annotate trunk/src/dil/lexer/Lexer.d @ 789:c1d5cfd7aa44

Implemented string literal conversion. Removed two MID messages. Added MSG.InvalidUTF8SequenceInString. Added toUTF16() and toUTF32(). Fixed escape sequences. Added formatBytes() and findInvalidUTF8Sequence().
author Aziz K?ksal <aziz.koeksal@gmail.com>
date Mon, 25 Feb 2008 02:56:22 +0100
parents 580d4ca9f1ff
children cf2ad5df025c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
8ba2570de175 Initial import.
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1 /++
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2 Author: Aziz Köksal
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32d354584b28 - Upgraded license notices to GPL3.
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3 License: GPL3
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4 +/
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0df647660e76 Moved Lexer.d to new package 'lexer'.
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5 module dil.lexer.Lexer;
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6
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39fac5531b85 Moved dil.Token to dil.lexer.Token.
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7 import dil.lexer.Token;
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c4cdea3a65ba Moved dil.Keywords to dil.lexer.Keywords.
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8 import dil.lexer.Keywords;
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041eae272362 Moved dil.Identifier to dil.lexer.Identifier.
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9 import dil.lexer.Identifier;
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9f96fd51cb41 Moved dil.IdTable to dil.lexer.IdTable.
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10 import dil.lexer.IdTable;
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11 import dil.Information;
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12 import dil.Messages;
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13 import dil.HtmlEntities;
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14 import dil.CompilerInfo;
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15 import dil.Unicode;
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16 import dil.SourceText;
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17 import dil.Time;
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18 import common;
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19
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20 import tango.stdc.stdlib : strtof, strtod, strtold;
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21 import tango.stdc.errno : errno, ERANGE;
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8ba2570de175 Initial import.
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22
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23 public import dil.lexer.Funcs;
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24
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25 /// The Lexer analyzes the characters of a source text and
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26 /// produces a doubly-linked list of tokens.
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27 class Lexer
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28 {
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29 SourceText srcText; /// The source text.
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30 char* p; /// Points to the current character in the source text.
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31 char* end; /// Points one character past the end of the source text.
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32
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33 Token* head; /// The head of the doubly linked token list.
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34 Token* tail; /// The tail of the linked list. Set in scan().
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35 Token* token; /// Points to the current token in the token list.
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36
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37 // Members used for error messages:
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38 InfoManager infoMan;
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39 LexerError[] errors;
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40 /// Always points to the first character of the current line.
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41 char* lineBegin;
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42 // Token* newline; /// Current newline token.
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43 uint lineNum = 1; /// Current, actual source text line number.
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44 uint lineNum_hline; /// Line number set by #line.
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45 uint inTokenString; /// > 0 if inside q{ }
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46 NewlineData.FilePaths* filePaths;
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47
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48 /// Construct a Lexer object.
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49 /// Params:
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50 /// srcText = the UTF-8 source code.
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51 /// infoMan = used for collecting error messages.
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52 this(SourceText srcText, InfoManager infoMan = null)
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53 {
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54 this.srcText = srcText;
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55 this.infoMan = infoMan;
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56
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57 assert(text.length && text[$-1] == 0, "source text has no sentinel character");
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58 this.p = text.ptr;
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59 this.end = this.p + text.length;
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60 this.lineBegin = this.p;
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61
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62 this.head = new Token;
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63 this.head.kind = TOK.HEAD;
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64 this.head.start = this.head.end = this.p;
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65 this.token = this.head;
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66 // Initialize this.filePaths.
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67 newFilePath(this.srcText.filePath);
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68 // Add a newline as the first token after the head.
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69 auto newline = new Token;
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70 newline.kind = TOK.Newline;
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71 newline.setWhitespaceFlag();
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72 newline.start = newline.end = this.p;
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73 newline.newline.filePaths = this.filePaths;
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74 newline.newline.oriLineNum = 1;
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75 newline.newline.setLineNum = 0;
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76 // Link in.
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77 this.token.next = newline;
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78 newline.prev = this.token;
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79 this.token = newline;
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80 // this.newline = newline;
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81 scanShebang();
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82 }
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83
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84 ~this()
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85 {
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86 auto token = head.next;
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87 while (token !is null)
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88 {
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89 assert(token.kind == TOK.EOF ? token == tail && token.next is null : 1);
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90 delete token.prev;
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91 token = token.next;
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92 }
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93 delete tail;
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94 }
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95
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96 char[] text()
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97 {
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98 return srcText.data;
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99 }
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100
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101 /// The "shebang" may optionally appear once at the beginning of a file.
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102 /// Regexp: #![^\EndOfLine]*
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103 void scanShebang()
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104 {
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105 if (*p == '#' && p[1] == '!')
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106 {
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107 auto t = new Token;
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108 t.kind = TOK.Shebang;
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109 t.setWhitespaceFlag();
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110 t.start = p;
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111 ++p;
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112 while (!isEndOfLine(++p))
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113 isascii(*p) || decodeUTF8();
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114 t.end = p;
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115 this.token.next = t;
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116 t.prev = this.token;
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117 }
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118 }
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119
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120 void finalizeSpecialToken(ref Token t)
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121 {
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122 assert(t.srcText[0..2] == "__");
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123 switch (t.kind)
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124 {
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125 case TOK.FILE:
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126 t.str = this.filePaths.setPath;
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127 break;
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128 case TOK.LINE:
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129 t.uint_ = this.errorLineNumber(this.lineNum);
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130 break;
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131 case TOK.DATE,
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132 TOK.TIME,
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133 TOK.TIMESTAMP:
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134 auto time_str = Time.toString();
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135 switch (t.kind)
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136 {
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137 case TOK.DATE:
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138 time_str = Time.month_day(time_str) ~ ' ' ~ Time.year(time_str); break;
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139 case TOK.TIME:
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140 time_str = Time.time(time_str); break;
343
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
141 case TOK.TIMESTAMP:
776
580d4ca9f1ff Added new module dil.Time.
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parents: 769
diff changeset
142 break; // time_str is the timestamp.
343
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
143 default: assert(0);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
144 }
776
580d4ca9f1ff Added new module dil.Time.
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parents: 769
diff changeset
145 time_str ~= '\0'; // Terminate with a zero.
343
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
146 t.str = time_str;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
147 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
148 case TOK.VENDOR:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
149 t.str = VENDOR;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
150 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
151 case TOK.VERSION:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
152 t.uint_ = VERSION_MAJOR*1000 + VERSION_MINOR;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
153 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
154 default:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
155 assert(0);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
156 }
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
157 }
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token.
aziz
parents: 327
diff changeset
158
607
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
159 /// Sets a new file path.
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
160 void newFilePath(char[] newPath)
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
161 {
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
162 auto paths = new NewlineData.FilePaths;
755
90668b83ae5e Introduced new module dil.SourceText and class SourceText.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 742
diff changeset
163 paths.oriPath = this.srcText.filePath;
607
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
164 paths.setPath = newPath;
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
165 this.filePaths = paths;
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parents: 601
diff changeset
166 }
2ed1e6d638cd Making use of struct NewlineData.
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parents: 601
diff changeset
167
485
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parents: 464
diff changeset
168 private void setLineBegin(char* p)
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
169 {
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
170 // Check that we can look behind one character.
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
171 assert((p-1) >= text.ptr && p < end);
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
172 // Check that previous character is a newline.
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
173 assert(isNewlineEnd(p - 1));
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
174 this.lineBegin = p;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
175 }
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
176
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
177 private void scanNext(ref Token* t)
419
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
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parents: 418
diff changeset
178 {
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
179 assert(t !is null);
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
180 if (t.next)
434
cac9c8d637ad Fix: members related to error info weren't updated correctly.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 433
diff changeset
181 {
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
182 t = t.next;
679
ff6971637f88 Renamed Token member type to kind.
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parents: 607
diff changeset
183 // if (t.kind == TOK.Newline)
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
184 // this.newline = t;
434
cac9c8d637ad Fix: members related to error info weren't updated correctly.
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parents: 433
diff changeset
185 }
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
186 else if (t != this.tail)
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
187 {
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
188 Token* new_t = new Token;
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
189 scan(*new_t);
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
190 new_t.prev = t;
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
191 t.next = new_t;
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
192 t = new_t;
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
193 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
194 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
195
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
196 /// Advance t one token forward.
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
197 void peek(ref Token* t)
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
198 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
199 scanNext(t);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
200 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
201
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
202 /// Advance to the next token in the source text.
422
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
203 TOK nextToken()
ad7977fe315a Added support for column numbers in error messages.
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parents: 420
diff changeset
204 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
205 scanNext(this.token);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
206 return this.token.kind;
419
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 418
diff changeset
207 }
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 418
diff changeset
208
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
209 /// Returns true if p points to the last character of a Newline.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
210 bool isNewlineEnd(char* p)
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
211 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
212 if (*p == '\n' || *p == '\r')
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
213 return true;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
214 if (*p == LS[2] || *p == PS[2])
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
215 if ((p-2) >= text.ptr)
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
216 if (p[-1] == LS[1] && p[-2] == LS[0])
434
cac9c8d637ad Fix: members related to error info weren't updated correctly.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 433
diff changeset
217 return true;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
218 return false;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
219 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
220
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
221 /++
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
222 This is the old scan method.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
223 TODO: profile old and new to see which one is faster.
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
224 +/
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
225 public void scan(ref Token t)
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
226 in
3
4bbce78bfb1e - Added TOK enum.
aziz
parents: 2
diff changeset
227 {
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
228 assert(text.ptr <= p && p < end);
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
229 }
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
230 out
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
231 {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
232 assert(text.ptr <= t.start && t.start < end, Token.toString(t.kind));
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
233 assert(text.ptr <= t.end && t.end <= end, Token.toString(t.kind));
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
234 }
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
235 body
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
236 {
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
237 // Scan whitespace.
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
238 if (isspace(*p))
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
239 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
240 t.ws = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
241 while (isspace(*++p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
242 {}
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
243 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
244
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
245 // Scan a token.
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
246 uint c = *p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
247 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
248 t.start = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
249 // Newline.
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
250 switch (*p)
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
251 {
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
252 case '\r':
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
253 if (p[1] == '\n')
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
254 ++p;
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
255 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
256 assert(isNewlineEnd(p));
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
257 ++p;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
258 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
259 setLineBegin(p);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
260 // this.newline = &t;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
261 t.kind = TOK.Newline;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
262 t.setWhitespaceFlag();
607
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
263 t.newline.filePaths = this.filePaths;
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
264 t.newline.oriLineNum = lineNum;
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
265 t.newline.setLineNum = lineNum_hline;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
266 t.end = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
267 return;
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
268 default:
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
269 if (isUnicodeNewline(p))
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
270 {
412
fb31af0fda73 Added struct Location, and token2LocTable to Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 411
diff changeset
271 ++p; ++p;
fb31af0fda73 Added struct Location, and token2LocTable to Lexer.
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parents: 411
diff changeset
272 goto case '\n';
390
4d36eea1bbc9 Refactored Lexer.scan().
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parents: 389
diff changeset
273 }
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
274 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
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parents: 464
diff changeset
275 // Identifier or string literal.
13
e5211758b63c - Added isidbeg() function.
aziz
parents: 12
diff changeset
276 if (isidbeg(c))
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
277 {
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
278 if (c == 'r' && p[1] == '"' && ++p)
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
279 return scanRawStringLiteral(t);
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
280 if (c == 'x' && p[1] == '"')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
281 return scanHexStringLiteral(t);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
282 version(D2)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
283 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
284 if (c == 'q' && p[1] == '"')
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
285 return scanDelimitedStringLiteral(t);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
286 if (c == 'q' && p[1] == '{')
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
287 return scanTokenStringLiteral(t);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
288 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
289 // Scan identifier.
12
0989206cf73c - Added code to decode Unicode characters in identifiers.
aziz
parents: 11
diff changeset
290 Lidentifier:
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
291 do
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
292 { c = *++p; }
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
293 while (isident(c) || !isascii(c) && isUnicodeAlpha())
28
3a9daccf7d96 - Added table for identifiers to Lexer.
aziz
parents: 27
diff changeset
294
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
295 t.end = p;
28
3a9daccf7d96 - Added table for identifiers to Lexer.
aziz
parents: 27
diff changeset
296
502
4e14cd1b24da Refactored code and added modules related to tabulated Identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 499
diff changeset
297 auto id = IdTable.lookup(t.srcText);
769
5e3ef1b2011c Added and improved documentation.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 764
diff changeset
298 t.kind = id.kind;
502
4e14cd1b24da Refactored code and added modules related to tabulated Identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 499
diff changeset
299 t.ident = id;
28
3a9daccf7d96 - Added table for identifiers to Lexer.
aziz
parents: 27
diff changeset
300
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
301 if (t.kind == TOK.Identifier || t.isKeyword)
411
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
302 return;
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
303 else if (t.isSpecialToken)
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
304 finalizeSpecialToken(t);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
305 else if (t.kind == TOK.EOF)
411
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
306 {
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
307 tail = &t;
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
308 assert(t.srcText == "__EOF__");
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
309 }
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
310 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
311 assert(0, "unexpected token type: " ~ Token.toString(t.kind));
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
312 return;
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
313 }
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
314
15
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
315 if (isdigit(c))
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
316 return scanNumber(t);
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
317
8
d4ba94a5a282 - Parsing /* */ comments now.
aziz
parents: 7
diff changeset
318 if (c == '/')
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
319 {
8
d4ba94a5a282 - Parsing /* */ comments now.
aziz
parents: 7
diff changeset
320 c = *++p;
14
cdf788d8bdaf - Parsing /= now.
aziz
parents: 13
diff changeset
321 switch(c)
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
322 {
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
323 case '=':
14
cdf788d8bdaf - Parsing /= now.
aziz
parents: 13
diff changeset
324 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
325 t.kind = TOK.DivAssign;
14
cdf788d8bdaf - Parsing /= now.
aziz
parents: 13
diff changeset
326 t.end = p;
cdf788d8bdaf - Parsing /= now.
aziz
parents: 13
diff changeset
327 return;
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
328 case '+':
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
329 return scanNestedComment(t);
32
d7011daa4740 - Added missing commas after the items in the messages table.
aziz
parents: 31
diff changeset
330 case '*':
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
331 return scanBlockComment(t);
32
d7011daa4740 - Added missing commas after the items in the messages table.
aziz
parents: 31
diff changeset
332 case '/':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
333 while (!isEndOfLine(++p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
334 isascii(*p) || decodeUTF8();
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
335 t.kind = TOK.Comment;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
336 t.setWhitespaceFlag();
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
337 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
338 return;
32
d7011daa4740 - Added missing commas after the items in the messages table.
aziz
parents: 31
diff changeset
339 default:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
340 t.kind = TOK.Div;
10
3ee65d6e39c9 - Parsing // comments now.
aziz
parents: 9
diff changeset
341 t.end = p;
3ee65d6e39c9 - Parsing // comments now.
aziz
parents: 9
diff changeset
342 return;
3ee65d6e39c9 - Parsing // comments now.
aziz
parents: 9
diff changeset
343 }
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
344 }
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
345
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
346 switch (c)
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
347 {
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
348 case '\'':
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
349 return scanCharacterLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
350 case '`':
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
351 return scanRawStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
352 case '"':
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
353 return scanNormalStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
354 case '\\':
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
355 char[] buffer;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
356 do
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
357 {
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
358 bool isBinary;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
359 c = scanEscapeSequence(isBinary);
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
360 if (isascii(c) || isBinary)
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
361 buffer ~= c;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
362 else
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
363 encodeUTF8(buffer, c);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
364 } while (*p == '\\')
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
365 buffer ~= 0;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
366 t.kind = TOK.String;
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
367 t.str = buffer;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
368 t.end = p;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
369 return;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
370 case '>': /* > >= >> >>= >>> >>>= */
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
371 c = *++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
372 switch (c)
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
373 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
374 case '=':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
375 t.kind = TOK.GreaterEqual;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
376 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
377 case '>':
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
378 if (p[1] == '>')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
379 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
380 ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
381 if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
382 { ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
383 t.kind = TOK.URShiftAssign;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
384 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
385 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
386 t.kind = TOK.URShift;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
387 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
388 else if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
389 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
390 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
391 t.kind = TOK.RShiftAssign;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
392 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
393 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
394 t.kind = TOK.RShift;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
395 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
396 default:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
397 t.kind = TOK.Greater;
38
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
398 goto Lcommon2;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
399 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens.
aziz
parents: 37
diff changeset
400 assert(0);
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
401 case '<': /* < <= <> <>= << <<= */
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
402 c = *++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
403 switch (c)
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
404 {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
405 case '=':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
406 t.kind = TOK.LessEqual;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
407 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
408 case '<':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
409 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
410 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
411 t.kind = TOK.LShiftAssign;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
412 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
413 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
414 t.kind = TOK.LShift;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
415 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
416 case '>':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
417 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
418 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
419 t.kind = TOK.LorEorG;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
420 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
421 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
422 t.kind = TOK.LorG;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
423 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
424 default:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
425 t.kind = TOK.Less;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
426 goto Lcommon2;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
427 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
428 assert(0);
37
7f3bcb97d017 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 36
diff changeset
429 case '!': /* ! !< !> !<= !>= !<> !<>= */
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
430 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
431 switch (c)
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
432 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
433 case '<':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
434 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
435 if (c == '>')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
436 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
437 if (p[1] == '=') {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
438 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
439 t.kind = TOK.Unordered;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
440 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
441 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
442 t.kind = TOK.UorE;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
443 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
444 else if (c == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
445 {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
446 t.kind = TOK.UorG;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
447 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
448 else {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
449 t.kind = TOK.UorGorE;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
450 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
451 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
452 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
453 case '>':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
454 if (p[1] == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
455 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
456 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
457 t.kind = TOK.UorL;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
458 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
459 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
460 t.kind = TOK.UorLorE;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
461 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
462 case '=':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
463 t.kind = TOK.NotEqual;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
464 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
465 default:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
466 t.kind = TOK.Not;
35
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
467 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
468 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens.
aziz
parents: 34
diff changeset
469 assert(0);
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
470 case '.': /* . .[0-9] .. ... */
22
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
471 if (p[1] == '.')
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
472 {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
473 ++p;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
474 if (p[1] == '.') {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
475 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
476 t.kind = TOK.Ellipses;
22
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
477 }
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
478 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
479 t.kind = TOK.Slice;
22
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
480 }
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
481 else if (isdigit(p[1]))
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
482 {
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
483 return scanReal(t);
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
484 }
22
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
485 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
486 t.kind = TOK.Dot;
22
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens.
aziz
parents: 21
diff changeset
487 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
488 case '|': /* | || |= */
23
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens.
aziz
parents: 22
diff changeset
489 c = *++p;
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens.
aziz
parents: 22
diff changeset
490 if (c == '=')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
491 t.kind = TOK.OrAssign;
23
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens.
aziz
parents: 22
diff changeset
492 else if (c == '|')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
493 t.kind = TOK.OrLogical;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
494 else {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
495 t.kind = TOK.OrBinary;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
496 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
497 }
23
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens.
aziz
parents: 22
diff changeset
498 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
499 case '&': /* & && &= */
24
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens.
aziz
parents: 23
diff changeset
500 c = *++p;
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens.
aziz
parents: 23
diff changeset
501 if (c == '=')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
502 t.kind = TOK.AndAssign;
24
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens.
aziz
parents: 23
diff changeset
503 else if (c == '&')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
504 t.kind = TOK.AndLogical;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
505 else {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
506 t.kind = TOK.AndBinary;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
507 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
508 }
24
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens.
aziz
parents: 23
diff changeset
509 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
510 case '+': /* + ++ += */
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
511 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
512 if (c == '=')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
513 t.kind = TOK.PlusAssign;
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
514 else if (c == '+')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
515 t.kind = TOK.PlusPlus;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
516 else {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
517 t.kind = TOK.Plus;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
518 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
519 }
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
520 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
521 case '-': /* - -- -= */
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
522 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
523 if (c == '=')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
524 t.kind = TOK.MinusAssign;
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
525 else if (c == '-')
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
526 t.kind = TOK.MinusMinus;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
527 else {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
528 t.kind = TOK.Minus;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
529 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
530 }
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
531 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
532 case '=': /* = == */
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
533 if (p[1] == '=') {
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
534 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
535 t.kind = TOK.Equal;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
536 }
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
537 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
538 t.kind = TOK.Assign;
25
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens.
aziz
parents: 24
diff changeset
539 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
540 case '~': /* ~ ~= */
27
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens.
aziz
parents: 26
diff changeset
541 if (p[1] == '=') {
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens.
aziz
parents: 26
diff changeset
542 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
543 t.kind = TOK.CatAssign;
27
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens.
aziz
parents: 26
diff changeset
544 }
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens.
aziz
parents: 26
diff changeset
545 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
546 t.kind = TOK.Tilde;
27
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens.
aziz
parents: 26
diff changeset
547 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
548 case '*': /* * *= */
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
549 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
550 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
551 t.kind = TOK.MulAssign;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
552 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
553 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
554 t.kind = TOK.Mul;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
555 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
556 case '^': /* ^ ^= */
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
557 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
558 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
559 t.kind = TOK.XorAssign;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
560 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
561 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
562 t.kind = TOK.Xor;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
563 goto Lcommon;
36
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens.
aziz
parents: 35
diff changeset
564 case '%': /* % %= */
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
565 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
566 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
567 t.kind = TOK.ModAssign;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
568 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
569 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
570 t.kind = TOK.Mod;
29
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
571 goto Lcommon;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens.
aziz
parents: 28
diff changeset
572 // Single character tokens:
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
573 case '(':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
574 t.kind = TOK.LParen;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
575 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
576 case ')':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
577 t.kind = TOK.RParen;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
578 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
579 case '[':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
580 t.kind = TOK.LBracket;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
581 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
582 case ']':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
583 t.kind = TOK.RBracket;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
584 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
585 case '{':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
586 t.kind = TOK.LBrace;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
587 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
588 case '}':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
589 t.kind = TOK.RBrace;
21
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
590 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
591 case ':':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
592 t.kind = TOK.Colon;
21
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
593 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
594 case ';':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
595 t.kind = TOK.Semicolon;
21
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
596 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
597 case '?':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
598 t.kind = TOK.Question;
21
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
599 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
600 case ',':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
601 t.kind = TOK.Comma;
21
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
602 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar.
aziz
parents: 20
diff changeset
603 case '$':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
604 t.kind = TOK.Dollar;
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
605 Lcommon:
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
606 ++p;
26
c3d7373db241 - Added code for parsing Assign and Equal tokens.
aziz
parents: 25
diff changeset
607 Lcommon2:
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
608 t.end = p;
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
609 return;
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
610 case '#':
360
b6a3755eba94 - Renamed scanSpecialToken() to scanSpecialTokenSequence().
aziz
parents: 350
diff changeset
611 return scanSpecialTokenSequence(t);
20
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
612 default:
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
613 }
d6adfbd7c513 - Added code for parsing braces.
aziz
parents: 19
diff changeset
614
411
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
615 // Check for EOF
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
616 if (isEOF(c))
411
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
617 {
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
618 assert(isEOF(*p), ""~*p);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
619 t.kind = TOK.EOF;
411
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
620 t.end = p;
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
621 tail = &t;
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
622 assert(t.start == t.end);
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
623 return;
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
624 }
cca83c0c00fd Added __EOF__ token.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 410
diff changeset
625
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
626 if (!isascii(c))
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
627 {
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
628 c = decodeUTF8();
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
629 if (isUniAlpha(c))
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
630 goto Lidentifier;
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
631 }
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
632
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
633 error(t.start, MID.IllegalCharacter, cast(dchar)c);
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
634
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
635 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
636 t.kind = TOK.Illegal;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
637 t.setWhitespaceFlag();
390
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
638 t.dchar_ = c;
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
639 t.end = p;
4d36eea1bbc9 Refactored Lexer.scan().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 389
diff changeset
640 return;
4
92df59b1ec4a - Started implementation of scan().
aziz
parents: 3
diff changeset
641 }
3
4bbce78bfb1e - Added TOK enum.
aziz
parents: 2
diff changeset
642 }
4
92df59b1ec4a - Started implementation of scan().
aziz
parents: 3
diff changeset
643
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
644 template toUint(char[] T)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
645 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
646 static assert(0 < T.length && T.length <= 4);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
647 static if (T.length == 1)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
648 const uint toUint = T[0];
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
649 else
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
650 const uint toUint = (T[0] << ((T.length-1)*8)) | toUint!(T[1..$]);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
651 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
652 static assert(toUint!("\xAA\xBB\xCC\xDD") == 0xAABBCCDD);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
653
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
654 // Can't use this yet due to a bug in DMD (bug id=1534).
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
655 template case_(char[] str, TOK tok, char[] label)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
656 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
657 const char[] case_ =
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
658 `case `~toUint!(str).stringof~`:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
659
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
660 goto `~label~`;`;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
661 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
662
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
663 template case_L4(char[] str, TOK tok)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
664 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
665 const char[] case_L4 = case_!(str, tok, "Lcommon_4");
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
666 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
667
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
668 template case_L3(char[] str, TOK tok)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
669 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
670 const char[] case_L3 = case_!(str, tok, "Lcommon_3");
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
671 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
672
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
673 template case_L2(char[] str, TOK tok)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
674 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
675 const char[] case_L2 = case_!(str, tok, "Lcommon_2");
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
676 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
677
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
678 template case_L1(char[] str, TOK tok)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
679 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
680 const char[] case_L3 = case_!(str, tok, "Lcommon");
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
681 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
682
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
683 public void scan_(ref Token t)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
684 in
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
685 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
686 assert(text.ptr <= p && p < end);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
687 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
688 out
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
689 {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
690 assert(text.ptr <= t.start && t.start < end, Token.toString(t.kind));
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
691 assert(text.ptr <= t.end && t.end <= end, Token.toString(t.kind));
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
692 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
693 body
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
694 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
695 // Scan whitespace.
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
696 if (isspace(*p))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
697 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
698 t.ws = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
699 while (isspace(*++p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
700 {}
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
701 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
702
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
703 // Scan a token.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
704 t.start = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
705 // Newline.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
706 switch (*p)
418
7354f15cd5e9 Applied some fixes to the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 416
diff changeset
707 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
708 case '\r':
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
709 if (p[1] == '\n')
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
710 ++p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
711 case '\n':
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
712 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
713 ++p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
714 ++lineNum;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
715 setLineBegin(p);
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
716 // this.newline = &t;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
717 t.kind = TOK.Newline;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
718 t.setWhitespaceFlag();
607
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
719 t.newline.filePaths = this.filePaths;
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
720 t.newline.oriLineNum = lineNum;
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
721 t.newline.setLineNum = lineNum_hline;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
722 t.end = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
723 return;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
724 default:
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
725 if (isUnicodeNewline(p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
726 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
727 ++p; ++p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
728 goto case '\n';
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
729 }
418
7354f15cd5e9 Applied some fixes to the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 416
diff changeset
730 }
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
731
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
732 uint c = *p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
733 assert(end - p != 0);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
734 switch (end - p)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
735 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
736 case 1:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
737 goto L1character;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
738 case 2:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
739 c <<= 8; c |= p[1];
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
740 goto L2characters;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
741 case 3:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
742 c <<= 8; c |= p[1]; c <<= 8; c |= p[2];
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
743 goto L3characters;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
744 default:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
745 version(BigEndian)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
746 c = *cast(uint*)p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
747 else
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
748 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
749 c <<= 8; c |= p[1]; c <<= 8; c |= p[2]; c <<= 8; c |= p[3];
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
750 /+
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
751 c = *cast(uint*)p;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
752 asm
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
753 {
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
754 mov EDX, c;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
755 bswap EDX;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
756 mov c, EDX;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
757 }
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
758 +/
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
759 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
760 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
761
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
762 // 4 character tokens.
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
763 switch (c)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
764 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
765 case toUint!(">>>="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
766 t.kind = TOK.RShiftAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
767 goto Lcommon_4;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
768 case toUint!("!<>="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
769 t.kind = TOK.Unordered;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
770 Lcommon_4:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
771 p += 4;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
772 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
773 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
774 default:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
775 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
776
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
777 c >>>= 8;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
778 L3characters:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
779 assert(p == t.start);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
780 // 3 character tokens.
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
781 switch (c)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
782 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
783 case toUint!(">>="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
784 t.kind = TOK.RShiftAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
785 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
786 case toUint!(">>>"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
787 t.kind = TOK.URShift;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
788 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
789 case toUint!("<>="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
790 t.kind = TOK.LorEorG;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
791 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
792 case toUint!("<<="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
793 t.kind = TOK.LShiftAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
794 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
795 case toUint!("!<="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
796 t.kind = TOK.UorG;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
797 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
798 case toUint!("!>="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
799 t.kind = TOK.UorL;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
800 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
801 case toUint!("!<>"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
802 t.kind = TOK.UorE;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
803 goto Lcommon_3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
804 case toUint!("..."):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
805 t.kind = TOK.Ellipses;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
806 Lcommon_3:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
807 p += 3;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
808 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
809 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
810 default:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
811 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
812
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
813 c >>>= 8;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
814 L2characters:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
815 assert(p == t.start);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
816 // 2 character tokens.
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
817 switch (c)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
818 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
819 case toUint!("/+"):
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
820 ++p; // Skip /
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
821 return scanNestedComment(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
822 case toUint!("/*"):
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
823 ++p; // Skip /
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
824 return scanBlockComment(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
825 case toUint!("//"):
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
826 ++p; // Skip /
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
827 assert(*p == '/');
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
828 while (!isEndOfLine(++p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
829 isascii(*p) || decodeUTF8();
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
830 t.kind = TOK.Comment;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
831 t.setWhitespaceFlag();
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
832 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
833 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
834 case toUint!(">="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
835 t.kind = TOK.GreaterEqual;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
836 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
837 case toUint!(">>"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
838 t.kind = TOK.RShift;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
839 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
840 case toUint!("<<"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
841 t.kind = TOK.LShift;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
842 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
843 case toUint!("<="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
844 t.kind = TOK.LessEqual;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
845 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
846 case toUint!("<>"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
847 t.kind = TOK.LorG;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
848 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
849 case toUint!("!<"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
850 t.kind = TOK.UorGorE;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
851 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
852 case toUint!("!>"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
853 t.kind = TOK.UorLorE;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
854 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
855 case toUint!("!="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
856 t.kind = TOK.NotEqual;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
857 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
858 case toUint!(".."):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
859 t.kind = TOK.Slice;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
860 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
861 case toUint!("&&"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
862 t.kind = TOK.AndLogical;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
863 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
864 case toUint!("&="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
865 t.kind = TOK.AndAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
866 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
867 case toUint!("||"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
868 t.kind = TOK.OrLogical;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
869 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
870 case toUint!("|="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
871 t.kind = TOK.OrAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
872 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
873 case toUint!("++"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
874 t.kind = TOK.PlusPlus;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
875 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
876 case toUint!("+="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
877 t.kind = TOK.PlusAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
878 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
879 case toUint!("--"):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
880 t.kind = TOK.MinusMinus;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
881 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
882 case toUint!("-="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
883 t.kind = TOK.MinusAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
884 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
885 case toUint!("=="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
886 t.kind = TOK.Equal;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
887 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
888 case toUint!("~="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
889 t.kind = TOK.CatAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
890 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
891 case toUint!("*="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
892 t.kind = TOK.MulAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
893 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
894 case toUint!("/="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
895 t.kind = TOK.DivAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
896 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
897 case toUint!("^="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
898 t.kind = TOK.XorAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
899 goto Lcommon_2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
900 case toUint!("%="):
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
901 t.kind = TOK.ModAssign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
902 Lcommon_2:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
903 p += 2;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
904 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
905 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
906 default:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
907 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
908
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
909 c >>>= 8;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
910 L1character:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
911 assert(p == t.start);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
912 assert(*p == c, Format("p={0},c={1}", *p, cast(dchar)c));
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
913 // 1 character tokens.
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
914 // TODO: consider storing the token type in ptable.
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
915 switch (c)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
916 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
917 case '\'':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
918 return scanCharacterLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
919 case '`':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
920 return scanRawStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
921 case '"':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
922 return scanNormalStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
923 case '\\':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
924 char[] buffer;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
925 do
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
926 {
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
927 bool isBinary;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
928 c = scanEscapeSequence(isBinary);
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
929 if (isascii(c) || isBinary)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
930 buffer ~= c;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
931 else
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
932 encodeUTF8(buffer, c);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
933 } while (*p == '\\')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
934 buffer ~= 0;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
935 t.kind = TOK.String;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
936 t.str = buffer;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
937 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
938 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
939 case '<':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
940 t.kind = TOK.Greater;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
941 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
942 case '>':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
943 t.kind = TOK.Less;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
944 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
945 case '^':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
946 t.kind = TOK.Xor;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
947 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
948 case '!':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
949 t.kind = TOK.Not;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
950 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
951 case '.':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
952 if (isdigit(p[1]))
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
953 return scanReal(t);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
954 t.kind = TOK.Dot;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
955 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
956 case '&':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
957 t.kind = TOK.AndBinary;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
958 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
959 case '|':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
960 t.kind = TOK.OrBinary;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
961 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
962 case '+':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
963 t.kind = TOK.Plus;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
964 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
965 case '-':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
966 t.kind = TOK.Minus;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
967 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
968 case '=':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
969 t.kind = TOK.Assign;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
970 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
971 case '~':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
972 t.kind = TOK.Tilde;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
973 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
974 case '*':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
975 t.kind = TOK.Mul;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
976 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
977 case '/':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
978 t.kind = TOK.Div;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
979 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
980 case '%':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
981 t.kind = TOK.Mod;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
982 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
983 case '(':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
984 t.kind = TOK.LParen;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
985 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
986 case ')':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
987 t.kind = TOK.RParen;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
988 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
989 case '[':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
990 t.kind = TOK.LBracket;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
991 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
992 case ']':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
993 t.kind = TOK.RBracket;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
994 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
995 case '{':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
996 t.kind = TOK.LBrace;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
997 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
998 case '}':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
999 t.kind = TOK.RBrace;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1000 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1001 case ':':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1002 t.kind = TOK.Colon;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1003 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1004 case ';':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1005 t.kind = TOK.Semicolon;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1006 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1007 case '?':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1008 t.kind = TOK.Question;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1009 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1010 case ',':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1011 t.kind = TOK.Comma;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1012 goto Lcommon;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1013 case '$':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1014 t.kind = TOK.Dollar;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1015 Lcommon:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1016 ++p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1017 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1018 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1019 case '#':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1020 return scanSpecialTokenSequence(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1021 default:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1022 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1023
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1024 assert(p == t.start);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1025 assert(*p == c);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1026
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1027 // TODO: consider moving isidbeg() and isdigit() up.
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1028 if (isidbeg(c))
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1029 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1030 if (c == 'r' && p[1] == '"' && ++p)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1031 return scanRawStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1032 if (c == 'x' && p[1] == '"')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1033 return scanHexStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1034 version(D2)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1035 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1036 if (c == 'q' && p[1] == '"')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1037 return scanDelimitedStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1038 if (c == 'q' && p[1] == '{')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1039 return scanTokenStringLiteral(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1040 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1041 // Scan identifier.
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1042 Lidentifier:
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1043 do
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1044 { c = *++p; }
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
1045 while (isident(c) || !isascii(c) && isUnicodeAlpha())
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1046
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1047 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1048
502
4e14cd1b24da Refactored code and added modules related to tabulated Identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 499
diff changeset
1049 auto id = IdTable.lookup(t.srcText);
769
5e3ef1b2011c Added and improved documentation.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 764
diff changeset
1050 t.kind = id.kind;
502
4e14cd1b24da Refactored code and added modules related to tabulated Identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 499
diff changeset
1051 t.ident = id;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1052
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1053 if (t.kind == TOK.Identifier || t.isKeyword)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1054 return;
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
1055 else if (t.isSpecialToken)
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
1056 finalizeSpecialToken(t);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1057 else if (t.kind == TOK.EOF)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1058 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1059 tail = &t;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1060 assert(t.srcText == "__EOF__");
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1061 }
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
1062 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1063 assert(0, "unexpected token type: " ~ Token.toString(t.kind));
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1064 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1065 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1066
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1067 if (isdigit(c))
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1068 return scanNumber(t);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1069
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1070 // Check for EOF
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
1071 if (isEOF(c))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1072 {
497
0ffcc4ff82f3 Refactored a few things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 496
diff changeset
1073 assert(isEOF(*p), *p~"");
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1074 t.kind = TOK.EOF;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1075 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1076 tail = &t;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1077 assert(t.start == t.end);
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1078 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1079 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1080
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1081 if (!isascii(c))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1082 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1083 c = decodeUTF8();
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1084 if (isUniAlpha(c))
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1085 goto Lidentifier;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1086 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1087
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1088 error(t.start, MID.IllegalCharacter, cast(dchar)c);
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1089
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1090 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1091 t.kind = TOK.Illegal;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
1092 t.setWhitespaceFlag();
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1093 t.dchar_ = c;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1094 t.end = p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1095 return;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1096 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1097
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1098 void scanBlockComment(ref Token t)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1099 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1100 assert(p[-1] == '/' && *p == '*');
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1101 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1102 auto tokenLineBegin = lineBegin;
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1103 Loop:
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1104 while (1)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1105 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1106 switch (*++p)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1107 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1108 case '*':
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1109 if (p[1] != '/')
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1110 continue;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1111 p += 2;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1112 break Loop;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1113 case '\r':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1114 if (p[1] == '\n')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1115 ++p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1116 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1117 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1118 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1119 setLineBegin(p+1);
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1120 break;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1121 default:
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1122 if (!isascii(*p))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1123 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1124 if (isUnicodeNewlineChar(decodeUTF8()))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1125 goto case '\n';
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1126 }
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1127 else if (isEOF(*p))
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1128 {
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1129 error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedBlockComment);
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1130 break Loop;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1131 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1132 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1133 }
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1134 t.kind = TOK.Comment;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
1135 t.setWhitespaceFlag();
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1136 t.end = p;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1137 return;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1138 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1139
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1140 void scanNestedComment(ref Token t)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1141 {
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1142 assert(p[-1] == '/' && *p == '+');
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1143 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1144 auto tokenLineBegin = lineBegin;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1145 uint level = 1;
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1146 Loop:
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1147 while (1)
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1148 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1149 switch (*++p)
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1150 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1151 case '/':
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1152 if (p[1] == '+')
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1153 ++p, ++level;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1154 continue;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1155 case '+':
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1156 if (p[1] != '/')
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1157 continue;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1158 ++p;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1159 if (--level != 0)
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1160 continue;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1161 ++p;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1162 break Loop;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1163 case '\r':
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1164 if (p[1] == '\n')
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1165 ++p;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1166 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1167 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1168 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1169 setLineBegin(p+1);
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1170 continue;
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1171 default:
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1172 if (!isascii(*p))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1173 {
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1174 if (isUnicodeNewlineChar(decodeUTF8()))
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1175 goto case '\n';
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1176 }
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1177 else if (isEOF(*p))
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1178 {
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1179 error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedNestedComment);
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1180 break Loop;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1181 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1182 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1183 }
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1184 t.kind = TOK.Comment;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
1185 t.setWhitespaceFlag();
498
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1186 t.end = p;
49c201b5c465 Refactored scanners for block and nested comments.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 497
diff changeset
1187 return;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1188 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
1189
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1190 char scanPostfix()
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1191 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1192 assert(p[-1] == '"' || p[-1] == '`' ||
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1193 { version(D2) return p[-1] == '}';
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1194 else return 0; }()
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1195 );
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1196 switch (*p)
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1197 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1198 case 'c':
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1199 case 'w':
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1200 case 'd':
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1201 return *p++;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1202 default:
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1203 return 0;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1204 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1205 assert(0);
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1206 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1207
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1208 void scanNormalStringLiteral(ref Token t)
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1209 {
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1210 assert(*p == '"');
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1211 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1212 auto tokenLineBegin = lineBegin;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1213 t.kind = TOK.String;
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1214 char[] buffer;
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1215 uint c;
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1216 while (1)
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1217 {
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1218 c = *++p;
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1219 switch (c)
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1220 {
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1221 case '"':
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1222 ++p;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1223 t.pf = scanPostfix();
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1224 Lreturn:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1225 t.str = buffer ~ '\0';
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1226 t.end = p;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1227 return;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1228 case '\\':
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1229 bool isBinary;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1230 c = scanEscapeSequence(isBinary);
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1231 --p;
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1232 if (isascii(c) || isBinary)
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1233 buffer ~= c;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1234 else
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1235 encodeUTF8(buffer, c);
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1236 continue;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1237 case '\r':
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1238 if (p[1] == '\n')
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1239 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1240 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1241 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1242 c = '\n'; // Convert Newline to \n.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1243 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1244 setLineBegin(p+1);
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1245 break;
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1246 case 0, _Z_:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1247 error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedString);
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1248 goto Lreturn;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1249 default:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1250 if (!isascii(c))
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1251 {
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1252 c = decodeUTF8();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1253 if (isUnicodeNewlineChar(c))
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1254 goto case '\n';
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1255 encodeUTF8(buffer, c);
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1256 continue;
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1257 }
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1258 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1259 assert(isascii(c));
384
f7ce725e79c3 Refactored scanNormalStringLiteral().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 383
diff changeset
1260 buffer ~= c;
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1261 }
67
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
1262 assert(0);
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1263 }
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
1264
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1265 void scanCharacterLiteral(ref Token t)
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1266 {
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1267 assert(*p == '\'');
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1268 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1269 t.kind = TOK.CharLiteral;
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1270 switch (*p)
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1271 {
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1272 case '\\':
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1273 bool notused;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1274 t.dchar_ = scanEscapeSequence(notused);
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1275 break;
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1276 case '\'':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1277 error(t.start, MID.EmptyCharacterLiteral);
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1278 break;
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1279 default:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1280 if (isEndOfLine(p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1281 break;
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1282 uint c = *p;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1283 if (!isascii(c))
49
7f0fa15dcffc - Renamed function.
aziz
parents: 48
diff changeset
1284 c = decodeUTF8();
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1285 t.dchar_ = c;
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1286 ++p;
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1287 }
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1288
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1289 if (*p == '\'')
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1290 ++p;
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1291 else
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1292 error(t.start, MID.UnterminatedCharacterLiteral);
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1293 t.end = p;
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1294 }
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
1295
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1296 void scanRawStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1297 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1298 assert(*p == '`' || *p == '"' && p[-1] == 'r');
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1299 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1300 auto tokenLineBegin = lineBegin;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1301 t.kind = TOK.String;
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1302 uint delim = *p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1303 char[] buffer;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1304 uint c;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1305 while (1)
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1306 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1307 c = *++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1308 switch (c)
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1309 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1310 case '\r':
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1311 if (p[1] == '\n')
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1312 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1313 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1314 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1315 c = '\n'; // Convert Newline to '\n'.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1316 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1317 setLineBegin(p+1);
52
f65a83c27638 - Fixed the raw string literal scanner. Newlines weren't copied to the buffer. Converting LS and PS to '\n' as well.
aziz
parents: 51
diff changeset
1318 break;
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1319 case '`':
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1320 case '"':
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1321 if (c == delim)
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1322 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1323 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1324 t.pf = scanPostfix();
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1325 Lreturn:
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1326 t.str = buffer ~ '\0';
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1327 t.end = p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1328 return;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1329 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1330 break;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1331 case 0, _Z_:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1332 error(tokenLineNum, tokenLineBegin, t.start,
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1333 delim == 'r' ? MID.UnterminatedRawString : MID.UnterminatedBackQuoteString);
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1334 goto Lreturn;
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1335 default:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1336 if (!isascii(c))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1337 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1338 c = decodeUTF8();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1339 if (isUnicodeNewlineChar(c))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1340 goto case '\n';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1341 encodeUTF8(buffer, c);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1342 continue;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1343 }
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1344 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1345 assert(isascii(c));
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1346 buffer ~= c;
33
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1347 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings.
aziz
parents: 32
diff changeset
1348 assert(0);
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1349 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1350
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1351 void scanHexStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1352 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1353 assert(p[0] == 'x' && p[1] == '"');
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1354 t.kind = TOK.String;
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1355
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1356 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1357 auto tokenLineBegin = lineBegin;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1358
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1359 uint c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1360 ubyte[] buffer;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1361 ubyte h; // hex number
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1362 uint n; // number of hex digits
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1363
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1364 ++p;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1365 assert(*p == '"');
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1366 while (1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1367 {
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1368 c = *++p;
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1369 switch (c)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1370 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1371 case '"':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1372 if (n & 1)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1373 error(tokenLineNum, tokenLineBegin, t.start, MID.OddNumberOfDigitsInHexString);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1374 ++p;
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1375 t.pf = scanPostfix();
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1376 Lreturn:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1377 t.str = cast(string) (buffer ~= 0);
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1378 t.end = p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1379 return;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1380 case '\r':
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1381 if (p[1] == '\n')
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1382 ++p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1383 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1384 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1385 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1386 setLineBegin(p+1);
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1387 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1388 default:
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1389 if (ishexad(c))
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1390 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1391 if (c <= '9')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1392 c -= '0';
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1393 else if (c <= 'F')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1394 c -= 'A' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1395 else
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1396 c -= 'a' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1397
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1398 if (n & 1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1399 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1400 h <<= 4;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1401 h |= c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1402 buffer ~= h;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1403 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1404 else
112
004d98df65af - Implemented parseInterfaceDeclaration().
aziz
parents: 105
diff changeset
1405 h = cast(ubyte)c;
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1406 ++n;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1407 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1408 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1409 else if (isspace(c))
419
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 418
diff changeset
1410 continue; // Skip spaces.
496
5a607597dc22 Improved error recovery in the Parser.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 494
diff changeset
1411 else if (isEOF(c))
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1412 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1413 error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedHexString);
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1414 t.pf = 0;
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1415 goto Lreturn;
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1416 }
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1417 else
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1418 {
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1419 auto errorAt = p;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1420 if (!isascii(c))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1421 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1422 c = decodeUTF8();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1423 if (isUnicodeNewlineChar(c))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1424 goto case '\n';
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1425 }
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1426 error(errorAt, MID.NonHexCharInHexString, cast(dchar)c);
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1427 }
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1428 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1429 }
53
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom.
aziz
parents: 52
diff changeset
1430 assert(0);
31
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1431 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix.
aziz
parents: 30
diff changeset
1432
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1433 version(D2)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1434 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1435 void scanDelimitedStringLiteral(ref Token t)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1436 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1437 assert(p[0] == 'q' && p[1] == '"');
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1438 t.kind = TOK.String;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1439
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1440 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1441 auto tokenLineBegin = lineBegin;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1442
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1443 char[] buffer;
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1444 dchar opening_delim = 0, // 0 if no nested delimiter or '[', '(', '<', '{'
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1445 closing_delim; // Will be ']', ')', '>', '},
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1446 // the first character of an identifier or
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1447 // any other Unicode/ASCII character.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1448 char[] str_delim; // Identifier delimiter.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1449 uint level = 1; // Counter for nestable delimiters.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1450
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1451 ++p; ++p; // Skip q"
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1452 uint c = *p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1453 switch (c)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1454 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1455 case '(':
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1456 opening_delim = c;
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1457 closing_delim = ')'; // c + 1
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1458 break;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1459 case '[', '<', '{':
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1460 opening_delim = c;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1461 closing_delim = c + 2; // Get to closing counterpart. Feature of ASCII table.
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1462 break;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1463 default:
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1464 dchar scanNewline()
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1465 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1466 switch (*p)
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1467 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1468 case '\r':
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1469 if (p[1] == '\n')
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1470 ++p;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1471 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1472 assert(isNewlineEnd(p));
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1473 ++p;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1474 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1475 setLineBegin(p);
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1476 return '\n';
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1477 default:
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1478 if (isUnicodeNewline(p))
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1479 {
419
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 418
diff changeset
1480 ++p; ++p;
89e40d43065d Added new member 'p_newl' to Lexer and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 418
diff changeset
1481 goto case '\n';
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1482 }
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1483 }
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1484 return 0;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1485 }
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1486 // Skip leading newlines:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1487 while (scanNewline() != 0)
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1488 {}
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1489 assert(!isNewline(p));
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1490
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1491 char* begin = p;
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1492 c = *p;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1493 closing_delim = c;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1494 // TODO: Check for non-printable characters?
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1495 if (!isascii(c))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1496 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1497 closing_delim = decodeUTF8();
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1498 if (!isUniAlpha(closing_delim))
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1499 break; // Not an identifier.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1500 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1501 else if (!isidbeg(c))
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1502 break; // Not an identifier.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1503
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1504 // Parse Identifier + EndOfLine
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1505 do
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1506 { c = *++p; }
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
1507 while (isident(c) || !isascii(c) && isUnicodeAlpha())
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1508 // Store identifier
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1509 str_delim = begin[0..p-begin];
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1510 // Scan newline
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1511 if (scanNewline() == '\n')
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1512 --p; // Go back one because of "c = *++p;" in main loop.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1513 else
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1514 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1515 // TODO: error(p, MID.ExpectedNewlineAfterIdentDelim);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1516 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1517 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1518
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1519 bool checkStringDelim(char* p)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1520 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1521 assert(str_delim.length != 0);
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1522 if (buffer[$-1] == '\n' && // Last character copied to buffer must be '\n'.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1523 end-p >= str_delim.length && // Check remaining length.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1524 p[0..str_delim.length] == str_delim) // Compare.
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1525 return true;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1526 return false;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1527 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1528
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1529 while (1)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1530 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1531 c = *++p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1532 switch (c)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1533 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1534 case '\r':
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1535 if (p[1] == '\n')
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1536 ++p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1537 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1538 assert(isNewlineEnd(p));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1539 c = '\n'; // Convert Newline to '\n'.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1540 ++lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1541 setLineBegin(p+1);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1542 break;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1543 case 0, _Z_:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1544 // TODO: error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedDelimitedString);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1545 goto Lreturn3;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1546 default:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1547 if (!isascii(c))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1548 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1549 auto begin = p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1550 c = decodeUTF8();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1551 if (isUnicodeNewlineChar(c))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1552 goto case '\n';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1553 if (c == closing_delim)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1554 {
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1555 if (str_delim.length)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1556 {
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1557 if (checkStringDelim(begin))
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1558 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1559 p = begin + str_delim.length;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1560 goto Lreturn2;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1561 }
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1562 }
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1563 else
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1564 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1565 assert(level == 1);
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1566 --level;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1567 goto Lreturn;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1568 }
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1569 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1570 encodeUTF8(buffer, c);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1571 continue;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1572 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1573 else
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1574 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1575 if (c == opening_delim)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1576 ++level;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1577 else if (c == closing_delim)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1578 {
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1579 if (str_delim.length)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1580 {
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1581 if (checkStringDelim(p))
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1582 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1583 p += str_delim.length;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1584 goto Lreturn2;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1585 }
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1586 }
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1587 else if (--level == 0)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1588 goto Lreturn;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1589 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1590 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1591 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1592 assert(isascii(c));
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1593 buffer ~= c;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1594 }
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1595 Lreturn: // Character delimiter.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1596 assert(c == closing_delim);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1597 assert(level == 0);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1598 ++p; // Skip closing delimiter.
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1599 Lreturn2: // String delimiter.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1600 if (*p == '"')
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1601 ++p;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1602 else
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1603 {
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1604 // TODO: error(p, MID.ExpectedDblQuoteAfterDelim, str_delim.length ? str_delim : closing_delim~"");
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1605 }
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1606
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1607 t.pf = scanPostfix();
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1608 Lreturn3: // Error.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1609 t.str = buffer ~ '\0';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1610 t.end = p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1611 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1612
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1613 void scanTokenStringLiteral(ref Token t)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1614 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1615 assert(p[0] == 'q' && p[1] == '{');
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1616 t.kind = TOK.String;
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1617
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1618 auto tokenLineNum = lineNum;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1619 auto tokenLineBegin = lineBegin;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1620
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1621 // A guard against changes to particular members:
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1622 // this.lineNum_hline and this.errorPath
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1623 ++inTokenString;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1624
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1625 uint lineNum = this.lineNum;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1626 uint level = 1;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1627
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1628 ++p; ++p; // Skip q{
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1629
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1630 auto prev_t = &t;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1631 Token* token;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1632 while (1)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1633 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1634 token = new Token;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1635 scan(*token);
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1636 // Save the tokens in a doubly linked list.
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1637 // Could be useful for various tools.
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1638 token.prev = prev_t;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1639 prev_t.next = token;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1640 prev_t = token;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1641 switch (token.kind)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1642 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1643 case TOK.LBrace:
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1644 ++level;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1645 continue;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1646 case TOK.RBrace:
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1647 if (--level == 0)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1648 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1649 t.tok_str = t.next;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1650 t.next = null;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1651 break;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1652 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1653 continue;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1654 case TOK.EOF:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1655 // TODO: error(tokenLineNum, tokenLineBegin, t.start, MID.UnterminatedTokenString);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1656 t.tok_str = t.next;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1657 t.next = token;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1658 break;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1659 default:
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1660 continue;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1661 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1662 break; // Exit loop.
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1663 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1664
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1665 assert(token.kind == TOK.RBrace || token.kind == TOK.EOF);
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1666 assert(token.kind == TOK.RBrace && t.next is null ||
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1667 token.kind == TOK.EOF && t.next !is null);
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1668
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1669 char[] buffer;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1670 // token points to } or EOF
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
1671 if (token.kind == TOK.EOF)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1672 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1673 t.end = token.start;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1674 buffer = t.srcText[2..$].dup ~ '\0';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1675 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1676 else
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1677 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1678 // Assign to buffer before scanPostfix().
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1679 t.end = p;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1680 buffer = t.srcText[2..$-1].dup ~ '\0';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1681 t.pf = scanPostfix();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1682 t.end = p; // Assign again because of postfix.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1683 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1684 // Convert newlines to '\n'.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1685 if (lineNum != this.lineNum)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1686 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1687 assert(buffer[$-1] == '\0');
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1688 uint i, j;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1689 for (; i < buffer.length; ++i)
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1690 switch (buffer[i])
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1691 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1692 case '\r':
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1693 if (buffer[i+1] == '\n')
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1694 ++i;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1695 case '\n':
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1696 assert(isNewlineEnd(buffer.ptr + i));
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1697 buffer[j++] = '\n'; // Convert Newline to '\n'.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1698 break;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1699 default:
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1700 if (isUnicodeNewline(buffer.ptr + i))
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1701 {
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1702 ++i; ++i;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1703 goto case '\n';
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1704 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1705 buffer[j++] = buffer[i]; // Copy.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1706 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1707 buffer.length = j; // Adjust length.
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1708 }
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1709 assert(buffer[$-1] == '\0');
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1710 t.str = buffer;
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1711
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1712 --inTokenString;
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1713 }
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1714 } // version(D2)
383
6a5fc22cae34 Implemented scanner for new string literals and applied some fixes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 382
diff changeset
1715
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1716 dchar scanEscapeSequence(ref bool isBinary)
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1717 out(result)
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
1718 { assert(isValidChar(result)); }
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1719 body
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1720 {
386
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1721 assert(*p == '\\');
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1722
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1723 auto sequenceStart = p; // Used for error reporting.
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1724
386
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1725 ++p;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1726 uint c = char2ev(*p);
82
fc645fb2fe72 - scanEscapeSequences() doesn't return 0xFFFF as an error value anymore, because it is a valid codepoint usable by the user.
aziz
parents: 71
diff changeset
1727 if (c)
fc645fb2fe72 - scanEscapeSequences() doesn't return 0xFFFF as an error value anymore, because it is a valid codepoint usable by the user.
aziz
parents: 71
diff changeset
1728 {
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1729 ++p;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1730 return c;
46
e0dbd4722f74 - Scanning character literals correctly now.
aziz
parents: 45
diff changeset
1731 }
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1732
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1733 uint digits = 2;
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1734
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1735 switch (*p)
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1736 {
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1737 case 'x':
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1738 isBinary = true;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1739 case_Unicode:
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1740 assert(c == 0);
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1741 assert(digits == 2 || digits == 4 || digits == 8);
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1742 while (1)
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1743 {
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1744 ++p;
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1745 if (ishexad(*p))
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1746 {
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1747 c *= 16;
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1748 if (*p <= '9')
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1749 c += *p - '0';
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1750 else if (*p <= 'F')
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1751 c += *p - 'A' + 10;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1752 else
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1753 c += *p - 'a' + 10;
82
fc645fb2fe72 - scanEscapeSequences() doesn't return 0xFFFF as an error value anymore, because it is a valid codepoint usable by the user.
aziz
parents: 71
diff changeset
1754
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1755 if (--digits == 0)
82
fc645fb2fe72 - scanEscapeSequences() doesn't return 0xFFFF as an error value anymore, because it is a valid codepoint usable by the user.
aziz
parents: 71
diff changeset
1756 {
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1757 ++p;
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
1758 if (isValidChar(c))
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1759 return c; // Return valid escape value.
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1760
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1761 error(sequenceStart, MID.InvalidUnicodeEscapeSequence,
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1762 sequenceStart[0..p-sequenceStart]);
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1763 break;
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1764 }
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1765 continue;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1766 }
432
3ead178e0662 Added message MID.InvalidUnicodeEscapeSequence.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 430
diff changeset
1767
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1768 error(sequenceStart, MID.InsufficientHexDigits,
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1769 sequenceStart[0..p-sequenceStart]);
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1770 break;
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
1771 }
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1772 break;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1773 case 'u':
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1774 digits = 4;
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1775 goto case_Unicode;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1776 case 'U':
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1777 digits = 8;
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1778 goto case_Unicode;
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1779 default:
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1780 if (isoctal(*p))
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1781 {
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1782 isBinary = true;
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1783 assert(c == 0);
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1784 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1785 ++p;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1786 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1787 return c;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1788 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1789 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1790 ++p;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1791 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1792 return c;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1793 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1794 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1795 ++p;
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
1796 return c & 0xFF; // Return valid escape value.
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1797 }
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1798 else if(*p == '&')
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1799 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1800 if (isalpha(*++p))
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1801 {
272
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1802 auto begin = p;
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1803 while (isalnum(*++p))
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1804 {}
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1805
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1806 if (*p == ';')
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1807 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1808 // Pass entity excluding '&' and ';'.
272
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1809 c = entity2Unicode(begin[0..p - begin]);
386
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1810 ++p; // Skip ;
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1811 if (c != 0xFFFF)
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1812 return c; // Return valid escape value.
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1813 else
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1814 error(sequenceStart, MID.UndefinedHTMLEntity, sequenceStart[0 .. p - sequenceStart]);
272
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1815 }
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters.
aziz
parents: 249
diff changeset
1816 else
432
3ead178e0662 Added message MID.InvalidUnicodeEscapeSequence.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 430
diff changeset
1817 error(sequenceStart, MID.UnterminatedHTMLEntity, sequenceStart[0 .. p - sequenceStart]);
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1818 }
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
1819 else
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1820 error(sequenceStart, MID.InvalidBeginHTMLEntity);
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1821 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1822 else if (isEndOfLine(p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1823 error(sequenceStart, MID.UndefinedEscapeSequence,
496
5a607597dc22 Improved error recovery in the Parser.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 494
diff changeset
1824 isEOF(*p) ? `\EOF` : `\NewLine`);
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1825 else
386
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1826 {
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1827 char[] str = `\`;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1828 if (isascii(c))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1829 str ~= *p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
1830 else
387
ad0cbd1c8881 Undefined escape sequences are passed to error() now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 386
diff changeset
1831 encodeUTF8(str, decodeUTF8());
ad0cbd1c8881 Undefined escape sequences are passed to error() now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 386
diff changeset
1832 ++p;
ad0cbd1c8881 Undefined escape sequences are passed to error() now.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 386
diff changeset
1833 // TODO: check for unprintable character?
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1834 error(sequenceStart, MID.UndefinedEscapeSequence, str);
386
392a0068fc61 Refactored code related to scanning escape sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 384
diff changeset
1835 }
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1836 }
433
063cd016c913 Fixed some issues in scanEscapeSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 432
diff changeset
1837 return REPLACEMENT_CHAR; // Error: return replacement character.
45
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1838 }
cc84b9ca9d0a - Implemented escape sequence scanner.
aziz
parents: 44
diff changeset
1839
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1840 /*
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1841 IntegerLiteral:= (Dec|Hex|Bin|Oct)Suffix?
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1842 Dec:= (0|[1-9][0-9_]*)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1843 Hex:= 0[xX] HexDigits
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1844 Bin:= 0[bB][01_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1845 Oct:= 0[0-7_]+
68
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
1846 Suffix:= (L[uU]?|[uU]L?)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1847 HexDigits:= [0-9a-zA-Z_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1848
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1849 Invalid: "0b_", "0x_", "._"
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1850 */
15
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
1851 void scanNumber(ref Token t)
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
1852 {
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1853 ulong ulong_;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1854 bool overflow;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1855 bool isDecimal;
57
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1856 size_t digits;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1857
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1858 if (*p != '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1859 goto LscanInteger;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1860 ++p; // skip zero
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1861 // check for xX bB ...
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1862 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1863 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1864 case 'x','X':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1865 goto LscanHex;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1866 case 'b','B':
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1867 goto LscanBinary;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1868 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1869 if (p[1] == 'i')
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1870 goto LscanReal; // 0Li
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1871 break; // 0L
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1872 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1873 if (p[1] == '.')
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1874 break; // 0..
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1875 // 0.
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1876 case 'i','f','F', // Imaginary and float literal suffixes.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
1877 'e', 'E': // Float exponent.
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1878 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1879 default:
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1880 if (*p == '_')
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1881 goto LscanOctal; // 0_
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1882 else if (isdigit(*p))
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1883 {
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1884 if (*p == '8' || *p == '9')
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1885 goto Loctal_hasDecimalDigits; // 08 or 09
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1886 else
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1887 goto Loctal_enter_loop; // 0[0-7]
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1888 }
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1889 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1890
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1891 // Number 0
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1892 assert(p[-1] == '0');
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1893 assert(*p != '_' && !isdigit(*p));
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1894 assert(ulong_ == 0);
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1895 isDecimal = true;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1896 goto Lfinalize;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1897
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1898 LscanInteger:
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1899 assert(*p != 0 && isdigit(*p));
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1900 isDecimal = true;
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1901 goto Lenter_loop_int;
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
1902 while (1)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1903 {
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
1904 if (*++p == '_')
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1905 continue;
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
1906 if (!isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
1907 break;
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
1908 Lenter_loop_int:
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1909 if (ulong_ < ulong.max/10 || (ulong_ == ulong.max/10 && *p <= '5'))
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1910 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1911 ulong_ *= 10;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1912 ulong_ += *p - '0';
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1913 continue;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1914 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1915 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1916 overflow = true;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1917 while (isdigit(*++p)) {}
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1918 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1919 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1920
61
512cd2248dfc - Fix: issueing error on hexadecimal number overflow.
aziz
parents: 60
diff changeset
1921 // The number could be a float, so check overflow below.
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1922 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1923 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1924 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1925 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1926 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1927 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1928 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1929 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1930 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1931 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1932 goto LscanReal;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1933 default:
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1934 }
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1935
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1936 if (overflow)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1937 error(t.start, MID.OverflowDecimalNumber);
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
1938
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1939 assert((isdigit(p[-1]) || p[-1] == '_') && !isdigit(*p) && *p != '_');
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1940 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1941
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1942 LscanHex:
61
512cd2248dfc - Fix: issueing error on hexadecimal number overflow.
aziz
parents: 60
diff changeset
1943 assert(digits == 0);
410
4d9ee8e60712 Added destructors for two particular tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 403
diff changeset
1944 assert(*p == 'x' || *p == 'X');
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1945 while (1)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1946 {
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1947 if (*++p == '_')
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1948 continue;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1949 if (!ishexad(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1950 break;
61
512cd2248dfc - Fix: issueing error on hexadecimal number overflow.
aziz
parents: 60
diff changeset
1951 ++digits;
57
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1952 ulong_ *= 16;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1953 if (*p <= '9')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1954 ulong_ += *p - '0';
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1955 else if (*p <= 'F')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1956 ulong_ += *p - 'A' + 10;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1957 else
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1958 ulong_ += *p - 'a' + 10;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1959 }
57
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1960
410
4d9ee8e60712 Added destructors for two particular tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 403
diff changeset
1961 assert(ishexad(p[-1]) || p[-1] == '_' || p[-1] == 'x' || p[-1] == 'X');
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1962 assert(!ishexad(*p) && *p != '_');
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1963
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1964 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1965 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1966 case '.':
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1967 if (p[1] == '.')
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1968 break;
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1969 case 'p', 'P':
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1970 return scanHexReal(t);
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1971 default:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
1972 }
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1973
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1974 if (digits == 0 || digits > 16)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
1975 error(t.start, digits == 0 ? MID.NoDigitsInHexNumber : MID.OverflowHexNumber);
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
1976
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1977 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1978
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
1979 LscanBinary:
57
c0f1c8be3a47 - Added code for converting hex characters to binary numbers.
aziz
parents: 56
diff changeset
1980 assert(digits == 0);
410
4d9ee8e60712 Added destructors for two particular tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 403
diff changeset
1981 assert(*p == 'b' || *p == 'B');
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1982 while (1)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1983 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1984 if (*++p == '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1985 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1986 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1987 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1988 }
367
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
1989 else if (*p == '1')
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1990 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1991 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1992 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1993 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1994 }
367
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
1995 else if (*p == '_')
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
1996 continue;
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
1997 else
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
1998 break;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
1999 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2000
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2001 if (digits == 0 || digits > 64)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2002 error(t.start, digits == 0 ? MID.NoDigitsInBinNumber : MID.OverflowBinaryNumber);
59
3e594725899a - Issuing error when no digits were found in hex and binary numbers.
aziz
parents: 58
diff changeset
2003
410
4d9ee8e60712 Added destructors for two particular tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 403
diff changeset
2004 assert(p[-1] == '0' || p[-1] == '1' || p[-1] == '_' || p[-1] == 'b' || p[-1] == 'B', p[-1] ~ "");
367
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module.
aziz
parents: 365
diff changeset
2005 assert( !(*p == '0' || *p == '1' || *p == '_') );
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2006 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2007
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
2008 LscanOctal:
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
2009 assert(*p == '_');
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2010 while (1)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2011 {
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2012 if (*++p == '_')
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2013 continue;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2014 if (!isoctal(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2015 break;
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
2016 Loctal_enter_loop:
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2017 if (ulong_ < ulong.max/2 || (ulong_ == ulong.max/2 && *p <= '1'))
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2018 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2019 ulong_ *= 8;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2020 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2021 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2022 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2023 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2024 overflow = true;
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
2025 while (isoctal(*++p)) {}
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2026 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2027 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2028
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2029 bool hasDecimalDigits;
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2030 if (isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2031 {
396
0a4619735ce9 Applied fixes to Lexer, Parser and other classes.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 393
diff changeset
2032 Loctal_hasDecimalDigits:
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2033 hasDecimalDigits = true;
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2034 while (isdigit(*++p)) {}
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2035 }
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2036
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2037 // The number could be a float, so check errors below.
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2038 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2039 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2040 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2041 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2042 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2043 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2044 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2045 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2046 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2047 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2048 goto LscanReal;
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2049 default:
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2050 }
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2051
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2052 if (hasDecimalDigits)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2053 error(t.start, MID.OctalNumberHasDecimals);
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2054
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2055 if (overflow)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2056 error(t.start, MID.OverflowOctalNumber);
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2057 // goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2058
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2059 Lfinalize:
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2060 enum Suffix
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2061 {
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2062 None = 0,
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2063 Unsigned = 1,
60
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2064 Long = 2
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2065 }
60
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2066
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2067 // Scan optional suffix: L, Lu, LU, u, uL, U or UL.
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2068 Suffix suffix;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2069 while (1)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2070 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2071 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2072 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2073 case 'L':
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2074 if (suffix & Suffix.Long)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2075 break;
60
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2076 suffix |= Suffix.Long;
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2077 ++p;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2078 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2079 case 'u', 'U':
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2080 if (suffix & Suffix.Unsigned)
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2081 break;
60
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2082 suffix |= Suffix.Unsigned;
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2083 ++p;
32cc23bd217b - Fixed number suffix scanning.
aziz
parents: 59
diff changeset
2084 continue;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2085 default:
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2086 break;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2087 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2088 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2089 }
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2090
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2091 // Determine type of Integer.
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2092 switch (suffix)
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2093 {
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2094 case Suffix.None:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2095 if (ulong_ & 0x8000_0000_0000_0000)
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2096 {
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2097 if (isDecimal)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2098 error(t.start, MID.OverflowDecimalSign);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2099 t.kind = TOK.Uint64;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2100 }
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2101 else if (ulong_ & 0xFFFF_FFFF_0000_0000)
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2102 t.kind = TOK.Int64;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2103 else if (ulong_ & 0x8000_0000)
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2104 t.kind = isDecimal ? TOK.Int64 : TOK.Uint32;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2105 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2106 t.kind = TOK.Int32;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2107 break;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2108 case Suffix.Unsigned:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2109 if (ulong_ & 0xFFFF_FFFF_0000_0000)
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2110 t.kind = TOK.Uint64;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2111 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2112 t.kind = TOK.Uint32;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2113 break;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2114 case Suffix.Long:
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2115 if (ulong_ & 0x8000_0000_0000_0000)
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2116 {
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2117 if (isDecimal)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2118 error(t.start, MID.OverflowDecimalSign);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2119 t.kind = TOK.Uint64;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2120 }
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2121 else
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2122 t.kind = TOK.Int64;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2123 break;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2124 case Suffix.Unsigned | Suffix.Long:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2125 t.kind = TOK.Uint64;
58
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2126 break;
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2127 default:
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2128 assert(0);
50bb7fc9db44 - The types of integers are recognized now.
aziz
parents: 57
diff changeset
2129 }
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2130 t.ulong_ = ulong_;
15
c70c028e47dd - Started implementation of lexing numbers.
aziz
parents: 14
diff changeset
2131 t.end = p;
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2132 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2133 LscanReal:
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2134 scanReal(t);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2135 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2136 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2137
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2138 /*
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2139 FloatLiteral:= Float[fFL]?i?
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2140 Float:= DecFloat | HexFloat
67
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
2141 DecFloat:= ([0-9][0-9_]*[.][0-9_]*DecExponent?) | [.][0-9][0-9_]*DecExponent? | [0-9][0-9_]*DecExponent
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2142 DecExponent:= [eE][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2143 HexFloat:= 0[xX](HexDigits[.]HexDigits | [.][0-9a-zA-Z]HexDigits? | HexDigits)HexExponent
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2144 HexExponent:= [pP][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2145 */
56
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2146 void scanReal(ref Token t)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers.
aziz
parents: 55
diff changeset
2147 {
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2148 if (*p == '.')
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2149 {
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2150 assert(p[1] != '.');
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2151 // This function was called by scan() or scanNumber().
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2152 while (isdigit(*++p) || *p == '_') {}
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2153 }
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2154 else
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2155 // This function was called by scanNumber().
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2156 assert(delegate ()
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2157 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2158 switch (*p)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2159 {
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2160 case 'L':
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2161 if (p[1] != 'i')
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2162 return false;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2163 case 'i', 'f', 'F', 'e', 'E':
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2164 return true;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2165 default:
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2166 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2167 return false;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2168 }()
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2169 );
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2170
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2171 // Scan exponent.
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2172 if (*p == 'e' || *p == 'E')
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2173 {
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2174 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2175 if (*p == '-' || *p == '+')
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2176 ++p;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2177 if (isdigit(*p))
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2178 while (isdigit(*++p) || *p == '_') {}
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2179 else
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2180 error(t.start, MID.FloatExpMustStartWithDigit);
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2181 }
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2182
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2183 // Copy whole number and remove underscores from buffer.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2184 char[] buffer = t.start[0..p-t.start].dup;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2185 uint j;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2186 foreach (c; buffer)
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2187 if (c != '_')
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2188 buffer[j++] = c;
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2189 buffer.length = j; // Adjust length.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2190 buffer ~= 0; // Terminate for C functions.
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2191
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2192 finalizeFloat(t, buffer);
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2193 }
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2194
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2195 void scanHexReal(ref Token t)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2196 {
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2197 assert(*p == '.' || *p == 'p' || *p == 'P');
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2198 MID mid;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2199 if (*p == '.')
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2200 while (ishexad(*++p) || *p == '_')
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2201 {}
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2202 // Decimal exponent is required.
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2203 if (*p != 'p' && *p != 'P')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2204 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2205 mid = MID.HexFloatExponentRequired;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2206 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2207 }
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2208 // Scan exponent
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2209 assert(*p == 'p' || *p == 'P');
393
fce1e6133dac Applied fix to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 392
diff changeset
2210 ++p;
fce1e6133dac Applied fix to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 392
diff changeset
2211 if (*p == '+' || *p == '-')
fce1e6133dac Applied fix to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 392
diff changeset
2212 ++p;
fce1e6133dac Applied fix to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 392
diff changeset
2213 if (!isdigit(*p))
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2214 {
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2215 mid = MID.HexFloatExpMustStartWithDigit;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2216 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2217 }
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2218 while (isdigit(*++p) || *p == '_')
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2219 {}
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2220 // Copy whole number and remove underscores from buffer.
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2221 char[] buffer = t.start[0..p-t.start].dup;
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2222 uint j;
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2223 foreach (c; buffer)
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2224 if (c != '_')
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2225 buffer[j++] = c;
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2226 buffer.length = j; // Adjust length.
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2227 buffer ~= 0; // Terminate for C functions.
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2228 finalizeFloat(t, buffer);
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2229 return;
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2230 Lerr:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2231 t.kind = TOK.Float32;
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2232 t.end = p;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2233 error(t.start, mid);
63
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2234 }
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2235
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2236 void finalizeFloat(ref Token t, string buffer)
c29229fbf2f7 - Recognizing floats that start with a dot.
aziz
parents: 62
diff changeset
2237 {
389
c4bfceab7246 Applied fixes and improvements to hex float scanner.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 388
diff changeset
2238 assert(buffer[$-1] == 0);
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2239 // Float number is well-formed. Check suffixes and do conversion.
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2240 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2241 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2242 case 'f', 'F':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2243 t.kind = TOK.Float32;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2244 t.float_ = strtof(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2245 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2246 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2247 case 'L':
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2248 t.kind = TOK.Float80;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2249 t.real_ = strtold(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2250 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2251 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2252 default:
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2253 t.kind = TOK.Float64;
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2254 t.double_ = strtod(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2255 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2256 if (*p == 'i')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2257 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2258 ++p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2259 t.kind += 3; // Switch to imaginary counterpart.
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2260 assert(t.kind == TOK.Imaginary32 ||
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2261 t.kind == TOK.Imaginary64 ||
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2262 t.kind == TOK.Imaginary80);
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2263 }
391
33b566df6af4 Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 390
diff changeset
2264 if (errno() == ERANGE)
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2265 error(t.start, MID.OverflowFloatNumber);
62
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2266 t.end = p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2267 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block.
aziz
parents: 61
diff changeset
2268
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2269 /// Scan special token: #line Integer [Filespec] EndOfLine
360
b6a3755eba94 - Renamed scanSpecialToken() to scanSpecialTokenSequence().
aziz
parents: 350
diff changeset
2270 void scanSpecialTokenSequence(ref Token t)
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2271 {
47
8aa37a78937b - Properly implemented scanner for normal string literals.
aziz
parents: 46
diff changeset
2272 assert(*p == '#');
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2273 t.kind = TOK.HashLine;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
2274 t.setWhitespaceFlag();
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2275
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2276 MID mid;
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2277 char* errorAtColumn = p;
763
f26f13b5a3a3 Fixed code in scanSpecialTokenSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 762
diff changeset
2278 char* tokenEnd = ++p;
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2279
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2280 if (!(p[0] == 'l' && p[1] == 'i' && p[2] == 'n' && p[3] == 'e'))
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2281 {
370
ae4afb66768f - Renamed findModule() to findModulePath().
aziz
parents: 367
diff changeset
2282 mid = MID.ExpectedIdentifierSTLine;
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2283 goto Lerr;
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2284 }
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2285 p += 3;
763
f26f13b5a3a3 Fixed code in scanSpecialTokenSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 762
diff changeset
2286 tokenEnd = p + 1;
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2287
388
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2288 // TODO: #line58"path/file" is legal. Require spaces?
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2289 // State.Space could be used for that purpose.
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2290 enum State
388
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2291 { /+Space,+/ Integer, Filespec, End }
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2292
388
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2293 State state = State.Integer;
763
f26f13b5a3a3 Fixed code in scanSpecialTokenSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 762
diff changeset
2294
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2295 while (!isEndOfLine(++p))
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2296 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2297 if (isspace(*p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2298 continue;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2299 if (state == State.Integer)
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2300 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2301 if (!isdigit(*p))
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2302 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2303 errorAtColumn = p;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2304 mid = MID.ExpectedIntegerAfterSTLine;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2305 goto Lerr;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2306 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2307 t.tokLineNum = new Token;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2308 scan(*t.tokLineNum);
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2309 tokenEnd = p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2310 if (t.tokLineNum.kind != TOK.Int32 && t.tokLineNum.kind != TOK.Uint32)
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2311 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2312 errorAtColumn = t.tokLineNum.start;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2313 mid = MID.ExpectedIntegerAfterSTLine;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2314 goto Lerr;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2315 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2316 --p; // Go one back because scan() advanced p past the integer.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2317 state = State.Filespec;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2318 }
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2319 else if (state == State.Filespec && *p == '"')
763
f26f13b5a3a3 Fixed code in scanSpecialTokenSequence().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 762
diff changeset
2320 { // MID.ExpectedFilespec is deprecated.
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2321 // if (*p != '"')
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2322 // {
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2323 // errorAtColumn = p;
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2324 // mid = MID.ExpectedFilespec;
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2325 // goto Lerr;
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2326 // }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2327 t.tokLineFilespec = new Token;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2328 t.tokLineFilespec.start = p;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2329 t.tokLineFilespec.kind = TOK.Filespec;
552
3bc7801c207e Refactored the way how tokens are flagged as whitespace.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 550
diff changeset
2330 t.tokLineFilespec.setWhitespaceFlag();
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2331 while (*++p != '"')
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2332 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2333 if (isEndOfLine(p))
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2334 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2335 errorAtColumn = t.tokLineFilespec.start;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2336 mid = MID.UnterminatedFilespec;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2337 t.tokLineFilespec.end = p;
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2338 tokenEnd = p;
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2339 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2340 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2341 isascii(*p) || decodeUTF8();
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2342 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2343 auto start = t.tokLineFilespec.start +1; // +1 skips '"'
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2344 t.tokLineFilespec.str = start[0 .. p - start];
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2345 t.tokLineFilespec.end = p + 1;
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2346 tokenEnd = p + 1;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2347 state = State.End;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2348 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2349 else/+ if (state == State.End)+/
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2350 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2351 mid = MID.UnterminatedSpecialToken;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2352 goto Lerr;
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2353 }
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2354 }
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2355 assert(isEndOfLine(p));
323
6259fb93e3dd - Rewrote scanSpecialToken().
aziz
parents: 315
diff changeset
2356
388
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2357 if (state == State.Integer)
51
cadd2bfe686c - Displaying error messages in XML.
aziz
parents: 50
diff changeset
2358 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2359 errorAtColumn = p;
388
ae154eceba65 Applied some fixes to scanning and printing #line tokens.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 387
diff changeset
2360 mid = MID.ExpectedIntegerAfterSTLine;
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2361 goto Lerr;
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2362 }
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2363
392
bb935c6f9b7a Applied fixes and improvements to the Lexer class.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 391
diff changeset
2364 // Evaluate #line only when not in token string.
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2365 if (!inTokenString && t.tokLineNum)
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2366 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2367 this.lineNum_hline = this.lineNum - t.tokLineNum.uint_ + 1;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2368 if (t.tokLineFilespec)
607
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
2369 newFilePath(t.tokLineFilespec.str);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2370 }
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2371 p = tokenEnd;
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2372 t.end = tokenEnd;
30
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2373
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2374 return;
426767b94635 - Added code for parsing the '#line' special token.
aziz
parents: 29
diff changeset
2375 Lerr:
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2376 p = tokenEnd;
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2377 t.end = tokenEnd;
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2378 error(errorAtColumn, mid);
371
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer.
aziz
parents: 370
diff changeset
2379 }
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer.
aziz
parents: 370
diff changeset
2380
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2381 /++
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2382 Insert an empty dummy token before t.
737
f88b5285b86b Implemented DDocEmitter.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 715
diff changeset
2383
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2384 Useful in the parsing phase for representing a node in the AST
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2385 that doesn't consume an actual token from the source text.
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2386 +/
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2387 Token* insertEmptyTokenBefore(Token* t)
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2388 {
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2389 assert(t !is null && t.prev !is null);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2390 assert(text.ptr <= t.start && t.start < end, Token.toString(t.kind));
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2391 assert(text.ptr <= t.end && t.end <= end, Token.toString(t.kind));
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2392
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2393 auto prev_t = t.prev;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2394 auto new_t = new Token;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2395 new_t.kind = TOK.Empty;
414
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2396 new_t.start = new_t.end = prev_t.end;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2397 // Link in new token.
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2398 prev_t.next = new_t;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2399 new_t.prev = prev_t;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2400 new_t.next = t;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2401 t.prev = new_t;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2402 return new_t;
9c69615a4876 Added method insertEmptyTokenBefore() to Lexer. Made some fixes, too.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 413
diff changeset
2403 }
105
df34ec47fb81 - Added getState() method and State struct to Lexer.
aziz
parents: 103
diff changeset
2404
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2405 uint errorLineNumber(uint lineNum)
239
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK.
aziz
parents: 223
diff changeset
2406 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2407 return lineNum - this.lineNum_hline;
18
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
2408 }
c48d2125f1e2 - Moved code for scanning character literals to separate function.
aziz
parents: 17
diff changeset
2409
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2410 void error(char* columnPos, MID mid, ...)
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
2411 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2412 error_(this.lineNum, this.lineBegin, columnPos, mid, _arguments, _argptr);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2413 }
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
2414
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2415 void error(uint lineNum, char* lineBegin, char* columnPos, MID mid, ...)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2416 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2417 error_(lineNum, lineBegin, columnPos, mid, _arguments, _argptr);
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2418 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2419
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2420 void error_(uint lineNum, char* lineBegin, char* columnPos, MID mid,
762
c909a3d3fa52 Fixed vararg issue with gdc.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 755
diff changeset
2421 TypeInfo[] _arguments, Arg _argptr)
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2422 {
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2423 lineNum = this.errorLineNumber(lineNum);
607
2ed1e6d638cd Making use of struct NewlineData.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 601
diff changeset
2424 auto errorPath = this.filePaths.setPath;
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2425 auto location = new Location(errorPath, lineNum, lineBegin, columnPos);
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2426 auto msg = Format(_arguments, _argptr, GetMsg(mid));
520
f203c5248d0b Added 'compile' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 519
diff changeset
2427 auto error = new LexerError(location, msg);
f203c5248d0b Added 'compile' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 519
diff changeset
2428 errors ~= error;
f203c5248d0b Added 'compile' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 519
diff changeset
2429 if (infoMan !is null)
f203c5248d0b Added 'compile' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 519
diff changeset
2430 infoMan ~= error;
207
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
2431 }
481ed2b63a49 - Added contracts to method scan().
aziz
parents: 131
diff changeset
2432
306
9c866aadcb5b - Moved code out of main() to separate functions.
aziz
parents: 272
diff changeset
2433 Token* getTokens()
4
92df59b1ec4a - Started implementation of scan().
aziz
parents: 3
diff changeset
2434 {
306
9c866aadcb5b - Moved code out of main() to separate functions.
aziz
parents: 272
diff changeset
2435 while (nextToken() != TOK.EOF)
9c866aadcb5b - Moved code out of main() to separate functions.
aziz
parents: 272
diff changeset
2436 {}
9c866aadcb5b - Moved code out of main() to separate functions.
aziz
parents: 272
diff changeset
2437 return head;
3
4bbce78bfb1e - Added TOK enum.
aziz
parents: 2
diff changeset
2438 }
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2439
487
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2440 /// Scan the whole text until EOF is encountered.
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2441 void scanAll()
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2442 {
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2443 while (nextToken() != TOK.EOF)
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2444 {}
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2445 }
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2446
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2447 /// HEAD -> Newline -> First Token
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2448 Token* firstToken()
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2449 {
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2450 return this.head.next.next;
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2451 }
bccca748d745 Added 'tokenize' command.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 485
diff changeset
2452
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2453 static void loadKeywords(ref Identifier[string] table)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2454 {
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2455 foreach(k; keywords)
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2456 table[k.str] = k;
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2457 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2458
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2459 /// Returns true if str is a valid D identifier.
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2460 static bool isIdentifierString(char[] str)
365
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2461 {
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2462 if (str.length == 0 || isdigit(str[0]))
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2463 return false;
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2464 size_t idx;
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2465 do
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2466 {
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2467 auto c = dil.Unicode.decode(str, idx);
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2468 if (c == ERROR_CHAR || !(isident(c) || !isascii(c) && isUniAlpha(c)))
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2469 return false;
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2470 } while (idx < str.length)
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2471 return true;
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2472 }
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2473
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2474 /// Returns true if str is a keyword or a special token (__FILE__, __LINE__ etc.)
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2475 static bool isReservedIdentifier(char[] str)
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2476 {
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2477 if (str.length == 0)
382
66477017cb95 Applied fixes to isNonReservedIdentifier().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 371
diff changeset
2478 return false;
66477017cb95 Applied fixes to isNonReservedIdentifier().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 371
diff changeset
2479
365
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2480 static Identifier[string] reserved_ids_table;
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2481 if (reserved_ids_table is null)
499
52447db67938 Implemented global table of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 498
diff changeset
2482 Lexer.loadKeywords(reserved_ids_table);
365
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2483
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2484 if (!isIdentifierString(str))
365
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2485 return false;
ed67acc82268 - Added option includes to config.d.
aziz
parents: 360
diff changeset
2486
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2487 return (str in reserved_ids_table) !is null;
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2488 }
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2489
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2490 /++
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2491 Returns true if the current character to be decoded is
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2492 a Unicode alpha character.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2493 The current pointer 'p' is not advanced if false is returned.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2494 +/
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2495 bool isUnicodeAlpha()
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2496 {
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2497 assert(!isascii(*p), "check for ASCII char before calling decodeUTF8().");
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2498 char* p = this.p;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2499 dchar d = *p;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2500 ++p; // Move to second byte.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2501 // Error if second byte is not a trail byte.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2502 if (!isTrailByte(*p))
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2503 return false;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2504 // Check for overlong sequences.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2505 switch (d)
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2506 {
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2507 case 0xE0, 0xF0, 0xF8, 0xFC:
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2508 if ((*p & d) == 0x80)
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2509 return false;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2510 default:
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2511 if ((d & 0xFE) == 0xC0) // 1100000x
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2512 return false;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2513 }
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2514 const char[] checkNextByte = "if (!isTrailByte(*++p))"
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2515 " return false;";
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2516 const char[] appendSixBits = "d = (d << 6) | *p & 0b0011_1111;";
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2517 // Decode
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2518 if ((d & 0b1110_0000) == 0b1100_0000)
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2519 {
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2520 d &= 0b0001_1111;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2521 mixin(appendSixBits);
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2522 }
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2523 else if ((d & 0b1111_0000) == 0b1110_0000)
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2524 {
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2525 d &= 0b0000_1111;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2526 mixin(appendSixBits ~
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2527 checkNextByte ~ appendSixBits);
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2528 }
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2529 else if ((d & 0b1111_1000) == 0b1111_0000)
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2530 {
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2531 d &= 0b0000_0111;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2532 mixin(appendSixBits ~
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2533 checkNextByte ~ appendSixBits ~
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2534 checkNextByte ~ appendSixBits);
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2535 }
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2536 else
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2537 return false;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2538
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2539 assert(isTrailByte(*p));
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2540 if (!isValidChar(d) || !isUniAlpha(d))
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2541 return false;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2542 // Only advance pointer if this is a Unicode alpha character.
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2543 this.p = p;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2544 return true;
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2545 }
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2546
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2547 /// Decodes the next UTF-8 sequence.
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2548 dchar decodeUTF8()
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2549 {
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2550 assert(!isascii(*p), "check for ASCII char before calling decodeUTF8().");
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2551 char* p = this.p;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2552 dchar d = *p;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2553
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2554 ++p; // Move to second byte.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2555 // Error if second byte is not a trail byte.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2556 if (!isTrailByte(*p))
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2557 goto Lerr2;
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2558
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2559 // Check for overlong sequences.
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2560 switch (d)
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2561 {
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2562 case 0xE0, // 11100000 100xxxxx
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2563 0xF0, // 11110000 1000xxxx
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2564 0xF8, // 11111000 10000xxx
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2565 0xFC: // 11111100 100000xx
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2566 if ((*p & d) == 0x80)
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2567 goto Lerr;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2568 default:
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2569 if ((d & 0xFE) == 0xC0) // 1100000x
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2570 goto Lerr;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2571 }
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2572
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2573 const char[] checkNextByte = "if (!isTrailByte(*++p))"
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2574 " goto Lerr2;";
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2575 const char[] appendSixBits = "d = (d << 6) | *p & 0b0011_1111;";
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2576
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2577 // Decode
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2578 if ((d & 0b1110_0000) == 0b1100_0000)
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2579 { // 110xxxxx 10xxxxxx
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2580 d &= 0b0001_1111;
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2581 mixin(appendSixBits);
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2582 }
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2583 else if ((d & 0b1111_0000) == 0b1110_0000)
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2584 { // 1110xxxx 10xxxxxx 10xxxxxx
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2585 d &= 0b0000_1111;
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2586 mixin(appendSixBits ~
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2587 checkNextByte ~ appendSixBits);
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2588 }
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2589 else if ((d & 0b1111_1000) == 0b1111_0000)
550
082126d78f90 Fixed lexing of identifiers.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 538
diff changeset
2590 { // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2591 d &= 0b0000_0111;
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2592 mixin(appendSixBits ~
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2593 checkNextByte ~ appendSixBits ~
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2594 checkNextByte ~ appendSixBits);
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2595 }
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2596 else
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2597 // 5 and 6 byte UTF-8 sequences are not allowed yet.
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2598 // 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2599 // 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2600 goto Lerr;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2601
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2602 assert(isTrailByte(*p));
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2603
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2604 if (!isValidChar(d))
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2605 {
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2606 Lerr:
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2607 // Three cases:
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2608 // *) the UTF-8 sequence was successfully decoded but the resulting
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2609 // character is invalid.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2610 // p points to last trail byte in the sequence.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2611 // *) the UTF-8 sequence is overlong.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2612 // p points to second byte in the sequence.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2613 // *) the UTF-8 sequence has more than 4 bytes or starts with
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2614 // a trail byte.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2615 // p points to second byte in the sequence.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2616 assert(isTrailByte(*p));
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2617 // Move to next ASCII character or lead byte of a UTF-8 sequence.
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2618 while (p < (end-1) && isTrailByte(*p))
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2619 ++p;
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2620 --p;
426
3f7790d3f9d6 Improved decodeUTF8().
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 425
diff changeset
2621 assert(!isTrailByte(p[1]));
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2622 Lerr2:
430
e6c759e151cd Fixed a few things regarding encoding/decoding UTF-8 sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 426
diff changeset
2623 d = REPLACEMENT_CHAR;
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2624 error(this.p, MID.InvalidUTF8Sequence, formatBytes(this.p, p));
425
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2625 }
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2626
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2627 this.p = p;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2628 return d;
6bf936bf3356 Added own UTF-8 decoding function.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 424
diff changeset
2629 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2630
519
9ebc799c7dc5 Fixes in dil.Parser.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 514
diff changeset
2631 static void encodeUTF8(ref char[] str, dchar d)
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2632 {
430
e6c759e151cd Fixed a few things regarding encoding/decoding UTF-8 sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 426
diff changeset
2633 assert(!isascii(d), "check for ASCII char before calling encodeUTF8().");
510
dd3ce87b3569 Added module dil.Unicode.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 507
diff changeset
2634 assert(isValidChar(d), "check if character is valid before calling encodeUTF8().");
430
e6c759e151cd Fixed a few things regarding encoding/decoding UTF-8 sequences.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 426
diff changeset
2635
519
9ebc799c7dc5 Fixes in dil.Parser.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 514
diff changeset
2636 char[6] b = void;
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2637 if (d < 0x800)
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2638 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2639 b[0] = 0xC0 | (d >> 6);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2640 b[1] = 0x80 | (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2641 str ~= b[0..2];
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2642 }
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2643 else if (d < 0x10000)
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2644 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2645 b[0] = 0xE0 | (d >> 12);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2646 b[1] = 0x80 | ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2647 b[2] = 0x80 | (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2648 str ~= b[0..3];
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2649 }
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2650 else if (d < 0x200000)
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2651 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2652 b[0] = 0xF0 | (d >> 18);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2653 b[1] = 0x80 | ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2654 b[2] = 0x80 | ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2655 b[3] = 0x80 | (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2656 str ~= b[0..4];
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2657 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2658 /+ // There are no 5 and 6 byte UTF-8 sequences yet.
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2659 else if (d < 0x4000000)
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2660 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2661 b[0] = 0xF8 | (d >> 24);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2662 b[1] = 0x80 | ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2663 b[2] = 0x80 | ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2664 b[3] = 0x80 | ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2665 b[4] = 0x80 | (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2666 str ~= b[0..5];
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2667 }
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2668 else if (d < 0x80000000)
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2669 {
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2670 b[0] = 0xFC | (d >> 30);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2671 b[1] = 0x80 | ((d >> 24) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2672 b[2] = 0x80 | ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2673 b[3] = 0x80 | ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2674 b[4] = 0x80 | ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2675 b[5] = 0x80 | (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2676 str ~= b[0..6];
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2677 }
424
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2678 +/
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2679 else
bb3cb00feeb2 Applied some fixes to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 422
diff changeset
2680 assert(0);
48
c2e0e0269c28 - Added code for scanning escape string literals.
aziz
parents: 47
diff changeset
2681 }
789
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2682
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2683 /// Formats the bytes between start and end.
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2684 /// Returns: e.g.: abc -> \x61\x62\x63
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2685 static char[] formatBytes(char* start, char* end)
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2686 {
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2687 auto strLen = end-start;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2688 const formatLen = `\xXX`.length;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2689 char[] result = new char[strLen*formatLen]; // Reserve space.
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2690 result.length = 0;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2691 foreach (c; cast(ubyte[])start[0..strLen])
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2692 result ~= Format("\\x{:X}", c);
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2693 return result;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2694 }
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2695
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2696 /// Searches for an invalid UTF-8 sequence in str.
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2697 /// Returns: a formatted string of the invalid sequence (e.g. \xC0\x80).
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2698 static string findInvalidUTF8Sequence(string str)
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2699 {
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2700 char* p = str.ptr, end = p + str.length;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2701 while (p < end)
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2702 {
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2703 if (decode(p, end) == ERROR_CHAR)
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2704 {
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2705 auto begin = p;
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2706 // Skip trail-bytes.
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2707 while (++p < end && isTrailByte(*p))
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2708 {}
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2709 return Lexer.formatBytes(begin, p);
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2710 }
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2711 }
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2712 assert(p == end);
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2713 return "";
c1d5cfd7aa44 Implemented string literal conversion.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 776
diff changeset
2714 }
5
79b4e8848794 - Started writing XML generator.
aziz
parents: 4
diff changeset
2715 }
39
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2716
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2717 unittest
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2718 {
391
33b566df6af4 Migrated project to Tango.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 390
diff changeset
2719 Stdout("Testing Lexer.\n");
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2720 struct Pair
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2721 {
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2722 char[] tokenText;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2723 TOK kind;
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2724 }
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2725 static Pair[] pairs = [
494
9a7ca8c56e59 Refactored a few things in the Parser.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 490
diff changeset
2726 {"#!äöüß", TOK.Shebang}, {"\n", TOK.Newline},
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2727 {"//çay", TOK.Comment}, {"\n", TOK.Newline},
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2728 {"&", TOK.AndBinary},
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2729 {"/*çağ*/", TOK.Comment}, {"&&", TOK.AndLogical},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2730 {"/+çak+/", TOK.Comment}, {"&=", TOK.AndAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2731 {">", TOK.Greater}, {"+", TOK.Plus},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2732 {">=", TOK.GreaterEqual}, {"++", TOK.PlusPlus},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2733 {">>", TOK.RShift}, {"+=", TOK.PlusAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2734 {">>=", TOK.RShiftAssign}, {"-", TOK.Minus},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2735 {">>>", TOK.URShift}, {"--", TOK.MinusMinus},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2736 {">>>=", TOK.URShiftAssign}, {"-=", TOK.MinusAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2737 {"<", TOK.Less}, {"=", TOK.Assign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2738 {"<=", TOK.LessEqual}, {"==", TOK.Equal},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2739 {"<>", TOK.LorG}, {"~", TOK.Tilde},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2740 {"<>=", TOK.LorEorG}, {"~=", TOK.CatAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2741 {"<<", TOK.LShift}, {"*", TOK.Mul},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2742 {"<<=", TOK.LShiftAssign}, {"*=", TOK.MulAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2743 {"!", TOK.Not}, {"/", TOK.Div},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2744 {"!=", TOK.NotEqual}, {"/=", TOK.DivAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2745 {"!<", TOK.UorGorE}, {"^", TOK.Xor},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2746 {"!>", TOK.UorLorE}, {"^=", TOK.XorAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2747 {"!<=", TOK.UorG}, {"%", TOK.Mod},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2748 {"!>=", TOK.UorL}, {"%=", TOK.ModAssign},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2749 {"!<>", TOK.UorE}, {"(", TOK.LParen},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2750 {"!<>=", TOK.Unordered}, {")", TOK.RParen},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2751 {".", TOK.Dot}, {"[", TOK.LBracket},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2752 {"..", TOK.Slice}, {"]", TOK.RBracket},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2753 {"...", TOK.Ellipses}, {"{", TOK.LBrace},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2754 {"|", TOK.OrBinary}, {"}", TOK.RBrace},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2755 {"||", TOK.OrLogical}, {":", TOK.Colon},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2756 {"|=", TOK.OrAssign}, {";", TOK.Semicolon},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2757 {"?", TOK.Question}, {",", TOK.Comma},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2758 {"$", TOK.Dollar}, {"cam", TOK.Identifier},
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2759 {"çay", TOK.Identifier}, {".0", TOK.Float64},
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2760 {"0", TOK.Int32}, {"\n", TOK.Newline},
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2761 {"\r", TOK.Newline}, {"\r\n", TOK.Newline},
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2762 {"\u2028", TOK.Newline}, {"\u2029", TOK.Newline}
40
9d5ceb0f8be9 - Added more tokens for testing.
aziz
parents: 39
diff changeset
2763 ];
39
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2764
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2765 char[] src;
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2766
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2767 // Join all token texts into a single string.
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2768 foreach (i, pair; pairs)
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2769 if (pair.kind == TOK.Comment && pair.tokenText[1] == '/' || // Line comment.
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2770 pair.kind == TOK.Shebang)
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2771 {
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2772 assert(pairs[i+1].kind == TOK.Newline); // Must be followed by a newline.
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2773 src ~= pair.tokenText;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2774 }
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2775 else
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2776 src ~= pair.tokenText ~ " ";
39
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2777
764
4579e8505d5e Fixed unittests and removed dil.File.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 763
diff changeset
2778 auto lx = new Lexer(new SourceText("", src));
350
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2779 auto token = lx.getTokens();
39
69b940398d7b - Added unittest to test correct parsing of operator tokens.
aziz
parents: 38
diff changeset
2780
350
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2781 uint i;
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2782 assert(token == lx.head);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2783 assert(token.next.kind == TOK.Newline);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2784 token = token.next.next;
350
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2785 do
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2786 {
413
0fd78fdcb982 Added an alternative scan() method to class Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 412
diff changeset
2787 assert(i < pairs.length);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2788 assert(token.srcText == pairs[i].tokenText, Format("Scanned '{0}' but expected '{1}'", token.srcText, pairs[i].tokenText));
350
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2789 ++i;
4ea6759300cf - Fixed unittests in module Lexer.
aziz
parents: 346
diff changeset
2790 token = token.next;
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2791 } while (token.kind != TOK.EOF)
41
2b7be1d67d4d - Optimized scanner of block comments.
aziz
parents: 40
diff changeset
2792 }
55
5887751f8e04 - Relocated ptable to the bottom of the source file.
aziz
parents: 54
diff changeset
2793
67
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
2794 unittest
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
2795 {
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2796 Stdout("Testing method Lexer.peek()\n");
764
4579e8505d5e Fixed unittests and removed dil.File.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 763
diff changeset
2797 auto sourceText = new SourceText("", "unittest { }");
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2798 auto lx = new Lexer(sourceText, null);
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2799
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2800 auto next = lx.head;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2801 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2802 assert(next.kind == TOK.Newline);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2803 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2804 assert(next.kind == TOK.Unittest);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2805 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2806 assert(next.kind == TOK.LBrace);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2807 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2808 assert(next.kind == TOK.RBrace);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2809 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2810 assert(next.kind == TOK.EOF);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2811
764
4579e8505d5e Fixed unittests and removed dil.File.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 763
diff changeset
2812 lx = new Lexer(new SourceText("", ""));
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2813 next = lx.head;
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2814 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2815 assert(next.kind == TOK.Newline);
485
ea8c7459f1c4 Changed a lot of things in the Lexer.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 464
diff changeset
2816 lx.peek(next);
679
ff6971637f88 Renamed Token member type to kind.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 607
diff changeset
2817 assert(next.kind == TOK.EOF);
422
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2818 }
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2819
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2820 unittest
ad7977fe315a Added support for column numbers in error messages.
Aziz K?ksal <aziz.koeksal@gmail.com>
parents: 420
diff changeset
2821 {
67
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
2822 // Numbers unittest
68
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
2823 // 0L 0ULi 0_L 0_UL 0x0U 0x0p2 0_Fi 0_e2 0_F 0_i
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
2824 // 0u 0U 0uL 0UL 0L 0LU 0Lu
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
2825 // 0Li 0f 0F 0fi 0Fi 0i
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
2826 // 0b_1_LU 0b1000u
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest.
aziz
parents: 67
diff changeset
2827 // 0x232Lu
67
996065105910 - Fix: variadic arguments are local to the variadic function. Parameters are converted to an array of strings first and then passed to the constructor of class Problem.
aziz
parents: 66
diff changeset
2828 }