projects/dil: trunk/src/Lexer.d annotate

annotate trunk/src/Lexer.d @ 323:6259fb93e3dd

- Rewrote scanSpecialToken(). - Added Filespec to enum TOK. - Added another nested struct to union in Token. - Deleted ExpectedNormalStringLiteral from enum MID and added ExpectedFilespec and UnterminatedFilespec. Adapted lang_de.d and lang_en.d accordingly. - Fixed some code in scanNumber(). Added some assert statements.

author	aziz
date	Tue, 21 Aug 2007 15:26:00 +0000
parents	29c33ce6c5bb
children

rev	line source
0 8ba2570de175 Initial import. aziz parents: diff changeset	1 /++
8ba2570de175 Initial import. aziz parents: diff changeset	2 Author: Aziz Köksal
249 32d354584b28 - Upgraded license notices to GPL3. aziz parents: 239 diff changeset	3 License: GPL3
0 8ba2570de175 Initial import. aziz parents: diff changeset	4 +/
8ba2570de175 Initial import. aziz parents: diff changeset	5 module Lexer;
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	6 import Token;
69 24db7c5522d5 - Added module Information for compiler messages like warnings, info and errors to the user. aziz parents: 68 diff changeset	7 import Information;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	8 import Keywords;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	9 import Identifier;
54 e55bd2270f94 - Relocated messages table to a separate module. aziz parents: 53 diff changeset	10 import Messages;
272 0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	11 import HtmlEntities;
2 81c6cc33f5c8 - Initializing ptable with a precomputed array literal. aziz parents: 1 diff changeset	12 import std.stdio;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	13 import std.utf;
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	14 import std.uni;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	15 import std.c.stdlib;
66 8e84db78ad55 - Added support for variadic arguments in error messages. aziz parents: 65 diff changeset	16 import std.string;
0 8ba2570de175 Initial import. aziz parents: diff changeset	17
11 dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	18 const char[3] LS = \u2028;
dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	19 const char[3] PS = \u2029;
dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	20
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	21 const dchar LSd = 0x2028;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	22 const dchar PSd = 0x2029;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	23
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	24 const uint _Z_ = 26; /// Control+Z
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	25
0 8ba2570de175 Initial import. aziz parents: diff changeset	26 class Lexer
8ba2570de175 Initial import. aziz parents: diff changeset	27 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	28 Token* head; /// The head of the doubly linked token list.
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	29 Token* token; /// Points to the current token in the token list.
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	30 string text;
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	31 char* p; /// Points to the current character in the source text.
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	32 char* end; /// Points one character past the end of the source text.
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	33
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	34 uint loc = 1; /// line of code
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	35
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	36 char[] fileName;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	37
69 24db7c5522d5 - Added module Information for compiler messages like warnings, info and errors to the user. aziz parents: 68 diff changeset	38 Information[] errors;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	39
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	40 // bool reportErrors;
103 511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	41
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	42 Identifier[string] idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	43
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	44 this(string text, string fileName)
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	45 {
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	46 this.fileName = fileName;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	47
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	48 this.text = text;
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	49 if (text[$-1] != 0)
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	50 {
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	51 this.text.length = this.text.length + 1;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	52 this.text[$-1] = 0;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	53 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	54
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	55 this.p = this.text.ptr;
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	56 this.end = this.p + this.text.length;
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	57 // this.reportErrors = true;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	58 loadKeywords();
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	59
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	60 this.head = new Token;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	61 this.head.type = TOK.HEAD;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	62 this.token = this.head;
315 29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	63 scanShebang();
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	64 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	65
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	66 void scanShebang()
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	67 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	68 if (*p == '#' && p[1] == '!')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	69 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	70 Token* t = new Token;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	71 t.start = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	72 t.type = TOK.Shebang;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	73 ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	74 while (1)
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	75 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	76 switch (*++p)
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	77 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	78 case '\r':
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	79 if (p[1] == '\n')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	80 ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	81 case '\n':
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	82 ++loc;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	83 if (p[-1] == '\r')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	84 t.end = p-1;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	85 else
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	86 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	87 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	88 case LS[0]:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	89 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	90 if (p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	91 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	92 ++p; ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	93 ++loc;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	94 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	95 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	96 case 0, _Z_:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	97 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	98 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	99 default:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	100 continue;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	101 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	102 break; // Exit loop.
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	103 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	104 this.head.next = t;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	105 t.prev = this.head;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	106 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	107 }
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	108
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	109 public void scan(out Token t)
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	110 in
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	111 {
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	112 assert(text.ptr <= p && p < end);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	113 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	114 out
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	115 {
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	116 assert(text.ptr <= t.start && t.start < end);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	117 assert(text.ptr < t.end && t.end <= end, std.string.format(t.type));
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	118 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	119 body
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	120 {
10 3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	121 uint c = *p;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	122
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	123 while (1)
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	124 {
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	125 t.start = p;
16 476e8e55c1d4 - Added Whitespace to the character properties table. aziz parents: 15 diff changeset	126
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	127 if (c == 0 \|\| c == _Z_)
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	128 {
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	129 assert(p == 0 \|\| p == _Z_);
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	130 t.type = TOK.EOF;
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	131 t.end = p;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	132 assert(t.start == t.end);
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	133 return;
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	134 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	135
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	136 if (c == '\n')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	137 {
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	138 c = *++p;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	139 ++loc;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	140 continue;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	141 }
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	142 else if (c == '\r')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	143 {
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	144 c = *++p;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	145 if (c != '\n')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	146 ++loc;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	147 continue;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	148 }
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	149 else if (c == LS[0] && p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	150 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	151 p += 3;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	152 c = *p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	153 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	154 }
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	155
13 e5211758b63c - Added isidbeg() function. aziz parents: 12 diff changeset	156 if (isidbeg(c))
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	157 {
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	158 if (c == 'r' && p[1] == '"' && ++p)
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	159 return scanRawStringLiteral(t);
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	160 if (c == 'x' && p[1] == '"')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	161 return scanHexStringLiteral(t);
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	162 Lidentifier:
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	163 do
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	164 { c = *++p; }
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	165 while (isident(c) \|\| c & 128 && isUniAlpha(decodeUTF8()))
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	166
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	167 t.end = p;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	168
65 6c21ae79fbb3 - Renamed function Token.span to Token.srcText. aziz parents: 64 diff changeset	169 string str = t.srcText;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	170 Identifier* id = str in idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	171
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	172 if (!id)
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	173 {
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	174 idtable[str] = Identifier.Identifier(TOK.Identifier, str);
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	175 id = str in idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	176 }
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	177 assert(id);
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	178 t.type = id.type;
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	179 return;
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	180 }
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	181
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	182 if (isdigit(c))
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	183 return scanNumber(t);
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	184
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	185 if (c == '/')
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	186 {
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	187 c = *++p;
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	188 switch(c)
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	189 {
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	190 case '=':
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	191 ++p;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	192 t.type = TOK.DivAssign;
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	193 t.end = p;
cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	194 return;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	195 case '+':
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	196 uint level = 1;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	197 while (1)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	198 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	199 c = *++p;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	200 LswitchNC: // only jumped to from default case of next switch(c)
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	201 switch (c)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	202 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	203 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	204 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	205 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	206 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	207 ++loc;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	208 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	209 case 0, _Z_:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	210 error(MID.UnterminatedNestedComment);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	211 goto LreturnNC;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	212 default:
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	213 }
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	214
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	215 c <<= 8;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	216 c \|= *++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	217 switch (c)
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	218 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	219 case 0x2F2B: // /+
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	220 ++level;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	221 continue;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	222 case 0x2B2F: // +/
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	223 if (--level == 0)
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	224 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	225 ++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	226 LreturnNC:
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	227 t.type = TOK.Comment;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	228 t.end = p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	229 return;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	230 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	231 continue;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	232 case 0xE280: // LS[0..1] \|\| PS[0..1]
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	233 if (p[1] == LS[2] \|\| p[1] == PS[2])
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	234 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	235 ++loc;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	236 ++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	237 }
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	238 continue;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	239 default:
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	240 c &= char.max;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	241 goto LswitchNC;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	242 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	243 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	244 case '*':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	245 while (1)
7 07e45c06a024 - Parsing nested comments correctly now. aziz parents: 5 diff changeset	246 {
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	247 c = *++p;
1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	248 LswitchBC: // only jumped to from default case of next switch(c)
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	249 switch (c)
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	250 {
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	251 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	252 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	253 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	254 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	255 ++loc;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	256 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	257 case 0, _Z_:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	258 error(MID.UnterminatedBlockComment);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	259 goto LreturnBC;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	260 default:
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	261 }
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	262
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	263 c <<= 8;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	264 c \|= *++p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	265 switch (c)
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	266 {
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	267 case 0x2A2F: // */
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	268 ++p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	269 LreturnBC:
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	270 t.type = TOK.Comment;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	271 t.end = p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	272 return;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	273 case 0xE280: // LS[0..1] \|\| PS[0..1]
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	274 if (p[1] == LS[2] \|\| p[1] == PS[2])
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	275 {
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	276 ++loc;
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	277 ++p;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	278 }
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	279 continue;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	280 default:
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	281 c &= char.max;
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	282 goto LswitchBC;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	283 }
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	284 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	285 assert(0);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	286 case '/':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	287 while (1)
7 07e45c06a024 - Parsing nested comments correctly now. aziz parents: 5 diff changeset	288 {
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	289 c = *++p;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	290 switch (c)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	291 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	292 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	293 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	294 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	295 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	296 case 0, _Z_:
11 dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	297 break;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	298 case LS[0]:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	299 if (p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	300 break;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	301 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	302 default:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	303 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	304 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	305 t.type = TOK.Comment;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	306 t.end = p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	307 return;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	308 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	309 default:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	310 t.type = TOK.Div;
10 3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	311 t.end = p;
3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	312 return;
3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	313 }
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	314 }
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	315
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	316 switch (c)
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	317 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	318 case '\'':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	319 return scanCharacterLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	320 case '`':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	321 return scanRawStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	322 case '"':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	323 return scanNormalStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	324 case '\\':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	325 char[] buffer;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	326 do
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	327 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	328 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	329 c = scanEscapeSequence();
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	330 if (c < 128)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	331 buffer ~= c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	332 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	333 encodeUTF8(buffer, c);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	334 } while (*p == '\\')
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	335 buffer ~= 0;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	336 t.type = TOK.String;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	337 t.str = buffer;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	338 t.end = p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	339 return;
38 640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	340 case '>': /* > >= >> >>= >>> >>>= */
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	341 c = *++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	342 switch (c)
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	343 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	344 case '=':
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	345 t.type = TOK.GreaterEqual;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	346 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	347 case '>':
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	348 if (p[1] == '>')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	349 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	350 ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	351 if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	352 { ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	353 t.type = TOK.URShiftAssign;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	354 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	355 else
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	356 t.type = TOK.URShift;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	357 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	358 else if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	359 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	360 ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	361 t.type = TOK.RShiftAssign;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	362 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	363 else
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	364 t.type = TOK.RShift;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	365 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	366 default:
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	367 t.type = TOK.Greater;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	368 goto Lcommon2;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	369 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	370 assert(0);
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	371 case '<': /* < <= <> <>= << <<= */
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	372 c = *++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	373 switch (c)
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	374 {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	375 case '=':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	376 t.type = TOK.LessEqual;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	377 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	378 case '<':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	379 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	380 ++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	381 t.type = TOK.LShiftAssign;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	382 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	383 else
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	384 t.type = TOK.LShift;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	385 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	386 case '>':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	387 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	388 ++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	389 t.type = TOK.LorEorG;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	390 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	391 else
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	392 t.type = TOK.LorG;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	393 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	394 default:
38 640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	395 t.type = TOK.Less;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	396 goto Lcommon2;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	397 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	398 assert(0);
37 7f3bcb97d017 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 36 diff changeset	399 case '!': /* ! !< !> !<= !>= !<> !<>= */
35 c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	400 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	401 switch (c)
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	402 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	403 case '<':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	404 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	405 if (c == '>')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	406 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	407 if (p[1] == '=') {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	408 ++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	409 t.type = TOK.Unordered;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	410 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	411 else
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	412 t.type = TOK.UorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	413 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	414 else if (c == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	415 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	416 t.type = TOK.UorG;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	417 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	418 else {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	419 t.type = TOK.UorGorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	420 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	421 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	422 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	423 case '>':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	424 if (p[1] == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	425 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	426 ++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	427 t.type = TOK.UorL;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	428 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	429 else
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	430 t.type = TOK.UorLorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	431 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	432 case '=':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	433 t.type = TOK.NotEqual;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	434 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	435 default:
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	436 t.type = TOK.Not;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	437 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	438 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	439 assert(0);
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	440 case '.': /* . .[0-9] .. ... */
22 b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	441 if (p[1] == '.')
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	442 {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	443 ++p;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	444 if (p[1] == '.') {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	445 ++p;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	446 t.type = TOK.Ellipses;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	447 }
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	448 else
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	449 t.type = TOK.Slice;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	450 }
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	451 else if (isdigit(p[1]))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	452 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	453 return scanReal(t);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	454 }
22 b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	455 else
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	456 t.type = TOK.Dot;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	457 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	458 case '\|': /* \| \|\| \|= */
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	459 c = *++p;
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	460 if (c == '=')
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	461 t.type = TOK.OrAssign;
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	462 else if (c == '\|')
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	463 t.type = TOK.OrLogical;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	464 else {
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	465 t.type = TOK.OrBinary;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	466 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	467 }
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	468 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	469 case '&': /* & && &= */
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	470 c = *++p;
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	471 if (c == '=')
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	472 t.type = TOK.AndAssign;
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	473 else if (c == '&')
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	474 t.type = TOK.AndLogical;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	475 else {
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	476 t.type = TOK.AndBinary;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	477 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	478 }
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	479 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	480 case '+': /* + ++ += */
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	481 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	482 if (c == '=')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	483 t.type = TOK.PlusAssign;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	484 else if (c == '+')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	485 t.type = TOK.PlusPlus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	486 else {
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	487 t.type = TOK.Plus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	488 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	489 }
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	490 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	491 case '-': /* - -- -= */
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	492 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	493 if (c == '=')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	494 t.type = TOK.MinusAssign;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	495 else if (c == '-')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	496 t.type = TOK.MinusMinus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	497 else {
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	498 t.type = TOK.Minus;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	499 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	500 }
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	501 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	502 case '=': /* = == */
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	503 if (p[1] == '=') {
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	504 ++p;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	505 t.type = TOK.Equal;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	506 }
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	507 else
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	508 t.type = TOK.Assign;
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 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 '~': /* ~ ~= */
27 43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	511 if (p[1] == '=') {
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	512 ++p;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	513 t.type = TOK.CatAssign;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	514 }
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	515 else
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	516 t.type = TOK.Tilde;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	517 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	518 case '': / * = /
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	519 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	520 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	521 t.type = TOK.MulAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	522 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	523 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	524 t.type = TOK.Mul;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	525 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	526 case '^': /* ^ ^= */
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	527 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	528 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	529 t.type = TOK.XorAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	530 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	531 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	532 t.type = TOK.Xor;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	533 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	534 case '%': /* % %= */
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	535 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	536 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	537 t.type = TOK.ModAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	538 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	539 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	540 t.type = TOK.Mod;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	541 goto Lcommon;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	542 // Single character tokens:
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	543 case '(':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	544 t.type = TOK.LParen;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	545 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	546 case ')':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	547 t.type = TOK.RParen;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	548 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	549 case '[':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	550 t.type = TOK.LBracket;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	551 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	552 case ']':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	553 t.type = TOK.RBracket;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	554 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	555 case '{':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	556 t.type = TOK.LBrace;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	557 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	558 case '}':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	559 t.type = TOK.RBrace;
21 c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	560 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	561 case ':':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	562 t.type = TOK.Colon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	563 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	564 case ';':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	565 t.type = TOK.Semicolon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	566 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	567 case '?':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	568 t.type = TOK.Question;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	569 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	570 case ',':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	571 t.type = TOK.Comma;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	572 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	573 case '$':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	574 t.type = TOK.Dollar;
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	575 Lcommon:
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	576 ++p;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	577 Lcommon2:
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	578 t.end = p;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	579 return;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	580 case '#':
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	581 return scanSpecialToken(t);
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	582 default:
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	583 }
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	584
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	585 if (c & 128 && isUniAlpha(decodeUTF8()))
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	586 goto Lidentifier;
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	587 c = *++p;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	588 }
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	589 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	590
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	591 void scanNormalStringLiteral(ref Token t)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	592 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	593 assert(*p == '"');
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	594 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	595 char[] buffer;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	596 t.type = TOK.String;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	597 while (1)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	598 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	599 switch (*p)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	600 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	601 case '"':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	602 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	603 Lreturn:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	604 buffer ~= 0;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	605 t.str = buffer;
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	606 t.pf = scanPostfix();
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	607 t.end = p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	608 return;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	609 case '\\':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	610 ++p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	611 dchar d = scanEscapeSequence();
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	612 if (d < 128)
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	613 buffer ~= d;
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	614 else
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	615 encodeUTF8(buffer, d);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	616 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	617 case '\r':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	618 if (p[1] == '\n')
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	619 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	620 case '\n':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	621 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	622 ++loc;
221 f26a2beb745e - Moved ++p below if-statement. aziz parents: 215 diff changeset	623 buffer ~= '\n'; // Convert EndOfLine to \n.
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	624 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	625 case 0, _Z_:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	626 error(MID.UnterminatedString);
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	627 goto Lreturn;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	628 default:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	629 if (*p & 128)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	630 {
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	631 // char* begin = p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	632 dchar d = decodeUTF8();
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	633 if (d == LSd \|\| d == PSd)
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	634 goto case '\n';
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	635
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	636 // We don't copy per pointer because we might include
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	637 // invalid, skipped utf-8 sequences. See decodeUTF8().
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	638 // ++p;
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	639 // buffer ~= begin[0 .. p - begin];
221 f26a2beb745e - Moved ++p below if-statement. aziz parents: 215 diff changeset	640 ++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	641 encodeUTF8(buffer, d);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	642 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	643 }
223 043722eed46e - Fix: if-statements should be while-statements. aziz parents: 221 diff changeset	644 // Copy ASCII character.
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	645 buffer ~= *p++;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	646 }
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	647 }
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	648 assert(0);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	649 }
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	650
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	651 void scanCharacterLiteral(ref Token t)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	652 {
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	653 assert(*p == '\'');
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	654 MID id = MID.UnterminatedCharacterLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	655 ++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	656 TOK type = TOK.CharLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	657 switch (*p)
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	658 {
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	659 case '\\':
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	660 ++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	661 switch (*p)
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	662 {
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	663 case 'u':
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	664 type = TOK.WCharLiteral; break;
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	665 case 'U':
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	666 type = TOK.DCharLiteral; break;
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	667 default:
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	668 }
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	669 t.dchar_ = scanEscapeSequence();
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	670 break;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	671 case '\'':
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	672 ++p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	673 id = MID.EmptyCharacterLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	674 case '\n', '\r', 0, _Z_:
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	675 goto Lerr;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	676 default:
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	677 uint c = *p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	678 if (c & 128)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	679 {
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	680 c = decodeUTF8();
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	681 if (c == LSd \|\| c == PSd)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	682 goto Lerr;
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	683 if (c <= 0xFFFF)
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	684 type = TOK.WCharLiteral;
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	685 else
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	686 type = TOK.DCharLiteral;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	687 }
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	688 t.dchar_ = c;
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	689 ++p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	690 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	691
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	692 if (*p == '\'')
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	693 ++p;
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	694 else
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	695 Lerr:
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	696 error(id);
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	697 t.type = type;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	698 t.end = p;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	699 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	700
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	701 char scanPostfix()
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	702 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	703 switch (*p)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	704 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	705 case 'c':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	706 case 'w':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	707 case 'd':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	708 return *p++;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	709 default:
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	710 return 0;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	711 }
112 004d98df65af - Implemented parseInterfaceDeclaration(). aziz parents: 105 diff changeset	712 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	713 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	714
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	715 void scanRawStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	716 {
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	717 uint delim = *p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	718 assert(delim == '`' \|\| delim == '"' && p[-1] == 'r');
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	719 t.type = TOK.String;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	720 char[] buffer;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	721 uint c;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	722 while (1)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	723 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	724 c = *++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	725 switch (c)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	726 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	727 case '\r':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	728 if (p[1] == '\n')
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	729 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	730 c = '\n'; // Convert '\r' and '\r\n' to '\n'
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	731 case '\n':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	732 ++loc;
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	733 break;
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	734 case '`':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	735 case '"':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	736 if (c == delim)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	737 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	738 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	739 t.pf = scanPostfix();
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	740 Lreturn:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	741 t.str = buffer ~ '\0';
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	742 t.end = p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	743 return;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	744 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	745 break;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	746 case LS[0]:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	747 if (p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	748 {
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	749 c = '\n';
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	750 ++p; ++p;
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	751 ++loc;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	752 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	753 break;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	754 case 0, _Z_:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	755 if (delim == 'r')
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	756 error(MID.UnterminatedRawString);
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	757 else
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	758 error(MID.UnterminatedBackQuoteString);
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	759 goto Lreturn;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	760 default:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	761 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	762 buffer ~= c; // copy character to buffer
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	763 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	764 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	765 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	766
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	767 void scanHexStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	768 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	769 assert(p[0] == 'x' && p[1] == '"');
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	770 t.type = TOK.String;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	771
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	772 uint c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	773 ubyte[] buffer;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	774 ubyte h; // hex number
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	775 uint n; // number of hex digits
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	776
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	777 ++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	778 while (1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	779 {
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	780 c = *++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	781 switch (c)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	782 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	783 case '"':
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	784 ++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	785 if (n & 1)
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	786 error(MID.OddNumberOfDigitsInHexString);
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	787 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	788 Lreturn:
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	789 buffer ~= 0;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	790 t.str = cast(string) buffer;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	791 t.end = p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	792 return;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	793 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	794 if (p[1] == '\n')
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	795 ++p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	796 case '\n':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	797 ++loc;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	798 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	799 default:
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	800 if (ishexad(c))
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	801 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	802 if (c <= '9')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	803 c -= '0';
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	804 else if (c <= 'F')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	805 c -= 'A' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	806 else
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	807 c -= 'a' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	808
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	809 if (n & 1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	810 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	811 h <<= 4;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	812 h \|= c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	813 buffer ~= h;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	814 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	815 else
112 004d98df65af - Implemented parseInterfaceDeclaration(). aziz parents: 105 diff changeset	816 h = cast(ubyte)c;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	817 ++n;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	818 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	819 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	820 else if (isspace(c))
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	821 continue;
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	822
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	823 if (c >= 128)
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	824 {
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	825 c = decodeUTF8();
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	826 if (c == LSd \|\| c == PSd)
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	827 {
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	828 ++p; ++p;
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	829 ++loc;
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	830 continue;
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	831 }
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	832 }
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	833 else if (c == 0 \|\| c == _Z_)
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	834 {
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	835 error(MID.UnterminatedHexString);
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	836 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	837 goto Lreturn;
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	838 }
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	839 error(MID.NonHexCharInHexString, cast(dchar)c);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	840 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	841 }
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	842 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	843 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	844
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	845 dchar scanEscapeSequence()
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	846 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	847 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	848 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	849 {
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	850 ++p;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	851 return c;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	852 }
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	853 uint digits = 2;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	854
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	855 switch (*p)
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	856 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	857 case 'x':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	858 c = 0;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	859 while (1)
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	860 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	861 ++p;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	862 if (ishexad(*p))
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	863 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	864 c *= 16;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	865 if (*p <= '9')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	866 c += *p - '0';
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	867 else if (*p <= 'F')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	868 c += *p - 'A' + 10;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	869 else
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	870 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	871
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	872 if (!--digits)
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	873 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	874 ++p;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	875 break;
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	876 }
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	877 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	878 else
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	879 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	880 error(MID.InsufficientHexDigits);
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	881 break;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	882 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	883 }
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	884 if (!isValidDchar(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	885 error(MID.InvalidUnicodeCharacter);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	886 break;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	887 case 'u':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	888 digits = 4;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	889 goto case 'x';
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	890 case 'U':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	891 digits = 8;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	892 goto case 'x';
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	893 default:
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	894 if (isoctal(*p))
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	895 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	896 c = 0;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	897 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	898 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	899 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	900 return c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	901 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	902 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	903 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	904 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	905 return c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	906 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	907 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	908 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	909 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	910 else if(*p == '&')
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	911 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	912 if (isalpha(*++p))
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	913 {
272 0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	914 auto begin = p;
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	915 while (isalnum(*++p))
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	916 {}
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	917
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	918 if (*p == ';')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	919 {
272 0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	920 c = entity2Unicode(begin[0..p - begin]);
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	921 ++p;
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	922 if (c == 0xFFFF)
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	923 error(MID.UndefinedHTMLEntity, (begin-1)[0..p-(begin-1)]);
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	924 }
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	925 else
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	926 error(MID.UnterminatedHTMLEntity);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	927 }
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	928 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	929 error(MID.InvalidBeginHTMLEntity);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	930 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	931 else
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	932 error(MID.UndefinedEscapeSequence);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	933 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	934
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	935 return c;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	936 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	937
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	938 /*
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	939 IntegerLiteral:= (Dec\|Hex\|Bin\|Oct)Suffix?
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	940 Dec:= (0\|[1-9][0-9_]*)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	941 Hex:= 0[xX] HexDigits
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	942 Bin:= 0[bB][01_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	943 Oct:= 0[0-7_]+
68 7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	944 Suffix:= (L[uU]?\|[uU]L?)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	945 HexDigits:= [0-9a-zA-Z_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	946
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	947 Invalid: "0b_", "0x_", "._"
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	948 */
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	949 void scanNumber(ref Token t)
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	950 {
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	951 ulong ulong_;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	952 bool overflow;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	953 bool isDecimal;
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	954 size_t digits;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	955
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	956 if (*p != '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	957 goto LscanInteger;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	958 ++p; // skip zero
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	959 // check for xX bB ...
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	960 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	961 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	962 case 'x','X':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	963 goto LscanHex;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	964 case 'b','B':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	965 goto LscanBin;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	966 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	967 if (p[1] == 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	968 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	969 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	970 if (p[1] == '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	971 break;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	972 case 'i','f','F', 'e', 'E': // Imaginary and float literal suffix
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	973 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	974 default:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	975 if (p == '_' \|\| isoctal(p))
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	976 goto LscanOct;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	977 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	978
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	979 // Number 0
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	980 assert(p[-1] == '0');
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	981 assert(ulong_ == 0);
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	982 isDecimal = true;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	983 goto Lfinalize;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	984
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	985 LscanInteger:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	986 assert(p != 0 && isdigit(p));
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	987 isDecimal = true;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	988 goto Lenter_loop_int;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	989 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	990 {
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	991 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	992 continue;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	993 if (!isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	994 break;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	995 Lenter_loop_int:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	996 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	997 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	998 ulong_ *= 10;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	999 ulong_ += *p - '0';
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1000 continue;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1001 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1002 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1003 overflow = true;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1004 while (isdigit(*++p)) {}
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1005 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1006 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1007
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1008 // 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	1009 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1010 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1011 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1012 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1013 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1014 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1015 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1016 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1017 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1018 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1019 goto LscanReal;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1020 default:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1021 }
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1022
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1023 if (overflow)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1024 error(MID.OverflowDecimalNumber);
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1025
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1026 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	1027 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1028
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1029 LscanHex:
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1030 assert(digits == 0);
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1031 assert(*p == 'x');
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1032 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1033 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1034 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1035 continue;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1036 if (!ishexad(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1037 break;
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1038 ++digits;
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1039 ulong_ *= 16;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1040 if (*p <= '9')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1041 ulong_ += *p - '0';
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1042 else if (*p <= 'F')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1043 ulong_ += *p - 'A' + 10;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1044 else
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1045 ulong_ += *p - 'a' + 10;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1046 }
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1047
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1048 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1049 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1050 case '.':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1051 if (p[1] != '.')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1052 goto LscanHexReal;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1053 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1054 case 'L':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1055 if (p[1] != 'i')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1056 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1057 case 'i', 'p', 'P':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1058 goto LscanHexReal;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1059 default:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1060 }
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1061 if (digits == 0)
59 3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1062 error(MID.NoDigitsInHexNumber);
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1063 else if (digits > 16)
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1064 {
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1065 // Overflow: skip following digits.
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1066 error(MID.OverflowHexNumber);
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1067 while (ishexad(*++p)) {}
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1068 }
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1069 goto Lfinalize;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1070 LscanHexReal:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1071 return scanHexReal(t);
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1072
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1073 LscanBin:
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1074 assert(digits == 0);
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1075 assert(*p == 'b');
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1076 while (1)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1077 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1078 if (*++p == '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1079 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1080 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1081 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1082 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1083 if (*p == '1')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1084 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1085 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1086 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1087 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1088 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1089 if (*p == '_')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1090 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1091 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1092 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1093
59 3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1094 if (digits == 0)
3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1095 error(MID.NoDigitsInBinNumber);
3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1096
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1097 if (digits > 64)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1098 error(MID.OverflowBinaryNumber);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1099 assert((p[-1] == '0' \|\| p[-1] == '1' \|\| p[-1] == '_') && !(p == '0' \|\| p == '1' \|\| *p == '_'));
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1100 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1101
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1102 LscanOct:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1103 assert(p == '_' \|\| isoctal(p));
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1104 if (*p != '_')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1105 goto Lenter_loop_oct;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1106 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1107 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1108 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1109 continue;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1110 if (!isoctal(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1111 break;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1112 Lenter_loop_oct:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1113 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	1114 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1115 ulong_ *= 8;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1116 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1117 ++p;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1118 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1119 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1120 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1121 overflow = true;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1122 while (isdigit(*++p)) {}
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1123 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1124 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1125
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1126 bool hasDecimalDigits;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1127 if (isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1128 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1129 hasDecimalDigits = true;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1130 while (isdigit(*++p)) {}
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1131 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1132
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1133 // 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	1134 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1135 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1136 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1137 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1138 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1139 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1140 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1141 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1142 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1143 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1144 goto LscanReal;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1145 default:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1146 }
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1147
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1148 if (hasDecimalDigits)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1149 error(MID.OctalNumberHasDecimals);
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1150 if (overflow)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1151 error(MID.OverflowOctalNumber);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1152 // goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1153
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1154 Lfinalize:
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1155 enum Suffix
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1156 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1157 None = 0,
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1158 Unsigned = 1,
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1159 Long = 2
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1160 }
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1161
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1162 Suffix suffix;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1163 while (1)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1164 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1165 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1166 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1167 case 'L':
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1168 if (suffix & Suffix.Long)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1169 break;
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1170 suffix \|= Suffix.Long;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1171 ++p;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1172 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1173 case 'u', 'U':
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1174 if (suffix & Suffix.Unsigned)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1175 break;
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1176 suffix \|= Suffix.Unsigned;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1177 ++p;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1178 continue;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1179 default:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1180 break;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1181 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1182 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1183 }
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1184
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1185 switch (suffix)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1186 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1187 case Suffix.None:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1188 if (ulong_ & 0x8000000000000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1189 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1190 if (isDecimal)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1191 error(MID.OverflowDecimalSign);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1192 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1193 }
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1194 else if (ulong_ & 0xFFFFFFFF00000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1195 t.type = TOK.Int64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1196 else if (ulong_ & 0x80000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1197 t.type = isDecimal ? TOK.Int64 : TOK.Uint32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1198 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1199 t.type = TOK.Int32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1200 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1201 case Suffix.Unsigned:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1202 if (ulong_ & 0xFFFFFFFF00000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1203 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1204 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1205 t.type = TOK.Uint32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1206 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1207 case Suffix.Long:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1208 if (ulong_ & 0x8000000000000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1209 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1210 if (isDecimal)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1211 error(MID.OverflowDecimalSign);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1212 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1213 }
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1214 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1215 t.type = TOK.Int64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1216 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1217 case Suffix.Unsigned \| Suffix.Long:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1218 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1219 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1220 default:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1221 assert(0);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1222 }
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1223 t.ulong_ = ulong_;
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1224 t.end = p;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1225 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1226 LscanReal:
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1227 scanReal(t);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1228 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1229 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1230
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1231 /*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1232 FloatLiteral:= Float[fFL]?i?
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1233 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	1234 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	1235 DecExponent:= [eE][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1236 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	1237 HexExponent:= [pP][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1238 */
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1239 void scanReal(ref Token t)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1240 {
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1241 if (*p == '.')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1242 // This function was called by scan() or scanNumber().
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1243 while (isdigit(++p) \|\| p == '_') {}
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1244 else
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1245 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1246 // This function was called by scanNumber().
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1247 debug switch (*p)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1248 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1249 case 'L':
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1250 if (p[1] != 'i')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1251 assert(0);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1252 case 'i', 'f', 'F', 'e', 'E': break;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1253 default: assert(0);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1254 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1255 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1256
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1257 // Scan exponent.
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1258 if (p == 'e' \|\| p == 'E')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1259 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1260 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1261 if (p == '-' \|\| p == '+')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1262 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1263 if (!isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1264 error(MID.FloatExponentDigitExpected);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1265 else
64 dd4c5a0e47dd - Improved while loop. aziz parents: 63 diff changeset	1266 while (isdigit(++p) \|\| p == '_') {}
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1267 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1268
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1269 // Copy string to buffer ignoring underscores.
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1270 char[] buffer;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1271 char* end = p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1272 p = t.start;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1273 do
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1274 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1275 if (*p == '_')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1276 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1277 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1278 continue;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1279 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1280 buffer ~= *p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1281 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1282 } while (p != end)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1283 buffer ~= 0;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1284 finalizeFloat(t, buffer);
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1285 }
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1286
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1287 void scanHexReal(ref Token t)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1288 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1289 assert(p == '.' \|\| p == 'i' \|\| p == 'p' \|\| p == 'P' \|\| (*p == 'L' && p[1] == 'i'));
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1290 MID mid;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1291 if (*p == '.')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1292 while (ishexad(++p) \|\| p == '_') {}
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1293 if (p != 'p' && p != 'P')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1294 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1295 mid = MID.HexFloatExponentRequired;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1296 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1297 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1298 // Copy mantissa to a buffer ignoring underscores.
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1299 char* end = p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1300 p = t.start;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1301 char[] buffer;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1302 do
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1303 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1304 if (*p == '_')
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1305 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1306 ++p;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1307 continue;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1308 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1309 buffer ~= *p;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1310 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1311 } while (p != end)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1312
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1313 assert(p == end && (p == 'p' \|\| p == 'P'));
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1314 // Scan and copy the exponent.
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1315 buffer ~= 'p';
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1316 size_t bufflen = buffer.length;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1317 while (1)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1318 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1319 if (*++p == '_')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1320 continue;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1321 if (isdigit(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1322 buffer ~= *p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1323 else
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1324 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1325 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1326 // When the buffer length hasn't changed, no digits were copied.
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1327 if (bufflen == buffer.length) {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1328 mid = MID.HexFloatMissingExpDigits;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1329 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1330 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1331 buffer ~= 0; // Terminate for C functions.
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1332 finalizeFloat(t, buffer);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1333 return;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1334 Lerr:
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1335 t.type = TOK.Float32;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1336 t.end = p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1337 error(mid);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1338 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1339
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1340 void finalizeFloat(ref Token t, string buffer)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1341 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1342 // 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	1343 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1344 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1345 case 'f', 'F':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1346 t.type = TOK.Float32;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1347 t.float_ = strtof(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1348 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1349 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1350 case 'L':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1351 t.type = TOK.Float80;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1352 t.real_ = strtold(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1353 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1354 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1355 default:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1356 t.type = TOK.Float64;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1357 t.double_ = strtod(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1358 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1359 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1360 if (*p == 'i')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1361 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1362 ++p;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1363 t.type += 3; // Switch to imaginary counterpart.
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1364 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1365 if (getErrno == ERANGE)
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1366 error(MID.OverflowFloatNumber);
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1367 t.end = p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1368 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1369
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1370 /// Scan special token: #line Integer [Filespec] EndOfLine
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1371 void scanSpecialToken(ref Token t)
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1372 {
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	1373 assert(*p == '#');
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1374
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1375 t.type = TOK.HashLine;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1376
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1377 MID mid;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1378
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1379 ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1380 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	1381 {
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1382 mid = MID.ExpectedNumberAfterSTLine;
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1383 goto Lerr;
cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1384 }
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1385 p += 3;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1386
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1387 enum State
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1388 { Number, Filespec, End }
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1389
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1390 State state;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1391
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1392 Loop:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1393 while (1)
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1394 {
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1395 switch (*++p)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1396 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1397 case '\r':
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1398 if (p[1] == '\n')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1399 ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1400 case '\n', 0, _Z_:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1401 break Loop;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1402 case LS[0]:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1403 if (p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1404 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1405 ++p; ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1406 break Loop;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1407 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1408 goto default;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1409 default:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1410 if (isspace(*p))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1411 continue;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1412 if (state == State.Number)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1413 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1414 if (!isdigit(*p))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1415 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1416 mid = MID.ExpectedNumberAfterSTLine;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1417 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1418 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1419 t.line_num = new Token;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1420 scan(*t.line_num);
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1421 --p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1422 state = State.Filespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1423 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1424 else if (state == State.Filespec)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1425 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1426 if (*p != '"')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1427 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1428 mid = MID.ExpectedFilespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1429 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1430 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1431 t.line_filespec = new Token;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1432 t.line_filespec.start = p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1433 t.line_filespec.type = TOK.Filespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1434 while (1)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1435 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1436 switch (*++p)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1437 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1438 case '"':
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1439 break;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1440 case LS[0]:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1441 if (!(p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2])))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1442 goto default;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1443 case '\r', '\n', 0, _Z_:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1444 mid = MID.UnterminatedFilespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1445 t.line_filespec.end = p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1446 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1447 default:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1448 if (*p & 128)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1449 decodeUTF8();
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1450 continue;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1451 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1452 break; // Exit loop.
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1453 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1454 auto start = t.line_filespec.start +1; // +1 skips '"'
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1455 t.line_filespec.str = start[0 .. p - start];
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1456 t.line_filespec.end = p + 1;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1457 state = State.End;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1458 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1459 else/+ if (state == State.End)+/
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1460 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1461 mid = MID.UnterminatedSpecialToken;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1462 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1463 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1464 }
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1465 }
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1466
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1467 if (state == State.Number)
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1468 {
cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1469 mid = MID.ExpectedNumberAfterSTLine;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1470 goto Lerr;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1471 }
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1472
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1473 this.loc = t.line_num.uint_ - 1;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1474 if (t.line_filespec)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1475 this.fileName = t.line_filespec.str;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1476 t.end = p;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1477
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1478 return;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1479 Lerr:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1480 t.end = p;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1481 error(mid);
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1482 }
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1483
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	1484 dchar decodeUTF8()
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1485 {
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1486 assert(*p & 128, "check for ASCII char before calling decodeUTF8().");
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1487 size_t idx;
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	1488 dchar d;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1489 try
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1490 {
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1491 d = std.utf.decode(p[0 .. end-p], idx);
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1492 p += idx -1;
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1493 }
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1494 catch (UtfException e)
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1495 {
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1496 error(MID.InvalidUTF8Sequence);
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1497 // Skip to next valid utf-8 sequence
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1498 while (UTF8stride[*++p] != 0xFF) {}
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	1499 --p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1500 }
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1501 return d;
0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1502 }
0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1503
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1504 void loadKeywords()
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1505 {
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1506 foreach(k; keywords)
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1507 idtable[k.str] = k;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1508 }
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1509 /+
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1510 struct State
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1511 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1512 Lexer lexer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1513 Token token;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1514 char* scanPointer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1515 int loc;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1516 string fileName;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1517 size_t errorLen;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1518 static State opCall(Lexer lx)
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1519 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1520 State s;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1521 s.lexer = lx;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1522 s.token = lx.token;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1523 s.scanPointer = lx.p;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1524 s.loc = lx.loc;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1525 s.fileName = lx.fileName;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1526 s.errorLen = lx.errors.length;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1527 return s;
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1528 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1529 void restore()
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1530 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1531 lexer.p = scanPointer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1532 lexer.token = token;
921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1533 lexer.loc = loc;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1534 lexer.fileName = fileName;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1535 lexer.errors = lexer.errors[0..errorLen];
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1536 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1537 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1538
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1539 State getState()
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1540 {
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1541 return State(this);
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1542 }
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1543 +/
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1544
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1545 private void scanNext(ref Token* t)
103 511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	1546 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1547 assert(t !is null);
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1548 if (t.next)
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1549 t = t.next;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1550 else if (t.type != TOK.EOF)
103 511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	1551 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1552 Token* new_t = new Token;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1553 scan(*new_t);
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1554 new_t.prev = t;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1555 t.next = new_t;
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1556 t = new_t;
103 511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	1557 }
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1558 }
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1559
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1560 void peek(ref Token* t)
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1561 {
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1562 scanNext(t);
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1563 }
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1564
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1565 TOK nextToken()
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1566 {
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1567 scanNext(this.token);
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1568 return this.token.type;
103 511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	1569 }
511a1aa25896 - Added reportErrors member to Lexer. Moved peek() down and rewrote it a bit making use of reportErrors. error() uses reportErrors too. aziz parents: 94 diff changeset	1570
66 8e84db78ad55 - Added support for variadic arguments in error messages. aziz parents: 65 diff changeset	1571 void error(MID id, ...)
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1572 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1573 // if (reportErrors)
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1574 errors ~= new Information(InfoType.Lexer, id, loc, arguments(_arguments, _argptr));
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1575 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1576
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1577 unittest
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1578 {
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1579 string sourceText = "unittest { }";
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1580 auto lx = new Lexer(sourceText, null);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1581
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1582 Token next;
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1583 lx.peek(next);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1584 assert(next == TOK.Unittest);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1585 lx.peek(next);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1586 assert(next == TOK.LBrace);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1587 lx.peek(next);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1588 assert(next == TOK.RBrace);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1589 lx.peek(next);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1590 assert(next == TOK.EOF);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1591 writefln("end of peek() unittest");
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1592 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1593
306 9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1594 Token* getTokens()
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	1595 {
306 9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1596 while (nextToken() != TOK.EOF)
9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1597 {}
9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1598 return head;
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	1599 }
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1600
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1601 private void encodeUTF8(inout char[] str, dchar d)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1602 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1603 char[6] b;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1604 assert(d > 0x7F, "check for ASCII char before calling encodeUTF8().");
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1605 if (d < 0x800)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1606 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1607 b[0] = 0xC0 \| (d >> 6);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1608 b[1] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1609 str ~= b[0..2];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1610 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1611 else if (d < 0x10000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1612 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1613 b[0] = 0xE0 \| (d >> 12);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1614 b[1] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1615 b[2] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1616 str ~= b[0..3];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1617 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1618 else if (d < 0x200000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1619 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1620 b[0] = 0xF0 \| (d >> 18);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1621 b[1] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1622 b[2] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1623 b[3] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1624 str ~= b[0..4];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1625 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1626 else if (d < 0x4000000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1627 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1628 b[0] = 0xF8 \| (d >> 24);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1629 b[1] = 0x80 \| ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1630 b[2] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1631 b[3] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1632 b[4] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1633 str ~= b[0..5];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1634 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1635 else if (d < 0x80000000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1636 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1637 b[0] = 0xFC \| (d >> 30);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1638 b[1] = 0x80 \| ((d >> 24) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1639 b[2] = 0x80 \| ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1640 b[3] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1641 b[4] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1642 b[5] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1643 str ~= b[0..6];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1644 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1645 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1646 error(MID.InvalidUnicodeCharacter);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1647 }
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	1648 }
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1649
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1650 unittest
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1651 {
40 9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1652 string[] toks = [
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1653 ">", ">=", ">>", ">>=", ">>>", ">>>=", "<", "<=", "<>",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1654 "<>=", "<<", "<<=", "!", "!<", "!>", "!<=", "!>=", "!<>",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1655 "!<>=", ".", "..", "...", "&", "&&", "&=", "+", "++",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1656 "+=", "-", "--", "-=", "=", "==", "~", "~=", "*",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1657 "*=", "/", "/=", "^", "^=", "%", "%=", "(", ")",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1658 "[", "]", "{", "}", ":", ";", "?", ",", "$"
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1659 ];
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1660
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1661 char[] src;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1662
40 9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1663 foreach (op; toks)
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1664 src ~= op ~ " ";
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1665
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1666 auto lx = new Lexer(src, "");
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1667 auto tokens = lx.getTokens();
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1668
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1669 tokens = tokens[0..$-1]; // exclude TOK.EOF
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1670
40 9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1671 assert(tokens.length == toks.length );
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1672
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1673 foreach (i, t; tokens)
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1674 assert(t.srcText == toks[i], std.string.format("Lexed '%s' but expected '%s'", t.srcText, toks[i]));
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	1675 }
55 5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1676
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	1677 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	1678 {
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	1679 // Numbers unittest
68 7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1680 // 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	1681 // 0u 0U 0uL 0UL 0L 0LU 0Lu
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1682 // 0Li 0f 0F 0fi 0Fi 0i
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1683 // 0b_1_LU 0b1000u
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1684 // 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	1685 }
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	1686
55 5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1687 /// ASCII character properties table.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1688 static const int ptable[256] = [
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1689 0, 0, 0, 0, 0, 0, 0, 0, 0,32, 0,32,32, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1690 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1691 32, 0, 0x2200, 0, 0, 0, 0, 0x2700, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1692 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 0, 0, 0, 0, 0, 0x3f00,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1693 0,12,12,12,12,12,12, 8, 8, 8, 8, 8, 8, 8, 8, 8,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1694 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 0, 0x5c00, 0, 0,16,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1695 0, 0x70c, 0x80c,12,12,12, 0xc0c, 8, 8, 8, 8, 8, 8, 8, 0xa08, 8,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1696 8, 8, 0xd08, 8, 0x908, 8, 0xb08, 8, 8, 8, 8, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1697 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1698 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1699 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1700 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1701 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1702 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1703 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1704 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1705 ];
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1706
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1707 enum CProperty
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1708 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1709 Octal = 1,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1710 Digit = 1<<1,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1711 Hex = 1<<2,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1712 Alpha = 1<<3,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1713 Underscore = 1<<4,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1714 Whitespace = 1<<5
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1715 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1716
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1717 const uint EVMask = 0xFF00; // Bit mask for escape value
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1718
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1719 private alias CProperty CP;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1720 int isoctal(char c) { return ptable[c] & CP.Octal; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1721 int isdigit(char c) { return ptable[c] & CP.Digit; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1722 int ishexad(char c) { return ptable[c] & CP.Hex; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1723 int isalpha(char c) { return ptable[c] & CP.Alpha; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1724 int isalnum(char c) { return ptable[c] & (CP.Alpha \| CP.Digit); }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1725 int isidbeg(char c) { return ptable[c] & (CP.Alpha \| CP.Underscore); }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1726 int isident(char c) { return ptable[c] & (CP.Alpha \| CP.Underscore \| CP.Digit); }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1727 int isspace(char c) { return ptable[c] & CP.Whitespace; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1728 int char2ev(char c) { return ptable[c] >> 8; /(ptable[c] & EVMask) >> 8;/ }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1729
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1730 version(gen_ptable)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1731 static this()
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1732 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1733 alias ptable p;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1734 // Initialize character properties table.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1735 for (int i; i < p.length; ++i)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1736 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1737 p[i] = 0;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1738 if ('0' <= i && i <= '7')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1739 p[i] \|= CP.Octal;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1740 if ('0' <= i && i <= '9')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1741 p[i] \|= CP.Digit;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1742 if (isdigit(i) \|\| 'a' <= i && i <= 'f' \|\| 'A' <= i && i <= 'F')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1743 p[i] \|= CP.Hex;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1744 if ('a' <= i && i <= 'z' \|\| 'A' <= i && i <= 'Z')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1745 p[i] \|= CP.Alpha;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1746 if (i == '_')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1747 p[i] \|= CP.Underscore;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1748 if (i == ' ' \|\| i == '\t' \|\| i == '\v' \|\| i == '\f')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1749 p[i] \|= CP.Whitespace;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1750 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1751 // Store escape sequence values in second byte.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1752 assert(CProperty.max <= ubyte.max, "character property flags and escape value byte overlap.");
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1753 p['\''] \|= 39 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1754 p['"'] \|= 34 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1755 p['?'] \|= 63 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1756 p['\\'] \|= 92 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1757 p['a'] \|= 7 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1758 p['b'] \|= 8 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1759 p['f'] \|= 12 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1760 p['n'] \|= 10 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1761 p['r'] \|= 13 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1762 p['t'] \|= 9 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1763 p['v'] \|= 11 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1764 // Print a formatted array literal.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1765 char[] array = "[\n";
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1766 for (int i; i < p.length; ++i)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1767 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1768 int c = p[i];
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1769 array ~= std.string.format(c>255?" 0x%x,":"%2d,", c, ((i+1) % 16) ? "":"\n");
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1770 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1771 array[$-2..$] = "\n]";
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1772 writefln(array);
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1773 }

Mercurial > projects > dil

annotate trunk/src/Lexer.d @ 323:6259fb93e3dd