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

annotate trunk/src/dil/Lexer.d @ 382:66477017cb95

Applied fixes to isNonReservedIdentifier(). Return false if ident is empty. Before entering the foreach loop, it must be checked if ident starts with a valid identifier character.

author	Aziz K?ksal <aziz.koeksal@gmail.com>
date	Mon, 10 Sep 2007 17:36:58 +0200
parents	01887f05d4b0
children	6a5fc22cae34

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 +/
326 4a7359b88c11 - Added package 'dil' to module declarations. aziz parents: 325 diff changeset	5 module dil.Lexer;
327 a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	6 import dil.Token;
a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	7 import dil.Information;
a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	8 import dil.Keywords;
a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	9 import dil.Identifier;
a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	10 import dil.Messages;
a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	11 import dil.HtmlEntities;
343 95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	12 import dil.Settings;
2 81c6cc33f5c8 - Initializing ptable with a precomputed array literal. aziz parents: 1 diff changeset	13 import std.stdio;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	14 import std.utf;
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	15 import std.uni;
343 95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	16 import std.c.stdlib : strtof, strtod, strtold, getErrno, ERANGE;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	17 import std.c.time : time_t, time, ctime;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	18 import std.c.string : strlen;
66 8e84db78ad55 - Added support for variadic arguments in error messages. aziz parents: 65 diff changeset	19 import std.string;
0 8ba2570de175 Initial import. aziz parents: diff changeset	20
11 dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	21 const char[3] LS = \u2028;
dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	22 const char[3] PS = \u2029;
dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	23
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	24 const dchar LSd = 0x2028;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	25 const dchar PSd = 0x2029;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	26
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	27 const uint _Z_ = 26; /// Control+Z
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	28
0 8ba2570de175 Initial import. aziz parents: diff changeset	29 class Lexer
8ba2570de175 Initial import. aziz parents: diff changeset	30 {
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 Token* head; /// The head of the doubly linked token list.
344 757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	32 Token* tail; /// The tail of the linked list. Set in scan().
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	33 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	34 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	35 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	36 char* end; /// Points one character past the end of the source text.
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	37
371 01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	38 uint loc = 1; /// Actual line of code.
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	39
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	40 uint loc_old; /// Store actual line number when #line token is parsed.
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	41 uint loc_hline; /// Line number set by #line.
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	42
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	43 char[] fileName;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	44
69 24db7c5522d5 - Added module Information for compiler messages like warnings, info and errors to the user. aziz parents: 68 diff changeset	45 Information[] errors;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	46
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	47 // 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	48
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	49 Identifier[string] idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	50
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	51 this(string text, string fileName)
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	52 {
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	53 this.fileName = fileName;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	54
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	55 this.text = text;
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	56 if (text[$-1] != 0)
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	57 {
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	58 this.text.length = this.text.length + 1;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	59 this.text[$-1] = 0;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	60 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	61
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	62 this.p = this.text.ptr;
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	63 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	64 // this.reportErrors = true;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	65 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	66
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	67 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	68 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	69 this.token = this.head;
315 29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	70 scanShebang();
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	71 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	72
344 757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	73 ~this()
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	74 {
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	75 auto token = head.next;
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	76 do
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	77 {
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	78 assert(token.type == TOK.EOF ? token == tail && token.next is null : 1);
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	79 delete token.prev;
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	80 token = token.next;
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	81 } while (token !is null)
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	82 delete tail;
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	83 }
757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	84
315 29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	85 void scanShebang()
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	86 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	87 if (*p == '#' && p[1] == '!')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	88 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	89 Token* t = new Token;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	90 t.start = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	91 t.type = TOK.Shebang;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	92 ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	93 while (1)
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 switch (*++p)
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	96 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	97 case '\r':
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	98 if (p[1] == '\n')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	99 ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	100 case '\n':
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	101 ++loc;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	102 if (p[-1] == '\r')
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	103 t.end = p-1;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	104 else
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	105 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	106 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	107 case LS[0]:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	108 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	109 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	110 {
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	111 ++p; ++p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	112 ++loc;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	113 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	114 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	115 case 0, _Z_:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	116 t.end = p;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	117 break;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	118 default:
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	119 continue;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	120 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	121 break; // Exit loop.
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	122 }
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	123 this.head.next = t;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	124 t.prev = this.head;
29c33ce6c5bb - Added method scanShebang to class Lexer. aziz parents: 309 diff changeset	125 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	126 }
92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	127
343 95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	128 void finalizeSpecialToken(ref Token t)
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	129 {
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	130 assert(t.srcText[0..2] == "__");
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	131 switch (t.type)
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	132 {
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	133 case TOK.FILE:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	134 t.str = this.fileName;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	135 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	136 case TOK.LINE:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	137 t.uint_ = this.loc;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	138 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	139 case TOK.DATE,
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	140 TOK.TIME,
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	141 TOK.TIMESTAMP:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	142 time_t time_val;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	143 time(&time_val);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	144 char* str = ctime(&time_val);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	145 char[] time_str = str[0 .. strlen(str)];
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	146 switch (t.type)
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	147 {
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	148 case TOK.DATE:
346 ce9e2e77743f - Fix: include one space when slicing time_str for __DATE__. aziz parents: 344 diff changeset	149 time_str = time_str[4..11] ~ time_str[20..24] ~ \0; break;
343 95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	150 case TOK.TIME:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	151 time_str = time_str[11..19] ~ \0; break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	152 case TOK.TIMESTAMP:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	153 time_str = time_str[0..24] ~ \0; break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	154 default: assert(0);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	155 }
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	156 t.str = time_str;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	157 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	158 case TOK.VENDOR:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	159 t.str = VENDOR;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	160 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	161 case TOK.VERSION:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	162 t.uint_ = VERSION_MAJOR*1000 + VERSION_MINOR;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	163 break;
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	164 default:
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	165 assert(0);
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	166 }
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	167 }
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	168
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	169 public void scan(out Token t)
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	170 in
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	171 {
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	172 assert(text.ptr <= p && p < end);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	173 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	174 out
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	175 {
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	176 assert(text.ptr <= t.start && t.start < end);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	177 assert(text.ptr < t.end && t.end <= end, std.string.format(t.type));
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	178 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	179 body
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	180 {
10 3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	181 uint c = *p;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	182
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	183 while (1)
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	184 {
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	185 t.start = p;
16 476e8e55c1d4 - Added Whitespace to the character properties table. aziz parents: 15 diff changeset	186
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	187 if (c == 0 \|\| c == _Z_)
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	188 {
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	189 assert(p == 0 \|\| p == _Z_);
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	190 t.type = TOK.EOF;
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	191 t.end = p;
344 757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	192 tail = &t;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	193 assert(t.start == t.end);
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	194 return;
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	195 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	196
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	197 if (c == '\n')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	198 {
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	199 c = *++p;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	200 ++loc;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	201 continue;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	202 }
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	203 else if (c == '\r')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	204 {
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	205 c = *++p;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	206 if (c != '\n')
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	207 ++loc;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	208 continue;
9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	209 }
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	210 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	211 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	212 p += 3;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	213 c = *p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	214 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	215 }
17 9bd0bac79479 - Removed Whitespace from enum list. aziz parents: 16 diff changeset	216
13 e5211758b63c - Added isidbeg() function. aziz parents: 12 diff changeset	217 if (isidbeg(c))
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	218 {
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	219 if (c == 'r' && p[1] == '"' && ++p)
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	220 return scanRawStringLiteral(t);
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	221 if (c == 'x' && p[1] == '"')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	222 return scanHexStringLiteral(t);
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	223 Lidentifier:
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	224 do
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	225 { c = *++p; }
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	226 while (isident(c) \|\| c & 128 && isUniAlpha(decodeUTF8()))
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	227
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	228 t.end = p;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	229
65 6c21ae79fbb3 - Renamed function Token.span to Token.srcText. aziz parents: 64 diff changeset	230 string str = t.srcText;
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	231 Identifier* id = str in idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	232
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	233 if (!id)
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	234 {
327 a48a987f7515 - Added package dil to import declarations. aziz parents: 326 diff changeset	235 idtable[str] = Identifier(TOK.Identifier, str);
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	236 id = str in idtable;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	237 }
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	238 assert(id);
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	239 t.type = id.type;
343 95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	240 if (t.isSpecialToken)
95f1b6e43214 - Removed TOK.Special and added an own entry for each special token. aziz parents: 327 diff changeset	241 finalizeSpecialToken(t);
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	242 return;
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	243 }
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	244
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	245 if (isdigit(c))
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	246 return scanNumber(t);
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	247
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	248 if (c == '/')
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	249 {
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	250 c = *++p;
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	251 switch(c)
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	252 {
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	253 case '=':
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	254 ++p;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	255 t.type = TOK.DivAssign;
14 cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	256 t.end = p;
cdf788d8bdaf - Parsing /= now. aziz parents: 13 diff changeset	257 return;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	258 case '+':
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	259 uint level = 1;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	260 while (1)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	261 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	262 c = *++p;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	263 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	264 switch (c)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	265 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	266 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	267 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	268 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	269 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	270 ++loc;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	271 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	272 case 0, _Z_:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	273 error(MID.UnterminatedNestedComment);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	274 goto LreturnNC;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	275 default:
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	276 }
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	277
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	278 c <<= 8;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	279 c \|= *++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	280 switch (c)
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	281 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	282 case 0x2F2B: // /+
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	283 ++level;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	284 continue;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	285 case 0x2B2F: // +/
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	286 if (--level == 0)
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	287 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	288 ++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	289 LreturnNC:
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	290 t.type = TOK.Comment;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	291 t.end = p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	292 return;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	293 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	294 continue;
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	295 case 0xE280: // LS[0..1] \|\| PS[0..1]
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	296 if (p[1] == LS[2] \|\| p[1] == PS[2])
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	297 {
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	298 ++loc;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	299 ++p;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	300 }
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	301 continue;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	302 default:
42 c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	303 c &= char.max;
c6a9974a6e3c - Optimized scanner of nested comments. aziz parents: 41 diff changeset	304 goto LswitchNC;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	305 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	306 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	307 case '*':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	308 while (1)
7 07e45c06a024 - Parsing nested comments correctly now. aziz parents: 5 diff changeset	309 {
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	310 c = *++p;
1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	311 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	312 switch (c)
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	313 {
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	314 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	315 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	316 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	317 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	318 ++loc;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	319 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	320 case 0, _Z_:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	321 error(MID.UnterminatedBlockComment);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	322 goto LreturnBC;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	323 default:
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	324 }
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	325
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	326 c <<= 8;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	327 c \|= *++p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	328 switch (c)
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	329 {
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	330 case 0x2A2F: // */
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	331 ++p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	332 LreturnBC:
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	333 t.type = TOK.Comment;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	334 t.end = p;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	335 return;
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	336 case 0xE280: // LS[0..1] \|\| PS[0..1]
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	337 if (p[1] == LS[2] \|\| p[1] == PS[2])
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	338 {
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	339 ++loc;
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	340 ++p;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	341 }
43 1845c23dd056 - Matched some parts of the scanner of block comments to the scanner of nested comments. aziz parents: 42 diff changeset	342 continue;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	343 default:
2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	344 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	345 goto LswitchBC;
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	346 }
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	347 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	348 assert(0);
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	349 case '/':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	350 while (1)
7 07e45c06a024 - Parsing nested comments correctly now. aziz parents: 5 diff changeset	351 {
8 d4ba94a5a282 - Parsing /* / comments now. aziz* parents: 7 diff changeset	352 c = *++p;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	353 switch (c)
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	354 {
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	355 case '\r':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	356 if (p[1] == '\n')
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	357 ++p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	358 case '\n':
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	359 case 0, _Z_:
11 dffcdaa7c47a - Added Unicode line and paragraph separators. aziz parents: 10 diff changeset	360 break;
32 d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	361 case LS[0]:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	362 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	363 break;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	364 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	365 default:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	366 continue;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	367 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	368 t.type = TOK.Comment;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	369 t.end = p;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	370 return;
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	371 }
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	372 default:
d7011daa4740 - Added missing commas after the items in the messages table. aziz parents: 31 diff changeset	373 t.type = TOK.Div;
10 3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	374 t.end = p;
3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	375 return;
3ee65d6e39c9 - Parsing // comments now. aziz parents: 9 diff changeset	376 }
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	377 }
79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	378
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	379 switch (c)
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	380 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	381 case '\'':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	382 return scanCharacterLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	383 case '`':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	384 return scanRawStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	385 case '"':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	386 return scanNormalStringLiteral(t);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	387 case '\\':
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	388 char[] buffer;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	389 do
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	390 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	391 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	392 c = scanEscapeSequence();
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	393 if (c < 128)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	394 buffer ~= c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	395 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	396 encodeUTF8(buffer, c);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	397 } while (*p == '\\')
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	398 buffer ~= 0;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	399 t.type = TOK.String;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	400 t.str = buffer;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	401 t.end = p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	402 return;
38 640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	403 case '>': /* > >= >> >>= >>> >>>= */
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	404 c = *++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	405 switch (c)
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	406 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	407 case '=':
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	408 t.type = TOK.GreaterEqual;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	409 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	410 case '>':
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	411 if (p[1] == '>')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	412 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	413 ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	414 if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	415 { ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	416 t.type = TOK.URShiftAssign;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	417 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	418 else
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	419 t.type = TOK.URShift;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	420 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	421 else if (p[1] == '=')
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	422 {
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	423 ++p;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	424 t.type = TOK.RShiftAssign;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	425 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	426 else
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	427 t.type = TOK.RShift;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	428 goto Lcommon;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	429 default:
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	430 t.type = TOK.Greater;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	431 goto Lcommon2;
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	432 }
640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	433 assert(0);
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	434 case '<': /* < <= <> <>= << <<= */
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	435 c = *++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	436 switch (c)
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	437 {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	438 case '=':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	439 t.type = TOK.LessEqual;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	440 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	441 case '<':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	442 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	443 ++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	444 t.type = TOK.LShiftAssign;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	445 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	446 else
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	447 t.type = TOK.LShift;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	448 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	449 case '>':
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	450 if (p[1] == '=') {
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	451 ++p;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	452 t.type = TOK.LorEorG;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	453 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	454 else
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	455 t.type = TOK.LorG;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	456 goto Lcommon;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	457 default:
38 640c45aaaaee - Added code for parsing GreaterEqual, Greater, RShiftAssign, RShift, URShiftAssign and URShift tokens. aziz parents: 37 diff changeset	458 t.type = TOK.Less;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	459 goto Lcommon2;
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	460 }
3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	461 assert(0);
37 7f3bcb97d017 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 36 diff changeset	462 case '!': /* ! !< !> !<= !>= !<> !<>= */
35 c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	463 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	464 switch (c)
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	465 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	466 case '<':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	467 c = *++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	468 if (c == '>')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	469 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	470 if (p[1] == '=') {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	471 ++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	472 t.type = TOK.Unordered;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	473 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	474 else
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	475 t.type = TOK.UorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	476 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	477 else if (c == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	478 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	479 t.type = TOK.UorG;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	480 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	481 else {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	482 t.type = TOK.UorGorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	483 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	484 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	485 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	486 case '>':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	487 if (p[1] == '=')
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	488 {
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	489 ++p;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	490 t.type = TOK.UorL;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	491 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	492 else
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	493 t.type = TOK.UorLorE;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	494 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	495 case '=':
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	496 t.type = TOK.NotEqual;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	497 goto Lcommon;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	498 default:
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	499 t.type = TOK.Not;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	500 goto Lcommon2;
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	501 }
c470b9356e35 - Added code for parsing Unordered, UorE, UorG, UorGorE, UorL, UorLorE, NotEqual and Not tokens. aziz parents: 34 diff changeset	502 assert(0);
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	503 case '.': /* . .[0-9] .. ... */
22 b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	504 if (p[1] == '.')
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	505 {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	506 ++p;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	507 if (p[1] == '.') {
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	508 ++p;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	509 t.type = TOK.Ellipses;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	510 }
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	511 else
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	512 t.type = TOK.Slice;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	513 }
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	514 else if (isdigit(p[1]))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	515 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	516 return scanReal(t);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	517 }
22 b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	518 else
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	519 t.type = TOK.Dot;
b05fff8e2ce4 - Added code for parsing Dot, Slice and Ellipses tokens. aziz parents: 21 diff changeset	520 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	521 case '\|': /* \| \|\| \|= */
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	522 c = *++p;
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	523 if (c == '=')
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	524 t.type = TOK.OrAssign;
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	525 else if (c == '\|')
1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	526 t.type = TOK.OrLogical;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	527 else {
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	528 t.type = TOK.OrBinary;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	529 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	530 }
23 1a7903701a3d - Added code for parsing OrAssign, OrLogical and OrBinary tokens. aziz parents: 22 diff changeset	531 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	532 case '&': /* & && &= */
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	533 c = *++p;
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	534 if (c == '=')
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	535 t.type = TOK.AndAssign;
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	536 else if (c == '&')
903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	537 t.type = TOK.AndLogical;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	538 else {
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	539 t.type = TOK.AndBinary;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	540 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	541 }
24 903f91163f23 - Added code for parsing AndAssign, AndLogical and AndBinary tokens. aziz parents: 23 diff changeset	542 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	543 case '+': /* + ++ += */
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	544 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	545 if (c == '=')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	546 t.type = TOK.PlusAssign;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	547 else if (c == '+')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	548 t.type = TOK.PlusPlus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	549 else {
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	550 t.type = TOK.Plus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	551 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	552 }
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	553 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	554 case '-': /* - -- -= */
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	555 c = *++p;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	556 if (c == '=')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	557 t.type = TOK.MinusAssign;
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	558 else if (c == '-')
9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	559 t.type = TOK.MinusMinus;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	560 else {
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	561 t.type = TOK.Minus;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	562 goto Lcommon2;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	563 }
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	564 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	565 case '=': /* = == */
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	566 if (p[1] == '=') {
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	567 ++p;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	568 t.type = TOK.Equal;
c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	569 }
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	570 else
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	571 t.type = TOK.Assign;
25 9c866208b3f6 - Added code for parsing PlusAssign, PlusPlus, Plus, MinusAssign, MinusMinus, Minus tokens. aziz parents: 24 diff changeset	572 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	573 case '~': /* ~ ~= */
27 43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	574 if (p[1] == '=') {
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	575 ++p;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	576 t.type = TOK.CatAssign;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	577 }
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	578 else
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	579 t.type = TOK.Tilde;
43b6bf56f0e9 - Added code for parsing CatAssign and Tilde tokens. aziz parents: 26 diff changeset	580 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	581 case '': / * = /
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	582 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	583 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	584 t.type = TOK.MulAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	585 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	586 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	587 t.type = TOK.Mul;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	588 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	589 case '^': /* ^ ^= */
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	590 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	591 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	592 t.type = TOK.XorAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	593 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	594 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	595 t.type = TOK.Xor;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	596 goto Lcommon;
36 3c7210a722f7 - Added code for parsing LorEorG, LorG, LessEqual, LessThan, LShiftAssign and LShift tokens. aziz parents: 35 diff changeset	597 case '%': /* % %= */
29 ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	598 if (p[1] == '=') {
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	599 ++p;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	600 t.type = TOK.ModAssign;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	601 }
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	602 else
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	603 t.type = TOK.Mod;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	604 goto Lcommon;
ef83eea26bbd - Added code for parsing MulAssign, Mul, ModAssign, Mod, XorAssign and Xor tokens. aziz parents: 28 diff changeset	605 // Single character tokens:
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	606 case '(':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	607 t.type = TOK.LParen;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	608 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	609 case ')':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	610 t.type = TOK.RParen;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	611 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	612 case '[':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	613 t.type = TOK.LBracket;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	614 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	615 case ']':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	616 t.type = TOK.RBracket;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	617 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	618 case '{':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	619 t.type = TOK.LBrace;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	620 goto Lcommon;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	621 case '}':
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	622 t.type = TOK.RBrace;
21 c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	623 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	624 case ':':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	625 t.type = TOK.Colon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	626 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	627 case ';':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	628 t.type = TOK.Semicolon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	629 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	630 case '?':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	631 t.type = TOK.Question;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	632 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	633 case ',':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	634 t.type = TOK.Comma;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	635 goto Lcommon;
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	636 case '$':
c785c122e4e6 - Added code for parsing Colon, Semicolon, Question, Comma and Dollar. aziz parents: 20 diff changeset	637 t.type = TOK.Dollar;
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	638 Lcommon:
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	639 ++p;
26 c3d7373db241 - Added code for parsing Assign and Equal tokens. aziz parents: 25 diff changeset	640 Lcommon2:
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	641 t.end = p;
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	642 return;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	643 case '#':
360 b6a3755eba94 - Renamed scanSpecialToken() to scanSpecialTokenSequence(). aziz parents: 350 diff changeset	644 return scanSpecialTokenSequence(t);
20 d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	645 default:
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	646 }
d6adfbd7c513 - Added code for parsing braces. aziz parents: 19 diff changeset	647
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	648 if (c & 128 && isUniAlpha(decodeUTF8()))
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	649 goto Lidentifier;
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	650 c = *++p;
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	651 }
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	652 }
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	653
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	654 void scanNormalStringLiteral(ref Token t)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	655 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	656 assert(*p == '"');
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	657 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	658 char[] buffer;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	659 t.type = TOK.String;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	660 while (1)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	661 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	662 switch (*p)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	663 {
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	664 case '"':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	665 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	666 Lreturn:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	667 buffer ~= 0;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	668 t.str = buffer;
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	669 t.pf = scanPostfix();
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	670 t.end = p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	671 return;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	672 case '\\':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	673 ++p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	674 dchar d = scanEscapeSequence();
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	675 if (d < 128)
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	676 buffer ~= d;
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	677 else
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	678 encodeUTF8(buffer, d);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	679 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	680 case '\r':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	681 if (p[1] == '\n')
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	682 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	683 case '\n':
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	684 ++p;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	685 ++loc;
221 f26a2beb745e - Moved ++p below if-statement. aziz parents: 215 diff changeset	686 buffer ~= '\n'; // Convert EndOfLine to \n.
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	687 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	688 case 0, _Z_:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	689 error(MID.UnterminatedString);
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	690 goto Lreturn;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	691 default:
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	692 if (*p & 128)
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	693 {
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	694 // char* begin = p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	695 dchar d = decodeUTF8();
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	696 if (d == LSd \|\| d == PSd)
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	697 goto case '\n';
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	698
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	699 // 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	700 // 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	701 // ++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	702 // buffer ~= begin[0 .. p - begin];
221 f26a2beb745e - Moved ++p below if-statement. aziz parents: 215 diff changeset	703 ++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	704 encodeUTF8(buffer, d);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	705 continue;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	706 }
223 043722eed46e - Fix: if-statements should be while-statements. aziz parents: 221 diff changeset	707 // Copy ASCII character.
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	708 buffer ~= *p++;
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	709 }
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	710 }
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	711 assert(0);
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	712 }
8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	713
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	714 void scanCharacterLiteral(ref Token t)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	715 {
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	716 assert(*p == '\'');
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	717 MID id = MID.UnterminatedCharacterLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	718 ++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	719 TOK type = TOK.CharLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	720 switch (*p)
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	721 {
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	722 case '\\':
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	723 ++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	724 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	725 {
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	726 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	727 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	728 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	729 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	730 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	731 }
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	732 t.dchar_ = scanEscapeSequence();
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	733 break;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	734 case '\'':
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	735 ++p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	736 id = MID.EmptyCharacterLiteral;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	737 case '\n', '\r', 0, _Z_:
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	738 goto Lerr;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	739 default:
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	740 uint c = *p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	741 if (c & 128)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	742 {
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	743 c = decodeUTF8();
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	744 if (c == LSd \|\| c == PSd)
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	745 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	746 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	747 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	748 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	749 type = TOK.DCharLiteral;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	750 }
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	751 t.dchar_ = c;
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	752 ++p;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	753 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	754
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	755 if (*p == '\'')
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	756 ++p;
e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	757 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	758 Lerr:
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	759 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	760 t.type = type;
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	761 t.end = p;
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	762 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	763
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	764 char scanPostfix()
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 switch (*p)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	767 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	768 case 'c':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	769 case 'w':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	770 case 'd':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	771 return *p++;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	772 default:
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	773 return 0;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	774 }
112 004d98df65af - Implemented parseInterfaceDeclaration(). aziz parents: 105 diff changeset	775 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	776 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	777
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	778 void scanRawStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	779 {
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	780 uint delim = *p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	781 assert(delim == '`' \|\| delim == '"' && p[-1] == 'r');
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	782 t.type = TOK.String;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	783 char[] buffer;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	784 uint c;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	785 while (1)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	786 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	787 c = *++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	788 switch (c)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	789 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	790 case '\r':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	791 if (p[1] == '\n')
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	792 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	793 c = '\n'; // Convert '\r' and '\r\n' to '\n'
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	794 case '\n':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	795 ++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	796 break;
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	797 case '`':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	798 case '"':
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	799 if (c == delim)
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	800 {
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	801 ++p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	802 t.pf = scanPostfix();
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	803 Lreturn:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	804 t.str = buffer ~ '\0';
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	805 t.end = p;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	806 return;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	807 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	808 break;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	809 case LS[0]:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	810 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	811 {
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	812 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	813 ++p; ++p;
33 cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	814 ++loc;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	815 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	816 break;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	817 case 0, _Z_:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	818 if (delim == 'r')
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	819 error(MID.UnterminatedRawString);
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	820 else
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	821 error(MID.UnterminatedBackQuoteString);
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	822 goto Lreturn;
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	823 default:
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	824 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	825 buffer ~= c; // copy character to buffer
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	826 }
cf3047cf3cd2 - Added code for parsing back quote and raw strings. aziz parents: 32 diff changeset	827 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	828 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	829
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	830 void scanHexStringLiteral(ref Token t)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	831 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	832 assert(p[0] == 'x' && p[1] == '"');
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	833 t.type = TOK.String;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	834
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	835 uint c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	836 ubyte[] buffer;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	837 ubyte h; // hex number
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	838 uint n; // number of hex digits
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	839
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	840 ++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	841 while (1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	842 {
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	843 c = *++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	844 switch (c)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	845 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	846 case '"':
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	847 ++p;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	848 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	849 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	850 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	851 Lreturn:
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	852 buffer ~= 0;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	853 t.str = cast(string) buffer;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	854 t.end = p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	855 return;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	856 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	857 if (p[1] == '\n')
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	858 ++p;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	859 case '\n':
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	860 ++loc;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	861 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	862 default:
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	863 if (ishexad(c))
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	864 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	865 if (c <= '9')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	866 c -= '0';
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	867 else if (c <= 'F')
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	868 c -= 'A' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	869 else
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	870 c -= 'a' - 10;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	871
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	872 if (n & 1)
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	873 {
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	874 h <<= 4;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	875 h \|= c;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	876 buffer ~= h;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	877 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	878 else
112 004d98df65af - Implemented parseInterfaceDeclaration(). aziz parents: 105 diff changeset	879 h = cast(ubyte)c;
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	880 ++n;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	881 continue;
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	882 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	883 else if (isspace(c))
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	884 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	885
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	886 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	887 {
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	888 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	889 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	890 {
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	891 ++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	892 ++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	893 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	894 }
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	895 }
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	896 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	897 {
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	898 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	899 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	900 goto Lreturn;
1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	901 }
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	902 error(MID.NonHexCharInHexString, cast(dchar)c);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	903 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	904 }
53 1786c2825491 - Fixed scanner for hex string literals. Terminating string with 0. Relocated some code to the bottom. aziz parents: 52 diff changeset	905 assert(0);
31 94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	906 }
94f09f4e988e - Added struct for strings to Token with 'pf' = postfix. aziz parents: 30 diff changeset	907
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	908 dchar scanEscapeSequence()
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	909 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	910 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	911 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	912 {
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	913 ++p;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	914 return c;
46 e0dbd4722f74 - Scanning character literals correctly now. aziz parents: 45 diff changeset	915 }
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	916 uint digits = 2;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	917
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	918 switch (*p)
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	919 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	920 case 'x':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	921 c = 0;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	922 while (1)
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	923 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	924 ++p;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	925 if (ishexad(*p))
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	926 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	927 c *= 16;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	928 if (*p <= '9')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	929 c += *p - '0';
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	930 else if (*p <= 'F')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	931 c += *p - 'A' + 10;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	932 else
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	933 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	934
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	935 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	936 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	937 ++p;
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	938 break;
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	939 }
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	940 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	941 else
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	942 {
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	943 error(MID.InsufficientHexDigits);
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	944 break;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	945 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	946 }
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	947 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	948 error(MID.InvalidUnicodeCharacter);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	949 break;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	950 case 'u':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	951 digits = 4;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	952 goto case 'x';
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	953 case 'U':
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	954 digits = 8;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	955 goto case 'x';
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	956 default:
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	957 if (isoctal(*p))
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	958 {
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	959 c = 0;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	960 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	961 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	962 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	963 return c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	964 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	965 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	966 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	967 if (!isoctal(*p))
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	968 return c;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	969 c *= 8;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	970 c += *p - '0';
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	971 ++p;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	972 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	973 else if(*p == '&')
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	974 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	975 if (isalpha(*++p))
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	976 {
272 0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	977 auto begin = p;
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	978 while (isalnum(*++p))
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	979 {}
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	980
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	981 if (*p == ';')
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	982 {
272 0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	983 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	984 ++p;
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	985 if (c == 0xFFFF)
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	986 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	987 }
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	988 else
0bde32503976 - Added module HtmlEntities. It contains a table for converting HTML entities to Unicode characters. aziz parents: 249 diff changeset	989 error(MID.UnterminatedHTMLEntity);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	990 }
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	991 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	992 error(MID.InvalidBeginHTMLEntity);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	993 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	994 else
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	995 error(MID.UndefinedEscapeSequence);
45 cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	996 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	997
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	998 return c;
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	999 }
cc84b9ca9d0a - Implemented escape sequence scanner. aziz parents: 44 diff changeset	1000
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 IntegerLiteral:= (Dec\|Hex\|Bin\|Oct)Suffix?
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1003 Dec:= (0\|[1-9][0-9_]*)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1004 Hex:= 0[xX] HexDigits
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1005 Bin:= 0[bB][01_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1006 Oct:= 0[0-7_]+
68 7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1007 Suffix:= (L[uU]?\|[uU]L?)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1008 HexDigits:= [0-9a-zA-Z_]+
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1009
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1010 Invalid: "0b_", "0x_", "._"
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1011 */
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1012 void scanNumber(ref Token t)
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1013 {
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1014 ulong ulong_;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1015 bool overflow;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1016 bool isDecimal;
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1017 size_t digits;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1018
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1019 if (*p != '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1020 goto LscanInteger;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1021 ++p; // skip zero
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1022 // check for xX bB ...
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1023 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1024 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1025 case 'x','X':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1026 goto LscanHex;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1027 case 'b','B':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1028 goto LscanBin;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1029 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1030 if (p[1] == 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1031 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1032 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1033 if (p[1] == '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1034 break;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1035 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	1036 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1037 default:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1038 if (p == '_' \|\| isoctal(p))
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1039 goto LscanOct;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1040 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1041
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1042 // Number 0
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1043 assert(p[-1] == '0');
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1044 assert(ulong_ == 0);
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1045 isDecimal = true;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1046 goto Lfinalize;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1047
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1048 LscanInteger:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1049 assert(p != 0 && isdigit(p));
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1050 isDecimal = true;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1051 goto Lenter_loop_int;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1052 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1053 {
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1054 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1055 continue;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1056 if (!isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1057 break;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1058 Lenter_loop_int:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1059 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	1060 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1061 ulong_ *= 10;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1062 ulong_ += *p - '0';
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1063 continue;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1064 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1065 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1066 overflow = true;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1067 while (isdigit(*++p)) {}
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1068 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1069 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1070
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1071 // 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	1072 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1073 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1074 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1075 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1076 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1077 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1078 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1079 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1080 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1081 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1082 goto LscanReal;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1083 default:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1084 }
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1085
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1086 if (overflow)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1087 error(MID.OverflowDecimalNumber);
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1088
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1089 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	1090 goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1091
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1092 LscanHex:
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1093 assert(digits == 0);
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1094 assert(*p == 'x');
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1095 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1096 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1097 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1098 continue;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1099 if (!ishexad(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1100 break;
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1101 ++digits;
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1102 ulong_ *= 16;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1103 if (*p <= '9')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1104 ulong_ += *p - '0';
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1105 else if (*p <= 'F')
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1106 ulong_ += *p - 'A' + 10;
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1107 else
c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1108 ulong_ += *p - 'a' + 10;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1109 }
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1110
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1111 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1112 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1113 case '.':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1114 if (p[1] != '.')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1115 goto LscanHexReal;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1116 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1117 case 'L':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1118 if (p[1] != 'i')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1119 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1120 case 'i', 'p', 'P':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1121 goto LscanHexReal;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1122 default:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1123 }
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1124 if (digits == 0)
59 3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1125 error(MID.NoDigitsInHexNumber);
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1126 else if (digits > 16)
61 512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1127 {
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1128 // Overflow: skip following digits.
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1129 error(MID.OverflowHexNumber);
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1130 while (ishexad(*++p)) {}
512cd2248dfc - Fix: issueing error on hexadecimal number overflow. aziz parents: 60 diff changeset	1131 }
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1132 goto Lfinalize;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1133 LscanHexReal:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1134 return scanHexReal(t);
56 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 LscanBin:
57 c0f1c8be3a47 - Added code for converting hex characters to binary numbers. aziz parents: 56 diff changeset	1137 assert(digits == 0);
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1138 assert(*p == 'b');
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1139 while (1)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1140 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1141 if (*++p == '0')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1142 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1143 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1144 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1145 }
367 dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1146 else if (*p == '1')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1147 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1148 ++digits;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1149 ulong_ *= 2;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1150 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1151 }
367 dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1152 else if (*p == '_')
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1153 continue;
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1154 else
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1155 break;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1156 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1157
59 3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1158 if (digits == 0)
3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1159 error(MID.NoDigitsInBinNumber);
3e594725899a - Issuing error when no digits were found in hex and binary numbers. aziz parents: 58 diff changeset	1160
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1161 if (digits > 64)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1162 error(MID.OverflowBinaryNumber);
367 dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1163 assert(p[-1] == '0' \|\| p[-1] == '1' \|\| p[-1] == '_', p[-1] ~ "");
dda55fae37de - ImportGraph.execute() can parse all modules depending on the imports of the root module. aziz parents: 365 diff changeset	1164 assert( !(p == '0' \|\| p == '1' \|\| *p == '_') );
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1165 goto Lfinalize;
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 LscanOct:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1168 assert(p == '_' \|\| isoctal(p));
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1169 if (*p != '_')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1170 goto Lenter_loop_oct;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1171 while (1)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1172 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1173 if (*++p == '_')
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1174 continue;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1175 if (!isoctal(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1176 break;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1177 Lenter_loop_oct:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1178 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	1179 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1180 ulong_ *= 8;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1181 ulong_ += *p - '0';
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1182 ++p;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1183 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1184 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1185 // Overflow: skip following digits.
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1186 overflow = true;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1187 while (isdigit(*++p)) {}
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1188 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1189 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1190
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1191 bool hasDecimalDigits;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1192 if (isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1193 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1194 hasDecimalDigits = true;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1195 while (isdigit(*++p)) {}
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1196 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1197
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1198 // 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	1199 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1200 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1201 case '.':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1202 if (p[1] != '.')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1203 goto LscanReal;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1204 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1205 case 'L':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1206 if (p[1] != 'i')
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1207 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1208 case 'i', 'f', 'F', 'e', 'E':
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1209 goto LscanReal;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1210 default:
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1211 }
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1212
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1213 if (hasDecimalDigits)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1214 error(MID.OctalNumberHasDecimals);
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1215 if (overflow)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1216 error(MID.OverflowOctalNumber);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1217 // goto Lfinalize;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1218
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1219 Lfinalize:
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1220 enum Suffix
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1221 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1222 None = 0,
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1223 Unsigned = 1,
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1224 Long = 2
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1225 }
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1226
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1227 Suffix suffix;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1228 while (1)
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 switch (*p)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1231 {
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1232 case 'L':
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1233 if (suffix & Suffix.Long)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1234 break;
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1235 suffix \|= Suffix.Long;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1236 ++p;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1237 continue;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1238 case 'u', 'U':
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1239 if (suffix & Suffix.Unsigned)
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1240 break;
60 32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1241 suffix \|= Suffix.Unsigned;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1242 ++p;
32cc23bd217b - Fixed number suffix scanning. aziz parents: 59 diff changeset	1243 continue;
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1244 default:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1245 break;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1246 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1247 break;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1248 }
58 50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1249
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1250 switch (suffix)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1251 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1252 case Suffix.None:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1253 if (ulong_ & 0x8000000000000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1254 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1255 if (isDecimal)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1256 error(MID.OverflowDecimalSign);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1257 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1258 }
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1259 else if (ulong_ & 0xFFFFFFFF00000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1260 t.type = TOK.Int64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1261 else if (ulong_ & 0x80000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1262 t.type = isDecimal ? TOK.Int64 : TOK.Uint32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1263 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1264 t.type = TOK.Int32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1265 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1266 case Suffix.Unsigned:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1267 if (ulong_ & 0xFFFFFFFF00000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1268 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1269 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1270 t.type = TOK.Uint32;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1271 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1272 case Suffix.Long:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1273 if (ulong_ & 0x8000000000000000)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1274 {
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1275 if (isDecimal)
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1276 error(MID.OverflowDecimalSign);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1277 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1278 }
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1279 else
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1280 t.type = TOK.Int64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1281 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1282 case Suffix.Unsigned \| Suffix.Long:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1283 t.type = TOK.Uint64;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1284 break;
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1285 default:
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1286 assert(0);
50bb7fc9db44 - The types of integers are recognized now. aziz parents: 57 diff changeset	1287 }
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1288 t.ulong_ = ulong_;
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1289 t.end = p;
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1290 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1291 LscanReal:
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1292 scanReal(t);
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1293 return;
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1294 }
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1295
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1296 /*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1297 FloatLiteral:= Float[fFL]?i?
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1298 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	1299 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	1300 DecExponent:= [eE][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1301 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	1302 HexExponent:= [pP][+-]?[0-9][0-9_]*
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1303 */
56 63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1304 void scanReal(ref Token t)
63af7ddf52e1 - Started properly implementing number scanner. Added stub for real numbers. aziz parents: 55 diff changeset	1305 {
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1306 if (*p == '.')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1307 // This function was called by scan() or scanNumber().
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1308 while (isdigit(++p) \|\| p == '_') {}
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1309 else
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1310 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1311 // This function was called by scanNumber().
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1312 debug switch (*p)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1313 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1314 case 'L':
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1315 if (p[1] != 'i')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1316 assert(0);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1317 case 'i', 'f', 'F', 'e', 'E': break;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1318 default: assert(0);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1319 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1320 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1321
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1322 // Scan exponent.
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1323 if (p == 'e' \|\| p == 'E')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1324 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1325 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1326 if (p == '-' \|\| p == '+')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1327 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1328 if (!isdigit(*p))
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1329 error(MID.FloatExponentDigitExpected);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1330 else
64 dd4c5a0e47dd - Improved while loop. aziz parents: 63 diff changeset	1331 while (isdigit(++p) \|\| p == '_') {}
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1332 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1333
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1334 // Copy string to buffer ignoring underscores.
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1335 char[] buffer;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1336 char* end = p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1337 p = t.start;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1338 do
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 if (*p == '_')
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1341 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1342 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1343 continue;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1344 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1345 buffer ~= *p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1346 ++p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1347 } while (p != end)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1348 buffer ~= 0;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1349 finalizeFloat(t, buffer);
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1350 }
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1351
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1352 void scanHexReal(ref Token t)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1353 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1354 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	1355 MID mid;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1356 if (*p == '.')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1357 while (ishexad(++p) \|\| p == '_') {}
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1358 if (p != 'p' && p != 'P')
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 mid = MID.HexFloatExponentRequired;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1361 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1362 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1363 // 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	1364 char* end = p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1365 p = t.start;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1366 char[] buffer;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1367 do
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 if (*p == '_')
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1370 {
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1371 ++p;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1372 continue;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1373 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1374 buffer ~= *p;
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1375 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1376 } while (p != end)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1377
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1378 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	1379 // Scan and copy the exponent.
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1380 buffer ~= 'p';
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1381 size_t bufflen = buffer.length;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1382 while (1)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1383 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1384 if (*++p == '_')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1385 continue;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1386 if (isdigit(*p))
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1387 buffer ~= *p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1388 else
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1389 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1390 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1391 // 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	1392 if (bufflen == buffer.length) {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1393 mid = MID.HexFloatMissingExpDigits;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1394 goto Lerr;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1395 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1396 buffer ~= 0; // Terminate for C functions.
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1397 finalizeFloat(t, buffer);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1398 return;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1399 Lerr:
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1400 t.type = TOK.Float32;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1401 t.end = p;
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1402 error(mid);
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1403 }
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1404
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1405 void finalizeFloat(ref Token t, string buffer)
c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1406 {
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1407 // 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	1408 switch (*p)
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1409 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1410 case 'f', 'F':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1411 t.type = TOK.Float32;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1412 t.float_ = strtof(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1413 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1414 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1415 case 'L':
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1416 t.type = TOK.Float80;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1417 t.real_ = strtold(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1418 ++p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1419 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1420 default:
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1421 t.type = TOK.Float64;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1422 t.double_ = strtod(buffer.ptr, null);
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1423 break;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1424 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1425 if (*p == 'i')
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1426 {
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1427 ++p;
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1428 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	1429 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1430 if (getErrno == ERANGE)
63 c29229fbf2f7 - Recognizing floats that start with a dot. aziz parents: 62 diff changeset	1431 error(MID.OverflowFloatNumber);
62 96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1432 t.end = p;
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1433 }
96af5653acef - Fixed loop of hex number scanner. Moved checks under the switch block. aziz parents: 61 diff changeset	1434
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1435 /// Scan special token: #line Integer [Filespec] EndOfLine
360 b6a3755eba94 - Renamed scanSpecialToken() to scanSpecialTokenSequence(). aziz parents: 350 diff changeset	1436 void scanSpecialTokenSequence(ref Token t)
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1437 {
47 8aa37a78937b - Properly implemented scanner for normal string literals. aziz parents: 46 diff changeset	1438 assert(*p == '#');
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1439
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1440 t.type = TOK.HashLine;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1441
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1442 MID mid;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1443
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1444 ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1445 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	1446 {
370 ae4afb66768f - Renamed findModule() to findModulePath(). aziz parents: 367 diff changeset	1447 mid = MID.ExpectedIdentifierSTLine;
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1448 goto Lerr;
cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1449 }
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1450 p += 3;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1451
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1452 enum State
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1453 { Number, Filespec, End }
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1454
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1455 State state;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1456
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1457 Loop:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1458 while (1)
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1459 {
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1460 switch (*++p)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1461 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1462 case '\r':
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1463 if (p[1] == '\n')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1464 ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1465 case '\n', 0, _Z_:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1466 break Loop;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1467 case LS[0]:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1468 if (p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2]))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1469 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1470 ++p; ++p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1471 break Loop;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1472 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1473 goto default;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1474 default:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1475 if (isspace(*p))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1476 continue;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1477 if (state == State.Number)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1478 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1479 if (!isdigit(*p))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1480 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1481 mid = MID.ExpectedNumberAfterSTLine;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1482 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1483 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1484 t.line_num = new Token;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1485 scan(*t.line_num);
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1486 --p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1487 state = State.Filespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1488 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1489 else if (state == State.Filespec)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1490 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1491 if (*p != '"')
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1492 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1493 mid = MID.ExpectedFilespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1494 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1495 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1496 t.line_filespec = new Token;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1497 t.line_filespec.start = p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1498 t.line_filespec.type = TOK.Filespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1499 while (1)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1500 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1501 switch (*++p)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1502 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1503 case '"':
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1504 break;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1505 case LS[0]:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1506 if (!(p[1] == LS[1] && (p[2] == LS[2] \|\| p[2] == PS[2])))
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1507 goto default;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1508 case '\r', '\n', 0, _Z_:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1509 mid = MID.UnterminatedFilespec;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1510 t.line_filespec.end = p;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1511 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1512 default:
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1513 if (*p & 128)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1514 decodeUTF8();
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1515 continue;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1516 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1517 break; // Exit loop.
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1518 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1519 auto start = t.line_filespec.start +1; // +1 skips '"'
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1520 t.line_filespec.str = start[0 .. p - start];
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1521 t.line_filespec.end = p + 1;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1522 state = State.End;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1523 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1524 else/+ if (state == State.End)+/
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1525 {
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1526 mid = MID.UnterminatedSpecialToken;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1527 goto Lerr;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1528 }
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1529 }
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1530 }
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1531
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1532 if (state == State.Number)
51 cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1533 {
cadd2bfe686c - Displaying error messages in XML. aziz parents: 50 diff changeset	1534 mid = MID.ExpectedNumberAfterSTLine;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1535 goto Lerr;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1536 }
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1537
371 01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1538 this.loc_old = this.loc;
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1539 this.loc_hline = t.line_num.uint_ - 1;
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1540 if (t.line_filespec)
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1541 this.fileName = t.line_filespec.str;
6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1542 t.end = p;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1543
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1544 return;
426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1545 Lerr:
323 6259fb93e3dd - Rewrote scanSpecialToken(). aziz parents: 315 diff changeset	1546 t.end = p;
30 426767b94635 - Added code for parsing the '#line' special token. aziz parents: 29 diff changeset	1547 error(mid);
15 c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1548 }
c70c028e47dd - Started implementation of lexing numbers. aziz parents: 14 diff changeset	1549
371 01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1550 uint errorLoc()
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1551 {
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1552 // ∆loc + line_num_of(#line)
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1553 return this.loc - this.loc_old + this.loc_hline;
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1554 }
01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1555
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	1556 dchar decodeUTF8()
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1557 {
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1558 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	1559 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	1560 dchar d;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1561 try
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1562 {
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1563 d = std.utf.decode(p[0 .. end-p], idx);
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1564 p += idx -1;
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1565 }
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1566 catch (UtfException e)
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1567 {
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1568 error(MID.InvalidUTF8Sequence);
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1569 // Skip to next valid utf-8 sequence
7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1570 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	1571 --p;
49 7f0fa15dcffc - Renamed function. aziz parents: 48 diff changeset	1572 }
12 0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1573 return d;
0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1574 }
0989206cf73c - Added code to decode Unicode characters in identifiers. aziz parents: 11 diff changeset	1575
28 3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1576 void loadKeywords()
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1577 {
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1578 foreach(k; keywords)
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1579 idtable[k.str] = k;
3a9daccf7d96 - Added table for identifiers to Lexer. aziz parents: 27 diff changeset	1580 }
382 66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1581 /+ // Not needed anymore because tokens are stored in a linked list.
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1582 struct State
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1583 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1584 Lexer lexer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1585 Token token;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1586 char* scanPointer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1587 int loc;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1588 string fileName;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1589 size_t errorLen;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1590 static State opCall(Lexer lx)
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1591 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1592 State s;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1593 s.lexer = lx;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1594 s.token = lx.token;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1595 s.scanPointer = lx.p;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1596 s.loc = lx.loc;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1597 s.fileName = lx.fileName;
c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1598 s.errorLen = lx.errors.length;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1599 return s;
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1600 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1601 void restore()
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1602 {
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1603 lexer.p = scanPointer;
209 921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1604 lexer.token = token;
921d15b1beeb - Added members token and loc to State. aziz parents: 207 diff changeset	1605 lexer.loc = loc;
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1606 lexer.fileName = fileName;
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1607 lexer.errors = lexer.errors[0..errorLen];
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1608 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1609 }
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1610
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1611 State getState()
df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1612 {
212 c9b9c979a620 - Fix: checking for _Z_. aziz parents: 209 diff changeset	1613 return State(this);
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1614 }
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1615 +/
105 df34ec47fb81 - Added getState() method and State struct to Lexer. aziz parents: 103 diff changeset	1616
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1617 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	1618 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1619 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	1620 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	1621 t = t.next;
344 757c86e2c3cc - Added member tail and destructor method to Lexer. aziz parents: 343 diff changeset	1622 else if (t != this.tail)
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	1623 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1624 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	1625 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	1626 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	1627 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	1628 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	1629 }
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1630 }
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1631
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1632 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	1633 {
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1634 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	1635 }
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1636
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1637 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	1638 {
7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1639 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	1640 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	1641 }
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	1642
66 8e84db78ad55 - Added support for variadic arguments in error messages. aziz parents: 65 diff changeset	1643 void error(MID id, ...)
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1644 {
239 7911f6a92e6e - Added 'new' and 'delete' declarations to Token and uncommented next and prev members. Added HEAD to TOK. aziz parents: 223 diff changeset	1645 // if (reportErrors)
371 01887f05d4b0 - Added members loc_old and loc_hline to class Lexer. aziz parents: 370 diff changeset	1646 errors ~= new Information(InfoType.Lexer, id, this.errorLoc, arguments(_arguments, _argptr));
18 c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1647 }
c48d2125f1e2 - Moved code for scanning character literals to separate function. aziz parents: 17 diff changeset	1648
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1649 unittest
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1650 {
382 66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1651 writefln("Testing method Lexer.peek()");
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1652 string sourceText = "unittest { }";
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1653 auto lx = new Lexer(sourceText, null);
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1654
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1655 Token* next = lx.head;
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1656 lx.peek(next);
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1657 assert(next.type == TOK.Unittest);
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1658 lx.peek(next);
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1659 assert(next.type == TOK.LBrace);
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1660 lx.peek(next);
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1661 assert(next.type == TOK.RBrace);
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1662 lx.peek(next);
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1663 assert(next.type == TOK.EOF);
207 481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1664 }
481ed2b63a49 - Added contracts to method scan(). aziz parents: 131 diff changeset	1665
306 9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1666 Token* getTokens()
4 92df59b1ec4a - Started implementation of scan(). aziz parents: 3 diff changeset	1667 {
306 9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1668 while (nextToken() != TOK.EOF)
9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1669 {}
9c866aadcb5b - Moved code out of main() to separate functions. aziz parents: 272 diff changeset	1670 return head;
3 4bbce78bfb1e - Added TOK enum. aziz parents: 2 diff changeset	1671 }
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1672
365 ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1673 static bool isNonReservedIdentifier(char[] ident)
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1674 {
382 66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1675 if (ident.length == 0)
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1676 return false;
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1677
365 ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1678 static Identifier[string] reserved_ids_table;
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1679 if (reserved_ids_table is null)
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1680 foreach(k; keywords)
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1681 reserved_ids_table[k.str] = k;
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1682
382 66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1683 size_t idx = 1; // Index to the 2nd character in ident.
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1684 dchar isFirstCharUniAlpha()
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1685 {
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1686 idx = 0;
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1687 // NB: decode() could throw an Exception which would be
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1688 // caught by the next try-catch-block.
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1689 return isUniAlpha(std.utf.decode(ident, idx));
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1690 }
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1691
365 ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1692 try
382 66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1693 {
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1694 if (isidbeg(ident[0]) \|\|
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1695 ident[0] & 128 && isFirstCharUniAlpha())
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1696 {
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1697 foreach (dchar c; ident[idx..$])
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1698 if (!isident(c) && !isUniAlpha(c))
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1699 return false;
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1700 }
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1701 }
66477017cb95 Applied fixes to isNonReservedIdentifier(). Aziz K?ksal <aziz.koeksal@gmail.com> parents: 371 diff changeset	1702 catch (Exception)
365 ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1703 return false;
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1704
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1705 return !(ident in reserved_ids_table);
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1706 }
ed67acc82268 - Added option includes to config.d. aziz parents: 360 diff changeset	1707
48 c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1708 private void encodeUTF8(inout char[] str, dchar d)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1709 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1710 char[6] b;
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1711 assert(d > 0x7F, "check for ASCII char before calling encodeUTF8().");
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1712 if (d < 0x800)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1713 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1714 b[0] = 0xC0 \| (d >> 6);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1715 b[1] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1716 str ~= b[0..2];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1717 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1718 else if (d < 0x10000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1719 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1720 b[0] = 0xE0 \| (d >> 12);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1721 b[1] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1722 b[2] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1723 str ~= b[0..3];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1724 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1725 else if (d < 0x200000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1726 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1727 b[0] = 0xF0 \| (d >> 18);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1728 b[1] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1729 b[2] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1730 b[3] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1731 str ~= b[0..4];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1732 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1733 else if (d < 0x4000000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1734 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1735 b[0] = 0xF8 \| (d >> 24);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1736 b[1] = 0x80 \| ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1737 b[2] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1738 b[3] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1739 b[4] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1740 str ~= b[0..5];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1741 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1742 else if (d < 0x80000000)
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1743 {
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1744 b[0] = 0xFC \| (d >> 30);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1745 b[1] = 0x80 \| ((d >> 24) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1746 b[2] = 0x80 \| ((d >> 18) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1747 b[3] = 0x80 \| ((d >> 12) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1748 b[4] = 0x80 \| ((d >> 6) & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1749 b[5] = 0x80 \| (d & 0x3F);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1750 str ~= b[0..6];
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1751 }
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1752 else
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1753 error(MID.InvalidUnicodeCharacter);
c2e0e0269c28 - Added code for scanning escape string literals. aziz parents: 47 diff changeset	1754 }
5 79b4e8848794 - Started writing XML generator. aziz parents: 4 diff changeset	1755 }
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1756
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1757 unittest
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1758 {
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1759 writefln("Testing Lexer.");
40 9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1760 string[] toks = [
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1761 ">", ">=", ">>", ">>=", ">>>", ">>>=", "<", "<=", "<>",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1762 "<>=", "<<", "<<=", "!", "!<", "!>", "!<=", "!>=", "!<>",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1763 "!<>=", ".", "..", "...", "&", "&&", "&=", "+", "++",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1764 "+=", "-", "--", "-=", "=", "==", "~", "~=", "*",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1765 "*=", "/", "/=", "^", "^=", "%", "%=", "(", ")",
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1766 "[", "]", "{", "}", ":", ";", "?", ",", "$"
9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1767 ];
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1768
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1769 char[] src;
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1770
40 9d5ceb0f8be9 - Added more tokens for testing. aziz parents: 39 diff changeset	1771 foreach (op; toks)
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1772 src ~= op ~ " ";
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1773
69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1774 auto lx = new Lexer(src, "");
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1775 auto token = lx.getTokens();
39 69b940398d7b - Added unittest to test correct parsing of operator tokens. aziz parents: 38 diff changeset	1776
350 4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1777 uint i;
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1778 assert(token == lx.head);
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1779 token = token.next;
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1780 do
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1781 {
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1782 assert(i < toks.length);
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1783 assert(token.srcText == toks[i], std.string.format("Scanned '%s' but expected '%s'", token.srcText, toks[i]));
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1784 ++i;
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1785 token = token.next;
4ea6759300cf - Fixed unittests in module Lexer. aziz parents: 346 diff changeset	1786 } while (token.type != TOK.EOF)
41 2b7be1d67d4d - Optimized scanner of block comments. aziz parents: 40 diff changeset	1787 }
55 5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1788
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	1789 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	1790 {
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	1791 // Numbers unittest
68 7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1792 // 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	1793 // 0u 0U 0uL 0UL 0L 0LU 0Lu
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1794 // 0Li 0f 0F 0fi 0Fi 0i
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1795 // 0b_1_LU 0b1000u
7eb83dd38901 - Simplified suffix rule and added a few more numbers to unittest. aziz parents: 67 diff changeset	1796 // 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	1797 }
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	1798
55 5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1799 /// ASCII character properties table.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1800 static const int ptable[256] = [
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1801 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	1802 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	1803 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	1804 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	1805 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	1806 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	1807 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	1808 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	1809 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	1810 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	1811 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	1812 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	1813 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	1814 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	1815 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	1816 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	1817 ];
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1818
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1819 enum CProperty
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1820 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1821 Octal = 1,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1822 Digit = 1<<1,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1823 Hex = 1<<2,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1824 Alpha = 1<<3,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1825 Underscore = 1<<4,
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1826 Whitespace = 1<<5
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1827 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1828
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1829 const uint EVMask = 0xFF00; // Bit mask for escape value
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1830
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1831 private alias CProperty CP;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1832 int isoctal(char c) { return ptable[c] & CP.Octal; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1833 int isdigit(char c) { return ptable[c] & CP.Digit; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1834 int ishexad(char c) { return ptable[c] & CP.Hex; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1835 int isalpha(char c) { return ptable[c] & CP.Alpha; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1836 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	1837 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	1838 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	1839 int isspace(char c) { return ptable[c] & CP.Whitespace; }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1840 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	1841
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1842 version(gen_ptable)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1843 static this()
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1844 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1845 alias ptable p;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1846 // Initialize character properties table.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1847 for (int i; i < p.length; ++i)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1848 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1849 p[i] = 0;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1850 if ('0' <= i && i <= '7')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1851 p[i] \|= CP.Octal;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1852 if ('0' <= i && i <= '9')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1853 p[i] \|= CP.Digit;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1854 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	1855 p[i] \|= CP.Hex;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1856 if ('a' <= i && i <= 'z' \|\| 'A' <= i && i <= 'Z')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1857 p[i] \|= CP.Alpha;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1858 if (i == '_')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1859 p[i] \|= CP.Underscore;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1860 if (i == ' ' \|\| i == '\t' \|\| i == '\v' \|\| i == '\f')
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1861 p[i] \|= CP.Whitespace;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1862 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1863 // Store escape sequence values in second byte.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1864 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	1865 p['\''] \|= 39 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1866 p['"'] \|= 34 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1867 p['?'] \|= 63 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1868 p['\\'] \|= 92 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1869 p['a'] \|= 7 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1870 p['b'] \|= 8 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1871 p['f'] \|= 12 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1872 p['n'] \|= 10 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1873 p['r'] \|= 13 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1874 p['t'] \|= 9 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1875 p['v'] \|= 11 << 8;
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1876 // Print a formatted array literal.
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1877 char[] array = "[\n";
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1878 for (int i; i < p.length; ++i)
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1879 {
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1880 int c = p[i];
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1881 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	1882 }
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1883 array[$-2..$] = "\n]";
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1884 writefln(array);
5887751f8e04 - Relocated ptable to the bottom of the source file. aziz parents: 54 diff changeset	1885 }

Mercurial > projects > dil

annotate trunk/src/dil/Lexer.d @ 382:66477017cb95