5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 static const char *keywords_qc[] = {
43 static size_t num_keywords_qc = sizeof(keywords_qc) / sizeof(keywords_qc[0]);
46 static const char *keywords_fg[] = {
47 "switch", "case", "default",
52 static size_t num_keywords_fg = sizeof(keywords_fg) / sizeof(keywords_fg[0]);
60 void lexerror(lex_file *lex, const char *fmt, ...)
66 con_vprintmsg(LVL_ERROR, lex->name, lex->sline, "parse error", fmt, ap);
68 con_vprintmsg(LVL_ERROR, "", 0, "parse error", fmt, ap);
72 bool lexwarn(lex_file *lex, int warntype, const char *fmt, ...)
75 int lvl = LVL_WARNING;
77 if (!OPTS_WARN(warntype))
84 con_vprintmsg(lvl, lex->name, lex->sline, "warning", fmt, ap);
94 token *tok = (token*)mem_a(sizeof(token));
97 memset(tok, 0, sizeof(*tok));
101 void token_delete(token *self)
103 if (self->next && self->next->prev == self)
104 self->next->prev = self->prev;
105 if (self->prev && self->prev->next == self)
106 self->prev->next = self->next;
107 MEM_VECTOR_CLEAR(self, value);
111 token* token_copy(const token *cp)
113 token* self = token_new();
117 self->value_alloc = cp->value_count + 1;
118 self->value_count = cp->value_count;
119 self->value = (char*)mem_a(self->value_alloc);
124 memcpy(self->value, cp->value, cp->value_count);
125 self->value[self->value_alloc-1] = 0;
129 self->ttype = cp->ttype;
130 memcpy(&self->constval, &cp->constval, sizeof(self->constval));
134 void token_delete_all(token *t)
145 token* token_copy_all(const token *cp)
150 out = cur = token_copy(cp);
156 cur->next = token_copy(cp);
158 token_delete_all(out);
161 cur->next->prev = cur;
168 static void lex_token_new(lex_file *lex)
172 token_delete(lex->tok);
173 lex->tok = token_new();
176 vec_shrinkto(lex->tok.value, 0);
177 lex->tok.constval.t = 0;
178 lex->tok.ctx.line = lex->sline;
179 lex->tok.ctx.file = lex->name;
184 lex_file* lex_open(const char *file)
187 FILE *in = util_fopen(file, "rb");
190 lexerror(NULL, "open failed: '%s'\n", file);
194 lex = (lex_file*)mem_a(sizeof(*lex));
197 lexerror(NULL, "out of memory\n");
201 memset(lex, 0, sizeof(*lex));
204 lex->name = util_strdup(file);
205 lex->line = 1; /* we start counting at 1 */
210 vec_push(lex_filenames, lex->name);
214 lex_file* lex_open_string(const char *str, size_t len, const char *name)
218 lex = (lex_file*)mem_a(sizeof(*lex));
220 lexerror(NULL, "out of memory\n");
224 memset(lex, 0, sizeof(*lex));
227 lex->open_string = str;
228 lex->open_string_length = len;
229 lex->open_string_pos = 0;
231 lex->name = util_strdup(name ? name : "<string-source>");
232 lex->line = 1; /* we start counting at 1 */
237 vec_push(lex_filenames, lex->name);
242 void lex_cleanup(void)
245 for (i = 0; i < vec_size(lex_filenames); ++i)
246 mem_d(lex_filenames[i]);
247 vec_free(lex_filenames);
250 void lex_close(lex_file *lex)
253 for (i = 0; i < vec_size(lex->frames); ++i)
254 mem_d(lex->frames[i].name);
255 vec_free(lex->frames);
258 vec_free(lex->modelname);
264 token_delete(lex->tok);
266 vec_free(lex->tok.value);
268 /* mem_d(lex->name); collected in lex_filenames */
272 static int lex_fgetc(lex_file *lex)
275 return fgetc(lex->file);
276 if (lex->open_string) {
277 if (lex->open_string_pos >= lex->open_string_length)
279 return lex->open_string[lex->open_string_pos++];
284 /* Get or put-back data
285 * The following to functions do NOT understand what kind of data they
287 * The are merely wrapping get/put in order to count line numbers.
289 static void lex_ungetch(lex_file *lex, int ch);
290 static int lex_try_trigraph(lex_file *lex, int old)
295 lex_ungetch(lex, c2);
301 case '=': return '#';
302 case '/': return '\\';
303 case '\'': return '^';
304 case '(': return '[';
305 case ')': return ']';
306 case '!': return '|';
307 case '<': return '{';
308 case '>': return '}';
309 case '-': return '~';
311 lex_ungetch(lex, c3);
312 lex_ungetch(lex, c2);
317 static int lex_try_digraph(lex_file *lex, int ch)
321 /* we just used fgetc() so count lines
322 * need to offset a \n the ungetch would recognize
324 if (!lex->push_line && c2 == '\n')
326 if (ch == '<' && c2 == ':')
328 else if (ch == ':' && c2 == '>')
330 else if (ch == '<' && c2 == '%')
332 else if (ch == '%' && c2 == '>')
334 else if (ch == '%' && c2 == ':')
336 lex_ungetch(lex, c2);
340 static int lex_getch(lex_file *lex)
346 if (!lex->push_line && lex->peek[lex->peekpos] == '\n')
348 return lex->peek[lex->peekpos];
352 if (!lex->push_line && ch == '\n')
355 return lex_try_trigraph(lex, ch);
356 else if (!lex->flags.nodigraphs && (ch == '<' || ch == ':' || ch == '%'))
357 return lex_try_digraph(lex, ch);
361 static void lex_ungetch(lex_file *lex, int ch)
363 lex->peek[lex->peekpos++] = ch;
364 if (!lex->push_line && ch == '\n')
368 /* classify characters
369 * some additions to the is*() functions of ctype.h
372 /* Idents are alphanumberic, but they start with alpha or _ */
373 static bool isident_start(int ch)
375 return isalpha(ch) || ch == '_';
378 static bool isident(int ch)
380 return isident_start(ch) || isdigit(ch);
383 /* isxdigit_only is used when we already know it's not a digit
384 * and want to see if it's a hex digit anyway.
386 static bool isxdigit_only(int ch)
388 return (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F');
391 /* Append a character to the token buffer */
392 static void lex_tokench(lex_file *lex, int ch)
394 vec_push(lex->tok.value, ch);
397 /* Append a trailing null-byte */
398 static void lex_endtoken(lex_file *lex)
400 vec_push(lex->tok.value, 0);
401 vec_shrinkby(lex->tok.value, 1);
404 static bool lex_try_pragma(lex_file *lex)
408 char *command = NULL;
412 if (lex->flags.preprocessing)
419 lex_ungetch(lex, ch);
423 for (ch = lex_getch(lex); vec_size(pragma) < 8 && ch >= 'a' && ch <= 'z'; ch = lex_getch(lex))
424 vec_push(pragma, ch);
427 if (ch != ' ' || strcmp(pragma, "pragma")) {
428 lex_ungetch(lex, ch);
432 for (ch = lex_getch(lex); vec_size(command) < 32 && ch >= 'a' && ch <= 'z'; ch = lex_getch(lex))
433 vec_push(command, ch);
434 vec_push(command, 0);
437 lex_ungetch(lex, ch);
441 for (ch = lex_getch(lex); vec_size(param) < 32 && ch != ')' && ch != '\n'; ch = lex_getch(lex))
446 lex_ungetch(lex, ch);
450 if (!strcmp(command, "push")) {
451 if (!strcmp(param, "line")) {
453 if (lex->push_line == 1)
459 else if (!strcmp(command, "pop")) {
460 if (!strcmp(param, "line")) {
463 if (lex->push_line == 0)
469 else if (!strcmp(command, "file")) {
470 lex->name = util_strdup(param);
471 vec_push(lex_filenames, lex->name);
473 else if (!strcmp(command, "line")) {
474 line = strtol(param, NULL, 0)-1;
480 while (ch != '\n' && ch != EOF)
487 while (vec_size(command)) {
488 lex_ungetch(lex, vec_last(command));
495 while (vec_size(command)) {
496 lex_ungetch(lex, vec_last(command));
503 while (vec_size(pragma)) {
504 lex_ungetch(lex, vec_last(pragma));
509 lex_ungetch(lex, '#');
515 /* Skip whitespace and comments and return the first
516 * non-white character.
517 * As this makes use of the above getch() ungetch() functions,
518 * we don't need to care at all about line numbering anymore.
520 * In theory, this function should only be used at the beginning
521 * of lexing, or when we *know* the next character is part of the token.
522 * Otherwise, if the parser throws an error, the linenumber may not be
523 * the line of the error, but the line of the next token AFTER the error.
525 * This is currently only problematic when using c-like string-continuation,
526 * since comments and whitespaces are allowed between 2 such strings.
530 "A continuation of the previous string"
531 // This line is skipped
534 * In this case, if the parse decides it didn't actually want a string,
535 * and uses lex->line to print an error, it will show the ', foo);' line's
538 * On the other hand, the parser is supposed to remember the line of the next
539 * token's beginning. In this case we would want skipwhite() to be called
540 * AFTER reading a token, so that the parser, before reading the NEXT token,
541 * doesn't store teh *comment's* linenumber, but the actual token's linenumber.
544 * here is to store the line of the first character after skipping
545 * the initial whitespace in lex->sline, this happens in lex_do.
547 static int lex_skipwhite(lex_file *lex)
550 bool haswhite = false;
555 while (ch != EOF && isspace(ch)) {
557 if (lex_try_pragma(lex))
560 if (lex->flags.preprocessing) {
563 /* see if there was whitespace first */
564 if (haswhite) { /* (vec_size(lex->tok.value)) { */
565 lex_ungetch(lex, ch);
569 /* otherwise return EOL */
573 lex_tokench(lex, ch);
582 /* one line comment */
585 if (lex->flags.preprocessing) {
588 lex_tokench(lex, '/');
589 lex_tokench(lex, '/');
591 lex_tokench(lex, ' ');
592 lex_tokench(lex, ' ');
595 while (ch != EOF && ch != '\n') {
596 if (lex->flags.preprocessing)
597 lex_tokench(lex, ' '); /* ch); */
600 if (lex->flags.preprocessing) {
601 lex_ungetch(lex, '\n');
609 /* multiline comment */
610 if (lex->flags.preprocessing) {
613 lex_tokench(lex, '/');
614 lex_tokench(lex, '*');
616 lex_tokench(lex, ' ');
617 lex_tokench(lex, ' ');
626 if (lex->flags.preprocessing) {
628 lex_tokench(lex, '*');
629 lex_tokench(lex, '/');
631 lex_tokench(lex, ' ');
632 lex_tokench(lex, ' ');
636 lex_ungetch(lex, ch);
638 if (lex->flags.preprocessing) {
640 lex_tokench(lex, '\n');
642 lex_tokench(lex, ' '); /* ch); */
645 ch = ' '; /* cause TRUE in the isspace check */
648 /* Otherwise roll back to the slash and break out of the loop */
649 lex_ungetch(lex, ch);
653 } while (ch != EOF && isspace(ch));
657 lex_ungetch(lex, ch);
664 static bool GMQCC_WARN lex_finish_ident(lex_file *lex)
669 while (ch != EOF && isident(ch))
671 lex_tokench(lex, ch);
675 /* last ch was not an ident ch: */
676 lex_ungetch(lex, ch);
681 /* read one ident for the frame list */
682 static int lex_parse_frame(lex_file *lex)
689 while (ch != EOF && ch != '\n' && isspace(ch))
695 if (!isident_start(ch)) {
696 lexerror(lex, "invalid framename, must start with one of a-z or _, got %c", ch);
700 lex_tokench(lex, ch);
701 if (!lex_finish_ident(lex))
707 /* read a list of $frames */
708 static bool lex_finish_frames(lex_file *lex)
715 rc = lex_parse_frame(lex);
716 if (rc > 0) /* end of line */
718 if (rc < 0) /* error */
721 for (i = 0; i < vec_size(lex->frames); ++i) {
722 if (!strcmp(lex->tok.value, lex->frames[i].name)) {
723 lex->frames[i].value = lex->framevalue++;
724 if (lexwarn(lex, WARN_FRAME_MACROS, "duplicate frame macro defined: `%s`", lex->tok.value))
729 if (i < vec_size(lex->frames))
732 m.value = lex->framevalue++;
733 m.name = util_strdup(lex->tok.value);
734 vec_shrinkto(lex->tok.value, 0);
735 vec_push(lex->frames, m);
739 static int GMQCC_WARN lex_finish_string(lex_file *lex, int quote)
747 return TOKEN_STRINGCONST;
749 if (lex->flags.preprocessing && ch == '\\') {
750 lex_tokench(lex, ch);
753 lexerror(lex, "unexpected end of file");
754 lex_ungetch(lex, EOF); /* next token to be TOKEN_EOF */
755 return (lex->tok.ttype = TOKEN_ERROR);
757 lex_tokench(lex, ch);
759 else if (ch == '\\') {
762 lexerror(lex, "unexpected end of file");
763 lex_ungetch(lex, EOF); /* next token to be TOKEN_EOF */
764 return (lex->tok.ttype = TOKEN_ERROR);
771 case 'a': ch = '\a'; break;
772 case 'b': ch = '\b'; break;
773 case 'r': ch = '\r'; break;
774 case 'n': ch = '\n'; break;
775 case 't': ch = '\t'; break;
776 case 'f': ch = '\f'; break;
777 case 'v': ch = '\v'; break;
778 case '\n': ch = '\n'; break;
780 lexwarn(lex, WARN_UNKNOWN_CONTROL_SEQUENCE, "unrecognized control sequence: \\%c", ch);
781 /* so we just add the character plus backslash no matter what it actually is */
782 lex_tokench(lex, '\\');
784 /* add the character finally */
785 lex_tokench(lex, ch);
788 lex_tokench(lex, ch);
790 lexerror(lex, "unexpected end of file within string constant");
791 lex_ungetch(lex, EOF); /* next token to be TOKEN_EOF */
792 return (lex->tok.ttype = TOKEN_ERROR);
795 static int GMQCC_WARN lex_finish_digit(lex_file *lex, int lastch)
801 /* parse a number... */
802 lex->tok.ttype = TOKEN_INTCONST;
804 lex_tokench(lex, ch);
807 if (ch != '.' && !isdigit(ch))
809 if (lastch != '0' || ch != 'x')
811 /* end of the number or EOF */
812 lex_ungetch(lex, ch);
815 lex->tok.constval.i = lastch - '0';
816 return lex->tok.ttype;
822 /* EOF would have been caught above */
826 lex_tokench(lex, ch);
828 while (isdigit(ch) || (ishex && isxdigit_only(ch)))
830 lex_tokench(lex, ch);
834 /* NOT else, '.' can come from above as well */
835 if (ch == '.' && !ishex)
837 /* Allow floating comma in non-hex mode */
838 lex->tok.ttype = TOKEN_FLOATCONST;
839 lex_tokench(lex, ch);
841 /* continue digits-only */
845 lex_tokench(lex, ch);
849 /* put back the last character */
850 /* but do not put back the trailing 'f' or a float */
851 if (lex->tok.ttype == TOKEN_FLOATCONST && ch == 'f')
854 /* generally we don't want words to follow numbers: */
856 lexerror(lex, "unexpected trailing characters after number");
857 return (lex->tok.ttype = TOKEN_ERROR);
859 lex_ungetch(lex, ch);
862 if (lex->tok.ttype == TOKEN_FLOATCONST)
863 lex->tok.constval.f = strtod(lex->tok.value, NULL);
865 lex->tok.constval.i = strtol(lex->tok.value, NULL, 0);
866 return lex->tok.ttype;
869 int lex_do(lex_file *lex)
871 int ch, nextch, thirdch;
880 ch = lex_skipwhite(lex);
881 if (!lex->flags.mergelines || ch != '\\')
885 lex_ungetch(lex, ch);
889 /* we reached a linemerge */
890 lex_tokench(lex, '\n');
894 if (lex->flags.preprocessing && (ch == TOKEN_WHITE || ch == TOKEN_EOL || ch == TOKEN_FATAL)) {
895 return (lex->tok.ttype = ch);
898 lex->sline = lex->line;
899 lex->tok.ctx.line = lex->sline;
900 lex->tok.ctx.file = lex->name;
903 return (lex->tok.ttype = TOKEN_FATAL);
907 return (lex->tok.ttype = TOKEN_EOF);
910 /* modelgen / spiritgen commands */
916 if (!isident_start(ch)) {
917 lexerror(lex, "hanging '$' modelgen/spritegen command line");
920 lex_tokench(lex, ch);
921 if (!lex_finish_ident(lex))
922 return (lex->tok.ttype = TOKEN_ERROR);
924 /* skip the known commands */
927 if (!strcmp(v, "frame") || !strcmp(v, "framesave"))
929 /* frame/framesave command works like an enum
930 * similar to fteqcc we handle this in the lexer.
931 * The reason for this is that it is sensitive to newlines,
932 * which the parser is unaware of
934 if (!lex_finish_frames(lex))
935 return (lex->tok.ttype = TOKEN_ERROR);
939 if (!strcmp(v, "framevalue"))
942 while (ch != EOF && isspace(ch) && ch != '\n')
946 lexerror(lex, "$framevalue requires an integer parameter");
951 lex->tok.ttype = lex_finish_digit(lex, ch);
953 if (lex->tok.ttype != TOKEN_INTCONST) {
954 lexerror(lex, "$framevalue requires an integer parameter");
957 lex->framevalue = lex->tok.constval.i;
961 if (!strcmp(v, "framerestore"))
967 rc = lex_parse_frame(lex);
970 lexerror(lex, "$framerestore requires a framename parameter");
974 return (lex->tok.ttype = TOKEN_FATAL);
977 for (frame = 0; frame < vec_size(lex->frames); ++frame) {
978 if (!strcmp(v, lex->frames[frame].name)) {
979 lex->framevalue = lex->frames[frame].value;
983 lexerror(lex, "unknown framename `%s`", v);
987 if (!strcmp(v, "modelname"))
993 rc = lex_parse_frame(lex);
996 lexerror(lex, "$modelname requires a parameter");
1000 return (lex->tok.ttype = TOKEN_FATAL);
1003 if (lex->modelname) {
1005 m.value = lex->framevalue;
1006 m.name = lex->modelname;
1007 lex->modelname = NULL;
1008 vec_push(lex->frames, m);
1010 lex->modelname = lex->tok.value;
1011 lex->tok.value = NULL;
1015 if (!strcmp(v, "flush"))
1018 for (fi = 0; fi < vec_size(lex->frames); ++fi)
1019 mem_d(lex->frames[fi].name);
1020 vec_free(lex->frames);
1021 /* skip line (fteqcc does it too) */
1022 ch = lex_getch(lex);
1023 while (ch != EOF && ch != '\n')
1024 ch = lex_getch(lex);
1028 if (!strcmp(v, "cd") ||
1029 !strcmp(v, "origin") ||
1030 !strcmp(v, "base") ||
1031 !strcmp(v, "flags") ||
1032 !strcmp(v, "scale") ||
1036 ch = lex_getch(lex);
1037 while (ch != EOF && ch != '\n')
1038 ch = lex_getch(lex);
1042 for (frame = 0; frame < vec_size(lex->frames); ++frame) {
1043 if (!strcmp(v, lex->frames[frame].name)) {
1044 lex->tok.constval.i = lex->frames[frame].value;
1045 return (lex->tok.ttype = TOKEN_INTCONST);
1049 lexerror(lex, "invalid frame macro");
1053 /* single-character tokens */
1060 lex_tokench(lex, ch);
1062 if (lex->flags.noops)
1063 return (lex->tok.ttype = ch);
1065 return (lex->tok.ttype = TOKEN_OPERATOR);
1073 lex_tokench(lex, ch);
1075 return (lex->tok.ttype = ch);
1080 if (lex->flags.noops)
1082 /* Detect characters early which are normally
1083 * operators OR PART of an operator.
1102 lex_tokench(lex, ch);
1104 return (lex->tok.ttype = ch);
1111 lex_tokench(lex, ch);
1112 /* peak ahead once */
1113 nextch = lex_getch(lex);
1114 if (nextch != '.') {
1115 lex_ungetch(lex, nextch);
1117 return (lex->tok.ttype = ch);
1119 /* peak ahead again */
1120 nextch = lex_getch(lex);
1121 if (nextch != '.') {
1122 lex_ungetch(lex, nextch);
1123 lex_ungetch(lex, '.');
1125 return (lex->tok.ttype = ch);
1127 /* fill the token to be "..." */
1128 lex_tokench(lex, ch);
1129 lex_tokench(lex, ch);
1131 return (lex->tok.ttype = TOKEN_DOTS);
1135 if (ch == ',' || ch == '.') {
1136 lex_tokench(lex, ch);
1138 return (lex->tok.ttype = TOKEN_OPERATOR);
1141 if (ch == '+' || ch == '-' || /* ++, --, +=, -= and -> as well! */
1142 ch == '>' || ch == '<' || /* <<, >>, <=, >= */
1143 ch == '=' || ch == '!' || /* ==, != */
1144 ch == '&' || ch == '|') /* &&, ||, &=, |= */
1146 lex_tokench(lex, ch);
1148 nextch = lex_getch(lex);
1149 if (nextch == ch || nextch == '=') {
1150 lex_tokench(lex, nextch);
1151 } else if (ch == '-' && nextch == '>') {
1152 lex_tokench(lex, nextch);
1153 } else if (ch == '&' && nextch == '~') {
1154 thirdch = lex_getch(lex);
1155 if (thirdch != '=') {
1156 lex_ungetch(lex, thirdch);
1157 lex_ungetch(lex, nextch);
1160 lex_tokench(lex, nextch);
1161 lex_tokench(lex, thirdch);
1164 lex_ungetch(lex, nextch);
1167 return (lex->tok.ttype = TOKEN_OPERATOR);
1171 if (ch == '^' || ch == '~' || ch == '!')
1173 lex_tokench(lex, ch);
1175 return (lex->tok.ttype = TOKEN_OPERATOR);
1179 if (ch == '*' || ch == '/') /* *=, /= */
1181 lex_tokench(lex, ch);
1183 nextch = lex_getch(lex);
1184 if (nextch == '=') {
1185 lex_tokench(lex, nextch);
1187 lex_ungetch(lex, nextch);
1190 return (lex->tok.ttype = TOKEN_OPERATOR);
1193 if (isident_start(ch))
1197 lex_tokench(lex, ch);
1198 if (!lex_finish_ident(lex)) {
1200 return (lex->tok.ttype = TOKEN_ERROR);
1203 lex->tok.ttype = TOKEN_IDENT;
1206 if (!strcmp(v, "void")) {
1207 lex->tok.ttype = TOKEN_TYPENAME;
1208 lex->tok.constval.t = TYPE_VOID;
1209 } else if (!strcmp(v, "int")) {
1210 lex->tok.ttype = TOKEN_TYPENAME;
1211 lex->tok.constval.t = TYPE_INTEGER;
1212 } else if (!strcmp(v, "float")) {
1213 lex->tok.ttype = TOKEN_TYPENAME;
1214 lex->tok.constval.t = TYPE_FLOAT;
1215 } else if (!strcmp(v, "string")) {
1216 lex->tok.ttype = TOKEN_TYPENAME;
1217 lex->tok.constval.t = TYPE_STRING;
1218 } else if (!strcmp(v, "entity")) {
1219 lex->tok.ttype = TOKEN_TYPENAME;
1220 lex->tok.constval.t = TYPE_ENTITY;
1221 } else if (!strcmp(v, "vector")) {
1222 lex->tok.ttype = TOKEN_TYPENAME;
1223 lex->tok.constval.t = TYPE_VECTOR;
1226 for (kw = 0; kw < num_keywords_qc; ++kw) {
1227 if (!strcmp(v, keywords_qc[kw]))
1228 return (lex->tok.ttype = TOKEN_KEYWORD);
1230 if (opts_standard != COMPILER_QCC) {
1231 for (kw = 0; kw < num_keywords_fg; ++kw) {
1232 if (!strcmp(v, keywords_fg[kw]))
1233 return (lex->tok.ttype = TOKEN_KEYWORD);
1238 return lex->tok.ttype;
1243 lex->flags.nodigraphs = true;
1244 if (lex->flags.preprocessing)
1245 lex_tokench(lex, ch);
1246 lex->tok.ttype = lex_finish_string(lex, '"');
1247 if (lex->flags.preprocessing)
1248 lex_tokench(lex, ch);
1249 while (!lex->flags.preprocessing && lex->tok.ttype == TOKEN_STRINGCONST)
1251 /* Allow c style "string" "continuation" */
1252 ch = lex_skipwhite(lex);
1254 lex_ungetch(lex, ch);
1258 lex->tok.ttype = lex_finish_string(lex, '"');
1260 lex->flags.nodigraphs = false;
1262 return lex->tok.ttype;
1267 /* we parse character constants like string,
1268 * but return TOKEN_CHARCONST, or a vector type if it fits...
1269 * Likewise actual unescaping has to be done by the parser.
1270 * The difference is we don't allow 'char' 'continuation'.
1272 if (lex->flags.preprocessing)
1273 lex_tokench(lex, ch);
1274 lex->tok.ttype = lex_finish_string(lex, '\'');
1275 if (lex->flags.preprocessing)
1276 lex_tokench(lex, ch);
1279 /* It's a vector if we can successfully scan 3 floats */
1281 if (sscanf_s(lex->tok.value, " %f %f %f ",
1282 &lex->tok.constval.v.x, &lex->tok.constval.v.y, &lex->tok.constval.v.z) == 3)
1284 if (sscanf(lex->tok.value, " %f %f %f ",
1285 &lex->tok.constval.v.x, &lex->tok.constval.v.y, &lex->tok.constval.v.z) == 3)
1289 lex->tok.ttype = TOKEN_VECTORCONST;
1292 return lex->tok.ttype;
1297 lex->tok.ttype = lex_finish_digit(lex, ch);
1299 return lex->tok.ttype;
1302 lexerror(lex, "unknown token");
1303 return (lex->tok.ttype = TOKEN_ERROR);