2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
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11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #define HT_MACROS 1024
42 /* a copy from the lexer */
56 /* yes we need an extra flag since `#define FOO x` is not the same as `#define FOO() x` */
63 typedef struct ftepp_s {
69 ppcondition *conditions;
71 ht macros; /* hashtable<string, ppmacro*> */
78 uint32_t predef_countval;
79 uint32_t predef_randval;
83 static char *ftepp_predef_date(ftepp_t *context) {
84 const struct tm *itime = NULL;
85 char *value = (char*)mem_a(82);
91 itime = util_localtime(&rtime);
92 strftime(value, 82, "\"%b %d %Y\"", itime);
98 static char *ftepp_predef_time(ftepp_t *context) {
99 const struct tm *itime = NULL;
100 char *value = (char*)mem_a(82);
106 itime = util_localtime(&rtime);
107 strftime(value, 82, "\"%X\"", itime);
113 static char *ftepp_predef_line(ftepp_t *context) {
116 util_asprintf(&value, "%d", (int)context->lex->line);
120 static char *ftepp_predef_file(ftepp_t *context) {
121 size_t length = strlen(context->lex->name) + 3; /* two quotes and a terminator */
122 char *value = (char*)mem_a(length);
124 util_snprintf(value, length, "\"%s\"", context->lex->name);
127 /* __COUNTER_LAST__ */
128 static char *ftepp_predef_counterlast(ftepp_t *context) {
130 util_asprintf(&value, "%u", context->predef_countval);
134 static char *ftepp_predef_counter(ftepp_t *context) {
137 context->predef_countval ++;
138 util_asprintf(&value, "%u", context->predef_countval);
143 static char *ftepp_predef_random(ftepp_t *context) {
146 context->predef_randval = (util_rand() % 0xFF) + 1;
147 util_asprintf(&value, "%u", context->predef_randval);
150 /* __RANDOM_LAST__ */
151 static char *ftepp_predef_randomlast(ftepp_t *context) {
154 util_asprintf(&value, "%u", context->predef_randval);
158 static char *ftepp_predef_timestamp(ftepp_t *context) {
164 if (stat(context->lex->name, &finfo))
165 return util_strdup("\"<failed to determine timestamp>\"");
167 find = util_ctime(&finfo.st_mtime);
168 value = (char*)mem_a(strlen(find) + 1);
169 memcpy(&value[1], find, (size = strlen(find)) - 1);
179 char *(*func)(ftepp_t *);
182 static const ftepp_predef_t ftepp_predefs[] = {
183 { "__LINE__", &ftepp_predef_line },
184 { "__FILE__", &ftepp_predef_file },
185 { "__COUNTER__", &ftepp_predef_counter },
186 { "__COUNTER_LAST__", &ftepp_predef_counterlast },
187 { "__RANDOM__", &ftepp_predef_random },
188 { "__RANDOM_LAST__", &ftepp_predef_randomlast },
189 { "__DATE__", &ftepp_predef_date },
190 { "__TIME__", &ftepp_predef_time },
191 { "__TIME_STAMP__", &ftepp_predef_timestamp }
194 static GMQCC_INLINE size_t ftepp_predef_index(const char *name) {
195 /* no hashtable here, we simply check for one to exist the naive way */
197 for(i = 1; i < GMQCC_ARRAY_COUNT(ftepp_predefs) + 1; i++)
198 if (!strcmp(ftepp_predefs[i-1].name, name))
203 bool ftepp_predef_exists(const char *name);
204 bool ftepp_predef_exists(const char *name) {
205 return ftepp_predef_index(name) != 0;
208 /* singleton because we're allowed */
209 static GMQCC_INLINE char *(*ftepp_predef(const char *name))(ftepp_t *context) {
210 size_t i = ftepp_predef_index(name);
211 return (i != 0) ? ftepp_predefs[i-1].func : NULL;
214 #define ftepp_tokval(f) ((f)->lex->tok.value)
215 #define ftepp_ctx(f) ((f)->lex->tok.ctx)
217 static void ftepp_errorat(ftepp_t *ftepp, lex_ctx_t ctx, const char *fmt, ...)
224 con_cvprintmsg(ctx, LVL_ERROR, "error", fmt, ap);
228 static void ftepp_error(ftepp_t *ftepp, const char *fmt, ...)
235 con_cvprintmsg(ftepp->lex->tok.ctx, LVL_ERROR, "error", fmt, ap);
239 static bool GMQCC_WARN ftepp_warn(ftepp_t *ftepp, int warntype, const char *fmt, ...)
245 r = vcompile_warning(ftepp->lex->tok.ctx, warntype, fmt, ap);
250 static pptoken *pptoken_make(ftepp_t *ftepp)
252 pptoken *token = (pptoken*)mem_a(sizeof(pptoken));
253 token->token = ftepp->token;
255 if (token->token == TOKEN_WHITE)
256 token->value = util_strdup(" ");
259 token->value = util_strdup(ftepp_tokval(ftepp));
261 memcpy(&token->constval, &ftepp->lex->tok.constval, sizeof(token->constval));
265 static GMQCC_INLINE void pptoken_delete(pptoken *self)
271 static ppmacro *ppmacro_new(lex_ctx_t ctx, const char *name)
273 ppmacro *macro = (ppmacro*)mem_a(sizeof(ppmacro));
276 memset(macro, 0, sizeof(*macro));
277 macro->name = util_strdup(name);
281 static void ppmacro_delete(ppmacro *self)
284 for (i = 0; i < vec_size(self->params); ++i)
285 mem_d(self->params[i]);
286 vec_free(self->params);
287 for (i = 0; i < vec_size(self->output); ++i)
288 pptoken_delete(self->output[i]);
289 vec_free(self->output);
294 static ftepp_t* ftepp_new(void)
298 ftepp = (ftepp_t*)mem_a(sizeof(*ftepp));
299 memset(ftepp, 0, sizeof(*ftepp));
301 ftepp->macros = util_htnew(HT_MACROS);
302 ftepp->output_on = true;
303 ftepp->predef_countval = 0;
304 ftepp->predef_randval = 0;
309 static GMQCC_INLINE void ftepp_flush_do(ftepp_t *self)
311 vec_free(self->output_string);
314 static void ftepp_delete(ftepp_t *self)
316 ftepp_flush_do(self);
318 mem_d(self->itemname);
319 if (self->includename)
320 vec_free(self->includename);
322 util_htrem(self->macros, (void (*)(void*))&ppmacro_delete);
324 vec_free(self->conditions);
326 lex_close(self->lex);
330 static void ftepp_out(ftepp_t *ftepp, const char *str, bool ignore_cond)
332 if (ignore_cond || ftepp->output_on)
337 data = vec_add(ftepp->output_string, len);
338 memcpy(data, str, len);
342 static GMQCC_INLINE void ftepp_update_output_condition(ftepp_t *ftepp)
345 ftepp->output_on = true;
346 for (i = 0; i < vec_size(ftepp->conditions); ++i)
347 ftepp->output_on = ftepp->output_on && ftepp->conditions[i].on;
350 static GMQCC_INLINE ppmacro* ftepp_macro_find(ftepp_t *ftepp, const char *name)
352 return (ppmacro*)util_htget(ftepp->macros, name);
355 static GMQCC_INLINE void ftepp_macro_delete(ftepp_t *ftepp, const char *name)
357 util_htrm(ftepp->macros, name, (void (*)(void*))&ppmacro_delete);
360 static GMQCC_INLINE int ftepp_next(ftepp_t *ftepp)
362 return (ftepp->token = lex_do(ftepp->lex));
365 /* Important: this does not skip newlines! */
366 static bool ftepp_skipspace(ftepp_t *ftepp)
368 if (ftepp->token != TOKEN_WHITE)
370 while (ftepp_next(ftepp) == TOKEN_WHITE) {}
371 if (ftepp->token >= TOKEN_EOF) {
372 ftepp_error(ftepp, "unexpected end of preprocessor directive");
378 /* this one skips EOLs as well */
379 static bool ftepp_skipallwhite(ftepp_t *ftepp)
381 if (ftepp->token != TOKEN_WHITE && ftepp->token != TOKEN_EOL)
385 } while (ftepp->token == TOKEN_WHITE || ftepp->token == TOKEN_EOL);
386 if (ftepp->token >= TOKEN_EOF) {
387 ftepp_error(ftepp, "unexpected end of preprocessor directive");
394 * The huge macro parsing code...
396 static bool ftepp_define_params(ftepp_t *ftepp, ppmacro *macro)
400 if (!ftepp_skipspace(ftepp))
402 if (ftepp->token == ')')
404 switch (ftepp->token) {
408 vec_push(macro->params, util_strdup(ftepp_tokval(ftepp)));
411 macro->variadic = true;
414 ftepp_error(ftepp, "unexpected token in parameter list");
418 if (!ftepp_skipspace(ftepp))
420 if (macro->variadic && ftepp->token != ')') {
421 ftepp_error(ftepp, "cannot have parameters after the variadic parameters");
424 } while (ftepp->token == ',');
426 if (ftepp->token != ')') {
427 ftepp_error(ftepp, "expected closing paren after macro parameter list");
431 /* skipspace happens in ftepp_define */
435 static bool ftepp_define_body(ftepp_t *ftepp, ppmacro *macro)
438 while (ftepp->token != TOKEN_EOL && ftepp->token < TOKEN_EOF) {
439 bool subscript = false;
441 if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_ARGS__")) {
442 subscript = !!(ftepp_next(ftepp) == '#');
444 if (subscript && ftepp_next(ftepp) != '#') {
445 ftepp_error(ftepp, "expected `##` in __VA_ARGS__ for subscripting");
447 } else if (subscript) {
448 if (ftepp_next(ftepp) == '[') {
449 if (ftepp_next(ftepp) != TOKEN_INTCONST) {
450 ftepp_error(ftepp, "expected index for __VA_ARGS__ subscript");
454 index = (int)strtol(ftepp_tokval(ftepp), NULL, 10);
456 if (ftepp_next(ftepp) != ']') {
457 ftepp_error(ftepp, "expected `]` in __VA_ARGS__ subscript");
462 * mark it as an array to be handled later as such and not
463 * as traditional __VA_ARGS__
465 ftepp->token = TOKEN_VA_ARGS_ARRAY;
466 ptok = pptoken_make(ftepp);
467 ptok->constval.i = index;
468 vec_push(macro->output, ptok);
471 ftepp_error(ftepp, "expected `[` for subscripting of __VA_ARGS__");
475 int old = ftepp->token;
476 ftepp->token = TOKEN_VA_ARGS;
477 ptok = pptoken_make(ftepp);
478 vec_push(macro->output, ptok);
482 else if (macro->variadic && !strcmp(ftepp_tokval(ftepp), "__VA_COUNT__")) {
483 ftepp->token = TOKEN_VA_COUNT;
484 ptok = pptoken_make(ftepp);
485 vec_push(macro->output, ptok);
488 ptok = pptoken_make(ftepp);
489 vec_push(macro->output, ptok);
493 /* recursive expansion can cause EOFs here */
494 if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
495 ftepp_error(ftepp, "unexpected junk after macro or unexpected end of file");
501 static const char *ftepp_math_constants[][2] = {
502 { "M_E", "2.7182818284590452354" }, /* e */
503 { "M_LOG2E", "1.4426950408889634074" }, /* log_2 e */
504 { "M_LOG10E", "0.43429448190325182765" }, /* log_10 e */
505 { "M_LN2", "0.69314718055994530942" }, /* log_e 2 */
506 { "M_LN10", "2.30258509299404568402" }, /* log_e 10 */
507 { "M_PI", "3.14159265358979323846" }, /* pi */
508 { "M_PI_2", "1.57079632679489661923" }, /* pi/2 */
509 { "M_PI_4", "0.78539816339744830962" }, /* pi/4 */
510 { "M_1_PI", "0.31830988618379067154" }, /* 1/pi */
511 { "M_2_PI", "0.63661977236758134308" }, /* 2/pi */
512 { "M_2_SQRTPI", "1.12837916709551257390" }, /* 2/sqrt(pi) */
513 { "M_SQRT2", "1.41421356237309504880" }, /* sqrt(2) */
514 { "M_SQRT1_2", "0.70710678118654752440" }, /* 1/sqrt(2) */
515 { "M_TAU", "6.28318530717958647692" } /* pi*2 */
518 static bool ftepp_define(ftepp_t *ftepp)
520 ppmacro *macro = NULL;
521 size_t l = ftepp_ctx(ftepp).line;
523 bool mathconstant = false;
525 (void)ftepp_next(ftepp);
526 if (!ftepp_skipspace(ftepp))
529 switch (ftepp->token) {
533 for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++) {
534 if (!strcmp(ftepp_math_constants[i][0], ftepp_tokval(ftepp))) {
540 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
542 /* user defined ones take precedence */
543 if (macro && mathconstant) {
544 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
548 if (macro && ftepp->output_on) {
549 if (ftepp_warn(ftepp, WARN_CPP, "redefining `%s`", ftepp_tokval(ftepp)))
551 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
553 macro = ppmacro_new(ftepp_ctx(ftepp), ftepp_tokval(ftepp));
556 ftepp_error(ftepp, "expected macro name");
560 (void)ftepp_next(ftepp);
562 if (ftepp->token == '(') {
563 macro->has_params = true;
564 if (!ftepp_define_params(ftepp, macro)) {
565 ppmacro_delete(macro);
570 if (!ftepp_skipspace(ftepp)) {
571 ppmacro_delete(macro);
575 if (!ftepp_define_body(ftepp, macro)) {
576 ppmacro_delete(macro);
580 if (ftepp->output_on)
581 util_htset(ftepp->macros, macro->name, (void*)macro);
583 ppmacro_delete(macro);
586 for (; l < ftepp_ctx(ftepp).line; ++l)
587 ftepp_out(ftepp, "\n", true);
592 * When a macro is used we have to handle parameters as well
593 * as special-concatenation via ## or stringification via #
595 * Note: parenthesis can nest, so FOO((a),b) is valid, but only
596 * this kind of parens. Curly braces or [] don't count towards the
603 static void macroparam_clean(macroparam *self)
606 for (i = 0; i < vec_size(self->tokens); ++i)
607 pptoken_delete(self->tokens[i]);
608 vec_free(self->tokens);
611 /* need to leave the last token up */
612 static bool ftepp_macro_call_params(ftepp_t *ftepp, macroparam **out_params)
614 macroparam *params = NULL;
620 if (!ftepp_skipallwhite(ftepp))
622 while (ftepp->token != ')') {
624 if (!ftepp_skipallwhite(ftepp))
626 while (parens || ftepp->token != ',') {
627 if (ftepp->token == '(')
629 else if (ftepp->token == ')') {
634 ptok = pptoken_make(ftepp);
635 vec_push(mp.tokens, ptok);
636 if (ftepp_next(ftepp) >= TOKEN_EOF) {
637 ftepp_error(ftepp, "unexpected end of file in macro call");
641 vec_push(params, mp);
643 if (ftepp->token == ')')
645 if (ftepp->token != ',') {
646 ftepp_error(ftepp, "expected closing paren or comma in macro call");
649 if (ftepp_next(ftepp) >= TOKEN_EOF) {
650 ftepp_error(ftepp, "unexpected end of file in macro call");
654 *out_params = params;
659 macroparam_clean(&mp);
660 for (i = 0; i < vec_size(params); ++i)
661 macroparam_clean(¶ms[i]);
666 static bool macro_params_find(ppmacro *macro, const char *name, size_t *idx)
669 for (i = 0; i < vec_size(macro->params); ++i) {
670 if (!strcmp(macro->params[i], name)) {
678 static void ftepp_stringify_token(ftepp_t *ftepp, pptoken *token)
683 switch (token->token) {
684 case TOKEN_STRINGCONST:
687 /* in preprocessor mode strings already are string,
688 * so we don't get actual newline bytes here.
689 * Still need to escape backslashes and quotes.
692 case '\\': ftepp_out(ftepp, "\\\\", false); break;
693 case '"': ftepp_out(ftepp, "\\\"", false); break;
696 ftepp_out(ftepp, chs, false);
703 ftepp_out(ftepp, " ", false);
706 ftepp_out(ftepp, "\\n", false);
709 ftepp_out(ftepp, token->value, false);
714 static void ftepp_stringify(ftepp_t *ftepp, macroparam *param)
717 ftepp_out(ftepp, "\"", false);
718 for (i = 0; i < vec_size(param->tokens); ++i)
719 ftepp_stringify_token(ftepp, param->tokens[i]);
720 ftepp_out(ftepp, "\"", false);
723 static void ftepp_recursion_header(ftepp_t *ftepp)
725 ftepp_out(ftepp, "\n#pragma push(line)\n", false);
728 static void ftepp_recursion_footer(ftepp_t *ftepp)
730 ftepp_out(ftepp, "\n#pragma pop(line)\n", false);
733 static void ftepp_param_out(ftepp_t *ftepp, macroparam *param)
737 for (i = 0; i < vec_size(param->tokens); ++i) {
738 out = param->tokens[i];
739 if (out->token == TOKEN_EOL)
740 ftepp_out(ftepp, "\n", false);
742 ftepp_out(ftepp, out->value, false);
746 static bool ftepp_preprocess(ftepp_t *ftepp);
747 static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params, bool resetline)
750 char *old_string = ftepp->output_string;
752 lex_file *old_lexer = ftepp->lex;
753 size_t vararg_start = vec_size(macro->params);
765 if (vararg_start < vec_size(params))
766 varargs = vec_size(params) - vararg_start;
771 if (!vec_size(macro->output))
774 ftepp->output_string = NULL;
775 for (o = 0; o < vec_size(macro->output); ++o) {
776 pptoken *out = macro->output[o];
777 switch (out->token) {
779 if (!macro->variadic) {
780 ftepp_error(ftepp, "internal preprocessor error: TOKEN_VA_ARGS in non-variadic macro");
781 vec_free(old_string);
788 ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
789 for (++pi; pi < varargs; ++pi) {
790 ftepp_out(ftepp, ", ", false);
791 ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
795 case TOKEN_VA_ARGS_ARRAY:
796 if ((size_t)out->constval.i >= varargs) {
797 ftepp_error(ftepp, "subscript of `[%u]` is out of bounds for `__VA_ARGS__`", out->constval.i);
798 vec_free(old_string);
802 ftepp_param_out(ftepp, ¶ms[out->constval.i + vararg_start]);
806 util_asprintf(&buffer, "%d", varargs);
807 ftepp_out(ftepp, buffer, false);
814 if (!macro_params_find(macro, out->value, &pi)) {
815 ftepp_out(ftepp, out->value, false);
818 ftepp_param_out(ftepp, ¶ms[pi]);
821 if (o + 1 < vec_size(macro->output)) {
822 nextok = macro->output[o+1]->token;
824 /* raw concatenation */
828 if ( (nextok == TOKEN_IDENT ||
829 nextok == TOKEN_KEYWORD ||
830 nextok == TOKEN_TYPENAME) &&
831 macro_params_find(macro, macro->output[o+1]->value, &pi))
834 ftepp_stringify(ftepp, ¶ms[pi]);
838 ftepp_out(ftepp, "#", false);
841 ftepp_out(ftepp, "\n", false);
844 ftepp_out(ftepp, out->value, false);
848 vec_push(ftepp->output_string, 0);
849 /* Now run the preprocessor recursively on this string buffer */
851 printf("__________\n%s\n=========\n", ftepp->output_string);
853 inlex = lex_open_string(ftepp->output_string, vec_size(ftepp->output_string)-1, ftepp->lex->name);
855 ftepp_error(ftepp, "internal error: failed to instantiate lexer");
860 inlex->line = ftepp->lex->line;
861 inlex->sline = ftepp->lex->sline;
864 old_inmacro = ftepp->in_macro;
865 ftepp->in_macro = true;
866 ftepp->output_string = NULL;
867 if (!ftepp_preprocess(ftepp)) {
868 ftepp->in_macro = old_inmacro;
869 vec_free(ftepp->lex->open_string);
870 vec_free(ftepp->output_string);
871 lex_close(ftepp->lex);
875 ftepp->in_macro = old_inmacro;
876 vec_free(ftepp->lex->open_string);
877 lex_close(ftepp->lex);
879 inner_string = ftepp->output_string;
880 ftepp->output_string = old_string;
882 has_newlines = (strchr(inner_string, '\n') != NULL);
884 if (has_newlines && !old_inmacro)
885 ftepp_recursion_header(ftepp);
887 vec_append(ftepp->output_string, vec_size(inner_string), inner_string);
888 vec_free(inner_string);
890 if (has_newlines && !old_inmacro)
891 ftepp_recursion_footer(ftepp);
893 if (resetline && !ftepp->in_macro) {
895 util_snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
896 ftepp_out(ftepp, lineno, false);
899 old_string = ftepp->output_string;
901 ftepp->lex = old_lexer;
902 ftepp->output_string = old_string;
906 static bool ftepp_macro_call(ftepp_t *ftepp, ppmacro *macro)
909 macroparam *params = NULL;
913 if (!macro->has_params) {
914 if (!ftepp_macro_expand(ftepp, macro, NULL, false))
921 if (!ftepp_skipallwhite(ftepp))
924 if (ftepp->token != '(') {
925 ftepp_error(ftepp, "expected macro parameters in parenthesis");
930 paramline = ftepp->lex->sline;
931 if (!ftepp_macro_call_params(ftepp, ¶ms))
934 if ( vec_size(params) < vec_size(macro->params) ||
935 (vec_size(params) > vec_size(macro->params) && !macro->variadic) )
937 ftepp_error(ftepp, "macro %s expects%s %u paramteters, %u provided", macro->name,
938 (macro->variadic ? " at least" : ""),
939 (unsigned int)vec_size(macro->params),
940 (unsigned int)vec_size(params));
945 if (!ftepp_macro_expand(ftepp, macro, params, (paramline != ftepp->lex->sline)))
950 for (o = 0; o < vec_size(params); ++o)
951 macroparam_clean(¶ms[o]);
957 * #if - the FTEQCC way:
958 * defined(FOO) => true if FOO was #defined regardless of parameters or contents
959 * <numbers> => True if the number is not 0
960 * !<factor> => True if the factor yields false
961 * !!<factor> => ERROR on 2 or more unary nots
962 * <macro> => becomes the macro's FIRST token regardless of parameters
963 * <e> && <e> => True if both expressions are true
964 * <e> || <e> => True if either expression is true
966 * <ident> => False (remember for macros the <macro> rule applies instead)
967 * Unary + and - are weird and wrong in fteqcc so we don't allow them
968 * parenthesis in expressions are allowed
969 * parameter lists on macros are errors
970 * No mathematical calculations are executed
972 static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out);
973 static bool ftepp_if_op(ftepp_t *ftepp)
975 ftepp->lex->flags.noops = false;
977 if (!ftepp_skipspace(ftepp))
979 ftepp->lex->flags.noops = true;
982 static bool ftepp_if_value(ftepp_t *ftepp, bool *out, double *value_out)
988 if (!ftepp_skipspace(ftepp))
991 while (ftepp->token == '!') {
994 if (!ftepp_skipspace(ftepp))
998 if (ftepp->token == TOKEN_OPERATOR && !strcmp(ftepp_tokval(ftepp), "-"))
1002 if (!ftepp_skipspace(ftepp))
1006 switch (ftepp->token) {
1008 case TOKEN_TYPENAME:
1010 if (!strcmp(ftepp_tokval(ftepp), "defined")) {
1012 if (!ftepp_skipspace(ftepp))
1014 if (ftepp->token != '(') {
1015 ftepp_error(ftepp, "`defined` keyword in #if requires a macro name in parenthesis");
1019 if (!ftepp_skipspace(ftepp))
1021 if (ftepp->token != TOKEN_IDENT &&
1022 ftepp->token != TOKEN_TYPENAME &&
1023 ftepp->token != TOKEN_KEYWORD)
1025 ftepp_error(ftepp, "defined() used on an unexpected token type");
1028 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1031 if (!ftepp_skipspace(ftepp))
1033 if (ftepp->token != ')') {
1034 ftepp_error(ftepp, "expected closing paren");
1040 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1041 if (!macro || !vec_size(macro->output)) {
1045 /* This does not expand recursively! */
1046 switch (macro->output[0]->token) {
1047 case TOKEN_INTCONST:
1048 *value_out = macro->output[0]->constval.i;
1049 *out = !!(macro->output[0]->constval.i);
1051 case TOKEN_FLOATCONST:
1052 *value_out = macro->output[0]->constval.f;
1053 *out = !!(macro->output[0]->constval.f);
1061 case TOKEN_STRINGCONST:
1065 case TOKEN_INTCONST:
1066 *value_out = ftepp->lex->tok.constval.i;
1067 *out = !!(ftepp->lex->tok.constval.i);
1069 case TOKEN_FLOATCONST:
1070 *value_out = ftepp->lex->tok.constval.f;
1071 *out = !!(ftepp->lex->tok.constval.f);
1076 if (!ftepp_if_expr(ftepp, out, value_out))
1078 if (ftepp->token != ')') {
1079 ftepp_error(ftepp, "expected closing paren in #if expression");
1085 ftepp_error(ftepp, "junk in #if: `%s` ...", ftepp_tokval(ftepp));
1086 if (OPTS_OPTION_BOOL(OPTION_DEBUG))
1087 ftepp_error(ftepp, "internal: token %i\n", ftepp->token);
1091 *value_out = -*value_out;
1094 *value_out = (*out ? 1 : 0);
1100 static bool ftepp_if_nextvalue(ftepp_t *ftepp, bool *out, double *value_out)
1102 if (!ftepp_next(ftepp))
1104 return ftepp_if_value(ftepp, out, value_out);
1108 static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out)
1110 if (!ftepp_if_value(ftepp, out, value_out))
1113 if (!ftepp_if_op(ftepp))
1116 if (ftepp->token == ')' || ftepp->token != TOKEN_OPERATOR)
1119 /* FTEQCC is all right-associative and no precedence here */
1120 if (!strcmp(ftepp_tokval(ftepp), "&&") ||
1121 !strcmp(ftepp_tokval(ftepp), "||"))
1124 char opc = ftepp_tokval(ftepp)[0];
1128 if (!ftepp_next(ftepp))
1130 if (!ftepp_if_expr(ftepp, &next, &nextvalue))
1134 *out = *out && next;
1136 *out = *out || next;
1138 *value_out = (*out ? 1 : 0);
1141 else if (!strcmp(ftepp_tokval(ftepp), "==") ||
1142 !strcmp(ftepp_tokval(ftepp), "!=") ||
1143 !strcmp(ftepp_tokval(ftepp), ">=") ||
1144 !strcmp(ftepp_tokval(ftepp), "<=") ||
1145 !strcmp(ftepp_tokval(ftepp), ">") ||
1146 !strcmp(ftepp_tokval(ftepp), "<"))
1149 const char opc0 = ftepp_tokval(ftepp)[0];
1150 const char opc1 = ftepp_tokval(ftepp)[1];
1153 if (!ftepp_next(ftepp))
1155 if (!ftepp_if_expr(ftepp, &next, &other))
1159 *out = (*value_out == other);
1160 else if (opc0 == '!')
1161 *out = (*value_out != other);
1162 else if (opc0 == '>') {
1163 if (opc1 == '=') *out = (*value_out >= other);
1164 else *out = (*value_out > other);
1166 else if (opc0 == '<') {
1167 if (opc1 == '=') *out = (*value_out <= other);
1168 else *out = (*value_out < other);
1170 *value_out = (*out ? 1 : 0);
1175 ftepp_error(ftepp, "junk after #if");
1180 static bool ftepp_if(ftepp_t *ftepp, ppcondition *cond)
1182 bool result = false;
1185 memset(cond, 0, sizeof(*cond));
1186 (void)ftepp_next(ftepp);
1188 if (!ftepp_skipspace(ftepp))
1190 if (ftepp->token == TOKEN_EOL) {
1191 ftepp_error(ftepp, "expected expression for #if-directive");
1195 if (!ftepp_if_expr(ftepp, &result, &dummy))
1203 * ifdef is rather simple
1205 static bool ftepp_ifdef(ftepp_t *ftepp, ppcondition *cond)
1208 memset(cond, 0, sizeof(*cond));
1209 (void)ftepp_next(ftepp);
1210 if (!ftepp_skipspace(ftepp))
1213 switch (ftepp->token) {
1215 case TOKEN_TYPENAME:
1217 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1220 ftepp_error(ftepp, "expected macro name");
1224 (void)ftepp_next(ftepp);
1225 if (!ftepp_skipspace(ftepp))
1227 /* relaxing this condition
1228 if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
1229 ftepp_error(ftepp, "stray tokens after #ifdef");
1238 * undef is also simple
1240 static bool ftepp_undef(ftepp_t *ftepp)
1242 (void)ftepp_next(ftepp);
1243 if (!ftepp_skipspace(ftepp))
1246 if (ftepp->output_on) {
1247 switch (ftepp->token) {
1249 case TOKEN_TYPENAME:
1251 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
1254 ftepp_error(ftepp, "expected macro name");
1259 (void)ftepp_next(ftepp);
1260 if (!ftepp_skipspace(ftepp))
1262 /* relaxing this condition
1263 if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
1264 ftepp_error(ftepp, "stray tokens after #ifdef");
1271 /* Special unescape-string function which skips a leading quote
1272 * and stops at a quote, not just at \0
1274 static void unescape(const char *str, char *out) {
1276 while (*str && *str != '"') {
1280 case '\\': *out++ = *str; break;
1281 case '"': *out++ = *str; break;
1282 case 'a': *out++ = '\a'; break;
1283 case 'b': *out++ = '\b'; break;
1284 case 'r': *out++ = '\r'; break;
1285 case 'n': *out++ = '\n'; break;
1286 case 't': *out++ = '\t'; break;
1287 case 'f': *out++ = '\f'; break;
1288 case 'v': *out++ = '\v'; break;
1303 static char *ftepp_include_find_path(const char *file, const char *pathfile)
1306 char *filename = NULL;
1307 const char *last_slash;
1313 last_slash = strrchr(pathfile, '/');
1316 len = last_slash - pathfile;
1317 memcpy(vec_add(filename, len), pathfile, len);
1318 vec_push(filename, '/');
1322 memcpy(vec_add(filename, len+1), file, len);
1323 vec_last(filename) = 0;
1325 fp = fs_file_open(filename, "rb");
1334 static char *ftepp_include_find(ftepp_t *ftepp, const char *file)
1336 char *filename = NULL;
1338 filename = ftepp_include_find_path(file, ftepp->includename);
1340 filename = ftepp_include_find_path(file, ftepp->itemname);
1344 static bool ftepp_directive_warning(ftepp_t *ftepp) {
1345 char *message = NULL;
1347 if (!ftepp_skipspace(ftepp))
1350 /* handle the odd non string constant case so it works like C */
1351 if (ftepp->token != TOKEN_STRINGCONST) {
1353 vec_append(message, 8, "#warning");
1355 while (ftepp->token != TOKEN_EOL) {
1356 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1359 vec_push(message, '\0');
1360 if (ftepp->output_on)
1361 store = ftepp_warn(ftepp, WARN_CPP, message);
1368 if (!ftepp->output_on)
1371 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1372 return ftepp_warn(ftepp, WARN_CPP, "#warning %s", ftepp_tokval(ftepp));
1375 static void ftepp_directive_error(ftepp_t *ftepp) {
1376 char *message = NULL;
1378 if (!ftepp_skipspace(ftepp))
1381 /* handle the odd non string constant case so it works like C */
1382 if (ftepp->token != TOKEN_STRINGCONST) {
1383 vec_append(message, 6, "#error");
1385 while (ftepp->token != TOKEN_EOL) {
1386 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1389 vec_push(message, '\0');
1390 if (ftepp->output_on)
1391 ftepp_error(ftepp, message);
1396 if (!ftepp->output_on)
1399 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1400 ftepp_error(ftepp, "#error %s", ftepp_tokval(ftepp));
1403 static void ftepp_directive_message(ftepp_t *ftepp) {
1404 char *message = NULL;
1406 if (!ftepp_skipspace(ftepp))
1409 /* handle the odd non string constant case so it works like C */
1410 if (ftepp->token != TOKEN_STRINGCONST) {
1411 vec_append(message, 8, "#message");
1413 while (ftepp->token != TOKEN_EOL) {
1414 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1417 vec_push(message, '\0');
1418 if (ftepp->output_on)
1419 con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", message);
1424 if (!ftepp->output_on)
1427 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1428 con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", ftepp_tokval(ftepp));
1433 * FIXME: do we need/want a -I option?
1434 * FIXME: what about when dealing with files in subdirectories coming from a progs.src?
1436 static bool ftepp_include(ftepp_t *ftepp)
1438 lex_file *old_lexer = ftepp->lex;
1443 char *old_includename;
1445 (void)ftepp_next(ftepp);
1446 if (!ftepp_skipspace(ftepp))
1449 if (ftepp->token != TOKEN_STRINGCONST) {
1450 ftepp_error(ftepp, "expected filename to include");
1454 if (!ftepp->output_on) {
1459 ctx = ftepp_ctx(ftepp);
1461 unescape(ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1463 ftepp_out(ftepp, "\n#pragma file(", false);
1464 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1465 ftepp_out(ftepp, ")\n#pragma line(1)\n", false);
1467 filename = ftepp_include_find(ftepp, ftepp_tokval(ftepp));
1469 ftepp_error(ftepp, "failed to open include file `%s`", ftepp_tokval(ftepp));
1472 inlex = lex_open(filename);
1474 ftepp_error(ftepp, "open failed on include file `%s`", filename);
1479 old_includename = ftepp->includename;
1480 ftepp->includename = filename;
1481 if (!ftepp_preprocess(ftepp)) {
1482 vec_free(ftepp->includename);
1483 ftepp->includename = old_includename;
1484 lex_close(ftepp->lex);
1485 ftepp->lex = old_lexer;
1488 vec_free(ftepp->includename);
1489 ftepp->includename = old_includename;
1490 lex_close(ftepp->lex);
1491 ftepp->lex = old_lexer;
1493 ftepp_out(ftepp, "\n#pragma file(", false);
1494 ftepp_out(ftepp, ctx.file, false);
1495 util_snprintf(lineno, sizeof(lineno), ")\n#pragma line(%lu)\n", (unsigned long)(ctx.line+1));
1496 ftepp_out(ftepp, lineno, false);
1499 (void)ftepp_next(ftepp);
1500 if (!ftepp_skipspace(ftepp))
1502 if (ftepp->token != TOKEN_EOL) {
1503 ftepp_error(ftepp, "stray tokens after #include");
1506 (void)ftepp_next(ftepp);
1511 /* Basic structure handlers */
1512 static bool ftepp_else_allowed(ftepp_t *ftepp)
1514 if (!vec_size(ftepp->conditions)) {
1515 ftepp_error(ftepp, "#else without #if");
1518 if (vec_last(ftepp->conditions).had_else) {
1519 ftepp_error(ftepp, "multiple #else for a single #if");
1525 static GMQCC_INLINE void ftepp_inmacro(ftepp_t *ftepp, const char *hash) {
1526 if (ftepp->in_macro)
1527 (void)!ftepp_warn(ftepp, WARN_DIRECTIVE_INMACRO, "`#%s` directive in macro", hash);
1530 static bool ftepp_hash(ftepp_t *ftepp)
1535 lex_ctx_t ctx = ftepp_ctx(ftepp);
1537 if (!ftepp_skipspace(ftepp))
1540 switch (ftepp->token) {
1543 case TOKEN_TYPENAME:
1544 if (!strcmp(ftepp_tokval(ftepp), "define")) {
1545 ftepp_inmacro(ftepp, "define");
1546 return ftepp_define(ftepp);
1548 else if (!strcmp(ftepp_tokval(ftepp), "undef")) {
1549 ftepp_inmacro(ftepp, "undef");
1550 return ftepp_undef(ftepp);
1552 else if (!strcmp(ftepp_tokval(ftepp), "ifdef")) {
1553 ftepp_inmacro(ftepp, "ifdef");
1554 if (!ftepp_ifdef(ftepp, &cond))
1556 cond.was_on = cond.on;
1557 vec_push(ftepp->conditions, cond);
1558 ftepp->output_on = ftepp->output_on && cond.on;
1561 else if (!strcmp(ftepp_tokval(ftepp), "ifndef")) {
1562 ftepp_inmacro(ftepp, "ifndef");
1563 if (!ftepp_ifdef(ftepp, &cond))
1566 cond.was_on = cond.on;
1567 vec_push(ftepp->conditions, cond);
1568 ftepp->output_on = ftepp->output_on && cond.on;
1571 else if (!strcmp(ftepp_tokval(ftepp), "elifdef")) {
1572 ftepp_inmacro(ftepp, "elifdef");
1573 if (!ftepp_else_allowed(ftepp))
1575 if (!ftepp_ifdef(ftepp, &cond))
1577 pc = &vec_last(ftepp->conditions);
1578 pc->on = !pc->was_on && cond.on;
1579 pc->was_on = pc->was_on || pc->on;
1580 ftepp_update_output_condition(ftepp);
1583 else if (!strcmp(ftepp_tokval(ftepp), "elifndef")) {
1584 ftepp_inmacro(ftepp, "elifndef");
1585 if (!ftepp_else_allowed(ftepp))
1587 if (!ftepp_ifdef(ftepp, &cond))
1590 pc = &vec_last(ftepp->conditions);
1591 pc->on = !pc->was_on && cond.on;
1592 pc->was_on = pc->was_on || pc->on;
1593 ftepp_update_output_condition(ftepp);
1596 else if (!strcmp(ftepp_tokval(ftepp), "elif")) {
1597 ftepp_inmacro(ftepp, "elif");
1598 if (!ftepp_else_allowed(ftepp))
1600 if (!ftepp_if(ftepp, &cond))
1602 pc = &vec_last(ftepp->conditions);
1603 pc->on = !pc->was_on && cond.on;
1604 pc->was_on = pc->was_on || pc->on;
1605 ftepp_update_output_condition(ftepp);
1608 else if (!strcmp(ftepp_tokval(ftepp), "if")) {
1609 ftepp_inmacro(ftepp, "if");
1610 if (!ftepp_if(ftepp, &cond))
1612 cond.was_on = cond.on;
1613 vec_push(ftepp->conditions, cond);
1614 ftepp->output_on = ftepp->output_on && cond.on;
1617 else if (!strcmp(ftepp_tokval(ftepp), "else")) {
1618 ftepp_inmacro(ftepp, "else");
1619 if (!ftepp_else_allowed(ftepp))
1621 pc = &vec_last(ftepp->conditions);
1622 pc->on = !pc->was_on;
1623 pc->had_else = true;
1625 ftepp_update_output_condition(ftepp);
1628 else if (!strcmp(ftepp_tokval(ftepp), "endif")) {
1629 ftepp_inmacro(ftepp, "endif");
1630 if (!vec_size(ftepp->conditions)) {
1631 ftepp_error(ftepp, "#endif without #if");
1634 vec_pop(ftepp->conditions);
1636 ftepp_update_output_condition(ftepp);
1639 else if (!strcmp(ftepp_tokval(ftepp), "include")) {
1640 ftepp_inmacro(ftepp, "include");
1641 return ftepp_include(ftepp);
1643 else if (!strcmp(ftepp_tokval(ftepp), "pragma")) {
1644 ftepp_out(ftepp, "#", false);
1647 else if (!strcmp(ftepp_tokval(ftepp), "warning")) {
1648 ftepp_directive_warning(ftepp);
1651 else if (!strcmp(ftepp_tokval(ftepp), "error")) {
1652 ftepp_directive_error(ftepp);
1655 else if (!strcmp(ftepp_tokval(ftepp), "message")) {
1656 ftepp_directive_message(ftepp);
1660 if (ftepp->output_on) {
1661 ftepp_error(ftepp, "unrecognized preprocessor directive: `%s`", ftepp_tokval(ftepp));
1668 /* break; never reached */
1670 ftepp_error(ftepp, "unexpected preprocessor token: `%s`", ftepp_tokval(ftepp));
1673 ftepp_errorat(ftepp, ctx, "empty preprocessor directive");
1676 ftepp_error(ftepp, "missing newline at end of file", ftepp_tokval(ftepp));
1679 /* Builtins! Don't forget the builtins! */
1680 case TOKEN_INTCONST:
1681 case TOKEN_FLOATCONST:
1682 ftepp_out(ftepp, "#", false);
1685 if (!ftepp_skipspace(ftepp))
1690 static bool ftepp_preprocess(ftepp_t *ftepp)
1693 bool newline = true;
1696 char *expand = NULL;
1698 ftepp->lex->flags.preprocessing = true;
1699 ftepp->lex->flags.mergelines = false;
1700 ftepp->lex->flags.noops = true;
1705 if (ftepp->token >= TOKEN_EOF)
1711 switch (ftepp->token) {
1714 case TOKEN_TYPENAME:
1715 /* is it a predef? */
1716 if (OPTS_FLAG(FTEPP_PREDEFS)) {
1717 char *(*predef)(ftepp_t*) = ftepp_predef(ftepp_tokval(ftepp));
1719 expand = predef(ftepp);
1720 ftepp_out (ftepp, expand, false);
1728 if (ftepp->output_on)
1729 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1734 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1738 if (!ftepp_macro_call(ftepp, macro))
1739 ftepp->token = TOKEN_ERROR;
1743 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1747 ftepp->lex->flags.mergelines = true;
1748 if (ftepp_next(ftepp) >= TOKEN_EOF) {
1749 ftepp_error(ftepp, "error in preprocessor directive");
1750 ftepp->token = TOKEN_ERROR;
1753 if (!ftepp_hash(ftepp))
1754 ftepp->token = TOKEN_ERROR;
1755 ftepp->lex->flags.mergelines = false;
1759 ftepp_out(ftepp, "\n", true);
1763 /* same as default but don't set newline=false */
1764 ftepp_out(ftepp, ftepp_tokval(ftepp), true);
1769 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1773 } while (!ftepp->errors && ftepp->token < TOKEN_EOF);
1775 /* force a 0 at the end but don't count it as added to the output */
1776 vec_push(ftepp->output_string, 0);
1777 vec_shrinkby(ftepp->output_string, 1);
1779 return (ftepp->token == TOKEN_EOF);
1782 /* Like in parser.c - files keep the previous state so we have one global
1783 * preprocessor. Except here we will want to warn about dangling #ifs.
1785 static bool ftepp_preprocess_done(ftepp_t *ftepp)
1788 if (vec_size(ftepp->conditions)) {
1789 if (ftepp_warn(ftepp, WARN_MULTIFILE_IF, "#if spanning multiple files, is this intended?"))
1792 lex_close(ftepp->lex);
1794 if (ftepp->itemname) {
1795 mem_d(ftepp->itemname);
1796 ftepp->itemname = NULL;
1801 bool ftepp_preprocess_file(ftepp_t *ftepp, const char *filename)
1803 ftepp->lex = lex_open(filename);
1804 ftepp->itemname = util_strdup(filename);
1806 con_out("failed to open file \"%s\"\n", filename);
1809 if (!ftepp_preprocess(ftepp))
1811 return ftepp_preprocess_done(ftepp);
1814 bool ftepp_preprocess_string(ftepp_t *ftepp, const char *name, const char *str)
1816 ftepp->lex = lex_open_string(str, strlen(str), name);
1817 ftepp->itemname = util_strdup(name);
1819 con_out("failed to create lexer for string \"%s\"\n", name);
1822 if (!ftepp_preprocess(ftepp))
1824 return ftepp_preprocess_done(ftepp);
1828 void ftepp_add_macro(ftepp_t *ftepp, const char *name, const char *value) {
1829 char *create = NULL;
1831 /* use saner path for empty macros */
1833 ftepp_add_define(ftepp, "__builtin__", name);
1837 vec_append(create, 8, "#define ");
1838 vec_append(create, strlen(name), name);
1839 vec_push (create, ' ');
1840 vec_append(create, strlen(value), value);
1841 vec_push (create, 0);
1843 ftepp_preprocess_string(ftepp, "__builtin__", create);
1847 ftepp_t *ftepp_create()
1854 ftepp = ftepp_new();
1858 memset(minor, 0, sizeof(minor));
1859 memset(major, 0, sizeof(major));
1861 /* set the right macro based on the selected standard */
1862 ftepp_add_define(ftepp, NULL, "GMQCC");
1863 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
1864 ftepp_add_define(ftepp, NULL, "__STD_FTEQCC__");
1873 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
1874 ftepp_add_define(ftepp, NULL, "__STD_GMQCC__");
1875 util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
1876 util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
1877 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) {
1878 ftepp_add_define(ftepp, NULL, "__STD_QCCX__");
1879 util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
1880 util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
1881 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
1882 ftepp_add_define(ftepp, NULL, "__STD_QCC__");
1893 ftepp_add_macro(ftepp, "__STD_VERSION_MINOR__", minor);
1894 ftepp_add_macro(ftepp, "__STD_VERSION_MAJOR__", major);
1897 * We're going to just make __NULL__ nil, which works for 60% of the
1898 * cases of __NULL_ for fteqcc.
1900 ftepp_add_macro(ftepp, "__NULL__", "nil");
1902 /* add all the math constants if they can be */
1903 for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++)
1904 if (!ftepp_macro_find(ftepp, ftepp_math_constants[i][0]))
1905 ftepp_add_macro(ftepp, ftepp_math_constants[i][0], ftepp_math_constants[i][1]);
1910 void ftepp_add_define(ftepp_t *ftepp, const char *source, const char *name)
1913 lex_ctx_t ctx = { "__builtin__", 0, 0 };
1915 macro = ppmacro_new(ctx, name);
1916 /*vec_push(ftepp->macros, macro);*/
1917 util_htset(ftepp->macros, name, macro);
1920 const char *ftepp_get(ftepp_t *ftepp)
1922 return ftepp->output_string;
1925 void ftepp_flush(ftepp_t *ftepp)
1927 ftepp_flush_do(ftepp);
1930 void ftepp_finish(ftepp_t *ftepp)
1934 ftepp_delete(ftepp);