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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 if (OPTS_FLAG(FTEPP_MATHDEFS)) {
534 for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++) {
535 if (!strcmp(ftepp_math_constants[i][0], ftepp_tokval(ftepp))) {
542 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
544 if (OPTS_FLAG(FTEPP_MATHDEFS)) {
545 /* user defined ones take precedence */
546 if (macro && mathconstant) {
547 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
552 if (macro && ftepp->output_on) {
553 if (ftepp_warn(ftepp, WARN_CPP, "redefining `%s`", ftepp_tokval(ftepp)))
555 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
557 macro = ppmacro_new(ftepp_ctx(ftepp), ftepp_tokval(ftepp));
560 ftepp_error(ftepp, "expected macro name");
564 (void)ftepp_next(ftepp);
566 if (ftepp->token == '(') {
567 macro->has_params = true;
568 if (!ftepp_define_params(ftepp, macro)) {
569 ppmacro_delete(macro);
574 if (!ftepp_skipspace(ftepp)) {
575 ppmacro_delete(macro);
579 if (!ftepp_define_body(ftepp, macro)) {
580 ppmacro_delete(macro);
584 if (ftepp->output_on)
585 util_htset(ftepp->macros, macro->name, (void*)macro);
587 ppmacro_delete(macro);
590 for (; l < ftepp_ctx(ftepp).line; ++l)
591 ftepp_out(ftepp, "\n", true);
596 * When a macro is used we have to handle parameters as well
597 * as special-concatenation via ## or stringification via #
599 * Note: parenthesis can nest, so FOO((a),b) is valid, but only
600 * this kind of parens. Curly braces or [] don't count towards the
607 static void macroparam_clean(macroparam *self)
610 for (i = 0; i < vec_size(self->tokens); ++i)
611 pptoken_delete(self->tokens[i]);
612 vec_free(self->tokens);
615 /* need to leave the last token up */
616 static bool ftepp_macro_call_params(ftepp_t *ftepp, macroparam **out_params)
618 macroparam *params = NULL;
624 if (!ftepp_skipallwhite(ftepp))
626 while (ftepp->token != ')') {
628 if (!ftepp_skipallwhite(ftepp))
630 while (parens || ftepp->token != ',') {
631 if (ftepp->token == '(')
633 else if (ftepp->token == ')') {
638 ptok = pptoken_make(ftepp);
639 vec_push(mp.tokens, ptok);
640 if (ftepp_next(ftepp) >= TOKEN_EOF) {
641 ftepp_error(ftepp, "unexpected end of file in macro call");
645 vec_push(params, mp);
647 if (ftepp->token == ')')
649 if (ftepp->token != ',') {
650 ftepp_error(ftepp, "expected closing paren or comma in macro call");
653 if (ftepp_next(ftepp) >= TOKEN_EOF) {
654 ftepp_error(ftepp, "unexpected end of file in macro call");
658 *out_params = params;
663 macroparam_clean(&mp);
664 for (i = 0; i < vec_size(params); ++i)
665 macroparam_clean(¶ms[i]);
670 static bool macro_params_find(ppmacro *macro, const char *name, size_t *idx)
673 for (i = 0; i < vec_size(macro->params); ++i) {
674 if (!strcmp(macro->params[i], name)) {
682 static void ftepp_stringify_token(ftepp_t *ftepp, pptoken *token)
687 switch (token->token) {
688 case TOKEN_STRINGCONST:
691 /* in preprocessor mode strings already are string,
692 * so we don't get actual newline bytes here.
693 * Still need to escape backslashes and quotes.
696 case '\\': ftepp_out(ftepp, "\\\\", false); break;
697 case '"': ftepp_out(ftepp, "\\\"", false); break;
700 ftepp_out(ftepp, chs, false);
707 ftepp_out(ftepp, " ", false);
710 ftepp_out(ftepp, "\\n", false);
713 ftepp_out(ftepp, token->value, false);
718 static void ftepp_stringify(ftepp_t *ftepp, macroparam *param)
721 ftepp_out(ftepp, "\"", false);
722 for (i = 0; i < vec_size(param->tokens); ++i)
723 ftepp_stringify_token(ftepp, param->tokens[i]);
724 ftepp_out(ftepp, "\"", false);
727 static void ftepp_recursion_header(ftepp_t *ftepp)
729 ftepp_out(ftepp, "\n#pragma push(line)\n", false);
732 static void ftepp_recursion_footer(ftepp_t *ftepp)
734 ftepp_out(ftepp, "\n#pragma pop(line)\n", false);
737 static void ftepp_param_out(ftepp_t *ftepp, macroparam *param)
741 for (i = 0; i < vec_size(param->tokens); ++i) {
742 out = param->tokens[i];
743 if (out->token == TOKEN_EOL)
744 ftepp_out(ftepp, "\n", false);
746 ftepp_out(ftepp, out->value, false);
750 static bool ftepp_preprocess(ftepp_t *ftepp);
751 static bool ftepp_macro_expand(ftepp_t *ftepp, ppmacro *macro, macroparam *params, bool resetline)
754 char *old_string = ftepp->output_string;
756 lex_file *old_lexer = ftepp->lex;
757 size_t vararg_start = vec_size(macro->params);
770 if (vararg_start < vec_size(params))
771 varargs = vec_size(params) - vararg_start;
776 if (!vec_size(macro->output))
779 ftepp->output_string = NULL;
780 for (o = 0; o < vec_size(macro->output); ++o) {
781 pptoken *out = macro->output[o];
782 switch (out->token) {
784 if (!macro->variadic) {
785 ftepp_error(ftepp, "internal preprocessor error: TOKEN_VA_ARGS in non-variadic macro");
786 vec_free(old_string);
793 ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
794 for (++pi; pi < varargs; ++pi) {
795 ftepp_out(ftepp, ", ", false);
796 ftepp_param_out(ftepp, ¶ms[pi + vararg_start]);
800 case TOKEN_VA_ARGS_ARRAY:
801 if ((size_t)out->constval.i >= varargs) {
802 ftepp_error(ftepp, "subscript of `[%u]` is out of bounds for `__VA_ARGS__`", out->constval.i);
803 vec_free(old_string);
807 ftepp_param_out(ftepp, ¶ms[out->constval.i + vararg_start]);
811 util_asprintf(&buffer, "%d", varargs);
812 ftepp_out(ftepp, buffer, false);
819 if (!macro_params_find(macro, out->value, &pi)) {
820 ftepp_out(ftepp, out->value, false);
823 ftepp_param_out(ftepp, ¶ms[pi]);
826 if (o + 1 < vec_size(macro->output)) {
827 nextok = macro->output[o+1]->token;
829 /* raw concatenation */
834 if ( (nextok == TOKEN_IDENT ||
835 nextok == TOKEN_KEYWORD ||
836 nextok == TOKEN_TYPENAME) &&
837 macro_params_find(macro, macro->output[o+1]->value, &pi))
841 ftepp_stringify(ftepp, ¶ms[pi]);
845 ftepp_out(ftepp, "#", false);
848 ftepp_out(ftepp, "\n", false);
852 if (vec_size(macro->output) > o + 1 && macro->output[o+1]->token == '#')
855 while (util_isspace(*buffer)) buffer++;
858 ftepp_out(ftepp, buffer, false);
862 vec_push(ftepp->output_string, 0);
863 /* Now run the preprocessor recursively on this string buffer */
865 printf("__________\n%s\n=========\n", ftepp->output_string);
867 inlex = lex_open_string(ftepp->output_string, vec_size(ftepp->output_string)-1, ftepp->lex->name);
869 ftepp_error(ftepp, "internal error: failed to instantiate lexer");
874 inlex->line = ftepp->lex->line;
875 inlex->sline = ftepp->lex->sline;
878 old_inmacro = ftepp->in_macro;
879 ftepp->in_macro = true;
880 ftepp->output_string = NULL;
881 if (!ftepp_preprocess(ftepp)) {
882 ftepp->in_macro = old_inmacro;
883 vec_free(ftepp->lex->open_string);
884 vec_free(ftepp->output_string);
885 lex_close(ftepp->lex);
889 ftepp->in_macro = old_inmacro;
890 vec_free(ftepp->lex->open_string);
891 lex_close(ftepp->lex);
893 inner_string = ftepp->output_string;
894 ftepp->output_string = old_string;
896 has_newlines = (strchr(inner_string, '\n') != NULL);
898 if (has_newlines && !old_inmacro)
899 ftepp_recursion_header(ftepp);
901 vec_append(ftepp->output_string, vec_size(inner_string), inner_string);
902 vec_free(inner_string);
904 if (has_newlines && !old_inmacro)
905 ftepp_recursion_footer(ftepp);
907 if (resetline && !ftepp->in_macro) {
909 util_snprintf(lineno, 128, "\n#pragma line(%lu)\n", (unsigned long)(old_lexer->sline));
910 ftepp_out(ftepp, lineno, false);
913 old_string = ftepp->output_string;
915 ftepp->lex = old_lexer;
916 ftepp->output_string = old_string;
920 static bool ftepp_macro_call(ftepp_t *ftepp, ppmacro *macro)
923 macroparam *params = NULL;
927 if (!macro->has_params) {
928 if (!ftepp_macro_expand(ftepp, macro, NULL, false))
935 if (!ftepp_skipallwhite(ftepp))
938 if (ftepp->token != '(') {
939 ftepp_error(ftepp, "expected macro parameters in parenthesis");
944 paramline = ftepp->lex->sline;
945 if (!ftepp_macro_call_params(ftepp, ¶ms))
948 if ( vec_size(params) < vec_size(macro->params) ||
949 (vec_size(params) > vec_size(macro->params) && !macro->variadic) )
951 ftepp_error(ftepp, "macro %s expects%s %u paramteters, %u provided", macro->name,
952 (macro->variadic ? " at least" : ""),
953 (unsigned int)vec_size(macro->params),
954 (unsigned int)vec_size(params));
959 if (!ftepp_macro_expand(ftepp, macro, params, (paramline != ftepp->lex->sline)))
964 for (o = 0; o < vec_size(params); ++o)
965 macroparam_clean(¶ms[o]);
971 * #if - the FTEQCC way:
972 * defined(FOO) => true if FOO was #defined regardless of parameters or contents
973 * <numbers> => True if the number is not 0
974 * !<factor> => True if the factor yields false
975 * !!<factor> => ERROR on 2 or more unary nots
976 * <macro> => becomes the macro's FIRST token regardless of parameters
977 * <e> && <e> => True if both expressions are true
978 * <e> || <e> => True if either expression is true
980 * <ident> => False (remember for macros the <macro> rule applies instead)
981 * Unary + and - are weird and wrong in fteqcc so we don't allow them
982 * parenthesis in expressions are allowed
983 * parameter lists on macros are errors
984 * No mathematical calculations are executed
986 static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out);
987 static bool ftepp_if_op(ftepp_t *ftepp)
989 ftepp->lex->flags.noops = false;
991 if (!ftepp_skipspace(ftepp))
993 ftepp->lex->flags.noops = true;
996 static bool ftepp_if_value(ftepp_t *ftepp, bool *out, double *value_out)
1000 bool wasneg = false;
1002 if (!ftepp_skipspace(ftepp))
1005 while (ftepp->token == '!') {
1008 if (!ftepp_skipspace(ftepp))
1012 if (ftepp->token == TOKEN_OPERATOR && !strcmp(ftepp_tokval(ftepp), "-"))
1016 if (!ftepp_skipspace(ftepp))
1020 switch (ftepp->token) {
1022 case TOKEN_TYPENAME:
1024 if (!strcmp(ftepp_tokval(ftepp), "defined")) {
1026 if (!ftepp_skipspace(ftepp))
1028 if (ftepp->token != '(') {
1029 ftepp_error(ftepp, "`defined` keyword in #if requires a macro name in parenthesis");
1033 if (!ftepp_skipspace(ftepp))
1035 if (ftepp->token != TOKEN_IDENT &&
1036 ftepp->token != TOKEN_TYPENAME &&
1037 ftepp->token != TOKEN_KEYWORD)
1039 ftepp_error(ftepp, "defined() used on an unexpected token type");
1042 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1045 if (!ftepp_skipspace(ftepp))
1047 if (ftepp->token != ')') {
1048 ftepp_error(ftepp, "expected closing paren");
1054 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1055 if (!macro || !vec_size(macro->output)) {
1059 /* This does not expand recursively! */
1060 switch (macro->output[0]->token) {
1061 case TOKEN_INTCONST:
1062 *value_out = macro->output[0]->constval.i;
1063 *out = !!(macro->output[0]->constval.i);
1065 case TOKEN_FLOATCONST:
1066 *value_out = macro->output[0]->constval.f;
1067 *out = !!(macro->output[0]->constval.f);
1075 case TOKEN_STRINGCONST:
1079 case TOKEN_INTCONST:
1080 *value_out = ftepp->lex->tok.constval.i;
1081 *out = !!(ftepp->lex->tok.constval.i);
1083 case TOKEN_FLOATCONST:
1084 *value_out = ftepp->lex->tok.constval.f;
1085 *out = !!(ftepp->lex->tok.constval.f);
1090 if (!ftepp_if_expr(ftepp, out, value_out))
1092 if (ftepp->token != ')') {
1093 ftepp_error(ftepp, "expected closing paren in #if expression");
1099 ftepp_error(ftepp, "junk in #if: `%s` ...", ftepp_tokval(ftepp));
1100 if (OPTS_OPTION_BOOL(OPTION_DEBUG))
1101 ftepp_error(ftepp, "internal: token %i\n", ftepp->token);
1105 *value_out = -*value_out;
1108 *value_out = (*out ? 1 : 0);
1114 static bool ftepp_if_nextvalue(ftepp_t *ftepp, bool *out, double *value_out)
1116 if (!ftepp_next(ftepp))
1118 return ftepp_if_value(ftepp, out, value_out);
1122 static bool ftepp_if_expr(ftepp_t *ftepp, bool *out, double *value_out)
1124 if (!ftepp_if_value(ftepp, out, value_out))
1127 if (!ftepp_if_op(ftepp))
1130 if (ftepp->token == ')' || ftepp->token != TOKEN_OPERATOR)
1133 /* FTEQCC is all right-associative and no precedence here */
1134 if (!strcmp(ftepp_tokval(ftepp), "&&") ||
1135 !strcmp(ftepp_tokval(ftepp), "||"))
1138 char opc = ftepp_tokval(ftepp)[0];
1142 if (!ftepp_next(ftepp))
1144 if (!ftepp_if_expr(ftepp, &next, &nextvalue))
1148 *out = *out && next;
1150 *out = *out || next;
1152 *value_out = (*out ? 1 : 0);
1155 else if (!strcmp(ftepp_tokval(ftepp), "==") ||
1156 !strcmp(ftepp_tokval(ftepp), "!=") ||
1157 !strcmp(ftepp_tokval(ftepp), ">=") ||
1158 !strcmp(ftepp_tokval(ftepp), "<=") ||
1159 !strcmp(ftepp_tokval(ftepp), ">") ||
1160 !strcmp(ftepp_tokval(ftepp), "<"))
1163 const char opc0 = ftepp_tokval(ftepp)[0];
1164 const char opc1 = ftepp_tokval(ftepp)[1];
1167 if (!ftepp_next(ftepp))
1169 if (!ftepp_if_expr(ftepp, &next, &other))
1173 *out = (*value_out == other);
1174 else if (opc0 == '!')
1175 *out = (*value_out != other);
1176 else if (opc0 == '>') {
1177 if (opc1 == '=') *out = (*value_out >= other);
1178 else *out = (*value_out > other);
1180 else if (opc0 == '<') {
1181 if (opc1 == '=') *out = (*value_out <= other);
1182 else *out = (*value_out < other);
1184 *value_out = (*out ? 1 : 0);
1189 ftepp_error(ftepp, "junk after #if");
1194 static bool ftepp_if(ftepp_t *ftepp, ppcondition *cond)
1196 bool result = false;
1199 memset(cond, 0, sizeof(*cond));
1200 (void)ftepp_next(ftepp);
1202 if (!ftepp_skipspace(ftepp))
1204 if (ftepp->token == TOKEN_EOL) {
1205 ftepp_error(ftepp, "expected expression for #if-directive");
1209 if (!ftepp_if_expr(ftepp, &result, &dummy))
1217 * ifdef is rather simple
1219 static bool ftepp_ifdef(ftepp_t *ftepp, ppcondition *cond)
1222 memset(cond, 0, sizeof(*cond));
1223 (void)ftepp_next(ftepp);
1224 if (!ftepp_skipspace(ftepp))
1227 switch (ftepp->token) {
1229 case TOKEN_TYPENAME:
1231 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1234 ftepp_error(ftepp, "expected macro name");
1238 (void)ftepp_next(ftepp);
1239 if (!ftepp_skipspace(ftepp))
1241 /* relaxing this condition
1242 if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
1243 ftepp_error(ftepp, "stray tokens after #ifdef");
1252 * undef is also simple
1254 static bool ftepp_undef(ftepp_t *ftepp)
1256 (void)ftepp_next(ftepp);
1257 if (!ftepp_skipspace(ftepp))
1260 if (ftepp->output_on) {
1261 switch (ftepp->token) {
1263 case TOKEN_TYPENAME:
1265 ftepp_macro_delete(ftepp, ftepp_tokval(ftepp));
1268 ftepp_error(ftepp, "expected macro name");
1273 (void)ftepp_next(ftepp);
1274 if (!ftepp_skipspace(ftepp))
1276 /* relaxing this condition
1277 if (ftepp->token != TOKEN_EOL && ftepp->token != TOKEN_EOF) {
1278 ftepp_error(ftepp, "stray tokens after #ifdef");
1285 /* Special unescape-string function which skips a leading quote
1286 * and stops at a quote, not just at \0
1288 static void unescape(const char *str, char *out) {
1290 while (*str && *str != '"') {
1294 case '\\': *out++ = *str; break;
1295 case '"': *out++ = *str; break;
1296 case 'a': *out++ = '\a'; break;
1297 case 'b': *out++ = '\b'; break;
1298 case 'r': *out++ = '\r'; break;
1299 case 'n': *out++ = '\n'; break;
1300 case 't': *out++ = '\t'; break;
1301 case 'f': *out++ = '\f'; break;
1302 case 'v': *out++ = '\v'; break;
1317 static char *ftepp_include_find_path(const char *file, const char *pathfile)
1320 char *filename = NULL;
1321 const char *last_slash;
1327 last_slash = strrchr(pathfile, '/');
1330 len = last_slash - pathfile;
1331 memcpy(vec_add(filename, len), pathfile, len);
1332 vec_push(filename, '/');
1336 memcpy(vec_add(filename, len+1), file, len);
1337 vec_last(filename) = 0;
1339 fp = fs_file_open(filename, "rb");
1348 static char *ftepp_include_find(ftepp_t *ftepp, const char *file)
1350 char *filename = NULL;
1352 filename = ftepp_include_find_path(file, ftepp->includename);
1354 filename = ftepp_include_find_path(file, ftepp->itemname);
1358 static bool ftepp_directive_warning(ftepp_t *ftepp) {
1359 char *message = NULL;
1361 if (!ftepp_skipspace(ftepp))
1364 /* handle the odd non string constant case so it works like C */
1365 if (ftepp->token != TOKEN_STRINGCONST) {
1367 vec_append(message, 8, "#warning");
1369 while (ftepp->token != TOKEN_EOL) {
1370 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1373 vec_push(message, '\0');
1374 if (ftepp->output_on)
1375 store = ftepp_warn(ftepp, WARN_CPP, message);
1382 if (!ftepp->output_on)
1385 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1386 return ftepp_warn(ftepp, WARN_CPP, "#warning %s", ftepp_tokval(ftepp));
1389 static void ftepp_directive_error(ftepp_t *ftepp) {
1390 char *message = NULL;
1392 if (!ftepp_skipspace(ftepp))
1395 /* handle the odd non string constant case so it works like C */
1396 if (ftepp->token != TOKEN_STRINGCONST) {
1397 vec_append(message, 6, "#error");
1399 while (ftepp->token != TOKEN_EOL) {
1400 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1403 vec_push(message, '\0');
1404 if (ftepp->output_on)
1405 ftepp_error(ftepp, message);
1410 if (!ftepp->output_on)
1413 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1414 ftepp_error(ftepp, "#error %s", ftepp_tokval(ftepp));
1417 static void ftepp_directive_message(ftepp_t *ftepp) {
1418 char *message = NULL;
1420 if (!ftepp_skipspace(ftepp))
1423 /* handle the odd non string constant case so it works like C */
1424 if (ftepp->token != TOKEN_STRINGCONST) {
1425 vec_append(message, 8, "#message");
1427 while (ftepp->token != TOKEN_EOL) {
1428 vec_append(message, strlen(ftepp_tokval(ftepp)), ftepp_tokval(ftepp));
1431 vec_push(message, '\0');
1432 if (ftepp->output_on)
1433 con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", message);
1438 if (!ftepp->output_on)
1441 unescape (ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1442 con_cprintmsg(ftepp->lex->tok.ctx, LVL_MSG, "message", ftepp_tokval(ftepp));
1447 * FIXME: do we need/want a -I option?
1448 * FIXME: what about when dealing with files in subdirectories coming from a progs.src?
1450 static bool ftepp_include(ftepp_t *ftepp)
1452 lex_file *old_lexer = ftepp->lex;
1457 char *old_includename;
1459 (void)ftepp_next(ftepp);
1460 if (!ftepp_skipspace(ftepp))
1463 if (ftepp->token != TOKEN_STRINGCONST) {
1464 ftepp_error(ftepp, "expected filename to include");
1468 if (!ftepp->output_on) {
1473 ctx = ftepp_ctx(ftepp);
1475 unescape(ftepp_tokval(ftepp), ftepp_tokval(ftepp));
1477 ftepp_out(ftepp, "\n#pragma file(", false);
1478 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1479 ftepp_out(ftepp, ")\n#pragma line(1)\n", false);
1481 filename = ftepp_include_find(ftepp, ftepp_tokval(ftepp));
1483 ftepp_error(ftepp, "failed to open include file `%s`", ftepp_tokval(ftepp));
1486 inlex = lex_open(filename);
1488 ftepp_error(ftepp, "open failed on include file `%s`", filename);
1493 old_includename = ftepp->includename;
1494 ftepp->includename = filename;
1495 if (!ftepp_preprocess(ftepp)) {
1496 vec_free(ftepp->includename);
1497 ftepp->includename = old_includename;
1498 lex_close(ftepp->lex);
1499 ftepp->lex = old_lexer;
1502 vec_free(ftepp->includename);
1503 ftepp->includename = old_includename;
1504 lex_close(ftepp->lex);
1505 ftepp->lex = old_lexer;
1507 ftepp_out(ftepp, "\n#pragma file(", false);
1508 ftepp_out(ftepp, ctx.file, false);
1509 util_snprintf(lineno, sizeof(lineno), ")\n#pragma line(%lu)\n", (unsigned long)(ctx.line+1));
1510 ftepp_out(ftepp, lineno, false);
1513 (void)ftepp_next(ftepp);
1514 if (!ftepp_skipspace(ftepp))
1516 if (ftepp->token != TOKEN_EOL) {
1517 ftepp_error(ftepp, "stray tokens after #include");
1520 (void)ftepp_next(ftepp);
1525 /* Basic structure handlers */
1526 static bool ftepp_else_allowed(ftepp_t *ftepp)
1528 if (!vec_size(ftepp->conditions)) {
1529 ftepp_error(ftepp, "#else without #if");
1532 if (vec_last(ftepp->conditions).had_else) {
1533 ftepp_error(ftepp, "multiple #else for a single #if");
1539 static GMQCC_INLINE void ftepp_inmacro(ftepp_t *ftepp, const char *hash) {
1540 if (ftepp->in_macro)
1541 (void)!ftepp_warn(ftepp, WARN_DIRECTIVE_INMACRO, "`#%s` directive in macro", hash);
1544 static bool ftepp_hash(ftepp_t *ftepp)
1549 lex_ctx_t ctx = ftepp_ctx(ftepp);
1551 if (!ftepp_skipspace(ftepp))
1554 switch (ftepp->token) {
1557 case TOKEN_TYPENAME:
1558 if (!strcmp(ftepp_tokval(ftepp), "define")) {
1559 ftepp_inmacro(ftepp, "define");
1560 return ftepp_define(ftepp);
1562 else if (!strcmp(ftepp_tokval(ftepp), "undef")) {
1563 ftepp_inmacro(ftepp, "undef");
1564 return ftepp_undef(ftepp);
1566 else if (!strcmp(ftepp_tokval(ftepp), "ifdef")) {
1567 ftepp_inmacro(ftepp, "ifdef");
1568 if (!ftepp_ifdef(ftepp, &cond))
1570 cond.was_on = cond.on;
1571 vec_push(ftepp->conditions, cond);
1572 ftepp->output_on = ftepp->output_on && cond.on;
1575 else if (!strcmp(ftepp_tokval(ftepp), "ifndef")) {
1576 ftepp_inmacro(ftepp, "ifndef");
1577 if (!ftepp_ifdef(ftepp, &cond))
1580 cond.was_on = cond.on;
1581 vec_push(ftepp->conditions, cond);
1582 ftepp->output_on = ftepp->output_on && cond.on;
1585 else if (!strcmp(ftepp_tokval(ftepp), "elifdef")) {
1586 ftepp_inmacro(ftepp, "elifdef");
1587 if (!ftepp_else_allowed(ftepp))
1589 if (!ftepp_ifdef(ftepp, &cond))
1591 pc = &vec_last(ftepp->conditions);
1592 pc->on = !pc->was_on && cond.on;
1593 pc->was_on = pc->was_on || pc->on;
1594 ftepp_update_output_condition(ftepp);
1597 else if (!strcmp(ftepp_tokval(ftepp), "elifndef")) {
1598 ftepp_inmacro(ftepp, "elifndef");
1599 if (!ftepp_else_allowed(ftepp))
1601 if (!ftepp_ifdef(ftepp, &cond))
1604 pc = &vec_last(ftepp->conditions);
1605 pc->on = !pc->was_on && cond.on;
1606 pc->was_on = pc->was_on || pc->on;
1607 ftepp_update_output_condition(ftepp);
1610 else if (!strcmp(ftepp_tokval(ftepp), "elif")) {
1611 ftepp_inmacro(ftepp, "elif");
1612 if (!ftepp_else_allowed(ftepp))
1614 if (!ftepp_if(ftepp, &cond))
1616 pc = &vec_last(ftepp->conditions);
1617 pc->on = !pc->was_on && cond.on;
1618 pc->was_on = pc->was_on || pc->on;
1619 ftepp_update_output_condition(ftepp);
1622 else if (!strcmp(ftepp_tokval(ftepp), "if")) {
1623 ftepp_inmacro(ftepp, "if");
1624 if (!ftepp_if(ftepp, &cond))
1626 cond.was_on = cond.on;
1627 vec_push(ftepp->conditions, cond);
1628 ftepp->output_on = ftepp->output_on && cond.on;
1631 else if (!strcmp(ftepp_tokval(ftepp), "else")) {
1632 ftepp_inmacro(ftepp, "else");
1633 if (!ftepp_else_allowed(ftepp))
1635 pc = &vec_last(ftepp->conditions);
1636 pc->on = !pc->was_on;
1637 pc->had_else = true;
1639 ftepp_update_output_condition(ftepp);
1642 else if (!strcmp(ftepp_tokval(ftepp), "endif")) {
1643 ftepp_inmacro(ftepp, "endif");
1644 if (!vec_size(ftepp->conditions)) {
1645 ftepp_error(ftepp, "#endif without #if");
1648 vec_pop(ftepp->conditions);
1650 ftepp_update_output_condition(ftepp);
1653 else if (!strcmp(ftepp_tokval(ftepp), "include")) {
1654 ftepp_inmacro(ftepp, "include");
1655 return ftepp_include(ftepp);
1657 else if (!strcmp(ftepp_tokval(ftepp), "pragma")) {
1658 ftepp_out(ftepp, "#", false);
1661 else if (!strcmp(ftepp_tokval(ftepp), "warning")) {
1662 ftepp_directive_warning(ftepp);
1665 else if (!strcmp(ftepp_tokval(ftepp), "error")) {
1666 ftepp_directive_error(ftepp);
1669 else if (!strcmp(ftepp_tokval(ftepp), "message")) {
1670 ftepp_directive_message(ftepp);
1674 if (ftepp->output_on) {
1675 ftepp_error(ftepp, "unrecognized preprocessor directive: `%s`", ftepp_tokval(ftepp));
1682 /* break; never reached */
1684 ftepp_error(ftepp, "unexpected preprocessor token: `%s`", ftepp_tokval(ftepp));
1687 ftepp_errorat(ftepp, ctx, "empty preprocessor directive");
1690 ftepp_error(ftepp, "missing newline at end of file", ftepp_tokval(ftepp));
1693 /* Builtins! Don't forget the builtins! */
1694 case TOKEN_INTCONST:
1695 case TOKEN_FLOATCONST:
1696 ftepp_out(ftepp, "#", false);
1699 if (!ftepp_skipspace(ftepp))
1704 static bool ftepp_preprocess(ftepp_t *ftepp)
1707 bool newline = true;
1710 char *expand = NULL;
1712 ftepp->lex->flags.preprocessing = true;
1713 ftepp->lex->flags.mergelines = false;
1714 ftepp->lex->flags.noops = true;
1719 if (ftepp->token >= TOKEN_EOF)
1725 switch (ftepp->token) {
1728 case TOKEN_TYPENAME:
1729 /* is it a predef? */
1730 if (OPTS_FLAG(FTEPP_PREDEFS)) {
1731 char *(*predef)(ftepp_t*) = ftepp_predef(ftepp_tokval(ftepp));
1733 expand = predef(ftepp);
1734 ftepp_out (ftepp, expand, false);
1742 if (ftepp->output_on)
1743 macro = ftepp_macro_find(ftepp, ftepp_tokval(ftepp));
1748 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1752 if (!ftepp_macro_call(ftepp, macro))
1753 ftepp->token = TOKEN_ERROR;
1757 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1761 ftepp->lex->flags.mergelines = true;
1762 if (ftepp_next(ftepp) >= TOKEN_EOF) {
1763 ftepp_error(ftepp, "error in preprocessor directive");
1764 ftepp->token = TOKEN_ERROR;
1767 if (!ftepp_hash(ftepp))
1768 ftepp->token = TOKEN_ERROR;
1769 ftepp->lex->flags.mergelines = false;
1773 ftepp_out(ftepp, "\n", true);
1777 /* same as default but don't set newline=false */
1778 ftepp_out(ftepp, ftepp_tokval(ftepp), true);
1783 ftepp_out(ftepp, ftepp_tokval(ftepp), false);
1787 } while (!ftepp->errors && ftepp->token < TOKEN_EOF);
1789 /* force a 0 at the end but don't count it as added to the output */
1790 vec_push(ftepp->output_string, 0);
1791 vec_shrinkby(ftepp->output_string, 1);
1793 return (ftepp->token == TOKEN_EOF);
1796 /* Like in parser.c - files keep the previous state so we have one global
1797 * preprocessor. Except here we will want to warn about dangling #ifs.
1799 static bool ftepp_preprocess_done(ftepp_t *ftepp)
1802 if (vec_size(ftepp->conditions)) {
1803 if (ftepp_warn(ftepp, WARN_MULTIFILE_IF, "#if spanning multiple files, is this intended?"))
1806 lex_close(ftepp->lex);
1808 if (ftepp->itemname) {
1809 mem_d(ftepp->itemname);
1810 ftepp->itemname = NULL;
1815 bool ftepp_preprocess_file(ftepp_t *ftepp, const char *filename)
1817 ftepp->lex = lex_open(filename);
1818 ftepp->itemname = util_strdup(filename);
1820 con_out("failed to open file \"%s\"\n", filename);
1823 if (!ftepp_preprocess(ftepp))
1825 return ftepp_preprocess_done(ftepp);
1828 bool ftepp_preprocess_string(ftepp_t *ftepp, const char *name, const char *str)
1830 ftepp->lex = lex_open_string(str, strlen(str), name);
1831 ftepp->itemname = util_strdup(name);
1833 con_out("failed to create lexer for string \"%s\"\n", name);
1836 if (!ftepp_preprocess(ftepp))
1838 return ftepp_preprocess_done(ftepp);
1842 void ftepp_add_macro(ftepp_t *ftepp, const char *name, const char *value) {
1843 char *create = NULL;
1845 /* use saner path for empty macros */
1847 ftepp_add_define(ftepp, "__builtin__", name);
1851 vec_append(create, 8, "#define ");
1852 vec_append(create, strlen(name), name);
1853 vec_push (create, ' ');
1854 vec_append(create, strlen(value), value);
1855 vec_push (create, 0);
1857 ftepp_preprocess_string(ftepp, "__builtin__", create);
1861 ftepp_t *ftepp_create()
1868 ftepp = ftepp_new();
1872 memset(minor, 0, sizeof(minor));
1873 memset(major, 0, sizeof(major));
1875 /* set the right macro based on the selected standard */
1876 ftepp_add_define(ftepp, NULL, "GMQCC");
1877 if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_FTEQCC) {
1878 ftepp_add_define(ftepp, NULL, "__STD_FTEQCC__");
1887 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_GMQCC) {
1888 ftepp_add_define(ftepp, NULL, "__STD_GMQCC__");
1889 util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
1890 util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
1891 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCCX) {
1892 ftepp_add_define(ftepp, NULL, "__STD_QCCX__");
1893 util_snprintf(major, 32, "\"%d\"", GMQCC_VERSION_MAJOR);
1894 util_snprintf(minor, 32, "\"%d\"", GMQCC_VERSION_MINOR);
1895 } else if (OPTS_OPTION_U32(OPTION_STANDARD) == COMPILER_QCC) {
1896 ftepp_add_define(ftepp, NULL, "__STD_QCC__");
1907 ftepp_add_macro(ftepp, "__STD_VERSION_MINOR__", minor);
1908 ftepp_add_macro(ftepp, "__STD_VERSION_MAJOR__", major);
1911 * We're going to just make __NULL__ nil, which works for 60% of the
1912 * cases of __NULL_ for fteqcc.
1914 ftepp_add_macro(ftepp, "__NULL__", "nil");
1916 /* add all the math constants if they can be */
1917 if (OPTS_FLAG(FTEPP_MATHDEFS)) {
1918 for (i = 0; i < GMQCC_ARRAY_COUNT(ftepp_math_constants); i++)
1919 if (!ftepp_macro_find(ftepp, ftepp_math_constants[i][0]))
1920 ftepp_add_macro(ftepp, ftepp_math_constants[i][0], ftepp_math_constants[i][1]);
1926 void ftepp_add_define(ftepp_t *ftepp, const char *source, const char *name)
1929 lex_ctx_t ctx = { "__builtin__", 0, 0 };
1931 macro = ppmacro_new(ctx, name);
1932 /*vec_push(ftepp->macros, macro);*/
1933 util_htset(ftepp->macros, name, macro);
1936 const char *ftepp_get(ftepp_t *ftepp)
1938 return ftepp->output_string;
1941 void ftepp_flush(ftepp_t *ftepp)
1943 ftepp_flush_do(ftepp);
1946 void ftepp_finish(ftepp_t *ftepp)
1950 ftepp_delete(ftepp);