2 * This file is part of cparser.
3 * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
36 /* no eXecute on Win32 */
41 #define O_RDWR _O_RDWR
42 #define O_CREAT _O_CREAT
43 #define O_EXCL _O_EXCL
44 #define O_BINARY _O_BINARY
46 /* remap some names, we are not in the POSIX world */
47 #define access(fname, mode) _access(fname, mode)
48 #define mktemp(tmpl) _mktemp(tmpl)
49 #define open(fname, oflag, mode) _open(fname, oflag, mode)
50 #define fdopen(fd, mode) _fdopen(fd, mode)
51 #define popen(cmd, mode) _popen(cmd, mode)
52 #define pclose(file) _pclose(file)
63 #include <libfirm/firm.h>
64 #include <libfirm/be.h>
69 #include "type_hash.h"
72 #include "diagnostic.h"
73 #include "lang_features.h"
74 #include "driver/firm_opt.h"
75 #include "driver/firm_cmdline.h"
76 #include "adt/error.h"
77 #include "write_fluffy.h"
78 #include "write_caml.h"
83 #define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=__SIZE_TYPE__ -m32 -U__STRICT_ANSI__"
87 #define LINKER "gcc -m32"
91 #define ASSEMBLER "as --32"
94 /** The current c mode/dialect. */
95 unsigned int c_mode = _C89|_C99|_GNUC;
97 /** The 'machine size', 16, 32 or 64 bit, 32bit is the default. */
98 unsigned int machine_size = 32;
100 /** true if the char type is signed. */
101 bool char_is_signed = true;
103 /** true for strict language checking. */
104 bool strict_mode = false;
106 /** use builtins for some libc functions */
107 bool use_builtins = false;
109 /* to switch on printing of implicit casts */
110 extern bool print_implicit_casts;
112 /* to switch on printing of parenthesis to indicate operator precedence */
113 extern bool print_parenthesis;
116 static struct obstack cppflags_obst, ldflags_obst;
117 static char dep_target[1024];
118 static const char *outname;
120 typedef struct file_list_entry_t file_list_entry_t;
122 typedef enum filetype_t {
125 FILETYPE_PREPROCESSED_C,
127 FILETYPE_PREPROCESSED_ASSEMBLER,
132 struct file_list_entry_t {
133 const char *name; /**< filename or NULL for stdin */
135 file_list_entry_t *next;
138 #if defined(_DEBUG) || defined(FIRM_DEBUG)
140 * Debug printf implementation.
142 * @param fmt printf style format parameter
144 void dbg_printf(const char *fmt, ...)
148 if (firm_dump.debug_print) {
154 #endif /* defined(_DEBUG) || defined(FIRM_DEBUG) */
156 static void initialize_firm(void)
160 dump_consts_local(1);
161 dump_keepalive_edges(1);
164 static void get_output_name(char *buf, size_t buflen, const char *inputname,
167 size_t last_dot = 0xffffffff;
170 if(inputname == NULL) {
171 snprintf(buf, buflen, "a%s", newext);
175 for(const char *c = inputname; *c != 0; ++c) {
180 if(last_dot == 0xffffffff)
183 if(last_dot >= buflen)
184 panic("filename too long");
185 memcpy(buf, inputname, last_dot);
187 size_t extlen = strlen(newext) + 1;
188 if(extlen + last_dot >= buflen)
189 panic("filename too long");
190 memcpy(buf+last_dot, newext, extlen);
193 #include "builtins.h"
195 static translation_unit_t *do_parsing(FILE *const in, const char *const input_name)
200 lexer_open_buffer(builtins, sizeof(builtins)-1, "<builtin>");
204 lexer_open_stream(in, input_name);
207 translation_unit_t *unit = finish_parsing();
211 static void lextest(FILE *in, const char *fname)
213 lexer_open_stream(in, fname);
216 lexer_next_preprocessing_token();
217 print_token(stdout, &lexer_token);
219 } while(lexer_token.type != T_EOF);
222 static void add_flag(struct obstack *obst, const char *format, ...)
225 va_start(ap, format);
228 vsnprintf(buf, sizeof(buf), format, ap);
230 /* escape stuff... */
231 obstack_1grow(obst, ' ');
232 for (char *c = buf; *c != '\0'; ++c) {
245 obstack_1grow(obst, '\\');
248 obstack_1grow(obst, *c);
256 static FILE *preprocess(const char *fname)
258 obstack_1grow(&cppflags_obst, '\0');
259 const char *flags = obstack_finish(&cppflags_obst);
261 obstack_printf(&cppflags_obst, "%s", PREPROCESSOR);
262 if (dep_target[0] != '\0') {
263 add_flag(&cppflags_obst, "-MF");
264 add_flag(&cppflags_obst, "%s", dep_target);
265 if (outname != NULL) {
266 add_flag(&cppflags_obst, "-MQ");
267 add_flag(&cppflags_obst, "%s", outname);
270 if (flags[0] != '\0') {
271 obstack_printf(&cppflags_obst, " %s", flags);
273 add_flag(&cppflags_obst, "%s", fname);
275 obstack_1grow(&cppflags_obst, '\0');
276 const char *buf = obstack_finish(&cppflags_obst);
281 FILE *f = popen(buf, "r");
283 fprintf(stderr, "invoking preprocessor failed\n");
290 static void assemble(const char *out, const char *in)
294 snprintf(buf, sizeof(buf), "%s %s -o %s", ASSEMBLER, in, out);
299 int err = system(buf);
301 fprintf(stderr, "assembler reported an error\n");
306 static const char *try_dir(const char *dir)
310 if(access(dir, R_OK | W_OK | X_OK) == 0)
315 static const char *get_tempdir(void)
317 static const char *tmpdir = NULL;
323 tmpdir = try_dir(getenv("TMPDIR"));
325 tmpdir = try_dir(getenv("TMP"));
327 tmpdir = try_dir(getenv("TEMP"));
331 tmpdir = try_dir(P_tmpdir);
335 tmpdir = try_dir("/var/tmp");
337 tmpdir = try_dir("/usr/tmp");
339 tmpdir = try_dir("/tmp");
348 /* cheap and nasty mkstemp replacement */
349 static int mkstemp(char *templ)
352 return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
357 * an own version of tmpnam, which: writes in a buffer, emits no warnings
358 * during linking (like glibc/gnu ld do for tmpnam)...
360 static FILE *make_temp_file(char *buffer, size_t buflen, const char *prefix)
362 const char *tempdir = get_tempdir();
364 snprintf(buffer, buflen, "%s/%sXXXXXX", tempdir, prefix);
366 int fd = mkstemp(buffer);
368 fprintf(stderr, "couldn't create temporary file: %s\n",
372 FILE *out = fdopen(fd, "w");
374 fprintf(stderr, "couldn't create temporary file FILE*\n");
382 * Do the necessary lowering for compound parameters.
384 void lower_compound_params(void)
386 lower_params_t params;
388 params.def_ptr_alignment = 4;
389 params.flags = LF_COMPOUND_RETURN | LF_RETURN_HIDDEN;
390 params.hidden_params = ADD_HIDDEN_ALWAYS_IN_FRONT;
391 params.find_pointer_type = NULL;
392 params.ret_compound_in_regs = NULL;
393 lower_calls_with_compounds(¶ms);
396 typedef enum compile_mode_t {
410 static void usage(const char *argv0)
412 fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0);
415 static void print_cparser_version(void) {
417 firm_get_version(&ver);
419 printf("cparser (%s) using libFirm (%u.%u",
420 cparser_REVISION, ver.major, ver.minor);
421 if(ver.revision[0] != 0) {
423 fputs(ver.revision, stdout);
425 if(ver.build[0] != 0) {
427 fputs(ver.build, stdout);
432 static void set_be_option(const char *arg)
434 int res = firm_be_option(arg);
439 static void set_option(const char *arg)
441 int res = firm_option(arg);
446 static void copy_file(FILE *dest, FILE *input)
450 while (!feof(input) && !ferror(dest)) {
451 size_t read = fread(buf, 1, sizeof(buf), input);
452 if(fwrite(buf, 1, read, dest) != read) {
453 perror("couldn't write output");
458 static inline bool streq(char const* a, char const* b)
460 return strcmp(a, b) == 0;
463 static inline bool strstart(char const* str, char const* start)
468 } while (*str++ == *start++);
472 static FILE *open_file(const char *filename)
474 if (streq(filename, "-")) {
478 FILE *in = fopen(filename, "r");
480 fprintf(stderr, "Couldn't open '%s': %s\n", filename,
488 static filetype_t get_filetype_from_string(const char *string)
490 if (streq(string, "c") || streq(string, "c-header"))
492 if (streq(string, "assembler"))
493 return FILETYPE_PREPROCESSED_ASSEMBLER;
494 if (streq(string, "assembler-with-cpp"))
495 return FILETYPE_ASSEMBLER;
496 if (streq(string, "none"))
497 return FILETYPE_AUTODETECT;
499 return FILETYPE_UNKNOWN;
502 int main(int argc, char **argv)
506 const char *dumpfunction = NULL;
507 compile_mode_t mode = CompileAssembleLink;
509 int result = EXIT_SUCCESS;
510 char cpu_arch[16] = "ia32";
511 file_list_entry_t *files = NULL;
512 file_list_entry_t *last_file = NULL;
513 bool construct_dep_target = false;
514 struct obstack file_obst;
516 obstack_init(&cppflags_obst);
517 obstack_init(&ldflags_obst);
518 obstack_init(&file_obst);
520 #define GET_ARG_AFTER(def, args) \
521 def = &arg[sizeof(args)-1]; \
522 if(def[0] == '\0') { \
525 fprintf(stderr, "error: expected argument after '" args "'\n"); \
526 argument_errors = true; \
530 if(def[0] == '-' && def[1] != '\0') { \
531 fprintf(stderr, "error: expected argument after '" args "'\n"); \
532 argument_errors = true; \
537 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
539 /* early options parsing (find out optimisation level) */
540 for(int i = 1; i < argc; ++i) {
541 const char *arg = argv[i];
545 const char *option = &arg[1];
546 if(option[0] == 'O') {
547 sscanf(&option[1], "%d", &opt_level);
551 /* apply optimisation level */
554 set_option("no-opt");
557 set_option("no-inline");
561 set_option("strict-aliasing");
564 set_option("cond-eval");
565 set_option("if-conv");
569 set_option("inline");
570 set_option("deconv");
571 set_be_option("omitfp");
575 /* parse rest of options */
576 filetype_t forced_filetype = FILETYPE_AUTODETECT;
577 bool help_displayed = false;
578 bool argument_errors = false;
579 for(int i = 1; i < argc; ++i) {
580 const char *arg = argv[i];
581 if(arg[0] == '-' && arg[1] != 0) {
583 const char *option = &arg[1];
584 if(option[0] == 'o') {
585 GET_ARG_AFTER(outname, "-o");
586 } else if(option[0] == 'g') {
587 set_be_option("debuginfo=stabs");
588 set_be_option("omitfp=no");
589 set_be_option("ia32-nooptcc=yes");
590 } else if(SINGLE_OPTION('c')) {
591 mode = CompileAssemble;
592 } else if(SINGLE_OPTION('E')) {
593 mode = PreprocessOnly;
594 } else if(SINGLE_OPTION('S')) {
596 } else if(option[0] == 'O') {
598 } else if(option[0] == 'I') {
600 GET_ARG_AFTER(opt, "-I");
601 add_flag(&cppflags_obst, "-I%s", opt);
602 } else if(option[0] == 'D') {
604 GET_ARG_AFTER(opt, "-D");
605 add_flag(&cppflags_obst, "-D%s", opt);
606 } else if(option[0] == 'U') {
608 GET_ARG_AFTER(opt, "-U");
609 add_flag(&cppflags_obst, "-U%s", opt);
610 } else if(option[0] == 'l') {
612 GET_ARG_AFTER(opt, "-l");
613 add_flag(&ldflags_obst, "-l%s", opt);
614 } else if(option[0] == 'L') {
616 GET_ARG_AFTER(opt, "-L");
617 add_flag(&ldflags_obst, "-L%s", opt);
618 } else if(SINGLE_OPTION('v')) {
620 } else if(SINGLE_OPTION('w')) {
621 inhibit_all_warnings = true;
622 } else if(option[0] == 'x') {
624 GET_ARG_AFTER(opt, "-x");
625 forced_filetype = get_filetype_from_string(opt);
626 if (forced_filetype == FILETYPE_UNKNOWN) {
627 fprintf(stderr, "Unknown language '%s'\n", opt);
628 argument_errors = true;
630 } else if (streq(option, "M")) {
631 mode = PreprocessOnly;
632 add_flag(&cppflags_obst, "-M");
633 } else if (streq(option, "MMD") ||
634 streq(option, "MD")) {
635 construct_dep_target = true;
636 add_flag(&cppflags_obst, "-%s", option);
637 } else if(streq(option, "MM") ||
638 streq(option, "MP")) {
639 add_flag(&cppflags_obst, "-%s", option);
640 } else if (streq(option, "MT") ||
641 streq(option, "MQ") ||
642 streq(option, "MF")) {
644 GET_ARG_AFTER(opt, "-MT");
645 add_flag(&cppflags_obst, "-%s", option);
646 add_flag(&cppflags_obst, "%s", opt);
647 } else if (streq(option, "pipe")) {
648 /* here for gcc compatibility */
649 } else if (option[0] == 'f') {
650 char const *orig_opt;
651 GET_ARG_AFTER(orig_opt, "-f");
653 if (strstart(orig_opt, "align-loops=") ||
654 strstart(orig_opt, "align-jumps=") ||
655 strstart(orig_opt, "align-functions=")) {
656 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
658 char const *opt = orig_opt;
659 bool truth_value = true;
660 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
665 if (streq(opt, "dollars-in-identifiers")) {
666 allow_dollar_in_symbol = truth_value;
667 } else if (streq(opt, "short-wchar")) {
668 opt_short_wchar_t = truth_value;
669 } else if (streq(opt, "syntax-only")) {
670 mode = truth_value ? ParseOnly : CompileAssembleLink;
671 } else if (streq(opt, "omit-frame-pointer")) {
672 set_be_option(truth_value ? "omitfp" : "omitfp=no");
673 } else if (streq(opt, "strength-reduce")) {
674 firm_option(truth_value ? "strength-red" : "no-strength-red");
675 } else if (streq(opt, "fast-math") ||
676 streq(opt, "jump-tables") ||
677 streq(opt, "unroll-loops") ||
678 streq(opt, "expensive-optimizations") ||
679 streq(opt, "common") ||
681 streq(opt, "align-loops") ||
682 streq(opt, "align-jumps") ||
683 streq(opt, "align-functions")) {
684 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
686 int res = firm_option(orig_opt);
688 fprintf(stderr, "error: unknown Firm option '-f%s'\n",
690 argument_errors = true;
692 } else if (res == -1) {
693 help_displayed = true;
697 } else if (option[0] == 'b') {
699 GET_ARG_AFTER(opt, "-b");
700 int res = firm_be_option(opt);
702 fprintf(stderr, "error: unknown Firm backend option '-b %s'\n",
704 argument_errors = true;
705 } else if (res == -1) {
706 help_displayed = true;
707 } else if (strstart(opt, "isa=")) {
708 strncpy(cpu_arch, opt, sizeof(cpu_arch));
710 } else if (option[0] == 'W') {
711 if (strstart(option + 1, "l,")) // a gcc-style linker option
714 GET_ARG_AFTER(opt, "-Wl,");
715 add_flag(&ldflags_obst, "-Wl,%s", opt);
717 else set_warning_opt(&option[1]);
718 } else if(option[0] == 'm') {
723 GET_ARG_AFTER(opt, "-m");
724 if (strstart(opt, "arch=")) {
725 GET_ARG_AFTER(opt, "-march=");
726 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
727 int res = firm_be_option(arch_opt);
729 argument_errors = true;
731 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
732 int res = firm_be_option(arch_opt);
734 argument_errors = true;
736 } else if (strstart(opt, "tune=")) {
737 GET_ARG_AFTER(opt, "-mtune=");
738 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
739 int res = firm_be_option(arch_opt);
741 argument_errors = true;
742 } else if (strstart(opt, "cpu=")) {
743 GET_ARG_AFTER(opt, "-mcpu=");
744 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
745 int res = firm_be_option(arch_opt);
747 argument_errors = true;
748 } else if (strstart(opt, "fpmath=")) {
749 GET_ARG_AFTER(opt, "-mfpmath=");
750 if (streq(opt, "387"))
752 else if (streq(opt, "sse"))
755 fprintf(stderr, "error: option -mfpumath supports only 387 or sse\n");
756 argument_errors = true;
758 if(!argument_errors) {
759 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
760 int res = firm_be_option(arch_opt);
762 argument_errors = true;
764 } else if (strstart(opt, "preferred-stack-boundary=")) {
765 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
766 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
767 int res = firm_be_option(arch_opt);
769 argument_errors = true;
770 } else if (streq(opt, "omit-leaf-frame-pointer")) {
771 set_be_option("omitleaffp=1");
772 } else if (streq(opt, "no-omit-leaf-frame-pointer")) {
773 set_be_option("omitleaffp=0");
776 long int value = strtol(opt, &endptr, 10);
777 if (*endptr != '\0') {
778 fprintf(stderr, "error: wrong option '-m %s'\n", opt);
779 argument_errors = true;
781 if (value != 16 && value != 32 && value != 64) {
782 fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
783 argument_errors = true;
785 machine_size = (unsigned int)value;
788 } else if (streq(option, "pg")) {
789 set_be_option("gprof");
790 add_flag(&ldflags_obst, "-pg");
791 } else if (streq(option, "pedantic") ||
792 streq(option, "ansi")) {
793 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
794 } else if (streq(option, "shared")) {
795 add_flag(&ldflags_obst, "-shared");
796 } else if (strstart(option, "std=")) {
797 if (streq(&option[4], "c99")) {
799 } else if (streq(&option[4], "c89")) {
801 } else if (streq(&option[4], "gnu99")) {
802 c_mode = _C89|_C99|_GNUC;
803 } else if (streq(&option[4], "microsoft")) {
804 c_mode = _C89|_C99|_MS;
806 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
807 } else if (streq(option, "version")) {
808 print_cparser_version();
809 } else if (option[0] == '-') {
810 /* double dash option */
812 if (streq(option, "gcc")) {
814 } else if (streq(option, "no-gcc")) {
816 } else if (streq(option, "ms")) {
818 } else if (streq(option, "no-ms")) {
820 } else if (streq(option, "signed-chars")) {
821 char_is_signed = true;
822 } else if (streq(option, "unsigned-chars")) {
823 char_is_signed = false;
824 } else if (streq(option, "strict")) {
826 } else if (streq(option, "lextest")) {
828 } else if (streq(option, "benchmark")) {
829 mode = BenchmarkParser;
830 } else if (streq(option, "print-ast")) {
832 } else if (streq(option, "print-implicit-cast")) {
833 print_implicit_casts = true;
834 } else if (streq(option, "print-parenthesis")) {
835 print_parenthesis = true;
836 } else if (streq(option, "print-fluffy")) {
838 } else if (streq(option, "print-caml")) {
840 } else if (streq(option, "version")) {
841 print_cparser_version();
843 } else if (streq(option, "dump-function")) {
846 fprintf(stderr, "error: "
847 "expected argument after '--dump-function'\n");
848 argument_errors = true;
851 dumpfunction = argv[i];
854 fprintf(stderr, "error: unknown argument '%s'\n", arg);
855 argument_errors = true;
858 fprintf(stderr, "error: unknown argument '%s'\n", arg);
859 argument_errors = true;
862 filetype_t type = forced_filetype;
863 const char *filename = arg;
864 if (type == FILETYPE_AUTODETECT) {
865 size_t const len = strlen(arg);
866 if (len < 2 && arg[0] == '-') {
867 /* - implicitly means C source file */
870 } else if (len > 2 && arg[len - 2] == '.') {
871 switch (arg[len - 1]) {
872 case 'c': type = FILETYPE_C; break;
873 case 'h': type = FILETYPE_C; break;
874 case 's': type = FILETYPE_PREPROCESSED_ASSEMBLER; break;
875 case 'S': type = FILETYPE_ASSEMBLER; break;
878 case 'o': type = FILETYPE_OBJECT; break;
880 } else if (len > 3 && arg[len - 3] == '.') {
881 if (streq(arg + len - 2, "so")) {
882 type = FILETYPE_OBJECT;
886 if (type == FILETYPE_AUTODETECT) {
887 fprintf(stderr, "'%s': file format not recognized\n", arg);
892 file_list_entry_t *entry
893 = obstack_alloc(&file_obst, sizeof(entry[0]));
894 memset(entry, 0, sizeof(entry[0]));
898 if (last_file != NULL) {
899 last_file->next = entry;
908 fprintf(stderr, "error: no input files specified\n");
909 argument_errors = true;
912 if (help_displayed) {
913 return !argument_errors;
915 if (argument_errors) {
920 /* we do the lowering in ast2firm */
921 firm_opt.lower_bitfields = FALSE;
934 if (construct_dep_target) {
935 if (outname != 0 && strlen(outname) >= 2) {
936 get_output_name(dep_target, sizeof(dep_target), outname, ".d");
938 get_output_name(dep_target, sizeof(dep_target), files->name, ".d");
941 dep_target[0] = '\0';
944 char outnamebuf[4096];
945 if (outname == NULL) {
946 const char *filename = files->name;
949 case BenchmarkParser:
960 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
961 outname = outnamebuf;
963 case CompileAssemble:
964 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
965 outname = outnamebuf;
968 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
970 outname = outnamebuf;
972 case CompileAssembleLink:
982 assert(outname != NULL);
985 if (streq(outname, "-")) {
988 out = fopen(outname, "w");
990 fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname,
996 file_list_entry_t *file;
997 for (file = files; file != NULL; file = file->next) {
998 char asm_tempfile[1024];
999 const char *filename = file->name;
1000 filetype_t filetype = file->type;
1002 if (file->type == FILETYPE_OBJECT)
1006 if (mode == LexTest) {
1008 in = open_file(filename);
1009 lextest(in, filename);
1014 FILE *preprocessed_in = NULL;
1015 if (filetype == FILETYPE_C || filetype == FILETYPE_ASSEMBLER) {
1016 /* no support for input on FILE* yet */
1018 panic("internal compiler error: in for preprocessor != NULL");
1020 preprocessed_in = preprocess(filename);
1021 if (mode == PreprocessOnly) {
1022 copy_file(out, preprocessed_in);
1023 int result = pclose(preprocessed_in);
1028 if (filetype == FILETYPE_C) {
1029 filetype = FILETYPE_PREPROCESSED_C;
1030 } else if (filetype == FILETYPE_ASSEMBLER) {
1031 filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1033 panic("internal compiler error: unknown filetype at preproc");
1036 in = preprocessed_in;
1040 if(mode == Compile) {
1043 asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile),
1048 in = open_file(filename);
1050 /* preprocess and compile */
1051 if (filetype == FILETYPE_PREPROCESSED_C) {
1052 translation_unit_t *const unit = do_parsing(in, filename);
1053 if (in == preprocessed_in) {
1054 int pp_result = pclose(preprocessed_in);
1055 if (pp_result != EXIT_SUCCESS) {
1060 /* prints the AST even if errors occurred */
1061 if (mode == PrintAst) {
1062 type_set_output(out);
1063 ast_set_output(out);
1067 if(error_count > 0) {
1068 /* parsing failed because of errors */
1069 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
1071 result = EXIT_FAILURE;
1073 } else if(warning_count > 0) {
1074 fprintf(stderr, "%u warning(s)\n", warning_count);
1077 if(mode == BenchmarkParser) {
1079 } else if(mode == PrintFluffy) {
1080 write_fluffy_decls(out, unit);
1082 } else if (mode == PrintCaml) {
1083 write_caml_decls(out, unit);
1087 translation_unit_to_firm(unit);
1089 if (mode == ParseOnly) {
1093 if (mode == CompileDump) {
1095 ident *id = new_id_from_str(dumpfunction);
1096 ir_graph *irg = NULL;
1097 int n_irgs = get_irp_n_irgs();
1098 for(int i = 0; i < n_irgs; ++i) {
1099 ir_graph *tirg = get_irp_irg(i);
1100 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1108 fprintf(stderr, "No graph for function '%s' found\n",
1113 dump_ir_block_graph_file(irg, out);
1118 gen_firm_finish(asm_out, filename, /*c_mode=*/1,
1119 /*firm_const_exists=*/0);
1120 if (asm_out != out) {
1124 } else if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1125 copy_file(asm_out, in);
1126 if (in == preprocessed_in) {
1127 int pp_result = pclose(preprocessed_in);
1128 if (pp_result != EXIT_SUCCESS) {
1132 if(asm_out != out) {
1137 if (mode == Compile)
1140 /* if we're here then we have preprocessed assembly */
1141 filename = asm_tempfile;
1142 filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1145 if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1147 const char *filename_o;
1148 if(mode == CompileAssemble) {
1150 filename_o = outname;
1152 FILE *tempf = make_temp_file(temp, sizeof(temp), "cco");
1157 assemble(filename_o, filename);
1159 size_t len = strlen(filename_o) + 1;
1160 filename = obstack_copy(&file_obst, filename_o, len);
1161 filetype = FILETYPE_OBJECT;
1164 /* ok we're done here, process next file */
1165 file->name = filename;
1166 file->type = filetype;
1169 if (result != EXIT_SUCCESS)
1172 /* link program file */
1173 if(mode == CompileAssembleLink) {
1174 obstack_1grow(&ldflags_obst, '\0');
1175 const char *flags = obstack_finish(&ldflags_obst);
1177 /* construct commandline */
1178 obstack_printf(&file_obst, "%s", LINKER);
1179 for (file_list_entry_t *entry = files; entry != NULL;
1180 entry = entry->next) {
1181 if (entry->type != FILETYPE_OBJECT)
1184 add_flag(&file_obst, "%s", entry->name);
1187 add_flag(&file_obst, "-o");
1188 add_flag(&file_obst, outname);
1189 obstack_printf(&file_obst, "%s", flags);
1190 obstack_1grow(&file_obst, '\0');
1192 char *commandline = obstack_finish(&file_obst);
1197 int err = system(commandline);
1198 if(err != EXIT_SUCCESS) {
1199 fprintf(stderr, "linker reported an error\n");
1204 obstack_free(&cppflags_obst, NULL);
1205 obstack_free(&ldflags_obst, NULL);
1206 obstack_free(&file_obst, NULL);
1215 exit_symbol_table();