2 * This file is part of cparser.
3 * Copyright (C) 2007-2009 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)
53 #define unlink(filename) _unlink(filename)
60 #include <libfirm/firm.h>
61 #include <libfirm/be.h>
66 #include "type_hash.h"
70 #include "diagnostic.h"
71 #include "lang_features.h"
72 #include "driver/firm_opt.h"
73 #include "driver/firm_timing.h"
74 #include "driver/firm_machine.h"
75 #include "adt/error.h"
76 #include "adt/strutil.h"
77 #include "wrappergen/write_fluffy.h"
78 #include "wrappergen/write_jna.h"
87 #define PREPROCESSOR "gcc -E -U__STRICT_ANSI__"
89 #define PREPROCESSOR "cpp -U__STRICT_ANSI__"
98 #define ASSEMBLER "gcc -c -xassembler"
101 unsigned int c_mode = _C89 | _ANSI | _C99 | _GNUC;
102 unsigned int machine_size = 32;
103 bool byte_order_big_endian = false;
104 bool char_is_signed = true;
105 bool strict_mode = false;
106 bool use_builtins = false;
107 atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
108 unsigned force_long_double_size = 0;
109 bool enable_main_collect2_hack = false;
110 bool freestanding = false;
112 static machine_triple_t *target_machine;
113 static const char *target_triple;
115 static struct obstack cppflags_obst;
116 static struct obstack ldflags_obst;
117 static struct obstack asflags_obst;
118 static char dep_target[1024];
119 static const char *outname;
120 static bool define_intmax_types;
122 typedef enum lang_standard_t {
123 STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
124 STANDARD_ANSI, /* c89 (for C) or c++98 (for C++) */
125 STANDARD_C89, /* ISO C90 (sic) */
126 STANDARD_C90, /* ISO C90 as modified in amendment 1 */
127 STANDARD_C99, /* ISO C99 */
128 STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */
129 STANDARD_GNU99, /* ISO C99 plus GNU extensions */
130 STANDARD_CXX98, /* ISO C++ 1998 plus amendments */
131 STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */
134 static lang_standard_t standard;
136 typedef struct file_list_entry_t file_list_entry_t;
138 typedef enum filetype_t {
141 FILETYPE_PREPROCESSED_C,
143 FILETYPE_PREPROCESSED_CXX,
145 FILETYPE_PREPROCESSED_ASSEMBLER,
151 struct file_list_entry_t {
152 const char *name; /**< filename or NULL for stdin */
154 file_list_entry_t *next;
157 static file_list_entry_t *temp_files;
159 static void get_output_name(char *buf, size_t buflen, const char *inputname,
162 if (inputname == NULL)
165 char const *const last_slash = strrchr(inputname, '/');
166 char const *const filename =
167 last_slash != NULL ? last_slash + 1 : inputname;
168 char const *const last_dot = strrchr(filename, '.');
169 char const *const name_end =
170 last_dot != NULL ? last_dot : strchr(filename, '\0');
172 int const len = snprintf(buf, buflen, "%.*s%s",
173 (int)(name_end - filename), filename, newext);
175 if (len < 0 || buflen <= (size_t)len)
177 if (buflen <= (size_t)len)
179 panic("filename too long");
182 #include "gen_builtins.h"
184 static translation_unit_t *do_parsing(FILE *const in, const char *const input_name)
189 lexer_open_buffer(builtins, sizeof(builtins)-1, "<builtin>");
193 lexer_open_stream(in, input_name);
196 translation_unit_t *unit = finish_parsing();
200 static void lextest(FILE *in, const char *fname)
202 lexer_open_stream(in, fname);
205 lexer_next_preprocessing_token();
206 print_token(stdout, &lexer_token);
208 } while (lexer_token.type != T_EOF);
211 static void add_flag(struct obstack *obst, const char *format, ...)
216 va_start(ap, format);
220 vsnprintf(buf, sizeof(buf), format, ap);
223 obstack_1grow(obst, ' ');
225 obstack_1grow(obst, '"');
226 obstack_grow(obst, buf, len);
227 obstack_1grow(obst, '"');
229 /* escape stuff... */
230 for (char *c = buf; *c != '\0'; ++c) {
248 obstack_1grow(obst, '\\');
251 obstack_1grow(obst, *c);
258 static const char *type_to_string(type_t *type)
260 assert(type->kind == TYPE_ATOMIC);
261 return get_atomic_kind_name(type->atomic.akind);
264 static FILE *preprocess(const char *fname, filetype_t filetype)
266 static const char *common_flags = NULL;
268 if (common_flags == NULL) {
269 obstack_1grow(&cppflags_obst, '\0');
270 const char *flags = obstack_finish(&cppflags_obst);
272 /* setup default defines */
273 add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
274 add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
275 add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
276 add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
278 add_flag(&cppflags_obst, "-U__VERSION__");
279 add_flag(&cppflags_obst, "-D__VERSION__=\"%s\"", cparser_REVISION);
281 if (define_intmax_types) {
282 add_flag(&cppflags_obst, "-U__INTMAX_TYPE__");
283 add_flag(&cppflags_obst, "-D__INTMAX_TYPE__=%s", type_to_string(type_intmax_t));
284 add_flag(&cppflags_obst, "-U__UINTMAX_TYPE__");
285 add_flag(&cppflags_obst, "-D__UINTMAX_TYPE__=%s", type_to_string(type_uintmax_t));
288 if (flags[0] != '\0') {
289 size_t len = strlen(flags);
290 obstack_1grow(&cppflags_obst, ' ');
291 obstack_grow(&cppflags_obst, flags, len);
293 obstack_1grow(&cppflags_obst, '\0');
294 common_flags = obstack_finish(&cppflags_obst);
297 assert(obstack_object_size(&cppflags_obst) == 0);
299 const char *preprocessor = getenv("CPARSER_PP");
300 if (preprocessor != NULL) {
301 obstack_printf(&cppflags_obst, "%s ", preprocessor);
303 if (target_triple != NULL)
304 obstack_printf(&cppflags_obst, "%s-", target_triple);
305 obstack_printf(&cppflags_obst, PREPROCESSOR);
310 add_flag(&cppflags_obst, "-std=c99");
313 add_flag(&cppflags_obst, "-std=c++98");
315 case FILETYPE_ASSEMBLER:
316 add_flag(&cppflags_obst, "-x");
317 add_flag(&cppflags_obst, "assembler-with-cpp");
322 obstack_printf(&cppflags_obst, "%s", common_flags);
324 /* handle dependency generation */
325 if (dep_target[0] != '\0') {
326 add_flag(&cppflags_obst, "-MF");
327 add_flag(&cppflags_obst, dep_target);
328 if (outname != NULL) {
329 add_flag(&cppflags_obst, "-MQ");
330 add_flag(&cppflags_obst, outname);
333 add_flag(&cppflags_obst, fname);
334 obstack_1grow(&cppflags_obst, '\0');
336 char *commandline = obstack_finish(&cppflags_obst);
340 FILE *f = popen(commandline, "r");
342 fprintf(stderr, "invoking preprocessor failed\n");
345 /* we don't really need that anymore */
346 obstack_free(&cppflags_obst, commandline);
351 static void assemble(const char *out, const char *in)
353 obstack_1grow(&asflags_obst, '\0');
354 const char *flags = obstack_finish(&asflags_obst);
356 const char *assembler = getenv("CPARSER_AS");
357 if (assembler != NULL) {
358 obstack_printf(&asflags_obst, "%s", assembler);
360 if (target_triple != NULL)
361 obstack_printf(&asflags_obst, "%s-", target_triple);
362 obstack_printf(&asflags_obst, "%s", ASSEMBLER);
364 if (flags[0] != '\0')
365 obstack_printf(&asflags_obst, " %s", flags);
367 obstack_printf(&asflags_obst, " %s -o %s", in, out);
368 obstack_1grow(&asflags_obst, '\0');
370 char *commandline = obstack_finish(&asflags_obst);
374 int err = system(commandline);
375 if (err != EXIT_SUCCESS) {
376 fprintf(stderr, "assembler reported an error\n");
379 obstack_free(&asflags_obst, commandline);
382 static void print_file_name(const char *file)
384 add_flag(&ldflags_obst, "-print-file-name=%s", file);
386 obstack_1grow(&ldflags_obst, '\0');
387 const char *flags = obstack_finish(&ldflags_obst);
389 /* construct commandline */
390 const char *linker = getenv("CPARSER_LINK");
391 if (linker != NULL) {
392 obstack_printf(&ldflags_obst, "%s ", linker);
394 if (target_triple != NULL)
395 obstack_printf(&ldflags_obst, "%s-", target_triple);
396 obstack_printf(&ldflags_obst, "%s ", LINKER);
398 obstack_printf(&ldflags_obst, "%s ", linker);
399 obstack_printf(&ldflags_obst, "%s", flags);
400 obstack_1grow(&ldflags_obst, '\0');
402 char *commandline = obstack_finish(&ldflags_obst);
406 int err = system(commandline);
407 if (err != EXIT_SUCCESS) {
408 fprintf(stderr, "linker reported an error\n");
411 obstack_free(&ldflags_obst, commandline);
414 static const char *try_dir(const char *dir)
418 if (access(dir, R_OK | W_OK | X_OK) == 0)
423 static const char *get_tempdir(void)
425 static const char *tmpdir = NULL;
431 tmpdir = try_dir(getenv("TMPDIR"));
433 tmpdir = try_dir(getenv("TMP"));
435 tmpdir = try_dir(getenv("TEMP"));
439 tmpdir = try_dir(P_tmpdir);
443 tmpdir = try_dir("/var/tmp");
445 tmpdir = try_dir("/usr/tmp");
447 tmpdir = try_dir("/tmp");
456 /* cheap and nasty mkstemp replacement */
457 static int mkstemp(char *templ)
460 return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
465 * an own version of tmpnam, which: writes in a buffer, emits no warnings
466 * during linking (like glibc/gnu ld do for tmpnam)...
468 static FILE *make_temp_file(char *buffer, size_t buflen, const char *prefix)
470 const char *tempdir = get_tempdir();
472 snprintf(buffer, buflen, "%s/%sXXXXXX", tempdir, prefix);
474 int fd = mkstemp(buffer);
476 fprintf(stderr, "couldn't create temporary file: %s\n",
480 FILE *out = fdopen(fd, "w");
482 fprintf(stderr, "couldn't create temporary file FILE*\n");
486 file_list_entry_t *entry = xmalloc(sizeof(*entry));
487 memset(entry, 0, sizeof(*entry));
489 size_t name_len = strlen(buffer) + 1;
490 char *name = malloc(name_len);
491 memcpy(name, buffer, name_len);
494 entry->next = temp_files;
500 static void free_temp_files(void)
502 file_list_entry_t *entry = temp_files;
503 file_list_entry_t *next;
504 for ( ; entry != NULL; entry = next) {
508 free((char*) entry->name);
514 typedef enum compile_mode_t {
529 static void usage(const char *argv0)
531 fprintf(stderr, "Usage %s [options] input [-o output]\n", argv0);
534 static void print_cparser_version(void)
536 printf("cparser (%s) using libFirm (%u.%u",
537 cparser_REVISION, ir_get_version_major(),
538 ir_get_version_minor());
540 const char *revision = ir_get_version_revision();
541 if (revision[0] != 0) {
543 fputs(revision, stdout);
546 const char *build = ir_get_version_build();
549 fputs(build, stdout);
552 puts("This is free software; see the source for copying conditions. There is NO\n"
553 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
556 static void print_help_basic(const char *argv0)
560 put_help("--help", "Display this information");
561 put_help("--version", "Display compiler version");
562 put_help("--help-parser", "Display information about parser options");
563 put_help("--help-warnings", "Display information about warning options");
564 put_help("--help-codegen", "Display information about code-generation options");
565 put_help("--help-optimization", "Display information about optimization options");
566 put_help("--help-linker", "Display information about linker options");
567 put_help("--help-language-tools", "Display information about language tools options");
568 put_help("--help-debug", "Display information about compiler debugging options");
569 put_help("--help-firm", "Display information about direct firm options");
570 put_help("--help-all", "Display information about all options");
571 put_help("-c", "Compile and assemble but do not link");
572 put_help("-E", "Preprocess only");
573 put_help("-S", "Compile but do not assembler or link");
574 put_help("-o", "Specify output file");
575 put_help("-v", "Verbose output (show invocation of sub-processes)");
576 put_help("-x", "Force input language:");
577 put_choice("c", "C");
578 put_choice("c++", "C++");
579 put_choice("assembler", "Assembler (no preprocessing)");
580 put_choice("assembler-with-cpp", "Assembler with preprocessing");
581 put_choice("none", "Autodetection");
582 put_help("-pipe", "ignored (gcc compatibility)");
585 static void print_help_preprocessor(void)
587 put_help("-nostdinc", "Do not search standard system include directories");
588 put_help("-trigraphs", "Support ISO C trigraphs");
589 put_help("-isystem", "");
590 put_help("-include", "");
591 put_help("-I PATH", "");
592 put_help("-D SYMBOL[=value]", "");
593 put_help("-U SYMBOL", "");
594 put_help("-Wp,OPTION", "pass option directly to preprocessor");
597 put_help("-MMD", "");
605 static void print_help_parser(void)
607 put_help("-finput-charset=CHARSET", "Select encoding of input files");
608 put_help("-fmessage-length=LEN", "ignored (gcc compatibility)");
609 put_help("-fshort-wchar", "wchar_t is unsigned short instead of int");
610 put_help("-fshow-column", "show the column number in diagnostic messages");
611 put_help("-funsigned-char", "char is an unsigned type");
612 put_help("--ms", "Enable msvc extensions");
613 put_help("--no-ms", "Disable msvc extensions");
614 put_help("--gcc", "Enable gcc extensions");
615 put_help("--no-gcc", "Disable gcc extensions");
616 put_help("-std=STANDARD", "Specify language standard:");
617 put_choice("c99", "ISO C99 standard");
618 put_choice("c89", "ISO C89 standard");
619 put_choice("c9x", "deprecated");
620 put_choice("c++", "ISO C++ 98");
621 put_choice("c++98", "ISO C++ 98");
622 put_choice("gnu99", "ISO C99 + GNU extensions (default)");
623 put_choice("gnu89", "ISO C89 + GNU extensions");
624 put_choice("gnu9x", "deprecated");
625 put_choice("iso9899:1990", "ISO C89");
626 put_choice("iso9899:199409", "ISO C90");
627 put_choice("iso9899:1999", "ISO C99");
628 put_choice("iso9899:199x", "deprecated");
629 put_help("-pedantic", "ignored (gcc compatibility)");
630 put_help("-ansi", "ignored (gcc compatibility)");
631 put_help("--strict", "Enable strict conformance checking");
634 static void print_help_warnings(void)
636 put_help("-w", "disable all warnings");
637 put_help("-W", "ignored (gcc compatibility)");
638 put_help("-Wno-trigraphs", "warn if input contains trigraphs");
639 put_help("-Wundef", "Warn if an undefined macro is used in an #if");
640 print_warning_opt_help();
643 static void print_help_optimization(void)
645 put_help("-O LEVEL", "select optimization level (0-4)");
646 firm_option_help(put_help);
647 put_help("-fexpensive-optimizations","ignored (gcc compatibility)");
650 static void print_help_codegeneration(void)
652 put_help("-g", "Generate debug information");
653 put_help("-pg", "Instrument code for gnu gprof");
654 put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
655 put_help("-ffreestanding", "compile in freestanding mode (see ISO C standard)");
656 put_help("-fhosted", "compile in hosted (not freestanding) mode");
657 put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
658 put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
659 put_help("-ffp-precise", "precise floating point model");
660 put_help("-ffp-fast", "imprecise floating point model");
661 put_help("-ffp-strict", "strict floating point model");
662 put_help("-ffp-precise", "precise floating point model");
663 put_help("-pthread", "Use pthread threading library");
664 put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
665 put_help("-mtriple=TARGET", "alias for -mtarget (clang compatibility)");
666 put_help("-march=ARCH", "");
667 put_help("-mtune=ARCH", "");
668 put_help("-mcpu=CPU", "");
669 put_help("-mfpmath=", "");
670 put_help("-mpreferred-stack-boundary=", "");
671 put_help("-mrtd", "");
672 put_help("-mregparm=", "not supported yet");
673 put_help("-msoft-float", "not supported yet");
674 put_help("-m32", "generate 32bit code");
675 put_help("-m64", "generate 64bit code");
676 put_help("-fverbose-asm", "ignored (gcc compatibility)");
677 put_help("-fjump-tables", "ignored (gcc compatibility)");
678 put_help("-fcommon", "ignored (gcc compatibility)");
679 put_help("-foptimize-sibling-calls", "ignored (gcc compatibility)");
680 put_help("-falign-loops", "ignored (gcc compatibility)");
681 put_help("-falign-jumps", "ignored (gcc compatibility)");
682 put_help("-falign-functions", "ignored (gcc compatibility)");
683 put_help("-fPIC", "ignored (gcc compatibility)");
684 put_help("-ffast-math", "same as fp-fast (gcc compatibility)");
686 puts("\tMost of these options can be used with a no- prefix to disable them");
687 puts("\ti.e. -fno-signed-char");
690 static void print_help_linker(void)
692 put_help("-l LIBRARY", "");
693 put_help("-L PATH", "");
694 put_help("-shared", "Produce a shared library");
695 put_help("-static", "Produce statically linked binary");
696 put_help("-Wl,OPTION", "pass option directly to linker");
699 static void print_help_debug(void)
701 put_help("--lextest", "Preprocess and tokenize only");
702 put_help("--print-ast", "Preprocess, parse and print AST");
703 put_help("--print-implicit-cast", "");
704 put_help("--print-parenthesis", "");
705 put_help("--benchmark", "Preprocess and parse, produces no output");
706 put_help("--time", "Measure time of compiler passes");
707 put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
708 put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
711 static void print_help_language_tools(void)
713 put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
714 put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
715 put_help("--jna-limit filename", "");
716 put_help("--jna-libname name", "");
719 static void print_help_firm(void)
721 put_help("-bOPTION", "directly pass option to libFirm backend");
722 int res = be_parse_arg("help");
729 HELP_BASIC = 1u << 0,
730 HELP_PREPROCESSOR = 1u << 1,
731 HELP_PARSER = 1u << 2,
732 HELP_WARNINGS = 1u << 3,
733 HELP_OPTIMIZATION = 1u << 4,
734 HELP_CODEGEN = 1u << 5,
735 HELP_LINKER = 1u << 6,
736 HELP_LANGUAGETOOLS = 1u << 7,
737 HELP_DEBUG = 1u << 8,
740 HELP_ALL = (unsigned)-1
743 static void print_help(const char *argv0, help_sections_t sections)
745 if (sections & HELP_BASIC) print_help_basic(argv0);
746 if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
747 if (sections & HELP_PARSER) print_help_parser();
748 if (sections & HELP_WARNINGS) print_help_warnings();
749 if (sections & HELP_OPTIMIZATION) print_help_optimization();
750 if (sections & HELP_CODEGEN) print_help_codegeneration();
751 if (sections & HELP_LINKER) print_help_linker();
752 if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
753 if (sections & HELP_DEBUG) print_help_debug();
754 if (sections & HELP_FIRM) print_help_firm();
757 static void set_be_option(const char *arg)
759 int res = be_parse_arg(arg);
764 static void copy_file(FILE *dest, FILE *input)
768 while (!feof(input) && !ferror(dest)) {
769 size_t read = fread(buf, 1, sizeof(buf), input);
770 if (fwrite(buf, 1, read, dest) != read) {
771 perror("couldn't write output");
776 static FILE *open_file(const char *filename)
778 if (streq(filename, "-")) {
782 FILE *in = fopen(filename, "r");
784 fprintf(stderr, "Couldn't open '%s': %s\n", filename,
792 static filetype_t get_filetype_from_string(const char *string)
794 if (streq(string, "c") || streq(string, "c-header"))
796 if (streq(string, "c++") || streq(string, "c++-header"))
798 if (streq(string, "assembler"))
799 return FILETYPE_PREPROCESSED_ASSEMBLER;
800 if (streq(string, "assembler-with-cpp"))
801 return FILETYPE_ASSEMBLER;
802 if (streq(string, "none"))
803 return FILETYPE_AUTODETECT;
805 return FILETYPE_UNKNOWN;
808 static bool init_os_support(void)
810 const char *os = target_machine->operating_system;
811 wchar_atomic_kind = ATOMIC_TYPE_INT;
812 force_long_double_size = 0;
813 enable_main_collect2_hack = false;
814 define_intmax_types = false;
816 if (strstr(os, "linux") != NULL || strstr(os, "bsd") != NULL
817 || streq(os, "solaris")) {
818 set_create_ld_ident(create_name_linux_elf);
819 } else if (streq(os, "darwin")) {
820 force_long_double_size = 16;
821 set_create_ld_ident(create_name_macho);
822 define_intmax_types = true;
823 } else if (strstr(os, "mingw") != NULL || streq(os, "win32")) {
824 wchar_atomic_kind = ATOMIC_TYPE_USHORT;
825 enable_main_collect2_hack = true;
826 set_create_ld_ident(create_name_win32);
834 static bool parse_target_triple(const char *arg)
836 machine_triple_t *triple = firm_parse_machine_triple(arg);
837 if (triple == NULL) {
838 fprintf(stderr, "Target-triple is not in the form 'cpu_type-manufacturer-operating_system'\n");
841 target_machine = triple;
845 static void setup_target_machine(void)
847 if (!setup_firm_for_machine(target_machine))
852 int main(int argc, char **argv)
856 const char *dumpfunction = NULL;
857 const char *print_file_name_file = NULL;
858 compile_mode_t mode = CompileAssembleLink;
860 int result = EXIT_SUCCESS;
861 char cpu_arch[16] = "ia32";
862 file_list_entry_t *files = NULL;
863 file_list_entry_t *last_file = NULL;
864 bool construct_dep_target = false;
865 bool do_timing = false;
866 bool profile_generate = false;
867 bool profile_use = false;
868 struct obstack file_obst;
870 atexit(free_temp_files);
872 /* hack for now... */
873 if (strstr(argv[0], "pptest") != NULL) {
874 extern int pptest_main(int argc, char **argv);
875 return pptest_main(argc, argv);
878 obstack_init(&cppflags_obst);
879 obstack_init(&ldflags_obst);
880 obstack_init(&asflags_obst);
881 obstack_init(&file_obst);
883 #define GET_ARG_AFTER(def, args) \
884 def = &arg[sizeof(args)-1]; \
885 if (def[0] == '\0') { \
888 fprintf(stderr, "error: expected argument after '" args "'\n"); \
889 argument_errors = true; \
893 if (def[0] == '-' && def[1] != '\0') { \
894 fprintf(stderr, "error: expected argument after '" args "'\n"); \
895 argument_errors = true; \
900 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
902 /* early options parsing (find out optimization level and OS) */
903 for (int i = 1; i < argc; ++i) {
904 const char *arg = argv[i];
908 const char *option = &arg[1];
909 if (option[0] == 'O') {
910 sscanf(&option[1], "%d", &opt_level);
914 const char *target = getenv("TARGET");
916 parse_target_triple(target);
917 if (target_machine == NULL) {
918 target_machine = firm_get_host_machine();
920 choose_optimization_pack(opt_level);
921 setup_target_machine();
923 /* parse rest of options */
924 standard = STANDARD_DEFAULT;
925 unsigned features_on = 0;
926 unsigned features_off = 0;
927 filetype_t forced_filetype = FILETYPE_AUTODETECT;
928 help_sections_t help = HELP_NONE;
929 bool argument_errors = false;
930 for (int i = 1; i < argc; ++i) {
931 const char *arg = argv[i];
932 if (arg[0] == '-' && arg[1] != '\0') {
934 const char *option = &arg[1];
935 if (option[0] == 'o') {
936 GET_ARG_AFTER(outname, "-o");
937 } else if (option[0] == 'g') {
938 set_be_option("debuginfo=stabs");
939 set_be_option("omitfp=no");
940 set_be_option("ia32-nooptcc=yes");
941 } else if (SINGLE_OPTION('c')) {
942 mode = CompileAssemble;
943 } else if (SINGLE_OPTION('E')) {
944 mode = PreprocessOnly;
945 } else if (SINGLE_OPTION('S')) {
947 } else if (option[0] == 'O') {
949 } else if (option[0] == 'I') {
951 GET_ARG_AFTER(opt, "-I");
952 add_flag(&cppflags_obst, "-I%s", opt);
953 } else if (option[0] == 'D') {
955 GET_ARG_AFTER(opt, "-D");
956 add_flag(&cppflags_obst, "-D%s", opt);
957 } else if (option[0] == 'U') {
959 GET_ARG_AFTER(opt, "-U");
960 add_flag(&cppflags_obst, "-U%s", opt);
961 } else if (option[0] == 'l') {
963 GET_ARG_AFTER(opt, "-l");
964 add_flag(&ldflags_obst, "-l%s", opt);
965 } else if (option[0] == 'L') {
967 GET_ARG_AFTER(opt, "-L");
968 add_flag(&ldflags_obst, "-L%s", opt);
969 } else if (SINGLE_OPTION('v')) {
971 } else if (SINGLE_OPTION('w')) {
972 memset(&warning, 0, sizeof(warning));
973 } else if (option[0] == 'x') {
975 GET_ARG_AFTER(opt, "-x");
976 forced_filetype = get_filetype_from_string(opt);
977 if (forced_filetype == FILETYPE_UNKNOWN) {
978 fprintf(stderr, "Unknown language '%s'\n", opt);
979 argument_errors = true;
981 } else if (streq(option, "M")) {
982 mode = PreprocessOnly;
983 add_flag(&cppflags_obst, "-M");
984 } else if (streq(option, "MMD") ||
985 streq(option, "MD")) {
986 construct_dep_target = true;
987 add_flag(&cppflags_obst, "-%s", option);
988 } else if (streq(option, "MM") ||
989 streq(option, "MP")) {
990 add_flag(&cppflags_obst, "-%s", option);
991 } else if (streq(option, "MT") ||
992 streq(option, "MQ") ||
993 streq(option, "MF")) {
995 GET_ARG_AFTER(opt, "-MT");
996 add_flag(&cppflags_obst, "-%s", option);
997 add_flag(&cppflags_obst, "%s", opt);
998 } else if (streq(option, "include")) {
1000 GET_ARG_AFTER(opt, "-include");
1001 add_flag(&cppflags_obst, "-include");
1002 add_flag(&cppflags_obst, "%s", opt);
1003 } else if (streq(option, "isystem")) {
1005 GET_ARG_AFTER(opt, "-isystem");
1006 add_flag(&cppflags_obst, "-isystem");
1007 add_flag(&cppflags_obst, "%s", opt);
1008 #if defined(linux) || defined(__linux) || defined(__linux__) || defined(__CYGWIN__)
1009 } else if (streq(option, "pthread")) {
1010 /* set flags for the preprocessor */
1011 add_flag(&cppflags_obst, "-D_REENTRANT");
1012 /* set flags for the linker */
1013 add_flag(&ldflags_obst, "-lpthread");
1015 } else if (streq(option, "nostdinc")
1016 || streq(option, "trigraphs")) {
1017 /* pass these through to the preprocessor */
1018 add_flag(&cppflags_obst, "%s", arg);
1019 } else if (streq(option, "pipe")) {
1020 /* here for gcc compatibility */
1021 } else if (streq(option, "static")) {
1022 add_flag(&ldflags_obst, "-static");
1023 } else if (streq(option, "shared")) {
1024 add_flag(&ldflags_obst, "-shared");
1025 } else if (option[0] == 'f') {
1026 char const *orig_opt;
1027 GET_ARG_AFTER(orig_opt, "-f");
1029 if (strstart(orig_opt, "input-charset=")) {
1030 char const* const encoding = strchr(orig_opt, '=') + 1;
1031 select_input_encoding(encoding);
1032 } else if (strstart(orig_opt, "align-loops=") ||
1033 strstart(orig_opt, "align-jumps=") ||
1034 strstart(orig_opt, "align-functions=")) {
1035 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1036 } else if (strstart(orig_opt, "visibility=")) {
1037 const char *arg = strchr(orig_opt, '=')+1;
1038 elf_visibility_tag_t visibility
1039 = get_elf_visibility_from_string(arg);
1040 if (visibility == ELF_VISIBILITY_ERROR) {
1041 fprintf(stderr, "invalid visibility '%s' specified\n",
1043 argument_errors = true;
1045 set_default_visibility(visibility);
1047 } else if (strstart(orig_opt, "message-length=")) {
1048 /* ignore: would only affect error message format */
1050 /* -f options which have an -fno- variant */
1051 char const *opt = orig_opt;
1052 bool truth_value = true;
1053 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1054 truth_value = false;
1058 if (streq(opt, "builtins")) {
1059 use_builtins = truth_value;
1060 } else if (streq(opt, "dollars-in-identifiers")) {
1061 allow_dollar_in_symbol = truth_value;
1062 } else if (streq(opt, "omit-frame-pointer")) {
1063 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1064 } else if (streq(opt, "short-wchar")) {
1065 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1067 } else if (streq(opt, "show-column")) {
1068 show_column = truth_value;
1069 } else if (streq(opt, "signed-char")) {
1070 char_is_signed = truth_value;
1071 } else if (streq(opt, "strength-reduce")) {
1072 /* does nothing, for gcc compatibility (even gcc does
1073 * nothing for this switch anymore) */
1074 } else if (streq(opt, "syntax-only")) {
1075 mode = truth_value ? ParseOnly : CompileAssembleLink;
1076 } else if (streq(opt, "unsigned-char")) {
1077 char_is_signed = !truth_value;
1078 } else if (streq(opt, "freestanding")) {
1079 freestanding = truth_value;
1080 } else if (streq(opt, "hosted")) {
1081 freestanding = !truth_value;
1082 } else if (streq(opt, "profile-generate")) {
1083 profile_generate = truth_value;
1084 } else if (streq(opt, "profile-use")) {
1085 profile_use = truth_value;
1086 } else if (!truth_value &&
1087 streq(opt, "asynchronous-unwind-tables")) {
1088 /* nothing todo, a gcc feature which we don't support
1089 * anyway was deactivated */
1090 } else if (streq(opt, "verbose-asm")) {
1091 /* ignore: we always print verbose assembler */
1092 } else if (streq(opt, "fast-math") || streq(opt, "fp-fast")) {
1093 firm_fp_model = fp_model_fast;
1094 } else if (streq(opt, "fp-precise")) {
1095 firm_fp_model = fp_model_precise;
1096 } else if (streq(opt, "fp-strict")) {
1097 firm_fp_model = fp_model_strict;
1098 } else if (streq(opt, "jump-tables") ||
1099 streq(opt, "expensive-optimizations") ||
1100 streq(opt, "common") ||
1101 streq(opt, "optimize-sibling-calls") ||
1102 streq(opt, "align-loops") ||
1103 streq(opt, "align-jumps") ||
1104 streq(opt, "align-functions") ||
1105 streq(opt, "PIC")) {
1106 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1107 } else if (streq(opt, "help")) {
1108 fprintf(stderr, "warning: -fhelp is deprecated\n");
1109 help |= HELP_OPTIMIZATION;
1111 int res = firm_option(orig_opt);
1113 fprintf(stderr, "error: unknown Firm option '-f%s'\n",
1115 argument_errors = true;
1120 } else if (option[0] == 'b') {
1122 GET_ARG_AFTER(opt, "-b");
1124 if (streq(opt, "help")) {
1125 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1128 int res = be_parse_arg(opt);
1130 fprintf(stderr, "error: unknown Firm backend option '-b %s'\n",
1132 argument_errors = true;
1133 } else if (strstart(opt, "isa=")) {
1134 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1137 } else if (option[0] == 'W') {
1138 if (option[1] == '\0') {
1139 /* ignore -W, our defaults are already quite verbose */
1140 } else if (strstart(option + 1, "p,")) {
1141 // pass options directly to the preprocessor
1143 GET_ARG_AFTER(opt, "-Wp,");
1144 add_flag(&cppflags_obst, "-Wp,%s", opt);
1145 } else if (strstart(option + 1, "l,")) {
1146 // pass options directly to the linker
1148 GET_ARG_AFTER(opt, "-Wl,");
1149 add_flag(&ldflags_obst, "-Wl,%s", opt);
1150 } else if (streq(option + 1, "no-trigraphs")
1151 || streq(option + 1, "undef")) {
1152 add_flag(&cppflags_obst, "%s", arg);
1154 set_warning_opt(&option[1]);
1156 } else if (option[0] == 'm') {
1161 GET_ARG_AFTER(opt, "-m");
1162 if (strstart(opt, "target=")) {
1163 GET_ARG_AFTER(opt, "-mtarget=");
1164 if (!parse_target_triple(opt)) {
1165 argument_errors = true;
1167 setup_target_machine();
1168 target_triple = opt;
1170 } else if (strstart(opt, "triple=")) {
1171 GET_ARG_AFTER(opt, "-mtriple=");
1172 if (!parse_target_triple(opt)) {
1173 argument_errors = true;
1175 setup_target_machine();
1176 target_triple = opt;
1178 } else if (strstart(opt, "arch=")) {
1179 GET_ARG_AFTER(opt, "-march=");
1180 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1181 int res = be_parse_arg(arch_opt);
1183 fprintf(stderr, "Unknown architecture '%s'\n", arch_opt);
1184 argument_errors = true;
1186 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1187 int res = be_parse_arg(arch_opt);
1189 argument_errors = true;
1191 } else if (strstart(opt, "tune=")) {
1192 GET_ARG_AFTER(opt, "-mtune=");
1193 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1194 int res = be_parse_arg(arch_opt);
1196 argument_errors = true;
1197 } else if (strstart(opt, "cpu=")) {
1198 GET_ARG_AFTER(opt, "-mcpu=");
1199 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1200 int res = be_parse_arg(arch_opt);
1202 argument_errors = true;
1203 } else if (strstart(opt, "fpmath=")) {
1204 GET_ARG_AFTER(opt, "-mfpmath=");
1205 if (streq(opt, "387"))
1207 else if (streq(opt, "sse"))
1210 fprintf(stderr, "error: option -mfpumath supports only 387 or sse\n");
1211 argument_errors = true;
1213 if (!argument_errors) {
1214 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1215 int res = be_parse_arg(arch_opt);
1217 argument_errors = true;
1219 } else if (strstart(opt, "preferred-stack-boundary=")) {
1220 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1221 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1222 int res = be_parse_arg(arch_opt);
1224 argument_errors = true;
1225 } else if (streq(opt, "rtd")) {
1226 default_calling_convention = CC_STDCALL;
1227 } else if (strstart(opt, "regparm=")) {
1228 fprintf(stderr, "error: regparm convention not supported yet\n");
1229 argument_errors = true;
1230 } else if (streq(opt, "soft-float")) {
1231 fprintf(stderr, "error: software floatingpoint not supported yet\n");
1232 argument_errors = true;
1234 long int value = strtol(opt, NULL, 10);
1236 fprintf(stderr, "error: wrong option '-m %s'\n", opt);
1237 argument_errors = true;
1238 } else if (value != 16 && value != 32 && value != 64) {
1239 fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
1240 argument_errors = true;
1242 machine_size = (unsigned int)value;
1243 add_flag(&cppflags_obst, "-m%u", machine_size);
1244 add_flag(&asflags_obst, "-m%u", machine_size);
1245 add_flag(&ldflags_obst, "-m%u", machine_size);
1248 } else if (streq(option, "pg")) {
1249 set_be_option("gprof");
1250 add_flag(&ldflags_obst, "-pg");
1251 } else if (streq(option, "pedantic") ||
1252 streq(option, "ansi")) {
1253 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1254 } else if (strstart(option, "std=")) {
1255 const char *const o = &option[4];
1257 streq(o, "c++") ? STANDARD_CXX98 :
1258 streq(o, "c++98") ? STANDARD_CXX98 :
1259 streq(o, "c89") ? STANDARD_C89 :
1260 streq(o, "c99") ? STANDARD_C99 :
1261 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1262 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1263 streq(o, "gnu89") ? STANDARD_GNU89 :
1264 streq(o, "gnu99") ? STANDARD_GNU99 :
1265 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1266 streq(o, "iso9899:1990") ? STANDARD_C89 :
1267 streq(o, "iso9899:199409") ? STANDARD_C90 :
1268 streq(o, "iso9899:1999") ? STANDARD_C99 :
1269 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1270 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1271 } else if (streq(option, "version")) {
1272 print_cparser_version();
1273 } else if (strstart(option, "print-file-name=")) {
1274 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
1275 } else if (option[0] == '-') {
1276 /* double dash option */
1278 if (streq(option, "gcc")) {
1279 features_on |= _GNUC;
1280 features_off &= ~_GNUC;
1281 } else if (streq(option, "no-gcc")) {
1282 features_on &= ~_GNUC;
1283 features_off |= _GNUC;
1284 } else if (streq(option, "ms")) {
1286 features_off &= ~_MS;
1287 } else if (streq(option, "no-ms")) {
1288 features_on &= ~_MS;
1289 features_off |= _MS;
1290 } else if (streq(option, "strict")) {
1292 } else if (streq(option, "lextest")) {
1294 } else if (streq(option, "benchmark")) {
1295 mode = BenchmarkParser;
1296 } else if (streq(option, "print-ast")) {
1298 } else if (streq(option, "print-implicit-cast")) {
1299 print_implicit_casts = true;
1300 } else if (streq(option, "print-parenthesis")) {
1301 print_parenthesis = true;
1302 } else if (streq(option, "print-fluffy")) {
1304 } else if (streq(option, "print-jna")) {
1306 } else if (streq(option, "jna-limit")) {
1309 fprintf(stderr, "error: "
1310 "expected argument after '--jna-limit'\n");
1311 argument_errors = true;
1314 jna_limit_output(argv[i]);
1315 } else if (streq(option, "jna-libname")) {
1318 fprintf(stderr, "error: "
1319 "expected argument after '--jna-libname'\n");
1320 argument_errors = true;
1323 jna_set_libname(argv[i]);
1324 } else if (streq(option, "time")) {
1326 } else if (streq(option, "version")) {
1327 print_cparser_version();
1328 return EXIT_SUCCESS;
1329 } else if (streq(option, "help")) {
1331 } else if (streq(option, "help-parser")) {
1332 help |= HELP_PARSER;
1333 } else if (streq(option, "help-warnings")) {
1334 help |= HELP_WARNINGS;
1335 } else if (streq(option, "help-codegen")) {
1336 help |= HELP_CODEGEN;
1337 } else if (streq(option, "help-linker")) {
1338 help |= HELP_LINKER;
1339 } else if (streq(option, "help-optimization")) {
1340 help |= HELP_OPTIMIZATION;
1341 } else if (streq(option, "help-language-tools")) {
1342 help |= HELP_LANGUAGETOOLS;
1343 } else if (streq(option, "help-debug")) {
1345 } else if (streq(option, "help-firm")) {
1347 } else if (streq(option, "help-all")) {
1349 } else if (streq(option, "dump-function")) {
1352 fprintf(stderr, "error: "
1353 "expected argument after '--dump-function'\n");
1354 argument_errors = true;
1357 dumpfunction = argv[i];
1359 } else if (streq(option, "export-ir")) {
1360 mode = CompileExportIR;
1362 fprintf(stderr, "error: unknown argument '%s'\n", arg);
1363 argument_errors = true;
1366 fprintf(stderr, "error: unknown argument '%s'\n", arg);
1367 argument_errors = true;
1370 filetype_t type = forced_filetype;
1371 if (type == FILETYPE_AUTODETECT) {
1372 if (streq(arg, "-")) {
1373 /* - implicitly means C source file */
1376 const char *suffix = strrchr(arg, '.');
1377 /* Ensure there is at least one char before the suffix */
1378 if (suffix != NULL && suffix != arg) {
1381 streq(suffix, "S") ? FILETYPE_ASSEMBLER :
1382 streq(suffix, "a") ? FILETYPE_OBJECT :
1383 streq(suffix, "c") ? FILETYPE_C :
1384 streq(suffix, "i") ? FILETYPE_PREPROCESSED_C :
1385 streq(suffix, "C") ? FILETYPE_CXX :
1386 streq(suffix, "cc") ? FILETYPE_CXX :
1387 streq(suffix, "cp") ? FILETYPE_CXX :
1388 streq(suffix, "cpp") ? FILETYPE_CXX :
1389 streq(suffix, "CPP") ? FILETYPE_CXX :
1390 streq(suffix, "cxx") ? FILETYPE_CXX :
1391 streq(suffix, "c++") ? FILETYPE_CXX :
1392 streq(suffix, "ii") ? FILETYPE_PREPROCESSED_CXX :
1393 streq(suffix, "h") ? FILETYPE_C :
1394 streq(suffix, "ir") ? FILETYPE_IR :
1395 streq(suffix, "o") ? FILETYPE_OBJECT :
1396 streq(suffix, "s") ? FILETYPE_PREPROCESSED_ASSEMBLER :
1397 streq(suffix, "so") ? FILETYPE_OBJECT :
1398 FILETYPE_OBJECT; /* gcc behavior: unknown file extension means object file */
1403 file_list_entry_t *entry
1404 = obstack_alloc(&file_obst, sizeof(entry[0]));
1405 memset(entry, 0, sizeof(entry[0]));
1409 if (last_file != NULL) {
1410 last_file->next = entry;
1418 if (help != HELP_NONE) {
1419 print_help(argv[0], help);
1420 return !argument_errors;
1423 if (print_file_name_file != NULL) {
1424 print_file_name(print_file_name_file);
1425 return EXIT_SUCCESS;
1427 if (files == NULL) {
1428 fprintf(stderr, "error: no input files specified\n");
1429 argument_errors = true;
1432 if (argument_errors) {
1434 return EXIT_FAILURE;
1437 /* apply some effects from switches */
1438 c_mode |= features_on;
1439 c_mode &= ~features_off;
1440 if (profile_generate) {
1441 add_flag(&ldflags_obst, "-lfirmprof");
1442 set_be_option("profilegenerate");
1445 set_be_option("profileuse");
1449 byte_order_big_endian = be_get_backend_param()->byte_order_big_endian;
1450 init_symbol_table();
1463 if (construct_dep_target) {
1464 if (outname != 0 && strlen(outname) >= 2) {
1465 get_output_name(dep_target, sizeof(dep_target), outname, ".d");
1467 get_output_name(dep_target, sizeof(dep_target), files->name, ".d");
1470 dep_target[0] = '\0';
1473 char outnamebuf[4096];
1474 if (outname == NULL) {
1475 const char *filename = files->name;
1478 case BenchmarkParser:
1483 case PreprocessOnly:
1488 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
1489 outname = outnamebuf;
1491 case CompileAssemble:
1492 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
1493 outname = outnamebuf;
1496 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
1498 outname = outnamebuf;
1500 case CompileExportIR:
1501 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
1502 outname = outnamebuf;
1504 case CompileAssembleLink:
1514 assert(outname != NULL);
1517 if (streq(outname, "-")) {
1520 out = fopen(outname, "w");
1522 fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname,
1524 return EXIT_FAILURE;
1528 file_list_entry_t *file;
1529 bool already_constructed_firm = false;
1530 for (file = files; file != NULL; file = file->next) {
1531 char asm_tempfile[1024];
1532 const char *filename = file->name;
1533 filetype_t filetype = file->type;
1535 if (filetype == FILETYPE_OBJECT)
1539 if (mode == LexTest) {
1541 in = open_file(filename);
1542 lextest(in, filename);
1544 return EXIT_SUCCESS;
1547 FILE *preprocessed_in = NULL;
1548 filetype_t next_filetype = filetype;
1551 next_filetype = FILETYPE_PREPROCESSED_C;
1554 next_filetype = FILETYPE_PREPROCESSED_CXX;
1556 case FILETYPE_ASSEMBLER:
1557 next_filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1560 /* no support for input on FILE* yet */
1562 panic("internal compiler error: in for preprocessor != NULL");
1564 preprocessed_in = preprocess(filename, filetype);
1565 if (mode == PreprocessOnly) {
1566 copy_file(out, preprocessed_in);
1567 int result = pclose(preprocessed_in);
1569 /* remove output file in case of error */
1570 if (out != stdout && result != EXIT_SUCCESS) {
1576 in = preprocessed_in;
1577 filetype = next_filetype;
1585 if (mode == Compile) {
1588 asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "ccs");
1592 in = open_file(filename);
1594 /* preprocess and compile */
1595 if (filetype == FILETYPE_PREPROCESSED_C) {
1596 char const* invalid_mode;
1599 case STANDARD_C89: c_mode = _C89; break;
1600 /* TODO determine difference between these two */
1601 case STANDARD_C90: c_mode = _C89; break;
1602 case STANDARD_C99: c_mode = _C89 | _C99; break;
1603 case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
1607 "warning: command line option \"-std=%s\" is not valid for C\n",
1610 case STANDARD_DEFAULT:
1611 case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
1613 case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn;
1614 case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn;
1617 } else if (filetype == FILETYPE_PREPROCESSED_CXX) {
1618 char const* invalid_mode;
1620 case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn;
1621 case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn;
1622 case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn;
1623 case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn;
1624 case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn;
1627 case STANDARD_CXX98: c_mode = _CXX; break;
1631 "warning: command line option \"-std=%s\" is not valid for C++\n",
1633 case STANDARD_DEFAULT:
1634 case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
1638 c_mode |= features_on;
1639 c_mode &= ~features_off;
1641 /* do the actual parsing */
1642 ir_timer_t *t_parsing = ir_timer_new();
1643 timer_register(t_parsing, "Frontend: Parsing");
1644 timer_push(t_parsing);
1646 translation_unit_t *const unit = do_parsing(in, filename);
1647 timer_pop(t_parsing);
1649 /* prints the AST even if errors occurred */
1650 if (mode == PrintAst) {
1655 if (error_count > 0) {
1656 /* parsing failed because of errors */
1657 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
1659 result = EXIT_FAILURE;
1661 } else if (warning_count > 0) {
1662 fprintf(stderr, "%u warning(s)\n", warning_count);
1665 if (in == preprocessed_in) {
1666 int pp_result = pclose(preprocessed_in);
1667 if (pp_result != EXIT_SUCCESS) {
1668 /* remove output file */
1671 return EXIT_FAILURE;
1675 if (mode == BenchmarkParser) {
1677 } else if (mode == PrintFluffy) {
1678 write_fluffy_decls(out, unit);
1680 } else if (mode == PrintJna) {
1681 write_jna_decls(out, unit);
1685 /* build the firm graph */
1686 ir_timer_t *t_construct = ir_timer_new();
1687 timer_register(t_construct, "Frontend: Graph construction");
1688 timer_push(t_construct);
1689 if (already_constructed_firm) {
1690 panic("compiling multiple files/translation units not possible");
1692 translation_unit_to_firm(unit);
1693 already_constructed_firm = true;
1694 timer_pop(t_construct);
1697 if (mode == ParseOnly) {
1701 if (mode == CompileDump) {
1703 ident *id = new_id_from_str(dumpfunction);
1704 ir_graph *irg = NULL;
1705 int n_irgs = get_irp_n_irgs();
1706 for (int i = 0; i < n_irgs; ++i) {
1707 ir_graph *tirg = get_irp_irg(i);
1708 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1716 fprintf(stderr, "No graph for function '%s' found\n",
1718 return EXIT_FAILURE;
1721 dump_ir_graph_file(out, irg);
1723 return EXIT_SUCCESS;
1726 if (mode == CompileExportIR) {
1729 return EXIT_SUCCESS;
1732 gen_firm_finish(asm_out, filename);
1733 if (asm_out != out) {
1736 } else if (filetype == FILETYPE_IR) {
1738 ir_import(filename);
1740 } else if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1741 copy_file(asm_out, in);
1742 if (in == preprocessed_in) {
1743 int pp_result = pclose(preprocessed_in);
1744 if (pp_result != EXIT_SUCCESS) {
1745 /* remove output in error case */
1751 if (asm_out != out) {
1756 if (mode == Compile)
1759 /* if we're here then we have preprocessed assembly */
1760 filename = asm_tempfile;
1761 filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1764 if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1766 const char *filename_o;
1767 if (mode == CompileAssemble) {
1769 filename_o = outname;
1771 FILE *tempf = make_temp_file(temp, sizeof(temp), "cco");
1776 assemble(filename_o, filename);
1778 size_t len = strlen(filename_o) + 1;
1779 filename = obstack_copy(&file_obst, filename_o, len);
1780 filetype = FILETYPE_OBJECT;
1783 /* ok we're done here, process next file */
1784 file->name = filename;
1785 file->type = filetype;
1788 if (result != EXIT_SUCCESS) {
1794 /* link program file */
1795 if (mode == CompileAssembleLink) {
1796 obstack_1grow(&ldflags_obst, '\0');
1797 const char *flags = obstack_finish(&ldflags_obst);
1799 /* construct commandline */
1800 const char *linker = getenv("CPARSER_LINK");
1801 if (linker != NULL) {
1802 obstack_printf(&file_obst, "%s ", linker);
1804 if (target_triple != NULL)
1805 obstack_printf(&file_obst, "%s-", target_triple);
1806 obstack_printf(&file_obst, "%s ", LINKER);
1809 for (file_list_entry_t *entry = files; entry != NULL;
1810 entry = entry->next) {
1811 if (entry->type != FILETYPE_OBJECT)
1814 add_flag(&file_obst, "%s", entry->name);
1817 add_flag(&file_obst, "-o");
1818 add_flag(&file_obst, outname);
1819 obstack_printf(&file_obst, "%s", flags);
1820 obstack_1grow(&file_obst, '\0');
1822 char *commandline = obstack_finish(&file_obst);
1827 int err = system(commandline);
1828 if (err != EXIT_SUCCESS) {
1829 fprintf(stderr, "linker reported an error\n");
1830 return EXIT_FAILURE;
1837 obstack_free(&cppflags_obst, NULL);
1838 obstack_free(&ldflags_obst, NULL);
1839 obstack_free(&asflags_obst, NULL);
1840 obstack_free(&file_obst, NULL);
1850 exit_symbol_table();
1851 return EXIT_SUCCESS;