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 atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
107 unsigned long_double_size = 0;
108 bool enable_main_collect2_hack = false;
109 bool freestanding = false;
111 static machine_triple_t *target_machine;
112 static const char *target_triple;
114 static bool use_builtins;
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("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
637 put_help("-w", "disable all warnings");
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("-pthread", "Use pthread threading library");
663 put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
664 put_help("-mtriple=TARGET", "alias for -mtarget (clang compatibility)");
665 put_help("-march=ARCH", "");
666 put_help("-mtune=ARCH", "");
667 put_help("-mcpu=CPU", "");
668 put_help("-mfpmath=", "");
669 put_help("-mpreferred-stack-boundary=", "");
670 put_help("-mrtd", "");
671 put_help("-mregparm=", "not supported yet");
672 put_help("-msoft-float", "not supported yet");
673 put_help("-m32", "generate 32bit code");
674 put_help("-m64", "generate 64bit code");
675 put_help("-fverbose-asm", "ignored (gcc compatibility)");
676 put_help("-fjump-tables", "ignored (gcc compatibility)");
677 put_help("-fcommon", "ignored (gcc compatibility)");
678 put_help("-foptimize-sibling-calls", "ignored (gcc compatibility)");
679 put_help("-falign-loops", "ignored (gcc compatibility)");
680 put_help("-falign-jumps", "ignored (gcc compatibility)");
681 put_help("-falign-functions", "ignored (gcc compatibility)");
682 put_help("-fPIC", "ignored (gcc compatibility)");
683 put_help("-ffast-math", "same as -ffp-fast (gcc compatibility)");
685 puts("\tMost of these options can be used with a no- prefix to disable them");
686 puts("\te.g. -fno-signed-char");
689 static void print_help_linker(void)
691 put_help("-l LIBRARY", "");
692 put_help("-L PATH", "");
693 put_help("-shared", "Produce a shared library");
694 put_help("-static", "Produce statically linked binary");
695 put_help("-Wl,OPTION", "pass option directly to linker");
698 static void print_help_debug(void)
700 put_help("--lextest", "Preprocess and tokenize only");
701 put_help("--print-ast", "Preprocess, parse and print AST");
702 put_help("--print-implicit-cast", "");
703 put_help("--print-parenthesis", "");
704 put_help("--benchmark", "Preprocess and parse, produces no output");
705 put_help("--time", "Measure time of compiler passes");
706 put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
707 put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
710 static void print_help_language_tools(void)
712 put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
713 put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
714 put_help("--jna-limit filename", "");
715 put_help("--jna-libname name", "");
718 static void print_help_firm(void)
720 put_help("-bOPTION", "directly pass option to libFirm backend");
721 int res = be_parse_arg("help");
728 HELP_BASIC = 1u << 0,
729 HELP_PREPROCESSOR = 1u << 1,
730 HELP_PARSER = 1u << 2,
731 HELP_WARNINGS = 1u << 3,
732 HELP_OPTIMIZATION = 1u << 4,
733 HELP_CODEGEN = 1u << 5,
734 HELP_LINKER = 1u << 6,
735 HELP_LANGUAGETOOLS = 1u << 7,
736 HELP_DEBUG = 1u << 8,
739 HELP_ALL = (unsigned)-1
742 static void print_help(const char *argv0, help_sections_t sections)
744 if (sections & HELP_BASIC) print_help_basic(argv0);
745 if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
746 if (sections & HELP_PARSER) print_help_parser();
747 if (sections & HELP_WARNINGS) print_help_warnings();
748 if (sections & HELP_OPTIMIZATION) print_help_optimization();
749 if (sections & HELP_CODEGEN) print_help_codegeneration();
750 if (sections & HELP_LINKER) print_help_linker();
751 if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
752 if (sections & HELP_DEBUG) print_help_debug();
753 if (sections & HELP_FIRM) print_help_firm();
756 static void set_be_option(const char *arg)
758 int res = be_parse_arg(arg);
763 static void copy_file(FILE *dest, FILE *input)
767 while (!feof(input) && !ferror(dest)) {
768 size_t read = fread(buf, 1, sizeof(buf), input);
769 if (fwrite(buf, 1, read, dest) != read) {
770 perror("couldn't write output");
775 static FILE *open_file(const char *filename)
777 if (streq(filename, "-")) {
781 FILE *in = fopen(filename, "r");
783 fprintf(stderr, "Couldn't open '%s': %s\n", filename,
791 static filetype_t get_filetype_from_string(const char *string)
793 if (streq(string, "c") || streq(string, "c-header"))
795 if (streq(string, "c++") || streq(string, "c++-header"))
797 if (streq(string, "assembler"))
798 return FILETYPE_PREPROCESSED_ASSEMBLER;
799 if (streq(string, "assembler-with-cpp"))
800 return FILETYPE_ASSEMBLER;
801 if (streq(string, "none"))
802 return FILETYPE_AUTODETECT;
804 return FILETYPE_UNKNOWN;
807 static bool init_os_support(void)
809 const char *os = target_machine->operating_system;
810 wchar_atomic_kind = ATOMIC_TYPE_INT;
811 enable_main_collect2_hack = false;
812 define_intmax_types = false;
814 if (strstr(os, "linux") != NULL || strstr(os, "bsd") != NULL
815 || streq(os, "solaris")) {
816 set_create_ld_ident(create_name_linux_elf);
817 } else if (streq(os, "darwin")) {
818 long_double_size = 16;
819 set_create_ld_ident(create_name_macho);
820 define_intmax_types = true;
821 } else if (strstr(os, "mingw") != NULL || streq(os, "win32")) {
822 wchar_atomic_kind = ATOMIC_TYPE_USHORT;
823 enable_main_collect2_hack = true;
824 set_create_ld_ident(create_name_win32);
832 static bool parse_target_triple(const char *arg)
834 machine_triple_t *triple = firm_parse_machine_triple(arg);
835 if (triple == NULL) {
836 fprintf(stderr, "Target-triple is not in the form 'cpu_type-manufacturer-operating_system'\n");
839 target_machine = triple;
843 static void setup_target_machine(void)
845 if (!setup_firm_for_machine(target_machine))
848 const backend_params *be_params = be_get_backend_param();
849 if (be_params->long_double_size % 8 != 0) {
850 fprintf(stderr, "firm-target long double size is not a multiple of 8, can't handle this\n");
854 byte_order_big_endian = be_params->byte_order_big_endian;
855 machine_size = be_params->machine_size;
856 long_double_size = be_params->long_double_size / 8;
861 int main(int argc, char **argv)
865 const char *dumpfunction = NULL;
866 const char *print_file_name_file = NULL;
867 compile_mode_t mode = CompileAssembleLink;
869 int result = EXIT_SUCCESS;
870 char cpu_arch[16] = "ia32";
871 file_list_entry_t *files = NULL;
872 file_list_entry_t *last_file = NULL;
873 bool construct_dep_target = false;
874 bool do_timing = false;
875 bool profile_generate = false;
876 bool profile_use = false;
877 struct obstack file_obst;
879 atexit(free_temp_files);
881 /* hack for now... */
882 if (strstr(argv[0], "pptest") != NULL) {
883 extern int pptest_main(int argc, char **argv);
884 return pptest_main(argc, argv);
887 obstack_init(&cppflags_obst);
888 obstack_init(&ldflags_obst);
889 obstack_init(&asflags_obst);
890 obstack_init(&file_obst);
892 #define GET_ARG_AFTER(def, args) \
894 def = &arg[sizeof(args)-1]; \
895 if (def[0] == '\0') { \
898 fprintf(stderr, "error: expected argument after '" args "'\n"); \
899 argument_errors = true; \
903 if (def[0] == '-' && def[1] != '\0') { \
904 fprintf(stderr, "error: expected argument after '" args "'\n"); \
905 argument_errors = true; \
911 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
913 /* early options parsing (find out optimization level and OS) */
914 for (int i = 1; i < argc; ++i) {
915 const char *arg = argv[i];
919 const char *option = &arg[1];
920 if (option[0] == 'O') {
921 sscanf(&option[1], "%d", &opt_level);
925 const char *target = getenv("TARGET");
927 parse_target_triple(target);
928 if (target_machine == NULL) {
929 target_machine = firm_get_host_machine();
931 choose_optimization_pack(opt_level);
932 setup_target_machine();
934 /* parse rest of options */
935 standard = STANDARD_DEFAULT;
936 unsigned features_on = 0;
937 unsigned features_off = 0;
938 filetype_t forced_filetype = FILETYPE_AUTODETECT;
939 help_sections_t help = HELP_NONE;
940 bool argument_errors = false;
941 for (int i = 1; i < argc; ++i) {
942 const char *arg = argv[i];
943 if (arg[0] == '-' && arg[1] != '\0') {
945 const char *option = &arg[1];
946 if (option[0] == 'o') {
947 GET_ARG_AFTER(outname, "-o");
948 } else if (option[0] == 'g') {
949 set_be_option("debuginfo=stabs");
950 set_be_option("omitfp=no");
951 set_be_option("ia32-nooptcc=yes");
952 } else if (SINGLE_OPTION('c')) {
953 mode = CompileAssemble;
954 } else if (SINGLE_OPTION('E')) {
955 mode = PreprocessOnly;
956 } else if (SINGLE_OPTION('S')) {
958 } else if (option[0] == 'O') {
960 } else if (option[0] == 'I') {
962 GET_ARG_AFTER(opt, "-I");
963 add_flag(&cppflags_obst, "-I%s", opt);
964 } else if (option[0] == 'D') {
966 GET_ARG_AFTER(opt, "-D");
967 add_flag(&cppflags_obst, "-D%s", opt);
968 } else if (option[0] == 'U') {
970 GET_ARG_AFTER(opt, "-U");
971 add_flag(&cppflags_obst, "-U%s", opt);
972 } else if (option[0] == 'l') {
974 GET_ARG_AFTER(opt, "-l");
975 add_flag(&ldflags_obst, "-l%s", opt);
976 } else if (option[0] == 'L') {
978 GET_ARG_AFTER(opt, "-L");
979 add_flag(&ldflags_obst, "-L%s", opt);
980 } else if (SINGLE_OPTION('v')) {
982 } else if (SINGLE_OPTION('w')) {
983 disable_all_warnings();
984 } else if (option[0] == 'x') {
986 GET_ARG_AFTER(opt, "-x");
987 forced_filetype = get_filetype_from_string(opt);
988 if (forced_filetype == FILETYPE_UNKNOWN) {
989 fprintf(stderr, "Unknown language '%s'\n", opt);
990 argument_errors = true;
992 } else if (streq(option, "M")) {
993 mode = PreprocessOnly;
994 add_flag(&cppflags_obst, "-M");
995 } else if (streq(option, "MMD") ||
996 streq(option, "MD")) {
997 construct_dep_target = true;
998 add_flag(&cppflags_obst, "-%s", option);
999 } else if (streq(option, "MM") ||
1000 streq(option, "MP")) {
1001 add_flag(&cppflags_obst, "-%s", option);
1002 } else if (streq(option, "MT") ||
1003 streq(option, "MQ") ||
1004 streq(option, "MF")) {
1006 GET_ARG_AFTER(opt, "-MT");
1007 add_flag(&cppflags_obst, "-%s", option);
1008 add_flag(&cppflags_obst, "%s", opt);
1009 } else if (streq(option, "include")) {
1011 GET_ARG_AFTER(opt, "-include");
1012 add_flag(&cppflags_obst, "-include");
1013 add_flag(&cppflags_obst, "%s", opt);
1014 } else if (streq(option, "isystem")) {
1016 GET_ARG_AFTER(opt, "-isystem");
1017 add_flag(&cppflags_obst, "-isystem");
1018 add_flag(&cppflags_obst, "%s", opt);
1019 #if defined(linux) || defined(__linux) || defined(__linux__) || defined(__CYGWIN__)
1020 } else if (streq(option, "pthread")) {
1021 /* set flags for the preprocessor */
1022 add_flag(&cppflags_obst, "-D_REENTRANT");
1023 /* set flags for the linker */
1024 add_flag(&ldflags_obst, "-lpthread");
1026 } else if (streq(option, "nostdinc")
1027 || streq(option, "trigraphs")) {
1028 /* pass these through to the preprocessor */
1029 add_flag(&cppflags_obst, "%s", arg);
1030 } else if (streq(option, "pipe")) {
1031 /* here for gcc compatibility */
1032 } else if (streq(option, "static")) {
1033 add_flag(&ldflags_obst, "-static");
1034 } else if (streq(option, "shared")) {
1035 add_flag(&ldflags_obst, "-shared");
1036 } else if (option[0] == 'f') {
1037 char const *orig_opt;
1038 GET_ARG_AFTER(orig_opt, "-f");
1040 if (strstart(orig_opt, "input-charset=")) {
1041 char const* const encoding = strchr(orig_opt, '=') + 1;
1042 select_input_encoding(encoding);
1043 } else if (strstart(orig_opt, "align-loops=") ||
1044 strstart(orig_opt, "align-jumps=") ||
1045 strstart(orig_opt, "align-functions=")) {
1046 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1047 } else if (strstart(orig_opt, "visibility=")) {
1048 const char *val = strchr(orig_opt, '=')+1;
1049 elf_visibility_tag_t visibility
1050 = get_elf_visibility_from_string(val);
1051 if (visibility == ELF_VISIBILITY_ERROR) {
1052 fprintf(stderr, "invalid visibility '%s' specified\n",
1054 argument_errors = true;
1056 set_default_visibility(visibility);
1058 } else if (strstart(orig_opt, "message-length=")) {
1059 /* ignore: would only affect error message format */
1061 /* -f options which have an -fno- variant */
1062 char const *opt = orig_opt;
1063 bool truth_value = true;
1064 if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
1065 truth_value = false;
1069 if (streq(opt, "builtins")) {
1070 use_builtins = truth_value;
1071 } else if (streq(opt, "diagnostics-show-option")) {
1072 diagnostics_show_option = truth_value;
1073 } else if (streq(opt, "dollars-in-identifiers")) {
1074 allow_dollar_in_symbol = truth_value;
1075 } else if (streq(opt, "omit-frame-pointer")) {
1076 set_be_option(truth_value ? "omitfp" : "omitfp=no");
1077 } else if (streq(opt, "short-wchar")) {
1078 wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
1080 } else if (streq(opt, "show-column")) {
1081 show_column = truth_value;
1082 } else if (streq(opt, "signed-char")) {
1083 char_is_signed = truth_value;
1084 } else if (streq(opt, "strength-reduce")) {
1085 /* does nothing, for gcc compatibility (even gcc does
1086 * nothing for this switch anymore) */
1087 } else if (streq(opt, "syntax-only")) {
1088 mode = truth_value ? ParseOnly : CompileAssembleLink;
1089 } else if (streq(opt, "unsigned-char")) {
1090 char_is_signed = !truth_value;
1091 } else if (streq(opt, "freestanding")) {
1092 freestanding = truth_value;
1093 } else if (streq(opt, "hosted")) {
1094 freestanding = !truth_value;
1095 } else if (streq(opt, "profile-generate")) {
1096 profile_generate = truth_value;
1097 } else if (streq(opt, "profile-use")) {
1098 profile_use = truth_value;
1099 } else if (!truth_value &&
1100 streq(opt, "asynchronous-unwind-tables")) {
1101 /* nothing todo, a gcc feature which we don't support
1102 * anyway was deactivated */
1103 } else if (streq(opt, "verbose-asm")) {
1104 /* ignore: we always print verbose assembler */
1105 } else if (streq(opt, "fast-math") || streq(opt, "fp-fast")) {
1106 firm_fp_model = fp_model_fast;
1107 } else if (streq(opt, "fp-precise")) {
1108 firm_fp_model = fp_model_precise;
1109 } else if (streq(opt, "fp-strict")) {
1110 firm_fp_model = fp_model_strict;
1111 } else if (streq(opt, "jump-tables") ||
1112 streq(opt, "expensive-optimizations") ||
1113 streq(opt, "common") ||
1114 streq(opt, "optimize-sibling-calls") ||
1115 streq(opt, "align-loops") ||
1116 streq(opt, "align-jumps") ||
1117 streq(opt, "align-functions") ||
1118 streq(opt, "PIC")) {
1119 fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
1120 } else if (streq(opt, "help")) {
1121 fprintf(stderr, "warning: -fhelp is deprecated\n");
1122 help |= HELP_OPTIMIZATION;
1124 int res = firm_option(orig_opt);
1126 fprintf(stderr, "error: unknown Firm option '-f%s'\n",
1128 argument_errors = true;
1133 } else if (option[0] == 'b') {
1135 GET_ARG_AFTER(opt, "-b");
1137 if (streq(opt, "help")) {
1138 fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
1141 int res = be_parse_arg(opt);
1143 fprintf(stderr, "error: unknown Firm backend option '-b %s'\n",
1145 argument_errors = true;
1146 } else if (strstart(opt, "isa=")) {
1147 strncpy(cpu_arch, opt, sizeof(cpu_arch));
1150 } else if (option[0] == 'W') {
1151 if (strstart(option + 1, "p,")) {
1152 // pass options directly to the preprocessor
1154 GET_ARG_AFTER(opt, "-Wp,");
1155 add_flag(&cppflags_obst, "-Wp,%s", opt);
1156 } else if (strstart(option + 1, "l,")) {
1157 // pass options directly to the linker
1159 GET_ARG_AFTER(opt, "-Wl,");
1160 add_flag(&ldflags_obst, "-Wl,%s", opt);
1161 } else if (streq(option + 1, "no-trigraphs")
1162 || streq(option + 1, "undef")) {
1163 add_flag(&cppflags_obst, "%s", arg);
1165 set_warning_opt(&option[1]);
1167 } else if (option[0] == 'm') {
1172 GET_ARG_AFTER(opt, "-m");
1173 if (strstart(opt, "target=")) {
1174 GET_ARG_AFTER(opt, "-mtarget=");
1175 if (!parse_target_triple(opt)) {
1176 argument_errors = true;
1178 setup_target_machine();
1179 target_triple = opt;
1181 } else if (strstart(opt, "triple=")) {
1182 GET_ARG_AFTER(opt, "-mtriple=");
1183 if (!parse_target_triple(opt)) {
1184 argument_errors = true;
1186 setup_target_machine();
1187 target_triple = opt;
1189 } else if (strstart(opt, "arch=")) {
1190 GET_ARG_AFTER(opt, "-march=");
1191 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1192 int res = be_parse_arg(arch_opt);
1193 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1194 res &= be_parse_arg(arch_opt);
1197 fprintf(stderr, "Unknown architecture '%s'\n", arch_opt);
1198 argument_errors = true;
1200 } else if (strstart(opt, "tune=")) {
1201 GET_ARG_AFTER(opt, "-mtune=");
1202 snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
1203 int res = be_parse_arg(arch_opt);
1205 argument_errors = true;
1206 } else if (strstart(opt, "cpu=")) {
1207 GET_ARG_AFTER(opt, "-mcpu=");
1208 snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
1209 int res = be_parse_arg(arch_opt);
1211 argument_errors = true;
1212 } else if (strstart(opt, "fpmath=")) {
1213 GET_ARG_AFTER(opt, "-mfpmath=");
1214 if (streq(opt, "387"))
1216 else if (streq(opt, "sse"))
1219 fprintf(stderr, "error: option -mfpmath supports only 387 or sse\n");
1220 argument_errors = true;
1222 if (!argument_errors) {
1223 snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt);
1224 int res = be_parse_arg(arch_opt);
1226 argument_errors = true;
1228 } else if (strstart(opt, "preferred-stack-boundary=")) {
1229 GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
1230 snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
1231 int res = be_parse_arg(arch_opt);
1233 argument_errors = true;
1234 } else if (streq(opt, "rtd")) {
1235 default_calling_convention = CC_STDCALL;
1236 } else if (strstart(opt, "regparm=")) {
1237 fprintf(stderr, "error: regparm convention not supported yet\n");
1238 argument_errors = true;
1239 } else if (streq(opt, "soft-float")) {
1240 fprintf(stderr, "error: software floatingpoint not supported yet\n");
1241 argument_errors = true;
1243 long int value = strtol(opt, NULL, 10);
1245 fprintf(stderr, "error: wrong option '-m %s'\n", opt);
1246 argument_errors = true;
1247 } else if (value != 16 && value != 32 && value != 64) {
1248 fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
1249 argument_errors = true;
1251 add_flag(&cppflags_obst, "-m%u", machine_size);
1252 add_flag(&asflags_obst, "-m%u", machine_size);
1253 add_flag(&ldflags_obst, "-m%u", machine_size);
1254 /* TODO: choose/change backend based on this */
1257 } else if (streq(option, "pg")) {
1258 set_be_option("gprof");
1259 add_flag(&ldflags_obst, "-pg");
1260 } else if (streq(option, "pedantic") ||
1261 streq(option, "ansi")) {
1262 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
1263 } else if (strstart(option, "std=")) {
1264 const char *const o = &option[4];
1266 streq(o, "c++") ? STANDARD_CXX98 :
1267 streq(o, "c++98") ? STANDARD_CXX98 :
1268 streq(o, "c89") ? STANDARD_C89 :
1269 streq(o, "c99") ? STANDARD_C99 :
1270 streq(o, "c9x") ? STANDARD_C99 : // deprecated
1271 streq(o, "gnu++98") ? STANDARD_GNUXX98 :
1272 streq(o, "gnu89") ? STANDARD_GNU89 :
1273 streq(o, "gnu99") ? STANDARD_GNU99 :
1274 streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
1275 streq(o, "iso9899:1990") ? STANDARD_C89 :
1276 streq(o, "iso9899:199409") ? STANDARD_C90 :
1277 streq(o, "iso9899:1999") ? STANDARD_C99 :
1278 streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
1279 (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
1280 } else if (streq(option, "version")) {
1281 print_cparser_version();
1282 } else if (strstart(option, "print-file-name=")) {
1283 GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
1284 } else if (option[0] == '-') {
1285 /* double dash option */
1287 if (streq(option, "gcc")) {
1288 features_on |= _GNUC;
1289 features_off &= ~_GNUC;
1290 } else if (streq(option, "no-gcc")) {
1291 features_on &= ~_GNUC;
1292 features_off |= _GNUC;
1293 } else if (streq(option, "ms")) {
1295 features_off &= ~_MS;
1296 } else if (streq(option, "no-ms")) {
1297 features_on &= ~_MS;
1298 features_off |= _MS;
1299 } else if (streq(option, "strict")) {
1301 } else if (streq(option, "lextest")) {
1303 } else if (streq(option, "benchmark")) {
1304 mode = BenchmarkParser;
1305 } else if (streq(option, "print-ast")) {
1307 } else if (streq(option, "print-implicit-cast")) {
1308 print_implicit_casts = true;
1309 } else if (streq(option, "print-parenthesis")) {
1310 print_parenthesis = true;
1311 } else if (streq(option, "print-fluffy")) {
1313 } else if (streq(option, "print-jna")) {
1315 } else if (streq(option, "jna-limit")) {
1318 fprintf(stderr, "error: "
1319 "expected argument after '--jna-limit'\n");
1320 argument_errors = true;
1323 jna_limit_output(argv[i]);
1324 } else if (streq(option, "jna-libname")) {
1327 fprintf(stderr, "error: "
1328 "expected argument after '--jna-libname'\n");
1329 argument_errors = true;
1332 jna_set_libname(argv[i]);
1333 } else if (streq(option, "time")) {
1335 } else if (streq(option, "version")) {
1336 print_cparser_version();
1337 return EXIT_SUCCESS;
1338 } else if (streq(option, "help")) {
1340 } else if (streq(option, "help-parser")) {
1341 help |= HELP_PARSER;
1342 } else if (streq(option, "help-warnings")) {
1343 help |= HELP_WARNINGS;
1344 } else if (streq(option, "help-codegen")) {
1345 help |= HELP_CODEGEN;
1346 } else if (streq(option, "help-linker")) {
1347 help |= HELP_LINKER;
1348 } else if (streq(option, "help-optimization")) {
1349 help |= HELP_OPTIMIZATION;
1350 } else if (streq(option, "help-language-tools")) {
1351 help |= HELP_LANGUAGETOOLS;
1352 } else if (streq(option, "help-debug")) {
1354 } else if (streq(option, "help-firm")) {
1356 } else if (streq(option, "help-all")) {
1358 } else if (streq(option, "dump-function")) {
1361 fprintf(stderr, "error: "
1362 "expected argument after '--dump-function'\n");
1363 argument_errors = true;
1366 dumpfunction = argv[i];
1368 } else if (streq(option, "export-ir")) {
1369 mode = CompileExportIR;
1371 fprintf(stderr, "error: unknown argument '%s'\n", arg);
1372 argument_errors = true;
1375 fprintf(stderr, "error: unknown argument '%s'\n", arg);
1376 argument_errors = true;
1379 filetype_t type = forced_filetype;
1380 if (type == FILETYPE_AUTODETECT) {
1381 if (streq(arg, "-")) {
1382 /* - implicitly means C source file */
1385 const char *suffix = strrchr(arg, '.');
1386 /* Ensure there is at least one char before the suffix */
1387 if (suffix != NULL && suffix != arg) {
1390 streq(suffix, "S") ? FILETYPE_ASSEMBLER :
1391 streq(suffix, "a") ? FILETYPE_OBJECT :
1392 streq(suffix, "c") ? FILETYPE_C :
1393 streq(suffix, "i") ? FILETYPE_PREPROCESSED_C :
1394 streq(suffix, "C") ? FILETYPE_CXX :
1395 streq(suffix, "cc") ? FILETYPE_CXX :
1396 streq(suffix, "cp") ? FILETYPE_CXX :
1397 streq(suffix, "cpp") ? FILETYPE_CXX :
1398 streq(suffix, "CPP") ? FILETYPE_CXX :
1399 streq(suffix, "cxx") ? FILETYPE_CXX :
1400 streq(suffix, "c++") ? FILETYPE_CXX :
1401 streq(suffix, "ii") ? FILETYPE_PREPROCESSED_CXX :
1402 streq(suffix, "h") ? FILETYPE_C :
1403 streq(suffix, "ir") ? FILETYPE_IR :
1404 streq(suffix, "o") ? FILETYPE_OBJECT :
1405 streq(suffix, "s") ? FILETYPE_PREPROCESSED_ASSEMBLER :
1406 streq(suffix, "so") ? FILETYPE_OBJECT :
1407 FILETYPE_OBJECT; /* gcc behavior: unknown file extension means object file */
1412 file_list_entry_t *entry
1413 = obstack_alloc(&file_obst, sizeof(entry[0]));
1414 memset(entry, 0, sizeof(entry[0]));
1418 if (last_file != NULL) {
1419 last_file->next = entry;
1427 if (help != HELP_NONE) {
1428 print_help(argv[0], help);
1429 return !argument_errors;
1432 if (print_file_name_file != NULL) {
1433 print_file_name(print_file_name_file);
1434 return EXIT_SUCCESS;
1436 if (files == NULL) {
1437 fprintf(stderr, "error: no input files specified\n");
1438 argument_errors = true;
1441 if (argument_errors) {
1443 return EXIT_FAILURE;
1446 /* apply some effects from switches */
1447 c_mode |= features_on;
1448 c_mode &= ~features_off;
1449 if (profile_generate) {
1450 add_flag(&ldflags_obst, "-lfirmprof");
1451 set_be_option("profilegenerate");
1454 set_be_option("profileuse");
1458 init_symbol_table();
1471 if (construct_dep_target) {
1472 if (outname != 0 && strlen(outname) >= 2) {
1473 get_output_name(dep_target, sizeof(dep_target), outname, ".d");
1475 get_output_name(dep_target, sizeof(dep_target), files->name, ".d");
1478 dep_target[0] = '\0';
1481 char outnamebuf[4096];
1482 if (outname == NULL) {
1483 const char *filename = files->name;
1486 case BenchmarkParser:
1491 case PreprocessOnly:
1496 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
1497 outname = outnamebuf;
1499 case CompileAssemble:
1500 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
1501 outname = outnamebuf;
1504 get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
1506 outname = outnamebuf;
1508 case CompileExportIR:
1509 get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
1510 outname = outnamebuf;
1512 case CompileAssembleLink:
1522 assert(outname != NULL);
1525 if (streq(outname, "-")) {
1528 out = fopen(outname, "w");
1530 fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname,
1532 return EXIT_FAILURE;
1536 file_list_entry_t *file;
1537 bool already_constructed_firm = false;
1538 for (file = files; file != NULL; file = file->next) {
1539 char asm_tempfile[1024];
1540 const char *filename = file->name;
1541 filetype_t filetype = file->type;
1543 if (filetype == FILETYPE_OBJECT)
1547 if (mode == LexTest) {
1549 in = open_file(filename);
1550 lextest(in, filename);
1552 return EXIT_SUCCESS;
1555 FILE *preprocessed_in = NULL;
1556 filetype_t next_filetype = filetype;
1559 next_filetype = FILETYPE_PREPROCESSED_C;
1562 next_filetype = FILETYPE_PREPROCESSED_CXX;
1564 case FILETYPE_ASSEMBLER:
1565 next_filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1568 /* no support for input on FILE* yet */
1570 panic("internal compiler error: in for preprocessor != NULL");
1572 preprocessed_in = preprocess(filename, filetype);
1573 if (mode == PreprocessOnly) {
1574 copy_file(out, preprocessed_in);
1575 int pp_result = pclose(preprocessed_in);
1577 /* remove output file in case of error */
1578 if (out != stdout && pp_result != EXIT_SUCCESS) {
1584 in = preprocessed_in;
1585 filetype = next_filetype;
1593 if (mode == Compile) {
1596 asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "ccs");
1600 in = open_file(filename);
1602 /* preprocess and compile */
1603 if (filetype == FILETYPE_PREPROCESSED_C) {
1604 char const* invalid_mode;
1607 case STANDARD_C89: c_mode = _C89; break;
1608 /* TODO determine difference between these two */
1609 case STANDARD_C90: c_mode = _C89; break;
1610 case STANDARD_C99: c_mode = _C89 | _C99; break;
1611 case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
1615 "warning: command line option \"-std=%s\" is not valid for C\n",
1618 case STANDARD_DEFAULT:
1619 case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
1621 case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn;
1622 case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn;
1625 } else if (filetype == FILETYPE_PREPROCESSED_CXX) {
1626 char const* invalid_mode;
1628 case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn;
1629 case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn;
1630 case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn;
1631 case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn;
1632 case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn;
1635 case STANDARD_CXX98: c_mode = _CXX; break;
1639 "warning: command line option \"-std=%s\" is not valid for C++\n",
1641 case STANDARD_DEFAULT:
1642 case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
1646 c_mode |= features_on;
1647 c_mode &= ~features_off;
1649 /* do the actual parsing */
1650 ir_timer_t *t_parsing = ir_timer_new();
1651 timer_register(t_parsing, "Frontend: Parsing");
1652 timer_push(t_parsing);
1654 translation_unit_t *const unit = do_parsing(in, filename);
1655 timer_pop(t_parsing);
1657 /* prints the AST even if errors occurred */
1658 if (mode == PrintAst) {
1663 if (error_count > 0) {
1664 /* parsing failed because of errors */
1665 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count,
1667 result = EXIT_FAILURE;
1669 } else if (warning_count > 0) {
1670 fprintf(stderr, "%u warning(s)\n", warning_count);
1673 if (in == preprocessed_in) {
1674 int pp_result = pclose(preprocessed_in);
1675 if (pp_result != EXIT_SUCCESS) {
1676 /* remove output file */
1679 return EXIT_FAILURE;
1683 if (mode == BenchmarkParser) {
1685 } else if (mode == PrintFluffy) {
1686 write_fluffy_decls(out, unit);
1688 } else if (mode == PrintJna) {
1689 write_jna_decls(out, unit);
1693 /* build the firm graph */
1694 ir_timer_t *t_construct = ir_timer_new();
1695 timer_register(t_construct, "Frontend: Graph construction");
1696 timer_push(t_construct);
1697 if (already_constructed_firm) {
1698 panic("compiling multiple files/translation units not possible");
1700 translation_unit_to_firm(unit);
1701 already_constructed_firm = true;
1702 timer_pop(t_construct);
1705 if (mode == ParseOnly) {
1709 if (mode == CompileDump) {
1711 ident *id = new_id_from_str(dumpfunction);
1712 ir_graph *irg = NULL;
1713 int n_irgs = get_irp_n_irgs();
1714 for (int i = 0; i < n_irgs; ++i) {
1715 ir_graph *tirg = get_irp_irg(i);
1716 ident *irg_id = get_entity_ident(get_irg_entity(tirg));
1724 fprintf(stderr, "No graph for function '%s' found\n",
1726 return EXIT_FAILURE;
1729 dump_ir_graph_file(out, irg);
1731 return EXIT_SUCCESS;
1734 if (mode == CompileExportIR) {
1737 return EXIT_SUCCESS;
1740 gen_firm_finish(asm_out, filename);
1741 if (asm_out != out) {
1744 } else if (filetype == FILETYPE_IR) {
1746 ir_import(filename);
1748 } else if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1749 copy_file(asm_out, in);
1750 if (in == preprocessed_in) {
1751 int pp_result = pclose(preprocessed_in);
1752 if (pp_result != EXIT_SUCCESS) {
1753 /* remove output in error case */
1759 if (asm_out != out) {
1764 if (mode == Compile)
1767 /* if we're here then we have preprocessed assembly */
1768 filename = asm_tempfile;
1769 filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
1772 if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) {
1774 const char *filename_o;
1775 if (mode == CompileAssemble) {
1777 filename_o = outname;
1779 FILE *tempf = make_temp_file(temp, sizeof(temp), "cco");
1784 assemble(filename_o, filename);
1786 size_t len = strlen(filename_o) + 1;
1787 filename = obstack_copy(&file_obst, filename_o, len);
1788 filetype = FILETYPE_OBJECT;
1791 /* ok we're done here, process next file */
1792 file->name = filename;
1793 file->type = filetype;
1796 if (result != EXIT_SUCCESS) {
1802 /* link program file */
1803 if (mode == CompileAssembleLink) {
1804 obstack_1grow(&ldflags_obst, '\0');
1805 const char *flags = obstack_finish(&ldflags_obst);
1807 /* construct commandline */
1808 const char *linker = getenv("CPARSER_LINK");
1809 if (linker != NULL) {
1810 obstack_printf(&file_obst, "%s ", linker);
1812 if (target_triple != NULL)
1813 obstack_printf(&file_obst, "%s-", target_triple);
1814 obstack_printf(&file_obst, "%s ", LINKER);
1817 for (file_list_entry_t *entry = files; entry != NULL;
1818 entry = entry->next) {
1819 if (entry->type != FILETYPE_OBJECT)
1822 add_flag(&file_obst, "%s", entry->name);
1825 add_flag(&file_obst, "-o");
1826 add_flag(&file_obst, outname);
1827 obstack_printf(&file_obst, "%s", flags);
1828 obstack_1grow(&file_obst, '\0');
1830 char *commandline = obstack_finish(&file_obst);
1835 int err = system(commandline);
1836 if (err != EXIT_SUCCESS) {
1837 fprintf(stderr, "linker reported an error\n");
1838 return EXIT_FAILURE;
1845 obstack_free(&cppflags_obst, NULL);
1846 obstack_free(&ldflags_obst, NULL);
1847 obstack_free(&asflags_obst, NULL);
1848 obstack_free(&file_obst, NULL);
1858 exit_symbol_table();
1859 return EXIT_SUCCESS;