X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=main.c;h=b9b62e1e77d2a2395f41e99aed641cebb38d0f6d;hb=00546364f6dca53f2d6297026f2ba9da8b38979f;hp=2790e01115a237738bef98ec747fd7d58176c284;hpb=63cf7273d8b513ca93148ba80fac753145789f46;p=cparser diff --git a/main.c b/main.c index 2790e01..b9b62e1 100644 --- a/main.c +++ b/main.c @@ -1,3 +1,22 @@ +/* + * This file is part of cparser. + * Copyright (C) 2007-2008 Matthias Braun + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ #include #define _GNU_SOURCE @@ -31,16 +50,13 @@ #define fdopen(fd, mode) _fdopen(fd, mode) #define popen(cmd, mode) _popen(cmd, mode) #define pclose(file) _pclose(file) +#define unlink(filename) _unlink(filename) #else #include #define HAVE_MKSTEMP #endif -#ifndef WITH_LIBCORE -#define WITH_LIBCORE -#endif - #include #include @@ -49,6 +65,7 @@ #include "types.h" #include "type_hash.h" #include "parser.h" +#include "type_t.h" #include "ast2firm.h" #include "diagnostic.h" #include "lang_features.h" @@ -56,10 +73,17 @@ #include "driver/firm_cmdline.h" #include "adt/error.h" #include "write_fluffy.h" +#include "write_caml.h" #include "revision.h" +#include "warning.h" +#include "mangle.h" #ifndef PREPROCESSOR -#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int" +#ifdef __APPLE__ +#define PREPROCESSOR "gcc -E -std=c99 -m32 -U__STRICT_ANSI__" +#else +#define PREPROCESSOR "cpp -std=c99 -m32 -U__STRICT_ANSI__" +#endif #endif #ifndef LINKER @@ -67,11 +91,15 @@ #endif #ifndef ASSEMBLER +#ifdef __APPLE__ +#define ASSEMBLER "gcc -c -xassembler" +#else #define ASSEMBLER "as --32" #endif +#endif /** The current c mode/dialect. */ -unsigned int c_mode = _C89|_C99|_GNUC; +unsigned int c_mode = _C89 | _ANSI | _C99 | _GNUC; /** The 'machine size', 16, 32 or 64 bit, 32bit is the default. */ unsigned int machine_size = 32; @@ -82,8 +110,46 @@ bool char_is_signed = true; /** true for strict language checking. */ bool strict_mode = false; -static int verbose; -static struct obstack cppflags_obst; +/** use builtins for some libc functions */ +bool use_builtins = false; + +/** we have extern function with const attribute. */ +bool have_const_functions = false; + +atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT; + +/* to switch on printing of implicit casts */ +extern bool print_implicit_casts; + +/* to switch on printing of parenthesis to indicate operator precedence */ +extern bool print_parenthesis; + +static int verbose; +static struct obstack cppflags_obst, ldflags_obst; +static char dep_target[1024]; +static const char *outname; + +typedef struct file_list_entry_t file_list_entry_t; + +typedef enum filetype_t { + FILETYPE_AUTODETECT, + FILETYPE_C, + FILETYPE_PREPROCESSED_C, + FILETYPE_CXX, + FILETYPE_PREPROCESSED_CXX, + FILETYPE_ASSEMBLER, + FILETYPE_PREPROCESSED_ASSEMBLER, + FILETYPE_OBJECT, + FILETYPE_UNKNOWN +} filetype_t; + +struct file_list_entry_t { + const char *name; /**< filename or NULL for stdin */ + filetype_t type; + file_list_entry_t *next; +}; + +static file_list_entry_t *temp_files; #if defined(_DEBUG) || defined(FIRM_DEBUG) /** @@ -117,33 +183,44 @@ static void get_output_name(char *buf, size_t buflen, const char *inputname, size_t last_dot = 0xffffffff; size_t i = 0; - if(inputname == NULL) { + if (inputname == NULL) { snprintf(buf, buflen, "a%s", newext); return; } - for(const char *c = inputname; *c != 0; ++c) { - if(*c == '.') + for (const char *c = inputname; *c != 0; ++c) { + if (*c == '.') last_dot = i; ++i; } - if(last_dot == 0xffffffff) + if (last_dot == 0xffffffff) last_dot = i; - if(last_dot >= buflen) + if (last_dot >= buflen) panic("filename too long"); memcpy(buf, inputname, last_dot); size_t extlen = strlen(newext) + 1; - if(extlen + last_dot >= buflen) + if (extlen + last_dot >= buflen) panic("filename too long"); memcpy(buf+last_dot, newext, extlen); } -static translation_unit_t *do_parsing(FILE *const in, const char *const input) +#include "builtins.h" + +static translation_unit_t *do_parsing(FILE *const in, const char *const input_name) { - lexer_open_stream(in, input); - translation_unit_t *unit = parse(); + start_parsing(); + + if (use_builtins) { + lexer_open_buffer(builtins, sizeof(builtins)-1, ""); + parse(); + } + + lexer_open_stream(in, input_name); + parse(); + + translation_unit_t *unit = finish_parsing(); return unit; } @@ -154,46 +231,98 @@ static void lextest(FILE *in, const char *fname) do { lexer_next_preprocessing_token(); print_token(stdout, &lexer_token); - puts(""); - } while(lexer_token.type != T_EOF); + putchar('\n'); + } while (lexer_token.type != T_EOF); } -static FILE* preprocess(FILE* in, const char *fname) +static void add_flag(struct obstack *obst, const char *format, ...) { char buf[4096]; - const char *flags = obstack_finish(&cppflags_obst); + va_list ap; - if(in != stdin) { - snprintf(buf, sizeof(buf), PREPROCESSOR " %s %s", flags, fname); - } else { - /* read from stdin */ - snprintf(buf, sizeof(buf), PREPROCESSOR " %s -", flags); - } + va_start(ap, format); +#ifdef _WIN32 + int len = +#endif + vsnprintf(buf, sizeof(buf), format, ap); + va_end(ap); - if(verbose) { - puts(buf); - } - FILE* f = popen(buf, "r"); - if (f == NULL) { - fprintf(stderr, "invoking preprocessor failed\n"); - exit(1); + obstack_1grow(obst, ' '); +#ifdef _WIN32 + obstack_1grow(obst, '"'); + obstack_grow(obst, buf, len); + obstack_1grow(obst, '"'); +#else + /* escape stuff... */ + for (char *c = buf; *c != '\0'; ++c) { + switch(*c) { + case '"': + case '\'': + case '`': + case ' ': + case '\t': + case '\n': + case '\r': + case '\\': + case '$': + case '(': + case ')': + obstack_1grow(obst, '\\'); + /* FALLTHROUGH */ + default: + obstack_1grow(obst, *c); + break; + } } - return f; +#endif } -static void do_link(const char *out, const char *in) +static const char *type_to_string(type_t *type) { - char buf[4096]; + assert(type->kind == TYPE_ATOMIC); + return get_atomic_kind_name(type->atomic.akind); +} + +static FILE *preprocess(const char *fname) +{ + obstack_1grow(&cppflags_obst, '\0'); + const char *flags = obstack_finish(&cppflags_obst); - snprintf(buf, sizeof(buf), "%s %s -o %s", LINKER, in, out); - if(verbose) { + obstack_printf(&cppflags_obst, "%s", PREPROCESSOR); + + /* setup default defines */ + add_flag(&cppflags_obst, "-U__WCHAR_TYPE__"); + add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t)); + add_flag(&cppflags_obst, "-U__SIZE_TYPE__"); + add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t)); + + /* handle dependency generation */ + if (dep_target[0] != '\0') { + add_flag(&cppflags_obst, "-MF"); + add_flag(&cppflags_obst, dep_target); + if (outname != NULL) { + add_flag(&cppflags_obst, "-MQ"); + add_flag(&cppflags_obst, outname); + } + } + if (flags[0] != '\0') { + obstack_printf(&cppflags_obst, " %s", flags); + } + add_flag(&cppflags_obst, fname); + + obstack_1grow(&cppflags_obst, '\0'); + const char *buf = obstack_finish(&cppflags_obst); + if (verbose) { puts(buf); } - int err = system(buf); - if(err != 0) { - fprintf(stderr, "linker reported an error\n"); + + FILE *f = popen(buf, "r"); + if (f == NULL) { + fprintf(stderr, "invoking preprocessor failed\n"); exit(1); } + + return f; } static void assemble(const char *out, const char *in) @@ -201,12 +330,12 @@ static void assemble(const char *out, const char *in) char buf[4096]; snprintf(buf, sizeof(buf), "%s %s -o %s", ASSEMBLER, in, out); - if(verbose) { + if (verbose) { puts(buf); } int err = system(buf); - if(err != 0) { + if (err != 0) { fprintf(stderr, "assembler reported an error\n"); exit(1); } @@ -214,9 +343,9 @@ static void assemble(const char *out, const char *in) static const char *try_dir(const char *dir) { - if(dir == NULL) + if (dir == NULL) return dir; - if(access(dir, R_OK | W_OK | X_OK) == 0) + if (access(dir, R_OK | W_OK | X_OK) == 0) return dir; return NULL; } @@ -225,29 +354,29 @@ static const char *get_tempdir(void) { static const char *tmpdir = NULL; - if(tmpdir != NULL) + if (tmpdir != NULL) return tmpdir; - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir(getenv("TMPDIR")); - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir(getenv("TMP")); - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir(getenv("TEMP")); #ifdef P_tmpdir - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir(P_tmpdir); #endif - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir("/var/tmp"); - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir("/usr/tmp"); - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = try_dir("/tmp"); - if(tmpdir == NULL) + if (tmpdir == NULL) tmpdir = "."; return tmpdir; @@ -263,35 +392,55 @@ static int mkstemp(char *templ) #endif /** - * an own version of tmpnam, which: writes in a buffer, appends a user specified - * suffix, emits no warnings during linking (like glibc/gnu ld do for tmpnam)... + * an own version of tmpnam, which: writes in a buffer, emits no warnings + * during linking (like glibc/gnu ld do for tmpnam)... */ -static FILE *make_temp_file(char *buffer, size_t buflen, - const char *prefix, const char *suffix) +static FILE *make_temp_file(char *buffer, size_t buflen, const char *prefix) { const char *tempdir = get_tempdir(); - /* oh well... mkstemp doesn't accept a suffix after XXXXXX... */ - (void) suffix; - suffix = ""; - - snprintf(buffer, buflen, "%s/%sXXXXXX%s", tempdir, prefix, suffix); + snprintf(buffer, buflen, "%s/%sXXXXXX", tempdir, prefix); int fd = mkstemp(buffer); - if(fd == -1) { + if (fd == -1) { fprintf(stderr, "couldn't create temporary file: %s\n", strerror(errno)); exit(1); } FILE *out = fdopen(fd, "w"); - if(out == NULL) { + if (out == NULL) { fprintf(stderr, "couldn't create temporary file FILE*\n"); exit(1); } + file_list_entry_t *entry = xmalloc(sizeof(*entry)); + memset(entry, 0, sizeof(*entry)); + + size_t name_len = strlen(buffer) + 1; + char *name = malloc(name_len); + memcpy(name, buffer, name_len); + entry->name = name; + + entry->next = temp_files; + temp_files = entry; + return out; } +static void free_temp_files(void) +{ + file_list_entry_t *entry = temp_files; + file_list_entry_t *next; + for ( ; entry != NULL; entry = next) { + next = entry->next; + + unlink(entry->name); + free((char*) entry->name); + free(entry); + } + temp_files = NULL; +} + /** * Do the necessary lowering for compound parameters. */ @@ -308,6 +457,8 @@ void lower_compound_params(void) } typedef enum compile_mode_t { + BenchmarkParser, + PreprocessOnly, ParseOnly, Compile, CompileDump, @@ -315,7 +466,8 @@ typedef enum compile_mode_t { CompileAssembleLink, LexTest, PrintAst, - PrintFluffy + PrintFluffy, + PrintCaml } compile_mode_t; static void usage(const char *argv0) @@ -323,203 +475,584 @@ static void usage(const char *argv0) fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0); } +static void print_cparser_version(void) { + firm_version_t ver; + firm_get_version(&ver); + + printf("cparser (%s) using libFirm (%u.%u", + cparser_REVISION, ver.major, ver.minor); + if (ver.revision[0] != 0) { + putchar(' '); + fputs(ver.revision, stdout); + } + if (ver.build[0] != 0) { + putchar(' '); + fputs(ver.build, stdout); + } + puts(")\n"); +} + +static void set_be_option(const char *arg) +{ + int res = firm_be_option(arg); + (void) res; + assert(res); +} + +static void set_option(const char *arg) +{ + int res = firm_option(arg); + (void) res; + assert(res); +} + +static void copy_file(FILE *dest, FILE *input) +{ + char buf[16384]; + + while (!feof(input) && !ferror(dest)) { + size_t read = fread(buf, 1, sizeof(buf), input); + if (fwrite(buf, 1, read, dest) != read) { + perror("couldn't write output"); + } + } +} + +static inline bool streq(char const* a, char const* b) +{ + return strcmp(a, b) == 0; +} + +static inline bool strstart(char const* str, char const* start) +{ + do { + if (*start == '\0') + return true; + } while (*str++ == *start++); + return false; +} + +static FILE *open_file(const char *filename) +{ + if (streq(filename, "-")) { + return stdin; + } + + FILE *in = fopen(filename, "r"); + if (in == NULL) { + fprintf(stderr, "Couldn't open '%s': %s\n", filename, + strerror(errno)); + exit(1); + } + + return in; +} + +static filetype_t get_filetype_from_string(const char *string) +{ + if (streq(string, "c") || streq(string, "c-header")) + return FILETYPE_C; + if (streq(string, "c++") || streq(string, "c++-header")) + return FILETYPE_CXX; + if (streq(string, "assembler")) + return FILETYPE_PREPROCESSED_ASSEMBLER; + if (streq(string, "assembler-with-cpp")) + return FILETYPE_ASSEMBLER; + if (streq(string, "none")) + return FILETYPE_AUTODETECT; + + return FILETYPE_UNKNOWN; +} + +static void init_os_support(void) +{ + /* OS option must be set to the backend */ + switch (firm_opt.os_support) { + case OS_SUPPORT_MINGW: + set_be_option("ia32-gasmode=mingw"); + wchar_atomic_kind = ATOMIC_TYPE_USHORT; + break; + case OS_SUPPORT_LINUX: + set_be_option("ia32-gasmode=elf"); + break; + case OS_SUPPORT_MACHO: + set_be_option("ia32-gasmode=macho"); + set_be_option("ia32-stackalign=4"); + set_be_option("pic"); + break; + } +} + +typedef enum lang_standard_t { + STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */ + STANDARD_ANSI, /* c89 (for C) or c++98 (for C++) */ + STANDARD_C89, /* ISO C90 (sic) */ + STANDARD_C90, /* ISO C90 as modified in amendment 1 */ + STANDARD_C99, /* ISO C99 */ + STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */ + STANDARD_GNU99, /* ISO C99 plus GNU extensions */ + STANDARD_CXX98, /* ISO C++ 1998 plus amendments */ + STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */ +} lang_standard_t; + int main(int argc, char **argv) { initialize_firm(); - const char *input = NULL; - const char *outname = NULL; - const char *dumpfunction = NULL; - compile_mode_t mode = CompileAssembleLink; + const char *dumpfunction = NULL; + compile_mode_t mode = CompileAssembleLink; + int opt_level = 1; + int result = EXIT_SUCCESS; + char cpu_arch[16] = "ia32"; + file_list_entry_t *files = NULL; + file_list_entry_t *last_file = NULL; + bool construct_dep_target = false; + struct obstack file_obst; + + atexit(free_temp_files); + + /* hack for now... */ + if (strstr(argv[0], "pptest") != NULL) { + extern int pptest_main(int argc, char **argv); + return pptest_main(argc, argv); + } obstack_init(&cppflags_obst); + obstack_init(&ldflags_obst); + obstack_init(&file_obst); #define GET_ARG_AFTER(def, args) \ def = &arg[sizeof(args)-1]; \ - if(def[0] == '\0') { \ + if (def[0] == '\0') { \ ++i; \ - if(i >= argc) { \ + if (i >= argc) { \ fprintf(stderr, "error: expected argument after '" args "'\n"); \ argument_errors = true; \ break; \ } \ def = argv[i]; \ - if(def[0] == '-' && def[1] != '\0') { \ + if (def[0] == '-' && def[1] != '\0') { \ fprintf(stderr, "error: expected argument after '" args "'\n"); \ argument_errors = true; \ continue; \ } \ } - bool help_displayed = false; - bool argument_errors = false; - for(int i = 1; i < argc; ++i) { +#define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0') + + /* early options parsing (find out optimisation level and OS) */ + for (int i = 1; i < argc; ++i) { const char *arg = argv[i]; - if(strncmp(arg, "-o", 2) == 0) { - GET_ARG_AFTER(outname, "-o"); - } else if(strcmp(arg, "-c") == 0) { - mode = CompileAssemble; - } else if(strcmp(arg, "-S") == 0) { - mode = Compile; - } else if(strcmp(arg, "--gcc") == 0) { - c_mode |= _GNUC; - } else if(strcmp(arg, "--no-gcc") == 0) { - c_mode &= ~_GNUC; - } else if(strcmp(arg, "--ms") == 0) { - c_mode |= _MS; - } else if(strcmp(arg, "--signed-chars") == 0) { - char_is_signed = true; - } else if(strcmp(arg, "--unsigned-chars") == 0) { - char_is_signed = false; - } else if(strcmp(arg, "--strict") == 0) { - strict_mode = true; - } else if(strcmp(arg, "--no-ms") == 0) { - c_mode &= ~_MS; - } else if(strcmp(arg, "--lextest") == 0) { - mode = LexTest; - } else if(strcmp(arg, "--print-ast") == 0) { - mode = PrintAst; - } else if(strcmp(arg, "--print-fluffy") == 0) { - mode = PrintFluffy; - } else if(strcmp(arg, "--version") == 0) { - firm_version_t ver; - firm_get_version(&ver); - printf("cparser (%d.%d %s) using libFirm (%u.%u", 0, 1, cparser_REVISION, ver.major, ver.minor); - if(ver.revision[0] != 0) { - putchar(' '); - fputs(ver.revision, stdout); - } - if(ver.build[0] != 0) { - putchar(' '); - fputs(ver.build, stdout); - } - puts(")\n"); - exit(EXIT_SUCCESS); - } else if(strcmp(arg, "-fsyntax-only") == 0) { - mode = ParseOnly; - } else if(strncmp(arg, "-I", 2) == 0) { - const char *opt; - GET_ARG_AFTER(opt, "-I"); - obstack_printf(&cppflags_obst, " -I%s", opt); - } else if(strncmp(arg, "-D", 2) == 0) { - const char *opt; - GET_ARG_AFTER(opt, "-D"); - obstack_printf(&cppflags_obst, " -D%s", opt); - } else if(strncmp(arg, "-U", 2) == 0) { - const char *opt; - GET_ARG_AFTER(opt, "-U"); - obstack_printf(&cppflags_obst, " -U%s", opt); - } else if(strcmp(arg, "--dump-function") == 0) { - ++i; - if(i >= argc) { - fprintf(stderr, "error: " - "expected argument after '--dump-function'\n"); - argument_errors = true; - break; - } - dumpfunction = argv[i]; - mode = CompileDump; - } else if(strcmp(arg, "-v") == 0) { - verbose = 1; - } else if(strcmp(arg, "-w") == 0) { - inhibit_all_warnings = true; - } else if(arg[0] == '-' && arg[1] == 'f') { - const char *opt; - GET_ARG_AFTER(opt, "-f"); - - if(strcmp(opt, "omit-frame-pointer") == 0) { - firm_be_option("omitfp"); - } else if(strcmp(opt, "no-omit-frame-pointer") == 0) { - firm_be_option("omitfp=no"); - } else { - int res = firm_option(opt); + if (arg[0] != '-') + continue; + + const char *option = &arg[1]; + if (option[0] == 'O') { + sscanf(&option[1], "%d", &opt_level); + } + if (strcmp(arg, "-fwin32") == 0) { + firm_opt.os_support = OS_SUPPORT_MINGW; + } else if (strcmp(arg, "-fmac") == 0) { + firm_opt.os_support = OS_SUPPORT_MACHO; + } else if (strcmp(arg, "-flinux") == 0) { + firm_opt.os_support = OS_SUPPORT_LINUX; + } + } + + /* set target/os specific stuff */ + init_os_support(); + + /* apply optimisation level */ + switch(opt_level) { + case 0: + set_option("no-opt"); + break; + case 1: + set_option("no-inline"); + break; + default: + case 4: + set_option("strict-aliasing"); + /* use_builtins = true; */ + /* fallthrough */ + case 3: + set_option("cond-eval"); + set_option("if-conv"); + /* fallthrough */ + case 2: + set_option("inline"); + set_option("deconv"); + set_be_option("omitfp"); + break; + } + + /* parse rest of options */ + lang_standard_t standard = STANDARD_DEFAULT; + unsigned features_on = 0; + unsigned features_off = 0; + filetype_t forced_filetype = FILETYPE_AUTODETECT; + bool help_displayed = false; + bool argument_errors = false; + for (int i = 1; i < argc; ++i) { + const char *arg = argv[i]; + if (arg[0] == '-' && arg[1] != '\0') { + /* an option */ + const char *option = &arg[1]; + if (option[0] == 'o') { + GET_ARG_AFTER(outname, "-o"); + } else if (option[0] == 'g') { + set_be_option("debuginfo=stabs"); + set_be_option("omitfp=no"); + set_be_option("ia32-nooptcc=yes"); + } else if (SINGLE_OPTION('c')) { + mode = CompileAssemble; + } else if (SINGLE_OPTION('E')) { + mode = PreprocessOnly; + } else if (SINGLE_OPTION('S')) { + mode = Compile; + } else if (option[0] == 'O') { + continue; + } else if (option[0] == 'I') { + const char *opt; + GET_ARG_AFTER(opt, "-I"); + add_flag(&cppflags_obst, "-I%s", opt); + } else if (option[0] == 'D') { + const char *opt; + GET_ARG_AFTER(opt, "-D"); + add_flag(&cppflags_obst, "-D%s", opt); + } else if (option[0] == 'U') { + const char *opt; + GET_ARG_AFTER(opt, "-U"); + add_flag(&cppflags_obst, "-U%s", opt); + } else if (option[0] == 'l') { + const char *opt; + GET_ARG_AFTER(opt, "-l"); + add_flag(&ldflags_obst, "-l%s", opt); + } else if (option[0] == 'L') { + const char *opt; + GET_ARG_AFTER(opt, "-L"); + add_flag(&ldflags_obst, "-L%s", opt); + } else if (SINGLE_OPTION('v')) { + verbose = 1; + } else if (SINGLE_OPTION('w')) { + memset(&warning, 0, sizeof(warning)); + } else if (option[0] == 'x') { + const char *opt; + GET_ARG_AFTER(opt, "-x"); + forced_filetype = get_filetype_from_string(opt); + if (forced_filetype == FILETYPE_UNKNOWN) { + fprintf(stderr, "Unknown language '%s'\n", opt); + argument_errors = true; + } + } else if (streq(option, "M")) { + mode = PreprocessOnly; + add_flag(&cppflags_obst, "-M"); + } else if (streq(option, "MMD") || + streq(option, "MD")) { + construct_dep_target = true; + add_flag(&cppflags_obst, "-%s", option); + } else if (streq(option, "MM") || + streq(option, "MP")) { + add_flag(&cppflags_obst, "-%s", option); + } else if (streq(option, "MT") || + streq(option, "MQ") || + streq(option, "MF")) { + const char *opt; + GET_ARG_AFTER(opt, "-MT"); + add_flag(&cppflags_obst, "-%s", option); + add_flag(&cppflags_obst, "%s", opt); + } else if (streq(option, "pipe")) { + /* here for gcc compatibility */ + } else if (option[0] == 'f') { + char const *orig_opt; + GET_ARG_AFTER(orig_opt, "-f"); + + if (strstart(orig_opt, "align-loops=") || + strstart(orig_opt, "align-jumps=") || + strstart(orig_opt, "align-functions=")) { + fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt); + } else { + char const *opt = orig_opt; + bool truth_value = true; + if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') { + truth_value = false; + opt += 3; + } + + if (streq(opt, "dollars-in-identifiers")) { + allow_dollar_in_symbol = truth_value; + } if (streq(opt, "builtins")) { + use_builtins = truth_value; + } else if (streq(opt, "short-wchar")) { + wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT + : ATOMIC_TYPE_INT; + } else if (streq(opt, "syntax-only")) { + mode = truth_value ? ParseOnly : CompileAssembleLink; + } else if (streq(opt, "omit-frame-pointer")) { + set_be_option(truth_value ? "omitfp" : "omitfp=no"); + } else if (streq(opt, "strength-reduce")) { + firm_option(truth_value ? "strength-red" : "no-strength-red"); + } else if (streq(opt, "fast-math") || + streq(opt, "jump-tables") || + streq(opt, "unroll-loops") || + streq(opt, "expensive-optimizations") || + streq(opt, "common") || + streq(opt, "PIC") || + streq(opt, "align-loops") || + streq(opt, "align-jumps") || + streq(opt, "align-functions")) { + fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt); + } else { + int res = firm_option(orig_opt); + if (res == 0) { + fprintf(stderr, "error: unknown Firm option '-f%s'\n", + orig_opt); + argument_errors = true; + continue; + } else if (res == -1) { + help_displayed = true; + } + } + } + } else if (option[0] == 'b') { + const char *opt; + GET_ARG_AFTER(opt, "-b"); + int res = firm_be_option(opt); if (res == 0) { - fprintf(stderr, "error: unknown Firm option '-f %s'\n", + fprintf(stderr, "error: unknown Firm backend option '-b %s'\n", opt); argument_errors = true; - continue; } else if (res == -1) { help_displayed = true; + } else if (strstart(opt, "isa=")) { + strncpy(cpu_arch, opt, sizeof(cpu_arch)); } - } - } else if(arg[0] == '-' && arg[1] == 'b') { - const char *opt; - GET_ARG_AFTER(opt, "-b"); - int res = firm_be_option(opt); - if (res == 0) { - fprintf(stderr, "error: unknown Firm backend option '-b %s'\n", - opt); - argument_errors = true; - } else if (res == -1) { - help_displayed = true; - } - } else if(arg[0] == '-' && arg[1] == 'W') { - const char *opt; - GET_ARG_AFTER(opt, "-W"); - if (strcmp(opt, "error") == 0) { - warnings_are_errors = true; - } else if (strcmp(opt, "fatal-errors") == 0) { - fatal_errors = true; - } else { - fprintf(stderr, "warning: ignoring gcc option -W%s\n", opt); - } - } else if(arg[0] == '-' && arg[1] == 'm') { - const char *opt; - GET_ARG_AFTER(opt, "-m"); - char *endptr; - long int value = strtol(opt, &endptr, 10); - if (*endptr != '\0') { - fprintf(stderr, "error: wrong option '-m %s'\n", opt); - argument_errors = true; - } - if (value != 16 && value != 32 && value != 64) { - fprintf(stderr, "error: option -m supports only 16, 32 or 64\n"); - argument_errors = true; - } else { - machine_size = (unsigned int)value; - } - } else if(arg[0] == '-') { - if (arg[1] == '\0') { - if(input != NULL) { - fprintf(stderr, "error: multiple input files specified\n"); - argument_errors = true; + } else if (option[0] == 'W') { + if (strstart(option + 1, "l,")) // a gcc-style linker option + { + const char *opt; + GET_ARG_AFTER(opt, "-Wl,"); + add_flag(&ldflags_obst, "-Wl,%s", opt); + } + else set_warning_opt(&option[1]); + } else if (option[0] == 'm') { + /* -m options */ + const char *opt; + char arch_opt[64]; + + GET_ARG_AFTER(opt, "-m"); + if (strstart(opt, "arch=")) { + GET_ARG_AFTER(opt, "-march="); + snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + else { + snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + } + } else if (strstart(opt, "tune=")) { + GET_ARG_AFTER(opt, "-mtune="); + snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + } else if (strstart(opt, "cpu=")) { + GET_ARG_AFTER(opt, "-mcpu="); + snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + } else if (strstart(opt, "fpmath=")) { + GET_ARG_AFTER(opt, "-mfpmath="); + if (streq(opt, "387")) + opt = "x87"; + else if (streq(opt, "sse")) + opt = "sse2"; + else { + fprintf(stderr, "error: option -mfpumath supports only 387 or sse\n"); + argument_errors = true; + } + if (!argument_errors) { + snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + } + } else if (strstart(opt, "preferred-stack-boundary=")) { + GET_ARG_AFTER(opt, "-mpreferred-stack-boundary="); + snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt); + int res = firm_be_option(arch_opt); + if (res == 0) + argument_errors = true; + } else if (streq(opt, "omit-leaf-frame-pointer")) { + set_be_option("omitleaffp=1"); + } else if (streq(opt, "no-omit-leaf-frame-pointer")) { + set_be_option("omitleaffp=0"); } else { - input = arg; + char *endptr; + long int value = strtol(opt, &endptr, 10); + if (*endptr != '\0') { + fprintf(stderr, "error: wrong option '-m %s'\n", opt); + argument_errors = true; + } + if (value != 16 && value != 32 && value != 64) { + fprintf(stderr, "error: option -m supports only 16, 32 or 64\n"); + argument_errors = true; + } else { + machine_size = (unsigned int)value; + } } - } else if(strcmp(arg, "-pedantic") == 0) { - fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg); - } else if(arg[1] == 'O' || - arg[1] == 'g' || - strncmp(arg + 1, "std=", 4) == 0) { + } else if (streq(option, "pg")) { + set_be_option("gprof"); + add_flag(&ldflags_obst, "-pg"); + } else if (streq(option, "pedantic") || + streq(option, "ansi")) { fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg); + } else if (streq(option, "shared")) { + add_flag(&ldflags_obst, "-shared"); + } else if (strstart(option, "std=")) { + const char *const o = &option[4]; + standard = + streq(o, "c++") ? STANDARD_CXX98 : + streq(o, "c++98") ? STANDARD_CXX98 : + streq(o, "c89") ? STANDARD_C89 : + streq(o, "c99") ? STANDARD_C99 : + streq(o, "c9x") ? STANDARD_C99 : // deprecated + streq(o, "gnu++98") ? STANDARD_GNUXX98 : + streq(o, "gnu89") ? STANDARD_GNU89 : + streq(o, "gnu99") ? STANDARD_GNU99 : + streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated + streq(o, "iso9899:1990") ? STANDARD_C89 : + streq(o, "iso9899:199409") ? STANDARD_C90 : + streq(o, "iso9899:1999") ? STANDARD_C99 : + streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated + (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard); + } else if (streq(option, "version")) { + print_cparser_version(); + } else if (option[0] == '-') { + /* double dash option */ + ++option; + if (streq(option, "gcc")) { + features_on |= _GNUC; + features_off &= ~_GNUC; + } else if (streq(option, "no-gcc")) { + features_on &= ~_GNUC; + features_off |= _GNUC; + } else if (streq(option, "ms")) { + features_on |= _MS; + features_off &= ~_MS; + } else if (streq(option, "no-ms")) { + features_on &= ~_MS; + features_off |= _MS; + } else if (streq(option, "signed-chars")) { + char_is_signed = true; + } else if (streq(option, "unsigned-chars")) { + char_is_signed = false; + } else if (streq(option, "strict")) { + strict_mode = true; + } else if (streq(option, "lextest")) { + mode = LexTest; + } else if (streq(option, "benchmark")) { + mode = BenchmarkParser; + } else if (streq(option, "print-ast")) { + mode = PrintAst; + } else if (streq(option, "print-implicit-cast")) { + print_implicit_casts = true; + } else if (streq(option, "print-parenthesis")) { + print_parenthesis = true; + } else if (streq(option, "print-fluffy")) { + mode = PrintFluffy; + } else if (streq(option, "print-caml")) { + mode = PrintCaml; + } else if (streq(option, "version")) { + print_cparser_version(); + exit(EXIT_SUCCESS); + } else if (streq(option, "dump-function")) { + ++i; + if (i >= argc) { + fprintf(stderr, "error: " + "expected argument after '--dump-function'\n"); + argument_errors = true; + break; + } + dumpfunction = argv[i]; + mode = CompileDump; + } else { + fprintf(stderr, "error: unknown argument '%s'\n", arg); + argument_errors = true; + } } else { fprintf(stderr, "error: unknown argument '%s'\n", arg); argument_errors = true; } } else { - if(input != NULL) { - fprintf(stderr, "error: multiple input files specified\n"); - argument_errors = true; + filetype_t type = forced_filetype; + if (type == FILETYPE_AUTODETECT) { + if (streq(arg, "-")) { + /* - implicitly means C source file */ + type = FILETYPE_C; + } else { + const char *suffix = strrchr(arg, '.'); + /* Ensure there is at least one char before the suffix */ + if (suffix != NULL && suffix != arg) { + ++suffix; + type = + streq(suffix, "S") ? FILETYPE_ASSEMBLER : + streq(suffix, "a") ? FILETYPE_OBJECT : + streq(suffix, "c") ? FILETYPE_C : + streq(suffix, "cc") ? FILETYPE_CXX : + streq(suffix, "cpp") ? FILETYPE_CXX : + streq(suffix, "cxx") ? FILETYPE_CXX : + streq(suffix, "h") ? FILETYPE_C : + streq(suffix, "o") ? FILETYPE_OBJECT : + streq(suffix, "s") ? FILETYPE_PREPROCESSED_ASSEMBLER : + streq(suffix, "so") ? FILETYPE_OBJECT : + FILETYPE_AUTODETECT; + } + } + + if (type == FILETYPE_AUTODETECT) { + fprintf(stderr, "'%s': file format not recognized\n", arg); + continue; + } + } + + file_list_entry_t *entry + = obstack_alloc(&file_obst, sizeof(entry[0])); + memset(entry, 0, sizeof(entry[0])); + entry->name = arg; + entry->type = type; + + if (last_file != NULL) { + last_file->next = entry; } else { - input = arg; + files = entry; } + last_file = entry; } } - /* we do the lowering in ast2firm */ - firm_opt.lower_bitfields = FALSE; + if (files == NULL) { + fprintf(stderr, "error: no input files specified\n"); + argument_errors = true; + } - if(help_displayed) { + if (help_displayed) { return !argument_errors; } - if(argument_errors) { + if (argument_errors) { usage(argv[0]); return 1; } + /* we do the lowering in ast2firm */ + firm_opt.lower_bitfields = FALSE; + gen_firm_init(); init_symbol_table(); - init_tokens(); init_types(); init_typehash(); init_basic_types(); @@ -527,25 +1060,38 @@ int main(int argc, char **argv) init_ast(); init_parser(); init_ast2firm(); + init_mangle(); + + if (construct_dep_target) { + if (outname != 0 && strlen(outname) >= 2) { + get_output_name(dep_target, sizeof(dep_target), outname, ".d"); + } else { + get_output_name(dep_target, sizeof(dep_target), files->name, ".d"); + } + } else { + dep_target[0] = '\0'; + } + + char outnamebuf[4096]; + if (outname == NULL) { + const char *filename = files->name; - FILE *out = NULL; - char outnamebuf[4096]; - if(outname == NULL) { switch(mode) { + case BenchmarkParser: case PrintAst: case PrintFluffy: + case PrintCaml: case LexTest: - if(outname == NULL) - outname = "-"; - break; + case PreprocessOnly: case ParseOnly: + outname = "-"; break; case Compile: - get_output_name(outnamebuf, sizeof(outnamebuf), input, ".s"); + get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s"); outname = outnamebuf; break; case CompileAssemble: - get_output_name(outnamebuf, sizeof(outnamebuf), input, ".o"); + get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o"); outname = outnamebuf; break; case CompileDump: @@ -554,138 +1100,286 @@ int main(int argc, char **argv) outname = outnamebuf; break; case CompileAssembleLink: +#ifdef _WIN32 + outname = "a.exe"; +#else outname = "a.out"; +#endif break; } } - if(outname != NULL) { - if(strcmp(outname, "-") == 0) { - out = stdout; - } else { - out = fopen(outname, "w"); - if(out == NULL) { - fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname, - strerror(errno)); - return 1; - } - } - } + assert(outname != NULL); - FILE *in; - if(input == NULL) { - fprintf(stderr, "%s: no input files\n", argv[0]); - return 1; - } else if(strcmp(input, "-") == 0) { - in = stdin; - input = ""; + FILE *out; + if (streq(outname, "-")) { + out = stdout; } else { - in = fopen(input, "r"); - if(in == NULL) { - fprintf(stderr, "Couldn't open '%s': %s\n", input, strerror(errno)); + out = fopen(outname, "w"); + if (out == NULL) { + fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname, + strerror(errno)); return 1; } } - if(mode == LexTest) { - lextest(in, input); - fclose(in); - return 0; - } + file_list_entry_t *file; + for (file = files; file != NULL; file = file->next) { + char asm_tempfile[1024]; + const char *filename = file->name; + filetype_t filetype = file->type; + + if (filetype == FILETYPE_OBJECT) + continue; + + FILE *in = NULL; + if (mode == LexTest) { + if (in == NULL) + in = open_file(filename); + lextest(in, filename); + fclose(in); + exit(EXIT_SUCCESS); + } - FILE *preprocessed_in = preprocess(in, input); - translation_unit_t *const unit = do_parsing(preprocessed_in, input); - pclose(preprocessed_in); - if(unit == NULL) { - /* parsing failed because of errors */ - fprintf(stderr, "%u error(s), %u warning(s)\n", error_count, warning_count); - return EXIT_FAILURE; - } - if (warning_count > 0) { - fprintf(stderr, "%u warning(s)\n", warning_count); - } + FILE *preprocessed_in = NULL; + switch (filetype) { + case FILETYPE_C: filetype = FILETYPE_PREPROCESSED_C; goto preprocess; + case FILETYPE_CXX: filetype = FILETYPE_PREPROCESSED_CXX; goto preprocess; + case FILETYPE_ASSEMBLER: filetype = FILETYPE_PREPROCESSED_ASSEMBLER; goto preprocess; +preprocess: + /* no support for input on FILE* yet */ + if (in != NULL) + panic("internal compiler error: in for preprocessor != NULL"); + + preprocessed_in = preprocess(filename); + if (mode == PreprocessOnly) { + copy_file(out, preprocessed_in); + int result = pclose(preprocessed_in); + fclose(out); + return result; + } - if(mode == PrintAst) { - type_set_output(out); - ast_set_output(out); - print_ast(unit); - return 0; - } - if(mode == PrintFluffy) { - type_set_output(out); - ast_set_output(out); - write_fluffy_decls(out, unit); - } + in = preprocessed_in; + break; - translation_unit_to_firm(unit); + default: + break; + } - if(mode == ParseOnly) { - return 0; - } + FILE *asm_out; + if (mode == Compile) { + asm_out = out; + } else { + asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "ccs"); + } - FILE *asm_out; - char asm_tempfile[1024]; - if(mode == CompileDump) { - asm_out = NULL; - firm_be_opt.selection = BE_NONE; - } else if(mode == Compile) { - asm_out = out; - } else { - asm_out - = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "cc", ".s"); - } - gen_firm_finish(asm_out, input, /*c_mode=*/1, /*firm_const_exists=*/0); - - if(mode == CompileDump) { - /* find irg */ - ident *id = new_id_from_str(dumpfunction); - ir_graph *irg = NULL; - int n_irgs = get_irp_n_irgs(); - for(int i = 0; i < n_irgs; ++i) { - ir_graph *tirg = get_irp_irg(i); - ident *irg_id = get_entity_ident(get_irg_entity(tirg)); - if(irg_id == id) { - irg = tirg; - break; + if (in == NULL) + in = open_file(filename); + + /* preprocess and compile */ + if (filetype == FILETYPE_PREPROCESSED_C) { + char const* invalid_mode; + switch (standard) { + case STANDARD_ANSI: + case STANDARD_C89: c_mode = _C89; break; + /* TODO ^v determine difference between these two */ + case STANDARD_C90: c_mode = _C89; break; + case STANDARD_C99: c_mode = _C89 | _C99; break; + case STANDARD_GNU89: c_mode = _C89 | _GNUC; break; + +default_c_warn: + fprintf(stderr, + "warning: command line option \"-std=%s\" is not valid for C\n", + invalid_mode); + /* FALLTHROUGH */ + case STANDARD_DEFAULT: + case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break; + + case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn; + case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn; + } + goto do_parsing; + } else if (filetype == FILETYPE_PREPROCESSED_CXX) { + char const* invalid_mode; + switch (standard) { + case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn; + case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn; + case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn; + case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn; + case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn; + + case STANDARD_ANSI: + case STANDARD_CXX98: c_mode = _CXX; break; + +default_cxx_warn: + fprintf(stderr, + "warning: command line option \"-std=%s\" is not valid for C++\n", + invalid_mode); + case STANDARD_DEFAULT: + case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break; + } + +do_parsing: + c_mode |= features_on; + c_mode &= ~features_off; + init_tokens(); + translation_unit_t *const unit = do_parsing(in, filename); + + /* prints the AST even if errors occurred */ + if (mode == PrintAst) { + type_set_output(out); + ast_set_output(out); + print_ast(unit); + } + + if (error_count > 0) { + /* parsing failed because of errors */ + fprintf(stderr, "%u error(s), %u warning(s)\n", error_count, + warning_count); + result = EXIT_FAILURE; + continue; + } else if (warning_count > 0) { + fprintf(stderr, "%u warning(s)\n", warning_count); + } + + if (in == preprocessed_in) { + int pp_result = pclose(preprocessed_in); + if (pp_result != EXIT_SUCCESS) { + exit(EXIT_FAILURE); + } + } + + if (mode == BenchmarkParser) { + return result; + } else if (mode == PrintFluffy) { + write_fluffy_decls(out, unit); + continue; + } else if (mode == PrintCaml) { + write_caml_decls(out, unit); + continue; + } + + translation_unit_to_firm(unit); + + if (mode == ParseOnly) { + continue; + } + + if (mode == CompileDump) { + /* find irg */ + ident *id = new_id_from_str(dumpfunction); + ir_graph *irg = NULL; + int n_irgs = get_irp_n_irgs(); + for (int i = 0; i < n_irgs; ++i) { + ir_graph *tirg = get_irp_irg(i); + ident *irg_id = get_entity_ident(get_irg_entity(tirg)); + if (irg_id == id) { + irg = tirg; + break; + } + } + + if (irg == NULL) { + fprintf(stderr, "No graph for function '%s' found\n", + dumpfunction); + exit(1); + } + + dump_ir_block_graph_file(irg, out); + fclose(out); + exit(0); + } + + gen_firm_finish(asm_out, filename, /*c_mode=*/1, + have_const_functions); + if (asm_out != out) { + fclose(asm_out); + } + } else if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) { + copy_file(asm_out, in); + if (in == preprocessed_in) { + int pp_result = pclose(preprocessed_in); + if (pp_result != EXIT_SUCCESS) { + return pp_result; + } + } + if (asm_out != out) { + fclose(asm_out); } } - if(irg == NULL) { - fprintf(stderr, "No graph for function '%s' found\n", dumpfunction); - return 1; + if (mode == Compile) + continue; + + /* if we're here then we have preprocessed assembly */ + filename = asm_tempfile; + filetype = FILETYPE_PREPROCESSED_ASSEMBLER; + + /* assemble */ + if (filetype == FILETYPE_PREPROCESSED_ASSEMBLER) { + char temp[1024]; + const char *filename_o; + if (mode == CompileAssemble) { + fclose(out); + filename_o = outname; + } else { + FILE *tempf = make_temp_file(temp, sizeof(temp), "cco"); + fclose(tempf); + filename_o = temp; + } + + assemble(filename_o, filename); + + size_t len = strlen(filename_o) + 1; + filename = obstack_copy(&file_obst, filename_o, len); + filetype = FILETYPE_OBJECT; } - dump_ir_block_graph_file(irg, out); - fclose(out); - return 0; + /* ok we're done here, process next file */ + file->name = filename; + file->type = filetype; } - fclose(asm_out); + if (result != EXIT_SUCCESS) + return result; - /* assemble assembler and create object file */ - char obj_tfile[1024]; - if(mode == CompileAssemble || mode == CompileAssembleLink) { - const char *obj_outfile; - if(mode == CompileAssemble) { - fclose(out); - obj_outfile = outname; - } else { - FILE *tempf - = make_temp_file(obj_tfile, sizeof(obj_tfile), "cc", ".o"); - fclose(tempf); - obj_outfile = obj_tfile; + /* link program file */ + if (mode == CompileAssembleLink) { + obstack_1grow(&ldflags_obst, '\0'); + const char *flags = obstack_finish(&ldflags_obst); + + /* construct commandline */ + obstack_printf(&file_obst, "%s", LINKER); + for (file_list_entry_t *entry = files; entry != NULL; + entry = entry->next) { + if (entry->type != FILETYPE_OBJECT) + continue; + + add_flag(&file_obst, "%s", entry->name); } - assemble(obj_outfile, asm_tempfile); - } + add_flag(&file_obst, "-o"); + add_flag(&file_obst, outname); + obstack_printf(&file_obst, "%s", flags); + obstack_1grow(&file_obst, '\0'); - /* link object file */ - if(mode == CompileAssembleLink) { - do_link(outname, obj_tfile); + char *commandline = obstack_finish(&file_obst); + + if (verbose) { + puts(commandline); + } + int err = system(commandline); + if (err != EXIT_SUCCESS) { + fprintf(stderr, "linker reported an error\n"); + exit(1); + } } obstack_free(&cppflags_obst, NULL); + obstack_free(&ldflags_obst, NULL); + obstack_free(&file_obst, NULL); + exit_mangle(); exit_ast2firm(); exit_parser(); exit_ast();