nsz Git - cparser/blob - main.c

   1 #include <config.h>
   2
   3 #define _GNU_SOURCE
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdbool.h>
   8 #include <errno.h>
   9 #include <string.h>
  10 #include <assert.h>
  11
  12 #ifdef _WIN32
  13
  14 #include <fcntl.h>
  15 #include <io.h>
  16
  17 /* no eXecute on Win32 */
  18 #define X_OK 0
  19 #define W_OK 2
  20 #define R_OK 4
  21
  22 #define O_RDWR          _O_RDWR
  23 #define O_CREAT         _O_CREAT
  24 #define O_EXCL          _O_EXCL
  25 #define O_BINARY        _O_BINARY
  26
  27 /* remap some names, we are not in the POSIX world */
  28 #define access(fname, mode)      _access(fname, mode)
  29 #define mktemp(tmpl)             _mktemp(tmpl)
  30 #define open(fname, oflag, mode) _open(fname, oflag, mode)
  31 #define fdopen(fd, mode)         _fdopen(fd, mode)
  32 #define popen(cmd, mode)         _popen(cmd, mode)
  33 #define pclose(file)             _pclose(file)
  34
  35 #else
  36 #include <unistd.h>
  37 #define HAVE_MKSTEMP
  38 #endif
  39
  40 #ifndef WITH_LIBCORE
  41 #define WITH_LIBCORE
  42 #endif
  43
  44 #include <libfirm/firm.h>
  45 #include <libfirm/be.h>
  46
  47 #include "lexer.h"
  48 #include "token_t.h"
  49 #include "types.h"
  50 #include "type_hash.h"
  51 #include "parser.h"
  52 #include "ast2firm.h"
  53 #include "diagnostic.h"
  54 #include "lang_features.h"
  55 #include "driver/firm_opt.h"
  56 #include "driver/firm_cmdline.h"
  57 #include "adt/error.h"
  58 #include "write_fluffy.h"
  59 #include "revision.h"
  60 #include "warning.h"
  61
  62 #ifndef PREPROCESSOR
  63 #define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int"
  64 #endif
  65
  66 #ifndef LINKER
  67 #define LINKER    "gcc -m32"
  68 #endif
  69
  70 #ifndef ASSEMBLER
  71 #define ASSEMBLER "as --32"
  72 #endif
  73
  74 /** The current c mode/dialect. */
  75 unsigned int c_mode = _C89|_C99|_GNUC;
  76
  77 /** The 'machine size', 16, 32 or 64 bit, 32bit is the default. */
  78 unsigned int machine_size = 32;
  79
  80 /** true if the char type is signed. */
  81 bool char_is_signed = true;
  82
  83 /** true for strict language checking. */
  84 bool strict_mode = false;
  85
  86 /* to switch on printing of implicit casts */
  87 extern bool print_implicit_casts;
  88
  89 /* to switch on printing of  srenthesis to indicate operator precedence */
  90 extern bool print_parenthesis;
  91
  92 static int            verbose;
  93 static struct obstack cppflags_obst, ldflags_obst;
  94
  95 #if defined(_DEBUG) || defined(FIRM_DEBUG)
  96 /**
  97  * Debug printf implementation.
  98  *
  99  * @param fmt  printf style format parameter
 100  */
 101 void dbg_printf(const char *fmt, ...)
 102 {
 103         va_list list;
 104
 105         if (firm_dump.debug_print) {
 106                 va_start(list, fmt);
 107                 vprintf(fmt, list);
 108                 va_end(list);
 109         }  /* if */
 110 }
 111 #endif /* defined(_DEBUG) || defined(FIRM_DEBUG) */
 112
 113 static void initialize_firm(void)
 114 {
 115         firm_early_init();
 116
 117         dump_consts_local(1);
 118         dump_keepalive_edges(1);
 119 }
 120
 121 static void get_output_name(char *buf, size_t buflen, const char *inputname,
 122                             const char *newext)
 123 {
 124         size_t last_dot = 0xffffffff;
 125         size_t i = 0;
 126
 127         if(inputname == NULL) {
 128                 snprintf(buf, buflen, "a%s", newext);
 129                 return;
 130         }
 131
 132         for(const char *c = inputname; *c != 0; ++c) {
 133                 if(*c == '.')
 134                         last_dot = i;
 135                 ++i;
 136         }
 137         if(last_dot == 0xffffffff)
 138                 last_dot = i;
 139
 140         if(last_dot >= buflen)
 141                 panic("filename too long");
 142         memcpy(buf, inputname, last_dot);
 143
 144         size_t extlen = strlen(newext) + 1;
 145         if(extlen + last_dot >= buflen)
 146                 panic("filename too long");
 147         memcpy(buf+last_dot, newext, extlen);
 148 }
 149
 150 static translation_unit_t *do_parsing(FILE *const in, const char *const input)
 151 {
 152         lexer_open_stream(in, input);
 153         translation_unit_t *unit = parse();
 154         return unit;
 155 }
 156
 157 static void lextest(FILE *in, const char *fname)
 158 {
 159         lexer_open_stream(in, fname);
 160
 161         do {
 162                 lexer_next_preprocessing_token();
 163                 print_token(stdout, &lexer_token);
 164                 puts("");
 165         } while(lexer_token.type != T_EOF);
 166 }
 167
 168 static FILE* preprocess(FILE* in, const char *fname)
 169 {
 170         char buf[4096];
 171         const char *flags = obstack_finish(&cppflags_obst);
 172
 173         if(in != stdin) {
 174                 snprintf(buf, sizeof(buf), PREPROCESSOR " %s %s", flags, fname);
 175         } else {
 176                 /* read from stdin */
 177                 snprintf(buf, sizeof(buf), PREPROCESSOR " %s -", flags);
 178         }
 179
 180         if(verbose) {
 181                 puts(buf);
 182         }
 183         FILE* f = popen(buf, "r");
 184         if (f == NULL) {
 185                 fprintf(stderr, "invoking preprocessor failed\n");
 186                 exit(1);
 187         }
 188         return f;
 189 }
 190
 191 static void do_link(const char *out, const char *in)
 192 {
 193         char buf[4096];
 194         const char *flags = obstack_finish(&ldflags_obst);
 195
 196         snprintf(buf, sizeof(buf), LINKER " %s -o %s %s", flags, out, in);
 197         if(verbose) {
 198                 puts(buf);
 199         }
 200         int err = system(buf);
 201         if(err != 0) {
 202                 fprintf(stderr, "linker reported an error\n");
 203                 exit(1);
 204         }
 205 }
 206
 207 static void assemble(const char *out, const char *in)
 208 {
 209         char buf[4096];
 210
 211         snprintf(buf, sizeof(buf), "%s %s -o %s", ASSEMBLER, in, out);
 212         if(verbose) {
 213                 puts(buf);
 214         }
 215
 216         int err = system(buf);
 217         if(err != 0) {
 218                 fprintf(stderr, "assembler reported an error\n");
 219                 exit(1);
 220         }
 221 }
 222
 223 static const char *try_dir(const char *dir)
 224 {
 225         if(dir == NULL)
 226                 return dir;
 227         if(access(dir, R_OK | W_OK | X_OK) == 0)
 228                 return dir;
 229         return NULL;
 230 }
 231
 232 static const char *get_tempdir(void)
 233 {
 234         static const char *tmpdir = NULL;
 235
 236         if(tmpdir != NULL)
 237                 return tmpdir;
 238
 239         if(tmpdir == NULL)
 240                 tmpdir = try_dir(getenv("TMPDIR"));
 241         if(tmpdir == NULL)
 242                 tmpdir = try_dir(getenv("TMP"));
 243         if(tmpdir == NULL)
 244                 tmpdir = try_dir(getenv("TEMP"));
 245
 246 #ifdef P_tmpdir
 247         if(tmpdir == NULL)
 248                 tmpdir = try_dir(P_tmpdir);
 249 #endif
 250
 251         if(tmpdir == NULL)
 252                 tmpdir = try_dir("/var/tmp");
 253         if(tmpdir == NULL)
 254                 tmpdir = try_dir("/usr/tmp");
 255         if(tmpdir == NULL)
 256                 tmpdir = try_dir("/tmp");
 257
 258         if(tmpdir == NULL)
 259                 tmpdir = ".";
 260
 261         return tmpdir;
 262 }
 263
 264 #ifndef HAVE_MKSTEMP
 265 /* cheap and nasty mkstemp replacement */
 266 static int mkstemp(char *templ)
 267 {
 268         mktemp(templ);
 269         return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
 270 }
 271 #endif
 272
 273 /**
 274  * an own version of tmpnam, which: writes in a buffer, appends a user specified
 275  * suffix, emits no warnings during linking (like glibc/gnu ld do for tmpnam)...
 276  */
 277 static FILE *make_temp_file(char *buffer, size_t buflen,
 278                             const char *prefix, const char *suffix)
 279 {
 280         const char *tempdir = get_tempdir();
 281
 282         /* oh well... mkstemp doesn't accept a suffix after XXXXXX... */
 283         (void) suffix;
 284         suffix = "";
 285
 286         snprintf(buffer, buflen, "%s/%sXXXXXX%s", tempdir, prefix, suffix);
 287
 288         int fd = mkstemp(buffer);
 289         if(fd == -1) {
 290                 fprintf(stderr, "couldn't create temporary file: %s\n",
 291                         strerror(errno));
 292                 exit(1);
 293         }
 294         FILE *out = fdopen(fd, "w");
 295         if(out == NULL) {
 296                 fprintf(stderr, "couldn't create temporary file FILE*\n");
 297                 exit(1);
 298         }
 299
 300         return out;
 301 }
 302
 303 /**
 304  * Do the necessary lowering for compound parameters.
 305  */
 306 void lower_compound_params(void)
 307 {
 308         lower_params_t params;
 309
 310         params.def_ptr_alignment    = 4;
 311         params.flags                = LF_COMPOUND_RETURN | LF_RETURN_HIDDEN;
 312         params.hidden_params        = ADD_HIDDEN_ALWAYS_IN_FRONT;
 313         params.find_pointer_type    = NULL;
 314         params.ret_compound_in_regs = NULL;
 315         lower_calls_with_compounds(&params);
 316 }
 317
 318 typedef enum compile_mode_t {
 319         BenchmarkParser,
 320         ParseOnly,
 321         Compile,
 322         CompileDump,
 323         CompileAssemble,
 324         CompileAssembleLink,
 325         LexTest,
 326         PrintAst,
 327         PrintFluffy
 328 } compile_mode_t;
 329
 330 static void usage(const char *argv0)
 331 {
 332         fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0);
 333 }
 334
 335 int main(int argc, char **argv)
 336 {
 337         initialize_firm();
 338
 339         const char     *input        = NULL;
 340         const char     *outname      = NULL;
 341         const char     *dumpfunction = NULL;
 342         compile_mode_t  mode         = CompileAssembleLink;
 343
 344         obstack_init(&cppflags_obst);
 345         obstack_init(&ldflags_obst);
 346
 347 #define GET_ARG_AFTER(def, args)                                             \
 348         def = &arg[sizeof(args)-1];                                              \
 349         if(def[0] == '\0') {                                                     \
 350                 ++i;                                                                 \
 351                 if(i >= argc) {                                                      \
 352                         fprintf(stderr, "error: expected argument after '" args "'\n");  \
 353                         argument_errors = true;                                          \
 354                         break;                                                           \
 355                 }                                                                    \
 356                 def = argv[i];                                                       \
 357                 if(def[0] == '-' && def[1] != '\0') {                                \
 358                         fprintf(stderr, "error: expected argument after '" args "'\n");  \
 359                         argument_errors = true;                                          \
 360                         continue;                                                        \
 361                 }                                                                    \
 362         }
 363
 364 #define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
 365
 366         bool help_displayed  = false;
 367         bool argument_errors = false;
 368         for(int i = 1; i < argc; ++i) {
 369                 const char *arg = argv[i];
 370                 if(arg[0] == '-') {
 371                         /* an option */
 372                         const char *option = &arg[1];
 373                         if(option[0] == 'o') {
 374                                 GET_ARG_AFTER(outname, "-o");
 375                         } else if(SINGLE_OPTION('c')) {
 376                                 mode = CompileAssemble;
 377                         } else if(SINGLE_OPTION('S')) {
 378                                 mode = Compile;
 379                         } else if(option[0] == 'I') {
 380                                 const char *opt;
 381                                 GET_ARG_AFTER(opt, "-I");
 382                                 obstack_printf(&cppflags_obst, " -I%s", opt);
 383                         } else if(option[0] == 'D') {
 384                                 const char *opt;
 385                                 GET_ARG_AFTER(opt, "-D");
 386                                 obstack_printf(&cppflags_obst, " -D%s", opt);
 387                         } else if(option[0] == 'U') {
 388                                 const char *opt;
 389                                 GET_ARG_AFTER(opt, "-U");
 390                                 obstack_printf(&cppflags_obst, " -U%s", opt);
 391                         } else if(option[0] == 'l') {
 392                                 const char *opt;
 393                                 GET_ARG_AFTER(opt, "-l");
 394                                 obstack_printf(&ldflags_obst, " -l%s", opt);
 395                         } else if(option[0] == 'L') {
 396                                 const char *opt;
 397                                 GET_ARG_AFTER(opt, "-L");
 398                                 obstack_printf(&ldflags_obst, " -L%s", opt);
 399                         } else if(SINGLE_OPTION('v')) {
 400                                 verbose = 1;
 401                         } else if(SINGLE_OPTION('w')) {
 402                                 inhibit_all_warnings = true;
 403                         } else if(option[0] == 'f') {
 404                                 const char *opt;
 405                                 GET_ARG_AFTER(opt, "-f");
 406
 407                                 if(strcmp(opt, "syntax-only") == 0) {
 408                                         mode = ParseOnly;
 409                                 } else if(strcmp(opt, "omit-frame-pointer") == 0) {
 410                                         firm_be_option("omitfp");
 411                                 } else if(strcmp(opt, "no-omit-frame-pointer") == 0) {
 412                                         firm_be_option("omitfp=no");
 413                                 } else {
 414                                         int res = firm_option(opt);
 415                                         if (res == 0) {
 416                                                 fprintf(stderr, "error: unknown Firm option '-f %s'\n",
 417                                                         opt);
 418                                                 argument_errors = true;
 419                                                 continue;
 420                                         } else if (res == -1) {
 421                                                 help_displayed = true;
 422                                         }
 423                                 }
 424                         } else if(option[0] == 'b') {
 425                                 const char *opt;
 426                                 GET_ARG_AFTER(opt, "-b");
 427                                 int res = firm_be_option(opt);
 428                                 if (res == 0) {
 429                                         fprintf(stderr, "error: unknown Firm backend option '-b %s'\n",
 430                                                 opt);
 431                                         argument_errors = true;
 432                                 } else if (res == -1) {
 433                                         help_displayed = true;
 434                                 }
 435                         } else if(option[0] == 'W') {
 436                                 set_warning_opt(&option[1]);
 437                         } else if(option[0] == 'm') {
 438                                 const char *opt;
 439                                 GET_ARG_AFTER(opt, "-m");
 440                                 char *endptr;
 441                                 long int value = strtol(opt, &endptr, 10);
 442                                 if (*endptr != '\0') {
 443                                         fprintf(stderr, "error: wrong option '-m %s'\n",  opt);
 444                                         argument_errors = true;
 445                                 }
 446                                 if (value != 16 && value != 32 && value != 64) {
 447                                         fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
 448                                         argument_errors = true;
 449                                 } else {
 450                                         machine_size = (unsigned int)value;
 451                                 }
 452                         } else if (option[0] == '\0') {
 453                                 if(input != NULL) {
 454                                         fprintf(stderr, "error: multiple input files specified\n");
 455                                         argument_errors = true;
 456                                 } else {
 457                                         input = arg;
 458                                 }
 459                         } else if(strcmp(option, "pedantic") == 0) {
 460                                 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
 461                         } else if(option[0] == 'O' ||
 462                                   option[0] == 'g' ||
 463                                   strncmp(option, "std=", 4) == 0) {
 464                                 fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
 465                         } else if (option[0] == '-') {
 466                                 /* double dash option */
 467                                 ++option;
 468                                 if(strcmp(option, "gcc") == 0) {
 469                                         c_mode |= _GNUC;
 470                                 } else if(strcmp(option, "no-gcc") == 0) {
 471                                         c_mode &= ~_GNUC;
 472                                 } else if(strcmp(option, "ms") == 0) {
 473                                         c_mode |= _MS;
 474                                 } else if(strcmp(option, "no-ms") == 0) {
 475                                         c_mode &= ~_MS;
 476                                 } else if(strcmp(option, "signed-chars") == 0) {
 477                                         char_is_signed = true;
 478                                 } else if(strcmp(option, "unsigned-chars") == 0) {
 479                                         char_is_signed = false;
 480                                 } else if(strcmp(option, "strict") == 0) {
 481                                         strict_mode = true;
 482                                 } else if(strcmp(option, "lextest") == 0) {
 483                                         mode = LexTest;
 484                                 } else if(strcmp(option, "benchmark") == 0) {
 485                                         mode = BenchmarkParser;
 486                                 } else if(strcmp(option, "print-ast") == 0) {
 487                                         mode = PrintAst;
 488                                 } else if(strcmp(option, "print-implicit-cast") == 0) {
 489                                         print_implicit_casts = true;
 490                                 } else if(strcmp(option, "print-parenthesis") == 0) {
 491                                         print_parenthesis = true;
 492                                 } else if(strcmp(option, "print-fluffy") == 0) {
 493                                         mode = PrintFluffy;
 494                                 } else if(strcmp(option, "version") == 0) {
 495                                         firm_version_t ver;
 496                                         firm_get_version(&ver);
 497                                         printf("cparser (%d.%d %s) using libFirm (%u.%u", 0, 1, cparser_REVISION, ver.major, ver.minor);
 498                                         if(ver.revision[0] != 0) {
 499                                                 putchar(' ');
 500                                                 fputs(ver.revision, stdout);
 501                                         }
 502                                         if(ver.build[0] != 0) {
 503                                                 putchar(' ');
 504                                                 fputs(ver.build, stdout);
 505                                         }
 506                                         puts(")\n");
 507                                         exit(EXIT_SUCCESS);
 508                                 } else if(strcmp(option, "dump-function") == 0) {
 509                                         ++i;
 510                                         if(i >= argc) {
 511                                                 fprintf(stderr, "error: "
 512                                                         "expected argument after '--dump-function'\n");
 513                                                 argument_errors = true;
 514                                                 break;
 515                                         }
 516                                         dumpfunction = argv[i];
 517                                         mode         = CompileDump;
 518                                 } else {
 519                                         fprintf(stderr, "error: unknown argument '%s'\n", arg);
 520                                         argument_errors = true;
 521                                 }
 522                         } else {
 523                                 fprintf(stderr, "error: unknown argument '%s'\n", arg);
 524                                 argument_errors = true;
 525                         }
 526                 } else {
 527                         if(input != NULL) {
 528                                 fprintf(stderr, "error: multiple input files specified\n");
 529                                 argument_errors = true;
 530                         } else {
 531                                 input = arg;
 532                         }
 533                 }
 534         }
 535
 536         /* we do the lowering in ast2firm */
 537         firm_opt.lower_bitfields = FALSE;
 538
 539         if(help_displayed) {
 540                 return !argument_errors;
 541         }
 542         if(argument_errors) {
 543                 usage(argv[0]);
 544                 return 1;
 545         }
 546
 547         gen_firm_init();
 548         init_symbol_table();
 549         init_tokens();
 550         init_types();
 551         init_typehash();
 552         init_basic_types();
 553         init_lexer();
 554         init_ast();
 555         init_parser();
 556         init_ast2firm();
 557
 558         FILE *out = NULL;
 559         char  outnamebuf[4096];
 560         if(outname == NULL) {
 561                 switch(mode) {
 562                 case BenchmarkParser:
 563                 case PrintAst:
 564                 case PrintFluffy:
 565                 case LexTest:
 566                         if(outname == NULL)
 567                                 outname = "-";
 568                         break;
 569                 case ParseOnly:
 570                         break;
 571                 case Compile:
 572                         get_output_name(outnamebuf, sizeof(outnamebuf), input, ".s");
 573                         outname = outnamebuf;
 574                         break;
 575                 case CompileAssemble:
 576                         get_output_name(outnamebuf, sizeof(outnamebuf), input, ".o");
 577                         outname = outnamebuf;
 578                         break;
 579                 case CompileDump:
 580                         get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
 581                                         ".vcg");
 582                         outname = outnamebuf;
 583                         break;
 584                 case CompileAssembleLink:
 585                         outname = "a.out";
 586                         break;
 587                 }
 588         }
 589
 590         if(outname != NULL) {
 591                 if(strcmp(outname, "-") == 0) {
 592                         out = stdout;
 593                 } else {
 594                         out = fopen(outname, "w");
 595                         if(out == NULL) {
 596                                 fprintf(stderr, "Couldn't open '%s' for writing: %s\n", outname,
 597                                         strerror(errno));
 598                                 return 1;
 599                         }
 600                 }
 601         }
 602
 603         FILE *in;
 604         if(input == NULL) {
 605                 fprintf(stderr, "%s: no input files\n", argv[0]);
 606                 return 1;
 607         } else if(strcmp(input, "-") == 0) {
 608                 in    = stdin;
 609                 input = "<stdin>";
 610         } else {
 611                 in = fopen(input, "r");
 612                 if(in == NULL) {
 613                         fprintf(stderr, "Couldn't open '%s': %s\n", input, strerror(errno));
 614                         return 1;
 615                 }
 616         }
 617
 618         if(mode == LexTest) {
 619                 lextest(in, input);
 620                 fclose(in);
 621                 return 0;
 622         }
 623
 624         FILE *preprocessed_in = preprocess(in, input);
 625         translation_unit_t *const unit = do_parsing(preprocessed_in, input);
 626         int result = pclose(preprocessed_in);
 627         if(result != 0) {
 628                 return result;
 629         }
 630         if(unit == NULL) {
 631                 /* parsing failed because of errors */
 632                 fprintf(stderr, "%u error(s), %u warning(s)\n", error_count, warning_count);
 633                 return EXIT_FAILURE;
 634         }
 635         if (warning_count > 0) {
 636                 fprintf(stderr, "%u warning(s)\n", warning_count);
 637         }
 638
 639         if(mode == BenchmarkParser) {
 640                 return 0;
 641         }
 642
 643         if(mode == PrintAst) {
 644                 type_set_output(out);
 645                 ast_set_output(out);
 646                 print_ast(unit);
 647                 return 0;
 648         }
 649         if(mode == PrintFluffy) {
 650                 type_set_output(out);
 651                 ast_set_output(out);
 652                 write_fluffy_decls(out, unit);
 653         }
 654
 655         translation_unit_to_firm(unit);
 656
 657         if(mode == ParseOnly) {
 658                 return 0;
 659         }
 660
 661         FILE *asm_out;
 662         char  asm_tempfile[1024];
 663         if(mode == CompileDump) {
 664                 asm_out = NULL;
 665                 firm_be_opt.selection = BE_NONE;
 666         } else if(mode == Compile) {
 667                 asm_out = out;
 668         } else {
 669                 asm_out
 670                         = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "cc", ".s");
 671         }
 672         gen_firm_finish(asm_out, input, /*c_mode=*/1, /*firm_const_exists=*/0);
 673
 674         if(mode == CompileDump) {
 675                 /* find irg */
 676                 ident    *id     = new_id_from_str(dumpfunction);
 677                 ir_graph *irg    = NULL;
 678                 int       n_irgs = get_irp_n_irgs();
 679                 for(int i = 0; i < n_irgs; ++i) {
 680                         ir_graph *tirg   = get_irp_irg(i);
 681                         ident    *irg_id = get_entity_ident(get_irg_entity(tirg));
 682                         if(irg_id == id) {
 683                                 irg = tirg;
 684                                 break;
 685                         }
 686                 }
 687
 688                 if(irg == NULL) {
 689                         fprintf(stderr, "No graph for function '%s' found\n", dumpfunction);
 690                         return 1;
 691                 }
 692
 693                 dump_ir_block_graph_file(irg, out);
 694                 fclose(out);
 695                 return 0;
 696         }
 697
 698         fclose(asm_out);
 699
 700         /* assemble assembler and create object file */
 701         char obj_tfile[1024];
 702         if(mode == CompileAssemble || mode == CompileAssembleLink) {
 703                 const char *obj_outfile;
 704                 if(mode == CompileAssemble) {
 705                         fclose(out);
 706                         obj_outfile = outname;
 707                 } else {
 708                         FILE *tempf
 709                                 = make_temp_file(obj_tfile, sizeof(obj_tfile), "cc", ".o");
 710                         fclose(tempf);
 711                         obj_outfile = obj_tfile;
 712                 }
 713
 714                 assemble(obj_outfile, asm_tempfile);
 715         }
 716
 717         /* link object file */
 718         if(mode == CompileAssembleLink) {
 719                 do_link(outname, obj_tfile);
 720         }
 721
 722         obstack_free(&cppflags_obst, NULL);
 723         obstack_free(&ldflags_obst, NULL);
 724
 725         exit_ast2firm();
 726         exit_parser();
 727         exit_ast();
 728         exit_lexer();
 729         exit_typehash();
 730         exit_types();
 731         exit_tokens();
 732         exit_symbol_table();
 733         return 0;
 734 }