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