} while(lexer_token.type != T_EOF);
}
-static FILE *preprocess(FILE *in, const char *fname)
+static FILE *preprocess(FILE *in, const char *fname, bool to_stdout)
{
char buf[4096];
obstack_1grow(&cppflags_obst, '\0');
if(verbose) {
puts(buf);
}
- FILE *f = popen(buf, "r");
- if(f == NULL) {
- fprintf(stderr, "invoking preprocessor failed\n");
- exit(1);
+ if(to_stdout) {
+ int res = system(buf);
+ exit(res);
+ } else {
+ FILE *f = popen(buf, "r");
+ if(f == NULL) {
+ fprintf(stderr, "invoking preprocessor failed\n");
+ exit(1);
+ }
+ return f;
}
- return f;
}
static void do_link(const char *out, const char *in)
typedef enum compile_mode_t {
BenchmarkParser,
+ PreprocessOnly,
ParseOnly,
Compile,
CompileDump,
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");
+}
+
int main(int argc, char **argv)
{
initialize_firm();
compile_mode_t mode = CompileAssembleLink;
int opt_level = 1;
int result = EXIT_SUCCESS;
+ char cpu_arch[16] = "ia32";
obstack_init(&cppflags_obst);
obstack_init(&ldflags_obst);
firm_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') {
argument_errors = true;
} else if (res == -1) {
help_displayed = true;
+ } else {
+ if (strncmp(opt, "isa=", 4) == 0)
+ strncpy(cpu_arch, opt, sizeof(cpu_arch));
}
} else if(option[0] == 'W') {
set_warning_opt(&option[1]);
} else if(option[0] == 'm') {
+ /* -m options */
const char *opt;
+ char arch_opt[64];
+
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;
+ if(strncmp(opt, "arch=", 5) == 0) {
+ 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(strncmp(opt, "tune=", 5) == 0) {
+ 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(strncmp(opt, "cpu=", 4) == 0) {
+ 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(strncmp(opt, "fpmath=", 7) == 0) {
+ GET_ARG_AFTER(opt, "-mfpmath=");
+ if(strcmp(opt, "387") == 0)
+ opt = "x87";
+ else if(strcmp(opt, "sse") == 0)
+ 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(strncmp(opt, "preferred-stack-boundary=", 25) == 0) {
+ 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(strcmp(opt, "omit-leaf-frame-pointer") == 0) {
+ int res = firm_be_option("omitleaffp=1");
+ if (res == 0)
+ argument_errors = true;
+ } else if(strcmp(opt, "no-omit-leaf-frame-pointer") == 0) {
+ int res = firm_be_option("omitleaffp=0");
+ if (res == 0)
+ argument_errors = true;
} else {
- machine_size = (unsigned int)value;
+ 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 (option[0] == '\0') {
if(input != NULL) {
} else {
input = arg;
}
+ } else if(strcmp(option, "pg") == 0) {
+ firm_be_option("-b gprof");
+ obstack_printf(&ldflags_obst, " -pg");
} else if(strcmp(option, "pedantic") == 0) {
fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
} else if(strncmp(option, "std=", 4) == 0) {
c_mode = _C89|_C99|_MS;
} else
fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
+ } else if(strcmp(option, "version") == 0) {
+ print_cparser_version();
} else if (option[0] == '-') {
/* double dash option */
++option;
} else if(strcmp(option, "print-fluffy") == 0) {
mode = PrintFluffy;
} else if(strcmp(option, "version") == 0) {
- 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");
+ print_cparser_version();
exit(EXIT_SUCCESS);
} else if(strcmp(option, "dump-function") == 0) {
++i;
if(outname == NULL)
outname = "-";
break;
+ case PreprocessOnly:
+ break;
case ParseOnly:
break;
case Compile:
break;
case CompileAssembleLink:
#ifdef _WIN32
- outname = "a.exe";
+ /* Windows compiler typically derive the output name from
+ the first source file */
+ get_output_name(outnamebuf, sizeof(outnamebuf), input, ".exe");
+ outname = outnamebuf;
#else
outname = "a.out";
#endif
return 0;
}
- FILE *preprocessed_in = preprocess(in, input);
+ FILE *preprocessed_in = preprocess(in, input, mode == PreprocessOnly);
translation_unit_t *const unit = do_parsing(preprocessed_in, input);
int res = pclose(preprocessed_in);
if(res != 0) {
projects / cparser / blobdiff