#include "driver/firm_cmdline.h"
#include "adt/error.h"
#include "write_fluffy.h"
+#include "write_caml.h"
#include "revision.h"
#include "warning.h"
#ifndef PREPROCESSOR
-#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int"
+#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=__SIZE_TYPE__ -m32"
#endif
#ifndef LINKER
/** true for strict language checking. */
bool strict_mode = false;
+/** use builtins for some libc functions */
+bool use_builtins = false;
+
/* to switch on printing of implicit casts */
extern bool print_implicit_casts;
-/* to switch on printing of srenthesis to indicate operator precedence */
+/* to switch on printing of parenthesis to indicate operator precedence */
extern bool print_parenthesis;
static int verbose;
static struct obstack cppflags_obst, ldflags_obst;
+typedef struct file_list_entry_t file_list_entry_t;
+
+struct file_list_entry_t {
+ const char *filename;
+ file_list_entry_t *next;
+};
+
#if defined(_DEBUG) || defined(FIRM_DEBUG)
/**
* Debug printf implementation.
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, "<builtin>");
+ parse();
+ }
+
+ lexer_open_stream(in, input_name);
+ parse();
+
+ translation_unit_t *unit = finish_parsing();
return unit;
}
} while(lexer_token.type != T_EOF);
}
-static FILE* preprocess(FILE* in, const char *fname)
+static void add_flag(struct obstack *obst, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+
+ char buf[4096];
+ vsnprintf(buf, sizeof(buf), format, ap);
+
+ /* escape stuff... */
+ obstack_1grow(obst, ' ');
+ 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;
+ }
+ }
+
+ va_end(ap);
+}
+
+static FILE *preprocess(FILE *in, const char *fname)
{
char buf[4096];
obstack_1grow(&cppflags_obst, '\0');
if(verbose) {
puts(buf);
}
- FILE* f = popen(buf, "r");
- if (f == NULL) {
+
+ FILE *f = popen(buf, "r");
+ if(f == NULL) {
fprintf(stderr, "invoking preprocessor failed\n");
exit(1);
}
typedef enum compile_mode_t {
BenchmarkParser,
+ PreprocessOnly,
ParseOnly,
Compile,
CompileDump,
CompileAssembleLink,
LexTest,
PrintAst,
- PrintFluffy
+ PrintFluffy,
+ PrintCaml,
+ Link,
+ Assemble,
+ AssemblePreprocessed,
} compile_mode_t;
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");
+ }
+ }
+}
+
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;
- int opt_level = 1;
+ const char *input = NULL;
+ const char *outname = NULL;
+ 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 *c_files = NULL;
+ file_list_entry_t *s_files = NULL;
+ file_list_entry_t *o_files = NULL;
+ struct obstack file_obst;
obstack_init(&cppflags_obst);
obstack_init(&ldflags_obst);
+ obstack_init(&file_obst);
#define GET_ARG_AFTER(def, args) \
def = &arg[sizeof(args)-1]; \
/* apply optimisation level */
switch(opt_level) {
case 0:
- firm_option("no-opt");
+ set_option("no-opt");
break;
case 1:
- firm_option("no-inline");
+ set_option("no-inline");
break;
default:
case 4:
- firm_option("strict-aliasing");
+ set_option("strict-aliasing");
/* fallthrough */
case 3:
- firm_option("cond-eval");
- firm_option("if-conv");
+ set_option("cond-eval");
+ set_option("if-conv");
+ use_builtins = true;
/* fallthrough */
case 2:
- firm_option("inline");
- firm_option("no-strength-red");
- firm_option("deconv");
- firm_be_option("omitfp");
+ set_option("inline");
+ set_option("deconv");
+ set_be_option("omitfp");
break;
}
bool argument_errors = false;
for(int i = 1; i < argc; ++i) {
const char *arg = argv[i];
- if(arg[0] == '-') {
+ 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') {
- firm_be_option("stabs=yes");
- firm_be_option("omitfp=no");
- firm_be_option("ia32-nooptcc=yes");
+ 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') {
} else if(option[0] == 'I') {
const char *opt;
GET_ARG_AFTER(opt, "-I");
- obstack_printf(&cppflags_obst, " -I%s", opt);
+ add_flag(&cppflags_obst, "-I%s", opt);
} else if(option[0] == 'D') {
const char *opt;
GET_ARG_AFTER(opt, "-D");
- obstack_printf(&cppflags_obst, " -D%s", opt);
+ add_flag(&cppflags_obst, "-D%s", opt);
} else if(option[0] == 'U') {
const char *opt;
GET_ARG_AFTER(opt, "-U");
- obstack_printf(&cppflags_obst, " -U%s", opt);
+ add_flag(&cppflags_obst, "-U%s", opt);
} else if(option[0] == 'l') {
const char *opt;
GET_ARG_AFTER(opt, "-l");
- obstack_printf(&ldflags_obst, " -l%s", opt);
+ add_flag(&ldflags_obst, "-l%s", opt);
} else if(option[0] == 'L') {
const char *opt;
GET_ARG_AFTER(opt, "-L");
- obstack_printf(&ldflags_obst, " -L%s", opt);
+ add_flag(&ldflags_obst, "-L%s", opt);
} else if(SINGLE_OPTION('v')) {
verbose = 1;
} else if(SINGLE_OPTION('w')) {
inhibit_all_warnings = true;
+ } else if(strcmp(option, "M") == 0) {
+ mode = PreprocessOnly;
+ add_flag(&cppflags_obst, "-M");
+ } else if(strcmp(option, "MMD") == 0
+ || strcmp(option, "MD") == 0
+ || strcmp(option, "MM") == 0) {
+ add_flag(&cppflags_obst, "-%s", option);
+ } else if(strcmp(option, "MT") == 0
+ || strcmp(option, "MQ") == 0
+ || strcmp(option, "MF") == 0) {
+ const char *opt;
+ GET_ARG_AFTER(opt, "-MT");
+ add_flag(&cppflags_obst, "-%s", option);
+ add_flag(&cppflags_obst, "%s", opt);
+ } else if(strcmp(option, "pipe") == 0) {
+ /* here for gcc compatibility */
} else if(option[0] == 'f') {
const char *opt;
GET_ARG_AFTER(opt, "-f");
if(strcmp(opt, "syntax-only") == 0) {
mode = ParseOnly;
} else if(strcmp(opt, "omit-frame-pointer") == 0) {
- firm_be_option("omitfp");
+ set_be_option("omitfp");
} else if(strcmp(opt, "no-omit-frame-pointer") == 0) {
- firm_be_option("omitfp=no");
+ set_be_option("omitfp=no");
+ } else if(strcmp(opt, "strength-reduce") == 0) {
+ firm_option("strength-red");
+ } else if(strcmp(opt, "fast-math") == 0
+ || strcmp(opt, "unroll-loops") == 0
+ || strcmp(opt, "expensive-optimizations") == 0
+ || strcmp(opt, "no-common") == 0
+ || strncmp(opt, "align-loops=", sizeof("align-loops=")-1) == 0
+ || strncmp(opt, "align-jumps=", sizeof("align-jumps=")-1) == 0
+ || strncmp(opt, "align-functions=", sizeof("align-functions=")-1) == 0) {
+ fprintf(stderr, "ignoring gcc option '-f %s'\n", opt);
} else {
int res = firm_option(opt);
if (res == 0) {
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) {
+ set_be_option("omitleaffp=1");
+ } else if(strcmp(opt, "no-omit-leaf-frame-pointer") == 0) {
+ set_be_option("omitleaffp=0");
} 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) {
+ set_be_option("gprof");
+ add_flag(&ldflags_obst, "-pg");
} else if(strcmp(option, "pedantic") == 0) {
fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
+ } else if(strcmp(option, "shared") == 0) {
+ add_flag(&ldflags_obst, "-shared");
} else if(strncmp(option, "std=", 4) == 0) {
- fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
+ if(strcmp(&option[4], "c99") == 0) {
+ c_mode = _C89|_C99;
+ } else if(strcmp(&option[4], "c89") == 0) {
+ c_mode = _C89;
+ } else if(strcmp(&option[4], "gnu99") == 0) {
+ c_mode = _C89|_C99|_GNUC;
+ } else if(strcmp(&option[4], "microsoft") == 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;
print_parenthesis = true;
} else if(strcmp(option, "print-fluffy") == 0) {
mode = PrintFluffy;
+ } else if(strcmp(option, "print-caml") == 0) {
+ mode = PrintCaml;
} else if(strcmp(option, "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");
+ print_cparser_version();
exit(EXIT_SUCCESS);
} else if(strcmp(option, "dump-function") == 0) {
++i;
argument_errors = true;
}
} else {
- if(input != NULL) {
- fprintf(stderr, "error: multiple input files specified\n");
- argument_errors = true;
+
+ file_list_entry_t *entry
+ = obstack_alloc(&file_obst, sizeof(entry[0]));
+ entry->filename = arg;
+
+ size_t len = strlen(arg);
+ if (len < 2) {
+ if (arg[0] == '-') {
+ /* exception: '-' as name reads C from stdin */
+ entry->next = c_files;
+ c_files = entry;
+ continue;
+ }
+ fprintf(stderr, "'%s': file format not recognized\n", input);
+ continue;
+ }
+
+ if (strcmp(arg+len-2, ".c") == 0
+ || strcmp(arg+len-2, ".h") == 0) {
+ entry->next = c_files;
+ c_files = entry;
+ } else if (strcmp(arg+len-2, ".s") == 0 || strcmp(arg+len-2, ".S") == 0) {
+ entry->next = s_files;
+ s_files = entry;
+ } else if (strcmp(arg+len-2, ".o") == 0) {
+ entry->next = o_files;
+ o_files = entry;
} else {
- input = arg;
+ fprintf(stderr, "'%s': file format not recognized\n", input);
}
}
}
+ if (c_files == NULL && s_files == NULL && o_files != NULL) {
+ mode = Link;
+ } else if (c_files != NULL && c_files->next == NULL) {
+ input = c_files->filename;
+ } else if (s_files != NULL && s_files->next == NULL) {
+ input = s_files->filename;
+ if(!strcmp(input + strlen(input) - 2, ".S"))
+ mode = AssemblePreprocessed;
+ else
+ mode = Assemble;
+ } else {
+ if (c_files == NULL && s_files == NULL) {
+ fprintf(stderr, "error: no input files specified\n");
+ } else {
+ fprintf(stderr, "error: multiple input files specified\n");
+ }
+ argument_errors = true;
+ }
+
/* we do the lowering in ast2firm */
firm_opt.lower_bitfields = FALSE;
- if(help_displayed) {
+ if (help_displayed) {
return !argument_errors;
}
- if(argument_errors) {
+ if (argument_errors) {
usage(argv[0]);
return 1;
}
case BenchmarkParser:
case PrintAst:
case PrintFluffy:
+ case PrintCaml:
case LexTest:
- if(outname == NULL)
- outname = "-";
+ case PreprocessOnly:
+ outname = "-";
break;
case ParseOnly:
break;
".vcg");
outname = outnamebuf;
break;
+ case Link:
case CompileAssembleLink:
+#ifdef _WIN32
+ /* 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
break;
}
}
+ if (mode == Assemble) {
+ assemble(outname, input);
+ return 0;
+ }
+
+ if (mode == Link) {
+ obstack_1grow(&ldflags_obst, '\0');
+ const char *flags = obstack_finish(&ldflags_obst);
+
+ obstack_printf(&file_obst, "%s", LINKER);
+
+ for (file_list_entry_t *entry = o_files; entry != NULL;
+ entry = entry->next) {
+ obstack_printf(&file_obst, " %s", entry->filename);
+ }
+
+ obstack_printf(&file_obst, " -o %s %s", outname, flags);
+ obstack_1grow(&file_obst, '\0');
+
+ char *buf = obstack_finish(&file_obst);
+
+ if(verbose) {
+ puts(buf);
+ }
+ int err = system(buf);
+ if(err != 0) {
+ fprintf(stderr, "linker reported an error\n");
+ exit(1);
+ }
+ return 0;
+ }
+
if(outname != NULL) {
if(strcmp(outname, "-") == 0) {
out = stdout;
}
FILE *preprocessed_in = preprocess(in, input);
+ if (mode == PreprocessOnly) {
+ copy_file(out, preprocessed_in);
+ return pclose(preprocessed_in);
+ }
+
+ if (mode == AssemblePreprocessed) {
+ FILE *asm_pp;
+ char asm_tempfile[1024];
+
+ /* write preprocessed assembler to a temporary file */
+ asm_pp = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "cc", ".s");
+ copy_file(asm_pp, preprocessed_in);
+ fclose(asm_pp);
+ int res = pclose(preprocessed_in);
+ if (res != 0)
+ return res;
+
+ /* and assemble it */
+ assemble(outname, asm_tempfile);
+ return 0;
+ }
+
translation_unit_t *const unit = do_parsing(preprocessed_in, input);
- int result = pclose(preprocessed_in);
- if(result != 0) {
- return result;
+ int res = pclose(preprocessed_in);
+ if (res != 0) {
+ return res;
}
- if(unit == NULL) {
+
+ if(error_count > 0) {
/* 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) {
+ result = EXIT_FAILURE;
+ } else if(warning_count > 0) {
fprintf(stderr, "%u warning(s)\n", warning_count);
}
if(mode == BenchmarkParser) {
- return 0;
+ return result;
}
+ /* prints the AST even if errors occurred */
if(mode == PrintAst) {
type_set_output(out);
ast_set_output(out);
print_ast(unit);
- return 0;
+ return result;
}
+
+ /* cannot handle other modes with errors */
+ if(result != EXIT_SUCCESS)
+ return result;
+
if(mode == PrintFluffy) {
- type_set_output(out);
- ast_set_output(out);
write_fluffy_decls(out, unit);
}
+ if (mode == PrintCaml) {
+ write_caml_decls(out, unit);
+ }
translation_unit_to_firm(unit);
obstack_free(&cppflags_obst, NULL);
obstack_free(&ldflags_obst, NULL);
+ obstack_free(&file_obst, NULL);
exit_ast2firm();
exit_parser();
projects / cparser / blobdiff