+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * 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 <config.h>
#define _GNU_SOURCE
#include <string.h>
#include <assert.h>
+#ifdef _WIN32
+
+#include <fcntl.h>
+#include <io.h>
+
+/* no eXecute on Win32 */
+#define X_OK 0
+#define W_OK 2
+#define R_OK 4
+
+#define O_RDWR _O_RDWR
+#define O_CREAT _O_CREAT
+#define O_EXCL _O_EXCL
+#define O_BINARY _O_BINARY
+
+/* remap some names, we are not in the POSIX world */
+#define access(fname, mode) _access(fname, mode)
+#define mktemp(tmpl) _mktemp(tmpl)
+#define open(fname, oflag, mode) _open(fname, oflag, mode)
+#define fdopen(fd, mode) _fdopen(fd, mode)
+#define popen(cmd, mode) _popen(cmd, mode)
+#define pclose(file) _pclose(file)
+
+#else
+#include <unistd.h>
+#define HAVE_MKSTEMP
+#endif
+
#ifndef WITH_LIBCORE
#define WITH_LIBCORE
#endif
#include "lexer.h"
#include "token_t.h"
+#include "types.h"
#include "type_hash.h"
#include "parser.h"
#include "ast2firm.h"
+#include "diagnostic.h"
+#include "lang_features.h"
+#include "driver/firm_opt.h"
+#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"
+#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int -U__SIZE_TYPE__ -D__SIZE_TYPE__=__SIZE_TYPE__ -m32 -U__STRICT_ANSI__"
#endif
#ifndef LINKER
-#define LINKER "gcc"
+#define LINKER "gcc -m32"
#endif
-#ifdef _WIN32
-/* remap some names */
-#define popen(cmd, mode) _popen(cmd, mode)
-#define pclose(file) _pclose(file)
-#endif /* _WIN32 */
+#ifndef ASSEMBLER
+#define ASSEMBLER "as --32"
+#endif
-static int verbose;
-static bool do_dump;
+/** The current c mode/dialect. */
+unsigned int c_mode = _C89|_C99|_GNUC;
-static const ir_settings_if_conv_t *if_conv_info = NULL;
-static const backend_params *be_params = NULL;
+/** The 'machine size', 16, 32 or 64 bit, 32bit is the default. */
+unsigned int machine_size = 32;
-static void initialize_firm(void)
+/** true if the char type is signed. */
+bool char_is_signed = true;
+
+/** 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 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;
+
+typedef enum filetype_t {
+ FILETYPE_AUTODETECT,
+ FILETYPE_C,
+ FILETYPE_PREPROCESSED_C,
+ 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;
+};
+
+#if defined(_DEBUG) || defined(FIRM_DEBUG)
+/**
+ * Debug printf implementation.
+ *
+ * @param fmt printf style format parameter
+ */
+void dbg_printf(const char *fmt, ...)
{
- be_opt_register();
- firm_init_options(NULL, 0, NULL);
-
- firm_parameter_t params;
- memset(¶ms, 0, sizeof(params));
-
- params.size = sizeof(params);
- params.enable_statistics = 0;
- params.initialize_local_func = uninitialized_local_var;
- params.cc_mask = 0;
- params.builtin_dbg = NULL;
-
- /* initialize backend */
- be_params = be_init();
- ir_set_debug_retrieve(retrieve_dbg);
- params.arch_op_settings = be_params->arch_op_settings;
- if_conv_info = be_params->if_conv_info;
-
- (void) if_conv_info; /* avoid unused warning */
-
- /* intialize firm itself */
- init_firm(¶ms);
- dbg_init(NULL, NULL, dbg_snprint);
-
- set_opt_constant_folding(1);
- set_opt_unreachable_code(1);
- set_opt_control_flow_straightening(1);
- set_opt_control_flow_weak_simplification(1);
- set_opt_control_flow_strong_simplification(1);
- set_opt_dyn_meth_dispatch(1);
- set_opt_normalize(1);
- set_opt_precise_exc_context(0);
- set_opt_strength_red(0);
- set_opt_fragile_ops(0);
- set_opt_optimize_class_casts(0);
- set_opt_suppress_downcast_optimization(0);
- set_opt_remove_confirm(1);
- set_opt_scalar_replacement(1);
- set_opt_ldst_only_null_ptr_exceptions(1);
- set_opt_alias_analysis(1);
+ va_list list;
- dump_consts_local(1);
- dump_keepalive_edges(1);
+ if (firm_dump.debug_print) {
+ va_start(list, fmt);
+ vprintf(fmt, list);
+ va_end(list);
+ } /* if */
}
+#endif /* defined(_DEBUG) || defined(FIRM_DEBUG) */
-static void dump(ir_graph *irg, const char *suffix)
+static void initialize_firm(void)
{
- if(do_dump) {
- dump_ir_block_graph(irg, suffix);
- }
+ firm_early_init();
+
+ dump_consts_local(1);
+ dump_keepalive_edges(1);
}
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) {
+ snprintf(buf, buflen, "a%s", newext);
+ return;
+ }
+
for(const char *c = inputname; *c != 0; ++c) {
if(*c == '.')
last_dot = i;
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;
}
-static void lextest(const char *fname)
+static void lextest(FILE *in, const char *fname)
{
- FILE *in = fopen(fname, "r");
- if(in == NULL) {
- fprintf(stderr, "Couldn't open '%s': %s\n", fname, strerror(errno));
- exit(1);
- }
-
lexer_open_stream(in, fname);
do {
print_token(stdout, &lexer_token);
puts("");
} while(lexer_token.type != T_EOF);
-
- fclose(in);
}
-static void backend(const char *inputname, const char *outname)
+static void add_flag(struct obstack *obst, const char *format, ...)
{
- FILE *out = fopen(outname, "w");
- if(out == NULL) {
- fprintf(stderr, "couldn't open '%s' for writing: %s\n", outname,
- strerror(errno));
- exit(1);
- }
-
- be_main(out, inputname);
+ va_list ap;
+ va_start(ap, format);
- fclose(out);
-}
+ 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;
+ }
+ }
-static void emit(const char *input_name, const char *out_name)
-{
- backend(input_name, out_name);
+ va_end(ap);
}
-static FILE* preprocess(const char *in)
+static FILE *preprocess(const char *fname)
{
char buf[4096];
+ obstack_1grow(&cppflags_obst, '\0');
+ const char *flags = obstack_finish(&cppflags_obst);
- snprintf(buf, sizeof(buf), PREPROCESSOR " %s", in);
-
+ snprintf(buf, sizeof(buf), PREPROCESSOR " %s %s", flags, fname);
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);
}
return f;
}
-static void link(const char *in, const char *out)
+static void assemble(const char *out, const char *in)
{
char buf[4096];
- snprintf(buf, sizeof(buf), "%s %s -o %s", LINKER, in, out);
+ snprintf(buf, sizeof(buf), "%s %s -o %s", ASSEMBLER, in, out);
if(verbose) {
puts(buf);
}
+
int err = system(buf);
if(err != 0) {
- fprintf(stderr, "linker reported an error\n");
+ fprintf(stderr, "assembler reported an error\n");
exit(1);
}
}
-static void assemble(const char *in, const char *out)
+static const char *try_dir(const char *dir)
{
- char buf[4096];
+ if(dir == NULL)
+ return dir;
+ if(access(dir, R_OK | W_OK | X_OK) == 0)
+ return dir;
+ return NULL;
+}
- snprintf(buf, sizeof(buf), "%s %s -c -o %s", LINKER, in, out);
- if(verbose) {
- puts(buf);
- }
- int err = system(buf);
- if(err != 0) {
- fprintf(stderr, "assembler reported an error\n");
- exit(1);
- }
+static const char *get_tempdir(void)
+{
+ static const char *tmpdir = NULL;
+
+ if(tmpdir != NULL)
+ return tmpdir;
+
+ if(tmpdir == NULL)
+ tmpdir = try_dir(getenv("TMPDIR"));
+ if(tmpdir == NULL)
+ tmpdir = try_dir(getenv("TMP"));
+ if(tmpdir == NULL)
+ tmpdir = try_dir(getenv("TEMP"));
+
+#ifdef P_tmpdir
+ if(tmpdir == NULL)
+ tmpdir = try_dir(P_tmpdir);
+#endif
+
+ if(tmpdir == NULL)
+ tmpdir = try_dir("/var/tmp");
+ if(tmpdir == NULL)
+ tmpdir = try_dir("/usr/tmp");
+ if(tmpdir == NULL)
+ tmpdir = try_dir("/tmp");
+
+ if(tmpdir == NULL)
+ tmpdir = ".";
+
+ return tmpdir;
+}
+
+#ifndef HAVE_MKSTEMP
+/* cheap and nasty mkstemp replacement */
+static int mkstemp(char *templ)
+{
+ mktemp(templ);
+ return open(templ, O_RDWR|O_CREAT|O_EXCL|O_BINARY, 0600);
}
+#endif
-static void create_firm_prog(translation_unit_t *unit)
+/**
+ * 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)
{
- translation_unit_to_firm(unit);
+ const char *tempdir = get_tempdir();
- //dump_globals_as_text(dump_verbosity_max, "-globals");
+ snprintf(buffer, buflen, "%s/%sXXXXXX", tempdir, prefix);
- int n_irgs = get_irp_n_irgs();
- for(int i = 0; i < n_irgs; ++i) {
- ir_graph *const irg = get_irp_irg(i);
- dump(irg, "-start");
+ int fd = mkstemp(buffer);
+ if(fd == -1) {
+ fprintf(stderr, "couldn't create temporary file: %s\n",
+ strerror(errno));
+ exit(1);
}
+ FILE *out = fdopen(fd, "w");
+ if(out == NULL) {
+ fprintf(stderr, "couldn't create temporary file FILE*\n");
+ exit(1);
+ }
+
+ return out;
+}
+/**
+ * Do the necessary lowering for compound parameters.
+ */
+void lower_compound_params(void)
+{
lower_params_t params;
params.def_ptr_alignment = 4;
params.find_pointer_type = NULL;
params.ret_compound_in_regs = NULL;
lower_calls_with_compounds(¶ms);
-
- lower_highlevel();
-
- for(int i = 0; i < n_irgs; ++i) {
- ir_graph *const irg = get_irp_irg(i);
- dump(irg, "-lower");
- }
-}
-
-static void optimize(void)
-{
- int arr_len;
- ir_entity **keep_methods;
-
- cgana(&arr_len, &keep_methods);
- gc_irgs(arr_len, keep_methods);
- free(keep_methods);
-
- optimize_funccalls(0);
-
- lwrdw_param_t lwrdw_param = {
- 1,
- 1,
- mode_Ls, mode_Lu,
- mode_Is, mode_Iu,
- def_create_intrinsic_fkt,
- NULL
- };
- if (be_params->arch_create_intrinsic_fkt) {
- lwrdw_param.create_intrinsic = be_params->arch_create_intrinsic_fkt;
- lwrdw_param.ctx = be_params->create_intrinsic_ctx;
- }
-
- for(int i = 0; i < get_irp_n_irgs(); ++i) {
- ir_graph *irg = get_irp_irg(i);
-
- optimize_graph_df(irg);
- dump(irg, "-01-localopt");
- place_code(irg);
- dump(irg, "-02-place");
- optimize_cf(irg);
- dump(irg, "-03-cf");
- lower_dw_ops(&lwrdw_param);
- dump(irg, "-04-dw");
- optimize_graph_df(irg);
- dump(irg, "-05-localopt");
- optimize_cf(irg);
- dump(irg, "-06-cf");
- }
}
typedef enum compile_mode_t {
+ BenchmarkParser,
+ PreprocessOnly,
+ ParseOnly,
Compile,
+ CompileDump,
CompileAssemble,
CompileAssembleLink,
LexTest,
PrintAst,
- PrintFluffy
+ PrintFluffy,
+ PrintCaml
} 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");
+ }
+ }
+}
+
+static FILE *open_file(const char *filename)
+{
+ if (strcmp(filename, "-") == 0) {
+ 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 (strcmp(string, "c") == 0 || strcmp(string, "c-header") == 0)
+ return FILETYPE_C;
+ if (strcmp(string, "assembler") == 0)
+ return FILETYPE_PREPROCESSED_ASSEMBLER;
+ if (strcmp(string, "assembler-with-cpp") == 0)
+ return FILETYPE_ASSEMBLER;
+ if (strcmp(string, "none") == 0)
+ return FILETYPE_AUTODETECT;
+
+ return FILETYPE_UNKNOWN;
+}
+
int main(int argc, char **argv)
{
initialize_firm();
- init_symbol_table();
- init_tokens();
- init_types();
- init_typehash();
- init_lexer();
- init_ast();
- init_parser();
- init_ast2firm();
+ 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 *files = NULL;
+ file_list_entry_t *last_file = 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]; \
+ if(def[0] == '\0') { \
+ ++i; \
+ if(i >= argc) { \
+ fprintf(stderr, "error: expected argument after '" args "'\n"); \
+ argument_errors = true; \
+ break; \
+ } \
+ def = argv[i]; \
+ if(def[0] == '-' && def[1] != '\0') { \
+ fprintf(stderr, "error: expected argument after '" args "'\n"); \
+ argument_errors = true; \
+ continue; \
+ } \
+ }
- const char *input = NULL;
- const char *outname = NULL;
- compile_mode_t mode = CompileAssembleLink;
+#define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
+ /* early options parsing (find out optimisation level) */
for(int i = 1; i < argc; ++i) {
const char *arg = argv[i];
- if(strcmp(arg, "-o") == 0) {
- ++i;
- if(i >= argc) {
- usage(argv[0]);
- return 1;
- }
- outname = argv[i];
- } else if(strcmp(arg, "-c") == 0) {
- mode = CompileAssemble;
- } else if(strcmp(arg, "-S") == 0) {
- mode = Compile;
- } 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, "--dump") == 0) {
- do_dump = true;
- } else if(strcmp(arg, "-v") == 0) {
- verbose = 1;
- } else if(arg[0] == '-' && arg[1] == 'f') {
- const char *opt = &arg[2];
- if(opt[0] == 0) {
- ++i;
- if(i >= argc) {
- usage(argv[0]);
- return 1;
+ if(arg[0] != '-')
+ continue;
+
+ const char *option = &arg[1];
+ if(option[0] == 'O') {
+ sscanf(&option[1], "%d", &opt_level);
+ }
+ }
+
+ /* 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");
+ /* fallthrough */
+ case 3:
+ set_option("cond-eval");
+ set_option("if-conv");
+ use_builtins = true;
+ /* fallthrough */
+ case 2:
+ set_option("inline");
+ set_option("deconv");
+ set_be_option("omitfp");
+ break;
+ }
+
+ /* parse rest of options */
+ 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')) {
+ inhibit_all_warnings = true;
+ } 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;
}
- opt = argv[i];
- if(opt[0] == '-') {
- usage(argv[0]);
- return 1;
+ } 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 ||
+ strcmp(option, "MP") == 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') {
+ bool truth_value = true;
+ const char *opt;
+ GET_ARG_AFTER(opt, "-f");
+ if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
+ truth_value = false;
+ opt += 3;
}
- }
- //firm_option(opt);
- } else if(arg[0] == '-' && arg[1] == 'b') {
- const char *opt = &arg[2];
- if(opt[0] == 0) {
- ++i;
- if(i >= argc) {
- usage(argv[0]);
- return 1;
+
+ if (strcmp(opt, "dollars-in-identifiers") == 0) {
+ allow_dollar_in_symbol = truth_value;
+ } else if (strcmp(opt, "short-wchar") == 0) {
+ opt_short_wchar_t = truth_value;
+ } else if (strcmp(opt, "syntax-only") == 0) {
+ mode = ParseOnly;
+ } else if(strcmp(opt, "omit-frame-pointer") == 0) {
+ set_be_option(truth_value ? "omitfp" : "omitfp=no");
+ } else if(strcmp(opt, "strength-reduce") == 0) {
+ firm_option("strength-red");
+ } else if (strcmp(opt, "fast-math") == 0
+ || strcmp(opt, "jump-tables") == 0
+ || strcmp(opt, "unroll-loops") == 0
+ || strcmp(opt, "expensive-optimizations") == 0
+ || strcmp(opt, "no-common") == 0
+ || strcmp(opt, "PIC") == 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", truth_value ? opt : opt - 3);
+ } else {
+ if (! truth_value)
+ opt -= 3;
+ int res = firm_option(opt);
+ if (res == 0) {
+ fprintf(stderr, "error: unknown Firm option '-f %s'\n",
+ opt);
+ argument_errors = true;
+ continue;
+ } else if (res == -1) {
+ help_displayed = true;
+ }
}
- opt = argv[i];
- if(opt[0] == '-') {
- usage(argv[0]);
- return 1;
+ } 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 backend option '-b %s'\n",
+ opt);
+ 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') {
+ if (strncmp(option + 1, "l,", 2) == 0) // 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 (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 {
+ 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(option, "pg") == 0) {
+ set_be_option("gprof");
+ add_flag(&ldflags_obst, "-pg");
+ } else if(strcmp(option, "pedantic") == 0
+ || strcmp(option, "ansi") == 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) {
+ 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;
+ if(strcmp(option, "gcc") == 0) {
+ c_mode |= _GNUC;
+ } else if(strcmp(option, "no-gcc") == 0) {
+ c_mode &= ~_GNUC;
+ } else if(strcmp(option, "ms") == 0) {
+ c_mode |= _MS;
+ } else if(strcmp(option, "no-ms") == 0) {
+ c_mode &= ~_MS;
+ } else if(strcmp(option, "signed-chars") == 0) {
+ char_is_signed = true;
+ } else if(strcmp(option, "unsigned-chars") == 0) {
+ char_is_signed = false;
+ } else if(strcmp(option, "strict") == 0) {
+ strict_mode = true;
+ } else if(strcmp(option, "lextest") == 0) {
+ mode = LexTest;
+ } else if(strcmp(option, "benchmark") == 0) {
+ mode = BenchmarkParser;
+ } else if(strcmp(option, "print-ast") == 0) {
+ mode = PrintAst;
+ } else if(strcmp(option, "print-implicit-cast") == 0) {
+ print_implicit_casts = true;
+ } else if(strcmp(option, "print-parenthesis") == 0) {
+ 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) {
+ print_cparser_version();
+ exit(EXIT_SUCCESS);
+ } else if(strcmp(option, "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 {
+ fprintf(stderr, "error: unknown argument '%s'\n", arg);
+ argument_errors = true;
}
- }
- //firm_be_option(opt);
- } else if(arg[0] == '-') {
- if (arg[1] == 'D' ||
- arg[1] == 'O' ||
- arg[1] == 'f' ||
- arg[1] == 'W' ||
- strncmp(arg + 1, "std=", 4) == 0) {
- fprintf(stderr, "Warning: Ignoring option '%s'\n", arg);
} else {
- usage(argv[0]);
- return 1;
+ fprintf(stderr, "error: unknown argument '%s'\n", arg);
+ argument_errors = true;
}
} else {
- if(input != NULL) {
- fprintf(stderr, "Error: multiple input files specified\n");
- usage(argv[0]);
- return 1;
+ filetype_t type = forced_filetype;
+ const char *filename = arg;
+ if (type == FILETYPE_AUTODETECT) {
+ size_t len = strlen(arg);
+ if (len < 2 && arg[0] == '-') {
+ /* - implicitly means C source file */
+ type = FILETYPE_C;
+ filename = NULL;
+ } else if (len > 2 && arg[len-2] == '.') {
+ switch(arg[len-1]) {
+ case 'c': type = FILETYPE_C; break;
+ case 'h': type = FILETYPE_C; break;
+ case 's': type = FILETYPE_PREPROCESSED_ASSEMBLER; break;
+ case 'S': type = FILETYPE_ASSEMBLER; break;
+
+ case 'a':
+ case 'o': type = FILETYPE_OBJECT; break;
+ }
+ } else if (len > 3 && arg[len-3] == '.') {
+ if(strcmp(arg + len - 2, "so") == 0) {
+ type = FILETYPE_OBJECT;
+ }
+ }
+
+ 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;
}
}
- if(input == NULL) {
- fprintf(stderr, "%s: no input files\n", argv[0]);
- return 1;
+ if (files == NULL) {
+ fprintf(stderr, "error: no input files specified\n");
+ argument_errors = true;
}
- if(mode == LexTest) {
- lextest(input);
- return 0;
+ if (help_displayed) {
+ return !argument_errors;
}
-
- FILE *const in = preprocess(input);
- translation_unit_t *const unit = do_parsing(in, input);
- pclose(in);
- if(unit == NULL)
+ if (argument_errors) {
+ usage(argv[0]);
return 1;
-
- if(mode == PrintAst) {
- print_ast(unit);
- return 0;
}
- if(mode == PrintFluffy) {
- ast_set_output(stdout);
- write_fluffy_decls(unit);
+
+ /* 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();
+ init_lexer();
+ init_ast();
+ init_parser();
+ init_ast2firm();
+
+ char outnamebuf[4096];
+ if (outname == NULL) {
+ const char *filename = files->name;
+
+ switch(mode) {
+ case BenchmarkParser:
+ case PrintAst:
+ case PrintFluffy:
+ case PrintCaml:
+ case LexTest:
+ case PreprocessOnly:
+ outname = "-";
+ break;
+ case ParseOnly:
+ break;
+ case Compile:
+ get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
+ outname = outnamebuf;
+ break;
+ case CompileAssemble:
+ get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
+ outname = outnamebuf;
+ break;
+ case CompileDump:
+ get_output_name(outnamebuf, sizeof(outnamebuf), dumpfunction,
+ ".vcg");
+ outname = outnamebuf;
+ break;
+ case CompileAssembleLink:
+#ifdef _WIN32
+ outname = "a.exe";
+#else
+ outname = "a.out";
+#endif
+ break;
+ }
}
- char outsname[4096];
- const char *sname = NULL;
- if(mode == Compile) {
- sname = outname;
+ assert(outname != NULL);
+
+ FILE *out;
+ 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;
+ }
}
- if(sname == NULL) {
- get_output_name(outsname, sizeof(outsname), input, ".s");
- sname = outsname;
+
+ 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 (file->type == 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 = NULL;
+ if (filetype == FILETYPE_C || filetype == FILETYPE_ASSEMBLER) {
+ /* 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 (filetype == FILETYPE_C) {
+ filetype = FILETYPE_PREPROCESSED_C;
+ } else if (filetype == FILETYPE_ASSEMBLER) {
+ filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
+ } else {
+ panic("internal compiler error: unknown filetype at preproc");
+ }
+
+ in = preprocessed_in;
+ }
+
+ FILE *asm_out;
+ if(mode == Compile) {
+ asm_out = out;
+ } else {
+ asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile),
+ "ccs");
+ }
+
+ if (in == NULL)
+ in = open_file(filename);
+
+ /* preprocess and compile */
+ if (filetype == FILETYPE_PREPROCESSED_C) {
+ translation_unit_t *const unit = do_parsing(in, filename);
+ if (in == preprocessed_in) {
+ int pp_result = pclose(preprocessed_in);
+ if (pp_result != EXIT_SUCCESS) {
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ /* 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(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,
+ /*firm_const_exists=*/0);
+ 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 (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;
+ }
+
+ /* ok we're done here, process next file */
+ file->name = filename;
+ file->type = filetype;
}
- create_firm_prog(unit);
- optimize();
- emit(input, sname);
+ if (result != EXIT_SUCCESS)
+ return result;
+
+ /* link program file */
+ if(mode == CompileAssembleLink) {
+ obstack_1grow(&ldflags_obst, '\0');
+ const char *flags = obstack_finish(&ldflags_obst);
- if(mode == CompileAssemble) {
- char outoname[4096];
- const char *oname = outname;
- if(oname == NULL) {
- get_output_name(outoname, sizeof(outoname), input, ".o");
- oname = outoname;
+ /* 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(sname, oname);
- } else {
- assert(mode == CompileAssembleLink);
- if(outname == NULL)
- outname = "a.out";
+ add_flag(&file_obst, "-o");
+ add_flag(&file_obst, outname);
+ obstack_printf(&file_obst, "%s", flags);
+ obstack_1grow(&file_obst, '\0');
+
+ char *commandline = obstack_finish(&file_obst);
- link(sname, outname);
+ 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_ast2firm();
exit_parser();
exit_ast();
projects / cparser / blobdiff