/*
* This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 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
#define fdopen(fd, mode) _fdopen(fd, mode)
#define popen(cmd, mode) _popen(cmd, mode)
#define pclose(file) _pclose(file)
+#define unlink(filename) _unlink(filename)
#else
#include <unistd.h>
#define HAVE_MKSTEMP
#endif
-#ifndef WITH_LIBCORE
-#define WITH_LIBCORE
-#endif
-
#include <libfirm/firm.h>
#include <libfirm/be.h>
#include "types.h"
#include "type_hash.h"
#include "parser.h"
+#include "type_t.h"
#include "ast2firm.h"
#include "diagnostic.h"
#include "lang_features.h"
#include "driver/firm_opt.h"
-#include "driver/firm_cmdline.h"
+#include "driver/firm_timing.h"
+#include "driver/firm_machine.h"
#include "adt/error.h"
-#include "write_fluffy.h"
+#include "adt/strutil.h"
+#include "wrappergen/write_fluffy.h"
+#include "wrappergen/write_jna.h"
#include "revision.h"
#include "warning.h"
+#include "help.h"
+#include "mangle.h"
+#include "printer.h"
#ifndef PREPROCESSOR
-#define PREPROCESSOR "cpp -std=c99 -U__WCHAR_TYPE__ -D__WCHAR_TYPE__=int"
+#ifndef __WIN32__
+#define PREPROCESSOR "gcc -E -U__STRICT_ANSI__"
+#else
+#define PREPROCESSOR "cpp -U__STRICT_ANSI__"
+#endif
#endif
#ifndef LINKER
-#define LINKER "gcc -m32"
+#define LINKER "gcc"
#endif
#ifndef ASSEMBLER
-#define ASSEMBLER "as --32"
+#define ASSEMBLER "gcc -c -xassembler"
#endif
-/** The current c mode/dialect. */
-unsigned int c_mode = _C89|_C99|_GNUC;
-
-/** The 'machine size', 16, 32 or 64 bit, 32bit is the default. */
-unsigned int machine_size = 32;
-
-/** true if the char type is signed. */
-bool char_is_signed = true;
-
-/** true for strict language checking. */
-bool strict_mode = false;
+unsigned int c_mode = _C89 | _ANSI | _C99 | _GNUC;
+bool byte_order_big_endian = false;
+bool strict_mode = false;
+bool enable_main_collect2_hack = false;
+bool freestanding = false;
+unsigned architecture_modulo_shift = 0;
+
+static bool char_is_signed = true;
+static atomic_type_kind_t wchar_atomic_kind = ATOMIC_TYPE_INT;
+
+static machine_triple_t *target_machine;
+static const char *target_triple;
+static int verbose;
+static struct obstack cppflags_obst;
+static struct obstack ldflags_obst;
+static struct obstack asflags_obst;
+static char dep_target[1024];
+static const char *outname;
+static bool define_intmax_types;
+static const char *input_encoding;
+
+typedef enum lang_standard_t {
+ STANDARD_DEFAULT, /* gnu99 (for C, GCC does gnu89) or gnu++98 (for C++) */
+ STANDARD_ANSI, /* c89 (for C) or c++98 (for C++) */
+ STANDARD_C89, /* ISO C90 (sic) */
+ STANDARD_C90, /* ISO C90 as modified in amendment 1 */
+ STANDARD_C99, /* ISO C99 */
+ STANDARD_GNU89, /* ISO C90 plus GNU extensions (including some C99) */
+ STANDARD_GNU99, /* ISO C99 plus GNU extensions */
+ STANDARD_CXX98, /* ISO C++ 1998 plus amendments */
+ STANDARD_GNUXX98 /* ISO C++ 1998 plus amendments and GNU extensions */
+} lang_standard_t;
+
+static lang_standard_t standard;
+
+typedef struct file_list_entry_t file_list_entry_t;
+
+typedef enum filetype_t {
+ FILETYPE_AUTODETECT,
+ FILETYPE_C,
+ FILETYPE_PREPROCESSED_C,
+ FILETYPE_CXX,
+ FILETYPE_PREPROCESSED_CXX,
+ FILETYPE_ASSEMBLER,
+ FILETYPE_PREPROCESSED_ASSEMBLER,
+ FILETYPE_OBJECT,
+ FILETYPE_IR,
+ 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;
+};
+
+static file_list_entry_t *temp_files;
-/* 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;
+static void get_output_name(char *buf, size_t buflen, const char *inputname,
+ const char *newext)
+{
+ if (inputname == NULL)
+ inputname = "a";
+
+ char const *const last_slash = strrchr(inputname, '/');
+ char const *const filename =
+ last_slash != NULL ? last_slash + 1 : inputname;
+ char const *const last_dot = strrchr(filename, '.');
+ char const *const name_end =
+ last_dot != NULL ? last_dot : strchr(filename, '\0');
+
+ int const len = snprintf(buf, buflen, "%.*s%s",
+ (int)(name_end - filename), filename, newext);
+#ifdef _WIN32
+ if (len < 0 || buflen <= (size_t)len)
+#else
+ if (buflen <= (size_t)len)
+#endif
+ panic("filename too long");
+}
-#if defined(_DEBUG) || defined(FIRM_DEBUG)
-/**
- * Debug printf implementation.
- *
- * @param fmt printf style format parameter
- */
-void dbg_printf(const char *fmt, ...)
+static translation_unit_t *do_parsing(FILE *const in, const char *const input_name)
{
- va_list list;
+ start_parsing();
+
+ input_t *input = input_from_stream(in, input_encoding);
+ lexer_switch_input(input, input_name);
+ parse();
+ translation_unit_t *unit = finish_parsing();
+ input_free(input);
- if (firm_dump.debug_print) {
- va_start(list, fmt);
- vprintf(fmt, list);
- va_end(list);
- } /* if */
+ return unit;
}
-#endif /* defined(_DEBUG) || defined(FIRM_DEBUG) */
-static void initialize_firm(void)
+static void lextest(FILE *in, const char *fname)
{
- firm_early_init();
+ input_t *input = input_from_stream(in, input_encoding);
+ lexer_switch_input(input, fname);
- dump_consts_local(1);
- dump_keepalive_edges(1);
+ do {
+ lexer_next_preprocessing_token();
+ print_token(stdout, &lexer_token);
+ putchar('\n');
+ } while (lexer_token.kind != T_EOF);
+ input_free(input);
}
-static void get_output_name(char *buf, size_t buflen, const char *inputname,
- const char *newext)
+static void add_flag(struct obstack *obst, const char *format, ...)
{
- size_t last_dot = 0xffffffff;
- size_t i = 0;
+ char buf[65536];
+ va_list ap;
- if(inputname == NULL) {
- snprintf(buf, buflen, "a%s", newext);
- return;
- }
+ va_start(ap, format);
+#ifdef _WIN32
+ int len =
+#endif
+ vsnprintf(buf, sizeof(buf), format, ap);
+ va_end(ap);
- for(const char *c = inputname; *c != 0; ++c) {
- if(*c == '.')
- last_dot = i;
- ++i;
+ obstack_1grow(obst, ' ');
+#ifdef _WIN32
+ obstack_1grow(obst, '"');
+ obstack_grow(obst, buf, len);
+ obstack_1grow(obst, '"');
+#else
+ /* escape stuff... */
+ for (char *c = buf; *c != '\0'; ++c) {
+ switch(*c) {
+ case ' ':
+ case '"':
+ case '$':
+ case '&':
+ case '(':
+ case ')':
+ case ';':
+ case '<':
+ case '>':
+ case '\'':
+ case '\\':
+ case '\n':
+ case '\r':
+ case '\t':
+ case '`':
+ case '|':
+ obstack_1grow(obst, '\\');
+ /* FALLTHROUGH */
+ default:
+ obstack_1grow(obst, *c);
+ break;
+ }
}
- if(last_dot == 0xffffffff)
- last_dot = i;
-
- if(last_dot >= buflen)
- panic("filename too long");
- memcpy(buf, inputname, last_dot);
-
- size_t extlen = strlen(newext) + 1;
- if(extlen + last_dot >= buflen)
- panic("filename too long");
- memcpy(buf+last_dot, newext, extlen);
+#endif
}
-static translation_unit_t *do_parsing(FILE *const in, const char *const input)
+static const char *type_to_string(type_t *type)
{
- lexer_open_stream(in, input);
- translation_unit_t *unit = parse();
- return unit;
+ assert(type->kind == TYPE_ATOMIC);
+ return get_atomic_kind_name(type->atomic.akind);
}
-static void lextest(FILE *in, const char *fname)
+static FILE *preprocess(const char *fname, filetype_t filetype)
{
- lexer_open_stream(in, fname);
+ static const char *common_flags = NULL;
+
+ if (common_flags == NULL) {
+ obstack_1grow(&cppflags_obst, '\0');
+ const char *flags = obstack_finish(&cppflags_obst);
+
+ /* setup default defines */
+ add_flag(&cppflags_obst, "-U__WCHAR_TYPE__");
+ add_flag(&cppflags_obst, "-D__WCHAR_TYPE__=%s", type_to_string(type_wchar_t));
+ add_flag(&cppflags_obst, "-U__SIZE_TYPE__");
+ add_flag(&cppflags_obst, "-D__SIZE_TYPE__=%s", type_to_string(type_size_t));
+
+ add_flag(&cppflags_obst, "-U__VERSION__");
+ add_flag(&cppflags_obst, "-D__VERSION__=\"%s\"", cparser_REVISION);
+
+ if (define_intmax_types) {
+ add_flag(&cppflags_obst, "-U__INTMAX_TYPE__");
+ add_flag(&cppflags_obst, "-D__INTMAX_TYPE__=%s", type_to_string(type_intmax_t));
+ add_flag(&cppflags_obst, "-U__UINTMAX_TYPE__");
+ add_flag(&cppflags_obst, "-D__UINTMAX_TYPE__=%s", type_to_string(type_uintmax_t));
+ }
- do {
- lexer_next_preprocessing_token();
- print_token(stdout, &lexer_token);
- puts("");
- } while(lexer_token.type != T_EOF);
-}
+ if (flags[0] != '\0') {
+ size_t len = strlen(flags);
+ obstack_1grow(&cppflags_obst, ' ');
+ obstack_grow(&cppflags_obst, flags, len);
+ }
+ obstack_1grow(&cppflags_obst, '\0');
+ common_flags = obstack_finish(&cppflags_obst);
+ }
-static FILE* preprocess(FILE* in, const char *fname)
-{
- char buf[4096];
- obstack_1grow(&cppflags_obst, '\0');
- const char *flags = obstack_finish(&cppflags_obst);
+ assert(obstack_object_size(&cppflags_obst) == 0);
- if(in != stdin) {
- snprintf(buf, sizeof(buf), PREPROCESSOR " %s %s", flags, fname);
+ const char *preprocessor = getenv("CPARSER_PP");
+ if (preprocessor != NULL) {
+ obstack_printf(&cppflags_obst, "%s ", preprocessor);
} else {
- /* read from stdin */
- snprintf(buf, sizeof(buf), PREPROCESSOR " %s -", flags);
+ if (target_triple != NULL)
+ obstack_printf(&cppflags_obst, "%s-", target_triple);
+ obstack_printf(&cppflags_obst, PREPROCESSOR);
+ }
+
+ switch (filetype) {
+ case FILETYPE_C:
+ add_flag(&cppflags_obst, "-std=c99");
+ break;
+ case FILETYPE_CXX:
+ add_flag(&cppflags_obst, "-std=c++98");
+ break;
+ case FILETYPE_ASSEMBLER:
+ add_flag(&cppflags_obst, "-x");
+ add_flag(&cppflags_obst, "assembler-with-cpp");
+ break;
+ default:
+ break;
+ }
+ obstack_printf(&cppflags_obst, "%s", common_flags);
+
+ /* handle dependency generation */
+ if (dep_target[0] != '\0') {
+ add_flag(&cppflags_obst, "-MF");
+ add_flag(&cppflags_obst, dep_target);
+ if (outname != NULL) {
+ add_flag(&cppflags_obst, "-MQ");
+ add_flag(&cppflags_obst, outname);
+ }
}
+ add_flag(&cppflags_obst, fname);
+ obstack_1grow(&cppflags_obst, '\0');
- if(verbose) {
- puts(buf);
+ char *commandline = obstack_finish(&cppflags_obst);
+ if (verbose) {
+ puts(commandline);
}
- FILE* f = popen(buf, "r");
+ FILE *f = popen(commandline, "r");
if (f == NULL) {
fprintf(stderr, "invoking preprocessor failed\n");
- exit(1);
+ exit(EXIT_FAILURE);
}
+ /* we do not really need that anymore */
+ obstack_free(&cppflags_obst, commandline);
+
return f;
}
-static void do_link(const char *out, const char *in)
+static void assemble(const char *out, const char *in)
{
- char buf[4096];
- obstack_1grow(&ldflags_obst, '\0');
- const char *flags = obstack_finish(&ldflags_obst);
+ obstack_1grow(&asflags_obst, '\0');
+ const char *flags = obstack_finish(&asflags_obst);
- snprintf(buf, sizeof(buf), LINKER " %s -o %s %s", flags, out, in);
- if(verbose) {
- puts(buf);
+ const char *assembler = getenv("CPARSER_AS");
+ if (assembler != NULL) {
+ obstack_printf(&asflags_obst, "%s", assembler);
+ } else {
+ if (target_triple != NULL)
+ obstack_printf(&asflags_obst, "%s-", target_triple);
+ obstack_printf(&asflags_obst, "%s", ASSEMBLER);
}
- int err = system(buf);
- if(err != 0) {
- fprintf(stderr, "linker reported an error\n");
- exit(1);
+ if (flags[0] != '\0')
+ obstack_printf(&asflags_obst, " %s", flags);
+
+ obstack_printf(&asflags_obst, " %s -o %s", in, out);
+ obstack_1grow(&asflags_obst, '\0');
+
+ char *commandline = obstack_finish(&asflags_obst);
+ if (verbose) {
+ puts(commandline);
+ }
+ int err = system(commandline);
+ if (err != EXIT_SUCCESS) {
+ fprintf(stderr, "assembler reported an error\n");
+ exit(EXIT_FAILURE);
}
+ obstack_free(&asflags_obst, commandline);
}
-static void assemble(const char *out, const char *in)
+static void print_file_name(const char *file)
{
- char buf[4096];
+ add_flag(&ldflags_obst, "-print-file-name=%s", file);
+
+ obstack_1grow(&ldflags_obst, '\0');
+ const char *flags = obstack_finish(&ldflags_obst);
- snprintf(buf, sizeof(buf), "%s %s -o %s", ASSEMBLER, in, out);
- if(verbose) {
- puts(buf);
+ /* construct commandline */
+ const char *linker = getenv("CPARSER_LINK");
+ if (linker != NULL) {
+ obstack_printf(&ldflags_obst, "%s ", linker);
+ } else {
+ if (target_triple != NULL)
+ obstack_printf(&ldflags_obst, "%s-", target_triple);
+ obstack_printf(&ldflags_obst, "%s ", LINKER);
}
+ obstack_printf(&ldflags_obst, "%s ", linker);
+ obstack_printf(&ldflags_obst, "%s", flags);
+ obstack_1grow(&ldflags_obst, '\0');
- int err = system(buf);
- if(err != 0) {
- fprintf(stderr, "assembler reported an error\n");
- exit(1);
+ char *commandline = obstack_finish(&ldflags_obst);
+ if (verbose) {
+ puts(commandline);
}
+ int err = system(commandline);
+ if (err != EXIT_SUCCESS) {
+ fprintf(stderr, "linker reported an error\n");
+ exit(EXIT_FAILURE);
+ }
+ obstack_free(&ldflags_obst, commandline);
}
static const char *try_dir(const char *dir)
{
- if(dir == NULL)
+ if (dir == NULL)
return dir;
- if(access(dir, R_OK | W_OK | X_OK) == 0)
+ if (access(dir, R_OK | W_OK | X_OK) == 0)
return dir;
return NULL;
}
{
static const char *tmpdir = NULL;
- if(tmpdir != NULL)
+ if (tmpdir != NULL)
return tmpdir;
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir(getenv("TMPDIR"));
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir(getenv("TMP"));
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir(getenv("TEMP"));
#ifdef P_tmpdir
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir(P_tmpdir);
#endif
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir("/var/tmp");
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir("/usr/tmp");
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = try_dir("/tmp");
- if(tmpdir == NULL)
+ if (tmpdir == NULL)
tmpdir = ".";
return tmpdir;
#endif
/**
- * an own version of tmpnam, which: writes in a buffer, appends a user specified
- * suffix, emits no warnings during linking (like glibc/gnu ld do for tmpnam)...
+ * 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, const char *suffix)
+static FILE *make_temp_file(char *buffer, size_t buflen, const char *prefix)
{
const char *tempdir = get_tempdir();
- /* oh well... mkstemp doesn't accept a suffix after XXXXXX... */
- (void) suffix;
- suffix = "";
-
- snprintf(buffer, buflen, "%s/%sXXXXXX%s", tempdir, prefix, suffix);
+ snprintf(buffer, buflen, "%s/%sXXXXXX", tempdir, prefix);
int fd = mkstemp(buffer);
- if(fd == -1) {
- fprintf(stderr, "couldn't create temporary file: %s\n",
+ if (fd == -1) {
+ fprintf(stderr, "could not create temporary file: %s\n",
strerror(errno));
- exit(1);
+ exit(EXIT_FAILURE);
}
FILE *out = fdopen(fd, "w");
- if(out == NULL) {
- fprintf(stderr, "couldn't create temporary file FILE*\n");
- exit(1);
+ if (out == NULL) {
+ fprintf(stderr, "could not create temporary file FILE*\n");
+ exit(EXIT_FAILURE);
}
+ file_list_entry_t *entry = xmalloc(sizeof(*entry));
+ memset(entry, 0, sizeof(*entry));
+
+ size_t name_len = strlen(buffer) + 1;
+ char *name = malloc(name_len);
+ memcpy(name, buffer, name_len);
+ entry->name = name;
+
+ entry->next = temp_files;
+ temp_files = entry;
+
return out;
}
-/**
- * Do the necessary lowering for compound parameters.
- */
-void lower_compound_params(void)
+static void free_temp_files(void)
{
- lower_params_t params;
-
- params.def_ptr_alignment = 4;
- params.flags = LF_COMPOUND_RETURN | LF_RETURN_HIDDEN;
- params.hidden_params = ADD_HIDDEN_ALWAYS_IN_FRONT;
- params.find_pointer_type = NULL;
- params.ret_compound_in_regs = NULL;
- lower_calls_with_compounds(¶ms);
+ file_list_entry_t *entry = temp_files;
+ file_list_entry_t *next;
+ for ( ; entry != NULL; entry = next) {
+ next = entry->next;
+
+ unlink(entry->name);
+ free((char*) entry->name);
+ free(entry);
+ }
+ temp_files = NULL;
}
typedef enum compile_mode_t {
BenchmarkParser,
+ PreprocessOnly,
ParseOnly,
Compile,
CompileDump,
+ CompileExportIR,
CompileAssemble,
CompileAssembleLink,
LexTest,
PrintAst,
- PrintFluffy
+ PrintFluffy,
+ PrintJna
} compile_mode_t;
static void usage(const char *argv0)
{
- fprintf(stderr, "Usage %s input [-o output] [-c]\n", argv0);
+ fprintf(stderr, "Usage %s [options] input [-o output]\n", argv0);
+}
+
+static void print_cparser_version(void)
+{
+ printf("cparser (%s) using libFirm (%u.%u",
+ cparser_REVISION, ir_get_version_major(),
+ ir_get_version_minor());
+
+ const char *revision = ir_get_version_revision();
+ if (revision[0] != 0) {
+ putchar(' ');
+ fputs(revision, stdout);
+ }
+
+ const char *build = ir_get_version_build();
+ if (build[0] != 0) {
+ putchar(' ');
+ fputs(build, stdout);
+ }
+ puts(")");
+ puts("This is free software; see the source for copying conditions. There is NO\n"
+ "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n");
+}
+
+static void print_help_basic(const char *argv0)
+{
+ usage(argv0);
+ puts("");
+ put_help("--help", "Display this information");
+ put_help("--version", "Display compiler version");
+ put_help("--help-parser", "Display information about parser options");
+ put_help("--help-warnings", "Display information about warning options");
+ put_help("--help-codegen", "Display information about code-generation options");
+ put_help("--help-optimization", "Display information about optimization options");
+ put_help("--help-linker", "Display information about linker options");
+ put_help("--help-language-tools", "Display information about language tools options");
+ put_help("--help-debug", "Display information about compiler debugging options");
+ put_help("--help-firm", "Display information about direct firm options");
+ put_help("--help-all", "Display information about all options");
+ put_help("-c", "Compile and assemble but do not link");
+ put_help("-E", "Preprocess only");
+ put_help("-S", "Compile but do not assembler or link");
+ put_help("-o", "Specify output file");
+ put_help("-v", "Verbose output (show invocation of sub-processes)");
+ put_help("-x", "Force input language:");
+ put_choice("c", "C");
+ put_choice("c++", "C++");
+ put_choice("assembler", "Assembler (no preprocessing)");
+ put_choice("assembler-with-cpp", "Assembler with preprocessing");
+ put_choice("none", "Autodetection");
+ put_help("-pipe", "Ignored (gcc compatibility)");
+}
+
+static void print_help_preprocessor(void)
+{
+ put_help("-nostdinc", "Do not search standard system include directories");
+ put_help("-trigraphs", "Support ISO C trigraphs");
+ put_help("-isystem", "");
+ put_help("-include", "");
+ put_help("-I PATH", "");
+ put_help("-D SYMBOL[=value]", "");
+ put_help("-U SYMBOL", "");
+ put_help("-Wp,OPTION", "Pass option directly to preprocessor");
+ put_help("-M", "");
+ put_help("-MD", "");
+ put_help("-MMD", "");
+ put_help("-MM", "");
+ put_help("-MP", "");
+ put_help("-MT", "");
+ put_help("-MQ", "");
+ put_help("-MF", "");
+}
+
+static void print_help_parser(void)
+{
+ put_help("-finput-charset=CHARSET", "Select encoding of input files");
+ put_help("-fmessage-length=LEN", "Ignored (gcc compatibility)");
+ put_help("-fshort-wchar", "Type \"wchar_t\" is unsigned short instead of int");
+ put_help("-fshow-column", "Show the column number in diagnostic messages");
+ put_help("-fsigned-char", "Type \"char\" is a signed type");
+ put_help("-funsigned-char", "Type \"char\" is an unsigned type");
+ put_help("--ms", "Enable msvc extensions");
+ put_help("--no-ms", "Disable msvc extensions");
+ put_help("--gcc", "Enable gcc extensions");
+ put_help("--no-gcc", "Disable gcc extensions");
+ put_help("-std=STANDARD", "Specify language standard:");
+ put_choice("c99", "ISO C99 standard");
+ put_choice("c89", "ISO C89 standard");
+ put_choice("c9x", "Deprecated");
+ put_choice("c++", "ISO C++ 98");
+ put_choice("c++98", "ISO C++ 98");
+ put_choice("gnu99", "ISO C99 + GNU extensions (default)");
+ put_choice("gnu89", "ISO C89 + GNU extensions");
+ put_choice("gnu9x", "Deprecated");
+ put_choice("iso9899:1990", "ISO C89");
+ put_choice("iso9899:199409", "ISO C90");
+ put_choice("iso9899:1999", "ISO C99");
+ put_choice("iso9899:199x", "Deprecated");
+ put_help("-pedantic", "Ignored (gcc compatibility)");
+ put_help("-ansi", "Ignored (gcc compatibility)");
+ put_help("--strict", "Enable strict conformance checking");
+}
+
+static void print_help_warnings(void)
+{
+ put_help("-f[no-]diagnostics-show-option", "Show the switch, which controls a warning, after each warning");
+ put_help("-w", "Disable all warnings");
+ put_help("-Wno-trigraphs", "Warn if input contains trigraphs");
+ put_help("-Wundef", "Warn if an undefined macro is used in an #if");
+ put_help("-Wmissing-include-dirs", "Warn about missing user-specified include directories");
+ put_help("-Wendif-labels", "Warn about stray text after #elif and #endif");
+ put_help("-Winit-self", "Ignored (gcc compatibility)");
+ put_help("-Wformat-y2k", "Ignored (gcc compatibility)");
+ put_help("-Wformat-security", "Ignored (gcc compatibility)");
+ put_help("-Wold-style-declaration", "Ignored (gcc compatibility)");
+ put_help("-Wtype-limits", "Ignored (gcc compatibility)");
+ print_warning_opt_help();
+}
+
+static void print_help_optimization(void)
+{
+ put_help("-O LEVEL", "Select optimization level (0-4)");
+ firm_option_help(put_help);
+ put_help("-fexpensive-optimizations","Ignored (gcc compatibility)");
+}
+
+static void print_help_codegeneration(void)
+{
+ put_help("-g", "Generate debug information");
+ put_help("-pg", "Instrument code for gnu gprof");
+ put_help("-fomit-frame-pointer", "Produce code without frame pointer where possible");
+ put_help("-ffreestanding", "Compile in freestanding mode (see ISO C standard)");
+ put_help("-fhosted", "Compile in hosted (not freestanding) mode");
+ put_help("-fprofile-generate", "Generate instrumented code to collect profile information");
+ put_help("-fprofile-use", "Use profile information generated by instrumented binaries");
+ put_help("-ffp-precise", "Precise floating point model");
+ put_help("-ffp-fast", "Imprecise floating point model");
+ put_help("-ffp-strict", "Strict floating point model");
+ put_help("-pthread", "Use pthread threading library");
+ put_help("-mtarget=TARGET", "Specify target architecture as CPU-manufacturer-OS triple");
+ put_help("-mtriple=TARGET", "Alias for -mtarget (clang compatibility)");
+ put_help("-march=ARCH", "");
+ put_help("-mtune=ARCH", "");
+ put_help("-mcpu=CPU", "");
+ put_help("-mfpmath=", "");
+ put_help("-mpreferred-stack-boundary=", "");
+ put_help("-mrtd", "");
+ put_help("-mregparm=", "Not supported yet");
+ put_help("-msoft-float", "Not supported yet");
+ put_help("-m32", "Generate 32bit code");
+ put_help("-m64", "Generate 64bit code");
+ put_help("-fverbose-asm", "Ignored (gcc compatibility)");
+ put_help("-fjump-tables", "Ignored (gcc compatibility)");
+ put_help("-fcommon", "Ignored (gcc compatibility)");
+ put_help("-foptimize-sibling-calls", "Ignored (gcc compatibility)");
+ put_help("-falign-loops", "Ignored (gcc compatibility)");
+ put_help("-falign-jumps", "Ignored (gcc compatibility)");
+ put_help("-falign-functions", "Ignored (gcc compatibility)");
+ put_help("-fPIC", "Ignored (gcc compatibility)");
+ put_help("-ffast-math", "Same as -ffp-fast (gcc compatibility)");
+ puts("");
+ puts("\tMost of these options can be used with a no- prefix to disable them");
+ puts("\te.g. -fno-omit-frame-pointer");
+}
+
+static void print_help_linker(void)
+{
+ put_help("-l LIBRARY", "");
+ put_help("-L PATH", "");
+ put_help("-s", "Do not produce symbol table and relocation information");
+ put_help("-shared", "Produce a shared library");
+ put_help("-static", "Produce statically linked binary");
+ put_help("-Wl,OPTION", "Pass option directly to linker");
+}
+
+static void print_help_debug(void)
+{
+ put_help("--lextest", "Preprocess and tokenize only");
+ put_help("--print-ast", "Preprocess, parse and print AST");
+ put_help("--print-implicit-cast", "");
+ put_help("--print-parenthesis", "");
+ put_help("--benchmark", "Preprocess and parse, produces no output");
+ put_help("--time", "Measure time of compiler passes");
+ put_help("--dump-function func", "Preprocess, parse and output vcg graph of func");
+ put_help("--export-ir", "Preprocess, parse and output compiler intermediate representation");
+}
+
+static void print_help_language_tools(void)
+{
+ put_help("--print-fluffy", "Preprocess, parse and generate declarations for the fluffy language");
+ put_help("--print-jna", "Preprocess, parse and generate declarations for JNA");
+ put_help("--jna-limit filename", "");
+ put_help("--jna-libname name", "");
+}
+
+static void print_help_firm(void)
+{
+ put_help("-bOPTION", "Directly pass option to libFirm backend");
+ int res = be_parse_arg("help");
+ (void) res;
+ assert(res);
+}
+
+typedef enum {
+ HELP_NONE = 0,
+ HELP_BASIC = 1u << 0,
+ HELP_PREPROCESSOR = 1u << 1,
+ HELP_PARSER = 1u << 2,
+ HELP_WARNINGS = 1u << 3,
+ HELP_OPTIMIZATION = 1u << 4,
+ HELP_CODEGEN = 1u << 5,
+ HELP_LINKER = 1u << 6,
+ HELP_LANGUAGETOOLS = 1u << 7,
+ HELP_DEBUG = 1u << 8,
+ HELP_FIRM = 1u << 9,
+
+ HELP_ALL = (unsigned)-1
+} help_sections_t;
+
+static void print_help(const char *argv0, help_sections_t sections)
+{
+ if (sections & HELP_BASIC) print_help_basic(argv0);
+ if (sections & HELP_PREPROCESSOR) print_help_preprocessor();
+ if (sections & HELP_PARSER) print_help_parser();
+ if (sections & HELP_WARNINGS) print_help_warnings();
+ if (sections & HELP_OPTIMIZATION) print_help_optimization();
+ if (sections & HELP_CODEGEN) print_help_codegeneration();
+ if (sections & HELP_LINKER) print_help_linker();
+ if (sections & HELP_LANGUAGETOOLS) print_help_language_tools();
+ if (sections & HELP_DEBUG) print_help_debug();
+ if (sections & HELP_FIRM) print_help_firm();
+}
+
+static void set_be_option(const char *arg)
+{
+ int res = be_parse_arg(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("could not write output");
+ }
+ }
+}
+
+static FILE *open_file(const char *filename)
+{
+ if (streq(filename, "-")) {
+ return stdin;
+ }
+
+ FILE *in = fopen(filename, "r");
+ if (in == NULL) {
+ fprintf(stderr, "Could not open '%s': %s\n", filename,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ return in;
+}
+
+static filetype_t get_filetype_from_string(const char *string)
+{
+ if (streq(string, "c") || streq(string, "c-header"))
+ return FILETYPE_C;
+ if (streq(string, "c++") || streq(string, "c++-header"))
+ return FILETYPE_CXX;
+ if (streq(string, "assembler"))
+ return FILETYPE_PREPROCESSED_ASSEMBLER;
+ if (streq(string, "assembler-with-cpp"))
+ return FILETYPE_ASSEMBLER;
+ if (streq(string, "none"))
+ return FILETYPE_AUTODETECT;
+
+ return FILETYPE_UNKNOWN;
+}
+
+static bool is_windows_os(const char *os)
+{
+ return strstr(os, "mingw") != NULL || streq(os, "win32");
+}
+
+static bool is_unixish_os(const char *os)
+{
+ return strstr(os, "linux") != NULL || strstr(os, "bsd") != NULL
+ || streq(os, "solaris");
+}
+
+static bool is_darwin_os(const char *os)
+{
+ return streq(os, "darwin");
+}
+
+static bool init_os_support(void)
+{
+ const char *os = target_machine->operating_system;
+ wchar_atomic_kind = ATOMIC_TYPE_INT;
+ enable_main_collect2_hack = false;
+ define_intmax_types = false;
+
+ if (is_unixish_os(os)) {
+ set_create_ld_ident(create_name_linux_elf);
+ } else if (is_darwin_os(os)) {
+ set_create_ld_ident(create_name_macho);
+ define_intmax_types = true;
+ } else if (is_windows_os(os)) {
+ wchar_atomic_kind = ATOMIC_TYPE_USHORT;
+ enable_main_collect2_hack = true;
+ set_create_ld_ident(create_name_win32);
+ } else {
+ return false;
+ }
+
+ return true;
+}
+
+static bool parse_target_triple(const char *arg)
+{
+ machine_triple_t *triple = firm_parse_machine_triple(arg);
+ if (triple == NULL) {
+ fprintf(stderr, "Target-triple is not in the form 'cpu_type-manufacturer-operating_system'\n");
+ return false;
+ }
+ target_machine = triple;
+ return true;
+}
+
+static unsigned decide_modulo_shift(unsigned type_size)
+{
+ if (architecture_modulo_shift == 0)
+ return 0;
+ if (type_size < architecture_modulo_shift)
+ return architecture_modulo_shift;
+ return type_size;
+}
+
+static bool is_ia32_cpu(const char *architecture)
+{
+ return streq(architecture, "i386")
+ || streq(architecture, "i486")
+ || streq(architecture, "i586")
+ || streq(architecture, "i686")
+ || streq(architecture, "i786");
+}
+
+static const char *setup_isa_from_tripel(const machine_triple_t *machine)
+{
+ const char *cpu = machine->cpu_type;
+
+ if (is_ia32_cpu(cpu)) {
+ return "ia32";
+ } else if (streq(cpu, "x86_64")) {
+ return "amd64";
+ } else if (streq(cpu, "sparc")) {
+ return "sparc";
+ } else if (streq(cpu, "arm")) {
+ return "arm";
+ } else {
+ fprintf(stderr, "Unknown cpu '%s' in target-triple\n", cpu);
+ return NULL;
+ }
+}
+
+static const char *setup_target_machine(void)
+{
+ if (!setup_firm_for_machine(target_machine))
+ exit(1);
+
+ const char *isa = setup_isa_from_tripel(target_machine);
+
+ if (isa == NULL)
+ exit(1);
+
+ init_os_support();
+
+ return isa;
+}
+
+/**
+ * initialize cparser type properties based on a firm type
+ */
+static void set_typeprops_type(atomic_type_properties_t* props, ir_type *type)
+{
+ props->size = get_type_size_bytes(type);
+ props->alignment = get_type_alignment_bytes(type);
+ props->struct_alignment = props->alignment;
+}
+
+/**
+ * Copy atomic type properties except the integer conversion rank
+ */
+static void copy_typeprops(atomic_type_properties_t *dest,
+ const atomic_type_properties_t *src)
+{
+ dest->size = src->size;
+ dest->alignment = src->alignment;
+ dest->struct_alignment = src->struct_alignment;
+ dest->flags = src->flags;
+}
+
+static void init_types_and_adjust(void)
+{
+ const backend_params *be_params = be_get_backend_param();
+ unsigned machine_size = be_params->machine_size;
+ init_types(machine_size);
+
+ atomic_type_properties_t *props = atomic_type_properties;
+
+ /* adjust types as requested by target architecture */
+ ir_type *type_long_double = be_params->type_long_double;
+ if (type_long_double != NULL)
+ set_typeprops_type(&props[ATOMIC_TYPE_LONG_DOUBLE], type_long_double);
+
+ ir_type *type_long_long = be_params->type_long_long;
+ if (type_long_long != NULL)
+ set_typeprops_type(&props[ATOMIC_TYPE_LONGLONG], type_long_long);
+
+ ir_type *type_unsigned_long_long = be_params->type_unsigned_long_long;
+ if (type_unsigned_long_long != NULL)
+ set_typeprops_type(&props[ATOMIC_TYPE_ULONGLONG], type_unsigned_long_long);
+
+ /* operating system ABI specifics */
+ const char *os = target_machine->operating_system;
+ if (is_darwin_os(os)) {
+ if (machine_size == 32) {
+ props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
+ props[ATOMIC_TYPE_LONG_DOUBLE].size = 16;
+ props[ATOMIC_TYPE_LONG_DOUBLE].alignment = 16;
+ props[ATOMIC_TYPE_LONG_DOUBLE].struct_alignment = 16;
+ }
+ } else if (is_windows_os(os)) {
+ if (machine_size == 64) {
+ /* to ease porting of old c-code microsoft decided to use 32bits
+ * even for long */
+ props[ATOMIC_TYPE_LONG] = props[ATOMIC_TYPE_INT];
+ props[ATOMIC_TYPE_ULONG] = props[ATOMIC_TYPE_UINT];
+ }
+
+ /* on windows long double is not supported */
+ props[ATOMIC_TYPE_LONG_DOUBLE] = props[ATOMIC_TYPE_DOUBLE];
+ } else if (is_unixish_os(os)) {
+ if (is_ia32_cpu(target_machine->cpu_type)) {
+ /* System V has a broken alignment for double so we have to add
+ * a hack here */
+ props[ATOMIC_TYPE_DOUBLE].struct_alignment = 4;
+ props[ATOMIC_TYPE_LONGLONG].struct_alignment = 4;
+ props[ATOMIC_TYPE_ULONGLONG].struct_alignment = 4;
+ }
+ }
+
+ /* stuff decided after processing operating system specifics and
+ * commandline flags */
+ if (char_is_signed) {
+ props[ATOMIC_TYPE_CHAR].flags |= ATOMIC_TYPE_FLAG_SIGNED;
+ } else {
+ props[ATOMIC_TYPE_CHAR].flags &= ~ATOMIC_TYPE_FLAG_SIGNED;
+ }
+ /* copy over wchar_t properties (including rank) */
+ props[ATOMIC_TYPE_WCHAR_T] = props[wchar_atomic_kind];
+
+ /* initialize defaults for unsupported types */
+ if (type_long_long == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_LONGLONG], &props[ATOMIC_TYPE_LONG]);
+ }
+ if (type_unsigned_long_long == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_ULONGLONG],
+ &props[ATOMIC_TYPE_ULONG]);
+ }
+ if (type_long_double == NULL) {
+ copy_typeprops(&props[ATOMIC_TYPE_LONG_DOUBLE],
+ &props[ATOMIC_TYPE_DOUBLE]);
+ }
+
+ /* initialize firm pointer modes */
+ char name[64];
+ ir_mode_sort sort = irms_reference;
+ unsigned bit_size = machine_size;
+ bool is_signed = 0;
+ ir_mode_arithmetic arithmetic = irma_twos_complement;
+ unsigned modulo_shift = decide_modulo_shift(bit_size);
+
+ snprintf(name, sizeof(name), "p%u", machine_size);
+ ir_mode *ptr_mode = new_ir_mode(name, sort, bit_size, is_signed, arithmetic,
+ modulo_shift);
+
+ if (machine_size == 16) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Hs);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Hu);
+ } else if (machine_size == 32) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Is);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Iu);
+ } else if (machine_size == 64) {
+ set_reference_mode_signed_eq(ptr_mode, mode_Ls);
+ set_reference_mode_unsigned_eq(ptr_mode, mode_Lu);
+ } else {
+ panic("strange machine_size when determining pointer modes");
+ }
+
+ /* Hmm, pointers should be machine size */
+ set_modeP_data(ptr_mode);
+ set_modeP_code(ptr_mode);
+
+ byte_order_big_endian = be_params->byte_order_big_endian;
+ if (be_params->modulo_shift_efficient) {
+ architecture_modulo_shift = machine_size;
+ } else {
+ architecture_modulo_shift = 0;
+ }
}
int main(int argc, char **argv)
{
- initialize_firm();
+ firm_early_init();
- 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;
+ const char *dumpfunction = NULL;
+ const char *print_file_name_file = 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;
+ bool construct_dep_target = false;
+ bool do_timing = false;
+ bool profile_generate = false;
+ bool profile_use = false;
+ struct obstack file_obst;
+
+ atexit(free_temp_files);
+
+ /* hack for now... */
+ if (strstr(argv[0], "pptest") != NULL) {
+ extern int pptest_main(int argc, char **argv);
+ return pptest_main(argc, argv);
+ }
obstack_init(&cppflags_obst);
obstack_init(&ldflags_obst);
+ obstack_init(&asflags_obst);
+ obstack_init(&file_obst);
#define GET_ARG_AFTER(def, args) \
+ do { \
def = &arg[sizeof(args)-1]; \
- if(def[0] == '\0') { \
+ if (def[0] == '\0') { \
++i; \
- if(i >= argc) { \
+ if (i >= argc) { \
fprintf(stderr, "error: expected argument after '" args "'\n"); \
argument_errors = true; \
break; \
} \
def = argv[i]; \
- if(def[0] == '-' && def[1] != '\0') { \
+ if (def[0] == '-' && def[1] != '\0') { \
fprintf(stderr, "error: expected argument after '" args "'\n"); \
argument_errors = true; \
continue; \
} \
- }
+ } \
+ } while (0)
#define SINGLE_OPTION(ch) (option[0] == (ch) && option[1] == '\0')
- /* early options parsing (find out optimisation level) */
- for(int i = 1; i < argc; ++i) {
+ /* early options parsing (find out optimization level and OS) */
+ for (int i = 1; i < argc; ++i) {
const char *arg = argv[i];
- if(arg[0] != '-')
+ if (arg[0] != '-')
continue;
const char *option = &arg[1];
- if(option[0] == 'O') {
+ if (option[0] == 'O') {
sscanf(&option[1], "%d", &opt_level);
}
}
- /* apply optimisation level */
- switch(opt_level) {
- case 0:
- firm_option("no-opt");
- break;
- case 1:
- firm_option("no-inline");
- break;
- default:
- case 4:
- firm_option("strict-aliasing");
- /* fallthrough */
- case 3:
- firm_option("cond-eval");
- firm_option("if-conv");
- /* fallthrough */
- case 2:
- firm_option("inline");
- firm_option("deconv");
- firm_be_option("omitfp");
- break;
+ const char *target = getenv("TARGET");
+ if (target != NULL)
+ parse_target_triple(target);
+ if (target_machine == NULL) {
+ target_machine = firm_get_host_machine();
}
+ choose_optimization_pack(opt_level);
+ setup_target_machine();
/* parse rest of options */
- bool help_displayed = false;
- bool argument_errors = false;
- for(int i = 1; i < argc; ++i) {
+ standard = STANDARD_DEFAULT;
+ unsigned features_on = 0;
+ unsigned features_off = 0;
+ filetype_t forced_filetype = FILETYPE_AUTODETECT;
+ help_sections_t help = HELP_NONE;
+ 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') {
+ 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");
- } else if(SINGLE_OPTION('c')) {
+ } 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('S')) {
+ } else if (SINGLE_OPTION('E')) {
+ mode = PreprocessOnly;
+ } else if (SINGLE_OPTION('s')) {
+ add_flag(&ldflags_obst, "-s");
+ } else if (SINGLE_OPTION('S')) {
mode = Compile;
- } else if(option[0] == 'O') {
+ } else if (option[0] == 'O') {
continue;
- } else if(option[0] == 'I') {
+ } else if (option[0] == 'I') {
const char *opt;
GET_ARG_AFTER(opt, "-I");
- obstack_printf(&cppflags_obst, " -I%s", opt);
- } else if(option[0] == 'D') {
+ 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);
- } else if(option[0] == 'U') {
+ 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);
- } else if(option[0] == 'l') {
+ 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);
- } else if(option[0] == 'L') {
+ 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);
- } else if(SINGLE_OPTION('v')) {
+ 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] == 'f') {
+ } else if (SINGLE_OPTION('w')) {
+ add_flag(&cppflags_obst, "-w");
+ disable_all_warnings();
+ } else if (option[0] == 'x') {
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");
- } else if(strcmp(opt, "no-omit-frame-pointer") == 0) {
- firm_be_option("omitfp=no");
- } else {
- int res = firm_option(opt);
- if (res == 0) {
- fprintf(stderr, "error: unknown Firm option '-f %s'\n",
- 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;
+ }
+ } else if (streq(option, "M")) {
+ mode = PreprocessOnly;
+ add_flag(&cppflags_obst, "-M");
+ } else if (streq(option, "MMD") ||
+ streq(option, "MD")) {
+ construct_dep_target = true;
+ add_flag(&cppflags_obst, "-%s", option);
+ } else if (streq(option, "MM") ||
+ streq(option, "MP")) {
+ add_flag(&cppflags_obst, "-%s", option);
+ } else if (streq(option, "MT") ||
+ streq(option, "MQ") ||
+ streq(option, "MF")) {
+ const char *opt;
+ GET_ARG_AFTER(opt, "-MT");
+ add_flag(&cppflags_obst, "-%s", option);
+ add_flag(&cppflags_obst, "%s", opt);
+ } else if (streq(option, "include")) {
+ const char *opt;
+ GET_ARG_AFTER(opt, "-include");
+ add_flag(&cppflags_obst, "-include");
+ add_flag(&cppflags_obst, "%s", opt);
+ } else if (streq(option, "isystem")) {
+ const char *opt;
+ GET_ARG_AFTER(opt, "-isystem");
+ add_flag(&cppflags_obst, "-isystem");
+ add_flag(&cppflags_obst, "%s", opt);
+#if defined(linux) || defined(__linux) || defined(__linux__) || defined(__CYGWIN__)
+ } else if (streq(option, "pthread")) {
+ /* set flags for the preprocessor */
+ add_flag(&cppflags_obst, "-D_REENTRANT");
+ /* set flags for the linker */
+ add_flag(&ldflags_obst, "-lpthread");
+#endif
+ } else if (streq(option, "nostdinc")
+ || streq(option, "trigraphs")) {
+ /* pass these through to the preprocessor */
+ add_flag(&cppflags_obst, "%s", arg);
+ } else if (streq(option, "pipe")) {
+ /* here for gcc compatibility */
+ } else if (streq(option, "static")) {
+ add_flag(&ldflags_obst, "-static");
+ } else if (streq(option, "shared")) {
+ add_flag(&ldflags_obst, "-shared");
+ } else if (option[0] == 'f') {
+ char const *orig_opt;
+ GET_ARG_AFTER(orig_opt, "-f");
+
+ if (strstart(orig_opt, "input-charset=")) {
+ char const* const encoding = strchr(orig_opt, '=') + 1;
+ input_encoding = encoding;
+ } else if (strstart(orig_opt, "align-loops=") ||
+ strstart(orig_opt, "align-jumps=") ||
+ strstart(orig_opt, "align-functions=")) {
+ fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
+ } else if (strstart(orig_opt, "visibility=")) {
+ const char *val = strchr(orig_opt, '=')+1;
+ elf_visibility_tag_t visibility
+ = get_elf_visibility_from_string(val);
+ if (visibility == ELF_VISIBILITY_ERROR) {
+ fprintf(stderr, "invalid visibility '%s' specified\n",
+ val);
argument_errors = true;
- continue;
- } else if (res == -1) {
- help_displayed = true;
+ } else {
+ set_default_visibility(visibility);
+ }
+ } else if (strstart(orig_opt, "message-length=")) {
+ /* ignore: would only affect error message format */
+ } else if (streq(orig_opt, "fast-math") ||
+ streq(orig_opt, "fp-fast")) {
+ firm_fp_model = fp_model_fast;
+ } else if (streq(orig_opt, "fp-precise")) {
+ firm_fp_model = fp_model_precise;
+ } else if (streq(orig_opt, "fp-strict")) {
+ firm_fp_model = fp_model_strict;
+ } else if (streq(orig_opt, "help")) {
+ fprintf(stderr, "warning: -fhelp is deprecated\n");
+ help |= HELP_OPTIMIZATION;
+ } else {
+ /* -f options which have an -fno- variant */
+ char const *opt = orig_opt;
+ bool truth_value = true;
+ if (opt[0] == 'n' && opt[1] == 'o' && opt[2] == '-') {
+ truth_value = false;
+ opt += 3;
+ }
+
+ if (streq(opt, "diagnostics-show-option")) {
+ diagnostics_show_option = truth_value;
+ } else if (streq(opt, "dollars-in-identifiers")) {
+ allow_dollar_in_symbol = truth_value;
+ } else if (streq(opt, "omit-frame-pointer")) {
+ set_be_option(truth_value ? "omitfp" : "omitfp=no");
+ } else if (streq(opt, "short-wchar")) {
+ wchar_atomic_kind = truth_value ? ATOMIC_TYPE_USHORT
+ : ATOMIC_TYPE_INT;
+ } else if (streq(opt, "show-column")) {
+ show_column = truth_value;
+ } else if (streq(opt, "signed-char")) {
+ char_is_signed = truth_value;
+ } else if (streq(opt, "strength-reduce")) {
+ /* does nothing, for gcc compatibility (even gcc does
+ * nothing for this switch anymore) */
+ } else if (streq(opt, "syntax-only")) {
+ mode = truth_value ? ParseOnly : CompileAssembleLink;
+ } else if (streq(opt, "unsigned-char")) {
+ char_is_signed = !truth_value;
+ } else if (streq(opt, "freestanding")) {
+ freestanding = truth_value;
+ } else if (streq(opt, "hosted")) {
+ freestanding = !truth_value;
+ } else if (streq(opt, "profile-generate")) {
+ profile_generate = truth_value;
+ } else if (streq(opt, "profile-use")) {
+ profile_use = truth_value;
+ } else if (!truth_value &&
+ streq(opt, "asynchronous-unwind-tables")) {
+ /* nothing todo, a gcc feature which we do not support
+ * anyway was deactivated */
+ } else if (streq(opt, "verbose-asm")) {
+ /* ignore: we always print verbose assembler */
+ } else if (streq(opt, "jump-tables") ||
+ streq(opt, "expensive-optimizations") ||
+ streq(opt, "common") ||
+ streq(opt, "optimize-sibling-calls") ||
+ streq(opt, "align-loops") ||
+ streq(opt, "align-jumps") ||
+ streq(opt, "align-functions") ||
+ streq(opt, "PIC") ||
+ streq(opt, "stack-protector") ||
+ streq(opt, "stack-protector-all")) {
+ fprintf(stderr, "ignoring gcc option '-f%s'\n", orig_opt);
+ } else {
+ int res = firm_option(orig_opt);
+ if (res == 0) {
+ fprintf(stderr, "error: unknown Firm option '-f%s'\n",
+ orig_opt);
+ argument_errors = true;
+ continue;
+ }
}
}
- } else if(option[0] == 'b') {
+ } 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(option[0] == 'W') {
- set_warning_opt(&option[1]);
- } else if(option[0] == 'm') {
- const char *opt;
- 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 (streq(opt, "help")) {
+ fprintf(stderr, "warning: -bhelp is deprecated (use --help-firm)\n");
+ help |= HELP_FIRM;
+ } else {
+ int res = be_parse_arg(opt);
+ if (res == 0) {
+ fprintf(stderr, "error: unknown Firm backend option '-b %s'\n",
+ opt);
+ argument_errors = true;
+ } else if (strstart(opt, "isa=")) {
+ strncpy(cpu_arch, opt, sizeof(cpu_arch));
+ }
}
- if (value != 16 && value != 32 && value != 64) {
- fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
- argument_errors = true;
+ } else if (option[0] == 'W') {
+ if (strstart(option + 1, "p,")) {
+ // pass options directly to the preprocessor
+ const char *opt;
+ GET_ARG_AFTER(opt, "-Wp,");
+ add_flag(&cppflags_obst, "-Wp,%s", opt);
+ } else if (strstart(option + 1, "l,")) {
+ // pass options directly to the linker
+ const char *opt;
+ GET_ARG_AFTER(opt, "-Wl,");
+ add_flag(&ldflags_obst, "-Wl,%s", opt);
+ } else if (streq(option + 1, "no-trigraphs")
+ || streq(option + 1, "undef")
+ || streq(option + 1, "missing-include-dirs")
+ || streq(option + 1, "endif-labels")) {
+ add_flag(&cppflags_obst, "%s", arg);
+ } else if (streq(option+1, "init-self")) {
+ /* ignored (same as gcc does) */
+ } else if (streq(option+1, "format-y2k")
+ || streq(option+1, "format-security")
+ || streq(option+1, "old-style-declaration")
+ || streq(option+1, "type-limits")) {
+ /* ignore (gcc compatibility) */
} else {
- machine_size = (unsigned int)value;
+ set_warning_opt(&option[1]);
}
- } else if (option[0] == '\0') {
- if(input != NULL) {
- fprintf(stderr, "error: multiple input files specified\n");
+ } else if (option[0] == 'm') {
+ /* -m options */
+ const char *opt;
+ char arch_opt[64];
+
+ GET_ARG_AFTER(opt, "-m");
+ if (strstart(opt, "target=")) {
+ GET_ARG_AFTER(opt, "-mtarget=");
+ if (!parse_target_triple(opt)) {
+ argument_errors = true;
+ } else {
+ const char *isa = setup_target_machine();
+ strncpy(cpu_arch, isa, sizeof(cpu_arch));
+ target_triple = opt;
+ }
+ } else if (strstart(opt, "triple=")) {
+ GET_ARG_AFTER(opt, "-mtriple=");
+ if (!parse_target_triple(opt)) {
+ argument_errors = true;
+ } else {
+ const char *isa = setup_target_machine();
+ strncpy(cpu_arch, isa, sizeof(cpu_arch));
+ target_triple = opt;
+ }
+ } else if (strstart(opt, "arch=")) {
+ GET_ARG_AFTER(opt, "-march=");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
+ int res = be_parse_arg(arch_opt);
+ snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
+ res &= be_parse_arg(arch_opt);
+
+ if (res == 0) {
+ fprintf(stderr, "Unknown architecture '%s'\n", arch_opt);
+ argument_errors = true;
+ }
+ } else if (strstart(opt, "tune=")) {
+ GET_ARG_AFTER(opt, "-mtune=");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-opt=%s", cpu_arch, opt);
+ int res = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
+ } else if (strstart(opt, "cpu=")) {
+ GET_ARG_AFTER(opt, "-mcpu=");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-arch=%s", cpu_arch, opt);
+ int res = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
+ } else if (strstart(opt, "fpmath=")) {
+ GET_ARG_AFTER(opt, "-mfpmath=");
+ if (streq(opt, "387"))
+ opt = "x87";
+ else if (streq(opt, "sse"))
+ opt = "sse2";
+ else {
+ fprintf(stderr, "error: option -mfpmath 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 = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
+ }
+ } else if (strstart(opt, "preferred-stack-boundary=")) {
+ GET_ARG_AFTER(opt, "-mpreferred-stack-boundary=");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-stackalign=%s", cpu_arch, opt);
+ int res = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
+ } else if (streq(opt, "rtd")) {
+ default_calling_convention = CC_STDCALL;
+ } else if (strstart(opt, "regparm=")) {
+ fprintf(stderr, "error: regparm convention not supported yet\n");
argument_errors = true;
+ } else if (streq(opt, "soft-float")) {
+ add_flag(&ldflags_obst, "-msoft-float");
+ snprintf(arch_opt, sizeof(arch_opt), "%s-fpunit=softfloat", cpu_arch);
+ int res = be_parse_arg(arch_opt);
+ if (res == 0)
+ argument_errors = true;
} else {
- input = arg;
+ long int value = strtol(opt, NULL, 10);
+ if (value == 0) {
+ fprintf(stderr, "error: wrong option '-m %s'\n", opt);
+ argument_errors = true;
+ } else if (value != 16 && value != 32 && value != 64) {
+ fprintf(stderr, "error: option -m supports only 16, 32 or 64\n");
+ argument_errors = true;
+ } else {
+ unsigned machine_size = (unsigned)value;
+ /* TODO: choose/change backend based on this */
+ add_flag(&cppflags_obst, "-m%u", machine_size);
+ add_flag(&asflags_obst, "-m%u", machine_size);
+ add_flag(&ldflags_obst, "-m%u", machine_size);
+ }
}
- } else if(strcmp(option, "pedantic") == 0) {
+ } else if (streq(option, "pg")) {
+ set_be_option("gprof");
+ add_flag(&ldflags_obst, "-pg");
+ } else if (streq(option, "pedantic") ||
+ streq(option, "ansi")) {
fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg);
- } 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 (strstart(option, "std=")) {
+ const char *const o = &option[4];
+ standard =
+ streq(o, "c++") ? STANDARD_CXX98 :
+ streq(o, "c++98") ? STANDARD_CXX98 :
+ streq(o, "c89") ? STANDARD_C89 :
+ streq(o, "c99") ? STANDARD_C99 :
+ streq(o, "c9x") ? STANDARD_C99 : // deprecated
+ streq(o, "gnu++98") ? STANDARD_GNUXX98 :
+ streq(o, "gnu89") ? STANDARD_GNU89 :
+ streq(o, "gnu99") ? STANDARD_GNU99 :
+ streq(o, "gnu9x") ? STANDARD_GNU99 : // deprecated
+ streq(o, "iso9899:1990") ? STANDARD_C89 :
+ streq(o, "iso9899:199409") ? STANDARD_C90 :
+ streq(o, "iso9899:1999") ? STANDARD_C99 :
+ streq(o, "iso9899:199x") ? STANDARD_C99 : // deprecated
+ (fprintf(stderr, "warning: ignoring gcc option '%s'\n", arg), standard);
+ } else if (streq(option, "version")) {
+ print_cparser_version();
+ } else if (strstart(option, "print-file-name=")) {
+ GET_ARG_AFTER(print_file_name_file, "-print-file-name=");
} 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) {
+ if (streq(option, "gcc")) {
+ features_on |= _GNUC;
+ features_off &= ~_GNUC;
+ } else if (streq(option, "no-gcc")) {
+ features_on &= ~_GNUC;
+ features_off |= _GNUC;
+ } else if (streq(option, "ms")) {
+ features_on |= _MS;
+ features_off &= ~_MS;
+ } else if (streq(option, "no-ms")) {
+ features_on &= ~_MS;
+ features_off |= _MS;
+ } else if (streq(option, "strict")) {
strict_mode = true;
- } else if(strcmp(option, "lextest") == 0) {
+ } else if (streq(option, "lextest")) {
mode = LexTest;
- } else if(strcmp(option, "benchmark") == 0) {
+ } else if (streq(option, "benchmark")) {
mode = BenchmarkParser;
- } else if(strcmp(option, "print-ast") == 0) {
+ } else if (streq(option, "print-ast")) {
mode = PrintAst;
- } else if(strcmp(option, "print-implicit-cast") == 0) {
+ } else if (streq(option, "print-implicit-cast")) {
print_implicit_casts = true;
- } else if(strcmp(option, "print-parenthesis") == 0) {
+ } else if (streq(option, "print-parenthesis")) {
print_parenthesis = true;
- } else if(strcmp(option, "print-fluffy") == 0) {
+ } else if (streq(option, "print-fluffy")) {
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);
+ } else if (streq(option, "print-jna")) {
+ mode = PrintJna;
+ } else if (streq(option, "jna-limit")) {
+ ++i;
+ if (i >= argc) {
+ fprintf(stderr, "error: "
+ "expected argument after '--jna-limit'\n");
+ argument_errors = true;
+ break;
}
- if(ver.build[0] != 0) {
- putchar(' ');
- fputs(ver.build, stdout);
+ jna_limit_output(argv[i]);
+ } else if (streq(option, "jna-libname")) {
+ ++i;
+ if (i >= argc) {
+ fprintf(stderr, "error: "
+ "expected argument after '--jna-libname'\n");
+ argument_errors = true;
+ break;
}
- puts(")\n");
- exit(EXIT_SUCCESS);
- } else if(strcmp(option, "dump-function") == 0) {
+ jna_set_libname(argv[i]);
+ } else if (streq(option, "time")) {
+ do_timing = true;
+ } else if (streq(option, "version")) {
+ print_cparser_version();
+ return EXIT_SUCCESS;
+ } else if (streq(option, "help")) {
+ help |= HELP_BASIC;
+ } else if (streq(option, "help-parser")) {
+ help |= HELP_PARSER;
+ } else if (streq(option, "help-warnings")) {
+ help |= HELP_WARNINGS;
+ } else if (streq(option, "help-codegen")) {
+ help |= HELP_CODEGEN;
+ } else if (streq(option, "help-linker")) {
+ help |= HELP_LINKER;
+ } else if (streq(option, "help-optimization")) {
+ help |= HELP_OPTIMIZATION;
+ } else if (streq(option, "help-language-tools")) {
+ help |= HELP_LANGUAGETOOLS;
+ } else if (streq(option, "help-debug")) {
+ help |= HELP_DEBUG;
+ } else if (streq(option, "help-firm")) {
+ help |= HELP_FIRM;
+ } else if (streq(option, "help-all")) {
+ help |= HELP_ALL;
+ } else if (streq(option, "dump-function")) {
++i;
- if(i >= argc) {
+ if (i >= argc) {
fprintf(stderr, "error: "
"expected argument after '--dump-function'\n");
argument_errors = true;
}
dumpfunction = argv[i];
mode = CompileDump;
+ } else if (streq(option, "export-ir")) {
+ mode = CompileExportIR;
} else {
fprintf(stderr, "error: unknown argument '%s'\n", arg);
argument_errors = true;
argument_errors = true;
}
} else {
- if(input != NULL) {
- fprintf(stderr, "error: multiple input files specified\n");
- argument_errors = true;
+ filetype_t type = forced_filetype;
+ if (type == FILETYPE_AUTODETECT) {
+ if (streq(arg, "-")) {
+ /* - implicitly means C source file */
+ type = FILETYPE_C;
+ } else {
+ const char *suffix = strrchr(arg, '.');
+ /* Ensure there is at least one char before the suffix */
+ if (suffix != NULL && suffix != arg) {
+ ++suffix;
+ type =
+ streq(suffix, "S") ? FILETYPE_ASSEMBLER :
+ streq(suffix, "a") ? FILETYPE_OBJECT :
+ streq(suffix, "c") ? FILETYPE_C :
+ streq(suffix, "i") ? FILETYPE_PREPROCESSED_C :
+ streq(suffix, "C") ? FILETYPE_CXX :
+ streq(suffix, "cc") ? FILETYPE_CXX :
+ streq(suffix, "cp") ? FILETYPE_CXX :
+ streq(suffix, "cpp") ? FILETYPE_CXX :
+ streq(suffix, "CPP") ? FILETYPE_CXX :
+ streq(suffix, "cxx") ? FILETYPE_CXX :
+ streq(suffix, "c++") ? FILETYPE_CXX :
+ streq(suffix, "ii") ? FILETYPE_PREPROCESSED_CXX :
+ streq(suffix, "h") ? FILETYPE_C :
+ streq(suffix, "ir") ? FILETYPE_IR :
+ streq(suffix, "o") ? FILETYPE_OBJECT :
+ streq(suffix, "s") ? FILETYPE_PREPROCESSED_ASSEMBLER :
+ streq(suffix, "so") ? FILETYPE_OBJECT :
+ FILETYPE_OBJECT; /* gcc behavior: unknown file extension means object file */
+ }
+ }
+ }
+
+ 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;
}
}
- /* we do the lowering in ast2firm */
- firm_opt.lower_bitfields = FALSE;
-
- if(help_displayed) {
+ if (help != HELP_NONE) {
+ print_help(argv[0], help);
return !argument_errors;
}
- if(argument_errors) {
+
+ if (print_file_name_file != NULL) {
+ print_file_name(print_file_name_file);
+ return EXIT_SUCCESS;
+ }
+ if (files == NULL) {
+ fprintf(stderr, "error: no input files specified\n");
+ argument_errors = true;
+ }
+
+ if (argument_errors) {
usage(argv[0]);
- return 1;
+ return EXIT_FAILURE;
+ }
+
+ /* apply some effects from switches */
+ c_mode |= features_on;
+ c_mode &= ~features_off;
+ if (profile_generate) {
+ add_flag(&ldflags_obst, "-lfirmprof");
+ set_be_option("profilegenerate");
+ }
+ if (profile_use) {
+ set_be_option("profileuse");
}
gen_firm_init();
init_symbol_table();
- init_tokens();
- init_types();
+ init_types_and_adjust();
init_typehash();
init_basic_types();
+ if (wchar_atomic_kind == ATOMIC_TYPE_INT)
+ init_wchar_types(type_int);
+ else if (wchar_atomic_kind == ATOMIC_TYPE_SHORT)
+ init_wchar_types(type_short);
+ else
+ panic("unexpected wchar type");
init_lexer();
init_ast();
init_parser();
init_ast2firm();
+ init_mangle();
+
+ if (do_timing)
+ timer_init();
+
+ if (construct_dep_target) {
+ if (outname != 0 && strlen(outname) >= 2) {
+ get_output_name(dep_target, sizeof(dep_target), outname, ".d");
+ } else {
+ get_output_name(dep_target, sizeof(dep_target), files->name, ".d");
+ }
+ } else {
+ dep_target[0] = '\0';
+ }
+
+ char outnamebuf[4096];
+ if (outname == NULL) {
+ const char *filename = files->name;
- FILE *out = NULL;
- char outnamebuf[4096];
- if(outname == NULL) {
switch(mode) {
case BenchmarkParser:
case PrintAst:
case PrintFluffy:
+ case PrintJna:
case LexTest:
- if(outname == NULL)
- outname = "-";
- break;
+ case PreprocessOnly:
case ParseOnly:
+ outname = "-";
break;
case Compile:
- get_output_name(outnamebuf, sizeof(outnamebuf), input, ".s");
+ get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".s");
outname = outnamebuf;
break;
case CompileAssemble:
- get_output_name(outnamebuf, sizeof(outnamebuf), input, ".o");
+ get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".o");
outname = outnamebuf;
break;
case CompileDump:
".vcg");
outname = outnamebuf;
break;
+ case CompileExportIR:
+ get_output_name(outnamebuf, sizeof(outnamebuf), filename, ".ir");
+ outname = outnamebuf;
+ break;
case CompileAssembleLink:
+#ifdef _WIN32
+ outname = "a.exe";
+#else
outname = "a.out";
+#endif
break;
}
}
- if(outname != NULL) {
- 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;
- }
- }
- }
+ assert(outname != NULL);
- FILE *in;
- if(input == NULL) {
- fprintf(stderr, "%s: no input files\n", argv[0]);
- return 1;
- } else if(strcmp(input, "-") == 0) {
- in = stdin;
- input = "<stdin>";
+ FILE *out;
+ if (streq(outname, "-")) {
+ out = stdout;
} else {
- in = fopen(input, "r");
- if(in == NULL) {
- fprintf(stderr, "Couldn't open '%s': %s\n", input, strerror(errno));
- return 1;
+ out = fopen(outname, "w");
+ if (out == NULL) {
+ fprintf(stderr, "Could not open '%s' for writing: %s\n", outname,
+ strerror(errno));
+ return EXIT_FAILURE;
}
}
- if(mode == LexTest) {
- lextest(in, input);
- fclose(in);
- return 0;
- }
+ file_list_entry_t *file;
+ bool already_constructed_firm = false;
+ for (file = files; file != NULL; file = file->next) {
+ char asm_tempfile[1024];
+ const char *filename = file->name;
+ filetype_t filetype = file->type;
- FILE *preprocessed_in = preprocess(in, input);
- translation_unit_t *const unit = do_parsing(preprocessed_in, input);
- int res = pclose(preprocessed_in);
- if(res != 0) {
- return res;
- }
+ if (filetype == FILETYPE_OBJECT)
+ continue;
- 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;
- } else if(warning_count > 0) {
- fprintf(stderr, "%u warning(s)\n", warning_count);
- }
+ FILE *in = NULL;
+ if (mode == LexTest) {
+ if (in == NULL)
+ in = open_file(filename);
+ lextest(in, filename);
+ fclose(in);
+ return EXIT_SUCCESS;
+ }
- if(mode == BenchmarkParser) {
- return result;
- }
+ FILE *preprocessed_in = NULL;
+ filetype_t next_filetype = filetype;
+ switch (filetype) {
+ case FILETYPE_C:
+ next_filetype = FILETYPE_PREPROCESSED_C;
+ goto preprocess;
+ case FILETYPE_CXX:
+ next_filetype = FILETYPE_PREPROCESSED_CXX;
+ goto preprocess;
+ case FILETYPE_ASSEMBLER:
+ next_filetype = FILETYPE_PREPROCESSED_ASSEMBLER;
+ goto preprocess;
+preprocess:
+ /* no support for input on FILE* yet */
+ if (in != NULL)
+ panic("internal compiler error: in for preprocessor != NULL");
+
+ preprocessed_in = preprocess(filename, filetype);
+ if (mode == PreprocessOnly) {
+ copy_file(out, preprocessed_in);
+ int pp_result = pclose(preprocessed_in);
+ fclose(out);
+ /* remove output file in case of error */
+ if (out != stdout && pp_result != EXIT_SUCCESS) {
+ unlink(outname);
+ }
+ return pp_result;
+ }
- /* prints the AST even if errors occurred */
- if(mode == PrintAst) {
- type_set_output(out);
- ast_set_output(out);
- print_ast(unit);
- return result;
- }
+ in = preprocessed_in;
+ filetype = next_filetype;
+ break;
- /* cannot handle other modes with errors */
- if(result != EXIT_SUCCESS)
- return result;
+ default:
+ break;
+ }
- if(mode == PrintFluffy) {
- type_set_output(out);
- ast_set_output(out);
- write_fluffy_decls(out, unit);
- }
+ FILE *asm_out;
+ if (mode == Compile) {
+ asm_out = out;
+ } else {
+ asm_out = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "ccs");
+ }
- translation_unit_to_firm(unit);
+ if (in == NULL)
+ in = open_file(filename);
+
+ /* preprocess and compile */
+ if (filetype == FILETYPE_PREPROCESSED_C) {
+ char const* invalid_mode;
+ switch (standard) {
+ case STANDARD_ANSI:
+ case STANDARD_C89: c_mode = _C89; break;
+ /* TODO determine difference between these two */
+ case STANDARD_C90: c_mode = _C89; break;
+ case STANDARD_C99: c_mode = _C89 | _C99; break;
+ case STANDARD_GNU89: c_mode = _C89 | _GNUC; break;
+
+default_c_warn:
+ fprintf(stderr,
+ "warning: command line option \"-std=%s\" is not valid for C\n",
+ invalid_mode);
+ /* FALLTHROUGH */
+ case STANDARD_DEFAULT:
+ case STANDARD_GNU99: c_mode = _C89 | _C99 | _GNUC; break;
+
+ case STANDARD_CXX98: invalid_mode = "c++98"; goto default_c_warn;
+ case STANDARD_GNUXX98: invalid_mode = "gnu98"; goto default_c_warn;
+ }
+ goto do_parsing;
+ } else if (filetype == FILETYPE_PREPROCESSED_CXX) {
+ char const* invalid_mode;
+ switch (standard) {
+ case STANDARD_C89: invalid_mode = "c89"; goto default_cxx_warn;
+ case STANDARD_C90: invalid_mode = "c90"; goto default_cxx_warn;
+ case STANDARD_C99: invalid_mode = "c99"; goto default_cxx_warn;
+ case STANDARD_GNU89: invalid_mode = "gnu89"; goto default_cxx_warn;
+ case STANDARD_GNU99: invalid_mode = "gnu99"; goto default_cxx_warn;
+
+ case STANDARD_ANSI:
+ case STANDARD_CXX98: c_mode = _CXX; break;
+
+default_cxx_warn:
+ fprintf(stderr,
+ "warning: command line option \"-std=%s\" is not valid for C++\n",
+ invalid_mode);
+ case STANDARD_DEFAULT:
+ case STANDARD_GNUXX98: c_mode = _CXX | _GNUC; break;
+ }
- if(mode == ParseOnly) {
- return 0;
- }
+do_parsing:
+ c_mode |= features_on;
+ c_mode &= ~features_off;
+
+ /* do the actual parsing */
+ ir_timer_t *t_parsing = ir_timer_new();
+ timer_register(t_parsing, "Frontend: Parsing");
+ timer_push(t_parsing);
+ init_tokens();
+ translation_unit_t *const unit = do_parsing(in, filename);
+ timer_pop(t_parsing);
+
+ /* prints the AST even if errors occurred */
+ if (mode == PrintAst) {
+ print_to_file(out);
+ print_ast(unit);
+ }
- FILE *asm_out;
- char asm_tempfile[1024];
- if(mode == CompileDump) {
- asm_out = NULL;
- firm_be_opt.selection = BE_NONE;
- } else if(mode == Compile) {
- asm_out = out;
- } else {
- asm_out
- = make_temp_file(asm_tempfile, sizeof(asm_tempfile), "cc", ".s");
- }
- gen_firm_finish(asm_out, input, /*c_mode=*/1, /*firm_const_exists=*/0);
-
- 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 (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 (in == preprocessed_in) {
+ int pp_result = pclose(preprocessed_in);
+ if (pp_result != EXIT_SUCCESS) {
+ /* remove output file */
+ if (out != stdout)
+ unlink(outname);
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (mode == BenchmarkParser) {
+ return result;
+ } else if (mode == PrintFluffy) {
+ write_fluffy_decls(out, unit);
+ continue;
+ } else if (mode == PrintJna) {
+ write_jna_decls(out, unit);
+ continue;
+ }
+
+ /* build the firm graph */
+ ir_timer_t *t_construct = ir_timer_new();
+ timer_register(t_construct, "Frontend: Graph construction");
+ timer_push(t_construct);
+ if (already_constructed_firm) {
+ panic("compiling multiple files/translation units not possible");
+ }
+ translation_unit_to_firm(unit);
+ already_constructed_firm = true;
+ timer_pop(t_construct);
+
+graph_built:
+ 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);
+ return EXIT_FAILURE;
+ }
+
+ dump_ir_graph_file(out, irg);
+ fclose(out);
+ return EXIT_SUCCESS;
+ }
+
+ if (mode == CompileExportIR) {
+ fclose(out);
+ ir_export(outname);
+ return EXIT_SUCCESS;
+ }
+
+ gen_firm_finish(asm_out, filename);
+ if (asm_out != out) {
+ fclose(asm_out);
+ }
+ } else if (filetype == FILETYPE_IR) {
+ fclose(in);
+ ir_import(filename);
+ goto graph_built;
+ } 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) {
+ /* remove output in error case */
+ if (out != stdout)
+ unlink(outname);
+ return pp_result;
+ }
+ }
+ if (asm_out != out) {
+ fclose(asm_out);
}
}
- if(irg == NULL) {
- fprintf(stderr, "No graph for function '%s' found\n", dumpfunction);
- return 1;
+ 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;
}
- dump_ir_block_graph_file(irg, out);
- fclose(out);
- return 0;
+ /* ok we're done here, process next file */
+ file->name = filename;
+ file->type = filetype;
}
- fclose(asm_out);
+ if (result != EXIT_SUCCESS) {
+ if (out != stdout)
+ unlink(outname);
+ return result;
+ }
+
+ /* link program file */
+ if (mode == CompileAssembleLink) {
+ obstack_1grow(&ldflags_obst, '\0');
+ const char *flags = obstack_finish(&ldflags_obst);
- /* assemble assembler and create object file */
- char obj_tfile[1024];
- if(mode == CompileAssemble || mode == CompileAssembleLink) {
- const char *obj_outfile;
- if(mode == CompileAssemble) {
- fclose(out);
- obj_outfile = outname;
+ /* construct commandline */
+ const char *linker = getenv("CPARSER_LINK");
+ if (linker != NULL) {
+ obstack_printf(&file_obst, "%s ", linker);
} else {
- FILE *tempf
- = make_temp_file(obj_tfile, sizeof(obj_tfile), "cc", ".o");
- fclose(tempf);
- obj_outfile = obj_tfile;
+ if (target_triple != NULL)
+ obstack_printf(&file_obst, "%s-", target_triple);
+ obstack_printf(&file_obst, "%s ", LINKER);
}
- assemble(obj_outfile, asm_tempfile);
- }
+ 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);
+ }
+
+ 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 object file */
- if(mode == CompileAssembleLink) {
- do_link(outname, obj_tfile);
+ if (verbose) {
+ puts(commandline);
+ }
+ int err = system(commandline);
+ if (err != EXIT_SUCCESS) {
+ fprintf(stderr, "linker reported an error\n");
+ return EXIT_FAILURE;
+ }
}
+ if (do_timing)
+ timer_term(stderr);
+
obstack_free(&cppflags_obst, NULL);
obstack_free(&ldflags_obst, NULL);
+ obstack_free(&asflags_obst, NULL);
+ obstack_free(&file_obst, NULL);
+ exit_mangle();
exit_ast2firm();
exit_parser();
exit_ast();
exit_types();
exit_tokens();
exit_symbol_table();
- return 0;
+ return EXIT_SUCCESS;
}
projects / cparser / blobdiff