/* C/ObjC/C++ command line option handling.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Neil Booth.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#include "config.h"
#include "system.h"
/* Number of deferred options scanned for -include. */
static size_t include_cursor;
-/* Permit Fortran front-end options. */
-static bool permit_fortran_options;
-
static void set_Wimplicit (int);
static void handle_OPT_d (const char *);
static void set_std_cxx98 (int);
/* Common initialization before parsing options. */
unsigned int
-c_common_init_options (unsigned int argc, const char ** ARG_UNUSED (argv))
+c_common_init_options (unsigned int argc, const char **argv)
{
static const unsigned int lang_flags[] = {CL_C, CL_ObjC, CL_CXX, CL_ObjCXX};
- unsigned int result;
+ unsigned int i, result;
/* This is conditionalized only because that is the way the front
ends used to do it. Maybe this should be unconditional? */
result = lang_flags[c_language];
- /* If potentially preprocessing Fortran we have to accept its front
- end options since the driver passes most of them through. */
-#ifdef CL_F77
- if (c_language == clk_c && argc > 2
- && !strcmp (argv[2], "-traditional-cpp" ))
+ if (c_language == clk_c)
{
- permit_fortran_options = true;
- result |= CL_F77;
+ /* If preprocessing assembly language, accept any of the C-family
+ front end options since the driver may pass them through. */
+ for (i = 1; i < argc; i++)
+ if (! strcmp (argv[i], "-lang-asm"))
+ {
+ result |= CL_C | CL_ObjC | CL_CXX | CL_ObjCXX;
+ break;
+ }
}
-#endif
return result;
}
default:
if (cl_options[code].flags & (CL_C | CL_CXX | CL_ObjC | CL_ObjCXX))
break;
- result = permit_fortran_options;
+ result = 0;
break;
case OPT__output_pch_:
cpp_opts->warn_multichar = value;
break;
+ case OPT_Wnormalized_:
+ if (!value || (arg && strcasecmp (arg, "none") == 0))
+ cpp_opts->warn_normalize = normalized_none;
+ else if (!arg || strcasecmp (arg, "nfkc") == 0)
+ cpp_opts->warn_normalize = normalized_KC;
+ else if (strcasecmp (arg, "id") == 0)
+ cpp_opts->warn_normalize = normalized_identifier_C;
+ else if (strcasecmp (arg, "nfc") == 0)
+ cpp_opts->warn_normalize = normalized_C;
+ else
+ error ("argument %qs to %<-Wnormalized%> not recognized", arg);
+ break;
+
case OPT_Wreturn_type:
warn_return_type = value;
break;
+ case OPT_Wstrict_null_sentinel:
+ warn_strict_null_sentinel = value;
+ break;
+
case OPT_Wsystem_headers:
cpp_opts->warn_system_headers = value;
break;
case OPT_fvtable_thunks:
case OPT_fxref:
case OPT_fvtable_gc:
- warning ("switch %qs is no longer supported", option->opt_text);
+ warning (0, "switch %qs is no longer supported", option->opt_text);
break;
case OPT_faccess_control:
case OPT_fsigned_bitfields:
flag_signed_bitfields = value;
- explicit_flag_signed_bitfields = 1;
break;
case OPT_fsigned_char:
case OPT_funsigned_bitfields:
flag_signed_bitfields = !value;
- explicit_flag_signed_bitfields = 1;
break;
case OPT_funsigned_char:
break;
case OPT_fhandle_exceptions:
- warning ("-fhandle-exceptions has been renamed -fexceptions (and is now on by default)");
+ warning (0, "-fhandle-exceptions has been renamed -fexceptions (and is now on by default)");
flag_exceptions = value;
break;
flag_no_nonansi_builtin = !value;
break;
- case OPT_fobjc_exceptions:
- flag_objc_exceptions = value;
- break;
-
- case OPT_fobjc_sjlj_exceptions:
- flag_objc_sjlj_exceptions = value;
- break;
-
case OPT_foperator_names:
cpp_opts->operator_names = value;
break;
print_struct_values = 1;
break;
+ case OPT_print_pch_checksum:
+ c_common_print_pch_checksum (stdout);
+ exit_after_options = true;
+ break;
+
case OPT_remap:
cpp_opts->remap = 1;
break;
if (!flag_no_inline)
flag_no_inline = 1;
if (flag_inline_functions)
- {
- flag_inline_trees = 2;
- flag_inline_functions = 0;
- }
+ flag_inline_trees = 2;
/* If we are given more than one input file, we must use
unit-at-a-time mode. */
/* Special format checking options don't work without -Wformat; warn if
they are used. */
- if (warn_format_y2k && !warn_format)
- warning ("-Wformat-y2k ignored without -Wformat");
- if (warn_format_extra_args && !warn_format)
- warning ("-Wformat-extra-args ignored without -Wformat");
- if (warn_format_zero_length && !warn_format)
- warning ("-Wformat-zero-length ignored without -Wformat");
- if (warn_format_nonliteral && !warn_format)
- warning ("-Wformat-nonliteral ignored without -Wformat");
- if (warn_format_security && !warn_format)
- warning ("-Wformat-security ignored without -Wformat");
- if (warn_missing_format_attribute && !warn_format)
- warning ("-Wmissing-format-attribute ignored without -Wformat");
+ if (!warn_format)
+ {
+ warning (OPT_Wformat_y2k,
+ "-Wformat-y2k ignored without -Wformat");
+ warning (OPT_Wformat_extra_args,
+ "-Wformat-extra-args ignored without -Wformat");
+ warning (OPT_Wformat_zero_length,
+ "-Wformat-zero-length ignored without -Wformat");
+ warning (OPT_Wformat_nonliteral,
+ "-Wformat-nonliteral ignored without -Wformat");
+ warning (OPT_Wformat_security,
+ "-Wformat-security ignored without -Wformat");
+ warning (OPT_Wmissing_format_attribute,
+ "-Wmissing-format-attribute ignored without -Wformat");
+ }
+
+ /* C99 requires special handling of complex multiplication and division;
+ -ffast-math and -fcx-limited-range are handled in process_options. */
+ if (flag_isoc99)
+ flag_complex_method = 2;
if (flag_preprocess_only)
{
are known. */
cpp_init_iconv (parse_in);
+ if (version_flag)
+ c_common_print_pch_checksum (stderr);
+
if (flag_preprocess_only)
{
finish_options ();
yydebug = set_yydebug;
#else
if (set_yydebug)
- warning ("YYDEBUG was not defined at build time, -dy ignored");
+ warning (0, "YYDEBUG was not defined at build time, -dy ignored");
#endif
i = 0;
for (;;)
{
+ /* Start the main input file, if the debug writer wants it. */
+ if (debug_hooks->start_end_main_source_file)
+ (*debug_hooks->start_source_file) (0, this_input_filename);
finish_options ();
pch_init ();
push_file_scope ();
c_parse_file ();
finish_file ();
pop_file_scope ();
-
+ /* And end the main input file, if the debug writer wants it */
+ if (debug_hooks->start_end_main_source_file)
+ (*debug_hooks->end_source_file) (0);
if (++i >= num_in_fnames)
break;
cpp_undef_all (parse_in);
deps_file = spec;
deps_append = 1;
+ deps_seen = true;
}
}
/* Disable -dD, -dN and -dI if normal output is suppressed. Allow
-dM since at least glibc relies on -M -dM to work. */
+ /* Also, flag_no_output implies flag_no_line_commands, always. */
if (flag_no_output)
{
if (flag_dump_macros != 'M')
flag_dump_macros = 0;
flag_dump_includes = 0;
+ flag_no_line_commands = 1;
}
cpp_opts->unsigned_char = !flag_signed_char;
{
size_t i;
- cpp_change_file (parse_in, LC_RENAME, _("<built-in>"));
+ cb_file_change (parse_in,
+ linemap_add (&line_table, LC_RENAME, 0,
+ _("<built-in>"), 0));
+
cpp_init_builtins (parse_in, flag_hosted);
c_cpp_builtins (parse_in);
cpp_opts->warn_unused_macros = warn_unused_macros;
/* Restore the line map from <command line>. */
if (!cpp_opts->preprocessed)
- cpp_change_file (parse_in, LC_RENAME, main_input_filename);
+ cpp_change_file (parse_in, LC_RENAME, this_input_filename);
/* Set this here so the client can change the option if it wishes,
and after stacking the main file so we don't trace the main file. */
cb_dir_change (cpp_reader * ARG_UNUSED (pfile), const char *dir)
{
if (!set_src_pwd (dir))
- warning ("too late for # directive to set debug directory");
+ warning (0, "too late for # directive to set debug directory");
}
/* Set the C 89 standard (with 1994 amendments if C94, without GNU
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