/* Specific flags and argument handling of the C preprocessor.
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2007, 2010 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#include "config.h"
#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
#include "gcc.h"
+#include "opts.h"
/* The `cpp' executable installed in $(bindir) and $(cpp_install_dir)
is a customized version of the gcc driver. It forces -E; -S and -c
assume the user knows what they're doing. If no explicit input is
mentioned, it will read stdin. */
-/* Snarfed from gcc.c: */
-
-/* This defines which switch letters take arguments. */
-
-#define DEFAULT_SWITCH_TAKES_ARG(CHAR) \
- ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \
- || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \
- || (CHAR) == 'I' || (CHAR) == 'm' || (CHAR) == 'x' \
- || (CHAR) == 'L' || (CHAR) == 'A' || (CHAR) == 'V' \
- || (CHAR) == 'B' || (CHAR) == 'b')
-
-#ifndef SWITCH_TAKES_ARG
-#define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR)
-#endif
-
-/* This defines which multi-letter switches take arguments. */
-
-#define DEFAULT_WORD_SWITCH_TAKES_ARG(STR) \
- (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \
- || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \
- || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \
- || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \
- || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \
- || !strcmp (STR, "isystem") || !strcmp (STR, "specs") \
- || !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ"))
-
-#ifndef WORD_SWITCH_TAKES_ARG
-#define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR)
-#endif
-
/* Suffixes for known sorts of input files. Note that we do not list
files which are normally considered to have been preprocessed already,
since the user's expectation is that `cpp' always preprocesses. */
{
".c", ".C", ".S", ".m",
".cc", ".cxx", ".cpp", ".cp", ".c++",
+ ".sx",
NULL
};
-/* Filter argc and argv before processing by the gcc driver proper. */
+/* Filter the command line before processing by the gcc driver proper. */
void
-lang_specific_driver (in_argc, in_argv, in_added_libraries)
- int *in_argc;
- const char *const **in_argv;
- int *in_added_libraries ATTRIBUTE_UNUSED;
+lang_specific_driver (struct cl_decoded_option **in_decoded_options,
+ unsigned int *in_decoded_options_count,
+ int *in_added_libraries ATTRIBUTE_UNUSED)
{
- int argc = *in_argc;
- const char *const *argv = *in_argv;
+ struct cl_decoded_option *decoded_options = *in_decoded_options;
+ unsigned int argc = *in_decoded_options_count;
/* Do we need to read stdin? */
int read_stdin = 1;
/* Do we need to insert -E? */
int need_E = 1;
- /* Do we need to insert -no-gcc? */
- int need_no_gcc = 1;
-
/* Have we seen an input file? */
int seen_input = 0;
-
+
/* Positions to insert -xc, -xassembler-with-cpp, and -o, if necessary.
0 means unnecessary. */
- int lang_c_here = 0;
- int lang_S_here = 0;
- int o_here = 0;
+ unsigned int lang_c_here = 0;
+ unsigned int lang_S_here = 0;
+ unsigned int o_here = 0;
/* Do we need to fix up an input file with an unrecognized suffix? */
int need_fixups = 1;
-
- int i, j, quote = 0;
- const char **new_argv;
- int new_argc;
+
+ unsigned int i, j;
+ struct cl_decoded_option *new_decoded_options;
+ unsigned int new_argc;
extern int is_cpp_driver;
is_cpp_driver = 1;
the output file. If we see a third input file, barf. */
for (i = 1; i < argc; i++)
{
- if (quote == 1)
- {
- quote = 0;
- continue;
- }
-
- if (argv[i][0] == '-')
+ switch (decoded_options[i].opt_index)
{
- if (argv[i][1] == '\0')
- read_stdin = 0;
- else if (argv[i][2] == '\0')
- {
- if (argv[i][1] == 'E')
- need_E = 0;
- else if (argv[i][1] == 'S' || argv[i][1] == 'c')
- {
- fatal ("\"%s\" is not a valid option to the preprocessor",
- argv[i]);
- return;
- }
- else if (argv[i][1] == 'x')
- {
- need_fixups = 0;
- quote = 1;
- }
- else if (SWITCH_TAKES_ARG (argv[i][1]))
- quote = 1;
- }
- else if (argv[i][1] == 'x')
- need_fixups = 0;
- else if (argv[i][1] == 'g' && !strcmp(&argv[i][2], "cc"))
- need_no_gcc = 0;
- else if (WORD_SWITCH_TAKES_ARG (&argv[i][1]))
- quote = 1;
- }
- else /* not an option */
- {
- seen_input++;
- if (seen_input == 3)
- {
- fatal ("too many input files");
- return;
- }
- else if (seen_input == 2)
- {
- o_here = i;
- }
- else
- {
+ case OPT_E:
+ need_E = 0;
+ break;
+
+ case OPT_S:
+ case OPT_c:
+ fatal_error ("%qs is not a valid option to the preprocessor",
+ decoded_options[i].orig_option_with_args_text);
+ return;
+
+ case OPT_x:
+ need_fixups = 0;
+ break;
+
+ case OPT_SPECIAL_input_file:
+ {
+ const char *file = decoded_options[i].arg;
+
+ if (strcmp (file, "-") == 0)
read_stdin = 0;
- if (need_fixups)
- {
- int l = strlen (argv[i]);
- int known = 0;
- const char *const *suff;
-
- for (suff = known_suffixes; *suff; suff++)
- if (!strcmp (*suff, &argv[i][l - strlen(*suff)]))
+ else
+ {
+ seen_input++;
+ if (seen_input == 3)
+ {
+ fatal_error ("too many input files");
+ return;
+ }
+ else if (seen_input == 2)
+ {
+ o_here = i;
+ }
+ else
+ {
+ read_stdin = 0;
+ if (need_fixups)
{
- known = 1;
- break;
+ int l = strlen (file);
+ int known = 0;
+ const char *const *suff;
+
+ for (suff = known_suffixes; *suff; suff++)
+ if (!strcmp (*suff, &file[l - strlen(*suff)]))
+ {
+ known = 1;
+ break;
+ }
+
+ if (! known)
+ {
+ /* .s files are a special case; we have to
+ treat them like .S files so
+ -D__ASSEMBLER__ will be in effect. */
+ if (!strcmp (".s", &file[l - 2]))
+ lang_S_here = i;
+ else
+ lang_c_here = i;
+ }
}
-
- if (! known)
- {
- /* .s files are a special case; we have to treat
- them like .S files so -D__ASSEMBLER__ will be
- in effect. */
- if (!strcmp (".s", &argv[i][l - 2]))
- lang_S_here = i;
- else
- lang_c_here = i;
- }
- }
- }
+ }
+ }
+ }
+ break;
}
}
/* If we don't need to edit the command line, we can bail early. */
- new_argc = argc + need_E + need_no_gcc + read_stdin
- + !!o_here + !!lang_c_here + !!lang_S_here;
+ new_argc = argc + need_E + read_stdin + !!lang_c_here + !!lang_S_here;
- if (new_argc == argc)
+ if (new_argc == argc && !o_here)
return;
- /* One more slot for a terminating null. */
- new_argv = (const char **) xmalloc ((new_argc + 1) * sizeof(char *));
+ new_decoded_options = XNEWVEC (struct cl_decoded_option, new_argc);
- new_argv[0] = argv[0];
+ new_decoded_options[0] = new_decoded_options[0];
j = 1;
if (need_E)
- new_argv[j++] = "-E";
-
- if (need_no_gcc)
- new_argv[j++] = "-no-gcc";
+ generate_option (OPT_E, NULL, 1, CL_DRIVER, &new_decoded_options[j++]);
for (i = 1; i < argc; i++, j++)
{
if (i == lang_c_here)
- new_argv[j++] = "-xc";
+ generate_option (OPT_x, "c", 1, CL_DRIVER, &new_decoded_options[j++]);
else if (i == lang_S_here)
- new_argv[j++] = "-xassembler-with-cpp";
+ generate_option (OPT_x, "assembler-with-cpp", 1, CL_DRIVER,
+ &new_decoded_options[j++]);
else if (i == o_here)
- new_argv[j++] = "-o";
+ {
+ generate_option (OPT_o, decoded_options[i].arg, 1, CL_DRIVER,
+ &new_decoded_options[j]);
+ continue;
+ }
- new_argv[j] = argv[i];
+ new_decoded_options[j] = decoded_options[i];
}
if (read_stdin)
- new_argv[j++] = "-";
+ generate_option_input_file ("-", &new_decoded_options[j++]);
- new_argv[j] = NULL;
- *in_argc = new_argc;
- *in_argv = new_argv;
-}
+ *in_decoded_options_count = new_argc;
+ *in_decoded_options = new_decoded_options;
+}
/* Called before linking. Returns 0 on success and -1 on failure. */
-int lang_specific_pre_link ()
+int lang_specific_pre_link (void)
{
return 0; /* Not used for cpp. */
}