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Diffstat (limited to 'gcc/cppspec.c')
| -rw-r--r-- | gcc/cppspec.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/gcc/cppspec.c b/gcc/cppspec.c deleted file mode 100644 index c9ff70e..0000000 --- a/gcc/cppspec.c +++ /dev/null @@ -1,198 +0,0 @@ -/* Specific flags and argument handling of the C preprocessor. - Copyright (C) 1999, 2007, 2010, 2011 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 3, or (at your option) any later -version. - -GCC 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 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 - are errors. It defaults to -x c for files with unrecognized - extensions, unless -x options appear in argv, in which case we - assume the user knows what they're doing. If no explicit input is - mentioned, it will read stdin. */ - -/* 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. */ -static const char *const known_suffixes[] = -{ - ".c", ".C", ".S", ".m", - ".cc", ".cxx", ".cpp", ".cp", ".c++", - ".sx", - NULL -}; - -/* Filter the command line before processing by the gcc driver proper. */ -void -lang_specific_driver (struct cl_decoded_option **in_decoded_options, - unsigned int *in_decoded_options_count, - int *in_added_libraries ATTRIBUTE_UNUSED) -{ - 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; - - /* Have we seen an input file? */ - int seen_input = 0; - - /* Positions to insert -xc, -xassembler-with-cpp, and -o, if necessary. - 0 means unnecessary. */ - 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; - - unsigned int i, j; - struct cl_decoded_option *new_decoded_options; - unsigned int new_argc; - extern int is_cpp_driver; - - is_cpp_driver = 1; - - /* First pass. If we see an -S or -c, barf. If we see an input file, - turn off read_stdin. If we see a second input file, it is actually - the output file. If we see a third input file, barf. */ - for (i = 1; i < argc; i++) - { - switch (decoded_options[i].opt_index) - { - 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; - 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) - { - 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; - } - } - } - } - } - break; - } - } - - /* If we don't need to edit the command line, we can bail early. */ - - new_argc = argc + need_E + read_stdin + !!lang_c_here + !!lang_S_here; - - if (new_argc == argc && !o_here) - return; - - new_decoded_options = XNEWVEC (struct cl_decoded_option, new_argc); - - new_decoded_options[0] = decoded_options[0]; - j = 1; - - if (need_E) - generate_option (OPT_E, NULL, 1, CL_DRIVER, &new_decoded_options[j++]); - - for (i = 1; i < argc; i++, j++) - { - if (i == lang_c_here) - generate_option (OPT_x, "c", 1, CL_DRIVER, &new_decoded_options[j++]); - else if (i == lang_S_here) - generate_option (OPT_x, "assembler-with-cpp", 1, CL_DRIVER, - &new_decoded_options[j++]); - else if (i == o_here) - { - generate_option (OPT_o, decoded_options[i].arg, 1, CL_DRIVER, - &new_decoded_options[j]); - continue; - } - - new_decoded_options[j] = decoded_options[i]; - } - - if (read_stdin) - generate_option_input_file ("-", &new_decoded_options[j++]); - - *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 (void) -{ - return 0; /* Not used for cpp. */ -} - -/* Number of extra output files that lang_specific_pre_link may generate. */ -int lang_specific_extra_outfiles = 0; /* Not used for cpp. */ |