diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/cppspec.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/cppspec.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/cppspec.c b/gcc-4.2.1-5666.3/gcc/cppspec.c deleted file mode 100644 index 98b7ffb60..000000000 --- a/gcc-4.2.1-5666.3/gcc/cppspec.c +++ /dev/null @@ -1,210 +0,0 @@ -/* Specific flags and argument handling of the C preprocessor. - Copyright (C) 1999 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 -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 COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include "tm.h" -#include "gcc.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. */ - -#ifndef SWITCH_TAKES_ARG -#define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR) -#endif - -#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. */ -static const char *const known_suffixes[] = -{ - ".c", ".C", ".S", ".m", - ".cc", ".cxx", ".cpp", ".cp", ".c++", - NULL -}; - -/* Filter argc and argv before processing by the gcc driver proper. */ -void -lang_specific_driver (int *in_argc, const char *const **in_argv, - int *in_added_libraries ATTRIBUTE_UNUSED) -{ - int argc = *in_argc; - const char *const *argv = *in_argv; - - /* 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. */ - int lang_c_here = 0; - int lang_S_here = 0; - 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; - 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++) - { - if (quote == 1) - { - quote = 0; - continue; - } - - if (argv[i][0] == '-') - { - 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 (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 - { - 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)])) - { - 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", &argv[i][l - 2])) - lang_S_here = i; - else - lang_c_here = i; - } - } - } - } - } - - /* If we don't need to edit the command line, we can bail early. */ - - new_argc = argc + need_E + read_stdin - + !!o_here + !!lang_c_here + !!lang_S_here; - - if (new_argc == argc) - return; - - /* One more slot for a terminating null. */ - new_argv = XNEWVEC (const char *, new_argc + 1); - - new_argv[0] = argv[0]; - j = 1; - - if (need_E) - new_argv[j++] = "-E"; - - for (i = 1; i < argc; i++, j++) - { - if (i == lang_c_here) - new_argv[j++] = "-xc"; - else if (i == lang_S_here) - new_argv[j++] = "-xassembler-with-cpp"; - else if (i == o_here) - new_argv[j++] = "-o"; - - new_argv[j] = argv[i]; - } - - if (read_stdin) - new_argv[j++] = "-"; - - new_argv[j] = NULL; - *in_argc = new_argc; - *in_argv = new_argv; -} - -/* 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. */ |