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Diffstat (limited to 'contrib/gcc/cppspec.c')
| -rw-r--r-- | contrib/gcc/cppspec.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/contrib/gcc/cppspec.c b/contrib/gcc/cppspec.c deleted file mode 100644 index 2e0221626e32..000000000000 --- a/contrib/gcc/cppspec.c +++ /dev/null @@ -1,234 +0,0 @@ -/* Specific flags and argument handling of the C preprocessor. - Copyright (C) 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC 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. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#include "config.h" -#include "system.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. */ - -/* 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")) - -#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 (errfn, in_argc, in_argv, in_added_libraries) - void (*errfn) PVPROTO((const char *, ...)); - int *in_argc; - char ***in_argv; - int *in_added_libraries ATTRIBUTE_UNUSED; -{ - int argc = *in_argc; - char **argv = *in_argv; - - /* 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; - - /* Do we need to fix up an input file with an unrecognized suffix? */ - int need_fixups = 1; - - int i, j, quote; - char **new_argv; - int new_argc; - - /* 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') - { - (*errfn) ("`%s' is not a legal 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) - { - (*errfn) ("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 + need_no_gcc + read_stdin - + !!o_here + !!lang_c_here + !!lang_S_here; - - if (new_argc == argc) - return; - - new_argv = xmalloc (new_argc * sizeof(char *)); - - new_argv[0] = argv[0]; - j = 1; - - if (need_E) - new_argv[j++] = "-E"; - - if (need_no_gcc) - new_argv[j++] = "-no-gcc"; - - 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] = "-"; - - *in_argc = new_argc; - *in_argv = new_argv; -} - -/* Called before linking. Returns 0 on success and -1 on failure. */ -int lang_specific_pre_link () -{ - 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. */ |