| /* Compiler handling for plugin |
| Copyright (C) 2014-2021 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 <cc1plugin-config.h> |
| #include <string> |
| #include <sstream> |
| #include "libiberty.h" |
| #include "compiler.hh" |
| #include "xregex.h" |
| #include "findcomp.hh" |
| #include "intl.h" |
| |
| // Construct an appropriate regexp to match the compiler name. |
| static std::string |
| make_regexp (const std::string &triplet_regexp, const char *compiler) |
| { |
| std::stringstream buf; |
| |
| buf << "^" << triplet_regexp << "-"; |
| |
| // Quote the compiler name in case it has something funny in it. |
| for (const char *p = compiler; *p; ++p) |
| { |
| switch (*p) |
| { |
| case '.': |
| case '^': |
| case '$': |
| case '*': |
| case '+': |
| case '?': |
| case '(': |
| case ')': |
| case '[': |
| case '{': |
| case '\\': |
| case '|': |
| buf << '\\'; |
| break; |
| } |
| buf << *p; |
| } |
| buf << "$"; |
| |
| return buf.str (); |
| } |
| |
| char * |
| cc1_plugin::compiler::find (const char *, std::string &) const |
| { |
| return xstrdup (_("Compiler has not been specified")); |
| } |
| |
| char * |
| cc1_plugin::compiler_triplet_regexp::find (const char *base, |
| std::string &compiler) const |
| { |
| std::string rx = make_regexp (triplet_regexp_, base); |
| if (verbose) |
| fprintf (stderr, _("searching for compiler matching regex %s\n"), |
| rx.c_str()); |
| regex_t triplet; |
| int code = regcomp (&triplet, rx.c_str (), REG_EXTENDED | REG_NOSUB); |
| if (code != 0) |
| { |
| size_t len = regerror (code, &triplet, NULL, 0); |
| char err[len]; |
| |
| regerror (code, &triplet, err, len); |
| |
| return concat ("Could not compile regexp \"", |
| rx.c_str (), |
| "\": ", |
| err, |
| (char *) NULL); |
| } |
| |
| if (!find_compiler (triplet, &compiler)) |
| { |
| regfree (&triplet); |
| return concat ("Could not find a compiler matching \"", |
| rx.c_str (), |
| "\"", |
| (char *) NULL); |
| } |
| regfree (&triplet); |
| if (verbose) |
| fprintf (stderr, _("found compiler %s\n"), compiler.c_str()); |
| return NULL; |
| } |
| |
| char * |
| cc1_plugin::compiler_driver_filename::find (const char *, |
| std::string &compiler) const |
| { |
| // Simulate fnotice by fprintf. |
| if (verbose) |
| fprintf (stderr, _("using explicit compiler filename %s\n"), |
| driver_filename_.c_str()); |
| compiler = driver_filename_; |
| return NULL; |
| } |