119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
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/* Compiler handling for plugin
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Copyright (C) 2014-2022 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include <cc1plugin-config.h>
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#include <string>
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#include <sstream>
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#include "libiberty.h"
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#include "compiler.hh"
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#include "xregex.h"
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#include "findcomp.hh"
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#include "intl.h"
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// Construct an appropriate regexp to match the compiler name.
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static std::string
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make_regexp (const std::string &triplet_regexp, const char *compiler)
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{
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std::stringstream buf;
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buf << "^" << triplet_regexp << "-";
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// Quote the compiler name in case it has something funny in it.
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for (const char *p = compiler; *p; ++p)
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{
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switch (*p)
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{
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case '.':
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case '^':
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case '$':
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case '*':
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case '+':
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case '?':
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case '(':
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case ')':
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case '[':
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case '{':
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case '\\':
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case '|':
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buf << '\\';
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break;
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}
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buf << *p;
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}
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buf << "$";
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return buf.str ();
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}
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char *
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cc1_plugin::compiler::find (const char *, std::string &) const
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{
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return xstrdup (_("Compiler has not been specified"));
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}
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char *
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cc1_plugin::compiler_triplet_regexp::find (const char *base,
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std::string &compiler) const
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{
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std::string rx = make_regexp (triplet_regexp_, base);
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if (verbose)
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fprintf (stderr, _("searching for compiler matching regex %s\n"),
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rx.c_str());
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regex_t triplet;
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int code = regcomp (&triplet, rx.c_str (), REG_EXTENDED | REG_NOSUB);
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if (code != 0)
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{
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size_t len = regerror (code, &triplet, NULL, 0);
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char err[len];
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regerror (code, &triplet, err, len);
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return concat ("Could not compile regexp \"",
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rx.c_str (),
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"\": ",
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err,
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(char *) NULL);
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}
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if (!find_compiler (triplet, &compiler))
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{
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regfree (&triplet);
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return concat ("Could not find a compiler matching \"",
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rx.c_str (),
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"\"",
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(char *) NULL);
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}
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regfree (&triplet);
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if (verbose)
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fprintf (stderr, _("found compiler %s\n"), compiler.c_str());
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return NULL;
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}
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char *
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cc1_plugin::compiler_driver_filename::find (const char *,
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std::string &compiler) const
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{
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// Simulate fnotice by fprintf.
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if (verbose)
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fprintf (stderr, _("using explicit compiler filename %s\n"),
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driver_filename_.c_str());
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compiler = driver_filename_;
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return NULL;
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}
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