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/* Compiler handling for plugin
Copyright (C) 2014-2022 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;
}
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