96deddca2e
PR c/94669 points out that a couple of spots in libcc1 take a std::string where a reference would do. This changes these spots to take a const char *, to reduce the number of copies. libcc1 PR c/94669 * compiler.hh (compiler_driver_filename): Take const char *. (compiler_triplet_regexp): Likewise.
84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
/* Compiler handling for plugin
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Copyright (C) 2014-2020 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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#ifndef CC1_PLUGIN_COMPILER_HH
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#define CC1_PLUGIN_COMPILER_HH
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namespace cc1_plugin
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{
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// Base class for compiler.
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class compiler
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{
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public:
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explicit compiler (bool v)
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: verbose (v)
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{
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}
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virtual ~compiler () = default;
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// Find the compiler. BASE is the base name of the compiler, see
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// compiler-name.hh. This sets COMPILER to the resulting path.
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// Returns nullptr on success, or a malloc'd error string on
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// failure.
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virtual char *find (const char *base, std::string &compiler) const;
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void set_verbose (bool v)
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{
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verbose = v;
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}
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protected:
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bool verbose;
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};
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/* Compiler to set by set_triplet_regexp. */
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class compiler_triplet_regexp : public compiler
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{
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private:
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std::string triplet_regexp_;
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public:
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char *find (const char *base, std::string &compiler) const override;
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compiler_triplet_regexp (bool v, const char *triplet_regexp)
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: compiler (v), triplet_regexp_ (triplet_regexp)
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{
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}
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};
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/* Compiler to set by set_driver_filename. */
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class compiler_driver_filename : public compiler
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{
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private:
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std::string driver_filename_;
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public:
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char *find (const char *base, std::string &compiler) const override;
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compiler_driver_filename (bool v, const char *driver_filename)
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: compiler (v), driver_filename_ (driver_filename)
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{
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}
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};
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}
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#endif // CC1_PLUGIN_COMPILER_HH
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