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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// dirsearch.h -- directory searching for gold -*- C++ -*-
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// Copyright 2006, 2007 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 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 this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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#ifndef GOLD_DIRSEARCH_H
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#define GOLD_DIRSEARCH_H
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#include <string>
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#include <list>
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#include "options.h"
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#include "token.h"
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namespace gold
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{
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class General_options;
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class Workqueue;
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// A simple interface to manage directories to be searched for
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// libraries.
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class Dirsearch
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{
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public:
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Dirsearch()
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: directories_(NULL), token_(true)
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{ }
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// Set the list of directories to search.
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void
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initialize(Workqueue*, const General_options::Dir_list*);
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// Search for a file, giving one or two names to search for (the
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// second one may be empty). Return a full path name for the file,
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// or the empty string if it could not be found. This may only be
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// called if the token is not blocked. Set *IS_IN_SYSROOT if the
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// file was found in a directory which is in the sysroot.
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std::string
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find(const std::string&, const std::string& n2, bool *is_in_sysroot) const;
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// Return the blocker token which controls access.
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Task_token*
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token()
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{ return &this->token_; }
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private:
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// We can not copy this class.
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Dirsearch(const Dirsearch&);
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Dirsearch& operator=(const Dirsearch&);
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// Directories to search.
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const General_options::Dir_list* directories_;
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// Blocker token to control access from tasks.
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Task_token token_;
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};
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} // End namespace gold.
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#endif // !defined(GOLD_DIRSEARCH_H)
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