// dirsearch.h -- directory searching for gold -*- C++ -*-
+// Copyright (C) 2006-2020 Free Software Foundation, Inc.
+// Written by Ian Lance Taylor <iant@google.com>.
+
+// This file is part of gold.
+
+// This program 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 of the License, or
+// (at your option) any later version.
+
+// This program 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 this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+// MA 02110-1301, USA.
+
#ifndef GOLD_DIRSEARCH_H
#define GOLD_DIRSEARCH_H
#include <string>
#include <list>
-#include "workqueue.h"
+#include "options.h"
+#include "token.h"
namespace gold
{
class General_options;
+class Workqueue;
// A simple interface to manage directories to be searched for
// libraries.
class Dirsearch
{
public:
- Dirsearch();
-
- // Add a directory to the search path.
- void
- add(Workqueue*, const char*);
+ Dirsearch()
+ : directories_(NULL), token_(true)
+ { }
- // Add a list of directories to the search path.
+ // Set the list of directories to search.
void
- add(Workqueue*, const General_options::Dir_list&);
+ initialize(Workqueue*, const General_options::Dir_list*);
// Search for a file, giving one or two names to search for (the
// second one may be empty). Return a full path name for the file,
// or the empty string if it could not be found. This may only be
- // called if the token is not blocked.
+ // called if the token is not blocked. Set *IS_IN_SYSROOT if the
+ // file was found in a directory which is in the sysroot. *PINDEX
+ // should be set to zero the first time this is called; it will be
+ // updated with the index of the directory where the file is found,
+ // and that value plus one may be used to find the next file with
+ // the same name(s).
std::string
- find(const std::string&, const std::string& n2 = std::string()) const;
+ find(const std::vector<std::string>& names, bool* is_in_sysroot,
+ int* pindex, std::string *found_name) const;
+
+ // Return the blocker token which controls access.
+ Task_token*
+ token()
+ { return &this->token_; }
- // Return a reference to the blocker token which controls access.
- const Task_token&
- token() const
- { return this->token_; }
+ // Search for a file in a directory list. This is a low-level function and
+ // therefore can be used before options and parameters are set.
+ static std::string
+ find_file_in_dir_list(const std::string& name,
+ const General_options::Dir_list& directories,
+ const std::string& extra_search_dir);
private:
// We can not copy this class.
Dirsearch& operator=(const Dirsearch&);
// Directories to search.
- std::list<const char*> directories_;
+ const General_options::Dir_list* directories_;
// Blocker token to control access from tasks.
Task_token token_;
};