darling-gdb/gold/dirsearch.h

58 lines
1.3 KiB
C++

// dirsearch.h -- directory searching for gold -*- C++ -*-
#ifndef GOLD_DIRSEARCH_H
#define GOLD_DIRSEARCH_H
#include <string>
#include <list>
#include "workqueue.h"
namespace gold
{
class General_options;
// 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*);
// Add a list of directories to the search path.
void
add(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.
std::string
find(const std::string&, const std::string& n2 = std::string()) const;
// Return a reference to the blocker token which controls access.
const Task_token&
token() const
{ return this->token_; }
private:
// We can not copy this class.
Dirsearch(const Dirsearch&);
Dirsearch& operator=(const Dirsearch&);
// Directories to search.
std::list<const char*> directories_;
// Blocker token to control access from tasks.
Task_token token_;
};
} // End namespace gold.
#endif // !defined(GOLD_DIRSEARCH_H)