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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2010 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmTargetDepend_h
#define cmTargetDepend_h
#include "cmStandardIncludes.h"
class cmTarget;
/** One edge in the global target dependency graph.
It may be marked as a 'link' or 'util' edge or both. */
class cmTargetDepend
{
cmTarget* Target;
// The set order depends only on the Target, so we use
// mutable members to acheive a map with set syntax.
mutable bool Link;
mutable bool Util;
public:
cmTargetDepend(cmTarget* t): Target(t), Link(false), Util(false) {}
operator cmTarget*() const { return this->Target; }
cmTarget* operator->() const { return this->Target; }
cmTarget& operator*() const { return *this->Target; }
friend bool operator < (cmTargetDepend const& l, cmTargetDepend const& r)
{ return l.Target < r.Target; }
void SetType(bool strong) const
{
if(strong) { this->Util = true; }
else { this->Link = true; }
}
bool IsLink() const { return this->Link; }
bool IsUtil() const { return this->Util; }
};
/** Unordered set of (direct) dependencies of a target. */
class cmTargetDependSet: public std::set<cmTargetDepend> {};
#endif
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