137 lines
4.1 KiB
C++
137 lines
4.1 KiB
C++
/*============================================================================
|
|
CMake - Cross Platform Makefile Generator
|
|
Copyright 2000-2009 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.
|
|
============================================================================*/
|
|
#include "cmDefinitions.h"
|
|
|
|
#include <assert.h>
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmDefinitions::Def cmDefinitions::NoDef;
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmDefinitions::Def const& cmDefinitions::GetInternal(
|
|
const std::string& key,
|
|
std::list<cmDefinitions>::reverse_iterator rbegin,
|
|
std::list<cmDefinitions>::reverse_iterator rend)
|
|
{
|
|
assert(rbegin != rend);
|
|
MapType::const_iterator i = rbegin->Map.find(key);
|
|
if (i != rbegin->Map.end())
|
|
{
|
|
return i->second;
|
|
}
|
|
std::list<cmDefinitions>::reverse_iterator rit = rbegin;
|
|
++rit;
|
|
if (rit == rend)
|
|
{
|
|
return cmDefinitions::NoDef;
|
|
}
|
|
Def const& def = cmDefinitions::GetInternal(key, rit, rend);
|
|
return rbegin->Map.insert(MapType::value_type(key, def)).first->second;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
const char* cmDefinitions::Get(const std::string& key,
|
|
std::list<cmDefinitions>::reverse_iterator rbegin,
|
|
std::list<cmDefinitions>::reverse_iterator rend)
|
|
{
|
|
Def const& def = cmDefinitions::GetInternal(key, rbegin, rend);
|
|
return def.Exists? def.c_str() : 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDefinitions::Set(const std::string& key, const char* value)
|
|
{
|
|
Def def(value);
|
|
this->Map[key] = def;
|
|
}
|
|
|
|
void cmDefinitions::Erase(const std::string& key)
|
|
{
|
|
this->Map.erase(key);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::vector<std::string> cmDefinitions::LocalKeys() const
|
|
{
|
|
std::vector<std::string> keys;
|
|
keys.reserve(this->Map.size());
|
|
// Consider local definitions.
|
|
for(MapType::const_iterator mi = this->Map.begin();
|
|
mi != this->Map.end(); ++mi)
|
|
{
|
|
if (mi->second.Exists)
|
|
{
|
|
keys.push_back(mi->first);
|
|
}
|
|
}
|
|
return keys;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmDefinitions cmDefinitions::MakeClosure(
|
|
std::list<cmDefinitions>::const_reverse_iterator rbegin,
|
|
std::list<cmDefinitions>::const_reverse_iterator rend)
|
|
{
|
|
std::set<std::string> undefined;
|
|
cmDefinitions closure;
|
|
closure.MakeClosure(undefined, rbegin, rend);
|
|
return closure;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void
|
|
cmDefinitions::MakeClosure(std::set<std::string>& undefined,
|
|
std::list<cmDefinitions>::const_reverse_iterator rbegin,
|
|
std::list<cmDefinitions>::const_reverse_iterator rend)
|
|
{
|
|
for (std::list<cmDefinitions>::const_reverse_iterator it = rbegin;
|
|
it != rend; ++it)
|
|
{
|
|
// Consider local definitions.
|
|
for(MapType::const_iterator mi = it->Map.begin();
|
|
mi != it->Map.end(); ++mi)
|
|
{
|
|
// Use this key if it is not already set or unset.
|
|
if(this->Map.find(mi->first) == this->Map.end() &&
|
|
undefined.find(mi->first) == undefined.end())
|
|
{
|
|
if(mi->second.Exists)
|
|
{
|
|
this->Map.insert(*mi);
|
|
}
|
|
else
|
|
{
|
|
undefined.insert(mi->first);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
std::vector<std::string>
|
|
cmDefinitions::ClosureKeys(std::set<std::string>& bound) const
|
|
{
|
|
std::vector<std::string> defined;
|
|
defined.reserve(this->Map.size());
|
|
for(MapType::const_iterator mi = this->Map.begin();
|
|
mi != this->Map.end(); ++mi)
|
|
{
|
|
// Use this key if it is not already set or unset.
|
|
if(bound.insert(mi->first).second && mi->second.Exists)
|
|
{
|
|
defined.push_back(mi->first);
|
|
}
|
|
}
|
|
return defined;
|
|
}
|