cmDefinitions: Implement MakeClosure in terms of reverse iterators.

Iterate directly over the parent content provided by cmMakefile.
This commit is contained in:
Stephen Kelly 2015-04-29 23:48:43 +02:00
parent aa4d1ee80f
commit f79cd99d6d
3 changed files with 16 additions and 22 deletions

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@ -76,27 +76,27 @@ std::vector<std::string> cmDefinitions::LocalKeys() const
//----------------------------------------------------------------------------
cmDefinitions cmDefinitions::MakeClosure(
std::list<cmDefinitions const*>::iterator begin,
std::list<cmDefinitions const*>::iterator end)
std::list<cmDefinitions>::const_reverse_iterator rbegin,
std::list<cmDefinitions>::const_reverse_iterator rend)
{
std::set<std::string> undefined;
cmDefinitions closure;
closure.MakeClosure(undefined, begin, end);
closure.MakeClosure(undefined, rbegin, rend);
return closure;
}
//----------------------------------------------------------------------------
void
cmDefinitions::MakeClosure(std::set<std::string>& undefined,
std::list<cmDefinitions const*>::iterator begin,
std::list<cmDefinitions const*>::iterator end)
std::list<cmDefinitions>::const_reverse_iterator rbegin,
std::list<cmDefinitions>::const_reverse_iterator rend)
{
for (std::list<cmDefinitions const*>::const_iterator it = begin;
it != end; ++it)
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)
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() &&

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@ -51,8 +51,8 @@ public:
std::vector<std::string> ClosureKeys() const;
static cmDefinitions MakeClosure(
std::list<cmDefinitions const*>::iterator begin,
std::list<cmDefinitions const*>::iterator end);
std::list<cmDefinitions>::const_reverse_iterator rbegin,
std::list<cmDefinitions>::const_reverse_iterator rend);
private:
// String with existence boolean.
@ -84,8 +84,8 @@ private:
Def const& GetInternal(const std::string& key);
void MakeClosure(std::set<std::string>& undefined,
std::list<cmDefinitions const*>::iterator begin,
std::list<cmDefinitions const*>::iterator end);
std::list<cmDefinitions>::const_reverse_iterator rbegin,
std::list<cmDefinitions>::const_reverse_iterator rend);
};
#endif

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@ -63,15 +63,9 @@ public:
void InitializeDefinitions(cmMakefile* parent)
{
std::list<cmDefinitions const*> defPtrs;
for (std::list<cmDefinitions>::iterator it =
parent->Internal->VarStack.begin();
it != parent->Internal->VarStack.end(); ++it)
{
defPtrs.push_back(&*it);
}
this->VarStack.back() = cmDefinitions::MakeClosure(defPtrs.begin(),
defPtrs.end());
this->VarStack.back() =
cmDefinitions::MakeClosure(parent->Internal->VarStack.rbegin(),
parent->Internal->VarStack.rend());
}
const char* GetDefinition(std::string const& name)