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cmDefinitions: Make ClosureKeys API vector-based. 

Construct the final list directly in a named return value.  Use
a single set to track bindings already found.

Co-Author: Brad King <brad.king@kitware.com>
This commit is contained in:
Stephen Kelly 2015-04-26 15:36:49 +02:00
parent ca9fa77d5d
commit 012a75a00f
3 changed files with 8 additions and 11 deletions
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12
Source/cmDefinitions.cxx
View File

@ -119,10 +119,10 @@ void cmDefinitions::ClosureImpl(std::set<std::string>& undefined,
}
//----------------------------------------------------------------------------
std::set<std::string> cmDefinitions::ClosureKeys() const
std::vector<std::string> cmDefinitions::ClosureKeys() const
{
std::set<std::string> defined;
std::set<std::string> undefined;
std::vector<std::string> defined;
std::set<std::string> bound;
cmDefinitions const* up = this;
@ -133,11 +133,9 @@ std::set<std::string> cmDefinitions::ClosureKeys() const
mi != up->Map.end(); ++mi)
{
// Use this key if it is not already set or unset.
if(defined.find(mi->first) == defined.end() &&
undefined.find(mi->first) == undefined.end())
if(bound.insert(mi->first).second && mi->second.Exists)
{
std::set<std::string>& m = mi->second.Exists? defined : undefined;
m.insert(mi->first);
defined.push_back(mi->first);
}
}
up = up->Up;

2
Source/cmDefinitions.h
View File

@ -50,7 +50,7 @@ public:
cmDefinitions Closure() const;
/** Compute the set of all defined keys. */
std::set<std::string> ClosureKeys() const;
std::vector<std::string> ClosureKeys() const;
private:
// String with existence boolean.

5
Source/cmMakefile.cxx
View File

@ -94,7 +94,7 @@ public:
return this->VarStack.top().LocalKeys();
}
std::set<std::string> ClosureKeys() const
std::vector<std::string> ClosureKeys() const
{
return this->VarStack.top().ClosureKeys();
}
@ -2514,8 +2514,7 @@ std::vector<std::string> cmMakefile
std::vector<std::string> res;
if ( !cacheonly )
{
std::set<std::string> definitions = this->Internal->ClosureKeys();
res.insert(res.end(), definitions.begin(), definitions.end());
res = this->Internal->ClosureKeys();
}
std::vector<std::string> cacheKeys =
this->GetState()->GetCacheEntryKeys();