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//===--- ASTMatchersInternal.cpp - Structural query framework -------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Implements the base layer of the matcher framework.
//
//===----------------------------------------------------------------------===//
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/ASTMatchers/ASTMatchersInternal.h"
namespace clang {
namespace ast_matchers {
namespace internal {
void BoundNodesMap::copyTo(BoundNodesTreeBuilder *Builder) const {
for (IDToNodeMap::const_iterator It = NodeMap.begin();
It != NodeMap.end();
++It) {
Builder->setBinding(It->first, It->second);
}
}
void BoundNodesMap::copyTo(BoundNodesMap *Other) const {
for (IDToNodeMap::const_iterator I = NodeMap.begin(),
E = NodeMap.end();
I != E; ++I) {
Other->NodeMap[I->first] = I->second;
}
}
BoundNodesTree::BoundNodesTree() {}
BoundNodesTree::BoundNodesTree(
const BoundNodesMap& Bindings,
const std::vector<BoundNodesTree> RecursiveBindings)
: Bindings(Bindings),
RecursiveBindings(RecursiveBindings) {}
void BoundNodesTree::copyTo(BoundNodesTreeBuilder* Builder) const {
Bindings.copyTo(Builder);
for (std::vector<BoundNodesTree>::const_iterator
I = RecursiveBindings.begin(),
E = RecursiveBindings.end();
I != E; ++I) {
Builder->addMatch(*I);
}
}
void BoundNodesTree::visitMatches(Visitor* ResultVisitor) {
BoundNodesMap AggregatedBindings;
visitMatchesRecursively(ResultVisitor, AggregatedBindings);
}
void BoundNodesTree::
visitMatchesRecursively(Visitor* ResultVisitor,
const BoundNodesMap& AggregatedBindings) {
BoundNodesMap CombinedBindings(AggregatedBindings);
Bindings.copyTo(&CombinedBindings);
if (RecursiveBindings.empty()) {
ResultVisitor->visitMatch(BoundNodes(CombinedBindings));
} else {
for (unsigned I = 0; I < RecursiveBindings.size(); ++I) {
RecursiveBindings[I].visitMatchesRecursively(ResultVisitor,
CombinedBindings);
}
}
}
BoundNodesTreeBuilder::BoundNodesTreeBuilder() {}
void BoundNodesTreeBuilder::addMatch(const BoundNodesTree& Bindings) {
RecursiveBindings.push_back(Bindings);
}
BoundNodesTree BoundNodesTreeBuilder::build() const {
return BoundNodesTree(Bindings, RecursiveBindings);
}
} // end namespace internal
} // end namespace ast_matchers
} // end namespace clang
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