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Added GraphTraits template specialization for Stmt* to treat ASTs like graphs. 

llvm-svn: 42146
This commit is contained in:
Ted Kremenek 2007-09-19 18:18:40 +00:00
parent ec55ce39a6
commit a3d706a778
1 changed files with 38 additions and 0 deletions
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38
clang/include/clang/AST/Stmt.h
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@ -17,6 +17,7 @@
#include "clang/Basic/SourceLocation.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/iterator"
#include "llvm/ADT/GraphTraits.h"
#include <iosfwd>
namespace clang {
@ -634,4 +635,41 @@ public:
} // end namespace clang
//===----------------------------------------------------------------------===//
// GraphTraits specialization to treat ASTs (Stmt*) as graphs
//===----------------------------------------------------------------------===//
namespace llvm {
template <> struct GraphTraits<clang::Stmt*> {
typedef clang::Stmt NodeType;
typedef clang::Stmt::child_iterator ChildIteratorType;
static NodeType* getEntryNode(clang::Stmt* S) { return S; }
static inline ChildIteratorType child_begin(NodeType* N) {
return N->child_begin();
}
static inline ChildIteratorType child_end(NodeType* N) {
return N->child_end();
}
};
template <> struct GraphTraits<const clang::Stmt*> {
typedef const clang::Stmt NodeType;
typedef clang::Stmt::const_child_iterator ChildIteratorType;
static NodeType* getEntryNode(const clang::Stmt* S) { return S; }
static inline ChildIteratorType child_begin(NodeType* N) {
return N->child_begin();
}
static inline ChildIteratorType child_end(NodeType* N) {
return N->child_end();
}
};
} // end namespace llvm
#endif