ASTMatchers: Bound node results are always const, make selectFirst's template argument implicitly const.

This avoids adding const to every user of selectFirst and also allows it to
match TypeLocs which BoundNodes doesn't use magic const removal specializations
for. No functionality change.

llvm-svn: 213737
This commit is contained in:
Benjamin Kramer 2014-07-23 11:41:44 +00:00
parent 842355e900
commit 7664558efc
2 changed files with 9 additions and 11 deletions

View File

@ -210,16 +210,14 @@ match(MatcherT Matcher, const ast_type_traits::DynTypedNode &Node,
///
/// This is useful in combanation with \c match():
/// \code
/// Decl *D = selectFirst<Decl>("id", match(Matcher.bind("id"),
/// Node, Context));
/// const Decl *D = selectFirst<Decl>("id", match(Matcher.bind("id"),
/// Node, Context));
/// \endcode
template <typename NodeT>
NodeT *
const NodeT *
selectFirst(StringRef BoundTo, const SmallVectorImpl<BoundNodes> &Results) {
for (SmallVectorImpl<BoundNodes>::const_iterator I = Results.begin(),
E = Results.end();
I != E; ++I) {
if (NodeT *Node = I->getNodeAs<NodeT>(BoundTo))
for (const BoundNodes &N : Results) {
if (const NodeT *Node = N.getNodeAs<NodeT>(BoundTo))
return Node;
}
return nullptr;

View File

@ -4163,8 +4163,8 @@ public:
virtual bool run(const BoundNodes *Nodes, ASTContext *Context) {
const T *Node = Nodes->getNodeAs<T>(Id);
return selectFirst<const T>(InnerId,
match(InnerMatcher, *Node, *Context)) !=nullptr;
return selectFirst<T>(InnerId, match(InnerMatcher, *Node, *Context)) !=
nullptr;
}
private:
std::string Id;
@ -4221,7 +4221,7 @@ public:
// Use the original typed pointer to verify we can pass pointers to subtypes
// to equalsNode.
const T *TypedNode = cast<T>(Node);
return selectFirst<const T>(
return selectFirst<T>(
"", match(stmt(hasParent(
stmt(has(stmt(equalsNode(TypedNode)))).bind(""))),
*Node, Context)) != nullptr;
@ -4230,7 +4230,7 @@ public:
// Use the original typed pointer to verify we can pass pointers to subtypes
// to equalsNode.
const T *TypedNode = cast<T>(Node);
return selectFirst<const T>(
return selectFirst<T>(
"", match(decl(hasParent(
decl(has(decl(equalsNode(TypedNode)))).bind(""))),
*Node, Context)) != nullptr;