Create initial support for matching and binding NestedNameSpecifier(Loc)s.

Review: http://llvm-reviews.chandlerc.com/D39

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163794 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Jasper 2012-09-13 13:11:25 +00:00
Родитель 1824d54df8
Коммит a756443319
7 изменённых файлов: 366 добавлений и 61 удалений

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@ -112,6 +112,10 @@ public:
MatchCallback *Action);
void addMatcher(const StatementMatcher &NodeMatch,
MatchCallback *Action);
void addMatcher(const NestedNameSpecifierMatcher &NodeMatch,
MatchCallback *Action);
void addMatcher(const NestedNameSpecifierLocMatcher &NodeMatch,
MatchCallback *Action);
/// @}
/// \brief Creates a clang ASTConsumer that finds all matches.

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@ -110,6 +110,8 @@ internal::Matcher<T> id(const std::string &ID,
typedef internal::Matcher<Decl> DeclarationMatcher;
typedef internal::Matcher<QualType> TypeMatcher;
typedef internal::Matcher<Stmt> StatementMatcher;
typedef internal::Matcher<NestedNameSpecifier> NestedNameSpecifierMatcher;
typedef internal::Matcher<NestedNameSpecifierLoc> NestedNameSpecifierLocMatcher;
/// @}
/// \brief Matches any node.
@ -2288,6 +2290,83 @@ isExplicitTemplateSpecialization() {
internal::IsExplicitTemplateSpecializationMatcher>();
}
/// \brief Matches nested name specifiers.
///
/// Given
/// \code
/// namespace ns {
/// struct A { static void f(); };
/// void A::f() {}
/// void g() { A::f(); }
/// }
/// ns::A a;
/// \endcode
/// nestedNameSpecifier()
/// matches "ns::" and both "A::"
const internal::VariadicAllOfMatcher<NestedNameSpecifier> nestedNameSpecifier;
/// \brief Same as \c nestedNameSpecifier but matches \c NestedNameSpecifierLoc.
const internal::VariadicAllOfMatcher<
NestedNameSpecifierLoc> nestedNameSpecifierLoc;
/// \brief Matches \c NestedNameSpecifierLocs for which the given inner
/// NestedNameSpecifier-matcher matches.
inline internal::BindableMatcher<NestedNameSpecifierLoc> loc(
const internal::Matcher<NestedNameSpecifier> &InnerMatcher) {
return internal::BindableMatcher<NestedNameSpecifierLoc>(
new internal::LocMatcher<NestedNameSpecifierLoc, NestedNameSpecifier>(
InnerMatcher));
}
/// \brief Matches nested name specifiers that specify a type matching the
/// given \c QualType matcher without qualifiers.
/// FIXME: This is a temporary solution. Switch to using Type-matchers as soon
/// as we have those.
///
/// Given
/// \code
/// struct A { struct B { struct C {}; }; };
/// A::B::C c;
/// \endcode
/// nestedNameSpecifier(specifiesType(hasDeclaration(recordDecl(hasName("A")))))
/// matches "A::"
AST_MATCHER_P(NestedNameSpecifier, specifiesType,
internal::Matcher<QualType>, InnerMatcher) {
if (Node.getAsType() == NULL)
return false;
return InnerMatcher.matches(QualType(Node.getAsType(), 0), Finder, Builder);
}
/// \brief Matches on the prefix of a \c NestedNameSpecifier or
/// \c NestedNameSpecifierLoc.
///
/// Given
/// \code
/// struct A { struct B { struct C {}; }; };
/// A::B::C c;
/// \endcode
/// nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A")))) and
/// nestedNameSpecifierLoc(hasPrefix(loc(specifiesType(asString("struct A")))))
/// both match "A::"
LOC_TRAVERSE_MATCHER(hasPrefix, NestedNameSpecifier, getPrefix)
/// \brief Matches nested name specifiers that specify a namespace matching the
/// given namespace matcher.
///
/// Given
/// \code
/// namespace ns { struct A {}; }
/// ns::A a;
/// \endcode
/// nestedNameSpecifier(specifiesNamespace(hasName("ns")))
/// matches "ns::"
AST_MATCHER_P(NestedNameSpecifier, specifiesNamespace,
internal::Matcher<NamespaceDecl>, InnerMatcher) {
if (Node.getAsNamespace() == NULL)
return false;
return InnerMatcher.matches(*Node.getAsNamespace(), Finder, Builder);
}
} // end namespace ast_matchers
} // end namespace clang

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@ -380,6 +380,8 @@ struct IsBaseType {
(llvm::is_same<T, Decl>::value ||
llvm::is_same<T, Stmt>::value ||
llvm::is_same<T, QualType>::value ||
llvm::is_same<T, NestedNameSpecifier>::value ||
llvm::is_same<T, NestedNameSpecifierLoc>::value ||
llvm::is_same<T, CXXCtorInitializer>::value);
};
template <typename T>
@ -652,9 +654,6 @@ public:
/// The returned matcher is equivalent to this matcher, but will
/// bind the matched node on a match.
Matcher<T> bind(StringRef ID) const {
TOOLING_COMPILE_ASSERT((llvm::is_base_of<Stmt, T>::value ||
llvm::is_base_of<Decl, T>::value),
trying_to_bind_unsupported_node_type__only_decl_and_stmt_supported);
return Matcher<T>(new IdMatcher<T>(ID, *this));
}
};
@ -779,6 +778,20 @@ private:
const Matcher<T> InnertMatcher2;
};
/// \brief Creates a Matcher<T> that matches if all inner matchers match.
template<typename T>
BindableMatcher<T> makeAllOfComposite(
ArrayRef<const Matcher<T> *> InnerMatchers) {
if (InnerMatchers.empty())
return BindableMatcher<T>(new TrueMatcher<T>);
MatcherInterface<T> *InnerMatcher = new TrueMatcher<T>;
for (int i = InnerMatchers.size() - 1; i >= 0; --i) {
InnerMatcher = new AllOfMatcher<T, Matcher<T>, Matcher<T> >(
*InnerMatchers[i], makeMatcher(InnerMatcher));
}
return BindableMatcher<T>(InnerMatcher);
}
/// \brief Creates a Matcher<T> that matches if
/// T is dyn_cast'able into InnerT and all inner matchers match.
///
@ -788,17 +801,8 @@ private:
template<typename T, typename InnerT>
BindableMatcher<T> makeDynCastAllOfComposite(
ArrayRef<const Matcher<InnerT> *> InnerMatchers) {
if (InnerMatchers.empty()) {
Matcher<InnerT> InnerMatcher = makeMatcher(new TrueMatcher<InnerT>);
return BindableMatcher<T>(new DynCastMatcher<T, InnerT>(InnerMatcher));
}
Matcher<InnerT> InnerMatcher = *InnerMatchers.back();
for (int i = InnerMatchers.size() - 2; i >= 0; --i) {
InnerMatcher = makeMatcher(
new AllOfMatcher<InnerT, Matcher<InnerT>, Matcher<InnerT> >(
*InnerMatchers[i], InnerMatcher));
}
return BindableMatcher<T>(new DynCastMatcher<T, InnerT>(InnerMatcher));
return BindableMatcher<T>(new DynCastMatcher<T, InnerT>(
makeAllOfComposite(InnerMatchers)));
}
/// \brief Matches nodes of type T that have at least one descendant node of
@ -980,6 +984,99 @@ public:
VariadicDynCastAllOfMatcher() {}
};
/// \brief A \c VariadicAllOfMatcher<T> object is a variadic functor that takes
/// a number of \c Matcher<T> and returns a \c Matcher<T> that matches \c T
/// nodes that are matched by all of the given matchers.
///
/// For example:
/// const VariadicAllOfMatcher<NestedNameSpecifier> nestedNameSpecifier;
/// Creates a functor nestedNameSpecifier(...) that creates a
/// \c Matcher<NestedNameSpecifier> given a variable number of arguments of type
/// \c Matcher<NestedNameSpecifier>.
/// The returned matcher matches if all given matchers match.
template <typename T>
class VariadicAllOfMatcher : public llvm::VariadicFunction<
BindableMatcher<T>, Matcher<T>,
makeAllOfComposite<T> > {
public:
VariadicAllOfMatcher() {}
};
/// \brief Matches nodes of type \c TLoc for which the inner
/// \c Matcher<T> matches.
template <typename TLoc, typename T>
class LocMatcher : public MatcherInterface<TLoc> {
public:
explicit LocMatcher(const Matcher<T> &InnerMatcher)
: InnerMatcher(InnerMatcher) {}
virtual bool matches(const TLoc &Node,
ASTMatchFinder *Finder,
BoundNodesTreeBuilder *Builder) const {
if (!Node)
return false;
return InnerMatcher.matches(*extract(Node), Finder, Builder);
}
private:
const NestedNameSpecifier *extract(const NestedNameSpecifierLoc &Loc) const {
return Loc.getNestedNameSpecifier();
}
// FIXME: Add overload for TypeLoc when implementing TypeLoc-matchers.
const Matcher<T> InnerMatcher;
};
/// \brief Matches nodes of type \c T for which the inner matcher matches on a
/// another node of type \c T that can be reached using a given traverse
/// function.
template <typename T>
class TraverseMatcher : public MatcherInterface<T> {
public:
explicit TraverseMatcher(const Matcher<T> &InnerMatcher,
T *(T::*TraverseFunction)() const)
: InnerMatcher(InnerMatcher), TraverseFunction(TraverseFunction) {}
virtual bool matches(const T &Node,
ASTMatchFinder *Finder,
BoundNodesTreeBuilder *Builder) const {
T* NextNode = (Node.*TraverseFunction)();
if (NextNode == NULL)
return false;
return InnerMatcher.matches(*NextNode, Finder, Builder);
}
private:
const Matcher<T> InnerMatcher;
T *(T::*TraverseFunction)() const;
};
/// \brief Matches nodes of type \c T in a ..Loc hierarchy, for which the inner
/// matcher matches on a another node of type \c T that can be reached using a
/// given traverse function.
template <typename T>
class LocTraverseMatcher : public MatcherInterface<T> {
public:
explicit LocTraverseMatcher(const Matcher<T> &InnerMatcher,
T (T::*TraverseFunction)() const)
: InnerMatcher(InnerMatcher), TraverseFunction(TraverseFunction) {}
virtual bool matches(const T &Node,
ASTMatchFinder *Finder,
BoundNodesTreeBuilder *Builder) const {
if (!Node)
return false;
T NextNode = (Node.*TraverseFunction)();
if (!NextNode)
return false;
return InnerMatcher.matches(NextNode, Finder, Builder);
}
private:
const Matcher<T> InnerMatcher;
T (T::*TraverseFunction)() const;
};
} // end namespace internal
} // end namespace ast_matchers
} // end namespace clang

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@ -221,4 +221,22 @@
const NodeType &Node, ASTMatchFinder *Finder, \
BoundNodesTreeBuilder *Builder) const
/// \brief LOC_TRAVERSE_MATCHER(MatcherName, NodeType, FunctionName)
/// defines the matcher \c MatcherName that can be used to traverse
/// a Type or NestedNameSpecifier as well as the corresponding ..Loc.
///
/// The traversal is done using the given \c FunctionName.
#define LOC_TRAVERSE_MATCHER( \
MatcherName, NodeType, FunctionName) \
inline internal::Matcher<NodeType> hasPrefix( \
const internal::Matcher<NodeType> &InnerMatcher) { \
return makeMatcher(new internal::TraverseMatcher<NodeType>( \
InnerMatcher, &NodeType::getPrefix)); \
} \
inline internal::Matcher<NodeType##Loc> hasPrefix( \
const internal::Matcher<NodeType##Loc> &InnerMatcher) { \
return makeMatcher(new internal::LocTraverseMatcher<NodeType##Loc>( \
InnerMatcher, &NodeType##Loc::getPrefix)); \
}
#endif // LLVM_CLANG_AST_MATCHERS_AST_MATCHERS_MACROS_H

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@ -74,6 +74,8 @@ private:
enum NodeTypeTag {
NT_Decl,
NT_Stmt,
NT_NestedNameSpecifier,
NT_NestedNameSpecifierLoc,
NT_QualType
} Tag;
@ -83,7 +85,7 @@ private:
/// guaranteed to be unique pointers pointing to dedicated storage in the
/// AST. \c QualTypes on the other hand do not have storage or unique
/// pointers and thus need to be stored by value.
llvm::AlignedCharArrayUnion<Decl*, Stmt*, QualType> Storage;
llvm::AlignedCharArrayUnion<Decl*, Stmt*, NestedNameSpecifierLoc, QualType> Storage;
};
template<typename T> struct DynTypedNode::BaseConverter<T,
typename llvm::enable_if<llvm::is_base_of<Decl, T> >::type> {
@ -113,6 +115,33 @@ template<typename T> struct DynTypedNode::BaseConverter<T,
return Result;
}
};
template<> struct DynTypedNode::BaseConverter<NestedNameSpecifier, void> {
static const NestedNameSpecifier *get(NodeTypeTag Tag, const char Storage[]) {
if (Tag == NT_NestedNameSpecifier)
return *reinterpret_cast<NestedNameSpecifier*const*>(Storage);
return NULL;
}
static DynTypedNode create(const NestedNameSpecifier &Node) {
DynTypedNode Result;
Result.Tag = NT_NestedNameSpecifier;
new (Result.Storage.buffer) const NestedNameSpecifier*(&Node);
return Result;
}
};
template<> struct DynTypedNode::BaseConverter<NestedNameSpecifierLoc, void> {
static const NestedNameSpecifierLoc *get(NodeTypeTag Tag,
const char Storage[]) {
if (Tag == NT_NestedNameSpecifierLoc)
return reinterpret_cast<const NestedNameSpecifierLoc*>(Storage);
return NULL;
}
static DynTypedNode create(const NestedNameSpecifierLoc &Node) {
DynTypedNode Result;
Result.Tag = NT_NestedNameSpecifierLoc;
new (Result.Storage.buffer) NestedNameSpecifierLoc(Node);
return Result;
}
};
template<> struct DynTypedNode::BaseConverter<QualType, void> {
static const QualType *get(NodeTypeTag Tag, const char Storage[]) {
if (Tag == NT_QualType)
@ -146,4 +175,3 @@ inline const void *DynTypedNode::getMemoizationData() const {
} // end namespace clang
#endif // LLVM_CLANG_AST_MATCHERS_AST_TYPE_TRAITS_H

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@ -313,6 +313,8 @@ public:
bool TraverseStmt(Stmt *StmtNode);
bool TraverseType(QualType TypeNode);
bool TraverseTypeLoc(TypeLoc TypeNode);
bool TraverseNestedNameSpecifier(NestedNameSpecifier *NNS);
bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS);
// Matches children or descendants of 'Node' with 'BaseMatcher'.
bool memoizedMatchesRecursively(const ast_type_traits::DynTypedNode &Node,
@ -556,6 +558,21 @@ bool MatchASTVisitor::TraverseTypeLoc(TypeLoc TypeLoc) {
TraverseTypeLoc(TypeLoc);
}
bool MatchASTVisitor::TraverseNestedNameSpecifier(NestedNameSpecifier *NNS) {
match(*NNS);
return RecursiveASTVisitor<MatchASTVisitor>::TraverseNestedNameSpecifier(NNS);
}
bool MatchASTVisitor::TraverseNestedNameSpecifierLoc(
NestedNameSpecifierLoc NNS) {
match(NNS);
// We only match the nested name specifier here (as opposed to traversing it)
// because the traversal is already done in the parallel "Loc"-hierarchy.
match(*NNS.getNestedNameSpecifier());
return
RecursiveASTVisitor<MatchASTVisitor>::TraverseNestedNameSpecifierLoc(NNS);
}
class MatchASTConsumer : public ASTConsumer {
public:
MatchASTConsumer(
@ -619,6 +636,18 @@ void MatchFinder::addMatcher(const StatementMatcher &NodeMatch,
new internal::Matcher<Stmt>(NodeMatch), Action));
}
void MatchFinder::addMatcher(const NestedNameSpecifierMatcher &NodeMatch,
MatchCallback *Action) {
MatcherCallbackPairs.push_back(std::make_pair(
new NestedNameSpecifierMatcher(NodeMatch), Action));
}
void MatchFinder::addMatcher(const NestedNameSpecifierLocMatcher &NodeMatch,
MatchCallback *Action) {
MatcherCallbackPairs.push_back(std::make_pair(
new NestedNameSpecifierLocMatcher(NodeMatch), Action));
}
ASTConsumer *MatchFinder::newASTConsumer() {
return new internal::MatchASTConsumer(&MatcherCallbackPairs, ParsingDone);
}

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@ -607,36 +607,40 @@ TEST(TypeMatcher, MatchesClassType) {
// Decl bound to Id that can be dynamically cast to T.
// Optionally checks that the check succeeded a specific number of times.
template <typename T>
class VerifyIdIsBoundToDecl : public BoundNodesCallback {
class VerifyIdIsBoundTo : public BoundNodesCallback {
public:
// Create an object that checks that a node of type \c T was bound to \c Id.
// Does not check for a certain number of matches.
explicit VerifyIdIsBoundToDecl(llvm::StringRef Id)
explicit VerifyIdIsBoundTo(llvm::StringRef Id)
: Id(Id), ExpectedCount(-1), Count(0) {}
// Create an object that checks that a node of type \c T was bound to \c Id.
// Checks that there were exactly \c ExpectedCount matches.
VerifyIdIsBoundToDecl(llvm::StringRef Id, int ExpectedCount)
VerifyIdIsBoundTo(llvm::StringRef Id, int ExpectedCount)
: Id(Id), ExpectedCount(ExpectedCount), Count(0) {}
// Create an object that checks that a node of type \c T was bound to \c Id.
// Checks that there was exactly one match with the name \c ExpectedDeclName.
// Checks that there was exactly one match with the name \c ExpectedName.
// Note that \c T must be a NamedDecl for this to work.
VerifyIdIsBoundToDecl(llvm::StringRef Id, llvm::StringRef ExpectedDeclName)
: Id(Id), ExpectedCount(1), Count(0), ExpectedDeclName(ExpectedDeclName) {}
VerifyIdIsBoundTo(llvm::StringRef Id, llvm::StringRef ExpectedName)
: Id(Id), ExpectedCount(1), Count(0), ExpectedName(ExpectedName) {}
~VerifyIdIsBoundToDecl() {
~VerifyIdIsBoundTo() {
if (ExpectedCount != -1)
EXPECT_EQ(ExpectedCount, Count);
if (!ExpectedDeclName.empty())
EXPECT_EQ(ExpectedDeclName, DeclName);
if (!ExpectedName.empty())
EXPECT_EQ(ExpectedName, Name);
}
virtual bool run(const BoundNodes *Nodes) {
if (const Decl *Node = Nodes->getDeclAs<T>(Id)) {
if (Nodes->getNodeAs<T>(Id)) {
++Count;
if (const NamedDecl *Named = llvm::dyn_cast<NamedDecl>(Node)) {
DeclName = Named->getNameAsString();
if (const NamedDecl *Named = Nodes->getNodeAs<NamedDecl>(Id)) {
Name = Named->getNameAsString();
} else if (const NestedNameSpecifier *NNS =
Nodes->getNodeAs<NestedNameSpecifier>(Id)) {
llvm::raw_string_ostream OS(Name);
NNS->print(OS, PrintingPolicy(LangOptions()));
}
return true;
}
@ -647,43 +651,32 @@ private:
const std::string Id;
const int ExpectedCount;
int Count;
const std::string ExpectedDeclName;
std::string DeclName;
};
template <typename T>
class VerifyIdIsBoundToStmt : public BoundNodesCallback {
public:
explicit VerifyIdIsBoundToStmt(const std::string &Id) : Id(Id) {}
virtual bool run(const BoundNodes *Nodes) {
const T *Node = Nodes->getStmtAs<T>(Id);
return Node != NULL;
}
private:
const std::string Id;
const std::string ExpectedName;
std::string Name;
};
TEST(Matcher, BindMatchedNodes) {
DeclarationMatcher ClassX = has(recordDecl(hasName("::X")).bind("x"));
EXPECT_TRUE(matchAndVerifyResultTrue("class X {};",
ClassX, new VerifyIdIsBoundToDecl<CXXRecordDecl>("x")));
ClassX, new VerifyIdIsBoundTo<CXXRecordDecl>("x")));
EXPECT_TRUE(matchAndVerifyResultFalse("class X {};",
ClassX, new VerifyIdIsBoundToDecl<CXXRecordDecl>("other-id")));
ClassX, new VerifyIdIsBoundTo<CXXRecordDecl>("other-id")));
TypeMatcher TypeAHasClassB = hasDeclaration(
recordDecl(hasName("A"), has(recordDecl(hasName("B")).bind("b"))));
EXPECT_TRUE(matchAndVerifyResultTrue("class A { public: A *a; class B {}; };",
TypeAHasClassB,
new VerifyIdIsBoundToDecl<Decl>("b")));
new VerifyIdIsBoundTo<Decl>("b")));
StatementMatcher MethodX =
callExpr(callee(methodDecl(hasName("x")))).bind("x");
EXPECT_TRUE(matchAndVerifyResultTrue("class A { void x() { x(); } };",
MethodX,
new VerifyIdIsBoundToStmt<CXXMemberCallExpr>("x")));
new VerifyIdIsBoundTo<CXXMemberCallExpr>("x")));
}
TEST(Matcher, BindTheSameNameInAlternatives) {
@ -700,7 +693,7 @@ TEST(Matcher, BindTheSameNameInAlternatives) {
// The second branch binds x to f() and succeeds.
"int f() { return 0 + f(); }",
matcher,
new VerifyIdIsBoundToStmt<CallExpr>("x")));
new VerifyIdIsBoundTo<CallExpr>("x")));
}
TEST(Matcher, BindsIDForMemoizedResults) {
@ -712,7 +705,7 @@ TEST(Matcher, BindsIDForMemoizedResults) {
DeclarationMatcher(anyOf(
recordDecl(hasName("A"), hasDescendant(ClassX)),
recordDecl(hasName("B"), hasDescendant(ClassX)))),
new VerifyIdIsBoundToDecl<Decl>("x", 2)));
new VerifyIdIsBoundTo<Decl>("x", 2)));
}
TEST(HasType, TakesQualTypeMatcherAndMatchesExpr) {
@ -1918,13 +1911,13 @@ TEST(AstMatcherPMacro, Works) {
DeclarationMatcher HasClassB = just(has(recordDecl(hasName("B")).bind("b")));
EXPECT_TRUE(matchAndVerifyResultTrue("class A { class B {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("b")));
HasClassB, new VerifyIdIsBoundTo<Decl>("b")));
EXPECT_TRUE(matchAndVerifyResultFalse("class A { class B {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("a")));
HasClassB, new VerifyIdIsBoundTo<Decl>("a")));
EXPECT_TRUE(matchAndVerifyResultFalse("class A { class C {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("b")));
HasClassB, new VerifyIdIsBoundTo<Decl>("b")));
}
AST_POLYMORPHIC_MATCHER_P(
@ -1943,13 +1936,13 @@ TEST(AstPolymorphicMatcherPMacro, Works) {
polymorphicHas(recordDecl(hasName("B")).bind("b"));
EXPECT_TRUE(matchAndVerifyResultTrue("class A { class B {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("b")));
HasClassB, new VerifyIdIsBoundTo<Decl>("b")));
EXPECT_TRUE(matchAndVerifyResultFalse("class A { class B {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("a")));
HasClassB, new VerifyIdIsBoundTo<Decl>("a")));
EXPECT_TRUE(matchAndVerifyResultFalse("class A { class C {}; };",
HasClassB, new VerifyIdIsBoundToDecl<Decl>("b")));
HasClassB, new VerifyIdIsBoundTo<Decl>("b")));
StatementMatcher StatementHasClassB =
polymorphicHas(recordDecl(hasName("B")));
@ -2579,13 +2572,13 @@ TEST(HasConditionVariableStatement, MatchesConditionVariables) {
TEST(ForEach, BindsOneNode) {
EXPECT_TRUE(matchAndVerifyResultTrue("class C { int x; };",
recordDecl(hasName("C"), forEach(fieldDecl(hasName("x")).bind("x"))),
new VerifyIdIsBoundToDecl<FieldDecl>("x", 1)));
new VerifyIdIsBoundTo<FieldDecl>("x", 1)));
}
TEST(ForEach, BindsMultipleNodes) {
EXPECT_TRUE(matchAndVerifyResultTrue("class C { int x; int y; int z; };",
recordDecl(hasName("C"), forEach(fieldDecl().bind("f"))),
new VerifyIdIsBoundToDecl<FieldDecl>("f", 3)));
new VerifyIdIsBoundTo<FieldDecl>("f", 3)));
}
TEST(ForEach, BindsRecursiveCombinations) {
@ -2593,14 +2586,14 @@ TEST(ForEach, BindsRecursiveCombinations) {
"class C { class D { int x; int y; }; class E { int y; int z; }; };",
recordDecl(hasName("C"),
forEach(recordDecl(forEach(fieldDecl().bind("f"))))),
new VerifyIdIsBoundToDecl<FieldDecl>("f", 4)));
new VerifyIdIsBoundTo<FieldDecl>("f", 4)));
}
TEST(ForEachDescendant, BindsOneNode) {
EXPECT_TRUE(matchAndVerifyResultTrue("class C { class D { int x; }; };",
recordDecl(hasName("C"),
forEachDescendant(fieldDecl(hasName("x")).bind("x"))),
new VerifyIdIsBoundToDecl<FieldDecl>("x", 1)));
new VerifyIdIsBoundTo<FieldDecl>("x", 1)));
}
TEST(ForEachDescendant, BindsMultipleNodes) {
@ -2608,7 +2601,7 @@ TEST(ForEachDescendant, BindsMultipleNodes) {
"class C { class D { int x; int y; }; "
" class E { class F { int y; int z; }; }; };",
recordDecl(hasName("C"), forEachDescendant(fieldDecl().bind("f"))),
new VerifyIdIsBoundToDecl<FieldDecl>("f", 4)));
new VerifyIdIsBoundTo<FieldDecl>("f", 4)));
}
TEST(ForEachDescendant, BindsRecursiveCombinations) {
@ -2617,7 +2610,7 @@ TEST(ForEachDescendant, BindsRecursiveCombinations) {
" class E { class F { class G { int y; int z; }; }; }; }; };",
recordDecl(hasName("C"), forEachDescendant(recordDecl(
forEachDescendant(fieldDecl().bind("f"))))),
new VerifyIdIsBoundToDecl<FieldDecl>("f", 8)));
new VerifyIdIsBoundTo<FieldDecl>("f", 8)));
}
@ -2775,7 +2768,7 @@ TEST(HasAncestor, BindsRecursiveCombinations) {
EXPECT_TRUE(matchAndVerifyResultTrue(
"class C { class D { class E { class F { int y; }; }; }; };",
fieldDecl(hasAncestor(recordDecl(hasAncestor(recordDecl().bind("r"))))),
new VerifyIdIsBoundToDecl<CXXRecordDecl>("r", 1)));
new VerifyIdIsBoundTo<CXXRecordDecl>("r", 1)));
}
TEST(HasAncestor, BindsCombinationsWithHasDescendant) {
@ -2787,7 +2780,7 @@ TEST(HasAncestor, BindsCombinationsWithHasDescendant) {
hasAncestor(recordDecl())))
).bind("d")
)),
new VerifyIdIsBoundToDecl<CXXRecordDecl>("d", "E")));
new VerifyIdIsBoundTo<CXXRecordDecl>("d", "E")));
}
TEST(HasAncestor, MatchesInTemplateInstantiations) {
@ -2806,5 +2799,62 @@ TEST(HasAncestor, MatchesInImplicitCode) {
hasAncestor(recordDecl(hasName("A")))))))));
}
TEST(NNS, MatchesNestedNameSpecifiers) {
EXPECT_TRUE(matches("namespace ns { struct A {}; } ns::A a;",
nestedNameSpecifier()));
EXPECT_TRUE(matches("template <typename T> class A { typename T::B b; };",
nestedNameSpecifier()));
EXPECT_TRUE(matches("struct A { void f(); }; void A::f() {}",
nestedNameSpecifier()));
EXPECT_TRUE(matches(
"struct A { static void f() {} }; void g() { A::f(); }",
nestedNameSpecifier()));
EXPECT_TRUE(notMatches(
"struct A { static void f() {} }; void g(A* a) { a->f(); }",
nestedNameSpecifier()));
}
TEST(NNS, MatchesTypes) {
NestedNameSpecifierMatcher Matcher = nestedNameSpecifier(
specifiesType(hasDeclaration(recordDecl(hasName("A")))));
EXPECT_TRUE(matches("struct A { struct B {}; }; A::B b;", Matcher));
EXPECT_TRUE(matches("struct A { struct B { struct C {}; }; }; A::B::C c;",
Matcher));
EXPECT_TRUE(notMatches("namespace A { struct B {}; } A::B b;", Matcher));
}
TEST(NNS, MatchesNamespaceDecls) {
NestedNameSpecifierMatcher Matcher = nestedNameSpecifier(
specifiesNamespace(hasName("ns")));
EXPECT_TRUE(matches("namespace ns { struct A {}; } ns::A a;", Matcher));
EXPECT_TRUE(notMatches("namespace xx { struct A {}; } xx::A a;", Matcher));
EXPECT_TRUE(notMatches("struct ns { struct A {}; }; ns::A a;", Matcher));
}
TEST(NNS, BindsNestedNameSpecifiers) {
EXPECT_TRUE(matchAndVerifyResultTrue(
"namespace ns { struct E { struct B {}; }; } ns::E::B b;",
nestedNameSpecifier(specifiesType(asString("struct ns::E"))).bind("nns"),
new VerifyIdIsBoundTo<NestedNameSpecifier>("nns", "ns::struct E::")));
}
TEST(NNS, BindsNestedNameSpecifierLocs) {
EXPECT_TRUE(matchAndVerifyResultTrue(
"namespace ns { struct B {}; } ns::B b;",
loc(nestedNameSpecifier()).bind("loc"),
new VerifyIdIsBoundTo<NestedNameSpecifierLoc>("loc", 1)));
}
TEST(NNS, MatchesNestedNameSpecifierPrefixes) {
EXPECT_TRUE(matches(
"struct A { struct B { struct C {}; }; }; A::B::C c;",
nestedNameSpecifier(hasPrefix(specifiesType(asString("struct A"))))));
EXPECT_TRUE(matches(
"struct A { struct B { struct C {}; }; }; A::B::C c;",
nestedNameSpecifierLoc(hasPrefix(loc(
specifiesType(asString("struct A")))))));
}
} // end namespace ast_matchers
} // end namespace clang