http://reviews.llvm.org/D8149
Files:
include/clang/ASTMatchers/ASTMatchers.h
lib/ASTMatchers/Dynamic/Registry.cpp
unittests/ASTMatchers/ASTMatchersTest.cpp
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Index: include/clang/ASTMatchers/ASTMatchers.h
===================================================================
--- include/clang/ASTMatchers/ASTMatchers.h
+++ include/clang/ASTMatchers/ASTMatchers.h
@@ -168,6 +168,21 @@
/// matches "typedef int X"
const internal::VariadicDynCastAllOfMatcher<Decl, TypedefDecl> typedefDecl;
+/// \brief Matches the underlying type of a typedef declaration
+///
+/// Given
+/// \code
+/// typedef int X;
+/// typedef float Y;
+/// \endcode
+/// typedefDecl(hasUnderlyingType(asString("int")))
+/// matches "typedef int X"
+AST_MATCHER_P(TypedefDecl, hasUnderlyingType, internal::Matcher<QualType>,
+ InnerMatcher) {
+ QualType UnderlyingType = Node.getUnderlyingType();
+ return InnerMatcher.matches(UnderlyingType, Finder, Builder);
+}
+
/// \brief Matches AST nodes that were expanded within the main-file.
///
/// Example matches X but not Y (matcher = recordDecl(isExpansionInMainFile())
@@ -2651,16 +2666,24 @@
Node.param_end(), Finder, Builder);
}
-/// \brief Matches \c FunctionDecls that have a specific parameter count.
+/// \brief Matches \c FunctionDecls and FunctionProtoTypes that have a specific
+/// parameter count.
///
/// Given
/// \code
/// void f(int i) {}
/// void g(int i, int j) {}
+/// void h(int i, int j);
+/// void j(int i);
/// \endcode
/// functionDecl(parameterCountIs(2))
-/// matches g(int i, int j) {}
-AST_MATCHER_P(FunctionDecl, parameterCountIs, unsigned, N) {
+/// matches void g(int i, int j) {}
+/// functionProtoType(parameterCountIs(2))
+/// matches void h(int i, int j)
+AST_POLYMORPHIC_MATCHER_P(parameterCountIs,
+ AST_POLYMORPHIC_SUPPORTED_TYPES(FunctionDecl,
+ FunctionProtoType),
+ unsigned, N) {
return Node.getNumParams() == N;
}
@@ -3566,6 +3589,17 @@
/// matches "int (*f)(int)" and the type of "g".
AST_TYPE_MATCHER(FunctionType, functionType);
+/// \brief Matches \c FunctionProtoType nodes.
+///
+/// Given
+/// \code
+/// int (*f)(int);
+/// void g();
+/// \endcode
+/// functionProtoType()
+/// matches "int (*f)(int)" and the type of "g".
+AST_TYPE_MATCHER(FunctionProtoType, functionProtoType);
+
/// \brief Matches \c ParenType nodes.
///
/// Given
Index: lib/ASTMatchers/Dynamic/Registry.cpp
===================================================================
--- lib/ASTMatchers/Dynamic/Registry.cpp
+++ lib/ASTMatchers/Dynamic/Registry.cpp
@@ -165,6 +165,7 @@
REGISTER_MATCHER(friendDecl);
REGISTER_MATCHER(functionalCastExpr);
REGISTER_MATCHER(functionDecl);
+ REGISTER_MATCHER(functionProtoType);
REGISTER_MATCHER(functionTemplateDecl);
REGISTER_MATCHER(functionType);
REGISTER_MATCHER(gotoStmt);
@@ -228,6 +229,7 @@
REGISTER_MATCHER(hasTrueExpression);
REGISTER_MATCHER(hasTypeLoc);
REGISTER_MATCHER(hasUnaryOperand);
+ REGISTER_MATCHER(hasUnderlyingType);
REGISTER_MATCHER(hasUnarySelector);
REGISTER_MATCHER(hasValueType);
REGISTER_MATCHER(ifStmt);
Index: unittests/ASTMatchers/ASTMatchersTest.cpp
===================================================================
--- unittests/ASTMatchers/ASTMatchersTest.cpp
+++ unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -4012,6 +4012,12 @@
EXPECT_TRUE(matches("void f(int i) {}", functionType()));
}
+TEST(TypeMatching, MatchesFunctionProtoTypes) {
+ EXPECT_TRUE(matches("int (*f)(int);", functionProtoType()));
+ EXPECT_TRUE(matches("void f(int i);", functionProtoType()));
+ EXPECT_TRUE(matches("void f();", functionProtoType(parameterCountIs(0))));
+}
+
TEST(TypeMatching, MatchesParenType) {
EXPECT_TRUE(
matches("int (*array)[4];", varDecl(hasType(pointsTo(parenType())))));
@@ -4668,6 +4674,11 @@
typedefDecl(hasName("typedefDeclTest"))));
}
+TEST(HasUnderlyingTypeMatcher, Match) {
+ EXPECT_TRUE(matches("typedef int hasUnderlyingTypeTest;",
+ typedefDecl(hasUnderlyingType(asString("int")))));
+}
+
// FIXME: Figure out how to specify paths so the following tests pass on Windows.
#ifndef LLVM_ON_WIN32
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