From 3790613579db81a9f78a7ddad5382dbeec43a07a Mon Sep 17 00:00:00 2001
From: Dmitri Gribenko <gribozavr@gmail.com>
Date: Mon, 24 Feb 2014 09:27:46 +0000
Subject: [PATCH] ASTMatchers: added CXXMethodDecl matcher isPure()
The isPure() CXXMethodDecl matcher matches pure method declaration like "A::x"
in this example:
class A {
virtual void x() = 0;
}
Patch by Konrad Kleine.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@202012 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/clang/ASTMatchers/ASTMatchers.h | 16 +++++++++++++++-
unittests/ASTMatchers/ASTMatchersTest.cpp | 7 +++++++
2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h
index e010133ca23..167b0fc7906 100644
--- a/include/clang/ASTMatchers/ASTMatchers.h
+++ b/include/clang/ASTMatchers/ASTMatchers.h
@@ -555,7 +555,7 @@ const internal::VariadicDynCastAllOfMatcher<
///
/// Example matches y
/// \code
-/// class X { void y() };
+/// class X { void y(); };
/// \endcode
const internal::VariadicDynCastAllOfMatcher<Decl, CXXMethodDecl> methodDecl;
@@ -2656,6 +2656,20 @@ AST_MATCHER(CXXMethodDecl, isVirtual) {
return Node.isVirtual();
}
+/// \brief Matches if the given method declaration is pure.
+///
+/// Given
+/// \code
+/// class A {
+/// public:
+/// virtual void x() = 0;
+/// };
+/// \endcode
+/// matches A::x
+AST_MATCHER(CXXMethodDecl, isPure) {
+ return Node.isPure();
+}
+
/// \brief Matches if the given method declaration is const.
///
/// Given
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index cf77f2f4dd5..aa3c795b57d 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1588,6 +1588,13 @@ TEST(Matcher, MatchesVirtualMethod) {
methodDecl(isVirtual())));
}
+TEST(Matcher, MatchesPureMethod) {
+ EXPECT_TRUE(matches("class X { virtual int f() = 0; };",
+ methodDecl(isPure(), hasName("::X::f"))));
+ EXPECT_TRUE(notMatches("class X { int f(); };",
+ methodDecl(isPure())));
+}
+
TEST(Matcher, MatchesConstMethod) {
EXPECT_TRUE(matches("struct A { void foo() const; };",
methodDecl(isConst())));
--
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