From 0c997f594bf24e14e3250967de78e14fd8674dfc Mon Sep 17 00:00:00 2001
From: Szabolcs Sipos <szabolcs.sipos@ericsson.com>
Date: Fri, 22 May 2015 11:35:50 +0000
Subject: [PATCH] Adding new AST matcher: isConstexpr
It matches constexpr variable and function declarations.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@238016 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/clang/ASTMatchers/ASTMatchers.h | 17 +++++++++++++++++
unittests/ASTMatchers/ASTMatchersTest.cpp | 7 +++++++
2 files changed, 24 insertions(+)
diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h
index 94906d190bf..7f9764619c2 100644
--- a/include/clang/ASTMatchers/ASTMatchers.h
+++ b/include/clang/ASTMatchers/ASTMatchers.h
@@ -2709,6 +2709,23 @@ AST_MATCHER(FunctionDecl, isDeleted) {
return Node.isDeleted();
}
+/// \brief Matches constexpr variable and function declarations.
+///
+/// Given:
+/// \code
+/// constexpr int foo = 42;
+/// constexpr int bar();
+/// \endcode
+/// varDecl(isConstexpr())
+/// matches the declaration of foo.
+/// functionDecl(isConstexpr())
+/// matches the declaration of bar.
+AST_POLYMORPHIC_MATCHER(isConstexpr,
+ AST_POLYMORPHIC_SUPPORTED_TYPES(VarDecl,
+ FunctionDecl)) {
+ return Node.isConstexpr();
+}
+
/// \brief Matches the condition expression of an if statement, for loop,
/// or conditional operator.
///
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index 6f1cf3fe2c8..ae363e974b5 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1595,6 +1595,13 @@ TEST(IsDeleted, MatchesDeletedFunctionDeclarations) {
functionDecl(hasName("Func"), isDeleted())));
}
+TEST(isConstexpr, MatchesConstexprDeclarations) {
+ EXPECT_TRUE(matches("constexpr int foo = 42;",
+ varDecl(hasName("foo"), isConstexpr())));
+ EXPECT_TRUE(matches("constexpr int bar();",
+ functionDecl(hasName("bar"), isConstexpr())));
+}
+
TEST(HasAnyParameter, DoesntMatchIfInnerMatcherDoesntMatch) {
EXPECT_TRUE(notMatches("class Y {}; class X { void x(int) {} };",
methodDecl(hasAnyParameter(hasType(recordDecl(hasName("X")))))));
--
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