r205420 - Add matcher for ExprWithCleanups.
Samuel Benzaquen
sbenza at google.com
Wed Apr 2 06:12:14 PDT 2014
Author: sbenza
Date: Wed Apr 2 08:12:14 2014
New Revision: 205420
URL: http://llvm.org/viewvc/llvm-project?rev=205420&view=rev
Log:
Add matcher for ExprWithCleanups.
Summary: Add matcher for ExprWithCleanups.
Reviewers: klimek
CC: cfe-commits, klimek
Differential Revision: http://llvm-reviews.chandlerc.com/D3248
Modified:
cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
Modified: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h?rev=205420&r1=205419&r2=205420&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Wed Apr 2 08:12:14 2014
@@ -662,6 +662,16 @@ const internal::VariadicDynCastAllOfMatc
Stmt,
CXXMemberCallExpr> memberCallExpr;
+/// \brief Matches expressions that introduce cleanups to be run at the end
+/// of the sub-expression's evaluation.
+///
+/// Example matches std::string()
+/// \code
+/// const std::string str = std::string();
+/// \endcode
+const internal::VariadicDynCastAllOfMatcher<Stmt, ExprWithCleanups>
+exprWithCleanups;
+
/// \brief Matches init list expressions.
///
/// Given
Modified: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp?rev=205420&r1=205419&r2=205420&view=diff
==============================================================================
--- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp (original)
+++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp Wed Apr 2 08:12:14 2014
@@ -149,6 +149,7 @@ RegistryMaps::RegistryMaps() {
REGISTER_MATCHER(equalsBoundNode);
REGISTER_MATCHER(explicitCastExpr);
REGISTER_MATCHER(expr);
+ REGISTER_MATCHER(exprWithCleanups);
REGISTER_MATCHER(fieldDecl);
REGISTER_MATCHER(floatLiteral);
REGISTER_MATCHER(forEach);
Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=205420&r1=205419&r2=205420&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Wed Apr 2 08:12:14 2014
@@ -2943,6 +2943,15 @@ TEST(DeclarationStatement, MatchesVariab
EXPECT_TRUE(matches("void x() { int a; }", declStmt()));
}
+TEST(ExprWithCleanups, MatchesExprWithCleanups) {
+ EXPECT_TRUE(matches("struct Foo { ~Foo(); };"
+ "const Foo f = Foo();",
+ varDecl(hasInitializer(exprWithCleanups()))));
+ EXPECT_FALSE(matches("struct Foo { };"
+ "const Foo f = Foo();",
+ varDecl(hasInitializer(exprWithCleanups()))));
+}
+
TEST(InitListExpression, MatchesInitListExpression) {
EXPECT_TRUE(matches("int a[] = { 1, 2 };",
initListExpr(hasType(asString("int [2]")))));
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