Implements the thisExpr matcher.
Patch by Gabor Horvath.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@166477 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/ASTMatchers/ASTMatchers.h b/include/clang/ASTMatchers/ASTMatchers.h
index 712b324..b26bc62 100644
--- a/include/clang/ASTMatchers/ASTMatchers.h
+++ b/include/clang/ASTMatchers/ASTMatchers.h
@@ -546,6 +546,18 @@
Stmt,
CXXConstructExpr> constructExpr;
+/// \brief Matches implicit and explicit this expressions.
+///
+/// Example matches the implicit this expression in "return i".
+/// (matcher = thisExpr())
+/// \code
+/// struct foo {
+/// int i;
+/// int f() { return i; }
+/// };
+/// \endcode
+const internal::VariadicDynCastAllOfMatcher<Stmt, CXXThisExpr> thisExpr;
+
/// \brief Matches nodes where temporaries are created.
///
/// Example matches FunctionTakesString(GetStringByValue())
diff --git a/unittests/ASTMatchers/ASTMatchersTest.cpp b/unittests/ASTMatchers/ASTMatchersTest.cpp
index 5c97f3a..a97e90d 100644
--- a/unittests/ASTMatchers/ASTMatchersTest.cpp
+++ b/unittests/ASTMatchers/ASTMatchersTest.cpp
@@ -1333,6 +1333,13 @@
Constructor1Arg));
}
+TEST(Matcher,ThisExpr) {
+ EXPECT_TRUE(
+ matches("struct X { int a; int f () { return a; } };", thisExpr()));
+ EXPECT_TRUE(
+ notMatches("struct X { int f () { int a; return a; } };", thisExpr()));
+}
+
TEST(Matcher, BindTemporaryExpression) {
StatementMatcher TempExpression = bindTemporaryExpr();