diff options
| -rw-r--r-- | clang/include/clang/ASTMatchers/ASTMatchers.h | 10 | ||||
| -rw-r--r-- | clang/unittests/ASTMatchers/ASTMatchersTest.cpp | 14 |
2 files changed, 24 insertions, 0 deletions
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h index 9fdd9333b5b..2a1acdb0e63 100644 --- a/clang/include/clang/ASTMatchers/ASTMatchers.h +++ b/clang/include/clang/ASTMatchers/ASTMatchers.h @@ -865,6 +865,16 @@ const internal::VariadicDynCastAllOfMatcher< Stmt, CXXConstCastExpr> constCastExpr; +/// \brief Matches a C-style cast expression. +/// +/// Example: Matches (int*) 2.2f in +/// \code +/// int i = (int) 2.2f; +/// \endcode +const internal::VariadicDynCastAllOfMatcher< + Stmt, + CStyleCastExpr> cStyleCastExpr; + /// \brief Matches explicit cast expressions. /// /// Matches any cast expression written in user code, whether it be a diff --git a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp index 348034f0ed3..b8ffaa43001 100644 --- a/clang/unittests/ASTMatchers/ASTMatchersTest.cpp +++ b/clang/unittests/ASTMatchers/ASTMatchersTest.cpp @@ -2229,6 +2229,20 @@ TEST(StaticCast, DoesNotMatchOtherCasts) { staticCastExpr())); } +TEST(CStyleCast, MatchesSimpleCase) { + EXPECT_TRUE(matches("int i = (int) 2.2f;", cStyleCastExpr())); +} + +TEST(CStyleCast, DoesNotMatchOtherCasts) { + EXPECT_TRUE(notMatches("char* p = static_cast<char*>(0);" + "char q, *r = const_cast<char*>(&q);" + "void* s = reinterpret_cast<char*>(&s);" + "struct B { virtual ~B() {} }; struct D : B {};" + "B b;" + "D* t = dynamic_cast<D*>(&b);", + cStyleCastExpr())); +} + TEST(HasDestinationType, MatchesSimpleCase) { EXPECT_TRUE(matches("char* p = static_cast<char*>(0);", staticCastExpr(hasDestinationType( |
