[cfe-commits] r164123 - in /cfe/trunk: include/clang/ASTMatchers/ASTMatchers.h unittests/ASTMatchers/ASTMatchersTest.cpp

[Daniel Jasper]

Author: djasper
Date: Tue Sep 18 08:36:17 2012
New Revision: 164123

URL: http://llvm.org/viewvc/llvm-project?rev=164123&view=rev
Log:
Add missing matcher for C-style cast expressions.

Patch by Gábor Horváth.

Modified:
    cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h
    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=164123&r1=164122&r2=164123&view=diff
==============================================================================
--- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h (original)
+++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h Tue Sep 18 08:36:17 2012
@@ -865,6 +865,16 @@
   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

Modified: cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp?rev=164123&r1=164122&r2=164123&view=diff
==============================================================================
--- cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp (original)
+++ cfe/trunk/unittests/ASTMatchers/ASTMatchersTest.cpp Tue Sep 18 08:36:17 2012
@@ -2229,6 +2229,20 @@
                          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(