Commit 514e3c36 authored by Stephen Kelly's avatar Stephen Kelly
Browse files

Add missing tests for parent traversal

parent 61b56340

clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp

+60 −0
Original line number Diff line number Diff line
@@ -1633,6 +1633,15 @@ void foo() 
              traverse(ast_type_traits::TK_IgnoreImplicitCastsAndParentheses,

                       Matcher)));



  auto ParentMatcher = floatLiteral(hasParent(varDecl(hasName("i"))));



  EXPECT_TRUE(

      notMatches(VarDeclCode, traverse(ast_type_traits::TK_AsIs, ParentMatcher)));

  EXPECT_TRUE(

      matches(VarDeclCode,

              traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                       ParentMatcher)));



  EXPECT_TRUE(

      matches(VarDeclCode, decl(traverse(ast_type_traits::TK_AsIs,

                                         anyOf(cxxRecordDecl(), varDecl())))));
@@ -1714,6 +1723,13 @@ void bar() 
      functionDecl(hasName("foo"), traverse(ast_type_traits::TK_AsIs,

                                            hasDescendant(floatLiteral())))));



  EXPECT_TRUE(

      notMatches(Code, traverse(ast_type_traits::TK_AsIs, floatLiteral(hasParent(callExpr(callee(functionDecl(hasName("foo")))))))));

  EXPECT_TRUE(

      matches(Code,

              traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                       floatLiteral(hasParent(callExpr(callee(functionDecl(hasName("foo")))))))));



  Code = R"cpp(

void foo()

{
@@ -1724,6 +1740,10 @@ void foo() 
      matches(Code,

              traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                       varDecl(hasInitializer(integerLiteral(equals(3)))))));

  EXPECT_TRUE(

      matches(Code,

              traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                       integerLiteral(equals(3), hasParent(varDecl(hasName("i")))))));

}



template <typename MatcherT>
@@ -1905,12 +1925,21 @@ void func14() { 
                     returnStmt(forFunction(functionDecl(hasName("func1"))),

                                hasReturnValue(integerLiteral(equals(42)))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        integerLiteral(equals(42), hasParent(returnStmt(forFunction(functionDecl(hasName("func1"))))))

                     )));



  EXPECT_TRUE(matches(

      Code,

      traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

               returnStmt(forFunction(functionDecl(hasName("func2"))),

                          hasReturnValue(cxxTemporaryObjectExpr(

                              hasArgument(0, integerLiteral(equals(42)))))))));

  EXPECT_TRUE(matches(

      Code,

      traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        integerLiteral(equals(42), hasParent(cxxTemporaryObjectExpr(hasParent(returnStmt(forFunction(functionDecl(hasName("func2")))))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,
@@ -1919,6 +1948,10 @@ void func14() { 
                                    cxxFunctionalCastExpr(hasSourceExpression(

                                        integerLiteral(equals(42)))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        integerLiteral(equals(42), hasParent(cxxFunctionalCastExpr(hasParent(returnStmt(forFunction(functionDecl(hasName("func3")))) )))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                     returnStmt(forFunction(functionDecl(hasName("func4"))),
@@ -1957,18 +1990,32 @@ void func14() { 
                                hasReturnValue(

                                    declRefExpr(to(varDecl(hasName("a")))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        declRefExpr(to(varDecl(hasName("a"))), hasParent(returnStmt(forFunction(functionDecl(hasName("func10")))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                     returnStmt(forFunction(functionDecl(hasName("func11"))),

                                hasReturnValue(

                                    declRefExpr(to(varDecl(hasName("b")))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        declRefExpr(to(varDecl(hasName("b"))), hasParent(returnStmt(forFunction(functionDecl(hasName("func11"))))))

                     )));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                     returnStmt(forFunction(functionDecl(hasName("func12"))),

                                hasReturnValue(

                                    declRefExpr(to(varDecl(hasName("c")))))))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

        declRefExpr(to(varDecl(hasName("c"))), hasParent(returnStmt(forFunction(functionDecl(hasName("func12"))))))

                     )));



  EXPECT_TRUE(matches(

      Code,

      traverse(
@@ -1980,6 +2027,19 @@ void func14() { 
                                                   varDecl(hasName("c"))))))),

                     has(parmVarDecl(hasName("d")))))));



  EXPECT_TRUE(matches(

      Code,

      traverse(

          ast_type_traits::TK_IgnoreUnlessSpelledInSource,

          declRefExpr(to(varDecl(hasName("a"))), hasParent( lambdaExpr(forFunction(functionDecl(hasName("func13")))) )))));



  EXPECT_TRUE(matches(

      Code,

      traverse(

          ast_type_traits::TK_IgnoreUnlessSpelledInSource,

          varDecl(hasName("b"), hasInitializer(declRefExpr(to(

                                                   varDecl(hasName("c"))))), hasParent( lambdaExpr(forFunction(functionDecl(hasName("func13")))) )))));



  EXPECT_TRUE(matches(

      Code, traverse(ast_type_traits::TK_IgnoreUnlessSpelledInSource,

                     lambdaExpr(