Index: cfe/trunk/docs/LibASTMatchersReference.html =================================================================== --- cfe/trunk/docs/LibASTMatchersReference.html +++ cfe/trunk/docs/LibASTMatchersReference.html @@ -2843,6 +2843,20 @@ +
Matches FunctionDecls that have a noreturn attribute. + +Given + void nope(); + [[noreturn]] void a(); + __attribute__((noreturn)) void b(); + struct c { [[noreturn]] c(); }; +functionDecl(isNoReturn()) + matches all of those except + void nope(); +
Matches functions that have a non-throwing exception specification. Index: cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h =================================================================== --- cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h +++ cfe/trunk/include/clang/ASTMatchers/ASTMatchers.h @@ -3567,6 +3567,24 @@ return Node.getNumParams() == N; } +/// \brief Matches \c FunctionDecls that have a noreturn attribute. +/// +/// Given +/// \code +/// void nope(); +/// [[noreturn]] void a(); +/// __attribute__((noreturn)) void b(); +/// struct c { [[noreturn]] c(); }; +/// \endcode +/// functionDecl(isNoReturn()) +/// matches all of those except +/// \code +/// void nope(); +/// \endcode +AST_MATCHER(FunctionDecl, isNoReturn) { + return Node.isNoReturn(); +} + /// \brief Matches the return type of a function declaration. /// /// Given: Index: cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp =================================================================== --- cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp +++ cfe/trunk/lib/ASTMatchers/Dynamic/Registry.cpp @@ -354,6 +354,7 @@ REGISTER_MATCHER(isMemberInitializer); REGISTER_MATCHER(isMoveAssignmentOperator); REGISTER_MATCHER(isMoveConstructor); + REGISTER_MATCHER(isNoReturn); REGISTER_MATCHER(isNoThrow); REGISTER_MATCHER(isOverride); REGISTER_MATCHER(isPrivate); Index: cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp =================================================================== --- cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp +++ cfe/trunk/unittests/ASTMatchers/ASTMatchersNarrowingTest.cpp @@ -1770,6 +1770,84 @@ functionDecl(isExplicitTemplateSpecialization()))); } +TEST(TypeMatching, MatchesNoReturn) { + EXPECT_TRUE(notMatches("void func();", functionDecl(isNoReturn()))); + EXPECT_TRUE(notMatches("void func() {}", functionDecl(isNoReturn()))); + + EXPECT_TRUE(notMatchesC("void func();", functionDecl(isNoReturn()))); + EXPECT_TRUE(notMatchesC("void func() {}", functionDecl(isNoReturn()))); + + EXPECT_TRUE( + notMatches("struct S { void func(); };", functionDecl(isNoReturn()))); + EXPECT_TRUE( + notMatches("struct S { void func() {} };", functionDecl(isNoReturn()))); + + EXPECT_TRUE(notMatches("struct S { static void func(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE(notMatches("struct S { static void func() {} };", + functionDecl(isNoReturn()))); + + EXPECT_TRUE(notMatches("struct S { S(); };", functionDecl(isNoReturn()))); + EXPECT_TRUE(notMatches("struct S { S() {} };", functionDecl(isNoReturn()))); + + // --- + + EXPECT_TRUE(matches("[[noreturn]] void func();", functionDecl(isNoReturn()))); + EXPECT_TRUE( + matches("[[noreturn]] void func() {}", functionDecl(isNoReturn()))); + + EXPECT_TRUE(matches("struct S { [[noreturn]] void func(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("struct S { [[noreturn]] void func() {} };", + functionDecl(isNoReturn()))); + + EXPECT_TRUE(matches("struct S { [[noreturn]] static void func(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("struct S { [[noreturn]] static void func() {} };", + functionDecl(isNoReturn()))); + + EXPECT_TRUE( + matches("struct S { [[noreturn]] S(); };", functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("struct S { [[noreturn]] S() {} };", + functionDecl(isNoReturn()))); + + // --- + + EXPECT_TRUE(matches("__attribute__((noreturn)) void func();", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("__attribute__((noreturn)) void func() {}", + functionDecl(isNoReturn()))); + + EXPECT_TRUE(matches("struct S { __attribute__((noreturn)) void func(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("struct S { __attribute__((noreturn)) void func() {} };", + functionDecl(isNoReturn()))); + + EXPECT_TRUE( + matches("struct S { __attribute__((noreturn)) static void func(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE( + matches("struct S { __attribute__((noreturn)) static void func() {} };", + functionDecl(isNoReturn()))); + + EXPECT_TRUE(matches("struct S { __attribute__((noreturn)) S(); };", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matches("struct S { __attribute__((noreturn)) S() {} };", + functionDecl(isNoReturn()))); + + // --- + + EXPECT_TRUE(matchesC("__attribute__((noreturn)) void func();", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matchesC("__attribute__((noreturn)) void func() {}", + functionDecl(isNoReturn()))); + + EXPECT_TRUE(matchesC("_Noreturn void func();", + functionDecl(isNoReturn()))); + EXPECT_TRUE(matchesC("_Noreturn void func() {}", + functionDecl(isNoReturn()))); +} + TEST(TypeMatching, MatchesBool) { EXPECT_TRUE(matches("struct S { bool func(); };", cxxMethodDecl(returns(booleanType()))));