diff options
Diffstat (limited to 'clang/test/SemaCXX/exceptions.cpp')
-rw-r--r-- | clang/test/SemaCXX/exceptions.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/exceptions.cpp b/clang/test/SemaCXX/exceptions.cpp new file mode 100644 index 0000000..486d88e --- /dev/null +++ b/clang/test/SemaCXX/exceptions.cpp @@ -0,0 +1,122 @@ +// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify %s + +struct A; // expected-note 4 {{forward declaration of 'A'}} + +struct Abstract { virtual void f() = 0; }; // expected-note {{unimplemented pure virtual method 'f'}} + +void trys() { + try { + } catch(int i) { // expected-note {{previous definition}} + int j = i; + int i; // expected-error {{redefinition of 'i'}} + } catch(float i) { + } catch(void v) { // expected-error {{cannot catch incomplete type 'void'}} + } catch(A a) { // expected-error {{cannot catch incomplete type 'A'}} + } catch(A *a) { // expected-error {{cannot catch pointer to incomplete type 'A'}} + } catch(A &a) { // expected-error {{cannot catch reference to incomplete type 'A'}} + } catch(Abstract) { // expected-error {{variable type 'Abstract' is an abstract class}} + } catch(...) { + int j = i; // expected-error {{use of undeclared identifier 'i'}} + } + + try { + } catch(...) { // expected-error {{catch-all handler must come last}} + } catch(int) { + } +} + +void throws() { + throw; + throw 0; + throw throw; // expected-error {{cannot throw object of incomplete type 'void'}} + throw (A*)0; // expected-error {{cannot throw pointer to object of incomplete type 'A'}} +} + +void jumps() { +l1: + goto l5; + goto l4; // expected-error {{goto into protected scope}} + goto l3; // expected-error {{goto into protected scope}} + goto l2; // expected-error {{goto into protected scope}} + goto l1; + try { // expected-note 4 {{jump bypasses initialization of try block}} + l2: + goto l5; + goto l4; // expected-error {{goto into protected scope}} + goto l3; // expected-error {{goto into protected scope}} + goto l2; + goto l1; + } catch(int) { // expected-note 4 {{jump bypasses initialization of catch block}} + l3: + goto l5; + goto l4; // expected-error {{goto into protected scope}} + goto l3; + goto l2; // expected-error {{goto into protected scope}} + goto l1; + } catch(...) { // expected-note 4 {{jump bypasses initialization of catch block}} + l4: + goto l5; + goto l4; + goto l3; // expected-error {{goto into protected scope}} + goto l2; // expected-error {{goto into protected scope}} + goto l1; + } +l5: + goto l5; + goto l4; // expected-error {{goto into protected scope}} + goto l3; // expected-error {{goto into protected scope}} + goto l2; // expected-error {{goto into protected scope}} + goto l1; +} + +struct BadReturn { + BadReturn() try { + } catch(...) { + // Try to hide + try { + } catch(...) { + { + if (0) + return; // expected-error {{return in the catch of a function try block of a constructor is illegal}} + } + } + } + BadReturn(int); +}; + +BadReturn::BadReturn(int) try { +} catch(...) { + // Try to hide + try { + } catch(int) { + return; // expected-error {{return in the catch of a function try block of a constructor is illegal}} + } catch(...) { + { + if (0) + return; // expected-error {{return in the catch of a function try block of a constructor is illegal}} + } + } +} + +// Cannot throw an abstract type. +class foo { +public: + foo() {} + void bar () { + throw *this; // expected-error{{cannot throw an object of abstract type 'foo'}} + } + virtual void test () = 0; // expected-note{{unimplemented pure virtual method 'test'}} +}; + +namespace PR6831 { + namespace NA { struct S; } + namespace NB { struct S; } + + void f() { + using namespace NA; + using namespace NB; + try { + } catch (int S) { + } + } +} |