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-rw-r--r--clang/test/SemaCXX/exceptions.cpp122
1 files changed, 122 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/exceptions.cpp b/clang/test/SemaCXX/exceptions.cpp
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+++ 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) {
+ }
+ }
+}