llvm-project/clang/test/Parser/objc-try-catch-1.m

71 lines
1.4 KiB
Objective-C

// RUN: %clang_cc1 -fsyntax-only -verify -fobjc-exceptions %s
// RUN: %clang_cc1 -fsyntax-only -verify -fobjc-exceptions -x objective-c++ %s
void * proc();
@interface NSConstantString
@end
@interface Frob
@end
@interface Frob1
@end
void * foo()
{
@try {
return proc();
}
@catch (Frob* ex) {
@throw;
}
@catch (Frob1* ex) {
@throw proc();
}
@finally {
@try {
return proc();
}
@catch (Frob* ex) {
@throw 1,2; // expected-error {{@throw requires an Objective-C object type ('int' invalid)}} \
// expected-warning {{expression result unused}}
}
@catch (float x) { // expected-error {{@catch parameter is not a pointer to an interface type}}
}
@catch(...) {
@throw (4,3,proc()); // expected-warning {{expression result unused}} \
// expected-warning {{expression result unused}}
}
}
@try { // expected-error {{@try statement without a @catch and @finally clause}}
return proc();
}
}
void bar()
{
@try {}// expected-error {{@try statement without a @catch and @finally clause}}
@"s"; // expected-warning {{result unused}}
}
void baz()
{
@try {}// expected-error {{@try statement without a @catch and @finally clause}}
@try {}
@finally {}
}
void noTwoTokenLookAheadRequiresABitOfFancyFootworkInTheParser() {
@try {
// Do something
} @catch (...) {}
@try {
// Do something
} @catch (...) {}
return;
}