forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			131 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -Wassign-enum -Wswitch-enum -Wcovered-switch-default %s
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| 
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| enum Enum {
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|   A0 = 1, A1 = 10
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| };
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| 
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| enum __attribute__((enum_extensibility(closed))) EnumClosed {
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|   B0 = 1, B1 = 10
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| };
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| 
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| enum __attribute__((enum_extensibility(open))) EnumOpen {
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|   C0 = 1, C1 = 10
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| };
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| 
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| enum __attribute__((flag_enum)) EnumFlag {
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|   D0 = 1, D1 = 8
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| };
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| 
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| enum __attribute__((flag_enum,enum_extensibility(closed))) EnumFlagClosed {
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|   E0 = 1, E1 = 8
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| };
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| 
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| enum __attribute__((flag_enum,enum_extensibility(open))) EnumFlagOpen {
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|   F0 = 1, F1 = 8
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| };
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| 
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| enum __attribute__((enum_extensibility(arg1))) EnumInvalidArg { // expected-warning{{'enum_extensibility' attribute argument not supported: 'arg1'}}
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|   X0
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| };
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| 
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| // FIXME: The warning should mention that enum_extensibility takes only one argument.
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| enum __attribute__((enum_extensibility(closed,open))) EnumTooManyArgs { // expected-error{{use of undeclared identifier 'open'}}
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|   X1
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| };
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| 
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| enum __attribute__((enum_extensibility())) EnumTooFewArgs { // expected-error{{'enum_extensibility' attribute takes one argument}}
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|   X2
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| };
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| 
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| struct __attribute__((enum_extensibility(open))) S { // expected-warning{{'enum_extensibility' attribute only applies to enums}}{
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| };
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| 
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| void test() {
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|   enum Enum t0 = 100; // expected-warning{{integer constant not in range of enumerated type}}
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|   t0 = 1;
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| 
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|   switch (t0) { // expected-warning{{enumeration value 'A1' not handled in switch}}
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|   case A0: break;
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|   case 16: break; // expected-warning{{case value not in enumerated type}}
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|   }
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| 
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|   switch (t0) {
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|   case A0: break;
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|   case A1: break;
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|   default: break; // expected-warning{{default label in switch which covers all enumeration}}
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|   }
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| 
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|   enum EnumClosed t1 = 100; // expected-warning{{integer constant not in range of enumerated type}}
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|   t1 = 1;
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| 
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|   switch (t1) { // expected-warning{{enumeration value 'B1' not handled in switch}}
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|   case B0: break;
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|   case 16: break; // expected-warning{{case value not in enumerated type}}
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|   }
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| 
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|   switch (t1) {
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|   case B0: break;
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|   case B1: break;
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|   default: break; // expected-warning{{default label in switch which covers all enumeration}}
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|   }
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| 
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|   enum EnumOpen t2 = 100;
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|   t2 = 1;
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| 
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|   switch (t2) { // expected-warning{{enumeration value 'C1' not handled in switch}}
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|   case C0: break;
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|   case 16: break;
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|   }
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| 
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|   switch (t2) {
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|   case C0: break;
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|   case C1: break;
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|   default: break;
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|   }
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| 
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|   enum EnumFlag t3 = 5; // expected-warning{{integer constant not in range of enumerated type}}
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|   t3 = 9;
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| 
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|   switch (t3) { // expected-warning{{enumeration value 'D1' not handled in switch}}
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|   case D0: break;
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|   case 9: break;
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|   case 16: break; // expected-warning{{case value not in enumerated type}}
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|   }
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| 
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|   switch (t3) {
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|   case D0: break;
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|   case D1: break;
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|   default: break;
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|   }
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| 
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|   enum EnumFlagClosed t4 = 5; // expected-warning{{integer constant not in range of enumerated type}}
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|   t4 = 9;
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| 
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|   switch (t4) { // expected-warning{{enumeration value 'E1' not handled in switch}}
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|   case E0: break;
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|   case 9: break;
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|   case 16: break; // expected-warning{{case value not in enumerated type}}
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|   }
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| 
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|   switch (t4) {
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|   case E0: break;
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|   case E1: break;
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|   default: break;
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|   }
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| 
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|   enum EnumFlagOpen t5 = 5;
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|   t5 = 9;
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| 
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|   switch (t5) { // expected-warning{{enumeration value 'F1' not handled in switch}}
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|   case F0: break;
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|   case 9: break;
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|   case 16: break;
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|   }
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| 
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|   switch (t5) {
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|   case F0: break;
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|   case F1: break;
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|   default: break;
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|   }
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| }
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