44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
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// RUN: not %clang_cc1 -fsyntax-only %s 2>&1 | FileCheck %s -strict-whitespace
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#define NO_INITIATION(x) int a = x * 2
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#define NO_DEFINITION(x) int c = x * 2
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NO_INITIATION(a);
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NO_DEFINITION(b);
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// CHECK: {{.*}}:6:15: warning: variable 'a' is uninitialized when used within its own initialization
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// CHECK-NEXT: NO_INITIATION(a);
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// CHECK-NEXT: ~~~~~~~~~~~~~~^~
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// CHECK-NEXT: {{.*}}:3:34: note: expanded from macro 'NO_INITIATION'
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// CHECK-NEXT: #define NO_INITIATION(x) int a = x * 2
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// CHECK-NEXT: ~ ^
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// CHECK: {{.*}}:7:15: error: use of undeclared identifier 'b'
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// CHECK-NEXT: NO_DEFINITION(b);
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// CHECK-NEXT: ^
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#define F(x) x + 1
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#define ADD(x,y) y + F(x)
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#define SWAP_ARGU(x,y) ADD(y,x)
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int p = SWAP_ARGU(3, x);
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// CHECK: {{.*}}:25:23: error: use of undeclared identifier 'x'
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// CHECK-NEXT: int p = SWAP_ARGU(3, x);
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// CHECK-NEXT: ^
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#define APPLY(f,x,y) x f y
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struct node {
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};
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node ff;
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int r = APPLY(+,ff,1);
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// CHECK: {{.*}}:38:15: error: invalid operands to binary expression ('node' and 'int')
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// CHECK-NEXT: int r = APPLY(+,ff,1);
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// CHECK-NEXT: ^ ~~ ~
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// CHECK-NEXT: {{.*}}:31:24: note: expanded from macro 'APPLY'
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// CHECK-NEXT: #define APPLY(f,x,y) x f y
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// CHECK-NEXT: ~ ^ ~
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