forked from OSchip/llvm-project
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
// RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 0 %s 2>&1 | FileCheck %s --check-prefix=ALL
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// RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 2 %s 2>&1 | FileCheck %s --check-prefix=SKIP
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#define F(x) x + 1
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#define G(x) F(x) + 2
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#define ADD(x,y) G(x) + y
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#define LEVEL4(x) ADD(p,x)
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#define LEVEL3(x) LEVEL4(x)
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#define LEVEL2(x) LEVEL3(x)
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#define LEVEL1(x) LEVEL2(x)
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int a = LEVEL1(b);
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// ALL: {{.*}}:12:9: error: use of undeclared identifier 'p'
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// ALL-NEXT: int a = LEVEL1(b);
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// ALL-NEXT: ^
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// ALL-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1'
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// ALL-NEXT: #define LEVEL1(x) LEVEL2(x)
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// ALL-NEXT: ^
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// ALL-NEXT: {{.*}}:9:19: note: expanded from macro 'LEVEL2'
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// ALL-NEXT: #define LEVEL2(x) LEVEL3(x)
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// ALL-NEXT: ^
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// ALL-NEXT: {{.*}}:8:19: note: expanded from macro 'LEVEL3'
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// ALL-NEXT: #define LEVEL3(x) LEVEL4(x)
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// ALL-NEXT: ^
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// ALL-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4'
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// ALL-NEXT: #define LEVEL4(x) ADD(p,x)
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// ALL-NEXT: ^
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// ALL-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b'
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// ALL-NEXT: int a = LEVEL1(b);
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// ALL-NEXT: ^
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// ALL-NEXT: 2 errors generated.
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// SKIP: {{.*}}:12:9: error: use of undeclared identifier 'p'
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// SKIP-NEXT: int a = LEVEL1(b);
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// SKIP-NEXT: ^
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// SKIP-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1'
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// SKIP-NEXT: #define LEVEL1(x) LEVEL2(x)
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// SKIP-NEXT: ^
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// SKIP-NEXT: note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
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// SKIP-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4'
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// SKIP-NEXT: #define LEVEL4(x) ADD(p,x)
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// SKIP-NEXT: ^
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// SKIP-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b'
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// SKIP-NEXT: int a = LEVEL1(b);
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// SKIP-NEXT: ^
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// SKIP-NEXT: 2 errors generated.
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