| 1 | // RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 0 %s 2>&1 | FileCheck %s --check-prefix=ALL |
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| 2 | // RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 2 %s 2>&1 | FileCheck %s --check-prefix=SKIP |
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| 3 | |
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| 4 | #define F(x) x + 1 |
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| 5 | #define G(x) F(x) + 2 |
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| 6 | #define ADD(x,y) G(x) + y |
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| 7 | #define LEVEL4(x) ADD(p,x) |
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| 8 | #define LEVEL3(x) LEVEL4(x) |
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| 9 | #define LEVEL2(x) LEVEL3(x) |
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| 10 | #define LEVEL1(x) LEVEL2(x) |
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| 11 | |
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| 12 | int a = LEVEL1(b); |
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| 13 | |
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| 14 | // ALL: {{.*}}:12:9: error: use of undeclared identifier 'p' |
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| 15 | // ALL-NEXT: int a = LEVEL1(b); |
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| 16 | // ALL-NEXT: ^ |
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| 17 | // ALL-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1' |
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| 18 | // ALL-NEXT: #define LEVEL1(x) LEVEL2(x) |
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| 19 | // ALL-NEXT: ^ |
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| 20 | // ALL-NEXT: {{.*}}:9:19: note: expanded from macro 'LEVEL2' |
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| 21 | // ALL-NEXT: #define LEVEL2(x) LEVEL3(x) |
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| 22 | // ALL-NEXT: ^ |
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| 23 | // ALL-NEXT: {{.*}}:8:19: note: expanded from macro 'LEVEL3' |
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| 24 | // ALL-NEXT: #define LEVEL3(x) LEVEL4(x) |
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| 25 | // ALL-NEXT: ^ |
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| 26 | // ALL-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4' |
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| 27 | // ALL-NEXT: #define LEVEL4(x) ADD(p,x) |
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| 28 | // ALL-NEXT: ^ |
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| 29 | // ALL-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b' |
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| 30 | // ALL-NEXT: int a = LEVEL1(b); |
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| 31 | // ALL-NEXT: ^ |
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| 32 | // ALL-NEXT: 2 errors generated. |
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| 33 | |
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| 34 | // SKIP: {{.*}}:12:9: error: use of undeclared identifier 'p' |
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| 35 | // SKIP-NEXT: int a = LEVEL1(b); |
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| 36 | // SKIP-NEXT: ^ |
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| 37 | // SKIP-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1' |
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| 38 | // SKIP-NEXT: #define LEVEL1(x) LEVEL2(x) |
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| 39 | // SKIP-NEXT: ^ |
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| 40 | // SKIP-NEXT: note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) |
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| 41 | // SKIP-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4' |
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| 42 | // SKIP-NEXT: #define LEVEL4(x) ADD(p,x) |
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| 43 | // SKIP-NEXT: ^ |
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| 44 | // SKIP-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b' |
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| 45 | // SKIP-NEXT: int a = LEVEL1(b); |
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| 46 | // SKIP-NEXT: ^ |
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| 47 | // SKIP-NEXT: 2 errors generated. |
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| 48 | |
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