| Richard Trieu | ecd36ee | 2015-08-12 18:24:59 +0000 | [diff] [blame] | 1 | // RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 0 %s 2>&1 | FileCheck %s --check-prefix=ALL |
| 2 | // RUN: not %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 2 %s 2>&1 | FileCheck %s --check-prefix=SKIP |
| 3 | |
| 4 | #define F(x) x + 1 |
| 5 | #define G(x) F(x) + 2 |
| 6 | #define ADD(x,y) G(x) + y |
| 7 | #define LEVEL4(x) ADD(p,x) |
| 8 | #define LEVEL3(x) LEVEL4(x) |
| 9 | #define LEVEL2(x) LEVEL3(x) |
| 10 | #define LEVEL1(x) LEVEL2(x) |
| 11 | |
| 12 | int a = LEVEL1(b); |
| 13 | |
| 14 | // ALL: {{.*}}:12:9: error: use of undeclared identifier 'p' |
| 15 | // ALL-NEXT: int a = LEVEL1(b); |
| 16 | // ALL-NEXT: ^ |
| 17 | // ALL-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1' |
| 18 | // ALL-NEXT: #define LEVEL1(x) LEVEL2(x) |
| 19 | // ALL-NEXT: ^ |
| 20 | // ALL-NEXT: {{.*}}:9:19: note: expanded from macro 'LEVEL2' |
| 21 | // ALL-NEXT: #define LEVEL2(x) LEVEL3(x) |
| 22 | // ALL-NEXT: ^ |
| 23 | // ALL-NEXT: {{.*}}:8:19: note: expanded from macro 'LEVEL3' |
| 24 | // ALL-NEXT: #define LEVEL3(x) LEVEL4(x) |
| 25 | // ALL-NEXT: ^ |
| 26 | // ALL-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4' |
| 27 | // ALL-NEXT: #define LEVEL4(x) ADD(p,x) |
| 28 | // ALL-NEXT: ^ |
| 29 | // ALL-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b' |
| 30 | // ALL-NEXT: int a = LEVEL1(b); |
| 31 | // ALL-NEXT: ^ |
| 32 | // ALL-NEXT: 2 errors generated. |
| 33 | |
| 34 | // SKIP: {{.*}}:12:9: error: use of undeclared identifier 'p' |
| 35 | // SKIP-NEXT: int a = LEVEL1(b); |
| 36 | // SKIP-NEXT: ^ |
| 37 | // SKIP-NEXT: {{.*}}:10:19: note: expanded from macro 'LEVEL1' |
| 38 | // SKIP-NEXT: #define LEVEL1(x) LEVEL2(x) |
| 39 | // SKIP-NEXT: ^ |
| 40 | // SKIP-NEXT: note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all) |
| 41 | // SKIP-NEXT: {{.*}}:7:23: note: expanded from macro 'LEVEL4' |
| 42 | // SKIP-NEXT: #define LEVEL4(x) ADD(p,x) |
| 43 | // SKIP-NEXT: ^ |
| 44 | // SKIP-NEXT: {{.*}}:12:16: error: use of undeclared identifier 'b' |
| 45 | // SKIP-NEXT: int a = LEVEL1(b); |
| 46 | // SKIP-NEXT: ^ |
| 47 | // SKIP-NEXT: 2 errors generated. |