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. 48
