clang/test/Misc/diag-macro-backtrace.c

   1 // RUN: not %clang -fsyntax-only -fno-diagnostics-show-line-numbers -fmacro-backtrace-limit=0 %s 2>&1 | FileCheck %s
   2
   3 #define FOO 1+"hi"
   4 #define BAR FOO
   5 #define BAZ BAR
   6 #define QUZ BAZ
   7 #define TAZ QUZ
   8 #define ABA TAZ
   9 #define BAB ABA
  10 #define ZAZ BAB
  11 #define WAZ ZAZ
  12 #define DROOL WAZ
  13 #define FOOL DROOL
  14
  15 FOOL;
  16
  17 // CHECK: :15:1: error: expected identifier or '('
  18 // CHECK: FOOL
  19 // CHECK: ^
  20 // CHECK: :13:14: note: expanded from macro 'FOOL'
  21 // CHECK: #define FOOL DROOL
  22 // CHECK:              ^
  23 // CHECK: :12:15: note: expanded from macro 'DROOL'
  24 // CHECK: #define DROOL WAZ
  25 // CHECK:               ^
  26 // CHECK: :11:13: note: expanded from macro 'WAZ'
  27 // CHECK: #define WAZ ZAZ
  28 // CHECK:             ^
  29 // CHECK: :10:13: note: expanded from macro 'ZAZ'
  30 // CHECK: #define ZAZ BAB
  31 // CHECK:             ^
  32 // CHECK: :9:13: note: expanded from macro 'BAB'
  33 // CHECK: #define BAB ABA
  34 // CHECK:             ^
  35 // CHECK: :8:13: note: expanded from macro 'ABA'
  36 // CHECK: #define ABA TAZ
  37 // CHECK:             ^
  38 // CHECK: :7:13: note: expanded from macro 'TAZ'
  39 // CHECK: #define TAZ QUZ
  40 // CHECK:             ^
  41 // CHECK: :6:13: note: expanded from macro 'QUZ'
  42 // CHECK: #define QUZ BAZ
  43 // CHECK:             ^
  44 // CHECK: :5:13: note: expanded from macro 'BAZ'
  45 // CHECK: #define BAZ BAR
  46 // CHECK:             ^
  47 // CHECK: :4:13: note: expanded from macro 'BAR'
  48 // CHECK: #define BAR FOO
  49 // CHECK:             ^
  50 // CHECK: :3:13: note: expanded from macro 'FOO'
  51 // CHECK: #define FOO 1+"hi"
  52 // CHECK:             ^
  53
  54 #define ADD(a, b) a ## #b
  55 ADD(L, foo)
  56 // CHECK:    error: expected identifier or '('
  57 // CHECK:    ADD(L, foo)
  58 // CHECK: {{^\^}}
  59 // CHECK:    note: expanded from macro 'ADD'
  60 // CHECK:    #define ADD(a, b) a ## #b
  61 // CHECK: {{^                  \^}}
  62 // CHECK:    note: expanded from here
  63 // CHECK:    L"foo"
  64 // CHECK: {{^\^}}
  65
  66 // CHECK: 2 errors generated.