clang/test/Preprocessor/output_paste_avoid.cpp

   1 // RUN: %clang_cc1 -E -std=c++11 %s -o - | FileCheck -strict-whitespace %s
   2
   3
   4 #define y(a) ..a
   5 A: y(.)
   6 // This should print as ".. ." to avoid turning into ...
   7 // CHECK: A: .. .
   8
   9 #define X 0 .. 1
  10 B: X
  11 // CHECK: B: 0 .. 1
  12
  13 #define DOT .
  14 C: ..DOT
  15 // CHECK: C: .. .
  16
  17
  18 #define PLUS +
  19 #define EMPTY
  20 #define f(x) =x=
  21 D: +PLUS -EMPTY- PLUS+ f(=)
  22 // CHECK: D: + + - - + + = = =
  23
  24
  25 #define test(x) L#x
  26 E: test(str)
  27 // Should expand to L "str" not L"str"
  28 // CHECK: E: L "str"
  29
  30 // Should avoid producing >>=.
  31 #define equal =
  32 F: >>equal
  33 // CHECK: F: >> =
  34
  35 // Make sure we don't introduce spaces in the guid because we try to avoid
  36 // pasting '-' to a numeric constant.
  37 #define TYPEDEF(guid)   typedef [uuid(guid)]
  38 TYPEDEF(66504301-BE0F-101A-8BBB-00AA00300CAB) long OLE_COLOR;
  39 // CHECK: typedef [uuid(66504301-BE0F-101A-8BBB-00AA00300CAB)] long OLE_COLOR;
  40
  41 // Be careful with UD-suffixes.
  42 #define StrSuffix() "abc"_suffix
  43 #define IntSuffix() 123_suffix
  44 UD: StrSuffix()ident
  45 UD: IntSuffix()ident
  46 // CHECK: UD: "abc"_suffix ident
  47 // CHECK: UD: 123_suffix ident