Shih-wei Liao | ea28516 | 2010-06-04 12:34:56 -0700 | [diff] [blame] | 1 | // RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s |
| 2 | |
| 3 | #define M(x, y) #x #y |
| 4 | |
| 5 | M( f(1, 2), g((x=y++, y))) |
| 6 | // CHECK: "f(1, 2)" "g((x=y++, y))" |
| 7 | |
| 8 | M( {a=1 , b=2;} ) /* A semicolon is not a comma */ |
| 9 | // CHECK: "{a=1" "b=2;}" |
| 10 | |
| 11 | M( <, [ ) /* Passes the arguments < and [ */ |
| 12 | // CHECK: "<" "[" |
| 13 | |
| 14 | M( (,), (...) ) /* Passes the arguments (,) and (...) */ |
| 15 | // CHECK: "(,)" "(...)" |
| 16 | |
| 17 | #define START_END(start, end) start c=3; end |
| 18 | |
| 19 | START_END( {a=1 , b=2;} ) /* braces are not parentheses */ |
| 20 | // CHECK: {a=1 c=3; b=2;} |
| 21 | |
| 22 | /* |
| 23 | * To pass a comma token as an argument it is |
| 24 | * necessary to write: |
| 25 | */ |
| 26 | #define COMMA , |
| 27 | |
| 28 | M(a COMMA b, (a, b)) |
| 29 | // CHECK: "a COMMA b" "(a, b)" |
| 30 | |