| // RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s | |
| #define M(x, y) #x #y | |
| M( f(1, 2), g((x=y++, y))) | |
| // CHECK: "f(1, 2)" "g((x=y++, y))" | |
| M( {a=1 , b=2;} ) /* A semicolon is not a comma */ | |
| // CHECK: "{a=1" "b=2;}" | |
| M( <, [ ) /* Passes the arguments < and [ */ | |
| // CHECK: "<" "[" | |
| M( (,), (...) ) /* Passes the arguments (,) and (...) */ | |
| // CHECK: "(,)" "(...)" | |
| #define START_END(start, end) start c=3; end | |
| START_END( {a=1 , b=2;} ) /* braces are not parentheses */ | |
| // CHECK: {a=1 c=3; b=2;} | |
| /* | |
| * To pass a comma token as an argument it is | |
| * necessary to write: | |
| */ | |
| #define COMMA , | |
| M(a COMMA b, (a, b)) | |
| // CHECK: "a COMMA b" "(a, b)" | |