1// RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s
2
3#define M(x, y) #x #y
4
5M( f(1, 2), g((x=y++, y)))
6// CHECK: "f(1, 2)" "g((x=y++, y))"
7
8M( {a=1 , b=2;} ) /* A semicolon is not a comma */
9// CHECK: "{a=1" "b=2;}"
10
11M( <, [ ) /* Passes the arguments < and [ */
12// CHECK: "<" "["
13
14M( (,), (...) ) /* Passes the arguments (,) and (...) */
15// CHECK: "(,)" "(...)"
16
17#define START_END(start, end) start c=3; end
18
19START_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
28M(a COMMA b, (a, b))
29// CHECK: "a COMMA b" "(a, b)"
30
31