| #ifdef TEST1 |
| // RUN: %clang_cc1 -E %s -DTEST1 | 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)" |
| |
| #endif |
| |
| #ifdef TEST2 |
| // RUN: %clang_cc1 -fsyntax-only -verify %s -DTEST2 |
| |
| #define HASH # |
| #define INVALID() # |
| // expected-error@-1{{'#' is not followed by a macro parameter}} |
| |
| #endif |
