| 1 | #ifdef TEST1 |
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| 2 | // RUN: %clang_cc1 -E %s -DTEST1 | FileCheck -strict-whitespace %s |
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| 3 | |
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| 4 | #define M(x, y) #x #y |
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| 5 | |
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| 6 | M( f(1, 2), g((x=y++, y))) |
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| 7 | // CHECK: "f(1, 2)" "g((x=y++, y))" |
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| 8 | |
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| 9 | M( {a=1 , b=2;} ) /* A semicolon is not a comma */ |
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| 10 | // CHECK: "{a=1" "b=2;}" |
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| 11 | |
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| 12 | M( <, [ ) /* Passes the arguments < and [ */ |
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| 13 | // CHECK: "<" "[" |
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| 14 | |
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| 15 | M( (,), (...) ) /* Passes the arguments (,) and (...) */ |
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| 16 | // CHECK: "(,)" "(...)" |
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| 17 | |
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| 18 | #define START_END(start, end) start c=3; end |
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| 19 | |
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| 20 | START_END( {a=1 , b=2;} ) /* braces are not parentheses */ |
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| 21 | // CHECK: {a=1 c=3; b=2;} |
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| 22 | |
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| 23 | /* |
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| 24 | * To pass a comma token as an argument it is |
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| 25 | * necessary to write: |
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| 26 | */ |
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| 27 | #define COMMA , |
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| 28 | |
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| 29 | M(a COMMA b, (a, b)) |
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| 30 | // CHECK: "a COMMA b" "(a, b)" |
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| 31 | |
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| 32 | #endif |
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| 33 | |
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| 34 | #ifdef TEST2 |
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| 35 | // RUN: %clang_cc1 -fsyntax-only -verify %s -DTEST2 |
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| 36 | |
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| 37 | #define HASH # |
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| 38 | #define INVALID() # |
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| 39 | // expected-error@-1{{'#' is not followed by a macro parameter}} |
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| 40 | |
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| 41 | #endif |
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| 42 | |
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