42 lines
864 B
C
42 lines
864 B
C
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#ifdef TEST1
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// RUN: %clang_cc1 -E %s -DTEST1 | FileCheck -strict-whitespace %s
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#define M(x, y) #x #y
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M( f(1, 2), g((x=y++, y)))
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// CHECK: "f(1, 2)" "g((x=y++, y))"
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M( {a=1 , b=2;} ) /* A semicolon is not a comma */
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// CHECK: "{a=1" "b=2;}"
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M( <, [ ) /* Passes the arguments < and [ */
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// CHECK: "<" "["
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M( (,), (...) ) /* Passes the arguments (,) and (...) */
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// CHECK: "(,)" "(...)"
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#define START_END(start, end) start c=3; end
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START_END( {a=1 , b=2;} ) /* braces are not parentheses */
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// CHECK: {a=1 c=3; b=2;}
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/*
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* To pass a comma token as an argument it is
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* necessary to write:
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*/
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#define COMMA ,
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M(a COMMA b, (a, b))
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// CHECK: "a COMMA b" "(a, b)"
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#endif
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#ifdef TEST2
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// RUN: %clang_cc1 -fsyntax-only -verify %s -DTEST2
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#define HASH #
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#define INVALID() #
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// expected-error@-1{{'#' is not followed by a macro parameter}}
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#endif
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