forked from OSchip/llvm-project
47 lines
2.0 KiB
C
47 lines
2.0 KiB
C
/* RUN: %clang_cc1 %s -Eonly -std=c89 -pedantic -verify
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*/
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/* PR3937 */
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#define zero() 0
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#define one(x) 0
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#define two(x, y) 0
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#define zero_dot(...) 0 /* expected-warning {{variadic macros were introduced in C99}} */
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#define one_dot(x, ...) 0 /* expected-warning {{variadic macros were introduced in C99}} */
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zero()
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zero(1); /* expected-error {{too many arguments provided to function-like macro invocation}} */
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zero(1, 2, 3); /* expected-error {{too many arguments provided to function-like macro invocation}} */
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one() /* ok */
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one(a)
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one(a,) /* expected-error {{too many arguments provided to function-like macro invocation}} */
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one(a, b) /* expected-error {{too many arguments provided to function-like macro invocation}} */
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two() /* expected-error {{too few arguments provided to function-like macro invocation}} */
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two(a) /* expected-error {{too few arguments provided to function-like macro invocation}} */
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two(a,b)
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two(a, ) /* expected-warning {{empty macro arguments were standardized in C99}} */
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two(a,b,c) /* expected-error {{too many arguments provided to function-like macro invocation}} */
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two(
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, /* expected-warning {{empty macro arguments were standardized in C99}} */
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, /* expected-warning {{empty macro arguments were standardized in C99}} \
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expected-error {{too many arguments provided to function-like macro invocation}} */
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)
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two(,) /* expected-warning 2 {{empty macro arguments were standardized in C99}} */
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/* PR4006 & rdar://6807000 */
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#define e(...) __VA_ARGS__ /* expected-warning {{variadic macros were introduced in C99}} */
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e(x)
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e()
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zero_dot()
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one_dot(x) /* empty ... argument: expected-warning {{varargs argument missing, but tolerated as an extension}} */
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one_dot() /* empty first argument, elided ...: expected-warning {{varargs argument missing, but tolerated as an extension}} */
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/* rdar://6816766 - Crash with function-like macro test at end of directive. */
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#define E() (i == 0)
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#if E
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#endif
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