e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
54 lines
2.6 KiB
C
54 lines
2.6 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 /* expected-note 2 {{defined here}} */
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#define one(x) 0 /* expected-note 2 {{defined here}} */
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#define two(x, y) 0 /* expected-note 4 {{defined here}} */
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#define zero_dot(...) 0 /* expected-warning {{variadic macros are a C99 feature}} */
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#define one_dot(x, ...) 0 /* expected-warning {{variadic macros are a C99 feature}} expected-note 2{{macro 'one_dot' defined here}} */
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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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expected-warning {{empty macro arguments are a C99 feature}}*/
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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 are a C99 feature}} */
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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 are a C99 feature}} */
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, /* expected-warning {{empty macro arguments are a C99 feature}} \
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expected-error {{too many arguments provided to function-like macro invocation}} */
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) /* expected-warning {{empty macro arguments are a C99 feature}} */
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two(,) /* expected-warning 2 {{empty macro arguments are a C99 feature}} */
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/* PR4006 & rdar://6807000 */
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#define e(...) __VA_ARGS__ /* expected-warning {{variadic macros are a C99 feature}} */
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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 {{must specify at least one argument for '...' parameter of variadic macro}} */
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one_dot() /* empty first argument, elided ...: expected-warning {{must specify at least one argument for '...' parameter of variadic macro}} */
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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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/* <rdar://problem/12292192> */
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#define NSAssert(condition, desc, ...) /* expected-warning {{variadic macros are a C99 feature}} */ \
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SomeComplicatedStuff((desc), ##__VA_ARGS__) /* expected-warning {{token pasting of ',' and __VA_ARGS__ is a GNU extension}} */
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NSAssert(somecond, somedesc)
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