b402580616
The diagnostic system for Clang can already handle many AST nodes. Instead of converting them to strings first, just hand the AST node directly to the diagnostic system and let it handle the output. Minor changes in some diagnostic output. llvm-svn: 328688
200 lines
5.7 KiB
C
200 lines
5.7 KiB
C
// RUN: %clang_cc1 -ffreestanding -Eonly -verify %s
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// Try different path permutations of __has_include with existing file.
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#if __has_include("stdint.h")
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#else
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#error "__has_include failed (1)."
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#endif
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#if __has_include(<stdint.h>)
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#else
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#error "__has_include failed (2)."
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#endif
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// Try unary expression.
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#if !__has_include("stdint.h")
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#error "__has_include failed (5)."
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#endif
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// Try binary expression.
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#if __has_include("stdint.h") && __has_include("stddef.h")
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#else
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#error "__has_include failed (6)."
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#endif
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// Try non-existing file.
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#if __has_include("blahblah.h")
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#error "__has_include failed (7)."
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#endif
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// Try defined.
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#if !defined(__has_include)
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#error "defined(__has_include) failed (8)."
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#endif
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// Try different path permutations of __has_include_next with existing file.
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#if __has_include_next("stddef.h") // expected-warning {{#include_next in primary source file}}
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#else
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#error "__has_include failed (1)."
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#endif
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#if __has_include_next(<stddef.h>) // expected-warning {{#include_next in primary source file}}
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#else
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#error "__has_include failed (2)."
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#endif
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// Try unary expression.
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#if !__has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}}
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#error "__has_include_next failed (5)."
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#endif
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// Try binary expression.
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#if __has_include_next("stdint.h") && __has_include("stddef.h") // expected-warning {{#include_next in primary source file}}
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#else
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#error "__has_include_next failed (6)."
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#endif
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// Try non-existing file.
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#if __has_include_next("blahblah.h") // expected-warning {{#include_next in primary source file}}
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#error "__has_include_next failed (7)."
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#endif
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// Try defined.
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#if !defined(__has_include_next)
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#error "defined(__has_include_next) failed (8)."
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#endif
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// Fun with macros
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#define MACRO1 __has_include(<stdint.h>)
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#define MACRO2 ("stdint.h")
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#define MACRO3 ("blahblah.h")
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#define MACRO4 blahblah.h>)
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#define MACRO5 <stdint.h>
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#if !MACRO1
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#error "__has_include with macro failed (1)."
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#endif
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#if !__has_include MACRO2
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#error "__has_include with macro failed (2)."
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#endif
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#if __has_include MACRO3
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#error "__has_include with macro failed (3)."
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#endif
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#if __has_include(<MACRO4
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#error "__has_include with macro failed (4)."
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#endif
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#if !__has_include(MACRO5)
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#error "__has_include with macro failed (2)."
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#endif
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// Try as non-preprocessor directives
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void foo( void ) {
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__has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}} expected-error {{'__has_include_next' must be used within a preprocessing directive}}
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__has_include("stdint.h") // expected-error {{'__has_include' must be used within a preprocessing directive}}
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}
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MACRO1 // expected-error {{'__has_include' must be used within a preprocessing directive}}
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#if 1
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MACRO1 // expected-error {{'__has_include' must be used within a preprocessing directive}}
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#endif
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#if 0
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#elif 1
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MACRO1 // expected-error {{'__has_include' must be used within a preprocessing directive}}
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#endif
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#if 0
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MACRO1 // This should be fine because it is never actually reached
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#endif
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// Try badly formed expressions.
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// FIXME: We can recover better in almost all of these cases. (PR13335)
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// expected-error@+1 {{missing '(' after '__has_include'}}
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#if __has_include "stdint.h")
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}}
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#if __has_include(stdint.h)
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}}
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#if __has_include()
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#endif
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// expected-error@+1 {{missing '(' after '__has_include'}}
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#if __has_include)
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#endif
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// expected-error@+1 {{missing '(' after '__has_include'}}
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#if __has_include<stdint.h>)
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-warning@+1 {{missing terminating '"' character}} expected-error@+1 {{invalid token at start of a preprocessor expression}}
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#if __has_include("stdint.h)
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-warning@+1 {{missing terminating '"' character}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}}
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#if __has_include(stdint.h")
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} expected-error@+1 {{token is not a valid binary operator in a preprocessor subexpression}}
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#if __has_include(stdint.h>)
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#endif
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// expected-error@+1 {{'__has_include' must be used within a preprocessing directive}}
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__has_include
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// expected-error@+1 {{missing ')' after '__has_include'}} // expected-error@+1 {{expected value in expression}} // expected-note@+1 {{to match this '('}}
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#if __has_include("stdint.h"
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} // expected-error@+1 {{expected value in expression}}
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#if __has_include(
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#endif
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// expected-error@+1 {{missing '(' after '__has_include'}} // expected-error@+1 {{expected value in expression}}
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#if __has_include
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#endif
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// expected-error@+1 {{missing '(' after '__has_include'}}
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#if __has_include'x'
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}}
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#if __has_include('x'
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME}} expected-error@+1 {{expected end of line in preprocessor expression}}
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#if __has_include('x')
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#endif
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// expected-error@+1 {{missing ')' after '__has_include'}} // expected-error@+1 {{expected value in expression}} // expected-note@+1 {{to match this '('}}
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#if __has_include(<stdint.h>
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#endif
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// expected-error@+1 {{expected "FILENAME" or <FILENAME>}} // expected-error@+1 {{expected value in expression}}
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#if __has_include(<stdint.h)
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#endif
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#define HAS_INCLUDE(header) __has_include(header)
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#if HAS_INCLUDE(<stdint.h>)
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#else
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#error "__has_include failed (9)."
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#endif
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#if FOO
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#elif __has_include(<foo>)
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#endif
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// PR15539
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#ifdef FOO
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#elif __has_include(<foo>)
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#endif
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