forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions
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| 
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| // rdar://6495941
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| 
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| #define FOO 1
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| #define BAR "2"
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| 
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| #pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}}
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| #pragma comment(linker," bar=" BAR)
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| 
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| #pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ ) 
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| 
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| #pragma comment(foo)    // expected-error {{unknown kind of pragma comment}}
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| #pragma comment(compiler,)     // expected-error {{expected string literal in pragma comment}}
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| #define foo compiler
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| #pragma comment(foo)   // macro expand kind.
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| #pragma comment(foo) x // expected-error {{pragma comment requires}}
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| 
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| #pragma comment(user, "foo\abar\nbaz\tsome	thing")
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| 
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| #pragma detect_mismatch("test", "1")
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| #pragma detect_mismatch()  // expected-error {{expected string literal in pragma detect_mismatch}}
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| #pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}}
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| #pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}}
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| #pragma detect_mismatch("test", BAR)
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| 
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| // __pragma
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| 
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| __pragma(comment(linker," bar=" BAR))                                            
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| 
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| #define MACRO_WITH__PRAGMA { \
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|   __pragma(warning(push)); \
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|   __pragma(warning(disable: 10000)); \
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|   1 + (2 > 3) ? 4 : 5; \
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|   __pragma(warning(pop)); \
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| }
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| 
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| void f()
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| {
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|   __pragma()
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| 
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|   // If we ever actually *support* __pragma(warning(disable: x)),
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|   // this warning should go away.
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|   MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
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|                      // expected-note 2 {{place parentheses}}
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| }
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| 
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| 
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| // This should include macro_arg_directive even though the include
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| // is looking for test.h  This allows us to assign to "n"
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| #pragma include_alias("test.h", "macro_arg_directive.h" )
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| #include "test.h"
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| void test( void ) {
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|   n = 12;
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| }
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| 
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| #pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
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| #pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
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| #pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
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| 
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| // Make sure that the names match exactly for a replacement, including path information.  If
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| // this were to fail, we would get a file not found error
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| #pragma include_alias(".\pp-record.h", "does_not_exist.h")
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| #include "pp-record.h"
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| 
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| #pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
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| 
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| // It's expected that we can map "bar" and <bar> separately
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| #define test
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| // We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
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| // that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
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| #pragma include_alias(<bar.h>, <stdio.h>)
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| #pragma include_alias("bar.h", "pr2086.h")  // This should #undef test
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| 
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| #include "bar.h"
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| #if defined(test)
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| // This should not warn because test should not be defined
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| #pragma include_alias("test.h")
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| #endif
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| 
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| // Test to make sure there are no use-after-free problems
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| #define B "pp-record.h"
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| #pragma include_alias("quux.h", B)
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| void g() {}
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| #include "quux.h"
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| 
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| // Make sure that empty includes don't work
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| #pragma include_alias("", "foo.h")  // expected-error {{empty filename}}
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| #pragma include_alias(<foo.h>, <>)  // expected-error {{empty filename}}
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