Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
		
			
				
	
	
		
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* n_13_13.c:   #if expression with macros. */
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#define ZERO_TOKEN
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#define MACRO_0         0
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#define MACRO_1         1
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#define and             &&
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#define or              ||
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#define not_eq          !=
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#define bitor           |
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/* 13.13:   With macros expanding to operators. */
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/*  Valid block */
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#if     (1 bitor 2) == 3 and 4 not_eq 5 or 0
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    /* #if (1 | 2) == 3 && 4 != 5 || 0  */
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    Valid block 1
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#else
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    Block to be skipped
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#endif
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/* 13.14:   With macros expanding to 0 token, nonsence but legal expression.*/
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/*  Valid block */
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#if     ZERO_TOKEN MACRO_1 ZERO_TOKEN > ZERO_TOKEN MACRO_0 ZERO_TOKEN
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    /* #if 1 > 0    */
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    Valid block 2
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#else
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    Block to be skipped
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#endif
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/* { dg-do preprocess }
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   { dg-options "-ansi -w" }
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   { dg-final { if ![file exist n_13_13.i] { return }                   } }
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   { dg-final { if \{ [grep n_13_13.i "Valid block 1"] != ""    \} \{   } }
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   { dg-final { if \{ [grep n_13_13.i "Valid block 2"] != ""    \} \{   } }
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   { dg-final { return \} \}                                            } }
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   { dg-final { fail "n_13_13.c: #if expression with macros"            } }
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 */
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