Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
		
			
				
	
	
		
			40 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* n_26.c:  The name once replaced is not furthur replaced. */
 | |
| 
 | |
| /* 26.1:    Directly recursive object-like macro definition.    */
 | |
| /*  Z(0);   */
 | |
| #define Z   Z(0)
 | |
|     Z;
 | |
| 
 | |
| /* 26.2:    Intermediately recursive object-like macro definition.  */
 | |
| /*  AB; */
 | |
| #define AB  BA
 | |
| #define BA  AB
 | |
|     AB;
 | |
| 
 | |
| /* 26.3:    Directly recursive function-like macro definition.  */
 | |
| /*  x + f(x);   */
 | |
| #define f(a)    a + f(a)
 | |
|     f( x);
 | |
| 
 | |
| /* 26.4:    Intermediately recursive function-like macro definition.    */
 | |
| /*  x + x + g( x);  */
 | |
| #define g(a)    a + h( a)
 | |
| #define h(a)    a + g( a)
 | |
|     g( x);
 | |
| 
 | |
| /* 26.5:    Rescanning encounters the non-replaced macro name.  */
 | |
| /*  Z(0) + f( Z(0));    */
 | |
|     f( Z);
 | |
| 
 | |
| /* { dg-do preprocess }
 | |
|    { dg-final { if ![file exist n_26.i] { return }                      } }
 | |
|    { dg-final { if \{ [grep n_26.i "Z\\(0\\)"] != ""            \} \{   } }
 | |
|    { dg-final { if \{ [grep n_26.i "AB"] != ""                  \} \{   } }
 | |
|    { dg-final { if \{ [grep n_26.i "x *\\+ f\\( *x *\\)"] != "" \} \{   } }
 | |
|    { dg-final { if \{ [grep n_26.i "x *\\+ *x *\\+ *g\\( *x *\\)"] != ""    \} \{   } }
 | |
|    { dg-final { if \{ [grep n_26.i "Z\\(0\\) *\\+ f\\( *Z\\(0\\) *\\)"] != ""   \} \{   } }
 | |
|    { dg-final { return \} \} \} \} \}                                   } }
 | |
|    { dg-final { fail "n_26.c: recursive macro"                          } }
 | |
|  */
 | |
| 
 |