Alessandro Bonazzi
e075990ed3
Files correlati : Commento : Aggiunto il preprocessore c++ mcpp per sostituire il compilatore nella compilazione delle maschere.
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* n_10.c: #if, #elif, #else and #endif pp-directive. */
|
|
|
|
#define MACRO_0 0
|
|
#define MACRO_1 1
|
|
|
|
/* 10.1: */
|
|
/* Note: an undefined identifier in #if expression is replaced to 0. */
|
|
/* 1; */
|
|
#if a
|
|
a;
|
|
#elif MACRO_0
|
|
MACRO_0;
|
|
#elif MACRO_1 /* Valid block */
|
|
MACRO_1;
|
|
#else
|
|
0;
|
|
#endif
|
|
|
|
/* 10.2: Comments must be processed even if in skipped #if block. */
|
|
/* At least tokenization of string literal and character constant is necessary
|
|
to process comments, e.g. /* is not a comment mark in string literal.
|
|
*/
|
|
#ifdef UNDEFINED
|
|
/* Comment */
|
|
"in literal /* is not a comment"
|
|
#endif /* No excess-errors */
|
|
|
|
/* { dg-do preprocess }
|
|
{ dg-options "-ansi -w" }
|
|
{ dg-final { if ![file exist n_10.i] { return } } }
|
|
{ dg-final { if \{ [grep n_10.i "1" ] != "" \} \{ } }
|
|
{ dg-final { return \} } }
|
|
{ dg-final { fail "n_10.c: #if, #elif, #else and #endif" } }
|
|
*/
|
|
|