URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [cpp/] [defined.c] - Rev 816
Compare with Previous | Blame | View Log
/* Copyright (C) 2000 Free Software Foundation, Inc. */ /* { dg-do preprocess } */ /* Tests behavior of the defined operator. */ /* Source: Neil Booth, 29 Oct 2000, Zack Weinberg 11 Dec 2000. */ #define defined /* { dg-error "defined" } */ /* No diagnostics, though you could argue there should be. */ #if defined defined #error defined is defined! #endif #define is_Z_defined defined Z #if defined Z #error Z is not defined #endif /* The behavior of "defined" when it comes from a macro expansion is now documented. */ #if is_Z_defined #error Macro expanding into defined operator test 1 #endif #define Z #if !defined Z #error Z is defined #endif #if !is_Z_defined #error Macro expanding into defined operator test 2 #endif #undef is_Z_defined #undef Z /* Do all the tests over again with the () form of defined. */ /* No diagnostics, though you could argue there should be. */ #if defined(defined) #error defined is defined! #endif #define is_Z_defined defined ( Z ) #if defined(Z) #error Z is not defined #endif /* The behavior of "defined" when it comes from a macro expansion is now documented. */ #if is_Z_defined #error Macro expanding into defined operator test 1 #endif #define Z #if !defined(Z) #error Z is defined #endif #if !is_Z_defined #error Macro expanding into defined operator test 2 #endif /* Use of defined in different contexts. */ #define bad1 defined #if !bad1 Z /* { dg-warning "may not be portable" } */ #error Z is defined #endif #if !bad1 (Z) /* { dg-warning "may not be portable" } */ #error Z is defined #endif #define bad2 defined (Z #if !bad2) /* { dg-warning "may not be portable" } */ #error Z is defined #endif