gcc/testsuite/gcc.dg/cpp/directiv.c

   1 /* Copyright (C) 2000 Free Software Foundation, Inc.  */
   2
   3 /* { dg-do preprocess } */
   4 /* { dg-options -pedantic } */
   5
   6 /* Tests general directive syntax, and directive error recovery.  */
   7
   8
   9 /* Test directive name is not expanded.  */
  10 #define foo define
  11 #foo EMPTY                      /* { dg-error "invalid" } */
  12
  13 /* Test # must be first on line.  */
  14 EMPTY #define bar
  15 #ifdef bar
  16 #error bar is defined
  17 #endif
  18
  19 /* Test form feed and vertical tab warn pedantically, see 6.10
  20    paragraph 5.  Tab is OK.  */
  21 #\fdefine something              /* { dg-warning "form feed" } */
  22 #define \vsomething_else /* { dg-warning "vertical tab" } */
  23 \f#define some   thing           /* Tab OK, as is form feed before #.  */
  24
  25 /* Our friend the null directive OK?  */
  26 #
  27
  28 /* Check newlines end directives, even in function-like macro
  29    invocations.  6.10 paragraph 1.
  30
  31    Note that the #if is still treated as a conditional, so there
  32    should be no errors about #endif without #if.  */
  33 #define func(x) x
  34 #if func (                      /* { dg-error "unterminated argument" } */
  35 #endif