diff options
Diffstat (limited to 'gcc/cppexp.c')
| -rw-r--r-- | gcc/cppexp.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/cppexp.c b/gcc/cppexp.c index 330236e..f037924 100644 --- a/gcc/cppexp.c +++ b/gcc/cppexp.c @@ -27,6 +27,7 @@ Written by Per Bothner 1994. */ #include "config.h" #include "system.h" #include "cpplib.h" +#include "cpphash.h" #ifdef MULTIBYTE_CHARS #include <locale.h> @@ -445,6 +446,7 @@ cpp_lex (pfile, skip_evaluation) int paren = 0, len; cpp_buffer *ip = CPP_BUFFER (pfile); U_CHAR *tok; + HASHNODE *hp; cpp_skip_hspace (pfile); if (*ip->cur == '(') @@ -469,9 +471,14 @@ cpp_lex (pfile, skip_evaluation) goto oops; ++ip->cur; } - if (cpp_lookup (pfile, tok, len, -1)) - op.value = 1; - + hp = cpp_lookup (pfile, tok, len, -1); + if (hp != NULL) + { + if (hp->type == T_POISON) + cpp_error (pfile, "attempt to use poisoned `%s'", hp->name); + else + op.value = 1; + } } return op; |