diff options
Diffstat (limited to 'ext/pcre/pcrelib/pcre_printint.src')
| -rw-r--r-- | ext/pcre/pcrelib/pcre_printint.src | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/ext/pcre/pcrelib/pcre_printint.src b/ext/pcre/pcrelib/pcre_printint.src index acfc4ca68..86b02b5ca 100644 --- a/ext/pcre/pcrelib/pcre_printint.src +++ b/ext/pcre/pcrelib/pcre_printint.src @@ -6,7 +6,7 @@ and semantics are as close as possible to those of the Perl 5 language. Written by Philip Hazel - Copyright (c) 1997-2009 University of Cambridge + Copyright (c) 1997-2010 University of Cambridge ----------------------------------------------------------------------------- Redistribution and use in source and binary forms, with or without @@ -43,7 +43,8 @@ internal form of a compiled regular expression, along with some supporting local functions. This source file is used in two places: (1) It is #included by pcre_compile.c when it is compiled in debugging mode -(DEBUG defined in pcre_internal.h). It is not included in production compiles. +(PCRE_DEBUG defined in pcre_internal.h). It is not included in production +compiles. (2) It is always #included by pcretest.c, which can be asked to print out a compiled regex for debugging purposes. */ @@ -189,6 +190,25 @@ for(;;) switch(*code) { +/* ========================================================================== */ + /* These cases are never obeyed. This is a fudge that causes a compile- + time error if the vectors OP_names or _pcre_OP_lengths, which are indexed + by opcode, are not the correct length. It seems to be the only way to do + such a check at compile time, as the sizeof() operator does not work in + the C preprocessor. We do this while compiling pcretest, because that + #includes pcre_tables.c, which holds _pcre_OP_lengths. We can't do this + when building pcre_compile.c with PCRE_DEBUG set, because it doesn't then + know the size of _pcre_OP_lengths. */ + +#ifdef COMPILING_PCRETEST + case OP_TABLE_LENGTH: + case OP_TABLE_LENGTH + + ((sizeof(OP_names)/sizeof(const char *) == OP_TABLE_LENGTH) && + (sizeof(_pcre_OP_lengths) == OP_TABLE_LENGTH)): + break; +#endif +/* ========================================================================== */ + case OP_END: fprintf(f, " %s\n", OP_names[*code]); fprintf(f, "------------------------------------------------------------------\n"); |