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Diffstat (limited to 'gnu/usr.bin/perl/regcomp.c')
| -rw-r--r-- | gnu/usr.bin/perl/regcomp.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/regcomp.c b/gnu/usr.bin/perl/regcomp.c index 62e5729b425..0762f551d30 100644 --- a/gnu/usr.bin/perl/regcomp.c +++ b/gnu/usr.bin/perl/regcomp.c @@ -5,6 +5,16 @@ * "A fair jaw-cracker dwarf-language must be." --Samwise Gamgee */ +/* This file contains functions for compiling a regular expression. See + * also regexec.c which funnily enough, contains functions for executing + * a regular expression. + * + * This file is also copied at build time to ext/re/re_comp.c, where + * it's built with -DPERL_EXT_RE_BUILD -DPERL_EXT_RE_DEBUG -DPERL_EXT. + * This causes the main functions to be compiled under new names and with + * debugging support added, which makes "use re 'debug'" work. + */ + /* NOTE: this is derived from Henry Spencer's regexp code, and should not * confused with the original package (see point 3 below). Thanks, Henry! */ |