X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/0e06870bf080a38cda51c06c6612359afc2334e1..6136c704e4e88f5381eda30a0d872d75aa9b9d11:/regexp.h diff --git a/regexp.h b/regexp.h index 3c71060..3ff959c 100644 --- a/regexp.h +++ b/regexp.h @@ -1,4 +1,11 @@ /* regexp.h + * + * Copyright (C) 1993, 1994, 1996, 1997, 1999, 2000, 2001, 2003, + * by Larry Wall and others + * + * You may distribute under the terms of either the GNU General Public + * License or the Artistic License, as specified in the README file. + * */ /* @@ -30,12 +37,17 @@ typedef struct regexp { struct reg_data *data; /* Additional data. */ char *subbeg; /* saved or original string so \digit works forever. */ +#ifdef PERL_OLD_COPY_ON_WRITE + SV *saved_copy; /* If non-NULL, SV which is COW from original */ +#endif + U32 *offsets; /* offset annotations 20001228 MJD */ I32 sublen; /* Length of string pointed by subbeg */ I32 refcnt; I32 minlen; /* mininum possible length of $& */ I32 prelen; /* length of precomp */ U32 nparens; /* number of parentheses */ U32 lastparen; /* last paren matched */ + U32 lastcloseparen; /* last paren matched */ U32 reganch; /* Internal use only + Tainted information used by regexec? */ regnode program[1]; /* Unwarranted chumminess with compiler. */ @@ -54,6 +66,8 @@ typedef struct regexp { #define ROPT_CHECK_ALL 0x00100 #define ROPT_LOOKBEHIND_SEEN 0x00200 #define ROPT_EVAL_SEEN 0x00400 +#define ROPT_CANY_SEEN 0x00800 +#define ROPT_SANY_SEEN ROPT_CANY_SEEN /* src bckwrd cmpt */ /* 0xf800 of reganch is used by PMf_COMPILETIME */ @@ -61,6 +75,7 @@ typedef struct regexp { #define ROPT_NAUGHTY 0x20000 /* how exponential is this pattern? */ #define ROPT_COPY_DONE 0x40000 /* subbeg is a copy of the string */ #define ROPT_TAINTED_SEEN 0x80000 +#define ROPT_MATCH_UTF8 0x10000000 /* subbeg is utf-8 */ #define RE_USE_INTUIT_NOML 0x0100000 /* Best to intuit before matching */ #define RE_USE_INTUIT_ML 0x0200000 @@ -89,6 +104,30 @@ typedef struct regexp { ? RX_MATCH_COPIED_on(prog) \ : RX_MATCH_COPIED_off(prog)) +#ifdef PERL_OLD_COPY_ON_WRITE +#define RX_MATCH_COPY_FREE(rx) \ + STMT_START {if (rx->saved_copy) { \ + SV_CHECK_THINKFIRST_COW_DROP(rx->saved_copy); \ + } \ + if (RX_MATCH_COPIED(rx)) { \ + Safefree(rx->subbeg); \ + RX_MATCH_COPIED_off(rx); \ + }} STMT_END +#else +#define RX_MATCH_COPY_FREE(rx) \ + STMT_START {if (RX_MATCH_COPIED(rx)) { \ + Safefree(rx->subbeg); \ + RX_MATCH_COPIED_off(rx); \ + }} STMT_END +#endif + +#define RX_MATCH_UTF8(prog) ((prog)->reganch & ROPT_MATCH_UTF8) +#define RX_MATCH_UTF8_on(prog) ((prog)->reganch |= ROPT_MATCH_UTF8) +#define RX_MATCH_UTF8_off(prog) ((prog)->reganch &= ~ROPT_MATCH_UTF8) +#define RX_MATCH_UTF8_set(prog, t) ((t) \ + ? (RX_MATCH_UTF8_on(prog), (PL_reg_match_utf8 = 1)) \ + : (RX_MATCH_UTF8_off(prog), (PL_reg_match_utf8 = 0))) + #define REXEC_COPY_STR 0x01 /* Need to copy the string. */ #define REXEC_CHECKED 0x02 /* check_substr already checked. */ #define REXEC_SCREAM 0x04 /* use scream table. */