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authorYves Orton <demerphq@gmail.com>2006-12-05 17:13:36 +0100
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>2006-12-05 15:39:39 +0000
commit785a26d510947a2b97507d7acf9b8c13bd59b310 (patch)
tree908a504a79042daa7102b33350bb3e41739ccc4f /regcomp.h
parent233e16ceab6589cdfcfeefabef027f39026bb05f (diff)
downloadperl-785a26d510947a2b97507d7acf9b8c13bd59b310.tar.gz
Further tweaks to make it easier to create regexp engine plug ins.
Message-ID: <9b18b3110612050713g77cac516x46fb5baac99b47c9@mail.gmail.com> (with tweaks) p4raw-id: //depot/perl@29468
Diffstat (limited to 'regcomp.h')
-rw-r--r--regcomp.h38
1 files changed, 25 insertions, 13 deletions
diff --git a/regcomp.h b/regcomp.h
index 1075080d95..ce96da1f68 100644
--- a/regcomp.h
+++ b/regcomp.h
@@ -92,7 +92,17 @@ typedef OP OP_4tree; /* Will be redefined later. */
* special test to reverse the sign of BACK pointers since the offset is
* stored negative.]
*/
-typedef struct regexp_internal {
+
+/* This is the stuff that used to live in regexp.h that was truly
+ private to the engine itself. It now lives here. */
+
+/* swap buffer for paren structs */
+typedef struct regexp_paren_ofs {
+ I32 *startp;
+ I32 *endp;
+} regexp_paren_ofs;
+
+ typedef struct regexp_internal {
regexp_paren_ofs *swap; /* Swap copy of *startp / *endp */
U32 *offsets; /* offset annotations 20001228 MJD
data about mapping the program to the
@@ -109,6 +119,20 @@ typedef struct regexp_internal {
#define RXi_SET(x,y) (x)->pprivate = (void*)(y)
#define RXi_GET(x) ((regexp_internal *)((x)->pprivate))
#define RXi_GET_DECL(r,ri) regexp_internal *ri = RXi_GET(r)
+/*
+ * Flags stored in regexp->intflags
+ * These are used only internally to the regexp engine
+ *
+ * See regexp.h for flags used externally to the regexp engine
+ */
+#define PREGf_SKIP 0x00000001
+#define PREGf_IMPLICIT 0x00000002 /* Converted .* to ^.* */
+#define PREGf_NAUGHTY 0x00000004 /* how exponential is this pattern? */
+#define PREGf_VERBARG_SEEN 0x00000008
+#define PREGf_CUTGROUP_SEEN 0x00000010
+
+
+/* this is where the old regcomp.h started */
struct regnode_string {
U8 str_len;
@@ -460,18 +484,6 @@ struct reg_data {
void* data[1];
};
-struct reg_substr_datum {
- I32 min_offset;
- I32 max_offset;
- SV *substr; /* non-utf8 variant */
- SV *utf8_substr; /* utf8 variant */
- I32 end_shift;
-};
-
-struct reg_substr_data {
- struct reg_substr_datum data[3]; /* Actual array */
-};
-
#define anchored_substr substrs->data[0].substr
#define anchored_utf8 substrs->data[0].utf8_substr
#define anchored_offset substrs->data[0].min_offset