};
typedef struct _reg_trie_accepted reg_trie_accepted;
+/* some basic information about the current match that is created by
+ * Perl_regexec_flags and then passed to regtry(), regmatch() etc */
+
+typedef struct {
+ regexp *prog;
+ char *bol;
+ char *till;
+ SV *sv;
+ char *ganch;
+} regmatch_info;
+
/* structures for holding and saving the state maintained by regmatch() */
typedef I32 CHECKPOINT;
-typedef struct re_cc_state
-{
- I32 ss;
- regnode *node;
- struct re_cc_state *prev;
- struct regmatch_state *cc; /* state corresponding to the current curly */
- regexp *re;
-} re_cc_state;
-
-
typedef enum {
resume_TRIE1,
resume_TRIE2,
+ resume_EVAL,
resume_CURLYX,
resume_WHILEM1,
resume_WHILEM2,
resume_CURLYM1,
resume_CURLYM2,
resume_CURLYM3,
- resume_CURLYM4,
resume_IFMATCH,
resume_PLUS1,
resume_PLUS2,
resume_PLUS3,
- resume_PLUS4,
- resume_END
+ resume_PLUS4
} regmatch_resume_states;
regmatch_resume_states resume_state; /* where to jump to on return */
regnode *scan; /* Current node. */
regnode *next; /* Next node. */
- bool minmod; /* the next "{n.m}" is a "{n,m}?" */
+ bool minmod; /* the next "{n,m}" is a "{n,m}?" */
bool sw; /* the condition value in (?(cond)a|b) */
int logical;
I32 unwind; /* savestack index of current unwind block */
I32 ln; /* len or last */
union {
+
+ /* this is a fake union member that matches the first element
+ * of each member that needs to store positive backtrack
+ * information */
+ struct {
+ struct regmatch_state *prev_yes_state;
+ } yes;
+
struct {
reg_trie_accepted *accept_buff;
U32 accepted; /* how many accepting states we have seen */
} trie;
struct {
- CHECKPOINT cp; /* remember current savestack indexes */
- CHECKPOINT lastcp;
+ /* this first element must match u.yes */
+ struct regmatch_state *prev_yes_state;
+ regexp *prev_rex;
+ int toggleutf;
+ CHECKPOINT cp; /* remember current savestack indexes */
+ CHECKPOINT lastcp;
} eval;
struct {
} whilem;
struct {
+ /* this first element must match u.yes */
+ struct regmatch_state *prev_yes_state;
I32 paren;
I32 c1, c2; /* case fold search */
CHECKPOINT lastcp;
I32 l;
I32 matches;
I32 maxwanted;
+ bool minmod;
} curlym;
struct {
} plus; /* and CURLYN/CURLY/STAR */
struct {
- CHECKPOINT cp; /* remember current savestack indexes */
- CHECKPOINT lastcp;
- struct regmatch_state *savecc;
- re_cc_state *cur_call_cc;
- regexp *end_re;
- } end;
+ /* this first element must match u.yes */
+ struct regmatch_state *prev_yes_state;
+ I32 wanted;
+ } ifmatch; /* and SUSPEND/UNLESSM */
} u;
-
- re_cc_state *reg_call_cc; /* saved value of PL_reg_call_cc */
} regmatch_state;
/* how many regmatch_state structs to allocate as a single slab.
struct regmatch_slab *prev, *next;
} regmatch_slab;
+#define PL_reg_flags PL_reg_state.re_state_reg_flags
+#define PL_bostr PL_reg_state.re_state_bostr
+#define PL_reginput PL_reg_state.re_state_reginput
+#define PL_regeol PL_reg_state.re_state_regeol
+#define PL_regstartp PL_reg_state.re_state_regstartp
+#define PL_regendp PL_reg_state.re_state_regendp
+#define PL_reglastparen PL_reg_state.re_state_reglastparen
+#define PL_reglastcloseparen PL_reg_state.re_state_reglastcloseparen
+#define PL_reg_start_tmp PL_reg_state.re_state_reg_start_tmp
+#define PL_reg_start_tmpl PL_reg_state.re_state_reg_start_tmpl
+#define PL_reg_eval_set PL_reg_state.re_state_reg_eval_set
+#define PL_regindent PL_reg_state.re_state_regindent
+#define PL_reg_match_utf8 PL_reg_state.re_state_reg_match_utf8
+#define PL_reg_magic PL_reg_state.re_state_reg_magic
+#define PL_reg_oldpos PL_reg_state.re_state_reg_oldpos
+#define PL_reg_oldcurpm PL_reg_state.re_state_reg_oldcurpm
+#define PL_reg_curpm PL_reg_state.re_state_reg_curpm
+#define PL_reg_oldsaved PL_reg_state.re_state_reg_oldsaved
+#define PL_reg_oldsavedlen PL_reg_state.re_state_reg_oldsavedlen
+#define PL_reg_maxiter PL_reg_state.re_state_reg_maxiter
+#define PL_reg_leftiter PL_reg_state.re_state_reg_leftiter
+#define PL_reg_poscache PL_reg_state.re_state_reg_poscache
+#define PL_reg_poscache_size PL_reg_state.re_state_reg_poscache_size
+#define PL_regsize PL_reg_state.re_state_regsize
+#define PL_reg_starttry PL_reg_state.re_state_reg_starttry
+#define PL_nrs PL_reg_state.re_state_nrs
+
struct re_save_state {
U32 re_state_reg_flags; /* from regexec.c */
char *re_state_bostr;
char *re_state_reginput; /* String-input pointer. */
- char *re_state_regbol; /* Beginning of input, for ^ check. */
char *re_state_regeol; /* End of input, for $ check. */
I32 *re_state_regstartp; /* Pointer to startp array. */
I32 *re_state_regendp; /* Ditto for endp. */
U32 *re_state_reglastparen; /* Similarly for lastparen. */
U32 *re_state_reglastcloseparen; /* Similarly for lastcloseparen. */
- char *re_state_regtill; /* How far we are required to go. */
char **re_state_reg_start_tmp; /* from regexec.c */
U32 re_state_reg_start_tmpl; /* from regexec.c */
I32 re_state_reg_eval_set; /* from regexec.c */
- I32 re_state_regnarrate; /* from regexec.c */
int re_state_regindent; /* from regexec.c */
- struct re_cc_state *re_state_reg_call_cc; /* from regexec.c */
- regexp *re_state_reg_re; /* from regexec.c */
- char *re_state_reg_ganch; /* from regexec.c */
- SV *re_state_reg_sv; /* from regexec.c */
bool re_state_reg_match_utf8; /* from regexec.c */
MAGIC *re_state_reg_magic; /* from regexec.c */
I32 re_state_reg_oldpos; /* from regexec.c */
I32 re_state_regsize; /* from regexec.c */
char *re_state_reg_starttry; /* from regexec.c */
#ifdef PERL_OLD_COPY_ON_WRITE
- SV *re_state_nrs;
+ SV *re_state_nrs; /* was placeholder: unused since 5.8.0 (5.7.2 patch #12027 for bug ID 20010815.012). Used to save rx->saved_copy */
#endif
};