+/* This file is part of the re::engine::Plugin Perl module.
+ * See http://search.cpan.org/dist/re-engine-Plugin/ */
+
+#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
-#define SAVEPVN(p,n) ((p) ? savepvn(p,n) : NULL)
+#include "Plugin.h"
-START_EXTERN_C
+#define __PACKAGE__ "re::engine::Plugin"
+#define __PACKAGE_LEN__ (sizeof(__PACKAGE__)-1)
-EXTERN_C const regexp_engine engine_plugin;
+#define REP_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
-END_EXTERN_C
+#ifndef REP_WORKAROUND_REQUIRE_PROPAGATION
+# define REP_WORKAROUND_REQUIRE_PROPAGATION !REP_HAS_PERL(5, 10, 1)
+#endif
-/*
- * Our struct which gets initiated and used as our object
- * ($re). Since we can't count on the regexp structure provided by
- * perl to be alive between comp/exec etc. we pull stuff from it and
- * save it in our own structure.
- *
- * Besides, creating Perl accessors which directly muck with perl's
- * own regexp structures in different phases of regex execution would
- * be a little too evil.
- */
-typedef struct replug {
- SV * pattern;
- char flags[sizeof("ecgimsxp")];
-
- I32 minlen;
- U32 gofs;
-
- SV * stash;
-
- U32 nparens;
- AV * captures; /* Array of SV* that'll become $1, $2, ... */
-} *re__engine__Plugin;
+/* ... Thread safety and multiplicity ...................................... */
-SV*
-get_H_callback(const char* key)
-{
- dVAR;
- dSP;
+/* Safe unless stated otherwise in Makefile.PL */
+#ifndef REP_FORKSAFE
+# define REP_FORKSAFE 1
+#endif
- SV * callback;
+#ifndef REP_MULTIPLICITY
+# if defined(MULTIPLICITY) || defined(PERL_IMPLICIT_CONTEXT)
+# define REP_MULTIPLICITY 1
+# else
+# define REP_MULTIPLICITY 0
+# endif
+#endif
+#if REP_MULTIPLICITY && !defined(tTHX)
+# define tTHX PerlInterpreter*
+#endif
+
+#if REP_MULTIPLICITY && defined(USE_ITHREADS) && defined(dMY_CXT) && defined(MY_CXT) && defined(START_MY_CXT) && defined(MY_CXT_INIT) && (defined(MY_CXT_CLONE) || defined(dMY_CXT_SV))
+# define REP_THREADSAFE 1
+# ifndef MY_CXT_CLONE
+# define MY_CXT_CLONE \
+ dMY_CXT_SV; \
+ my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1)); \
+ Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t); \
+ sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
+# endif
+#else
+# define REP_THREADSAFE 0
+# undef dMY_CXT
+# define dMY_CXT dNOOP
+# undef MY_CXT
+# define MY_CXT rep_globaldata
+# undef START_MY_CXT
+# define START_MY_CXT STATIC my_cxt_t MY_CXT;
+# undef MY_CXT_INIT
+# define MY_CXT_INIT NOOP
+# undef MY_CXT_CLONE
+# define MY_CXT_CLONE NOOP
+#endif
+
+/* --- Helpers ------------------------------------------------------------- */
+
+/* ... Thread-safe hints ................................................... */
+
+typedef struct {
+ SV *comp;
+ SV *exec;
+#if REP_WORKAROUND_REQUIRE_PROPAGATION
+ IV require_tag;
+#endif
+} rep_hint_t;
+
+#if REP_THREADSAFE
- ENTER;
- SAVETMPS;
-
- PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(key, 0)));
- PUTBACK;
+#define PTABLE_VAL_FREE(V) { \
+ rep_hint_t *h = (V); \
+ SvREFCNT_dec(h->comp); \
+ SvREFCNT_dec(h->exec); \
+ PerlMemShared_free(h); \
+}
+
+#define pPTBL pTHX
+#define pPTBL_ pTHX_
+#define aPTBL aTHX
+#define aPTBL_ aTHX_
+
+#include "ptable.h"
- call_pv("re::engine::Plugin::get_callback", G_SCALAR);
+#define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
+#define ptable_free(T) ptable_free(aTHX_ (T))
- SPAGAIN;
+#define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
- callback = POPs;
- SvREFCNT_inc(callback);
+typedef struct {
+ ptable *tbl;
+ tTHX owner;
+} my_cxt_t;
- if (!SvROK(callback)) { callback = NULL; }// croak("ret value not a ref"); }
+START_MY_CXT
- PUTBACK;
- FREETMPS;
- LEAVE;
+typedef struct {
+ ptable *tbl;
+#if REP_HAS_PERL(5, 13, 2)
+ CLONE_PARAMS *params;
+#else
+ CLONE_PARAMS params;
+#endif
+} rep_ptable_clone_ud;
+
+#if REP_HAS_PERL(5, 13, 2)
+# define rep_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params = Perl_clone_params_new((O), aTHX)
+# define rep_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
+# define rep_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), (U)->params))
+#else
+# define rep_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params.stashes = newAV(); \
+ (U).params.flags = 0; \
+ (U).params.proto_perl = (O)
+# define rep_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
+# define rep_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
+#endif
- return callback;
+STATIC void rep_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
+ rep_ptable_clone_ud *ud = ud_;
+ rep_hint_t *h1 = ent->val;
+ rep_hint_t *h2;
+
+ h2 = PerlMemShared_malloc(sizeof *h2);
+ h2->comp = rep_dup_inc(h1->comp, ud);
+ h2->exec = rep_dup_inc(h1->exec, ud);
+#if REP_WORKAROUND_REQUIRE_PROPAGATION
+ h2->require_tag = PTR2IV(rep_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
+#endif
+
+ ptable_store(ud->tbl, ent->key, h2);
}
-/* just learn to use gdb you lazy bum! */
-#if 0
-void
-dump_r_info(const char* id, regexp *r)
-{
- warn("%s:", id);
- warn("\textflags = %d", r->extflags);
- warn("\tminlen = %d", r->minlen);
- warn("\tminlenren = %d", r->minlenret);
- warn("\tgofs = %d", r->gofs);
- warn("\tnparens = %d", r->nparens);
- warn("\tpprivate = %p", r->pprivate);
- warn("\tsubbeg = %s", r->subbeg);
- warn("\tsublen = %d", r->sublen);
- warn("\tprecomp = %s", r->precomp);
- warn("\tprelen = %d", r->prelen);
- warn("\twrapped = %s", r->wrapped);
- warn("\twraplen = %d", r->wraplen);
- warn("\tseen_evals = %d", r->seen_evals);
- warn("\trefcnt = %d", r->refcnt);
-
+#include "reap.h"
+
+STATIC void rep_thread_cleanup(pTHX_ void *ud) {
+ dMY_CXT;
+
+ ptable_free(MY_CXT.tbl);
}
-#endif
-regexp *
-Plugin_comp(pTHX_ char *exp, char *xend, PMOP *pm)
-{
- dSP;
- register regexp *r;
- int count;
-
- /*
- * Allocate a new regexp struct, we must only write to the intflags,
- * engine and private members and the others must be populated,
- * internals expect the regex to have certain values least our code
- * blow up
- */
+#endif /* REP_THREADSAFE */
+
+STATIC SV *rep_validate_callback(SV *code) {
+ if (!SvROK(code))
+ return NULL;
- Newxz(r,1,regexp);
+ code = SvRV(code);
+ if (SvTYPE(code) < SVt_PVCV)
+ return NULL;
- /* Set up the regex to be handled by this plugin */
- r->engine = &engine_plugin;
+ return SvREFCNT_inc_simple_NN(code);
+}
- /* Store the initial flags */
- r->intflags = pm->op_pmflags;
- r->pprivate = NULL; /* this is set to our object below */
+#if REP_WORKAROUND_REQUIRE_PROPAGATION
+STATIC IV rep_require_tag(pTHX) {
+#define rep_require_tag() rep_require_tag(aTHX)
+ const CV *cv, *outside;
+
+ cv = PL_compcv;
+
+ if (!cv) {
+ /* If for some reason the pragma is operational at run-time, try to discover
+ * the current cv in use. */
+ const PERL_SI *si;
+
+ for (si = PL_curstackinfo; si; si = si->si_prev) {
+ I32 cxix;
+
+ for (cxix = si->si_cxix; cxix >= 0; --cxix) {
+ const PERL_CONTEXT *cx = si->si_cxstack + cxix;
+
+ switch (CxTYPE(cx)) {
+ case CXt_SUB:
+ case CXt_FORMAT:
+ /* The propagation workaround is only needed up to 5.10.0 and at that
+ * time format and sub contexts were still identical. And even later the
+ * cv members offsets should have been kept the same. */
+ cv = cx->blk_sub.cv;
+ goto get_enclosing_cv;
+ case CXt_EVAL:
+ cv = cx->blk_eval.cv;
+ goto get_enclosing_cv;
+ default:
+ break;
+ }
+ }
+ }
- /*
- * Populate the regexp members for the engine
- */
+ cv = PL_main_cv;
+ }
- /* Ref count of the pattern */
- r->refcnt = 1;
+get_enclosing_cv:
+ for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
+ cv = outside;
- /* Preserve a copy of the original pattern */
- r->prelen = xend - exp;
- r->precomp = SAVEPVN(exp, r->prelen);
+ return PTR2IV(cv);
+}
+#endif /* REP_WORKAROUND_REQUIRE_PROPAGATION */
+
+STATIC SV *rep_tag(pTHX_ SV *comp, SV *exec) {
+#define rep_tag(C, E) rep_tag(aTHX_ (C), (E))
+ rep_hint_t *h;
+
+ h = PerlMemShared_malloc(sizeof *h);
+ h->comp = rep_validate_callback(comp);
+ h->exec = rep_validate_callback(exec);
+#if REP_WORKAROUND_REQUIRE_PROPAGATION
+ h->require_tag = rep_require_tag();
+#endif /* REP_WORKAROUND_REQUIRE_PROPAGATION */
+
+#if REP_THREADSAFE
+ {
+ dMY_CXT;
+ /* We only need for the key to be an unique tag for looking up the value later
+ * Allocated memory provides convenient unique identifiers, so that's why we
+ * use the hint as the key itself. */
+ ptable_store(MY_CXT.tbl, h, h);
+ }
+#endif /* REP_THREADSAFE */
+
+ return newSViv(PTR2IV(h));
+}
- /* these may be changed by accessors */
- r->minlen = 0;
- r->minlenret = 0;
- r->gofs = 0;
- r->nparens = 0;
+STATIC const rep_hint_t *rep_detag(pTHX_ const SV *hint) {
+#define rep_detag(H) rep_detag(aTHX_ (H))
+ rep_hint_t *h;
- /* Store the flags as perl expects them */
- r->extflags = pm->op_pmflags & RXf_PMf_COMPILETIME;
+ if (!(hint && SvIOK(hint)))
+ return NULL;
+
+ h = INT2PTR(rep_hint_t *, SvIVX(hint));
+#if REP_THREADSAFE
+ {
+ dMY_CXT;
+ h = ptable_fetch(MY_CXT.tbl, h);
+ }
+#endif /* REP_THREADSAFE */
+
+#if REP_WORKAROUND_REQUIRE_PROPAGATION
+ if (rep_require_tag() != h->require_tag)
+ return NULL;
+#endif /* REP_WORKAROUND_REQUIRE_PROPAGATION */
+
+ return h;
+}
+
+STATIC U32 rep_hash = 0;
+
+STATIC const rep_hint_t *rep_hint(pTHX) {
+#define rep_hint() rep_hint(aTHX)
+ SV *hint;
+
+#ifdef cop_hints_fetch_pvn
+ hint = cop_hints_fetch_pvn(PL_curcop,
+ __PACKAGE__, __PACKAGE_LEN__, rep_hash, 0);
+#else
+ /* We already require 5.9.5 for the regexp engine API. */
+ hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
+ NULL,
+ __PACKAGE__, __PACKAGE_LEN__,
+ 0,
+ rep_hash);
+#endif
+
+ return rep_detag(hint);
+}
+
+REGEXP *
+#if PERL_VERSION <= 10
+Plugin_comp(pTHX_ const SV * const pattern, const U32 flags)
+#else
+Plugin_comp(pTHX_ SV * const pattern, U32 flags)
+#endif
+{
+ dSP;
+ struct regexp * rx;
+ REGEXP *RX;
- /*
- * Construct a new B<re::engine::Plugin> object that'll carry around
- * our data inside C<< r->pprivate >>. The object is a blessed void*
- * that points to our replug struct which holds any state we want to
- * keep.
- */
re__engine__Plugin re;
- Newz(0, re, 1, struct replug);
-
- SV *obj = newSV(0);
- SvREFCNT_inc(obj);
+ const rep_hint_t *h;
- /* Bless into this package; TODO: make it subclassable */
- const char * pkg = "re::engine::Plugin";
- /* bless it */
- sv_setref_pv(obj, pkg, (void*)re);
+ STRLEN plen;
+ char *pbuf;
- /* Store our private object */
- r->pprivate = obj;
+ SV *obj;
+
+ h = rep_hint();
+ if (!h) /* This looks like a pragma leak. Apply the default behaviour */
+ return re_compile(pattern, flags);
+
+ /* exp/xend version of the pattern & length */
+ pbuf = SvPV((SV*)pattern, plen);
+
+ /* Our blessed object */
+ obj = newSV(0);
+ SvREFCNT_inc_simple_void_NN(obj);
+ Newxz(re, 1, struct replug);
+ sv_setref_pv(obj, "re::engine::Plugin", (void*)re);
- re->pattern = newSVpvn(SAVEPVN(exp, xend - exp), xend - exp);
- SvREFCNT_inc(re->pattern);
+ newREGEXP(RX);
+ rx = rxREGEXP(RX);
- /* Concat [ec]gimosxp (egimosxp & cgimosxp into) the flags string as
- * appropriate
+ re->rx = rx; /* Make the rx accessible from self->rx */
+ rx->intflags = flags; /* Flags for internal use */
+ rx->extflags = flags; /* Flags for perl to use */
+ rx->engine = RE_ENGINE_PLUGIN; /* Compile to use this engine */
+
+#if PERL_VERSION <= 10
+ rx->refcnt = 1; /* Refcount so we won't be destroyed */
+
+ /* Precompiled pattern for pp_regcomp to use */
+ rx->prelen = plen;
+ rx->precomp = savepvn(pbuf, rx->prelen);
+
+ /* Set up qr// stringification to be equivalent to the supplied
+ * pattern, this should be done via overload eventually.
*/
- if (r->intflags & PMf_EVAL) { strcat(re->flags, "e"); }
- if (r->intflags & PMf_CONTINUE) { strcat(re->flags, "c"); }
- if (r->intflags & PMf_GLOBAL) { strcat(re->flags, "g"); }
- if (r->intflags & PMf_FOLD) { strcat(re->flags, "i"); }
- if (r->intflags & PMf_MULTILINE) { strcat(re->flags, "m"); }
- if (r->intflags & PMf_ONCE) { strcat(re->flags, "o"); }
- if (r->intflags & PMf_SINGLELINE) { strcat(re->flags, "s"); }
- if (r->intflags & PMf_EXTENDED) { strcat(re->flags, "x"); }
- if (((r->extflags & RXf_PMf_KEEPCOPY) == RXf_PMf_KEEPCOPY)) {
- strcat(re->flags, "p");
+ rx->wraplen = rx->prelen;
+ Newx(rx->wrapped, rx->wraplen, char);
+ Copy(rx->precomp, rx->wrapped, rx->wraplen, char);
+#endif
+
+ /* Store our private object */
+ rx->pprivate = obj;
+
+ /* Store the pattern for ->pattern */
+ re->pattern = (SV*)pattern;
+ SvREFCNT_inc_simple_void(re->pattern);
+
+ /* If there's an exec callback, store it into the private object so
+ * that it will be the one to be called, even if the engine changes
+ * in between */
+ if (h->exec) {
+ re->cb_exec = h->exec;
+ SvREFCNT_inc_simple_void_NN(h->exec);
}
- /*
- * Call our callback function if one was defined, if not we've
- * already set up all the stuff we're going to to need for
- * subsequent exec and other calls
- */
- SV * callback = get_H_callback("comp");
+ re->cb_num_capture_buff_FETCH = NULL;
+ re->cb_num_capture_buff_STORE = NULL;
+ re->cb_num_capture_buff_LENGTH = NULL;
- if (callback) {
- ENTER;
+ /* Call our callback function if one was defined, if not we've
+ * already set up all the stuff we're going to to need for
+ * subsequent exec and other calls */
+ if (h->comp) {
+ ENTER;
SAVETMPS;
-
+
PUSHMARK(SP);
XPUSHs(obj);
- XPUSHs(sv_2mortal(newSVpv(exp, xend - exp)));
-
PUTBACK;
- call_sv(get_H_callback("comp"), G_DISCARD);
+ call_sv(h->comp, G_DISCARD);
FREETMPS;
LEAVE;
/* If any of the comp-time accessors were called we'll have to
* update the regexp struct with the new info.
*/
- if (re->minlen) r->minlen = re->minlen;
- if (re->gofs) r->gofs = re->gofs;
- if (re->gofs) r->gofs = re->gofs;
- if (re->nparens) r->nparens = re->nparens;
-
- int buffers = r->nparens;
- //r->nparens = (buffers - 1);
- Newxz(r->startp, buffers, I32);
- Newxz(r->endp, buffers, I32);
+ Newxz(rx->offs, rx->nparens + 1, regexp_paren_pair);
- /* return the regexp */
- return r;
+ return RX;
}
I32
-Plugin_exec(pTHX_ register regexp *r, char *stringarg, register char *strend,
- char *strbeg, I32 minend, SV *sv, void *data, U32 flags)
+Plugin_exec(pTHX_ REGEXP * const RX, char *stringarg, char *strend,
+ char *strbeg, I32 minend, SV *sv, void *data, U32 flags)
{
dSP;
- I32 rc;
- int *ovector;
- I32 i;
- int count;
- int ret;
+ I32 matched;
+ struct regexp *rx = rxREGEXP(RX);
+ GET_SELF_FROM_PPRIVATE(rx->pprivate);
- /*Newx(ovector,r->nparens,int);*/
+ if (self->cb_exec) {
+ SV *ret;
- SV* callback = get_H_callback("exec");
+ /* Store the current str for ->str */
+ SvREFCNT_dec(self->str);
+ self->str = sv;
+ SvREFCNT_inc_simple_void(self->str);
- ENTER;
- SAVETMPS;
-
- PUSHMARK(SP);
-
- XPUSHs(r->pprivate);
- XPUSHs(sv);
-
- PUTBACK;
+ ENTER;
+ SAVETMPS;
- count = call_sv(callback, G_ARRAY);
-
- SPAGAIN;
+ PUSHMARK(SP);
+ XPUSHs(rx->pprivate);
+ XPUSHs(sv);
+ PUTBACK;
- SV * SvRet = POPs;
+ call_sv(self->cb_exec, G_SCALAR);
- if (SvTRUE(SvRet)) {
- /* Match vars */
+ SPAGAIN;
- /*
- r->sublen = strend-strbeg;
- r->subbeg = savepvn(strbeg,r->sublen);
- r->startp[1] = 0;
- r->endp[1] = 5;
- */
+ ret = POPs;
+ if (SvTRUE(ret))
+ matched = 1;
+ else
+ matched = 0;
- ret = 1;
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
} else {
- ret = 0;
+ matched = 0;
}
- PUTBACK;
- FREETMPS;
- LEAVE;
-
- return ret;
+ return matched;
}
char *
-Plugin_intuit(pTHX_ regexp *prog, SV *sv, char *strpos,
+Plugin_intuit(pTHX_ REGEXP * const RX, SV *sv, char *strpos,
char *strend, U32 flags, re_scream_pos_data *data)
{
+ PERL_UNUSED_ARG(RX);
+ PERL_UNUSED_ARG(sv);
+ PERL_UNUSED_ARG(strpos);
+ PERL_UNUSED_ARG(strend);
+ PERL_UNUSED_ARG(flags);
+ PERL_UNUSED_ARG(data);
return NULL;
}
SV *
-Plugin_checkstr(pTHX_ regexp *prog)
+Plugin_checkstr(pTHX_ REGEXP * const RX)
{
+ PERL_UNUSED_ARG(RX);
return NULL;
}
void
-Plugin_free(pTHX_ struct regexp *r)
+Plugin_free(pTHX_ REGEXP * const RX)
{
- /*sv_2mortal(r->pprivate);*/
- /*PerlMemShared_free(r->pprivate);*/
+ struct regexp *rx;
+ re__engine__Plugin self;
+
+ if (PL_dirty)
+ return;
+
+ rx = rxREGEXP(RX);
+ SELF_FROM_PPRIVATE(self, rx->pprivate);
+
+ SvREFCNT_dec(self->pattern);
+ SvREFCNT_dec(self->str);
+
+ SvREFCNT_dec(self->cb_exec);
+
+ SvREFCNT_dec(self->cb_num_capture_buff_FETCH);
+ SvREFCNT_dec(self->cb_num_capture_buff_STORE);
+ SvREFCNT_dec(self->cb_num_capture_buff_LENGTH);
+
+ self->rx = NULL;
+ Safefree(self);
+
+/*
+ dSP;
+ SV * callback;
+
+ callback = self->cb_free;
+
+ if (callback) {
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ XPUSHs(rx->pprivate);
+ PUTBACK;
+
+ call_sv(callback, G_DISCARD);
+
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ }
+ return;
+*/
}
void *
-Plugin_dupe(pTHX_ const regexp *r, CLONE_PARAMS *param)
+Plugin_dupe(pTHX_ REGEXP * const RX, CLONE_PARAMS *param)
+{
+ struct regexp *rx = rxREGEXP(RX);
+ Perl_croak(aTHX_ "dupe not supported yet");
+ return rx->pprivate;
+}
+
+
+void
+Plugin_numbered_buff_FETCH(pTHX_ REGEXP * const RX, const I32 paren,
+ SV * const sv)
+{
+ dSP;
+ I32 items;
+ SV * callback;
+ struct regexp *rx = rxREGEXP(RX);
+ GET_SELF_FROM_PPRIVATE(rx->pprivate);
+
+ callback = self->cb_num_capture_buff_FETCH;
+
+ if (callback) {
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ XPUSHs(rx->pprivate);
+ XPUSHs(sv_2mortal(newSViv(paren)));
+ PUTBACK;
+
+ items = call_sv(callback, G_SCALAR);
+
+ if (items == 1) {
+ SV *ret;
+
+ SPAGAIN;
+ ret = POPs;
+ sv_setsv(sv, ret);
+ } else {
+ sv_setsv(sv, &PL_sv_undef);
+ }
+
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ } else {
+ sv_setsv(sv, &PL_sv_undef);
+ }
+}
+
+void
+Plugin_numbered_buff_STORE(pTHX_ REGEXP * const RX, const I32 paren,
+ SV const * const value)
+{
+ dSP;
+ SV * callback;
+ struct regexp *rx = rxREGEXP(RX);
+ GET_SELF_FROM_PPRIVATE(rx->pprivate);
+
+ callback = self->cb_num_capture_buff_STORE;
+
+ if (callback) {
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ XPUSHs(rx->pprivate);
+ XPUSHs(sv_2mortal(newSViv(paren)));
+ XPUSHs((SV *) value);
+ PUTBACK;
+
+ call_sv(callback, G_DISCARD);
+
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ }
+}
+
+I32
+Plugin_numbered_buff_LENGTH(pTHX_ REGEXP * const RX, const SV * const sv,
+ const I32 paren)
{
- return r->pprivate;
+ dSP;
+ SV * callback;
+ struct regexp *rx = rxREGEXP(RX);
+ GET_SELF_FROM_PPRIVATE(rx->pprivate);
+
+ callback = self->cb_num_capture_buff_LENGTH;
+
+ if (callback) {
+ IV ret;
+
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK(SP);
+ XPUSHs(rx->pprivate);
+ XPUSHs(sv_2mortal(newSViv(paren)));
+ PUTBACK;
+
+ call_sv(callback, G_SCALAR);
+
+ SPAGAIN;
+
+ ret = POPi;
+
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+
+ return (I32)ret;
+ } else {
+ /* TODO: call FETCH and get the length on that value */
+ return 0;
+ }
}
+
SV*
-Plugin_numbered_buff_get(pTHX_ const REGEXP * const rx, I32 paren, SV* usesv)
+Plugin_named_buff (pTHX_ REGEXP * const RX, SV * const key, SV * const value,
+ const U32 flags)
{
return NULL;
}
SV*
-Plugin_named_buff_get(pTHX_ const REGEXP * const rx, SV* namesv, U32 flags)
+Plugin_named_buff_iter (pTHX_ REGEXP * const RX, const SV * const lastkey,
+ const U32 flags)
{
return NULL;
}
-/*
- * The function pointers we're telling the regex engine to use
- */
-const regexp_engine engine_plugin = {
- Plugin_comp,
- Plugin_exec,
- Plugin_intuit,
- Plugin_checkstr,
- Plugin_free,
- Plugin_numbered_buff_get,
- Plugin_named_buff_get,
-#if defined(USE_ITHREADS)
- Plugin_dupe,
-#endif
-};
+SV*
+Plugin_package(pTHX_ REGEXP * const RX)
+{
+ PERL_UNUSED_ARG(RX);
+ return newSVpvs("re::engine::Plugin");
+}
-MODULE = re::engine::Plugin PACKAGE = re::engine::Plugin
+#if REP_THREADSAFE
-SV *
+STATIC U32 rep_initialized = 0;
+
+STATIC void rep_teardown(pTHX_ void *root) {
+ if (!rep_initialized || aTHX != root)
+ return;
+
+ {
+ dMY_CXT;
+ ptable_free(MY_CXT.tbl);
+ }
+
+ rep_initialized = 0;
+}
+
+STATIC void rep_setup(pTHX) {
+#define rep_setup() rep_setup(aTHX)
+ if (rep_initialized)
+ return;
+
+ {
+ MY_CXT_INIT;
+ MY_CXT.tbl = ptable_new();
+ MY_CXT.owner = aTHX;
+ }
+
+ call_atexit(rep_teardown, aTHX);
+
+ rep_initialized = 1;
+}
+
+#else /* REP_THREADSAFE */
+
+#define rep_setup()
+
+#endif /* !REP_THREADSAFE */
+
+STATIC U32 rep_booted = 0;
+
+/* --- XS ------------------------------------------------------------------ */
+
+MODULE = re::engine::Plugin PACKAGE = re::engine::Plugin
+
+PROTOTYPES: DISABLE
+
+BOOT:
+{
+ if (!rep_booted++) {
+ HV *stash;
+
+ PERL_HASH(rep_hash, __PACKAGE__, __PACKAGE_LEN__);
+
+ stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
+ newCONSTSUB(stash, "REP_THREADSAFE", newSVuv(REP_THREADSAFE));
+ newCONSTSUB(stash, "REP_FORKSAFE", newSVuv(REP_FORKSAFE));
+ }
+
+ rep_setup();
+}
+
+#if REP_THREADSAFE
+
+void
+CLONE(...)
+PREINIT:
+ ptable *t;
+PPCODE:
+ {
+ rep_ptable_clone_ud ud;
+ dMY_CXT;
+
+ t = ptable_new();
+ rep_ptable_clone_ud_init(ud, t, MY_CXT.owner);
+ ptable_walk(MY_CXT.tbl, rep_ptable_clone, &ud);
+ rep_ptable_clone_ud_deinit(ud);
+ }
+ {
+ MY_CXT_CLONE;
+ MY_CXT.tbl = t;
+ MY_CXT.owner = aTHX;
+ }
+ reap(3, rep_thread_cleanup, NULL);
+ XSRETURN(0);
+
+#endif /* REP_THREADSAFE */
+
+void
pattern(re::engine::Plugin self, ...)
-CODE:
- SvREFCNT_inc(self->pattern);
- RETVAL = self->pattern;
-OUTPUT:
- RETVAL
+PPCODE:
+ XPUSHs(self->pattern);
-char*
-flags(re::engine::Plugin self, ...)
-CODE:
- RETVAL = self->flags;
-OUTPUT:
- RETVAL
+void
+str(re::engine::Plugin self, ...)
+PPCODE:
+ XPUSHs(self->str);
-SV *
-stash(re::engine::Plugin self, ...)
+void
+mod(re::engine::Plugin self)
PREINIT:
- SV * stash;
-CODE:
+ U32 flags;
+ char mods[5 + 1];
+ int n = 0, i;
+PPCODE:
+ flags = self->rx->intflags;
+ if (flags & PMf_FOLD) /* /i */
+ mods[n++] = 'i';
+ if (flags & PMf_MULTILINE) /* /m */
+ mods[n++] = 'm';
+ if (flags & PMf_SINGLELINE) /* /s */
+ mods[n++] = 's';
+ if (flags & PMf_EXTENDED) /* /x */
+ mods[n++] = 'x';
+ if (flags & RXf_PMf_KEEPCOPY) /* /p */
+ mods[n++] = 'p';
+ mods[n] = '\0';
+ EXTEND(SP, 2 * n);
+ for (i = 0; i < n; ++i) {
+ mPUSHp(mods + i, 1);
+ PUSHs(&PL_sv_yes);
+ }
+ XSRETURN(2 * n);
+
+void
+stash(re::engine::Plugin self, ...)
+PPCODE:
if (items > 1) {
- self->stash = sv_mortalcopy(ST(1));
- SvREFCNT_inc(self->stash);
+ SvREFCNT_dec(self->stash);
+ self->stash = ST(1);
+ SvREFCNT_inc_simple_void(self->stash);
+ XSRETURN_EMPTY;
+ } else {
+ XPUSHs(self->stash);
}
- SvREFCNT_inc(self->stash);
- RETVAL = self->stash;
-OUTPUT:
- RETVAL
-SV *
+void
minlen(re::engine::Plugin self, ...)
-CODE:
+PPCODE:
if (items > 1) {
- self->minlen = (I32)SvIV(ST(1));
+ self->rx->minlen = (I32)SvIV(ST(1));
+ XSRETURN_EMPTY;
+ } else {
+ if (self->rx->minlen) {
+ XPUSHs(sv_2mortal(newSViv(self->rx->minlen)));
+ } else {
+ XPUSHs(sv_2mortal(&PL_sv_undef));
+ }
}
- RETVAL = self->minlen ? newSViv(self->minlen) : &PL_sv_undef;
-OUTPUT:
- RETVAL
-
-SV *
+void
gofs(re::engine::Plugin self, ...)
-CODE:
+PPCODE:
if (items > 1) {
- self->gofs = (U32)SvIV(ST(1));
+ self->rx->gofs = (U32)SvIV(ST(1));
+ XSRETURN_EMPTY;
+ } else {
+ if (self->rx->gofs) {
+ XPUSHs(sv_2mortal(newSVuv(self->rx->gofs)));
+ } else {
+ XPUSHs(sv_2mortal(&PL_sv_undef));
+ }
}
- RETVAL = self->gofs ? newSVuv(self->gofs) : &PL_sv_undef;
-OUTPUT:
- RETVAL
-SV *
+void
nparens(re::engine::Plugin self, ...)
-CODE:
+PPCODE:
if (items > 1) {
- self->nparens = (U32)SvIV(ST(1));
+ self->rx->nparens = (U32)SvIV(ST(1));
+ XSRETURN_EMPTY;
+ } else {
+ if (self->rx->nparens) {
+ XPUSHs(sv_2mortal(newSVuv(self->rx->nparens)));
+ } else {
+ XPUSHs(sv_2mortal(&PL_sv_undef));
+ }
}
- RETVAL = self->gofs ? newSVuv(self->gofs) : &PL_sv_undef;
-OUTPUT:
- RETVAL
void
-captures(re::engine::Plugin self, ...)
+_exec(re::engine::Plugin self, ...)
PPCODE:
if (items > 1) {
- self->minlen = (I32)SvIV(ST(1));
+ SvREFCNT_dec(self->cb_exec);
+ self->cb_exec = ST(1);
+ SvREFCNT_inc_simple_void(self->cb_exec);
}
- XPUSHs(sv_2mortal(newSViv(5)));
- XPUSHs(sv_2mortal(newSViv(10)));
void
-get_engine_plugin()
+_num_capture_buff_FETCH(re::engine::Plugin self, ...)
+PPCODE:
+ if (items > 1) {
+ SvREFCNT_dec(self->cb_num_capture_buff_FETCH);
+ self->cb_num_capture_buff_FETCH = ST(1);
+ SvREFCNT_inc_simple_void(self->cb_num_capture_buff_FETCH);
+ }
+
+void
+_num_capture_buff_STORE(re::engine::Plugin self, ...)
+PPCODE:
+ if (items > 1) {
+ SvREFCNT_dec(self->cb_num_capture_buff_STORE);
+ self->cb_num_capture_buff_STORE = ST(1);
+ SvREFCNT_inc_simple_void(self->cb_num_capture_buff_STORE);
+ }
+
+void
+_num_capture_buff_LENGTH(re::engine::Plugin self, ...)
+PPCODE:
+ if (items > 1) {
+ SvREFCNT_dec(self->cb_num_capture_buff_LENGTH);
+ self->cb_num_capture_buff_LENGTH = ST(1);
+ SvREFCNT_inc_simple_void(self->cb_num_capture_buff_LENGTH);
+ }
+
+SV *
+_tag(SV *comp, SV *exec)
+CODE:
+ RETVAL = rep_tag(comp, exec);
+OUTPUT:
+ RETVAL
+
+void
+ENGINE()
PPCODE:
XPUSHs(sv_2mortal(newSViv(PTR2IV(&engine_plugin))));
projects / perl / modules / re-engine-Plugin.git / blobdiff