#include "perl.h"
#include "XSUB.h"
-#define __PACKAGE__ "re::engine::Plugin"
-#define __PACKAGE_LEN__ (sizeof(__PACKAGE__)-1)
-
-#define REP_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
+/* --- Helpers ------------------------------------------------------------- */
-#ifndef REP_WORKAROUND_REQUIRE_PROPAGATION
-# define REP_WORKAROUND_REQUIRE_PROPAGATION !REP_HAS_PERL(5, 10, 1)
-#endif
+#define XSH_PACKAGE "re::engine::Plugin"
-/* ... Thread safety and multiplicity ...................................... */
+#include "xsh/caps.h"
+#include "xsh/util.h"
-/* Safe unless stated otherwise in Makefile.PL */
-#ifndef REP_FORKSAFE
-# define REP_FORKSAFE 1
-#endif
-
-#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 ................................................... */
+/* ... Lexical hints ....................................................... */
typedef struct {
SV *comp;
SV *exec;
-#if REP_WORKAROUND_REQUIRE_PROPAGATION
- IV require_tag;
-#endif
-} rep_hint_t;
-
-#if REP_THREADSAFE
-
-#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"
-
-#define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
-#define ptable_free(T) ptable_free(aTHX_ (T))
-
-#define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
-
-typedef struct {
- ptable *tbl;
- tTHX owner;
-} my_cxt_t;
-
-START_MY_CXT
-
-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
-
-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);
-}
-
-STATIC void rep_thread_cleanup(pTHX_ void *ud) {
- dMY_CXT;
-
- ptable_free(MY_CXT.tbl);
-}
-
-STATIC int rep_endav_free(pTHX_ SV *sv, MAGIC *mg) {
- SAVEDESTRUCTOR_X(rep_thread_cleanup, NULL);
-
- return 0;
-}
-
-STATIC MGVTBL rep_endav_vtbl = {
- 0,
- 0,
- 0,
- 0,
- rep_endav_free
-#if MGf_COPY
- , 0
-#endif
-#if MGf_DUP
- , 0
-#endif
-#if MGf_LOCAL
- , 0
-#endif
-};
-
-#endif /* REP_THREADSAFE */
+} xsh_hints_user_t;
STATIC SV *rep_validate_callback(SV *code) {
if (!SvROK(code))
return SvREFCNT_inc_simple_NN(code);
}
-#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;
- }
- }
- }
+static void xsh_hints_user_init(pTHX_ xsh_hints_user_t *hv, xsh_hints_user_t *v) {
+ hv->comp = rep_validate_callback(v->comp);
+ hv->exec = rep_validate_callback(v->exec);
- cv = PL_main_cv;
- }
+ return;
+}
-get_enclosing_cv:
- for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
- cv = outside;
+#if XSH_THREADSAFE
- 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));
+static void xsh_hints_user_clone(pTHX_ xsh_hints_user_t *nv, xsh_hints_user_t *ov, CLONE_PARAMS *params) {
+ nv->comp = xsh_dup_inc(ov->comp, params);
+ nv->exec = xsh_dup_inc(ov->exec, params);
+
+ return;
}
-STATIC const rep_hint_t *rep_detag(pTHX_ const SV *hint) {
-#define rep_detag(H) rep_detag(aTHX_ (H))
- rep_hint_t *h;
+#endif /* XSH_THREADSAFE */
- if (!(hint && SvIOK(hint)))
- return NULL;
+static void xsh_hints_user_deinit(pTHX_ xsh_hints_user_t *hv) {
+ SvREFCNT_dec(hv->comp);
+ SvREFCNT_dec(hv->exec);
- h = INT2PTR(rep_hint_t *, SvIVX(hint));
-#if REP_THREADSAFE
- {
- dMY_CXT;
- h = ptable_fetch(MY_CXT.tbl, h);
- }
-#endif /* REP_THREADSAFE */
+ return;
+}
-#if REP_WORKAROUND_REQUIRE_PROPAGATION
- if (rep_require_tag() != h->require_tag)
- return NULL;
-#endif /* REP_WORKAROUND_REQUIRE_PROPAGATION */
+#define rep_hint() xsh_hints_detag(xsh_hints_fetch())
- return h;
-}
+#define XSH_HINTS_TYPE_USER 1
+#define XSH_HINTS_ONLY_COMPILE_TIME 0
-STATIC U32 rep_hash = 0;
+#include "xsh/hints.h"
-STATIC const rep_hint_t *rep_hint(pTHX) {
-#define rep_hint() rep_hint(aTHX)
- SV *hint;
+/* ... Thread-local storage ................................................ */
-#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
+#define XSH_THREADS_USER_CONTEXT 0
+#define XSH_THREADS_USER_LOCAL_SETUP 0
+#define XSH_THREADS_USER_LOCAL_TEARDOWN 0
+#define XSH_THREADS_USER_GLOBAL_TEARDOWN 0
+#define XSH_THREADS_COMPILE_TIME_PROTECTION 0
- return rep_detag(hint);
-}
+#include "xsh/threads.h"
/* --- Custom regexp engine ------------------------------------------------ */
Perl_croak(aTHX_ "Not an object"); \
}
-#if REP_HAS_PERL(5, 19, 4)
+#if XSH_HAS_PERL(5, 19, 4)
# define REP_ENG_EXEC_MINEND_TYPE SSize_t
#else
# define REP_ENG_EXEC_MINEND_TYPE I32
START_EXTERN_C
EXTERN_C const regexp_engine engine_plugin;
-#if REP_HAS_PERL(5, 11, 0)
+#if XSH_HAS_PERL(5, 11, 0)
EXTERN_C REGEXP * Plugin_comp(pTHX_ SV * const, U32);
#else
EXTERN_C REGEXP * Plugin_comp(pTHX_ const SV * const, const U32);
#endif
EXTERN_C I32 Plugin_exec(pTHX_ REGEXP * const, char *, char *,
char *, REP_ENG_EXEC_MINEND_TYPE, SV *, void *, U32);
-#if REP_HAS_PERL(5, 19, 1)
+#if XSH_HAS_PERL(5, 19, 1)
EXTERN_C char * Plugin_intuit(pTHX_ REGEXP * const, SV *, const char * const,
char *, char *, U32, re_scream_pos_data *);
#else
#if defined(USE_ITHREADS)
, Plugin_dupe
#endif
-#if REP_HAS_PERL(5, 17, 0)
+#if XSH_HAS_PERL(5, 17, 0)
, 0
#endif
};
SV * cb_num_capture_buff_LENGTH;
} *re__engine__Plugin;
-#if REP_HAS_PERL(5, 11, 0)
+#if XSH_HAS_PERL(5, 11, 0)
# define rxREGEXP(RX) (SvANY(RX))
# define newREGEXP(RX) ((RX) = ((REGEXP*) newSV_type(SVt_REGEXP)))
#else
#endif
REGEXP *
-#if REP_HAS_PERL(5, 11, 0)
+#if XSH_HAS_PERL(5, 11, 0)
Plugin_comp(pTHX_ SV * const pattern, U32 flags)
#else
Plugin_comp(pTHX_ const SV * const pattern, const U32 flags)
REGEXP *RX;
re__engine__Plugin re;
- const rep_hint_t *h;
+ const xsh_hints_user_t *h;
STRLEN plen;
char *pbuf;
rx->extflags = flags; /* Flags for perl to use */
rx->engine = RE_ENGINE_PLUGIN; /* Compile to use this engine */
-#if !REP_HAS_PERL(5, 11, 0)
+#if !XSH_HAS_PERL(5, 11, 0)
rx->refcnt = 1; /* Refcount so we won't be destroyed */
/* Precompiled pattern for pp_regcomp to use */
}
char *
-#if REP_HAS_PERL(5, 19, 1)
+#if XSH_HAS_PERL(5, 19, 1)
Plugin_intuit(pTHX_ REGEXP * const RX, SV *sv, const char * const strbeg,
char *strpos, char *strend, U32 flags, re_scream_pos_data *data)
#else
{
PERL_UNUSED_ARG(RX);
PERL_UNUSED_ARG(sv);
-#if REP_HAS_PERL(5, 19, 1)
+#if XSH_HAS_PERL(5, 19, 1)
PERL_UNUSED_ARG(strbeg);
#endif
PERL_UNUSED_ARG(strpos);
return newSVpvs("re::engine::Plugin");
}
-#if REP_THREADSAFE
-
-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 xsh_user_global_setup(pTHX) {
+ HV *stash;
-STATIC void rep_setup(pTHX) {
-#define rep_setup() rep_setup(aTHX)
- if (rep_initialized)
- return;
+ stash = gv_stashpvn(XSH_PACKAGE, XSH_PACKAGE_LEN, 1);
+ newCONSTSUB(stash, "REP_THREADSAFE", newSVuv(XSH_THREADSAFE));
+ newCONSTSUB(stash, "REP_FORKSAFE", newSVuv(XSH_FORKSAFE));
- {
- MY_CXT_INIT;
- MY_CXT.tbl = ptable_new();
- MY_CXT.owner = aTHX;
- }
-
- call_atexit(rep_teardown, aTHX);
-
- rep_initialized = 1;
+ return;
}
-#else /* REP_THREADSAFE */
-
-#define rep_setup()
-
-#endif /* !REP_THREADSAFE */
-
-STATIC U32 rep_booted = 0;
-
/* --- XS ------------------------------------------------------------------ */
MODULE = re::engine::Plugin PACKAGE = re::engine::Plugin
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();
+ xsh_setup();
}
-#if REP_THREADSAFE
+#if XSH_THREADSAFE
void
CLONE(...)
-PREINIT:
- ptable *t;
- GV *gv;
-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;
- }
- gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
- if (gv) {
- CV *cv = GvCV(gv);
- if (!PL_endav)
- PL_endav = newAV();
- SvREFCNT_inc(cv);
- if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
- SvREFCNT_dec(cv);
- sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &rep_endav_vtbl, NULL, 0);
- }
- XSRETURN(0);
-
-void
-_THREAD_CLEANUP(...)
-PROTOTYPE: DISABLE
PPCODE:
- rep_thread_cleanup(aTHX_ NULL);
+ xsh_clone();
XSRETURN(0);
-#endif /* REP_THREADSAFE */
+#endif /* XSH_THREADSAFE */
void
pattern(re::engine::Plugin self, ...)
SV *
_tag(SV *comp, SV *exec)
+PREINIT:
+ xsh_hints_user_t arg;
CODE:
- RETVAL = rep_tag(comp, exec);
+ arg.comp = comp;
+ arg.exec = exec;
+ RETVAL = xsh_hints_tag(&arg);
OUTPUT:
RETVAL
projects / perl / modules / re-engine-Plugin.git / blobdiff