int je_ret; /* last exception thrown */
bool je_mustcatch; /* need to call longjmp()? */
U16 je_old_delaymagic; /* saved PL_delaymagic */
+ SSize_t je_old_stack_hwm;
};
typedef struct jmpenv JMPENV;
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+# define JE_OLD_STACK_HWM_zero PL_start_env.je_old_stack_hwm = 0
+# define JE_OLD_STACK_HWM_save(je) \
+ (je).je_old_stack_hwm = PL_curstackinfo->si_stack_hwm
+# define JE_OLD_STACK_HWM_restore(je) \
+ if (PL_curstackinfo->si_stack_hwm < (je).je_old_stack_hwm) \
+ PL_curstackinfo->si_stack_hwm = (je).je_old_stack_hwm
+#else
+# define JE_OLD_STACK_HWM_zero NOOP
+# define JE_OLD_STACK_HWM_save(je) NOOP
+# define JE_OLD_STACK_HWM_restore(je) NOOP
+#endif
+
/*
* How to build the first jmpenv.
*
PL_start_env.je_ret = -1; \
PL_start_env.je_mustcatch = TRUE; \
PL_start_env.je_old_delaymagic = 0; \
+ JE_OLD_STACK_HWM_zero; \
} STMT_END
/*
Perl_deb(aTHX_ "JUMPENV_PUSH level=%d at %s:%d\n", \
i, __FILE__, __LINE__);}) \
cur_env.je_prev = PL_top_env; \
+ JE_OLD_STACK_HWM_save(cur_env); \
cur_env.je_ret = PerlProc_setjmp(cur_env.je_buf, SCOPE_SAVES_SIGNAL_MASK); \
+ JE_OLD_STACK_HWM_restore(cur_env); \
PL_top_env = &cur_env; \
cur_env.je_mustcatch = FALSE; \
cur_env.je_old_delaymagic = PL_delaymagic; \
Perl_refcounted_he_fetch_pvn(aTHX_ cophh, keypv, keylen, hash, flags)
/*
-=for apidoc Amx|SV *|cophh_fetch_pvs|const COPHH *cophh|const char *key|U32 flags
+=for apidoc Amx|SV *|cophh_fetch_pvs|const COPHH *cophh|"literal string" key|U32 flags
-Like L</cophh_fetch_pvn>, but takes a literal string instead of a
-string/length pair, and no precomputed hash.
+Like L</cophh_fetch_pvn>, but takes a literal string instead
+of a string/length pair, and no precomputed hash.
=cut
*/
Perl_refcounted_he_new_pvn(aTHX_ cophh, keypv, keylen, hash, value, flags)
/*
-=for apidoc Amx|COPHH *|cophh_store_pvs|const COPHH *cophh|const char *key|SV *value|U32 flags
+=for apidoc Amx|COPHH *|cophh_store_pvs|const COPHH *cophh|"literal string" key|SV *value|U32 flags
-Like L</cophh_store_pvn>, but takes a literal string instead of a
-string/length pair, and no precomputed hash.
+Like L</cophh_store_pvn>, but takes a literal string instead
+of a string/length pair, and no precomputed hash.
=cut
*/
(SV *)NULL, flags)
/*
-=for apidoc Amx|COPHH *|cophh_delete_pvs|const COPHH *cophh|const char *key|U32 flags
+=for apidoc Amx|COPHH *|cophh_delete_pvs|const COPHH *cophh|"literal string" key|U32 flags
-Like L</cophh_delete_pvn>, but takes a literal string instead of a
-string/length pair, and no precomputed hash.
+Like L</cophh_delete_pvn>, but takes a literal string instead
+of a string/length pair, and no precomputed hash.
=cut
*/
cophh_fetch_pvn(CopHINTHASH_get(cop), keypv, keylen, hash, flags)
/*
-=for apidoc Am|SV *|cop_hints_fetch_pvs|const COP *cop|const char *key|U32 flags
+=for apidoc Am|SV *|cop_hints_fetch_pvs|const COP *cop|"literal string" key|U32 flags
-Like L</cop_hints_fetch_pvn>, but takes a literal string instead of a
-string/length pair, and no precomputed hash.
+Like L</cop_hints_fetch_pvn>, but takes a literal string
+instead of a string/length pair, and no precomputed hash.
=cut
*/
? 0 : (U8)func(aTHX) \
)
-#define CX_PUSHFORMAT(cx, cv, gv, retop) \
- cx->blk_format.cv = cv; \
- cx->blk_format.gv = gv; \
- cx->blk_format.retop = (retop); \
- cx->blk_format.dfoutgv = PL_defoutgv; \
- cx->blk_format.prevcomppad = PL_comppad; \
- cx->blk_u16 = 0; \
- SvREFCNT_inc_simple_void_NN(cv); \
- CvDEPTH(cv)++; \
- SvREFCNT_inc_void(cx->blk_format.dfoutgv)
-
/* Restore old @_ */
#define CX_POP_SAVEARRAY(cx) \
STMT_START { \
- AV *av = GvAV(PL_defgv); \
+ AV *cx_pop_savearray_av = GvAV(PL_defgv); \
GvAV(PL_defgv) = cx->blk_sub.savearray; \
cx->blk_sub.savearray = NULL; \
- SvREFCNT_dec(av); \
+ SvREFCNT_dec(cx_pop_savearray_av); \
} STMT_END
/* junk in @_ spells trouble when cloning CVs and in pp_caller(), so don't
} STMT_END
-#define CX_POPFORMAT(cx) \
- STMT_START { \
- CV *cv; \
- GV * const dfout = cx->blk_format.dfoutgv; \
- assert(CxTYPE(cx) == CXt_FORMAT); \
- setdefout(dfout); \
- cx->blk_format.dfoutgv = NULL; \
- SvREFCNT_dec_NN(dfout); /* the cx->defoutgv ref */ \
- PL_comppad = cx->blk_format.prevcomppad; \
- PL_curpad = LIKELY(PL_comppad) ? AvARRAY(PL_comppad) : NULL; \
- cv = cx->blk_format.cv; \
- cx->blk_format.cv = NULL;; \
- --CvDEPTH(cv); \
- SvREFCNT_dec_NN(cv); \
- } STMT_END
-
/* eval context */
struct block_eval {
OP * retop; /* op to execute on exit from eval */
blku_gimme is actually also only 2 bits, so could be merged with something.
*/
-#define CxOLD_IN_EVAL(cx) (((cx)->blk_u16) & 0x7F)
-#define CxOLD_OP_TYPE(cx) (((cx)->blk_u16) >> 7)
-
-#define CX_PUSHEVAL(cx, op, n) \
- STMT_START { \
- assert(!(PL_in_eval & ~0x7F)); \
- assert(!(PL_op->op_type & ~0x1FF)); \
- cx->blk_u16 = (PL_in_eval & 0x7F) | ((U16)PL_op->op_type << 7); \
- cx->blk_eval.old_namesv = (n); \
- cx->blk_eval.old_eval_root = PL_eval_root; \
- cx->blk_eval.cur_text = PL_parser ? PL_parser->linestr : NULL; \
- cx->blk_eval.cv = NULL; /* set by doeval_compile() as applicable */ \
- cx->blk_eval.retop = op; \
- cx->blk_eval.cur_top_env = PL_top_env; \
- } STMT_END
+/* blk_u16 bit usage for eval contexts: */
-#define CX_POPEVAL(cx) \
- STMT_START { \
- SV *sv; \
- assert(CxTYPE(cx) == CXt_EVAL); \
- PL_in_eval = CxOLD_IN_EVAL(cx); \
- PL_eval_root = cx->blk_eval.old_eval_root; \
- sv = cx->blk_eval.cur_text; \
- if (sv && SvSCREAM(sv)) { \
- cx->blk_eval.cur_text = NULL; \
- SvREFCNT_dec_NN(sv); \
- } \
- sv = cx->blk_eval.old_namesv; \
- if (sv && !SvTEMP(sv))/* TEMP implies CX_POPEVAL re-entrantly called */ \
- sv_2mortal(sv); \
- } STMT_END
+#define CxOLD_IN_EVAL(cx) (((cx)->blk_u16) & 0x3F) /* saved PL in_eval */
+#define CxEVAL_TXT_REFCNTED(cx) (((cx)->blk_u16) & 0x40) /* cur_text rc++ */
+#define CxOLD_OP_TYPE(cx) (((cx)->blk_u16) >> 7) /* type of eval op */
/* loop context */
struct block_loop {
#define CxLVAL(c) (0 + ((c)->blk_u16 & 0xff))
-#define CX_PUSHLOOP_PLAIN(cx) \
- cx->blk_loop.my_op = cLOOP;
-
-#ifdef USE_ITHREADS
-# define CX_PUSHLOOP_FOR_setpad(c) (c)->blk_loop.oldcomppad = PL_comppad
-#else
-# define CX_PUSHLOOP_FOR_setpad(c) NOOP
-#endif
-
-#define CX_PUSHLOOP_FOR(cx, ivar, isave) \
- CX_PUSHLOOP_PLAIN(cx); \
- cx->blk_loop.itervar_u.svp = (SV**)(ivar); \
- cx->blk_loop.itersave = isave; \
- CX_PUSHLOOP_FOR_setpad(cx);
-
-#define CX_POPLOOP(cx) \
- assert(CxTYPE_is_LOOP(cx)); \
- if ( CxTYPE(cx) == CXt_LOOP_ARY \
- || CxTYPE(cx) == CXt_LOOP_LAZYSV) \
- { \
- /* Free ary or cur. This assumes that state_u.ary.ary \
- * aligns with state_u.lazysv.cur. See cx_dup() */ \
- SV *sv = cx->blk_loop.state_u.lazysv.cur; \
- cx->blk_loop.state_u.lazysv.cur = NULL; \
- SvREFCNT_dec_NN(sv); \
- if (CxTYPE(cx) == CXt_LOOP_LAZYSV) { \
- sv = cx->blk_loop.state_u.lazysv.end; \
- cx->blk_loop.state_u.lazysv.end = NULL; \
- SvREFCNT_dec_NN(sv); \
- } \
- } \
- if (cx->cx_type & (CXp_FOR_PAD|CXp_FOR_GV)) { \
- SV *cursv; \
- SV **svp = (cx)->blk_loop.itervar_u.svp; \
- if ((cx->cx_type & CXp_FOR_GV)) \
- svp = &GvSV((GV*)svp); \
- cursv = *svp; \
- *svp = cx->blk_loop.itersave; \
- cx->blk_loop.itersave = NULL; \
- SvREFCNT_dec(cursv); \
- }
/* given/when context */
struct block_givwhen {
SV *defsv_save; /* the original $_ */
};
-#define CX_PUSHWHEN(cx) \
- cx->blk_givwhen.leave_op = cLOGOP->op_other;
-
-#define CX_PUSHGIVEN(cx, orig_var) \
- CX_PUSHWHEN(cx); \
- cx->blk_givwhen.defsv_save = orig_var;
-
-#define CX_POPWHEN(cx) \
- assert(CxTYPE(cx) == CXt_WHEN); \
- NOOP;
-
-#define CX_POPGIVEN(cx) \
- STMT_START { \
- SV *sv = GvSV(PL_defgv); \
- assert(CxTYPE(cx) == CXt_GIVEN); \
- GvSV(PL_defgv) = cx->blk_givwhen.defsv_save; \
- cx->blk_givwhen.defsv_save = NULL; \
- SvREFCNT_dec(sv); \
- } STMT_END
-
/* context common to subroutines, evals and loops */
#define blk_gimme cx_u.cx_blk.blku_gimme
#define blk_u16 cx_u.cx_blk.blku_u16
#define blk_oldsaveix cx_u.cx_blk.blku_oldsaveix
+#define blk_old_tmpsfloor cx_u.cx_blk.blku_old_tmpsfloor
#define blk_sub cx_u.cx_blk.blk_u.blku_sub
#define blk_format cx_u.cx_blk.blk_u.blku_format
#define blk_eval cx_u.cx_blk.blk_u.blku_eval
/* be careful of the ordering of these five. Macros like CxTYPE_is_LOOP,
* CxFOREACH compare ranges */
-#define CXt_LOOP_ARY 4 /* for (@ary) {} */
-#define CXt_LOOP_LAZYSV 5 /* for ('a'..'z') {} */
-#define CXt_LOOP_LAZYIV 6 /* for (1..9) {} */
-#define CXt_LOOP_LIST 7 /* for (1,2,3) {} */
-#define CXt_LOOP_PLAIN 8 /* {} */
-
+#define CXt_LOOP_ARY 4 /* for (@ary) { ...; } */
+#define CXt_LOOP_LAZYSV 5 /* for ('a'..'z') { ...; } */
+#define CXt_LOOP_LAZYIV 6 /* for (1..9) { ...; } */
+#define CXt_LOOP_LIST 7 /* for (1,2,3) { ...; } */
+#define CXt_LOOP_PLAIN 8 /* while (...) { ...; }
+ or plain block { ...; } */
#define CXt_SUB 9
#define CXt_FORMAT 10
#define CXt_EVAL 11
#define EVAL_KEEPERR 4 /* set by Perl_call_sv if G_KEEPERR */
#define EVAL_INREQUIRE 8 /* The code is being required. */
#define EVAL_RE_REPARSING 0x10 /* eval_sv() called with G_RE_REPARSING */
+/* if adding extra bits, make sure they can fit in CxOLD_OP_TYPE() */
/* Support for switching (stack and block) contexts.
* This ensures magic doesn't invalidate local stack and cx pointers.
I32 si_markoff; /* offset where markstack begins for us.
* currently used only with DEBUGGING,
* but not #ifdef-ed for bincompat */
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+/* high water mark: for checking if the stack was correctly extended /
+ * tested for extension by each pp function */
+ SSize_t si_stack_hwm;
+#endif
+
};
typedef struct stackinfo PERL_SI;
# define SET_MARK_OFFSET NOOP
#endif
+#if defined DEBUGGING && !defined DEBUGGING_RE_ONLY
+# define PUSHSTACK_INIT_HWM(si) ((si)->si_stack_hwm = 0)
+#else
+# define PUSHSTACK_INIT_HWM(si) NOOP
+#endif
+
#define PUSHSTACKi(type) \
STMT_START { \
PERL_SI *next = PL_curstackinfo->si_next; \
} \
next->si_type = type; \
next->si_cxix = -1; \
+ PUSHSTACK_INIT_HWM(next); \
AvFILLp(next->si_stack) = 0; \
SWITCHSTACK(PL_curstack,next->si_stack); \
PL_curstackinfo = next; \
} \
} STMT_END
-#define IN_PERL_COMPILETIME (PL_curcop == &PL_compiling)
-#define IN_PERL_RUNTIME (PL_curcop != &PL_compiling)
+#define IN_PERL_COMPILETIME cBOOL(PL_curcop == &PL_compiling)
+#define IN_PERL_RUNTIME cBOOL(PL_curcop != &PL_compiling)
*/
#define dMULTICALL \
- SV **newsp; /* set by cx_popblock */ \
- PERL_CONTEXT *cx; \
- CV *multicall_cv; \
- OP *multicall_cop; \
- bool multicall_oldcatch; \
- I32 saveix_floor; \
- U8 hasargs = 0 /* used by CX_PUSHSUB */
+ OP *multicall_cop; \
+ bool multicall_oldcatch
#define PUSH_MULTICALL(the_cv) \
PUSH_MULTICALL_FLAGS(the_cv, 0)
#define PUSH_MULTICALL_FLAGS(the_cv, flags) \
STMT_START { \
+ PERL_CONTEXT *cx; \
CV * const _nOnclAshIngNamE_ = the_cv; \
CV * const cv = _nOnclAshIngNamE_; \
PADLIST * const padlist = CvPADLIST(cv); \
multicall_oldcatch = CATCH_GET; \
CATCH_SET(TRUE); \
PUSHSTACKi(PERLSI_MULTICALL); \
- cx = cx_pushblock((CXt_SUB|CXp_MULTICALL|flags), gimme, \
+ cx = cx_pushblock((CXt_SUB|CXp_MULTICALL|flags), (U8)gimme, \
PL_stack_sp, PL_savestack_ix); \
- cx_pushsub(cx, cv, NULL, cBOOL(hasargs)); \
+ cx_pushsub(cx, cv, NULL, 0); \
SAVEOP(); \
- saveix_floor = PL_savestack_ix; \
if (!(flags & CXp_SUB_RE_FAKE)) \
CvDEPTH(cv)++; \
if (CvDEPTH(cv) >= 2) \
Perl_pad_push(aTHX_ padlist, CvDEPTH(cv)); \
PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv)); \
- multicall_cv = cv; \
- PERL_UNUSED_VAR(multicall_cv); /* for API */ \
multicall_cop = CvSTART(cv); \
} STMT_END
STMT_START { \
PL_op = multicall_cop; \
CALLRUNOPS(aTHX); \
- cx = CX_CUR(); \
- LEAVE_SCOPE(saveix_floor); \
} STMT_END
#define POP_MULTICALL \
STMT_START { \
+ PERL_CONTEXT *cx; \
cx = CX_CUR(); \
CX_LEAVE_SCOPE(cx); \
cx_popsub_common(cx); \
- newsp = PL_stack_base + cx->blk_oldsp; \
gimme = cx->blk_gimme; \
- PERL_UNUSED_VAR(newsp); /* for API */ \
PERL_UNUSED_VAR(gimme); /* for API */ \
cx_popblock(cx); \
CX_POP(cx); \
CV * const _nOnclAshIngNamE_ = the_cv; \
CV * const cv = _nOnclAshIngNamE_; \
PADLIST * const padlist = CvPADLIST(cv); \
- cx = CX_CUR(); \
+ PERL_CONTEXT *cx = CX_CUR(); \
assert(CxMULTICALL(cx)); \
cx_popsub_common(cx); \
cx->cx_type = (CXt_SUB|CXp_MULTICALL|flags); \
- cx_pushsub(cx, cv, NULL, cBOOL(hasargs)); \
+ cx_pushsub(cx, cv, NULL, 0); \
if (!(flags & CXp_SUB_RE_FAKE)) \
CvDEPTH(cv)++; \
if (CvDEPTH(cv) >= 2) \
Perl_pad_push(aTHX_ padlist, CvDEPTH(cv)); \
PAD_SET_CUR_NOSAVE(padlist, CvDEPTH(cv)); \
- multicall_cv = cv; \
multicall_cop = CvSTART(cv); \
} STMT_END
/*
https://perl5.git.perl.org / perl5.git / blobdiff