/* scope.h
*
- * Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2004, 2005 by Larry Wall and others
+ * Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001,
+ * 2002, 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#define SAVEt_I8 32
#define SAVEt_COMPPAD 33
#define SAVEt_GENERIC_PVREF 34
-#define SAVEt_PADSV 35
+#define SAVEt_PADSV_AND_MORTALIZE 35
#define SAVEt_MORTALIZESV 36
#define SAVEt_SHARED_PVREF 37
#define SAVEt_BOOL 38
#define SAVEt_SET_SVFLAGS 39
#define SAVEt_SAVESWITCHSTACK 40
+#define SAVEt_COP_ARYBASE 41
+#define SAVEt_RE_STATE 42
+#define SAVEt_COMPILE_WARNINGS 43
+#define SAVEt_STACK_CXPOS 44
+#define SAVEt_PARSER 45
+#define SAVEt_ADELETE 46
+#define SAVEt_I32_SMALL 47
+#define SAVEt_INT_SMALL 48
+#define SAVEt_GVSV 49
+#define SAVEt_FREECOPHH 50
+
+#define SAVEf_SETMAGIC 1
+#define SAVEf_KEEPOLDELEM 2
+
+#define SAVE_TIGHT_SHIFT 6
+#define SAVE_MASK 0x3F
+
+#define save_aelem(av,idx,sptr) save_aelem_flags(av,idx,sptr,SAVEf_SETMAGIC)
+#define save_helem(hv,key,sptr) save_helem_flags(hv,key,sptr,SAVEf_SETMAGIC)
#ifndef SCOPE_SAVES_SIGNAL_MASK
#define SCOPE_SAVES_SIGNAL_MASK 0
#endif
-#define SSCHECK(need) if (PL_savestack_ix + (need) > PL_savestack_max) savestack_grow()
-#define SSGROW(need) if (PL_savestack_ix + (need) > PL_savestack_max) savestack_grow_cnt(need)
+#define SSCHECK(need) if (PL_savestack_ix + (I32)(need) > PL_savestack_max) savestack_grow()
+#define SSGROW(need) if (PL_savestack_ix + (I32)(need) > PL_savestack_max) savestack_grow_cnt(need)
#define SSPUSHINT(i) (PL_savestack[PL_savestack_ix++].any_i32 = (I32)(i))
#define SSPUSHLONG(i) (PL_savestack[PL_savestack_ix++].any_long = (long)(i))
#define SSPUSHBOOL(p) (PL_savestack[PL_savestack_ix++].any_bool = (p))
#define SSPUSHIV(i) (PL_savestack[PL_savestack_ix++].any_iv = (IV)(i))
+#define SSPUSHUV(u) (PL_savestack[PL_savestack_ix++].any_uv = (UV)(u))
#define SSPUSHPTR(p) (PL_savestack[PL_savestack_ix++].any_ptr = (void*)(p))
#define SSPUSHDPTR(p) (PL_savestack[PL_savestack_ix++].any_dptr = (p))
#define SSPUSHDXPTR(p) (PL_savestack[PL_savestack_ix++].any_dxptr = (p))
#define SSPOPLONG (PL_savestack[--PL_savestack_ix].any_long)
#define SSPOPBOOL (PL_savestack[--PL_savestack_ix].any_bool)
#define SSPOPIV (PL_savestack[--PL_savestack_ix].any_iv)
+#define SSPOPUV (PL_savestack[--PL_savestack_ix].any_uv)
#define SSPOPPTR (PL_savestack[--PL_savestack_ix].any_ptr)
#define SSPOPDPTR (PL_savestack[--PL_savestack_ix].any_dptr)
#define SSPOPDXPTR (PL_savestack[--PL_savestack_ix].any_dxptr)
=for apidoc Ams||LEAVE
Closing bracket on a callback. See C<ENTER> and L<perlcall>.
+=over
+
+=item ENTER_with_name(name)
+
+Same as C<ENTER>, but when debugging is enabled it also associates the
+given literal string with the new scope.
+
+=item LEAVE_with_name(name)
+
+Same as C<LEAVE>, but when debugging is enabled it first checks that the
+scope has the given name. Name must be a literal string.
+
+=back
+
=cut
*/
DEBUG_SCOPE("LEAVE") \
pop_scope(); \
} STMT_END
+#define ENTER_with_name(name) \
+ STMT_START { \
+ push_scope(); \
+ if (PL_scopestack_name) \
+ PL_scopestack_name[PL_scopestack_ix-1] = name; \
+ DEBUG_SCOPE("ENTER \"" name "\"") \
+ } STMT_END
+#define LEAVE_with_name(name) \
+ STMT_START { \
+ DEBUG_SCOPE("LEAVE \"" name "\"") \
+ if (PL_scopestack_name) { \
+ assert(((char*)PL_scopestack_name[PL_scopestack_ix-1] \
+ == (char*)name) \
+ || strEQ(PL_scopestack_name[PL_scopestack_ix-1], name)); \
+ } \
+ pop_scope(); \
+ } STMT_END
#else
#define ENTER push_scope()
#define LEAVE pop_scope()
+#define ENTER_with_name(name) ENTER
+#define LEAVE_with_name(name) LEAVE
#endif
#define LEAVE_SCOPE(old) if (PL_savestack_ix > old) leave_scope(old)
#define SAVEINT(i) save_int((int*)&(i))
#define SAVEIV(i) save_iv((IV*)&(i))
#define SAVELONG(l) save_long((long*)&(l))
-#define SAVEBOOL(b) save_bool((bool*)&(b))
+#define SAVEBOOL(b) save_bool(&(b))
#define SAVESPTR(s) save_sptr((SV**)&(s))
#define SAVEPPTR(s) save_pptr((char**)&(s))
#define SAVEVPTR(s) save_vptr((void*)&(s))
-#define SAVEPADSV(s) save_padsv(s)
-#define SAVEFREESV(s) save_freesv((SV*)(s))
-#define SAVEMORTALIZESV(s) save_mortalizesv((SV*)(s))
+#define SAVEPADSVANDMORTALIZE(s) save_padsv_and_mortalize(s)
+#define SAVEFREESV(s) save_freesv(MUTABLE_SV(s))
+#define SAVEMORTALIZESV(s) save_mortalizesv(MUTABLE_SV(s))
#define SAVEFREEOP(o) save_freeop((OP*)(o))
#define SAVEFREEPV(p) save_freepv((char*)(p))
#define SAVECLEARSV(sv) save_clearsv((SV**)&(sv))
#define SAVEGENERICPV(s) save_generic_pvref((char**)&(s))
#define SAVESHAREDPV(s) save_shared_pvref((char**)&(s))
#define SAVESETSVFLAGS(sv,mask,val) save_set_svflags(sv,mask,val)
+#define SAVEFREECOPHH(h) save_pushptr((void *)(h), SAVEt_FREECOPHH)
#define SAVEDELETE(h,k,l) \
- save_delete((HV*)(h), (char*)(k), (I32)(l))
+ save_delete(MUTABLE_HV(h), (char*)(k), (I32)(l))
+#define SAVEHDELETE(h,s) \
+ save_hdelete(MUTABLE_HV(h), (s))
+#define SAVEADELETE(a,k) \
+ save_adelete(MUTABLE_AV(a), (I32)(k))
#define SAVEDESTRUCTOR(f,p) \
save_destructor((DESTRUCTORFUNC_NOCONTEXT_t)(f), (void*)(p))
STMT_START { \
SSCHECK(2); \
SSPUSHINT(PL_stack_sp - PL_stack_base); \
- SSPUSHINT(SAVEt_STACK_POS); \
+ SSPUSHUV(SAVEt_STACK_POS); \
} STMT_END
#define SAVEOP() save_op()
-#define SAVEHINTS() \
- STMT_START { \
- SSCHECK(3); \
- if (PL_hints & HINT_LOCALIZE_HH) { \
- SSPUSHPTR(GvHV(PL_hintgv)); \
- GvHV(PL_hintgv) = newHVhv(GvHV(PL_hintgv)); \
- } \
- SSPUSHINT(PL_hints); \
- SSPUSHINT(SAVEt_HINTS); \
- } STMT_END
+#define SAVEHINTS() save_hints()
-#define SAVECOMPPAD() \
- STMT_START { \
- SSCHECK(2); \
- SSPUSHPTR((SV*)PL_comppad); \
- SSPUSHINT(SAVEt_COMPPAD); \
- } STMT_END
+#define SAVECOMPPAD() save_pushptr(MUTABLE_SV(PL_comppad), SAVEt_COMPPAD)
#define SAVESWITCHSTACK(f,t) \
STMT_START { \
- SSCHECK(3); \
- SSPUSHPTR((SV*)(f)); \
- SSPUSHPTR((SV*)(t)); \
- SSPUSHINT(SAVEt_SAVESWITCHSTACK); \
+ save_pushptrptr(MUTABLE_SV(f), MUTABLE_SV(t), SAVEt_SAVESWITCHSTACK); \
SWITCHSTACK((f),(t)); \
PL_curstackinfo->si_stack = (t); \
} STMT_END
+#define SAVECOPARYBASE(c) save_pushi32ptr(CopARYBASE_get(c), c, SAVEt_COP_ARYBASE);
+
+/* Need to do the cop warnings like this, rather than a "SAVEFREESHAREDPV",
+ because realloc() means that the value can actually change. Possibly
+ could have done savefreesharedpvREF, but this way actually seems cleaner,
+ as it simplifies the code that does the saves, and reduces the load on the
+ save stack. */
+#define SAVECOMPILEWARNINGS() save_pushptr(PL_compiling.cop_warnings, SAVEt_COMPILE_WARNINGS)
+
+#define SAVESTACK_CXPOS() \
+ STMT_START { \
+ SSCHECK(3); \
+ SSPUSHINT(cxstack[cxstack_ix].blk_oldsp); \
+ SSPUSHINT(cxstack_ix); \
+ SSPUSHUV(SAVEt_STACK_CXPOS); \
+ } STMT_END
+
+#define SAVEPARSER(p) save_pushptr((p), SAVEt_PARSER)
+
#ifdef USE_ITHREADS
# define SAVECOPSTASH(c) SAVEPPTR(CopSTASHPV(c))
# define SAVECOPSTASH_FREE(c) SAVESHAREDPV(CopSTASHPV(c))
#define SSNEW(size) Perl_save_alloc(aTHX_ (size), 0)
#define SSNEWt(n,t) SSNEW((n)*sizeof(t))
#define SSNEWa(size,align) Perl_save_alloc(aTHX_ (size), \
- (align - ((int)((caddr_t)&PL_savestack[PL_savestack_ix]) % align)) % align)
+ (I32)(align - ((size_t)((caddr_t)&PL_savestack[PL_savestack_ix]) % align)) % align)
#define SSNEWat(n,t,align) SSNEWa((n)*sizeof(t), align)
#define SSPTR(off,type) ((type) ((char*)PL_savestack + off))
#define SSPTRt(off,type) ((type*) ((char*)PL_savestack + off))
+#define save_freesv(op) save_pushptr((void *)(op), SAVEt_FREESV)
+#define save_mortalizesv(op) save_pushptr((void *)(op), SAVEt_MORTALIZESV)
+#define save_freeop(op) save_pushptr((void *)(op), SAVEt_FREEOP)
+#define save_freepv(pv) save_pushptr((void *)(pv), SAVEt_FREEPV)
+#define save_op() save_pushptr((void *)(PL_op), SAVEt_OP)
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
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