/* cop.h
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
U32 cop_seq; /* parse sequence number */
I32 cop_arybase; /* array base this line was compiled with */
line_t cop_line; /* line # of this command */
+ SV * cop_warnings; /* lexical warnings bitmask */
};
#define Nullcop Null(COP*)
AV * argarray;
U16 olddepth;
U8 hasargs;
+ U8 lval; /* XXX merge lval and hasargs? */
};
#define PUSHSUB(cx) \
cx->blk_sub.cv = cv; \
cx->blk_sub.olddepth = CvDEPTH(cv); \
- cx->blk_sub.hasargs = hasargs;
+ cx->blk_sub.hasargs = hasargs; \
+ cx->blk_sub.lval = PL_op->op_private & \
+ (OPpLVAL_INTRO|OPpENTERSUB_INARGS);
#define PUSHFORMAT(cx) \
cx->blk_sub.cv = cv; \
#define POPSAVEARRAY() \
STMT_START { \
SvREFCNT_dec(GvAV(PL_defgv)); \
- GvAV(PL_defgv) = cxsub.savearray; \
+ GvAV(PL_defgv) = cxsub.savearray; \
} STMT_END
#endif /* USE_THREADS */
#define POPSUB2() \
if (cxsub.hasargs) { \
POPSAVEARRAY(); \
- /* destroy arg array */ \
- av_clear(cxsub.argarray); \
- AvREAL_off(cxsub.argarray); \
+ /* abandon @_ if it got reified */ \
+ if (AvREAL(cxsub.argarray)) { \
+ SSize_t fill = AvFILLp(cxsub.argarray); \
+ SvREFCNT_dec(cxsub.argarray); \
+ cxsub.argarray = newAV(); \
+ av_extend(cxsub.argarray, fill); \
+ AvFLAGS(cxsub.argarray) = AVf_REIFY; \
+ PL_curpad[0] = (SV*)cxsub.argarray; \
+ } \
} \
if (cxsub.cv) { \
if (!(CvDEPTH(cxsub.cv) = cxsub.olddepth)) \
#define PUSHEVAL(cx,n,fgv) \
cx->blk_eval.old_in_eval = PL_in_eval; \
- cx->blk_eval.old_op_type = op->op_type; \
+ cx->blk_eval.old_op_type = PL_op->op_type; \
cx->blk_eval.old_name = n; \
cx->blk_eval.old_eval_root = PL_eval_root; \
cx->blk_eval.cur_text = PL_linestr;
#define POPLOOP2() \
SvREFCNT_dec(cxloop.iterlval); \
if (cxloop.itervar) { \
- SvREFCNT_dec(*cxloop.itervar); \
+ sv_2mortal(*cxloop.itervar); \
*cxloop.itervar = cxloop.itersave; \
} \
if (cxloop.iterary && cxloop.iterary != PL_curstack) \
cx->cx_type = t, \
cx->blk_oldsp = sp - PL_stack_base, \
cx->blk_oldcop = PL_curcop, \
- cx->blk_oldmarksp = PL_markstack_ptr - PL_markstack, \
+ cx->blk_oldmarksp = PL_markstack_ptr - PL_markstack, \
cx->blk_oldscopesp = PL_scopestack_ix, \
- cx->blk_oldretsp = PL_retstack_ix, \
+ cx->blk_oldretsp = PL_retstack_ix, \
cx->blk_oldpm = PL_curpm, \
cx->blk_gimme = gimme; \
DEBUG_l( PerlIO_printf(PerlIO_stderr(), "Entering block %ld, type %s\n", \
- (long)cxstack_ix, block_type[t]); )
+ (long)cxstack_ix, PL_block_type[CxTYPE(cx)]); )
/* Exit a block (RETURN and LAST). */
#define POPBLOCK(cx,pm) cx = &cxstack[cxstack_ix--], \
- newsp = PL_stack_base + cx->blk_oldsp, \
+ newsp = PL_stack_base + cx->blk_oldsp, \
PL_curcop = cx->blk_oldcop, \
PL_markstack_ptr = PL_markstack + cx->blk_oldmarksp, \
PL_scopestack_ix = cx->blk_oldscopesp, \
pm = cx->blk_oldpm, \
gimme = cx->blk_gimme; \
DEBUG_l( PerlIO_printf(PerlIO_stderr(), "Leaving block %ld, type %s\n", \
- (long)cxstack_ix+1,block_type[cx->cx_type]); )
+ (long)cxstack_ix+1,PL_block_type[CxTYPE(cx)]); )
/* Continue a block elsewhere (NEXT and REDO). */
#define TOPBLOCK(cx) cx = &cxstack[cxstack_ix], \
- PL_stack_sp = PL_stack_base + cx->blk_oldsp, \
+ PL_stack_sp = PL_stack_base + cx->blk_oldsp, \
PL_markstack_ptr = PL_markstack + cx->blk_oldmarksp, \
PL_scopestack_ix = cx->blk_oldscopesp, \
- PL_retstack_ix = cx->blk_oldretsp
+ PL_retstack_ix = cx->blk_oldretsp, \
+ PL_curpm = cx->blk_oldpm
/* substitution context */
struct subst {
I32 sbu_iters;
I32 sbu_maxiters;
- I32 sbu_safebase;
+ I32 sbu_rflags;
I32 sbu_oldsave;
bool sbu_once;
bool sbu_rxtainted;
};
#define sb_iters cx_u.cx_subst.sbu_iters
#define sb_maxiters cx_u.cx_subst.sbu_maxiters
-#define sb_safebase cx_u.cx_subst.sbu_safebase
+#define sb_rflags cx_u.cx_subst.sbu_rflags
#define sb_oldsave cx_u.cx_subst.sbu_oldsave
#define sb_once cx_u.cx_subst.sbu_once
#define sb_rxtainted cx_u.cx_subst.sbu_rxtainted
#define PUSHSUBST(cx) CXINC, cx = &cxstack[cxstack_ix], \
cx->sb_iters = iters, \
cx->sb_maxiters = maxiters, \
- cx->sb_safebase = safebase, \
+ cx->sb_rflags = r_flags, \
cx->sb_oldsave = oldsave, \
cx->sb_once = once, \
cx->sb_rxtainted = rxtainted, \
rxres_free(&cx->sb_rxres)
struct context {
- I32 cx_type; /* what kind of context this is */
+ U32 cx_type; /* what kind of context this is */
union {
struct block cx_blk;
struct subst cx_subst;
} cx_u;
};
+
+#define CXTYPEMASK 0xff
#define CXt_NULL 0
#define CXt_SUB 1
#define CXt_EVAL 2
#define CXt_SUBST 4
#define CXt_BLOCK 5
+/* private flags for CXt_EVAL */
+#define CXp_REAL 0x00000100 /* truly eval'', not a lookalike */
+
+#define CxTYPE(c) ((c)->cx_type & CXTYPEMASK)
+#define CxREALEVAL(c) (((c)->cx_type & (CXt_EVAL|CXp_REAL)) == (CXt_EVAL|CXp_REAL))
+
#define CXINC (cxstack_ix < cxstack_max ? ++cxstack_ix : (cxstack_ix = cxinc()))
/* "gimme" values */
#define G_ARRAY 1
#define G_VOID 128 /* skip this bit when adding flags below */
-/* extra flags for perl_call_* routines */
+/* extra flags for Perl_call_* routines */
#define G_DISCARD 2 /* Call FREETMPS. */
#define G_EVAL 4 /* Assume eval {} around subroutine call. */
#define G_NOARGS 8 /* Don't construct a @_ array. */
#define G_KEEPERR 16 /* Append errors to $@, don't overwrite it */
#define G_NODEBUG 32 /* Disable debugging at toplevel. */
+#define G_NOCATCH 64 /* Don't do CATCH_SET() */
+
+/* flag bits for PL_in_eval */
+#define EVAL_NULL 0 /* not in an eval */
+#define EVAL_INEVAL 1 /* some enclosing scope is an eval */
+#define EVAL_WARNONLY 2 /* used by yywarn() when calling yyerror() */
+#define EVAL_KEEPERR 4 /* set by Perl_call_sv if G_KEEPERR */
/* Support for switching (stack and block) contexts.
* This ensures magic doesn't invalidate local stack and cx pointers.
#define PUSHSTACK PUSHSTACKi(PERLSI_UNKNOWN)
+/* POPSTACK works with PL_stack_sp, so it may need to be bracketed by
+ * PUTBACK/SPAGAIN to flush/refresh any local SP that may be active */
#define POPSTACK \
STMT_START { \
+ djSP; \
PERL_SI *prev = PL_curstackinfo->si_prev; \
if (!prev) { \
PerlIO_printf(PerlIO_stderr(), "panic: POPSTACK\n"); \
projects / p5sagit/p5-mst-13.2.git / blobdiff