-/* $RCSfile: cmd.h,v $$Revision: 4.1 $$Date: 92/08/07 17:19:19 $
+/* cop.h
*
- * Copyright (c) 1991, Larry Wall
+ * Copyright (c) 1991-1994, 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.
*
- * $Log: cmd.h,v $
- * Revision 4.1 92/08/07 17:19:19 lwall
- * Stage 6 Snapshot
- *
- * Revision 4.0.1.2 92/06/08 12:01:02 lwall
- * patch20: removed implicit int declarations on funcions
- *
- * Revision 4.0.1.1 91/06/07 10:28:50 lwall
- * patch4: new copyright notice
- * patch4: length($`), length($&), length($') now optimized to avoid string copy
- *
- * Revision 4.0 91/03/20 01:04:34 lwall
- * 4.0 baseline.
- *
*/
-struct acop {
- GV *acop_gv; /* a symbol table entry */
- OP *acop_expr; /* any associated expression */
-};
-
-struct ccop {
- OP *ccop_true; /* normal code to do on if and while */
- OP *ccop_alt; /* else cmd ptr or continue code */
-};
-
-struct scop {
- OP **scop_next; /* array of pointers to commands */
- short scop_offset; /* first value - 1 */
- short scop_max; /* last value + 1 */
-};
-
struct cop {
BASEOP
- OP *cop_expr; /* conditional expression */
- OP *cop_head; /* head of this command list */
- SV *cop_short; /* string to match as shortcut */
- GV *cop_gv; /* a symbol table entry, mostly for fp */
- char *cop_label; /* label for this construct */
- union uop {
- struct acop acop; /* normal command */
- struct ccop ccop; /* compound command */
- struct scop scop; /* switch command */
- } uop;
- U32 cop_seq; /* parse sequence number */
- short cop_slen; /* len of cop_short, if not null */
- VOL short cop_flags; /* optimization flags--see above */
+ char * cop_label; /* label for this construct */
HV * cop_stash; /* package line was compiled in */
GV * cop_filegv; /* file the following line # is from */
+ U32 cop_seq; /* parse sequence number */
+ I32 cop_arybase; /* array base this line was compiled with */
line_t cop_line; /* line # of this command */
- char cop_type; /* what this command does */
};
#define Nullcop Null(COP*)
#define PUSHFORMAT(cx) \
cx->blk_sub.cv = cv; \
cx->blk_sub.gv = gv; \
+ cx->blk_sub.hasargs = 0; \
cx->blk_sub.dfoutgv = defoutgv; \
- cx->blk_sub.hasargs = 0;
+ (void)SvREFCNT_inc(cx->blk_sub.dfoutgv)
#define POPSUB(cx) \
if (cx->blk_sub.hasargs) { /* put back old @_ */ \
} \
if (cx->blk_sub.cv) { \
if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) { \
- if (CvDELETED(cx->blk_sub.cv)) \
- SvREFCNT_dec((SV*)cx->blk_sub.cv); \
+ SvREFCNT_dec((SV*)cx->blk_sub.cv); \
} \
}
#define POPFORMAT(cx) \
- defoutgv = cx->blk_sub.dfoutgv;
+ setdefout(cx->blk_sub.dfoutgv); \
+ SvREFCNT_dec(cx->blk_sub.dfoutgv);
/* eval context */
struct block_eval {
I32 old_op_type;
char * old_name;
OP * old_eval_root;
+ SV * cur_text;
};
#define PUSHEVAL(cx,n,fgv) \
cx->blk_eval.old_in_eval = in_eval; \
cx->blk_eval.old_op_type = op->op_type; \
cx->blk_eval.old_name = n; \
- cx->blk_eval.old_eval_root = eval_root;
+ cx->blk_eval.old_eval_root = eval_root; \
+ cx->blk_eval.cur_text = linestr;
#define POPEVAL(cx) \
in_eval = cx->blk_eval.old_in_eval; \
cx->blk_loop.itersave = *cx->blk_loop.itervar;
#define POPLOOP(cx) \
- newsp = stack_base + cx->blk_loop.resetsp; \
- if (cx->blk_loop.itervar) \
- *cx->blk_loop.itervar = cx->blk_loop.itersave;
+ newsp = stack_base + cx->blk_loop.resetsp;
/* context common to subroutines, evals and loops */
struct block {
cx->blk_oldretsp = retstack_ix, \
cx->blk_oldpm = curpm, \
cx->blk_gimme = gimme; \
- DEBUG_l( fprintf(stderr,"Entering block %d, type %s\n", \
- cxstack_ix, block_type[t]); )
+ DEBUG_l( fprintf(stderr,"Entering block %ld, type %s\n", \
+ (long)cxstack_ix, block_type[t]); )
/* Exit a block (RETURN and LAST). */
-#define POPBLOCK(cx) cx = &cxstack[cxstack_ix--], \
+#define POPBLOCK(cx,pm) cx = &cxstack[cxstack_ix--], \
newsp = stack_base + cx->blk_oldsp, \
curcop = cx->blk_oldcop, \
markstack_ptr = markstack + cx->blk_oldmarksp, \
scopestack_ix = cx->blk_oldscopesp, \
retstack_ix = cx->blk_oldretsp, \
- curpm = cx->blk_oldpm, \
+ pm = cx->blk_oldpm, \
gimme = cx->blk_gimme; \
- DEBUG_l( fprintf(stderr,"Leaving block %d, type %s\n", \
- cxstack_ix+1,block_type[cx->cx_type]); )
+ DEBUG_l( fprintf(stderr,"Leaving block %ld, type %s\n", \
+ (long)cxstack_ix+1,block_type[cx->cx_type]); )
/* Continue a block elsewhere (NEXT and REDO). */
#define TOPBLOCK(cx) cx = &cxstack[cxstack_ix], \
I32 sbu_maxiters;
I32 sbu_safebase;
I32 sbu_once;
+ I32 sbu_oldsave;
char * sbu_orig;
SV * sbu_dstr;
SV * sbu_targ;
char * sbu_m;
char * sbu_strend;
char * sbu_subbase;
+ REGEXP * sbu_rx;
};
#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_once cx_u.cx_subst.sbu_once
+#define sb_oldsave cx_u.cx_subst.sbu_oldsave
#define sb_orig cx_u.cx_subst.sbu_orig
#define sb_dstr cx_u.cx_subst.sbu_dstr
#define sb_targ cx_u.cx_subst.sbu_targ
#define sb_m cx_u.cx_subst.sbu_m
#define sb_strend cx_u.cx_subst.sbu_strend
#define sb_subbase cx_u.cx_subst.sbu_subbase
+#define sb_rx cx_u.cx_subst.sbu_rx
#define PUSHSUBST(cx) CXINC, cx = &cxstack[cxstack_ix], \
cx->sb_iters = iters, \
cx->sb_maxiters = maxiters, \
cx->sb_safebase = safebase, \
cx->sb_once = once, \
+ cx->sb_oldsave = oldsave, \
cx->sb_orig = orig, \
cx->sb_dstr = dstr, \
cx->sb_targ = targ, \
cx->sb_s = s, \
cx->sb_m = m, \
cx->sb_strend = strend, \
+ cx->sb_rx = rx, \
cx->cx_type = CXt_SUBST
#define POPSUBST(cx) cxstack_ix--
#define CXINC (cxstack_ix < cxstack_max ? ++cxstack_ix : (cxstack_ix = cxinc()))
/* "gimme" values */
-#define G_SCALAR 0
-#define G_ARRAY 1
-
+#define G_SCALAR 0
+#define G_ARRAY 1
+
+/* 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 $@ rather than overwriting it */
https://perl5.git.perl.org / perl5.git / blobdiff