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Okay, here's your official unofficial closure leak patch
[perl5.git] / cop.h
diff --git a/cop.h b/cop.h
index acf0fda..3953dd4 100644 (file)
--- a/cop.h
+++ b/cop.h
@@ -1,61 +1,20 @@
-/* $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*)
@@ -92,8 +51,7 @@ struct block_sub {
        }                                                               \
        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);                      \
            }                                                           \
        }
 
@@ -106,13 +64,15 @@ 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;                             \
@@ -184,20 +144,20 @@ 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],                                \
@@ -264,6 +224,10 @@ struct context {
 #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. */