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Re: [PATCH] minor speed-up for pp_push()
[perl5.git] / x2p / a2p.y
index da9b628..74c42d8 100644 (file)
--- a/x2p/a2p.y
+++ b/x2p/a2p.y
@@ -1,7 +1,8 @@
 %{
 /* $RCSfile: a2p.y,v $$Revision: 4.1 $$Date: 92/08/07 18:29:12 $
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1996, 1997, 1999, 2000,
+ *    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.
@@ -43,7 +44,7 @@ int ends = Nullop;
 %left NOT
 %right '^'
 %left INCR DECR
-%left FIELD VFIELD
+%left FIELD VFIELD SVFIELD
 
 %%
 
@@ -136,11 +137,12 @@ expr      : term
        | expr '?' expr ':' expr
                { $$ = oper3(OCOND,$1,$3,$5); }
        | variable ASGNOP cond
-               { $$ = oper3(OASSIGN,$2,$1,$3);
-                       if ((ops[$1].ival & 255) == OFLD)
-                           lval_field = TRUE;
-                       if ((ops[$1].ival & 255) == OVFLD)
-                           lval_field = TRUE;
+               {
+                   $$ = oper3(OASSIGN,$2,$1,$3);
+                   if ((ops[$1].ival & 255) == OFLD)
+                       lval_field = TRUE;
+                   else if ((ops[$1].ival & 255) == OVFLD)
+                       lval_field = TRUE;
                }
        ;
 
@@ -168,13 +170,37 @@ term      : variable
        | term IN VAR
                { $$ = oper2(ODEFINED,aryrefarg($3),$1); }
        | variable INCR
-               { $$ = oper1(OPOSTINCR,$1); }
+               {
+                   $$ = oper1(OPOSTINCR,$1);
+                   if ((ops[$1].ival & 255) == OFLD)
+                       lval_field = TRUE;
+                   else if ((ops[$1].ival & 255) == OVFLD)
+                       lval_field = TRUE;
+               }
        | variable DECR
-               { $$ = oper1(OPOSTDECR,$1); }
+               {
+                   $$ = oper1(OPOSTDECR,$1);
+                   if ((ops[$1].ival & 255) == OFLD)
+                       lval_field = TRUE;
+                   else if ((ops[$1].ival & 255) == OVFLD)
+                       lval_field = TRUE;
+               }
        | INCR variable
-               { $$ = oper1(OPREINCR,$2); }
+               {
+                   $$ = oper1(OPREINCR,$2);
+                   if ((ops[$2].ival & 255) == OFLD)
+                       lval_field = TRUE;
+                   else if ((ops[$2].ival & 255) == OVFLD)
+                       lval_field = TRUE;
+               }
        | DECR variable
-               { $$ = oper1(OPREDECR,$2); }
+               {
+                   $$ = oper1(OPREDECR,$2);
+                   if ((ops[$2].ival & 255) == OFLD)
+                       lval_field = TRUE;
+                   else if ((ops[$2].ival & 255) == OVFLD)
+                       lval_field = TRUE;
+               }
        | '-' term %prec UMINUS
                { $$ = oper1(OUMINUS,$2); }
        | '+' term %prec UMINUS
@@ -251,6 +277,8 @@ variable: VAR
                { $$ = oper2(OVAR,aryrefarg($1),$3); }
        | FIELD
                { $$ = oper1(OFLD,$1); }
+       | SVFIELD
+               { $$ = oper1(OVFLD,oper1(OVAR,$1)); }
        | VFIELD term
                { $$ = oper1(OVFLD,$2); }
        ;