Excuse my ignorance, but why does this breaks compatibility?

Sterling Hughes wrote:
 >  woops, discussion should be on internals@[...]..
 > 
 > 
 >  ---------- Forwarded message ----------
 >  From: Sterling Hughes <sterling.hughes@[...].com>
 >  Date: Fri, 16 Jul 2004 00:11:53 -0700
 >  Subject: Re: [ZEND-ENGINE-CVS] cvs: ZendEngine2 /
 >  zend_language_parser.y zend_language_scanner.l
 >  To: Marcus Boerger <helly@[...].net>
 >  Cc: zend-engine-cvs@[...].net
 > 
 >  this breaks bc - it should at least be discussed....
 > 
 >  -sterling
 > 
 > 
 > 
 >  On Fri, 16 Jul 2004 06:50:58 -0000, Marcus Boerger <helly@[...].net> wrote:
 > 
 > >helly           Fri Jul 16 02:50:58 2004 EDT
 > >
 > >  Modified files:
 > >    /ZendEngine2        zend_language_parser.y zend_language_scanner.l
 > >  Log:
 > >  - Speed up by making null/false/true reserved word which allows to drop
 > >    an opcode (FETCH_CONSTANT) for every usage.
 > >
 > >http://cvs.php.net/diff.php/ZendEngine2/zend_language_parser.y?r1=1.144&r2=1.145&ty=u
 > >Index: ZendEngine2/zend_language_parser.y
 > >diff -u ZendEngine2/zend_language_parser.y:1.144 
ZendEngine2/zend_language_parser.y:1.145
 > >--- ZendEngine2/zend_language_parser.y:1.144    Tue Apr 20 10:14:55 2004
 > >+++ ZendEngine2/zend_language_parser.y  Fri Jul 16 02:50:57 2004
 > >@@ -18,7 +18,7 @@
 > > 
+----------------------------------------------------------------------+
 > > */
 > >
 > >-/* $Id: zend_language_parser.y,v 1.144 2004/04/20 14:14:55 andi Exp $ */
 > >+/* $Id: zend_language_parser.y,v 1.145 2004/07/16 06:50:57 helly Exp 
$ */
 > >
 > > /*
 > >  * LALR shift/reduce conflicts and how they are resolved:
 > >@@ -142,6 +142,9 @@
 > > %token T_DOLLAR_OPEN_CURLY_BRACES
 > > %token T_CURLY_OPEN
 > > %token T_PAAMAYIM_NEKUDOTAYIM
 > >+%token T_NULL
 > >+%token T_FALSE
 > >+%token T_TRUE
 > >
 > > %% /* Rules */
 > >
 > >@@ -675,6 +678,9 @@
 > >        |       T_CLASS_C                                       { $$ 
= $1; }
 > >        |       T_METHOD_C                                      { $$ 
= $1; }
 > >        |       T_FUNC_C                                        { $$ 
= $1; }
 > >+       |       T_NULL                                          { $$ 
= $1; }
 > >+       |       T_FALSE                                         { $$ 
= $1; }
 > >+       |       T_TRUE                                          { $$ 
= $1; }
 > > ;
 > >
 > >http://cvs.php.net/diff.php/ZendEngine2/zend_language_scanner.l?r1=1.111&r2=1.112&ty=u
 > >Index: ZendEngine2/zend_language_scanner.l
 > >diff -u ZendEngine2/zend_language_scanner.l:1.111 
ZendEngine2/zend_language_scanner.l:1.112
 > >--- ZendEngine2/zend_language_scanner.l:1.111   Mon Jun 14 15:09:42 2004
 > >+++ ZendEngine2/zend_language_scanner.l Fri Jul 16 02:50:57 2004
 > >@@ -19,7 +19,7 @@
 > > 
+----------------------------------------------------------------------+
 > > */
 > >
 > >-/* $Id: zend_language_scanner.l,v 1.111 2004/06/14 19:09:42 helly 
Exp $ */
 > >+/* $Id: zend_language_scanner.l,v 1.112 2004/07/16 06:50:57 helly 
Exp $ */
 > >
 > > #define yyleng SCNG(yy_leng)
 > > #define yytext SCNG(yy_text)
 > >@@ -57,6 +57,7 @@
 > > #include "zend_constants.h"
 > > #include "zend_variables.h"
 > > #include "zend_operators.h"
 > >+#include "zend_API.h"
 > >
 > > #ifdef HAVE_STDARG_H
 > > # include <stdarg.h>
 > >@@ -1301,6 +1302,21 @@
 > >        zendlval->value.str.val = estrndup(filename, 
zendlval-> value.str.len);
 > >        zendlval->type = IS_STRING;
 > >        return T_FILE;
 > >+}
 > >+
 > >+<ST_IN_SCRIPTING>"NULL" {
 > >+       ZVAL_NULL(zendlval);
 > >+       return T_NULL;
 > >+}
 > >+
 > >+<ST_IN_SCRIPTING>"FALSE" {
 > >+       ZVAL_FALSE(zendlval);
 > >+       return T_FALSE;
 > >+}
 > >+
 > >+<ST_IN_SCRIPTING>"TRUE" {
 > >+       ZVAL_TRUE(zendlval);
 > >+       return T_TRUE;
 > > }
 > >
 > > <INITIAL>(([^<]|"<"[^?%s<]){1,400})|"<s"|"<" {
 > >
 > >--
 > >Zend Engine CVS Mailing List (http://cvs.php.net/)
 > >To unsubscribe, visit: http://www.php.net/unsub.php
 > >
 > >
 > 
 > 

-- 
Juan Alonso

This message represents the official view of the voices in my head

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