From 86d46f7cc10adbdef89968cde921bb6e975feeb7 Mon Sep 17 00:00:00 2001
From: Marcus Boerger <helly@php.net>
Date: Fri, 16 Jul 2004 06:50:57 +0000
Subject: [PATCH] - Speed up by making null/false/true reserved word which
 allows to drop   an opcode (FETCH_CONSTANT) for every usage.

---
 Zend/zend_language_parser.y  |  6 ++++++
 Zend/zend_language_scanner.l | 16 ++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/Zend/zend_language_parser.y b/Zend/zend_language_parser.y
index 6d85f8be7a..257849fd26 100644
--- a/Zend/zend_language_parser.y
+++ b/Zend/zend_language_parser.y
@@ -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 @@ common_scalar:
 	|	T_CLASS_C					{ $$ = $1; }
 	|	T_METHOD_C					{ $$ = $1; }
 	|	T_FUNC_C					{ $$ = $1; }
+	|	T_NULL						{ $$ = $1; }
+	|	T_FALSE						{ $$ = $1; }
+	|	T_TRUE						{ $$ = $1; }
 ;
 
 
diff --git a/Zend/zend_language_scanner.l b/Zend/zend_language_scanner.l
index e6efbcc827..00deccd731 100644
--- a/Zend/zend_language_scanner.l
+++ b/Zend/zend_language_scanner.l
@@ -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>
@@ -1303,6 +1304,21 @@ NEWLINE ("\r"|"\n"|"\r\n")
 	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"|"<" {
 #ifdef ZEND_MULTIBYTE
 	if (SCNG(output_filter)) {
-- 
2.40.0