From: axelcl <axelcl>
Date: Mon, 29 Aug 2005 16:33:23 +0000 (+0000)
Subject: Added new syntax error "Assignment operator not allowed after identifier..."
X-Git-Url: http://git.phpeclipse.com

Added new syntax error "Assignment operator not allowed after identifier..."
---

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java
index 459987a..b7a1353 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/parser/Parser.java
@@ -2,7 +2,7 @@
  * Copyright (c) 2002 www.phpeclipse.de All rights reserved. This program and the accompanying material are made available under the
  * terms of the Common Public License v1.0 which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
- * 
+ *
  * Contributors: www.phpeclipse.de
  **********************************************************************************************************************************/
 package net.sourceforge.phpdt.internal.compiler.parser;
@@ -99,7 +99,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 
 	/**
 	 * ClassDeclaration Constructor.
-	 * 
+	 *
 	 * @param s
 	 * @param sess
 	 *          Description of Parameter
@@ -142,7 +142,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 	/**
 	 * This method will throw the SyntaxError. It will add the good lines and
 	 * columns to the Error
-	 * 
+	 *
 	 * @param error
 	 *          the error message
 	 * @throws SyntaxError
@@ -163,7 +163,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 	/**
 	 * This method will throw the SyntaxError. It will add the good lines and
 	 * columns to the Error
-	 * 
+	 *
 	 * @param error
 	 *          the error message
 	 * @throws SyntaxError
@@ -2502,6 +2502,20 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 			// | rw_variable T_INC
 			// | rw_variable T_DEC
 			case TokenNameIdentifier:
+				char[] ident = scanner.getCurrentTokenSource();
+				Expression lhsIdentifier = identifier(true, true);
+				if (lhsIdentifier != null) {
+					expression = lhsIdentifier;
+				}
+				if (token == TokenNameEQUAL || token == TokenNamePLUS_EQUAL
+						|| token == TokenNameMINUS_EQUAL || token == TokenNameMULTIPLY_EQUAL || token == TokenNameDIVIDE_EQUAL
+						|| token == TokenNameDOT_EQUAL || token == TokenNameREMAINDER_EQUAL || token == TokenNameAND_EQUAL
+						|| token == TokenNameOR_EQUAL || token == TokenNameXOR_EQUAL || token == TokenNameRIGHT_SHIFT_EQUAL
+						|| token == TokenNameLEFT_SHIFT_EQUAL) {
+					String error = "Assignment operator '"+scanner.toStringAction(token)+"' not allowed after identifier '"+new String(ident)+"' (use 'define(...)' to define constants).";
+					throwSyntaxError(error);
+				}
+				break;
 			case TokenNameVariable:
 			case TokenNameDOLLAR:
 				boolean rememberedVar = false;
@@ -3330,6 +3344,14 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 		}
 	}
 
+	private Expression identifier(boolean lefthandside, boolean ignoreVar) {
+		// variable:
+		// base_variable_with_function_calls T_OBJECT_OPERATOR
+		// object_property method_or_not variable_properties
+		// | base_variable_with_function_calls
+		return base_variable_with_function_calls(lefthandside, ignoreVar);
+	}
+
 	private void method_or_not() {
 		// method_or_not:
 		// '(' function_call_parameter_list ')'
@@ -3676,7 +3698,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 
 	/**
 	 * Parse and check the include file name
-	 * 
+	 *
 	 * @param includeToken
 	 */
 	private void checkFileName(int includeToken) {
@@ -3975,7 +3997,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 	// /* remember current scanner position */
 	// int startPos = scanner.startPosition;
 	// int currentPos = scanner.currentPosition;
-	//    
+	//
 	// this.checkAndReportBracketAnomalies(problemReporter());
 	// /* reset scanner where it was */
 	// scanner.startPosition = startPos;
@@ -4561,7 +4583,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 			"$_SESSION", "$_SERVER" };
 
 	/**
-	 * 
+	 *
 	 */
 	private void pushFunctionVariableSet() {
 		HashSet set = new HashSet();
@@ -4600,7 +4622,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 
 	/**
 	 * add the current identifier source to the <i>set of assigned variables </i>
-	 * 
+	 *
 	 * @param set
 	 */
 	private void addVariableSet(HashSet set) {
@@ -4611,7 +4633,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 
 	/**
 	 * add the current identifier source to the <i>set of assigned variables </i>
-	 * 
+	 *
 	 */
 	private void addVariableSet() {
 		HashSet set = peekVariableSet();
@@ -4622,7 +4644,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 
 	/**
 	 * add the current identifier source to the <i>set of assigned variables </i>
-	 * 
+	 *
 	 */
 	private void addVariableSet(char[] token) {
 		HashSet set = peekVariableSet();
@@ -4635,7 +4657,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers, ParserBasicI
 	 * check if the current identifier source is in the <i>set of assigned
 	 * variables </i> Returns true, if no set is defined for the current scanner
 	 * position
-	 * 
+	 *
 	 */
 	private boolean containsVariableSet() {
 		return containsVariableSet(scanner.getCurrentTokenSource());