From: robekras <robert.kraske@weihenstephan.org>
Date: Sat, 8 Dec 2012 11:05:14 +0000 (+0100)
Subject: 1) Fixed the parser problem with the '::' (Paamayim Nekudotayim).
X-Git-Url: http://git.phpeclipse.com

1) Fixed the parser problem with the '::' (Paamayim Nekudotayim).

Signed-off-by: robekras <robert.kraske@weihenstephan.org>
---

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 70a2d12..98c996d 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
@@ -862,16 +862,35 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 			case RETURN:
 				expression = null;
 				getNextToken();
+/*
+				if (token == TokenName.VARIABLE) {
+					getNextToken ();
+
+					if (token == TokenName.PAAMAYIM_NEKUDOTAYIM) {
+						getNextToken ();
+
+						if (token != TokenName.IDENTIFIER) {
+							throwSyntaxError("identifier expected after '::'.");
+						}
+						else {
+							getNextToken ();
+						}
+					}
+				}
+*/
 				if (token != TokenName.SEMICOLON) {
 					expression = expr();
 				}
+
 				if (token == TokenName.SEMICOLON) {
 					sourceEnd = scanner.getCurrentTokenEndPosition();
 					getNextToken();
-				} else {
+				}
+				else {
 					if (token != TokenName.INLINE_HTML) {
 						throwSyntaxError("';' expected after 'return'.");
 					}
+
 					sourceEnd = scanner.getCurrentTokenEndPosition();
 					getNextToken();
 				}
@@ -1100,16 +1119,12 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 			case CLASS:
 			case INTERFACE:
 				try {
-					TypeDeclaration typeDecl = new TypeDeclaration(
-							this.compilationUnit.compilationResult);
-					typeDecl.declarationSourceStart = scanner
-							.getCurrentTokenStartPosition();
-					typeDecl.declarationSourceEnd = scanner
-							.getCurrentTokenEndPosition();
+					TypeDeclaration typeDecl = new TypeDeclaration (this.compilationUnit.compilationResult);
+					typeDecl.declarationSourceStart = scanner.getCurrentTokenStartPosition();
+					typeDecl.declarationSourceEnd = scanner.getCurrentTokenEndPosition();
 					typeDecl.name = new char[] { ' ' };
 					// default super class
-					typeDecl.superclass = new SingleTypeReference(
-							TypeConstants.OBJECT, 0);
+					typeDecl.superclass = new SingleTypeReference(TypeConstants.OBJECT, 0);
 					compilationUnit.types.add(typeDecl);
 					pushOnAstStack(typeDecl);
 					unticked_class_declaration_statement(typeDecl);
@@ -1119,6 +1134,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 					astLengthPtr--;
 				}
 				return statement;
+
 			case LBRACE:
 				getNextToken();
 				if (token != TokenName.RBRACE) {
@@ -1147,12 +1163,22 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 				}
 				else {
 					if (token == TokenName.RBRACE) {
-						reportSyntaxError("';' expected after expression (Found token: "
+						reportSyntaxError ("';' expected after expression (Found token: "
 								+ scanner.toStringAction(token) + ")");
 					}
 					else {
-						if (token != TokenName.INLINE_HTML && token != TokenName.EOF) {
-							throwSyntaxError("';' expected after expression (Found token: "
+						if (token == TokenName.PAAMAYIM_NEKUDOTAYIM) {
+							getNextToken ();
+
+							if (token != TokenName.IDENTIFIER) {
+								throwSyntaxError("identifier expected after '::'.");
+							}
+							else {
+								getNextToken ();
+							}
+						}
+						else if (token != TokenName.INLINE_HTML && token != TokenName.EOF) {
+							throwSyntaxError ("';' expected after expression (Found token: "
 									+ scanner.toStringAction(token) + ")");
 						}
 						getNextToken();
@@ -1917,16 +1943,16 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 		if (token == TokenName.OP_AND) {
 			getNextToken();
 		}
-		
+
 		methodDecl.sourceStart = scanner.getCurrentTokenStartPosition();
 		methodDecl.sourceEnd = scanner.getCurrentTokenEndPosition();
-		
+
 		if (Scanner.isIdentifierOrKeyword (token) ||
 		    token == TokenName.LPAREN) {
-		    
+
 		    if (token == TokenName.LPAREN) {
 		        methodDecl.selector = scanner.getCurrentIdentifierSource();
-	            
+
                 if (token.compareTo (TokenName.KEYWORD) > 0) {
                     problemReporter.phpKeywordWarning (new String[] {scanner.toStringAction(token) },
                                                        scanner.getCurrentTokenStartPosition(),
@@ -1937,7 +1963,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 		    }
 		    else {
 		        methodDecl.selector = scanner.getCurrentIdentifierSource();
-			
+
 		        if (token.compareTo (TokenName.KEYWORD) > 0) {
 		            problemReporter.phpKeywordWarning (new String[] {scanner.toStringAction(token) },
 						                               scanner.getCurrentTokenStartPosition(),
@@ -1945,10 +1971,10 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 						                               referenceContext,
 						                               compilationUnit.compilationResult);
 		        }
-		        
+
 		        getNextToken();
 		    }
-		    
+
 			if (token == TokenName.LPAREN) {
 				getNextToken();
 			}
@@ -1956,15 +1982,15 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 				methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
 				throwSyntaxError("'(' expected in function declaration.");
 			}
-			
+
 			if (token != TokenName.RPAREN) {
 				parameter_list(methodDecl);
 			}
-			
+
 			if (token != TokenName.RPAREN) {
 				methodDecl.sourceEnd = scanner.getCurrentTokenStartPosition() - 1;
 				throwSyntaxError("')' expected in function declaration.");
-			} 
+			}
 			else {
 				methodDecl.bodyStart = scanner.getCurrentTokenEndPosition() + 1;
 				getNextToken();
@@ -2545,7 +2571,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 	 * @param only_variable
 	 * @param initHandler
 	 */
-	private Expression expr_without_variable (boolean only_variable, 
+	private Expression expr_without_variable (boolean only_variable,
 	                                          UninitializedVariableHandler initHandler,
 	                                          boolean bColonAllowed) {
 		int exprSourceStart    = scanner.getCurrentTokenStartPosition();
@@ -2895,11 +2921,13 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 
 					if (token == TokenName.IDENTIFIER) {
 						lhs = identifier(true, true, bColonAllowed);
+
 						if (lhs != null) {
 							expression = lhs;
 						}
-					} else {
-						lhs = variable(true, true);
+					}
+					else {
+						lhs = variable (true, true);
 
 						if (lhs != null) {
 							expression = lhs;
@@ -2991,7 +3019,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 								}
 							} else {
 								Expression rhs = expr_without_variable (only_variable, initHandler, bColonAllowed);
-								
+
 								if (lhs != null && lhs instanceof FieldReference) {
 									if (rhs != null && rhs instanceof FieldReference) {
 										// example:
@@ -3235,7 +3263,7 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 					case INSTANCEOF:
 						getNextToken();
 						TypeReference classRef = class_name_reference();
-						
+
 						if (classRef != null) {
 							expression = new InstanceOfExpression (expression, classRef, OperatorIds.INSTANCEOF);
 							expression.sourceStart = exprSourceStart;
@@ -3875,6 +3903,14 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 			method_or_not();
 			variable_properties();
 		}
+		else if (token == TokenName.PAAMAYIM_NEKUDOTAYIM) {
+			ref = null;
+			getNextToken();
+			object_property();
+			method_or_not();
+			variable_properties();
+		}
+		
 		return ref;
 	}
 
@@ -4080,9 +4116,9 @@ public class Parser implements ITerminalSymbols, CompilerModifiers,
 			method_or_not();
 			variable_properties();
 		}
-		
+
 		// A colon is only allowed here if it is an expression read after a '?'
-		
+
 		if ((token == TokenName.COLON) &&
 		    (!bColonAllowed)) {
 		    throwSyntaxError ("No ':' allowed");