removed Makefile; lifted repo/org.ibex.tool/src/ to src/
[org.ibex.tool.git] / src / org / eclipse / jdt / internal / compiler / parser / RecoveredLocalVariable.java
diff --git a/src/org/eclipse/jdt/internal/compiler/parser/RecoveredLocalVariable.java b/src/org/eclipse/jdt/internal/compiler/parser/RecoveredLocalVariable.java
new file mode 100644 (file)
index 0000000..27b2fb2
--- /dev/null
@@ -0,0 +1,108 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.internal.compiler.parser;
+
+/**
+ * Internal local variable structure for parsing recovery 
+ */
+import org.eclipse.jdt.internal.compiler.ast.ArrayTypeReference;
+import org.eclipse.jdt.internal.compiler.ast.ASTNode;
+import org.eclipse.jdt.internal.compiler.ast.Expression;
+import org.eclipse.jdt.internal.compiler.ast.LocalDeclaration;
+import org.eclipse.jdt.internal.compiler.ast.Statement;
+
+public class RecoveredLocalVariable extends RecoveredStatement {
+
+       public LocalDeclaration localDeclaration;
+       boolean alreadyCompletedLocalInitialization;
+public RecoveredLocalVariable(LocalDeclaration localDeclaration, RecoveredElement parent, int bracketBalance){
+       super(localDeclaration, parent, bracketBalance);
+       this.localDeclaration = localDeclaration;
+       this.alreadyCompletedLocalInitialization = localDeclaration.initialization != null;
+}
+/*
+ * Record an expression statement if local variable is expecting an initialization expression. 
+ */
+public RecoveredElement add(Statement stmt, int bracketBalanceValue) {
+
+       if (this.alreadyCompletedLocalInitialization || !(stmt instanceof Expression)) {
+               return super.add(stmt, bracketBalanceValue);
+       } else {
+               this.alreadyCompletedLocalInitialization = true;
+               this.localDeclaration.initialization = (Expression)stmt;
+               this.localDeclaration.declarationSourceEnd = stmt.sourceEnd;
+               this.localDeclaration.declarationEnd = stmt.sourceEnd;
+               return this;
+       }
+}
+/* 
+ * Answer the associated parsed structure
+ */
+public ASTNode parseTree(){
+       return localDeclaration;
+}
+/*
+ * Answer the very source end of the corresponding parse node
+ */
+public int sourceEnd(){
+       return this.localDeclaration.declarationSourceEnd;
+}
+public String toString(int tab) {
+       return tabString(tab) + "Recovered local variable:\n" + localDeclaration.print(tab + 1, new StringBuffer(10)); //$NON-NLS-1$
+}
+public Statement updatedStatement(){
+       return localDeclaration;
+}
+/*
+ * A closing brace got consumed, might have closed the current element,
+ * in which case both the currentElement is exited.
+ *
+ * Fields have no associated braces, thus if matches, then update parent.
+ */
+public RecoveredElement updateOnClosingBrace(int braceStart, int braceEnd){
+       if (bracketBalance > 0){ // was an array initializer
+               bracketBalance--;
+               if (bracketBalance == 0) alreadyCompletedLocalInitialization = true;
+               return this;
+       }
+       if (parent != null){
+               return parent.updateOnClosingBrace(braceStart, braceEnd);
+       }
+       return this;
+}
+/*
+ * An opening brace got consumed, might be the expected opening one of the current element,
+ * in which case the bodyStart is updated.
+ */
+public RecoveredElement updateOnOpeningBrace(int braceStart, int braceEnd){
+       if (localDeclaration.declarationSourceEnd == 0 
+               && localDeclaration.type instanceof ArrayTypeReference
+               && !alreadyCompletedLocalInitialization){
+               bracketBalance++;
+               return null; // no update is necessary  (array initializer)
+       }
+       // might be an array initializer
+       this.updateSourceEndIfNecessary(braceStart - 1, braceEnd - 1);  
+       return this.parent.updateOnOpeningBrace(braceStart, braceEnd);  
+}
+public void updateParseTree(){
+       this.updatedStatement();
+}
+/*
+ * Update the declarationSourceEnd of the corresponding parse node
+ */
+public void updateSourceEndIfNecessary(int bodyStart, int bodyEnd){
+       if (this.localDeclaration.declarationSourceEnd == 0) {
+               this.localDeclaration.declarationSourceEnd = bodyEnd;
+               this.localDeclaration.declarationEnd = bodyEnd; 
+       }
+}
+}