| /******************************************************************************* |
| * Copyright (c) 2000, 2003 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.ast; |
| |
| import org.eclipse.jdt.internal.compiler.codegen.*; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| |
| public abstract class BranchStatement extends Statement { |
| public char[] label; |
| public Label targetLabel; |
| public AstNode[] subroutines; |
| /** |
| * BranchStatement constructor comment. |
| */ |
| public BranchStatement(char[] l, int s,int e) { |
| label = l ; |
| sourceStart = s; |
| sourceEnd = e; |
| } |
| /** |
| * Branch code generation |
| * |
| * generate the finallyInvocationSequence. |
| */ |
| public void generateCode(BlockScope currentScope, CodeStream codeStream) { |
| |
| if ((bits & IsReachableMASK) == 0) { |
| return; |
| } |
| int pc = codeStream.position; |
| |
| // generation of code responsible for invoking the finally |
| // blocks in sequence |
| if (subroutines != null){ |
| for (int i = 0, max = subroutines.length; i < max; i++){ |
| AstNode sub; |
| if ((sub = subroutines[i]) instanceof SynchronizedStatement){ |
| codeStream.load(((SynchronizedStatement)sub).synchroVariable); |
| codeStream.monitorexit(); |
| } else { |
| TryStatement trySub = (TryStatement) sub; |
| if (trySub.subRoutineCannotReturn) { |
| codeStream.goto_(trySub.subRoutineStartLabel); |
| codeStream.recordPositionsFrom(pc, this.sourceStart); |
| return; |
| } else { |
| codeStream.jsr(trySub.subRoutineStartLabel); |
| } |
| } |
| } |
| } |
| codeStream.goto_(targetLabel); |
| codeStream.recordPositionsFrom(pc, this.sourceStart); |
| } |
| public void resetStateForCodeGeneration() { |
| if (this.targetLabel != null) { |
| this.targetLabel.resetStateForCodeGeneration(); |
| } |
| } |
| |
| public void resolve(BlockScope scope) { |
| } |
| |
| } |