compiler/org/eclipse/jdt/internal/compiler/ast/BranchStatement.java

package org.eclipse.jdt.internal.compiler.ast;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */
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);
					return;
				} else {
					codeStream.jsr(trySub.subRoutineStartLabel);
				}
			}
		}
	}
	codeStream.goto_(targetLabel);
	codeStream.recordPositionsFrom(pc, this);
}
}