+++ /dev/null
-/*******************************************************************************
- * 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 net.sourceforge.phpeclipse.internal.compiler.ast;
-
-import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
-import net.sourceforge.phpdt.internal.compiler.flow.FlowContext;
-import net.sourceforge.phpdt.internal.compiler.flow.FlowInfo;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-
-public class BreakStatement extends BranchStatement {
-
- public BreakStatement(Expression expr, int sourceStart, int e) {
- super(expr, sourceStart, e);
- }
-
- public FlowInfo analyseCode(
- BlockScope currentScope,
- FlowContext flowContext,
- FlowInfo flowInfo) {
-
- // here requires to generate a sequence of finally blocks invocations depending corresponding
- // to each of the traversed try statements, so that execution will terminate properly.
-
- // lookup the label, this should answer the returnContext
-// FlowContext targetContext = (label == null)
-// ? flowContext.getTargetContextForDefaultBreak()
-// : flowContext.getTargetContextForBreakLabel(label);
-//
-// if (targetContext == null) {
-// if (label == null) {
-// currentScope.problemReporter().invalidBreak(this);
-// } else {
-// currentScope.problemReporter().undefinedLabel(this);
-// }
-// return flowInfo; // pretend it did not break since no actual target
-// }
-//
-// targetLabel = targetContext.breakLabel();
-// FlowContext traversedContext = flowContext;
-// int subIndex = 0, maxSub = 5;
-// subroutines = new ASTNode[maxSub];
-//
-// do {
-// ASTNode sub;
-// if ((sub = traversedContext.subRoutine()) != null) {
-// if (subIndex == maxSub) {
-// System.arraycopy(subroutines, 0, (subroutines = new ASTNode[maxSub*=2]), 0, subIndex); // grow
-// }
-// subroutines[subIndex++] = sub;
-// if (sub.cannotReturn()) {
-// break;
-// }
-// }
-// traversedContext.recordReturnFrom(flowInfo.unconditionalInits());
-//
-// ASTNode node;
-// if ((node = traversedContext.associatedNode) instanceof TryStatement) {
-// TryStatement tryStatement = (TryStatement) node;
-// flowInfo.addInitializationsFrom(tryStatement.subRoutineInits); // collect inits
-// } else if (traversedContext == targetContext) {
-// // only record break info once accumulated through subroutines, and only against target context
-// targetContext.recordBreakFrom(flowInfo);
-// break;
-// }
-// } while ((traversedContext = traversedContext.parent) != null);
-//
-// // resize subroutines
-// if (subIndex != maxSub) {
-// System.arraycopy(subroutines, 0, (subroutines = new ASTNode[subIndex]), 0, subIndex);
-// }
- return FlowInfo.DEAD_END;
- }
-
- public String toString(int tab) {
-
- String s = tabString(tab);
- s += "break "; //$NON-NLS-1$
- if (expression != null)
- s += expression.toString();
- return s;
- }
- public StringBuffer printStatement(int tab, StringBuffer output) {
-
- printIndent(tab, output).append("break "); //$NON-NLS-1$
- if (expression != null) output.append(expression);
- return output.append(';');
- }
- public void traverse(
- IAbstractSyntaxTreeVisitor visitor,
- BlockScope blockscope) {
-
- visitor.visit(this, blockscope);
- visitor.endVisit(this, blockscope);
- }
-}