| /******************************************************************************* |
| * Copyright (c) 2010, 2011 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.jsdt.debug.internal.rhino.breakpoints; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.URIUtil; |
| import org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpoint; |
| import org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpointParticipant; |
| import org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptLineBreakpoint; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.BooleanValue; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.ScriptReference; |
| import org.eclipse.wst.jsdt.debug.core.jsdi.Value; |
| import org.eclipse.wst.jsdt.debug.core.model.IJavaScriptPrimitiveValue; |
| import org.eclipse.wst.jsdt.debug.core.model.IJavaScriptThread; |
| import org.eclipse.wst.jsdt.debug.core.model.IJavaScriptValue; |
| import org.eclipse.wst.jsdt.debug.internal.rhino.Constants; |
| import org.eclipse.wst.jsdt.debug.internal.rhino.RhinoPreferencesManager; |
| |
| /** |
| * Participant for Rhino |
| * |
| * @since 1.0 |
| */ |
| public class RhinoBreakpointParticipant implements IJavaScriptBreakpointParticipant { |
| |
| /** |
| * Constructor |
| */ |
| public RhinoBreakpointParticipant() { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpointParticipant#breakpointHit(org.eclipse.wst.jsdt.debug.core.model.IJavaScriptThread, org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpoint) |
| */ |
| public int breakpointHit(IJavaScriptThread thread, IJavaScriptBreakpoint breakpoint) { |
| try { |
| if(breakpoint instanceof IJavaScriptLineBreakpoint) { |
| IJavaScriptLineBreakpoint lbp = (IJavaScriptLineBreakpoint) breakpoint; |
| String condition = lbp.getCondition(); |
| if (condition != null) { |
| // evaluate it |
| if (thread.getFrameCount() < 1) { |
| return DONT_SUSPEND; |
| } |
| IJavaScriptValue value = thread.evaluate(condition); |
| if (lbp.isConditionSuspendOnTrue()) { |
| if(suspendForValue(value)) { |
| return SUSPEND; |
| } |
| } |
| if(!suspendForValue(value)) { |
| return SUSPEND; |
| } |
| } |
| return SUSPEND; |
| } |
| } |
| catch (CoreException ce) { |
| //ignore, just don't suspend |
| } |
| return DONT_SUSPEND; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpointParticipant#scriptLoaded(org.eclipse.wst.jsdt.debug.core.model.IJavaScriptThread, org.eclipse.wst.jsdt.debug.core.jsdi.ScriptReference, org.eclipse.wst.jsdt.debug.core.breakpoints.IJavaScriptBreakpoint) |
| */ |
| public int scriptLoaded(IJavaScriptThread thread, ScriptReference script, IJavaScriptBreakpoint breakpoint) { |
| String seg = URIUtil.lastSegment(script.sourceURI()); |
| if(seg != null && seg.equals(Constants.STD_IN) && !RhinoPreferencesManager.suspendOnStdinLoad()) { |
| return DONT_SUSPEND; |
| } |
| return SUSPEND; |
| } |
| |
| /** |
| * If the thread should suspend based on the given {@link Value}. Currently only suspend when the value is non-null and a {@link BooleanValue} that has the value <code>true</code> |
| * |
| * @param value |
| * @return if we should suspend |
| */ |
| private boolean suspendForValue(IJavaScriptValue value) { |
| if(value instanceof IJavaScriptPrimitiveValue) { |
| return ((IJavaScriptPrimitiveValue)value).booleanValue(); |
| } |
| return false; |
| } |
| } |