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Diffstat (limited to 'org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/breakpoints/PDAWatchpoint.java')
| -rw-r--r-- | org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/breakpoints/PDAWatchpoint.java | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/breakpoints/PDAWatchpoint.java b/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/breakpoints/PDAWatchpoint.java deleted file mode 100644 index f013f8327..000000000 --- a/org.eclipse.debug.examples.core/src/org/eclipse/debug/examples/core/pda/breakpoints/PDAWatchpoint.java +++ /dev/null @@ -1,231 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2009 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 - * Bjorn Freeman-Benson - initial API and implementation - * Pawel Piech (Wind River) - ported PDA Virtual Machine to Java (Bug 261400) - *******************************************************************************/ -package org.eclipse.debug.examples.core.pda.breakpoints; - -import org.eclipse.core.resources.IMarker; -import org.eclipse.core.resources.IResource; -import org.eclipse.core.resources.IWorkspaceRunnable; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.debug.core.model.IBreakpoint; -import org.eclipse.debug.core.model.IWatchpoint; -import org.eclipse.debug.examples.core.pda.model.PDADebugTarget; -import org.eclipse.debug.examples.core.pda.protocol.PDAEvent; -import org.eclipse.debug.examples.core.pda.protocol.PDARunControlEvent; -import org.eclipse.debug.examples.core.pda.protocol.PDASuspendedEvent; -import org.eclipse.debug.examples.core.pda.protocol.PDAVMSuspendedEvent; -import org.eclipse.debug.examples.core.pda.protocol.PDAWatchCommand; - - -/** - * A watchpoint. - */ -public class PDAWatchpoint extends PDALineBreakpoint implements IWatchpoint { - - // 'read' or 'write' depending on what caused the last suspend for this watchpoint - private String fLastSuspendType; - - // marker attributes - public static final String ACCESS = "ACCESS"; - public static final String MODIFICATION = "MODIFICATION"; - public static final String FUNCTION_NAME = "FUNCTION_NAME"; - public static final String VAR_NAME = "VAR_NAME"; - - /** - * Default constructor is required for the breakpoint manager - * to re-create persisted breakpoints. After instantiating a breakpoint, - * the <code>setMarker(...)</code> method is called to restore - * this breakpoint's attributes. - */ - public PDAWatchpoint() { - } - /** - * Constructs a line breakpoint on the given resource at the given - * line number. The line number is 1-based (i.e. the first line of a - * file is line number 1). The PDA VM uses 0-based line numbers, - * so this line number translation is done at breakpoint install time. - * - * @param resource file on which to set the breakpoint - * @param lineNumber 1-based line number of the breakpoint - * @param functionName function name the variable is defined in - * @param varName variable name that watchpoint is set on - * @param access whether this is an access watchpoint - * @param modification whether this in a modification watchpoint - * @throws CoreException if unable to create the watchpoint - */ - public PDAWatchpoint(final IResource resource, final int lineNumber, final String functionName, final String varName, final boolean access, final boolean modification) throws CoreException { - IWorkspaceRunnable runnable = new IWorkspaceRunnable() { - public void run(IProgressMonitor monitor) throws CoreException { - IMarker marker = resource.createMarker("org.eclipse.debug.examples.core.pda.markerType.watchpoint"); - setMarker(marker); - setEnabled(true); - ensureMarker().setAttribute(IMarker.LINE_NUMBER, lineNumber); - ensureMarker().setAttribute(IBreakpoint.ID, getModelIdentifier()); - setAccess(access); - setModification(modification); - setVariable(functionName, varName); - marker.setAttribute(IMarker.MESSAGE, "Watchpoint: " + resource.getName() + " [line: " + lineNumber + "]"); - } - }; - run(getMarkerRule(resource), runnable); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#isAccess() - */ - public boolean isAccess() throws CoreException { - return getMarker().getAttribute(ACCESS, true); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#setAccess(boolean) - */ - public void setAccess(boolean access) throws CoreException { - setAttribute(ACCESS, access); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#isModification() - */ - public boolean isModification() throws CoreException { - return getMarker().getAttribute(MODIFICATION, true); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#setModification(boolean) - */ - public void setModification(boolean modification) throws CoreException { - setAttribute(MODIFICATION, modification); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#supportsAccess() - */ - public boolean supportsAccess() { - return true; - } - - /* (non-Javadoc) - * @see org.eclipse.debug.core.model.IWatchpoint#supportsModification() - */ - public boolean supportsModification() { - return true; - } - - /** - * Sets the variable and function names the watchpoint is set on. - * - * @param functionName function name - * @param variableName variable name - * @throws CoreException if an exception occurrs setting marker attribtues - */ - protected void setVariable(String functionName, String variableName) throws CoreException { - setAttribute(VAR_NAME, variableName); - setAttribute(FUNCTION_NAME, functionName); - } - - /** - * Returns the name of the variable this watchpoint is set on. - * - * @return the name of the variable this watchpoint is set on - * @throws CoreException if unable to access the attribute - */ - public String getVariableName() throws CoreException { - return getMarker().getAttribute(VAR_NAME, (String)null); - } - - /** - * Returns the name of the function the variable associted with this watchpoint is defined in. - * - * @return the name of the function the variable associted with this watchpoint is defined in - * @throws CoreException if unable to access the attribute - */ - public String getFunctionName() throws CoreException { - return getMarker().getAttribute(FUNCTION_NAME, (String)null); - } - - /** - * Sets the type of event that causes the last suspend event. - * - * @param description one of 'read' or 'write' - */ - public void setSuspendType(String description) { - fLastSuspendType = description; - } - - /** - * Returns the type of event that caused the last suspend. - * - * @return 'read', 'write', or <code>null</code> if undefined - */ - public String getSuspendType() { - return fLastSuspendType; - } - - /* (non-Javadoc) - * @see org.eclipse.debug.examples.core.pda.breakpoints.PDALineBreakpoint#createRequest(org.eclipse.debug.examples.core.pda.model.PDADebugTarget) - */ - protected void createRequest(PDADebugTarget target) throws CoreException { - int flag = 0; - if (isAccess()) { - flag = flag | 1; - } - if (isModification()) { - flag = flag | 2; - } - target.sendCommand(new PDAWatchCommand(getFunctionName(), getVariableName(), flag)); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.examples.core.pda.breakpoints.PDALineBreakpoint#clearRequest(org.eclipse.debug.examples.core.pda.model.PDADebugTarget) - */ - protected void clearRequest(PDADebugTarget target) throws CoreException { - target.sendCommand(new PDAWatchCommand(getFunctionName(), getVariableName(), 0)); - } - - /* (non-Javadoc) - * @see org.eclipse.debug.examples.core.pda.model.IPDAEventListener#handleEvent(java.lang.String) - */ - public void handleEvent(PDAEvent event) { - if (event instanceof PDASuspendedEvent || event instanceof PDAVMSuspendedEvent) { - PDARunControlEvent rcEvent = (PDARunControlEvent)event; - if (rcEvent.fReason.equals("watch")) { - handleHit(rcEvent); - } - } - } - - /** - * Determines if this breakpoint was hit and notifies the thread. - * - * @param event breakpoint event - */ - private void handleHit(PDARunControlEvent event) { - String[] strings = event.fMessage.split(" "); - if (strings.length == 4) { - String fv = strings[3]; - int j = fv.indexOf("::"); - if (j > 0) { - String fcn = fv.substring(0, j); - String var = fv.substring(j + 2); - try { - if (getVariableName().equals(var) && getFunctionName().equals(fcn)) { - setSuspendType(strings[2]); - notifyThread(event.fThreadId); - } - } catch (CoreException e) { - } - } - } - } -} |