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/*******************************************************************************
* Copyright (c) 2004, 2005 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.views.disassembly;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.cdt.debug.core.model.ICLineBreakpoint;
import org.eclipse.core.resources.IMarker;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.AnnotationModel;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.texteditor.MarkerAnnotation;
/**
* Annotation model for Disassembly view.
*/
public class DisassemblyAnnotationModel extends AnnotationModel {
private DisassemblyEditorInput fInput;
// private IDocument fDisassemblyDocument;
/**
* Constructor for DisassemblyAnnotationModel.
*/
public DisassemblyAnnotationModel() {
super();
}
protected void breakpointsAdded( final IBreakpoint[] breakpoints, final IDocument document ) {
DisassemblyEditorInput input = getInput();
if ( DisassemblyEditorInput.EMPTY_EDITOR_INPUT.equals( input ) ||
DisassemblyEditorInput.PENDING_EDITOR_INPUT.equals( input ) )
return;
asyncExec( new Runnable() {
public void run() {
breakpointsAdded0( breakpoints, document );
}
} );
}
protected void breakpointsRemoved( final IBreakpoint[] breakpoints, final IDocument document ) {
DisassemblyEditorInput input = getInput();
if ( DisassemblyEditorInput.EMPTY_EDITOR_INPUT.equals( input ) ||
DisassemblyEditorInput.PENDING_EDITOR_INPUT.equals( input ) )
return;
asyncExec( new Runnable() {
public void run() {
breakpointsRemoved0( breakpoints, document );
}
} );
}
protected void breakpointsChanged( final IBreakpoint[] breakpoints, final IDocument document ) {
DisassemblyEditorInput input = getInput();
if ( DisassemblyEditorInput.EMPTY_EDITOR_INPUT.equals( input ) ||
DisassemblyEditorInput.PENDING_EDITOR_INPUT.equals( input ) )
return;
asyncExec( new Runnable() {
public void run() {
breakpointsChanged0( breakpoints, document );
}
} );
}
protected void breakpointsAdded0( IBreakpoint[] breakpoints, IDocument document ) {
for ( int i = 0; i < breakpoints.length; ++i ) {
if ( breakpoints[i] instanceof ICLineBreakpoint && isApplicable( breakpoints[i] ) ) {
addBreakpointAnnotation( (ICLineBreakpoint)breakpoints[i], document );
}
}
fireModelChanged();
}
protected void breakpointsRemoved0( IBreakpoint[] breakpoints, IDocument document ) {
removeAnnotations( findAnnotationsforBreakpoints( breakpoints ), true, false );
}
protected void breakpointsChanged0( IBreakpoint[] breakpoints, IDocument document ) {
List annotations = findAnnotationsforBreakpoints( breakpoints );
List markers = new ArrayList( annotations.size() );
Iterator it = annotations.iterator();
while( it.hasNext() ) {
MarkerAnnotation ma = (MarkerAnnotation)it.next();
markers.add( ma.getMarker() );
modifyAnnotationPosition( ma, getPosition( ma ), false );
}
for ( int i = 0; i < breakpoints.length; ++i ) {
if ( breakpoints[i] instanceof ICLineBreakpoint && !markers.contains( breakpoints[i].getMarker() ) ) {
addBreakpointAnnotation( (ICLineBreakpoint)breakpoints[i], document );
}
}
fireModelChanged();
}
protected DisassemblyEditorInput getInput() {
return this.fInput;
}
protected void setInput( DisassemblyEditorInput input, IDocument document ) {
DisassemblyEditorInput oldInput = this.fInput;
this.fInput = input;
if ( this.fInput != null && !this.fInput.equals( oldInput ) )
updateAnnotations( document );
}
private boolean isApplicable( IBreakpoint breakpoint ) {
return true;
}
private void addBreakpointAnnotation( ICLineBreakpoint breakpoint, IDocument document ) {
Position position = createBreakpointPosition( breakpoint, document );
if ( position != null ) {
try {
addAnnotation( createMarkerAnnotation( breakpoint ), position, false );
}
catch( BadLocationException e ) {
}
}
}
private Position createBreakpointPosition( ICLineBreakpoint breakpoint, IDocument document ) {
Position position = null;
DisassemblyEditorInput input = getInput();
if ( input != null ) {
int start = -1;
if ( document != null ) {
int instrNumber = input.getInstructionLine( breakpoint );
if ( instrNumber > 0 ) {
try {
start = fDocument.getLineOffset( instrNumber - 1 );
if ( start > -1 ) {
// Avoid the document boundaries; see bugzilla 178485
int lineLen = document.getLineLength(instrNumber - 1);
if (start == 0) {
start++;
lineLen--;
}
if (start + lineLen == document.getLength()) {
lineLen--;
}
return new Position( start, lineLen );
}
}
catch( BadLocationException e ) {
}
}
}
}
return position;
}
private MarkerAnnotation createMarkerAnnotation( IBreakpoint breakpoint ) {
return new MarkerAnnotation( breakpoint.getMarker() );
}
protected void dispose() {
}
private List findAnnotationsforBreakpoints( IBreakpoint[] breakpoints ) {
List annotations = new LinkedList();
Iterator it = getAnnotationIterator();
while ( it.hasNext() ) {
Annotation ann = (Annotation)it.next();
if ( ann instanceof MarkerAnnotation ) {
IMarker marker = ((MarkerAnnotation)ann).getMarker();
if ( marker != null ) {
for ( int i = 0; i < breakpoints.length; ++i ) {
if ( marker.equals( breakpoints[i].getMarker() ) ) {
annotations.add( ann );
}
}
}
}
}
return annotations;
}
private void asyncExec( Runnable r ) {
Display display = Display.getDefault();
if ( display != null )
display.asyncExec( r );
}
private void updateAnnotations( final IDocument document ) {
asyncExec( new Runnable() {
public void run() {
doUpdateAnnotations( document );
}
} );
}
protected void doUpdateAnnotations( IDocument document ) {
breakpointsAdded0( DebugPlugin.getDefault().getBreakpointManager().getBreakpoints(), document );
}
}
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