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/*******************************************************************************
* Copyright (c) 2009 Ericsson 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:
* Ericsson - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.debug.internal.ui.actions;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.IDeclaration;
import org.eclipse.cdt.core.model.IFunction;
import org.eclipse.cdt.core.model.IFunctionDeclaration;
import org.eclipse.cdt.core.model.IMethod;
import org.eclipse.cdt.core.model.ISourceRange;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.debug.core.CDIDebugModel;
import org.eclipse.cdt.debug.core.model.ICBreakpointType;
import org.eclipse.cdt.debug.core.model.ICFunctionBreakpoint;
import org.eclipse.cdt.debug.core.model.ICLineBreakpoint;
import org.eclipse.cdt.debug.internal.ui.CDebugUIUtils;
import org.eclipse.cdt.debug.internal.ui.IInternalCDebugUIConstants;
import org.eclipse.cdt.debug.ui.CDebugUIPlugin;
import org.eclipse.cdt.internal.ui.util.ExternalEditorInput;
import org.eclipse.cdt.ui.CDTUITools;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.ui.actions.IToggleBreakpointsTarget;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.editors.text.ILocationProvider;
import org.eclipse.ui.texteditor.ITextEditor;
/**
* Toggles a tracepoint in a C/C++ editor.
*/
public class ToggleTracepointAdapter implements IToggleBreakpointsTarget {
/**
* Toggle a line tracepoint
*/
public void toggleLineBreakpoints( IWorkbenchPart part, ISelection selection ) throws CoreException {
String errorMessage = null;
if ( part instanceof ITextEditor ) {
ITextEditor textEditor = (ITextEditor)part;
IEditorInput input = textEditor.getEditorInput();
if ( input == null ) {
errorMessage = ActionMessages.getString( "ToggleBreakpointAdapter.Empty_editor_1" ); //$NON-NLS-1$
}
else {
IDocument document = textEditor.getDocumentProvider().getDocument( input );
if ( document == null ) {
errorMessage = ActionMessages.getString( "ToggleBreakpointAdapter.Missing_document_1" ); //$NON-NLS-1$
}
else {
IResource resource = getResource( textEditor );
if ( resource == null ) {
errorMessage = ActionMessages.getString( "ToggleBreakpointAdapter.Missing_resource_1" ); //$NON-NLS-1$
}
else {
BreakpointLocationVerifier bv = new BreakpointLocationVerifier();
int lineNumber = bv.getValidLineBreakpointLocation( document, ((ITextSelection)selection).getStartLine() );
if ( lineNumber == -1 ) {
errorMessage = ActionMessages.getString( "ToggleBreakpointAdapter.Invalid_line_1" ); //$NON-NLS-1$
}
else {
String sourceHandle = getSourceHandle( input );
// the method lineBreakpointExists also works for tracepoints
ICLineBreakpoint breakpoint = CDIDebugModel.lineBreakpointExists( sourceHandle, resource, lineNumber );
if ( breakpoint != null ) {
DebugPlugin.getDefault().getBreakpointManager().removeBreakpoint( breakpoint, true );
}
else {
CDIDebugModel.createLineTracepoint( sourceHandle,
resource,
ICBreakpointType.REGULAR,
lineNumber,
true,
0,
"", //$NON-NLS-1$
true );
}
return;
}
}
}
}
}
else {
errorMessage = ActionMessages.getString( "RunToLineAdapter.Operation_is_not_supported_1" ); //$NON-NLS-1$
}
throw new CoreException( new Status( IStatus.ERROR, CDebugUIPlugin.getUniqueIdentifier(), IInternalCDebugUIConstants.INTERNAL_ERROR, errorMessage, null ) );
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleLineBreakpoints(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
public boolean canToggleLineBreakpoints( IWorkbenchPart part, ISelection selection ) {
return ( selection instanceof ITextSelection );
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#toggleMethodBreakpoints(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
public void toggleMethodBreakpoints( IWorkbenchPart part, ISelection selection ) throws CoreException {
ICElement element = getCElementFromSelection( part, selection );
if ( element instanceof IFunction || element instanceof IMethod ) {
toggleMethodBreakpoints0( (IDeclaration)element );
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleMethodBreakpoints(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
public boolean canToggleMethodBreakpoints( IWorkbenchPart part, ISelection selection ) {
ICElement element = getCElementFromSelection( part, selection );
return ( element instanceof IFunction || element instanceof IMethod );
}
protected ICElement getCElementFromSelection( IWorkbenchPart part, ISelection selection ) {
if ( selection instanceof ITextSelection ) {
ITextSelection textSelection = (ITextSelection)selection;
String text = textSelection.getText();
if ( text != null ) {
if (part instanceof ITextEditor) {
ICElement editorElement = CDTUITools.getEditorInputCElement(((ITextEditor) part).getEditorInput());
if (editorElement instanceof ITranslationUnit) {
ITranslationUnit tu = (ITranslationUnit) editorElement;
try {
if (tu.isStructureKnown() && tu.isConsistent()) {
return tu.getElementAtOffset( textSelection.getOffset() );
}
} catch (CModelException exc) {
// ignored on purpose
}
}
} else {
IResource resource = getResource( part );
if ( resource instanceof IFile ) {
ITranslationUnit tu = getTranslationUnit( (IFile)resource );
if ( tu != null ) {
try {
ICElement element = tu.getElement( text.trim() );
if ( element == null ) {
element = tu.getElementAtLine( textSelection.getStartLine() );
}
return element;
}
catch( CModelException e ) {
}
}
}
}
}
}
else if ( selection instanceof IStructuredSelection ) {
IStructuredSelection ss = (IStructuredSelection)selection;
if ( ss.size() == 1 ) {
Object object = ss.getFirstElement();
if ( object instanceof ICElement ) {
return (ICElement)object;
}
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#toggleWatchpoints(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
public void toggleWatchpoints( IWorkbenchPart part, ISelection selection ) throws CoreException {
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.actions.IToggleBreakpointsTarget#canToggleWatchpoints(org.eclipse.ui.IWorkbenchPart, org.eclipse.jface.viewers.ISelection)
*/
public boolean canToggleWatchpoints( IWorkbenchPart part, ISelection selection ) {
return false;
}
protected static IResource getResource( IWorkbenchPart part ) {
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
if ( part instanceof IEditorPart ) {
IEditorInput editorInput = ((IEditorPart)part).getEditorInput();
IResource resource = null;
if ( editorInput instanceof IFileEditorInput ) {
resource = ((IFileEditorInput)editorInput).getFile();
} else if (editorInput instanceof ExternalEditorInput) {
resource = ((ExternalEditorInput)editorInput).getMarkerResource();
}
if (resource != null)
return resource;
/* This file is not in a project, let default case handle it */
ILocationProvider provider = (ILocationProvider)editorInput.getAdapter( ILocationProvider.class );
if ( provider != null ) {
IPath location = provider.getPath( editorInput );
if ( location != null ) {
IFile[] files = root.findFilesForLocation( location );
if ( files.length > 0 )
return files[0];
}
}
}
return root;
}
private String getSourceHandle( IEditorInput input ) throws CoreException {
return CDebugUIUtils.getEditorFilePath(input);
}
private String getSourceHandle( IDeclaration declaration ) {
ITranslationUnit tu = declaration.getTranslationUnit();
if ( tu != null ) {
IPath location = tu.getLocation();
if (location != null) {
return location.toOSString();
}
}
return ""; //$NON-NLS-1$
}
private IResource getElementResource( IDeclaration declaration ) {
return declaration.getUnderlyingResource();
}
private String getFunctionName( IFunction function ) {
String functionName = function.getElementName();
StringBuffer name = new StringBuffer( functionName );
ITranslationUnit tu = function.getTranslationUnit();
if ( tu != null && tu.isCXXLanguage() ) {
appendParameters( name, function );
}
return name.toString();
}
private String getMethodName( IMethod method ) {
StringBuffer name = new StringBuffer();
String methodName = method.getElementName();
ICElement parent = method.getParent();
while ( parent != null && ( parent.getElementType() == ICElement.C_NAMESPACE || parent.getElementType() == ICElement.C_CLASS
|| parent.getElementType() == ICElement.C_STRUCT || parent.getElementType() == ICElement.C_UNION ) ) {
name.append( parent.getElementName() ).append( "::" ); //$NON-NLS-1$
parent = parent.getParent();
}
name.append( methodName );
appendParameters( name, method );
return name.toString();
}
private void appendParameters( StringBuffer sb, IFunctionDeclaration fd ) {
String[] params = fd.getParameterTypes();
sb.append( '(' );
for( int i = 0; i < params.length; ++i ) {
sb.append( params[i] );
if ( i != params.length - 1 )
sb.append( ',' );
}
sb.append( ')' );
}
private ITranslationUnit getTranslationUnit( IFile file ) {
Object element = CoreModel.getDefault().create( file );
if ( element instanceof ITranslationUnit ) {
return (ITranslationUnit)element;
}
return null;
}
private void toggleMethodBreakpoints0( IDeclaration declaration ) throws CoreException {
String sourceHandle = getSourceHandle( declaration );
IResource resource = getElementResource( declaration );
String functionName = ( declaration instanceof IFunction ) ? getFunctionName( (IFunction)declaration ) : getMethodName( (IMethod)declaration );
// The method functionBreakpointExists also works for tracepoints
ICFunctionBreakpoint breakpoint = CDIDebugModel.functionBreakpointExists( sourceHandle, resource, functionName );
if ( breakpoint != null ) {
DebugPlugin.getDefault().getBreakpointManager().removeBreakpoint( breakpoint, true );
}
else {
int lineNumber = -1;
int charStart = -1;
int charEnd = -1;
try {
ISourceRange sourceRange = declaration.getSourceRange();
if ( sourceRange != null ) {
charStart = sourceRange.getStartPos();
charEnd = charStart + sourceRange.getLength();
if ( charEnd <= 0 ) {
charStart = -1;
charEnd = -1;
}
lineNumber = sourceRange.getStartLine();
}
}
catch( CModelException e ) {
DebugPlugin.log( e );
}
CDIDebugModel.createFunctionTracepoint( sourceHandle,
resource,
ICBreakpointType.REGULAR,
functionName,
charStart,
charEnd,
lineNumber,
true,
0,
"", //$NON-NLS-1$
true );
}
}
}
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