public void focusOnLines(ILocation range) {
if (range instanceof ILineLocation) {
ILineLocation lineLocation = (ILineLocation) range;
// editors count lines from 0, Crucible counts from 1
final int startLine = lineLocation.getRangeMin() - 1;
final int endLine = lineLocation.getRangeMax() - 1;
if (sourceViewer != null) {
IDocument document = sourceViewer.getDocument();
if (document != null) {
try {
int offset = document.getLineOffset(startLine);
int length = document.getLineOffset(endLine) - offset;
StyledText widget = sourceViewer.getTextWidget();
try {
widget.setRedraw(false);
// sourceViewer.revealRange(offset, length);
// sourceViewer.setSelectedRange(offset, 0);
sourceViewer.setSelection(new TextSelection(offset, length), true);
} finally {
widget.setRedraw(true);
}
} catch (BadLocationException e) {
StatusHandler.log(
new Status(IStatus.ERROR, ReviewsUiPlugin.PLUGIN_ID, e.getMessage(), e));
}
}
}
}
}
/**
* This is kinda hackish, because the last character in a block is not included in the AST, so we
* do not really know where a multi-line statement ends
*/
private Position computePosition(AstNode node, IDocument doc) {
try {
int start = doc.getLineOffset(node.getLine() - 1) + node.getOffset();
int end;
if (node.getLine() == node.getEndLine()) end = node.getText().length();
else end = doc.getLineOffset(node.getEndLine() + 1) - start;
return new Position(start, end);
} catch (BadLocationException e) {
e.printStackTrace();
return null;
}
}
/**
* Returns the index of the first line whose start offset is in the given text range.
*
* @param region the text range in characters where to find the line
* @param document The document
* @return the first line whose start index is in the given range, -1 if there is no such line
*/
private int getFirstCompleteLineOfRegion(IRegion region, IDocument document) {
try {
int startLine = document.getLineOfOffset(region.getOffset());
int offset = document.getLineOffset(startLine);
if (offset >= region.getOffset()) return startLine;
offset = document.getLineOffset(startLine + 1);
return (offset > region.getOffset() + region.getLength() ? -1 : startLine + 1);
} catch (BadLocationException x) {
// should not happen
}
return -1;
}
/**
* Extend the selection that the action will work on. Default implementation, extend to whole
* lines. Might be overridden.
*
* @param document text {@link IDocument}
* @param selection original selection
* @return new {@link ITextSelection} extended to the whole lines intersected by selection
*/
public static ITextSelection extendSelectionToWholeLines(
final IDocument document, final ITextSelection selection) {
final int startLine = selection.getStartLine();
final int endLine = selection.getEndLine();
int startLineOffset;
try {
startLineOffset = document.getLineOffset(startLine);
final int endTextOffset = document.getLineOffset(endLine) + document.getLineLength(endLine);
return new TextSelection(document, startLineOffset, endTextOffset - startLineOffset);
} catch (final BadLocationException e) {
e.printStackTrace();
}
return selection;
}
protected int getValidPosition(IDocument idoc, int lineNumber) {
if (!(getSourceEditingTextTools() instanceof IDOMSourceEditingTextTools)) {
return NO_VALID_CONTENT;
}
if (idoc == null) return NO_VALID_CONTENT;
int startOffset, endOffset;
try {
startOffset = idoc.getLineOffset(lineNumber - 1);
endOffset = idoc.getLineOffset(lineNumber) - 1;
if (idoc == null) return NO_VALID_CONTENT;
String lineText = idoc.get(startOffset, endOffset - startOffset).trim();
// blank lines or lines with only an open or close brace or
// scriptlet tag cannot have a breakpoint
if (lineText.equals("")
|| lineText.equals("{")
|| //$NON-NLS-2$//$NON-NLS-1$
lineText.equals("}")
|| lineText.equals("<%")) // $NON-NLS-2$//$NON-NLS-1$
return NO_VALID_CONTENT;
} catch (BadLocationException e) {
return NO_VALID_CONTENT;
}
IStructuredDocumentRegion flatNode =
((IStructuredDocument) idoc).getRegionAtCharacterOffset(startOffset);
// go through the node's regions looking for JSP content
// until reaching the end of the line
while (flatNode != null) {
int validPosition =
getValidRegionPosition(
((IDOMDocument)
((IDOMSourceEditingTextTools) getSourceEditingTextTools()).getDOMDocument())
.getModel(),
flatNode,
startOffset,
endOffset);
if (validPosition == END_OF_LINE) return NO_VALID_CONTENT;
if (validPosition >= 0) return validPosition;
flatNode = flatNode.getNext();
}
return NO_VALID_CONTENT;
}
/**
* Updates all the cached information about the lines to be painted and to be cleared. Returns
* <code>true</code> if the line number of the cursor line has changed.
*
* @return <code>true</code> if cursor line changed
*/
private boolean updateHighlightLine() {
try {
IDocument document = fViewer.getDocument();
int modelCaret = getModelCaret();
int lineNumber = document.getLineOfOffset(modelCaret);
Point selection = fViewer.getTextWidget().getSelectionRange();
// redraw if the current line number is different from the last line number we painted
// initially fLastLineNumber is -1
if (lineNumber != fLastLineNumber
|| !overlaps(fCurrentLine, modelCaret)
|| (selection.y != 0)) {
// Handle non-empty selections (turn off highlight line)
if (selection.y != 0 && fLastLine.equals(fCurrentLine)) {
if (fLastSelection.equals(selection)) // selection didn't change
{
return false; // don't redraw the highlight line
}
fLastSelection = selection;
return true; // selection changed
}
fLastSelection = selection;
// Update the current and last lines
fLastLine.offset = fCurrentLine.offset;
fLastLine.length = fCurrentLine.length;
fLastLine.isDeleted = fCurrentLine.isDeleted;
if (fCurrentLine.isDeleted) {
fCurrentLine.isDeleted = false;
fPositionManager.managePosition(fCurrentLine);
}
fCurrentLine.offset = document.getLineOffset(lineNumber);
if (lineNumber == document.getNumberOfLines() - 1) {
fCurrentLine.length = document.getLength() - fCurrentLine.offset;
} else {
fCurrentLine.length = document.getLineOffset(lineNumber + 1) - fCurrentLine.offset;
}
fLastLineNumber = lineNumber;
return true;
}
} catch (BadLocationException e) {
}
return false;
}
@Override
public ICompletionProposal getCompletionProposal(final IMarker marker, final IDocument document) {
String msg = marker.getAttribute(IMarker.MESSAGE, ""); // $NON-NLS-1$
String toSearch = GhcMessages.WARNING_INFERREDTYPE_START;
int ix = msg.toLowerCase().indexOf(toSearch);
String type = msg.substring(ix + toSearch.length()).trim();
int line = marker.getAttribute(IMarker.LINE_NUMBER, 0);
try {
int offset = document.getLineOffset(line - 1);
String txt = type + PlatformUtil.NL;
return new CompletionProposal(
getLineStartAddition(txt, marker.getResource()),
offset,
0,
offset + txt.length(),
HaskellUIImages.getImage(IImageNames.TYPE_SIGNATURE),
getLabel(),
null,
null);
// doc.replace( offset, 0, type+NL );
} catch (BadLocationException ex) {
HaskellUIPlugin.log(ex);
}
return null;
}
private boolean openFileImpl(IProject project, IPath sourceLoc, int lineNumber) {
if (sourceLoc == null || "??".equals(sourceLoc.toString())) return false;
try {
IEditorInput editorInput = getEditorInput(sourceLoc, project);
IWorkbenchPage p= CUIPlugin.getActivePage();
if (p != null) {
if (editorInput == null) {
p.openEditor(
new STCSourceNotFoundEditorInput(project, sourceLoc, lineNumber),
"org.eclipse.linuxtools.binutils.link2source.STCSourceNotFoundEditor",
true);
} else {
IEditorPart editor = p.openEditor(editorInput, CUIPlugin.EDITOR_ID, true);
if (lineNumber > 0 && editor instanceof ITextEditor){
IDocumentProvider provider= ((ITextEditor)editor).getDocumentProvider();
IDocument document= provider.getDocument(editor.getEditorInput());
try {
int start = document.getLineOffset(lineNumber-1);
((ITextEditor)editor).selectAndReveal(start, 0);
IWorkbenchPage page= editor.getSite().getPage();
page.activate(editor);
return true;
} catch (BadLocationException x) {
// ignore
}
}
}
}
}
catch (Exception _) {
}
return false;
}
private void smartIndentAfterClosingBracket(IDocument d, DocumentCommand c) {
if (c.offset == -1 || d.getLength() == 0) return;
try {
int p = (c.offset == d.getLength() ? c.offset - 1 : c.offset);
int line = d.getLineOfOffset(p);
int start = d.getLineOffset(line);
int whiteend = findEndOfWhiteSpace(d, start, c.offset);
JavaHeuristicScanner scanner = new JavaHeuristicScanner(d);
JavaIndenter indenter = new JavaIndenter(d, scanner, fProject);
// shift only when line does not contain any text up to the closing bracket
if (whiteend == c.offset) {
// evaluate the line with the opening bracket that matches out closing bracket
int reference = indenter.findReferencePosition(c.offset, false, true, false, false);
int indLine = d.getLineOfOffset(reference);
if (indLine != -1 && indLine != line) {
// take the indent of the found line
StringBuffer replaceText = new StringBuffer(getIndentOfLine(d, indLine));
// add the rest of the current line including the just added close bracket
replaceText.append(d.get(whiteend, c.offset - whiteend));
replaceText.append(c.text);
// modify document command
c.length += c.offset - start;
c.offset = start;
c.text = replaceText.toString();
}
}
} catch (BadLocationException e) {
JavaPlugin.log(e);
}
}
@Override
public IFigure getTooltip(Object element) {
if (element instanceof BasicBlock) {
BasicBlock bb = (BasicBlock) element;
IR ir = irView.getIR();
IDocument doc = irView.getDocument();
IMethod method = ir.getMethod();
StringBuffer result = new StringBuffer();
int start = bb.getFirstInstructionIndex();
int end = bb.getLastInstructionIndex();
SSAInstruction[] instructions = ir.getInstructions();
for (int j = start; j <= end; j++) {
if (instructions[j] != null) {
int sourceLineNum = method.getLineNumber(j);
int lineNumber = sourceLineNum - 1; // IDocument indexing is 0-based
try {
int lineOffset = doc.getLineOffset(lineNumber);
int lineLength = doc.getLineLength(lineNumber);
String sourceCode = doc.get(lineOffset, lineLength).trim();
result.append(sourceCode);
} catch (BadLocationException e) {
}
result.append("\n");
}
}
return new Label(result.toString());
}
return null;
}
private String normalizeBlockIndentation(ITextSelection selection, String selectedText)
throws Throwable {
String[] lines = selectedText.split("\\n");
if (lines.length < 2) {
return selectedText;
}
String firstLine =
doc.get(
doc.getLineOffset(selection.getStartLine()),
doc.getLineLength(selection.getStartLine()));
String lineDelimiter = TextUtilities.getDefaultLineDelimiter(doc);
String indentation = "";
int bodyIndent = 0;
while (firstLine.startsWith(" ")) {
indentation += " ";
firstLine = firstLine.substring(1);
bodyIndent += 1;
}
if (bodyIndent > 0) {
StringBuffer selectedCode = new StringBuffer();
for (String line : lines) {
if (line.startsWith(indentation)) {
selectedCode.append(line.substring(bodyIndent) + lineDelimiter);
} else {
selectedCode.append(line + lineDelimiter);
}
}
selectedText = selectedCode.toString();
}
return selectedText;
}
// XXX Lambda4jdt helper method
private boolean includes(int line, IDocument document, Position p) {
try {
return p.includes(document.getLineOffset(line));
} catch (BadLocationException e) {
return false;
}
}
/** Creates Annotations for FOP */
private void createFOPAnnotations() throws BadLocationException {
AnnotationModelEvent event = new AnnotationModelEvent(this);
FSTModel model = project.getFSTModel();
if (model == null) {
composer.buildFSTModel();
model = project.getFSTModel();
}
if (model == null) {
return;
}
clear();
if (file.getParent() instanceof IFolder) {
if (isInBuildFolder((IFolder) file.getParent())) {
/* annotations for generated files */
FSTClass clazz = model.getClass(model.getAbsoluteClassName(file));
if (clazz == null) {
return;
}
if (!clazz.hasComposedLines) {
clazz.hasComposedLines = true;
composer.postCompile(null, file);
}
for (FSTFeature fstFeature : model.getFeatures()) {
FSTRole role = clazz.getRole(fstFeature.getName());
if (role == null) {
continue;
}
for (FSTMethod m : role.getAllMethods()) {
createFOPComposedAnnotations(event, fstFeature, m);
}
for (FSTField f : role.getAllFields()) {
createFOPComposedAnnotations(event, fstFeature, f);
}
}
} else {
/* annotations for source files */
String featureName = getFeature((IFolder) file.getParent());
if (featureName != null) {
FSTFeature fstFeature = model.getFeature(featureName);
if (fstFeature != null) {
// bar at the left of the editor
final int color = fstFeature.getColor();
for (int line = 0; line < document.getNumberOfLines(); line++) {
Position position = new Position(document.getLineOffset(line), 1);
ColorAnnotation cafh =
new ColorAnnotation(color, position, ColorAnnotation.TYPE_IMAGE);
cafh.setText(fstFeature.getName());
annotations.add(cafh);
event.annotationAdded(cafh);
}
}
}
}
}
}
private void gotoLineEnd() throws BadLocationException {
int line = fDocument.getLineOfOffset(fOffset);
int lines = fDocument.getNumberOfLines();
if (line + 1 == lines) {
fOffset = fDocument.getLength() - 1;
} else {
fOffset = fDocument.getLineOffset(line + 1);
}
}
/**
* Create a highlighted range on the previewers document with the given line, column, length and
* key.
*
* @param line the line
* @param column the column
* @param length the length
* @param key the key
* @return the highlighted range
*/
private HighlightedRange createHighlightedRange(int line, int column, int length, String key) {
try {
IDocument document = fPreviewViewer.getDocument();
int offset = document.getLineOffset(line) + column;
return new HighlightedRange(offset, length, key);
} catch (BadLocationException x) {
CUIPlugin.log(x);
}
return null;
}
private String getIndentOfLine(IDocument d, int line) throws BadLocationException {
if (line > -1) {
int start = d.getLineOffset(line);
int end = start + d.getLineLength(line) - 1;
int whiteEnd = findEndOfWhiteSpace(d, start, end);
return d.get(start, whiteEnd - start);
} else {
return ""; //$NON-NLS-1$
}
}
public static int getLineOffset(IFile file, int line) {
int offset = 0;
IDocument doc = getDocument(file);
if (doc == null) return offset;
try {
offset = doc.getLineOffset(line - 1);
} catch (BadLocationException e) {
e.printStackTrace();
}
return offset;
}
private void addFoldingRegions(
Set<Position> regions, IDocumentElementNode[] nodes, IDocument document)
throws BadLocationException {
for (int i = 0; i < nodes.length; i++) {
IDocumentElementNode element = nodes[i];
int startLine = document.getLineOfOffset(element.getOffset());
int endLine = document.getLineOfOffset(element.getOffset() + element.getLength());
if (startLine < endLine) {
int start = document.getLineOffset(startLine);
int end = document.getLineOffset(endLine) + document.getLineLength(endLine);
Position position = new Position(start, end - start);
regions.add(position);
fPositionToElement.put(position, element);
}
IDocumentElementNode[] children = element.getChildNodes();
if (children != null) {
addFoldingRegions(regions, children, document);
}
}
}
protected void selectInEditor(Token token) {
int line = token.getLine();
line--; // -1 because SableCC lines are 1-based
WorkingCopy workingCopy = editor.getWorkingCopy();
IDocument document = workingCopy.getDocument();
try {
int start = document.getLineOffset(line);
editor.selectAndReveal(start, 0);
} catch (BadLocationException e) {
UIUtils.log(e);
}
}
public String getContents() {
IDocument document = getSpecfile().getDocument();
int beginning = getLineStartPosition();
try {
int end = document.getLineOffset(getSectionEndLine());
return document.get(beginning, end - beginning);
} catch (BadLocationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return ""; //$NON-NLS-1$
}
/**
* Creates Annotations for FOP Composed File
*
* @param event
* @param fstFeature
* @param m
* @throws BadLocationException
*/
private void createFOPComposedAnnotations(
AnnotationModelEvent event, FSTFeature fstFeature, RoleElement<?> m)
throws BadLocationException {
if (m.getComposedLine() <= 0) {
return;
}
int startline = m.getComposedLine() - 1;
int endline = m.getComposedLine() + m.getMethodLength() - 1;
int lineOffset = document.getLineOffset(startline);
int length = 0;
for (int line = startline; line <= endline; line++) {
length += document.getLineLength(line);
// bar at the left of the editor
Position methodposition =
new Position(document.getLineOffset(line), document.getLineLength(line));
ColorAnnotation cafh =
new ColorAnnotation(
m.getRole().getFeature().getColor(), methodposition, ColorAnnotation.TYPE_IMAGE);
cafh.setText(m.getRole().getFeature().getName());
annotations.add(cafh);
event.annotationAdded(cafh);
}
Position methodposition = new Position(lineOffset, length);
// bar at the right of the editor
ColorAnnotation cafho =
new ColorAnnotation(
m.getRole().getFeature().getColor(), methodposition, ColorAnnotation.TYPE_OVERVIEW);
cafho.setText(m.getRole().getFeature().getName());
annotations.add(cafho);
event.annotationAdded(cafho);
if (highlighting) {
// background colors
ColorAnnotation cafhh =
new ColorAnnotation(
m.getRole().getFeature().getColor(), methodposition, ColorAnnotation.TYPE_HIGHLIGHT);
cafhh.setText(fstFeature.getName());
annotations.add(cafhh);
event.annotationAdded(cafhh);
}
}
protected void setEditorTextPreservingCarret(String newContents) throws CommonException {
if (areEqual(newContents, doc.get())) {
return;
}
LangSourceViewer sourceViewer = getEditorSourceViewer();
ISelection sel = sourceViewer.getSelectionProvider().getSelection();
int line = -1;
int col = -1;
if (sel instanceof ITextSelection) {
ITextSelection textSelection = (ITextSelection) sel;
try {
line = doc.getLineOfOffset(textSelection.getOffset());
col = textSelection.getOffset() - doc.getLineOffset(line);
} catch (BadLocationException e) {
// Ignore
}
}
IDocument document = sourceViewer.getDocument();
if (document instanceof IDocumentExtension4) {
IDocumentExtension4 doc_4 = (IDocumentExtension4) document;
// We use the DocumentRewriteSession to prevent the caret from jumping around
DocumentRewriteSession rewriteSession =
doc_4.startRewriteSession(DocumentRewriteSessionType.SEQUENTIAL);
document.set(newContents);
doc_4.stopRewriteSession(rewriteSession);
} else {
int topIndex = sourceViewer.getTopIndex();
document.set(newContents);
sourceViewer.setTopIndex(topIndex);
}
int newOffset = -1;
if (line != -1 && col != -1) {
try {
newOffset = getOffsetFor(line, col);
} catch (BadLocationException e) {
// ignore
}
}
if (newOffset != -1) {
sourceViewer.getSelectionProvider().setSelection(new TextSelection(newOffset, 0));
} else {
sourceViewer.getSelectionProvider().setSelection(sel);
}
}
/**
* Edits the file given by the fileName. The number of characters indicated by length are replaced
* by the given text beginning at the character located at the given line number and the line
* character offset.
*
* @param fileName
* @param lineNum
* @param lineRelativeCharOffset
* @param length
* @param text
* @throws Exception
*/
public void editFile(
String fileName, int lineNum, int lineRelativeCharOffset, int length, String text)
throws Exception {
IFile file = this.getFile(fileName);
AbstractTextEditor editor = this.getEditor(file);
IDocument doc = editor.getDocumentProvider().getDocument(editor.getEditorInput());
int offset = doc.getLineOffset(lineNum) + lineRelativeCharOffset;
doc.replace(offset, length, text);
waitForIndexManager();
}
/** Retrieves the FSTDirectives from the changed document. */
private LinkedList<FSTDirective> getNewDirectives() {
Vector<String> lines = new Vector<String>();
for (int i = 0; i < document.getNumberOfLines(); i++) {
try {
lines.add(document.get(document.getLineOffset(i), document.getLineLength(i)));
} catch (BadLocationException e) {
LogService.getInstance().log(LogLevel.DEBUG, e.getMessage());
}
}
return composer.buildModelDirectivesForFile(lines);
}
private int getNextLineOffset(final IDocument doc, final int endLine) {
try {
if (endLine >= 0 && endLine + 1 < doc.getNumberOfLines()) {
return doc.getLineOffset(endLine + 1);
} else {
return -1;
}
} catch (final BadLocationException e) {
// don't show an error
RUIPlugin.logError(RUIPlugin.INTERNAL_ERROR, "Error while find next line.", e); // $NON-NLS-1$
return -1;
}
}
/** Retrieves the FSTDirectives from the changed document. */
private LinkedList<FSTDirective> getNewDirectives() {
Vector<String> lines = new Vector<String>();
for (int i = 0; i < document.getNumberOfLines(); i++) {
try {
lines.add(document.get(document.getLineOffset(i), document.getLineLength(i)));
} catch (BadLocationException e) {
UIPlugin.getDefault().logError(e);
}
}
return composer.buildModelDirectivesForFile(lines);
}
/**
* Handles a single node when traversing the outline tree. Used recursively.
*
* @param node
* @param document
* @param parentDepth
* @param newOutlineInput
* @return
*/
private int addNodePosition(
OutlineNode node, IDocument document, int parentDepth, TexOutlineInput newOutlineInput) {
// add the Document position
int beginOffset = 0;
int length = 0;
Position position = null;
try {
beginOffset = document.getLineOffset(node.getBeginLine() - 1);
if (node.getEndLine() - 1 == document.getNumberOfLines())
length = document.getLength() - beginOffset;
else length = document.getLineOffset(node.getEndLine() - 1) - beginOffset;
position = new Position(beginOffset, length);
document.addPosition("__outline", position);
} catch (BadLocationException bpe) {
throw new OperationCanceledException();
} catch (BadPositionCategoryException bpce) {
throw new OperationCanceledException();
}
node.setPosition(position);
// add node to outline input
newOutlineInput.addNode(node);
// iterate through the children
List<OutlineNode> children = node.getChildren();
int maxDepth = parentDepth + 1;
if (children != null) {
for (Iterator<OutlineNode> iter = children.iterator(); iter.hasNext(); ) {
int localDepth = addNodePosition(iter.next(), document, parentDepth + 1, newOutlineInput);
if (localDepth > maxDepth) {
maxDepth = localDepth;
}
}
}
return maxDepth;
}
public void run(IIntroSite site, Properties params) {
String path = (String) params.get("path");
if (path.startsWith("<A href")) {
// screwed up link!
return;
}
String rawLine = (String) params.get("line");
int line = -1;
try {
line = Integer.parseInt(rawLine);
} catch (NumberFormatException e1) {
line = -1;
}
try {
IFile file = getFile(path);
IEditorPart part;
if (file == null) {
IEditorInput input = new ExternalRubyFileEditorInput(new File(path));
part =
PlatformUI.getWorkbench()
.getActiveWorkbenchWindow()
.getActivePage()
.openEditor(input, RubyUI.ID_EXTERNAL_EDITOR);
} else {
part =
IDE.openEditor(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
}
if (part == null) {
RailsUILog.logError("Error creating editor input for stack trace from browser", null);
// wrongly detected stack trace
return;
}
if (line == -1) return;
if (part instanceof ITextEditor) {
ITextEditor editor = (ITextEditor) part;
IDocument doc = editor.getDocumentProvider().getDocument(part.getEditorInput());
try {
int offset = doc.getLineOffset(line - 1);
EditorUtility.revealInEditor(part, offset, 0);
} catch (NumberFormatException e) {
// ignore
} catch (BadLocationException e) {
// ignore
}
}
} catch (CoreException e) {
RailsUILog.logError("Could not open editor or set line in editor", e);
}
}
private void handleSingleLineComment() throws BadLocationException {
int line = fDocument.getLineOfOffset(fOffset);
if (line < fCachedLineNumber) {
fCachedLineNumber = line;
fCachedLineOffset = fDocument.getLineOffset(line);
int offset = fOffset;
while (fCachedLineOffset < offset) {
char current = fDocument.getChar(offset--);
if (current == '/' && fCachedLineOffset <= offset && fDocument.getChar(offset) == '/') {
fOffset = offset;
return;
}
}
}
}
/**
* Searches for the name of a method at the line number specified in the given reference.
*
* @param name method name
* @param document document to search in
* @param reference provides line number
* @return method name range
* @throws CoreException
*/
protected Position getMethodNameRange(
boolean isContructor, String name, IDocument document, IReference reference)
throws CoreException, BadLocationException {
int linenumber = reference.getLineNumber();
if (linenumber > 0) {
linenumber--;
}
String methodname = name;
int idx = methodname.indexOf('$');
if (idx > -1) {
methodname = methodname.substring(0, idx);
}
idx = methodname.indexOf(Signatures.getLT());
if (idx > -1) {
methodname = methodname.substring(0, idx);
}
int offset = document.getLineOffset(linenumber);
String line = document.get(offset, document.getLineLength(linenumber));
int start = line.indexOf('=');
if (start < 0) {
if (isContructor) {
// new keyword should only be checked if the method is a constructor
start = line.indexOf("new"); // $NON-NLS-1$
if (start < 0) {
start = 0;
}
} else {
start = 0;
}
} else {
char charat = line.charAt(start - 1);
// make sure its not '==' | '!=' | '<=' | '>='
if (line.charAt(start + 1) == '=' || charat == '!' || charat == '<' || charat == '>') {
start = 0;
}
}
int first = findMethodNameStart(methodname, line, start);
if (first < 0) {
methodname = "super"; // $NON-NLS-1$
first = findMethodNameStart(methodname, line, start);
}
if (first > -1) {
return new Position(offset + first, methodname.length());
}
return null;
}