List of usage examples for org.eclipse.jdt.core.compiler ITerminalSymbols TokenNameCOMMENT_LINE
int TokenNameCOMMENT_LINE
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From source file:ca.uvic.cs.tagsea.extraction.TagExtractor.java
License:Open Source License
/** * Gets the comment regions associated with this document, restricted to the given offset and length, if no comment regions * are found an empty array is returned/*from w ww . java2 s . c o m*/ * @param document * @param offset * @param length * @param returnSingleLine Wither to collect single line commments * @return Array of tag regions */ public static IRegion[] getCommentRegions(IDocument document, int offset, int length) { try { StringBuffer content = new StringBuffer(document.get(offset, length)); IRegion range = new Region(offset, length); List<IRegion> commentRegions = new ArrayList<IRegion>(); IScanner scanner = ToolFactory.createScanner(true, false, false, false); scanner.setSource(content.toString().toCharArray()); int shift = range.getOffset(); while (true) { int terminal = scanner.getNextToken(); if (terminal == ITerminalSymbols.TokenNameCOMMENT_JAVADOC || terminal == ITerminalSymbols.TokenNameCOMMENT_BLOCK) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameCOMMENT_LINE) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameEOF) break; } IRegion[] result = new IRegion[commentRegions.size()]; commentRegions.toArray(result); return result; } catch (BadLocationException e) { TagSEAPlugin.log("", e); } catch (InvalidInputException e) { TagSEAPlugin.log("", e); } return new IRegion[0]; }
From source file:com.cb.eclipse.folding.java.calculation.CommentHelper.java
License:Open Source License
public void handle(int token, int start, int end, IJavaElement owner) throws JavaModelException { switch (token) { case ITerminalSymbols.TokenNameCOMMENT_BLOCK: handleCommentBlock(start, end);// ww w . j av a 2 s . c o m break; case ITerminalSymbols.TokenNameCOMMENT_JAVADOC: handleJavadoc(start, end); break; default: if (ITerminalSymbols.TokenNameCOMMENT_LINE == token && !isUserDefinedSentinel(token, start, end, owner)) { handleCommentLine(start, end); } else { handleNonCommentToken(token); } break; } }
From source file:com.cb.eclipse.folding.java.calculation.CommentPrefixStrategy.java
License:Open Source License
private boolean representsComment(int token) { return (token == ITerminalSymbols.TokenNameCOMMENT_BLOCK) || (token == ITerminalSymbols.TokenNameCOMMENT_JAVADOC) || (token == ITerminalSymbols.TokenNameCOMMENT_LINE); }
From source file:com.cb.eclipse.folding.java.calculation.UserDefinedStrategy.java
License:Open Source License
public void handle(int nextToken, int start, int end, IJavaElement owner) throws JavaModelException { if (settings.isDefaultEnabled()) { if (nextToken == ITerminalSymbols.TokenNameCOMMENT_LINE) { if (helper.isOpeningSentinel(start, end, owner)) { trackers.push(new RegionTracker(null, start)); } else if (helper.isClosingSentinel(start, end, owner)) { int matchedStart; if (!trackers.isEmpty()) { RegionTracker tracker = (RegionTracker) trackers.pop(); matchedStart = tracker.start; boolean doCollapse = settings.isDefaultCollapsed(); EnhancedPosition newPos = new EnhancedPosition(matchedStart, end - matchedStart, new JavaPositionMetadata(true, true, doCollapse, true, null)); super.addRegion(newPos); }/*from w ww. j av a 2 s.c om*/ } } } if (keepProcessingChild) { super.handle(nextToken, start, end, owner); } }
From source file:com.codenvy.ide.ext.java.server.internal.core.Member.java
License:Open Source License
public ISourceRange getJavadocRange() throws JavaModelException { ISourceRange range = getSourceRange(); if (range == null) return null; IBuffer buf = null;//from w w w .j av a2s . c om if (isBinary()) { buf = getClassFile().getBuffer(); } else { ICompilationUnit compilationUnit = getCompilationUnit(); if (!compilationUnit.isConsistent()) { return null; } buf = compilationUnit.getBuffer(); } final int start = range.getOffset(); final int length = range.getLength(); if (length > 0 && buf.getChar(start) == '/') { IScanner scanner = ToolFactory.createScanner(true, false, false, false); try { scanner.setSource(buf.getText(start, length).toCharArray()); int docOffset = -1; int docEnd = -1; int terminal = scanner.getNextToken(); loop: while (true) { switch (terminal) { case ITerminalSymbols.TokenNameCOMMENT_JAVADOC: docOffset = scanner.getCurrentTokenStartPosition(); docEnd = scanner.getCurrentTokenEndPosition() + 1; terminal = scanner.getNextToken(); break; case ITerminalSymbols.TokenNameCOMMENT_LINE: case ITerminalSymbols.TokenNameCOMMENT_BLOCK: terminal = scanner.getNextToken(); continue loop; default: break loop; } } if (docOffset != -1) { return new SourceRange(docOffset + start, docEnd - docOffset); } } catch (InvalidInputException ex) { // try if there is inherited Javadoc } catch (IndexOutOfBoundsException e) { // https://bugs.eclipse.org/bugs/show_bug.cgi?id=305001 } } return null; }
From source file:com.github.elucash.lambda4jdt.FoldingStructureProvider.java
License:Open Source License
/** * Computes the projection ranges for a given <code>ISourceReference</code>. More than one range * or none at all may be returned. If there are no foldable regions, an empty array is returned. * <p>//from w w w .j a v a 2 s.c o m * The last region in the returned array (if not empty) describes the region for the java element * that implements the source reference. Any preceding regions describe javadoc comments of that * java element. * </p> * @param reference a java element that is a source reference * @param ctx the folding context * @return the regions to be folded */ protected final IRegion[] computeProjectionRanges(ISourceReference reference, FoldingStructureComputationContext ctx) { try { ISourceRange range = reference.getSourceRange(); if (!SourceRange.isAvailable(range)) return new IRegion[0]; String contents = reference.getSource(); if (contents == null) return new IRegion[0]; List<IRegion> regions = new ArrayList<IRegion>(); if (!ctx.hasFirstType() && reference instanceof IType) { ctx.setFirstType((IType) reference); IRegion headerComment = computeHeaderComment(ctx); if (headerComment != null) { regions.add(headerComment); ctx.setHasHeaderComment(); } } final int shift = range.getOffset(); IScanner scanner = ctx.getScanner(); scanner.resetTo(shift, shift + range.getLength()); int start = shift; while (true) { int token = scanner.getNextToken(); start = scanner.getCurrentTokenStartPosition(); switch (token) { case ITerminalSymbols.TokenNameCOMMENT_JAVADOC: case ITerminalSymbols.TokenNameCOMMENT_BLOCK: { int end = scanner.getCurrentTokenEndPosition() + 1; regions.add(new Region(start, end - start)); continue; } case ITerminalSymbols.TokenNameCOMMENT_LINE: continue; } break; } regions.add(new Region(start, shift + range.getLength() - start)); return regions.toArray(new IRegion[regions.size()]); } catch (JavaModelException e) { } catch (InvalidInputException e) { } return new IRegion[0]; }
From source file:com.github.elucash.lambda4jdt.FoldingStructureProvider.java
License:Open Source License
private IRegion computeHeaderComment(FoldingStructureComputationContext ctx) throws JavaModelException { // search at most up to the first type ISourceRange range = ctx.getFirstType().getSourceRange(); if (range == null) return null; int start = 0; int end = range.getOffset(); /* code adapted from CommentFormattingStrategy: * scan the header content up to the first type. Once a comment is * found, accumulate any additional comments up to the stop condition. * The stop condition is reaching a package declaration, import container, * or the end of the input.//from www. j ava 2 s. co m */ IScanner scanner = ctx.getScanner(); scanner.resetTo(start, end); int headerStart = -1; int headerEnd = -1; try { boolean foundComment = false; int terminal = scanner.getNextToken(); while (terminal != ITerminalSymbols.TokenNameEOF && !(terminal == ITerminalSymbols.TokenNameclass || terminal == ITerminalSymbols.TokenNameinterface || terminal == ITerminalSymbols.TokenNameenum || (foundComment && (terminal == ITerminalSymbols.TokenNameimport || terminal == ITerminalSymbols.TokenNamepackage)))) { if (terminal == ITerminalSymbols.TokenNameCOMMENT_JAVADOC || terminal == ITerminalSymbols.TokenNameCOMMENT_BLOCK || terminal == ITerminalSymbols.TokenNameCOMMENT_LINE) { if (!foundComment) headerStart = scanner.getCurrentTokenStartPosition(); headerEnd = scanner.getCurrentTokenEndPosition(); foundComment = true; } terminal = scanner.getNextToken(); } } catch (InvalidInputException ex) { return null; } if (headerEnd != -1) { return new Region(headerStart, headerEnd - headerStart); } return null; }
From source file:com.ibm.research.tagging.java.extractor.WaypointDefinitionExtractor.java
License:Open Source License
/** * Gets the comment regions associated with this document, restricted to the given offset and length, if no comment regions * are found an empty array is returned/*from ww w.j a v a2 s. c o m*/ * @param document * @param offset * @param length * @param returnSingleLine Wither to collect single line commments * @return Array of tag regions */ public static IRegion[] getCommentRegions(IDocument document, int offset, int length) { try { StringBuffer content = new StringBuffer(document.get(offset, length)); IRegion range = new Region(offset, length); List<IRegion> commentRegions = new ArrayList<IRegion>(); IScanner scanner = ToolFactory.createScanner(true, false, false, false); scanner.setSource(content.toString().toCharArray()); int shift = range.getOffset(); while (true) { int terminal = scanner.getNextToken(); if (terminal == ITerminalSymbols.TokenNameCOMMENT_JAVADOC || terminal == ITerminalSymbols.TokenNameCOMMENT_BLOCK) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameCOMMENT_LINE) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameEOF) break; } IRegion[] result = new IRegion[commentRegions.size()]; commentRegions.toArray(result); return result; } catch (BadLocationException e) { e.printStackTrace(); } catch (InvalidInputException e) { e.printStackTrace(); } return new IRegion[0]; }
From source file:net.sourceforge.tagsea.java.documents.internal.NewWaypointDefinitionExtractor.java
License:Open Source License
/** * Gets the comment regions associated with this document, restricted to the given offset and length, if no comment regions * are found an empty array is returned/* ww w . j a v a 2 s.co m*/ * @param document * @param offset * @param length * @param returnSingleLine Wither to collect single line commments * @return Array of tag regions */ public static IRegion[] getCommentRegions(IDocument document, int offset, int length) { try { StringBuffer content = new StringBuffer(document.get(offset, length)); IRegion range = new Region(offset, length); List<IRegion> commentRegions = new ArrayList<IRegion>(); IScanner scanner = ToolFactory.createScanner(true, false, false, false); scanner.setSource(content.toString().toCharArray()); int shift = range.getOffset(); while (true) { int terminal = scanner.getNextToken(); if (terminal == ITerminalSymbols.TokenNameCOMMENT_JAVADOC || terminal == ITerminalSymbols.TokenNameCOMMENT_BLOCK) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameCOMMENT_LINE) { int commentOffset = shift + scanner.getCurrentTokenStartPosition(); int commentEnd = shift + scanner.getCurrentTokenEndPosition() + 1; commentRegions.add(new Region(commentOffset, commentEnd - commentOffset)); } else if (terminal == ITerminalSymbols.TokenNameEOF) break; } IRegion[] result = new IRegion[commentRegions.size()]; commentRegions.toArray(result); return result; } catch (BadLocationException e) { //e.printStackTrace(); } catch (InvalidInputException e) { //e.printStackTrace(); } return new IRegion[0]; }
From source file:org.eclipse.mylyn.java.ui.editor.AutoFoldingStructureProvider.java
License:Open Source License
/** * Computes the projection ranges for a given <code>IJavaElement</code>. * More than one range may be returned if the element has a leading comment * which gets folded separately. If there are no foldable regions, * <code>null</code> is returned. * * @param element the java element that can be folded * @return the regions to be folded, or <code>null</code> if there are * none//from w w w .j a v a2 s.c o m */ private IRegion[] computeProjectionRanges(IJavaElement element) { try { if (element instanceof ISourceReference) { ISourceReference reference = (ISourceReference) element; ISourceRange range = reference.getSourceRange(); String contents = reference.getSource(); if (contents == null) return null; List regions = new ArrayList(); if (fFirstType == null && element instanceof IType) { fFirstType = (IType) element; IRegion headerComment = computeHeaderComment(fFirstType); if (headerComment != null) { regions.add(headerComment); fHasHeaderComment = true; } } IScanner scanner = ToolFactory.createScanner(true, false, false, false); scanner.setSource(contents.toCharArray()); final int shift = range.getOffset(); int start = shift; while (true) { int token = scanner.getNextToken(); start = shift + scanner.getCurrentTokenStartPosition(); switch (token) { case ITerminalSymbols.TokenNameCOMMENT_JAVADOC: case ITerminalSymbols.TokenNameCOMMENT_BLOCK: { int end = shift + scanner.getCurrentTokenEndPosition() + 1; regions.add(new Region(start, end - start)); } case ITerminalSymbols.TokenNameCOMMENT_LINE: continue; } break; } regions.add(new Region(start, shift + range.getLength() - start)); if (regions.size() > 0) { IRegion[] result = new IRegion[regions.size()]; regions.toArray(result); return result; } } } catch (JavaModelException e) { MylarStatusHandler.log(e, ""); } catch (InvalidInputException e) { MylarStatusHandler.log(e, ""); } return null; }