diff options
Diffstat (limited to 'dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/model/SourceFileInfo.java')
-rw-r--r-- | dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/model/SourceFileInfo.java | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/model/SourceFileInfo.java b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/model/SourceFileInfo.java new file mode 100644 index 00000000000..f433228e9c4 --- /dev/null +++ b/dsf/org.eclipse.cdt.dsf.ui/src/org/eclipse/cdt/dsf/debug/internal/ui/disassembly/model/SourceFileInfo.java @@ -0,0 +1,187 @@ +/******************************************************************************* + * Copyright (c) 2007, 2008 Wind River 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: + * Wind River Systems - initial API and implementation + *******************************************************************************/ +package org.eclipse.cdt.dsf.debug.internal.ui.disassembly.model; + +import java.math.BigInteger; + +import org.eclipse.cdt.core.CCorePlugin; +import org.eclipse.cdt.core.model.ILanguage; +import org.eclipse.cdt.core.model.LanguageManager; +import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation.ISourcePresentationCreator; +import org.eclipse.cdt.dsf.debug.internal.ui.disassembly.presentation.SourcePresentationCreatorFactory; +import org.eclipse.cdt.dsf.internal.ui.DsfUIPlugin; +import org.eclipse.core.resources.IFile; +import org.eclipse.core.resources.IStorage; +import org.eclipse.core.runtime.CoreException; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.content.IContentType; +import org.eclipse.core.runtime.jobs.Job; +import org.eclipse.jface.text.BadLocationException; +import org.eclipse.jface.text.IDocument; +import org.eclipse.jface.text.IRegion; +import org.eclipse.jface.text.ITextViewer; +import org.eclipse.jface.text.Region; +import org.eclipse.jface.text.TextPresentation; +import org.eclipse.ui.IEditorInput; + +/** + * Holds information about a source file. + */ +public class SourceFileInfo { + public final String fFileKey; + public final IStorage fFile; + public IStorage fEdition; + public BigInteger[] fLine2Addr; + public Addr2Line[] fAddr2Line; + public volatile IDocument fSource; + public volatile boolean fValid; + public Object fLinesNode; + public Throwable fError; + public volatile SourceReadingJob fReadingJob; + public volatile Job fEditionJob; + public ISourcePresentationCreator fPresentationCreator; + public BigInteger fStartAddress = BigInteger.ONE.shiftLeft(64).subtract(BigInteger.ONE); + public BigInteger fEndAddress= BigInteger.ZERO; + + public SourceFileInfo(String fileKey, IStorage file) { + fFileKey = fileKey; + fFile = fEdition = file; + } + + /** + * Initialize source document. + * @throws CoreException + */ + public void initSource() throws CoreException { + SourceDocumentProvider provider = DsfUIPlugin.getSourceDocumentProvider(); + IEditorInput input = new SourceEditorInput(fEdition); + synchronized (provider) { + provider.connect(input); + } + IStatus status = provider.getStatus(input); + if (status != null && !status.isOK()) { + throw new CoreException(status); + } + } + + /** + * Initialize presentation creator. + * @param viewer + */ + public void initPresentationCreator(ITextViewer viewer) { + SourceDocumentProvider provider = DsfUIPlugin.getSourceDocumentProvider(); + IEditorInput input = new SourceEditorInput(fEdition); + IDocument doc = provider.getDocument(input); + if (doc != null) { + IContentType contentType= null; + if (fEdition instanceof IFile) { + IFile file= (IFile)fEdition; + contentType= CCorePlugin.getContentType(file.getProject(), file.getName()); + } else { + contentType= CCorePlugin.getContentType(fEdition.getName()); + } + ILanguage language= null; + if (contentType != null) { + language= LanguageManager.getInstance().getLanguage(contentType); + } + if (language != null) { + fPresentationCreator= SourcePresentationCreatorFactory.create(language, fEdition, viewer); + } + int lines = doc.getNumberOfLines(); + fLine2Addr = new BigInteger[lines]; + fAddr2Line = new Addr2Line[lines / 10 + 1]; + // assign fSource last, triggering source update + fSource = doc; + } + } + + /** + * Dispose this object. + */ + public void dispose() { + if (fReadingJob != null) { + if (!fReadingJob.cancel()) { + fReadingJob.dispose(); + } + fReadingJob = null; + } + if (fPresentationCreator != null) { + fPresentationCreator.dispose(); + fPresentationCreator = null; + } + SourceDocumentProvider provider = DsfUIPlugin.getSourceDocumentProvider(); + synchronized (provider) { + provider.disconnect(new SourceEditorInput(fEdition)); + } + fSource = null; + fValid = false; +// fLinesNode = null; + } + + public String getLine(int lineNr) { + return getLines(lineNr, lineNr); + } + + public String getLines(int first, int last) { + try { + int startOffset = fSource.getLineOffset(first); + int endOffset; + if (last < fSource.getNumberOfLines()-1) { + IRegion lastRegion = fSource.getLineInformation(last+1); + endOffset = lastRegion.getOffset(); + } else { + // last line + IRegion lastRegion = fSource.getLineInformation(last); + endOffset = lastRegion.getOffset() + lastRegion.getLength(); + } + return fSource.get(startOffset, endOffset - startOffset); + } catch (BadLocationException e) { + return null; + } + } + + public IRegion getRegion(int line, int length) { + try { + IRegion lineRegion = fSource.getLineInformation(line); + return new Region(lineRegion.getOffset(), length); + } catch (BadLocationException e) { + return null; + } + } + + /** + * Get or create text presentation for the given region. + * Must be called in display thread. + * @param region + * @return text presentation + */ + public TextPresentation getPresentation(IRegion region) { + if (fSource != null && fPresentationCreator != null) { + return fPresentationCreator.getPresentation(region, fSource); + } + return null; + } + + /** + * @return offset of given line + */ + public int getLineOffset(int line) { + if (fSource != null) { + try { + return fSource.getLineOffset(line); + } catch (BadLocationException e) { + // ignored + } + } + return -1; + } + +} |