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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.java187
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;
+ }
+
+}

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