mirror of
https://github.com/eclipse-cdt/cdt
synced 2025-04-23 14:42:11 +02:00
Hooked up the DOM completion contributor. Changed the API so that the contributors can easily add to the list of proposals (or sneak a peek at the current list ;-)
This commit is contained in:
Doug Schaefer
parent
de4d0657a5
commit
022627d408
3 changed files with 103 additions and 62 deletions
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@ -18,27 +18,21 @@ import org.eclipse.cdt.core.dom.CDOM;
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import org.eclipse.cdt.core.dom.ICodeReaderFactory;
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import org.eclipse.cdt.core.dom.IASTServiceProvider.UnsupportedDialectException;
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import org.eclipse.cdt.core.dom.ast.ASTCompletionNode;
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import org.eclipse.cdt.core.dom.ast.DOMException;
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import org.eclipse.cdt.core.dom.ast.IASTName;
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import org.eclipse.cdt.core.dom.ast.IBinding;
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import org.eclipse.cdt.core.dom.ast.ICompositeType;
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import org.eclipse.cdt.core.dom.ast.IFunction;
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import org.eclipse.cdt.core.dom.ast.ITypedef;
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import org.eclipse.cdt.core.dom.ast.IVariable;
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import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
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import org.eclipse.cdt.core.model.IWorkingCopy;
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import org.eclipse.cdt.core.parser.CodeReader;
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import org.eclipse.cdt.core.parser.ParserUtil;
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import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.cdt.ui.text.contentassist.ICompletionContributor;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.jface.resource.ImageDescriptor;
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import org.eclipse.core.runtime.IConfigurationElement;
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import org.eclipse.core.runtime.IExtension;
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import org.eclipse.core.runtime.IExtensionPoint;
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import org.eclipse.core.runtime.Platform;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.contentassist.ICompletionProposal;
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import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
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import org.eclipse.jface.text.contentassist.IContextInformation;
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import org.eclipse.jface.text.contentassist.IContextInformationValidator;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.ui.IEditorPart;
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/**
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@ -59,6 +53,8 @@ public class CCompletionProcessor2 implements IContentAssistProcessor {
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public ICompletionProposal[] computeCompletionProposals(final ITextViewer viewer,
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int offset) {
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try {
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errorMessage = "No completions found";
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long startTime = System.currentTimeMillis();
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IWorkingCopy workingCopy = CUIPlugin.getDefault().getWorkingCopyManager().getWorkingCopy(editor.getEditorInput());
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ASTCompletionNode completionNode = CDOM.getInstance().getCompletionNode(
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@ -75,43 +71,48 @@ public class CCompletionProcessor2 implements IContentAssistProcessor {
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public int getUniqueIdentifier() {
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return 99;
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}
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}
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}
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);
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long stopTime = System.currentTimeMillis();
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List proposals = null;
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List proposals = new ArrayList();
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if (completionNode != null) {
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int repLength = completionNode.getLength();
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int repOffset = offset - repLength;
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proposals = new ArrayList();
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IASTName[] names = completionNode.getNames();
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for (int i = 0; i < names.length; ++i) {
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IBinding [] bindings = names[i].resolvePrefix();
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if (bindings != null)
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for (int j = 0; j < bindings.length; ++j)
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proposals.add(createBindingCompletionProposal(bindings[j], repOffset, repLength));
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IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(CUIPlugin.PLUGIN_ID, "completionContributors"); //$NON-NLS-1$
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if (point == null)
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return null;
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IExtension[] extensions = point.getExtensions();
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for (int i = 0; i < extensions.length; ++i) {
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IConfigurationElement[] elements = extensions[i].getConfigurationElements();
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for (int j = 0; j < elements.length; ++j) {
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IConfigurationElement element = elements[j];
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if (!"contributor".equals(element.getName())) //$NON-NLS-1$
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continue;
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Class contribClass = element.loadExtensionClass("class"); //$NON-NLS-1$
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Object contribObject = contribClass.newInstance();
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if (!(contribObject instanceof ICompletionContributor))
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continue;
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ICompletionContributor contributor = (ICompletionContributor)contribObject;
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contributor.contributeCompletionProposals(viewer, offset, completionNode, proposals);
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}
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int x = 5;
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}
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long propTime = System.currentTimeMillis();
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System.out.println("Completion Parse: " + (stopTime - startTime) + " + Resolve:"
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System.out.println("Completion Parse: " + (stopTime - startTime) + " + Proposals: " //$NON-NLS-1$ //$NON-NLS-2$
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+ (propTime - stopTime));
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System.out.flush();
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if (proposals != null && !proposals.isEmpty()) {
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if (!proposals.isEmpty()) {
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errorMessage = null;
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return (ICompletionProposal[])proposals.toArray(new ICompletionProposal[proposals.size()]);
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}
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// The rest are error conditions
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errorMessage = "No completions found";
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} catch (UnsupportedDialectException e) {
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errorMessage = "Unsupported Dialect Exception";
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} catch (Throwable e) {
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errorMessage = e.toString();
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}
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return null;
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}
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@ -155,31 +156,4 @@ public class CCompletionProcessor2 implements IContentAssistProcessor {
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return null;
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}
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private ICompletionProposal createBindingCompletionProposal(IBinding binding, int offset, int length) {
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ImageDescriptor imageDescriptor = null;
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try {
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if (binding instanceof ITypedef) {
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imageDescriptor = CElementImageProvider.getTypedefImageDescriptor();
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} else if (binding instanceof ICompositeType) {
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if (((ICompositeType)binding).getKey() == ICPPClassType.k_class)
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imageDescriptor = CElementImageProvider.getClassImageDescriptor();
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else if (((ICompositeType)binding).getKey() == ICompositeType.k_struct)
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imageDescriptor = CElementImageProvider.getStructImageDescriptor();
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else if (((ICompositeType)binding).getKey() == ICompositeType.k_union)
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imageDescriptor = CElementImageProvider.getUnionImageDescriptor();
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} else if (binding instanceof IFunction) {
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imageDescriptor = CElementImageProvider.getFunctionImageDescriptor();
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} else if (binding instanceof IVariable) {
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imageDescriptor = CElementImageProvider.getVariableImageDescriptor();
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}
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} catch (DOMException e) {
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}
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Image image = imageDescriptor != null
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? CUIPlugin.getImageDescriptorRegistry().get( imageDescriptor )
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: null;
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return new CCompletionProposal(binding.getName(), offset, length, image, binding.getName(), 1);
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}
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}
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@ -7,17 +7,71 @@
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**********************************************************************/
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package org.eclipse.cdt.internal.ui.text.contentassist;
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import java.util.List;
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import org.eclipse.cdt.core.dom.ast.ASTCompletionNode;
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import org.eclipse.cdt.core.dom.ast.DOMException;
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import org.eclipse.cdt.core.dom.ast.IASTName;
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import org.eclipse.cdt.core.dom.ast.IBinding;
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import org.eclipse.cdt.core.dom.ast.ICompositeType;
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import org.eclipse.cdt.core.dom.ast.IFunction;
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import org.eclipse.cdt.core.dom.ast.ITypedef;
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import org.eclipse.cdt.core.dom.ast.IVariable;
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import org.eclipse.cdt.core.dom.ast.cpp.ICPPClassType;
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import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
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import org.eclipse.cdt.ui.CUIPlugin;
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import org.eclipse.cdt.ui.text.contentassist.ICompletionContributor;
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import org.eclipse.jface.resource.ImageDescriptor;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.contentassist.ICompletionProposal;
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import org.eclipse.swt.graphics.Image;
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public class DOMCompletionContributor implements ICompletionContributor {
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public ICompletionProposal[] contributeCompletionProposals(
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ITextViewer viewer, int offset, ASTCompletionNode node) {
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// TODO Auto-generated method stub
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return null;
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public void contributeCompletionProposals(ITextViewer viewer,
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int offset,
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ASTCompletionNode completionNode,
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List proposals) {
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if (completionNode != null) {
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int repLength = completionNode.getLength();
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int repOffset = offset - repLength;
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IASTName[] names = completionNode.getNames();
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for (int i = 0; i < names.length; ++i) {
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IBinding [] bindings = names[i].resolvePrefix();
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if (bindings != null)
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for (int j = 0; j < bindings.length; ++j)
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proposals.add(createBindingCompletionProposal(bindings[j], repOffset, repLength));
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}
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}
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}
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private ICompletionProposal createBindingCompletionProposal(IBinding binding, int offset, int length) {
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ImageDescriptor imageDescriptor = null;
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try {
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if (binding instanceof ITypedef) {
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imageDescriptor = CElementImageProvider.getTypedefImageDescriptor();
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} else if (binding instanceof ICompositeType) {
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if (((ICompositeType)binding).getKey() == ICPPClassType.k_class)
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imageDescriptor = CElementImageProvider.getClassImageDescriptor();
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else if (((ICompositeType)binding).getKey() == ICompositeType.k_struct)
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imageDescriptor = CElementImageProvider.getStructImageDescriptor();
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else if (((ICompositeType)binding).getKey() == ICompositeType.k_union)
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imageDescriptor = CElementImageProvider.getUnionImageDescriptor();
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} else if (binding instanceof IFunction) {
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imageDescriptor = CElementImageProvider.getFunctionImageDescriptor();
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} else if (binding instanceof IVariable) {
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imageDescriptor = CElementImageProvider.getVariableImageDescriptor();
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}
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} catch (DOMException e) {
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}
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Image image = imageDescriptor != null
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? CUIPlugin.getImageDescriptorRegistry().get( imageDescriptor )
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: null;
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return new CCompletionProposal(binding.getName(), offset, length, image, binding.getName(), 1);
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}
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}
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@ -7,12 +7,25 @@
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**********************************************************************/
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package org.eclipse.cdt.ui.text.contentassist;
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import java.util.List;
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import org.eclipse.cdt.core.dom.ast.ASTCompletionNode;
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import org.eclipse.jface.text.ITextViewer;
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import org.eclipse.jface.text.contentassist.ICompletionProposal;
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public interface ICompletionContributor {
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ICompletionProposal[] contributeCompletionProposals(ITextViewer viewer, int offset, ASTCompletionNode node);
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/**
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* This method allows the contributor to add to the list of proposals
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*
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* @param viewer the text viewer where completion is occuring
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* @param offset the offset into the text where the completion is occuring
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* @param completionNode the completion node produced by the parser for the offset
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* @param proposals the current list of proposals. This method should any additional
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* proposals to this list.
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*/
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void contributeCompletionProposals(ITextViewer viewer,
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int offset,
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ASTCompletionNode completionNode,
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List proposals);
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}
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