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Completion Engine Work
This commit is contained in:
Hoda Amer
parent
7a446b027c
commit
008ec4a579
4 changed files with 185 additions and 4 deletions
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@ -1,3 +1,6 @@
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2003-11-19 Hoda Amer
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Added a completion engine class.
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2003-11-18 Alain Magloire
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Attempt to address performance problems from the binary parser
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@ -20,10 +20,24 @@ public interface IASTCompletionNode {
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public static class CompletionKind extends Enum
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{
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public static final CompletionKind TYPE = new CompletionKind( 0 );
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public static final CompletionKind DOT_MEMBER = new CompletionKind( 1 );
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public static final CompletionKind ARROW_MEMBER = new CompletionKind( 2 );
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public static final CompletionKind QUALIFIEDNAME_MEMBER = new CompletionKind( 3 );
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public static final CompletionKind DOT_MEMBER = new CompletionKind( 0 );
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public static final CompletionKind ARROW_MEMBER = new CompletionKind( 1 );
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public static final CompletionKind QUALIFIEDNAME_MEMBER = new CompletionKind( 2 );
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public static final CompletionKind FIELD_TYPE = new CompletionKind( 3 );
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public static final CompletionKind VARIABLE_TYPE = new CompletionKind( 4 );
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public static final CompletionKind ARGUMENT_TYPE = new CompletionKind( 5 );
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public static final CompletionKind METHOD_RETURN_TYPE = new CompletionKind( 6 );
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public static final CompletionKind FUNCTIOND_RETURN_TYPE = new CompletionKind( 7 );
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public static final CompletionKind SINGLE_NAME_REFERENCE = new CompletionKind( 8 );
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public static final CompletionKind QUALIFIED_NAME_REFERENCE = new CompletionKind( 9 );
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public static final CompletionKind STRUCTURE_REFERENCE = new CompletionKind( 10 );
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public static final CompletionKind CLASS_REFERENCE = new CompletionKind( 11 );
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public static final CompletionKind EXCEPTION_REFERENCE = new CompletionKind( 12 );
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public static final CompletionKind MACRO_REFERENCE = new CompletionKind( 13 );
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public static final CompletionKind MESSAGE_SEND = new CompletionKind( 14 );
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public static final CompletionKind QUALIFIED_ALLOCATION_EXPRESSION = new CompletionKind( 15 );
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public static final CompletionKind KEYWORD = new CompletionKind( 16 );
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//TODO MORE TO COME
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/**
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* @param enumValue
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@ -0,0 +1,146 @@
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/*
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* Created on Nov 19, 2003
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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package org.eclipse.cdt.internal.core.contentassist;
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import java.io.CharArrayReader;
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import java.io.Reader;
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import java.util.ArrayList;
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import java.util.List;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.cdt.core.model.CoreModel;
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import org.eclipse.cdt.core.parser.IParser;
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import org.eclipse.cdt.core.parser.IScanner;
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import org.eclipse.cdt.core.parser.IScannerInfo;
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import org.eclipse.cdt.core.parser.IScannerInfoProvider;
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import org.eclipse.cdt.core.parser.ParserFactory;
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import org.eclipse.cdt.core.parser.ParserFactoryException;
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import org.eclipse.cdt.core.parser.ParserLanguage;
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import org.eclipse.cdt.core.parser.ParserMode;
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import org.eclipse.cdt.core.parser.ParserUtil;
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import org.eclipse.cdt.core.parser.ScannerInfo;
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import org.eclipse.cdt.core.parser.ast.IASTCompletionNode;
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import org.eclipse.cdt.internal.core.model.IWorkingCopy;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IResource;
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import org.eclipse.core.runtime.IPath;
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/**
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* @author hamer
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*
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* This class is the entry point for code completions.
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* It contains a public API used to call ContentAssist on a given working copy
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* and a given completion offset.
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*
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*/
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public class CompletionEngine {
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protected IASTCompletionNode parse(IWorkingCopy sourceUnit, int completionOffset){
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ContentAssistElementRequestor requestor = new ContentAssistElementRequestor();
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// Get resource info
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IResource currentResource = sourceUnit.getResource();
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IPath realPath = currentResource.getLocation();
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IProject project = currentResource.getProject();
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Reader reader = new CharArrayReader( sourceUnit.getContents() );
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//Get the scanner info
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IScannerInfo scanInfo = new ScannerInfo();
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IScannerInfoProvider provider = CCorePlugin.getDefault().getScannerInfoProvider(project);
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if (provider != null){
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IScannerInfo buildScanInfo = provider.getScannerInformation(project);
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if( buildScanInfo != null )
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scanInfo = new ScannerInfo(buildScanInfo.getDefinedSymbols(), buildScanInfo.getIncludePaths());
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}
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//C or CPP?
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ParserLanguage language = CoreModel.getDefault().hasCCNature(project) ? ParserLanguage.CPP : ParserLanguage.C;
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IParser parser = null;
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try
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{
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IScanner scanner = ParserFactory.createScanner( reader, realPath.toOSString(), scanInfo, ParserMode.COMPLETE_PARSE, language, requestor, ParserUtil.getParserLogService() );
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parser = ParserFactory.createParser( scanner, requestor, ParserMode.COMPLETE_PARSE, language, ParserUtil.getParserLogService() );
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}
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catch( ParserFactoryException pfe )
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{
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}
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if(parser != null){
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IASTCompletionNode result = parser.parse(completionOffset);
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return result;
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} else {
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return null;
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}
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}
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public List complete(IWorkingCopy sourceUnit, int completionOffset) {
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// 1- Parse the translation unit
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IASTCompletionNode completionNode = parse(sourceUnit, completionOffset);
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if (completionNode == null)
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return null;
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List completions = new ArrayList();
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// 2- Check the return value
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if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.DOT_MEMBER){
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// CompletionOnDotMember
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.ARROW_MEMBER){
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// CompletionOnArrowMember
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIEDNAME_MEMBER){
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// CompletionOnQualifiedNameMember
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.FIELD_TYPE){
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// CompletionOnFieldType
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.VARIABLE_TYPE){
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// CompletionOnVariableType
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.ARGUMENT_TYPE){
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// CompletionOnArgumentType
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.METHOD_RETURN_TYPE){
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// CompletionOnMethodReturnType
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.FUNCTIOND_RETURN_TYPE){
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// CompletionOnFunctionReturnType
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.SINGLE_NAME_REFERENCE){
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// CompletionOnSingleNameReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIED_NAME_REFERENCE){
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// CompletionOnQualifiedNameReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.STRUCTURE_REFERENCE){
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// CompletionOnStructureReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.CLASS_REFERENCE){
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// CompletionOnClassReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.EXCEPTION_REFERENCE){
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// CompletionOnExceptionReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.MACRO_REFERENCE){
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// CompletionOnMacroReference
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.MESSAGE_SEND){
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// CompletionOnMessageSend
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIED_ALLOCATION_EXPRESSION){
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// CompletionOnQualifiedAllocationExpression
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}
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else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.KEYWORD){
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// CompletionOnKeyword
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}
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return completions;
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}
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}
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@ -0,0 +1,18 @@
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/*
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* Created on Nov 19, 2003
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*
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* To change the template for this generated file go to
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* Window>Preferences>Java>Code Generation>Code and Comments
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*/
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package org.eclipse.cdt.internal.core.contentassist;
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import org.eclipse.cdt.core.parser.NullSourceElementRequestor;
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/**
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* @author hamer
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*
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* This class is the source element requestor used by the completion engine.
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*/
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public class ContentAssistElementRequestor extends NullSourceElementRequestor {
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}
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