mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-04-29 19:45:01 +02:00
Code Issues Wiki Activity

Completion Engine Work

Browse source
This commit is contained in:
Hoda Amer 2003-11-19 15:11:51 +00:00
parent 7a446b027c
commit 008ec4a579
4 changed files with 185 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
core/org.eclipse.cdt.core/ChangeLog
View file

@ -1,3 +1,6 @@
2003-11-19 Hoda Amer
Added a completion engine class.
2003-11-18 Alain Magloire 2003-11-18 Alain Magloire
Attempt to address performance problems from the binary parser Attempt to address performance problems from the binary parser

22
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/ast/IASTCompletionNode.java
View file

@ -20,10 +20,24 @@ public interface IASTCompletionNode {
public static class CompletionKind extends Enum public static class CompletionKind extends Enum
{ {
public static final CompletionKind TYPE = new CompletionKind( 0 ); public static final CompletionKind DOT_MEMBER = new CompletionKind( 0 );
public static final CompletionKind DOT_MEMBER = new CompletionKind( 1 ); public static final CompletionKind ARROW_MEMBER = new CompletionKind( 1 );
public static final CompletionKind ARROW_MEMBER = new CompletionKind( 2 ); public static final CompletionKind QUALIFIEDNAME_MEMBER = new CompletionKind( 2 );
public static final CompletionKind QUALIFIEDNAME_MEMBER = new CompletionKind( 3 ); public static final CompletionKind FIELD_TYPE = new CompletionKind( 3 );
public static final CompletionKind VARIABLE_TYPE = new CompletionKind( 4 );
public static final CompletionKind ARGUMENT_TYPE = new CompletionKind( 5 );
public static final CompletionKind METHOD_RETURN_TYPE = new CompletionKind( 6 );
public static final CompletionKind FUNCTIOND_RETURN_TYPE = new CompletionKind( 7 );
public static final CompletionKind SINGLE_NAME_REFERENCE = new CompletionKind( 8 );
public static final CompletionKind QUALIFIED_NAME_REFERENCE = new CompletionKind( 9 );
public static final CompletionKind STRUCTURE_REFERENCE = new CompletionKind( 10 );
public static final CompletionKind CLASS_REFERENCE = new CompletionKind( 11 );
public static final CompletionKind EXCEPTION_REFERENCE = new CompletionKind( 12 );
public static final CompletionKind MACRO_REFERENCE = new CompletionKind( 13 );
public static final CompletionKind MESSAGE_SEND = new CompletionKind( 14 );
public static final CompletionKind QUALIFIED_ALLOCATION_EXPRESSION = new CompletionKind( 15 );
public static final CompletionKind KEYWORD = new CompletionKind( 16 );
//TODO MORE TO COME //TODO MORE TO COME
/** /**
* @param enumValue * @param enumValue

146
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/contentassist/CompletionEngine.java Normal file
View file

@ -0,0 +1,146 @@
/*
* Created on Nov 19, 2003
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package org.eclipse.cdt.internal.core.contentassist;
import java.io.CharArrayReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.parser.IParser;
import org.eclipse.cdt.core.parser.IScanner;
import org.eclipse.cdt.core.parser.IScannerInfo;
import org.eclipse.cdt.core.parser.IScannerInfoProvider;
import org.eclipse.cdt.core.parser.ParserFactory;
import org.eclipse.cdt.core.parser.ParserFactoryException;
import org.eclipse.cdt.core.parser.ParserLanguage;
import org.eclipse.cdt.core.parser.ParserMode;
import org.eclipse.cdt.core.parser.ParserUtil;
import org.eclipse.cdt.core.parser.ScannerInfo;
import org.eclipse.cdt.core.parser.ast.IASTCompletionNode;
import org.eclipse.cdt.internal.core.model.IWorkingCopy;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
/**
* @author hamer
*
* This class is the entry point for code completions.
* It contains a public API used to call ContentAssist on a given working copy
* and a given completion offset.
*
*/
public class CompletionEngine {
protected IASTCompletionNode parse(IWorkingCopy sourceUnit, int completionOffset){
ContentAssistElementRequestor requestor = new ContentAssistElementRequestor();
// Get resource info
IResource currentResource = sourceUnit.getResource();
IPath realPath = currentResource.getLocation();
IProject project = currentResource.getProject();
Reader reader = new CharArrayReader( sourceUnit.getContents() );
//Get the scanner info
IScannerInfo scanInfo = new ScannerInfo();
IScannerInfoProvider provider = CCorePlugin.getDefault().getScannerInfoProvider(project);
if (provider != null){
IScannerInfo buildScanInfo = provider.getScannerInformation(project);
if( buildScanInfo != null )
scanInfo = new ScannerInfo(buildScanInfo.getDefinedSymbols(), buildScanInfo.getIncludePaths());
}
//C or CPP?
ParserLanguage language = CoreModel.getDefault().hasCCNature(project) ? ParserLanguage.CPP : ParserLanguage.C;
IParser parser = null;
try
{
IScanner scanner = ParserFactory.createScanner( reader, realPath.toOSString(), scanInfo, ParserMode.COMPLETE_PARSE, language, requestor, ParserUtil.getParserLogService() );
parser = ParserFactory.createParser( scanner, requestor, ParserMode.COMPLETE_PARSE, language, ParserUtil.getParserLogService() );
}
catch( ParserFactoryException pfe )
{
}
if(parser != null){
IASTCompletionNode result = parser.parse(completionOffset);
return result;
} else {
return null;
}
}
public List complete(IWorkingCopy sourceUnit, int completionOffset) {
// 1- Parse the translation unit
IASTCompletionNode completionNode = parse(sourceUnit, completionOffset);
if (completionNode == null)
return null;
List completions = new ArrayList();
// 2- Check the return value
if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.DOT_MEMBER){
// CompletionOnDotMember
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.ARROW_MEMBER){
// CompletionOnArrowMember
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIEDNAME_MEMBER){
// CompletionOnQualifiedNameMember
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.FIELD_TYPE){
// CompletionOnFieldType
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.VARIABLE_TYPE){
// CompletionOnVariableType
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.ARGUMENT_TYPE){
// CompletionOnArgumentType
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.METHOD_RETURN_TYPE){
// CompletionOnMethodReturnType
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.FUNCTIOND_RETURN_TYPE){
// CompletionOnFunctionReturnType
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.SINGLE_NAME_REFERENCE){
// CompletionOnSingleNameReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIED_NAME_REFERENCE){
// CompletionOnQualifiedNameReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.STRUCTURE_REFERENCE){
// CompletionOnStructureReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.CLASS_REFERENCE){
// CompletionOnClassReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.EXCEPTION_REFERENCE){
// CompletionOnExceptionReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.MACRO_REFERENCE){
// CompletionOnMacroReference
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.MESSAGE_SEND){
// CompletionOnMessageSend
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.QUALIFIED_ALLOCATION_EXPRESSION){
// CompletionOnQualifiedAllocationExpression
}
else if(completionNode.getCompletionKind() == IASTCompletionNode.CompletionKind.KEYWORD){
// CompletionOnKeyword
}
return completions;
}
}

18
core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/core/contentassist/ContentAssistElementRequestor.java Normal file
View file

@ -0,0 +1,18 @@
/*
* Created on Nov 19, 2003
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package org.eclipse.cdt.internal.core.contentassist;
import org.eclipse.cdt.core.parser.NullSourceElementRequestor;
/**
* @author hamer
*
* This class is the source element requestor used by the completion engine.
*/
public class ContentAssistElementRequestor extends NullSourceElementRequestor {
}