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https://github.com/eclipse-cdt/cdt
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Added in hooks to plugin a database for the PDOM.
This commit is contained in:
Doug Schaefer
parent
0d47484eda
commit
5d8d0dacaa
5 changed files with 259 additions and 8 deletions
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@ -0,0 +1,27 @@
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/*******************************************************************************
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* Copyright (c) 2005 QNX Software Systems and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* QNX - Initial API and implementation
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*******************************************************************************/
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package org.eclipse.cdt.core.pdom;
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import java.sql.Connection;
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import org.eclipse.cdt.core.CCorePlugin;
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import org.eclipse.core.runtime.QualifiedName;
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public interface IPDOMDatabaseProvider {
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public static final QualifiedName dbNameKey
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= new QualifiedName(CCorePlugin.PLUGIN_ID, "pdomDBName");
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Connection getDatabase(String dbName, boolean create);
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void shutdownDatabase(String dbName);
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}
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@ -1,21 +1,30 @@
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package org.eclipse.cdt.core.pdom;
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import java.util.HashSet;
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import java.sql.Connection;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Set;
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import java.util.Map;
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import org.eclipse.cdt.core.CCorePlugin;
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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.IScope;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.runtime.CoreException;
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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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public class PDOM {
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// To reduce storage requirements we have a single table that contains all
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// of the strings in the PDOM. To check for equality, all you need to do
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// is compare string handles.
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private Set stringTable = new HashSet();
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// The DOM hash map
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private static Map pdomMap = new HashMap();
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private IScope globalScope;
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private Connection dbConn;
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private PDOM(Connection conn) {
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dbConn = conn;
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}
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/**
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* Look up the name from the DOM in the PDOM and return the PDOM
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@ -79,4 +88,47 @@ public class PDOM {
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}
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/**
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* Return the PDOM for the given project
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*
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* @param project
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* @return the PDOM for the project
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* @throws CoreException
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*/
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public static PDOM getPDOM(IProject project) throws CoreException {
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// Get the name for the db
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boolean create = false;
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String dbName = project.getPersistentProperty(IPDOMDatabaseProvider.dbNameKey);
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if (dbName == null) {
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// New database
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create = true;
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// TODO - the name shouldn't be the project name in case the
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// user changes it and creates a new one with the old name
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dbName = project.getName();
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project.setPersistentProperty(IPDOMDatabaseProvider.dbNameKey, dbName);
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} else {
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// See if we got one already
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PDOM pdom = (PDOM)pdomMap.get(dbName);
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if (pdom != null)
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return pdom;
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}
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// Find our database provider
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IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(CCorePlugin.PLUGIN_ID, "PDOMDatabaseProvider"); //$NON-NLS-1$
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IExtension[] extensions = extensionPoint.getExtensions();
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if (extensions.length == 0)
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// No DB providers
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return null;
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// For now pick the first one. In the future we may want to support more
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IConfigurationElement[] elements = extensions[0].getConfigurationElements();
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IPDOMDatabaseProvider dbProvider
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= (IPDOMDatabaseProvider)elements[0].createExecutableExtension("class"); //$NON-NLS-1$
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// create the PDOM
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PDOM pdom = new PDOM(dbProvider.getDatabase(dbName, create));
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pdomMap.put(dbName, pdom);
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return pdom;
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}
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}
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@ -0,0 +1,59 @@
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package org.eclipse.cdt.core.pdom;
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import org.eclipse.cdt.core.dom.IASTServiceProvider;
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import org.eclipse.cdt.core.dom.ICodeReaderFactory;
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import org.eclipse.cdt.core.dom.IParserConfiguration;
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import org.eclipse.cdt.core.dom.ast.ASTCompletionNode;
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import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.resources.IStorage;
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public class PDOMASTServiceProvider implements IASTServiceProvider {
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public IASTTranslationUnit getTranslationUnit(IFile fileToParse)
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throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public IASTTranslationUnit getTranslationUnit(IStorage fileToParse,
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IProject project, ICodeReaderFactory fileCreator)
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throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public IASTTranslationUnit getTranslationUnit(IStorage fileToParse,
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IProject project) throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public IASTTranslationUnit getTranslationUnit(IFile fileToParse,
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ICodeReaderFactory fileCreator) throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public IASTTranslationUnit getTranslationUnit(IFile fileToParse,
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ICodeReaderFactory fileCreator, IParserConfiguration configuration)
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throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public ASTCompletionNode getCompletionNode(IFile fileToParse, int offset,
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ICodeReaderFactory fileCreator) throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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public ASTCompletionNode getCompletionNode(IStorage fileToParse,
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IProject project, int offset, ICodeReaderFactory fileCreator)
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throws UnsupportedDialectException {
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// TODO Auto-generated method stub
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return null;
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}
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}
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@ -63,6 +63,7 @@
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<extension-point id="PathEntryContainerInitializer" name="%PathEntryContainerInitializer" schema="schema/PathEntryContainerInitializer.exsd"/>
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<extension-point id="CodeFormatter" name="%CodeFormatter.name" schema="schema/CodeFormatter.exsd"/>
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<extension-point id="CIndexer" name="C/C++ Indexer" schema="schema/CIndexer.exsd"/>
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<extension-point id="PDOMDatabaseProvider" name="%PDOMDatabaseProvider" schema="schema/PDOMDatabaseProvider.exsd"/>
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<!-- =================================================================================== -->
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<!-- Define the list of the Binary Parser provided by the CDT -->
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<!-- =================================================================================== -->
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112
core/org.eclipse.cdt.core/schema/PDOMDatabaseProvider.exsd
Normal file
112
core/org.eclipse.cdt.core/schema/PDOMDatabaseProvider.exsd
Normal file
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<?xml version='1.0' encoding='UTF-8'?>
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<!-- Schema file written by PDE -->
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<schema targetNamespace="org.eclipse.cdt.core">
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<annotation>
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<appInfo>
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<meta.schema plugin="org.eclipse.cdt.core" id="PDOMDatabaseProvider" name="%PDOMDatabaseProvider"/>
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</appInfo>
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<documentation>
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This extension point provides the database to be used for the Persistent DOM.
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</documentation>
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</annotation>
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<element name="extension">
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<complexType>
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<sequence>
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<element ref="provider"/>
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</sequence>
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<attribute name="point" type="string" use="required">
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<annotation>
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<documentation>
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</documentation>
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</annotation>
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</attribute>
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<attribute name="id" type="string">
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<annotation>
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<documentation>
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</documentation>
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</annotation>
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</attribute>
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<attribute name="name" type="string">
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<annotation>
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<documentation>
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</documentation>
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<appInfo>
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<meta.attribute translatable="true"/>
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</appInfo>
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</annotation>
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</attribute>
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</complexType>
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</element>
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<element name="provider">
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<complexType>
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<attribute name="id" type="string" use="required">
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<annotation>
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<documentation>
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</documentation>
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</annotation>
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</attribute>
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<attribute name="class" type="string">
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<annotation>
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<documentation>
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</documentation>
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<appInfo>
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<meta.attribute kind="java" basedOn="org.eclipse.cdt.core.pdom.IPDOMDatabaseProvider"/>
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</appInfo>
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</annotation>
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</attribute>
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</complexType>
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</element>
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<annotation>
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<appInfo>
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<meta.section type="since"/>
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</appInfo>
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<documentation>
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[Enter the first release in which this extension point appears.]
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</documentation>
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</annotation>
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<annotation>
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<appInfo>
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<meta.section type="examples"/>
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</appInfo>
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<documentation>
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[Enter extension point usage example here.]
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</documentation>
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</annotation>
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<annotation>
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<appInfo>
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<meta.section type="apiInfo"/>
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</appInfo>
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<documentation>
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[Enter API information here.]
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</documentation>
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</annotation>
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<annotation>
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<appInfo>
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<meta.section type="implementation"/>
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</appInfo>
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<documentation>
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[Enter information about supplied implementation of this extension point.]
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</documentation>
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</annotation>
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<annotation>
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<appInfo>
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<meta.section type="copyright"/>
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</appInfo>
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<documentation>
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</documentation>
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</annotation>
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</schema>
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