/*******************************************************************************
* Copyright (c) 2008, 2014 xored software, Inc.
*
* 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:
* xored software, Inc. - initial API and Implementation (Alex Panchenko)
* Zend Technologies - [424340] Library Folders (Kaloyan Raev)
*******************************************************************************/
package org.eclipse.php.internal.core.builder;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.dltk.ast.declarations.ModuleDeclaration;
import org.eclipse.dltk.ast.parser.IModuleDeclaration;
import org.eclipse.dltk.ast.parser.ISourceParser;
import org.eclipse.dltk.compiler.env.IModuleSource;
import org.eclipse.dltk.compiler.problem.ProblemCollector;
import org.eclipse.dltk.core.*;
import org.eclipse.dltk.core.ISourceModuleInfoCache.ISourceModuleInfo;
import org.eclipse.dltk.core.builder.AbstractBuildParticipantType;
import org.eclipse.dltk.core.builder.IBuildContext;
import org.eclipse.dltk.core.builder.IBuildParticipant;
import org.eclipse.dltk.core.builder.IScriptBuilder;
import org.eclipse.dltk.internal.core.ModelManager;
import org.eclipse.php.core.libfolders.LibraryFolderManager;
public class ParserBuildParticipantFactory extends AbstractBuildParticipantType
implements IExecutableExtension {
@Override
public IBuildParticipant createBuildParticipant(IScriptProject project)
throws CoreException {
if (natureId != null) {
final ISourceParser parser = DLTKLanguageManager
.getSourceParser(natureId);
if (parser != null) {
return new ParserBuildParticipant(parser);
}
}
return null;
}
private String natureId = null;
public void setInitializationData(IConfigurationElement config,
String propertyName, Object data) throws CoreException {
natureId = config.getAttribute("nature"); //$NON-NLS-1$
}
private static class ParserBuildParticipant implements IBuildParticipant {
private final ISourceParser parser;
public ParserBuildParticipant(ISourceParser parser) {
this.parser = parser;
}
public void build(IBuildContext context) throws CoreException {
IModelElement element = context.getModelElement();
if (LibraryFolderManager.getInstance().isInLibraryFolder(
element.getResource())) {
// skip syntax check for code inside library folders
return;
}
IModuleDeclaration moduleDeclaration = (ModuleDeclaration) context
.get(IBuildContext.ATTR_MODULE_DECLARATION);
if (moduleDeclaration != null) {
// do nothing if already have AST - optimization for reconcile
return;
}
// get cache entry
final ISourceModuleInfo cacheEntry = ModelManager.getModelManager()
.getSourceModuleInfoCache().get(context.getSourceModule());
// if full build,do not use cache,or the error marker will not be
// refreshed
if (context.getBuildType() != IScriptBuilder.FULL_BUILD) {
// check if there is cached AST
moduleDeclaration = SourceParserUtil.getModuleFromCache(
cacheEntry, context.getProblemReporter());
if (moduleDeclaration != null) {
// use AST from cache
context.set(IBuildContext.ATTR_MODULE_DECLARATION,
moduleDeclaration);
return;
}
}
// create problem collector
final ProblemCollector problemCollector = new ProblemCollector();
// parse
moduleDeclaration = parser
.parse((IModuleSource) context.getSourceModule(),
problemCollector);
// put result to the cache
SourceParserUtil.putModuleToCache(cacheEntry, moduleDeclaration,
problemCollector);
// report errors to the build context
problemCollector.copyTo(context.getProblemReporter());
// push AST to build context
context.set(IBuildContext.ATTR_MODULE_DECLARATION,
moduleDeclaration);
}
}
}