| /******************************************************************************* |
| * Copyright (c) 2007, 2011 QNX Software Systems and others. |
| * 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: |
| * Bryan Wilkinson (QNX) - Initial API and implementation |
| * Markus Schorn (Wind River Systems) |
| * Sergey Prigogin (Google) |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.pdom.dom.cpp; |
| |
| import org.eclipse.cdt.core.CCorePlugin; |
| import org.eclipse.cdt.core.dom.ast.DOMException; |
| import org.eclipse.cdt.core.dom.ast.IBinding; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunctionTemplate; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateInstance; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateNonTypeParameter; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateParameter; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTemplateParameter; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateTypeParameter; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPInstanceCache; |
| import org.eclipse.cdt.internal.core.index.IIndexCPPBindingConstants; |
| import org.eclipse.cdt.internal.core.pdom.db.Database; |
| import org.eclipse.cdt.internal.core.pdom.dom.IPDOMMemberOwner; |
| import org.eclipse.cdt.internal.core.pdom.dom.PDOMLinkage; |
| import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode; |
| import org.eclipse.core.runtime.CoreException; |
| |
| /** |
| * Represents a function template, base class for method/constructor templates. |
| */ |
| class PDOMCPPFunctionTemplate extends PDOMCPPFunction |
| implements ICPPFunctionTemplate, ICPPInstanceCache, IPDOMMemberOwner, IPDOMCPPTemplateParameterOwner { |
| |
| private static final int TEMPLATE_PARAMS = PDOMCPPFunction.RECORD_SIZE; |
| |
| @SuppressWarnings("hiding") |
| protected static final int RECORD_SIZE = TEMPLATE_PARAMS + Database.PTR_SIZE; |
| |
| private volatile IPDOMCPPTemplateParameter[] params; // Cached template parameters. |
| |
| public PDOMCPPFunctionTemplate(PDOMCPPLinkage linkage, PDOMNode parent, ICPPFunctionTemplate template) |
| throws CoreException, DOMException { |
| super(linkage, parent, template, false); |
| final ICPPTemplateParameter[] origParams= template.getTemplateParameters(); |
| params = PDOMTemplateParameterArray.createPDOMTemplateParameters(linkage, this, origParams); |
| final Database db = getDB(); |
| long rec= PDOMTemplateParameterArray.putArray(db, params); |
| db.putRecPtr(record + TEMPLATE_PARAMS, rec); |
| linkage.new ConfigureFunctionTemplate(template, this); |
| } |
| |
| public PDOMCPPFunctionTemplate(PDOMLinkage linkage, long bindingRecord) { |
| super(linkage, bindingRecord); |
| } |
| |
| @Override |
| public void update(PDOMLinkage linkage, IBinding name) { |
| // no support for updating templates, yet. |
| } |
| |
| @Override |
| protected int getRecordSize() { |
| return RECORD_SIZE; |
| } |
| |
| @Override |
| public int getNodeType() { |
| return IIndexCPPBindingConstants.CPP_FUNCTION_TEMPLATE; |
| } |
| |
| public IPDOMCPPTemplateParameter[] getTemplateParameters() { |
| if (params == null) { |
| try { |
| long rec= getDB().getRecPtr(record + TEMPLATE_PARAMS); |
| if (rec == 0) { |
| params= IPDOMCPPTemplateParameter.EMPTY_ARRAY; |
| } else { |
| params= PDOMTemplateParameterArray.getArray(this, rec); |
| } |
| } catch (CoreException e) { |
| CCorePlugin.log(e); |
| params = IPDOMCPPTemplateParameter.EMPTY_ARRAY; |
| } |
| } |
| return params; |
| } |
| |
| public ICPPTemplateInstance getInstance(ICPPTemplateArgument[] arguments) { |
| return PDOMInstanceCache.getCache(this).getInstance(arguments); |
| } |
| |
| public void addInstance(ICPPTemplateArgument[] arguments, ICPPTemplateInstance instance) { |
| PDOMInstanceCache.getCache(this).addInstance(arguments, instance); |
| } |
| |
| public ICPPTemplateInstance[] getAllInstances() { |
| return PDOMInstanceCache.getCache(this).getAllInstances(); |
| } |
| |
| public ICPPTemplateParameter adaptTemplateParameter(ICPPTemplateParameter param) { |
| // Template parameters are identified by their position in the parameter list. |
| int pos = param.getParameterPosition(); |
| ICPPTemplateParameter[] pars = getTemplateParameters(); |
| |
| if (pars == null || pos >= pars.length) |
| return null; |
| |
| ICPPTemplateParameter result= pars[pos]; |
| if (param instanceof ICPPTemplateTypeParameter) { |
| if (result instanceof ICPPTemplateTypeParameter) |
| return result; |
| } else if (param instanceof ICPPTemplateNonTypeParameter) { |
| if (result instanceof ICPPTemplateNonTypeParameter) |
| return result; |
| } else if (param instanceof ICPPTemplateTemplateParameter) { |
| if (result instanceof ICPPTemplateTemplateParameter) |
| return result; |
| } |
| return null; |
| } |
| } |