| /******************************************************************************* |
| * Copyright (c) 2010, 2015 Wind River Systems, Inc. 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: |
| * Markus Schorn - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.internal.core.dom.parser.cpp.semantics; |
| |
| import org.eclipse.cdt.core.dom.ILinkage; |
| import org.eclipse.cdt.core.dom.ast.DOMException; |
| import org.eclipse.cdt.core.dom.ast.IASTName; |
| import org.eclipse.cdt.core.dom.ast.IBinding; |
| import org.eclipse.cdt.core.dom.ast.IScope; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPFunction; |
| import org.eclipse.cdt.core.dom.ast.cpp.ICPPTemplateArgument; |
| import org.eclipse.cdt.core.parser.util.ArrayUtil; |
| import org.eclipse.cdt.core.parser.util.CharArrayUtils; |
| import org.eclipse.cdt.internal.core.dom.Linkage; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPASTNameBase; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.CPPDeferredFunction; |
| import org.eclipse.cdt.internal.core.dom.parser.cpp.ICPPTwoPhaseBinding; |
| |
| /** |
| * Used as intermediate binding for names nominating a function without calling it. |
| * The actual function can be resolved in certain contexts. |
| */ |
| public class CPPFunctionSet implements ICPPTwoPhaseBinding { |
| private final ICPPFunction[] fBindings; |
| private final IASTName fName; |
| private final ICPPTemplateArgument[] fTemplateArguments; |
| |
| public CPPFunctionSet(ICPPFunction[] bindingList, ICPPTemplateArgument[] args, IASTName name) { |
| fBindings = ArrayUtil.removeNulls(bindingList); |
| fTemplateArguments= args; |
| fName= name; |
| } |
| |
| @Override |
| public String getName() { |
| return fBindings[0].getName(); |
| } |
| |
| @Override |
| public char[] getNameCharArray() { |
| return fBindings[0].getNameCharArray(); |
| } |
| |
| @Override |
| public IScope getScope() throws DOMException { |
| return fBindings[0].getScope(); |
| } |
| |
| @Override |
| public IBinding getOwner() { |
| return fBindings[0].getOwner(); |
| } |
| |
| public ICPPFunction[] getBindings() { |
| return fBindings; |
| } |
| |
| @Override |
| public ILinkage getLinkage() { |
| return Linkage.CPP_LINKAGE; |
| } |
| |
| @Override |
| public IBinding resolveFinalBinding(CPPASTNameBase astName) { |
| return CPPSemantics.resolveTargetedFunction(astName, this); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Object getAdapter(@SuppressWarnings("rawtypes") Class adapter) { |
| if (adapter.isAssignableFrom(getClass())) |
| return this; |
| return null; |
| } |
| |
| /** |
| * Returns the template arguments, or {@code null} if the function set doesn't represent a template |
| * specialization. |
| */ |
| public ICPPTemplateArgument[] getTemplateArguments() { |
| return fTemplateArguments; |
| } |
| |
| public void applySelectedFunction(ICPPFunction selectedFunction) { |
| if (selectedFunction != null && fName != null) { |
| fName.setBinding(selectedFunction); |
| } |
| } |
| |
| public void setToUnknown() { |
| if (fName != null) { |
| fName.setBinding(new CPPDeferredFunction(null, fName.toCharArray(), fBindings)); |
| } |
| } |
| |
| /** For debugging only */ |
| @Override |
| public String toString() { |
| if (fName != null) |
| return fName.toString(); |
| try { |
| return String.join("::", fBindings[0].getQualifiedName()); //$NON-NLS-1$ |
| } catch (DOMException e) { |
| return super.toString(); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (!(other instanceof CPPFunctionSet)) { |
| return false; |
| } |
| CPPFunctionSet o = (CPPFunctionSet) other; |
| return CPPEvaluation.areEquivalentBindings(fBindings, o.fBindings) |
| && fName == o.fName |
| && CPPEvaluation.areEquivalentArguments(fTemplateArguments, o.fTemplateArguments); |
| } |
| } |