| /******************************************************************************* |
| * Copyright (c) 2005, 2016 IBM Corporation 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.ruby.typeinference; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.dltk.ast.declarations.ModuleDeclaration; |
| import org.eclipse.dltk.core.ISourceModule; |
| import org.eclipse.dltk.ti.BasicContext; |
| import org.eclipse.dltk.ti.IContext; |
| import org.eclipse.dltk.ti.IInstanceContext; |
| import org.eclipse.dltk.ti.types.IEvaluatedType; |
| |
| public class MethodContext extends BasicContext implements IArgumentsContext, |
| IInstanceContext { |
| |
| private final String[] argNames; |
| |
| private final IEvaluatedType[] argTypes; |
| |
| private IEvaluatedType instanceType; |
| |
| public MethodContext(IContext parent, ISourceModule sourceModule, |
| ModuleDeclaration rootNode, String[] argNames, |
| IEvaluatedType[] argTypes) { |
| super(sourceModule, rootNode); |
| |
| this.argNames = argNames; |
| this.argTypes = argTypes; |
| if (parent instanceof IInstanceContext) { |
| instanceType = ((IInstanceContext) parent).getInstanceType(); |
| } |
| } |
| |
| @Override |
| public IEvaluatedType getArgumentType(String name) { |
| for (int i = 0; i < argNames.length; i++) { |
| String argName = argNames[i]; |
| if (name.equals(argName)) |
| if (i < argTypes.length) |
| return argTypes[i]; |
| else |
| return null; |
| } |
| return null; |
| } |
| |
| @Override |
| public IEvaluatedType getInstanceType() { |
| return instanceType; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = super.hashCode(); |
| result = prime * result + Arrays.hashCode(argNames); |
| result = prime * result + Arrays.hashCode(argTypes); |
| result = prime * result |
| + ((instanceType == null) ? 0 : instanceType.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!super.equals(obj)) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| MethodContext other = (MethodContext) obj; |
| if (!Arrays.equals(argNames, other.argNames)) |
| return false; |
| if (!Arrays.equals(argTypes, other.argTypes)) |
| return false; |
| if (instanceType == null) { |
| if (other.instanceType != null) |
| return false; |
| } else if (!instanceType.equals(other.instanceType)) |
| return false; |
| return true; |
| } |
| |
| } |