Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.object/src/com/oracle/truffle/object/Transition.java @ 20942:a2e295c6cf7c
Truffle-DSL: fixed frame might be added twice for polymorphic signatures.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 14 Apr 2015 19:23:32 +0200 |
parents | ce46f909c176 |
children | 19340125f182 |
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/* * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.object; import java.util.*; import com.oracle.truffle.api.object.*; public abstract class Transition { @Override public int hashCode() { int result = 1; return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } return true; } public abstract boolean isDirect(); public abstract static class PropertyTransition extends Transition { private final Property property; public PropertyTransition(Property property) { this.property = property; } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + ((property == null) ? 0 : property.hashCode()); return result; } @Override public boolean equals(Object obj) { if (!super.equals(obj)) { return false; } PropertyTransition other = (PropertyTransition) obj; if (!Objects.equals(property, other.property)) { return false; } return true; } public Property getProperty() { return property; } } public static final class AddPropertyTransition extends PropertyTransition { public AddPropertyTransition(Property property) { super(property); } @Override public boolean isDirect() { return true; } } public static final class RemovePropertyTransition extends PropertyTransition { public RemovePropertyTransition(Property property) { super(property); } @Override public boolean isDirect() { return false; } } public static final class ObjectTypeTransition extends Transition { private final ObjectType objectType; public ObjectTypeTransition(ObjectType objectType) { this.objectType = objectType; } public ObjectType getObjectType() { return objectType; } @Override public boolean equals(Object other) { return super.equals(other) && Objects.equals(objectType, ((ObjectTypeTransition) other).objectType); } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + ((objectType == null) ? 0 : objectType.hashCode()); return result; } @Override public boolean isDirect() { return true; } } public static final class ReplacePropertyTransition extends PropertyTransition { private final Property after; public ReplacePropertyTransition(Property before, Property after) { super(before); this.after = after; } public Property getPropertyBefore() { return this.getProperty(); } public Property getPropertyAfter() { return after; } @Override public boolean isDirect() { return false; } } public static final class ReservePrimitiveArrayTransition extends Transition { public ReservePrimitiveArrayTransition() { } @Override public boolean isDirect() { return true; } } public String getShortName() { return this.getClass().getSimpleName().replaceFirst("Transition$", "").toLowerCase(); } }