Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/GuardExpression.java @ 19289:62c43fcf5be2
Truffle-DSL: implement @Cached and fixes for the new guard expression syntax.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 03 Feb 2015 15:07:07 +0100 |
parents | 08aa0372dad4 |
children |
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/* * Copyright (c) 2012, 2012, 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.dsl.processor.model; import java.util.*; import javax.lang.model.element.*; import com.oracle.truffle.dsl.processor.expression.*; import com.oracle.truffle.dsl.processor.expression.DSLExpression.Negate; import com.oracle.truffle.dsl.processor.java.*; public final class GuardExpression extends MessageContainer { private final TemplateMethod source; private final DSLExpression expression; public GuardExpression(TemplateMethod source, DSLExpression expression) { this.source = source; this.expression = expression; } @Override public Element getMessageElement() { return source.getMessageElement(); } @Override public AnnotationMirror getMessageAnnotation() { return source.getMessageAnnotation(); } @Override public AnnotationValue getMessageAnnotationValue() { return ElementUtils.getAnnotationValue(getMessageAnnotation(), "guards"); } public DSLExpression getExpression() { return expression; } public boolean equalsNegated(GuardExpression other) { boolean negated = false; DSLExpression thisExpression = expression; if (thisExpression instanceof Negate) { negated = true; thisExpression = ((Negate) thisExpression).getReceiver(); } boolean otherNegated = false; DSLExpression otherExpression = other.expression; if (otherExpression instanceof Negate) { otherNegated = true; otherExpression = ((Negate) otherExpression).getReceiver(); } return Objects.equals(thisExpression, otherExpression) && negated != otherNegated; } public boolean implies(GuardExpression other) { if (Objects.equals(expression, other.expression)) { return true; } return false; } }