Mercurial > hg > truffle
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionDefinitionNode.java @ 7292:213c1297a814
Simple Language: A simple dynamic programming language to demonstrate Truffle features
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Fri, 21 Dec 2012 10:45:37 -0800 |
parents | |
children | 31da1716950f |
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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.sl.nodes; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.types.*; public class FunctionDefinitionNode extends RootNode { private final FrameDescriptor frameDescriptor; private final String name; @Child private StatementNode body; @Child private TypedNode returnValue; public FunctionDefinitionNode(StatementNode body, FrameDescriptor frameDescriptor, String name, TypedNode returnValue) { this.body = adoptChild(body); this.frameDescriptor = frameDescriptor; this.name = name; this.returnValue = adoptChild(returnValue); } @Override public Object execute(VirtualFrame frame) { try { body.executeVoid(frame); } catch (ReturnException ex) { // Nothing to do, we just need to return. } if (returnValue != null) { return returnValue.executeGeneric(frame); } else { return null; } } public FrameDescriptor getFrameDescriptor() { return frameDescriptor; } @Override public String toString() { return "Function " + name + "@" + Integer.toHexString(hashCode()); } }