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view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLRootNode.java @ 21154:271eee87201c
Update readme and changelog
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Wed, 29 Apr 2015 15:27:00 +0200 |
parents | e3c95cbbb50c |
children |
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/* * Copyright (c) 2012, 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.sl.nodes; import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.builtins.*; import com.oracle.truffle.sl.nodes.controlflow.*; import com.oracle.truffle.sl.runtime.*; /** * The root of all SL execution trees. It is a Truffle requirement that the tree root extends the * class {@link RootNode}. This class is used for both builtin and user-defined functions. For * builtin functions, the {@link #bodyNode} is a subclass of {@link SLBuiltinNode}. For user-defined * functions, the {@link #bodyNode} is a {@link SLFunctionBodyNode}. */ @NodeInfo(language = "Simple Language", description = "The root of all Simple Language execution trees") public final class SLRootNode extends RootNode { /** The function body that is executed, and specialized during execution. */ @Child private SLExpressionNode bodyNode; /** The name of the function, for printing purposes only. */ private final String name; /** The Simple execution context for this tree. **/ private final SLContext context; @CompilationFinal private boolean isCloningAllowed; public SLRootNode(SLContext context, FrameDescriptor frameDescriptor, SLExpressionNode bodyNode, String name) { super(null, frameDescriptor); this.bodyNode = bodyNode; this.name = name; this.context = context; } @Override public Object execute(VirtualFrame frame) { return bodyNode.executeGeneric(frame); } public String getName() { return name; } public void setCloningAllowed(boolean isCloningAllowed) { this.isCloningAllowed = isCloningAllowed; } public SLExpressionNode getBodyNode() { return bodyNode; } @Override public boolean isCloningAllowed() { return isCloningAllowed; } @Override public void applyInstrumentation() { Probe.applyASTProbers(bodyNode); } @Override public String toString() { return "root " + name; } public SLContext getSLContext() { return this.context; } @Override public ExecutionContext getExecutionContext() { return this.context; } }