Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/FunctionRootNode.java @ 13086:096c224171c4
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 20 Nov 2013 00:10:38 +0100 |
parents | 71991b7a0f14 |
children | 652f24858aad |
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/* * Copyright (c) 2012, 2013, 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.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.builtins.*; import com.oracle.truffle.sl.runtime.*; public final class FunctionRootNode extends RootNode { @Child private TypedNode body; private final TypedNode uninitializedBody; private final String name; private final boolean alwaysInline; private FunctionRootNode(TypedNode body, String name, boolean alwaysInline) { super(null); this.uninitializedBody = NodeUtil.cloneNode(body); this.body = adoptChild(body); this.name = name; this.alwaysInline = alwaysInline; } public static CallTarget createBuiltin(SLContext context, NodeFactory<? extends BuiltinNode> factory, String name) { int argumentCount = factory.getExecutionSignature().size(); TypedNode[] arguments = new TypedNode[argumentCount]; for (int i = 0; i < arguments.length; i++) { arguments[i] = new ReadArgumentNode(i); } BuiltinNode buitinBody = factory.createNode(arguments, context); FunctionRootNode root = new FunctionRootNode(buitinBody, name, true); return Truffle.getRuntime().createCallTarget(root); } public static CallTarget createFunction(StatementNode body, FrameDescriptor frameDescriptor, String name, TypedNode returnValue, String[] parameterNames) { FunctionBodyNode bodyContainer = new FunctionBodyNode(frameDescriptor, body, returnValue, parameterNames); FunctionRootNode root = new FunctionRootNode(bodyContainer, name, false); return Truffle.getRuntime().createCallTarget(root, frameDescriptor); } @Override public Object execute(VirtualFrame frame) { return body.executeGeneric(frame); } public boolean isAlwaysInline() { return alwaysInline; } public TypedNode inline(ArgumentsNode clonedArgs) { TypedNode clonedBody = NodeUtil.cloneNode(uninitializedBody); if (clonedBody instanceof BuiltinNode) { return inlineBuiltin(clonedArgs, (BuiltinNode) clonedBody); } else if (clonedBody instanceof FunctionBodyNode) { return inlineFunction(clonedArgs, (FunctionBodyNode) clonedBody); } else { throw new UnsupportedOperationException(); } } private InlinedFunctionNode inlineFunction(ArgumentsNode clonedArgs, FunctionBodyNode clonedBody) { return new InlinedFunctionNode(getCallTarget(), clonedBody, clonedArgs); } private static TypedNode inlineBuiltin(ArgumentsNode clonedArgs, BuiltinNode builtin) { TypedNode[] callerArgs = clonedArgs.getArguments(); TypedNode[] builtinArgs = builtin.getArguments(); for (int i = 0; i < builtinArgs.length; i++) { if (i < callerArgs.length) { builtinArgs[i].replace(callerArgs[i]); } else { builtinArgs[i].replace(new NullLiteralNode()); } } return builtin; } public Node getUninitializedBody() { return uninitializedBody; } @Override public String toString() { return "function " + name; } private static final class InlinedFunctionNode extends TypedNode implements InlinedCallSite { @Child private FunctionBodyNode body; @Child private ArgumentsNode arguments; private final CallTarget callTarget; private final FrameDescriptor frameDescriptor; public InlinedFunctionNode(CallTarget callTarget, FunctionBodyNode body, ArgumentsNode arguments) { this.callTarget = callTarget; this.body = adoptChild(body); this.frameDescriptor = body.getFrameDescriptor(); this.arguments = adoptChild(arguments); } @Override public Object executeGeneric(VirtualFrame frame) { SLArguments args = new SLArguments(arguments.executeArray(frame)); VirtualFrame childFrame = Truffle.getRuntime().createVirtualFrame(frame.pack(), args, frameDescriptor); return body.executeGeneric(childFrame); } public CallTarget getCallTarget() { return callTarget; } } public String getName() { return name; } }