Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/MethodDefinitionNode.java @ 13529:856c2c294f84
Merge.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Tue, 07 Jan 2014 18:53:04 +0100 |
parents | 0fbee3eb71f0 |
children | f29a358cf3da |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/MethodDefinitionNode.java Tue Jan 07 18:53:04 2014 +0100 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This + * code is released under a tri EPL/GPL/LGPL license. You can use it, + * redistribute it and/or modify it under the terms of the: + * + * Eclipse Public License version 1.0 + * GNU General Public License version 2 + * GNU Lesser General Public License version 2.1 + */ +package com.oracle.truffle.ruby.nodes.methods; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; +import com.oracle.truffle.ruby.nodes.*; +import com.oracle.truffle.ruby.runtime.*; +import com.oracle.truffle.ruby.runtime.core.*; +import com.oracle.truffle.ruby.runtime.methods.*; + +/** + * Define a method. That is, store the definition of a method and when executed produce the + * executable object that results. + */ +@NodeInfo(shortName = "method-def") +public class MethodDefinitionNode extends RubyNode { + + protected final String name; + protected final UniqueMethodIdentifier uniqueIdentifier; + + protected final FrameDescriptor frameDescriptor; + protected final RubyRootNode pristineRootNode; + + protected final CallTarget callTarget; + + protected final boolean requiresDeclarationFrame; + + public MethodDefinitionNode(RubyContext context, SourceSection sourceSection, String name, UniqueMethodIdentifier uniqueIdentifier, FrameDescriptor frameDescriptor, + boolean requiresDeclarationFrame, RubyRootNode pristineRootNode, CallTarget callTarget) { + super(context, sourceSection); + this.name = name; + this.uniqueIdentifier = uniqueIdentifier; + this.frameDescriptor = frameDescriptor; + this.requiresDeclarationFrame = requiresDeclarationFrame; + this.pristineRootNode = pristineRootNode; + this.callTarget = callTarget; + } + + public RubyMethod executeMethod(VirtualFrame frame) { + CompilerDirectives.transferToInterpreter(); + + MaterializedFrame declarationFrame; + + if (requiresDeclarationFrame) { + declarationFrame = frame.materialize(); + } else { + declarationFrame = null; + } + + final FrameSlot visibilitySlot = frame.getFrameDescriptor().findFrameSlot(RubyModule.VISIBILITY_FRAME_SLOT_ID); + + Visibility visibility; + + if (visibilitySlot == null) { + visibility = Visibility.PUBLIC; + } else { + Object visibilityObject; + + try { + visibilityObject = frame.getObject(visibilitySlot); + } catch (FrameSlotTypeException e) { + throw new RuntimeException(e); + } + + if (visibilityObject instanceof Visibility) { + visibility = (Visibility) visibilityObject; + } else { + visibility = Visibility.PUBLIC; + } + } + + final InlinableMethodImplementation methodImplementation = new InlinableMethodImplementation(callTarget, declarationFrame, frameDescriptor, pristineRootNode, false, false); + return new RubyMethod(getSourceSection(), null, uniqueIdentifier, null, name, visibility, false, methodImplementation); + } + + @Override + public Object execute(VirtualFrame frame) { + return executeMethod(frame); + } + +}