Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/MethodDefinitionNode.java @ 13792:9e7acc9cad8e
kill unused frame states when loop exits are removed
thanks to Gilles
author | Andreas Woess <andreas.woess@jku.at> |
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date | Tue, 28 Jan 2014 23:38:22 +0100 |
parents | 62bfc12dc9e1 |
children |
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/* * Copyright (c) 2013, 2014 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); } public String getName() { return name; } public CallTarget getCallTarget() { return callTarget; } }