Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/DispatchNode.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 | 0fbee3eb71f0 |
children |
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/* * 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.call; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.ruby.runtime.*; import com.oracle.truffle.ruby.runtime.control.*; import com.oracle.truffle.ruby.runtime.core.*; import com.oracle.truffle.ruby.runtime.methods.*; import com.oracle.truffle.ruby.runtime.objects.*; /** * Any node in the dispatch chain. */ public class DispatchNode extends Node { private final RubyContext context; public DispatchNode(RubyContext context, SourceSection sourceSection) { super(sourceSection); assert context != null; assert sourceSection != null; this.context = context; } /** * Get the depth of this node in the dispatch chain. The first node below * {@link DispatchHeadNode} is at depth 1. */ public int getDepth() { int depth = 1; Node parent = this.getParent(); while (!(parent instanceof DispatchHeadNode)) { parent = parent.getParent(); depth++; } return depth; } public Object respecialize(String reason, VirtualFrame frame, Object receiverObject, RubyProc blockObject, Object... argumentsObjects) { CompilerAsserts.neverPartOfCompilation(); final int depth = getDepth(); final DispatchHeadNode head = (DispatchHeadNode) NodeUtil.getNthParent(this, depth); return head.respecialize(frame, reason, receiverObject, blockObject, argumentsObjects); } /** * The central point for method lookup. */ protected RubyMethod lookup(VirtualFrame frame, RubyBasicObject receiverBasicObject, String name) { final RubyMethod method = receiverBasicObject.getLookupNode().lookupMethod(name); final RubyBasicObject self = context.getCoreLibrary().box(frame.getArguments(RubyArguments.class).getSelf()); if (method == null || method.isUndefined()) { CompilerDirectives.transferToInterpreter(); throw new RaiseException(context.getCoreLibrary().nameErrorNoMethod(name, receiverBasicObject.toString())); } if (!method.isVisibleTo(self)) { CompilerDirectives.transferToInterpreter(); throw new RaiseException(context.getCoreLibrary().noMethodError(name, receiverBasicObject.toString())); } return method; } public RubyContext getContext() { return context; } }