Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/call/DispatchNode.java @ 13529:856c2c294f84
Merge.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Tue, 07 Jan 2014 18:53:04 +0100 |
parents | 0fbee3eb71f0 |
children |
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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/call/DispatchNode.java Tue Jan 07 18:53:04 2014 +0100 @@ -0,0 +1,87 @@ +/* + * 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; + } + +}