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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/methods/MethodDefinitionNode.java @ 13514:0fbee3eb71f0

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Ruby: import project.
author Chris Seaton <chris.seaton@oracle.com>
date Mon, 06 Jan 2014 17:12:09 +0000
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children f29a358cf3da
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13513:64a23ce736a0 13514:0fbee3eb71f0
1 /*
2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
4 * redistribute it and/or modify it under the terms of the:
5 *
6 * Eclipse Public License version 1.0
7 * GNU General Public License version 2
8 * GNU Lesser General Public License version 2.1
9 */
10 package com.oracle.truffle.ruby.nodes.methods;
11
12 import com.oracle.truffle.api.*;
13 import com.oracle.truffle.api.frame.*;
14 import com.oracle.truffle.api.nodes.*;
15 import com.oracle.truffle.ruby.nodes.*;
16 import com.oracle.truffle.ruby.runtime.*;
17 import com.oracle.truffle.ruby.runtime.core.*;
18 import com.oracle.truffle.ruby.runtime.methods.*;
19
20 /**
21 * Define a method. That is, store the definition of a method and when executed produce the
22 * executable object that results.
23 */
24 @NodeInfo(shortName = "method-def")
25 public class MethodDefinitionNode extends RubyNode {
26
27 protected final String name;
28 protected final UniqueMethodIdentifier uniqueIdentifier;
29
30 protected final FrameDescriptor frameDescriptor;
31 protected final RubyRootNode pristineRootNode;
32
33 protected final CallTarget callTarget;
34
35 protected final boolean requiresDeclarationFrame;
36
37 public MethodDefinitionNode(RubyContext context, SourceSection sourceSection, String name, UniqueMethodIdentifier uniqueIdentifier, FrameDescriptor frameDescriptor,
38 boolean requiresDeclarationFrame, RubyRootNode pristineRootNode, CallTarget callTarget) {
39 super(context, sourceSection);
40 this.name = name;
41 this.uniqueIdentifier = uniqueIdentifier;
42 this.frameDescriptor = frameDescriptor;
43 this.requiresDeclarationFrame = requiresDeclarationFrame;
44 this.pristineRootNode = pristineRootNode;
45 this.callTarget = callTarget;
46 }
47
48 public RubyMethod executeMethod(VirtualFrame frame) {
49 CompilerDirectives.transferToInterpreter();
50
51 MaterializedFrame declarationFrame;
52
53 if (requiresDeclarationFrame) {
54 declarationFrame = frame.materialize();
55 } else {
56 declarationFrame = null;
57 }
58
59 final FrameSlot visibilitySlot = frame.getFrameDescriptor().findFrameSlot(RubyModule.VISIBILITY_FRAME_SLOT_ID);
60
61 Visibility visibility;
62
63 if (visibilitySlot == null) {
64 visibility = Visibility.PUBLIC;
65 } else {
66 Object visibilityObject;
67
68 try {
69 visibilityObject = frame.getObject(visibilitySlot);
70 } catch (FrameSlotTypeException e) {
71 throw new RuntimeException(e);
72 }
73
74 if (visibilityObject instanceof Visibility) {
75 visibility = (Visibility) visibilityObject;
76 } else {
77 visibility = Visibility.PUBLIC;
78 }
79 }
80
81 final InlinableMethodImplementation methodImplementation = new InlinableMethodImplementation(callTarget, declarationFrame, frameDescriptor, pristineRootNode, false, false);
82 return new RubyMethod(getSourceSection(), null, uniqueIdentifier, null, name, visibility, false, methodImplementation);
83 }
84
85 @Override
86 public Object execute(VirtualFrame frame) {
87 return executeMethod(frame);
88 }
89
90 }