|
13514
|
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.runtime;
|
|
|
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.runtime.core.*;
|
|
|
16
|
|
|
17 /**
|
|
|
18 * Arguments and other context passed to a Ruby method. Includes the central Ruby context object,
|
|
|
19 * optionally the scope at the point of declaration (forming a closure), the value of self, a passed
|
|
|
20 * block, and the formal arguments.
|
|
|
21 */
|
|
|
22 public final class RubyArguments extends Arguments {
|
|
|
23
|
|
|
24 private final MaterializedFrame declarationFrame;
|
|
|
25 private final Object self;
|
|
|
26 private final RubyProc block;
|
|
|
27 private final Object[] arguments;
|
|
|
28
|
|
|
29 public RubyArguments(MaterializedFrame declarationFrame, Object self, RubyProc block, Object... arguments) {
|
|
|
30 assert self != null;
|
|
|
31 assert arguments != null;
|
|
|
32
|
|
|
33 this.declarationFrame = declarationFrame;
|
|
|
34 this.self = self;
|
|
|
35 this.block = block;
|
|
|
36 this.arguments = arguments;
|
|
|
37 }
|
|
|
38
|
|
|
39 public MaterializedFrame getDeclarationFrame() {
|
|
|
40 return declarationFrame;
|
|
|
41 }
|
|
|
42
|
|
|
43 /**
|
|
|
44 * Get the declaration frame a certain number of levels up from the current frame, where the
|
|
|
45 * current frame is 0.
|
|
|
46 */
|
|
|
47 public static MaterializedFrame getDeclarationFrame(VirtualFrame frame, int level) {
|
|
|
48 assert level > 0;
|
|
|
49
|
|
|
50 MaterializedFrame parentFrame = frame.getArguments(RubyArguments.class).getDeclarationFrame();
|
|
|
51 return getDeclarationFrame(parentFrame, level - 1);
|
|
|
52 }
|
|
|
53
|
|
|
54 /**
|
|
|
55 * Get the declaration frame a certain number of levels up from the current frame, where the
|
|
|
56 * current frame is 0.
|
|
|
57 */
|
|
|
58 @ExplodeLoop
|
|
|
59 private static MaterializedFrame getDeclarationFrame(MaterializedFrame frame, int level) {
|
|
|
60 assert frame != null;
|
|
|
61 assert level >= 0;
|
|
|
62
|
|
|
63 MaterializedFrame parentFrame = frame;
|
|
|
64
|
|
|
65 for (int n = 0; n < level; n++) {
|
|
|
66 parentFrame = parentFrame.getArguments(RubyArguments.class).getDeclarationFrame();
|
|
|
67 }
|
|
|
68
|
|
|
69 return parentFrame;
|
|
|
70 }
|
|
|
71
|
|
|
72 public Object getSelf() {
|
|
|
73 return self;
|
|
|
74 }
|
|
|
75
|
|
|
76 public RubyProc getBlock() {
|
|
|
77 return block;
|
|
|
78 }
|
|
|
79
|
|
|
80 public Object[] getArguments() {
|
|
|
81 return arguments;
|
|
|
82 }
|
|
|
83
|
|
|
84 }
|
