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comparison graal/com.oracle.truffle.ruby.nodes/src/com/oracle/truffle/ruby/nodes/core/SymbolNodes.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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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.core;
11
12 import com.oracle.truffle.api.*;
13 import com.oracle.truffle.api.dsl.*;
14 import com.oracle.truffle.ruby.runtime.*;
15 import com.oracle.truffle.ruby.runtime.core.*;
16
17 @CoreClass(name = "Symbol")
18 public abstract class SymbolNodes {
19
20 @CoreMethod(names = {"==", "==="}, minArgs = 1, maxArgs = 1)
21 public abstract static class EqualNode extends CoreMethodNode {
22
23 public EqualNode(RubyContext context, SourceSection sourceSection) {
24 super(context, sourceSection);
25 }
26
27 public EqualNode(EqualNode prev) {
28 super(prev);
29 }
30
31 @Specialization
32 public boolean equal(@SuppressWarnings("unused") RubyString a, @SuppressWarnings("unused") NilPlaceholder b) {
33 return false;
34 }
35
36 @Specialization
37 public boolean equal(RubySymbol a, RubySymbol b) {
38 return a.toString().equals(b.toString());
39 }
40
41 @Specialization
42 public boolean equal(RubySymbol a, RubyString b) {
43 return a.toString().equals(b.toString());
44 }
45
46 @Specialization
47 public boolean equal(RubySymbol a, int b) {
48 return a.toString().equals(Integer.toString(b));
49 }
50
51 }
52
53 @CoreMethod(names = "empty?", maxArgs = 0)
54 public abstract static class EmptyNode extends CoreMethodNode {
55
56 public EmptyNode(RubyContext context, SourceSection sourceSection) {
57 super(context, sourceSection);
58 }
59
60 public EmptyNode(EmptyNode prev) {
61 super(prev);
62 }
63
64 @Specialization
65 public boolean empty(RubySymbol symbol) {
66 return symbol.toString().isEmpty();
67 }
68
69 }
70
71 @CoreMethod(names = "to_proc", maxArgs = 0)
72 public abstract static class ToProcNode extends CoreMethodNode {
73
74 public ToProcNode(RubyContext context, SourceSection sourceSection) {
75 super(context, sourceSection);
76 }
77
78 public ToProcNode(ToProcNode prev) {
79 super(prev);
80 }
81
82 @Specialization
83 public RubyProc toProc(RubySymbol symbol) {
84 // TODO(CS): this should be doing all kinds of caching
85 return symbol.toProc();
86 }
87 }
88
89 @CoreMethod(names = "to_sym", maxArgs = 0)
90 public abstract static class ToSymNode extends CoreMethodNode {
91
92 public ToSymNode(RubyContext context, SourceSection sourceSection) {
93 super(context, sourceSection);
94 }
95
96 public ToSymNode(ToSymNode prev) {
97 super(prev);
98 }
99
100 @Specialization
101 public RubySymbol toSym(RubySymbol symbol) {
102 return symbol;
103 }
104
105 }
106
107 }