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1
32 package org.jruby.runtime;
33
34 import org.jruby.Ruby;
35 import org.jruby.runtime.builtin.IRubyObject;
36
37 public class GlobalVariable {
38 public static class Copy extends GlobalVariable {
39 private GlobalVariable other;
40
41 public Copy(Ruby runtime, String  name, GlobalVariable other) {
42 super(runtime, name, other.get());
43 this.other = other;
44 }
45
46 public IRubyObject get() {
47 return other.get();
48 }
49
50 public IRubyObject set(IRubyObject value) {
51 return other.set(value);
52 }
53 }
54
55 protected final Ruby runtime;
56
57 private final String name;
58 private IRubyObject value;
59
60 public static String variableName(String name) {
61 return "$" + name;
62 }
63
64 public GlobalVariable(Ruby runtime, String name, IRubyObject value) {
65 assert name.startsWith("$");
66
67 this.runtime = runtime;
68 this.name = name;
69 this.value = value;
70 }
71
72 public String name() {
73 return name;
74 }
75
76 public IRubyObject get() {
77 return value;
78 }
79
80 public IRubyObject set(IRubyObject value) {
81 this.value = value;
82 return value;
83 }
84 }
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