GlobalVariable


1   /*******************************************************************************
2    * Copyright (c) 2000, 2006 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.jdt.internal.eval;
12  
13  /**
14   * A global variable is a variable defined for an evaluation context and that persists
15   * accross evaluations.
16   */
17  public class GlobalVariable {
18      char[] typeName;
19      char[] name;
20      char[] initializer;
21      int declarationStart = -1, initializerStart = -1, initExpressionStart; // positions in the global variable class definition
22      int initializerLineStart = -1; // line in the global variable class definition
23  /**
24   * Creates a new global variable with the given type name, name and initializer.
25   * initializer can be null if there is none.
26   */
27  public GlobalVariable(char[] typeName, char[] name, char[] initializer) {
28      this.typeName = typeName;
29      this.name = name;
30      this.initializer = initializer;
31  }
32  /**
33   * Returns the initializer of this global variable. The initializer is a
34   * variable initializer (ie. an expression or an array initializer) as defined 
35   * in the Java Language Specifications.
36   */
37  public char[] getInitializer() {
38      return this.initializer;
39  }
40  /**
41   * Returns the name of this global variable.
42   */
43  public char[] getName() {
44      return this.name;
45  }
46  /**
47   * Returns the dot separated fully qualified name of the type of this global variable,
48   * or its simple representation if it is a primitive type (eg. int, boolean, etc.)
49   */
50  public char[] getTypeName() {
51      return this.typeName;
52  }
53  /**
54   * Returns a readable representation of the receiver.
55   * This is for debugging purpose only.
56   */
57  public String   toString() {
58      StringBuffer   buffer = new StringBuffer  ();
59      buffer.append(this.typeName);
60      buffer.append(" "); //$NON-NLS-1$
61      buffer.append(this.name);
62      if (this.initializer != null) {
63          buffer.append("= "); //$NON-NLS-1$
64          buffer.append(this.initializer);
65      }
66      buffer.append(";"); //$NON-NLS-1$
67      return buffer.toString();
68  }
69  }
70
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