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Java > Open Source Codes > net > sourceforge > pmd > symboltable > DummyScope


1 package net.sourceforge.pmd.symboltable;
2
3 import java.util.HashMap JavaDoc;
4 import java.util.Map JavaDoc;
5
6 /**
7  * Implementation of Scope for source types that are simpler than java sources.
8  * It implements the methods only when necessary not to break at runtime
9  * when Violations are handled.
10  *
11  * @author pieter_van_raemdonck - Application Engineers NV/SA - www.ae.be
12  */
13 public class DummyScope implements Scope {
14     private Map JavaDoc emptyMap = new HashMap JavaDoc();
15
16     private Scope parent;
17
18     public Map JavaDoc getVariableDeclarations() {
19         return emptyMap;
20     }
21
22     public Map JavaDoc getClassDeclarations() {
23         return emptyMap;
24     }
25
26     public void addDeclaration(ClassNameDeclaration decl) {
27     }
28
29     public void addDeclaration(VariableNameDeclaration decl) {
30     }
31
32     public void addDeclaration(MethodNameDeclaration decl) {
33     }
34
35     public boolean contains(NameOccurrence occ) {
36         return false;
37     }
38
39     public NameDeclaration addVariableNameOccurrence(NameOccurrence occ) {
40         return null;
41     }
42
43     public void setParent(Scope parent) {
44         this.parent = parent;
45     }
46
47     public Scope getParent() {
48         return parent;
49     }
50
51     public ClassScope getEnclosingClassScope() {
52         return new ClassScope();
53     }
54
55     public SourceFileScope getEnclosingSourceFileScope() {
56         return new SourceFileScope();
57     }
58
59     public MethodScope getEnclosingMethodScope() {
60         return null;
61     }
62
63 }
64
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