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1
24
25 package org.aspectj.compiler.base.ast;
26
27 import org.aspectj.compiler.base.*;
28 import java.util.*;
29
30
33
34 public class InterfaceDec extends TypeDec {
35 public String  getKind() { return "interface"; }
36
37 public Type getSuperClassType() {
38 return getTypeManager().getObjectType();
39 }
40
41 public boolean isAnonymous() { return false; }
42
43 public void checkSpec() {
44 if (isLocal()) {
45 showError("interface may not be defined in code body");
46 }
47 super.checkSpec();
48 }
49
50
51 protected void addFieldDec(FieldDec fieldDec) {
52 if (fieldDec.fromSource()) {
53 fieldDec.getModifiers().setPublic(true);
54 fieldDec.getModifiers().setStatic(true);
55 fieldDec.getModifiers().setFinal(true);
56 }
57 super.addFieldDec(fieldDec);
58 }
59
60 protected void addMethodDec(MethodDec methodDec) {
61 if (methodDec.fromSource()) {
62 methodDec.getModifiers().setPublic(true);
63 methodDec.getModifiers().setAbstract(true);
64 }
65 super.addMethodDec(methodDec);
66 }
67
68 protected void addTypeDec(TypeDec typeDec) {
69 if (typeDec.fromSource()) {
70 typeDec.getModifiers().setPublic(true);
71 typeDec.getModifiers().setStatic(true);
72 }
73 super.addTypeDec(typeDec);
74 }
75
76
77 protected void addInitializerDec(InitializerDec dec) {
78 if (dec.fromSource()) {
79 dec.showError("initializer not allowed in interface");
80 }
81 super.addInitializerDec(dec);
82 }
83
84
88 public void addToHelperClass(Dec dec) {
89 ClassDec helper = getHelperClass();
90 dec.setDeclaringType(helper.getType());
91 helper.getBody().add(dec);
92 }
93
94 static final String HELPER_CLASS_NAME = "AJC_HELPER_CLASS";
95 ClassDec getHelperClass() {
96 Decs body = getBody();
97 for (int i = 0; i<body.size(); i++) {
98 if (isHelperClass(body.get(i))) return (ClassDec)body.get(i);
99 }
100 ClassDec helper = makeHelperClass();
101 body.add(helper);
102
103 return helper;
104 }
105
106 public static boolean isHelperClass(Dec dec) {
107 return dec != null && dec instanceof ClassDec && dec.getName().equals(HELPER_CLASS_NAME);
108 }
109
110 ClassDec makeHelperClass() {
111 final AST ast = getAST();
112 ClassDec ret = ast.makeClass(ast.makeModifiers(Modifiers.PUBLIC|Modifiers.STATIC),
113 HELPER_CLASS_NAME, getTypeManager().getObjectType().makeTypeD(),
114 ast.makeTypeDs());
115 ret.setEnclosingTypeDec(this);
116
117 FieldDec ref1 = ast.makeField(ast.makeModifiers(Modifiers.PRIVATE|Modifiers.FINAL|Modifiers.STATIC),
120 getTypeManager().getObjectType(), "AJC_INNER_REF");
121 FieldDec ref2 = ast.makeField(ast.makeModifiers(Modifiers.PUBLIC|Modifiers.FINAL|Modifiers.STATIC),
122 getTypeManager().getObjectType(), "AJC_OUTER_REF");
123 ret.getBody().add(ref1);
124 getBody().add(ref2);
125 ref1.setInitializer(ast.makeGet(ref2.getField()));
126 ref2.setInitializer(ast.makeGet(ref1.getField()));
127 return ret;
128 }
129
130 public void unparse(CodeWriter writer) {
131 writer.write(modifiers);
132 writer.writeKeyword("interface");
133 writer.requiredSpace();
134 writer.write(id);
135
136 writeNames(writer, "extends", superInterfaces);
137
138 if (!writer.isOnlySignatures()) {
139 writer.optionalSpace();
140 writer.openBlock();
141 writer.write(body);
142 writer.closeBlock();
143 }
144 }
145
146 public boolean isStatic() {
147 return true;
148 }
149
150
153 public ASTObject postCleanup(ByteCodeCleanupPass walker) {
154 final int len = getBody().size();
155 for (int i = 0; i < len; i++ ) {
156 Dec dec = getBody().get(i);
157 Modifiers m = dec.getModifiers();
158 if (dec instanceof FieldDec) {
159 m.setPublic(true);
160 m.setStatic(true);
161 m.setFinal(true);
162 } else if (dec instanceof MethodDec) {
163 m.setPublic(true);
164 m.setAbstract(true);
165 }
166 }
167 return this;
168 }
169
170
173 public ASTObject postAssignmentCheck(AssignmentCheckerPass walker) {
174 return this;
175 }
176
177
179 public InterfaceDec(SourceLocation location, Modifiers _modifiers, String _id, TypeDs _superInterfaces, Decs _body) {
180 super(location, _modifiers, _id, _superInterfaces, _body);
181
182 }
183 protected InterfaceDec(SourceLocation source) {
184 super(source);
185 }
186
187 public ASTObject copyWalk(CopyWalker walker) {
188 InterfaceDec ret = new InterfaceDec(getSourceLocation());
189 ret.preCopy(walker, this);
190 if (modifiers != null) ret.setModifiers( (Modifiers)walker.process(modifiers) );
191 ret.id = id;
192 if (superInterfaces != null) ret.setSuperInterfaces( (TypeDs)walker.process(superInterfaces) );
193 if (body != null) ret.setBody( (Decs)walker.process(body) );
194 return ret;
195 }
196
197
198 public String getDefaultDisplayName() {
199 return "InterfaceDec(id: "+id+")";
200 }
201
202 }
204 |
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