1 /*
2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.tools.nasgen;
27
28 import java.util.Collections;
29 import java.util.HashMap;
30 import java.util.LinkedList;
31 import java.util.List;
32 import java.util.Map;
33 import jdk.internal.org.objectweb.asm.Type;
34 import jdk.nashorn.internal.objects.annotations.Constructor;
35 import jdk.nashorn.internal.objects.annotations.Function;
36 import jdk.nashorn.internal.objects.annotations.Getter;
37 import jdk.nashorn.internal.objects.annotations.Property;
38 import jdk.nashorn.internal.objects.annotations.ScriptClass;
39 import jdk.nashorn.internal.objects.annotations.Setter;
40 import jdk.nashorn.internal.objects.annotations.SpecializedFunction;
41 import jdk.nashorn.internal.objects.annotations.Where;
42 import jdk.nashorn.internal.tools.nasgen.MemberInfo.Kind;
43
44 /**
45 * All annotation information from a class that is annotated with
46 * the annotation com.sun.oracle.objects.annotations.ScriptClass.
47 *
48 */
49 public final class ScriptClassInfo {
50 // descriptots for various annotations
51 static final String SCRIPT_CLASS_ANNO_DESC = Type.getDescriptor(ScriptClass.class);
52 static final String CONSTRUCTOR_ANNO_DESC = Type.getDescriptor(Constructor.class);
53 static final String FUNCTION_ANNO_DESC = Type.getDescriptor(Function.class);
54 static final String GETTER_ANNO_DESC = Type.getDescriptor(Getter.class);
55 static final String SETTER_ANNO_DESC = Type.getDescriptor(Setter.class);
56 static final String PROPERTY_ANNO_DESC = Type.getDescriptor(Property.class);
57 static final String WHERE_ENUM_DESC = Type.getDescriptor(Where.class);
58 static final String SPECIALIZED_FUNCTION = Type.getDescriptor(SpecializedFunction.class);
59 static final String LINK_LOGIC_DESC = "Ljdk/nashorn/internal/objects/annotations/SpecializedFunction$LinkLogic;";
60
61 static final Map<String, Kind> annotations = new HashMap<>();
62
63 static {
64 annotations.put(SCRIPT_CLASS_ANNO_DESC, Kind.SCRIPT_CLASS);
65 annotations.put(FUNCTION_ANNO_DESC, Kind.FUNCTION);
66 annotations.put(CONSTRUCTOR_ANNO_DESC, Kind.CONSTRUCTOR);
67 annotations.put(GETTER_ANNO_DESC, Kind.GETTER);
68 annotations.put(SETTER_ANNO_DESC, Kind.SETTER);
69 annotations.put(PROPERTY_ANNO_DESC, Kind.PROPERTY);
70 annotations.put(SPECIALIZED_FUNCTION, Kind.SPECIALIZED_FUNCTION);
71 }
72
73 // name of the script class
74 private String name;
75 // member info for script properties
76 private List<MemberInfo> members = Collections.emptyList();
77 // java class name that is annotated with @ScriptClass
78 private String javaName;
79
80 /**
81 * @return the name
82 */
83 public String getName() {
84 return name;
85 }
86
87 /**
88 * @param name the name to set
89 */
90 public void setName(final String name) {
91 this.name = name;
92 }
93
94 /**
95 * @return the members
96 */
97 public List<MemberInfo> getMembers() {
98 return Collections.unmodifiableList(members);
99 }
100
101 /**
102 * @param members the members to set
103 */
104 public void setMembers(final List<MemberInfo> members) {
105 this.members = members;
106 }
107
108 MemberInfo getConstructor() {
109 for (final MemberInfo memInfo : members) {
110 if (memInfo.getKind() == Kind.CONSTRUCTOR) {
111 return memInfo;
112 }
113 }
114 return null;
115 }
116
117 List<MemberInfo> getSpecializedConstructors() {
118 final List<MemberInfo> res = new LinkedList<>();
119 for (final MemberInfo memInfo : members) {
120 if (memInfo.isSpecializedConstructor()) {
121 assert memInfo.getKind() == Kind.SPECIALIZED_FUNCTION;
122 res.add(memInfo);
123 }
124 }
125 return Collections.unmodifiableList(res);
126 }
127
128 int getPrototypeMemberCount() {
129 int count = 0;
130 for (final MemberInfo memInfo : members) {
131 if (memInfo.getWhere() == Where.PROTOTYPE || memInfo.isConstructor()) {
132 count++;
133 }
134 }
135 return count;
136 }
137
138 int getConstructorMemberCount() {
139 int count = 0;
140 for (final MemberInfo memInfo : members) {
141 if (memInfo.getWhere() == Where.CONSTRUCTOR) {
142 count++;
143 }
144 }
145 return count;
146 }
147
148 int getInstancePropertyCount() {
149 int count = 0;
150 for (final MemberInfo memInfo : members) {
151 if (memInfo.getWhere() == Where.INSTANCE) {
152 count++;
153 }
154 }
155 return count;
156 }
157
158 MemberInfo find(final String findJavaName, final String findJavaDesc, final int findAccess) {
159 for (final MemberInfo memInfo : members) {
160 if (memInfo.getJavaName().equals(findJavaName) &&
161 memInfo.getJavaDesc().equals(findJavaDesc) &&
162 memInfo.getJavaAccess() == findAccess) {
163 return memInfo;
164 }
165 }
166 return null;
167 }
168
169 List<MemberInfo> findSpecializations(final String methodName) {
170 final List<MemberInfo> res = new LinkedList<>();
171 for (final MemberInfo memInfo : members) {
172 if (memInfo.getName().equals(methodName) &&
173 memInfo.getKind() == Kind.SPECIALIZED_FUNCTION) {
174 res.add(memInfo);
175 }
176 }
177 return Collections.unmodifiableList(res);
178 }
179
180 MemberInfo findSetter(final MemberInfo getter) {
181 assert getter.getKind() == Kind.GETTER : "getter expected";
182 final String getterName = getter.getName();
183 final Where getterWhere = getter.getWhere();
184 for (final MemberInfo memInfo : members) {
185 if (memInfo.getKind() == Kind.SETTER &&
186 getterName.equals(memInfo.getName()) &&
187 getterWhere == memInfo.getWhere()) {
188 return memInfo;
189 }
190 }
191 return null;
192 }
193
194 /**
195 * @return the javaName
196 */
197 public String getJavaName() {
198 return javaName;
199 }
200
201 /**
202 * @param javaName the javaName to set
203 */
204 void setJavaName(final String javaName) {
205 this.javaName = javaName;
206 }
207
208 String getConstructorClassName() {
209 return getJavaName() + StringConstants.CONSTRUCTOR_SUFFIX;
210 }
211
212 String getPrototypeClassName() {
213 return getJavaName() + StringConstants.PROTOTYPE_SUFFIX;
214 }
215
216 void verify() {
217 boolean constructorSeen = false;
218 for (final MemberInfo memInfo : getMembers()) {
219 if (memInfo.isConstructor()) {
220 if (constructorSeen) {
221 error("more than @Constructor method");
222 }
223 constructorSeen = true;
224 }
225 try {
226 memInfo.verify();
227 } catch (final Exception e) {
228 error(e.getMessage());
229 }
230 }
231 }
232
233 private void error(final String msg) throws RuntimeException {
234 throw new RuntimeException(javaName + " : " + msg);
235 }
236 }