jaroslav@1170
|
1 |
/**
|
jaroslav@1170
|
2 |
* Back 2 Browser Bytecode Translator
|
jaroslav@1170
|
3 |
* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
|
jaroslav@1170
|
4 |
*
|
jaroslav@1170
|
5 |
* This program is free software: you can redistribute it and/or modify
|
jaroslav@1170
|
6 |
* it under the terms of the GNU General Public License as published by
|
jaroslav@1170
|
7 |
* the Free Software Foundation, version 2 of the License.
|
jaroslav@1170
|
8 |
*
|
jaroslav@1170
|
9 |
* This program is distributed in the hope that it will be useful,
|
jaroslav@1170
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
jaroslav@1170
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
jaroslav@1170
|
12 |
* GNU General Public License for more details.
|
jaroslav@1170
|
13 |
*
|
jaroslav@1170
|
14 |
* You should have received a copy of the GNU General Public License
|
jaroslav@1170
|
15 |
* along with this program. Look for COPYING file in the top folder.
|
jaroslav@1170
|
16 |
* If not, see http://opensource.org/licenses/GPL-2.0.
|
jaroslav@1170
|
17 |
*/
|
jaroslav@1170
|
18 |
package org.apidesign.bck2brwsr.launcher.fximpl;
|
jaroslav@1170
|
19 |
|
jaroslav@1170
|
20 |
import java.io.IOException;
|
jaroslav@1170
|
21 |
import java.io.InputStream;
|
jaroslav@1170
|
22 |
import java.net.URL;
|
jaroslav@1170
|
23 |
import java.util.ArrayList;
|
jaroslav@1175
|
24 |
import java.util.Enumeration;
|
jaroslav@1170
|
25 |
import java.util.List;
|
jaroslav@1170
|
26 |
import org.objectweb.asm.AnnotationVisitor;
|
jaroslav@1170
|
27 |
import org.objectweb.asm.ClassReader;
|
jaroslav@1170
|
28 |
import org.objectweb.asm.ClassVisitor;
|
jaroslav@1170
|
29 |
import org.objectweb.asm.ClassWriter;
|
jaroslav@1170
|
30 |
import org.objectweb.asm.Label;
|
jaroslav@1170
|
31 |
import org.objectweb.asm.MethodVisitor;
|
jaroslav@1170
|
32 |
import org.objectweb.asm.Opcodes;
|
jaroslav@1170
|
33 |
import org.objectweb.asm.Type;
|
jaroslav@1172
|
34 |
import org.objectweb.asm.signature.SignatureReader;
|
jaroslav@1172
|
35 |
import org.objectweb.asm.signature.SignatureVisitor;
|
jaroslav@1170
|
36 |
|
jaroslav@1170
|
37 |
/**
|
jaroslav@1170
|
38 |
*
|
jaroslav@1170
|
39 |
* @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
|
jaroslav@1170
|
40 |
*/
|
jaroslav@1174
|
41 |
abstract class JsClassLoader extends ClassLoader {
|
jaroslav@1174
|
42 |
JsClassLoader(ClassLoader parent) {
|
jaroslav@1174
|
43 |
super(parent);
|
jaroslav@1170
|
44 |
}
|
jaroslav@1174
|
45 |
|
jaroslav@1174
|
46 |
@Override
|
jaroslav@1174
|
47 |
protected abstract URL findResource(String name);
|
jaroslav@1175
|
48 |
|
jaroslav@1175
|
49 |
@Override
|
jaroslav@1175
|
50 |
protected abstract Enumeration<URL> findResources(String name);
|
jaroslav@1170
|
51 |
|
jaroslav@1170
|
52 |
@Override
|
jaroslav@1170
|
53 |
protected Class<?> findClass(String name) throws ClassNotFoundException {
|
jaroslav@1179
|
54 |
if (name.startsWith("javafx")) {
|
jaroslav@1179
|
55 |
return Class.forName(name);
|
jaroslav@1179
|
56 |
}
|
jaroslav@1179
|
57 |
if (name.startsWith("netscape")) {
|
jaroslav@1179
|
58 |
return Class.forName(name);
|
jaroslav@1179
|
59 |
}
|
jaroslav@1179
|
60 |
if (name.startsWith("com.sun")) {
|
jaroslav@1179
|
61 |
return Class.forName(name);
|
jaroslav@1179
|
62 |
}
|
jaroslav@1179
|
63 |
if (name.equals(JsClassLoader.class.getName())) {
|
jaroslav@1179
|
64 |
return JsClassLoader.class;
|
jaroslav@1179
|
65 |
}
|
jaroslav@1179
|
66 |
if (name.equals(Fn.class.getName())) {
|
jaroslav@1179
|
67 |
return Fn.class;
|
jaroslav@1179
|
68 |
}
|
jaroslav@1170
|
69 |
URL u = findResource(name.replace('.', '/') + ".class");
|
jaroslav@1170
|
70 |
if (u != null) {
|
jaroslav@1170
|
71 |
InputStream is = null;
|
jaroslav@1170
|
72 |
try {
|
jaroslav@1170
|
73 |
is = u.openStream();
|
jaroslav@1175
|
74 |
byte[] arr = new byte[is.available()];
|
jaroslav@1177
|
75 |
int len = 0;
|
jaroslav@1177
|
76 |
while (len < arr.length) {
|
jaroslav@1177
|
77 |
int read = is.read(arr, len, arr.length - len);
|
jaroslav@1177
|
78 |
if (read == -1) {
|
jaroslav@1177
|
79 |
throw new IOException("Can't read " + u);
|
jaroslav@1177
|
80 |
}
|
jaroslav@1177
|
81 |
len += read;
|
jaroslav@1175
|
82 |
}
|
jaroslav@1175
|
83 |
is.close();
|
jaroslav@1175
|
84 |
is = null;
|
jaroslav@1175
|
85 |
ClassReader cr = new ClassReader(arr);
|
jaroslav@1175
|
86 |
FindInClass tst = new FindInClass(null);
|
jaroslav@1175
|
87 |
cr.accept(tst, 0);
|
jaroslav@1178
|
88 |
if (tst.found > 0) {
|
jaroslav@1175
|
89 |
ClassWriter w = new ClassWriterEx(cr, ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES);
|
jaroslav@1175
|
90 |
FindInClass fic = new FindInClass(w);
|
jaroslav@1175
|
91 |
cr.accept(fic, 0);
|
jaroslav@1175
|
92 |
arr = w.toByteArray();
|
jaroslav@1175
|
93 |
}
|
jaroslav@1175
|
94 |
if (arr != null) {
|
jaroslav@1175
|
95 |
return defineClass(name, arr, 0, arr.length);
|
jaroslav@1175
|
96 |
}
|
jaroslav@1170
|
97 |
} catch (IOException ex) {
|
jaroslav@1170
|
98 |
throw new ClassNotFoundException("Can't load " + name, ex);
|
jaroslav@1170
|
99 |
} finally {
|
jaroslav@1170
|
100 |
try {
|
jaroslav@1170
|
101 |
if (is != null) is.close();
|
jaroslav@1170
|
102 |
} catch (IOException ex) {
|
jaroslav@1170
|
103 |
throw new ClassNotFoundException(null, ex);
|
jaroslav@1170
|
104 |
}
|
jaroslav@1170
|
105 |
}
|
jaroslav@1170
|
106 |
}
|
jaroslav@1171
|
107 |
if (name.startsWith("org.apidesign.bck2brwsr.launcher.fximpl.Fn")) {
|
jaroslav@1170
|
108 |
return Class.forName(name);
|
jaroslav@1170
|
109 |
}
|
jaroslav@1170
|
110 |
|
jaroslav@1170
|
111 |
return super.findClass(name);
|
jaroslav@1170
|
112 |
}
|
jaroslav@1170
|
113 |
|
jaroslav@1170
|
114 |
protected abstract Fn defineFn(String code, String... names);
|
jaroslav@1170
|
115 |
|
jaroslav@1170
|
116 |
|
jaroslav@1170
|
117 |
private static final class FindInClass extends ClassVisitor {
|
jaroslav@1170
|
118 |
private String name;
|
jaroslav@1178
|
119 |
private int found;
|
jaroslav@1170
|
120 |
|
jaroslav@1170
|
121 |
public FindInClass(ClassVisitor cv) {
|
jaroslav@1170
|
122 |
super(Opcodes.ASM4, cv);
|
jaroslav@1170
|
123 |
}
|
jaroslav@1170
|
124 |
|
jaroslav@1170
|
125 |
@Override
|
jaroslav@1170
|
126 |
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
|
jaroslav@1170
|
127 |
this.name = name;
|
jaroslav@1170
|
128 |
super.visit(version, access, name, signature, superName, interfaces);
|
jaroslav@1170
|
129 |
}
|
jaroslav@1170
|
130 |
|
jaroslav@1170
|
131 |
|
jaroslav@1170
|
132 |
|
jaroslav@1170
|
133 |
@Override
|
jaroslav@1170
|
134 |
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
|
jaroslav@1172
|
135 |
return new FindInMethod(name, desc,
|
jaroslav@1176
|
136 |
super.visitMethod(access & (~Opcodes.ACC_NATIVE), name, desc, signature, exceptions)
|
jaroslav@1170
|
137 |
);
|
jaroslav@1170
|
138 |
}
|
jaroslav@1170
|
139 |
|
jaroslav@1170
|
140 |
private final class FindInMethod extends MethodVisitor {
|
jaroslav@1170
|
141 |
private final String name;
|
jaroslav@1172
|
142 |
private final String desc;
|
jaroslav@1170
|
143 |
private List<String> args;
|
jaroslav@1170
|
144 |
private String body;
|
jaroslav@1176
|
145 |
private boolean bodyGenerated;
|
jaroslav@1170
|
146 |
|
jaroslav@1172
|
147 |
public FindInMethod(String name, String desc, MethodVisitor mv) {
|
jaroslav@1170
|
148 |
super(Opcodes.ASM4, mv);
|
jaroslav@1170
|
149 |
this.name = name;
|
jaroslav@1172
|
150 |
this.desc = desc;
|
jaroslav@1170
|
151 |
}
|
jaroslav@1170
|
152 |
|
jaroslav@1170
|
153 |
@Override
|
jaroslav@1170
|
154 |
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
|
jaroslav@1170
|
155 |
if ("Lorg/apidesign/bck2brwsr/core/JavaScriptBody;".equals(desc)) { // NOI18N
|
jaroslav@1178
|
156 |
found++;
|
jaroslav@1170
|
157 |
return new FindInAnno();
|
jaroslav@1170
|
158 |
}
|
jaroslav@1170
|
159 |
return super.visitAnnotation(desc, visible);
|
jaroslav@1170
|
160 |
}
|
jaroslav@1170
|
161 |
|
jaroslav@1170
|
162 |
private void generateJSBody(List<String> args, String body) {
|
jaroslav@1170
|
163 |
this.args = args;
|
jaroslav@1170
|
164 |
this.body = body;
|
jaroslav@1170
|
165 |
}
|
jaroslav@1170
|
166 |
|
jaroslav@1170
|
167 |
@Override
|
jaroslav@1170
|
168 |
public void visitCode() {
|
jaroslav@1170
|
169 |
if (body == null) {
|
jaroslav@1170
|
170 |
return;
|
jaroslav@1170
|
171 |
}
|
jaroslav@1176
|
172 |
generateBody();
|
jaroslav@1176
|
173 |
}
|
jaroslav@1176
|
174 |
|
jaroslav@1176
|
175 |
private boolean generateBody() {
|
jaroslav@1176
|
176 |
if (bodyGenerated) {
|
jaroslav@1176
|
177 |
return false;
|
jaroslav@1176
|
178 |
}
|
jaroslav@1176
|
179 |
bodyGenerated = true;
|
jaroslav@1170
|
180 |
|
jaroslav@1170
|
181 |
super.visitFieldInsn(
|
jaroslav@1170
|
182 |
Opcodes.GETSTATIC, FindInClass.this.name,
|
jaroslav@1178
|
183 |
"$$bck2brwsr$$" + name + "_" + found,
|
jaroslav@1171
|
184 |
"Lorg/apidesign/bck2brwsr/launcher/fximpl/Fn;"
|
jaroslav@1170
|
185 |
);
|
jaroslav@1170
|
186 |
super.visitInsn(Opcodes.DUP);
|
jaroslav@1170
|
187 |
Label ifNotNull = new Label();
|
jaroslav@1170
|
188 |
super.visitJumpInsn(Opcodes.IFNONNULL, ifNotNull);
|
jaroslav@1170
|
189 |
|
jaroslav@1170
|
190 |
// init Fn
|
jaroslav@1170
|
191 |
super.visitInsn(Opcodes.POP);
|
jaroslav@1170
|
192 |
super.visitLdcInsn(Type.getObjectType(FindInClass.this.name));
|
jaroslav@1170
|
193 |
super.visitLdcInsn(body);
|
jaroslav@1170
|
194 |
super.visitIntInsn(Opcodes.SIPUSH, args.size());
|
jaroslav@1170
|
195 |
super.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/String");
|
jaroslav@1170
|
196 |
for (int i = 0; i < args.size(); i++) {
|
jaroslav@1170
|
197 |
String name = args.get(i);
|
jaroslav@1170
|
198 |
super.visitInsn(Opcodes.DUP);
|
jaroslav@1170
|
199 |
super.visitIntInsn(Opcodes.BIPUSH, i);
|
jaroslav@1170
|
200 |
super.visitLdcInsn(name);
|
jaroslav@1170
|
201 |
super.visitInsn(Opcodes.AASTORE);
|
jaroslav@1170
|
202 |
}
|
jaroslav@1171
|
203 |
super.visitMethodInsn(Opcodes.INVOKESTATIC,
|
jaroslav@1171
|
204 |
"org/apidesign/bck2brwsr/launcher/fximpl/Fn", "define",
|
jaroslav@1171
|
205 |
"(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/String;)Lorg/apidesign/bck2brwsr/launcher/fximpl/Fn;"
|
jaroslav@1170
|
206 |
);
|
jaroslav@1170
|
207 |
// end of Fn init
|
jaroslav@1170
|
208 |
|
jaroslav@1170
|
209 |
super.visitLabel(ifNotNull);
|
jaroslav@1170
|
210 |
super.visitIntInsn(Opcodes.SIPUSH, args.size());
|
jaroslav@1170
|
211 |
super.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
|
jaroslav@1172
|
212 |
|
jaroslav@1172
|
213 |
class SV extends SignatureVisitor {
|
jaroslav@1172
|
214 |
private boolean nowReturn;
|
jaroslav@1172
|
215 |
private Type returnType;
|
jaroslav@1172
|
216 |
private int index;
|
jaroslav@1172
|
217 |
|
jaroslav@1172
|
218 |
public SV() {
|
jaroslav@1172
|
219 |
super(Opcodes.ASM4);
|
jaroslav@1172
|
220 |
}
|
jaroslav@1172
|
221 |
|
jaroslav@1172
|
222 |
@Override
|
jaroslav@1172
|
223 |
public void visitBaseType(char descriptor) {
|
jaroslav@1172
|
224 |
final Type t = Type.getType("" + descriptor);
|
jaroslav@1172
|
225 |
if (nowReturn) {
|
jaroslav@1172
|
226 |
returnType = t;
|
jaroslav@1172
|
227 |
return;
|
jaroslav@1172
|
228 |
}
|
jaroslav@1172
|
229 |
FindInMethod.super.visitInsn(Opcodes.DUP);
|
jaroslav@1172
|
230 |
FindInMethod.super.visitIntInsn(Opcodes.SIPUSH, index);
|
jaroslav@1172
|
231 |
FindInMethod.super.visitVarInsn(t.getOpcode(Opcodes.ILOAD), index);
|
jaroslav@1172
|
232 |
String factory;
|
jaroslav@1172
|
233 |
switch (descriptor) {
|
jaroslav@1172
|
234 |
case 'I': factory = "java/lang/Integer"; break;
|
jaroslav@1172
|
235 |
case 'J': factory = "java/lang/Long"; break;
|
jaroslav@1172
|
236 |
case 'S': factory = "java/lang/Short"; break;
|
jaroslav@1172
|
237 |
case 'F': factory = "java/lang/Float"; break;
|
jaroslav@1172
|
238 |
case 'D': factory = "java/lang/Double"; break;
|
jaroslav@1172
|
239 |
case 'Z': factory = "java/lang/Boolean"; break;
|
jaroslav@1172
|
240 |
case 'C': factory = "java/lang/Character"; break;
|
jaroslav@1172
|
241 |
case 'B': factory = "java/lang/Byte"; break;
|
jaroslav@1172
|
242 |
default: throw new IllegalStateException(t.toString());
|
jaroslav@1172
|
243 |
}
|
jaroslav@1172
|
244 |
FindInMethod.super.visitMethodInsn(Opcodes.INVOKESTATIC,
|
jaroslav@1172
|
245 |
factory, "valueOf", "(" + descriptor + ")L" + factory + ";"
|
jaroslav@1172
|
246 |
);
|
jaroslav@1172
|
247 |
FindInMethod.super.visitInsn(Opcodes.AASTORE);
|
jaroslav@1172
|
248 |
index++;
|
jaroslav@1172
|
249 |
}
|
jaroslav@1172
|
250 |
|
jaroslav@1172
|
251 |
@Override
|
jaroslav@1172
|
252 |
public void visitClassType(String name) {
|
jaroslav@1172
|
253 |
if (nowReturn) {
|
jaroslav@1172
|
254 |
returnType = Type.getObjectType(name);
|
jaroslav@1172
|
255 |
return;
|
jaroslav@1172
|
256 |
}
|
jaroslav@1172
|
257 |
FindInMethod.super.visitInsn(Opcodes.DUP);
|
jaroslav@1172
|
258 |
FindInMethod.super.visitIntInsn(Opcodes.SIPUSH, index);
|
jaroslav@1172
|
259 |
FindInMethod.super.visitVarInsn(Opcodes.ALOAD, index);
|
jaroslav@1172
|
260 |
FindInMethod.super.visitInsn(Opcodes.AASTORE);
|
jaroslav@1172
|
261 |
index++;
|
jaroslav@1172
|
262 |
}
|
jaroslav@1172
|
263 |
|
jaroslav@1172
|
264 |
@Override
|
jaroslav@1172
|
265 |
public SignatureVisitor visitReturnType() {
|
jaroslav@1172
|
266 |
nowReturn = true;
|
jaroslav@1172
|
267 |
return this;
|
jaroslav@1172
|
268 |
}
|
jaroslav@1172
|
269 |
|
jaroslav@1172
|
270 |
|
jaroslav@1172
|
271 |
}
|
jaroslav@1172
|
272 |
SV sv = new SV();
|
jaroslav@1172
|
273 |
SignatureReader sr = new SignatureReader(desc);
|
jaroslav@1172
|
274 |
sr.accept(sv);
|
jaroslav@1172
|
275 |
|
jaroslav@1170
|
276 |
super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
|
jaroslav@1171
|
277 |
"org/apidesign/bck2brwsr/launcher/fximpl/Fn", "invoke", "([Ljava/lang/Object;)Ljava/lang/Object;"
|
jaroslav@1170
|
278 |
);
|
jaroslav@1172
|
279 |
switch (sv.returnType.getSort()) {
|
jaroslav@1172
|
280 |
case Type.VOID:
|
jaroslav@1172
|
281 |
super.visitInsn(Opcodes.RETURN);
|
jaroslav@1176
|
282 |
break;
|
jaroslav@1172
|
283 |
case Type.ARRAY:
|
jaroslav@1172
|
284 |
case Type.OBJECT:
|
jaroslav@1172
|
285 |
super.visitTypeInsn(Opcodes.CHECKCAST, sv.returnType.getInternalName());
|
jaroslav@1172
|
286 |
super.visitInsn(Opcodes.ARETURN);
|
jaroslav@1176
|
287 |
break;
|
jaroslav@1172
|
288 |
default:
|
jaroslav@1172
|
289 |
super.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/Number");
|
jaroslav@1172
|
290 |
super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
|
jaroslav@1172
|
291 |
"java/lang/Number", sv.returnType.getClassName() + "Value", "()" + sv.returnType.getDescriptor()
|
jaroslav@1172
|
292 |
);
|
jaroslav@1172
|
293 |
super.visitInsn(sv.returnType.getOpcode(Opcodes.IRETURN));
|
jaroslav@1172
|
294 |
}
|
jaroslav@1176
|
295 |
return true;
|
jaroslav@1170
|
296 |
}
|
jaroslav@1170
|
297 |
|
jaroslav@1170
|
298 |
@Override
|
jaroslav@1170
|
299 |
public void visitEnd() {
|
jaroslav@1170
|
300 |
super.visitEnd();
|
jaroslav@1170
|
301 |
if (body != null) {
|
jaroslav@1176
|
302 |
if (generateBody()) {
|
jaroslav@1176
|
303 |
// native method
|
jaroslav@1176
|
304 |
super.visitMaxs(1, 0);
|
jaroslav@1176
|
305 |
}
|
jaroslav@1170
|
306 |
FindInClass.this.visitField(
|
jaroslav@1170
|
307 |
Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
|
jaroslav@1178
|
308 |
"$$bck2brwsr$$" + name + "_" + found,
|
jaroslav@1171
|
309 |
"Lorg/apidesign/bck2brwsr/launcher/fximpl/Fn;",
|
jaroslav@1170
|
310 |
null, null
|
jaroslav@1170
|
311 |
);
|
jaroslav@1170
|
312 |
}
|
jaroslav@1170
|
313 |
}
|
jaroslav@1170
|
314 |
|
jaroslav@1170
|
315 |
|
jaroslav@1170
|
316 |
|
jaroslav@1170
|
317 |
|
jaroslav@1170
|
318 |
|
jaroslav@1170
|
319 |
private final class FindInAnno extends AnnotationVisitor {
|
jaroslav@1170
|
320 |
private List<String> args = new ArrayList<String>();
|
jaroslav@1170
|
321 |
private String body;
|
jaroslav@1170
|
322 |
|
jaroslav@1170
|
323 |
public FindInAnno() {
|
jaroslav@1170
|
324 |
super(Opcodes.ASM4);
|
jaroslav@1170
|
325 |
}
|
jaroslav@1170
|
326 |
|
jaroslav@1170
|
327 |
@Override
|
jaroslav@1170
|
328 |
public void visit(String name, Object value) {
|
jaroslav@1170
|
329 |
if (name == null) {
|
jaroslav@1170
|
330 |
args.add((String) value);
|
jaroslav@1170
|
331 |
return;
|
jaroslav@1170
|
332 |
}
|
jaroslav@1170
|
333 |
assert name.equals("body");
|
jaroslav@1170
|
334 |
body = (String) value;
|
jaroslav@1170
|
335 |
}
|
jaroslav@1170
|
336 |
|
jaroslav@1170
|
337 |
@Override
|
jaroslav@1170
|
338 |
public AnnotationVisitor visitArray(String name) {
|
jaroslav@1170
|
339 |
return this;
|
jaroslav@1170
|
340 |
}
|
jaroslav@1170
|
341 |
|
jaroslav@1170
|
342 |
@Override
|
jaroslav@1170
|
343 |
public void visitEnd() {
|
jaroslav@1170
|
344 |
if (body != null) {
|
jaroslav@1170
|
345 |
generateJSBody(args, body);
|
jaroslav@1170
|
346 |
}
|
jaroslav@1170
|
347 |
}
|
jaroslav@1170
|
348 |
}
|
jaroslav@1170
|
349 |
}
|
jaroslav@1170
|
350 |
}
|
jaroslav@1175
|
351 |
|
jaroslav@1175
|
352 |
private class ClassWriterEx extends ClassWriter {
|
jaroslav@1175
|
353 |
|
jaroslav@1175
|
354 |
public ClassWriterEx(ClassReader classReader, int flags) {
|
jaroslav@1175
|
355 |
super(classReader, flags);
|
jaroslav@1175
|
356 |
}
|
jaroslav@1175
|
357 |
|
jaroslav@1175
|
358 |
@Override
|
jaroslav@1175
|
359 |
protected String getCommonSuperClass(final String type1, final String type2) {
|
jaroslav@1175
|
360 |
Class<?> c, d;
|
jaroslav@1175
|
361 |
ClassLoader classLoader = JsClassLoader.this;
|
jaroslav@1175
|
362 |
try {
|
jaroslav@1175
|
363 |
c = Class.forName(type1.replace('/', '.'), false, classLoader);
|
jaroslav@1175
|
364 |
d = Class.forName(type2.replace('/', '.'), false, classLoader);
|
jaroslav@1175
|
365 |
} catch (Exception e) {
|
jaroslav@1175
|
366 |
throw new RuntimeException(e.toString());
|
jaroslav@1175
|
367 |
}
|
jaroslav@1175
|
368 |
if (c.isAssignableFrom(d)) {
|
jaroslav@1175
|
369 |
return type1;
|
jaroslav@1175
|
370 |
}
|
jaroslav@1175
|
371 |
if (d.isAssignableFrom(c)) {
|
jaroslav@1175
|
372 |
return type2;
|
jaroslav@1175
|
373 |
}
|
jaroslav@1175
|
374 |
if (c.isInterface() || d.isInterface()) {
|
jaroslav@1175
|
375 |
return "java/lang/Object";
|
jaroslav@1175
|
376 |
} else {
|
jaroslav@1175
|
377 |
do {
|
jaroslav@1175
|
378 |
c = c.getSuperclass();
|
jaroslav@1175
|
379 |
} while (!c.isAssignableFrom(d));
|
jaroslav@1175
|
380 |
return c.getName().replace('.', '/');
|
jaroslav@1175
|
381 |
}
|
jaroslav@1175
|
382 |
}
|
jaroslav@1175
|
383 |
}
|
jaroslav@1170
|
384 |
}
|