jaroslav@106
|
1 |
/**
|
jaroslav@106
|
2 |
* Back 2 Browser Bytecode Translator
|
jaroslav@106
|
3 |
* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
|
jaroslav@106
|
4 |
*
|
jaroslav@106
|
5 |
* This program is free software: you can redistribute it and/or modify
|
jaroslav@106
|
6 |
* it under the terms of the GNU General Public License as published by
|
jaroslav@106
|
7 |
* the Free Software Foundation, version 2 of the License.
|
jaroslav@106
|
8 |
*
|
jaroslav@106
|
9 |
* This program is distributed in the hope that it will be useful,
|
jaroslav@106
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
jaroslav@106
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
jaroslav@106
|
12 |
* GNU General Public License for more details.
|
jaroslav@106
|
13 |
*
|
jaroslav@106
|
14 |
* You should have received a copy of the GNU General Public License
|
jaroslav@106
|
15 |
* along with this program. Look for COPYING file in the top folder.
|
jaroslav@106
|
16 |
* If not, see http://opensource.org/licenses/GPL-2.0.
|
jaroslav@106
|
17 |
*/
|
jaroslav@22
|
18 |
package org.apidesign.vm4brwsr;
|
jaroslav@0
|
19 |
|
jaroslav@0
|
20 |
import java.io.IOException;
|
jaroslav@0
|
21 |
import java.io.InputStream;
|
jaroslav@21
|
22 |
import java.util.ArrayList;
|
jaroslav@18
|
23 |
import java.util.Collection;
|
jaroslav@0
|
24 |
import java.util.List;
|
jaroslav@91
|
25 |
import org.apidesign.bck2brwsr.core.ExtraJavaScript;
|
jaroslav@94
|
26 |
import org.apidesign.bck2brwsr.core.JavaScriptBody;
|
jaroslav@91
|
27 |
import org.netbeans.modules.classfile.Annotation;
|
jaroslav@91
|
28 |
import org.netbeans.modules.classfile.AnnotationComponent;
|
jaroslav@94
|
29 |
import org.netbeans.modules.classfile.ArrayElementValue;
|
jaroslav@2
|
30 |
import static org.netbeans.modules.classfile.ByteCodes.*;
|
jaroslav@8
|
31 |
import org.netbeans.modules.classfile.CPClassInfo;
|
jaroslav@8
|
32 |
import org.netbeans.modules.classfile.CPEntry;
|
jaroslav@8
|
33 |
import org.netbeans.modules.classfile.CPFieldInfo;
|
jaroslav@4
|
34 |
import org.netbeans.modules.classfile.CPMethodInfo;
|
jaroslav@21
|
35 |
import org.netbeans.modules.classfile.CPStringInfo;
|
jaroslav@0
|
36 |
import org.netbeans.modules.classfile.ClassFile;
|
jaroslav@13
|
37 |
import org.netbeans.modules.classfile.ClassName;
|
jaroslav@0
|
38 |
import org.netbeans.modules.classfile.Code;
|
jaroslav@91
|
39 |
import org.netbeans.modules.classfile.ElementValue;
|
jaroslav@0
|
40 |
import org.netbeans.modules.classfile.Method;
|
jaroslav@0
|
41 |
import org.netbeans.modules.classfile.Parameter;
|
jaroslav@91
|
42 |
import org.netbeans.modules.classfile.PrimitiveElementValue;
|
jaroslav@9
|
43 |
import org.netbeans.modules.classfile.Variable;
|
jaroslav@0
|
44 |
|
jaroslav@0
|
45 |
/** Translator of the code inside class files to JavaScript.
|
jaroslav@0
|
46 |
*
|
jaroslav@0
|
47 |
* @author Jaroslav Tulach <jtulach@netbeans.org>
|
jaroslav@0
|
48 |
*/
|
jaroslav@0
|
49 |
public final class ByteCodeToJavaScript {
|
jaroslav@0
|
50 |
private final ClassFile jc;
|
jaroslav@0
|
51 |
private final Appendable out;
|
jaroslav@18
|
52 |
private final Collection<? super String> references;
|
jaroslav@0
|
53 |
|
jaroslav@18
|
54 |
private ByteCodeToJavaScript(
|
jaroslav@18
|
55 |
ClassFile jc, Appendable out, Collection<? super String> references
|
jaroslav@18
|
56 |
) {
|
jaroslav@0
|
57 |
this.jc = jc;
|
jaroslav@0
|
58 |
this.out = out;
|
jaroslav@18
|
59 |
this.references = references;
|
jaroslav@0
|
60 |
}
|
jaroslav@18
|
61 |
|
jaroslav@18
|
62 |
/**
|
jaroslav@18
|
63 |
* Converts a given class file to a JavaScript version.
|
jaroslav@18
|
64 |
*
|
jaroslav@0
|
65 |
* @param classFile input stream with code of the .class file
|
jaroslav@0
|
66 |
* @param out a {@link StringBuilder} or similar to generate the output to
|
jaroslav@18
|
67 |
* @param references a write only collection where the system adds list of
|
jaroslav@18
|
68 |
* other classes that were referenced and should be loaded in order the
|
jaroslav@18
|
69 |
* generated JavaScript code works properly. The names are in internal
|
jaroslav@18
|
70 |
* JVM form so String is <code>java/lang/String</code>. Can be <code>null</code>
|
jaroslav@18
|
71 |
* if one is not interested in knowing references
|
jaroslav@91
|
72 |
* @param scripts write only collection with names of resources to read
|
jaroslav@97
|
73 |
* @return the initialization code for this class, if any. Otherwise <code>null</code>
|
jaroslav@91
|
74 |
*
|
jaroslav@0
|
75 |
* @throws IOException if something goes wrong during read or write or translating
|
jaroslav@0
|
76 |
*/
|
jaroslav@18
|
77 |
|
jaroslav@97
|
78 |
public static String compile(
|
jaroslav@18
|
79 |
InputStream classFile, Appendable out,
|
jaroslav@91
|
80 |
Collection<? super String> references,
|
jaroslav@91
|
81 |
Collection<? super String> scripts
|
jaroslav@18
|
82 |
) throws IOException {
|
jaroslav@0
|
83 |
ClassFile jc = new ClassFile(classFile, true);
|
jaroslav@91
|
84 |
final ClassName extraAnn = ClassName.getClassName(ExtraJavaScript.class.getName().replace('.', '/'));
|
jaroslav@91
|
85 |
Annotation a = jc.getAnnotation(extraAnn);
|
jaroslav@91
|
86 |
if (a != null) {
|
jaroslav@91
|
87 |
final ElementValue annVal = a.getComponent("resource").getValue();
|
jaroslav@91
|
88 |
String res = ((PrimitiveElementValue)annVal).getValue().getValue().toString();
|
jaroslav@91
|
89 |
scripts.add(res);
|
jaroslav@91
|
90 |
final AnnotationComponent process = a.getComponent("processByteCode");
|
jaroslav@93
|
91 |
if (process != null && "const=0".equals(process.getValue().toString())) {
|
jaroslav@97
|
92 |
return null;
|
jaroslav@91
|
93 |
}
|
jaroslav@91
|
94 |
}
|
jaroslav@91
|
95 |
|
jaroslav@18
|
96 |
ByteCodeToJavaScript compiler = new ByteCodeToJavaScript(
|
jaroslav@18
|
97 |
jc, out, references
|
jaroslav@18
|
98 |
);
|
jaroslav@21
|
99 |
List<String> toInitilize = new ArrayList<String>();
|
jaroslav@0
|
100 |
for (Method m : jc.getMethods()) {
|
jaroslav@0
|
101 |
if (m.isStatic()) {
|
jaroslav@21
|
102 |
compiler.generateStaticMethod(m, toInitilize);
|
jaroslav@10
|
103 |
} else {
|
jaroslav@10
|
104 |
compiler.generateInstanceMethod(m);
|
jaroslav@0
|
105 |
}
|
jaroslav@0
|
106 |
}
|
jaroslav@9
|
107 |
for (Variable v : jc.getVariables()) {
|
jaroslav@9
|
108 |
if (v.isStatic()) {
|
jaroslav@9
|
109 |
compiler.generateStaticField(v);
|
jaroslav@9
|
110 |
}
|
jaroslav@9
|
111 |
}
|
jaroslav@10
|
112 |
|
jaroslav@18
|
113 |
final String className = jc.getName().getInternalName().replace('/', '_');
|
jaroslav@13
|
114 |
out.append("\nfunction ").append(className);
|
jaroslav@10
|
115 |
out.append("() {");
|
jaroslav@10
|
116 |
for (Variable v : jc.getVariables()) {
|
jaroslav@10
|
117 |
if (!v.isStatic()) {
|
jaroslav@10
|
118 |
out.append("\n this." + v.getName() + " = 0;");
|
jaroslav@10
|
119 |
}
|
jaroslav@10
|
120 |
}
|
jaroslav@98
|
121 |
out.append("\n}\n\nfunction ").append(className).append("_proto() {");
|
jaroslav@98
|
122 |
out.append("\n if (").append(className).
|
jaroslav@98
|
123 |
append(".prototype.$instOf_").append(className).append(") {");
|
jtulach@130
|
124 |
out.append("\n return new ").append(className).append(";");
|
jaroslav@98
|
125 |
out.append("\n }");
|
jaroslav@13
|
126 |
ClassName sc = jc.getSuperClass();
|
jaroslav@13
|
127 |
if (sc != null) {
|
jtulach@130
|
128 |
out.append("\n var p = ").append(className)
|
jtulach@130
|
129 |
.append(".prototype = ").
|
jtulach@130
|
130 |
append(sc.getInternalName().replace('/', '_')).append("_proto();");
|
jtulach@130
|
131 |
} else {
|
jtulach@130
|
132 |
out.append("\n var p = ").append(className).append(".prototype");
|
jaroslav@13
|
133 |
}
|
jaroslav@38
|
134 |
for (Method m : jc.getMethods()) {
|
jaroslav@102
|
135 |
if (!m.getName().contains("<init>") && !m.getName().contains("<cinit>")) {
|
jtulach@130
|
136 |
compiler.generateMethodReference("\n p.", m);
|
jaroslav@38
|
137 |
}
|
jaroslav@38
|
138 |
}
|
jtulach@130
|
139 |
out.append("\n p.$instOf_").append(className).append(" = true;");
|
jaroslav@40
|
140 |
for (ClassName superInterface : jc.getInterfaces()) {
|
jtulach@130
|
141 |
out.append("\n p.$instOf_").append(superInterface.getInternalName().replace('/', '_')).append(" = true;");
|
jaroslav@40
|
142 |
}
|
jtulach@130
|
143 |
out.append("\n return new ").append(className).append(";");
|
jaroslav@98
|
144 |
out.append("\n}");
|
jaroslav@98
|
145 |
out.append("\n").append(className).append("_proto();");
|
jaroslav@97
|
146 |
StringBuilder sb = new StringBuilder();
|
jaroslav@21
|
147 |
for (String init : toInitilize) {
|
jaroslav@97
|
148 |
sb.append("\n").append(init).append("();");
|
jaroslav@21
|
149 |
}
|
jaroslav@97
|
150 |
return sb.toString();
|
jaroslav@0
|
151 |
}
|
jaroslav@21
|
152 |
private void generateStaticMethod(Method m, List<String> toInitilize) throws IOException {
|
jaroslav@94
|
153 |
if (javaScriptBody(m, true)) {
|
jaroslav@94
|
154 |
return;
|
jaroslav@94
|
155 |
}
|
jaroslav@21
|
156 |
final String mn = findMethodName(m);
|
jaroslav@1
|
157 |
out.append("\nfunction ").append(
|
jaroslav@18
|
158 |
jc.getName().getInternalName().replace('/', '_')
|
jaroslav@21
|
159 |
).append('_').append(mn);
|
jaroslav@21
|
160 |
if (mn.equals("classV")) {
|
jaroslav@21
|
161 |
toInitilize.add(jc.getName().getInternalName().replace('/', '_') + '_' + mn);
|
jaroslav@21
|
162 |
}
|
jaroslav@0
|
163 |
out.append('(');
|
jaroslav@0
|
164 |
String space = "";
|
jaroslav@10
|
165 |
List<Parameter> args = m.getParameters();
|
jaroslav@2
|
166 |
for (int index = 0, i = 0; i < args.size(); i++) {
|
jaroslav@0
|
167 |
out.append(space);
|
jaroslav@2
|
168 |
out.append("arg").append(String.valueOf(index));
|
jaroslav@0
|
169 |
space = ",";
|
jaroslav@32
|
170 |
final String desc = findDescriptor(args.get(i).getDescriptor());
|
jaroslav@3
|
171 |
if ("D".equals(desc) || "J".equals(desc)) {
|
jaroslav@2
|
172 |
index += 2;
|
jaroslav@2
|
173 |
} else {
|
jaroslav@2
|
174 |
index++;
|
jaroslav@2
|
175 |
}
|
jaroslav@0
|
176 |
}
|
jaroslav@5
|
177 |
out.append(") {").append("\n");
|
jaroslav@0
|
178 |
final Code code = m.getCode();
|
jaroslav@18
|
179 |
if (code != null) {
|
jaroslav@18
|
180 |
int len = code.getMaxLocals();
|
jaroslav@18
|
181 |
for (int index = args.size(), i = args.size(); i < len; i++) {
|
jaroslav@18
|
182 |
out.append(" var ");
|
jaroslav@18
|
183 |
out.append("arg").append(String.valueOf(i)).append(";\n");
|
jaroslav@18
|
184 |
}
|
jaroslav@21
|
185 |
out.append(" var stack = new Array();\n");
|
jaroslav@18
|
186 |
produceCode(code.getByteCodes());
|
jaroslav@18
|
187 |
} else {
|
jaroslav@18
|
188 |
out.append(" /* no code found for ").append(m.getTypeSignature()).append(" */\n");
|
jaroslav@0
|
189 |
}
|
jaroslav@10
|
190 |
out.append("}");
|
jaroslav@10
|
191 |
}
|
jaroslav@10
|
192 |
|
jaroslav@38
|
193 |
private void generateMethodReference(String prefix, Method m) throws IOException {
|
jaroslav@12
|
194 |
final String name = findMethodName(m);
|
jaroslav@38
|
195 |
out.append(prefix).append(name).append(" = ")
|
jaroslav@18
|
196 |
.append(jc.getName().getInternalName().replace('/', '_'))
|
jaroslav@12
|
197 |
.append('_').append(name).append(";");
|
jaroslav@12
|
198 |
}
|
jaroslav@12
|
199 |
|
jaroslav@10
|
200 |
private void generateInstanceMethod(Method m) throws IOException {
|
jaroslav@94
|
201 |
if (javaScriptBody(m, false)) {
|
jaroslav@94
|
202 |
return;
|
jaroslav@94
|
203 |
}
|
jaroslav@10
|
204 |
out.append("\nfunction ").append(
|
jaroslav@18
|
205 |
jc.getName().getInternalName().replace('/', '_')
|
jaroslav@10
|
206 |
).append('_').append(findMethodName(m));
|
jaroslav@10
|
207 |
out.append("(arg0");
|
jaroslav@10
|
208 |
String space = ",";
|
jaroslav@10
|
209 |
List<Parameter> args = m.getParameters();
|
jaroslav@10
|
210 |
for (int index = 1, i = 0; i < args.size(); i++) {
|
jaroslav@10
|
211 |
out.append(space);
|
jaroslav@10
|
212 |
out.append("arg").append(String.valueOf(index));
|
jaroslav@32
|
213 |
final String desc = findDescriptor(args.get(i).getDescriptor());
|
jaroslav@10
|
214 |
if ("D".equals(desc) || "J".equals(desc)) {
|
jaroslav@10
|
215 |
index += 2;
|
jaroslav@10
|
216 |
} else {
|
jaroslav@10
|
217 |
index++;
|
jaroslav@10
|
218 |
}
|
jaroslav@10
|
219 |
}
|
jaroslav@10
|
220 |
out.append(") {").append("\n");
|
jaroslav@10
|
221 |
final Code code = m.getCode();
|
jaroslav@18
|
222 |
if (code != null) {
|
jaroslav@18
|
223 |
int len = code.getMaxLocals();
|
jaroslav@18
|
224 |
for (int index = args.size(), i = args.size(); i < len; i++) {
|
jaroslav@18
|
225 |
out.append(" var ");
|
jaroslav@18
|
226 |
out.append("arg").append(String.valueOf(i + 1)).append(";\n");
|
jaroslav@18
|
227 |
}
|
jaroslav@96
|
228 |
out.append(";\n var stack = new Array();\n");
|
jaroslav@18
|
229 |
produceCode(code.getByteCodes());
|
jaroslav@18
|
230 |
} else {
|
jaroslav@18
|
231 |
out.append(" /* no code found for ").append(m.getTypeSignature()).append(" */\n");
|
jaroslav@10
|
232 |
}
|
jaroslav@0
|
233 |
out.append("}");
|
jaroslav@0
|
234 |
}
|
jaroslav@0
|
235 |
|
jaroslav@0
|
236 |
private void produceCode(byte[] byteCodes) throws IOException {
|
jaroslav@10
|
237 |
out.append("\n var gt = 0;\n for(;;) switch(gt) {\n");
|
jaroslav@0
|
238 |
for (int i = 0; i < byteCodes.length; i++) {
|
jaroslav@0
|
239 |
int prev = i;
|
jaroslav@10
|
240 |
out.append(" case " + i).append(": ");
|
jtulach@128
|
241 |
final int c = readByte(byteCodes, i);
|
jaroslav@0
|
242 |
switch (c) {
|
jaroslav@2
|
243 |
case bc_aload_0:
|
jaroslav@2
|
244 |
case bc_iload_0:
|
jaroslav@2
|
245 |
case bc_lload_0:
|
jaroslav@2
|
246 |
case bc_fload_0:
|
jaroslav@2
|
247 |
case bc_dload_0:
|
jaroslav@0
|
248 |
out.append("stack.push(arg0);");
|
jaroslav@0
|
249 |
break;
|
jaroslav@2
|
250 |
case bc_aload_1:
|
jaroslav@2
|
251 |
case bc_iload_1:
|
jaroslav@2
|
252 |
case bc_lload_1:
|
jaroslav@2
|
253 |
case bc_fload_1:
|
jaroslav@2
|
254 |
case bc_dload_1:
|
jaroslav@0
|
255 |
out.append("stack.push(arg1);");
|
jaroslav@0
|
256 |
break;
|
jaroslav@2
|
257 |
case bc_aload_2:
|
jaroslav@2
|
258 |
case bc_iload_2:
|
jaroslav@2
|
259 |
case bc_lload_2:
|
jaroslav@2
|
260 |
case bc_fload_2:
|
jaroslav@2
|
261 |
case bc_dload_2:
|
jaroslav@2
|
262 |
out.append("stack.push(arg2);");
|
jaroslav@2
|
263 |
break;
|
jaroslav@3
|
264 |
case bc_aload_3:
|
jaroslav@3
|
265 |
case bc_iload_3:
|
jaroslav@3
|
266 |
case bc_lload_3:
|
jaroslav@3
|
267 |
case bc_fload_3:
|
jaroslav@3
|
268 |
case bc_dload_3:
|
jaroslav@3
|
269 |
out.append("stack.push(arg3);");
|
jaroslav@3
|
270 |
break;
|
jaroslav@3
|
271 |
case bc_iload:
|
jaroslav@3
|
272 |
case bc_lload:
|
jaroslav@3
|
273 |
case bc_fload:
|
jaroslav@3
|
274 |
case bc_dload:
|
jaroslav@3
|
275 |
case bc_aload: {
|
jtulach@128
|
276 |
final int indx = readByte(byteCodes, ++i);
|
jaroslav@3
|
277 |
out.append("stack.push(arg").append(indx + ");");
|
jaroslav@3
|
278 |
break;
|
jaroslav@3
|
279 |
}
|
jaroslav@31
|
280 |
case bc_istore:
|
jaroslav@31
|
281 |
case bc_lstore:
|
jaroslav@31
|
282 |
case bc_fstore:
|
jaroslav@31
|
283 |
case bc_dstore:
|
jaroslav@31
|
284 |
case bc_astore: {
|
jtulach@128
|
285 |
final int indx = readByte(byteCodes, ++i);
|
jaroslav@31
|
286 |
out.append("arg" + indx).append(" = stack.pop()");
|
jaroslav@31
|
287 |
break;
|
jaroslav@31
|
288 |
}
|
jaroslav@8
|
289 |
case bc_astore_0:
|
jaroslav@5
|
290 |
case bc_istore_0:
|
jaroslav@5
|
291 |
case bc_lstore_0:
|
jaroslav@5
|
292 |
case bc_fstore_0:
|
jaroslav@5
|
293 |
case bc_dstore_0:
|
jaroslav@5
|
294 |
out.append("arg0 = stack.pop();");
|
jaroslav@5
|
295 |
break;
|
jaroslav@8
|
296 |
case bc_astore_1:
|
jaroslav@5
|
297 |
case bc_istore_1:
|
jaroslav@5
|
298 |
case bc_lstore_1:
|
jaroslav@5
|
299 |
case bc_fstore_1:
|
jaroslav@5
|
300 |
case bc_dstore_1:
|
jaroslav@5
|
301 |
out.append("arg1 = stack.pop();");
|
jaroslav@5
|
302 |
break;
|
jaroslav@8
|
303 |
case bc_astore_2:
|
jaroslav@5
|
304 |
case bc_istore_2:
|
jaroslav@5
|
305 |
case bc_lstore_2:
|
jaroslav@5
|
306 |
case bc_fstore_2:
|
jaroslav@5
|
307 |
case bc_dstore_2:
|
jaroslav@5
|
308 |
out.append("arg2 = stack.pop();");
|
jaroslav@5
|
309 |
break;
|
jaroslav@8
|
310 |
case bc_astore_3:
|
jaroslav@5
|
311 |
case bc_istore_3:
|
jaroslav@5
|
312 |
case bc_lstore_3:
|
jaroslav@5
|
313 |
case bc_fstore_3:
|
jaroslav@5
|
314 |
case bc_dstore_3:
|
jaroslav@5
|
315 |
out.append("arg3 = stack.pop();");
|
jaroslav@5
|
316 |
break;
|
jaroslav@2
|
317 |
case bc_iadd:
|
jaroslav@2
|
318 |
case bc_ladd:
|
jaroslav@2
|
319 |
case bc_fadd:
|
jaroslav@2
|
320 |
case bc_dadd:
|
jaroslav@0
|
321 |
out.append("stack.push(stack.pop() + stack.pop());");
|
jaroslav@0
|
322 |
break;
|
jaroslav@2
|
323 |
case bc_isub:
|
jaroslav@2
|
324 |
case bc_lsub:
|
jaroslav@2
|
325 |
case bc_fsub:
|
jaroslav@2
|
326 |
case bc_dsub:
|
jaroslav@3
|
327 |
out.append("{ var tmp = stack.pop(); stack.push(stack.pop() - tmp); }");
|
jaroslav@2
|
328 |
break;
|
jaroslav@2
|
329 |
case bc_imul:
|
jaroslav@2
|
330 |
case bc_lmul:
|
jaroslav@2
|
331 |
case bc_fmul:
|
jaroslav@2
|
332 |
case bc_dmul:
|
jaroslav@1
|
333 |
out.append("stack.push(stack.pop() * stack.pop());");
|
jaroslav@1
|
334 |
break;
|
jaroslav@3
|
335 |
case bc_idiv:
|
jaroslav@3
|
336 |
case bc_ldiv:
|
jaroslav@3
|
337 |
out.append("{ var tmp = stack.pop(); stack.push(Math.floor(stack.pop() / tmp)); }");
|
jaroslav@3
|
338 |
break;
|
jaroslav@3
|
339 |
case bc_fdiv:
|
jaroslav@3
|
340 |
case bc_ddiv:
|
jaroslav@3
|
341 |
out.append("{ var tmp = stack.pop(); stack.push(stack.pop() / tmp); }");
|
jaroslav@3
|
342 |
break;
|
jaroslav@7
|
343 |
case bc_iand:
|
jaroslav@7
|
344 |
case bc_land:
|
jaroslav@7
|
345 |
out.append("stack.push(stack.pop() & stack.pop());");
|
jaroslav@7
|
346 |
break;
|
jaroslav@7
|
347 |
case bc_ior:
|
jaroslav@7
|
348 |
case bc_lor:
|
jaroslav@7
|
349 |
out.append("stack.push(stack.pop() | stack.pop());");
|
jaroslav@7
|
350 |
break;
|
jaroslav@6
|
351 |
case bc_ixor:
|
jaroslav@6
|
352 |
case bc_lxor:
|
jaroslav@6
|
353 |
out.append("stack.push(stack.pop() ^ stack.pop());");
|
jaroslav@6
|
354 |
break;
|
jaroslav@93
|
355 |
case bc_ineg:
|
jaroslav@93
|
356 |
case bc_lneg:
|
jaroslav@93
|
357 |
case bc_fneg:
|
jaroslav@93
|
358 |
case bc_dneg:
|
jaroslav@93
|
359 |
out.append("stack.push(- stack.pop());");
|
jaroslav@93
|
360 |
break;
|
jaroslav@93
|
361 |
case bc_ishl:
|
jaroslav@93
|
362 |
case bc_lshl:
|
jaroslav@93
|
363 |
out.append("{ var v = stack.pop(); stack.push(stack.pop() << v); }");
|
jaroslav@93
|
364 |
break;
|
jaroslav@93
|
365 |
case bc_ishr:
|
jaroslav@93
|
366 |
case bc_lshr:
|
jaroslav@93
|
367 |
out.append("{ var v = stack.pop(); stack.push(stack.pop() >> v); }");
|
jaroslav@93
|
368 |
break;
|
jaroslav@93
|
369 |
case bc_iushr:
|
jaroslav@93
|
370 |
case bc_lushr:
|
jaroslav@93
|
371 |
out.append("{ var v = stack.pop(); stack.push(stack.pop() >>> v); }");
|
jaroslav@93
|
372 |
break;
|
jaroslav@5
|
373 |
case bc_iinc: {
|
jtulach@128
|
374 |
final int varIndx = readByte(byteCodes, ++i);
|
jaroslav@104
|
375 |
final int incrBy = byteCodes[++i];
|
jaroslav@5
|
376 |
if (incrBy == 1) {
|
jaroslav@5
|
377 |
out.append("arg" + varIndx).append("++;");
|
jaroslav@5
|
378 |
} else {
|
jaroslav@5
|
379 |
out.append("arg" + varIndx).append(" += " + incrBy).append(";");
|
jaroslav@5
|
380 |
}
|
jaroslav@5
|
381 |
break;
|
jaroslav@5
|
382 |
}
|
jaroslav@10
|
383 |
case bc_return:
|
jaroslav@10
|
384 |
out.append("return;");
|
jaroslav@10
|
385 |
break;
|
jaroslav@2
|
386 |
case bc_ireturn:
|
jaroslav@2
|
387 |
case bc_lreturn:
|
jaroslav@2
|
388 |
case bc_freturn:
|
jaroslav@2
|
389 |
case bc_dreturn:
|
jaroslav@10
|
390 |
case bc_areturn:
|
jaroslav@0
|
391 |
out.append("return stack.pop();");
|
jaroslav@1
|
392 |
break;
|
jaroslav@2
|
393 |
case bc_i2l:
|
jaroslav@2
|
394 |
case bc_i2f:
|
jaroslav@2
|
395 |
case bc_i2d:
|
jaroslav@2
|
396 |
case bc_l2i:
|
jaroslav@3
|
397 |
// max int check?
|
jaroslav@2
|
398 |
case bc_l2f:
|
jaroslav@2
|
399 |
case bc_l2d:
|
jaroslav@3
|
400 |
case bc_f2d:
|
jaroslav@3
|
401 |
case bc_d2f:
|
jaroslav@3
|
402 |
out.append("/* number conversion */");
|
jaroslav@3
|
403 |
break;
|
jaroslav@2
|
404 |
case bc_f2i:
|
jaroslav@2
|
405 |
case bc_f2l:
|
jaroslav@2
|
406 |
case bc_d2i:
|
jaroslav@2
|
407 |
case bc_d2l:
|
jaroslav@3
|
408 |
out.append("stack.push(Math.floor(stack.pop()));");
|
jaroslav@3
|
409 |
break;
|
jaroslav@2
|
410 |
case bc_i2b:
|
jaroslav@2
|
411 |
case bc_i2c:
|
jaroslav@2
|
412 |
case bc_i2s:
|
jaroslav@2
|
413 |
out.append("/* number conversion */");
|
jaroslav@2
|
414 |
break;
|
jaroslav@46
|
415 |
case bc_aconst_null:
|
jaroslav@46
|
416 |
out.append("stack.push(null);");
|
jaroslav@46
|
417 |
break;
|
jaroslav@48
|
418 |
case bc_iconst_m1:
|
jaroslav@48
|
419 |
out.append("stack.push(-1);");
|
jaroslav@48
|
420 |
break;
|
jaroslav@4
|
421 |
case bc_iconst_0:
|
jaroslav@4
|
422 |
case bc_dconst_0:
|
jaroslav@4
|
423 |
case bc_lconst_0:
|
jaroslav@4
|
424 |
case bc_fconst_0:
|
jaroslav@4
|
425 |
out.append("stack.push(0);");
|
jaroslav@4
|
426 |
break;
|
jaroslav@4
|
427 |
case bc_iconst_1:
|
jaroslav@4
|
428 |
case bc_lconst_1:
|
jaroslav@4
|
429 |
case bc_fconst_1:
|
jaroslav@4
|
430 |
case bc_dconst_1:
|
jaroslav@4
|
431 |
out.append("stack.push(1);");
|
jaroslav@4
|
432 |
break;
|
jaroslav@4
|
433 |
case bc_iconst_2:
|
jaroslav@4
|
434 |
case bc_fconst_2:
|
jaroslav@4
|
435 |
out.append("stack.push(2);");
|
jaroslav@4
|
436 |
break;
|
jaroslav@4
|
437 |
case bc_iconst_3:
|
jaroslav@4
|
438 |
out.append("stack.push(3);");
|
jaroslav@4
|
439 |
break;
|
jaroslav@4
|
440 |
case bc_iconst_4:
|
jaroslav@4
|
441 |
out.append("stack.push(4);");
|
jaroslav@4
|
442 |
break;
|
jaroslav@4
|
443 |
case bc_iconst_5:
|
jaroslav@4
|
444 |
out.append("stack.push(5);");
|
jaroslav@4
|
445 |
break;
|
jaroslav@20
|
446 |
case bc_ldc: {
|
jtulach@128
|
447 |
int indx = readByte(byteCodes, ++i);
|
jaroslav@20
|
448 |
CPEntry entry = jc.getConstantPool().get(indx);
|
jaroslav@21
|
449 |
String v = encodeConstant(entry);
|
jaroslav@21
|
450 |
out.append("stack.push(").append(v).append(");");
|
jaroslav@20
|
451 |
break;
|
jaroslav@20
|
452 |
}
|
jaroslav@8
|
453 |
case bc_ldc_w:
|
jaroslav@8
|
454 |
case bc_ldc2_w: {
|
jaroslav@8
|
455 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@8
|
456 |
CPEntry entry = jc.getConstantPool().get(indx);
|
jaroslav@8
|
457 |
i += 2;
|
jaroslav@21
|
458 |
String v = encodeConstant(entry);
|
jaroslav@21
|
459 |
out.append("stack.push(").append(v).append(");");
|
jaroslav@8
|
460 |
break;
|
jaroslav@8
|
461 |
}
|
jaroslav@20
|
462 |
case bc_lcmp:
|
jaroslav@20
|
463 |
case bc_fcmpl:
|
jaroslav@20
|
464 |
case bc_fcmpg:
|
jaroslav@20
|
465 |
case bc_dcmpl:
|
jaroslav@20
|
466 |
case bc_dcmpg: {
|
jaroslav@20
|
467 |
out.append("{ var delta = stack.pop() - stack.pop(); stack.push(delta < 0 ?-1 : (delta == 0 ? 0 : 1)); }");
|
jaroslav@20
|
468 |
break;
|
jaroslav@20
|
469 |
}
|
jaroslav@104
|
470 |
case bc_if_acmpeq:
|
jaroslav@104
|
471 |
i = generateIf(byteCodes, i, "===");
|
jaroslav@104
|
472 |
break;
|
jaroslav@104
|
473 |
case bc_if_acmpne:
|
jaroslav@104
|
474 |
i = generateIf(byteCodes, i, "!=");
|
jaroslav@104
|
475 |
break;
|
jaroslav@4
|
476 |
case bc_if_icmpeq: {
|
jaroslav@4
|
477 |
i = generateIf(byteCodes, i, "==");
|
jaroslav@4
|
478 |
break;
|
jaroslav@4
|
479 |
}
|
jaroslav@7
|
480 |
case bc_ifeq: {
|
jaroslav@7
|
481 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@7
|
482 |
out.append("if (stack.pop() == 0) { gt = " + indx);
|
jaroslav@7
|
483 |
out.append("; continue; }");
|
jaroslav@7
|
484 |
i += 2;
|
jaroslav@7
|
485 |
break;
|
jaroslav@7
|
486 |
}
|
jaroslav@20
|
487 |
case bc_ifne: {
|
jaroslav@20
|
488 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@20
|
489 |
out.append("if (stack.pop() != 0) { gt = " + indx);
|
jaroslav@20
|
490 |
out.append("; continue; }");
|
jaroslav@20
|
491 |
i += 2;
|
jaroslav@20
|
492 |
break;
|
jaroslav@20
|
493 |
}
|
jaroslav@20
|
494 |
case bc_iflt: {
|
jaroslav@20
|
495 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@20
|
496 |
out.append("if (stack.pop() < 0) { gt = " + indx);
|
jaroslav@20
|
497 |
out.append("; continue; }");
|
jaroslav@20
|
498 |
i += 2;
|
jaroslav@20
|
499 |
break;
|
jaroslav@20
|
500 |
}
|
jaroslav@20
|
501 |
case bc_ifle: {
|
jaroslav@20
|
502 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@20
|
503 |
out.append("if (stack.pop() <= 0) { gt = " + indx);
|
jaroslav@20
|
504 |
out.append("; continue; }");
|
jaroslav@20
|
505 |
i += 2;
|
jaroslav@20
|
506 |
break;
|
jaroslav@20
|
507 |
}
|
jaroslav@20
|
508 |
case bc_ifgt: {
|
jaroslav@20
|
509 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@20
|
510 |
out.append("if (stack.pop() > 0) { gt = " + indx);
|
jaroslav@20
|
511 |
out.append("; continue; }");
|
jaroslav@20
|
512 |
i += 2;
|
jaroslav@20
|
513 |
break;
|
jaroslav@20
|
514 |
}
|
jaroslav@20
|
515 |
case bc_ifge: {
|
jaroslav@20
|
516 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@20
|
517 |
out.append("if (stack.pop() >= 0) { gt = " + indx);
|
jaroslav@20
|
518 |
out.append("; continue; }");
|
jaroslav@20
|
519 |
i += 2;
|
jaroslav@20
|
520 |
break;
|
jaroslav@20
|
521 |
}
|
jaroslav@16
|
522 |
case bc_ifnonnull: {
|
jaroslav@16
|
523 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@16
|
524 |
out.append("if (stack.pop()) { gt = " + indx);
|
jaroslav@16
|
525 |
out.append("; continue; }");
|
jaroslav@16
|
526 |
i += 2;
|
jaroslav@16
|
527 |
break;
|
jaroslav@16
|
528 |
}
|
jaroslav@16
|
529 |
case bc_ifnull: {
|
jaroslav@16
|
530 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@16
|
531 |
out.append("if (!stack.pop()) { gt = " + indx);
|
jaroslav@16
|
532 |
out.append("; continue; }");
|
jaroslav@16
|
533 |
i += 2;
|
jaroslav@16
|
534 |
break;
|
jaroslav@16
|
535 |
}
|
jaroslav@4
|
536 |
case bc_if_icmpne:
|
jaroslav@4
|
537 |
i = generateIf(byteCodes, i, "!=");
|
jaroslav@4
|
538 |
break;
|
jaroslav@4
|
539 |
case bc_if_icmplt:
|
jaroslav@4
|
540 |
i = generateIf(byteCodes, i, ">");
|
jaroslav@4
|
541 |
break;
|
jaroslav@4
|
542 |
case bc_if_icmple:
|
jaroslav@4
|
543 |
i = generateIf(byteCodes, i, ">=");
|
jaroslav@4
|
544 |
break;
|
jaroslav@4
|
545 |
case bc_if_icmpgt:
|
jaroslav@4
|
546 |
i = generateIf(byteCodes, i, "<");
|
jaroslav@4
|
547 |
break;
|
jaroslav@4
|
548 |
case bc_if_icmpge:
|
jaroslav@4
|
549 |
i = generateIf(byteCodes, i, "<=");
|
jaroslav@4
|
550 |
break;
|
jaroslav@5
|
551 |
case bc_goto: {
|
jaroslav@5
|
552 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@5
|
553 |
out.append("gt = " + indx).append("; continue;");
|
jaroslav@5
|
554 |
i += 2;
|
jaroslav@5
|
555 |
break;
|
jaroslav@5
|
556 |
}
|
jaroslav@115
|
557 |
case bc_lookupswitch: {
|
jtulach@128
|
558 |
int table = i / 4 * 4 + 4;
|
jaroslav@115
|
559 |
int dflt = i + readInt4(byteCodes, table);
|
jaroslav@115
|
560 |
table += 4;
|
jaroslav@115
|
561 |
int n = readInt4(byteCodes, table);
|
jaroslav@115
|
562 |
table += 4;
|
jaroslav@115
|
563 |
out.append("switch (stack.pop()) {\n");
|
jaroslav@115
|
564 |
while (n-- > 0) {
|
jaroslav@115
|
565 |
int cnstnt = readInt4(byteCodes, table);
|
jaroslav@115
|
566 |
table += 4;
|
jaroslav@115
|
567 |
int offset = i + readInt4(byteCodes, table);
|
jaroslav@115
|
568 |
table += 4;
|
jaroslav@115
|
569 |
out.append(" case " + cnstnt).append(": gt = " + offset).append("; continue;\n");
|
jaroslav@115
|
570 |
}
|
jaroslav@115
|
571 |
out.append(" default: gt = " + dflt).append("; continue;\n}");
|
jaroslav@115
|
572 |
i = table - 1;
|
jaroslav@115
|
573 |
break;
|
jaroslav@115
|
574 |
}
|
jaroslav@115
|
575 |
case bc_tableswitch: {
|
jtulach@128
|
576 |
int table = i / 4 * 4 + 4;
|
jaroslav@115
|
577 |
int dflt = i + readInt4(byteCodes, table);
|
jaroslav@115
|
578 |
table += 4;
|
jaroslav@115
|
579 |
int low = readInt4(byteCodes, table);
|
jaroslav@115
|
580 |
table += 4;
|
jaroslav@115
|
581 |
int high = readInt4(byteCodes, table);
|
jaroslav@115
|
582 |
table += 4;
|
jaroslav@115
|
583 |
out.append("switch (stack.pop()) {\n");
|
jaroslav@115
|
584 |
while (low <= high) {
|
jaroslav@115
|
585 |
int offset = i + readInt4(byteCodes, table);
|
jaroslav@115
|
586 |
table += 4;
|
jaroslav@115
|
587 |
out.append(" case " + low).append(": gt = " + offset).append("; continue;\n");
|
jaroslav@115
|
588 |
low++;
|
jaroslav@115
|
589 |
}
|
jaroslav@115
|
590 |
out.append(" default: gt = " + dflt).append("; continue;\n}");
|
jaroslav@115
|
591 |
i = table - 1;
|
jaroslav@115
|
592 |
break;
|
jaroslav@115
|
593 |
}
|
jaroslav@46
|
594 |
case bc_invokeinterface: {
|
jaroslav@46
|
595 |
i = invokeVirtualMethod(byteCodes, i) + 2;
|
jaroslav@46
|
596 |
break;
|
jaroslav@46
|
597 |
}
|
jaroslav@12
|
598 |
case bc_invokevirtual:
|
jaroslav@12
|
599 |
i = invokeVirtualMethod(byteCodes, i);
|
jaroslav@12
|
600 |
break;
|
jaroslav@10
|
601 |
case bc_invokespecial:
|
jaroslav@10
|
602 |
i = invokeStaticMethod(byteCodes, i, false);
|
jaroslav@4
|
603 |
break;
|
jaroslav@10
|
604 |
case bc_invokestatic:
|
jaroslav@10
|
605 |
i = invokeStaticMethod(byteCodes, i, true);
|
jaroslav@10
|
606 |
break;
|
jaroslav@8
|
607 |
case bc_new: {
|
jaroslav@8
|
608 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@8
|
609 |
CPClassInfo ci = jc.getConstantPool().getClass(indx);
|
jaroslav@8
|
610 |
out.append("stack.push(");
|
jaroslav@18
|
611 |
out.append("new ").append(ci.getClassName().getInternalName().replace('/','_'));
|
jaroslav@10
|
612 |
out.append(");");
|
jaroslav@18
|
613 |
addReference(ci.getClassName().getInternalName());
|
jaroslav@8
|
614 |
i += 2;
|
jaroslav@8
|
615 |
break;
|
jaroslav@8
|
616 |
}
|
jaroslav@21
|
617 |
case bc_newarray: {
|
jaroslav@21
|
618 |
int type = byteCodes[i++];
|
jaroslav@21
|
619 |
out.append("stack.push(new Array(stack.pop()));");
|
jaroslav@21
|
620 |
break;
|
jaroslav@21
|
621 |
}
|
jaroslav@21
|
622 |
case bc_anewarray: {
|
jaroslav@21
|
623 |
i += 2; // skip type of array
|
jaroslav@21
|
624 |
out.append("stack.push(new Array(stack.pop()));");
|
jaroslav@21
|
625 |
break;
|
jaroslav@21
|
626 |
}
|
jtulach@128
|
627 |
case bc_multianewarray: {
|
jtulach@128
|
628 |
i += 2;
|
jtulach@128
|
629 |
int dim = readByte(byteCodes, ++i);
|
jtulach@128
|
630 |
out.append("{ var a0 = new Array(stack.pop());");
|
jtulach@128
|
631 |
for (int d = 1; d < dim; d++) {
|
jtulach@128
|
632 |
out.append("\n var l" + d).append(" = stack.pop();");
|
jtulach@128
|
633 |
out.append("\n for (var i" + d).append (" = 0; i" + d).
|
jtulach@128
|
634 |
append(" < a" + (d - 1)).
|
jtulach@128
|
635 |
append(".length; i" + d).append("++) {");
|
jtulach@128
|
636 |
out.append("\n var a" + d).
|
jtulach@128
|
637 |
append (" = new Array(l" + d).append(");");
|
jtulach@128
|
638 |
out.append("\n a" + (d - 1)).append("[i" + d).append("] = a" + d).
|
jtulach@128
|
639 |
append(";");
|
jtulach@128
|
640 |
}
|
jtulach@128
|
641 |
for (int d = 1; d < dim; d++) {
|
jtulach@128
|
642 |
out.append("\n }");
|
jtulach@128
|
643 |
}
|
jtulach@128
|
644 |
out.append("\nstack.push(a0); }");
|
jtulach@128
|
645 |
break;
|
jtulach@128
|
646 |
}
|
jaroslav@21
|
647 |
case bc_arraylength:
|
jaroslav@21
|
648 |
out.append("stack.push(stack.pop().length);");
|
jaroslav@21
|
649 |
break;
|
jaroslav@21
|
650 |
case bc_iastore:
|
jaroslav@21
|
651 |
case bc_lastore:
|
jaroslav@21
|
652 |
case bc_fastore:
|
jaroslav@21
|
653 |
case bc_dastore:
|
jaroslav@21
|
654 |
case bc_aastore:
|
jaroslav@21
|
655 |
case bc_bastore:
|
jaroslav@21
|
656 |
case bc_castore:
|
jaroslav@21
|
657 |
case bc_sastore: {
|
jaroslav@21
|
658 |
out.append("{ var value = stack.pop(); var indx = stack.pop(); stack.pop()[indx] = value; }");
|
jaroslav@21
|
659 |
break;
|
jaroslav@21
|
660 |
}
|
jaroslav@21
|
661 |
case bc_iaload:
|
jaroslav@21
|
662 |
case bc_laload:
|
jaroslav@21
|
663 |
case bc_faload:
|
jaroslav@21
|
664 |
case bc_daload:
|
jaroslav@21
|
665 |
case bc_aaload:
|
jaroslav@21
|
666 |
case bc_baload:
|
jaroslav@21
|
667 |
case bc_caload:
|
jaroslav@21
|
668 |
case bc_saload: {
|
jaroslav@21
|
669 |
out.append("{ var indx = stack.pop(); stack.push(stack.pop()[indx]); }");
|
jaroslav@21
|
670 |
break;
|
jaroslav@21
|
671 |
}
|
jaroslav@93
|
672 |
case bc_pop2:
|
jaroslav@93
|
673 |
out.append("stack.pop();");
|
jaroslav@93
|
674 |
case bc_pop:
|
jaroslav@93
|
675 |
out.append("stack.pop();");
|
jaroslav@93
|
676 |
break;
|
jaroslav@8
|
677 |
case bc_dup:
|
jaroslav@8
|
678 |
out.append("stack.push(stack[stack.length - 1]);");
|
jaroslav@8
|
679 |
break;
|
jaroslav@8
|
680 |
case bc_bipush:
|
jaroslav@8
|
681 |
out.append("stack.push(" + byteCodes[++i] + ");");
|
jaroslav@8
|
682 |
break;
|
jaroslav@31
|
683 |
case bc_sipush:
|
jaroslav@31
|
684 |
out.append("stack.push(" + readIntArg(byteCodes, i) + ");");
|
jaroslav@31
|
685 |
i += 2;
|
jaroslav@31
|
686 |
break;
|
jaroslav@8
|
687 |
case bc_getfield: {
|
jaroslav@8
|
688 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@8
|
689 |
CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
|
jaroslav@21
|
690 |
out.append("stack.push(stack.pop().").append(fi.getFieldName()).append(");");
|
jaroslav@8
|
691 |
i += 2;
|
jaroslav@8
|
692 |
break;
|
jaroslav@8
|
693 |
}
|
jaroslav@9
|
694 |
case bc_getstatic: {
|
jaroslav@9
|
695 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@9
|
696 |
CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
|
jaroslav@18
|
697 |
final String in = fi.getClassName().getInternalName();
|
jaroslav@18
|
698 |
out.append("stack.push(").append(in.replace('/', '_'));
|
jaroslav@9
|
699 |
out.append('_').append(fi.getFieldName()).append(");");
|
jaroslav@9
|
700 |
i += 2;
|
jaroslav@18
|
701 |
addReference(in);
|
jaroslav@9
|
702 |
break;
|
jaroslav@9
|
703 |
}
|
jaroslav@9
|
704 |
case bc_putstatic: {
|
jaroslav@9
|
705 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@9
|
706 |
CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
|
jaroslav@18
|
707 |
final String in = fi.getClassName().getInternalName();
|
jaroslav@18
|
708 |
out.append(in.replace('/', '_'));
|
jaroslav@9
|
709 |
out.append('_').append(fi.getFieldName()).append(" = stack.pop();");
|
jaroslav@9
|
710 |
i += 2;
|
jaroslav@18
|
711 |
addReference(in);
|
jaroslav@9
|
712 |
break;
|
jaroslav@9
|
713 |
}
|
jaroslav@10
|
714 |
case bc_putfield: {
|
jaroslav@10
|
715 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@10
|
716 |
CPFieldInfo fi = (CPFieldInfo) jc.getConstantPool().get(indx);
|
jaroslav@10
|
717 |
out.append("{ var v = stack.pop(); stack.pop().")
|
jaroslav@10
|
718 |
.append(fi.getFieldName()).append(" = v; }");
|
jaroslav@10
|
719 |
i += 2;
|
jaroslav@10
|
720 |
break;
|
jaroslav@10
|
721 |
}
|
jaroslav@30
|
722 |
case bc_checkcast: {
|
jaroslav@30
|
723 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@30
|
724 |
CPClassInfo ci = jc.getConstantPool().getClass(indx);
|
jaroslav@42
|
725 |
final String type = ci.getClassName().getType();
|
jaroslav@42
|
726 |
if (!type.startsWith("[")) {
|
jaroslav@42
|
727 |
// no way to check arrays right now
|
jaroslav@42
|
728 |
out.append("if(stack[stack.length - 1].$instOf_")
|
jaroslav@42
|
729 |
.append(type.replace('/', '_'))
|
jaroslav@42
|
730 |
.append(" != 1) throw {};"); // XXX proper exception
|
jaroslav@42
|
731 |
}
|
jaroslav@30
|
732 |
i += 2;
|
jaroslav@30
|
733 |
break;
|
jaroslav@30
|
734 |
}
|
jaroslav@17
|
735 |
case bc_instanceof: {
|
jaroslav@17
|
736 |
int indx = readIntArg(byteCodes, i);
|
jaroslav@17
|
737 |
CPClassInfo ci = jc.getConstantPool().getClass(indx);
|
jaroslav@17
|
738 |
out.append("stack.push(stack.pop().$instOf_")
|
jaroslav@18
|
739 |
.append(ci.getClassName().getInternalName().replace('/', '_'))
|
jaroslav@17
|
740 |
.append(" ? 1 : 0);");
|
jaroslav@17
|
741 |
i += 2;
|
jaroslav@30
|
742 |
break;
|
jaroslav@17
|
743 |
}
|
jaroslav@104
|
744 |
case bc_athrow: {
|
jaroslav@104
|
745 |
out.append("{ var t = stack.pop(); stack = new Array(1); stack[0] = t; throw t; }");
|
jaroslav@104
|
746 |
break;
|
jaroslav@104
|
747 |
}
|
jaroslav@104
|
748 |
default: {
|
jaroslav@104
|
749 |
out.append("throw 'unknown bytecode " + c + "';");
|
jaroslav@104
|
750 |
}
|
jaroslav@8
|
751 |
|
jaroslav@0
|
752 |
}
|
jaroslav@39
|
753 |
out.append(" //");
|
jaroslav@0
|
754 |
for (int j = prev; j <= i; j++) {
|
jaroslav@0
|
755 |
out.append(" ");
|
jtulach@128
|
756 |
final int cc = readByte(byteCodes, j);
|
jaroslav@0
|
757 |
out.append(Integer.toString(cc));
|
jaroslav@0
|
758 |
}
|
jaroslav@39
|
759 |
out.append("\n");
|
jaroslav@0
|
760 |
}
|
jaroslav@10
|
761 |
out.append(" }\n");
|
jaroslav@4
|
762 |
}
|
jaroslav@4
|
763 |
|
jaroslav@4
|
764 |
private int generateIf(byte[] byteCodes, int i, final String test) throws IOException {
|
jaroslav@4
|
765 |
int indx = i + readIntArg(byteCodes, i);
|
jaroslav@4
|
766 |
out.append("if (stack.pop() ").append(test).append(" stack.pop()) { gt = " + indx);
|
jaroslav@4
|
767 |
out.append("; continue; }");
|
jaroslav@4
|
768 |
return i + 2;
|
jaroslav@4
|
769 |
}
|
jaroslav@4
|
770 |
|
jaroslav@4
|
771 |
private int readIntArg(byte[] byteCodes, int offsetInstruction) {
|
jaroslav@5
|
772 |
final int indxHi = byteCodes[offsetInstruction + 1] << 8;
|
jaroslav@5
|
773 |
final int indxLo = byteCodes[offsetInstruction + 2];
|
jaroslav@5
|
774 |
return (indxHi & 0xffffff00) | (indxLo & 0xff);
|
jaroslav@4
|
775 |
}
|
jaroslav@115
|
776 |
private int readInt4(byte[] byteCodes, int offsetInstruction) {
|
jaroslav@115
|
777 |
final int d = byteCodes[offsetInstruction + 0] << 24;
|
jaroslav@115
|
778 |
final int c = byteCodes[offsetInstruction + 1] << 16;
|
jaroslav@115
|
779 |
final int b = byteCodes[offsetInstruction + 2] << 8;
|
jaroslav@115
|
780 |
final int a = byteCodes[offsetInstruction + 3];
|
jaroslav@115
|
781 |
return (d & 0xff000000) | (c & 0xff0000) | (b & 0xff00) | (a & 0xff);
|
jaroslav@115
|
782 |
}
|
jtulach@128
|
783 |
private int readByte(byte[] byteCodes, int offsetInstruction) {
|
jtulach@128
|
784 |
return (byteCodes[offsetInstruction] + 256) % 256;
|
jtulach@128
|
785 |
}
|
jaroslav@4
|
786 |
|
jaroslav@4
|
787 |
private static int countArgs(String descriptor, boolean[] hasReturnType, StringBuilder sig) {
|
jaroslav@4
|
788 |
int cnt = 0;
|
jaroslav@4
|
789 |
int i = 0;
|
jaroslav@4
|
790 |
Boolean count = null;
|
jaroslav@32
|
791 |
boolean array = false;
|
jaroslav@10
|
792 |
int firstPos = sig.length();
|
jaroslav@4
|
793 |
while (i < descriptor.length()) {
|
jaroslav@4
|
794 |
char ch = descriptor.charAt(i++);
|
jaroslav@4
|
795 |
switch (ch) {
|
jaroslav@4
|
796 |
case '(':
|
jaroslav@4
|
797 |
count = true;
|
jaroslav@4
|
798 |
continue;
|
jaroslav@4
|
799 |
case ')':
|
jaroslav@4
|
800 |
count = false;
|
jaroslav@4
|
801 |
continue;
|
jaroslav@32
|
802 |
case 'A':
|
jaroslav@32
|
803 |
array = true;
|
jaroslav@32
|
804 |
break;
|
jaroslav@4
|
805 |
case 'B':
|
jaroslav@4
|
806 |
case 'C':
|
jaroslav@4
|
807 |
case 'D':
|
jaroslav@4
|
808 |
case 'F':
|
jaroslav@4
|
809 |
case 'I':
|
jaroslav@4
|
810 |
case 'J':
|
jaroslav@4
|
811 |
case 'S':
|
jaroslav@4
|
812 |
case 'Z':
|
jaroslav@4
|
813 |
if (count) {
|
jaroslav@4
|
814 |
cnt++;
|
jaroslav@32
|
815 |
if (array) {
|
jaroslav@32
|
816 |
sig.append('A');
|
jaroslav@32
|
817 |
}
|
jaroslav@4
|
818 |
sig.append(ch);
|
jaroslav@4
|
819 |
} else {
|
jaroslav@4
|
820 |
hasReturnType[0] = true;
|
jaroslav@10
|
821 |
sig.insert(firstPos, ch);
|
jaroslav@32
|
822 |
if (array) {
|
jaroslav@32
|
823 |
sig.insert(firstPos, 'A');
|
jaroslav@32
|
824 |
}
|
jaroslav@4
|
825 |
}
|
jaroslav@93
|
826 |
array = false;
|
jaroslav@4
|
827 |
continue;
|
jaroslav@4
|
828 |
case 'V':
|
jaroslav@4
|
829 |
assert !count;
|
jaroslav@4
|
830 |
hasReturnType[0] = false;
|
jaroslav@10
|
831 |
sig.insert(firstPos, 'V');
|
jaroslav@4
|
832 |
continue;
|
jaroslav@4
|
833 |
case 'L':
|
jaroslav@16
|
834 |
int next = descriptor.indexOf(';', i);
|
jaroslav@4
|
835 |
if (count) {
|
jaroslav@4
|
836 |
cnt++;
|
jaroslav@32
|
837 |
if (array) {
|
jaroslav@32
|
838 |
sig.append('A');
|
jaroslav@32
|
839 |
}
|
jaroslav@16
|
840 |
sig.append(ch);
|
jaroslav@16
|
841 |
sig.append(descriptor.substring(i, next).replace('/', '_'));
|
jaroslav@4
|
842 |
} else {
|
jaroslav@16
|
843 |
sig.insert(firstPos, descriptor.substring(i, next).replace('/', '_'));
|
jaroslav@16
|
844 |
sig.insert(firstPos, ch);
|
jaroslav@32
|
845 |
if (array) {
|
jaroslav@33
|
846 |
sig.insert(firstPos, 'A');
|
jaroslav@32
|
847 |
}
|
jaroslav@4
|
848 |
hasReturnType[0] = true;
|
jaroslav@4
|
849 |
}
|
jaroslav@16
|
850 |
i = next + 1;
|
jaroslav@4
|
851 |
continue;
|
jaroslav@4
|
852 |
case '[':
|
jaroslav@4
|
853 |
//arrays++;
|
jaroslav@4
|
854 |
continue;
|
jaroslav@4
|
855 |
default:
|
jaroslav@4
|
856 |
break; // invalid character
|
jaroslav@4
|
857 |
}
|
jaroslav@4
|
858 |
}
|
jaroslav@4
|
859 |
return cnt;
|
jaroslav@0
|
860 |
}
|
jaroslav@9
|
861 |
|
jaroslav@9
|
862 |
private void generateStaticField(Variable v) throws IOException {
|
jaroslav@9
|
863 |
out.append("\nvar ")
|
jaroslav@18
|
864 |
.append(jc.getName().getInternalName().replace('/', '_'))
|
jaroslav@9
|
865 |
.append('_').append(v.getName()).append(" = 0;");
|
jaroslav@9
|
866 |
}
|
jaroslav@10
|
867 |
|
jaroslav@10
|
868 |
private String findMethodName(Method m) {
|
jaroslav@42
|
869 |
StringBuilder name = new StringBuilder();
|
jaroslav@42
|
870 |
String descr = m.getDescriptor();
|
jaroslav@10
|
871 |
if ("<init>".equals(m.getName())) { // NOI18N
|
jaroslav@42
|
872 |
name.append("cons"); // NOI18N
|
jaroslav@19
|
873 |
} else if ("<clinit>".equals(m.getName())) { // NOI18N
|
jaroslav@42
|
874 |
name.append("class"); // NOI18N
|
jaroslav@10
|
875 |
} else {
|
jaroslav@42
|
876 |
name.append(m.getName());
|
jaroslav@10
|
877 |
}
|
jaroslav@42
|
878 |
|
jaroslav@42
|
879 |
boolean hasReturn[] = { false };
|
jaroslav@42
|
880 |
countArgs(findDescriptor(m.getDescriptor()), hasReturn, name);
|
jaroslav@42
|
881 |
return name.toString();
|
jaroslav@10
|
882 |
}
|
jaroslav@10
|
883 |
|
jaroslav@10
|
884 |
private String findMethodName(CPMethodInfo mi, int[] cnt, boolean[] hasReturn) {
|
jaroslav@10
|
885 |
StringBuilder name = new StringBuilder();
|
jaroslav@42
|
886 |
String descr = mi.getDescriptor();
|
jaroslav@10
|
887 |
if ("<init>".equals(mi.getName())) { // NOI18N
|
jaroslav@10
|
888 |
name.append("cons"); // NOI18N
|
jaroslav@10
|
889 |
} else {
|
jaroslav@10
|
890 |
name.append(mi.getName());
|
jaroslav@10
|
891 |
}
|
jaroslav@32
|
892 |
cnt[0] = countArgs(findDescriptor(mi.getDescriptor()), hasReturn, name);
|
jaroslav@10
|
893 |
return name.toString();
|
jaroslav@10
|
894 |
}
|
jaroslav@10
|
895 |
|
jaroslav@10
|
896 |
private int invokeStaticMethod(byte[] byteCodes, int i, boolean isStatic)
|
jaroslav@10
|
897 |
throws IOException {
|
jaroslav@10
|
898 |
int methodIndex = readIntArg(byteCodes, i);
|
jaroslav@10
|
899 |
CPMethodInfo mi = (CPMethodInfo) jc.getConstantPool().get(methodIndex);
|
jaroslav@10
|
900 |
boolean[] hasReturn = { false };
|
jaroslav@10
|
901 |
int[] cnt = { 0 };
|
jaroslav@10
|
902 |
String mn = findMethodName(mi, cnt, hasReturn);
|
jaroslav@11
|
903 |
out.append("{ ");
|
jaroslav@11
|
904 |
for (int j = cnt[0] - 1; j >= 0; j--) {
|
jaroslav@11
|
905 |
out.append("var v" + j).append(" = stack.pop(); ");
|
jaroslav@11
|
906 |
}
|
jaroslav@11
|
907 |
|
jaroslav@10
|
908 |
if (hasReturn[0]) {
|
jaroslav@10
|
909 |
out.append("stack.push(");
|
jaroslav@10
|
910 |
}
|
jaroslav@18
|
911 |
final String in = mi.getClassName().getInternalName();
|
jaroslav@18
|
912 |
out.append(in.replace('/', '_'));
|
jaroslav@102
|
913 |
if (isStatic) {
|
jaroslav@102
|
914 |
out.append(".prototype.");
|
jaroslav@102
|
915 |
} else {
|
jaroslav@102
|
916 |
out.append('_');
|
jaroslav@102
|
917 |
}
|
jaroslav@10
|
918 |
out.append(mn);
|
jaroslav@10
|
919 |
out.append('(');
|
jaroslav@10
|
920 |
String sep = "";
|
jaroslav@10
|
921 |
if (!isStatic) {
|
jaroslav@10
|
922 |
out.append("stack.pop()");
|
jaroslav@10
|
923 |
sep = ", ";
|
jaroslav@10
|
924 |
}
|
jaroslav@10
|
925 |
for (int j = 0; j < cnt[0]; j++) {
|
jaroslav@10
|
926 |
out.append(sep);
|
jaroslav@11
|
927 |
out.append("v" + j);
|
jaroslav@10
|
928 |
sep = ", ";
|
jaroslav@10
|
929 |
}
|
jaroslav@10
|
930 |
out.append(")");
|
jaroslav@10
|
931 |
if (hasReturn[0]) {
|
jaroslav@10
|
932 |
out.append(")");
|
jaroslav@10
|
933 |
}
|
jaroslav@11
|
934 |
out.append("; }");
|
jaroslav@10
|
935 |
i += 2;
|
jaroslav@18
|
936 |
addReference(in);
|
jaroslav@10
|
937 |
return i;
|
jaroslav@10
|
938 |
}
|
jaroslav@12
|
939 |
private int invokeVirtualMethod(byte[] byteCodes, int i)
|
jaroslav@12
|
940 |
throws IOException {
|
jaroslav@12
|
941 |
int methodIndex = readIntArg(byteCodes, i);
|
jaroslav@12
|
942 |
CPMethodInfo mi = (CPMethodInfo) jc.getConstantPool().get(methodIndex);
|
jaroslav@12
|
943 |
boolean[] hasReturn = { false };
|
jaroslav@12
|
944 |
int[] cnt = { 0 };
|
jaroslav@12
|
945 |
String mn = findMethodName(mi, cnt, hasReturn);
|
jaroslav@12
|
946 |
out.append("{ ");
|
jaroslav@12
|
947 |
for (int j = cnt[0] - 1; j >= 0; j--) {
|
jaroslav@12
|
948 |
out.append("var v" + j).append(" = stack.pop(); ");
|
jaroslav@12
|
949 |
}
|
jaroslav@12
|
950 |
out.append("var self = stack.pop(); ");
|
jaroslav@12
|
951 |
if (hasReturn[0]) {
|
jaroslav@12
|
952 |
out.append("stack.push(");
|
jaroslav@12
|
953 |
}
|
jaroslav@12
|
954 |
out.append("self.");
|
jaroslav@12
|
955 |
out.append(mn);
|
jaroslav@12
|
956 |
out.append('(');
|
jaroslav@12
|
957 |
out.append("self");
|
jaroslav@12
|
958 |
for (int j = 0; j < cnt[0]; j++) {
|
jaroslav@12
|
959 |
out.append(", ");
|
jaroslav@12
|
960 |
out.append("v" + j);
|
jaroslav@12
|
961 |
}
|
jaroslav@12
|
962 |
out.append(")");
|
jaroslav@12
|
963 |
if (hasReturn[0]) {
|
jaroslav@12
|
964 |
out.append(")");
|
jaroslav@12
|
965 |
}
|
jaroslav@12
|
966 |
out.append("; }");
|
jaroslav@12
|
967 |
i += 2;
|
jaroslav@12
|
968 |
return i;
|
jaroslav@12
|
969 |
}
|
jaroslav@18
|
970 |
|
jaroslav@103
|
971 |
private void addReference(String cn) throws IOException {
|
jaroslav@18
|
972 |
if (references != null) {
|
jtulach@129
|
973 |
if (references.add(cn)) {
|
jtulach@129
|
974 |
out.append(" /* needs ").append(cn).append(" */");
|
jtulach@129
|
975 |
}
|
jaroslav@18
|
976 |
}
|
jaroslav@18
|
977 |
}
|
jaroslav@16
|
978 |
|
jaroslav@33
|
979 |
private void outType(String d, StringBuilder out) {
|
jaroslav@33
|
980 |
int arr = 0;
|
jaroslav@33
|
981 |
while (d.charAt(0) == '[') {
|
jaroslav@33
|
982 |
out.append('A');
|
jaroslav@33
|
983 |
d = d.substring(1);
|
jaroslav@33
|
984 |
}
|
jaroslav@16
|
985 |
if (d.charAt(0) == 'L') {
|
jaroslav@16
|
986 |
assert d.charAt(d.length() - 1) == ';';
|
jaroslav@16
|
987 |
out.append(d.replace('/', '_').substring(0, d.length() - 1));
|
jaroslav@16
|
988 |
} else {
|
jaroslav@16
|
989 |
out.append(d);
|
jaroslav@16
|
990 |
}
|
jaroslav@16
|
991 |
}
|
jaroslav@21
|
992 |
|
jaroslav@21
|
993 |
private String encodeConstant(CPEntry entry) {
|
jaroslav@21
|
994 |
final String v;
|
jaroslav@93
|
995 |
if (entry instanceof CPClassInfo) {
|
jaroslav@93
|
996 |
v = "new java_lang_Class";
|
jaroslav@93
|
997 |
} else if (entry instanceof CPStringInfo) {
|
jaroslav@21
|
998 |
v = "\"" + entry.getValue().toString().replace("\"", "\\\"") + "\"";
|
jaroslav@21
|
999 |
} else {
|
jaroslav@21
|
1000 |
v = entry.getValue().toString();
|
jaroslav@21
|
1001 |
}
|
jaroslav@21
|
1002 |
return v;
|
jaroslav@21
|
1003 |
}
|
jaroslav@32
|
1004 |
|
jaroslav@32
|
1005 |
private String findDescriptor(String d) {
|
jaroslav@32
|
1006 |
return d.replace('[', 'A');
|
jaroslav@32
|
1007 |
}
|
jaroslav@94
|
1008 |
|
jaroslav@94
|
1009 |
private boolean javaScriptBody(Method m, boolean isStatic) throws IOException {
|
jaroslav@94
|
1010 |
final ClassName extraAnn = ClassName.getClassName(JavaScriptBody.class.getName().replace('.', '/'));
|
jaroslav@94
|
1011 |
Annotation a = m.getAnnotation(extraAnn);
|
jaroslav@94
|
1012 |
if (a != null) {
|
jaroslav@94
|
1013 |
final ElementValue annVal = a.getComponent("body").getValue();
|
jaroslav@94
|
1014 |
String body = ((PrimitiveElementValue) annVal).getValue().getValue().toString();
|
jaroslav@94
|
1015 |
|
jaroslav@94
|
1016 |
final ArrayElementValue arrVal = (ArrayElementValue) a.getComponent("args").getValue();
|
jaroslav@94
|
1017 |
final int len = arrVal.getValues().length;
|
jaroslav@94
|
1018 |
String[] names = new String[len];
|
jaroslav@94
|
1019 |
for (int i = 0; i < len; i++) {
|
jaroslav@94
|
1020 |
names[i] = ((PrimitiveElementValue) arrVal.getValues()[i]).getValue().getValue().toString();
|
jaroslav@94
|
1021 |
}
|
jaroslav@94
|
1022 |
out.append("\nfunction ").append(
|
jaroslav@94
|
1023 |
jc.getName().getInternalName().replace('/', '_')).append('_').append(findMethodName(m));
|
jaroslav@94
|
1024 |
out.append("(");
|
jaroslav@94
|
1025 |
String space;
|
jaroslav@94
|
1026 |
int index;
|
jaroslav@94
|
1027 |
if (!isStatic) {
|
jaroslav@94
|
1028 |
out.append(names[0]);
|
jaroslav@94
|
1029 |
space = ",";
|
jaroslav@94
|
1030 |
index = 1;
|
jaroslav@94
|
1031 |
} else {
|
jaroslav@94
|
1032 |
space = "";
|
jaroslav@94
|
1033 |
index = 0;
|
jaroslav@94
|
1034 |
}
|
jaroslav@94
|
1035 |
List<Parameter> args = m.getParameters();
|
jaroslav@94
|
1036 |
for (int i = 0; i < args.size(); i++) {
|
jaroslav@94
|
1037 |
out.append(space);
|
jaroslav@94
|
1038 |
out.append(names[index]);
|
jaroslav@94
|
1039 |
final String desc = findDescriptor(args.get(i).getDescriptor());
|
jaroslav@94
|
1040 |
index++;
|
jaroslav@99
|
1041 |
space = ",";
|
jaroslav@94
|
1042 |
}
|
jaroslav@94
|
1043 |
out.append(") {").append("\n");
|
jaroslav@94
|
1044 |
out.append(body);
|
jaroslav@94
|
1045 |
out.append("\n}\n");
|
jaroslav@94
|
1046 |
return true;
|
jaroslav@94
|
1047 |
}
|
jaroslav@94
|
1048 |
return false;
|
jaroslav@94
|
1049 |
}
|
jaroslav@0
|
1050 |
}
|