jaroslav@106
|
1 |
/**
|
jaroslav@106
|
2 |
* Back 2 Browser Bytecode Translator
|
jaroslav@1787
|
3 |
* Copyright (C) 2012-2015 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@29
|
18 |
package org.apidesign.vm4brwsr;
|
jaroslav@29
|
19 |
|
jaroslav@29
|
20 |
import java.io.IOException;
|
jaroslav@29
|
21 |
import java.io.InputStream;
|
jaroslav@1495
|
22 |
import org.apidesign.bck2brwsr.core.JavaScriptBody;
|
lubomir@1029
|
23 |
import org.apidesign.vm4brwsr.ByteCodeParser.ClassData;
|
lubomir@1083
|
24 |
import org.apidesign.vm4brwsr.ByteCodeParser.FieldData;
|
lubomir@1083
|
25 |
import org.apidesign.vm4brwsr.ByteCodeParser.MethodData;
|
jaroslav@29
|
26 |
|
jaroslav@29
|
27 |
/** Generator of JavaScript from bytecode of classes on classpath of the VM.
|
jaroslav@29
|
28 |
*
|
jaroslav@29
|
29 |
* @author Jaroslav Tulach <jtulach@netbeans.org>
|
jaroslav@29
|
30 |
*/
|
lubomir@1020
|
31 |
abstract class VM extends ByteCodeToJavaScript {
|
lubomir@1084
|
32 |
protected final ClassDataCache classDataCache;
|
lubomir@1084
|
33 |
|
lubomir@1084
|
34 |
private final Bck2Brwsr.Resources resources;
|
lubomir@1029
|
35 |
private final ExportedSymbols exportedSymbols;
|
jaroslav@1797
|
36 |
private final StringBuilder invokerMethods;
|
jaroslav@1587
|
37 |
private final StringArray asBinary;
|
jaroslav@1730
|
38 |
int exportedCount;
|
lubomir@1029
|
39 |
|
jaroslav@1587
|
40 |
private VM(
|
jaroslav@1587
|
41 |
Appendable out, Bck2Brwsr.Resources resources,
|
jaroslav@1587
|
42 |
StringArray explicitlyExported, StringArray asBinary
|
jaroslav@1587
|
43 |
) {
|
jtulach@162
|
44 |
super(out);
|
lubomir@1029
|
45 |
this.resources = resources;
|
lubomir@1084
|
46 |
this.classDataCache = new ClassDataCache(resources);
|
jaroslav@1491
|
47 |
this.exportedSymbols = new ExportedSymbols(resources, explicitlyExported);
|
jaroslav@1797
|
48 |
this.invokerMethods = new StringBuilder();
|
jaroslav@1587
|
49 |
this.asBinary = asBinary;
|
lubomir@869
|
50 |
}
|
lubomir@869
|
51 |
|
jaroslav@277
|
52 |
static {
|
jaroslav@277
|
53 |
// uses VMLazy to load dynamic classes
|
jaroslav@671
|
54 |
boolean assertsOn = false;
|
jaroslav@671
|
55 |
assert assertsOn = true;
|
jaroslav@671
|
56 |
if (assertsOn) {
|
jaroslav@671
|
57 |
VMLazy.init();
|
jaroslav@1550
|
58 |
ClassPath.init();
|
jaroslav@671
|
59 |
}
|
jaroslav@277
|
60 |
}
|
jaroslav@399
|
61 |
|
jaroslav@399
|
62 |
@Override
|
jaroslav@399
|
63 |
boolean debug(String msg) throws IOException {
|
jaroslav@399
|
64 |
return false;
|
jaroslav@399
|
65 |
}
|
jaroslav@277
|
66 |
|
jaroslav@1491
|
67 |
static void compile(Appendable out,
|
jaroslav@1493
|
68 |
Bck2Brwsr config
|
jaroslav@1491
|
69 |
) throws IOException {
|
jaroslav@1583
|
70 |
String[] both = config.classes().toArray();
|
jaroslav@1491
|
71 |
|
lubomir@1143
|
72 |
final StringArray fixedNames = new StringArray();
|
jaroslav@1942
|
73 |
boolean addThree = false;
|
jaroslav@1584
|
74 |
|
jaroslav@1584
|
75 |
VM vm;
|
jaroslav@1584
|
76 |
if (config.isExtension()) {
|
jaroslav@1584
|
77 |
fixedNames.add(VM.class.getName().replace('.', '/'));
|
jaroslav@1587
|
78 |
vm = new Extension(out,
|
jaroslav@1587
|
79 |
config.getResources(), both, config.exported(),
|
jaroslav@1604
|
80 |
config.allResources(), config.classpath()
|
jaroslav@1587
|
81 |
);
|
jaroslav@1942
|
82 |
addThree = true;
|
jaroslav@1584
|
83 |
} else {
|
jaroslav@1584
|
84 |
if (config.includeVM()) {
|
jaroslav@1584
|
85 |
fixedNames.add(VM.class.getName().replace('.', '/'));
|
jaroslav@1942
|
86 |
addThree = true;
|
jaroslav@1584
|
87 |
}
|
jaroslav@1587
|
88 |
vm = new Standalone(out,
|
jaroslav@1587
|
89 |
config.getResources(), config.exported(),
|
jaroslav@1587
|
90 |
config.allResources()
|
jaroslav@1587
|
91 |
);
|
jaroslav@1584
|
92 |
}
|
jaroslav@1942
|
93 |
if (addThree) {
|
jaroslav@1942
|
94 |
fixedNames.add(Object.class.getName().replace('.', '/'));
|
jaroslav@1942
|
95 |
fixedNames.add(Class.class.getName().replace('.', '/'));
|
jaroslav@1942
|
96 |
fixedNames.add(ArithmeticException.class.getName().replace('.', '/'));
|
jaroslav@1942
|
97 |
}
|
jaroslav@1587
|
98 |
vm.doCompile(fixedNames.addAndNew(both));
|
jaroslav@29
|
99 |
}
|
lubomir@869
|
100 |
|
jaroslav@1587
|
101 |
private void doCompile(StringArray names) throws IOException {
|
lubomir@1020
|
102 |
generatePrologue();
|
jaroslav@1902
|
103 |
append("\n var invoker = {};");
|
jaroslav@1902
|
104 |
append("\n function registerClass(vm, name, fn) {");
|
jaroslav@1902
|
105 |
append("\n if (!vm[name]) vm[name] = fn;");
|
jaroslav@1902
|
106 |
append("\n return vm[name];");
|
jaroslav@1902
|
107 |
append("\n }");
|
lubomir@1029
|
108 |
generateBody(names);
|
jaroslav@1797
|
109 |
append(invokerMethods);
|
jaroslav@1495
|
110 |
|
jaroslav@1495
|
111 |
for (String r : asBinary.toArray()) {
|
jaroslav@1558
|
112 |
append("\n ").append(getExportsObject()).append("['registerResource']('");
|
jaroslav@1513
|
113 |
append(r).append("', '");
|
jaroslav@1495
|
114 |
InputStream is = this.resources.get(r);
|
jaroslav@1917
|
115 |
int avail = is.available();
|
jaroslav@1917
|
116 |
if (avail <= 0) {
|
jaroslav@1917
|
117 |
avail = 4096;
|
jaroslav@1917
|
118 |
}
|
jaroslav@1917
|
119 |
byte[] arr = new byte[avail];
|
jaroslav@1520
|
120 |
int offset = 0;
|
jaroslav@1520
|
121 |
for (;;) {
|
jaroslav@1520
|
122 |
if (offset == arr.length) {
|
jaroslav@1520
|
123 |
byte[] tmp = new byte[arr.length * 2];
|
jaroslav@1520
|
124 |
System.arraycopy(arr, 0, tmp, 0, arr.length);
|
jaroslav@1520
|
125 |
arr = tmp;
|
jaroslav@1520
|
126 |
}
|
jaroslav@1520
|
127 |
int len = is.read(arr, offset, arr.length - offset);
|
jaroslav@1520
|
128 |
if (len == -1) {
|
jaroslav@1520
|
129 |
break;
|
jaroslav@1520
|
130 |
}
|
jaroslav@1520
|
131 |
offset += len;
|
jaroslav@1520
|
132 |
}
|
jaroslav@1520
|
133 |
if (offset != arr.length) {
|
jaroslav@1520
|
134 |
byte[] tmp = new byte[offset];
|
jaroslav@1520
|
135 |
System.arraycopy(arr, 0, tmp, 0, offset);
|
jaroslav@1520
|
136 |
arr = tmp;
|
jaroslav@1495
|
137 |
}
|
jaroslav@1513
|
138 |
append(btoa(arr));
|
jaroslav@1513
|
139 |
append("');");
|
jaroslav@1495
|
140 |
}
|
jaroslav@1495
|
141 |
|
jaroslav@1513
|
142 |
append("\n");
|
lubomir@1020
|
143 |
generateEpilogue();
|
lubomir@869
|
144 |
}
|
lubomir@869
|
145 |
|
jaroslav@1495
|
146 |
@JavaScriptBody(args = { "arr" }, body = "return btoa(arr);")
|
jaroslav@1495
|
147 |
private static String btoa(byte[] arr) {
|
jaroslav@1495
|
148 |
return javax.xml.bind.DatatypeConverter.printBase64Binary(arr);
|
jaroslav@1495
|
149 |
}
|
jaroslav@1495
|
150 |
|
lubomir@1020
|
151 |
protected abstract void generatePrologue() throws IOException;
|
lubomir@1020
|
152 |
|
lubomir@1020
|
153 |
protected abstract void generateEpilogue() throws IOException;
|
lubomir@1020
|
154 |
|
lubomir@1094
|
155 |
protected abstract String getExportsObject();
|
lubomir@1029
|
156 |
|
lubomir@1094
|
157 |
protected abstract boolean isExternalClass(String className);
|
lubomir@1029
|
158 |
|
jaroslav@1693
|
159 |
protected abstract void lazyReference(Appendable out, String n) throws IOException;
|
jaroslav@1693
|
160 |
|
lubomir@1029
|
161 |
@Override
|
jaroslav@1902
|
162 |
protected final void declareClass(ClassData classData, String mangledName)
|
lubomir@1029
|
163 |
throws IOException {
|
lubomir@1029
|
164 |
if (exportedSymbols.isExported(classData)) {
|
jaroslav@1902
|
165 |
append("registerClass(").append(getExportsObject()).append(",'")
|
lubomir@1029
|
166 |
.append(mangledName)
|
jaroslav@1902
|
167 |
.append("',")
|
jaroslav@1902
|
168 |
.append(mangledName)
|
jaroslav@1902
|
169 |
.append(")");
|
jaroslav@1730
|
170 |
exportedCount++;
|
jaroslav@1902
|
171 |
} else {
|
jaroslav@1902
|
172 |
append(mangledName);
|
lubomir@1029
|
173 |
}
|
lubomir@1029
|
174 |
}
|
lubomir@1029
|
175 |
|
lubomir@1094
|
176 |
protected String generateClass(String className) throws IOException {
|
lubomir@1094
|
177 |
ClassData classData = classDataCache.getClassData(className);
|
lubomir@1094
|
178 |
if (classData == null) {
|
lubomir@1094
|
179 |
throw new IOException("Can't find class " + className);
|
lubomir@1094
|
180 |
}
|
lubomir@1094
|
181 |
return compile(classData);
|
lubomir@1094
|
182 |
}
|
lubomir@1094
|
183 |
|
lubomir@1083
|
184 |
@Override
|
lubomir@1083
|
185 |
protected void declaredField(FieldData fieldData,
|
lubomir@1083
|
186 |
String destObject,
|
lubomir@1083
|
187 |
String mangledName) throws IOException {
|
lubomir@1083
|
188 |
if (exportedSymbols.isExported(fieldData)) {
|
lubomir@1083
|
189 |
exportMember(destObject, mangledName);
|
lubomir@1083
|
190 |
}
|
lubomir@1083
|
191 |
}
|
lubomir@1083
|
192 |
|
lubomir@1083
|
193 |
@Override
|
lubomir@1083
|
194 |
protected void declaredMethod(MethodData methodData,
|
lubomir@1083
|
195 |
String destObject,
|
lubomir@1083
|
196 |
String mangledName) throws IOException {
|
lubomir@1087
|
197 |
if (isHierarchyExported(methodData)) {
|
lubomir@1083
|
198 |
exportMember(destObject, mangledName);
|
lubomir@1083
|
199 |
}
|
lubomir@1083
|
200 |
}
|
lubomir@1083
|
201 |
|
lubomir@1083
|
202 |
private void exportMember(String destObject, String memberName)
|
lubomir@1083
|
203 |
throws IOException {
|
jaroslav@1513
|
204 |
append("\n").append(destObject).append("['")
|
jaroslav@1704
|
205 |
.append(memberName)
|
jaroslav@1704
|
206 |
.append("'] = m;\n");
|
lubomir@1083
|
207 |
}
|
lubomir@1083
|
208 |
|
lubomir@1029
|
209 |
private void generateBody(StringArray names) throws IOException {
|
jtulach@162
|
210 |
StringArray processed = new StringArray();
|
jtulach@162
|
211 |
StringArray initCode = new StringArray();
|
jaroslav@1344
|
212 |
StringArray skipClass = new StringArray();
|
jtulach@162
|
213 |
for (String baseClass : names.toArray()) {
|
jaroslav@272
|
214 |
references.add(baseClass);
|
jaroslav@97
|
215 |
for (;;) {
|
jaroslav@97
|
216 |
String name = null;
|
jaroslav@272
|
217 |
for (String n : references.toArray()) {
|
jaroslav@1344
|
218 |
if (skipClass.contains(n)) {
|
jaroslav@1344
|
219 |
continue;
|
jaroslav@1344
|
220 |
}
|
jtulach@162
|
221 |
if (processed.contains(n)) {
|
jaroslav@97
|
222 |
continue;
|
jaroslav@97
|
223 |
}
|
jaroslav@97
|
224 |
name = n;
|
jaroslav@97
|
225 |
}
|
jaroslav@97
|
226 |
if (name == null) {
|
jaroslav@97
|
227 |
break;
|
jaroslav@97
|
228 |
}
|
jaroslav@1513
|
229 |
InputStream is = resources.get(name + ".class");
|
jaroslav@97
|
230 |
if (is == null) {
|
jaroslav@1509
|
231 |
lazyReference(this, name);
|
jaroslav@1344
|
232 |
skipClass.add(name);
|
jaroslav@1344
|
233 |
continue;
|
jaroslav@97
|
234 |
}
|
jaroslav@97
|
235 |
try {
|
lubomir@1029
|
236 |
String ic = generateClass(name);
|
jtulach@162
|
237 |
processed.add(name);
|
jtulach@162
|
238 |
initCode.add(ic == null ? "" : ic);
|
jaroslav@97
|
239 |
} catch (RuntimeException ex) {
|
jaroslav@1509
|
240 |
throw new IOException("Error while compiling " + name + "\n", ex);
|
jaroslav@97
|
241 |
}
|
jaroslav@29
|
242 |
}
|
jaroslav@97
|
243 |
|
jaroslav@272
|
244 |
for (String resource : scripts.toArray()) {
|
jaroslav@250
|
245 |
while (resource.startsWith("/")) {
|
jaroslav@250
|
246 |
resource = resource.substring(1);
|
jaroslav@250
|
247 |
}
|
jaroslav@1953
|
248 |
requireResourceImpl(false, resource);
|
jaroslav@1587
|
249 |
asBinary.remove(resource);
|
jaroslav@250
|
250 |
}
|
jaroslav@272
|
251 |
scripts = new StringArray();
|
lubomir@1020
|
252 |
|
jaroslav@272
|
253 |
StringArray toInit = StringArray.asList(references.toArray());
|
jtulach@162
|
254 |
toInit.reverse();
|
jtulach@129
|
255 |
|
jtulach@162
|
256 |
for (String ic : toInit.toArray()) {
|
jtulach@162
|
257 |
int indx = processed.indexOf(ic);
|
jtulach@162
|
258 |
if (indx >= 0) {
|
jaroslav@833
|
259 |
final String theCode = initCode.toArray()[indx];
|
jaroslav@833
|
260 |
if (!theCode.isEmpty()) {
|
jaroslav@1509
|
261 |
append(theCode).append("\n");
|
jaroslav@833
|
262 |
}
|
jtulach@162
|
263 |
initCode.toArray()[indx] = "";
|
jaroslav@91
|
264 |
}
|
jaroslav@91
|
265 |
}
|
jaroslav@29
|
266 |
}
|
jaroslav@29
|
267 |
}
|
lubomir@1020
|
268 |
|
jaroslav@1953
|
269 |
final void requireResourceImpl(boolean useEval, String resource) throws IOException {
|
jaroslav@1722
|
270 |
InputStream emul = resources.get(resource);
|
jaroslav@1722
|
271 |
if (emul == null) {
|
jaroslav@1722
|
272 |
throw new IOException("Can't find " + resource);
|
jaroslav@1722
|
273 |
}
|
jaroslav@1732
|
274 |
append("\n// resource from ").append(resource).append("\n");
|
jaroslav@1953
|
275 |
append("\n");
|
jaroslav@1953
|
276 |
if (useEval) {
|
jaroslav@1954
|
277 |
append("(0 || eval)(\"");
|
jaroslav@1953
|
278 |
}
|
jaroslav@1953
|
279 |
readResource(useEval, emul, this);
|
jaroslav@1953
|
280 |
if (useEval) {
|
jaroslav@1953
|
281 |
append("\");");
|
jaroslav@1953
|
282 |
}
|
jaroslav@1953
|
283 |
append("\n");
|
jaroslav@1722
|
284 |
}
|
jaroslav@1722
|
285 |
|
jaroslav@1953
|
286 |
private static void readResource(boolean escape, InputStream emul, Appendable out) throws IOException {
|
jaroslav@90
|
287 |
try {
|
jaroslav@90
|
288 |
for (;;) {
|
jaroslav@90
|
289 |
int ch = emul.read();
|
jaroslav@90
|
290 |
if (ch == -1) {
|
jaroslav@90
|
291 |
break;
|
jaroslav@90
|
292 |
}
|
jaroslav@90
|
293 |
if (ch < 0 || ch > 255) {
|
jaroslav@90
|
294 |
throw new IOException("Invalid char in emulation " + ch);
|
jaroslav@90
|
295 |
}
|
jaroslav@1953
|
296 |
if (escape) {
|
jaroslav@1953
|
297 |
switch (ch) {
|
jaroslav@1953
|
298 |
case '"':
|
jaroslav@1953
|
299 |
out.append("\\\"");
|
jaroslav@1953
|
300 |
break;
|
jaroslav@1953
|
301 |
case '\\':
|
jaroslav@1953
|
302 |
out.append("\\\\");
|
jaroslav@1953
|
303 |
break;
|
jaroslav@1953
|
304 |
case '\n':
|
jaroslav@1953
|
305 |
out.append("\\n\"\n + \"");
|
jaroslav@1953
|
306 |
break;
|
jaroslav@1953
|
307 |
case '\t':
|
jaroslav@1953
|
308 |
out.append("\\t");
|
jaroslav@1953
|
309 |
break;
|
jaroslav@1953
|
310 |
case '\r':
|
jaroslav@1953
|
311 |
out.append("\\r");
|
jaroslav@1953
|
312 |
break;
|
jaroslav@1953
|
313 |
default:
|
jaroslav@1953
|
314 |
out.append((char)ch);
|
jaroslav@1953
|
315 |
}
|
jaroslav@1953
|
316 |
} else {
|
jaroslav@1953
|
317 |
out.append((char)ch);
|
jaroslav@1952
|
318 |
}
|
jaroslav@90
|
319 |
}
|
jaroslav@90
|
320 |
} finally {
|
jaroslav@90
|
321 |
emul.close();
|
jaroslav@90
|
322 |
}
|
jaroslav@90
|
323 |
}
|
jaroslav@93
|
324 |
|
jaroslav@136
|
325 |
static String toString(String name) throws IOException {
|
jaroslav@136
|
326 |
StringBuilder sb = new StringBuilder();
|
jaroslav@298
|
327 |
// compile(sb, name);
|
jaroslav@136
|
328 |
return sb.toString().toString();
|
jaroslav@136
|
329 |
}
|
jtulach@162
|
330 |
|
jtulach@162
|
331 |
private StringArray scripts = new StringArray();
|
jtulach@162
|
332 |
private StringArray references = new StringArray();
|
jtulach@162
|
333 |
|
jtulach@162
|
334 |
@Override
|
jtulach@162
|
335 |
protected boolean requireReference(String cn) {
|
jaroslav@1965
|
336 |
if (cn.startsWith("net/java/html/lib/")) {
|
jaroslav@1965
|
337 |
return false;
|
jaroslav@1965
|
338 |
}
|
jaroslav@1798
|
339 |
return references.addIfMissing(cn);
|
jtulach@162
|
340 |
}
|
jtulach@162
|
341 |
|
jtulach@162
|
342 |
@Override
|
jtulach@162
|
343 |
protected void requireScript(String resourcePath) {
|
jtulach@162
|
344 |
scripts.add(resourcePath);
|
jtulach@162
|
345 |
}
|
jaroslav@274
|
346 |
|
jaroslav@274
|
347 |
@Override
|
jaroslav@274
|
348 |
String assignClass(String className) {
|
jaroslav@274
|
349 |
return "vm." + className + " = ";
|
jaroslav@274
|
350 |
}
|
jaroslav@274
|
351 |
|
jaroslav@274
|
352 |
@Override
|
jaroslav@274
|
353 |
String accessClass(String className) {
|
jaroslav@274
|
354 |
return "vm." + className;
|
jaroslav@274
|
355 |
}
|
lubomir@869
|
356 |
|
lubomir@869
|
357 |
@Override
|
jaroslav@1856
|
358 |
protected FieldData findField(String[] fieldInfoName) throws IOException {
|
jaroslav@1856
|
359 |
FieldData field = classDataCache.findField(
|
jaroslav@1856
|
360 |
fieldInfoName[0], fieldInfoName[1], fieldInfoName[2]
|
jaroslav@1856
|
361 |
);
|
jaroslav@1856
|
362 |
return field != null && canAccessDirectly(field.cls) ? field : null;
|
jaroslav@1856
|
363 |
}
|
jaroslav@1856
|
364 |
|
jaroslav@1856
|
365 |
@Override
|
jaroslav@1856
|
366 |
protected String accessField(String object, FieldData field, String[] fieldInfoName)
|
jaroslav@1855
|
367 |
throws IOException {
|
jaroslav@1863
|
368 |
if (field != null && !field.isStatic()) {
|
jaroslav@1962
|
369 |
return "['fld_" + object + "_" + field.getName() + "']";
|
jaroslav@1856
|
370 |
} else {
|
jaroslav@1856
|
371 |
String mangledName = "_" + fieldInfoName[1];
|
jaroslav@1863
|
372 |
return accessNonVirtualMember(
|
jaroslav@1863
|
373 |
object, mangledName, field != null ? field.cls : null
|
jaroslav@1863
|
374 |
);
|
jaroslav@1863
|
375 |
}
|
lubomir@1085
|
376 |
}
|
lubomir@1085
|
377 |
|
lubomir@1085
|
378 |
@Override
|
lubomir@1085
|
379 |
protected String accessStaticMethod(
|
lubomir@1085
|
380 |
String object,
|
lubomir@1085
|
381 |
String mangledName,
|
lubomir@1085
|
382 |
String[] fieldInfoName) throws IOException {
|
lubomir@1085
|
383 |
final MethodData method =
|
lubomir@1085
|
384 |
classDataCache.findMethod(fieldInfoName[0],
|
lubomir@1085
|
385 |
fieldInfoName[1],
|
lubomir@1085
|
386 |
fieldInfoName[2]);
|
lubomir@1085
|
387 |
return accessNonVirtualMember(object, mangledName,
|
lubomir@1085
|
388 |
(method != null) ? method.cls : null);
|
lubomir@1085
|
389 |
}
|
lubomir@1085
|
390 |
|
lubomir@1085
|
391 |
@Override
|
lubomir@1085
|
392 |
protected String accessVirtualMethod(
|
jaroslav@1613
|
393 |
String object,
|
jaroslav@1613
|
394 |
String mangledName,
|
jaroslav@1613
|
395 |
String[] fieldInfoName,
|
jaroslav@1613
|
396 |
int params
|
jaroslav@1613
|
397 |
) throws IOException {
|
lubomir@1085
|
398 |
final ClassData referencedClass =
|
lubomir@1084
|
399 |
classDataCache.getClassData(fieldInfoName[0]);
|
lubomir@1085
|
400 |
final MethodData method =
|
lubomir@1085
|
401 |
classDataCache.findMethod(referencedClass,
|
lubomir@1085
|
402 |
fieldInfoName[1],
|
lubomir@1085
|
403 |
fieldInfoName[2]);
|
lubomir@1085
|
404 |
|
lubomir@1085
|
405 |
if ((method != null)
|
lubomir@1094
|
406 |
&& !isExternalClass(method.cls.getClassName())
|
lubomir@1085
|
407 |
&& (((method.access & ByteCodeParser.ACC_FINAL) != 0)
|
lubomir@1085
|
408 |
|| ((referencedClass.getAccessFlags()
|
lubomir@1085
|
409 |
& ByteCodeParser.ACC_FINAL) != 0)
|
lubomir@1087
|
410 |
|| !isHierarchyExported(method))) {
|
jaroslav@1613
|
411 |
return object + "." + mangledName + '(';
|
lubomir@1084
|
412 |
}
|
lubomir@1084
|
413 |
|
jaroslav@1797
|
414 |
return accessThroughInvoker(object, mangledName, params);
|
lubomir@1085
|
415 |
}
|
lubomir@1085
|
416 |
|
jaroslav@1797
|
417 |
private String accessThroughInvoker(String object, String mangledName, int params)
|
jaroslav@1797
|
418 |
throws IOException {
|
jaroslav@1797
|
419 |
String def = "\n invoker." + mangledName + " = function(target";
|
jaroslav@1797
|
420 |
if (invokerMethods.indexOf(def) == -1) {
|
jaroslav@1797
|
421 |
invokerMethods.append(def);
|
jaroslav@1797
|
422 |
for (int j = 0; j < params; j++) {
|
jaroslav@1797
|
423 |
invokerMethods.append(", p").append(j);
|
jaroslav@1797
|
424 |
}
|
jaroslav@1797
|
425 |
invokerMethods.append(") {\n return target['").
|
jaroslav@1797
|
426 |
append(mangledName).append("'](");
|
jaroslav@1797
|
427 |
for (int j = 0; j < params; j++) {
|
jaroslav@1797
|
428 |
if (j > 0) {
|
jaroslav@1797
|
429 |
invokerMethods.append(",");
|
jaroslav@1797
|
430 |
}
|
jaroslav@1797
|
431 |
invokerMethods.append("p").append(j);
|
jaroslav@1797
|
432 |
}
|
jaroslav@1797
|
433 |
invokerMethods.append(");\n };");
|
lubomir@1085
|
434 |
}
|
jaroslav@1797
|
435 |
return "invoker." + mangledName + '(' + object + (params > 1 ? "," : "");
|
lubomir@1085
|
436 |
}
|
lubomir@1085
|
437 |
|
lubomir@1087
|
438 |
private boolean isHierarchyExported(final MethodData methodData)
|
lubomir@1087
|
439 |
throws IOException {
|
lubomir@1087
|
440 |
if (exportedSymbols.isExported(methodData)) {
|
lubomir@1087
|
441 |
return true;
|
lubomir@1087
|
442 |
}
|
lubomir@1087
|
443 |
if ((methodData.access & (ByteCodeParser.ACC_PRIVATE
|
lubomir@1087
|
444 |
| ByteCodeParser.ACC_STATIC)) != 0) {
|
lubomir@1087
|
445 |
return false;
|
lubomir@1087
|
446 |
}
|
lubomir@1087
|
447 |
|
lubomir@1087
|
448 |
final ExportedMethodFinder exportedMethodFinder =
|
lubomir@1087
|
449 |
new ExportedMethodFinder(exportedSymbols);
|
lubomir@1087
|
450 |
|
lubomir@1087
|
451 |
classDataCache.findMethods(
|
lubomir@1087
|
452 |
methodData.cls,
|
lubomir@1087
|
453 |
methodData.getName(),
|
lubomir@1087
|
454 |
methodData.getInternalSig(),
|
lubomir@1087
|
455 |
exportedMethodFinder);
|
lubomir@1087
|
456 |
|
lubomir@1087
|
457 |
return (exportedMethodFinder.getFound() != null);
|
lubomir@1087
|
458 |
}
|
lubomir@1087
|
459 |
|
jaroslav@1856
|
460 |
private boolean canAccessDirectly(ClassData declaringClass) {
|
jaroslav@1709
|
461 |
if (declaringClass == null) {
|
jaroslav@1856
|
462 |
return false;
|
jaroslav@1709
|
463 |
}
|
jaroslav@1709
|
464 |
final String className = declaringClass.getClassName();
|
jaroslav@1709
|
465 |
if (
|
jaroslav@1709
|
466 |
"java/lang/Object".equals(className) ||
|
jaroslav@1709
|
467 |
"java/lang/reflect/Array".equals(className) ||
|
jaroslav@1709
|
468 |
isExternalClass(className)
|
jaroslav@1709
|
469 |
) {
|
jaroslav@1856
|
470 |
return false;
|
jaroslav@1709
|
471 |
}
|
jaroslav@1856
|
472 |
return true;
|
jaroslav@1856
|
473 |
}
|
jaroslav@1856
|
474 |
|
jaroslav@1856
|
475 |
private String accessNonVirtualMember(
|
jaroslav@1856
|
476 |
String object, String mangledName, ClassData declaringClass
|
jaroslav@1856
|
477 |
) {
|
jaroslav@1856
|
478 |
return canAccessDirectly(declaringClass) ?
|
jaroslav@1856
|
479 |
object + "." + mangledName :
|
jaroslav@1856
|
480 |
object + "['" + mangledName + "']";
|
lubomir@1084
|
481 |
}
|
lubomir@1084
|
482 |
|
jaroslav@1611
|
483 |
private final class ExportedMethodFinder
|
lubomir@1087
|
484 |
implements ClassDataCache.TraversalCallback<MethodData> {
|
lubomir@1087
|
485 |
private final ExportedSymbols exportedSymbols;
|
lubomir@1087
|
486 |
private MethodData found;
|
lubomir@1087
|
487 |
|
lubomir@1087
|
488 |
public ExportedMethodFinder(final ExportedSymbols exportedSymbols) {
|
lubomir@1087
|
489 |
this.exportedSymbols = exportedSymbols;
|
lubomir@1087
|
490 |
}
|
lubomir@1087
|
491 |
|
lubomir@1087
|
492 |
@Override
|
lubomir@1087
|
493 |
public boolean traverse(final MethodData methodData) {
|
lubomir@1087
|
494 |
try {
|
jaroslav@1611
|
495 |
if (
|
jaroslav@1611
|
496 |
exportedSymbols.isExported(methodData) ||
|
jaroslav@1611
|
497 |
isExternalClass(methodData.cls.getClassName())
|
jaroslav@1611
|
498 |
) {
|
lubomir@1087
|
499 |
found = methodData;
|
lubomir@1087
|
500 |
return false;
|
lubomir@1087
|
501 |
}
|
lubomir@1087
|
502 |
} catch (final IOException e) {
|
lubomir@1087
|
503 |
}
|
lubomir@1087
|
504 |
|
lubomir@1087
|
505 |
return true;
|
lubomir@1087
|
506 |
}
|
lubomir@1087
|
507 |
|
lubomir@1087
|
508 |
public MethodData getFound() {
|
lubomir@1087
|
509 |
return found;
|
lubomir@1087
|
510 |
}
|
lubomir@1087
|
511 |
}
|
lubomir@1087
|
512 |
|
lubomir@1020
|
513 |
private static final class Standalone extends VM {
|
jaroslav@1587
|
514 |
private Standalone(Appendable out,
|
jaroslav@1587
|
515 |
Bck2Brwsr.Resources resources,
|
jaroslav@1587
|
516 |
StringArray explicitlyExported, StringArray asBinary
|
jaroslav@1587
|
517 |
) {
|
jaroslav@1587
|
518 |
super(out, resources, explicitlyExported, asBinary);
|
lubomir@1020
|
519 |
}
|
lubomir@1020
|
520 |
|
lubomir@1020
|
521 |
@Override
|
lubomir@1020
|
522 |
protected void generatePrologue() throws IOException {
|
jaroslav@1513
|
523 |
append("(function VM(global) {var fillInVMSkeleton = function(vm) {");
|
lubomir@1020
|
524 |
}
|
lubomir@1020
|
525 |
|
lubomir@1020
|
526 |
@Override
|
lubomir@1020
|
527 |
protected void generateEpilogue() throws IOException {
|
jaroslav@1513
|
528 |
append(
|
lubomir@1020
|
529 |
" return vm;\n"
|
lubomir@1020
|
530 |
+ " };\n"
|
lubomir@1029
|
531 |
+ " var extensions = [];\n"
|
jaroslav@1580
|
532 |
+ " function replaceAll(s, target, replacement) {\n"
|
jaroslav@1580
|
533 |
+ " var pos = 0;\n"
|
jaroslav@1580
|
534 |
+ " for (;;) {\n"
|
jaroslav@1580
|
535 |
+ " var indx = s.indexOf(target, pos);\n"
|
jaroslav@1580
|
536 |
+ " if (indx === -1) {\n"
|
jaroslav@1580
|
537 |
+ " return s;\n"
|
jaroslav@1580
|
538 |
+ " }\n"
|
jaroslav@1580
|
539 |
+ " pos = indx + replacement.length;\n"
|
jaroslav@1580
|
540 |
+ " s = s.substring(0, indx) + replacement + s.substring(indx + target.length);\n"
|
jaroslav@1580
|
541 |
+ " }\n"
|
jaroslav@1580
|
542 |
+ " }\n"
|
jaroslav@1514
|
543 |
+ " function mangleClass(name) {\n"
|
jaroslav@1580
|
544 |
+ " name = replaceAll(name, '_', '_1');\n"
|
jaroslav@1580
|
545 |
+ " name = replaceAll(name, '.', '_');\n"
|
jaroslav@1580
|
546 |
+ " return name;\n"
|
jaroslav@1514
|
547 |
+ " };\n"
|
jaroslav@1608
|
548 |
+ " var pending = [];\n"
|
jaroslav@1608
|
549 |
+ " var pendingClasses = [];\n"
|
jaroslav@1608
|
550 |
+ " function extensionLoaded(ev) {\n"
|
jaroslav@1608
|
551 |
+ " var at = pending.indexOf(ev.target);\n"
|
jaroslav@1608
|
552 |
+ " pending.splice(at, 1);\n"
|
jaroslav@1608
|
553 |
+ " if (pending.length === 0) {\n"
|
jaroslav@1609
|
554 |
+ " for (var i = 0; i < pendingClasses.length; i += 3) {\n"
|
jaroslav@1609
|
555 |
+ " invokeMethod(pendingClasses[i], pendingClasses[i + 1], pendingClasses[i + 2]);\n"
|
jaroslav@1608
|
556 |
+ " }\n"
|
jaroslav@1608
|
557 |
+ " pendingClasses = [];\n"
|
jaroslav@1608
|
558 |
+ " }\n"
|
jaroslav@1608
|
559 |
+ " }\n"
|
jaroslav@1609
|
560 |
+ " function invokeMethod(vm, n, args) {\n"
|
jaroslav@1609
|
561 |
+ " var clazz = vm.loadClass(n);\n"
|
jaroslav@1609
|
562 |
+ " if (args) {\n"
|
jaroslav@1609
|
563 |
+ " var seek = args[0];\n"
|
jaroslav@1609
|
564 |
+ " var prefix = seek.indexOf('__') == -1 ? seek + '__' : seek;\n"
|
jaroslav@1609
|
565 |
+ " args = Array.prototype.slice.call(args, 1);\n"
|
jaroslav@1609
|
566 |
+ " var found = '';\n"
|
jaroslav@1609
|
567 |
+ " for (var m in clazz) {\n"
|
jaroslav@1609
|
568 |
+ " if (m.indexOf(prefix) === 0) {\n"
|
jaroslav@1609
|
569 |
+ " return clazz[m].apply(null, args);\n"
|
jaroslav@1609
|
570 |
+ " }\n"
|
jaroslav@1609
|
571 |
+ " found += m.toString() + '\\n'\n"
|
jaroslav@1609
|
572 |
+ " }\n"
|
jaroslav@1609
|
573 |
+ " throw 'Cannot find ' + seek + ' in ' + n + ' found:\\n' + found;\n"
|
jaroslav@1609
|
574 |
+ " }\n"
|
jaroslav@1609
|
575 |
+ " }\n"
|
jaroslav@1608
|
576 |
+ " function extensionError(ev) {\n"
|
jaroslav@1608
|
577 |
+ " console.log('error loading ' + ev.target.src);\n"
|
jaroslav@1608
|
578 |
+ " extensionLoaded(ev);\n"
|
jaroslav@1608
|
579 |
+ " }\n"
|
jaroslav@1604
|
580 |
+ " function loadExtension(url) {\n"
|
jaroslav@1604
|
581 |
+ " if (url.substring(url.length - 4) == '.jar')\n"
|
jaroslav@1604
|
582 |
+ " url = url.substring(0, url.length - 4) + '.js';\n"
|
jaroslav@1590
|
583 |
+ " var script = document.createElement('script');\n"
|
jaroslav@1590
|
584 |
+ " script.type = 'text/javascript';\n"
|
jaroslav@1608
|
585 |
+ " script.src = url;\n"
|
jaroslav@1608
|
586 |
+ " script.onload = extensionLoaded;\n"
|
jaroslav@1608
|
587 |
+ " script.onerror = extensionError;\n"
|
jaroslav@1590
|
588 |
+ " document.getElementsByTagName('head')[0].appendChild(script);\n"
|
jaroslav@1608
|
589 |
+ " pending.push(script);\n"
|
jaroslav@1604
|
590 |
+ " }\n"
|
jaroslav@1604
|
591 |
+ " global.bck2brwsr = function() {\n"
|
jaroslav@1604
|
592 |
+ " var args = Array.prototype.slice.apply(arguments);\n"
|
jaroslav@1604
|
593 |
+ " var resources = {};\n"
|
jaroslav@1495
|
594 |
+ " function registerResource(n, a64) {\n"
|
jaroslav@1720
|
595 |
+ " var frm = atob || window.atob;\n"
|
jaroslav@1720
|
596 |
+ " var str = frm(a64);\n"
|
jaroslav@1495
|
597 |
+ " var arr = [];\n"
|
jaroslav@1496
|
598 |
+ " for (var i = 0; i < str.length; i++) {\n"
|
jaroslav@1496
|
599 |
+ " var ch = str.charCodeAt(i) & 0xff;\n"
|
jaroslav@1496
|
600 |
+ " if (ch > 127) ch -= 256;\n"
|
jaroslav@1496
|
601 |
+ " arr.push(ch);\n"
|
jaroslav@1496
|
602 |
+ " }\n"
|
jaroslav@1495
|
603 |
+ " if (!resources[n]) resources[n] = [arr];\n"
|
jaroslav@1495
|
604 |
+ " else resources[n].push(arr);\n"
|
jaroslav@1495
|
605 |
+ " }\n"
|
jaroslav@1495
|
606 |
+ " var vm = fillInVMSkeleton({ 'registerResource' : registerResource });\n"
|
jaroslav@1584
|
607 |
+ " function initVM() {\n"
|
jaroslav@1584
|
608 |
+ " var clsArray = vm['java_lang_reflect_Array'];\n"
|
jaroslav@1584
|
609 |
+ " if (clsArray) clsArray(false);\n"
|
jaroslav@1584
|
610 |
+ " }\n"
|
lubomir@1029
|
611 |
+ " for (var i = 0; i < extensions.length; ++i) {\n"
|
lubomir@1029
|
612 |
+ " extensions[i](vm);\n"
|
lubomir@1029
|
613 |
+ " }\n"
|
jaroslav@1558
|
614 |
+ " vm['registerResource'] = null;\n"
|
jaroslav@1489
|
615 |
+ " var knownExtensions = extensions.length;\n"
|
lubomir@1020
|
616 |
+ " var loader = {};\n"
|
jaroslav@1943
|
617 |
+ " var classPath;\n"
|
jaroslav@1577
|
618 |
+ " var loadBytes = function(name, skip) {\n"
|
jaroslav@1577
|
619 |
+ " skip = typeof skip == 'number' ? skip : 0;\n"
|
jaroslav@1577
|
620 |
+ " var arr = resources[name];\n"
|
jaroslav@1577
|
621 |
+ " if (arr) {\n"
|
jaroslav@1577
|
622 |
+ " var arrSize = arr.length;\n"
|
jaroslav@1577
|
623 |
+ " if (skip < arrSize) return arr[skip];\n"
|
jaroslav@1577
|
624 |
+ " skip -= arrSize;\n"
|
jaroslav@1577
|
625 |
+ " } else {\n"
|
jaroslav@1577
|
626 |
+ " var arrSize = 0;\n"
|
jaroslav@1577
|
627 |
+ " };\n"
|
jaroslav@1581
|
628 |
+ " for (var i = 0; i < args.length; i++) {\n"
|
jaroslav@1581
|
629 |
+ " var at = args[i];\n"
|
jaroslav@1591
|
630 |
+ " if(!at) continue;\n"
|
jaroslav@1581
|
631 |
+ " var ret;\n"
|
jaroslav@1590
|
632 |
+ " if (typeof at === 'string' && at.substring(at.length - 3) === '.js') {\n"
|
jaroslav@1590
|
633 |
+ " loadExtension(at);\n"
|
jaroslav@1590
|
634 |
+ " args[i] = null;\n"
|
jaroslav@1590
|
635 |
+ " } else if (typeof at === 'function') ret = at(name, skip);\n"
|
jaroslav@1589
|
636 |
+ " else {\n"
|
jaroslav@1943
|
637 |
+ " if (classPath === undefined) {\n"
|
jaroslav@1943
|
638 |
+ " classPath = null;\n"
|
jaroslav@1943
|
639 |
+ " try {\n"
|
jaroslav@1943
|
640 |
+ " classPath = vm.loadClass('org.apidesign.vm4brwsr.ClassPath');\n"
|
jaroslav@1943
|
641 |
+ " } catch (err) {\n"
|
jaroslav@1943
|
642 |
+ " }\n"
|
jaroslav@1943
|
643 |
+ " }\n"
|
jaroslav@1943
|
644 |
+ " if (!classPath) {\n"
|
jaroslav@1943
|
645 |
+ " if (name !== 'org/apidesign/vm4brwsr/ClassPath.class') {\n"
|
jaroslav@1943
|
646 |
+ " throw 'Core Java library not registered. Cannot load from ' + at;\n"
|
jaroslav@1943
|
647 |
+ " }\n"
|
jaroslav@1943
|
648 |
+ " ret = null;\n"
|
jaroslav@1943
|
649 |
+ " } else {\n"
|
jaroslav@1943
|
650 |
+ " ret = classPath['loadBytes___3BLjava_lang_String_2Ljava_lang_Object_2II'](name, args, i, skip);\n"
|
jaroslav@1943
|
651 |
+ " }\n"
|
jaroslav@1589
|
652 |
+ " }\n"
|
jaroslav@1590
|
653 |
+ " if (ret) return ret;\n"
|
jaroslav@1581
|
654 |
+ " }\n"
|
jaroslav@1577
|
655 |
+ " while (knownExtensions < extensions.length) {\n"
|
jaroslav@1577
|
656 |
+ " vm['registerResource'] = registerResource;\n"
|
jaroslav@1577
|
657 |
+ " extensions[knownExtensions++](vm);\n"
|
jaroslav@1577
|
658 |
+ " vm['registerResource'] = null;\n"
|
jaroslav@1584
|
659 |
+ " initVM();\n"
|
jaroslav@1577
|
660 |
+ " }\n"
|
jaroslav@1577
|
661 |
+ " var arr = resources[name];\n"
|
jaroslav@1577
|
662 |
+ " return (arr && arr.length > arrSize) ? arr[arrSize] : null;\n"
|
jaroslav@1577
|
663 |
+ " }\n"
|
jaroslav@1604
|
664 |
+ " var reload = function(name, arr, keep) {\n"
|
jaroslav@1604
|
665 |
+ " if (!arr) throw 'Cannot find ' + name;\n"
|
jaroslav@1942
|
666 |
+ " var err = null;\n"
|
jaroslav@1942
|
667 |
+ " try {\n"
|
jaroslav@1942
|
668 |
+ " var lazy = loadClass('org.apidesign.vm4brwsr.VMLazy');\n"
|
jaroslav@1942
|
669 |
+ " } catch (e) {\n"
|
jaroslav@1942
|
670 |
+ " err = e;\n"
|
jaroslav@1942
|
671 |
+ " }\n"
|
jaroslav@1942
|
672 |
+ " if (!lazy) {\n"
|
jaroslav@1942
|
673 |
+ " throw 'No bck2brwsr VM module to compile ' + name + ':\\n' + err;\n"
|
jaroslav@1942
|
674 |
+ " }\n"
|
jaroslav@1578
|
675 |
+ " if (!keep) {\n"
|
jaroslav@1578
|
676 |
+ " var attr = mangleClass(name);\n"
|
jaroslav@1578
|
677 |
+ " delete vm[attr];\n"
|
jaroslav@1578
|
678 |
+ " }\n"
|
jaroslav@1942
|
679 |
+ " return lazy['load__Ljava_lang_Object_2Ljava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2_3B']\n"
|
jaroslav@1579
|
680 |
+ " (vm, name, args, arr);\n"
|
jaroslav@1578
|
681 |
+ " };\n"
|
jaroslav@1608
|
682 |
+ " var loadClass = function(name) {\n"
|
jaroslav@1514
|
683 |
+ " var attr = mangleClass(name);\n"
|
lubomir@1020
|
684 |
+ " var fn = vm[attr];\n"
|
lubomir@1020
|
685 |
+ " if (fn) return fn(false);\n"
|
jaroslav@1489
|
686 |
+ " try {\n"
|
jaroslav@1584
|
687 |
+ " var arr = loadBytes(replaceAll(name, '.', '/') + '.class');\n"
|
jaroslav@1578
|
688 |
+ " return reload(name, arr, true);\n"
|
jaroslav@1489
|
689 |
+ " } catch (err) {\n"
|
jaroslav@1489
|
690 |
+ " fn = vm[attr];\n"
|
jaroslav@1489
|
691 |
+ " if (fn) return fn(false);\n"
|
jaroslav@1489
|
692 |
+ " throw err;\n"
|
jaroslav@1489
|
693 |
+ " }\n"
|
lubomir@1020
|
694 |
+ " }\n"
|
jaroslav@1578
|
695 |
+ " if (vm['loadClass']) {\n"
|
lubomir@1020
|
696 |
+ " throw 'Cannot initialize the bck2brwsr VM twice!';\n"
|
lubomir@1020
|
697 |
+ " }\n"
|
jaroslav@1608
|
698 |
+ " vm['loadClass'] = loadClass;\n"
|
jaroslav@1578
|
699 |
+ " vm['_reload'] = reload;\n"
|
jaroslav@1578
|
700 |
+ " vm['loadBytes'] = loadBytes;\n"
|
jaroslav@1584
|
701 |
+ " initVM();\n"
|
jaroslav@1608
|
702 |
+ " loader.loadClass = function(name) {\n"
|
jaroslav@1608
|
703 |
+ " if (pending.length === 0) {\n"
|
jaroslav@1608
|
704 |
+ " try {\n"
|
jaroslav@1609
|
705 |
+ " var c = loadClass(name);\n"
|
jaroslav@1609
|
706 |
+ " c['invoke'] = function() {\n"
|
jaroslav@1609
|
707 |
+ " return invokeMethod(vm, name, arguments);\n"
|
jaroslav@1609
|
708 |
+ " };\n"
|
jaroslav@1609
|
709 |
+ " return c;\n"
|
jaroslav@1608
|
710 |
+ " } catch (err) {\n"
|
jaroslav@1608
|
711 |
+ " if (pending.length === 0) throw err;\n"
|
jaroslav@1608
|
712 |
+ " }\n"
|
jaroslav@1608
|
713 |
+ " }\n"
|
jaroslav@1608
|
714 |
+ " pendingClasses.push(vm);\n"
|
jaroslav@1608
|
715 |
+ " pendingClasses.push(name);\n"
|
jaroslav@1609
|
716 |
+ " pendingClasses.push(null);\n"
|
jaroslav@1609
|
717 |
+ " return {\n"
|
jaroslav@1609
|
718 |
+ " 'invoke' : function() {\n"
|
jaroslav@1609
|
719 |
+ " if (pending.length === 0) {\n"
|
jaroslav@1609
|
720 |
+ " invokeMethod(vm, name, arguments);\n"
|
jaroslav@1609
|
721 |
+ " return;\n"
|
jaroslav@1609
|
722 |
+ " }\n"
|
jaroslav@1609
|
723 |
+ " pendingClasses.push(vm);\n"
|
jaroslav@1609
|
724 |
+ " pendingClasses.push(name);\n"
|
jaroslav@1609
|
725 |
+ " pendingClasses.push(arguments);\n"
|
jaroslav@1609
|
726 |
+ " }\n"
|
jaroslav@1609
|
727 |
+ " };\n"
|
jaroslav@1608
|
728 |
+ " }\n"
|
lubomir@1020
|
729 |
+ " return loader;\n"
|
lubomir@1020
|
730 |
+ " };\n");
|
jaroslav@1513
|
731 |
append(
|
jaroslav@1598
|
732 |
" global.bck2brwsr.register = function(config, extension) {\n"
|
jaroslav@1859
|
733 |
+ " if (!config || config['magic'] !== 'kafčo') {\n"
|
jaroslav@1598
|
734 |
+ " console.log('Will not register: ' + extension);\n"
|
jaroslav@1598
|
735 |
+ " return false;\n"
|
jaroslav@1598
|
736 |
+ " }\n"
|
jaroslav@1853
|
737 |
+ " var cs = typeof document == 'undefined' ? null : document['currentScript'];\n"
|
jaroslav@1937
|
738 |
+ " var csUrl = cs ? cs['src'] : null;\n"
|
jaroslav@1937
|
739 |
+ " var prefix = csUrl ? csUrl['replace'](/\\/[^\\/]*$/,'/') : '';\n"
|
lubomir@1029
|
740 |
+ " extensions.push(extension);\n"
|
jaroslav@1604
|
741 |
+ " var cp = config['classpath'];\n"
|
jaroslav@1604
|
742 |
+ " if (cp) for (var i = 0; i < cp.length; i++) {\n"
|
jaroslav@1852
|
743 |
+ " loadExtension(prefix + cp[i]);\n"
|
jaroslav@1604
|
744 |
+ " }\n"
|
jaroslav@1489
|
745 |
+ " return null;\n"
|
lubomir@1029
|
746 |
+ " };\n");
|
jaroslav@1513
|
747 |
append("}(this));");
|
lubomir@1020
|
748 |
}
|
lubomir@1020
|
749 |
|
lubomir@1020
|
750 |
@Override
|
lubomir@1094
|
751 |
protected String getExportsObject() {
|
lubomir@1094
|
752 |
return "vm";
|
lubomir@1029
|
753 |
}
|
lubomir@1029
|
754 |
|
lubomir@1029
|
755 |
@Override
|
lubomir@1094
|
756 |
protected boolean isExternalClass(String className) {
|
lubomir@1094
|
757 |
return false;
|
lubomir@1020
|
758 |
}
|
jaroslav@1693
|
759 |
|
jaroslav@1693
|
760 |
@Override
|
jaroslav@1693
|
761 |
protected void lazyReference(Appendable out, String n) throws IOException {
|
jaroslav@1693
|
762 |
String cls = n.replace('/', '_');
|
jaroslav@1693
|
763 |
String dot = n.replace('/', '.');
|
jaroslav@1693
|
764 |
|
jaroslav@1693
|
765 |
out.append("\nvm.").append(cls).append(" = function() {");
|
jaroslav@1693
|
766 |
out.append("\n var instance = arguments.length == 0 || arguments[0] === true;");
|
jaroslav@1693
|
767 |
out.append("\n delete vm.").append(cls).append(";");
|
jaroslav@1693
|
768 |
out.append("\n var c = vm.loadClass('").append(dot).append("');");
|
jaroslav@1693
|
769 |
out.append("\n return vm.").append(cls).append("(instance);");
|
jaroslav@1693
|
770 |
out.append("\n}");
|
jaroslav@1693
|
771 |
}
|
jaroslav@1722
|
772 |
|
jaroslav@1722
|
773 |
@Override
|
jaroslav@1722
|
774 |
protected void requireResource(String resourcePath) throws IOException {
|
jaroslav@1953
|
775 |
requireResourceImpl(true, resourcePath);
|
jaroslav@1825
|
776 |
super.asBinary.remove(resourcePath);
|
jaroslav@1722
|
777 |
}
|
lubomir@1020
|
778 |
}
|
lubomir@1020
|
779 |
|
lubomir@1020
|
780 |
private static final class Extension extends VM {
|
lubomir@1094
|
781 |
private final StringArray extensionClasses;
|
jaroslav@1604
|
782 |
private final StringArray classpath;
|
lubomir@1094
|
783 |
|
lubomir@1094
|
784 |
private Extension(Appendable out, Bck2Brwsr.Resources resources,
|
jaroslav@1587
|
785 |
String[] extClassesArray, StringArray explicitlyExported,
|
jaroslav@1604
|
786 |
StringArray asBinary, StringArray classpath
|
jaroslav@1730
|
787 |
) throws IOException {
|
jaroslav@1587
|
788 |
super(out, resources, explicitlyExported, asBinary);
|
lubomir@1094
|
789 |
this.extensionClasses = StringArray.asList(extClassesArray);
|
jaroslav@1604
|
790 |
this.classpath = classpath;
|
lubomir@1020
|
791 |
}
|
lubomir@1020
|
792 |
|
lubomir@1020
|
793 |
@Override
|
lubomir@1020
|
794 |
protected void generatePrologue() throws IOException {
|
jaroslav@1604
|
795 |
append(
|
jaroslav@1604
|
796 |
"bck2brwsr.register({\n"
|
jaroslav@1859
|
797 |
+ " 'magic' : 'kafčo'"
|
jaroslav@1604
|
798 |
);
|
jaroslav@1604
|
799 |
if (classpath != null && classpath.toArray().length > 0) {
|
jaroslav@1604
|
800 |
append(
|
jaroslav@1604
|
801 |
",\n 'classpath' : [\n"
|
jaroslav@1604
|
802 |
);
|
jaroslav@1604
|
803 |
String sep = " ";
|
jaroslav@1604
|
804 |
for (String s : classpath.toArray()) {
|
jaroslav@1604
|
805 |
append(sep).append("'").append(s).append("'");
|
jaroslav@1604
|
806 |
sep = ",\n ";
|
jaroslav@1604
|
807 |
}
|
jaroslav@1604
|
808 |
append(
|
jaroslav@1604
|
809 |
"\n ]"
|
jaroslav@1604
|
810 |
);
|
jaroslav@1604
|
811 |
}
|
jaroslav@1604
|
812 |
append(
|
jaroslav@1604
|
813 |
"\n}, function(exports) {\n"
|
jaroslav@1604
|
814 |
+ " var vm = {};\n");
|
jaroslav@1705
|
815 |
append(" function link(n, assign) {\n"
|
jaroslav@1934
|
816 |
+ " function replaceAll(s, o, n) {\n"
|
jaroslav@1934
|
817 |
+ " var pos = 0;\n"
|
jaroslav@1934
|
818 |
+ " for (;;) {\n"
|
jaroslav@1934
|
819 |
+ " var indx = s.indexOf(o, pos);\n"
|
jaroslav@1934
|
820 |
+ " if (indx === -1) {\n"
|
jaroslav@1934
|
821 |
+ " return s;\n"
|
jaroslav@1934
|
822 |
+ " }\n"
|
jaroslav@1934
|
823 |
+ " pos = indx + n.length;\n"
|
jaroslav@1934
|
824 |
+ " s = s.substring(0, indx) + n + s.substring(indx + o.length);\n"
|
jaroslav@1934
|
825 |
+ " }\n"
|
jaroslav@1934
|
826 |
+ " }\n"
|
jaroslav@1542
|
827 |
+ " return function() {\n"
|
jaroslav@1934
|
828 |
+ " var no_ = replaceAll(n, '_', '_1');\n"
|
jaroslav@1934
|
829 |
+ " var cls = replaceAll(no_, '/', '_');\n"
|
jaroslav@1934
|
830 |
+ " var dot = replaceAll(n, '/', '.');\n"
|
jaroslav@1542
|
831 |
+ " exports.loadClass(dot);\n"
|
jaroslav@1705
|
832 |
+ " assign(exports[cls]);\n"
|
jaroslav@1705
|
833 |
+ " return exports[cls](arguments);\n"
|
jaroslav@1542
|
834 |
+ " };\n"
|
jaroslav@1542
|
835 |
+ " };\n"
|
jaroslav@1542
|
836 |
);
|
lubomir@1020
|
837 |
}
|
lubomir@1020
|
838 |
|
lubomir@1020
|
839 |
@Override
|
lubomir@1020
|
840 |
protected void generateEpilogue() throws IOException {
|
jaroslav@1513
|
841 |
append("});");
|
jaroslav@1730
|
842 |
if (exportedCount == 0) {
|
jaroslav@1730
|
843 |
throw new IOException("Creating library without any exported symbols is useless!");
|
jaroslav@1730
|
844 |
}
|
lubomir@1020
|
845 |
}
|
lubomir@1020
|
846 |
|
lubomir@1020
|
847 |
@Override
|
jaroslav@1942
|
848 |
String accessClass(String className) {
|
jaroslav@1942
|
849 |
if (this.extensionClasses.contains(className.replace('_', '/'))) {
|
jaroslav@1942
|
850 |
return className;
|
jaroslav@1942
|
851 |
}
|
jaroslav@1942
|
852 |
return super.accessClass(className);
|
jaroslav@1942
|
853 |
}
|
jaroslav@1942
|
854 |
|
jaroslav@1942
|
855 |
@Override
|
lubomir@1029
|
856 |
protected String generateClass(String className) throws IOException {
|
lubomir@1094
|
857 |
if (isExternalClass(className)) {
|
jaroslav@1840
|
858 |
final String cls = className.replace("_", "_1").replace('/', '_');
|
jaroslav@1705
|
859 |
append("\n").append(assignClass(cls))
|
jaroslav@1542
|
860 |
.append("link('")
|
lubomir@1029
|
861 |
.append(className)
|
jaroslav@1705
|
862 |
.append("', function(f) { ").append(assignClass(cls)).append(" f; });");
|
lubomir@1029
|
863 |
|
lubomir@1029
|
864 |
return null;
|
lubomir@1029
|
865 |
}
|
lubomir@1029
|
866 |
|
lubomir@1094
|
867 |
return super.generateClass(className);
|
lubomir@1029
|
868 |
}
|
lubomir@1029
|
869 |
|
lubomir@1029
|
870 |
@Override
|
lubomir@1029
|
871 |
protected String getExportsObject() {
|
lubomir@1020
|
872 |
return "exports";
|
lubomir@1020
|
873 |
}
|
lubomir@1094
|
874 |
|
lubomir@1094
|
875 |
@Override
|
lubomir@1094
|
876 |
protected boolean isExternalClass(String className) {
|
lubomir@1094
|
877 |
return !extensionClasses.contains(className);
|
lubomir@1094
|
878 |
}
|
jaroslav@1367
|
879 |
|
jaroslav@1693
|
880 |
@Override
|
jaroslav@1693
|
881 |
protected void lazyReference(Appendable out, String n) throws IOException {
|
jaroslav@1693
|
882 |
String cls = n.replace('/', '_');
|
jaroslav@1693
|
883 |
|
jaroslav@1693
|
884 |
out.append("\nvm.").append(cls).append(" = function() {");
|
jaroslav@1693
|
885 |
out.append("\n var instance = arguments.length == 0 || arguments[0] === true;");
|
jaroslav@1693
|
886 |
out.append("\n delete vm.").append(cls).append(";");
|
jaroslav@1705
|
887 |
out.append("\n return link('").append(n).append("', function(f) { vm.");
|
jaroslav@1705
|
888 |
out.append(cls).append(" = f;})(instance);");
|
jaroslav@1693
|
889 |
out.append("\n}");
|
jaroslav@1693
|
890 |
}
|
jaroslav@1722
|
891 |
|
jaroslav@1722
|
892 |
@Override
|
jaroslav@1722
|
893 |
protected void requireResource(String resourcePath) throws IOException {
|
jaroslav@1953
|
894 |
requireResourceImpl(true, resourcePath);
|
jaroslav@1825
|
895 |
super.asBinary.remove(resourcePath);
|
jaroslav@1722
|
896 |
}
|
jaroslav@1367
|
897 |
}
|
jaroslav@29
|
898 |
}
|