author | cg |
Tue, 12 May 1998 20:25:02 +0000 | |
changeset 353 | 666b33cfc98f |
parent 352 | 9093171ef0a6 |
child 355 | 9452f8876652 |
permissions | -rw-r--r-- |
1 | 1 |
Object subclass:#JavaClassReader |
91 | 2 |
instanceVariableNames:'inStream msb constants majorVsn minorVsn constNeeds2Slots |
38 | 3 |
constSlot' |
198 | 4 |
classVariableNames:'Verbose Silent AbsolutelySilent LazyClassLoading |
275 | 5 |
InvalidClassFormatSignal ClassLoaderQuerySignal' |
1 | 6 |
poolDictionaries:'' |
7 |
category:'Java-Support' |
|
8 |
! |
|
9 |
||
10 |
||
135 | 11 |
!JavaClassReader class methodsFor:'initialization'! |
1 | 12 |
|
13 |
initialize |
|
198 | 14 |
InvalidClassFormatSignal := Signal new mayProceed:true. |
15 |
InvalidClassFormatSignal notifierString:'class load failure'. |
|
16 |
InvalidClassFormatSignal nameClass:self message:#invalidClassFormatSignal. |
|
17 |
||
91 | 18 |
Verbose := false. |
19 |
Silent := true. |
|
20 |
AbsolutelySilent := false. |
|
21 |
||
22 |
LazyClassLoading := false. "/ true. |
|
223 | 23 |
ClassLoaderQuerySignal := QuerySignal new |
29 | 24 |
|
25 |
" |
|
26 |
JavaClassReader initialize |
|
27 |
" |
|
28 |
||
275 | 29 |
"Modified: / 27.1.1998 / 17:54:23 / cg" |
198 | 30 |
! ! |
31 |
||
32 |
!JavaClassReader class methodsFor:'Signal constants'! |
|
33 |
||
223 | 34 |
classLoaderQuerySignal |
35 |
^ ClassLoaderQuerySignal |
|
36 |
||
37 |
"Created: 14.8.1997 / 19:56:03 / cg" |
|
38 |
! |
|
39 |
||
198 | 40 |
invalidClassFormatSignal |
41 |
^ InvalidClassFormatSignal |
|
42 |
||
43 |
"Created: 3.8.1997 / 18:17:21 / cg" |
|
1 | 44 |
! ! |
45 |
||
344 | 46 |
!JavaClassReader class methodsFor:'constants'! |
47 |
||
48 |
fileMajorVersion |
|
49 |
^ 45 |
|
50 |
||
51 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
52 |
"Created: / 7.5.1998 / 13:16:35 / cg" |
|
53 |
! |
|
54 |
||
55 |
fileMinorVersion |
|
56 |
^ 3 |
|
57 |
||
58 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
59 |
"Created: / 7.5.1998 / 13:16:40 / cg" |
|
60 |
! |
|
61 |
||
62 |
magic_LSB |
|
63 |
^ 16rBEBAFECA |
|
64 |
||
65 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
66 |
"Created: / 7.5.1998 / 13:15:05 / cg" |
|
67 |
! |
|
68 |
||
69 |
magic_MSB |
|
70 |
^ 16rCAFEBABE |
|
71 |
||
72 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
73 |
! ! |
|
74 |
||
135 | 75 |
!JavaClassReader class methodsFor:'debugging'! |
1 | 76 |
|
77 |
verbose:aBoolean |
|
78 |
Verbose := aBoolean |
|
79 |
||
80 |
" |
|
67 | 81 |
Java flushClasses. |
1 | 82 |
JavaClassReader verbose:true |
83 |
JavaClassReader verbose:false |
|
84 |
" |
|
85 |
! ! |
|
86 |
||
135 | 87 |
!JavaClassReader class methodsFor:'file reading'! |
1 | 88 |
|
21 | 89 |
loadClass:aClassName |
43 | 90 |
"reads a class, installs and returns it. |
91 |
The classes string constants are resolved & <clinit> is called, |
|
92 |
if it implements it." |
|
21 | 93 |
|
223 | 94 |
|rslt loader| |
21 | 95 |
|
223 | 96 |
loader := ClassLoaderQuerySignal raise. |
97 |
loader isNil ifTrue:[ |
|
252 | 98 |
rslt := self loadClassLazy:aClassName ignoring:(Set new). |
99 |
rslt notNil ifTrue:[self postLoadActions]. |
|
40 | 100 |
|
252 | 101 |
^ rslt |
223 | 102 |
]. |
103 |
||
104 |
^ loader loadClass:aClassName |
|
21 | 105 |
|
106 |
" |
|
107 |
JavaClassReader loadClass:'awt/Component' |
|
108 |
JavaClassReader loadClass:'awt/Button' |
|
109 |
JavaClassReader loadClass:'browser/AddButton' |
|
110 |
||
111 |
JavaClassReader loadClass:'java/lang/Object' |
|
112 |
JavaClassReader loadClass:'java/lang/AbstractMethodError' |
|
113 |
JavaClassReader loadClass:'java/lang/Thread' |
|
114 |
" |
|
115 |
||
252 | 116 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
117 |
"Modified: / 3.1.1998 / 22:36:13 / cg" |
|
21 | 118 |
! |
119 |
||
54 | 120 |
loadClassLazy:aClassName ignoring:classesBeingLoaded |
38 | 121 |
"private helper: |
122 |
reads a class, installs and returns it. |
|
123 |
The class is searched along the ClassPath. |
|
43 | 124 |
|
125 |
This is a partial load (to load other classes): |
|
126 |
- The classes stringConstants are not fixed to be JavaStrings |
|
127 |
(i.e they are still ST-Strings). |
|
252 | 128 |
- The class is NOT initialized." |
38 | 129 |
|
91 | 130 |
|rslt clsName cls loadedClass| |
50 | 131 |
|
52 | 132 |
(aClassName endsWith:';') ifTrue:[ |
278 | 133 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
134 |
self halt:'should not happen'. |
|
135 |
^ nil |
|
91 | 136 |
]. |
137 |
(aClassName endsWith:'[]') ifTrue:[ |
|
278 | 138 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
139 |
self halt:'should not happen'. |
|
140 |
^ nil |
|
52 | 141 |
]. |
142 |
||
50 | 143 |
clsName := aClassName. |
144 |
(clsName includes:$.) ifTrue:[ |
|
278 | 145 |
clsName := clsName asString copy replaceAll:$. with:$/ |
50 | 146 |
]. |
38 | 147 |
|
91 | 148 |
(classesBeingLoaded notNil and:[classesBeingLoaded includes:clsName]) ifTrue:[ |
278 | 149 |
('oops - recursive load of ' , clsName , ' attempted') printNL. |
150 |
self halt:'should not happen'. |
|
151 |
^ JavaUnresolvedClassConstant fullName:clsName |
|
54 | 152 |
]. |
153 |
||
91 | 154 |
(cls := Java at:clsName) notNil ifTrue:[ |
278 | 155 |
('oops - ' , clsName , ' is already loaded') printNL. |
156 |
self halt:clsName , ' is already loaded - should not happen'. |
|
157 |
^ cls |
|
91 | 158 |
]. |
159 |
||
160 |
classesBeingLoaded isNil ifTrue:[ |
|
278 | 161 |
loadedClass := Set with:clsName |
91 | 162 |
] ifFalse:[ |
278 | 163 |
loadedClass := Set withAll:classesBeingLoaded. |
164 |
loadedClass add:clsName. |
|
91 | 165 |
]. |
54 | 166 |
|
135 | 167 |
Java classPath do:[:path | |
327 | 168 |
|nm p zar entry| |
91 | 169 |
|
278 | 170 |
p := path. |
327 | 171 |
p asFilename isDirectory ifTrue:[ |
172 |
(p endsWith:Filename separator) ifFalse:[ |
|
173 |
p := p , (Filename separator asString) |
|
174 |
]. |
|
175 |
(Array |
|
176 |
with:clsName |
|
177 |
with:clsName asLowercase |
|
178 |
with:clsName asUppercase) |
|
179 |
do:[:tryName | |
|
180 |
(nm := p , tryName , '.class') asFilename exists ifTrue:[ |
|
181 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
182 |
rslt := self loadFileLazy:nm ignoring:loadedClass. |
|
183 |
rslt notNil ifTrue:[^ rslt]. |
|
184 |
] |
|
185 |
]. |
|
186 |
] |
|
187 |
] ifFalse:[ |
|
188 |
(p asFilename withSuffix:'zip') exists ifTrue:[ |
|
189 |
zar := ZipArchive oldFileNamed:(p asFilename withSuffix:'zip'). |
|
190 |
(Array |
|
191 |
with:clsName |
|
192 |
with:clsName asLowercase |
|
193 |
with:clsName asUppercase) |
|
194 |
do:[:tryName | |
|
195 |
nm := tryName , '.class'. |
|
196 |
entry := zar extract:nm. |
|
197 |
entry notNil ifTrue:[ |
|
198 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
199 |
rslt := self loadStreamLazy:(entry readStream) ignoring:loadedClass. |
|
200 |
rslt notNil ifTrue:[^ rslt]. |
|
201 |
] |
|
202 |
] |
|
278 | 203 |
] |
327 | 204 |
] |
278 | 205 |
] |
38 | 206 |
]. |
207 |
||
318 | 208 |
('JAVA [info]: no file found for: ' , clsName) infoPrintCR. |
91 | 209 |
^ nil |
135 | 210 |
|
252 | 211 |
"Modified: / 14.8.1997 / 11:38:42 / stefan" |
327 | 212 |
"Modified: / 30.3.1998 / 18:05:59 / cg" |
38 | 213 |
! |
214 |
||
7 | 215 |
loadFile:aFilename |
43 | 216 |
"reads a class from aFilename, installs and returns it. |
217 |
The classes strings are fixed and its class-init function is called." |
|
218 |
||
54 | 219 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 220 |
self postLoadActions |
221 |
! |
|
222 |
||
54 | 223 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 224 |
"reads a class from aFilename, installs and returns it. |
91 | 225 |
Strings are fixed and classrefs are fixed, |
226 |
but NO no class-init functions are called." |
|
7 | 227 |
|
353 | 228 |
|aClass pool| |
7 | 229 |
|
353 | 230 |
aClass := self readFile:aFilename ignoring:classesBeingLoaded. |
231 |
aClass notNil ifTrue:[ |
|
232 |
aClass isJavaClass ifTrue:[ |
|
350 | 233 |
"/ a java class |
353 | 234 |
Java at:(aClass fullName asSymbol) put:aClass. |
350 | 235 |
|
353 | 236 |
classesBeingLoaded remove:aClass fullName ifAbsent:nil. |
21 | 237 |
|
353 | 238 |
JavaUnresolvedConstant resolveFor:aClass. |
350 | 239 |
] ifFalse:[ |
240 |
"/ a smalltalk class |
|
353 | 241 |
"/ self halt. |
242 |
aClass inspect. |
|
350 | 243 |
] |
7 | 244 |
]. |
353 | 245 |
^ aClass |
7 | 246 |
|
247 |
" |
|
248 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 249 |
|
250 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
350 | 251 |
directoryContents do:[:nm | |
252 |
(nm endsWith:'.class') ifTrue:[ |
|
253 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
254 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
255 |
] |
|
256 |
]. |
|
9 | 257 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
258 |
'/phys/ibm3/java/lib/java/io' asFilename |
350 | 259 |
directoryContents do:[:nm | |
260 |
(nm endsWith:'.class') ifTrue:[ |
|
261 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
262 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
|
263 |
] |
|
264 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
265 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
266 |
'/phys/ibm3/java/lib/java/net' asFilename |
350 | 267 |
directoryContents do:[:nm | |
268 |
(nm endsWith:'.class') ifTrue:[ |
|
269 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
270 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
|
271 |
] |
|
272 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
273 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
274 |
'/phys/ibm3/java/lib/java/util' asFilename |
350 | 275 |
directoryContents do:[:nm | |
276 |
(nm endsWith:'.class') ifTrue:[ |
|
277 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
278 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
|
279 |
] |
|
280 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
281 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
282 |
'/phys/ibm3/java/lib/java/awt' asFilename |
350 | 283 |
directoryContents do:[:nm | |
284 |
(nm endsWith:'.class') ifTrue:[ |
|
285 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
286 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
287 |
] |
|
288 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
289 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
290 |
'/phys/ibm3/java/lib/java/applet' asFilename |
350 | 291 |
directoryContents do:[:nm | |
292 |
(nm endsWith:'.class') ifTrue:[ |
|
293 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
294 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
295 |
] |
|
296 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
297 |
|
9 | 298 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/AbstractMethodError.class' |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
299 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 300 |
" |
301 |
||
350 | 302 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
353 | 303 |
"Modified: / 12.5.1998 / 22:06:52 / cg" |
7 | 304 |
! |
305 |
||
327 | 306 |
loadStreamLazy:aStream ignoring:classesBeingLoaded |
307 |
"reads a class from aStream, installs and returns it. |
|
308 |
Strings are fixed and classrefs are fixed, |
|
309 |
but NO no class-init functions are called." |
|
310 |
||
311 |
|javaClass pool| |
|
312 |
||
313 |
javaClass := self readStream:aStream ignoring:classesBeingLoaded. |
|
314 |
javaClass notNil ifTrue:[ |
|
315 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
|
316 |
||
317 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
318 |
||
319 |
JavaUnresolvedConstant resolveFor:javaClass. |
|
320 |
]. |
|
321 |
^ javaClass |
|
322 |
||
323 |
"Created: / 30.3.1998 / 17:59:02 / cg" |
|
324 |
! |
|
325 |
||
43 | 326 |
postLoadActions |
327 |
"Resolve all classes' string constants. |
|
328 |
Perform all class initialization functions (of those which are not |
|
329 |
yet initialized)." |
|
330 |
||
225 | 331 |
^ self postLoadActions:true |
332 |
||
333 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
334 |
! |
|
335 |
||
336 |
postLoadActions:loadUnresolved |
|
337 |
"Resolve all classes' string constants. |
|
252 | 338 |
Perform all class initialization functions |
339 |
(of those which are not yet initialized)." |
|
225 | 340 |
|
223 | 341 |
|classes prevUnresolved newUnresolved loader| |
43 | 342 |
|
91 | 343 |
"/ need at least java.lang.String, for valid constants |
167 | 344 |
Java java_lang_String isNil ifTrue:[ |
255 | 345 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 346 |
]. |
347 |
||
91 | 348 |
LazyClassLoading ifFalse:[ |
255 | 349 |
loader := ClassLoaderQuerySignal raise. |
350 |
||
351 |
prevUnresolved := nil. |
|
352 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
353 |
loadUnresolved ifTrue:[ |
|
354 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
355 |
newUnresolved do:[:nextUnresolved | |
|
356 |
|classURL| |
|
223 | 357 |
|
255 | 358 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
359 |
Silent ifFalse:[ |
|
360 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
361 |
]. |
|
362 |
loader isNil ifTrue:[ |
|
363 |
self |
|
364 |
loadClassLazy:nextUnresolved |
|
365 |
ignoring:(Set new). |
|
366 |
] ifFalse:[ |
|
367 |
"/ |
|
368 |
"/ the aquired loader is a javaClassLoader |
|
369 |
"/ which expects an URL as arg. |
|
370 |
"/ |
|
371 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
372 |
"/ loader loadClass:classURL |
|
373 |
loader |
|
374 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
375 |
with:(Java as_String:(nextUnresolved asString)). |
|
376 |
] |
|
377 |
] |
|
378 |
]. |
|
379 |
prevUnresolved := newUnresolved. |
|
380 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
381 |
]. |
|
382 |
]. |
|
229 | 383 |
|
255 | 384 |
newUnresolved size == 0 ifTrue:[ |
385 |
"/ nothing unresolved |
|
91 | 386 |
|
255 | 387 |
(classes := Java allClasses) notNil ifTrue:[ |
388 |
"/ init all new classes |
|
389 |
"/ fetch again - there could be new ones ... |
|
91 | 390 |
|
255 | 391 |
classes := Java allClasses. |
392 |
classes do:[:aJavaClass | |
|
393 |
aJavaClass isInitialized ifFalse:[ |
|
394 |
Silent ifFalse:[ |
|
395 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
396 |
]. |
|
397 |
aJavaClass classInit |
|
398 |
] |
|
399 |
] |
|
400 |
] |
|
401 |
]. |
|
43 | 402 |
] |
167 | 403 |
|
252 | 404 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
255 | 405 |
"Modified: / 7.1.1998 / 14:13:55 / cg" |
43 | 406 |
! |
407 |
||
54 | 408 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 409 |
"reads a class from aFilename and returns it. |
91 | 410 |
The JavaClass is NOT installed as global and unresolved |
411 |
refs are NOT patched." |
|
7 | 412 |
|
73 | 413 |
|inStream javaClass| |
1 | 414 |
|
43 | 415 |
Silent ifFalse:[ |
318 | 416 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 417 |
]. |
21 | 418 |
|
1 | 419 |
inStream := aFilename asFilename readStream. |
91 | 420 |
inStream isNil ifTrue:[ |
318 | 421 |
('JAVA [info]: no file: ' , aFilename) printCR. |
422 |
self halt. |
|
423 |
^ nil |
|
91 | 424 |
]. |
425 |
||
426 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
350 | 427 |
(javaClass notNil and:[javaClass isJavaClass]) ifTrue:[ |
318 | 428 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 429 |
]. |
1 | 430 |
inStream close. |
27 | 431 |
|
91 | 432 |
AbsolutelySilent ifFalse:[ |
318 | 433 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 434 |
]. |
27 | 435 |
|
73 | 436 |
^ javaClass |
1 | 437 |
|
318 | 438 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
350 | 439 |
"Modified: / 9.5.1998 / 01:44:24 / cg" |
1 | 440 |
! |
441 |
||
198 | 442 |
readStream:aStream |
443 |
"reads a class from aStream and returns it. |
|
223 | 444 |
The JavaClass is installed as global. |
445 |
If new classes are required to be loaded, a new standard loader |
|
446 |
is created." |
|
198 | 447 |
|
223 | 448 |
^ self readStream:aStream loader:nil |
198 | 449 |
|
223 | 450 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 451 |
! |
452 |
||
54 | 453 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 454 |
"reads a class from aStream and returns it. |
455 |
The JavaClass is not installed as global" |
|
456 |
||
327 | 457 |
|javaClass| |
458 |
||
459 |
javaClass := self new readStream:aStream ignoring:classesBeingLoaded. |
|
1 | 460 |
|
327 | 461 |
AbsolutelySilent ifFalse:[ |
462 |
' ... loaded ' print. javaClass displayString printNL. |
|
463 |
]. |
|
1 | 464 |
|
327 | 465 |
^ javaClass |
466 |
||
467 |
"Modified: / 30.3.1998 / 18:14:40 / cg" |
|
223 | 468 |
! |
469 |
||
470 |
readStream:aStream loader:aClassLoader |
|
471 |
"reads a class from aStream and returns it. |
|
472 |
The JavaClass is installed as global. |
|
473 |
If new classes are required to be loaded, aClassLoader is |
|
474 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
475 |
is created." |
|
476 |
||
225 | 477 |
^ self |
252 | 478 |
readStream:aStream |
479 |
loader:aClassLoader |
|
480 |
loadUnresolved:true |
|
225 | 481 |
|
482 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
483 |
! |
|
484 |
||
485 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
486 |
"reads a class from aStream and returns it. |
|
487 |
The JavaClass is installed as global. |
|
488 |
If new classes are required to be loaded, aClassLoader is |
|
489 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
490 |
is created." |
|
491 |
||
223 | 492 |
|javaClass| |
493 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
494 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
495 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
496 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
497 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
498 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
499 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
500 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
501 |
]. |
223 | 502 |
]. |
503 |
^ javaClass |
|
504 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
505 |
"Created: / 15.8.1997 / 00:59:24 / cg" |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
506 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
1 | 507 |
! ! |
508 |
||
509 |
!JavaClassReader methodsFor:'file reading'! |
|
510 |
||
54 | 511 |
readClassFileIgnoring:classesbeingLoaded |
7 | 512 |
"reads a class from inStream and returns it. |
38 | 513 |
The JavaClass is not installed as global and its constants |
514 |
(especially strings) may not be fully resolved." |
|
7 | 515 |
|
9 | 516 |
|magic |
38 | 517 |
access_flags this_class this_class_index super_class super_class_index |
518 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
519 |
fields interfaces staticFields nStatic |
353 | 520 |
jSuperClass loader superClassName thisClassName existing_class |
521 |
thisMetaClass| |
|
1 | 522 |
|
523 |
"/ |
|
524 |
"/ read magic, determine byte order |
|
525 |
"/ |
|
526 |
msb := true. |
|
344 | 527 |
magic := inStream nextUnsignedLongMSB:true. |
528 |
magic = (self class magic_MSB) ifFalse:[ |
|
529 |
magic = (self class magic_LSB) ifFalse:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
530 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
531 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
532 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
533 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
534 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 535 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
536 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 537 |
]. |
538 |
||
539 |
"/ |
|
540 |
"/ get version |
|
541 |
"/ |
|
128 | 542 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
543 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 544 |
|
344 | 545 |
(majorVsn ~~ (self class fileMajorVersion) |
546 |
or:[minorVsn ~~ (self class fileMinorVersion)]) ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
547 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 548 |
]. |
549 |
||
550 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
551 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
552 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
553 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
554 |
showCR:(minorVsn printString). |
99 | 555 |
]. |
1 | 556 |
|
557 |
"/ |
|
558 |
"/ get constant pool |
|
559 |
"/ |
|
560 |
self readConstantPool. |
|
561 |
||
562 |
"/ |
|
563 |
"/ access flags |
|
564 |
"/ |
|
128 | 565 |
access_flags := inStream nextUnsignedShortMSB:msb. |
566 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
567 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 568 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
569 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
570 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
571 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
572 |
super_class := constants at:super_class_index. |
350 | 573 |
superClassName := super_class fullName. |
574 |
||
575 |
"/ special for ST-classes |
|
576 |
(superClassName startsWith:'smalltalk.') ifTrue:[ |
|
577 |
"/ a Smalltalk class |
|
578 |
superClassName := superClassName copyFrom:11. |
|
579 |
existingSuperClass := Smalltalk at:superClassName asSymbol. |
|
580 |
existingSuperClass notNil ifTrue:[ |
|
581 |
super_class := existingSuperClass |
|
582 |
] ifFalse:[ |
|
583 |
"/ self halt - must load superclass ... |
|
584 |
] |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
585 |
] ifFalse:[ |
350 | 586 |
"/ a JAVA class |
587 |
existingSuperClass := Java classNamed:superClassName. |
|
588 |
existingSuperClass notNil ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
589 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
590 |
] ifFalse:[ |
350 | 591 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
592 |
Silent ifFalse:[ |
|
593 |
'load superClass: ' print. superClassName printCR. |
|
594 |
]. |
|
595 |
loader := ClassLoaderQuerySignal raise. |
|
596 |
loader isNil ifTrue:[ |
|
597 |
existingSuperClass := self class |
|
598 |
loadClassLazy:superClassName |
|
599 |
ignoring:classesbeingLoaded. |
|
600 |
] ifFalse:[ |
|
601 |
jSuperClass := loader |
|
602 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
603 |
with:(Java as_String:superClassName). |
|
604 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
|
605 |
]. |
|
606 |
existingSuperClass isNil ifTrue:[ |
|
607 |
self halt:('cannot find superclass: ' , superClassName). |
|
608 |
]. |
|
609 |
super_class := existingSuperClass |
|
610 |
] ifFalse:[ |
|
611 |
self halt:'oops - superclass ?' |
|
612 |
] |
|
613 |
]. |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
614 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
615 |
]. |
1 | 616 |
|
617 |
"/ |
|
618 |
"/ get interfaces |
|
619 |
"/ |
|
38 | 620 |
interfaces := self readInterfaces. |
1 | 621 |
|
622 |
"/ |
|
623 |
"/ get fields |
|
624 |
"/ |
|
38 | 625 |
fields := self readFieldInfofields. |
40 | 626 |
|
627 |
"/ |
|
628 |
"/ create the fields as instVars |
|
629 |
"/ static fields are created as class-InstVars |
|
630 |
"/ |
|
631 |
staticFields := fields select:[:f | f isStatic]. |
|
632 |
nStatic := staticFields size. |
|
633 |
||
634 |
this_class_ref := constants at:this_class_index. |
|
350 | 635 |
thisClassName := this_class_ref fullName. |
636 |
||
637 |
"/ care for smalltalk classes ... |
|
638 |
(thisClassName startsWith:'smalltalk.') ifTrue:[ |
|
639 |
thisClassName := thisClassName copyFrom:11. |
|
182 | 640 |
|
350 | 641 |
existing_class := Smalltalk at:thisClassName asSymbol. |
642 |
existing_class notNil ifTrue:[ |
|
643 |
self halt:('overloading existing class: ', thisClassName) |
|
644 |
]. |
|
353 | 645 |
thisMetaClass := Metaclass new. |
646 |
thisMetaClass setSuperclass:super_class class. |
|
647 |
||
648 |
this_class := thisMetaClass new. |
|
350 | 649 |
this_class setSuperclass:super_class. |
650 |
this_class setName:thisClassName asSymbol. |
|
651 |
] ifFalse:[ |
|
652 |
"/ a java class |
|
653 |
||
654 |
this_class := JavaClass fullName:thisClassName numStatic:nStatic. |
|
40 | 655 |
|
350 | 656 |
nStatic ~~ 0 ifTrue:[ |
657 |
fields := fields select:[:f | f isStatic not]. |
|
658 |
||
659 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
|
660 |
this_class setStaticFields:staticFields. |
|
661 |
this_class initializeStaticFields. |
|
662 |
]. |
|
40 | 663 |
|
350 | 664 |
this_class setAccessFlags:access_flags. |
665 |
this_class setSuperclass:super_class. |
|
666 |
this_class setConstantPool:constants. |
|
40 | 667 |
|
350 | 668 |
this_class setFields:fields. |
669 |
this_class setInterfaces:interfaces. |
|
670 |
||
671 |
constants owner:this_class. |
|
672 |
]. |
|
1 | 673 |
|
674 |
"/ |
|
675 |
"/ get methods |
|
676 |
"/ |
|
38 | 677 |
self readMethodsFor:this_class. |
1 | 678 |
|
5 | 679 |
self readAttributesFor:this_class. |
680 |
||
681 |
^ this_class |
|
682 |
||
1 | 683 |
" |
684 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
685 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 686 |
|
687 |
JavaClassReader verbose:true. |
|
688 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
689 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 690 |
" |
691 |
||
252 | 692 |
"Created: / 15.4.1996 / 15:02:47 / cg" |
353 | 693 |
"Modified: / 12.5.1998 / 22:23:55 / cg" |
5 | 694 |
! |
695 |
||
54 | 696 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 697 |
"reads a class from aStream and returns it. |
698 |
The JavaClass is not installed as global" |
|
699 |
||
5 | 700 |
inStream := aStream. |
701 |
inStream binary. |
|
38 | 702 |
|
54 | 703 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 704 |
|
705 |
" |
|
706 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
707 |
" |
|
708 |
||
709 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
710 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
711 |
! ! |
|
712 |
||
713 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
714 |
||
715 |
readAttribute:attributeName for:something |
|
344 | 716 |
"/ implemented ST attributes |
717 |
(attributeName = 'STLiterals') ifTrue:[ |
|
718 |
self readSTLiteralsAttributeFor:something. |
|
719 |
^ self. |
|
720 |
]. |
|
350 | 721 |
(attributeName = 'ClassRevision') ifTrue:[ |
722 |
self readSTClassRevisionAttributeFor:something. |
|
723 |
^ self. |
|
724 |
]. |
|
725 |
(attributeName = 'ClassPackage') ifTrue:[ |
|
726 |
self readSTClassPackageAttributeFor:something. |
|
348 | 727 |
^ self. |
728 |
]. |
|
350 | 729 |
(attributeName = 'ClassCategory') ifTrue:[ |
730 |
self readSTClassCategoryAttributeFor:something. |
|
731 |
^ self. |
|
732 |
]. |
|
353 | 733 |
(attributeName = 'ClassVarNames') ifTrue:[ |
734 |
self readSTClassVarNamesAttributeFor:something. |
|
735 |
^ self. |
|
736 |
]. |
|
737 |
(attributeName = 'ClassInstVarNames') ifTrue:[ |
|
738 |
self readSTClassInstVarNamesAttributeFor:something. |
|
739 |
^ self. |
|
740 |
]. |
|
741 |
(attributeName = 'InstVarNames') ifTrue:[ |
|
742 |
self readSTInstVarNamesAttributeFor:something. |
|
743 |
^ self. |
|
744 |
]. |
|
745 |
(attributeName = 'STCode') ifTrue:[ |
|
746 |
self readCodeAttributeFor:something. |
|
747 |
^ self. |
|
748 |
]. |
|
83 | 749 |
|
344 | 750 |
"/ implemented JAVA attributes |
5 | 751 |
(attributeName = 'Code') ifTrue:[ |
333 | 752 |
self readCodeAttributeFor:something. |
753 |
^ self. |
|
5 | 754 |
]. |
83 | 755 |
(attributeName = 'Exceptions') ifTrue:[ |
333 | 756 |
self readExceptionsAttributeFor:something. |
757 |
^ self. |
|
83 | 758 |
]. |
5 | 759 |
(attributeName = 'LineNumberTable') ifTrue:[ |
333 | 760 |
self readLineNumberTableAttributeFor:something. |
761 |
^ self. |
|
5 | 762 |
]. |
763 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
333 | 764 |
self readLocalVariableTableAttributeFor:something. |
765 |
^ self. |
|
5 | 766 |
]. |
767 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
333 | 768 |
self readConstantValueAttributeFor:something. |
769 |
^ self. |
|
5 | 770 |
]. |
771 |
(attributeName = 'SourceFile') ifTrue:[ |
|
333 | 772 |
self readSourceFileAttributeFor:something. |
773 |
^ self. |
|
774 |
]. |
|
775 |
||
344 | 776 |
"/ ignored JAVA attributes |
333 | 777 |
(attributeName = 'Deprecated') ifTrue:[ |
335 | 778 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 779 |
self skipAttribute:attributeName. |
780 |
^ self. |
|
252 | 781 |
]. |
333 | 782 |
(attributeName = 'AbsoluteSourcePath') ifTrue:[ |
335 | 783 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 784 |
self skipAttribute:attributeName. |
785 |
^ self. |
|
786 |
]. |
|
787 |
(attributeName = 'Synthetic') ifTrue:[ |
|
335 | 788 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 789 |
self skipAttribute:attributeName. |
790 |
^ self. |
|
791 |
]. |
|
792 |
(attributeName = 'InnerClasses') ifTrue:[ |
|
335 | 793 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 794 |
self skipAttribute:attributeName. |
795 |
^ self. |
|
5 | 796 |
]. |
83 | 797 |
|
344 | 798 |
"/ unknwon attributes |
335 | 799 |
('JAVA [warning]: unrecognized attribute: ' , attributeName) infoPrintCR. |
333 | 800 |
self skipAttribute:attributeName. |
5 | 801 |
|
353 | 802 |
"Modified: / 12.5.1998 / 22:19:04 / cg" |
5 | 803 |
! |
804 |
||
805 |
readAttributeFor:something |
|
806 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
807 |
||
61 | 808 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 809 |
|
128 | 810 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 811 |
|
812 |
"/ |
|
813 |
"/ UNDOC feature ? |
|
814 |
"/ |
|
815 |
attribute_name_index > constants size ifTrue:[ |
|
333 | 816 |
attribute_name_index == 16rb700 ifTrue:[ |
817 |
self halt. |
|
818 |
] |
|
9 | 819 |
]. |
820 |
||
5 | 821 |
attribute_name := constants at:attribute_name_index. |
9 | 822 |
|
61 | 823 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 824 |
|
333 | 825 |
self readAttribute:attribute_name for:something. |
5 | 826 |
|
827 |
" |
|
828 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
829 |
" |
|
830 |
||
333 | 831 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
832 |
"Modified: / 9.4.1998 / 18:13:34 / cg" |
|
5 | 833 |
! |
834 |
||
835 |
readAttributesFor:something |
|
836 |
|attributes_count| |
|
837 |
||
128 | 838 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 839 |
|
840 |
1 to:attributes_count do:[:i | |
|
252 | 841 |
self readAttributeFor:something. |
5 | 842 |
]. |
843 |
||
844 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
845 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
333 | 846 |
! |
847 |
||
353 | 848 |
readSourceFileAttributeFor:aClass |
350 | 849 |
|attribute_length sourceFile_index sourceFile| |
850 |
||
851 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
852 |
||
853 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
|
854 |
sourceFile := constants at:sourceFile_index. |
|
855 |
||
353 | 856 |
aClass isJavaClass ifTrue:[ |
857 |
aClass setSourceFile:sourceFile. |
|
858 |
] ifFalse:[ |
|
859 |
aClass setClassFilename:sourceFile |
|
860 |
]. |
|
350 | 861 |
|
862 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
|
863 |
^ true |
|
864 |
||
865 |
" |
|
866 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
867 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
868 |
JavaClassReader loadFile:'foo.cls' |
|
869 |
" |
|
870 |
||
871 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
|
353 | 872 |
"Modified: / 12.5.1998 / 22:01:07 / cg" |
350 | 873 |
! |
874 |
||
333 | 875 |
skipAttribute:attributeName |
876 |
"dont know about this attribute - skip it here" |
|
877 |
||
878 |
|attribute_length attribute_info| |
|
879 |
||
880 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
881 |
attribute_info := ByteArray new:(attribute_length). |
|
882 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
883 |
||
884 |
Verbose ifTrue:[Transcript show:'skipped '; show:attributeName; showCR:'-attribute']. |
|
885 |
||
886 |
"Created: / 9.4.1998 / 18:12:46 / cg" |
|
887 |
"Modified: / 9.4.1998 / 18:13:20 / cg" |
|
5 | 888 |
! ! |
889 |
||
350 | 890 |
!JavaClassReader methodsFor:'file reading - attributes-ST'! |
891 |
||
892 |
readSTClassCategoryAttributeFor:aClass |
|
893 |
|attribute_length categoryString_index categoryString| |
|
894 |
||
895 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
896 |
||
897 |
categoryString_index := inStream nextUnsignedShortMSB:msb. |
|
898 |
categoryString := constants at:categoryString_index. |
|
899 |
||
900 |
aClass category:categoryString. |
|
901 |
||
902 |
Verbose ifTrue:[Transcript show:'categoryString: '; showCR:categoryString]. |
|
903 |
^ true |
|
904 |
||
905 |
" |
|
906 |
JavaClassReader loadFile:'foo.cls' |
|
907 |
" |
|
908 |
||
909 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
910 |
"Modified: / 9.5.1998 / 02:36:55 / cg" |
|
911 |
! |
|
912 |
||
353 | 913 |
readSTClassInstVarNamesAttributeFor:aClass |
914 |
|attribute_length nameString_index nameString| |
|
915 |
||
916 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
917 |
||
918 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
919 |
nameString := constants at:nameString_index. |
|
920 |
||
921 |
aClass class instanceVariableString:nameString. |
|
922 |
||
923 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
924 |
^ true |
|
925 |
||
926 |
" |
|
927 |
JavaClassReader loadFile:'foo.cls' |
|
928 |
" |
|
929 |
||
930 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
931 |
"Created: / 12.5.1998 / 22:18:24 / cg" |
|
932 |
! |
|
933 |
||
350 | 934 |
readSTClassPackageAttributeFor:aClass |
935 |
|attribute_length packageString_index packageString| |
|
936 |
||
937 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
938 |
||
939 |
packageString_index := inStream nextUnsignedShortMSB:msb. |
|
940 |
packageString := constants at:packageString_index. |
|
941 |
||
942 |
aClass package:packageString asSymbol. |
|
943 |
||
944 |
Verbose ifTrue:[Transcript show:'packageString: '; showCR:packageString]. |
|
945 |
^ true |
|
946 |
||
947 |
" |
|
948 |
JavaClassReader loadFile:'foo.cls' |
|
949 |
" |
|
950 |
||
951 |
"Modified: / 9.5.1998 / 02:32:38 / cg" |
|
952 |
"Created: / 9.5.1998 / 02:33:44 / cg" |
|
953 |
! |
|
954 |
||
955 |
readSTClassRevisionAttributeFor:aClass |
|
956 |
|attribute_length revisionString_index revisionString| |
|
957 |
||
958 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
959 |
||
960 |
revisionString_index := inStream nextUnsignedShortMSB:msb. |
|
961 |
revisionString := constants at:revisionString_index. |
|
962 |
||
963 |
aClass setBinaryRevision:revisionString. |
|
964 |
||
965 |
Verbose ifTrue:[Transcript show:'revisionString: '; showCR:revisionString]. |
|
966 |
^ true |
|
967 |
||
968 |
" |
|
969 |
JavaClassReader loadFile:'foo.cls' |
|
970 |
" |
|
971 |
||
972 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
973 |
"Modified: / 9.5.1998 / 02:35:01 / cg" |
|
353 | 974 |
! |
975 |
||
976 |
readSTClassVarNamesAttributeFor:aClass |
|
977 |
|attribute_length nameString_index nameString| |
|
978 |
||
979 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
980 |
||
981 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
982 |
nameString := constants at:nameString_index. |
|
983 |
||
984 |
aClass classVariableString:nameString. |
|
985 |
||
986 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
987 |
^ true |
|
988 |
||
989 |
" |
|
990 |
JavaClassReader loadFile:'foo.cls' |
|
991 |
" |
|
992 |
||
993 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
994 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
995 |
! |
|
996 |
||
997 |
readSTInstVarNamesAttributeFor:aClass |
|
998 |
|attribute_length nameString_index nameString| |
|
999 |
||
1000 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1001 |
||
1002 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
1003 |
nameString := constants at:nameString_index. |
|
1004 |
||
1005 |
aClass setInstanceVariableString:nameString. |
|
1006 |
||
1007 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
1008 |
^ true |
|
1009 |
||
1010 |
" |
|
1011 |
JavaClassReader loadFile:'foo.cls' |
|
1012 |
" |
|
1013 |
||
1014 |
"Created: / 12.5.1998 / 22:18:14 / cg" |
|
1015 |
"Modified: / 12.5.1998 / 22:21:10 / cg" |
|
350 | 1016 |
! ! |
1017 |
||
5 | 1018 |
!JavaClassReader methodsFor:'file reading - constants'! |
1019 |
||
1 | 1020 |
readConstant |
1021 |
|tag constReader const| |
|
1022 |
||
1023 |
||
11 | 1024 |
constNeeds2Slots := false. |
1025 |
||
1 | 1026 |
"/ |
1027 |
"/ get tag |
|
1028 |
"/ |
|
128 | 1029 |
tag := inStream nextByte. |
61 | 1030 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 1031 |
|
350 | 1032 |
tag >= 250 ifTrue:[ |
1033 |
constReader := #( |
|
1034 |
"/ ST types |
|
1035 |
readConstant_ST_Large "/ 249 |
|
1036 |
readConstant_ST_Special "/ 250 |
|
1037 |
readConstant_ST_Character "/ 251 |
|
1038 |
readConstant_ST_ByteArray "/ 252 |
|
1039 |
readConstant_ST_Array "/ 253 |
|
1040 |
readConstant_ST_Symbol "/ 254 |
|
1041 |
readConstant_ST_Reserved "/ 255 |
|
1042 |
) at:tag-249+1. |
|
1043 |
] ifFalse:[ |
|
1044 |
constReader := #( |
|
344 | 1045 |
"/ JAVA types |
1046 |
readConstant_Asciz "/ 1 - now called Utf8 |
|
1047 |
readConstant_Unicode "/ 2 |
|
1048 |
readConstant_Integer "/ 3 |
|
1049 |
readConstant_Float "/ 4 |
|
1050 |
readConstant_Long "/ 5 |
|
1051 |
readConstant_Double "/ 6 |
|
1052 |
readConstant_Class "/ 7 |
|
1053 |
readConstant_String "/ 8 |
|
1054 |
readConstant_Fieldref "/ 9 |
|
1055 |
readConstant_Methodref "/ 10 |
|
1056 |
readConstant_InterfaceMethodref "/ 11 |
|
1057 |
readConstant_NameAndType "/ 12 |
|
1058 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
350 | 1059 |
]. |
1 | 1060 |
^ self perform:constReader. |
1061 |
||
1062 |
" |
|
1063 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1064 |
" |
|
1065 |
||
344 | 1066 |
"Created: / 15.4.1996 / 15:46:32 / cg" |
350 | 1067 |
"Modified: / 9.5.1998 / 01:26:05 / cg" |
1 | 1068 |
! |
1069 |
||
1070 |
readConstantPool |
|
11 | 1071 |
|constantPoolCount const i| |
1 | 1072 |
|
1073 |
"/ |
|
1074 |
"/ get constant pool |
|
1075 |
"/ |
|
128 | 1076 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 1077 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 1078 |
|
91 | 1079 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 1080 |
|
21 | 1081 |
constSlot := 1. |
1082 |
[constSlot < constantPoolCount] whileTrue:[ |
|
344 | 1083 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
1084 |
const := self readConstant. |
|
1085 |
constants at:constSlot put:const. |
|
1086 |
||
1087 |
"/ long & double consts take 2 slots |
|
1088 |
"/ (only first is used) |
|
1089 |
constNeeds2Slots ifTrue:[ |
|
1090 |
constSlot := constSlot + 2. |
|
1091 |
] ifFalse:[ |
|
1092 |
constSlot := constSlot + 1. |
|
1093 |
] |
|
1 | 1094 |
]. |
1095 |
||
52 | 1096 |
constSlot := -1. |
1097 |
||
91 | 1098 |
"/ preresolve what can be (especially, strings are resolved here) |
1099 |
||
1 | 1100 |
1 to:constantPoolCount-1 do:[:i | |
344 | 1101 |
|const value| |
1 | 1102 |
|
344 | 1103 |
const := constants at:i. |
1104 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
1105 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
1106 |
value := const preResolve. |
|
1107 |
value ~~ const ifTrue:[ |
|
1108 |
constants at:i put:value. |
|
1109 |
] |
|
1110 |
] |
|
1111 |
] |
|
1 | 1112 |
]. |
1113 |
||
1114 |
" |
|
1115 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1116 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1117 |
" |
|
1118 |
||
344 | 1119 |
"Created: / 15.4.1996 / 15:14:11 / cg" |
1120 |
"Modified: / 7.5.1998 / 11:44:06 / cg" |
|
1 | 1121 |
! |
1122 |
||
1123 |
readConstant_Asciz |
|
1124 |
|len string| |
|
1125 |
||
128 | 1126 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 1127 |
string := String new:len. |
1128 |
inStream nextBytes:len into:string startingAt:1. |
|
1129 |
||
61 | 1130 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 1131 |
|
1132 |
^ string |
|
1133 |
||
1134 |
" |
|
1135 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1136 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1137 |
" |
|
1138 |
||
1139 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
1140 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
1141 |
! |
|
1142 |
||
1143 |
readConstant_Class |
|
52 | 1144 |
|name_index name| |
1 | 1145 |
|
128 | 1146 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 1147 |
|
61 | 1148 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 1149 |
|
52 | 1150 |
name := constants at:name_index. |
1151 |
name notNil ifTrue:[ |
|
350 | 1152 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
1153 |
"/ self halt |
|
52 | 1154 |
]. |
1155 |
||
21 | 1156 |
^ JavaUnresolvedClassConstant |
350 | 1157 |
pool:constants |
1158 |
poolIndex:constSlot |
|
1159 |
nameIndex:name_index |
|
91 | 1160 |
|
1 | 1161 |
" |
1162 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1163 |
" |
|
1164 |
||
350 | 1165 |
"Created: / 15.4.1996 / 15:21:13 / cg" |
1166 |
"Modified: / 8.5.1998 / 21:53:16 / cg" |
|
1 | 1167 |
! |
1168 |
||
11 | 1169 |
readConstant_Double |
350 | 1170 |
|high low aFloat bytes| |
1171 |
||
1172 |
"/ new code - to be tested |
|
1173 |
"/ bytes := ByteArray new:8. |
|
1174 |
"/ |
|
1175 |
"/ inStream nextBytes:8 into:bytes startingAt:1. |
|
1176 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1177 |
"/ bytes reverse |
|
1178 |
"/ ]. |
|
1179 |
"/ aFloat := bytes doubleAt:1. |
|
1180 |
||
1181 |
"/ old code |
|
11 | 1182 |
|
128 | 1183 |
high := inStream nextUnsignedLongMSB:msb. |
1184 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1185 |
|
1186 |
aFloat := Float new. |
|
1187 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
350 | 1188 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1189 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1190 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1191 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
1192 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
1193 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
1194 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
1195 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 1196 |
] ifFalse:[ |
350 | 1197 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
1198 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
1199 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
1200 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
1201 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
1202 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
1203 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
1204 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1205 |
]. |
1206 |
||
1207 |
constNeeds2Slots := true. |
|
1208 |
||
61 | 1209 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 1210 |
^ aFloat |
1211 |
||
1212 |
" |
|
1213 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1214 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1215 |
" |
|
1216 |
||
350 | 1217 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
1218 |
"Modified: / 8.5.1998 / 22:06:07 / cg" |
|
11 | 1219 |
! |
1220 |
||
1 | 1221 |
readConstant_Fieldref |
1222 |
|class_index name_and_type_index| |
|
1223 |
||
128 | 1224 |
class_index := inStream nextUnsignedShortMSB:msb. |
1225 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1226 |
|
61 | 1227 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
1228 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1229 |
|
91 | 1230 |
^ JavaUnresolvedFieldrefConstant |
252 | 1231 |
pool:constants |
1232 |
poolIndex:constSlot |
|
1233 |
classIndex:class_index |
|
1234 |
nameandTypeIndex:name_and_type_index |
|
1 | 1235 |
|
1236 |
" |
|
1237 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1238 |
" |
|
1239 |
||
1240 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
1241 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
1242 |
! |
|
1243 |
||
11 | 1244 |
readConstant_Float |
350 | 1245 |
|high aFloat bytes| |
1246 |
||
1247 |
"/ new code - to be tested ... |
|
352 | 1248 |
"/ |
1249 |
"/ bytes := ByteArray new:4. |
|
1250 |
"/ inStream nextBytes:4 into:bytes startingAt:1. |
|
1251 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1252 |
"/ bytes reverse |
|
1253 |
"/ ]. |
|
1254 |
"/ aFloat := bytes floatAt:1. |
|
1255 |
"/ Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
|
1256 |
"/ ^ aFloat. |
|
350 | 1257 |
|
1258 |
"/ old code |
|
128 | 1259 |
high := inStream nextUnsignedLongMSB:msb. |
11 | 1260 |
|
1261 |
aFloat := ShortFloat basicNew. |
|
1262 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
350 | 1263 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1264 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1265 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1266 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
11 | 1267 |
] ifFalse:[ |
350 | 1268 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
1269 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
|
1270 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
|
1271 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1272 |
]. |
1273 |
||
61 | 1274 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 1275 |
^ aFloat |
1276 |
||
1277 |
" |
|
1278 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1279 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1280 |
" |
|
1281 |
||
350 | 1282 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
352 | 1283 |
"Modified: / 12.5.1998 / 21:36:32 / cg" |
11 | 1284 |
! |
1285 |
||
1 | 1286 |
readConstant_Integer |
1287 |
|value| |
|
1288 |
||
128 | 1289 |
value := inStream nextLongMSB:msb. |
1 | 1290 |
|
61 | 1291 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 1292 |
|
1293 |
^ value |
|
1294 |
||
1295 |
" |
|
1296 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1297 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1298 |
" |
|
1299 |
||
1300 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1301 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1302 |
! |
|
1303 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1304 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1305 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1306 |
|
128 | 1307 |
class_index := inStream nextUnsignedShortMSB:msb. |
1308 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1309 |
|
61 | 1310 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1311 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1312 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1313 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 1314 |
pool:constants |
1315 |
poolIndex:constSlot |
|
1316 |
classIndex:class_index |
|
1317 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1318 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1319 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1320 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1321 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1322 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1323 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1324 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1325 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1326 |
|
11 | 1327 |
readConstant_Long |
1328 |
|high low value| |
|
1329 |
||
128 | 1330 |
high := inStream nextUnsignedLongMSB:msb. |
1331 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1332 |
|
1333 |
value := (high bitShift:32) bitOr:low. |
|
60 | 1334 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 1335 |
value := value - 16r10000000000000000. |
60 | 1336 |
]. |
11 | 1337 |
constNeeds2Slots := true. |
1338 |
||
61 | 1339 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 1340 |
^ value |
1341 |
||
1342 |
" |
|
1343 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1344 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1345 |
" |
|
1346 |
||
1347 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1348 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1349 |
! |
|
1350 |
||
1 | 1351 |
readConstant_Methodref |
1352 |
|class_index name_and_type_index| |
|
1353 |
||
128 | 1354 |
class_index := inStream nextUnsignedShortMSB:msb. |
1355 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1356 |
|
61 | 1357 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1358 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1359 |
|
1360 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1361 |
pool:constants |
1362 |
poolIndex:constSlot |
|
1363 |
classIndex:class_index |
|
1364 |
nameandTypeIndex:name_and_type_index |
|
1 | 1365 |
|
1366 |
" |
|
1367 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1368 |
" |
|
1369 |
||
1370 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1371 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1372 |
! |
|
1373 |
||
91 | 1374 |
readConstant_NameAndType |
1 | 1375 |
|name_index signature_index| |
1376 |
||
128 | 1377 |
name_index := inStream nextUnsignedShortMSB:msb. |
1378 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1379 |
|
61 | 1380 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1381 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1382 |
|
1383 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1384 |
pool:constants |
1385 |
poolIndex:constSlot |
|
1386 |
nameIndex:name_index |
|
1387 |
signatureIndex:signature_index |
|
1 | 1388 |
|
1389 |
" |
|
1390 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1391 |
" |
|
1392 |
||
1393 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1394 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1395 |
! |
|
1396 |
||
1397 |
readConstant_String |
|
344 | 1398 |
|tag string_index chars jString| |
1 | 1399 |
|
128 | 1400 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1401 |
|
61 | 1402 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1403 |
|
344 | 1404 |
"/ resolve here if possible |
1405 |
string_index < constSlot ifTrue:[ |
|
1406 |
Java java_lang_String notNil ifTrue:[ |
|
1407 |
chars := (constants at:string_index). |
|
1408 |
chars isString ifFalse:[ |
|
1409 |
self halt:'should not happen' |
|
1410 |
]. |
|
1411 |
jString := Java as_String:chars. |
|
1412 |
^ jString. |
|
1413 |
] |
|
1414 |
]. |
|
1415 |
||
91 | 1416 |
^ JavaUnresolvedStringConstant |
344 | 1417 |
pool:constants |
1418 |
poolIndex:constSlot |
|
1419 |
stringIndex:string_index |
|
1 | 1420 |
|
1421 |
" |
|
43 | 1422 |
Verbose := true. |
1423 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1424 |
" |
1425 |
||
344 | 1426 |
"Created: / 15.4.1996 / 15:20:33 / cg" |
1427 |
"Modified: / 7.5.1998 / 11:42:45 / cg" |
|
1428 |
! ! |
|
1429 |
||
1430 |
!JavaClassReader methodsFor:'file reading - constants-ST'! |
|
1431 |
||
1432 |
readConstant_ST_Array |
|
1433 |
|aSize arr| |
|
1434 |
||
1435 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1436 |
arr := Array new:aSize. |
|
1437 |
||
1438 |
1 to:aSize do:[:i | |
|
350 | 1439 |
|element_index element| |
344 | 1440 |
|
1441 |
element_index := inStream nextUnsignedShortMSB:msb. |
|
1442 |
arr at:i put:element_index. |
|
1443 |
]. |
|
1444 |
Verbose ifTrue:[Transcript show:'array; size= '; showCR:aSize]. |
|
1445 |
||
1446 |
^ JavaUnresolvedSTArrayConstant |
|
1447 |
pool:constants |
|
1448 |
poolIndex:constSlot |
|
1449 |
array:arr |
|
1450 |
||
1451 |
"Created: / 7.5.1998 / 11:47:01 / cg" |
|
350 | 1452 |
"Modified: / 9.5.1998 / 00:25:34 / cg" |
344 | 1453 |
! |
1454 |
||
1455 |
readConstant_ST_ByteArray |
|
1456 |
|aSize arr| |
|
1457 |
||
1458 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1459 |
arr := ByteArray new:aSize. |
|
1460 |
||
1461 |
1 to:aSize do:[:i | |
|
1462 |
|element_index| |
|
1463 |
||
1464 |
arr at:i put:(inStream nextByte). |
|
1465 |
]. |
|
1466 |
Verbose ifTrue:[Transcript show:'byteArray; size= '; showCR:aSize]. |
|
1467 |
||
1468 |
^ arr |
|
1469 |
||
1470 |
"Created: / 7.5.1998 / 11:47:12 / cg" |
|
1471 |
! |
|
1472 |
||
1473 |
readConstant_ST_Character |
|
1474 |
|ascii| |
|
1475 |
||
1476 |
ascii := inStream nextUnsignedShortMSB:msb. |
|
1477 |
||
1478 |
Verbose ifTrue:[Transcript show:'char; ascii= '; showCR:ascii]. |
|
1479 |
^ Character value:ascii |
|
1480 |
||
1481 |
"Created: / 7.5.1998 / 11:48:12 / cg" |
|
1482 |
! |
|
1483 |
||
350 | 1484 |
readConstant_ST_Special |
1485 |
|type| |
|
1486 |
||
1487 |
type := inStream nextUnsignedShortMSB:msb. |
|
1488 |
^ #( |
|
1489 |
nil |
|
1490 |
true |
|
1491 |
false |
|
1492 |
) at:(type + 1) |
|
1493 |
||
1494 |
"Created: / 8.5.1998 / 23:06:56 / cg" |
|
1495 |
"Modified: / 9.5.1998 / 00:40:14 / cg" |
|
1496 |
! |
|
1497 |
||
344 | 1498 |
readConstant_ST_String |
1499 |
|tag string_index chars| |
|
1500 |
||
1501 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1502 |
||
1503 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
|
1504 |
||
1505 |
"/ resolve here if possible |
|
1506 |
string_index < constSlot ifTrue:[ |
|
1507 |
chars := (constants at:string_index). |
|
1508 |
^ chars |
|
1509 |
]. |
|
1510 |
||
1511 |
^ JavaUnresolvedSTStringConstant |
|
1512 |
pool:constants |
|
1513 |
poolIndex:constSlot |
|
1514 |
stringIndex:string_index |
|
1515 |
||
1516 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
1517 |
"Created: / 7.5.1998 / 11:49:55 / cg" |
|
1518 |
! |
|
1519 |
||
1520 |
readConstant_ST_Symbol |
|
1521 |
|tag string_index chars| |
|
1522 |
||
1523 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1524 |
||
1525 |
Verbose ifTrue:[Transcript show:'symbol; index= '; showCR:string_index]. |
|
1526 |
||
1527 |
"/ resolve here if possible |
|
1528 |
string_index < constSlot ifTrue:[ |
|
1529 |
chars := (constants at:string_index). |
|
1530 |
chars isString ifFalse:[ |
|
1531 |
self halt:'should not happen' |
|
1532 |
]. |
|
1533 |
^ chars asSymbol |
|
1534 |
]. |
|
1535 |
||
1536 |
^ JavaUnresolvedSTSymbolConstant |
|
1537 |
pool:constants |
|
1538 |
poolIndex:constSlot |
|
1539 |
stringIndex:string_index |
|
1540 |
||
1541 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
5 | 1542 |
! ! |
1543 |
||
1544 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1545 |
||
1546 |
readConstantValueAttributeFor:aField |
|
1547 |
|attribute_length constantvalue_index constantValue| |
|
1548 |
||
128 | 1549 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1550 |
|
128 | 1551 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1552 |
constantValue := constants at:constantvalue_index. |
1553 |
||
59 | 1554 |
aField constantValue:constantValue. |
1555 |
||
61 | 1556 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1557 |
^ true |
1558 |
||
1559 |
" |
|
1560 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1561 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1562 |
" |
|
1563 |
||
1564 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1565 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1566 |
! |
1567 |
||
1568 |
readFieldInfofield |
|
5 | 1569 |
|access_flags name_index signature_index attributes_count field| |
1 | 1570 |
|
128 | 1571 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1572 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1573 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1574 |
|
1575 |
field := JavaField new. |
|
1576 |
field setAccessFlags:access_flags. |
|
1577 |
field setName:(constants at:name_index). |
|
1578 |
field setSignature:(constants at:signature_index). |
|
1579 |
||
128 | 1580 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1581 |
|
99 | 1582 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
252 | 1583 |
show:' access: '; show:access_flags; |
1584 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1585 |
|
1 | 1586 |
1 to:attributes_count do:[:i | |
252 | 1587 |
self readAttributeFor:field. |
1 | 1588 |
]. |
1589 |
||
27 | 1590 |
^ field |
1591 |
||
1 | 1592 |
" |
1593 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1594 |
" |
|
1595 |
||
1596 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1597 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
1598 |
! |
|
1599 |
||
1600 |
readFieldInfofields |
|
38 | 1601 |
|nFields fields| |
1 | 1602 |
|
1603 |
"/ |
|
38 | 1604 |
"/ get fieldInfos |
1 | 1605 |
"/ |
128 | 1606 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1607 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1608 |
|
27 | 1609 |
fields := Array new:nFields. |
1610 |
||
1611 |
1 to:nFields do:[:i | |
|
252 | 1612 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1613 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1614 |
]. |
38 | 1615 |
^ fields |
1 | 1616 |
|
1617 |
" |
|
1618 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1619 |
" |
|
1620 |
||
1621 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1622 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1623 |
! ! |
1624 |
||
38 | 1625 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1626 |
||
1627 |
readInterfaces |
|
110 | 1628 |
|interfacesCount interface_index interface interfaces| |
38 | 1629 |
|
1630 |
"/ |
|
1631 |
"/ get interfaces |
|
1632 |
"/ |
|
128 | 1633 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1634 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1635 |
|
1636 |
interfaces := Array new:interfacesCount. |
|
1637 |
||
1638 |
1 to:interfacesCount do:[:i | |
|
252 | 1639 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1640 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1641 |
interface := constants at:interface_index. |
|
38 | 1642 |
|
252 | 1643 |
interfaces at:i put:interface. |
38 | 1644 |
]. |
1645 |
^ interfaces |
|
1646 |
||
1647 |
" |
|
1648 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1649 |
" |
|
1650 |
||
1651 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1652 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1653 |
! ! |
|
1654 |
||
5 | 1655 |
!JavaClassReader methodsFor:'file reading - methods'! |
1656 |
||
1657 |
readCodeAttributeFor:aJavaMethod |
|
1658 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1659 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1660 |
|
128 | 1661 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1662 |
|
9 | 1663 |
|
61 | 1664 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1665 |
|
99 | 1666 |
minorVsn > 2 ifTrue:[ |
348 | 1667 |
"/ should be: |
1668 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
1669 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1670 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
1671 |
||
1672 |
"/ unknown1 := inStream nextByte. |
|
1673 |
"/ max_stack := inStream nextByte. |
|
1674 |
"/ max_locals := inStream nextUnsignedShortMSB:msb. |
|
1675 |
"/ unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1676 |
"/ code_length := inStream nextUnsignedShortMSB:msb. |
|
1677 |
"/ Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1678 |
"/ Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1679 |
] ifFalse:[ |
348 | 1680 |
max_stack := inStream nextByte. |
1681 |
max_locals := inStream nextByte. |
|
1682 |
code_length := inStream nextUnsignedShortMSB:msb. |
|
9 | 1683 |
]. |
1684 |
||
61 | 1685 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
1686 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
38 | 1687 |
|
5 | 1688 |
code := ByteArray new:code_length. |
1689 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 1690 |
|
61 | 1691 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
9 | 1692 |
|
128 | 1693 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1694 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1695 |
exception_table_length ~~ 0 ifTrue:[ |
348 | 1696 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1697 |
|
348 | 1698 |
exception_table := Array new:exception_table_length. |
1699 |
1 to:exception_table_length do:[:i | |
|
1700 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1701 |
|
348 | 1702 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1703 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1704 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1705 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1706 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1707 |
startPC:start_pc |
|
1708 |
endPC:end_pc |
|
1709 |
handlerPC:handler_pc |
|
1710 |
catchType:catch_type). |
|
1711 |
]. |
|
1712 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1713 |
]. |
1714 |
||
29 | 1715 |
aJavaMethod |
348 | 1716 |
setCode:code |
1717 |
maxStack:max_stack |
|
1718 |
maxLocals:max_locals |
|
1719 |
u1:unknown1 |
|
1720 |
u2:unknown2. |
|
5 | 1721 |
|
1722 |
self readAttributesFor:aJavaMethod. |
|
1723 |
^ true |
|
1724 |
||
1 | 1725 |
" |
1726 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1727 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1728 |
" |
1729 |
||
348 | 1730 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
1731 |
"Modified: / 8.5.1998 / 21:17:47 / cg" |
|
5 | 1732 |
! |
1733 |
||
83 | 1734 |
readExceptionsAttributeFor:aJavaMethod |
1735 |
|attribute_length exception_table_length exception_table| |
|
1736 |
||
128 | 1737 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1738 |
|
128 | 1739 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1740 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1741 |
exception_table := Array new:exception_table_length. |
1742 |
1 to:exception_table_length do:[:i | |
|
1743 |
|idx ex| |
|
83 | 1744 |
|
252 | 1745 |
idx := inStream nextUnsignedShortMSB:msb. |
1746 |
ex := constants at:idx. |
|
1747 |
exception_table at:i put:ex. |
|
1748 |
]. |
|
83 | 1749 |
]. |
1750 |
||
1751 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1752 |
||
1753 |
aJavaMethod setExceptionTable:exception_table. |
|
1754 |
^ true |
|
1755 |
||
1756 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1757 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1758 |
! |
|
1759 |
||
5 | 1760 |
readLineNumberTableAttributeFor:aJavaMethod |
1761 |
|attribute_length line_number_table_length line_number_table| |
|
1762 |
||
128 | 1763 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1764 |
|
128 | 1765 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1766 |
line_number_table_length ~~ 0 ifTrue:[ |
330 | 1767 |
line_number_table := Array new:line_number_table_length. |
1768 |
1 to:line_number_table_length do:[:i | |
|
1769 |
|start_pc line_number| |
|
5 | 1770 |
|
330 | 1771 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1772 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1773 |
line_number_table at:i put:(start_pc -> line_number). |
|
1774 |
]. |
|
1775 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
|
1776 |
||
1777 |
aJavaMethod setLineNumberTable:line_number_table. |
|
5 | 1778 |
]. |
1779 |
||
1780 |
^ true |
|
1781 |
||
1782 |
" |
|
1783 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1784 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1785 |
" |
|
1786 |
||
330 | 1787 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
1788 |
"Modified: / 7.4.1998 / 19:08:42 / cg" |
|
1 | 1789 |
! |
1790 |
||
50 | 1791 |
readLocalVariableTableAttributeFor:aJavaMethod |
1792 |
|attribute_length local_variable_table_length local_variable_table| |
|
1793 |
||
128 | 1794 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1795 |
|
128 | 1796 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1797 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1798 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1799 |
1 to:local_variable_table_length do:[:i | |
|
1800 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1801 |
|
252 | 1802 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1803 |
length := inStream nextUnsignedShortMSB:msb. |
|
1804 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1805 |
name := constants at:name_index. |
|
1806 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1807 |
signature := constants at:sig_index. |
|
1808 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1809 |
|
252 | 1810 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1811 |
startPC:start_pc |
|
1812 |
length:length |
|
1813 |
name:name |
|
1814 |
signature:signature |
|
1815 |
slot:slot) |
|
1816 |
]. |
|
50 | 1817 |
]. |
1818 |
||
61 | 1819 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1820 |
|
1821 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1822 |
^ true |
|
1823 |
||
1824 |
" |
|
1825 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1826 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1827 |
" |
|
1828 |
||
1829 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1830 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1831 |
! |
|
1832 |
||
38 | 1833 |
readMethodFor:aJavaClass |
273 | 1834 |
|m access_flags name_index name signature_index signature |
1835 |
tooManyArgs| |
|
1 | 1836 |
|
1837 |
"/ |
|
1838 |
"/ get a method |
|
1839 |
"/ |
|
128 | 1840 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1841 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1842 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1843 |
|
5 | 1844 |
name := constants at:name_index. |
1845 |
signature := constants at:signature_index. |
|
9 | 1846 |
|
61 | 1847 |
Verbose ifTrue:[Transcript show:'method name:'; showCR:name. |
273 | 1848 |
Transcript show:'signature:'; showCR:signature.]. |
9 | 1849 |
|
5 | 1850 |
m := JavaMethod new. |
1851 |
m setAccessFlags:access_flags. |
|
273 | 1852 |
tooManyArgs := false. |
1853 |
Method argumentSignal handle:[:ex | |
|
1854 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1855 |
tooManyArgs := true. |
|
1856 |
ex proceed. |
|
1857 |
] do:[ |
|
1858 |
m setName:name signature:signature. |
|
1859 |
]. |
|
38 | 1860 |
m setJavaClass:aJavaClass. |
5 | 1861 |
|
1862 |
self readAttributesFor:m. |
|
1863 |
||
273 | 1864 |
tooManyArgs ifTrue:[ |
1865 |
m code:nil. |
|
1866 |
m byteCode:nil. |
|
1867 |
]. |
|
38 | 1868 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1869 |
|
1870 |
" |
|
1871 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1872 |
" |
|
1873 |
||
273 | 1874 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
1875 |
"Modified: / 27.1.1998 / 17:46:53 / cg" |
|
1 | 1876 |
! |
1877 |
||
38 | 1878 |
readMethodsFor:aJavaClass |
1 | 1879 |
|methodsCount method| |
1880 |
||
1881 |
"/ |
|
1882 |
"/ get methods |
|
1883 |
"/ |
|
128 | 1884 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 1885 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1886 |
|
1887 |
1 to:methodsCount do:[:i | |
|
348 | 1888 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
1889 |
method := self readMethodFor:aJavaClass |
|
1 | 1890 |
]. |
1891 |
||
1892 |
" |
|
1893 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1894 |
" |
|
1895 |
||
348 | 1896 |
"Created: / 15.4.1996 / 16:46:30 / cg" |
1897 |
"Modified: / 8.5.1998 / 21:20:59 / cg" |
|
1 | 1898 |
! ! |
1899 |
||
344 | 1900 |
!JavaClassReader methodsFor:'file reading - methods-ST'! |
1901 |
||
348 | 1902 |
readSTCodeAttributeFor:aSmalltalkMethod |
1903 |
|attribute_length max_stack max_locals code_length code |
|
1904 |
exception_table_length unknown1 unknown2| |
|
1905 |
||
1906 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1907 |
||
1908 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
|
1909 |
||
1910 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
1911 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1912 |
||
1913 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
1914 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
|
1915 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
1916 |
||
1917 |
code := ByteArray new:code_length. |
|
1918 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1919 |
||
1920 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
|
1921 |
||
1922 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
|
1923 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
|
1924 |
exception_table_length ~~ 0 ifTrue:[ |
|
1925 |
self error:'unexpected exceptionTable length'. |
|
1926 |
"/ skip it. |
|
1927 |
1 to:exception_table_length do:[:i | |
|
1928 |
"start_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1929 |
"end_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1930 |
"handler_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1931 |
"catch_type :=" inStream nextUnsignedShortMSB:msb. |
|
1932 |
]. |
|
1933 |
]. |
|
1934 |
||
1935 |
aSmalltalkMethod |
|
1936 |
setCode:code |
|
1937 |
maxStack:max_stack |
|
1938 |
numLocals:max_locals. |
|
1939 |
||
1940 |
self readAttributesFor:aSmalltalkMethod. |
|
1941 |
^ true |
|
1942 |
||
1943 |
"Modified: / 8.5.1998 / 21:19:40 / cg" |
|
1944 |
! |
|
1945 |
||
344 | 1946 |
readSTLiteralsAttributeFor:aSmalltalkMethod |
348 | 1947 |
|attribute_length literal_table_length literal_table litIndex literal| |
1948 |
||
1949 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1950 |
||
1951 |
literal_table_length := inStream nextUnsignedShortMSB:msb. |
|
1952 |
literal_table_length ~~ 0 ifTrue:[ |
|
1953 |
literal_table := Array new:literal_table_length. |
|
1954 |
1 to:literal_table_length do:[:i | |
|
1955 |
litIndex := inStream nextUnsignedShortMSB:msb. |
|
1956 |
literal := (constants at:litIndex). |
|
1957 |
literal_table at:i put:literal. |
|
1958 |
]. |
|
1959 |
]. |
|
344 | 1960 |
|
1961 |
"Created: / 7.5.1998 / 11:52:28 / cg" |
|
348 | 1962 |
"Modified: / 8.5.1998 / 20:39:59 / cg" |
344 | 1963 |
! ! |
1964 |
||
135 | 1965 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 1966 |
|
1967 |
version |
|
353 | 1968 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.65 1998/05/12 20:25:02 cg Exp $' |
1 | 1969 |
! ! |
1970 |
JavaClassReader initialize! |