author | cg |
Mon, 16 Nov 1998 15:17:54 +0000 | |
changeset 454 | 38f590639d65 |
parent 443 | f5c1f55d8bdb |
child 468 | 4d4f1cb9786b |
permissions | -rw-r--r-- |
454 | 1 |
" |
2 |
COPYRIGHT (c) 1997 by eXept Software AG |
|
3 |
All Rights Reserved |
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4 |
||
5 |
This software is furnished under a license and may be used |
|
6 |
only in accordance with the terms of that license and with the |
|
7 |
inclusion of the above copyright notice. This software may not |
|
8 |
be provided or otherwise made available to, or used by, any |
|
9 |
other person. No title to or ownership of the software is |
|
10 |
hereby transferred. |
|
11 |
" |
|
12 |
||
13 |
||
14 |
||
1 | 15 |
Object subclass:#JavaClassReader |
91 | 16 |
instanceVariableNames:'inStream msb constants majorVsn minorVsn constNeeds2Slots |
38 | 17 |
constSlot' |
198 | 18 |
classVariableNames:'Verbose Silent AbsolutelySilent LazyClassLoading |
275 | 19 |
InvalidClassFormatSignal ClassLoaderQuerySignal' |
1 | 20 |
poolDictionaries:'' |
21 |
category:'Java-Support' |
|
22 |
! |
|
23 |
||
454 | 24 |
!JavaClassReader class methodsFor:'documentation'! |
25 |
||
26 |
copyright |
|
27 |
" |
|
28 |
COPYRIGHT (c) 1997 by eXept Software AG |
|
29 |
All Rights Reserved |
|
30 |
||
31 |
This software is furnished under a license and may be used |
|
32 |
only in accordance with the terms of that license and with the |
|
33 |
inclusion of the above copyright notice. This software may not |
|
34 |
be provided or otherwise made available to, or used by, any |
|
35 |
other person. No title to or ownership of the software is |
|
36 |
hereby transferred. |
|
37 |
" |
|
38 |
||
39 |
||
40 |
! ! |
|
1 | 41 |
|
135 | 42 |
!JavaClassReader class methodsFor:'initialization'! |
1 | 43 |
|
44 |
initialize |
|
198 | 45 |
InvalidClassFormatSignal := Signal new mayProceed:true. |
46 |
InvalidClassFormatSignal notifierString:'class load failure'. |
|
47 |
InvalidClassFormatSignal nameClass:self message:#invalidClassFormatSignal. |
|
48 |
||
91 | 49 |
Verbose := false. |
50 |
Silent := true. |
|
51 |
AbsolutelySilent := false. |
|
52 |
||
53 |
LazyClassLoading := false. "/ true. |
|
223 | 54 |
ClassLoaderQuerySignal := QuerySignal new |
29 | 55 |
|
56 |
" |
|
57 |
JavaClassReader initialize |
|
58 |
" |
|
59 |
||
275 | 60 |
"Modified: / 27.1.1998 / 17:54:23 / cg" |
198 | 61 |
! ! |
62 |
||
63 |
!JavaClassReader class methodsFor:'Signal constants'! |
|
64 |
||
223 | 65 |
classLoaderQuerySignal |
66 |
^ ClassLoaderQuerySignal |
|
67 |
||
68 |
"Created: 14.8.1997 / 19:56:03 / cg" |
|
69 |
! |
|
70 |
||
198 | 71 |
invalidClassFormatSignal |
72 |
^ InvalidClassFormatSignal |
|
73 |
||
74 |
"Created: 3.8.1997 / 18:17:21 / cg" |
|
1 | 75 |
! ! |
76 |
||
344 | 77 |
!JavaClassReader class methodsFor:'constants'! |
78 |
||
79 |
fileMajorVersion |
|
80 |
^ 45 |
|
81 |
||
82 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
83 |
"Created: / 7.5.1998 / 13:16:35 / cg" |
|
84 |
! |
|
85 |
||
86 |
fileMinorVersion |
|
87 |
^ 3 |
|
88 |
||
89 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
90 |
"Created: / 7.5.1998 / 13:16:40 / cg" |
|
91 |
! |
|
92 |
||
93 |
magic_LSB |
|
94 |
^ 16rBEBAFECA |
|
95 |
||
96 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
97 |
"Created: / 7.5.1998 / 13:15:05 / cg" |
|
98 |
! |
|
99 |
||
100 |
magic_MSB |
|
101 |
^ 16rCAFEBABE |
|
102 |
||
103 |
"Modified: / 7.5.1998 / 13:14:27 / cg" |
|
104 |
! ! |
|
105 |
||
135 | 106 |
!JavaClassReader class methodsFor:'debugging'! |
1 | 107 |
|
108 |
verbose:aBoolean |
|
109 |
Verbose := aBoolean |
|
110 |
||
111 |
" |
|
67 | 112 |
Java flushClasses. |
1 | 113 |
JavaClassReader verbose:true |
114 |
JavaClassReader verbose:false |
|
115 |
" |
|
116 |
! ! |
|
117 |
||
135 | 118 |
!JavaClassReader class methodsFor:'file reading'! |
1 | 119 |
|
21 | 120 |
loadClass:aClassName |
43 | 121 |
"reads a class, installs and returns it. |
122 |
The classes string constants are resolved & <clinit> is called, |
|
123 |
if it implements it." |
|
21 | 124 |
|
223 | 125 |
|rslt loader| |
21 | 126 |
|
223 | 127 |
loader := ClassLoaderQuerySignal raise. |
128 |
loader isNil ifTrue:[ |
|
399 | 129 |
^ self loadSystemClass:aClassName |
223 | 130 |
]. |
131 |
||
132 |
^ loader loadClass:aClassName |
|
21 | 133 |
|
134 |
" |
|
135 |
JavaClassReader loadClass:'awt/Component' |
|
136 |
JavaClassReader loadClass:'awt/Button' |
|
137 |
JavaClassReader loadClass:'browser/AddButton' |
|
138 |
||
139 |
JavaClassReader loadClass:'java/lang/Object' |
|
140 |
JavaClassReader loadClass:'java/lang/AbstractMethodError' |
|
141 |
JavaClassReader loadClass:'java/lang/Thread' |
|
142 |
" |
|
143 |
||
252 | 144 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
399 | 145 |
"Modified: / 20.10.1998 / 17:24:54 / cg" |
21 | 146 |
! |
147 |
||
54 | 148 |
loadClassLazy:aClassName ignoring:classesBeingLoaded |
38 | 149 |
"private helper: |
150 |
reads a class, installs and returns it. |
|
151 |
The class is searched along the ClassPath. |
|
43 | 152 |
|
153 |
This is a partial load (to load other classes): |
|
154 |
- The classes stringConstants are not fixed to be JavaStrings |
|
155 |
(i.e they are still ST-Strings). |
|
252 | 156 |
- The class is NOT initialized." |
38 | 157 |
|
91 | 158 |
|rslt clsName cls loadedClass| |
50 | 159 |
|
52 | 160 |
(aClassName endsWith:';') ifTrue:[ |
278 | 161 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
162 |
self halt:'should not happen'. |
|
163 |
^ nil |
|
91 | 164 |
]. |
165 |
(aClassName endsWith:'[]') ifTrue:[ |
|
278 | 166 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
167 |
self halt:'should not happen'. |
|
168 |
^ nil |
|
52 | 169 |
]. |
170 |
||
50 | 171 |
clsName := aClassName. |
172 |
(clsName includes:$.) ifTrue:[ |
|
360 | 173 |
clsName := clsName asString copyReplaceAll:$. with:$/ |
50 | 174 |
]. |
38 | 175 |
|
91 | 176 |
(classesBeingLoaded notNil and:[classesBeingLoaded includes:clsName]) ifTrue:[ |
278 | 177 |
('oops - recursive load of ' , clsName , ' attempted') printNL. |
178 |
self halt:'should not happen'. |
|
179 |
^ JavaUnresolvedClassConstant fullName:clsName |
|
54 | 180 |
]. |
181 |
||
91 | 182 |
(cls := Java at:clsName) notNil ifTrue:[ |
278 | 183 |
('oops - ' , clsName , ' is already loaded') printNL. |
184 |
self halt:clsName , ' is already loaded - should not happen'. |
|
185 |
^ cls |
|
91 | 186 |
]. |
187 |
||
188 |
classesBeingLoaded isNil ifTrue:[ |
|
278 | 189 |
loadedClass := Set with:clsName |
91 | 190 |
] ifFalse:[ |
278 | 191 |
loadedClass := Set withAll:classesBeingLoaded. |
192 |
loadedClass add:clsName. |
|
91 | 193 |
]. |
54 | 194 |
|
135 | 195 |
Java classPath do:[:path | |
365 | 196 |
|nm p zar entry zipFile| |
91 | 197 |
|
278 | 198 |
p := path. |
327 | 199 |
p asFilename isDirectory ifTrue:[ |
200 |
(p endsWith:Filename separator) ifFalse:[ |
|
201 |
p := p , (Filename separator asString) |
|
202 |
]. |
|
203 |
(Array |
|
204 |
with:clsName |
|
205 |
with:clsName asLowercase |
|
206 |
with:clsName asUppercase) |
|
207 |
do:[:tryName | |
|
208 |
(nm := p , tryName , '.class') asFilename exists ifTrue:[ |
|
209 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
210 |
rslt := self loadFileLazy:nm ignoring:loadedClass. |
|
211 |
rslt notNil ifTrue:[^ rslt]. |
|
212 |
] |
|
213 |
]. |
|
214 |
] |
|
215 |
] ifFalse:[ |
|
370 | 216 |
((zipFile := p asFilename withSuffix:'jar') exists |
217 |
or:[(zipFile := p asFilename withSuffix:'zip') exists]) ifTrue:[ |
|
365 | 218 |
zar := ZipArchive oldFileNamed:zipFile. |
327 | 219 |
(Array |
220 |
with:clsName |
|
221 |
with:clsName asLowercase |
|
222 |
with:clsName asUppercase) |
|
223 |
do:[:tryName | |
|
224 |
nm := tryName , '.class'. |
|
225 |
entry := zar extract:nm. |
|
226 |
entry notNil ifTrue:[ |
|
227 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
228 |
rslt := self loadStreamLazy:(entry readStream) ignoring:loadedClass. |
|
229 |
rslt notNil ifTrue:[^ rslt]. |
|
230 |
] |
|
231 |
] |
|
278 | 232 |
] |
327 | 233 |
] |
278 | 234 |
] |
38 | 235 |
]. |
236 |
||
318 | 237 |
('JAVA [info]: no file found for: ' , clsName) infoPrintCR. |
91 | 238 |
^ nil |
135 | 239 |
|
252 | 240 |
"Modified: / 14.8.1997 / 11:38:42 / stefan" |
370 | 241 |
"Modified: / 17.9.1998 / 20:51:25 / cg" |
38 | 242 |
! |
243 |
||
7 | 244 |
loadFile:aFilename |
43 | 245 |
"reads a class from aFilename, installs and returns it. |
246 |
The classes strings are fixed and its class-init function is called." |
|
247 |
||
54 | 248 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 249 |
self postLoadActions |
250 |
! |
|
251 |
||
54 | 252 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 253 |
"reads a class from aFilename, installs and returns it. |
91 | 254 |
Strings are fixed and classrefs are fixed, |
255 |
but NO no class-init functions are called." |
|
7 | 256 |
|
353 | 257 |
|aClass pool| |
7 | 258 |
|
353 | 259 |
aClass := self readFile:aFilename ignoring:classesBeingLoaded. |
260 |
aClass notNil ifTrue:[ |
|
261 |
aClass isJavaClass ifTrue:[ |
|
350 | 262 |
"/ a java class |
353 | 263 |
Java at:(aClass fullName asSymbol) put:aClass. |
350 | 264 |
|
353 | 265 |
classesBeingLoaded remove:aClass fullName ifAbsent:nil. |
21 | 266 |
|
353 | 267 |
JavaUnresolvedConstant resolveFor:aClass. |
350 | 268 |
] ifFalse:[ |
269 |
"/ a smalltalk class |
|
353 | 270 |
"/ self halt. |
271 |
aClass inspect. |
|
350 | 272 |
] |
7 | 273 |
]. |
353 | 274 |
^ aClass |
7 | 275 |
|
276 |
" |
|
277 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 278 |
|
279 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
350 | 280 |
directoryContents do:[:nm | |
281 |
(nm endsWith:'.class') ifTrue:[ |
|
282 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
283 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
284 |
] |
|
285 |
]. |
|
9 | 286 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
287 |
'/phys/ibm3/java/lib/java/io' asFilename |
350 | 288 |
directoryContents do:[:nm | |
289 |
(nm endsWith:'.class') ifTrue:[ |
|
290 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
291 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
|
292 |
] |
|
293 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
294 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
295 |
'/phys/ibm3/java/lib/java/net' asFilename |
350 | 296 |
directoryContents do:[:nm | |
297 |
(nm endsWith:'.class') ifTrue:[ |
|
298 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
299 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
|
300 |
] |
|
301 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
302 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
303 |
'/phys/ibm3/java/lib/java/util' asFilename |
350 | 304 |
directoryContents do:[:nm | |
305 |
(nm endsWith:'.class') ifTrue:[ |
|
306 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
307 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
|
308 |
] |
|
309 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
310 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
311 |
'/phys/ibm3/java/lib/java/awt' asFilename |
350 | 312 |
directoryContents do:[:nm | |
313 |
(nm endsWith:'.class') ifTrue:[ |
|
314 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
315 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
316 |
] |
|
317 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
318 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
319 |
'/phys/ibm3/java/lib/java/applet' asFilename |
350 | 320 |
directoryContents do:[:nm | |
321 |
(nm endsWith:'.class') ifTrue:[ |
|
322 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
323 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
324 |
] |
|
325 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
326 |
|
9 | 327 |
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
|
328 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 329 |
" |
330 |
||
350 | 331 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
353 | 332 |
"Modified: / 12.5.1998 / 22:06:52 / cg" |
7 | 333 |
! |
334 |
||
327 | 335 |
loadStreamLazy:aStream ignoring:classesBeingLoaded |
336 |
"reads a class from aStream, installs and returns it. |
|
337 |
Strings are fixed and classrefs are fixed, |
|
338 |
but NO no class-init functions are called." |
|
339 |
||
340 |
|javaClass pool| |
|
341 |
||
342 |
javaClass := self readStream:aStream ignoring:classesBeingLoaded. |
|
343 |
javaClass notNil ifTrue:[ |
|
344 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
|
345 |
||
346 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
347 |
||
348 |
JavaUnresolvedConstant resolveFor:javaClass. |
|
349 |
]. |
|
350 |
^ javaClass |
|
351 |
||
352 |
"Created: / 30.3.1998 / 17:59:02 / cg" |
|
353 |
! |
|
354 |
||
399 | 355 |
loadSystemClass:aClassName |
356 |
"reads a class, installs and returns it. |
|
357 |
The classes string constants are resolved & <clinit> is called, |
|
358 |
if it implements it. |
|
359 |
This only loads local classes (i.e. any Java classReader is not used)" |
|
360 |
||
361 |
|rslt| |
|
362 |
||
363 |
rslt := self loadClassLazy:aClassName ignoring:(Set new). |
|
364 |
rslt notNil ifTrue:[self postLoadActions]. |
|
365 |
||
366 |
^ rslt |
|
367 |
||
368 |
" |
|
369 |
JavaClassReader loadSystemClass:'awt/Component' |
|
370 |
JavaClassReader loadSystemClass:'awt/Button' |
|
371 |
JavaClassReader loadSystemClass:'browser/AddButton' |
|
372 |
||
373 |
JavaClassReader loadSystemClass:'java/lang/Object' |
|
374 |
JavaClassReader loadSystemClass:'java/lang/AbstractMethodError' |
|
375 |
JavaClassReader loadSystemClass:'java/lang/Thread' |
|
376 |
" |
|
377 |
||
378 |
"Modified: / 3.1.1998 / 22:36:13 / cg" |
|
379 |
"Created: / 20.10.1998 / 17:24:40 / cg" |
|
380 |
! |
|
381 |
||
43 | 382 |
postLoadActions |
383 |
"Resolve all classes' string constants. |
|
384 |
Perform all class initialization functions (of those which are not |
|
385 |
yet initialized)." |
|
386 |
||
225 | 387 |
^ self postLoadActions:true |
388 |
||
389 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
390 |
! |
|
391 |
||
392 |
postLoadActions:loadUnresolved |
|
393 |
"Resolve all classes' string constants. |
|
252 | 394 |
Perform all class initialization functions |
395 |
(of those which are not yet initialized)." |
|
225 | 396 |
|
223 | 397 |
|classes prevUnresolved newUnresolved loader| |
43 | 398 |
|
91 | 399 |
"/ need at least java.lang.String, for valid constants |
167 | 400 |
Java java_lang_String isNil ifTrue:[ |
255 | 401 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 402 |
]. |
403 |
||
91 | 404 |
LazyClassLoading ifFalse:[ |
255 | 405 |
loader := ClassLoaderQuerySignal raise. |
406 |
||
407 |
prevUnresolved := nil. |
|
408 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
409 |
loadUnresolved ifTrue:[ |
|
410 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
411 |
newUnresolved do:[:nextUnresolved | |
|
412 |
|classURL| |
|
223 | 413 |
|
255 | 414 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
415 |
Silent ifFalse:[ |
|
416 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
417 |
]. |
|
418 |
loader isNil ifTrue:[ |
|
419 |
self |
|
420 |
loadClassLazy:nextUnresolved |
|
421 |
ignoring:(Set new). |
|
422 |
] ifFalse:[ |
|
423 |
"/ |
|
424 |
"/ the aquired loader is a javaClassLoader |
|
425 |
"/ which expects an URL as arg. |
|
426 |
"/ |
|
427 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
428 |
"/ loader loadClass:classURL |
|
429 |
loader |
|
430 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
431 |
with:(Java as_String:(nextUnresolved asString)). |
|
432 |
] |
|
433 |
] |
|
434 |
]. |
|
435 |
prevUnresolved := newUnresolved. |
|
436 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
437 |
]. |
|
438 |
]. |
|
407 | 439 |
false ifTrue:[ |
255 | 440 |
newUnresolved size == 0 ifTrue:[ |
441 |
"/ nothing unresolved |
|
91 | 442 |
|
255 | 443 |
(classes := Java allClasses) notNil ifTrue:[ |
444 |
"/ init all new classes |
|
445 |
"/ fetch again - there could be new ones ... |
|
91 | 446 |
|
255 | 447 |
classes := Java allClasses. |
448 |
classes do:[:aJavaClass | |
|
449 |
aJavaClass isInitialized ifFalse:[ |
|
450 |
Silent ifFalse:[ |
|
451 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
452 |
]. |
|
453 |
aJavaClass classInit |
|
454 |
] |
|
455 |
] |
|
456 |
] |
|
457 |
]. |
|
407 | 458 |
]. |
43 | 459 |
] |
167 | 460 |
|
252 | 461 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
407 | 462 |
"Modified: / 21.10.1998 / 01:18:35 / cg" |
43 | 463 |
! |
464 |
||
54 | 465 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 466 |
"reads a class from aFilename and returns it. |
91 | 467 |
The JavaClass is NOT installed as global and unresolved |
468 |
refs are NOT patched." |
|
7 | 469 |
|
73 | 470 |
|inStream javaClass| |
1 | 471 |
|
43 | 472 |
Silent ifFalse:[ |
318 | 473 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 474 |
]. |
21 | 475 |
|
1 | 476 |
inStream := aFilename asFilename readStream. |
91 | 477 |
inStream isNil ifTrue:[ |
318 | 478 |
('JAVA [info]: no file: ' , aFilename) printCR. |
479 |
self halt. |
|
480 |
^ nil |
|
91 | 481 |
]. |
482 |
||
483 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
350 | 484 |
(javaClass notNil and:[javaClass isJavaClass]) ifTrue:[ |
318 | 485 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 486 |
]. |
1 | 487 |
inStream close. |
27 | 488 |
|
91 | 489 |
AbsolutelySilent ifFalse:[ |
318 | 490 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 491 |
]. |
27 | 492 |
|
73 | 493 |
^ javaClass |
1 | 494 |
|
318 | 495 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
350 | 496 |
"Modified: / 9.5.1998 / 01:44:24 / cg" |
1 | 497 |
! |
498 |
||
198 | 499 |
readStream:aStream |
500 |
"reads a class from aStream and returns it. |
|
223 | 501 |
The JavaClass is installed as global. |
502 |
If new classes are required to be loaded, a new standard loader |
|
503 |
is created." |
|
198 | 504 |
|
223 | 505 |
^ self readStream:aStream loader:nil |
198 | 506 |
|
223 | 507 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 508 |
! |
509 |
||
54 | 510 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 511 |
"reads a class from aStream and returns it. |
512 |
The JavaClass is not installed as global" |
|
513 |
||
327 | 514 |
|javaClass| |
515 |
||
516 |
javaClass := self new readStream:aStream ignoring:classesBeingLoaded. |
|
1 | 517 |
|
327 | 518 |
AbsolutelySilent ifFalse:[ |
519 |
' ... loaded ' print. javaClass displayString printNL. |
|
520 |
]. |
|
1 | 521 |
|
327 | 522 |
^ javaClass |
523 |
||
524 |
"Modified: / 30.3.1998 / 18:14:40 / cg" |
|
223 | 525 |
! |
526 |
||
527 |
readStream:aStream loader:aClassLoader |
|
528 |
"reads a class from aStream and returns it. |
|
529 |
The JavaClass is installed as global. |
|
530 |
If new classes are required to be loaded, aClassLoader is |
|
531 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
532 |
is created." |
|
533 |
||
225 | 534 |
^ self |
252 | 535 |
readStream:aStream |
536 |
loader:aClassLoader |
|
537 |
loadUnresolved:true |
|
225 | 538 |
|
539 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
540 |
! |
|
541 |
||
542 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
543 |
"reads a class from aStream and returns it. |
|
544 |
The JavaClass is installed as global. |
|
545 |
If new classes are required to be loaded, aClassLoader is |
|
546 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
547 |
is created." |
|
548 |
||
223 | 549 |
|javaClass| |
550 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
551 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
552 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
553 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
554 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
555 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
556 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
557 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
558 |
]. |
223 | 559 |
]. |
560 |
^ javaClass |
|
561 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
562 |
"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
|
563 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
399 | 564 |
! |
565 |
||
566 |
resolveClass:aJavaClass |
|
567 |
"Resolve a particular classes' constants. |
|
568 |
Perform all class initialization functions |
|
569 |
(of those which are not yet initialized)." |
|
570 |
||
571 |
|loader classToLoad| |
|
572 |
||
573 |
LazyClassLoading ifFalse:[ |
|
574 |
loader := (aJavaClass classLoader). "/ ? (ClassLoaderQuerySignal raise). |
|
575 |
||
576 |
[ |
|
577 |
classToLoad := nil. |
|
578 |
aJavaClass constantPool do:[:item | |
|
579 |
|itemClass | |
|
580 |
||
581 |
itemClass := item class. |
|
582 |
itemClass == JavaUnresolvedClassConstant ifTrue:[ |
|
583 |
classToLoad := item className. |
|
584 |
"/ ] ifFalse:[ |
|
585 |
"/ itemClass == JavaUnresolvedMethodrefConstant ifTrue:[ |
|
586 |
"/self halt. |
|
587 |
"/ ] ifFalse:[ |
|
588 |
"/ itemClass == JavaUnresolvedInterfaceMethodrefConstant ifTrue:[ |
|
589 |
"/self halt. |
|
590 |
"/ ] |
|
591 |
"/ ] |
|
592 |
]. |
|
593 |
]. |
|
594 |
||
595 |
classToLoad notNil ifTrue:[ |
|
596 |
loader isNil ifTrue:[ |
|
597 |
self |
|
598 |
loadClassLazy:classToLoad |
|
599 |
ignoring:(Set new). |
|
600 |
] ifFalse:[ |
|
601 |
"/ |
|
602 |
"/ the aquired loader is a javaClassLoader |
|
603 |
"/ which expects an URL as arg. |
|
604 |
"/ |
|
605 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
606 |
"/ loader loadClass:classURL |
|
607 |
loader |
|
608 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
609 |
with:(Java as_String:(classToLoad asString)). |
|
610 |
] |
|
611 |
]. |
|
612 |
classToLoad notNil. |
|
613 |
] whileTrue. |
|
614 |
||
615 |
aJavaClass isInitialized ifFalse:[ |
|
616 |
Silent ifFalse:[ |
|
617 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
618 |
]. |
|
619 |
aJavaClass classInit |
|
620 |
]. |
|
621 |
] |
|
622 |
||
623 |
"Created: / 20.10.1998 / 17:53:22 / cg" |
|
624 |
"Modified: / 20.10.1998 / 17:59:09 / cg" |
|
1 | 625 |
! ! |
626 |
||
627 |
!JavaClassReader methodsFor:'file reading'! |
|
628 |
||
54 | 629 |
readClassFileIgnoring:classesbeingLoaded |
7 | 630 |
"reads a class from inStream and returns it. |
38 | 631 |
The JavaClass is not installed as global and its constants |
632 |
(especially strings) may not be fully resolved." |
|
7 | 633 |
|
9 | 634 |
|magic |
38 | 635 |
access_flags this_class this_class_index super_class super_class_index |
636 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
637 |
fields interfaces staticFields nStatic |
353 | 638 |
jSuperClass loader superClassName thisClassName existing_class |
639 |
thisMetaClass| |
|
1 | 640 |
|
641 |
"/ |
|
642 |
"/ read magic, determine byte order |
|
643 |
"/ |
|
644 |
msb := true. |
|
344 | 645 |
magic := inStream nextUnsignedLongMSB:true. |
646 |
magic = (self class magic_MSB) ifFalse:[ |
|
647 |
magic = (self class magic_LSB) ifFalse:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
648 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
649 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
650 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
651 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
652 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 653 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
654 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 655 |
]. |
656 |
||
657 |
"/ |
|
658 |
"/ get version |
|
659 |
"/ |
|
128 | 660 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
661 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 662 |
|
344 | 663 |
(majorVsn ~~ (self class fileMajorVersion) |
664 |
or:[minorVsn ~~ (self class fileMinorVersion)]) ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
665 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 666 |
]. |
667 |
||
668 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
669 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
670 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
671 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
672 |
showCR:(minorVsn printString). |
99 | 673 |
]. |
1 | 674 |
|
675 |
"/ |
|
676 |
"/ get constant pool |
|
677 |
"/ |
|
678 |
self readConstantPool. |
|
679 |
||
680 |
"/ |
|
681 |
"/ access flags |
|
682 |
"/ |
|
128 | 683 |
access_flags := inStream nextUnsignedShortMSB:msb. |
684 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
685 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 686 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
687 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
688 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
689 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
690 |
super_class := constants at:super_class_index. |
350 | 691 |
superClassName := super_class fullName. |
692 |
||
693 |
"/ special for ST-classes |
|
694 |
(superClassName startsWith:'smalltalk.') ifTrue:[ |
|
695 |
"/ a Smalltalk class |
|
696 |
superClassName := superClassName copyFrom:11. |
|
697 |
existingSuperClass := Smalltalk at:superClassName asSymbol. |
|
698 |
existingSuperClass notNil ifTrue:[ |
|
699 |
super_class := existingSuperClass |
|
700 |
] ifFalse:[ |
|
701 |
"/ self halt - must load superclass ... |
|
702 |
] |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
703 |
] ifFalse:[ |
350 | 704 |
"/ a JAVA class |
705 |
existingSuperClass := Java classNamed:superClassName. |
|
706 |
existingSuperClass notNil ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
707 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
708 |
] ifFalse:[ |
350 | 709 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
710 |
Silent ifFalse:[ |
|
711 |
'load superClass: ' print. superClassName printCR. |
|
712 |
]. |
|
713 |
loader := ClassLoaderQuerySignal raise. |
|
714 |
loader isNil ifTrue:[ |
|
715 |
existingSuperClass := self class |
|
716 |
loadClassLazy:superClassName |
|
717 |
ignoring:classesbeingLoaded. |
|
718 |
] ifFalse:[ |
|
719 |
jSuperClass := loader |
|
720 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
721 |
with:(Java as_String:superClassName). |
|
722 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
|
723 |
]. |
|
724 |
existingSuperClass isNil ifTrue:[ |
|
443 | 725 |
('JAVA: cannot find superclass: ' , superClassName) infoPrintCR. |
726 |
"/ self halt:('cannot find superclass: ' , superClassName). |
|
727 |
^ nil. |
|
350 | 728 |
]. |
729 |
super_class := existingSuperClass |
|
730 |
] ifFalse:[ |
|
731 |
self halt:'oops - superclass ?' |
|
732 |
] |
|
733 |
]. |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
734 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
735 |
]. |
1 | 736 |
|
737 |
"/ |
|
738 |
"/ get interfaces |
|
739 |
"/ |
|
38 | 740 |
interfaces := self readInterfaces. |
1 | 741 |
|
742 |
"/ |
|
743 |
"/ get fields |
|
744 |
"/ |
|
38 | 745 |
fields := self readFieldInfofields. |
40 | 746 |
|
747 |
"/ |
|
748 |
"/ create the fields as instVars |
|
749 |
"/ static fields are created as class-InstVars |
|
750 |
"/ |
|
751 |
staticFields := fields select:[:f | f isStatic]. |
|
752 |
nStatic := staticFields size. |
|
753 |
||
754 |
this_class_ref := constants at:this_class_index. |
|
350 | 755 |
thisClassName := this_class_ref fullName. |
756 |
||
757 |
"/ care for smalltalk classes ... |
|
758 |
(thisClassName startsWith:'smalltalk.') ifTrue:[ |
|
759 |
thisClassName := thisClassName copyFrom:11. |
|
182 | 760 |
|
350 | 761 |
existing_class := Smalltalk at:thisClassName asSymbol. |
762 |
existing_class notNil ifTrue:[ |
|
355 | 763 |
self halt:('overloading existing class: ', thisClassName). |
764 |
thisClassName := (thisClassName , '_new') asSymbol. |
|
350 | 765 |
]. |
353 | 766 |
thisMetaClass := Metaclass new. |
767 |
thisMetaClass setSuperclass:super_class class. |
|
355 | 768 |
thisMetaClass instSize:(super_class class instSize + nStatic). |
353 | 769 |
|
770 |
this_class := thisMetaClass new. |
|
350 | 771 |
this_class setSuperclass:super_class. |
772 |
this_class setName:thisClassName asSymbol. |
|
773 |
] ifFalse:[ |
|
774 |
"/ a java class |
|
775 |
||
776 |
this_class := JavaClass fullName:thisClassName numStatic:nStatic. |
|
40 | 777 |
|
350 | 778 |
nStatic ~~ 0 ifTrue:[ |
779 |
fields := fields select:[:f | f isStatic not]. |
|
780 |
||
781 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
|
782 |
this_class setStaticFields:staticFields. |
|
783 |
this_class initializeStaticFields. |
|
784 |
]. |
|
40 | 785 |
|
350 | 786 |
this_class setAccessFlags:access_flags. |
787 |
this_class setSuperclass:super_class. |
|
788 |
this_class setConstantPool:constants. |
|
40 | 789 |
|
350 | 790 |
this_class setFields:fields. |
791 |
this_class setInterfaces:interfaces. |
|
792 |
||
793 |
constants owner:this_class. |
|
794 |
]. |
|
1 | 795 |
|
796 |
"/ |
|
797 |
"/ get methods |
|
798 |
"/ |
|
38 | 799 |
self readMethodsFor:this_class. |
1 | 800 |
|
5 | 801 |
self readAttributesFor:this_class. |
802 |
||
803 |
^ this_class |
|
804 |
||
1 | 805 |
" |
355 | 806 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
807 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
808 |
JavaClassReader loadFile:'foo.cls' |
|
9 | 809 |
|
810 |
JavaClassReader verbose:true. |
|
355 | 811 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
812 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 813 |
" |
814 |
||
252 | 815 |
"Created: / 15.4.1996 / 15:02:47 / cg" |
443 | 816 |
"Modified: / 12.11.1998 / 21:14:45 / cg" |
5 | 817 |
! |
818 |
||
54 | 819 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 820 |
"reads a class from aStream and returns it. |
821 |
The JavaClass is not installed as global" |
|
822 |
||
5 | 823 |
inStream := aStream. |
824 |
inStream binary. |
|
38 | 825 |
|
54 | 826 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 827 |
|
828 |
" |
|
829 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
830 |
" |
|
831 |
||
832 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
833 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
834 |
! ! |
|
835 |
||
836 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
837 |
||
838 |
readAttribute:attributeName for:something |
|
344 | 839 |
"/ implemented ST attributes |
840 |
(attributeName = 'STLiterals') ifTrue:[ |
|
841 |
self readSTLiteralsAttributeFor:something. |
|
842 |
^ self. |
|
843 |
]. |
|
350 | 844 |
(attributeName = 'ClassRevision') ifTrue:[ |
845 |
self readSTClassRevisionAttributeFor:something. |
|
846 |
^ self. |
|
847 |
]. |
|
848 |
(attributeName = 'ClassPackage') ifTrue:[ |
|
849 |
self readSTClassPackageAttributeFor:something. |
|
348 | 850 |
^ self. |
851 |
]. |
|
350 | 852 |
(attributeName = 'ClassCategory') ifTrue:[ |
853 |
self readSTClassCategoryAttributeFor:something. |
|
854 |
^ self. |
|
855 |
]. |
|
353 | 856 |
(attributeName = 'ClassVarNames') ifTrue:[ |
857 |
self readSTClassVarNamesAttributeFor:something. |
|
858 |
^ self. |
|
859 |
]. |
|
860 |
(attributeName = 'ClassInstVarNames') ifTrue:[ |
|
861 |
self readSTClassInstVarNamesAttributeFor:something. |
|
862 |
^ self. |
|
863 |
]. |
|
864 |
(attributeName = 'InstVarNames') ifTrue:[ |
|
865 |
self readSTInstVarNamesAttributeFor:something. |
|
866 |
^ self. |
|
867 |
]. |
|
868 |
(attributeName = 'STCode') ifTrue:[ |
|
357 | 869 |
self readSTCodeAttributeFor:something. |
870 |
^ self. |
|
871 |
]. |
|
872 |
(attributeName = 'MethodCategory') ifTrue:[ |
|
873 |
self readSTMethodCategoryAttributeFor:something. |
|
353 | 874 |
^ self. |
875 |
]. |
|
83 | 876 |
|
344 | 877 |
"/ implemented JAVA attributes |
5 | 878 |
(attributeName = 'Code') ifTrue:[ |
333 | 879 |
self readCodeAttributeFor:something. |
880 |
^ self. |
|
5 | 881 |
]. |
83 | 882 |
(attributeName = 'Exceptions') ifTrue:[ |
333 | 883 |
self readExceptionsAttributeFor:something. |
884 |
^ self. |
|
83 | 885 |
]. |
5 | 886 |
(attributeName = 'LineNumberTable') ifTrue:[ |
333 | 887 |
self readLineNumberTableAttributeFor:something. |
888 |
^ self. |
|
5 | 889 |
]. |
890 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
333 | 891 |
self readLocalVariableTableAttributeFor:something. |
892 |
^ self. |
|
5 | 893 |
]. |
894 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
333 | 895 |
self readConstantValueAttributeFor:something. |
896 |
^ self. |
|
5 | 897 |
]. |
898 |
(attributeName = 'SourceFile') ifTrue:[ |
|
333 | 899 |
self readSourceFileAttributeFor:something. |
900 |
^ self. |
|
901 |
]. |
|
902 |
||
344 | 903 |
"/ ignored JAVA attributes |
333 | 904 |
(attributeName = 'Deprecated') ifTrue:[ |
366 | 905 |
"/ ('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 906 |
self skipAttribute:attributeName. |
907 |
^ self. |
|
252 | 908 |
]. |
333 | 909 |
(attributeName = 'AbsoluteSourcePath') ifTrue:[ |
335 | 910 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 911 |
self skipAttribute:attributeName. |
912 |
^ self. |
|
913 |
]. |
|
914 |
(attributeName = 'Synthetic') ifTrue:[ |
|
335 | 915 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 916 |
self skipAttribute:attributeName. |
917 |
^ self. |
|
918 |
]. |
|
919 |
(attributeName = 'InnerClasses') ifTrue:[ |
|
335 | 920 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 921 |
self skipAttribute:attributeName. |
922 |
^ self. |
|
5 | 923 |
]. |
83 | 924 |
|
386 | 925 |
(attributeName startsWith:((Character value:13) asString , 'WARNING:')) ifTrue:[ |
926 |
"/ ('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
|
927 |
self skipAttribute:attributeName. |
|
928 |
^ self. |
|
929 |
]. |
|
930 |
||
355 | 931 |
"/ unknown attributes |
335 | 932 |
('JAVA [warning]: unrecognized attribute: ' , attributeName) infoPrintCR. |
333 | 933 |
self skipAttribute:attributeName. |
5 | 934 |
|
386 | 935 |
"Modified: / 16.10.1998 / 12:51:59 / cg" |
5 | 936 |
! |
937 |
||
938 |
readAttributeFor:something |
|
939 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
940 |
||
61 | 941 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 942 |
|
128 | 943 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 944 |
|
945 |
"/ |
|
946 |
"/ UNDOC feature ? |
|
947 |
"/ |
|
948 |
attribute_name_index > constants size ifTrue:[ |
|
333 | 949 |
attribute_name_index == 16rb700 ifTrue:[ |
950 |
self halt. |
|
951 |
] |
|
9 | 952 |
]. |
953 |
||
5 | 954 |
attribute_name := constants at:attribute_name_index. |
9 | 955 |
|
61 | 956 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 957 |
|
333 | 958 |
self readAttribute:attribute_name for:something. |
5 | 959 |
|
960 |
" |
|
961 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
962 |
" |
|
963 |
||
333 | 964 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
965 |
"Modified: / 9.4.1998 / 18:13:34 / cg" |
|
5 | 966 |
! |
967 |
||
968 |
readAttributesFor:something |
|
969 |
|attributes_count| |
|
970 |
||
128 | 971 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 972 |
|
973 |
1 to:attributes_count do:[:i | |
|
252 | 974 |
self readAttributeFor:something. |
5 | 975 |
]. |
976 |
||
977 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
978 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
333 | 979 |
! |
980 |
||
353 | 981 |
readSourceFileAttributeFor:aClass |
350 | 982 |
|attribute_length sourceFile_index sourceFile| |
983 |
||
984 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
985 |
||
986 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
|
987 |
sourceFile := constants at:sourceFile_index. |
|
988 |
||
353 | 989 |
aClass isJavaClass ifTrue:[ |
990 |
aClass setSourceFile:sourceFile. |
|
991 |
] ifFalse:[ |
|
992 |
aClass setClassFilename:sourceFile |
|
993 |
]. |
|
350 | 994 |
|
995 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
|
996 |
^ true |
|
997 |
||
998 |
" |
|
999 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1000 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1001 |
JavaClassReader loadFile:'foo.cls' |
|
1002 |
" |
|
1003 |
||
1004 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
|
353 | 1005 |
"Modified: / 12.5.1998 / 22:01:07 / cg" |
350 | 1006 |
! |
1007 |
||
333 | 1008 |
skipAttribute:attributeName |
1009 |
"dont know about this attribute - skip it here" |
|
1010 |
||
1011 |
|attribute_length attribute_info| |
|
1012 |
||
1013 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1014 |
attribute_info := ByteArray new:(attribute_length). |
|
1015 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
1016 |
||
1017 |
Verbose ifTrue:[Transcript show:'skipped '; show:attributeName; showCR:'-attribute']. |
|
1018 |
||
1019 |
"Created: / 9.4.1998 / 18:12:46 / cg" |
|
1020 |
"Modified: / 9.4.1998 / 18:13:20 / cg" |
|
5 | 1021 |
! ! |
1022 |
||
350 | 1023 |
!JavaClassReader methodsFor:'file reading - attributes-ST'! |
1024 |
||
1025 |
readSTClassCategoryAttributeFor:aClass |
|
1026 |
|attribute_length categoryString_index categoryString| |
|
1027 |
||
1028 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1029 |
||
1030 |
categoryString_index := inStream nextUnsignedShortMSB:msb. |
|
1031 |
categoryString := constants at:categoryString_index. |
|
1032 |
||
1033 |
aClass category:categoryString. |
|
1034 |
||
1035 |
Verbose ifTrue:[Transcript show:'categoryString: '; showCR:categoryString]. |
|
1036 |
^ true |
|
1037 |
||
1038 |
" |
|
1039 |
JavaClassReader loadFile:'foo.cls' |
|
1040 |
" |
|
1041 |
||
1042 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
1043 |
"Modified: / 9.5.1998 / 02:36:55 / cg" |
|
1044 |
! |
|
1045 |
||
353 | 1046 |
readSTClassInstVarNamesAttributeFor:aClass |
1047 |
|attribute_length nameString_index nameString| |
|
1048 |
||
1049 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1050 |
||
1051 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
1052 |
nameString := constants at:nameString_index. |
|
1053 |
||
1054 |
aClass class instanceVariableString:nameString. |
|
1055 |
||
1056 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
1057 |
^ true |
|
1058 |
||
1059 |
" |
|
1060 |
JavaClassReader loadFile:'foo.cls' |
|
1061 |
" |
|
1062 |
||
1063 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
1064 |
"Created: / 12.5.1998 / 22:18:24 / cg" |
|
1065 |
! |
|
1066 |
||
350 | 1067 |
readSTClassPackageAttributeFor:aClass |
1068 |
|attribute_length packageString_index packageString| |
|
1069 |
||
1070 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1071 |
||
1072 |
packageString_index := inStream nextUnsignedShortMSB:msb. |
|
1073 |
packageString := constants at:packageString_index. |
|
1074 |
||
1075 |
aClass package:packageString asSymbol. |
|
1076 |
||
1077 |
Verbose ifTrue:[Transcript show:'packageString: '; showCR:packageString]. |
|
1078 |
^ true |
|
1079 |
||
1080 |
" |
|
1081 |
JavaClassReader loadFile:'foo.cls' |
|
1082 |
" |
|
1083 |
||
1084 |
"Modified: / 9.5.1998 / 02:32:38 / cg" |
|
1085 |
"Created: / 9.5.1998 / 02:33:44 / cg" |
|
1086 |
! |
|
1087 |
||
1088 |
readSTClassRevisionAttributeFor:aClass |
|
1089 |
|attribute_length revisionString_index revisionString| |
|
1090 |
||
1091 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1092 |
||
1093 |
revisionString_index := inStream nextUnsignedShortMSB:msb. |
|
1094 |
revisionString := constants at:revisionString_index. |
|
1095 |
||
1096 |
aClass setBinaryRevision:revisionString. |
|
1097 |
||
1098 |
Verbose ifTrue:[Transcript show:'revisionString: '; showCR:revisionString]. |
|
1099 |
^ true |
|
1100 |
||
1101 |
" |
|
1102 |
JavaClassReader loadFile:'foo.cls' |
|
1103 |
" |
|
1104 |
||
1105 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
1106 |
"Modified: / 9.5.1998 / 02:35:01 / cg" |
|
353 | 1107 |
! |
1108 |
||
1109 |
readSTClassVarNamesAttributeFor:aClass |
|
1110 |
|attribute_length nameString_index nameString| |
|
1111 |
||
1112 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1113 |
||
1114 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
1115 |
nameString := constants at:nameString_index. |
|
1116 |
||
1117 |
aClass classVariableString:nameString. |
|
1118 |
||
1119 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
1120 |
^ true |
|
1121 |
||
1122 |
" |
|
1123 |
JavaClassReader loadFile:'foo.cls' |
|
1124 |
" |
|
1125 |
||
1126 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
1127 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
1128 |
! |
|
1129 |
||
1130 |
readSTInstVarNamesAttributeFor:aClass |
|
1131 |
|attribute_length nameString_index nameString| |
|
1132 |
||
1133 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1134 |
||
1135 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
1136 |
nameString := constants at:nameString_index. |
|
1137 |
||
1138 |
aClass setInstanceVariableString:nameString. |
|
1139 |
||
1140 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
1141 |
^ true |
|
1142 |
||
1143 |
" |
|
1144 |
JavaClassReader loadFile:'foo.cls' |
|
1145 |
" |
|
1146 |
||
1147 |
"Created: / 12.5.1998 / 22:18:14 / cg" |
|
1148 |
"Modified: / 12.5.1998 / 22:21:10 / cg" |
|
350 | 1149 |
! ! |
1150 |
||
5 | 1151 |
!JavaClassReader methodsFor:'file reading - constants'! |
1152 |
||
1 | 1153 |
readConstant |
1154 |
|tag constReader const| |
|
1155 |
||
1156 |
||
11 | 1157 |
constNeeds2Slots := false. |
1158 |
||
1 | 1159 |
"/ |
1160 |
"/ get tag |
|
1161 |
"/ |
|
128 | 1162 |
tag := inStream nextByte. |
61 | 1163 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 1164 |
|
350 | 1165 |
tag >= 250 ifTrue:[ |
1166 |
constReader := #( |
|
1167 |
"/ ST types |
|
1168 |
readConstant_ST_Large "/ 249 |
|
1169 |
readConstant_ST_Special "/ 250 |
|
1170 |
readConstant_ST_Character "/ 251 |
|
1171 |
readConstant_ST_ByteArray "/ 252 |
|
1172 |
readConstant_ST_Array "/ 253 |
|
1173 |
readConstant_ST_Symbol "/ 254 |
|
1174 |
readConstant_ST_Reserved "/ 255 |
|
1175 |
) at:tag-249+1. |
|
1176 |
] ifFalse:[ |
|
1177 |
constReader := #( |
|
344 | 1178 |
"/ JAVA types |
1179 |
readConstant_Asciz "/ 1 - now called Utf8 |
|
1180 |
readConstant_Unicode "/ 2 |
|
1181 |
readConstant_Integer "/ 3 |
|
1182 |
readConstant_Float "/ 4 |
|
1183 |
readConstant_Long "/ 5 |
|
1184 |
readConstant_Double "/ 6 |
|
1185 |
readConstant_Class "/ 7 |
|
1186 |
readConstant_String "/ 8 |
|
1187 |
readConstant_Fieldref "/ 9 |
|
1188 |
readConstant_Methodref "/ 10 |
|
1189 |
readConstant_InterfaceMethodref "/ 11 |
|
1190 |
readConstant_NameAndType "/ 12 |
|
1191 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
350 | 1192 |
]. |
1 | 1193 |
^ self perform:constReader. |
1194 |
||
1195 |
" |
|
1196 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1197 |
" |
|
1198 |
||
344 | 1199 |
"Created: / 15.4.1996 / 15:46:32 / cg" |
350 | 1200 |
"Modified: / 9.5.1998 / 01:26:05 / cg" |
1 | 1201 |
! |
1202 |
||
1203 |
readConstantPool |
|
11 | 1204 |
|constantPoolCount const i| |
1 | 1205 |
|
1206 |
"/ |
|
1207 |
"/ get constant pool |
|
1208 |
"/ |
|
128 | 1209 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 1210 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 1211 |
|
91 | 1212 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 1213 |
|
21 | 1214 |
constSlot := 1. |
1215 |
[constSlot < constantPoolCount] whileTrue:[ |
|
344 | 1216 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
1217 |
const := self readConstant. |
|
1218 |
constants at:constSlot put:const. |
|
1219 |
||
1220 |
"/ long & double consts take 2 slots |
|
1221 |
"/ (only first is used) |
|
1222 |
constNeeds2Slots ifTrue:[ |
|
1223 |
constSlot := constSlot + 2. |
|
1224 |
] ifFalse:[ |
|
1225 |
constSlot := constSlot + 1. |
|
1226 |
] |
|
1 | 1227 |
]. |
1228 |
||
52 | 1229 |
constSlot := -1. |
1230 |
||
91 | 1231 |
"/ preresolve what can be (especially, strings are resolved here) |
1232 |
||
1 | 1233 |
1 to:constantPoolCount-1 do:[:i | |
344 | 1234 |
|const value| |
1 | 1235 |
|
344 | 1236 |
const := constants at:i. |
1237 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
1238 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
1239 |
value := const preResolve. |
|
1240 |
value ~~ const ifTrue:[ |
|
1241 |
constants at:i put:value. |
|
1242 |
] |
|
1243 |
] |
|
1244 |
] |
|
1 | 1245 |
]. |
1246 |
||
1247 |
" |
|
1248 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1249 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1250 |
" |
|
1251 |
||
344 | 1252 |
"Created: / 15.4.1996 / 15:14:11 / cg" |
1253 |
"Modified: / 7.5.1998 / 11:44:06 / cg" |
|
1 | 1254 |
! |
1255 |
||
1256 |
readConstant_Asciz |
|
1257 |
|len string| |
|
1258 |
||
128 | 1259 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 1260 |
string := String new:len. |
1261 |
inStream nextBytes:len into:string startingAt:1. |
|
1262 |
||
61 | 1263 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 1264 |
|
1265 |
^ string |
|
1266 |
||
1267 |
" |
|
1268 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1269 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1270 |
" |
|
1271 |
||
1272 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
1273 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
1274 |
! |
|
1275 |
||
1276 |
readConstant_Class |
|
52 | 1277 |
|name_index name| |
1 | 1278 |
|
128 | 1279 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 1280 |
|
61 | 1281 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 1282 |
|
52 | 1283 |
name := constants at:name_index. |
1284 |
name notNil ifTrue:[ |
|
350 | 1285 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
1286 |
"/ self halt |
|
52 | 1287 |
]. |
1288 |
||
21 | 1289 |
^ JavaUnresolvedClassConstant |
350 | 1290 |
pool:constants |
1291 |
poolIndex:constSlot |
|
1292 |
nameIndex:name_index |
|
91 | 1293 |
|
1 | 1294 |
" |
1295 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1296 |
" |
|
1297 |
||
350 | 1298 |
"Created: / 15.4.1996 / 15:21:13 / cg" |
1299 |
"Modified: / 8.5.1998 / 21:53:16 / cg" |
|
1 | 1300 |
! |
1301 |
||
11 | 1302 |
readConstant_Double |
350 | 1303 |
|high low aFloat bytes| |
1304 |
||
1305 |
"/ new code - to be tested |
|
1306 |
"/ bytes := ByteArray new:8. |
|
1307 |
"/ |
|
1308 |
"/ inStream nextBytes:8 into:bytes startingAt:1. |
|
1309 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1310 |
"/ bytes reverse |
|
1311 |
"/ ]. |
|
1312 |
"/ aFloat := bytes doubleAt:1. |
|
1313 |
||
1314 |
"/ old code |
|
11 | 1315 |
|
128 | 1316 |
high := inStream nextUnsignedLongMSB:msb. |
1317 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1318 |
|
1319 |
aFloat := Float new. |
|
1320 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
350 | 1321 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1322 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1323 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1324 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
1325 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
1326 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
1327 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
1328 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 1329 |
] ifFalse:[ |
350 | 1330 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
1331 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
1332 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
1333 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
1334 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
1335 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
1336 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
1337 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1338 |
]. |
1339 |
||
1340 |
constNeeds2Slots := true. |
|
1341 |
||
61 | 1342 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 1343 |
^ aFloat |
1344 |
||
1345 |
" |
|
1346 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1347 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1348 |
" |
|
1349 |
||
350 | 1350 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
1351 |
"Modified: / 8.5.1998 / 22:06:07 / cg" |
|
11 | 1352 |
! |
1353 |
||
1 | 1354 |
readConstant_Fieldref |
1355 |
|class_index name_and_type_index| |
|
1356 |
||
128 | 1357 |
class_index := inStream nextUnsignedShortMSB:msb. |
1358 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1359 |
|
61 | 1360 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
1361 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1362 |
|
91 | 1363 |
^ JavaUnresolvedFieldrefConstant |
252 | 1364 |
pool:constants |
1365 |
poolIndex:constSlot |
|
1366 |
classIndex:class_index |
|
1367 |
nameandTypeIndex:name_and_type_index |
|
1 | 1368 |
|
1369 |
" |
|
1370 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1371 |
" |
|
1372 |
||
1373 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
1374 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
1375 |
! |
|
1376 |
||
11 | 1377 |
readConstant_Float |
433 | 1378 |
|b1 b2 b3 b4 aFloat bytes| |
350 | 1379 |
|
1380 |
"/ new code - to be tested ... |
|
352 | 1381 |
"/ |
1382 |
"/ bytes := ByteArray new:4. |
|
1383 |
"/ inStream nextBytes:4 into:bytes startingAt:1. |
|
1384 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1385 |
"/ bytes reverse |
|
1386 |
"/ ]. |
|
1387 |
"/ aFloat := bytes floatAt:1. |
|
1388 |
"/ Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
|
1389 |
"/ ^ aFloat. |
|
350 | 1390 |
|
1391 |
"/ old code |
|
11 | 1392 |
|
1393 |
aFloat := ShortFloat basicNew. |
|
433 | 1394 |
|
1395 |
b1 := inStream nextByte. |
|
1396 |
b2 := inStream nextByte. |
|
1397 |
b3 := inStream nextByte. |
|
1398 |
b4 := inStream nextByte. |
|
1399 |
||
11 | 1400 |
UninterpretedBytes isBigEndian ifTrue:[ |
433 | 1401 |
aFloat basicAt:1 put:b1. |
1402 |
aFloat basicAt:2 put:b2. |
|
1403 |
aFloat basicAt:3 put:b3. |
|
1404 |
aFloat basicAt:4 put:b4. |
|
11 | 1405 |
] ifFalse:[ |
433 | 1406 |
aFloat basicAt:4 put:b1. |
1407 |
aFloat basicAt:3 put:b2. |
|
1408 |
aFloat basicAt:2 put:b3. |
|
1409 |
aFloat basicAt:1 put:b4. |
|
11 | 1410 |
]. |
61 | 1411 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 1412 |
^ aFloat |
1413 |
||
1414 |
" |
|
1415 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1416 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1417 |
" |
|
1418 |
||
350 | 1419 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
433 | 1420 |
"Modified: / 10.11.1998 / 22:04:59 / cg" |
11 | 1421 |
! |
1422 |
||
1 | 1423 |
readConstant_Integer |
1424 |
|value| |
|
1425 |
||
128 | 1426 |
value := inStream nextLongMSB:msb. |
1 | 1427 |
|
61 | 1428 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 1429 |
|
1430 |
^ value |
|
1431 |
||
1432 |
" |
|
1433 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1434 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1435 |
" |
|
1436 |
||
1437 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1438 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1439 |
! |
|
1440 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1441 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1442 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1443 |
|
128 | 1444 |
class_index := inStream nextUnsignedShortMSB:msb. |
1445 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1446 |
|
61 | 1447 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1448 |
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
|
1449 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1450 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 1451 |
pool:constants |
1452 |
poolIndex:constSlot |
|
1453 |
classIndex:class_index |
|
1454 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1455 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1456 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1457 |
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
|
1458 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1459 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1460 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1461 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1462 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1463 |
|
11 | 1464 |
readConstant_Long |
1465 |
|high low value| |
|
1466 |
||
128 | 1467 |
high := inStream nextUnsignedLongMSB:msb. |
1468 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1469 |
|
1470 |
value := (high bitShift:32) bitOr:low. |
|
60 | 1471 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 1472 |
value := value - 16r10000000000000000. |
60 | 1473 |
]. |
11 | 1474 |
constNeeds2Slots := true. |
1475 |
||
61 | 1476 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 1477 |
^ value |
1478 |
||
1479 |
" |
|
1480 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1481 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1482 |
" |
|
1483 |
||
1484 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1485 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1486 |
! |
|
1487 |
||
1 | 1488 |
readConstant_Methodref |
1489 |
|class_index name_and_type_index| |
|
1490 |
||
128 | 1491 |
class_index := inStream nextUnsignedShortMSB:msb. |
1492 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1493 |
|
61 | 1494 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1495 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1496 |
|
1497 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1498 |
pool:constants |
1499 |
poolIndex:constSlot |
|
1500 |
classIndex:class_index |
|
1501 |
nameandTypeIndex:name_and_type_index |
|
1 | 1502 |
|
1503 |
" |
|
1504 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1505 |
" |
|
1506 |
||
1507 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1508 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1509 |
! |
|
1510 |
||
91 | 1511 |
readConstant_NameAndType |
1 | 1512 |
|name_index signature_index| |
1513 |
||
128 | 1514 |
name_index := inStream nextUnsignedShortMSB:msb. |
1515 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1516 |
|
61 | 1517 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1518 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1519 |
|
1520 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1521 |
pool:constants |
1522 |
poolIndex:constSlot |
|
1523 |
nameIndex:name_index |
|
1524 |
signatureIndex:signature_index |
|
1 | 1525 |
|
1526 |
" |
|
1527 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1528 |
" |
|
1529 |
||
1530 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1531 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1532 |
! |
|
1533 |
||
1534 |
readConstant_String |
|
344 | 1535 |
|tag string_index chars jString| |
1 | 1536 |
|
128 | 1537 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1538 |
|
61 | 1539 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1540 |
|
344 | 1541 |
"/ resolve here if possible |
1542 |
string_index < constSlot ifTrue:[ |
|
1543 |
Java java_lang_String notNil ifTrue:[ |
|
1544 |
chars := (constants at:string_index). |
|
1545 |
chars isString ifFalse:[ |
|
1546 |
self halt:'should not happen' |
|
1547 |
]. |
|
1548 |
jString := Java as_String:chars. |
|
1549 |
^ jString. |
|
1550 |
] |
|
1551 |
]. |
|
1552 |
||
91 | 1553 |
^ JavaUnresolvedStringConstant |
344 | 1554 |
pool:constants |
1555 |
poolIndex:constSlot |
|
1556 |
stringIndex:string_index |
|
1 | 1557 |
|
1558 |
" |
|
43 | 1559 |
Verbose := true. |
1560 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1561 |
" |
1562 |
||
344 | 1563 |
"Created: / 15.4.1996 / 15:20:33 / cg" |
1564 |
"Modified: / 7.5.1998 / 11:42:45 / cg" |
|
1565 |
! ! |
|
1566 |
||
1567 |
!JavaClassReader methodsFor:'file reading - constants-ST'! |
|
1568 |
||
1569 |
readConstant_ST_Array |
|
1570 |
|aSize arr| |
|
1571 |
||
1572 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1573 |
arr := Array new:aSize. |
|
1574 |
||
1575 |
1 to:aSize do:[:i | |
|
350 | 1576 |
|element_index element| |
344 | 1577 |
|
1578 |
element_index := inStream nextUnsignedShortMSB:msb. |
|
1579 |
arr at:i put:element_index. |
|
1580 |
]. |
|
1581 |
Verbose ifTrue:[Transcript show:'array; size= '; showCR:aSize]. |
|
1582 |
||
1583 |
^ JavaUnresolvedSTArrayConstant |
|
1584 |
pool:constants |
|
1585 |
poolIndex:constSlot |
|
1586 |
array:arr |
|
1587 |
||
1588 |
"Created: / 7.5.1998 / 11:47:01 / cg" |
|
350 | 1589 |
"Modified: / 9.5.1998 / 00:25:34 / cg" |
344 | 1590 |
! |
1591 |
||
1592 |
readConstant_ST_ByteArray |
|
1593 |
|aSize arr| |
|
1594 |
||
1595 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1596 |
arr := ByteArray new:aSize. |
|
1597 |
||
1598 |
1 to:aSize do:[:i | |
|
1599 |
|element_index| |
|
1600 |
||
1601 |
arr at:i put:(inStream nextByte). |
|
1602 |
]. |
|
1603 |
Verbose ifTrue:[Transcript show:'byteArray; size= '; showCR:aSize]. |
|
1604 |
||
1605 |
^ arr |
|
1606 |
||
1607 |
"Created: / 7.5.1998 / 11:47:12 / cg" |
|
1608 |
! |
|
1609 |
||
1610 |
readConstant_ST_Character |
|
1611 |
|ascii| |
|
1612 |
||
1613 |
ascii := inStream nextUnsignedShortMSB:msb. |
|
1614 |
||
1615 |
Verbose ifTrue:[Transcript show:'char; ascii= '; showCR:ascii]. |
|
1616 |
^ Character value:ascii |
|
1617 |
||
1618 |
"Created: / 7.5.1998 / 11:48:12 / cg" |
|
1619 |
! |
|
1620 |
||
350 | 1621 |
readConstant_ST_Special |
1622 |
|type| |
|
1623 |
||
1624 |
type := inStream nextUnsignedShortMSB:msb. |
|
1625 |
^ #( |
|
1626 |
nil |
|
1627 |
true |
|
1628 |
false |
|
1629 |
) at:(type + 1) |
|
1630 |
||
1631 |
"Created: / 8.5.1998 / 23:06:56 / cg" |
|
1632 |
"Modified: / 9.5.1998 / 00:40:14 / cg" |
|
1633 |
! |
|
1634 |
||
344 | 1635 |
readConstant_ST_String |
1636 |
|tag string_index chars| |
|
1637 |
||
1638 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1639 |
||
1640 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
|
1641 |
||
1642 |
"/ resolve here if possible |
|
1643 |
string_index < constSlot ifTrue:[ |
|
1644 |
chars := (constants at:string_index). |
|
1645 |
^ chars |
|
1646 |
]. |
|
1647 |
||
1648 |
^ JavaUnresolvedSTStringConstant |
|
1649 |
pool:constants |
|
1650 |
poolIndex:constSlot |
|
1651 |
stringIndex:string_index |
|
1652 |
||
1653 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
1654 |
"Created: / 7.5.1998 / 11:49:55 / cg" |
|
1655 |
! |
|
1656 |
||
1657 |
readConstant_ST_Symbol |
|
1658 |
|tag string_index chars| |
|
1659 |
||
1660 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1661 |
||
1662 |
Verbose ifTrue:[Transcript show:'symbol; index= '; showCR:string_index]. |
|
1663 |
||
1664 |
"/ resolve here if possible |
|
1665 |
string_index < constSlot ifTrue:[ |
|
1666 |
chars := (constants at:string_index). |
|
1667 |
chars isString ifFalse:[ |
|
1668 |
self halt:'should not happen' |
|
1669 |
]. |
|
1670 |
^ chars asSymbol |
|
1671 |
]. |
|
1672 |
||
1673 |
^ JavaUnresolvedSTSymbolConstant |
|
1674 |
pool:constants |
|
1675 |
poolIndex:constSlot |
|
1676 |
stringIndex:string_index |
|
1677 |
||
1678 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
5 | 1679 |
! ! |
1680 |
||
1681 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1682 |
||
1683 |
readConstantValueAttributeFor:aField |
|
1684 |
|attribute_length constantvalue_index constantValue| |
|
1685 |
||
128 | 1686 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1687 |
|
128 | 1688 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1689 |
constantValue := constants at:constantvalue_index. |
1690 |
||
59 | 1691 |
aField constantValue:constantValue. |
1692 |
||
61 | 1693 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1694 |
^ true |
1695 |
||
1696 |
" |
|
1697 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1698 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1699 |
" |
|
1700 |
||
1701 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1702 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1703 |
! |
1704 |
||
1705 |
readFieldInfofield |
|
5 | 1706 |
|access_flags name_index signature_index attributes_count field| |
1 | 1707 |
|
128 | 1708 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1709 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1710 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1711 |
|
1712 |
field := JavaField new. |
|
1713 |
field setAccessFlags:access_flags. |
|
376 | 1714 |
field setName:(constants at:name_index) asSymbol. |
1715 |
field setSignature:(constants at:signature_index) asSymbol. |
|
5 | 1716 |
|
128 | 1717 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1718 |
|
99 | 1719 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
376 | 1720 |
show:' access: '; show:access_flags; |
1721 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1722 |
|
1 | 1723 |
1 to:attributes_count do:[:i | |
376 | 1724 |
self readAttributeFor:field. |
1 | 1725 |
]. |
1726 |
||
27 | 1727 |
^ field |
1728 |
||
1 | 1729 |
" |
1730 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1731 |
" |
|
1732 |
||
376 | 1733 |
"Created: / 15.4.1996 / 15:38:43 / cg" |
1734 |
"Modified: / 15.10.1998 / 10:38:01 / cg" |
|
1 | 1735 |
! |
1736 |
||
1737 |
readFieldInfofields |
|
38 | 1738 |
|nFields fields| |
1 | 1739 |
|
1740 |
"/ |
|
38 | 1741 |
"/ get fieldInfos |
1 | 1742 |
"/ |
128 | 1743 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1744 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1745 |
|
27 | 1746 |
fields := Array new:nFields. |
1747 |
||
1748 |
1 to:nFields do:[:i | |
|
252 | 1749 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1750 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1751 |
]. |
38 | 1752 |
^ fields |
1 | 1753 |
|
1754 |
" |
|
1755 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1756 |
" |
|
1757 |
||
1758 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1759 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1760 |
! ! |
1761 |
||
38 | 1762 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1763 |
||
1764 |
readInterfaces |
|
110 | 1765 |
|interfacesCount interface_index interface interfaces| |
38 | 1766 |
|
1767 |
"/ |
|
1768 |
"/ get interfaces |
|
1769 |
"/ |
|
128 | 1770 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1771 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1772 |
|
1773 |
interfaces := Array new:interfacesCount. |
|
1774 |
||
1775 |
1 to:interfacesCount do:[:i | |
|
252 | 1776 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1777 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1778 |
interface := constants at:interface_index. |
|
38 | 1779 |
|
252 | 1780 |
interfaces at:i put:interface. |
38 | 1781 |
]. |
1782 |
^ interfaces |
|
1783 |
||
1784 |
" |
|
1785 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1786 |
" |
|
1787 |
||
1788 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1789 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1790 |
! ! |
|
1791 |
||
5 | 1792 |
!JavaClassReader methodsFor:'file reading - methods'! |
1793 |
||
1794 |
readCodeAttributeFor:aJavaMethod |
|
1795 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1796 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1797 |
|
128 | 1798 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1799 |
|
357 | 1800 |
Verbose ifTrue:[Transcript show:'code_attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1801 |
|
99 | 1802 |
minorVsn > 2 ifTrue:[ |
348 | 1803 |
"/ should be: |
1804 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
1805 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1806 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
1807 |
||
1808 |
"/ unknown1 := inStream nextByte. |
|
1809 |
"/ max_stack := inStream nextByte. |
|
1810 |
"/ max_locals := inStream nextUnsignedShortMSB:msb. |
|
1811 |
"/ unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1812 |
"/ code_length := inStream nextUnsignedShortMSB:msb. |
|
1813 |
"/ Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1814 |
"/ Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1815 |
] ifFalse:[ |
348 | 1816 |
max_stack := inStream nextByte. |
1817 |
max_locals := inStream nextByte. |
|
1818 |
code_length := inStream nextUnsignedShortMSB:msb. |
|
9 | 1819 |
]. |
1820 |
||
357 | 1821 |
Verbose ifTrue:[ |
1822 |
Transcript show:'code_length: '; showCR:(code_length printStringRadix:16). |
|
1823 |
Transcript show:'code at pos: '; showCR:inStream position |
|
1824 |
]. |
|
38 | 1825 |
|
357 | 1826 |
code_length ~~ 0 ifTrue:[ |
1827 |
code := ByteArray new:code_length. |
|
1828 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1829 |
]. |
|
1830 |
Verbose ifTrue:[Transcript show:'method code: '; showCR:code.]. |
|
9 | 1831 |
|
128 | 1832 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1833 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1834 |
exception_table_length ~~ 0 ifTrue:[ |
348 | 1835 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1836 |
|
348 | 1837 |
exception_table := Array new:exception_table_length. |
1838 |
1 to:exception_table_length do:[:i | |
|
1839 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1840 |
|
348 | 1841 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1842 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1843 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1844 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1845 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1846 |
startPC:start_pc |
|
1847 |
endPC:end_pc |
|
1848 |
handlerPC:handler_pc |
|
1849 |
catchType:catch_type). |
|
1850 |
]. |
|
1851 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1852 |
]. |
1853 |
||
29 | 1854 |
aJavaMethod |
348 | 1855 |
setCode:code |
1856 |
maxStack:max_stack |
|
1857 |
maxLocals:max_locals |
|
1858 |
u1:unknown1 |
|
1859 |
u2:unknown2. |
|
5 | 1860 |
|
1861 |
self readAttributesFor:aJavaMethod. |
|
1862 |
^ true |
|
1863 |
||
1 | 1864 |
" |
1865 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1866 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1867 |
" |
1868 |
||
348 | 1869 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
357 | 1870 |
"Modified: / 16.5.1998 / 01:39:42 / cg" |
5 | 1871 |
! |
1872 |
||
83 | 1873 |
readExceptionsAttributeFor:aJavaMethod |
1874 |
|attribute_length exception_table_length exception_table| |
|
1875 |
||
128 | 1876 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1877 |
|
128 | 1878 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1879 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1880 |
exception_table := Array new:exception_table_length. |
1881 |
1 to:exception_table_length do:[:i | |
|
1882 |
|idx ex| |
|
83 | 1883 |
|
252 | 1884 |
idx := inStream nextUnsignedShortMSB:msb. |
1885 |
ex := constants at:idx. |
|
1886 |
exception_table at:i put:ex. |
|
1887 |
]. |
|
83 | 1888 |
]. |
1889 |
||
1890 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1891 |
||
1892 |
aJavaMethod setExceptionTable:exception_table. |
|
1893 |
^ true |
|
1894 |
||
1895 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1896 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1897 |
! |
|
1898 |
||
5 | 1899 |
readLineNumberTableAttributeFor:aJavaMethod |
1900 |
|attribute_length line_number_table_length line_number_table| |
|
1901 |
||
128 | 1902 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1903 |
|
128 | 1904 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1905 |
line_number_table_length ~~ 0 ifTrue:[ |
330 | 1906 |
line_number_table := Array new:line_number_table_length. |
1907 |
1 to:line_number_table_length do:[:i | |
|
1908 |
|start_pc line_number| |
|
5 | 1909 |
|
330 | 1910 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1911 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1912 |
line_number_table at:i put:(start_pc -> line_number). |
|
1913 |
]. |
|
1914 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
|
1915 |
||
1916 |
aJavaMethod setLineNumberTable:line_number_table. |
|
5 | 1917 |
]. |
1918 |
||
1919 |
^ true |
|
1920 |
||
1921 |
" |
|
1922 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1923 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1924 |
" |
|
1925 |
||
330 | 1926 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
1927 |
"Modified: / 7.4.1998 / 19:08:42 / cg" |
|
1 | 1928 |
! |
1929 |
||
50 | 1930 |
readLocalVariableTableAttributeFor:aJavaMethod |
1931 |
|attribute_length local_variable_table_length local_variable_table| |
|
1932 |
||
128 | 1933 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1934 |
|
128 | 1935 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1936 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1937 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1938 |
1 to:local_variable_table_length do:[:i | |
|
1939 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1940 |
|
252 | 1941 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1942 |
length := inStream nextUnsignedShortMSB:msb. |
|
1943 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1944 |
name := constants at:name_index. |
|
1945 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1946 |
signature := constants at:sig_index. |
|
1947 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1948 |
|
252 | 1949 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1950 |
startPC:start_pc |
|
1951 |
length:length |
|
1952 |
name:name |
|
1953 |
signature:signature |
|
1954 |
slot:slot) |
|
1955 |
]. |
|
50 | 1956 |
]. |
1957 |
||
61 | 1958 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1959 |
|
1960 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1961 |
^ true |
|
1962 |
||
1963 |
" |
|
1964 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1965 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1966 |
" |
|
1967 |
||
1968 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1969 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1970 |
! |
|
1971 |
||
357 | 1972 |
readMethodFor:aClass |
273 | 1973 |
|m access_flags name_index name signature_index signature |
1974 |
tooManyArgs| |
|
1 | 1975 |
|
1976 |
"/ |
|
1977 |
"/ get a method |
|
1978 |
"/ |
|
128 | 1979 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1980 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1981 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1982 |
|
5 | 1983 |
name := constants at:name_index. |
1984 |
signature := constants at:signature_index. |
|
9 | 1985 |
|
357 | 1986 |
Verbose ifTrue:[ |
1987 |
Transcript show:'method name:'; showCR:name. |
|
1988 |
Transcript show:'signature:'; showCR:signature. |
|
1989 |
]. |
|
9 | 1990 |
|
357 | 1991 |
aClass isJavaClass ifTrue:[ |
386 | 1992 |
m := JavaMethodWithHandler new. |
357 | 1993 |
m setAccessFlags:access_flags. |
1994 |
tooManyArgs := false. |
|
1995 |
Method argumentSignal handle:[:ex | |
|
1996 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1997 |
tooManyArgs := true. |
|
1998 |
ex proceed. |
|
1999 |
] do:[ |
|
2000 |
m setName:name signature:signature. |
|
2001 |
]. |
|
2002 |
m setJavaClass:aClass. |
|
2003 |
||
2004 |
self readAttributesFor:m. |
|
2005 |
||
2006 |
tooManyArgs ifTrue:[ |
|
2007 |
m code:nil. |
|
2008 |
m byteCode:nil. |
|
2009 |
]. |
|
423 | 2010 |
(m exceptionHandlerTable isNil) ifTrue:[ |
2011 |
m exceptionTable isNil ifTrue:[ |
|
2012 |
m := JavaMethod fromMethod:m |
|
2013 |
] ifFalse:[ |
|
2014 |
m := JavaMethodWithException fromMethod:m |
|
2015 |
] |
|
386 | 2016 |
]. |
357 | 2017 |
aClass addMethod:m name:name signature:signature. |
2018 |
] ifFalse:[ |
|
2019 |
m := Method new. |
|
2020 |
self readAttributesFor:m. |
|
2021 |
(access_flags bitTest:JavaMethod A_STATIC) ifTrue:[ |
|
2022 |
aClass class primAddSelector:name asSymbol withMethod:m. |
|
2023 |
] ifFalse:[ |
|
2024 |
aClass primAddSelector:name asSymbol withMethod:m. |
|
2025 |
] |
|
273 | 2026 |
]. |
1 | 2027 |
|
2028 |
" |
|
2029 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
2030 |
" |
|
2031 |
||
273 | 2032 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
423 | 2033 |
"Modified: / 5.11.1998 / 20:01:43 / cg" |
1 | 2034 |
! |
2035 |
||
38 | 2036 |
readMethodsFor:aJavaClass |
1 | 2037 |
|methodsCount method| |
2038 |
||
2039 |
"/ |
|
2040 |
"/ get methods |
|
2041 |
"/ |
|
128 | 2042 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 2043 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 2044 |
|
2045 |
1 to:methodsCount do:[:i | |
|
348 | 2046 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
2047 |
method := self readMethodFor:aJavaClass |
|
1 | 2048 |
]. |
2049 |
||
2050 |
" |
|
2051 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
2052 |
" |
|
2053 |
||
348 | 2054 |
"Created: / 15.4.1996 / 16:46:30 / cg" |
2055 |
"Modified: / 8.5.1998 / 21:20:59 / cg" |
|
1 | 2056 |
! ! |
2057 |
||
344 | 2058 |
!JavaClassReader methodsFor:'file reading - methods-ST'! |
2059 |
||
348 | 2060 |
readSTCodeAttributeFor:aSmalltalkMethod |
2061 |
|attribute_length max_stack max_locals code_length code |
|
2062 |
exception_table_length unknown1 unknown2| |
|
2063 |
||
2064 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
2065 |
||
2066 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
|
2067 |
||
2068 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
2069 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
2070 |
||
2071 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
2072 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
|
2073 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
2074 |
||
357 | 2075 |
code_length ~~ 0 ifTrue:[ |
2076 |
code := ByteArray new:code_length. |
|
2077 |
inStream nextBytes:code_length into:code startingAt:1. |
|
2078 |
]. |
|
2079 |
Verbose ifTrue:[Transcript show:'method code: '; showCR:code.]. |
|
348 | 2080 |
|
2081 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
|
2082 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
|
2083 |
exception_table_length ~~ 0 ifTrue:[ |
|
2084 |
self error:'unexpected exceptionTable length'. |
|
2085 |
"/ skip it. |
|
2086 |
1 to:exception_table_length do:[:i | |
|
2087 |
"start_pc :=" inStream nextUnsignedShortMSB:msb. |
|
2088 |
"end_pc :=" inStream nextUnsignedShortMSB:msb. |
|
2089 |
"handler_pc :=" inStream nextUnsignedShortMSB:msb. |
|
2090 |
"catch_type :=" inStream nextUnsignedShortMSB:msb. |
|
2091 |
]. |
|
2092 |
]. |
|
2093 |
||
357 | 2094 |
aSmalltalkMethod byteCode:code. |
2095 |
aSmalltalkMethod stackSize:max_stack . |
|
2096 |
aSmalltalkMethod numberOfVars:max_locals. |
|
348 | 2097 |
|
2098 |
self readAttributesFor:aSmalltalkMethod. |
|
2099 |
^ true |
|
2100 |
||
357 | 2101 |
"Modified: / 16.5.1998 / 01:39:30 / cg" |
348 | 2102 |
! |
2103 |
||
344 | 2104 |
readSTLiteralsAttributeFor:aSmalltalkMethod |
348 | 2105 |
|attribute_length literal_table_length literal_table litIndex literal| |
2106 |
||
2107 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
2108 |
||
2109 |
literal_table_length := inStream nextUnsignedShortMSB:msb. |
|
2110 |
literal_table_length ~~ 0 ifTrue:[ |
|
2111 |
literal_table := Array new:literal_table_length. |
|
2112 |
1 to:literal_table_length do:[:i | |
|
2113 |
litIndex := inStream nextUnsignedShortMSB:msb. |
|
2114 |
literal := (constants at:litIndex). |
|
2115 |
literal_table at:i put:literal. |
|
2116 |
]. |
|
2117 |
]. |
|
357 | 2118 |
Verbose ifTrue:[Transcript show:'literals: '; showCR:literal_table storeString.]. |
344 | 2119 |
|
2120 |
"Created: / 7.5.1998 / 11:52:28 / cg" |
|
357 | 2121 |
"Modified: / 16.5.1998 / 01:52:27 / cg" |
2122 |
! |
|
2123 |
||
2124 |
readSTMethodCategoryAttributeFor:aSmalltalkMethod |
|
2125 |
|attribute_length name_index name| |
|
2126 |
||
2127 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
2128 |
||
2129 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
2130 |
name := (constants at:name_index). |
|
2131 |
||
2132 |
aSmalltalkMethod category:name. |
|
2133 |
||
348 | 2134 |
"Modified: / 8.5.1998 / 20:39:59 / cg" |
357 | 2135 |
"Created: / 16.5.1998 / 01:04:19 / cg" |
344 | 2136 |
! ! |
2137 |
||
135 | 2138 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 2139 |
|
2140 |
version |
|
454 | 2141 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.79 1998/11/16 15:13:24 cg Exp $' |
1 | 2142 |
! ! |
2143 |
JavaClassReader initialize! |