author | cg |
Thu, 07 May 1998 17:44:00 +0000 | |
changeset 344 | e97744a854f7 |
parent 335 | 5309d0a795b1 |
child 348 | 10725e1a2aee |
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 |
|
21 | 228 |
|javaClass pool| |
7 | 229 |
|
54 | 230 |
javaClass := self readFile:aFilename ignoring:classesBeingLoaded. |
7 | 231 |
javaClass notNil ifTrue:[ |
252 | 232 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
21 | 233 |
|
252 | 234 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
21 | 235 |
|
252 | 236 |
JavaUnresolvedConstant resolveFor:javaClass. |
7 | 237 |
]. |
9 | 238 |
^ javaClass |
7 | 239 |
|
240 |
" |
|
241 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 242 |
|
243 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
252 | 244 |
directoryContents do:[:nm | |
245 |
(nm endsWith:'.class') ifTrue:[ |
|
246 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
247 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
248 |
] |
|
249 |
]. |
|
9 | 250 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
251 |
'/phys/ibm3/java/lib/java/io' asFilename |
252 | 252 |
directoryContents do:[:nm | |
253 |
(nm endsWith:'.class') ifTrue:[ |
|
254 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
255 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
|
256 |
] |
|
257 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
258 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
259 |
'/phys/ibm3/java/lib/java/net' asFilename |
252 | 260 |
directoryContents do:[:nm | |
261 |
(nm endsWith:'.class') ifTrue:[ |
|
262 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
263 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
|
264 |
] |
|
265 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
266 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
267 |
'/phys/ibm3/java/lib/java/util' asFilename |
252 | 268 |
directoryContents do:[:nm | |
269 |
(nm endsWith:'.class') ifTrue:[ |
|
270 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
271 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
|
272 |
] |
|
273 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
274 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
275 |
'/phys/ibm3/java/lib/java/awt' asFilename |
252 | 276 |
directoryContents do:[:nm | |
277 |
(nm endsWith:'.class') ifTrue:[ |
|
278 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
279 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
280 |
] |
|
281 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
282 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
283 |
'/phys/ibm3/java/lib/java/applet' asFilename |
252 | 284 |
directoryContents do:[:nm | |
285 |
(nm endsWith:'.class') ifTrue:[ |
|
286 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
287 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
288 |
] |
|
289 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
290 |
|
9 | 291 |
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
|
292 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 293 |
" |
294 |
||
295 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
296 |
! |
|
297 |
||
327 | 298 |
loadStreamLazy:aStream ignoring:classesBeingLoaded |
299 |
"reads a class from aStream, installs and returns it. |
|
300 |
Strings are fixed and classrefs are fixed, |
|
301 |
but NO no class-init functions are called." |
|
302 |
||
303 |
|javaClass pool| |
|
304 |
||
305 |
javaClass := self readStream:aStream ignoring:classesBeingLoaded. |
|
306 |
javaClass notNil ifTrue:[ |
|
307 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
|
308 |
||
309 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
310 |
||
311 |
JavaUnresolvedConstant resolveFor:javaClass. |
|
312 |
]. |
|
313 |
^ javaClass |
|
314 |
||
315 |
"Created: / 30.3.1998 / 17:59:02 / cg" |
|
316 |
! |
|
317 |
||
43 | 318 |
postLoadActions |
319 |
"Resolve all classes' string constants. |
|
320 |
Perform all class initialization functions (of those which are not |
|
321 |
yet initialized)." |
|
322 |
||
225 | 323 |
^ self postLoadActions:true |
324 |
||
325 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
326 |
! |
|
327 |
||
328 |
postLoadActions:loadUnresolved |
|
329 |
"Resolve all classes' string constants. |
|
252 | 330 |
Perform all class initialization functions |
331 |
(of those which are not yet initialized)." |
|
225 | 332 |
|
223 | 333 |
|classes prevUnresolved newUnresolved loader| |
43 | 334 |
|
91 | 335 |
"/ need at least java.lang.String, for valid constants |
167 | 336 |
Java java_lang_String isNil ifTrue:[ |
255 | 337 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 338 |
]. |
339 |
||
91 | 340 |
LazyClassLoading ifFalse:[ |
255 | 341 |
loader := ClassLoaderQuerySignal raise. |
342 |
||
343 |
prevUnresolved := nil. |
|
344 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
345 |
loadUnresolved ifTrue:[ |
|
346 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
347 |
newUnresolved do:[:nextUnresolved | |
|
348 |
|classURL| |
|
223 | 349 |
|
255 | 350 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
351 |
Silent ifFalse:[ |
|
352 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
353 |
]. |
|
354 |
loader isNil ifTrue:[ |
|
355 |
self |
|
356 |
loadClassLazy:nextUnresolved |
|
357 |
ignoring:(Set new). |
|
358 |
] ifFalse:[ |
|
359 |
"/ |
|
360 |
"/ the aquired loader is a javaClassLoader |
|
361 |
"/ which expects an URL as arg. |
|
362 |
"/ |
|
363 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
364 |
"/ loader loadClass:classURL |
|
365 |
loader |
|
366 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
367 |
with:(Java as_String:(nextUnresolved asString)). |
|
368 |
] |
|
369 |
] |
|
370 |
]. |
|
371 |
prevUnresolved := newUnresolved. |
|
372 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
373 |
]. |
|
374 |
]. |
|
229 | 375 |
|
255 | 376 |
newUnresolved size == 0 ifTrue:[ |
377 |
"/ nothing unresolved |
|
91 | 378 |
|
255 | 379 |
(classes := Java allClasses) notNil ifTrue:[ |
380 |
"/ init all new classes |
|
381 |
"/ fetch again - there could be new ones ... |
|
91 | 382 |
|
255 | 383 |
classes := Java allClasses. |
384 |
classes do:[:aJavaClass | |
|
385 |
aJavaClass isInitialized ifFalse:[ |
|
386 |
Silent ifFalse:[ |
|
387 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
388 |
]. |
|
389 |
aJavaClass classInit |
|
390 |
] |
|
391 |
] |
|
392 |
] |
|
393 |
]. |
|
43 | 394 |
] |
167 | 395 |
|
252 | 396 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
255 | 397 |
"Modified: / 7.1.1998 / 14:13:55 / cg" |
43 | 398 |
! |
399 |
||
54 | 400 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 401 |
"reads a class from aFilename and returns it. |
91 | 402 |
The JavaClass is NOT installed as global and unresolved |
403 |
refs are NOT patched." |
|
7 | 404 |
|
73 | 405 |
|inStream javaClass| |
1 | 406 |
|
43 | 407 |
Silent ifFalse:[ |
318 | 408 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 409 |
]. |
21 | 410 |
|
1 | 411 |
inStream := aFilename asFilename readStream. |
91 | 412 |
inStream isNil ifTrue:[ |
318 | 413 |
('JAVA [info]: no file: ' , aFilename) printCR. |
414 |
self halt. |
|
415 |
^ nil |
|
91 | 416 |
]. |
417 |
||
418 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
73 | 419 |
javaClass notNil ifTrue:[ |
318 | 420 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 421 |
]. |
1 | 422 |
inStream close. |
27 | 423 |
|
91 | 424 |
AbsolutelySilent ifFalse:[ |
318 | 425 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 426 |
]. |
27 | 427 |
|
73 | 428 |
^ javaClass |
1 | 429 |
|
318 | 430 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
431 |
"Modified: / 6.2.1998 / 02:20:58 / cg" |
|
1 | 432 |
! |
433 |
||
198 | 434 |
readStream:aStream |
435 |
"reads a class from aStream and returns it. |
|
223 | 436 |
The JavaClass is installed as global. |
437 |
If new classes are required to be loaded, a new standard loader |
|
438 |
is created." |
|
198 | 439 |
|
223 | 440 |
^ self readStream:aStream loader:nil |
198 | 441 |
|
223 | 442 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 443 |
! |
444 |
||
54 | 445 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 446 |
"reads a class from aStream and returns it. |
447 |
The JavaClass is not installed as global" |
|
448 |
||
327 | 449 |
|javaClass| |
450 |
||
451 |
javaClass := self new readStream:aStream ignoring:classesBeingLoaded. |
|
1 | 452 |
|
327 | 453 |
AbsolutelySilent ifFalse:[ |
454 |
' ... loaded ' print. javaClass displayString printNL. |
|
455 |
]. |
|
1 | 456 |
|
327 | 457 |
^ javaClass |
458 |
||
459 |
"Modified: / 30.3.1998 / 18:14:40 / cg" |
|
223 | 460 |
! |
461 |
||
462 |
readStream:aStream loader:aClassLoader |
|
463 |
"reads a class from aStream and returns it. |
|
464 |
The JavaClass is installed as global. |
|
465 |
If new classes are required to be loaded, aClassLoader is |
|
466 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
467 |
is created." |
|
468 |
||
225 | 469 |
^ self |
252 | 470 |
readStream:aStream |
471 |
loader:aClassLoader |
|
472 |
loadUnresolved:true |
|
225 | 473 |
|
474 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
475 |
! |
|
476 |
||
477 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
478 |
"reads a class from aStream and returns it. |
|
479 |
The JavaClass is installed as global. |
|
480 |
If new classes are required to be loaded, aClassLoader is |
|
481 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
482 |
is created." |
|
483 |
||
223 | 484 |
|javaClass| |
485 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
486 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
487 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
488 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
489 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
490 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
491 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
492 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
493 |
]. |
223 | 494 |
]. |
495 |
^ javaClass |
|
496 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
497 |
"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
|
498 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
1 | 499 |
! ! |
500 |
||
501 |
!JavaClassReader methodsFor:'file reading'! |
|
502 |
||
54 | 503 |
readClassFileIgnoring:classesbeingLoaded |
7 | 504 |
"reads a class from inStream and returns it. |
38 | 505 |
The JavaClass is not installed as global and its constants |
506 |
(especially strings) may not be fully resolved." |
|
7 | 507 |
|
9 | 508 |
|magic |
38 | 509 |
access_flags this_class this_class_index super_class super_class_index |
510 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
511 |
fields interfaces staticFields nStatic |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
512 |
jSuperClass loader| |
1 | 513 |
|
514 |
"/ |
|
515 |
"/ read magic, determine byte order |
|
516 |
"/ |
|
517 |
msb := true. |
|
344 | 518 |
magic := inStream nextUnsignedLongMSB:true. |
519 |
magic = (self class magic_MSB) ifFalse:[ |
|
520 |
magic = (self class magic_LSB) ifFalse:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
521 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
522 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
523 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
524 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
525 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 526 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
527 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 528 |
]. |
529 |
||
530 |
"/ |
|
531 |
"/ get version |
|
532 |
"/ |
|
128 | 533 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
534 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 535 |
|
344 | 536 |
(majorVsn ~~ (self class fileMajorVersion) |
537 |
or:[minorVsn ~~ (self class fileMinorVersion)]) ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
538 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 539 |
]. |
540 |
||
541 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
542 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
543 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
544 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
545 |
showCR:(minorVsn printString). |
99 | 546 |
]. |
1 | 547 |
|
548 |
"/ |
|
549 |
"/ get constant pool |
|
550 |
"/ |
|
551 |
self readConstantPool. |
|
552 |
||
553 |
"/ |
|
554 |
"/ access flags |
|
555 |
"/ |
|
128 | 556 |
access_flags := inStream nextUnsignedShortMSB:msb. |
557 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
558 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 559 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
560 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
561 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
562 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
563 |
super_class := constants at:super_class_index. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
564 |
existingSuperClass := Java classNamed:super_class fullName. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
565 |
existingSuperClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
566 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
567 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
568 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
569 |
Silent ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
570 |
'load superClass: ' print. super_class fullName printCR. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
571 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
572 |
loader := ClassLoaderQuerySignal raise. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
573 |
loader isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
574 |
existingSuperClass := self class |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
575 |
loadClassLazy:(super_class fullName) |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
576 |
ignoring:classesbeingLoaded. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
577 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
578 |
jSuperClass := loader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
579 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
580 |
with:(Java as_String:(super_class fullName)). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
581 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
582 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
583 |
existingSuperClass isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
584 |
self halt:('cannot find superclass: ' , super_class fullName). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
585 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
586 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
587 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
588 |
self halt:'oops - superclass ?' |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
589 |
] |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
590 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
591 |
]. |
1 | 592 |
|
593 |
"/ |
|
594 |
"/ get interfaces |
|
595 |
"/ |
|
38 | 596 |
interfaces := self readInterfaces. |
1 | 597 |
|
598 |
"/ |
|
599 |
"/ get fields |
|
600 |
"/ |
|
38 | 601 |
fields := self readFieldInfofields. |
40 | 602 |
|
603 |
"/ |
|
604 |
"/ create the fields as instVars |
|
605 |
"/ static fields are created as class-InstVars |
|
606 |
"/ |
|
607 |
staticFields := fields select:[:f | f isStatic]. |
|
608 |
nStatic := staticFields size. |
|
609 |
||
610 |
this_class_ref := constants at:this_class_index. |
|
182 | 611 |
this_class := JavaClass fullName:(this_class_ref fullName) numStatic:nStatic. |
612 |
||
40 | 613 |
nStatic ~~ 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
614 |
fields := fields select:[:f | f isStatic not]. |
40 | 615 |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
616 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
617 |
this_class setStaticFields:staticFields. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
618 |
this_class initializeStaticFields. |
40 | 619 |
]. |
620 |
||
621 |
this_class setAccessFlags:access_flags. |
|
622 |
this_class setSuperclass:super_class. |
|
623 |
this_class setConstantPool:constants. |
|
624 |
||
52 | 625 |
this_class setFields:fields. |
110 | 626 |
this_class setInterfaces:interfaces. |
1 | 627 |
|
628 |
"/ |
|
629 |
"/ get methods |
|
630 |
"/ |
|
38 | 631 |
self readMethodsFor:this_class. |
1 | 632 |
|
5 | 633 |
self readAttributesFor:this_class. |
634 |
||
91 | 635 |
constants owner:this_class. |
636 |
||
5 | 637 |
^ this_class |
638 |
||
1 | 639 |
" |
640 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
641 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 642 |
|
643 |
JavaClassReader verbose:true. |
|
644 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
645 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 646 |
" |
647 |
||
252 | 648 |
"Created: / 15.4.1996 / 15:02:47 / cg" |
344 | 649 |
"Modified: / 7.5.1998 / 19:43:41 / cg" |
1 | 650 |
! |
651 |
||
5 | 652 |
readSourceFileAttributeFor:aJavaClass |
653 |
|attribute_length sourceFile_index sourceFile| |
|
654 |
||
128 | 655 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 656 |
|
128 | 657 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
5 | 658 |
sourceFile := constants at:sourceFile_index. |
659 |
||
660 |
aJavaClass setSourceFile:sourceFile. |
|
661 |
||
61 | 662 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
5 | 663 |
^ true |
664 |
||
665 |
" |
|
666 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
667 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
668 |
" |
|
669 |
||
670 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
671 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
672 |
! |
|
673 |
||
54 | 674 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 675 |
"reads a class from aStream and returns it. |
676 |
The JavaClass is not installed as global" |
|
677 |
||
5 | 678 |
inStream := aStream. |
679 |
inStream binary. |
|
38 | 680 |
|
54 | 681 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 682 |
|
683 |
" |
|
684 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
685 |
" |
|
686 |
||
687 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
688 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
689 |
! ! |
|
690 |
||
691 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
692 |
||
693 |
readAttribute:attributeName for:something |
|
344 | 694 |
"/ implemented ST attributes |
695 |
(attributeName = 'STLiterals') ifTrue:[ |
|
696 |
self readSTLiteralsAttributeFor:something. |
|
697 |
^ self. |
|
698 |
]. |
|
83 | 699 |
|
344 | 700 |
"/ implemented JAVA attributes |
5 | 701 |
(attributeName = 'Code') ifTrue:[ |
333 | 702 |
self readCodeAttributeFor:something. |
703 |
^ self. |
|
5 | 704 |
]. |
83 | 705 |
(attributeName = 'Exceptions') ifTrue:[ |
333 | 706 |
self readExceptionsAttributeFor:something. |
707 |
^ self. |
|
83 | 708 |
]. |
5 | 709 |
(attributeName = 'LineNumberTable') ifTrue:[ |
333 | 710 |
self readLineNumberTableAttributeFor:something. |
711 |
^ self. |
|
5 | 712 |
]. |
713 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
333 | 714 |
self readLocalVariableTableAttributeFor:something. |
715 |
^ self. |
|
5 | 716 |
]. |
717 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
333 | 718 |
self readConstantValueAttributeFor:something. |
719 |
^ self. |
|
5 | 720 |
]. |
721 |
(attributeName = 'SourceFile') ifTrue:[ |
|
333 | 722 |
self readSourceFileAttributeFor:something. |
723 |
^ self. |
|
724 |
]. |
|
725 |
||
344 | 726 |
"/ ignored JAVA attributes |
333 | 727 |
(attributeName = 'Deprecated') ifTrue:[ |
335 | 728 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 729 |
self skipAttribute:attributeName. |
730 |
^ self. |
|
252 | 731 |
]. |
333 | 732 |
(attributeName = 'AbsoluteSourcePath') ifTrue:[ |
335 | 733 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 734 |
self skipAttribute:attributeName. |
735 |
^ self. |
|
736 |
]. |
|
737 |
(attributeName = 'Synthetic') ifTrue:[ |
|
335 | 738 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 739 |
self skipAttribute:attributeName. |
740 |
^ self. |
|
741 |
]. |
|
742 |
(attributeName = 'InnerClasses') ifTrue:[ |
|
335 | 743 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 744 |
self skipAttribute:attributeName. |
745 |
^ self. |
|
5 | 746 |
]. |
83 | 747 |
|
344 | 748 |
"/ unknwon attributes |
335 | 749 |
('JAVA [warning]: unrecognized attribute: ' , attributeName) infoPrintCR. |
333 | 750 |
self skipAttribute:attributeName. |
5 | 751 |
|
344 | 752 |
"Modified: / 7.5.1998 / 11:52:02 / cg" |
5 | 753 |
! |
754 |
||
755 |
readAttributeFor:something |
|
756 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
757 |
||
61 | 758 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 759 |
|
128 | 760 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 761 |
|
762 |
"/ |
|
763 |
"/ UNDOC feature ? |
|
764 |
"/ |
|
765 |
attribute_name_index > constants size ifTrue:[ |
|
333 | 766 |
attribute_name_index == 16rb700 ifTrue:[ |
767 |
self halt. |
|
768 |
] |
|
9 | 769 |
]. |
770 |
||
5 | 771 |
attribute_name := constants at:attribute_name_index. |
9 | 772 |
|
61 | 773 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 774 |
|
333 | 775 |
self readAttribute:attribute_name for:something. |
5 | 776 |
|
777 |
" |
|
778 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
779 |
" |
|
780 |
||
333 | 781 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
782 |
"Modified: / 9.4.1998 / 18:13:34 / cg" |
|
5 | 783 |
! |
784 |
||
785 |
readAttributesFor:something |
|
786 |
|attributes_count| |
|
787 |
||
128 | 788 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 789 |
|
790 |
1 to:attributes_count do:[:i | |
|
252 | 791 |
self readAttributeFor:something. |
5 | 792 |
]. |
793 |
||
794 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
795 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
333 | 796 |
! |
797 |
||
798 |
skipAttribute:attributeName |
|
799 |
"dont know about this attribute - skip it here" |
|
800 |
||
801 |
|attribute_length attribute_info| |
|
802 |
||
803 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
804 |
attribute_info := ByteArray new:(attribute_length). |
|
805 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
806 |
||
807 |
Verbose ifTrue:[Transcript show:'skipped '; show:attributeName; showCR:'-attribute']. |
|
808 |
||
809 |
"Created: / 9.4.1998 / 18:12:46 / cg" |
|
810 |
"Modified: / 9.4.1998 / 18:13:20 / cg" |
|
5 | 811 |
! ! |
812 |
||
813 |
!JavaClassReader methodsFor:'file reading - constants'! |
|
814 |
||
1 | 815 |
readConstant |
816 |
|tag constReader const| |
|
817 |
||
818 |
||
11 | 819 |
constNeeds2Slots := false. |
820 |
||
1 | 821 |
"/ |
822 |
"/ get tag |
|
823 |
"/ |
|
128 | 824 |
tag := inStream nextByte. |
61 | 825 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 826 |
|
827 |
constReader := #( |
|
344 | 828 |
"/ JAVA types |
829 |
readConstant_Asciz "/ 1 - now called Utf8 |
|
830 |
readConstant_Unicode "/ 2 |
|
831 |
readConstant_Integer "/ 3 |
|
832 |
readConstant_Float "/ 4 |
|
833 |
readConstant_Long "/ 5 |
|
834 |
readConstant_Double "/ 6 |
|
835 |
readConstant_Class "/ 7 |
|
836 |
readConstant_String "/ 8 |
|
837 |
readConstant_Fieldref "/ 9 |
|
838 |
readConstant_Methodref "/ 10 |
|
839 |
readConstant_InterfaceMethodref "/ 11 |
|
840 |
readConstant_NameAndType "/ 12 |
|
841 |
||
842 |
"/ ST types |
|
843 |
readConstant_ST_Symbol "/ 255 |
|
844 |
readConstant_ST_Array "/ 254 |
|
845 |
readConstant_ST_ByteArray "/ 253 |
|
846 |
readConstant_ST_String "/ 252 |
|
847 |
readConstant_ST_Character "/ 251 |
|
848 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
1 | 849 |
|
850 |
^ self perform:constReader. |
|
851 |
||
852 |
" |
|
853 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
854 |
" |
|
855 |
||
344 | 856 |
"Created: / 15.4.1996 / 15:46:32 / cg" |
857 |
"Modified: / 7.5.1998 / 11:46:43 / cg" |
|
1 | 858 |
! |
859 |
||
860 |
readConstantPool |
|
11 | 861 |
|constantPoolCount const i| |
1 | 862 |
|
863 |
"/ |
|
864 |
"/ get constant pool |
|
865 |
"/ |
|
128 | 866 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 867 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 868 |
|
91 | 869 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 870 |
|
21 | 871 |
constSlot := 1. |
872 |
[constSlot < constantPoolCount] whileTrue:[ |
|
344 | 873 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
874 |
const := self readConstant. |
|
875 |
constants at:constSlot put:const. |
|
876 |
||
877 |
"/ long & double consts take 2 slots |
|
878 |
"/ (only first is used) |
|
879 |
constNeeds2Slots ifTrue:[ |
|
880 |
constSlot := constSlot + 2. |
|
881 |
] ifFalse:[ |
|
882 |
constSlot := constSlot + 1. |
|
883 |
] |
|
1 | 884 |
]. |
885 |
||
52 | 886 |
constSlot := -1. |
887 |
||
91 | 888 |
"/ preresolve what can be (especially, strings are resolved here) |
889 |
||
1 | 890 |
1 to:constantPoolCount-1 do:[:i | |
344 | 891 |
|const value| |
1 | 892 |
|
344 | 893 |
const := constants at:i. |
894 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
895 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
896 |
value := const preResolve. |
|
897 |
value ~~ const ifTrue:[ |
|
898 |
constants at:i put:value. |
|
899 |
] |
|
900 |
] |
|
901 |
] |
|
1 | 902 |
]. |
903 |
||
904 |
" |
|
905 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
906 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
907 |
" |
|
908 |
||
344 | 909 |
"Created: / 15.4.1996 / 15:14:11 / cg" |
910 |
"Modified: / 7.5.1998 / 11:44:06 / cg" |
|
1 | 911 |
! |
912 |
||
913 |
readConstant_Asciz |
|
914 |
|len string| |
|
915 |
||
128 | 916 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 917 |
string := String new:len. |
918 |
inStream nextBytes:len into:string startingAt:1. |
|
919 |
||
61 | 920 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 921 |
|
922 |
^ string |
|
923 |
||
924 |
" |
|
925 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
926 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
927 |
" |
|
928 |
||
929 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
930 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
931 |
! |
|
932 |
||
933 |
readConstant_Class |
|
52 | 934 |
|name_index name| |
1 | 935 |
|
128 | 936 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 937 |
|
61 | 938 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 939 |
|
52 | 940 |
name := constants at:name_index. |
941 |
name notNil ifTrue:[ |
|
252 | 942 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
943 |
"/ self halt |
|
52 | 944 |
]. |
945 |
||
21 | 946 |
^ JavaUnresolvedClassConstant |
252 | 947 |
pool:constants |
948 |
poolIndex:constSlot |
|
949 |
nameIndex:name_index |
|
91 | 950 |
|
1 | 951 |
" |
952 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
953 |
" |
|
954 |
||
955 |
"Created: 15.4.1996 / 15:21:13 / cg" |
|
193 | 956 |
"Modified: 1.8.1997 / 21:27:28 / cg" |
1 | 957 |
! |
958 |
||
11 | 959 |
readConstant_Double |
960 |
|high low aFloat| |
|
961 |
||
128 | 962 |
high := inStream nextUnsignedLongMSB:msb. |
963 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 964 |
|
965 |
aFloat := Float new. |
|
966 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 967 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
968 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
969 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
970 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
971 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
972 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
973 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
974 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 975 |
] ifFalse:[ |
252 | 976 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
977 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
978 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
979 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
980 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
981 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
982 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
983 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 984 |
]. |
985 |
||
986 |
constNeeds2Slots := true. |
|
987 |
||
61 | 988 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 989 |
^ aFloat |
990 |
||
991 |
" |
|
992 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
993 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
994 |
" |
|
995 |
||
996 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
997 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
998 |
! |
|
999 |
||
1 | 1000 |
readConstant_Fieldref |
1001 |
|class_index name_and_type_index| |
|
1002 |
||
128 | 1003 |
class_index := inStream nextUnsignedShortMSB:msb. |
1004 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1005 |
|
61 | 1006 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
1007 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1008 |
|
91 | 1009 |
^ JavaUnresolvedFieldrefConstant |
252 | 1010 |
pool:constants |
1011 |
poolIndex:constSlot |
|
1012 |
classIndex:class_index |
|
1013 |
nameandTypeIndex:name_and_type_index |
|
1 | 1014 |
|
1015 |
" |
|
1016 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1017 |
" |
|
1018 |
||
1019 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
1020 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
1021 |
! |
|
1022 |
||
11 | 1023 |
readConstant_Float |
1024 |
|high aFloat| |
|
1025 |
||
128 | 1026 |
high := inStream nextUnsignedLongMSB:msb. |
11 | 1027 |
|
1028 |
aFloat := ShortFloat basicNew. |
|
1029 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 1030 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1031 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1032 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1033 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
11 | 1034 |
] ifFalse:[ |
252 | 1035 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
1036 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
|
1037 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
|
1038 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1039 |
]. |
1040 |
||
61 | 1041 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 1042 |
^ aFloat |
1043 |
||
1044 |
" |
|
1045 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1046 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1047 |
" |
|
1048 |
||
1049 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1050 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1051 |
! |
|
1052 |
||
1 | 1053 |
readConstant_Integer |
1054 |
|value| |
|
1055 |
||
128 | 1056 |
value := inStream nextLongMSB:msb. |
1 | 1057 |
|
61 | 1058 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 1059 |
|
1060 |
^ value |
|
1061 |
||
1062 |
" |
|
1063 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1064 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1065 |
" |
|
1066 |
||
1067 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1068 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1069 |
! |
|
1070 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1071 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1072 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1073 |
|
128 | 1074 |
class_index := inStream nextUnsignedShortMSB:msb. |
1075 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1076 |
|
61 | 1077 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1078 |
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
|
1079 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1080 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 1081 |
pool:constants |
1082 |
poolIndex:constSlot |
|
1083 |
classIndex:class_index |
|
1084 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1085 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1086 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1087 |
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
|
1088 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1089 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1090 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1091 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1092 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1093 |
|
11 | 1094 |
readConstant_Long |
1095 |
|high low value| |
|
1096 |
||
128 | 1097 |
high := inStream nextUnsignedLongMSB:msb. |
1098 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1099 |
|
1100 |
value := (high bitShift:32) bitOr:low. |
|
60 | 1101 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 1102 |
value := value - 16r10000000000000000. |
60 | 1103 |
]. |
11 | 1104 |
constNeeds2Slots := true. |
1105 |
||
61 | 1106 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 1107 |
^ value |
1108 |
||
1109 |
" |
|
1110 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1111 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1112 |
" |
|
1113 |
||
1114 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1115 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1116 |
! |
|
1117 |
||
1 | 1118 |
readConstant_Methodref |
1119 |
|class_index name_and_type_index| |
|
1120 |
||
128 | 1121 |
class_index := inStream nextUnsignedShortMSB:msb. |
1122 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1123 |
|
61 | 1124 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1125 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1126 |
|
1127 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1128 |
pool:constants |
1129 |
poolIndex:constSlot |
|
1130 |
classIndex:class_index |
|
1131 |
nameandTypeIndex:name_and_type_index |
|
1 | 1132 |
|
1133 |
" |
|
1134 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1135 |
" |
|
1136 |
||
1137 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1138 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1139 |
! |
|
1140 |
||
91 | 1141 |
readConstant_NameAndType |
1 | 1142 |
|name_index signature_index| |
1143 |
||
128 | 1144 |
name_index := inStream nextUnsignedShortMSB:msb. |
1145 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1146 |
|
61 | 1147 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1148 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1149 |
|
1150 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1151 |
pool:constants |
1152 |
poolIndex:constSlot |
|
1153 |
nameIndex:name_index |
|
1154 |
signatureIndex:signature_index |
|
1 | 1155 |
|
1156 |
" |
|
1157 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1158 |
" |
|
1159 |
||
1160 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1161 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1162 |
! |
|
1163 |
||
1164 |
readConstant_String |
|
344 | 1165 |
|tag string_index chars jString| |
1 | 1166 |
|
128 | 1167 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1168 |
|
61 | 1169 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1170 |
|
344 | 1171 |
"/ resolve here if possible |
1172 |
string_index < constSlot ifTrue:[ |
|
1173 |
Java java_lang_String notNil ifTrue:[ |
|
1174 |
chars := (constants at:string_index). |
|
1175 |
chars isString ifFalse:[ |
|
1176 |
self halt:'should not happen' |
|
1177 |
]. |
|
1178 |
jString := Java as_String:chars. |
|
1179 |
^ jString. |
|
1180 |
] |
|
1181 |
]. |
|
1182 |
||
91 | 1183 |
^ JavaUnresolvedStringConstant |
344 | 1184 |
pool:constants |
1185 |
poolIndex:constSlot |
|
1186 |
stringIndex:string_index |
|
1 | 1187 |
|
1188 |
" |
|
43 | 1189 |
Verbose := true. |
1190 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1191 |
" |
1192 |
||
344 | 1193 |
"Created: / 15.4.1996 / 15:20:33 / cg" |
1194 |
"Modified: / 7.5.1998 / 11:42:45 / cg" |
|
1195 |
! ! |
|
1196 |
||
1197 |
!JavaClassReader methodsFor:'file reading - constants-ST'! |
|
1198 |
||
1199 |
readConstant_ST_Array |
|
1200 |
|aSize arr| |
|
1201 |
||
1202 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1203 |
arr := Array new:aSize. |
|
1204 |
||
1205 |
1 to:aSize do:[:i | |
|
1206 |
|element_index| |
|
1207 |
||
1208 |
element_index := inStream nextUnsignedShortMSB:msb. |
|
1209 |
arr at:i put:element_index. |
|
1210 |
]. |
|
1211 |
Verbose ifTrue:[Transcript show:'array; size= '; showCR:aSize]. |
|
1212 |
||
1213 |
^ JavaUnresolvedSTArrayConstant |
|
1214 |
pool:constants |
|
1215 |
poolIndex:constSlot |
|
1216 |
array:arr |
|
1217 |
||
1218 |
"Created: / 7.5.1998 / 11:47:01 / cg" |
|
1219 |
! |
|
1220 |
||
1221 |
readConstant_ST_ByteArray |
|
1222 |
|aSize arr| |
|
1223 |
||
1224 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1225 |
arr := ByteArray new:aSize. |
|
1226 |
||
1227 |
1 to:aSize do:[:i | |
|
1228 |
|element_index| |
|
1229 |
||
1230 |
arr at:i put:(inStream nextByte). |
|
1231 |
]. |
|
1232 |
Verbose ifTrue:[Transcript show:'byteArray; size= '; showCR:aSize]. |
|
1233 |
||
1234 |
^ arr |
|
1235 |
||
1236 |
"Created: / 7.5.1998 / 11:47:12 / cg" |
|
1237 |
! |
|
1238 |
||
1239 |
readConstant_ST_Character |
|
1240 |
|ascii| |
|
1241 |
||
1242 |
ascii := inStream nextUnsignedShortMSB:msb. |
|
1243 |
||
1244 |
Verbose ifTrue:[Transcript show:'char; ascii= '; showCR:ascii]. |
|
1245 |
^ Character value:ascii |
|
1246 |
||
1247 |
"Created: / 7.5.1998 / 11:48:12 / cg" |
|
1248 |
! |
|
1249 |
||
1250 |
readConstant_ST_String |
|
1251 |
|tag string_index chars| |
|
1252 |
||
1253 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1254 |
||
1255 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
|
1256 |
||
1257 |
"/ resolve here if possible |
|
1258 |
string_index < constSlot ifTrue:[ |
|
1259 |
chars := (constants at:string_index). |
|
1260 |
^ chars |
|
1261 |
]. |
|
1262 |
||
1263 |
^ JavaUnresolvedSTStringConstant |
|
1264 |
pool:constants |
|
1265 |
poolIndex:constSlot |
|
1266 |
stringIndex:string_index |
|
1267 |
||
1268 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
1269 |
"Created: / 7.5.1998 / 11:49:55 / cg" |
|
1270 |
! |
|
1271 |
||
1272 |
readConstant_ST_Symbol |
|
1273 |
|tag string_index chars| |
|
1274 |
||
1275 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1276 |
||
1277 |
Verbose ifTrue:[Transcript show:'symbol; index= '; showCR:string_index]. |
|
1278 |
||
1279 |
"/ resolve here if possible |
|
1280 |
string_index < constSlot ifTrue:[ |
|
1281 |
chars := (constants at:string_index). |
|
1282 |
chars isString ifFalse:[ |
|
1283 |
self halt:'should not happen' |
|
1284 |
]. |
|
1285 |
^ chars asSymbol |
|
1286 |
]. |
|
1287 |
||
1288 |
^ JavaUnresolvedSTSymbolConstant |
|
1289 |
pool:constants |
|
1290 |
poolIndex:constSlot |
|
1291 |
stringIndex:string_index |
|
1292 |
||
1293 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
5 | 1294 |
! ! |
1295 |
||
1296 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1297 |
||
1298 |
readConstantValueAttributeFor:aField |
|
1299 |
|attribute_length constantvalue_index constantValue| |
|
1300 |
||
128 | 1301 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1302 |
|
128 | 1303 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1304 |
constantValue := constants at:constantvalue_index. |
1305 |
||
59 | 1306 |
aField constantValue:constantValue. |
1307 |
||
61 | 1308 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1309 |
^ true |
1310 |
||
1311 |
" |
|
1312 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1313 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1314 |
" |
|
1315 |
||
1316 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1317 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1318 |
! |
1319 |
||
1320 |
readFieldInfofield |
|
5 | 1321 |
|access_flags name_index signature_index attributes_count field| |
1 | 1322 |
|
128 | 1323 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1324 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1325 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1326 |
|
1327 |
field := JavaField new. |
|
1328 |
field setAccessFlags:access_flags. |
|
1329 |
field setName:(constants at:name_index). |
|
1330 |
field setSignature:(constants at:signature_index). |
|
1331 |
||
128 | 1332 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1333 |
|
99 | 1334 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
252 | 1335 |
show:' access: '; show:access_flags; |
1336 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1337 |
|
1 | 1338 |
1 to:attributes_count do:[:i | |
252 | 1339 |
self readAttributeFor:field. |
1 | 1340 |
]. |
1341 |
||
27 | 1342 |
^ field |
1343 |
||
1 | 1344 |
" |
1345 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1346 |
" |
|
1347 |
||
1348 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1349 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
1350 |
! |
|
1351 |
||
1352 |
readFieldInfofields |
|
38 | 1353 |
|nFields fields| |
1 | 1354 |
|
1355 |
"/ |
|
38 | 1356 |
"/ get fieldInfos |
1 | 1357 |
"/ |
128 | 1358 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1359 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1360 |
|
27 | 1361 |
fields := Array new:nFields. |
1362 |
||
1363 |
1 to:nFields do:[:i | |
|
252 | 1364 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1365 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1366 |
]. |
38 | 1367 |
^ fields |
1 | 1368 |
|
1369 |
" |
|
1370 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1371 |
" |
|
1372 |
||
1373 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1374 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1375 |
! ! |
1376 |
||
38 | 1377 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1378 |
||
1379 |
readInterfaces |
|
110 | 1380 |
|interfacesCount interface_index interface interfaces| |
38 | 1381 |
|
1382 |
"/ |
|
1383 |
"/ get interfaces |
|
1384 |
"/ |
|
128 | 1385 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1386 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1387 |
|
1388 |
interfaces := Array new:interfacesCount. |
|
1389 |
||
1390 |
1 to:interfacesCount do:[:i | |
|
252 | 1391 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1392 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1393 |
interface := constants at:interface_index. |
|
38 | 1394 |
|
252 | 1395 |
interfaces at:i put:interface. |
38 | 1396 |
]. |
1397 |
^ interfaces |
|
1398 |
||
1399 |
" |
|
1400 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1401 |
" |
|
1402 |
||
1403 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1404 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1405 |
! ! |
|
1406 |
||
5 | 1407 |
!JavaClassReader methodsFor:'file reading - methods'! |
1408 |
||
1409 |
readCodeAttributeFor:aJavaMethod |
|
1410 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1411 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1412 |
|
128 | 1413 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1414 |
|
9 | 1415 |
|
61 | 1416 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1417 |
|
99 | 1418 |
minorVsn > 2 ifTrue:[ |
252 | 1419 |
unknown1 := inStream nextByte. |
1420 |
max_stack := inStream nextByte. |
|
1421 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1422 |
unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1423 |
Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1424 |
Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1425 |
] ifFalse:[ |
252 | 1426 |
max_stack := inStream nextByte. |
1427 |
max_locals := inStream nextByte. |
|
9 | 1428 |
]. |
1429 |
||
128 | 1430 |
code_length := inStream nextUnsignedShortMSB:msb. |
61 | 1431 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
1432 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
38 | 1433 |
|
5 | 1434 |
code := ByteArray new:code_length. |
1435 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 1436 |
|
61 | 1437 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
9 | 1438 |
|
128 | 1439 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1440 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1441 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1442 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1443 |
|
252 | 1444 |
exception_table := Array new:exception_table_length. |
1445 |
1 to:exception_table_length do:[:i | |
|
1446 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1447 |
|
252 | 1448 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1449 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1450 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1451 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1452 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1453 |
startPC:start_pc |
|
1454 |
endPC:end_pc |
|
1455 |
handlerPC:handler_pc |
|
1456 |
catchType:catch_type). |
|
1457 |
]. |
|
1458 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1459 |
]. |
1460 |
||
29 | 1461 |
aJavaMethod |
252 | 1462 |
setCode:code |
1463 |
maxStack:max_stack |
|
1464 |
maxLocals:max_locals |
|
1465 |
u1:unknown1 |
|
1466 |
u2:unknown2. |
|
5 | 1467 |
|
1468 |
self readAttributesFor:aJavaMethod. |
|
1469 |
^ true |
|
1470 |
||
1 | 1471 |
" |
1472 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1473 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1474 |
" |
1475 |
||
1476 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
5 | 1477 |
"Created: 15.4.1996 / 15:40:17 / cg" |
1478 |
! |
|
1479 |
||
83 | 1480 |
readExceptionsAttributeFor:aJavaMethod |
1481 |
|attribute_length exception_table_length exception_table| |
|
1482 |
||
128 | 1483 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1484 |
|
128 | 1485 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1486 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1487 |
exception_table := Array new:exception_table_length. |
1488 |
1 to:exception_table_length do:[:i | |
|
1489 |
|idx ex| |
|
83 | 1490 |
|
252 | 1491 |
idx := inStream nextUnsignedShortMSB:msb. |
1492 |
ex := constants at:idx. |
|
1493 |
exception_table at:i put:ex. |
|
1494 |
]. |
|
83 | 1495 |
]. |
1496 |
||
1497 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1498 |
||
1499 |
aJavaMethod setExceptionTable:exception_table. |
|
1500 |
^ true |
|
1501 |
||
1502 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1503 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1504 |
! |
|
1505 |
||
5 | 1506 |
readLineNumberTableAttributeFor:aJavaMethod |
1507 |
|attribute_length line_number_table_length line_number_table| |
|
1508 |
||
128 | 1509 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1510 |
|
128 | 1511 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1512 |
line_number_table_length ~~ 0 ifTrue:[ |
330 | 1513 |
line_number_table := Array new:line_number_table_length. |
1514 |
1 to:line_number_table_length do:[:i | |
|
1515 |
|start_pc line_number| |
|
5 | 1516 |
|
330 | 1517 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1518 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1519 |
line_number_table at:i put:(start_pc -> line_number). |
|
1520 |
]. |
|
1521 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
|
1522 |
||
1523 |
aJavaMethod setLineNumberTable:line_number_table. |
|
5 | 1524 |
]. |
1525 |
||
1526 |
^ true |
|
1527 |
||
1528 |
" |
|
1529 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1530 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1531 |
" |
|
1532 |
||
330 | 1533 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
1534 |
"Modified: / 7.4.1998 / 19:08:42 / cg" |
|
1 | 1535 |
! |
1536 |
||
50 | 1537 |
readLocalVariableTableAttributeFor:aJavaMethod |
1538 |
|attribute_length local_variable_table_length local_variable_table| |
|
1539 |
||
128 | 1540 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1541 |
|
128 | 1542 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1543 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1544 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1545 |
1 to:local_variable_table_length do:[:i | |
|
1546 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1547 |
|
252 | 1548 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1549 |
length := inStream nextUnsignedShortMSB:msb. |
|
1550 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1551 |
name := constants at:name_index. |
|
1552 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1553 |
signature := constants at:sig_index. |
|
1554 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1555 |
|
252 | 1556 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1557 |
startPC:start_pc |
|
1558 |
length:length |
|
1559 |
name:name |
|
1560 |
signature:signature |
|
1561 |
slot:slot) |
|
1562 |
]. |
|
50 | 1563 |
]. |
1564 |
||
61 | 1565 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1566 |
|
1567 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1568 |
^ true |
|
1569 |
||
1570 |
" |
|
1571 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1572 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1573 |
" |
|
1574 |
||
1575 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1576 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1577 |
! |
|
1578 |
||
38 | 1579 |
readMethodFor:aJavaClass |
273 | 1580 |
|m access_flags name_index name signature_index signature |
1581 |
tooManyArgs| |
|
1 | 1582 |
|
1583 |
"/ |
|
1584 |
"/ get a method |
|
1585 |
"/ |
|
128 | 1586 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1587 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1588 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1589 |
|
5 | 1590 |
name := constants at:name_index. |
1591 |
signature := constants at:signature_index. |
|
9 | 1592 |
|
61 | 1593 |
Verbose ifTrue:[Transcript show:'method name:'; showCR:name. |
273 | 1594 |
Transcript show:'signature:'; showCR:signature.]. |
9 | 1595 |
|
5 | 1596 |
m := JavaMethod new. |
1597 |
m setAccessFlags:access_flags. |
|
273 | 1598 |
tooManyArgs := false. |
1599 |
Method argumentSignal handle:[:ex | |
|
1600 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1601 |
tooManyArgs := true. |
|
1602 |
ex proceed. |
|
1603 |
] do:[ |
|
1604 |
m setName:name signature:signature. |
|
1605 |
]. |
|
38 | 1606 |
m setJavaClass:aJavaClass. |
5 | 1607 |
|
1608 |
self readAttributesFor:m. |
|
1609 |
||
273 | 1610 |
tooManyArgs ifTrue:[ |
1611 |
m code:nil. |
|
1612 |
m byteCode:nil. |
|
1613 |
]. |
|
38 | 1614 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1615 |
|
1616 |
" |
|
1617 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1618 |
" |
|
1619 |
||
273 | 1620 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
1621 |
"Modified: / 27.1.1998 / 17:46:53 / cg" |
|
1 | 1622 |
! |
1623 |
||
38 | 1624 |
readMethodsFor:aJavaClass |
1 | 1625 |
|methodsCount method| |
1626 |
||
1627 |
||
1628 |
"/ |
|
1629 |
"/ get methods |
|
1630 |
"/ |
|
128 | 1631 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 1632 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1633 |
|
1634 |
1 to:methodsCount do:[:i | |
|
252 | 1635 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
1636 |
method := self readMethodFor:aJavaClass |
|
1 | 1637 |
]. |
1638 |
||
1639 |
" |
|
1640 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1641 |
" |
|
1642 |
||
1643 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1644 |
"Created: 15.4.1996 / 16:46:30 / cg" |
|
1645 |
! ! |
|
1646 |
||
344 | 1647 |
!JavaClassReader methodsFor:'file reading - methods-ST'! |
1648 |
||
1649 |
readSTLiteralsAttributeFor:aSmalltalkMethod |
|
1650 |
||
1651 |
"Created: / 7.5.1998 / 11:52:28 / cg" |
|
1652 |
"Modified: / 7.5.1998 / 11:52:45 / cg" |
|
1653 |
! ! |
|
1654 |
||
135 | 1655 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 1656 |
|
1657 |
version |
|
344 | 1658 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.61 1998/05/07 17:44:00 cg Exp $' |
1 | 1659 |
! ! |
1660 |
JavaClassReader initialize! |