author | cg |
Fri, 18 Sep 1998 14:34:43 +0000 | |
changeset 370 | 2a2e5914ee22 |
parent 366 | 42a5f6d73925 |
child 376 | ffd6472dbf91 |
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:$.) ifTrue:[ |
|
360 | 145 |
clsName := clsName asString copyReplaceAll:$. 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 | |
365 | 168 |
|nm p zar entry zipFile| |
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:[ |
|
370 | 188 |
((zipFile := p asFilename withSuffix:'jar') exists |
189 |
or:[(zipFile := p asFilename withSuffix:'zip') exists]) ifTrue:[ |
|
365 | 190 |
zar := ZipArchive oldFileNamed:zipFile. |
327 | 191 |
(Array |
192 |
with:clsName |
|
193 |
with:clsName asLowercase |
|
194 |
with:clsName asUppercase) |
|
195 |
do:[:tryName | |
|
196 |
nm := tryName , '.class'. |
|
197 |
entry := zar extract:nm. |
|
198 |
entry notNil ifTrue:[ |
|
199 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
200 |
rslt := self loadStreamLazy:(entry readStream) ignoring:loadedClass. |
|
201 |
rslt notNil ifTrue:[^ rslt]. |
|
202 |
] |
|
203 |
] |
|
278 | 204 |
] |
327 | 205 |
] |
278 | 206 |
] |
38 | 207 |
]. |
208 |
||
318 | 209 |
('JAVA [info]: no file found for: ' , clsName) infoPrintCR. |
91 | 210 |
^ nil |
135 | 211 |
|
252 | 212 |
"Modified: / 14.8.1997 / 11:38:42 / stefan" |
370 | 213 |
"Modified: / 17.9.1998 / 20:51:25 / cg" |
38 | 214 |
! |
215 |
||
7 | 216 |
loadFile:aFilename |
43 | 217 |
"reads a class from aFilename, installs and returns it. |
218 |
The classes strings are fixed and its class-init function is called." |
|
219 |
||
54 | 220 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 221 |
self postLoadActions |
222 |
! |
|
223 |
||
54 | 224 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 225 |
"reads a class from aFilename, installs and returns it. |
91 | 226 |
Strings are fixed and classrefs are fixed, |
227 |
but NO no class-init functions are called." |
|
7 | 228 |
|
353 | 229 |
|aClass pool| |
7 | 230 |
|
353 | 231 |
aClass := self readFile:aFilename ignoring:classesBeingLoaded. |
232 |
aClass notNil ifTrue:[ |
|
233 |
aClass isJavaClass ifTrue:[ |
|
350 | 234 |
"/ a java class |
353 | 235 |
Java at:(aClass fullName asSymbol) put:aClass. |
350 | 236 |
|
353 | 237 |
classesBeingLoaded remove:aClass fullName ifAbsent:nil. |
21 | 238 |
|
353 | 239 |
JavaUnresolvedConstant resolveFor:aClass. |
350 | 240 |
] ifFalse:[ |
241 |
"/ a smalltalk class |
|
353 | 242 |
"/ self halt. |
243 |
aClass inspect. |
|
350 | 244 |
] |
7 | 245 |
]. |
353 | 246 |
^ aClass |
7 | 247 |
|
248 |
" |
|
249 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 250 |
|
251 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
350 | 252 |
directoryContents do:[:nm | |
253 |
(nm endsWith:'.class') ifTrue:[ |
|
254 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
255 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
256 |
] |
|
257 |
]. |
|
9 | 258 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
259 |
'/phys/ibm3/java/lib/java/io' asFilename |
350 | 260 |
directoryContents do:[:nm | |
261 |
(nm endsWith:'.class') ifTrue:[ |
|
262 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
263 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , 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/net' asFilename |
350 | 268 |
directoryContents do:[:nm | |
269 |
(nm endsWith:'.class') ifTrue:[ |
|
270 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
271 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , 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/util' asFilename |
350 | 276 |
directoryContents do:[:nm | |
277 |
(nm endsWith:'.class') ifTrue:[ |
|
278 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
279 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , 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/awt' asFilename |
350 | 284 |
directoryContents do:[:nm | |
285 |
(nm endsWith:'.class') ifTrue:[ |
|
286 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
287 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
288 |
] |
|
289 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
290 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
291 |
'/phys/ibm3/java/lib/java/applet' asFilename |
350 | 292 |
directoryContents do:[:nm | |
293 |
(nm endsWith:'.class') ifTrue:[ |
|
294 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
295 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
296 |
] |
|
297 |
]. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
298 |
|
9 | 299 |
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
|
300 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 301 |
" |
302 |
||
350 | 303 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
353 | 304 |
"Modified: / 12.5.1998 / 22:06:52 / cg" |
7 | 305 |
! |
306 |
||
327 | 307 |
loadStreamLazy:aStream ignoring:classesBeingLoaded |
308 |
"reads a class from aStream, installs and returns it. |
|
309 |
Strings are fixed and classrefs are fixed, |
|
310 |
but NO no class-init functions are called." |
|
311 |
||
312 |
|javaClass pool| |
|
313 |
||
314 |
javaClass := self readStream:aStream ignoring:classesBeingLoaded. |
|
315 |
javaClass notNil ifTrue:[ |
|
316 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
|
317 |
||
318 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
319 |
||
320 |
JavaUnresolvedConstant resolveFor:javaClass. |
|
321 |
]. |
|
322 |
^ javaClass |
|
323 |
||
324 |
"Created: / 30.3.1998 / 17:59:02 / cg" |
|
325 |
! |
|
326 |
||
43 | 327 |
postLoadActions |
328 |
"Resolve all classes' string constants. |
|
329 |
Perform all class initialization functions (of those which are not |
|
330 |
yet initialized)." |
|
331 |
||
225 | 332 |
^ self postLoadActions:true |
333 |
||
334 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
335 |
! |
|
336 |
||
337 |
postLoadActions:loadUnresolved |
|
338 |
"Resolve all classes' string constants. |
|
252 | 339 |
Perform all class initialization functions |
340 |
(of those which are not yet initialized)." |
|
225 | 341 |
|
223 | 342 |
|classes prevUnresolved newUnresolved loader| |
43 | 343 |
|
91 | 344 |
"/ need at least java.lang.String, for valid constants |
167 | 345 |
Java java_lang_String isNil ifTrue:[ |
255 | 346 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 347 |
]. |
348 |
||
91 | 349 |
LazyClassLoading ifFalse:[ |
255 | 350 |
loader := ClassLoaderQuerySignal raise. |
351 |
||
352 |
prevUnresolved := nil. |
|
353 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
354 |
loadUnresolved ifTrue:[ |
|
355 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
356 |
newUnresolved do:[:nextUnresolved | |
|
357 |
|classURL| |
|
223 | 358 |
|
255 | 359 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
360 |
Silent ifFalse:[ |
|
361 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
362 |
]. |
|
363 |
loader isNil ifTrue:[ |
|
364 |
self |
|
365 |
loadClassLazy:nextUnresolved |
|
366 |
ignoring:(Set new). |
|
367 |
] ifFalse:[ |
|
368 |
"/ |
|
369 |
"/ the aquired loader is a javaClassLoader |
|
370 |
"/ which expects an URL as arg. |
|
371 |
"/ |
|
372 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
373 |
"/ loader loadClass:classURL |
|
374 |
loader |
|
375 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
376 |
with:(Java as_String:(nextUnresolved asString)). |
|
377 |
] |
|
378 |
] |
|
379 |
]. |
|
380 |
prevUnresolved := newUnresolved. |
|
381 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
382 |
]. |
|
383 |
]. |
|
229 | 384 |
|
255 | 385 |
newUnresolved size == 0 ifTrue:[ |
386 |
"/ nothing unresolved |
|
91 | 387 |
|
255 | 388 |
(classes := Java allClasses) notNil ifTrue:[ |
389 |
"/ init all new classes |
|
390 |
"/ fetch again - there could be new ones ... |
|
91 | 391 |
|
255 | 392 |
classes := Java allClasses. |
393 |
classes do:[:aJavaClass | |
|
394 |
aJavaClass isInitialized ifFalse:[ |
|
395 |
Silent ifFalse:[ |
|
396 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
397 |
]. |
|
398 |
aJavaClass classInit |
|
399 |
] |
|
400 |
] |
|
401 |
] |
|
402 |
]. |
|
43 | 403 |
] |
167 | 404 |
|
252 | 405 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
255 | 406 |
"Modified: / 7.1.1998 / 14:13:55 / cg" |
43 | 407 |
! |
408 |
||
54 | 409 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 410 |
"reads a class from aFilename and returns it. |
91 | 411 |
The JavaClass is NOT installed as global and unresolved |
412 |
refs are NOT patched." |
|
7 | 413 |
|
73 | 414 |
|inStream javaClass| |
1 | 415 |
|
43 | 416 |
Silent ifFalse:[ |
318 | 417 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 418 |
]. |
21 | 419 |
|
1 | 420 |
inStream := aFilename asFilename readStream. |
91 | 421 |
inStream isNil ifTrue:[ |
318 | 422 |
('JAVA [info]: no file: ' , aFilename) printCR. |
423 |
self halt. |
|
424 |
^ nil |
|
91 | 425 |
]. |
426 |
||
427 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
350 | 428 |
(javaClass notNil and:[javaClass isJavaClass]) ifTrue:[ |
318 | 429 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 430 |
]. |
1 | 431 |
inStream close. |
27 | 432 |
|
91 | 433 |
AbsolutelySilent ifFalse:[ |
318 | 434 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 435 |
]. |
27 | 436 |
|
73 | 437 |
^ javaClass |
1 | 438 |
|
318 | 439 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
350 | 440 |
"Modified: / 9.5.1998 / 01:44:24 / cg" |
1 | 441 |
! |
442 |
||
198 | 443 |
readStream:aStream |
444 |
"reads a class from aStream and returns it. |
|
223 | 445 |
The JavaClass is installed as global. |
446 |
If new classes are required to be loaded, a new standard loader |
|
447 |
is created." |
|
198 | 448 |
|
223 | 449 |
^ self readStream:aStream loader:nil |
198 | 450 |
|
223 | 451 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 452 |
! |
453 |
||
54 | 454 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 455 |
"reads a class from aStream and returns it. |
456 |
The JavaClass is not installed as global" |
|
457 |
||
327 | 458 |
|javaClass| |
459 |
||
460 |
javaClass := self new readStream:aStream ignoring:classesBeingLoaded. |
|
1 | 461 |
|
327 | 462 |
AbsolutelySilent ifFalse:[ |
463 |
' ... loaded ' print. javaClass displayString printNL. |
|
464 |
]. |
|
1 | 465 |
|
327 | 466 |
^ javaClass |
467 |
||
468 |
"Modified: / 30.3.1998 / 18:14:40 / cg" |
|
223 | 469 |
! |
470 |
||
471 |
readStream:aStream loader:aClassLoader |
|
472 |
"reads a class from aStream and returns it. |
|
473 |
The JavaClass is installed as global. |
|
474 |
If new classes are required to be loaded, aClassLoader is |
|
475 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
476 |
is created." |
|
477 |
||
225 | 478 |
^ self |
252 | 479 |
readStream:aStream |
480 |
loader:aClassLoader |
|
481 |
loadUnresolved:true |
|
225 | 482 |
|
483 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
484 |
! |
|
485 |
||
486 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
487 |
"reads a class from aStream and returns it. |
|
488 |
The JavaClass is installed as global. |
|
489 |
If new classes are required to be loaded, aClassLoader is |
|
490 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
491 |
is created." |
|
492 |
||
223 | 493 |
|javaClass| |
494 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
495 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
496 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
497 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
498 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
499 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
500 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
501 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
502 |
]. |
223 | 503 |
]. |
504 |
^ javaClass |
|
505 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
506 |
"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
|
507 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
1 | 508 |
! ! |
509 |
||
510 |
!JavaClassReader methodsFor:'file reading'! |
|
511 |
||
54 | 512 |
readClassFileIgnoring:classesbeingLoaded |
7 | 513 |
"reads a class from inStream and returns it. |
38 | 514 |
The JavaClass is not installed as global and its constants |
515 |
(especially strings) may not be fully resolved." |
|
7 | 516 |
|
9 | 517 |
|magic |
38 | 518 |
access_flags this_class this_class_index super_class super_class_index |
519 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
520 |
fields interfaces staticFields nStatic |
353 | 521 |
jSuperClass loader superClassName thisClassName existing_class |
522 |
thisMetaClass| |
|
1 | 523 |
|
524 |
"/ |
|
525 |
"/ read magic, determine byte order |
|
526 |
"/ |
|
527 |
msb := true. |
|
344 | 528 |
magic := inStream nextUnsignedLongMSB:true. |
529 |
magic = (self class magic_MSB) ifFalse:[ |
|
530 |
magic = (self class magic_LSB) ifFalse:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
531 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
532 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
533 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
534 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
535 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 536 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
537 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 538 |
]. |
539 |
||
540 |
"/ |
|
541 |
"/ get version |
|
542 |
"/ |
|
128 | 543 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
544 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 545 |
|
344 | 546 |
(majorVsn ~~ (self class fileMajorVersion) |
547 |
or:[minorVsn ~~ (self class fileMinorVersion)]) ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
548 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 549 |
]. |
550 |
||
551 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
552 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
553 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
554 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
555 |
showCR:(minorVsn printString). |
99 | 556 |
]. |
1 | 557 |
|
558 |
"/ |
|
559 |
"/ get constant pool |
|
560 |
"/ |
|
561 |
self readConstantPool. |
|
562 |
||
563 |
"/ |
|
564 |
"/ access flags |
|
565 |
"/ |
|
128 | 566 |
access_flags := inStream nextUnsignedShortMSB:msb. |
567 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
568 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 569 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
570 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
571 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
572 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
573 |
super_class := constants at:super_class_index. |
350 | 574 |
superClassName := super_class fullName. |
575 |
||
576 |
"/ special for ST-classes |
|
577 |
(superClassName startsWith:'smalltalk.') ifTrue:[ |
|
578 |
"/ a Smalltalk class |
|
579 |
superClassName := superClassName copyFrom:11. |
|
580 |
existingSuperClass := Smalltalk at:superClassName asSymbol. |
|
581 |
existingSuperClass notNil ifTrue:[ |
|
582 |
super_class := existingSuperClass |
|
583 |
] ifFalse:[ |
|
584 |
"/ self halt - must load superclass ... |
|
585 |
] |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
586 |
] ifFalse:[ |
350 | 587 |
"/ a JAVA class |
588 |
existingSuperClass := Java classNamed:superClassName. |
|
589 |
existingSuperClass notNil ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
590 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
591 |
] ifFalse:[ |
350 | 592 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
593 |
Silent ifFalse:[ |
|
594 |
'load superClass: ' print. superClassName printCR. |
|
595 |
]. |
|
596 |
loader := ClassLoaderQuerySignal raise. |
|
597 |
loader isNil ifTrue:[ |
|
598 |
existingSuperClass := self class |
|
599 |
loadClassLazy:superClassName |
|
600 |
ignoring:classesbeingLoaded. |
|
601 |
] ifFalse:[ |
|
602 |
jSuperClass := loader |
|
603 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
604 |
with:(Java as_String:superClassName). |
|
605 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
|
606 |
]. |
|
607 |
existingSuperClass isNil ifTrue:[ |
|
608 |
self halt:('cannot find superclass: ' , superClassName). |
|
609 |
]. |
|
610 |
super_class := existingSuperClass |
|
611 |
] ifFalse:[ |
|
612 |
self halt:'oops - superclass ?' |
|
613 |
] |
|
614 |
]. |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
615 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
616 |
]. |
1 | 617 |
|
618 |
"/ |
|
619 |
"/ get interfaces |
|
620 |
"/ |
|
38 | 621 |
interfaces := self readInterfaces. |
1 | 622 |
|
623 |
"/ |
|
624 |
"/ get fields |
|
625 |
"/ |
|
38 | 626 |
fields := self readFieldInfofields. |
40 | 627 |
|
628 |
"/ |
|
629 |
"/ create the fields as instVars |
|
630 |
"/ static fields are created as class-InstVars |
|
631 |
"/ |
|
632 |
staticFields := fields select:[:f | f isStatic]. |
|
633 |
nStatic := staticFields size. |
|
634 |
||
635 |
this_class_ref := constants at:this_class_index. |
|
350 | 636 |
thisClassName := this_class_ref fullName. |
637 |
||
638 |
"/ care for smalltalk classes ... |
|
639 |
(thisClassName startsWith:'smalltalk.') ifTrue:[ |
|
640 |
thisClassName := thisClassName copyFrom:11. |
|
182 | 641 |
|
350 | 642 |
existing_class := Smalltalk at:thisClassName asSymbol. |
643 |
existing_class notNil ifTrue:[ |
|
355 | 644 |
self halt:('overloading existing class: ', thisClassName). |
645 |
thisClassName := (thisClassName , '_new') asSymbol. |
|
350 | 646 |
]. |
353 | 647 |
thisMetaClass := Metaclass new. |
648 |
thisMetaClass setSuperclass:super_class class. |
|
355 | 649 |
thisMetaClass instSize:(super_class class instSize + nStatic). |
353 | 650 |
|
651 |
this_class := thisMetaClass new. |
|
350 | 652 |
this_class setSuperclass:super_class. |
653 |
this_class setName:thisClassName asSymbol. |
|
654 |
] ifFalse:[ |
|
655 |
"/ a java class |
|
656 |
||
657 |
this_class := JavaClass fullName:thisClassName numStatic:nStatic. |
|
40 | 658 |
|
350 | 659 |
nStatic ~~ 0 ifTrue:[ |
660 |
fields := fields select:[:f | f isStatic not]. |
|
661 |
||
662 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
|
663 |
this_class setStaticFields:staticFields. |
|
664 |
this_class initializeStaticFields. |
|
665 |
]. |
|
40 | 666 |
|
350 | 667 |
this_class setAccessFlags:access_flags. |
668 |
this_class setSuperclass:super_class. |
|
669 |
this_class setConstantPool:constants. |
|
40 | 670 |
|
350 | 671 |
this_class setFields:fields. |
672 |
this_class setInterfaces:interfaces. |
|
673 |
||
674 |
constants owner:this_class. |
|
675 |
]. |
|
1 | 676 |
|
677 |
"/ |
|
678 |
"/ get methods |
|
679 |
"/ |
|
38 | 680 |
self readMethodsFor:this_class. |
1 | 681 |
|
5 | 682 |
self readAttributesFor:this_class. |
683 |
||
684 |
^ this_class |
|
685 |
||
1 | 686 |
" |
355 | 687 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
688 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
689 |
JavaClassReader loadFile:'foo.cls' |
|
9 | 690 |
|
691 |
JavaClassReader verbose:true. |
|
355 | 692 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
693 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 694 |
" |
695 |
||
252 | 696 |
"Created: / 15.4.1996 / 15:02:47 / cg" |
355 | 697 |
"Modified: / 13.5.1998 / 14:35:20 / cg" |
5 | 698 |
! |
699 |
||
54 | 700 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 701 |
"reads a class from aStream and returns it. |
702 |
The JavaClass is not installed as global" |
|
703 |
||
5 | 704 |
inStream := aStream. |
705 |
inStream binary. |
|
38 | 706 |
|
54 | 707 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 708 |
|
709 |
" |
|
710 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
711 |
" |
|
712 |
||
713 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
714 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
715 |
! ! |
|
716 |
||
717 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
718 |
||
719 |
readAttribute:attributeName for:something |
|
344 | 720 |
"/ implemented ST attributes |
721 |
(attributeName = 'STLiterals') ifTrue:[ |
|
722 |
self readSTLiteralsAttributeFor:something. |
|
723 |
^ self. |
|
724 |
]. |
|
350 | 725 |
(attributeName = 'ClassRevision') ifTrue:[ |
726 |
self readSTClassRevisionAttributeFor:something. |
|
727 |
^ self. |
|
728 |
]. |
|
729 |
(attributeName = 'ClassPackage') ifTrue:[ |
|
730 |
self readSTClassPackageAttributeFor:something. |
|
348 | 731 |
^ self. |
732 |
]. |
|
350 | 733 |
(attributeName = 'ClassCategory') ifTrue:[ |
734 |
self readSTClassCategoryAttributeFor:something. |
|
735 |
^ self. |
|
736 |
]. |
|
353 | 737 |
(attributeName = 'ClassVarNames') ifTrue:[ |
738 |
self readSTClassVarNamesAttributeFor:something. |
|
739 |
^ self. |
|
740 |
]. |
|
741 |
(attributeName = 'ClassInstVarNames') ifTrue:[ |
|
742 |
self readSTClassInstVarNamesAttributeFor:something. |
|
743 |
^ self. |
|
744 |
]. |
|
745 |
(attributeName = 'InstVarNames') ifTrue:[ |
|
746 |
self readSTInstVarNamesAttributeFor:something. |
|
747 |
^ self. |
|
748 |
]. |
|
749 |
(attributeName = 'STCode') ifTrue:[ |
|
357 | 750 |
self readSTCodeAttributeFor:something. |
751 |
^ self. |
|
752 |
]. |
|
753 |
(attributeName = 'MethodCategory') ifTrue:[ |
|
754 |
self readSTMethodCategoryAttributeFor:something. |
|
353 | 755 |
^ self. |
756 |
]. |
|
83 | 757 |
|
344 | 758 |
"/ implemented JAVA attributes |
5 | 759 |
(attributeName = 'Code') ifTrue:[ |
333 | 760 |
self readCodeAttributeFor:something. |
761 |
^ self. |
|
5 | 762 |
]. |
83 | 763 |
(attributeName = 'Exceptions') ifTrue:[ |
333 | 764 |
self readExceptionsAttributeFor:something. |
765 |
^ self. |
|
83 | 766 |
]. |
5 | 767 |
(attributeName = 'LineNumberTable') ifTrue:[ |
333 | 768 |
self readLineNumberTableAttributeFor:something. |
769 |
^ self. |
|
5 | 770 |
]. |
771 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
333 | 772 |
self readLocalVariableTableAttributeFor:something. |
773 |
^ self. |
|
5 | 774 |
]. |
775 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
333 | 776 |
self readConstantValueAttributeFor:something. |
777 |
^ self. |
|
5 | 778 |
]. |
779 |
(attributeName = 'SourceFile') ifTrue:[ |
|
333 | 780 |
self readSourceFileAttributeFor:something. |
781 |
^ self. |
|
782 |
]. |
|
783 |
||
344 | 784 |
"/ ignored JAVA attributes |
333 | 785 |
(attributeName = 'Deprecated') ifTrue:[ |
366 | 786 |
"/ ('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 787 |
self skipAttribute:attributeName. |
788 |
^ self. |
|
252 | 789 |
]. |
333 | 790 |
(attributeName = 'AbsoluteSourcePath') ifTrue:[ |
335 | 791 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 792 |
self skipAttribute:attributeName. |
793 |
^ self. |
|
794 |
]. |
|
795 |
(attributeName = 'Synthetic') ifTrue:[ |
|
335 | 796 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 797 |
self skipAttribute:attributeName. |
798 |
^ self. |
|
799 |
]. |
|
800 |
(attributeName = 'InnerClasses') ifTrue:[ |
|
335 | 801 |
('JAVA [info]: unhandled attribute: ' , attributeName) infoPrintCR. |
333 | 802 |
self skipAttribute:attributeName. |
803 |
^ self. |
|
5 | 804 |
]. |
83 | 805 |
|
355 | 806 |
"/ unknown attributes |
335 | 807 |
('JAVA [warning]: unrecognized attribute: ' , attributeName) infoPrintCR. |
333 | 808 |
self skipAttribute:attributeName. |
5 | 809 |
|
366 | 810 |
"Modified: / 20.8.1998 / 03:27:24 / cg" |
5 | 811 |
! |
812 |
||
813 |
readAttributeFor:something |
|
814 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
815 |
||
61 | 816 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 817 |
|
128 | 818 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 819 |
|
820 |
"/ |
|
821 |
"/ UNDOC feature ? |
|
822 |
"/ |
|
823 |
attribute_name_index > constants size ifTrue:[ |
|
333 | 824 |
attribute_name_index == 16rb700 ifTrue:[ |
825 |
self halt. |
|
826 |
] |
|
9 | 827 |
]. |
828 |
||
5 | 829 |
attribute_name := constants at:attribute_name_index. |
9 | 830 |
|
61 | 831 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 832 |
|
333 | 833 |
self readAttribute:attribute_name for:something. |
5 | 834 |
|
835 |
" |
|
836 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
837 |
" |
|
838 |
||
333 | 839 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
840 |
"Modified: / 9.4.1998 / 18:13:34 / cg" |
|
5 | 841 |
! |
842 |
||
843 |
readAttributesFor:something |
|
844 |
|attributes_count| |
|
845 |
||
128 | 846 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 847 |
|
848 |
1 to:attributes_count do:[:i | |
|
252 | 849 |
self readAttributeFor:something. |
5 | 850 |
]. |
851 |
||
852 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
853 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
333 | 854 |
! |
855 |
||
353 | 856 |
readSourceFileAttributeFor:aClass |
350 | 857 |
|attribute_length sourceFile_index sourceFile| |
858 |
||
859 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
860 |
||
861 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
|
862 |
sourceFile := constants at:sourceFile_index. |
|
863 |
||
353 | 864 |
aClass isJavaClass ifTrue:[ |
865 |
aClass setSourceFile:sourceFile. |
|
866 |
] ifFalse:[ |
|
867 |
aClass setClassFilename:sourceFile |
|
868 |
]. |
|
350 | 869 |
|
870 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
|
871 |
^ true |
|
872 |
||
873 |
" |
|
874 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
875 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
876 |
JavaClassReader loadFile:'foo.cls' |
|
877 |
" |
|
878 |
||
879 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
|
353 | 880 |
"Modified: / 12.5.1998 / 22:01:07 / cg" |
350 | 881 |
! |
882 |
||
333 | 883 |
skipAttribute:attributeName |
884 |
"dont know about this attribute - skip it here" |
|
885 |
||
886 |
|attribute_length attribute_info| |
|
887 |
||
888 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
889 |
attribute_info := ByteArray new:(attribute_length). |
|
890 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
891 |
||
892 |
Verbose ifTrue:[Transcript show:'skipped '; show:attributeName; showCR:'-attribute']. |
|
893 |
||
894 |
"Created: / 9.4.1998 / 18:12:46 / cg" |
|
895 |
"Modified: / 9.4.1998 / 18:13:20 / cg" |
|
5 | 896 |
! ! |
897 |
||
350 | 898 |
!JavaClassReader methodsFor:'file reading - attributes-ST'! |
899 |
||
900 |
readSTClassCategoryAttributeFor:aClass |
|
901 |
|attribute_length categoryString_index categoryString| |
|
902 |
||
903 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
904 |
||
905 |
categoryString_index := inStream nextUnsignedShortMSB:msb. |
|
906 |
categoryString := constants at:categoryString_index. |
|
907 |
||
908 |
aClass category:categoryString. |
|
909 |
||
910 |
Verbose ifTrue:[Transcript show:'categoryString: '; showCR:categoryString]. |
|
911 |
^ true |
|
912 |
||
913 |
" |
|
914 |
JavaClassReader loadFile:'foo.cls' |
|
915 |
" |
|
916 |
||
917 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
918 |
"Modified: / 9.5.1998 / 02:36:55 / cg" |
|
919 |
! |
|
920 |
||
353 | 921 |
readSTClassInstVarNamesAttributeFor:aClass |
922 |
|attribute_length nameString_index nameString| |
|
923 |
||
924 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
925 |
||
926 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
927 |
nameString := constants at:nameString_index. |
|
928 |
||
929 |
aClass class instanceVariableString:nameString. |
|
930 |
||
931 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
932 |
^ true |
|
933 |
||
934 |
" |
|
935 |
JavaClassReader loadFile:'foo.cls' |
|
936 |
" |
|
937 |
||
938 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
939 |
"Created: / 12.5.1998 / 22:18:24 / cg" |
|
940 |
! |
|
941 |
||
350 | 942 |
readSTClassPackageAttributeFor:aClass |
943 |
|attribute_length packageString_index packageString| |
|
944 |
||
945 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
946 |
||
947 |
packageString_index := inStream nextUnsignedShortMSB:msb. |
|
948 |
packageString := constants at:packageString_index. |
|
949 |
||
950 |
aClass package:packageString asSymbol. |
|
951 |
||
952 |
Verbose ifTrue:[Transcript show:'packageString: '; showCR:packageString]. |
|
953 |
^ true |
|
954 |
||
955 |
" |
|
956 |
JavaClassReader loadFile:'foo.cls' |
|
957 |
" |
|
958 |
||
959 |
"Modified: / 9.5.1998 / 02:32:38 / cg" |
|
960 |
"Created: / 9.5.1998 / 02:33:44 / cg" |
|
961 |
! |
|
962 |
||
963 |
readSTClassRevisionAttributeFor:aClass |
|
964 |
|attribute_length revisionString_index revisionString| |
|
965 |
||
966 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
967 |
||
968 |
revisionString_index := inStream nextUnsignedShortMSB:msb. |
|
969 |
revisionString := constants at:revisionString_index. |
|
970 |
||
971 |
aClass setBinaryRevision:revisionString. |
|
972 |
||
973 |
Verbose ifTrue:[Transcript show:'revisionString: '; showCR:revisionString]. |
|
974 |
^ true |
|
975 |
||
976 |
" |
|
977 |
JavaClassReader loadFile:'foo.cls' |
|
978 |
" |
|
979 |
||
980 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
981 |
"Modified: / 9.5.1998 / 02:35:01 / cg" |
|
353 | 982 |
! |
983 |
||
984 |
readSTClassVarNamesAttributeFor:aClass |
|
985 |
|attribute_length nameString_index nameString| |
|
986 |
||
987 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
988 |
||
989 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
990 |
nameString := constants at:nameString_index. |
|
991 |
||
992 |
aClass classVariableString:nameString. |
|
993 |
||
994 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
995 |
^ true |
|
996 |
||
997 |
" |
|
998 |
JavaClassReader loadFile:'foo.cls' |
|
999 |
" |
|
1000 |
||
1001 |
"Created: / 9.5.1998 / 02:33:13 / cg" |
|
1002 |
"Modified: / 12.5.1998 / 22:18:03 / cg" |
|
1003 |
! |
|
1004 |
||
1005 |
readSTInstVarNamesAttributeFor:aClass |
|
1006 |
|attribute_length nameString_index nameString| |
|
1007 |
||
1008 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1009 |
||
1010 |
nameString_index := inStream nextUnsignedShortMSB:msb. |
|
1011 |
nameString := constants at:nameString_index. |
|
1012 |
||
1013 |
aClass setInstanceVariableString:nameString. |
|
1014 |
||
1015 |
Verbose ifTrue:[Transcript show:'nameString: '; showCR:nameString]. |
|
1016 |
^ true |
|
1017 |
||
1018 |
" |
|
1019 |
JavaClassReader loadFile:'foo.cls' |
|
1020 |
" |
|
1021 |
||
1022 |
"Created: / 12.5.1998 / 22:18:14 / cg" |
|
1023 |
"Modified: / 12.5.1998 / 22:21:10 / cg" |
|
350 | 1024 |
! ! |
1025 |
||
5 | 1026 |
!JavaClassReader methodsFor:'file reading - constants'! |
1027 |
||
1 | 1028 |
readConstant |
1029 |
|tag constReader const| |
|
1030 |
||
1031 |
||
11 | 1032 |
constNeeds2Slots := false. |
1033 |
||
1 | 1034 |
"/ |
1035 |
"/ get tag |
|
1036 |
"/ |
|
128 | 1037 |
tag := inStream nextByte. |
61 | 1038 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 1039 |
|
350 | 1040 |
tag >= 250 ifTrue:[ |
1041 |
constReader := #( |
|
1042 |
"/ ST types |
|
1043 |
readConstant_ST_Large "/ 249 |
|
1044 |
readConstant_ST_Special "/ 250 |
|
1045 |
readConstant_ST_Character "/ 251 |
|
1046 |
readConstant_ST_ByteArray "/ 252 |
|
1047 |
readConstant_ST_Array "/ 253 |
|
1048 |
readConstant_ST_Symbol "/ 254 |
|
1049 |
readConstant_ST_Reserved "/ 255 |
|
1050 |
) at:tag-249+1. |
|
1051 |
] ifFalse:[ |
|
1052 |
constReader := #( |
|
344 | 1053 |
"/ JAVA types |
1054 |
readConstant_Asciz "/ 1 - now called Utf8 |
|
1055 |
readConstant_Unicode "/ 2 |
|
1056 |
readConstant_Integer "/ 3 |
|
1057 |
readConstant_Float "/ 4 |
|
1058 |
readConstant_Long "/ 5 |
|
1059 |
readConstant_Double "/ 6 |
|
1060 |
readConstant_Class "/ 7 |
|
1061 |
readConstant_String "/ 8 |
|
1062 |
readConstant_Fieldref "/ 9 |
|
1063 |
readConstant_Methodref "/ 10 |
|
1064 |
readConstant_InterfaceMethodref "/ 11 |
|
1065 |
readConstant_NameAndType "/ 12 |
|
1066 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
350 | 1067 |
]. |
1 | 1068 |
^ self perform:constReader. |
1069 |
||
1070 |
" |
|
1071 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1072 |
" |
|
1073 |
||
344 | 1074 |
"Created: / 15.4.1996 / 15:46:32 / cg" |
350 | 1075 |
"Modified: / 9.5.1998 / 01:26:05 / cg" |
1 | 1076 |
! |
1077 |
||
1078 |
readConstantPool |
|
11 | 1079 |
|constantPoolCount const i| |
1 | 1080 |
|
1081 |
"/ |
|
1082 |
"/ get constant pool |
|
1083 |
"/ |
|
128 | 1084 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 1085 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 1086 |
|
91 | 1087 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 1088 |
|
21 | 1089 |
constSlot := 1. |
1090 |
[constSlot < constantPoolCount] whileTrue:[ |
|
344 | 1091 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
1092 |
const := self readConstant. |
|
1093 |
constants at:constSlot put:const. |
|
1094 |
||
1095 |
"/ long & double consts take 2 slots |
|
1096 |
"/ (only first is used) |
|
1097 |
constNeeds2Slots ifTrue:[ |
|
1098 |
constSlot := constSlot + 2. |
|
1099 |
] ifFalse:[ |
|
1100 |
constSlot := constSlot + 1. |
|
1101 |
] |
|
1 | 1102 |
]. |
1103 |
||
52 | 1104 |
constSlot := -1. |
1105 |
||
91 | 1106 |
"/ preresolve what can be (especially, strings are resolved here) |
1107 |
||
1 | 1108 |
1 to:constantPoolCount-1 do:[:i | |
344 | 1109 |
|const value| |
1 | 1110 |
|
344 | 1111 |
const := constants at:i. |
1112 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
1113 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
1114 |
value := const preResolve. |
|
1115 |
value ~~ const ifTrue:[ |
|
1116 |
constants at:i put:value. |
|
1117 |
] |
|
1118 |
] |
|
1119 |
] |
|
1 | 1120 |
]. |
1121 |
||
1122 |
" |
|
1123 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1124 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1125 |
" |
|
1126 |
||
344 | 1127 |
"Created: / 15.4.1996 / 15:14:11 / cg" |
1128 |
"Modified: / 7.5.1998 / 11:44:06 / cg" |
|
1 | 1129 |
! |
1130 |
||
1131 |
readConstant_Asciz |
|
1132 |
|len string| |
|
1133 |
||
128 | 1134 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 1135 |
string := String new:len. |
1136 |
inStream nextBytes:len into:string startingAt:1. |
|
1137 |
||
61 | 1138 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 1139 |
|
1140 |
^ string |
|
1141 |
||
1142 |
" |
|
1143 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1144 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1145 |
" |
|
1146 |
||
1147 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
1148 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
1149 |
! |
|
1150 |
||
1151 |
readConstant_Class |
|
52 | 1152 |
|name_index name| |
1 | 1153 |
|
128 | 1154 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 1155 |
|
61 | 1156 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 1157 |
|
52 | 1158 |
name := constants at:name_index. |
1159 |
name notNil ifTrue:[ |
|
350 | 1160 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
1161 |
"/ self halt |
|
52 | 1162 |
]. |
1163 |
||
21 | 1164 |
^ JavaUnresolvedClassConstant |
350 | 1165 |
pool:constants |
1166 |
poolIndex:constSlot |
|
1167 |
nameIndex:name_index |
|
91 | 1168 |
|
1 | 1169 |
" |
1170 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1171 |
" |
|
1172 |
||
350 | 1173 |
"Created: / 15.4.1996 / 15:21:13 / cg" |
1174 |
"Modified: / 8.5.1998 / 21:53:16 / cg" |
|
1 | 1175 |
! |
1176 |
||
11 | 1177 |
readConstant_Double |
350 | 1178 |
|high low aFloat bytes| |
1179 |
||
1180 |
"/ new code - to be tested |
|
1181 |
"/ bytes := ByteArray new:8. |
|
1182 |
"/ |
|
1183 |
"/ inStream nextBytes:8 into:bytes startingAt:1. |
|
1184 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1185 |
"/ bytes reverse |
|
1186 |
"/ ]. |
|
1187 |
"/ aFloat := bytes doubleAt:1. |
|
1188 |
||
1189 |
"/ old code |
|
11 | 1190 |
|
128 | 1191 |
high := inStream nextUnsignedLongMSB:msb. |
1192 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1193 |
|
1194 |
aFloat := Float new. |
|
1195 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
350 | 1196 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1197 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1198 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1199 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
1200 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
1201 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
1202 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
1203 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 1204 |
] ifFalse:[ |
350 | 1205 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
1206 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
1207 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
1208 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
1209 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
1210 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
1211 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
1212 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1213 |
]. |
1214 |
||
1215 |
constNeeds2Slots := true. |
|
1216 |
||
61 | 1217 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 1218 |
^ aFloat |
1219 |
||
1220 |
" |
|
1221 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1222 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1223 |
" |
|
1224 |
||
350 | 1225 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
1226 |
"Modified: / 8.5.1998 / 22:06:07 / cg" |
|
11 | 1227 |
! |
1228 |
||
1 | 1229 |
readConstant_Fieldref |
1230 |
|class_index name_and_type_index| |
|
1231 |
||
128 | 1232 |
class_index := inStream nextUnsignedShortMSB:msb. |
1233 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1234 |
|
61 | 1235 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
1236 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1237 |
|
91 | 1238 |
^ JavaUnresolvedFieldrefConstant |
252 | 1239 |
pool:constants |
1240 |
poolIndex:constSlot |
|
1241 |
classIndex:class_index |
|
1242 |
nameandTypeIndex:name_and_type_index |
|
1 | 1243 |
|
1244 |
" |
|
1245 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1246 |
" |
|
1247 |
||
1248 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
1249 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
1250 |
! |
|
1251 |
||
11 | 1252 |
readConstant_Float |
350 | 1253 |
|high aFloat bytes| |
1254 |
||
1255 |
"/ new code - to be tested ... |
|
352 | 1256 |
"/ |
1257 |
"/ bytes := ByteArray new:4. |
|
1258 |
"/ inStream nextBytes:4 into:bytes startingAt:1. |
|
1259 |
"/ msb ~~ UninterpretedBytes isBigEndian ifTrue:[ |
|
1260 |
"/ bytes reverse |
|
1261 |
"/ ]. |
|
1262 |
"/ aFloat := bytes floatAt:1. |
|
1263 |
"/ Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
|
1264 |
"/ ^ aFloat. |
|
350 | 1265 |
|
1266 |
"/ old code |
|
128 | 1267 |
high := inStream nextUnsignedLongMSB:msb. |
11 | 1268 |
|
1269 |
aFloat := ShortFloat basicNew. |
|
1270 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
350 | 1271 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
1272 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
1273 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
1274 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
11 | 1275 |
] ifFalse:[ |
350 | 1276 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
1277 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
|
1278 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
|
1279 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 1280 |
]. |
1281 |
||
61 | 1282 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 1283 |
^ aFloat |
1284 |
||
1285 |
" |
|
1286 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1287 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1288 |
" |
|
1289 |
||
350 | 1290 |
"Created: / 15.4.1996 / 16:34:42 / cg" |
352 | 1291 |
"Modified: / 12.5.1998 / 21:36:32 / cg" |
11 | 1292 |
! |
1293 |
||
1 | 1294 |
readConstant_Integer |
1295 |
|value| |
|
1296 |
||
128 | 1297 |
value := inStream nextLongMSB:msb. |
1 | 1298 |
|
61 | 1299 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 1300 |
|
1301 |
^ value |
|
1302 |
||
1303 |
" |
|
1304 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1305 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1306 |
" |
|
1307 |
||
1308 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1309 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1310 |
! |
|
1311 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1312 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1313 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1314 |
|
128 | 1315 |
class_index := inStream nextUnsignedShortMSB:msb. |
1316 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1317 |
|
61 | 1318 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1319 |
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
|
1320 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1321 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 1322 |
pool:constants |
1323 |
poolIndex:constSlot |
|
1324 |
classIndex:class_index |
|
1325 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1326 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1327 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1328 |
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
|
1329 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1330 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1331 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1332 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1333 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
1334 |
|
11 | 1335 |
readConstant_Long |
1336 |
|high low value| |
|
1337 |
||
128 | 1338 |
high := inStream nextUnsignedLongMSB:msb. |
1339 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 1340 |
|
1341 |
value := (high bitShift:32) bitOr:low. |
|
60 | 1342 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 1343 |
value := value - 16r10000000000000000. |
60 | 1344 |
]. |
11 | 1345 |
constNeeds2Slots := true. |
1346 |
||
61 | 1347 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 1348 |
^ value |
1349 |
||
1350 |
" |
|
1351 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1352 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1353 |
" |
|
1354 |
||
1355 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
1356 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
1357 |
! |
|
1358 |
||
1 | 1359 |
readConstant_Methodref |
1360 |
|class_index name_and_type_index| |
|
1361 |
||
128 | 1362 |
class_index := inStream nextUnsignedShortMSB:msb. |
1363 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1364 |
|
61 | 1365 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1366 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1367 |
|
1368 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1369 |
pool:constants |
1370 |
poolIndex:constSlot |
|
1371 |
classIndex:class_index |
|
1372 |
nameandTypeIndex:name_and_type_index |
|
1 | 1373 |
|
1374 |
" |
|
1375 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1376 |
" |
|
1377 |
||
1378 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1379 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1380 |
! |
|
1381 |
||
91 | 1382 |
readConstant_NameAndType |
1 | 1383 |
|name_index signature_index| |
1384 |
||
128 | 1385 |
name_index := inStream nextUnsignedShortMSB:msb. |
1386 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1387 |
|
61 | 1388 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1389 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1390 |
|
1391 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1392 |
pool:constants |
1393 |
poolIndex:constSlot |
|
1394 |
nameIndex:name_index |
|
1395 |
signatureIndex:signature_index |
|
1 | 1396 |
|
1397 |
" |
|
1398 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1399 |
" |
|
1400 |
||
1401 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1402 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1403 |
! |
|
1404 |
||
1405 |
readConstant_String |
|
344 | 1406 |
|tag string_index chars jString| |
1 | 1407 |
|
128 | 1408 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1409 |
|
61 | 1410 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1411 |
|
344 | 1412 |
"/ resolve here if possible |
1413 |
string_index < constSlot ifTrue:[ |
|
1414 |
Java java_lang_String notNil ifTrue:[ |
|
1415 |
chars := (constants at:string_index). |
|
1416 |
chars isString ifFalse:[ |
|
1417 |
self halt:'should not happen' |
|
1418 |
]. |
|
1419 |
jString := Java as_String:chars. |
|
1420 |
^ jString. |
|
1421 |
] |
|
1422 |
]. |
|
1423 |
||
91 | 1424 |
^ JavaUnresolvedStringConstant |
344 | 1425 |
pool:constants |
1426 |
poolIndex:constSlot |
|
1427 |
stringIndex:string_index |
|
1 | 1428 |
|
1429 |
" |
|
43 | 1430 |
Verbose := true. |
1431 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1432 |
" |
1433 |
||
344 | 1434 |
"Created: / 15.4.1996 / 15:20:33 / cg" |
1435 |
"Modified: / 7.5.1998 / 11:42:45 / cg" |
|
1436 |
! ! |
|
1437 |
||
1438 |
!JavaClassReader methodsFor:'file reading - constants-ST'! |
|
1439 |
||
1440 |
readConstant_ST_Array |
|
1441 |
|aSize arr| |
|
1442 |
||
1443 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1444 |
arr := Array new:aSize. |
|
1445 |
||
1446 |
1 to:aSize do:[:i | |
|
350 | 1447 |
|element_index element| |
344 | 1448 |
|
1449 |
element_index := inStream nextUnsignedShortMSB:msb. |
|
1450 |
arr at:i put:element_index. |
|
1451 |
]. |
|
1452 |
Verbose ifTrue:[Transcript show:'array; size= '; showCR:aSize]. |
|
1453 |
||
1454 |
^ JavaUnresolvedSTArrayConstant |
|
1455 |
pool:constants |
|
1456 |
poolIndex:constSlot |
|
1457 |
array:arr |
|
1458 |
||
1459 |
"Created: / 7.5.1998 / 11:47:01 / cg" |
|
350 | 1460 |
"Modified: / 9.5.1998 / 00:25:34 / cg" |
344 | 1461 |
! |
1462 |
||
1463 |
readConstant_ST_ByteArray |
|
1464 |
|aSize arr| |
|
1465 |
||
1466 |
aSize := inStream nextUnsignedShortMSB:msb. |
|
1467 |
arr := ByteArray new:aSize. |
|
1468 |
||
1469 |
1 to:aSize do:[:i | |
|
1470 |
|element_index| |
|
1471 |
||
1472 |
arr at:i put:(inStream nextByte). |
|
1473 |
]. |
|
1474 |
Verbose ifTrue:[Transcript show:'byteArray; size= '; showCR:aSize]. |
|
1475 |
||
1476 |
^ arr |
|
1477 |
||
1478 |
"Created: / 7.5.1998 / 11:47:12 / cg" |
|
1479 |
! |
|
1480 |
||
1481 |
readConstant_ST_Character |
|
1482 |
|ascii| |
|
1483 |
||
1484 |
ascii := inStream nextUnsignedShortMSB:msb. |
|
1485 |
||
1486 |
Verbose ifTrue:[Transcript show:'char; ascii= '; showCR:ascii]. |
|
1487 |
^ Character value:ascii |
|
1488 |
||
1489 |
"Created: / 7.5.1998 / 11:48:12 / cg" |
|
1490 |
! |
|
1491 |
||
350 | 1492 |
readConstant_ST_Special |
1493 |
|type| |
|
1494 |
||
1495 |
type := inStream nextUnsignedShortMSB:msb. |
|
1496 |
^ #( |
|
1497 |
nil |
|
1498 |
true |
|
1499 |
false |
|
1500 |
) at:(type + 1) |
|
1501 |
||
1502 |
"Created: / 8.5.1998 / 23:06:56 / cg" |
|
1503 |
"Modified: / 9.5.1998 / 00:40:14 / cg" |
|
1504 |
! |
|
1505 |
||
344 | 1506 |
readConstant_ST_String |
1507 |
|tag string_index chars| |
|
1508 |
||
1509 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1510 |
||
1511 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
|
1512 |
||
1513 |
"/ resolve here if possible |
|
1514 |
string_index < constSlot ifTrue:[ |
|
1515 |
chars := (constants at:string_index). |
|
1516 |
^ chars |
|
1517 |
]. |
|
1518 |
||
1519 |
^ JavaUnresolvedSTStringConstant |
|
1520 |
pool:constants |
|
1521 |
poolIndex:constSlot |
|
1522 |
stringIndex:string_index |
|
1523 |
||
1524 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
1525 |
"Created: / 7.5.1998 / 11:49:55 / cg" |
|
1526 |
! |
|
1527 |
||
1528 |
readConstant_ST_Symbol |
|
1529 |
|tag string_index chars| |
|
1530 |
||
1531 |
string_index := inStream nextUnsignedShortMSB:msb. |
|
1532 |
||
1533 |
Verbose ifTrue:[Transcript show:'symbol; index= '; showCR:string_index]. |
|
1534 |
||
1535 |
"/ resolve here if possible |
|
1536 |
string_index < constSlot ifTrue:[ |
|
1537 |
chars := (constants at:string_index). |
|
1538 |
chars isString ifFalse:[ |
|
1539 |
self halt:'should not happen' |
|
1540 |
]. |
|
1541 |
^ chars asSymbol |
|
1542 |
]. |
|
1543 |
||
1544 |
^ JavaUnresolvedSTSymbolConstant |
|
1545 |
pool:constants |
|
1546 |
poolIndex:constSlot |
|
1547 |
stringIndex:string_index |
|
1548 |
||
1549 |
"Modified: / 7.5.1998 / 11:48:28 / cg" |
|
5 | 1550 |
! ! |
1551 |
||
1552 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1553 |
||
1554 |
readConstantValueAttributeFor:aField |
|
1555 |
|attribute_length constantvalue_index constantValue| |
|
1556 |
||
128 | 1557 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1558 |
|
128 | 1559 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1560 |
constantValue := constants at:constantvalue_index. |
1561 |
||
59 | 1562 |
aField constantValue:constantValue. |
1563 |
||
61 | 1564 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1565 |
^ true |
1566 |
||
1567 |
" |
|
1568 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1569 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1570 |
" |
|
1571 |
||
1572 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1573 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1574 |
! |
1575 |
||
1576 |
readFieldInfofield |
|
5 | 1577 |
|access_flags name_index signature_index attributes_count field| |
1 | 1578 |
|
128 | 1579 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1580 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1581 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1582 |
|
1583 |
field := JavaField new. |
|
1584 |
field setAccessFlags:access_flags. |
|
1585 |
field setName:(constants at:name_index). |
|
1586 |
field setSignature:(constants at:signature_index). |
|
1587 |
||
128 | 1588 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1589 |
|
99 | 1590 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
252 | 1591 |
show:' access: '; show:access_flags; |
1592 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1593 |
|
1 | 1594 |
1 to:attributes_count do:[:i | |
252 | 1595 |
self readAttributeFor:field. |
1 | 1596 |
]. |
1597 |
||
27 | 1598 |
^ field |
1599 |
||
1 | 1600 |
" |
1601 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1602 |
" |
|
1603 |
||
1604 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1605 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
1606 |
! |
|
1607 |
||
1608 |
readFieldInfofields |
|
38 | 1609 |
|nFields fields| |
1 | 1610 |
|
1611 |
"/ |
|
38 | 1612 |
"/ get fieldInfos |
1 | 1613 |
"/ |
128 | 1614 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1615 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1616 |
|
27 | 1617 |
fields := Array new:nFields. |
1618 |
||
1619 |
1 to:nFields do:[:i | |
|
252 | 1620 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1621 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1622 |
]. |
38 | 1623 |
^ fields |
1 | 1624 |
|
1625 |
" |
|
1626 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1627 |
" |
|
1628 |
||
1629 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1630 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1631 |
! ! |
1632 |
||
38 | 1633 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1634 |
||
1635 |
readInterfaces |
|
110 | 1636 |
|interfacesCount interface_index interface interfaces| |
38 | 1637 |
|
1638 |
"/ |
|
1639 |
"/ get interfaces |
|
1640 |
"/ |
|
128 | 1641 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1642 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1643 |
|
1644 |
interfaces := Array new:interfacesCount. |
|
1645 |
||
1646 |
1 to:interfacesCount do:[:i | |
|
252 | 1647 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1648 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1649 |
interface := constants at:interface_index. |
|
38 | 1650 |
|
252 | 1651 |
interfaces at:i put:interface. |
38 | 1652 |
]. |
1653 |
^ interfaces |
|
1654 |
||
1655 |
" |
|
1656 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1657 |
" |
|
1658 |
||
1659 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1660 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1661 |
! ! |
|
1662 |
||
5 | 1663 |
!JavaClassReader methodsFor:'file reading - methods'! |
1664 |
||
1665 |
readCodeAttributeFor:aJavaMethod |
|
1666 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1667 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1668 |
|
128 | 1669 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1670 |
|
357 | 1671 |
Verbose ifTrue:[Transcript show:'code_attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1672 |
|
99 | 1673 |
minorVsn > 2 ifTrue:[ |
348 | 1674 |
"/ should be: |
1675 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
1676 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1677 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
1678 |
||
1679 |
"/ unknown1 := inStream nextByte. |
|
1680 |
"/ max_stack := inStream nextByte. |
|
1681 |
"/ max_locals := inStream nextUnsignedShortMSB:msb. |
|
1682 |
"/ unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1683 |
"/ code_length := inStream nextUnsignedShortMSB:msb. |
|
1684 |
"/ Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1685 |
"/ Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1686 |
] ifFalse:[ |
348 | 1687 |
max_stack := inStream nextByte. |
1688 |
max_locals := inStream nextByte. |
|
1689 |
code_length := inStream nextUnsignedShortMSB:msb. |
|
9 | 1690 |
]. |
1691 |
||
357 | 1692 |
Verbose ifTrue:[ |
1693 |
Transcript show:'code_length: '; showCR:(code_length printStringRadix:16). |
|
1694 |
Transcript show:'code at pos: '; showCR:inStream position |
|
1695 |
]. |
|
38 | 1696 |
|
357 | 1697 |
code_length ~~ 0 ifTrue:[ |
1698 |
code := ByteArray new:code_length. |
|
1699 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1700 |
]. |
|
1701 |
Verbose ifTrue:[Transcript show:'method code: '; showCR:code.]. |
|
9 | 1702 |
|
128 | 1703 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1704 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1705 |
exception_table_length ~~ 0 ifTrue:[ |
348 | 1706 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1707 |
|
348 | 1708 |
exception_table := Array new:exception_table_length. |
1709 |
1 to:exception_table_length do:[:i | |
|
1710 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1711 |
|
348 | 1712 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1713 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1714 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1715 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1716 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1717 |
startPC:start_pc |
|
1718 |
endPC:end_pc |
|
1719 |
handlerPC:handler_pc |
|
1720 |
catchType:catch_type). |
|
1721 |
]. |
|
1722 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1723 |
]. |
1724 |
||
29 | 1725 |
aJavaMethod |
348 | 1726 |
setCode:code |
1727 |
maxStack:max_stack |
|
1728 |
maxLocals:max_locals |
|
1729 |
u1:unknown1 |
|
1730 |
u2:unknown2. |
|
5 | 1731 |
|
1732 |
self readAttributesFor:aJavaMethod. |
|
1733 |
^ true |
|
1734 |
||
1 | 1735 |
" |
1736 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1737 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1738 |
" |
1739 |
||
348 | 1740 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
357 | 1741 |
"Modified: / 16.5.1998 / 01:39:42 / cg" |
5 | 1742 |
! |
1743 |
||
83 | 1744 |
readExceptionsAttributeFor:aJavaMethod |
1745 |
|attribute_length exception_table_length exception_table| |
|
1746 |
||
128 | 1747 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1748 |
|
128 | 1749 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1750 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1751 |
exception_table := Array new:exception_table_length. |
1752 |
1 to:exception_table_length do:[:i | |
|
1753 |
|idx ex| |
|
83 | 1754 |
|
252 | 1755 |
idx := inStream nextUnsignedShortMSB:msb. |
1756 |
ex := constants at:idx. |
|
1757 |
exception_table at:i put:ex. |
|
1758 |
]. |
|
83 | 1759 |
]. |
1760 |
||
1761 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1762 |
||
1763 |
aJavaMethod setExceptionTable:exception_table. |
|
1764 |
^ true |
|
1765 |
||
1766 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1767 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1768 |
! |
|
1769 |
||
5 | 1770 |
readLineNumberTableAttributeFor:aJavaMethod |
1771 |
|attribute_length line_number_table_length line_number_table| |
|
1772 |
||
128 | 1773 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1774 |
|
128 | 1775 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1776 |
line_number_table_length ~~ 0 ifTrue:[ |
330 | 1777 |
line_number_table := Array new:line_number_table_length. |
1778 |
1 to:line_number_table_length do:[:i | |
|
1779 |
|start_pc line_number| |
|
5 | 1780 |
|
330 | 1781 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1782 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1783 |
line_number_table at:i put:(start_pc -> line_number). |
|
1784 |
]. |
|
1785 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
|
1786 |
||
1787 |
aJavaMethod setLineNumberTable:line_number_table. |
|
5 | 1788 |
]. |
1789 |
||
1790 |
^ true |
|
1791 |
||
1792 |
" |
|
1793 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1794 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1795 |
" |
|
1796 |
||
330 | 1797 |
"Created: / 15.4.1996 / 15:40:17 / cg" |
1798 |
"Modified: / 7.4.1998 / 19:08:42 / cg" |
|
1 | 1799 |
! |
1800 |
||
50 | 1801 |
readLocalVariableTableAttributeFor:aJavaMethod |
1802 |
|attribute_length local_variable_table_length local_variable_table| |
|
1803 |
||
128 | 1804 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1805 |
|
128 | 1806 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1807 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1808 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1809 |
1 to:local_variable_table_length do:[:i | |
|
1810 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1811 |
|
252 | 1812 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1813 |
length := inStream nextUnsignedShortMSB:msb. |
|
1814 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1815 |
name := constants at:name_index. |
|
1816 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1817 |
signature := constants at:sig_index. |
|
1818 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1819 |
|
252 | 1820 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1821 |
startPC:start_pc |
|
1822 |
length:length |
|
1823 |
name:name |
|
1824 |
signature:signature |
|
1825 |
slot:slot) |
|
1826 |
]. |
|
50 | 1827 |
]. |
1828 |
||
61 | 1829 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1830 |
|
1831 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1832 |
^ true |
|
1833 |
||
1834 |
" |
|
1835 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1836 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1837 |
" |
|
1838 |
||
1839 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1840 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1841 |
! |
|
1842 |
||
357 | 1843 |
readMethodFor:aClass |
273 | 1844 |
|m access_flags name_index name signature_index signature |
1845 |
tooManyArgs| |
|
1 | 1846 |
|
1847 |
"/ |
|
1848 |
"/ get a method |
|
1849 |
"/ |
|
128 | 1850 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1851 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1852 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1853 |
|
5 | 1854 |
name := constants at:name_index. |
1855 |
signature := constants at:signature_index. |
|
9 | 1856 |
|
357 | 1857 |
Verbose ifTrue:[ |
1858 |
Transcript show:'method name:'; showCR:name. |
|
1859 |
Transcript show:'signature:'; showCR:signature. |
|
1860 |
]. |
|
9 | 1861 |
|
357 | 1862 |
aClass isJavaClass ifTrue:[ |
1863 |
m := JavaMethod new. |
|
1864 |
m setAccessFlags:access_flags. |
|
1865 |
tooManyArgs := false. |
|
1866 |
Method argumentSignal handle:[:ex | |
|
1867 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1868 |
tooManyArgs := true. |
|
1869 |
ex proceed. |
|
1870 |
] do:[ |
|
1871 |
m setName:name signature:signature. |
|
1872 |
]. |
|
1873 |
m setJavaClass:aClass. |
|
1874 |
||
1875 |
self readAttributesFor:m. |
|
1876 |
||
1877 |
tooManyArgs ifTrue:[ |
|
1878 |
m code:nil. |
|
1879 |
m byteCode:nil. |
|
1880 |
]. |
|
1881 |
aClass addMethod:m name:name signature:signature. |
|
1882 |
] ifFalse:[ |
|
1883 |
m := Method new. |
|
1884 |
self readAttributesFor:m. |
|
1885 |
(access_flags bitTest:JavaMethod A_STATIC) ifTrue:[ |
|
1886 |
aClass class primAddSelector:name asSymbol withMethod:m. |
|
1887 |
] ifFalse:[ |
|
1888 |
aClass primAddSelector:name asSymbol withMethod:m. |
|
1889 |
] |
|
273 | 1890 |
]. |
1 | 1891 |
|
1892 |
" |
|
1893 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1894 |
" |
|
1895 |
||
273 | 1896 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
357 | 1897 |
"Modified: / 16.5.1998 / 00:39:57 / cg" |
1 | 1898 |
! |
1899 |
||
38 | 1900 |
readMethodsFor:aJavaClass |
1 | 1901 |
|methodsCount method| |
1902 |
||
1903 |
"/ |
|
1904 |
"/ get methods |
|
1905 |
"/ |
|
128 | 1906 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 1907 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1908 |
|
1909 |
1 to:methodsCount do:[:i | |
|
348 | 1910 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
1911 |
method := self readMethodFor:aJavaClass |
|
1 | 1912 |
]. |
1913 |
||
1914 |
" |
|
1915 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1916 |
" |
|
1917 |
||
348 | 1918 |
"Created: / 15.4.1996 / 16:46:30 / cg" |
1919 |
"Modified: / 8.5.1998 / 21:20:59 / cg" |
|
1 | 1920 |
! ! |
1921 |
||
344 | 1922 |
!JavaClassReader methodsFor:'file reading - methods-ST'! |
1923 |
||
348 | 1924 |
readSTCodeAttributeFor:aSmalltalkMethod |
1925 |
|attribute_length max_stack max_locals code_length code |
|
1926 |
exception_table_length unknown1 unknown2| |
|
1927 |
||
1928 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1929 |
||
1930 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
|
1931 |
||
1932 |
max_stack := inStream nextUnsignedShortMSB:msb. |
|
1933 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1934 |
||
1935 |
code_length := inStream nextUnsignedLongMSB:msb. |
|
1936 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
|
1937 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
1938 |
||
357 | 1939 |
code_length ~~ 0 ifTrue:[ |
1940 |
code := ByteArray new:code_length. |
|
1941 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1942 |
]. |
|
1943 |
Verbose ifTrue:[Transcript show:'method code: '; showCR:code.]. |
|
348 | 1944 |
|
1945 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
|
1946 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
|
1947 |
exception_table_length ~~ 0 ifTrue:[ |
|
1948 |
self error:'unexpected exceptionTable length'. |
|
1949 |
"/ skip it. |
|
1950 |
1 to:exception_table_length do:[:i | |
|
1951 |
"start_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1952 |
"end_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1953 |
"handler_pc :=" inStream nextUnsignedShortMSB:msb. |
|
1954 |
"catch_type :=" inStream nextUnsignedShortMSB:msb. |
|
1955 |
]. |
|
1956 |
]. |
|
1957 |
||
357 | 1958 |
aSmalltalkMethod byteCode:code. |
1959 |
aSmalltalkMethod stackSize:max_stack . |
|
1960 |
aSmalltalkMethod numberOfVars:max_locals. |
|
348 | 1961 |
|
1962 |
self readAttributesFor:aSmalltalkMethod. |
|
1963 |
^ true |
|
1964 |
||
357 | 1965 |
"Modified: / 16.5.1998 / 01:39:30 / cg" |
348 | 1966 |
! |
1967 |
||
344 | 1968 |
readSTLiteralsAttributeFor:aSmalltalkMethod |
348 | 1969 |
|attribute_length literal_table_length literal_table litIndex literal| |
1970 |
||
1971 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1972 |
||
1973 |
literal_table_length := inStream nextUnsignedShortMSB:msb. |
|
1974 |
literal_table_length ~~ 0 ifTrue:[ |
|
1975 |
literal_table := Array new:literal_table_length. |
|
1976 |
1 to:literal_table_length do:[:i | |
|
1977 |
litIndex := inStream nextUnsignedShortMSB:msb. |
|
1978 |
literal := (constants at:litIndex). |
|
1979 |
literal_table at:i put:literal. |
|
1980 |
]. |
|
1981 |
]. |
|
357 | 1982 |
Verbose ifTrue:[Transcript show:'literals: '; showCR:literal_table storeString.]. |
344 | 1983 |
|
1984 |
"Created: / 7.5.1998 / 11:52:28 / cg" |
|
357 | 1985 |
"Modified: / 16.5.1998 / 01:52:27 / cg" |
1986 |
! |
|
1987 |
||
1988 |
readSTMethodCategoryAttributeFor:aSmalltalkMethod |
|
1989 |
|attribute_length name_index name| |
|
1990 |
||
1991 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
|
1992 |
||
1993 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1994 |
name := (constants at:name_index). |
|
1995 |
||
1996 |
aSmalltalkMethod category:name. |
|
1997 |
||
348 | 1998 |
"Modified: / 8.5.1998 / 20:39:59 / cg" |
357 | 1999 |
"Created: / 16.5.1998 / 01:04:19 / cg" |
344 | 2000 |
! ! |
2001 |
||
135 | 2002 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 2003 |
|
2004 |
version |
|
370 | 2005 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.71 1998/09/18 14:34:43 cg Exp $' |
1 | 2006 |
! ! |
2007 |
JavaClassReader initialize! |