author | cg |
Fri, 06 Feb 1998 01:56:01 +0000 | |
changeset 318 | 8720093188f7 |
parent 278 | 9d0ed6e743da |
child 327 | 990c71581df3 |
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 |
||
135 | 46 |
!JavaClassReader class methodsFor:'debugging'! |
1 | 47 |
|
48 |
verbose:aBoolean |
|
49 |
Verbose := aBoolean |
|
50 |
||
51 |
" |
|
67 | 52 |
Java flushClasses. |
1 | 53 |
JavaClassReader verbose:true |
54 |
JavaClassReader verbose:false |
|
55 |
" |
|
56 |
! ! |
|
57 |
||
135 | 58 |
!JavaClassReader class methodsFor:'file reading'! |
1 | 59 |
|
21 | 60 |
loadClass:aClassName |
43 | 61 |
"reads a class, installs and returns it. |
62 |
The classes string constants are resolved & <clinit> is called, |
|
63 |
if it implements it." |
|
21 | 64 |
|
223 | 65 |
|rslt loader| |
21 | 66 |
|
223 | 67 |
loader := ClassLoaderQuerySignal raise. |
68 |
loader isNil ifTrue:[ |
|
252 | 69 |
rslt := self loadClassLazy:aClassName ignoring:(Set new). |
70 |
rslt notNil ifTrue:[self postLoadActions]. |
|
40 | 71 |
|
252 | 72 |
^ rslt |
223 | 73 |
]. |
74 |
||
75 |
^ loader loadClass:aClassName |
|
21 | 76 |
|
77 |
" |
|
78 |
JavaClassReader loadClass:'awt/Component' |
|
79 |
JavaClassReader loadClass:'awt/Button' |
|
80 |
JavaClassReader loadClass:'browser/AddButton' |
|
81 |
||
82 |
JavaClassReader loadClass:'java/lang/Object' |
|
83 |
JavaClassReader loadClass:'java/lang/AbstractMethodError' |
|
84 |
JavaClassReader loadClass:'java/lang/Thread' |
|
85 |
" |
|
86 |
||
252 | 87 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
88 |
"Modified: / 3.1.1998 / 22:36:13 / cg" |
|
21 | 89 |
! |
90 |
||
54 | 91 |
loadClassLazy:aClassName ignoring:classesBeingLoaded |
38 | 92 |
"private helper: |
93 |
reads a class, installs and returns it. |
|
94 |
The class is searched along the ClassPath. |
|
43 | 95 |
|
96 |
This is a partial load (to load other classes): |
|
97 |
- The classes stringConstants are not fixed to be JavaStrings |
|
98 |
(i.e they are still ST-Strings). |
|
252 | 99 |
- The class is NOT initialized." |
38 | 100 |
|
91 | 101 |
|rslt clsName cls loadedClass| |
50 | 102 |
|
52 | 103 |
(aClassName endsWith:';') ifTrue:[ |
278 | 104 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
105 |
self halt:'should not happen'. |
|
106 |
^ nil |
|
91 | 107 |
]. |
108 |
(aClassName endsWith:'[]') ifTrue:[ |
|
278 | 109 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
110 |
self halt:'should not happen'. |
|
111 |
^ nil |
|
52 | 112 |
]. |
113 |
||
50 | 114 |
clsName := aClassName. |
115 |
(clsName includes:$.) ifTrue:[ |
|
278 | 116 |
clsName := clsName asString copy replaceAll:$. with:$/ |
50 | 117 |
]. |
38 | 118 |
|
91 | 119 |
(classesBeingLoaded notNil and:[classesBeingLoaded includes:clsName]) ifTrue:[ |
278 | 120 |
('oops - recursive load of ' , clsName , ' attempted') printNL. |
121 |
self halt:'should not happen'. |
|
122 |
^ JavaUnresolvedClassConstant fullName:clsName |
|
54 | 123 |
]. |
124 |
||
91 | 125 |
(cls := Java at:clsName) notNil ifTrue:[ |
278 | 126 |
('oops - ' , clsName , ' is already loaded') printNL. |
127 |
self halt:clsName , ' is already loaded - should not happen'. |
|
128 |
^ cls |
|
91 | 129 |
]. |
130 |
||
131 |
classesBeingLoaded isNil ifTrue:[ |
|
278 | 132 |
loadedClass := Set with:clsName |
91 | 133 |
] ifFalse:[ |
278 | 134 |
loadedClass := Set withAll:classesBeingLoaded. |
135 |
loadedClass add:clsName. |
|
91 | 136 |
]. |
54 | 137 |
|
135 | 138 |
Java classPath do:[:path | |
278 | 139 |
|nm p| |
91 | 140 |
|
278 | 141 |
p := path. |
142 |
(p endsWith:Filename separator) ifFalse:[ |
|
143 |
p := p , (Filename separator asString) |
|
144 |
]. |
|
145 |
(Array |
|
146 |
with:clsName |
|
147 |
with:clsName asLowercase |
|
148 |
with:clsName asUppercase) |
|
149 |
do:[:tryName | |
|
150 |
(nm := p , tryName , '.class') asFilename exists ifTrue:[ |
|
151 |
(Java isExcludedFromClassPath:nm) ifFalse:[ |
|
152 |
rslt := self loadFileLazy:nm ignoring:loadedClass. |
|
153 |
rslt notNil ifTrue:[^ rslt]. |
|
154 |
] |
|
155 |
]. |
|
156 |
] |
|
38 | 157 |
]. |
158 |
||
318 | 159 |
('JAVA [info]: no file found for: ' , clsName) infoPrintCR. |
91 | 160 |
^ nil |
135 | 161 |
|
252 | 162 |
"Modified: / 14.8.1997 / 11:38:42 / stefan" |
318 | 163 |
"Modified: / 6.2.1998 / 02:20:48 / cg" |
38 | 164 |
! |
165 |
||
7 | 166 |
loadFile:aFilename |
43 | 167 |
"reads a class from aFilename, installs and returns it. |
168 |
The classes strings are fixed and its class-init function is called." |
|
169 |
||
54 | 170 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 171 |
self postLoadActions |
172 |
! |
|
173 |
||
54 | 174 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 175 |
"reads a class from aFilename, installs and returns it. |
91 | 176 |
Strings are fixed and classrefs are fixed, |
177 |
but NO no class-init functions are called." |
|
7 | 178 |
|
21 | 179 |
|javaClass pool| |
7 | 180 |
|
54 | 181 |
javaClass := self readFile:aFilename ignoring:classesBeingLoaded. |
7 | 182 |
javaClass notNil ifTrue:[ |
252 | 183 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
21 | 184 |
|
252 | 185 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
21 | 186 |
|
252 | 187 |
JavaUnresolvedConstant resolveFor:javaClass. |
7 | 188 |
]. |
9 | 189 |
^ javaClass |
7 | 190 |
|
191 |
" |
|
192 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 193 |
|
194 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
252 | 195 |
directoryContents do:[:nm | |
196 |
(nm endsWith:'.class') ifTrue:[ |
|
197 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
198 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
199 |
] |
|
200 |
]. |
|
9 | 201 |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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202 |
'/phys/ibm3/java/lib/java/io' asFilename |
252 | 203 |
directoryContents do:[:nm | |
204 |
(nm endsWith:'.class') ifTrue:[ |
|
205 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
206 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
|
207 |
] |
|
208 |
]. |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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210 |
'/phys/ibm3/java/lib/java/net' asFilename |
252 | 211 |
directoryContents do:[:nm | |
212 |
(nm endsWith:'.class') ifTrue:[ |
|
213 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
214 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
|
215 |
] |
|
216 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
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217 |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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218 |
'/phys/ibm3/java/lib/java/util' asFilename |
252 | 219 |
directoryContents do:[:nm | |
220 |
(nm endsWith:'.class') ifTrue:[ |
|
221 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
222 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
|
223 |
] |
|
224 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
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225 |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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|
226 |
'/phys/ibm3/java/lib/java/awt' asFilename |
252 | 227 |
directoryContents do:[:nm | |
228 |
(nm endsWith:'.class') ifTrue:[ |
|
229 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
230 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
231 |
] |
|
232 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
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233 |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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|
234 |
'/phys/ibm3/java/lib/java/applet' asFilename |
252 | 235 |
directoryContents do:[:nm | |
236 |
(nm endsWith:'.class') ifTrue:[ |
|
237 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
238 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
239 |
] |
|
240 |
]. |
|
14
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241 |
|
9 | 242 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/AbstractMethodError.class' |
14
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diff
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|
243 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 244 |
" |
245 |
||
246 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
247 |
! |
|
248 |
||
43 | 249 |
postLoadActions |
250 |
"Resolve all classes' string constants. |
|
251 |
Perform all class initialization functions (of those which are not |
|
252 |
yet initialized)." |
|
253 |
||
225 | 254 |
^ self postLoadActions:true |
255 |
||
256 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
257 |
! |
|
258 |
||
259 |
postLoadActions:loadUnresolved |
|
260 |
"Resolve all classes' string constants. |
|
252 | 261 |
Perform all class initialization functions |
262 |
(of those which are not yet initialized)." |
|
225 | 263 |
|
223 | 264 |
|classes prevUnresolved newUnresolved loader| |
43 | 265 |
|
91 | 266 |
"/ need at least java.lang.String, for valid constants |
167 | 267 |
Java java_lang_String isNil ifTrue:[ |
255 | 268 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 269 |
]. |
270 |
||
91 | 271 |
LazyClassLoading ifFalse:[ |
255 | 272 |
loader := ClassLoaderQuerySignal raise. |
273 |
||
274 |
prevUnresolved := nil. |
|
275 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
276 |
loadUnresolved ifTrue:[ |
|
277 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
278 |
newUnresolved do:[:nextUnresolved | |
|
279 |
|classURL| |
|
223 | 280 |
|
255 | 281 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
282 |
Silent ifFalse:[ |
|
283 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
284 |
]. |
|
285 |
loader isNil ifTrue:[ |
|
286 |
self |
|
287 |
loadClassLazy:nextUnresolved |
|
288 |
ignoring:(Set new). |
|
289 |
] ifFalse:[ |
|
290 |
"/ |
|
291 |
"/ the aquired loader is a javaClassLoader |
|
292 |
"/ which expects an URL as arg. |
|
293 |
"/ |
|
294 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
295 |
"/ loader loadClass:classURL |
|
296 |
loader |
|
297 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
298 |
with:(Java as_String:(nextUnresolved asString)). |
|
299 |
] |
|
300 |
] |
|
301 |
]. |
|
302 |
prevUnresolved := newUnresolved. |
|
303 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
304 |
]. |
|
305 |
]. |
|
229 | 306 |
|
255 | 307 |
newUnresolved size == 0 ifTrue:[ |
308 |
"/ nothing unresolved |
|
91 | 309 |
|
255 | 310 |
(classes := Java allClasses) notNil ifTrue:[ |
311 |
"/ init all new classes |
|
312 |
"/ fetch again - there could be new ones ... |
|
91 | 313 |
|
255 | 314 |
classes := Java allClasses. |
315 |
classes do:[:aJavaClass | |
|
316 |
aJavaClass isInitialized ifFalse:[ |
|
317 |
Silent ifFalse:[ |
|
318 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
319 |
]. |
|
320 |
aJavaClass classInit |
|
321 |
] |
|
322 |
] |
|
323 |
] |
|
324 |
]. |
|
43 | 325 |
] |
167 | 326 |
|
252 | 327 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
255 | 328 |
"Modified: / 7.1.1998 / 14:13:55 / cg" |
43 | 329 |
! |
330 |
||
54 | 331 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 332 |
"reads a class from aFilename and returns it. |
91 | 333 |
The JavaClass is NOT installed as global and unresolved |
334 |
refs are NOT patched." |
|
7 | 335 |
|
73 | 336 |
|inStream javaClass| |
1 | 337 |
|
43 | 338 |
Silent ifFalse:[ |
318 | 339 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 340 |
]. |
21 | 341 |
|
1 | 342 |
inStream := aFilename asFilename readStream. |
91 | 343 |
inStream isNil ifTrue:[ |
318 | 344 |
('JAVA [info]: no file: ' , aFilename) printCR. |
345 |
self halt. |
|
346 |
^ nil |
|
91 | 347 |
]. |
348 |
||
349 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
73 | 350 |
javaClass notNil ifTrue:[ |
318 | 351 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 352 |
]. |
1 | 353 |
inStream close. |
27 | 354 |
|
91 | 355 |
AbsolutelySilent ifFalse:[ |
318 | 356 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 357 |
]. |
27 | 358 |
|
73 | 359 |
^ javaClass |
1 | 360 |
|
318 | 361 |
"Created: / 15.4.1996 / 14:58:53 / cg" |
362 |
"Modified: / 6.2.1998 / 02:20:58 / cg" |
|
1 | 363 |
! |
364 |
||
198 | 365 |
readStream:aStream |
366 |
"reads a class from aStream and returns it. |
|
223 | 367 |
The JavaClass is installed as global. |
368 |
If new classes are required to be loaded, a new standard loader |
|
369 |
is created." |
|
198 | 370 |
|
223 | 371 |
^ self readStream:aStream loader:nil |
198 | 372 |
|
223 | 373 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 374 |
! |
375 |
||
54 | 376 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 377 |
"reads a class from aStream and returns it. |
378 |
The JavaClass is not installed as global" |
|
379 |
||
54 | 380 |
^ self new readStream:aStream ignoring:classesBeingLoaded |
1 | 381 |
|
382 |
" |
|
383 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
384 |
" |
|
385 |
||
386 |
"Modified: 15.4.1996 / 15:01:30 / cg" |
|
223 | 387 |
! |
388 |
||
389 |
readStream:aStream loader:aClassLoader |
|
390 |
"reads a class from aStream and returns it. |
|
391 |
The JavaClass is installed as global. |
|
392 |
If new classes are required to be loaded, aClassLoader is |
|
393 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
394 |
is created." |
|
395 |
||
225 | 396 |
^ self |
252 | 397 |
readStream:aStream |
398 |
loader:aClassLoader |
|
399 |
loadUnresolved:true |
|
225 | 400 |
|
401 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
402 |
! |
|
403 |
||
404 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
405 |
"reads a class from aStream and returns it. |
|
406 |
The JavaClass is installed as global. |
|
407 |
If new classes are required to be loaded, aClassLoader is |
|
408 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
409 |
is created." |
|
410 |
||
223 | 411 |
|javaClass| |
412 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
413 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
414 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
415 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
416 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
417 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
418 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
419 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
420 |
]. |
223 | 421 |
]. |
422 |
^ javaClass |
|
423 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
424 |
"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
|
425 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
1 | 426 |
! ! |
427 |
||
428 |
!JavaClassReader methodsFor:'file reading'! |
|
429 |
||
54 | 430 |
readClassFileIgnoring:classesbeingLoaded |
7 | 431 |
"reads a class from inStream and returns it. |
38 | 432 |
The JavaClass is not installed as global and its constants |
433 |
(especially strings) may not be fully resolved." |
|
7 | 434 |
|
9 | 435 |
|magic |
38 | 436 |
access_flags this_class this_class_index super_class super_class_index |
437 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
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changeset
|
438 |
fields interfaces staticFields nStatic |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
439 |
jSuperClass loader| |
1 | 440 |
|
441 |
"/ |
|
442 |
"/ read magic, determine byte order |
|
443 |
"/ |
|
444 |
msb := true. |
|
128 | 445 |
magic := inStream nextUnsignedLongMSB:msb. |
1 | 446 |
magic = 16rCAFEBABE ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
447 |
magic = 16rBEBAFECA ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
448 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
449 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
450 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
451 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
452 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 453 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
454 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 455 |
]. |
456 |
||
457 |
"/ |
|
458 |
"/ get version |
|
459 |
"/ |
|
128 | 460 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
461 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 462 |
|
99 | 463 |
(majorVsn ~~ 45 or:[minorVsn ~~ 3]) ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
464 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 465 |
]. |
466 |
||
467 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
468 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
469 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
470 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
471 |
showCR:(minorVsn printString). |
99 | 472 |
]. |
1 | 473 |
|
474 |
"/ |
|
475 |
"/ get constant pool |
|
476 |
"/ |
|
477 |
self readConstantPool. |
|
478 |
||
479 |
"/ |
|
480 |
"/ access flags |
|
481 |
"/ |
|
128 | 482 |
access_flags := inStream nextUnsignedShortMSB:msb. |
483 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
484 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 485 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
486 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
487 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
488 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
489 |
super_class := constants at:super_class_index. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
490 |
existingSuperClass := Java classNamed:super_class fullName. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
491 |
existingSuperClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
492 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
493 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
494 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
495 |
Silent ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
496 |
'load superClass: ' print. super_class fullName printCR. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
497 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
498 |
loader := ClassLoaderQuerySignal raise. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
499 |
loader isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
500 |
existingSuperClass := self class |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
501 |
loadClassLazy:(super_class fullName) |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
502 |
ignoring:classesbeingLoaded. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
503 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
504 |
jSuperClass := loader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
505 |
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
|
506 |
with:(Java as_String:(super_class fullName)). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
507 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
508 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
509 |
existingSuperClass isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
510 |
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
|
511 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
512 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
513 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
514 |
self halt:'oops - superclass ?' |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
515 |
] |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
516 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
517 |
]. |
1 | 518 |
|
519 |
"/ |
|
520 |
"/ get interfaces |
|
521 |
"/ |
|
38 | 522 |
interfaces := self readInterfaces. |
1 | 523 |
|
524 |
"/ |
|
525 |
"/ get fields |
|
526 |
"/ |
|
38 | 527 |
fields := self readFieldInfofields. |
40 | 528 |
|
529 |
"/ |
|
530 |
"/ create the fields as instVars |
|
531 |
"/ static fields are created as class-InstVars |
|
532 |
"/ |
|
533 |
staticFields := fields select:[:f | f isStatic]. |
|
534 |
nStatic := staticFields size. |
|
535 |
||
536 |
this_class_ref := constants at:this_class_index. |
|
182 | 537 |
this_class := JavaClass fullName:(this_class_ref fullName) numStatic:nStatic. |
538 |
||
40 | 539 |
nStatic ~~ 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
540 |
fields := fields select:[:f | f isStatic not]. |
40 | 541 |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
542 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
543 |
this_class setStaticFields:staticFields. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
544 |
this_class initializeStaticFields. |
40 | 545 |
]. |
546 |
||
547 |
this_class setAccessFlags:access_flags. |
|
548 |
this_class setSuperclass:super_class. |
|
549 |
this_class setConstantPool:constants. |
|
550 |
||
52 | 551 |
this_class setFields:fields. |
110 | 552 |
this_class setInterfaces:interfaces. |
1 | 553 |
|
554 |
"/ |
|
555 |
"/ get methods |
|
556 |
"/ |
|
38 | 557 |
self readMethodsFor:this_class. |
1 | 558 |
|
5 | 559 |
self readAttributesFor:this_class. |
560 |
||
91 | 561 |
constants owner:this_class. |
562 |
||
5 | 563 |
^ this_class |
564 |
||
1 | 565 |
" |
566 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
567 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 568 |
|
569 |
JavaClassReader verbose:true. |
|
570 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
571 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 572 |
" |
573 |
||
252 | 574 |
"Created: / 15.4.1996 / 15:02:47 / cg" |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
575 |
"Modified: / 23.1.1998 / 17:44:55 / cg" |
1 | 576 |
! |
577 |
||
5 | 578 |
readSourceFileAttributeFor:aJavaClass |
579 |
|attribute_length sourceFile_index sourceFile| |
|
580 |
||
128 | 581 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 582 |
|
128 | 583 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
5 | 584 |
sourceFile := constants at:sourceFile_index. |
585 |
||
586 |
aJavaClass setSourceFile:sourceFile. |
|
587 |
||
61 | 588 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
5 | 589 |
^ true |
590 |
||
591 |
" |
|
592 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
593 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
594 |
" |
|
595 |
||
596 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
597 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
598 |
! |
|
599 |
||
54 | 600 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 601 |
"reads a class from aStream and returns it. |
602 |
The JavaClass is not installed as global" |
|
603 |
||
5 | 604 |
inStream := aStream. |
605 |
inStream binary. |
|
38 | 606 |
|
54 | 607 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 608 |
|
609 |
" |
|
610 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
611 |
" |
|
612 |
||
613 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
614 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
615 |
! ! |
|
616 |
||
617 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
618 |
||
619 |
readAttribute:attributeName for:something |
|
83 | 620 |
|
5 | 621 |
(attributeName = 'Code') ifTrue:[ |
252 | 622 |
self readCodeAttributeFor:something. |
623 |
^ true. |
|
5 | 624 |
]. |
83 | 625 |
(attributeName = 'Exceptions') ifTrue:[ |
252 | 626 |
self readExceptionsAttributeFor:something. |
627 |
^ true. |
|
83 | 628 |
]. |
5 | 629 |
(attributeName = 'LineNumberTable') ifTrue:[ |
252 | 630 |
self readLineNumberTableAttributeFor:something. |
631 |
^ true. |
|
5 | 632 |
]. |
633 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
252 | 634 |
self readLocalVariableTableAttributeFor:something. |
635 |
^ true. |
|
5 | 636 |
]. |
637 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
252 | 638 |
self readConstantValueAttributeFor:something. |
639 |
^ true. |
|
5 | 640 |
]. |
641 |
(attributeName = 'SourceFile') ifTrue:[ |
|
252 | 642 |
self readSourceFileAttributeFor:something. |
643 |
^ true. |
|
644 |
]. |
|
645 |
(attributeName = 'Deprecated') ifTrue:[ |
|
646 |
^ false. |
|
5 | 647 |
]. |
83 | 648 |
|
649 |
('JAVA: unrecognized attribute: ' , attributeName) infoPrintCR. |
|
5 | 650 |
^ false |
651 |
||
652 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
653 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
654 |
! |
|
655 |
||
656 |
readAttributeFor:something |
|
657 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
658 |
||
61 | 659 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 660 |
|
128 | 661 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 662 |
|
663 |
"/ |
|
664 |
"/ UNDOC feature ? |
|
665 |
"/ |
|
666 |
attribute_name_index > constants size ifTrue:[ |
|
252 | 667 |
attribute_name_index == 16rb700 ifTrue:[ |
668 |
self halt. |
|
669 |
] |
|
9 | 670 |
]. |
671 |
||
5 | 672 |
attribute_name := constants at:attribute_name_index. |
9 | 673 |
|
61 | 674 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 675 |
|
5 | 676 |
(self readAttribute:attribute_name for:something) ifFalse:[ |
252 | 677 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
678 |
attribute_info := ByteArray new:(attribute_length). |
|
679 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
5 | 680 |
|
252 | 681 |
Verbose ifTrue:[Transcript show:'skipped '; show:attribute_name; showCR:'-attribute']. |
5 | 682 |
]. |
683 |
||
684 |
" |
|
685 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
686 |
" |
|
687 |
||
688 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
689 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
690 |
! |
|
691 |
||
692 |
readAttributesFor:something |
|
693 |
|attributes_count| |
|
694 |
||
128 | 695 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 696 |
|
697 |
1 to:attributes_count do:[:i | |
|
252 | 698 |
self readAttributeFor:something. |
5 | 699 |
]. |
700 |
||
701 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
702 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
703 |
! ! |
|
704 |
||
705 |
!JavaClassReader methodsFor:'file reading - constants'! |
|
706 |
||
1 | 707 |
readConstant |
708 |
|tag constReader const| |
|
709 |
||
710 |
||
11 | 711 |
constNeeds2Slots := false. |
712 |
||
1 | 713 |
"/ |
714 |
"/ get tag |
|
715 |
"/ |
|
128 | 716 |
tag := inStream nextByte. |
61 | 717 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 718 |
|
719 |
constReader := #( |
|
252 | 720 |
readConstant_Asciz "/ 1 - now called Utf8 |
721 |
readConstant_Unicode "/ 2 |
|
722 |
readConstant_Integer "/ 3 |
|
723 |
readConstant_Float "/ 4 |
|
724 |
readConstant_Long "/ 5 |
|
725 |
readConstant_Double "/ 6 |
|
726 |
readConstant_Class "/ 7 |
|
727 |
readConstant_String "/ 8 |
|
728 |
readConstant_Fieldref "/ 9 |
|
729 |
readConstant_Methodref "/ 10 |
|
730 |
readConstant_InterfaceMethodref "/ 11 |
|
731 |
readConstant_NameAndType "/ 12 |
|
732 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
1 | 733 |
|
734 |
^ self perform:constReader. |
|
735 |
||
736 |
" |
|
737 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
738 |
" |
|
739 |
||
740 |
"Created: 15.4.1996 / 15:46:32 / cg" |
|
741 |
"Modified: 15.4.1996 / 15:47:00 / cg" |
|
742 |
! |
|
743 |
||
744 |
readConstantPool |
|
11 | 745 |
|constantPoolCount const i| |
1 | 746 |
|
747 |
"/ |
|
748 |
"/ get constant pool |
|
749 |
"/ |
|
128 | 750 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 751 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 752 |
|
91 | 753 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 754 |
|
21 | 755 |
constSlot := 1. |
756 |
[constSlot < constantPoolCount] whileTrue:[ |
|
252 | 757 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
758 |
const := self readConstant. |
|
759 |
constants at:constSlot put:const. |
|
760 |
constNeeds2Slots ifTrue:[ |
|
761 |
constSlot := constSlot + 1. |
|
762 |
]. |
|
763 |
constSlot := constSlot + 1. |
|
1 | 764 |
]. |
765 |
||
52 | 766 |
constSlot := -1. |
767 |
||
91 | 768 |
"/ preresolve what can be (especially, strings are resolved here) |
769 |
||
1 | 770 |
1 to:constantPoolCount-1 do:[:i | |
252 | 771 |
|const value| |
1 | 772 |
|
252 | 773 |
const := constants at:i. |
774 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
775 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
776 |
value := const preResolve. |
|
777 |
value ~~ const ifTrue:[ |
|
778 |
constants at:i put:value. |
|
779 |
] |
|
780 |
] |
|
781 |
] |
|
1 | 782 |
]. |
783 |
||
784 |
" |
|
785 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
786 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
787 |
" |
|
788 |
||
789 |
"Created: 15.4.1996 / 15:14:11 / cg" |
|
790 |
"Modified: 15.4.1996 / 16:41:57 / cg" |
|
791 |
! |
|
792 |
||
793 |
readConstant_Asciz |
|
794 |
|len string| |
|
795 |
||
128 | 796 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 797 |
string := String new:len. |
798 |
inStream nextBytes:len into:string startingAt:1. |
|
799 |
||
61 | 800 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 801 |
|
802 |
^ string |
|
803 |
||
804 |
" |
|
805 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
806 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
807 |
" |
|
808 |
||
809 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
810 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
811 |
! |
|
812 |
||
813 |
readConstant_Class |
|
52 | 814 |
|name_index name| |
1 | 815 |
|
128 | 816 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 817 |
|
61 | 818 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 819 |
|
52 | 820 |
name := constants at:name_index. |
821 |
name notNil ifTrue:[ |
|
252 | 822 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
823 |
"/ self halt |
|
52 | 824 |
]. |
825 |
||
21 | 826 |
^ JavaUnresolvedClassConstant |
252 | 827 |
pool:constants |
828 |
poolIndex:constSlot |
|
829 |
nameIndex:name_index |
|
91 | 830 |
|
1 | 831 |
" |
832 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
833 |
" |
|
834 |
||
835 |
"Created: 15.4.1996 / 15:21:13 / cg" |
|
193 | 836 |
"Modified: 1.8.1997 / 21:27:28 / cg" |
1 | 837 |
! |
838 |
||
11 | 839 |
readConstant_Double |
840 |
|high low aFloat| |
|
841 |
||
128 | 842 |
high := inStream nextUnsignedLongMSB:msb. |
843 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 844 |
|
845 |
aFloat := Float new. |
|
846 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 847 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
848 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
849 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
850 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
851 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
852 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
853 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
854 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 855 |
] ifFalse:[ |
252 | 856 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
857 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
858 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
859 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
860 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
861 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
862 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
863 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 864 |
]. |
865 |
||
866 |
constNeeds2Slots := true. |
|
867 |
||
61 | 868 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 869 |
^ aFloat |
870 |
||
871 |
" |
|
872 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
873 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
874 |
" |
|
875 |
||
876 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
877 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
878 |
! |
|
879 |
||
1 | 880 |
readConstant_Fieldref |
881 |
|class_index name_and_type_index| |
|
882 |
||
128 | 883 |
class_index := inStream nextUnsignedShortMSB:msb. |
884 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 885 |
|
61 | 886 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
887 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 888 |
|
91 | 889 |
^ JavaUnresolvedFieldrefConstant |
252 | 890 |
pool:constants |
891 |
poolIndex:constSlot |
|
892 |
classIndex:class_index |
|
893 |
nameandTypeIndex:name_and_type_index |
|
1 | 894 |
|
895 |
" |
|
896 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
897 |
" |
|
898 |
||
899 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
900 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
901 |
! |
|
902 |
||
11 | 903 |
readConstant_Float |
904 |
|high aFloat| |
|
905 |
||
128 | 906 |
high := inStream nextUnsignedLongMSB:msb. |
11 | 907 |
|
908 |
aFloat := ShortFloat basicNew. |
|
909 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 910 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
911 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
912 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
913 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
11 | 914 |
] ifFalse:[ |
252 | 915 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
916 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
|
917 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
|
918 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 919 |
]. |
920 |
||
61 | 921 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 922 |
^ aFloat |
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 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
930 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
931 |
! |
|
932 |
||
1 | 933 |
readConstant_Integer |
934 |
|value| |
|
935 |
||
128 | 936 |
value := inStream nextLongMSB:msb. |
1 | 937 |
|
61 | 938 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 939 |
|
940 |
^ value |
|
941 |
||
942 |
" |
|
943 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
944 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
945 |
" |
|
946 |
||
947 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
948 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
949 |
! |
|
950 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
951 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
952 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
953 |
|
128 | 954 |
class_index := inStream nextUnsignedShortMSB:msb. |
955 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
956 |
|
61 | 957 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
958 |
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
|
959 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
960 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 961 |
pool:constants |
962 |
poolIndex:constSlot |
|
963 |
classIndex:class_index |
|
964 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
965 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
966 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
967 |
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
|
968 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
969 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
970 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
971 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
972 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
973 |
|
11 | 974 |
readConstant_Long |
975 |
|high low value| |
|
976 |
||
128 | 977 |
high := inStream nextUnsignedLongMSB:msb. |
978 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 979 |
|
980 |
value := (high bitShift:32) bitOr:low. |
|
60 | 981 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 982 |
value := value - 16r10000000000000000. |
60 | 983 |
]. |
11 | 984 |
constNeeds2Slots := true. |
985 |
||
61 | 986 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 987 |
^ value |
988 |
||
989 |
" |
|
990 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
991 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
992 |
" |
|
993 |
||
994 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
995 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
996 |
! |
|
997 |
||
1 | 998 |
readConstant_Methodref |
999 |
|class_index name_and_type_index| |
|
1000 |
||
128 | 1001 |
class_index := inStream nextUnsignedShortMSB:msb. |
1002 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1003 |
|
61 | 1004 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1005 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1006 |
|
1007 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1008 |
pool:constants |
1009 |
poolIndex:constSlot |
|
1010 |
classIndex:class_index |
|
1011 |
nameandTypeIndex:name_and_type_index |
|
1 | 1012 |
|
1013 |
" |
|
1014 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1015 |
" |
|
1016 |
||
1017 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1018 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1019 |
! |
|
1020 |
||
91 | 1021 |
readConstant_NameAndType |
1 | 1022 |
|name_index signature_index| |
1023 |
||
128 | 1024 |
name_index := inStream nextUnsignedShortMSB:msb. |
1025 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1026 |
|
61 | 1027 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1028 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1029 |
|
1030 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1031 |
pool:constants |
1032 |
poolIndex:constSlot |
|
1033 |
nameIndex:name_index |
|
1034 |
signatureIndex:signature_index |
|
1 | 1035 |
|
1036 |
" |
|
1037 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1038 |
" |
|
1039 |
||
1040 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1041 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1042 |
! |
|
1043 |
||
1044 |
readConstant_String |
|
1045 |
|tag string_index| |
|
1046 |
||
128 | 1047 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1048 |
|
61 | 1049 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1050 |
|
91 | 1051 |
^ JavaUnresolvedStringConstant |
252 | 1052 |
pool:constants |
1053 |
poolIndex:constSlot |
|
1054 |
stringIndex:string_index |
|
1 | 1055 |
|
1056 |
" |
|
43 | 1057 |
Verbose := true. |
1058 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1059 |
" |
1060 |
||
1061 |
"Created: 15.4.1996 / 15:20:33 / cg" |
|
1062 |
"Modified: 15.4.1996 / 16:01:37 / cg" |
|
5 | 1063 |
! ! |
1064 |
||
1065 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1066 |
||
1067 |
readConstantValueAttributeFor:aField |
|
1068 |
|attribute_length constantvalue_index constantValue| |
|
1069 |
||
128 | 1070 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1071 |
|
128 | 1072 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1073 |
constantValue := constants at:constantvalue_index. |
1074 |
||
59 | 1075 |
aField constantValue:constantValue. |
1076 |
||
61 | 1077 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1078 |
^ true |
1079 |
||
1080 |
" |
|
1081 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1082 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1083 |
" |
|
1084 |
||
1085 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1086 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1087 |
! |
1088 |
||
1089 |
readFieldInfofield |
|
5 | 1090 |
|access_flags name_index signature_index attributes_count field| |
1 | 1091 |
|
128 | 1092 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1093 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1094 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1095 |
|
1096 |
field := JavaField new. |
|
1097 |
field setAccessFlags:access_flags. |
|
1098 |
field setName:(constants at:name_index). |
|
1099 |
field setSignature:(constants at:signature_index). |
|
1100 |
||
128 | 1101 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1102 |
|
99 | 1103 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
252 | 1104 |
show:' access: '; show:access_flags; |
1105 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1106 |
|
1 | 1107 |
1 to:attributes_count do:[:i | |
252 | 1108 |
self readAttributeFor:field. |
1 | 1109 |
]. |
1110 |
||
27 | 1111 |
^ field |
1112 |
||
1 | 1113 |
" |
1114 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1115 |
" |
|
1116 |
||
1117 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1118 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
1119 |
! |
|
1120 |
||
1121 |
readFieldInfofields |
|
38 | 1122 |
|nFields fields| |
1 | 1123 |
|
1124 |
"/ |
|
38 | 1125 |
"/ get fieldInfos |
1 | 1126 |
"/ |
128 | 1127 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1128 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1129 |
|
27 | 1130 |
fields := Array new:nFields. |
1131 |
||
1132 |
1 to:nFields do:[:i | |
|
252 | 1133 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1134 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1135 |
]. |
38 | 1136 |
^ fields |
1 | 1137 |
|
1138 |
" |
|
1139 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1140 |
" |
|
1141 |
||
1142 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1143 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1144 |
! ! |
1145 |
||
38 | 1146 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1147 |
||
1148 |
readInterfaces |
|
110 | 1149 |
|interfacesCount interface_index interface interfaces| |
38 | 1150 |
|
1151 |
"/ |
|
1152 |
"/ get interfaces |
|
1153 |
"/ |
|
128 | 1154 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1155 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1156 |
|
1157 |
interfaces := Array new:interfacesCount. |
|
1158 |
||
1159 |
1 to:interfacesCount do:[:i | |
|
252 | 1160 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1161 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1162 |
interface := constants at:interface_index. |
|
38 | 1163 |
|
252 | 1164 |
interfaces at:i put:interface. |
38 | 1165 |
]. |
1166 |
^ interfaces |
|
1167 |
||
1168 |
" |
|
1169 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1170 |
" |
|
1171 |
||
1172 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1173 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1174 |
! ! |
|
1175 |
||
5 | 1176 |
!JavaClassReader methodsFor:'file reading - methods'! |
1177 |
||
1178 |
readCodeAttributeFor:aJavaMethod |
|
1179 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1180 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1181 |
|
128 | 1182 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1183 |
|
9 | 1184 |
|
61 | 1185 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1186 |
|
99 | 1187 |
minorVsn > 2 ifTrue:[ |
252 | 1188 |
unknown1 := inStream nextByte. |
1189 |
max_stack := inStream nextByte. |
|
1190 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1191 |
unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1192 |
Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1193 |
Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1194 |
] ifFalse:[ |
252 | 1195 |
max_stack := inStream nextByte. |
1196 |
max_locals := inStream nextByte. |
|
9 | 1197 |
]. |
1198 |
||
128 | 1199 |
code_length := inStream nextUnsignedShortMSB:msb. |
61 | 1200 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
1201 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
38 | 1202 |
|
5 | 1203 |
code := ByteArray new:code_length. |
1204 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 1205 |
|
61 | 1206 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
9 | 1207 |
|
128 | 1208 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1209 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1210 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1211 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1212 |
|
252 | 1213 |
exception_table := Array new:exception_table_length. |
1214 |
1 to:exception_table_length do:[:i | |
|
1215 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1216 |
|
252 | 1217 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1218 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1219 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1220 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1221 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1222 |
startPC:start_pc |
|
1223 |
endPC:end_pc |
|
1224 |
handlerPC:handler_pc |
|
1225 |
catchType:catch_type). |
|
1226 |
]. |
|
1227 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1228 |
]. |
1229 |
||
29 | 1230 |
aJavaMethod |
252 | 1231 |
setCode:code |
1232 |
maxStack:max_stack |
|
1233 |
maxLocals:max_locals |
|
1234 |
u1:unknown1 |
|
1235 |
u2:unknown2. |
|
5 | 1236 |
|
1237 |
self readAttributesFor:aJavaMethod. |
|
1238 |
^ true |
|
1239 |
||
1 | 1240 |
" |
1241 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1242 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1243 |
" |
1244 |
||
1245 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
5 | 1246 |
"Created: 15.4.1996 / 15:40:17 / cg" |
1247 |
! |
|
1248 |
||
83 | 1249 |
readExceptionsAttributeFor:aJavaMethod |
1250 |
|attribute_length exception_table_length exception_table| |
|
1251 |
||
128 | 1252 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1253 |
|
128 | 1254 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1255 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1256 |
exception_table := Array new:exception_table_length. |
1257 |
1 to:exception_table_length do:[:i | |
|
1258 |
|idx ex| |
|
83 | 1259 |
|
252 | 1260 |
idx := inStream nextUnsignedShortMSB:msb. |
1261 |
ex := constants at:idx. |
|
1262 |
exception_table at:i put:ex. |
|
1263 |
]. |
|
83 | 1264 |
]. |
1265 |
||
1266 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1267 |
||
1268 |
aJavaMethod setExceptionTable:exception_table. |
|
1269 |
^ true |
|
1270 |
||
1271 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1272 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1273 |
! |
|
1274 |
||
5 | 1275 |
readLineNumberTableAttributeFor:aJavaMethod |
1276 |
|attribute_length line_number_table_length line_number_table| |
|
1277 |
||
128 | 1278 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1279 |
|
128 | 1280 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1281 |
line_number_table_length ~~ 0 ifTrue:[ |
252 | 1282 |
line_number_table := Array new:line_number_table_length. |
1283 |
1 to:line_number_table_length do:[:i | |
|
1284 |
|start_pc line_number| |
|
5 | 1285 |
|
252 | 1286 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1287 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1288 |
line_number_table at:i put:(start_pc -> line_number). |
|
1289 |
]. |
|
5 | 1290 |
]. |
1291 |
||
61 | 1292 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
9 | 1293 |
|
5 | 1294 |
aJavaMethod setLineNumberTable:line_number_table. |
1295 |
^ true |
|
1296 |
||
1297 |
" |
|
1298 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1299 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1300 |
" |
|
1301 |
||
1302 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1303 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1304 |
! |
1305 |
||
50 | 1306 |
readLocalVariableTableAttributeFor:aJavaMethod |
1307 |
|attribute_length local_variable_table_length local_variable_table| |
|
1308 |
||
128 | 1309 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1310 |
|
128 | 1311 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1312 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1313 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1314 |
1 to:local_variable_table_length do:[:i | |
|
1315 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1316 |
|
252 | 1317 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1318 |
length := inStream nextUnsignedShortMSB:msb. |
|
1319 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1320 |
name := constants at:name_index. |
|
1321 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1322 |
signature := constants at:sig_index. |
|
1323 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1324 |
|
252 | 1325 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1326 |
startPC:start_pc |
|
1327 |
length:length |
|
1328 |
name:name |
|
1329 |
signature:signature |
|
1330 |
slot:slot) |
|
1331 |
]. |
|
50 | 1332 |
]. |
1333 |
||
61 | 1334 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1335 |
|
1336 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1337 |
^ true |
|
1338 |
||
1339 |
" |
|
1340 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1341 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1342 |
" |
|
1343 |
||
1344 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1345 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1346 |
! |
|
1347 |
||
38 | 1348 |
readMethodFor:aJavaClass |
273 | 1349 |
|m access_flags name_index name signature_index signature |
1350 |
tooManyArgs| |
|
1 | 1351 |
|
1352 |
"/ |
|
1353 |
"/ get a method |
|
1354 |
"/ |
|
128 | 1355 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1356 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1357 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1358 |
|
5 | 1359 |
name := constants at:name_index. |
1360 |
signature := constants at:signature_index. |
|
9 | 1361 |
|
61 | 1362 |
Verbose ifTrue:[Transcript show:'method name:'; showCR:name. |
273 | 1363 |
Transcript show:'signature:'; showCR:signature.]. |
9 | 1364 |
|
5 | 1365 |
m := JavaMethod new. |
1366 |
m setAccessFlags:access_flags. |
|
273 | 1367 |
tooManyArgs := false. |
1368 |
Method argumentSignal handle:[:ex | |
|
1369 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1370 |
tooManyArgs := true. |
|
1371 |
ex proceed. |
|
1372 |
] do:[ |
|
1373 |
m setName:name signature:signature. |
|
1374 |
]. |
|
38 | 1375 |
m setJavaClass:aJavaClass. |
5 | 1376 |
|
1377 |
self readAttributesFor:m. |
|
1378 |
||
273 | 1379 |
tooManyArgs ifTrue:[ |
1380 |
m code:nil. |
|
1381 |
m byteCode:nil. |
|
1382 |
]. |
|
38 | 1383 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1384 |
|
1385 |
" |
|
1386 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1387 |
" |
|
1388 |
||
273 | 1389 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
1390 |
"Modified: / 27.1.1998 / 17:46:53 / cg" |
|
1 | 1391 |
! |
1392 |
||
38 | 1393 |
readMethodsFor:aJavaClass |
1 | 1394 |
|methodsCount method| |
1395 |
||
1396 |
||
1397 |
"/ |
|
1398 |
"/ get methods |
|
1399 |
"/ |
|
128 | 1400 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 1401 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1402 |
|
1403 |
1 to:methodsCount do:[:i | |
|
252 | 1404 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
1405 |
method := self readMethodFor:aJavaClass |
|
1 | 1406 |
]. |
1407 |
||
1408 |
" |
|
1409 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1410 |
" |
|
1411 |
||
1412 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1413 |
"Created: 15.4.1996 / 16:46:30 / cg" |
|
1414 |
! ! |
|
1415 |
||
135 | 1416 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 1417 |
|
1418 |
version |
|
318 | 1419 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.56 1998/02/06 01:55:46 cg Exp $' |
1 | 1420 |
! ! |
1421 |
JavaClassReader initialize! |