author | cg |
Tue, 27 Jan 1998 16:54:39 +0000 | |
changeset 275 | 92b7ebb0b54c |
parent 273 | bcbea5ac4860 |
child 278 | 9d0ed6e743da |
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:[ |
252 | 104 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
105 |
self halt:'should not happen'. |
|
106 |
^ nil |
|
91 | 107 |
]. |
108 |
(aClassName endsWith:'[]') ifTrue:[ |
|
252 | 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:$.) ifTrue:[ |
|
252 | 116 |
clsName := clsName asString copy replaceAll:$. with:$/ |
50 | 117 |
]. |
38 | 118 |
|
91 | 119 |
(classesBeingLoaded notNil and:[classesBeingLoaded includes:clsName]) ifTrue:[ |
252 | 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:[ |
252 | 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:[ |
|
252 | 132 |
loadedClass := Set with:clsName |
91 | 133 |
] ifFalse:[ |
252 | 134 |
loadedClass := Set withAll:classesBeingLoaded. |
135 |
loadedClass add:clsName. |
|
91 | 136 |
]. |
54 | 137 |
|
135 | 138 |
Java classPath do:[:path | |
252 | 139 |
|nm p| |
91 | 140 |
|
252 | 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 |
rslt := self loadFileLazy:nm ignoring:loadedClass. |
|
152 |
rslt notNil ifTrue:[^ rslt]. |
|
153 |
]. |
|
154 |
] |
|
38 | 155 |
]. |
156 |
||
91 | 157 |
('JAVA: no file found for: ' , clsName) infoPrintCR. |
158 |
^ nil |
|
135 | 159 |
|
252 | 160 |
"Modified: / 14.8.1997 / 11:38:42 / stefan" |
161 |
"Modified: / 3.1.1998 / 22:28:37 / cg" |
|
38 | 162 |
! |
163 |
||
7 | 164 |
loadFile:aFilename |
43 | 165 |
"reads a class from aFilename, installs and returns it. |
166 |
The classes strings are fixed and its class-init function is called." |
|
167 |
||
54 | 168 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 169 |
self postLoadActions |
170 |
! |
|
171 |
||
54 | 172 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 173 |
"reads a class from aFilename, installs and returns it. |
91 | 174 |
Strings are fixed and classrefs are fixed, |
175 |
but NO no class-init functions are called." |
|
7 | 176 |
|
21 | 177 |
|javaClass pool| |
7 | 178 |
|
54 | 179 |
javaClass := self readFile:aFilename ignoring:classesBeingLoaded. |
7 | 180 |
javaClass notNil ifTrue:[ |
252 | 181 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
21 | 182 |
|
252 | 183 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
21 | 184 |
|
252 | 185 |
JavaUnresolvedConstant resolveFor:javaClass. |
7 | 186 |
]. |
9 | 187 |
^ javaClass |
7 | 188 |
|
189 |
" |
|
190 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 191 |
|
192 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
252 | 193 |
directoryContents do:[:nm | |
194 |
(nm endsWith:'.class') ifTrue:[ |
|
195 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
|
196 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
|
197 |
] |
|
198 |
]. |
|
9 | 199 |
|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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'/phys/ibm3/java/lib/java/io' asFilename |
252 | 201 |
directoryContents do:[:nm | |
202 |
(nm endsWith:'.class') ifTrue:[ |
|
203 |
('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
|
204 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
|
205 |
] |
|
206 |
]. |
|
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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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'/phys/ibm3/java/lib/java/net' asFilename |
252 | 209 |
directoryContents do:[:nm | |
210 |
(nm endsWith:'.class') ifTrue:[ |
|
211 |
('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
|
212 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
|
213 |
] |
|
214 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
cg
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|
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can now load all java.class files (see JavaClassReader>>loadFile:)
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216 |
'/phys/ibm3/java/lib/java/util' asFilename |
252 | 217 |
directoryContents do:[:nm | |
218 |
(nm endsWith:'.class') ifTrue:[ |
|
219 |
('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
|
220 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
|
221 |
] |
|
222 |
]. |
|
14
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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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parents:
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|
224 |
'/phys/ibm3/java/lib/java/awt' asFilename |
252 | 225 |
directoryContents do:[:nm | |
226 |
(nm endsWith:'.class') ifTrue:[ |
|
227 |
('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
|
228 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
|
229 |
] |
|
230 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
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231 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
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|
232 |
'/phys/ibm3/java/lib/java/applet' asFilename |
252 | 233 |
directoryContents do:[:nm | |
234 |
(nm endsWith:'.class') ifTrue:[ |
|
235 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
|
236 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
|
237 |
] |
|
238 |
]. |
|
14
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can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
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diff
changeset
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239 |
|
9 | 240 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/AbstractMethodError.class' |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
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diff
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|
241 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 242 |
" |
243 |
||
244 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
245 |
! |
|
246 |
||
43 | 247 |
postLoadActions |
248 |
"Resolve all classes' string constants. |
|
249 |
Perform all class initialization functions (of those which are not |
|
250 |
yet initialized)." |
|
251 |
||
225 | 252 |
^ self postLoadActions:true |
253 |
||
254 |
"Modified: 15.8.1997 / 01:02:17 / cg" |
|
255 |
! |
|
256 |
||
257 |
postLoadActions:loadUnresolved |
|
258 |
"Resolve all classes' string constants. |
|
252 | 259 |
Perform all class initialization functions |
260 |
(of those which are not yet initialized)." |
|
225 | 261 |
|
223 | 262 |
|classes prevUnresolved newUnresolved loader| |
43 | 263 |
|
91 | 264 |
"/ need at least java.lang.String, for valid constants |
167 | 265 |
Java java_lang_String isNil ifTrue:[ |
255 | 266 |
self loadClassLazy:'java.lang.String' ignoring:(Set new). |
54 | 267 |
]. |
268 |
||
91 | 269 |
LazyClassLoading ifFalse:[ |
255 | 270 |
loader := ClassLoaderQuerySignal raise. |
271 |
||
272 |
prevUnresolved := nil. |
|
273 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
274 |
loadUnresolved ifTrue:[ |
|
275 |
[prevUnresolved ~= newUnresolved] whileTrue:[ |
|
276 |
newUnresolved do:[:nextUnresolved | |
|
277 |
|classURL| |
|
223 | 278 |
|
255 | 279 |
(Java at:nextUnresolved) isNil ifTrue:[ "/ could have been loaded in the meantime |
280 |
Silent ifFalse:[ |
|
281 |
'loading unresolved: ' print. nextUnresolved printCR. |
|
282 |
]. |
|
283 |
loader isNil ifTrue:[ |
|
284 |
self |
|
285 |
loadClassLazy:nextUnresolved |
|
286 |
ignoring:(Set new). |
|
287 |
] ifFalse:[ |
|
288 |
"/ |
|
289 |
"/ the aquired loader is a javaClassLoader |
|
290 |
"/ which expects an URL as arg. |
|
291 |
"/ |
|
292 |
"/ classURL := Java as_URL:('file:' , nextUnresolved asString , '.class'). |
|
293 |
"/ loader loadClass:classURL |
|
294 |
loader |
|
295 |
perform:#'loadClass(Ljava/lang/String;)Ljava/lang/Class;' |
|
296 |
with:(Java as_String:(nextUnresolved asString)). |
|
297 |
] |
|
298 |
] |
|
299 |
]. |
|
300 |
prevUnresolved := newUnresolved. |
|
301 |
newUnresolved := JavaUnresolvedConstant unresolvedClassNames asArray. |
|
302 |
]. |
|
303 |
]. |
|
229 | 304 |
|
255 | 305 |
newUnresolved size == 0 ifTrue:[ |
306 |
"/ nothing unresolved |
|
91 | 307 |
|
255 | 308 |
(classes := Java allClasses) notNil ifTrue:[ |
309 |
"/ init all new classes |
|
310 |
"/ fetch again - there could be new ones ... |
|
91 | 311 |
|
255 | 312 |
classes := Java allClasses. |
313 |
classes do:[:aJavaClass | |
|
314 |
aJavaClass isInitialized ifFalse:[ |
|
315 |
Silent ifFalse:[ |
|
316 |
'performing class initialization of ' print. aJavaClass fullName printCR. |
|
317 |
]. |
|
318 |
aJavaClass classInit |
|
319 |
] |
|
320 |
] |
|
321 |
] |
|
322 |
]. |
|
43 | 323 |
] |
167 | 324 |
|
252 | 325 |
"Created: / 15.8.1997 / 01:01:44 / cg" |
255 | 326 |
"Modified: / 7.1.1998 / 14:13:55 / cg" |
43 | 327 |
! |
328 |
||
54 | 329 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 330 |
"reads a class from aFilename and returns it. |
91 | 331 |
The JavaClass is NOT installed as global and unresolved |
332 |
refs are NOT patched." |
|
7 | 333 |
|
73 | 334 |
|inStream javaClass| |
1 | 335 |
|
43 | 336 |
Silent ifFalse:[ |
252 | 337 |
'reading ' print. aFilename print. ' ...' printNL. |
43 | 338 |
]. |
21 | 339 |
|
1 | 340 |
inStream := aFilename asFilename readStream. |
91 | 341 |
inStream isNil ifTrue:[ |
252 | 342 |
('no file: ' , aFilename) printCR. |
343 |
self halt. |
|
344 |
^ nil |
|
91 | 345 |
]. |
346 |
||
347 |
javaClass := self new readStream:inStream ignoring:classesBeingLoaded. |
|
73 | 348 |
javaClass notNil ifTrue:[ |
252 | 349 |
javaClass setBinaryFilePath:(inStream pathName). |
73 | 350 |
]. |
1 | 351 |
inStream close. |
27 | 352 |
|
91 | 353 |
AbsolutelySilent ifFalse:[ |
252 | 354 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 355 |
]. |
27 | 356 |
|
73 | 357 |
^ javaClass |
1 | 358 |
|
359 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
360 |
! |
|
361 |
||
198 | 362 |
readStream:aStream |
363 |
"reads a class from aStream and returns it. |
|
223 | 364 |
The JavaClass is installed as global. |
365 |
If new classes are required to be loaded, a new standard loader |
|
366 |
is created." |
|
198 | 367 |
|
223 | 368 |
^ self readStream:aStream loader:nil |
198 | 369 |
|
223 | 370 |
"Modified: 14.8.1997 / 19:51:50 / cg" |
198 | 371 |
! |
372 |
||
54 | 373 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 374 |
"reads a class from aStream and returns it. |
375 |
The JavaClass is not installed as global" |
|
376 |
||
54 | 377 |
^ self new readStream:aStream ignoring:classesBeingLoaded |
1 | 378 |
|
379 |
" |
|
380 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
381 |
" |
|
382 |
||
383 |
"Modified: 15.4.1996 / 15:01:30 / cg" |
|
223 | 384 |
! |
385 |
||
386 |
readStream:aStream loader:aClassLoader |
|
387 |
"reads a class from aStream and returns it. |
|
388 |
The JavaClass is installed as global. |
|
389 |
If new classes are required to be loaded, aClassLoader is |
|
390 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
391 |
is created." |
|
392 |
||
225 | 393 |
^ self |
252 | 394 |
readStream:aStream |
395 |
loader:aClassLoader |
|
396 |
loadUnresolved:true |
|
225 | 397 |
|
398 |
"Modified: 15.8.1997 / 01:00:35 / cg" |
|
399 |
! |
|
400 |
||
401 |
readStream:aStream loader:aClassLoader loadUnresolved:loadUnresolved |
|
402 |
"reads a class from aStream and returns it. |
|
403 |
The JavaClass is installed as global. |
|
404 |
If new classes are required to be loaded, aClassLoader is |
|
405 |
asked to do it. If aClassLoader is nil, a new standard loader |
|
406 |
is created." |
|
407 |
||
223 | 408 |
|javaClass| |
409 |
||
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
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|
410 |
ClassLoaderQuerySignal answer:aClassLoader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
411 |
do:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
412 |
javaClass := self readStream:aStream ignoring:(Set new). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
413 |
javaClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
414 |
self postLoadActions:loadUnresolved. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
415 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
416 |
JavaUnresolvedConstant resolveFor:javaClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
417 |
]. |
223 | 418 |
]. |
419 |
^ javaClass |
|
420 |
||
269
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use a helper to associate java.lang.class insts to javaClasses
cg
parents:
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diff
changeset
|
421 |
"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
|
422 |
"Modified: / 23.1.1998 / 17:14:09 / cg" |
1 | 423 |
! ! |
424 |
||
425 |
!JavaClassReader methodsFor:'file reading'! |
|
426 |
||
54 | 427 |
readClassFileIgnoring:classesbeingLoaded |
7 | 428 |
"reads a class from inStream and returns it. |
38 | 429 |
The JavaClass is not installed as global and its constants |
430 |
(especially strings) may not be fully resolved." |
|
7 | 431 |
|
9 | 432 |
|magic |
38 | 433 |
access_flags this_class this_class_index super_class super_class_index |
434 |
realSuperClass this_class_ref existingSuperClass |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
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|
435 |
fields interfaces staticFields nStatic |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
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parents:
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changeset
|
436 |
jSuperClass loader| |
1 | 437 |
|
438 |
"/ |
|
439 |
"/ read magic, determine byte order |
|
440 |
"/ |
|
441 |
msb := true. |
|
128 | 442 |
magic := inStream nextUnsignedLongMSB:msb. |
1 | 443 |
magic = 16rCAFEBABE ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
444 |
magic = 16rBEBAFECA ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
445 |
InvalidClassFormatSignal raiseErrorString:'not a java class file'. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
446 |
^ nil |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
447 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
448 |
msb := false. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
449 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 450 |
] ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
451 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 452 |
]. |
453 |
||
454 |
"/ |
|
455 |
"/ get version |
|
456 |
"/ |
|
128 | 457 |
minorVsn := inStream nextUnsignedShortMSB:msb. |
458 |
majorVsn := inStream nextUnsignedShortMSB:msb. |
|
9 | 459 |
|
99 | 460 |
(majorVsn ~~ 45 or:[minorVsn ~~ 3]) ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
461 |
Transcript show:'warning this file has version '; show:majorVsn; show:'.'; showCR:minorVsn. |
99 | 462 |
]. |
463 |
||
464 |
Verbose ifTrue:[ |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
465 |
Transcript show:'version = '; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
466 |
show:(majorVsn printString); |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
467 |
show:'.'; |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
468 |
showCR:(minorVsn printString). |
99 | 469 |
]. |
1 | 470 |
|
471 |
"/ |
|
472 |
"/ get constant pool |
|
473 |
"/ |
|
474 |
self readConstantPool. |
|
475 |
||
476 |
"/ |
|
477 |
"/ access flags |
|
478 |
"/ |
|
128 | 479 |
access_flags := inStream nextUnsignedShortMSB:msb. |
480 |
this_class_index := inStream nextUnsignedShortMSB:msb. |
|
481 |
super_class_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 482 |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
483 |
super_class_index == 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
484 |
super_class := nil |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
485 |
] ifFalse:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
486 |
super_class := constants at:super_class_index. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
487 |
existingSuperClass := Java classNamed:super_class fullName. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
488 |
existingSuperClass notNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
489 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
490 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
491 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
492 |
Silent ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
493 |
'load superClass: ' print. super_class fullName printCR. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
494 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
495 |
loader := ClassLoaderQuerySignal raise. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
496 |
loader isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
497 |
existingSuperClass := self class |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
498 |
loadClassLazy:(super_class fullName) |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
499 |
ignoring:classesbeingLoaded. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
500 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
501 |
jSuperClass := loader |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
502 |
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
|
503 |
with:(Java as_String:(super_class fullName)). |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
504 |
existingSuperClass := JavaVM classForJavaClassObject:jSuperClass. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
505 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
506 |
existingSuperClass isNil ifTrue:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
507 |
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
|
508 |
]. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
509 |
super_class := existingSuperClass |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
510 |
] ifFalse:[ |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
511 |
self halt:'oops - superclass ?' |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
512 |
] |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
513 |
]. |
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
514 |
]. |
1 | 515 |
|
516 |
"/ |
|
517 |
"/ get interfaces |
|
518 |
"/ |
|
38 | 519 |
interfaces := self readInterfaces. |
1 | 520 |
|
521 |
"/ |
|
522 |
"/ get fields |
|
523 |
"/ |
|
38 | 524 |
fields := self readFieldInfofields. |
40 | 525 |
|
526 |
"/ |
|
527 |
"/ create the fields as instVars |
|
528 |
"/ static fields are created as class-InstVars |
|
529 |
"/ |
|
530 |
staticFields := fields select:[:f | f isStatic]. |
|
531 |
nStatic := staticFields size. |
|
532 |
||
533 |
this_class_ref := constants at:this_class_index. |
|
182 | 534 |
this_class := JavaClass fullName:(this_class_ref fullName) numStatic:nStatic. |
535 |
||
40 | 536 |
nStatic ~~ 0 ifTrue:[ |
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
537 |
fields := fields select:[:f | f isStatic not]. |
40 | 538 |
|
269
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
539 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
540 |
this_class setStaticFields:staticFields. |
5a946303d451
use a helper to associate java.lang.class insts to javaClasses
cg
parents:
264
diff
changeset
|
541 |
this_class initializeStaticFields. |
40 | 542 |
]. |
543 |
||
544 |
this_class setAccessFlags:access_flags. |
|
545 |
this_class setSuperclass:super_class. |
|
546 |
this_class setConstantPool:constants. |
|
547 |
||
52 | 548 |
this_class setFields:fields. |
110 | 549 |
this_class setInterfaces:interfaces. |
1 | 550 |
|
551 |
"/ |
|
552 |
"/ get methods |
|
553 |
"/ |
|
38 | 554 |
self readMethodsFor:this_class. |
1 | 555 |
|
5 | 556 |
self readAttributesFor:this_class. |
557 |
||
91 | 558 |
constants owner:this_class. |
559 |
||
5 | 560 |
^ this_class |
561 |
||
1 | 562 |
" |
563 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
564 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 565 |
|
566 |
JavaClassReader verbose:true. |
|
567 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
568 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 569 |
" |
570 |
||
252 | 571 |
"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
|
572 |
"Modified: / 23.1.1998 / 17:44:55 / cg" |
1 | 573 |
! |
574 |
||
5 | 575 |
readSourceFileAttributeFor:aJavaClass |
576 |
|attribute_length sourceFile_index sourceFile| |
|
577 |
||
128 | 578 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 579 |
|
128 | 580 |
sourceFile_index := inStream nextUnsignedShortMSB:msb. |
5 | 581 |
sourceFile := constants at:sourceFile_index. |
582 |
||
583 |
aJavaClass setSourceFile:sourceFile. |
|
584 |
||
61 | 585 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
5 | 586 |
^ true |
587 |
||
588 |
" |
|
589 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
590 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
591 |
" |
|
592 |
||
593 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
594 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
595 |
! |
|
596 |
||
54 | 597 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 598 |
"reads a class from aStream and returns it. |
599 |
The JavaClass is not installed as global" |
|
600 |
||
5 | 601 |
inStream := aStream. |
602 |
inStream binary. |
|
38 | 603 |
|
54 | 604 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 605 |
|
606 |
" |
|
607 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
608 |
" |
|
609 |
||
610 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
611 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
612 |
! ! |
|
613 |
||
614 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
615 |
||
616 |
readAttribute:attributeName for:something |
|
83 | 617 |
|
5 | 618 |
(attributeName = 'Code') ifTrue:[ |
252 | 619 |
self readCodeAttributeFor:something. |
620 |
^ true. |
|
5 | 621 |
]. |
83 | 622 |
(attributeName = 'Exceptions') ifTrue:[ |
252 | 623 |
self readExceptionsAttributeFor:something. |
624 |
^ true. |
|
83 | 625 |
]. |
5 | 626 |
(attributeName = 'LineNumberTable') ifTrue:[ |
252 | 627 |
self readLineNumberTableAttributeFor:something. |
628 |
^ true. |
|
5 | 629 |
]. |
630 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
252 | 631 |
self readLocalVariableTableAttributeFor:something. |
632 |
^ true. |
|
5 | 633 |
]. |
634 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
252 | 635 |
self readConstantValueAttributeFor:something. |
636 |
^ true. |
|
5 | 637 |
]. |
638 |
(attributeName = 'SourceFile') ifTrue:[ |
|
252 | 639 |
self readSourceFileAttributeFor:something. |
640 |
^ true. |
|
641 |
]. |
|
642 |
(attributeName = 'Deprecated') ifTrue:[ |
|
643 |
^ false. |
|
5 | 644 |
]. |
83 | 645 |
|
646 |
('JAVA: unrecognized attribute: ' , attributeName) infoPrintCR. |
|
5 | 647 |
^ false |
648 |
||
649 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
650 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
651 |
! |
|
652 |
||
653 |
readAttributeFor:something |
|
654 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
655 |
||
61 | 656 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 657 |
|
128 | 658 |
attribute_name_index := inStream nextUnsignedShortMSB:msb. |
9 | 659 |
|
660 |
"/ |
|
661 |
"/ UNDOC feature ? |
|
662 |
"/ |
|
663 |
attribute_name_index > constants size ifTrue:[ |
|
252 | 664 |
attribute_name_index == 16rb700 ifTrue:[ |
665 |
self halt. |
|
666 |
] |
|
9 | 667 |
]. |
668 |
||
5 | 669 |
attribute_name := constants at:attribute_name_index. |
9 | 670 |
|
61 | 671 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 672 |
|
5 | 673 |
(self readAttribute:attribute_name for:something) ifFalse:[ |
252 | 674 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
675 |
attribute_info := ByteArray new:(attribute_length). |
|
676 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
5 | 677 |
|
252 | 678 |
Verbose ifTrue:[Transcript show:'skipped '; show:attribute_name; showCR:'-attribute']. |
5 | 679 |
]. |
680 |
||
681 |
" |
|
682 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
683 |
" |
|
684 |
||
685 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
686 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
687 |
! |
|
688 |
||
689 |
readAttributesFor:something |
|
690 |
|attributes_count| |
|
691 |
||
128 | 692 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
5 | 693 |
|
694 |
1 to:attributes_count do:[:i | |
|
252 | 695 |
self readAttributeFor:something. |
5 | 696 |
]. |
697 |
||
698 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
699 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
700 |
! ! |
|
701 |
||
702 |
!JavaClassReader methodsFor:'file reading - constants'! |
|
703 |
||
1 | 704 |
readConstant |
705 |
|tag constReader const| |
|
706 |
||
707 |
||
11 | 708 |
constNeeds2Slots := false. |
709 |
||
1 | 710 |
"/ |
711 |
"/ get tag |
|
712 |
"/ |
|
128 | 713 |
tag := inStream nextByte. |
61 | 714 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 715 |
|
716 |
constReader := #( |
|
252 | 717 |
readConstant_Asciz "/ 1 - now called Utf8 |
718 |
readConstant_Unicode "/ 2 |
|
719 |
readConstant_Integer "/ 3 |
|
720 |
readConstant_Float "/ 4 |
|
721 |
readConstant_Long "/ 5 |
|
722 |
readConstant_Double "/ 6 |
|
723 |
readConstant_Class "/ 7 |
|
724 |
readConstant_String "/ 8 |
|
725 |
readConstant_Fieldref "/ 9 |
|
726 |
readConstant_Methodref "/ 10 |
|
727 |
readConstant_InterfaceMethodref "/ 11 |
|
728 |
readConstant_NameAndType "/ 12 |
|
729 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
1 | 730 |
|
731 |
^ self perform:constReader. |
|
732 |
||
733 |
" |
|
734 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
735 |
" |
|
736 |
||
737 |
"Created: 15.4.1996 / 15:46:32 / cg" |
|
738 |
"Modified: 15.4.1996 / 15:47:00 / cg" |
|
739 |
! |
|
740 |
||
741 |
readConstantPool |
|
11 | 742 |
|constantPoolCount const i| |
1 | 743 |
|
744 |
"/ |
|
745 |
"/ get constant pool |
|
746 |
"/ |
|
128 | 747 |
constantPoolCount := inStream nextUnsignedShortMSB:msb. |
61 | 748 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 749 |
|
91 | 750 |
constants := JavaConstantPool "Array" new:constantPoolCount-1. |
1 | 751 |
|
21 | 752 |
constSlot := 1. |
753 |
[constSlot < constantPoolCount] whileTrue:[ |
|
252 | 754 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
755 |
const := self readConstant. |
|
756 |
constants at:constSlot put:const. |
|
757 |
constNeeds2Slots ifTrue:[ |
|
758 |
constSlot := constSlot + 1. |
|
759 |
]. |
|
760 |
constSlot := constSlot + 1. |
|
1 | 761 |
]. |
762 |
||
52 | 763 |
constSlot := -1. |
764 |
||
91 | 765 |
"/ preresolve what can be (especially, strings are resolved here) |
766 |
||
1 | 767 |
1 to:constantPoolCount-1 do:[:i | |
252 | 768 |
|const value| |
1 | 769 |
|
252 | 770 |
const := constants at:i. |
771 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
|
772 |
(const isKindOf:JavaUnresolvedConstant) ifTrue:[ |
|
773 |
value := const preResolve. |
|
774 |
value ~~ const ifTrue:[ |
|
775 |
constants at:i put:value. |
|
776 |
] |
|
777 |
] |
|
778 |
] |
|
1 | 779 |
]. |
780 |
||
781 |
" |
|
782 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
783 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
784 |
" |
|
785 |
||
786 |
"Created: 15.4.1996 / 15:14:11 / cg" |
|
787 |
"Modified: 15.4.1996 / 16:41:57 / cg" |
|
788 |
! |
|
789 |
||
790 |
readConstant_Asciz |
|
791 |
|len string| |
|
792 |
||
128 | 793 |
len := inStream nextUnsignedShortMSB:msb. |
1 | 794 |
string := String new:len. |
795 |
inStream nextBytes:len into:string startingAt:1. |
|
796 |
||
61 | 797 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 798 |
|
799 |
^ string |
|
800 |
||
801 |
" |
|
802 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
803 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
804 |
" |
|
805 |
||
806 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
807 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
808 |
! |
|
809 |
||
810 |
readConstant_Class |
|
52 | 811 |
|name_index name| |
1 | 812 |
|
128 | 813 |
name_index := inStream nextUnsignedShortMSB:msb. |
1 | 814 |
|
61 | 815 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 816 |
|
52 | 817 |
name := constants at:name_index. |
818 |
name notNil ifTrue:[ |
|
252 | 819 |
Verbose ifTrue:[Transcript showCR:'name in constant_class already resolved']. |
820 |
"/ self halt |
|
52 | 821 |
]. |
822 |
||
21 | 823 |
^ JavaUnresolvedClassConstant |
252 | 824 |
pool:constants |
825 |
poolIndex:constSlot |
|
826 |
nameIndex:name_index |
|
91 | 827 |
|
1 | 828 |
" |
829 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
830 |
" |
|
831 |
||
832 |
"Created: 15.4.1996 / 15:21:13 / cg" |
|
193 | 833 |
"Modified: 1.8.1997 / 21:27:28 / cg" |
1 | 834 |
! |
835 |
||
11 | 836 |
readConstant_Double |
837 |
|high low aFloat| |
|
838 |
||
128 | 839 |
high := inStream nextUnsignedLongMSB:msb. |
840 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 841 |
|
842 |
aFloat := Float new. |
|
843 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 844 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
845 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
846 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
847 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
848 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
849 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
850 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
851 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
11 | 852 |
] ifFalse:[ |
252 | 853 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
854 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
855 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
856 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
857 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
858 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
859 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
860 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 861 |
]. |
862 |
||
863 |
constNeeds2Slots := true. |
|
864 |
||
61 | 865 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 866 |
^ aFloat |
867 |
||
868 |
" |
|
869 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
870 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
871 |
" |
|
872 |
||
873 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
874 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
875 |
! |
|
876 |
||
1 | 877 |
readConstant_Fieldref |
878 |
|class_index name_and_type_index| |
|
879 |
||
128 | 880 |
class_index := inStream nextUnsignedShortMSB:msb. |
881 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 882 |
|
61 | 883 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
884 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 885 |
|
91 | 886 |
^ JavaUnresolvedFieldrefConstant |
252 | 887 |
pool:constants |
888 |
poolIndex:constSlot |
|
889 |
classIndex:class_index |
|
890 |
nameandTypeIndex:name_and_type_index |
|
1 | 891 |
|
892 |
" |
|
893 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
894 |
" |
|
895 |
||
896 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
897 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
898 |
! |
|
899 |
||
11 | 900 |
readConstant_Float |
901 |
|high aFloat| |
|
902 |
||
128 | 903 |
high := inStream nextUnsignedLongMSB:msb. |
11 | 904 |
|
905 |
aFloat := ShortFloat basicNew. |
|
906 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
252 | 907 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
908 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
909 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
910 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
11 | 911 |
] ifFalse:[ |
252 | 912 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
913 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
|
914 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
|
915 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
|
11 | 916 |
]. |
917 |
||
61 | 918 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 919 |
^ aFloat |
920 |
||
921 |
" |
|
922 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
923 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
924 |
" |
|
925 |
||
926 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
927 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
928 |
! |
|
929 |
||
1 | 930 |
readConstant_Integer |
931 |
|value| |
|
932 |
||
128 | 933 |
value := inStream nextLongMSB:msb. |
1 | 934 |
|
61 | 935 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 936 |
|
937 |
^ value |
|
938 |
||
939 |
" |
|
940 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
941 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
942 |
" |
|
943 |
||
944 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
945 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
946 |
! |
|
947 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
948 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
949 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
950 |
|
128 | 951 |
class_index := inStream nextUnsignedShortMSB:msb. |
952 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
953 |
|
61 | 954 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
955 |
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
|
956 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
957 |
^ JavaUnresolvedInterfaceMethodrefConstant |
252 | 958 |
pool:constants |
959 |
poolIndex:constSlot |
|
960 |
classIndex:class_index |
|
961 |
nameandTypeIndex:name_and_type_index |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
962 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
963 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
964 |
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
|
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 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
968 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
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 |
|
11 | 971 |
readConstant_Long |
972 |
|high low value| |
|
973 |
||
128 | 974 |
high := inStream nextUnsignedLongMSB:msb. |
975 |
low := inStream nextUnsignedLongMSB:msb. |
|
11 | 976 |
|
977 |
value := (high bitShift:32) bitOr:low. |
|
60 | 978 |
(high bitTest:16r80000000) ifTrue:[ |
252 | 979 |
value := value - 16r10000000000000000. |
60 | 980 |
]. |
11 | 981 |
constNeeds2Slots := true. |
982 |
||
61 | 983 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 984 |
^ value |
985 |
||
986 |
" |
|
987 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
988 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
989 |
" |
|
990 |
||
991 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
992 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
993 |
! |
|
994 |
||
1 | 995 |
readConstant_Methodref |
996 |
|class_index name_and_type_index| |
|
997 |
||
128 | 998 |
class_index := inStream nextUnsignedShortMSB:msb. |
999 |
name_and_type_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1000 |
|
61 | 1001 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
1002 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 1003 |
|
1004 |
^ JavaUnresolvedMethodrefConstant |
|
252 | 1005 |
pool:constants |
1006 |
poolIndex:constSlot |
|
1007 |
classIndex:class_index |
|
1008 |
nameandTypeIndex:name_and_type_index |
|
1 | 1009 |
|
1010 |
" |
|
1011 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1012 |
" |
|
1013 |
||
1014 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
1015 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
1016 |
! |
|
1017 |
||
91 | 1018 |
readConstant_NameAndType |
1 | 1019 |
|name_index signature_index| |
1020 |
||
128 | 1021 |
name_index := inStream nextUnsignedShortMSB:msb. |
1022 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1023 |
|
61 | 1024 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
1025 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 1026 |
|
1027 |
^ JavaUnresolvedNameandTypeConstant |
|
252 | 1028 |
pool:constants |
1029 |
poolIndex:constSlot |
|
1030 |
nameIndex:name_index |
|
1031 |
signatureIndex:signature_index |
|
1 | 1032 |
|
1033 |
" |
|
1034 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1035 |
" |
|
1036 |
||
1037 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
1038 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
1039 |
! |
|
1040 |
||
1041 |
readConstant_String |
|
1042 |
|tag string_index| |
|
1043 |
||
128 | 1044 |
string_index := inStream nextUnsignedShortMSB:msb. |
1 | 1045 |
|
61 | 1046 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 1047 |
|
91 | 1048 |
^ JavaUnresolvedStringConstant |
252 | 1049 |
pool:constants |
1050 |
poolIndex:constSlot |
|
1051 |
stringIndex:string_index |
|
1 | 1052 |
|
1053 |
" |
|
43 | 1054 |
Verbose := true. |
1055 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 1056 |
" |
1057 |
||
1058 |
"Created: 15.4.1996 / 15:20:33 / cg" |
|
1059 |
"Modified: 15.4.1996 / 16:01:37 / cg" |
|
5 | 1060 |
! ! |
1061 |
||
1062 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
1063 |
||
1064 |
readConstantValueAttributeFor:aField |
|
1065 |
|attribute_length constantvalue_index constantValue| |
|
1066 |
||
128 | 1067 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1068 |
|
128 | 1069 |
constantvalue_index := inStream nextUnsignedShortMSB:msb. |
5 | 1070 |
constantValue := constants at:constantvalue_index. |
1071 |
||
59 | 1072 |
aField constantValue:constantValue. |
1073 |
||
61 | 1074 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 1075 |
^ true |
1076 |
||
1077 |
" |
|
1078 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1079 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
1080 |
" |
|
1081 |
||
1082 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1083 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1084 |
! |
1085 |
||
1086 |
readFieldInfofield |
|
5 | 1087 |
|access_flags name_index signature_index attributes_count field| |
1 | 1088 |
|
128 | 1089 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1090 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1091 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
5 | 1092 |
|
1093 |
field := JavaField new. |
|
1094 |
field setAccessFlags:access_flags. |
|
1095 |
field setName:(constants at:name_index). |
|
1096 |
field setSignature:(constants at:signature_index). |
|
1097 |
||
128 | 1098 |
attributes_count := inStream nextUnsignedShortMSB:msb. |
1 | 1099 |
|
99 | 1100 |
Verbose ifTrue:[Transcript show:' field name: '; show:(constants at:name_index); |
252 | 1101 |
show:' access: '; show:access_flags; |
1102 |
show:' attrib_cnt: '; showCR:attributes_count]. |
|
99 | 1103 |
|
1 | 1104 |
1 to:attributes_count do:[:i | |
252 | 1105 |
self readAttributeFor:field. |
1 | 1106 |
]. |
1107 |
||
27 | 1108 |
^ field |
1109 |
||
1 | 1110 |
" |
1111 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1112 |
" |
|
1113 |
||
1114 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1115 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
1116 |
! |
|
1117 |
||
1118 |
readFieldInfofields |
|
38 | 1119 |
|nFields fields| |
1 | 1120 |
|
1121 |
"/ |
|
38 | 1122 |
"/ get fieldInfos |
1 | 1123 |
"/ |
128 | 1124 |
nFields := inStream nextUnsignedShortMSB:msb. |
61 | 1125 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 1126 |
|
27 | 1127 |
fields := Array new:nFields. |
1128 |
||
1129 |
1 to:nFields do:[:i | |
|
252 | 1130 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
1131 |
fields at:i put:(self readFieldInfofield) |
|
1 | 1132 |
]. |
38 | 1133 |
^ fields |
1 | 1134 |
|
1135 |
" |
|
1136 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1137 |
" |
|
1138 |
||
1139 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
1140 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 1141 |
! ! |
1142 |
||
38 | 1143 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
1144 |
||
1145 |
readInterfaces |
|
110 | 1146 |
|interfacesCount interface_index interface interfaces| |
38 | 1147 |
|
1148 |
"/ |
|
1149 |
"/ get interfaces |
|
1150 |
"/ |
|
128 | 1151 |
interfacesCount := inStream nextUnsignedShortMSB:msb. |
61 | 1152 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 1153 |
|
1154 |
interfaces := Array new:interfacesCount. |
|
1155 |
||
1156 |
1 to:interfacesCount do:[:i | |
|
252 | 1157 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
1158 |
interface_index := inStream nextUnsignedShortMSB:msb. |
|
1159 |
interface := constants at:interface_index. |
|
38 | 1160 |
|
252 | 1161 |
interfaces at:i put:interface. |
38 | 1162 |
]. |
1163 |
^ interfaces |
|
1164 |
||
1165 |
" |
|
1166 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1167 |
" |
|
1168 |
||
1169 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
1170 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1171 |
! ! |
|
1172 |
||
5 | 1173 |
!JavaClassReader methodsFor:'file reading - methods'! |
1174 |
||
1175 |
readCodeAttributeFor:aJavaMethod |
|
1176 |
|attribute_length max_stack max_locals code_length code |
|
9 | 1177 |
exception_table_length exception_table unknown1 unknown2| |
1 | 1178 |
|
128 | 1179 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
1 | 1180 |
|
9 | 1181 |
|
61 | 1182 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 1183 |
|
99 | 1184 |
minorVsn > 2 ifTrue:[ |
252 | 1185 |
unknown1 := inStream nextByte. |
1186 |
max_stack := inStream nextByte. |
|
1187 |
max_locals := inStream nextUnsignedShortMSB:msb. |
|
1188 |
unknown2 := inStream nextUnsignedShortMSB:msb. |
|
1189 |
Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
|
1190 |
Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 1191 |
] ifFalse:[ |
252 | 1192 |
max_stack := inStream nextByte. |
1193 |
max_locals := inStream nextByte. |
|
9 | 1194 |
]. |
1195 |
||
128 | 1196 |
code_length := inStream nextUnsignedShortMSB:msb. |
61 | 1197 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
1198 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
38 | 1199 |
|
5 | 1200 |
code := ByteArray new:code_length. |
1201 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 1202 |
|
61 | 1203 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
9 | 1204 |
|
128 | 1205 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
61 | 1206 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1207 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1208 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1209 |
|
252 | 1210 |
exception_table := Array new:exception_table_length. |
1211 |
1 to:exception_table_length do:[:i | |
|
1212 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1213 |
|
252 | 1214 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1215 |
end_pc := inStream nextUnsignedShortMSB:msb. |
|
1216 |
handler_pc := inStream nextUnsignedShortMSB:msb. |
|
1217 |
catch_type := constants at:(inStream nextUnsignedShortMSB:msb). |
|
1218 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1219 |
startPC:start_pc |
|
1220 |
endPC:end_pc |
|
1221 |
handlerPC:handler_pc |
|
1222 |
catchType:catch_type). |
|
1223 |
]. |
|
1224 |
aJavaMethod setExceptionHandlerTable:exception_table. |
|
1 | 1225 |
]. |
1226 |
||
29 | 1227 |
aJavaMethod |
252 | 1228 |
setCode:code |
1229 |
maxStack:max_stack |
|
1230 |
maxLocals:max_locals |
|
1231 |
u1:unknown1 |
|
1232 |
u2:unknown2. |
|
5 | 1233 |
|
1234 |
self readAttributesFor:aJavaMethod. |
|
1235 |
^ true |
|
1236 |
||
1 | 1237 |
" |
1238 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1239 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1240 |
" |
1241 |
||
1242 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
5 | 1243 |
"Created: 15.4.1996 / 15:40:17 / cg" |
1244 |
! |
|
1245 |
||
83 | 1246 |
readExceptionsAttributeFor:aJavaMethod |
1247 |
|attribute_length exception_table_length exception_table| |
|
1248 |
||
128 | 1249 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
83 | 1250 |
|
128 | 1251 |
exception_table_length := inStream nextUnsignedShortMSB:msb. |
83 | 1252 |
exception_table_length ~~ 0 ifTrue:[ |
252 | 1253 |
exception_table := Array new:exception_table_length. |
1254 |
1 to:exception_table_length do:[:i | |
|
1255 |
|idx ex| |
|
83 | 1256 |
|
252 | 1257 |
idx := inStream nextUnsignedShortMSB:msb. |
1258 |
ex := constants at:idx. |
|
1259 |
exception_table at:i put:ex. |
|
1260 |
]. |
|
83 | 1261 |
]. |
1262 |
||
1263 |
Verbose ifTrue:[Transcript showCR:'method has an exceptionTable']. |
|
1264 |
||
1265 |
aJavaMethod setExceptionTable:exception_table. |
|
1266 |
^ true |
|
1267 |
||
1268 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1269 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1270 |
! |
|
1271 |
||
5 | 1272 |
readLineNumberTableAttributeFor:aJavaMethod |
1273 |
|attribute_length line_number_table_length line_number_table| |
|
1274 |
||
128 | 1275 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
5 | 1276 |
|
128 | 1277 |
line_number_table_length := inStream nextUnsignedShortMSB:msb. |
5 | 1278 |
line_number_table_length ~~ 0 ifTrue:[ |
252 | 1279 |
line_number_table := Array new:line_number_table_length. |
1280 |
1 to:line_number_table_length do:[:i | |
|
1281 |
|start_pc line_number| |
|
5 | 1282 |
|
252 | 1283 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1284 |
line_number := inStream nextUnsignedShortMSB:msb. |
|
1285 |
line_number_table at:i put:(start_pc -> line_number). |
|
1286 |
]. |
|
5 | 1287 |
]. |
1288 |
||
61 | 1289 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
9 | 1290 |
|
5 | 1291 |
aJavaMethod setLineNumberTable:line_number_table. |
1292 |
^ true |
|
1293 |
||
1294 |
" |
|
1295 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1296 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1297 |
" |
|
1298 |
||
1299 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1300 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1301 |
! |
1302 |
||
50 | 1303 |
readLocalVariableTableAttributeFor:aJavaMethod |
1304 |
|attribute_length local_variable_table_length local_variable_table| |
|
1305 |
||
128 | 1306 |
attribute_length := inStream nextUnsignedLongMSB:msb. |
50 | 1307 |
|
128 | 1308 |
local_variable_table_length := inStream nextUnsignedShortMSB:msb. |
50 | 1309 |
local_variable_table_length ~~ 0 ifTrue:[ |
252 | 1310 |
local_variable_table := JavaLocalVariableTable new:local_variable_table_length. |
1311 |
1 to:local_variable_table_length do:[:i | |
|
1312 |
|start_pc length name_index sig_index slot name signature| |
|
50 | 1313 |
|
252 | 1314 |
start_pc := inStream nextUnsignedShortMSB:msb. |
1315 |
length := inStream nextUnsignedShortMSB:msb. |
|
1316 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1317 |
name := constants at:name_index. |
|
1318 |
sig_index := inStream nextUnsignedShortMSB:msb. |
|
1319 |
signature := constants at:sig_index. |
|
1320 |
slot := inStream nextUnsignedShortMSB:msb. |
|
50 | 1321 |
|
252 | 1322 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
1323 |
startPC:start_pc |
|
1324 |
length:length |
|
1325 |
name:name |
|
1326 |
signature:signature |
|
1327 |
slot:slot) |
|
1328 |
]. |
|
50 | 1329 |
]. |
1330 |
||
61 | 1331 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1332 |
|
1333 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1334 |
^ true |
|
1335 |
||
1336 |
" |
|
1337 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1338 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1339 |
" |
|
1340 |
||
1341 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1342 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1343 |
! |
|
1344 |
||
38 | 1345 |
readMethodFor:aJavaClass |
273 | 1346 |
|m access_flags name_index name signature_index signature |
1347 |
tooManyArgs| |
|
1 | 1348 |
|
1349 |
"/ |
|
1350 |
"/ get a method |
|
1351 |
"/ |
|
128 | 1352 |
access_flags := inStream nextUnsignedShortMSB:msb. |
1353 |
name_index := inStream nextUnsignedShortMSB:msb. |
|
1354 |
signature_index := inStream nextUnsignedShortMSB:msb. |
|
1 | 1355 |
|
5 | 1356 |
name := constants at:name_index. |
1357 |
signature := constants at:signature_index. |
|
9 | 1358 |
|
61 | 1359 |
Verbose ifTrue:[Transcript show:'method name:'; showCR:name. |
273 | 1360 |
Transcript show:'signature:'; showCR:signature.]. |
9 | 1361 |
|
5 | 1362 |
m := JavaMethod new. |
1363 |
m setAccessFlags:access_flags. |
|
273 | 1364 |
tooManyArgs := false. |
1365 |
Method argumentSignal handle:[:ex | |
|
1366 |
'JAVA: ***** java method has too many arguments - will fail to execute' infoPrintCR. |
|
1367 |
tooManyArgs := true. |
|
1368 |
ex proceed. |
|
1369 |
] do:[ |
|
1370 |
m setName:name signature:signature. |
|
1371 |
]. |
|
38 | 1372 |
m setJavaClass:aJavaClass. |
5 | 1373 |
|
1374 |
self readAttributesFor:m. |
|
1375 |
||
273 | 1376 |
tooManyArgs ifTrue:[ |
1377 |
m code:nil. |
|
1378 |
m byteCode:nil. |
|
1379 |
]. |
|
38 | 1380 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1381 |
|
1382 |
" |
|
1383 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1384 |
" |
|
1385 |
||
273 | 1386 |
"Created: / 15.4.1996 / 16:48:49 / cg" |
1387 |
"Modified: / 27.1.1998 / 17:46:53 / cg" |
|
1 | 1388 |
! |
1389 |
||
38 | 1390 |
readMethodsFor:aJavaClass |
1 | 1391 |
|methodsCount method| |
1392 |
||
1393 |
||
1394 |
"/ |
|
1395 |
"/ get methods |
|
1396 |
"/ |
|
128 | 1397 |
methodsCount := inStream nextUnsignedShortMSB:msb. |
61 | 1398 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1399 |
|
1400 |
1 to:methodsCount do:[:i | |
|
252 | 1401 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
1402 |
method := self readMethodFor:aJavaClass |
|
1 | 1403 |
]. |
1404 |
||
1405 |
" |
|
1406 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1407 |
" |
|
1408 |
||
1409 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1410 |
"Created: 15.4.1996 / 16:46:30 / cg" |
|
1411 |
! ! |
|
1412 |
||
135 | 1413 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 1414 |
|
1415 |
version |
|
275 | 1416 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.54 1998/01/27 16:54:39 cg Exp $' |
1 | 1417 |
! ! |
1418 |
JavaClassReader initialize! |