author | cg |
Mon, 06 May 1996 18:58:11 +0000 | |
changeset 54 | f37bcefb7091 |
parent 52 | 1dc41619b6f8 |
child 59 | 38114c3e3e77 |
permissions | -rw-r--r-- |
1 | 1 |
Object subclass:#JavaClassReader |
38 | 2 |
instanceVariableNames:'inStream msb constants version majorVsn minorVsn constNeeds2Slots |
3 |
constSlot' |
|
43 | 4 |
classVariableNames:'Verbose ClassPath Silent' |
1 | 5 |
poolDictionaries:'' |
6 |
category:'Java-Support' |
|
7 |
! |
|
8 |
||
9 |
||
10 |
!JavaClassReader class methodsFor:'initialization'! |
|
11 |
||
12 |
initialize |
|
43 | 13 |
Verbose := false. Silent := false. |
29 | 14 |
self initializeClassPath |
15 |
||
16 |
" |
|
17 |
JavaClassReader initialize |
|
18 |
" |
|
19 |
! |
|
20 |
||
21 |
initializeClassPath |
|
22 |
ClassPath := #( |
|
23 |
'/phys/ibm3/java/lib/' |
|
24 |
'/phys/ibm3/hotjava/classes/' |
|
25 |
) |
|
26 |
||
27 |
" |
|
28 |
JavaClassReader initializeClassPath |
|
29 |
" |
|
1 | 30 |
! ! |
31 |
||
32 |
!JavaClassReader class methodsFor:'debugging'! |
|
33 |
||
34 |
verbose:aBoolean |
|
35 |
Verbose := aBoolean |
|
36 |
||
37 |
" |
|
38 |
JavaClassReader verbose:true |
|
39 |
JavaClassReader verbose:false |
|
40 |
" |
|
41 |
! ! |
|
42 |
||
43 |
!JavaClassReader class methodsFor:'file reading'! |
|
44 |
||
21 | 45 |
loadClass:aClassName |
43 | 46 |
"reads a class, installs and returns it. |
47 |
The classes string constants are resolved & <clinit> is called, |
|
48 |
if it implements it." |
|
21 | 49 |
|
50 |
|rslt| |
|
51 |
||
54 | 52 |
rslt := self loadClassLazy:aClassName ignoring:Set new. |
43 | 53 |
self postLoadActions. |
40 | 54 |
|
38 | 55 |
^ rslt |
21 | 56 |
|
57 |
" |
|
58 |
JavaClassReader loadClass:'awt/Component' |
|
59 |
JavaClassReader loadClass:'awt/Button' |
|
60 |
JavaClassReader loadClass:'browser/AddButton' |
|
61 |
||
62 |
JavaClassReader loadClass:'java/lang/Object' |
|
63 |
JavaClassReader loadClass:'java/lang/AbstractMethodError' |
|
64 |
JavaClassReader loadClass:'java/lang/Thread' |
|
65 |
" |
|
66 |
||
67 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
68 |
! |
|
69 |
||
54 | 70 |
loadClassLazy:aClassName ignoring:classesBeingLoaded |
38 | 71 |
"private helper: |
72 |
reads a class, installs and returns it. |
|
73 |
The class is searched along the ClassPath. |
|
43 | 74 |
|
75 |
This is a partial load (to load other classes): |
|
76 |
- The classes stringConstants are not fixed to be JavaStrings |
|
77 |
(i.e they are still ST-Strings). |
|
78 |
- The class is not initialized." |
|
38 | 79 |
|
50 | 80 |
|rslt clsName| |
81 |
||
52 | 82 |
(aClassName endsWith:';') ifTrue:[ |
83 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
|
84 |
self halt. |
|
85 |
^ nil |
|
86 |
]. |
|
87 |
||
50 | 88 |
clsName := aClassName. |
89 |
(clsName includes:$.) ifTrue:[ |
|
90 |
clsName := clsName copy replaceAll:$. by:$/ |
|
91 |
]. |
|
38 | 92 |
|
54 | 93 |
(classesBeingLoaded includes:clsName) ifTrue:[ |
94 |
('oops - recursive load of ' , clsName , ' attempted') printNL. |
|
95 |
"/ self halt. |
|
96 |
^ JavaUnresolvedClassConstant fullName:clsName |
|
97 |
]. |
|
98 |
||
99 |
classesBeingLoaded add:clsName. |
|
100 |
||
38 | 101 |
ClassPath do:[:path | |
54 | 102 |
rslt := self loadFileLazy:(path , clsName , '.class') |
103 |
ignoring:classesBeingLoaded. |
|
38 | 104 |
rslt notNil ifTrue:[^ rslt]. |
105 |
]. |
|
106 |
||
54 | 107 |
^ rslt |
38 | 108 |
! |
109 |
||
7 | 110 |
loadFile:aFilename |
43 | 111 |
"reads a class from aFilename, installs and returns it. |
112 |
The classes strings are fixed and its class-init function is called." |
|
113 |
||
54 | 114 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 115 |
self postLoadActions |
116 |
! |
|
117 |
||
54 | 118 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 119 |
"reads a class from aFilename, installs and returns it. |
120 |
No strings are fixed and no class-init functions are called." |
|
7 | 121 |
|
21 | 122 |
|javaClass pool| |
7 | 123 |
|
54 | 124 |
javaClass := self readFile:aFilename ignoring:classesBeingLoaded. |
7 | 125 |
javaClass notNil ifTrue:[ |
32 | 126 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
21 | 127 |
|
54 | 128 |
"/ javaClass resolveClassRefsIgnoring:classesBeingLoaded. |
129 |
||
130 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
21 | 131 |
|
132 |
"/ Smalltalk at:(javaClass fullName asSymbol) put:javaClass. |
|
133 |
"/ Smalltalk changed. |
|
7 | 134 |
]. |
9 | 135 |
^ javaClass |
7 | 136 |
|
137 |
" |
|
138 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 139 |
|
140 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
141 |
directoryContents do:[:nm | |
|
142 |
(nm endsWith:'.class') ifTrue:[ |
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('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
9 | 144 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
145 |
] |
|
21 | 146 |
]. |
9 | 147 |
|
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'/phys/ibm3/java/lib/java/io' asFilename |
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directoryContents do:[:nm | |
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(nm endsWith:'.class') ifTrue:[ |
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('/phys/ibm3/java/lib/java/io/' , nm) printNL. |
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JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
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] |
21 | 154 |
]. |
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|
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'/phys/ibm3/java/lib/java/net' asFilename |
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directoryContents do:[:nm | |
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(nm endsWith:'.class') ifTrue:[ |
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('/phys/ibm3/java/lib/java/net/' , nm) printNL. |
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JavaClassReader loadFile:'/phys/ibm3/java/lib/java/net/' , nm |
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] |
21 | 162 |
]. |
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|
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'/phys/ibm3/java/lib/java/util' asFilename |
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directoryContents do:[:nm | |
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(nm endsWith:'.class') ifTrue:[ |
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|
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('/phys/ibm3/java/lib/java/util/' , nm) printNL. |
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JavaClassReader loadFile:'/phys/ibm3/java/lib/java/util/' , nm |
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] |
21 | 170 |
]. |
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|
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'/phys/ibm3/java/lib/java/awt' asFilename |
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directoryContents do:[:nm | |
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(nm endsWith:'.class') ifTrue:[ |
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|
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('/phys/ibm3/java/lib/java/awt/' , nm) printNL. |
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JavaClassReader loadFile:'/phys/ibm3/java/lib/java/awt/' , nm |
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] |
21 | 178 |
]. |
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|
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'/phys/ibm3/java/lib/java/applet' asFilename |
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directoryContents do:[:nm | |
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(nm endsWith:'.class') ifTrue:[ |
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|
183 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
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|
184 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
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|
185 |
] |
21 | 186 |
]. |
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|
187 |
|
9 | 188 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/AbstractMethodError.class' |
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|
189 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 190 |
" |
191 |
||
192 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
193 |
! |
|
194 |
||
43 | 195 |
postLoadActions |
196 |
"Resolve all classes' string constants. |
|
197 |
Perform all class initialization functions (of those which are not |
|
198 |
yet initialized)." |
|
199 |
||
200 |
JavaUnresolvedStringConstant patchupStringConstants. |
|
201 |
||
202 |
Java allClassesDo:[:aJavaClass | |
|
54 | 203 |
aJavaClass resolveClassRefsIgnoring:Set new. |
204 |
]. |
|
205 |
||
206 |
Java allClassesDo:[:aJavaClass | |
|
43 | 207 |
aJavaClass isInitialized ifFalse:[ |
208 |
aJavaClass classInit |
|
209 |
] |
|
210 |
] |
|
211 |
! |
|
212 |
||
54 | 213 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 214 |
"reads a class from aFilename and returns it. |
43 | 215 |
The JavaClass is NOT installed as global" |
7 | 216 |
|
1 | 217 |
|inStream retVal| |
218 |
||
43 | 219 |
Silent ifFalse:[ |
220 |
'reading ' print. aFilename print. ' ...' printNL. |
|
221 |
]. |
|
21 | 222 |
|
1 | 223 |
inStream := aFilename asFilename readStream. |
27 | 224 |
inStream isNil ifTrue:['nil' printNL. ^ nil]. |
54 | 225 |
retVal := self readStream:inStream ignoring:classesBeingLoaded. |
1 | 226 |
inStream close. |
27 | 227 |
|
43 | 228 |
Silent ifFalse:[ |
229 |
' ... loaded ' print. retVal displayString printNL. |
|
230 |
]. |
|
27 | 231 |
|
1 | 232 |
^ retVal |
233 |
||
234 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
235 |
! |
|
236 |
||
54 | 237 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 238 |
"reads a class from aStream and returns it. |
239 |
The JavaClass is not installed as global" |
|
240 |
||
54 | 241 |
^ self new readStream:aStream ignoring:classesBeingLoaded |
1 | 242 |
|
243 |
" |
|
244 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
245 |
" |
|
246 |
||
247 |
"Modified: 15.4.1996 / 15:01:30 / cg" |
|
248 |
! ! |
|
249 |
||
250 |
!JavaClassReader methodsFor:'file reading'! |
|
251 |
||
54 | 252 |
readClassFileIgnoring:classesbeingLoaded |
7 | 253 |
"reads a class from inStream and returns it. |
38 | 254 |
The JavaClass is not installed as global and its constants |
255 |
(especially strings) may not be fully resolved." |
|
7 | 256 |
|
9 | 257 |
|magic |
38 | 258 |
access_flags this_class this_class_index super_class super_class_index |
259 |
realSuperClass this_class_ref existingSuperClass |
|
40 | 260 |
fields interfaces staticFields nStatic| |
1 | 261 |
|
262 |
"/ |
|
263 |
"/ read magic, determine byte order |
|
264 |
"/ |
|
265 |
msb := true. |
|
266 |
magic := self nextU4. |
|
267 |
magic = 16rCAFEBABE ifFalse:[ |
|
268 |
magic = 16rBEBAFECA ifFalse:[ |
|
269 |
self error:'not a java class file'. |
|
270 |
^ nil |
|
271 |
]. |
|
272 |
msb := false. |
|
273 |
Verbose ifTrue:[Transcript showCr:'file is lsb']. |
|
274 |
] ifTrue:[ |
|
275 |
Verbose ifTrue:[Transcript showCr:'file is msb']. |
|
276 |
]. |
|
277 |
||
278 |
"/ |
|
279 |
"/ get version |
|
280 |
"/ |
|
281 |
version := self nextU4. |
|
9 | 282 |
majorVsn := (version bitShift:-16) bitAnd:16rFFFF. |
283 |
minorVsn := version bitAnd:16rFFFF. |
|
284 |
||
285 |
Verbose ifTrue:[Transcript show:'version = '; |
|
286 |
show:(majorVsn printString); |
|
287 |
show:'.'; |
|
288 |
showCr:(minorVsn printString)]. |
|
1 | 289 |
|
290 |
"/ |
|
291 |
"/ get constant pool |
|
292 |
"/ |
|
293 |
self readConstantPool. |
|
294 |
||
295 |
"/ |
|
296 |
"/ access flags |
|
297 |
"/ |
|
298 |
access_flags := self nextU2. |
|
299 |
this_class_index := self nextU2. |
|
300 |
super_class_index := self nextU2. |
|
301 |
||
40 | 302 |
"/ this_class_ref := constants at:this_class_index. |
303 |
"/ this_class := JavaClass fullName:(this_class_ref fullName). |
|
21 | 304 |
|
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305 |
super_class_index == 0 ifTrue:[ |
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306 |
super_class := nil |
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|
307 |
] ifFalse:[ |
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|
308 |
super_class := constants at:super_class_index. |
32 | 309 |
existingSuperClass := Java classNamed:super_class fullName. |
21 | 310 |
existingSuperClass notNil ifTrue:[ |
311 |
super_class := existingSuperClass |
|
54 | 312 |
] ifFalse:[ |
313 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
|
314 |
existingSuperClass := super_class resolve. |
|
315 |
existingSuperClass isNil ifTrue:[ |
|
316 |
super_class := self class |
|
317 |
loadClassLazy:(super_class fullName) |
|
318 |
ignoring:classesbeingLoaded. |
|
319 |
]. |
|
320 |
super_class isNil ifTrue:[ |
|
321 |
self halt:('cannot find superclass: ' , super_class fullName). |
|
322 |
] |
|
29 | 323 |
]. |
324 |
]. |
|
14
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|
325 |
]. |
1 | 326 |
|
327 |
"/ |
|
328 |
"/ get interfaces |
|
329 |
"/ |
|
38 | 330 |
interfaces := self readInterfaces. |
1 | 331 |
|
332 |
"/ |
|
333 |
"/ get fields |
|
334 |
"/ |
|
38 | 335 |
fields := self readFieldInfofields. |
40 | 336 |
|
337 |
"/ |
|
338 |
"/ create the fields as instVars |
|
339 |
"/ static fields are created as class-InstVars |
|
340 |
"/ |
|
341 |
staticFields := fields select:[:f | f isStatic]. |
|
342 |
nStatic := staticFields size. |
|
343 |
||
344 |
this_class_ref := constants at:this_class_index. |
|
345 |
nStatic ~~ 0 ifTrue:[ |
|
346 |
fields := fields select:[:f | f isStatic not]. |
|
347 |
||
348 |
this_class := JavaClass fullName:(this_class_ref fullName) numStatic:nStatic. |
|
349 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
|
350 |
] ifFalse:[ |
|
351 |
this_class := JavaClass fullName:(this_class_ref fullName). |
|
352 |
]. |
|
353 |
||
354 |
this_class setAccessFlags:access_flags. |
|
355 |
this_class setSuperclass:super_class. |
|
356 |
this_class setConstantPool:constants. |
|
357 |
||
52 | 358 |
this_class setFields:fields. |
1 | 359 |
|
360 |
"/ |
|
361 |
"/ get methods |
|
362 |
"/ |
|
38 | 363 |
self readMethodsFor:this_class. |
1 | 364 |
|
5 | 365 |
self readAttributesFor:this_class. |
366 |
||
367 |
^ this_class |
|
368 |
||
1 | 369 |
" |
370 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
371 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 372 |
|
373 |
JavaClassReader verbose:true. |
|
374 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
375 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 376 |
" |
377 |
||
378 |
"Created: 15.4.1996 / 15:02:47 / cg" |
|
379 |
"Modified: 15.4.1996 / 16:51:48 / cg" |
|
380 |
! |
|
381 |
||
5 | 382 |
readSourceFileAttributeFor:aJavaClass |
383 |
|attribute_length sourceFile_index sourceFile| |
|
384 |
||
385 |
attribute_length := self nextU4. |
|
386 |
||
387 |
sourceFile_index := self nextU2. |
|
388 |
sourceFile := constants at:sourceFile_index. |
|
389 |
||
390 |
aJavaClass setSourceFile:sourceFile. |
|
391 |
||
392 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCr:sourceFile]. |
|
393 |
^ true |
|
394 |
||
395 |
" |
|
396 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
397 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
398 |
" |
|
399 |
||
400 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
401 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
402 |
! |
|
403 |
||
54 | 404 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 405 |
"reads a class from aStream and returns it. |
406 |
The JavaClass is not installed as global" |
|
407 |
||
5 | 408 |
inStream := aStream. |
409 |
inStream binary. |
|
38 | 410 |
|
54 | 411 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 412 |
|
413 |
" |
|
414 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
415 |
" |
|
416 |
||
417 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
418 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
419 |
! ! |
|
420 |
||
421 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
422 |
||
423 |
readAttribute:attributeName for:something |
|
424 |
(attributeName = 'Code') ifTrue:[ |
|
425 |
self readCodeAttributeFor:something. |
|
426 |
^ true. |
|
427 |
]. |
|
428 |
(attributeName = 'LineNumberTable') ifTrue:[ |
|
429 |
self readLineNumberTableAttributeFor:something. |
|
430 |
^ true. |
|
431 |
]. |
|
432 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
433 |
self readLocalVariableTableAttributeFor:something. |
|
434 |
^ true. |
|
435 |
]. |
|
436 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
437 |
self readConstantValueAttributeFor:something. |
|
438 |
^ true. |
|
439 |
]. |
|
440 |
(attributeName = 'SourceFile') ifTrue:[ |
|
441 |
self readSourceFileAttributeFor:something. |
|
442 |
^ true. |
|
443 |
]. |
|
444 |
^ false |
|
445 |
||
446 |
" |
|
447 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
448 |
" |
|
449 |
||
450 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
451 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
452 |
! |
|
453 |
||
454 |
readAttributeFor:something |
|
455 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
456 |
||
9 | 457 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCr:inStream position]. |
458 |
||
5 | 459 |
attribute_name_index := self nextU2. |
9 | 460 |
|
461 |
"/ |
|
462 |
"/ UNDOC feature ? |
|
463 |
"/ |
|
464 |
attribute_name_index > constants size ifTrue:[ |
|
465 |
attribute_name_index == 16rb700 ifTrue:[ |
|
466 |
self halt. |
|
467 |
] |
|
468 |
]. |
|
469 |
||
5 | 470 |
attribute_name := constants at:attribute_name_index. |
9 | 471 |
|
472 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCr:attribute_name]. |
|
473 |
||
5 | 474 |
(self readAttribute:attribute_name for:something) ifFalse:[ |
475 |
attribute_length := self nextU4. |
|
476 |
attribute_info := ByteArray new:(attribute_length). |
|
477 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
478 |
||
479 |
Verbose ifTrue:[Transcript show:'skipped '; show:attribute_name; showCr:'-attribute']. |
|
480 |
]. |
|
481 |
||
482 |
" |
|
483 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
484 |
" |
|
485 |
||
486 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
487 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
488 |
! |
|
489 |
||
490 |
readAttributesFor:something |
|
491 |
|attributes_count| |
|
492 |
||
493 |
attributes_count := self nextU2. |
|
494 |
||
495 |
1 to:attributes_count do:[:i | |
|
496 |
self readAttributeFor:something. |
|
497 |
]. |
|
498 |
||
499 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
500 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
501 |
! ! |
|
502 |
||
503 |
!JavaClassReader methodsFor:'file reading - constants'! |
|
504 |
||
1 | 505 |
readConstant |
506 |
|tag constReader const| |
|
507 |
||
508 |
||
11 | 509 |
constNeeds2Slots := false. |
510 |
||
1 | 511 |
"/ |
512 |
"/ get tag |
|
513 |
"/ |
|
514 |
tag := self nextU1. |
|
515 |
Verbose ifTrue:[Transcript show:'tag = '; showCr:tag]. |
|
516 |
||
517 |
constReader := #( |
|
518 |
readConstant_Asciz "/ 1 |
|
519 |
readConstant_Undef "/ 2 |
|
520 |
readConstant_Integer "/ 3 |
|
521 |
readConstant_Float "/ 4 |
|
522 |
readConstant_Long "/ 5 |
|
523 |
readConstant_Double "/ 6 |
|
524 |
readConstant_Class "/ 7 |
|
525 |
readConstant_String "/ 8 |
|
526 |
readConstant_Fieldref "/ 9 |
|
527 |
readConstant_Methodref "/ 10 |
|
528 |
readConstant_InterfaceMethodref "/ 11 |
|
529 |
readConstant_NameandType "/ 12 |
|
530 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
531 |
||
532 |
^ self perform:constReader. |
|
533 |
||
534 |
" |
|
535 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
536 |
" |
|
537 |
||
538 |
"Created: 15.4.1996 / 15:46:32 / cg" |
|
539 |
"Modified: 15.4.1996 / 15:47:00 / cg" |
|
540 |
! |
|
541 |
||
542 |
readConstantPool |
|
11 | 543 |
|constantPoolCount const i| |
1 | 544 |
|
545 |
"/ |
|
546 |
"/ get constant pool |
|
547 |
"/ |
|
548 |
constantPoolCount := self nextU2. |
|
549 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCr:constantPoolCount]. |
|
550 |
||
551 |
constants := Array new:constantPoolCount-1. |
|
552 |
||
21 | 553 |
constSlot := 1. |
554 |
[constSlot < constantPoolCount] whileTrue:[ |
|
555 |
Verbose ifTrue:[Transcript show:'const: '; showCr:constSlot]. |
|
1 | 556 |
const := self readConstant. |
21 | 557 |
constants at:constSlot put:const. |
11 | 558 |
constNeeds2Slots ifTrue:[ |
21 | 559 |
constSlot := constSlot + 1. |
11 | 560 |
]. |
21 | 561 |
constSlot := constSlot + 1. |
1 | 562 |
]. |
563 |
||
52 | 564 |
constSlot := -1. |
565 |
||
1 | 566 |
1 to:constantPoolCount-1 do:[:i | |
567 |
|const| |
|
568 |
||
569 |
const := constants at:i. |
|
38 | 570 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
11 | 571 |
constants at:i put:(JavaUnresolvedConstant resolve:const from:constants). |
572 |
] |
|
1 | 573 |
]. |
574 |
||
575 |
" |
|
576 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
577 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
578 |
" |
|
579 |
||
580 |
"Created: 15.4.1996 / 15:14:11 / cg" |
|
581 |
"Modified: 15.4.1996 / 16:41:57 / cg" |
|
582 |
! |
|
583 |
||
584 |
readConstant_Asciz |
|
585 |
|len string| |
|
586 |
||
587 |
len := self nextU2. |
|
588 |
string := String new:len. |
|
589 |
inStream nextBytes:len into:string startingAt:1. |
|
590 |
||
591 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCr:string]. |
|
592 |
||
593 |
^ string |
|
594 |
||
595 |
" |
|
596 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
597 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
598 |
" |
|
599 |
||
600 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
601 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
602 |
! |
|
603 |
||
604 |
readConstant_Class |
|
52 | 605 |
|name_index name| |
1 | 606 |
|
607 |
name_index := self nextU2. |
|
608 |
||
609 |
Verbose ifTrue:[Transcript show:'class; index= '; showCr:name_index]. |
|
610 |
||
52 | 611 |
name := constants at:name_index. |
612 |
name notNil ifTrue:[ |
|
613 |
self halt |
|
614 |
]. |
|
615 |
||
21 | 616 |
^ JavaUnresolvedClassConstant |
617 |
nameIndex:name_index |
|
618 |
pool:constants |
|
619 |
slotIndex:constSlot |
|
1 | 620 |
" |
621 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
622 |
" |
|
623 |
||
624 |
"Created: 15.4.1996 / 15:21:13 / cg" |
|
625 |
"Modified: 15.4.1996 / 15:49:32 / cg" |
|
626 |
! |
|
627 |
||
11 | 628 |
readConstant_Double |
629 |
|high low aFloat| |
|
630 |
||
631 |
high := self nextU4. |
|
632 |
low := self nextU4. |
|
633 |
||
634 |
aFloat := Float new. |
|
635 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
636 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
|
637 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
638 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
639 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
640 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
641 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
642 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
643 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
644 |
] ifFalse:[ |
|
645 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
|
646 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
647 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
648 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
649 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
650 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
651 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
652 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
653 |
]. |
|
654 |
||
655 |
constNeeds2Slots := true. |
|
656 |
||
657 |
Verbose ifTrue:[Transcript show:'double; value= '; showCr:aFloat]. |
|
658 |
^ aFloat |
|
659 |
||
660 |
" |
|
661 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
662 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
663 |
" |
|
664 |
||
665 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
666 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
667 |
! |
|
668 |
||
1 | 669 |
readConstant_Fieldref |
670 |
|class_index name_and_type_index| |
|
671 |
||
672 |
class_index := self nextU2. |
|
673 |
name_and_type_index := self nextU2. |
|
674 |
||
675 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCr:class_index]. |
|
676 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCr:name_and_type_index]. |
|
677 |
||
678 |
^ JavaUnresolvedFieldrefConstant |
|
679 |
classIndex:class_index |
|
680 |
nameandTypeIndex:name_and_type_index |
|
681 |
||
682 |
" |
|
683 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
684 |
" |
|
685 |
||
686 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
687 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
688 |
! |
|
689 |
||
11 | 690 |
readConstant_Float |
691 |
|high aFloat| |
|
692 |
||
693 |
high := self nextU4. |
|
694 |
||
695 |
aFloat := ShortFloat basicNew. |
|
696 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
697 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
|
698 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
699 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
700 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
701 |
] ifFalse:[ |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
702 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
703 |
aFloat basicAt:2 put:((high bitShift:-8) bitAnd:16rFF). |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
704 |
aFloat basicAt:3 put:((high bitShift:-16) bitAnd:16rFF). |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
705 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
11 | 706 |
]. |
707 |
||
708 |
Verbose ifTrue:[Transcript show:'float; value= '; showCr:aFloat]. |
|
709 |
^ aFloat |
|
710 |
||
711 |
" |
|
712 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
713 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
714 |
" |
|
715 |
||
716 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
717 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
718 |
! |
|
719 |
||
1 | 720 |
readConstant_Integer |
721 |
|value| |
|
722 |
||
723 |
value := self nextU4. |
|
724 |
||
725 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCr:value]. |
|
726 |
||
727 |
^ value |
|
728 |
||
729 |
" |
|
730 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
731 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
732 |
" |
|
733 |
||
734 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
735 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
736 |
! |
|
737 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
738 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
739 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
740 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
741 |
class_index := self nextU2. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
742 |
name_and_type_index := self nextU2. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
743 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
744 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCr:class_index]. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
745 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCr:name_and_type_index]. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
746 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
747 |
^ JavaUnresolvedInterfaceMethodrefConstant |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
748 |
classIndex:class_index |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
749 |
nameandTypeIndex:name_and_type_index |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
750 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
751 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
752 |
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
|
753 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
754 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
755 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
756 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
757 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
758 |
|
11 | 759 |
readConstant_Long |
760 |
|high low value| |
|
761 |
||
762 |
high := self nextU4. |
|
763 |
low := self nextU4. |
|
764 |
||
765 |
value := (high bitShift:32) bitOr:low. |
|
766 |
||
767 |
constNeeds2Slots := true. |
|
768 |
||
769 |
Verbose ifTrue:[Transcript show:'long; value= '; showCr:value]. |
|
770 |
^ value |
|
771 |
||
772 |
" |
|
773 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
774 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
775 |
" |
|
776 |
||
777 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
778 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
779 |
! |
|
780 |
||
1 | 781 |
readConstant_Methodref |
782 |
|class_index name_and_type_index| |
|
783 |
||
784 |
class_index := self nextU2. |
|
785 |
name_and_type_index := self nextU2. |
|
786 |
||
787 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCr:class_index]. |
|
788 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCr:name_and_type_index]. |
|
789 |
||
790 |
^ JavaUnresolvedMethodrefConstant |
|
791 |
classIndex:class_index |
|
792 |
nameandTypeIndex:name_and_type_index |
|
793 |
||
794 |
" |
|
795 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
796 |
" |
|
797 |
||
798 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
799 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
800 |
! |
|
801 |
||
802 |
readConstant_NameandType |
|
803 |
|name_index signature_index| |
|
804 |
||
805 |
name_index := self nextU2. |
|
806 |
signature_index := self nextU2. |
|
807 |
||
808 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCr:name_index]. |
|
809 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCr:signature_index]. |
|
810 |
||
811 |
^ JavaUnresolvedNameandTypeConstant |
|
812 |
nameIndex:name_index |
|
813 |
signatureIndex:signature_index |
|
814 |
||
815 |
" |
|
816 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
817 |
" |
|
818 |
||
819 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
820 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
821 |
! |
|
822 |
||
823 |
readConstant_String |
|
824 |
|tag string_index| |
|
825 |
||
826 |
string_index := self nextU2. |
|
827 |
||
828 |
Verbose ifTrue:[Transcript show:'string; index= '; showCr:string_index]. |
|
829 |
||
830 |
^ JavaUnresolvedStringConstant index:string_index |
|
831 |
||
832 |
" |
|
43 | 833 |
Verbose := true. |
834 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 835 |
" |
836 |
||
837 |
"Created: 15.4.1996 / 15:20:33 / cg" |
|
838 |
"Modified: 15.4.1996 / 16:01:37 / cg" |
|
5 | 839 |
! ! |
840 |
||
841 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
842 |
||
843 |
readConstantValueAttributeFor:aField |
|
844 |
|attribute_length constantvalue_index constantValue| |
|
845 |
||
846 |
attribute_length := self nextU4. |
|
847 |
||
848 |
constantvalue_index := self nextU2. |
|
849 |
constantValue := constants at:constantvalue_index. |
|
850 |
||
851 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCr:constantValue]. |
|
852 |
^ true |
|
853 |
||
854 |
" |
|
855 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
856 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
857 |
" |
|
858 |
||
859 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
860 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 861 |
! |
862 |
||
863 |
readFieldInfofield |
|
5 | 864 |
|access_flags name_index signature_index attributes_count field| |
1 | 865 |
|
866 |
access_flags := self nextU2. |
|
867 |
name_index := self nextU2. |
|
868 |
signature_index := self nextU2. |
|
5 | 869 |
|
870 |
field := JavaField new. |
|
871 |
field setAccessFlags:access_flags. |
|
872 |
field setName:(constants at:name_index). |
|
873 |
field setSignature:(constants at:signature_index). |
|
874 |
||
1 | 875 |
attributes_count := self nextU2. |
876 |
||
877 |
1 to:attributes_count do:[:i | |
|
5 | 878 |
self readAttributeFor:field. |
1 | 879 |
]. |
880 |
||
27 | 881 |
^ field |
882 |
||
1 | 883 |
" |
884 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
885 |
" |
|
886 |
||
887 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
888 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
889 |
! |
|
890 |
||
891 |
readFieldInfofields |
|
38 | 892 |
|nFields fields| |
1 | 893 |
|
894 |
"/ |
|
38 | 895 |
"/ get fieldInfos |
1 | 896 |
"/ |
27 | 897 |
nFields := self nextU2. |
898 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCr:nFields]. |
|
1 | 899 |
|
27 | 900 |
fields := Array new:nFields. |
901 |
||
902 |
1 to:nFields do:[:i | |
|
1 | 903 |
Verbose ifTrue:[Transcript show:'field: '; showCr:i]. |
27 | 904 |
fields at:i put:(self readFieldInfofield) |
1 | 905 |
]. |
38 | 906 |
^ fields |
1 | 907 |
|
908 |
" |
|
909 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
910 |
" |
|
911 |
||
912 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
913 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 914 |
! ! |
915 |
||
38 | 916 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
917 |
||
918 |
readInterfaces |
|
919 |
|interfacesCount interface interfaces| |
|
920 |
||
921 |
"/ |
|
922 |
"/ get interfaces |
|
923 |
"/ |
|
924 |
interfacesCount := self nextU2. |
|
925 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCr:interfacesCount]. |
|
926 |
||
927 |
interfaces := Array new:interfacesCount. |
|
928 |
||
929 |
1 to:interfacesCount do:[:i | |
|
930 |
Verbose ifTrue:[Transcript show:'interface: '; showCr:i]. |
|
931 |
interface = self nextU2. |
|
932 |
||
933 |
interfaces at:i put:interface. |
|
934 |
]. |
|
935 |
^ interfaces |
|
936 |
||
937 |
" |
|
938 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
939 |
" |
|
940 |
||
941 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
942 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
943 |
! ! |
|
944 |
||
5 | 945 |
!JavaClassReader methodsFor:'file reading - methods'! |
946 |
||
947 |
readCodeAttributeFor:aJavaMethod |
|
948 |
|attribute_length max_stack max_locals code_length code |
|
9 | 949 |
exception_table_length exception_table unknown1 unknown2| |
1 | 950 |
|
5 | 951 |
attribute_length := self nextU4. |
1 | 952 |
|
9 | 953 |
|
954 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCr:(attribute_length printStringRadix:16)]. |
|
955 |
||
956 |
majorVsn > 2 ifTrue:[ |
|
39 | 957 |
unknown1 := self nextU1. |
958 |
max_stack := self nextU1. |
|
959 |
max_locals := self nextU2. |
|
9 | 960 |
unknown2 := self nextU2. |
29 | 961 |
Verbose ifTrue:[Transcript show:'?1: '; showCr:unknown1]. |
962 |
Verbose ifTrue:[Transcript show:'?2: '; showCr:unknown2]. |
|
39 | 963 |
] ifFalse:[ |
964 |
max_stack := self nextU1. |
|
965 |
max_locals := self nextU1. |
|
9 | 966 |
]. |
967 |
||
5 | 968 |
code_length := self nextU2. |
9 | 969 |
Verbose ifTrue:[Transcript show:'code_length: '; showCr:(code_length printStringRadix:16)]. |
970 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCr:inStream position]. |
|
38 | 971 |
|
5 | 972 |
code := ByteArray new:code_length. |
973 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 974 |
|
9 | 975 |
Verbose ifTrue:[Transcript show:'method code:'; showCr:code.]. |
976 |
||
5 | 977 |
exception_table_length := self nextU2. |
9 | 978 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCr:(exception_table_length printStringRadix:16)]. |
5 | 979 |
exception_table_length ~~ 0 ifTrue:[ |
9 | 980 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCr:exception_table_length.]. |
981 |
||
5 | 982 |
exception_table := Array new:exception_table_length. |
983 |
1 to:exception_table_length do:[:i | |
|
984 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 985 |
|
5 | 986 |
start_pc := self nextU2. |
987 |
end_pc := self nextU2. |
|
988 |
handler_pc := self nextU2. |
|
989 |
catch_type := self nextU2. |
|
990 |
exception_table at:i put:(JavaExceptionTableEntry |
|
991 |
startPC:start_pc |
|
992 |
endPC:end_pc |
|
993 |
handlerPC:handler_pc |
|
994 |
catchType:catch_type). |
|
995 |
]. |
|
29 | 996 |
aJavaMethod setExceptionTable:exception_table. |
1 | 997 |
]. |
998 |
||
29 | 999 |
aJavaMethod |
1000 |
setCode:code |
|
1001 |
maxStack:max_stack |
|
1002 |
maxLocals:max_locals |
|
1003 |
u1:unknown1 |
|
1004 |
u2:unknown2. |
|
5 | 1005 |
|
1006 |
self readAttributesFor:aJavaMethod. |
|
1007 |
^ true |
|
1008 |
||
1 | 1009 |
" |
1010 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1011 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1012 |
" |
1013 |
||
1014 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
5 | 1015 |
"Created: 15.4.1996 / 15:40:17 / cg" |
1016 |
! |
|
1017 |
||
1018 |
readLineNumberTableAttributeFor:aJavaMethod |
|
1019 |
|attribute_length line_number_table_length line_number_table| |
|
1020 |
||
1021 |
attribute_length := self nextU4. |
|
1022 |
||
1023 |
line_number_table_length := self nextU2. |
|
1024 |
line_number_table_length ~~ 0 ifTrue:[ |
|
1025 |
line_number_table := Array new:line_number_table_length. |
|
1026 |
1 to:line_number_table_length do:[:i | |
|
1027 |
|start_pc line_number| |
|
1028 |
||
1029 |
start_pc := self nextU2. |
|
1030 |
line_number := self nextU2. |
|
1031 |
line_number_table at:i put:(start_pc -> line_number). |
|
1032 |
]. |
|
1033 |
]. |
|
1034 |
||
9 | 1035 |
Verbose ifTrue:[Transcript showCr:'method has a lineNumberTable']. |
1036 |
||
5 | 1037 |
aJavaMethod setLineNumberTable:line_number_table. |
1038 |
^ true |
|
1039 |
||
1040 |
" |
|
1041 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1042 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1043 |
" |
|
1044 |
||
1045 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1046 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1047 |
! |
1048 |
||
50 | 1049 |
readLocalVariableTableAttributeFor:aJavaMethod |
1050 |
|attribute_length local_variable_table_length local_variable_table| |
|
1051 |
||
1052 |
attribute_length := self nextU4. |
|
1053 |
||
1054 |
local_variable_table_length := self nextU2. |
|
1055 |
local_variable_table_length ~~ 0 ifTrue:[ |
|
1056 |
local_variable_table := Array new:local_variable_table_length. |
|
1057 |
1 to:local_variable_table_length do:[:i | |
|
1058 |
|start_pc length name_index sig_index slot name signature| |
|
1059 |
||
1060 |
start_pc := self nextU2. |
|
1061 |
length := self nextU2. |
|
1062 |
name_index := self nextU2. |
|
1063 |
name := nil. |
|
1064 |
sig_index := self nextU2. |
|
1065 |
signature := nil. |
|
1066 |
slot := self nextU2. |
|
1067 |
||
1068 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
|
1069 |
startPC:start_pc |
|
1070 |
length:length |
|
1071 |
name:name |
|
1072 |
signature:signature |
|
1073 |
slot:slot) |
|
1074 |
]. |
|
1075 |
]. |
|
1076 |
||
1077 |
Verbose ifTrue:[Transcript showCr:'method has a localvariableTable']. |
|
1078 |
||
1079 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1080 |
^ true |
|
1081 |
||
1082 |
" |
|
1083 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1084 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1085 |
" |
|
1086 |
||
1087 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1088 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1089 |
! |
|
1090 |
||
38 | 1091 |
readMethodFor:aJavaClass |
9 | 1092 |
|m access_flags name_index name signature_index signature| |
1 | 1093 |
|
1094 |
"/ |
|
1095 |
"/ get a method |
|
1096 |
"/ |
|
1097 |
access_flags := self nextU2. |
|
1098 |
name_index := self nextU2. |
|
1099 |
signature_index := self nextU2. |
|
1100 |
||
5 | 1101 |
name := constants at:name_index. |
1102 |
signature := constants at:signature_index. |
|
9 | 1103 |
|
1104 |
Verbose ifTrue:[Transcript show:'method name:'; showCr:name. |
|
1105 |
Transcript show:'signature:'; showCr:signature.]. |
|
1106 |
||
5 | 1107 |
m := JavaMethod new. |
1108 |
m setAccessFlags:access_flags. |
|
1109 |
m setSignature:signature. |
|
1110 |
m setName:name. |
|
38 | 1111 |
m setJavaClass:aJavaClass. |
5 | 1112 |
|
1113 |
self readAttributesFor:m. |
|
1114 |
||
38 | 1115 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1116 |
|
1117 |
" |
|
1118 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1119 |
" |
|
1120 |
||
1121 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1122 |
"Created: 15.4.1996 / 16:48:49 / cg" |
|
1123 |
! |
|
1124 |
||
38 | 1125 |
readMethodsFor:aJavaClass |
1 | 1126 |
|methodsCount method| |
1127 |
||
1128 |
||
1129 |
"/ |
|
1130 |
"/ get methods |
|
1131 |
"/ |
|
1132 |
methodsCount := self nextU2. |
|
1133 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCr:methodsCount]. |
|
1134 |
||
1135 |
1 to:methodsCount do:[:i | |
|
1136 |
Verbose ifTrue:[Transcript show:'method: '; showCr:i]. |
|
38 | 1137 |
method := self readMethodFor:aJavaClass |
1 | 1138 |
]. |
1139 |
||
1140 |
" |
|
1141 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1142 |
" |
|
1143 |
||
1144 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1145 |
"Created: 15.4.1996 / 16:46:30 / cg" |
|
1146 |
! ! |
|
1147 |
||
1148 |
!JavaClassReader methodsFor:'low level reading'! |
|
1149 |
||
1150 |
nextU1 |
|
1151 |
^ inStream nextByte |
|
1152 |
||
1153 |
"Created: 15.4.1996 / 15:15:43 / cg" |
|
1154 |
! |
|
1155 |
||
1156 |
nextU2 |
|
1157 |
^ inStream nextUnsignedShortMSB:msb |
|
1158 |
||
1159 |
"Created: 15.4.1996 / 15:12:25 / cg" |
|
1160 |
! |
|
1161 |
||
1162 |
nextU4 |
|
1163 |
^ inStream nextUnsignedLongMSB:msb |
|
1164 |
||
1165 |
"Created: 15.4.1996 / 15:04:28 / cg" |
|
1166 |
! ! |
|
1167 |
||
1168 |
!JavaClassReader class methodsFor:'documentation'! |
|
1169 |
||
1170 |
version |
|
54 | 1171 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.18 1996/05/06 18:58:11 cg Exp $' |
1 | 1172 |
! ! |
1173 |
JavaClassReader initialize! |