author | cg |
Wed, 26 Jun 1996 08:39:43 +0000 | |
changeset 73 | a1268823f1a4 |
parent 72 | 9427aa6a8528 |
child 83 | 2d61ef3579e4 |
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 |
||
62 | 10 |
!JavaClassReader class methodsFor:'initialization'! |
1 | 11 |
|
12 |
initialize |
|
43 | 13 |
Verbose := false. Silent := false. |
29 | 14 |
self initializeClassPath |
15 |
||
16 |
" |
|
17 |
JavaClassReader initialize |
|
18 |
" |
|
19 |
! |
|
20 |
||
21 |
initializeClassPath |
|
71 | 22 |
self initializeClassPath:#('/home/cg/java/'). |
72 | 23 |
self initializeClassPath:#('/home/cg/java/JDK/classes/' '/home/cg/java/JWS/classes' ). |
71 | 24 |
|
25 |
"/ self initializeClassPath:#( |
|
26 |
"/ '/phys/ibm3/java/lib/' |
|
27 |
"/ '/phys/ibm3/hotjava/classes/' |
|
28 |
"/ ) |
|
29 | 29 |
|
30 |
" |
|
31 |
JavaClassReader initializeClassPath |
|
32 |
" |
|
62 | 33 |
! |
34 |
||
35 |
initializeClassPath:aCollectionOfDirectoryPathNames |
|
36 |
ClassPath := aCollectionOfDirectoryPathNames |
|
37 |
||
38 |
" |
|
39 |
JavaClassReader initializeClassPath:#( |
|
40 |
'/home/cg/java/' |
|
41 |
) |
|
42 |
" |
|
1 | 43 |
! ! |
44 |
||
62 | 45 |
!JavaClassReader class methodsFor:'debugging'! |
1 | 46 |
|
47 |
verbose:aBoolean |
|
48 |
Verbose := aBoolean |
|
49 |
||
50 |
" |
|
67 | 51 |
Java flushClasses. |
1 | 52 |
JavaClassReader verbose:true |
53 |
JavaClassReader verbose:false |
|
54 |
" |
|
55 |
! ! |
|
56 |
||
62 | 57 |
!JavaClassReader class methodsFor:'file reading'! |
1 | 58 |
|
21 | 59 |
loadClass:aClassName |
43 | 60 |
"reads a class, installs and returns it. |
61 |
The classes string constants are resolved & <clinit> is called, |
|
62 |
if it implements it." |
|
21 | 63 |
|
64 |
|rslt| |
|
65 |
||
54 | 66 |
rslt := self loadClassLazy:aClassName ignoring:Set new. |
43 | 67 |
self postLoadActions. |
40 | 68 |
|
38 | 69 |
^ rslt |
21 | 70 |
|
71 |
" |
|
72 |
JavaClassReader loadClass:'awt/Component' |
|
73 |
JavaClassReader loadClass:'awt/Button' |
|
74 |
JavaClassReader loadClass:'browser/AddButton' |
|
75 |
||
76 |
JavaClassReader loadClass:'java/lang/Object' |
|
77 |
JavaClassReader loadClass:'java/lang/AbstractMethodError' |
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78 |
JavaClassReader loadClass:'java/lang/Thread' |
|
79 |
" |
|
80 |
||
81 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
82 |
! |
|
83 |
||
54 | 84 |
loadClassLazy:aClassName ignoring:classesBeingLoaded |
38 | 85 |
"private helper: |
86 |
reads a class, installs and returns it. |
|
87 |
The class is searched along the ClassPath. |
|
43 | 88 |
|
89 |
This is a partial load (to load other classes): |
|
90 |
- The classes stringConstants are not fixed to be JavaStrings |
|
91 |
(i.e they are still ST-Strings). |
|
92 |
- The class is not initialized." |
|
38 | 93 |
|
50 | 94 |
|rslt clsName| |
95 |
||
52 | 96 |
(aClassName endsWith:';') ifTrue:[ |
97 |
('oops - loading of ' , aClassName , ' attempted') printNL. |
|
98 |
self halt. |
|
99 |
^ nil |
|
100 |
]. |
|
101 |
||
50 | 102 |
clsName := aClassName. |
103 |
(clsName includes:$.) ifTrue:[ |
|
104 |
clsName := clsName copy replaceAll:$. by:$/ |
|
105 |
]. |
|
38 | 106 |
|
54 | 107 |
(classesBeingLoaded includes:clsName) ifTrue:[ |
108 |
('oops - recursive load of ' , clsName , ' attempted') printNL. |
|
109 |
"/ self halt. |
|
110 |
^ JavaUnresolvedClassConstant fullName:clsName |
|
111 |
]. |
|
112 |
||
113 |
classesBeingLoaded add:clsName. |
|
114 |
||
38 | 115 |
ClassPath do:[:path | |
54 | 116 |
rslt := self loadFileLazy:(path , clsName , '.class') |
117 |
ignoring:classesBeingLoaded. |
|
38 | 118 |
rslt notNil ifTrue:[^ rslt]. |
119 |
]. |
|
120 |
||
54 | 121 |
^ rslt |
38 | 122 |
! |
123 |
||
7 | 124 |
loadFile:aFilename |
43 | 125 |
"reads a class from aFilename, installs and returns it. |
126 |
The classes strings are fixed and its class-init function is called." |
|
127 |
||
54 | 128 |
self loadFileLazy:aFilename ignoring:(Set new). |
43 | 129 |
self postLoadActions |
130 |
! |
|
131 |
||
54 | 132 |
loadFileLazy:aFilename ignoring:classesBeingLoaded |
43 | 133 |
"reads a class from aFilename, installs and returns it. |
134 |
No strings are fixed and no class-init functions are called." |
|
7 | 135 |
|
21 | 136 |
|javaClass pool| |
7 | 137 |
|
54 | 138 |
javaClass := self readFile:aFilename ignoring:classesBeingLoaded. |
7 | 139 |
javaClass notNil ifTrue:[ |
32 | 140 |
Java at:(javaClass fullName asSymbol) put:javaClass. |
21 | 141 |
|
54 | 142 |
"/ javaClass resolveClassRefsIgnoring:classesBeingLoaded. |
143 |
||
144 |
classesBeingLoaded remove:javaClass fullName ifAbsent:nil. |
|
21 | 145 |
|
146 |
"/ Smalltalk at:(javaClass fullName asSymbol) put:javaClass. |
|
147 |
"/ Smalltalk changed. |
|
7 | 148 |
]. |
9 | 149 |
^ javaClass |
7 | 150 |
|
151 |
" |
|
152 |
JavaClassReader loadFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
9 | 153 |
|
154 |
'/phys/ibm3/java/lib/java/lang' asFilename |
|
155 |
directoryContents do:[:nm | |
|
156 |
(nm endsWith:'.class') ifTrue:[ |
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can now load all java.class files (see JavaClassReader>>loadFile:)
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157 |
('/phys/ibm3/java/lib/java/lang/' , nm) printNL. |
9 | 158 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/' , nm |
159 |
] |
|
21 | 160 |
]. |
9 | 161 |
|
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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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can now load all java.class files (see JavaClassReader>>loadFile:)
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JavaClassReader loadFile:'/phys/ibm3/java/lib/java/io/' , nm |
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] |
21 | 168 |
]. |
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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 | 176 |
]. |
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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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('/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 | 184 |
]. |
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can now load all java.class files (see JavaClassReader>>loadFile:)
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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:[ |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
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parents:
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|
189 |
('/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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parents:
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191 |
] |
21 | 192 |
]. |
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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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|
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(nm endsWith:'.class') ifTrue:[ |
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can now load all java.class files (see JavaClassReader>>loadFile:)
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parents:
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|
197 |
('/phys/ibm3/java/lib/java/applet/' , nm) printNL. |
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can now load all java.class files (see JavaClassReader>>loadFile:)
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|
198 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/applet/' , nm |
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199 |
] |
21 | 200 |
]. |
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|
201 |
|
9 | 202 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/AbstractMethodError.class' |
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203 |
JavaClassReader loadFile:'/phys/ibm3/java/lib/java/lang/Thread.class' |
7 | 204 |
" |
205 |
||
206 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
207 |
! |
|
208 |
||
43 | 209 |
postLoadActions |
210 |
"Resolve all classes' string constants. |
|
211 |
Perform all class initialization functions (of those which are not |
|
212 |
yet initialized)." |
|
213 |
||
214 |
JavaUnresolvedStringConstant patchupStringConstants. |
|
215 |
||
216 |
Java allClassesDo:[:aJavaClass | |
|
54 | 217 |
aJavaClass resolveClassRefsIgnoring:Set new. |
218 |
]. |
|
219 |
||
220 |
Java allClassesDo:[:aJavaClass | |
|
43 | 221 |
aJavaClass isInitialized ifFalse:[ |
222 |
aJavaClass classInit |
|
223 |
] |
|
224 |
] |
|
225 |
! |
|
226 |
||
54 | 227 |
readFile:aFilename ignoring:classesBeingLoaded |
7 | 228 |
"reads a class from aFilename and returns it. |
43 | 229 |
The JavaClass is NOT installed as global" |
7 | 230 |
|
73 | 231 |
|inStream javaClass| |
1 | 232 |
|
43 | 233 |
Silent ifFalse:[ |
234 |
'reading ' print. aFilename print. ' ...' printNL. |
|
235 |
]. |
|
21 | 236 |
|
1 | 237 |
inStream := aFilename asFilename readStream. |
27 | 238 |
inStream isNil ifTrue:['nil' printNL. ^ nil]. |
73 | 239 |
javaClass := self readStream:inStream ignoring:classesBeingLoaded. |
240 |
javaClass notNil ifTrue:[ |
|
241 |
javaClass setBinaryFilePath:(inStream pathName). |
|
242 |
]. |
|
1 | 243 |
inStream close. |
27 | 244 |
|
43 | 245 |
Silent ifFalse:[ |
73 | 246 |
' ... loaded ' print. javaClass displayString printNL. |
43 | 247 |
]. |
27 | 248 |
|
73 | 249 |
^ javaClass |
1 | 250 |
|
251 |
"Created: 15.4.1996 / 14:58:53 / cg" |
|
252 |
! |
|
253 |
||
54 | 254 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 255 |
"reads a class from aStream and returns it. |
256 |
The JavaClass is not installed as global" |
|
257 |
||
54 | 258 |
^ self new readStream:aStream ignoring:classesBeingLoaded |
1 | 259 |
|
260 |
" |
|
261 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
262 |
" |
|
263 |
||
264 |
"Modified: 15.4.1996 / 15:01:30 / cg" |
|
265 |
! ! |
|
266 |
||
267 |
!JavaClassReader methodsFor:'file reading'! |
|
268 |
||
54 | 269 |
readClassFileIgnoring:classesbeingLoaded |
7 | 270 |
"reads a class from inStream and returns it. |
38 | 271 |
The JavaClass is not installed as global and its constants |
272 |
(especially strings) may not be fully resolved." |
|
7 | 273 |
|
9 | 274 |
|magic |
38 | 275 |
access_flags this_class this_class_index super_class super_class_index |
276 |
realSuperClass this_class_ref existingSuperClass |
|
40 | 277 |
fields interfaces staticFields nStatic| |
1 | 278 |
|
279 |
"/ |
|
280 |
"/ read magic, determine byte order |
|
281 |
"/ |
|
282 |
msb := true. |
|
283 |
magic := self nextU4. |
|
284 |
magic = 16rCAFEBABE ifFalse:[ |
|
285 |
magic = 16rBEBAFECA ifFalse:[ |
|
286 |
self error:'not a java class file'. |
|
287 |
^ nil |
|
288 |
]. |
|
289 |
msb := false. |
|
61 | 290 |
Verbose ifTrue:[Transcript showCR:'file is lsb']. |
1 | 291 |
] ifTrue:[ |
61 | 292 |
Verbose ifTrue:[Transcript showCR:'file is msb']. |
1 | 293 |
]. |
294 |
||
295 |
"/ |
|
296 |
"/ get version |
|
297 |
"/ |
|
298 |
version := self nextU4. |
|
9 | 299 |
majorVsn := (version bitShift:-16) bitAnd:16rFFFF. |
300 |
minorVsn := version bitAnd:16rFFFF. |
|
301 |
||
302 |
Verbose ifTrue:[Transcript show:'version = '; |
|
303 |
show:(majorVsn printString); |
|
304 |
show:'.'; |
|
61 | 305 |
showCR:(minorVsn printString)]. |
1 | 306 |
|
307 |
"/ |
|
308 |
"/ get constant pool |
|
309 |
"/ |
|
310 |
self readConstantPool. |
|
311 |
||
312 |
"/ |
|
313 |
"/ access flags |
|
314 |
"/ |
|
315 |
access_flags := self nextU2. |
|
316 |
this_class_index := self nextU2. |
|
317 |
super_class_index := self nextU2. |
|
318 |
||
40 | 319 |
"/ this_class_ref := constants at:this_class_index. |
320 |
"/ this_class := JavaClass fullName:(this_class_ref fullName). |
|
21 | 321 |
|
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322 |
super_class_index == 0 ifTrue:[ |
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parents:
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323 |
super_class := nil |
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|
324 |
] ifFalse:[ |
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|
325 |
super_class := constants at:super_class_index. |
32 | 326 |
existingSuperClass := Java classNamed:super_class fullName. |
21 | 327 |
existingSuperClass notNil ifTrue:[ |
328 |
super_class := existingSuperClass |
|
54 | 329 |
] ifFalse:[ |
330 |
(super_class isMemberOf:JavaUnresolvedClassConstant) ifTrue:[ |
|
331 |
existingSuperClass := super_class resolve. |
|
332 |
existingSuperClass isNil ifTrue:[ |
|
72 | 333 |
existingSuperClass := self class |
54 | 334 |
loadClassLazy:(super_class fullName) |
335 |
ignoring:classesbeingLoaded. |
|
336 |
]. |
|
72 | 337 |
existingSuperClass isNil ifTrue:[ |
54 | 338 |
self halt:('cannot find superclass: ' , super_class fullName). |
72 | 339 |
]. |
340 |
super_class := existingSuperClass |
|
29 | 341 |
]. |
342 |
]. |
|
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|
343 |
]. |
1 | 344 |
|
345 |
"/ |
|
346 |
"/ get interfaces |
|
347 |
"/ |
|
38 | 348 |
interfaces := self readInterfaces. |
1 | 349 |
|
350 |
"/ |
|
351 |
"/ get fields |
|
352 |
"/ |
|
38 | 353 |
fields := self readFieldInfofields. |
40 | 354 |
|
355 |
"/ |
|
356 |
"/ create the fields as instVars |
|
357 |
"/ static fields are created as class-InstVars |
|
358 |
"/ |
|
359 |
staticFields := fields select:[:f | f isStatic]. |
|
360 |
nStatic := staticFields size. |
|
361 |
||
362 |
this_class_ref := constants at:this_class_index. |
|
363 |
nStatic ~~ 0 ifTrue:[ |
|
364 |
fields := fields select:[:f | f isStatic not]. |
|
365 |
||
366 |
this_class := JavaClass fullName:(this_class_ref fullName) numStatic:nStatic. |
|
367 |
JavaClass setInstanceVariableStringFromFields:staticFields in:this_class class. |
|
59 | 368 |
this_class setStaticFields:staticFields. |
60 | 369 |
this_class initializeStaticFields. |
40 | 370 |
] ifFalse:[ |
371 |
this_class := JavaClass fullName:(this_class_ref fullName). |
|
372 |
]. |
|
373 |
||
374 |
this_class setAccessFlags:access_flags. |
|
375 |
this_class setSuperclass:super_class. |
|
376 |
this_class setConstantPool:constants. |
|
377 |
||
52 | 378 |
this_class setFields:fields. |
1 | 379 |
|
380 |
"/ |
|
381 |
"/ get methods |
|
382 |
"/ |
|
38 | 383 |
self readMethodsFor:this_class. |
1 | 384 |
|
5 | 385 |
self readAttributesFor:this_class. |
386 |
||
387 |
^ this_class |
|
388 |
||
1 | 389 |
" |
390 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
391 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
9 | 392 |
|
393 |
JavaClassReader verbose:true. |
|
394 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/ArithmeticException.class' |
|
395 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/ArithmeticException.class' |
|
1 | 396 |
" |
397 |
||
398 |
"Created: 15.4.1996 / 15:02:47 / cg" |
|
399 |
"Modified: 15.4.1996 / 16:51:48 / cg" |
|
400 |
! |
|
401 |
||
5 | 402 |
readSourceFileAttributeFor:aJavaClass |
403 |
|attribute_length sourceFile_index sourceFile| |
|
404 |
||
405 |
attribute_length := self nextU4. |
|
406 |
||
407 |
sourceFile_index := self nextU2. |
|
408 |
sourceFile := constants at:sourceFile_index. |
|
409 |
||
410 |
aJavaClass setSourceFile:sourceFile. |
|
411 |
||
61 | 412 |
Verbose ifTrue:[Transcript show:'sourceFile: '; showCR:sourceFile]. |
5 | 413 |
^ true |
414 |
||
415 |
" |
|
416 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
417 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
418 |
" |
|
419 |
||
420 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
421 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
422 |
! |
|
423 |
||
54 | 424 |
readStream:aStream ignoring:classesBeingLoaded |
7 | 425 |
"reads a class from aStream and returns it. |
426 |
The JavaClass is not installed as global" |
|
427 |
||
5 | 428 |
inStream := aStream. |
429 |
inStream binary. |
|
38 | 430 |
|
54 | 431 |
^ self readClassFileIgnoring:classesBeingLoaded |
5 | 432 |
|
433 |
" |
|
434 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
435 |
" |
|
436 |
||
437 |
"Created: 15.4.1996 / 15:00:55 / cg" |
|
438 |
"Modified: 15.4.1996 / 15:06:18 / cg" |
|
439 |
! ! |
|
440 |
||
441 |
!JavaClassReader methodsFor:'file reading - attributes'! |
|
442 |
||
443 |
readAttribute:attributeName for:something |
|
444 |
(attributeName = 'Code') ifTrue:[ |
|
445 |
self readCodeAttributeFor:something. |
|
446 |
^ true. |
|
447 |
]. |
|
448 |
(attributeName = 'LineNumberTable') ifTrue:[ |
|
449 |
self readLineNumberTableAttributeFor:something. |
|
450 |
^ true. |
|
451 |
]. |
|
452 |
(attributeName = 'LocalVariableTable') ifTrue:[ |
|
453 |
self readLocalVariableTableAttributeFor:something. |
|
454 |
^ true. |
|
455 |
]. |
|
456 |
(attributeName = 'ConstantValue') ifTrue:[ |
|
457 |
self readConstantValueAttributeFor:something. |
|
458 |
^ true. |
|
459 |
]. |
|
460 |
(attributeName = 'SourceFile') ifTrue:[ |
|
461 |
self readSourceFileAttributeFor:something. |
|
462 |
^ true. |
|
463 |
]. |
|
464 |
^ false |
|
465 |
||
466 |
" |
|
467 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
468 |
" |
|
469 |
||
470 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
471 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
472 |
! |
|
473 |
||
474 |
readAttributeFor:something |
|
475 |
|attribute_name_index attribute_name attribute_length attribute_info| |
|
476 |
||
61 | 477 |
Verbose ifTrue:[Transcript show:'attrib at pos: '; showCR:inStream position]. |
9 | 478 |
|
5 | 479 |
attribute_name_index := self nextU2. |
9 | 480 |
|
481 |
"/ |
|
482 |
"/ UNDOC feature ? |
|
483 |
"/ |
|
484 |
attribute_name_index > constants size ifTrue:[ |
|
485 |
attribute_name_index == 16rb700 ifTrue:[ |
|
486 |
self halt. |
|
487 |
] |
|
488 |
]. |
|
489 |
||
5 | 490 |
attribute_name := constants at:attribute_name_index. |
9 | 491 |
|
61 | 492 |
Verbose ifTrue:[Transcript show:'attrib name: '; showCR:attribute_name]. |
9 | 493 |
|
5 | 494 |
(self readAttribute:attribute_name for:something) ifFalse:[ |
495 |
attribute_length := self nextU4. |
|
496 |
attribute_info := ByteArray new:(attribute_length). |
|
497 |
inStream nextBytes:attribute_length into:attribute_info startingAt:1. |
|
498 |
||
61 | 499 |
Verbose ifTrue:[Transcript show:'skipped '; show:attribute_name; showCR:'-attribute']. |
5 | 500 |
]. |
501 |
||
502 |
" |
|
503 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
504 |
" |
|
505 |
||
506 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
507 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
508 |
! |
|
509 |
||
510 |
readAttributesFor:something |
|
511 |
|attributes_count| |
|
512 |
||
513 |
attributes_count := self nextU2. |
|
514 |
||
515 |
1 to:attributes_count do:[:i | |
|
516 |
self readAttributeFor:something. |
|
517 |
]. |
|
518 |
||
519 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
520 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
521 |
! ! |
|
522 |
||
523 |
!JavaClassReader methodsFor:'file reading - constants'! |
|
524 |
||
1 | 525 |
readConstant |
526 |
|tag constReader const| |
|
527 |
||
528 |
||
11 | 529 |
constNeeds2Slots := false. |
530 |
||
1 | 531 |
"/ |
532 |
"/ get tag |
|
533 |
"/ |
|
534 |
tag := self nextU1. |
|
61 | 535 |
Verbose ifTrue:[Transcript show:'tag = '; showCR:tag]. |
1 | 536 |
|
537 |
constReader := #( |
|
538 |
readConstant_Asciz "/ 1 |
|
539 |
readConstant_Undef "/ 2 |
|
540 |
readConstant_Integer "/ 3 |
|
541 |
readConstant_Float "/ 4 |
|
542 |
readConstant_Long "/ 5 |
|
543 |
readConstant_Double "/ 6 |
|
544 |
readConstant_Class "/ 7 |
|
545 |
readConstant_String "/ 8 |
|
546 |
readConstant_Fieldref "/ 9 |
|
547 |
readConstant_Methodref "/ 10 |
|
548 |
readConstant_InterfaceMethodref "/ 11 |
|
549 |
readConstant_NameandType "/ 12 |
|
550 |
) at:tag ifAbsent:[#readConstant_Undef]. |
|
551 |
||
552 |
^ self perform:constReader. |
|
553 |
||
554 |
" |
|
555 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
556 |
" |
|
557 |
||
558 |
"Created: 15.4.1996 / 15:46:32 / cg" |
|
559 |
"Modified: 15.4.1996 / 15:47:00 / cg" |
|
560 |
! |
|
561 |
||
562 |
readConstantPool |
|
11 | 563 |
|constantPoolCount const i| |
1 | 564 |
|
565 |
"/ |
|
566 |
"/ get constant pool |
|
567 |
"/ |
|
568 |
constantPoolCount := self nextU2. |
|
61 | 569 |
Verbose ifTrue:[Transcript show:'constantPoolCount = '; showCR:constantPoolCount]. |
1 | 570 |
|
571 |
constants := Array new:constantPoolCount-1. |
|
572 |
||
21 | 573 |
constSlot := 1. |
574 |
[constSlot < constantPoolCount] whileTrue:[ |
|
61 | 575 |
Verbose ifTrue:[Transcript show:'const: '; showCR:constSlot]. |
1 | 576 |
const := self readConstant. |
21 | 577 |
constants at:constSlot put:const. |
11 | 578 |
constNeeds2Slots ifTrue:[ |
21 | 579 |
constSlot := constSlot + 1. |
11 | 580 |
]. |
21 | 581 |
constSlot := constSlot + 1. |
1 | 582 |
]. |
583 |
||
52 | 584 |
constSlot := -1. |
585 |
||
1 | 586 |
1 to:constantPoolCount-1 do:[:i | |
67 | 587 |
|const value| |
1 | 588 |
|
589 |
const := constants at:i. |
|
38 | 590 |
const notNil ifTrue:[ "/ kludge for 2-slot constants (which only take 1 slot in ST/X) |
67 | 591 |
value := JavaUnresolvedConstant resolve:const from:constants. |
592 |
constants at:i put:value. |
|
11 | 593 |
] |
1 | 594 |
]. |
595 |
||
596 |
" |
|
597 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
598 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
599 |
" |
|
600 |
||
601 |
"Created: 15.4.1996 / 15:14:11 / cg" |
|
602 |
"Modified: 15.4.1996 / 16:41:57 / cg" |
|
603 |
! |
|
604 |
||
605 |
readConstant_Asciz |
|
606 |
|len string| |
|
607 |
||
608 |
len := self nextU2. |
|
609 |
string := String new:len. |
|
610 |
inStream nextBytes:len into:string startingAt:1. |
|
611 |
||
61 | 612 |
Verbose ifTrue:[Transcript show:'asciz; string= '; showCR:string]. |
1 | 613 |
|
614 |
^ string |
|
615 |
||
616 |
" |
|
617 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
618 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
619 |
" |
|
620 |
||
621 |
"Created: 15.4.1996 / 15:15:35 / cg" |
|
622 |
"Modified: 15.4.1996 / 16:33:45 / cg" |
|
623 |
! |
|
624 |
||
625 |
readConstant_Class |
|
52 | 626 |
|name_index name| |
1 | 627 |
|
628 |
name_index := self nextU2. |
|
629 |
||
61 | 630 |
Verbose ifTrue:[Transcript show:'class; index= '; showCR:name_index]. |
1 | 631 |
|
52 | 632 |
name := constants at:name_index. |
633 |
name notNil ifTrue:[ |
|
634 |
self halt |
|
635 |
]. |
|
636 |
||
21 | 637 |
^ JavaUnresolvedClassConstant |
638 |
nameIndex:name_index |
|
639 |
pool:constants |
|
640 |
slotIndex:constSlot |
|
1 | 641 |
" |
642 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
643 |
" |
|
644 |
||
645 |
"Created: 15.4.1996 / 15:21:13 / cg" |
|
646 |
"Modified: 15.4.1996 / 15:49:32 / cg" |
|
647 |
! |
|
648 |
||
11 | 649 |
readConstant_Double |
650 |
|high low aFloat| |
|
651 |
||
652 |
high := self nextU4. |
|
653 |
low := self nextU4. |
|
654 |
||
655 |
aFloat := Float new. |
|
656 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
657 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
|
658 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
659 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
660 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
661 |
aFloat basicAt:5 put:((low bitShift:-24) bitAnd:16rFF). |
|
662 |
aFloat basicAt:6 put:((low bitShift:-16) bitAnd:16rFF). |
|
663 |
aFloat basicAt:7 put:((low bitShift:-8) bitAnd:16rFF). |
|
664 |
aFloat basicAt:8 put:(low bitAnd:16rFF). |
|
665 |
] ifFalse:[ |
|
666 |
aFloat basicAt:1 put:(low bitAnd:16rFF). |
|
667 |
aFloat basicAt:2 put:((low bitShift:-8) bitAnd:16rFF). |
|
668 |
aFloat basicAt:3 put:((low bitShift:-16) bitAnd:16rFF). |
|
669 |
aFloat basicAt:4 put:((low bitShift:-24) bitAnd:16rFF). |
|
670 |
aFloat basicAt:5 put:(high bitAnd:16rFF). |
|
671 |
aFloat basicAt:6 put:((high bitShift:-8) bitAnd:16rFF). |
|
672 |
aFloat basicAt:7 put:((high bitShift:-16) bitAnd:16rFF). |
|
673 |
aFloat basicAt:8 put:((high bitShift:-24) bitAnd:16rFF). |
|
674 |
]. |
|
675 |
||
676 |
constNeeds2Slots := true. |
|
677 |
||
61 | 678 |
Verbose ifTrue:[Transcript show:'double; value= '; showCR:aFloat]. |
11 | 679 |
^ aFloat |
680 |
||
681 |
" |
|
682 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
683 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
684 |
" |
|
685 |
||
686 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
687 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
688 |
! |
|
689 |
||
1 | 690 |
readConstant_Fieldref |
691 |
|class_index name_and_type_index| |
|
692 |
||
693 |
class_index := self nextU2. |
|
694 |
name_and_type_index := self nextU2. |
|
695 |
||
61 | 696 |
Verbose ifTrue:[Transcript show:'fieldref; classindex= '; showCR:class_index]. |
697 |
Verbose ifTrue:[Transcript show:'fieldref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 698 |
|
699 |
^ JavaUnresolvedFieldrefConstant |
|
700 |
classIndex:class_index |
|
701 |
nameandTypeIndex:name_and_type_index |
|
702 |
||
703 |
" |
|
704 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
705 |
" |
|
706 |
||
707 |
"Created: 15.4.1996 / 15:22:18 / cg" |
|
708 |
"Modified: 15.4.1996 / 16:07:01 / cg" |
|
709 |
! |
|
710 |
||
11 | 711 |
readConstant_Float |
712 |
|high aFloat| |
|
713 |
||
714 |
high := self nextU4. |
|
715 |
||
716 |
aFloat := ShortFloat basicNew. |
|
717 |
UninterpretedBytes isBigEndian ifTrue:[ |
|
718 |
aFloat basicAt:1 put:((high bitShift:-24) bitAnd:16rFF). |
|
719 |
aFloat basicAt:2 put:((high bitShift:-16) bitAnd:16rFF). |
|
720 |
aFloat basicAt:3 put:((high bitShift:-8) bitAnd:16rFF). |
|
721 |
aFloat basicAt:4 put:(high bitAnd:16rFF). |
|
722 |
] ifFalse:[ |
|
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
723 |
aFloat basicAt:1 put:(high bitAnd:16rFF). |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
724 |
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
|
725 |
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
|
726 |
aFloat basicAt:4 put:((high bitShift:-24) bitAnd:16rFF). |
11 | 727 |
]. |
728 |
||
61 | 729 |
Verbose ifTrue:[Transcript show:'float; value= '; showCR:aFloat]. |
11 | 730 |
^ aFloat |
731 |
||
732 |
" |
|
733 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
734 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
735 |
" |
|
736 |
||
737 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
738 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
739 |
! |
|
740 |
||
1 | 741 |
readConstant_Integer |
742 |
|value| |
|
743 |
||
60 | 744 |
value := self nextS4. |
1 | 745 |
|
61 | 746 |
Verbose ifTrue:[Transcript show:'integer; value= '; showCR:value]. |
1 | 747 |
|
748 |
^ value |
|
749 |
||
750 |
" |
|
751 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
752 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
753 |
" |
|
754 |
||
755 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
756 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
757 |
! |
|
758 |
||
14
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
759 |
readConstant_InterfaceMethodref |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
760 |
|class_index name_and_type_index| |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
761 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
762 |
class_index := self nextU2. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
763 |
name_and_type_index := self nextU2. |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
764 |
|
61 | 765 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
766 |
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
|
767 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
768 |
^ JavaUnresolvedInterfaceMethodrefConstant |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
769 |
classIndex:class_index |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
770 |
nameandTypeIndex:name_and_type_index |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
771 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
772 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
773 |
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
|
774 |
" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
775 |
|
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
776 |
"Created: 15.4.1996 / 15:22:37 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
777 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
778 |
! |
c1d9f60eb650
can now load all java.class files (see JavaClassReader>>loadFile:)
cg
parents:
11
diff
changeset
|
779 |
|
11 | 780 |
readConstant_Long |
781 |
|high low value| |
|
782 |
||
783 |
high := self nextU4. |
|
784 |
low := self nextU4. |
|
785 |
||
786 |
value := (high bitShift:32) bitOr:low. |
|
60 | 787 |
(high bitTest:16r80000000) ifTrue:[ |
788 |
value := value - 16r10000000000000000. |
|
789 |
]. |
|
11 | 790 |
constNeeds2Slots := true. |
791 |
||
61 | 792 |
Verbose ifTrue:[Transcript show:'long; value= '; showCR:value]. |
11 | 793 |
^ value |
794 |
||
795 |
" |
|
796 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
797 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
798 |
" |
|
799 |
||
800 |
"Modified: 15.4.1996 / 15:42:16 / cg" |
|
801 |
"Created: 15.4.1996 / 16:34:42 / cg" |
|
802 |
! |
|
803 |
||
1 | 804 |
readConstant_Methodref |
805 |
|class_index name_and_type_index| |
|
806 |
||
807 |
class_index := self nextU2. |
|
808 |
name_and_type_index := self nextU2. |
|
809 |
||
61 | 810 |
Verbose ifTrue:[Transcript show:'methodref; classindex= '; showCR:class_index]. |
811 |
Verbose ifTrue:[Transcript show:'methodref; name&typeindex= '; showCR:name_and_type_index]. |
|
1 | 812 |
|
813 |
^ JavaUnresolvedMethodrefConstant |
|
814 |
classIndex:class_index |
|
815 |
nameandTypeIndex:name_and_type_index |
|
816 |
||
817 |
" |
|
818 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
819 |
" |
|
820 |
||
821 |
"Created: 15.4.1996 / 15:22:37 / cg" |
|
822 |
"Modified: 15.4.1996 / 16:07:19 / cg" |
|
823 |
! |
|
824 |
||
825 |
readConstant_NameandType |
|
826 |
|name_index signature_index| |
|
827 |
||
828 |
name_index := self nextU2. |
|
829 |
signature_index := self nextU2. |
|
830 |
||
61 | 831 |
Verbose ifTrue:[Transcript show:'methodref; nameindex= '; showCR:name_index]. |
832 |
Verbose ifTrue:[Transcript show:'methodref; signatureindex= '; showCR:signature_index]. |
|
1 | 833 |
|
834 |
^ JavaUnresolvedNameandTypeConstant |
|
835 |
nameIndex:name_index |
|
836 |
signatureIndex:signature_index |
|
837 |
||
838 |
" |
|
839 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
840 |
" |
|
841 |
||
842 |
"Created: 15.4.1996 / 15:23:43 / cg" |
|
843 |
"Modified: 15.4.1996 / 16:17:16 / cg" |
|
844 |
! |
|
845 |
||
846 |
readConstant_String |
|
847 |
|tag string_index| |
|
848 |
||
849 |
string_index := self nextU2. |
|
850 |
||
61 | 851 |
Verbose ifTrue:[Transcript show:'string; index= '; showCR:string_index]. |
1 | 852 |
|
853 |
^ JavaUnresolvedStringConstant index:string_index |
|
854 |
||
855 |
" |
|
43 | 856 |
Verbose := true. |
857 |
JavaClassReader readFile:'/phys/ibm3/java/lib/java/lang/System.class' |
|
1 | 858 |
" |
859 |
||
860 |
"Created: 15.4.1996 / 15:20:33 / cg" |
|
861 |
"Modified: 15.4.1996 / 16:01:37 / cg" |
|
5 | 862 |
! ! |
863 |
||
864 |
!JavaClassReader methodsFor:'file reading - fields'! |
|
865 |
||
866 |
readConstantValueAttributeFor:aField |
|
867 |
|attribute_length constantvalue_index constantValue| |
|
868 |
||
869 |
attribute_length := self nextU4. |
|
870 |
||
871 |
constantvalue_index := self nextU2. |
|
872 |
constantValue := constants at:constantvalue_index. |
|
873 |
||
59 | 874 |
aField constantValue:constantValue. |
875 |
||
61 | 876 |
Verbose ifTrue:[Transcript show:'constantValue: '; showCR:constantValue]. |
5 | 877 |
^ true |
878 |
||
879 |
" |
|
880 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
881 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
|
882 |
" |
|
883 |
||
884 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
885 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 886 |
! |
887 |
||
888 |
readFieldInfofield |
|
5 | 889 |
|access_flags name_index signature_index attributes_count field| |
1 | 890 |
|
891 |
access_flags := self nextU2. |
|
892 |
name_index := self nextU2. |
|
893 |
signature_index := self nextU2. |
|
5 | 894 |
|
895 |
field := JavaField new. |
|
896 |
field setAccessFlags:access_flags. |
|
897 |
field setName:(constants at:name_index). |
|
898 |
field setSignature:(constants at:signature_index). |
|
899 |
||
1 | 900 |
attributes_count := self nextU2. |
901 |
||
902 |
1 to:attributes_count do:[:i | |
|
5 | 903 |
self readAttributeFor:field. |
1 | 904 |
]. |
905 |
||
27 | 906 |
^ field |
907 |
||
1 | 908 |
" |
909 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
910 |
" |
|
911 |
||
912 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
913 |
"Created: 15.4.1996 / 15:38:43 / cg" |
|
914 |
! |
|
915 |
||
916 |
readFieldInfofields |
|
38 | 917 |
|nFields fields| |
1 | 918 |
|
919 |
"/ |
|
38 | 920 |
"/ get fieldInfos |
1 | 921 |
"/ |
27 | 922 |
nFields := self nextU2. |
61 | 923 |
Verbose ifTrue:[Transcript show:'fieldsCount = '; showCR:nFields]. |
1 | 924 |
|
27 | 925 |
fields := Array new:nFields. |
926 |
||
927 |
1 to:nFields do:[:i | |
|
61 | 928 |
Verbose ifTrue:[Transcript show:'field: '; showCR:i]. |
27 | 929 |
fields at:i put:(self readFieldInfofield) |
1 | 930 |
]. |
38 | 931 |
^ fields |
1 | 932 |
|
933 |
" |
|
934 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
935 |
" |
|
936 |
||
937 |
"Created: 15.4.1996 / 15:34:41 / cg" |
|
938 |
"Modified: 15.4.1996 / 15:35:28 / cg" |
|
5 | 939 |
! ! |
940 |
||
38 | 941 |
!JavaClassReader methodsFor:'file reading - interfaces'! |
942 |
||
943 |
readInterfaces |
|
944 |
|interfacesCount interface interfaces| |
|
945 |
||
946 |
"/ |
|
947 |
"/ get interfaces |
|
948 |
"/ |
|
949 |
interfacesCount := self nextU2. |
|
61 | 950 |
Verbose ifTrue:[Transcript show:'interfacesCount = '; showCR:interfacesCount]. |
38 | 951 |
|
952 |
interfaces := Array new:interfacesCount. |
|
953 |
||
954 |
1 to:interfacesCount do:[:i | |
|
61 | 955 |
Verbose ifTrue:[Transcript show:'interface: '; showCR:i]. |
38 | 956 |
interface = self nextU2. |
957 |
||
958 |
interfaces at:i put:interface. |
|
959 |
]. |
|
960 |
^ interfaces |
|
961 |
||
962 |
" |
|
963 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
964 |
" |
|
965 |
||
966 |
"Created: 15.4.1996 / 15:31:59 / cg" |
|
967 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
968 |
! ! |
|
969 |
||
5 | 970 |
!JavaClassReader methodsFor:'file reading - methods'! |
971 |
||
972 |
readCodeAttributeFor:aJavaMethod |
|
973 |
|attribute_length max_stack max_locals code_length code |
|
9 | 974 |
exception_table_length exception_table unknown1 unknown2| |
1 | 975 |
|
5 | 976 |
attribute_length := self nextU4. |
1 | 977 |
|
9 | 978 |
|
61 | 979 |
Verbose ifTrue:[Transcript show:'attribute_length: 0x'; showCR:(attribute_length printStringRadix:16)]. |
9 | 980 |
|
981 |
majorVsn > 2 ifTrue:[ |
|
39 | 982 |
unknown1 := self nextU1. |
983 |
max_stack := self nextU1. |
|
984 |
max_locals := self nextU2. |
|
9 | 985 |
unknown2 := self nextU2. |
61 | 986 |
Verbose ifTrue:[Transcript show:'?1: '; showCR:unknown1]. |
987 |
Verbose ifTrue:[Transcript show:'?2: '; showCR:unknown2]. |
|
39 | 988 |
] ifFalse:[ |
989 |
max_stack := self nextU1. |
|
990 |
max_locals := self nextU1. |
|
9 | 991 |
]. |
992 |
||
5 | 993 |
code_length := self nextU2. |
61 | 994 |
Verbose ifTrue:[Transcript show:'code_length: '; showCR:(code_length printStringRadix:16)]. |
995 |
Verbose ifTrue:[Transcript show:'code at pos: '; showCR:inStream position]. |
|
38 | 996 |
|
5 | 997 |
code := ByteArray new:code_length. |
998 |
inStream nextBytes:code_length into:code startingAt:1. |
|
1 | 999 |
|
61 | 1000 |
Verbose ifTrue:[Transcript show:'method code:'; showCR:code.]. |
9 | 1001 |
|
5 | 1002 |
exception_table_length := self nextU2. |
61 | 1003 |
Verbose ifTrue:[Transcript show:'exception_table_length: '; showCR:(exception_table_length printStringRadix:16)]. |
5 | 1004 |
exception_table_length ~~ 0 ifTrue:[ |
61 | 1005 |
Verbose ifTrue:[Transcript show:'exceptionTable length:'; showCR:exception_table_length.]. |
9 | 1006 |
|
5 | 1007 |
exception_table := Array new:exception_table_length. |
1008 |
1 to:exception_table_length do:[:i | |
|
1009 |
|start_pc end_pc handler_pc catch_type| |
|
1 | 1010 |
|
5 | 1011 |
start_pc := self nextU2. |
1012 |
end_pc := self nextU2. |
|
1013 |
handler_pc := self nextU2. |
|
1014 |
catch_type := self nextU2. |
|
1015 |
exception_table at:i put:(JavaExceptionTableEntry |
|
1016 |
startPC:start_pc |
|
1017 |
endPC:end_pc |
|
1018 |
handlerPC:handler_pc |
|
1019 |
catchType:catch_type). |
|
1020 |
]. |
|
29 | 1021 |
aJavaMethod setExceptionTable:exception_table. |
1 | 1022 |
]. |
1023 |
||
29 | 1024 |
aJavaMethod |
1025 |
setCode:code |
|
1026 |
maxStack:max_stack |
|
1027 |
maxLocals:max_locals |
|
1028 |
u1:unknown1 |
|
1029 |
u2:unknown2. |
|
5 | 1030 |
|
1031 |
self readAttributesFor:aJavaMethod. |
|
1032 |
^ true |
|
1033 |
||
1 | 1034 |
" |
1035 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
5 | 1036 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/Alignable.class' |
1 | 1037 |
" |
1038 |
||
1039 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
5 | 1040 |
"Created: 15.4.1996 / 15:40:17 / cg" |
1041 |
! |
|
1042 |
||
1043 |
readLineNumberTableAttributeFor:aJavaMethod |
|
1044 |
|attribute_length line_number_table_length line_number_table| |
|
1045 |
||
1046 |
attribute_length := self nextU4. |
|
1047 |
||
1048 |
line_number_table_length := self nextU2. |
|
1049 |
line_number_table_length ~~ 0 ifTrue:[ |
|
1050 |
line_number_table := Array new:line_number_table_length. |
|
1051 |
1 to:line_number_table_length do:[:i | |
|
1052 |
|start_pc line_number| |
|
1053 |
||
1054 |
start_pc := self nextU2. |
|
1055 |
line_number := self nextU2. |
|
1056 |
line_number_table at:i put:(start_pc -> line_number). |
|
1057 |
]. |
|
1058 |
]. |
|
1059 |
||
61 | 1060 |
Verbose ifTrue:[Transcript showCR:'method has a lineNumberTable']. |
9 | 1061 |
|
5 | 1062 |
aJavaMethod setLineNumberTable:line_number_table. |
1063 |
^ true |
|
1064 |
||
1065 |
" |
|
1066 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1067 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1068 |
" |
|
1069 |
||
1070 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1071 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1 | 1072 |
! |
1073 |
||
50 | 1074 |
readLocalVariableTableAttributeFor:aJavaMethod |
1075 |
|attribute_length local_variable_table_length local_variable_table| |
|
1076 |
||
1077 |
attribute_length := self nextU4. |
|
1078 |
||
1079 |
local_variable_table_length := self nextU2. |
|
1080 |
local_variable_table_length ~~ 0 ifTrue:[ |
|
1081 |
local_variable_table := Array new:local_variable_table_length. |
|
1082 |
1 to:local_variable_table_length do:[:i | |
|
1083 |
|start_pc length name_index sig_index slot name signature| |
|
1084 |
||
1085 |
start_pc := self nextU2. |
|
1086 |
length := self nextU2. |
|
1087 |
name_index := self nextU2. |
|
1088 |
name := nil. |
|
1089 |
sig_index := self nextU2. |
|
1090 |
signature := nil. |
|
1091 |
slot := self nextU2. |
|
1092 |
||
1093 |
local_variable_table at:i put:(JavaLocalVariableTableEntry new |
|
1094 |
startPC:start_pc |
|
1095 |
length:length |
|
1096 |
name:name |
|
1097 |
signature:signature |
|
1098 |
slot:slot) |
|
1099 |
]. |
|
1100 |
]. |
|
1101 |
||
61 | 1102 |
Verbose ifTrue:[Transcript showCR:'method has a localvariableTable']. |
50 | 1103 |
|
1104 |
aJavaMethod setLocalVariableTable:local_variable_table. |
|
1105 |
^ true |
|
1106 |
||
1107 |
" |
|
1108 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1109 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/java/lang/Boolean.class' |
|
1110 |
" |
|
1111 |
||
1112 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1113 |
"Created: 15.4.1996 / 15:40:17 / cg" |
|
1114 |
! |
|
1115 |
||
38 | 1116 |
readMethodFor:aJavaClass |
9 | 1117 |
|m access_flags name_index name signature_index signature| |
1 | 1118 |
|
1119 |
"/ |
|
1120 |
"/ get a method |
|
1121 |
"/ |
|
1122 |
access_flags := self nextU2. |
|
1123 |
name_index := self nextU2. |
|
1124 |
signature_index := self nextU2. |
|
1125 |
||
5 | 1126 |
name := constants at:name_index. |
1127 |
signature := constants at:signature_index. |
|
9 | 1128 |
|
61 | 1129 |
Verbose ifTrue:[Transcript show:'method name:'; showCR:name. |
1130 |
Transcript show:'signature:'; showCR:signature.]. |
|
9 | 1131 |
|
5 | 1132 |
m := JavaMethod new. |
1133 |
m setAccessFlags:access_flags. |
|
1134 |
m setSignature:signature. |
|
1135 |
m setName:name. |
|
38 | 1136 |
m setJavaClass:aJavaClass. |
5 | 1137 |
|
1138 |
self readAttributesFor:m. |
|
1139 |
||
38 | 1140 |
aJavaClass addMethod:m name:name signature:signature. |
1 | 1141 |
|
1142 |
" |
|
1143 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1144 |
" |
|
1145 |
||
1146 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1147 |
"Created: 15.4.1996 / 16:48:49 / cg" |
|
1148 |
! |
|
1149 |
||
38 | 1150 |
readMethodsFor:aJavaClass |
1 | 1151 |
|methodsCount method| |
1152 |
||
1153 |
||
1154 |
"/ |
|
1155 |
"/ get methods |
|
1156 |
"/ |
|
1157 |
methodsCount := self nextU2. |
|
61 | 1158 |
Verbose ifTrue:[Transcript show:'methodsCount = '; showCR:methodsCount]. |
1 | 1159 |
|
1160 |
1 to:methodsCount do:[:i | |
|
61 | 1161 |
Verbose ifTrue:[Transcript show:'method: '; showCR:i]. |
38 | 1162 |
method := self readMethodFor:aJavaClass |
1 | 1163 |
]. |
1164 |
||
1165 |
" |
|
1166 |
JavaClassReader readFile:'/phys/ibm3/hotjava/classes/browser/AddButton.class' |
|
1167 |
" |
|
1168 |
||
1169 |
"Modified: 15.4.1996 / 15:33:28 / cg" |
|
1170 |
"Created: 15.4.1996 / 16:46:30 / cg" |
|
1171 |
! ! |
|
1172 |
||
1173 |
!JavaClassReader methodsFor:'low level reading'! |
|
1174 |
||
60 | 1175 |
nextS4 |
1176 |
^ inStream nextLongMSB:msb |
|
1177 |
||
1178 |
"Created: 15.4.1996 / 15:04:28 / cg" |
|
1179 |
! |
|
1180 |
||
1 | 1181 |
nextU1 |
1182 |
^ inStream nextByte |
|
1183 |
||
1184 |
"Created: 15.4.1996 / 15:15:43 / cg" |
|
1185 |
! |
|
1186 |
||
1187 |
nextU2 |
|
1188 |
^ inStream nextUnsignedShortMSB:msb |
|
1189 |
||
1190 |
"Created: 15.4.1996 / 15:12:25 / cg" |
|
1191 |
! |
|
1192 |
||
1193 |
nextU4 |
|
1194 |
^ inStream nextUnsignedLongMSB:msb |
|
1195 |
||
1196 |
"Created: 15.4.1996 / 15:04:28 / cg" |
|
1197 |
! ! |
|
1198 |
||
62 | 1199 |
!JavaClassReader class methodsFor:'documentation'! |
1 | 1200 |
|
1201 |
version |
|
73 | 1202 |
^ '$Header: /home/jv/Projects/SmalltalkX/repositories/cvs/stx/libjava/JavaClassReader.st,v 1.26 1996/06/26 08:39:43 cg Exp $' |
1 | 1203 |
! ! |
1204 |
JavaClassReader initialize! |