Package soot

Examples of soot.SootField

122
123
124
125
126
127
128
129
130
131
132
133
134
135
                    + "." + entity.getName();
            SootClass entityClass = Scene.v().loadClassAndSupport(className);

            for (Iterator fields = entityClass.getFields().iterator(); fields
                    .hasNext();) {
                SootField field = (SootField) fields.next();

                // FIXME: static fields too.
                if (Modifier.isStatic(field.getModifiers())) {
                    continue;
                }

                boolean finalize = true;
                Value fieldValue = null;
View Full Code Here
340
341
342
343
344
345
346
347
348
349
350
351
                // the value we are casting from.  Note that we assume
                // the type is acceptable.
                return getTokenValue((Local) ((CastExpr) value).getOp(), stmt,
                        localDefs, tokenAnalysis);
            } else if (value instanceof FieldRef) {
                SootField field = ((FieldRef) value).getField();
                ValueTag tag = (ValueTag) field.getTag("_CGValue");

                if (tag == null) {
                    return null;
                } else {
                    return (Token) tag.getObject();
View Full Code Here
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
                TypedIOPort port = (TypedIOPort) (inputPorts.next());
                String name = port.getName(entity);
                Type type = PtolemyUtilities.tokenType;
                nameToType.put(name, port.getType());

                SootField field = new SootField(StringUtilities
                        .sanitizeName(name)
                        + "Token", type);
                entityInstanceClass.addField(field);
                nameToField.put(name, field);
            }
        }
        // Populate the fire method.
        {
            SootMethod fireMethod = new SootMethod("fire",
                    Collections.EMPTY_LIST, VoidType.v(), Modifier.PUBLIC);
            entityInstanceClass.addMethod(fireMethod);

            JimpleBody body = Jimple.v().newBody(fireMethod);
            fireMethod.setActiveBody(body);
            body.insertIdentityStmts();

            Chain units = body.getUnits();
            Local thisLocal = body.getThisLocal();

            Local hasTokenLocal = Jimple.v().newLocal("hasTokenLocal",
                    BooleanType.v());
            body.getLocals().add(hasTokenLocal);

            Local tokenLocal = Jimple.v().newLocal("tokenLocal",
                    PtolemyUtilities.tokenType);
            body.getLocals().add(tokenLocal);

            Iterator inputPorts = entity.inputPortList().iterator();

            while (inputPorts.hasNext()) {
                TypedIOPort port = (TypedIOPort) (inputPorts.next());

                // FIXME: Handle multiports
                if (port.getWidth() > 0) {
                    String name = port.getName(entity);

                    // Create an if statement.
                    //
                    Local portLocal = Jimple.v().newLocal("port",
                            PtolemyUtilities.componentPortType);
                    body.getLocals().add(portLocal);

                    SootField portField = entityInstanceClass
                            .getFieldByName(StringUtilities.sanitizeName(name));
                    units.add(Jimple.v().newAssignStmt(
                            portLocal,
                            Jimple.v().newInstanceFieldRef(thisLocal,
                                    portField.makeRef())));
                    units.add(Jimple.v().newAssignStmt(
                            hasTokenLocal,
                            Jimple.v().newVirtualInvokeExpr(portLocal,
                                    PtolemyUtilities.hasTokenMethod.makeRef(),
                                    IntConstant.v(0))));

                    Stmt target = Jimple.v().newNopStmt();
                    units.add(Jimple.v().newIfStmt(
                            Jimple.v().newEqExpr(hasTokenLocal,
                                    IntConstant.v(0)), target));
                    units.add(Jimple.v().newAssignStmt(
                            tokenLocal,
                            Jimple.v().newVirtualInvokeExpr(portLocal,
                                    PtolemyUtilities.getMethod.makeRef(),
                                    IntConstant.v(0))));

                    SootField tokenField = entityInstanceClass
                            .getFieldByName(name + "Token");
                    units.add(Jimple.v().newAssignStmt(
                            Jimple.v().newInstanceFieldRef(thisLocal,
                                    tokenField.makeRef()), tokenLocal));
                    units.add(target);
                }
            }

            StringAttribute expressionAttribute = (StringAttribute) entity
                    .getAttribute("expression");
            String expression = expressionAttribute.getExpression();

            Local local = DataUtilities.generateExpressionCode(entity,
                    entityInstanceClass, expression, nameToField, nameToType,
                    body);

            // send the computed token
            String name = "output";
            Local portLocal = Jimple.v().newLocal("port",
                    PtolemyUtilities.componentPortType);
            body.getLocals().add(portLocal);

            SootField portField = entityInstanceClass.getFieldByName(name);

            units.add(Jimple.v().newAssignStmt(
                    portLocal,
                    Jimple.v().newInstanceFieldRef(thisLocal,
                            portField.makeRef())));
            units.add(Jimple.v().newInvokeStmt(
                    Jimple.v().newVirtualInvokeExpr(portLocal,
                            PtolemyUtilities.sendMethod.makeRef(),
                            IntConstant.v(0), local)));
View Full Code Here
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
                            if (value instanceof Local) {
                                _update(local, (Local) value);
                            }
                        } else if (rightValue instanceof FieldRef) {
                            SootField field = ((FieldRef) rightValue)
                                    .getField();
                            _set(local, _getFieldObject(field));
                        }
                    } else if (stmt.getLeftOp() instanceof FieldRef) {
                        if (rightValue instanceof Local) {
                            SootField field = ((FieldRef) stmt.getLeftOp())
                                    .getField();
                            _set((Local) rightValue, _getFieldObject(field));
                        }
                    } else {
                        // Ignore..  probably not a named obj anyway.
View Full Code Here
225
226
227
228
229
230
231
232
233
234
235
236
237
                            .getMethodByName("attributeChanged");
                    newClass.removeMethod(method);
                }

                if (newClass.declaresFieldByName("_port")) {
                    SootField field = newClass.getFieldByName("_port");
                    Port port = ((PortParameter) attribute).getPort();
                    field.addTag(new ValueTag(port));
                }

                // Add a container field to the generated class.
                // FIXME: this doesn't work for UnitSystems, e.g.,
                // since their container isn't associated with a class.
View Full Code Here
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
        // FIXME: deal with inner classes.
        // Find the field for the object and change it.
        Iterator fields = theClass.getFields().snapshotIterator();

        while (fields.hasNext()) {
            SootField oldField = (SootField) fields.next();

            // Check that the field has a ValueTag that points to object.
            NamedObj fieldObject = (NamedObj) ValueTag.getFieldObject(oldField);

            if (fieldObject != object) {
                continue;
            }

            // Check that the field has the right type.
            Type type = oldField.getType();

            if (type instanceof RefType) {
                SootClass refClass = ((RefType) type).getSootClass();

                if (refClass == oldClass) {
                    String oldFieldSignature = oldField.getSignature();

                    oldField.setType(RefType.v(newClass));

                    // we have to do this seemingly useless
                    // thing, since the scene caches a pointer
                    // to the field based on it's parameter types.
                    theClass.removeField(oldField);
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
                        ValueBox box = unit.getFieldRefBox();
                        Value value = box.getValue();

                        if (value instanceof InstanceFieldRef) {
                            InstanceFieldRef fieldRef = (InstanceFieldRef) value;
                            SootField field = fieldRef.getField();

                            // Turn off debugging..
                            if (field.getSubSignature().equals(
                                    PtolemyUtilities.debuggingField
                                            .getSubSignature())) {
                                if (unit instanceof AssignStmt) {
                                    body.getUnits().insertBefore(
                                            Jimple.v().newAssignStmt(
                                                    ((AssignStmt) unit)
                                                            .getLeftOp(),
                                                    IntConstant.v(0)), unit);
                                }

                                body.getUnits().remove(unit);
                            } else if (field.getSubSignature().equals(
                                    PtolemyUtilities.stopRequestedField
                                            .getSubSignature())) {
                                // Assume stops are not requested..
                                if (unit instanceof AssignStmt
                                        && (box == ((AssignStmt) unit)
                                                .getLeftOpBox())) {
                                    body.getUnits().remove(unit);
                                } else {
                                    box.setValue(IntConstant.v(0));
                                }
                            }
                        }
                    } else if (unit.containsInvokeExpr()) {
                        ValueBox box = unit.getInvokeExprBox();
                        Value value = box.getValue();

                        if ((value instanceof InvokeExpr)
                                && !(value instanceof SpecialInvokeExpr)) {
                            // remove attachText
                            InvokeExpr expr = (InvokeExpr) value;

                            if (expr.getMethod().getSubSignature().equals(
                                    PtolemyUtilities.attachTextMethod
                                            .getSubSignature())) {
                                body.getUnits().remove(unit);
                            } else if (expr.getMethod().getSubSignature()
                                    .equals(
                                            PtolemyUtilities.setNameMethod
                                                    .getSubSignature())) {
                                body.getUnits().remove(unit);
                            } else if (expr.getMethod().getName().equals(
                                    "_debug")) {
                                body.getUnits().remove(unit);
                                //                             } else if (expr.getMethod().getName().equals(
                                //                                     "initialize")) {
                                //                                 // Assume no Initializables
                                //                                 body.getUnits().remove(unit);
                                //                             } else if (expr.getMethod().getName().equals(
                                //                                     "preinitialize")) {
                                //                                 // Assume no Initializables
                                //                                 body.getUnits().remove(unit);
                                //                             } else if (expr.getMethod().getName().equals(
                                //                                     "wrapup")) {
                                //                                 // Assume no Initializables
                                //                                 body.getUnits().remove(unit);
                            }

                            // Inline namedObj methods on the
                            // attribute.
                            // FIXME: This should do the
                            // whole traceback business to ensure that
                            // we are calling the methods on the
                            // toplevel object.  This assumes we've
                            // already removed other namedobj methods
                            // on the object objects already.  See
                            // InlineParameterTransformer and
                            // InlinePortTransformer
                            if (expr.getMethod().getSubSignature().equals(
                                    PtolemyUtilities.getFullNameMethod
                                            .getSubSignature())) {
                                if (unit instanceof AssignStmt) {
                                    body.getUnits().insertBefore(
                                            Jimple.v().newAssignStmt(
                                                    ((AssignStmt) unit)
                                                            .getLeftOp(),
                                                    StringConstant.v(_model
                                                            .getFullName())),
                                            unit);
                                }

                                body.getUnits().remove(unit);
                            } else if (expr.getMethod().getSubSignature()
                                    .equals(
                                            PtolemyUtilities.getNameMethod
                                                    .getSubSignature())) {
                                if (unit instanceof AssignStmt) {
                                    body.getUnits().insertBefore(
                                            Jimple.v().newAssignStmt(
                                                    ((AssignStmt) unit)
                                                            .getLeftOp(),
                                                    StringConstant.v(_model
                                                            .getName())), unit);
                                }

                                body.getUnits().remove(unit);
                            } else if (expr.getMethod().getSubSignature()
                                    .equals(
                                            PtolemyUtilities.findEffigyMethod
                                                    .getSubSignature())) {
                                if (unit instanceof AssignStmt) {
                                    body.getUnits().insertBefore(
                                            Jimple.v().newAssignStmt(
                                                    ((AssignStmt) unit)
                                                            .getLeftOp(),
                                                    NullConstant.v()), unit);
                                }

                                body.getUnits().remove(unit);
                            } else if (expr.getMethod().getSubSignature()
                                    .equals(
                                            PtolemyUtilities.getModelURIMethod
                                                    .getSubSignature())) {
                                if (unit instanceof AssignStmt) {
                                    SootClass uriClass = Scene
                                            .v()
                                            .loadClassAndSupport("java.net.URI");
                                    RefType type = RefType.v(uriClass);
                                    SootMethod initMethod = uriClass
                                            .getMethod("void <init>(java.lang.String)");
                                    Local local = (Local) ((AssignStmt) unit)
                                            .getLeftOp();
                                    String uriString = URIAttribute
                                            .getModelURI(_model).toString();
                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    local,
                                                                    Jimple
                                                                            .v()
                                                                            .newNewExpr(
                                                                                    type)),
                                                    unit);
                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newInvokeStmt(
                                                                    Jimple
                                                                            .v()
                                                                            .newSpecialInvokeExpr(
                                                                                    local,
                                                                                    initMethod
                                                                                            .makeRef(),
                                                                                    StringConstant
                                                                                            .v(uriString))),
                                                    unit);
                                }

                                body.getUnits().remove(unit);
                            } else if (expr
                                    .getMethod()
                                    .getSubSignature()
                                    .equals(
                                            PtolemyUtilities.handleModelErrorMethod
                                                    .getSubSignature())) {
                                // Replace handleModelError with a throw clause.
                                body.getUnits()
                                        .insertBefore(
                                                Jimple.v().newThrowStmt(
                                                        expr.getArg(1)), unit);
                                body.getUnits().remove(unit);
                            }
                        }
                    }
                }
            }
        }

        List modifiedConstructorClassList = new LinkedList();

        // Loop over all the classes
        for (Iterator i = Scene.v().getApplicationClasses().iterator(); i
                .hasNext();) {
            SootClass theClass = (SootClass) i.next();

            if (SootUtilities
                    .derivesFrom(theClass, PtolemyUtilities.actorClass)
                    || SootUtilities.derivesFrom(theClass,
                            PtolemyUtilities.compositeActorClass)
                    || SootUtilities.derivesFrom(theClass,
                            PtolemyUtilities.attributeClass)) {
                System.out.println("changing superclass for " + theClass);
                theClass.setSuperclass(PtolemyUtilities.objectClass);

                // Fix the constructor for the actor to take just a
                // container argument, if it was a 2 arg constructor,
                // or no arguments otherwise.  FIXME: Here we assume
                // that there is just one constructor.. This will
                // throw an exception if there is more than one, in
                // which case we need to improve this code.
                SootMethod method = null;

                try {
                    method = theClass.getMethodByName("<init>");
                } catch (RuntimeException ex) {
                    System.out.println("Could not get method <init> by name "
                            + "from class " + theClass);
                    System.out.println("Methods = " + theClass.getMethods());
                    throw ex;
                }

                if (method.getParameterCount() == 2) {
                    // Change the constructor so that it only takes the container.
                    SootField containerField = theClass
                            .getFieldByName(ModelTransformer
                                    .getContainerFieldName());
                    RefType containerType = (RefType) containerField.getType();
                    List typeList = new LinkedList();
                    typeList.add(containerType);
                    method.setParameterTypes(typeList);
                } else {
                    method.setParameterTypes(Collections.EMPTY_LIST);
                }

                // Keep track of the modification, so we know to
                // modify invocations of that constructor.
                modifiedConstructorClassList.add(theClass);

                // Dance so that indexes in the Scene are properly updated.
                theClass.removeMethod(method);
                theClass.addMethod(method);

                System.out.println("method = " + method);
                JimpleBody body = (JimpleBody) method.retrieveActiveBody();

                for (Iterator units = body.getUnits().snapshotIterator(); units
                        .hasNext();) {
                    Stmt unit = (Stmt) units.next();

                    if (unit.containsInvokeExpr()) {
                        ValueBox box = unit.getInvokeExprBox();
                        Value value = box.getValue();

                        if (value instanceof SpecialInvokeExpr) {
                            // Fix super.<init> calls. constructor...
                            SpecialInvokeExpr expr = (SpecialInvokeExpr) value;

                            if (expr.getBase().equals(body.getThisLocal())
                                    && expr.getMethodRef().name().equals(
                                            "<init>")) {
                                //             System.out.println("replacing constructor = "
                                //       + unit + " in method " + method);
                                // Replace with zero arg object constructor.
                                box.setValue(Jimple.v().newSpecialInvokeExpr(
                                        (Local) expr.getBase(),
                                        PtolemyUtilities.objectConstructor
                                                .makeRef(),
                                        Collections.EMPTY_LIST));
                            }
                        }
                    } else if (unit instanceof IdentityStmt) {
                        IdentityStmt identityStmt = (IdentityStmt) unit;
                        Value value = identityStmt.getRightOp();

                        if (value instanceof ParameterRef) {
                            ParameterRef parameterRef = (ParameterRef) value;

                            if ((parameterRef.getIndex() == 0)
                                    && (method.getParameterCount() == 1)) {
                                //       System.out.println("found = " + identityStmt);
                                ValueBox box = identityStmt.getRightOpBox();
                                box.setValue(Jimple.v().newParameterRef(
                                        method.getParameterType(0), 0));

                                //    System.out.println("changed to: " + identityStmt);
                            } else {
                                // Parameter values are null.  Note that
                                // we need to make sure that the
                                // assignment to null happens after all
                                // the identity statements, otherwise the
                                // super constructor will be implicitly
                                // called.
                                body.getUnits().remove(identityStmt);
                                body.getUnits().insertBefore(
                                        Jimple.v().newAssignStmt(
                                                identityStmt.getLeftOp(),
                                                NullConstant.v()),
                                        body.getFirstNonIdentityStmt());
                            }
                        } //  else if (value instanceof ThisRef) {

                        //                             // Fix the type of thisRefs.
                        //                             ValueBox box = identityStmt.getRightOpBox();
                        //                             box.setValue(
                        //                                     Jimple.v().newThisRef(
                        //                                             RefType.v(PtolemyUtilities.objectClass)));
                        //                         }
                    }
                }
            }
        }

        // Reset the hierarchy, since we've changed superclasses and such.
        Scene.v().setActiveHierarchy(new Hierarchy());
        Scene.v().setFastHierarchy(new FastHierarchy());

        // Fix the specialInvokes.
        for (Iterator i = Scene.v().getApplicationClasses().iterator(); i
                .hasNext();) {
            SootClass theClass = (SootClass) i.next();

            // Loop through all the methods in the class.
            for (Iterator methods = theClass.getMethods().iterator(); methods
                    .hasNext();) {
                SootMethod method = (SootMethod) methods.next();

                // System.out.println("method = " + method);
                JimpleBody body = (JimpleBody) method.retrieveActiveBody();

                for (Iterator units = body.getUnits().snapshotIterator(); units
                        .hasNext();) {
                    Stmt unit = (Stmt) units.next();

                    if (unit.containsInvokeExpr()) {
                        ValueBox box = unit.getInvokeExprBox();
                        Value value = box.getValue();

                        if (value instanceof SpecialInvokeExpr) {
                            // If we're constructing one of our actor classes,
                            // then switch to the modified constructor.
                            SpecialInvokeExpr expr = (SpecialInvokeExpr) value;
                            SootClass declaringClass = expr.getMethodRef()
                                    .declaringClass();

                            if (expr.getMethodRef().name().equals("<init>")
                                    && modifiedConstructorClassList
                                            .contains(declaringClass)) {
                                System.out
                                        .println("replacing constructor invocation = "
                                                + unit + " in method " + method);
                                SootMethod newConstructor = declaringClass
                                        .getMethodByName("<init>");

                                if (newConstructor.getParameterCount() == 1) {
                                    // Replace with just container arg constructor.
                                    List args = new LinkedList();
                                    args.add(expr.getArg(0));
                                    box.setValue(Jimple.v()
                                            .newSpecialInvokeExpr(
                                                    (Local) expr.getBase(),
                                                    newConstructor.makeRef(),
                                                    args));
                                } else {
                                    // Replace with zero arg constructor.
                                    box.setValue(Jimple.v()
                                            .newSpecialInvokeExpr(
                                                    (Local) expr.getBase(),
                                                    newConstructor.makeRef(),
                                                    Collections.EMPTY_LIST));
                                }
                            }
                        }
                    }
                }
            }
        }

        for (Iterator i = Scene.v().getApplicationClasses().iterator(); i
                .hasNext();) {
            SootClass theClass = (SootClass) i.next();

            // Loop through all the methods in the class.
            for (Iterator methods = theClass.getMethods().iterator(); methods
                    .hasNext();) {
                SootMethod method = (SootMethod) methods.next();

                // System.out.println("method = " + method);
                JimpleBody body = (JimpleBody) method.retrieveActiveBody();

                // Infer types.
                LocalSplitter.v().transform(body, "nee.ls");
                TypeAssigner.v().transform(body, "nee.ta");
            }
        }

        for (Iterator i = Scene.v().getApplicationClasses().iterator(); i
                .hasNext();) {
            SootClass theClass = (SootClass) i.next();

            // Loop through all the methods in the class.
            for (Iterator methods = theClass.getMethods().iterator(); methods
                    .hasNext();) {
                SootMethod method = (SootMethod) methods.next();

                // System.out.println("method = " + method);
                JimpleBody body = (JimpleBody) method.retrieveActiveBody();
                for (Iterator units = body.getUnits().snapshotIterator(); units
                        .hasNext();) {
                    Stmt unit = (Stmt) units.next();

                    //        System.out.println("unit = " + unit);
                    // If any box is removable, then remove the statement.
                    for (Iterator boxes = unit.getUseAndDefBoxes().iterator(); boxes
                            .hasNext();) {
                        ValueBox box = (ValueBox) boxes.next();

                        Value value = box.getValue();
                        Type type = value.getType();

                        if (_isRemovableType(type)) {
                            //  System.out.println("Unit with removable type "
                            //        + type + ": " + unit);
                            body.getUnits().remove(unit);
                            break;
                        }
                    }

                    // If any locals are removable, then remove them.
                    for (Iterator locals = body.getLocals().snapshotIterator(); locals
                            .hasNext();) {
                        Local local = (Local) locals.next();
                        Type type = local.getType();

                        if (_isRemovableType(type)) {
                            body.getLocals().remove(local);
                        }
                    }
                }

                // If any fields are removable, then remove them.
                for (Iterator fields = theClass.getFields().snapshotIterator(); fields
                        .hasNext();) {
                    SootField field = (SootField) fields.next();
                    Type type = field.getType();

                    if (_isRemovableType(type)) {
                        theClass.getFields().remove(field);
                    }
                }
View Full Code Here
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
        TypeSpecializerAnalysis typeAnalysis = new TypeSpecializerAnalysis(
                entityClass, unsafeLocalSet);

        for (Iterator fields = entityClass.getFields().snapshotIterator(); fields
                .hasNext();) {
            SootField field = (SootField) fields.next();
            Type fieldType = typeAnalysis.getSpecializedSootType(field);

            // If the type is not a token, then skip it.
            if (!PtolemyUtilities.isConcreteTokenType(fieldType)) {
                if (debug) {
                    System.out.println("Skipping field " + field
                            + ": Is not a Token");
                }

                continue;
            }

            ptolemy.data.type.Type fieldTokenType = typeAnalysis
                    .getSpecializedType(field);

            if (debug) {
                System.out.println("Specialized type = " + fieldTokenType);
            }

            // Ignore fields that aren't of the right depth.
            if (PtolemyUtilities.getTypeDepth(fieldTokenType) != depth) {
                if (debug) {
                    System.out.println("Skipping field " + field
                            + ": Wrong depth");
                }

                continue;
            }

            // If the type is not instantiable, then skip it.
            // Hack: should this be an exception?
            //     if (!fieldTokenType.isInstantiable()) {
            //                 if (debug) System.out.println("Skipping field " + field + ": Not instantiable");
            //                 continue;
            //             }
            // If we've already created subfields for this
            // field, then don't do it again.
            if (entityFieldToTokenFieldToReplacementField.get(field) != null) {
                if (debug) {
                    System.out.println("Skipping field " + field
                            + ": already done");
                }

                continue;
            }

            RefType type = (RefType) PtolemyUtilities
                    .getBaseTokenType(fieldType);
            SootClass fieldClass = type.getSootClass();

            if (!SootUtilities.derivesFrom(fieldClass,
                    PtolemyUtilities.tokenClass)) {
                if (debug) {
                    System.out.println("Skipping field " + field
                            + ": Not a token class");
                }

                continue;
            }

            if (debug) {
                System.out.println("Creating replacement fields for field = "
                        + field);
            }

            // Create a boolean value that tells us whether or
            // not the token is null.  Initialize it to true.
            // FIXME: what about the elements of arrays?
            Type isNotNullType = SootUtilities.createIsomorphicType(field
                    .getType(), BooleanType.v());

            SootField isNotNullField = new SootField("_CG_" + field.getName()
                    + "_isNotNull", isNotNullType, field.getModifiers());
            entityClass.addField(isNotNullField);
            entityFieldToIsNotNullField.put(field, isNotNullField);

            // FIXME: initialize properly.
            //             body.getUnits().insertBefore(
            //                     Jimple.v().newAssignStmt(
            //                             isNotNullLocal,
            //                             IntConstant.v(1)),
            //                     body.getFirstNonIdentityStmt());
            // Hack to force the element type of an array.
            ptolemy.data.type.Type elementType = null;

            if (fieldTokenType instanceof ptolemy.data.type.ArrayType) {
                elementType = ((ptolemy.data.type.ArrayType) fieldTokenType)
                        .getElementType();
            }

            Map tokenFieldToReplacementField = new HashMap();
            entityFieldToTokenFieldToReplacementField.put(field,
                    tokenFieldToReplacementField);

            for (Iterator tokenFields = _getTokenClassFields(fieldClass)
                    .iterator(); tokenFields.hasNext();) {
                SootField tokenField = (SootField) tokenFields.next();

                // We need a type that is the same shape as
                // the field, with the same type as the field
                // in the token.  This is complicated by the
                // fact that both may be arraytypes.
                Type replacementType = SootUtilities.createIsomorphicType(field
                        .getType(), tokenField.getType());
                SootField replacementField = new SootField("_CG_"
                        + field.getName() + tokenField.getName(),
                        replacementType, field.getModifiers());
                tokenFieldToReplacementField.put(tokenField, replacementField);
                entityClass.addField(replacementField);

                // Hack for type of array type.
                if ((elementType != null)
                        && tokenField.getName().equals("_value")) {
                    //       System.err.println("replacmentField = " + replacementField);
                    replacementField.addTag(new TypeTag(elementType));
                }
            }
        }
    }
View Full Code Here
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
                Map tokenFieldToReplacementLocal = new HashMap();
                localToFieldToLocal.put(local, tokenFieldToReplacementLocal);

                for (Iterator tokenFields = _getTokenClassFields(localClass)
                        .iterator(); tokenFields.hasNext();) {
                    SootField tokenField = (SootField) tokenFields.next();

                    if (debug) {
                        System.out.println("tokenField = " + tokenField);
                    }

                    Type replacementType = SootUtilities.createIsomorphicType(
                            localType, tokenField.getType());
                    Local replacementLocal = Jimple.v().newLocal(
                            local.getName() + "_" + tokenField.getName(),
                            replacementType);
                    body.getLocals().add(replacementLocal);
                    tokenFieldToReplacementLocal.put(tokenField,
                            replacementLocal);
                }
            }

            // Go back again and replace references to fields
            // in the token with references to local
            // variables.
            for (Iterator units = body.getUnits().snapshotIterator(); units
                    .hasNext();) {
                Unit unit = (Unit) units.next();

                if (debug) {
                    System.out.println("ttn2 unit = " + unit);
                }

                if (unit instanceof InvokeStmt) {
                    // Handle java.lang.arraycopy
                    InvokeExpr r = (InvokeExpr) ((InvokeStmt) unit)
                            .getInvokeExpr();

                    if (r.getMethod().equals(PtolemyUtilities.arraycopyMethod)) {
                        if (debug) {
                            System.out.println("handling as array copy");
                        }

                        Local toLocal = (Local) r.getArg(0);
                        Local fromLocal = (Local) r.getArg(2);
                        Map toFieldToReplacementLocal = (Map) localToFieldToLocal
                                .get(toLocal);
                        Map fromFieldToReplacementLocal = (Map) localToFieldToLocal
                                .get(fromLocal);

                        if ((toFieldToReplacementLocal != null)
                                && (fromFieldToReplacementLocal != null)) {
                            if (debug) {
                                System.out
                                        .println("toFieldToReplacementLocal = "
                                                + toFieldToReplacementLocal);
                            }

                            if (debug) {
                                System.out
                                        .println("fromFieldToReplacementLocal = "
                                                + fromFieldToReplacementLocal);
                            }

                            {
                                List argumentList = new LinkedList();
                                argumentList.add((Local) localToIsNotNullLocal
                                        .get(toLocal));
                                argumentList.add(r.getArg(1));
                                argumentList.add((Local) localToIsNotNullLocal
                                        .get(fromLocal));
                                argumentList.add(r.getArg(3));
                                argumentList.add(r.getArg(4));

                                body
                                        .getUnits()
                                        .insertBefore(
                                                Jimple
                                                        .v()
                                                        .newInvokeStmt(
                                                                Jimple
                                                                        .v()
                                                                        .newStaticInvokeExpr(
                                                                                PtolemyUtilities.arraycopyMethod
                                                                                        .makeRef(),
                                                                                argumentList)),
                                                unit);
                            }

                            for (Iterator tokenFields = toFieldToReplacementLocal
                                    .keySet().iterator(); tokenFields.hasNext();) {
                                SootField tokenField = (SootField) tokenFields
                                        .next();

                                Local toReplacementLocal = (Local) toFieldToReplacementLocal
                                        .get(tokenField);
                                Local fromReplacementLocal = (Local) fromFieldToReplacementLocal
                                        .get(tokenField);
                                List argumentList = new LinkedList();
                                argumentList.add(toReplacementLocal);
                                argumentList.add(r.getArg(1));
                                argumentList.add(fromReplacementLocal);
                                argumentList.add(r.getArg(3));
                                argumentList.add(r.getArg(4));

                                body
                                        .getUnits()
                                        .insertBefore(
                                                Jimple
                                                        .v()
                                                        .newInvokeStmt(
                                                                Jimple
                                                                        .v()
                                                                        .newStaticInvokeExpr(
                                                                                PtolemyUtilities.arraycopyMethod
                                                                                        .makeRef(),
                                                                                argumentList)),
                                                unit);
                            }

                            body.getUnits().remove(unit);
                            doneSomething = true;
                        }
                    }
                } else if (unit instanceof AssignStmt) {
                    AssignStmt stmt = (AssignStmt) unit;
                    /*Type assignmentType =*/stmt.getLeftOp().getType();

                    if (stmt.getLeftOp() instanceof Local
                            && stmt.getRightOp() instanceof LengthExpr) {
                        if (debug) {
                            System.out.println("handling as length expr");
                        }

                        LengthExpr lengthExpr = (LengthExpr) stmt.getRightOp();
                        Local baseLocal = (Local) lengthExpr.getOp();

                        if (debug) {
                            System.out.println("operating on " + baseLocal);
                        }

                        Map fieldToReplacementArrayLocal = (Map) localToFieldToLocal
                                .get(baseLocal);

                        if (fieldToReplacementArrayLocal != null) {
                            doneSomething = true;

                            // Get the length of a random one of the replacement fields.
                            List replacementList = new ArrayList(
                                    fieldToReplacementArrayLocal.keySet());
                            Collections.sort(replacementList, new Comparator() {
                                public int compare(Object o1, Object o2) {
                                    SootField f1 = (SootField) o1;
                                    SootField f2 = (SootField) o2;
                                    return f1.getName().compareTo(f2.getName());
                                }
                            });

                            SootField field = (SootField) replacementList
                                    .get(replacementList.size() - 1);

                            if (debug) {
                                System.out.println("replace with  "
                                        + fieldToReplacementArrayLocal
                                                .get(field));
                            }

                            lengthExpr
                                    .setOp((Local) fieldToReplacementArrayLocal
                                            .get(field));

                            if (debug) {
                                System.out.println("unit now = " + unit);
                            }

                            //    body.getUnits().remove(unit);
                        }
                    } else if (stmt.getLeftOp() instanceof InstanceFieldRef) {
                        // Replace references to fields of tokens.
                        // FIXME: assign to all aliases as well.
                        if (debug) {
                            System.out
                                    .println("is assignment to Instance FieldRef");
                        }

                        InstanceFieldRef r = (InstanceFieldRef) stmt
                                .getLeftOp();
                        SootField field = r.getField();

                        if (r.getBase().getType() instanceof RefType) {
                            RefType type = (RefType) r.getBase().getType();

                            //System.out.println("BaseType = " + type);
                            if (SootUtilities.derivesFrom(type.getSootClass(),
                                    PtolemyUtilities.tokenClass)) {
                                if (debug) {
                                    System.out.println("handling " + unit
                                            + " token operation");
                                }

                                // We have a reference to a field of a token class.
                                Local baseLocal = (Local) r.getBase();
                                Local instanceLocal = _getInstanceLocal(body,
                                        baseLocal, field, localToFieldToLocal,
                                        debug);

                                if (debug) {
                                    System.out.println("instanceLocal = "
                                            + instanceLocal);
                                }

                                if (instanceLocal != null) {
                                    stmt.getLeftOpBox().setValue(instanceLocal);
                                    doneSomething = true;
                                }
                            }
                        }
                    } else if (stmt.getRightOp() instanceof InstanceFieldRef) {
                        // Replace references to fields of tokens.
                        if (debug) {
                            System.out
                                    .println("is assignment from Instance FieldRef");
                        }

                        InstanceFieldRef r = (InstanceFieldRef) stmt
                                .getRightOp();
                        SootField field = r.getField();

                        if (r.getBase().getType() instanceof RefType) {
                            RefType type = (RefType) r.getBase().getType();

                            //System.out.println("BaseType = " + type);
                            if (SootUtilities.derivesFrom(type.getSootClass(),
                                    PtolemyUtilities.tokenClass)) {
                                if (debug) {
                                    System.out.println("handling " + unit
                                            + " token operation");
                                }

                                // We have a reference to a field of a token class.
                                Local baseLocal = (Local) r.getBase();
                                Local instanceLocal = _getInstanceLocal(body,
                                        baseLocal, field, localToFieldToLocal,
                                        debug);

                                if (debug) {
                                    System.out.println("instanceLocal = "
                                            + instanceLocal);
                                }

                                if (instanceLocal != null) {
                                    stmt.getRightOpBox()
                                            .setValue(instanceLocal);
                                    doneSomething = true;
                                }
                            }
                        }
                    }
                }
            }
        }

        if (debug) {
            System.out.println("Specializing types for " + entityClass);
        }

        // Specialize the token types.  Any field we created above
        // should now have its correct concrete type.
        // TypeSpecializer.specializeTypes(debug, entityClass, unsafeLocalSet);
        // Now go through the methods again and handle all token assignments,
        // replacing them with assignments on the native replacements.
        for (Iterator methods = entityClass.getMethods().iterator(); methods
                .hasNext();) {
            SootMethod method = (SootMethod) methods.next();

            if (debug) {
                System.out.println("Replacing token assignments in method "
                        + method);
            }

            JimpleBody body = (JimpleBody) method.retrieveActiveBody();

            //   InstanceEqualityEliminator.removeInstanceEqualities(body, null, true);
            for (Iterator units = body.getUnits().snapshotIterator(); units
                    .hasNext();) {
                Unit unit = (Unit) units.next();

                if (debug) {
                    System.out.println("ttn3 unit = " + unit);
                }

                // Hack to work around the presence of NIL fields:
                // Assume they are null references.
                //      for (Iterator boxes = unit.getUseAndDefBoxes().iterator(); boxes
                //                         .hasNext();) {
                //                     ValueBox box = (ValueBox) boxes.next();
                //                     Value value = box.getValue();
                //                     if (value instanceof FieldRef) {
                //                         FieldRef ref = (FieldRef)value;
                //                         SootField field = ref.getField();
                //                          if (field.getName().equals("NIL")) {
                //                              doneSomething = true;

                //                              box.setValue(NullConstant.v());
                //                              System.out.println("replacing as Null");
                //                          }
                //                     }
                //                 }

                if (unit instanceof AssignStmt) {
                    AssignStmt stmt = (AssignStmt) unit;
                    Type assignmentType = stmt.getLeftOp().getType();

                    if (PtolemyUtilities.isTokenType(assignmentType)) {
                        if (stmt.getLeftOp() instanceof Local
                                && (stmt.getRightOp() instanceof Local || stmt
                                        .getRightOp() instanceof Constant)) {
                            if (debug) {
                                System.out
                                        .println("handling as local-immediate assign");
                            }

                            doneSomething |= _handleImmediateAssignment(body,
                                    stmt, localToFieldToLocal,
                                    localToIsNotNullLocal, stmt.getLeftOp(),
                                    stmt.getRightOp(), debug);
                        } else if (stmt.getLeftOp() instanceof Local
                                && stmt.getRightOp() instanceof CastExpr) {
                            if (debug) {
                                System.out.println("handling as local cast");
                            }

                            Value rightLocal = ((CastExpr) stmt.getRightOp())
                                    .getOp();

                            doneSomething |= _handleImmediateAssignment(body,
                                    stmt, localToFieldToLocal,
                                    localToIsNotNullLocal, stmt.getLeftOp(),
                                    rightLocal, debug);
                        } else if (stmt.getLeftOp() instanceof FieldRef
                                && stmt.getRightOp() instanceof Local) {
                            if (debug) {
                                System.out
                                        .println("handling as assignment to Field");
                            }

                            FieldRef oldFieldRef = (FieldRef) stmt.getLeftOp();
                            SootField field = oldFieldRef.getField();
                            Map fieldToReplacementField = (Map) entityFieldToTokenFieldToReplacementField
                                    .get(field);
                            Map fieldToReplacementLocal = (Map) localToFieldToLocal
                                    .get(stmt.getRightOp());

                            //        System.out.println("fieldToReplacementField = " + fieldToReplacementField);
                            //                             System.out.println("fieldToReplacementLocal = " + fieldToReplacementLocal);
                            if ((fieldToReplacementLocal != null)
                                    && (fieldToReplacementField != null)) {
                                doneSomething = true;
                                // Replace references to fields with token types.
                                {
                                    SootField replacementField = (SootField) entityFieldToIsNotNullField
                                            .get(field);

                                    //System.out.println("replacementField = " + replacementField);
                                    FieldRef isNotNullFieldRef;

                                    if (oldFieldRef instanceof InstanceFieldRef) {
                                        isNotNullFieldRef = Jimple
                                                .v()
                                                .newInstanceFieldRef(
                                                        ((InstanceFieldRef) oldFieldRef)
                                                                .getBase(),
                                                        replacementField
                                                                .makeRef());
                                    } else {
                                        isNotNullFieldRef = Jimple.v()
                                                .newStaticFieldRef(
                                                        replacementField
                                                                .makeRef());
                                    }

                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    isNotNullFieldRef,
                                                                    (Local) localToIsNotNullLocal
                                                                            .get(stmt
                                                                                    .getRightOp())),
                                                    unit);
                                }

                                if (debug) {
                                    System.out.println("local = "
                                            + stmt.getLeftOp());
                                }

                                for (Iterator tokenFields = fieldToReplacementField
                                        .keySet().iterator(); tokenFields
                                        .hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();

                                    if (debug) {
                                        System.out.println("tokenField = "
                                                + tokenField);
                                    }

                                    SootField replacementField = (SootField) fieldToReplacementField
                                            .get(tokenField);
                                    Local replacementLocal = (Local) fieldToReplacementLocal
                                            .get(tokenField);

                                    if (debug) {
                                        System.out
                                                .println("replacementLocal = "
                                                        + replacementLocal);
                                    }

                                    FieldRef fieldRef;

                                    if (stmt.getLeftOp() instanceof InstanceFieldRef) {
                                        Local base = (Local) ((InstanceFieldRef) stmt
                                                .getLeftOp()).getBase();
                                        fieldRef = Jimple.v()
                                                .newInstanceFieldRef(
                                                        base,
                                                        replacementField
                                                                .makeRef());
                                    } else {
                                        fieldRef = Jimple.v()
                                                .newStaticFieldRef(
                                                        replacementField
                                                                .makeRef());
                                    }

                                    body.getUnits().insertBefore(
                                            Jimple.v().newAssignStmt(fieldRef,
                                                    replacementLocal), unit);
                                }

                                stmt.getRightOpBox().setValue(NullConstant.v());

                                // body.getUnits().remove(unit);
                            }
                        } else if (stmt.getLeftOp() instanceof Local
                                && stmt.getRightOp() instanceof FieldRef) {
                            if (debug) {
                                System.out
                                        .println("handling as assignment from Field");
                            }

                            FieldRef oldFieldRef = (FieldRef) stmt.getRightOp();
                            Map fieldToReplacementLocal = (Map) localToFieldToLocal
                                    .get(stmt.getLeftOp());
                            SootField field = oldFieldRef.getField();
                            Map fieldToReplacementField = (Map) entityFieldToTokenFieldToReplacementField
                                    .get(field);

                            // There are some fields that represent
                            // singleton tokens.  Deal with them
                            // specially.

                            // This is awkward, but it is simpler than
                            // doing a dataflow analysis of the static
                            // initializer of the token class to
                            // figure out what the value is.
                            boolean isSingleton = false;
                            if (field.getName().equals("TRUE")
                                    || field.getName().equals("FALSE")
                                    || field.getName().equals("ZERO")
                                    || field.getName().equals("ONE")) {
                                isSingleton = true;
                            }

                            if ((isSingleton)
                                    && (fieldToReplacementLocal != null)) {
                                doneSomething = true;

                                // Replace references to fields with
                                // token types.  The special fields
                                // should never be null
                                body.getUnits().insertBefore(
                                        Jimple.v().newAssignStmt(
                                                (Local) localToIsNotNullLocal
                                                        .get(stmt.getLeftOp()),
                                                IntConstant.v(1)), unit);

                                if (debug) {
                                    System.out.println("local = "
                                            + stmt.getLeftOp());
                                }

                                for (Iterator localFields = fieldToReplacementLocal
                                        .keySet().iterator(); localFields
                                        .hasNext();) {
                                    SootField localField = (SootField) localFields
                                            .next();

                                    if (debug) {
                                        System.out.println("localField = "
                                                + localField);
                                    }

                                    //     if (localField.getName().equals("_isNil")) {
                                    //                                         Local replacementLocal = (Local) fieldToReplacementLocal
                                    //                                                 .get(localField);

                                    //                                         body
                                    //                                                 .getUnits()
                                    //                                                 .insertBefore(
                                    //                                                         Jimple
                                    //                                                                 .v()
                                    //                                                                 .newAssignStmt(
                                    //                                                                         replacementLocal,
                                    //                                                                         IntConstant
                                    //                                                                                 .v(1)),
                                    //                                                         unit);
                                    //                                     } else
                                    if (localField.getName().equals(
                                            "_unitCategoryExponents")) {

                                        Local replacementLocal = (Local) fieldToReplacementLocal
                                                .get(localField);
                                        body
                                                .getUnits()
                                                .insertBefore(
                                                        Jimple
                                                                .v()
                                                                .newAssignStmt(
                                                                        replacementLocal,
                                                                        NullConstant
                                                                                .v()),
                                                        unit);
                                    } else if (localField.getName().equals(
                                            "_value")) {

                                        Local replacementLocal = (Local) fieldToReplacementLocal
                                                .get(localField);

                                        if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.BooleanToken: ptolemy.data.BooleanToken TRUE>")) {
                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(1)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.BooleanToken: ptolemy.data.BooleanToken FALSE>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(0)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.UnsignedByteToken: ptolemy.data.UnsignedByteToken ONE>")) {
                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(1)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.UnsignedByteToken: ptolemy.data.UnsignedByteToken ZERO>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(0)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.IntToken: ptolemy.data.IntToken ONE>")) {
                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(1)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.IntToken: ptolemy.data.IntToken ZERO>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            IntConstant.v(0)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.LongToken: ptolemy.data.LongToken ONE>")) {
                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            LongConstant.v(1)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.LongToken: ptolemy.data.LongToken ZERO>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            LongConstant.v(0)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.DoubleToken: ptolemy.data.DoubleToken ONE>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            DoubleConstant
                                                                    .v(1.0)),
                                                    unit);
                                        } else if (field
                                                .getSignature()
                                                .equals(
                                                        "<ptolemy.data.DoubleToken: ptolemy.data.DoubleToken ZERO>")) {

                                            body.getUnits().insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            DoubleConstant
                                                                    .v(0.0)),
                                                    unit);
                                        }
                                    } else {
                                        throw new RuntimeException(
                                                "Unknown Field in Token: "
                                                        + localField
                                                                .getSignature());
                                    }
                                }

                                stmt.getRightOpBox().setValue(NullConstant.v());

                                //body.getUnits().remove(unit);
                            } else if ((fieldToReplacementLocal != null)
                                    && (fieldToReplacementField != null)) {
                                doneSomething = true;
                                // Replace references to fields with token types.
                                // FIXME properly handle isNotNull field?
                                {
                                    SootField replacementField = (SootField) entityFieldToIsNotNullField
                                            .get(field);

                                    //   System.out.println("replacementField = " + replacementField);
                                    FieldRef isNotNullFieldRef;

                                    if (oldFieldRef instanceof InstanceFieldRef) {
                                        isNotNullFieldRef = Jimple
                                                .v()
                                                .newInstanceFieldRef(
                                                        ((InstanceFieldRef) oldFieldRef)
                                                                .getBase(),
                                                        replacementField
                                                                .makeRef());
                                    } else {
                                        isNotNullFieldRef = Jimple.v()
                                                .newStaticFieldRef(
                                                        replacementField
                                                                .makeRef());
                                    }

                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    (Local) localToIsNotNullLocal
                                                                            .get(stmt
                                                                                    .getLeftOp()),
                                                                    isNotNullFieldRef),
                                                    unit);
                                }

                                if (debug) {
                                    System.out.println("local = "
                                            + stmt.getLeftOp());
                                }

                                for (Iterator tokenFields = fieldToReplacementField
                                        .keySet().iterator(); tokenFields
                                        .hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();

                                    if (debug) {
                                        System.out.println("tokenField = "
                                                + tokenField);
                                    }

                                    SootField replacementField = (SootField) fieldToReplacementField
                                            .get(tokenField);
                                    Local replacementLocal = (Local) fieldToReplacementLocal
                                            .get(tokenField);
                                    FieldRef fieldRef;

                                    if (stmt.getRightOp() instanceof InstanceFieldRef) {
                                        Local base = (Local) ((InstanceFieldRef) stmt
                                                .getRightOp()).getBase();
                                        fieldRef = Jimple.v()
                                                .newInstanceFieldRef(
                                                        base,
                                                        replacementField
                                                                .makeRef());
                                    } else {
                                        fieldRef = Jimple.v()
                                                .newStaticFieldRef(
                                                        replacementField
                                                                .makeRef());
                                    }

                                    if (debug) {
                                        System.out
                                                .println("replacementLocal = "
                                                        + replacementLocal);
                                    }

                                    body.getUnits()
                                            .insertBefore(
                                                    Jimple.v().newAssignStmt(
                                                            replacementLocal,
                                                            fieldRef), unit);
                                }

                                stmt.getRightOpBox().setValue(NullConstant.v());

                                //      body.getUnits().remove(unit);
                            }
                        } else if (stmt.getLeftOp() instanceof ArrayRef
                                && stmt.getRightOp() instanceof Local) {
                            if (debug) {
                                System.out
                                        .println("handling as assignment to Array");
                            }

                            ArrayRef arrayRef = (ArrayRef) stmt.getLeftOp();
                            Local baseLocal = (Local) arrayRef.getBase();
                            Map fieldToReplacementArrayLocal = (Map) localToFieldToLocal
                                    .get(baseLocal);
                            Map fieldToReplacementLocal = (Map) localToFieldToLocal
                                    .get(stmt.getRightOp());

                            if (debug) {
                                System.out
                                        .println("fieldToReplacementArrayLocal = "
                                                + fieldToReplacementArrayLocal);
                            }

                            if (debug) {
                                System.out.println("fieldToReplacementLocal = "
                                        + fieldToReplacementLocal);
                            }

                            if ((fieldToReplacementLocal != null)
                                    && (fieldToReplacementArrayLocal != null)) {
                                doneSomething = true;
                                body
                                        .getUnits()
                                        .insertBefore(
                                                Jimple
                                                        .v()
                                                        .newAssignStmt(
                                                                Jimple
                                                                        .v()
                                                                        .newArrayRef(
                                                                                (Local) localToIsNotNullLocal
                                                                                        .get(baseLocal),
                                                                                arrayRef
                                                                                        .getIndex()),
                                                                (Local) localToIsNotNullLocal
                                                                        .get(stmt
                                                                                .getRightOp())),
                                                unit);

                                if (debug) {
                                    System.out.println("local = "
                                            + stmt.getLeftOp());
                                }

                                for (Iterator tokenFields = fieldToReplacementLocal
                                        .keySet().iterator(); tokenFields
                                        .hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();

                                    if (debug) {
                                        System.out.println("tokenField = "
                                                + tokenField);
                                    }

                                    Local replacementArrayLocal = (Local) fieldToReplacementArrayLocal
                                            .get(tokenField);
                                    Local replacementLocal = (Local) fieldToReplacementLocal
                                            .get(tokenField);

                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    Jimple
                                                                            .v()
                                                                            .newArrayRef(
                                                                                    replacementArrayLocal,
                                                                                    arrayRef
                                                                                            .getIndex()),
                                                                    replacementLocal),
                                                    unit);
                                }

                                // Have to remove here, because otherwise we'll try to
                                // index into a null array.
                                //stmt.getRightOpBox().setValue(NullConstant.v());
                                body.getUnits().remove(unit);
                            }
                        } else if (stmt.getLeftOp() instanceof Local
                                && stmt.getRightOp() instanceof ArrayRef) {
                            if (debug) {
                                System.out
                                        .println("handling as assignment from Array");
                            }

                            ArrayRef arrayRef = (ArrayRef) stmt.getRightOp();
                            Map fieldToReplacementLocal = (Map) localToFieldToLocal
                                    .get(stmt.getLeftOp());
                            Local baseLocal = (Local) arrayRef.getBase();
                            Map fieldToReplacementArrayLocal = (Map) localToFieldToLocal
                                    .get(baseLocal);

                            if ((fieldToReplacementLocal != null)
                                    && (fieldToReplacementArrayLocal != null)) {
                                doneSomething = true;

                                body
                                        .getUnits()
                                        .insertBefore(
                                                Jimple
                                                        .v()
                                                        .newAssignStmt(
                                                                (Local) localToIsNotNullLocal
                                                                        .get(stmt
                                                                                .getLeftOp()),
                                                                Jimple
                                                                        .v()
                                                                        .newArrayRef(
                                                                                (Local) localToIsNotNullLocal
                                                                                        .get(baseLocal),
                                                                                arrayRef
                                                                                        .getIndex())),
                                                unit);

                                if (debug) {
                                    System.out.println("local = "
                                            + stmt.getLeftOp());
                                }

                                for (Iterator tokenFields = fieldToReplacementLocal
                                        .keySet().iterator(); tokenFields
                                        .hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();

                                    if (debug) {
                                        System.out.println("tokenField = "
                                                + tokenField);
                                    }

                                    Local replacementArrayLocal = (Local) fieldToReplacementArrayLocal
                                            .get(tokenField);
                                    Local replacementLocal = (Local) fieldToReplacementLocal
                                            .get(tokenField);

                                    if (debug) {
                                        System.out
                                                .println("replacementLocal = "
                                                        + replacementLocal);
                                    }

                                    if (debug) {
                                        System.out
                                                .println("replacementArrayLocal = "
                                                        + replacementArrayLocal);
                                    }

                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    replacementLocal,
                                                                    Jimple
                                                                            .v()
                                                                            .newArrayRef(
                                                                                    replacementArrayLocal,
                                                                                    arrayRef
                                                                                            .getIndex())),
                                                    unit);
                                }

                                stmt.getRightOpBox().setValue(NullConstant.v());

                                //body.getUnits().remove(unit);
                            }
                        } else if (stmt.getLeftOp() instanceof Local
                                && stmt.getRightOp() instanceof NewArrayExpr) {
                            if (debug) {
                                System.out
                                        .println("handling as new array object");
                            }

                            NewArrayExpr newExpr = (NewArrayExpr) stmt
                                    .getRightOp();

                            // We have an assignment to a local from a new array.
                            Map map = (Map) localToFieldToLocal.get(stmt
                                    .getLeftOp());

                            if (map != null) {
                                doneSomething = true;

                                Type isNotNullType = SootUtilities
                                        .createIsomorphicType(newExpr
                                                .getBaseType(), BooleanType.v());
                                Local isNotNullLocal = (Local) localToIsNotNullLocal
                                        .get(stmt.getLeftOp());
                                body.getUnits().insertBefore(
                                        Jimple.v().newAssignStmt(
                                                isNotNullLocal,
                                                Jimple.v().newNewArrayExpr(
                                                        isNotNullType,
                                                        newExpr.getSize())),
                                        unit);

                                for (Iterator tokenFields = map.keySet()
                                        .iterator(); tokenFields.hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();

                                    if (debug) {
                                        System.out.println("tokenField = "
                                                + tokenField);
                                    }

                                    Local replacementLocal = (Local) map
                                            .get(tokenField);

                                    Type replacementType = SootUtilities
                                            .createIsomorphicType(newExpr
                                                    .getBaseType(), tokenField
                                                    .getType());

                                    // Initialize fields?
                                    body
                                            .getUnits()
                                            .insertBefore(
                                                    Jimple
                                                            .v()
                                                            .newAssignStmt(
                                                                    replacementLocal,
                                                                    Jimple
                                                                            .v()
                                                                            .newNewArrayExpr(
                                                                                    replacementType,
                                                                                    newExpr
                                                                                            .getSize())),
                                                    unit);
                                }

                                stmt.getRightOpBox().setValue(NullConstant.v());

                                //body.getUnits().remove(unit);
                            }
                        } else if (stmt.getLeftOp() instanceof Local
                                && stmt.getRightOp() instanceof NewExpr) {
                            if (debug) {
                                System.out.println("handling as new object");
                            }

                            /* NewExpr newExpr = (NewExpr)*/stmt.getRightOp();

                            // We have an assignment from one local token to another.
                            Map map = (Map) localToFieldToLocal.get(stmt
                                    .getLeftOp());

                            if (map != null) {
                                doneSomething = true;

                                Local isNotNullLocal = (Local) localToIsNotNullLocal
                                        .get(stmt.getLeftOp());

                                if (debug) {
                                    System.out.println("Stmt = " + stmt);
                                }

                                body.getUnits().insertBefore(
                                        Jimple.v().newAssignStmt(
                                                isNotNullLocal,
                                                IntConstant.v(1)), unit);

                                for (Iterator tokenFields = map.keySet()
                                        .iterator(); tokenFields.hasNext();) {
                                    SootField tokenField = (SootField) tokenFields
                                            .next();
                                    Local replacementLocal = (Local) map
                                            .get(tokenField);

                                    // Initialize fields?
View Full Code Here
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
            list = _getTokenClassFields(tokenClass.getSuperclass());
        }

        for (Iterator fields = tokenClass.getFields().iterator(); fields
                .hasNext();) {
            SootField field = (SootField) fields.next();
            int modifiers = field.getModifiers();

            // Hmm...  do we have to treat final fields differently?
            if (!Modifier.isStatic(modifiers)) { // && !Modifier.isFinal(modifiers)) {
                list.add(field);
            }
View Full Code Here
TOP

Related Classes of soot.SootField

  • backend.ModuleCodeGenerator
  • dk.brics.string.annotation.AnnotationAnalyzer
  • dk.brics.xact.analysis.soot.Translator
  • org.trifort.rootbeer.entry.RootbeerDfs
  • org.trifort.rootbeer.generate.bytecode.ReadOnlyTypes
  • org.trifort.rootbeer.generate.opencl.fields.CompositeFieldFactory
  • org.trifort.rootbeer.generate.opencl.fields.FieldCodeGeneration
  • org.trifort.rootbeer.generate.opencl.fields.OpenCLField
  • org.trifort.rootbeer.generate.opencl.OpenCLClass
  • ptolemy.copernicus.c.CallGraphPruner
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.