2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.vm;
20 import gov.nasa.jpf.Config;
21 import gov.nasa.jpf.annotation.MJI;
22 import gov.nasa.jpf.util.MethodInfoRegistry;
23 import gov.nasa.jpf.util.RunListener;
24 import gov.nasa.jpf.util.RunRegistry;
26 import java.lang.reflect.Method;
27 import java.lang.reflect.Modifier;
28 import java.util.ArrayList;
30 public class JPF_java_lang_reflect_Method extends NativePeer {
32 static MethodInfoRegistry registry;
34 // class init - this is called automatically from the NativePeer ctor
35 public static boolean init (Config conf) {
36 // this is an example of how to handle cross-initialization between
37 // native peers - this might also get explicitly called by the java.lang.Class
38 // peer, since it creates Method objects. Here we have to make sure
39 // we only reset between JPF runs
41 if (registry == null){
42 registry = new MethodInfoRegistry();
44 RunRegistry.getDefaultRegistry().addListener( new RunListener() {
46 public void reset (RunRegistry reg){
54 static int createMethodObject (MJIEnv env, ClassInfo ciMth, MethodInfo mi){
55 // note - it is the callers responsibility to ensure Method is properly initialized
56 int regIdx = registry.registerMethodInfo(mi);
57 int eidx = env.newObject( ciMth);
58 ElementInfo ei = env.getModifiableElementInfo(eidx);
60 ei.setIntField("regIdx", regIdx);
61 ei.setBooleanField("isAccessible", mi.isPublic());
66 // this is NOT an MJI method, but it is used outside this package, so
67 // we have to add 'final'
68 public static final MethodInfo getMethodInfo (MJIEnv env, int objRef){
69 return registry.getMethodInfo(env,objRef, "regIdx");
73 public int getName____Ljava_lang_String_2 (MJIEnv env, int objRef) {
74 MethodInfo mi = getMethodInfo(env, objRef);
76 int nameRef = env.getReferenceField( objRef, "name");
77 if (nameRef == MJIEnv.NULL) {
78 nameRef = env.newString(mi.getName());
79 env.setReferenceField(objRef, "name", nameRef);
86 public int getModifiers____I (MJIEnv env, int objRef){
87 MethodInfo mi = getMethodInfo(env, objRef);
88 return mi.getModifiers();
91 static int getParameterTypes( MJIEnv env, MethodInfo mi) {
92 ThreadInfo ti = env.getThreadInfo();
93 String[] argTypeNames = mi.getArgumentTypeNames();
94 int[] ar = new int[argTypeNames.length];
96 for (int i = 0; i < argTypeNames.length; i++) {
97 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(argTypeNames[i]);
98 if (!ci.isRegistered()) {
102 ar[i] = ci.getClassObjectRef();
105 int aRef = env.newObjectArray("Ljava/lang/Class;", argTypeNames.length);
106 for (int i = 0; i < argTypeNames.length; i++) {
107 env.setReferenceArrayElement(aRef, i, ar[i]);
114 public int getParameterTypes_____3Ljava_lang_Class_2 (MJIEnv env, int objRef){
115 return getParameterTypes(env, getMethodInfo(env, objRef));
118 // TODO: Fix for Groovy's model-checking
119 private static int getGenericArrayTypeImplObj(String signature, MJIEnv env, int objRef, MethodInfo mi) {
121 ThreadInfo ti = env.getThreadInfo();
122 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
123 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.GenericArrayTypeImpl");
125 // Create a new object of type GenericArrayTypeImpl
126 int genArrRef = env.newObject(ci);
127 ElementInfo ei = env.getModifiableElementInfo(genArrRef);
129 // Get field information and fill out the fields
130 String clsSig = Types.getArrayClassName(signature);
131 int paramTypeRef = getParameterizedTypeImplObj(clsSig, env, objRef, mi);
132 ei.setReferenceField("genericComponentType", paramTypeRef);
137 private static int getParameterizedTypeImplObj(String signature, MJIEnv env, int objRef, MethodInfo mi) {
139 ThreadInfo ti = env.getThreadInfo();
140 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
141 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl");
142 // Create a new object of type ParameterizedTypeImpl
143 int paramTypeRef = env.newObject(ci);
144 ElementInfo ei = env.getModifiableElementInfo(paramTypeRef);
145 // Get field information and fill out the fields
147 String className = Types.getGenericClassName(signature);
148 ClassInfo gci = cli.getResolvedClassInfo(className);
149 if (!gci.isRegistered()) {
150 gci.registerClass(ti);
152 ei.setReferenceField("rawType", gci.getClassObjectRef());
154 // actualTypeArguments
155 String[] parameterizedTypes = Types.getParameterizedTypes(signature);
156 int[] types = new int[parameterizedTypes.length];
157 String classGenericSig = mi.getClassInfo().getGenericSignature();
158 String methodGenericSig = mi.getGenericSignature();
159 for(int j = 0; j < parameterizedTypes.length; j++) {
160 if (Types.isTypeParameter(parameterizedTypes[j], methodGenericSig) ||
161 Types.isTypeParameter(parameterizedTypes[j], classGenericSig)) {
162 types[j] = getTypeVariableImplObject(env, objRef, parameterizedTypes[j]);
163 } else if (Types.isWildcardType(parameterizedTypes[j])) {
164 types[j] = getWildcardTypeImplObject(env, objRef, parameterizedTypes[j]);
166 ClassInfo pci = cli.getResolvedClassInfo(parameterizedTypes[j]);
167 if (!pci.isRegistered()) {
168 pci.registerClass(ti);
170 types[j] = pci.getClassObjectRef();
173 int aRef = env.newObjectArray("Ljava/lang/reflect/Type;", parameterizedTypes.length);
174 // Set references for every array element
175 for (int j = 0; j < parameterizedTypes.length; j++) {
176 env.setReferenceArrayElement(aRef, j, types[j]);
178 ei.setReferenceField("actualTypeArguments", aRef);
181 String ownerType = Types.getOwnerClassName(signature);
182 if (ownerType != null) {
183 ClassInfo oci = ClassLoaderInfo.getCurrentResolvedClassInfo(ownerType);
184 if (!oci.isRegistered()) {
185 oci.registerClass(ti);
187 ei.setReferenceField("ownerType", oci.getClassObjectRef());
189 ei.setReferenceField("ownerType", MJIEnv.NULL);
195 private static int getWildcardTypeImplObject(MJIEnv env, int objRef, String wildcardType) {
196 ThreadInfo ti = env.getThreadInfo();
197 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
198 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.WildcardTypeImpl");
200 int wildcardRef = env.newObject(ci);
201 ElementInfo ei = env.getModifiableElementInfo(wildcardRef);
202 String actualType = Types.getWildcardType(wildcardType);
203 ClassInfo uci = cli.getResolvedClassInfo(actualType);
204 if (!uci.isRegistered()) {
205 uci.registerClass(ti);
207 int uRef = MJIEnv.NULL;
208 int lRef = MJIEnv.NULL;
209 if (wildcardType.startsWith("+L") || wildcardType.equals("*")) {
211 uRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
212 env.setReferenceArrayElement(uRef, 0, uci.getClassObjectRef());
213 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 0);
214 } else { // wildcardType.startsWith("-L")
216 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
217 env.setReferenceArrayElement(lRef, 0, uci.getClassObjectRef());
219 ei.setReferenceField("upperBounds", uRef);
220 ei.setReferenceField("lowerBounds", lRef);
225 private static int getTypeVariableImplObject(MJIEnv env, int objRef, String parameterizedType) {
227 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
228 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.TypeVariableImpl");
230 int typeVarRef = env.newObject(ci);
231 ElementInfo ei = env.getModifiableElementInfo(typeVarRef);
232 // genericDeclaration contains this java.lang.reflect.Method object
233 ei.setReferenceField("genericDeclaration", objRef);
234 ei.setReferenceField("name", env.newString(parameterizedType));
239 static int getGenericParameterTypes( MJIEnv env, int objRef, MethodInfo mi) {
240 ThreadInfo ti = env.getThreadInfo();
241 String[] argTypeNames = mi.getArgumentGenericTypeNames();
242 int[] ar = new int[argTypeNames.length];
244 for (int i = 0; i < argTypeNames.length; i++) {
245 // Change this into just the generic class type if it is a generic class
246 if (Types.isGenericSignature(argTypeNames[i])) {
247 if (Types.isArraySignature(argTypeNames[i])) {
249 ar[i] = getGenericArrayTypeImplObj(argTypeNames[i], env, objRef, mi);
251 ar[i] = getParameterizedTypeImplObj(argTypeNames[i], env, objRef, mi);
254 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(argTypeNames[i]);
255 if (!ci.isRegistered()) {
256 ci.registerClass(ti);
258 ar[i] = ci.getClassObjectRef();
261 int aRef = env.newObjectArray("Ljava/lang/reflect/Type;", argTypeNames.length);
262 for (int i = 0; i < argTypeNames.length; i++) {
263 env.setReferenceArrayElement(aRef, i, ar[i]);
270 public int getGenericParameterTypes_____3Ljava_lang_reflect_Type_2 (MJIEnv env, int objRef){
271 return getGenericParameterTypes(env, objRef, getMethodInfo(env, objRef));
275 public int getGenericReturnType____Ljava_lang_reflect_Type_2 (MJIEnv env, int objRef){
276 MethodInfo mi = getMethodInfo(env, objRef);
277 ThreadInfo ti = env.getThreadInfo();
280 if (Types.isGenericSignature(mi.getGenericReturnTypeName())) {
281 retRef = getParameterizedTypeImplObj(mi.getGenericReturnTypeName(), env, objRef, mi);
283 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(mi.getReturnTypeName());
284 if (!ci.isRegistered()) {
285 ci.registerClass(ti);
287 retRef = ci.getClassObjectRef();
292 // TODO: Fix for Groovy's model-checking
293 // TODO: We have been able to only register the generic class and not yet the parameterized types
295 int getExceptionTypes(MJIEnv env, MethodInfo mi) {
296 ThreadInfo ti = env.getThreadInfo();
297 String[] exceptionNames = mi.getThrownExceptionClassNames();
299 if (exceptionNames == null) {
300 exceptionNames = new String[0];
303 int[] ar = new int[exceptionNames.length];
305 for (int i = 0; i < exceptionNames.length; i++) {
306 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(exceptionNames[i]);
307 if (!ci.isRegistered()) {
308 ci.registerClass(ti);
311 ar[i] = ci.getClassObjectRef();
314 int aRef = env.newObjectArray("Ljava/lang/Class;", exceptionNames.length);
315 for (int i = 0; i < exceptionNames.length; i++) {
316 env.setReferenceArrayElement(aRef, i, ar[i]);
323 public int getExceptionTypes_____3Ljava_lang_Class_2 (MJIEnv env, int objRef) {
324 return getExceptionTypes(env, getMethodInfo(env, objRef));
328 public int getDefaultValue____Ljava_lang_Object_2(MJIEnv env, int objRef) {
329 MethodInfo mi = getMethodInfo(env, objRef);
330 ClassInfo ci = mi.getClassInfo();
331 if(!ci.isInterface() || ci.getDirectInterfaceNames() == null || ci.getDirectInterfaceNames().length != 1 || !ci.getDirectInterfaceNames()[0].equals("java.lang.annotation.Annotation")) {
334 String annotationName = ci.getName();
335 AnnotationInfo ai = ci.getClassLoaderInfo().getResolvedAnnotationInfo(annotationName);
336 Object o = ai.getValue(mi.getName());
341 return env.liftNativeAnnotationValue(Types.getTypeName(mi.getReturnType()), o);
342 } catch(ClinitRequired e) {
343 env.handleClinitRequest(e.getRequiredClassInfo());
349 public int getReturnType____Ljava_lang_Class_2 (MJIEnv env, int objRef){
350 MethodInfo mi = getMethodInfo(env, objRef);
351 ThreadInfo ti = env.getThreadInfo();
353 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(mi.getReturnTypeName());
354 if (!ci.isRegistered()) {
355 ci.registerClass(ti);
358 return ci.getClassObjectRef();
362 public int getDeclaringClass____Ljava_lang_Class_2 (MJIEnv env, int objRef){
363 MethodInfo mi = getMethodInfo(env, objRef);
364 ClassInfo ci = mi.getClassInfo();
365 // it's got to be registered, otherwise we wouldn't be able to acquire the Method object
366 return ci.getClassObjectRef();
369 static int createBoxedReturnValueObject (MJIEnv env, MethodInfo mi, DirectCallStackFrame frame) {
370 byte rt = mi.getReturnTypeCode();
371 int ret = MJIEnv.NULL;
375 if (rt == Types.T_DOUBLE) {
376 attr = frame.getLongResultAttr();
377 double v = frame.getDoubleResult();
378 ret = env.newObject(ClassLoaderInfo.getSystemResolvedClassInfo("java.lang.Double"));
379 rei = env.getModifiableElementInfo(ret);
380 rei.setDoubleField("value", v);
381 } else if (rt == Types.T_FLOAT) {
382 attr = frame.getResultAttr();
383 float v = frame.getFloatResult();
384 ret = env.newObject(ClassLoaderInfo.getSystemResolvedClassInfo("java.lang.Float"));
385 rei = env.getModifiableElementInfo(ret);
386 rei.setFloatField("value", v);
387 } else if (rt == Types.T_LONG) {
388 attr = frame.getLongResultAttr();
389 long v = frame.getLongResult();
390 ret = env.valueOfLong(v);
391 } else if (rt == Types.T_BYTE) {
392 attr = frame.getResultAttr();
393 int v = frame.getResult();
394 ret = env.valueOfByte((byte)v);
395 } else if (rt == Types.T_CHAR) {
396 attr = frame.getResultAttr();
397 int v = frame.getResult();
398 ret = env.valueOfCharacter((char)v);
399 } else if (rt == Types.T_SHORT) {
400 attr = frame.getResultAttr();
401 int v = frame.getResult();
402 ret = env.valueOfShort((short)v);
403 } else if (rt == Types.T_INT) {
404 attr = frame.getResultAttr();
405 int v = frame.getResult();
406 ret = env.valueOfInteger(v);
407 } else if (rt == Types.T_BOOLEAN) {
408 attr = frame.getResultAttr();
409 int v = frame.getResult();
410 ret = env.valueOfBoolean((v == 1)? true: false);
411 } else if (mi.isReferenceReturnType()){
412 attr = frame.getResultAttr();
413 ret = frame.getReferenceResult();
416 env.setReturnAttribute(attr);
420 static boolean pushUnboxedArguments (MJIEnv env, MethodInfo mi, DirectCallStackFrame frame, int argIdx, int argsRef) {
422 ClassInfo sourceClass;
423 String destTypeNames[];
424 int nArgs, passedCount, sourceRef;
425 byte sourceType, destTypes[];
427 destTypes = mi.getArgumentTypes();
428 destTypeNames = mi.getArgumentTypeNames();
429 nArgs = destTypeNames.length;
431 // according to the API docs, passing null instead of an empty array is allowed for no args
432 passedCount = (argsRef != MJIEnv.NULL) ? env.getArrayLength(argsRef) : 0;
434 if (nArgs != passedCount) {
435 env.throwException(IllegalArgumentException.class.getName(), "Wrong number of arguments passed. Actual = " + passedCount + ". Expected = " + nArgs);
439 for (int i = 0; i < nArgs; i++) {
440 sourceRef = env.getReferenceArrayElement(argsRef, i);
442 // we have to handle null references explicitly
443 if (sourceRef == MJIEnv.NULL) {
444 if ((destTypes[i] != Types.T_REFERENCE) && (destTypes[i] != Types.T_ARRAY)) {
445 env.throwException(IllegalArgumentException.class.getName(), "Wrong argument type at index " + i + ". Actual = (null). Expected = " + destTypeNames[i]);
449 frame.pushRef(MJIEnv.NULL);
453 source = env.getElementInfo(sourceRef);
454 sourceClass = source.getClassInfo();
455 sourceType = getSourceType( sourceClass, destTypes[i], destTypeNames[i]);
457 Object attr = env.getElementInfo(argsRef).getFields().getFieldAttr(i);
458 if ((argIdx = pushArg( argIdx, frame, source, sourceType, destTypes[i], attr)) < 0 ){
459 env.throwException(IllegalArgumentException.class.getName(), "Wrong argument type at index " + i + ". Source Class = " + sourceClass.getName() + ". Dest Class = " + destTypeNames[i]);
467 // this returns the primitive type in case we have to unbox, and otherwise checks reference type compatibility
468 private static byte getSourceType (ClassInfo ciArgVal, byte destType, String destTypeName){
471 case Types.T_BOOLEAN:
479 return Types.getUnboxedType(ciArgVal.getName());
482 case Types.T_REFERENCE: // check if the source type is assignment compatible with the destType
483 if (ciArgVal.isInstanceOf(destTypeName)){
491 // do the proper type conversion - Java is pretty forgiving here and does
492 // not throw exceptions upon value truncation
493 private static int pushArg( int argIdx, DirectCallStackFrame frame, ElementInfo eiArg, byte srcType, byte destType, Object attr){
497 double v = eiArg.getDoubleField("value");
498 if (destType == Types.T_DOUBLE){
499 return frame.setDoubleArgument( argIdx, v, attr);
503 case Types.T_FLOAT: // covers float, double
505 float v = eiArg.getFloatField("value");
508 return frame.setFloatArgument( argIdx, v, attr);
510 return frame.setDoubleArgument( argIdx, v, attr);
516 long v = eiArg.getLongField("value");
519 return frame.setLongArgument(argIdx, v, attr);
521 return frame.setFloatArgument(argIdx, v, attr);
523 return frame.setDoubleArgument( argIdx, v, attr);
529 int v = eiArg.getIntField("value");
532 return frame.setArgument( argIdx, v, attr);
534 return frame.setLongArgument( argIdx, v, attr);
536 return frame.setFloatArgument(argIdx, v, attr);
538 return frame.setDoubleArgument( argIdx, v, attr);
544 int v = eiArg.getShortField("value");
548 return frame.setArgument( argIdx, v, attr);
550 return frame.setLongArgument( argIdx, v, attr);
552 return frame.setFloatArgument(argIdx, v, attr);
554 return frame.setDoubleArgument( argIdx, v, attr);
560 byte v = eiArg.getByteField("value");
565 return frame.setArgument( argIdx, v, attr);
567 return frame.setLongArgument( argIdx, v, attr);
569 return frame.setFloatArgument(argIdx, v, attr);
571 return frame.setDoubleArgument( argIdx, v, attr);
577 char v = eiArg.getCharField("value");
581 return frame.setArgument( argIdx, v, attr);
583 return frame.setLongArgument( argIdx, v, attr);
585 return frame.setFloatArgument(argIdx, v, attr);
587 return frame.setDoubleArgument( argIdx, v, attr);
591 case Types.T_BOOLEAN:
593 boolean v = eiArg.getBooleanField("value");
594 if (destType == Types.T_BOOLEAN){
595 return frame.setArgument( argIdx, v ? 1 : 0, attr);
601 int ref = eiArg.getObjectRef();
602 if (destType == Types.T_ARRAY){
603 return frame.setReferenceArgument( argIdx, ref, attr);
607 case Types.T_REFERENCE:
609 int ref = eiArg.getObjectRef();
610 if (destType == Types.T_REFERENCE){
611 return frame.setReferenceArgument( argIdx, ref, attr);
622 public int invoke__Ljava_lang_Object_2_3Ljava_lang_Object_2__Ljava_lang_Object_2 (MJIEnv env, int mthRef, int objRef, int argsRef) {
623 ThreadInfo ti = env.getThreadInfo();
624 MethodInfo miCallee = getMethodInfo(env, mthRef);
625 ClassInfo calleeClass = miCallee.getClassInfo();
626 DirectCallStackFrame frame = ti.getReturnedDirectCall();
628 if (frame == null){ // first time
630 //--- check the instance we are calling on
631 if (!miCallee.isStatic()) {
632 if (objRef == MJIEnv.NULL){
633 env.throwException("java.lang.NullPointerException");
637 ElementInfo eiObj = ti.getElementInfo(objRef);
638 ClassInfo objClass = eiObj.getClassInfo();
640 if (!objClass.isInstanceOf(calleeClass)) {
641 env.throwException(IllegalArgumentException.class.getName(), "Object is not an instance of declaring class. Actual = " + objClass + ". Expected = " + calleeClass);
647 //--- check accessibility
648 ElementInfo eiMth = ti.getElementInfo(mthRef);
649 if (! (Boolean) eiMth.getFieldValueObject("isAccessible")) {
650 StackFrame caller = ti.getTopFrame().getPrevious();
651 ClassInfo callerClass = caller.getClassInfo();
653 if (callerClass != calleeClass) {
654 env.throwException(IllegalAccessException.class.getName(), "Class " + callerClass.getName() +
655 " can not access a member of class " + calleeClass.getName()
656 + " with modifiers \"" + Modifier.toString(miCallee.getModifiers()));
661 //--- push the direct call
662 frame = miCallee.createDirectCallStackFrame(ti, 0);
663 frame.setReflection();
666 if (!miCallee.isStatic()) {
667 frame.setReferenceArgument( argOffset++, objRef, null);
669 if (!pushUnboxedArguments( env, miCallee, frame, argOffset, argsRef)) {
670 // we've got a IllegalArgumentException
676 //--- check for and push required clinits
677 if (miCallee.isStatic()){
678 calleeClass.initializeClass(ti);
681 return MJIEnv.NULL; // reexecute
683 } else { // we have returned from the direct call
684 return createBoxedReturnValueObject( env, miCallee, frame);
689 // this one has to collect annotations upwards in the inheritance chain
690 static int getAnnotations (MJIEnv env, MethodInfo mi){
691 String mname = mi.getName();
692 String msig = mi.genericSignature;
693 ArrayList<AnnotationInfo> aiList = new ArrayList<AnnotationInfo>();
695 // our own annotations
696 ClassInfo ci = mi.getClassInfo();
697 for (AnnotationInfo ai : mi.getAnnotations()) {
701 // our superclass annotations
702 for (ci = ci.getSuperClass(); ci != null; ci = ci.getSuperClass()){
703 mi = ci.getMethod(mname, msig, false);
705 for (AnnotationInfo ai: mi.getAnnotations()){
712 return env.newAnnotationProxies(aiList.toArray(new AnnotationInfo[aiList.size()]));
713 } catch (ClinitRequired x){
714 env.handleClinitRequest(x.getRequiredClassInfo());
720 public int getAnnotations_____3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
721 return getAnnotations( env, getMethodInfo(env,mthRef));
724 // the following ones consist of a package default implementation that is shared with
725 // the constructor peer, and a public model method
726 static int getAnnotation (MJIEnv env, MethodInfo mi, int annotationClsRef){
727 ClassInfo aci = env.getReferredClassInfo(annotationClsRef);
729 AnnotationInfo ai = mi.getAnnotation(aci.getName());
731 ClassInfo aciProxy = aci.getAnnotationProxy();
733 return env.newAnnotationProxy(aciProxy, ai);
734 } catch (ClinitRequired x){
735 env.handleClinitRequest(x.getRequiredClassInfo());
744 public int getAnnotation__Ljava_lang_Class_2__Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef, int annotationClsRef) {
745 return getAnnotation(env, getMethodInfo(env,mthRef), annotationClsRef);
748 static int getDeclaredAnnotations (MJIEnv env, MethodInfo mi){
749 AnnotationInfo[] ai = mi.getAnnotations();
752 return env.newAnnotationProxies(ai);
753 } catch (ClinitRequired x){
754 env.handleClinitRequest(x.getRequiredClassInfo());
760 public int getDeclaredAnnotations_____3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
761 return getDeclaredAnnotations( env, getMethodInfo(env,mthRef));
764 static int getParameterAnnotations (MJIEnv env, MethodInfo mi){
765 AnnotationInfo[][] pa = mi.getParameterAnnotations();
766 // this should always return an array object, even if the method has no arguments
769 int paRef = env.newObjectArray("[Ljava/lang/annotation/Annotation;", pa.length);
771 for (int i=0; i<pa.length; i++){
772 int eRef = env.newAnnotationProxies(pa[i]);
773 env.setReferenceArrayElement(paRef, i, eRef);
778 } catch (ClinitRequired x){ // be prepared that we might have to initialize respective annotation classes
779 env.handleClinitRequest(x.getRequiredClassInfo());
785 public int getParameterAnnotations_____3_3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
786 return getParameterAnnotations( env, getMethodInfo(env,mthRef));
790 public int toString____Ljava_lang_String_2 (MJIEnv env, int objRef){
791 StringBuilder sb = new StringBuilder();
793 MethodInfo mi = getMethodInfo(env, objRef);
795 sb.append(Modifier.toString(mi.getModifiers()));
798 sb.append(mi.getReturnTypeName());
801 sb.append(mi.getClassName());
804 sb.append(mi.getName());
808 String[] at = mi.getArgumentTypeNames();
809 for (int i=0; i<at.length; i++){
810 if (i>0) sb.append(',');
816 int sref = env.newString(sb.toString());
821 public boolean equals__Ljava_lang_Object_2__Z (MJIEnv env, int objRef, int mthRef){
822 ElementInfo ei = env.getElementInfo(mthRef);
823 ClassInfo ci = ClassLoaderInfo.getSystemResolvedClassInfo(JPF_java_lang_Class.METHOD_CLASSNAME);
825 if (ei.getClassInfo() == ci){
826 MethodInfo mi1 = getMethodInfo(env, objRef);
827 MethodInfo mi2 = getMethodInfo(env, mthRef);
828 if (mi1.getClassInfo() == mi2.getClassInfo()){
829 if (mi1.getName().equals(mi2.getName())){
830 if (mi1.getReturnType().equals(mi2.getReturnType())){
831 byte[] params1 = mi1.getArgumentTypes();
832 byte[] params2 = mi2.getArgumentTypes();
833 if (params1.length == params2.length){
834 for (int i = 0; i < params1.length; i++){
835 if (params1[i] != params2[i]){
849 public int hashCode____I (MJIEnv env, int objRef){
850 MethodInfo mi = getMethodInfo(env, objRef);
851 return mi.getClassName().hashCode() ^ mi.getName().hashCode();