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], mi);
165 } else if (Types.isParameterizedType(parameterizedTypes[j])) {
167 types[j] = getParameterizedTypeImplObj(parameterizedTypes[j], env, objRef, mi);
169 ClassInfo pci = cli.getResolvedClassInfo(parameterizedTypes[j]);
170 if (!pci.isRegistered()) {
171 pci.registerClass(ti);
173 types[j] = pci.getClassObjectRef();
176 int aRef = env.newObjectArray("Ljava/lang/reflect/Type;", parameterizedTypes.length);
177 // Set references for every array element
178 for (int j = 0; j < parameterizedTypes.length; j++) {
179 env.setReferenceArrayElement(aRef, j, types[j]);
181 ei.setReferenceField("actualTypeArguments", aRef);
184 String ownerType = Types.getOwnerClassName(signature);
185 if (ownerType != null) {
186 ClassInfo oci = ClassLoaderInfo.getCurrentResolvedClassInfo(ownerType);
187 if (!oci.isRegistered()) {
188 oci.registerClass(ti);
190 ei.setReferenceField("ownerType", oci.getClassObjectRef());
192 ei.setReferenceField("ownerType", MJIEnv.NULL);
198 private static int getWildcardTypeImplObject(MJIEnv env, int objRef, String wildcardType, MethodInfo mi) {
199 ThreadInfo ti = env.getThreadInfo();
200 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
201 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.WildcardTypeImpl");
203 int wildcardRef = env.newObject(ci);
204 ElementInfo ei = env.getModifiableElementInfo(wildcardRef);
205 // Type parameter test
206 // TODO: This test could probably be made cleaner
207 String classGenericSig = mi.getClassInfo().getGenericSignature();
208 String methodGenericSig = mi.getGenericSignature();
209 String typeParameter = Types.getTypeParameter(wildcardType);
210 int uRef = MJIEnv.NULL;
211 int lRef = MJIEnv.NULL;
212 if (Types.isTypeParameter(typeParameter, methodGenericSig) ||
213 Types.isTypeParameter(typeParameter, classGenericSig)) {
214 int tpRef = getTypeVariableImplObject(env, objRef, typeParameter);
215 if (wildcardType.startsWith("+")) {
217 uRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
218 env.setReferenceArrayElement(uRef, 0, tpRef);
219 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 0);
220 } else { // wildcardType.startsWith("-")
222 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
223 env.setReferenceArrayElement(lRef, 0, tpRef);
227 String actualType = Types.getWildcardType(wildcardType);
228 ClassInfo uci = cli.getResolvedClassInfo(actualType);
229 if (!uci.isRegistered()) {
230 uci.registerClass(ti);
232 if (wildcardType.startsWith("+L") || wildcardType.equals("*")) {
234 uRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
235 env.setReferenceArrayElement(uRef, 0, uci.getClassObjectRef());
236 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 0);
237 } else { // wildcardType.startsWith("-L")
239 lRef = env.newObjectArray("Ljava/lang/reflect/Type;", 1);
240 env.setReferenceArrayElement(lRef, 0, uci.getClassObjectRef());
243 ei.setReferenceField("upperBounds", uRef);
244 ei.setReferenceField("lowerBounds", lRef);
249 private static int getTypeVariableImplObject(MJIEnv env, int objRef, String parameterizedType) {
251 ClassLoaderInfo cli = env.getSystemClassLoaderInfo();
252 ClassInfo ci = cli.getResolvedClassInfo("sun.reflect.generics.reflectiveObjects.TypeVariableImpl");
254 int typeVarRef = env.newObject(ci);
255 ElementInfo ei = env.getModifiableElementInfo(typeVarRef);
256 // genericDeclaration contains this java.lang.reflect.Method object
257 ei.setReferenceField("genericDeclaration", objRef);
258 ei.setReferenceField("name", env.newString(parameterizedType));
263 static int getGenericParameterTypes( MJIEnv env, int objRef, MethodInfo mi) {
264 ThreadInfo ti = env.getThreadInfo();
265 String[] argTypeNames = mi.getArgumentGenericTypeNames();
266 int[] ar = new int[argTypeNames.length];
268 for (int i = 0; i < argTypeNames.length; i++) {
269 // Change this into just the generic class type if it is a generic class
270 if (Types.isGenericSignature(argTypeNames[i])) {
271 if (Types.isArraySignature(argTypeNames[i])) {
273 ar[i] = getGenericArrayTypeImplObj(argTypeNames[i], env, objRef, mi);
275 ar[i] = getParameterizedTypeImplObj(argTypeNames[i], env, objRef, mi);
278 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(argTypeNames[i]);
279 if (!ci.isRegistered()) {
280 ci.registerClass(ti);
282 ar[i] = ci.getClassObjectRef();
285 int aRef = env.newObjectArray("Ljava/lang/reflect/Type;", argTypeNames.length);
286 for (int i = 0; i < argTypeNames.length; i++) {
287 env.setReferenceArrayElement(aRef, i, ar[i]);
294 public int getGenericParameterTypes_____3Ljava_lang_reflect_Type_2 (MJIEnv env, int objRef){
295 return getGenericParameterTypes(env, objRef, getMethodInfo(env, objRef));
299 public int getGenericReturnType____Ljava_lang_reflect_Type_2 (MJIEnv env, int objRef){
300 MethodInfo mi = getMethodInfo(env, objRef);
301 ThreadInfo ti = env.getThreadInfo();
304 if (Types.isGenericSignature(mi.getGenericReturnTypeName())) {
305 if (Types.isArraySignature(mi.getGenericReturnTypeName())) {
307 retRef = getGenericArrayTypeImplObj(mi.getGenericReturnTypeName(), env, objRef, mi);
309 retRef = getParameterizedTypeImplObj(mi.getGenericReturnTypeName(), env, objRef, mi);
312 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(mi.getReturnTypeName());
313 if (!ci.isRegistered()) {
314 ci.registerClass(ti);
316 retRef = ci.getClassObjectRef();
321 // TODO: Fix for Groovy's model-checking
322 // TODO: We have been able to only register the generic class and not yet the parameterized types
324 int getExceptionTypes(MJIEnv env, MethodInfo mi) {
325 ThreadInfo ti = env.getThreadInfo();
326 String[] exceptionNames = mi.getThrownExceptionClassNames();
328 if (exceptionNames == null) {
329 exceptionNames = new String[0];
332 int[] ar = new int[exceptionNames.length];
334 for (int i = 0; i < exceptionNames.length; i++) {
335 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(exceptionNames[i]);
336 if (!ci.isRegistered()) {
337 ci.registerClass(ti);
340 ar[i] = ci.getClassObjectRef();
343 int aRef = env.newObjectArray("Ljava/lang/Class;", exceptionNames.length);
344 for (int i = 0; i < exceptionNames.length; i++) {
345 env.setReferenceArrayElement(aRef, i, ar[i]);
352 public int getExceptionTypes_____3Ljava_lang_Class_2 (MJIEnv env, int objRef) {
353 return getExceptionTypes(env, getMethodInfo(env, objRef));
357 public int getDefaultValue____Ljava_lang_Object_2(MJIEnv env, int objRef) {
358 MethodInfo mi = getMethodInfo(env, objRef);
359 ClassInfo ci = mi.getClassInfo();
360 if(!ci.isInterface() || ci.getDirectInterfaceNames() == null || ci.getDirectInterfaceNames().length != 1 || !ci.getDirectInterfaceNames()[0].equals("java.lang.annotation.Annotation")) {
363 String annotationName = ci.getName();
364 AnnotationInfo ai = ci.getClassLoaderInfo().getResolvedAnnotationInfo(annotationName);
365 Object o = ai.getValue(mi.getName());
370 return env.liftNativeAnnotationValue(Types.getTypeName(mi.getReturnType()), o);
371 } catch(ClinitRequired e) {
372 env.handleClinitRequest(e.getRequiredClassInfo());
378 public int getReturnType____Ljava_lang_Class_2 (MJIEnv env, int objRef){
379 MethodInfo mi = getMethodInfo(env, objRef);
380 ThreadInfo ti = env.getThreadInfo();
382 ClassInfo ci = ClassLoaderInfo.getCurrentResolvedClassInfo(mi.getReturnTypeName());
383 if (!ci.isRegistered()) {
384 ci.registerClass(ti);
387 return ci.getClassObjectRef();
391 public int getDeclaringClass____Ljava_lang_Class_2 (MJIEnv env, int objRef){
392 MethodInfo mi = getMethodInfo(env, objRef);
393 ClassInfo ci = mi.getClassInfo();
394 // it's got to be registered, otherwise we wouldn't be able to acquire the Method object
395 return ci.getClassObjectRef();
398 static int createBoxedReturnValueObject (MJIEnv env, MethodInfo mi, DirectCallStackFrame frame) {
399 byte rt = mi.getReturnTypeCode();
400 int ret = MJIEnv.NULL;
404 if (rt == Types.T_DOUBLE) {
405 attr = frame.getLongResultAttr();
406 double v = frame.getDoubleResult();
407 ret = env.newObject(ClassLoaderInfo.getSystemResolvedClassInfo("java.lang.Double"));
408 rei = env.getModifiableElementInfo(ret);
409 rei.setDoubleField("value", v);
410 } else if (rt == Types.T_FLOAT) {
411 attr = frame.getResultAttr();
412 float v = frame.getFloatResult();
413 ret = env.newObject(ClassLoaderInfo.getSystemResolvedClassInfo("java.lang.Float"));
414 rei = env.getModifiableElementInfo(ret);
415 rei.setFloatField("value", v);
416 } else if (rt == Types.T_LONG) {
417 attr = frame.getLongResultAttr();
418 long v = frame.getLongResult();
419 ret = env.valueOfLong(v);
420 } else if (rt == Types.T_BYTE) {
421 attr = frame.getResultAttr();
422 int v = frame.getResult();
423 ret = env.valueOfByte((byte)v);
424 } else if (rt == Types.T_CHAR) {
425 attr = frame.getResultAttr();
426 int v = frame.getResult();
427 ret = env.valueOfCharacter((char)v);
428 } else if (rt == Types.T_SHORT) {
429 attr = frame.getResultAttr();
430 int v = frame.getResult();
431 ret = env.valueOfShort((short)v);
432 } else if (rt == Types.T_INT) {
433 attr = frame.getResultAttr();
434 int v = frame.getResult();
435 ret = env.valueOfInteger(v);
436 } else if (rt == Types.T_BOOLEAN) {
437 attr = frame.getResultAttr();
438 int v = frame.getResult();
439 ret = env.valueOfBoolean((v == 1)? true: false);
440 } else if (mi.isReferenceReturnType()){
441 attr = frame.getResultAttr();
442 ret = frame.getReferenceResult();
445 env.setReturnAttribute(attr);
449 static boolean pushUnboxedArguments (MJIEnv env, MethodInfo mi, DirectCallStackFrame frame, int argIdx, int argsRef) {
451 ClassInfo sourceClass;
452 String destTypeNames[];
453 int nArgs, passedCount, sourceRef;
454 byte sourceType, destTypes[];
456 destTypes = mi.getArgumentTypes();
457 destTypeNames = mi.getArgumentTypeNames();
458 nArgs = destTypeNames.length;
460 // according to the API docs, passing null instead of an empty array is allowed for no args
461 passedCount = (argsRef != MJIEnv.NULL) ? env.getArrayLength(argsRef) : 0;
463 if (nArgs != passedCount) {
464 env.throwException(IllegalArgumentException.class.getName(), "Wrong number of arguments passed. Actual = " + passedCount + ". Expected = " + nArgs);
468 for (int i = 0; i < nArgs; i++) {
469 sourceRef = env.getReferenceArrayElement(argsRef, i);
471 // we have to handle null references explicitly
472 if (sourceRef == MJIEnv.NULL) {
473 if ((destTypes[i] != Types.T_REFERENCE) && (destTypes[i] != Types.T_ARRAY)) {
474 env.throwException(IllegalArgumentException.class.getName(), "Wrong argument type at index " + i + ". Actual = (null). Expected = " + destTypeNames[i]);
478 frame.pushRef(MJIEnv.NULL);
482 source = env.getElementInfo(sourceRef);
483 sourceClass = source.getClassInfo();
484 sourceType = getSourceType( sourceClass, destTypes[i], destTypeNames[i]);
486 Object attr = env.getElementInfo(argsRef).getFields().getFieldAttr(i);
487 if ((argIdx = pushArg( argIdx, frame, source, sourceType, destTypes[i], attr)) < 0 ){
488 env.throwException(IllegalArgumentException.class.getName(), "Wrong argument type at index " + i + ". Source Class = " + sourceClass.getName() + ". Dest Class = " + destTypeNames[i]);
496 // this returns the primitive type in case we have to unbox, and otherwise checks reference type compatibility
497 private static byte getSourceType (ClassInfo ciArgVal, byte destType, String destTypeName){
500 case Types.T_BOOLEAN:
508 return Types.getUnboxedType(ciArgVal.getName());
511 case Types.T_REFERENCE: // check if the source type is assignment compatible with the destType
512 if (ciArgVal.isInstanceOf(destTypeName)){
520 // do the proper type conversion - Java is pretty forgiving here and does
521 // not throw exceptions upon value truncation
522 private static int pushArg( int argIdx, DirectCallStackFrame frame, ElementInfo eiArg, byte srcType, byte destType, Object attr){
526 double v = eiArg.getDoubleField("value");
527 if (destType == Types.T_DOUBLE){
528 return frame.setDoubleArgument( argIdx, v, attr);
532 case Types.T_FLOAT: // covers float, double
534 float v = eiArg.getFloatField("value");
537 return frame.setFloatArgument( argIdx, v, attr);
539 return frame.setDoubleArgument( argIdx, v, attr);
545 long v = eiArg.getLongField("value");
548 return frame.setLongArgument(argIdx, v, attr);
550 return frame.setFloatArgument(argIdx, v, attr);
552 return frame.setDoubleArgument( argIdx, v, attr);
558 int v = eiArg.getIntField("value");
561 return frame.setArgument( argIdx, v, attr);
563 return frame.setLongArgument( argIdx, v, attr);
565 return frame.setFloatArgument(argIdx, v, attr);
567 return frame.setDoubleArgument( argIdx, v, attr);
573 int v = eiArg.getShortField("value");
577 return frame.setArgument( argIdx, v, attr);
579 return frame.setLongArgument( argIdx, v, attr);
581 return frame.setFloatArgument(argIdx, v, attr);
583 return frame.setDoubleArgument( argIdx, v, attr);
589 byte v = eiArg.getByteField("value");
594 return frame.setArgument( argIdx, v, attr);
596 return frame.setLongArgument( argIdx, v, attr);
598 return frame.setFloatArgument(argIdx, v, attr);
600 return frame.setDoubleArgument( argIdx, v, attr);
606 char v = eiArg.getCharField("value");
610 return frame.setArgument( argIdx, v, attr);
612 return frame.setLongArgument( argIdx, v, attr);
614 return frame.setFloatArgument(argIdx, v, attr);
616 return frame.setDoubleArgument( argIdx, v, attr);
620 case Types.T_BOOLEAN:
622 boolean v = eiArg.getBooleanField("value");
623 if (destType == Types.T_BOOLEAN){
624 return frame.setArgument( argIdx, v ? 1 : 0, attr);
630 int ref = eiArg.getObjectRef();
631 if (destType == Types.T_ARRAY){
632 return frame.setReferenceArgument( argIdx, ref, attr);
636 case Types.T_REFERENCE:
638 int ref = eiArg.getObjectRef();
639 if (destType == Types.T_REFERENCE){
640 return frame.setReferenceArgument( argIdx, ref, attr);
651 public int invoke__Ljava_lang_Object_2_3Ljava_lang_Object_2__Ljava_lang_Object_2 (MJIEnv env, int mthRef, int objRef, int argsRef) {
652 ThreadInfo ti = env.getThreadInfo();
653 MethodInfo miCallee = getMethodInfo(env, mthRef);
654 ClassInfo calleeClass = miCallee.getClassInfo();
655 DirectCallStackFrame frame = ti.getReturnedDirectCall();
657 if (frame == null){ // first time
659 //--- check the instance we are calling on
660 if (!miCallee.isStatic()) {
661 if (objRef == MJIEnv.NULL){
662 env.throwException("java.lang.NullPointerException");
666 ElementInfo eiObj = ti.getElementInfo(objRef);
667 ClassInfo objClass = eiObj.getClassInfo();
669 if (!objClass.isInstanceOf(calleeClass)) {
670 env.throwException(IllegalArgumentException.class.getName(), "Object is not an instance of declaring class. Actual = " + objClass + ". Expected = " + calleeClass);
676 //--- check accessibility
677 ElementInfo eiMth = ti.getElementInfo(mthRef);
678 if (! (Boolean) eiMth.getFieldValueObject("isAccessible")) {
679 StackFrame caller = ti.getTopFrame().getPrevious();
680 ClassInfo callerClass = caller.getClassInfo();
682 if (callerClass != calleeClass) {
683 env.throwException(IllegalAccessException.class.getName(), "Class " + callerClass.getName() +
684 " can not access a member of class " + calleeClass.getName()
685 + " with modifiers \"" + Modifier.toString(miCallee.getModifiers()));
690 //--- push the direct call
691 frame = miCallee.createDirectCallStackFrame(ti, 0);
692 frame.setReflection();
695 if (!miCallee.isStatic()) {
696 frame.setReferenceArgument( argOffset++, objRef, null);
698 if (!pushUnboxedArguments( env, miCallee, frame, argOffset, argsRef)) {
699 // we've got a IllegalArgumentException
705 //--- check for and push required clinits
706 if (miCallee.isStatic()){
707 calleeClass.initializeClass(ti);
710 return MJIEnv.NULL; // reexecute
712 } else { // we have returned from the direct call
713 return createBoxedReturnValueObject( env, miCallee, frame);
718 // this one has to collect annotations upwards in the inheritance chain
719 static int getAnnotations (MJIEnv env, MethodInfo mi){
720 String mname = mi.getName();
721 String msig = mi.genericSignature;
722 ArrayList<AnnotationInfo> aiList = new ArrayList<AnnotationInfo>();
724 // our own annotations
725 ClassInfo ci = mi.getClassInfo();
726 for (AnnotationInfo ai : mi.getAnnotations()) {
730 // our superclass annotations
731 for (ci = ci.getSuperClass(); ci != null; ci = ci.getSuperClass()){
732 mi = ci.getMethod(mname, msig, false);
734 for (AnnotationInfo ai: mi.getAnnotations()){
741 return env.newAnnotationProxies(aiList.toArray(new AnnotationInfo[aiList.size()]));
742 } catch (ClinitRequired x){
743 env.handleClinitRequest(x.getRequiredClassInfo());
749 public int getAnnotations_____3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
750 return getAnnotations( env, getMethodInfo(env,mthRef));
753 // the following ones consist of a package default implementation that is shared with
754 // the constructor peer, and a public model method
755 static int getAnnotation (MJIEnv env, MethodInfo mi, int annotationClsRef){
756 ClassInfo aci = env.getReferredClassInfo(annotationClsRef);
758 AnnotationInfo ai = mi.getAnnotation(aci.getName());
760 ClassInfo aciProxy = aci.getAnnotationProxy();
762 return env.newAnnotationProxy(aciProxy, ai);
763 } catch (ClinitRequired x){
764 env.handleClinitRequest(x.getRequiredClassInfo());
773 public int getAnnotation__Ljava_lang_Class_2__Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef, int annotationClsRef) {
774 return getAnnotation(env, getMethodInfo(env,mthRef), annotationClsRef);
777 static int getDeclaredAnnotations (MJIEnv env, MethodInfo mi){
778 AnnotationInfo[] ai = mi.getAnnotations();
781 return env.newAnnotationProxies(ai);
782 } catch (ClinitRequired x){
783 env.handleClinitRequest(x.getRequiredClassInfo());
789 public int getDeclaredAnnotations_____3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
790 return getDeclaredAnnotations( env, getMethodInfo(env,mthRef));
793 static int getParameterAnnotations (MJIEnv env, MethodInfo mi){
794 AnnotationInfo[][] pa = mi.getParameterAnnotations();
795 // this should always return an array object, even if the method has no arguments
798 int paRef = env.newObjectArray("[Ljava/lang/annotation/Annotation;", pa.length);
800 for (int i=0; i<pa.length; i++){
801 int eRef = env.newAnnotationProxies(pa[i]);
802 env.setReferenceArrayElement(paRef, i, eRef);
807 } catch (ClinitRequired x){ // be prepared that we might have to initialize respective annotation classes
808 env.handleClinitRequest(x.getRequiredClassInfo());
814 public int getParameterAnnotations_____3_3Ljava_lang_annotation_Annotation_2 (MJIEnv env, int mthRef){
815 return getParameterAnnotations( env, getMethodInfo(env,mthRef));
819 public int toString____Ljava_lang_String_2 (MJIEnv env, int objRef){
820 StringBuilder sb = new StringBuilder();
822 MethodInfo mi = getMethodInfo(env, objRef);
824 sb.append(Modifier.toString(mi.getModifiers()));
827 sb.append(mi.getReturnTypeName());
830 sb.append(mi.getClassName());
833 sb.append(mi.getName());
837 String[] at = mi.getArgumentTypeNames();
838 for (int i=0; i<at.length; i++){
839 if (i>0) sb.append(',');
845 int sref = env.newString(sb.toString());
850 public boolean equals__Ljava_lang_Object_2__Z (MJIEnv env, int objRef, int mthRef){
851 ElementInfo ei = env.getElementInfo(mthRef);
852 ClassInfo ci = ClassLoaderInfo.getSystemResolvedClassInfo(JPF_java_lang_Class.METHOD_CLASSNAME);
854 if (ei.getClassInfo() == ci){
855 MethodInfo mi1 = getMethodInfo(env, objRef);
856 MethodInfo mi2 = getMethodInfo(env, mthRef);
857 if (mi1.getClassInfo() == mi2.getClassInfo()){
858 if (mi1.getName().equals(mi2.getName())){
859 if (mi1.getReturnType().equals(mi2.getReturnType())){
860 byte[] params1 = mi1.getArgumentTypes();
861 byte[] params2 = mi2.getArgumentTypes();
862 if (params1.length == params2.length){
863 for (int i = 0; i < params1.length; i++){
864 if (params1[i] != params2[i]){
878 public int hashCode____I (MJIEnv env, int objRef){
879 MethodInfo mi = getMethodInfo(env, objRef);
880 return mi.getClassName().hashCode() ^ mi.getName().hashCode();