jboolean rvmThrowClassCastException(Env* env, JClass* expectedType, JClass* actualType) {
const char* expectedTypeName = rvmGetHumanReadableClassName(env, expectedType);
if (!expectedTypeName) return FALSE;
const char* actualTypeName = rvmGetHumanReadableClassName(env, actualType);
if (!actualTypeName) return FALSE;
return rvmThrowNewf(env, java_lang_ClassCastException, "%s cannot be cast to %s", actualTypeName, expectedTypeName);
}
jboolean rvmThrowArrayStoreException(Env* env, JClass* elemType, JClass* arrayType) {
const char* elemTypeName = rvmGetHumanReadableClassName(env, elemType);
if (!elemTypeName) return FALSE;
const char* arrayTypeName = rvmGetHumanReadableClassName(env, arrayType);
if (!arrayTypeName) return FALSE;
return rvmThrowNewf(env, java_lang_ArrayStoreException,
"%s cannot be stored in an array of type %s", elemTypeName, arrayTypeName);
}
jvalue* validateAndUnwrapArgs(Env* env, ObjectArray* parameterTypes, ObjectArray* args) {
jint length = args->length;
jvalue* jvalueArgs = length > 0 ? (jvalue*) rvmAllocateMemory(env, sizeof(jvalue) * length) : emptyJValueArgs;
if (!jvalueArgs) return NULL;
jint i;
for (i = 0; i < length; i++) {
Object* arg = args->values[i];
Class* type = (Class*) parameterTypes->values[i];
if (CLASS_IS_PRIMITIVE(type)) {
if (arg == NULL) {
const char* typeName = rvmGetHumanReadableClassName(env, type);
if (typeName) {
rvmThrowNewf(env, java_lang_IllegalArgumentException,
"argument %d should have type %s, got null", i + 1, typeName);
}
return NULL;
}
if (!rvmUnbox(env, arg, type, &jvalueArgs[i])) {
if (rvmExceptionOccurred(env)->clazz == java_lang_ClassCastException) {
rvmExceptionClear(env);
const char* argTypeName = rvmGetHumanReadableClassName(env, arg->clazz);
const char* typeName = argTypeName ? rvmGetHumanReadableClassName(env, type) : NULL;
if (argTypeName && typeName) {
rvmThrowNewf(env, java_lang_IllegalArgumentException,
"argument %d should have type %s, got %s", i + 1, typeName, argTypeName);
}
}
return NULL;
}
} else {
if (arg && !rvmIsInstanceOf(env, arg, type)) {
const char* argTypeName = rvmGetHumanReadableClassName(env, arg->clazz);
const char* typeName = argTypeName ? rvmGetHumanReadableClassName(env, type) : NULL;
if (argTypeName && typeName) {
rvmThrowNewf(env, java_lang_IllegalArgumentException,
"argument %d should have type %s, got %s", i + 1, typeName, argTypeName);
}
return NULL;
}
jvalueArgs[i].l = (jobject) arg;
}
}
return jvalueArgs;
}
