-
Notifications
You must be signed in to change notification settings - Fork 959
/
IOSConcreteClass.m
313 lines (280 loc) · 10.7 KB
/
IOSConcreteClass.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
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
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
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// IOSConcreteClass.m
// JreEmulation
//
// Created by Keith Stanger on 8/16/13.
//
#import "IOSConcreteClass.h"
#import "IOSReflection.h"
#import "JavaMetadata.h"
#import "java/lang/ClassCastException.h"
#import "java/lang/Enum.h"
#import "java/lang/InstantiationException.h"
#import "java/lang/NoSuchMethodException.h"
#import "java/lang/Void.h"
#import "java/lang/reflect/Constructor.h"
#import "java/lang/reflect/Method.h"
#import "java/lang/reflect/Modifier.h"
#import "objc/runtime.h"
@interface IOSConcreteClass () {
_Atomic(IOSObjectArray *) interfaces_;
}
@end
@implementation IOSConcreteClass
@synthesize objcClass = class_;
- (instancetype)initWithClass:(Class)cls {
if ((self = [super init])) {
class_ = cls;
}
return self;
}
- (id)newInstance {
// Per the JLS spec, throw an InstantiationException if the type is an
// interface (no class_), array or primitive type (IOSClass types), or void.
if ([class_ isKindOfClass:[IOSClass class]] || [class_ isMemberOfClass:[JavaLangVoid class]]) {
@throw AUTORELEASE([[JavaLangInstantiationException alloc] init]);
}
return AUTORELEASE([[class_ alloc] init]);
}
- (IOSClass *)getSuperclass {
// Number and Throwable are special cases where their superclass doesn't match Java's.
if (strcmp("NSNumber", class_getName(class_)) == 0
|| strcmp("JavaLangThrowable", class_getName(class_)) == 0) {
return NSObject_class_();
}
Class superclass = [class_ superclass];
if (superclass != nil) {
return IOSClass_fromClass(superclass);
}
return nil;
}
- (jboolean)isInstance:(id)object {
return [object isKindOfClass:class_];
}
- (NSString *)getName {
JavaClassMetadata *metadata = [self getMetadata];
return metadata ? [metadata qualifiedName] : NSStringFromClass(class_);
}
- (NSString *)getSimpleName {
JavaClassMetadata *metadata = [self getMetadata];
return metadata ? metadata.typeName : NSStringFromClass(class_);
}
- (NSString *)objcName {
return NSStringFromClass(class_);
}
- (jboolean)isAssignableFrom:(IOSClass *)cls {
return class_ == [NSObject class] ? ![cls isPrimitive] : [cls.objcClass isSubclassOfClass:class_];
}
- (jboolean)isEnum {
JavaClassMetadata *metadata = [self getMetadata];
if (metadata) {
return (metadata.modifiers & JavaLangReflectModifier_ENUM) > 0 &&
[self getSuperclass] == JavaLangEnum_class_();
} else {
return class_ != nil && strcmp(class_getName(class_getSuperclass(class_)), "JavaLangEnum") == 0;
}
}
- (jboolean)isAnonymousClass {
JavaClassMetadata *metadata = [self getMetadata];
if (metadata) {
return (metadata.modifiers & 0x8000) > 0;
}
return false;
}
static jboolean IsConstructor(NSString *name) {
return [name isEqualToString:@"init"] || [name hasPrefix:@"initWith"];
}
// Returns true if the parameter and return types are all Objective-C
// classes or primitive types.
static jboolean IsValidMethod(ExecutableMember *method) {
if (!validTypeEncoding([method.signature methodReturnType])) {
return false;
}
NSUInteger nArgs = [method.signature numberOfArguments];
// Check each argument type, skipping the self and selector arguments.
for (NSUInteger i = 2; i < nArgs; i++) {
if (!validTypeEncoding([method.signature getArgumentTypeAtIndex:i])) {
return false;
}
}
return true;
}
static void CreateMethodWrappers(
Method *methods, unsigned count, IOSClass* clazz, NSMutableDictionary *map,
jboolean publicOnly, jboolean classMethods,
id (^methodCreator)(NSMethodSignature *, SEL, jboolean)) {
for (NSUInteger i = 0; i < count; i++) {
Method method = methods[i];
SEL sel = method_getName(method);
NSString *key = NSStringFromSelector(sel);
if ([map objectForKey:key]) {
continue;
}
NSMethodSignature *methodSignature = JreSignatureOrNull(method_getDescription(method));
if (!methodSignature) {
continue;
}
ExecutableMember *wrapper = methodCreator(methodSignature, sel, classMethods);
if (wrapper) {
if (publicOnly && ([wrapper getModifiers] & JavaLangReflectModifier_PUBLIC) == 0) {
continue;
}
if (!IsValidMethod(wrapper)) {
continue;
}
[map setObject:wrapper forKey:key];
}
}
}
static void CollectMethodsOrConstructors(
IOSConcreteClass *iosClass, NSMutableDictionary *methods, jboolean publicOnly,
id (^methodCreator)(NSMethodSignature *, SEL, jboolean)) {
unsigned int nInstanceMethods, nClassMethods;
// Copy first the instance, then the class methods into a combined
// array of IOSMethod instances. Method ordering is not defined or
// important.
Method *instanceMethods = class_copyMethodList(iosClass->class_, &nInstanceMethods);
CreateMethodWrappers(
instanceMethods, nInstanceMethods, iosClass, methods, publicOnly, false, methodCreator);
Method *classMethods = class_copyMethodList(object_getClass(iosClass->class_), &nClassMethods);
CreateMethodWrappers(
classMethods, nClassMethods, iosClass, methods, publicOnly, true, methodCreator);
free(instanceMethods);
free(classMethods);
}
- (void)collectMethods:(NSMutableDictionary *)methodMap
publicOnly:(jboolean)publicOnly {
JavaClassMetadata *metadata = [self getMetadata];
CollectMethodsOrConstructors(
self, methodMap, publicOnly, ^ id (NSMethodSignature *signature, SEL sel, jboolean isStatic) {
NSString *selStr = NSStringFromSelector(sel);
if (!IsConstructor(selStr)) {
JavaMethodMetadata *methodMetadata = [metadata findMethodMetadata:selStr];
if (metadata && !methodMetadata) {
return nil; // Selector not in method list.
}
return [JavaLangReflectMethod methodWithMethodSignature:signature
selector:sel
class:self
isStatic:isStatic
metadata:methodMetadata];
}
return nil;
});
}
IOSObjectArray *getConstructorsImpl(IOSConcreteClass *clazz, jboolean publicOnly) {
JavaClassMetadata *metadata = [clazz getMetadata];
NSMutableDictionary *methodMap = [NSMutableDictionary dictionary];
CollectMethodsOrConstructors(
clazz, methodMap, publicOnly,
^ id (NSMethodSignature *signature, SEL sel, jboolean isStatic) {
if (IsConstructor(NSStringFromSelector(sel))) {
NSString *selStr = NSStringFromSelector(sel);
JavaMethodMetadata *methodMetadata = [metadata findMethodMetadata:selStr];
if (metadata && !methodMetadata) {
return nil; // Selector not in method list.
}
return [JavaLangReflectConstructor constructorWithMethodSignature:signature
selector:sel
class:clazz
metadata:methodMetadata];
}
return nil;
});
return [IOSObjectArray arrayWithNSArray:[methodMap allValues]
type:JavaLangReflectConstructor_class_()];
}
- (IOSObjectArray *)getDeclaredConstructors {
return getConstructorsImpl(self, false);
}
- (IOSObjectArray *)getConstructors {
return getConstructorsImpl(self, true);
}
- (JavaLangReflectMethod *)findMethodWithTranslatedName:(NSString *)objcName
checkSupertypes:(jboolean)checkSupertypes {
const char *name = [objcName UTF8String];
jboolean isStatic = false;
Method method = JreFindInstanceMethod(class_, name);
if (!method) {
method = JreFindClassMethod(class_, name);
isStatic = true;
}
if (!method) {
return nil;
}
NSMethodSignature *signature = JreSignatureOrNull(method_getDescription(method));
if (!signature) {
return nil;
}
JavaClassMetadata *metadata = [self getMetadata];
return [JavaLangReflectMethod methodWithMethodSignature:signature
selector:method_getName(method)
class:self
isStatic:isStatic
metadata:[metadata findMethodMetadata:objcName]];
}
static JavaLangReflectConstructor *GetConstructorImpl(
IOSConcreteClass *iosClass, NSString *name) {
Method method = JreFindInstanceMethod(iosClass->class_, [name UTF8String]);
if (method) {
NSMethodSignature *signature = JreSignatureOrNull(method_getDescription(method));
if (signature) {
JavaClassMetadata *metadata = [iosClass getMetadata];
return [JavaLangReflectConstructor
constructorWithMethodSignature:signature
selector:method_getName(method)
class:iosClass
metadata:[metadata findMethodMetadata:name]];
}
}
@throw AUTORELEASE([[JavaLangNoSuchMethodException alloc] init]);
}
- (JavaLangReflectConstructor *)getConstructor:(IOSObjectArray *)parameterTypes {
JavaLangReflectConstructor *c =
GetConstructorImpl(self, IOSClass_GetTranslatedMethodName(nil, @"init", parameterTypes));
if (([c getModifiers] & JavaLangReflectModifier_PUBLIC) > 0) {
return c;
}
@throw AUTORELEASE([[JavaLangNoSuchMethodException alloc] init]);
}
- (JavaLangReflectConstructor *)getDeclaredConstructor:(IOSObjectArray *)parameterTypes {
return
GetConstructorImpl(self, IOSClass_GetTranslatedMethodName(nil, @"init", parameterTypes));
}
- (JavaLangReflectConstructor *)findConstructorWithTranslatedName:(NSString *)selector {
return GetConstructorImpl(self, selector);
}
- (IOSObjectArray *)getInterfacesInternal {
IOSObjectArray *result = __c11_atomic_load(&interfaces_, __ATOMIC_ACQUIRE);
if (!result) {
@synchronized(self) {
result = __c11_atomic_load(&interfaces_, __ATOMIC_RELAXED);
if (!result) {
unsigned int count;
Protocol **protocolList = class_copyProtocolList(class_, &count);
result = IOSClass_NewInterfacesFromProtocolList(protocolList, count);
__c11_atomic_store(&interfaces_, result, __ATOMIC_RELEASE);
free(protocolList);
}
}
}
return result;
}
#if ! __has_feature(objc_arc)
- (void)dealloc {
[class_ release];
[super dealloc];
}
#endif
@end