Updated nullability annotations in jre_emul's native headers.

PiperOrigin-RevId: 733856216

jre_emul/Classes/IOSArray.h

@@ -29,6 +29,7 @@
  * An abstract class that represents a Java array.  Like a Java array,
  * an IOSArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSArray<__covariant ObjectType> : NSMutableArray<ObjectType> {
  @public
   /**
@@ -59,6 +60,7 @@
 - (void *)buffer;
 
 @end
+NS_ASSUME_NONNULL_END
 
 CF_EXTERN_C_BEGIN
 void IOSArray_throwOutOfBoundsWithMsg(jint size, jint index);

jre_emul/Classes/IOSArrayClass.h

@@ -24,6 +24,7 @@
 
 #import "IOSClass.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSArrayClass : IOSClass {
   // An IOSClass is used instead of a Class so a IOSPrimitiveClass can be used.
   IOSClass *componentType_;
@@ -32,5 +33,6 @@
 - (instancetype)initWithComponentType:(IOSClass *)type;
 
 @end
+NS_ASSUME_NONNULL_END
 
 #endif // _IOSArrayClass_H_

jre_emul/Classes/IOSClass.h

@@ -45,6 +45,7 @@
  * instances: those representing real classes and interfaces, those
  * representing primitive types, and those representing array classes.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSClass : NSObject <JavaLangReflectAnnotatedElement,
     JavaLangReflectGenericDeclaration, JavaIoSerializable,
     JavaLangReflectType, NSCopying> {
@@ -99,17 +100,17 @@
 
 // Class.getMethod(String, Class...)
 - (JavaLangReflectMethod *)getMethod:(NSString *)name
-                      parameterTypes:(IOSObjectArray *)types;
+                      parameterTypes:(nullable IOSObjectArray *)types;
 
 // Class.getDeclaredMethod(String, Class...)
 - (JavaLangReflectMethod *)getDeclaredMethod:(NSString *)name
-                              parameterTypes:(IOSObjectArray *)types;
+                              parameterTypes:(nullable IOSObjectArray *)types;
 
 // Class.getDeclaredConstructor(Class...)
-- (JavaLangReflectConstructor *)getDeclaredConstructor:(IOSObjectArray *)types;
+- (JavaLangReflectConstructor *)getDeclaredConstructor:(nullable IOSObjectArray *)types;
 
 // Class.getConstructor(Class)
-- (JavaLangReflectConstructor *)getConstructor:(IOSObjectArray *)types;
+- (JavaLangReflectConstructor *)getConstructor:(nullable IOSObjectArray *)types;
 
 // Class.getConstructors()
 - (IOSObjectArray *)getConstructors;
@@ -130,10 +131,10 @@
 + (IOSClass *)forName:(NSString *)className;
 + (IOSClass *)forName:(NSString *)className
            initialize:(jboolean)load
-          classLoader:(JavaLangClassLoader *)loader;
+          classLoader:(nullable JavaLangClassLoader *)loader;
 
 // Class.cast(Object)
-- (id)cast:(id)throwable;
+- (id)cast:(nullable id)throwable;
 
 // Class.getEnclosingClass()
 - (IOSClass *)getEnclosingClass;
@@ -154,9 +155,8 @@
 - (IOSObjectArray *)getGenericInterfaces;
 - (IOSObjectArray *)getTypeParameters;
 
-- (id<JavaLangAnnotationAnnotation>)
-      getAnnotationWithIOSClass:(IOSClass *)annotationClass;
-- (jboolean)isAnnotationPresentWithIOSClass:(IOSClass *)annotationType;
+- (id<JavaLangAnnotationAnnotation>)getAnnotationWithIOSClass:(nullable IOSClass *)annotationClass;
+- (jboolean)isAnnotationPresentWithIOSClass:(nullable IOSClass *)annotationType;
 - (IOSObjectArray *)getAnnotations;
 - (IOSObjectArray *)getDeclaredAnnotations;
 - (id<JavaLangAnnotationAnnotation>)
@@ -212,6 +212,7 @@
 - (IOSObjectArray *)getEnumConstantsShared;
 
 @end
+NS_ASSUME_NONNULL_END
 
 CF_EXTERN_C_BEGIN
 

jre_emul/Classes/IOSConcreteClass.h

@@ -23,6 +23,7 @@
 #import "IOSClass.h"
 #import "IOSMetadata.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSConcreteClass : IOSClass {
   Class class_;
 }
@@ -32,5 +33,6 @@
 - (instancetype)initWithClass:(Class)cls;
 
 @end
+NS_ASSUME_NONNULL_END
 
 #endif // _IOSConcreteClass_H_

jre_emul/Classes/IOSObjectArray.h

@@ -31,7 +31,8 @@
  * An emulation class that represents a Java object array.  Like a Java array,
  * an IOSObjectArray is fixed-size but its elements are mutable.
  */
-@interface IOSObjectArray<__covariant ObjectType> : IOSArray<ObjectType> {
+NS_ASSUME_NONNULL_BEGIN
+@interface IOSObjectArray<__covariant ObjectType> : IOSArray <ObjectType> {
  @public
   /**
    * The type of elements in this array.
@@ -46,15 +47,15 @@
   ObjectType __strong buffer_[0] __attribute__((aligned(__alignof__(volatile_id))));
 }
 
-@property (readonly) IOSClass *elementType;
+@property(readonly) IOSClass *elementType;
 
 /** Create an array from a C object array, length, and type. */
-+ (instancetype)newArrayWithObjects:(const ObjectType *)objects
++ (instancetype)newArrayWithObjects:(const _Nonnull ObjectType *_Nonnull)objects
                               count:(NSUInteger)count
                                type:(IOSClass *)type;
 
 /** Create an autoreleased array from a C object array, length, and type. */
-+ (instancetype)arrayWithObjects:(const ObjectType *)objects
++ (instancetype)arrayWithObjects:(const _Nonnull ObjectType *_Nonnull)objects
                            count:(NSUInteger)count
                             type:(IOSClass *)type;
 
@@ -101,18 +102,19 @@
  * @throws IndexOutOfBoundsException
  * if the specified length is greater than the array size.
  */
-- (void)getObjects:(NSObject **)buffer length:(NSUInteger)length;
+- (void)getObjects:(NSObject *_Nonnull *_Nonnull)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * Gets element at a specified index, functional equivalent to objectAtIndex:.
  * @throws IndexOutOfBoundsException
  * if index is out of range
  * @return the element at index.
  */
-__attribute__((always_inline)) inline id IOSObjectArray_Get(
-    __unsafe_unretained IOSObjectArray *array, jint index) {
+__attribute__((always_inline)) inline id _Nullable IOSObjectArray_Get(
+    __unsafe_unretained IOSObjectArray *_Nonnull array, jint index) {
   IOSArray_checkIndex(array->size_, index);
   return ALWAYS_RETAINED_AUTORELEASED_RETURN_VALUE(array->buffer_[index]);
 }
@@ -123,7 +125,8 @@ __attribute__((always_inline)) inline id IOSObjectArray_Get(
  * if index is out of range
  * @return the replacement object.
  */
-FOUNDATION_EXPORT id IOSObjectArray_Set(IOSObjectArray *array, NSUInteger index, id value);
+FOUNDATION_EXPORT id _Nullable IOSObjectArray_Set(IOSObjectArray *_Nonnull array, NSUInteger index,
+                                                  id _Nullable value);
 
 /**
  * Sets element at a specified index, same as IOSObjectArray_Set(), but this function
@@ -132,22 +135,24 @@ FOUNDATION_EXPORT id IOSObjectArray_Set(IOSObjectArray *array, NSUInteger index,
  * if index is out of range
  * @return the replacement object.
  */
-FOUNDATION_EXPORT id IOSObjectArray_SetAndConsume(IOSObjectArray *array, NSUInteger index,
-                                                  id __attribute__((ns_consumed)) value);
+FOUNDATION_EXPORT id _Nullable IOSObjectArray_SetAndConsume(IOSObjectArray *_Nonnull array,
+                                                            NSUInteger index,
+                                                            id _Nullable
+                                                            __attribute__((ns_consumed)) value);
 
 // Internal only. Provides a pointer to an element with the array itself.
 // Used for translating certain compound expressions.
 typedef struct JreArrayRef {
-  __unsafe_unretained IOSObjectArray *arr;
-  __strong id *pValue;
+  __unsafe_unretained IOSObjectArray *_Nonnull arr;
+  __strong id _Nonnull *_Nullable pValue;
 } JreArrayRef;
 
 // Internal only functions.
 __attribute__((always_inline)) inline JreArrayRef IOSObjectArray_GetRef(
-    __unsafe_unretained IOSObjectArray *array, jint index) {
+    __unsafe_unretained IOSObjectArray *_Nonnull array, jint index) {
   IOSArray_checkIndex(array->size_, index);
-  return (JreArrayRef){ .arr = array, .pValue = &array->buffer_[index] };
+  return (JreArrayRef){.arr = array, .pValue = &array->buffer_[index]};
 }
-FOUNDATION_EXPORT id IOSObjectArray_SetRef(JreArrayRef ref, id value);
+FOUNDATION_EXPORT id _Nullable IOSObjectArray_SetRef(JreArrayRef ref, id _Nullable value);
 
-#endif // IOSObjectArray_H
+#endif  // IOSObjectArray_H

jre_emul/Classes/IOSPrimitiveArray.h

@@ -51,6 +51,7 @@
  * An Objective-C representation of a Java boolean array. Like a Java array,
  * an IOSBooleanArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSBooleanArray : IOSArray<JavaLangBoolean *> {
  @public
   /**
@@ -111,6 +112,7 @@
 - (void)getBooleans:(jboolean *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the boolean at the specified index.
@@ -139,6 +141,7 @@ __attribute__((always_inline)) inline jboolean *IOSBooleanArray_GetRef(
  * An Objective-C representation of a Java char array. Like a Java array,
  * an IOSCharArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSCharArray : IOSArray<JavaLangCharacter *> {
  @public
   /**
@@ -204,6 +207,7 @@ __attribute__((always_inline)) inline jboolean *IOSBooleanArray_GetRef(
 + (instancetype)arrayWithNSString:(NSString *)string;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the char at the specified index.
@@ -232,6 +236,7 @@ __attribute__((always_inline)) inline jchar *IOSCharArray_GetRef(
  * An Objective-C representation of a Java byte array. Like a Java array,
  * an IOSByteArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSByteArray : IOSArray<JavaLangByte *> {
  @public
   /**
@@ -311,6 +316,7 @@ __attribute__((always_inline)) inline jchar *IOSCharArray_GetRef(
 - (NSData *)toNSData;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the byte at the specified index.
@@ -339,6 +345,7 @@ __attribute__((always_inline)) inline jbyte *IOSByteArray_GetRef(
  * An Objective-C representation of a Java array of shorts. Like a Java array,
  * an IOSShortArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSShortArray : IOSArray<JavaLangShort *> {
  @public
   /**
@@ -399,6 +406,7 @@ __attribute__((always_inline)) inline jbyte *IOSByteArray_GetRef(
 - (void)getShorts:(jshort *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the short at the specified index.
@@ -427,6 +435,7 @@ __attribute__((always_inline)) inline jshort *IOSShortArray_GetRef(
  * An Objective-C representation of a Java int array. Like a Java array,
  * an IOSIntArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSIntArray : IOSArray<JavaLangInteger *> {
  @public
   /**
@@ -488,6 +497,7 @@ __attribute__((always_inline)) inline jshort *IOSShortArray_GetRef(
 - (void)getInts:(jint *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the int at the specified index.
@@ -516,6 +526,7 @@ __attribute__((always_inline)) inline jint *IOSIntArray_GetRef(
  * An Objective-C representation of a Java long array. Like a Java array,
  * an IOSLongArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSLongArray : IOSArray<JavaLangLong *> {
  @public
   /**
@@ -577,6 +588,7 @@ __attribute__((always_inline)) inline jint *IOSIntArray_GetRef(
 - (void)getLongs:(jlong *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the long at the specified index.
@@ -605,6 +617,7 @@ __attribute__((always_inline)) inline jlong *IOSLongArray_GetRef(
  * An Objective-C representation of a Java float array. Like a Java array,
  * an IOSFloatArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSFloatArray : IOSArray<JavaLangFloat *> {
  @public
   /**
@@ -665,6 +678,7 @@ __attribute__((always_inline)) inline jlong *IOSLongArray_GetRef(
 - (void)getFloats:(jfloat *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the float at the specified index.
@@ -693,6 +707,7 @@ __attribute__((always_inline)) inline jfloat *IOSFloatArray_GetRef(
  * An Objective-C representation of a Java double array. Like a Java array,
  * an IOSDoubleArray is fixed-size but its elements are mutable.
  */
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSDoubleArray : IOSArray<JavaLangDouble *> {
  @public
   /**
@@ -753,6 +768,7 @@ __attribute__((always_inline)) inline jfloat *IOSFloatArray_GetRef(
 - (void)getDoubles:(jdouble *)buffer length:(NSUInteger)length;
 
 @end
+NS_ASSUME_NONNULL_END
 
 /**
  * @brief Return the double at the specified index.

jre_emul/Classes/IOSPrimitiveClass.h

@@ -27,6 +27,7 @@
 // An IOSClass instance for primitive Java types, which allow primitives to
 // be used with Java reflection routines.  This class is minimal because Java
 // primitive types have/need little runtime support, other than their name.
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSPrimitiveClass : IOSClass {
   NSString *name_;
   NSString *type_;
@@ -38,5 +39,6 @@
 - (IOSClass *)wrapperClass;
 
 @end
+NS_ASSUME_NONNULL_END
 
 #endif // _IOSPrimitiveClass_H_

jre_emul/Classes/IOSProtocolClass.h

@@ -22,10 +22,12 @@
 
 #import "IOSClass.h"
 
+NS_ASSUME_NONNULL_BEGIN
 @interface IOSProtocolClass : IOSClass
 
 - (instancetype)initWithProtocol:(Protocol *)protocol;
 
 @end
+NS_ASSUME_NONNULL_END
 
 #endif // _IOSProtocolClass_H_

jre_emul/Classes/J2ObjC_common.h

@@ -260,8 +260,7 @@ J2OBJC_VOLATILE_ACCESS_DEFN(Double, jdouble)
  * @define J2OBJC_TYPE_LITERAL_HEADER
  * @param TYPE The name of the type to declare the accessor for.
  */
-#define J2OBJC_TYPE_LITERAL_HEADER(TYPE) \
-  FOUNDATION_EXPORT IOSClass *TYPE##_class_(void);
+#define J2OBJC_TYPE_LITERAL_HEADER(TYPE) FOUNDATION_EXPORT IOSClass *_Nonnull TYPE##_class_(void);
 
 /*!
  * Defines the type literal accessor for a class or enum type. This macro should
@@ -271,7 +270,7 @@ J2OBJC_VOLATILE_ACCESS_DEFN(Double, jdouble)
  * @param TYPE The name of the type to define the accessor for.
  */
 #define J2OBJC_CLASS_TYPE_LITERAL_SOURCE(TYPE) \
-  IOSClass *TYPE##_class_(void) {              \
+  IOSClass *_Nonnull TYPE##_class_(void) {     \
     static IOSClass *cls;                      \
     static dispatch_once_t token;              \
     TYPE##_initialize();                       \
@@ -289,7 +288,7 @@ J2OBJC_VOLATILE_ACCESS_DEFN(Double, jdouble)
  * @param TYPE The name of the type to define the accessor for.
  */
 #define J2OBJC_INTERFACE_TYPE_LITERAL_SOURCE(TYPE)  \
-  IOSClass *TYPE##_class_(void) {                   \
+  IOSClass *_Nonnull TYPE##_class_(void) {          \
     static IOSClass *cls;                           \
     static dispatch_once_t token;                   \
     TYPE##_initialize();                            \