| // Copyright 2015 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| #ifndef __GO_SEQ_HDR__ |
| #define __GO_SEQ_HDR__ |
| |
| #include <Foundation/Foundation.h> |
| #include "GoUniverse.h" |
| |
| #ifdef DEBUG |
| #define LOG_DEBUG(...) NSLog(__VA_ARGS__); |
| #else |
| #define LOG_DEBUG(...) ; |
| #endif |
| |
| #define LOG_INFO(...) NSLog(__VA_ARGS__); |
| #define LOG_FATAL(...) \ |
| { \ |
| NSLog(__VA_ARGS__); \ |
| @throw \ |
| [NSException exceptionWithName:NSInternalInconsistencyException \ |
| reason:[NSString stringWithFormat:__VA_ARGS__] \ |
| userInfo:NULL]; \ |
| } |
| |
| // goErrorWrapper is a adapter between an NSError * and the bind Error interface |
| @interface goSeqErrorWrapper : NSObject<GoUniverseerror> { |
| } |
| @property NSError *err; |
| |
| - (id)initWithError:(NSError *)err; |
| @end |
| |
| // GoSeqRef is an object tagged with an integer for passing back and |
| // forth across the language boundary. A GoSeqRef may represent either |
| // an instance of a Go object, or an Objective-C object passed to Go. |
| // The explicit allocation of a GoSeqRef is used to pin a Go object |
| // when it is passed to Objective-C. The Go seq package maintains a |
| // reference to the Go object in a map keyed by the refnum. When the |
| // GoSeqRef is deallocated, the Go seq package will clear the |
| // corresponding entry in the map. |
| // TODO(hyangah): update the doc as golang.org/issue/10933 is fixed. |
| @interface GoSeqRef : NSObject { |
| } |
| @property(readonly) int32_t refnum; |
| @property(strong) id obj; // NULL when representing a Go object. |
| |
| // new GoSeqRef object to proxy a Go object. The refnum must be |
| // provided from Go side. |
| - (instancetype)initWithRefnum:(int32_t)refnum obj:(id)obj; |
| |
| - (int32_t)incNum; |
| |
| @end |
| |
| @protocol goSeqRefInterface |
| -(GoSeqRef*) _ref; |
| @end |
| |
| // Platform specific types |
| typedef struct nstring { |
| void *ptr; |
| int len; |
| } nstring; |
| typedef struct nbyteslice { |
| void *ptr; |
| int len; |
| } nbyteslice; |
| typedef int nint; |
| |
| extern void init_seq(); |
| // go_seq_dec_ref decrements the reference count for the |
| // specified refnum. It is called from Go from a finalizer. |
| extern void go_seq_dec_ref(int32_t refnum); |
| // go_seq_inc_ref increments the reference count for the |
| // specified refnum. It is called from Go just before converting |
| // a proxy to its refnum. |
| extern void go_seq_inc_ref(int32_t refnum); |
| |
| extern int32_t go_seq_to_refnum(id obj); |
| // go_seq_go_to_refnum is a special case of go_seq_to_refnum |
| extern int32_t go_seq_go_to_refnum(GoSeqRef *ref); |
| |
| extern GoSeqRef *go_seq_from_refnum(int32_t refnum); |
| // go_seq_objc_from_refnum is a special case of go_seq_from_refnum for |
| // Objective-C objects that implement a Go interface. |
| extern id go_seq_objc_from_refnum(int32_t refnum); |
| |
| extern nbyteslice go_seq_from_objc_bytearray(NSData *data, int copy); |
| extern nstring go_seq_from_objc_string(NSString *s); |
| |
| extern NSData *go_seq_to_objc_bytearray(nbyteslice, int copy); |
| extern NSString *go_seq_to_objc_string(nstring str); |
| extern NSError *go_seq_to_nserror(id<GoUniverseerror> err, NSString *errDomain); |
| |
| #endif // __GO_SEQ_HDR__ |