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|
/* ------------------------------------------------------------
* goruntime.swg
*
* Go runtime code for the various generated files.
* ------------------------------------------------------------ */
%inline %{
static void Swig_free(void* p) {
free(p);
}
static void* Swig_malloc(int c) {
return malloc(c);
}
%}
%insert(runtime) %{
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
%}
%insert(cgo_comment_typedefs) %{
#include <stddef.h>
#include <stdint.h>
%}
#if SWIGGO_INTGO_SIZE == 32
%insert(runtime) %{
typedef int intgo;
typedef unsigned int uintgo;
%}
%insert(cgo_comment_typedefs) %{
typedef int intgo;
typedef unsigned int uintgo;
%}
#elif SWIGGO_INTGO_SIZE == 64
%insert(runtime) %{
typedef long long intgo;
typedef unsigned long long uintgo;
%}
%insert(cgo_comment_typedefs) %{
typedef long long intgo;
typedef unsigned long long uintgo;
%}
#else
%insert(runtime) %{
typedef ptrdiff_t intgo;
typedef size_t uintgo;
%}
%insert(cgo_comment_typedefs) %{
typedef ptrdiff_t intgo;
typedef size_t uintgo;
%}
#endif
#ifndef SWIGGO_GCCGO
// Set the host compiler struct attribute that will be
// used to match gc's struct layout. For example, on 386 Windows,
// gcc wants to 8-align int64s, but gc does not.
// Use __gcc_struct__ to work around http://gcc.gnu.org/PR52991 on x86,
// and https://golang.org/issue/5603.
// See: https://github.com/golang/go/blob/fcbf04f9b93b4cd8addd05c2ed784118eb50a46c/src/cmd/cgo/out.go#L663
%insert(runtime) %{
# if !defined(__clang__) && (defined(__i386__) || defined(__x86_64__))
# define SWIGSTRUCTPACKED __attribute__((__packed__, __gcc_struct__))
# else
# define SWIGSTRUCTPACKED __attribute__((__packed__))
# endif
%}
#else
# define SWIGSTRUCTPACKED
#endif
%insert(runtime) %{
typedef struct { char *p; intgo n; } _gostring_;
typedef struct { void* array; intgo len; intgo cap; } _goslice_;
%}
%insert(cgo_comment_typedefs) %{
typedef struct { char *p; intgo n; } _gostring_;
typedef struct { void* array; intgo len; intgo cap; } _goslice_;
%}
#ifdef SWIGGO_GCCGO
/* Boilerplate for C/C++ code when using gccgo. */
%insert(runtime) %{
#define SWIGGO_GCCGO
#ifdef __cplusplus
extern "C" {
#endif
extern void *_cgo_allocate(size_t);
extern void _cgo_panic(const char *);
#ifdef __cplusplus
}
#endif
#define _swig_goallocate _cgo_allocate
#define _swig_gopanic _cgo_panic
%}
#endif
#ifndef SWIGGO_GCCGO
%go_import("unsafe", _ "runtime/cgo")
#else
%go_import("syscall", "unsafe")
%insert(go_header) %{
type _ syscall.Sockaddr
%}
#endif
%insert(go_header) %{
type _ unsafe.Pointer
%}
/* Swig_always_false is used to conditionally assign parameters to
Swig_escape_val so that the compiler thinks that they escape. We
only assign them if Swig_always_false is true, which it never is.
We export the variable so that the compiler doesn't realize that it
is never set. */
%insert(go_header) %{
var Swig_escape_always_false bool
var Swig_escape_val interface{}
%}
/* Function pointers are translated by the code in go.cxx into
_swig_fnptr. Member pointers are translated to _swig_memberptr. */
%insert(go_header) %{
type _swig_fnptr *byte
type _swig_memberptr *byte
%}
/* Convert a Go interface value into a C++ pointer. */
%insert(go_header) %{
func getSwigcptr(v interface { Swigcptr() uintptr }) uintptr {
if v == nil {
return 0
}
return v.Swigcptr()
}
%}
/* For directors we need C++ to track a Go pointer. Since we can't
pass a Go pointer into C++, we use a map to track the pointers on
the Go side. */
%go_import("sync")
%insert(go_header) %{
type _ sync.Mutex
%}
%insert(go_director) %{
var swigDirectorTrack struct {
sync.Mutex
m map[int]interface{}
c int
}
func swigDirectorAdd(v interface{}) int {
swigDirectorTrack.Lock()
defer swigDirectorTrack.Unlock()
if swigDirectorTrack.m == nil {
swigDirectorTrack.m = make(map[int]interface{})
}
swigDirectorTrack.c++
ret := swigDirectorTrack.c
swigDirectorTrack.m[ret] = v
return ret
}
func swigDirectorLookup(c int) interface{} {
swigDirectorTrack.Lock()
defer swigDirectorTrack.Unlock()
ret := swigDirectorTrack.m[c]
if ret == nil {
panic("C++ director pointer not found (possible use-after-free)")
}
return ret
}
func swigDirectorDelete(c int) {
swigDirectorTrack.Lock()
defer swigDirectorTrack.Unlock()
if swigDirectorTrack.m[c] == nil {
if c > swigDirectorTrack.c {
panic("C++ director pointer invalid (possible memory corruption")
} else {
panic("C++ director pointer not found (possible use-after-free)")
}
}
delete(swigDirectorTrack.m, c)
}
%}
|
