admin/llgo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cgo: supports c/go callback funcs

Browse Source
This commit is contained in:
Li Jie
2024-11-26 22:34:19 +08:00
parent 5380ffa471
commit 90763de93c
12 changed files with 162 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
cl/_testgo/cgofull/cgofull.go
View File

@@ -77,9 +77,26 @@ static void test_macros() {
#define MY_VERSION "1.0.0"
#define MY_CODE 0x12345678
void test_void() {
static void test_void() {
printf("test_void\n");
}
typedef int (*Cb)(int);
extern int go_callback(int);
extern int c_callback(int i);
static void test_callback(Cb cb) {
printf("test_callback, cb: %p, go_callback: %p, c_callback: %p\n", cb, go_callback, c_callback);
printf("test_callback, *cb: %p, *go_callback: %p, *c_callback: %p\n", *(void**)cb, *(void**)(go_callback), *(void**)(c_callback));
printf("cb result: %d\n", cb(123));
printf("done\n");
}
static void run_callback() {
test_callback(c_callback);
}
*/
import "C"
import (
@@ -90,6 +107,11 @@ import (
"github.com/goplus/llgo/_demo/cgofull/pymod2"
)
//export go_callback
func go_callback(i C.int) C.int {
return i + 1
}
func main() {
runPy()
f := &C.Foo{a: 1}
@@ -104,6 +126,16 @@ func main() {
fmt.Println(C.MY_VERSION)
fmt.Println(int(C.MY_CODE))
C.test_void()
println("call run_callback")
C.run_callback()
// test _Cgo_ptr and _cgoCheckResult
println("call with go_callback")
C.test_callback((C.Cb)(C.go_callback))
println("call with c_callback")
C.test_callback((C.Cb)(C.c_callback))
}
func runPy() {
@@ -112,4 +144,6 @@ func runPy() {
Run("print('Hello, Python!')")
C.PyObject_Print((*C.PyObject)(unsafe.Pointer(pymod1.Float(1.23))), C.stderr, 0)
C.PyObject_Print((*C.PyObject)(unsafe.Pointer(pymod2.Long(123))), C.stdout, 0)
// test _Cgo_use
C.PyObject_Print((*C.PyObject)(unsafe.Pointer(C.PyComplex_FromDoubles(C.double(1.23), C.double(4.56)))), C.stdout, 0)
}