runtime: clean demo
This commit is contained in:
@@ -1,25 +0,0 @@
|
||||
#include <stdio.h>
|
||||
|
||||
struct array
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
int z;
|
||||
int k;
|
||||
};
|
||||
|
||||
int demo1(struct array a)
|
||||
{
|
||||
printf("c.demo1: %d %d %d %d\n",a.x,a.y,a.z,a.k);
|
||||
return a.x+a.y+a.z+a.k;
|
||||
}
|
||||
|
||||
int demo2( int (*fn)(struct array)) {
|
||||
printf("c.demo2: %p\n",fn);
|
||||
struct array a;
|
||||
a.x = 1;
|
||||
a.y = 2;
|
||||
a.z = 3;
|
||||
a.k = 4;
|
||||
return (*fn)(a);
|
||||
}
|
||||
@@ -1,65 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
|
||||
c "github.com/goplus/llgo/runtime/internal/clite"
|
||||
"github.com/goplus/llgo/runtime/internal/clite/ffi"
|
||||
)
|
||||
|
||||
const (
|
||||
LLGoPackage = "link"
|
||||
LLGoFiles = "../_wrap/wrap.c"
|
||||
)
|
||||
|
||||
//llgo:type C
|
||||
type Callback func(array) c.Int
|
||||
|
||||
//go:linkname demo1 C.demo1
|
||||
func demo1(array) c.Int
|
||||
|
||||
//go:linkname demo2 C.demo2
|
||||
func demo2(fn Callback) c.Int
|
||||
|
||||
//llgo:type C
|
||||
type array struct {
|
||||
x c.Int
|
||||
y c.Int
|
||||
z c.Int
|
||||
k c.Int
|
||||
}
|
||||
|
||||
var (
|
||||
typeInt32 = &ffi.Type{4, 4, ffi.Sint32, nil}
|
||||
typePointer = &ffi.Type{unsafe.Sizeof(0), uint16(unsafe.Alignof(0)), ffi.Pointer, nil}
|
||||
)
|
||||
|
||||
func main() {
|
||||
cdemo1()
|
||||
cdemo2()
|
||||
}
|
||||
|
||||
func cdemo1() {
|
||||
var cif ffi.Cif
|
||||
tarray := &ffi.Type{0, 0, ffi.Struct, &[]*ffi.Type{typeInt32, typeInt32, typeInt32, typeInt32, nil}[0]}
|
||||
status := ffi.PrepCif(&cif, ffi.DefaultAbi, 1, typeInt32, &[]*ffi.Type{tarray}[0])
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
ar := array{1, 2, 3, 4}
|
||||
var ret int32
|
||||
ffi.Call(&cif, c.Func(demo1), unsafe.Pointer(&ret), &[]unsafe.Pointer{unsafe.Pointer(&ar)}[0])
|
||||
c.Printf(c.Str("ret: %d\n"), ret)
|
||||
}
|
||||
|
||||
func cdemo2() {
|
||||
var cif ffi.Cif
|
||||
status := ffi.PrepCif(&cif, ffi.DefaultAbi, 1, typeInt32, &[]*ffi.Type{typePointer}[0])
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
var ret int32
|
||||
fn := c.Func(demo1)
|
||||
ffi.Call(&cif, c.Func(demo2), unsafe.Pointer(&ret), &[]unsafe.Pointer{unsafe.Pointer(&fn)}[0])
|
||||
c.Printf(c.Str("ret: %d\n"), ret)
|
||||
}
|
||||
@@ -1,93 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
|
||||
c "github.com/goplus/llgo/runtime/internal/clite"
|
||||
"github.com/goplus/llgo/runtime/internal/clite/ffi"
|
||||
)
|
||||
|
||||
const (
|
||||
LLGoPackage = "link"
|
||||
LLGoFiles = "../_wrap/wrap.c"
|
||||
)
|
||||
|
||||
//llgo:type C
|
||||
type Callback func(array) c.Int
|
||||
|
||||
//go:linkname demo1 C.demo1
|
||||
func demo1(array) c.Int
|
||||
|
||||
//go:linkname demo2 C.demo2
|
||||
func demo2(fn Callback) c.Int
|
||||
|
||||
//llgo:type C
|
||||
type array struct {
|
||||
x c.Int
|
||||
y c.Int
|
||||
z c.Int
|
||||
k c.Int
|
||||
}
|
||||
|
||||
func demo(a array) c.Int {
|
||||
c.Printf(c.Str("go.demo %d %d %d %d\n"), a.x, a.y, a.z, a.k)
|
||||
return a.x + a.y + a.z + a.k
|
||||
}
|
||||
|
||||
var (
|
||||
typeInt32 = &ffi.Type{4, 4, ffi.Sint32, nil}
|
||||
typePointer = &ffi.Type{unsafe.Sizeof(0), uint16(unsafe.Alignof(0)), ffi.Pointer, nil}
|
||||
)
|
||||
|
||||
func main() {
|
||||
gofn()
|
||||
c.Printf(c.Str("\n"))
|
||||
goclosure()
|
||||
}
|
||||
|
||||
func gofn() {
|
||||
var cif ffi.Cif
|
||||
status := ffi.PrepCif(&cif, ffi.DefaultAbi, 1, typeInt32, &[]*ffi.Type{typePointer}[0])
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
var fncode unsafe.Pointer
|
||||
closure := ffi.ClosureAlloc(&fncode)
|
||||
defer ffi.ClosureFree(closure)
|
||||
status = ffi.PreClosureLoc(closure, &cif, func(cif *ffi.Cif, ret unsafe.Pointer, args *unsafe.Pointer, userdata unsafe.Pointer) {
|
||||
ar := *(*array)(ffi.Index(args, 0))
|
||||
*(*c.Int)(ret) = demo(ar)
|
||||
}, nil, fncode)
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
var ret int32
|
||||
ffi.Call(&cif, c.Func(demo2), unsafe.Pointer(&ret), &[]unsafe.Pointer{unsafe.Pointer(&fncode)}[0])
|
||||
c.Printf(c.Str("ret: %d\n"), ret)
|
||||
}
|
||||
|
||||
func goclosure() {
|
||||
var cif ffi.Cif
|
||||
status := ffi.PrepCif(&cif, ffi.DefaultAbi, 1, typeInt32, &[]*ffi.Type{typePointer}[0])
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
fn := func(ar array) c.Int {
|
||||
c.Printf(c.Str("call closure %d\n"), cif.NArgs)
|
||||
return demo(ar)
|
||||
}
|
||||
var fncode unsafe.Pointer
|
||||
closure := ffi.ClosureAlloc(&fncode)
|
||||
defer ffi.ClosureFree(closure)
|
||||
status = ffi.PreClosureLoc(closure, &cif, func(cif *ffi.Cif, ret unsafe.Pointer, args *unsafe.Pointer, userdata unsafe.Pointer) {
|
||||
ar := *(*array)(ffi.Index(args, 0))
|
||||
fn := *(*func(array) c.Int)(userdata)
|
||||
*(*c.Int)(ret) = fn(ar)
|
||||
}, unsafe.Pointer(&fn), fncode)
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
var ret int32
|
||||
ffi.Call(&cif, c.Func(demo2), unsafe.Pointer(&ret), &[]unsafe.Pointer{unsafe.Pointer(&fncode)}[0])
|
||||
c.Printf(c.Str("ret: %d\n"), ret)
|
||||
}
|
||||
@@ -1,26 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"unsafe"
|
||||
|
||||
c "github.com/goplus/llgo/runtime/internal/clite"
|
||||
"github.com/goplus/llgo/runtime/internal/clite/ffi"
|
||||
)
|
||||
|
||||
var (
|
||||
typeInt32 = &ffi.Type{4, 4, ffi.Sint32, nil}
|
||||
typePointer = &ffi.Type{unsafe.Sizeof(0), uint16(unsafe.Alignof(0)), ffi.Pointer, nil}
|
||||
)
|
||||
|
||||
func main() {
|
||||
var cif ffi.Cif
|
||||
status := ffi.PrepCifVar(&cif, ffi.DefaultAbi, 1, 2, typeInt32, &[]*ffi.Type{typePointer, typeInt32}[0])
|
||||
if status != ffi.OK {
|
||||
panic(status)
|
||||
}
|
||||
var ret int32
|
||||
text := c.Str("hello world: %d\n")
|
||||
var n int32 = 100
|
||||
ffi.Call(&cif, c.Func(c.Printf), unsafe.Pointer(&ret), &[]unsafe.Pointer{unsafe.Pointer(&text), unsafe.Pointer(&n)}[0])
|
||||
c.Printf(c.Str("ret: %d\n"), ret)
|
||||
}
|
||||
Reference in New Issue
Block a user