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internal/lib/reflect: Value.UnsafePointer

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This commit is contained in:
visualfc
2024-11-14 10:13:26 +08:00
parent b8a185c112
commit 93d24e7106
1 changed files with 9 additions and 9 deletions
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18
internal/lib/reflect/value.go
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@@ -1626,7 +1626,6 @@ func (v Value) UnsafeAddr() uintptr {
// element of the slice. If the slice is nil the returned value // element of the slice. If the slice is nil the returned value
// is nil. If the slice is empty but non-nil the return value is non-nil. // is nil. If the slice is empty but non-nil the return value is non-nil.
func (v Value) UnsafePointer() unsafe.Pointer { func (v Value) UnsafePointer() unsafe.Pointer {
/* TODO(xsw):
k := v.kind() k := v.kind()
switch k { switch k {
case Pointer: case Pointer:
@@ -1649,8 +1648,8 @@ func (v Value) UnsafePointer() unsafe.Pointer {
// created via reflect have the same underlying code pointer, // created via reflect have the same underlying code pointer,
// so their Pointers are equal. The function used here must // so their Pointers are equal. The function used here must
// match the one used in makeMethodValue. // match the one used in makeMethodValue.
code := methodValueCallCodePtr() _, _, fn := methodReceiver("unsafePointer", v, int(v.flag)>>flagMethodShift)
return *(*unsafe.Pointer)(unsafe.Pointer(&code)) return fn
} }
p := v.pointer() p := v.pointer()
// Non-nil func value points at data block. // Non-nil func value points at data block.
@@ -1661,11 +1660,9 @@ func (v Value) UnsafePointer() unsafe.Pointer {
return p return p
case Slice: case Slice:
return (*unsafeheader.Slice)(v.ptr).Data return (*unsafeheaderSlice)(v.ptr).Data
} }
panic(&ValueError{"reflect.Value.UnsafePointer", v.kind()}) panic(&ValueError{"reflect.Value.UnsafePointer", v.kind()})
*/
panic("todo: reflect.Value.UnsafePointer")
} }
//go:linkname unsafe_New github.com/goplus/llgo/internal/runtime.New //go:linkname unsafe_New github.com/goplus/llgo/internal/runtime.New
@@ -1887,7 +1884,9 @@ func typedmemmove(t *abi.Type, dst, src unsafe.Pointer)
//go:linkname typedmemclr github.com/goplus/llgo/internal/runtime.Typedmemclr //go:linkname typedmemclr github.com/goplus/llgo/internal/runtime.Typedmemclr
func typedmemclr(t *abi.Type, ptr unsafe.Pointer) func typedmemclr(t *abi.Type, ptr unsafe.Pointer)
/* TODO(xsw): /*
TODO(xsw):
// typedmemclrpartial is like typedmemclr but assumes that // typedmemclrpartial is like typedmemclr but assumes that
// dst points off bytes into the value and only clears size bytes. // dst points off bytes into the value and only clears size bytes.
// //
@@ -1908,9 +1907,10 @@ func typedarrayclear(elemType *abi.Type, ptr unsafe.Pointer, len int)
//go:noescape //go:noescape
func typehash(t *abi.Type, p unsafe.Pointer, h uintptr) uintptr func typehash(t *abi.Type, p unsafe.Pointer, h uintptr) uintptr
func verifyNotInHeapPtr(p uintptr) bool
*/ */
func verifyNotInHeapPtr(p uintptr) bool {
return true
}
//go:linkname growslice github.com/goplus/llgo/internal/runtime.GrowSlice //go:linkname growslice github.com/goplus/llgo/internal/runtime.GrowSlice
func growslice(src unsafeheaderSlice, num, etSize int) unsafeheaderSlice func growslice(src unsafeheaderSlice, num, etSize int) unsafeheaderSlice