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Diffstat (limited to 'vendor/codeberg.org/gruf/go-mangler/v2/method.go')
-rw-r--r--vendor/codeberg.org/gruf/go-mangler/v2/method.go105
1 files changed, 0 insertions, 105 deletions
diff --git a/vendor/codeberg.org/gruf/go-mangler/v2/method.go b/vendor/codeberg.org/gruf/go-mangler/v2/method.go
deleted file mode 100644
index 7a938d6ae..000000000
--- a/vendor/codeberg.org/gruf/go-mangler/v2/method.go
+++ /dev/null
@@ -1,105 +0,0 @@
-package mangler
-
-import (
- "reflect"
- "unsafe"
-
- "codeberg.org/gruf/go-xunsafe"
-)
-
-var (
- // mangleable type for implement checks.
- mangleableType = reflect.TypeFor[Mangleable]()
-)
-
-type Mangleable interface {
- Mangle(dst []byte) []byte
-}
-
-// getMethodType returns a *possible* Mangler to handle case
-// of a type that implements any known interface{} types, else nil.
-func getMethodType(t xunsafe.TypeIter) Mangler {
- switch {
- case t.Type.Implements(mangleableType):
- switch t.Type.Kind() {
- case reflect.Interface:
- return getInterfaceMangleableType(t)
- default:
- return getConcreteMangleableType(t)
- }
- default:
- return nil
- }
-}
-
-// getInterfaceMangleableType returns a Mangler to handle case of an interface{}
-// type that implements Mangleable{}, i.e. Mangleable{} itself and any superset of.
-func getInterfaceMangleableType(t xunsafe.TypeIter) Mangler {
- switch t.Indirect() && !t.IfaceIndir() {
- case true:
- return func(buf []byte, ptr unsafe.Pointer) []byte {
- ptr = *(*unsafe.Pointer)(ptr)
- if ptr == nil || (*xunsafe.Abi_NonEmptyInterface)(ptr).Data == nil {
- buf = append(buf, '0')
- return buf
- }
- v := *(*Mangleable)(ptr)
- buf = append(buf, '1')
- buf = v.Mangle(buf)
- return buf
- }
- case false:
- return func(buf []byte, ptr unsafe.Pointer) []byte {
- if ptr == nil || (*xunsafe.Abi_NonEmptyInterface)(ptr).Data == nil {
- buf = append(buf, '0')
- return buf
- }
- v := *(*Mangleable)(ptr)
- buf = append(buf, '1')
- buf = v.Mangle(buf)
- return buf
- }
- default:
- panic("unreachable")
- }
-}
-
-// getConcreteMangleableType returns a Manlger to handle case of concrete
-// (i.e. non-interface{}) type that has a Mangleable{} method receiver.
-func getConcreteMangleableType(t xunsafe.TypeIter) Mangler {
- itab := xunsafe.GetIfaceITab[Mangleable](t.Type)
- switch {
- case t.Indirect() && !t.IfaceIndir():
- return func(buf []byte, ptr unsafe.Pointer) []byte {
- ptr = *(*unsafe.Pointer)(ptr)
- if ptr == nil {
- buf = append(buf, '0')
- return buf
- }
- v := *(*Mangleable)(xunsafe.PackIface(itab, ptr))
- buf = append(buf, '1')
- buf = v.Mangle(buf)
- return buf
- }
- case t.Type.Kind() == reflect.Pointer && t.Type.Implements(mangleableType):
- // if the interface implementation is received by
- // value type, the pointer type will also support
- // it but it requires an extra dereference check.
- return func(buf []byte, ptr unsafe.Pointer) []byte {
- if ptr == nil {
- buf = append(buf, '0')
- return buf
- }
- v := *(*Mangleable)(xunsafe.PackIface(itab, ptr))
- buf = append(buf, '1')
- buf = v.Mangle(buf)
- return buf
- }
- default:
- return func(buf []byte, ptr unsafe.Pointer) []byte {
- v := *(*Mangleable)(xunsafe.PackIface(itab, ptr))
- buf = v.Mangle(buf)
- return buf
- }
- }
-}