1 files changed, 0 insertions, 142 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/presence.go b/vendor/google.golang.org/protobuf/internal/impl/presence.go
deleted file mode 100644
index 914cb1ded..000000000
--- a/vendor/google.golang.org/protobuf/internal/impl/presence.go
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright 2024 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package impl
-
-import (
-	"sync/atomic"
-	"unsafe"
-)
-
-// presenceSize represents the size of a presence set, which should be the largest index of the set+1
-type presenceSize uint32
-
-// presence is the internal representation of the bitmap array in a generated protobuf
-type presence struct {
-	// This is a pointer to the beginning of an array of uint32
-	P unsafe.Pointer
-}
-
-func (p presence) toElem(num uint32) (ret *uint32) {
-	const (
-		bitsPerByte = 8
-		siz         = unsafe.Sizeof(*ret)
-	)
-	// p.P points to an array of uint32, num is the bit in this array that the
-	// caller wants to check/manipulate. Calculate the index in the array that
-	// contains this specific bit. E.g.: 76 / 32 = 2 (integer division).
-	offset := uintptr(num) / (siz * bitsPerByte) * siz
-	return (*uint32)(unsafe.Pointer(uintptr(p.P) + offset))
-}
-
-// Present checks for the presence of a specific field number in a presence set.
-func (p presence) Present(num uint32) bool {
-	if p.P == nil {
-		return false
-	}
-	return Export{}.Present(p.toElem(num), num)
-}
-
-// SetPresent adds presence for a specific field number in a presence set.
-func (p presence) SetPresent(num uint32, size presenceSize) {
-	Export{}.SetPresent(p.toElem(num), num, uint32(size))
-}
-
-// SetPresentUnatomic adds presence for a specific field number in a presence set without using
-// atomic operations. Only to be called during unmarshaling.
-func (p presence) SetPresentUnatomic(num uint32, size presenceSize) {
-	Export{}.SetPresentNonAtomic(p.toElem(num), num, uint32(size))
-}
-
-// ClearPresent removes presence for a specific field number in a presence set.
-func (p presence) ClearPresent(num uint32) {
-	Export{}.ClearPresent(p.toElem(num), num)
-}
-
-// LoadPresenceCache (together with PresentInCache) allows for a
-// cached version of checking for presence without re-reading the word
-// for every field. It is optimized for efficiency and assumes no
-// simltaneous mutation of the presence set (or at least does not have
-// a problem with simultaneous mutation giving inconsistent results).
-func (p presence) LoadPresenceCache() (current uint32) {
-	if p.P == nil {
-		return 0
-	}
-	return atomic.LoadUint32((*uint32)(p.P))
-}
-
-// PresentInCache reads presence from a cached word in the presence
-// bitmap. It caches up a new word if the bit is outside the
-// word. This is for really fast iteration through bitmaps in cases
-// where we either know that the bitmap will not be altered, or we
-// don't care about inconsistencies caused by simultaneous writes.
-func (p presence) PresentInCache(num uint32, cachedElement *uint32, current *uint32) bool {
-	if num/32 != *cachedElement {
-		o := uintptr(num/32) * unsafe.Sizeof(uint32(0))
-		q := (*uint32)(unsafe.Pointer(uintptr(p.P) + o))
-		*current = atomic.LoadUint32(q)
-		*cachedElement = num / 32
-	}
-	return (*current & (1 << (num % 32))) > 0
-}
-
-// AnyPresent checks if any field is marked as present in the bitmap.
-func (p presence) AnyPresent(size presenceSize) bool {
-	n := uintptr((size + 31) / 32)
-	for j := uintptr(0); j < n; j++ {
-		o := j * unsafe.Sizeof(uint32(0))
-		q := (*uint32)(unsafe.Pointer(uintptr(p.P) + o))
-		b := atomic.LoadUint32(q)
-		if b > 0 {
-			return true
-		}
-	}
-	return false
-}
-
-// toRaceDetectData finds the preceding RaceDetectHookData in a
-// message by using pointer arithmetic. As the type of the presence
-// set (bitmap) varies with the number of fields in the protobuf, we
-// can not have a struct type containing the array and the
-// RaceDetectHookData.  instead the RaceDetectHookData is placed
-// immediately before the bitmap array, and we find it by walking
-// backwards in the struct.
-//
-// This method is only called from the race-detect version of the code,
-// so RaceDetectHookData is never an empty struct.
-func (p presence) toRaceDetectData() *RaceDetectHookData {
-	var template struct {
-		d RaceDetectHookData
-		a [1]uint32
-	}
-	o := (uintptr(unsafe.Pointer(&template.a)) - uintptr(unsafe.Pointer(&template.d)))
-	return (*RaceDetectHookData)(unsafe.Pointer(uintptr(p.P) - o))
-}
-
-func atomicLoadShadowPresence(p **[]byte) *[]byte {
-	return (*[]byte)(atomic.LoadPointer((*unsafe.Pointer)(unsafe.Pointer(p))))
-}
-func atomicStoreShadowPresence(p **[]byte, v *[]byte) {
-	atomic.CompareAndSwapPointer((*unsafe.Pointer)(unsafe.Pointer(p)), nil, unsafe.Pointer(v))
-}
-
-// findPointerToRaceDetectData finds the preceding RaceDetectHookData
-// in a message by using pointer arithmetic. For the methods called
-// directy from generated code, we don't have a pointer to the
-// beginning of the presence set, but a pointer inside the array. As
-// we know the index of the bit we're manipulating (num), we can
-// calculate which element of the array ptr is pointing to. With that
-// information we find the preceding RaceDetectHookData and can
-// manipulate the shadow bitmap.
-//
-// This method is only called from the race-detect version of the
-// code, so RaceDetectHookData is never an empty struct.
-func findPointerToRaceDetectData(ptr *uint32, num uint32) *RaceDetectHookData {
-	var template struct {
-		d RaceDetectHookData
-		a [1]uint32
-	}
-	o := (uintptr(unsafe.Pointer(&template.a)) - uintptr(unsafe.Pointer(&template.d))) + uintptr(num/32)*unsafe.Sizeof(uint32(0))
-	return (*RaceDetectHookData)(unsafe.Pointer(uintptr(unsafe.Pointer(ptr)) - o))
-}