1 files changed, 0 insertions, 119 deletions
diff --git a/vendor/github.com/go-xorm/builder/string_builder.go b/vendor/github.com/go-xorm/builder/string_builder.go
deleted file mode 100644
index d4de8717e7..0000000000
--- a/vendor/github.com/go-xorm/builder/string_builder.go
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2017 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 builder
-
-import (
-	"unicode/utf8"
-	"unsafe"
-)
-
-// A StringBuilder is used to efficiently build a string using Write methods.
-// It minimizes memory copying. The zero value is ready to use.
-// Do not copy a non-zero Builder.
-type StringBuilder struct {
-	addr *StringBuilder // of receiver, to detect copies by value
-	buf  []byte
-}
-
-// noescape hides a pointer from escape analysis.  noescape is
-// the identity function but escape analysis doesn't think the
-// output depends on the input. noescape is inlined and currently
-// compiles down to zero instructions.
-// USE CAREFULLY!
-// This was copied from the runtime; see issues 23382 and 7921.
-//go:nosplit
-func noescape(p unsafe.Pointer) unsafe.Pointer {
-	x := uintptr(p)
-	return unsafe.Pointer(x ^ 0)
-}
-
-func (b *StringBuilder) copyCheck() {
-	if b.addr == nil {
-		// This hack works around a failing of Go's escape analysis
-		// that was causing b to escape and be heap allocated.
-		// See issue 23382.
-		// TODO: once issue 7921 is fixed, this should be reverted to
-		// just "b.addr = b".
-		b.addr = (*StringBuilder)(noescape(unsafe.Pointer(b)))
-	} else if b.addr != b {
-		panic("strings: illegal use of non-zero Builder copied by value")
-	}
-}
-
-// String returns the accumulated string.
-func (b *StringBuilder) String() string {
-	return *(*string)(unsafe.Pointer(&b.buf))
-}
-
-// Len returns the number of accumulated bytes; b.Len() == len(b.String()).
-func (b *StringBuilder) Len() int { return len(b.buf) }
-
-// Reset resets the Builder to be empty.
-func (b *StringBuilder) Reset() {
-	b.addr = nil
-	b.buf = nil
-}
-
-// grow copies the buffer to a new, larger buffer so that there are at least n
-// bytes of capacity beyond len(b.buf).
-func (b *StringBuilder) grow(n int) {
-	buf := make([]byte, len(b.buf), 2*cap(b.buf)+n)
-	copy(buf, b.buf)
-	b.buf = buf
-}
-
-// Grow grows b's capacity, if necessary, to guarantee space for
-// another n bytes. After Grow(n), at least n bytes can be written to b
-// without another allocation. If n is negative, Grow panics.
-func (b *StringBuilder) Grow(n int) {
-	b.copyCheck()
-	if n < 0 {
-		panic("strings.Builder.Grow: negative count")
-	}
-	if cap(b.buf)-len(b.buf) < n {
-		b.grow(n)
-	}
-}
-
-// Write appends the contents of p to b's buffer.
-// Write always returns len(p), nil.
-func (b *StringBuilder) Write(p []byte) (int, error) {
-	b.copyCheck()
-	b.buf = append(b.buf, p...)
-	return len(p), nil
-}
-
-// WriteByte appends the byte c to b's buffer.
-// The returned error is always nil.
-func (b *StringBuilder) WriteByte(c byte) error {
-	b.copyCheck()
-	b.buf = append(b.buf, c)
-	return nil
-}
-
-// WriteRune appends the UTF-8 encoding of Unicode code point r to b's buffer.
-// It returns the length of r and a nil error.
-func (b *StringBuilder) WriteRune(r rune) (int, error) {
-	b.copyCheck()
-	if r < utf8.RuneSelf {
-		b.buf = append(b.buf, byte(r))
-		return 1, nil
-	}
-	l := len(b.buf)
-	if cap(b.buf)-l < utf8.UTFMax {
-		b.grow(utf8.UTFMax)
-	}
-	n := utf8.EncodeRune(b.buf[l:l+utf8.UTFMax], r)
-	b.buf = b.buf[:l+n]
-	return n, nil
-}
-
-// WriteString appends the contents of s to b's buffer.
-// It returns the length of s and a nil error.
-func (b *StringBuilder) WriteString(s string) (int, error) {
-	b.copyCheck()
-	b.buf = append(b.buf, s...)
-	return len(s), nil
-}