Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/golang.org/x/tools/godoc/tab.go

@@ -0,0 +1,82 @@
+// Copyright 2013 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.
+
+// TODO(bradfitz,adg): move to util
+
+package godoc
+
+import "io"
+
+var spaces = []byte("                                ") // 32 spaces seems like a good number
+
+const (
+	indenting = iota
+	collecting
+)
+
+// A tconv is an io.Writer filter for converting leading tabs into spaces.
+type tconv struct {
+	output io.Writer
+	state  int // indenting or collecting
+	indent int // valid if state == indenting
+	p      *Presentation
+}
+
+func (p *tconv) writeIndent() (err error) {
+	i := p.indent
+	for i >= len(spaces) {
+		i -= len(spaces)
+		if _, err = p.output.Write(spaces); err != nil {
+			return
+		}
+	}
+	// i < len(spaces)
+	if i > 0 {
+		_, err = p.output.Write(spaces[0:i])
+	}
+	return
+}
+
+func (p *tconv) Write(data []byte) (n int, err error) {
+	if len(data) == 0 {
+		return
+	}
+	pos := 0 // valid if p.state == collecting
+	var b byte
+	for n, b = range data {
+		switch p.state {
+		case indenting:
+			switch b {
+			case '\t':
+				p.indent += p.p.TabWidth
+			case '\n':
+				p.indent = 0
+				if _, err = p.output.Write(data[n : n+1]); err != nil {
+					return
+				}
+			case ' ':
+				p.indent++
+			default:
+				p.state = collecting
+				pos = n
+				if err = p.writeIndent(); err != nil {
+					return
+				}
+			}
+		case collecting:
+			if b == '\n' {
+				p.state = indenting
+				p.indent = 0
+				if _, err = p.output.Write(data[pos : n+1]); err != nil {
+					return
+				}
+			}
+		}
+	}
+	n = len(data)
+	if pos < n && p.state == collecting {
+		_, err = p.output.Write(data[pos:])
+	}
+	return
+}