fixed dependencies

vendor/github.com/go-latex/latex/token/token.go

@@ -0,0 +1,50 @@
+// Copyright ©2020 The go-latex 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 token defines constants representing the lexical tokens of
+// LaTeX documents.
+package token // import "github.com/go-latex/latex/token"
+
+//go:generate stringer -type Kind
+
+import (
+	"go/token"
+)
+
+// Kind is a kind of LaTeX token.
+type Kind int
+
+const (
+	Invalid Kind = iota
+	Macro
+	EmptyLine
+	Comment
+	Space
+	Word
+	Number
+	Symbol // +,-,?,>,>=,...
+	Lbrace
+	Rbrace
+	Lbrack
+	Rbrack
+	Lparen
+	Rparen
+	Other
+	Verbatim
+	EOF
+)
+
+// Token holds informations about a token.
+type Token struct {
+	Kind Kind // Kind is the kind of token.
+	Pos  Pos  // Pos is the position of a token.
+	Text string
+}
+
+func (t Token) String() string { return t.Text }
+
+// Pos is a compact encoding of a source position within a file set.
+//
+// Aliased from go/token.Pos
+type Pos = token.Pos