remove dockerscript
Docker-DCO-1.1-Signed-off-by: Victor Vieux <vieux@docker.com> (github: vieux)
This commit is contained in:
Victor Vieux
parent
087f008fc2
commit
a6ecdba762
4 changed files with 0 additions and 816 deletions
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@ -1 +0,0 @@
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Solomon Hykes <solomon@docker.com> (@shykes)
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@ -1,121 +0,0 @@
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package dockerscript
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import (
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"fmt"
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"github.com/dotcloud/docker/pkg/dockerscript/scanner"
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"io"
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"strings"
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)
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type Command struct {
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Args []string
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Children []*Command
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Background bool
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}
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type Scanner struct {
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scanner.Scanner
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commentLine bool
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}
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func Parse(src io.Reader) ([]*Command, error) {
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s := &Scanner{}
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s.Init(src)
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s.Whitespace = 1<<'\t' | 1<<' '
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s.Mode = scanner.ScanStrings | scanner.ScanRawStrings | scanner.ScanIdents
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expr, err := parse(s, "")
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if err != nil {
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return nil, fmt.Errorf("line %d:%d: %v\n", s.Pos().Line, s.Pos().Column, err)
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}
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return expr, nil
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}
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func (cmd *Command) subString(depth int) string {
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var prefix string
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for i := 0; i < depth; i++ {
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prefix += " "
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}
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s := prefix + strings.Join(cmd.Args, ", ")
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if len(cmd.Children) > 0 {
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s += " {\n"
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for _, subcmd := range cmd.Children {
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s += subcmd.subString(depth + 1)
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}
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s += prefix + "}"
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}
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s += "\n"
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return s
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}
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func (cmd *Command) String() string {
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return cmd.subString(0)
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}
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func parseArgs(s *Scanner) ([]string, rune, error) {
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var parseError error
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// FIXME: we overwrite previously set error
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s.Error = func(s *scanner.Scanner, msg string) {
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parseError = fmt.Errorf(msg)
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// parseError = fmt.Errorf("line %d:%d: %s\n", s.Pos().Line, s.Pos().Column, msg)
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}
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var args []string
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tok := s.Scan()
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for tok != scanner.EOF {
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if parseError != nil {
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return args, tok, parseError
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}
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text := s.TokenText()
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// Toggle line comment
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if strings.HasPrefix(text, "#") {
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s.commentLine = true
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} else if text == "\n" || text == "\r" {
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s.commentLine = false
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return args, tok, nil
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}
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if !s.commentLine {
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if text == "{" || text == "}" || text == "\n" || text == "\r" || text == ";" || text == "&" {
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return args, tok, nil
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}
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args = append(args, text)
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}
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tok = s.Scan()
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}
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return args, tok, nil
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}
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func parse(s *Scanner, opener string) (expr []*Command, err error) {
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/*
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defer func() {
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fmt.Printf("parse() returned %d commands:\n", len(expr))
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for _, c := range expr {
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fmt.Printf("\t----> %s\n", c)
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}
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}()
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*/
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for {
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args, tok, err := parseArgs(s)
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if err != nil {
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return nil, err
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}
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cmd := &Command{Args: args}
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afterArgs := s.TokenText()
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if afterArgs == "{" {
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children, err := parse(s, "{")
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if err != nil {
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return nil, err
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}
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cmd.Children = children
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} else if afterArgs == "}" && opener != "{" {
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return nil, fmt.Errorf("unexpected end of block '}'")
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} else if afterArgs == "&" {
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cmd.Background = true
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}
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if len(cmd.Args) > 0 || len(cmd.Children) > 0 {
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expr = append(expr, cmd)
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}
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if tok == scanner.EOF || afterArgs == "}" {
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break
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}
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}
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return expr, nil
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}
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@ -1,21 +0,0 @@
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package scanner
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import (
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"strings"
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"unicode"
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)
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// extra functions used to hijack the upstream text/scanner
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func detectIdent(ch rune) bool {
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if unicode.IsLetter(ch) {
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return true
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}
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if unicode.IsDigit(ch) {
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return true
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}
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if strings.ContainsRune("_:/+-@%^.!=", ch) {
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return true
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}
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return false
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}
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@ -1,673 +0,0 @@
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package scanner provides a scanner and tokenizer for UTF-8-encoded text.
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// It takes an io.Reader providing the source, which then can be tokenized
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// through repeated calls to the Scan function. For compatibility with
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// existing tools, the NUL character is not allowed. If the first character
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// in the source is a UTF-8 encoded byte order mark (BOM), it is discarded.
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//
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// By default, a Scanner skips white space and Go comments and recognizes all
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// literals as defined by the Go language specification. It may be
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// customized to recognize only a subset of those literals and to recognize
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// different white space characters.
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//
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// Basic usage pattern:
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//
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// var s scanner.Scanner
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// s.Init(src)
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// tok := s.Scan()
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// for tok != scanner.EOF {
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// // do something with tok
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// tok = s.Scan()
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// }
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//
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package scanner
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"unicode/utf8"
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)
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// TODO(gri): Consider changing this to use the new (token) Position package.
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// A source position is represented by a Position value.
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// A position is valid if Line > 0.
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type Position struct {
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Filename string // filename, if any
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Offset int // byte offset, starting at 0
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Line int // line number, starting at 1
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Column int // column number, starting at 1 (character count per line)
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}
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// IsValid returns true if the position is valid.
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func (pos *Position) IsValid() bool { return pos.Line > 0 }
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func (pos Position) String() string {
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s := pos.Filename
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if pos.IsValid() {
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if s != "" {
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s += ":"
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}
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s += fmt.Sprintf("%d:%d", pos.Line, pos.Column)
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}
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if s == "" {
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s = "???"
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}
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return s
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}
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// Predefined mode bits to control recognition of tokens. For instance,
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// to configure a Scanner such that it only recognizes (Go) identifiers,
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// integers, and skips comments, set the Scanner's Mode field to:
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//
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// ScanIdents | ScanInts | SkipComments
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//
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const (
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ScanIdents = 1 << -Ident
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ScanInts = 1 << -Int
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ScanFloats = 1 << -Float // includes Ints
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ScanChars = 1 << -Char
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ScanStrings = 1 << -String
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ScanRawStrings = 1 << -RawString
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ScanComments = 1 << -Comment
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SkipComments = 1 << -skipComment // if set with ScanComments, comments become white space
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GoTokens = ScanIdents | ScanFloats | ScanChars | ScanStrings | ScanRawStrings | ScanComments | SkipComments
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)
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// The result of Scan is one of the following tokens or a Unicode character.
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const (
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EOF = -(iota + 1)
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Ident
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Int
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Float
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Char
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String
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RawString
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Comment
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skipComment
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)
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var tokenString = map[rune]string{
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EOF: "EOF",
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Ident: "Ident",
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Int: "Int",
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Float: "Float",
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Char: "Char",
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String: "String",
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RawString: "RawString",
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Comment: "Comment",
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}
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// TokenString returns a printable string for a token or Unicode character.
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func TokenString(tok rune) string {
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if s, found := tokenString[tok]; found {
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return s
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}
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return fmt.Sprintf("%q", string(tok))
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}
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// GoWhitespace is the default value for the Scanner's Whitespace field.
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// Its value selects Go's white space characters.
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const GoWhitespace = 1<<'\t' | 1<<'\n' | 1<<'\r' | 1<<' '
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const bufLen = 1024 // at least utf8.UTFMax
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// A Scanner implements reading of Unicode characters and tokens from an io.Reader.
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type Scanner struct {
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// Input
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src io.Reader
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// Source buffer
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srcBuf [bufLen + 1]byte // +1 for sentinel for common case of s.next()
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srcPos int // reading position (srcBuf index)
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srcEnd int // source end (srcBuf index)
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// Source position
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srcBufOffset int // byte offset of srcBuf[0] in source
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line int // line count
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column int // character count
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lastLineLen int // length of last line in characters (for correct column reporting)
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lastCharLen int // length of last character in bytes
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// Token text buffer
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// Typically, token text is stored completely in srcBuf, but in general
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// the token text's head may be buffered in tokBuf while the token text's
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// tail is stored in srcBuf.
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tokBuf bytes.Buffer // token text head that is not in srcBuf anymore
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tokPos int // token text tail position (srcBuf index); valid if >= 0
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tokEnd int // token text tail end (srcBuf index)
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// One character look-ahead
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ch rune // character before current srcPos
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// Error is called for each error encountered. If no Error
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// function is set, the error is reported to os.Stderr.
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Error func(s *Scanner, msg string)
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// ErrorCount is incremented by one for each error encountered.
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ErrorCount int
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// The Mode field controls which tokens are recognized. For instance,
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// to recognize Ints, set the ScanInts bit in Mode. The field may be
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// changed at any time.
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Mode uint
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// The Whitespace field controls which characters are recognized
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// as white space. To recognize a character ch <= ' ' as white space,
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// set the ch'th bit in Whitespace (the Scanner's behavior is undefined
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// for values ch > ' '). The field may be changed at any time.
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Whitespace uint64
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// Start position of most recently scanned token; set by Scan.
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// Calling Init or Next invalidates the position (Line == 0).
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// The Filename field is always left untouched by the Scanner.
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// If an error is reported (via Error) and Position is invalid,
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// the scanner is not inside a token. Call Pos to obtain an error
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// position in that case.
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Position
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}
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// Init initializes a Scanner with a new source and returns s.
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// Error is set to nil, ErrorCount is set to 0, Mode is set to GoTokens,
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// and Whitespace is set to GoWhitespace.
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func (s *Scanner) Init(src io.Reader) *Scanner {
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s.src = src
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// initialize source buffer
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// (the first call to next() will fill it by calling src.Read)
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s.srcBuf[0] = utf8.RuneSelf // sentinel
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s.srcPos = 0
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s.srcEnd = 0
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// initialize source position
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s.srcBufOffset = 0
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s.line = 1
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s.column = 0
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s.lastLineLen = 0
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s.lastCharLen = 0
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// initialize token text buffer
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// (required for first call to next()).
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s.tokPos = -1
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// initialize one character look-ahead
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s.ch = -1 // no char read yet
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// initialize public fields
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s.Error = nil
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s.ErrorCount = 0
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s.Mode = GoTokens
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s.Whitespace = GoWhitespace
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s.Line = 0 // invalidate token position
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return s
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}
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// next reads and returns the next Unicode character. It is designed such
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// that only a minimal amount of work needs to be done in the common ASCII
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// case (one test to check for both ASCII and end-of-buffer, and one test
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// to check for newlines).
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func (s *Scanner) next() rune {
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ch, width := rune(s.srcBuf[s.srcPos]), 1
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if ch >= utf8.RuneSelf {
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// uncommon case: not ASCII or not enough bytes
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for s.srcPos+utf8.UTFMax > s.srcEnd && !utf8.FullRune(s.srcBuf[s.srcPos:s.srcEnd]) {
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// not enough bytes: read some more, but first
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// save away token text if any
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if s.tokPos >= 0 {
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s.tokBuf.Write(s.srcBuf[s.tokPos:s.srcPos])
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s.tokPos = 0
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// s.tokEnd is set by Scan()
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}
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// move unread bytes to beginning of buffer
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copy(s.srcBuf[0:], s.srcBuf[s.srcPos:s.srcEnd])
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s.srcBufOffset += s.srcPos
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// read more bytes
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// (an io.Reader must return io.EOF when it reaches
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// the end of what it is reading - simply returning
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// n == 0 will make this loop retry forever; but the
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// error is in the reader implementation in that case)
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i := s.srcEnd - s.srcPos
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n, err := s.src.Read(s.srcBuf[i:bufLen])
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s.srcPos = 0
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s.srcEnd = i + n
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s.srcBuf[s.srcEnd] = utf8.RuneSelf // sentinel
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if err != nil {
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if s.srcEnd == 0 {
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if s.lastCharLen > 0 {
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// previous character was not EOF
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s.column++
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}
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s.lastCharLen = 0
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return EOF
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}
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if err != io.EOF {
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s.error(err.Error())
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}
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// If err == EOF, we won't be getting more
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// bytes; break to avoid infinite loop. If
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// err is something else, we don't know if
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// we can get more bytes; thus also break.
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break
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}
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}
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// at least one byte
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ch = rune(s.srcBuf[s.srcPos])
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if ch >= utf8.RuneSelf {
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// uncommon case: not ASCII
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ch, width = utf8.DecodeRune(s.srcBuf[s.srcPos:s.srcEnd])
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if ch == utf8.RuneError && width == 1 {
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// advance for correct error position
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s.srcPos += width
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s.lastCharLen = width
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s.column++
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s.error("illegal UTF-8 encoding")
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return ch
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}
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}
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}
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// advance
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s.srcPos += width
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s.lastCharLen = width
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s.column++
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// special situations
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switch ch {
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case 0:
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// for compatibility with other tools
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s.error("illegal character NUL")
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case '\n':
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s.line++
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s.lastLineLen = s.column
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s.column = 0
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}
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return ch
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}
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// Next reads and returns the next Unicode character.
|
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// It returns EOF at the end of the source. It reports
|
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// a read error by calling s.Error, if not nil; otherwise
|
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// it prints an error message to os.Stderr. Next does not
|
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// update the Scanner's Position field; use Pos() to
|
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// get the current position.
|
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func (s *Scanner) Next() rune {
|
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s.tokPos = -1 // don't collect token text
|
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s.Line = 0 // invalidate token position
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ch := s.Peek()
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s.ch = s.next()
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return ch
|
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}
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||||
|
||||
// Peek returns the next Unicode character in the source without advancing
|
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// the scanner. It returns EOF if the scanner's position is at the last
|
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// character of the source.
|
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func (s *Scanner) Peek() rune {
|
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if s.ch < 0 {
|
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// this code is only run for the very first character
|
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s.ch = s.next()
|
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if s.ch == '\uFEFF' {
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s.ch = s.next() // ignore BOM
|
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}
|
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}
|
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return s.ch
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}
|
||||
|
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func (s *Scanner) error(msg string) {
|
||||
s.ErrorCount++
|
||||
if s.Error != nil {
|
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s.Error(s, msg)
|
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return
|
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}
|
||||
pos := s.Position
|
||||
if !pos.IsValid() {
|
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pos = s.Pos()
|
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}
|
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fmt.Fprintf(os.Stderr, "%s: %s\n", pos, msg)
|
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}
|
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|
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func (s *Scanner) scanIdentifier() rune {
|
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ch := s.next() // read character after first '_' or letter
|
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for detectIdent(ch) {
|
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ch = s.next()
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func digitVal(ch rune) int {
|
||||
switch {
|
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case '0' <= ch && ch <= '9':
|
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return int(ch - '0')
|
||||
case 'a' <= ch && ch <= 'f':
|
||||
return int(ch - 'a' + 10)
|
||||
case 'A' <= ch && ch <= 'F':
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return int(ch - 'A' + 10)
|
||||
}
|
||||
return 16 // larger than any legal digit val
|
||||
}
|
||||
|
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func isDecimal(ch rune) bool { return '0' <= ch && ch <= '9' }
|
||||
|
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func (s *Scanner) scanMantissa(ch rune) rune {
|
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for isDecimal(ch) {
|
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ch = s.next()
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanFraction(ch rune) rune {
|
||||
if ch == '.' {
|
||||
ch = s.scanMantissa(s.next())
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanExponent(ch rune) rune {
|
||||
if ch == 'e' || ch == 'E' {
|
||||
ch = s.next()
|
||||
if ch == '-' || ch == '+' {
|
||||
ch = s.next()
|
||||
}
|
||||
ch = s.scanMantissa(ch)
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanNumber(ch rune) (rune, rune) {
|
||||
// isDecimal(ch)
|
||||
if ch == '0' {
|
||||
// int or float
|
||||
ch = s.next()
|
||||
if ch == 'x' || ch == 'X' {
|
||||
// hexadecimal int
|
||||
ch = s.next()
|
||||
hasMantissa := false
|
||||
for digitVal(ch) < 16 {
|
||||
ch = s.next()
|
||||
hasMantissa = true
|
||||
}
|
||||
if !hasMantissa {
|
||||
s.error("illegal hexadecimal number")
|
||||
}
|
||||
} else {
|
||||
// octal int or float
|
||||
has8or9 := false
|
||||
for isDecimal(ch) {
|
||||
if ch > '7' {
|
||||
has8or9 = true
|
||||
}
|
||||
ch = s.next()
|
||||
}
|
||||
if s.Mode&ScanFloats != 0 && (ch == '.' || ch == 'e' || ch == 'E') {
|
||||
// float
|
||||
ch = s.scanFraction(ch)
|
||||
ch = s.scanExponent(ch)
|
||||
return Float, ch
|
||||
}
|
||||
// octal int
|
||||
if has8or9 {
|
||||
s.error("illegal octal number")
|
||||
}
|
||||
}
|
||||
return Int, ch
|
||||
}
|
||||
// decimal int or float
|
||||
ch = s.scanMantissa(ch)
|
||||
if s.Mode&ScanFloats != 0 && (ch == '.' || ch == 'e' || ch == 'E') {
|
||||
// float
|
||||
ch = s.scanFraction(ch)
|
||||
ch = s.scanExponent(ch)
|
||||
return Float, ch
|
||||
}
|
||||
return Int, ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanDigits(ch rune, base, n int) rune {
|
||||
for n > 0 && digitVal(ch) < base {
|
||||
ch = s.next()
|
||||
n--
|
||||
}
|
||||
if n > 0 {
|
||||
s.error("illegal char escape")
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanEscape(quote rune) rune {
|
||||
ch := s.next() // read character after '/'
|
||||
switch ch {
|
||||
case 'a', 'b', 'f', 'n', 'r', 't', 'v', '\\', quote:
|
||||
// nothing to do
|
||||
ch = s.next()
|
||||
case '0', '1', '2', '3', '4', '5', '6', '7':
|
||||
ch = s.scanDigits(ch, 8, 3)
|
||||
case 'x':
|
||||
ch = s.scanDigits(s.next(), 16, 2)
|
||||
case 'u':
|
||||
ch = s.scanDigits(s.next(), 16, 4)
|
||||
case 'U':
|
||||
ch = s.scanDigits(s.next(), 16, 8)
|
||||
default:
|
||||
s.error("illegal char escape")
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
func (s *Scanner) scanString(quote rune) (n int) {
|
||||
ch := s.next() // read character after quote
|
||||
for ch != quote {
|
||||
if ch == '\n' || ch < 0 {
|
||||
s.error("literal not terminated")
|
||||
return
|
||||
}
|
||||
if ch == '\\' {
|
||||
ch = s.scanEscape(quote)
|
||||
} else {
|
||||
ch = s.next()
|
||||
}
|
||||
n++
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func (s *Scanner) scanRawString() {
|
||||
ch := s.next() // read character after '`'
|
||||
for ch != '`' {
|
||||
if ch < 0 {
|
||||
s.error("literal not terminated")
|
||||
return
|
||||
}
|
||||
ch = s.next()
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Scanner) scanChar() {
|
||||
if s.scanString('\'') != 1 {
|
||||
s.error("illegal char literal")
|
||||
}
|
||||
}
|
||||
|
||||
func (s *Scanner) scanComment(ch rune) rune {
|
||||
// ch == '/' || ch == '*'
|
||||
if ch == '/' {
|
||||
// line comment
|
||||
ch = s.next() // read character after "//"
|
||||
for ch != '\n' && ch >= 0 {
|
||||
ch = s.next()
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
// general comment
|
||||
ch = s.next() // read character after "/*"
|
||||
for {
|
||||
if ch < 0 {
|
||||
s.error("comment not terminated")
|
||||
break
|
||||
}
|
||||
ch0 := ch
|
||||
ch = s.next()
|
||||
if ch0 == '*' && ch == '/' {
|
||||
ch = s.next()
|
||||
break
|
||||
}
|
||||
}
|
||||
return ch
|
||||
}
|
||||
|
||||
// Scan reads the next token or Unicode character from source and returns it.
|
||||
// It only recognizes tokens t for which the respective Mode bit (1<<-t) is set.
|
||||
// It returns EOF at the end of the source. It reports scanner errors (read and
|
||||
// token errors) by calling s.Error, if not nil; otherwise it prints an error
|
||||
// message to os.Stderr.
|
||||
func (s *Scanner) Scan() rune {
|
||||
ch := s.Peek()
|
||||
|
||||
// reset token text position
|
||||
s.tokPos = -1
|
||||
s.Line = 0
|
||||
|
||||
redo:
|
||||
// skip white space
|
||||
for s.Whitespace&(1<<uint(ch)) != 0 {
|
||||
ch = s.next()
|
||||
}
|
||||
|
||||
// start collecting token text
|
||||
s.tokBuf.Reset()
|
||||
s.tokPos = s.srcPos - s.lastCharLen
|
||||
|
||||
// set token position
|
||||
// (this is a slightly optimized version of the code in Pos())
|
||||
s.Offset = s.srcBufOffset + s.tokPos
|
||||
if s.column > 0 {
|
||||
// common case: last character was not a '\n'
|
||||
s.Line = s.line
|
||||
s.Column = s.column
|
||||
} else {
|
||||
// last character was a '\n'
|
||||
// (we cannot be at the beginning of the source
|
||||
// since we have called next() at least once)
|
||||
s.Line = s.line - 1
|
||||
s.Column = s.lastLineLen
|
||||
}
|
||||
|
||||
// determine token value
|
||||
tok := ch
|
||||
switch {
|
||||
case detectIdent(ch):
|
||||
if s.Mode&ScanIdents != 0 {
|
||||
tok = Ident
|
||||
ch = s.scanIdentifier()
|
||||
} else {
|
||||
ch = s.next()
|
||||
}
|
||||
case isDecimal(ch):
|
||||
if s.Mode&(ScanInts|ScanFloats) != 0 {
|
||||
tok, ch = s.scanNumber(ch)
|
||||
} else {
|
||||
ch = s.next()
|
||||
}
|
||||
default:
|
||||
switch ch {
|
||||
case '"':
|
||||
if s.Mode&ScanStrings != 0 {
|
||||
s.scanString('"')
|
||||
tok = String
|
||||
}
|
||||
ch = s.next()
|
||||
case '\'':
|
||||
if s.Mode&ScanChars != 0 {
|
||||
s.scanChar()
|
||||
tok = Char
|
||||
}
|
||||
ch = s.next()
|
||||
case '.':
|
||||
ch = s.next()
|
||||
if isDecimal(ch) && s.Mode&ScanFloats != 0 {
|
||||
tok = Float
|
||||
ch = s.scanMantissa(ch)
|
||||
ch = s.scanExponent(ch)
|
||||
}
|
||||
case '/':
|
||||
ch = s.next()
|
||||
if (ch == '/' || ch == '*') && s.Mode&ScanComments != 0 {
|
||||
if s.Mode&SkipComments != 0 {
|
||||
s.tokPos = -1 // don't collect token text
|
||||
ch = s.scanComment(ch)
|
||||
goto redo
|
||||
}
|
||||
ch = s.scanComment(ch)
|
||||
tok = Comment
|
||||
}
|
||||
case '`':
|
||||
if s.Mode&ScanRawStrings != 0 {
|
||||
s.scanRawString()
|
||||
tok = String
|
||||
}
|
||||
ch = s.next()
|
||||
default:
|
||||
ch = s.next()
|
||||
}
|
||||
}
|
||||
|
||||
// end of token text
|
||||
s.tokEnd = s.srcPos - s.lastCharLen
|
||||
|
||||
s.ch = ch
|
||||
return tok
|
||||
}
|
||||
|
||||
// Pos returns the position of the character immediately after
|
||||
// the character or token returned by the last call to Next or Scan.
|
||||
func (s *Scanner) Pos() (pos Position) {
|
||||
pos.Filename = s.Filename
|
||||
pos.Offset = s.srcBufOffset + s.srcPos - s.lastCharLen
|
||||
switch {
|
||||
case s.column > 0:
|
||||
// common case: last character was not a '\n'
|
||||
pos.Line = s.line
|
||||
pos.Column = s.column
|
||||
case s.lastLineLen > 0:
|
||||
// last character was a '\n'
|
||||
pos.Line = s.line - 1
|
||||
pos.Column = s.lastLineLen
|
||||
default:
|
||||
// at the beginning of the source
|
||||
pos.Line = 1
|
||||
pos.Column = 1
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// TokenText returns the string corresponding to the most recently scanned token.
|
||||
// Valid after calling Scan().
|
||||
func (s *Scanner) TokenText() string {
|
||||
if s.tokPos < 0 {
|
||||
// no token text
|
||||
return ""
|
||||
}
|
||||
|
||||
if s.tokEnd < 0 {
|
||||
// if EOF was reached, s.tokEnd is set to -1 (s.srcPos == 0)
|
||||
s.tokEnd = s.tokPos
|
||||
}
|
||||
|
||||
if s.tokBuf.Len() == 0 {
|
||||
// common case: the entire token text is still in srcBuf
|
||||
return string(s.srcBuf[s.tokPos:s.tokEnd])
|
||||
}
|
||||
|
||||
// part of the token text was saved in tokBuf: save the rest in
|
||||
// tokBuf as well and return its content
|
||||
s.tokBuf.Write(s.srcBuf[s.tokPos:s.tokEnd])
|
||||
s.tokPos = s.tokEnd // ensure idempotency of TokenText() call
|
||||
return s.tokBuf.String()
|
||||
}
|
||||
Loading…
Reference in a new issue