1// Copyright (c) 2017 Ernest Micklei
2//
3// MIT License
4//
5// Permission is hereby granted, free of charge, to any person obtaining
6// a copy of this software and associated documentation files (the
7// "Software"), to deal in the Software without restriction, including
8// without limitation the rights to use, copy, modify, merge, publish,
9// distribute, sublicense, and/or sell copies of the Software, and to
10// permit persons to whom the Software is furnished to do so, subject to
11// the following conditions:
12//
13// The above copyright notice and this permission notice shall be
14// included in all copies or substantial portions of the Software.
15//
16// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
24package proto
25
26import (
27	"text/scanner"
28)
29
30// Syntax should have value "proto"
31type Syntax struct {
32	Position      scanner.Position
33	Comment       *Comment
34	Value         string
35	InlineComment *Comment
36}
37
38func (s *Syntax) parse(p *Parser) error {
39	if _, tok, lit := p.next(); tok != tEQUALS {
40		return p.unexpected(lit, "syntax =", s)
41	}
42	_, _, lit := p.next()
43	if !isString(lit) {
44		return p.unexpected(lit, "syntax string constant", s)
45	}
46	s.Value = unQuote(lit)
47	return nil
48}
49
50// Accept dispatches the call to the visitor.
51func (s *Syntax) Accept(v Visitor) {
52	v.VisitSyntax(s)
53}
54
55// Doc is part of Documented
56func (s *Syntax) Doc() *Comment {
57	return s.Comment
58}
59
60// inlineComment is part of commentInliner.
61func (s *Syntax) inlineComment(c *Comment) {
62	s.InlineComment = c
63}
64