73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Copyright (c) 2017 Ernest Micklei
|
|
//
|
|
// MIT License
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining
|
|
// a copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to
|
|
// permit persons to whom the Software is furnished to do so, subject to
|
|
// the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be
|
|
// included in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
package proto
|
|
|
|
import (
|
|
"text/scanner"
|
|
)
|
|
|
|
// Import holds a filename to another .proto definition.
|
|
type Import struct {
|
|
Position scanner.Position
|
|
Comment *Comment
|
|
Filename string
|
|
Kind string // weak, public, <empty>
|
|
InlineComment *Comment
|
|
Parent Visitee
|
|
}
|
|
|
|
func (i *Import) parse(p *Parser) error {
|
|
_, tok, lit := p.next()
|
|
switch tok {
|
|
case tWEAK:
|
|
i.Kind = lit
|
|
return i.parse(p)
|
|
case tPUBLIC:
|
|
i.Kind = lit
|
|
return i.parse(p)
|
|
case tIDENT:
|
|
i.Filename = unQuote(lit)
|
|
default:
|
|
return p.unexpected(lit, "import classifier weak|public|quoted", i)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Accept dispatches the call to the visitor.
|
|
func (i *Import) Accept(v Visitor) {
|
|
v.VisitImport(i)
|
|
}
|
|
|
|
// inlineComment is part of commentInliner.
|
|
func (i *Import) inlineComment(c *Comment) {
|
|
i.InlineComment = c
|
|
}
|
|
|
|
// Doc is part of Documented
|
|
func (i *Import) Doc() *Comment {
|
|
return i.Comment
|
|
}
|
|
|
|
func (i *Import) parent(v Visitee) { i.Parent = v }
|