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 24 package proto 25 26 import ( 27 "text/scanner" 28 ) 29 30 // Import holds a filename to another .proto definition. 31 type Import struct { 32 Position scanner.Position 33 Comment *Comment 34 Filename string 35 Kind string // weak, public, <empty> 36 InlineComment *Comment 37 Parent Visitee 38 } 39 40 func (i *Import) parse(p *Parser) error { 41 _, tok, lit := p.next() 42 switch tok { 43 case tWEAK: 44 i.Kind = lit 45 return i.parse(p) 46 case tPUBLIC: 47 i.Kind = lit 48 return i.parse(p) 49 case tIDENT: 50 i.Filename, _ = unQuote(lit) 51 default: 52 return p.unexpected(lit, "import classifier weak|public|quoted", i) 53 } 54 return nil 55 } 56 57 // Accept dispatches the call to the visitor. 58 func (i *Import) Accept(v Visitor) { 59 v.VisitImport(i) 60 } 61 62 // inlineComment is part of commentInliner. 63 func (i *Import) inlineComment(c *Comment) { 64 i.InlineComment = c 65 } 66 67 // Doc is part of Documented 68 func (i *Import) Doc() *Comment { 69 return i.Comment 70 } 71 72 func (i *Import) parent(v Visitee) { i.Parent = v } 73