1" Vim syntax file 2" Language: JSON 3" Maintainer: vacancy 4" Previous Maintainer: Eli Parra <[email protected]> 5" Last Change: 2019 Sep 17 6" Version: 0.12 7 8if !exists("main_syntax") 9 " quit when a syntax file was already loaded 10 if exists("b:current_syntax") 11 finish 12 endif 13 let main_syntax = 'json' 14endif 15 16syntax match jsonNoise /\%(:\|,\)/ 17 18" NOTE that for the concealing to work your conceallevel should be set to 2 19 20" Syntax: JSON Keywords 21" Separated into a match and region because a region by itself is always greedy 22syn match jsonKeywordMatch /"\([^"]\|\\\"\)\+"[[:blank:]\r\n]*\:/ contains=jsonKeyword 23if has('conceal') && (!exists("g:vim_json_conceal") || g:vim_json_conceal==1) 24 syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ concealends contained 25else 26 syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contained 27endif 28 29" Syntax: Strings 30" Separated into a match and region because a region by itself is always greedy 31" Needs to come after keywords or else a json encoded string will break the 32" syntax 33syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString 34if has('conceal') && (!exists("g:vim_json_conceal") || g:vim_json_conceal==1) 35 syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ concealends contains=jsonEscape contained 36else 37 syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained 38endif 39 40" Syntax: JSON does not allow strings with single quotes, unlike JavaScript. 41syn region jsonStringSQError oneline start=+'+ skip=+\\\\\|\\"+ end=+'+ 42 43 44" Syntax: Escape sequences 45syn match jsonEscape "\\["\\/bfnrt]" contained 46syn match jsonEscape "\\u\x\{4}" contained 47 48" Syntax: Numbers 49syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>\ze[[:blank:]\r\n]*[,}\]]" 50 51" ERROR WARNINGS ********************************************** 52if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 53 " Syntax: Strings should always be enclosed with quotes. 54 syn match jsonNoQuotesError "\<[[:alpha:]][[:alnum:]]*\>" 55 syn match jsonTripleQuotesError /"""/ 56 57 " Syntax: An integer part of 0 followed by other digits is not allowed. 58 syn match jsonNumError "-\=\<0\d\.\d*\>" 59 60 " Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1). 61 syn match jsonNumError "\:\@<=[[:blank:]\r\n]*\zs\.\d\+" 62 63 " Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file 64 syn match jsonCommentError "//.*" 65 syn match jsonCommentError "\(/\*\)\|\(\*/\)" 66 67 " Syntax: No semicolons in JSON 68 syn match jsonSemicolonError ";" 69 70 " Syntax: No trailing comma after the last element of arrays or objects 71 syn match jsonTrailingCommaError ",\_s*[}\]]" 72 73 " Syntax: Watch out for missing commas between elements 74 syn match jsonMissingCommaError /\("\|\]\|\d\)\zs\_s\+\ze"/ 75 syn match jsonMissingCommaError /\(\]\|\}\)\_s\+\ze"/ "arrays/objects as values 76 syn match jsonMissingCommaError /}\_s\+\ze{/ "objects as elements in an array 77 syn match jsonMissingCommaError /\(true\|false\)\_s\+\ze"/ "true/false as value 78endif 79 80" ********************************************** END OF ERROR WARNINGS 81" Allowances for JSONP: function call at the beginning of the file, 82" parenthesis and semicolon at the end. 83" Function name validation based on 84" http://stackoverflow.com/questions/2008279/validate-a-javascript-function-name/2008444#2008444 85syn match jsonPadding "\%^[[:blank:]\r\n]*[_$[:alpha:]][_$[:alnum:]]*[[:blank:]\r\n]*(" 86syn match jsonPadding ");[[:blank:]\r\n]*\%$" 87 88" Syntax: Boolean 89syn match jsonBoolean /\(true\|false\)\(\_s\+\ze"\)\@!/ 90 91" Syntax: Null 92syn keyword jsonNull null 93 94" Syntax: Braces 95syn region jsonFold matchgroup=jsonBraces start="{" end=/}\(\_s\+\ze\("\|{\)\)\@!/ transparent fold 96syn region jsonFold matchgroup=jsonBraces start="\[" end=/]\(\_s\+\ze"\)\@!/ transparent fold 97 98" Define the default highlighting. 99" Only when an item doesn't have highlighting yet 100hi def link jsonPadding Operator 101hi def link jsonString String 102hi def link jsonTest Label 103hi def link jsonEscape Special 104hi def link jsonNumber Number 105hi def link jsonBraces Delimiter 106hi def link jsonNull Function 107hi def link jsonBoolean Boolean 108hi def link jsonKeyword Label 109 110if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 111hi def link jsonNumError Error 112hi def link jsonCommentError Error 113hi def link jsonSemicolonError Error 114hi def link jsonTrailingCommaError Error 115hi def link jsonMissingCommaError Error 116hi def link jsonStringSQError Error 117hi def link jsonNoQuotesError Error 118hi def link jsonTripleQuotesError Error 119endif 120hi def link jsonQuote Quote 121hi def link jsonNoise Noise 122 123let b:current_syntax = "json" 124if main_syntax == 'json' 125 unlet main_syntax 126endif 127 128" Vim settings 129" vim: ts=8 fdm=marker 130 131" MIT License 132" Copyright (c) 2013, Jeroen Ruigrok van der Werven, Eli Parra 133"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: 134"The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 135"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. 136"See https://twitter.com/elzr/status/294964017926119424 137