1" Vim syntax file 2" Language: JSON 3" Maintainer: Eli Parra <[email protected]> 4" Last Change: 2014 Aug 23 5" Version: 0.12 6 7if !exists("main_syntax") 8 " quit when a syntax file was already loaded 9 if exists("b:current_syntax") 10 finish 11 endif 12 let main_syntax = 'json' 13endif 14 15syntax match jsonNoise /\%(:\|,\)/ 16 17" NOTE that for the concealing to work your conceallevel should be set to 2 18 19" Syntax: Strings 20" Separated into a match and region because a region by itself is always greedy 21syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString 22if has('conceal') 23 syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ concealends contains=jsonEscape contained 24else 25 syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained 26endif 27 28" Syntax: JSON does not allow strings with single quotes, unlike JavaScript. 29syn region jsonStringSQError oneline start=+'+ skip=+\\\\\|\\"+ end=+'+ 30 31" Syntax: JSON Keywords 32" Separated into a match and region because a region by itself is always greedy 33syn match jsonKeywordMatch /"\([^"]\|\\\"\)\+"[[:blank:]\r\n]*\:/ contains=jsonKeyword 34if has('conceal') 35 syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ concealends contained 36else 37 syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contained 38endif 39 40" Syntax: Escape sequences 41syn match jsonEscape "\\["\\/bfnrt]" contained 42syn match jsonEscape "\\u\x\{4}" contained 43 44" Syntax: Numbers 45syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>\ze[[:blank:]\r\n]*[,}\]]" 46 47" ERROR WARNINGS ********************************************** 48if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 49 " Syntax: Strings should always be enclosed with quotes. 50 syn match jsonNoQuotesError "\<[[:alpha:]][[:alnum:]]*\>" 51 syn match jsonTripleQuotesError /"""/ 52 53 " Syntax: An integer part of 0 followed by other digits is not allowed. 54 syn match jsonNumError "-\=\<0\d\.\d*\>" 55 56 " Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1). 57 syn match jsonNumError "\:\@<=[[:blank:]\r\n]*\zs\.\d\+" 58 59 " Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file 60 syn match jsonCommentError "//.*" 61 syn match jsonCommentError "\(/\*\)\|\(\*/\)" 62 63 " Syntax: No semicolons in JSON 64 syn match jsonSemicolonError ";" 65 66 " Syntax: No trailing comma after the last element of arrays or objects 67 syn match jsonTrailingCommaError ",\_s*[}\]]" 68 69 " Syntax: Watch out for missing commas between elements 70 syn match jsonMissingCommaError /\("\|\]\|\d\)\zs\_s\+\ze"/ 71 syn match jsonMissingCommaError /\(\]\|\}\)\_s\+\ze"/ "arrays/objects as values 72 syn match jsonMissingCommaError /}\_s\+\ze{/ "objects as elements in an array 73 syn match jsonMissingCommaError /\(true\|false\)\_s\+\ze"/ "true/false as value 74endif 75 76" ********************************************** END OF ERROR WARNINGS 77" Allowances for JSONP: function call at the beginning of the file, 78" parenthesis and semicolon at the end. 79" Function name validation based on 80" http://stackoverflow.com/questions/2008279/validate-a-javascript-function-name/2008444#2008444 81syn match jsonPadding "\%^[[:blank:]\r\n]*[_$[:alpha:]][_$[:alnum:]]*[[:blank:]\r\n]*(" 82syn match jsonPadding ");[[:blank:]\r\n]*\%$" 83 84" Syntax: Boolean 85syn match jsonBoolean /\(true\|false\)\(\_s\+\ze"\)\@!/ 86 87" Syntax: Null 88syn keyword jsonNull null 89 90" Syntax: Braces 91syn region jsonFold matchgroup=jsonBraces start="{" end=/}\(\_s\+\ze\("\|{\)\)\@!/ transparent fold 92syn region jsonFold matchgroup=jsonBraces start="\[" end=/]\(\_s\+\ze"\)\@!/ transparent fold 93 94" Define the default highlighting. 95" Only when an item doesn't have highlighting yet 96command -nargs=+ HiLink hi def link <args> 97HiLink jsonPadding Operator 98HiLink jsonString String 99HiLink jsonTest Label 100HiLink jsonEscape Special 101HiLink jsonNumber Number 102HiLink jsonBraces Delimiter 103HiLink jsonNull Function 104HiLink jsonBoolean Boolean 105HiLink jsonKeyword Label 106 107if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 108HiLink jsonNumError Error 109HiLink jsonCommentError Error 110HiLink jsonSemicolonError Error 111HiLink jsonTrailingCommaError Error 112HiLink jsonMissingCommaError Error 113HiLink jsonStringSQError Error 114HiLink jsonNoQuotesError Error 115HiLink jsonTripleQuotesError Error 116endif 117HiLink jsonQuote Quote 118HiLink jsonNoise Noise 119delcommand HiLink 120 121let b:current_syntax = "json" 122if main_syntax == 'json' 123 unlet main_syntax 124endif 125 126" Vim settings 127" vim: ts=8 fdm=marker 128 129" MIT License 130" Copyright (c) 2013, Jeroen Ruigrok van der Werven, Eli Parra 131"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: 132"The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 133"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. 134"See https://twitter.com/elzr/status/294964017926119424 135