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 96hi def link jsonPadding Operator 97hi def link jsonString String 98hi def link jsonTest Label 99hi def link jsonEscape Special 100hi def link jsonNumber Number 101hi def link jsonBraces Delimiter 102hi def link jsonNull Function 103hi def link jsonBoolean Boolean 104hi def link jsonKeyword Label 105 106if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 107hi def link jsonNumError Error 108hi def link jsonCommentError Error 109hi def link jsonSemicolonError Error 110hi def link jsonTrailingCommaError Error 111hi def link jsonMissingCommaError Error 112hi def link jsonStringSQError Error 113hi def link jsonNoQuotesError Error 114hi def link jsonTripleQuotesError Error 115endif 116hi def link jsonQuote Quote 117hi def link jsonNoise Noise 118 119let b:current_syntax = "json" 120if main_syntax == 'json' 121 unlet main_syntax 122endif 123 124" Vim settings 125" vim: ts=8 fdm=marker 126 127" MIT License 128" Copyright (c) 2013, Jeroen Ruigrok van der Werven, Eli Parra 129"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: 130"The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 131"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. 132"See https://twitter.com/elzr/status/294964017926119424 133