json.vim (6274B)
1 " Vim syntax file 2 " Language: JSON 3 " Maintainer: Vito <vito.blog@gmail.com> 4 " Previous Maintainer: Eli Parra <eli@elzr.com> 5 " Last Change: 2019 Sep 17 6 " Version: 0.12 7 8 if !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' 14 endif 15 16 syntax 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 22 syn match jsonKeywordMatch /"\([^"]\|\\\"\)\+"[[:blank:]\r\n]*\:/ contains=jsonKeyword 23 if 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 25 else 26 syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contained 27 endif 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 33 syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString 34 if 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 36 else 37 syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained 38 endif 39 40 " Syntax: JSON does not allow strings with single quotes, unlike JavaScript. 41 syn region jsonStringSQError oneline start=+'+ skip=+\\\\\|\\"+ end=+'+ 42 43 44 " Syntax: Escape sequences 45 syn match jsonEscape "\\["\\/bfnrt]" contained 46 syn match jsonEscape "\\u\x\{4}" contained 47 48 " Syntax: Numbers 49 syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>\ze[[:blank:]\r\n]*[,}\]]" 50 51 " ERROR WARNINGS ********************************************** 52 if (!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 78 endif 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 85 syn match jsonPadding "\%^[[:blank:]\r\n]*[_$[:alpha:]][_$[:alnum:]]*[[:blank:]\r\n]*(" 86 syn match jsonPadding ");[[:blank:]\r\n]*\%$" 87 88 " Syntax: Boolean 89 syn match jsonBoolean /\(true\|false\)\(\_s\+\ze"\)\@!/ 90 91 " Syntax: Null 92 syn keyword jsonNull null 93 94 " Syntax: Braces 95 syn region jsonFold matchgroup=jsonBraces start="{" end=/}\(\_s\+\ze\("\|{\)\)\@!/ transparent fold 96 syn 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 100 hi def link jsonPadding Operator 101 hi def link jsonString String 102 hi def link jsonTest Label 103 hi def link jsonEscape Special 104 hi def link jsonNumber Number 105 hi def link jsonBraces Delimiter 106 hi def link jsonNull Function 107 hi def link jsonBoolean Boolean 108 hi def link jsonKeyword Label 109 110 if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1) 111 hi def link jsonNumError Error 112 hi def link jsonCommentError Error 113 hi def link jsonSemicolonError Error 114 hi def link jsonTrailingCommaError Error 115 hi def link jsonMissingCommaError Error 116 hi def link jsonStringSQError Error 117 hi def link jsonNoQuotesError Error 118 hi def link jsonTripleQuotesError Error 119 endif 120 hi def link jsonQuote Quote 121 hi def link jsonNoise Noise 122 123 let b:current_syntax = "json" 124 if main_syntax == 'json' 125 unlet main_syntax 126 endif 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