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" Vim syntax file
" Language: JSON
" Maintainer: Eli Parra <eli@elzr.com>
" Last Change: 2014 Aug 23
" Version: 0.12
if !exists("main_syntax")
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
let main_syntax = 'json'
endif
syntax match jsonNoise /\%(:\|,\)/
" NOTE that for the concealing to work your conceallevel should be set to 2
" Syntax: Strings
" Separated into a match and region because a region by itself is always greedy
syn match jsonStringMatch /"\([^"]\|\\\"\)\+"\ze[[:blank:]\r\n]*[,}\]]/ contains=jsonString
if has('conceal')
syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ concealends contains=jsonEscape contained
else
syn region jsonString oneline matchgroup=jsonQuote start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=jsonEscape contained
endif
" Syntax: JSON does not allow strings with single quotes, unlike JavaScript.
syn region jsonStringSQError oneline start=+'+ skip=+\\\\\|\\"+ end=+'+
" Syntax: JSON Keywords
" Separated into a match and region because a region by itself is always greedy
syn match jsonKeywordMatch /"\([^"]\|\\\"\)\+"[[:blank:]\r\n]*\:/ contains=jsonKeyword
if has('conceal')
syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ concealends contained
else
syn region jsonKeyword matchgroup=jsonQuote start=/"/ end=/"\ze[[:blank:]\r\n]*\:/ contained
endif
" Syntax: Escape sequences
syn match jsonEscape "\\["\\/bfnrt]" contained
syn match jsonEscape "\\u\x\{4}" contained
" Syntax: Numbers
syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>\ze[[:blank:]\r\n]*[,}\]]"
" ERROR WARNINGS **********************************************
if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1)
" Syntax: Strings should always be enclosed with quotes.
syn match jsonNoQuotesError "\<[[:alpha:]][[:alnum:]]*\>"
syn match jsonTripleQuotesError /"""/
" Syntax: An integer part of 0 followed by other digits is not allowed.
syn match jsonNumError "-\=\<0\d\.\d*\>"
" Syntax: Decimals smaller than one should begin with 0 (so .1 should be 0.1).
syn match jsonNumError "\:\@<=[[:blank:]\r\n]*\zs\.\d\+"
" Syntax: No comments in JSON, see http://stackoverflow.com/questions/244777/can-i-comment-a-json-file
syn match jsonCommentError "//.*"
syn match jsonCommentError "\(/\*\)\|\(\*/\)"
" Syntax: No semicolons in JSON
syn match jsonSemicolonError ";"
" Syntax: No trailing comma after the last element of arrays or objects
syn match jsonTrailingCommaError ",\_s*[}\]]"
" Syntax: Watch out for missing commas between elements
syn match jsonMissingCommaError /\("\|\]\|\d\)\zs\_s\+\ze"/
syn match jsonMissingCommaError /\(\]\|\}\)\_s\+\ze"/ "arrays/objects as values
syn match jsonMissingCommaError /}\_s\+\ze{/ "objects as elements in an array
syn match jsonMissingCommaError /\(true\|false\)\_s\+\ze"/ "true/false as value
endif
" ********************************************** END OF ERROR WARNINGS
" Allowances for JSONP: function call at the beginning of the file,
" parenthesis and semicolon at the end.
" Function name validation based on
" http://stackoverflow.com/questions/2008279/validate-a-javascript-function-name/2008444#2008444
syn match jsonPadding "\%^[[:blank:]\r\n]*[_$[:alpha:]][_$[:alnum:]]*[[:blank:]\r\n]*("
syn match jsonPadding ");[[:blank:]\r\n]*\%$"
" Syntax: Boolean
syn match jsonBoolean /\(true\|false\)\(\_s\+\ze"\)\@!/
" Syntax: Null
syn keyword jsonNull null
" Syntax: Braces
syn region jsonFold matchgroup=jsonBraces start="{" end=/}\(\_s\+\ze\("\|{\)\)\@!/ transparent fold
syn region jsonFold matchgroup=jsonBraces start="\[" end=/]\(\_s\+\ze"\)\@!/ transparent fold
" Define the default highlighting.
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_json_syn_inits")
if version < 508
let did_json_syn_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink jsonPadding Operator
HiLink jsonString String
HiLink jsonTest Label
HiLink jsonEscape Special
HiLink jsonNumber Number
HiLink jsonBraces Delimiter
HiLink jsonNull Function
HiLink jsonBoolean Boolean
HiLink jsonKeyword Label
if (!exists("g:vim_json_warnings") || g:vim_json_warnings==1)
HiLink jsonNumError Error
HiLink jsonCommentError Error
HiLink jsonSemicolonError Error
HiLink jsonTrailingCommaError Error
HiLink jsonMissingCommaError Error
HiLink jsonStringSQError Error
HiLink jsonNoQuotesError Error
HiLink jsonTripleQuotesError Error
endif
HiLink jsonQuote Quote
HiLink jsonNoise Noise
delcommand HiLink
endif
let b:current_syntax = "json"
if main_syntax == 'json'
unlet main_syntax
endif
" Vim settings
" vim: ts=8 fdm=marker
" MIT License
" Copyright (c) 2013, Jeroen Ruigrok van der Werven, Eli Parra
"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:
"The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
"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.
"See https://twitter.com/elzr/status/294964017926119424
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