74 lines
2.0 KiB
VimL
74 lines
2.0 KiB
VimL
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" Vim syntax file
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" Language: JSON
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" Maintainer: Jeroen Ruigrok van der Werven <asmodai@in-nomine.org>
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" Last Change: 2009-06-16
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" Version: 0.4
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" {{{1
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" Syntax setup {{{2
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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if !exists("main_syntax")
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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let main_syntax = 'json'
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endif
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" Syntax: Strings {{{2
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syn region jsonString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=jsonEscape
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" Syntax: JSON does not allow strings with single quotes, unlike JavaScript.
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syn region jsonStringSQ start=+'+ skip=+\\\\\|\\"+ end=+'+
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" Syntax: Escape sequences {{{3
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syn match jsonEscape "\\["\\/bfnrt]" contained
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syn match jsonEscape "\\u\x\{4}" contained
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" Syntax: Strings should always be enclosed with quotes.
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syn match jsonNoQuotes "\<\a\+\>"
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" Syntax: Numbers {{{2
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syn match jsonNumber "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>"
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" Syntax: An integer part of 0 followed by other digits is not allowed.
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syn match jsonNumError "-\=\<0\d\.\d*\>"
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" Syntax: Boolean {{{2
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syn keyword jsonBoolean true false
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" Syntax: Null {{{2
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syn keyword jsonNull null
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" Syntax: Braces {{{2
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syn match jsonBraces "[{}\[\]]"
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" Define the default highlighting. {{{1
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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if version >= 508 || !exists("did_json_syn_inits")
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if version < 508
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let did_json_syn_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink jsonString String
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HiLink jsonEscape Special
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HiLink jsonNumber Number
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HiLink jsonBraces Operator
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HiLink jsonNull Function
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HiLink jsonBoolean Boolean
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HiLink jsonNumError Error
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HiLink jsonStringSQ Error
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HiLink jsonNoQuotes Error
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delcommand HiLink
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endif
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let b:current_syntax = "json"
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if main_syntax == 'json'
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unlet main_syntax
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endif
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