First commit

.vim/syntax/json.vim

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