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" Vim syntax file
" Language: ChaiScript
" Maintainer: Jason Turner <lefticus 'at' gmail com>
" Quit when a (custom) syntax file was already loaded
if exists("b:current_syntax")
finish
end
syn case match
" syncing method
syn sync fromstart
" Strings
syn region chaiscriptString start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=chaiscriptSpecial,chaiscriptEval,@Spell
" Escape characters
syn match chaiscriptSpecial contained "\\[\\abfnrtv\'\"]\|\\\d\{,3}"
" String evals
syn region chaiscriptEval contained start="${" end="}"
" integer number
syn match chaiscriptNumber "\<\d\+\>"
" floating point number, with dot, optional exponent
syn match chaiscriptFloat "\<\d\+\.\d*\%(e[-+]\=\d\+\)\=\>"
" floating point number, starting with a dot, optional exponent
syn match chaiscriptFloat "\.\d\+\%(e[-+]\=\d\+\)\=\>"
" floating point number, without dot, with exponent
syn match chaiscriptFloat "\<\d\+e[-+]\=\d\+\>"
" Hex strings
syn match chaiscriptNumber "\<0x\x\+\>"
" Binary strings
syn match chaiscriptNumber "\<0b[01]\+\>"
" Various language features
syn keyword chaiscriptCond if else
syn keyword chaiscriptRepeat while for do
syn keyword chaiscriptStatement break continue return
syn keyword chaiscriptExceptions try catch throw
"Keyword
syn keyword chaiscriptKeyword def true false attr
"Built in types
syn keyword chaiscriptType fun var
"Built in funcs, keep it simple
syn keyword chaiscriptFunc eval throw
"Let's treat all backtick operator function lookups as built in too
syn region chaiscriptFunc matchgroup=chaiscriptFunc start="`" end="`"
" Account for the "[1..10]" syntax, treating it as an operator
" Intentionally leaving out all of the normal, well known operators
syn match chaiscriptOperator "\.\."
" Guard seperator as an operator
syn match chaiscriptOperator ":"
" Comments
syn match chaiscriptComment "//.*$" contains=@Spell
syn region chaiscriptComment matchgroup=chaiscriptComment start="/\*" end="\*/" contains=@Spell
hi def link chaiscriptExceptions Exception
hi def link chaiscriptKeyword Keyword
hi def link chaiscriptStatement Statement
hi def link chaiscriptRepeat Repeat
hi def link chaiscriptString String
hi def link chaiscriptNumber Number
hi def link chaiscriptFloat Float
hi def link chaiscriptOperator Operator
hi def link chaiscriptConstant Constant
hi def link chaiscriptCond Conditional
hi def link chaiscriptFunction Function
hi def link chaiscriptComment Comment
hi def link chaiscriptTodo Todo
hi def link chaiscriptError Error
hi def link chaiscriptSpecial SpecialChar
hi def link chaiscriptFunc Identifier
hi def link chaiscriptType Type
hi def link chaiscriptEval Special
let b:current_syntax = "chaiscript"
" vim: nowrap sw=2 sts=2 ts=8 noet