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" Vim syntax file
" Language: bc - An arbitrary precision calculator language
" Maintainer: Vladimir Scholtz <vlado@gjh.sk>
" Last change: 2012 Jun 01
" (Dominique Pelle added @Spell)
" Available on: www.gjh.sk/~vlado/bc.vim
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
syn case ignore
" Keywords
syn keyword bcKeyword if else while for break continue return limits halt quit
syn keyword bcKeyword define
syn keyword bcKeyword length read sqrt print
" Variable
syn keyword bcType auto
" Constant
syn keyword bcConstant scale ibase obase last
syn keyword bcConstant BC_BASE_MAX BC_DIM_MAX BC_SCALE_MAX BC_STRING_MAX
syn keyword bcConstant BC_ENV_ARGS BC_LINE_LENGTH
" Any other stuff
syn match bcIdentifier "[a-z_][a-z0-9_]*"
" String
syn match bcString "\"[^"]*\"" contains=@Spell
" Number
syn match bcNumber "[0-9]\+"
" Comment
syn match bcComment "\#.*" contains=@Spell
syn region bcComment start="/\*" end="\*/" contains=@Spell
" Parent ()
syn cluster bcAll contains=bcList,bcIdentifier,bcNumber,bcKeyword,bcType,bcConstant,bcString,bcParentError
syn region bcList matchgroup=Delimiter start="(" skip="|.\{-}|" matchgroup=Delimiter end=")" contains=@bcAll
syn region bcList matchgroup=Delimiter start="\[" skip="|.\{-}|" matchgroup=Delimiter end="\]" contains=@bcAll
syn match bcParenError "]"
syn match bcParenError ")"
syn case match
" 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_bc_syntax_inits")
if version < 508
let did_bc_syntax_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink bcKeyword Statement
HiLink bcType Type
HiLink bcConstant Constant
HiLink bcNumber Number
HiLink bcComment Comment
HiLink bcString String
HiLink bcSpecialChar SpecialChar
HiLink bcParenError Error
delcommand HiLink
endif
let b:current_syntax = "bc"
" vim: ts=8
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