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1 " Vim syntax file
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2 " Language: bc - An arbitrary precision calculator language
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3 " Maintainer: Vladimir Scholtz <vlado@gjh.sk>
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3557
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4 " Last change: 2012 Jun 01
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5 " (Dominique Pelle added @Spell)
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7
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6 " Available on: www.gjh.sk/~vlado/bc.vim
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7
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8 " For version 5.x: Clear all syntax items
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9 " For version 6.x: Quit when a syntax file was already loaded
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10 if version < 600
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11 syntax clear
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12 elseif exists("b:current_syntax")
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13 finish
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14 endif
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15
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16 syn case ignore
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17
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18 " Keywords
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19 syn keyword bcKeyword if else while for break continue return limits halt quit
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20 syn keyword bcKeyword define
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21 syn keyword bcKeyword length read sqrt print
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22
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23 " Variable
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24 syn keyword bcType auto
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25
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26 " Constant
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27 syn keyword bcConstant scale ibase obase last
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28 syn keyword bcConstant BC_BASE_MAX BC_DIM_MAX BC_SCALE_MAX BC_STRING_MAX
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29 syn keyword bcConstant BC_ENV_ARGS BC_LINE_LENGTH
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30
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31 " Any other stuff
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32 syn match bcIdentifier "[a-z_][a-z0-9_]*"
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33
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34 " String
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35 syn match bcString "\"[^"]*\"" contains=@Spell
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36
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37 " Number
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38 syn match bcNumber "[0-9]\+"
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39
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40 " Comment
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41 syn match bcComment "\#.*" contains=@Spell
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42 syn region bcComment start="/\*" end="\*/" contains=@Spell
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43
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44 " Parent ()
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45 syn cluster bcAll contains=bcList,bcIdentifier,bcNumber,bcKeyword,bcType,bcConstant,bcString,bcParentError
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46 syn region bcList matchgroup=Delimiter start="(" skip="|.\{-}|" matchgroup=Delimiter end=")" contains=@bcAll
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47 syn region bcList matchgroup=Delimiter start="\[" skip="|.\{-}|" matchgroup=Delimiter end="\]" contains=@bcAll
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48 syn match bcParenError "]"
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49 syn match bcParenError ")"
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50
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51
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52
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53 syn case match
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54
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55 " Define the default highlighting.
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56 " For version 5.7 and earlier: only when not done already
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57 " For version 5.8 and later: only when an item doesn't have highlighting yet
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58 if version >= 508 || !exists("did_bc_syntax_inits")
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59 if version < 508
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60 let did_bc_syntax_inits = 1
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61 command -nargs=+ HiLink hi link <args>
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62 else
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63 command -nargs=+ HiLink hi def link <args>
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64 endif
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65
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66 HiLink bcKeyword Statement
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67 HiLink bcType Type
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68 HiLink bcConstant Constant
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69 HiLink bcNumber Number
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70 HiLink bcComment Comment
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71 HiLink bcString String
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72 HiLink bcSpecialChar SpecialChar
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73 HiLink bcParenError Error
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74
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75 delcommand HiLink
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76 endif
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77
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78 let b:current_syntax = "bc"
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79 " vim: ts=8
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