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1 " Vim syntax file
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2 " Language: Simula
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3 " Maintainer: Haakon Riiser <hakonrk@fys.uio.no>
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4 " URL: http://folk.uio.no/hakonrk/vim/syntax/simula.vim
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5 " Last Change: 2001 May 15
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6
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7 " For version 5.x: Clear all syntax items
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8 " For version 6.x: Quit when a syntax file was already loaded
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9 if version < 600
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10 syn clear
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11 elseif exists("b:current_syntax")
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12 finish
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13 endif
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14
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15 " No case sensitivity in Simula
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16 syn case ignore
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17
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18 syn match simulaComment "^%.*$" contains=simulaTodo
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19 syn region simulaComment start="!\|\<comment\>" end=";" contains=simulaTodo
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20
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21 " Text between the keyword 'end' and either a semicolon or one of the
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22 " keywords 'end', 'else', 'when' or 'otherwise' is also a comment
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23 syn region simulaComment start="\<end\>"lc=3 matchgroup=Statement end=";\|\<\(end\|else\|when\|otherwise\)\>"
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24
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25 syn match simulaCharError "'.\{-2,}'"
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26 syn match simulaCharacter "'.'"
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27 syn match simulaCharacter "'!\d\{-}!'" contains=simulaSpecialChar
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28 syn match simulaString '".\{-}"' contains=simulaSpecialChar,simulaTodo
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29
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30 syn keyword simulaBoolean true false
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31 syn keyword simulaCompound begin end
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32 syn keyword simulaConditional else if otherwise then until when
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33 syn keyword simulaConstant none notext
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34 syn keyword simulaFunction procedure
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35 syn keyword simulaOperator eq eqv ge gt imp in is le lt ne new not qua
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36 syn keyword simulaRepeat while for
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37 syn keyword simulaReserved activate after at before delay go goto label prior reactivate switch to
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38 syn keyword simulaStatement do inner inspect step this
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39 syn keyword simulaStorageClass external hidden name protected value
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40 syn keyword simulaStructure class
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41 syn keyword simulaType array boolean character integer long real short text virtual
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42 syn match simulaAssigned "\<\h\w*\s*\((.*)\)\=\s*:\(=\|-\)"me=e-2
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43 syn match simulaOperator "[&:=<>+\-*/]"
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44 syn match simulaOperator "\<and\(\s\+then\)\=\>"
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45 syn match simulaOperator "\<or\(\s\+else\)\=\>"
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46 syn match simulaReferenceType "\<ref\s*(.\{-})"
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47 syn match simulaSemicolon ";"
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48 syn match simulaSpecial "[(),.]"
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49 syn match simulaSpecialCharErr "!\d\{-4,}!" contained
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50 syn match simulaSpecialCharErr "!!" contained
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51 syn match simulaSpecialChar "!\d\{-}!" contains=simulaSpecialCharErr contained
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52 syn match simulaTodo "xxx\+" contained
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53
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54 " Integer number (or float without `.')
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55 syn match simulaNumber "-\=\<\d\+\>"
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56 " Real with optional exponent
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57 syn match simulaReal "-\=\<\d\+\(\.\d\+\)\=\(&&\=[+-]\=\d\+\)\=\>"
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58 " Real starting with a `.', optional exponent
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59 syn match simulaReal "-\=\.\d\+\(&&\=[+-]\=\d\+\)\=\>"
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60
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61 if version >= 508 || !exists("did_simula_syntax_inits")
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62 if version < 508
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63 let did_simula_syntax_inits = 1
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64 command -nargs=+ HiLink hi link <args>
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65 else
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66 command -nargs=+ HiLink hi def link <args>
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67 endif
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68
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69 HiLink simulaAssigned Identifier
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70 HiLink simulaBoolean Boolean
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71 HiLink simulaCharacter Character
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72 HiLink simulaCharError Error
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73 HiLink simulaComment Comment
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74 HiLink simulaCompound Statement
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75 HiLink simulaConditional Conditional
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76 HiLink simulaConstant Constant
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77 HiLink simulaFunction Function
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78 HiLink simulaNumber Number
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79 HiLink simulaOperator Operator
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80 HiLink simulaReal Float
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81 HiLink simulaReferenceType Type
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82 HiLink simulaRepeat Repeat
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83 HiLink simulaReserved Error
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84 HiLink simulaSemicolon Statement
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85 HiLink simulaSpecial Special
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86 HiLink simulaSpecialChar SpecialChar
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87 HiLink simulaSpecialCharErr Error
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88 HiLink simulaStatement Statement
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89 HiLink simulaStorageClass StorageClass
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90 HiLink simulaString String
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91 HiLink simulaStructure Structure
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92 HiLink simulaTodo Todo
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93 HiLink simulaType Type
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94
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95 delcommand HiLink
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96 endif
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97
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98 let b:current_syntax = "simula"
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99 " vim: sts=4 sw=4 ts=8
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