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1 " Vim syntax file
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2 " Language: FORM
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3 " Maintainer: Michael M. Tung <michael.tung@uni-mainz.de>
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4 " Last Change: 2001 May 10
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5
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6 " First public release based on 'Symbolic Manipulation with FORM'
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7 " by J.A.M. Vermaseren, CAN, Netherlands, 1991.
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8 " This syntax file is still in development. Please send suggestions
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9 " to the maintainer.
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10
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11 " For version 5.x: Clear all syntax items
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12 " For version 6.x: Quit when a syntax file was already loaded
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13 if version < 600
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14 syntax clear
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15 elseif exists("b:current_syntax")
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16 finish
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17 endif
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18
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19 syn case ignore
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20
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21 " A bunch of useful FORM keywords
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22 syn keyword formType global local
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23 syn keyword formHeaderStatement symbol symbols cfunction cfunctions
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24 syn keyword formHeaderStatement function functions vector vectors
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25 syn keyword formHeaderStatement set sets index indices
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26 syn keyword formHeaderStatement dimension dimensions unittrace
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27 syn keyword formStatement id identify drop skip
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28 syn keyword formStatement write nwrite
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29 syn keyword formStatement format print nprint load save
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30 syn keyword formStatement bracket brackets
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31 syn keyword formStatement multiply count match only discard
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32 syn keyword formStatement trace4 traceN contract symmetrize antisymmetrize
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33 syn keyword formConditional if else endif while
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34 syn keyword formConditional repeat endrepeat label goto
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35
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36 " some special functions
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37 syn keyword formStatement g_ gi_ g5_ g6_ g7_ 5_ 6_ 7_
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38 syn keyword formStatement e_ d_ delta_ theta_ sum_ sump_
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39
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40 " pattern matching for keywords
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41 syn match formComment "^\ *\*.*$"
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42 syn match formComment "\;\ *\*.*$"
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43 syn region formString start=+"+ end=+"+
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44 syn region formString start=+'+ end=+'+
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45 syn match formPreProc "^\=\#[a-zA-z][a-zA-Z0-9]*\>"
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46 syn match formNumber "\<\d\+\>"
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47 syn match formNumber "\<\d\+\.\d*\>"
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48 syn match formNumber "\.\d\+\>"
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49 syn match formNumber "-\d" contains=Number
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50 syn match formNumber "-\.\d" contains=Number
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51 syn match formNumber "i_\+\>"
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52 syn match formNumber "fac_\+\>"
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53 syn match formDirective "^\=\.[a-zA-z][a-zA-Z0-9]*\>"
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54
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55 " hi User Labels
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56 syn sync ccomment formComment minlines=10
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57
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58 " Define the default highlighting.
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59 " For version 5.7 and earlier: only when not done already
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60 " For version 5.8 and later: only when an item doesn't have highlighting yet
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61 if version >= 508 || !exists("did_form_syn_inits")
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62 if version < 508
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63 let did_form_syn_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 formConditional Conditional
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70 HiLink formNumber Number
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71 HiLink formStatement Statement
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72 HiLink formComment Comment
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73 HiLink formPreProc PreProc
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74 HiLink formDirective PreProc
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75 HiLink formType Type
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76 HiLink formString String
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77
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78 if !exists("form_enhanced_color")
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79 HiLink formHeaderStatement Statement
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80 else
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81 " enhanced color mode
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82 HiLink formHeaderStatement HeaderStatement
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83 " dark and a light background for local types
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84 if &background == "dark"
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85 hi HeaderStatement term=underline ctermfg=LightGreen guifg=LightGreen gui=bold
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86 else
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87 hi HeaderStatement term=underline ctermfg=DarkGreen guifg=SeaGreen gui=bold
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88 endif
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89 " change slightly the default for dark gvim
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90 if has("gui_running") && &background == "dark"
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91 hi Conditional guifg=LightBlue gui=bold
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92 hi Statement guifg=LightYellow
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93 endif
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94 endif
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95
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96 delcommand HiLink
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97 endif
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98
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99 let b:current_syntax = "form"
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100
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101 " vim: ts=8
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