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30547
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1 " PRELUDE {{{1
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2 " Vim syntax file
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3 " Language: Hare
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4 " Maintainer: Amelia Clarke <me@rsaihe.dev>
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5 " Last Change: 2022-09-21
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6
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7 if exists("b:current_syntax")
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8 finish
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9 endif
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10 let b:current_syntax = "hare"
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11
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12 " SYNTAX {{{1
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13 syn case match
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14
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15 " KEYWORDS {{{2
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16 syn keyword hareConditional if else match switch
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17 syn keyword hareKeyword break continue return yield
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18 syn keyword hareKeyword defer
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19 syn keyword hareKeyword fn
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20 syn keyword hareKeyword let
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21 syn keyword hareLabel case
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22 syn keyword hareOperator as is
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23 syn keyword hareRepeat for
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24 syn keyword hareStorageClass const def export nullable static
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25 syn keyword hareStructure enum struct union
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26 syn keyword hareTypedef type
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27
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28 " C ABI.
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29 syn keyword hareKeyword vastart vaarg vaend
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30
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31 " BUILTINS {{{2
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32 syn keyword hareBuiltin abort
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33 syn keyword hareBuiltin alloc free
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34 syn keyword hareBuiltin append delete insert
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35 syn keyword hareBuiltin assert
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36 syn keyword hareBuiltin len offset
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37
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38 " TYPES {{{2
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39 syn keyword hareType bool
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40 syn keyword hareType char str
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41 syn keyword hareType f32 f64
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42 syn keyword hareType u8 u16 u32 u64 i8 i16 i32 i64
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43 syn keyword hareType uint int
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44 syn keyword hareType rune
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45 syn keyword hareType uintptr
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46 syn keyword hareType void
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47
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48 " C ABI.
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49 syn keyword hareType valist
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50
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51 " LITERALS {{{2
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52 syn keyword hareBoolean true false
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53 syn keyword hareNull null
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54
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55 " Number literals.
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56 syn match hareNumber "\v(\.@1<!|\.\.)\zs<\d+([Ee][+-]?\d+)?(z|[iu](8|16|32|64)?)?>" display
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57 syn match hareNumber "\v(\.@1<!|\.\.)\zs<0b[01]+(z|[iu](8|16|32|64)?)?>" display
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58 syn match hareNumber "\v(\.@1<!|\.\.)\zs<0o\o+(z|[iu](8|16|32|64)?)?>" display
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59 syn match hareNumber "\v(\.@1<!|\.\.)\zs<0x\x+(z|[iu](8|16|32|64)?)?>" display
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60
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61 " Floating-point number literals.
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62 syn match hareFloat "\v<\d+\.\d+([Ee][+-]?\d+)?(f32|f64)?>" display
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63 syn match hareFloat "\v<\d+([Ee][+-]?\d+)?(f32|f64)>" display
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64
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65 " String and rune literals.
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66 syn match hareEscape "\\[\\'"0abfnrtv]" contained display
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67 syn match hareEscape "\v\\(x\x{2}|u\x{4}|U\x{8})" contained display
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68 syn match hareFormat "\v\{\d*(\%\d*|(:[ 0+-]?\d*(\.\d+)?[Xbox]?))?}" contained display
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69 syn match hareFormat "\({{\|}}\)" contained display
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70 syn region hareRune start="'" end="'\|$" skip="\\'" contains=hareEscape display extend
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71 syn region hareString start=+"+ end=+"\|$+ skip=+\\"+ contains=hareEscape,hareFormat display extend
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72 syn region hareString start="`" end="`\|$" contains=hareFormat display
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73
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74 " MISCELLANEOUS {{{2
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75 syn keyword hareTodo FIXME TODO XXX contained
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76
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77 " Attributes.
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78 syn match hareAttribute "@[a-z]*"
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79
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80 " Blocks.
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81 syn region hareBlock start="{" end="}" fold transparent
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82
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83 " Comments.
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84 syn region hareComment start="//" end="$" contains=hareCommentDoc,hareTodo,@Spell display keepend
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85 syn region hareCommentDoc start="\[\[" end="]]\|\ze\_s" contained display
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86
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87 " The size keyword can be either a builtin or a type.
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88 syn match hareBuiltin "\v<size>\ze(\_s*//.*\_$)*\_s*\(" contains=hareComment
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89 syn match hareType "\v<size>((\_s*//.*\_$)*\_s*\()@!" contains=hareComment
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90
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91 " Trailing whitespace.
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92 syn match hareSpaceError "\v\s+$" display excludenl
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93 syn match hareSpaceError "\v\zs +\ze\t" display
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94
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95 " Use statement.
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96 syn region hareUse start="\v^\s*\zsuse>" end=";" contains=hareComment display
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97
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98 syn match hareErrorAssertion "\v(^([^/]|//@!)*\)\_s*)@<=!\=@!"
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99 syn match hareQuestionMark "?"
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100
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101 " DEFAULT HIGHLIGHTING {{{1
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102 hi def link hareAttribute Keyword
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103 hi def link hareBoolean Boolean
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104 hi def link hareBuiltin Function
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105 hi def link hareComment Comment
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106 hi def link hareCommentDoc SpecialComment
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107 hi def link hareConditional Conditional
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108 hi def link hareEscape SpecialChar
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109 hi def link hareFloat Float
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110 hi def link hareFormat SpecialChar
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111 hi def link hareKeyword Keyword
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112 hi def link hareLabel Label
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113 hi def link hareNull Constant
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114 hi def link hareNumber Number
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115 hi def link hareOperator Operator
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116 hi def link hareQuestionMark Special
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117 hi def link hareRepeat Repeat
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118 hi def link hareRune Character
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119 hi def link hareStorageClass StorageClass
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120 hi def link hareString String
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121 hi def link hareStructure Structure
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122 hi def link hareTodo Todo
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123 hi def link hareType Type
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124 hi def link hareTypedef Typedef
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125 hi def link hareUse PreProc
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126
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127 hi def link hareSpaceError Error
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128 autocmd InsertEnter * hi link hareSpaceError NONE
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129 autocmd InsertLeave * hi link hareSpaceError Error
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130
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131 hi def hareErrorAssertion ctermfg=red cterm=bold guifg=red gui=bold
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132
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133 " vim: tabstop=8 shiftwidth=2 expandtab
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