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134 lines
4.2 KiB
VimL
134 lines
4.2 KiB
VimL
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" PRELUDE {{{1
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" Vim syntax file
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" Language: Hare
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" Maintainer: Amelia Clarke <me@rsaihe.dev>
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" Last Change: 2022-09-21
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if exists("b:current_syntax")
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finish
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endif
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let b:current_syntax = "hare"
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" SYNTAX {{{1
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syn case match
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" KEYWORDS {{{2
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syn keyword hareConditional if else match switch
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syn keyword hareKeyword break continue return yield
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syn keyword hareKeyword defer
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syn keyword hareKeyword fn
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syn keyword hareKeyword let
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syn keyword hareLabel case
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syn keyword hareOperator as is
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syn keyword hareRepeat for
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syn keyword hareStorageClass const def export nullable static
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syn keyword hareStructure enum struct union
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syn keyword hareTypedef type
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" C ABI.
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syn keyword hareKeyword vastart vaarg vaend
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" BUILTINS {{{2
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syn keyword hareBuiltin abort
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syn keyword hareBuiltin alloc free
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syn keyword hareBuiltin append delete insert
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syn keyword hareBuiltin assert
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syn keyword hareBuiltin len offset
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" TYPES {{{2
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syn keyword hareType bool
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syn keyword hareType char str
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syn keyword hareType f32 f64
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syn keyword hareType u8 u16 u32 u64 i8 i16 i32 i64
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syn keyword hareType uint int
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syn keyword hareType rune
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syn keyword hareType uintptr
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syn keyword hareType void
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" C ABI.
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syn keyword hareType valist
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" LITERALS {{{2
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syn keyword hareBoolean true false
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syn keyword hareNull null
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" Number literals.
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syn match hareNumber "\v(\.@1<!|\.\.)\zs<\d+([Ee][+-]?\d+)?(z|[iu](8|16|32|64)?)?>" display
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syn match hareNumber "\v(\.@1<!|\.\.)\zs<0b[01]+(z|[iu](8|16|32|64)?)?>" display
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syn match hareNumber "\v(\.@1<!|\.\.)\zs<0o\o+(z|[iu](8|16|32|64)?)?>" display
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syn match hareNumber "\v(\.@1<!|\.\.)\zs<0x\x+(z|[iu](8|16|32|64)?)?>" display
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" Floating-point number literals.
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syn match hareFloat "\v<\d+\.\d+([Ee][+-]?\d+)?(f32|f64)?>" display
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syn match hareFloat "\v<\d+([Ee][+-]?\d+)?(f32|f64)>" display
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" String and rune literals.
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syn match hareEscape "\\[\\'"0abfnrtv]" contained display
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syn match hareEscape "\v\\(x\x{2}|u\x{4}|U\x{8})" contained display
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syn match hareFormat "\v\{\d*(\%\d*|(:[ 0+-]?\d*(\.\d+)?[Xbox]?))?}" contained display
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syn match hareFormat "\({{\|}}\)" contained display
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syn region hareRune start="'" end="'\|$" skip="\\'" contains=hareEscape display extend
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syn region hareString start=+"+ end=+"\|$+ skip=+\\"+ contains=hareEscape,hareFormat display extend
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syn region hareString start="`" end="`\|$" contains=hareFormat display
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" MISCELLANEOUS {{{2
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syn keyword hareTodo FIXME TODO XXX contained
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" Attributes.
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syn match hareAttribute "@[a-z]*"
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" Blocks.
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syn region hareBlock start="{" end="}" fold transparent
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" Comments.
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syn region hareComment start="//" end="$" contains=hareCommentDoc,hareTodo,@Spell display keepend
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syn region hareCommentDoc start="\[\[" end="]]\|\ze\_s" contained display
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" The size keyword can be either a builtin or a type.
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syn match hareBuiltin "\v<size>\ze(\_s*//.*\_$)*\_s*\(" contains=hareComment
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syn match hareType "\v<size>((\_s*//.*\_$)*\_s*\()@!" contains=hareComment
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" Trailing whitespace.
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syn match hareSpaceError "\v\s+$" display excludenl
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syn match hareSpaceError "\v\zs +\ze\t" display
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" Use statement.
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syn region hareUse start="\v^\s*\zsuse>" end=";" contains=hareComment display
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syn match hareErrorAssertion "\v(^([^/]|//@!)*\)\_s*)@<=!\=@!"
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syn match hareQuestionMark "?"
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" DEFAULT HIGHLIGHTING {{{1
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hi def link hareAttribute Keyword
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hi def link hareBoolean Boolean
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hi def link hareBuiltin Function
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hi def link hareComment Comment
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hi def link hareCommentDoc SpecialComment
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hi def link hareConditional Conditional
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hi def link hareEscape SpecialChar
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hi def link hareFloat Float
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hi def link hareFormat SpecialChar
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hi def link hareKeyword Keyword
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hi def link hareLabel Label
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hi def link hareNull Constant
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hi def link hareNumber Number
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hi def link hareOperator Operator
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hi def link hareQuestionMark Special
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hi def link hareRepeat Repeat
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hi def link hareRune Character
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hi def link hareStorageClass StorageClass
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hi def link hareString String
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hi def link hareStructure Structure
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hi def link hareTodo Todo
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hi def link hareType Type
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hi def link hareTypedef Typedef
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hi def link hareUse PreProc
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hi def link hareSpaceError Error
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autocmd InsertEnter * hi link hareSpaceError NONE
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autocmd InsertLeave * hi link hareSpaceError Error
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hi def hareErrorAssertion ctermfg=red cterm=bold guifg=red gui=bold
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" vim: tabstop=8 shiftwidth=2 expandtab
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