Initial project import

tools/v/editors/vim/README.md

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+# V Vim/Neovim runtime files
+
+This directory contains official V runtime files for Vim and Neovim:
+
+- `ftdetect/v.vim`
+- `ftplugin/v.vim`
+- `syntax/v.vim`
+
+## Install in Vim
+
+```sh
+mkdir -p ~/.vim/pack/vlang/start
+ln -s /path/to/v/editors/vim ~/.vim/pack/vlang/start/vlang
+```
+
+## Install in Neovim
+
+```sh
+mkdir -p ~/.local/share/nvim/site/pack/vlang/start
+ln -s /path/to/v/editors/vim ~/.local/share/nvim/site/pack/vlang/start/vlang
+```
+
+Restart Vim/Neovim after installation.

tools/v/editors/vim/ftdetect/v.vim

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+" Vim filetype detection for the V language.
+
+augroup v_filetypedetect
+	autocmd!
+	autocmd BufRead,BufNewFile *.v,*.vsh,*.vv setfiletype v
+augroup END

tools/v/editors/vim/ftplugin/v.vim

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+" Vim filetype plugin for the V language.
+
+if exists('b:did_ftplugin')
+	finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=//\ %s
+setlocal comments=s1:/*,mb:*,ex:*/,://
+setlocal suffixesadd=.v,.vsh
+
+let b:undo_ftplugin = 'setlocal commentstring< comments< suffixesadd<'

tools/v/editors/vim/syntax/v.vim

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+" Vim syntax file
+" Language: V
+" Maintainer: V contributors
+
+if exists('b:current_syntax')
+	finish
+endif
+
+syn case match
+
+syn keyword vTodo TODO FIXME XXX NOTE BUG contained
+syn match vComment +//.*$+ contains=vTodo,@Spell
+syn region vComment start='/\*' end='\*/' contains=vTodo,@Spell
+
+syn region vString start=+r'+ end=+'+
+syn region vString start=+c'+ skip=+\\\\\|\\'+ end=+'+ contains=vEscape,vInterpolation
+syn region vString start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=vEscape,vInterpolation
+syn region vChar start=+`+ skip=+\\\\\|\\`+ end=+`+ contains=vEscape
+
+syn match vEscape +\\[abfnrtv'"`\\$]+ contained
+syn match vEscape +\\x[0-9A-Fa-f]\{2}+ contained
+syn match vEscape +\\u[0-9A-Fa-f]\{4}+ contained
+syn region vInterpolation start=+\${+ end=+}+ contained contains=vComptime,vNumber,vString,vChar,vOperator
+
+syn match vNumber /\v<0x[0-9A-Fa-f_]+>/
+syn match vNumber /\v<0b[01_]+>/
+syn match vNumber /\v<0o[0-7_]+>/
+syn match vNumber /\v<\d[\d_]*\.\d[\d_]*([eE][+-]?\d[\d_]*)?>/
+syn match vNumber /\v<\d[\d_]*([eE][+-]?\d[\d_]*)?>/
+
+syn keyword vBoolean true false
+syn keyword vConstant none nil
+syn keyword vKeyword as asm assert atomic break const continue defer else enum false for fn __global go goto if import in interface is match module mut shared lock rlock none nil return select sizeof isreftype _likely_ _unlikely_ __offsetof struct true type typeof dump or union pub static volatile unsafe spawn implements like ilike
+syn keyword vType bool string rune i8 i16 int i64 i128 isize byte u8 u16 u32 u64 u128 usize f32 f64 char map chan any voidptr byteptr charptr
+
+syn match vComptime /\$[A-Za-z_][A-Za-z0-9_]*/
+syn match vComptime /@[A-Z_][A-Z0-9_]*/
+syn region vAttribute start=/@\[/ end=/\]/ contains=vComptime
+
+syn match vOperator /::\|:=\|==\|!=\|<=\|>=\|<<=\|>>=\|>>>=\|&&=\|||=\|<<\|>>>\|>>\|&&\|||\|+=\|-=\|\*=\|\/=\|%=\|\^=\||=\|&=\|<-\|++\|--/
+syn match vOperator /[+\-*\/%&|^~!=<>?:]/
+
+syn match vFunction /\<[A-Za-z_][A-Za-z0-9_]*\ze\s*(/
+
+hi def link vTodo Todo
+hi def link vComment Comment
+hi def link vString String
+hi def link vChar Character
+hi def link vEscape SpecialChar
+hi def link vInterpolation Special
+hi def link vNumber Number
+hi def link vBoolean Boolean
+hi def link vConstant Constant
+hi def link vKeyword Keyword
+hi def link vType Type
+hi def link vComptime PreProc
+hi def link vAttribute PreProc
+hi def link vOperator Operator
+hi def link vFunction Function
+
+let b:current_syntax = 'v'