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Add vim config from rachitnigam/pyret-lang.vim.
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‎tools/ctags/pyret.ctags‎

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--langdef=pyret
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--langmap=pyret:.arr
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--regex-pyret=/^[ \t]*fun[ \t]+([a-zA-Z0-9_-]+)/\1/f,function/
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--regex-pyret=/^[ \t]*data[ \t]+([a-zA-Z0-9_-]+)/\1/d,data/
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--regex-pyret=/^[ \t]*\|[ \t]*([a-zA-Z0-9_-]+)[^=]*$/\1/d,data/
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--regex-pyret=/^[ \t]*\|[ \t]*([a-zA-Z0-9_-]+)[^=]*$/is-\1/d,data/
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--regex-pyret=/^([a-zA-Z0-9_-]+)[ \t]*=/\1/v,value/
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--regex-pyret=/^([a-zA-Z0-9_-]+)[ \t]*::[ \t]*[a-zA-Z0-9_<>}{. -]+[ \t]*=/\1/v,value/
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--regex-pyret=/^[ \t]*import[ \t]+[a-zA-Z0-9_-]+[ \t]+as[ \t]+([a-zA-Z0-9_-]+)/\1/i,import/
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--regex-pyret=/^[ \t]*import[ \t]+file\([^)]+\)[ \t]+as[ \t]+([a-zA-Z0-9_-]+)/\1/i,import/

‎tools/vim/README.md‎

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# Pyret-lang.vim
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This is a copy of the repository [rachitnigam/pyret-lang.vim](https://github.com/rachitnigam/pyret-lang.vim)
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as available on 08/31/2017.
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### Installation
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For vim-plug, add the following:
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```
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Plug '<path-to-pyret-repo>/tools/vim'
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```
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Install [UltiSnips](https://github.com/SirVer/ultisnips) for snippet support.

‎tools/vim/UltiSnips/pyret.snippets‎

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snippet fun "fun ... end (fun)"
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fun ${1:function_name}(${2:arguments}):
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${VISUAL}$0
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end
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endsnippet
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snippet meth "method ... end (meth)"
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meth ${1:method_name}(${2:arguments}):
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${VISUAL}$0
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end
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endsnippet
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snippet lam "lam ... end (lam)"
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lam(${2:arguments}): ${VISUAL}$0 end
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endsnippet
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snippet (lam "(lam ... end ((lam)"
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(lam(${2:arguments}): ${VISUAL}$0 end
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endsnippet
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snippet ife "if ... else: ... end (ife)"
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if ${1:condition}:
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${VISUAL}$0
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else:
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${3:else_branch}
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end
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endsnippet
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snippet cases "cases (type) ... end (cases)"
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cases(${1:type}) ${2:v}:
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| ${3:case1}
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end
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endsnippet
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snippet for "for ... end (for)"
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for ${1:iterators}:
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${2:body}
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end
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endsnippet
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snippet block "block ... end (block)"
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block:
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${VISUAL}$0
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end
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endsnippet
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snippet data "data ... end (data)"
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data ${1:Type}:
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| ${2:Variant}
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end
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endsnippet
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‎tools/vim/ftdetect/pyret.vim‎

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au BufNewFile,BufRead *.arr set filetype=pyret

‎tools/vim/ftplugin/pyret.vim‎

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if exists('b:did_ftplugin')
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finish
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endif
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let b:did_ftplugin = 1
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" Set comment string
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setlocal commentstring=#\ %s

‎tools/vim/indent/pyret.vim‎

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" Language: Pyret
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" Maintainer: Dorai Sitaram, ds26gte.github.io
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" Last Change: 2015-06-12
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" Originally from
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" https://github.com/brownplt/pyret-lang/blob/master/tools/vim/indent/pyret.vim
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if exists("b:did_indent")
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finish

‎tools/vim/syntax/pyret.vim‎

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" Vim syntax file
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" Language: Pyret
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" Maintainer: Joe Gibbs Politz ([email protected])
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" Maintainer: Rachit Nigam ([email protected])
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if exists("b:current_syntax")
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finish
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endif
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syn case match
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syn sync minlines=200 maxlines=1000
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set iskeyword+=-
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set iskeyword+=:
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syn match delimeter '!'
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syn match delimeter '\.'
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syn match delimeter '|'
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syn match delimeter '('
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syn match delimeter ')'
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syn match delimeter '->'
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syn match delimeter '='
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syn match delimeter '=>'
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syn match delimeter ':='
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syn match delimeter '\['
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syn match delimeter '\]'
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syn match delimeter '{'
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syn match delimeter '}'
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syn match delimeter ':'
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syn match delimeter '::'
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syn keyword basic var fun end with: sharing: data include import provide as try: except when
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syn keyword basic for from check: where: doc: and or not else: if else cases
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syn keyword basic is is== is=~ is<=> is-not is-not== is-not=~ is-not<=> raises
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syn keyword basic deriving ref graph: m-graph: block: satisfies violates shadow lam type type-let provide-types newtype
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syn keyword basic let rec letrec ask: table: extend using row: select extract order sieve by
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syn match op ' + '
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syn match op ' - '
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syn match op ' / '
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syn match op ' * '
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syn match op ' > '
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syn match op ' < '
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syn match op ' >= '
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syn match op ' <= '
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syn match op ' <> '
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syn match comment '\#.*$'
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syntax region comment start=/#|/ skip=/\./ end=/|#/
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syntax region string start=/\v"/ skip=/\v\\./ end=/\v"/
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syntax region string start=/\v'/ skip=/\v\\./ end=/\v'/
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syntax region string start=/\v```/ skip=/\v\\./ end=/\v```/
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syn match number "[0-9]+"
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hi def link comment Comment
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hi def link basic Function
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hi def link delimeter PreProc
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hi def link op Label
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hi def link string Constant
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hi def link number Constant
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hi def link literal Constant
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hi link delimeter PreProc
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" Keywords
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syn keyword pyretKeyword var from shadow ref
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hi link pyretKeyword Special
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" Imports and exports
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syn keyword pyretImport include import provide provide-types as
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hi link pyretImport PreProc
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" Block structures in pyret
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syn keyword pyretBlock end for check examples
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syn keyword pyretBlock except when
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syn keyword pyretBlock if else
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syn keyword pyretBlock deriving satisfies
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syn keyword pyretBlock violates type-let
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syn keyword pyretBlock let rec letrec extend using select
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syn keyword pyretBlock extract order sieve by raises newtype
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hi link pyretBlock Function
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" Built-in functions
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syn keyword pyretBuiltin is is== is=~ is<=> is-not is-not== is-not=~ is-not<=>
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syn keyword pyretBuiltin and or not
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syn keyword pyretBuiltin torepr to-repr tostring to-string raise
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syn keyword pyretBuiltin is-boolean is-number is-string is-raw-array is-nothing
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syn keyword pyretBuiltin is-function is-object
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hi link pyretBuiltin Constant
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" Operators
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syn match pyretOperator '+'
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syn match pyretOperator '-'
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syn match pyretOperator '/'
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syn match pyretOperator '*'
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syn match pyretOperator '>'
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syn match pyretOperator '<'
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syn match pyretOperator '>='
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syn match pyretOperator '<='
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syn match pyretOperator '<>'
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syn match pyretOperator '\^'
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hi link pyretOperator Label
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" Comments
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syn match pyretComment '\#.*$' contains=pyretTodo
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syntax region pyretComment start=/#|/ skip=/\./ end=/|#/ contains=pyretTodo
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hi link pyretComment Comment
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" Todo
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syn match pyretTodo /\v<(TODO|FIXME|NOTE)>/ contained
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hi link pyretTodo Todo
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" Strings
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syn region pyretString start=/\v"/ skip=/\v\\./ end=/\v("|$)/
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syn region pyretString start=/\v'/ skip=/\v\\./ end=/\v('|$)/
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syn region pyretString start=/\v```/ skip=/\v\\./ end=/\v```/
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hi link pyretString String
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syn match pyretEscapedChar '\v\\.' containedin=pyretString contained
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hi link pyretEscapedChar Special
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" Numbers
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syn match pyretConstant "\v(\-|\+)?[0-9]+(\.[0-9]+)?(e[0-9]+)?"
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" Booleans
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syn keyword pyretConstant true
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syn keyword pyretConstant false
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" nothing
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syn keyword pyretConstant nothing
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hi link pyretConstant Constant
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" Template
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syntax match pyretTemplate '\v\.\.\.'
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hi link pyretTemplate ERROR
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" Variable names in pyret. Need to be higher priority than numbers
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syn match pyretName '\v[_a-zA-Z]((\-+)?[_a-zA-Z0-9]+)*'
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\ nextgroup=pyretColonColon skipwhite
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syn match pyretColonColon '::' nextgroup=@pyretAnn skipwhite
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hi link pyretColonColon Keyword
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" Keywords ending with :. Need to be after variables.
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syn match pyretBlock 'with:'
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syn match pyretBlock 'sharing:'
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syn match pyretBlock 'try:'
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syn match pyretBlock 'check:'
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syn match pyretBlock 'where:'
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syn match pyretBlock 'doc:'
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syn match pyretBlock 'else:'
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syn match pyretBlock 'graph:'
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syn match pyretBlock 'block:'
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syn match pyretBlock 'ask:'
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syn match pyretBlock 'table:'
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syn match pyretBlock 'row:'
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syn match pyretBlock 'm-graph:'
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" Variables bound by `from`
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syn match pyretFromName '\v[_a-zA-Z]((\-+)?[_a-zA-Z0-9]+)*\ze(\s+::\s+\S+)?\s+from'
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hi link pyretFromName Identifier
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" Type Annotations
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syn cluster pyretAnn
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\ contains=pyretSimpleAnn,pyretComplexAnn,pyretRecordAnn,pyretParenAnn,pyretAnnDot
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syn region pyretComplexAnn matchgroup=Keyword start='\v\<' end='\v\>'
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\ contained contains=@pyretAnn nextgroup=pyretAnnArrow,pyretRefineStart skipwhite
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hi link pyretComplexAnn Type
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syn match pyretSimpleAnn '\v%((\w+-\w+)|\w+)' contained
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\ nextgroup=pyretComplexAnn,pyretAnnArrow,pyretAnnDot,pyretRefineStart skipwhite
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hi link pyretSimpleAnn Type
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syn match pyretRefineStart '\v\%' contained nextgroup=pyretRefineAnn
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hi link pyretRefineStart Keyword
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syn region pyretRefineAnn matchgroup=Keyword start='\v\(' end='\v\)' contained
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\ contains=pyretName nextgroup=pyretAnnArrow skipwhite
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syn match pyretAnnDot '\.' contained nextgroup=pyretSimpleAnn
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hi link pyretAnnDot Keyword
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syn region pyretRecordAnn matchgroup=Keyword start='\v\{' end='\v\}' contained
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\ contains=@pyretAnn,pyretSemicolon nextgroup=pyretAnnArrow skipwhite
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hi link pyretRecordAnn Type
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syn match pyretSemicolon ';' contained
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hi link pyretSemicolon Keyword
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syn region pyretParenAnn matchgroup=Keyword start='\v\(' end='\v\)' contained
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\ contains=@pyretAnn skipwhite
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hi link pyretParenAnn Type
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syn match pyretAnnArrow '\v-\>' contained nextgroup=@pyretAnn skipwhite
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hi link pyretAnnArrow Keyword
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" `type` expressions
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syn region pyretTypeDecl matchgroup=Keyword start='\v<type>' end='\v$'
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\ contains=@pyretAnn,pyretComment skipwhite keepend
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" fun defintions
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syn keyword pyretBlock fun method nextgroup=pyretFunName skipwhite
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syn keyword pyretBlock lam nextgroup=pyretArgs,pyretFunTypeParam skipwhite
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syn match pyretFunComma ',' contained
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hi link pyretFunComma Special
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syn match pyretFunName '\v[_a-zA-Z]((\-+)?[_a-zA-Z0-9]+)*' contained
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\ nextgroup=pyretArgs,pyretFunTypeParam skipwhite
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hi link pyretFunName Constant
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syn region pyretFunTypeParam matchgroup=Keyword start='\v\<' end='\v\>'
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\ contained contains=@pyretAnn nextgroup=pyretArgs skipwhite
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hi link pyretFunTypeParam Type
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syn region pyretArgs matchgroup=Keyword start='\v\(' end='\v\)'
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\ contained contains=pyretArgName,pyretFunComma,pyretKeyword,pyretComment
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\ nextgroup=pyretAnnArrow skipwhite
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hi link pyretArgs Identifier
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syn match pyretArgName '\v[_a-zA-Z]((\-+)?[_a-zA-Z0-9]+)*' contained transparent
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\ nextgroup=pyretColonColon skipwhite
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" cases using |
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syn match pyretBar '\v\|' nextgroup=pyretFunName skipwhite
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hi link pyretBar Keyword
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syn match pyretCaseArrow '\v\=\>'
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hi link pyretCaseArrow Keyword
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" Data defintions
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syn keyword pyretBlock data nextgroup=pyretSimpleAnn skipwhite
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" cases keyword
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syn keyword pyretBlock cases nextgroup=pyretCaseType skipwhite
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syn region pyretCaseType matchgroup=Keyword start='\v\(' end='\v\)'
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\ contained contains=@pyretAnn skipwhite
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