Add fennel support, closes #514

1 files changed, 287 insertions, 0 deletions

diff --git a/syntax/fennel.vim b/syntax/fennel.vim
new file mode 100644
index 00000000..ec6f8084
--- /dev/null
+++ b/syntax/fennel.vim
@@ -0,0 +1,287 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'fennel') == -1
+
+" Vim syntax file
+" Language: FENNEL
+" Maintainer: Calvin Rose
+
+if exists("b:current_syntax")
+    finish
+endif
+
+let s:cpo_sav = &cpo
+set cpo&vim
+
+if has("folding") && exists("g:fennel_fold") && g:fennel_fold > 0
+    setlocal foldmethod=syntax
+endif
+
+syntax keyword FennelCommentTodo contained FIXME XXX TODO FIXME: XXX: TODO:
+
+" FENNEL comments
+syn match FennelComment ";.*$" contains=FennelCommentTodo,@Spell
+
+syntax match FennelStringEscape '\v\\%([abfnrtv'"\\]|x[[0-9a-fA-F]]\{2}|25[0-5]|2[0-4][0-9]|[0-1][0-9][0-9])' contained
+syntax region FennelString matchgroup=FennelStringDelimiter start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=FennelStringEscape,@Spell
+syntax region FennelString matchgroup=FennelStringDelimiter start=/'/ skip=/\\\\\|\\'/ end=/'/ contains=FennelStringEscape,@Spell
+
+syn keyword FennelConstant nil
+
+syn keyword FennelBoolean true
+syn keyword FennelBoolean false
+
+" Fennel special forms
+syn keyword FennelSpecialForm #
+syn keyword FennelSpecialForm %
+syn keyword FennelSpecialForm *
+syn keyword FennelSpecialForm +
+syn keyword FennelSpecialForm -
+syn keyword FennelSpecialForm ->
+syn keyword FennelSpecialForm ->>
+syn keyword FennelSpecialForm -?>
+syn keyword FennelSpecialForm -?>>
+syn keyword FennelSpecialForm .
+syn keyword FennelSpecialForm ..
+syn keyword FennelSpecialForm /
+syn keyword FennelSpecialForm //
+syn keyword FennelSpecialForm :
+syn keyword FennelSpecialForm <
+syn keyword FennelSpecialForm <=
+syn keyword FennelSpecialForm =
+syn keyword FennelSpecialForm >
+syn keyword FennelSpecialForm >=
+syn keyword FennelSpecialForm ^
+syn keyword FennelSpecialForm and
+syn keyword FennelSpecialForm comment
+syn keyword FennelSpecialForm do
+syn keyword FennelSpecialForm doc
+syn keyword FennelSpecialForm doto
+syn keyword FennelSpecialForm each
+syn keyword FennelSpecialForm eval-compiler
+syn keyword FennelSpecialForm fn
+syn keyword FennelSpecialForm for
+syn keyword FennelSpecialForm global
+syn keyword FennelSpecialForm hashfn
+syn keyword FennelSpecialForm if
+syn keyword FennelSpecialForm include
+syn keyword FennelSpecialForm lambda
+syn keyword FennelSpecialForm length
+syn keyword FennelSpecialForm let
+syn keyword FennelSpecialForm local
+syn keyword FennelSpecialForm lua
+syn keyword FennelSpecialForm macro
+syn keyword FennelSpecialForm macros
+syn keyword FennelSpecialForm match
+syn keyword FennelSpecialForm not
+syn keyword FennelSpecialForm not=
+syn keyword FennelSpecialForm or
+syn keyword FennelSpecialForm partial
+syn keyword FennelSpecialForm quote
+syn keyword FennelSpecialForm require-macros
+syn keyword FennelSpecialForm set
+syn keyword FennelSpecialForm set-forcibly!
+syn keyword FennelSpecialForm tset
+syn keyword FennelSpecialForm values
+syn keyword FennelSpecialForm var
+syn keyword FennelSpecialForm when
+syn keyword FennelSpecialForm while
+syn keyword FennelSpecialForm ~=
+syn keyword FennelSpecialForm λ
+
+" Lua keywords
+syntax keyword LuaSpecialValue
+	\ _G
+	\ _VERSION
+	\ assert
+	\ collectgarbage
+	\ dofile
+	\ error
+	\ getmetatable
+	\ ipairs
+	\ load
+	\ loadfile
+	\ next
+	\ pairs
+	\ pcall
+	\ print
+	\ rawequal
+	\ rawget
+	\ rawlen
+	\ rawset
+	\ require
+	\ select
+	\ setmetatable
+	\ tonumber
+	\ tostring
+	\ type
+	\ xpcall
+	\ coroutine
+	\ coroutine.create
+	\ coroutine.isyieldable
+	\ coroutine.resume
+	\ coroutine.running
+	\ coroutine.status
+	\ coroutine.wrap
+	\ coroutine.yield
+	\ debug
+	\ debug.debug
+	\ debug.gethook
+	\ debug.getinfo
+	\ debug.getlocal
+	\ debug.getmetatable
+	\ debug.getregistry
+	\ debug.getupvalue
+	\ debug.getuservalue
+	\ debug.sethook
+	\ debug.setlocal
+	\ debug.setmetatable
+	\ debug.setupvalue
+	\ debug.setuservalue
+	\ debug.traceback
+	\ debug.upvalueid
+	\ debug.upvaluejoin
+	\ io
+	\ io.close
+	\ io.flush
+	\ io.input
+	\ io.lines
+	\ io.open
+	\ io.output
+	\ io.popen
+	\ io.read
+	\ io.stderr
+	\ io.stdin
+	\ io.stdout
+	\ io.tmpfile
+	\ io.type
+	\ io.write
+	\ math
+	\ math.abs
+	\ math.acos
+	\ math.asin
+	\ math.atan
+	\ math.ceil
+	\ math.cos
+	\ math.deg
+	\ math.exp
+	\ math.floor
+	\ math.fmod
+	\ math.huge
+	\ math.log
+	\ math.max
+	\ math.maxinteger
+	\ math.min
+	\ math.mininteger
+	\ math.modf
+	\ math.pi
+	\ math.rad
+	\ math.random
+	\ math.randomseed
+	\ math.sin
+	\ math.sqrt
+	\ math.tan
+	\ math.tointeger
+	\ math.type
+	\ math.ult
+	\ os
+	\ os.clock
+	\ os.date
+	\ os.difftime
+	\ os.execute
+	\ os.exit
+	\ os.getenv
+	\ os.remove
+	\ os.rename
+	\ os.setlocale
+	\ os.time
+	\ os.tmpname
+	\ package
+	\ package.config
+	\ package.cpath
+	\ package.loaded
+	\ package.loadlib
+	\ package.path
+	\ package.preload
+	\ package.searchers
+	\ package.searchpath
+	\ string
+	\ string.byte
+	\ string.char
+	\ string.dump
+	\ string.find
+	\ string.format
+	\ string.gmatch
+	\ string.gsub
+	\ string.len
+	\ string.lower
+	\ string.match
+	\ string.pack
+	\ string.packsize
+	\ string.rep
+	\ string.reverse
+	\ string.sub
+	\ string.unpack
+	\ string.upper
+	\ table
+	\ table.concat
+	\ table.insert
+	\ table.move
+	\ table.pack
+	\ table.remove
+	\ table.sort
+	\ table.unpack
+	\ utf8
+	\ utf8.char
+	\ utf8.charpattern
+	\ utf8.codepoint
+	\ utf8.codes
+	\ utf8.len
+	\ utf8.offset
+
+" Fennel Symbols
+let s:symcharnodig = '\!\$%\&\#\*\+\-./:<=>?A-Z^_a-z|\x80-\U10FFFF'
+let s:symchar = '0-9' . s:symcharnodig
+execute 'syn match FennelSymbol "\v<%([' . s:symcharnodig . '])%([' . s:symchar . '])*>"'
+execute 'syn match FennelKeyword "\v<:%([' . s:symchar . '])*>"'
+unlet! s:symchar s:symcharnodig
+
+syn match FennelQuote "`"
+syn match FennelQuote "@"
+
+" FENNEL numbers
+syntax match FennelNumber "\v\c<[-+]?\d*\.?\d*%([eE][-+]?\d+)?>"
+syntax match FennelNumber "\v\c<[-+]?0x[0-9A-F]*\.?[0-9A-F]*>"
+
+" Grammar root
+syntax cluster FennelTop contains=@Spell,FennelComment,FennelConstant,FennelQuote,FennelKeyword,LuaSpecialValue,FennelSymbol,FennelNumber,FennelString,FennelList,FennelArray,FennelTable,FennelSpecialForm,FennelBoolean
+
+syntax region FennelList matchgroup=FennelParen start="("  end=")" contains=@FennelTop fold
+syntax region FennelArray matchgroup=FennelParen start="\[" end="]" contains=@FennelTop fold
+syntax region FennelTable matchgroup=FennelParen start="{"  end="}" contains=@FennelTop fold
+
+" Highlight superfluous closing parens, brackets and braces.
+syntax match FennelError "]\|}\|)"
+
+syntax sync fromstart
+
+" Highlighting
+hi def link FennelComment Comment
+hi def link FennelSymbol Identifier
+hi def link FennelNumber Number
+hi def link FennelConstant Constant
+hi def link FennelKeyword Keyword
+hi def link FennelSpecialForm Special
+hi def link LuaSpecialValue Special
+hi def link FennelString String
+hi def link FennelBuffer String
+hi def link FennelStringDelimiter String
+hi def link FennelBoolean Boolean
+
+hi def link FennelQuote SpecialChar
+hi def link FennelParen Delimiter
+
+let b:current_syntax = "fennel"
+
+let &cpo = s:cpo_sav
+unlet! s:cpo_sav
+
+endif