Vim syntax files for .lhs files using \begin{code} and \end{code}
Max Kirillov
max630@mail.ru
Tue, 30 Oct 2001 22:26:21 +0600
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Hi.
That's my hacked syntax files
Max.
On Tue, Oct 30, 2001 at 02:22:07PM +0000, Nicholas Nethercote wrote:
> Hi,
>
> The Vim syntax file for literate Haskell programs handles code lines that
> begin with a '>' character fine. But in GHC much of the code is defined
> between "\begin{code}" and "\end{code}" pairs, and that shows up as one
> giant comment.
>
> Does anybody know where I might be able to obtain a Vim syntax file that
> handles these constructs? I made a feeble attempt myself, but Vim's
> syntax highlighting language defeated me.
>
> Thanks.
> --
> Nick Nethercote
> njn25@cam.ac.uk
>
>
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe@haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
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" Vim syntax file
" Language: Haskell
" Maintainer: John Williams <jrw@pobox.com>
" Last Change: 2001 May 10
" Thanks to Ryan Crumley for suggestions and John Meacham for
" pointing out bugs.
"
" Options-assign a value to these variables to turn the option on:
"
" hs_highlight_delimiters - Highlight delimiter characters--users
" with a light-colored background will
" probably want to turn this on.
" hs_highlight_boolean - Treat True and False as keywords.
" hs_highlight_types - Treat names of primitive types as keywords.
" hs_highlight_more_types - Treat names of other common types as keywords.
" hs_highlight_debug - Highlight names of debugging functions.
" Remove any old syntax stuff hanging around
if version < 600
syn clear
elseif exists("b:current_syntax")
finish
endif
" (Qualified) identifiers (no default highlighting)
syn match ConId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[A-Z][a-zA-Z0-9_']*\>"
syn match VarId "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=\<[a-z][a-zA-Z0-9_']*\>"
" Infix operators--most punctuation characters and any (qualified) identifier
" enclosed in `backquotes`. An operator starting with : is a constructor,
" others are variables (e.g. functions).
syn match hsVarSym "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[-!#$%&\*\+/<=>\?@\\^|~.][-!#$%&\*\+/<=>\?@\\^|~:.]*"
syn match hsConSym "\(\<[A-Z][a-zA-Z0-9_']*\.\)\=:[-!#$%&\*\+./<=>\?@\\^|~:]*"
syn match hsVarSym "`\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[a-z][a-zA-Z0-9_']*`"
syn match hsConSym "`\(\<[A-Z][a-zA-Z0-9_']*\.\)\=[A-Z][a-zA-Z0-9_']*`"
" Reserved symbols--cannot be overloaded.
syn match hsDelimiter "(\|)\|\[\|\]\|,\|;\|_\|{\|}"
" Strings and constants
syn match hsSpecialChar contained "\\\([0-9]\+\|o[0-7]\+\|x[0-9a-fA-F]\+\|[\"\\'&\\abfnrtv]\|^[A-Z^_\[\\\]]\)"
syn match hsSpecialChar contained "\\\(NUL\|SOH\|STX\|ETX\|EOT\|ENQ\|ACK\|BEL\|BS\|HT\|LF\|VT\|FF\|CR\|SO\|SI\|DLE\|DC1\|DC2\|DC3\|DC4\|NAK\|SYN\|ETB\|CAN\|EM\|SUB\|ESC\|FS\|GS\|RS\|US\|SP\|DEL\)"
syn match hsSpecialCharError contained "\\&\|'''\+"
syn region hsString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=hsSpecialChar
syn match hsCharacter "[^a-zA-Z0-9_']'\([^\\]\|\\[^']\+\|\\'\)'"lc=1 contains=hsSpecialChar,hsSpecialCharError
syn match hsCharacter "^'\([^\\]\|\\[^']\+\|\\'\)'" contains=hsSpecialChar,hsSpecialCharError
syn match hsNumber "\<[0-9]\+\>\|\<0[xX][0-9a-fA-F]\+\>\|\<0[oO][0-7]\+\>"
syn match hsFloat "\<[0-9]\+\.[0-9]\+\([eE][-+]\=[0-9]\+\)\=\>"
" Keyword definitions. These must be patters instead of keywords
" because otherwise they would match as keywords at the start of a
" "literate" comment (see lhs.vim).
syn match hsModule "\<module\>"
syn match hsImport "\<import\>.*"he=s+6 contains=hsImportMod
syn match hsImportMod contained "\<\(as\|qualified\|hiding\)\>"
syn match hsInfix "\<\(infix\|infixl\|infixr\)\>"
syn match hsStructure "\<\(class\|data\|deriving\|instance\|default\|where\)\>"
syn match hsTypedef "\<\(type\|newtype\)\>"
syn match hsStatement "\<\(do\|case\|of\|let\|in\)\>"
syn match hsConditional "\<\(if\|then\|else\)\>"
" Not real keywords, but close.
if exists("hs_highlight_boolean")
" Boolean constants from the standard prelude.
syn match hsBoolean "\<\(True\|False\)\>"
endif
if exists("hs_highlight_types")
" Primitive types from the standard prelude and libraries.
syn match hsType "\<\(Int\|Integer\|Char\|Bool\|Float\|Double\|IO\|Void\|Addr\|Array\|String\)\>"
endif
if exists("hs_highlight_more_types")
" Types from the standard prelude libraries.
syn match hsType "\<\(Maybe\|Either\|Ratio\|Complex\|Ordering\|IOError\|IOResult\|ExitCode\)\>"
syn match hsMaybe "\<Nothing\>"
syn match hsExitCode "\<\(ExitSuccess\)\>"
syn match hsOrdering "\<\(GT\|LT\|EQ\)\>"
endif
if exists("hs_highlight_debug")
" Debugging functions from the standard prelude.
syn match hsDebug "\<\(undefined\|error\|trace\)\>"
endif
" Comments
syn match hsLineComment "--.*"
syn region hsBlockComment start="{-" end="-}" contains=hsBlockComment
syn region hsPragma start="{-#" end="#-}"
" Literate comments--any line not starting with '>' is a comment.
if exists("b:hs_literate_comments")
syn region hsLiterateComment start="^" end="^>"
endif
if exists("b:hs_literate_tex_comments")
syn region hsLiterateComment start="^%\|\\end{code}" end="\\begin{code}"
endif
if !exists("hs_minlines")
let hs_minlines = 50
endif
exec "syn sync lines=" . hs_minlines
if version >= 508 || !exists("did_hs_syntax_inits")
if version < 508
let did_hs_syntax_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
hi link hsModule hsStructure
hi link hsImport Include
hi link hsImportMod hsImport
hi link hsInfix PreProc
hi link hsStructure Structure
hi link hsStatement Statement
hi link hsConditional Conditional
hi link hsSpecialChar SpecialChar
hi link hsTypedef Typedef
hi link hsVarSym hsOperator
hi link hsConSym hsOperator
hi link hsOperator Operator
if exists("hs_highlight_delimiters")
" Some people find this highlighting distracting.
hi link hsDelimiter Delimiter
endif
hi link hsSpecialCharError Error
hi link hsString String
hi link hsCharacter Character
hi link hsNumber Number
hi link hsFloat Float
hi link hsConditional Conditional
hi link hsLiterateComment hsComment
hi link hsBlockComment hsComment
hi link hsLineComment hsComment
hi link hsComment Comment
hi link hsPragma SpecialComment
hi link hsBoolean Boolean
hi link hsType Type
hi link hsMaybe hsEnumConst
hi link hsOrdering hsEnumConst
hi link hsEnumConst Constant
hi link hsDebug Debug
delcommand HiLink
endif
let b:current_syntax = "haskell"
" Options for vi: ts=8 sw=2 sts=2 nowrap noexpandtab ft=vim
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" Vim syntax file
" Language: Haskell with literate comments
" Maintainer: John Williams <jrw@pobox.com>
" Last Change: 2001 May 09
" Enable literate comments
let b:hs_literate_comments=1
if exists("b:hs_literate_tex_comments")
unlet b:hs_literate_tex_comments
endif
" Detect which of literate haskells we deal
" the default is above
let i=1
while (i<700)
if ((getline(i) =~ "^%")||(getline(i) =~ "begin{code}"))
let b:hs_literate_tex_comments=1
if exists("b:hs_literate_comments")
unlet b:hs_literate_comments
endif
break
elseif (getline(i) =~ "^>")
let b:hs_literate_comments=1
if exists("b:hs_literate_tex_comments")
unlet b:hs_literate_tex_comments
endif
break
endif
let i=i+1
endwhile
unlet i
" Include standard Haskell highlighting
if version < 600
source <sfile>:p:h/haskell.vim
else
source $VIMRUNTIME/syntax/haskell.vim
endif
" vim: ts=8
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