neovim/runtime/syntax/sed.vim
2014-12-09 19:25:07 -05:00

119 lines
5.1 KiB
VimL

" Vim syntax file
" Language: sed
" Maintainer: Haakon Riiser <hakonrk@fys.uio.no>
" URL: http://folk.uio.no/hakonrk/vim/syntax/sed.vim
" Last Change: 2010 May 29
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syn clear
elseif exists("b:current_syntax")
finish
endif
syn match sedError "\S"
syn match sedWhitespace "\s\+" contained
syn match sedSemicolon ";"
syn match sedAddress "[[:digit:]$]"
syn match sedAddress "\d\+\~\d\+"
syn region sedAddress matchgroup=Special start="[{,;]\s*/\(\\/\)\="lc=1 skip="[^\\]\(\\\\\)*\\/" end="/I\=" contains=sedTab,sedRegexpMeta
syn region sedAddress matchgroup=Special start="^\s*/\(\\/\)\=" skip="[^\\]\(\\\\\)*\\/" end="/I\=" contains=sedTab,sedRegexpMeta
syn match sedComment "^\s*#.*$"
syn match sedFunction "[dDgGhHlnNpPqQx=]\s*\($\|;\)" contains=sedSemicolon,sedWhitespace
syn match sedLabel ":[^;]*"
syn match sedLineCont "^\(\\\\\)*\\$" contained
syn match sedLineCont "[^\\]\(\\\\\)*\\$"ms=e contained
syn match sedSpecial "[{},!]"
if exists("highlight_sedtabs")
syn match sedTab "\t" contained
endif
" Append/Change/Insert
syn region sedACI matchgroup=sedFunction start="[aci]\\$" matchgroup=NONE end="^.*$" contains=sedLineCont,sedTab
syn region sedBranch matchgroup=sedFunction start="[bt]" matchgroup=sedSemicolon end=";\|$" contains=sedWhitespace
syn region sedRW matchgroup=sedFunction start="[rw]" matchgroup=sedSemicolon end=";\|$" contains=sedWhitespace
" Substitution/transform with various delimiters
syn region sedFlagwrite matchgroup=sedFlag start="w" matchgroup=sedSemicolon end=";\|$" contains=sedWhitespace contained
syn match sedFlag "[[:digit:]gpI]*w\=" contains=sedFlagwrite contained
syn match sedRegexpMeta "[.*^$]" contained
syn match sedRegexpMeta "\\." contains=sedTab contained
syn match sedRegexpMeta "\[.\{-}\]" contains=sedTab contained
syn match sedRegexpMeta "\\{\d\*,\d*\\}" contained
syn match sedRegexpMeta "\\(.\{-}\\)" contains=sedTab contained
syn match sedReplaceMeta "&\|\\\($\|.\)" contains=sedTab contained
" Metacharacters: $ * . \ ^ [ ~
" @ is used as delimiter and treated on its own below
let __at = char2nr("@")
let __sed_i = char2nr(" ") " ASCII: 32
let __sed_last = 126
let __sed_metacharacters = '$*.\^[~'
while __sed_i <= __sed_last
let __sed_delimiter = escape(nr2char(__sed_i), __sed_metacharacters)
if __sed_i != __at
exe 'syn region sedAddress matchgroup=Special start=@\\'.__sed_delimiter.'\(\\'.__sed_delimiter.'\)\=@ skip=@[^\\]\(\\\\\)*\\'.__sed_delimiter.'@ end=@'.__sed_delimiter.'I\=@ contains=sedTab'
exe 'syn region sedRegexp'.__sed_i 'matchgroup=Special start=@'.__sed_delimiter.'\(\\\\\|\\'.__sed_delimiter.'\)*@ skip=@[^\\'.__sed_delimiter.']\(\\\\\)*\\'.__sed_delimiter.'@ end=@'.__sed_delimiter.'@me=e-1 contains=sedTab,sedRegexpMeta keepend contained nextgroup=sedReplacement'.__sed_i
exe 'syn region sedReplacement'.__sed_i 'matchgroup=Special start=@'.__sed_delimiter.'\(\\\\\|\\'.__sed_delimiter.'\)*@ skip=@[^\\'.__sed_delimiter.']\(\\\\\)*\\'.__sed_delimiter.'@ end=@'.__sed_delimiter.'@ contains=sedTab,sedReplaceMeta keepend contained nextgroup=sedFlag'
endif
let __sed_i = __sed_i + 1
endwhile
syn region sedAddress matchgroup=Special start=+\\@\(\\@\)\=+ skip=+[^\\]\(\\\\\)*\\@+ end=+@I\=+ contains=sedTab,sedRegexpMeta
syn region sedRegexp64 matchgroup=Special start=+@\(\\\\\|\\@\)*+ skip=+[^\\@]\(\\\\\)*\\@+ end=+@+me=e-1 contains=sedTab,sedRegexpMeta keepend contained nextgroup=sedReplacement64
syn region sedReplacement64 matchgroup=Special start=+@\(\\\\\|\\@\)*+ skip=+[^\\@]\(\\\\\)*\\@+ end=+@+ contains=sedTab,sedReplaceMeta keepend contained nextgroup=sedFlag
" Since the syntax for the substituion command is very similar to the
" syntax for the transform command, I use the same pattern matching
" for both commands. There is one problem -- the transform command
" (y) does not allow any flags. To save memory, I ignore this problem.
syn match sedST "[sy]" nextgroup=sedRegexp\d\+
if version >= 508 || !exists("did_sed_syntax_inits")
if version < 508
let did_sed_syntax_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink sedAddress Macro
HiLink sedACI NONE
HiLink sedBranch Label
HiLink sedComment Comment
HiLink sedDelete Function
HiLink sedError Error
HiLink sedFlag Type
HiLink sedFlagwrite Constant
HiLink sedFunction Function
HiLink sedLabel Label
HiLink sedLineCont Special
HiLink sedPutHoldspc Function
HiLink sedReplaceMeta Special
HiLink sedRegexpMeta Special
HiLink sedRW Constant
HiLink sedSemicolon Special
HiLink sedST Function
HiLink sedSpecial Special
HiLink sedWhitespace NONE
if exists("highlight_sedtabs")
HiLink sedTab Todo
endif
let __sed_i = char2nr(" ") " ASCII: 32
while __sed_i <= __sed_last
exe "HiLink sedRegexp".__sed_i "Macro"
exe "HiLink sedReplacement".__sed_i "NONE"
let __sed_i = __sed_i + 1
endwhile
delcommand HiLink
endif
unlet __sed_i __sed_last __sed_delimiter __sed_metacharacters
let b:current_syntax = "sed"
" vim: sts=4 sw=4 ts=8