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" Vim syntax file " Language: sed " Maintainer: Doug Kearns <dougkearns@gmail.com> " Previous Maintainer: Haakon Riiser <hakonrk@fys.uio.no> " Contributor: Jack Haden-Enneking " Last Change: 2022 Oct 15 " quit when a syntax file was already loaded if exists("b:current_syntax") finish endif syn keyword sedTodo contained TODO FIXME XXX 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 sedFunction "[dDgGhHlnNpPqQx=]\s*\%($\|;\)" contains=sedSemicolon,sedWhitespace if exists("g:sed_dialect") && g:sed_dialect ==? "bsd" syn match sedComment "^\s*#.*$" contains=sedTodo else syn match sedFunction "[dDgGhHlnNpPqQx=]\s*\ze#" contains=sedSemicolon,sedWhitespace syn match sedComment "#.*$" contains=sedTodo endif syn match sedLabel ":[^;]*" syn match sedLineCont "^\%(\\\\\)*\\$" contained syn match sedLineCont "[^\\]\%(\\\\\)*\\$"ms=e contained syn match sedSpecial "[{},!]" " continue to silently support the old name let s:highlight_tabs = v:false if exists("g:highlight_sedtabs") || get(g:, "sed_highlight_tabs", 0) let s:highlight_tabs = v:true 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 s:at = char2nr("@") let s:i = char2nr(" ") " ASCII: 32, EBCDIC: 64 if has("ebcdic") let s:last = 255 else let s:last = 126 endif let s:metacharacters = '$*.\^[~' while s:i <= s:last let s:delimiter = escape(nr2char(s:i), s:metacharacters) if s:i != s:at exe 'syn region sedAddress matchgroup=Special start=@\\'.s:delimiter.'\%(\\'.s:delimiter.'\)\=@ skip=@[^\\]\%(\\\\\)*\\'.s:delimiter.'@ end=@'.s:delimiter.'[IM]\=@ contains=sedTab' exe 'syn region sedRegexp'.s:i 'matchgroup=Special start=@'.s:delimiter.'\%(\\\\\|\\'.s:delimiter.'\)*@ skip=@[^\\'.s:delimiter.']\%(\\\\\)*\\'.s:delimiter.'@ end=@'.s:delimiter.'@me=e-1 contains=sedTab,sedRegexpMeta keepend contained nextgroup=sedReplacement'.s:i exe 'syn region sedReplacement'.s:i 'matchgroup=Special start=@'.s:delimiter.'\%(\\\\\|\\'.s:delimiter.'\)*@ skip=@[^\\'.s:delimiter.']\%(\\\\\)*\\'.s:delimiter.'@ end=@'.s:delimiter.'@ contains=sedTab,sedReplaceMeta keepend contained nextgroup=@sedFlags' endif let s:i = s: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 substitution 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\+ hi def link sedAddress Macro hi def link sedACI NONE hi def link sedBranch Label hi def link sedComment Comment hi def link sedDelete Function hi def link sedError Error hi def link sedFlag Type hi def link sedFlagWrite Constant hi def link sedFunction Function hi def link sedLabel Label hi def link sedLineCont Special hi def link sedPutHoldspc Function hi def link sedReplaceMeta Special hi def link sedRegexpMeta Special hi def link sedRW Constant hi def link sedSemicolon Special hi def link sedST Function hi def link sedSpecial Special hi def link sedTodo Todo hi def link sedWhitespace NONE if s:highlight_tabs hi def link sedTab Todo endif let s:i = char2nr(" ") " ASCII: 32, EBCDIC: 64 while s:i <= s:last exe "hi def link sedRegexp".s:i "Macro" exe "hi def link sedReplacement".s:i "NONE" let s:i = s:i + 1 endwhile unlet s:i s:last s:delimiter s:metacharacters s:at unlet s:highlight_tabs let b:current_syntax = "sed" " vim: nowrap sw=2 sts=2 ts=8 noet: