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- " Vim syntax file
- " Language: sed
- " Maintainer: Haakon Riiser <haakon@riiser.net>
- " Last Change: 2001 May 10
- "
- " Special thanks go to Preben "Peppe" Guldberg for a lot of help, and, in
- " particular, his clever way of matching the substitute command.
-
- " 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 "[dDgGhHlnNpPqx=]\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(" ")
- if has("ebcdic")
- let __sed_last = 255
- else
- let __sed_last = 126
- endif
- 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 = 32
- while __sed_i <= 126
- 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_delimiter __sed_metacharacters
-
- let b:current_syntax = "sed"
-
- " vim: sts=4 sw=4 ts=8
-