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scripts.vim
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2003-08-12
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297 lines
" Vim support file to detect file types in scripts
"
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Last change: 2003 May 10
" This file is called by an autocommand for every file that has just been
" loaded into a buffer. It checks if the type of file can be recognized by
" the file contents. The autocommand is in $VIMRUNTIME/filetype.vim.
" Only do the rest when the FileType autocommand has not been triggered yet.
if did_filetype()
finish
endif
" Load the user defined scripts file first
" Only do this when the FileType autocommand has not been triggered yet
if exists("myscriptsfile") && file_readable(expand(myscriptsfile))
execute "source " . myscriptsfile
if did_filetype()
finish
endif
endif
" Line continuation is used here, remove 'C' from 'cpoptions'
let s:cpo_save = &cpo
set cpo&vim
let s:line1 = getline(1)
if s:line1 =~ "^#!"
" A script that starts with "#!".
" Check for a line like "#!/usr/bin/env VAR=val bash". Turn it into
" "#!/usr/bin/bash" to make matching easier.
if s:line1 =~ '^#!\s*\S*\<env\s'
let s:line1 = substitute(s:line1, '\S\+=\S\+', '', 'g')
let s:line1 = substitute(s:line1, '\<env\s\+', '', '')
endif
" Get the program name.
" Only accept spaces in PC style paths: "#!c:/program files/perl [args]".
" If there is no path use the first word: "#!perl [path/args]".
" Otherwise get the last word after a slash: "#!/usr/bin/perl [path/args]".
if s:line1 =~ '^#!\s*\a:[/\\]'
let s:name = substitute(s:line1, '^#!.*[/\\]\(\i\+\).*', '\1', '')
elseif s:line1 =~ '^#!\s*[^/\\ ]*\>\([^/\\]\|$\)'
let s:name = substitute(s:line1, '^#!\s*\([^/\\ ]*\>\).*', '\1', '')
else
let s:name = substitute(s:line1, '^#!\s*\S*[/\\]\(\i\+\).*', '\1', '')
endif
" Bourne-like shell scripts: sh ksh bash bash2
if s:name =~ '^\(bash\|bash2\|ksh\|sh\)\>'
call SetFileTypeSH(s:line1) " defined in filetype.vim
" csh and tcsh scripts
elseif s:name =~ '^t\=csh\>'
set ft=csh
" Z shell scripts
elseif s:name =~ '^zsh\>'
set ft=zsh
" TCL scripts
elseif s:name =~ '^\(tclsh\|wish\|expectk\|itclsh\|itkwish\)\>'
set ft=tcl
" Expect scripts
elseif s:name =~ '^expect\>'
set ft=expect
" Gnuplot scripts
elseif s:name =~ '^gnuplot\>'
set ft=gnuplot
" Makefiles
elseif s:name =~ 'make\>'
set ft=make
" Perl
elseif s:name =~ 'perl'
set ft=perl
" PHP
elseif s:name =~ 'php'
set ft=php
" Python
elseif s:name =~ 'python'
set ft=python
" Ruby
elseif s:name =~ 'ruby'
set ft=ruby
" BC calculator
elseif s:name =~ '^bc\>'
set ft=bc
" sed
elseif s:name =~ 'sed\>'
set ft=sed
" OCaml-scripts
elseif s:name =~ 'ocaml'
set ft=ocaml
" Awk scripts
elseif s:name =~ 'awk\>'
set ft=awk
" Website MetaLanguage
elseif s:name =~ 'wml'
set ft=wml
" Scheme scripts
elseif s:name =~ 'scheme'
set ft=scheme
endif
unlet s:name
else
" File does not start with "#!".
let s:line2 = getline(2)
let s:line3 = getline(3)
let s:line4 = getline(4)
let s:line5 = getline(5)
" Bourne-like shell scripts: sh ksh bash bash2
if s:line1 =~ '^:$'
call SetFileTypeSH(s:line1) " defined in filetype.vim
" Z shell scripts
elseif s:line1 =~ '^#compdef\>' || s:line1 =~ '^#autoload\>'
set ft=zsh
" ELM Mail files
elseif s:line1 =~ '^From [a-zA-Z][a-zA-Z_0-9\.=-]*\(@[^ ]*\)\= .*[12][09]\d\d$'
set ft=mail
" Mason
elseif s:line1 =~ '^<[%&].*>'
set ft=mason
" Vim scripts (must have '" vim' as the first line to trigger this)
elseif s:line1 =~ '^" *[vV]im$'
set ft=vim
" MOO
elseif s:line1 =~ '^\*\* LambdaMOO Database, Format Version \%([1-3]\>\)\@!\d\+ \*\*$'
set ft=moo
" Diff file:
" - "diff" in first line (context diff)
" - "Only in " in first line
" - "--- " in first line and "+++ " in second line (unified diff).
" - "*** " in first line and "--- " in second line (context diff).
" - "# It was generated by makepatch " in the second line (makepatch diff).
" - "Index: <filename>" in the first line (CVS file)
elseif s:line1 =~ '^diff\>' || s:line1 =~ '^Only in '
\ || (s:line1 =~ '^--- ' && s:line2 =~ '^+++ ')
\ || (s:line1 =~ '^\*\*\* ' && s:line2 =~ '^--- ')
\ || s:line1 =~ '^\d\+\(,\d\+\)\=[cda]\d\+\>'
\ || s:line2 =~ '^# It was generated by makepatch '
\ || s:line1 =~ '^Index:\s\+\f\+$'
\ || s:line1 =~ '^==== //\f\+#\d\+'
set ft=diff
" PostScript Files (must have %!PS as the first line, like a2ps output)
elseif s:line1 =~ '^%![ \t]*PS'
set ft=postscr
" M4 scripts: Guess there is a line that starts with "dnl".
elseif s:line1 =~ '^\s*dnl\>'
\ || s:line2 =~ '^\s*dnl\>'
\ || s:line3 =~ '^\s*dnl\>'
\ || s:line4 =~ '^\s*dnl\>'
\ || s:line5 =~ '^\s*dnl\>'
set ft=m4
" AmigaDos scripts
elseif $TERM == "amiga"
\ && (s:line1 =~ "^;" || s:line1 =~ '^\.[bB][rR][aA]')
set ft=amiga
" SiCAD scripts (must have procn or procd as the first line to trigger this)
elseif s:line1 =~? '^ *proc[nd] *$'
set ft=sicad
" Purify log files start with "**** Purify"
elseif s:line1 =~ '^\*\*\*\* Purify'
set ft=purifylog
" XML
elseif s:line1 =~ '<?\s*xml.*?>'
set ft=xml
" XHTML (e.g.: PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN")
elseif s:line1 =~ '\<DTD\s\+XHTML\s'
set ft=xhtml
" XXD output
elseif s:line1 =~ '^\x\{7}: \x\{2} \=\x\{2} \=\x\{2} \=\x\{2} '
set ft=xxd
" RCS/CVS log output
elseif s:line1 =~ '^RCS file:' || s:line2 =~ '^RCS file:'
set ft=rcslog
" CVS commit
elseif s:line2 =~ '^CVS:'
set ft=cvs
" Send-pr
elseif s:line1 =~ '^SEND-PR:'
set ft=sendpr
" SNNS files
elseif s:line1 =~ '^SNNS network definition file'
set ft=snnsnet
elseif s:line1 =~ '^SNNS pattern definition file'
set ft=snnspat
elseif s:line1 =~ '^SNNS result file'
set ft=snnsres
" Virata
elseif s:line1 =~ '^%.\{-}[Vv]irata'
\ || s:line2 =~ '^%.\{-}[Vv]irata'
\ || s:line3 =~ '^%.\{-}[Vv]irata'
\ || s:line4 =~ '^%.\{-}[Vv]irata'
\ || s:line5 =~ '^%.\{-}[Vv]irata'
set ft=virata
" Strace
elseif s:line1 =~ '^[0-9]* *execve('
set ft=strace
" VSE JCL
elseif s:line1 =~ '^\* $$ JOB\>' || s:line1 =~ '^// *JOB\>'
set ft=vsejcl
" TAK and SINDA
elseif s:line4 =~ 'K & K Associates' || s:line2 =~ 'TAK 2000'
set ft=takout
elseif s:line3 =~ 'S Y S T E M S I M P R O V E D '
set ft=sindaout
elseif getline(6) =~ 'Run Date: '
set ft=takcmp
elseif getline(9) =~ 'Node File 1'
set ft=sindacmp
" DNS zone files
elseif s:line1.s:line2 =~ '$ORIGIN\|$TTL\|IN\s*SOA'
\ || s:line1.s:line2.s:line3.s:line4 =~ 'BIND.*named'
set ft=dns
" BAAN
elseif s:line1 =~ '|\*\{1,80}' && s:line2 =~ 'VRC '
\ || s:line2 =~ '|\*\{1,80}' && s:line3 =~ 'VRC '
set ft=baan
" Valgrind
elseif s:line1 =~ '^==\d\+== valgrind'
set ft=valgrind
" Renderman Interface Bytestream
elseif s:line1 =~ '^##RenderMan'
set ft=rib
" Scheme scripts
elseif s:line1 =~ 'exec\s\+\S*scheme' || s:line2 =~ 'exec\s\+\S*scheme'
set ft=scheme
" CVS diff
else
let lnum = 1
while getline(lnum) =~ "^? " && lnum < line("$")
let lnum = lnum + 1
endwhile
if getline(lnum) =~ '^Index:\s\+\f\+$'
set ft=diff
endif
endif
unlet s:line2 s:line3 s:line4 s:line5
endif
" Restore 'cpoptions'
let &cpo = s:cpo_save
unlet s:cpo_save s:line1