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" Vim support file to detect file types in scripts
"
" Maintainer: Bram Moolenaar <Bram@vim.org>
" Last change: 2018 Feb 03
" 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.
"
" Note that the pattern matches are done with =~# to avoid the value of the
" 'ignorecase' option making a difference. Where case is to be ignored use
" =~? instead. Do not use =~ anywhere.
" 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") && filereadable(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 the word env is used, use the first word after the space:
" "#!/usr/bin/env perl [path/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 =~# '^#!.*\<env\>'
let s:name = substitute(s:line1, '^#!.*\<env\>\s\+\(\i\+\).*', '\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
" tcl scripts may have #!/bin/sh in the first line and "exec wish" in the
" third line. Suggested by Steven Atkinson.
if getline(3) =~# '^exec wish'
let s:name = 'wish'
endif
" Bourne-like shell scripts: bash bash2 ksh ksh93 sh
if s:name =~# '^\(bash\d*\|\|ksh\d*\|sh\)\>'
call dist#ft#SetFileTypeSH(s:line1) " defined in filetype.vim
" csh scripts
elseif s:name =~# '^csh\>'
if exists("g:filetype_csh")
call dist#ft#SetFileTypeShell(g:filetype_csh)
else
call dist#ft#SetFileTypeShell("csh")
endif
" tcsh scripts
elseif s:name =~# '^tcsh\>'
call dist#ft#SetFileTypeShell("tcsh")
" 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
" Pike
elseif s:name =~# '^pike\%(\>\|[0-9]\)'
set ft=pike
" Lua
elseif s:name =~# 'lua'
set ft=lua
" Perl 6
elseif s:name =~# 'perl6'
set ft=perl6
" Perl
elseif s:name =~# 'perl'
set ft=perl
" PHP
elseif s:name =~# 'php'
set ft=php
" Python
elseif s:name =~# 'python'
set ft=python
" Groovy
elseif s:name =~# '^groovy\>'
set ft=groovy
" Ruby
elseif s:name =~# 'ruby'
set ft=ruby
" JavaScript
elseif s:name =~# 'node\(js\)\=\>\|js\>' || s:name =~# 'rhino\>'
set ft=javascript
" 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
" CFEngine scripts
elseif s:name =~# 'cfengine'
set ft=cfengine
" Erlang scripts
elseif s:name =~# 'escript'
set ft=erlang
" Haskell
elseif s:name =~# 'haskell'
set ft=haskell
" Scala
elseif s:name =~# 'scala\>'
set ft=scala
" Clojure
elseif s:name =~# 'clojure'
set ft=clojure
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 dist#ft#SetFileTypeSH(s:line1) " defined in filetype.vim
" Z shell scripts
elseif s:line1 =~# '^#compdef\>' || s:line1 =~# '^#autoload\>' ||
\ "\n".s:line1."\n".s:line2."\n".s:line3."\n".s:line4."\n".s:line5 =~# '\n\s*emulate\s\+\%(-[LR]\s\+\)\=[ckz]\=sh\>'
set ft=zsh
" ELM Mail files
elseif s:line1 =~# '^From \([a-zA-Z][a-zA-Z_0-9\.=-]*\(@[^ ]*\)\=\|-\) .* \(19\|20\)\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)
" - "=== ", line of "=", "---", "+++ " (SVK diff)
" - "=== ", "--- ", "+++ " (bzr diff, common case)
" - "=== (removed|added|renamed|modified)" (bzr diff, alternative)
" - "# HG changeset patch" in first line (Mercurial export format)
elseif s:line1 =~# '^\(diff\>\|Only in \|\d\+\(,\d\+\)\=[cda]\d\+\>\|# It was generated by makepatch \|Index:\s\+\f\+\r\=$\|===== \f\+ \d\+\.\d\+ vs edited\|==== //\f\+#\d\+\|# HG changeset patch\)'
\ || (s:line1 =~# '^--- ' && s:line2 =~# '^+++ ')
\ || (s:line1 =~# '^\* looking for ' && s:line2 =~# '^\* comparing to ')
\ || (s:line1 =~# '^\*\*\* ' && s:line2 =~# '^--- ')
\ || (s:line1 =~# '^=== ' && ((s:line2 =~# '^=\{66\}' && s:line3 =~# '^--- ' && s:line4 =~# '^+++') || (s:line2 =~# '^--- ' && s:line3 =~# '^+++ ')))
\ || (s:line1 =~# '^=== \(removed\|added\|renamed\|modified\)')
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 $TERM == "amiga"
\ && (s:line1 =~# "^;" || s:line1 =~? '^\.bra')
set ft=amiga
" SiCAD scripts (must have procn or procd as the first line to trigger this)
elseif s:line1 =~? '^ *proc[nd] *$'
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
" HTML (e.g.: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN")
" Avoid "doctype html", used by slim.
elseif s:line1 =~? '<!DOCTYPE\s\+html\>'
set ft=html
" PDF
elseif s:line1 =~# '^%PDF-'
set ft=pdf
" 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:' || getline("$") =~# '^CVS: '
set ft=cvs
" Prescribe
elseif s:line1 =~# '^!R!'
set ft=prescribe
" 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(' || s:line1 =~# '^__libc_start_main'
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.s:line3.s:line4 =~# '^; <<>> DiG [0-9.]\+.* <<>>\|$ORIGIN\|$TTL\|IN\s\+SOA'
set ft=bindzone
" 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' || s:line3 =~# '^==\d\+== Using valgrind'
set ft=valgrind
" Go docs
elseif s:line1 =~# '^PACKAGE DOCUMENTATION$'
set ft=godoc
" 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
" Git output
elseif s:line1 =~# '^\(commit\|tree\|object\) \x\{40\}\>\|^tag \S\+$'
set ft=git
" Gprof (gnu profiler)
elseif s:line1 == 'Flat profile:'
\ && s:line2 == ''
\ && s:line3 =~# '^Each sample counts as .* seconds.$'
set ft=gprof
" Erlang terms
" (See also: http://www.gnu.org/software/emacs/manual/html_node/emacs/Choosing-Modes.html#Choosing-Modes)
elseif s:line1 =~? '-\*-.*erlang.*-\*-'
set ft=erlang
" CVS diff
else
let s:lnum = 1
while getline(s:lnum) =~# "^? " && s:lnum < line("$")
let s:lnum += 1
endwhile
if getline(s:lnum) =~# '^Index:\s\+\f\+$'
set ft=diff
" locale input files: Formal Definitions of Cultural Conventions
" filename must be like en_US, fr_FR@euro or en_US.UTF-8
elseif expand("%") =~# '\a\a_\a\a\($\|[.@]\)\|i18n$\|POSIX$\|translit_'
let s:lnum = 1
while s:lnum < 100 && s:lnum < line("$")
if getline(s:lnum) =~# '^LC_\(IDENTIFICATION\|CTYPE\|COLLATE\|MONETARY\|NUMERIC\|TIME\|MESSAGES\|PAPER\|TELEPHONE\|MEASUREMENT\|NAME\|ADDRESS\)$'
setf fdcc
break
endif
let s:lnum += 1
endwhile
endif
unlet s:lnum
endif
unlet s:line2 s:line3 s:line4 s:line5
endif
" Restore 'cpoptions'
let &cpo = s:cpo_save
unlet s:cpo_save s:line1