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+" Vim support file to detect file types in scripts
+"
+" Maintainer: Bram Moolenaar <Bram@vim.org>
+" Last change: 2020 Aug 15
+
+" 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 {options} bash". Turn it into
+ " "#!/usr/bin/bash" to make matching easier.
+ " Recognize only a few {options} that are commonly used.
+ if s:line1 =~# '^#!\s*\S*\<env\s'
+ let s:line1 = substitute(s:line1, '\S\+=\S\+', '', 'g')
+ let s:line1 = substitute(s:line1, '\(-[iS]\|--ignore-environment\|--split-string\)', '', '')
+ 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; also finds "gawk"
+ 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
+
+ " Free Pascal
+ elseif s:name =~# 'instantfpc\>'
+ set ft=pascal
+
+ " Fennel
+ elseif s:name =~# 'fennel\>'
+ set ft=fennel
+
+ 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
+
+ " libcxx and libstdc++ standard library headers like "iostream" do not have
+ " an extension, recognize the Emacs file mode.
+ elseif s:line1 =~? '-\*-.*C++.*-\*-'
+ set ft=cpp
+
+ " 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
+
+ " YAML
+ elseif s:line1 =~# '^%YAML'
+ set ft=yaml
+
+ " 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 05:44:09 +0000