Patch 9.0.0006
Problem:    Not all Visual Basic files are recognized.
Solution:   Change detection of *.cls files. (Doug Kearns)
Files:      runtime/autoload/dist/ft.vim, runtime/doc/filetype.txt,
            runtime/filetype.vim, src/testdir/test_filetype.vim


*** ../vim-9.0.0005/runtime/autoload/dist/ft.vim        2022-04-16 
21:04:20.000000000 +0100
--- runtime/autoload/dist/ft.vim        2022-06-29 14:33:55.745988864 +0100
***************
*** 72,93 ****
  
    # most frequent FreeBASIC-specific keywords in distro files
    var fb_keywords = 
'\c^\s*\%(extern\|var\|enum\|private\|scope\|union\|byref\|operator\|constructor\|delete\|namespace\|public\|property\|with\|destructor\|using\)\>\%(\s*[:=(]\)\@!'
!   var fb_preproc  = 
'\c^\s*\%(#\a\+\|option\s\+\%(byval\|dynamic\|escape\|\%(no\)\=gosub\|nokeyword\|private\|static\)\>\)'
    var fb_comment  = "^\\s*/'"
    # OPTION EXPLICIT, without the leading underscore, is common to many 
dialects
    var qb64_preproc = 
'\c^\s*\%($\a\+\|option\s\+\%(_explicit\|_\=explicitarray\)\>\)'
  
!   var lines = getline(1, min([line("$"), 100]))
! 
!   if match(lines, fb_preproc) > -1 || match(lines, fb_comment) > -1 || 
match(lines, fb_keywords) > -1
!     setf freebasic
!   elseif match(lines, qb64_preproc) > -1
!     setf qb64
!   elseif match(lines, ft_visual_basic_content) > -1
!     setf vb
!   else
!     setf basic
!   endif
  enddef
  
  export def FTbtm()
--- 72,106 ----
  
    # most frequent FreeBASIC-specific keywords in distro files
    var fb_keywords = 
'\c^\s*\%(extern\|var\|enum\|private\|scope\|union\|byref\|operator\|constructor\|delete\|namespace\|public\|property\|with\|destructor\|using\)\>\%(\s*[:=(]\)\@!'
!   var fb_preproc  = '\c^\s*\%(' ..
!                       # preprocessor
!                       '#\s*\a\+\|' ..
!                       # compiler option
!                       
'option\s\+\%(byval\|dynamic\|escape\|\%(no\)\=gosub\|nokeyword\|private\|static\)\>\|'
 ..
!                       # metacommand
!                       '\%(''\|rem\)\s*\$lang\>\|' ..
!                       # default datatype
!                       
'def\%(byte\|longint\|short\|ubyte\|uint\|ulongint\|ushort\)\>' ..
!                     '\)'
    var fb_comment  = "^\\s*/'"
+ 
    # OPTION EXPLICIT, without the leading underscore, is common to many 
dialects
    var qb64_preproc = 
'\c^\s*\%($\a\+\|option\s\+\%(_explicit\|_\=explicitarray\)\>\)'
  
!   for lnum in range(1, min([line("$"), 100]))
!     var line = getline(lnum)
!     if line =~ ft_visual_basic_content
!       setf vb
!       return
!     elseif line =~ fb_preproc || line =~ fb_comment || line =~ fb_keywords
!       setf freebasic
!       return
!     elseif line =~ qb64_preproc
!       setf qb64
!       return
!     endif
!   endfor
!   setf basic
  enddef
  
  export def FTbtm()
***************
*** 126,131 ****
--- 139,161 ----
    endif
  enddef
  
+ export def FTcls()
+   if exists("g:filetype_cls")
+     exe "setf " .. g:filetype_cls
+     return
+   endif
+ 
+   if getline(1) =~ '^%'
+     setf tex
+   elseif getline(1)[0] == '#' && getline(1) =~ 'rexx'
+     setf rexx
+   elseif getline(1) == 'VERSION 1.0 CLASS'
+     setf vb
+   else
+     setf st
+   endif
+ enddef
+ 
  export def FTlpc()
    if exists("g:lpc_syntax_for_c")
      var lnum = 1
*** ../vim-9.0.0005/runtime/doc/filetype.txt    2022-06-28 11:21:05.000000000 
+0100
--- runtime/doc/filetype.txt    2022-06-29 14:35:44.849678177 +0100
***************
*** 143,148 ****
--- 143,149 ----
        *.asp           g:filetype_asp  |ft-aspvbs-syntax| |ft-aspperl-syntax|
        *.bas           g:filetype_bas  |ft-basic-syntax|
        *.cfg           g:filetype_cfg
+       *.cls           g:filetype_cls
        *.csh           g:filetype_csh  |ft-csh-syntax|
        *.dat           g:filetype_dat
        *.frm           g:filetype_frm  |ft-form-syntax|
*** ../vim-9.0.0005/runtime/filetype.vim        2022-06-29 13:48:45.352899052 
+0100
--- runtime/filetype.vim        2022-06-29 14:33:55.745988864 +0100
***************
*** 1798,1813 ****
  au BufNewFile,BufRead .slrnrc                 setf slrnrc
  au BufNewFile,BufRead *.score                 setf slrnsc
  
! " Smalltalk (and TeX)
  au BufNewFile,BufRead *.st                    setf st
! au BufNewFile,BufRead *.cls
!       \ if getline(1) =~ '^%' |
!       \  setf tex |
!       \ elseif getline(1)[0] == '#' && getline(1) =~ 'rexx' |
!       \  setf rexx |
!       \ else |
!       \  setf st |
!       \ endif
  
  " Smarty templates
  au BufNewFile,BufRead *.tpl                   setf smarty
--- 1798,1808 ----
  au BufNewFile,BufRead .slrnrc                 setf slrnrc
  au BufNewFile,BufRead *.score                 setf slrnsc
  
! " Smalltalk
  au BufNewFile,BufRead *.st                    setf st
! 
! " Smalltalk (and Rexx, TeX, and Visual Basic)
! au BufNewFile,BufRead *.cls                     call dist#ft#FTcls()
  
  " Smarty templates
  au BufNewFile,BufRead *.tpl                   setf smarty
*** ../vim-9.0.0005/src/testdir/test_filetype.vim       2022-06-29 
13:48:45.352899052 +0100
--- src/testdir/test_filetype.vim       2022-06-29 14:33:55.745988864 +0100
***************
*** 837,843 ****
  
    " Visual Basic
  
!   call writefile(['Attribute VB_NAME = "Testing"'], 'Xfile.bas')
    split Xfile.bas
    call assert_equal('vb', &filetype)
    bwipe!
--- 837,843 ----
  
    " Visual Basic
  
!   call writefile(['Attribute VB_NAME = "Testing"', 'Enum Foo', 'End Enum'], 
'Xfile.bas')
    split Xfile.bas
    call assert_equal('vb', &filetype)
    bwipe!
***************
*** 1719,1723 ****
--- 1719,1763 ----
    filetype off
  endfunc
  
+ func Test_cls_file()
+   filetype on
+ 
+   call writefile(['looks like Smalltalk'], 'Xfile.cls')
+   split Xfile.cls
+   call assert_equal('st', &filetype)
+   bwipe!
+ 
+   " Test dist#ft#FTcls()
+ 
+   let g:filetype_cls = 'vb'
+   split Xfile.cls
+   call assert_equal('vb', &filetype)
+   bwipe!
+   unlet g:filetype_cls
+ 
+   " TeX
+ 
+   call writefile(['%'], 'Xfile.cls')
+   split Xfile.cls
+   call assert_equal('tex', &filetype)
+   bwipe!
+ 
+   " Rexx
+ 
+   call writefile(['# rexx'], 'Xfile.cls')
+   split Xfile.cls
+   call assert_equal('rexx', &filetype)
+   bwipe!
+ 
+   " Visual Basic
+ 
+   call writefile(['VERSION 1.0 CLASS'], 'Xfile.cls')
+   split Xfile.cls
+   call assert_equal('vb', &filetype)
+   bwipe!
+ 
+   call delete('Xfile.cls')
+   filetype off
+ endfunc
  
  " vim: shiftwidth=2 sts=2 expandtab
*** ../vim-9.0.0005/src/version.c       2022-06-29 13:48:45.352899052 +0100
--- src/version.c       2022-06-29 14:37:00.829465872 +0100
***************
*** 737,738 ****
--- 737,740 ----
  {   /* Add new patch number below this line */
+ /**/
+     6,
  /**/

-- 
How To Keep A Healthy Level Of Insanity:
11. Specify that your drive-through order is "to go".

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///                                                                      \\\
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