diff options
Diffstat (limited to 'runtime/autoload/dist/ft.vim')
-rw-r--r-- | runtime/autoload/dist/ft.vim | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim index a2f485dd67..77140d62b1 100644 --- a/runtime/autoload/dist/ft.vim +++ b/runtime/autoload/dist/ft.vim @@ -348,7 +348,7 @@ func dist#ft#FTidl() setf idl endfunc -" Distinguish between "default" and Cproto prototype file. */ +" Distinguish between "default", Prolog and Cproto prototype file. */ func dist#ft#ProtoCheck(default) " Cproto files have a comment in the first line and a function prototype in " the second line, it always ends in ";". Indent files may also have @@ -358,7 +358,14 @@ func dist#ft#ProtoCheck(default) if getline(2) =~ '.;$' setf cpp else - exe 'setf ' . a:default + " recognize Prolog by specific text in the first non-empty line + " require a blank after the '%' because Perl uses "%list" and "%translate" + let l = getline(nextnonblank(1)) + if l =~ '\<prolog\>' || l =~ '^\s*\(%\+\(\s\|$\)\|/\*\)' || l =~ ':-' + setf prolog + else + exe 'setf ' .. a:default + endif endif endfunc |