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-rw-r--r--runtime/lua/vim/filetype/detect.lua14
-rw-r--r--test/old/testdir/test_filetype.vim65
2 files changed, 69 insertions, 10 deletions
diff --git a/runtime/lua/vim/filetype/detect.lua b/runtime/lua/vim/filetype/detect.lua
index 95e55ebb21..1fe7db0e1f 100644
--- a/runtime/lua/vim/filetype/detect.lua
+++ b/runtime/lua/vim/filetype/detect.lua
@@ -1116,6 +1116,8 @@ function M.perl(path, bufnr)
end
end
+local prolog_patterns = { '^%s*:%-', '^%s*%%+%s', '^%s*%%+$', '^%s*/%*', '%.%s*$' }
+
--- @type vim.filetype.mapfn
function M.pl(_, bufnr)
if vim.g.filetype_pl then
@@ -1124,11 +1126,7 @@ function M.pl(_, bufnr)
-- Recognize Prolog by specific text in the first non-empty line;
-- require a blank after the '%' because Perl uses "%list" and "%translate"
local line = nextnonblank(bufnr, 1)
- if
- line and line:find(':%-')
- or matchregex(line, [[\c\<prolog\>]])
- or findany(line, { '^%s*%%+%s', '^%s*%%+$', '^%s*/%*' })
- then
+ if line and matchregex(line, [[\c\<prolog\>]]) or findany(line, prolog_patterns) then
return 'prolog'
else
return 'perl'
@@ -1232,11 +1230,7 @@ function M.proto(_, bufnr)
-- Recognize Prolog by specific text in the first non-empty line;
-- require a blank after the '%' because Perl uses "%list" and "%translate"
local line = nextnonblank(bufnr, 1)
- if
- line and line:find(':%-')
- or matchregex(line, [[\c\<prolog\>]])
- or findany(line, { '^%s*%%+%s', '^%s*%%+$', '^%s*/%*' })
- then
+ if line and matchregex(line, [[\c\<prolog\>]]) or findany(line, prolog_patterns) then
return 'prolog'
end
end
diff --git a/test/old/testdir/test_filetype.vim b/test/old/testdir/test_filetype.vim
index 3dff957cd5..ba7836cd4f 100644
--- a/test/old/testdir/test_filetype.vim
+++ b/test/old/testdir/test_filetype.vim
@@ -2576,4 +2576,69 @@ func Test_uci_file()
filetype off
endfunc
+func Test_pro_file()
+ filetype on
+
+ "Prolog
+ call writefile([':-module(test/1,'], 'Xfile.pro', 'D')
+ split Xfile.pro
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['% comment'], 'Xfile.pro', 'D')
+ split Xfile.pro
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['/* multiline comment'], 'Xfile.pro', 'D')
+ split Xfile.pro
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['rule(test, 1.7).'], 'Xfile.pro', 'D')
+ split Xfile.pro
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ " IDL
+ call writefile(['x = findgen(100)/10'], 'Xfile.pro', 'D')
+ split Xfile.pro
+ call assert_equal('idlang', &filetype)
+
+ filetype off
+endfunc
+
+
+func Test_pl_file()
+ filetype on
+
+ "Prolog
+ call writefile([':-module(test/1,'], 'Xfile.pl', 'D')
+ split Xfile.pl
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['% comment'], 'Xfile.pl', 'D')
+ split Xfile.pl
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['/* multiline comment'], 'Xfile.pl', 'D')
+ split Xfile.pl
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ call writefile(['rule(test, 1.7).'], 'Xfile.pl', 'D')
+ split Xfile.pl
+ call assert_equal('prolog', &filetype)
+ bwipe!
+
+ " Perl
+ call writefile(['%data = (1, 2, 3);'], 'Xfile.pl', 'D')
+ split Xfile.pl
+ call assert_equal('perl', &filetype)
+
+ filetype off
+endfunc
+
" vim: shiftwidth=2 sts=2 expandtab