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-rw-r--r--runtime/autoload/dist/ft.vim19
-rw-r--r--runtime/filetype.vim6
-rw-r--r--runtime/lua/vim/filetype.lua4
-rw-r--r--runtime/lua/vim/filetype/detect.lua13
-rw-r--r--src/nvim/testdir/test_filetype.vim38
5 files changed, 75 insertions, 5 deletions
diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index 77140d62b1..7333e5a7e7 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -468,7 +468,7 @@ endfunc
" Returns true if file content looks like LambdaProlog module
func IsLProlog()
- " skip apparent comments and blank lines, what looks like
+ " skip apparent comments and blank lines, what looks like
" LambdaProlog comment may be RAPID header
let l = nextnonblank(1)
while l > 0 && l < line('$') && getline(l) =~ '^\s*%' " LambdaProlog comment
@@ -877,6 +877,23 @@ func dist#ft#FTsig()
endif
endfunc
+" This function checks the first 100 lines of files matching "*.sil" to
+" resolve detection between Swift Intermediate Language and SILE.
+func dist#ft#FTsil()
+ for lnum in range(1, [line('$'), 100]->min())
+ let line = getline(lnum)
+ if line =~ '^\s*[\\%]'
+ setf sile
+ return
+ elseif line =~ '^\s*\S'
+ setf sil
+ return
+ endif
+ endfor
+ " no clue, default to "sil"
+ setf sil
+endfunc
+
func dist#ft#FTsys()
if exists("g:filetype_sys")
exe "setf " .. g:filetype_sys
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 98d9df8b5c..d26cb808b5 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1823,7 +1823,7 @@ au BufNewFile,BufRead *.score setf slrnsc
au BufNewFile,BufRead *.st setf st
" Smalltalk (and Rexx, TeX, and Visual Basic)
-au BufNewFile,BufRead *.cls call dist#ft#FTcls()
+au BufNewFile,BufRead *.cls call dist#ft#FTcls()
" Smarty templates
au BufNewFile,BufRead *.tpl setf smarty
@@ -1930,8 +1930,8 @@ au BufNewFile,BufRead *.cm setf voscm
au BufNewFile,BufRead *.swift setf swift
au BufNewFile,BufRead *.swift.gyb setf swiftgyb
-" Swift Intermediate Language
-au BufNewFile,BufRead *.sil setf sil
+" Swift Intermediate Language or SILE
+au BufNewFile,BufRead *.sil call dist#ft#FTsil()
" Sysctl
au BufNewFile,BufRead */etc/sysctl.conf,*/etc/sysctl.d/*.conf setf sysctl
diff --git a/runtime/lua/vim/filetype.lua b/runtime/lua/vim/filetype.lua
index fcd697a7c1..6306605641 100644
--- a/runtime/lua/vim/filetype.lua
+++ b/runtime/lua/vim/filetype.lua
@@ -902,7 +902,9 @@ local extension = {
sig = function(path, bufnr)
return require('vim.filetype.detect').sig(bufnr)
end,
- sil = 'sil',
+ sil = function(path, bufnr)
+ return require('vim.filetype.detect').sil(bufnr)
+ end,
sim = 'simula',
['s85'] = 'sinda',
sin = 'sinda',
diff --git a/runtime/lua/vim/filetype/detect.lua b/runtime/lua/vim/filetype/detect.lua
index 2be9dcff88..7fc7f1b7ca 100644
--- a/runtime/lua/vim/filetype/detect.lua
+++ b/runtime/lua/vim/filetype/detect.lua
@@ -1194,6 +1194,19 @@ function M.shell(path, contents, name)
return name
end
+-- Swift Intermediate Language or SILE
+function M.sil(bufnr)
+ for _, line in ipairs(getlines(bufnr, 1, 100)) do
+ if line:find('^%s*[\\%%]') then
+ return 'sile'
+ elseif line:find('^%s*%S') then
+ return 'sil'
+ end
+ end
+ -- No clue, default to "sil"
+ return 'sil'
+end
+
-- SMIL or SNMP MIB file
function M.smi(bufnr)
local line = getlines(bufnr, 1)
diff --git a/src/nvim/testdir/test_filetype.vim b/src/nvim/testdir/test_filetype.vim
index 68ce9148a4..4f5ae830b7 100644
--- a/src/nvim/testdir/test_filetype.vim
+++ b/src/nvim/testdir/test_filetype.vim
@@ -1824,6 +1824,44 @@ func Test_sig_file()
filetype off
endfunc
+" Test dist#ft#FTsil()
+func Test_sil_file()
+ filetype on
+
+ split Xfile.sil
+ call assert_equal('sil', &filetype)
+ bwipe!
+
+ let lines =<< trim END
+ // valid
+ let protoErasedPathA = \ABCProtocol.a
+
+ // also valid
+ let protoErasedPathA =
+ \ABCProtocol.a
+ END
+ call writefile(lines, 'Xfile.sil')
+
+ split Xfile.sil
+ call assert_equal('sil', &filetype)
+ bwipe!
+
+ " SILE
+
+ call writefile(['% some comment'], 'Xfile.sil')
+ split Xfile.sil
+ call assert_equal('sile', &filetype)
+ bwipe!
+
+ call writefile(['\begin[papersize=a6]{document}foo\end{document}'], 'Xfile.sil')
+ split Xfile.sil
+ call assert_equal('sile', &filetype)
+ bwipe!
+
+ call delete('Xfile.sil')
+ filetype off
+endfunc
+
func Test_inc_file()
filetype on