Update

indent/dune.vim

@@ -0,0 +1,14 @@
+if exists('g:polyglot_disabled') && index(g:polyglot_disabled, 'ocaml') != -1
+  finish
+endif
+
+" Vim indent file
+" Language: dune
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+" dune format-dune-file uses 1 space to indent
+set softtabstop=1 shiftwidth=1 expandtab

indent/rust.vim

@@ -85,8 +85,17 @@ function! s:is_string_comment(lnum, col)
     endif
 endfunction
 
-function GetRustIndent(lnum)
+if exists('*shiftwidth')
+    function! s:shiftwidth()
+        return shiftwidth()
+    endfunc
+else
+    function! s:shiftwidth()
+        return &shiftwidth
+    endfunc
+endif
 
+function GetRustIndent(lnum)
     " Starting assumption: cindent (called at the end) will do it right
     " normally. We just want to fix up a few cases.
 
@@ -132,14 +141,65 @@ function GetRustIndent(lnum)
         let prevline = s:get_line_trimmed(prevlinenum)
     endwhile
 
+    " A standalone '{', '}', or 'where'
+    let l:standalone_open = line =~# '\V\^\s\*{\s\*\$'
+    let l:standalone_close = line =~# '\V\^\s\*}\s\*\$'
+    let l:standalone_where = line =~# '\V\^\s\*where\s\*\$'
+    if l:standalone_open || l:standalone_close || l:standalone_where
+        " ToDo: we can search for more items than 'fn' and 'if'.
+        let [l:found_line, l:col, l:submatch] =
+                    \ searchpos('\<\(fn\)\|\(if\)\>', 'bnWp')
+        if l:found_line !=# 0
+            " Now we count the number of '{' and '}' in between the match
+            " locations and the current line (there is probably a better
+            " way to compute this).
+            let l:i = l:found_line
+            let l:search_line = strpart(getline(l:i), l:col - 1)
+            let l:opens = 0
+            let l:closes = 0
+            while l:i < a:lnum
+                let l:search_line2 = substitute(l:search_line, '\V{', '', 'g')
+                let l:opens += strlen(l:search_line) - strlen(l:search_line2)
+                let l:search_line3 = substitute(l:search_line2, '\V}', '', 'g')
+                let l:closes += strlen(l:search_line2) - strlen(l:search_line3)
+                let l:i += 1
+                let l:search_line = getline(l:i)
+            endwhile
+            if l:standalone_open || l:standalone_where
+                if l:opens ==# l:closes
+                    return indent(l:found_line)
+                endif
+            else
+                " Expect to find just one more close than an open
+                if l:opens ==# l:closes + 1
+                    return indent(l:found_line)
+                endif
+            endif
+        endif
+    endif
+
+    " A standalone 'where' adds a shift.
+    let l:standalone_prevline_where = prevline =~# '\V\^\s\*where\s\*\$'
+    if l:standalone_prevline_where
+        return indent(prevlinenum) + 4
+    endif
+
     " Handle where clauses nicely: subsequent values should line up nicely.
     if prevline[len(prevline) - 1] ==# ","
                 \ && prevline =~# '^\s*where\s'
         return indent(prevlinenum) + 6
     endif
 
-    if prevline[len(prevline) - 1] ==# ","
-                \ && s:get_line_trimmed(a:lnum) !~# '^\s*[\[\]{}]'
+    let l:last_prevline_character = prevline[len(prevline) - 1]
+
+    " A line that ends with '.<expr>;' is probably an end of a long list
+    " of method operations.
+    if prevline =~# '\V\^\s\*.' && l:last_prevline_character ==# ';'
+        return indent(prevlinenum) - s:shiftwidth()
+    endif
+
+    if l:last_prevline_character ==# ","
+                \ && s:get_line_trimmed(a:lnum) !~# '^\s*[\[\]{})]'
                 \ && prevline !~# '^\s*fn\s'
                 \ && prevline !~# '([^()]\+,$'
                 \ && s:get_line_trimmed(a:lnum) !~# '^\s*\S\+\s*=>'

indent/scala.vim

@@ -21,7 +21,10 @@ if exists("*GetScalaIndent")
   finish
 endif
 
-let s:defMatcher = '\%(\%(private\|protected\)\%(\[[^\]]*\]\)\?\s\+\|abstract\s\+\|override\s\+\)*\<def\>'
+let s:annotationMatcher = '@[A-Za-z._]\+\s\+'
+let s:modifierMatcher = s:annotationMatcher . '\|\%(private\|protected\)\%(\[[^\]]*\]\)\?\s\+\|abstract\s\+\|override\s\+\|final\s\+'
+let s:defMatcher = '\%(' . s:modifierMatcher . '\)*\<def\>'
+let s:valMatcher = '\%(' . s:modifierMatcher . '\|lazy\s\+\)*\<va[lr]\>'
 let s:funcNameMatcher = '\w\+'
 let s:typeSpecMatcher = '\%(\s*\[\_[^\]]*\]\)'
 let s:defArgMatcher = '\%((\_.\{-})\)'
@@ -185,7 +188,7 @@ function! scala#NumberOfBraceGroups(line)
 endfunction
 
 function! scala#MatchesIncompleteDefValr(line)
-  if a:line =~ '^\s*\%(' . s:defMatcher . '\|\<va[lr]\>\).*[=({]\s*$'
+  if a:line =~ '^\s*\%(' . s:defMatcher . '\|' . s:valMatcher . '\).*[=({]\s*$'
     return 1
   else
     return 0
@@ -435,7 +438,7 @@ function! GetScalaIndent()
   " If 'val', 'var', 'def' end with =, this is a one-line block
   if (prevline =~ '^\s*\<\%(\%(}\?\s*else\s\+\)\?if\|for\|while\)\>.*[)=]\s*$' && scala#NumberOfBraceGroups(prevline) <= 1)
         \ || prevline =~ '^\s*' . s:defMatcher . '.*=\s*$'
-        \ || prevline =~ '^\s*\<va[lr]\>.*[=]\s*$'
+        \ || prevline =~ '^\s*' . s:valMatcher . '.*[=]\s*$'
         \ || prevline =~ '^\s*\%(}\s*\)\?\<else\>\s*$'
         \ || prevline =~ '=\s*$'
     call scala#ConditionalConfirm("4")

indent/terraform.vim

@@ -34,24 +34,19 @@ function! TerraformIndent(lnum)
     return 0
   endif
 
-  " Previous non-blank line should continue the indent level
+  " Usual case is to continue at the same indent as the previous non-blank line.
   let prevlnum = prevnonblank(a:lnum-1)
+  let thisindent = indent(prevlnum)
 
-  " Previous line without comments should continue the indent level
-  let prevline = substitute(getline(prevlnum), '//.*$', '', '')
-  let previndent = indent(prevlnum)
-  let thisindent = previndent
-
-  " Config block starting with [ { ( should increase the indent level
-  if prevline =~# '[\[{\(]\s*$'
+  " If that previous line is a non-comment ending in [ { (, increase the
+  " indent level.
+  let prevline = getline(prevlnum)
+  if prevline !~# '^\s*\(#\|//\)' && prevline =~# '[\[{\(]\s*$'
     let thisindent += &shiftwidth
   endif
 
-  " Current line without comments should continue the indent level
-  let thisline = substitute(getline(a:lnum), '//.*$', '', '')
-
-  " Config block ending with ) } ] should get the indentation
-  " level from the initial config block
+  " If the current line ends a block, decrease the indent level.
+  let thisline = getline(a:lnum)
   if thisline =~# '^\s*[\)}\]]'
     let thisindent -= &shiftwidth
   endif