VIM and Scala -- indentation problems? - vim

Question

I downloaded Scala 2.8, installed the vim scripts included and tried to type in some Scala code. When I typed in val x = 1 + 2 and hit ENTER, the indentation goes to below the v. When I type in val x = (1 + 2), the indentation is below the x!
If VIM is used by anyone at all for Scala, this bug should've been seen long ago. Or am I the only one seeing this?

Answer 1

With the indent/scala.vim from the current 2.8.0.final release I have the same outcome... But I know, that it worked in a earlier release, because I have one file here where it works. Here it is:
" Vim indent file
" Language : Scala (http://scala-lang.org/)
" Maintainer : Stefan Matthias Aust
" Last Change: 2006 Apr 13
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
setlocal indentexpr=GetScalaIndent()
setlocal indentkeys=0{,0},0),!^F,<>>,<CR>
setlocal autoindent sw=2 et
if exists("*GetScalaIndent")
finish
endif
function! CountParens(line)
let line = substitute(a:line, '"\(.\|\\"\)*"', '', 'g')
let open = substitute(line, '[^(]', '', 'g')
let close = substitute(line, '[^)]', '', 'g')
return strlen(open) - strlen(close)
endfunction
function! GetScalaIndent()
" Find a non-blank line above the current line.
let lnum = prevnonblank(v:lnum - 1)
" Hit the start of the file, use zero indent.
if lnum == 0
return 0
endif
let ind = indent(lnum)
let prevline = getline(lnum)
"Indent html literals
if prevline !~ '/>\s*$' && prevline =~ '^\s*<[a-zA-Z][^>]*>\s*$'
return ind + &shiftwidth
endif
"### Taken from mail on scala mailing list
"### -------------------------------------
" Add a 'shiftwidth' after lines that start a block
" If if, for or while end with ), this is a one-line block
" If val, var, def end with =, this is a one-line block
"if prevline =~ '^\s*\<\(\(else\s\+\)\?if\|for\|while\|va[lr]\|def\)\>.*[)=]\s*$'
"\ || prevline =~ '^\s*\<else\>\s*$'
"\ || prevline =~ '{\s*$'
"let ind = ind + &shiftwidth
"endif
" Add a 'shiftwidth' after lines that start a block
" If if, for or while end with ), this is a one-line block
" If val, var, def end with =, this is a one-line block
if prevline =~ '^\s*\<\(\(else\s\+\)\?if\|for\|while\)\>.*[)]\s*$'
\ || prevline =~ '^\s*\<\(\(va[lr]\|def\)\>.*[=]\s*$'
\ || prevline =~ '^\s*\<else\>\s*$'
\ || prevline =~ '{\s*$'
let ind = ind + &shiftwidth
endif
" If parenthesis are unbalanced, indent or dedent
let c = CountParens(prevline)
echo c
if c > 0
let ind = ind + &shiftwidth
elseif c < 0
let ind = ind - &shiftwidth
endif
"### Taken from mail on scala mailing list
"### -------------------------------------
" Dedent after if, for, while and val, var, def without block
"let pprevline = getline(prevnonblank(lnum - 1))
"if pprevline =~ '^\s*\<\(\(else\s\+\)\?if\|for\|while\|va[lr]\|def\)\>.*[)=]\s*$'
"\ || pprevline =~ '^\s*\<else\>\s*$'
"let ind = ind - &shiftwidth
"endif
" Dedent after if, for, while and val, var, def without block
"let pprevline = getline(prevnonblank(lnum - 1))
if pprevline =~ '^\s*\<\(\(else\s\+\)\?if\|for\|while\)\>.*[)]\s*$'
\ || pprevline =~ '^\s*\<\(\va[lr]\|def\)\>.*[=]\s*$'
\ || pprevline =~ '^\s*\<else\>\s*$'
let ind = ind - &shiftwidth
endif
" Align 'for' clauses nicely
if prevline =~ '^\s*\<for\> (.*;\s*$'
let ind = ind - &shiftwidth + 5
endif
" Subtract a 'shiftwidth' on '}' or html
let thisline = getline(v:lnum)
if thisline =~ '^\s*[})]'
\ || thisline =~ '^\s*</[a-zA-Z][^>]*>'
let ind = ind - &shiftwidth
endif
return ind
endfunction
But I have no clue, where the change was introduced... Tried to find it in the SVN history at https://codereview.scala-lang.org/fisheye/browse/scala-svn/scala-tool-support/trunk/src/vim/indent/scala.vim