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Major update

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This commit is contained in:
Adam Stankiewicz
2014-06-08 13:18:33 +02:00
parent e961fa8037
commit 45273d44d4
24 changed files with 755 additions and 424 deletions
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56
indent/rust.vim
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@@ -13,7 +13,7 @@ setlocal cindent
setlocal cinoptions=L0,(0,Ws,JN,j1
setlocal cinkeys=0{,0},!^F,o,O,0[,0]
" Don't think cinwords will actually do anything at all... never mind
setlocal cinwords=do,for,if,else,while,loop,impl,mod,unsafe,trait,struct,enum,fn,extern
setlocal cinwords=for,if,else,while,loop,impl,mod,unsafe,trait,struct,enum,fn,extern
" Some preliminary settings
setlocal nolisp " Make sure lisp indenting doesn't supersede us
@@ -30,7 +30,7 @@ endif
" Come here when loading the script the first time.
function s:get_line_trimmed(lnum)
function! s:get_line_trimmed(lnum)
" Get the line and remove a trailing comment.
" Use syntax highlighting attributes when possible.
" NOTE: this is not accurate; /* */ or a line continuation could trick it
@@ -40,12 +40,12 @@ function s:get_line_trimmed(lnum)
" If the last character in the line is a comment, do a binary search for
" the start of the comment. synID() is slow, a linear search would take
" too long on a long line.
if synIDattr(synID(a:lnum, line_len, 1), "name") =~ "Comment\|Todo"
if synIDattr(synID(a:lnum, line_len, 1), "name") =~ 'Comment\|Todo'
let min = 1
let max = line_len
while min < max
let col = (min + max) / 2
if synIDattr(synID(a:lnum, col, 1), "name") =~ "Comment\|Todo"
if synIDattr(synID(a:lnum, col, 1), "name") =~ 'Comment\|Todo'
let max = col
else
let min = col + 1
@@ -61,6 +61,20 @@ function s:get_line_trimmed(lnum)
endif
endfunction
function! s:is_string_comment(lnum, col)
if has('syntax_items')
for id in synstack(a:lnum, a:col)
let synname = synIDattr(id, "name")
if synname == "rustString" || synname =~ "^rustComment"
return 1
endif
endfor
else
" without syntax, let's not even try
return 0
endif
endfunction
function GetRustIndent(lnum)
" Starting assumption: cindent (called at the end) will do it right
@@ -73,10 +87,10 @@ function GetRustIndent(lnum)
if synname == "rustString"
" If the start of the line is in a string, don't change the indent
return -1
elseif synname =~ "\\(Comment\\|Todo\\)"
\ && line !~ "^\\s*/\\*" " not /* opening line
elseif synname =~ '\(Comment\|Todo\)'
\ && line !~ '^\s*/\*' " not /* opening line
if synname =~ "CommentML" " multi-line
if line !~ "^\\s*\\*" && getline(a:lnum - 1) =~ "^\\s*/\\*"
if line !~ '^\s*\*' && getline(a:lnum - 1) =~ '^\s*/\*'
" This is (hopefully) the line after a /*, and it has no
" leader, so the correct indentation is that of the
" previous line.
@@ -101,10 +115,16 @@ function GetRustIndent(lnum)
" };
" Search backwards for the previous non-empty line.
let prevline = s:get_line_trimmed(prevnonblank(a:lnum - 1))
let prevlinenum = prevnonblank(a:lnum - 1)
let prevline = s:get_line_trimmed(prevlinenum)
while prevlinenum > 1 && prevline !~ '[^[:blank:]]'
let prevlinenum = prevnonblank(prevlinenum - 1)
let prevline = s:get_line_trimmed(prevlinenum)
endwhile
if prevline[len(prevline) - 1] == ","
\ && s:get_line_trimmed(a:lnum) !~ "^\\s*[\\[\\]{}]"
\ && prevline !~ "^\\s*fn\\s"
\ && s:get_line_trimmed(a:lnum) !~ '^\s*[\[\]{}]'
\ && prevline !~ '^\s*fn\s'
\ && prevline !~ '([^()]\+,$'
" Oh ho! The previous line ended in a comma! I bet cindent will try to
" take this too far... For now, let's normally use the previous line's
" indent.
@@ -119,6 +139,16 @@ function GetRustIndent(lnum)
" fn foo(baz: Baz,
" baz: Baz) // <-- cindent gets this right by itself
"
" Another case is similar to the previous, except calling a function
" instead of defining it, or any conditional expression that leaves
" an open paren:
"
" foo(baz,
" baz);
"
" if baz && (foo ||
" bar) {
"
" There are probably other cases where we don't want to do this as
" well. Add them as needed.
return GetRustIndent(a:lnum - 1)
@@ -141,8 +171,10 @@ function GetRustIndent(lnum)
" column zero)
call cursor(a:lnum, 1)
if searchpair('{\|(', '', '}\|)', 'nbW') == 0
if searchpair('\[', '', '\]', 'nbW') == 0
if searchpair('{\|(', '', '}\|)', 'nbW',
\ 's:is_string_comment(line("."), col("."))') == 0
if searchpair('\[', '', '\]', 'nbW',
\ 's:is_string_comment(line("."), col("."))') == 0
" Global scope, should be zero
return 0
else