Use only one level of indentation after opening paren (#127)

[etc/vim.git] / indent / python.vim

diff --git a/indent/python.vim b/indent/python.vim
index 2953935111dc8c2538e32678f60a8889d033bfd8..532bab585521c0f4cbbe1a08ab928768a1c05249 100644 (file)
--- a/indent/python.vim
+++ b/indent/python.vim
@@ -69,13 +69,15 @@ let s:stop_statement = '^\s*\(break\|continue\|raise\|return\|pass\)\>'
 let s:skip_after_opening_paren = 'synIDattr(synID(line("."), col("."), 0), "name") ' .
             \ '=~? "\\vcomment|jedi\\S"'
 
+let s:special_chars_syn_pattern = "\\vstring|comment|^pythonbytes%(contents)=$|pythonTodo|jedi\\S"
+
 if !get(g:, 'python_pep8_indent_skip_concealed', 0) || !has('conceal')
     " Skip strings and comments. Return 1 for chars to skip.
     " jedi* refers to syntax definitions from jedi-vim for call signatures, which
     " are inserted temporarily into the buffer.
     function! s:_skip_special_chars(line, col)
         return synIDattr(synID(a:line, a:col, 0), 'name')
-                \ =~? "\\vstring|comment|^pythonbytes%(contents)=$|jedi\\S"
+              \ =~? s:special_chars_syn_pattern
     endfunction
 else
     " Also ignore anything concealed.
@@ -90,12 +92,11 @@ else
 
     function! s:_skip_special_chars(line, col)
         return synIDattr(synID(a:line, a:col, 0), 'name')
-                \ =~? "\\vstring|comment|^pythonbytes%(contents)=$|jedi\\S"
-                \ || s:is_concealed(a:line, a:col)
+              \ =~? s:special_chars_syn_pattern
+              \ || s:is_concealed(a:line, a:col)
     endfunction
 endif
 
-
 " Use 'shiftwidth()' instead of '&sw'.
 " (Since Vim patch 7.3.629, 'shiftwidth' can be set to 0 to follow 'tabstop').
 if exists('*shiftwidth')
@@ -109,37 +110,21 @@ else
 endif
 
 " Find backwards the closest open parenthesis/bracket/brace.
-function! s:find_opening_paren(...)
-    " optional arguments: line and column (defaults to 1) to search around
-    if a:0 > 0
-        let view = winsaveview()
-        call cursor(a:1, a:0 > 1 ? a:2 : 1)
-        let ret = s:find_opening_paren()
-        call winrestview(view)
-        return ret
-    endif
-
+function! s:find_opening_paren(lnum, col)
     " Return if cursor is in a comment.
-    if synIDattr(synID(line('.'), col('.'), 0), 'name') =~? 'comment'
+    if synIDattr(synID(a:lnum, a:col, 0), 'name') =~? 'comment'
         return [0, 0]
     endif
 
+    call cursor(a:lnum, a:col)
+
     let nearest = [0, 0]
+    let timeout = g:python_pep8_indent_searchpair_timeout
+    let skip_special_chars = 's:_skip_special_chars(line("."), col("."))'
     for [p, maxoff] in items(s:paren_pairs)
         let stopline = max([0, line('.') - maxoff, nearest[0]])
-        let found = 0
-        while 1
-            let next = searchpairpos(
-               \ '\V'.p[0], '', '\V'.p[1], 'bnW', '', stopline, g:python_pep8_indent_searchpair_timeout)
-
-            if !next[0]
-                break
-            endif
-            if !s:_skip_special_chars(next[0], next[1])
-                break
-            endif
-            call cursor(next[0], next[1])
-        endwhile
+        let next = searchpairpos(
+           \ '\V'.p[0], '', '\V'.p[1], 'bnW', skip_special_chars, stopline, timeout)
         if next[0] && (next[0] > nearest[0] || (next[0] == nearest[0] && next[1] > nearest[1]))
             let nearest = next
         endif
@@ -154,7 +139,7 @@ function! s:find_start_of_multiline_statement(lnum)
         if getline(lnum - 1) =~# '\\$'
             let lnum = prevnonblank(lnum - 1)
         else
-            let [paren_lnum, _] = s:find_opening_paren(lnum)
+            let [paren_lnum, _] = s:find_opening_paren(lnum, 1)
             if paren_lnum < 1
                 return lnum
             else
@@ -211,7 +196,7 @@ endfunction
 
 " Line up with open parenthesis/bracket/brace.
 function! s:indent_like_opening_paren(lnum)
-    let [paren_lnum, paren_col] = s:find_opening_paren(a:lnum)
+    let [paren_lnum, paren_col] = s:find_opening_paren(a:lnum, 1)
     if paren_lnum <= 0
         return -2
     endif
@@ -229,7 +214,7 @@ function! s:indent_like_opening_paren(lnum)
         if starts_with_closing_paren && !hang_closing
             let res = base
         else
-            let res = base + s:sw()
+            return base + s:sw()
         endif
     else
         " Indent to match position of opening paren.
@@ -241,7 +226,7 @@ function! s:indent_like_opening_paren(lnum)
     " from the next logical line.
     if text =~# b:control_statement && res == base + s:sw()
         " But only if not inside parens itself (Flake's E127).
-        let [paren_lnum, _] = s:find_opening_paren(paren_lnum)
+        let [paren_lnum, _] = s:find_opening_paren(paren_lnum, 1)
         if paren_lnum <= 0
             return res + s:sw()
         endif
@@ -341,7 +326,7 @@ function! s:indent_like_previous_line(lnum)
         return -1
     endif
 
-    if !empty && s:is_dedented_already(current, base)
+    if (current || !empty) && s:is_dedented_already(current, base)
         return -1
     endif
 
@@ -392,11 +377,12 @@ function! GetPythonPEPIndent(lnum)
         if match_quotes != -1
             " closing multiline string
             let quotes = line[match_quotes:(match_quotes+2)]
-            let pairpos = searchpairpos(quotes, '', quotes, 'b', 1, g:python_pep8_indent_searchpair_timeout)
+            call cursor(a:lnum, 1)
+            let pairpos = searchpairpos(quotes, '', quotes, 'bW', '', 0, g:python_pep8_indent_searchpair_timeout)
             if pairpos[0] != 0
                 return indent(pairpos[0])
             else
-                " TODO: test to cover this!
+                return -1
             endif
         endif