From: Hynek Schlawack <hs@ox.cx>
Date: Fri, 3 Jan 2014 19:36:41 +0000 (+0100)
Subject: Un-indent for "else" after "for" and "try/except"
X-Git-Url: https://git.madduck.net/etc/vim.git/commitdiff_plain/c1bd583a7f217958d2c79621af15cdde13607f58

Un-indent for "else" after "for" and "try/except"

Fixes #21
---

diff --git a/indent/python.vim b/indent/python.vim
index 4d1edc2..4dcdf8b 100644
--- a/indent/python.vim
+++ b/indent/python.vim
@@ -101,7 +101,6 @@ function! s:BlockStarter(lnum, block_start_re)
 endfunction
 
 function! GetPythonPEPIndent(lnum)
-
     " First line has indent 0
     if a:lnum == 1
         return 0
@@ -128,8 +127,8 @@ function! GetPythonPEPIndent(lnum)
     let thisline = getline(a:lnum)
     let thisindent = indent(a:lnum)
 
-    " If the line starts with 'elif' or 'else', line up with 'if' or 'elif'
-    if thisline =~ '^\s*\(elif\|else\)\>'
+    " If the line starts with 'elif', line up with 'if' or 'elif'
+    if thisline =~ '^\s*elif\>'
         let bslnum = s:BlockStarter(a:lnum, '^\s*\(if\|elif\)\>')
         if bslnum > 0
             return indent(bslnum)
@@ -138,8 +137,8 @@ function! GetPythonPEPIndent(lnum)
         endif
     endif
 
-    " If the line starts with 'except' or 'finally', line up with 'try'
-    " or 'except'
+    " If the line starts with 'except', or 'finally', line up with 'try'
+    " or 'except'.
     if thisline =~ '^\s*\(except\|finally\)\>'
         let bslnum = s:BlockStarter(a:lnum, '^\s*\(try\|except\)\>')
         if bslnum > 0
@@ -149,6 +148,18 @@ function! GetPythonPEPIndent(lnum)
         endif
     endif
 
+    " If the line starts with 'else', line it up with 'try', 'except', 'for',
+    " 'if', or 'elif'.
+    if thisline =~ '^\s*else\>'
+        :echom thisline
+        let bslnum = s:BlockStarter(a:lnum, '^\s*\(try\|except\|if\|elif\|for\)\>')
+        if bslnum > 0
+            return indent(bslnum)
+        else
+            return -1
+        endif
+    endif
+
     " Examine previous line
     let plnum = a:lnum - 1
     let pline = getline(plnum)
diff --git a/spec/indent/indent_spec.rb b/spec/indent/indent_spec.rb
index eb3c8a6..77b94ef 100644
--- a/spec/indent/indent_spec.rb
+++ b/spec/indent/indent_spec.rb
@@ -123,6 +123,63 @@ shared_examples_for "vim" do
      end
   end
 
+  describe "when an 'if' is followed by" do
+     before { vim.feedkeys 'i\<TAB>\<TAB>if x:\<CR>' }
+     it "an elif, it lines up with the 'if'" do
+        vim.feedkeys 'elif y:'
+        indent.should == shiftwidth * 2
+     end
+
+     it "an 'else', it lines up with the 'if'" do
+        vim.feedkeys 'else:'
+        indent.should == shiftwidth * 2
+     end
+  end
+
+  describe "when a 'for' is followed by" do
+     before { vim.feedkeys 'i\<TAB>\<TAB>for x in y:\<CR>' }
+     it "an 'else', it lines up with the 'for'" do
+        vim.feedkeys 'else:'
+        indent.should == shiftwidth * 2
+     end
+  end
+
+  describe "when a 'try' is followed by" do
+     before { vim.feedkeys 'i\<TAB>\<TAB>try:\<CR>' }
+     it "an 'except', it lines up with the 'try'" do
+        vim.feedkeys 'except:'
+        indent.should == shiftwidth * 2
+     end
+
+     it "an 'else', it lines up with the 'try'" do
+        vim.feedkeys 'else:'
+        indent.should == shiftwidth * 2
+     end
+
+     it "a 'finally', it lines up with the 'try'" do
+        vim.feedkeys 'finally:'
+        indent.should == shiftwidth * 2
+     end
+  end
+
+  describe "when an 'except' is followed by" do
+     before { vim.feedkeys 'i\<TAB>\<TAB>except:\<CR>' }
+     it "an 'else', it lines up with the 'except'" do
+        vim.feedkeys 'else:'
+        indent.should == shiftwidth * 2
+     end
+
+     it "another 'except', it lines up with the previous 'except'" do
+        vim.feedkeys 'except:'
+        indent.should == shiftwidth * 2
+     end
+
+     it "a 'finally', it lines up with the 'except'" do
+        vim.feedkeys 'finally:'
+        indent.should == shiftwidth * 2
+     end
+  end
+
   def shiftwidth
     @shiftwidth ||= vim.echo("exists('*shiftwidth') ? shiftwidth() : &sw").to_i
   end