From 1a25f9aa0125db1d506e7e92ab83e06754df75fa Mon Sep 17 00:00:00 2001
From: baabelfish <baabelfish@gmail.com>
Date: Fri, 5 Feb 2016 02:03:04 +0200
Subject: [PATCH] Added indendation

---
 README.md                  | 31 ++++++++++---------
 autoload/features/repl.vim |  0
 autoload/highlighter.vim   |  2 +-
 compiler/nim.vim           |  4 ---
 ftplugin/nim.vim           |  9 +++++-
 indent/nim.vim             | 63 ++++++++++++++++++++++++++++++++++++++
 6 files changed, 88 insertions(+), 21 deletions(-)
 create mode 100644 autoload/features/repl.vim
 delete mode 100644 compiler/nim.vim
 create mode 100644 indent/nim.vim

diff --git a/README.md b/README.md
index 3ac7814..6804dce 100644
--- a/README.md
+++ b/README.md
@@ -5,13 +5,8 @@ Nim support for Neovim
 
 # TODO
 - [x] Add global options for user
-- [ ] Indendation
 
-- [ ] Doc
-    - [ ] Bindings
-    - [ ] Options
-    - [ ] Commands
-    - [ ] Using with other plugins
+- [x] Indendation
 
 - [ ] Syntax
     - [x] Keywords
@@ -21,12 +16,8 @@ Nim support for Neovim
     - [x] Highlight variable names semantically
     - [ ] Multiline comments
 
-- [ ] File based configuration
-    - [ ] Read project file
-    - [ ] Create project file
-
-- [ ] Compiler support
-    - [ ] Make with nim check
+- [x] Compiler support
+    - [x] Make with nim check
 
 - [x] Nimsuggest
     - [x] Usages
@@ -44,9 +35,6 @@ Nim support for Neovim
     - [x] NimRenameSymbol
     - [ ] NimRenameSymbolProject
 
-- [ ] Misc
-    - [ ] Airline integration
-
 - [ ] IDE features
     - [x] Neomake
     - [x] View online documentation
@@ -119,6 +107,19 @@ Nim support for Neovim
         - [ ] NimRenameSymbol
         - [ ] NimRenameSymbolProject
 
+- [ ] Doc
+    - [ ] Bindings
+    - [ ] Options
+    - [ ] Commands
+    - [ ] Using with other plugins
+
+- [ ] File based configuration
+    - [ ] Read project file
+    - [ ] Create project file
+
+- [ ] Misc
+    - [ ] Airline integration
+
 
 # Roadmap
 ## v0.1
diff --git a/autoload/features/repl.vim b/autoload/features/repl.vim
new file mode 100644
index 0000000..e69de29
diff --git a/autoload/highlighter.vim b/autoload/highlighter.vim
index 2c8c902..aefa73d 100644
--- a/autoload/highlighter.vim
+++ b/autoload/highlighter.vim
@@ -86,7 +86,7 @@ function! s:NimHighlighter.on_exit()
 
         if has_key(s:highlights, ctype)
             if has_key(semantics_set, ctype)
-                call add(b:highlights, matchaddpos("Semantic" . util#djb(strpart(str, c - 1, s)) % 20, [[line, c, s]]))
+                call add(b:highlights, matchaddpos("Semantic" . abs(util#djb(strpart(str, c - 1, s))) % 20, [[line, c, s]]))
             else
                 call add(b:highlights, matchaddpos(s:highlights[ctype], [[line, c, s]]))
             endif
diff --git a/compiler/nim.vim b/compiler/nim.vim
deleted file mode 100644
index 632501e..0000000
--- a/compiler/nim.vim
+++ /dev/null
@@ -1,4 +0,0 @@
-if exists("s:loaded")
-    finish
-endif
-let s:loaded = 1
diff --git a/ftplugin/nim.vim b/ftplugin/nim.vim
index c8278db..83c136d 100644
--- a/ftplugin/nim.vim
+++ b/ftplugin/nim.vim
@@ -3,11 +3,18 @@ if exists("b:loaded")
 endif
 let b:loaded = 1
 
+setlocal iskeyword=a-z,A-Z,48-57,128-255,_
 setlocal formatoptions-=t formatoptions+=l
-setlocal comments=s1:#[,mb:#,ex:]#,:#
+setlocal comments=s1:#[,mb:#,ex:]#,:#,:##
 setlocal commentstring=#\ %s
 setlocal expandtab
 setlocal omnifunc=omni#nim
+setlocal makeprg=nim\ c\ --verbosity:0\ --colors:off\ %
+setlocal errorformat=
+            \%-GHint:\ %m,
+            \%A%f(%l\\,\ %c)\ Hint:\ %m,
+            \%E%f(%l\\,\ %c)\ Error:\ %m,
+            \%W%f(%l\\,\ %c)\ Warning:\ %m
 
 command! NimDefinition          :call features#definition#run()
 command! NimInfo                :call features#info#run()
diff --git a/indent/nim.vim b/indent/nim.vim
new file mode 100644
index 0000000..5bde146
--- /dev/null
+++ b/indent/nim.vim
@@ -0,0 +1,63 @@
+" if exists("b:loaded")
+"   finish
+" endif
+" let b:loaded = 1
+
+setlocal nolisp
+setlocal autoindent
+setlocal indentkeys=!^F,o,O,<:>,0),0],0},=elif
+setlocal indentexpr=NimIndent()
+
+function! Down()
+    return indent(prevnonblank(v:lnum - 1)) - &tabstop
+endfunction
+
+function! Up()
+    return (indent(prevnonblank(v:lnum - 1)) + &tabstop)
+endfunction
+
+function! NimIndent()
+    let line = getline(v:lnum)
+    let prev = prevnonblank(v:lnum - 1)
+    let prevempty = getline(v:lnum - 1) =~ '^\s*$'
+    let prev2empty = getline(v:lnum - 2) =~ '^\s*$'
+    let prevl = getline(prev)
+
+    if prev2empty && prevempty
+        return
+    endif
+
+    if prevl =~ '\([:=\[({]\|and\|or\|not\|xor\|shl\|shr\|div\|mod\|in\|notin\|is\|isnot\|of\)\s*$'
+        return Up()
+    endif
+
+    if prevl =~ '\s*\(import\|type\)'
+        return Up()
+    endif
+
+    if prevl =~ '\s*\(const\|var\|let\)\s*$'
+        return Up()
+    endif
+
+    if prevl =~ '\(object\|enum\|object\|concept\|tuple\)\s*$'
+        return Up()
+    endif
+
+    if prevl =~ '^\(const\|var\|let\).*\s*if\s*.*$'
+        return Up()
+    endif
+
+    if prevl =~ ',\s*$'
+        return -1
+    endif
+
+    if prevempty && prevl =~ '\s*\(result\|return\|break\|continue\|raise\)'
+        return Down()
+    endif
+
+    if prevl =~ '[\])}]\s*$'
+        return Down()
+    endif
+
+    return -1
+endfunction