added support for compiler-assisted "go to definition" and omnicompletion

compiler/nimrod.vim

@@ -18,29 +18,6 @@ CompilerSet errorformat=
   \%E%f(%l\\,\ %c)\ Error:\ %m,
   \%W%f(%l\\,\ %c)\ Hint:\ %m
 
-" Syntastic syntax checking
-function! SyntaxCheckers_nimrod_GetLocList()
-  let save_cur = getpos('.')
-  call cursor(0, 0, 0)
-  
-  let PATTERN = "\\v^\\#\\s*included from \\zs.*\\ze"
-  let l = search(PATTERN, "n")
-
-  if l != 0
-    let f = matchstr(getline(l), PATTERN)
-    let l:to_check = expand('%:h') . "/" . f
-  else
-    let l:to_check = expand("%")
-  endif
-
-  call setpos('.', save_cur)
-
-  let makeprg = 'nimrod check ' . l:to_check
-  let errorformat = &errorformat
-  
-  return SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
-endfunction
-
 let &cpo = s:cpo_save
 unlet s:cpo_save
 

ftdetect/nimrod.vim

@@ -1,2 +1,2 @@
-au BufNewFile,BufRead *.nim       set filetype=nimrod
+au BufNewFile,BufRead *.nim set filetype=nimrod
 

ftplugin/nimrod.vim

@@ -1,18 +1,12 @@
-if (exists("b:did_ftplugin"))
+if exists("b:nimrod_loaded")
   finish
 endif
 
-let b:did_ftplugin = 1
+let b:nimrod_loaded = 1
 
 let s:cpo_save = &cpo
 set cpo&vim
 
-setlocal formatoptions-=t formatoptions+=croql
-setlocal comments=:#
-setlocal commentstring=#\ %s
-
-compiler nimrod
-
 if executable('nimrod')
   let nimrod_paths = split(system('nimrod dump'),'\n')
   let &l:tags = &g:tags
@@ -24,6 +18,91 @@ if executable('nimrod')
   endfor
 endif
 
+fun! CurrentNimrodFile()
+  let save_cur = getpos('.')
+  call cursor(0, 0, 0)
+  
+  let PATTERN = "\\v^\\#\\s*included from \\zs.*\\ze"
+  let l = search(PATTERN, "n")
+
+  if l != 0
+    let f = matchstr(getline(l), PATTERN)
+    let l:to_check = expand('%:h') . "/" . f
+  else
+    let l:to_check = expand("%")
+  endif
+
+  call setpos('.', save_cur)
+  return l:to_check
+endf
+
+fun! NimComplete(findstart, base)
+  if a:findstart
+    if synIDattr(synIDtrans(synID(line("."),col("."),1)), "name") == 'Comment'
+      return -1
+    endif
+    return col('.')
+  else
+    let result = []
+    let cmd = printf("nimrod idetools --suggest --track:\"%s,%d,%d\" \"%s\"",
+                   \ expand('%:p'), line('.'), col('.'), CurrentNimrodFile())
+
+    let sugOut = system(cmd)
+    for line in split(sugOut, '\n')
+      let lineData = split(line, '\t')
+      if lineData[0] == "sug"
+        let c = { 'word': lineData[2], 'info': lineData[3] }
+        call add(result, c)
+      endif
+    endfor
+    return result
+  endif
+endf
+
+if !exists("g:neocomplcache_omni_patterns")
+  let g:neocomplcache_omni_patterns = {}
+endif
+
+let g:neocomplcache_omni_patterns['nimrod'] = '[^. *\t]\.\w*\'
+
+fun! GotoDefinition_nimrod()
+  let cmd = printf("nimrod idetools --def --track:\"%s,%d,%d\" \"%s\"",
+                   \ expand('%:p'), line('.'), col('.'), CurrentNimrodFile())
+
+  let defOut = system(cmd)
+  if v:shell_error
+    echoerr "error executing nimrod. exit code: " . v:shell_error
+    echoerr defOut
+    return 0
+  endif
+  
+  let rawDef = matchstr(defOut, 'def\t\([^\n]*\)')
+  if rawDef == ""
+    echo "nimrod was unable to locate the definition"
+    return 0
+  endif
+  
+  let defBits = split(rawDef, '\t')
+  let file = defBits[4]
+  let line = defBits[5]
+  exe printf("e +%d %s", line, file)
+  return 1
+endf
+
+" Syntastic syntax checking
+fun! SyntaxCheckers_nimrod_GetLocList()
+  let makeprg = 'nimrod check ' . CurrentNimrodFile()
+  let errorformat = &errorformat
+  
+  return SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
+endf
+
+setlocal formatoptions-=t formatoptions+=croql
+setlocal comments=:#
+setlocal commentstring=#\ %s
+setlocal omnifunc=NimComplete
+compiler nimrod
+
 let &cpo = s:cpo_save
 unlet s:cpo_save