tweak findVar output;use colSpans in vim binding

estr.js

@@ -104,10 +104,10 @@ switch (process.argv.shift()) {
           console.log(scope.type,scope.loc);
 
           console.log('binding occurrence: ');
-          console.log(file,binding[1],binding[0].loc.start);
+          console.log(file+' '+binding[1]+' '+locColSpan(binding[0].loc));
           console.log('other occurrences: ');
           binding[0].occurrences.forEach(function(o){
-                                          console.log(file,o.name,o.loc.start)
+                                          console.log(file+' '+o.name+' '+locColSpan(o.loc))
                                          });
 
         } else if (results[0].parseError) {
@@ -215,6 +215,11 @@ function processJSfiles(paths,action) {
   return results;
 }
 
+function locColSpan(loc) {
+ return '{ line: '+loc.start.line
+       +', column: '+loc.start.column+'-'+loc.end.column+'}'
+}
+
 function exitCode(code) {
   process.on('exit',function(){process.exit(1)});
 }

tests/out/findVar.stdout

@@ -1,6 +1,6 @@
 binding scope: 
 FunctionDeclaration { start: { line: 3, column: 0 }, end: { line: 33, column: 1 } }
 binding occurrence: 
-sample.js VariableDeclarator { line: 15, column: 6 }
+sample.js VariableDeclarator { line: 15, column: 6-7}
 other occurrences: 
-sample.js z { line: 6, column: 20 }
+sample.js z { line: 6, column: 20-21}

vimfiles/ftplugin/javascript-estr.vim

@@ -35,8 +35,19 @@ function! FindVar()
   let output  = system("node ".s:estr." ".command)
   let occurrences = substitute(output,".*binding occurrence","binding occurrence","")
   let s:efm = &efm
-  set efm=%-Ibinding\ occurrence:\ ,%-Iother\ occurrences:\ ,%f\ %.%#\ {\ line:\ %l\\,\ column:\ %c\ %.%#
+  set efm=%-Ibinding\ occurrence:\ ,%-Iother\ occurrences:\ ,%f\ %.%#\ {\ line:\ %l\\,\ column:\ %c-%m
   lexpr occurrences
+  let loclist = getloclist(0)
+  let pattern = []
+  for loc in loclist
+    let loc.col  = loc.col+1
+    let loc.text = substitute(loc.text,'\(%d+\)}','\1','')+1
+    let pattern += ["\\%".(loc.lnum)."l\\%>".(loc.col-1)."c\\i\\+\\%<".(loc.text+1)."c"]
+  endfor
+  set hlsearch
+  let @/ = join(pattern,'\|')
+  call search(@/)
+  call setloclist(0,loclist)
   let &efm = s:efm
 endfunction