fix runtime errors

Author: sumneko

script/core/definition.lua

@@ -134,6 +134,9 @@ return function (uri, offset)
     local defs = vm.getDefs(source)
 
     for _, src in ipairs(defs) do
+        if src.type == 'global' then
+            goto CONTINUE
+        end
         local root = guide.getRoot(src)
         if not root then
             goto CONTINUE

script/core/hover/init.lua

@@ -58,6 +58,9 @@ local function getHover(source)
     else
         addHover(source, true, oop)
         for _, def in ipairs(vm.getDefs(source)) do
+            if def.type == 'global' then
+                goto CONTINUE
+            end
             if guide.isOOP(def) then
                 oop = true
             end
@@ -67,6 +70,7 @@ local function getHover(source)
                 isFunction = true
             end
             addHover(def, isFunction, oop)
+            ::CONTINUE::
         end
     end