Cleanup of unnecessary parens in generated lua code for math operations.

core/operators.nom

@@ -132,11 +132,6 @@ immediately
 
 immediately
     # Math Operators
-    compile [%x + %y] to: Lua value "(\(%x as lua expr) + \(%y as lua expr))"
-    compile [%x - %y] to: Lua value "(\(%x as lua expr) - \(%y as lua expr))"
-    compile [%x * %y] to: Lua value "(\(%x as lua expr) * \(%y as lua expr))"
-    compile [%x / %y] to: Lua value "(\(%x as lua expr) / \(%y as lua expr))"
-    compile [%x ^ %y] to: Lua value "(\(%x as lua expr) ^ \(%y as lua expr))"
     compile [%x wrapped around %y, %x mod %y] to: Lua value "(\(%x as lua expr) % \(%y as lua expr))"
 
     # 3-part chained comparisons

nomsu_tree.lua

@@ -203,13 +203,15 @@ Tree("Action", {
             local src = tok.source:get_text()
             error("non-expression value inside math expression: " .. tostring(colored.yellow(src)))
           end
+          if tok.type == "Action" then
+            tok_lua:parenthesize()
+          end
           lua:append(tok_lua)
         end
         if i < #self.value then
           lua:append(" ")
         end
       end
-      lua:parenthesize()
       return lua
     end
     local args = { }

nomsu_tree.moon

@@ -132,10 +132,11 @@ Tree "Action",
                     unless tok_lua.is_value
                         src = tok.source\get_text!
                         error("non-expression value inside math expression: #{colored.yellow src}")
+                    if tok.type == "Action"
+                        tok_lua\parenthesize!
                     lua\append tok_lua
                 if i < #@value
                     lua\append " "
-            lua\parenthesize!
             return lua
 
         args = {}