refactored to correctly use module structure

var_table.go

@@ -1,39 +0,0 @@
-/*   SHS: Syntactically Homogeneous Shell
- *   Copyright (C) 2019  Aidan Hahn
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
- *
- *   You should have received a copy of the GNU General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package shs
-
-type VarTable map[string]*Token
-
-var (
-    GlobalVarTable *VarTable
-)
-
-// Library represents variables defined in inner scope
-// It is assumed library is ordered from innermost scope to outermost scope
-func GetVar(arg string, library []VarTable) *Token {
-    for scope, dict := range library {
-        val, ok := dict[arg]
-        if ok {
-            scope = scope // TEMP LINE
-            // TODO: maybe log which scope it was found in?
-            return val
-        }
-    }
-
-    return nil
-}