From 68a2ebd34fc94488e89ffb82b359ec6e7e152ae9 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Thu, 8 Jul 2021 00:14:31 -0700
Subject: Restructure project to make room for clox

---
 src/com/craftinginterpreters/lox/Environment.java | 63 -----------------------
 1 file changed, 63 deletions(-)
 delete mode 100644 src/com/craftinginterpreters/lox/Environment.java

(limited to 'src/com/craftinginterpreters/lox/Environment.java')

diff --git a/src/com/craftinginterpreters/lox/Environment.java b/src/com/craftinginterpreters/lox/Environment.java
deleted file mode 100644
index 407b9b3..0000000
--- a/src/com/craftinginterpreters/lox/Environment.java
+++ /dev/null
@@ -1,63 +0,0 @@
-package com.craftinginterpreters.lox;
-
-import java.util.HashMap;
-import java.util.Map;
-
-class Environment {
-    final Environment enclosing;
-    private final Map<String, Object> values = new HashMap<>();
-
-    Environment() {
-        enclosing = null;
-    }
-
-    Environment(Environment enclosing) {
-        this.enclosing = enclosing;
-    }
-
-    Object get(Token name) {
-        if (values.containsKey(name.lexeme)) {
-            return values.get(name.lexeme);
-        }
-
-        if (enclosing != null)
-            return enclosing.get(name);
-
-        throw new RuntimeError(name, "Undefined variable '" + name.lexeme + "'.");
-    }
-
-    void assign(Token name, Object value) {
-        if (values.containsKey(name.lexeme)) {
-            values.put(name.lexeme, value);
-            return;
-        }
-
-        if (enclosing != null) {
-            enclosing.assign(name, value);
-            return;
-        }
-
-        throw new RuntimeError(name, "Undefined variable '" + name.lexeme + "'.");
-    }
-
-    void define(String name, Object value) {
-        values.put(name, value);
-    }
-
-    Environment ancestor(int distance) {
-        Environment environment = this;
-        for (int i = 0; i < distance; i++) {
-            environment = environment.enclosing;
-        }
-
-        return environment;
-    }
-
-    Object getAt(int distance, String name) {
-        return ancestor(distance).values.get(name);
-    }
-
-    void assignAt(int distance, Token name, Object value) {
-        ancestor(distance).values.put(name.lexeme, value);
-    }
-}
-- 
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