From 74c5732bded6695eed3aabf125a888fbdf206a40 Mon Sep 17 00:00:00 2001 From: AidenRushbrooke <72034940+AidenRushbrooke@users.noreply.github.com> Date: Mon, 25 Oct 2021 16:55:22 +0100 Subject: Interpreter capable of handing variables --- code/Interpreter/Environment.java | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 code/Interpreter/Environment.java (limited to 'code/Interpreter/Environment.java') diff --git a/code/Interpreter/Environment.java b/code/Interpreter/Environment.java new file mode 100644 index 0000000..d191bde --- /dev/null +++ b/code/Interpreter/Environment.java @@ -0,0 +1,30 @@ +package Interpreter; + +import java.util.HashMap; +import java.util.Map; + +public class Environment { + private final Map variableMap = new HashMap<>(); + + //Maybe check if variable is already defined? + public void defineVariable(String name,Object value){ + variableMap.put(name, value); + } + + public Object getVariable(String name){ + if(variableMap.containsKey(name)){ + return variableMap.get(name); + } + Language.displayError("Undefined Variable"); + throw new Error(); + } + + public void assignVariable(String name,Object value){ + if(variableMap.containsKey(name)){ + variableMap.put(name, value); + return; + } + Language.displayError("Variable undefined"); + throw new Error(); + } +} -- cgit v1.2.3