diff options
Diffstat (limited to 'code/Interpreter/Environment.java')
-rw-r--r-- | code/Interpreter/Environment.java | 30 |
1 files changed, 30 insertions, 0 deletions
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<String,Object> 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(); + } +} |