[+] Added StatementParser, [~] Restructured the Parsers

1 files changed, 7 insertions, 2 deletions

diff --git a/calculator-java/src/main/java/ch/bfh/parser/Parser.java b/calculator-java/src/main/java/ch/bfh/parser/Parser.java
index 9e048a6..333b942 100644
--- a/calculator-java/src/main/java/ch/bfh/parser/Parser.java
+++ b/calculator-java/src/main/java/ch/bfh/parser/Parser.java
@@ -3,12 +3,17 @@ package ch.bfh.parser;
 import ch.bfh.CalculatorLexer;
 import ch.bfh.Token;
 
+import java.util.HashMap;
+import java.util.Map;
+
 abstract class Parser{
+
+    protected static Map<String, ExpressionParser> variables = new HashMap<>(); //'Persisted' Expressions when 'let' token was specified
+
     protected CalculatorLexer cl;
     protected Token lastToken;
     protected double value;
 
     protected abstract void parse();
     public abstract double getValue();
-}
-
+}
\ No newline at end of file