1 files changed, 35 insertions, 0 deletions
diff --git a/calculator-javacc/Calculator.jj b/calculator-javacc/Calculator.jj
new file mode 100644
index 0000000..6cc78f5
--- /dev/null
+++ b/calculator-javacc/Calculator.jj
@@ -0,0 +1,35 @@
+options{DEBUG_PARSER = true; DEBUG_TOKEN_MANAGER = true;}
+
+PARSER_BEGIN(Calculator)
+public class Calculator {
+	public static void main(String[] args) {
+		try{
+		    Calculator parser = new Calculator(System.in);
+			parser.Start();
+		}catch (ParseException e){
+			System.out.println(e.getMessage());
+		}
+	}
+}
+PARSER_END(Calculator)
+
+/**
+* For now only using the Hello World grammar
+*/
+
+SKIP : {
+    " "|"\t"|"\n"|"\r"
+}
+
+TOKEN : {
+	<SPACE: " "|"\t">|
+	<HELLO: "hello">|
+	<WORLD: "world">|
+	<HELLOWORLD: <HELLO> ( <SPACE> ) + <WORLD>>
+}
+
+void Start() : {
+}
+{
+	(<HELLOWORLD>)* <EOF>
+}
+\ No newline at end of file