From f02eee6fd65e352c3fdc16b51aa7f99c2c63482d Mon Sep 17 00:00:00 2001
From: Maël Gassmann <mael.gassmann@students.bfh.ch>
Date: Fri, 11 Jun 2021 22:30:14 +0200
Subject: [+] Added basic structure for the javacc-calculator

---
 calculator-javacc/.gitignore    |  4 ++++
 calculator-javacc/Calculator.jj | 35 +++++++++++++++++++++++++++++++++++
 calculator-javacc/compileRun.sh |  2 ++
 3 files changed, 41 insertions(+)
 create mode 100644 calculator-javacc/.gitignore
 create mode 100644 calculator-javacc/Calculator.jj
 create mode 100755 calculator-javacc/compileRun.sh

diff --git a/calculator-javacc/.gitignore b/calculator-javacc/.gitignore
new file mode 100644
index 0000000..0e5a09f
--- /dev/null
+++ b/calculator-javacc/.gitignore
@@ -0,0 +1,4 @@
+calculator-javacc.iml
+.idea/
+*.java
+*.class
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
diff --git a/calculator-javacc/compileRun.sh b/calculator-javacc/compileRun.sh
new file mode 100755
index 0000000..555604e
--- /dev/null
+++ b/calculator-javacc/compileRun.sh
@@ -0,0 +1,2 @@
+#/bin/sh
+javacc Calculator.jj && javac *.java && clear && java Calculator
-- 
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