add antlr

lib/generated/bfListener.h

@@ -0,0 +1,25 @@
+
+// Generated from /home/atreya/Documents/Projects/Miscellaneous/bfc/grammar/bf.g4 by ANTLR 4.8
+
+#pragma once
+
+
+#include "antlr4-runtime.h"
+#include "bfParser.h"
+
+
+/**
+ * This interface defines an abstract listener for a parse tree produced by bfParser.
+ */
+class  bfListener : public antlr4::tree::ParseTreeListener {
+public:
+
+  virtual void enterProgram(bfParser::ProgramContext *ctx) = 0;
+  virtual void exitProgram(bfParser::ProgramContext *ctx) = 0;
+
+  virtual void enterStatements(bfParser::StatementsContext *ctx) = 0;
+  virtual void exitStatements(bfParser::StatementsContext *ctx) = 0;
+
+
+};
+