diff --git a/CMakeLists.txt b/CMakeLists.txt
index 26a1ad2..0ce7658 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -85,6 +85,7 @@ SET(SCULLY_SOURCE
 	src/AST/VariableDefinition.cpp
 	src/AST/ValueList.cpp
 	src/AST/LoadExpression.cpp
+	src/AST/BinOp.cpp
 
 
 	${CMAKE_CURRENT_BINARY_DIR}/grammar.cpp
diff --git a/grammar/grammar.y b/grammar/grammar.y
index f36b954..0f6d787 100644
--- a/grammar/grammar.y
+++ b/grammar/grammar.y
@@ -96,12 +96,12 @@ statements(A) ::= statements(B) statement(C).		{ B->addStatement(C); A = B; }
 %type expr {Expression*}
 expr(A) ::= T_IDENTIFIER(ID).						{ A = new LoadExpression(ID->getText()); }
 expr(A) ::= T_IDENTIFIER(ID) T_ASSIGN expr(E).		{ A = new AssignmentExpression(ID->getText(), E); }
-expr(A) ::= expr(B) T_EQUALS expr(C).				{ A = new BinOpExpression(B, OP_EQUALS, C); }
-expr(A) ::= expr(B) T_LESS expr(C).					{ A = new BinOpExpression(B, OP_LESS, C); }
-expr(A) ::= expr(B) T_PLUS expr(C).					{ A = new BinOpExpression(B, OP_PLUS, C); }
-expr(A) ::= expr(B) T_MINUS expr(C).				{ A = new BinOpExpression(B, OP_MINUS, C); }
-expr(A) ::= expr(B) T_TIMES expr(C).				{ A = new BinOpExpression(B, OP_TIMES, C); }
-expr(A) ::= expr(B) T_DIV expr(C).					{ A = new BinOpExpression(B, OP_DIV, C); }
+expr(A) ::= expr(B) T_EQUALS expr(C).				{ A = new BinOpExpression(B, BinOp::EQUALS, C); }
+expr(A) ::= expr(B) T_LESS expr(C).					{ A = new BinOpExpression(B, BinOp::LESS, C); }
+expr(A) ::= expr(B) T_PLUS expr(C).					{ A = new BinOpExpression(B, BinOp::PLUS, C); }
+expr(A) ::= expr(B) T_MINUS expr(C).				{ A = new BinOpExpression(B, BinOp::MINUS, C); }
+expr(A) ::= expr(B) T_TIMES expr(C).				{ A = new BinOpExpression(B, BinOp::TIMES, C); }
+expr(A) ::= expr(B) T_DIV expr(C).					{ A = new BinOpExpression(B, BinOp::DIV, C); }
 expr(A) ::= T_CINT(I).								{ A = new ConstantExpression(I->getText()); }
 expr(A) ::= T_TRUE.									{ A = new ConstantExpression("true"); }
 expr(A) ::= T_FALSE.								{ A = new ConstantExpression("false"); }
diff --git a/inc/AST/BinOp.h b/inc/AST/BinOp.h
new file mode 100644
index 0000000..80b9974
--- /dev/null
+++ b/inc/AST/BinOp.h
@@ -0,0 +1,17 @@
+#ifndef BINOP_H
+#define BINOP_H
+
+#include <string>
+
+enum class BinOp {
+	EQUALS,
+	LESS,
+	PLUS,
+	MINUS,
+	TIMES,
+	DIV
+};
+
+std::string binOpToString(BinOp op);
+
+#endif // BINOP_H
diff --git a/inc/AST/BinOpExpression.h b/inc/AST/BinOpExpression.h
index 779c030..c480e93 100644
--- a/inc/AST/BinOpExpression.h
+++ b/inc/AST/BinOpExpression.h
@@ -1,20 +1,12 @@
-#ifndef BINOP_H
-#define BINOP_H
+#ifndef BINOPEXPRESSION_H
+#define BINOPEXPRESSION_H
 
 #include "AST/Expression.h"
-
-enum BinOp {
-	OP_EQUALS,
-	OP_LESS,
-	OP_PLUS,
-	OP_MINUS,
-	OP_TIMES,
-	OP_DIV
-};
+#include "AST/BinOp.h"
 
 class BinOpExpression : public Expression {
 public:
-	BinOpExpression(Expression* leftExp ,BinOp op, Expression* rightExp);
+	BinOpExpression(Expression* leftExp, BinOp op, Expression* rightExp);
     virtual ~BinOpExpression();
 
 	BinOp getOp();
@@ -31,4 +23,4 @@ private:
 
 };
 
-#endif // BINOP_H
+#endif // BINOPEXPRESSION_H
diff --git a/src/AST/BinOp.cpp b/src/AST/BinOp.cpp
new file mode 100644
index 0000000..522ac5b
--- /dev/null
+++ b/src/AST/BinOp.cpp
@@ -0,0 +1,20 @@
+#include "AST/BinOp.h"
+
+std::string binOpToString(BinOp op) {
+	switch (op) {
+	case BinOp::DIV:
+		return "/";
+	case BinOp::EQUALS:
+		return "==";
+	case BinOp::LESS:
+		return "<";
+	case BinOp::MINUS:
+		return "-";
+	case BinOp::PLUS:
+		return "+";
+	case BinOp::TIMES:
+		return "*";
+	default:
+		return "Unknown Op";
+	}
+}
diff --git a/src/AST/CodeGenVisitor.cpp b/src/AST/CodeGenVisitor.cpp
index 3dffdce..bcfc3b0 100644
--- a/src/AST/CodeGenVisitor.cpp
+++ b/src/AST/CodeGenVisitor.cpp
@@ -25,19 +25,19 @@ void CodeGenVisitor::visit(BinOpExpression* e) {
 	}
 
 	switch (e->getOp()) {
-	case OP_PLUS:
+	case BinOp::PLUS:
 	value_ = builder_->CreateAdd(lhs, rhs, "addtmp");
 		break;
-	case OP_MINUS:
+	case BinOp::MINUS:
 		value_ = builder_->CreateSub(lhs, rhs, "subtmp");
 		break;
-	case OP_TIMES:
+	case BinOp::TIMES:
 		value_ = builder_->CreateMul(lhs, rhs, "multmp");
 		break;
-	case OP_DIV:
+	case BinOp::DIV:
 		value_ = builder_->CreateSDiv(lhs, rhs, "divtmp");
 		break;
-	case OP_EQUALS:
+	case BinOp::EQUALS:
 		value_ = builder_->CreateICmpEQ(lhs, rhs, "eqtmp");
 		break;
 	default:
diff --git a/src/AST/PrintVisitor.cpp b/src/AST/PrintVisitor.cpp
index a7ff4d2..be6bd01 100644
--- a/src/AST/PrintVisitor.cpp
+++ b/src/AST/PrintVisitor.cpp
@@ -25,33 +25,7 @@ void PrintVisitor::visit(BinOpExpression* e) {
 	println("BinOpExpression");
 	level_++;
 	std::stringstream ss;
-	std::string opStr;
-	switch (e->getOp()) {
-	case OP_DIV:
-		opStr = "/";
-		break;
-	case OP_EQUALS:
-		opStr = "==";
-		break;
-	case OP_LESS:
-		opStr = "<";
-		break;
-	case OP_MINUS:
-		opStr = "-";
-		break;
-	case OP_PLUS:
-		opStr = "+";
-		break;
-	case OP_TIMES:
-		opStr = "*";
-		break;
-	default:
-		opStr = "Unknown Op";
-		break;
-	}
-
-
-	ss << "Operator: " << opStr;
+	ss << "Operator: " << binOpToString(e->getOp());
 	println(ss.str());
 	println("LHS:");
 	e->getLeftExp()->accept(this);