Some work on Expressions

inc/AST/ConstantExpression.h

@@ -0,0 +1,19 @@
+#ifndef CONSTANTEXPRESSION_H
+#define CONSTANTEXPRESSION_H
+
+#include "AST/Expression.h"
+#include <string>
+
+class ConstantExpression : public Expression {
+public:
+	ConstantExpression(std::string value);
+	virtual ~ConstantExpression();
+
+	virtual void accept(ASTVisitor* visitor);
+
+	std::string getValue();
+private:
+	std::string value_;
+};
+
+#endif // CONSTANTEXPRESSION_H