1 files changed, 41 insertions, 5 deletions

diff --git a/value.h b/value.h
index 34484a8..ba1eae1 100644
--- a/value.h
+++ b/value.h
@@ -2,20 +2,56 @@
 #ifndef VALUE_H_
 #define VALUE_H_
 
+#include <string>
+
+#include "register_address.h"
+
 class evaluator;
-class reg;
 
 class value {
+public:
+	virtual value * simplify() = 0;
+	virtual value * clone() = 0;
+	virtual std::string to_string() = 0;
 
-protected:
+};
+
+class tree_value : public value {
+public:
+	tree_value(evaluator *, value * lchild, value * rchild);
+	value * simplify();
+	value * clone();
+	std::string to_string();
+private:
 	evaluator * m_evaluator;
-	value & m_lchild;
-	value & m_rchild;
+	value * m_lchild;
+	value * m_rchild;
+};
+
+class float_value : public value {
+public:
+	float_value();
+	value * simplify();
+	value * clone();
+	std::string to_string();
+
+	void set_value(float value);
+
+	bool m_has_value;
+	float m_value;
 };
 
 class const_value : public value {
+public:
+	const_value(
+		register_address reg,
+		float_value * value);
+	value * simplify();
+	value * clone();
+	std::string to_string();
 private:
-	reg * const_reg;
+	register_address m_reg_address;
+	float_value * m_value;
 };
 
 #endif //VALUE_H_