Debugger: Add Number class for expression usage.

- This class abstracts out the underlying type of a value, and handles
  all the basic mathematical logical operators accordingly. Replaces
  the MAPM type previously used for these respective operations.

src/apps/debugger/Jamfile

@@ -219,6 +219,7 @@ Application Debugger :
 
 	# types
 	ArrayIndexPath.cpp
+	Number.cpp
 	TargetAddressRangeList.cpp
 	ValueLocation.cpp
 

src/apps/debugger/types/Number.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2014, Rene Gollent, rene@gollent.com.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef NUMBER_H
+#define NUMBER_H
+
+#include <TypeConstants.h>
+
+#include "Variant.h"
+
+
+class BString;
+
+
+class Number {
+public:
+								Number();
+	virtual						~Number();
+								Number(type_code type, const BString& value);
+								Number(const BVariant& value);
+								Number(const Number& other);
+
+			void				SetTo(type_code type, const BString& value,
+									int32 base = 10);
+			void				SetTo(const BVariant& value);
+
+			Number&				operator=(const Number& rhs);
+			Number&				operator+=(const Number& rhs);
+			Number&				operator-=(const Number& rhs);
+			Number&				operator/=(const Number& rhs);
+			Number&				operator*=(const Number& rhs);
+			Number&				operator%=(const Number& rhs);
+
+			Number&				operator&=(const Number& rhs);
+			Number&				operator|=(const Number& rhs);
+			Number&				operator^=(const Number& rhs);
+
+			Number				operator-() const;
+			Number				operator~() const;
+
+			int					operator<(const Number& rhs) const;
+			int					operator<=(const Number& rhs) const;
+			int					operator>(const Number& rhs) const;
+			int					operator>=(const Number& rhs) const;
+			int					operator==(const Number& rhs) const;
+			int					operator!=(const Number& rhs) const;
+
+			BVariant			GetValue() const;
+
+private:
+	BVariant					fValue;
+};
+
+
+#endif	// NUMBER_H