Logic/Concepts.h: Add combinational logic expr classes

smocore/include/logic.h

@@ -0,0 +1,65 @@
+#ifndef _LOGIC_H
+#define _LOGIC_H
+
+#include <memory>
+#include <vector>
+
+namespace smo {
+namespace logic {
+
+class ExpressionPart
+{
+};
+
+class Operator
+:	public ExpressionPart
+{
+};
+
+class OperatorAnd
+: public Operator
+{
+};
+
+class OperatorOr
+: public Operator
+{
+};
+
+class OperatorNot
+: public Operator
+{
+};
+
+class Operand
+:	public ExpressionPart
+{
+};
+
+class UnaryExpression
+:	public ExpressionPart
+{
+public:
+	UnaryExpression(Operator &op, std::shared_ptr<Operand> &operand)
+	:	parts(std::make_pair(op, operand))
+	{}
+public:
+	std::pair<Operator, std::shared_ptr<Operand>> parts;
+};
+
+// Expressions can be chained as parts of a larger expression
+class Expression
+:	public ExpressionPart
+{
+public:
+	// This will eventually take in some data to be evaluated for a match.
+	virtual bool evaluate(void) = 0;
+
+public:
+	std::vector<std::shared_ptr<ExpressionPart>> parts;
+};
+
+} // namespace logic
+} // namespace smo
+
+#endif