6 files changed, 23 insertions, 52 deletions

diff --git a/Circuit.cpp b/Circuit.cpp
index d6a5375..62dfae4 100644
--- a/Circuit.cpp
+++ b/Circuit.cpp
@@ -43,9 +43,8 @@ void Circuit::new_net(string src, vector<string> dests) {
 }
 
 void Circuit::sim() {
-	for (auto & node : nodes) {
+	for (auto & node : nodes)
 		node.second->sim();
-	}
 }
 
 Node * Circuit::find_node(string label) {
diff --git a/GateAnd.h b/GateAnd.h
index 5de827c..2991c1d 100644
--- a/GateAnd.h
+++ b/GateAnd.h
@@ -5,7 +5,6 @@
 class GateAnd : public Node {
 public:
 	GateAnd() = default;
-	GateAnd(const GateAnd * prototype);
 	~GateAnd() = default;
 	virtual GateAnd * clone() const;
 
@@ -17,6 +16,7 @@ protected:
 	using Node::Node;
 
 private:
+	GateAnd(const GateAnd * prototype);
 	constexpr static const char * type = "and";
 	static GateAnd instance;
 };
diff --git a/Net.cpp b/Net.cpp
index 9797796..e423c66 100644
--- a/Net.cpp
+++ b/Net.cpp
@@ -4,6 +4,7 @@
 #include "prut.h"
 
 void Net::setLevel(SignalLevel level){
+	// if (this->level == level) return;
 	this->level = level;
 	this->notify();
 }
diff --git a/Node.h b/Node.h
index 59affcf..110928b 100644
--- a/Node.h
+++ b/Node.h
@@ -31,7 +31,7 @@ protected:
 	vector<Net *> inputs;
 	Net * output = nullptr;
 
-private:
+protected:
 	int min_inputs = -1;
 	int max_inputs = -1;
 };
diff --git a/NodeInput.cpp b/NodeInput.cpp
index 2fae505..6ee0db4 100644
--- a/NodeInput.cpp
+++ b/NodeInput.cpp
@@ -1,25 +1,25 @@
 #include "NodeInput.h"
 #include "prut.h"
 
-
-NodeInput NodeInput::instance(NodeInput::type);
 NodeInputLow NodeInputLow::instance(NodeInputLow::type);
 NodeInputHigh NodeInputHigh::instance(NodeInputHigh::type);
 
-NodeInput::NodeInput(const NodeInput * prototype) : Node() { }
-
-NodeInput * NodeInput::clone() const {
-	return new NodeInput(this);
+NodeInput::NodeInput() {
+	this->max_inputs = -1;
+	this->max_inputs = 0;
 }
 
-SignalLevel NodeInput::level() {
-	prutprint("BaseInput");
-	return UNDEFINED;
+NodeInputLow * NodeInputLow::clone() const {
+	return new NodeInputLow(this);
 }
 SignalLevel NodeInputLow::level() {
 	prutprint("LOW");
 	return LOW;
 }
+
+NodeInputHigh * NodeInputHigh::clone() const {
+	return new NodeInputHigh(this);
+}
 SignalLevel NodeInputHigh::level() {
 	prutprint("HIGH");
 	return HIGH;
diff --git a/NodeInput.h b/NodeInput.h
index 5c13133..f277130 100644
--- a/NodeInput.h
+++ b/NodeInput.h
@@ -6,66 +6,37 @@
 
 class NodeInput : public Node {
 public:
-	NodeInput() = default;
-	NodeInput(const NodeInput * prototype);
+	NodeInput();
 	~NodeInput() = default;
-	virtual NodeInput * clone() const;
 
 protected:
-	SignalLevel level();
-
-private:
-	using Node::Node;
-	constexpr static const char * type = "input";
-	static NodeInput instance;
-
-private:
-	int min_inputs = -1;
-	int max_inputs = 0;
+	NodeInput(const char * type) : Node(type) {}
 };
 
-// class NodeInput : public Node {
-// public:
-// 	using Node::Node;
-// 	NodeInput(const NodeInput * prototype);
-
-// 	virtual NodeInput * clone() const;
-
-// protected:
-// 	SignalLevel level() = 0;
-
-// private:
-// 	NodeInput(const char * type);
-
-// 	SignalLevel input = UNDEFINED;
-// };
-
 class NodeInputLow : public NodeInput {
 protected:
 	SignalLevel level();
+	NodeInputLow(const char * type) : NodeInput(type) {}
+	NodeInputLow * clone() const;
 
 private:
+	NodeInputLow(const NodeInputLow *) : NodeInput() {}
 	using NodeInput::NodeInput;
 	constexpr static const char * type = "input_low";
 	static NodeInputLow instance;
 };
 
 class NodeInputHigh : public NodeInput {
+protected:
+	NodeInputHigh(const char * type) : NodeInput(type) {}
+
 private:
 	SignalLevel level();
+	NodeInputHigh(const NodeInputHigh *) : NodeInput() {}
+	NodeInputHigh * clone() const;
 
 	using NodeInput::NodeInput;
 	constexpr static const char * type = "input_high";
 	static NodeInputHigh instance;
 };
 
-// class NodeInputHigh : public NodeInput {
-// public:
-// 	using NodeInput::NodeInput;
-// 	virtual SignalLevel level();
-
-// private:
-// 	constexpr static const char * type = "input_high";
-// 	static NodeInputHigh instance;
-// };
-