Implement part of the AST structure

src/ast/nodes/RegNode.cpp

@@ -0,0 +1,15 @@
+//
+// Created by christoph on 21.03.23.
+//
+
+#include "RegNode.h"
+
+RegNode::RegNode(uint8_t reg) : reg(reg) {}
+
+auto RegNode::compile() const -> uint8_t {
+    if (reg > 0b110) {
+        throw "Compile Error: Invalid Register!";
+    }
+
+    return reg;
+}

src/ast/nodes/RegNode.h

@@ -0,0 +1,22 @@
+//
+// Created by christoph on 21.03.23.
+//
+
+#ifndef LOGISIMASSEMBLER_REGNODE_H
+#define LOGISIMASSEMBLER_REGNODE_H
+
+#include "../Node.h"
+
+class RegNode : public Node {
+public:
+    RegNode(uint8_t reg);
+
+    ~RegNode() override = default;
+
+    [[nodiscard]] auto compile() const -> uint8_t override;
+
+private:
+    uint8_t reg;
+};
+
+#endif //LOGISIMASSEMBLER_REGNODE_H

src/ast/nodes/RootNode.cpp

@@ -0,0 +1,9 @@
+//
+// Created by christoph on 21.03.23.
+//
+
+#include "RootNode.h"
+
+auto RootNode::compile() const -> uint8_t {
+    return 0;
+}

src/ast/nodes/RootNode.h

@@ -0,0 +1,19 @@
+//
+// Created by christoph on 21.03.23.
+//
+
+#ifndef LOGISIMASSEMBLER_ROOTNODE_H
+#define LOGISIMASSEMBLER_ROOTNODE_H
+
+#include "../Node.h"
+
+class RootNode : public Node {
+public:
+    RootNode() = default;
+
+    ~RootNode() override = default;
+
+    [[nodiscard]] auto compile() const -> uint8_t override;
+};
+
+#endif //LOGISIMASSEMBLER_ROOTNODE_H