Lexer partially working

source/node.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "opcodes.h"
+#include "literal.h"
+
+//nodes are the intermediaries between parsers and compilers
+typedef union _node Node;
+
+typedef enum NodeType {
+	NODE_ATOMIC, //a simple value
+	NODE_UNARY, //one child
+	NODE_BINARY, //two children, left and right
+	// NODE_GROUPING,
+} NodeType;
+
+typedef struct NodeAtomic {
+	NodeType type;
+	Literal literal;
+} NodeAtomic;
+
+typedef struct NodeUnary {
+	NodeType type;
+	Node* child;
+} NodeUnary;
+
+typedef struct NodeBinary {
+	NodeType type;
+	Node* left;
+	Node* right;
+} NodeBinary;
+
+union _node {
+	NodeType type;
+	NodeAtomic atomic;
+	NodeUnary unary;
+	NodeBinary binary;
+};
+
+void freeNode(Node* node);
+void emitAtomicLiteral(Node** nodeHandle, Literal literal);
+
+void printNode(Node* node);
+