Lexer partially working

source/node.c

@@ -0,0 +1,53 @@
+#include "node.h"
+
+#include "memory.h"
+
+#include <stdio.h>
+
+void freeNode(Node* node) {
+	switch(node->type) {
+		case NODE_ATOMIC:
+			freeLiteral(node->atomic.literal);
+			break;
+
+		case NODE_UNARY:
+			freeNode(node->unary.child);
+			break;
+
+		case NODE_BINARY:
+			freeNode(node->binary.left);
+			freeNode(node->binary.right);
+			break;
+	}
+
+	FREE(Node, node);
+}
+
+void emitAtomicLiteral(Node** nodeHandle, Literal literal) {
+	//allocate a new node
+	*nodeHandle = ALLOCATE(Node, 1);
+
+	(*nodeHandle)->type = NODE_ATOMIC;
+	(*nodeHandle)->atomic.literal = literal;
+}
+
+void printNode(Node* node) {
+	switch(node->type) {
+		case NODE_ATOMIC:
+			printf("atomic:");
+			printLiteral(node->atomic.literal);
+			break;
+		
+		case NODE_UNARY:
+			printf("unary:");
+			printNode(node->unary.child);
+			break;
+
+		case NODE_BINARY:
+			printf("binary left:");
+			printNode(node->binary.left);
+			printf("binary right:");
+			printNode(node->binary.right);
+			break;
+	}
+}