lang: ast: define ast_node_type for some fundamental expression components

lang/ast/op.c

@@ -0,0 +1,32 @@
+#include "ctx.h"
+#include "node.h"
+#include "iterate.h"
+#include <stdio.h>
+
+static void print(struct ivy_ast_node *node)
+{
+	struct ivy_ast_op_node *op = (struct ivy_ast_op_node *)node;
+
+	printf("%s (%s)\n", ivy_ast_node_type_to_string(node->n_type), ivy_operator_id_to_string(op->n_op->op_id));
+}
+
+static void collect_children(
+	struct ivy_ast_node *node, struct ivy_ast_node_iterator *iterator)
+{
+	struct ivy_ast_op_node *op = (struct ivy_ast_op_node *)node;
+
+	if (op->n_left) {
+		ast_node_iterator_enqueue_node(iterator, node, op->n_left);
+	}
+
+	if (op->n_right) {
+		ast_node_iterator_enqueue_node(iterator, node, op->n_right);
+	}
+}
+
+struct ast_node_type op_node_ops = {
+	.n_print = print,
+	.n_collect_children = collect_children,
+        .n_state_size = sizeof(struct parser_state),
+        .n_node_size = sizeof(struct ivy_ast_op_node),
+};