lang: ast: implement parsing of true/false/null keyword constants

lang/ast/const.c

@@ -0,0 +1,19 @@
+#include "ctx.h"
+#include "node.h"
+
+#include <blue/object/string.h>
+
+struct ast_node_type c_true_node_ops = {
+	.n_state_size = sizeof(struct parser_state),
+	.n_node_size = sizeof(struct ivy_ast_node),
+};
+
+struct ast_node_type c_false_node_ops = {
+	.n_state_size = sizeof(struct parser_state),
+	.n_node_size = sizeof(struct ivy_ast_node),
+};
+
+struct ast_node_type c_null_node_ops = {
+	.n_state_size = sizeof(struct parser_state),
+	.n_node_size = sizeof(struct ivy_ast_node),
+};