1 files changed, 41 insertions, 0 deletions
diff --git a/src/term.c b/src/term.c
new file mode 100644
index 0000000..f93a50c
--- /dev/null
+++ b/src/term.c
@@ -0,0 +1,41 @@
+// Copyright (c) 2024, Marvin Borner <dev@marvinborner.de>
+// SPDX-License-Identifier: MIT
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <term.h>
+#include <log.h>
+
+struct term *new_term(term_type type)
+{
+	struct term *term = malloc(sizeof(*term));
+	if (!term)
+		fatal("out of memory!\n");
+	term->type = type;
+	return term;
+}
+
+void free_term(struct term *term)
+{
+	switch (term->type) {
+	case ABS:
+		free_term(term->u.abs.term);
+		free(term);
+		break;
+	case APP:
+		free_term(term->u.app.lhs);
+		free_term(term->u.app.rhs);
+		free(term);
+		break;
+	case VAR:
+		free(term);
+		break;
+	case REF:
+		free(term);
+		break;
+	default:
+		fatal("invalid type %d\n", term->type);
+	}
+}