1 files changed, 41 insertions, 0 deletions
diff --git a/module/sexprs.m b/module/sexprs.m
new file mode 100644
index 00000000..63053d2e
--- /dev/null
+++ b/module/sexprs.m
@@ -0,0 +1,41 @@
+Sexprs: module
+{
+	PATH:	con "/dis/lib/sexprs.dis";
+
+	Sexp: adt {
+		pick {
+		String =>
+			s: string;
+			hint:	string;
+		Binary =>
+			data:	array of byte;
+			hint: string;
+		List =>
+			l:	cyclic list of ref Sexp;
+		}
+
+		read:	fn[T](b: T): (ref Sexp, string) for {
+				T =>
+					getb:	fn(nil: self T): int;
+					ungetb:	fn(nil: self T): int;
+					offset:	fn(nil: self T): big;
+				};
+		parse:	fn(s: string): (ref Sexp, string, string);
+		unpack:	fn(a: array of byte): (ref Sexp, array of byte, string);
+		text:	fn(e: self ref Sexp): string;
+		packedsize:	fn(e: self ref Sexp): int;
+		pack:	fn(e: self ref Sexp): array of byte;
+		b64text:	fn(e: self ref Sexp): string;
+
+		islist:	fn(e: self ref Sexp): int;
+		els:	fn(e: self ref Sexp): list of ref Sexp;
+		op:	fn(e: self ref Sexp): string;
+		args:	fn(e: self ref Sexp): list of ref Sexp;
+		eq:	fn(e: self ref Sexp, t: ref Sexp): int;
+		copy:	fn(e: self ref Sexp): ref Sexp;
+		asdata:	fn(e: self ref Sexp): array of byte;
+		astext:	fn(e: self ref Sexp): string;
+	};
+
+	init:	fn();
+};