1 files changed, 88 insertions, 0 deletions
diff --git a/module/fslib.m b/module/fslib.m
new file mode 100644
index 00000000..79d90112
--- /dev/null
+++ b/module/fslib.m
@@ -0,0 +1,88 @@
+Fslib: module {
+	PATH: con "/dis/lib/fslib.dis";
+	Value: adt {
+		x:	fn(v: self ref Value): ref Value.X;
+		p:	fn(v: self ref Value): ref Value.P;
+		s:	fn(v: self ref Value): ref Value.S;
+		c:	fn(v: self ref Value): ref Value.C;
+		t:	fn(v: self ref Value): ref Value.T;
+		v:	fn(v: self ref Value): ref Value.V;
+		m:	fn(v: self ref Value): ref Value.M;
+		typec: fn(v: self ref Value): int;
+		discard: fn(v: self ref Value);
+		pick {
+		X =>
+			i: Fschan;
+		T =>
+			i: Entrychan;
+		P =>
+			i: Gatechan;
+		C =>
+			i: ref Sh->Cmd;
+		S =>
+			i: string;
+		V =>
+			i: chan of int;		# sync channel for void-valued processes
+		M =>
+			i: Cmpchan;
+		}
+	};
+	init:			fn();
+	typecompat:	fn(t, act: string): int;
+	sendnulldir:	fn(c: Fschan): int;
+	quit:			fn(errorc: chan of string);
+	report:		fn(errorc: chan of string, err: string);
+	copy:		fn(src, dst: Fschan): int;
+
+	cmdusage:	fn(cmd, t: string): string;
+	type2s:		fn(t: int): string;
+	opttypes:		fn(opt: int, opts: string): (int, string);
+	splittype:		fn(t: string): (int, string, string);
+
+	Report: adt {
+
+		reportc: chan of string;
+		startc: chan of (string, chan of string);
+		enablec: chan of int;
+	
+		new:		fn(): ref Report;
+		enable:	fn(r: self ref Report);
+		start:		fn(r: self ref Report, name: string): chan of string;
+	};
+	Option: adt {
+		opt: int;
+		args: list of ref Value;
+	};
+	Entrychan: adt {
+		sync: chan of int;
+		c: chan of Entry;
+	};
+	Cmpchan: type chan of (ref Sys->Dir, ref Sys->Dir, chan of int);
+	Entry: type (ref Sys->Dir, string, int);
+	Gatequery: type (Entry, chan of int);
+	Gatechan: type chan of Gatequery;
+	Fsdata: adt {
+		dir: ref Sys->Dir;
+		data: array of byte;
+	};
+	Fschan: type chan of (Fsdata, chan of int);
+	Next, Down, Skip, Quit: con iota;
+
+	Nilentry: con (nil, nil, 0);
+};
+
+Fsmodule: module {
+	types: fn(): string;
+	init:	fn();
+	run: fn(ctxt: ref Draw->Context, r: ref Fslib->Report,
+		opts: list of Fslib->Option, args: list of ref Fslib->Value): ref Fslib->Value;
+};
+
+Fsfilter: module {
+	PATH: con "/dis/lib/fsfilter.dis";
+	filter: fn[T](t: T, src, dst: Fslib->Fschan)
+		for{
+		T =>
+			query: fn(t: self T, d: ref Sys->Dir, name: string, depth: int): int;
+		};
+};