1 files changed, 116 insertions, 0 deletions
diff --git a/module/debug.m b/module/debug.m
new file mode 100644
index 00000000..4abfe585
--- /dev/null
+++ b/module/debug.m
@@ -0,0 +1,116 @@
+Debug: module
+{
+	PATH:	con "/dis/lib/debug.dis";
+
+	Terror, Tid, Tadt, Tadtpick, Tarray, Tbig, Tbyte, Tchan, Treal,
+	Tfn, Targ, Tlocal, Tglobal, Tint, Tlist, Tmodule, Tnil, Tnone,
+	Tref, Tstring, Ttuple, Tend, Targs, Tslice, Tpoly: con iota;
+
+	Pos: adt
+	{
+		file:		string;
+		line:		int;		# line number: origin 1
+		pos:		int;		# character within the line: origin 0
+	};
+	Src: adt
+	{
+		start:		Pos;		# range within source files
+		stop:		Pos;
+	};
+	Id: adt
+	{
+		src:		ref Src;
+		name:		string;
+		offset:		int;		# start of pc, offset in frame, etc
+		stoppc:		int;		# limit pc of function
+		t:		cyclic ref Type;
+	};
+	Type: adt
+	{
+		src:		ref Src;
+		kind:		int;
+		size:		int;
+		name:		string;			# for adts, modules
+		Of:		cyclic ref Type;	# for lists, arrays, etc.
+		ids:		cyclic array of ref Id;	# for adts, etc. locals for fns
+		tags:		cyclic array of ref Type;# for adts with pick tags
+
+		text:		fn(t: self ref Type, sym: ref Sym): string;
+		getkind:	fn(t: self ref Type, sym: ref Sym): int;
+	};
+	Sym: adt
+	{
+		path:		string;
+		name:		string;		# implements name
+		src:		array of ref Src;
+		srcstmt:	array of int;
+		adts:		array of ref Type;
+		fns:		array of ref Id;
+		vars:		array of ref Id;
+
+		srctopc:	fn(s: self ref Sym, src: ref Src): int;
+		pctosrc:	fn(s: self ref Sym, pc: int): ref Src;
+	};
+
+	Module: adt
+	{
+		path:	string;		# from whence loaded
+		code:	int;		# address of code start
+		data:	int;		# address of data
+		comp:	int;		# compiled to native assembler?
+		sym:	ref Sym;
+
+		addsym:	fn(m: self ref Module, sym: ref Sym);
+		stdsym:	fn(m: self ref Module);
+		dis:	fn(m: self ref Module): string;
+		sbl:	fn(m: self ref Module): string;
+	};
+
+	StepExp, StepStmt, StepOver, StepOut: con iota;
+	Prog: adt
+	{
+		id:	int;
+		heap:	ref Sys->FD;	# prog heap file
+		ctl:	ref Sys->FD;	# prog control file
+		dbgctl:	ref Sys->FD;	# debug file
+		stk:	ref Sys->FD;	# stack file
+
+		status:	fn(p: self ref Prog): (int, string, string, string);
+		stack:	fn(p: self ref Prog): (array of ref Exp, string);
+		step:	fn(p: self ref Prog, how: int): string;
+		cont:	fn(p: self ref Prog): string;
+		grab:	fn(p: self ref Prog): string;
+		start:	fn(p: self ref Prog): string;
+		stop:	fn(p: self ref Prog): string;
+		unstop:	fn(p: self ref Prog): string;
+		kill:	fn(p: self ref Prog): string;
+		event:	fn(p: self ref Prog): string;
+		setbpt:	fn(p: self ref Prog, dis: string, pc: int): string;
+		delbpt:	fn(p: self ref Prog, dis: string, pc: int): string;
+	};
+
+	Exp: adt
+	{
+		name:	string;
+		offset:	int;
+		pc:	int;
+		m:	ref Module;
+		p:	ref Prog;
+
+		# this is private
+		id:	ref Id;
+
+		expand:	fn(e: self ref Exp): array of ref Exp;
+		val:	fn(e: self ref Exp): (string, int);
+		typename:	fn(e: self ref Exp): string;
+		kind: fn(e: self ref Exp): int;
+		src:	fn(e: self ref Exp): ref Src;
+		findsym:fn(e: self ref Exp): string;
+		srcstr:	fn(e: self ref Exp): string;
+	};
+
+	init:		fn(): int;
+	sym:		fn(sbl: string): (ref Sym, string);
+	prog:	fn(pid: int): (ref Prog, string);
+	startprog:	fn(dis, dir: string, ctxt: ref Draw->Context, argv: list of string): (ref Prog, string);
+};