diff: io.nu.nl: io__write, io__read, io__get_output_line_num

[Fergus Henderson]

library/io.nu.nl:
	Add Prolog versions of io__write, io__read, and
	io__get_output_line_number.

Index: io.nu.nl
===================================================================
RCS file: /home/staff/zs/imp/mercury/library/io.nu.nl,v
retrieving revision 1.55
diff -u -u -r1.55 io.nu.nl
--- io.nu.nl	1997/09/26 12:19:14	1.55
+++ io.nu.nl	1997/09/26 12:23:34
@@ -298,7 +298,10 @@
 io__putback_byte(_Stream, _Char, IO, IO) :-
 	error("io__putback_byte: binary IO is not implemented for Prolog.").
 
-io__read_anything(S, Result) -->
+io__read_anything(S, R) -->
+	io__read(S, R).
+
+io__read(S, Result) -->
 	{ read(S, Term) },
 	{ eof(Term) ->
 		Result = eof
@@ -306,7 +309,10 @@
 		Result = ok(Term)
 	}.
 
-io__read_anything(Result) -->
+io__read_anything(R) -->
+	io__read(R).
+
+io__read(Result) -->
 	{ read(Term) },
 	{ eof(Term) ->
 		Result = eof
@@ -339,6 +345,9 @@
 	io__update_state.
 	
 io__write_anything(S, I) -->
+	io__write(S, I).
+
+io__write(S, I) -->
 	{ write(S, I) },
 	io__update_state.
 
@@ -370,8 +379,11 @@
 	io__write_float(Stream, Float).
 
 io__write_anything(Term) -->
+	io__write(Term).
+
+io__write(Term) -->
 	io__output_stream(Stream),
-	io__write_anything(Stream, Term).
+	io__write(Stream, Term).
 
 io__flush_output -->
 	io__output_stream(Stream),
@@ -487,6 +499,13 @@
 		N1 = N0
 	),
 	io__adjust_line_num(Cs, N1, N).
+
+io__get_output_line_number(LineNumber) -->
+	{ currentOutput(Stream) },
+	io__get_output_line_number(Stream, LineNumber).
+
+io__get_output_line_number(Stream, LineNumber) -->
+	{ lineCount(Stream, LineNumber) }.
 
 %-----------------------------------------------------------------------------%
 %-----------------------------------------------------------------------------%

-- 
Fergus Henderson <fjh at cs.mu.oz.au>   |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>   |  of excellence is a lethal habit"
PGP: finger fjh at 128.250.37.3         |     -- the last words of T. S. Garp.