compiler/src/system/Oberon.Mod
2016-06-16 14:14:39 +01:00

86 lines
1.7 KiB
Modula-2

MODULE Oberon;
(* this version should not have dependency on graphics -- noch *)
IMPORT Platform, Texts, Args, Console;
TYPE
ParList* = POINTER TO ParRec;
ParRec* = RECORD
(* vwr*: Viewers.Viewer;
frame*: Display.Frame;*)
text*: Texts.Text;
pos*: LONGINT
END;
VAR
Log*: Texts.Text;
Par*: ParList; (*actual parameters*)
R: Texts.Reader;
W: Texts.Writer;
OptionChar*: CHAR;
(*clocks*)
PROCEDURE GetClock* (VAR t, d: LONGINT);
BEGIN Platform.GetClock(t, d)
END GetClock;
PROCEDURE Time* (): LONGINT;
BEGIN
RETURN Platform.Time()
END Time;
PROCEDURE PopulateParams;
VAR
W: Texts.Writer;
i: INTEGER;
str: ARRAY 32 OF CHAR;
BEGIN
i := 1; (* skip program name *)
Texts.OpenWriter(W);
REPEAT
IF i < Args.argc THEN
Args.Get(i, str);
Texts.WriteString(W, str);
Texts.WriteString(W, " ");
END;
INC(i)
UNTIL i >= Args.argc;
Texts.Append (Par^.text, W.buf);
END PopulateParams;
PROCEDURE GetSelection*(VAR text: Texts.Text; VAR beg, end, time: LONGINT);
BEGIN text := NIL; beg := 0; end := 0; time := 0;
END GetSelection;
(* --- Notifier for echoing all text appended to the log onto the console. --- *)
PROCEDURE LogNotifier(Log: Texts.Text; op: INTEGER; beg, end: LONGINT);
VAR ch: CHAR;
BEGIN
Texts.OpenReader(R, Log, beg);
WHILE ~R.eot & (beg < end) DO
Texts.Read(R, ch);
IF ch = 0DX THEN Console.Ln ELSE Console.Char(ch) END;
INC(beg)
END
END LogNotifier;
BEGIN
NEW(Par);
NEW(Par.text);
Par.pos := 0;
OptionChar := '-';
Texts.Open(Par.text, "");
PopulateParams;
NEW(Log);
Texts.Open(Log, "");
Log.notify := LogNotifier;
END Oberon.