NiceImpl.mesa
Last Edited by: Swinehart, June 15, 1984 0:40:21 am PDT
DIRECTORY
Atom, IO, Log, Nice, -- PrettyPrinTV, PrinTV, -- Rope, RPCPkt, PrincOpsUtils, VBag, ViewRec, ViewerClasses;
NiceImpl: CEDAR PROGRAM IMPORTS Atom, IO, Log, PrincOpsUtils, -- PrinTV, PrettyPrinTV,-- VBag, ViewRec
EXPORTS Nice
SHARES VBag = {
BeNiceDo: PROC[r: REF, d: INT, how: ATOM←$System, howD: REFNIL] = TRUSTED {
out: IO.STREAM ← Log.FindWhere[how, howD];
out.Put[IO.refAny[r]];
<< This is what is meant to happen! Wait for PrettyPrint to reappear >>
put: PrinTV.PutClosure ← PrettyPrinTV.StreamToPrettyPutClosure[out, 60];
PrinTV.Print[
tv: AMBridge.TVForReferent[r], put: put, depth: d, maxLength: 32, verbose: FALSE];
PrettyPrinTV.Flush[put];
};
ViewDo: PROC[r: REF, name: Rope.ROPE] = TRUSTED {
IF ~PrincOpsUtils.IsBound[VBag.Start] THEN RETURN;
IF recTable=NIL THEN recTable←VBag.Create["Program Management Variables"];
[]←VBag.Start[recTable, r, name];
};
ViewOne: PUBLIC PROC[r: REF, name: Rope.ROPENIL, iconic: BOOLFALSE] = {
IF ~PrincOpsUtils.IsBound[ViewRec.ViewRef] THEN RETURN;
[]←ViewRec.ViewRef[agg: r, viewerInit: [name: name, iconic: iconic]];
};
Procedure for debugging only
Ref: PUBLIC UNSAFE PROC[whatever: LONG CARDINAL] RETURNS [REF] = UNCHECKED {RETURN[LOOPHOLE[whatever]]};
recTable: ViewerClasses.Viewer←NIL;
Atom.PutProp[$Interfaces, $BeNice, NEW[Nice.BeNiceProc�NiceDo]];
Atom.PutProp[$Interfaces, $View, NEW[Nice.ViewProc←ViewDo]];
TRUSTED {
IF PrincOpsUtils.IsBound[ViewRec.SetBehavior] THEN ViewRec.SetBehavior[newBehavior: [delayParms: [min: 1000]]]; -- Reduce sampling load
};
}.