DIRECTORY AMModel USING [Section], AMTypes USING [Error, TV], AMViewerOps USING [SectionFromSelection], Buttons USING [Button, ButtonProc, Create, ReLabel], Commander USING [CommandProc, Register], Containers USING [ChildXBound, ChildYBound, Container, Create], Convert USING [CardFromRope, Error, IntFromRope, RopeFromInt], FS USING [Error, ExpandName], Icons USING [IconFlavor, NewIconFromFile], IO USING [Close, Put, PutFR, PutRope, RopeFromROS, ROS, STREAM], Labels USING [Create, Label, Set], PrincOps USING [PsbIndex, PsbNull], Rope USING [Equal, Fetch, Flatten, Length, ROPE, Text], Rules USING [Create], SpyClient USING [ClearBreaks, ClearUserBreaks, DataType, DisplayData, InitializeSpy, SetStartBreak, SetStopBreak, SetTrace, SetUserBreak, StartSpy, StopSpy], ViewerClasses USING [InitProc, Viewer, ViewerClass], ViewerIO USING [CreateViewerStreams], ViewerOps USING [ChangeColumn, CreateViewer, DestroyViewer, MoveViewer, OpenIcon, PaintViewer], ViewerTools USING [GetContents, GetSelectedViewer, GetSelectionContents, MakeNewTextViewer, SelPos, SetContents, SetSelection]; SpyViewerImpl: MONITOR IMPORTS AMTypes, AMViewerOps, Buttons, Commander, Containers, Convert, FS, Icons, IO, Labels, Rope, Rules, SpyClient, ViewerIO, ViewerOps, ViewerTools SHARES IO = { ROPE: TYPE = Rope.ROPE; STREAM: TYPE = IO.STREAM; TV: TYPE = AMTypes.TV; typescript: IO.STREAM _ NIL; typescriptBox: ViewerClasses.Viewer _ NIL; spyViewer: Containers.Container _ NIL; icon: Icons.IconFlavor _ Icons.NewIconFromFile["Spy.icon", 0]; Spy: Commander.CommandProc = TRUSTED { IF spyViewer = NIL OR spyViewer.destroyed THEN { spyViewer _ Containers.Create[info: [name: "Spy", icon: icon, scrollable: FALSE, iconic: TRUE]]; CreateSpyViewer[spyViewer]; } ELSE IF spyViewer.iconic THEN ViewerOps.OpenIcon[spyViewer] ELSE ViewerOps.PaintViewer[spyViewer, all]; IF spyViewer.offDeskTop THEN ViewerOps.ChangeColumn[spyViewer, left]; }; CreateSpyViewer: ViewerClasses.InitProc = TRUSTED { rule: ViewerClasses.Viewer; x: INTEGER = 10; -- upper left corner of commands y: INTEGER = 10; sp: INTEGER = 6; line: INTEGER = 20; -- height of each line rule _ Rules.Create[info: [parent: self, wx: 0, wy: y + 4*line, ww: 100, wh: 1]]; Containers.ChildXBound[self, rule]; typescriptBox _ ViewerOps.CreateViewer[flavor: $Typescript, info: [wx: 0, wy: y + 4*line + 1, ww: 70*sp+x-5, wh: 40*line, border: FALSE, parent: self]]; typescript _ ViewerIO.CreateViewerStreams["Spy.Log", typescriptBox].out; Containers.ChildXBound[self, typescriptBox]; Containers.ChildYBound[self, typescriptBox]; spyOnButton _ Buttons.Create[ proc: ToggleSpy, documentation: "Spy records data only when this is 'on'.", info: [name: "Spy: {off} ", wx: x, wy: y, border: FALSE, parent: self]]; SetSpyButton[]; dataTypeButton _ Buttons.Create[ proc: ToggleType, documentation: "Gives the resource to be monitored. Toggle through for list.", info: [name: "Watching: {CPU} ", wx: x + 15*sp, wy: y, border: FALSE, parent: self]]; processBoxX _ 475 - 34*sp; processBoxY _ y + 1; processBoxW _ 8*sp; processBoxH _ line; bracketLabel _ Labels.Create[ info: [name: " ", -- used to print the trailing bracket when dataType = process wx: processBoxX + processBoxW, wy: processBoxY, border: FALSE, parent: self]]; tablesLabel _ Labels.Create[ info: [name: " ", -- indicates when tables are being built wx: processBoxX + processBoxW + 3*sp, wy: y, border: FALSE, parent: self]]; displayButton _ Buttons.Create[ fork: TRUE, documentation: "Displays the current data on a separate typescript.", proc: DisplayData, info: [name: "DisplayData!", wx: x, wy: y + line, parent: self]]; divisorButtonX _ x + 15*sp; divisorButton _ Buttons.Create[ proc: ToggleDivisor, documentation: "Manipulates the frequency divisor", info: [name: "Frequency Divisor:", wx: divisorButtonX, wy: y + line, border: FALSE, parent: self]]; divisorBoxX _ x + 35*sp; divisorBox _ ViewerTools.MakeNewTextViewer[ info: [wx: divisorBoxX, wy: y + line, ww: 8*sp, wh: line, data: "1", border: FALSE, scrollable: FALSE, parent: self]]; cutoffButton _ Buttons.Create[ proc: ToggleCutoff, documentation: "Specifies percentage cutoff for printing.", info: [name: "cutoff: {100}", wx: x + 43*sp, wy: y + line, border: FALSE, parent: self]]; SetCutoffButton[]; setStartBreakButton _ Buttons.Create[ proc: SetStartBreak, documentation: "Select a source or a rope of the form ModuleImpl.Proc.", info: [name: "SetStartBreak!", wx: x, wy: y + 2*line, parent: self]]; setStopBreakButton _ Buttons.Create[ proc: SetStopBreak, documentation: "Spy will record data as long as the number of start breaks exceeds the number of stops.", info: [name: "SetStopBreak!", wx: x + 15*sp, wy: y + 2*line, -- 31 parent: self]]; clearBreaksButton _ Buttons.Create[ proc: ClearBreaks, documentation: "Clears the breaks given by user; resets the mode.", info: [name: "ClearBreaks!", wx: x + 31*sp, wy: y + 2*line, -- 47 parent: self]]; setUserBreakButton _ Buttons.Create[ proc: SetUserBreak, documentation: "Spy will count the given breaks as they are encountered.", info: [name: "SetUserBreak!", wx: x, wy: y + 3*line, parent: self]]; setTraceButton _ Buttons.Create[ proc: SetUserBreak, clientData: $Trace, documentation: "Logs a trace whenever the break is encountered.", info: [name: "SetTrace!", wx: x + 15*sp, wy: y + 3*line, parent: self]]; clearUserBreaksButton _ Buttons.Create[ documentation: "Clears the user breaks given.", proc: ClearUserBreaks, info: [name: "ClearUserBreaks!", wx: x + 27*sp, wy: y + 3*line, parent: self]]; SetDataType[CPU]; }; break: BOOL _ FALSE; spyOn: BOOL _ FALSE; displayButton: Buttons.Button _ NIL; spyOnButton: Buttons.Button _ NIL; tablesLabel: Labels.Label _ NIL; bracketLabel: Labels.Label _ NIL; SetSpyButton: PROC = { SELECT TRUE FROM break AND spyOn => { IF ~Rope.Equal[spyOnButton.name, "Break: {on}"] THEN IO.PutRope[typescript, "\nStart breaks enabled.\n"]; Buttons.ReLabel[spyOnButton, "Break: {on}"]; }; break AND ~spyOn => { IF ~Rope.Equal[spyOnButton.name, "Break: {off}"] THEN IO.PutRope[typescript, "\nStart breaks disabled.\n"]; Buttons.ReLabel[spyOnButton, "Break: {off}"]; }; ~break AND spyOn => { IF ~Rope.Equal[spyOnButton.name, "Spy: {on}"] THEN IO.PutRope[typescript, "\nStart started.\n"]; Buttons.ReLabel[spyOnButton, "Spy: {on}"]; }; ENDCASE => { IF ~Rope.Equal[spyOnButton.name, "Spy: {off}"] THEN IO.PutRope[typescript, "\nStart stopped.\n"]; Buttons.ReLabel[spyOnButton, "Spy: {off}"]; }; }; ToggleSpy: Buttons.ButtonProc = TRUSTED { SELECT spyOn FROM TRUE => StopSpy[]; FALSE => StartSpy[]; ENDCASE => ERROR; }; StopSpy: PROC = { spyOn _ FALSE; SpyClient.StopSpy[]; SetSpyButton[]; }; StartSpy: PROC = { error: ROPE _ NIL; process: PrincOps.PsbIndex _ PrincOps.PsbNull; divisor: INT _ 1; Labels.Set[tablesLabel,"initializing"]; IF dataType = breakProcess AND ~break THEN error _ "Watching break process but no breaks set!"; IF dataType = process THEN { process _ Convert.CardFromRope[ViewerTools.GetContents[processBox], 8]; IF process = PrincOps.PsbNull THEN error _ "No process specified."; }; divisor _ Convert.IntFromRope[ViewerTools.GetContents[divisorBox] ! Convert.Error => { error _ "Malformed frequency divisor --- it should be an integer."; CONTINUE; }]; IF error = NIL AND divisor NOT IN [1 .. LAST[NAT]] THEN error _ IO.PutFR["Frequency divisor %g is out of range [1 .. %g].", [integer[divisor]], [integer[LAST[NAT]]]]; IF error = NIL THEN error _ SpyClient.InitializeSpy[ dataType: dataType, process: process, frequencyDivisor: divisor]; Labels.Set[tablesLabel, NIL]; IF error # NIL THEN { IO.Put[typescript, [character['\n]], [rope[error]], [character['\n]]]; RETURN; }; spyOn _ TRUE; SetSpyButton[]; SpyClient.StartSpy[]; }; divisorButton: Buttons.Button _ NIL; divisorButtonX: NAT; divisorBox: ViewerClasses.Viewer _ NIL; divisorBoxX: NAT; ToggleDivisor: Buttons.ButtonProc = TRUSTED { Set: PROC [divisor: INT] = { ViewerTools.SetContents[divisorBox, Convert.RopeFromInt[divisor]]; }; SELECT mouseButton FROM yellow => Set[1]; red, blue => { ENABLE Convert.Error => { IO.PutRope[typescript, "\nMalformed frequency divisor --- it should be an integer.\n"]; CONTINUE}; divisor: INT = Convert.IntFromRope[ViewerTools.GetContents[divisorBox]]; SELECT mouseButton FROM blue => IF divisor >= 5 THEN Set[divisor/5]; yellow => ERROR; red => IF divisor <= LAST[NAT]/5 THEN Set[divisor*5]; ENDCASE => ERROR; }; ENDCASE => ERROR; }; dataType: SpyClient.DataType _ CPU; dataTypeButton: Buttons.Button _ NIL; processBox: ViewerClasses.Viewer _ NIL; processBoxX, processBoxY, processBoxW, processBoxH: CARDINAL; SetDataType: PROC [dt: SpyClient.DataType] = { needPaint: BOOL _ FALSE; dataType _ dt; IF dataType = process AND (processBox = NIL OR processBox.destroyed) THEN { processBox _ ViewerTools.MakeNewTextViewer[ info: [wx: processBoxX, wy: processBoxY, ww: processBoxW, wh: processBoxH, border: FALSE, scrollable: FALSE, parent: spyViewer], paint: FALSE]; Labels.Set[bracketLabel, "}", FALSE]; ViewerTools.SetSelection[processBox]; needPaint _ TRUE; }; IF dataType # process AND processBox # NIL AND ~processBox.destroyed THEN { ViewerOps.DestroyViewer[processBox, FALSE]; Labels.Set[bracketLabel, " ", FALSE]; needPaint _ TRUE; }; SELECT dataType FROM CPU, process, breakProcess, allocations, wordsAllocated => IF divisorButton.wx # divisorButtonX THEN { ViewerOps.MoveViewer[divisorButton, divisorButtonX, divisorButton.wy, divisorButton.ww, divisorButton.wh, FALSE]; ViewerOps.MoveViewer[divisorBox, divisorBoxX, divisorBox.wy, divisorBox.ww, divisorBox.wh, FALSE]; needPaint _ TRUE; }; pagefaults, userDefined => IF divisorBox.wx+divisorBox.ww >= 0 THEN { invisibleX: INTEGER = -100 - divisorBox.ww; ViewerOps.MoveViewer[divisorButton, invisibleX, divisorButton.wy, divisorButton.ww, divisorButton.wh, FALSE]; ViewerOps.MoveViewer[divisorBox, invisibleX, divisorBox.wy, divisorBox.ww, divisorBox.wh, FALSE]; needPaint _ TRUE; }; ENDCASE => ERROR; Buttons.ReLabel[dataTypeButton, SELECT dataType FROM CPU => "Watching: {CPU}", process => "Watching: {process number: ", breakProcess => "Watching: {break process}", pagefaults => "Watching: {pagefaults}", allocations => "Watching: {allocations}", wordsAllocated => "Watching: {wordsAllocated}", userDefined => "Watching: {user breaks}", ENDCASE => ERROR, NOT needPaint]; IF needPaint THEN ViewerOps.PaintViewer[spyViewer, client]; }; ToggleType: Buttons.ButtonProc = TRUSTED { SetDataType[SELECT mouseButton FROM red => IF dataType = LAST[SpyClient.DataType] THEN FIRST[SpyClient.DataType] ELSE SUCC[dataType], blue => IF dataType = FIRST[SpyClient.DataType] THEN LAST[SpyClient.DataType] ELSE PRED[dataType], ENDCASE => CPU]; }; cutoff: CARDINAL _ 3; cutoffButton: Buttons.Button; ToggleCutoff: Buttons.ButtonProc = TRUSTED { SELECT mouseButton FROM blue => IF cutoff > 0 THEN cutoff _ cutoff - 1; yellow => cutoff _ 3; red => IF cutoff < 100 THEN cutoff _ cutoff + 1; ENDCASE; SetCutoffButton[]; }; SetCutoffButton: PROC = { stream: IO.STREAM; stream _ IO.ROS[]; stream.Put[[rope["cutoff: {"]], [integer[cutoff]], [rope["}"]]]; Buttons.ReLabel[cutoffButton, IO.RopeFromROS[stream]]; stream.Close[]; }; DisplayData: Buttons.ButtonProc = TRUSTED { IF spyOn THEN StopSpy[]; SpyClient.DisplayData[cutoff, NIL, NIL, control]; IF control THEN SpyClient.DisplayData[cutoff, "Results of spying on Spy log."]; }; setStartBreakButton: Buttons.Button _ NIL; setStopBreakButton: Buttons.Button _ NIL; clearBreaksButton: Buttons.Button _ NIL; ClearBreaks: Buttons.ButtonProc = TRUSTED { SpyClient.ClearBreaks[]; IO.PutRope[typescript, "\nStart and Stop Breaks cleared.\n"]; break _ FALSE; StopSpy[]; }; SetStartBreak: Buttons.ButtonProc = TRUSTED { msg, name: ROPE; ok: BOOL _ FALSE; section: AMModel.Section; [section, name, msg] _ LocationFromSelection[]; IF section # NIL OR name # NIL THEN [ok, msg] _ SpyClient.SetStartBreak[section, name]; IO.Put[typescript, [character['\n]], [rope[msg]], [character['\n]]]; IF ~ok THEN RETURN; break _ TRUE; SetDataType[breakProcess]; StopSpy[]; }; SetStopBreak: Buttons.ButtonProc = TRUSTED { msg, name: ROPE; ok: BOOL _ FALSE; section: AMModel.Section; [section, name, msg] _ LocationFromSelection[]; IF section # NIL OR name # NIL THEN [ok, msg] _ SpyClient.SetStopBreak[section, name]; IO.Put[typescript, [character['\n]], [rope[msg]], [character['\n]]]; IF ~ok THEN RETURN; break _ TRUE; StopSpy[]; }; setTraceButton: Buttons.Button _ NIL; setUserBreakButton: Buttons.Button _ NIL; clearUserBreaksButton: Buttons.Button _ NIL; ClearUserBreaks: Buttons.ButtonProc = TRUSTED { SpyClient.ClearUserBreaks[]; IO.Put[typescript, [rope["\nUser Breaks cleared.\n"]]]; IF dataType = userDefined THEN StopSpy[]; }; SetUserBreak: Buttons.ButtonProc = TRUSTED { msg, name: ROPE; ok: BOOL _ FALSE; section: AMModel.Section; [section, name, msg] _ LocationFromSelection[]; IF section # NIL OR name # NIL THEN IF clientData = $Trace THEN [ok, msg] _ SpyClient.SetTrace[section, name] ELSE [ok, msg] _ SpyClient.SetUserBreak[section, userBreak, name]; IO.Put[typescript, [character['\n]], [rope[msg]], [character['\n]]]; IF ~ok THEN RETURN; StopSpy[]; IF dataType = userDefined THEN RETURN; SetDataType[userDefined]; }; LocationFromSelection: PROC RETURNS [section: AMModel.Section _ NIL, name, error: ROPE _ NIL] = { viewer: ViewerClasses.Viewer; viewer _ ViewerTools.GetSelectedViewer[]; IF viewer = NIL THEN RETURN [error: "no selected viewer"]; IF viewer.class.flavor # $Text OR ~Rope.Equal[Split[viewer.file].ext, "mesa"] THEN { module, proc: ROPE; contents: ROPE _ ViewerTools.GetSelectionContents[]; [module, proc] _ Split[contents]; IF module # NIL AND proc # NIL THEN RETURN[name: contents]; }; section _ AMViewerOps.SectionFromSelection[ ! AMTypes.Error => {error _ msg; CONTINUE}].section; }; Split: PROC [name: ROPE] RETURNS [root: Rope.Text, ext: Rope.Text _ NIL] = { name _ FS.ExpandName[name ! FS.Error => {name _ NIL; CONTINUE}].fullFName; IF name # NIL THEN { len: INT = Rope.Length[name]; dotIndex: INT _ len; bangIndex: INT _ len; pos: INT _ len; WHILE pos > 0 DO SELECT Rope.Fetch[name, pos _ pos - 1] FROM '! => bangIndex _ pos; '. => dotIndex _ pos; '], '>, '/ => EXIT; ENDCASE; ENDLOOP; IF dotIndex >= bangIndex THEN root _ Rope.Flatten[name] ELSE { root _ name.Flatten[0, dotIndex]; ext _ name.Flatten[dotIndex+1, bangIndex-dotIndex-1]; }; }; }; Commander.Register[key: "Spy", proc: Spy, doc: "spies on program performance"]; }. bSpyViewerImpl.mesa Copyright Σ 1984, 1986, 1987 by Xerox Corporation. All rights reserved. Maxwell, December 14, 1983 3:28 pm Pier, June 24, 1985 2:37:30 pm PDT Russ Atkinson (RRA) February 19, 1987 11:12:34 am PST Bob Hagmann July 11, 1986 8:10:35 am PDT Mike Spreitzer January 24, 1987 3:08:54 pm PST Global Variables Spy viewer creation typescript first line second line third line fourth line turning the spy off and on Frequency divisor Determine the data type Displaying Data Setting and clearing start and stop breaks set your breaks and then turn the spy on as long as there have been more start breaks than stop breaks the spy will keep on counting turning the spy off will stop the counting (although not the breaks). hit ClearBreaks to delete breaks. 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