SisyphImpl.mesa
Copyright © 1985, 1986 by Xerox Corporation. All rights reserved.
Created by Sindhu and Serlet, November 27, 1985 9:11:39 pm PDT
Pradeep Sindhu January 13, 1987 9:37:32 am PST
Barth, October 15, 1986 10:25:34 am PDT
Bertrand Serlet, December 11, 1986 11:29:37 pm PST
Jean-Marc Frailong June 20, 1986 8:10:12 pm PDT
Christian Jacobi, July 15, 1986 6:24:40 pm PDT
DIRECTORY
AMTypes USING [Copy, TV, TVEqual],
AMBridge USING [SomeRefFromTV, TVForFrame, TVForReferent],
AMModel USING [Context],
AMModelBridge USING [ContextForFrame],
CD, CDCells, CDDirectory, CDEvents, CDImports, CDInstances, CDLayers, CDProperties, CDRects, CDRemote, CDSatellites, CDSequencer, CDSymbolicObjects, CDTexts,
Core, CoreClasses, CoreOps, CoreProperties,
CoreGeometry,
HashTable, IO,
Interpreter USING [Evaluate],
PrincOpsUtils,
PW,
Rope,
RopeList,
Sinix,
Sisyph,
SymTab,
TerminalIO;
SisyphImpl: CEDAR PROGRAM    
IMPORTS AMBridge, AMModelBridge, AMTypes, CDCells, CDDirectory, CDEvents, CDImports, CDInstances, CDLayers, CDProperties, CDRects, CDRemote, CDSatellites, CDSequencer, CDTexts, CoreClasses, CoreOps, CoreProperties, CoreGeometry, HashTable, Interpreter, IO, PrincOpsUtils, PW, Rope, RopeList, Sinix, SymTab, TerminalIO
EXPORTS Sisyph
SHARES CDCells, CDImports, CDRects, CDRemote, CDTexts, Sinix =
BEGIN OPEN Sisyph;
Constants and Variables
expressionsProp: PUBLIC ATOMPW.RegisterProp[$SisyphExpressions, TRUE];
designRope: PRIVATE ROPE ← "design";
name of Sisyph variable that holds the ChipNDale design.
cellIconRope: PUBLIC ROPE ← "cI";
wireIconRope: PUBLIC ROPE ← "wI";
wireRope: PUBLIC ROPE ← "wire";
nameRope: PUBLIC ROPE ← "name";
globalNamesRope: PRIVATE ROPE ← "globalNames";
name of Sisyph variable that represents a list of names of global wires.
corePropsRope: PUBLIC ROPE ← "coreProps";
coreInstPropsRope: PUBLIC ROPE ← "coreInstProps";
cdObjRope: PRIVATE ROPE ← "cdObj";
name of Sisyph variable that holds the CD object being extracted.
localVariablesRopes: ROPES = LIST ["&", cellIconRope, wireIconRope, nameRope, wireRope, corePropsRope, coreInstPropsRope];
ignoreMeProp: PRIVATE ATOMPW.RegisterProp[$SisyphIgnoreMe, TRUE];
property whose presence indicates that the instance should be ignored during extraction. Present for backward compatibility only. Use $ExtractNull instead. We should get rid of it one day.
parmNamesProp: PUBLIC ATOMPW.RegisterProp[$SisyphParmNames, TRUE];
defaultGlobalNames: PUBLIC ROPESLIST ["Vdd", "Gnd"];
mode: PUBLIC Sinix.Mode ← NEW [Sinix.ModeRec ← [
extractProcProp: PW.RegisterProp[$SisyphExtractProc, TRUE],
decoration: CoreGeometry.CreateDecoration["Sisyph"],
equalProc: ResultEqual,
instanceLayer: Sinix.DefaultInstanceLayer,
userData: DefaultUserData,
fusionByName: schematics,
touchProc: Touch
]];
ExtractProcs
This is the top-level extract proc. It evaluates the arguments to the schematic and then calls either ExtractCellIcon or Sinix.ExtractCell to do its job.
ExtractSchematic: Sinix.ExtractProc = {
cx: Context;
coreProps: Core.Properties;
resultRope: ROPE;
[cx, resultRope] ← EvaluateParameters[userData, obj, properties];
EvaluateResult[cx, resultRope];
coreProps ← GetCoreProps[cx];
props ← GetCoreInstProps[cx];
SELECT TRUE FROM
Rope.Match["*cI*←*", resultRope] => {
cellType: CellType ← ExtractCellIcon[obj, cx];
IF coreProps#NIL THEN cellType.properties ← PutCoreProps[cellType.properties, coreProps];
result ← cellType;
};
Rope.Match["*wI*←*", resultRope] => {
wire: Wire ← ExtractWireIcon[obj, cx];
IF coreProps#NIL THEN wire.properties ← PutCoreProps[wire.properties, coreProps];
result ← wire;
};
Rope.Match["*wire*←*", resultRope] => ERROR;
ENDCASE => {
name: ROPE ← GetName[cx];
cellType: CellType;
[result, props] ← Sinix.ExtractCell[obj, mode, properties, cx];
cellType ← NARROW [result];
ProcessGlobalNames[cellType, cx];
IF name=NIL THEN name ← CDNameToCTName[CDDirectory.Name[obj], ".sch"];
cellType ← CoreOps.SetCellTypeName[cellType, name];
IF coreProps#NIL THEN cellType.properties ← PutCoreProps[cellType.properties, coreProps];
};
};
ExtractWire: Sinix.ExtractProc = {
wire: Wire;
cx: Context;
name: ROPE;
resultRope: ROPE;
coreInstProps: Core.Properties;
IF obj.class#CDRects.bareRectClass OR obj.layer#CD.commentLayer THEN ERROR;
[cx, resultRope] ← EvaluateParameters[userData, obj, properties];
EvaluateResult[cx, resultRope];
wire ← GetWireCore[cx];
name ← GetName[cx];
coreInstProps ← GetCoreInstProps[cx];
IF wire=NIL THEN wire ← CoreOps.CreateWire[name: name];
CoreGeometry.PutPin[mode.decoration, wire, CDInstances.NewInst[obj]];
IF coreInstProps#NIL THEN wire.properties ← PutCoreProps[wire.properties, coreInstProps];
result ← wire;
};
ExtractImport: Sinix.ExtractProc = {
cx: Context = NARROW [userData];
design: CD.Design ← GetDesign[cx];
importPtr: CDImports.ImportPtr = NARROW [obj.specificRef];
importDesign: CD.Design;
importObj: Object;
CDSequencer.CheckAborted[design];
IF importPtr.boundInstance=NIL AND NOT CDImports.Load[design, importPtr.designName, true, false] THEN {PW.WriteF["*** Error: Cannot load import %g[%g] which is unbound.\n", IO.rope[importPtr.objectName], IO.rope[importPtr.designName]]; ERROR};
importDesign ← CDRemote.FetchDesign[design, importPtr.designName];
importObj ← importPtr.boundInstance.ob;
RETURN Sinix.Extract[obj: importObj, mode: mode, properties: properties, userData: Create[importDesign, cx]];
};
ES, ExtractSchematicByName: PUBLIC PROC [name: ROPE, cx: Context] RETURNS [CellType] = {
design: CD.Design = GetDesign[cx];
obj: CD.Object = CDDirectory.Fetch[design, name].object;
IF obj=NIL THEN {PW.WriteF["*** Error: ES cannot find object '%g' in design '%g'.\n", IO.rope[name], IO.rope[design.name]]; ERROR};
RETURN [NARROW [Sinix.Extract[obj: obj, mode: mode, properties: NIL, userData: cx].result]];
};
This proc is called for cell icons. If a core definition is found then it is returned, otherwise a core cell of class Unspecified is returned.
ExtractCellIcon: PROC [icon: Object, cx: Context] RETURNS [cellType: CellType] = {
SmashPins: CoreOps.EachWireProc = {CoreGeometry.PutPins[mode.decoration, wire, NIL]};
iconCT: CellType;
name: ROPE;
iconCT ← NARROW [Sinix.ExtractCell[icon, mode, NIL, cx].result];
Compute core for the schematic
cellType ← GetCellIconCore[cx];
name ← GetName[cx];
IF cellType=NIL
THEN {
IF name=NIL THEN name ← CDNameToCTName[CDDirectory.Name[icon], ".icon"];
cellType ← CoreOps.CreateCellType[class: CoreClasses.unspecifiedCellClass, public: iconCT.public, name: name];
}
ELSE {
IF name=NIL THEN name ← CoreOps.GetCellTypeName[cellType];
IF name=NIL THEN name ← CDNameToCTName[CDDirectory.Name[icon], ".icon"];
cellType ← CreateIcon[cellType: cellType, name: name];
};
We smash the pins decoration that could sit on cellType
[] ← CoreOps.VisitWireSeq[cellType.public, SmashPins];
CoreGeometry.PutIR[mode.decoration, cellType, CoreGeometry.GetIR[mode.decoration, iconCT]];
Check public
IF NOT CheckAndDecorate[icon, iconCT.public, cellType.public, GetGlobalNames[cx]] THEN {
PW.WriteF["*** Error: icon public and schematic public for cell icon %g do NOT conform\n", IO.rope[CDDirectory.Name[icon]]];
PW.WriteF["Icon public is:"];
CoreOps.PrintWire[wire: iconCT.public, out: TerminalIO.TOS[], level: LAST [NAT]];
PW.WriteF["\nSchematic public is:"];
CoreOps.PrintWire[wire: cellType.public, out: TerminalIO.TOS[], level: LAST [NAT]];
PW.WriteF["\n"];
ERROR
}
};
This proc is called for wire icons. If a core definition is found it is returned, otherwise an error is signalled. As for cell icons, pins provide the attatchment points to the wire.
ExtractWireIcon: PROC [icon: Object, cx: Context] RETURNS [result: Wire] = {
iconCT: CellType ← NARROW [Sinix.ExtractCell[icon, mode, NIL, cx].result];
result ← GetWireIconCore[cx];
IF result=NIL THEN ERROR;
Check wire
IF iconCT.public.size=1 THEN {
special case
CoreGeometry.PutPins[mode.decoration, result, CoreGeometry.GetPins[mode.decoration, iconCT.public[0]]];
RETURN;
};
IF ~CheckAndDecorate[icon, iconCT.public, CoreOps.CreateWire[LIST [result]]] THEN {
PW.WriteF["*** Error: icon wire and result wire for wire icon %g don't conform\n", IO.rope[CDDirectory.Name[icon]]];
PW.WriteF["Icon wire is:"];
CoreOps.PrintWire[wire: iconCT.public, out: TerminalIO.TOS[], level: LAST [NAT]];
PW.WriteF["\nResult wire is:"];
CoreOps.PrintWire[wire: result, out: TerminalIO.TOS[], level: LAST [NAT]];
PW.WriteF["\n"];
ERROR
}
};
Context Handling Procedures
InitLocalVariables: PUBLIC PROC [cx: Context, obj: Object] = {
IF cx=NIL THEN ERROR;
Store[cx, cellIconRope, NEW [CellType ← NIL]];
Store[cx, wireIconRope, NEW [Wire ← NIL]];
Store[cx, wireRope, NEW [Wire ← NIL]];
Store[cx, nameRope, NEW [ROPENIL]];
Store[cx, corePropsRope, NEW [Core.Properties ← NIL]];
Store[cx, coreInstPropsRope, NEW [Core.Properties ← NIL]];
Store[cx, cdObjRope, NEW [Object ← obj]]
};
Create: PUBLIC PROC [design: CD.Design, previousCx: Context ← NIL] RETURNS [cx: Context] = {
cx ← IF previousCx=NIL THEN SymTab.Create[] ELSE Copy[previousCx];
Store[cx, designRope, NEW [CD.Design ← design]];
Insert[cx, globalNamesRope, NEW [ROPES ← defaultGlobalNames]];
Store[cx, "&", NEW [INT ← 0]];
FOR exprs: ROPESNARROW [CDProperties.GetDesignProp[design, expressionsProp]], exprs.rest WHILE exprs#NIL DO
Eval[cx, exprs.first];
ENDLOOP;
FOR satellites: ROPES ← CDSatellites.GetSatelliteRopes[design], satellites.rest WHILE satellites#NIL DO
Eval[cx, satellites.first];
ENDLOOP;
InitLocalVariables[cx, NIL];
};
Copy: PUBLIC PROC [cx: Context] RETURNS [newCx: Context] = {
CopyItem: SymTab.EachPairAction = {
tv: AMTypes.TVNARROW[val];
[] ← SymTab.Store[newCx, key, AMTypes.Copy[tv]]; quit ← FALSE};
IF cx=NIL THEN ERROR;
newCx ← SymTab.Create[];
[] ← SymTab.Pairs[cx, CopyItem];
};
Insert: PUBLIC PROC [cx: Context, var: ROPE, value: REFNIL] = {
[] ← SymTab.Insert[cx, var, TVFromRef[value]];
};
Store: PUBLIC PROC [cx: Context, var: ROPE, value: REFNIL] = {
[] ← SymTab.Store[cx, var, TVFromRef[value]];
};
Eval: PUBLIC PROC [cx: Context, expr: ROPE, cedarCx: AMModel.Context ← NIL] = TRUSTED {
result: AMTypes.TV;
errorRope: ROPE;
noResult: BOOL;
IF cedarCx=NIL THEN cedarCx ← AMModelBridge.ContextForFrame[
AMBridge.TVForFrame[
PrincOpsUtils.GetReturnFrame[]
]
];
[result, errorRope, noResult] ← Interpreter.Evaluate[rope: expr, context: cedarCx, symTab: cx];
IF errorRope=NIL THEN RETURN;
SIGNAL InterpreterError[cx, expr, errorRope];
ERROR;
};
ContextEqual: PROC [cx1, cx2: Context, parmNames: ROPES] RETURNS [BOOL] = {
Returns FALSE iff a is a subset of b
IsDifferent: PROC [a, b: Context] RETURNS [BOOL] = {
CheckAbsentInb: SymTab.EachPairAction = {
found: BOOL;
bVal: SymTab.Val;
If its a local variable then return right away
IF RopeList.Memb[localVariablesRopes, key] THEN RETURN [FALSE];
If its not a parameter then return right away also
IF parmNames#NIL AND NOT RopeList.Memb[parmNames, key] THEN RETURN [FALSE];
It is a parameter. Check if its there in the context and equal
[found, bVal] ← SymTab.Fetch[b, key];
IF ~found THEN RETURN [TRUE];
IF AMTypes.TVEqual[bVal, val] THEN RETURN [FALSE];
IF Rope.Equal[key, globalNamesRope] THEN RETURN [NOT EqualRopes[NARROW [RefFromTV[bVal], REF ROPES]^, NARROW [RefFromTV[val], REF ROPES]^]];
RETURN [TRUE];
};
RETURN [SymTab.Pairs[a, CheckAbsentInb]];
};
RETURN [cx1=cx2 OR (NOT IsDifferent[cx1, cx2] AND NOT IsDifferent[cx2, cx1])]
};
ResultEqual: PROC [obj: Object, p1: CD.PropList, ud1: REF, p2: CD.PropList, ud2: REF] RETURNS [BOOL] = {
cx1: Context ← NARROW [ud1];
cx2: Context ← NARROW [ud2];
instArgs1: ROPESNARROW [CDProperties.GetListProp[p1, expressionsProp]];
satArgs1: ROPESNARROW [CDProperties.GetListProp[p1, Sinix.satellitesProp]];
instArgs2: ROPESNARROW [CDProperties.GetListProp[p2, expressionsProp]];
satArgs2: ROPESNARROW [CDProperties.GetListProp[p2, Sinix.satellitesProp]];
parmNames: ROPESNARROW [CDProperties.GetObjectProp[obj, parmNamesProp]];
Handle zero parameters as a special case
IF parmNames#NIL AND Rope.Equal[parmNames.first, "0"] THEN RETURN [TRUE];
RETURN [EqualRopes[instArgs1, instArgs2] AND EqualRopes[satArgs1, satArgs2] AND ContextEqual[cx1, cx2, parmNames]];
};
Icon class
iconClass: PUBLIC Core.CellClass ← CoreOps.SetClassPrintProc[NEW [Core.CellClassRec ← [name: "Icon", recast: RecastIcon, layersProps: TRUE]], PrintIcon];
CreateIcon: PUBLIC PROC [cellType: CellType, name: ROPENIL, props: Core.Properties ← NIL] RETURNS [icon: CellType] = {
icon ← CoreOps.CreateCellType[
class: iconClass,
public: CoreOps.CopyWire[cellType.public],
data: cellType,
name: name,
props: props];
};
RecastIcon: Core.RecastProc = {new ← NARROW [me.data]};
PrintIcon: CoreOps.PrintClassProc = {
ct: CellType ← NARROW [data];
CoreOps.PrintIndent[indent, out];
out.PutF["Icon of `%g':\n", IO.rope[CoreOps.GetCellTypeName[ct]]];
CoreOps.PrintCellType[cellType: ct, out: out, indent: indent, level: level];
};
Conveniences
EqualRopes: PUBLIC PROC [ropes1, ropes2: ROPES] RETURNS [BOOL] = {
FOR r1: ROPES ← ropes1, r1.rest WHILE r1#NIL DO
IF NOT RopeList.Memb[ropes2, r1.first] THEN RETURN [FALSE];
ENDLOOP;
FOR r2: ROPES ← ropes2, r2.rest WHILE r2#NIL DO
IF NOT RopeList.Memb[ropes1, r2.first] THEN RETURN [FALSE];
ENDLOOP;
RETURN [TRUE];
};
Cons: PUBLIC PROC [r: ROPE, lor: ROPES] RETURNS [ROPES] = {
RETURN [CONS [r, lor]];
};
List: PUBLIC PROC [r1, r2, r3, r4, r5, r6: ROPENIL] RETURNS [lor: ROPESNIL] = {
IF r6#NIL THEN lor ← CONS [r6, lor];
IF r5#NIL THEN lor ← CONS [r5, lor];
IF r4#NIL THEN lor ← CONS [r4, lor];
IF r3#NIL THEN lor ← CONS [r3, lor];
IF r2#NIL THEN lor ← CONS [r2, lor];
IF r1#NIL THEN lor ← CONS [r1, lor];
};
Utilities for the implementation
EvaluateResult: PROC [cx: Context, resultRope: ROPE] = {
IF resultRope=NIL THEN RETURN;
SpeedUp Hack -- avoids evaluating expressions containing ExtractSchematicByName
IF Rope.Match["cI ← ES[\"*\", cx]", resultRope]
THEN {
pos1: INT ← Rope.Find[s1: resultRope, s2: "\""];
pos2: INT ← Rope.Find[s1: resultRope, s2: "\"", pos1: pos1+1];
name: ROPE ← Rope.Substr[resultRope, pos1+1, pos2-pos1-1];
Store[cx, cellIconRope, NEW [CellType ← ES[name, cx]]];
RETURN
};
Eval[cx, resultRope];
};
CheckAndDecorate: PROC [icon: Object, drawnPublic, resultPublic: Wire, globalNames: ROPESNIL] RETURNS [ok: BOOLTRUE] = {
iconName: ROPE = CDDirectory.Name[icon];
resultToDrawn: HashTable.Table ← HashTable.Create[]; -- associates resultPublic to drawnPublic
Construct the association by searching in resultPublic for every name found in drawnPublic
FOR i: NAT IN [0 .. drawnPublic.size) DO
EachResultWire: CoreOps.EachWireProc = {
resultName: ROPE ← CoreOps.GetShortWireName[wire];
IF NOT Rope.Equal[resultName, drawnName] THEN RETURN;
IF wire=resultWire THEN RETURN;
IF resultWire#NIL THEN {PW.WriteF["*** Cell %g: Drawn Icon has a wire %g whose name appears more than once in the schematic\n", IO.rope[iconName], IO.rope[drawnName]]; quit ← TRUE; ok ← FALSE; RETURN};
resultWire ← wire;
};
drawnWire: Wire ← drawnPublic[i];
drawnName: ROPE ← CoreOps.GetShortWireName[drawnWire];
resultWire: Wire ← NIL;
IF drawnName=NIL THEN {PW.WriteF["*** Cell %g: Drawn Icon has an unnamed wire\n", IO.rope[iconName]]; ok ← FALSE; LOOP};
IF CoreOps.VisitWire[resultPublic, EachResultWire] THEN LOOP;
IF resultWire=NIL THEN {PW.WriteF["*** Cell %g: Drawn Icon has wire %g that doesn't correspond to any wire in the schematic\n", IO.rope[iconName], IO.rope[drawnName]]; ok ← FALSE; LOOP};
We decorate the resultWire with the pins of drawnWire
CoreGeometry.PutPins[mode.decoration, resultWire, CoreGeometry.GetPins[mode.decoration, drawnWire]];
[] ← HashTable.Store[resultToDrawn, resultWire, drawnWire];
ENDLOOP;
Ensure that each resultPublic corresponds to some iconic Wire (apart may be from the wires in globalNames). Warning only for those.
FOR i: NAT IN [0 .. resultPublic.size) DO
resultWire: Wire ← resultPublic[i];
resultName: ROPE ← CoreOps.GetShortWireName[resultWire];
drawnWire: Wire ← NARROW [HashTable.Fetch[resultToDrawn, resultWire].value];
IF resultName=NIL THEN LOOP;
IF drawnWire#NIL THEN LOOP;
IF RopeList.Memb[globalNames, resultName] THEN LOOP;
PW.WriteF["*** Warning in Cell %g: schematic has wire %g that corresponds to no wire in the drawn Icon\n", IO.rope[iconName], IO.rope[resultName]];
ENDLOOP;
};
MarkInvisibleInstances: CDEvents.EventProc = {
MarkForEachCell: CDDirectory.EachEntryAction = {
IF CDCells.IsCell[ob] THEN {
cellPtr: CD.CellPtr ← NARROW [ob.specificRef];
All this code is there only to be backward compatible. To be deleted soon
FOR l: LIST OF CD.Instance ← cellPtr.contents, l.rest WHILE l#NIL DO
IF CDProperties.GetListProp[l.first.properties, ignoreMeProp]#NIL
THEN {CDProperties.PutProp[l.first, mode.extractProcProp, $ExtractNull]; CDProperties.PutProp[l.first, ignoreMeProp, NIL]};
ENDLOOP;
}
};
IF design=NIL THEN RETURN; -- design is sometimes NIL!!
[] ← CDDirectory.Enumerate[design, MarkForEachCell];
};
ProcessGlobalName: PROC [record: CellType, name: ROPE] = {
globals: Wires;
ReplaceSeq: PROC [old: WireSeq] RETURNS [new: WireSeq] = {
new ← old;
FOR i: NAT IN [0 .. old.size) DO new[i] ← Replace[old[i]] ENDLOOP;
};
Replace: PROC [old: Wire] RETURNS [new: Wire] = {
IF old.size#0 THEN RETURN [ReplaceSeq[old]];
RETURN [IF CoreOps.Member[globals, old] THEN global ELSE old];
};
ReplaceAndCleanSeq: PROC [old: WireSeq] RETURNS [new: WireSeq] = {
news: Wires ← LIST [global];
FOR i: NAT IN [0 .. old.size) DO
new ← Replace[old[i]];
IF NOT CoreOps.Member[news, new] THEN news ← CONS [new, news];
ENDLOOP;
new ← CoreOps.CreateWire[news];
};
InsertGlobal: PROC [wire: Wire] = {
IF wire.size#0 THEN SIGNAL GlobalNonAtomic[record, name, wire];
IF NOT CoreOps.Member[globals, wire] THEN globals ← CONS [wire, globals];
};
FindGlobals: CoreOps.EachWirePairProc = {
actualName: ROPE = CoreOps.GetShortWireName[actualWire];
publicName: ROPE = CoreOps.GetShortWireName[publicWire];
IF NOT Rope.Equal[publicName, name] THEN RETURN; -- not a sub global candidate
IF actualName=NIL OR Rope.Equal[actualName, name] THEN InsertGlobal[actualWire];
};
FindWire: CoreOps.EachWireProc = {
IF Rope.Equal[CoreOps.GetShortWireName[wire], name] THEN InsertGlobal[wire];
};
rct: CoreClasses.RecordCellType = NARROW [record.data];
global: Wire;
FOR i: NAT IN [0..rct.size) DO
[] ← CoreOps.VisitBindingSeq[rct[i].actual, rct[i].type.public, FindGlobals];
ENDLOOP;
[] ← CoreOps.VisitWireSeq[rct.internal, FindWire];
IF globals=NIL THEN RETURN;
global ← CoreOps.SetShortWireName[globals.first, name];
globals ← globals.rest;
record.public ← ReplaceAndCleanSeq[record.public];
rct.internal ← ReplaceAndCleanSeq[rct.internal];
FOR i: NAT IN [0..rct.size) DO rct[i].actual ← ReplaceSeq[rct[i].actual] ENDLOOP;
WHILE globals#NIL DO
Sinix.FuseProperties[mode, globals.first, global, CoreOps.GetCellTypeName[record]];
globals ← globals.rest;
ENDLOOP;
};
Touch: CoreGeometry.TouchProc = {
IF instance1.ob.class#CDRects.bareRectClass OR instance2.ob.class#CDRects.bareRectClass THEN ERROR; -- the only thing we know is Rectangles!
IF ~SilTouchRect[CDInstances.InstRectO[instance1], CDInstances.InstRectO[instance2]] THEN RETURN;
RETURN [CDLayers.AbstractToPaint[instance1.ob.layer]=CDLayers.AbstractToPaint[instance2.ob.layer]];
};
SilTouchRect: PROC [r1, r2: CD.Rect] RETURNS [BOOL] = INLINE {
Intersect: PROC [i1min, i1max, i2min, i2max: CD.Number] RETURNS [BOOL] = INLINE {
RETURN [(i1max >= i2min) AND (i2max >= i1min)];
};
Adjoin: PROC [i1min, i1max, i2min, i2max: CD.Number] RETURNS [BOOL] = INLINE {
RETURN [(i2min >= i1min AND i2min <= i1max AND i2max >= i1max) OR
(i1min >= i2min AND i1min <= i2max AND i1max >= i2max)];
};
RETURN [(Intersect[r1.x1, r1.x2, r2.x1, r2.x2] AND Adjoin[r1.y1, r1.y2, r2.y1, r2.y2]) OR (Intersect[r1.y1, r1.y2, r2.y1, r2.y2] AND Adjoin[r1.x1, r1.x2, r2.x1, r2.x2])]
};
GetCoreProps: PROC [cx: Context] RETURNS [Core.Properties] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, corePropsRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Core.Properties]^]
ELSE ERROR
};
GetCoreInstProps: PROC [cx: Context] RETURNS [Core.Properties] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, coreInstPropsRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Core.Properties]^]
ELSE ERROR
};
GetCellIconCore: PROC [cx: Context] RETURNS [Core.CellType] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, cellIconRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Core.CellType]^]
ELSE ERROR
};
GetWireIconCore: PROC [cx: Context] RETURNS [Core.Wire] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, wireIconRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Core.Wire]^]
ELSE ERROR
};
GetWireCore: PROC [cx: Context] RETURNS [Core.Wire] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, wireRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Core.Wire]^]
ELSE ERROR
};
GetName: PROC [cx: Context] RETURNS [ROPE] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, nameRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF ROPE]^]
ELSE ERROR
};
GetDesign: PUBLIC PROC [cx: Context] RETURNS [CD.Design] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, designRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF CD.Design]^]
ELSE ERROR
};
GetGlobalNames: PUBLIC PROC [cx: Context] RETURNS [ROPES] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, globalNamesRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF ROPES]^]
ELSE ERROR
};
GetCDObj: PUBLIC PROC [cx: Context] RETURNS [Object] = {
found: BOOL;
ref: SymTab.Val;
[found, ref] ← SymTab.Fetch[cx, cdObjRope];
IF found
THEN RETURN [NARROW [RefFromTV[ref], REF Object]^]
ELSE ERROR
};
RefFromTV: PROC [tv: REF] RETURNS [REF] = {
IF tv=NIL THEN RETURN [NIL];
IF ~ISTYPE [tv, AMTypes.TV] THEN ERROR;
TRUSTED {RETURN [AMBridge.SomeRefFromTV[tv]]};
};
TVFromRef: PROC [ref: REF] RETURNS [AMTypes.TV] = TRUSTED {
RETURN [AMBridge.TVForReferent[ref]];
};
PutCoreProps: PROC [onto, from: Core.Properties] RETURNS [new: Core.Properties] = {
PutProp: PROC [prop: ATOM, val: REF ANY] = {
new ← CoreProperties.PutProp[new, prop, val];
};
new ← onto;
CoreProperties.Enumerate[from, PutProp];
};
CDNameToCTName: PROC [cdName, dropPart: ROPE] RETURNS [ctName: ROPE] = {
ctName ← Rope.Substr[cdName, 0, Rope.Index[cdName, 0, dropPart]];
};
DefaultUserData: PROC [design: CD.Design] RETURNS [REF] ~ {
RETURN [Create[design]];
};
Exceptions
GlobalNonAtomic: PUBLIC SIGNAL [record: CellType, name: ROPE, wire: Wire] = CODE;
InterpreterError: PUBLIC SIGNAL [cx: Context, expr, errorRope: ROPE] = CODE;
Semi-public Utilities
IsResultExpression: PUBLIC PROC [expr: ROPE] RETURNS [BOOL] = {
RETURN [
Rope.Match["*cI*←*", expr] OR
Rope.Match["*wI*←*", expr] OR
Rope.Match["*wire*←*", expr]
]
};
EvaluateParameters: PUBLIC PROC [userData: REF, obj: Object, properties: CD.PropList] RETURNS [cx: Context, resultRope: ROPE] = {
EvalExprs: PROC [exprs: ROPES, inst: BOOL] = {
seenResult: BOOLFALSE;
WHILE exprs#NIL DO
expr: ROPE ← exprs.first;
SELECT TRUE FROM
Rope.Find[s1: expr, s2: "←"] # -1 => {
SELECT TRUE FROM
IsResultExpression[expr] => {
IF seenResult THEN {PW.WriteF["*** Error: multiple result expressions encountered\n"]; ERROR};
seenResult ← TRUE;
resultRope ← expr;
};
inst AND Rope.Match["*name*←*", expr] => {
expr ← Rope.Replace[expr, Rope.Find[expr, "name"], 4, "&"];
Eval[cx, expr];
Store[cx, coreInstPropsRope, NEW [Core.Properties ← CoreProperties.PutProp[GetCoreInstProps[cx], CoreOps.nameProp, NARROW [RefFromTV[SymTab.Fetch[cx, "&"].val], REF ROPE]^]]];
};
ENDCASE => Eval[cx, expr]
};
Rope.Find[s1: expr, s2: ":"] # -1 => {
atomRope: ROPE ← Rope.Substr[expr, 0, Rope.Find[s1: expr, s2: ":"]];
valueRope: ROPE ← Rope.Substr[expr, 1+Rope.Find[s1: expr, s2: ":"]];
IF inst
THEN expr ← Rope.Cat["coreInstProps ← CoreProperties.PutProp[coreInstProps, $", atomRope, ", ", valueRope, "]"]
ELSE expr ← Rope.Cat["coreProps ← CoreProperties.PutProp[coreProps, $", atomRope, ", ", valueRope, "]"];
Eval[cx, expr]
};
ENDCASE => {
IF inst
THEN {
previousProps: Core.Properties ← GetCoreInstProps[cx];
previousName: ROPENARROW [CoreProperties.GetProp[previousProps, CoreOps.nameProp]];
IF previousName#NIL AND NOT Rope.Equal[previousName, expr] THEN {
PW.WriteF["*** Error in object '%g': Conflicting names '%g' and '%g' [probably two satellites].\n", IO.rope[CDDirectory.Name[obj]], IO.rope[previousName], IO.rope[expr]]; ERROR;
};
Store[cx, coreInstPropsRope, NEW [Core.Properties ← CoreProperties.PutProp[previousProps, CoreOps.nameProp, expr]]];
}
ELSE Store[cx, nameRope, NEW [ROPE ← expr]]
};
exprs ← exprs.rest;
ENDLOOP;
};
cx ← Copy[NARROW [userData]];
CDSequencer.CheckAborted[GetDesign[cx]];
InitLocalVariables[cx, obj];
EvalExprs[NARROW [CDProperties.GetObjectProp[obj, expressionsProp]], FALSE];
EvalExprs[NARROW [CDProperties.GetObjectProp[obj, Sinix.satellitesProp]], FALSE];
EvalExprs[NARROW [CDProperties.GetListProp[properties, expressionsProp]], TRUE];
EvalExprs[NARROW [CDProperties.GetListProp[properties, Sinix.satellitesProp]], TRUE];
};
ProcessGlobalNames: PUBLIC PROC [record: CellType, cx: Context] = {
FOR names: ROPES ← GetGlobalNames[cx], names.rest WHILE names#NIL DO
ProcessGlobalName[record, names.first];
ENDLOOP;
};
Module Initialization
Sinix.RegisterExtractProc[$SisyphExtractSchematic, ExtractSchematic];
Sinix.RegisterExtractProc[$SisyphExtractWire, ExtractWire];
Sinix.RegisterExtractProc[$SisyphExtractImport, ExtractImport];
CDProperties.PutProp[CDCells.cellClass, mode.extractProcProp, $SisyphExtractSchematic];
CDProperties.PutProp[CDRects.bareRectClass, mode.extractProcProp, $SisyphExtractWire];
CDProperties.PutProp[CDTexts.textClass, mode.extractProcProp, $ExtractNull];
CDProperties.PutProp[CDImports.importsClass, mode.extractProcProp, $SisyphExtractImport];
CDEvents.RegisterEventProc[$AfterInput, MarkInvisibleInstances];
END.