DIRECTORY
Asserting USING [Assertions, Terms, Assert, AssertFn, AssertFn1, FnVal],
Atom, Basics, BasicTime, Buttons, Containers, FS, HashTable, Icons, IO, LichenDataStructure, LichenDataOps, LichenSetTheory, List, PieViewers, Process, ProcessProps, RedBlackTree, RefText, Rope, RopeHash, ViewerClasses, ViewerOps, ViewerTools;

LichenFromExt: CEDAR MONITOR
LOCKS dr USING dr: DesignReading
IMPORTS Asserting, Atom, BasicTime, Buttons, Containers, FS, HashTable, Icons, IO, LichenDataStructure, LichenDataOps, LichenSetTheory, List, PieViewers, Process, ProcessProps, RedBlackTree, RefText, Rope, RopeHash, ViewerOps, ViewerTools

= BEGIN OPEN Asserting, LichenDataStructure, LichenDataOps, LichenSetTheory;

REFTEXT: TYPE = REF TEXT;

Viewer: TYPE = ViewerClasses.Viewer;

Source: TYPE = RECORD [stream: IO.STREAM _ NIL, name: ROPE _ NIL];

Reader: TYPE = REF ReaderRep;
ReaderRep: TYPE = RECORD [
keyword: ROPE,
read: PROC [s: Source, reader: Reader, cr: CellReading],
data: REF ANY];

readers: Mapper _ CreateHashDictionary[TRUE];

DesignReading: TYPE = REF DesignReadingRep;
DesignReadingRep: TYPE = MONITORED RECORD [
design: Design,
wDir: ROPE,
cellTypesByName: Mapper,
fetTypes: HashTable.Table,
unkosherArrays: Set,
toMerge: RedBlackTree.Table,
mostRecentPathToMerge: Path _ NIL,
buffer: REFTEXT,
pacifier, pie, label, pause: Viewer,
lastPacify: BasicTime.Pulses,
stop: BOOL _ FALSE,
change: CONDITION];

undefinedINT: INT = FIRST[INT];

CellReading: TYPE = REF CellReadingRep;
CellReadingRep: TYPE = RECORD [
dr: DesignReading,
ct: CellType,
name: ROPE,
resistClasses: INT _ undefinedINT,
rScale: REAL--ohms-- _ 1.0E-3,
cScale: REAL--farads-- _ 1.0E-18,
lUnits: REAL--meters-- _ 1.0E-8,
scalingDefined: BOOL _ FALSE,
fetCount: INT _ 0
];

Path: TYPE = LIST OF REF ANY--UNION [ROPE, REF Range2]--;

VertexArray: TYPE = REF VertexArrayRep;
VertexArrayRep: TYPE = RECORD [
shape: Size2,
vertices: SEQUENCE length: NAT OF Vertex];

Use: TYPE = RECORD [childName: ROPE, as: ArraySpec];

ArraySpec: TYPE = RECORD [
variant: SELECT kind: * FROM
scalar => [],
array => [
range: Range2,
sep: Size2
]
ENDCASE];

FetTerminal: TYPE = RECORD [
name: ROPE,
length: INT,
attrs: Assertions];

IntBox: TYPE = RECORD [xmin, ymin, xmax, ymax: INT];

Int2: TYPE = ARRAY Dim OF INT;

TransformAsTerms: TYPE = Terms;

PathPair: TYPE = REF PathPairPrivate;
PathPairPrivate: TYPE = RECORD [p1, p2: Path];

pacifierIcon: Icons.IconFlavor _ Icons.NewIconFromFile["Lichen.icons", 0];

labelHeight: INTEGER _ 15;
pauseWidth: INTEGER _ 75;

ReadDesign: PROC [rootCellFileName: ROPE, oldDR: DesignReading _ NIL] RETURNS [dr: DesignReading] =
BEGIN
Doit: PROC = {[] _ ReadCellType[dr.design, rootCellFileName, dr]};
IF oldDR = NIL THEN {
cp: FS.ComponentPositions;
fullFName, designName: ROPE;
[fullFName, cp, ] _ FS.ExpandName[rootCellFileName];
designName _ fullFName.Substr[start: cp.base.start, len: cp.base.length];
dr _ NEW [DesignReadingRep _ [
design: NEW [DesignPrivate _ [
cellTypes: CreateHashSet[],
other: Assert[nameReln, LIST[designName], NIL]
]],
wDir: fullFName.Substr[len: cp.base.start],
cellTypesByName: CreateHashDictionary[TRUE],
fetTypes: HashTable.Create[hash: HashFetType, equal: CompareFetTypes],
unkosherArrays: CreateHashSet[],
toMerge: RedBlackTree.Create[Id, ComparePaths],
buffer: RefText.New[200],
pacifier: Containers.Create[info: [name: designName.Cat[" pacifier"], icon: pacifierIcon]],
pie: NIL,
label: NIL,
pause: NIL,
lastPacify: BasicTime.GetClockPulses[] - pacifyPulses
]];
TRUSTED {
Process.InitializeCondition[@dr.change, Process.SecondsToTicks[60]];
Process.EnableAborts[@dr.change]};
dr.pause _ Buttons.Create[info: [name: "Pause", parent: dr.pacifier, wx: 0, wy: 0, ww: pauseWidth, wh: labelHeight], proc: TogglePause, clientData: dr];
dr.label _ ViewerTools.MakeNewTextViewer[info: [parent: dr.pacifier, wx: dr.pause.wx+dr.pause.ww, wy: 0, ww: 100, wh: labelHeight]];
Containers.ChildXBound[container: dr.pacifier, child: dr.label];
dr.pie _ PieViewers.Create[parent: dr.pacifier, x: 0, y: dr.label.wy+dr.label.wh, diameter: 20, total: 1.0, divisions: 100];
ViewerOps.SetOpenHeight[dr.pacifier, dr.pie.wy+dr.pie.wh];
}
ELSE {
dr _ oldDR;
};
ProcessProps.PushPropList[List.PutAssoc[$WorkingDirectory, dr.wDir, NIL], Doit];
ViewerTools.SetContents[dr.label, "Idle"];
PieViewers.Set[dr.pie, 0];
END;

TogglePause: Buttons.ButtonProc = {
dr: DesignReading = NARROW[clientData];
Flip: ENTRY PROC [dr: DesignReading] = {
dr.stop _ NOT dr.stop;
BROADCAST dr.change};
Flip[dr];
Buttons.ReLabel[dr.pause, IF dr.stop THEN "Continue" ELSE "Pause"];
};

fromExtClass: CellClass _ NEW [CellClassPrivate _ []];

pacifyPulses: BasicTime.Pulses _ BasicTime.MicrosecondsToPulses[2500000];

ReadCellType: PROC [design: Design, cellFileName: ROPE, dr: DesignReading] RETURNS [ct: CellType] = {
cp: FS.ComponentPositions;
fullFName, cellTypeName: ROPE;
from: IO.STREAM;
s: Source;
cr: CellReading;
length: REAL;
[fullFName, cp] _ ExpandName[cellFileName, "ext"];
cellTypeName _ fullFName.Substr[start: cp.base.start, len: cp.base.length];
ct _ CreateCellType[design, dr, cellTypeName, TRUE, NIL, NIL];
cr _ NEW[CellReadingRep _ [dr: dr, ct: ct, name: cellTypeName]];
s _ [from _ FS.StreamOpen[fullFName], fullFName];
length _ INT[MAX[from.GetLength[], 1]];
DO
keyword: ROPE;
reader: Reader;
now: BasicTime.Pulses = BasicTime.GetClockPulses[];
Process.CheckForAbort[];
[] _ from.SkipWhitespace[];
IF from.EndOf[] THEN EXIT;
IF now-dr.lastPacify >= pacifyPulses THEN {
index: INT = from.GetIndex[];
dr.lastPacify _ now;
ViewerTools.SetContents[dr.label, IO.PutFR["%g[%g]", [rope[cellTypeName]], [integer[index]]]];
PieViewers.Set[dr.pie, index/length];
};
IF dr.stop THEN Wait[dr];
keyword _ from.GetTokenRope[TokenBreak].token;
reader _ NARROW[readers.Map[keyword]];
IF reader # NIL
THEN reader.read[s, reader, cr]
ELSE {
terms: Terms _ GetLineTerms[from];
reln: ATOM _ Atom.MakeAtom[keyword];
ct.otherPublic _ Assert[reln, terms, ct.otherPublic];
};
ENDLOOP;
IF dr.toMerge.Size[] # 0 THEN DoMerges[s, ct, dr];
ct.publicKnown _ TRUE;
ct.privateKnown _ TRUE;
from.Close[];
};

Wait: ENTRY PROC [dr: DesignReading] = {
WHILE dr.stop DO WAIT dr.change ENDLOOP};

GetLineTerms: PROC [from: IO.STREAM] RETURNS [terms: Terms] = {
tail: Terms _ terms _ NIL;
WHILE NOT from.EndOf[] DO
peek: CHAR _ from.PeekChar[];
SELECT peek FROM
'\n => {IF from.GetChar[] # peek THEN ERROR; RETURN};
IN [0C .. ' ] => IF from.GetChar[] # peek THEN ERROR;
ENDCASE => {
this: LORA _ LIST[from.GetRefAny[]];
IF tail = NIL THEN terms _ this ELSE tail.rest _ this;
tail _ this};
ENDLOOP;
};

ExpandName: PROC [fileName, defaultExtension: ROPE] RETURNS [fullFName: ROPE, cp: FS.ComponentPositions] = {
[fullFName, cp, ] _ FS.ExpandName[fileName];
IF defaultExtension.Length[] > 0 AND cp.ext.length = 0 THEN {
fileName _ FS.ConstructFName[[
server: fullFName.Substr[cp.server.start, cp.server.length],
dir: fullFName.Substr[cp.dir.start, cp.dir.length],
subDirs: fullFName.Substr[cp.subDirs.start, cp.subDirs.length],
base: fullFName.Substr[cp.base.start, cp.base.length],
ext: defaultExtension,
ver: fullFName.Substr[cp.ver.start, cp.ver.length]
]];
[fullFName, cp, ] _ FS.ExpandName[fileName];
};
};

GetName: PROC [s: Source] RETURNS [name: ROPE] = {
from: IO.STREAM = s.stream;
[] _ from.SkipWhitespace[];
SELECT from.PeekChar[] FROM
'" => name _ from.GetRopeLiteral[];
ENDCASE => name _ from.GetTokenRope[TokenBreak].token;
};

TokenBreak: PROC [char: CHAR] RETURNS [cc: IO.CharClass] =
{cc _ SELECT char FROM
'\n => break,
IN [0C .. ' ] => sepr,
ENDCASE => other};

EndLine: PROC [from: IO.STREAM, buffer: REFTEXT] = {
IF NOT from.EndOf[] THEN [] _ from.GetLine[buffer];
};

ReadTech: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
techname: ROPE _ GetName[s];
ct.otherPublic _ Assert[$tech, LIST[techname], ct.otherPublic];
EndLine[from, cr.dr.buffer];
};

ReadTimestamp: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
unixTime: INT _ from.GetInt[];
time: BasicTime.GMT _ BasicTime.Update[unixOrigin, unixTime];
ct.otherPublic _ Assert[$Source, LIST[cr.name.Cat[".mag"], IO.PutFR["%g", IO.time[time]]], ct.otherPublic];
EndLine[from, cr.dr.buffer];
};
unixOrigin: BasicTime.GMT _ BasicTime.Pack[[
year: 1970,
month: January,
day: 1,
hour: 0,
minute: 0,
second: 0,
zone: 0--GMT, I hope--,
dst: no]];

ReadVersion: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
version: ROPE _ GetName[s];
deriver: ROPE = "UCB's Magic .extractor";
ct.otherPublic _ Assert[$DerivingProgram, LIST[deriver, version], ct.otherPublic];
EndLine[from, cr.dr.buffer];
};

ReadScale: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
rscale: INT _ from.GetInt[];
cscale: INT _ from.GetInt[];
lscale: INT _ from.GetInt[];
meters: ROPE = "meters";
IF cr.scalingDefined THEN Warn[s, "More than one scale statment"];
cr.scalingDefined _ TRUE;
cr.rScale _ rscale * cr.rScale;
cr.cScale _ cscale * cr.cScale;
cr.lUnits _ lscale * cr.lUnits;
ct.otherPublic _ AssertFn[$scale, LIST[NEW[REAL_cr.lUnits], meters], ct.otherPublic];
EndLine[from, cr.dr.buffer];
};

ReadResistClasses: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
n: INT _ 0;
IF cr.resistClasses # undefinedINT THEN Warn[s, "More than one resistclasses statment"];
DO
token: ROPE = from.GetTokenRope[TokenBreak].token;
IF token.Equal["\n"] THEN EXIT;
n _ n + 1;
ENDLOOP;
cr.resistClasses _ n;
};

ReadNode: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
nodeName: ROPE = GetName[s];
R: INT = from.GetInt[];
C: INT = from.GetInt[];
x: INT = from.GetInt[];
y: INT = from.GetInt[];
ok: BOOL = SkipNTokens[from, cr.resistClasses*2, cr.dr.buffer];
attrs: Assertions = ReadAttrs[s];
nv: Wire = CreateWire[
containingCT: ct,
other:
Assert[nameReln, LIST[nodeName],
Assert[$R, LIST[NEW[REAL _ R*cr.rScale]],
Assert[$C, LIST[NEW[REAL _ C*cr.cScale]],
Assert[$locHint, LIST[NEW[INT_x], NEW[INT_y], $UnspecifiedLayer],
attrs ]]]]
];
EndLine[from, cr.dr.buffer];
};

ReadAttrs: PROC [s: Source, zeroNIL: BOOL _ FALSE] RETURNS [allTogetherNow: Assertions] = {
from: IO.STREAM = s.stream;
allTogetherNow _ NIL;
IF zeroNIL THEN {
[] _ from.SkipWhitespace[];
IF from.PeekChar[] = '0 THEN {
IF from.GetChar[] # '0 THEN ERROR;
RETURN};
};
DO
toke: ROPE _ from.GetTokenRope[AttrBreak !IO.EndOfStream => GOTO Dun].token;
attr: ROPE _ NIL;
IF toke.Equal[","] THEN {Warn[s, "Extra comma"]; LOOP};
IF toke.Equal["\n"] THEN GOTO Return;
IF NOT toke.Equal["\""] THEN EXIT;
from.Backup['"];
attr _ from.GetRopeLiteral[ !IO.Error, IO.EndOfStream => {Warn[s, "not a rope literal"]; CONTINUE}];
IF attr # NIL THEN allTogetherNow _ Assert[$attr, LIST[attr], allTogetherNow];
toke _ from.GetTokenRope[AttrBreak !IO.EndOfStream => EXIT].token;
IF toke.Equal["\n"] THEN GOTO Return;
IF NOT toke.Equal[","] THEN EXIT;
ENDLOOP;
EXITS
Return => s.stream.Backup['\n];
Dun => NULL;
};

AttrBreak: PROC [char: CHAR] RETURNS [cc: IO.CharClass] =
{cc _ SELECT char FROM ',, '\n, '" => break, ENDCASE => sepr};

ReadEquiv: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
EndLine[from, cr.dr.buffer];
};

ReadFet: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
type: ROPE _ GetName[s];
xl: INT _ from.GetInt[];
yl: INT _ from.GetInt[];
xh: INT _ from.GetInt[];
yh: INT _ from.GetInt[];
area: INT _ from.GetInt[];
perim: INT _ from.GetInt[];
sub: ROPE _ GetName[s];
GATE: FetTerminal _ GetFetTerminal[s];
T1: FetTerminal _ GetFetTerminal[s];
T2: FetTerminal _ GetFetTerminal[s];
sct: CellType;
tv: CellInstance;
DoTerm: PROC [portIndex: INT, ft: FetTerminal] = {
nv: Wire = GetNet[s, ct, ft.name];
Connect[tv, nv, portIndex];
};
sct _ GetFetType[cr.dr, type, [xl, yl, xh, yh], area, perim, T1.length+T2.length];
tv _ Instantiate[sct, ct, Assert[nameReln, LIST[IO.PutFR["Q%g", IO.int[cr.fetCount _ cr.fetCount + 1]]], NIL]];
DoTerm[0, GATE];
DoTerm[1, T1];
DoTerm[2, T2];
EndLine[from, cr.dr.buffer];
};

Connect: PROC [ci: CellInstance, wire: Wire, portIndex: INT] = {
[] _ AddEdge[vs: [cellward: ci, wireward: wire], port: ci.type.port.SubPort[portIndex]];
};

GetFetTerminal: PROC [s: Source] RETURNS [ft: FetTerminal] = {
from: IO.STREAM = s.stream;
ft.name _ GetName[s];
ft.length _ from.GetInt[];
ft.attrs _ ReadAttrs[s, TRUE];
};

GetFetType: PROC [dr: DesignReading, className: ROPE, innerGate: IntBox, area, perim, sumChannelLengths: INT] RETURNS [ct: CellType] = {
design: Design = dr.design;
ft: FetType = NEW [FetTypeRep _ [className, area, perim, sumChannelLengths]];
rft: FetType;
rft _ NARROW[dr.fetTypes.Fetch[ft].value];
IF rft = NIL THEN {
cellTypeName: ROPE = IO.PutFR["%g[%g,%g,%g]", IO.rope[ft.className], IO.int[ft.area], IO.int[ft.perim], IO.int[ft.twiceLength]];
Set: PROC [type, mode: ATOM] = {
ft.ct.otherPublic _ AssertFn1[$MOSFETFlavor, LIST[type, mode], ft.ct.otherPublic];
ft.ct.otherPublic _ AssertFn1[$EquivClass, Rope.Cat["MOSFET", Atom.GetPName[type], Atom.GetPName[mode]], ft.ct.otherPublic];
};
rft _ ft;
ft.ct _ CreateCellType[design, dr, cellTypeName, FALSE, AssertFn1[$MOSFETShape, LIST[NEW[REAL _ ft.twiceLength/2.0], NEW[REAL _ area*2.0/ft.twiceLength]], NIL], NIL];
FetPort[ft.ct.port];
SELECT TRUE FROM
className.Equal["nfet"] => Set[$n, $E];
className.Equal["pfet"] => Set[$p, $E];
ENDCASE => ERROR;
IF NOT dr.fetTypes.Insert[ft, ft] THEN ERROR;
};
ct _ rft.ct;
};

FetPort: PROC [fp: Port] = {
[] _ AddPort[[parent: fp, other: Assert[nameReln, LIST[R["gate"]], NIL]]];
[] _ AddPort[[parent: fp, other: Assert[nameReln, LIST[R["ch1"]], NIL]]];
[] _ AddPort[[parent: fp, other: Assert[nameReln, LIST[R["ch2"]], NIL]]];
};

R: PROC [r: ROPE] RETURNS [r2: ROPE] = INLINE {r2 _ r}--stupid goddam anachronism--;

FetType: TYPE = REF FetTypeRep;
FetTypeRep: TYPE = RECORD [
className: ROPE,
area, perim, twiceLength: INT,
ct: CellType _ NIL];

HashFetType: PROC [ra: REF ANY] RETURNS [hash: CARDINAL] --HashTable.HashProc-- = {
ft: FetType = NARROW[ra];
hash _ RopeHash.FromRope[ft.className];
hash _ (hash + 3*ft.area + 11*ft.perim + 101*ft.twiceLength) MOD 65536;
};

CompareFetTypes: PROC [r1, r2: REF ANY] RETURNS [equal: BOOL] --HashTable.EqualProc-- = {
k1: FetType = NARROW[r1];
k2: FetType = NARROW[r2];
equal _ k1.className.Equal[k2.className] AND k1.area = k2.area AND k1.perim = k2.perim AND k1.twiceLength = k2.twiceLength;
};

ReadUse: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
typeName: ROPE = GetName[s];
useId: ROPE = GetName[s];
ok: BOOL = SkipNTokens[from, 6, cr.dr.buffer];
u: Use = ParseUseDef[useId];
type: CellType = EnsureType[cr.dr, typeName, u.as, ct, u.childName];
ci: CellInstance = Instantiate[type, ct, Assert[nameReln, LIST[u.childName], NIL]];
EndLine[from, cr.dr.buffer];
};

ParseUseDef: PROC [useId: ROPE] RETURNS [u: Use] = {
in: IO.STREAM = IO.RIS[useId];
u.childName _ in.GetTokenRope[UseNameBreak].token;
IF in.EndOf[] THEN {
in.Close[];
RETURN [[u.childName, [scalar[]]]]
}
ELSE {
as: ArraySpec.array _ [array[range: ALL[[0, 0]], sep: [0, 0]]];
Get: PROC [d: Dim] = {
IF in.GetChar[] # '[ THEN ERROR;
as.range[d].min _ in.GetInt[];
IF in.GetChar[] # ': THEN ERROR;
as.range[d].maxPlusOne _ in.GetInt[]+1;
IF in.GetChar[] # ': THEN ERROR;
as.sep[d] _ in.GetInt[];
IF in.GetChar[] # '] THEN ERROR;
};
Get[Foo];
Get[Bar];
IF NOT in.EndOf[] THEN ERROR;
in.Close[];
RETURN [[u.childName, as]];
};
};

UseNameBreak: PROC [char: CHAR] RETURNS [cc: IO.CharClass] --IO.BreakProc-- = {
cc _ SELECT char FROM
'[, '], ': => break,
ENDCASE => other;
};

EnsureType: PROC [dr: DesignReading, typeName: ROPE, as: ArraySpec, parent: CellType, childName: ROPE] RETURNS [ct: CellType] = {
design: Design = dr.design;
WITH as SELECT FROM
x: ArraySpec.scalar => {
ct _ NARROW[dr.cellTypesByName.Map[typeName]];
IF ct = NIL THEN ct _ ReadCellType[design, typeName, dr];
};
x: ArraySpec.array => {
ec: ROPE = typeName.Cat[FmtAS[as]];
cellTypeName: ROPE = IO.PutFR["%g(%g.%g)", IO.rope[ec], IO.rope[CTName[parent]], IO.rope[childName]];
eltType: CellType _ EnsureType[dr, typeName, [scalar[]], NIL, NIL];
size: Size2 = RangeSize[x.range];
ct _ CreateArray[design, dr, cellTypeName, eltType, size, [1, 1], AssertFn1[$EquivClass, ec, NIL], AssertFn1[$ArraySpec, NEW [ArraySpec.array _ x], NIL]];
};
ENDCASE => ERROR;
};

RangeSize: PROC [r: Range2] RETURNS [s: Size2] = {
s _ [
Foo: r[Foo].maxPlusOne-r[Foo].min,
Bar: r[Bar].maxPlusOne-r[Bar].min]
};

NameElt: PROC [i: INT] RETURNS [eltName: ROPE] =
{eltName _ IO.PutFR["[%g]", IO.int[i]]};

NameElt2: PROC [f, b: INT] RETURNS [eltName: ROPE] =
{eltName _ IO.PutFR["[%g, %g]", IO.int[f], [integer[b]]]};

FmtAS: PROC [as: ArraySpec] RETURNS [r: ROPE] = {
r _ WITH as SELECT FROM
scalar => "scalar",
array => IO.PutFLR["[%g:%g:%g][%g:%g:%g]", LIST[
IO.int[range[Foo].min],
IO.int[range[Foo].maxPlusOne-1],
IO.int[sep[Foo]],
IO.int[range[Bar].min],
IO.int[range[Bar].maxPlusOne-1],
IO.int[sep[Bar]]]],
ENDCASE => ERROR;
};

FmtShape: PROC [shape: Size2] RETURNS [r: ROPE] = {
r _ IO.PutFR["[Foo: %g, Bar: %g]", IO.int[shape[Foo]], IO.int[shape[Bar]]];
};

FmtPath: PROC [path: Path] RETURNS [r: ROPE] = {
r _ NIL;
FOR path _ path, path.rest WHILE path # NIL DO
step: ROPE _ WITH path.first SELECT FROM
x: ROPE => x,
x: REF Range2 => IO.PutFR["[%g:%g,%g:%g]", [integer[x[Foo].min]], [integer[x[Foo].maxPlusOne-1]], [integer[x[Bar].min]], [integer[x[Bar].maxPlusOne-1]]],
ENDCASE => ERROR;
r _ (IF r # NIL THEN r.Concat["/"] ELSE r).Concat[step];
ENDLOOP;
};

ReadMerge: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
name1: ROPE = GetName[s];
name2: ROPE = GetName[s];
path1: Path _ ParsePath[s, ct, name1];
path2: Path _ ParsePath[s, ct, name2];
IF PathCompare[path1, cr.dr.mostRecentPathToMerge]#equal THEN {
DoMerges[s, ct, cr.dr];
cr.dr.toMerge.Insert[path1, path1];
};
cr.dr.toMerge.Insert[path2, path2];
cr.dr.mostRecentPathToMerge _ path2;
EndLine[from, cr.dr.buffer];
};

DoMerges: PROC [s: Source, from: CellType, dr: DesignReading] = {
lastPath: Path _ NIL;
DoAMerge: PROC [data: REF ANY] RETURNS [stop: BOOL _ FALSE] --RedBlackTree.EachNode-- = {
path: Path = NARROW[data];
IF lastPath # NIL THEN MergeWork[s, dr, from, lastPath, path];
lastPath _ path;
};
dr.toMerge.EnumerateIncreasing[DoAMerge];
dr.toMerge.DestroyTable[];
dr.mostRecentPathToMerge _ NIL;
};

ParsePath: PROC [s: Source, from: CellType, asRope: ROPE] RETURNS [p: Path] = {
in: IO.STREAM = IO.RIS[asRope];
t: Path _ p _ NIL;
Append: PROC [ra: REF ANY] = {
this: Path _ LIST[ra];
IF t = NIL THEN p _ this ELSE t.rest _ this;
t _ this};
GetRange: PROC RETURNS [x: Range] = {
x.maxPlusOne _ (x.min _ in.GetInt[]) + 1;
SELECT in.PeekChar[] FROM
': => {
IF in.GetChar[] # ': THEN ERROR;
x.maxPlusOne _ in.GetInt[] + 1;
};
',, '] => NULL;
ENDCASE => ERROR;
};
WHILE NOT in.EndOf[] DO
toke: ROPE _ in.GetTokenRope[PathNameBreak].token;
ras: REF ArraySpec.array = NARROW[FnVal[$ArraySpec, from.otherPrivate]];
SELECT TRUE FROM
toke.Equal["/"] => LOOP;
toke.Equal["["] => {
food: BOOL = ras.range[Foo].min # ras.range[Foo].maxPlusOne-1;
bard: BOOL = ras.range[Bar].min # ras.range[Bar].maxPlusOne-1;
r2: Range2 _ ras.range;
twoD: BOOL _ FALSE;
IF NOT (food OR bard) THEN ERROR;
IF bard THEN r2[Bar] _ GetRange[] ELSE r2[Foo] _ GetRange[];
toke _ in.GetTokenRope[PathNameBreak].token;
SELECT TRUE FROM
toke.Equal["]"] => NULL;
toke.Equal[","] => {
twoD _ TRUE;
r2[Foo] _ GetRange[];
toke _ in.GetTokenRope[PathNameBreak].token;
IF NOT toke.Equal["]"] THEN ERROR;
};
ENDCASE => ERROR;
IF twoD # (food AND bard) THEN ERROR;
Append[NEW [Range2 _ r2]];
from _ from.asArray.eltType;
};
toke.Equal["]"] => ERROR;
toke.Equal[":"] => ERROR;
toke.Equal[","] => ERROR;
ENDCASE => {
Append[toke];
WITH LookupPart[from, toke] SELECT FROM
ci: CellInstance => from _ ci.type;
w: Wire => {IF NOT in.EndOf[] THEN ERROR; from _ NIL};
ENDCASE => ERROR;
};
ENDLOOP;
in.Close[];
};

PathNameBreak: PROC [char: CHAR] RETURNS [cc: IO.CharClass] --IO.BreakProc-- = {
cc _ SELECT char FROM
'[, '], ':, '/, ', => break,
ENDCASE => other;
};

SubType: PROC [ct: CellType, subscript: INT] RETURNS [sct: CellType] = {
ci: CellInstance = NARROW[LookupPart[ct, NameElt[subscript]]];
sct _ ci.type};

lowerConnections: BOOL _ FALSE;

MergeWork: PROC [s: Source, dr: DesignReading, ct: CellType, path1, path2: Path] = {
IF ct.asArray # NIL THEN ERROR;
IF path1.rest # NIL AND path2.rest # NIL THEN WITH path1.first SELECT FROM
x: ROPE => WITH path2.first SELECT FROM
y: ROPE => IF x.Equal[y] THEN {
ci: CellInstance = NARROW[LookupPart[ct, x]];
IF ci.type.asArray # NIL THEN {
IF ci.type.useCount # 1 THEN ERROR;
ArrayMerge[s, dr, ci, x, path1.rest, path2.rest];
RETURN
};
};
y: REF Range2 => ERROR;
ENDCASE => ERROR;
x: REF Range2 => ERROR;
ENDCASE => ERROR;
MergeFinal[s, dr, ct, path1, path2];
};

ArrayMerge: PROC [s: Source, dr: DesignReading, arrayInstance: CellInstance, instanceName: ROPE, path1, path2: Path] = {
act: CellType = arrayInstance.type;
a: Array = act.asArray;
ras: REF ArraySpec.array = NARROW[FnVal[$ArraySpec, act.otherPrivate]];
et: CellType = a.eltType;
rr1: REF Range2 = NARROW[path1.first];
rr2: REF Range2 = NARROW[path2.first];
r1: Range2 = rr1^;
r2: Range2 = rr2^;
size: Size2 = RangeSize[r2];
xlate: Int2 = [-ras.range[Foo].min, -ras.range[Bar].min];
s1: Range2 = Range2Off[r1, xlate];
s2: Range2 = Range2Off[r2, xlate];
D: Int2 = Int2Sub[Range2Min[r2], Range2Min[r1]];
IF RangeSize[r1] # size THEN ERROR;
SELECT D[Foo] FROM
-1=> SELECT D[Bar] FROM
0 => MakeArrayConnection[act, Foo, s2, PortGet[et, path2.rest], PortGet[et, path1.rest]];
ENDCASE => ERROR;
0 => SELECT D[Bar] FROM
-1=> MakeArrayConnection[act, Bar, s2, PortGet[et, path2.rest], PortGet[et, path1.rest]];
0 => IF NOT PathEquiv[et, path1.rest, path2.rest] THEN {
q1: Path = CONS[instanceName, path1];
q2: Path = CONS[instanceName, path2];
FOR foo: INT IN [0 .. size[Foo]) DO
FOR bar: INT IN [0 .. size[Bar]) DO
foo1: INT = foo + r1[Foo].min;
bar1: INT = bar + r1[Bar].min;
foo2: INT = foo + r2[Foo].min;
bar2: INT = bar + r2[Bar].min;
rr1^ _ [[foo1, foo1+1], [bar1, bar1+1]];
rr2^ _ [[foo2, foo2+1], [bar2, bar2+1]];
MergeFinal[s, dr, arrayInstance.containingCT, q1, q2];
ENDLOOP;
ENDLOOP;
rr1^ _ r1;
rr2^ _ r2;
};
1 => MakeArrayConnection[act, Bar, s1, PortGet[et, path1.rest], PortGet[et, path2.rest]];
ENDCASE => ERROR;
1 => SELECT D[Bar] FROM
0 => MakeArrayConnection[act, Foo, s1, PortGet[et, path1.rest], PortGet[et, path2.rest]];
ENDCASE => ERROR;
ENDCASE => ERROR;
};

Range2Off: PROC [r: Range2, D: Int2] RETURNS [s: Range2] = {
s _ [
Foo: [min: r[Foo].min + D[Foo], maxPlusOne: r[Foo].maxPlusOne + D[Foo]],
Bar: [min: r[Bar].min + D[Bar], maxPlusOne: r[Bar].maxPlusOne + D[Bar]]
];
};

MergeFinal: PROC [s: Source, dr: DesignReading, ct: CellType, path1, path2: Path] = {
w1, w2, nw: Wire;
w1 _ PathGet[ct, path1];
w2 _ PathGet[ct, path2];
nw _ MergeNets[w1, w2].merged;
};

VAFetch: PROC [va: VertexArray, f, b: NAT] RETURNS [v: Vertex] = {
v _ va[f*va.shape[Bar]+b];
};

VAStore: PROC [va: VertexArray, f, b: NAT, v: Vertex] = {
va[f*va.shape[Bar]+b] _ v;
};

PathGet: PROC [from: CellType, path: Path] RETURNS [w: Wire] = {
WITH path.first SELECT FROM
r: ROPE => {
child: Vertex = LookupPart[from, r];
WITH child SELECT FROM
x: Wire => w _ x;
ci: CellInstance => {
childPort: Port = PortGet[ci.type, path.rest];
w _ FindTransitiveConnection[ci, childPort];
IF w = NIL THEN ERROR;
};
ENDCASE => ERROR;
};
x: REF Range2 => ERROR;
ENDCASE => ERROR;
};

PortGet: PROC [from: CellType, path: Path] RETURNS [port: Port] = {
WITH path.first SELECT FROM
x: REF Range2 => {
ras: REF ArraySpec.array = NARROW[FnVal[$ArraySpec, from.otherPrivate]];
a: Array = from.asArray;
eltPort: Port = PortGet[a.eltType, path.rest];
index: ArrayIndex = Int2Sub[Range2Min[x^], Range2Min[ras.range]];
FOR d: Dim IN Dim DO IF x[d].min+1 # x[d].maxPlusOne THEN ERROR ENDLOOP;
port _ GetArrayPort[a, index, eltPort];
IF port = NIL THEN {
port _ FullyAddPort[[parent: from.port]].port;
SetArrayPort[a, index, eltPort, port];
};
};
x: ROPE => {
child: Vertex = LookupPart[from, x];
WITH child SELECT FROM
w: Wire => IF path.rest # NIL THEN ERROR ELSE {
port _ PGet[from, w, NIL].port;
};
ci: CellInstance => IF path.rest = NIL THEN ERROR ELSE {
childPort: Port = PortGet[ci.type, path.rest];
w: Wire = FindTransitiveConnection[ci, childPort];
port _ PGet[from, w, NIL].port;
};
ENDCASE => ERROR;
};
ENDCASE => ERROR;
};

Range2Min: PROC [r2: Range2] RETURNS [min: Int2] = {
min _ [Foo: r2[Foo].min, Bar: r2[Bar].min]};

Int2Sub: PROC [a, b: Int2] RETURNS [c: Int2] = {
c _ [Foo: a[Foo]-b[Foo], Bar: a[Bar]-b[Bar]]};

WithTestRA: PROC [x: REF ANY] RETURNS [kind: ROPE] = {
WITH x SELECT FROM
ci: CellInstance => RETURN ["CellInstance"];
v: Vertex => RETURN ["Vertex"];
ENDCASE => RETURN ["ENDCASE"];
};

WithTestV: PROC [x: Vertex] RETURNS [kind: ROPE] = {
WITH x SELECT FROM
ci: CellInstance => RETURN ["CellInstance"];
v: Vertex => RETURN ["Vertex"];
ENDCASE => RETURN ["ENDCASE"];
};

PGet: PROC [ct: CellType, internal: Wire, ci: CellInstance] RETURNS [port: Port, external: Wire] = {
See: PROC [p: Port, v: Vertex] = {
IF IsMirror[NARROW[v]] THEN port _ p;
};
IF internal.containingCT # ct THEN ERROR;
internal.EnumerateTransitiveConnections[See];
IF port = NIL THEN {
[port, external] _ FullyAddPort[
[parent: ct.port, wire: internal, other: Assert[nameReln, LIST[Describe[internal, ct.asUnorganized.internalWire]], NIL]],
ci
];
}
ELSE IF ci # NIL THEN external _ FindTransitiveConnection[ci, port];
};

GetNet: PROC [s: Source, from: CellType, name: ROPE] RETURNS [w: Wire] = {
path: Path _ ParsePath[s, from, name];
w _ PathGet[from, path];
};

ReadCap: PROC [s: Source, reader: Reader, cr: CellReading] = {
ct: CellType = cr.ct;
from: IO.STREAM = s.stream;
EndLine[from, cr.dr.buffer];
};

SkipNTokens: PROC [from: IO.STREAM, n: INT, buffer: REFTEXT] RETURNS [ok: BOOL] = {
WHILE n > 0 DO
token: REFTEXT = from.GetToken[TokenBreak, buffer].token;
IF RefText.Equal[token, "\n"] THEN RETURN [FALSE];
n _ n - 1;
ENDLOOP;
ok _ TRUE;
};

Warn: PROC [s: Source, msg: ROPE, v1, v2, v3, v4, v5: IO.Value _ [null[]]] = {
IF s.name # NIL THEN msg _ IO.PutFR["At %g[%g]: %g", [rope[s.name]], [integer[s.stream.GetIndex[]]], [rope[msg]]];
msg _ IO.PutFR[msg, v1, v2, v3, v4, v5];
Log["%g", msg];
};

CreateArray: PROC [design: Design, dr: DesignReading, cellTypeName: ROPE, eltType: CellType, size, jointsPeriod: Size2, otherPublic, otherPrivate: Assertions _ NIL] RETURNS [ct: CellType] = {
nj: INT = jointsPeriod[Foo] * jointsPeriod[Bar];
a: Array = NEW [ArrayPrivate _ [
eltType: eltType,
prevArray: eltType.lastArray,
nextArray: NIL,
size: size,
joints: [CreateRefSeq[nj], CreateRefSeq[nj]],
jointsPeriod: jointsPeriod,
portConnections: CreateRefTable[],
porting: CreateRefTable[]
]];
InitializePorting: PROC [ep: Port] = {
[] _ a.porting.Store[ep, notPorted];
};
ct _ CreateCellType[design, dr, cellTypeName, FALSE, otherPublic, otherPrivate];
ct.asArray _ a;
IF a.prevArray # NIL THEN a.prevArray.asArray.nextArray _ ct ELSE eltType.firstArray _ ct;
eltType.lastArray _ ct;
eltType.useCount _ eltType.useCount + 1;
FOR i: INT IN [0 .. nj) DO FOR d: Dim IN Dim DO
a.joints[d][i] _ NEW [JointPrivate _ [
lowToHigh: CreateRefTable[],
highToLow: CreateRefTable[]
]];
ENDLOOP ENDLOOP;
EnumeratePorts[eltType, InitializePorting];
};

CreateCellType: PROC [design: Design, dr: DesignReading, cellTypeName: ROPE, internals: BOOL, otherPublic, otherPrivate: Assertions _ NIL] RETURNS [ct: CellType] = {
pbn: Mapper = CreateHashDictionary[TRUE];
ct _ NEW [CellTypePrivate _ [
class: fromExtClass,
designs: CreateHashSet[],
publicKnown: TRUE,
privateKnown: TRUE,
otherPublic: Assert[nameReln, LIST[cellTypeName], otherPublic],
otherPrivate: otherPrivate
]];
[] _ AddPort[[parent: ct]];
IF internals THEN {
iw: Wire;
ct.otherPrivate _ AssertFn1[partsByNameKey, pbn, ct.otherPrivate];
ct.asUnorganized _ NEW [UnorganizedPrivate _ [
containedInstances: CreateHashSet[]
]];
iw _ CreateWire[ct];
IF ct.asUnorganized.internalWire # iw THEN ERROR;
AddMirror[ct];
};
[] _ design.cellTypes.UnionSingleton[ct];
[] _ ct.designs.UnionSingleton[design];
IF dr.cellTypesByName.SetMapping[cellTypeName, ct] THEN ERROR;
};

LookupPart: PROC [ct: CellType, name: ROPE] RETURNS [v: Vertex] = {
pbn: Mapper = NARROW[FnVal[partsByNameKey, ct.otherPrivate]];
v _ NARROW[pbn.Map[name]];
};

CTName: PROC [cellType: CellType] RETURNS [name: ROPE] = {
name _ NARROW[FnVal[nameReln, cellType.otherPublic]];
};

PathEquiv: PROC [from: CellType, path1, path2: Path] RETURNS [equiv: BOOL] = {
WHILE path1 # NIL AND path2 # NIL DO
last: BOOL = path1.rest = NIL;
WITH path1.first SELECT FROM
r1: ROPE => WITH path2.first SELECT FROM
r2: ROPE => {
v1: Vertex = LookupPart[from, r1];
IF last THEN {
v2: Vertex = LookupPart[from, r2];
RETURN [v1 = v2]}
ELSE {
ci1: CellInstance = NARROW[v1];
IF NOT r1.Equal[r2] THEN RETURN [FALSE];
from _ ci1.type};
};
x2: REF Range2 => RETURN [FALSE];
ENDCASE => ERROR;
s1: REF Range2 => WITH path2.first SELECT FROM
r2: ROPE => RETURN [FALSE];
s2: REF Range2 => {
IF s1^ # s2^ THEN RETURN [FALSE] ELSE {
from _ from.asArray.eltType;
};
};
ENDCASE => ERROR;
ENDCASE => ERROR;
path1 _ path1.rest;
path2 _ path2.rest;
ENDLOOP;
equiv _ path1 = path2;
};

Id: PROC [data: REF ANY] RETURNS [ans: REF ANY] = {
ans _ data};

ComparePaths: PROC [k, data: REF ANY] RETURNS [c: Basics.Comparison] = {
k1: Path = NARROW[k];
k2: Path = NARROW[data];
c _ PathCompare[k1, k2]};

PathCompare: PROC [path1, path2: Path] RETURNS [c: Basics.Comparison] = {
DO
IF path1 = path2 THEN RETURN [equal];
IF path1 = NIL THEN RETURN [less];
IF path2 = NIL THEN RETURN [greater];
WITH path1.first SELECT FROM
r1: ROPE => WITH path2.first SELECT FROM
r2: ROPE => c _ r1.Compare[r2];
x2: REF Range2 => c _ less;
ENDCASE => ERROR;
s1: REF Range2 => WITH path2.first SELECT FROM
r2: ROPE => c _ greater;
s2: REF Range2 =>
IF (c _ IntCompare[s1[Foo].min, s2[Foo].min]) = equal THEN
IF (c _ IntCompare[s1[Foo].maxPlusOne, s2[Foo].maxPlusOne]) = equal THEN
IF (c _ IntCompare[s1[Bar].min, s2[Bar].min]) = equal THEN
c _ IntCompare[s1[Bar].maxPlusOne, s2[Bar].maxPlusOne];
ENDCASE => ERROR;
ENDCASE => ERROR;
IF c # equal THEN RETURN;
path1 _ path1.rest;
path2 _ path2.rest;
ENDLOOP;
};

PathPairEqual: PROC [k1, k2: REF ANY] RETURNS [equal: BOOL] = {
pp1: PathPair = NARROW[k1];
pp2: PathPair = NARROW[k2];
equal _ (PathCompare[pp1.p1, pp2.p1] = equal AND PathCompare[pp1.p2, pp2.p2] = equal) OR (PathCompare[pp1.p1, pp2.p2] = equal AND PathCompare[pp1.p2, pp2.p1] = equal);
};

HashPathPair: PROC [key: REF ANY] RETURNS [hash: CARDINAL] = {
pp: PathPair = NARROW[key];
hash _ HashPath[pp.p1] + HashPath[pp.p2];
};

HashPath: PROC [path: Path] RETURNS [hash: CARDINAL] = {
hash _ 0;
FOR path _ path, path.rest WHILE path # NIL DO
WITH path.first SELECT FROM
r: ROPE => hash _ hash + RopeHash.FromRope[r];
x: REF Range2 => hash _ hash + HashInt[x[Foo].min] + HashInt[x[Foo].maxPlusOne] + HashInt[x[Bar].min] + HashInt[x[Bar].maxPlusOne];
ENDCASE => ERROR;
ENDLOOP;
};

HashInt: PROC [i: INT] RETURNS [hash: CARDINAL] = {
ln: Basics.LongNumber = [li[i]];
hash _ ln.lowbits + ln.highbits;
};

IntCompare: PROC [i1, i2: INT] RETURNS [c: Basics.Comparison] = {
c _ SELECT i1 - i2 FROM
>0 => greater,
=0 => equal,
<0 => less,
ENDCASE => ERROR;
};

Lg: PROC [i: INT] RETURNS [lg: CARDINAL] = {
IF i < 0 THEN ERROR;
IF i = 0 THEN RETURN [0];
lg _ 1 + (SELECT i FROM
<=00000001H => 00,
<=00000002H => 01,
<=00000004H => 02,
<=00000008H => 03,
<=00000010H => 04,
<=00000020H => 05,
<=00000040H => 06,
<=00000080H => 07,
<=00000100H => 08,
<=00000200H => 09,
<=00000400H => 10,
<=00000800H => 11,
<=00001000H => 12,
<=00002000H => 13,
<=00004000H => 14,
<=00008000H => 15,
<=00010000H => 16,
<=00020000H => 17,
<=00040000H => 18,
<=00080000H => 19,
<=00100000H => 20,
<=00200000H => 21,
<=00400000H => 22,
<=00800000H => 23,
<=01000000H => 24,
<=02000000H => 25,
<=04000000H => 26,
<=08000000H => 27,
<=10000000H => 28,
<=20000000H => 29,
<=40000000H => 30,
ENDCASE => 31);
};

Register: PROC [keyword: ROPE, read: PROC [s: Source, reader: Reader, cr: CellReading], data: REF ANY _ NIL] = {
r: Reader _ NEW [ReaderRep _ [keyword, read, data]];
IF readers.SetMapping[keyword, r] THEN ERROR;
};

Start: PROC = {
Register["tech", ReadTech];
Register["timestamp", ReadTimestamp];
Register["version", ReadVersion];
Register["scale", ReadScale];
Register["resistclasses", ReadResistClasses];
Register["node", ReadNode];
Register["equiv", ReadEquiv];
Register["fet", ReadFet];
Register["use", ReadUse];
Register["merge", ReadMerge];
Register["cap", ReadCap];
};

Start[];

END.

LichenFromExt.Mesa
Last Edited by: Spreitzer, June 12, 1986 5:25:30 pm PDT
Consumes newline at end of line.
name1: ROPE _ GetName[s];
name2: ROPE _ GetName[s];
name1: ROPE _ GetName[s];
name2: ROPE _ GetName[s];
C: INT _ from.GetInt[];
Register["adjust", ReadAdjust];
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