DIRECTORY
Alloc: TYPE USING [Create, Chunkify, Destroy, Failure, Reset, TableInfo],
Ascii: TYPE USING [Lower],
BasicTime: TYPE USING [GMT, Now, Period, ToNSTime],
BcdBindDefs: TYPE USING [RelocHandle],
BcdComData: TYPE USING [aborted, bcdName, binderVersion, codeName, commandArgs, copyCode, copySymbols, currentName, debug, errors, errorStream, literals, logStream, nConfigs, nErrors, nExports, nImports, nModules, nPages, nWarnings, objectStamp, op, outputFile, outputFti, rootName, sourceName, sourceStream, sourceVersion, symbolName, table, textIndex, warnings],
BcdControlDefs: TYPE USING [BindRoot, BuildSemanticEntries, LoadRoot, WriteBcd, PrintBcd, PrintRelocations, PrintSemanticEntries, PrintTree],
BcdDefs: TYPE USING [BinderNTables, httype, MTNull, NullName, sstype, treetype, VersionStamp],
BcdErrorDefs: TYPE USING [Finalize, GetModule, GetSti, Initialize],
BcdFileDefs: TYPE USING [BuildFileTable, EraseFileTable],
BcdLiterals: TYPE USING [Create, Finalize, SealLiterals],
BcdParseData: TYPE,
BcdUtilDefs: TYPE USING [EnterFile, Init, Reset],
Commander: TYPE USING [Handle, Register],
CommandUtil: TYPE USING [Echo, Failed, GetNthPair, ListLength, PairList, Parse, SetExtension],
DebuggerSwap: TYPE USING [CallDebugger],
FileViewerOps: TYPE USING [WaitUntilSaved, ShowLog],
FS: TYPE USING [Close, Create, Delete, Error, ExpandName, nullOpenFile, Open, OpenFile, StreamFromOpenFile, FileInfo],
HashOps: TYPE USING [Finalize, Initialize],
IO: TYPE USING [char, Close, CreateStream, CreateStreamProcs, int, Put, PutChar, PutF, PutRope, rope, SetLength, STREAM, StreamProcs, time, RIS],
Loader: TYPE USING [BCDBuildTime],
OSMiscOps: TYPE USING [MergeStamps, TimeToStamp],
P1: TYPE USING [InstallParseTable, Parse],
PrincOpsUtils: TYPE USING [Codebase],
Process: TYPE USING [CheckForAbort],
Rope: TYPE USING [Equal, Fetch, Find, Flatten, Length, ROPE, Substr, Cat], 
Symbols: TYPE USING [stNull],
Tree: TYPE USING [Link],
TreeOps: TYPE USING [PopTree, Finalize, Initialize],
UserProfile: TYPE USING [Token, Boolean];

BcdControl: PROGRAM
IMPORTS Alloc, Ascii, BasicTime, BcdControlDefs, BcdErrorDefs, BcdFileDefs, BcdLiterals, BcdParseData, BcdUtilDefs, Commander, CommandUtil, DebuggerSwap, FileViewerOps, FS, HashOps, IO, Loader, OSMiscOps, P1, PrincOpsUtils, Process, Rope, TreeOps, UserProfile, data: BcdComData
= BEGIN

EquivalentRope: PROC[s1, s2: Rope.ROPE] RETURNS[BOOL] ~ {
RETURN[s1.Equal[s2, FALSE]]};
log: IO.STREAM _ NIL;
logFile: FS.OpenFile _ FS.nullOpenFile;

SetLogStream: PROC ~ {
logFile _ FS.Create["Binder.Log"];
log _ FS.StreamFromOpenFile[logFile, $write];
log.SetLength[0]};

LogRope: PROC[s: Rope.ROPE] ~ {log.PutRope[s]};
LogChar: PROC[c: CHAR] ~ {log.PutChar[c]};
LogNumber: PROC[n: INTEGER] ~ {log.Put[IO.int[n]]};

renamedOutput: BOOL _ FALSE;

RepeatCommand: PROC[s: IO.STREAM] ~ {
s.PutRope["\nBinding "]; s.PutRope[data.sourceName];
IF renamedOutput THEN {s.PutRope[", BCD to "]; s.PutRope[data.bcdName]};
IF data.copyCode THEN {
s.PutRope[", code to "];
s.PutRope[IF data.codeName = NIL THEN "BCD" ELSE data.codeName]};
IF data.copySymbols THEN {
s.PutRope[", symbols to "];
s.PutRope[IF data.symbolName = NIL THEN "BCD" ELSE data.symbolName]};
s.PutChar['\n]};
errorName: Rope.ROPE _ NIL;
errorFile: FS.OpenFile _ FS.nullOpenFile;
errorStream: IO.STREAM _ NIL;
errorStreamProcs: REF IO.StreamProcs _ NIL;

SetErrorName: PROC ~ {
IF errorName = NIL THEN {
errorName _ CommandUtil.SetExtension[data.rootName, "errlog"]}
};

DummyErrorStream: PROC[
putProc: SAFE PROC[self: IO.STREAM, char: CHAR]] RETURNS[IO.STREAM] ~ {
IF errorStreamProcs = NIL THEN 
errorStreamProcs _ IO.CreateStreamProcs[
variety: $output,
class: $DummyErrorStream,
putChar: putProc
];
RETURN[IO.CreateStream[errorStreamProcs, NIL]]};

OpenErrorStream: PROC ~ {
IF errorName = NIL THEN SetErrorName[];
IF errorFile = FS.nullOpenFile THEN errorFile _ FS.Create[errorName];
errorStream _ FS.StreamFromOpenFile[errorFile, $write];
errorStream.SetLength[0];
WriteHerald[errorStream, errorName];  RepeatCommand[errorStream]};

CloseErrorStream: PROC ~ INLINE {IF data.errorStream # NIL THEN ErrorDestroy[]};

ErrorPut: SAFE PROC[self: IO.STREAM, char: CHAR] ~ TRUSTED {
IF errorStream = NIL THEN OpenErrorStream[];
errorStream.PutChar[char]};

ErrorDestroy: PROC ~ {
IF errorFile # FS.nullOpenFile AND errorStream # NIL THEN {
errorStream.Close[]; errorStream _ NIL}
};


WriteHerald: PROC[stream: IO.STREAM, id: Rope.ROPE] ~ {
stream.Put[IO.rope["Cedar 6.0 Binder of "], IO.time[Loader.BCDBuildTime[]]];
IF id.Length[] # 0 THEN stream.Put[IO.rope[id], IO.rope[" -- "]];
stream.Put[IO.time[], IO.char['\n]]};

Logger: PROC[proc: PROC[log: IO.STREAM]] = {
proc[data.errorStream]};

sourceFile, bcdFile: FS.OpenFile _ FS.nullOpenFile;

GetRoot: PROC[s: Rope.ROPE] RETURNS[Rope.ROPE] ~ {
dotIndex: INT _ Rope.Find[s, "."];
IF dotIndex > -1 THEN s _ Rope.Substr[s, 0, dotIndex];
RETURN[s]};

StandardDefaults: PACKED ARRAY CHAR ['a..'z] OF BOOL ~ [
FALSE, -- A  Copy all (code and symbols)
FALSE, -- B  Unused
TRUE , -- C  Copy code
FALSE, -- D  Call debugger error
FALSE, -- E  Unused
FALSE, -- F  Unused
TRUE , -- G  TRUE => errlog goes to binder.log, FALSE => use root.errlog
FALSE, -- H  Unused
FALSE, -- I  Unused
FALSE, -- J  Unused
FALSE, -- K  Unused
FALSE, -- L  Unused
FALSE, -- M  Unused
FALSE, -- N  Unused
FALSE, -- O  Unused
FALSE, -- P  Pause after config with errors
FALSE, -- Q  Unused
FALSE, -- R  Unused
FALSE, -- S  Copy symbols
FALSE, -- T  Unused
FALSE, -- U  Unused
FALSE, -- V  Unused
FALSE, -- W  Pause after config with warnings
FALSE, -- X  Copy compressed symbols (not implemented)
FALSE, -- Y  Unused
FALSE  -- Z  Unused
];
Bind: SAFE PROC[cmd: Commander.Handle]
RETURNS[result: REF _ NIL, msg: Rope.ROPE _ NIL] ~ TRUSTED { 
results: CommandUtil.PairList;
switches: Rope.ROPE;
key, value: Rope.ROPE;
anyErrors, anyWarnings: BOOL _ FALSE;
localPause: BOOL;
cmdStream: IO.STREAM;

defaultSwitches: PACKED ARRAY CHAR['a..'z] OF BOOL _ StandardDefaults;
defaultDebugPass: CARDINAL _ CARDINAL.LAST;
localSwitches: PACKED ARRAY CHAR['a..'z] OF BOOL;
debugPass: CARDINAL;

cmd.commandLine _ Rope.Cat[UserProfile.Token["Binder.Switches"], " ", cmd.commandLine];
cmdStream _ IO.RIS[cmd.commandLine];
data.sourceName _ data.bcdName _ data.codeName _ data.symbolName _ NIL;

SetLogStream[];
WriteHerald[log, NIL];

data.op _ $bind;
data.table _ NIL;


DO {

Initialize: PROC ~ {
weights: ARRAY [0..BcdDefs.BinderNTables) OF Alloc.TableInfo _ [	-- empirical (SDD)
[4], [2], [10], [4], [5], [4], [4], [4], [2], [1],
[4], [4], [4], [2], [4], [2], [4], [5], [1], [1]];
RepeatCommand[log];
data.errors _ data.warnings _ data.aborted _ FALSE;
data.nErrors _ data.nWarnings _ 0;
data.textIndex _ 0;
data.currentName _ BcdDefs.NullName;
IF data.table = NIL THEN {
data.table _ Alloc.Create[weights~DESCRIPTOR[weights]];
(data.table).Chunkify[BcdDefs.treetype]}
ELSE (data.table).Reset[];
HashOps.Initialize[data.table, BcdDefs.httype, BcdDefs.sstype];
TreeOps.Initialize[data.table];
BcdUtilDefs.Init[data.table];
data.literals _ BcdLiterals.Create[];
BcdErrorDefs.Initialize[];
errorStream _ NIL};

Finalize: PROC ~ {
TreeOps.Finalize[];
HashOps.Finalize[];
BcdErrorDefs.Finalize[];
(data.literals).Finalize[];  BcdUtilDefs.Reset[];
(data.table).Reset[];
anyErrors _ data.errors OR anyErrors;  anyWarnings _ data.warnings OR anyWarnings;
IF data.aborted THEN LogRope["Binding aborted\n"]
ELSE IF data.errors THEN LogRope["Errors detected; BCD not written\n"]
ELSE {
IF data.nConfigs > 1 THEN {
LogNumber[data.nConfigs]; LogRope[" configs, "]};
LogNumber[data.nModules]; LogRope[" modules, "];
LogNumber[data.nImports]; LogRope[" imports, "];
LogNumber[data.nExports]; LogRope[" exports, "];
LogNumber[data.nPages]; LogRope[" pages, "];
LogNumber[BasicTime.Period[from: startTime, to: BasicTime.Now[]]]; LogRope[" seconds\n"]};
IF errorStream # NIL THEN {
LogRope["See "]; LogRope[data.rootName]; LogRope[".errlog\n"]};
IF log # data.errorStream THEN CloseErrorStream[];
IF errorName = NIL THEN {
SetErrorName[];
};
(data.sourceStream).Close[];
sourceFile _ FSClose[sourceFile];
bcdFile _ FSClose[bcdFile];
IF data.nErrors # 0 OR data.aborted THEN
FS.Delete[data.bcdName ! FS.Error => TRUSTED {CONTINUE}];
data.outputFile _ FS.nullOpenFile;
IF data.nErrors = 0
THEN cmd.out.Put[IO.rope["no errors"]]
ELSE cmd.out.Put[IO.int[data.nErrors], IO.rope[" errors"]];
IF data.nWarnings # 0
THEN cmd.out.Put[IO.rope[", "], IO.int[data.nWarnings], IO.rope[" warnings"]];
cmd.out.Put[IO.char['\n]];
data.sourceName _ data.bcdName _ data.codeName _ data.symbolName _ NIL;
errorName _ NIL};

Debug: PROC[printRel, printBcd: BOOL] ~ {
BcdControlDefs.PrintTree[root];
BcdControlDefs.PrintSemanticEntries[];
IF printRel THEN BcdControlDefs.PrintRelocations[relocationHead];
IF printBcd THEN BcdControlDefs.PrintBcd[]};

parsed: BOOL;
root: Tree.Link;
first: BOOL _ TRUE;
relocationHead: BcdBindDefs.RelocHandle;
startTime: BasicTime.GMT;
needFileTableErase: BOOL;

localSwitches _ defaultSwitches;
localPause _ FALSE;  debugPass _ defaultDebugPass;
renamedOutput _ FALSE;
data.aborted _ FALSE;

[data.sourceName, data.commandArgs, results, switches] _
CommandUtil.Parse[s: cmdStream
! CommandUtil.Failed => {GOTO badSyntax}];
IF data.sourceName = NIL AND switches = NIL THEN EXIT;  -- done binding
LogRope["\nCommand: "];
CommandUtil.Echo[
d~log, operator~data.sourceName, argList~data.commandArgs, 
resultList~results, switches~switches];
IF data.sourceName = NIL THEN GOTO globalSwitches;
FOR n: CARDINAL IN [0..CommandUtil.ListLength[results]) DO
[key, value] _ CommandUtil.GetNthPair[list~results, n~n];
SELECT TRUE FROM
(key = NIL), EquivalentRope[key, "bcd"] => { 
data.bcdName _ value; renamedOutput _ TRUE};
EquivalentRope[key, "code"] => { 
data.codeName _ value; localSwitches['c] _ TRUE};
EquivalentRope[key, "symbols"] => {  
data.symbolName _ value; localSwitches['s] _ TRUE};
ENDCASE => GO TO badSemantics;
ENDLOOP;
data.rootName _ GetRoot[
(IF data.bcdName # NIL THEN data.bcdName ELSE data.sourceName)];
IF switches # NIL THEN {
sense: BOOL _ TRUE;
length: INT _ switches.Length[];
FOR i: INT IN [0..length) DO
c: CHAR ~ switches.Fetch[i];
SELECT c FROM
'-, '~ => sense _ ~sense;
IN ['a..'z] => {localSwitches[c] _ sense; sense _ TRUE};
IN ['A..'Z] => {localSwitches[Ascii.Lower[c]] _ sense; sense _ TRUE};
'! => {DebuggerSwap.CallDebugger[NIL]; sense _ TRUE};
IN ['1..'4] => {debugPass _ c-'0; sense _ TRUE};
ENDCASE;
ENDLOOP;
};

data.sourceName _ CommandUtil.SetExtension[data.sourceName, "config"];
FileViewerOps.WaitUntilSaved[data.sourceName, cmd.out
! ABORTED => {data.aborted _ TRUE; EXIT}];
IF data.bcdName = NIL THEN data.bcdName _ data.rootName;
data.bcdName _ CommandUtil.SetExtension[data.bcdName, "bcd"];
data.copyCode _ (localSwitches['c] OR localSwitches['a]);
data.copySymbols _ (localSwitches['s] OR localSwitches['x] OR localSwitches['a]);
IF localSwitches['x] THEN
LogRope["\nSymbol compression not available in this version"];
IF data.copyCode AND data.codeName # NIL THEN {
data.codeName _ CommandUtil.SetExtension[data.codeName, "code"];
IF EquivalentRope[data.codeName, data.bcdName] THEN data.codeName _ NIL;
};
IF data.copySymbols AND ~(localSwitches['a] AND data.symbolName = NIL) THEN {
data.symbolName _ CommandUtil.SetExtension[data.symbolName, "symbols"];
IF EquivalentRope[data.symbolName, data.bcdName] THEN data.symbolName _ NIL;
};

cmd.out.Put[IO.rope["Binding: "], IO.rope[data.rootName]];
FOR c: CHAR IN ['a..'z] DO
IF localSwitches[c] # StandardDefaults[c] THEN {
IF first THEN {first _ FALSE; cmd.out.PutChar['/]};
IF StandardDefaults[c] THEN cmd.out.PutChar['-];
cmd.out.PutChar[c]};
ENDLOOP;

startTime _ BasicTime.Now[];

sourceFile _ FS.nullOpenFile;
errorFile _ data.outputFile _ FS.nullOpenFile;
data.sourceStream _ NIL;
sourceFile _ FS.Open[data.sourceName ! FS.Error => TRUSTED {CONTINUE}];
IF sourceFile # NIL THEN {
data.sourceStream _ FS.StreamFromOpenFile[sourceFile];
data.sourceVersion _ BcdDefs.VersionStamp[
net~0, host~0, time~BasicTime.ToNSTime[FS.FileInfo[data.sourceName].created]];
};
IF data.sourceStream = NIL THEN GOTO noSource;
data.outputFile _ bcdFile _ FS.Create[data.bcdName ! FS.Error => TRUSTED {CONTINUE}];

data.logStream _ log;
data.errorStream _
IF localSwitches['g] THEN log ELSE DummyErrorStream[putProc~ErrorPut];
localPause _ localSwitches['p];
data.debug _ localSwitches['d];
localSwitches['g] _ localSwitches['p] _ localSwitches['d] _ FALSE;

data.objectStamp _ OSMiscOps.TimeToStamp[data.sourceVersion];
data.objectStamp _ OSMiscOps.MergeStamps[
data.objectStamp, OSMiscOps.TimeToStamp[[0, 0, LOOPHOLE[localSwitches]]]];
data.objectStamp _ OSMiscOps.MergeStamps[
data.objectStamp, OSMiscOps.TimeToStamp[data.binderVersion]];

Initialize[];

BEGIN
ENABLE {
BcdErrorDefs.GetModule => RESUME [BcdDefs.MTNull, 0];
BcdErrorDefs.GetSti => RESUME [Symbols.stNull];
Alloc.Failure => {
data.errors _ TRUE;
IF ~data.debug THEN {
LogRope["Storage Overflow\n"]; GOTO Overflow}};
UNWIND => {IF needFileTableErase THEN BcdFileDefs.EraseFileTable[]; Finalize[]};
};

needFileTableErase _ FALSE;
Process.CheckForAbort[];
cmd.out.PutRope[". "]; -- pass 1
[complete~parsed, nErrors~data.nErrors] _ P1.Parse[data.sourceStream, Logger, TRUE];
IF ~parsed THEN GO TO Failed;
IF data.nErrors > 0 THEN data.errors _ TRUE;
root _ TreeOps.PopTree[];
BcdControlDefs.BuildSemanticEntries[root];

data.outputFti _ BcdUtilDefs.EnterFile[LOOPHOLE[Rope.Flatten[data.bcdName]]];
BcdFileDefs.BuildFileTable[data.table];

needFileTableErase _ TRUE;
IF debugPass <= 1 THEN Debug[printRel~FALSE, printBcd~FALSE];

Process.CheckForAbort[];
cmd.out.PutRope[". "]; -- pass 2
relocationHead _ BcdControlDefs.LoadRoot[root];
(data.literals).SealLiterals[];

IF debugPass <= 2 THEN Debug[printRel~TRUE, printBcd~TRUE];

Process.CheckForAbort[];
cmd.out.PutRope[". "]; -- pass 3
BcdControlDefs.BindRoot[relocationHead];

IF debugPass <= 3 THEN Debug[printRel~FALSE, printBcd~TRUE];

IF ~data.errors THEN { 
Process.CheckForAbort[];
cmd.out.PutRope[". "]; -- pass 4
BcdControlDefs.WriteBcd[root]};
BcdFileDefs.EraseFileTable[];
EXITS
Overflow => NULL;
Failed => data.errors _ TRUE;
END;

Finalize[];

EXITS
noSource => {
LogRope["\nCan't open "];
LogRope[data.sourceName];
LogChar['\n];
IO.PutF[cmd.out, " -- can't open %g\n", [rope[data.sourceName]] ];
data.errors _ anyErrors _ TRUE};
globalSwitches => {
sense: BOOL _ TRUE;
length: INT _ switches.Length[];
FOR i: INT IN [0..length) DO
c: CHAR ~ switches.Fetch[i];
SELECT c FROM
'-, '~ => sense _ ~sense;
'! => DebuggerSwap.CallDebugger[NIL];
IN ['a..'z] => {defaultSwitches[c] _ sense; sense _ TRUE};
IN ['A..'Z] => {defaultSwitches[Ascii.Lower[c]] _ sense; sense _ TRUE};
IN ['1..'5] => {defaultDebugPass _ c-'0; sense _ TRUE};
ENDCASE => EXIT;
ENDLOOP};
badSemantics => {
data.errors _ anyErrors _ TRUE;
LogRope["\n -- Illegal command"]};
};
IF data.aborted THEN EXIT;  -- stop binding
IF (data.errors OR (data.warnings AND localSwitches['w])) AND localPause THEN EXIT;
REPEAT
badSyntax => {anyErrors _ data.errors _ TRUE; LogRope["-- Illegal syntax"]};
ENDLOOP;

IF data.table # NIL THEN {Alloc.Destroy[data.table];  data.table _ NIL};
IO.Close[log];
logFile _ FS.nullOpenFile;
cmd.out.PutRope["End of binding\n"];
IF data.aborted OR anyErrors OR anyWarnings THEN result _ $Failure;
FileViewerOps.ShowLog[fileName: FS.ExpandName["Binder.log"].fullFName, destroyIt: result # $Failure, createIconic: UserProfile.Boolean["Compiler.IconicLogs", FALSE], blinkIfIconic: UserProfile.Boolean["Compiler.IconicLogs", FALSE]];
};

FSClose: PROC[fh: FS.OpenFile] RETURNS[FS.OpenFile] = {
IF fh # FS.nullOpenFile THEN
FS.Close[fh ! FS.Error => IF error.code = $invalidOpenFile THEN CONTINUE];
RETURN[FS.nullOpenFile]};
Init: PROC ~ { 
START data;
data.binderVersion _ [net~0Ch, host~0Bh, time~000F0003h]; -- Cedar release
P1.InstallParseTable[LOOPHOLE[PrincOpsUtils.Codebase[LOOPHOLE[BcdParseData]]]];
Commander.Register["Binder", Bind, "Bind a list of configurations."]};

Init[];

END.
²BcdControl.mesa
Copyright c 1985 by Xerox Corporation.  All rights reserved.
Satterthwaite on March 4, 1986 2:29:37 pm PST	
Maxwell, August 29, 1983 2:52 pm
Russ Atkinson, March 7, 1985 1:02:15 am PST
Paul Rovner, January 11, 1984 4:19 pm
Rick Beach, April 3, 1985 11:38:18 am PST
Command Gathering And Logging
Error Logging
IF fbh = NIL AND feedback.create # NIL
THEN fbh _ feedback.create[system~"Binder"L, herald~herald];
File Bookkeeping
Switches
Command interface
main loop
OSMiscOps.DeleteFile[errorName];
IF feedback.finishItem # NIL THEN ...
encode switches, binder version (see BcdLoad processing also)
Global binder initialization
data.binderVersion _ OSMiscOps.ImageId[];
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