-- file: TangleImpl.mesa
-- Pascal-to-Mesa translator output, translated at September 14, 1985 3:58:20 pm PDT
DIRECTORY
PascalBasic,
PascalWizardFiles,
TanglePrivate;
TangleImpl: PROGRAM IMPORTS PascalBasic, PascalWizardFiles, TanglePrivate EXPORTS TanglePrivate = PUBLIC
BEGIN OPEN PascalBasic, PascalWizardFiles, TanglePrivate;
--2:----4:----$C-,A+,D- ----[$C+,D+]----:4
--:78----9:--
History: PascalInteger[0..3];
--:9----13:--Xord: LONG POINTER TO ARRAY PascalChar OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalChar OF AsciiCode];
Xchr: LONG POINTER TO ARRAY AsciiCode OF PascalChar ← PascalStaticZone.NEW[ARRAY AsciiCode OF PascalChar];
--:13----20:--
TermOut: TextFile;
--:20----23:
WebFile: TextFile;
ChangeFile: TextFile;
--:23----25:
PascalFile: TextFile;
Pool: TextFile;
--:25----27:
Buffer: LONG POINTER TO ARRAY PascalInteger[0..5000] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[0..5000] OF AsciiCode];
--:27----29:--
PhaseOne: PascalBoolean;
ByteStart: LONG POINTER TO ARRAY PascalInteger[0..4000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..4000] OF SixteenBits];
TokStart: LONG POINTER TO ARRAY PascalInteger[0..2000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..2000] OF SixteenBits];
Link: LONG POINTER TO ARRAY PascalInteger[0..4000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..4000] OF SixteenBits];
Ilk: LONG POINTER TO ARRAY PascalInteger[0..4000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..4000] OF SixteenBits];
Equiv: LONG POINTER TO ARRAY PascalInteger[0..4000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..4000] OF SixteenBits];
TextLink: LONG POINTER TO ARRAY PascalInteger[0..2000] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..2000] OF SixteenBits];
--:38----40:
NamePtr: NamePointer;
StringPtr: NamePointer;
BytePtr: LONG POINTER TO ARRAY PascalInteger[0..1] OF PascalInteger[0..45000] ← PascalStaticZone.NEW[ARRAY PascalInteger[0..1] OF PascalInteger[0..45000]];
PoolCheckSum: PascalInteger;
--:40----44:
TextPtr: TextPointer;
TokPtr: LONG POINTER TO ARRAY PascalInteger[0..2] OF PascalInteger[0..50000] ← PascalStaticZone.NEW[ARRAY PascalInteger[0..2] OF PascalInteger[0..50000]];
Z: PascalInteger[0..2];
--MAX←TOK←PTR:ARRAY[0..2]OF 0..MAX←TOKS;----:44----50:--
IdFirst: PascalInteger[0..BufSize];
IdLoc: PascalInteger[0..BufSize];
DoubleChars: PascalInteger[0..BufSize];
Hash: LONG POINTER TO ARRAY PascalInteger[0..353] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..353] OF SixteenBits];
ChopHash: LONG POINTER TO ARRAY PascalInteger[0..353] OF SixteenBits ← PascalStaticZone.NEW[ARRAY PascalInteger[0..353] OF SixteenBits];
ChoppedId: LONG POINTER TO ARRAY PascalInteger[0..12] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[0..12] OF AsciiCode];
--:50----65:
ModText: LONG POINTER TO ARRAY PascalInteger[0..400] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[0..400] OF AsciiCode];
--:65----70:
LastUnnamed: TextPointer;
--:70----79:--
CurState: OutputState;
Stack: LONG POINTER TO ARRAY PascalInteger[1..50] OF OutputState ← PascalStaticZone.NEW[ARRAY PascalInteger[1..50] OF OutputState];
StackPtr: PascalInteger[0..StackSize];
--:79
--80:--
Zo: PascalInteger[0..2];
--:80----82:--
BraceLevel: EightBits;
--:82----86:--
CurVal: PascalInteger;
--:86----94:--OutBuf: LONG POINTER TO ARRAY PascalInteger[0..144] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[0..144] OF AsciiCode];
OutPtr: PascalInteger[0..OutBufSize];
BreakPtr: PascalInteger[0..OutBufSize];
SemiPtr: PascalInteger[0..OutBufSize];
--:94----95:--
OutState: EightBits;
OutVal: PascalInteger;
OutApp: PascalInteger;
OutSign: AsciiCode;
LastSign: PascalInteger[-1..1];
--:95----100:
OutContrib: LONG POINTER TO ARRAY PascalInteger[1..72] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[1..72] OF AsciiCode];
--:100----124:--
Line: PascalInteger;
OtherLine: PascalInteger;
TempLine: PascalInteger;
Limit: PascalInteger[0..BufSize];
Loc: PascalInteger[0..BufSize];
InputHasEnded: PascalBoolean;
Changing: PascalBoolean;
--:124----126:
ChangeBuffer: LONG POINTER TO ARRAY PascalInteger[0..5000] OF AsciiCode ← PascalStaticZone.NEW[ARRAY PascalInteger[0..5000] OF AsciiCode];
ChangeLimit: PascalInteger[0..BufSize];
--:126----143:--
CurModule: NamePointer;
ScanningHex: PascalBoolean;
--:143----156:
NextControl: EightBits;
--:156----164:--
CurReplText: TextPointer;
--:164
--171:--
ModuleCount: PascalInteger[0..12287];
Error9999: ERROR = CODE;
TangleRun: UnsafeCommandProc = BEGIN
--FOR ZO:=0 TO 2 DO MAX←TOK←PTR[ZO]:=TOK←PTR[ZO];
-- ----112:-- {ENABLE Error9999 => GOTO Label9999;Initialize[];--134:--OpenInput[];Line←0;OtherLine←0;Changing←TRUE;
PrimeTheChangeBuffer[];Changing← NOT Changing;TempLine←OtherLine;
OtherLine←Line;Line←TempLine;Limit←0;Loc←1;Buffer↑[0]←32;
InputHasEnded←FALSE;--:134--{PascalWriteLongString[file: @TermOut, item: "This is Tangle 2.7 for Cedar 6.0"]; PascalWriteLn[file: @TermOut]};--183:
PhaseOne←TRUE;ModuleCount←0;DO NextControl←SkipAhead[];
IF NextControl=136 THEN EXIT; ENDLOOP;WHILE NOT InputHasEnded DO ScanModule[] ENDLOOP ;--138:
IF ChangeLimit#0 THEN BEGIN FOR i:INT IN [ INT[0 ].. INT[ChangeLimit ]] DO Loc ← i; Buffer↑[Loc]
←ChangeBuffer↑[Loc] ENDLOOP;Limit←ChangeLimit;Changing←TRUE;
Line←OtherLine;Loc←ChangeLimit;BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "! Change file entry did not match"];Error[]; END; END--:138--;
PhaseOne←FALSE;--:183--IF TextLink↑[0]=0 THEN BEGIN BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "! No output was specified."]; END;
IF History=0 THEN History←1; END ELSE BEGIN --96:-- BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "Writing the output file"]; END;PascalTextBREAK[file: @TermOut];--83:
StackPtr←1;BraceLevel←0;CurState.NameField←0;
CurState.ReplField←TextLink↑[0];Zo← CurState.ReplField MOD 3;
CurState.ByteField←TokStart↑[CurState.ReplField];
CurState.EndField←TokStart↑[CurState.ReplField+3];
CurState.ModField←0;--:83--OutState←0;OutPtr←0;BreakPtr←0;
SemiPtr←0;OutBuf↑[0]←0;Line←1;--:96--SendTheOutput[];--98:
BreakPtr←OutPtr;SemiPtr←0;FlushBuffer[];
IF BraceLevel#0 THEN BEGIN PascalWriteLn[file: @TermOut];
{PascalWriteLongString[file: @TermOut, item: "! Program ended at brace level "]; PascalWriteInteger[file: @TermOut, item: BraceLevel, fieldMinLength: 1]};Error[];
END;--:98--BEGIN PascalWriteLn[file: @TermOut];PascalWriteLongString[file: @TermOut, item: "Done."]; END; END--:112--;
EXITS Label9999 => NULL};IF INT[StringPtr]>128 THEN--184:--BEGIN BEGIN PascalWriteLn[file: @TermOut];
{PascalWriteInteger[file: @TermOut, item: StringPtr-128, fieldMinLength: 1]; PascalWriteLongString[file: @TermOut, item: " strings written to string pool file."]
}; END;PascalWriteLongString[file: @Pool, item: "*"];
FOR i:INT IN [ INT[1 ].. INT[9 ]] DO StringPtr ← i; OutBuf↑[StringPtr]←
PoolCheckSum MOD 10;PoolCheckSum← PoolCheckSum /10; ENDLOOP;
FOR i:INT DECREASING IN [ INT[1 ].. INT[9 ]] DO StringPtr ← i; PascalWriteChar[file: @Pool, item: Xchr↑[48+OutBuf↑[StringPtr]]] ENDLOOP;
PascalWriteLn[file: @Pool]; END--:184--;--[186:]BEGIN WRITELN(TERM←OUT);
-- WRITE(TERM←OUT,'Memory usage statistics:');END;BEGIN WRITELN(TERM←OUT);
-- WRITE(TERM←OUT,NAME←PTR:1,' names, ',TEXT←PTR:1,' replacement texts;');
-- END;BEGIN WRITELN(TERM←OUT);WRITE(TERM←OUT,BYTE←PTR[0]:1);END;
-- FOR WO:=1 TO 1 DO WRITE(TERM←OUT,'+',BYTE←PTR[WO]:1);
-- WRITE(TERM←OUT,' bytes, ',MAX←TOK←PTR[0]:1);
-- FOR ZO:=1 TO 2 DO WRITE(TERM←OUT,'+',MAX←TOK←PTR[ZO]:1);
-- WRITE(TERM←OUT,' tokens.');[:186];--FileClose[@WebFile];
FileClose[@ChangeFile];FileClose[@PascalFile];FileClose[@Pool];--187:
SELECT History FROM 0 =>BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "(No errors were found.)"]; END;1 =>BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "(Did you see the warning message above?)"]; END;
2 =>BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "(Pardon me, but I think I spotted something wrong.)"];
END;3 =>BEGIN PascalWriteLn[file: @TermOut];
PascalWriteLongString[file: @TermOut, item: "(That was a fatal error, my friend.)"]; END; ENDCASE--:187--;
PascalWriteLn[file: @TermOut];--:182
END;
PascalRegister["Tangle", TangleRun];
END.