-- BcdDebug.mesa
-- Last edited by Satterthwaite on September 14, 1982 4:38 pm
-- Last edited by Lewis on 19-Jan-81 17:28:21

DIRECTORY
  Alloc: TYPE USING [AddNotify, DropNotify, Notifier, Top],
  BcdBindDefs: TYPE USING [RelocHandle, RelocType],
  BcdComData: TYPE USING [errorStream, table],
  BcdControlDefs: TYPE USING [],
  BcdDefs: TYPE USING [
    ControlItem, CTIndex, CTNull, CTRecord, cttype, cxtype,
    EVIndex, EVRecord, EVNull, evtype, EXPIndex, EXPRecord, exptype, fptype,
    FTIndex, FTNull, FTRecord, FTSelf, fttype, IMPIndex, IMPNull, IMPRecord, imptype,
    LFIndex, LFNull, lftype, Link, MTIndex, MTNull, MTRecord, mttype,
    Namee, NameRecord, NTIndex, NTRecord, nttype, RFIndex, RFNull, rftype,
    SGIndex, sgtype, SPIndex, SPRecord, sptype, sstype, sttype,
    TFIndex, TFNull, tftype, treetype, TMIndex, TMRecord, tmtype,
    TYPIndex, TYPRecord, typtype, VersionStamp],
  BcdOps: TYPE USING [NameString],
  CharIO: TYPE USING [PutChar, PutDecimal, PutOctal, PutString, PutSubString],
  Strings: TYPE USING [String, SubString, SubStringDescriptor],
  Symbols: TYPE USING [CXIndex, CXRecord, HTIndex, HTNull, STIndex, STNull],
  SymbolOps: TYPE USING [SubStringForHash],
  Table: TYPE USING [Base, Limit],
  Time: TYPE USING [Append, Unpack],
  Tree: TYPE USING [Index, Link, NodeName, NullIndex, Scan],
  TreeOps: TYPE USING [ScanSons];

BcdDebug: PROGRAM
    IMPORTS Alloc, CharIO, SymbolOps, Time, TreeOps, data: BcdComData
    EXPORTS BcdControlDefs = {
  OPEN BcdDefs;

  tb, cxb, stb, mtb, lfb, rfb, tfb: Table.Base;
  etb, evb, itb, ctb, sgb, ftb, typb, tmb, ntb, spb, fpb: Table.Base;
  ssb: BcdOps.NameString;

  DebugNotify: Alloc.Notifier ~ {
    tb   ← base[treetype]; stb ← base[sttype];  cxb ← base[cxtype];
    ctb  ← base[cttype];   mtb ← base[mttype];
    lfb ← base[lftype];    rfb ← base[rftype];  tfb ← base[tftype];
    etb  ← base[exptype];  evb ← base[evtype];  itb ← base[imptype];
    sgb  ← base[sgtype];   ftb ← base[fttype];
    typb ← base[typtype];  tmb ← base[tmtype];
    ntb  ← base[nttype];   ssb ← base[sstype];
    spb  ← base[sptype];   fpb ← base[fptype]};

  SubString: TYPE ~ Strings.SubString;

  desc: Strings.SubStringDescriptor;
  ss: SubString ~ @desc;


 -- Utility Writes

  WriteChar: PROC [c: CHAR] ~ {CharIO.PutChar[data.errorStream, c]};
  WriteString: PROC [s: Strings.String] ~ {CharIO.PutString[data.errorStream, s]};
  WriteSubString: PROC [ss: SubString] ~ {CharIO.PutSubString[data.errorStream, ss]};

  WriteName: PUBLIC PROC [n: NameRecord] ~ {
    ssd: Strings.SubStringDescriptor ← [base~@ssb.string, offset~n, length~ssb.size[n]];
    WriteSubString[@ssd]};

  WriteTime: PUBLIC PROC [t: LONG CARDINAL] ~ {
    s: STRING ← [20];
    Time.Append[s, Time.Unpack[LOOPHOLE[t]]];
    CharIO.PutString[data.errorStream, s]};

  WriteCR: PROC ~ INLINE {WriteChar['\n]};

  Indent: PROC [n: CARDINAL] ~ {
    WriteCR[];
    THROUGH [1..n/8] DO WriteChar['\t] ENDLOOP;
    THROUGH [1..n MOD 8] DO WriteChar[' ] ENDLOOP};


  -- annotated printing

  WriteDecimal: PROC [id: STRING, n: INTEGER] ~ {
    IF id # NIL THEN CharIO.PutString[data.errorStream, id];
    CharIO.PutDecimal[data.errorStream, n]};

  WriteOctal: PROC [id: STRING, n: UNSPECIFIED] ~ {
    IF id # NIL THEN CharIO.PutString[data.errorStream, id];
    CharIO.PutOctal[data.errorStream, n]};

  WriteIndex: PROC [id: STRING, index: UNSPECIFIED] ~ {
    IF id # NIL THEN CharIO.PutString[data.errorStream, id];
    PrintIndex[index]};


 -- Parse tree printing

  WriteNodeName: PROC [n: Tree.NodeName] ~ {
    NodePrintName: ARRAY Tree.NodeName OF STRING ~ [
      "list"L, "item"L, "source"L, "config"L,
      "module"L, "assign"L, "plus"L, "then"L,
      "dot"L, "slash"L, "null"L];
    WriteString[NodePrintName[n]]};

  PrintSubTree: PROC [t: Tree.Link, nBlanks: CARDINAL] ~ {
    OPEN Tree;

    Printer: Tree.Scan ~ {
      Indent[nBlanks];
      WITH s~~t SELECT FROM
	hash => PrintHti[s.index];
	symbol => {PrintHti[stb[s.index].hti]; PrintIndex[s.index]};
	subtree => {
	  node: Tree.Index ~ s.index;
	  IF node = Tree.NullIndex THEN WriteString["<empty>"L]
	  ELSE {
	    OPEN tb[node];
	    WriteNodeName[name];  PrintIndex[node];
	    SELECT name FROM
	      $config => IF attr2 THEN WriteString[" (EXPORTS ALL)"L];
	      $module =>
	        IF attr2 THEN
		  WriteString[IF attr1 THEN " (Code Links)"L ELSE " (Frame Links)"L];
	      $item => IF attr1 THEN WriteString[" (Code Links)"L];
	      ENDCASE;
	    WriteDecimal[" ["L, info];  WriteChar[']];
	    nBlanks ← nBlanks + 2;
	    TreeOps.ScanSons[s, Printer];
	    nBlanks ← nBlanks - 2}};
	ENDCASE};

    Printer[t]};


  PrintTree: PUBLIC PROC [t: Tree.Link] ~ {
    (data.table).AddNotify[DebugNotify];
    PrintSubTree[t, 0];  WriteCR[];  WriteCR[];
    (data.table).DropNotify[DebugNotify]};

  PrintHti: PROC [hti: Symbols.HTIndex] ~ {
    desc: Strings.SubStringDescriptor;
    s: SubString ~ @desc;
    IF hti = Symbols.HTNull THEN WriteString["(anonymous)"L]
    ELSE {SymbolOps.SubStringForHash[s, hti]; WriteSubString[s]}};


-- Context and semantic entry printing

  PrintSemanticEntries: PUBLIC PROC ~ {
    OPEN Symbols;
    cxLimit: CXIndex ~ (data.table).Top[cxtype];
    FOR cxi: CXIndex ← CXIndex.FIRST, cxi+CXRecord.SIZE UNTIL cxi = cxLimit DO
      PrintContext[cxi]; WriteCR[] ENDLOOP};

  PrintContext: PROC [cxi: Symbols.CXIndex] ~ {
    OPEN BcdDefs, Symbols;
    (data.table).AddNotify[DebugNotify];
    WriteDecimal["Context: "L, LOOPHOLE[cxi]];
    FOR sti: STIndex ← cxb[cxi].link, stb[sti].link UNTIL sti = STNull DO
      OPEN stb[sti];
      Indent[2];
      PrintHti[hti]; PrintIndex[sti];
      IF filename THEN WriteString[", filename"L];
      IF assigned THEN WriteString[", assigned"L];
      IF imported THEN {
        WriteString[", imported"L]; IF impi # IMPNull THEN PrintIndex[impi]};
      IF exported THEN WriteString[", exported"L];
      WITH s~~stb[sti] SELECT FROM
        external => {
          WriteString[", external["L];
          WITH m~~s.map SELECT FROM
            config => WriteIndex["config"L, m.cti];
            module => WriteIndex["module"L, m.mti];
            interface => WriteIndex["interface"L, m.expi];
            ENDCASE;
          WITH p~~s SELECT FROM
            file => WriteIndex[", file"L, p.fti];
            instance => WriteIndex[", instance"L, p.sti];
            ENDCASE;
          WriteChar[']]};
        local => {
	  WriteIndex[", local"L, s.info];
          WITH m~~s.map SELECT FROM
            config => WriteIndex["config"L, m.cti];
            ENDCASE;
	  WriteIndex[", context"L, s.context]};
        unknown => WriteString[", unknown[]"L];
        ENDCASE;
      ENDLOOP;
    (data.table).DropNotify[DebugNotify];
    WriteCR[]};


-- Bcd table printing

  PrintBcd: PUBLIC PROC ~ {
    PrintConfigs[];
    PrintImports[];
    PrintExports[];
    PrintExpVars[];
    PrintTypes[];
    PrintTypeMap[];
    PrintModules[];
    PrintFiles[]};

  PrintConfigs: PUBLIC PROC ~ {
    cti: CTIndex ← CTIndex.FIRST;
    ctLimit: CTIndex ~ (data.table).Top[cttype];
    (data.table).AddNotify[DebugNotify];
    WriteString["\nConfigurations:"L];
    UNTIL cti = ctLimit DO
      PrintConfig[cti];
      cti ← cti + (CTRecord.SIZE+ctb[cti].nControls*ControlItem.SIZE);
      ENDLOOP;
    WriteCR[];
    (data.table).DropNotify[DebugNotify]};

  PrintConfig: PUBLIC PROC [cti: CTIndex] ~ {
    OPEN ctb[cti];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteName[name];  PrintIndex[cti];
    IF namedInstance THEN { 
      WriteString[", instance: "L]; WriteNameFromTable[[config[cti]]]};
    WriteString[", file: "L];
    PrintFileName[file];  PrintIndex[file];
    IF config # CTNull THEN { 
      WriteString[", parent: "L]; WriteName[ctb[config].name]; PrintIndex[config]};
    IF nControls # 0 THEN {
      WriteString[", controls: ["L];
      FOR i: CARDINAL IN [0..nControls) DO
	WITH c~~controls[i] SELECT FROM
	  module => WriteName[mtb[c.mti].name];
	  config => {WriteName[ctb[c.cti].name]; WriteChar['*]};
	  ENDCASE => ERROR;
	PrintIndex[controls[i]];
	WriteString[IF i # nControls-1 THEN ", "L ELSE "]"L];
	ENDLOOP};
    (data.table).DropNotify[DebugNotify]};

  PrintImports: PUBLIC PROC ~ {
    iti: IMPIndex ← IMPIndex.FIRST;
    impLimit: IMPIndex ~ (data.table).Top[imptype];
    WriteString["\nImports:"L];
    UNTIL iti = impLimit DO PrintImport[iti]; iti ← iti + IMPRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintImport: PUBLIC PROC [iti: IMPIndex] ~ {
    OPEN itb[iti];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteName[name];  PrintIndex[iti];
    SELECT port FROM
      $module => WriteString[" (module)"L];
      ENDCASE;
    IF namedInstance THEN { 
      WriteString[", instance: "L]; WriteNameFromTable[[import[iti]]]};
    WriteString[", version: "L]; PrintFileVersion[file]; PrintIndex[file];
    WriteDecimal[", gfi: "L, gfi];  WriteDecimal[", ngfi: "L, ngfi];
    (data.table).DropNotify[DebugNotify]};

  PrintExports: PUBLIC PROC ~ {
    eti: EXPIndex ← EXPIndex.FIRST;
    expLimit: EXPIndex ~ (data.table).Top[exptype];
    WriteString["\nExports:"L];
    UNTIL eti = expLimit DO
      PrintExport[eti]; eti ← eti + etb[eti].size+EXPRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintExport: PUBLIC PROC [eti: EXPIndex] ~ {
    OPEN etb[eti];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteName[name];  PrintIndex[eti];
    IF port = module THEN WriteString[" [module]"L];
    IF namedInstance THEN { 
      WriteString[", instance: "L];  WriteNameFromTable[[export[eti]]]};
    WriteString[", file: "L]; PrintFileVersion[file]; PrintIndex[file];
    WriteDecimal[", size: "L, size];
    WriteString[", links:"L];
    FOR i: CARDINAL IN [0..size) DO
      IF i MOD 8 = 0 THEN Indent[4] ELSE WriteChar[' ];
      PrintControlLink[links[i]];
      IF i+1 # size THEN WriteChar[',];
      ENDLOOP;
    (data.table).DropNotify[DebugNotify]};

  PrintExpVars: PUBLIC PROC ~ {
    evi: EVIndex ← EVIndex.FIRST;
    evLimit: EVIndex ~ (data.table).Top[evtype];
    WriteString["\nExported variables:"L];
    UNTIL evi = evLimit DO
      PrintExpVar[evi]; evi ← evi + evb[evi].length+EVRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintExpVar: PUBLIC PROC [evi: EVIndex] ~ {
    OPEN evb[evi];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    PrintIndex[evi];
    WriteDecimal[", length: "L, length];
    WriteString[", offsets:\n"L];
    FOR i: CARDINAL IN [1..length] DO
      IF i MOD 8 = 1 THEN Indent[4] ELSE WriteChar[' ];
      WriteOctal[NIL, offsets[i]];
      IF i # length THEN WriteChar[',];
      ENDLOOP;
    (data.table).DropNotify[DebugNotify]};

  PrintTypes: PUBLIC PROC ~ {
    typi: TYPIndex ← TYPIndex.FIRST;
    typLimit: TYPIndex ~ (data.table).Top[typtype];
    WriteString["\nExported types:"L];
    UNTIL typi = typLimit DO PrintType[typi]; typi ← typi + TYPRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintType: PUBLIC PROC [typi: TYPIndex] ~ {
    OPEN typb[typi];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    PrintIndex[typi];
    WriteDecimal[", id: "L, id];
    WriteString[", from: "L];  PrintVersion[version];
    (data.table).DropNotify[DebugNotify]};

  PrintTypeMap: PUBLIC PROC ~ {
    tmi: TMIndex ← TMIndex.FIRST;
    tmLimit: TMIndex ~ (data.table).Top[tmtype];
    WriteString["\nType map:"L];
    UNTIL tmi = tmLimit DO PrintMapEntry[tmi]; tmi ← tmi + TMRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintMapEntry: PUBLIC PROC [tmi: TMIndex] ~ {
    OPEN tmb[tmi];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    PrintIndex[tmi];
    WriteDecimal[", entry: "L, offset];
    WriteString[", in: "L];  PrintVersion[version];
    WriteIndex[", mapped to: "L, map];
    (data.table).DropNotify[DebugNotify]};

  PrintSpaces: PUBLIC PROC ~ {
    spi: SPIndex ← SPIndex.FIRST;
    spLimit: SPIndex ~ (data.table).Top[sptype];
    WriteString["\nSpaces:"L];
    UNTIL spi = spLimit DO PrintSpace[spi]; spi ← spi + spb[spi].length+SPRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintSpace: PUBLIC PROC [spi: SPIndex] ~ {
    OPEN spb[spi];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    PrintIndex[spi];
    WriteIndex[", segment: "L, seg];  WriteDecimal[", length: "L, length];
    FOR i: CARDINAL IN [0..length) DO
      Indent[4];
      IF spaces[i].resident THEN WriteString[", resident"L];
      WriteOctal[", offset: "L, spaces[i].offset];
      WriteDecimal[", pages: "L, spaces[i].pages];
      WriteCR[];
      ENDLOOP;
    (data.table).DropNotify[DebugNotify]};

  PrintModules: PUBLIC PROC ~ {
    mti: MTIndex ← MTIndex.FIRST;
    mtLimit: MTIndex ~ (data.table).Top[mttype];
    WriteString["\nModules:"L];
    UNTIL mti = mtLimit DO
      PrintModule[mti];  
      mti ← mti + (WITH m~~mtb[mti] SELECT FROM
	      direct => MTRecord.direct.SIZE + m.length*Link.SIZE,
	      indirect => MTRecord.indirect.SIZE,
	      multiple => MTRecord.multiple.SIZE,
	      ENDCASE => ERROR); 
      ENDLOOP;
    WriteCR[]};

  PrintModule: PUBLIC PROC [mti: MTIndex] ~ {
    OPEN mtb[mti];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteName[name];  PrintIndex[mti];
    IF namedInstance THEN {
      WriteString["instance: "L]; WriteNameFromTable[[module[mti]]]};
    WriteString[", file: "L];  PrintFileName[file];
    WriteChar[' ];  PrintFileVersion[file]; PrintIndex[file];
    IF config # CTNull THEN { 
      WriteString[", config: "L]; WriteName[ctb[config].name]; PrintIndex[config]};
    Indent[4];
    WriteDecimal["framesize: "L, framesize];
    WriteDecimal[", gfi: "L, gfi];  WriteDecimal[", ngfi: "L, ngfi];
    WriteString[", links: "L];
    WriteString[IF linkLoc=frame THEN "frame"L ELSE "code"L];
    Indent[4];
    WriteString["code: "L];  PrintSegment[code.sgi];
    WriteOctal[", offset: "L, code.offset];
    WriteOctal[", length: "L, code.length];
    IF code.linkspace THEN WriteString[", space available for links"L];
    Indent[4];
    WriteString["symbols: "L];  PrintSegment[sseg];
    IF variables # EVNull THEN {Indent[4]; WriteIndex["variables: "L, variables]};
    WITH m~~mtb[mti] SELECT FROM
      direct => {
	Indent[4];
	WriteDecimal["number of links (direct): "L, m.length];
	WriteString[", control links:"L];
	FOR i: CARDINAL IN [0..m.length) DO
	  IF i MOD 8 = 0 THEN Indent[6] ELSE WriteChar[' ];
	  PrintControlLink[m.frag[i]];
	  IF i+1 # m.length THEN WriteChar[',];
	  ENDLOOP};
      indirect => IF m.links # LFNull THEN PrintLinkFrag[m.links];
      multiple => {
 	IF m.links # LFNull THEN PrintLinkFrag[m.links];
	IF m.refLiterals # RFNull THEN PrintRefLitFrag[m.refLiterals];
	IF m.types # TFNull THEN PrintTypeFrag[m.types]};
      ENDCASE;
    (data.table).DropNotify[DebugNotify]};

  PrintLinkFrag: PROC [lfi: LFIndex] ~ {
    Indent[4];
    WriteDecimal["number of links (indirect): "L, lfb[lfi].length];
    WriteString[", control links:"L];
    FOR i: CARDINAL IN [0..lfb[lfi].length) DO
      IF i MOD 8 = 0 THEN Indent[6] ELSE WriteChar[' ];
      PrintControlLink[lfb[lfi].frag[i]];
      IF i+1 # lfb[lfi].length THEN WriteChar[',];
      ENDLOOP};
    
  PrintRefLitFrag: PROC [rfi: RFIndex] ~ {
    Indent[4];  WriteDecimal["number of atoms: "L, rfb[rfi].length];
    WriteString[", atom and REF literal links:"L];
    FOR i: CARDINAL IN [0..rfb[rfi].length) DO
      IF i MOD 8 = 0 THEN Indent[6] ELSE WriteChar[' ];
      WriteDecimal[NIL, rfb[rfi].frag[i]];
      IF i+1 # rfb[rfi].length THEN WriteChar[',];
      ENDLOOP};
    
  PrintTypeFrag: PROC [tfi: TFIndex] ~ {
    Indent[4];
    WriteDecimal["number of types: "L, tfb[tfi].length];
    WriteString[", type codes:"L];
    FOR i: CARDINAL IN [0..tfb[tfi].length) DO
      IF i MOD 8 = 0 THEN Indent[6] ELSE WriteChar[' ];
      WriteDecimal[NIL, tfb[tfi].frag[i]];
      IF i+1 # tfb[tfi].length THEN WriteChar[',];
      ENDLOOP};


  PrintSegment: PUBLIC PROC [sgi: SGIndex] ~ {
    OPEN sd~~sgb[sgi];
    PrintFileName[sd.file];
    WriteDecimal[" [base: "L, sd.base]; WriteDecimal[", pages: "L, sd.pages];
    IF sd.extraPages # 0 THEN WriteDecimal["+"L, sd.extraPages];
    WriteChar[']]};

  PrintFiles: PUBLIC PROC ~ {
    fti: FTIndex ← FTIndex.FIRST;
    ftLimit: FTIndex ~ (data.table).Top[fttype];
    WriteString["\nFiles:"L];
    UNTIL fti = ftLimit DO PrintFile[fti]; fti ← fti + FTRecord.SIZE ENDLOOP;
    WriteCR[]};

  PrintFile: PUBLIC PROC [fti: FTIndex] ~ {
    OPEN ftb[fti];
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteName[name];  PrintIndex[fti];
    WriteString[", version: "L];  PrintFileVersion[fti];
    (data.table).DropNotify[DebugNotify]};


 -- Utility Prints

  PrintControlLink: PROC [link: BcdDefs.Link] ~ {
    SELECT TRUE FROM
      link.proc => {WriteDecimal["proc["L, link.gfi]; WriteDecimal[","L, link.ep]};
      link.type => {WriteString["type["L]; PrintIndex[link.typeID]};
      ENDCASE => {WriteDecimal["var["L, link.vgfi]; WriteDecimal[","L, link.var]};
    WriteChar[']]};

  PrintFileName: PROC [fti: FTIndex] ~ {
    SELECT fti FROM
      FTNull => WriteString["(null)"L];
      FTSelf => WriteString["(self)"L];
      ENDCASE => WriteName[ftb[fti].name]};

  PrintFileVersion: PROC [fti: FTIndex] ~ INLINE
    {PrintVersion[ftb[fti].version]};

  PrintVersion: PROC [version: VersionStamp] ~ {
    WriteChar['(];
    IF version.time = 0 THEN WriteString["<null version>"L]
    ELSE {
      StampWords: CARDINAL ~ VersionStamp.SIZE;
      str: PACKED ARRAY [0..4*StampWords) OF [0..16) ~ LOOPHOLE[version];
      digit: STRING ~ "0123456789abcdef"L;
      WriteChar['"];
      FOR i: NAT IN [0..4*StampWords) DO WriteChar[digit[str[i]]] ENDLOOP;
      WriteChar['"]};
    WriteChar[')]};

  PrintIndex: PROC [index: UNSPECIFIED] ~ {
    WriteChar['[];
    IF index = Table.Limit-1 THEN WriteString["Null"L]
    ELSE CharIO.PutDecimal[data.errorStream, index];
    WriteChar[']]};

  WriteNameFromTable: PROC [n: Namee] ~ {
    ntLimit: NTIndex ~ (data.table).Top[nttype];
    FOR nti: NTIndex ← NTIndex.FIRST, nti + NTRecord.SIZE UNTIL nti = ntLimit DO
      IF ntb[nti].item = n THEN {WriteName[ntb[nti].name];  EXIT};
      ENDLOOP};


 -- Relocation printing

  PrintRelocations: PUBLIC PROC [relHead: BcdBindDefs.RelocHandle] ~ {
    WriteString["\nRelocations:"L];
    FOR rel: BcdBindDefs.RelocHandle ← relHead, rel.link UNTIL rel = NIL DO
      PrintRel[rel] ENDLOOP;
    WriteCR[]};

  PrintRel: PUBLIC PROC [rel: BcdBindDefs.RelocHandle] ~ {
    RelType: ARRAY BcdBindDefs.RelocType OF STRING ~ [
      outer:"outer"L, inner:"inner"L, file:"file "L];
    mti: MTIndex;
    (data.table).AddNotify[DebugNotify];
    Indent[2];
    WriteString[RelType[rel.type]];
    IF rel.import < CARDINAL[rel.importLimit-IMPIndex.FIRST] THEN {
      WriteDecimal[" imports: ["L, rel.import];
      WriteDecimal[".."L, (rel.importLimit-IMPIndex.FIRST)-IMPRecord.SIZE];
      WriteString["],"L]};
    WriteDecimal[" context: "L, LOOPHOLE[rel.context]];
    IF rel.type = file AND (mti ← rel.module+MTIndex.FIRST) # MTNull THEN {
      WriteString[", module: "L]; WriteName[mtb[mti].name]; PrintIndex[mti]};
    WriteDecimal[", firstgfi: "L, LOOPHOLE[rel.firstgfi]];
    WriteDecimal[", lastgfi: "L, LOOPHOLE[rel.lastgfi]];
    WriteDecimal[", dummygfi: "L, LOOPHOLE[rel.dummygfi]];
    WriteDecimal[", orig1stdummy: "L, LOOPHOLE[rel.originalfirstdummy]];
    (data.table).DropNotify[DebugNotify]};

  }.