freepascal.compiler/packages/fcl-passrc/tests/tcbaseparser.pas

unit tcbaseparser;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, fpcunit, pastree, pscanner, pparser, testregistry;

const
  DefaultMainFilename = 'afile.pp';
Type
  { TTestEngine }

  TTestEngine = Class(TPasTreeContainer)
  Private
    FList : TFPList;
  public
    Destructor Destroy; override;
    function CreateElement(AClass: TPTreeElement; const AName: String;
      AParent: TPasElement; AVisibility: TPasMemberVisibility;
      const ASourceFilename: String; ASourceLinenumber: Integer): TPasElement;
      override;
    function FindElement(const AName: String): TPasElement; override;
  end;
  TTestPasParser = Class(TPasParser);

  { TTestParser }

  TTestParser = class(TTestCase)
  Private
    FDeclarations: TPasDeclarations;
    FDefinition: TPasElement;
    FEngine : TPasTreeContainer;
    FMainFilename: string;
    FModule: TPasModule;
    FParseResult: TPasElement;
    FScanner : TPascalScanner;
    FResolver : TStreamResolver;
    FParser : TTestPasParser;
    FSource: TStrings;
    FFileName : string;
    FIsUnit : Boolean;
    FImplementation : Boolean;
    FEndSource: Boolean;
    FUseImplementation: Boolean;
    function GetPL: TPasLibrary;
    function GetPP: TPasProgram;
    procedure CleanupParser;
    procedure SetupParser;
  protected
    procedure SetUp; override;
    procedure TearDown; override;
    procedure CreateEngine(var TheEngine: TPasTreeContainer); virtual;
    Procedure StartUnit(AUnitName : String);
    Procedure StartProgram(AFileName : String; AIn : String = ''; AOut : String = '');
    Procedure StartLibrary(AFileName : String);
    Procedure UsesClause(Units : Array of string);
    Procedure StartImplementation;
    Procedure EndSource;
    Procedure Add(Const ALine : String);
    Procedure Add(Const Lines : array of String);
    Procedure StartParsing;
    Procedure ParseDeclarations;
    Procedure ParseModule;
    procedure ResetParser;
    Procedure CheckHint(AHint : TPasMemberHint);
    Function AssertExpression(Const Msg: String; AExpr : TPasExpr; aKind : TPasExprKind; AClass : TClass) : TPasExpr;
    Function AssertExpression(Const Msg: String; AExpr : TPasExpr; aKind : TPasExprKind; AValue : String) : TPrimitiveExpr;
    Procedure AssertExportSymbol(Const Msg: String; AIndex : Integer; AName,AExportName : String; AExportIndex : Integer = -1);
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TPasExprKind); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TLoopType); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TPasObjKind); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TexprOpcode); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TPasMemberHint); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TCallingConvention); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TArgumentAccess); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TVariableModifier); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TVariableModifiers); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TPasMemberVisibility); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TProcedureModifier); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TProcedureModifiers); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TProcTypeModifiers); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TAssignKind); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TProcedureMessageType); overload;
    Procedure AssertEquals(Const Msg : String; AExpected, AActual: TOperatorType); overload;
    Procedure AssertSame(Const Msg : String; AExpected, AActual: TPasElement); overload;
    Procedure HaveHint(AHint : TPasMemberHint; AHints : TPasMemberHints);
    Property Resolver : TStreamResolver Read FResolver;
    Property Scanner : TPascalScanner Read FScanner;
    Property Engine : TPasTreeContainer read FEngine;
    Property Parser : TTestPasParser read FParser ;
    Property Source : TStrings Read FSource;
    Property Module : TPasModule Read FModule;
    Property PasProgram : TPasProgram Read GetPP;
    Property PasLibrary : TPasLibrary Read GetPL;
    Property Declarations : TPasDeclarations read FDeclarations Write FDeclarations;
    Property Definition : TPasElement Read FDefinition Write FDefinition;
    // If set, Will be freed in teardown
    Property ParseResult : TPasElement Read FParseResult Write FParseResult;
    Property UseImplementation : Boolean Read FUseImplementation Write FUseImplementation;
    Property MainFilename: string read FMainFilename write FMainFilename;
  end;

function ExtractFileUnitName(aFilename: string): string;
function GetPasElementDesc(El: TPasElement): string;
procedure ReadNextPascalToken(var Position: PChar; out TokenStart: PChar;
  NestedComments: boolean; SkipDirectives: boolean);

implementation

uses typinfo;

function ExtractFileUnitName(aFilename: string): string;
var
  p: Integer;
begin
  Result:=ExtractFileName(aFilename);
  if Result='' then exit;
  for p:=length(Result) downto 1 do
    case Result[p] of
    '/','\': exit;
    '.':
      begin
      Delete(Result,p,length(Result));
      exit;
      end;
    end;
end;

function GetPasElementDesc(El: TPasElement): string;
begin
  if El=nil then exit('nil');
  Result:=El.Name+':'+El.ClassName+'['+El.SourceFilename+','+IntToStr(El.SourceLinenumber)+']';
end;

procedure ReadNextPascalToken(var Position: PChar; out TokenStart: PChar;
  NestedComments: boolean; SkipDirectives: boolean);
const
  IdentChars = ['a'..'z','A'..'Z','_','0'..'9'];
  HexNumberChars = ['0'..'9','a'..'f','A'..'F'];
var
  c1:char;
  CommentLvl: Integer;
  Src: PChar;
begin
  Src:=Position;
  // read till next atom
  while true do
    begin
    case Src^ of
    #0: break;
    #1..#32:  // spaces and special characters
      inc(Src);
    #$EF:
      if (Src[1]=#$BB)
      and (Src[2]=#$BF) then
        begin
        // skip UTF BOM
        inc(Src,3);
        end
      else
        break;
    '{':    // comment start or compiler directive
      if (Src[1]='$') and (not SkipDirectives) then
        // compiler directive
        break
      else begin
        // Pascal comment => skip
        CommentLvl:=1;
        while true do
          begin
          inc(Src);
          case Src^ of
          #0: break;
          '{':
            if NestedComments then
              inc(CommentLvl);
          '}':
            begin
            dec(CommentLvl);
            if CommentLvl=0 then
              begin
              inc(Src);
              break;
              end;
            end;
          end;
        end;
      end;
    '/':  // comment or real division
      if (Src[1]='/') then
        begin
        // comment start -> read til line end
        inc(Src);
        while not (Src^ in [#0,#10,#13]) do
          inc(Src);
        end
      else
        break;
    '(':  // comment, bracket or compiler directive
      if (Src[1]='*') then
        begin
        if (Src[2]='$') and (not SkipDirectives) then
          // compiler directive
          break
        else
          begin
          // comment start -> read til comment end
          inc(Src,2);
          CommentLvl:=1;
          while true do
            begin
            case Src^ of
            #0: break;
            '(':
              if NestedComments and (Src[1]='*') then
                inc(CommentLvl);
            '*':
              if (Src[1]=')') then
                begin
                dec(CommentLvl);
                if CommentLvl=0 then
                  begin
                  inc(Src,2);
                  break;
                  end;
                inc(Position);
                end;
            end;
            inc(Src);
            end;
        end;
      end else
        // round bracket open
        break;
    else
      break;
    end;
    end;
  // read token
  TokenStart:=Src;
  c1:=Src^;
  case c1 of
  #0:
    ;
  'A'..'Z','a'..'z','_':
    begin
    // identifier
    inc(Src);
    while Src^ in IdentChars do
      inc(Src);
    end;
  '0'..'9': // number
    begin
    inc(Src);
    // read numbers
    while (Src^ in ['0'..'9']) do
      inc(Src);
    if (Src^='.') and (Src[1]<>'.') then
      begin
      // real type number
      inc(Src);
      while (Src^ in ['0'..'9']) do
        inc(Src);
      end;
    if (Src^ in ['e','E']) then
      begin
      // read exponent
      inc(Src);
      if (Src^='-') then inc(Src);
      while (Src^ in ['0'..'9']) do
        inc(Src);
      end;
    end;
  '''','#':  // string constant
    while true do
      case Src^ of
      #0: break;
      '#':
        begin
        inc(Src);
        while Src^ in ['0'..'9'] do
          inc(Src);
        end;
      '''':
        begin
        inc(Src);
        while not (Src^ in ['''',#0]) do
          inc(Src);
        if Src^='''' then
          inc(Src);
        end;
      else
        break;
      end;
  '$':  // hex constant
    begin
    inc(Src);
    while Src^ in HexNumberChars do
      inc(Src);
    end;
  '&':  // octal constant or keyword as identifier (e.g. &label)
    begin
    inc(Src);
    if Src^ in ['0'..'7'] then
      while Src^ in ['0'..'7'] do
        inc(Src)
    else
      while Src^ in IdentChars do
        inc(Src);
    end;
  '{':  // compiler directive (it can't be a comment, because see above)
    begin
    CommentLvl:=1;
    while true do
      begin
      inc(Src);
      case Src^ of
      #0: break;
      '{':
        if NestedComments then
          inc(CommentLvl);
      '}':
        begin
        dec(CommentLvl);
        if CommentLvl=0 then
          begin
          inc(Src);
          break;
          end;
        end;
      end;
      end;
    end;
  '(':  // bracket or compiler directive
    if (Src[1]='*') then
      begin
      // compiler directive -> read til comment end
      inc(Src,2);
      while (Src^<>#0) and ((Src^<>'*') or (Src[1]<>')')) do
        inc(Src);
      inc(Src,2);
      end
    else
      // round bracket open
      inc(Src);
  #192..#255:
    begin
    // read UTF8 character
    inc(Src);
    if ((ord(c1) and %11100000) = %11000000) then
      begin
      // could be 2 byte character
      if (ord(Src[0]) and %11000000) = %10000000 then
        inc(Src);
      end
    else if ((ord(c1) and %11110000) = %11100000) then
      begin
      // could be 3 byte character
      if ((ord(Src[0]) and %11000000) = %10000000)
      and ((ord(Src[1]) and %11000000) = %10000000) then
        inc(Src,2);
      end
    else if ((ord(c1) and %11111000) = %11110000) then
      begin
      // could be 4 byte character
      if ((ord(Src[0]) and %11000000) = %10000000)
      and ((ord(Src[1]) and %11000000) = %10000000)
      and ((ord(Src[2]) and %11000000) = %10000000) then
        inc(Src,3);
      end;
    end;
  else
    inc(Src);
    case c1 of
    '<': if Src^ in ['>','='] then inc(Src);
    '.': if Src^='.' then inc(Src);
    '@':
      if Src^='@' then
        begin
        // @@ label
        repeat
          inc(Src);
        until not (Src^ in IdentChars);
        end
    else
      if (Src^='=') and (c1 in [':','+','-','/','*','<','>']) then
        inc(Src);
    end;
  end;
  Position:=Src;
end;

{ TTestEngine }

destructor TTestEngine.Destroy;
begin
  FreeAndNil(FList);
  inherited Destroy;
end;

function TTestEngine.CreateElement(AClass: TPTreeElement; const AName: String;
  AParent: TPasElement; AVisibility: TPasMemberVisibility;
  const ASourceFilename: String; ASourceLinenumber: Integer): TPasElement;
begin
  Result := AClass.Create(AName, AParent);
  Result.Visibility := AVisibility;
  Result.SourceFilename := ASourceFilename;
  Result.SourceLinenumber := ASourceLinenumber;
  if NeedComments and Assigned(CurrentParser) then
    begin
//    Writeln('Saving comment : ',CurrentParser.SavedComments);
    Result.DocComment:=CurrentParser.SavedComments;
    end;
  If not Assigned(FList) then
    FList:=TFPList.Create;
  FList.Add(Result);
end;

function TTestEngine.FindElement(const AName: String): TPasElement;

Var
  I : Integer;

begin
  Result:=Nil;
  if Assigned(FList) then
    begin
    I:=FList.Count-1;
    While (Result=Nil) and (I>=0) do
      begin
      if CompareText(TPasElement(FList[I]).Name,AName)=0 then
        Result:=TPasElement(Flist[i]);
      Dec(i);
      end;
    end;
end;

function TTestParser.GetPP: TPasProgram;
begin
  Result:=Module as TPasProgram;
end;

function TTestParser.GetPL: TPasLibrary;
begin
  Result:=Module as TPasLibrary;
end;

procedure TTestParser.SetupParser;

begin
  FResolver:=TStreamResolver.Create;
  FResolver.OwnsStreams:=True;
  FScanner:=TPascalScanner.Create(FResolver);
  CreateEngine(FEngine);
  FParser:=TTestPasParser.Create(FScanner,FResolver,FEngine);
  FSource:=TStringList.Create;
  FModule:=Nil;
  FDeclarations:=Nil;
  FEndSource:=False;
  FImplementation:=False;
  FIsUnit:=False;
end;

procedure TTestParser.CleanupParser;

begin
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser START');
  {$ENDIF}
  if Not Assigned(FModule) then
    FreeAndNil(FDeclarations)
  else
    FDeclarations:=Nil;
  FImplementation:=False;
  FEndSource:=False;
  FIsUnit:=False;
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FModule');
  {$ENDIF}
  if Assigned(FModule) then
    ReleaseAndNil(TPasElement(FModule));
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FSource');
  {$ENDIF}
  FreeAndNil(FSource);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FParseResult');
  {$ENDIF}
  FreeAndNil(FParseResult);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FParser');
  {$ENDIF}
  FreeAndNil(FParser);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FEngine');
  {$ENDIF}
  FreeAndNil(FEngine);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FScanner');
  {$ENDIF}
  FreeAndNil(FScanner);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser FResolver');
  {$ENDIF}
  FreeAndNil(FResolver);
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.CleanupParser END');
  {$ENDIF}
end;

procedure TTestParser.ResetParser;

begin
  CleanupParser;
  SetupParser;
end;

procedure TTestParser.SetUp;
begin
  FMainFilename:=DefaultMainFilename;
  Inherited;
  SetupParser;
end;

procedure TTestParser.TearDown;
begin
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.TearDown START CleanupParser');
  {$ENDIF}
  CleanupParser;
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.TearDown inherited');
  {$ENDIF}
  Inherited;
  {$IFDEF VerbosePasResolverMem}
  writeln('TTestParser.TearDown END');
  {$ENDIF}
end;

procedure TTestParser.CreateEngine(var TheEngine: TPasTreeContainer);
begin
  TheEngine:=TTestEngine.Create;
end;

procedure TTestParser.StartUnit(AUnitName: String);
begin
  FIsUnit:=True;
  If (AUnitName='') then
    AUnitName:=ExtractFileUnitName(MainFilename);
  Add('unit '+aUnitName+';');
  Add('');
  Add('interface');
  Add('');
  FFileName:=AUnitName+'.pp';
end;

procedure TTestParser.StartProgram(AFileName : String; AIn : String = ''; AOut : String = '');
begin
  FIsUnit:=False;
  If (AFileName='') then
    AFileName:='proga';
  FFileName:=AFileName+'.pp';
  If (AIn<>'') then
    begin
    AFileName:=AFileName+'('+AIn;
    if (AOut<>'') then
      AFileName:=AFileName+','+AOut;
    AFileName:=AFileName+')';
    end;
  Add('program '+AFileName+';');
  FImplementation:=True;
end;

procedure TTestParser.StartLibrary(AFileName: String);
begin
  FIsUnit:=False;
  If (AFileName='') then
    AFileName:='liba';
  FFileName:=AFileName+'.pp';
  Add('library '+AFileName+';');
  FImplementation:=True;
end;

procedure TTestParser.UsesClause(Units: array of string);

Var
  S : String;
  I : integer;

begin
  S:='';
  For I:=Low(units) to High(units) do
    begin
    If (S<>'') then
        S:=S+', ';
    S:=S+Units[i];
    end;
  Add('uses '+S+';');
  Add('');
end;

procedure TTestParser.StartImplementation;
begin
  if Not FImplementation then
    begin
    if UseImplementation then
      begin
      FSource.Insert(0,'');
      FSource.Insert(0,'Implementation');
      FSource.Insert(0,'');
      end
    else
      begin
      Add('');
      Add('Implementation');
      Add('');
      end;
    FImplementation:=True;
    end;
end;

procedure TTestParser.EndSource;
begin
  if Not FEndSource then
    begin
    Add('end.');
    FEndSource:=True;
    end;
end;

procedure TTestParser.Add(const ALine: String);
begin
  FSource.Add(ALine);
end;

procedure TTestParser.Add(const Lines: array of String);
var
  i: Integer;
begin
  for i:=Low(Lines) to High(Lines) do
    Add(Lines[i]);
end;

procedure TTestParser.StartParsing;

var
  i: Integer;
begin
  If FIsUnit then
    StartImplementation;
  EndSource;
  If (FFileName='') then
    FFileName:=MainFilename;
  FResolver.AddStream(FFileName,TStringStream.Create(FSource.Text));
  FScanner.OpenFile(FFileName);
  Writeln('// Test : ',Self.TestName);
  for i:=0 to FSource.Count-1 do
    Writeln(Format('%:4d: ',[i+1]),FSource[i]);
end;

procedure TTestParser.ParseDeclarations;
begin
  if UseImplementation then
    StartImplementation;
  FSource.Insert(0,'');
  FSource.Insert(0,'interface');
  FSource.Insert(0,'');
  FSource.Insert(0,'unit afile;');
  if Not UseImplementation then
    StartImplementation;
  EndSource;
  ParseModule;
  if UseImplementation then
    FDeclarations:=Module.ImplementationSection
  else
    FDeclarations:=Module.InterfaceSection;
end;

procedure TTestParser.ParseModule;
begin
  StartParsing;
  FParser.ParseMain(FModule);
  AssertNotNull('Module resulted in Module',FModule);
  AssertEquals('modulename',ChangeFileExt(FFileName,''),Module.Name);
end;

procedure TTestParser.CheckHint(AHint: TPasMemberHint);
begin
  HaveHint(AHint,Definition.Hints);
end;

function TTestParser.AssertExpression(const Msg: String; AExpr: TPasExpr;
  aKind: TPasExprKind; AClass: TClass): TPasExpr;
begin
  AssertNotNull(AExpr);
  AssertEquals(Msg+': Correct expression kind',aKind,AExpr.Kind);
  AssertEquals(Msg+': Correct expression class',AClass,AExpr.ClassType);
  Result:=AExpr;
end;

function TTestParser.AssertExpression(const Msg: String; AExpr: TPasExpr;
  aKind: TPasExprKind; AValue: String): TPrimitiveExpr;
begin
  Result:=AssertExpression(Msg,AExpr,aKind,TPrimitiveExpr) as TPrimitiveExpr;
  AssertEquals(Msg+': Primitive expression value',AValue,TPrimitiveExpr(AExpr).Value);
end;

procedure TTestParser.AssertExportSymbol(const Msg: String; AIndex: Integer;
  AName, AExportName: String; AExportIndex: Integer);

Var
  E: TPasExportSymbol;

begin
  AssertNotNull(Msg+'Have export symbols list',PasLibrary.LibrarySection.ExportSymbols);
  if AIndex>=PasLibrary.LibrarySection.ExportSymbols.Count then
    Fail(Format(Msg+'%d not a valid export list symbol',[AIndex]));
  AssertNotNull(Msg+'Have export symbol',PasLibrary.LibrarySection.ExportSymbols[Aindex]);
  AssertEquals(Msg+'Correct export symbol class',TPasExportSymbol,TObject(PasLibrary.LibrarySection.ExportSymbols[Aindex]).ClassType);
  E:=TPasExportSymbol(PasLibrary.LibrarySection.ExportSymbols[Aindex]);
  AssertEquals(Msg+'Correct export symbol name',AName,E.Name);
  if (AExportName='') then
    AssertNull(Msg+'No export name',E.ExportName)
  else
    begin
    AssertNotNull(Msg+'Export name symbol',E.ExportName);
    AssertEquals(Msg+'TPrimitiveExpr',TPrimitiveExpr,E.ExportName.CLassType);
    AssertEquals(Msg+'Correct export symbol export name ',''''+AExportName+'''',TPrimitiveExpr(E.ExportName).Value);
    end;
  If AExportIndex=-1 then
    AssertNull(Msg+'No export name',E.ExportIndex)
  else
    begin
    AssertNotNull(Msg+'Export name symbol',E.ExportIndex);
    AssertEquals(Msg+'TPrimitiveExpr',TPrimitiveExpr,E.ExportIndex.CLassType);
    AssertEquals(Msg+'Correct export symbol export index',IntToStr(AExportindex),TPrimitiveExpr(E.ExportIndex).Value);
    end;
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TPasExprKind);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TPasExprKind),Ord(AExpected)),
                   GetEnumName(TypeInfo(TPasExprKind),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TLoopType);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TLoopType),Ord(AExpected)),
                   GetEnumName(TypeInfo(TLoopType),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TPasObjKind);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TPasObjKind),Ord(AExpected)),
                   GetEnumName(TypeInfo(TPasObjKind),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TexprOpcode);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TexprOpcode),Ord(AExpected)),
                   GetEnumName(TypeInfo(TexprOpcode),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TPasMemberHint);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TPasMemberHint),Ord(AExpected)),
                   GetEnumName(TypeInfo(TPasMemberHint),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TCallingConvention);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TCallingConvention),Ord(AExpected)),
                   GetEnumName(TypeInfo(TCallingConvention),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TArgumentAccess);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TArgumentAccess),Ord(AExpected)),
                   GetEnumName(TypeInfo(TArgumentAccess),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TVariableModifier);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TVariableModifier),Ord(AExpected)),
                   GetEnumName(TypeInfo(TVariableModifier),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TVariableModifiers);

 Function sn (S : TVariableModifiers) : string;

 Var
   M : TVariableModifier;

 begin
   Result:='';
   For M:=Low(TVariableModifier) to High(TVariableModifier) do
     if M in S then
       begin
       if (Result<>'') then
         Result:=Result+',';
       end;
   Result:='['+Result+']';
 end;

begin
  AssertEquals(Msg,Sn(AExpected),Sn(AActual));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TPasMemberVisibility);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TPasMemberVisibility),Ord(AExpected)),
                   GetEnumName(TypeInfo(TPasMemberVisibility),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TProcedureModifier);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TProcedureModifier),Ord(AExpected)),
                   GetEnumName(TypeInfo(TProcedureModifier),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TProcedureModifiers);

  Function Sn (S : TProcedureModifiers) : String;

  Var
    m : TProcedureModifier;
  begin
    Result:='';
    For M:=Low(TProcedureModifier) to High(TProcedureModifier) do
      If (m in S) then
        begin
        If (Result<>'') then
           Result:=Result+',';
        Result:=Result+GetEnumName(TypeInfo(TProcedureModifier),Ord(m))
        end;
  end;
begin
  AssertEquals(Msg,Sn(AExpected),SN(AActual));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TProcTypeModifiers);

  Function Sn (S : TProcTypeModifiers) : String;

  Var
    m : TProcTypeModifier;
  begin
    Result:='';
    For M:=Low(TProcTypeModifier) to High(TProcTypeModifier) do
      If (m in S) then
        begin
        If (Result<>'') then
           Result:=Result+',';
        Result:=Result+GetEnumName(TypeInfo(TProcTypeModifier),Ord(m))
        end;
  end;
begin
  AssertEquals(Msg,Sn(AExpected),SN(AActual));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TAssignKind);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TAssignKind),Ord(AExpected)),
                   GetEnumName(TypeInfo(TAssignKind),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TProcedureMessageType);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TProcedureMessageType),Ord(AExpected)),
                   GetEnumName(TypeInfo(TProcedureMessageType),Ord(AActual)));
end;

procedure TTestParser.AssertEquals(const Msg: String; AExpected,
  AActual: TOperatorType);
begin
  AssertEquals(Msg,GetEnumName(TypeInfo(TOperatorType),Ord(AExpected)),
                   GetEnumName(TypeInfo(TOperatorType),Ord(AActual)));
end;

procedure TTestParser.AssertSame(const Msg: String; AExpected,
  AActual: TPasElement);
begin
  if AExpected=AActual then exit;
  AssertEquals(Msg,GetPasElementDesc(AExpected),GetPasElementDesc(AActual));
end;

procedure TTestParser.HaveHint(AHint: TPasMemberHint; AHints: TPasMemberHints);
begin
  If not (AHint in AHints) then
    Fail(GetEnumName(TypeInfo(TPasMemberHint),Ord(AHint))+'hint expected.');
end;

end.