unit jtag.svfProgram;

interface
uses
   jtag.svfAstNode,
   System.Contnrs;

const
	stRESET		   =  0;
	stIDLE		   =  1;

	stDRSELECT	   =  2;
	stDRCAPTURE	   =  3;
	stDRSHIFT		=  4;
	stDRPAUSE		=  5;
	stDREXIT1		=  6;
	stDREXIT2		=  7;
	stDRUPDATE	   =  8;

	stIRSELECT	   =  9;
	stIRCAPTURE	   = 10;
	stIRSHIFT		= 11;
	stIRPAUSE		= 12;
	stIREXIT1		= 13;
	stIREXIT2		= 14;
	stIRUPDATE	   = 15;

   stNONDEF       = $ff;

type
   TsvfProgram = class
      private
         fStatements : TObjectList;

         function    GetStatementCount : integer;
         function    GetStatement(i: integer): TsvfAstNode;

      public
         procedure   AddStatement( Stmt: TsvfAstNode);

      public
         constructor Create;
         destructor  Destroy; override;

         procedure   Dump( FileName: string);

      public
         property    StatementCount          : integer      read  GetStatementCount;
         property    Statements[i: integer]  : TsvfAstNode  read  GetStatement;

   end;

implementation
uses
   System.Classes;

{ TsvfProgram }

// @@@: Constructor/destructor ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
//                               Constructor/destructor
//
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ======================================================================================
// Constructor
// ======================================================================================
constructor TsvfProgram.Create;
begin
   inherited;
   fStatements := TObjectList.Create( true);
end;

// ======================================================================================
// Destructor
// ======================================================================================
destructor TsvfProgram.Destroy;
begin
   fStatements.Free;
   inherited;
end;

// @@@: Interface +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
//                                      Interface
//
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ======================================================================================
// AddStatement
// ======================================================================================
procedure TsvfProgram.AddStatement(Stmt: TsvfAstNode);
begin
   fStatements.Add( Stmt);
end;

// ================================================================================================
// Dump
// ================================================================================================
procedure TsvfProgram.Dump(FileName: string);
var
   i     : integer;
   s     : AnsiString;
   stm   : TMemoryStream;


begin
   stm := TMemoryStream.Create;

   for i:=0 to StatementCount -1 do
   begin
      s := Statements[i].AsText;
      stm.Write(s[1], Length(s));
   end;

   stm.SaveToFile(FileName);
   stm.Free
end;


// @@@: Property Handlers +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
//                                  Property Handlers
//
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// ======================================================================================
// GetStatementCount
// ======================================================================================
function TsvfProgram.GetStatementCount: integer;
begin
   result := fStatements.Count;
end;

// ======================================================================================
// GetStatement
// ======================================================================================
function TsvfProgram.GetStatement(i: integer): TsvfAstNode;
begin
   if (i>=0) and (i<fStatements.Count)
      then result := fStatements[i] as TsvfAstNode
      else result := nil
end;


end.