tps_demo_dyna.htm

来自「Delphi脚本控件」· HTM 代码 · 共 133 行

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TPaxScripter Demo. Dynamic Arrays.
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<pre>
<font color="blue"><b>unit</b></font> Unit1;

<font color="blue"><b>interface</b></font>

<font color="blue"><b>uses</b></font>
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, BASE_PARSER, PaxScripter, PaxPascal;

<font color="blue"><b>type</b></font>
  TMyClass = <font color="blue"><b>class</b></font>(TPersistent)
    <font color="blue"><b>private</b></font>
      f: <font color="blue"><b>String</b></font>;
    <font color="blue"><b>public</b></font>
      <font color="blue"><b>constructor</b></font> Create(<font color="blue"><b>const</b></font> s: <font color="blue"><b>String</b></font>);
    <font color="blue"><b>published</b></font>
      <font color="blue"><b>property</b></font> P: <font color="blue"><b>String</b></font> <font color="blue"><b>read</b></font> f <font color="blue"><b>write</b></font> f;
  <font color="blue"><b>end</b></font>;

  TDynaArrInt = array <font color="blue"><b>of</b></font> Integer;
  TDynaArrMyClass = array <font color="blue"><b>of</b></font> TMyClass;

  TForm1 = <font color="blue"><b>class</b></font>(TForm)
    PaxScripter1: TPaxScripter;
    PaxPascal1: TPaxPascal;
    Button1: TButton;
    <font color="blue"><b>procedure</b></font> Button1Click(Sender: TObject);
    <font color="blue"><b>procedure</b></font> PaxScripter1AssignScript(Sender: TPaxScripter);
    <font color="blue"><b>procedure</b></font> FormCreate(Sender: TObject);
  <font color="blue"><b>private</b></font>
    { <font color="blue"><b>Private</b></font> declarations }
    A: TDynaArrInt;
    B: TDynaArrMyClass;
  <font color="blue"><b>public</b></font>
    { <font color="blue"><b>Public</b></font> declarations }
  <font color="blue"><b>end</b></font>;

<font color="blue"><b>var</b></font>
  Form1: TForm1;

<font color="blue"><b>implementation</b></font>

{$R *.DFM}

<font color="blue"><b>procedure</b></font> TForm1.Button1Click(Sender: TObject);
<font color="blue"><b>begin</b></font>
   PaxScripter1.Run;
   ShowMessage(IntToStr(A[3]));
   ShowMessage(B[2].P);
   ShowMessage(B[3].P);
<font color="blue"><b>end</b></font>;

<font color="blue"><b>procedure</b></font> TForm1.PaxScripter1AssignScript(Sender: TPaxScripter);
<font color="blue"><b>begin</b></font>
  PaxScripter1.AddModule(<font color="Red">'1'</font>, <font color="Red">'paxPascal'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'var x, y: TDynaArrInt;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'var z: array of Integer;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print B[2].P;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'B[2].P := <font color="Red">"pqr"</font>;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'B[3] := TMyClass.Create(<font color="Red">"xyz"</font>);'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'SetLength(z, 5);'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'z[3] := 5;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print z[3];'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'SetLength(x, 10);'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'x[5] := 8;'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'y := Test(x);'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print y[2];'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print x[5];'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print Length(x);'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'print A[3];'</font>);
  PaxScripter1.AddCode(<font color="Red">'1'</font>, <font color="Red">'A[3] := 88;'</font>);
<font color="blue"><b>end</b></font>;

<font color="blue"><b>function</b></font> Test(P: TDynaArrInt): TDynaArrInt;
<font color="blue"><b>begin</b></font>
  ShowMessage(IntToStr(P[5]));
  SetLength(result, 20);
  result[2] := 123;
<font color="blue"><b>end</b></font>;

<font color="blue"><b>procedure</b></font> TForm1.FormCreate(Sender: TObject);
<font color="blue"><b>begin</b></font>
  SetLength(A, 15);
  A[3] := 77;
  SetLength(B, 15);
  B[2] := TMyClass.Create(<font color="Red">'abc'</font>);
  PaxScripter1.RegisterVariable(<font color="Red">'A'</font>, <font color="Red">'TDynaArrInt'</font>, @A);
  PaxScripter1.RegisterVariable(<font color="Red">'B'</font>, <font color="Red">'TDynaArrMyClass'</font>, @B);
<font color="blue"><b>end</b></font>;

<font color="blue"><b>constructor</b></font> TMyClass.Create(<font color="blue"><b>const</b></font> s: <font color="blue"><b>String</b></font>);
<font color="blue"><b>begin</b></font>
  f := s;
<font color="blue"><b>end</b></font>;

initialization

RegisterClassType(TMyClass);
RegisterMethod(TMyClass, <font color="Red">'constructor Create(const s: String);'</font>, @TMyClass.Create);
RegisterDynamicArrayType(<font color="Red">'TDynaArrInt'</font>, <font color="Red">'Integer'</font>);
RegisterDynamicArrayType(<font color="Red">'TDynaArrMyClass'</font>, <font color="Red">'TMyClass'</font>);
RegisterRoutine(<font color="Red">'function Test(P: TDynaArrInt): TDynaArrInt;'</font>, @Test);
<font color="blue"><b>end</b></font>.
</pre>
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