tps_demo_codeexpl.htm

来自「Delphi脚本控件」· HTM 代码 · 共 263 行

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<h3>
TpaxScripter Demo. Code Explorer.
</h3>
<hr>

<PRE>
<B>unit</B> CodeExplorer;   
<P></P>
<B>interface</B>   
<P></P>
<B>uses</B>   
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,   
  StdCtrls, ComCtrls, ExtCtrls,   
<P></P>
  contnrs,   
  PaxScripter, PaxPascal;   
<B>type</B>   
  TForm1 = <B>class</B>(TForm)   
    Panel1: TPanel;   
    Memo1: TMemo;   
    TreeView1: TTreeView;   
    Button1: TButton;   
    Button2: TButton;   
    OpenDialog1: TOpenDialog;   
    PaxScripter1: TPaxScripter;   
    PaxPascal1: TPaxPascal;   
    <B>procedure</B> Button1Click(Sender: TObject);   
    <B>procedure</B> FormCreate(Sender: TObject);   
    <B>procedure</B> TreeView1DblClick(Sender: TObject);   
    <B>procedure</B> FormDestroy(Sender: TObject);   
    <B>procedure</B> Button2Click(Sender: TObject);   
    <B>procedure</B> TreeView1Click(Sender: TObject);   
  <B>private</B>   
    { <B>private</B> declarations }   
    Module: Integer;   
    PosList: TObjectList;   
    <B>procedure</B> EnumProc(<B>const</B> Name: <B>string</B>;   
                       ID: Integer;   
                       Kind: TPAXMemberKind;   
                       ml: TPAXModifierList;   
                       Data: Pointer);   
     <B>procedure</B> SetupClassNode(N: TTreeNode; ID: Integer);   
     <B>procedure</B> SetupFuncNode(N: TTreeNode; ID: Integer);   
  <B>public</B>   
    { <B>public</B> declarations }   
  <B>end</B>;   
<P></P>
<B>var</B>   
  Form1: TForm1;   
<P></P>
<B>implementation</B>   
<P></P>
{$R *.DFM}   
<P></P>
<B>type</B>   
  PNodeRec = ^TNodeRec;   
  TNodeRec = <B>record</B>   
    NParams, NFields, NConsts, NMethods, NProperties, NClasses: TTreeNode;   
  <B>end</B>;   
<P></P>
  TPosObject = <B>class</B>   
    Module, Position, Length: Integer;   
    <B>constructor</B> Create(Module, Position, Length: Integer);   
  <B>end</B>;   
<P></P>
<B>constructor</B> TPosObject.Create(Module, Position, Length: Integer);   
<B>begin</B>   
  Self.Module := Module;   
  Self.Position := Position;   
  Self.Length := Length;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.SetupClassNode(N: TTreeNode; ID: Integer);   
<B>var</B>   
  R: TNodeRec;   
<B>begin</B>   
  <B>with</B> TreeView1.Items <B>do</B>   
  <B>begin</B>   
    <B>with</B> R <B>do</B>   
    <B>begin</B>   
      NConsts := AddChild(N, <font color="red">'Constants'</font>);   
      NFields := AddChild(N, <font color="red">'Fields'</font>);   
      NMethods := AddChild(N, <font color="red">'Methods'</font>);   
      NProperties := AddChild(N, <font color="red">'Properties'</font>);   
      NClasses := AddChild(N, <font color="red">'Nested classes'</font>);   
    <B>end</B>;   
<P></P>
    PaxScripter1.EnumMembers(ID, Module, EnumProc, @R);   
<P></P>
    <B>with</B> R <B>do</B>   
    <B>begin</B>   
      <B>if</B> NConsts.Count = 0 <B>then</B>   
        NConsts.Delete;   
      <B>if</B> NFields.Count = 0 <B>then</B>   
        NFields.Delete;   
      <B>if</B> NMethods.Count = 0 <B>then</B>   
        NMethods.Delete;   
      <B>if</B> NProperties.Count = 0 <B>then</B>   
        NProperties.Delete;   
      <B>if</B> NClasses.Count = 0 <B>then</B>   
        NClasses.Delete;   
    <B>end</B>;   
  <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.SetupFuncNode(N: TTreeNode; ID: Integer);   
<B>var</B>   
  R: TNodeRec;   
<B>begin</B>   
  <B>with</B> TreeView1.Items <B>do</B>   
  <B>begin</B>   
    <B>with</B> R <B>do</B>   
    <B>begin</B>   
      NParams := AddChild(N, <font color="red">'Parameters'</font>);   
      NConsts := AddChild(N, <font color="red">'Constants'</font>);   
      NFields := AddChild(N, <font color="red">'Local variables'</font>);   
      NMethods := AddChild(N, <font color="red">'Nested routines'</font>);   
      NClasses := AddChild(N, <font color="red">'Nested classes'</font>);   
    <B>end</B>;   
<P></P>
    PaxScripter1.EnumMembers(ID, Module, EnumProc, @R);   
<P></P>
    <B>with</B> R <B>do</B>   
    <B>begin</B>   
      <B>if</B> NParams.Count = 0 <B>then</B>   
        NParams.Delete;   
      <B>if</B> NConsts.Count = 0 <B>then</B>   
        NConsts.Delete;   
      <B>if</B> NFields.Count = 0 <B>then</B>   
        NFields.Delete;   
      <B>if</B> NMethods.Count = 0 <B>then</B>   
        NMethods.Delete;   
      <B>if</B> NClasses.Count = 0 <B>then</B>   
        NClasses.Delete;   
    <B>end</B>;   
  <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.EnumProc(<B>const</B> Name: <B>string</B>;   
                          ID: Integer;   
                          Kind: TPAXMemberKind;   
                          ml: TPAXModifierList;   
                          Data: Pointer);   
<B>var</B>   
  P: PNodeRec;   
  TypeName: <B>string</B>;   
  PosObject: TPosObject;   
<B>begin</B>   
  <B>with</B> PaxScripter1 <B>do</B>   
    PosObject := TPosObject.Create(GetModule(ID),   
                                   GetPosition(ID),   
                                   Length(GetName(ID)));   
  PosList.Add(PosObject);   
<P></P>
  P := PNodeRec(Data);   
<P></P>
  <B>with</B> PaxScripter1 <B>do</B>   
    TypeName := GetName(GetTypeID(ID));   
<P></P>
  <B>with</B> TreeView1.Items <B>do</B>   
  case Kind of   
    mkParam: AddChildObject(P^.NParams, Name + <font color="red">': '</font> + TypeName, PosObject);   
    mkField: AddChildObject(P^.NFields, Name + <font color="red">': '</font> + TypeName, PosObject);   
    mkMethod: SetupFuncNode(AddChildObject(P^.NMethods, Name, PosObject), ID);   
    mkConst: AddChildObject(P^.NConsts, Name + <font color="red">': '</font> + TypeName, PosObject);   
    mkClass: SetupClassNode(AddChildObject(P^.NClasses, Name, PosObject), ID);   
    mkProp: AddChildObject(P^.NProperties, Name  + <font color="red">': '</font> + TypeName, PosObject);   
  <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.Button1Click(Sender: TObject);   
<B>begin</B>   
  <B>with</B> OpenDialog1 <B>do</B>   
  <B>begin</B>   
    Filter := <font color="red">'paxPascal (*'</font> + <font color="red">'.pp'</font> + <font color="red">'|*'</font> + <font color="red">'.pp'</font>;   
    <B>if</B> Execute <B>then</B>   
    <B>begin</B>   
      <B>if</B> Pos(<font color="red">'.'</font>, FileName) = 0 <B>then</B>   
        FileName := FileName + <font color="red">'.pp'</font>;   
      Memo1.Lines.LoadFromFile(FileName);   
    <B>end</B>;   
  <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.Button2Click(Sender: TObject);   
<B>begin</B>   
  PaxScripter1.ResetScripter;   
  Module := PaxScripter1.AddModule(<font color="red">'Main'</font>, <font color="red">'paxPascal'</font>);   
  PaxScripter1.AddCode(<font color="red">'Main'</font>, Memo1.Lines.Text);   
  PaxScripter1.Compile;   
  <B>with</B> TreeView1.Items <B>do</B>   
  <B>begin</B>   
    Clear;   
    SetupClassNode(Add(nil, <font color="red">'Noname namespace'</font>), PaxScripter1.GetRootID);   
  <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.FormCreate(Sender: TObject);   
<B>var</B>   
  S: <B>string</B>;   
<B>begin</B>   
  S := ExtractFileDir(Application.ExeName);   
  SetCurrentDir(S);   
  OpenDialog1.InitialDir := S;   
<P></P>
  PosList := TObjectList.Create;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.FormDestroy(Sender: TObject);   
<B>begin</B>   
  PosList.Free;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.TreeView1DblClick(Sender: TObject);   
<B>var</B>   
  N: TTreeNode;   
  PosObject: TPosObject;   
<B>begin</B>   
  N := TTreeView(Sender).Selected;   
<P></P>
  <B>if</B> N = nil <B>then</B>   
    Exit;   
<P></P>
  PosObject := TPosObject(N.Data);   
<P></P>
  <B>if</B> PosObject &lt&gt nil <B>then</B>   
    <B>if</B> PosObject.Module = Module <B>then</B>   
      <B>if</B> PosObject.Position &gt= 0 <B>then</B>   
    <B>with</B> Memo1 <B>do</B>   
    <B>begin</B>   
      SetFocus;   
      SelStart := PosObject.Position;   
      SelLength := PosObject.Length;   
    <B>end</B>;   
<B>end</B>;   
<P></P>
<B>procedure</B> TForm1.TreeView1Click(Sender: TObject);   
<B>begin</B>   
  TreeView1DblClick(Sender);   
<B>end</B>;   
<P></P>
<B>end</B>.   
</PRE>

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Copyright &copy; 1999-2005
VIRT Laboratory. All rights reserved.
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