315 lines
10 KiB
ObjectPascal
315 lines
10 KiB
ObjectPascal
unit MainUnit;
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interface
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uses
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System.SysUtils,
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System.Types,
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System.UITypes,
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System.Classes,
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System.Variants,
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FMX.Types,
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FMX.Controls,
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FMX.Forms,
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FMX.Graphics,
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FMX.Dialogs,
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FMX.Controls.Presentation,
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FMX.StdCtrls,
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FMX.WebBrowser,
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Winapi.WebView2,
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FMX.Memo.Types,
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FMX.ScrollBox,
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FMX.Memo,
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FMX.Edit,
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FMX.StdActns,
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// FMX.Edit für TEdit, FMX.StdActns oft für Standardaktionen
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// Korrekte und vollständige Units
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System.IOUtils,
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System.Threading,
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System.Diagnostics,
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Winapi.Windows,
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LLVM.Runner;
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const
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// Pfad zur HTML-Datei (BITTE HIER ANPASSEN!)
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PATH_BLOCKLY = 'T:\Myc\Blockly\index.html'; // <--- PRÜFEN UND ANPASSEN!
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// Pfade zu den LLVM-Werkzeugen (BITTE HIER ANPASSEN!)
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CLANG_PATH = 'clang.exe'; // <--- PRÜFEN UND ANPASSEN!
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LLD_PATH = 'lld-link.exe'; // <--- PRÜFEN UND ANPASSEN!
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type
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TMainForm = class(TForm)
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WebBrowser1: TWebBrowser;
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SaveWorkspaceButton: TSpeedButton;
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GenerateCodeButton: TSpeedButton;
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Memo: TMemo;
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InputEdit: TEdit; // <--- Hinzugefügt (Optional für Beschriftung des InputEdit)
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procedure FormCreate(Sender: TObject);
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procedure FormDestroy(Sender: TObject);
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procedure RefreshButtonClick(Sender: TObject);
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procedure SaveWorkspaceButtonClick(Sender: TObject);
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procedure GenerateCodeButtonClick(Sender: TObject);
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procedure WebBrowser1DidFinishLoad(ASender: TObject);
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private
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{ Private declarations }
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FWebView: ICoreWebView2;
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FWebMessageReceiver: ICoreWebView2WebMessageReceivedEventHandler;
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FWebMessageReceivedToken: EventRegistrationToken;
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procedure HandleWebMessage(const AMessage: string);
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function ExecuteProcess(const ACommand: string; const AParameters: string): string;
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public
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{ Public declarations }
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end;
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var
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MainForm: TMainForm;
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implementation
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{$R *.fmx}
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type
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TWebMessageReceiver = class(TInterfacedObject, ICoreWebView2WebMessageReceivedEventHandler)
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private
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FOwner: TMainForm;
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public
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constructor Create(AOwner: TMainForm);
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function Invoke(const Sender: ICoreWebView2; const args: ICoreWebView2WebMessageReceivedEventArgs): HResult; stdcall;
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end;
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constructor TWebMessageReceiver.Create(AOwner: TMainForm);
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begin
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inherited Create;
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FOwner := AOwner;
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end;
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function TWebMessageReceiver.Invoke(const Sender: ICoreWebView2; const args: ICoreWebView2WebMessageReceivedEventArgs): HResult;
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var
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message: PWideChar;
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begin
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Result := args.TryGetWebMessageAsString(message);
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if Succeeded(Result) then
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begin
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TThread.Queue(nil, procedure begin FOwner.HandleWebMessage(string(message)); end);
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end;
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Result := S_OK;
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end;
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procedure TMainForm.FormCreate(Sender: TObject);
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begin
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TLLVMRunner.Log := Memo.Lines;
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// Optional: Standardwert für InputEdit
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InputEdit.Text := '123';
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end;
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procedure TMainForm.FormDestroy(Sender: TObject);
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begin
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TLLVMRunner.Log := nil;
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if (FWebView <> nil) and (FWebMessageReceivedToken.value <> 0) then
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begin
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FWebView.remove_WebMessageReceived(FWebMessageReceivedToken);
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end;
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end;
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function TMainForm.ExecuteProcess(const ACommand: string; const AParameters: string): string;
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var
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sa: TSecurityAttributes;
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si: TStartupInfo;
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pi: TProcessInformation;
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stdOutRead, stdOutWrite: THandle;
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success: Boolean;
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cmdLine: string;
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buffer: TBytes;
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bytesRead: Cardinal;
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output, errors: string;
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begin
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// Pipe für StdOut und StdErr erstellen
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sa.nLength := SizeOf(TSecurityAttributes);
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sa.lpSecurityDescriptor := nil;
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sa.bInheritHandle := True;
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// Für stdout und stderr wird dieselbe Pipe verwendet, da clang Fehler auf stdout ausgibt
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if not CreatePipe(stdOutRead, stdOutWrite, @sa, 0) then
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Exit('Error creating pipe.');
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try
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// StartupInfo vorbereiten
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FillChar(si, SizeOf(TStartupInfo), 0);
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si.cb := SizeOf(TStartupInfo);
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si.dwFlags := STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW;
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si.wShowWindow := SW_HIDE; // Fenster explizit verstecken
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si.hStdInput := GetStdHandle(STD_INPUT_HANDLE);
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si.hStdOutput := stdOutWrite;
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si.hStdError := stdOutWrite; // Leite stderr auf dieselbe Pipe wie stdout
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cmdLine := Format('"%s" %s', [ACommand, AParameters]);
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success := CreateProcess(nil, PChar(cmdLine), nil, nil, True, CREATE_NO_WINDOW, nil, nil, si, pi);
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// Schreib-Handle der Pipe sofort schließen
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CloseHandle(stdOutWrite);
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if not success then
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Exit(Format('CreateProcess failed. Code: %d', [GetLastError]));
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try
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output := '';
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// Warten, bis der Prozess fertig ist und alle Daten in die Pipe geschrieben hat
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if WaitForSingleObject(pi.hProcess, 5000) = WAIT_TIMEOUT then // 5s Timeout
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begin
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TerminateProcess(pi.hProcess, 1);
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Exit('Process timed out.');
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end;
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// Bytes aus der Pipe lesen
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repeat
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SetLength(buffer, 1024);
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bytesRead := 0;
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if ReadFile(stdOutRead, buffer[0], Length(buffer), bytesRead, nil) and (bytesRead > 0) then
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begin
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SetLength(buffer, bytesRead);
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// Gelesene Bytes mit dem Default-System-Encoding in einen String umwandeln
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output := output + TEncoding.Default.GetString(buffer);
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end
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else
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begin
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break; // Pipe ist leer oder Fehler
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end;
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until False;
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finally
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CloseHandle(pi.hProcess);
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CloseHandle(pi.hThread);
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end;
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Result := output;
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finally
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CloseHandle(stdOutRead);
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end;
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end;
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procedure TMainForm.RefreshButtonClick(Sender: TObject);
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begin
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WebBrowser1.Navigate(PATH_BLOCKLY);
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end;
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procedure TMainForm.SaveWorkspaceButtonClick(Sender: TObject);
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begin
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WebBrowser1.EvaluateJavaScript('saveWorkspace()');
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end;
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procedure TMainForm.GenerateCodeButtonClick(Sender: TObject);
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begin
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WebBrowser1.EvaluateJavaScript('generateAndPostCode()');
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end;
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procedure TMainForm.HandleWebMessage(const AMessage: string);
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var
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llFile, objFile, dllFile: string;
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compilerOutput: string;
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success: Boolean;
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InputInteger: Integer; // <--- Hinzugefügt
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begin
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Memo.Lines.Clear;
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Memo.Lines.Add('LLVM-Code empfangen. Starte Kompilierung...');
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Memo.Lines.Add(AMessage);
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Memo.Lines.Add('--------------------');
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// Wert aus dem InputEdit-Feld holen
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try
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InputInteger := StrToIntDef(InputEdit.Text, 0); // Standardwert 0, falls ungültig
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except
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InputInteger := 0;
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Memo.Lines.Add('WARNUNG: Ungültige Eingabe im InputEdit-Feld. Verwende 0.');
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end;
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TTask.Run(
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procedure
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var
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llFileLocal, objFileLocal, dllFileLocal: string; // Lokale Variablen für den Task
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compilerOutputLocal: string;
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successLocal: Boolean;
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begin
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llFileLocal := TPath.Combine(TPath.GetTempPath, 'poc.ll');
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objFileLocal := TPath.ChangeExtension(llFileLocal, '.obj');
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dllFileLocal := TPath.ChangeExtension(llFileLocal, '.dll');
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successLocal := False;
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try
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TFile.WriteAllText(llFileLocal, AMessage);
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TThread.Queue(nil, procedure begin Memo.Lines.Add('Kompiliere zu Objektdatei...'); end);
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compilerOutputLocal := ExecuteProcess(CLANG_PATH, Format('-c "%s" -o "%s"', [llFileLocal, objFileLocal]));
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TThread.Queue(nil, procedure begin Memo.Lines.Add(compilerOutputLocal); end);
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if not TFile.Exists(objFileLocal) then
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begin
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TThread
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.Queue(nil, procedure begin Memo.Lines.Add('FEHLER: Kompilierung fehlgeschlagen. .obj-Datei nicht erstellt.'); end);
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Exit;
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end;
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TThread.Queue(nil, procedure begin Memo.Lines.Add('Linke zu DLL...'); end);
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compilerOutputLocal := ExecuteProcess(LLD_PATH, Format('/dll /noentry "%s" /out:"%s"', [objFileLocal, dllFileLocal]));
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TThread.Queue(nil, procedure begin Memo.Lines.Add(compilerOutputLocal); end);
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if TFile.Exists(dllFileLocal) then
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begin
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successLocal := True;
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TThread.Queue(nil, procedure begin Memo.Lines.Add(Format('ERFOLG: DLL wurde erstellt: %s', [dllFileLocal])); end);
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end
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else
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begin
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TThread.Queue(nil, procedure begin Memo.Lines.Add('FEHLER: Linken fehlgeschlagen. .dll-Datei nicht erstellt.'); end);
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end;
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finally
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if TFile.Exists(llFileLocal) then
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TFile.Delete(llFileLocal);
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if TFile.Exists(objFileLocal) then
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TFile.Delete(objFileLocal);
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if not successLocal and TFile.Exists(dllFileLocal) then
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TFile.Delete(dllFileLocal);
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end;
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TThread.Queue(
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nil,
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procedure
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begin
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Memo.Lines.Add('---------------------------------------------------------');
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Memo.Lines.Add('DLL wird aufgerufen:');
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if TFile.Exists(dllFileLocal) then
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begin
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var Runner := TLLVMRunner.Create(dllFileLocal);
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try
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Runner.Execute(InputInteger); // <--- HIER DEN INPUT-PARAMETER ÜBERGEBEN
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finally
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Runner.Free;
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end;
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end;
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Memo.Lines.Add('DLL beendet.');
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Memo.CaretPosition := TCaretPosition.Create(Memo.Lines.Count - 1, 1);
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end
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);
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end
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);
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end;
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procedure TMainForm.WebBrowser1DidFinishLoad(ASender: TObject);
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begin
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if Assigned(FWebMessageReceiver) then
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Exit;
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if Supports(WebBrowser1, ICoreWebView2, FWebView) then
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begin
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FWebMessageReceiver := TWebMessageReceiver.Create(Self);
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FWebView.add_WebMessageReceived(FWebMessageReceiver, FWebMessageReceivedToken);
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end;
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end;
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end.
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