Difference between revisions of "Pascal Script Examples"
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function Execute: Boolean; | function Execute: Boolean; | ||
end; | end; | ||
+ | </code> | ||
+ | <code> | ||
var | var | ||
Line 49: | Line 51: | ||
− | procedure MWritei(const i: Integer); | + | procedure MWritei(const i: Integer); |
− | begin | + | begin |
− | + | Write(i); | |
− | end; | + | end; |
− | procedure MWrited(const d: Double); | + | procedure MWrited(const d: Double); |
− | begin | + | begin |
Write(d:0:1); | Write(d:0:1); | ||
− | end; | + | end; |
− | procedure MWriteln; | + | procedure MWriteln; |
− | begin | + | begin |
− | + | Writeln; | |
− | end; | + | end; |
− | procedure MVal(const s: string; var n, z: Integer); | + | procedure MVal(const s: string; var n, z: Integer); |
− | begin | + | begin |
− | + | Val(s, n, z); | |
− | end; | + | end; |
+ | </code> | ||
constructor TPSCE.Create; | constructor TPSCE.Create; | ||
begin | begin |
Revision as of 23:02, 22 October 2005
program psce;
{$APPTYPE CONSOLE}
{$IFDEF FPC}
{$mode delphi}{$H+}
{$ENDIF}
uses
SysUtils,interfaces,Classes,Forms,uPSCompiler, uPSR_std, uPSC_std, uPSR_classes, uPSC_classes, uPSRuntime, uPSComponent,uPSDisassembly,
uPSR_dateutils,uPSC_dateutils,uPSC_forms,uPSR_forms,uPSC_controls,uPSR_controls,uPSR_dll,uPSC_dll;
type
TPSCE = class
protected
FScr: TPSScript;
procedure SaveCompiled(var Data : String);
procedure SaveDissasembly(var Data : String);
procedure OnCompile(Sender: TPSScript);
procedure OnExecImport(Sender: TObject; se: TPSExec; x: TPSRuntimeClassImporter);
public
constructor Create;
destructor Destroy; override;
function Compile(const FileName: string): Boolean;
function Execute: Boolean;
end;
var
aPSCE: TPSCE;
SFile,Data : String;
procedure MWritedt(d : TDateTime);
var
s : String;
begin
s := DateToStr(d) + ' ' + TimeToStr(d);
Write(s);
end;
procedure MWrites(const s: string);
begin
Write(s);
end;
procedure MWritei(const i: Integer);
begin
Write(i);
end;
procedure MWrited(const d: Double);
begin
Write(d:0:1);
end;
procedure MWriteln;
begin
Writeln;
end;
procedure MVal(const s: string; var n, z: Integer);
begin
Val(s, n, z);
end;
constructor TPSCE.Create;
begin
FScr:=TPSScript.Create(nil); FScr.OnCompile:= OnCompile; FScr.OnExecImport := OnExecImport;
end;
destructor TPSCE.Destroy; begin
FScr.Free;
end;
procedure TPSCE.SaveCompiled(var Data : String); var
OutFile: string; Fx : Longint ;
begin
OutFile := ExtractFilePath(ParamStr(0)) + ChangeFileExt(SFile,'.out'); Fx:= FileCreate(OutFile) ; FileWrite(Fx,Data[1],Length(Data)); FileClose (Fx) ;
end;
procedure TPSCE.SaveDissasembly(var Data : String); var
OutFile: string; Fx : Longint ;
begin
OutFile := ExtractFilePath(ParamStr(0)) + ChangeFileExt(SFile,'.dis'); Fx:= FileCreate(OutFile) ; FileWrite(Fx,Data[1],Length(Data)); FileClose (Fx) ;
end;
procedure TPSCE.OnExecImport(Sender: TObject; se: TPSExec; x: TPSRuntimeClassImporter); begin RIRegister_Std(x); RIRegister_Classes(x,true); RIRegister_Forms(x); RIRegister_Controls(x); RegisterDateTimeLibrary_R(se); RegisterDLLRuntime(se); end;
procedure TPSCE.OnCompile(Sender: TPSScript); begin
RegisterDateTimeLibrary_C(Sender.Comp); Sender.AddFunction(@MWrites, 'procedure Writes(const s: string)'); Sender.AddFunction(@MWritedt,'procedure WriteDT(d : TDateTime)'); Sender.AddFunction(@MWritei, 'procedure Writei(const i: Integer)'); Sender.AddFunction(@MWrited, 'procedure Writed(const f: Double)'); Sender.AddFunction(@MWriteln, 'procedure Writeln'); Sender.AddFunction(@MVal, 'procedure Val(const s: string; var n, z: Integer)'); SIRegister_Std(Sender.Comp); SIRegister_Classes(Sender.Comp,true); SIRegister_Forms(Sender.Comp); SIRegister_Controls(Sender.Comp);
end;
function TPSCE.Compile(const FileName: string): Boolean; var
S: TStringList; i: Integer;
begin
Result:=False; if FileExists(FileName) then begin S:=TStringList.Create; S.LoadFromFile(FileName); FScr.Script:=S; Result:=FScr.Compile; S.Free; if not Result then if FScr.CompilerMessageCount > 0 then for i:=0 to FScr.CompilerMessageCount-1 do Writeln(FScr.CompilerErrorToStr(i)); end else Writeln('File not found: ', FileName);
end;
function TPSCE.Execute: Boolean; begin
Result:=FScr.Execute; if not Result then Writeln('Run-time error:' + FScr.ExecErrorToString);
end;
begin
Application.Initialize; aPSCE:=TPSCE.Create; if ParamCount = 0 then begin Writeln('Usage: ', ExtractFileName(ParamStr(0)), ' [--compile|--dissasembly] <script.pss>'); Writeln(); Writeln('--compile : Save compiled script bytecode'); Writeln('--dissasembly: Save dissasembly of script'); Exit; end; SFile := ParamStr(1); if (ParamStr(1)='--compile') or (ParamStr(1)='--dissasembly') then begin SFile := ParamStr(2); aPSCE.Compile(SFile); aPSCE.FScr.GetCompiled(Data); if Paramstr(1)='--compile' then aPSCE.SaveCompiled(Data); if Paramstr(1)='--dissasembly' then begin if not IFPS3DataToText(Data,Data) then Writeln('Cannot create dissasembly!') else aPSCE.SaveDissasembly(Data); end; Exit; end;
aPSCE.Compile(SFile); aPSCE.Execute; aPSCE.Free;
end.
--Forest 23:00, 22 Oct 2005 (CEST)