Difference between revisions of "Pascal Script Examples"
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Line 201: | Line 201: | ||
aPSCE.Compile(SFile); | aPSCE.Compile(SFile); | ||
aPSCE.Execute; //output on shell | aPSCE.Execute; //output on shell | ||
+ | aPSCE.FScr.GetCompiled(sData); | ||
if Paramstr(1)='--compile' then begin | if Paramstr(1)='--compile' then begin | ||
aPSCE.FScr.Comp.GetOutput(sData); | aPSCE.FScr.Comp.GetOutput(sData); |
Revision as of 21:23, 5 October 2014
│
English (en) │
español (es) │
program psce;
//enhanced with compiler messages to the shell and output to shell
//bytecode and dissasembly output
//jan 2011 www.softwareschule.ch/maxbox.htm, loc's =218
{$APPTYPE CONSOLE}
{$IFDEF FPC}
{$mode delphi}{$H+}
{$ENDIF}
uses
SysUtils,
Classes,
Forms,
uPSCompiler,
uPSR_std,
uPSC_std,
uPSR_classes,
uPSC_classes,
uPSC_controls,
uPSR_controls,
uPSC_forms,
uPSR_forms,
uPSRuntime,
uPSComponent,
uPSDisassembly,
uPSR_dateutils,
uPSC_dateutils,
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, sData: 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 MyVal(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_Controls(x);
RIRegister_Forms(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(@MyVal, 'procedure Val(const s: string; var n, z: Integer)');
Sender.AddFunction(@FileCreate, 'Function FileCreate(const FileName: string): integer)');
Sender.AddFunction(@FileWrite, 'function FileWrite(Handle: Integer; const Buffer: pChar; Count: LongWord): Integer)');
Sender.AddFunction(@FileClose, 'Procedure FileClose(handle: integer)');
//Sender.AddRegisteredVariable('Application', 'TApplication');
SIRegister_Std(Sender.Comp);
SIRegister_Classes(Sender.Comp,true);
SIRegister_Controls(Sender.Comp);
SIRegister_Forms(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;
for i:= 0 to aPSCE.FScr.CompilerMessageCount - 1 do
writeln(aPSCE.FScr.CompilerMessages[i].MessageToString);
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('Script File not found: ', FileName);
end;
function TPSCE.Execute: Boolean;
begin
//FScr.SetVarToInstance('APPLICATION', Application);
//FScr.SetVarToInstance('SELF', Self);
Result:= FScr.Execute;
//writeln(FScr.About);
if not Result then
Writeln('Run-time error:' + FScr.ExecErrorToString);
end;
begin //main
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.Execute; //output on shell
aPSCE.FScr.GetCompiled(sData);
if Paramstr(1)='--compile' then begin
aPSCE.FScr.Comp.GetOutput(sData);
aPSCE.SaveCompiled(sData);
end;
if Paramstr(1)='--dissasembly' then begin
aPSCE.FScr.GetCompiled(sData);
if not IFPS3DataToText(sData, sData)
then begin
Writeln('Create or create not dissasembly!');
aPSCE.SaveDissasembly(sData); //do it anyway
end else
aPSCE.SaveDissasembly(sData);
end;
Exit;
end;
aPSCE.Compile(SFile);
aPSCE.Execute;
aPSCE.Free;
end.