| 1 | unit TargetPHP;
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| 2 |
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| 3 | interface
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| 4 |
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| 5 | uses
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| 6 | Classes, SysUtils, Target, BFTarget;
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| 7 |
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| 8 | type
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| 9 |
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| 10 | { TTargetPHP }
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| 11 |
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| 12 | TTargetPHP = class(TBFTarget)
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| 13 | private
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| 14 | function GetMemoryCell: string;
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| 15 | public
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| 16 | constructor Create; override;
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| 17 | procedure Compile; override;
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| 18 | procedure Run; override;
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| 19 | end;
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| 20 |
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| 21 |
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| 22 | implementation
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| 23 |
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| 24 | { TTargetPHP }
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| 25 |
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| 26 | constructor TTargetPHP.Create;
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| 27 | begin
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| 28 | inherited;
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| 29 | FName := 'PHP';
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| 30 | FSourceExtension := '.php';
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| 31 | FRunExtension := '.php';
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| 32 | FCompiledExtension := '.php';
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| 33 | FImageIndex := 21;
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| 34 | FCapabilities := [tcCompile, tcRun];
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| 35 | {$IFDEF WINDOWS}
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| 36 | CompilerPath := '';
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| 37 | ExecutorPath := 'c:\Program Files\PHP\php.exe';
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| 38 | {$ENDIF}
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| 39 | {$IFDEF UNIX}
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| 40 | CompilerPath := '';
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| 41 | ExecutorPath := '/usr/bin/php';
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| 42 | {$ENDIF}
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| 43 | end;
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| 44 |
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| 45 | function TTargetPHP.GetMemoryCell: string;
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| 46 | begin
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| 47 | Result := '$Memory[$Position';
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| 48 | if FProgram[FProgramIndex].RelIndex > 0 then
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| 49 | Result := Result + ' + ' + IntToStr(FProgram[FProgramIndex].RelIndex)
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| 50 | else if FProgram[FProgramIndex].RelIndex < 0 then
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| 51 | Result := Result + ' - ' + IntToStr(Abs(FProgram[FProgramIndex].RelIndex));
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| 52 | Result := Result + ']';
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| 53 | end;
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| 54 |
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| 55 | procedure TTargetPHP.Compile;
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| 56 | begin
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| 57 | inherited;
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| 58 | Indent := 0;
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| 59 | FTargetCode := '';
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| 60 |
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| 61 | AddLine('<?php // ' + ProgramName);
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| 62 | AddLine('');
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| 63 | AddLine('$Memory = str_repeat("\0", ' + IntToStr(MemorySize) + ');');
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| 64 | AddLine('$Position = 0;');
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| 65 | FProgramIndex := 0;
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| 66 | while FProgramIndex < FProgram.Count do begin
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| 67 | case FProgram[FProgramIndex].Command of
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| 68 | cmPointerInc: AddLine('$Position = $Position + ' + IntToStr(FProgram[FProgramIndex].Parameter) + ';');
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| 69 | cmPointerDec: AddLine('$Position = $Position - ' + IntToStr(FProgram[FProgramIndex].Parameter) + ';');
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| 70 | cmInc: AddLine(GetMemoryCell + ' = chr(ord(' + GetMemoryCell + ') + ' +
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| 71 | IntToStr(FProgram[FProgramIndex].Parameter) + ');');
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| 72 | cmDec: AddLine(GetMemoryCell + ' = chr(ord(' + GetMemoryCell + ') - ' +
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| 73 | IntToStr(FProgram[FProgramIndex].Parameter) + ');');
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| 74 | cmOutput: AddLine('echo(' + GetMemoryCell + ');');
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| 75 | cmInput: AddLine(GetMemoryCell + ' = fgetc(STDIN);');
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| 76 | cmSet: AddLine(GetMemoryCell + ' = chr(' + IntToStr(FProgram[FProgramIndex].Parameter) + ');');
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| 77 | cmMultiply: AddLine(GetMemoryCell + ' = chr(ord(' + GetMemoryCell + ') + ord($Memory[$Position]) * ' + IntToStr(FProgram[FProgramIndex].Parameter) + ');');
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| 78 | cmLoopStart: begin
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| 79 | AddLine('while(' + GetMemoryCell + ' != "\0") {');
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| 80 | Inc(Indent);
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| 81 | end;
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| 82 | cmLoopEnd: begin
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| 83 | Dec(Indent);
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| 84 | AddLine('}');
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| 85 | end;
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| 86 | end;
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| 87 | Inc(FProgramIndex);
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| 88 | end;
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| 89 |
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| 90 | CompileToFile;
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| 91 | end;
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| 92 |
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| 93 | procedure TTargetPHP.Run;
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| 94 | begin
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| 95 | inherited;
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| 96 | RunFromFile;
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| 97 | end;
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| 98 |
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| 99 | end.
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| 100 |
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