mirror of
https://github.com/moparisthebest/Simba
synced 2024-11-14 05:15:16 -05:00
3fef7ac7ed
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@475 3f818213-9676-44b0-a9b4-5e4c4e03d09d
1011 lines
29 KiB
ObjectPascal
1011 lines
29 KiB
ObjectPascal
{
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@abstract(Component wrapper for IFPS3 compiler and executer)
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A component wrapper for IFPS3, including debugging support.
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}
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{$I PascalScript.inc}
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unit uPSComponentExt;
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interface
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uses
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{$IFNDEF LINUX} Windows, {$ENDIF} SysUtils, Classes, uPSRuntime, uPSDebugger, uPSUtils, uPSComponent,
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contnrs, uPSCompiler, uPSC_dll, uPSR_dll, uPSPreProcessor, typInfo;
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const
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{alias to @link(ifps3.cdRegister)}
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cdRegister = uPSRuntime.cdRegister;
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{alias to @link(ifps3.cdPascal)}
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cdPascal = uPSRuntime.cdPascal;
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{ alias to ifps3.cdCdecl }
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CdCdecl = uPSRuntime.CdCdecl;
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{alias to @link(ifps3.cdStdcall)}
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CdStdCall = uPSRuntime.CdStdCall;
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type
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{Alias to @link(ifps3.TPSCallingConvention)}
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TDelphiCallingConvention = uPSRuntime.TPSCallingConvention;
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{Alias to @link(ifps3.TPSRuntimeClassImporter)}
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TPSRuntimeClassImporter = uPSRuntime.TPSRuntimeClassImporter;
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TPSScriptExtension = class;
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{Base class for all plugins for the component}
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TPSOnCompCleanup = Function (Sender: TObject; aComp: TPSPascalCompiler):Boolean of object;
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TPSOnInsertProcedure = Procedure (Sender: TObject; aProc: tbtstring; OnTop: Boolean) of object;
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TPSOnException = procedure (Sender: TPSExec; ExError: TPSError; const ExParam: tbtstring;
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ExObject: TObject; ProcNo, Position: Cardinal) of object;
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TMethodList = class;
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TProcObj = Class
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private
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FName : tbtstring;
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fOwner : TMethodList;
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procedure SetName(const Value: tbtstring);
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public
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ProcType : TStringList;
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Method : TMethod;
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constructor create(aOwner: TMethodList);
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destructor Destroy; override;
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property Name: tbtstring read FName write SetName;
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end;
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TMethodObj = Class
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Instance : TPersistent;
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PropName : tbtstring;
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ProcName : tbtstring;
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end;
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TMethodList = class
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private
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fOwner : TPSScriptExtension;
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fProcList : TObjectList;
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fEventList : TObjectList;
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function GetObject(Index: Integer): TMethodObj; virtual;
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function GetProcObj(Index: Integer): TProcObj;
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function GetMethodName(Instance: TObject; PropName: tbtstring): tbtstring;
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procedure SetMethodName(Instance: TObject; PropName: tbtstring; const Value: tbtstring);
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procedure CreateProc(ProcName: tbtstring; aPropType: TTypeData);
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public
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constructor create(aOwner: TPSScriptExtension);
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destructor Destroy; override;
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function methodIndexOf(Instance: TObject; PropName: tbtstring):Integer;
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Function ProcIndexOf(Name: tbtstring): Integer;
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Procedure ListEventsName(EventType:tbtstring; List : TStrings);
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Procedure AddProcedure(ProcName, ProcType:tbtstring);
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procedure InsertMethod(NewProc: tbtstring; OnTop: Boolean = false);
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Procedure FillMethods;
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procedure ClearProcList;
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Procedure ClearAll;
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function ProcCount :Integer;
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Function MethodCount :Integer;
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property Procs[Index: Integer]: TProcObj read GetProcObj ;
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property Methods[Index: Integer]: TMethodObj read GetObject;
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property ProcName[Instance: TObject; PropName:tbtstring]: tbtstring read GetMethodName write SetMethodName;
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end;
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TPSScriptExtension = class(TPSScriptDebugger)
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private
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FOnBeforeCleanUp: TPSOnCompCleanup;
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FMethodList : TMethodList;
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FOnInsertMethod: TPSOnInsertProcedure;
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FNeedCompiling :Boolean;
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FOnScriptChance: TNotifyEvent;
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FOnException: TPSOnException;
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fItems, fInserts: TStrings;
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fScriptPos : Cardinal;
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fObjectNest: tbtstring;
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Procedure GetCodeProps ;
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function GetProcName(Instance: TObject; PropName: tbtstring): tbtstring;
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procedure SetProcName(Instance: TObject; PropName: tbtstring; const Value: tbtstring);
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protected
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procedure Notification(AComponent: TComponent; Operation: TOperation); override;
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procedure DoVerifyProc(Sender: TPSScript; Proc: TPSInternalProcedure;
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const Decl: tbtstring; var Error: Boolean); reintroduce;
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Function DoBeforeCleanup(Sender: TObject; aComp: TPSPascalCompiler):Boolean;
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procedure DoScriptChance(sender:TObject);
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public
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{Create an instance of the CompExec component}
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constructor Create(AOwner: TComponent); override;
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{Destroy the CompExec component}
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destructor Destroy; override;
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function Compile: Boolean; Override;
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function Execute: Boolean; Override;
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{ Create a list of all var's, const's, Type's and functions }
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Procedure GetValueDefs(aItems, aInserts: TStrings; Const aObjectNest: tbtstring=''; aScriptPos: Integer = 0);
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{Compile the source only when the source is modified}
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procedure CompileIfNeeded;
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{Is the source modified}
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Property NeedCompiling : Boolean read FNeedCompiling;
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{Fills all function in the script to there connected Events.
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This is called automatic after a succesfull Compilition}
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Procedure FillMethods;
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{Removes all events from the Objects Fills all function in the script to there connected Events.
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This function is automatic called before a Compilition}
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procedure ClearProcList;
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Procedure RemoveObjEvents(Obj: TObject);
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{This property helps you set the events that must becalled from within the script
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Instance is the object where the Propname must be set.
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You need te create the function yopur self in the script.
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When the new Procname dose not exists in the script, it is automatic created for you.}
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property ProcName[Instance: TObject; PropName:tbtstring]: tbtstring read GetProcName write SetProcName;
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property MethodList : TMethodList read FMethodList;
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published
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property OnBeforeCleanUp: TPSOnCompCleanup read FOnBeforeCleanUp write FOnBeforeCleanUp; //<NVDS>
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property OnInsertMethod : TPSOnInsertProcedure read FOnInsertMethod write FOnInsertMethod;
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Property OnScriptChance : TNotifyEvent read FOnScriptChance write fOnScriptChance;
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property OnException : TPSOnException read FOnException write FOnException;
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end;
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implementation
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resourcestring
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sMissingEndStatment = 'Missing some ''End'' statments';
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function CompExportCheck(Sender: TPSPascalCompiler; Proc: TPSInternalProcedure; const ProcDecl: tbtstring): Boolean;
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begin
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TPSScriptExtension(Sender.ID).DoVerifyProc(Sender.Id, Proc, ProcDecl, Result);
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Result := not Result;
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end;
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Function BeforeCleanup(Sender: TPSPascalCompiler):Boolean;
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begin
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result := TPSScriptExtension(Sender.ID).DoBeforeCleanUp(Sender.ID,Sender);
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end;
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procedure CEException(Sender: TPSExec; ExError: TIFError; const ExParam: tbtstring; ExObject: TObject; ProcNo, Position: Cardinal);
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begin
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if @TPSScriptExtension(Sender.ID).FOnException <> nil then
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TPSScriptExtension(Sender.ID).FOnException(Sender, ExError, ExParam, ExObject, ProcNo, Position);
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end;
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{ TPSScriptExtension }
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function TPSScriptExtension.Compile: Boolean;
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begin
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ClearProcList;
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result := inherited Compile;
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if result then FillMethods;
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FNeedCompiling := not result;
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end;
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constructor TPSScriptExtension.Create(AOwner: TComponent);
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begin
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inherited Create(AOwner);
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Comp.OnBeforeCleanup := BeforeCleanup;
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Comp.OnExportCheck := CompExportCheck;
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Exec.OnException := CEException;
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TStringList(script).OnChange := DoScriptChance;
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FMethodList := TMethodList.create(Self);
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FNeedCompiling := True;
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end;
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destructor TPSScriptExtension.Destroy;
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begin
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FMethodList.Free;
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FMethodList := nil;
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inherited Destroy;
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end;
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procedure TPSScriptExtension.DoVerifyProc(Sender: TPSScript;
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Proc: TPSInternalProcedure; const Decl: tbtstring; var Error: Boolean);
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var
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n{,m,p} : Integer;
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tstType : TPSProceduralType;
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begin
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Error := False;
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for n := 0 to sender.comp.GetTypeCount -1 do begin
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If comp.GetType(n) is TPSProceduralType then begin
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tstType := comp.GetType(n) as TPSProceduralType;
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If tstType.ProcDef.Same(Proc.Decl) then begin
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MethodList.addprocedure(Proc.OriginalName, tstType.Name);
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// Proc. aExport := etExportDecl;
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end;
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end;
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end;
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if assigned(OnVerifyProc) then
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begin
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onVerifyProc(Sender, Proc, Decl, Error);
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end;
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end;
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type
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TMyPascalCompiler = class(TPSPascalCompiler);
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const
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sIFPSParameterMode : array [pmIn..pmInOut] of tbtstring = ('','\style{+B}out\style{-B} ','\style{+B}Var\style{-B} ');
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Procedure TPSScriptExtension.GetCodeProps;
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Function existsItem(aName:tbtstring):Boolean;
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Begin
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result := FInserts.indexof(aName)<> -1;
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end;
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Procedure addListItem(aType, aName:tbtstring; aDef:tbtstring='');
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var
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x : LongInt;
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begin
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If not ((aName ='') or (aName[1]='!')) then begin
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x := FInserts.Add(aName);
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fItems.Insert(x, format('%s \column{}\style{+B}%s\style{-B} %s',[aType, aName, aDef]));
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end;
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end;
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procedure Getdecl(decl : TPSParametersDecl; var T,v :tbtstring);
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var
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m : Integer;
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begin
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v := '';
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for m := 0 to Decl.ParamCount-1 do begin
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v := V +';'+sIFPSParameterMode[Decl.Params[m].Mode]+
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Decl.Params[m].OrgName;
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if Decl.Params[m].aType <> nil then
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v := v +':'+ Decl.Params[m].aType.OriginalName;
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end;
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delete(v,1,1);
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If v <> '' then v := '('+ v +')';
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if Decl.Result<>nil then begin
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v := v +':'+ Decl.Result.OriginalName;
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t := 'Function';
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end else t := 'Procedure';
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end;
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Function getTypeDef(xr: TPSType; aZoek:tbtstring = ''):Boolean; forward;
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Function getClassDef(xc: TPSCompileTimeClass; aZoek:tbtstring = ''):Boolean;
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var
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Show : Boolean;
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Zoek,bZoek : tbtstring;
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tci : TPSDelphiClassItem;
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n : Integer;
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T,v : tbtstring;
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begin
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Show := aZoek='';
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Zoek := aZoek;
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If Pos('.',aZoek)>0 then begin
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Zoek := copy(aZoek, 1 ,Pos('.',aZoek)-1);
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bZoek := copy(aZoek, Pos('.',aZoek)+1, 999);
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end else bZoek := '';
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result := (xc <> nil) and Show;
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if XC<> nil then begin
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For n := 0 to xc.Count-1 do begin
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tci := xc.Items[n];
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If (tci = nil) or existsItem(tci.OrgName) then continue;
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if tci is TPSDelphiClassItemConstructor then begin
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Getdecl(tci.decl, T, V);
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If Show then addListItem('Constructor',tci.OrgName, v);
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end else
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if tci is TPSDelphiClassItemMethod then begin
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If Show then begin
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Getdecl(tci.decl, T, V);
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addListItem(T,tci.OrgName, v)
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end else
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If (tci.decl.Result <> nil) and (tci.Name = Zoek) then
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result := getTypeDef(tci.decl.Result, bZoek);
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end else
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if tci is TPSDelphiClassItemProperty then begin
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If Show then begin
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t := '';
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If tci.Decl.Result<> nil then t := ': '+ tci.Decl.Result.OriginalName;
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addListItem('Property',tci.OrgName, t);
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end else
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If (tci.decl.Result <> nil) and (tci.Name = Zoek) then
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result := getTypeDef(tci.decl.Result, bZoek);
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end;
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If result and not show then exit;
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end;
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result := getClassDef(XC.ClassInheritsFrom, aZoek) or result;
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end;
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end;
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Function getTypeDef(xr: TPSType; aZoek:tbtstring = ''):Boolean;
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var
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Show : Boolean;
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Zoek : tbtstring;
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xri : PIFPSRecordFieldTypeDef;
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n : Integer;
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begin
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Show := aZoek='';
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result := (xr <> nil) and Show;
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if xr <> nil then begin
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If xr is TPSRecordType then begin
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Zoek := aZoek;
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If Pos('.',aZoek)>0 then begin
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Zoek := copy(aZoek, 1 ,Pos('.',aZoek)-1);
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aZoek := copy(aZoek, Pos('.',aZoek)+1, 999);
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end else aZoek := '';
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for n := 0 to (xr as TPSRecordType).RecValCount-1 do begin
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xri := (xr as TPSRecordType).RecVal(n);
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If Show then begin
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addListItem('Var',xri.FieldOrgName,xri.aType.OriginalName)
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end else
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If (xri.aType <> nil) and (xri.FieldName = Zoek) then
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result := getTypeDef(xri.aType, aZoek);
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end;
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end else
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If (xr is TPSClassType) then begin
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result := getClassDef((xr as TPSClassType).Cl, aZoek)
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end else
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result := False;
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end;
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end;
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Function FindVarProc(aVarName:tbtstring; aZoek : tbtstring= ''):Boolean;
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var
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// cv : tbtstring;
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hh, h, i : Longint;
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proc : TPSProcedure;
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ip : TPSInternalProcedure;
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ipv : PIFPSProcVar;
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ipp : TPSParameterDecl;
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// t : tbtstring;
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begin
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Hh := MakeHash(aVarName);
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result := False;
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If FScriptPos =0 then exit;
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for i := Comp.GetProcCount -1 downto 0 do begin
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Proc := Comp.GetProc(i);
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If (Proc.ClassType = TPSInternalProcedure) and
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((Proc as TPSInternalProcedure).DeclarePos < FScriptPos) then begin
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ip := Proc as TPSInternalProcedure;
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for h := 0 to ip.ProcVars.Count-1 do begin
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ipv := PIFPSProcVar(ip.ProcVars[h]);
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If aVarName = '' then begin
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addListItem('Var',ipv.OrgName, ': '+ipv.AType.OriginalName);
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end else
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If (ipv.NameHash = HH) and (ipv.Name = aVarName) then begin
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result := getTypeDef(ipv.aType, aZoek);
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exit;
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end;
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end;
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for h := 0 to ip.Decl.ParamCount-1 do begin
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ipp := TPSParameterDecl(ip.Decl.Params[h]);
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If aVarName = '' then begin
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addListItem('Var',ipp.OrgName, ': '+ipp.aType.OriginalName);
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end else
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If {(ipp.Hash = HH) and} (ipp.Name = aVarName) then begin
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result := getTypeDef(ipp.aType, aZoek);
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exit;
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end;
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end;
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end;
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end;
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end;
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Function FindVarFunctType(aProcName:tbtstring): Boolean;
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var
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cv : tbtstring;
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h, i : Longint;
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proc : TPSProcedure;
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xr : TPSRegProc;
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// t : tbtstring;
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begin
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cv := aProcName;
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If Pos('.',aProcName)>0 then begin
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cv := copy(aProcName, 1 ,Pos('.',aProcName)-1);
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aProcName := copy(aProcName, Pos('.',aProcName)+1, 999);
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end else aProcName := '';
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H := MakeHash(Cv);
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// Result := False;
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for i :=0 to Comp.GetVarCount -1 do begin
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if (Comp.GetVar(I).NameHash = H) and (Comp.GetVar(I).Name = CV) then begin
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Result := getTypeDef(Comp.GetVar(I).aType, aProcName);
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Exit;
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end;
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end;
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for i :=0 to Comp.GetTypeCount -1 do begin
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if (Comp.GetType(I).NameHash = H) and (Comp.GetType(I).Name = CV) then begin
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Result := getTypeDef(Comp.GetType(I), aProcName);
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Exit;
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end;
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end;
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result := FindVarProc(cv, aProcName);
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If result then exit;
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for i :=0 to Comp.GetProcCount -1 do begin
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Proc := Comp.GetProc(i);
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If Proc.ClassType = TPSInternalProcedure then begin
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if ((Proc as TPSInternalProcedure).NameHash = H) and
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((Proc as TPSInternalProcedure).Name = CV) then begin
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Result := getTypeDef((Proc as TPSInternalProcedure).Decl.Result, aProcName);
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exit;
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end;
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end;
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end;
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with TMyPascalCompiler(Comp) do begin
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for i := 0 to FRegProcs.Count-1 do begin
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xr := FRegProcs[i];
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if (xr.NameHash = H) and (xr.Name = CV) then begin
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result := getTypeDef(xr.Decl.Result, aProcName);
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exit;
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end;
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end;
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end;
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end;
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Var
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n : Integer;
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s, t, v : tbtstring;
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proc : TPSProcedure;
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xr : TPSRegProc;
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begin
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If (fItems = nil) or (fInserts = Nil) then exit;
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fItems.BeginUpdate;
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fInserts.BeginUpdate;
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tStringList(fInserts).Sorted := true;
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tStringList(fInserts).Duplicates := dupAccept;
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try
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fInserts.Clear;
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fItems.Clear;
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If (FObjectNest <> '') then begin
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FindVarFunctType(FastUpperCase(FObjectNest));
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exit;
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end;
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for n := 0 to Comp.GetTypeCount-1 do begin
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addListItem('Type',Comp.GetType(n).OriginalName);
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end;
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for n := 0 to Comp.GetVarCount-1 do begin
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addListItem('Var',Comp.GetVar(n).OrgName, ': '+Comp.Getvar(n).aType.OriginalName);
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end;
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with TMyPascalCompiler(Comp) do begin
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for n := 0 to FConstants.Count-1 do begin
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addListItem('Const', TPSConstant(FConstants[n]).OrgName );
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end;
|
|
for n := 0 to FRegProcs.Count-1 do begin
|
|
xr := FRegProcs[n];
|
|
Getdecl(xr.decl, T, v);
|
|
addListItem(t,xr.OrgName, v );
|
|
end;
|
|
end;
|
|
FindVarProc('');
|
|
for n := 0 to Comp.GetProcCount-1 do begin
|
|
s := '';
|
|
proc := Comp.GetProc(n);
|
|
If Proc.ClassType = TPSInternalProcedure then begin
|
|
s := (Proc as TPSInternalProcedure).OriginalName;
|
|
Getdecl((Proc as TPSInternalProcedure).decl, T, v);
|
|
end;
|
|
If s <> '' then begin
|
|
addListItem(t,s, v );
|
|
end;
|
|
end;
|
|
Finally
|
|
fInserts.EndUpdate;
|
|
fItems.EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
procedure TPSScriptExtension.GetValueDefs(aItems, aInserts: TStrings; const aObjectNest: tbtstring; aScriptPos: Integer);
|
|
begin
|
|
fItems := aItems;
|
|
fInserts := aInserts;
|
|
FScriptPos := aScriptPos;
|
|
fObjectNest := aObjectNest;
|
|
Try
|
|
compile;
|
|
finally
|
|
fItems := Nil;
|
|
fInserts := Nil;
|
|
FScriptPos := 0;
|
|
fObjectNest := '';
|
|
end;
|
|
end;
|
|
|
|
function TPSScriptExtension.DoBeforeCleanup(Sender: TObject;
|
|
aComp: TPSPascalCompiler): Boolean;
|
|
begin
|
|
result := true;
|
|
If fItems <> nil then GetCodeProps;
|
|
If @FOnBeforeCleanUp<> nil then
|
|
result := FOnBeforeCleanUp(Sender, aComp);
|
|
end;
|
|
|
|
function TPSScriptExtension.Execute: Boolean;
|
|
begin
|
|
CompileIfNeeded;
|
|
MethodList.FillMethods;
|
|
result := inherited Execute;
|
|
end;
|
|
|
|
|
|
procedure TPSScriptExtension.DoScriptChance(sender: TObject);
|
|
begin
|
|
FNeedCompiling := True;
|
|
self.ClearProcList;
|
|
If @FOnScriptChance <> NIL then
|
|
FOnScriptChance(sender);
|
|
end;
|
|
|
|
procedure TPSScriptExtension.CompileIfNeeded;
|
|
begin
|
|
if FNeedCompiling then begin
|
|
Compile;
|
|
end;
|
|
end;
|
|
|
|
procedure TPSScriptExtension.Notification(AComponent: TComponent;
|
|
Operation: TOperation);
|
|
begin
|
|
inherited;
|
|
If Operation = opRemove then begin
|
|
if MethodList <> nil then
|
|
MethodList.SetMethodName(aComponent,'','');
|
|
end;
|
|
end;
|
|
|
|
function TPSScriptExtension.GetProcName(Instance: TObject; PropName: tbtstring): tbtstring;
|
|
begin
|
|
Result := MethodList.ProcName[Instance, Propname];
|
|
end;
|
|
|
|
procedure TPSScriptExtension.SetProcName(Instance: TObject; PropName: tbtstring; const Value: tbtstring);
|
|
begin
|
|
MethodList.ProcName[Instance, Propname] := Value;
|
|
end;
|
|
|
|
procedure TPSScriptExtension.ClearProcList;
|
|
begin
|
|
MethodList.ClearProcList;
|
|
end;
|
|
|
|
procedure TPSScriptExtension.RemoveObjEvents(Obj: TObject);
|
|
begin
|
|
MethodList.SetMethodName(Obj, '', '');
|
|
end;
|
|
|
|
procedure TPSScriptExtension.FillMethods;
|
|
begin
|
|
MethodList.FillMethods;
|
|
end;
|
|
|
|
{ TMethodList }
|
|
|
|
procedure TMethodList.AddProcedure(ProcName, ProcType: tbtstring);
|
|
var
|
|
po : TProcObj;
|
|
x,y : Integer;
|
|
|
|
begin
|
|
ProcType := Uppercase(ProcType);
|
|
x := ProcIndexOf(ProcName);
|
|
if x <> -1 then begin
|
|
y := Procs[x].ProcType.IndexOf(ProcType);
|
|
If y = -1 then TProcObj(fProcList.Items[x]).ProcType.add(ProcType);
|
|
end else begin
|
|
po := TProcObj.create(self);
|
|
po.Name := ProcName;
|
|
po.ProcType.add(ProcType);
|
|
fProcList.add(po);
|
|
end
|
|
end;
|
|
|
|
procedure TMethodList.ClearProcList;
|
|
begin
|
|
fProcList.Clear;
|
|
end;
|
|
|
|
constructor TMethodList.create(aOwner: TPSScriptExtension);
|
|
begin
|
|
inherited create;
|
|
fOwner := aOwner;
|
|
fProcList := TObjectList.create(true);
|
|
fEventList := TObjectList.create(true);
|
|
end;
|
|
|
|
procedure TMethodList.CreateProc(ProcName:tbtstring; aPropType: TTypeData);
|
|
var
|
|
newProc: tbtstring;
|
|
P: PByte;
|
|
i: Integer;
|
|
pf : TParamFlags;
|
|
|
|
{$IFDEF FPC}
|
|
// mh: TParamFlags(P^) doesn't compile in FPC, this function will "fix" it.
|
|
// yes it's ugly, but I don't know an other way to fix it
|
|
function GetParamFlags(P: Byte): TParamFlags;
|
|
begin
|
|
result := [];
|
|
if (Ord(pfVar) and P <> 0) then Include(result, pfVar);
|
|
if (Ord(pfConst) and P <> 0) then Include(result, pfConst);
|
|
if (Ord(pfArray) and P <> 0) then Include(result, pfArray);
|
|
if (Ord(pfAddress) and P <> 0) then Include(result, pfAddress);
|
|
if (Ord(pfReference) and P <> 0) then Include(result, pfReference);
|
|
if (Ord(pfOut) and P <> 0) then Include(result, pfOut);
|
|
end;
|
|
{$ENDIF}
|
|
|
|
begin
|
|
WITH aPropType do begin
|
|
if MethodKind=mkProcedure then NewProc:='procedure '
|
|
else NewProc:='function ';
|
|
NewProc:=NewProc + ProcName+'(';
|
|
P:=PByte(@ParamList);
|
|
for i:=0 to Pred(ParamCount) do
|
|
begin
|
|
{$IFDEF FPC}
|
|
pf:=GetParamFlags(P^);
|
|
{$ELSE}
|
|
pf:=TParamFlags(P^);
|
|
{$ENDIF}
|
|
if pfVar in pf then NewProc:=NewProc+'var ';
|
|
if pfConst in pf then NewProc:=NewProc+'const ';
|
|
Inc(P);
|
|
NewProc:=NewProc +PShortString(P)^ +' : ';
|
|
Inc(P,Succ(P^));
|
|
if pfArray in pf then NewProc:=NewProc+'array of ';
|
|
NewProc := NewProc + PShortString(P)^;
|
|
Inc(P,Succ(P^));
|
|
If i < Pred(ParamCount) then NewProc := NewProc + '; ';
|
|
end;
|
|
NewProc := NewProc +')' ;
|
|
if (MethodKind=mkFunction) then
|
|
NewProc := NewProc +':'+ PShortString(P)^;
|
|
NewProc:=NewProc+';'^m^j
|
|
+'Begin'^m^j^m^j
|
|
+'End;'^m^j;
|
|
If @fowner.FOnInsertMethod <> nil then begin
|
|
fowner.FOnInsertMethod(fOwner, NewProc, false);
|
|
end else begin
|
|
InsertMethod(NewProc);
|
|
end;
|
|
fowner.CompileIfNeeded;
|
|
end;
|
|
end;
|
|
|
|
procedure TMethodList.InsertMethod(NewProc: tbtstring; OnTop: Boolean = false);
|
|
var
|
|
x : Integer;
|
|
sl : TStringList;
|
|
nBegins : Integer;
|
|
nProcs : Integer;
|
|
line, test : tbtstring;
|
|
|
|
|
|
function IsItem(line,item:tbtstring; First :Boolean = false):Boolean;
|
|
var
|
|
nPos : Integer;
|
|
begin
|
|
repeat
|
|
nPos := pos(item,line);
|
|
result := ((npos>0) and ((length(Line)-nPos<= length(item)) or not(line[nPos+length(item)] in ['0'..'9','A'..'Z','_'])) And
|
|
((Npos = 1) or ((not first) and not(line[nPos-1] in ['0'..'9','A'..'Z','_']))));
|
|
if nPos <> 0 then line := copy(line,nPos+Length(Item),Length(line));
|
|
until (Result) or (nPos = 0);
|
|
end;
|
|
|
|
function DelSpaces(AText: tbtstring): tbtstring;
|
|
var i: Integer;
|
|
begin
|
|
Result := '';
|
|
for i := 1 to Length(AText) do
|
|
if AText[i] <> ' ' then
|
|
Result := Result + AText[i];
|
|
end;
|
|
|
|
function IsProcDecl(AnOriginalProcDecl: tbtstring): Boolean;
|
|
var
|
|
bIsFunc: Boolean;
|
|
iLineNo: Integer;
|
|
sProcKey: tbtstring;
|
|
sProcDecl: tbtstring;
|
|
begin
|
|
Result := false;
|
|
sProcDecl := Line;
|
|
iLineNo := x;
|
|
bIsFunc := isItem(AnOriginalProcDecl,'FUNCTION',true);
|
|
|
|
if bIsFunc
|
|
then sProcKey := 'FUNCTION'
|
|
else sProcKey := 'PROCEDURE';
|
|
|
|
sProcDecl := copy(sProcDecl,Pos(sProcKey,sProcDecl),Length(sProcDecl));
|
|
|
|
while not IsItem(sProcDecl,'BEGIN') do
|
|
begin
|
|
inc(iLineNo);
|
|
if iLineNo > (fowner.script.Count - 1) then exit;
|
|
sProcDecl := sProcDecl + ' ' + uppercase(trim(fowner.script[iLineNo])) + ' ';
|
|
end;
|
|
|
|
sProcDecl := DelSpaces(sProcDecl);
|
|
AnOriginalProcDecl := DelSpaces(AnOriginalProcDecl);
|
|
|
|
sProcDecl := copy(sProcDecl,1,Length(AnOriginalProcDecl));
|
|
|
|
Result := sProcDecl = AnOriginalProcDecl;
|
|
|
|
end;
|
|
begin
|
|
sl := TStringList.create;
|
|
Try
|
|
sl.Text := NewProc;
|
|
test := uppercase(trim(sl[0]));
|
|
finally
|
|
Sl.free;
|
|
end;
|
|
nProcs := 0;
|
|
nBegins := 0;
|
|
x := 0;
|
|
If Not Ontop Then begin
|
|
for x := 0 to fOwner.script.count -1 do begin
|
|
Line := fowner.script[x];
|
|
Line := uppercase(trim(line));
|
|
If IsItem(line,'PROCEDURE', true) or IsItem(line,'FUNCTION', true) then begin
|
|
If nBegins >0 then Raise exception.create('Missing some ''end'' statments');
|
|
If (nProcs = 0) and IsProcDecl(test) and
|
|
(not IsItem(line,'FORWARD')) and (not IsItem(line,'EXTERNAL')) then
|
|
Exit;
|
|
Inc(nProcs);
|
|
end;
|
|
if IsItem(line,'FORWARD') or IsItem(line,'EXTERNAL') then
|
|
dec(nProcs);
|
|
If Pos('END',line) < Pos('BEGIN',line) then begin
|
|
If IsItem(line,'END') then begin
|
|
If (nBegins = 0) and (nProcs=0) then Break;
|
|
Dec(nBegins);
|
|
If nBegins = 0 then Dec(nProcs);
|
|
end;
|
|
If IsItem(line,'BEGIN') or IsItem(line,'TRY') or IsItem(line,'CASE') then begin
|
|
If nProcs = 0 then Break;
|
|
Inc(nBegins);
|
|
end;
|
|
end else begin
|
|
If IsItem(line,'BEGIN') or IsItem(line,'TRY') or IsItem(line,'CASE') then begin
|
|
If nProcs = 0 then Break;
|
|
Inc(nBegins);
|
|
end;
|
|
If IsItem(line,'END') then begin
|
|
If (nBegins = 0) and (nProcs=0) then Break;
|
|
Dec(nBegins);
|
|
If nBegins = 0 then Dec(nProcs);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
FOwner.script.BeginUpdate;
|
|
Try
|
|
If (nProcs <> 0) or (nBegins<>0) then
|
|
Raise exception.create(sMissingEndStatment);
|
|
If (Not Ontop) and (x>0) and (Trim(FOwner.script[x-1])<>'') then begin
|
|
FOwner.script.Insert(x,'');
|
|
inc(x);
|
|
end;
|
|
FOwner.script.Insert(x,NewProc);
|
|
FOwner.script.text := FOwner.script.text;
|
|
finally
|
|
FOwner.script.EndUpdate;
|
|
end;
|
|
end;
|
|
|
|
destructor TMethodList.Destroy;
|
|
begin
|
|
fProcList.Free; {<< Needs Eventlist for removing Methods}
|
|
fEventList.Free;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TMethodList.FillMethods;
|
|
var
|
|
x, y : Integer;
|
|
m : TMethod;
|
|
begin
|
|
for x := 0 to fEventList.Count-1 do begin
|
|
Y := ProcIndexOf(MethodS[x].ProcName);
|
|
If (Y >= 0) and assigned(Methods[x].Instance) then begin
|
|
m := Procs[Y].Method;
|
|
if m.Data = nil then begin
|
|
m := fOwner.Exec.GetProcAsMethodN(Procs[Y].name);
|
|
TProcObj(fProcList.Items[Y]).Method := m;
|
|
end;
|
|
SetMethodProp(Methods[x].Instance, Methods[x].propname, m );
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TMethodList.GetMethodName(Instance: TObject; PropName: tbtstring): tbtstring;
|
|
var
|
|
x : Integer;
|
|
begin
|
|
fOwner.CompileIfNeeded;
|
|
x := methodIndexOf(Instance,PropName);
|
|
If x>=0 then result := Methods[x].ProcName
|
|
else result := '';
|
|
end;
|
|
|
|
function TMethodList.GetObject(Index: Integer): TMethodObj;
|
|
begin
|
|
result := TMethodObj(fEventList.items[Index]);
|
|
end;
|
|
|
|
function TMethodList.GetProcObj(Index: Integer): TProcObj;
|
|
begin
|
|
result := TProcObj(fProcList.items[Index]);
|
|
end;
|
|
|
|
procedure TMethodList.ListEventsName(EventType: tbtstring; List: TStrings);
|
|
var
|
|
x : Integer;
|
|
begin
|
|
If List = nil then exit;
|
|
EventType := Uppercase(EventType);
|
|
List.Clear;
|
|
fOwner.CompileIfNeeded;
|
|
for x := 0 to fProcList.count-1 do begin
|
|
If Procs[x].ProcType.indexof(EventType)<> -1 then
|
|
List.add(Procs[x].name);
|
|
end;
|
|
end;
|
|
|
|
function TMethodList.MethodCount: Integer;
|
|
begin
|
|
result := fEventList.count;
|
|
end;
|
|
|
|
function TMethodList.methodIndexOf(Instance: TObject;
|
|
PropName: tbtstring): Integer;
|
|
var x : integer;
|
|
begin
|
|
Result := -1;
|
|
for x := 0 to fEventList.count-1 do begin
|
|
if (TMethodObj(fEventList.Items[x]).Instance = Instance) and
|
|
((propName='') or(TMethodObj(fEventList.Items[x]).PropName = PropName)) then begin
|
|
Result := x;
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TMethodList.ProcCount: Integer;
|
|
begin
|
|
result := fProcList.count;
|
|
end;
|
|
|
|
function TMethodList.ProcIndexOf(Name: tbtstring): Integer;
|
|
var x : integer;
|
|
begin
|
|
result := -1;
|
|
Name := Uppercase(name);
|
|
For x := 0 to fProcList.count-1 do begin
|
|
If Uppercase(TProcObj(fProcList.Items[x]).name) = name then begin
|
|
Result := x;
|
|
exit;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TMethodList.SetMethodName(Instance: TObject; PropName: tbtstring;
|
|
const Value: tbtstring);
|
|
var
|
|
x, y : Integer;
|
|
mo : TMethodObj;
|
|
function TypeData(Instance: TObject; const PropName: tbtstring):PTypeData;
|
|
var
|
|
PropInfo: PPropInfo;
|
|
begin
|
|
// assume failure
|
|
Result := Nil;
|
|
PropInfo := GetPropInfo(Instance, PropName);
|
|
if PropInfo <> nil then
|
|
begin
|
|
Result:= GetTypeData(PropInfo^.PropType{$IFNDEF FPC}^{$ENDIF});
|
|
end
|
|
end;
|
|
|
|
begin
|
|
If PropName = '' then begin
|
|
x := 0;
|
|
While x < MethodCount do begin
|
|
If (Methods[x].Instance = Instance) or (Instance = nil) then
|
|
fEventList.Delete(x)
|
|
else Inc(x);
|
|
end;
|
|
end else begin
|
|
x := methodIndexOf(Instance, PropName);
|
|
if value = '' then begin
|
|
if x >= 0 then fEventList.Delete(x);
|
|
end else begin
|
|
fOwner.CompileIfNeeded;
|
|
y := ProcIndexOf(Value);
|
|
If (Y = -1) then begin
|
|
CreateProc(Value, TypeData(Instance,propName)^);
|
|
y := 0;
|
|
end;
|
|
If (x = -1) then begin
|
|
If (Y <> -1) then begin
|
|
mo := TMethodObj.create;
|
|
mo.Instance := TPersistent(Instance);
|
|
mo.ProPName := Propname;
|
|
mo.procName := Value;
|
|
If (methodIndexOf(Instance,'')<>-1) and Instance.InheritsFrom(TComponent) then
|
|
fOwner.FreeNotification(TComponent(Instance));
|
|
fEventList.add(mo);
|
|
end;
|
|
end else
|
|
begin
|
|
Methods[x].procname := Value;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure TMethodList.ClearAll;
|
|
begin
|
|
fProclist.clear;
|
|
fEventList.Clear;
|
|
end;
|
|
|
|
{ TProcObj }
|
|
|
|
constructor TProcObj.create(aOwner: TMethodList);
|
|
begin
|
|
inherited create();
|
|
fOwner := aOwner;
|
|
ProcType := TStringList.Create;
|
|
end;
|
|
|
|
destructor TProcObj.Destroy;
|
|
|
|
var x : Integer;
|
|
m :TMethod;
|
|
begin
|
|
m.Code := nil;
|
|
m.Data := nil;
|
|
If ((Method.Data <> nil) or (method.Code<> nil)) and (fOwner<>nil) and assigned(fOwner) then begin
|
|
for x := 0 to fOwner.MethodCount-1 do begin
|
|
If (name = fOwner.Methods[x].ProcName) and assigned(fOwner.Methods[x].Instance) then begin
|
|
Try
|
|
SetMethodProp(fOwner.Methods[x].Instance, fOwner.Methods[x].PropName,m);
|
|
except; end;
|
|
end;
|
|
end;
|
|
end;
|
|
ProcType.free;
|
|
inherited;
|
|
end;
|
|
|
|
procedure TProcObj.SetName(const Value: tbtstring);
|
|
var
|
|
x : Integer;
|
|
begin
|
|
If FName <> Value then begin
|
|
If fName<>'' then begin
|
|
for x := 0 to fOwner.MethodCount-1 do begin
|
|
If Fname = fOwner.Methods[x].ProcName then begin
|
|
fOwner.Methods[x].ProcName := Value;
|
|
end;
|
|
end;
|
|
end;
|
|
FName := Value;
|
|
end;
|
|
end;
|
|
|
|
|
|
end.
|