type TIFPSExec = class(TObject)
Name | Description | |
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ExEx |
The error code |
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ExParam |
The optional parameter for the error |
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ExPos |
The position of the last error |
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ExProc |
The proc where the last error occured |
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FCurrentPosition |
The current position in the current proc |
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FCurrProc |
The current proc |
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FCurrStackBase |
Current stack base |
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FExceptionStack |
The exception stack |
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FExportedVars |
The list of exported variables |
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FGlobalVars |
FGlobalVars contains the global variables of the current script |
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FMainProc |
The main proc no or -1 (no main proc) |
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FOnRunLine |
FOnRunLine event |
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FProcs |
FProcs contains all script procedures |
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FRegProcs |
List of all registered external functions |
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FResources |
The list of resources |
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FRPSupFuncs |
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FSpecialProcList |
List of SpecialProcs; See TIFPSExec.AddSpecialProc |
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FStack |
The current stack |
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FStatus |
The current status of the script engine |
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FTypes |
FTypes contains all types used by the script |
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MM |
MM is the memory manager used internally. It's needed to create and destroy variants |
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constructor Create; |
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destructor Destroy; Override; |
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class function About: string; |
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procedure AddResource(Proc, P: Pointer); |
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procedure AddSpecialProcImport(const FName: string; P: TIFPSOnSpecialProcImport; Tag: Pointer); |
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procedure Cleanup; Virtual; |
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procedure Clear; Virtual; |
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procedure ClearFunctionList; |
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procedure ClearspecialProcImports; |
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procedure CMD_Err(EC: TIFError); |
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procedure CMD_Err2(EC: TIFError; const Param: string); |
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function CreateFloatVariant(FType: PIFTypeRec; Value: Extended): PIfVariant; |
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function CreateIntegerVariant(FType: PIFTypeRec; Value: Longint): PIfVariant; |
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function CreateStringVariant(FType: PIFTypeRec; const Value: string): PIfVariant; |
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procedure DeleteResource(P: Pointer); |
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procedure ExceptionProc(proc, Position: Cardinal; Ex: TIFError; const s: string); Virtual; |
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function FindProcResource(Proc: Pointer): Pointer; |
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function FindProcResource2(Proc: Pointer; var StartAt: Longint): Pointer; |
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function FindType(StartAt: Cardinal; BaseType: TIFPSBaseType; var l: Cardinal): PIFTypeRec; |
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function FindType2(BaseType: TIFPSBaseType): PIFTypeRec; |
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function GetProc(const Name: string): Cardinal; |
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function GetProcNo(C: Cardinal): PIFProcRec; |
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function GetType(const Name: string): Cardinal; |
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function GetTypeNo(l: Cardinal): PIFTypeRec; |
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function GetVar(const Name: string): Cardinal; |
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function GetVar2(const Name: string): PIFVariant; |
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function GetVarC(const Name: string): Cardinal; |
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function GetVarC2(const Name: string): PIFVariant; |
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function GetVarNo(C: Cardinal): PIFVariant; |
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function ImportProc(const Name: ShortString; var proc: TIFProcRec): Boolean; Virtual; |
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function InnerfuseCall(_Self, Address: Pointer; CallingConv: TIFPSCallingConvention; Params: TIfList; res: PIfVariant): Boolean; |
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function IsValidResource(Proc, P: Pointer): Boolean; |
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function LoadData(const s: string): Boolean; virtual; |
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procedure Pause; Virtual; |
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procedure RegisterDelphiFunction(ProcPtr: Pointer; const Name: string; CC: TIFPSCallingConvention); |
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procedure RegisterDelphiMethod(Slf, ProcPtr: Pointer; const Name: string; CC: TIFPSCallingConvention); |
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function RegisterFunctionName(const Name: ShortString; ProcPtr: TIFProc; Ext1, Ext2: Pointer): PProcRec; |
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procedure RegisterRProcSupFuncs(P: PResourcePtrSupportFuncs); |
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procedure RunLine; virtual; |
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function RunProc(Params: TIfList; ProcNo: Cardinal): Boolean; |
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function RunScript: Boolean; |
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procedure Stop; Virtual; |
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constructor Create; |
Create an instance of the executer
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destructor Destroy; Override; |
Destroy this instance of the executer
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class function About: string; |
This function will return about information
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procedure AddResource(Proc, P: Pointer); |
Add a resource
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procedure AddSpecialProcImport(const FName: string; P: TIFPSOnSpecialProcImport; Tag: Pointer); |
Add a special proc import; this is used for the dll and class library
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procedure Cleanup; Virtual; |
Reset all variables in the script to zero
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procedure Clear; Virtual; |
Clear the currently loaded script
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procedure ClearFunctionList; |
Clear the function list
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procedure ClearspecialProcImports; |
Clear the list of special proc imports
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procedure CMD_Err(EC: TIFError); |
Call CMD_Err to cause an error and stop the script
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procedure CMD_Err2(EC: TIFError; const Param: string); |
Call CMD_Err2 to cause an error and stop the script
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function CreateFloatVariant(FType: PIFTypeRec; Value: Extended): PIfVariant; |
Create a float variant
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function CreateIntegerVariant(FType: PIFTypeRec; Value: Longint): PIfVariant; |
Create an integer variant
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function CreateStringVariant(FType: PIFTypeRec; const Value: string): PIfVariant; |
create a string variant
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procedure DeleteResource(P: Pointer); |
Delete a resource
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procedure ExceptionProc(proc, Position: Cardinal; Ex: TIFError; const s: string); Virtual; |
ExceptionProc is called when an error occurs
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function FindProcResource(Proc: Pointer): Pointer; |
Find a resource
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function FindProcResource2(Proc: Pointer; var StartAt: Longint): Pointer; |
Find a resource
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function FindType(StartAt: Cardinal; BaseType: TIFPSBaseType; var l: Cardinal): PIFTypeRec; |
Search for a type (l is the starting position)
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function FindType2(BaseType: TIFPSBaseType): PIFTypeRec; |
Search for a type
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function GetProc(const Name: string): Cardinal; |
Get function that has been compiled with a name
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function GetProcNo(C: Cardinal): PIFProcRec; |
Get Proc no (C)
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function GetType(const Name: string): Cardinal; |
Get Type that has been compiled with a name
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function GetTypeNo(l: Cardinal): PIFTypeRec; |
Return type no L
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function GetVar(const Name: string): Cardinal; |
Get variable that has been compiled with a name
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function GetVar2(const Name: string): PIFVariant; |
Get variable compiled with a name as a variant
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function GetVarC(const Name: string): Cardinal; |
Get variable no (C)
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function GetVarC2(const Name: string): PIFVariant; |
Get variable compiled with a name as a variant (Case insensitive, ie name is first uppercase)
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function GetVarNo(C: Cardinal): PIFVariant; |
Get variable no (C), (Case insensitive, ie name is first uppercase)
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function ImportProc(const Name: ShortString; var proc: TIFProcRec): Boolean; Virtual; |
ImportProc is called when the script needs to import an external function
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function InnerfuseCall(_Self, Address: Pointer; CallingConv: TIFPSCallingConvention; Params: TIfList; res: PIfVariant): Boolean; |
Call a method
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function IsValidResource(Proc, P: Pointer): Boolean; |
Check if P is a valid resource for Proc
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function LoadData(const s: string): Boolean; virtual; |
Load data into the script engine
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procedure Pause; Virtual; |
Pause the script engine
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procedure RegisterDelphiFunction(ProcPtr: Pointer; const Name: string; CC: TIFPSCallingConvention); |
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procedure RegisterDelphiMethod(Slf, ProcPtr: Pointer; const Name: string; CC: TIFPSCallingConvention); |
Register a delphi function ProcPtr is a pointer to the proc to be called; Name is the name of that proc (uppercased). CC is the calling convention.
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function RegisterFunctionName(const Name: ShortString; ProcPtr: TIFProc; Ext1, Ext2: Pointer): PProcRec; |
Register a function by name
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procedure RegisterRProcSupFuncs(P: PResourcePtrSupportFuncs); |
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procedure RunLine; virtual; |
RunLine function
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function RunProc(Params: TIfList; ProcNo: Cardinal): Boolean; |
Use RunProc to call a script function. The Params will not be freed after the call
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function RunScript: Boolean; |
Run the current script
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procedure Stop; Virtual; |
Stop the script engine
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property CallCleanup: Boolean; |
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property ExceptionCode: TIFError; |
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property ExceptionPos: Cardinal; |
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property ExceptionProcNo: Cardinal; |
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property ExceptionString: string; |
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property Id: Pointer; |
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property MemoryManager: Pointer; |
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property OnRunLine: TIFPSOnLineEvent; |
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property Status: TIFStatus; |
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property CallCleanup: Boolean; |
Set CallCleanup to false when you don't want the script engine to cleanup all variables after RunScript
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property ExceptionCode: TIFError; |
Contains the last error code
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property ExceptionPos: Cardinal; |
Contains the last error position
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property ExceptionProcNo: Cardinal; |
Contains the last error proc
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property ExceptionString: string; |
Contains the last error string
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property Id: Pointer; |
Optional tag of the script engine
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property MemoryManager: Pointer; |
The MemoryManager used when calling CreateVariant/DestroyVariant
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property OnRunLine: TIFPSOnLineEvent; |
The OnRunLine event is called after each executed script line
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property Status: TIFStatus; |
Status contains the current status of the scriptengine