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OtlCommon.pas
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///<summary>Stuff common to the OmniThreadLibrary project.</summary>
///<author>Primoz Gabrijelcic</author>
///<license>
///This software is distributed under the BSD license.
///
///Copyright (c) 2019, Primoz Gabrijelcic
///All rights reserved.
///
///Redistribution and use in source and binary forms, with or without modification,
///are permitted provided that the following conditions are met:
///- Redistributions of source code must retain the above copyright notice, this
/// list of conditions and the following disclaimer.
///- Redistributions in binary form must reproduce the above copyright notice,
/// this list of conditions and the following disclaimer in the documentation
/// and/or other materials provided with the distribution.
///- The name of the Primoz Gabrijelcic may not be used to endorse or promote
/// products derived from this software without specific prior written permission.
///
///THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
///ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
///WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
///DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
///ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
///(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
///LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
///ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
///(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
///SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
///</license>
///<remarks><para>
/// Home : http://www.omnithreadlibrary.com
/// Support : https://plus.google.com/communities/112307748950248514961
/// Author : Primoz Gabrijelcic
/// E-Mail : [email protected]
/// Blog : http://thedelphigeek.com
/// Contributors : GJ, Lee_Nover, scarre, Sean B. Durkin, HHasenack
/// Creation date : 2008-06-12
/// Last modification : 2018-04-13
/// Version : 1.50
///</para><para>
/// History:
/// 1.51: 2019-01-03
/// - [HHasenack] On XE3 and above, TOmniValue.CastTo<T> supports casting
/// to an interface. Fixes #128.
/// 1.50: 2018-04-13
/// - Implemented TOmniValue.LogValue, useful for debug logging.
/// 1.49: 2018-03-12
/// - Added TOmniValue.FromRecordUnsafe<T> which works same as FromRecord<T> but
/// doesn't enforce a 'record' constraint on T.
/// 1.48: 2017-07-26
/// - TOmniMessageID can now hold TProc<integer>.
/// 1.47: 2017-02-03
/// - AsInt64 now marks TOmniValue as a type ovtInt64 so that
/// ov.CastTo<TArray<Int64>> can work. [issue #89]
/// 1.46a: 2016-10-24
/// - Corrected Environment.GroupAffinity and Environment.LoadNUMAInfo to work
/// on Windows XP.
/// 1.46: 2016-10-19
/// - Implemented TOmniValue.Wrap<T> and .Unwrap<T>, a way to wrap anything
/// (including TMethod and 'reference to procedure') in a TOmniObject.
/// [Unwrap<T> must be called as follows: omnivalue.Unwrap<T>()]
/// 1.45: 2016-10-17
/// - Implemented TOmniRecord<T>, a simple way to wrap "anything" in a record.
/// 1.44b: 2016-08-31
/// - Environment.Thread was not thread safe!
/// 1.44a: 2016-07-29
/// - [HHasenack] TOmniValue.IsInterfacedType was returning wrong result for the
/// 'owned object' data type. This could cause objects assigned to .AsOwnedObject
/// to hang in memory and never be destroyed.
/// 1.44: 2016-07-18
/// - Implemented Environment.NUMANodes.Distance which returns relative distance
/// between two nodes, as reported by the ACPI (5.2.17 System Locality Distance
/// Information Table).
/// 1.43a: 2016-07-13
/// - TOmniIntegerSet only calls OnChange event when value is actually changed.
/// (Was called on each assign.)
/// 1.43: 2016-07-05
/// - Implemented IOmniIntegerSet.
/// - Implemented IOmniThreadEnvironment.GroupAffinity.
/// 1.42: 2016-07-01
/// - Implemented Environment.NUMANodes.FindNode.
/// 1.41: 2016-06-27
/// - Environment.ProcessorGroups and .NUMANodes are supported on all platforms.
/// Pseudo-group 0 and NUMA node 0 are reported on non-Windows platforms.
/// 1.40: 2016-06-23
/// - Implemented Environment.ProcessorGroups and Environment.NUMANodes (Win64 only).
/// - IOmniAffinity.Mask changed from DWORD to NativeUInt to properly support
/// up to 64 processors on Win64.
/// 1.39: 2015-10-03
/// - [Sean] Implemented TOmniAlignedInt32 (clone of GpStuff.TGp4AlignedInt)
/// and TOmniAlignedInt64 (clone of GpStuff.TGp8AlignedInt64).
/// 1.38: 2015-09-28
/// - [Sean] Introduced non-Windows compatibility.
/// 1.37b: 2015-08-30
/// - Fixed record type handling in FromArray<T> and ToArray<T>.
/// 1.37a: 2015-04-17
/// - Added vtWideChar and vtPWideChar handling to TOmniValue.Create and .CreateNamed.
/// 1.37: 2015-02-09
/// - Added writer for TOmniExecutable.Delegate.
/// 1.36: 2015-02-03
/// - Type of TOmniValue data is now an external type - TOmniValueDataType. That
/// way causes less internal errors in the compiler.
/// - Added TOmniValue.DataType property.
/// 1.35: 2014-09-23
/// - Implemented TOmniValueContainer.AssignNamed.
/// 1.34: 2014-01-13
/// - Implemented TOmniValue.HasArrayItem.
/// 1.33: 2014-01-10
/// - TOmniValue can 'own' a TObject (object gets destroyed when a TOmniValue goes
/// out of scope). Supporting properties: IsOwnedObject, AsOwnedObject,
/// OwnsObject.
/// 1.32b: 2013-10-17
/// - Fixed exception format string in TOmniValue.SetAsTValue.
/// 1.32a: 2013-10-14
/// - Removed XE5 compilation warnings.
/// 1.32: 2013-10-13
/// - ToObject<T> is working in D2010 again (thx to [Tomasso Ercole]).
/// 1.31a: 2013-10-07
/// - Compiles with D2009 and D2010 again.
/// 1.31: 2013-05-06
/// - AnsiString type is supported in TOmniValue.
/// - Implemented FromArray<T> and ToArray<T>.
/// - CastAs<T> renamed to CastTo<T>.
/// - AsRecord<T> renamed to ToRecord<T>.
/// - CastFrom<T> and CastTo<T> work for byte- and word-sized integer types.
/// 1.30: 2013-04-29
/// - GetAsXXX family renamed to CastToXXX.
/// - TryGetAsXXX familiy renamed to TryCastToXXX.
/// 1.29: 2013-04-26
/// - Added TOmniValue.TryGetAsXXX family of functions.
/// - Added TOmniValue.GetAsXXXDef family of functions.
/// 1.28a: 2013-02-27
/// - Fixed TOmniValue._AddRef and _Release when 'nil' interface was stored in
/// the TOmniValue.
/// 1.28: 2012-07-30
/// - Implemented TOmniValue.IsRecord.
/// 1.27: 2012-05-18
/// - Added property CountPhysical to the IOmniAffinity.
/// 1.26c: 2012-02-28
/// - Fixed object and interface casting in TOmniValue.CreateNamed.
/// 1.26b: 2012-02-25
/// - TOmniValue.CreateNamed was casting pointer to integer.
/// 1.26a: 2012-02-03
/// - TOmniValueContainer.Insert did not update internal 'count' field.
/// Big thanks to [andi] for bug report and fix.
/// 1.26: 2012-01-19
/// - Added TOmniValueObj, class wrapper for TOmniValue.
/// 1.25g: 2011-12-20
/// - TOmniValue.AsInteger, AsString and AsWideString now work if the TOmniValue
/// contains a Variant of the appropriate type.
/// 1.25f: 2011-12-18
/// - Fixed various TOmniInterfaceDictionary bugs (big tnx to Zarko Gajic).
/// - Clear properly clears interface refence before destroying the bucket.
/// - Resize properly clears interface reference in old bucket after copy.
/// - Resize preserves the internal item count.
/// - Resize releases old buckets.
/// 1.25e: 2011-12-09
/// - Removed compilation hint "Private symbol 'GetAsRecord' declared but never used".
/// 1.25d: 2011-12-02
/// - Removed compilation hint "Private symbol 'GetAsArrayItem' declared but never used".
/// 1.25c: 2011-11-29
/// - Reference count handling in TOmniValue was ignoring array and record wrappers.
/// 1.25b: 2011-11-18
/// - Overloaded property getters in TOmniValue are not inlined on 2009/
/// 2010 because of the buggy compiler.
/// 1.25a: 2011-11-15
/// - Some inlining removed because it would not work reliably.
/// 1.25: 2011-11-08
/// - Less casting in TOmniValue.Create.
/// - TOmniValue can store records by using FromRecord<T> and AsRecord<T>.
/// - Added a class which can wrap any record - TOmniRecordWrapper<T>.
/// - Added an interface which can wrap any object and destroy it when the
/// interface goes out of scope - IOmniAutoDestroyObject.
/// 1.24: 2011-11-05
/// - TOmniValue.Create now internally creates TOmniValueContainer to store values.
/// Variant arrays are no longer used. IsArray tests it TOmniValue contains an
/// array and AsArray returns this internal container. Default indexed property
/// still accesses individual elements in this container. See demo
/// 50_OmniValueArray for an example.
/// - TOmniValue.Create creates internal TOmniValueContainer containing named items.
/// See demo 50_OmniValueArray for an example.
/// 1.23: 2011-09-06
/// - Implemented IOmniCounter.Take.
/// 1.22: 2011-08-31
/// - [Lee_Nover] SetThreadName implementation moved into a separate unit with debug
/// info disabled. That way, debugger doesn't stop on SetThreadName while
/// single-stepping in another thread.
/// 1.21: 2011-08-28
/// - TOmniValue can natively store exception objects (AsException, IsException).
/// 1.20: 2011-07-14
/// - Removed EXIT_EXCEPTION error code.
/// 1.19a: 2010-12-12
/// - Define implicit TOmniValue<->TDateTime conversion operators only for Delphi XE
/// and higher.
/// 1.19: 2010-12-03
/// - [scarre] Added TDateTime support to TOmniValue.
/// 1.18a: 2010-09-21
/// - IOmniWaitableValue fully compatible with TOmniWaitableValue.
/// 1.18: 2010-09-20
/// - Declared interface IOmniWaitableValue and added function CreateWaitableValue.
/// - Implemented TOmniMessageID.AsString.
/// 1.17a: 2010-07-08
/// - TOmniValue.CastAs<T> and .CastFrom<T> are partially supported in D2009.
/// 1.17: 2010-07-01
/// - Includes OTLOptions.inc.
/// 1.16: 2010-05-12
/// - TOmniValue can be cast as Int64.
/// - Implemented TOmniValue.CastFrom<T> and .CastAs<T>.
/// 1.15: 2010-05-08
/// - Implemented conversions from/to TOmniValue to/from TValue (Delphi 2010 and newer).
/// 1.14: 2010-05-06
/// - Implemented TOmniValue._AddRef, _Release, _ReleaseAndClear.
/// 1.13: 2010-04-14
/// - Removed TOmniEnumerableRange and associated code.
/// 1.12: 2010-03-16
/// - Implemented TOmniMessageID record, used internally to implement timers.
/// 1.11: 2010-03-10
/// - Implemented TOmniCounter, auto-initialized wrapper around the IOmniCounter.
/// 1.10b: 2010-03-03
/// - Replacement AnonCopy, by Serg.
/// 1.10a: 2010-02-22
/// - D2009-compatible way of setting a delegate in TOmniExecutable.
/// 1.10: 2010-02-09
/// - Implemented TOmniExecutor - a record that can store TProcedure, TMethod, or
/// TProc.
/// 1.09: 2010-02-01
/// - TOmniValue getters know how to process empty TOmniValue.
/// - Added Environment.Thread interface.
/// - Environment.SystemAffinity moved to Environment.System.Affinity.
/// 1.08: 2010-01-14
/// - Added TOmniValue.IsInteger.
/// - Refactored and enhanced TOmniValueContainer.
/// - Defined IOmniValueEnumerable interface.
/// 1.07: 2010-01-05
/// - Renamed: IInterfaceDictionary -> IOmniInterfaceDictionary,
/// IInterfaceDictionaryEnumerator -> IOmniInterfaceDictionaryEnumerator,
/// TInterfaceDictionaryPair -> TOmniInterfaceDictionaryPair.
/// - Implemented IOmniEnvironment interface and function Environment returning
/// some information on system and process.
/// 1.06: 2009-12-21
/// - Added pointer conversions and AsPointer cast to TOmniValue.
/// 1.05: 2009-11-15
/// - Removed lots of stuff that is now implemented using container observers.
/// 1.04: 2009-04-18
/// - Added WideString support to TOmniValue.
/// 1.03a: 2009-04-05
/// - Bug fixed: TInterfaceDictionaryEnumerator was ignoring first bucket.
/// 1.03: 2009-03-30
/// - TOmniCS and IOmniCriticalSection moved to the OtlSync unit.
/// 1.02a: 2009-02-09
/// - Simplified TOmniCS.Initialize.
/// 1.02: 2009-02-03
/// - Added accessor to the internal critical section to the TOmniCS record.
/// 1.01: 2009-01-26
/// - Implemented TOmniCS critical section wrapper.
/// - Added TOmniWaitableValue class.
/// 1.0d: 2008-10-05
/// - Use GetGoodHashSize from GpStringHash unit.
/// 1.0c: 2008-09-26
/// - Check PostMessage result.
/// 1.0b: 2008-09-19
/// - Bug fixed: TOmniValue.Null was not really initialized to Null.
/// 1.0a: 2008-09-02
/// - Fixed memory leak that could occur in TOmniMonitorSupport.Notify (in fact it
/// was possible to cause it in demo 11).
/// 1.0: 2008-08-26
/// - First official release.
///</para></remarks>
unit OtlCommon;
{$I OtlOptions.inc}
{$WARN SYMBOL_PLATFORM OFF}
interface
uses
Classes,
Variants,
TypInfo,
SyncObjs,
Types,
{$IFDEF MSWINDOWS}
Windows,
DSiWin32,
{$ENDIF}
{$IFDEF POSIX}
Posix.Pthread,
{$ENDIF}
{$IFDEF OTL_ERTTI}
RTTI,
{$ENDIF OTL_ERTTI}
{$IFDEF OTL_Generics}
Generics.Defaults,
Generics.Collections,
{$ENDIF OTL_Generics}
SysUtils;
const
// reserved exit statuses
EXIT_OK = 0;
EXIT_INTERNAL = integer($80000000);
EXIT_THREADPOOL_QUEUE_TOO_LONG = EXIT_INTERNAL + 0;
EXIT_THREADPOOL_STALE_TASK = EXIT_INTERNAL + 1;
EXIT_THREADPOOL_CANCELLED = EXIT_INTERNAL + 2;
EXIT_THREADPOOL_INTERNAL_ERROR = EXIT_INTERNAL + 3;
type
{$IFNDEF OTL_HasCorrectNativeInt}
NativeInt = integer;
NativeUInt = cardinal;
PNativeInt = PInteger;
PNativeUInt = PCardinal;
{$ENDIF}
//:TOmniValue conversion exception.
EOmniValueConv = class(Exception);
TOmniValueContainer = class;
IOmniAutoDestroyObject = interface;
//Update IsInterfacedType function when changing this enum!
TOmniValueDataType = (ovtNull,
{ovData} ovtBoolean, ovtInteger, ovtInt64, ovtDouble, ovtObject, ovtPointer, ovtDateTime, ovtException,
{ovIntf} ovtExtended, ovtString, ovtInterface, ovtVariant, ovtArray, ovtRecord, ovtOwnedObject
{$IFDEF MSWINDOWS}
, ovtWideString, ovtAnsiString
{$ENDIF});
TOmniValue = packed record // 13 bytes in 32-bit, 17 bytes in 64-bit
private
ovData: int64;
ovIntf: IInterface;
ovType: TOmniValueDataType;
function CastToBoolean: boolean; inline;
function CastToCardinal: cardinal; inline;
function CastToDouble: Double;
function CastToDateTime: TDateTime;
function CastToException: Exception;
function CastToExtended: Extended;
function CastToInt64: int64; inline;
function CastToInteger: integer; inline;
function CastToInterface: IInterface; inline;
function CastToObject: TObject; overload; inline;
function CastToPointer: pointer;
function CastToRecord: IOmniAutoDestroyObject; inline;
function CastToString: string;
function CastToVariant: Variant;
function GetAsArray: TOmniValueContainer; inline;
function GetAsArrayItem(idx: integer): TOmniValue; overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
function GetAsArrayItem(const name: string): TOmniValue; overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
{$IF CompilerVersion >= 19}//D2007 has problems understanding this overload
function GetAsArrayItem(const param: TOmniValue): TOmniValue; overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
//GetAsArrayItemOV is used in D2007 instead
{$IFEND}
function GetAsArrayItemOV(const param: TOmniValue): TOmniValue; overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
procedure SetAsArray(value: TOmniValueContainer); inline;
procedure SetAsArrayItem(idx: integer; const value: TOmniValue); overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
procedure SetAsArrayItem(const name: string; const value: TOmniValue); overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
{$IF CompilerVersion >= 19}//D2007 has problems understanding this overload
procedure SetAsArrayItem(const param, value: TOmniValue); overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
//SetAsArrayItemOV is used in D2007 instead
{$IFEND}
procedure SetAsArrayItemOV(const param, value: TOmniValue); overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
procedure SetAsBoolean(const value: boolean); inline;
procedure SetAsCardinal(const value: cardinal); inline;
procedure SetAsDouble(value: Double); inline;
procedure SetAsDateTime(value: TDateTime); inline;
procedure SetAsException(value: Exception);
procedure SetAsExtended(value: Extended);
procedure SetAsInt64(const value: int64); inline;
procedure SetAsInteger(const value: integer); inline;
procedure SetAsInterface(const value: IInterface); //don't inline, something is broken in codegen (XE)
procedure SetAsObject(const value: TObject); inline;
procedure SetAsOwnedObject(const value: TObject); inline;
procedure SetAsPointer(const value: pointer); inline;
procedure SetAsRecord(const intf: IOmniAutoDestroyObject); inline;
procedure SetAsString(const value: string);
procedure SetAsVariant(const value: Variant);
procedure SetOwnsObject(const value: boolean);
{$REGION 'Documentation'}
/// <summary>Most of the code in this method never executes. It is just here so that
/// stupid compilation hints such as "Private symbol 'GetAsArrayItem' declared but
/// never used" are not shown.</summary>
{$ENDREGION}
class procedure _RemoveWarnings; inline; static;
procedure ClearIntf; inline;
{$IFDEF MSWINDOWS}
function CastToAnsiString: AnsiString; inline;
function CastToWideString: WideString;
procedure SetAsAnsiString(const value: AnsiString);
procedure SetAsWideString(const value: WideString);
{$ENDIF}
{$IFDEF OTL_ERTTI}
private
function GetAsTValue: TValue;
function GetArrayFromTValue(const value: TValue): TOmniValueContainer;
function GetTValueFromArray(const a: TOmniValueContainer): TValue;
procedure SetAsTValue(const value: TValue);
{$ENDIF}
public
constructor Create(const values: array of const);
constructor CreateNamed(const values: array of const; const cppDupConWorkaround: boolean = false);
procedure _AddRef; inline;
procedure _Release; inline;
procedure _ReleaseAndClear; inline;
function CastToBooleanDef(defValue: boolean): boolean; inline;
function CastToCardinalDef(defValue: cardinal): cardinal; inline;
function CastToDoubleDef(defValue: Double): Double; inline;
function CastToDateTimeDef(defValue: TDateTime): TDateTime; inline;
function CastToExceptionDef(defValue: Exception): Exception; inline;
function CastToExtendedDef(defValue: Extended): Extended; inline;
function CastToInt64Def(defValue: int64): int64; inline;
function CastToIntegerDef(defValue: integer): integer; inline;
function CastToInterfaceDef(const defValue: IInterface): IInterface; inline;
function CastToObjectDef(defValue: TObject): TObject; inline;
function CastToPointerDef(defValue: pointer): pointer; inline;
function CastToStringDef(const defValue: string): string; inline;
function CastToVariantDef(defValue: Variant): Variant; inline;
procedure Clear; inline;
function HasArrayItem(idx: integer): boolean; overload; inline;
function HasArrayItem(const name: string): boolean; overload; inline;
function HasArrayItem(const param: TOmniValue): boolean; overload; inline;
function IsArray: boolean; inline;
function IsBoolean: boolean; inline;
function IsEmpty: boolean; inline;
function IsException: boolean; inline;
function IsFloating: boolean; inline;
function IsDateTime: boolean; inline;
function IsInteger: boolean; inline;
function IsInterface: boolean; inline;
function IsInterfacedType: boolean; inline;
function IsObject: boolean; inline;
function IsOwnedObject: boolean; inline;
function IsPointer: boolean; inline;
function IsRecord: boolean; inline;
function IsString: boolean; inline;
function IsVariant: boolean; inline;
function LogValue: string;
class function Null: TOmniValue; static;
function RawData: PInt64; inline;
procedure RawZero; inline;
function TryCastToBoolean(var value: boolean): boolean; inline;
function TryCastToCardinal(var value: cardinal): boolean; inline;
function TryCastToDouble(var value: Double): boolean;
function TryCastToDateTime(var value: TDateTime): boolean;
function TryCastToException(var value: Exception): boolean;
function TryCastToExtended(var value: Extended): boolean;
function TryCastToInt64(var value: int64): boolean; inline;
function TryCastToInteger(var value: integer): boolean; inline;
function TryCastToInterface(var value: IInterface): boolean; inline;
function TryCastToObject(var value: TObject): boolean; inline;
function TryCastToPointer(var value: pointer): boolean;
function TryCastToString(var value: string): boolean;
function TryCastToVariant(var value: Variant): boolean;
class operator Equal(const a: TOmniValue; i: integer): boolean; inline;
class operator Equal(const a: TOmniValue; const s: string): boolean; inline;
class operator Implicit(const a: boolean): TOmniValue; inline;
class operator Implicit(const a: Double): TOmniValue; inline;
class operator Implicit(const a: Extended): TOmniValue; inline;
class operator Implicit(const a: integer): TOmniValue; inline;
class operator Implicit(const a: int64): TOmniValue; inline;
class operator Implicit(const a: pointer): TOmniValue; inline;
class operator Implicit(const a: string): TOmniValue; inline;
class operator Implicit(const a: IInterface): TOmniValue; //don't inline, something is broken in codegen (XE)
class operator Implicit(const a: TObject): TOmniValue; inline;
class operator Implicit(const a: Exception): TOmniValue; inline;
class operator Implicit(const a: TOmniValue): int64; inline;
class operator Implicit(const a: TOmniValue): TObject; inline;
class operator Implicit(const a: TOmniValue): Double; inline;
class operator Implicit(const a: TOmniValue): Exception; inline;
class operator Implicit(const a: TOmniValue): Extended; inline;
class operator Implicit(const a: TOmniValue): string; inline;
class operator Implicit(const a: TOmniValue): integer; inline;
class operator Implicit(const a: TOmniValue): pointer; inline;
class operator Implicit(const a: TOmniValue): boolean; inline;
class operator Implicit(const a: TOmniValue): IInterface; inline;
class operator Implicit(const a: Variant): TOmniValue; inline;
{$IFDEF OTL_TOmniValueImplicitDateTime}
class operator Implicit(const a: TDateTime): TOmniValue; inline;
class operator Implicit(const a: TOmniValue): TDateTime; inline;
{$ENDIF OTL_TOmniValueImplicitDateTime}
property AsArray: TOmniValueContainer read GetAsArray;
property AsArrayItem[idx: integer]: TOmniValue read GetAsArrayItem write SetAsArrayItem; default;
property AsArrayItem[const name: string]: TOmniValue read GetAsArrayItem write SetAsArrayItem; default;
{$IF CompilerVersion >= 19}//D2007 has problems understanding this overload
property AsArrayItem[const param: TOmniValue]: TOmniValue read GetAsArrayItem write SetAsArrayItem; default;
{$IFEND}
property AsArrayItemOV[const param: TOmniValue]: TOmniValue read GetAsArrayItemOV write SetAsArrayItemOV;
property AsBoolean: boolean read CastToBoolean write SetAsBoolean;
property AsCardinal: cardinal read CastToCardinal write SetAsCardinal;
property AsDouble: Double read CastToDouble write SetAsDouble;
property AsDateTime: TDateTime read CastToDateTime write SetAsDateTime;
property AsException: Exception read CastToException write SetAsException;
property AsExtended: Extended read CastToExtended write SetAsExtended;
property AsInt64: int64 read CastToInt64 write SetAsInt64;
property AsInteger: integer read CastToInteger write SetAsInteger;
property AsInterface: IInterface read CastToInterface write SetAsInterface;
property AsObject: TObject read CastToObject write SetAsObject;
property AsOwnedObject: TObject read CastToObject write SetAsOwnedObject;
property AsPointer: pointer read CastToPointer write SetAsPointer;
property AsString: string read CastToString write SetAsString;
property AsVariant: Variant read CastToVariant write SetAsVariant;
property DataType: TOmniValueDataType read ovType;
property OwnsObject: boolean read IsOwnedObject write SetOwnsObject;
{$IFDEF MSWINDOWS}
function CastToAnsiStringDef(const defValue: AnsiString): AnsiString; inline;
function CastToWideStringDef(defValue: WideString): WideString; inline;
function IsAnsiString: boolean; inline;
function IsWideString: boolean; inline;
function TryCastToAnsiString(var value: AnsiString): boolean;
function TryCastToWideString(var value: WideString): boolean;
{$IFDEF Unicode}
class operator Implicit(const a: TOmniValue): AnsiString; inline;
class operator Implicit(const a: AnsiString): TOmniValue; inline;
{$ENDIF Unicode}
class operator Implicit(const a: TOmniValue): WideString; inline;
class operator Implicit(const a: WideString): TOmniValue; inline;
property AsAnsiString: AnsiString read CastToAnsiString write SetAsAnsiString;
property AsWideString: WideString read CastToWideString write SetAsWideString;
{$ENDIF}
{$IFDEF OTL_Generics}
class function CastFrom<T>(const value: T): TOmniValue; static;
function CastTo<T>: T;
class function FromRecord<T: record>(const value: T): TOmniValue; static;
class function FromRecordUnsafe<T>(const value: T): TOmniValue; static;
function ToRecord<T>: T;
class function Wrap<T>(const value: T): TOmniValue; static;
function Unwrap<T>: T; //Use this form to call: omnivalue.Unwrap<T>()
{$IFDEF OTL_HasArrayOfT}
class function FromArray<T>(const values: TArray<T>): TOmniValue; static;
function ToArray<T>: TArray<T>;
{$ENDIF OTL_HasArrayOfT}
{$IF CompilerVersion > 20}
function CastToObject<T: class>: T; overload;
function ToObject<T: class>: T;
{$IFEND}
{$ENDIF OTL_Generics}
{$IFDEF OTL_ERTTI}
class operator Implicit(const a: TValue): TOmniValue; inline;
class operator Implicit(const a: TOmniValue): TValue; inline;
property AsTValue: TValue read GetAsTValue write SetAsTValue;
{$ENDIF OTL_ERTTI}
end; { TOmniValue }
/// <summary>TOmniValue wrapper - for when you need to treat TOmniValue as an object.</summary>
TOmniValueObj = class
strict private
FValue: TOmniValue;
public
constructor Create(const value: TOmniValue);
property Value: TOmniValue read FValue;
end; { TOmniValueObj }
{$IFDEF OTL_Generics}
TOmniRecord<T> = record
strict private
FValue: T;
public
constructor Create(const aValue: T);
property Value: T read FValue write FValue;
end;
{$ENDIF OTL_Generics}
///<summary>Slightly different from the IEnumerable:
/// - Returns TOmniValue.
/// - Must ensure correct operation of multiple simultaneous enumerators.
/// - TryTake must be implemented to support mutable collections (as TOmniBlockingCollection).
/// For non-mutable collections TryTake can simply return false if the collection
/// is empty.
/// - TryTake must be threadsafe - when used in Parallel.For, data manager will call
/// it simultaneously from multiple threads at the same time.
///</summary>
IOmniValueEnumerator = interface ['{F60EBBD8-2F87-4ACD-A014-452F296F4699}']
function GetCurrent: TOmniValue;
function MoveNext: boolean;
function TryTake(var value: TOmniValue; timeout_ms: cardinal): boolean;
property Current: TOmniValue read GetCurrent;
end; { IOmniValueEnumerator }
IOmniValueEnumerable = interface ['{50C1C176-C61F-41F5-AA0B-6FD215E5159F}']
function GetEnumerator: IOmniValueEnumerator;
end; { IOmniValueEnumerable }
///<summary>Abstract enumerator class, used as a base for internal classes passed to the
/// OtlDataManager.</summary>
TOmniValueEnumerator = class abstract
function GetCurrent: TOmniValue; virtual; abstract;
function MoveNext: boolean; virtual; abstract;
property Current: TOmniValue read GetCurrent;
end; { TOmniValueEnumerator }
IOmniWaitableValue = interface ['{46EB21E0-B5E8-47DA-8E34-E4DE04C4D8D9}']
{$IFDEF MSWINDOWS}
function GetHandle: THandle;
{$ENDIF}
function GetEvent: TEvent;
function GetValue: TOmniValue;
//
procedure Reset;
procedure Signal; overload;
procedure Signal(const data: TOmniValue); overload;
function WaitFor(maxWait_ms: cardinal = INFINITE): boolean;
{$IFDEF MSWINDOWS}
property Handle: THandle read GetHandle;
{$ENDIF}
property Event: TEvent read GetEvent;
property Value: TOmniValue read GetValue;
end; { IOmniWaitableValue }
TOmniWaitableValue = class(TInterfacedObject, IOmniWaitableValue)
strict private
FEvent: TEvent;
FValue: TOmniValue;
protected
{$IFDEF MSWINDOWS}
function GetHandle: THandle;
{$ENDIF}
function GetEvent: TEvent;
function GetValue: TOmniValue;
public
constructor Create;
destructor Destroy; override;
procedure Reset; inline;
procedure Signal; overload; inline;
procedure Signal(const data: TOmniValue); overload; inline;
function WaitFor(maxWait_ms: cardinal = INFINITE): boolean; inline;
{$IFDEF MSWINDOWS}
property Handle: THandle read GetHandle;
{$ENDIF}
property Event: TEvent read GetEvent;
property Value: TOmniValue read GetValue;
end; { TOmniWaitableValue }
TOmniValueContainer = class
strict private
ovcCanModify: boolean;
ovcCount : integer;
ovcNames : array of string;
ovcValues : array of TOmniValue;
strict protected
function AddParam(const paramName: string): integer;
procedure Clear;
function GetItem(paramIdx: integer): TOmniValue; overload;
function GetItem(const paramName: string): TOmniValue; overload;
function GetItem(const param: TOmniValue): TOmniValue; overload;
procedure SetItem(idx: integer; const value: TOmniValue); overload; {$IF CompilerVersion >= 22}inline;{$IFEND}
procedure SetItem(const name: string; const value: TOmniValue); overload;
procedure SetItem(const param, value: TOmniValue); overload;
procedure Grow(requiredIdx: integer = -1);
public
constructor Create;
procedure Add(const paramValue: TOmniValue; const paramName: string = '');
procedure Assign(const parameters: array of TOmniValue);
procedure AssignNamed(const parameters: array of TOmniValue);
function ByName(const paramName: string): TOmniValue; overload;
function ByName(const paramName: string; const defValue: TOmniValue): TOmniValue; overload;
function Count: integer;
function Exists(const paramName: string): boolean;
function IndexOf(const paramName: string): integer;
procedure Insert(paramIdx: integer; const value: TOmniValue);
function IsLocked: boolean; inline;
procedure Lock; inline;
property Item[paramIdx: integer]: TOmniValue read GetItem write SetItem; default;
property Item[const paramName: string]: TOmniValue read GetItem write SetItem; default;
property Item[const param: TOmniValue]: TOmniValue read GetItem write SetItem; default;
end; { TOmniValueContainer }
//:Thread-safe counter
IOmniCounter = interface ['{3A73CCF3-EDC5-484F-8459-532B8C715E3C}']
function GetValue: integer;
procedure SetValue(const value: integer);
//
function Increment: integer;
function Decrement: integer;
function Take(count: integer): integer; overload;
function Take(count: integer; var taken: integer): boolean; overload;
property Value: integer read GetValue write SetValue;
end; { IOmniCounter }
TOmniCounter = record
strict private
{$IFNDEF MSWINDOWS}[Volatile]{$ENDIF}
ocCounter: IOmniCounter;
function GetValue: integer;
procedure SetValue(const value: integer);
public
procedure Initialize;
function Increment: integer;
function Decrement: integer;
function Take(count: integer): integer; overload;
function Take(count: integer; var taken: integer): boolean; overload;
property Value: integer read GetValue write SetValue;
end; { TOmniCounter }
{$IFDEF OTL_GoodGenerics}
TOmniInterfaceDictionaryPair = TPair<int64, IInterface>;
{$ELSE}
TOmniInterfaceDictionaryPair = class
strict private
idpKey : int64;
idpValue: IInterface;
protected
procedure SetKeyValue(const key: int64; const value: IInterface);
public
property Key: int64 read idpKey;
property Value: IInterface read idpValue;
end; { TOmniInterfaceDictionaryPair }
IOmniInterfaceDictionaryEnumerator = interface
function GetCurrent: TOmniInterfaceDictionaryPair;
function MoveNext: boolean;
property Current: TOmniInterfaceDictionaryPair read GetCurrent;
end; { IOmniInterfaceDictionaryEnumerator }
{$ENDIF OTL_GoodGenerics}
IOmniInterfaceDictionary = interface ['{619FCCF3-E810-4DCF-B902-1EF1A5A72DB5}']
{$IFDEF OTL_GoodGenerics}
function GetEnumerator: TDictionary<int64, IInterface>.TPairEnumerator;
{$ELSE}
function GetEnumerator: IOmniInterfaceDictionaryEnumerator;
{$ENDIF OTL_GoodGenerics}
//
procedure Add(const key: int64; const value: IInterface);
procedure Clear;
function Count: integer;
procedure Remove(const key: int64);
function ValueOf(const key: int64): IInterface;
end; { IOmniInterfaceDictionary }
IOmniIntegerSet = interface;
TOmniIntegerSetChangedEvent = procedure(const intSet: IOmniIntegerSet) of object;
IOmniIntegerSet = interface ['{571F85D0-CFD8-40FE-8860-A8C1C932028C}']
function GetAsBits: TBits;
function GetAsIntArray: TIntegerDynArray;
function GetAsMask: int64;
function GetItem(idx: integer): integer;
function GetOnChange: TOmniIntegerSetChangedEvent;
procedure SetAsBits(const value: TBits);
procedure SetAsIntArray(const Value: TIntegerDynArray);
procedure SetAsMask(const value: int64);
procedure SetOnChange(const value: TOmniIntegerSetChangedEvent);
{$IFDEF OTL_HasArrayOfT}
function GetAsArray: TArray<integer>;
procedure SetAsArray(const Value: TArray<integer>);
{$ENDIF OTL_HasArrayOfT}
//
function Add(value: integer): boolean;
procedure Assign(const value: IOmniIntegerSet);
procedure Clear;
function Contains(value: integer): boolean;
function Count: integer;
function IsEmpty: boolean;
function Remove(value: integer): boolean;
{$IFDEF OTL_HasArrayOfT}
property AsArray: TArray<integer> read GetAsArray write SetAsArray;
{$ENDIF OTL_HasArrayOfT}
property AsBits: TBits read GetAsBits write SetAsBits;
property AsIntArray: TIntegerDynArray read GetAsIntArray write SetAsIntArray;
property AsMask: int64 read GetAsMask write SetAsMask;
property OnChange: TOmniIntegerSetChangedEvent read GetOnChange write SetOnChange;
property Item[idx: integer]: integer read GetItem; default;
end; { IOmniIntegerSet }
TOmniIntegerSet = class(TInterfacedObject, IOmniIntegerSet)
strict private
FBits : TBits;
FHasValueCopy: boolean;
FOnChange : TOmniIntegerSetChangedEvent;
FValueCopy : TIntegerDynArray;
protected
procedure DoOnChange;
function GetAsBits: TBits; inline;
function GetAsIntArray: TIntegerDynArray;
function GetAsMask: int64;
function GetItem(idx: integer): integer;
function GetOnChange: TOmniIntegerSetChangedEvent; inline;
procedure PrepareValueCopy;
procedure SetAsBits(const value: TBits);
procedure SetAsIntArray(const value: TIntegerDynArray);
procedure SetAsMask(const value: int64);
procedure SetOnChange(const value: TOmniIntegerSetChangedEvent); inline;
{$IFDEF OTL_HasArrayOfT}
function GetAsArray: TArray<integer>;
procedure SetAsArray(const value: TArray<integer>);
{$ENDIF OTL_HasArrayOfT}
public
constructor Create;
constructor Clone(const value: IOmniIntegerSet);
destructor Destroy; override;
function Add(value: integer): boolean;
procedure Assign(const value: IOmniIntegerSet); overload;
procedure Assign(const value: TOmniIntegerSet); overload;
procedure Clear; inline;
function Contains(value: integer): boolean; inline;
function Count: integer;
function IsEmpty: boolean;
function Remove(value: integer): boolean;
{$IFDEF OTL_HasArrayOfT}
property AsArray: TArray<integer> read GetAsArray write SetAsArray;
{$ENDIF OTL_HasArrayOfT}
property AsBits: TBits read GetAsBits write SetAsBits;
property AsIntArray: TIntegerDynArray read GetAsIntArray write SetAsIntArray;
property AsMask: int64 read GetAsMask write SetAsMask;
property OnChange: TOmniIntegerSetChangedEvent read GetOnChange write SetOnChange;
property Item[idx: integer]: integer read GetItem; default;
end; { TOmniIntegerSet }
IOmniAffinity = interface ['{8A6DDC70-F705-4577-869B-6810E776132B}']
function GetAsString: string;
function GetCount: integer;
function GetCountPhysical: integer;
procedure SetAsString(const value: string);
procedure SetCount(const value: integer);
{$IFDEF MSWINDOWS}
function GetMask: NativeUInt;
procedure SetMask(const value: NativeUInt);
{$ENDIF}
//
property AsString: string read GetAsString write SetAsString;
property Count: integer read GetCount write SetCount;
property CountPhysical: integer read GetCountPhysical;
{$IFDEF MSWINDOWS}
property Mask: NativeUInt read GetMask write SetMask;
{$ENDIF}
end; { IOmniAffinity }
{$IFDEF MSWINDOWS}
TOmniProcessMemoryCounters = TProcessMemoryCounters;
{$ENDIF}
{$IFDEF MSWINDOWS}
TOmniProcessTimes = record
CreationTime: TDateTime;
UserTime : int64;
KernelTime : int64;
end; { TOmniProcessTimes }
{$ENDIF}
TOmniProcessPriorityClass = (pcIdle, pcBelowNormal, pcNormal, pcAboveNormal, pcHigh,
pcRealtime);
IOmniProcessEnvironment = interface ['{98D6BDA3-840B-4E19-B01D-633E6A239FE9}']
function GetAffinity: IOmniAffinity;
function GetPriorityClass: TOmniProcessPriorityClass;
{$IFDEF MSWINDOWS}
function GetMemory: TOmniProcessMemoryCounters;
function GetTimes: TOmniProcessTimes;
{$ENDIF}
//
property Affinity: IOmniAffinity read GetAffinity;
property PriorityClass: TOmniProcessPriorityClass read GetPriorityClass;
{$IFDEF MSWINDOWS}
property Memory: TOmniProcessMemoryCounters read GetMemory;
property Times: TOmniProcessTimes read GetTimes;
{$ENDIF}
end; { IOmniProcessEnvironment }
IOmniSystemEnvironment = interface ['{9BE1EFE3-4ABB-4C2F-B2A4-B014D0949FEC}']
function GetAffinity: IOmniAffinity;
//
property Affinity: IOmniAffinity read GetAffinity;
end; { IOmniSystemEnvironment }
{$IFNDEF OTL_HasThreadID}
TThreadID = LongWord;
{$ENDIF ~OTL_HasThreadID}
TOmniGroupAffinity = record
private
FAffinity: IOmniIntegerSet;
FGroup : integer;
function GetAffinity: IOmniIntegerSet;
public
constructor Create(groupNumber: integer; const affinity: IOmniIntegerSet); overload;
constructor Create(groupNumber: integer; const affinityMask: int64); overload;
property Group: integer read FGroup write FGroup;
property Affinity: IOmniIntegerSet read GetAffinity;
end; { TOmniGroupAffinity }
IOmniThreadEnvironment = interface ['{5C11FEC7-9FBE-423F-B30E-543C8240E3A3}']
function GetAffinity: IOmniAffinity;
function GetGroupAffinity: TOmniGroupAffinity;
function GetID: TThreadId;
procedure SetGroupAffinity(const value: TOmniGroupAffinity);
//
property Affinity: IOmniAffinity read GetAffinity;
property GroupAffinity: TOmniGroupAffinity read GetGroupAffinity write SetGroupAffinity;
property ID: TThreadId read GetID;
end; { IOmniThreadEnvironment }
{$IFDEF OTL_NUMASupport}
IOmniNUMANode = interface ['{8D3B415F-8B13-4BFF-B7C7-2D0BC1705217}']
function GetAffinity: IOmniIntegerSet;
function GetGroupNumber: integer;
function GetNodeNumber: integer;
//
property NodeNumber: integer read GetNodeNumber;
property GroupNumber: integer read GetGroupNumber;
property Affinity: IOmniIntegerSet read GetAffinity;
end; { IOmniNUMANode }
IOmniNUMANodes = interface ['{4407E795-ED35-4DD1-9EC6-D59758BAF581}']
function GetItem(idx: integer): IOmniNUMANode;
//
function All: IOmniIntegerSet;
function Count: integer;
function Distance(fromNode, toNode: integer): integer;
function FindNode(nodeNumber: integer): IOmniNUMANode;
function GetEnumerator: TList<IOmniNUMANode>.TEnumerator;
property Item[idx: integer]: IOmniNUMANode read GetItem; default;
end; { IOmniNUMANodes }
IOmniProcessorGroup = interface ['{BCFB0AE8-A378-4A4B-AD73-EF9B59218B55}']
function GetAffinity: IOmniIntegerSet;
function GetGroupNumber: integer;
//
property GroupNumber: integer read GetGroupNumber;
property Affinity: IOmniIntegerSet read GetAffinity;
end; { IOmniProcessorGroup }
IOmniProcessorGroups = interface ['{B4C871C0-CF61-4BC9-98DE-87F720F51853}']
function GetItem(idx: integer): IOmniProcessorGroup;
//
function All: IOmniIntegerSet;
function Count: integer;
function FindGroup(groupNumber: integer): IOmniProcessorGroup;
function GetEnumerator: TList<IOmniProcessorGroup>.TEnumerator;
property Item[idx: integer]: IOmniProcessorGroup read GetItem; default;
end; { IOmniProcessorGroups }
{$ENDIF OTL_NUMASupport}
IOmniEnvironment = interface ['{4F9594E2-8B88-483C-9616-85B50493406D}']
{$IFDEF OTL_NUMASupport}
function GetNUMANodes: IOmniNUMANodes;
function GetProcessorGroups: IOmniProcessorGroups;
{$ENDIF OTL_NUMASupport}
function GetProcess: IOmniProcessEnvironment;
function GetSystem: IOmniSystemEnvironment;
function GetThread: IOmniThreadEnvironment;
//
{$IFDEF OTL_NUMASupport}
property NUMANodes: IOmniNUMANodes read GetNUMANodes;
property ProcessorGroups: IOmniProcessorGroups read GetProcessorGroups;
{$ENDIF OTL_NUMASupport}
property Process: IOmniProcessEnvironment read GetProcess;
property System: IOmniSystemEnvironment read GetSystem;
property Thread: IOmniThreadEnvironment read GetThread;
end; { IOmniEnvironment }
TOmniExecutableKind = (oekNull, oekProcedure, oekMethod {$IFDEF OTL_Anonymous},
oekDelegate{$ENDIF});
TOmniExecutable = record
{$IFDEF OTL_Anonymous}
strict private
oeDelegate: TProc;
procedure SetAnonDelegate(const value: TProc); inline;
function GetDelegate: TProc; inline;
{$ENDIF OTL_Anonymous}
strict private
oeMethod : TMethod;
oeProcedure: TProcedure;
oeKind : TOmniExecutableKind;
procedure CheckKind(kind: TOmniExecutableKind); inline;
function GetMethod: TMethod; inline;
function GetProc: TProcedure; inline;
procedure SetMethod(const value: TMethod); inline;
procedure SetProc(const value: TProcedure); inline;
public
class operator Explicit(const a: TOmniExecutable): TMethod; inline;
class operator Explicit(const a: TOmniExecutable): TProcedure; inline;
class operator Explicit(const a: TMethod): TOmniExecutable; inline;
class operator Explicit(const a: TProcedure): TOmniExecutable; inline;
class operator Implicit(const a: TMethod): TOmniExecutable; inline;
class operator Implicit(const a: TProcedure): TOmniExecutable; inline;
class operator Implicit(const a: TOmniExecutable): TMethod; inline;
class operator Implicit(const a: TOmniExecutable): TProcedure; inline;
procedure Clear; inline;
function IsNull: boolean; inline;
property Kind: TOmniExecutableKind read oeKind;
property Method: TMethod read GetMethod write SetMethod;
property Proc: TProcedure read GetProc write SetProc;
public
{$IFDEF OTL_Anonymous}
class procedure AnonCopy(var Dest; const Source); static;
class operator Explicit(const a: TOmniExecutable): TProc; inline;
class operator Explicit(const a: TProc): TOmniExecutable; inline;
class operator Implicit(const a: TOmniExecutable): TProc; inline;
class operator Implicit(const a: TProc): TOmniExecutable; inline;
procedure SetDelegate(const source);
property Delegate: TProc read GetDelegate write SetAnonDelegate;
{$ENDIF OTL_Anonymous}
end; { TOmniExecutable }
TOmniMessageIDType = (mitInteger, mitString, mitPointer {$IFDEF OTL_Anonymous}, mitAnon{$ENDIF});
///<summary>Describes 'smart' IOmniTaskControl message (either message ID, method name,