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https://gitlab.com/freepascal.org/fpc/source.git
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655 lines
18 KiB
ObjectPascal
655 lines
18 KiB
ObjectPascal
{
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FPDoc - Free Pascal Documentation Tool
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Copyright (C) 2000 - 2003 by
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Areca Systems GmbH / Sebastian Guenther, sg@freepascal.org
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2005-2012 by
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various FPC contributors
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* Skeleton XML description file generator.
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This generator scans Pascal source code for identifiers and emits XML files
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suitable for further processing with the fpdoc documentation system:
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users can edit the XML file and add (help) description.
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See the file COPYING, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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}
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{%RunCommand $MakeExe($(EdFile)) --package=fpvectorial --input=/home/felipe/Programas/fpctrunk/packages/fpvectorial/src/fpvectorial.pas}
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program MakeSkel;
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{$mode objfpc}
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{$h+}
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uses
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SysUtils, Classes, Gettext,
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dGlobals, PasTree, PParser,PScanner;
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resourcestring
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STitle = 'MakeSkel - FPDoc skeleton XML description file generator';
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SVersion = 'Version %s [%s]';
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SCmdLineHelp = 'See documentation for usage.';
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SCmdLineInvalidOption = 'Ignoring unknown option "%s"';
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SNoPackageNameProvided = 'Please specify a package name with --package=<name>';
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SOutputMustNotBeDescr = 'Output file must be different from description filenames.';
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SCreatingNewNode = 'Creating documentation for new node : %s';
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SNodeNotReferenced = 'Documentation node "%s" no longer used';
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SDone = 'Done.';
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type
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TCmdLineAction = (actionHelp, actionConvert);
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TNodePair = Class(TObject)
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Private
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FEl : TPasElement;
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FNode : TDocNode;
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Public
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Constructor Create(AnElement : TPasElement; ADocNode : TDocNode);
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Property Element : TPasElement Read FEl;
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Property DocNode : TDocNode Read FNode;
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end;
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TSkelEngine = class(TFPDocEngine)
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Private
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FEmittedList,
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FNodeList,
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FModules : TStringList;
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Procedure DoWriteUnReferencedNodes(N : TDocNode; NodePath : String);
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public
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Destructor Destroy; override;
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Function MustWriteElement(El : TPasElement; Full : Boolean) : Boolean;
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Function WriteElement(Var F : Text; El : TPasElement; ADocNode : TDocNode) : Boolean;
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function FindModule(const AName: String): TPasModule; override;
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function CreateElement(AClass: TPTreeElement; const AName: String;
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AParent: TPasElement; AVisibility :TPasMemberVisibility;
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const ASourceFilename: String; ASourceLinenumber: Integer): TPasElement; override;
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procedure WriteUnReferencedNodes;
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Procedure WriteNodes(Var F : Text; AModule : TPasModule; List : TStrings);
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Procedure DocumentFile(Var F : Text; Const AFileName,ATarget,ACPU : String);
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Property NodeList : TStringList Read FNodeList;
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Property EmittedList : TStringList Read FEmittedList;
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end;
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const
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CmdLineAction: TCmdLineAction = actionConvert;
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OSTarget: String = {$I %FPCTARGETOS%};
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CPUTarget: String = {$I %FPCTARGETCPU%};
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FPCVersion: String = {$I %FPCVERSION%};
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FPCDate: String = {$I %FPCDATE%};
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var
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WriteDeclaration,
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UpdateMode,
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SortNodes,
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DisableOverride,
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DisableErrors,
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DisableSeealso,
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DisableArguments,
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DisableProtected,
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DisablePrivate,
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DisableFunctionResults: Boolean;
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EmitClassSeparator: Boolean;
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Constructor TNodePair.Create(AnElement : TPasElement; ADocNode : TDocNode);
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begin
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Fel:=Anelement;
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FNode:=ADocNode;
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end;
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function TSkelEngine.FindModule(const AName: String): TPasModule;
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Var
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I : Integer;
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begin
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Result:=Inherited FindModule(AName);
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If (Result=Nil) then
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begin // Create dummy list and search in that.
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If (FModules=Nil) then
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begin
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FModules:=TStringList.Create;
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FModules.Sorted:=True;
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end;
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I:=FModules.IndexOf(AName);
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IF (I=-1) then
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begin
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Result:=TPasModule.Create(AName,Nil);
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FModules.AddObject(AName,Result);
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end
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else
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Result:=FModules.Objects[i] as TPasModule;
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end;
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end;
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Destructor TSkelEngine.Destroy;
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Var
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I : Integer;
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begin
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If Assigned(FModules) then
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begin
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For I:=0 to FModules.Count-1 do
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FModules.Objects[i].Free;
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FreeAndNil(FModules);
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end;
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end;
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Function TSkelEngine.MustWriteElement(El : TPasElement; Full : Boolean) : Boolean;
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Var
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ParentVisible:Boolean;
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PT,PP : TPasElement;
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begin
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ParentVisible:=True;
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If (El is TPasArgument) or (El is TPasResultElement) then
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begin
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PT:=El.Parent;
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// Skip ProcedureType or PasFunctionType
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If (PT<>Nil) then
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begin
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if (PT is TPasProcedureType) or (PT is TPasFunctionType) then
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PT:=PT.Parent;
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If (PT<>Nil) and ((PT is TPasProcedure) or (PT is TPasProcedure)) then
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PP:=PT.Parent
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else
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PP:=Nil;
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If (PP<>Nil) and (PP is TPasClassType) then
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begin
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ParentVisible:=((not DisablePrivate or (PT.Visibility<>visPrivate)) and
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(not DisableProtected or (PT.Visibility<>visProtected)));
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end;
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end;
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end;
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Result:=Assigned(El.Parent) and (Length(El.Name) > 0) and
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(ParentVisible and (not DisableArguments or (El.ClassType <> TPasArgument))) and
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(ParentVisible and (not DisableFunctionResults or (El.ClassType <> TPasResultElement))) and
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(not DisablePrivate or (el.Visibility<>visPrivate)) and
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(not DisableProtected or (el.Visibility<>visProtected));
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If Result and Full then
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begin
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Result:=(Not Assigned(FEmittedList) or (FEmittedList.IndexOf(El.FullName)=-1));
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If DisableOverride and (El is TPasProcedure) then
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Result:=Not TPasProcedure(El).IsOverride;
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end;
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end;
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function TSkelEngine.CreateElement(AClass: TPTreeElement; const AName: String;
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AParent: TPasElement; AVisibility : TPasMemberVisibility;
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const ASourceFilename: String; ASourceLinenumber: Integer): TPasElement;
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Var
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DN : TDocNode;
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begin
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Result := AClass.Create(AName, AParent);
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Result.Visibility:=AVisibility;
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// Let function/procedure arguments and function results
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// inherit visibility from their parents if visDefault visibility is
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// specified.
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// This allows easier text searches on visibility in the resulting XML
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if (AVisibility=visDefault) and
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((Result is TPasArgument) or (Result is TPasResultElement)) then
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Result.Visibility:=AParent.Visibility;
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if AClass.InheritsFrom(TPasModule) then
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CurModule := TPasModule(Result);
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// Track this element
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If UpdateMode then
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begin
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DN:=FindDocNode(Result);
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If Assigned(DN) then
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DN.IncRefCount;
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end
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else
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DN:=Nil;
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// See if we need to write documentation for it
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If MustWriteElement(Result,False) then
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FNodeList.AddObject(Result.PathName,TNodePair.Create(Result,DN));
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end;
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Function TSkelEngine.WriteElement(Var F : Text;El : TPasElement; ADocNode : TDocNode) : Boolean;
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Function WriteOnlyShort(APasElement : TPasElement) : Boolean;
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begin
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Result:=(APasElement.ClassType=TPasArgument) or
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(APasElement.ClassType=TPasResultElement) or
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(APasElement.ClassType=TPasEnumValue);
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end;
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Function IsTypeVarConst(APasElement : TPasElement) : Boolean;
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begin
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With APasElement do
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Result:=(InheritsFrom(TPasType) and not InheritsFrom(TPasClassType)) or
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(InheritsFrom(TPasResString)) or
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(InheritsFrom(TPasVariable));
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end;
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Function NeedDeclaration(El : TPasElement) : boolean;
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begin
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Result:=IsTypeVarConst(El)
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or WriteOnlyShort(El)
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or EL.InheritsFrom(TPasProcedure)
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end;
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begin
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// Check again, this time with full declaration.
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Result:=MustWriteElement(El,True);
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If Result and UpdateMode then
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Result:=(ADocNode=Nil);
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If Not Result Then
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Exit;
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If UpdateMode then
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Writeln(stderr,Format(ScreatingNewNode,[el.PathName]));
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FEmittedList.Add(El.FullName); // So we don't emit again.
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WriteLn(f);
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if EmitClassSeparator and (El.ClassType = TPasClassType) then
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begin
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WriteLn(f, '<!--');
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WriteLn(f, ' ********************************************************************');
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WriteLn(f, ' ', El.PathName);
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WriteLn(f, ' ********************************************************************');
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WriteLn(f, '-->');
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WriteLn(f);
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end;
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If Not (WriteDeclaration and NeedDeclaration(El)) then
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Writeln(F,'<!-- ', El.ElementTypeName,' Visibility: ',VisibilityNames[El.Visibility], ' -->')
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else
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begin
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Writeln(F,'<!-- ',El.ElementTypeName,' Visibility: ',VisibilityNames[El.Visibility]);
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Writeln(F,' Declaration: ',El.GetDeclaration(True),' -->');
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end;
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WriteLn(f,'<element name="', El.FullName, '">');
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WriteLn(f, '<short></short>');
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if Not WriteOnlyShort(El) then
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begin
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WriteLn(f, '<descr>');
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WriteLn(f, '</descr>');
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if not (DisableErrors or IsTypeVarConst(El)) then
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begin
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WriteLn(f, '<errors>');
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WriteLn(f, '</errors>');
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end;
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if not DisableSeealso then
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begin
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WriteLn(f, '<seealso>');
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WriteLn(f, '</seealso>');
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end;
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end;
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WriteLn(f, '</element>');
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end;
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Procedure TSkelEngine.DoWriteUnReferencedNodes(N : TDocNode; NodePath : String);
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begin
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If (N<>Nil) then
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begin
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If (NodePath<>'') then
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NodePath:=NodePath+'.';
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DoWriteUnReferencedNodes(N.FirstChild,NodePath+N.Name);
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While (N<>Nil) do
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begin
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if (N.RefCount=0) and (N.Node<>Nil) and (Not N.TopicNode) then
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Writeln(stderr,Format(SNodeNotReferenced,[NodePath+N.Name]));
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N:=N.NextSibling;
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end;
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end;
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end;
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procedure TSkelEngine.WriteUnReferencedNodes;
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begin
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DoWriteUnReferencedNodes(RootDocNode,'');
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end;
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Procedure TSkelEngine.WriteNodes(Var F : Text; AModule : TPasModule; List : TStrings);
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Var
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P : TNodePair;
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I : integer;
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begin
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WriteLn(f);
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WriteLn(f, '<!--');
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WriteLn(f, ' ====================================================================');
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WriteLn(f, ' ', Amodule.Name);
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WriteLn(f, ' ====================================================================');
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WriteLn(f, '-->');
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WriteLn(f);
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WriteLn(f, '<module name="', AModule.Name, '">');
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if not UpdateMode then
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begin
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WriteLn(f, '<short></short>');
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WriteLn(f, '<descr>');
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WriteLn(f, '</descr>');
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end;
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Try
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For I:=0 to List.Count-1 do
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begin
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P:=List.Objects[i] as TNodePair;
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If (P.Element<>AModule) then
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WriteElement(F,P.Element,P.DocNode);
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end;
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Finally
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WriteLn(f, '');
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WriteLn(f, '</module> <!-- ', AModule.Name, ' -->');
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WriteLn(f, '');
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end;
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end;
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Procedure TSkelEngine.DocumentFile(Var F : Text; Const AFileName,ATarget,ACPU : String);
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Var
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Module : TPasModule;
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I : Integer;
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N : TDocNode;
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begin
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if not(FileExists(AFileName)) then
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raise Exception.CreateFmt('Cannot find source file %s to document.',[AFileName]);
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FNodeList:=TStringList.Create;
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Try
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FEmittedList:=TStringList.Create;
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FEmittedList.Sorted:=True;
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try
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Module:=ParseSource(Self,AFileName,ATarget,ACPU);
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If UpdateMode then
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begin
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N:=FindDocNode(Module);
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If Assigned(N) then
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N.IncRefCount;
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end;
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If SortNodes then
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FNodelist.Sorted:=True;
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WriteNodes(F,Module,FNodeList);
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If UpdateMode then
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WriteUnReferencedNodes;
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Finally
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FEmittedList.Free;
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end;
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Finally
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For I:=0 to FNodeList.Count-1 do
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FNodeList.Objects[i].Free;
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FNodeList.Free;
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end;
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end;
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{ ---------------------------------------------------------------------
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Main program. Document all units.
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---------------------------------------------------------------------}
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Function DocumentPackage(Const APackageName,AOutputName : String; InputFiles,DescrFiles : TStrings) : String;
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Var
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F : Text;
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I,J : Integer;
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Engine: TSkelEngine;
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begin
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Result:='';
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Assign(f, AOutputName);
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Rewrite(f);
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Try
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WriteLn(f, '<?xml version="1.0" encoding="ISO-8859-1"?>');
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WriteLn(f, '<fpdoc-descriptions>');
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WriteLn(f, '<package name="', APackageName, '">');
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Try
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I:=0;
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While (Result='') And (I<InputFiles.Count) do
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begin
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Engine := TSkelEngine.Create;
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Try
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Engine.SetPackageName(APackageName);
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if UpdateMode then
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For J:=0 to DescrFiles.Count-1 do
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Engine.AddDocFile(DescrFiles[J]);
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Try
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Engine.DocumentFile(F,InputFiles[I],OSTarget,CPUTarget);
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except
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on E:Exception do
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begin
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WriteLn('Error while documenting: '+E.message);
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Result:='Error while documenting: '+E.message;
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end;
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end;
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Finally
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Engine.Free;
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end;
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Inc(I);
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end;
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Finally
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WriteLn(f, '</package>');
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WriteLn(f, '</fpdoc-descriptions>');
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end;
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finally
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Close(f);
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end;
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end;
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{ ---------------------------------------------------------------------
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Option management
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---------------------------------------------------------------------}
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var
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InputFiles,
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DescrFiles : TStringList;
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DocLang : String;
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PackageName,
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OutputName: String;
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procedure InitOptions;
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begin
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InputFiles := TStringList.Create;
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DescrFiles := TStringList.Create;
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end;
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procedure FreeOptions;
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begin
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DescrFiles.Free;
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InputFiles.Free;
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end;
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procedure ParseOption(const s: String);
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procedure AddToFileList(List: TStringList; const FileName: String);
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var
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f: Text;
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s: String;
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begin
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if Copy(FileName, 1, 1) = '@' then
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begin
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Assign(f, Copy(FileName, 2, Length(FileName)));
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Reset(f);
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while not EOF(f) do
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begin
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ReadLn(f, s);
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List.Add(s);
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end;
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Close(f);
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end else
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List.Add(FileName);
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end;
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var
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i: Integer;
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Cmd, Arg: String;
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begin
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if (s = '-h') or (s = '--help') then
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CmdLineAction := actionHelp
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else if s = '--update' then
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UpdateMode := True
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else if s = '--disable-arguments' then
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DisableArguments := True
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else if s = '--disable-errors' then
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DisableErrors := True
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else if s = '--disable-function-results' then
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DisableFunctionResults := True
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else if s = '--disable-seealso' then
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DisableSeealso := True
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else if s = '--disable-private' then
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DisablePrivate := True
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else if s = '--disable-override' then
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DisableOverride := True
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else if s = '--disable-protected' then
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begin
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DisableProtected := True;
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DisablePrivate :=True;
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end
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else if (s = '--emitclassseparator') or (s='--emit-class-separator') then
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EmitClassSeparator := True
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else if (s = '--emit-declaration') then
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WriteDeclaration := True
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else if (s = '--sort-nodes') then
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SortNodes := True
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else
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begin
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i := Pos('=', s);
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if i > 0 then
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begin
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Cmd := Copy(s, 1, i - 1);
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Arg := Copy(s, i + 1, Length(s));
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end else
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begin
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Cmd := s;
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SetLength(Arg, 0);
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end;
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if (Cmd = '-i') or (Cmd = '--input') then
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AddToFileList(InputFiles, Arg)
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else if (Cmd = '-l') or (Cmd = '--lang') then
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DocLang := Arg
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else if (Cmd = '-o') or (Cmd = '--output') then
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OutputName := Arg
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else if Cmd = '--package' then
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PackageName := Arg
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else if Cmd = '--descr' then
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begin
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if FileExists(Arg) then
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DescrFiles.Add(Arg);
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end
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else
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WriteLn(StdErr, Format(SCmdLineInvalidOption, [s]));
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end;
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end;
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Function ParseCommandLine : Integer;
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Const
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{$IFDEF Unix}
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MoFileTemplate = '/usr/local/share/locale/%s/LC_MESSAGES/makeskel.mo';
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{$ELSE}
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MoFileTemplate ='intl/makeskel.%s.mo';
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{$ENDIF}
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var
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MOFilename: string;
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i: Integer;
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begin
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Result:=0;
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DocLang:='';
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for i := 1 to ParamCount do
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ParseOption(ParamStr(i));
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If (DocLang<>'') then
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begin
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MOFilename:=Format(MOFileTemplate,[DocLang]);
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if FileExists(MOFilename) then
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gettext.TranslateResourceStrings(MoFileName)
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else
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writeln('NOTE: unable to find tranlation file ',MOFilename);
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// Translate internal documentation strings
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TranslateDocStrings(DocLang);
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end;
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// Action is to create the XML skeleton
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if (Length(PackageName) = 0) and (CmdLineAction<>ActionHelp) then
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begin
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WriteLn(SNoPackageNameProvided);
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Result:=2;
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end;
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if DescrFiles.IndexOf(OutputName)<>-1 then
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begin
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Writeln(SOutputMustNotBeDescr);
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Result:=3;
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end;
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end;
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{ ---------------------------------------------------------------------
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Usage
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---------------------------------------------------------------------}
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Procedure Usage;
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begin
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Writeln('Usage : ',ExtractFileName(Paramstr(0)),' [options]');
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Writeln('Where [options] is one or more of :');
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Writeln(' --descr=filename Filename for update.');
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Writeln(' --disable-arguments Do not create nodes for function arguments.');
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Writeln(' --disable-errors Do not create errors node.');
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Writeln(' --disable-function-results');
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Writeln(' Do not create nodes for function arguments.');
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Writeln(' --disable-override Do not create nodes for override methods.');
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Writeln(' --disable-private Do not create nodes for class private fields.');
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Writeln(' --disable-protected Do not create nodes for class protected fields.');
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Writeln(' --disable-seealso Do not create seealso node.');
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Writeln(' --emit-class-separator');
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Writeln(' Emit descriptive comment between classes.');
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Writeln(' --emit-declaration Emit declaration for elements.');
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Writeln(' --help Emit help.');
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Writeln(' --input=cmdline Input file to create skeleton for.');
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Writeln(' Use options are as for compiler.');
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Writeln(' --lang=language Use selected language.');
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Writeln(' --output=filename Send output to file.');
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Writeln(' --package=name Specify package name (mandatory).');
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Writeln(' --sort-nodes Sort element nodes (not modules)');
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Writeln(' --update Update mode. Output only missing nodes.');
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end;
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{ ---------------------------------------------------------------------
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Main Program
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---------------------------------------------------------------------}
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Procedure Run;
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var
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E: Integer;
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begin
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WriteLn(STitle);
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WriteLn(Format(SVersion, [FPCVersion, FPCDate]));
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WriteLn(SCopyright1);
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WriteLn(SCopyright2);
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InitOptions;
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Try
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E:=ParseCommandLine;
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If E<>0 then
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Halt(E);
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WriteLn;
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if CmdLineAction = actionHelp then
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Usage
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else
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begin
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DocumentPackage(PackageName,OutputName,InputFiles,DescrFiles);
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WriteLn(SDone);
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end;
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Finally
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FreeOptions;
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end;
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end;
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Begin
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Run;
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end.
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