lazarus/components/codetools/identcompletiontool.pas
mattias 9c8eae8184 started identifier completion
git-svn-id: trunk@3752 -
2002-12-28 21:05:48 +00:00

136 lines
3.4 KiB
ObjectPascal

{
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
Author: Mattias Gaertner
Abstract:
TIdentCompletionTool enhances the TFindDeclarationTool with the ability
to create lists of valid identifiers at a specific code position.
}
unit IdentCompletionTool;
{$mode objfpc}{$H+}
{$ifdef FPC}{$mode objfpc}{$endif}{$H+}
interface
{$I codetools.inc}
// activate for debug:
// mem check
{ $DEFINE MEM_CHECK}
// verbosity
{ $DEFINE CTDEBUG}
uses
{$IFDEF MEM_CHECK}
MemCheck,
{$ENDIF}
Classes, SysUtils, CodeToolsStrConsts, CodeTree, CodeAtom, CustomCodeTool,
SourceLog, KeywordFuncLists, BasicCodeTools, LinkScanner, CodeCache, AVL_Tree,
FindDeclarationTool, PascalParserTool;
type
TIdentCompletionTool = class;
// history, level, alphabetically, compatibility, prefix
TIdentifierCategory = (
icatVar,
icatConst,
icatFunc,
icatType,
icatEnum
);
TIdentifierCategories = set of TIdentifierCategory;
TIdentifierCompatibility = (
icompExact,
icompCompatible,
icompUnknown,
icompIncompatible
);
TIdentifierCompatibilities = set of TIdentifierCompatibility;
TIdentifierListItem = class
private
AVLNode: TAVLTreeNode;
public
Category: TIdentifierCategory;
Compatibility: TIdentifierCompatibility;
HasChilds: boolean;
HistoryIndex: integer;
Identifier: PChar;
Node: TCodeTreeNode;
Tool: TIdentCompletionTool;
end;
TIdentifierList = class
private
FCount: integer;
FPrefix: string;
Items: TAVLTree;
procedure SetPrefix(const AValue: string);
public
constructor Create;
destructor Destroy; override;
procedure Clear;
public
property Count: integer read FCount;
property Prefix: string read FPrefix write SetPrefix;
end;
TIdentCompletionTool = class(TFindDeclarationTool)
public
end;
implementation
{ TIdentifierList }
procedure TIdentifierList.SetPrefix(const AValue: string);
begin
if FPrefix=AValue then exit;
FPrefix:=AValue;
end;
constructor TIdentifierList.Create;
begin
end;
destructor TIdentifierList.Destroy;
begin
inherited Destroy;
end;
procedure TIdentifierList.Clear;
begin
end;
end.