mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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112 lines
3.8 KiB
ObjectPascal
112 lines
3.8 KiB
ObjectPascal
{
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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Author: Mattias Gaertner
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Abstract:
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Simple demonstration, how to setup the codetools to insert a simple
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Pascal statement to initialize a variable.
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}
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program initvariable;
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{$mode objfpc}{$H+}
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uses
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Classes, SysUtils, contnrs, CodeCache, CodeToolManager, DefineTemplates,
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FileProcs, CodeToolsConfig, CodeToolsStructs, CodeCompletionTool,
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StdCodeTools, initvars1;
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const
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ConfigFilename = 'codetools.config';
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var
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Code: TCodeBuffer;
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X: Integer;
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Y: Integer;
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Filename: String;
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Statements: TStrings;
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InsertPositions: TObjectList;
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InsertPosDesc: TInsertStatementPosDescription;
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i: Integer;
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begin
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if (ParamCount>=1) and (Paramcount<>3) then begin
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writeln('Usage:');
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writeln(' ',ParamStr(0));
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writeln(' ',ParamStr(0),' <filename> <X> <Y>');
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end;
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try
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CodeToolBoss.SimpleInit(ConfigFilename);
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X:=15;
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Y:=21;
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Filename:=ExpandFileName('scanexamples'+PathDelim+'initvars1.pas');
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if (ParamCount>=3) then begin
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Filename:=ExpandFileName(ParamStr(1));
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X:=StrToInt(ParamStr(2));
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Y:=StrToInt(ParamStr(3));
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end;
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// Step 1: load the file
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Code:=CodeToolBoss.LoadFile(Filename,false,false);
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if Code=nil then
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raise Exception.Create('loading failed '+Filename);
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// get possible initializations
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Statements:=nil;
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InsertPositions:=nil;
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try
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if not CodeToolBoss.GetPossibleInitsForVariable(Code,X,Y,Statements,
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InsertPositions)
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then begin
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writeln('CodeToolBoss.GetPossibleInitsForVariable failed');
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exit;
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end;
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writeln('Possible initialization statements:');
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writeln(Statements.Text);
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writeln('Possible initialization positions:');
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for i:=0 to InsertPositions.Count-1 do begin
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InsertPosDesc:=TInsertStatementPosDescription(InsertPositions[i]);
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with InsertPosDesc do begin
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writeln(CodeXYPos.Code.Filename,'(',CodeXYPos.Y,',',CodeXYPos.X,'): ',Description);
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end;
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end;
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// insert the first statement at the first position
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InsertPosDesc:=TInsertStatementPosDescription(InsertPositions[0]);
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if not CodeToolBoss.InsertStatements(InsertPosDesc,Statements[0]) then begin
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writeln('CodeToolBoss.InsertStatements failed');
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exit;
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end;
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writeln('New source (not saved to disk):');
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writeln(Code.Source);
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finally
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Statements.Free;
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InsertPositions.Free;
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end;
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except
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on E: Exception do begin
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writeln('EXCEPTION: '+E.Message);
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end;
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end;
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end.
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