96 lines
3.9 KiB
C++
96 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <basic/sbxdef.hxx>
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#include <comphelper/errcode.hxx>
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// The scanner is stand-alone, i. e. it can be used from everywhere.
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// A BASIC-instance is necessary for error messages. Without BASIC
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// the errors are only counted. Also the BASIC is necessary when an
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// advanced SBX-variable shall be used for data type recognition etc.
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class StarBASIC;
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class SbiScanner
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{
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OUString aBuf; // input buffer
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OUString aLine;
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OUString aSaveLine;
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sal_Int32 nLineIdx;
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sal_Int32 nSaveLineIdx;
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StarBASIC* pBasic; // instance for error callbacks
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void scanAlphanumeric();
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void scanGoto();
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bool readLine();
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protected:
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OUString aSym;
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OUString aError;
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SbxDataType eScanType;
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double nVal; // numeric value
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sal_Int32 nSavedCol1;
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sal_Int32 nCol;
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sal_Int32 nErrors;
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sal_Int32 nColLock; // lock counter for Col1
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sal_Int32 nBufPos;
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sal_Int32 nLine;
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sal_Int32 nCol1, nCol2;
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bool bSymbol; // true: symbol scanned
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bool bNumber; // true: number scanned
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bool bSpaces; // true: whitespace before token
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bool bAbort;
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bool bHash; // true: # has been read in
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bool bError; // true: generate error
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bool bCompatible; // true: OPTION compatible
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bool bVBASupportOn; // true: OPTION VBASupport 1 otherwise default False
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bool bPrevLineExtentsComment; // true: Previous line is comment and ends on "... _"
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bool bClosingUnderscore; // true: Closing underscore followed by end of line
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bool bLineEndsWithWhitespace; // true: Line ends with whitespace (BasicCharClass::isWhitespace)
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bool bInStatement;
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void GenError( ErrCode );
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public:
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SbiScanner( OUString , StarBASIC* = nullptr );
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void EnableErrors() { bError = false; }
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bool IsHash() const { return bHash; }
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bool IsCompatible() const { return bCompatible; }
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void SetCompatible( bool b ) { bCompatible = b; } // #118206
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bool IsVBASupportOn() const { return bVBASupportOn; }
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bool WhiteSpace() const { return bSpaces; }
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sal_Int32 GetErrors() const { return nErrors; }
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sal_Int32 GetLine() const { return nLine; }
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sal_Int32 GetCol1() const { return nCol1; }
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void SetCol1( sal_Int32 n ) { nCol1 = n; }
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StarBASIC* GetBasic() { return pBasic; }
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void SaveLine() { aSaveLine = aLine; nSaveLineIdx = nLineIdx; }
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void RestoreLine() { nLineIdx = nSaveLineIdx; aLine = aSaveLine; }
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void LockColumn();
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void UnlockColumn();
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bool DoesColonFollow();
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bool NextSym();
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const OUString& GetSym() const { return aSym; }
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SbxDataType GetType() const { return eScanType; }
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double GetDbl() const { return nVal; }
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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