188 lines
5.1 KiB
C++
188 lines
5.1 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: cx_c_pp.cxx,v $
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*
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* $Revision: 1.8 $
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*
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* last change: $Author: hr $ $Date: 2007-11-02 16:49:27 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#include <precomp.h>
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#include "cx_c_pp.hxx"
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// NOT FULLY DECLARED SERVICES
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#include "c_dealer.hxx"
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#include <tokens/parseinc.hxx>
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#include <x_parse.hxx>
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#include "all_toks.hxx"
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namespace cpp
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{
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Context_Preprocessor::Context_Preprocessor( TkpContext & i_rFollowUpContext )
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: Cx_Base(&i_rFollowUpContext),
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pContext_Parent(&i_rFollowUpContext),
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pContext_PP_MacroParams( 0 ),
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pContext_PP_Definition( new Context_PP_Definition(i_rFollowUpContext) )
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{
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pContext_PP_MacroParams = new Context_PP_MacroParams(*pContext_PP_Definition);
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}
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void
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Context_Preprocessor::ReadCharChain( CharacterSource & io_rText )
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{
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jumpOverWhite( io_rText );
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jumpToWhite( io_rText );
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const char * sPP_Keyword = io_rText.CutToken();
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if ( strcmp(sPP_Keyword, "define") == 0 )
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ReadDefine(io_rText);
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else
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ReadDefault(io_rText);
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}
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void
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Context_Preprocessor::AssignDealer( Distributor & o_rDealer )
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{
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Cx_Base::AssignDealer(o_rDealer);
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pContext_PP_MacroParams->AssignDealer(o_rDealer);
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pContext_PP_Definition->AssignDealer(o_rDealer);
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}
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void
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Context_Preprocessor::ReadDefault( CharacterSource & io_rText )
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{
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int o_rCount_BackslashedLineBreaks = 0;
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jumpToEol(io_rText,o_rCount_BackslashedLineBreaks);
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for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks )
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Dealer().Deal_Eol();
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if (io_rText.CurChar() != NULCH)
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jumpOverEol(io_rText);
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io_rText.CutToken();
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Dealer().Deal_Eol();
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SetNewToken(0);
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SetFollowUpContext( pContext_Parent );
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}
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void
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Context_Preprocessor::ReadDefine( CharacterSource & io_rText )
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{
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jumpOverWhite( io_rText );
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io_rText.CutToken();
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char cNext = '\0';
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for ( cNext = io_rText.CurChar();
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static_cast<UINT8>(cNext) > 32 AND cNext != '(';
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cNext = io_rText.MoveOn() )
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{ }
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bool bMacro = cNext == '(';
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if ( NOT bMacro )
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{
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SetNewToken( new Tok_DefineName(io_rText.CutToken()) );
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SetFollowUpContext( pContext_PP_Definition.Ptr() );
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}
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else
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{
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SetNewToken( new Tok_MacroName(io_rText.CutToken()) );
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io_rText.MoveOn();
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io_rText.CutToken();
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SetFollowUpContext( pContext_PP_MacroParams.Ptr() );
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}
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}
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Context_PP_MacroParams::Context_PP_MacroParams( Cx_Base & i_rFollowUpContext )
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: Cx_Base(&i_rFollowUpContext),
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pContext_PP_Definition(&i_rFollowUpContext)
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{
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}
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void
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Context_PP_MacroParams::ReadCharChain( CharacterSource & io_rText )
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{
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uintt nLen;
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jumpOverWhite( io_rText );
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// KORR_FUTURE Handling line breaks within macro parameters:
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char cSeparator = jumpTo( io_rText, ',', ')' );
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csv_assert( cSeparator != 0 );
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static char cBuf[500];
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// KORR_FUTURE, make it still safer, here:
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strcpy( cBuf, io_rText.CutToken() ); // SAFE STRCPY (#100211# - checked)
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for ( nLen = strlen(cBuf);
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nLen > 0 AND cBuf[nLen-1] < 33;
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--nLen )
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{ }
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cBuf[nLen] = '\0';
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SetNewToken( new Tok_MacroParameter(cBuf) );
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io_rText.MoveOn();
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io_rText.CutToken();
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if ( cSeparator == ',')
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SetFollowUpContext( this );
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else // Must be ')'
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SetFollowUpContext( pContext_PP_Definition );
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}
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Context_PP_Definition::Context_PP_Definition( TkpContext & i_rFollowUpContext )
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: Cx_Base(&i_rFollowUpContext),
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pContext_Parent(&i_rFollowUpContext)
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{
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}
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void
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Context_PP_Definition::ReadCharChain( CharacterSource & io_rText )
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{
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int o_rCount_BackslashedLineBreaks = 0;
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jumpToEol(io_rText,o_rCount_BackslashedLineBreaks);
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for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks )
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Dealer().Deal_Eol();
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SetNewToken( new Tok_PreProDefinition(io_rText.CutToken()) );
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if (io_rText.CurChar() != NULCH)
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jumpOverEol(io_rText);
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Dealer().Deal_Eol();
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}
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} // namespace cpp
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