diff options
Diffstat (limited to 'basic/source/comp/codegen.cxx')
| -rw-r--r-- | basic/source/comp/codegen.cxx | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/basic/source/comp/codegen.cxx b/basic/source/comp/codegen.cxx new file mode 100644 index 000000000000..a81b0c02422d --- /dev/null +++ b/basic/source/comp/codegen.cxx @@ -0,0 +1,241 @@ +/************************************************************************* + * + * $RCSfile: codegen.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:12:10 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (the "License"); You may not use this file + * except in compliance with the License. You may obtain a copy of the + * License at http://www.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#include <svtools/sbx.hxx> +#include "sbcomp.hxx" +#pragma hdrstop +#include "image.hxx" + +#include "segmentc.hxx" +#pragma SW_SEGMENT_CLASS( SBCOMP, SBCOMP_CODE ) + +// nInc ist die Inkrementgroesse der Puffer + +SbiCodeGen::SbiCodeGen( SbModule& r, SbiParser* p, short nInc ) + : rMod( r ), aCode( p, nInc ) +{ + pParser = p; + bStmnt = FALSE; + nLine = 0; + nCol = 0; + nForLevel = 0; +} + +USHORT SbiCodeGen::GetPC() +{ + return aCode.GetSize(); +} + +// Statement merken + +void SbiCodeGen::Statement() +{ + bStmnt = TRUE; + + nLine = pParser->GetLine(); + nCol = pParser->GetCol1(); + + // #29955 Information der for-Schleifen-Ebene + // in oberen Byte der Spalte speichern + nCol = (nCol & 0xff) + 0x100 * nForLevel; +} + +// Anfang eines Statements markieren + +void SbiCodeGen::GenStmnt() +{ + if( bStmnt ) + { + bStmnt = FALSE; + Gen( _STMNT, nLine, nCol ); + } +} + +// Die Gen-Routinen returnen den Offset des 1. Operanden, +// damit Jumps dort ihr Backchain versenken koennen + +USHORT SbiCodeGen::Gen( SbiOpcode eOpcode ) +{ +#ifndef PRODUCT + if( eOpcode < SbOP0_START || eOpcode > SbOP0_END ) + pParser->Error( SbERR_INTERNAL_ERROR, "OPCODE1" ); +#endif + GenStmnt(); + aCode += (UINT8) eOpcode; + return GetPC(); +} + +USHORT SbiCodeGen::Gen( SbiOpcode eOpcode, UINT16 nOpnd ) +{ +#ifndef PRODUCT + if( eOpcode < SbOP1_START || eOpcode > SbOP1_END ) + pParser->Error( SbERR_INTERNAL_ERROR, "OPCODE2" ); +#endif + GenStmnt(); + aCode += (UINT8) eOpcode; + USHORT n = GetPC(); + aCode += nOpnd; + return n; +} + +USHORT SbiCodeGen::Gen( SbiOpcode eOpcode, UINT16 nOpnd1, UINT16 nOpnd2 ) +{ +#ifndef PRODUCT + if( eOpcode < SbOP2_START || eOpcode > SbOP2_END ) + pParser->Error( SbERR_INTERNAL_ERROR, "OPCODE3" ); +#endif + GenStmnt(); + aCode += (UINT8) eOpcode; + USHORT n = GetPC(); + aCode += nOpnd1; + aCode += nOpnd2; + return n; +} + +// Abspeichern des erzeugten Images im Modul + +void SbiCodeGen::Save() +{ + SbiImage* p = new SbiImage; + if( !p ) + { + SbERR_NO_MEMORY; return; + } + rMod.StartDefinitions(); + // OPTION BASE-Wert: + p->nDimBase = pParser->nBase; + // OPTION EXPLICIT-Flag uebernehmen + if( pParser->bExplicit ) + p->SetFlag( SBIMG_EXPLICIT ); + if( pParser->bText ) + p->SetFlag( SBIMG_COMPARETEXT ); + // GlobalCode-Flag + if( pParser->HasGlobalCode() ) + p->SetFlag( SBIMG_INITCODE ); + // Die Entrypoints: + for( SbiSymDef* pDef = pParser->aPublics.First(); pDef; + pDef = pParser->aPublics.Next() ) + { + SbiProcDef* pProc = pDef->GetProcDef(); + if( pProc && pProc->IsPublic() && pProc->IsDefined() ) + { + SbMethod* pMeth = rMod.GetMethod( pProc->GetName(), pProc->GetType() ); + pMeth->nStart = pProc->GetAddr(); + pMeth->nLine1 = pProc->GetLine1(); + pMeth->nLine2 = pProc->GetLine2(); + // Die Parameter: + SbxInfo* pInfo = pMeth->GetInfo(); + String aHelpFile, aComment; + ULONG nHelpId = 0; + if( pInfo ) + { + // Die Zusatzdaten retten + aHelpFile = pInfo->GetHelpFile(); + aComment = pInfo->GetComment(); + nHelpId = pInfo->GetHelpId(); + } + // Und die Parameterliste neu aufbauen + pInfo = new SbxInfo( aHelpFile, nHelpId ); + pInfo->SetComment( aComment ); + SbiSymPool* pPool = &pProc->GetParams(); + // Das erste Element ist immer der Funktionswert! + for( USHORT i = 1; i < pPool->GetSize(); i++ ) + { + SbiSymDef* pPar = pPool->Get( i ); + SbxDataType t = pPar->GetType(); + if( !pPar->IsByVal() ) + t = (SbxDataType) ( t | SbxBYREF ); + if( pPar->GetDims() ) + t = (SbxDataType) ( t | SbxARRAY ); + // #33677 Optional-Info durchreichen + USHORT nFlags = SBX_READ; + if( pPar->IsOptional() ) + nFlags |= SBX_OPTIONAL; + pInfo->AddParam( pPar->GetName(), t, nFlags ); + } + pMeth->SetInfo( pInfo ); + } + } + // Der Code + p->AddCode( aCode.GetBuffer(), aCode.GetSize() ); + + // Der globale StringPool. 0 ist nicht belegt. + SbiStringPool* pPool = &pParser->aGblStrings; + USHORT nSize = pPool->GetSize(); + p->MakeStrings( nSize ); + USHORT i; + for( i = 1; i <= nSize; i++ ) + p->AddString( pPool->Find( i ) ); + + // Typen einfuegen + + USHORT nCount = pParser->rTypeArray->Count(); + for (i = 0; i < nCount; i++) + p->AddType((SbxObject *)pParser->rTypeArray->Get(i)); + + if( !p->IsError() ) + rMod.pImage = p; + else + delete p; + + rMod.EndDefinitions(); +} + |