Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 874 insertions, 0 deletions

diff --git a/basic/source/comp/parser.cxx b/basic/source/comp/parser.cxx
new file mode 100644
index 000000000..d26f4de63
--- /dev/null
+++ b/basic/source/comp/parser.cxx
@@ -0,0 +1,874 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <basic/sberrors.hxx>
+#include <basic/sbxmeth.hxx>
+#include <basic/sbmod.hxx>
+#include <basic/sbstar.hxx>
+#include <basic/sbx.hxx>
+#include <parser.hxx>
+#include <com/sun/star/script/ModuleType.hpp>
+#include <rtl/character.hxx>
+
+struct SbiParseStack {              // "Stack" for statement-blocks
+    SbiParseStack* pNext;           // Chain
+    SbiExprNode* pWithVar;
+    SbiToken eExitTok;
+    sal_uInt32  nChain;                 // JUMP-Chain
+};
+
+namespace {
+
+struct SbiStatement {
+    SbiToken eTok;
+    void( SbiParser::*Func )();
+    bool  bMain;                    // true: OK outside the SUB
+    bool  bSubr;                    // true: OK inside the SUB
+};
+
+}
+
+#define Y   true
+#define N   false
+
+static const SbiStatement StmntTable [] = {
+{ ATTRIBUTE, &SbiParser::Attribute, Y, Y, }, // ATTRIBUTE
+{ CALL,     &SbiParser::Call,       N, Y, }, // CALL
+{ CLOSE,    &SbiParser::Close,      N, Y, }, // CLOSE
+{ CONST_,   &SbiParser::Dim,        Y, Y, }, // CONST
+{ DECLARE,  &SbiParser::Declare,    Y, N, }, // DECLARE
+{ DEFBOOL,  &SbiParser::DefXXX,     Y, N, }, // DEFBOOL
+{ DEFCUR,   &SbiParser::DefXXX,     Y, N, }, // DEFCUR
+{ DEFDATE,  &SbiParser::DefXXX,     Y, N, }, // DEFDATE
+{ DEFDBL,   &SbiParser::DefXXX,     Y, N, }, // DEFDBL
+{ DEFERR,   &SbiParser::DefXXX,     Y, N, }, // DEFERR
+{ DEFINT,   &SbiParser::DefXXX,     Y, N, }, // DEFINT
+{ DEFLNG,   &SbiParser::DefXXX,     Y, N, }, // DEFLNG
+{ DEFOBJ,   &SbiParser::DefXXX,     Y, N, }, // DEFOBJ
+{ DEFSNG,   &SbiParser::DefXXX,     Y, N, }, // DEFSNG
+{ DEFSTR,   &SbiParser::DefXXX,     Y, N, }, // DEFSTR
+{ DEFVAR,   &SbiParser::DefXXX,     Y, N, }, // DEFVAR
+{ DIM,      &SbiParser::Dim,        Y, Y, }, // DIM
+{ DO,       &SbiParser::DoLoop,     N, Y, }, // DO
+{ ELSE,     &SbiParser::NoIf,       N, Y, }, // ELSE
+{ ELSEIF,   &SbiParser::NoIf,       N, Y, }, // ELSEIF
+{ ENDIF,    &SbiParser::NoIf,       N, Y, }, // ENDIF
+{ END,      &SbiParser::Stop,       N, Y, }, // END
+{ ENUM,     &SbiParser::Enum,       Y, N, }, // TYPE
+{ ERASE,    &SbiParser::Erase,      N, Y, }, // ERASE
+{ ERROR_,   &SbiParser::ErrorStmnt, N, Y, }, // ERROR
+{ EXIT,     &SbiParser::Exit,       N, Y, }, // EXIT
+{ FOR,      &SbiParser::For,        N, Y, }, // FOR
+{ FUNCTION, &SbiParser::SubFunc,    Y, N, }, // FUNCTION
+{ GOSUB,    &SbiParser::Goto,       N, Y, }, // GOSUB
+{ GLOBAL,   &SbiParser::Dim,        Y, N, }, // GLOBAL
+{ GOTO,     &SbiParser::Goto,       N, Y, }, // GOTO
+{ IF,       &SbiParser::If,         N, Y, }, // IF
+{ IMPLEMENTS, &SbiParser::Implements, Y, N, }, // IMPLEMENTS
+{ INPUT,    &SbiParser::Input,      N, Y, }, // INPUT
+{ LET,      &SbiParser::Assign,     N, Y, }, // LET
+{ LINE,     &SbiParser::Line,       N, Y, }, // LINE, -> LINE INPUT (#i92642)
+{ LINEINPUT,&SbiParser::LineInput,  N, Y, }, // LINE INPUT
+{ LOOP,     &SbiParser::BadBlock,   N, Y, }, // LOOP
+{ LSET,     &SbiParser::LSet,       N, Y, }, // LSET
+{ NAME,     &SbiParser::Name,       N, Y, }, // NAME
+{ NEXT,     &SbiParser::BadBlock,   N, Y, }, // NEXT
+{ ON,       &SbiParser::On,         N, Y, }, // ON
+{ OPEN,     &SbiParser::Open,       N, Y, }, // OPEN
+{ OPTION,   &SbiParser::Option,     Y, N, }, // OPTION
+{ PRINT,    &SbiParser::Print,      N, Y, }, // PRINT
+{ PRIVATE,  &SbiParser::Dim,        Y, N, }, // PRIVATE
+{ PROPERTY, &SbiParser::SubFunc,    Y, N, }, // FUNCTION
+{ PUBLIC,   &SbiParser::Dim,        Y, N, }, // PUBLIC
+{ REDIM,    &SbiParser::ReDim,      N, Y, }, // DIM
+{ RESUME,   &SbiParser::Resume,     N, Y, }, // RESUME
+{ RETURN,   &SbiParser::Return,     N, Y, }, // RETURN
+{ RSET,     &SbiParser::RSet,       N, Y, }, // RSET
+{ SELECT,   &SbiParser::Select,     N, Y, }, // SELECT
+{ SET,      &SbiParser::Set,        N, Y, }, // SET
+{ STATIC,   &SbiParser::Static,     Y, Y, }, // STATIC
+{ STOP,     &SbiParser::Stop,       N, Y, }, // STOP
+{ SUB,      &SbiParser::SubFunc,    Y, N, }, // SUB
+{ TYPE,     &SbiParser::Type,       Y, N, }, // TYPE
+{ UNTIL,    &SbiParser::BadBlock,   N, Y, }, // UNTIL
+{ WHILE,    &SbiParser::While,      N, Y, }, // WHILE
+{ WEND,     &SbiParser::BadBlock,   N, Y, }, // WEND
+{ WITH,     &SbiParser::With,       N, Y, }, // WITH
+{ WRITE,    &SbiParser::Write,      N, Y, }, // WRITE
+
+{ NIL, nullptr, N, N }
+};
+
+
+SbiParser::SbiParser( StarBASIC* pb, SbModule* pm )
+        : SbiTokenizer( pm->GetSource32(), pb ),
+          aGlobals( aGblStrings, SbGLOBAL, this ),
+          aPublics( aGblStrings, SbPUBLIC, this ),
+          aRtlSyms( aGblStrings, SbRTL, this ),
+          aGen( *pm, this, 1024 )
+{
+    eEndTok  = NIL;
+    pProc    = nullptr;
+    pStack   = nullptr;
+    pWithVar = nullptr;
+    nBase    = 0;
+    bGblDefs =
+    bNewGblDefs =
+    bSingleLineIf =
+    bCodeCompleting =
+    bExplicit = false;
+    bClassModule = ( pm->GetModuleType() == css::script::ModuleType::CLASS );
+    pPool    = &aPublics;
+    for(SbxDataType & eDefType : eDefTypes)
+        eDefType = SbxVARIANT;    // no explicit default type
+
+    aPublics.SetParent( &aGlobals );
+    aGlobals.SetParent( &aRtlSyms );
+
+
+    nGblChain = aGen.Gen( SbiOpcode::JUMP_, 0 );
+
+    rTypeArray = new SbxArray; // array for user defined types
+    rEnumArray = new SbxArray; // array for Enum types
+    bVBASupportOn = pm->IsVBACompat();
+    if ( bVBASupportOn )
+        EnableCompatibility();
+
+}
+
+SbiParser::~SbiParser() { }
+
+// part of the runtime-library?
+SbiSymDef* SbiParser::CheckRTLForSym(const OUString& rSym, SbxDataType eType)
+{
+    SbxVariable* pVar = GetBasic()->GetRtl()->Find(rSym, SbxClassType::DontCare);
+    if (!pVar)
+        return nullptr;
+
+    if (SbxMethod* pMethod = dynamic_cast<SbxMethod*>(pVar))
+    {
+        SbiProcDef* pProc_ = aRtlSyms.AddProc( rSym );
+        if (pMethod->IsRuntimeFunction())
+        {
+            pProc_->SetType( pMethod->GetRuntimeFunctionReturnType() );
+        }
+        else
+        {
+            pProc_->SetType( pVar->GetType() );
+        }
+        return pProc_;
+    }
+
+
+    SbiSymDef* pDef = aRtlSyms.AddSym(rSym);
+    pDef->SetType(eType);
+    return pDef;
+}
+
+// close global chain
+
+bool SbiParser::HasGlobalCode()
+{
+    if( bGblDefs && nGblChain )
+    {
+        aGen.BackChain( nGblChain );
+        aGen.Gen( SbiOpcode::LEAVE_ );
+        nGblChain = 0;
+    }
+    return bGblDefs;
+}
+
+void SbiParser::OpenBlock( SbiToken eTok, SbiExprNode* pVar )
+{
+    SbiParseStack* p = new SbiParseStack;
+    p->eExitTok = eTok;
+    p->nChain   = 0;
+    p->pWithVar = pWithVar;
+    p->pNext    = pStack;
+    pStack      = p;
+    pWithVar    = pVar;
+
+    // #29955 service the for-loop level
+    if( eTok == FOR )
+        aGen.IncForLevel();
+}
+
+void SbiParser::CloseBlock()
+{
+    if( !pStack )
+        return;
+
+    SbiParseStack* p = pStack;
+
+    // #29955 service the for-loop level
+    if( p->eExitTok == FOR )
+        aGen.DecForLevel();
+
+    aGen.BackChain( p->nChain );
+    pStack = p->pNext;
+    pWithVar = p->pWithVar;
+    delete p;
+}
+
+// EXIT ...
+
+void SbiParser::Exit()
+{
+    SbiToken eTok = Next();
+    for( SbiParseStack* p = pStack; p; p = p->pNext )
+    {
+        SbiToken eExitTok = p->eExitTok;
+        if( eTok == eExitTok ||
+            (eTok == PROPERTY && (eExitTok == GET || eExitTok == LET) ) )   // #i109051
+        {
+            p->nChain = aGen.Gen( SbiOpcode::JUMP_, p->nChain );
+            return;
+        }
+    }
+    if( pStack )
+        Error( ERRCODE_BASIC_EXPECTED, pStack->eExitTok );
+    else
+        Error( ERRCODE_BASIC_BAD_EXIT );
+}
+
+bool SbiParser::TestSymbol()
+{
+    Peek();
+    if( eCurTok == SYMBOL )
+    {
+        Next(); return true;
+    }
+    Error( ERRCODE_BASIC_SYMBOL_EXPECTED );
+    return false;
+}
+
+
+bool SbiParser::TestToken( SbiToken t )
+{
+    if( Peek() == t )
+    {
+        Next(); return true;
+    }
+    else
+    {
+        Error( ERRCODE_BASIC_EXPECTED, t );
+        return false;
+    }
+}
+
+
+bool SbiParser::TestComma()
+{
+    SbiToken eTok = Peek();
+    if( IsEoln( eTok ) )
+    {
+        Next();
+        return false;
+    }
+    else if( eTok != COMMA )
+    {
+        Error( ERRCODE_BASIC_EXPECTED, COMMA );
+        return false;
+    }
+    Next();
+    return true;
+}
+
+
+void SbiParser::TestEoln()
+{
+    if( !IsEoln( Next() ) )
+    {
+        Error( ERRCODE_BASIC_EXPECTED, EOLN );
+        while( !IsEoln( Next() ) ) {}
+    }
+}
+
+
+void SbiParser::StmntBlock( SbiToken eEnd )
+{
+    SbiToken xe = eEndTok;
+    eEndTok = eEnd;
+    while( !bAbort && Parse() ) {}
+    eEndTok = xe;
+    if( IsEof() )
+    {
+        Error( ERRCODE_BASIC_BAD_BLOCK, eEnd );
+        bAbort = true;
+    }
+}
+
+void SbiParser::SetCodeCompleting( bool b )
+{
+    bCodeCompleting = b;
+}
+
+
+bool SbiParser::Parse()
+{
+    if( bAbort ) return false;
+
+    EnableErrors();
+
+    bErrorIsSymbol = false;
+    Peek();
+    bErrorIsSymbol = true;
+
+    if( IsEof() )
+    {
+        // AB #33133: If no sub has been created before,
+        // the global chain must be closed here!
+        // AB #40689: Due to the new static-handling there
+        // can be another nGblChain, so ask for it before.
+        if( bNewGblDefs && nGblChain == 0 )
+            nGblChain = aGen.Gen( SbiOpcode::JUMP_, 0 );
+        return false;
+    }
+
+
+    if( IsEoln( eCurTok ) )
+    {
+        Next(); return true;
+    }
+
+    if( !bSingleLineIf && MayBeLabel( true ) )
+    {
+        // is a label
+        if( !pProc )
+            Error( ERRCODE_BASIC_NOT_IN_MAIN, aSym );
+        else
+            pProc->GetLabels().Define( aSym );
+        Next(); Peek();
+
+        if( IsEoln( eCurTok ) )
+        {
+            Next(); return true;
+        }
+    }
+
+    // end of parsing?
+    if( eCurTok == eEndTok ||
+        ( bVBASupportOn &&      // #i109075
+          (eCurTok == ENDFUNC || eCurTok == ENDPROPERTY || eCurTok == ENDSUB) &&
+          (eEndTok == ENDFUNC || eEndTok == ENDPROPERTY || eEndTok == ENDSUB) ) )
+    {
+        Next();
+        if( eCurTok != NIL )
+            aGen.Statement();
+        return false;
+    }
+
+    // comment?
+    if( eCurTok == REM )
+    {
+        Next(); return true;
+    }
+
+    // In vba it's possible to do Error.foobar ( even if it results in
+    // a runtime error
+    if ( eCurTok == ERROR_ && IsVBASupportOn() ) // we probably need to define a subset of keywords where this madness applies e.g. if ( IsVBASupportOn() && SymbolCanBeRedined( eCurTok ) )
+    {
+        SbiTokenizer tokens( *this );
+        tokens.Next();
+        if ( tokens.Peek()  == DOT )
+        {
+            eCurTok = SYMBOL;
+            ePush = eCurTok;
+        }
+    }
+    // if there's a symbol, it's either a variable (LET)
+    // or a SUB-procedure (CALL without brackets)
+    // DOT for assignments in the WITH-block: .A=5
+    if( eCurTok == SYMBOL || eCurTok == DOT )
+    {
+        if( !pProc )
+            Error( ERRCODE_BASIC_EXPECTED, SUB );
+        else
+        {
+            // for correct line and column...
+            Next();
+            Push( eCurTok );
+            aGen.Statement();
+            Symbol(nullptr);
+        }
+    }
+    else
+    {
+        Next();
+
+        // statement parsers
+
+        const SbiStatement* p;
+        for( p = StmntTable; p->eTok != NIL; p++ )
+            if( p->eTok == eCurTok )
+                break;
+        if( p->eTok != NIL )
+        {
+            if( !pProc && !p->bMain )
+                Error( ERRCODE_BASIC_NOT_IN_MAIN, eCurTok );
+            else if( pProc && !p->bSubr )
+                Error( ERRCODE_BASIC_NOT_IN_SUBR, eCurTok );
+            else
+            {
+                // AB #41606/#40689: Due to the new static-handling there
+                // can be another nGblChain, so ask for it before.
+                if( bNewGblDefs && nGblChain == 0 &&
+                    ( eCurTok == SUB || eCurTok == FUNCTION || eCurTok == PROPERTY ) )
+                {
+                    nGblChain = aGen.Gen( SbiOpcode::JUMP_, 0 );
+                    bNewGblDefs = false;
+                }
+                // statement-opcode at the beginning of a sub, too, please
+                if( ( p->bSubr && (eCurTok != STATIC || Peek() == SUB || Peek() == FUNCTION ) ) ||
+                        eCurTok == SUB || eCurTok == FUNCTION )
+                    aGen.Statement();
+                (this->*( p->Func ) )();
+                ErrCode nSbxErr = SbxBase::GetError();
+                if( nSbxErr )
+                {
+                    SbxBase::ResetError();
+                    Error( nSbxErr );
+                }
+            }
+        }
+        else
+            Error( ERRCODE_BASIC_UNEXPECTED, eCurTok );
+    }
+
+    // test for the statement's end -
+    // might also be an ELSE, as there must not necessary be a : before the ELSE!
+
+    if( !IsEos() )
+    {
+        Peek();
+        if( !IsEos() && eCurTok != ELSE )
+        {
+            // if the parsing has been aborted, jump over to the ":"
+            Error( ERRCODE_BASIC_UNEXPECTED, eCurTok );
+            while( !IsEos() ) Next();
+        }
+    }
+    // The parser aborts at the end, the
+    // next token has not been fetched yet!
+    return true;
+}
+
+
+SbiExprNode* SbiParser::GetWithVar()
+{
+    if( pWithVar )
+        return pWithVar;
+
+    SbiParseStack* p = pStack;
+    while( p )
+    {
+        // LoopVar can at the moment only be for with
+        if( p->pWithVar )
+            return p->pWithVar;
+        p = p->pNext;
+    }
+    return nullptr;
+}
+
+
+// assignment or subroutine call
+
+void SbiParser::Symbol( const KeywordSymbolInfo* pKeywordSymbolInfo )
+{
+    SbiExprMode eMode = bVBASupportOn ? EXPRMODE_STANDALONE : EXPRMODE_STANDARD;
+    SbiExpression aVar( this, SbSYMBOL, eMode, pKeywordSymbolInfo );
+
+    bool bEQ = ( Peek() == EQ );
+    if( !bEQ && bVBASupportOn && aVar.IsBracket() )
+        Error( ERRCODE_BASIC_EXPECTED, "=" );
+
+    RecursiveMode eRecMode = ( bEQ ? PREVENT_CALL : FORCE_CALL );
+    bool bSpecialMidHandling = false;
+    SbiSymDef* pDef = aVar.GetRealVar();
+    if( bEQ && pDef && pDef->GetScope() == SbRTL )
+    {
+        OUString aRtlName = pDef->GetName();
+        if( aRtlName.equalsIgnoreAsciiCase("Mid") )
+        {
+            SbiExprNode* pExprNode = aVar.GetExprNode();
+            if( pExprNode && pExprNode->GetNodeType() == SbxVARVAL )
+            {
+                SbiExprList* pPar = pExprNode->GetParameters();
+                short nParCount = pPar ? pPar->GetSize() : 0;
+                if( nParCount == 2 || nParCount == 3 )
+                {
+                    if( nParCount == 2 )
+                        pPar->addExpression( std::make_unique<SbiExpression>( this, -1, SbxLONG ) );
+
+                    TestToken( EQ );
+                    pPar->addExpression( std::make_unique<SbiExpression>( this ) );
+
+                    bSpecialMidHandling = true;
+                }
+            }
+        }
+    }
+    aVar.Gen( eRecMode );
+    if( bSpecialMidHandling )
+        return;
+
+    if( !bEQ )
+    {
+        aGen.Gen( SbiOpcode::GET_ );
+    }
+    else
+    {
+        // so it must be an assignment!
+        if( !aVar.IsLvalue() )
+            Error( ERRCODE_BASIC_LVALUE_EXPECTED );
+        TestToken( EQ );
+        SbiExpression aExpr( this );
+        aExpr.Gen();
+        SbiOpcode eOp = SbiOpcode::PUT_;
+        if( pDef )
+        {
+            if( pDef->GetConstDef() )
+                Error( ERRCODE_BASIC_DUPLICATE_DEF, pDef->GetName() );
+            if( pDef->GetType() == SbxOBJECT )
+            {
+                eOp = SbiOpcode::SET_;
+                if( pDef->GetTypeId() )
+                {
+                    aGen.Gen( SbiOpcode::SETCLASS_, pDef->GetTypeId() );
+                    return;
+                }
+            }
+        }
+        aGen.Gen( eOp );
+    }
+}
+
+
+void SbiParser::Assign()
+{
+    SbiExpression aLvalue( this, SbLVALUE );
+    TestToken( EQ );
+    SbiExpression aExpr( this );
+    aLvalue.Gen();
+    aExpr.Gen();
+    sal_uInt16 nLen = 0;
+    SbiSymDef* pDef = aLvalue.GetRealVar();
+    {
+        if( pDef->GetConstDef() )
+            Error( ERRCODE_BASIC_DUPLICATE_DEF, pDef->GetName() );
+        nLen = aLvalue.GetRealVar()->GetLen();
+    }
+    if( nLen )
+        aGen.Gen( SbiOpcode::PAD_, nLen );
+    aGen.Gen( SbiOpcode::PUT_ );
+}
+
+// assignments of an object-variable
+
+void SbiParser::Set()
+{
+    SbiExpression aLvalue( this, SbLVALUE );
+    SbxDataType eType = aLvalue.GetType();
+    if( eType != SbxOBJECT && eType != SbxEMPTY && eType != SbxVARIANT )
+        Error( ERRCODE_BASIC_INVALID_OBJECT );
+    TestToken( EQ );
+    SbiSymDef* pDef = aLvalue.GetRealVar();
+    if( pDef->GetConstDef() )
+        Error( ERRCODE_BASIC_DUPLICATE_DEF, pDef->GetName() );
+
+    SbiToken eTok = Peek();
+    if( eTok == NEW )
+    {
+        Next();
+        auto pTypeDef = std::make_unique<SbiSymDef>( OUString() );
+        TypeDecl( *pTypeDef, true );
+
+        aLvalue.Gen();
+        aGen.Gen( SbiOpcode::CREATE_, pDef->GetId(), pTypeDef->GetTypeId() );
+        aGen.Gen( SbiOpcode::SETCLASS_, pDef->GetTypeId() );
+    }
+    else
+    {
+        SbiExpression aExpr( this );
+        aLvalue.Gen();
+        aExpr.Gen();
+        // It's a good idea to distinguish between
+        // set something = another &
+        // something = another
+        // ( it's necessary for vba objects where set is object
+        // specific and also doesn't involve processing default params )
+        if( pDef->GetTypeId() )
+        {
+            if ( bVBASupportOn )
+                aGen.Gen( SbiOpcode::VBASETCLASS_, pDef->GetTypeId() );
+            else
+                aGen.Gen( SbiOpcode::SETCLASS_, pDef->GetTypeId() );
+        }
+        else
+        {
+            if ( bVBASupportOn )
+                aGen.Gen( SbiOpcode::VBASET_ );
+            else
+                aGen.Gen( SbiOpcode::SET_ );
+        }
+    }
+}
+
+// JSM 07.10.95
+void SbiParser::LSet()
+{
+    SbiExpression aLvalue( this, SbLVALUE );
+    if( aLvalue.GetType() != SbxSTRING )
+    {
+        Error( ERRCODE_BASIC_INVALID_OBJECT );
+    }
+    TestToken( EQ );
+    SbiSymDef* pDef = aLvalue.GetRealVar();
+    if( pDef && pDef->GetConstDef() )
+    {
+        Error( ERRCODE_BASIC_DUPLICATE_DEF, pDef->GetName() );
+    }
+    SbiExpression aExpr( this );
+    aLvalue.Gen();
+    aExpr.Gen();
+    aGen.Gen( SbiOpcode::LSET_ );
+}
+
+// JSM 07.10.95
+void SbiParser::RSet()
+{
+    SbiExpression aLvalue( this, SbLVALUE );
+    if( aLvalue.GetType() != SbxSTRING )
+    {
+        Error( ERRCODE_BASIC_INVALID_OBJECT );
+    }
+    TestToken( EQ );
+    SbiSymDef* pDef = aLvalue.GetRealVar();
+    if( pDef && pDef->GetConstDef() )
+        Error( ERRCODE_BASIC_DUPLICATE_DEF, pDef->GetName() );
+    SbiExpression aExpr( this );
+    aLvalue.Gen();
+    aExpr.Gen();
+    aGen.Gen( SbiOpcode::RSET_ );
+}
+
+// DEFINT, DEFLNG, DEFSNG, DEFDBL, DEFSTR and so on
+
+void SbiParser::DefXXX()
+{
+    sal_Unicode ch1, ch2;
+    SbxDataType t = SbxDataType( eCurTok - DEFINT + SbxINTEGER );
+
+    while( !bAbort )
+    {
+        if( Next() != SYMBOL ) break;
+        ch1 = rtl::toAsciiUpperCase(aSym[0]);
+        ch2 = 0;
+        if( Peek() == MINUS )
+        {
+            Next();
+            if( Next() != SYMBOL ) Error( ERRCODE_BASIC_SYMBOL_EXPECTED );
+            else
+            {
+                ch2 = rtl::toAsciiUpperCase(aSym[0]);
+                if( ch2 < ch1 )
+                {
+                    Error( ERRCODE_BASIC_SYNTAX );
+                    ch2 = 0;
+                }
+            }
+        }
+        if (!ch2) ch2 = ch1;
+        ch1 -= 'A'; ch2 -= 'A';
+        for (; ch1 <= ch2; ch1++) eDefTypes[ ch1 ] = t;
+        if( !TestComma() ) break;
+    }
+}
+
+// STOP/SYSTEM
+
+void SbiParser::Stop()
+{
+    aGen.Gen( SbiOpcode::STOP_ );
+    Peek();     // #35694: only Peek(), so that EOL is recognized in Single-Line-If
+}
+
+// IMPLEMENTS
+
+void SbiParser::Implements()
+{
+    if( !bClassModule )
+    {
+        Error( ERRCODE_BASIC_UNEXPECTED, IMPLEMENTS );
+        return;
+    }
+
+    Peek();
+    if( eCurTok != SYMBOL )
+    {
+        Error( ERRCODE_BASIC_SYMBOL_EXPECTED );
+        return;
+    }
+
+    OUString aImplementedIface = aSym;
+    Next();
+    if( Peek() == DOT )
+    {
+        OUString aDotStr( '.' );
+        while( Peek() == DOT )
+        {
+            aImplementedIface += aDotStr;
+            Next();
+            SbiToken ePeekTok = Peek();
+            if( ePeekTok == SYMBOL || IsKwd( ePeekTok ) )
+            {
+                Next();
+                aImplementedIface += aSym;
+            }
+            else
+            {
+                Next();
+                Error( ERRCODE_BASIC_SYMBOL_EXPECTED );
+                break;
+            }
+        }
+    }
+    aIfaceVector.push_back( aImplementedIface );
+}
+
+void SbiParser::EnableCompatibility()
+{
+    if( !bCompatible )
+        AddConstants();
+    bCompatible = true;
+}
+
+// OPTION
+
+void SbiParser::Option()
+{
+    switch( Next() )
+    {
+        case BASIC_EXPLICIT:
+            bExplicit = true; break;
+        case BASE:
+            if( Next() == NUMBER && ( nVal == 0 || nVal == 1 ) )
+            {
+                nBase = static_cast<short>(nVal);
+                break;
+            }
+            Error( ERRCODE_BASIC_EXPECTED, "0/1" );
+            break;
+        case PRIVATE:
+        {
+            OUString aString = SbiTokenizer::Symbol(Next());
+            if( !aString.equalsIgnoreAsciiCase("Module") )
+            {
+                Error( ERRCODE_BASIC_EXPECTED, "Module" );
+            }
+            break;
+        }
+        case COMPARE:
+        {
+            SbiToken eTok = Next();
+            if( eTok == BINARY )
+            {
+            }
+            else if( eTok == SYMBOL && GetSym().equalsIgnoreAsciiCase("text") )
+            {
+            }
+            else
+            {
+                Error( ERRCODE_BASIC_EXPECTED, "Text/Binary" );
+            }
+            break;
+        }
+        case COMPATIBLE:
+            EnableCompatibility();
+            break;
+
+        case CLASSMODULE:
+            bClassModule = true;
+            aGen.GetModule().SetModuleType( css::script::ModuleType::CLASS );
+            break;
+        case VBASUPPORT: // Option VBASupport used to override the module mode ( in fact this must reset the mode
+            if( Next() == NUMBER )
+            {
+                if ( nVal == 1 || nVal == 0 )
+                {
+                    bVBASupportOn = ( nVal == 1 );
+                    if ( bVBASupportOn )
+                    {
+                        EnableCompatibility();
+                    }
+                    // if the module setting is different
+                    // reset it to what the Option tells us
+                    if ( bVBASupportOn != aGen.GetModule().IsVBACompat() )
+                    {
+                        aGen.GetModule().SetVBACompat( bVBASupportOn );
+                    }
+                    break;
+                }
+            }
+            Error( ERRCODE_BASIC_EXPECTED, "0/1" );
+            break;
+        default:
+            Error( ERRCODE_BASIC_BAD_OPTION, eCurTok );
+    }
+}
+
+static void addStringConst( SbiSymPool& rPool, const OUString& pSym, const OUString& rStr )
+{
+    SbiConstDef* pConst = new SbiConstDef( pSym );
+    pConst->SetType( SbxSTRING );
+    pConst->Set( rStr );
+    rPool.Add( pConst );
+}
+
+void SbiParser::AddConstants()
+{
+    // #113063 Create constant RTL symbols
+    addStringConst( aPublics, "vbCr", "\x0D" );
+    addStringConst( aPublics, "vbCrLf", "\x0D\x0A" );
+    addStringConst( aPublics, "vbFormFeed", "\x0C" );
+    addStringConst( aPublics, "vbLf", "\x0A" );
+#ifdef _WIN32
+    addStringConst( aPublics, "vbNewLine", "\x0D\x0A" );
+#else
+    addStringConst( aPublics, "vbNewLine", "\x0A" );
+#endif
+    addStringConst( aPublics, "vbNullString", "" );
+    addStringConst( aPublics, "vbTab", "\x09" );
+    addStringConst( aPublics, "vbVerticalTab", "\x0B" );
+
+    // Force length 1 and make char 0 afterwards
+    OUString aNullCharStr(u'\0');
+    addStringConst( aPublics, "vbNullChar", aNullCharStr );
+}
+
+// ERROR n
+
+void SbiParser::ErrorStmnt()
+{
+    SbiExpression aPar( this );
+    aPar.Gen();
+    aGen.Gen( SbiOpcode::ERROR_ );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */