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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /basic/source/inc/codegen.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'basic/source/inc/codegen.hxx')
-rw-r--r-- | basic/source/inc/codegen.hxx | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/basic/source/inc/codegen.hxx b/basic/source/inc/codegen.hxx new file mode 100644 index 0000000000..e9e0621601 --- /dev/null +++ b/basic/source/inc/codegen.hxx @@ -0,0 +1,86 @@ +/* -*- 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 . + */ + +#pragma once + +#include "opcodes.hxx" +#include "buffer.hxx" + +class SbiParser; +class SbModule; + +class SbiCodeGen { + SbiParser* pParser; // for error messages, line, column etc. + SbModule& rMod; + SbiBuffer aCode; + short nLine, nCol; // for stmnt command + short nForLevel; // #29955 + bool bStmnt; // true: statement-opcode is pending + +public: + SbiCodeGen(SbModule&, SbiParser*); + SbiParser* GetParser() { return pParser; } + SbModule& GetModule() { return rMod; } + sal_uInt32 Gen( SbiOpcode ); + sal_uInt32 Gen( SbiOpcode, sal_uInt32 ); + sal_uInt32 Gen( SbiOpcode, sal_uInt32, sal_uInt32 ); + void Patch( sal_uInt32 o, sal_uInt32 v ){ aCode.Patch( o, v ); } + void BackChain( sal_uInt32 off ) { aCode.Chain( off ); } + void Statement(); + void GenStmnt(); // create statement-opcode maybe + sal_uInt32 GetPC() const; + sal_uInt32 GetOffset() const { return GetPC() + 1; } + void Save(); + + // #29955 service for-loop-level + void IncForLevel() { nForLevel++; } + void DecForLevel() { nForLevel--; } + + static sal_uInt32 calcNewOffSet( sal_uInt8 const * pCode, sal_uInt16 nOffset ); + static sal_uInt16 calcLegacyOffSet( sal_uInt8 const * pCode, sal_uInt32 nOffset ); + +}; + +template < class T, class S > +class PCodeBuffConvertor +{ + T m_nSize; + const sal_uInt8* m_pStart; + std::vector<sal_uInt8> m_aCnvtdBuf; + + PCodeBuffConvertor(const PCodeBuffConvertor& ) = delete; + PCodeBuffConvertor& operator = ( const PCodeBuffConvertor& ) = delete; +public: + PCodeBuffConvertor(const sal_uInt8* pCode, T nSize) + : m_nSize(nSize) + , m_pStart(pCode) + { + convert(); + } + void convert(); + // pass ownership + std::vector<sal_uInt8>&& GetBuffer() { return std::move(m_aCnvtdBuf); } +}; + +// #111897 PARAM_INFO flags start at 0x00010000 to not +// conflict with DefaultId in SbxParamInfo::nUserData +#define PARAM_INFO_PARAMARRAY 0x0010000 +#define PARAM_INFO_WITHBRACKETS 0x0020000 + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |