/* -*- 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
// Version 2: data type of the return value for publics // Version 3: new opcodes // Version 4: new opcodes // Version 5: bug (entry of STATIC-variables in the init code) // Version 6: new opcodes and bug (construct globals, without ending the BASIC) // Version 7: correction concerning the WITH-Parsing // Version 8: correction concerning the IF-Parsing // Version 9: end init code with LEAVE, too, if no SUB/FUNCTION follows // Version A: #36374 at DIM AS NEW... construct variable too // Version B: #40689 reorganized static // Version C: #41606 bug at static // Version D: #42678 bug at RTL-function spc // Version E: #56204 DCREATE, to also construct arrays at DIM AS NEW // Version F: #57844 introduction of SvNumberformat::StringToDouble // Version 10: #29955 generate for-loop-level in Statement-PCodes // Version 11: #29955 force anew compilation because of build-inconsistences // Version 12: aoo#64377 increase code size that basic can handle // tdf#75973 support user defined types B_USERTYPES in password protected macros // Version 13: tdf#94617 store methods nStart information greater than sal_Int16 limit // tdf#57113 store UTF-16 strings after legacy 1-byte-encoded strings in pool (no // version number bump for backward compatibility; relies on magic number) // tdf#142460: properly handle boolean values in string pool (no // version number bump for backward compatibility; relies on // new integer type suffix 'b') // tdf#168569: support date values in string pool (no version number bump // for backward compatibility; relies on new integer type suffix 'd') //
// The file contains either a module- or a library-record. // Those records contain further records. Every record's got // the following header:
// sal_uInt16 identifier // sal_uInt32 the record's length without the header // sal_uInt16 number of sub-elements
// all the file-offsets in records are relative to the module's start!
enumclass FileOffset {
Library = 0x4C42, // BL Library Record
Module = 0x4D42, // BM Module Record
Name = 0x4E4D, // MN module name
Comment = 0x434D, // MC comment
Source = 0x4353, // SC source code
PCode = 0x4350, // PC p-code
OldPublics = 0x7550, // Pu publics
Publics = 0x5550, // PU publics
PoolDir = 0x4450, // PD symbol pool directory
SymPool = 0x5953, // SY symbol pool
StringPool = 0x5453, // ST symbol pool
LineRanges = 0x524C, // LR line ranges for publics
ModEnd = 0x454D, // ME module end
SbxObjects = 0x5853, // SX SBX objects
ExtSource = 0x5345, // ES extended source
UserTypes = 0x4369, // UT user defined types
LastValue = UserTypes
};
// A library record contains only module records // sal_uInt16 identifier BL // sal_uInt32 the record's length // sal_uInt16 number of modules
// A module-record contains all the other record types // sal_uInt16 identifier BM // sal_uInt32 the record's length // sal_uInt16 1 // Data: // sal_uInt32 version number // sal_uInt32 character set // sal_uInt32 starting address initialisation code // sal_uInt32 starting address sub main // sal_uInt32 reserved // sal_uInt32 reserved
// module name, comment and source code: // sal_uInt16 identifier MN, MC or SC // sal_uInt32 the record's length // sal_uInt16 1 // Data: // string instance
// P-Code: // sal_uInt16 identifier PC // sal_uInt32 the record's length // sal_uInt16 1 // Data: // the P-Code as bytesack
// All symbols and strings are kept in a string-pool. // References to these strings are in this pool in the form of an index.
// List of all publics: // sal_uInt16 identifier PU or Pu // sal_uInt32 the record's length // sal_uInt16 number of publics // Data for every public-entry: // sal_uInt16 string index // sal_uInt32 starting address in the p-code-image (sal_uInt16 for old publics) // sal_uInt16 data type of the return value (from version 2)
// Register of the symbol tables: // sal_uInt16 identifier SP // sal_uInt32 the record's length // sal_uInt16 number of symbol tables // Data for every symbol table: // sal_uInt16 stringindex of the name // sal_uInt16 number of symbols // sal_uInt16 scope identifier
// symbol table: // sal_uInt16 identifier SY // sal_uInt32 the record's length // sal_uInt16 number of symbols // Data: // sal_uInt16 stringindex of the name // sal_uInt16 number of symbols // Data for every symbol: // sal_uInt16 stringindex of the name // sal_uInt16 data type // sal_uInt16 length for STRING*n-symbols (0x8000: STATIC variable)
// Stringpool: // sal_uInt16 identifier ST // sal_uInt32 the record's length // sal_uInt16 number of strings // Data for every string: // sal_uInt32 Offset in the block of all strings // the block of all strings (ASCIIZ) follows then
// line ranges: // sal_uInt16 identifier LR // sal_uInt32 the record's length // sal_uInt16 number of strings // Data for every public: // sal_uInt16 1st line (Sub XXX) // sal_uInt16 2nd line (End Sub)
// SBX-objects: // sal_uInt16 number of objects // ... object data
// user defined types B_USERTYPES : // sal_uInt16 identifier UT // sal_uInt32 the record's length // sal_uInt16 number of types // Data for every user defined type: // string instance type name // sal_Int16 number of type members // Data for every type member: // string name // sal_Int16 type // sal_uInt32 flags // sal_Int16 hasObjects (0/1) // If hasObjects // If member type is nested type // string nested type name // Else (array declaration) // sal_Int16 isFixedSize (0/1) // sal_Int32 number of dimensions // Data for every dimension: // sal_Int32 lower bound // sal_Int32 upper bound
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