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/* -*- 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 <codemaker/unotype.hxx>
#include <sal/types.h>
#include <map>
#include <memory>
#include <utility>
#include <vector>
class FileStream;
namespace codemaker::javamaker {
class ClassFile {
public:
enum AccessFlags {
ACC_PUBLIC = 0x0001,
ACC_PRIVATE = 0x0002,
ACC_STATIC = 0x0008,
ACC_FINAL = 0x0010,
ACC_SUPER = 0x0020,
ACC_VARARGS = 0x0080,
ACC_INTERFACE = 0x0200,
ACC_ABSTRACT = 0x0400,
ACC_SYNTHETIC = 0x1000
};
class Code {
public:
typedef std::vector< unsigned char >::size_type Branch;
typedef std::vector< unsigned char >::size_type Position;
~Code();
void instrAastore();
void instrAconstNull();
void instrAnewarray(rtl::OString const & type);
void instrAreturn();
void instrAthrow();
void instrCheckcast(rtl::OString const & type);
void instrDup();
void instrGetstatic(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
Branch instrIfAcmpne();
Branch instrIfeq();
Branch instrIfnull();
void instrInstanceof(rtl::OString const & type);
void instrInvokeinterface(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor, sal_uInt8 args);
void instrInvokespecial(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
void instrInvokestatic(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
void instrInvokevirtual(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
void instrLookupswitch(
Code const * defaultBlock,
std::vector< std::pair< sal_Int32, Code * > > const & blocks);
void instrNew(rtl::OString const & type);
void instrNewarray(codemaker::UnoType::Sort sort);
void instrPop();
void instrPutfield(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
void instrPutstatic(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
void instrReturn();
void instrSwap();
void instrTableswitch(
Code const * defaultBlock, sal_Int32 low,
std::vector< std::unique_ptr<Code> > const & blocks);
void loadIntegerConstant(sal_Int32 value);
void loadStringConstant(rtl::OString const & value);
void loadLocalInteger(sal_uInt16 index);
void loadLocalLong(sal_uInt16 index);
void loadLocalFloat(sal_uInt16 index);
void loadLocalDouble(sal_uInt16 index);
void loadLocalReference(sal_uInt16 index);
void storeLocalReference(sal_uInt16 index);
void branchHere(Branch branch);
void addException(
Position start, Position end, Position handler,
rtl::OString const & type);
void setMaxStackAndLocals(sal_uInt16 maxStack, sal_uInt16 maxLocals)
{ m_maxStack = maxStack; m_maxLocals = maxLocals; }
Position getPosition() const;
private:
Code(Code const &) = delete;
Code& operator =(const Code&) = delete;
explicit Code(ClassFile & classFile);
void ldc(sal_uInt16 index);
void accessLocal(
sal_uInt16 index, sal_uInt8 fastOp, sal_uInt8 normalOp);
ClassFile & m_classFile;
sal_uInt16 m_maxStack;
sal_uInt16 m_maxLocals;
std::vector< unsigned char > m_code;
sal_uInt16 m_exceptionTableLength;
std::vector< unsigned char > m_exceptionTable;
friend class ClassFile;
};
ClassFile(
AccessFlags accessFlags, rtl::OString const & thisClass,
rtl::OString const & superClass, rtl::OString const & signature);
~ClassFile();
std::unique_ptr<Code> newCode();
sal_uInt16 addIntegerInfo(sal_Int32 value);
sal_uInt16 addFloatInfo(float value);
sal_uInt16 addLongInfo(sal_Int64 value);
sal_uInt16 addDoubleInfo(double value);
void addInterface(rtl::OString const & interface);
void addField(
AccessFlags accessFlags, rtl::OString const & name,
rtl::OString const & descriptor, sal_uInt16 constantValueIndex,
rtl::OString const & signature);
void addMethod(
AccessFlags accessFlags, rtl::OString const & name,
rtl::OString const & descriptor, Code const * code,
std::vector< rtl::OString > const & exceptions,
rtl::OString const & signature);
void write(FileStream & file) const; //TODO
private:
typedef std::map< rtl::OString, sal_uInt16 > Map;
ClassFile(ClassFile const &) = delete;
ClassFile& operator =(const ClassFile&) = delete;
sal_uInt16 nextConstantPoolIndex(sal_uInt16 width);
sal_uInt16 addUtf8Info(rtl::OString const & value);
sal_uInt16 addClassInfo(rtl::OString const & type);
sal_uInt16 addStringInfo(rtl::OString const & value);
sal_uInt16 addFieldrefInfo(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
sal_uInt16 addMethodrefInfo(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
sal_uInt16 addInterfaceMethodrefInfo(
rtl::OString const & type, rtl::OString const & name,
rtl::OString const & descriptor);
sal_uInt16 addNameAndTypeInfo(
rtl::OString const & name, rtl::OString const & descriptor);
void appendSignatureAttribute(
std::vector< unsigned char > & stream, rtl::OString const & signature);
sal_uInt16 m_constantPoolCount;
std::vector< unsigned char > m_constantPool;
std::map< rtl::OString, sal_uInt16 > m_utf8Infos;
std::map< sal_Int32, sal_uInt16 > m_integerInfos;
std::map< sal_Int64, sal_uInt16 > m_longInfos;
std::map< float, sal_uInt16 > m_floatInfos;
std::map< double, sal_uInt16 > m_doubleInfos;
std::map< sal_uInt16, sal_uInt16 > m_classInfos;
std::map< sal_uInt16, sal_uInt16 > m_stringInfos;
std::map< sal_uInt32, sal_uInt16 > m_fieldrefInfos;
std::map< sal_uInt32, sal_uInt16 > m_methodrefInfos;
std::map< sal_uInt32, sal_uInt16 > m_interfaceMethodrefInfos;
std::map< sal_uInt32, sal_uInt16 > m_nameAndTypeInfos;
AccessFlags m_accessFlags;
sal_uInt16 m_thisClass;
sal_uInt16 m_superClass;
sal_uInt16 m_interfacesCount;
std::vector< unsigned char > m_interfaces;
sal_uInt16 m_fieldsCount;
std::vector< unsigned char > m_fields;
sal_uInt16 m_methodsCount;
std::vector< unsigned char > m_methods;
sal_uInt16 m_attributesCount;
std::vector< unsigned char > m_attributes;
friend class Code;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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