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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /codemaker/source/javamaker/classfile.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'codemaker/source/javamaker/classfile.hxx')
-rw-r--r--codemaker/source/javamaker/classfile.hxx239
1 files changed, 239 insertions, 0 deletions
diff --git a/codemaker/source/javamaker/classfile.hxx b/codemaker/source/javamaker/classfile.hxx
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+++ b/codemaker/source/javamaker/classfile.hxx
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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: */