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140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _CR_INFOITEM_H_
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#define _CR_INFOITEM_H_
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#include "ConstantPool.h"
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#include "DoublyLinkedList.h"
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#define CR_FIELD_VOLATILE 0x0040
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#define CR_FIELD_STATIC 0x0008
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#define CR_FIELD_PUBLIC 0x0001
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#define CR_FIELD_PROTECTED 0x0004
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#define CR_FIELD_PRIVATE 0x0002
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#define CR_FIELD_FINAL 0x0010
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#define CR_FIELD_TRANSIENT 0x0080
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#define CR_METHOD_STATIC 0x0008
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#define CR_METHOD_NATIVE 0x0100
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#define CR_METHOD_ABSTRACT 0x0400
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#define CR_METHOD_PRIVATE 0x0002
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#define CR_METHOD_PUBLIC 0x0001
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#define CR_METHOD_PROTECTED 0x0004
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#define CR_METHOD_FINAL 0x0010
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#define CR_METHOD_SYNCHRONIZED 0x0020
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/* Base class for types FieldInfo and MethodInfo */
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class InfoItem {
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public:
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InfoItem(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
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ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo);
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Uint16 getAccessFlags() const {
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return accessFlags;
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}
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ConstantUtf8 *getName() const {
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return name;
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}
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/* Returns a class that points to the string representing the
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* type descriptor of the field/method
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*/
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ConstantUtf8 *getDescriptor() const {
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return descriptor;
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}
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/* returns the name of the class that this field/method is a member of */
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ConstantUtf8 *getClassName() const {
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return className;
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}
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int getAttributeCount() const {
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return attrCount;
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}
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const DoublyLinkedList <AttributeInfoItem> &getAttributes() const {
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return attributes;
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}
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/* Looks up an attribute by attribute-name */
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AttributeInfoItem *getAttribute(const char *_name) const;
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/* Look up a known attribute by code name */
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AttributeInfoItem *getAttribute(const Uint32 code) const;
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#ifdef DEBUG
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virtual void dump(int nIndents) const;
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#endif
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bool addAttribute(AttributeInfoItem &attribute);
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protected:
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Pool &p;
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private:
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Uint16 accessFlags;
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ConstantUtf8 *name, *descriptor, *className;
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int attrCount;
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DoublyLinkedList<AttributeInfoItem> attributes;
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};
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/* A FieldInfo represents one field in a class or interface */
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class FieldInfo: public InfoItem {
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friend class ClassFileReader;
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public:
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FieldInfo(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
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ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo) :
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InfoItem(p, aflags, classInfo, nameInfo, descInfo) {}
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void getInfo(const char *&sig,
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bool &isVolatile, bool &isConstant, bool &isStatic) const;
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#ifdef DEBUG
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virtual void dump(int nIndents) const;
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#endif
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};
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/* A MethodInfo represents one method in a class or interface */
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class MethodInfo: public InfoItem {
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public:
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MethodInfo(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
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ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo) :
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InfoItem(p, aflags, classInfo, nameInfo, descInfo)
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{ }
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/* Get the signature of the method and a few of its flags */
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void getInfo(const char *&sig,
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bool &isAbstract, bool &isStatic,
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bool &isFinal, bool &isSynchronized,
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bool &isNative) const;
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bool isNative() const { return (getAccessFlags() & CR_METHOD_NATIVE) != 0; };
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};
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#endif /* _CR_INFOITEM_H_ */
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