gecko-dev/ef/Runtime/ClassReader/InfoItem.h
1999-11-02 06:38:29 +00:00

144 lines
3.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef _CR_INFOITEM_H_
#define _CR_INFOITEM_H_
#include "ConstantPool.h"
#include "DoublyLinkedList.h"
#define CR_FIELD_VOLATILE 0x0040
#define CR_FIELD_STATIC 0x0008
#define CR_FIELD_PUBLIC 0x0001
#define CR_FIELD_PROTECTED 0x0004
#define CR_FIELD_PRIVATE 0x0002
#define CR_FIELD_FINAL 0x0010
#define CR_FIELD_TRANSIENT 0x0080
#define CR_METHOD_STATIC 0x0008
#define CR_METHOD_NATIVE 0x0100
#define CR_METHOD_ABSTRACT 0x0400
#define CR_METHOD_PRIVATE 0x0002
#define CR_METHOD_PUBLIC 0x0001
#define CR_METHOD_PROTECTED 0x0004
#define CR_METHOD_FINAL 0x0010
#define CR_METHOD_SYNCHRONIZED 0x0020
/* Base class for types FieldInfo and MethodInfo */
class InfoItem {
public:
InfoItem(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo);
Uint16 getAccessFlags() const {
return accessFlags;
}
ConstantUtf8 *getName() const {
return name;
}
/* Returns a class that points to the string representing the
* type descriptor of the field/method
*/
ConstantUtf8 *getDescriptor() const {
return descriptor;
}
/* returns the name of the class that this field/method is a member of */
ConstantUtf8 *getClassName() const {
return className;
}
int getAttributeCount() const {
return attrCount;
}
const DoublyLinkedList <AttributeInfoItem> &getAttributes() const {
return attributes;
}
/* Looks up an attribute by attribute-name */
AttributeInfoItem *getAttribute(const char *_name) const;
/* Look up a known attribute by code name */
AttributeInfoItem *getAttribute(const Uint32 code) const;
#ifdef DEBUG
virtual void dump(int nIndents) const;
#endif
bool addAttribute(AttributeInfoItem &attribute);
protected:
Pool &p;
private:
Uint16 accessFlags;
ConstantUtf8 *name, *descriptor, *className;
int attrCount;
DoublyLinkedList<AttributeInfoItem> attributes;
};
/* A FieldInfo represents one field in a class or interface */
class FieldInfo: public InfoItem {
friend class ClassFileReader;
public:
FieldInfo(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo) :
InfoItem(p, aflags, classInfo, nameInfo, descInfo) {}
void getInfo(const char *&sig,
bool &isVolatile, bool &isConstant, bool &isStatic) const;
#ifdef DEBUG
virtual void dump(int nIndents) const;
#endif
};
/* A MethodInfo represents one method in a class or interface */
class MethodInfo: public InfoItem {
public:
MethodInfo(Pool &p, Uint16 aflags, ConstantUtf8 *classInfo,
ConstantUtf8 *nameInfo, ConstantUtf8 *descInfo) :
InfoItem(p, aflags, classInfo, nameInfo, descInfo)
{ }
/* Get the signature of the method and a few of its flags */
void getInfo(const char *&sig,
bool &isAbstract, bool &isStatic,
bool &isFinal, bool &isSynchronized,
bool &isNative) const;
bool isNative() const { return (getAccessFlags() & CR_METHOD_NATIVE) != 0; };
};
#endif /* _CR_INFOITEM_H_ */