00001 /* -*- Mode: C++; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 #ifndef __JVMCOMPONENT_H
00003 #define __JVMCOMPONENT_H
00004
00005 /*
00006 * $Id: jvm_component.h,v 1.2 2000/07/24 00:33:24 brm Exp $
00007 */
00008
00009
00010 /*
00011 * This class defines an abstract base class for components of a .class file.
00012 * Components are jvm_Constant, jvm_Attribute, jvm_Field, jvm_Method and
00013 * jvm_interface.
00014 * A jvm_Component knows its subtype by asking component_kind().
00015 */
00016 class jvm_Component
00017 #ifdef BDW_GC
00018 : public gc
00019 #endif
00020 {
00021 protected:
00022 jvm_Classfile *_cf;
00023
00024 public:
00025 enum component_kinds {
00026 Constant = 1,
00027 Attribute,
00028 Field,
00029 Interface,
00030 Method,
00031 ExceptionTable
00032 };
00033
00034 jvm_Component(jvm_Classfile* cf) : _cf(cf) {}
00035 virtual ~jvm_Component();
00036
00037 // methods
00038 virtual component_kinds component_kind() = 0;
00039 virtual void print(void) = 0; // prints internal fields
00040 virtual void write(void) = 0; // write to stream
00041 };
00042
00043 #endif /* __JVMCOMPONENT_H */
