118 void do_oop_nv(narrowOop* p) { _wrapped_closure->do_oop(p); }
119
120 void do_oop(oop* p) { assert(false, "Only the _nv versions should be used");
121 _wrapped_closure->do_oop(p); }
122 void do_oop(narrowOop* p) { assert(false, "Only the _nv versions should be used");
123 _wrapped_closure->do_oop(p);}
124 };
125
126 class KlassClosure : public Closure {
127 public:
128 virtual void do_klass(Klass* k) = 0;
129 };
130
131 class KlassToOopClosure : public KlassClosure {
132 OopClosure* _oop_closure;
133 public:
134 KlassToOopClosure(OopClosure* oop_closure) : _oop_closure(oop_closure) {}
135 virtual void do_klass(Klass* k);
136 };
137
138 // ObjectClosure is used for iterating through an object space
139
140 class ObjectClosure : public Closure {
141 public:
142 // Called for each object.
143 virtual void do_object(oop obj) = 0;
144 };
145
146
147 class BoolObjectClosure : public ObjectClosure {
148 public:
149 virtual bool do_object_b(oop obj) = 0;
150 };
151
152 // Applies an oop closure to all ref fields in objects iterated over in an
153 // object iteration.
154 class ObjectToOopClosure: public ObjectClosure {
155 ExtendedOopClosure* _cl;
156 public:
157 void do_object(oop obj);
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118 void do_oop_nv(narrowOop* p) { _wrapped_closure->do_oop(p); }
119
120 void do_oop(oop* p) { assert(false, "Only the _nv versions should be used");
121 _wrapped_closure->do_oop(p); }
122 void do_oop(narrowOop* p) { assert(false, "Only the _nv versions should be used");
123 _wrapped_closure->do_oop(p);}
124 };
125
126 class KlassClosure : public Closure {
127 public:
128 virtual void do_klass(Klass* k) = 0;
129 };
130
131 class KlassToOopClosure : public KlassClosure {
132 OopClosure* _oop_closure;
133 public:
134 KlassToOopClosure(OopClosure* oop_closure) : _oop_closure(oop_closure) {}
135 virtual void do_klass(Klass* k);
136 };
137
138 class CLDToOopClosure {
139 OopClosure* _oop_closure;
140 KlassToOopClosure _default_klass_closure;
141 KlassClosure* _klass_closure;
142 bool _must_claim_cld;
143
144 public:
145 CLDToOopClosure(OopClosure* oop_closure, bool must_claim_cld = true) :
146 _oop_closure(oop_closure),
147 _default_klass_closure(oop_closure),
148 _klass_closure(&_default_klass_closure),
149 _must_claim_cld(must_claim_cld) {}
150 CLDToOopClosure(OopClosure* oop_closure, KlassClosure* klass_closure, bool must_claim_cld = true) :
151 _oop_closure(oop_closure),
152 _default_klass_closure(NULL), // Ignored
153 _klass_closure(klass_closure),
154 _must_claim_cld(must_claim_cld) {}
155
156 void do_cld(ClassLoaderData* cld);
157 };
158
159 // ObjectClosure is used for iterating through an object space
160
161 class ObjectClosure : public Closure {
162 public:
163 // Called for each object.
164 virtual void do_object(oop obj) = 0;
165 };
166
167
168 class BoolObjectClosure : public ObjectClosure {
169 public:
170 virtual bool do_object_b(oop obj) = 0;
171 };
172
173 // Applies an oop closure to all ref fields in objects iterated over in an
174 // object iteration.
175 class ObjectToOopClosure: public ObjectClosure {
176 ExtendedOopClosure* _cl;
177 public:
178 void do_object(oop obj);
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