hotspot/src/share/vm/runtime/stackValueCollection.hpp
author coleenp
Wed, 28 Oct 2015 09:47:23 -0400
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8139203: Consistent naming for klass type predicates 8138923: Remove oop coupling with InstanceKlass subclasses Summary: Renamed oop_is_instance and friends, removed the functions in oop that dug down into InstanceKlass. Reviewed-by: jrose, lfoltan, stefank
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/*
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 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
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#define SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
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#include "memory/allocation.hpp"
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#include "runtime/stackValue.hpp"
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#include "utilities/growableArray.hpp"
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class StackValueCollection : public ResourceObj {
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 private:
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  GrowableArray<StackValue*>* _values;
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 public:
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  StackValueCollection()            { _values = new GrowableArray<StackValue*>(); }
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  StackValueCollection(int length)  { _values = new GrowableArray<StackValue*>(length); }
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  void add(StackValue *val) const   { _values->push(val); }
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  int  size() const                 { return _values->length(); }
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  bool is_empty() const             { return (size() == 0); }
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  StackValue* at(int i) const       { return _values->at(i); }
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  // Get typed locals/expressions
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  jint  int_at(int slot) const;
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  jlong long_at(int slot) const;
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  Handle obj_at(int slot) const;
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  jfloat  float_at(int slot) const;
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  jdouble double_at(int slot) const;
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  // Set typed locals/expressions
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  void set_int_at(int slot, jint value);
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  void set_long_at(int slot, jlong value);
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  void set_obj_at(int slot, Handle value);
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  void set_float_at(int slot, jfloat value);
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  void set_double_at(int slot, jdouble value);
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  void print();
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};
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#endif // SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP