duke@435: /*
stefank@2314:  * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #ifndef SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
stefank@2314: #define SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
stefank@2314: 
stefank@2314: #include "memory/allocation.hpp"
stefank@2314: #include "runtime/stackValue.hpp"
stefank@2314: #include "utilities/growableArray.hpp"
stefank@2314: 
duke@435: class StackValueCollection : public ResourceObj {
duke@435:  private:
duke@435:   GrowableArray<StackValue*>* _values;
duke@435: 
duke@435:  public:
duke@435:   StackValueCollection()            { _values = new GrowableArray<StackValue*>(); }
duke@435:   StackValueCollection(int length)  { _values = new GrowableArray<StackValue*>(length); }
duke@435: 
duke@435:   void add(StackValue *val) const   { _values->push(val); }
duke@435:   int  size() const                 { return _values->length(); }
duke@435:   bool is_empty() const             { return (size() == 0); }
duke@435:   StackValue* at(int i) const       { return _values->at(i); }
duke@435: 
duke@435:   // Get typed locals/expressions
duke@435:   jint  int_at(int slot) const;
duke@435:   jlong long_at(int slot) const;
duke@435:   Handle obj_at(int slot) const;
duke@435:   jfloat  float_at(int slot) const;
duke@435:   jdouble double_at(int slot) const;
duke@435: 
duke@435:   // Set typed locals/expressions
duke@435:   void set_int_at(int slot, jint value);
duke@435:   void set_long_at(int slot, jlong value);
duke@435:   void set_obj_at(int slot, Handle value);
duke@435:   void set_float_at(int slot, jfloat value);
duke@435:   void set_double_at(int slot, jdouble value);
duke@435: 
duke@435:   void print();
duke@435: };
stefank@2314: 
stefank@2314: #endif // SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP