1 /* 2 * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_RUNTIME_STACKVALUECOLLECTION_HPP 26 #define SHARE_RUNTIME_STACKVALUECOLLECTION_HPP 27 28 #include "memory/allocation.hpp" 29 #include "runtime/stackValue.hpp" 30 #include "utilities/growableArray.hpp" 31 32 class StackValueCollection : public ResourceObj { 33 private: 34 GrowableArray<StackValue*>* _values; 35 36 public: StackValueCollection()37 StackValueCollection() { _values = new GrowableArray<StackValue*>(); } StackValueCollection(int length)38 StackValueCollection(int length) { _values = new GrowableArray<StackValue*>(length); } 39 add(StackValue * val) const40 void add(StackValue *val) const { _values->push(val); } size() const41 int size() const { return _values->length(); } is_empty() const42 bool is_empty() const { return (size() == 0); } at(int i) const43 StackValue* at(int i) const { return _values->at(i); } 44 45 // Get typed locals/expressions 46 jint int_at(int slot) const; 47 jlong long_at(int slot) const; 48 Handle obj_at(int slot) const; 49 jfloat float_at(int slot) const; 50 jdouble double_at(int slot) const; 51 52 // Set typed locals/expressions 53 void set_int_at(int slot, jint value); 54 void set_long_at(int slot, jlong value); 55 void set_obj_at(int slot, Handle value); 56 void set_float_at(int slot, jfloat value); 57 void set_double_at(int slot, jdouble value); 58 59 void print(); 60 }; 61 62 #endif // SHARE_RUNTIME_STACKVALUECOLLECTION_HPP 63