1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/ci/ciArray.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,79 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_CI_CIARRAY_HPP
1.29 +#define SHARE_VM_CI_CIARRAY_HPP
1.30 +
1.31 +#include "ci/ciArrayKlass.hpp"
1.32 +#include "ci/ciConstant.hpp"
1.33 +#include "ci/ciObject.hpp"
1.34 +#include "oops/arrayOop.hpp"
1.35 +#include "oops/objArrayOop.hpp"
1.36 +#include "oops/typeArrayOop.hpp"
1.37 +
1.38 +// ciArray
1.39 +//
1.40 +// This class represents an arrayOop in the HotSpot virtual
1.41 +// machine.
1.42 +class ciArray : public ciObject {
1.43 +private:
1.44 + int _length;
1.45 +
1.46 +protected:
1.47 + ciArray( arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
1.48 + ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
1.49 + ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
1.50 +
1.51 + ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {}
1.52 +
1.53 + arrayOop get_arrayOop() const { return (arrayOop)get_oop(); }
1.54 +
1.55 + const char* type_string() { return "ciArray"; }
1.56 +
1.57 + void print_impl(outputStream* st);
1.58 +
1.59 + ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index);
1.60 +
1.61 +public:
1.62 + int length() { return _length; }
1.63 +
1.64 + // Convenience routines.
1.65 + ciArrayKlass* array_type() { return klass()->as_array_klass(); }
1.66 + ciType* element_type() { return array_type()->element_type(); }
1.67 + BasicType element_basic_type() { return element_type()->basic_type(); }
1.68 +
1.69 + // Current value of an element.
1.70 + // Returns T_ILLEGAL if there is no element at the given index.
1.71 + ciConstant element_value(int index);
1.72 +
1.73 + // Current value of an element at the specified offset.
1.74 + // Returns T_ILLEGAL if there is no element at the given offset.
1.75 + ciConstant element_value_by_offset(intptr_t element_offset);
1.76 +
1.77 + // What kind of ciObject is this?
1.78 + bool is_array() { return true; }
1.79 + bool is_java_object() { return true; }
1.80 +};
1.81 +
1.82 +#endif // SHARE_VM_CI_CIARRAY_HPP
