1 /*
2 * Copyright (c) 1999, 2013, 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 *
36 //
37 // This class represents an arrayOop in the HotSpot virtual
38 // machine.
39 class ciArray : public ciObject {
40 private:
41 int _length;
42
43 protected:
44 ciArray( arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
45 ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
46 ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
47
48 ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {}
49
50 arrayOop get_arrayOop() const { return (arrayOop)get_oop(); }
51
52 const char* type_string() { return "ciArray"; }
53
54 void print_impl(outputStream* st);
55
56 ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index);
57
58 public:
59 int length() { return _length; }
60
61 // Convenience routines.
62 ciArrayKlass* array_type() { return klass()->as_array_klass(); }
63 ciType* element_type() { return array_type()->element_type(); }
64 BasicType element_basic_type() { return element_type()->basic_type(); }
65
66 // Current value of an element.
67 // Returns T_ILLEGAL if there is no element at the given index.
68 ciConstant element_value(int index);
69
70 // Current value of an element at the specified offset.
71 // Returns T_ILLEGAL if there is no element at the given offset.
72 ciConstant element_value_by_offset(intptr_t element_offset);
73
74 // What kind of ciObject is this?
75 bool is_array() { return true; }
76 bool is_java_object() { return true; }
77 };
78
79 #endif // SHARE_VM_CI_CIARRAY_HPP
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1 /*
2 * Copyright (c) 1999, 2016, 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 *
36 //
37 // This class represents an arrayOop in the HotSpot virtual
38 // machine.
39 class ciArray : public ciObject {
40 private:
41 int _length;
42
43 protected:
44 ciArray( arrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
45 ciArray( objArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
46 ciArray(typeArrayHandle h_a) : ciObject(h_a), _length(h_a()->length()) {}
47
48 ciArray(ciKlass* klass, int len) : ciObject(klass), _length(len) {}
49
50 arrayOop get_arrayOop() const { return (arrayOop)get_oop(); }
51
52 const char* type_string() { return "ciArray"; }
53
54 void print_impl(outputStream* st);
55
56 ciConstant element_value_impl(BasicType elembt, arrayOop ary, int index, bool mismatched);
57
58 public:
59 int length() { return _length; }
60
61 // Convenience routines.
62 ciArrayKlass* array_type() { return klass()->as_array_klass(); }
63 ciType* element_type() { return array_type()->element_type(); }
64 BasicType element_basic_type() { return element_type()->basic_type(); }
65
66 // Current value of an element.
67 // Returns T_ILLEGAL if there is no element at the given index.
68 ciConstant element_value(int index);
69
70 // Current value of an element with support for mismatched accesses.
71 ciConstant element_value(int index, BasicType elembt);
72
73 // Current value of an element at the specified offset.
74 // Returns T_ILLEGAL if there is no element at the given offset.
75 ciConstant element_value_by_offset(intptr_t element_offset);
76
77 // What kind of ciObject is this?
78 bool is_array() { return true; }
79 bool is_java_object() { return true; }
80 };
81
82 #endif // SHARE_VM_CI_CIARRAY_HPP
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