Tue, 23 Nov 2010 13:22:55 -0800
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
1 /*
2 * Copyright (c) 1999, 2010, 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 */
25 #ifndef SHARE_VM_CI_CIKLASS_HPP
26 #define SHARE_VM_CI_CIKLASS_HPP
28 #include "ci/ciType.hpp"
29 #include "oops/klassOop.hpp"
31 // ciKlass
32 //
33 // This class and its subclasses represent klassOops in the
34 // HotSpot virtual machine. In the vm, each klassOop contains an
35 // embedded Klass object. ciKlass is subclassed to explicitly
36 // represent the kind of Klass embedded in the klassOop. For
37 // example, a klassOop with an embedded objArrayKlass object is
38 // represented in the ciObject hierarchy by the class
39 // ciObjArrayKlass.
40 class ciKlass : public ciType {
41 CI_PACKAGE_ACCESS
42 friend class ciEnv;
43 friend class ciField;
44 friend class ciMethod;
45 friend class ciObjArrayKlass;
47 private:
48 ciSymbol* _name;
49 jint _layout_helper;
51 protected:
52 ciKlass(KlassHandle k_h, ciSymbol* name);
53 ciKlass(ciSymbol* name, ciKlass* klass);
55 klassOop get_klassOop() const {
56 klassOop k = (klassOop)get_oop();
57 assert(k != NULL, "illegal use of unloaded klass");
58 return k;
59 }
61 Klass* get_Klass() const { return get_klassOop()->klass_part(); }
63 // Certain subklasses have an associated class loader.
64 virtual oop loader() { return NULL; }
65 virtual jobject loader_handle() { return NULL; }
67 virtual oop protection_domain() { return NULL; }
68 virtual jobject protection_domain_handle() { return NULL; }
70 const char* type_string() { return "ciKlass"; }
72 void print_impl(outputStream* st);
74 public:
75 ciKlass(KlassHandle k_h);
77 // What is the name of this klass?
78 ciSymbol* name() const { return _name; }
80 // What is its layout helper value?
81 jint layout_helper() { return _layout_helper; }
83 bool is_subtype_of(ciKlass* klass);
84 bool is_subclass_of(ciKlass* klass);
85 juint super_depth();
86 juint super_check_offset();
87 ciKlass* super_of_depth(juint i);
88 bool can_be_primary_super();
89 static juint primary_super_limit() { return Klass::primary_super_limit(); }
91 // Get the shared parent of two klasses.
92 ciKlass* least_common_ancestor(ciKlass* k);
94 virtual bool is_interface() {
95 return false;
96 }
98 virtual bool is_abstract() {
99 return false;
100 }
102 // Does this type (array, class, interface) have no subtypes?
103 virtual bool is_leaf_type() {
104 return false;
105 }
107 // Attempt to get a klass using this ciKlass's loader.
108 ciKlass* find_klass(ciSymbol* klass_name);
109 // Note: To find a class from its name string, use ciSymbol::make,
110 // but consider adding to vmSymbols.hpp instead.
112 // Get the instance of java.lang.Class corresponding to this klass.
113 ciInstance* java_mirror();
115 // Fetch Klass::modifier_flags.
116 jint modifier_flags();
118 // Fetch Klass::access_flags.
119 jint access_flags();
121 // What kind of ciObject is this?
122 bool is_klass() { return true; }
124 void print_name_on(outputStream* st);
125 };
127 #endif // SHARE_VM_CI_CIKLASS_HPP