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 #include "precompiled.hpp"
26 #include "ci/ciArrayKlass.hpp"
27 #include "ci/ciObjArrayKlass.hpp"
28 #include "ci/ciTypeArrayKlass.hpp"
29 #include "ci/ciUtilities.hpp"
30
31 // ciArrayKlass
32 //
33 // This class represents a Klass* in the HotSpot virtual machine
34 // whose Klass part in an ArrayKlass.
35
36 // ------------------------------------------------------------------
37 // ciArrayKlass::ciArrayKlass
38 //
39 // Loaded array klass.
40 ciArrayKlass::ciArrayKlass(Klass* k) : ciKlass(k) {
41 assert(get_Klass()->is_array_klass(), "wrong type");
42 _dimension = get_ArrayKlass()->dimension();
43 }
44
45 // ------------------------------------------------------------------
46 // ciArrayKlass::ciArrayKlass
47 //
48 // Unloaded array klass.
49 ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, BasicType bt)
50 : ciKlass(name, bt) {
51 _dimension = dimension;
52 }
53
54 // ------------------------------------------------------------------
55 // ciArrayKlass::element_type
56 //
57 // What type is obtained when this array is indexed once?
58 ciType* ciArrayKlass::element_type() {
59 if (is_type_array_klass()) {
60 return ciType::make(as_type_array_klass()->element_type());
61 } else {
62 return as_obj_array_klass()->element_klass()->as_klass();
63 }
64 }
65
66
67 // ------------------------------------------------------------------
68 // ciArrayKlass::base_element_type
69 //
70 // What type is obtained when this array is indexed as many times as possible?
71 ciType* ciArrayKlass::base_element_type() {
72 if (is_type_array_klass()) {
73 return ciType::make(as_type_array_klass()->element_type());
74 } else {
75 ciKlass* ek = as_obj_array_klass()->base_element_klass();
76 if (ek->is_type_array_klass()) {
77 return ciType::make(ek->as_type_array_klass()->element_type());
78 }
79 return ek;
80 }
81 }
82
83
84 // ------------------------------------------------------------------
85 // ciArrayKlass::is_leaf_type
86 bool ciArrayKlass::is_leaf_type() {
87 if (is_type_array_klass()) {
88 return true;
89 } else {
90 return as_obj_array_klass()->base_element_klass()->is_leaf_type();
91 }
92 }
93
94
95 // ------------------------------------------------------------------
96 // ciArrayKlass::base_element_type
97 //
98 // What type is obtained when this array is indexed as many times as possible?
99 ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
100 if (element_type->is_primitive_type()) {
101 return ciTypeArrayKlass::make(element_type->basic_type());
102 } else {
103 return ciObjArrayKlass::make(element_type->as_klass());
104 }
105 }
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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 #include "precompiled.hpp"
26 #include "ci/ciArrayKlass.hpp"
27 #include "ci/ciObjArrayKlass.hpp"
28 #include "ci/ciTypeArrayKlass.hpp"
29 #include "ci/ciUtilities.hpp"
30 #include "ci/ciValueArrayKlass.hpp"
31 #include "ci/ciValueKlass.hpp"
32
33 // ciArrayKlass
34 //
35 // This class represents a Klass* in the HotSpot virtual machine
36 // whose Klass part in an ArrayKlass.
37
38 // ------------------------------------------------------------------
39 // ciArrayKlass::ciArrayKlass
40 //
41 // Loaded array klass.
42 ciArrayKlass::ciArrayKlass(Klass* k) : ciKlass(k) {
43 assert(get_Klass()->is_array_klass(), "wrong type");
44 _dimension = get_ArrayKlass()->dimension();
45 }
46
47 // ------------------------------------------------------------------
48 // ciArrayKlass::ciArrayKlass
49 //
50 // Unloaded array klass.
51 ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, BasicType bt)
52 : ciKlass(name, bt) {
53 _dimension = dimension;
54 }
55
56 // ------------------------------------------------------------------
57 // ciArrayKlass::element_type
58 //
59 // What type is obtained when this array is indexed once?
60 ciType* ciArrayKlass::element_type() {
61 if (is_type_array_klass()) {
62 return ciType::make(as_type_array_klass()->element_type());
63 } else {
64 return element_klass()->as_klass();
65 }
66 }
67
68
69 // ------------------------------------------------------------------
70 // ciArrayKlass::base_element_type
71 //
72 // What type is obtained when this array is indexed as many times as possible?
73 ciType* ciArrayKlass::base_element_type() {
74 if (is_type_array_klass()) {
75 return ciType::make(as_type_array_klass()->element_type());
76 } else if (is_obj_array_klass()) {
77 ciKlass* ek = as_obj_array_klass()->base_element_klass();
78 if (ek->is_type_array_klass()) {
79 return ciType::make(ek->as_type_array_klass()->element_type());
80 }
81 return ek;
82 } else {
83 return as_value_array_klass()->base_element_klass();
84 }
85 }
86
87
88 // ------------------------------------------------------------------
89 // ciArrayKlass::is_leaf_type
90 bool ciArrayKlass::is_leaf_type() {
91 if (is_type_array_klass()) {
92 return true;
93 } else {
94 return as_obj_array_klass()->base_element_klass()->is_leaf_type();
95 }
96 }
97
98
99 // ------------------------------------------------------------------
100 // ciArrayKlass::base_element_type
101 //
102 // What type is obtained when this array is indexed as many times as possible?
103 ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
104 if (element_type->is_primitive_type()) {
105 return ciTypeArrayKlass::make(element_type->basic_type());
106 } else if (element_type->is_valuetype() && element_type->as_value_klass()->flatten_array()) {
107 return ciValueArrayKlass::make(element_type->as_klass());
108 } else {
109 return ciObjArrayKlass::make(element_type->as_klass());
110 }
111 }
112
113 int ciArrayKlass::array_header_in_bytes() {
114 return get_ArrayKlass()->array_header_in_bytes();
115 }
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