hotspot/src/share/vm/ci/ciArrayKlass.cpp
author twisti
Wed, 25 Aug 2010 05:27:54 -0700
changeset 6418 6671edbd230e
parent 5547 f4b087cbb361
child 7397 5b173b4ca846
permissions -rw-r--r--
6978355: renaming for 6961697 Summary: This is the renaming part of 6961697 to keep the actual changes small for review. Reviewed-by: kvn, never
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
     2
 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
5547
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    19
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    20
 * or visit www.oracle.com if you need additional information or have any
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1
diff changeset
    21
 * questions.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
#include "incls/_precompiled.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
#include "incls/_ciArrayKlass.cpp.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
// ciArrayKlass
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
// This class represents a klassOop in the HotSpot virtual machine
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
// whose Klass part in an arrayKlass.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
// ciArrayKlass::ciArrayKlass
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
// Loaded array klass.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
ciArrayKlass::ciArrayKlass(KlassHandle h_k) : ciKlass(h_k) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
  assert(get_Klass()->oop_is_array(), "wrong type");
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
  _dimension = get_arrayKlass()->dimension();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
// ciArrayKlass::ciArrayKlass
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
// Unloaded array klass.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass)
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
  : ciKlass(name, klass) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
  _dimension = dimension;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
// ciArrayKlass::element_type
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
// What type is obtained when this array is indexed once?
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
ciType* ciArrayKlass::element_type() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
  if (is_type_array_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
    return ciType::make(as_type_array_klass()->element_type());
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    59
    return as_obj_array_klass()->element_klass()->as_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    61
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    62
489c9b5090e2 Initial load
duke
parents:
diff changeset
    63
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
// ciArrayKlass::base_element_type
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
// What type is obtained when this array is indexed as many times as possible?
489c9b5090e2 Initial load
duke
parents:
diff changeset
    68
ciType* ciArrayKlass::base_element_type() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    69
  if (is_type_array_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    70
    return ciType::make(as_type_array_klass()->element_type());
489c9b5090e2 Initial load
duke
parents:
diff changeset
    71
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    72
    ciKlass* ek = as_obj_array_klass()->base_element_klass();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    73
    if (ek->is_type_array_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    74
      return ciType::make(ek->as_type_array_klass()->element_type());
489c9b5090e2 Initial load
duke
parents:
diff changeset
    75
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    76
    return ek;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    77
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    78
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    79
489c9b5090e2 Initial load
duke
parents:
diff changeset
    80
489c9b5090e2 Initial load
duke
parents:
diff changeset
    81
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    82
// ciArrayKlass::is_leaf_type
489c9b5090e2 Initial load
duke
parents:
diff changeset
    83
bool ciArrayKlass::is_leaf_type() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    84
  if (is_type_array_klass()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    85
    return true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    86
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    87
    return as_obj_array_klass()->base_element_klass()->is_leaf_type();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    88
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
    89
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    90
489c9b5090e2 Initial load
duke
parents:
diff changeset
    91
489c9b5090e2 Initial load
duke
parents:
diff changeset
    92
// ------------------------------------------------------------------
489c9b5090e2 Initial load
duke
parents:
diff changeset
    93
// ciArrayKlass::base_element_type
489c9b5090e2 Initial load
duke
parents:
diff changeset
    94
//
489c9b5090e2 Initial load
duke
parents:
diff changeset
    95
// What type is obtained when this array is indexed as many times as possible?
489c9b5090e2 Initial load
duke
parents:
diff changeset
    96
ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    97
  if (element_type->is_primitive_type()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    98
    return ciTypeArrayKlass::make(element_type->basic_type());
489c9b5090e2 Initial load
duke
parents:
diff changeset
    99
  } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   100
    return ciObjArrayKlass::make(element_type->as_klass());
489c9b5090e2 Initial load
duke
parents:
diff changeset
   101
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   102
}