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1 /*
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2 * Copyright 1999-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 #include "incls/_precompiled.incl"
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26 #include "incls/_ciArrayKlass.cpp.incl"
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27
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28 // ciArrayKlass
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29 //
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30 // This class represents a klassOop in the HotSpot virtual machine
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31 // whose Klass part in an arrayKlass.
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32
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33 // ------------------------------------------------------------------
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34 // ciArrayKlass::ciArrayKlass
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35 //
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36 // Loaded array klass.
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37 ciArrayKlass::ciArrayKlass(KlassHandle h_k) : ciKlass(h_k) {
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38 assert(get_Klass()->oop_is_array(), "wrong type");
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39 _dimension = get_arrayKlass()->dimension();
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40 }
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41
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42 // ------------------------------------------------------------------
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43 // ciArrayKlass::ciArrayKlass
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44 //
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45 // Unloaded array klass.
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46 ciArrayKlass::ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass)
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47 : ciKlass(name, klass) {
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48 _dimension = dimension;
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49 }
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50
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51 // ------------------------------------------------------------------
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52 // ciArrayKlass::element_type
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53 //
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54 // What type is obtained when this array is indexed once?
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55 ciType* ciArrayKlass::element_type() {
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56 if (is_type_array_klass()) {
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57 return ciType::make(as_type_array_klass()->element_type());
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58 } else {
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59 return as_obj_array_klass()->element_klass()->as_klass();
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60 }
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61 }
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62
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63
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64 // ------------------------------------------------------------------
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65 // ciArrayKlass::base_element_type
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66 //
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67 // What type is obtained when this array is indexed as many times as possible?
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68 ciType* ciArrayKlass::base_element_type() {
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69 if (is_type_array_klass()) {
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70 return ciType::make(as_type_array_klass()->element_type());
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71 } else {
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72 ciKlass* ek = as_obj_array_klass()->base_element_klass();
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73 if (ek->is_type_array_klass()) {
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74 return ciType::make(ek->as_type_array_klass()->element_type());
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75 }
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76 return ek;
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77 }
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78 }
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79
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80
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81 // ------------------------------------------------------------------
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82 // ciArrayKlass::is_leaf_type
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83 bool ciArrayKlass::is_leaf_type() {
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84 if (is_type_array_klass()) {
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85 return true;
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86 } else {
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87 return as_obj_array_klass()->base_element_klass()->is_leaf_type();
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88 }
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89 }
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90
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91
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92 // ------------------------------------------------------------------
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93 // ciArrayKlass::base_element_type
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94 //
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95 // What type is obtained when this array is indexed as many times as possible?
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96 ciArrayKlass* ciArrayKlass::make(ciType* element_type) {
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97 if (element_type->is_primitive_type()) {
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98 return ciTypeArrayKlass::make(element_type->basic_type());
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99 } else {
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100 return ciObjArrayKlass::make(element_type->as_klass());
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101 }
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102 }
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