src/share/vm/ci/ciInstance.hpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/ci/ciInstance.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,61 @@
     1.4 +/*
     1.5 + * Copyright 1999-2005 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +// ciInstance
    1.29 +//
    1.30 +// This class represents an instanceOop in the HotSpot virtual
    1.31 +// machine.  This is an oop which corresponds to a non-array
    1.32 +// instance of java.lang.Object.
    1.33 +class ciInstance : public ciObject {
    1.34 +  CI_PACKAGE_ACCESS
    1.35 +
    1.36 +protected:
    1.37 +  ciInstance(instanceHandle h_i) : ciObject(h_i) {
    1.38 +    assert(h_i()->is_instance(), "wrong type");
    1.39 +  }
    1.40 +
    1.41 +  ciInstance(ciKlass* klass) : ciObject(klass) {}
    1.42 +
    1.43 +  instanceOop get_instanceOop() { return (instanceOop)get_oop(); }
    1.44 +
    1.45 +  const char* type_string() { return "ciInstance"; }
    1.46 +
    1.47 +  void print_impl(outputStream* st);
    1.48 +
    1.49 +public:
    1.50 +  // If this object is a java mirror, return the corresponding type.
    1.51 +  // Otherwise, return NULL.
    1.52 +  // (Remember that a java mirror is an instance of java.lang.Class.)
    1.53 +  ciType* java_mirror_type();
    1.54 +
    1.55 +  // What kind of ciObject is this?
    1.56 +  bool is_instance()     { return true; }
    1.57 +  bool is_java_object()  { return true; }
    1.58 +
    1.59 +  // Constant value of a field.
    1.60 +  ciConstant field_value(ciField* field);
    1.61 +
    1.62 +  // Constant value of a field at the specified offset.
    1.63 +  ciConstant field_value_by_offset(int field_offset);
    1.64 +};

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