src/share/vm/ci/ciMethodType.hpp

changeset 0
f90c822e73f8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/ci/ciMethodType.hpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,76 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef SHARE_VM_CI_CIMETHODTYPE_HPP
    1.29 +#define SHARE_VM_CI_CIMETHODTYPE_HPP
    1.30 +
    1.31 +#include "ci/ciInstance.hpp"
    1.32 +#include "ci/ciUtilities.hpp"
    1.33 +#include "classfile/javaClasses.hpp"
    1.34 +
    1.35 +// ciMethodType
    1.36 +//
    1.37 +// The class represents a java.lang.invoke.MethodType object.
    1.38 +class ciMethodType : public ciInstance {
    1.39 +private:
    1.40 +  ciType* class_to_citype(oop klass_oop) const {
    1.41 +    if (java_lang_Class::is_primitive(klass_oop)) {
    1.42 +      BasicType bt = java_lang_Class::primitive_type(klass_oop);
    1.43 +      return ciType::make(bt);
    1.44 +    } else {
    1.45 +      Klass* k = java_lang_Class::as_Klass(klass_oop);
    1.46 +      return CURRENT_ENV->get_klass(k);
    1.47 +    }
    1.48 +  }
    1.49 +
    1.50 +public:
    1.51 +  ciMethodType(instanceHandle h_i) : ciInstance(h_i) {}
    1.52 +
    1.53 +  // What kind of ciObject is this?
    1.54 +  bool is_method_type() const { return true; }
    1.55 +
    1.56 +  ciType* rtype() const {
    1.57 +    GUARDED_VM_ENTRY(
    1.58 +      oop rtype = java_lang_invoke_MethodType::rtype(get_oop());
    1.59 +      return class_to_citype(rtype);
    1.60 +    )
    1.61 +  }
    1.62 +
    1.63 +  int ptype_count() const {
    1.64 +    GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());)
    1.65 +  }
    1.66 +
    1.67 +  int ptype_slot_count() const {
    1.68 +    GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());)
    1.69 +  }
    1.70 +
    1.71 +  ciType* ptype_at(int index) const {
    1.72 +    GUARDED_VM_ENTRY(
    1.73 +      oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index);
    1.74 +      return class_to_citype(ptype);
    1.75 +    )
    1.76 +  }
    1.77 +};
    1.78 +
    1.79 +#endif // SHARE_VM_CI_CIMETHODTYPE_HPP

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