Mercurial > hg > truffle
diff src/share/vm/ci/ciMethodType.hpp @ 6822:f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
Reviewed-by: jrose, kvn
author | twisti |
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date | Mon, 01 Oct 2012 14:50:10 -0700 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/ci/ciMethodType.hpp Mon Oct 01 14:50:10 2012 -0700 @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#ifndef SHARE_VM_CI_CIMETHODTYPE_HPP +#define SHARE_VM_CI_CIMETHODTYPE_HPP + +#include "ci/ciInstance.hpp" +#include "ci/ciUtilities.hpp" +#include "classfile/javaClasses.hpp" + +// ciMethodType +// +// The class represents a java.lang.invoke.MethodType object. +class ciMethodType : public ciInstance { +private: + ciType* class_to_citype(oop klass_oop) const { + if (java_lang_Class::is_primitive(klass_oop)) { + BasicType bt = java_lang_Class::primitive_type(klass_oop); + return ciType::make(bt); + } else { + Klass* k = java_lang_Class::as_Klass(klass_oop); + return CURRENT_ENV->get_klass(k); + } + } + +public: + ciMethodType(instanceHandle h_i) : ciInstance(h_i) {} + + // What kind of ciObject is this? + bool is_method_type() const { return true; } + + ciType* rtype() const { + GUARDED_VM_ENTRY( + oop rtype = java_lang_invoke_MethodType::rtype(get_oop()); + return class_to_citype(rtype); + ) + } + + int ptype_count() const { + GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());) + } + + int ptype_slot_count() const { + GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());) + } + + ciType* ptype_at(int index) const { + GUARDED_VM_ENTRY( + oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index); + return class_to_citype(ptype); + ) + } +}; + +#endif // SHARE_VM_CI_CIMETHODTYPE_HPP