/*

 * Copyright (c) 2016, 2018, 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_JFR_JNI_JFRJAVASUPPORT_HPP

#define SHARE_VM_JFR_JNI_JFRJAVASUPPORT_HPP

#include "jfr/jni/jfrJavaCall.hpp"

#include "utilities/exceptions.hpp"

class Klass;

class JavaThread;

class outputStream;

class JfrJavaSupport : public AllStatic {

 public:

  static jobject local_jni_handle(const oop obj, Thread* t);

  static jobject local_jni_handle(const jobject handle, Thread* t);

  static void destroy_local_jni_handle(const jobject handle);

  static jobject global_jni_handle(const oop obj, Thread* t);

  static jobject global_jni_handle(const jobject handle, Thread* t);

  static void destroy_global_jni_handle(const jobject handle);

  static oop resolve_non_null(jobject obj);

  static void notify_all(jobject obj, TRAPS);

  static void set_array_element(jobjectArray arr, jobject element, int index, Thread* t);

  // naked oop result

  static void call_static(JfrJavaArguments* args, TRAPS);

  static void call_special(JfrJavaArguments* args, TRAPS);

  static void call_virtual(JfrJavaArguments* args, TRAPS);

  static void set_field(JfrJavaArguments* args, TRAPS);

  static void get_field(JfrJavaArguments* args, TRAPS);

  static void new_object(JfrJavaArguments* args, TRAPS);

  // global jni handle result

  static void new_object_global_ref(JfrJavaArguments* args, TRAPS);

  static void get_field_global_ref(JfrJavaArguments* args, TRAPS);

  // local jni handle result

  static void new_object_local_ref(JfrJavaArguments* args, TRAPS);

  static void get_field_local_ref(JfrJavaArguments* args, TRAPS);

  static jstring new_string(const char* c_str, TRAPS);

  static jobjectArray new_string_array(int length, TRAPS);

  static jobject new_java_lang_Boolean(bool value, TRAPS);

  static jobject new_java_lang_Integer(jint value, TRAPS);

  static jobject new_java_lang_Long(jlong value, TRAPS);

  // misc

  static Klass* klass(const jobject handle);

  // caller needs ResourceMark

  static const char* c_str(jstring string, Thread* jt);

  // exceptions

  static void throw_illegal_state_exception(const char* message, TRAPS);

  static void throw_illegal_argument_exception(const char* message, TRAPS);

  static void throw_internal_error(const char* message, TRAPS);

  static void throw_out_of_memory_error(const char* message, TRAPS);

  static void throw_class_format_error(const char* message, TRAPS);

  static bool is_jdk_jfr_module_available();

  static bool is_jdk_jfr_module_available(outputStream* stream, TRAPS);

  static jlong jfr_thread_id(jobject target_thread);

  // critical

  static void abort(jstring errorMsg, TRAPS);

  static void uncaught_exception(jthrowable throwable, Thread* t);

  // asserts

  DEBUG_ONLY(static void check_java_thread_in_vm(Thread* t);)

  DEBUG_ONLY(static void check_java_thread_in_native(Thread* t);)

  enum CAUSE {

    VM_ERROR,

    OUT_OF_MEMORY,

    STACK_OVERFLOW,

    RUNTIME_EXCEPTION,

    UNKNOWN,

    NOF_CAUSES

  };

  static CAUSE cause();

 private:

  static CAUSE _cause;

  static void set_cause(jthrowable throwable, Thread* t);

};

#endif // SHARE_VM_JFR_JNI_JFRJAVASUPPORT_HPP