/*----------------------------------------------------------------------------*/
/*                                                                            */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved.             */
/* Copyright (c) 2005-2014 Rexx Language Association. All rights reserved.    */
/*                                                                            */
/* This program and the accompanying materials are made available under       */
/* the terms of the Common Public License v1.0 which accompanies this         */
/* distribution. A copy is also available at the following address:           */
/* https://www.oorexx.org/license.html                                        */
/*                                                                            */
/* Redistribution and use in source and binary forms, with or                 */
/* without modification, are permitted provided that the following            */
/* conditions are met:                                                        */
/*                                                                            */
/* Redistributions of source code must retain the above copyright             */
/* notice, this list of conditions and the following disclaimer.              */
/* Redistributions in binary form must reproduce the above copyright          */
/* notice, this list of conditions and the following disclaimer in            */
/* the documentation and/or other materials provided with the distribution.   */
/*                                                                            */
/* Neither the name of Rexx Language Association nor the names                */
/* of its contributors may be used to endorse or promote products             */
/* derived from this software without specific prior written permission.      */
/*                                                                            */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS        */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT          */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS          */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT   */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,      */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED   */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,        */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY     */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING    */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS         */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.               */
/*                                                                            */
/*----------------------------------------------------------------------------*/
/******************************************************************************/
/* REXX API support                                                           */
/*                                                                            */
/* Stub functions for all APIs accessed via the RexxInstance structure        */
/*                                                                            */
/******************************************************************************/

#include "RexxCore.h"
#include "ContextApi.hpp"
#include "InterpreterInstance.hpp"
#include "Interpreter.hpp"

BEGIN_EXTERN_C()

void RexxEntry Terminate(RexxInstance  *c)
{
    InstanceApiContext context(c);
    context.instance->terminate();
    // terminate and clean up the interpreter runtime.  This only works
    // if there are no active instances
    Interpreter::terminateInterpreter();
}

logical_t RexxEntry AttachThread(RexxInstance *c, RexxThreadContext **tc)
{
    InstanceApiContext context(c);
    return (context.instance->attachThread(*tc) == 0);
}

void RexxEntry Halt(RexxInstance *c)
{
    InstanceApiContext context(c);
    context.instance->haltAllActivities(OREF_NULL);
}

void RexxEntry SetTrace(RexxInstance *c, logical_t setting)
{
    InstanceApiContext context(c);
    context.instance->traceAllActivities(setting != 0);
}

size_t RexxEntry InterpreterVersion(RexxInstance *)
{
    return Interpreter::getInterpreterVersion();
}

size_t RexxEntry LanguageLevel(RexxInstance *)
{
    return Interpreter::getLanguageLevel();
}

void RexxEntry AddCommandEnvironment(RexxInstance *c, const char *name, REXXPFN handler, int type)
{
    InstanceApiContext context(c);

    if (type == DIRECT_COMMAND_ENVIRONMENT)
    {
        context.instance->addCommandHandler(name, handler, HandlerType::DIRECT);
    }
    else if (type == REDIRECTING_COMMAND_ENVIRONMENT)
    {
        context.instance->addCommandHandler(name, handler, HandlerType::REDIRECTING);
    }
}

END_EXTERN_C()


RexxInstanceInterface InterpreterInstance::interfaceVector =
{
    INSTANCE_INTERFACE_VERSION,
    Terminate,
    AttachThread,
    InterpreterVersion,
    LanguageLevel,
    Halt,
    SetTrace,
    AddCommandEnvironment,
};
