/*
 * Copyright (c) 2009, Wayne Meissner
 * All rights reserved.
 *
 * 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.
 * * The name of the author or authors may not 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.
 */

#ifndef RBFFI_FUNCTION_H
#define	RBFFI_FUNCTION_H

#ifdef	__cplusplus
extern "C" {
#endif

#include <stdbool.h>
#include <ffi.h>

typedef struct FunctionType_ FunctionType;

#include "Type.h"
#include "Call.h"
#include "ClosurePool.h"

struct FunctionType_ {
    Type type; // The native type of a FunctionInfo object
    VALUE rbReturnType;
    VALUE rbParameterTypes;

    Type* returnType;
    Type** parameterTypes;
    NativeType* nativeParameterTypes;
    ffi_type* ffiReturnType;
    ffi_type** ffiParameterTypes;
    ffi_cif ffi_cif;
    Invoker invoke;
    ClosurePool* closurePool;
    int parameterCount;
    int flags;
    ffi_abi abi;
    int callbackCount;
    VALUE* callbackParameters;
    VALUE rbEnums;
    bool ignoreErrno;
    bool blocking;
    bool hasStruct;
};

extern VALUE rbffi_FunctionTypeClass, rbffi_FunctionClass;

void rbffi_Function_Init(VALUE moduleFFI);
VALUE rbffi_Function_NewInstance(VALUE functionInfo, VALUE proc);
VALUE rbffi_Function_ForProc(VALUE cbInfo, VALUE proc);
void rbffi_FunctionInfo_Init(VALUE moduleFFI);

#ifdef	__cplusplus
}
#endif

#endif	/* RBFFI_FUNCTION_H */