macros.h

/* -*- mode: C; c-basic-offset: 4; intent-tabs-mode: nil -*-
 *
 * Sifteo SDK
 *
 * Copyright <c> 2012 Sifteo, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#pragma once
#ifdef NOT_USERSPACE
#   error This is a userspace-only header, not allowed by the current build.
#endif

#include <sifteo/abi.h>

#define NOINLINE        __attribute__ ((noinline))

#define ALWAYS_INLINE   __attribute__ ((always_inline))

#define STRINGIFY(_x)   #_x

#define TOSTRING(_x)    STRINGIFY(_x)

#define SRCLINE         __FILE__ ":" TOSTRING(__LINE__)

#define DEBUG_ONLY(_x) \
do { \
    if (_SYS_lti_isDebug()) { \
        _x \
    } \
} while (0)

#ifdef NO_LOG
#   define LOG(...)
#else

#   define LOG(...) \
do { \
    if (_SYS_lti_isDebug()) \
        _SYS_lti_log(__VA_ARGS__); \
} while (0)
#endif

#ifdef NO_ASSERT
#   define ASSERT(_x)
#else

#   define ASSERT(_x) \
do { \
    if (_SYS_lti_isDebug() && !(_x)) { \
        _SYS_lti_log("ASSERT failure at %s:%d, (%s)\n", __FILE__, __LINE__, #_x); \
        _SYS_abort(); \
    } \
} while (0)
#endif

#define SCRIPT_TYPE(_type) \
do { \
    _SYS_log((_SYS_SCRIPT_ ## _type) | (_SYS_LOGTYPE_SCRIPT << 27), \
        0,0,0,0,0,0,0); \
} while (0)

#define SCRIPT(_type, _code) \
do { \
    if (_SYS_lti_isDebug()) { \
        SCRIPT_TYPE(_type); \
        _SYS_lti_log("%s", #_code); \
        SCRIPT_TYPE(NONE); \
    } \
} while (0)

#define SCRIPT_FMT(_type, ...) \
do { \
    if (_SYS_lti_isDebug()) { \
        SCRIPT_TYPE(_type); \
        _SYS_lti_log(__VA_ARGS__); \
        SCRIPT_TYPE(NONE); \
    } \
} while (0)

#define LOG_INT(_x)     LOG("%s = %d\n", #_x, (_x));

#define LOG_HEX(_x)     LOG("%s = 0x%08x\n", #_x, (_x));

#define LOG_FLOAT(_x)   LOG("%s = %f\n", #_x, (_x));

#define LOG_STR(_x)     LOG("%s = \"%s\"\n", #_x, (const char*)(_x));

#define LOG_INT2(_x)    LOG("%s = (%d, %d)\n", #_x, (_x).x, (_x).y);

#define LOG_INT3(_x)    LOG("%s = (%d, %d, %d)\n", #_x, (_x).x, (_x).y, (_x).z);

#define LOG_FLOAT2(_x)  LOG("%s = (%f, %f)\n", #_x, (_x).x, (_x).y);

#define STATIC_ASSERT(_x)  ((void)sizeof(char[1 - 2*!(_x)]))

#ifndef MIN
#define MIN(a,b)   ((a) < (b) ? (a) : (b))
#define MAX(a,b)   ((a) > (b) ? (a) : (b))
#endif

#ifndef NULL
#define NULL 0
#endif

#ifndef arraysize
#define arraysize(a)   (sizeof(a) / sizeof((a)[0]))
#endif

#ifndef offsetof
#define offsetof(t,m)  ((uintptr_t)(uint8_t*)&(((t*)0)->m))
#endif