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/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef JERRYSCRIPT_COMPILER_H
#define JERRYSCRIPT_COMPILER_H
#ifdef __cplusplus
#define JERRY_C_API_BEGIN extern "C" {
#define JERRY_C_API_END }
#else /* !__cplusplus */
#define JERRY_C_API_BEGIN
#define JERRY_C_API_END
#endif /* __cplusplus */
JERRY_C_API_BEGIN
/** \addtogroup jerry-compiler Jerry compiler compatibility components
* @{
*/
#ifdef __GNUC__
/*
* Compiler-specific macros relevant for GCC.
*/
#define JERRY_ATTR_ALIGNED(ALIGNMENT) __attribute__ ((aligned (ALIGNMENT)))
#define JERRY_ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
#define JERRY_ATTR_CONST __attribute__ ((const))
#define JERRY_ATTR_DEPRECATED __attribute__ ((deprecated))
#define JERRY_ATTR_FORMAT(...) __attribute__ ((format (__VA_ARGS__)))
#define JERRY_ATTR_HOT __attribute__ ((hot))
#define JERRY_ATTR_NOINLINE __attribute__ ((noinline))
#define JERRY_ATTR_NORETURN __attribute__ ((noreturn))
#define JERRY_ATTR_PURE __attribute__ ((pure))
#define JERRY_ATTR_WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
#define JERRY_ATTR_WEAK __attribute__ ((weak))
#define JERRY_WEAK_SYMBOL_SUPPORT
#ifndef JERRY_LIKELY
#define JERRY_LIKELY(x) __builtin_expect (!!(x), 1)
#endif /* !JERRY_LIKELY */
#ifndef JERRY_UNLIKELY
#define JERRY_UNLIKELY(x) __builtin_expect (!!(x), 0)
#endif /* !JERRY_UNLIKELY */
#endif /* __GNUC__ */
#ifdef _MSC_VER
/*
* Compiler-specific macros relevant for Microsoft Visual C/C++ Compiler.
*/
#define JERRY_ATTR_DEPRECATED __declspec (deprecated)
#define JERRY_ATTR_NOINLINE __declspec (noinline)
#define JERRY_ATTR_NORETURN __declspec (noreturn)
/*
* Microsoft Visual C/C++ Compiler doesn't support for VLA, using _alloca
* instead.
*/
void *__cdecl _alloca (size_t _Size);
#define JERRY_VLA(type, name, size) type *name = (type *) (_alloca (sizeof (type) * (size)))
#endif /* _MSC_VER */
/*
* Default empty definitions for all compiler-specific macros. Define any of
* these in a guarded block above (e.g., as for GCC) to fine tune compilation
* for your own compiler. */
/**
* Function attribute to align function to given number of bytes.
*/
#ifndef JERRY_ATTR_ALIGNED
#define JERRY_ATTR_ALIGNED(ALIGNMENT)
#endif /* !JERRY_ATTR_ALIGNED */
/**
* Function attribute to inline function to all call sites.
*/
#ifndef JERRY_ATTR_ALWAYS_INLINE
#define JERRY_ATTR_ALWAYS_INLINE
#endif /* !JERRY_ATTR_ALWAYS_INLINE */
/**
* Function attribute to declare that function has no effect except the return
* value and it only depends on parameters.
*/
#ifndef JERRY_ATTR_CONST
#define JERRY_ATTR_CONST
#endif /* !JERRY_ATTR_CONST */
/**
* Function attribute to trigger warning if deprecated function is called.
*/
#ifndef JERRY_ATTR_DEPRECATED
#define JERRY_ATTR_DEPRECATED
#endif /* !JERRY_ATTR_DEPRECATED */
/**
* Function attribute to declare that function is variadic and takes a format
* string and some arguments as parameters.
*/
#ifndef JERRY_ATTR_FORMAT
#define JERRY_ATTR_FORMAT(...)
#endif /* !JERRY_ATTR_FORMAT */
/**
* Function attribute to predict that function is a hot spot, and therefore
* should be optimized aggressively.
*/
#ifndef JERRY_ATTR_HOT
#define JERRY_ATTR_HOT
#endif /* !JERRY_ATTR_HOT */
/**
* Function attribute not to inline function ever.
*/
#ifndef JERRY_ATTR_NOINLINE
#define JERRY_ATTR_NOINLINE
#endif /* !JERRY_ATTR_NOINLINE */
/**
* Function attribute to declare that function never returns.
*/
#ifndef JERRY_ATTR_NORETURN
#define JERRY_ATTR_NORETURN
#endif /* !JERRY_ATTR_NORETURN */
/**
* Function attribute to declare that function has no effect except the return
* value and it only depends on parameters and global variables.
*/
#ifndef JERRY_ATTR_PURE
#define JERRY_ATTR_PURE
#endif /* !JERRY_ATTR_PURE */
/**
* Function attribute to trigger warning if function's caller doesn't use (e.g.,
* check) the return value.
*/
#ifndef JERRY_ATTR_WARN_UNUSED_RESULT
#define JERRY_ATTR_WARN_UNUSED_RESULT
#endif /* !JERRY_ATTR_WARN_UNUSED_RESULT */
/**
* Function attribute to declare a function a weak symbol
*/
#ifndef JERRY_ATTR_WEAK
#define JERRY_ATTR_WEAK
#endif /* !JERRY_ATTR_WEAK */
/**
* Helper to predict that a condition is likely.
*/
#ifndef JERRY_LIKELY
#define JERRY_LIKELY(x) (x)
#endif /* !JERRY_LIKELY */
/**
* Helper to predict that a condition is unlikely.
*/
#ifndef JERRY_UNLIKELY
#define JERRY_UNLIKELY(x) (x)
#endif /* !JERRY_UNLIKELY */
/**
* Helper to declare (or mimic) a C99 variable-length array.
*/
#ifndef JERRY_VLA
#define JERRY_VLA(type, name, size) type name[size]
#endif /* !JERRY_VLA */
/**
* @}
*/
JERRY_C_API_END
#endif /* !JERRYSCRIPT_COMPILER_H */
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