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https://github.com/jerryscript-project/jerryscript.git
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838e74df0f
Fixes #1791. JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
154 lines
4.3 KiB
C
154 lines
4.3 KiB
C
/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef JRT_H
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#define JRT_H
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#include <stdio.h>
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#include <string.h>
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#include "jerryscript-port.h"
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#include "jrt-types.h"
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/*
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* Attributes
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*/
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#define __noreturn __attribute__((noreturn))
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#define __attr_noinline___ __attribute__((noinline))
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#define __attr_return_value_should_be_checked___ __attribute__((warn_unused_result))
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#define __attr_hot___ __attribute__((hot))
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#ifndef __attr_always_inline___
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#define __attr_always_inline___ __attribute__((always_inline))
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#endif /* !__attr_always_inline___ */
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#ifndef __attr_const___
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#define __attr_const___ __attribute__((const))
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#endif /* !__attr_const___ */
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#ifndef __attr_pure___
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#define __attr_pure___ __attribute__((pure))
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#endif /* !__attr_pure___ */
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/*
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* Conditions' likeliness, unlikeliness.
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*/
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#ifdef __GNUC__
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#else /* !__GNUC__ */
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#define likely(x) (x)
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#define unlikely(x) (x)
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#endif /* __GNUC__ */
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/*
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* Normally compilers store const(ant)s in ROM. Thus saving RAM.
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* But if your compiler does not support it then the directive below can force it.
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*
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* For the moment it is mainly meant for the following targets:
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* - ESP8266
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*/
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#ifndef JERRY_CONST_DATA
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# define JERRY_CONST_DATA
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#endif /* JERRY_CONST_DATA */
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/*
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* Constants
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*/
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#define JERRY_BITSINBYTE 8
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/*
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* Make sure unused parameters, variables, or expressions trigger no compiler warning.
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*/
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#define JERRY_UNUSED(x) ((void) (x))
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/*
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* Asserts
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*
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* Warning:
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* Don't use JERRY_STATIC_ASSERT in headers, because
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* __LINE__ may be the same for asserts in a header
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* and in an implementation file.
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*/
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#define JERRY_STATIC_ASSERT_GLUE_(a, b, c) a ## b ## _ ## c
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#define JERRY_STATIC_ASSERT_GLUE(a, b, c) JERRY_STATIC_ASSERT_GLUE_ (a, b, c)
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#define JERRY_STATIC_ASSERT(x, msg) \
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enum { JERRY_STATIC_ASSERT_GLUE (static_assertion_failed_, __LINE__, msg) = 1 / (!!(x)) }
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#ifndef JERRY_NDEBUG
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void __noreturn jerry_assert_fail (const char *assertion, const char *file, const char *function, const uint32_t line);
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void __noreturn jerry_unreachable (const char *file, const char *function, const uint32_t line);
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#define JERRY_ASSERT(x) \
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do \
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{ \
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if (unlikely (!(x))) \
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{ \
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jerry_assert_fail (#x, __FILE__, __func__, __LINE__); \
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} \
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} while (0)
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#define JERRY_UNREACHABLE() \
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do \
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{ \
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jerry_unreachable (__FILE__, __func__, __LINE__); \
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} while (0)
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#else /* JERRY_NDEBUG */
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#define JERRY_ASSERT(x) \
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do \
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{ \
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if (false) \
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{ \
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JERRY_UNUSED (x); \
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} \
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} while (0)
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#ifdef __GNUC__
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#define JERRY_UNREACHABLE() __builtin_unreachable ()
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#else /* !__GNUC__ */
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#define JERRY_UNREACHABLE()
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#endif /* __GNUC__ */
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#endif /* !JERRY_NDEBUG */
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/**
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* Exit on fatal error
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*/
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void __noreturn jerry_fatal (jerry_fatal_code_t code);
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/*
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* Logging
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*/
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#define JERRY_ERROR_MSG(...) jerry_port_log (JERRY_LOG_LEVEL_ERROR, __VA_ARGS__)
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#define JERRY_WARNING_MSG(...) jerry_port_log (JERRY_LOG_LEVEL_WARNING, __VA_ARGS__)
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#define JERRY_DEBUG_MSG(...) jerry_port_log (JERRY_LOG_LEVEL_DEBUG, __VA_ARGS__)
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#define JERRY_TRACE_MSG(...) jerry_port_log (JERRY_LOG_LEVEL_TRACE, __VA_ARGS__)
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/**
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* Size of struct member
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*/
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#define JERRY_SIZE_OF_STRUCT_MEMBER(struct_name, member_name) sizeof (((struct_name *) NULL)->member_name)
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/**
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* Aligns @a value to @a alignment. @a must be the power of 2.
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*
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* Returns minimum positive value, that divides @a alignment and is more than or equal to @a value
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*/
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#define JERRY_ALIGNUP(value, alignment) (((value) + ((alignment) - 1)) & ~((alignment) - 1))
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/*
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* min, max
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*/
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#define JERRY_MIN(v1, v2) (((v1) < (v2)) ? (v1) : (v2))
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#define JERRY_MAX(v1, v2) (((v1) < (v2)) ? (v2) : (v1))
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#endif /* !JRT_H */
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