mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
a8f2d31bca
Added `handler` module to `jerry-ext` to contain implementation of commonly used external function handlers: `assert`, `gc`, and `print`. Also adapted jerry-main to use jerry-ext/handler JerryScript-DCO-1.0-Signed-off-by: Akos Kiss akiss@inf.u-szeged.hu
162 lines
4.5 KiB
C
162 lines
4.5 KiB
C
/* 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_PORT_H
|
|
#define JERRYSCRIPT_PORT_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif /* __cplusplus */
|
|
|
|
/** \addtogroup jerry_port Jerry engine port
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* Termination Port API
|
|
*
|
|
* Note:
|
|
* It is questionable whether a library should be able to terminate an
|
|
* application. However, as of now, we only have the concept of completion
|
|
* code around jerry_parse and jerry_run. Most of the other API functions
|
|
* have no way of signaling an error. So, we keep the termination approach
|
|
* with this port function.
|
|
*/
|
|
|
|
/**
|
|
* Error codes
|
|
*/
|
|
typedef enum
|
|
{
|
|
ERR_OUT_OF_MEMORY = 10,
|
|
ERR_SYSCALL = 11,
|
|
ERR_REF_COUNT_LIMIT = 12,
|
|
ERR_FAILED_INTERNAL_ASSERTION = 120
|
|
} jerry_fatal_code_t;
|
|
|
|
/**
|
|
* Signal the port that jerry experienced a fatal failure from which it cannot
|
|
* recover.
|
|
*
|
|
* @param code gives the cause of the error.
|
|
*
|
|
* Note:
|
|
* Jerry expects the function not to return.
|
|
*
|
|
* Example: a libc-based port may implement this with exit() or abort(), or both.
|
|
*/
|
|
void jerry_port_fatal (jerry_fatal_code_t code) __attribute__((noreturn));
|
|
|
|
/*
|
|
* I/O Port API
|
|
*/
|
|
|
|
/**
|
|
* Jerry log levels. The levels are in severity order
|
|
* where the most serious levels come first.
|
|
*/
|
|
typedef enum
|
|
{
|
|
JERRY_LOG_LEVEL_ERROR, /**< the engine will terminate after the message is printed */
|
|
JERRY_LOG_LEVEL_WARNING, /**< a request is aborted, but the engine continues its operation */
|
|
JERRY_LOG_LEVEL_DEBUG, /**< debug messages from the engine, low volume */
|
|
JERRY_LOG_LEVEL_TRACE /**< detailed info about engine internals, potentially high volume */
|
|
} jerry_log_level_t;
|
|
|
|
/**
|
|
* Display or log a debug/error message. The function should implement a printf-like
|
|
* interface, where the first argument specifies the log level
|
|
* and the second argument specifies a format string on how to stringify the rest
|
|
* of the parameter list.
|
|
*
|
|
* This function is only called with messages coming from the jerry engine as
|
|
* the result of some abnormal operation or describing its internal operations
|
|
* (e.g., data structure dumps or tracing info).
|
|
*
|
|
* It should be the port that decides whether error and debug messages are logged to
|
|
* the console, or saved to a database or to a file.
|
|
*
|
|
* Example: a libc-based port may implement this with vfprintf(stderr) or
|
|
* vfprintf(logfile), or both, depending on log level.
|
|
*/
|
|
void jerry_port_log (jerry_log_level_t level, const char *format, ...) __attribute__ ((format (printf, 2, 3)));
|
|
|
|
/*
|
|
* Date Port API
|
|
*/
|
|
|
|
/**
|
|
* Jerry time zone structure
|
|
*/
|
|
typedef struct
|
|
{
|
|
int offset; /**< minutes from west */
|
|
int daylight_saving_time; /**< daylight saving time (1 - DST applies, 0 - not on DST) */
|
|
} jerry_time_zone_t;
|
|
|
|
/**
|
|
* Get timezone and daylight saving data
|
|
*
|
|
* @return true - if success
|
|
* false - otherwise
|
|
*/
|
|
bool jerry_port_get_time_zone (jerry_time_zone_t *tz_p);
|
|
|
|
/**
|
|
* Get system time
|
|
*
|
|
* @return milliseconds since Unix epoch
|
|
*/
|
|
double jerry_port_get_current_time (void);
|
|
|
|
/*
|
|
* JobQueue Port API
|
|
*/
|
|
|
|
/**
|
|
* Jerry job handler function type
|
|
*/
|
|
typedef uint32_t (*jerry_job_handler_t) (void *);
|
|
|
|
/**
|
|
* Enqueue a job described by a pair of function and data pointers. The port is
|
|
* expected to call the handler function with the given data at some (later)
|
|
* point of time.
|
|
*
|
|
* @param handler the pointer of the handler function associated with the job.
|
|
* @param job_p the data pointer to be passed to handler when called.
|
|
*
|
|
* Note:
|
|
* This port function is only called by the implementation of the Promise
|
|
* builtin (mandated by the ES2015 standard). If the engine is built with
|
|
* Promise disabled (e.g., with ES5.1 profile), then the port does not have
|
|
* to implement this function.
|
|
*/
|
|
void jerry_port_jobqueue_enqueue (jerry_job_handler_t handler, void *job_p);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
#endif /* !JERRYSCRIPT_PORT_H */
|