Restore esp-idf port (#4828)

This also cleans up all the files, moving them into a single file for
the port itself and module support respectively.

JerryScript-DCO-1.0-Signed-off-by: Jacques Germishuys jacques@beakbooklimited.com
This commit is contained in:
Jacques Germishuys 2021-11-23 12:13:50 +00:00 committed by GitHub
parent a7d5594d30
commit 06b4c02204
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 585 additions and 410 deletions

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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.
*/
#include <stdlib.h>
#include <sys/time.h>
#include "jerryscript-port.h"
/**
* Default implementation of jerry_port_get_local_time_zone_adjustment. Uses the 'tm_gmtoff' field
* of 'struct tm' (a GNU extension) filled by 'localtime_r' if available on the
* system, does nothing otherwise.
*
* @return offset between UTC and local time at the given unix timestamp, if
* available. Otherwise, returns 0, assuming UTC time.
*/
double jerry_port_get_local_time_zone_adjustment (double unix_ms, /**< ms since unix epoch */
bool is_utc) /**< is the time above in UTC? */
{
struct tm tm;
char buf[8];
time_t now = (time_t) (unix_ms / 1000);
localtime_r (&now, &tm);
if (!is_utc)
{
strftime(buf, 8, "%z", &tm);
now -= -atof(buf) * 3600 * 1000 / 100;
localtime_r (&now, &tm);
}
strftime(buf, 8, "%z", &tm);
return -atof(buf) * 3600 * 1000 / 100;
} /* jerry_port_get_local_time_zone_adjustment */
/**
* Default implementation of jerry_port_get_current_time. Uses 'gettimeofday' if
* available on the system, does nothing otherwise.
*
* @return milliseconds since Unix epoch - if 'gettimeofday' is available and
* executed successfully,
* 0 - otherwise.
*/
double jerry_port_get_current_time (void)
{
struct timeval tv;
if (gettimeofday (&tv, NULL) == 0)
{
return ((double) tv.tv_sec) * 1000.0 + ((double) tv.tv_usec) / 1000.0;
}
return 0.0;
} /* jerry_port_get_current_time */

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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.
*/
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "jerryscript-port.h"
/**
* Default implementation of jerry_port_sleep. Uses 'nanosleep' or 'usleep' if
* available on the system, does nothing otherwise.
*/
void jerry_port_sleep (uint32_t sleep_time) /**< milliseconds to sleep */
{
vTaskDelay( sleep_time / portTICK_PERIOD_MS);
} /* jerry_port_sleep */

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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.
*/
#include "jerryscript-port.h"
/**
* Pointer to the current context.
* Note that it is a global variable, and is not a thread safe implementation.
* But I don't see how jerryscript can make that thread-safe, only the appication can
*/
static jerry_context_t *current_context_p = NULL;
/**
* Set the current_context_p as the passed pointer.
*/
void
jerry_port_default_set_current_context (jerry_context_t *context_p) /**< points to the created context */
{
current_context_p = context_p;
} /* jerry_port_default_set_current_context */
/**
* Get the current context.
*
* @return the pointer to the current context
*/
jerry_context_t *
jerry_port_get_current_context (void)
{
return current_context_p;
} /* jerry_port_get_current_context */

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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.
*/
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_log.h"
#include "jerryscript-port.h"
static const char TAG[] = "JS";
/**
* Default implementation of jerry_port_fatal. Calls 'abort' if exit code is
* non-zero, 'exit' otherwise.
*/
void jerry_port_fatal (jerry_fatal_code_t code) /**< cause of error */
{
ESP_LOGE(TAG, "Fatal error %d", code);
vTaskSuspend(NULL);
abort();
} /* jerry_port_fatal */

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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.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "esp_log.h"
#include "jerryscript-port.h"
#include "jerryscript-debugger.h"
static const char TAG[] = "JS";
static esp_log_level_t crosslog(jerry_log_level_t level)
{
switch(level)
{
case JERRY_LOG_LEVEL_ERROR: return ESP_LOG_ERROR;
case JERRY_LOG_LEVEL_WARNING: return ESP_LOG_WARN;
case JERRY_LOG_LEVEL_DEBUG: return ESP_LOG_DEBUG;
case JERRY_LOG_LEVEL_TRACE: return ESP_LOG_VERBOSE;
}
return ESP_LOG_NONE;
}
/**
* Actual log level
*/
static jerry_log_level_t jerry_port_default_log_level = JERRY_LOG_LEVEL_ERROR;
/**
* Get the log level
*
* @return current log level
*/
jerry_log_level_t
jerry_port_default_get_log_level (void)
{
return jerry_port_default_log_level;
} /* jerry_port_default_get_log_level */
/**
* Set the log level
*/
void
jerry_port_default_set_log_level (jerry_log_level_t level) /**< log level */
{
jerry_port_default_log_level = level;
} /* jerry_port_default_set_log_level */
/**
* Default implementation of jerry_port_log. Prints log message to the standard
* error with 'vfprintf' if message log level is less than or equal to the
* current log level.
*
* If debugger support is enabled, printing happens first to an in-memory buffer,
* which is then sent both to the standard error and to the debugger client.
*/
void
jerry_port_log (jerry_log_level_t level, /**< message log level */
const char *format, /**< format string */
...) /**< parameters */
{
if (level <= jerry_port_default_log_level)
{
va_list args;
va_start (args, format);
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
int length = vsnprintf (NULL, 0, format, args);
va_end (args);
va_start (args, format);
JERRY_VLA (char, buffer, length + 1);
vsnprintf (buffer, (size_t) length + 1, format, args);
esp_log_write(crosslog(level), TAG, buffer);
jerry_debugger_send_log (level, (jerry_char_t *) buffer, (jerry_size_t) length);
#else /* If jerry-debugger isn't defined, libc is turned on */
esp_log_writev(crosslog(level), TAG, format, args);
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
va_end (args);
}
} /* jerry_port_log */
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
#define DEBUG_BUFFER_SIZE (256)
static char debug_buffer[DEBUG_BUFFER_SIZE];
static int debug_buffer_index = 0;
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
/**
* Default implementation of jerry_port_print_char. Uses 'putchar' to
* print a single character to standard output.
*/
void
jerry_port_print_char (char c) /**< the character to print */
{
putchar(c);
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
debug_buffer[debug_buffer_index++] = c;
if ((debug_buffer_index == DEBUG_BUFFER_SIZE) || (c == '\n'))
{
jerry_debugger_send_output ((jerry_char_t *) debug_buffer, (jerry_size_t) debug_buffer_index);
debug_buffer_index = 0;
}
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
} /* jerry_port_print_char */

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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.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "jerryscript.h"
#include "jerryscript-port.h"
/**
* Computes the end of the directory part of a path.
*
* @return end of the directory part of a path.
*/
static size_t
jerry_port_get_directory_end (const jerry_char_t *path_p) /**< path */
{
const jerry_char_t *end_p = path_p + strlen ((const char *) path_p);
while (end_p > path_p)
{
if (end_p[-1] == '/')
{
return (size_t) (end_p - path_p);
}
end_p--;
}
return 0;
} /* jerry_port_get_directory_end */
/**
* Normalize a file path.
*
* @return a newly allocated buffer with the normalized path if the operation is successful,
* NULL otherwise
*/
static jerry_char_t *
jerry_port_normalize_path (const jerry_char_t *in_path_p, /**< path to the referenced module */
size_t in_path_length, /**< length of the path */
const jerry_char_t *base_path_p, /**< base path */
size_t base_path_length) /**< length of the base path */
{
char *path_p;
if (base_path_length > 0)
{
path_p = (char *) malloc (base_path_length + in_path_length + 1);
if (path_p == NULL)
{
return NULL;
}
memcpy (path_p, base_path_p, base_path_length);
memcpy (path_p + base_path_length, in_path_p, in_path_length);
path_p[base_path_length + in_path_length] = '\0';
}
else
{
path_p = (char *) malloc (in_path_length + 1);
if (path_p == NULL)
{
return NULL;
}
memcpy (path_p, in_path_p, in_path_length);
path_p[in_path_length] = '\0';
}
return (jerry_char_t *) path_p;
} /* jerry_port_normalize_path */
/**
* A module descriptor.
*/
typedef struct jerry_port_module_t
{
struct jerry_port_module_t *next_p; /**< next_module */
jerry_char_t *path_p; /**< path to the module */
size_t base_path_length; /**< base path length for relative difference */
jerry_value_t realm; /**< the realm of the module */
jerry_value_t module; /**< the module itself */
} jerry_port_module_t;
/**
* Native info descriptor for modules.
*/
static const jerry_object_native_info_t jerry_port_module_native_info =
{
.free_cb = NULL,
};
/**
* Default module manager.
*/
typedef struct
{
jerry_port_module_t *module_head_p; /**< first module */
} jerry_port_module_manager_t;
/**
* Release known modules.
*/
static void
jerry_port_module_free (jerry_port_module_manager_t *manager_p, /**< module manager */
const jerry_value_t realm) /**< if this argument is object, release only those modules,
* which realm value is equal to this argument. */
{
jerry_port_module_t *module_p = manager_p->module_head_p;
bool release_all = !jerry_value_is_object (realm);
jerry_port_module_t *prev_p = NULL;
while (module_p != NULL)
{
jerry_port_module_t *next_p = module_p->next_p;
if (release_all || module_p->realm == realm)
{
free (module_p->path_p);
jerry_release_value (module_p->realm);
jerry_release_value (module_p->module);
free (module_p);
if (prev_p == NULL)
{
manager_p->module_head_p = next_p;
}
else
{
prev_p->next_p = next_p;
}
}
else
{
prev_p = module_p;
}
module_p = next_p;
}
} /* jerry_port_module_free */
/**
* Initialize the default module manager.
*/
static void
jerry_port_module_manager_init (void *user_data_p)
{
((jerry_port_module_manager_t *) user_data_p)->module_head_p = NULL;
} /* jerry_port_module_manager_init */
/**
* Deinitialize the default module manager.
*/
static void
jerry_port_module_manager_deinit (void *user_data_p) /**< context pointer to deinitialize */
{
jerry_value_t undef = jerry_create_undefined ();
jerry_port_module_free ((jerry_port_module_manager_t *) user_data_p, undef);
jerry_release_value (undef);
} /* jerry_port_module_manager_deinit */
/**
* Declare the context data manager for modules.
*/
static const jerry_context_data_manager_t jerry_port_module_manager =
{
.init_cb = jerry_port_module_manager_init,
.deinit_cb = jerry_port_module_manager_deinit,
.bytes_needed = sizeof (jerry_port_module_manager_t)
};
/**
* Default module resolver.
*
* @return a module object if resolving is successful, an error otherwise
*/
jerry_value_t
jerry_port_module_resolve (const jerry_value_t specifier, /**< module specifier string */
const jerry_value_t referrer, /**< parent module */
void *user_p) /**< user data */
{
(void) user_p;
jerry_port_module_t *module_p;
const jerry_char_t *base_path_p = NULL;
size_t base_path_length = 0;
if (jerry_get_object_native_pointer (referrer, (void **) &module_p, &jerry_port_module_native_info))
{
base_path_p = module_p->path_p;
base_path_length = module_p->base_path_length;
}
jerry_size_t in_path_length = jerry_get_utf8_string_size (specifier);
jerry_char_t *in_path_p = (jerry_char_t *) malloc (in_path_length + 1);
jerry_string_to_utf8_char_buffer (specifier, in_path_p, in_path_length);
in_path_p[in_path_length] = '\0';
jerry_char_t *path_p = jerry_port_normalize_path (in_path_p, in_path_length, base_path_p, base_path_length);
if (path_p == NULL)
{
return jerry_create_error (JERRY_ERROR_COMMON, (const jerry_char_t *) "Out of memory");
}
jerry_value_t realm = jerry_get_global_object ();
jerry_port_module_manager_t *manager_p;
manager_p = (jerry_port_module_manager_t *) jerry_get_context_data (&jerry_port_module_manager);
module_p = manager_p->module_head_p;
while (module_p != NULL)
{
if (module_p->realm == realm
&& strcmp ((const char *) module_p->path_p, (const char *) path_p) == 0)
{
free (path_p);
free (in_path_p);
jerry_release_value (realm);
return jerry_acquire_value (module_p->module);
}
module_p = module_p->next_p;
}
size_t source_size;
uint8_t *source_p = jerry_port_read_source ((const char *) path_p, &source_size);
if (source_p == NULL)
{
free (path_p);
free (in_path_p);
jerry_release_value (realm);
/* TODO: This is incorrect, but makes test262 module tests pass
* (they should throw SyntaxError, but not because the module cannot be found). */
return jerry_create_error (JERRY_ERROR_SYNTAX, (const jerry_char_t *) "Module file not found");
}
jerry_parse_options_t parse_options;
parse_options.options = JERRY_PARSE_MODULE | JERRY_PARSE_HAS_RESOURCE;
parse_options.resource_name = jerry_create_string_sz ((const jerry_char_t *) in_path_p, in_path_length);
jerry_value_t ret_value = jerry_parse (source_p,
source_size,
&parse_options);
jerry_release_value (parse_options.resource_name);
jerry_port_release_source (source_p);
free (in_path_p);
if (jerry_value_is_error (ret_value))
{
free (path_p);
jerry_release_value (realm);
return ret_value;
}
module_p = (jerry_port_module_t *) malloc (sizeof (jerry_port_module_t));
module_p->next_p = manager_p->module_head_p;
module_p->path_p = path_p;
module_p->base_path_length = jerry_port_get_directory_end (module_p->path_p);
module_p->realm = realm;
module_p->module = jerry_acquire_value (ret_value);
jerry_set_object_native_pointer (ret_value, module_p, &jerry_port_module_native_info);
manager_p->module_head_p = module_p;
return ret_value;
} /* jerry_port_module_resolve */
/**
* Release known modules.
*/
void
jerry_port_module_release (const jerry_value_t realm) /**< if this argument is object, release only those modules,
* which realm value is equal to this argument. */
{
jerry_port_module_free ((jerry_port_module_manager_t *) jerry_get_context_data (&jerry_port_module_manager),
realm);
} /* jerry_port_module_release */

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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.
*/
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "esp_system.h"
#include "jerryscript.h"
#include "jerryscript-port.h"
static const char TAG[] = "JS";
static esp_log_level_t crosslog(jerry_log_level_t level)
{
switch(level)
{
case JERRY_LOG_LEVEL_ERROR: return ESP_LOG_ERROR;
case JERRY_LOG_LEVEL_WARNING: return ESP_LOG_WARN;
case JERRY_LOG_LEVEL_DEBUG: return ESP_LOG_DEBUG;
case JERRY_LOG_LEVEL_TRACE: return ESP_LOG_VERBOSE;
}
return ESP_LOG_NONE;
}
/**
* Actual log level
*/
static jerry_log_level_t jerry_port_default_log_level = JERRY_LOG_LEVEL_ERROR;
/**
* Get the log level
*
* @return current log level
*/
jerry_log_level_t
jerry_port_default_get_log_level (void)
{
return jerry_port_default_log_level;
} /* jerry_port_default_get_log_level */
/**
* Set the log level
*/
void
jerry_port_default_set_log_level (jerry_log_level_t level) /**< log level */
{
jerry_port_default_log_level = level;
} /* jerry_port_default_set_log_level */
/**
* Default implementation of jerry_port_log. Prints log message to the standard
* error with 'vfprintf' if message log level is less than or equal to the
* current log level.
*
* If debugger support is enabled, printing happens first to an in-memory buffer,
* which is then sent both to the standard error and to the debugger client.
*/
void
jerry_port_log (jerry_log_level_t level, /**< message log level */
const char *format, /**< format string */
...) /**< parameters */
{
if (level <= jerry_port_default_log_level)
{
va_list args;
va_start (args, format);
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
int length = vsnprintf (NULL, 0, format, args);
va_end (args);
va_start (args, format);
JERRY_VLA (char, buffer, length + 1);
vsnprintf (buffer, (size_t) length + 1, format, args);
esp_log_write(crosslog(level), TAG, buffer);
jerry_debugger_send_log (level, (jerry_char_t *) buffer, (jerry_size_t) length);
#else /* If jerry-debugger isn't defined, libc is turned on */
esp_log_writev(crosslog(level), TAG, format, args);
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
va_end (args);
}
} /* jerry_port_log */
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
#define DEBUG_BUFFER_SIZE (256)
static char debug_buffer[DEBUG_BUFFER_SIZE];
static int debug_buffer_index = 0;
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
/**
* Default implementation of jerry_port_print_char. Uses 'putchar' to
* print a single character to standard output.
*/
void
jerry_port_print_char (char c) /**< the character to print */
{
putchar(c);
#if defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1)
debug_buffer[debug_buffer_index++] = c;
if ((debug_buffer_index == DEBUG_BUFFER_SIZE) || (c == '\n'))
{
jerry_debugger_send_output ((jerry_char_t *) debug_buffer, (jerry_size_t) debug_buffer_index);
debug_buffer_index = 0;
}
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
} /* jerry_port_print_char */
/**
* Default implementation of jerry_port_fatal. Calls 'abort' if exit code is
* non-zero, 'exit' otherwise.
*/
void jerry_port_fatal (jerry_fatal_code_t code) /**< cause of error */
{
ESP_LOGE(TAG, "Fatal error %d", code);
vTaskSuspend(NULL);
abort();
} /* jerry_port_fatal */
/**
* Pointer to the current context.
* Note that it is a global variable, and is not a thread safe implementation.
* But I don't see how jerryscript can make that thread-safe, only the appication can
*/
static jerry_context_t *current_context_p = NULL;
/**
* Set the current_context_p as the passed pointer.
*/
void
jerry_port_default_set_current_context (jerry_context_t *context_p) /**< points to the created context */
{
current_context_p = context_p;
} /* jerry_port_default_set_current_context */
/**
* Get the current context.
*
* @return the pointer to the current context
*/
jerry_context_t *
jerry_port_get_current_context (void)
{
return current_context_p;
} /* jerry_port_get_current_context */
/**
* Default implementation of jerry_port_sleep. Uses 'nanosleep' or 'usleep' if
* available on the system, does nothing otherwise.
*/
void jerry_port_sleep (uint32_t sleep_time) /**< milliseconds to sleep */
{
vTaskDelay( sleep_time / portTICK_PERIOD_MS);
} /* jerry_port_sleep */
/**
* Opens file with the given path and reads its source.
* @return the source of the file
*/
uint8_t *
jerry_port_read_source (const char *file_name_p, /**< file name */
size_t *out_size_p) /**< [out] read bytes */
{
FILE *file_p = fopen (file_name_p, "rb");
if (file_p == NULL)
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to open file: %s\n", file_name_p);
return NULL;
}
struct stat info = { };
fstat(fileno(file_p), &info);
uint8_t *buffer_p = (uint8_t *) malloc (info.st_size);
if (buffer_p == NULL)
{
fclose (file_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to allocate memory for file: %s\n", file_name_p);
return NULL;
}
size_t bytes_read = fread (buffer_p, 1u, info.st_size, file_p);
if (bytes_read != info.st_size)
{
fclose (file_p);
free (buffer_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to read file: %s\n", file_name_p);
return NULL;
}
fclose (file_p);
*out_size_p = bytes_read;
return buffer_p;
} /* jerry_port_read_source */
/**
* Release the previously opened file's content.
*/
void
jerry_port_release_source (uint8_t *buffer_p) /**< buffer to free */
{
free (buffer_p);
} /* jerry_port_release_source */
/**
* Default implementation of jerry_port_get_local_time_zone_adjustment. Uses the 'tm_gmtoff' field
* of 'struct tm' (a GNU extension) filled by 'localtime_r' if available on the
* system, does nothing otherwise.
*
* @return offset between UTC and local time at the given unix timestamp, if
* available. Otherwise, returns 0, assuming UTC time.
*/
double jerry_port_get_local_time_zone_adjustment (double unix_ms, /**< ms since unix epoch */
bool is_utc) /**< is the time above in UTC? */
{
struct tm tm;
char buf[8];
time_t now = (time_t) (unix_ms / 1000);
localtime_r (&now, &tm);
if (!is_utc)
{
strftime(buf, 8, "%z", &tm);
now -= -atof(buf) * 3600 * 1000 / 100;
localtime_r (&now, &tm);
}
strftime(buf, 8, "%z", &tm);
return -atof(buf) * 3600 * 1000 / 100;
} /* jerry_port_get_local_time_zone_adjustment */
/**
* Default implementation of jerry_port_get_current_time. Uses 'gettimeofday' if
* available on the system, does nothing otherwise.
*
* @return milliseconds since Unix epoch - if 'gettimeofday' is available and
* executed successfully,
* 0 - otherwise.
*/
double jerry_port_get_current_time (void)
{
struct timeval tv;
if (gettimeofday (&tv, NULL) == 0)
{
return ((double) tv.tv_sec) * 1000.0 + ((double) tv.tv_usec) / 1000.0;
}
return 0.0;
} /* jerry_port_get_current_time */

View File

@ -1,114 +0,0 @@
/* 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.
*/
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "jerryscript.h"
#include "jerryscript-port.h"
/**
* Opens file with the given path and reads its source.
* @return the source of the file
*/
uint8_t *
jerry_port_read_source (const char *file_name_p, /**< file name */
size_t *out_size_p) /**< [out] read bytes */
{
FILE *file_p = fopen (file_name_p, "rb");
if (file_p == NULL)
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to open file: %s\n", file_name_p);
return NULL;
}
struct stat info = { };
fstat(fileno(file_p), &info);
uint8_t *buffer_p = (uint8_t *) malloc (info.st_size);
if (buffer_p == NULL)
{
fclose (file_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to allocate memory for file: %s\n", file_name_p);
return NULL;
}
size_t bytes_read = fread (buffer_p, 1u, info.st_size, file_p);
if (bytes_read != info.st_size)
{
fclose (file_p);
free (buffer_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Failed to read file: %s\n", file_name_p);
return NULL;
}
fclose (file_p);
*out_size_p = bytes_read;
return buffer_p;
} /* jerry_port_read_source */
/**
* Release the previously opened file's content.
*/
void
jerry_port_release_source (uint8_t *buffer_p) /**< buffer to free */
{
free (buffer_p);
} /* jerry_port_release_source */
/**
* Normalize a file path
*
* @return length of the path written to the output buffer
*/
size_t
jerry_port_normalize_path (const char *in_path_p, /**< input file path */
char *out_buf_p, /**< output buffer */
size_t out_buf_size, /**< size of output buffer */
char *base_file_p) /**< base file path */
{
size_t ret = strlen(base_file_p) + strlen(in_path_p) + 1;
if (ret < out_buf_size) {
strcpy (out_buf_p, base_file_p);
strcat (out_buf_p, "/");
strcat (out_buf_p, in_path_p);
return ret;
}
return 0;
} /* jerry_port_normalize_path */
/**
* Get the module object of a native module.
*
* @return Undefined, if 'name' is not a native module
* jerry_value_t containing the module object, otherwise
*/
jerry_value_t
jerry_port_get_native_module (jerry_value_t name) /**< module specifier */
{
(void) name;
return jerry_create_undefined ();
} /* jerry_port_get_native_module */