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Provide support for native modules with ES6 imports (#3090)

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JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
This commit is contained in:
Dániel Bátyai
2019-10-02 12:20:43 +02:00
committed by GitHub
parent 2a89eec98b
commit f1883b9e7d
10 changed files with 415 additions and 201 deletions
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jerry-port/default/default-io.c
-157
View File
@@ -13,10 +13,6 @@
* limitations under the License.
*/
#if !defined (WIN32)
#include <libgen.h>
#endif /* !defined (WIN32) */
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
@@ -132,156 +128,3 @@ jerry_port_print_char (char c) /**< the character to print */
}
#endif /* defined (JERRY_DEBUGGER) && (JERRY_DEBUGGER == 1) */
} /* jerry_port_print_char */
/**
* Determines the size of the given file.
* @return size of the file
*/
static size_t
jerry_port_get_file_size (FILE *file_p) /**< opened file */
{
fseek (file_p, 0, SEEK_END);
long size = ftell (file_p);
fseek (file_p, 0, SEEK_SET);
return (size_t) size;
} /* jerry_port_get_file_size */
/**
* 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;
}
size_t file_size = jerry_port_get_file_size (file_p);
uint8_t *buffer_p = (uint8_t *) malloc (file_size);
if (buffer_p == NULL)
{
fclose (file_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: failed to allocate memory for module");
return NULL;
}
size_t bytes_read = fread (buffer_p, 1u, file_size, file_p);
if (!bytes_read)
{
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 = 0;
#if defined (WIN32)
char drive[_MAX_DRIVE];
char *dir_p = (char *) malloc (_MAX_DIR);
char *path_p = (char *) malloc (_MAX_PATH * 2);
*path_p = '\0';
if (base_file_p != NULL)
{
_splitpath_s (base_file_p,
&drive,
_MAX_DRIVE,
dir_p,
_MAX_DIR,
NULL,
0,
NULL,
0);
strncat (path_p, &drive, _MAX_DRIVE);
strncat (path_p, dir_p, _MAX_DIR);
}
strncat (path_p, in_path_p, _MAX_PATH);
char *norm_p = _fullpath (out_buf_p, path_p, out_buf_size);
free (path_p);
free (dir_p);
if (norm_p != NULL)
{
ret = strnlen (norm_p, out_buf_size);
}
#elif defined (__unix__) || defined (__APPLE__)
#define MAX_JERRY_PATH_SIZE 256
char *buffer_p = (char *) malloc (PATH_MAX);
char *path_p = (char *) malloc (PATH_MAX);
char *base_p = dirname (base_file_p);
strncpy (path_p, base_p, MAX_JERRY_PATH_SIZE);
strncat (path_p, "/", 1);
strncat (path_p, in_path_p, MAX_JERRY_PATH_SIZE);
char *norm_p = realpath (path_p, buffer_p);
free (path_p);
if (norm_p != NULL)
{
const size_t len = strnlen (norm_p, out_buf_size);
if (len < out_buf_size)
{
strncpy (out_buf_p, norm_p, out_buf_size);
ret = len;
}
}
free (buffer_p);
#undef MAX_JERRY_PATH_SIZE
#else
(void) base_file_p;
/* Do nothing, just copy the input. */
const size_t len = strnlen (in_path_p, out_buf_size);
if (len < out_buf_size)
{
strncpy (out_buf_p, in_path_p, out_buf_size);
ret = len;
}
#endif
return ret;
} /* jerry_port_normalize_path */
jerry-port/default/default-module.c
+192
View File
@@ -0,0 +1,192 @@
/* 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.
*/
#if !defined (WIN32)
#include <libgen.h>
#endif /* !defined (WIN32) */
#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "jerryscript-compiler.h"
#include "jerryscript-port.h"
#include "jerryscript-port-default.h"
/**
* Determines the size of the given file.
* @return size of the file
*/
static size_t
jerry_port_get_file_size (FILE *file_p) /**< opened file */
{
fseek (file_p, 0, SEEK_END);
long size = ftell (file_p);
fseek (file_p, 0, SEEK_SET);
return (size_t) size;
} /* jerry_port_get_file_size */
/**
* 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;
}
size_t file_size = jerry_port_get_file_size (file_p);
uint8_t *buffer_p = (uint8_t *) malloc (file_size);
if (buffer_p == NULL)
{
fclose (file_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: failed to allocate memory for module");
return NULL;
}
size_t bytes_read = fread (buffer_p, 1u, file_size, file_p);
if (!bytes_read)
{
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 = 0;
#if defined (WIN32)
char drive[_MAX_DRIVE];
char *dir_p = (char *) malloc (_MAX_DIR);
char *path_p = (char *) malloc (_MAX_PATH * 2);
*path_p = '\0';
if (base_file_p != NULL)
{
_splitpath_s (base_file_p,
&drive,
_MAX_DRIVE,
dir_p,
_MAX_DIR,
NULL,
0,
NULL,
0);
strncat (path_p, &drive, _MAX_DRIVE);
strncat (path_p, dir_p, _MAX_DIR);
}
strncat (path_p, in_path_p, _MAX_PATH);
char *norm_p = _fullpath (out_buf_p, path_p, out_buf_size);
free (path_p);
free (dir_p);
if (norm_p != NULL)
{
ret = strnlen (norm_p, out_buf_size);
}
#elif defined (__unix__) || defined (__APPLE__)
#define MAX_JERRY_PATH_SIZE 256
char *buffer_p = (char *) malloc (PATH_MAX);
char *path_p = (char *) malloc (PATH_MAX);
char *base_p = dirname (base_file_p);
strncpy (path_p, base_p, MAX_JERRY_PATH_SIZE);
strncat (path_p, "/", 1);
strncat (path_p, in_path_p, MAX_JERRY_PATH_SIZE);
char *norm_p = realpath (path_p, buffer_p);
free (path_p);
if (norm_p != NULL)
{
const size_t len = strnlen (norm_p, out_buf_size);
if (len < out_buf_size)
{
strncpy (out_buf_p, norm_p, out_buf_size);
ret = len;
}
}
free (buffer_p);
#undef MAX_JERRY_PATH_SIZE
#else
(void) base_file_p;
/* Do nothing, just copy the input. */
const size_t len = strnlen (in_path_p, out_buf_size);
if (len < out_buf_size)
{
strncpy (out_buf_p, in_path_p, out_buf_size);
ret = len;
}
#endif
return ret;
} /* 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 */