xuyanghang
/
xiuos
forked from xuos/xiuos
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
xiuos/APP_Framework/lib/JerryScript/jerryscript/jerry-main/main-unix.c

340 lines
9.2 KiB
C
Raw Permalink Blame History

/* 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 <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "jerryscript.h"
#include "jerryscript-ext/debugger.h"
#include "jerryscript-ext/handler.h"
#include "jerryscript-port.h"
#include "jerryscript-port-default.h"
#include "main-utils.h"
#include "main-options.h"
/**
* Temporal buffer size.
*/
#define JERRY_BUFFER_SIZE 256u
#if defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1)
/**
* The alloc function passed to jerry_create_context
*/
static void *
context_alloc (size_t size,
void *cb_data_p)
{
(void) cb_data_p; /* unused */
return malloc (size);
} /* context_alloc */
#endif /* defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1) */
int
main (int argc,
char **argv)
{
union
{
double d;
unsigned u;
} now = { .d = jerry_port_get_current_time () };
srand (now.u);
JERRY_VLA (main_source_t, sources_p, argc);
main_args_t arguments;
arguments.sources_p = sources_p;
main_parse_args (argc, argv, &arguments);
#if defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1)
jerry_context_t *context_p = jerry_create_context (JERRY_GLOBAL_HEAP_SIZE * 1024, context_alloc, NULL);
jerry_port_default_set_current_context (context_p);
#endif /* defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1) */
restart:
main_init_engine (&arguments);
int return_code = JERRY_STANDALONE_EXIT_CODE_FAIL;
jerry_value_t ret_value;
for (uint32_t source_index = 0; source_index < arguments.source_count; source_index++)
{
main_source_t *source_file_p = sources_p + source_index;
const char *file_path_p = argv[source_file_p->path_index];
size_t source_size;
uint8_t *source_p = jerry_port_read_source (file_path_p, &source_size);
if (source_p == NULL)
{
goto exit;
}
uint32_t parse_opts = JERRY_PARSE_NO_OPTS;
switch (source_file_p->type)
{
case SOURCE_SNAPSHOT:
{
ret_value = jerry_exec_snapshot ((uint32_t *) source_p,
source_size,
source_file_p->snapshot_index,
JERRY_SNAPSHOT_EXEC_COPY_DATA);
jerry_port_release_source (source_p);
break;
}
case SOURCE_MODULE:
{
parse_opts = JERRY_PARSE_MODULE;
/* FALLTHRU */
}
default:
{
assert (source_file_p->type == SOURCE_SCRIPT
|| source_file_p->type == SOURCE_MODULE);
if (!jerry_is_valid_utf8_string ((jerry_char_t *) source_p, (jerry_size_t) source_size))
{
jerry_port_release_source (source_p);
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Input must be a valid UTF-8 string.");
goto exit;
}
ret_value = jerry_parse ((jerry_char_t *) file_path_p,
strlen (file_path_p),
source_p,
source_size,
parse_opts);
jerry_port_release_source (source_p);
if (!jerry_value_is_error (ret_value) && !(arguments.option_flags & OPT_FLAG_PARSE_ONLY))
{
jerry_value_t func_val = ret_value;
ret_value = jerry_run (func_val);
jerry_release_value (func_val);
}
break;
}
}
if (jerry_value_is_error (ret_value))
{
if (main_is_value_reset (ret_value))
{
jerry_cleanup ();
goto restart;
}
main_print_unhandled_exception (ret_value);
goto exit;
}
jerry_release_value (ret_value);
}
if (arguments.option_flags & OPT_FLAG_WAIT_SOURCE)
{
while (true)
{
jerry_debugger_wait_for_source_status_t receive_status;
receive_status = jerry_debugger_wait_for_client_source (main_wait_for_source_callback,
NULL,
&ret_value);
if (receive_status == JERRY_DEBUGGER_SOURCE_RECEIVE_FAILED)
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Connection aborted before source arrived.");
goto exit;
}
if (receive_status == JERRY_DEBUGGER_SOURCE_END)
{
jerry_port_log (JERRY_LOG_LEVEL_DEBUG, "No more client source.\n");
break;
}
assert (receive_status == JERRY_DEBUGGER_CONTEXT_RESET_RECEIVED
|| receive_status == JERRY_DEBUGGER_SOURCE_RECEIVED);
if (receive_status == JERRY_DEBUGGER_CONTEXT_RESET_RECEIVED
|| main_is_value_reset (ret_value))
{
jerry_cleanup ();
goto restart;
}
assert (receive_status == JERRY_DEBUGGER_SOURCE_RECEIVED);
jerry_release_value (ret_value);
}
}
else if (arguments.option_flags & OPT_FLAG_USE_STDIN)
{
char buffer[JERRY_BUFFER_SIZE];
char *source_p = NULL;
size_t source_size = 0;
while (!feof (stdin))
{
size_t read_bytes = fread (buffer, 1u, JERRY_BUFFER_SIZE, stdin);
size_t new_size = source_size + read_bytes;
source_p = realloc (source_p, new_size);
memcpy (source_p + source_size, buffer, read_bytes);
source_size = new_size;
}
ret_value = jerry_parse (NULL, 0, (jerry_char_t *) source_p, source_size, JERRY_PARSE_NO_OPTS);
free (source_p);
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
goto exit;
}
jerry_value_t func_val = ret_value;
ret_value = jerry_run (func_val);
jerry_release_value (func_val);
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
goto exit;
}
jerry_release_value (ret_value);
}
else if (arguments.source_count == 0)
{
const char *prompt = (arguments.option_flags & OPT_FLAG_NO_PROMPT) ? "" : "jerry> ";
char buffer[JERRY_BUFFER_SIZE];
while (true)
{
printf ("%s", prompt);
char *str_p = fgets (buffer, JERRY_BUFFER_SIZE, stdin);
if (str_p == NULL)
{
printf ("\n");
break;
}
size_t len = strlen (str_p);
if (len == 0)
{
continue;
}
if (!jerry_is_valid_utf8_string ((jerry_char_t *) str_p, (jerry_size_t) len))
{
jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: Input must be a valid UTF-8 string.\n");
continue;
}
ret_value = jerry_parse (NULL, 0, (jerry_char_t *) str_p, len, JERRY_PARSE_NO_OPTS);
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
continue;
}
jerry_value_t func_val = ret_value;
ret_value = jerry_run (func_val);
jerry_release_value (func_val);
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
continue;
}
const jerry_value_t args[] = { ret_value };
jerry_value_t ret_val_print = jerryx_handler_print (jerry_create_undefined (),
jerry_create_undefined (),
args,
1);
jerry_release_value (ret_val_print);
jerry_release_value (ret_value);
ret_value = jerry_run_all_enqueued_jobs ();
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
continue;
}
jerry_release_value (ret_value);
}
}
ret_value = jerry_run_all_enqueued_jobs ();
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
goto exit;
}
jerry_release_value (ret_value);
if (arguments.exit_cb_name_p != NULL)
{
jerry_value_t global = jerry_get_global_object ();
jerry_value_t name_str = jerry_create_string ((jerry_char_t *) arguments.exit_cb_name_p);
jerry_value_t callback_fn = jerry_get_property (global, name_str);
jerry_release_value (global);
jerry_release_value (name_str);
if (jerry_value_is_function (callback_fn))
{
ret_value = jerry_call_function (callback_fn, jerry_create_undefined (), NULL, 0);
if (jerry_value_is_error (ret_value))
{
main_print_unhandled_exception (ret_value);
goto exit;
}
jerry_release_value (ret_value);
}
jerry_release_value (callback_fn);
}
return_code = JERRY_STANDALONE_EXIT_CODE_OK;
exit:
jerry_cleanup ();
#if defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1)
free (context_p);
#endif /* defined (JERRY_EXTERNAL_CONTEXT) && (JERRY_EXTERNAL_CONTEXT == 1) */
return return_code;
} /* main */
Reference in New Issue View Git Blame Copy Permalink