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xiuos/Ubiquitous/RT-Thread_Fusion_XiUOS/micropython/port/mpy_main.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Armink (armink.ztl@gmail.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <rtthread.h>
#ifdef RT_USING_DFS
#include <dfs_posix.h>
#endif
#include <py/compile.h>
#include <py/runtime.h>
#include <py/repl.h>
#include <py/gc.h>
#include <py/mperrno.h>
#include <py/stackctrl.h>
#include <py/frozenmod.h>
#include <lib/mp-readline/readline.h>
#include <lib/utils/pyexec.h>
#include "mpgetcharport.h"
#include "mpputsnport.h"
#define THREAD_STACK_NO_SYNC 4096
#define THREAD_STACK_WITH_SYNC 8192
#if MICROPY_ENABLE_COMPILER
void do_str(const char *src, mp_parse_input_kind_t input_kind) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
qstr source_name = lex->source_name;
mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
mp_call_function_0(module_fun);
nlr_pop();
} else {
// uncaught exception
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
}
}
#endif
#ifdef RT_USING_DFS
static int mp_sys_resource_bak(struct dfs_fdtable **table_bak)
{
struct dfs_fdtable *fd_table;
struct dfs_fdtable *fd_table_bak;
struct dfs_fd **fds;
fd_table = dfs_fdtable_get();
if (!fd_table)
{
return RT_FALSE;
}
fd_table_bak = (struct dfs_fdtable *)rt_malloc(sizeof(struct dfs_fdtable));
if (!fd_table_bak)
{
goto _exit_tab;
}
fds = (struct dfs_fd **)rt_malloc((int)fd_table->maxfd * sizeof(struct dfs_fd *));
if (!fds)
{
goto _exit_fds;
}
else
{
rt_memcpy(fds, fd_table->fds, (int)fd_table->maxfd * sizeof(struct dfs_fd *));
fd_table_bak->maxfd = (int)fd_table->maxfd;
fd_table_bak->fds = fds;
}
*table_bak = fd_table_bak;
return RT_TRUE;
_exit_fds:
rt_free(fd_table_bak);
_exit_tab:
return RT_FALSE;
}
static void mp_sys_resource_gc(struct dfs_fdtable *fd_table_bak)
{
struct dfs_fdtable *fd_table;
if (!fd_table_bak) return;
fd_table = dfs_fdtable_get();
for(int i = 0; i < fd_table->maxfd; i++)
{
if (fd_table->fds[i] != RT_NULL)
{
if ((i < fd_table_bak->maxfd && fd_table_bak->fds[i] == RT_NULL) || (i >= fd_table_bak->maxfd))
{
close(i + DFS_FD_OFFSET);
}
}
}
rt_free(fd_table_bak->fds);
rt_free(fd_table_bak);
}
#endif
static void *stack_top = RT_NULL;
static char *heap = RT_NULL;
void mpy_main(const char *filename) {
int stack_dummy;
int stack_size_check;
stack_top = (void *)&stack_dummy;
#ifdef RT_USING_DFS
struct dfs_fdtable *fd_table_bak = NULL;
mp_sys_resource_bak(&fd_table_bak);
#endif
mp_getchar_init();
mp_putsn_init();
#if defined(MICROPYTHON_USING_FILE_SYNC_VIA_IDE)
stack_size_check = THREAD_STACK_WITH_SYNC;
#else
stack_size_check = THREAD_STACK_NO_SYNC;
#endif
if (rt_thread_self()->stack_size < stack_size_check)
{
mp_printf(&mp_plat_print, "The stack (%.*s) size for executing MicroPython must be >= %d\n", RT_NAME_MAX, rt_thread_self()->name, stack_size_check);
}
#if MICROPY_PY_THREAD
mp_thread_init(rt_thread_self()->stack_addr, ((rt_uint32_t)stack_top - (rt_uint32_t)rt_thread_self()->stack_addr) / 4);
#endif
mp_stack_set_top(stack_top);
// Make MicroPython's stack limit somewhat smaller than full stack available
mp_stack_set_limit(rt_thread_self()->stack_size - 1024);
#if MICROPY_ENABLE_GC
heap = rt_malloc(MICROPY_HEAP_SIZE);
if (!heap) {
mp_printf(&mp_plat_print, "No memory for MicroPython Heap!\n");
return;
}
gc_init(heap, heap + MICROPY_HEAP_SIZE);
#endif
/* MicroPython initialization */
mp_init();
/* system path initialization */
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_append(mp_sys_path, mp_obj_new_str(MICROPY_PY_PATH_FIRST, strlen(MICROPY_PY_PATH_FIRST)));
mp_obj_list_append(mp_sys_path, mp_obj_new_str(MICROPY_PY_PATH_SECOND, strlen(MICROPY_PY_PATH_SECOND)));
mp_obj_list_init(mp_sys_argv, 0);
readline_init0();
if (filename) {
#ifndef MICROPYTHON_USING_UOS
mp_printf(&mp_plat_print, "Please enable uos module in sys module option first.\n");
#else
pyexec_file(filename);
#endif
} else {
#ifdef MICROPYTHON_USING_UOS
// run boot-up scripts
void *frozen_data;
const char *_boot_file = "_boot.py", *boot_file = "boot.py", *main_file = MICROPY_MAIN_PY_PATH;
if (mp_find_frozen_module(_boot_file, strlen(_boot_file), &frozen_data) != MP_FROZEN_NONE) {
pyexec_frozen_module(_boot_file);
}
if (!access(boot_file, 0)) {
pyexec_file(boot_file);
}
// run main scripts
if (!access(main_file, 0)) {
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
pyexec_file(main_file);
}
}
#endif /* MICROPYTHON_USING_UOS */
mp_printf(&mp_plat_print, "\n");
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
}
gc_sweep_all();
mp_deinit();
#if MICROPY_PY_THREAD
mp_thread_deinit();
#endif
rt_free(heap);
mp_putsn_deinit();
mp_getchar_deinit();
#ifdef RT_USING_DFS
mp_sys_resource_gc(fd_table_bak);
#endif
}
#if !MICROPY_PY_MODUOS_FILE
mp_import_stat_t mp_import_stat(const char *path) {
return MP_IMPORT_STAT_NO_EXIST;
}
#endif
NORETURN void nlr_jump_fail(void *val) {
mp_printf(MICROPY_ERROR_PRINTER, "nlr_jump_fail\n");
while (1);
}
#ifndef NDEBUG
NORETURN void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
mp_printf(MICROPY_ERROR_PRINTER, "Assertion '%s' failed, at file %s:%d\n", expr, file, line);
while (1);
}
#endif
#include <stdarg.h>
int DEBUG_printf(const char *format, ...)
{
static char log_buf[512];
va_list args;
/* args point to the first variable parameter */
va_start(args, format);
/* must use vprintf to print */
rt_vsprintf(log_buf, format, args);
mp_printf(&mp_plat_print, "%s", log_buf);
va_end(args);
return 0;
}
#ifndef MICROPYTHON_USING_UOS
mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
mp_raise_OSError(MP_ENOENT);
}
#endif
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
#include <finsh.h>
static void python(uint8_t argc, char **argv) {
if (argc > 1) {
mpy_main(argv[1]);
} else {
mpy_main(NULL);
}
}
MSH_CMD_EXPORT(python, MicroPython: `python [file.py]` execute python script);
#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
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