152 lines
4.6 KiB
C
152 lines
4.6 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Armink (armink.ztl@gmail.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <rtthread.h>
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#include <shell.h>
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#include "py/compile.h"
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#include "py/runtime.h"
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#include "py/repl.h"
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#include "py/gc.h"
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#include "py/mperrno.h"
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#include "py/stackctrl.h"
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#include "lib/utils/pyexec.h"
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#include "rtt_getchar.h"
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#if MICROPY_ENABLE_COMPILER
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void do_str(const char *src, mp_parse_input_kind_t input_kind) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
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qstr source_name = lex->source_name;
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mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
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mp_obj_t module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, true);
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mp_call_function_0(module_fun);
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nlr_pop();
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} else {
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// uncaught exception
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mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
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}
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}
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#endif
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static char *stack_top;
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static char heap[MICROPY_HEAP_SIZE];
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void mpy_main(const char *filename) {
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int stack_dummy;
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stack_top = (char*)&stack_dummy;
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rt_kprintf("\n");
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rtt_getchar_init();
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mp_stack_set_top(stack_top);
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// Make MicroPython's stack limit somewhat smaller than full stack available
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mp_stack_set_limit(FINSH_THREAD_STACK_SIZE - 512);
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#if MICROPY_ENABLE_GC
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gc_init(heap, heap + sizeof(heap));
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#endif
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mp_init();
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if (filename) {
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pyexec_file(filename);
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} else {
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#if MICROPY_ENABLE_COMPILER
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#if MICROPY_REPL_EVENT_DRIVEN
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pyexec_event_repl_init();
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for (;;) {
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int c = mp_hal_stdin_rx_chr();
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if (pyexec_event_repl_process_char(c)) {
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break;
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}
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}
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#else
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pyexec_friendly_repl();
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#endif
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// do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT);
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// do_str("for i in range(10):\r\n print(i)", MP_PARSE_FILE_INPUT);
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#else
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pyexec_frozen_module("frozentest.py");
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#endif
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}
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mp_deinit();
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rtt_getchar_deinit();
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}
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void gc_collect(void) {
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// WARNING: This gc_collect implementation doesn't try to get root
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// pointers from CPU registers, and thus may function incorrectly.
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void *dummy;
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gc_collect_start();
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gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
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gc_collect_end();
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gc_dump_info();
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}
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mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
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mp_raise_OSError(ENOENT);
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}
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mp_import_stat_t mp_import_stat(const char *path) {
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return MP_IMPORT_STAT_NO_EXIST;
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}
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mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
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NORETURN void nlr_jump_fail(void *val) {
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while (1);
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}
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#ifndef NDEBUG
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void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
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printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
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__fatal_error("Assertion failed");
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}
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#endif
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#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
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#include <finsh.h>
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static void python(uint8_t argc, char **argv) {
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if (argc > 1) {
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mpy_main(argv[1]);
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} else {
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mpy_main(NULL);
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}
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}
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MSH_CMD_EXPORT(python, MicroPython: `python [file.py]` execute python script);
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#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
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