kopia lustrzana https://github.com/micropython/micropython
147 wiersze
4.5 KiB
C
147 wiersze
4.5 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) 2013, 2014 Damien P. George and 2017, 2018 Rami Ali
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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 <stdlib.h>
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#include <string.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 "lib/utils/pyexec.h"
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#include "library.h"
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#if MICROPY_ENABLE_COMPILER
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int do_str(const char *src, mp_parse_input_kind_t input_kind) {
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int ret = 0;
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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, false);
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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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if (mp_obj_is_subclass_fast(mp_obj_get_type((mp_obj_t)nlr.ret_val), &mp_type_SystemExit)) {
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mp_obj_t exit_val = mp_obj_exception_get_value(MP_OBJ_FROM_PTR(nlr.ret_val));
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if (exit_val != mp_const_none) {
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mp_int_t int_val;
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if (mp_obj_get_int_maybe(exit_val, &int_val)) {
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ret = int_val & 255;
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} else {
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ret = 1;
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}
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}
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} else {
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mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
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ret = 1;
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}
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}
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return ret;
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}
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#endif
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static char *stack_top;
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int mp_js_do_str(const char *code) {
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return do_str(code, MP_PARSE_FILE_INPUT);
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}
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int mp_js_process_char(int c) {
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return pyexec_event_repl_process_char(c);
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}
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void mp_js_init(int heap_size) {
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int stack_dummy;
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stack_top = (char*)&stack_dummy;
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#if MICROPY_ENABLE_GC
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char *heap = (char*)malloc(heap_size * sizeof(char));
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gc_init(heap, heap + heap_size);
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#endif
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#if MICROPY_ENABLE_PYSTACK
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static mp_obj_t pystack[1024];
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mp_pystack_init(pystack, &pystack[MP_ARRAY_SIZE(pystack)]);
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#endif
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mp_init();
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mp_obj_list_init(mp_sys_path, 0);
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mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_));
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mp_obj_list_init(mp_sys_argv, 0);
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}
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void mp_js_init_repl() {
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pyexec_event_repl_init();
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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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jmp_buf dummy;
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if (setjmp(dummy) == 0) {
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longjmp(dummy, 1);
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}
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gc_collect_start();
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gc_collect_root((void*)stack_top, ((mp_uint_t)(void*)(&dummy + 1) - (mp_uint_t)stack_top) / sizeof(mp_uint_t));
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gc_collect_end();
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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(MP_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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void nlr_jump_fail(void *val) {
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while (1);
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}
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void NORETURN __fatal_error(const char *msg) {
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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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