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Diffstat (limited to 'zephyr/main.c')
-rw-r--r-- | zephyr/main.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/zephyr/main.c b/zephyr/main.c new file mode 100644 index 0000000000..8d319098b2 --- /dev/null +++ b/zephyr/main.c @@ -0,0 +1,128 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * Copyright (c) 2016 Linaro Limited + * + * 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 "py/nlr.h" +#include "py/compile.h" +#include "py/runtime.h" +#include "py/repl.h" +#include "py/gc.h" +#include "py/stackctrl.h" +#include "lib/utils/pyexec.h" +#include "lib/mp-readline/readline.h" + +void do_str(const char *src, mp_parse_input_kind_t input_kind) { + mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0); + if (lex == NULL) { + printf("MemoryError: lexer could not allocate memory\n"); + return; + } + + nlr_buf_t nlr; + if (nlr_push(&nlr) == 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, MP_EMIT_OPT_NONE, 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); + } +} + +static char *stack_top; +static char heap[16 * 1024]; + +int real_main(void) { + int stack_dummy; + stack_top = (char*)&stack_dummy; + mp_stack_set_top(stack_top); + // Should be set to stack size in prj.mdef minus fuzz factor + mp_stack_set_limit(3584); + + #if MICROPY_ENABLE_GC + gc_init(heap, heap + sizeof(heap)); + #endif + mp_init(); + MP_STATE_PORT(mp_kbd_exception) = mp_obj_new_exception(&mp_type_KeyboardInterrupt); + pyexec_frozen_module("main.py"); + #if MICROPY_REPL_EVENT_DRIVEN + pyexec_event_repl_init(); + for (;;) { + int c = mp_hal_stdin_rx_chr(); + if (pyexec_event_repl_process_char(c)) { + break; + } + } + #else + pyexec_friendly_repl(); + #endif + //do_str("print('hello world!', list(x+1 for x in range(10)), end='eol\\n')", MP_PARSE_SINGLE_INPUT); + //do_str("for i in range(10):\r\n print(i)", MP_PARSE_FILE_INPUT); + mp_deinit(); + return 0; +} + +void gc_collect(void) { + // WARNING: This gc_collect implementation doesn't try to get root + // pointers from CPU registers, and thus may function incorrectly. + void *dummy; + gc_collect_start(); + gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t)); + gc_collect_end(); + gc_dump_info(); +} + +mp_lexer_t *mp_lexer_new_from_file(const char *filename) { + return NULL; +} + +mp_import_stat_t mp_import_stat(const char *path) { + return MP_IMPORT_STAT_NO_EXIST; +} + +mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) { + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open); + +void nlr_jump_fail(void *val) { +} + +void NORETURN __fatal_error(const char *msg) { + while (1); +} + +#ifndef NDEBUG +void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) { + printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line); + __fatal_error("Assertion failed"); +} +#endif |