kopia lustrzana https://github.com/micropython/micropython
109 wiersze
3.5 KiB
C
109 wiersze
3.5 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) 2022-2023 Damien P. George
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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 <string.h>
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#include "py/compile.h"
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#include "py/gc.h"
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#include "py/persistentcode.h"
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#include "py/runtime.h"
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#include "py/stackctrl.h"
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#include "shared/runtime/gchelper.h"
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#include "port/micropython_embed.h"
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// Initialise the runtime.
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void mp_embed_init(void *gc_heap, size_t gc_heap_size, void *stack_top) {
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mp_stack_set_top(stack_top);
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gc_init(gc_heap, (uint8_t *)gc_heap + gc_heap_size);
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mp_init();
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}
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#if MICROPY_ENABLE_COMPILER
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// Compile and execute the given source script (Python text).
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void mp_embed_exec_str(const char *src) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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// Compile, parse and execute the given string.
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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, MP_PARSE_FILE_INPUT);
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mp_obj_t module_fun = mp_compile(&parse_tree, source_name, 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: print it out.
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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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#if MICROPY_PERSISTENT_CODE_LOAD
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void mp_embed_exec_mpy(const uint8_t *mpy, size_t len) {
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nlr_buf_t nlr;
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if (nlr_push(&nlr) == 0) {
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// Execute the given .mpy data.
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mp_module_context_t *ctx = m_new_obj(mp_module_context_t);
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ctx->module.globals = mp_globals_get();
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mp_compiled_module_t cm;
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cm.context = ctx;
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mp_raw_code_load_mem(mpy, len, &cm);
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mp_obj_t f = mp_make_function_from_proto_fun(cm.rc, ctx, MP_OBJ_NULL);
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mp_call_function_0(f);
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nlr_pop();
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} else {
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// Uncaught exception: print it out.
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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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// Deinitialise the runtime.
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void mp_embed_deinit(void) {
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mp_deinit();
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}
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#if MICROPY_ENABLE_GC
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// Run a garbage collection cycle.
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void gc_collect(void) {
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gc_collect_start();
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gc_helper_collect_regs_and_stack();
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gc_collect_end();
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}
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#endif
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// Called if an exception is raised outside all C exception-catching handlers.
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void nlr_jump_fail(void *val) {
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for (;;) {
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}
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}
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#ifndef NDEBUG
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// Used when debugging is enabled.
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void __assert_func(const char *file, int line, const char *func, const char *expr) {
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for (;;) {
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}
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}
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#endif
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