diff options
Diffstat (limited to 'shared/runtime/pyexec.c')
| -rw-r--r-- | shared/runtime/pyexec.c | 716 |
1 files changed, 716 insertions, 0 deletions
diff --git a/shared/runtime/pyexec.c b/shared/runtime/pyexec.c new file mode 100644 index 000000000..4446b36b6 --- /dev/null +++ b/shared/runtime/pyexec.c @@ -0,0 +1,716 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * + * 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 <stdlib.h> +#include <stdio.h> +#include <stdint.h> +#include <string.h> + +#include "py/compile.h" +#include "py/runtime.h" +#include "py/repl.h" +#include "py/gc.h" +#include "py/frozenmod.h" +#include "py/mphal.h" +#if MICROPY_HW_ENABLE_USB +#include "irq.h" +#include "usb.h" +#endif +#include "lib/mp-readline/readline.h" +#include "lib/utils/pyexec.h" +#include "genhdr/mpversion.h" + +pyexec_mode_kind_t pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL; +int pyexec_system_exit = 0; + +#if MICROPY_REPL_INFO +STATIC bool repl_display_debugging_info = 0; +#endif + +#define EXEC_FLAG_PRINT_EOF (1) +#define EXEC_FLAG_ALLOW_DEBUGGING (2) +#define EXEC_FLAG_IS_REPL (4) +#define EXEC_FLAG_SOURCE_IS_RAW_CODE (8) +#define EXEC_FLAG_SOURCE_IS_VSTR (16) +#define EXEC_FLAG_SOURCE_IS_FILENAME (32) +#define EXEC_FLAG_SOURCE_IS_READER (64) + +// parses, compiles and executes the code in the lexer +// frees the lexer before returning +// EXEC_FLAG_PRINT_EOF prints 2 EOF chars: 1 after normal output, 1 after exception output +// EXEC_FLAG_ALLOW_DEBUGGING allows debugging info to be printed after executing the code +// EXEC_FLAG_IS_REPL is used for REPL inputs (flag passed on to mp_compile) +STATIC int parse_compile_execute(const void *source, mp_parse_input_kind_t input_kind, int exec_flags) { + int ret = 0; + #if MICROPY_REPL_INFO + uint32_t start = 0; + #endif + + #ifdef MICROPY_BOARD_BEFORE_PYTHON_EXEC + MICROPY_BOARD_BEFORE_PYTHON_EXEC(input_kind, exec_flags); + #endif + + // by default a SystemExit exception returns 0 + pyexec_system_exit = 0; + + nlr_buf_t nlr; + nlr.ret_val = NULL; + if (nlr_push(&nlr) == 0) { + mp_obj_t module_fun; + #if MICROPY_MODULE_FROZEN_MPY + if (exec_flags & EXEC_FLAG_SOURCE_IS_RAW_CODE) { + // source is a raw_code object, create the function + module_fun = mp_make_function_from_raw_code(source, MP_OBJ_NULL, MP_OBJ_NULL); + } else + #endif + { + #if MICROPY_ENABLE_COMPILER + mp_lexer_t *lex; + if (exec_flags & EXEC_FLAG_SOURCE_IS_VSTR) { + const vstr_t *vstr = source; + lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr->buf, vstr->len, 0); + } else if (exec_flags & EXEC_FLAG_SOURCE_IS_READER) { + lex = mp_lexer_new(MP_QSTR__lt_stdin_gt_, *(mp_reader_t *)source); + } else if (exec_flags & EXEC_FLAG_SOURCE_IS_FILENAME) { + lex = mp_lexer_new_from_file(source); + } else { + lex = (mp_lexer_t *)source; + } + // source is a lexer, parse and compile the script + qstr source_name = lex->source_name; + mp_parse_tree_t parse_tree = mp_parse(lex, input_kind); + module_fun = mp_compile(&parse_tree, source_name, exec_flags & EXEC_FLAG_IS_REPL); + #else + mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("script compilation not supported")); + #endif + } + + // execute code + mp_hal_set_interrupt_char(CHAR_CTRL_C); // allow ctrl-C to interrupt us + #if MICROPY_REPL_INFO + start = mp_hal_ticks_ms(); + #endif + mp_call_function_0(module_fun); + mp_hal_set_interrupt_char(-1); // disable interrupt + mp_handle_pending(true); // handle any pending exceptions (and any callbacks) + nlr_pop(); + ret = 1; + if (exec_flags & EXEC_FLAG_PRINT_EOF) { + mp_hal_stdout_tx_strn("\x04", 1); + } + } else { + // uncaught exception + mp_hal_set_interrupt_char(-1); // disable interrupt + mp_handle_pending(false); // clear any pending exceptions (and run any callbacks) + + if (exec_flags & EXEC_FLAG_SOURCE_IS_READER) { + const mp_reader_t *reader = source; + reader->close(reader->data); + } + + // print EOF after normal output + if (exec_flags & EXEC_FLAG_PRINT_EOF) { + mp_hal_stdout_tx_strn("\x04", 1); + } + // check for SystemExit + if (mp_obj_is_subclass_fast(MP_OBJ_FROM_PTR(((mp_obj_base_t *)nlr.ret_val)->type), MP_OBJ_FROM_PTR(&mp_type_SystemExit))) { + // at the moment, the value of SystemExit is unused + ret = pyexec_system_exit; + } else { + mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(nlr.ret_val)); + ret = 0; + } + } + + #if MICROPY_REPL_INFO + // display debugging info if wanted + if ((exec_flags & EXEC_FLAG_ALLOW_DEBUGGING) && repl_display_debugging_info) { + mp_uint_t ticks = mp_hal_ticks_ms() - start; // TODO implement a function that does this properly + printf("took " UINT_FMT " ms\n", ticks); + // qstr info + { + size_t n_pool, n_qstr, n_str_data_bytes, n_total_bytes; + qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes); + printf("qstr:\n n_pool=%u\n n_qstr=%u\n " + "n_str_data_bytes=%u\n n_total_bytes=%u\n", + (unsigned)n_pool, (unsigned)n_qstr, (unsigned)n_str_data_bytes, (unsigned)n_total_bytes); + } + + #if MICROPY_ENABLE_GC + // run collection and print GC info + gc_collect(); + gc_dump_info(); + #endif + } + #endif + + if (exec_flags & EXEC_FLAG_PRINT_EOF) { + mp_hal_stdout_tx_strn("\x04", 1); + } + + #ifdef MICROPY_BOARD_AFTER_PYTHON_EXEC + MICROPY_BOARD_AFTER_PYTHON_EXEC(input_kind, exec_flags, nlr.ret_val, &ret); + #endif + + return ret; +} + +#if MICROPY_ENABLE_COMPILER + +// This can be configured by a port (and even configured to a function to be +// computed dynamically) to indicate the maximum number of bytes that can be +// held in the stdin buffer. +#ifndef MICROPY_REPL_STDIN_BUFFER_MAX +#define MICROPY_REPL_STDIN_BUFFER_MAX (256) +#endif + +typedef struct _mp_reader_stdin_t { + bool eof; + uint16_t window_max; + uint16_t window_remain; +} mp_reader_stdin_t; + +STATIC mp_uint_t mp_reader_stdin_readbyte(void *data) { + mp_reader_stdin_t *reader = (mp_reader_stdin_t *)data; + + if (reader->eof) { + return MP_READER_EOF; + } + + int c = mp_hal_stdin_rx_chr(); + + if (c == CHAR_CTRL_C || c == CHAR_CTRL_D) { + reader->eof = true; + mp_hal_stdout_tx_strn("\x04", 1); // indicate end to host + if (c == CHAR_CTRL_C) { + #if MICROPY_KBD_EXCEPTION + MP_STATE_VM(mp_kbd_exception).traceback_data = NULL; + nlr_raise(MP_OBJ_FROM_PTR(&MP_STATE_VM(mp_kbd_exception))); + #else + mp_raise_type(&mp_type_KeyboardInterrupt); + #endif + } else { + return MP_READER_EOF; + } + } + + if (--reader->window_remain == 0) { + mp_hal_stdout_tx_strn("\x01", 1); // indicate window available to host + reader->window_remain = reader->window_max; + } + + return c; +} + +STATIC void mp_reader_stdin_close(void *data) { + mp_reader_stdin_t *reader = (mp_reader_stdin_t *)data; + if (!reader->eof) { + reader->eof = true; + mp_hal_stdout_tx_strn("\x04", 1); // indicate end to host + for (;;) { + int c = mp_hal_stdin_rx_chr(); + if (c == CHAR_CTRL_C || c == CHAR_CTRL_D) { + break; + } + } + } +} + +STATIC void mp_reader_new_stdin(mp_reader_t *reader, mp_reader_stdin_t *reader_stdin, uint16_t buf_max) { + // Make flow-control window half the buffer size, and indicate to the host that 2x windows are + // free (sending the window size implicitly indicates that a window is free, and then the 0x01 + // indicates that another window is free). + size_t window = buf_max / 2; + char reply[3] = { window & 0xff, window >> 8, 0x01 }; + mp_hal_stdout_tx_strn(reply, sizeof(reply)); + + reader_stdin->eof = false; + reader_stdin->window_max = window; + reader_stdin->window_remain = window; + reader->data = reader_stdin; + reader->readbyte = mp_reader_stdin_readbyte; + reader->close = mp_reader_stdin_close; +} + +STATIC int do_reader_stdin(int c) { + if (c != 'A') { + // Unsupported command. + mp_hal_stdout_tx_strn("R\x00", 2); + return 0; + } + + // Indicate reception of command. + mp_hal_stdout_tx_strn("R\x01", 2); + + mp_reader_t reader; + mp_reader_stdin_t reader_stdin; + mp_reader_new_stdin(&reader, &reader_stdin, MICROPY_REPL_STDIN_BUFFER_MAX); + int exec_flags = EXEC_FLAG_PRINT_EOF | EXEC_FLAG_SOURCE_IS_READER; + return parse_compile_execute(&reader, MP_PARSE_FILE_INPUT, exec_flags); +} + +#if MICROPY_REPL_EVENT_DRIVEN + +typedef struct _repl_t { + // This structure originally also held current REPL line, + // but it was moved to MP_STATE_VM(repl_line) as containing + // root pointer. Still keep structure in case more state + // will be added later. + // vstr_t line; + bool cont_line; + bool paste_mode; +} repl_t; + +repl_t repl; + +STATIC int pyexec_raw_repl_process_char(int c); +STATIC int pyexec_friendly_repl_process_char(int c); + +void pyexec_event_repl_init(void) { + MP_STATE_VM(repl_line) = vstr_new(32); + repl.cont_line = false; + repl.paste_mode = false; + // no prompt before printing friendly REPL banner or entering raw REPL + readline_init(MP_STATE_VM(repl_line), ""); + if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) { + pyexec_raw_repl_process_char(CHAR_CTRL_A); + } else { + pyexec_friendly_repl_process_char(CHAR_CTRL_B); + } +} + +STATIC int pyexec_raw_repl_process_char(int c) { + if (c == CHAR_CTRL_A) { + // reset raw REPL + if (vstr_len(MP_STATE_VM(repl_line)) == 2 && vstr_str(MP_STATE_VM(repl_line))[0] == CHAR_CTRL_E) { + int ret = do_reader_stdin(vstr_str(MP_STATE_VM(repl_line))[1]); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + goto reset; + } + mp_hal_stdout_tx_str("raw REPL; CTRL-B to exit\r\n"); + goto reset; + } else if (c == CHAR_CTRL_B) { + // change to friendly REPL + pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL; + vstr_reset(MP_STATE_VM(repl_line)); + repl.cont_line = false; + repl.paste_mode = false; + pyexec_friendly_repl_process_char(CHAR_CTRL_B); + return 0; + } else if (c == CHAR_CTRL_C) { + // clear line + vstr_reset(MP_STATE_VM(repl_line)); + return 0; + } else if (c == CHAR_CTRL_D) { + // input finished + } else { + // let through any other raw 8-bit value + vstr_add_byte(MP_STATE_VM(repl_line), c); + return 0; + } + + // indicate reception of command + mp_hal_stdout_tx_str("OK"); + + if (MP_STATE_VM(repl_line)->len == 0) { + // exit for a soft reset + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(MP_STATE_VM(repl_line)); + return PYEXEC_FORCED_EXIT; + } + + int ret = parse_compile_execute(MP_STATE_VM(repl_line), MP_PARSE_FILE_INPUT, EXEC_FLAG_PRINT_EOF | EXEC_FLAG_SOURCE_IS_VSTR); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + +reset: + vstr_reset(MP_STATE_VM(repl_line)); + mp_hal_stdout_tx_str(">"); + + return 0; +} + +STATIC int pyexec_friendly_repl_process_char(int c) { + if (repl.paste_mode) { + if (c == CHAR_CTRL_C) { + // cancel everything + mp_hal_stdout_tx_str("\r\n"); + goto input_restart; + } else if (c == CHAR_CTRL_D) { + // end of input + mp_hal_stdout_tx_str("\r\n"); + int ret = parse_compile_execute(MP_STATE_VM(repl_line), MP_PARSE_FILE_INPUT, EXEC_FLAG_ALLOW_DEBUGGING | EXEC_FLAG_IS_REPL | EXEC_FLAG_SOURCE_IS_VSTR); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + goto input_restart; + } else { + // add char to buffer and echo + vstr_add_byte(MP_STATE_VM(repl_line), c); + if (c == '\r') { + mp_hal_stdout_tx_str("\r\n=== "); + } else { + char buf[1] = {c}; + mp_hal_stdout_tx_strn(buf, 1); + } + return 0; + } + } + + int ret = readline_process_char(c); + + if (!repl.cont_line) { + + if (ret == CHAR_CTRL_A) { + // change to raw REPL + pyexec_mode_kind = PYEXEC_MODE_RAW_REPL; + mp_hal_stdout_tx_str("\r\n"); + pyexec_raw_repl_process_char(CHAR_CTRL_A); + return 0; + } else if (ret == CHAR_CTRL_B) { + // reset friendly REPL + mp_hal_stdout_tx_str("\r\n"); + mp_hal_stdout_tx_str("MicroPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME "\r\n"); + #if MICROPY_PY_BUILTINS_HELP + mp_hal_stdout_tx_str("Type \"help()\" for more information.\r\n"); + #endif + goto input_restart; + } else if (ret == CHAR_CTRL_C) { + // break + mp_hal_stdout_tx_str("\r\n"); + goto input_restart; + } else if (ret == CHAR_CTRL_D) { + // exit for a soft reset + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(MP_STATE_VM(repl_line)); + return PYEXEC_FORCED_EXIT; + } else if (ret == CHAR_CTRL_E) { + // paste mode + mp_hal_stdout_tx_str("\r\npaste mode; Ctrl-C to cancel, Ctrl-D to finish\r\n=== "); + vstr_reset(MP_STATE_VM(repl_line)); + repl.paste_mode = true; + return 0; + } + + if (ret < 0) { + return 0; + } + + if (!mp_repl_continue_with_input(vstr_null_terminated_str(MP_STATE_VM(repl_line)))) { + goto exec; + } + + vstr_add_byte(MP_STATE_VM(repl_line), '\n'); + repl.cont_line = true; + readline_note_newline("... "); + return 0; + + } else { + + if (ret == CHAR_CTRL_C) { + // cancel everything + mp_hal_stdout_tx_str("\r\n"); + repl.cont_line = false; + goto input_restart; + } else if (ret == CHAR_CTRL_D) { + // stop entering compound statement + goto exec; + } + + if (ret < 0) { + return 0; + } + + if (mp_repl_continue_with_input(vstr_null_terminated_str(MP_STATE_VM(repl_line)))) { + vstr_add_byte(MP_STATE_VM(repl_line), '\n'); + readline_note_newline("... "); + return 0; + } + + exec:; + int ret = parse_compile_execute(MP_STATE_VM(repl_line), MP_PARSE_SINGLE_INPUT, EXEC_FLAG_ALLOW_DEBUGGING | EXEC_FLAG_IS_REPL | EXEC_FLAG_SOURCE_IS_VSTR); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + + input_restart: + vstr_reset(MP_STATE_VM(repl_line)); + repl.cont_line = false; + repl.paste_mode = false; + readline_init(MP_STATE_VM(repl_line), ">>> "); + return 0; + } +} + +uint8_t pyexec_repl_active; +int pyexec_event_repl_process_char(int c) { + pyexec_repl_active = 1; + int res; + if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) { + res = pyexec_raw_repl_process_char(c); + } else { + res = pyexec_friendly_repl_process_char(c); + } + pyexec_repl_active = 0; + return res; +} + +#else // MICROPY_REPL_EVENT_DRIVEN + +int pyexec_raw_repl(void) { + vstr_t line; + vstr_init(&line, 32); + +raw_repl_reset: + mp_hal_stdout_tx_str("raw REPL; CTRL-B to exit\r\n"); + + for (;;) { + vstr_reset(&line); + mp_hal_stdout_tx_str(">"); + for (;;) { + int c = mp_hal_stdin_rx_chr(); + if (c == CHAR_CTRL_A) { + // reset raw REPL + if (vstr_len(&line) == 2 && vstr_str(&line)[0] == CHAR_CTRL_E) { + int ret = do_reader_stdin(vstr_str(&line)[1]); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + vstr_reset(&line); + mp_hal_stdout_tx_str(">"); + continue; + } + goto raw_repl_reset; + } else if (c == CHAR_CTRL_B) { + // change to friendly REPL + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(&line); + pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL; + return 0; + } else if (c == CHAR_CTRL_C) { + // clear line + vstr_reset(&line); + } else if (c == CHAR_CTRL_D) { + // input finished + break; + } else { + // let through any other raw 8-bit value + vstr_add_byte(&line, c); + } + } + + // indicate reception of command + mp_hal_stdout_tx_str("OK"); + + if (line.len == 0) { + // exit for a soft reset + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(&line); + return PYEXEC_FORCED_EXIT; + } + + int ret = parse_compile_execute(&line, MP_PARSE_FILE_INPUT, EXEC_FLAG_PRINT_EOF | EXEC_FLAG_SOURCE_IS_VSTR); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + } +} + +int pyexec_friendly_repl(void) { + vstr_t line; + vstr_init(&line, 32); + +friendly_repl_reset: + mp_hal_stdout_tx_str("MicroPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME "\r\n"); + #if MICROPY_PY_BUILTINS_HELP + mp_hal_stdout_tx_str("Type \"help()\" for more information.\r\n"); + #endif + + // to test ctrl-C + /* + { + uint32_t x[4] = {0x424242, 0xdeaddead, 0x242424, 0xdeadbeef}; + for (;;) { + nlr_buf_t nlr; + printf("pyexec_repl: %p\n", x); + mp_hal_set_interrupt_char(CHAR_CTRL_C); + if (nlr_push(&nlr) == 0) { + for (;;) { + } + } else { + printf("break\n"); + } + } + } + */ + + for (;;) { + input_restart: + + #if MICROPY_HW_ENABLE_USB + if (usb_vcp_is_enabled()) { + // If the user gets to here and interrupts are disabled then + // they'll never see the prompt, traceback etc. The USB REPL needs + // interrupts to be enabled or no transfers occur. So we try to + // do the user a favor and reenable interrupts. + if (query_irq() == IRQ_STATE_DISABLED) { + enable_irq(IRQ_STATE_ENABLED); + mp_hal_stdout_tx_str("MPY: enabling IRQs\r\n"); + } + } + #endif + + // If the GC is locked at this point there is no way out except a reset, + // so force the GC to be unlocked to help the user debug what went wrong. + if (MP_STATE_THREAD(gc_lock_depth) != 0) { + MP_STATE_THREAD(gc_lock_depth) = 0; + } + + vstr_reset(&line); + int ret = readline(&line, ">>> "); + mp_parse_input_kind_t parse_input_kind = MP_PARSE_SINGLE_INPUT; + + if (ret == CHAR_CTRL_A) { + // change to raw REPL + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(&line); + pyexec_mode_kind = PYEXEC_MODE_RAW_REPL; + return 0; + } else if (ret == CHAR_CTRL_B) { + // reset friendly REPL + mp_hal_stdout_tx_str("\r\n"); + goto friendly_repl_reset; + } else if (ret == CHAR_CTRL_C) { + // break + mp_hal_stdout_tx_str("\r\n"); + continue; + } else if (ret == CHAR_CTRL_D) { + // exit for a soft reset + mp_hal_stdout_tx_str("\r\n"); + vstr_clear(&line); + return PYEXEC_FORCED_EXIT; + } else if (ret == CHAR_CTRL_E) { + // paste mode + mp_hal_stdout_tx_str("\r\npaste mode; Ctrl-C to cancel, Ctrl-D to finish\r\n=== "); + vstr_reset(&line); + for (;;) { + char c = mp_hal_stdin_rx_chr(); + if (c == CHAR_CTRL_C) { + // cancel everything + mp_hal_stdout_tx_str("\r\n"); + goto input_restart; + } else if (c == CHAR_CTRL_D) { + // end of input + mp_hal_stdout_tx_str("\r\n"); + break; + } else { + // add char to buffer and echo + vstr_add_byte(&line, c); + if (c == '\r') { + mp_hal_stdout_tx_str("\r\n=== "); + } else { + mp_hal_stdout_tx_strn(&c, 1); + } + } + } + parse_input_kind = MP_PARSE_FILE_INPUT; + } else if (vstr_len(&line) == 0) { + continue; + } else { + // got a line with non-zero length, see if it needs continuing + while (mp_repl_continue_with_input(vstr_null_terminated_str(&line))) { + vstr_add_byte(&line, '\n'); + ret = readline(&line, "... "); + if (ret == CHAR_CTRL_C) { + // cancel everything + mp_hal_stdout_tx_str("\r\n"); + goto input_restart; + } else if (ret == CHAR_CTRL_D) { + // stop entering compound statement + break; + } + } + } + + ret = parse_compile_execute(&line, parse_input_kind, EXEC_FLAG_ALLOW_DEBUGGING | EXEC_FLAG_IS_REPL | EXEC_FLAG_SOURCE_IS_VSTR); + if (ret & PYEXEC_FORCED_EXIT) { + return ret; + } + } +} + +#endif // MICROPY_REPL_EVENT_DRIVEN +#endif // MICROPY_ENABLE_COMPILER + +int pyexec_file(const char *filename) { + return parse_compile_execute(filename, MP_PARSE_FILE_INPUT, EXEC_FLAG_SOURCE_IS_FILENAME); +} + +int pyexec_file_if_exists(const char *filename) { + #if MICROPY_MODULE_FROZEN + if (mp_frozen_stat(filename) == MP_IMPORT_STAT_FILE) { + return pyexec_frozen_module(filename); + } + #endif + if (mp_import_stat(filename) != MP_IMPORT_STAT_FILE) { + return 1; // success (no file is the same as an empty file executing without fail) + } + return pyexec_file(filename); +} + +#if MICROPY_MODULE_FROZEN +int pyexec_frozen_module(const char *name) { + void *frozen_data; + int frozen_type = mp_find_frozen_module(name, strlen(name), &frozen_data); + + switch (frozen_type) { + #if MICROPY_MODULE_FROZEN_STR + case MP_FROZEN_STR: + return parse_compile_execute(frozen_data, MP_PARSE_FILE_INPUT, 0); + #endif + + #if MICROPY_MODULE_FROZEN_MPY + case MP_FROZEN_MPY: + return parse_compile_execute(frozen_data, MP_PARSE_FILE_INPUT, EXEC_FLAG_SOURCE_IS_RAW_CODE); + #endif + + default: + printf("could not find module '%s'\n", name); + return false; + } +} +#endif + +#if MICROPY_REPL_INFO +mp_obj_t pyb_set_repl_info(mp_obj_t o_value) { + repl_display_debugging_info = mp_obj_get_int(o_value); + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_1(pyb_set_repl_info_obj, pyb_set_repl_info); +#endif |