int pyexec_raw_repl(void) {
vstr_t line;
vstr_init(&line, 32);
raw_repl_reset:
stdout_tx_str("raw REPL; CTRL-B to exit\r\n");
for (;;) {
vstr_reset(&line);
stdout_tx_str(">");
for (;;) {
char c = stdin_rx_chr();
if (c == CHAR_CTRL_A) {
// reset raw REPL
goto raw_repl_reset;
} else if (c == CHAR_CTRL_B) {
// change to friendly REPL
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 if (c <= 127) {
// let through any other ASCII character
vstr_add_char(&line, c);
}
}
// indicate reception of command
stdout_tx_str("OK");
if (line.len == 0) {
// exit for a soft reset
stdout_tx_str("\r\n");
vstr_clear(&line);
return PYEXEC_FORCED_EXIT;
}
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line.buf, line.len, 0);
if (lex == NULL) {
printf("\x04MemoryError\n\x04");
} else {
int ret = parse_compile_execute(lex, MP_PARSE_FILE_INPUT, EXEC_FLAG_PRINT_EOF);
if (ret & PYEXEC_FORCED_EXIT) {
return ret;
}
}
}
}
int pyexec_friendly_repl(void) {
vstr_t line;
vstr_init(&line, 32);
#if defined(USE_HOST_MODE) && MICROPY_HW_HAS_LCD
// in host mode, we enable the LCD for the repl
mp_obj_t lcd_o = mp_call_function_0(mp_load_name(qstr_from_str("LCD")));
mp_call_function_1(mp_load_attr(lcd_o, qstr_from_str("light")), mp_const_true);
#endif
friendly_repl_reset:
stdout_tx_str("Micro Python " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with " MICROPY_HW_MCU_NAME "\r\n");
stdout_tx_str("Type \"help()\" for more information.\r\n");
// 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:
vstr_reset(&line);
int ret = readline(&line, ">>> ");
if (ret == CHAR_CTRL_A) {
// change to raw REPL
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
stdout_tx_str("\r\n");
goto friendly_repl_reset;
} else if (ret == CHAR_CTRL_C) {
// break
stdout_tx_str("\r\n");
continue;
} else if (ret == CHAR_CTRL_D) {
// exit for a soft reset
stdout_tx_str("\r\n");
vstr_clear(&line);
return PYEXEC_FORCED_EXIT;
} else if (vstr_len(&line) == 0) {
continue;
}
while (mp_repl_continue_with_input(vstr_str(&line))) {
vstr_add_char(&line, '\n');
int ret = readline(&line, "... ");
if (ret == CHAR_CTRL_C) {
// cancel everything
stdout_tx_str("\r\n");
goto input_restart;
} else if (ret == CHAR_CTRL_D) {
// stop entering compound statement
break;
}
}
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&line), vstr_len(&line), 0);
if (lex == NULL) {
printf("MemoryError\n");
} else {
int ret = parse_compile_execute(lex, MP_PARSE_SINGLE_INPUT, EXEC_FLAG_ALLOW_DEBUGGING | EXEC_FLAG_IS_REPL);
if (ret & PYEXEC_FORCED_EXIT) {
return ret;
}
}
}
}
int pyexec_friendly_repl_process_char(int c) {
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;
stdout_tx_str("\r\n");
vstr_clear(&repl.line);
return PYEXEC_SWITCH_MODE;
} else if (ret == CHAR_CTRL_B) {
// reset friendly REPL
stdout_tx_str("\r\n");
goto friendly_repl_reset;
} else if (ret == CHAR_CTRL_C) {
// break
stdout_tx_str("\r\n");
goto input_restart;
} else if (ret == CHAR_CTRL_D) {
// exit for a soft reset
stdout_tx_str("\r\n");
vstr_clear(&repl.line);
return PYEXEC_FORCED_EXIT;
} else if (vstr_len(&repl.line) == 0) {
//goto input_restart;
}
if (ret < 0) {
return 0;
}
if (!mp_repl_continue_with_input(vstr_null_terminated_str(&repl.line))) {
goto exec;
}
vstr_add_byte(&repl.line, '\n');
repl.cont_line = true;
stdout_tx_str("... ");
readline_note_newline();
return 0;
} else {
if (ret == CHAR_CTRL_C) {
// cancel everything
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(&repl.line))) {
vstr_add_byte(&repl.line, '\n');
stdout_tx_str("... ");
readline_note_newline();
return 0;
}
exec: ;
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, vstr_str(&repl.line), vstr_len(&repl.line), 0);
if (lex == NULL) {
printf("MemoryError\n");
} else {
int ret = parse_compile_execute(lex, MP_PARSE_SINGLE_INPUT, EXEC_FLAG_ALLOW_DEBUGGING | EXEC_FLAG_IS_REPL);
if (ret & PYEXEC_FORCED_EXIT) {
return ret;
}
}
friendly_repl_reset: // TODO
input_restart:
pyexec_friendly_repl_reset();
stdout_tx_str(">>> ");
return 0;
}
}
void pyexec_friendly_repl_init(void) {
vstr_init(&repl.line, 32);
repl.cont_line = false;
readline_init(&repl.line);
stdout_tx_str(">>> ");
}
