diff options
Diffstat (limited to 'cortex-m3-qemu/pyexec.c')
| -rw-r--r-- | cortex-m3-qemu/pyexec.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/cortex-m3-qemu/pyexec.c b/cortex-m3-qemu/pyexec.c deleted file mode 100644 index 298e58a5fd..0000000000 --- a/cortex-m3-qemu/pyexec.c +++ /dev/null @@ -1,237 +0,0 @@ -#include <stdlib.h> -#include <stdio.h> - -#include <stm32f4xx_hal.h> - -#include "nlr.h" -#include "misc.h" -#include "mpconfig.h" -#include "qstr.h" -#include "misc.h" -#include "lexer.h" -#include "parse.h" -#include "obj.h" -#include "parsehelper.h" -#include "compile.h" -#include "runtime.h" -#include "repl.h" -#include "gc.h" -#include "gccollect.h" -#include "systick.h" -#include "pybstdio.h" -#include "readline.h" -#include "pyexec.h" -#include "storage.h" -#include "usb.h" -#include "build/py/py-version.h" - -pyexec_mode_kind_t pyexec_mode_kind = PYEXEC_MODE_FRIENDLY_REPL; -STATIC bool repl_display_debugging_info = 0; - -// parses, compiles and executes the code in the lexer -// frees the lexer before returning -bool parse_compile_execute(mp_lexer_t *lex, mp_parse_input_kind_t input_kind, bool is_repl) { - mp_parse_error_kind_t parse_error_kind; - mp_parse_node_t pn = mp_parse(lex, input_kind, &parse_error_kind); - qstr source_name = mp_lexer_source_name(lex); - - if (pn == MP_PARSE_NODE_NULL) { - // parse error - mp_parse_show_exception(lex, parse_error_kind); - mp_lexer_free(lex); - return false; - } - - mp_lexer_free(lex); - - mp_obj_t module_fun = mp_compile(pn, source_name, MP_EMIT_OPT_NONE, is_repl); - mp_parse_node_free(pn); - - if (module_fun == mp_const_none) { - return false; - } - - nlr_buf_t nlr; - bool ret; - uint32_t start = HAL_GetTick(); - if (nlr_push(&nlr) == 0) { - usb_vcp_set_interrupt_char(VCP_CHAR_CTRL_C); // allow ctrl-C to interrupt us - mp_call_function_0(module_fun); - usb_vcp_set_interrupt_char(VCP_CHAR_NONE); // disable interrupt - nlr_pop(); - ret = true; - } else { - // uncaught exception - // FIXME it could be that an interrupt happens just before we disable it here - usb_vcp_set_interrupt_char(VCP_CHAR_NONE); // disable interrupt - mp_obj_print_exception((mp_obj_t)nlr.ret_val); - ret = false; - } - - // display debugging info if wanted - if (is_repl && repl_display_debugging_info) { - uint32_t ticks = HAL_GetTick() - start; // TODO implement a function that does this properly - printf("took %lu ms\n", ticks); - gc_collect(); - // qstr info - { - uint 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", n_pool, n_qstr, n_str_data_bytes, n_total_bytes); - } - - // GC info - { - gc_info_t info; - gc_info(&info); - printf("GC:\n"); - printf(" %lu total\n", info.total); - printf(" %lu : %lu\n", info.used, info.free); - printf(" 1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block); - } - } - - return ret; -} - -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 == VCP_CHAR_CTRL_A) { - // reset raw REPL - goto raw_repl_reset; - } else if (c == VCP_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 == VCP_CHAR_CTRL_C) { - // clear line - vstr_reset(&line); - } else if (c == VCP_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 1; - } - - mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line.buf, line.len, 0); - parse_compile_execute(lex, MP_PARSE_FILE_INPUT, false); - - // indicate end of output with EOF character - stdout_tx_str("\004"); - } -} - -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 build " MICROPY_GIT_HASH " on " MICROPY_BUILD_DATE "; " MICROPY_HW_BOARD_NAME " with STM32F405RG\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); - usb_vcp_set_interrupt_char(VCP_CHAR_CTRL_C); - if (nlr_push(&nlr) == 0) { - for (;;) { - } - } else { - printf("break\n"); - } - } - } - */ - - for (;;) { - vstr_reset(&line); - int ret = readline(&line, ">>> "); - - if (ret == VCP_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 == VCP_CHAR_CTRL_B) { - // reset friendly REPL - stdout_tx_str("\r\n"); - goto friendly_repl_reset; - } else if (ret == VCP_CHAR_CTRL_C) { - // break - stdout_tx_str("\r\n"); - continue; - } else if (ret == VCP_CHAR_CTRL_D) { - // exit for a soft reset - stdout_tx_str("\r\n"); - vstr_clear(&line); - return 1; - } 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 == VCP_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); - parse_compile_execute(lex, MP_PARSE_SINGLE_INPUT, true); - } -} - -bool pyexec_file(const char *filename) { - mp_lexer_t *lex = mp_lexer_new_from_file(filename); - - if (lex == NULL) { - printf("could not open file '%s' for reading\n", filename); - return false; - } - - return parse_compile_execute(lex, MP_PARSE_FILE_INPUT, false); -} - -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); |