示例#1
0
STATIC int do_repl(void) {
    mp_hal_stdout_tx_str("Micro Python " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; " MICROPY_PY_SYS_PLATFORM " version\n");

    for (;;) {
        char *line = prompt(">>> ");
        if (line == NULL) {
            // EOF
            return 0;
        }
        while (mp_repl_continue_with_input(line)) {
            char *line2 = prompt("... ");
            if (line2 == NULL) {
                break;
            }
            char *line3 = strjoin(line, '\n', line2);
            free(line);
            free(line2);
            line = line3;
        }

        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
        int ret = execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);
        if (ret & FORCED_EXIT) {
            return ret;
        }
        free(line);
    }
}
示例#2
0
STATIC void do_repl(void) {
    printf("Micro Python " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; UNIX version\n");

    for (;;) {
        char *line = prompt(">>> ");
        if (line == NULL) {
            // EOF
            return;
        }
        while (mp_repl_continue_with_input(line)) {
            char *line2 = prompt("... ");
            if (line2 == NULL) {
                break;
            }
            char *line3 = strjoin(line, '\n', line2);
            free(line);
            free(line2);
            line = line3;
        }

        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
        execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);
        free(line);
    }
}
示例#3
0
void main_repl(int argc, char **argv) {
    if (!net_repl_connect()) {

    }

    net_repl_packet_t packet;
    char *line;

    mp_init();
    setup_sys(argc, argv);

    for (; ;) {
        // non-blocking
        net_repl_recv(&packet);
        switch (packet.type) {
            case REPL_QUIT:
                return;
            case REPL_WAIT:
                continue;
            default:
                break;
        }
        if (packet.type == REPL_QUIT) {
            return;
        }

        line = strdup(packet.line);

        while (mp_repl_continue_with_input(line)) {
            net_repl_send(REPL_CONTINUE, NULL, false);
            net_repl_recv(&packet);

            if (packet.type == REPL_QUIT) {
                free(line);
                return;
            } else if (packet.line_len == 0) {
                break;
            }

            char *joined = strjoin(line, '\n', packet.line);
            free(line);

            line = joined;
        }

        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
        int ret = execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);

        free(line);
        if (ret == ERR_SYS_EXIT) {
            return;
        }
    }
}
示例#4
0
STATIC int do_file(const char *file) {
    struct stat st;
    stat(file, &st);
    if (!S_ISREG(st.st_mode)) {
        init_console();
        printf("Could not locate \"%s\"\n", file);
        return ERR_FILE_NOT_FOUND;
    }

    mp_lexer_t *lex = mp_lexer_new_from_file(file);
    return execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
}
示例#5
0
int main(int argc, char **argv) {
    mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));

    pre_process_options(argc, argv);

#if MICROPY_ENABLE_GC
    char *heap = malloc(heap_size);
    gc_init(heap, heap + heap_size);
#endif

    mp_init();

    #ifndef _WIN32
    // create keyboard interrupt object
    MP_STATE_VM(keyboard_interrupt_obj) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
    #endif

    char *home = getenv("HOME");
    char *path = getenv("MICROPYPATH");
    if (path == NULL) {
        #ifdef MICROPY_PY_SYS_PATH_DEFAULT
        path = MICROPY_PY_SYS_PATH_DEFAULT;
        #else
        path = "~/.micropython/lib:/usr/lib/micropython";
        #endif
    }
    mp_uint_t path_num = 1; // [0] is for current dir (or base dir of the script)
    for (char *p = path; p != NULL; p = strchr(p, PATHLIST_SEP_CHAR)) {
        path_num++;
        if (p != NULL) {
            p++;
        }
    }
    mp_obj_list_init(mp_sys_path, path_num);
    mp_obj_t *path_items;
    mp_obj_list_get(mp_sys_path, &path_num, &path_items);
    path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
    {
    char *p = path;
    for (mp_uint_t i = 1; i < path_num; i++) {
        char *p1 = strchr(p, PATHLIST_SEP_CHAR);
        if (p1 == NULL) {
            p1 = p + strlen(p);
        }
        if (p[0] == '~' && p[1] == '/' && home != NULL) {
            // Expand standalone ~ to $HOME
            CHECKBUF(buf, PATH_MAX);
            CHECKBUF_APPEND(buf, home, strlen(home));
            CHECKBUF_APPEND(buf, p + 1, (size_t)(p1 - p - 1));
            path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(buf, CHECKBUF_LEN(buf)));
        } else {
            path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(p, p1 - p));
        }
        p = p1 + 1;
    }
    }

    mp_obj_list_init(mp_sys_argv, 0);

    #if defined(MICROPY_UNIX_COVERAGE)
    {
        MP_DECLARE_CONST_FUN_OBJ(extra_coverage_obj);
        mp_store_global(QSTR_FROM_STR_STATIC("extra_coverage"), (mp_obj_t)&extra_coverage_obj);
    }
    #endif

    // Here is some example code to create a class and instance of that class.
    // First is the Python, then the C code.
    //
    // class TestClass:
    //     pass
    // test_obj = TestClass()
    // test_obj.attr = 42
    //
    // mp_obj_t test_class_type, test_class_instance;
    // test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
    // mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
    // mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));

    /*
    printf("bytes:\n");
    printf("    total %d\n", m_get_total_bytes_allocated());
    printf("    cur   %d\n", m_get_current_bytes_allocated());
    printf("    peak  %d\n", m_get_peak_bytes_allocated());
    */

    const int NOTHING_EXECUTED = -2;
    int ret = NOTHING_EXECUTED;
    for (int a = 1; a < argc; a++) {
        if (argv[a][0] == '-') {
            if (strcmp(argv[a], "-c") == 0) {
                if (a + 1 >= argc) {
                    return usage(argv);
                }
                ret = do_str(argv[a + 1]);
                if (ret & FORCED_EXIT) {
                    break;
                }
                a += 1;
            } else if (strcmp(argv[a], "-m") == 0) {
                if (a + 1 >= argc) {
                    return usage(argv);
                }
                mp_obj_t import_args[4];
                import_args[0] = mp_obj_new_str(argv[a + 1], strlen(argv[a + 1]), false);
                import_args[1] = import_args[2] = mp_const_none;
                // Ask __import__ to handle imported module specially - set its __name__
                // to __main__, and also return this leaf module, not top-level package
                // containing it.
                import_args[3] = mp_const_false;
                // TODO: https://docs.python.org/3/using/cmdline.html#cmdoption-m :
                // "the first element of sys.argv will be the full path to
                // the module file (while the module file is being located,
                // the first element will be set to "-m")."
                set_sys_argv(argv, argc, a + 1);

                mp_obj_t mod;
                nlr_buf_t nlr;
                if (nlr_push(&nlr) == 0) {
                    mod = mp_builtin___import__(MP_ARRAY_SIZE(import_args), import_args);
                    nlr_pop();
                } else {
                    // uncaught exception
                    return handle_uncaught_exception((mp_obj_t)nlr.ret_val) & 0xff;
                }

                if (mp_obj_is_package(mod)) {
                    // TODO
                    fprintf(stderr, "%s: -m for packages not yet implemented\n", argv[0]);
                    exit(1);
                }
                ret = 0;
                break;
            } else if (strcmp(argv[a], "-X") == 0) {
                a += 1;
            } else if (strcmp(argv[a], "-v") == 0) {
                mp_verbose_flag++;
            } else if (strncmp(argv[a], "-O", 2) == 0) {
                if (isdigit(argv[a][2])) {
                    MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
                } else {
                    MP_STATE_VM(mp_optimise_value) = 0;
                    for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++);
                }
            } else {
                return usage(argv);
            }
        } else {
            char *pathbuf = malloc(PATH_MAX);
            char *basedir = realpath(argv[a], pathbuf);
            if (basedir == NULL) {
                fprintf(stderr, "%s: can't open file '%s': [Errno %d] ", argv[0], argv[a], errno);
                perror("");
                // CPython exits with 2 in such case
                ret = 2;
                break;
            }

            // Set base dir of the script as first entry in sys.path
            char *p = strrchr(basedir, '/');
            path_items[0] = MP_OBJ_NEW_QSTR(qstr_from_strn(basedir, p - basedir));
            free(pathbuf);

            set_sys_argv(argv, argc, a);
            ret = do_file(argv[a]);
            break;
        }
    }

    if (ret == NOTHING_EXECUTED) {
        if (isatty(0)) {
            prompt_read_history();
            ret = do_repl();
            prompt_write_history();
        } else {
            mp_lexer_t *lex = mp_lexer_new_from_fd(MP_QSTR__lt_stdin_gt_, 0, false);
            ret = execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
        }
    }

    #if MICROPY_PY_MICROPYTHON_MEM_INFO
    if (mp_verbose_flag) {
        mp_micropython_mem_info(0, NULL);
    }
    #endif

    mp_deinit();

#if MICROPY_ENABLE_GC && !defined(NDEBUG)
    // We don't really need to free memory since we are about to exit the
    // process, but doing so helps to find memory leaks.
    free(heap);
#endif

    //printf("total bytes = %d\n", m_get_total_bytes_allocated());
    return ret & 0xff;
}
示例#6
0
STATIC int do_str(const char *str) {
    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, str, strlen(str), false);
    return execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
}
示例#7
0
STATIC int do_file(const char *file) {
    mp_lexer_t *lex = mp_lexer_new_from_file(file);
    return execute_from_lexer(lex, MP_PARSE_FILE_INPUT, false);
}
示例#8
0
STATIC int do_repl(void) {
    mp_hal_stdout_tx_str("MicroPython " MICROPY_GIT_TAG " on " MICROPY_BUILD_DATE "; "
        MICROPY_PY_SYS_PLATFORM " version\nUse Ctrl-D to exit, Ctrl-E for paste mode\n");

    #if MICROPY_USE_READLINE == 1

    // use MicroPython supplied readline

    vstr_t line;
    vstr_init(&line, 16);
    for (;;) {
        mp_hal_stdio_mode_raw();

    input_restart:
        vstr_reset(&line);
        int ret = readline(&line, ">>> ");
        mp_parse_input_kind_t parse_input_kind = MP_PARSE_SINGLE_INPUT;

        if (ret == CHAR_CTRL_C) {
            // cancel input
            mp_hal_stdout_tx_str("\r\n");
            goto input_restart;
        } else if (ret == CHAR_CTRL_D) {
            // EOF
            printf("\n");
            mp_hal_stdio_mode_orig();
            vstr_clear(&line);
            return 0;
        } else if (ret == CHAR_CTRL_E) {
            // paste mode
            mp_hal_stdout_tx_str("\npaste mode; Ctrl-C to cancel, Ctrl-D to finish\n=== ");
            vstr_reset(&line);
            for (;;) {
                char c = mp_hal_stdin_rx_chr();
                if (c == CHAR_CTRL_C) {
                    // cancel everything
                    mp_hal_stdout_tx_str("\n");
                    goto input_restart;
                } else if (c == CHAR_CTRL_D) {
                    // end of input
                    mp_hal_stdout_tx_str("\n");
                    break;
                } else {
                    // add char to buffer and echo
                    vstr_add_byte(&line, c);
                    if (c == '\r') {
                        mp_hal_stdout_tx_str("\n=== ");
                    } else {
                        mp_hal_stdout_tx_strn(&c, 1);
                    }
                }
            }
            parse_input_kind = MP_PARSE_FILE_INPUT;
        } else if (line.len == 0) {
            if (ret != 0) {
                printf("\n");
            }
            goto input_restart;
        } 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
                    printf("\n");
                    goto input_restart;
                } else if (ret == CHAR_CTRL_D) {
                    // stop entering compound statement
                    break;
                }
            }
        }

        mp_hal_stdio_mode_orig();

        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line.buf, line.len, false);
        ret = execute_from_lexer(lex, parse_input_kind, true);
        if (ret & FORCED_EXIT) {
            return ret;
        }
    }

    #else

    // use GNU or simple readline

    for (;;) {
        char *line = prompt(">>> ");
        if (line == NULL) {
            // EOF
            return 0;
        }
        while (mp_repl_continue_with_input(line)) {
            char *line2 = prompt("... ");
            if (line2 == NULL) {
                break;
            }
            char *line3 = strjoin(line, '\n', line2);
            free(line);
            free(line2);
            line = line3;
        }

        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
        int ret = execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);
        if (ret & FORCED_EXIT) {
            return ret;
        }
        free(line);
    }

    #endif
}
示例#9
0
int do_file(const char *file, uint emit_opt) {
    mp_lexer_t *lex = mp_lexer_new_from_file(file);
    return execute_from_lexer(lex, MP_PARSE_FILE_INPUT, emit_opt, false);
}
示例#10
0
STATIC void do_str(const char *str) {
    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, str, strlen(str), false);
    execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, false);
}
示例#11
0
STATIC int do_str(const char* line) {

    mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, line, strlen(line), false);
    int ret = execute_from_lexer(lex, MP_PARSE_SINGLE_INPUT, true);
}