input.c 1.87 KB
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/*
 * This file is part of the Micro Python 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.
 */

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#include <stdint.h>

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#include "mpconfig.h"
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#include "nlr.h"
#include "misc.h"
#include "qstr.h"
#include "obj.h"
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#include "readline.h"
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#include "usb.h"

STATIC mp_obj_t mp_builtin_input(uint n_args, const mp_obj_t *args) {
    if (n_args == 1) {
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        mp_obj_print(args[0], PRINT_STR);
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    }
    vstr_t line;
    vstr_init(&line, 16);
    int ret = readline(&line, "");
    if (line.len == 0 && ret == VCP_CHAR_CTRL_D) {
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        nlr_raise(mp_obj_new_exception(&mp_type_EOFError));
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    }
    mp_obj_t o = mp_obj_new_str((const byte*)line.buf, line.len, false);
    vstr_clear(&line);
    return o;
}

MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_input_obj, 0, 1, mp_builtin_input);