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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.

*/

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include "mpconfig.h"

#include "nlr.h"

#include "misc.h"

#include "qstr.h"

#include "obj.h"

#include "input.h"

#if MICROPY_USE_READLINE

#include <readline/readline.h>

#include <readline/history.h>

#endif

#define CTRL_D '\x04'

char *prompt(char *p) {

#if MICROPY_USE_READLINE

char *line = readline(p);

if (line) {

add_history(line);

}

#else

static char buf[256];

fputs(p, stdout);

char *s = fgets(buf, sizeof(buf), stdin);

if (!s) {

return NULL;

}

int l = strlen(buf);

if (buf[l - 1] == '\n') {

buf[l - 1] = 0;

} else {

l++;

}

char *line = malloc(l);

memcpy(line, buf, l);

#endif

return line;

}

STATIC mp_obj_t mp_builtin_input(uint n_args, const mp_obj_t *args) {

if (n_args == 1) {

mp_obj_print(args[0], PRINT_STR);

}

char *line = prompt("");

if (line == NULL) {

nlr_raise(mp_obj_new_exception(&mp_type_EOFError));

}

mp_obj_t o = mp_obj_new_str(line, strlen(line), false);

free(line);

return o;

}

MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_input_obj, 0, 1, mp_builtin_input);