96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "py/nlr.h"
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#include "py/obj.h"
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#include "input.h"
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#if MICROPY_USE_READLINE
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#include <readline/readline.h>
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#include <readline/history.h>
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#include <readline/tilde.h>
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#else
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#undef MICROPY_USE_READLINE_HISTORY
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#define MICROPY_USE_READLINE_HISTORY (0)
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#endif
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char *prompt(char *p) {
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#if MICROPY_USE_READLINE
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char *line = readline(p);
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if (line) {
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add_history(line);
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}
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#else
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static char buf[256];
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fputs(p, stdout);
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char *s = fgets(buf, sizeof(buf), stdin);
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if (!s) {
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return NULL;
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}
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int l = strlen(buf);
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if (buf[l - 1] == '\n') {
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buf[l - 1] = 0;
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} else {
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l++;
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}
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char *line = malloc(l);
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memcpy(line, buf, l);
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#endif
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return line;
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}
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void prompt_read_history(void) {
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#if MICROPY_USE_READLINE_HISTORY
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read_history(tilde_expand("~/.micropython.history"));
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#endif
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}
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void prompt_write_history(void) {
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#if MICROPY_USE_READLINE_HISTORY
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write_history(tilde_expand("~/.micropython.history"));
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#endif
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}
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STATIC mp_obj_t mp_builtin_input(uint n_args, const mp_obj_t *args) {
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if (n_args == 1) {
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mp_obj_print(args[0], PRINT_STR);
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}
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char *line = prompt("");
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if (line == NULL) {
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nlr_raise(mp_obj_new_exception(&mp_type_EOFError));
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}
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mp_obj_t o = mp_obj_new_str(line, strlen(line), false);
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free(line);
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return o;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_input_obj, 0, 1, mp_builtin_input);
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