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-rw-r--r--unix/file.c285
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diff --git a/unix/file.c b/unix/file.c
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@@ -1,285 +0,0 @@
-/*
- * This file is part of the MicroPython 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 <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-
-#include "py/nlr.h"
-#include "py/runtime.h"
-#include "py/stream.h"
-#include "py/builtin.h"
-#include "py/mphal.h"
-#include "fdfile.h"
-
-#if MICROPY_PY_IO
-
-#ifdef _WIN32
-#define fsync _commit
-#endif
-
-#ifdef MICROPY_CPYTHON_COMPAT
-STATIC void check_fd_is_open(const mp_obj_fdfile_t *o) {
- if (o->fd < 0) {
- mp_raise_ValueError("I/O operation on closed file");
- }
-}
-#else
-#define check_fd_is_open(o)
-#endif
-
-extern const mp_obj_type_t mp_type_fileio;
-extern const mp_obj_type_t mp_type_textio;
-
-STATIC void fdfile_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
- (void)kind;
- mp_obj_fdfile_t *self = MP_OBJ_TO_PTR(self_in);
- mp_printf(print, "<io.%s %d>", mp_obj_get_type_str(self_in), self->fd);
-}
-
-STATIC mp_uint_t fdfile_read(mp_obj_t o_in, void *buf, mp_uint_t size, int *errcode) {
- mp_obj_fdfile_t *o = MP_OBJ_TO_PTR(o_in);
- check_fd_is_open(o);
- mp_int_t r = read(o->fd, buf, size);
- if (r == -1) {
- *errcode = errno;
- return MP_STREAM_ERROR;
- }
- return r;
-}
-
-STATIC mp_uint_t fdfile_write(mp_obj_t o_in, const void *buf, mp_uint_t size, int *errcode) {
- mp_obj_fdfile_t *o = MP_OBJ_TO_PTR(o_in);
- check_fd_is_open(o);
- #if MICROPY_PY_OS_DUPTERM
- if (o->fd <= STDERR_FILENO) {
- mp_hal_stdout_tx_strn(buf, size);
- return size;
- }
- #endif
- mp_int_t r = write(o->fd, buf, size);
- while (r == -1 && errno == EINTR) {
- if (MP_STATE_VM(mp_pending_exception) != MP_OBJ_NULL) {
- mp_obj_t obj = MP_STATE_VM(mp_pending_exception);
- MP_STATE_VM(mp_pending_exception) = MP_OBJ_NULL;
- nlr_raise(obj);
- }
- r = write(o->fd, buf, size);
- }
- if (r == -1) {
- *errcode = errno;
- return MP_STREAM_ERROR;
- }
- return r;
-}
-
-STATIC mp_uint_t fdfile_ioctl(mp_obj_t o_in, mp_uint_t request, uintptr_t arg, int *errcode) {
- mp_obj_fdfile_t *o = MP_OBJ_TO_PTR(o_in);
- check_fd_is_open(o);
- switch (request) {
- case MP_STREAM_SEEK: {
- struct mp_stream_seek_t *s = (struct mp_stream_seek_t*)arg;
- off_t off = lseek(o->fd, s->offset, s->whence);
- if (off == (off_t)-1) {
- *errcode = errno;
- return MP_STREAM_ERROR;
- }
- s->offset = off;
- return 0;
- }
- case MP_STREAM_FLUSH:
- if (fsync(o->fd) < 0) {
- *errcode = errno;
- return MP_STREAM_ERROR;
- }
- return 0;
- default:
- *errcode = EINVAL;
- return MP_STREAM_ERROR;
- }
-}
-
-STATIC mp_obj_t fdfile_close(mp_obj_t self_in) {
- mp_obj_fdfile_t *self = MP_OBJ_TO_PTR(self_in);
- close(self->fd);
-#ifdef MICROPY_CPYTHON_COMPAT
- self->fd = -1;
-#endif
- return mp_const_none;
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(fdfile_close_obj, fdfile_close);
-
-STATIC mp_obj_t fdfile___exit__(size_t n_args, const mp_obj_t *args) {
- (void)n_args;
- return fdfile_close(args[0]);
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(fdfile___exit___obj, 4, 4, fdfile___exit__);
-
-STATIC mp_obj_t fdfile_fileno(mp_obj_t self_in) {
- mp_obj_fdfile_t *self = MP_OBJ_TO_PTR(self_in);
- check_fd_is_open(self);
- return MP_OBJ_NEW_SMALL_INT(self->fd);
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(fdfile_fileno_obj, fdfile_fileno);
-
-// Note: encoding is ignored for now; it's also not a valid kwarg for CPython's FileIO,
-// but by adding it here we can use one single mp_arg_t array for open() and FileIO's constructor
-STATIC const mp_arg_t file_open_args[] = {
- { MP_QSTR_file, MP_ARG_OBJ | MP_ARG_REQUIRED, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} },
- { MP_QSTR_mode, MP_ARG_OBJ, {.u_obj = MP_OBJ_NEW_QSTR(MP_QSTR_r)} },
- { MP_QSTR_buffering, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} },
- { MP_QSTR_encoding, MP_ARG_OBJ, {.u_rom_obj = MP_ROM_PTR(&mp_const_none_obj)} },
-};
-#define FILE_OPEN_NUM_ARGS MP_ARRAY_SIZE(file_open_args)
-
-STATIC mp_obj_t fdfile_open(const mp_obj_type_t *type, mp_arg_val_t *args) {
- mp_obj_fdfile_t *o = m_new_obj(mp_obj_fdfile_t);
- const char *mode_s = mp_obj_str_get_str(args[1].u_obj);
-
- int mode_rw = 0, mode_x = 0;
- while (*mode_s) {
- switch (*mode_s++) {
- case 'r':
- mode_rw = O_RDONLY;
- break;
- case 'w':
- mode_rw = O_WRONLY;
- mode_x = O_CREAT | O_TRUNC;
- break;
- case 'a':
- mode_rw = O_WRONLY;
- mode_x = O_CREAT | O_APPEND;
- break;
- case '+':
- mode_rw = O_RDWR;
- break;
- #if MICROPY_PY_IO_FILEIO
- // If we don't have io.FileIO, then files are in text mode implicitly
- case 'b':
- type = &mp_type_fileio;
- break;
- case 't':
- type = &mp_type_textio;
- break;
- #endif
- }
- }
-
- o->base.type = type;
-
- mp_obj_t fid = args[0].u_obj;
-
- if (MP_OBJ_IS_SMALL_INT(fid)) {
- o->fd = MP_OBJ_SMALL_INT_VALUE(fid);
- return MP_OBJ_FROM_PTR(o);
- }
-
- const char *fname = mp_obj_str_get_str(fid);
- int fd = open(fname, mode_x | mode_rw, 0644);
- if (fd == -1) {
- mp_raise_OSError(errno);
- }
- o->fd = fd;
- return MP_OBJ_FROM_PTR(o);
-}
-
-STATIC mp_obj_t fdfile_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
- mp_arg_val_t arg_vals[FILE_OPEN_NUM_ARGS];
- mp_arg_parse_all_kw_array(n_args, n_kw, args, FILE_OPEN_NUM_ARGS, file_open_args, arg_vals);
- return fdfile_open(type, arg_vals);
-}
-
-STATIC const mp_rom_map_elem_t rawfile_locals_dict_table[] = {
- { MP_ROM_QSTR(MP_QSTR_fileno), MP_ROM_PTR(&fdfile_fileno_obj) },
- { MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mp_stream_read_obj) },
- { MP_ROM_QSTR(MP_QSTR_readinto), MP_ROM_PTR(&mp_stream_readinto_obj) },
- { MP_ROM_QSTR(MP_QSTR_readline), MP_ROM_PTR(&mp_stream_unbuffered_readline_obj) },
- { MP_ROM_QSTR(MP_QSTR_readlines), MP_ROM_PTR(&mp_stream_unbuffered_readlines_obj) },
- { MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
- { MP_ROM_QSTR(MP_QSTR_seek), MP_ROM_PTR(&mp_stream_seek_obj) },
- { MP_ROM_QSTR(MP_QSTR_tell), MP_ROM_PTR(&mp_stream_tell_obj) },
- { MP_ROM_QSTR(MP_QSTR_flush), MP_ROM_PTR(&mp_stream_flush_obj) },
- { MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&fdfile_close_obj) },
- { MP_ROM_QSTR(MP_QSTR___enter__), MP_ROM_PTR(&mp_identity_obj) },
- { MP_ROM_QSTR(MP_QSTR___exit__), MP_ROM_PTR(&fdfile___exit___obj) },
-};
-
-STATIC MP_DEFINE_CONST_DICT(rawfile_locals_dict, rawfile_locals_dict_table);
-
-#if MICROPY_PY_IO_FILEIO
-STATIC const mp_stream_p_t fileio_stream_p = {
- .read = fdfile_read,
- .write = fdfile_write,
- .ioctl = fdfile_ioctl,
-};
-
-const mp_obj_type_t mp_type_fileio = {
- { &mp_type_type },
- .name = MP_QSTR_FileIO,
- .print = fdfile_print,
- .make_new = fdfile_make_new,
- .getiter = mp_identity_getiter,
- .iternext = mp_stream_unbuffered_iter,
- .protocol = &fileio_stream_p,
- .locals_dict = (mp_obj_dict_t*)&rawfile_locals_dict,
-};
-#endif
-
-STATIC const mp_stream_p_t textio_stream_p = {
- .read = fdfile_read,
- .write = fdfile_write,
- .ioctl = fdfile_ioctl,
- .is_text = true,
-};
-
-const mp_obj_type_t mp_type_textio = {
- { &mp_type_type },
- .name = MP_QSTR_TextIOWrapper,
- .print = fdfile_print,
- .make_new = fdfile_make_new,
- .getiter = mp_identity_getiter,
- .iternext = mp_stream_unbuffered_iter,
- .protocol = &textio_stream_p,
- .locals_dict = (mp_obj_dict_t*)&rawfile_locals_dict,
-};
-
-// Factory function for I/O stream classes
-mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
- // TODO: analyze buffering args and instantiate appropriate type
- mp_arg_val_t arg_vals[FILE_OPEN_NUM_ARGS];
- mp_arg_parse_all(n_args, args, kwargs, FILE_OPEN_NUM_ARGS, file_open_args, arg_vals);
- return fdfile_open(&mp_type_textio, arg_vals);
-}
-MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
-
-const mp_obj_fdfile_t mp_sys_stdin_obj = { .base = {&mp_type_textio}, .fd = STDIN_FILENO };
-const mp_obj_fdfile_t mp_sys_stdout_obj = { .base = {&mp_type_textio}, .fd = STDOUT_FILENO };
-const mp_obj_fdfile_t mp_sys_stderr_obj = { .base = {&mp_type_textio}, .fd = STDERR_FILENO };
-
-#endif // MICROPY_PY_IO
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