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unix file: Refactor and add sys.stdout/stdin/stderr.

This commit is contained in:
Paul Sokolovsky 2014-01-20 23:49:56 +02:00
parent 8965a5eb1e
commit 51ee44a718
2 changed files with 25 additions and 5 deletions
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27
unix/file.c
View File

@ -8,6 +8,7 @@
#include "mpconfig.h"
#include "mpqstr.h"
#include "obj.h"
#include "runtime.h"
#include "stream.h"
typedef struct _mp_obj_fdfile_t {
@ -15,6 +16,8 @@ typedef struct _mp_obj_fdfile_t {
int fd;
} mp_obj_fdfile_t;
static const mp_obj_type_t rawfile_type;
static void fdfile_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
mp_obj_fdfile_t *self = self_in;
print(env, "<io.FileIO %d>", self->fd);
@ -45,6 +48,13 @@ static mp_obj_t fdfile_close(mp_obj_t self_in) {
}
static MP_DEFINE_CONST_FUN_OBJ_1(fdfile_close_obj, fdfile_close);
static mp_obj_fdfile_t *fdfile_new(int fd) {
mp_obj_fdfile_t *o = m_new_obj(mp_obj_fdfile_t);
o->base.type = &rawfile_type;
o->fd = fd;
return o;
}
static mp_obj_t fdfile_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
mp_obj_fdfile_t *o = m_new_obj(mp_obj_fdfile_t);
o->base.type = type_in;
@ -81,11 +91,11 @@ static mp_obj_t fdfile_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const
}
}
o->fd = open(fname, mode, 0644);
if (o->fd == -1) {
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_OSError, "[Errno %d]", (const char *)(machine_int_t)errno));
int fd = open(fname, mode, 0644);
if (fd == -1) {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_OSError, "[Errno %d]", errno));
}
return o;
return fdfile_new(fd);
}
static const mp_method_t rawfile_type_methods[] = {
@ -117,3 +127,12 @@ mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args) {
return fdfile_make_new((mp_obj_t)&rawfile_type, n_args, 0, args);
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_open_obj, 1, 2, mp_builtin_open);
void file_init() {
rt_store_name(qstr_from_str_static("open"), (mp_obj_t)&mp_builtin_open_obj);
mp_obj_t m_sys = mp_obj_new_module(qstr_from_str_static("sys"));
rt_store_attr(m_sys, qstr_from_str_static("stdin"), fdfile_new(STDIN_FILENO));
rt_store_attr(m_sys, qstr_from_str_static("stdout"), fdfile_new(STDOUT_FILENO));
rt_store_attr(m_sys, qstr_from_str_static("stderr"), fdfile_new(STDERR_FILENO));
}

3
unix/main.c
View File

@ -21,6 +21,7 @@
#endif
extern const mp_obj_fun_native_t mp_builtin_open_obj;
void file_init();
void rawsocket_init();
static void execute_from_lexer(mp_lexer_t *lex, mp_parse_input_kind_t input_kind, bool is_repl) {
@ -221,7 +222,7 @@ int main(int argc, char **argv) {
rt_store_attr(m_sys, qstr_from_str_static("argv"), py_argv);
rt_store_name(qstr_from_str_static("test"), test_obj_new(42));
rt_store_name(qstr_from_str_static("open"), (mp_obj_t)&mp_builtin_open_obj);
file_init();
rawsocket_init();
// Here is some example code to create a class and instance of that class.