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py: Wrap all obj-ptr conversions in MP_OBJ_TO_PTR/MP_OBJ_FROM_PTR.

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This allows the mp_obj_t type to be configured to something other than a
pointer-sized primitive type.

This patch also includes additional changes to allow the code to compile
when sizeof(mp_uint_t) != sizeof(void*), such as using size_t instead of
mp_uint_t, and various casts.
This commit is contained in:
Damien George
2015-11-27 17:01:44 +00:00
parent cbf7674025
commit 999cedb90f
76 changed files with 856 additions and 816 deletions
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27
py/stream.c
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@@ -50,7 +50,7 @@ STATIC mp_obj_t stream_readall(mp_obj_t self_in);
#define STREAM_CONTENT_TYPE(stream) (((stream)->is_text) ? &mp_type_str : &mp_type_bytes)
STATIC mp_obj_t stream_read(mp_uint_t n_args, const mp_obj_t *args) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)args[0];
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(args[0]);
if (o->type->stream_p == NULL || o->type->stream_p->read == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -85,7 +85,7 @@ STATIC mp_obj_t stream_read(mp_uint_t n_args, const mp_obj_t *args) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_MemoryError, "out of memory"));
}
int error;
mp_uint_t out_sz = o->type->stream_p->read(o, p, more_bytes, &error);
mp_uint_t out_sz = o->type->stream_p->read(MP_OBJ_FROM_PTR(o), p, more_bytes, &error);
if (out_sz == MP_STREAM_ERROR) {
vstr_cut_tail_bytes(&vstr, more_bytes);
if (mp_is_nonblocking_error(error)) {
@@ -156,7 +156,7 @@ STATIC mp_obj_t stream_read(mp_uint_t n_args, const mp_obj_t *args) {
vstr_t vstr;
vstr_init_len(&vstr, sz);
int error;
mp_uint_t out_sz = o->type->stream_p->read(o, vstr.buf, sz, &error);
mp_uint_t out_sz = o->type->stream_p->read(MP_OBJ_FROM_PTR(o), vstr.buf, sz, &error);
if (out_sz == MP_STREAM_ERROR) {
vstr_clear(&vstr);
if (mp_is_nonblocking_error(error)) {
@@ -175,7 +175,7 @@ STATIC mp_obj_t stream_read(mp_uint_t n_args, const mp_obj_t *args) {
}
mp_obj_t mp_stream_write(mp_obj_t self_in, const void *buf, size_t len) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)self_in;
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(self_in);
if (o->type->stream_p == NULL || o->type->stream_p->write == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -198,6 +198,11 @@ mp_obj_t mp_stream_write(mp_obj_t self_in, const void *buf, size_t len) {
}
}
// XXX hack
void mp_stream_write_adaptor(void *self, const char *buf, size_t len) {
mp_stream_write(MP_OBJ_FROM_PTR(self), buf, len);
}
STATIC mp_obj_t stream_write_method(mp_obj_t self_in, mp_obj_t arg) {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(arg, &bufinfo, MP_BUFFER_READ);
@@ -205,7 +210,7 @@ STATIC mp_obj_t stream_write_method(mp_obj_t self_in, mp_obj_t arg) {
}
STATIC mp_obj_t stream_readinto(mp_uint_t n_args, const mp_obj_t *args) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)args[0];
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(args[0]);
if (o->type->stream_p == NULL || o->type->stream_p->read == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -225,7 +230,7 @@ STATIC mp_obj_t stream_readinto(mp_uint_t n_args, const mp_obj_t *args) {
}
int error;
mp_uint_t out_sz = o->type->stream_p->read(o, bufinfo.buf, len, &error);
mp_uint_t out_sz = o->type->stream_p->read(MP_OBJ_FROM_PTR(o), bufinfo.buf, len, &error);
if (out_sz == MP_STREAM_ERROR) {
if (mp_is_nonblocking_error(error)) {
return mp_const_none;
@@ -237,7 +242,7 @@ STATIC mp_obj_t stream_readinto(mp_uint_t n_args, const mp_obj_t *args) {
}
STATIC mp_obj_t stream_readall(mp_obj_t self_in) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)self_in;
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(self_in);
if (o->type->stream_p == NULL || o->type->stream_p->read == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -286,7 +291,7 @@ STATIC mp_obj_t stream_readall(mp_obj_t self_in) {
// Unbuffered, inefficient implementation of readline() for raw I/O files.
STATIC mp_obj_t stream_unbuffered_readline(mp_uint_t n_args, const mp_obj_t *args) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)args[0];
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(args[0]);
if (o->type->stream_p == NULL || o->type->stream_p->read == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -311,7 +316,7 @@ STATIC mp_obj_t stream_unbuffered_readline(mp_uint_t n_args, const mp_obj_t *arg
}
int error;
mp_uint_t out_sz = o->type->stream_p->read(o, p, 1, &error);
mp_uint_t out_sz = o->type->stream_p->read(MP_OBJ_FROM_PTR(o), p, 1, &error);
if (out_sz == MP_STREAM_ERROR) {
if (mp_is_nonblocking_error(error)) {
if (vstr.len == 1) {
@@ -368,7 +373,7 @@ mp_obj_t mp_stream_unbuffered_iter(mp_obj_t self) {
}
STATIC mp_obj_t stream_seek(mp_uint_t n_args, const mp_obj_t *args) {
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)args[0];
struct _mp_obj_base_t *o = (struct _mp_obj_base_t *)MP_OBJ_TO_PTR(args[0]);
if (o->type->stream_p == NULL || o->type->stream_p->ioctl == NULL) {
// CPython: io.UnsupportedOperation, OSError subclass
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, "Operation not supported"));
@@ -383,7 +388,7 @@ STATIC mp_obj_t stream_seek(mp_uint_t n_args, const mp_obj_t *args) {
}
int error;
mp_uint_t res = o->type->stream_p->ioctl(o, MP_STREAM_SEEK, (mp_uint_t)&seek_s, &error);
mp_uint_t res = o->type->stream_p->ioctl(MP_OBJ_FROM_PTR(o), MP_STREAM_SEEK, (mp_uint_t)(uintptr_t)&seek_s, &error);
if (res == MP_STREAM_ERROR) {
nlr_raise(mp_obj_new_exception_arg1(&mp_type_OSError, MP_OBJ_NEW_SMALL_INT(error)));
}