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Make VM stack grow upwards, and so no reversed args arrays.

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Change state layout in VM so the stack starts at state[0] and grows
upwards.  Locals are at the top end of the state and number downwards.
This cleans up a lot of the interface connecting the VM to C: now all
functions that take an array of Micro Python objects are in order (ie no
longer in reverse).

Also clean up C API with keyword arguments (call_n and call_n_kw
replaced with single call method that takes keyword arguments).  And now
make_new takes keyword arguments.

emitnative.c has not yet been changed to comply with the new order of
stack layout.
This commit is contained in:
Damien George
2014-01-18 14:10:48 +00:00
parent 8655065f8c
commit 20006dbba9
28 changed files with 325 additions and 372 deletions
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6
unix/file.c
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@@ -45,7 +45,7 @@ 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_t fdfile_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
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;
@@ -112,8 +112,8 @@ static const mp_obj_type_t rawfile_type = {
};
// Factory function for I/O stream classes
mp_obj_t mp_builtin_open(int n_args, const mp_obj_t *args) {
mp_obj_t mp_builtin_open(uint n_args, uint n_kw, const mp_obj_t *args) {
// TODO: analyze mode and buffering args and instantiate appropriate type
return fdfile_make_new((mp_obj_t)&rawfile_type, n_args, 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);