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py: Rename mp_obj_int_get to mp_obj_int_get_truncated; fix struct.pack.

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mp_obj_int_get_truncated is used as a "fast path" int accessor that
doesn't check for overflow and returns the int truncated to the machine
word size, ie mp_int_t.

Use mp_obj_int_get_truncated to fix struct.pack when packing maximum word
sized values.

Addresses issues #779 and #998.
This commit is contained in:
Damien George
2014-12-05 23:13:52 +00:00
parent 451a087075
commit be6d8be91e
13 changed files with 37 additions and 20 deletions
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6
py/obj.h
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@@ -460,12 +460,12 @@ void mp_obj_cell_set(mp_obj_t self_in, mp_obj_t obj);
// int
// For long int, returns value truncated to mp_int_t
mp_int_t mp_obj_int_get(mp_const_obj_t self_in);
mp_int_t mp_obj_int_get_truncated(mp_const_obj_t self_in);
// Will raise exception if value doesn't fit into mp_int_t
mp_int_t mp_obj_int_get_checked(mp_const_obj_t self_in);
#if MICROPY_PY_BUILTINS_FLOAT
mp_float_t mp_obj_int_as_float(mp_obj_t self_in);
#endif
// Will raise exception if value doesn't fit into mp_int_t
mp_int_t mp_obj_int_get_checked(mp_const_obj_t self_in);
// exception
#define mp_obj_is_native_exception_instance(o) (mp_obj_get_type(o)->make_new == mp_obj_exception_make_new)