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<title>suspect-devices/circuitpython/py/objint.c, branch v1.5.2</title>
<subtitle>CircuitPython - a Python implementation for teaching coding with microcontrollers</subtitle>
<id>https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=v1.5.2</id>
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<updated>2015-11-29T14:25:35+00:00</updated>
<entry>
<title>py: Wrap all obj-ptr conversions in MP_OBJ_TO_PTR/MP_OBJ_FROM_PTR.</title>
<updated>2015-11-29T14:25:35+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-11-27T17:01:44+00:00</published>
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<id>urn:sha1:999cedb90ff0827cdb9dfe0e4faa6ebc1739d271</id>
<content type='text'>
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.
</content>
</entry>
<entry>
<title>py: Add MP_ROM_* macros and mp_rom_* types and use them.</title>
<updated>2015-11-29T14:25:04+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-11-27T13:38:15+00:00</published>
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<id>urn:sha1:cbf7674025814797f5c537d6d1c195efe58ccaaf</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Add mp_obj_is_float function (macro) and use it where appropriate.</title>
<updated>2015-10-20T11:35:17+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-08-20T22:30:12+00:00</published>
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<id>urn:sha1:aaef1851a748af95f8b105ef2d1d4f35e6ede02b</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Convert hash API to use MP_UNARY_OP_HASH instead of ad-hoc function.</title>
<updated>2015-05-12T21:46:02+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-05-11T12:25:19+00:00</published>
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<id>urn:sha1:c2a4e4effc81d8ab21bb014e34355643e5ca0da2</id>
<content type='text'>
Hashing is now done using mp_unary_op function with MP_UNARY_OP_HASH as
the operator argument.  Hashing for int, str and bytes still go via
fast-path in mp_unary_op since they are the most common objects which
need to be hashed.

This lead to quite a bit of code cleanup, and should be more efficient
if anything.  It saves 176 bytes code space on Thumb2, and 360 bytes on
x86.

The only loss is that the error message "unhashable type" is now the
more generic "unsupported type for __hash__".
</content>
</entry>
<entry>
<title>py: Support conversion of bignum to bytes.</title>
<updated>2015-04-25T22:16:39+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-04-25T22:16:39+00:00</published>
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<id>urn:sha1:271d18eb08ec488ee45f8e6cd852e8236074f082</id>
<content type='text'>
This gets int.to_bytes working for bignum, and also struct.pack with 'q'
and 'Q' args on 32-bit machines.

Addresses issue #1155.
</content>
</entry>
<entry>
<title>py: Overhaul and simplify printf/pfenv mechanism.</title>
<updated>2015-04-16T14:30:16+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-04-09T22:56:15+00:00</published>
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<id>urn:sha1:7f9d1d6ab923096582622b700bedb6a571518eac</id>
<content type='text'>
Previous to this patch the printing mechanism was a bit of a tangled
mess.  This patch attempts to consolidate printing into one interface.

All (non-debug) printing now uses the mp_print* family of functions,
mainly mp_printf.  All these functions take an mp_print_t structure as
their first argument, and this structure defines the printing backend
through the "print_strn" function of said structure.

Printing from the uPy core can reach the platform-defined print code via
two paths: either through mp_sys_stdout_obj (defined pert port) in
conjunction with mp_stream_write; or through the mp_plat_print structure
which uses the MP_PLAT_PRINT_STRN macro to define how string are printed
on the platform.  The former is only used when MICROPY_PY_IO is defined.

With this new scheme printing is generally more efficient (less layers
to go through, less arguments to pass), and, given an mp_print_t*
structure, one can call mp_print_str for efficiency instead of
mp_printf("%s", ...).  Code size is also reduced by around 200 bytes on
Thumb2 archs.
</content>
</entry>
<entry>
<title>py: Fix builtin abs so it works for bools and bignum.</title>
<updated>2015-03-14T22:07:30+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-03-14T22:07:30+00:00</published>
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<id>urn:sha1:6837d46c1da0e7dd9cf73969bb58649222f455a4</id>
<content type='text'>
</content>
</entry>
<entry>
<title>py: Use m_{new,renew,del} consistently.</title>
<updated>2015-02-27T09:34:51+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-02-27T09:34:51+00:00</published>
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<id>urn:sha1:4d77e1a0344aa22964b4db5a71181183431e9a53</id>
<content type='text'>
This is so all memory requests go through the same interface.
</content>
</entry>
<entry>
<title>py: Parse big-int/float/imag constants directly in parser.</title>
<updated>2015-02-08T01:57:40+00:00</updated>
<author>
<name>Damien George</name>
<email>damien.p.george@gmail.com</email>
</author>
<published>2015-02-08T01:57:40+00:00</published>
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<id>urn:sha1:7d414a1b52d193bab2c94cf56932e1eba23ba542</id>
<content type='text'>
Previous to this patch, a big-int, float or imag constant was interned
(made into a qstr) and then parsed at runtime to create an object each
time it was needed.  This is wasteful in RAM and not efficient.  Now,
these constants are parsed straight away in the parser and turned into
objects.  This allows constants with large numbers of digits (so
addresses issue #1103) and takes us a step closer to #722.
</content>
</entry>
<entry>
<title>py: Use float-to-int classifications for mp_obj_new_int_from_float() functions</title>
<updated>2015-01-24T20:54:28+00:00</updated>
<author>
<name>David Steinberg</name>
<email>david.steinberg.dev@gmail.com</email>
</author>
<published>2015-01-13T15:22:30+00:00</published>
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<id>urn:sha1:0fb17f6ef46ade018a3fda8d4266f15638ddf5e3</id>
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</entry>
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