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1042 Commits

Author SHA1 Message Date
Damien George
190d1ba297 py: Make sure state/stack of byte code function has at least 1 slot. 2014-04-10 16:59:56 +00:00
Damien George
a1ef441d18 py: Fix VM stack overflow detection. 2014-04-10 16:59:44 +00:00
Damien George
e90be0ddf5 py: Add option to VM to detect stack overflow. 2014-04-10 16:21:34 +00:00
Damien George
c90717a3e4 py: Add missing dummy functions to pass 1 emitter. 2014-04-10 15:40:38 +00:00
Damien George
58ba4c3b4c py: Check explicitly for memory allocation failure in parser. 
Previously, a failed malloc/realloc would throw an exception, which was
not caught.  I think it's better to keep the parser free from NLR
(exception throwing), hence this patch.
 2014-04-10 14:27:31 +00:00
Damien George
ffa9bddfc4 Make lexerunix not allocate RAM for the entire script. 
Now reads in small chunks at a time.
 2014-04-10 15:00:58 +01:00
Damien George
f0954e3fac py: Add emergency exception object for when heap allocation fails. 2014-04-10 14:38:25 +01:00
Damien George
6f355fd3b9 py: Make labels unsigned ints (converted from int). 
Labels should never be negative, and this modified type signature
reflects that.
 2014-04-10 14:11:31 +01:00
Damien George
bf8ae4d96e py: Fix modstruct to compile on 64-bit machine. 2014-04-10 13:53:31 +01:00
Damien George
3a8b1607fc Merge branch 'master' of github.com:micropython/micropython 2014-04-10 12:58:31 +01:00
Damien George
635543c72c py, compiler: Implement compiling of relative imports. 2014-04-10 12:56:52 +01:00
Damien George
2e9eb2d207 py: Fix lexer so it doesn't allow ! and .. 2014-04-10 12:19:33 +01:00
Damien George
175cecfa87 py: Make form-feed character a space (following C isspace). 
Eg, in CPython stdlib, email/header.py has a form-feed character.
 2014-04-10 11:39:36 +01:00
Damien George
a91f41407b py, lexer: Fix parsing of raw strings (allow escaping of quote). 2014-04-10 11:30:55 +01:00
Paul Sokolovsky
978607aeff objfun: Fix default arguments filling loop, was broken in presense of kwargs. 2014-04-10 05:39:38 +03:00
Paul Sokolovsky
41e2dea4ca objfun: More debug logging when calling a bytecode function. 2014-04-10 05:37:58 +03:00
Paul Sokolovsky
e9db840480 py: Start implementing "struct" module. 
Only calcsize() and unpack() functions provided so far, for little-endian
byte order. Format strings don't support repition spec (like "2b3i").

Unfortunately, dealing with all the various binary type sizes and alignments
will lead to quite a bloated "binary" helper functions  - if optimizing for
speed. Need to think if using dynamic parametrized algos makes more sense.
 2014-04-10 03:58:03 +03:00
Paul Sokolovsky
acb133d1b1 makeqstrdata.py: Add support for conditionally defined qstrs. 
Syntax is usual C #if*/#endif, but each qstr must be wrapped individually.
 2014-04-10 03:38:42 +03:00
Paul Sokolovsky
881d9af05e objstr: Add TODO-optimize for using .join with arbitrary iterable. 2014-04-10 01:42:40 +03:00
Damien George
1d2ba5ddf9 Merge pull request #455 from lurch/exception-messages 
Remove exception name from inside the exception message
 2014-04-09 20:49:35 +01:00
Damien George
038fd52faa Merge branch 'str-index' of github.com:xbe/micropython into xbe-str-index 2014-04-09 20:44:37 +01:00
Damien George
5589db88c7 py: Implement complex division. 2014-04-09 20:21:00 +01:00
Damien George
e2835c16f4 py: Oops, fix emitcpy to compile with latest changes. 2014-04-09 20:20:34 +01:00
Andrew Scheller
f78cfaf8b5 Remove exception name from inside the exception message 
This prevents micropython printing exception messages like
ImportError: ImportError: No module named 'foo'
 2014-04-09 19:56:38 +01:00
Damien George
b5fbd0ba87 py: Add mp_obj_is_integer; make mp_get_index check for long int. 
mp_obj_is_integer should be used to check if an object is of integral
type.  It returns true for bool, small int and long int.
 2014-04-09 19:55:33 +01:00
Damien George
d99944acdd py: Clear state to MP_OBJ_NULL before executing byte code. 2014-04-09 19:53:31 +01:00
Damien George
a157e4caba py: str.join can now take arbitrary iterable as argument. 2014-04-09 19:17:53 +01:00
Damien George
13d6739cc7 py: Generators can have their locals closed over. 2014-04-09 19:01:45 +01:00
Damien George
2bf7c09222 py: Properly implement deletion of locals and derefs, and detect errors. 
Needed to reinstate 2 delete opcodes, to specifically check that a local
is not deleted twice.
 2014-04-09 15:26:46 +01:00
Damien George
11d8cd54c9 py, compiler: Turn id_info_t.param into a set of flags. 
So we can add more flags.
 2014-04-09 14:42:51 +01:00
Damien George
b140bff877 py, compile: Simplify initialisation of compiler structure. 2014-04-09 12:54:21 +01:00
Damien George
02a4c05c5f py, compile: Reduce size of compiler structure. 2014-04-09 12:50:58 +01:00
Damien George
922ddd6415 py, compile: Combine have_star_arg, have_dbl_star_arg into star_flags. 
Small reduction in ROM, heap and stack usage.
 2014-04-09 12:43:17 +01:00
Damien George
78035b995f py, compiler: Clean up and compress scope/compile structures. 
Convert int types to uint where sensible, and then to uint8_t or
uint16_t where possible to reduce RAM usage.
 2014-04-09 12:27:39 +01:00
Paul Sokolovsky
03b9ad7b01 gc.c: Remove superfluous typedef (bute defined in misc.h). 2014-04-09 04:13:21 +03:00
Damien George
88d7bba961 py: Make it so that printing a small int does not allocate heap memory. 
With the implementation of proper string formatting, code to print a
small int was delegated to mpz_as_str_inpl (after first converting the
small int to an mpz using stack memory).  But mpz_as_str_inpl allocates
heap memory to do the conversion, so small ints needed heap memory just
to be printed.

This fix has a separate function to print small ints, which does not
allocate heap, and allocates less stack.

String formatting, printf and pfenv are now large beasts, with some
semi-duplicated code.
 2014-04-08 23:30:46 +01:00
Damien George
803b9263ab Merge branch 'master' of github.com:micropython/micropython 2014-04-08 23:11:51 +01:00
Damien George
eec91057b8 py: Add comment mpz function, and free memory used for string printing. 2014-04-08 23:11:00 +01:00
Paul Sokolovsky
a985b4593d objint: Implement int.from_bytes() class method and .to_bytes() method. 
These two are apprerently the most concise and efficient way to convert
int to/from bytes in Python. The alternatives are struct and array modules,
but methods using them are more verbose in Python code and less efficient
in memory/cycles.
 2014-04-09 01:07:37 +03:00
Paul Sokolovsky
3aa8ee7c9e py: Add mp_get_buffer(), mp_get_buffer_raise() convenience functions to API. 2014-04-09 01:07:37 +03:00
Damien George
348435d279 py: Reinstate old pfenv_print_int function for stmhal's printf. 2014-04-08 22:10:37 +01:00
Damien George
a9837bbf8b py: Remove obsolete mp_delete_subscr declaration. 2014-04-08 22:06:31 +01:00
Damien George
f4c9b33abf py: Remove DELETE_SUBSCR opcode, combine with STORE_SUBSCR. 
This makes the runtime and object APIs more consistent.  mp_store_subscr
functionality now moved into objects (ie list and dict store_item).
 2014-04-08 21:32:29 +01:00
Damien George
4671392d90 Merge branch 'master' of github.com:micropython/micropython 2014-04-08 21:13:04 +01:00
Damien George
1d24ea5207 py: Finish implementation of all del opcodes. 
At this point, all opcodes are now implemented!

Some del opcodes have been combined with store opcodes, with the value
to store being MP_OBJ_NULL.
 2014-04-08 21:11:49 +01:00
Paul Sokolovsky
4dcb605ac4 py: Make bytearray a proper type. 2014-04-08 22:11:40 +03:00
xbe
3d9a39e211 py: Implement str.[r]index() and add tests for them. 2014-04-08 11:51:41 -07:00
xbe
729be9b3c7 py: Update comment in str.replace(). 2014-04-08 11:25:32 -07:00
Damien George
134c10e776 Merge branch 'master' of github.com:micropython/micropython 2014-04-08 18:29:50 +01:00
Damien George
47e1b85d9c py: Improve inline assembler; add a few more opcodes. 2014-04-08 18:28:33 +01:00
Damien George
495d781a36 py: implement UNPACK_EX byte code (for: a, *b, c = d) 2014-04-08 17:51:47 +01:00
Paul Sokolovsky
7a70a3ae9a bytes: Support buffer protocol. 2014-04-08 19:08:34 +03:00
Paul Sokolovsky
b9cf3d3730 bytearray: Support bytearray(int) constructor. 
To create bytearray of given length.
 2014-04-08 19:08:34 +03:00
Damien George
e753d916c0 py: Raise exception for unimplemented byte codes. 2014-04-08 16:49:28 +01:00
Damien George
b7ffdcc1c7 py: Improve compiler syntax errors; catch more errors. 2014-04-08 16:41:02 +01:00
Damien George
26cf55ae05 Add a check for NULL nlr_top in nlr_jump. 
If no nlr_buf has been pushed, and an nlr_jump is called, then control
is transferred to nlr_jump_fail (which should bail out with a fatal
error).
 2014-04-08 14:08:14 +00:00
Damien George
73c79b9925 py: Continue line if last character is backslash. 2014-04-08 11:33:28 +00:00
Damien George
443e018a3f py: Improve GC locking/unlocking, and make it part of the API. 2014-04-08 11:31:21 +00:00
Damien George
ff5639fd42 Merge pull request #451 from lurch/repr-fixes 
Display \r and \t escape codes in string repr
 2014-04-08 12:11:40 +01:00
Damien George
97790455fe Improve REPL detecting when input needs to continue. 
Full CPython compatibility with this requires actually parsing the
input so far collected, and if it fails parsing due to lack of tokens,
then continue collecting input.  It's not worth doing it this way.  Not
having compatibility at this level does not hurt the goals of Micro
Python.
 2014-04-08 11:04:29 +00:00
Andrew Scheller
12968fb6b2 Display \r and \t escape codes in string repr 2014-04-08 02:42:50 +01:00
Damien George
a12a0f78b0 py: Rename pfenv_print_int to pfenv_print_mp_int, and add back former. 
stmhal relies on pfenv_* to implement its printf.  Thus, it needs a
pfenv_print_int which prints a proper 32-bit integer.  With latest
change to pfenv, this function became one that took mp_obj_t, and
extracted the integer value from that object.

To fix temporarily, pfenv_print_int has been renamed to
pfenv_print_mp_int (to indicate it takes a mp_obj_t for the int), and
pfenv_print_int has been added (which takes a normal C int).  Currently,
pfenv_print_int proxies to pfenv_print_mp_int, but this means it looses
the MSB.  Need to find a way to fix this, but the only way I can think
of will duplicate lots of code.
 2014-04-08 01:29:53 +01:00
Dave Hylands
23dc6d0ace Fix truncation problem when using longlong implementation. 2014-04-07 13:47:04 -07:00
Dave Hylands
c4029e5079 Add string formatting support for longlong and mpz. 2014-04-07 11:38:45 -07:00
Damien George
10072b72a5 Merge pull request #439 from lurch/makefile-tweaks 
Makefile tweaks
 2014-04-07 13:17:31 +01:00
Damien George
a28507ab2b py: Detect unmatched tripple quote in repl helper. 2014-04-07 13:01:30 +01:00
Andrew Scheller
5e443f4b70 Merge remote-tracking branch 'upstream/master' into makefile-tweaks 2014-04-07 01:41:24 +01:00
Andrew Scheller
902d9552c5 Replace some Makefile commands with variables in py/mkenv.mk 2014-04-07 01:35:45 +01:00
Damien George
2bfd2dc770 py: Revert revert for allocation policy of set hash table. 2014-04-07 01:16:17 +01:00
Paul Sokolovsky
46bd12d57e objset: Fix incorrect workaround against mp_set_init() munging alloc size. 
No longer needed after recent change which guarantees that mp_set_init()
will allocate exact number of slots requested.
 2014-04-07 03:08:46 +03:00
Damien George
c75427baaa py: Revert change to allocation policy for mp_set_t. 
Seems that this fixes all set tests.
 2014-04-07 00:54:04 +01:00
Damien George
ff715429ea py: Fix str.replace for case when arg 0 or 1 is empty string. 2014-04-07 00:39:13 +01:00
Paul Sokolovsky
7cf057aeeb objdict: Implement equality operator. 
Sure, it's O(n^2).
 2014-04-06 21:31:42 +03:00
Paul Sokolovsky
5fedd0c3b7 py: Fix dict.copy() and low-level map/set allocation. 
Two things: 1) set flags in copy properly; make mp_map_init() not be too
smart and do something with requested alloc size. Policy of using prime
numbers for alloc size is high-level policy which should be applied at
corresponding high levels. Low-level functions should just do what they're
asked to, because they don't have enough context to be smarter than that.
For example, munging with alloc size of course breaks dict copying (as
changing sizes requires rehashing).
 2014-04-06 21:31:42 +03:00
Paul Sokolovsky
ea85a121f2 objdict: Support creating dict from another dict. 2014-04-06 20:08:56 +03:00
Damien George
cdd96dff2c py: Implement more features in native emitter. 
On x64, native emitter now passes 70 of the tests.
 2014-04-06 12:58:40 +01:00
Damien George
65cad12d38 py: Add option to compiler to specify default code emitter. 
Also add command line option to unix port to select emitter.
 2014-04-06 11:48:15 +01:00
Damien George
deed087e2c py: str.split: handle non-default separator. 2014-04-06 11:11:15 +01:00
Paul Sokolovsky
36dd19ae27 py: Revert mp_load_attr() to its previous state (not supporting default val). 
Based on the discussion in #433. mp_load_attr() is critical-path function,
so any extra check will slowdown any script. As supporting default val
required only for getattr() builtin, move correspending implementation
there (still as a separate function due to concerns of maintainability
of such almost-duplicated code instances).
 2014-04-06 02:15:23 +03:00
Damien George
4e1ed82583 Merge branch 'master' of github.com:micropython/micropython 2014-04-05 23:33:37 +01:00
Damien George
d0e824387e py: Make mp_map_lookup not allocate memory on removal. 2014-04-05 23:33:12 +01:00
Paul Sokolovsky
080d99b7a8 py: Optimize locals()/globals() implementation. 2014-04-06 01:18:58 +03:00
Damien George
09af5364d4 Merge branch 'master' of github.com:micropython/micropython 2014-04-05 23:04:22 +01:00
Damien George
27e735fd18 py: Replace stream_p with *stream_p in mp_obj_type_t. 
This is to reduce ROM usage.  stream_p is used in file and socket types
only (at the moment), so seems a good idea to make the protocol
functions a pointer instead of the actual structure.

It saves 308 bytes of ROM in the stmhal/ port, 928 in unix/.
 2014-04-05 23:02:23 +01:00
Paul Sokolovsky
cc0af3d727 py: Implement globals() and locals() builtins. 2014-04-06 01:01:36 +03:00
Damien George
17520224fa py: Make all objects and instances derive from object. 
This makes isinstance(X, object) and issubclass(X, object) true for all
X.
 2014-04-05 22:45:23 +01:00
Damien George
7efc5b3f34 py: Make globals and locals proper dictionary objects. 
Finishes addressing issue #424.

In the end this was a very neat refactor that now makes things a lot
more consistent across the py code base.  It allowed some
simplifications in certain places, now that everything is a dict object.

Also converted builtins tables to dictionaries.  This will be useful
when we need to turn builtins into a proper module.
 2014-04-05 22:36:42 +01:00
Damien George
8b0535e23f py: Change module globals from mp_map_t* to mp_obj_dict_t*. 
Towards addressing issue #424.

Had a small increase to ROM usage (order 60 bytes).
 2014-04-05 21:53:54 +01:00
Damien George
60be1cf3b9 py: Fix float printing on stmhal. 2014-04-05 20:51:29 +01:00
Damien George
12bab72d93 Improve GC finalisation code; add option to disable it. 2014-04-05 20:35:48 +01:00
Damien George
8123a3339d Merge pull request #425 from iabdalkader/del 
Implement del
 2014-04-05 18:49:39 +01:00
Damien George
ea13f407a3 py: Change nlr_jump to nlr_raise, to aid in debugging. 
This does not affect code size or performance when debugging turned off.

To address issue #420.
 2014-04-05 18:32:08 +01:00
Damien George
efccbf6f27 Merge pull request #436 from dhylands/pfenv-print-int 
Change pfenv_print_int to take machine_uint_t rather than unsinged in
 2014-04-05 18:11:02 +01:00
Damien George
327a3e2faa Merge pull request #435 from dhylands/str-modulo-float 
Allow floating point arguments with %d,i,u,o,x,X formats
 2014-04-05 18:10:11 +01:00
Damien George
23419a2f8a Merge pull request #433 from pfalcon/getattr-3arg 
py: Support 3-arg getattr() builtin (with default value).
 2014-04-05 18:00:04 +01:00
Dave Hylands
64ef5d7f4e Change pfenv_print_int to take machine_uint_t rather than unsinged in 
With this change, the following works:

>>> print('%#x' % 0x1234567890abcdef)
0x1234567890abcdef
 2014-04-05 09:42:20 -07:00
Damien George
6d508666ea Merge branch 'master' of github.com:micropython/micropython 2014-04-05 17:19:03 +01:00
Damien George
95004e5114 py: Fix delete operation on map/dict and set objects. 
Hash table can now be completely full (ie now NULL entry) before a
resize is triggered.  Use sentinel value to indicate delete entry in the
table.
 2014-04-05 17:17:19 +01:00
Dave Hylands
f81a49e464 Allow floating point arguments with %d,i,u,o,x,X formats 2014-04-05 08:26:51 -07:00
Paul Sokolovsky
e99841be69 mp_obj_get_int(): Add warning against adding implicit float->int conversion. 2014-04-05 17:46:47 +03:00
mux
cc849f70f4 Move del to locals 2014-04-05 15:49:03 +02:00
Damien George
09a4d8305d py: Fix bug in DELETE_SUBSCR bytecode, decreasing sp too much. 2014-04-05 13:47:41 +01:00
Damien George
66edc5d899 py: Implement DELETE_SUBSCR bytecode; implement mp_obj_dict_delete. 2014-04-05 13:25:13 +01:00
Damien George
3c8aecf62c Merge pull request #431 from pfalcon/unbreak-map-remove 
map: When removing a key, don't NULL the entry, but mark as deleted.
 2014-04-05 12:09:09 +01:00
Paul Sokolovsky
586bfce10d objfun: Add equality support. 2014-04-05 13:53:39 +03:00
Paul Sokolovsky
bfb7d6a26d py: Support 3-arg getattr() builtin (with default value). 2014-04-05 13:34:02 +03:00
Paul Sokolovsky
438d504e27 objtype: Add equality test for type types. 2014-04-05 13:10:56 +03:00
Paul Sokolovsky
91cbe6033a py: Allow types to be hashable. 
Quite natural to have d[int] = handle_int .
 2014-04-05 12:51:58 +03:00
Paul Sokolovsky
c6813d92db py: Put default namespace into module __main__. 
That's how CPython has it, in particular, "import __main__" should work.
 2014-04-05 12:29:15 +03:00
Paul Sokolovsky
4a088f4b61 map: When removing a key, don't NULL the entry, but mark as deleted. 
When searching next time, such entry should be just skipped, not terminate
the search. It's known that marking techique is not efficient at the presense
of many removes, but namespace usage should not require many deletes, and
as for user dictionaries - well, open addressing map table with linear
rehashing and load factor of ~1 is not particularly efficient at all ;-).
TODO: May consider "shift other entries in cluster" approach as an
alternative.
 2014-04-05 05:11:12 +03:00
Paul Sokolovsky
a0d32991ed mp_load_name(): Optimize for outer scope where locals == globals. 2014-04-05 05:10:12 +03:00
Paul Sokolovsky
e3f58c8380 map: Add mp_map_dump() (#ifdef'ed) to be handy when debugging maps. 2014-04-05 05:10:02 +03:00
Damien George
6582a4170d Merge pull request #421 from dhylands/git-version 
Add the git version and build-date to the banner
 2014-04-04 16:09:29 +01:00
Damien George
e8208a7f02 py: Make False and True act like 0 and 1 for integer arithmetic. 2014-04-04 15:08:23 +01:00
Damien George
d7aadcfe1b py: Allow dict constructor to take keyword arguments. 2014-04-04 15:08:00 +01:00
Damien George
36f0ee1a54 py: Remove mp_obj_less (use mp_binary_op(MP_BINARY_OP_LESS..) instead). 2014-04-04 15:07:17 +01:00
Damien George
9b1599c663 Merge pull request #422 from dhylands/str-modulo 
Str modulo
 2014-04-04 12:37:52 +01:00
Damien George
af27259439 py: Enable optimisation of multiplying 2 small ints in compiler. 2014-04-04 11:21:58 +00:00
Damien George
ecf5b77123 py: This time, real proper overflow checking of small int power. 
Previous overflow test was inadequate.
 2014-04-04 11:13:51 +00:00
Damien George
6902eeda25 py: Add m_malloc_fail function to handle memory allocation error. 
A malloc/realloc fail now throws MemoryError.
 2014-04-04 10:52:59 +00:00
Dave Hylands
6756a37a77 Implements most of str.modulo 
The alternate form for floating point doesn't work yet.
The %(name)s form doesn't work yet.
 2014-04-03 23:55:02 -07:00
Dave Hylands
bf7d690e36 Add the git version to the banner 2014-04-03 16:55:15 -07:00
Damien George
5bf565e353 py: Handle small int power overflow correctly. 2014-04-04 00:16:32 +01:00
Damien George
4b34c76fd6 Changes to get unix/ port compiling on Cygwin. 2014-04-03 23:51:16 +01:00
mux
4f7e9f5c44 Implement del 2014-04-03 23:55:12 +02:00
Paul Sokolovsky
98a627dc03 py: Add "io" module. 
So far just includes "open" function, which should be supplied by a port.

TODO: Make the module #ifdef'ed.
 2014-04-03 22:08:57 +03:00
Damien George
8270e3853d py: More robust int conversion and overflow checking. 2014-04-03 11:00:54 +00:00
Damien George
cc7085c1ce Merge branch 'fix-format-int' of github.com:dhylands/micropython into dhylands-fix-format-int 
Conflicts:
	py/objstr.c
 2014-04-02 20:37:05 +01:00
Dave Hylands
22fe4d7344 Fix str.format to work with {:f/g/e} and ints 
Also fix objstr.c to compile when floats disabled.
 2014-04-02 12:10:18 -07:00
Damien George
c322c5f07f py: Fix regress for printing of floats and #if. 
Also change formating modifier in test script (it still passes with
original format though).
 2014-04-02 20:04:15 +01:00
Paul Sokolovsky
e807fa8d60 gc: Uses uint defined in misc.h. 2014-04-02 20:36:32 +03:00
Damien George
094d450003 py: Wrap compile_scope_inline_asm in #if; remove comment from misc.h. 2014-04-02 17:31:27 +01:00
Damien George
70f33cde48 py: Fix up so that it can compile without float. 2014-04-02 17:06:05 +01:00
Damien George
af6edc61bd py: Enable a jump optimisation in the compiler. 2014-04-02 16:12:28 +01:00
Damien George
882b363564 py: Move to Python 3.4.0 compatibility. 
Very little has changed.  In Python 3.4 they removed the opcode
STORE_LOCALS, but in Micro Python we only ever used this for CPython
compatibility, so it was a trivial thing to remove.  It also allowed to
clean up some dead code (eg the 0xdeadbeef in class construction), and
now class builders use 1 less stack word.

Python 3.4.0 introduced the LOAD_CLASSDEREF opcode, which I have not
yet understood.  Still, all tests (apart from bytecode test) still pass.
Bytecode tests needs some more attention, but they are not that
important anymore.
 2014-04-02 15:56:31 +01:00
Damien George
93b7faa29a py: Factor out static/class method unwrapping code; add tests. 2014-04-02 14:13:26 +01:00
Damien George
b23fbb3126 py: Implement floating point power binop. 2014-04-02 12:26:49 +01:00
Damien George
660aef67c4 py: Allow multiple of str/list/tuple on left by an integer. 2014-04-02 12:22:07 +01:00
Damien George
4881566874 py: Add support for sep and end keywords in print. 2014-04-02 10:34:44 +01:00
Damien George
084ef373fb py: Fix math.{ceil,floor,trunc} to return int. 2014-04-01 21:21:50 +01:00
Damien George
e3e0500296 py: Make pfenv.c conform to code conventions. 2014-04-01 21:15:03 +01:00
Dave Hylands
1c6b4b2e24 Reduce stack usage of pfenv_print_strn 2014-04-01 11:59:31 -07:00
Dave Hylands
80359aa96e Fix INT_BUF_SIZE to work with 32-bit and 64-bit 2014-04-01 11:03:44 -07:00
Damien George
e09320adb5 py: Remove implicit conversion from int to float. 2014-04-01 10:56:07 +01:00
Dave Hylands
baf6f14deb Enhance str.format support 
This adds support for almost everything (the comma isn't currently
supported).

The "unspecified" type with floats also doesn't behave exactly like
python.

Tested under unix with float and double
Spot tested on stmhal
 2014-04-01 01:17:33 -07:00
Damien George
e44d26ae0c py: Implement __getattr__. 
It's not completely satisfactory, because a failed call to __getattr__
should not raise an exception.

__setattr__ could be implemented, but it would slow down all stores to a
user created object.  Need to implement some caching system.
 2014-03-31 22:57:56 +01:00
Paul Sokolovsky
4db727afea objstr: Very basic implementation of % string formatting operator. 2014-03-31 21:20:52 +03:00
Paul Sokolovsky
6ce78c4fae py: Wrap .__class__ handling in MICROPY_CPYTHON_COMPAT. 
Because it's superfluos in the presence of type(), a remenant from Python's
"old classes".
 2014-03-31 20:40:31 +03:00
Paul Sokolovsky
b509f73982 objtype: Wrap .__name__ handling in MICROPY_CPYTHON_COMPAT. 
Because it's runtime reflection feature, not required for many apps.
Rant time:
Python could really use better str() vs repr() distinction, for example,
repr(type) could be "<class 'foo'>" (as it is now), and str(type) just
"foo". But alas, getting straight name requires adhoc attribute.
 2014-03-31 20:40:31 +03:00
Damien George
3ff2d03891 py: Fix bug in optimised for .. range. 
Don't store final, failing value to the loop variable.  This fix also
makes for .. range a bit more efficient, as it uses less store/load
pairs for the loop variable.
 2014-03-31 18:02:22 +01:00