| Commit message (Collapse) | Author | Age |
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So corresponding exception can be thrown even under tight memory conditions.
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Addresses issue #1073.
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This new config option sets how many fixed-number-of-bytes to use to
store the length of each qstr. Previously this was hard coded to 2,
but, as per issue #1056, this is considered overkill since no-one
needs identifiers longer than 255 bytes.
With this patch the number of bytes for the length is configurable, and
defaults to 1 byte. The configuration option filters through to the
makeqstrdata.py script.
Code size savings going from 2 to 1 byte:
- unix x64 down by 592 bytes
- stmhal down by 1148 bytes
- bare-arm down by 284 bytes
Also has RAM savings, and will be slightly more efficient in execution.
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This allows to enable mem-info functions in micropython module, even if
MICROPY_MEM_STATS is not enabled. In this case, you get mem_info and
qstr_info but not mem_{total,current,peak}.
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Addresses issue #1022.
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Adds just 60 bytes to stmhal binary. Addresses issue #362.
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The function is modeled after traceback.print_exception(), but unbloated,
and put into existing module to save overhead on adding another module.
Compliant traceback.print_exception() is intended to be implemented in
micropython-lib in terms of sys.print_exception().
This change required refactoring mp_obj_print_exception() to take pfenv_t
interface arguments.
Addresses #751.
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TODO: Merge useful functionality from modpyb too.
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Also, implement for unix port.
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gc.enable/disable are now the same as CPython: they just control whether
automatic garbage collection is enabled or not. If disabled, you can
still allocate heap memory, and initiate a manual collection.
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Addresses issue #934.
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This allows to implement KeyboardInterrupt on unix, and a much safer
ctrl-C in stmhal port. First ctrl-C is a soft one, with hope that VM
will notice it; second ctrl-C is a hard one that kills anything (for
both unix and stmhal).
One needs to check for a pending exception in the VM only for jump
opcodes. Others can't produce an infinite loop (infinite recursion is
caught by stack check).
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This should be pretty compliant with CPython, except perhaps for some
corner cases to do with globals/locals context.
Addresses issue #879.
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It's purpose is for internal errors that are not catastrophic (ie not as
bad as RuntimeError). Since we don't use it, we don't need it.
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This makes open() and _io.FileIO() more CPython compliant.
The mode kwarg is fully iplemented.
The encoding kwarg is allowed but not implemented; mainly to allow
the tests to specify encoding for CPython, see #874
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Also, usocket.readinto(). Known issue is that .readinto() should be available
only for binary files, but micropython uses single method table for both
binary and text files.
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https://github.com/pfalcon/re1.5
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In CPython IOError (and EnvironmentError) is deprecated and aliased to
OSError. All modules that used to raise IOError now raise OSError (or a
derived exception).
In Micro Python we never used IOError (except 1 place, incorrectly) and
so don't need to keep it.
See http://legacy.python.org/dev/peps/pep-3151/ for background.
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Viper can now do the following:
def store(p:ptr8, c:int):
p[0] = c
This does a store of c to the memory pointed to by p using a machine
instructions inline in the code.
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Also add start of ujson module with dumps implemented. Enabled in unix
and stmhal ports. Test passes on both.
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Addresses issue #827.
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Viper functions can now be annotated with the type of their arguments
and return value. Eg:
@micropython.viper
def f(x:int) -> int:
return x + 1
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Also disable gc module on bare-arm port.
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reversed function now implemented, and works for tuple, list, str, bytes
and user objects with __len__ and __getitem__.
Renamed mp_builtin_len to mp_obj_len to make it publically available (eg
for reversed).
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Add support for storing args during an exception raised by an irq.
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The user code should call micropython.alloc_emergency_exception_buf(size)
where size is the size of the buffer used to print the argument
passed to the exception.
With the test code from #732, and a call to
micropython.alloc_emergenncy_exception_buf(100) the following error is
now printed:
```python
>>> import heartbeat_irq
Uncaught exception in Timer(4) interrupt handler
Traceback (most recent call last):
File "0://heartbeat_irq.py", line 14, in heartbeat_cb
NameError: name 'led' is not defined
```
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And not system printf(), like it was before. For this, move pfenv_printf()
from stmhal port to py/.
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But much smaller and memory-efficient. Uses Python builtin data structures
(dict, tuple, int) to describe structure layout.
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Implementing it as a static constant is a bit peculiar and require cooperation
from long int implementation.
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Return free/allocated memory on GC heap.
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