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* py: Make viper codegen raise proper exception (ViperTypeError) on error.Damien George2015-04-20
| | | | | | | | | | | This fixes a long standing problem that viper code generation gave terrible error messages, and actually no errors on pyboard where assertions are disabled. Now all compile-time errors are raised as proper Python exceptions, and are of type ViperTypeError. Addresses issue #940.
* py: Add %q format support to mp_[v]printf, and use it.Damien George2015-04-16
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* py: Overhaul and simplify printf/pfenv mechanism.Damien George2015-04-16
| | | | | | | | | | | | | | | | | | | | | | 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.
* py: Combine load_attr and store_attr type methods into one (attr).Damien George2015-04-11
| | | | | | This simplifies the API for objects and reduces code size (by around 400 bytes on Thumb2, and around 2k on x86). Performance impact was measured with Pystone score, but change was barely noticeable.
* py: Use m_{new,renew,del} consistently.Damien George2015-02-27
| | | | This is so all memory requests go through the same interface.
* py: Fix adding of traceback so that it appends to existing info.Damien George2015-02-27
| | | | | | | | This makes exception traceback info self contained (ie doesn't rely on list object, which was a bit of a hack), reduces code size, and reduces RAM footprint of exception by eliminating the list object. Addresses part of issue #1126.
* py: Implement UnicodeError.Paul Sokolovsky2015-02-23
| | | | | Still too shy to implement UnicodeEncodeError which was really needed for micropython-lib case.
* objexcept: Optimize traceback allocation for exception.Paul Sokolovsky2015-02-15
| | | | | | Traceback allocation for exception will now never lead to recursive MemoryError exception - if there's no memory for traceback, it simply won't be created.
* objexcept: Optimize using messages without formatting substitutions.Paul Sokolovsky2015-02-15
| | | | | They are directly cast to str object, skipping allocation of formatting buffer.
* py: Add mp_obj_new_str_from_vstr, and use it where relevant.Damien George2015-01-21
| | | | | | | | This patch allows to reuse vstr memory when creating str/bytes object. This improves memory usage. Also saves code ROM: 128 bytes on stmhal, 92 bytes on bare-arm, and 88 bytes on unix x64.
* py: Use mp_arg_check_num in some _make_new functions.Damien George2015-01-20
| | | | Reduces stmhal code size by about 250 bytes.
* py: Put all global state together in state structures.Damien George2015-01-07
| | | | | | This patch consolidates all global variables in py/ core into one place, in a global structure. Root pointers are all located together to make GC tracing easier and more efficient.
* py: Move to guarded includes, everywhere in py/ core.Damien George2015-01-01
| | | | Addresses issue #1022.
* py: Make gc.enable/disable just control auto-GC; alloc is still allowed.Damien George2014-10-31
| | | | | | 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.
* py: Add mp_pending_exception global variable, for VM soft interrupt.Damien George2014-10-25
| | | | | | | | | | | 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).
* py: Remove unused and unneeded SystemError exception.Damien George2014-10-22
| | | | | 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.
* py: Fix dummy definition of BEGIN/END_ATOMIC_SECTION.Damien George2014-10-15
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* py: Remove IOError since it's deprecated; use OSError instead.Damien George2014-09-30
| | | | | | | | | | | 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.
* py: Tidy up exception matching; allow matching of tuple of exceptions.Damien George2014-09-25
| | | | Addresses issue #864.
* py: Change all uint to mp_uint_t in obj.h.Damien George2014-08-30
| | | | Part of code cleanup, working towards resolving issue #50.
* py: Make tuple and list use mp_int_t/mp_uint_t.Damien George2014-08-30
| | | | Part of code cleanup, to resolve issue #50.
* Change some parts of the core API to use mp_uint_t instead of uint/int.Damien George2014-08-30
| | | | Addressing issue #50, still some way to go yet.
* stmhal: Make enable_irq and disable_irq inline functions.Damien George2014-08-25
| | | | | | | | | | | | These functions are generally 1 machine instruction, and are used in critical code, so makes sense to have them inline. Also leave these functions uninverted (ie 0 means enable, 1 means disable) and provide macro constants if you really need to distinguish the states. This makes for smaller code as well (combined with inlining). Applied to teensy port as well.
* Add save/restore_irqDave Hylands2014-08-25
| | | | Factored irq functions into a separate file.
* Add support for storing args during an exception raised by an irq.Dave Hylands2014-07-25
| | | | | | | | | | | | | | | | | 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 ```
* Rename machine_(u)int_t to mp_(u)int_t.Damien George2014-07-03
| | | | See discussion in issue #50.
* py, objexcept: Only check for locked gc if gc is enabled.Damien George2014-07-01
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* Try not to cause a MemoryError when raising an exception during nterrupt ↵Dave Hylands2014-06-30
| | | | | | handling. Step 1 fixes #732
* Change comments (mainly URLs) to no longer specifically say Python 3.3Chris Angelico2014-06-06
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* Change const byte* to const char* where sensible.Damien George2014-05-25
| | | | | This removes need for some casts (at least, more than it adds need for new casts!).
* Add SystemExit exception and use it in unix/ and stmhal/ ports.Damien George2014-05-24
| | | | Addresses issue #598.
* Merge pull request #607 from Anton-2/osx-clangDamien George2014-05-21
|\ | | | | Allow compilation of unix port under clang on OS X
| * Fix some unused variables, and silence a clang warning about initialization ↵Antonin ENFRUN2014-05-12
| | | | | | | | override in vmentrytable.h
* | objexcept: Implement explicit __init__ method, useful for subclasses.Paul Sokolovsky2014-05-19
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* py: Rename globally-accessible tuple functions, prefix with mp_obj_.Damien George2014-05-11
| | | | | Likely there are other functions that should be renamed, but this is a start.
* Add license header to (almost) all files.Damien George2014-05-03
| | | | | | | Blanket wide to all .c and .h files. Some files originating from ST are difficult to deal with (license wise) so it was left out of those. Also merged modpyb.h, modos.h, modstm.h and modtime.h in stmhal/.
* py, unix: Make "mpconfig.h" be first included, as other headers depend on it.Paul Sokolovsky2014-05-02
| | | | Specifically, nlr.h does.
* objexcept: Support tracebacks for user Exception subclasses.Paul Sokolovsky2014-05-02
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* objtype: .print() Exception instances in adhoc way.Paul Sokolovsky2014-05-02
| | | | This is ugly, just as expected.
* objexcept: Don't store args tuple within exception object.Paul Sokolovsky2014-04-23
| | | | To avoid pointer-to-field GC problem.
* objexcept: Add mp_obj_new_exception_arg1() convenience function.Paul Sokolovsky2014-04-22
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* py: Check explicitly for memory allocation failure in parser.Damien George2014-04-10
| | | | | | 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.
* py: Add emergency exception object for when heap allocation fails.Damien George2014-04-10
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* py: Change nlr_jump to nlr_raise, to aid in debugging.Damien George2014-04-05
| | | | | | This does not affect code size or performance when debugging turned off. To address issue #420.
* py: Add m_malloc_fail function to handle memory allocation error.Damien George2014-04-04
| | | | A malloc/realloc fail now throws MemoryError.
* objexcept: No more magic messages in exceptions, only exception arguments.Paul Sokolovsky2014-03-31
| | | | | | | One of the reason for separate "message" (besides still unfulfilled desire to optimize memory usage) was apparent special handling of exception with messages by CPython. Well, the message is still just an exception argument, it just printed specially. Implement that with PRINT_EXC printing format.
* Rename rt_* to mp_*.Damien George2014-03-30
| | | | | | | Mostly just a global search and replace. Except rt_is_true which becomes mp_obj_is_true. Still would like to tidy up some of the names, but this will do for now.
* objexcept: Fix another place missing proper args tuple initialization.Paul Sokolovsky2014-03-30
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* py: Change mp_const_* objects to macros.Damien George2014-03-29
| | | | Addresses issue #388.
* objgenerator: close(): Throw instance of GeneratorExit (not type).Paul Sokolovsky2014-03-28
| | | | | To comply with Python semantics and allow use of mp_obj_is_subclass_fast() for exception matching.
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