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* py: Fix break from within a for loop.Damien George2014-05-30
| | | | | | | Needed to pop the iterator object when breaking out of a for loop. Need also to be careful to unwind exception handler before popping iterator. Addresses issue #635.
* py: Implement long int parsing in int(...).Damien George2014-05-28
| | | | Addresses issue #627.
* py: Combine native emitters to 1 glue function; distinguish viper.Damien George2014-05-10
| | | | | | | | This patch simplifies the glue between native emitter and runtime, and handles viper code like inline assember: return values are converted to Python objects. Fixes issue #531.
* py: Fix stack access in thumb native emitter.Damien George2014-05-07
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* py: Improve native emitter; now supports more opcodes.Damien George2014-05-07
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* py, compiler: Improve passes; add an extra pass for native emitter.Damien George2014-05-07
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* 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: Remove unnecessary LOAD_CONST_ID bytecode.Damien George2014-04-27
| | | | It's the same as LOAD_CONST_STR.
* py: Implement keyword-only args.Damien George2014-04-27
| | | | | | | Implements 'def f(*, a)' and 'def f(*a, b)', but not default keyword-only args, eg 'def f(*, a=1)'. Partially addresses issue #524.
* py: Wrap #if's around emitter functions that are used only by emitcpy.Damien George2014-04-20
| | | | | | | 3 emitter functions are needed only for emitcpy, and so we can #if them out when compiling with emitcpy support. Also remove unused SETUP_LOOP bytecode.
* py: Making closures now passes pointer to stack, not a tuple for vars.Damien George2014-04-20
| | | | | | | Closed over variables are now passed on the stack, instead of creating a tuple and passing that. This way memory for the closed over variables can be allocated within the closure object itself. See issue #510 for background.
* py: Merge BINARY_OP_SUBSCR and store_subscr (w/ delete) into subscr.Damien George2014-04-17
| | | | mp_obj_t->subscr now does load/store/delete.
* py: Remove unique_codes from emitglue.c. Replace with pointers.Damien George2014-04-13
| | | | | | | | | | | | | | | | Attempt to address issue #386. unique_code_id's have been removed and replaced with a pointer to the "raw code" information. This pointer is stored in the actual byte code (aligned, so the GC can trace it), so that raw code (ie byte code, native code and inline assembler) is kept only for as long as it is needed. In memory it's now like a tree: the outer module's byte code points directly to its children's raw code. So when the outer code gets freed, if there are no remaining functions that need the raw code, then the children's code gets freed as well. This is pretty much like CPython does it, except that CPython stores indexes in the byte code rather than machine pointers. These indices index the per-function constant table in order to find the relevant code.
* py: Big improvements to inline assembler.Damien George2014-04-13
| | | | | | | | | Improved the Thumb assembler back end. Added many more Thumb instructions to the inline assembler. Improved parsing of assembler instructions and arguments. Assembler functions can now be passed the address of any object that supports the buffer protocol (to get the address of the buffer). Added an example of how to sum numbers from an array in assembler.
* py: Improve inline assembler; improve compiler constant folding.Damien George2014-04-12
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* py: Simplify stack get/set to become stack adjust in emitters.Damien George2014-04-10
| | | | Can do this now that the stack size calculation is improved.
* py: Make labels unsigned ints (converted from int).Damien George2014-04-10
| | | | | Labels should never be negative, and this modified type signature reflects that.
* py: Properly implement deletion of locals and derefs, and detect errors.Damien George2014-04-09
| | | | | Needed to reinstate 2 delete opcodes, to specifically check that a local is not deleted twice.
* py, compile: Combine have_star_arg, have_dbl_star_arg into star_flags.Damien George2014-04-09
| | | | Small reduction in ROM, heap and stack usage.
* py, compiler: Clean up and compress scope/compile structures.Damien George2014-04-09
| | | | | Convert int types to uint where sensible, and then to uint8_t or uint16_t where possible to reduce RAM usage.
* py: Implement more features in native emitter.Damien George2014-04-06
| | | | On x64, native emitter now passes 70 of the tests.
* py: Move to Python 3.4.0 compatibility.Damien George2014-04-02
| | | | | | | | | | | | | 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.
* py: Remove old "run time" functions that were 1 liners.Damien George2014-03-31
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* py: Rename and reorder parameters in emit_make_function/closure.Damien George2014-03-31
| | | | In preparation for implementing default keyword arguments.
* 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.
* py: Rename emit_pre so they have globally unique names.Damien George2014-03-27
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* py: Factor out code from runtime.c to emitglue.c.Damien George2014-03-27
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* py: Replace mp_const_stop_iteration object with MP_OBJ_NULL.Damien George2014-03-26
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* py: Clean up includes.xbe2014-03-17
| | | | Remove unnecessary includes. Add includes that improve portability.
* Replace global "static" -> "STATIC", to allow "analysis builds". Part 2.Paul Sokolovsky2014-02-12
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* py: Partially fix native emitter to work with latest runtime.Damien George2014-02-02
| | | | | Native emitter has been broken since stack order has changed from reverse to standard. This fix gets it partially working.
* py: Tidy up BINARY_OPs; negation done by special NOT bytecode.Damien George2014-02-01
| | | | | IS_NOT and NOT_IN are now compiled to IS + NOT and IN + NOT, with a new special NOT bytecode.
* py: Implement break/continue from an exception with finally.Damien George2014-02-01
| | | | Still todo: break/continue from within the finally block itself.
* py: Fix bug with LOAD_METHOD; fix int->machine_int_t for small int.Damien George2014-01-29
| | | | | | | | LOAD_METHOD bug was: emitbc did not correctly calculate the amount of stack usage for a LOAD_METHOD operation. small int bug was: int was being used to pass small ints, when it should have been machine_int_t.
* py: Improve freeing of emitters in mp_compile.Damien George2014-01-24
| | | | | There can be multiple emitters allocated during compile (eg byte code and native).
* Add support for freeing code emitter objects at the end of compilation.Paul Sokolovsky2014-01-24
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* Revamp qstrs: they now include length and hash.Damien George2014-01-21
| | | | | Can now have null bytes in strings. Can define ROM qstrs per port using qstrdefsport.h
* Add source file name and line number to error messages.Damien George2014-01-18
| | | | | Byte code has a map from byte-code offset to source-code line number, used to give better error messages.
* Make VM stack grow upwards, and so no reversed args arrays.Damien George2014-01-18
| | | | | | | | | | | | | | | Change state layout in VM so the stack starts at state[0] and grows upwards. Locals are at the top end of the state and number downwards. This cleans up a lot of the interface connecting the VM to C: now all functions that take an array of Micro Python objects are in order (ie no longer in reverse). Also clean up C API with keyword arguments (call_n and call_n_kw replaced with single call method that takes keyword arguments). And now make_new takes keyword arguments. emitnative.c has not yet been changed to comply with the new order of stack layout.
* py: Fix emitcpy and emitnative's binary_op.Damien George2014-01-11
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* unified the bopsJohn R. Lenton2014-01-11
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* Improve configurability for native x64/thumb emitter.Damien George2014-01-04
| | | | | | With MICROPY_EMIT_X64 and MICROPY_EMIT_THUMB disabled, the respective emitters and assemblers will not be included in the code. This can significantly reduce binary size for unix version.
* Change object representation from 1 big union to individual structs.Damien2013-12-21
| | | | | | | | | | A big change. Micro Python objects are allocated as individual structs with the first element being a pointer to the type information (which is itself an object). This scheme follows CPython. Much more flexible, not necessarily slower, uses same heap memory, and can allocate objects statically. Also change name prefix, from py_ to mp_ (mp for Micro Python).
* py: remove further unnecessary emit_verbatim code.Damien2013-12-12
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* py: work towards working closures.Damien2013-12-11
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* Viper: function calls now convert constant arguments to objects.Damien2013-11-16
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* Viper supports inplace add (trivial).Damien2013-11-06
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* Support for for-loop in native thumb.Damien2013-11-03
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* Implement more thumb branch instructions.Damien2013-11-03
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* Fix bug: emit native didn't clear last_was_return in label_assign.Damien2013-11-02
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