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* py/objtype: Implement __call__ handling for an instance w/o heap alloc.Paul Sokolovsky2016-11-22
| | | | By refactoring and reusing code from objboundmeth.
* py: Add mp_raise_OSError(errno) helper function.Damien George2016-10-07
| | | | | This is an often used code pattern, and its use reduces code size of the core by about 100 bytes.
* py: Shrink mp_arg_t struct by using reduced-size integer members.Damien George2016-09-23
| | | | | | | | | qstrs ids are restricted to fit within 2 bytes already (eg in persistent bytecode) so it's safe to use a uint16_t to store them in mp_arg_t. And the flags member only needs a maximum of 2 bytes so can also use uint16_t. Savings in code size can be significant when many mp_arg_t structs are used for argument parsing. Eg, this patch reduces stmhal by 480 bytes.
* py/runtime.h: Move comment about mp_not_implemented to correct place.Damien George2016-08-14
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* py/runtime.h: Define mp_check_self(pred) helper macro.Paul Sokolovsky2016-08-12
| | | | | | | Indended to replace raw asserts in bunch of files. Expands to empty if MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG is defined, otehrwise by default still to assert, though a particular port may define it to something else.
* py/runtime: Factor out exception raising helpers.Paul Sokolovsky2016-08-12
| | | | | | Introduce mp_raise_msg(), mp_raise_ValueError(), mp_raise_TypeError() instead of previous pattern nlr_raise(mp_obj_new_exception_msg(...)). Save few bytes on each call, which are many.
* py: Move call_function_*_protected() functions to py/ for reuse.Paul Sokolovsky2016-04-25
| | | | They almost certainly needed by any C code which calls Python callbacks.
* py/argcheck: Use size_t instead of mp_uint_t to count number of args.Damien George2016-03-14
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* py: Wrap all obj-ptr conversions in MP_OBJ_TO_PTR/MP_OBJ_FROM_PTR.Damien George2015-11-29
| | | | | | | | | 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.
* py: Add MP_ROM_* macros and mp_rom_* types and use them.Damien George2015-11-29
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* py: Remove mp_load_const_bytes and instead load precreated bytes object.Damien George2015-06-25
| | | | | | | | | | | | | | | | Previous to this patch each time a bytes object was referenced a new instance (with the same data) was created. With this patch a single bytes object is created in the compiler and is loaded directly at execute time as a true constant (similar to loading bignum and float objects). This saves on allocating RAM and means that bytes objects can now be used when the memory manager is locked (eg in interrupts). The MP_BC_LOAD_CONST_BYTES bytecode was removed as part of this. Generated bytecode is slightly larger due to storing a pointer to the bytes object instead of the qstr identifier. Code size is reduced by about 60 bytes on Thumb2 architectures.
* py: Remove mp_load_const_str and replace uses with inlined version.Damien George2015-06-25
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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: Add finer configuration of static funcs when not in stackless mode.Damien George2015-04-02
| | | | Also rename call_args_t to mp_call_args_t.
* vm: Support strict stackless mode, with proper exception reporting.Paul Sokolovsky2015-04-03
| | | | | | I.e. in this mode, C stack will never be used to call a Python function, but if there's no free heap for a call, it will be reported as RuntimeError (as expected), not MemoryError.
* runtime: Split mp_call_prepare_args_n_kw_var() from mp_call_method_n_kw_var().Paul Sokolovsky2015-04-03
| | | | | Allow for reuse for stackless design, where preparing args is separate from calling.
* py: Combine duplicated code that converts members from a lookup.Damien George2015-03-21
| | | | | | | | | | | | Despite initial guess, this code factoring does not hamper performance. In fact it seems to improve speed by a little: running pystone(1.2) on pyboard (which gives a very stable result) this patch takes pystones from 1729.51 up to 1742.16. Also, pystones on x64 increase by around the same proportion (but it's much noisier). Taking a look at the generated machine code, stack usage with this patch is unchanged, and call is tail-optimised with all arguments in registers. Code size decreases by about 50 bytes on Thumb2 archs.
* py: Put mp_sys_path, mp_sys_argv and gc_collected in mp_state_ctx_t.Damien George2015-02-07
| | | | | Without mp_sys_path and mp_sys_argv in the root pointer section of the state, their memory was being incorrectly collected by GC.
* py: Specify unary/binary op name in TypeError error message.Damien George2015-01-27
| | | | | | | Eg, "() + 1" now tells you that __add__ is not supported for tuple and int types (before it just said the generic "binary operator"). We reuse the table of names for slot lookup because it would be a waste of code space to store the pretty name for each operator.
* py: Implement proper re-raising in native codegen's finally handler.Damien George2015-01-21
| | | | | This allows an exception to propagate correctly through a finally handler.
* py, unix, stmhal: Allow to compile with -Wshadow.Damien George2015-01-20
| | | | See issue #699.
* 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: Add basic framework for issuing compile/runtime warnings.Paul Sokolovsky2015-01-01
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* py: Make terse_arg_mismatch a global function and use it elsewhere.Damien George2015-01-01
| | | | Reduces code size when MICROPY_ERROR_REPORTING_TERSE is selected.
* py: Add include guards to mpconfig,misc,qstr,obj,runtime,parsehelper.Damien George2014-12-29
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* py: Remove obsolute function declaration.Damien George2014-11-06
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* 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: Change uint to mp_uint_t in runtime.h, stackctrl.h, binary.h.Damien George2014-08-30
| | | | Part of code cleanup, working towards resolving issue #50.
* py: Fix bug where GC collected native/viper/asm function data.Damien George2014-08-24
| | | | | | | | Because (for Thumb) a function pointer has the LSB set, pointers to dynamic functions in RAM (eg native, viper or asm functions) were not being traced by the GC. This patch is a comprehensive fix for this. Addresses issue #820.
* py: Viper can call functions with native types, and raise exceptions.Damien George2014-08-16
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* py: Viper can now store to global.Damien George2014-08-15
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* Rename machine_(u)int_t to mp_(u)int_t.Damien George2014-07-03
| | | | See discussion in issue #50.
* py: Add generic mp_not_implemented() func to use instead of assert().Paul Sokolovsky2014-06-07
| | | | | | Benefits: won't crash baremetal targets, will provide Python source location when not implemented feature used (it will no longer provide C source location, but just grep for error message).
* py: Instead of having "debug on" var, have "optimization level" var.Paul Sokolovsky2014-06-03
| | | | | This allows to have multiple "optimization" levels (CPython has two (-OO removes docstrings), we can have more).
* py: Implement long int parsing in int(...).Damien George2014-05-28
| | | | Addresses issue #627.
* py: Add support for __debug__ constant.Damien George2014-05-12
| | | | | | | | | __debug__ now resolves to True or False. Its value needs to be set by mp_set_debug(). TODO: call mp_set_debug in unix/ port. TODO: optimise away "if False:" statements in compiler.
* Merge branch 'master' of https://github.com/micropython/micropythonDamien George2014-05-06
|\ | | | | | | | | | | | | Conflicts: py/argcheck.c py/objenumerate.c py/runtime.h
| * py: enumerate(): Add NotImplementedError for kwargs.Paul Sokolovsky2014-05-06
| | | | | | | | Addresses #577.
* | py: Add keyword arg support to enumerate constructor.Damien George2014-05-06
|/ | | | | | | | Need to have a policy as to how far we go adding keyword support to built ins. It's nice to have, and gets better CPython compatibility, but hurts the micro nature of uPy. Addresses issue #577.
* 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/.
* Simplify names for argcheck.c / arg parsing.Damien George2014-04-26
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* py: Add arg checking helper functions.Damien George2014-04-20
| | | | | | | These are to assist in writing native C functions that take positional and keyword arguments. mp_arg_check_num is for just checking the number of arguments is correct. mp_arg_parse_all is for parsing positional and keyword arguments with default values.
* py: Add MP_OBJ_STOP_ITERATION and make good use of it.Damien George2014-04-17
| | | | | Also make consistent use of MP_OBJ_NOT_SUPPORTED and MP_OBJ_NULL. This helps a lot in debugging and understanding of function API.
* 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.
* Merge pull request #476 from pfalcon/static-sysDamien George2014-04-13
|\ | | | | Convert sys module to static allocation
| * py, unix: Convert sys module to static representation.Paul Sokolovsky2014-04-13
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* | 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: Remove obsolete mp_delete_subscr declaration.Damien George2014-04-08
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* py: Finish implementation of all del opcodes.Damien George2014-04-08
| | | | | | | 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.
* py: implement UNPACK_EX byte code (for: a, *b, c = d)Damien George2014-04-08
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