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de74aa7e59
probably due to gc_collect (we suspect that transpiled C does not have access to javascript variables preventing it from collecting all required roots and leading to deleting objects prematuraly). Enabling PyStack reduces the use of the heap and fixes the bug.
142 lines
4.7 KiB
C
142 lines
4.7 KiB
C
#include <stdint.h>
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#include <alloca.h>
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#include "helpers.h"
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/* MicroPython configuration options
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* We're not listing the default options as defined in mpconfig.h */
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#if __EMSCRIPTEN__
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// Enable a PyStack where most objects are allocated instead of always using the heap
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/* This enables to allocate and free memory in a scope (thus, Python can call
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* Python) but also has the collateral effect of removing bugs regarding
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* garbage collection on the web simulator. Indeed, fewer objetcts are
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* allocated on the heap and the garbage collection is less frequently called.
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* We suspect that garbage collection failed in javascript because when
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* collecting roots the transpiled C code is denied access to Javascript
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* variables that can store pointers to the Python heap. The pointed objects
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* are therefore erased prematurely. */
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#define MICROPY_ENABLE_PYSTACK (1)
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#endif
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// Maximum length of a path in the filesystem
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#define MICROPY_ALLOC_PATH_MAX (32)
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// Whether to include the garbage collector
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#define MICROPY_ENABLE_GC (1)
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// Whether to check C stack usage
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#define MICROPY_STACK_CHECK (1)
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// Whether to provide the mp_kbd_exception object, and micropython.kbd_intr function
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#define MICROPY_KBD_EXCEPTION (1)
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// Long int implementation
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#define MICROPY_LONGINT_IMPL (MICROPY_LONGINT_IMPL_MPZ)
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// Whether to include information in the byte code to determine source
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#define MICROPY_ENABLE_SOURCE_LINE (1)
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// Exception messages provide full info, e.g. object names
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#define MICROPY_ERROR_REPORTING (MICROPY_ERROR_REPORTING_DETAILED)
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// Float and complex implementation
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#define MICROPY_FLOAT_IMPL (MICROPY_FLOAT_IMPL_DOUBLE)
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// Enable features which improve CPython compatibility
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// but may lead to more code size/memory usage.
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// TODO: Originally intended as generic category to not
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// add bunch of once-off options. May need refactoring later
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#define MICROPY_CPYTHON_COMPAT (0)
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// modturtle needs a hook upon init
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#define MICROPY_MODULE_BUILTIN_INIT (1)
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// Support for async/await/async for/async with
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#define MICROPY_PY_ASYNC_AWAIT (0)
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// Whether to support bytearray object
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#define MICROPY_PY_BUILTINS_BYTEARRAY (0)
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// Whether to support frozenset object
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#define MICROPY_PY_BUILTINS_FROZENSET (1)
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// Whether to support property object
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#define MICROPY_PY_BUILTINS_PROPERTY (0)
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// Whether to support unicode strings
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#define MICROPY_PY_BUILTINS_STR_UNICODE (1)
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// Whether to set __file__ for imported modules
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#define MICROPY_PY___FILE__ (0)
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// Whether to provide "array" module. Note that large chunk of the
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// underlying code is shared with "bytearray" builtin type, so to
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// get real savings, it should be disabled too.
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#define MICROPY_PY_ARRAY (0)
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// Whether to support attrtuple type (MicroPython extension)
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// It provides space-efficient tuples with attribute access
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#define MICROPY_PY_ATTRTUPLE (0)
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// Whether to provide "collections" module
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#define MICROPY_PY_COLLECTIONS (0)
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// Whether to provide special math functions: math.{erf,erfc,gamma,lgamma}
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#define MICROPY_PY_MATH_SPECIAL_FUNCTIONS (1)
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// Whether to provide "cmath" module
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#define MICROPY_PY_CMATH (1)
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// Whether to provide "gc" module
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#define MICROPY_PY_GC (0)
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// Whether to provide "io" module
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#define MICROPY_PY_IO (0)
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// Whether to provide "struct" module
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#define MICROPY_PY_STRUCT (0)
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// Whether to provide "sys" module
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#define MICROPY_PY_SYS (0)
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// Whether to provide the "urandom" module
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#define MICROPY_PY_URANDOM (1)
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// Whether to include: randrange, randint, choice, random, uniform
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#define MICROPY_PY_URANDOM_EXTRA_FUNCS (1)
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// Function to seed URANDOM with on init
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#define MICROPY_PY_URANDOM_SEED_INIT_FUNC micropython_port_random()
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// Make a pointer to RAM callable (eg set lower bit for Thumb code)
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// (This scheme won't work if we want to mix Thumb and normal ARM code.)
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#define MICROPY_MAKE_POINTER_CALLABLE(p) (p)
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#define MICROPY_VM_HOOK_LOOP micropython_port_vm_hook_loop();
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typedef intptr_t mp_int_t; // must be pointer size
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typedef uintptr_t mp_uint_t; // must be pointer size
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typedef long mp_off_t;
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#define SEEK_CUR 1
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// extra built in names to add to the global namespace
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#define MICROPY_PORT_BUILTINS \
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{ MP_OBJ_NEW_QSTR(MP_QSTR_open), (mp_obj_t)&mp_builtin_open_obj }, \
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{ MP_OBJ_NEW_QSTR(MP_QSTR_input), (mp_obj_t)&mp_builtin_input_obj },
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#define MP_STATE_PORT MP_STATE_VM
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extern const struct _mp_obj_module_t modion_module;
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extern const struct _mp_obj_module_t modkandinsky_module;
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extern const struct _mp_obj_module_t modtime_module;
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extern const struct _mp_obj_module_t modturtle_module;
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#define MICROPY_PORT_BUILTIN_MODULES \
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{ MP_ROM_QSTR(MP_QSTR_ion), MP_ROM_PTR(&modion_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_kandinsky), MP_ROM_PTR(&modkandinsky_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&modtime_module) }, \
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{ MP_ROM_QSTR(MP_QSTR_turtle), MP_ROM_PTR(&modturtle_module) }, \
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