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[python] upgrade to micropython 1.12

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This commit is contained in:
Émilie Feral
2020-04-06 14:57:17 +02:00
committed by LeaNumworks
parent 010fb1894f
commit 7df8c2935a
83 changed files with 3516 additions and 1284 deletions
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81
python/src/py/objgenerator.c
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@@ -30,16 +30,23 @@
#include "py/runtime.h"
#include "py/bc.h"
#include "py/objstr.h"
#include "py/objgenerator.h"
#include "py/objfun.h"
#include "py/stackctrl.h"
// Instance of GeneratorExit exception - needed by generator.close()
const mp_obj_exception_t mp_const_GeneratorExit_obj = {{&mp_type_GeneratorExit}, 0, 0, NULL, (mp_obj_tuple_t*)&mp_const_empty_tuple_obj};
/******************************************************************************/
/* generator wrapper */
typedef struct _mp_obj_gen_instance_t {
mp_obj_base_t base;
mp_obj_dict_t *globals;
// mp_const_none: Not-running, no exception.
// MP_OBJ_NULL: Running, no exception.
// other: Not running, pending exception.
mp_obj_t pend_exc;
mp_code_state_t code_state;
} mp_obj_gen_instance_t;
@@ -48,17 +55,18 @@ STATIC mp_obj_t gen_wrap_call(mp_obj_t self_in, size_t n_args, size_t n_kw, cons
mp_obj_fun_bc_t *self_fun = MP_OBJ_TO_PTR(self_in);
// bytecode prelude: get state size and exception stack size
size_t n_state = mp_decode_uint_value(self_fun->bytecode);
size_t n_exc_stack = mp_decode_uint_value(mp_decode_uint_skip(self_fun->bytecode));
const uint8_t *ip = self_fun->bytecode;
MP_BC_PRELUDE_SIG_DECODE(ip);
// allocate the generator object, with room for local stack and exception stack
mp_obj_gen_instance_t *o = m_new_obj_var(mp_obj_gen_instance_t, byte,
n_state * sizeof(mp_obj_t) + n_exc_stack * sizeof(mp_exc_stack_t));
o->base.type = &mp_type_gen_instance;
o->globals = self_fun->globals;
o->pend_exc = mp_const_none;
o->code_state.fun_bc = self_fun;
o->code_state.ip = 0;
o->code_state.n_state = n_state;
mp_setup_code_state(&o->code_state, n_args, n_kw, args);
return MP_OBJ_FROM_PTR(o);
}
@@ -84,7 +92,14 @@ STATIC mp_obj_t native_gen_wrap_call(mp_obj_t self_in, size_t n_args, size_t n_k
// Determine start of prelude, and extract n_state from it
uintptr_t prelude_offset = ((uintptr_t*)self_fun->bytecode)[0];
size_t n_state = mp_decode_uint_value(self_fun->bytecode + prelude_offset);
#if MICROPY_EMIT_NATIVE_PRELUDE_AS_BYTES_OBJ
// Prelude is in bytes object in const_table, at index prelude_offset
mp_obj_str_t *prelude_bytes = MP_OBJ_TO_PTR(self_fun->const_table[prelude_offset]);
prelude_offset = (const byte*)prelude_bytes->data - self_fun->bytecode;
#endif
const uint8_t *ip = self_fun->bytecode + prelude_offset;
size_t n_state, n_exc_stack_unused, scope_flags, n_pos_args, n_kwonly_args, n_def_args;
MP_BC_PRELUDE_SIG_DECODE_INTO(ip, n_state, n_exc_stack_unused, scope_flags, n_pos_args, n_kwonly_args, n_def_args);
size_t n_exc_stack = 0;
// Allocate the generator object, with room for local stack and exception stack
@@ -93,13 +108,14 @@ STATIC mp_obj_t native_gen_wrap_call(mp_obj_t self_in, size_t n_args, size_t n_k
o->base.type = &mp_type_gen_instance;
// Parse the input arguments and set up the code state
o->globals = self_fun->globals;
o->pend_exc = mp_const_none;
o->code_state.fun_bc = self_fun;
o->code_state.ip = (const byte*)prelude_offset;
o->code_state.n_state = n_state;
mp_setup_code_state(&o->code_state, n_args, n_kw, args);
// Indicate we are a native function, which doesn't use this variable
o->code_state.exc_sp = NULL;
o->code_state.exc_sp_idx = MP_CODE_STATE_EXC_SP_IDX_SENTINEL;
// Prepare the generator instance for execution
uintptr_t start_offset = ((uintptr_t*)self_fun->bytecode)[1];
@@ -138,38 +154,39 @@ mp_vm_return_kind_t mp_obj_gen_resume(mp_obj_t self_in, mp_obj_t send_value, mp_
*ret_val = MP_OBJ_STOP_ITERATION;
return MP_VM_RETURN_NORMAL;
}
// Ensure the generator cannot be reentered during execution
if (self->pend_exc == MP_OBJ_NULL) {
mp_raise_ValueError("generator already executing");
}
#if MICROPY_PY_GENERATOR_PEND_THROW
// If exception is pending (set using .pend_throw()), process it now.
if (self->pend_exc != mp_const_none) {
throw_value = self->pend_exc;
}
#endif
// If the generator is started, allow sending a value.
if (self->code_state.sp == self->code_state.state - 1) {
if (send_value != mp_const_none) {
mp_raise_TypeError("can't send non-None value to a just-started generator");
}
} else {
#if MICROPY_PY_GENERATOR_PEND_THROW
// If exception is pending (set using .pend_throw()), process it now.
if (*self->code_state.sp != mp_const_none) {
throw_value = *self->code_state.sp;
*self->code_state.sp = MP_OBJ_NULL;
} else
#endif
{
*self->code_state.sp = send_value;
}
*self->code_state.sp = send_value;
}
// We set self->globals=NULL while executing, for a sentinel to ensure the generator
// cannot be reentered during execution
if (self->globals == NULL) {
mp_raise_ValueError("generator already executing");
}
// Mark as running
self->pend_exc = MP_OBJ_NULL;
// Set up the correct globals context for the generator and execute it
self->code_state.old_globals = mp_globals_get();
mp_globals_set(self->globals);
self->globals = NULL;
mp_globals_set(self->code_state.fun_bc->globals);
mp_vm_return_kind_t ret_kind;
#if MICROPY_EMIT_NATIVE
if (self->code_state.exc_sp == NULL) {
if (self->code_state.exc_sp_idx == MP_CODE_STATE_EXC_SP_IDX_SENTINEL) {
// A native generator, with entry point 2 words into the "bytecode" pointer
typedef uintptr_t (*mp_fun_native_gen_t)(void*, mp_obj_t);
mp_fun_native_gen_t fun = MICROPY_MAKE_POINTER_CALLABLE((const void*)(self->code_state.fun_bc->bytecode + 2 * sizeof(uintptr_t)));
@@ -181,9 +198,11 @@ mp_vm_return_kind_t mp_obj_gen_resume(mp_obj_t self_in, mp_obj_t send_value, mp_
ret_kind = mp_execute_bytecode(&self->code_state, throw_value);
}
self->globals = mp_globals_get();
mp_globals_set(self->code_state.old_globals);
// Mark as not running
self->pend_exc = mp_const_none;
switch (ret_kind) {
case MP_VM_RETURN_NORMAL:
default:
@@ -297,16 +316,18 @@ STATIC mp_obj_t gen_instance_close(mp_obj_t self_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(gen_instance_close_obj, gen_instance_close);
#if MICROPY_PY_GENERATOR_PEND_THROW
STATIC mp_obj_t gen_instance_pend_throw(mp_obj_t self_in, mp_obj_t exc_in) {
mp_obj_gen_instance_t *self = MP_OBJ_TO_PTR(self_in);
if (self->code_state.sp == self->code_state.state - 1) {
mp_raise_TypeError("can't pend throw to just-started generator");
if (self->pend_exc == MP_OBJ_NULL) {
mp_raise_ValueError("generator already executing");
}
mp_obj_t prev = *self->code_state.sp;
*self->code_state.sp = exc_in;
mp_obj_t prev = self->pend_exc;
self->pend_exc = exc_in;
return prev;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(gen_instance_pend_throw_obj, gen_instance_pend_throw);
#endif
STATIC const mp_rom_map_elem_t gen_instance_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&gen_instance_close_obj) },