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py: Put all bytecode state (arg count, etc) in bytecode.

This commit is contained in:
Damien George 2015-10-22 23:45:37 +01:00
parent 9b7f583b0c
commit 3a3db4dcf0
14 changed files with 95 additions and 78 deletions
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73
py/bc.c
View File

@ -31,6 +31,7 @@
#include "py/nlr.h"
#include "py/objfun.h"
#include "py/runtime0.h"
#include "py/bc.h"
#if 0 // print debugging info
@ -100,6 +101,12 @@ void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t
code_state->prev = NULL;
#endif
// get params
mp_uint_t scope_flags = *code_state->ip++;
mp_uint_t n_pos_args = *code_state->ip++;
mp_uint_t n_kwonly_args = *code_state->ip++;
mp_uint_t n_def_pos_args = *code_state->ip++;
// align ip
code_state->ip = MP_ALIGN(code_state->ip, sizeof(mp_uint_t));
@ -112,33 +119,33 @@ void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t
const mp_obj_t *kwargs = args + n_args;
// var_pos_kw_args points to the stack where the var-args tuple, and var-kw dict, should go (if they are needed)
mp_obj_t *var_pos_kw_args = &code_state->state[n_state - 1 - self->n_pos_args - self->n_kwonly_args];
mp_obj_t *var_pos_kw_args = &code_state->state[n_state - 1 - n_pos_args - n_kwonly_args];
// check positional arguments
if (n_args > self->n_pos_args) {
if (n_args > n_pos_args) {
// given more than enough arguments
if (!self->takes_var_args) {
fun_pos_args_mismatch(self, self->n_pos_args, n_args);
if ((scope_flags & MP_SCOPE_FLAG_VARARGS) == 0) {
fun_pos_args_mismatch(self, n_pos_args, n_args);
}
// put extra arguments in varargs tuple
*var_pos_kw_args-- = mp_obj_new_tuple(n_args - self->n_pos_args, args + self->n_pos_args);
n_args = self->n_pos_args;
*var_pos_kw_args-- = mp_obj_new_tuple(n_args - n_pos_args, args + n_pos_args);
n_args = n_pos_args;
} else {
if (self->takes_var_args) {
if ((scope_flags & MP_SCOPE_FLAG_VARARGS) != 0) {
DEBUG_printf("passing empty tuple as *args\n");
*var_pos_kw_args-- = mp_const_empty_tuple;
}
// Apply processing and check below only if we don't have kwargs,
// otherwise, kw handling code below has own extensive checks.
if (n_kw == 0 && !self->has_def_kw_args) {
if (n_args >= (mp_uint_t)(self->n_pos_args - self->n_def_args)) {
if (n_kw == 0 && (scope_flags & MP_SCOPE_FLAG_DEFKWARGS) == 0) {
if (n_args >= (mp_uint_t)(n_pos_args - n_def_pos_args)) {
// given enough arguments, but may need to use some default arguments
for (mp_uint_t i = n_args; i < self->n_pos_args; i++) {
code_state->state[n_state - 1 - i] = self->extra_args[i - (self->n_pos_args - self->n_def_args)];
for (mp_uint_t i = n_args; i < n_pos_args; i++) {
code_state->state[n_state - 1 - i] = self->extra_args[i - (n_pos_args - n_def_pos_args)];
}
} else {
fun_pos_args_mismatch(self, self->n_pos_args - self->n_def_args, n_args);
fun_pos_args_mismatch(self, n_pos_args - n_def_pos_args, n_args);
}
}
}
@ -150,12 +157,12 @@ void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t
// check keyword arguments
if (n_kw != 0 || self->has_def_kw_args) {
if (n_kw != 0 || (scope_flags & MP_SCOPE_FLAG_DEFKWARGS) != 0) {
DEBUG_printf("Initial args: ");
dump_args(code_state->state + n_state - self->n_pos_args - self->n_kwonly_args, self->n_pos_args + self->n_kwonly_args);
dump_args(code_state->state + n_state - n_pos_args - n_kwonly_args, n_pos_args + n_kwonly_args);
mp_obj_t dict = MP_OBJ_NULL;
if (self->takes_kw_args) {
if ((scope_flags & MP_SCOPE_FLAG_VARKEYWORDS) != 0) {
dict = mp_obj_new_dict(n_kw); // TODO: better go conservative with 0?
*var_pos_kw_args = dict;
}
@ -165,7 +172,7 @@ void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t
for (mp_uint_t i = 0; i < n_kw; i++) {
mp_obj_t wanted_arg_name = kwargs[2 * i];
for (mp_uint_t j = 0; j < self->n_pos_args + self->n_kwonly_args; j++) {
for (mp_uint_t j = 0; j < n_pos_args + n_kwonly_args; j++) {
if (wanted_arg_name == arg_names[j]) {
if (code_state->state[n_state - 1 - j] != MP_OBJ_NULL) {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
@ -176,7 +183,7 @@ void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t
}
}
// Didn't find name match with positional args
if (!self->takes_kw_args) {
if ((scope_flags & MP_SCOPE_FLAG_VARKEYWORDS) == 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "function does not take keyword arguments"));
}
mp_obj_dict_store(dict, kwargs[2 * i], kwargs[2 * i + 1]);
@ -184,19 +191,19 @@ continue2:;
}
DEBUG_printf("Args with kws flattened: ");
dump_args(code_state->state + n_state - self->n_pos_args - self->n_kwonly_args, self->n_pos_args + self->n_kwonly_args);
dump_args(code_state->state + n_state - n_pos_args - n_kwonly_args, n_pos_args + n_kwonly_args);
// fill in defaults for positional args
mp_obj_t *d = &code_state->state[n_state - self->n_pos_args];
mp_obj_t *s = &self->extra_args[self->n_def_args - 1];
for (mp_uint_t i = self->n_def_args; i > 0; i--, d++, s--) {
mp_obj_t *d = &code_state->state[n_state - n_pos_args];
mp_obj_t *s = &self->extra_args[n_def_pos_args - 1];
for (mp_uint_t i = n_def_pos_args; i > 0; i--, d++, s--) {
if (*d == MP_OBJ_NULL) {
*d = *s;
}
}
DEBUG_printf("Args after filling default positional: ");
dump_args(code_state->state + n_state - self->n_pos_args - self->n_kwonly_args, self->n_pos_args + self->n_kwonly_args);
dump_args(code_state->state + n_state - n_pos_args - n_kwonly_args, n_pos_args + n_kwonly_args);
// Check that all mandatory positional args are specified
while (d < &code_state->state[n_state]) {
@ -208,35 +215,35 @@ continue2:;
// Check that all mandatory keyword args are specified
// Fill in default kw args if we have them
for (mp_uint_t i = 0; i < self->n_kwonly_args; i++) {
if (code_state->state[n_state - 1 - self->n_pos_args - i] == MP_OBJ_NULL) {
for (mp_uint_t i = 0; i < n_kwonly_args; i++) {
if (code_state->state[n_state - 1 - n_pos_args - i] == MP_OBJ_NULL) {
mp_map_elem_t *elem = NULL;
if (self->has_def_kw_args) {
elem = mp_map_lookup(&((mp_obj_dict_t*)self->extra_args[self->n_def_args])->map, arg_names[self->n_pos_args + i], MP_MAP_LOOKUP);
if ((scope_flags & MP_SCOPE_FLAG_DEFKWARGS) != 0) {
elem = mp_map_lookup(&((mp_obj_dict_t*)self->extra_args[n_def_pos_args])->map, arg_names[n_pos_args + i], MP_MAP_LOOKUP);
}
if (elem != NULL) {
code_state->state[n_state - 1 - self->n_pos_args - i] = elem->value;
code_state->state[n_state - 1 - n_pos_args - i] = elem->value;
} else {
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_TypeError,
"function missing required keyword argument '%q'", MP_OBJ_QSTR_VALUE(arg_names[self->n_pos_args + i])));
"function missing required keyword argument '%q'", MP_OBJ_QSTR_VALUE(arg_names[n_pos_args + i])));
}
}
}
} else {
// no keyword arguments given
if (self->n_kwonly_args != 0) {
if (n_kwonly_args != 0) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError,
"function missing keyword-only argument"));
}
if (self->takes_kw_args) {
if ((scope_flags & MP_SCOPE_FLAG_VARKEYWORDS) != 0) {
*var_pos_kw_args = mp_obj_new_dict(0);
}
}
// get the ip and skip argument names
const byte *ip = code_state->ip;
ip += (self->n_pos_args + self->n_kwonly_args) * sizeof(mp_uint_t);
ip += (n_pos_args + n_kwonly_args) * sizeof(mp_uint_t);
// store pointer to code_info and jump over it
{
@ -256,7 +263,7 @@ continue2:;
// now that we skipped over the prelude, set the ip for the VM
code_state->ip = ip;
DEBUG_printf("Calling: n_pos_args=%d, n_kwonly_args=%d\n", self->n_pos_args, self->n_kwonly_args);
dump_args(code_state->state + n_state - self->n_pos_args - self->n_kwonly_args, self->n_pos_args + self->n_kwonly_args);
DEBUG_printf("Calling: n_pos_args=%d, n_kwonly_args=%d\n", n_pos_args, n_kwonly_args);
dump_args(code_state->state + n_state - n_pos_args - n_kwonly_args, n_pos_args + n_kwonly_args);
dump_args(code_state->state, n_state);
}

6
py/bc.h
View File

@ -33,6 +33,10 @@
//
// n_state : var uint
// n_exc_stack : var uint
// scope_flags : byte
// n_pos_args : byte number of arguments this function takes
// n_kwonly_args : byte number of keyword-only arguments this function takes
// n_def_pos_args : byte number of default positional arguments
//
// <word alignment padding>
//
@ -85,7 +89,7 @@ mp_uint_t mp_decode_uint(const byte **ptr);
mp_vm_return_kind_t mp_execute_bytecode(mp_code_state *code_state, volatile mp_obj_t inject_exc);
mp_code_state *mp_obj_fun_bc_prepare_codestate(mp_obj_t func, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
void mp_setup_code_state(mp_code_state *code_state, mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args);
void mp_bytecode_print(const void *descr, mp_uint_t n_total_args, const byte *code, mp_uint_t len);
void mp_bytecode_print(const void *descr, const byte *code, mp_uint_t len);
void mp_bytecode_print2(const byte *code, mp_uint_t len);
const byte *mp_bytecode_print_str(const byte *ip);
#define mp_bytecode_print_inst(code) mp_bytecode_print2(code, 1)

6
py/compile.c
View File

@ -539,6 +539,12 @@ STATIC void close_over_variables_etc(compiler_t *comp, scope_t *this_scope, int
assert(n_pos_defaults >= 0);
assert(n_kw_defaults >= 0);
// set flags
if (n_kw_defaults > 0) {
this_scope->scope_flags |= MP_SCOPE_FLAG_DEFKWARGS;
}
this_scope->num_def_pos_args = n_pos_defaults;
// make closed over variables, if any
// ensure they are closed over in the order defined in the outer scope (mainly to agree with CPython)
int nfree = 0;

11
py/emitbc.c
View File

@ -294,6 +294,13 @@ void mp_emit_bc_start_pass(emit_t *emit, pass_kind_t pass, scope_t *scope) {
emit_write_code_info_uint(emit, scope->exc_stack_size);
}
// Write scope flags and number of arguments.
// TODO check that num args all fit in a byte
emit_write_code_info_byte(emit, emit->scope->scope_flags);
emit_write_code_info_byte(emit, emit->scope->num_pos_args);
emit_write_code_info_byte(emit, emit->scope->num_kwonly_args);
emit_write_code_info_byte(emit, emit->scope->num_def_pos_args);
// Align code-info so that following pointers are aligned on a machine word.
emit_align_code_info_to_machine_word(emit);
@ -372,9 +379,7 @@ void mp_emit_bc_end_pass(emit_t *emit) {
} else if (emit->pass == MP_PASS_EMIT) {
mp_emit_glue_assign_bytecode(emit->scope->raw_code, emit->code_base,
emit->code_info_size + emit->bytecode_size,
emit->scope->num_pos_args, emit->scope->num_kwonly_args,
emit->scope->scope_flags);
emit->code_info_size + emit->bytecode_size, emit->scope->scope_flags);
}
}

22
py/emitglue.c
View File

@ -48,11 +48,9 @@ struct _mp_raw_code_t {
mp_raw_code_kind_t kind : 3;
mp_uint_t scope_flags : 7;
mp_uint_t n_pos_args : 11;
mp_uint_t n_kwonly_args : 11;
union {
struct {
byte *code;
mp_uint_t len;
const byte *code;
} u_byte;
struct {
void *fun_data;
@ -67,36 +65,32 @@ mp_raw_code_t *mp_emit_glue_new_raw_code(void) {
return rc;
}
void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, byte *code, mp_uint_t len, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_uint_t scope_flags) {
void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, byte *code, mp_uint_t len, mp_uint_t scope_flags) {
rc->kind = MP_CODE_BYTECODE;
rc->scope_flags = scope_flags;
rc->n_pos_args = n_pos_args;
rc->n_kwonly_args = n_kwonly_args;
rc->data.u_byte.code = code;
rc->data.u_byte.len = len;
#ifdef DEBUG_PRINT
DEBUG_printf("assign byte code: code=%p len=" UINT_FMT " n_pos_args=" UINT_FMT " n_kwonly_args=" UINT_FMT " flags=%x\n", code, len, n_pos_args, n_kwonly_args, (uint)scope_flags);
DEBUG_printf("assign byte code: code=%p len=" UINT_FMT " flags=%x\n", code, len, (uint)scope_flags);
#endif
#if MICROPY_DEBUG_PRINTERS
if (mp_verbose_flag >= 2) {
mp_bytecode_print(rc, n_pos_args + n_kwonly_args, code, len);
mp_bytecode_print(rc, code, len);
}
#endif
}
#if MICROPY_EMIT_NATIVE || MICROPY_EMIT_INLINE_THUMB
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_uint_t scope_flags, mp_uint_t type_sig) {
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig) {
assert(kind == MP_CODE_NATIVE_PY || kind == MP_CODE_NATIVE_VIPER || kind == MP_CODE_NATIVE_ASM);
rc->kind = kind;
rc->scope_flags = scope_flags;
rc->n_pos_args = n_pos_args;
rc->n_kwonly_args = n_kwonly_args;
rc->data.u_native.fun_data = fun_data;
rc->data.u_native.type_sig = type_sig;
#ifdef DEBUG_PRINT
DEBUG_printf("assign native: kind=%d fun=%p len=" UINT_FMT " n_pos_args=" UINT_FMT " n_kwonly_args=" UINT_FMT " flags=%x\n", kind, fun_data, fun_len, n_pos_args, n_kwonly_args, (uint)scope_flags);
DEBUG_printf("assign native: kind=%d fun=%p len=" UINT_FMT " n_pos_args=" UINT_FMT " flags=%x\n", kind, fun_data, fun_len, n_pos_args, (uint)scope_flags);
for (mp_uint_t i = 0; i < fun_len; i++) {
if (i > 0 && i % 16 == 0) {
DEBUG_printf("\n");
@ -131,11 +125,11 @@ mp_obj_t mp_make_function_from_raw_code(mp_raw_code_t *rc, mp_obj_t def_args, mp
switch (rc->kind) {
case MP_CODE_BYTECODE:
no_other_choice:
fun = mp_obj_new_fun_bc(rc->scope_flags, rc->n_pos_args, rc->n_kwonly_args, def_args, def_kw_args, rc->data.u_byte.code);
fun = mp_obj_new_fun_bc(def_args, def_kw_args, rc->data.u_byte.code);
break;
#if MICROPY_EMIT_NATIVE
case MP_CODE_NATIVE_PY:
fun = mp_obj_new_fun_native(rc->scope_flags, rc->n_pos_args, rc->n_kwonly_args, def_args, def_kw_args, rc->data.u_native.fun_data);
fun = mp_obj_new_fun_native(def_args, def_kw_args, rc->data.u_native.fun_data);
break;
case MP_CODE_NATIVE_VIPER:
fun = mp_obj_new_fun_viper(rc->n_pos_args, rc->data.u_native.fun_data, rc->data.u_native.type_sig);

4
py/emitglue.h
View File

@ -43,8 +43,8 @@ typedef struct _mp_raw_code_t mp_raw_code_t;
mp_raw_code_t *mp_emit_glue_new_raw_code(void);
void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, byte *code, mp_uint_t len, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_uint_t scope_flags);
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_uint_t scope_flags, mp_uint_t type_sig);
void mp_emit_glue_assign_bytecode(mp_raw_code_t *rc, byte *code, mp_uint_t len, mp_uint_t scope_flags);
void mp_emit_glue_assign_native(mp_raw_code_t *rc, mp_raw_code_kind_t kind, void *fun_data, mp_uint_t fun_len, mp_uint_t n_pos_args, mp_uint_t scope_flags, mp_uint_t type_sig);
mp_obj_t mp_make_function_from_raw_code(mp_raw_code_t *rc, mp_obj_t def_args, mp_obj_t def_kw_args);
mp_obj_t mp_make_closure_from_raw_code(mp_raw_code_t *rc, mp_uint_t n_closed_over, const mp_obj_t *args);

2
py/emitinlinethumb.c
View File

@ -90,7 +90,7 @@ STATIC void emit_inline_thumb_end_pass(emit_inline_asm_t *emit) {
if (emit->pass == MP_PASS_EMIT) {
void *f = asm_thumb_get_code(emit->as);
mp_emit_glue_assign_native(emit->scope->raw_code, MP_CODE_NATIVE_ASM, f, asm_thumb_get_code_size(emit->as), emit->scope->num_pos_args, 0, 0, 0);
mp_emit_glue_assign_native(emit->scope->raw_code, MP_CODE_NATIVE_ASM, f, asm_thumb_get_code_size(emit->as), emit->scope->num_pos_args, 0, 0);
}
}

7
py/emitnative.c
View File

@ -824,6 +824,10 @@ STATIC void emit_native_end_pass(emit_t *emit) {
if (!emit->do_viper_types) {
emit->prelude_offset = ASM_GET_CODE_POS(emit->as);
ASM_DATA(emit->as, 1, emit->scope->scope_flags);
ASM_DATA(emit->as, 1, emit->scope->num_pos_args);
ASM_DATA(emit->as, 1, emit->scope->num_kwonly_args);
ASM_DATA(emit->as, 1, emit->scope->num_def_pos_args);
ASM_ALIGN(emit->as, ASM_WORD_SIZE);
// write argument names as qstr objects
@ -874,8 +878,7 @@ STATIC void emit_native_end_pass(emit_t *emit) {
mp_emit_glue_assign_native(emit->scope->raw_code,
emit->do_viper_types ? MP_CODE_NATIVE_VIPER : MP_CODE_NATIVE_PY,
f, f_len, emit->scope->num_pos_args, emit->scope->num_kwonly_args,
emit->scope->scope_flags, type_sig);
f, f_len, emit->scope->num_pos_args, emit->scope->scope_flags, type_sig);
}
}

4
py/obj.h
View File

@ -537,8 +537,8 @@ mp_obj_t mp_obj_new_exception_arg1(const mp_obj_type_t *exc_type, mp_obj_t arg);
mp_obj_t mp_obj_new_exception_args(const mp_obj_type_t *exc_type, mp_uint_t n_args, const mp_obj_t *args);
mp_obj_t mp_obj_new_exception_msg(const mp_obj_type_t *exc_type, const char *msg);
mp_obj_t mp_obj_new_exception_msg_varg(const mp_obj_type_t *exc_type, const char *fmt, ...); // counts args by number of % symbols in fmt, excluding %%; can only handle void* sizes (ie no float/double!)
mp_obj_t mp_obj_new_fun_bc(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args, mp_obj_t def_kw_args, const byte *code);
mp_obj_t mp_obj_new_fun_native(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data);
mp_obj_t mp_obj_new_fun_bc(mp_obj_t def_args, mp_obj_t def_kw_args, const byte *code);
mp_obj_t mp_obj_new_fun_native(mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data);
mp_obj_t mp_obj_new_fun_viper(mp_uint_t n_args, void *fun_data, mp_uint_t type_sig);
mp_obj_t mp_obj_new_fun_asm(mp_uint_t n_args, void *fun_data);
mp_obj_t mp_obj_new_gen_wrap(mp_obj_t fun);

18
py/objfun.c
View File

@ -125,8 +125,12 @@ qstr mp_obj_fun_get_name(mp_const_obj_t fun_in) {
const byte *bc = fun->bytecode;
mp_decode_uint(&bc); // skip n_state
mp_decode_uint(&bc); // skip n_exc_stack
bc++; // skip scope_params
mp_uint_t n_pos_args = *bc++;
mp_uint_t n_kwonly_args = *bc++;
bc++; // skip n_def_pos_args
bc = MP_ALIGN(bc, sizeof(mp_uint_t)); // align
bc += (fun->n_pos_args + fun->n_kwonly_args) * sizeof(mp_uint_t); // skip arg names
bc += (n_pos_args + n_kwonly_args) * sizeof(mp_uint_t); // skip arg names
return mp_obj_code_get_name(bc);
}
@ -316,7 +320,7 @@ const mp_obj_type_t mp_type_fun_bc = {
#endif
};
mp_obj_t mp_obj_new_fun_bc(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args_in, mp_obj_t def_kw_args, const byte *code) {
mp_obj_t mp_obj_new_fun_bc(mp_obj_t def_args_in, mp_obj_t def_kw_args, const byte *code) {
mp_uint_t n_def_args = 0;
mp_uint_t n_extra_args = 0;
mp_obj_tuple_t *def_args = def_args_in;
@ -331,12 +335,6 @@ mp_obj_t mp_obj_new_fun_bc(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_
mp_obj_fun_bc_t *o = m_new_obj_var(mp_obj_fun_bc_t, mp_obj_t, n_extra_args);
o->base.type = &mp_type_fun_bc;
o->globals = mp_globals_get();
o->n_pos_args = n_pos_args;
o->n_kwonly_args = n_kwonly_args;
o->n_def_args = n_def_args;
o->has_def_kw_args = def_kw_args != MP_OBJ_NULL;
o->takes_var_args = (scope_flags & MP_SCOPE_FLAG_VARARGS) != 0;
o->takes_kw_args = (scope_flags & MP_SCOPE_FLAG_VARKEYWORDS) != 0;
o->bytecode = code;
if (def_args != MP_OBJ_NULL) {
memcpy(o->extra_args, def_args->items, n_def_args * sizeof(mp_obj_t));
@ -366,8 +364,8 @@ STATIC const mp_obj_type_t mp_type_fun_native = {
.unary_op = mp_generic_unary_op,
};
mp_obj_t mp_obj_new_fun_native(mp_uint_t scope_flags, mp_uint_t n_pos_args, mp_uint_t n_kwonly_args, mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data) {
mp_obj_fun_bc_t *o = mp_obj_new_fun_bc(scope_flags, n_pos_args, n_kwonly_args, def_args_in, def_kw_args, (const byte*)fun_data);
mp_obj_t mp_obj_new_fun_native(mp_obj_t def_args_in, mp_obj_t def_kw_args, const void *fun_data) {
mp_obj_fun_bc_t *o = mp_obj_new_fun_bc(def_args_in, def_kw_args, (const byte*)fun_data);
o->base.type = &mp_type_fun_native;
return o;
}

6
py/objfun.h
View File

@ -31,12 +31,6 @@
typedef struct _mp_obj_fun_bc_t {
mp_obj_base_t base;
mp_obj_dict_t *globals; // the context within which this function was defined
mp_uint_t n_pos_args : 8; // number of arguments this function takes
mp_uint_t n_kwonly_args : 8; // number of keyword-only arguments this function takes
mp_uint_t n_def_args : 8; // number of default arguments
mp_uint_t has_def_kw_args : 1; // set if this function has default keyword args
mp_uint_t takes_var_args : 1; // set if this function takes variable args
mp_uint_t takes_kw_args : 1; // set if this function takes keyword args
const byte *bytecode; // bytecode for the function
// the following extra_args array is allocated space to take (in order):
// - values of positional default args (if any)

1
py/runtime0.h
View File

@ -30,6 +30,7 @@
#define MP_SCOPE_FLAG_VARARGS (0x01)
#define MP_SCOPE_FLAG_VARKEYWORDS (0x02)
#define MP_SCOPE_FLAG_GENERATOR (0x04)
#define MP_SCOPE_FLAG_DEFKWARGS (0x08)
// types for native (viper) function signature
#define MP_NATIVE_TYPE_OBJ (0x00)

1
py/scope.h
View File

@ -66,6 +66,7 @@ typedef struct _scope_t {
uint8_t emit_options; // see compile.h
uint16_t num_pos_args;
uint16_t num_kwonly_args;
uint16_t num_def_pos_args;
uint16_t num_locals;
uint16_t stack_size; // maximum size of the locals stack
uint16_t exc_stack_size; // maximum size of the exception stack

12
py/showbc.c
View File

@ -54,18 +54,22 @@
const byte *mp_showbc_code_start;
void mp_bytecode_print(const void *descr, mp_uint_t n_total_args, const byte *ip, mp_uint_t len) {
void mp_bytecode_print(const void *descr, const byte *ip, mp_uint_t len) {
mp_showbc_code_start = ip;
// get state size and exception stack size
// get bytecode parameters
mp_uint_t n_state = mp_decode_uint(&ip);
mp_uint_t n_exc_stack = mp_decode_uint(&ip);
/*mp_uint_t scope_flags =*/ ip++;
mp_uint_t n_pos_args = *ip++;
mp_uint_t n_kwonly_args = *ip++;
/*mp_uint_t n_def_pos_args =*/ ip++;
ip = MP_ALIGN(ip, sizeof(mp_uint_t));
// get and skip arg names
const mp_obj_t *arg_names = (const mp_obj_t*)ip;
ip += n_total_args * sizeof(mp_uint_t);
ip += (n_pos_args + n_kwonly_args) * sizeof(mp_uint_t);
const byte *code_info = ip;
mp_uint_t code_info_size = mp_decode_uint(&code_info);
@ -88,7 +92,7 @@ void mp_bytecode_print(const void *descr, mp_uint_t n_total_args, const byte *ip
// bytecode prelude: arg names (as qstr objects)
printf("arg names:");
for (mp_uint_t i = 0; i < n_total_args; i++) {
for (mp_uint_t i = 0; i < n_pos_args + n_kwonly_args; i++) {
printf(" %s", qstr_str(MP_OBJ_QSTR_VALUE(arg_names[i])));
}
printf("\n");