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Merge pull request #165 from chipaca/builtins 

added zip()
This commit is contained in:
Damien George 2014-01-14 15:13:40 -08:00
parent 8bc96471f0 93451002f0
commit 6c2401e935
14 changed files with 155 additions and 26 deletions
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20
py/builtin.c
View File

@ -324,5 +324,23 @@ static mp_obj_t mp_builtin_sum(int n_args, const mp_obj_t *args) {
}
return value;
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_sum_obj, 1, 2, mp_builtin_sum);
static mp_obj_t mp_builtin_sorted(mp_obj_t args, mp_map_t *kwargs) {
mp_obj_t *args_items = NULL;
uint args_len = 0;
assert(MP_OBJ_IS_TYPE(args, &tuple_type));
mp_obj_tuple_get(args, &args_len, &args_items);
assert(args_len >= 1);
if (args_len > 1) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError,
"must use keyword argument for key function"));
}
mp_obj_t self = list_type.make_new((mp_obj_t)&list_type, 1, args_items);
mp_obj_t new_args = rt_build_tuple(1, &self);
list_sort(new_args, kwargs);
return self;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_sorted_obj, 1, mp_builtin_sorted);

1
py/builtin.h
View File

@ -21,4 +21,5 @@ MP_DECLARE_CONST_FUN_OBJ(mp_builtin_ord_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_pow_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_print_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_range_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_sorted_obj);
MP_DECLARE_CONST_FUN_OBJ(mp_builtin_sum_obj);

1
py/misc.h
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@ -21,6 +21,7 @@ typedef unsigned int uint;
#define m_renew(type, ptr, old_num, new_num) ((type*)(m_realloc((ptr), sizeof(type) * (old_num), sizeof(type) * (new_num))))
#define m_del(type, ptr, num) m_free(ptr, sizeof(type) * (num))
#define m_del_obj(type, ptr) (m_del(type, ptr, 1))
#define m_del_var(obj_type, var_type, var_num, ptr) (m_free(ptr, sizeof(obj_type) + sizeof(var_type) * (var_num)))
void *m_malloc(int num_bytes);
void *m_malloc0(int num_bytes);

2
py/mpqstrraw.h
View File

@ -57,9 +57,11 @@ Q(pow)
Q(print)
Q(range)
Q(set)
Q(sorted)
Q(sum)
Q(tuple)
Q(type)
Q(zip)
Q(append)
Q(pop)

8
py/obj.h
View File

@ -59,7 +59,7 @@ typedef struct _mp_obj_base_t mp_obj_base_t;
#define MP_DEFINE_CONST_FUN_OBJ_3(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, 3, 3, (mp_fun_3_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_VAR(obj_name, n_args_min, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, n_args_min, (~((machine_uint_t)0)), (mp_fun_var_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(obj_name, n_args_min, n_args_max, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, false, n_args_min, n_args_max, (mp_fun_var_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_KW(obj_name, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, true, 0, (~((machine_uint_t)0)), (mp_fun_kw_t)fun_name)
#define MP_DEFINE_CONST_FUN_OBJ_KW(obj_name, n_args_min, fun_name) MP_DEFINE_CONST_FUN_OBJ_VOID_PTR(obj_name, true, n_args_min, (~((machine_uint_t)0)), (mp_fun_kw_t)fun_name)
// These macros are used to declare and define constant staticmethond and classmethod objects
// You can put "static" in front of the definitions to make them local
@ -285,12 +285,14 @@ mp_obj_t mp_obj_complex_binary_op(int op, mp_float_t lhs_real, mp_float_t lhs_im
// tuple
extern const mp_obj_type_t tuple_type;
void mp_obj_tuple_get(mp_obj_t self_in, uint *len, mp_obj_t **items);
void mp_obj_tuple_del(mp_obj_t self_in);
// list
extern const mp_obj_type_t list_type;
mp_obj_t mp_obj_list_append(mp_obj_t self_in, mp_obj_t arg);
void mp_obj_list_get(mp_obj_t self_in, uint *len, mp_obj_t **items);
void mp_obj_list_store(mp_obj_t self_in, mp_obj_t index, mp_obj_t value);
mp_obj_t list_sort(mp_obj_t args, struct _mp_map_t *kwargs);
// dict
extern const mp_obj_type_t dict_type;
@ -306,6 +308,10 @@ void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item);
extern const mp_obj_type_t slice_type;
void mp_obj_slice_get(mp_obj_t self_in, machine_int_t *start, machine_int_t *stop, machine_int_t *step);
// zip
extern const mp_obj_type_t zip_type;
// functions
typedef struct _mp_obj_fun_native_t { // need this so we can define const objects (to go in ROM)
mp_obj_base_t base;

43
py/objfun.c
View File

@ -17,21 +17,44 @@
// mp_obj_fun_native_t defined in obj.h
void check_nargs(mp_obj_fun_native_t *self, int n_args, int n_kw) {
if (n_kw && !self->is_kw) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError,
"function does not take keyword arguments"));
}
if (self->n_args_min == self->n_args_max) {
if (n_args != self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError,
"function takes %d positional arguments but %d were given",
(const char*)(machine_int_t)self->n_args_min,
(const char*)(machine_int_t)n_args));
}
} else {
if (n_args < self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError,
"<fun name>() missing %d required positional arguments: <list of names of params>",
(const char*)(machine_int_t)(self->n_args_min - n_args)));
} else if (n_args > self->n_args_max) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError,
"<fun name> expected at most %d arguments, got %d",
(void*)(machine_int_t)self->n_args_max, (void*)(machine_int_t)n_args));
}
}
}
mp_obj_t fun_native_call_n_kw(mp_obj_t self_in, int n_args, int n_kw, const mp_obj_t *args);
// args are in reverse order in the array
mp_obj_t fun_native_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_fun_native_t *self = self_in;
// check number of arguments
check_nargs(self, n_args, 0);
if (self->is_kw) {
return fun_native_call_n_kw(self_in, n_args, 0, args);
}
if (self->n_args_min == self->n_args_max) {
// function requires a fixed number of arguments
// check number of arguments
if (n_args != self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError, "function takes %d positional arguments but %d were given", (const char*)(machine_int_t)self->n_args_min, (const char*)(machine_int_t)n_args));
}
// dispatch function call
switch (self->n_args_min) {
case 0:
@ -54,12 +77,6 @@ mp_obj_t fun_native_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
} else {
// function takes a variable number of arguments
if (n_args < self->n_args_min) {
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "<fun name>() missing %d required positional arguments: <list of names of params>", (const char*)(machine_int_t)(self->n_args_min - n_args)));
} else if (n_args > self->n_args_max) {
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_TypeError, "<fun name> expected at most %d arguments, got %d", (void*)(machine_int_t)self->n_args_max, (void*)(machine_int_t)n_args));
}
// TODO really the args need to be passed in as a Python tuple, as the form f(*[1,2]) can be used to pass var args
mp_obj_t *args_ordered = m_new(mp_obj_t, n_args);
for (int i = 0; i < n_args; i++) {
@ -76,9 +93,7 @@ mp_obj_t fun_native_call_n(mp_obj_t self_in, int n_args, const mp_obj_t *args) {
mp_obj_t fun_native_call_n_kw(mp_obj_t self_in, int n_args, int n_kw, const mp_obj_t *args) {
mp_obj_fun_native_t *self = self_in;
if (!self->is_kw) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "function does not take keyword arguments"));
}
check_nargs(self, n_args, n_kw);
mp_obj_t *vargs = mp_obj_new_tuple_reverse(n_args, args + 2*n_kw);
mp_map_t *kw_args = mp_map_new(n_kw);

5
py/objlist.c
View File

@ -248,13 +248,14 @@ static void mp_quicksort(mp_obj_t *head, mp_obj_t *tail, mp_obj_t key_fn, bool r
}
}
static mp_obj_t list_sort(mp_obj_t args, mp_map_t *kwargs) {
mp_obj_t list_sort(mp_obj_t args, mp_map_t *kwargs) {
mp_obj_t *args_items = NULL;
uint args_len = 0;
assert(MP_OBJ_IS_TYPE(args, &tuple_type));
mp_obj_tuple_get(args, &args_len, &args_items);
assert(args_len >= 1);
assert(MP_OBJ_IS_TYPE(args_items[0], &list_type));
if (args_len > 1) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError,
"list.sort takes no positional arguments"));
@ -380,7 +381,7 @@ static MP_DEFINE_CONST_FUN_OBJ_3(list_insert_obj, list_insert);
static MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(list_pop_obj, 1, 2, list_pop);
static MP_DEFINE_CONST_FUN_OBJ_2(list_remove_obj, list_remove);
static MP_DEFINE_CONST_FUN_OBJ_1(list_reverse_obj, list_reverse);
static MP_DEFINE_CONST_FUN_OBJ_KW(list_sort_obj, list_sort);
static MP_DEFINE_CONST_FUN_OBJ_KW(list_sort_obj, 0, list_sort);
static const mp_method_t list_type_methods[] = {
{ "append", &list_append_obj },

20
py/objtuple.c
View File

@ -111,8 +111,10 @@ mp_obj_t mp_obj_new_tuple(uint n, const mp_obj_t *items) {
mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n);
o->base.type = &tuple_type;
o->len = n;
for (int i = 0; i < n; i++) {
o->items[i] = items[i];
if (items) {
for (int i = 0; i < n; i++) {
o->items[i] = items[i];
}
}
return o;
}
@ -133,8 +135,18 @@ mp_obj_t mp_obj_new_tuple_reverse(uint n, const mp_obj_t *items) {
void mp_obj_tuple_get(mp_obj_t self_in, uint *len, mp_obj_t **items) {
assert(MP_OBJ_IS_TYPE(self_in, &tuple_type));
mp_obj_tuple_t *self = self_in;
*len = self->len;
*items = &self->items[0];
if (len) {
*len = self->len;
}
if (items) {
*items = &self->items[0];
}
}
void mp_obj_tuple_del(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &tuple_type));
mp_obj_tuple_t *self = self_in;
m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
}
/******************************************************************************/

59
py/objzip.c Normal file
View File

@ -0,0 +1,59 @@
#include <stdlib.h>
#include <assert.h>
#include "misc.h"
#include "mpconfig.h"
#include "obj.h"
#include "runtime.h"
typedef struct _mp_obj_zip_t {
mp_obj_base_t base;
int n_iters;
mp_obj_t iters[];
} mp_obj_zip_t;
static mp_obj_t zip_getiter(mp_obj_t self_in) {
return self_in;
}
static mp_obj_t zip_iternext(mp_obj_t self_in);
static mp_obj_t zip_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
/* NOTE: args are backwards */
mp_obj_zip_t *o = m_new_obj_var(mp_obj_zip_t, mp_obj_t, n_args);
o->base.type = &zip_type;
o->n_iters = n_args;
for (int i = 0; i < n_args; i++) {
o->iters[i] = rt_getiter(args[n_args-i-1]);
}
return o;
}
const mp_obj_type_t zip_type = {
{ &mp_const_type },
"zip",
.make_new = zip_make_new,
.iternext = zip_iternext,
.getiter = zip_getiter,
};
static mp_obj_t zip_iternext(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &zip_type));
mp_obj_zip_t *self = self_in;
mp_obj_t *items;
if (self->n_iters == 0) {
return mp_const_stop_iteration;
}
mp_obj_t o = mp_obj_new_tuple(self->n_iters, NULL);
mp_obj_tuple_get(o, NULL, &items);
for (int i = 0; i < self->n_iters; i++) {
mp_obj_t next = rt_iternext(self->iters[i]);
if (next == mp_const_stop_iteration) {
mp_obj_tuple_del(o);
return mp_const_stop_iteration;
}
items[i] = next;
}
return o;
}

1
py/py.mk
View File

@ -97,6 +97,7 @@ PY_O_BASENAME = \
vm.o \
showbc.o \
repl.o \
objzip.o \
# prepend the build destination prefix to the py object files

2
py/runtime.c
View File

@ -113,6 +113,7 @@ void rt_init(void) {
mp_map_add_qstr(&map_builtins, MP_QSTR_set, (mp_obj_t)&set_type);
mp_map_add_qstr(&map_builtins, MP_QSTR_tuple, (mp_obj_t)&tuple_type);
mp_map_add_qstr(&map_builtins, MP_QSTR_type, (mp_obj_t)&mp_const_type);
mp_map_add_qstr(&map_builtins, MP_QSTR_zip, (mp_obj_t)&zip_type);
// built-in user functions
mp_map_add_qstr(&map_builtins, MP_QSTR_abs, (mp_obj_t)&mp_builtin_abs_obj);
@ -133,6 +134,7 @@ void rt_init(void) {
mp_map_add_qstr(&map_builtins, MP_QSTR_pow, (mp_obj_t)&mp_builtin_pow_obj);
mp_map_add_qstr(&map_builtins, MP_QSTR_print, (mp_obj_t)&mp_builtin_print_obj);
mp_map_add_qstr(&map_builtins, MP_QSTR_range, (mp_obj_t)&mp_builtin_range_obj);
mp_map_add_qstr(&map_builtins, MP_QSTR_sorted, (mp_obj_t)&mp_builtin_sorted_obj);
mp_map_add_qstr(&map_builtins, MP_QSTR_sum, (mp_obj_t)&mp_builtin_sum_obj);
next_unique_code_id = 1; // 0 indicates "no code"

15
py/vm.c
View File

@ -440,10 +440,17 @@ bool mp_execute_byte_code_2(const byte **ip_in_out, mp_obj_t *fastn, mp_obj_t **
case MP_BC_CALL_FUNCTION:
DECODE_UINT;
assert((unum & 0xff00) == 0); // n_keyword
unum &= 0xff; // n_positional
sp += unum;
*sp = rt_call_function_n(*sp, unum, sp - unum);
if ((unum & 0xff00) == 0) {
// no keywords
unum &= 0xff; // n_positional
sp += unum;
*sp = rt_call_function_n(*sp, unum, sp - unum);
} else {
// keywords
int argsize = (unum & 0xff) + ((unum >> 7) & 0x1fe);
sp += argsize;
*sp = rt_call_function_n_kw(*sp, unum & 0xff, (unum >> 8) & 0xff, sp - argsize);
}
break;
case MP_BC_CALL_METHOD:

2
tests/basics/tests/sorted.py Normal file
View File

@ -0,0 +1,2 @@
print(sorted(set(range(100))))
print(sorted(set(range(100)), key=lambda x: x + 100*(x % 2)))

2
tests/basics/tests/zip.py Normal file
View File

@ -0,0 +1,2 @@
print(list(zip()))
print(list(zip([1], {2,3})))