355 lines
11 KiB
C
355 lines
11 KiB
C
#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <assert.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "mpqstr.h"
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#include "obj.h"
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#include "runtime0.h"
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#include "runtime.h"
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#include "map.h"
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#include "builtin.h"
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// args[0] is function from class body
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// args[1] is class name
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// args[2:] are base objects
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static mp_obj_t mp_builtin___build_class__(int n_args, const mp_obj_t *args) {
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assert(2 <= n_args);
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// we differ from CPython: we set the new __locals__ object here
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mp_map_t *old_locals = rt_locals_get();
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mp_obj_t class_locals = mp_obj_new_dict(0);
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rt_locals_set(mp_obj_dict_get_map(class_locals));
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// call the class code
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mp_obj_t cell = rt_call_function_1(args[0], (mp_obj_t)0xdeadbeef);
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// restore old __locals__ object
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rt_locals_set(old_locals);
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// get the class type (meta object) from the base objects
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mp_obj_t meta;
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if (n_args == 2) {
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// no explicit bases, so use 'type'
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meta = (mp_obj_t)&mp_const_type;
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} else {
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// use type of first base object
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meta = mp_obj_get_type(args[2]);
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}
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// TODO do proper metaclass resolution for multiple base objects
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// create the new class using a call to the meta object
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// (arguments must be backwards in the array)
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mp_obj_t meta_args[3];
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meta_args[2] = args[1]; // class name
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meta_args[1] = mp_obj_new_tuple(n_args - 2, args + 2); // tuple of bases
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meta_args[0] = class_locals; // dict of members
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mp_obj_t new_class = rt_call_function_n(meta, 3, meta_args);
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// store into cell if neede
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if (cell != mp_const_none) {
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mp_obj_cell_set(cell, new_class);
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}
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return new_class;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin___build_class___obj, 2, mp_builtin___build_class__);
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static mp_obj_t mp_builtin___repl_print__(mp_obj_t o) {
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if (o != mp_const_none) {
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mp_obj_print(o);
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printf("\n");
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin___repl_print___obj, mp_builtin___repl_print__);
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mp_obj_t mp_builtin_abs(mp_obj_t o_in) {
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if (MP_OBJ_IS_SMALL_INT(o_in)) {
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mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o_in);
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if (val < 0) {
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val = -val;
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}
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return MP_OBJ_NEW_SMALL_INT(val);
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#if MICROPY_ENABLE_FLOAT
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} else if (MP_OBJ_IS_TYPE(o_in, &float_type)) {
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mp_float_t value = mp_obj_float_get(o_in);
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// TODO check for NaN etc
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if (value < 0) {
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return mp_obj_new_float(-value);
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} else {
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return o_in;
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}
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} else if (MP_OBJ_IS_TYPE(o_in, &complex_type)) {
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mp_float_t real, imag;
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mp_obj_complex_get(o_in, &real, &imag);
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return mp_obj_new_float(machine_sqrt(real*real + imag*imag));
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#endif
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} else {
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assert(0);
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return mp_const_none;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_abs_obj, mp_builtin_abs);
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static mp_obj_t mp_builtin_all(mp_obj_t o_in) {
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mp_obj_t iterable = rt_getiter(o_in);
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mp_obj_t item;
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while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
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if (!rt_is_true(item)) {
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return mp_const_false;
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}
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}
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return mp_const_true;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_all_obj, mp_builtin_all);
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static mp_obj_t mp_builtin_any(mp_obj_t o_in) {
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mp_obj_t iterable = rt_getiter(o_in);
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mp_obj_t item;
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while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
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if (rt_is_true(item)) {
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return mp_const_true;
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}
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}
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return mp_const_false;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_any_obj, mp_builtin_any);
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static mp_obj_t mp_builtin_callable(mp_obj_t o_in) {
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if (mp_obj_is_callable(o_in)) {
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return mp_const_true;
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} else {
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return mp_const_false;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_callable_obj, mp_builtin_callable);
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static mp_obj_t mp_builtin_chr(mp_obj_t o_in) {
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int ord = mp_obj_get_int(o_in);
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if (0 <= ord && ord <= 0x10ffff) {
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char str[2] = {ord, '\0'};
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return mp_obj_new_str(qstr_from_strn_copy(str, 1));
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} else {
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nlr_jump(mp_obj_new_exception_msg(MP_QSTR_ValueError, "chr() arg not in range(0x110000)"));
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_chr_obj, mp_builtin_chr);
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static mp_obj_t mp_builtin_divmod(mp_obj_t o1_in, mp_obj_t o2_in) {
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if (MP_OBJ_IS_SMALL_INT(o1_in) && MP_OBJ_IS_SMALL_INT(o2_in)) {
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mp_small_int_t i1 = MP_OBJ_SMALL_INT_VALUE(o1_in);
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mp_small_int_t i2 = MP_OBJ_SMALL_INT_VALUE(o2_in);
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mp_obj_t revs_args[2];
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revs_args[1] = MP_OBJ_NEW_SMALL_INT(i1 / i2);
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revs_args[0] = MP_OBJ_NEW_SMALL_INT(i1 % i2);
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return rt_build_tuple(2, revs_args);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "unsupported operand type(s) for divmod(): '%s' and '%s'", mp_obj_get_type_str(o1_in), mp_obj_get_type_str(o2_in)));
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_2(mp_builtin_divmod_obj, mp_builtin_divmod);
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static mp_obj_t mp_builtin_hash(mp_obj_t o_in) {
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// TODO hash will generally overflow small integer; can we safely truncate it?
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return mp_obj_new_int(mp_obj_hash(o_in));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_hash_obj, mp_builtin_hash);
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static mp_obj_t mp_builtin_iter(mp_obj_t o_in) {
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return rt_getiter(o_in);
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_iter_obj, mp_builtin_iter);
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static mp_obj_t mp_builtin_len(mp_obj_t o_in) {
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mp_obj_t len = mp_obj_len_maybe(o_in);
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if (len == NULL) {
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nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "object of type '%s' has no len()", mp_obj_get_type_str(o_in)));
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} else {
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return len;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_len_obj, mp_builtin_len);
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static mp_obj_t mp_builtin_max(int n_args, const mp_obj_t *args) {
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if (n_args == 1) {
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// given an iterable
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mp_obj_t iterable = rt_getiter(args[0]);
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mp_obj_t max_obj = NULL;
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mp_obj_t item;
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while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
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if (max_obj == NULL || mp_obj_less(max_obj, item)) {
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max_obj = item;
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}
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}
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if (max_obj == NULL) {
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nlr_jump(mp_obj_new_exception_msg(MP_QSTR_ValueError, "max() arg is an empty sequence"));
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}
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return max_obj;
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} else {
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// given many args
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mp_obj_t max_obj = args[0];
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for (int i = 1; i < n_args; i++) {
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if (mp_obj_less(max_obj, args[i])) {
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max_obj = args[i];
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}
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}
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return max_obj;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin_max_obj, 1, mp_builtin_max);
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static mp_obj_t mp_builtin_min(int n_args, const mp_obj_t *args) {
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if (n_args == 1) {
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// given an iterable
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mp_obj_t iterable = rt_getiter(args[0]);
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mp_obj_t min_obj = NULL;
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mp_obj_t item;
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while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
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if (min_obj == NULL || mp_obj_less(item, min_obj)) {
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min_obj = item;
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}
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}
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if (min_obj == NULL) {
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nlr_jump(mp_obj_new_exception_msg(MP_QSTR_ValueError, "min() arg is an empty sequence"));
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}
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return min_obj;
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} else {
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// given many args
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mp_obj_t min_obj = args[0];
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for (int i = 1; i < n_args; i++) {
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if (mp_obj_less(args[i], min_obj)) {
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min_obj = args[i];
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}
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}
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return min_obj;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin_min_obj, 1, mp_builtin_min);
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static mp_obj_t mp_builtin_next(mp_obj_t o) {
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mp_obj_t ret = rt_iternext(o);
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if (ret == mp_const_stop_iteration) {
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nlr_jump(mp_obj_new_exception(MP_QSTR_StopIteration));
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} else {
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return ret;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_next_obj, mp_builtin_next);
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static mp_obj_t mp_builtin_ord(mp_obj_t o_in) {
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const char *str = qstr_str(mp_obj_get_qstr(o_in));
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if (strlen(str) == 1) {
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return mp_obj_new_int(str[0]);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "ord() expected a character, but string of length %d found", strlen(str)));
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_ord_obj, mp_builtin_ord);
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static mp_obj_t mp_builtin_pow(int n_args, const mp_obj_t *args) {
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assert(2 <= n_args && n_args <= 3);
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switch (n_args) {
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case 2: return rt_binary_op(RT_BINARY_OP_POWER, args[0], args[1]);
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default: return rt_binary_op(RT_BINARY_OP_MODULO, rt_binary_op(RT_BINARY_OP_POWER, args[0], args[1]), args[2]); // TODO optimise...
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_pow_obj, 2, 3, mp_builtin_pow);
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static mp_obj_t mp_builtin_print(int n_args, const mp_obj_t *args) {
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for (int i = 0; i < n_args; i++) {
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if (i > 0) {
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printf(" ");
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}
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if (MP_OBJ_IS_TYPE(args[i], &str_type)) {
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// special case, print string raw
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printf("%s", qstr_str(mp_obj_str_get(args[i])));
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} else {
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// print the object Python style
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mp_obj_print(args[i]);
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}
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}
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printf("\n");
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR(mp_builtin_print_obj, 0, mp_builtin_print);
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static mp_obj_t mp_builtin_range(int n_args, const mp_obj_t *args) {
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assert(1 <= n_args && n_args <= 3);
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switch (n_args) {
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case 1: return mp_obj_new_range(0, mp_obj_get_int(args[0]), 1);
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case 2: return mp_obj_new_range(mp_obj_get_int(args[0]), mp_obj_get_int(args[1]), 1);
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default: return mp_obj_new_range(mp_obj_get_int(args[0]), mp_obj_get_int(args[1]), mp_obj_get_int(args[2]));
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_range_obj, 1, 3, mp_builtin_range);
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static mp_obj_t mp_builtin_repr(mp_obj_t o_in) {
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vstr_t *vstr = vstr_new();
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mp_obj_print_helper((void (*)(void *env, const char *fmt, ...))vstr_printf, vstr, o_in);
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return mp_obj_new_str(qstr_from_str_take(vstr->buf, vstr->alloc));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_builtin_repr_obj, mp_builtin_repr);
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static mp_obj_t mp_builtin_sum(int n_args, const mp_obj_t *args) {
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assert(1 <= n_args && n_args <= 2);
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mp_obj_t value;
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switch (n_args) {
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case 1: value = mp_obj_new_int(0); break;
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default: value = args[1]; break;
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}
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mp_obj_t iterable = rt_getiter(args[0]);
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mp_obj_t item;
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while ((item = rt_iternext(iterable)) != mp_const_stop_iteration) {
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value = rt_binary_op(RT_BINARY_OP_ADD, value, item);
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}
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return value;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_sum_obj, 1, 2, mp_builtin_sum);
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static mp_obj_t mp_builtin_sorted(mp_obj_t args, mp_map_t *kwargs) {
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mp_obj_t *args_items = NULL;
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uint args_len = 0;
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assert(MP_OBJ_IS_TYPE(args, &tuple_type));
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mp_obj_tuple_get(args, &args_len, &args_items);
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assert(args_len >= 1);
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if (args_len > 1) {
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nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError,
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"must use keyword argument for key function"));
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}
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mp_obj_t self = list_type.make_new((mp_obj_t)&list_type, 1, args_items);
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mp_obj_t new_args = rt_build_tuple(1, &self);
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mp_obj_list_sort(new_args, kwargs);
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return self;
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}
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MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_sorted_obj, 1, mp_builtin_sorted);
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