mirror of
https://github.com/licsber/micropython.git
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df6567e634
Pretty much everyone needs to include map.h, since it's such an integral part of the Micro Python object implementation. Thus, the definitions are now in obj.h instead. map.h is removed.
319 lines
10 KiB
C
319 lines
10 KiB
C
#include <stdio.h>
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#include <stdarg.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 "qstr.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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mp_obj_type_t *mp_obj_get_type(mp_obj_t o_in) {
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if (MP_OBJ_IS_SMALL_INT(o_in)) {
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return (mp_obj_t)&mp_type_int;
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} else if (MP_OBJ_IS_QSTR(o_in)) {
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return (mp_obj_t)&mp_type_str;
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} else {
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mp_obj_base_t *o = o_in;
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return (mp_obj_t)o->type;
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}
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}
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const char *mp_obj_get_type_str(mp_obj_t o_in) {
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return qstr_str(mp_obj_get_type(o_in)->name);
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}
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void printf_wrapper(void *env, const char *fmt, ...) {
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va_list args;
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va_start(args, fmt);
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vprintf(fmt, args);
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va_end(args);
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}
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void mp_obj_print_helper(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
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mp_obj_type_t *type = mp_obj_get_type(o_in);
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if (type->print != NULL) {
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type->print(print, env, o_in, kind);
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} else {
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print(env, "<%s>", qstr_str(type->name));
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}
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}
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void mp_obj_print(mp_obj_t o_in, mp_print_kind_t kind) {
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mp_obj_print_helper(printf_wrapper, NULL, o_in, kind);
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}
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// helper function to print an exception with traceback
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void mp_obj_print_exception(mp_obj_t exc) {
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if (mp_obj_is_exception_instance(exc)) {
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machine_uint_t n, *values;
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mp_obj_exception_get_traceback(exc, &n, &values);
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if (n > 0) {
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assert(n % 3 == 0);
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printf("Traceback (most recent call last):\n");
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for (int i = n - 3; i >= 0; i -= 3) {
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#if MICROPY_ENABLE_SOURCE_LINE
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printf(" File \"%s\", line %d, in %s\n", qstr_str(values[i]), (int)values[i + 1], qstr_str(values[i + 2]));
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#else
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printf(" File \"%s\", in %s\n", qstr_str(values[i]), qstr_str(values[i + 2]));
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#endif
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}
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}
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}
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mp_obj_print(exc, PRINT_REPR);
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printf("\n");
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}
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int mp_obj_is_true(mp_obj_t arg) {
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if (arg == mp_const_false) {
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return 0;
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} else if (arg == mp_const_true) {
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return 1;
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} else if (arg == mp_const_none) {
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return 0;
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} else if (MP_OBJ_IS_SMALL_INT(arg)) {
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if (MP_OBJ_SMALL_INT_VALUE(arg) == 0) {
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return 0;
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} else {
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return 1;
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}
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} else {
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mp_obj_type_t *type = mp_obj_get_type(arg);
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if (type->unary_op != NULL) {
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mp_obj_t result = type->unary_op(MP_UNARY_OP_BOOL, arg);
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if (result != MP_OBJ_NULL) {
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return result == mp_const_true;
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}
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}
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mp_obj_t len = mp_obj_len_maybe(arg);
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if (len != MP_OBJ_NULL) {
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// obj has a length, truth determined if len != 0
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return len != MP_OBJ_NEW_SMALL_INT(0);
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} else {
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// any other obj is true per Python semantics
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return 1;
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}
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}
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}
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bool mp_obj_is_callable(mp_obj_t o_in) {
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return mp_obj_get_type(o_in)->call != NULL;
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}
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machine_int_t mp_obj_hash(mp_obj_t o_in) {
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if (o_in == mp_const_false) {
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return 0; // needs to hash to same as the integer 0, since False==0
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} else if (o_in == mp_const_true) {
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return 1; // needs to hash to same as the integer 1, since True==1
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} else if (MP_OBJ_IS_SMALL_INT(o_in)) {
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return MP_OBJ_SMALL_INT_VALUE(o_in);
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} else if (MP_OBJ_IS_STR(o_in)) {
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return mp_obj_str_get_hash(o_in);
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} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_NoneType)) {
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return (machine_int_t)o_in;
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} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_fun_native) || MP_OBJ_IS_TYPE(o_in, &mp_type_fun_bc)) {
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return (machine_int_t)o_in;
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} else if (MP_OBJ_IS_TYPE(o_in, &mp_type_tuple)) {
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return mp_obj_tuple_hash(o_in);
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// TODO hash class and instances
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// TODO delegate to __hash__ method if it exists
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "unhashable type: '%s'", mp_obj_get_type_str(o_in)));
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}
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}
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// this function implements the '==' operator (and so the inverse of '!=')
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// from the python language reference:
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// "The objects need not have the same type. If both are numbers, they are converted
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// to a common type. Otherwise, the == and != operators always consider objects of
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// different types to be unequal."
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// note also that False==0 and True==1 are true expressions
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bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2) {
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if (o1 == o2) {
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return true;
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} else if (MP_OBJ_IS_SMALL_INT(o1) || MP_OBJ_IS_SMALL_INT(o2)) {
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if (MP_OBJ_IS_SMALL_INT(o1) && MP_OBJ_IS_SMALL_INT(o2)) {
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return false;
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} else {
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if (MP_OBJ_IS_SMALL_INT(o2)) {
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mp_obj_t temp = o1; o1 = o2; o2 = temp;
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}
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// o1 is the SMALL_INT, o2 is not
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mp_small_int_t val = MP_OBJ_SMALL_INT_VALUE(o1);
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if (o2 == mp_const_false) {
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return val == 0;
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} else if (o2 == mp_const_true) {
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return val == 1;
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} else if (MP_OBJ_IS_TYPE(o2, &mp_type_int)) {
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// If o2 is long int, dispatch to its virtual methods
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mp_obj_base_t *o = o2;
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if (o->type->binary_op != NULL) {
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mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o2, o1);
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return r == mp_const_true ? true : false;
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}
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}
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return false;
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}
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} else if (MP_OBJ_IS_STR(o1) && MP_OBJ_IS_STR(o2)) {
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return mp_obj_str_equal(o1, o2);
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} else {
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mp_obj_base_t *o = o1;
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if (o->type->binary_op != NULL) {
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mp_obj_t r = o->type->binary_op(MP_BINARY_OP_EQUAL, o1, o2);
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if (r != MP_OBJ_NULL) {
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return r == mp_const_true ? true : false;
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}
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}
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
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"Equality for '%s' and '%s' types not yet implemented", mp_obj_get_type_str(o1), mp_obj_get_type_str(o2)));
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return false;
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}
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}
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bool mp_obj_less(mp_obj_t o1, mp_obj_t o2) {
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if (MP_OBJ_IS_SMALL_INT(o1) && MP_OBJ_IS_SMALL_INT(o2)) {
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mp_small_int_t i1 = MP_OBJ_SMALL_INT_VALUE(o1);
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mp_small_int_t i2 = MP_OBJ_SMALL_INT_VALUE(o2);
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return i1 < i2;
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} else {
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assert(0);
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return false;
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}
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}
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machine_int_t mp_obj_get_int(mp_obj_t arg) {
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if (arg == mp_const_false) {
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return 0;
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} else if (arg == mp_const_true) {
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return 1;
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} else if (MP_OBJ_IS_SMALL_INT(arg)) {
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return MP_OBJ_SMALL_INT_VALUE(arg);
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
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return mp_obj_int_get_checked(arg);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "can't convert %s to int", mp_obj_get_type_str(arg)));
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}
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}
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#if MICROPY_ENABLE_FLOAT
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mp_float_t mp_obj_get_float(mp_obj_t arg) {
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if (arg == mp_const_false) {
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return 0;
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} else if (arg == mp_const_true) {
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return 1;
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} else if (MP_OBJ_IS_SMALL_INT(arg)) {
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return MP_OBJ_SMALL_INT_VALUE(arg);
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
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return mp_obj_int_as_float(arg);
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_float)) {
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return mp_obj_float_get(arg);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "can't convert %s to float", mp_obj_get_type_str(arg)));
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}
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}
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void mp_obj_get_complex(mp_obj_t arg, mp_float_t *real, mp_float_t *imag) {
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if (arg == mp_const_false) {
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*real = 0;
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*imag = 0;
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} else if (arg == mp_const_true) {
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*real = 1;
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*imag = 0;
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} else if (MP_OBJ_IS_SMALL_INT(arg)) {
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*real = MP_OBJ_SMALL_INT_VALUE(arg);
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*imag = 0;
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
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*real = mp_obj_int_as_float(arg);
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*imag = 0;
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_float)) {
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*real = mp_obj_float_get(arg);
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*imag = 0;
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} else if (MP_OBJ_IS_TYPE(arg, &mp_type_complex)) {
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mp_obj_complex_get(arg, real, imag);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "can't convert %s to complex", mp_obj_get_type_str(arg)));
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}
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}
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#endif
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void mp_obj_get_array(mp_obj_t o, uint *len, mp_obj_t **items) {
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if (MP_OBJ_IS_TYPE(o, &mp_type_tuple)) {
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mp_obj_tuple_get(o, len, items);
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} else if (MP_OBJ_IS_TYPE(o, &mp_type_list)) {
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mp_obj_list_get(o, len, items);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "object '%s' is not a tuple or list", mp_obj_get_type_str(o)));
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}
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}
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void mp_obj_get_array_fixed_n(mp_obj_t o, uint len, mp_obj_t **items) {
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if (MP_OBJ_IS_TYPE(o, &mp_type_tuple) || MP_OBJ_IS_TYPE(o, &mp_type_list)) {
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uint seq_len;
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if (MP_OBJ_IS_TYPE(o, &mp_type_tuple)) {
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mp_obj_tuple_get(o, &seq_len, items);
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} else {
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mp_obj_list_get(o, &seq_len, items);
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}
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if (seq_len != len) {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_IndexError, "requested length %d but object has length %d", len, seq_len));
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}
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "object '%s' is not a tuple or list", mp_obj_get_type_str(o)));
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}
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}
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// is_slice determines whether the index is a slice index
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uint mp_get_index(const mp_obj_type_t *type, machine_uint_t len, mp_obj_t index, bool is_slice) {
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int i;
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if (MP_OBJ_IS_SMALL_INT(index)) {
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i = MP_OBJ_SMALL_INT_VALUE(index);
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} else if (MP_OBJ_IS_TYPE(index, &mp_type_bool)) {
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i = (index == mp_const_true ? 1 : 0);
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} else {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "%s indices must be integers, not %s", qstr_str(type->name), mp_obj_get_type_str(index)));
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}
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if (i < 0) {
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i += len;
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}
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if (is_slice) {
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if (i < 0) {
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i = 0;
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} else if (i > len) {
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i = len;
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}
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} else {
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if (i < 0 || i >= len) {
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_IndexError, "%s index out of range", qstr_str(type->name)));
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}
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}
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return i;
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}
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// may return MP_OBJ_NULL
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mp_obj_t mp_obj_len_maybe(mp_obj_t o_in) {
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if (MP_OBJ_IS_STR(o_in)) {
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return MP_OBJ_NEW_SMALL_INT((machine_int_t)mp_obj_str_get_len(o_in));
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} else {
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mp_obj_type_t *type = mp_obj_get_type(o_in);
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if (type->unary_op != NULL) {
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return type->unary_op(MP_UNARY_OP_LEN, o_in);
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} else {
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return MP_OBJ_NULL;
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}
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}
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}
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// Return input argument. Useful as .getiter for objects which are
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// their own iterators, etc.
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mp_obj_t mp_identity(mp_obj_t self) {
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return self;
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}
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MP_DEFINE_CONST_FUN_OBJ_1(mp_identity_obj, mp_identity);
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