mirrors
/
micropython
mirror of https://github.com/micropython/micropython.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Implemented int(str) in UNIX

This commit is contained in:
xyb 2014-01-14 21:39:05 +08:00
parent 729e9cce7b
commit c178ea471e
9 changed files with 248 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
py/obj.c
View File

@ -13,6 +13,7 @@
#include "runtime0.h"
#include "runtime.h"
#include "map.h"
#include "strtonum.h"
mp_obj_t mp_obj_get_type(mp_obj_t o_in) {
if (MP_OBJ_IS_SMALL_INT(o_in)) {
@ -136,6 +137,12 @@ bool mp_obj_less(mp_obj_t o1, mp_obj_t o2) {
}
machine_int_t mp_obj_get_int(mp_obj_t arg) {
return mp_obj_get_int_base(arg, 0);
}
machine_int_t mp_obj_get_int_base(mp_obj_t arg, mp_obj_t base_arg) {
const char *value;
int base;
if (arg == mp_const_false) {
return 0;
} else if (arg == mp_const_true) {
@ -147,6 +154,17 @@ machine_int_t mp_obj_get_int(mp_obj_t arg) {
// TODO work out if this should be floor, ceil or trunc
return (machine_int_t)mp_obj_float_get(arg);
#endif
} else if (MP_OBJ_IS_TYPE(arg, &str_type)) {
if (base_arg == 0) {
value = qstr_str(mp_obj_str_get(arg));
return (machine_int_t)strtonum(value, 0);
} else if (MP_OBJ_IS_TYPE(base_arg, &int_type)) {
base = MP_OBJ_SMALL_INT_VALUE(base_arg);
value = qstr_str(mp_obj_str_get(arg));
return (machine_int_t)strtonum(value, base);
} else {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_TypeError, "an integer is required"));
}
} else {
nlr_jump(mp_obj_new_exception_msg_varg(MP_QSTR_TypeError, "can't convert %s to int", mp_obj_get_type_str(arg)));
}

1
py/obj.h
View File

@ -235,6 +235,7 @@ bool mp_obj_equal(mp_obj_t o1, mp_obj_t o2);
bool mp_obj_less(mp_obj_t o1, mp_obj_t o2);
machine_int_t mp_obj_get_int(mp_obj_t arg);
machine_int_t mp_obj_get_int_base(mp_obj_t arg, mp_obj_t base_arg);
#if MICROPY_ENABLE_FLOAT
mp_float_t mp_obj_get_float(mp_obj_t self_in);
void mp_obj_get_complex(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);

5
py/objint.c
View File

@ -22,8 +22,9 @@ static mp_obj_t int_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args)
// TODO allow string as arg and parse it
return MP_OBJ_NEW_SMALL_INT(mp_obj_get_int(args[0]));
//case 2:
// TODO, parse with given base
case 2:
// TODO make args[0] and args[1] correct
return MP_OBJ_NEW_SMALL_INT(mp_obj_get_int_base(args[0], args[1]));
default:
nlr_jump(mp_obj_new_exception_msg_1_arg(MP_QSTR_TypeError, "int takes at most 2 arguments, %d given", (void*)(machine_int_t)n_args));

1
py/py.mk
View File

@ -70,6 +70,7 @@ PY_O_BASENAME = \
emitinlinethumb.o \
runtime.o \
map.o \
strtonum.o \
obj.o \
objbool.o \
objboundmeth.o \

168
py/strtonum.c Normal file
View File

@ -0,0 +1,168 @@
#if defined(UNIX)
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "misc.h"
#include "mpconfig.h"
#include "mpqstr.h"
#include "nlr.h"
#include "obj.h"
long strtonum(const char *restrict s, int base) {
int c, neg = 0;
const char *p = s;
char *num;
long found;
// check radix base
if ((base != 0 && base < 2) || base > 36) {
printf("ValueError: int() arg 2 must be >=2 and <= 36\n");
return 0;
}
// skip surrounded whitespace
while (isspace((c = *(p++))));
if (c == 0) {
goto value_error;
}
// preced sign
if (c == '+' || c == '-') {
neg = - (c == '-');
c = *(p++);
}
// find real radix base, and strip preced '0x', '0o' and '0b'
if ((base == 0 || base == 16) && c == '0') {
c = *(p++);
if ((c | 32) == 'x') {
base = 16;
} else if (base == 0 && (c | 32) == 'o') {
base = 8;
} else if (base == 0 && (c | 32) == 'b') {
base = 2;
} else {
base = 10;
p -= 2;
}
} else if (base == 8 && c == '0') {
if ((c | 32) == 'o') {
base = 8;
} else {
goto value_error;
}
} else if (base == 2 && c == '0') {
if ((c | 32) == 'b') {
base = 2;
} else {
goto value_error;
}
} else {
if (base == 0) base = 10;
p--;
}
found = strtol(p, &num, base);
if (errno) {
goto value_error;
} else if (found && *(num) == 0) {
goto done;
} else if (found || num != p) {
goto check_tail_space;
} else {
goto value_error;
}
check_tail_space:
if (*(num) != 0) {
while (isspace((c = *(num++))));
if (c != 0) {
goto value_error;
}
}
done:
return (found ^ neg) - neg;
value_error:
nlr_jump(mp_obj_new_exception_msg_2_args(MP_QSTR_ValueError, "invalid literal for int() with base %d: '%s'", (void*)(machine_uint_t)base, s));
//printf("invalid literal for int() with base %d: '%s'\n", base, s);
//return 0;
}
/*
int main(void) {
printf(" 0 %ld\n", strtonum("0", 0));
printf(" 1 %ld\n", strtonum("1", 0));
printf(" 1 %ld\n", strtonum("+1", 0));
printf(" -1 %ld\n", strtonum("-1", 0));
printf(" 0 %ld\n", strtonum("+0", 0));
printf(" 0 %ld\n", strtonum("-0", 0));
printf(" 1 %ld\n", strtonum("01", 0));
printf(" 9 %ld\n", strtonum("9", 0));
printf(" 10 %ld\n", strtonum("10", 0));
printf(" 10 %ld\n", strtonum("+10", 0));
printf("-10 %ld\n", strtonum("-10", 0));
printf(" 12 %ld\n", strtonum("12", 0));
printf("-12 %ld\n", strtonum("-12", 0));
printf(" 99 %ld\n", strtonum("99", 0));
printf("100 %ld\n", strtonum("100", 0));
printf("314 %ld\n", strtonum("314", 0));
printf("314 %ld\n", strtonum(" 314", 0));
printf("314 %ld\n", strtonum("314 ", 0));
printf("314 %ld\n", strtonum(" \t\t 314 \t\t ", 0));
printf(" 1 %ld\n", strtonum(" 1 ", 0));
printf(" -3 %ld\n", strtonum(" -3 ", 0));
printf(" 83 %ld\n", strtonum("0o123", 0));
printf(" 18 %ld\n", strtonum("0x12", 0));
printf(" 10 %ld\n", strtonum("0o12", 0));
printf(" 10 %ld\n", strtonum("0o12", 0));
printf(" 10 %ld\n", strtonum(" \t 0o12", 0));
printf(" 10 %ld\n", strtonum("0o12 \t ", 0));
printf(" 10 %ld\n", strtonum("0O12", 0));
printf(" 5 %ld\n", strtonum("0b101", 0));
printf(" 5 %ld\n", strtonum("0b101", 0));
printf(" 0 %ld\n", strtonum("0", 10));
printf(" 1 %ld\n", strtonum("1", 10));
printf(" 1 %ld\n", strtonum(" \t 1 \t ", 10));
printf(" 11 %ld\n", strtonum("11", 10));
printf(" 17 %ld\n", strtonum("11", 16));
printf(" 9 %ld\n", strtonum("11", 8));
printf(" 3 %ld\n", strtonum("11", 2));
printf(" 37 %ld\n", strtonum("11", 36));
printf("4294967296 %ld\n", strtonum("4294967296", 0));
printf("%ld\n", strtonum("x", 0));
printf("%ld\n", strtonum("1x", 0));
printf("%ld\n", strtonum(" 1x", 0));
printf("%ld\n", strtonum(" 1\02 ", 0));
printf("%ld\n", strtonum("", 0));
printf("%ld\n", strtonum(" ", 0));
printf("%ld\n", strtonum(" \t\t ", 0));
printf("%ld\n", strtonum("0x", 0));
printf("%ld\n", strtonum("0x", 16));
printf("%ld\n", strtonum("0o", 0));
printf("%ld\n", strtonum("0o", 8));
printf("%ld\n", strtonum("0b", 0));
printf("%ld\n", strtonum("0b", 2));
printf("%ld\n", strtonum("0b2", 2));
printf("%ld\n", strtonum("0o8", 8));
printf("%ld\n", strtonum("0xg", 16));
printf("%ld\n", strtonum("1 1", 0));
printf("%ld\n", strtonum("18446744073709551616", 0));
}
*/
#else /* defined(UNIX) */
long strtonum(const char *restrict s, int base) {
// TODO port strtol to stm
return 0;
}
#endif /* defined(UNIX) */

1
py/strtonum.h Normal file
View File

@ -0,0 +1 @@
long strtonum(const char *restrict s, int base);

54
tests/basics/tests/int1.py Normal file
View File

@ -0,0 +1,54 @@
print(int(0))
print(int(1))
print(int(+1))
print(int(-1))
print(int('0'))
print(int('+0'))
print(int('-0'))
print(int('1'))
print(int('+1'))
print(int('-1'))
print(int('9'))
print(int('10'))
print(int('+10'))
print(int('-10'))
print(int('99'))
print(int('100'))
print(int('314'))
print(int(' 314'))
print(int('314 '))
print(int(' \t\t 314 \t\t '))
print(int(' 1 '))
print(int(' -3 '))
print(int('10', 16))
print(int('0o123', 0))
print(int('0x123', 16))
print(int('0X123', 16))
print(int('0O123', 8))
print(int('0B100', 2))
def test(value, base):
try:
print(int(value, base))
except ValueError:
print('ValueError')
test(' 1x', 0)
test(' 1\02 ', 0)
test('', 0)
test(' ', 0)
test(' \t\t ', 0)
test("\u0200", 0)
test('0x', 16)
test('0x', 0)
test('0o', 8)
test('0o', 0)
test('0b', 2)
test('0b', 0)
test('0b2', 2)
test('0o8', 8)
test('0xg', 16)

2
unix-cpy/Makefile
View File

@ -11,7 +11,7 @@ ECHO = @echo
# compiler settings
CC = gcc
CFLAGS = -I. -I$(PY_SRC) -Wall -Werror -ansi -std=gnu99 -Os #-DNDEBUG
CFLAGS = -I. -I$(PY_SRC) -Wall -Werror -ansi -std=gnu99 -Os -DUNIX #-DNDEBUG
LDFLAGS = -lm
# source files

2
unix/Makefile
View File

@ -11,7 +11,7 @@ ECHO = @echo
# compiler settings
CC = gcc
CFLAGS = -I. -I$(PY_SRC) -Wall -Werror -ansi -std=gnu99 -Os #-DNDEBUG
CFLAGS = -I. -I$(PY_SRC) -Wall -Werror -ansi -std=gnu99 -Os -DUNIX #-DNDEBUG
LDFLAGS = -lm
# source files