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Bytecode int varlen encoding: support arbitrary values for signed ints too.

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This commit is contained in:
Paul Sokolovsky
2014-02-19 15:47:59 +02:00
parent 0f96ec8268
commit 047cd40313
3 changed files with 46 additions and 16 deletions
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15
py/showbc.c
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@@ -57,11 +57,18 @@ void mp_byte_code_print(const byte *ip, int len) {
printf("LOAD_CONST_ELLIPSIS");
break;
case MP_BC_LOAD_CONST_SMALL_INT:
unum = (ip[0] | (ip[1] << 8) | (ip[2] << 16)) - 0x800000;
ip += 3;
printf("LOAD_CONST_SMALL_INT %d", (int)unum);
case MP_BC_LOAD_CONST_SMALL_INT: {
int num = 0;
if ((ip[0] & 0x40) != 0) {
// Number is negative
num--;
}
do {
num = (num << 7) | (*ip & 0x7f);
} while ((*ip++ & 0x80) != 0);
printf("LOAD_CONST_SMALL_INT %d", num);
break;
}
case MP_BC_LOAD_CONST_INT:
DECODE_QSTR;