diff options
Diffstat (limited to 'py/showbc.c')
| -rw-r--r-- | py/showbc.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/py/showbc.c b/py/showbc.c index 8430739d8..178fa451a 100644 --- a/py/showbc.c +++ b/py/showbc.c @@ -38,8 +38,28 @@ unum = (unum << 7) + (*ip & 0x7f); \ } while ((*ip++ & 0x80) != 0); \ } -#define DECODE_ULABEL do { unum = (ip[0] | (ip[1] << 8)); ip += 2; } while (0) -#define DECODE_SLABEL do { unum = (ip[0] | (ip[1] << 8)) - 0x8000; ip += 2; } while (0) + +#define DECODE_ULABEL \ + do { \ + if (ip[0] & 0x80) { \ + unum = ((ip[0] & 0x7f) | (ip[1] << 7)); \ + ip += 2; \ + } else { \ + unum = ip[0]; \ + ip += 1; \ + } \ + } while (0) + +#define DECODE_SLABEL \ + do { \ + if (ip[0] & 0x80) { \ + unum = ((ip[0] & 0x7f) | (ip[1] << 7)) - 0x4000; \ + ip += 2; \ + } else { \ + unum = ip[0] - 0x40; \ + ip += 1; \ + } \ + } while (0) #if MICROPY_EMIT_BYTECODE_USES_QSTR_TABLE |