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Code Issues 1 Releases Wiki Activity

added bitwise operators and guard for division by zero

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This commit is contained in:
J.-F. Cap
2019-03-14 11:23:58 +01:00
committed by Calvin Rose
parent c6a4485623
commit 15c6300608
1 changed files with 43 additions and 5 deletions
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48
src/core/bigint.c
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@@ -197,6 +197,20 @@ static Janet cfun_##type##_##name(int32_t argc, Janet *argv) { \
return janet_wrap_abstract(box); \
}
#define DIVMETHOD(type,name,oper) \
static Janet cfun_##type##_##name(int32_t argc, Janet *argv) { \
janet_arity(argc, 2, -1); \
bi_##type *box = (bi_##type *)janet_abstract(&bi_##type##_type, sizeof(bi_##type)); \
*box = check_bi_##type(argv[0]); \
for (int i=1;i<argc;i++) { \
bi_##type value = check_bi_##type(argv[i]); \
if (value == 0) janet_panic("division by zero"); \
*box oper##= check_bi_##type(argv[i]); \
} \
return janet_wrap_abstract(box); \
}
#define COMPMETHOD(type,name,oper) \
static Janet cfun_##type##_##name(int32_t argc, Janet *argv) { \
janet_fixarity(argc, 2); \
@@ -210,8 +224,13 @@ static Janet cfun_##type##_##name(int32_t argc, Janet *argv) { \
OPMETHOD(int64, add, +)
OPMETHOD(int64, sub, -)
OPMETHOD(int64, mul, *)
OPMETHOD(int64, div, /)
DIVMETHOD(int64, div, /)
DIVMETHOD(int64, mod, %)
OPMETHOD(int64, and, &)
OPMETHOD(int64, or, |)
OPMETHOD(int64, xor, ^)
OPMETHOD(int64, lshift, <<)
OPMETHOD(int64, rshift, >>)
COMPMETHOD(int64, lt, <)
COMPMETHOD(int64, gt, >)
COMPMETHOD(int64, le, <=)
@@ -222,8 +241,13 @@ COMPMETHOD(int64, ne, !=)
OPMETHOD(uint64, add, +)
OPMETHOD(uint64, sub, -)
OPMETHOD(uint64, mul, *)
OPMETHOD(uint64, div, /)
DIVMETHOD(uint64, div, /)
DIVMETHOD(uint64, mod, %)
OPMETHOD(uint64, and, &)
OPMETHOD(uint64, or, |)
OPMETHOD(uint64, xor, ^)
OPMETHOD(uint64, lshift, <<)
OPMETHOD(uint64, rshift, >>)
COMPMETHOD(uint64, lt, <)
COMPMETHOD(uint64, gt, >)
COMPMETHOD(uint64, le, <=)
@@ -231,19 +255,27 @@ COMPMETHOD(uint64, ge, >=)
COMPMETHOD(uint64, eq, ==)
COMPMETHOD(uint64, ne, !=)
#undef OPMETHOD
#undef DIVMETHOD
#undef COMPMETHOD
static JanetMethod int64_methods[] = {
{"+", cfun_int64_add},
{"-", cfun_int64_sub},
{"*", cfun_int64_mul},
{"/", cfun_int64_div},
{"%", cfun_int64_mod},
{"<", cfun_int64_lt},
{">", cfun_int64_gt},
{"<=", cfun_int64_le},
{">=", cfun_int64_ge},
{"==", cfun_int64_eq},
{"!=", cfun_int64_ne},
{"&", cfun_int64_and},
{"|", cfun_int64_or},
{"^", cfun_int64_xor},
{"<<", cfun_int64_lshift},
{">>", cfun_int64_rshift},
{NULL, NULL}
};
@@ -252,12 +284,18 @@ static JanetMethod uint64_methods[] = {
{"-", cfun_uint64_sub},
{"*", cfun_uint64_mul},
{"/", cfun_uint64_div},
{"%", cfun_uint64_mod},
{"<", cfun_uint64_lt},
{">", cfun_uint64_gt},
{"<=", cfun_uint64_le},
{">=", cfun_uint64_ge},
{"==", cfun_uint64_eq},
{"!=", cfun_uint64_ne},
{"&", cfun_uint64_and},
{"|", cfun_uint64_or},
{"^", cfun_uint64_xor},
{"<<", cfun_uint64_lshift},
{">>", cfun_uint64_rshift},
{NULL, NULL}
};