diff options
| -rw-r--r-- | py/compile.c | 4 | ||||
| -rw-r--r-- | py/objint_mpz.c | 14 | ||||
| -rw-r--r-- | py/runtime.c | 3 | ||||
| -rw-r--r-- | tests/basics/builtin_divmod.py | 5 | ||||
| -rw-r--r-- | tests/basics/int_big_error.py | 10 | ||||
| -rw-r--r-- | tests/basics/int_divzero.py | 5 | ||||
| -rw-r--r-- | tests/float/int_big_float.py | 5 |
7 files changed, 45 insertions, 1 deletions
diff --git a/py/compile.c b/py/compile.c index e00af60ad6..797d7a95e1 100644 --- a/py/compile.c +++ b/py/compile.c @@ -293,7 +293,9 @@ STATIC mp_parse_node_t fold_constants(compiler_t *comp, mp_parse_node_t pn, mp_m // pass } else if (MP_PARSE_NODE_IS_TOKEN_KIND(pns->nodes[1], MP_TOKEN_OP_PERCENT)) { // int%int - pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, mp_small_int_modulo(arg0, arg1)); + if (arg1 != 0) { + pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, mp_small_int_modulo(arg0, arg1)); + } } else { assert(MP_PARSE_NODE_IS_TOKEN_KIND(pns->nodes[1], MP_TOKEN_OP_DBL_SLASH)); // should be if (arg1 != 0) { diff --git a/py/objint_mpz.c b/py/objint_mpz.c index 69a81d2c39..73469f30d3 100644 --- a/py/objint_mpz.c +++ b/py/objint_mpz.c @@ -193,6 +193,9 @@ mp_obj_t mp_obj_int_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { if (0) { #if MICROPY_PY_BUILTINS_FLOAT } else if (op == MP_BINARY_OP_TRUE_DIVIDE || op == MP_BINARY_OP_INPLACE_TRUE_DIVIDE) { + if (mpz_is_zero(zrhs)) { + goto zero_division_error; + } mp_float_t flhs = mpz_as_float(zlhs); mp_float_t frhs = mpz_as_float(zrhs); return mp_obj_new_float(flhs / frhs); @@ -216,6 +219,11 @@ mp_obj_t mp_obj_int_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { break; case MP_BINARY_OP_FLOOR_DIVIDE: case MP_BINARY_OP_INPLACE_FLOOR_DIVIDE: { + if (mpz_is_zero(zrhs)) { + zero_division_error: + nlr_raise(mp_obj_new_exception_msg(&mp_type_ZeroDivisionError, + "division by zero")); + } mpz_t rem; mpz_init_zero(&rem); mpz_divmod_inpl(&res->mpz, &rem, zlhs, zrhs); if (zlhs->neg != zrhs->neg) { @@ -229,6 +237,9 @@ mp_obj_t mp_obj_int_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { } case MP_BINARY_OP_MODULO: case MP_BINARY_OP_INPLACE_MODULO: { + if (mpz_is_zero(zrhs)) { + goto zero_division_error; + } mpz_t quo; mpz_init_zero(&quo); mpz_divmod_inpl(&quo, &res->mpz, zlhs, zrhs); mpz_deinit(&quo); @@ -274,6 +285,9 @@ mp_obj_t mp_obj_int_binary_op(mp_uint_t op, mp_obj_t lhs_in, mp_obj_t rhs_in) { break; case MP_BINARY_OP_DIVMOD: { + if (mpz_is_zero(zrhs)) { + goto zero_division_error; + } mp_obj_int_t *quo = mp_obj_int_new_mpz(); mpz_divmod_inpl(&quo->mpz, &res->mpz, zlhs, zrhs); // Check signs and do Python style modulo diff --git a/py/runtime.c b/py/runtime.c index 69ac7549b2..98cde83e53 100644 --- a/py/runtime.c +++ b/py/runtime.c @@ -389,6 +389,9 @@ mp_obj_t mp_binary_op(mp_uint_t op, mp_obj_t lhs, mp_obj_t rhs) { case MP_BINARY_OP_MODULO: case MP_BINARY_OP_INPLACE_MODULO: { + if (rhs_val == 0) { + goto zero_division; + } lhs_val = mp_small_int_modulo(lhs_val, rhs_val); break; } diff --git a/tests/basics/builtin_divmod.py b/tests/basics/builtin_divmod.py index e3eff306be..c3b8658197 100644 --- a/tests/basics/builtin_divmod.py +++ b/tests/basics/builtin_divmod.py @@ -10,6 +10,11 @@ except ZeroDivisionError: print("ZeroDivisionError") try: + divmod(1 << 65, 0) +except ZeroDivisionError: + print("ZeroDivisionError") + +try: divmod('a', 'b') except TypeError: print("TypeError") diff --git a/tests/basics/int_big_error.py b/tests/basics/int_big_error.py index b7875ee87b..e036525d1b 100644 --- a/tests/basics/int_big_error.py +++ b/tests/basics/int_big_error.py @@ -29,3 +29,13 @@ try: i << (-(i >> 40)) except ValueError: print('ValueError') + +try: + i // 0 +except ZeroDivisionError: + print('ZeroDivisionError') + +try: + i % 0 +except ZeroDivisionError: + print('ZeroDivisionError') diff --git a/tests/basics/int_divzero.py b/tests/basics/int_divzero.py index 28ec2a6995..aa38eee1d7 100644 --- a/tests/basics/int_divzero.py +++ b/tests/basics/int_divzero.py @@ -2,3 +2,8 @@ try: 1 // 0 except ZeroDivisionError: print("ZeroDivisionError") + +try: + 1 % 0 +except ZeroDivisionError: + print("ZeroDivisionError") diff --git a/tests/float/int_big_float.py b/tests/float/int_big_float.py index 2c404189cb..b1a26ca73d 100644 --- a/tests/float/int_big_float.py +++ b/tests/float/int_big_float.py @@ -17,3 +17,8 @@ print("%.5g" % (i / 1.2)) # this should delegate to complex print("%.5g" % (i * 1.2j).imag) + +try: + i / 0 +except ZeroDivisionError: + print("ZeroDivisionError") |