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py/emitnative: Raise ViperTypeError for unsupported unary ops.

This commit is contained in:
Damien George 2015-10-08 13:08:59 +01:00
parent 7e12a601b8
commit 9f5f156b9d
3 changed files with 20 additions and 7 deletions
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19
py/emitnative.c
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@ -1974,14 +1974,19 @@ STATIC void emit_native_pop_except(emit_t *emit) {
STATIC void emit_native_unary_op(emit_t *emit, mp_unary_op_t op) {
vtype_kind_t vtype;
emit_pre_pop_reg(emit, &vtype, REG_ARG_2);
assert(vtype == VTYPE_PYOBJ);
if (op == MP_UNARY_OP_NOT) {
// we need to synthesise this operation by converting to bool first
emit_call_with_imm_arg(emit, MP_F_UNARY_OP, MP_UNARY_OP_BOOL, REG_ARG_1);
ASM_MOV_REG_REG(emit->as, REG_ARG_2, REG_RET);
if (vtype == VTYPE_PYOBJ) {
if (op == MP_UNARY_OP_NOT) {
// we need to synthesise this operation by converting to bool first
emit_call_with_imm_arg(emit, MP_F_UNARY_OP, MP_UNARY_OP_BOOL, REG_ARG_1);
ASM_MOV_REG_REG(emit->as, REG_ARG_2, REG_RET);
}
emit_call_with_imm_arg(emit, MP_F_UNARY_OP, op, REG_ARG_1);
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
} else {
adjust_stack(emit, 1);
EMIT_NATIVE_VIPER_TYPE_ERROR(emit,
"unary op %q not implemented", mp_unary_op_method_name[op]);
}
emit_call_with_imm_arg(emit, MP_F_UNARY_OP, op, REG_ARG_1);
emit_post_push_reg(emit, VTYPE_PYOBJ, REG_RET);
}
STATIC void emit_native_binary_op(emit_t *emit, mp_binary_op_t op) {

5
tests/micropython/viper_error.py
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@ -52,3 +52,8 @@ test("@micropython.viper\ndef f(): 1[x] = 1")
# must raise an object
test("@micropython.viper\ndef f(): raise 1")
# unary ops not implemented
test("@micropython.viper\ndef f(x:int): +x")
test("@micropython.viper\ndef f(x:int): -x")
test("@micropython.viper\ndef f(x:int): ~x")

3
tests/micropython/viper_error.py.exp
View File

@ -10,3 +10,6 @@ ViperTypeError("can't load from 'int'",)
ViperTypeError("can't store to 'int'",)
ViperTypeError("can't store to 'int'",)
ViperTypeError('must raise an object',)
ViperTypeError('unary op __pos__ not implemented',)
ViperTypeError('unary op __neg__ not implemented',)
ViperTypeError('unary op __invert__ not implemented',)