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Exact value zero value for T{} of basic types

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This commit is contained in:
gingerBill
2020-01-14 17:36:37 +00:00
parent f0c6f29f82
commit 04f7225ea5
1 changed files with 27 additions and 0 deletions
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27
src/check_expr.cpp
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@@ -8391,6 +8391,33 @@ ExprKind check_expr_base_internal(CheckerContext *c, Operand *o, Ast *node, Type
bits |= bit;
}
o->value = exact_value_u64(bits);
} else if (is_type_constant_type(type) && cl->elems.count == 0) {
ExactValue value = exact_value_compound(node);
Type *bt = core_type(type);
if (bt->kind == Type_Basic) {
if (bt->Basic.flags & BasicFlag_Boolean) {
value = exact_value_bool(false);
} else if (bt->Basic.flags & BasicFlag_Integer) {
value = exact_value_i64(0);
} else if (bt->Basic.flags & BasicFlag_Unsigned) {
value = exact_value_i64(0);
} else if (bt->Basic.flags & BasicFlag_Float) {
value = exact_value_float(0);
} else if (bt->Basic.flags & BasicFlag_Complex) {
value = exact_value_complex(0, 0);
} else if (bt->Basic.flags & BasicFlag_Quaternion) {
value = exact_value_quaternion(0, 0, 0, 0);
} else if (bt->Basic.flags & BasicFlag_Pointer) {
value = exact_value_pointer(0);
} else if (bt->Basic.flags & BasicFlag_String) {
String empty_string = {};
value = exact_value_string(empty_string);
} else if (bt->Basic.flags & BasicFlag_Rune) {
value = exact_value_i64(0);
}
}
o->value = value;
} else {
o->value = exact_value_compound(node);
}