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C++: Support __has_unique_object_representations builtin

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Jeroen Ketema
2022-07-26 12:46:35 +02:00
parent 0c03935437
commit a85d3f9b7f
4 changed files with 28 additions and 1 deletions
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20
cpp/ql/lib/semmle/code/cpp/exprs/BuiltInOperations.qll
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@@ -999,9 +999,27 @@ class BuiltInComplexOperation extends BuiltInOperation, @builtincomplex {
* Returns `true` if the type has is an aggregate type.
* ```
* std::integral_constant<bool, __is_aggregate(_Tp)> ia;
* ``` */
* ```
*/
class BuiltInOperationIsAggregate extends BuiltInOperation, @isaggregate {
override string toString() { result = "__is_aggregate" }
override string getAPrimaryQlClass() { result = "BuiltInOperationIsAggregate" }
}
/**
* A C++ `__has_unique_object_representations` built-in operation (used by some
* implementations of the `<type_traits>` header).
*
* Returns `true` if the type is trivially copyable and if the object representation
* is unique for two objects with the same value.
* ```
* bool v = __has_unique_object_representations(MyType);
* ```
*/
class BuiltInOperationHasUniqueObjectRepresentations extends BuiltInOperation,
@hasuniqueobjectrepresentations {
override string toString() { result = "__has_unique_object_representations" }
override string getAPrimaryQlClass() { result = "BuiltInOperationHasUniqueObjectRepresentations" }
}