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C++: add Class::isStandardLayout() #204

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Merged
ian-semmle merged 3 commits into from
Sep 19, 2018
Merged

C++: add Class::isStandardLayout() #204

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e5b9dca
C++: add Class::isStandardLayout()
nickrolfe Sep 18, 2018
f1358b7
C++: test for Class::isStandardLayout()
nickrolfe Sep 18, 2018
017e3a3
C++: stats for is_standard_layout_class
nickrolfe Sep 19, 2018
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6 changes: 6 additions & 0 deletions cpp/ql/src/semmle/code/cpp/Class.qll
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Expand Up @@ -418,6 +418,12 @@ class Class extends UserType {
*/
predicate isPOD() { is_pod_class(underlyingElement(this)) }

/**
* Holds if this class is a standard-layout class [N4140 9(7)]. Also holds
* for structs in C programs.
*/
predicate isStandardLayout() { is_standard_layout_class(underlyingElement(this)) }

/**
* Holds if this class is abstract, in other words whether it declares one
* or more pure virtual member functions.
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1 change: 1 addition & 0 deletions cpp/ql/src/semmlecode.cpp.dbscheme
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Expand Up @@ -691,6 +691,7 @@ usertype_uuid(
);

is_pod_class(unique int id: @usertype ref);
is_standard_layout_class(unique int id: @usertype ref);

is_complete(unique int id: @usertype ref);

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