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C++: Improve ErrorExpr documentation to match current practise

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This commit is contained in:
Jeroen Ketema
2022-07-27 10:27:43 +02:00
parent 5a59354d73
commit a27b1ee33a
1 changed files with 5 additions and 2 deletions
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7
cpp/ql/lib/semmle/code/cpp/exprs/Expr.qll
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@@ -596,9 +596,12 @@ class ParenthesisExpr extends Conversion, @parexpr {
} }
/** /**
* A C/C++ expression that has not been resolved. * A C/C++ expression that could not be resolved, or that can no longer be
* represented due to a database upgrade or downgrade.
* *
* It is assigned `ErroneousType` as its type. * If the expression could not be resolved, it has type `ErroneousType`. In the
* case of a database upgrade or downgrade, the original type from before the
* upgrade or downgrade is kept if that type can be represented.
*/ */
class ErrorExpr extends Expr, @errorexpr { class ErrorExpr extends Expr, @errorexpr {
override string toString() { result = "<error expr>" } override string toString() { result = "<error expr>" }