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C++: Support C23 typeof and typeof_unqual #19290

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C++: Support C23 typeof and typeof_unqual #19290

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c81aa89
C++: Support C23 `typeof` and `typeof_unqual`
jketema Apr 11, 2025
f3a11e0
C++: Update expected test results
jketema Apr 11, 2025
7b67db5
C++: Add upgrade and downgrade scripts
jketema Apr 11, 2025
1849b4c
C++: Update stats file
jketema Apr 11, 2025
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11 changes: 11 additions & 0 deletions cpp/downgrades/45f9d92df0bd1396e5f9c976919749edd68acb32/decltypes.ql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
class Type extends @type {
string toString() { none() }
}

class Expr extends @expr {
string toString() { none() }
}

from Type decltype, Expr expr, Type basetype, boolean parentheses
where decltypes(decltype, expr, _, basetype, parentheses)
select decltype, expr, basetype, parentheses
19 changes: 19 additions & 0 deletions cpp/downgrades/45f9d92df0bd1396e5f9c976919749edd68acb32/derivedtypes.ql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
class Type extends @type {
string toString() { none() }
}

predicate derivedType(Type type, string name, int kind, Type type_id) {
derivedtypes(type, name, kind, type_id)
}

predicate typeTransformation(Type type, string name, int kind, Type type_id) {
type_operators(type, _, _, type_id) and
name = "" and
kind = 3 // @type_with_specifiers
}

from Type type, string name, int kind, Type type_id
where
derivedType(type, name, kind, type_id) or
typeTransformation(type, name, kind, type_id)
select type, name, kind, type_id
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