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feat: add getASupertype() predicate in ValueOrRefType. #20008

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Merged
michaelnebel merged 4 commits into from
Jul 16, 2025
Merged

feat: add getASupertype() predicate in ValueOrRefType. #20008

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fb69383
feat: add getASupertype() predicate in ValueOrRefType.
Hug0Vincent Jul 10, 2025
c3c8d5d
Create 2025-06-10-getasupertype.md
Hug0Vincent Jul 10, 2025
6384cf2
Update predicate name
Hug0Vincent Jul 15, 2025
8c82405
Update 2025-06-10-getasupertype.md
Hug0Vincent Jul 15, 2025
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4 changes: 4 additions & 0 deletions csharp/ql/lib/change-notes/2025-06-10-getasupertype.md
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@@ -0,0 +1,4 @@
---
category: feature
---
* Added a new predicate, `getASupertype()`, to get a direct supertype of this type.
3 changes: 3 additions & 0 deletions csharp/ql/lib/semmle/code/csharp/Type.qll
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Expand Up @@ -138,6 +138,9 @@ class ValueOrRefType extends Type, Attributable, @value_or_ref_type {
/** Gets an immediate subtype of this type, if any. */
ValueOrRefType getASubType() { result.getABaseType() = this }

/** Gets an immediate supertype of this type, if any. */
ValueOrRefType getASupertype() { this.getABaseType() = result }

/** Gets a member of this type, if any. */
Member getAMember() { result.getDeclaringType() = this }

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