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Overlay: Add discarding for Java classes, interfaces & fields #20294

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Overlay: Add discarding for Java classes, interfaces & fields #20294

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3 changes: 3 additions & 0 deletions java/ql/lib/semmle/code/java/Member.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -848,6 +848,9 @@ class Field extends Member, ExprParent, @field, Variable {
override string getAPrimaryQlClass() { result = "Field" }
}

overlay[local]
private class DiscardableField extends DiscardableReferableLocatable, @field { }

/** An instance field. */
class InstanceField extends Field {
InstanceField() { not this.isStatic() }
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5 changes: 5 additions & 0 deletions java/ql/lib/semmle/code/java/Type.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ module;
import Member
import Modifier
import JDK
private import semmle.code.java.Overlay

/**
* Holds if reference type `t` is an immediate super-type of `sub`.
Expand Down Expand Up @@ -998,6 +999,10 @@ class ClassOrInterface extends RefType, @classorinterface {
CompanionObject getCompanionObject() { type_companion_object(this, _, result) }
}

overlay[local]
private class DiscardableClassOrInterface extends DiscardableReferableLocatable, @classorinterface {
}

private string getAPublicObjectMethodSignature() {
exists(Method m |
m.getDeclaringType() instanceof TypeObject and
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