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Merge pull request #8550 from erik-krogh/classJoin

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Approved by asgerf
This commit is contained in:
CodeQL CI
2022-04-12 09:23:58 +01:00
committed by GitHub
parent cb211f8844 48ef3b106f
commit a43f3a21a8
1 changed files with 12 additions and 1 deletions
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13
javascript/ql/lib/semmle/javascript/dataflow/Nodes.qll
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@@ -786,6 +786,8 @@ class MemberKind extends string {
predicate isAccessor() { this = MemberKind::accessor() } predicate isAccessor() { this = MemberKind::accessor() }
} }
private import internal.StepSummary
module MemberKind { module MemberKind {
/** Gets the kind of a method, such as `m() {}` */ /** Gets the kind of a method, such as `m() {}` */
MemberKind method() { result = "method" } MemberKind method() { result = "method" }
@@ -960,7 +962,16 @@ class ClassNode extends DataFlow::SourceNode instanceof ClassNode::Range {
result.getAstNode().getFile() = this.getAstNode().getFile() result.getAstNode().getFile() = this.getAstNode().getFile()
) )
or or
exists(DataFlow::TypeTracker t2 | result = this.getAClassReference(t2).track(t2, t)) result = this.getAClassReferenceRec(t)
}
pragma[noopt]
private DataFlow::SourceNode getAClassReferenceRec(DataFlow::TypeTracker t) {
exists(DataFlow::TypeTracker t2, StepSummary summary, DataFlow::SourceNode prev |
prev = this.getAClassReference(t2) and
StepSummary::step(prev, result, summary) and
t = t2.append(summary)
)
} }
/** /**