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Implement FlowSummaryImpl stubs

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This commit is contained in:
Tom Hvitved
2024-12-16 19:36:29 +01:00
parent 8f6ae6274d
commit 1b31c90d26
8 changed files with 88 additions and 6 deletions
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16
csharp/ql/lib/semmle/code/csharp/dataflow/internal/FlowSummaryImpl.qll
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@@ -14,8 +14,14 @@ private import semmle.code.csharp.Unification
private import semmle.code.csharp.dataflow.internal.ExternalFlow
module Input implements InputSig<Location, DataFlowImplSpecific::CsharpDataFlow> {
private import codeql.util.Void
class SummarizedCallableBase = UnboundCallable;
class SourceBase = Void;
class SinkBase = Void;
predicate neutralElement(SummarizedCallableBase c, string kind, string provenance, boolean isExact) {
interpretNeutral(c, kind, provenance) and
// isExact is not needed for C#.
@@ -176,12 +182,22 @@ private module TypesInput implements Impl::Private::TypesInputSig {
result.asGvnType() = Gvn::getGlobalValueNumber(dt.getDelegateType().getReturnType())
)
}
DataFlowType getSourceNodeType(Input::SourceBase source, Impl::Private::SummaryComponent sc) {
none()
}
DataFlowType getSinkNodeType(Input::SinkBase sink, Impl::Private::SummaryComponent sc) { none() }
}
private module StepsInput implements Impl::Private::StepsInputSig {
DataFlowCall getACall(Public::SummarizedCallable sc) {
sc = viableCallable(result).asSummarizedCallable()
}
Node getSourceNode(Input::SourceBase source, Impl::Private::SummaryComponent sc) { none() }
Node getSinkNode(Input::SinkBase sink, Impl::Private::SummaryComponent sc) { none() }
}
module SourceSinkInterpretationInput implements