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Shared: Put the content of CaptureSummaryFlowQuery into the shared library code.

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This commit is contained in:
Michael Nebel
2024-09-24 15:46:44 +02:00
parent fd45d2dcbb
commit e6085759ae
11 changed files with 28 additions and 189 deletions
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26
shared/mad/codeql/mad/modelgenerator/internal/ModelGeneratorImpl.qll
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@@ -376,7 +376,7 @@ module MakeModelGenerator<
/**
* Gets the summary model of `api`, if it follows the `fluent` programming pattern (returns `this`).
*/
string captureQualifierFlow(DataFlowSummaryTargetApi api) {
private string captureQualifierFlow(DataFlowSummaryTargetApi api) {
exists(ReturnNodeExt ret |
api = returnNodeEnclosingCallable(ret) and
isOwnInstanceAccessNode(ret)
@@ -498,13 +498,35 @@ module MakeModelGenerator<
/**
* Gets the summary model(s) of `api`, if there is flow from parameters to return value or parameter.
*/
string captureThroughFlow(DataFlowSummaryTargetApi api) {
private string captureThroughFlow(DataFlowSummaryTargetApi api) {
exists(DataFlow::ParameterNode p, ReturnNodeExt returnNodeExt |
PropagateFlow::flow(p, returnNodeExt) and
result = captureThroughFlow0(api, p, returnNodeExt)
)
}
/**
* Gets the summary model(s) of `api`, if there is flow from parameters to the
* return value or parameter or if `api` is a fluent API.
*/
string captureFlow(DataFlowSummaryTargetApi api) {
result = captureQualifierFlow(api) or
result = captureThroughFlow(api)
}
/**
* Gets the neutral summary model for `api`, if any.
* A neutral summary model is generated, if we are not generating
* a summary model that applies to `api`.
*/
string captureNoFlow(DataFlowSummaryTargetApi api) {
not exists(DataFlowSummaryTargetApi api0 |
exists(captureFlow(api0)) and api0.lift() = api.lift()
) and
api.isRelevant() and
result = ModelPrinting::asNeutralSummaryModel(api)
}
/**
* Provides classes and predicates related to capturing summary models
* based on content data flow.