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Java: Introduce helper predicate to avoid empty predicate in IPA branch.

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This commit is contained in:
Michael Nebel
2023-03-15 16:51:35 +01:00
parent a9e5b34ad6
commit 2e86bbd6cd
1 changed files with 6 additions and 10 deletions
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16
java/ql/lib/semmle/code/java/dataflow/internal/DataFlowImpl.qll
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@@ -418,6 +418,10 @@ module Impl<FullStateConfigSig Config> {
)
}
private predicate sourceCallCtx(CallContext cc) {
if hasSourceCallCtx() then cc instanceof CallContextSomeCall else cc instanceof CallContextAny
}
private predicate hasSinkCallCtx() {
exists(FlowFeature feature | feature = Config::getAFeature() |
feature instanceof FeatureHasSinkCallContext or
@@ -2804,11 +2808,7 @@ module Impl<FullStateConfigSig Config> {
// A PathNode is introduced by a source ...
Stage5::revFlow(node, state) and
sourceNode(node, state) and
(
if hasSourceCallCtx()
then cc instanceof CallContextSomeCall
else cc instanceof CallContextAny
) and
sourceCallCtx(cc) and
sc instanceof SummaryCtxNone and
ap = TAccessPathNil(node.getDataFlowType())
or
@@ -3214,11 +3214,7 @@ module Impl<FullStateConfigSig Config> {
override predicate isSource() {
sourceNode(node, state) and
(
if hasSourceCallCtx()
then cc instanceof CallContextSomeCall
else cc instanceof CallContextAny
) and
sourceCallCtx(cc) and
sc instanceof SummaryCtxNone and
ap = TAccessPathNil(node.getDataFlowType())
}