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SSA: Replace the Guards interface in the SSA data flow integration.

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This commit is contained in:
Anders Schack-Mulligen
2025-03-05 11:45:10 +01:00
parent a02735326a
commit c6761db2fc
6 changed files with 62 additions and 58 deletions
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16
java/ql/lib/semmle/code/java/dataflow/internal/SsaImpl.qll
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@@ -667,10 +667,13 @@ private module DataFlowIntegrationInput implements Impl::DataFlowIntegrationInpu
}
class Guard extends Guards::Guard {
predicate hasCfgNode(BasicBlock bb, int i) {
this = bb.getNode(i).asExpr()
or
this = bb.getNode(i).asStmt()
/**
* Holds if the control flow branching from `bb1` is dependent on this guard,
* and that the edge from `bb1` to `bb2` corresponds to the evaluation of this
* guard to `branch`.
*/
predicate controlsBranchEdge(BasicBlock bb1, BasicBlock bb2, boolean branch) {
super.hasBranchEdge(bb1, bb2, branch)
}
}
@@ -678,11 +681,6 @@ private module DataFlowIntegrationInput implements Impl::DataFlowIntegrationInpu
predicate guardControlsBlock(Guard guard, BasicBlock bb, boolean branch) {
guard.controls(bb, branch)
}
/** Gets an immediate conditional successor of basic block `bb`, if any. */
BasicBlock getAConditionalBasicBlockSuccessor(BasicBlock bb, boolean branch) {
result = bb.(Guards::ConditionBlock).getTestSuccessor(branch)
}
}
private module DataFlowIntegrationImpl = Impl::DataFlowIntegration<DataFlowIntegrationInput>;