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Dataflow: Cache compatibleTypes.

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This commit is contained in:
Anders Schack-Mulligen
2024-06-19 12:48:48 +02:00
parent 06a7e3f3ee
commit 8c23e21073
11 changed files with 41 additions and 46 deletions
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7
cpp/ql/lib/semmle/code/cpp/dataflow/internal/DataFlowPrivate.qll
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@@ -216,7 +216,7 @@ predicate localMustFlowStep(Node node1, Node node2) { none() }
/** Gets the type of `n` used for type pruning. */
Type getNodeType(Node n) {
suppressUnusedNode(n) and
exists(n) and
result instanceof VoidType // stub implementation
}
@@ -227,13 +227,10 @@ string ppReprType(Type t) { none() } // stub implementation
* Holds if `t1` and `t2` are compatible, that is, whether data can flow from
* a node of type `t1` to a node of type `t2`.
*/
pragma[inline]
predicate compatibleTypes(Type t1, Type t2) {
any() // stub implementation
t1 instanceof VoidType and t2 instanceof VoidType // stub implementation
}
private predicate suppressUnusedNode(Node n) { any() }
//////////////////////////////////////////////////////////////////////////////
// Java QL library compatibility wrappers
//////////////////////////////////////////////////////////////////////////////

7
cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowPrivate.qll
View File

@@ -988,7 +988,7 @@ predicate localMustFlowStep(Node node1, Node node2) { none() }
/** Gets the type of `n` used for type pruning. */
DataFlowType getNodeType(Node n) {
suppressUnusedNode(n) and
exists(n) and
result instanceof VoidType // stub implementation
}
@@ -999,13 +999,10 @@ string ppReprType(DataFlowType t) { none() } // stub implementation
* Holds if `t1` and `t2` are compatible, that is, whether data can flow from
* a node of type `t1` to a node of type `t2`.
*/
pragma[inline]
predicate compatibleTypes(DataFlowType t1, DataFlowType t2) {
any() // stub implementation
t1 instanceof VoidType and t2 instanceof VoidType // stub implementation
}
private predicate suppressUnusedNode(Node n) { any() }
//////////////////////////////////////////////////////////////////////////////
// Java QL library compatibility wrappers
//////////////////////////////////////////////////////////////////////////////