DataFlow: s/flowThroughStepAllowed/validParameterAliasStep.

Author: MathiasVP

cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowImplSpecific.qll

@@ -21,5 +21,5 @@ module CppDataFlow implements InputSig {
 
   predicate getAdditionalFlowIntoCallNodeTerm = Private::getAdditionalFlowIntoCallNodeTerm/2;
 
-  predicate flowThroughStepAllowed = Private::flowThroughStepAllowed/2;
+  predicate validParameterAliasStep = Private::validParameterAliasStep/2;
 }

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

@@ -1144,7 +1144,7 @@ private int countNumberOfBranchesUsingParameter(SwitchInstruction switch, Parame
  */
 bindingset[node1, node2]
 pragma[inline_late]
-predicate flowThroughStepAllowed(Node node1, Node node2) {
+predicate validParameterAliasStep(Node node1, Node node2) {
   // When flow-through summaries are computed we track which parameters flow to out-going parameters.
   // In an example such as:
   // ```

shared/dataflow/codeql/dataflow/DataFlow.qll

@@ -175,7 +175,7 @@ signature module InputSig {
    * computing flow-through summaries.
    */
   bindingset[node1, node2]
-  default predicate flowThroughStepAllowed(Node node1, Node node2) { any() }
+  default predicate validParameterAliasStep(Node node1, Node node2) { any() }
 
   /**
    * Holds if data can flow from `node1` to `node2` through a non-local step

shared/dataflow/codeql/dataflow/internal/DataFlowImplCommon.qll

@@ -552,7 +552,7 @@ module MakeImplCommon<InputSig Lang> {
           exists(Node mid |
             parameterValueFlowCand(p, mid, read) and
             simpleLocalFlowStep(mid, node) and
-            flowThroughStepAllowed(mid, node)
+            validParameterAliasStep(mid, node)
           )
           or
           // read
@@ -672,7 +672,7 @@ module MakeImplCommon<InputSig Lang> {
           exists(Node mid |
             parameterValueFlow(p, mid, read) and
             simpleLocalFlowStep(mid, node) and
-            flowThroughStepAllowed(mid, node)
+            validParameterAliasStep(mid, node)
           )
           or
           // read