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Ruby: Support postupdate notes for assignment expressions.

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This commit is contained in:
Michael Nebel
2022-09-29 13:55:52 +02:00
parent af4db77046
commit 999eb19c3d
1 changed files with 2 additions and 2 deletions
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4
ruby/ql/lib/codeql/ruby/dataflow/internal/DataFlowPrivate.qll
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@@ -52,6 +52,8 @@ private CfgNodes::ExprCfgNode getALastEvalNode(CfgNodes::ExprCfgNode n) {
or
result = n.(CfgNodes::ExprNodes::ConditionalExprCfgNode).getBranch(_)
or
result = n.(CfgNodes::ExprNodes::AssignExprCfgNode).getRhs()
or
exists(CfgNodes::AstCfgNode branch |
branch = n.(CfgNodes::ExprNodes::CaseExprCfgNode).getBranch(_)
|
@@ -157,8 +159,6 @@ module LocalFlow {
predicate localFlowStepCommon(Node nodeFrom, Node nodeTo) {
localSsaFlowStep(nodeFrom, nodeTo)
or
nodeFrom.asExpr() = nodeTo.asExpr().(CfgNodes::ExprNodes::AssignExprCfgNode).getRhs()
or
nodeFrom.asExpr() = nodeTo.asExpr().(CfgNodes::ExprNodes::BlockArgumentCfgNode).getValue()
or
nodeFrom.asExpr() = getALastEvalNode(nodeTo.asExpr())