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Merge pull request #7130 from hvitved/cfg/dead-end-consistency

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Shared CFG: Add "dead end" consistency query
This commit is contained in:
Tom Hvitved
2021-11-19 13:49:53 +01:00
committed by GitHub
parent 2b2ff7717e fd0e318eb1
commit 47fd64fc44
3 changed files with 13 additions and 0 deletions
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5
csharp/ql/lib/semmle/code/csharp/controlflow/internal/ControlFlowGraphImplShared.qll
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@@ -943,4 +943,9 @@ module Consistency {
strictcount(getASuccessor(node, t)) > 1 and strictcount(getASuccessor(node, t)) > 1 and
successor = getASuccessor(node, t) successor = getASuccessor(node, t)
} }
query predicate deadEnd(Node node) {
not node instanceof TExitNode and
not exists(getASuccessor(node, _))
}
} }

3
csharp/ql/test/library-tests/controlflow/splits/CONSISTENCY/CfgConsistency.expected Normal file
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@@ -0,0 +1,3 @@
deadEnd
| SplittingStressTest.cs:95:13:95:14 | [b5 (line 3): false] access to parameter b5 |
| SplittingStressTest.cs:95:13:95:14 | [b5 (line 3): true] access to parameter b5 |

5
ruby/ql/lib/codeql/ruby/controlflow/internal/ControlFlowGraphImplShared.qll
View File

@@ -943,4 +943,9 @@ module Consistency {
strictcount(getASuccessor(node, t)) > 1 and strictcount(getASuccessor(node, t)) > 1 and
successor = getASuccessor(node, t) successor = getASuccessor(node, t)
} }
query predicate deadEnd(Node node) {
not node instanceof TExitNode and
not exists(getASuccessor(node, _))
}
} }