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definition:
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verifyPostConditions :: Options -> TAProg -> IORef VState -> IO TAProg
verifyPostConditions opts prog vstref = do
ti <- readVerifyInfoRef vstref
-- Operations with postcondition checks:
let fdecls = progFuncs prog
newfuns <- provePostConds ti (postConds ti) fdecls
return $ updProgFuncs (const newfuns) prog
where
provePostConds _ [] fdecls = return fdecls
provePostConds ti (pof:pofs) fdecls =
provePostCondition opts ti pof fdecls vstref >>= provePostConds ti pofs
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demand:
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no demanded arguments
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deterministic:
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deterministic operation
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documentation:
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------------------------------------------------------------------------
Try to verify postconditions: If an operation `f` has a postcondition,
a proof for the validity of the postcondition is extracted.
If the proof is not successful, a postcondition check is added to `f`.
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failfree:
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<FAILING>
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{(_,_,_) |-> _}
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name:
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verifyPostConditions
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precedence:
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no precedence defined
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result-values:
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_
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signature:
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ToolOptions.Options -> FlatCurry.Annotated.Types.AProg FlatCurry.Types.TypeExpr
-> Data.IORef.IORef VerifierState.VState
-> Prelude.IO (FlatCurry.Annotated.Types.AProg FlatCurry.Types.TypeExpr)
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solution-complete:
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operation might suspend on free variables
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terminating:
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possibly non-terminating
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totally-defined:
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possibly non-reducible on same data term
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