public bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
preConditions = null;
foreach (var inferencer in this.inferencers)
{
if (inferencer == null)
continue;
InferredConditions tmp;
if (inferencer.TryInferConditions(obl, codefixesManager, out tmp))
{
Contract.Assert(tmp != null);
if (preConditions == null)
{
preConditions = tmp;
}
else
{
preConditions.AddRange(tmp);
}
}
}
return preConditions != null;
}
virtual public bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
var preConds = PreconditionSuggestion.ExpressionsInPreState(obl.ConditionForPreconditionInference, this.MethodDriver.Context, this.MethodDriver.MetaDataDecoder, obl.PC, allowedKinds: ExpressionInPreStateKind.All);
preConditions = /*preConds == null ? null : */ preConds.Where(pre => pre.hasVariables).AsInferredPreconditions(isSufficient: true);
return /*preConditions != null && */ (preConditions.Any());
}
public bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
preConditions = null;
foreach (var inferencer in this.inferencers)
{
if (inferencer == null)
{
continue;
}
InferredConditions tmp;
if (inferencer.TryInferConditions(obl, codefixesManager, out tmp))
{
Contract.Assert(tmp != null);
if (preConditions == null)
{
preConditions = tmp;
}
else
{
preConditions.AddRange(tmp);
}
}
}
return(preConditions != null);
}
public bool TryInferPrecondition(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredPreconditions preConditions)
{
DateTime now = DateTime.Now;
bool flag = this.inner.TryInferPrecondition(obl, codefixesManager, out preConditions);
PreconditionInferenceProfiler.inferenceTime += DateTime.Now - now;
if (preConditions == null)
return false;
if (flag)
PreconditionInferenceProfiler.inferred += Enumerable.Count<IInferredPrecond>((IEnumerable<IInferredPrecond>) preConditions);
return flag;
}
public override bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
// First we try to read exp in the prestate
if (base.TryInferConditions(obl, codefixesManager, out preConditions))
{
// if we succeed, now we should prove it is a precondition according to Sect. 4 of [CCL-VMCAI11]
var necessarypreConditions = preConditions.Where(pre => new PreconditionCheckedAllOverThePathsAnalysis(this.obligations, this.MethodDriver).CheckPreconditionAdmissibility(pre.Expr)).AsInferredPreconditions();
obl.NotifySufficientYetNotNecessaryPreconditions(preConditions.Except(necessarypreConditions));
preConditions = necessarypreConditions;
return(necessarypreConditions.Any());
}
return(false);
}
public bool TryInferPrecondition(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredPreconditions preConditions)
{
preConditions = (InferredPreconditions) null;
foreach (IPreconditionInference preconditionInference in this.inferencers)
{
InferredPreconditions preConditions1;
if (preconditionInference != null && preconditionInference.TryInferPrecondition(obl, codefixesManager, out preConditions1))
{
if (preConditions == null)
preConditions = preConditions1;
else
preConditions.AddRange((IEnumerable<IInferredPrecond>) preConditions1);
}
}
return preConditions != null;
}
public ContractInferenceManager(bool CanAddPreconditions, IOverriddenMethodPreconditionsDispatcher overriddenMethodPreconditionsDispatcher, PreconditionInferenceManager precondition, IObjectInvariantDispatcher invariants, IPostconditionDispatcher postcondition, IAssumeDispatcher assumptions, ICodeFixesManager codefixesManager, IOutput output)
{
Contract.Requires(overriddenMethodPreconditionsDispatcher != null);
Contract.Requires(precondition != null);
Contract.Requires(invariants != null);
Contract.Requires(postcondition != null);
Contract.Requires(assumptions != null);
Contract.Requires(codefixesManager != null);
Contract.Requires(output != null);
this.CanAddPreconditions = CanAddPreconditions;
this.OverriddenMethodPreconditionDispatcher = overriddenMethodPreconditionsDispatcher;
this.PreCondition = precondition;
this.ObjectInvariant = invariants;
this.PostCondition = postcondition;
this.Assumptions = assumptions;
this.CodeFixesManager = codefixesManager;
this.Output = output;
}
public ContractInferenceManager(bool CanAddPreconditions, IOverriddenMethodPreconditionsDispatcher overriddenMethodPreconditionsDispatcher, PreconditionInferenceManager precondition, IObjectInvariantDispatcher invariants, IPostconditionDispatcher postcondition, IAssumeDispatcher assumptions, ICodeFixesManager codefixesManager, IOutput output)
{
Contract.Requires(overriddenMethodPreconditionsDispatcher != null);
Contract.Requires(precondition != null);
Contract.Requires(invariants != null);
Contract.Requires(postcondition != null);
Contract.Requires(assumptions != null);
Contract.Requires(codefixesManager != null);
Contract.Requires(output != null);
this.CanAddPreconditions = CanAddPreconditions;
this.OverriddenMethodPreconditionDispatcher = overriddenMethodPreconditionsDispatcher;
this.PreCondition = precondition;
this.ObjectInvariant = invariants;
this.PostCondition = postcondition;
this.Assumptions = assumptions;
this.CodeFixesManager = codefixesManager;
this.Output = output;
}
public bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
var watch = new Stopwatch();
watch.Start();
var result = inner.TryInferConditions(obl, codefixesManager, out preConditions);
watch.Stop();
inferenceTime += watch.Elapsed;
if (preConditions == null)
{
return(false);
}
if (result)
{
inferred += preConditions.Count();
}
return(result);
}
public bool TryInferConditions(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredConditions preConditions)
{
preConditions = null;
return(false);
}
public CodeFixesProfiler(ICodeFixesManager inner, bool trace)
{
Contract.Requires(inner != null);
this.inner = inner;
this.trace = trace;
}
public bool TryInferPrecondition(ProofObligation obl, ICodeFixesManager codefixesManager, out InferredPreconditions preConditions)
{
preConditions = (InferredPreconditions)null;
return false;
}
