public override IProofObligations <Variable, BoxedExpression> GetProofObligations <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable>
(
string fullMethodName,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> mdriver
)
{
var obl = new ProofObligationComposition <Variable, BoxedExpression>();
if (!this.boundsOptions[0].NoProofObligations)
{
var numObl = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .BoundsObligations(mdriver, this.boundsOptions[0].NoProofObligations);
obl.Add(numObl);
}
if (this.nonnullAnalysis != null)
{
var nnObl = this.nonnullAnalysis.GetProofObligations(fullMethodName, mdriver);
if (nnObl != null)
{
obl.Add(nnObl);
}
}
if (this.IsEnumAnalysisSelected)
{
obl.Add(new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .EnumObligations(mdriver, false));
}
return(obl);
}
public override IProofObligations <Variable, BoxedExpression> GetProofObligations <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable>(string fullMethodName, IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> mdriver)
{
var result =
new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .BoundsObligations(mdriver, this.options[0].NoProofObligations);
return(result);
}
public void SuggestContractsForExtractedMethod(Preconditions postConditionsAsBE, IOutput output)
{
IEnumerable <BoxedExpression> newPreconditions;
if (this.TryInferPreconditionsFromPostconditions(postConditionsAsBE.ToList(), out newPreconditions))
{
var decompiler = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .BooleanExpressionsDecompiler <LogOptions>(this.MDriver);
var alreadyShown = new Set <string>();
foreach (var p in newPreconditions)
{
var inPreState = PreconditionSuggestion.ExpressionInPreState(p, this.MDriver.Context, this.MDriver.MetaDataDecoder, this.MDriver.CFG.EntryAfterRequires, allowedKinds: ExpressionInPreStateKind.MethodPrecondition);
BoxedExpression decompiled;
if (inPreState != null && decompiler.FixIt(this.MDriver.CFG.EntryAfterRequires, inPreState.expr, out decompiled))
{
var outStr = decompiled.ToString();
if (this.Facts.IsTrue(this.MDriver.CFG.EntryAfterRequires, decompiled) == ProofOutcome.Top && !alreadyShown.Contains(outStr))
{
output.Suggestion(ClousotSuggestion.Kind.Requires, ClousotSuggestion.Kind.Requires.Message(),
this.MDriver.CFG.Entry, string.Format("Extract method suggestion: Contract.Requires({0});", outStr), null, ClousotSuggestion.ExtraSuggestionInfo.None);
alreadyShown.Add(outStr);
}
}
}
}
}
public override T Instantiate <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T>
(
string methodName,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> mdriver,
Predicate <APC> cachePCs,
IMethodAnalysisClientFactory <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T> factory, DFAController controller
)
{
var numericalAnalysis =
new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .
NumericalAnalysis <Bounds.BoundsOptions>(methodName, mdriver, this.boundsOptions, cachePCs, controller);
var nonnullAnalysis =
this.nonnullAnalysis != null ?
new Analyzers.NonNull.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .
AnalysisForArrays(mdriver, this.nonnullAnalysis, cachePCs)
: null;
var arrayAnalysis =
new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .
ArrayAnalysisPlugIn(methodName, mdriver, this.options[0].LogOptions, cachePCs);
var analysis =
new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .
ArrayAnalysis <Analyzers.Arrays.ArrayOptions, Bounds.BoundsOptions>(methodName, arrayAnalysis, numericalAnalysis, nonnullAnalysis, this.IsEnumAnalysisSelected, mdriver, this.options[0], cachePCs);
return(factory.Create(analysis, controller));
}
private ExpressionManager <BoxedVariable <Variable>, BoxedExpression> GetExpressionManager()
{
var valuedDecoder = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .ValueExpDecoder(this.Mdriver.Context, this.Mdriver.MetaDataDecoder);
var expDecoder = BoxedExpressionDecoder <Variable> .Decoder(valuedDecoder, (object o) => ExpressionType.Unknown);
var expEncoder = BoxedExpressionEncoder <Variable> .Encoder(this.Mdriver.MetaDataDecoder, this.Mdriver.Context);
var expManager = new ExpressionManagerWithEncoder <BoxedVariable <Variable>, BoxedExpression>(this.timeout, expDecoder, expEncoder);
return(expManager);
}
public override T Instantiate <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T>(
string methodName,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> driver,
Predicate <APC> cachePCs,
IMethodAnalysisClientFactory <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T> factory
)
{
var analysis = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .
StringValueAnalysis(methodName, driver, options[0], cachePCs);
return(factory.Create(analysis));
}
public override T Instantiate <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T>(
string methodName,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> driver,
Predicate <APC> cachePCs,
IMethodAnalysisClientFactory <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, T> factory, DFAController controller
)
{
var adomain = options[0].Type;
var analysis = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .ArithmeticAnalysis(methodName, driver, options[0], adomain, cachePCs, controller);
return(factory.Create(analysis, controller));
}
override public bool ExecuteAbstractDomainFunctor <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, Options, Result, Data>(
IClassDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, Options, IMethodResult <Variable> > cdriver,
IResultsFunctor <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, Result, Data> functor,
Data data,
out Result result)
//where Variable : IEquatable<Variable>
//where Expression : IEquatable<Expression>
//where Type : IEquatable<Type>
//where Options : IFrameworkLogOptions
{
var aoi = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .AbstractOperationsImplementationNumerical <Bounds.BoundsOptions>();
return(functor.Execute(aoi, data, out result));
}
private BoxedExpression SimplifyAndFix(APC pc, BoxedExpression precondition)
{
Contract.Requires(precondition != null);
var decompiler = new AnalysisWrapper.TypeBindings <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable> .BooleanExpressionsDecompiler <LogOptions>(mdriver);
BoxedExpression result;
if (decompiler.FixIt(pc, precondition, out result))
{
return(result.Simplify(this.mdriver.MetaDataDecoder));
}
else
{
return(null); // doesn't type check and is not fixable, ignore
}
}
