public bool LookupState(IMethodResult <Variable> mr, APC pc, out SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> astate)
{
astate = null;
StringValueAnalysis an = mr as StringValueAnalysis;
if (an == null)
{
return(false);
}
return(an.PreStateLookup(pc, out astate));
}
public bool AssignInParallel(IMethodResult <Variable> mr, ref SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> astate, Dictionary <BoxedVariable <Variable>, FList <BoxedVariable <Variable> > > mapping, Converter <BoxedVariable <Variable>, BoxedExpression> convert)
{
StringValueAnalysis an = mr as StringValueAnalysis;
if (an == null)
{
return(false);
}
astate.AssignInParallel(mapping, convert);
return(true);
}
public SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> Join(IMethodResult <Variable> mr, SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> astate1, SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> astate2)
{
StringValueAnalysis an = mr as StringValueAnalysis;
if (an == null)
{
return(null);
}
bool bWeaker;
return(an.Join(new Pair <APC, APC>(), astate1, astate2, out bWeaker, false));
}
public List <BoxedExpression> ExtractAssertions(
IMethodResult <Variable> mr,
SimpleStringAbstractDomain <BoxedVariable <Variable>, BoxedExpression> astate,
IExpressionContext <Local, Parameter, Method, Field, Type, Expression, Variable> context,
IDecodeMetaData <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly> metaDataDecoder)
{
StringValueAnalysis an = mr as StringValueAnalysis;
if (an == null)
{
return(null);
}
BoxedExpressionReader <Local, Parameter, Method, Field, Property, Event, Type, Variable, Expression, Attribute, Assembly> br = new BoxedExpressionReader <Local, Parameter, Method, Field, Property, Event, Type, Variable, Expression, Attribute, Assembly>(context, metaDataDecoder);
return(an.ToListOfBoxedExpressions(astate, br));
}
/// <summary>
/// It runs the analysis.
/// It is there because so we can use the typebinding, and make the code less verbose
/// </summary>
internal static IMethodResult <Variable> HelperForStringAnalysis(string methodName,
IMethodDriver <APC, Local, Parameter, Method, Field, Property, Type, Attribute, Assembly, ExternalExpression, Variable, ILogOptions> driver, IValueAnalysisOptions options)
{
StringValueAnalysis analysis;
analysis = new StringValueAnalysis(methodName, driver, options);
// *** The next lines must be strictly sequential ***
Action <SimpleStringAbstractDomain <BoxedExpression> > closure = driver.CreateForward <SimpleStringAbstractDomain <BoxedExpression> >(analysis);
// At this point, CreateForward has called the Visitor, so the context has been created, so that now we can call initValue
SimpleStringAbstractDomain <BoxedExpression> initValue = analysis.InitialValue;
closure(initValue); // Do the analysis
return(analysis);
}
/// <summary>
/// It runs the analysis.
/// It is there because so we can use the typebinding, and make the code less verbose
/// </summary>
internal static IMethodResult <Variable> HelperForStringAnalysis
(
string methodName,
IMethodDriver <Local, Parameter, Method, Field, Property, Event, Type, Attribute, Assembly, Expression, Variable, ILogOptions> driver,
IValueAnalysisOptions options,
Predicate <APC> cachePCs, DFAController controller
)
{
var analysis = new StringValueAnalysis(methodName, driver, options, cachePCs);
var closure = driver.HybridLayer.CreateForward(analysis, new DFAOptions {
Trace = false
}, controller);
closure(analysis.GetTopValue()); // Do the analysis
return(analysis);
}
