public static string GetPropertyNameFromMethodName(string methodName)
{
return(SpecificationMethods.GetPropertyNameFromMethodName(methodName));
}
public override void VisitInvocationExpression(InvocationExpressionSyntax node)
{
var methodSymbol = (MethodSymbol)_semanticModel.GetSymbolInfo(node).Symbol;
if (methodSymbol == null || !(methodSymbol.IsStatic || _specificationsElements.GetSpecificationEquivalentMethod(ref methodSymbol) || methodSymbol.ContainingNamespace.ToString() == "System.Linq"))
{
return;
}
var argumentExpressions = node.ArgumentList.Arguments.Select(a => a.Expression).ToList();
var memberAccessExpression = node.Expression as MemberAccessExpressionSyntax;
if (memberAccessExpression != null && (_semanticModel.GetSymbolInfo(memberAccessExpression.Expression).Symbol as ITypeSymbol) == null)
{
argumentExpressions.Insert(0, memberAccessExpression.Expression);
}
string methodSymbolString = methodSymbol.ToString();
MethodDeclarationSyntax method;
if (_methodPerMethodSymbols.TryGetValue(methodSymbolString, out method))
{
if (_alreadyCalledMethods.Contains(methodSymbol))
{
if (++_failed > MaxFailed)
{
return;
}
}
else
{
_alreadyCalledMethods.Add(methodSymbol);
}
if (_getMethods.Values.SelectMany(m => m).Contains(method))
{
var membersVisitor = new GetMembersVisitor(this);
membersVisitor.Visit(argumentExpressions[0]);
AddProperties(membersVisitor._properties);
AddProperty(new List <PropertySymbolInfo>(LastOrDefault(membersVisitor._properties.Dependences))
{
new PropertySymbolInfo(TypeSymbolInfo.Get(methodSymbol.ReturnType),
SpecificationMethods.GetPropertyNameFromMethod(method), TypeSymbolInfo.Get(methodSymbol.Parameters[0].Type),
method)
});
}
else
{
var variables = new Dictionary <string, PropertyDependence>();
int index = 0;
foreach (var argumentExpression in argumentExpressions)
{
var membersVisitor = new GetMembersVisitor(this);
membersVisitor.Visit(argumentExpression);
AddProperties(membersVisitor._properties);
if (membersVisitor._properties.Dependences.GroupBy(p => p.Count).All(g => g.Count() == 1))
{
variables.Add(methodSymbol.Parameters[index].Name, membersVisitor._properties);
}
index++;
}
{
var semanticModel = _semanticModelPerMethods[method];
var membersVisitor = new GetMembersVisitor(semanticModel, _specificationsElements,
_serverFxDALInterfacesNamespace, _semanticModelPerMethods, _methodPerMethodSymbols,
_getMethods, _extensionMethods, variables, _fromVariables, _linqIndex, _alreadyCalledMethods,
_definePropertyDependences, _failed);
membersVisitor._returnProperties = new PropertyDependence();
membersVisitor.Visit(method.Body);
AddProperties(membersVisitor._properties);
if (!(membersVisitor._returnProperties.Dependences.Count == 0 && membersVisitor._returnProperties.PropertiesDependences.Count == 0))
{
_properties.Last = membersVisitor._returnProperties;
}
_proceed = true;
}
}
}
else
{
if (methodSymbol.ContainingNamespace.ToString() == "System.Linq")
{
var membersVisitor = new GetMembersVisitor(this);
membersVisitor.Visit(argumentExpressions[0]);
if (membersVisitor._properties.Last != null)
{
_properties.Last = membersVisitor._properties.Last;
}
AddProperties(membersVisitor._properties);
Action <int, Action <PropertyDependence> > visitLambda = (argumentIndex, addProperties) =>
{
var lambdaExpression = argumentExpressions[argumentIndex] as SimpleLambdaExpressionSyntax;
if (lambdaExpression != null)
{
var variables = new Dictionary <string, PropertyDependence>(_variables);
if (!variables.ContainsKey(lambdaExpression.Parameter.Identifier.ValueText))
{
variables.Add(lambdaExpression.Parameter.Identifier.ValueText, _properties);
}
else
{
variables[lambdaExpression.Parameter.Identifier.ValueText] = _properties;
}
membersVisitor = new GetMembersVisitor(this, variables);
membersVisitor._returnProperties = null;
membersVisitor.Visit(lambdaExpression.Body);
addProperties(membersVisitor._properties);
_proceed = true;
}
};
switch (argumentExpressions.Count)
{
case 1:
_properties.Last = membersVisitor._properties.Last;
_proceed = true;
break;
case 2:
bool applyLast = false;
switch (methodSymbol.Name)
{
case "Where":
case "OrderBy":
case "OrderByDescending":
case "ThenBy":
case "ThenByDescending":
case "Take":
case "Skip":
case "First":
case "FirstOrDefault":
case "Last":
case "LastOrDefault":
case "Single":
case "SingleOrDefault":
_properties.Last = membersVisitor._properties.Last;
break;
case "GroupBy":
_properties.Last = membersVisitor._properties.Last;
visitLambda(1, pd =>
{
if (_properties.PropertiesDependences.ContainsKey("Key"))
{
_properties.PropertiesDependences["Key"] = pd;
}
else
{
_properties.PropertiesDependences.Add("Key", pd);
}
});
_properties.ResetLast();
return;
case "Union":
case "Intersect":
membersVisitor = new GetMembersVisitor(this);
membersVisitor.Visit(argumentExpressions[1]);
AddProperties(membersVisitor._properties);
AddProperties(membersVisitor._properties.Last, _properties.Last);
_proceed = true;
return;
default:
applyLast = true;
break;
}
visitLambda(1, pd =>
{
AddProperties(pd);
if (applyLast)
{
_properties.Last = pd.Last;
}
});
break;
case 3:
switch (methodSymbol.Name)
{
case "SelectMany":
var last = membersVisitor._properties.Last;
_properties.Last = last;
var collectionDependence = new PropertyDependence();
visitLambda(1, pd =>
{
AddProperties(pd);
AddProperties(pd, collectionDependence);
});
_properties.ResetLast();
var lambdaExpression = (ParenthesizedLambdaExpressionSyntax)argumentExpressions[2];
var variables = new Dictionary <string, PropertyDependence>(_variables);
var parameter = lambdaExpression.ParameterList.Parameters[0];
if (!variables.ContainsKey(parameter.Identifier.ValueText))
{
variables.Add(parameter.Identifier.ValueText, last);
}
else
{
variables[parameter.Identifier.ValueText] = last;
}
parameter = lambdaExpression.ParameterList.Parameters[1];
if (!variables.ContainsKey(parameter.Identifier.ValueText))
{
variables.Add(parameter.Identifier.ValueText, collectionDependence.Last);
}
else
{
variables[parameter.Identifier.ValueText] = collectionDependence.Last;
}
membersVisitor = new GetMembersVisitor(this, variables);
membersVisitor.Visit(lambdaExpression.Body);
AddProperties(membersVisitor._properties);
_properties.Last = membersVisitor._properties;
_proceed = true;
return;
}
break;
case 5:
switch (methodSymbol.Name)
{
case "Join":
case "GroupJoin":
var last = membersVisitor._properties.Last;
membersVisitor = new GetMembersVisitor(this);
membersVisitor.Visit(argumentExpressions[1]);
AddProperties(membersVisitor._properties);
var joinLast = membersVisitor._properties.Last;
_properties.Last = last;
visitLambda(2, pd => AddProperties(pd));
_proceed = false;
_properties.Last = joinLast;
visitLambda(3, pd => AddProperties(pd));
_proceed = false;
_properties.ResetLast();
var lambdaExpression = (ParenthesizedLambdaExpressionSyntax)argumentExpressions[4];
var variables = new Dictionary <string, PropertyDependence>(_variables);
var parameter = lambdaExpression.ParameterList.Parameters[0];
if (!variables.ContainsKey(parameter.Identifier.ValueText))
{
variables.Add(parameter.Identifier.ValueText, last);
}
else
{
variables[parameter.Identifier.ValueText] = last;
}
parameter = lambdaExpression.ParameterList.Parameters[1];
if (!variables.ContainsKey(parameter.Identifier.ValueText))
{
variables.Add(parameter.Identifier.ValueText, joinLast);
}
else
{
variables[parameter.Identifier.ValueText] = joinLast;
}
membersVisitor = new GetMembersVisitor(this, variables);
membersVisitor.Visit(lambdaExpression.Body);
AddProperties(membersVisitor._properties);
_properties.Last = membersVisitor._properties;
_proceed = true;
return;
}
break;
}
}
}
}
