public override Object Visit(CompoundExpression node, Object obj)
{
CompoundExpression clonedCompoundExpression = new CompoundExpression(node.Location);
for (int i = 0; i < node.ExpressionCount; i++)
{
clonedCompoundExpression.AddExpression((Expression)node.GetExpressionElement(i).Accept(this, obj));
}
return(clonedCompoundExpression);
}
private MethodDefinition CreateMethod(string fullMethodIndentificator, string originalMethodIndentificator, MethodDefinition originalMethodDefinition, TypeExpression[] args, BaseCallExpression node)
{
if (!specilizedMethods.ContainsKey(fullMethodIndentificator))
{
String methodIndentificator = fullMethodIndentificator.Replace(originalMethodDefinition.FullName, originalMethodDefinition.Identifier);
List <MethodDefinition> methods = new List <MethodDefinition>();
foreach (TypeExpression[] listOfArgs in GetTypes(args))
{
String currentMethodIdentificator = MethodIndentificator(originalMethodDefinition.FullName, listOfArgs);
MethodDefinition md;
if (currentMethodIdentificator.Equals(originalMethodIndentificator))
{
md = originalMethodDefinition;
}
else
{
md = SpecilizeMethod(currentMethodIdentificator, originalMethodDefinition, listOfArgs);
}
if (md != null && !methods.Any(m => m.ILTypeExpression.Equals(md.ILTypeExpression)))
{
methods.Add(md);
}
}
MethodType originalMethodType = (MethodType)originalMethodDefinition.TypeExpr;
isCurrentMethodDynamic = IsCurrentMethodDynamic(originalMethodType);
MethodType newMethodType = new MethodType(originalMethodType.Return);
Location location = originalMethodDefinition.IdentifierExp.Location;
SingleIdentifierExpression newSingleIdentifierExpression = new SingleIdentifierExpression(methodIndentificator, location);
Block newBlock = new Block(location);
IList <InvocationExpression> invocations = new List <InvocationExpression>();
IList <CastExpression> castExpressions = new List <CastExpression>();
int methodsCount = 0;
foreach (var methodDefinition in methods)
{
MethodType methodType = (MethodType)methodDefinition.TypeExpr;
IList <IsExpression> isExpressions = new List <IsExpression>();
CompoundExpression compoundExpression = new CompoundExpression(location);
for (int i = 0; i < methodDefinition.ParametersInfo.Count; i++)
{
SingleIdentifierExpression identifier = new SingleIdentifierExpression(methodDefinition.ParametersInfo[i].Identifier, location);
identifier.IndexOfSSA = 0;
if (args[i] is UnionType || (args[i] is TypeVariable && ((TypeVariable)args[i]).Substitution is UnionType))
{
IsExpression isExpression = new IsExpression(identifier,
methodType.GetParameter(i).Freeze().ILType(), location);
isExpression.TypeExpr = methodType.GetParameter(i).Freeze();
isExpressions.Add(isExpression);
CastExpression castExpression = new CastExpression(isExpression.TypeExpr.ILType(),
identifier, location);
castExpressions.Add(castExpression);
castExpression.CastType = isExpression.TypeExpr;
compoundExpression.AddExpression(castExpression);
}
else
{
compoundExpression.AddExpression(identifier);
}
}
Expression condition = isExpressions[0];
if (isExpressions.Count > 1)
{
for (int i = 1; i < isExpressions.Count; i++)
{
condition = new LogicalExpression(condition, isExpressions[i], LogicalOperator.And, location);
}
}
InvocationExpression invocationExpression = new InvocationExpression(methodDefinition.IdentifierExp, compoundExpression, location);
invocations.Add(invocationExpression);
ReturnStatement returnStatement = new ReturnStatement(invocationExpression, location);
if (++methodsCount < methods.Count || isCurrentMethodDynamic)
{
IfElseStatement ifElseStatement = new IfElseStatement(condition, returnStatement, location);
newBlock.AddStatement(ifElseStatement);
}
else if (!isCurrentMethodDynamic)
{
newBlock.AddStatement(returnStatement);
}
}
//If there is any dynamic union type then it is necessary invoke the original method
if (isCurrentMethodDynamic)
{
CompoundExpression compoundExpression = new CompoundExpression(location);
foreach (var parameter in originalMethodDefinition.ParametersInfo)
{
SingleIdentifierExpression identifier = new SingleIdentifierExpression(parameter.Identifier, location);
identifier.IndexOfSSA = 0;
compoundExpression.AddExpression(identifier);
}
newBlock.AddStatement(new ReturnStatement(new InvocationExpression(new SingleIdentifierExpression(originalMethodDefinition.Identifier, location), compoundExpression, location), location));
}
MethodDefinition newMethodDefinition = new MethodDefinition(newSingleIdentifierExpression, newBlock,
originalMethodDefinition.ReturnTypeInfo, originalMethodDefinition.ParametersInfo,
originalMethodDefinition.ModifiersInfo, location);
newMethodDefinition.FullName = fullMethodIndentificator;
newMethodType.MemberInfo = new AccessModifier(originalMethodType.MemberInfo.Modifiers, newSingleIdentifierExpression.Identifier, newMethodType, false);
newMethodType.MemberInfo.Class = originalMethodType.MemberInfo.Class;
newMethodType.MemberInfo.TypeDefinition = originalMethodType.MemberInfo.TypeDefinition;
for (int i = 0; i < originalMethodType.ParameterListCount; i++)
{
newMethodType.AddParameter(args[i].Simplify());
}
newMethodType.ASTNode = newMethodDefinition;
newMethodDefinition.TypeExpr = newMethodType;
newMethodDefinition.TypeExpr.BuildFullName();
newMethodDefinition.TypeExpr.BuildTypeExpressionString(4);
TypeDefinition originalTypeDefinition = newMethodType.MemberInfo.TypeDefinition;
originalTypeDefinition.AddMethod(newMethodDefinition);
UserType originalClass = newMethodType.MemberInfo.Class;
originalClass.AddMember(methodIndentificator, newMethodType.MemberInfo);
newMethodDefinition.Accept(new VisitorSymbolIdentification(null), null);
bool previousDynamism = DynVarOptions.Instance.EverythingDynamic;
DynVarOptions.Instance.EverythingDynamic = false;
newMethodDefinition.Accept(visitorTypeInference, null);
DynVarOptions.Instance.EverythingDynamic = previousDynamism;
foreach (var invocation in invocations)
{
if (invocation.ActualMethodCalled is UnionType)
{
invocation.ActualMethodCalled = ((UnionType)invocation.ActualMethodCalled).TypeSet[1];
}
}
foreach (var castExpression in castExpressions)
{
((SingleIdentifierExpression)castExpression.Expression).FrozenTypeExpression = new ClassType("System.Object");
castExpression.Expression.ExpressionType = new ClassType("System.Object");
}
specilizedMethods.Add(fullMethodIndentificator, newMethodDefinition);
return(newMethodDefinition);
}
return(specilizedMethods[fullMethodIndentificator]);
}