private IEnumerable <CSharpClassMember> CreateSingletons(ContainerRegistrationMethod registration)
{
var members = new List <CSharpClassMember>();
var binding = registration.Binding;
var fieldName = binding.GetSingletonFieldName();
var field = new CSharpField(binding, fieldName, false);
members.Add(field);
var condition = new CSharpBinaryStatement(new CSharpSymbol(fieldName), CSharpSymbol.NULL, "==");
var statements = new CSharpStatement[] {
new CSharpBinaryStatement(new CSharpSymbol(fieldName), new CSharpInvoke(registration.FactoryMethod, new CSharpStatement[0]), "=", true),
};
var ifStatement = new CSharpIf(condition, statements);
var resolveBody = new CSharpStatement[] {
ifStatement,
new CSharpReturn(new CSharpSymbol(fieldName))
};
var resolveName = binding.GetResolveNameBind();
var resolveMethod = new CSharpClassMethod(binding, resolveName,
new MethodParameter[0], false, resolveBody);
members.Add(resolveMethod);
return(members);
}
private IEnumerable <CSharpClassMember> CreateMainResolver(ContainerFactory builderInstance)
{
var members = new List <CSharpClassMember>();
var tableType = typeof(IDictionary <Type, Func <object> >);
var tableTypeImpl = typeof(Dictionary <Type, Func <object> >);
var field = new CSharpField(tableType, "_ResolveTable", false);
members.Add(field);
var initStatements = new List <CSharpStatement>();
var initField = new CSharpBinaryStatement(new CSharpSymbol("_ResolveTable"),
new CSharpNewObject(tableTypeImpl, new CSharpStatement[0]), "=", true);
initStatements.Add(initField);
foreach (var registration in builderInstance.Registrations)
{
var leftInit = new CSharpSymbol($"_ResolveTable[typeof({registration.Binding.GetRightFullName()})]");
var rightInit = new CSharpSymbol($"(Func<object>){registration.Binding.GetResolveNameBind()}");
var resolverRow = new CSharpBinaryStatement(leftInit, rightInit, "=", true);
initStatements.Add(resolverRow);
}
var ifStatement =
new CSharpIf(new CSharpBinaryStatement(new CSharpSymbol("_ResolveTable"), CSharpSymbol.NULL, "=="),
initStatements);
var throwStatement = new CSharpThrowStatement(new CSharpNewObject(typeof(StatorUnresolvedException),
new[] { new CSharpSymbol("target") }));
var resultVariable =
new CSharpInitVariable(null, "result", new CSharpInvoke("resolver", new CSharpStatement[0]));
var checkStatement =
new CSharpIf(
new CSharpInvoke("_ResolveTable.TryGetValue",
new CSharpStatement[] { new CSharpSymbol("target"), new CSharpSymbol("out var resolver") }),
new CSharpStatement[] { resultVariable, new CSharpReturn(new CSharpSymbol("result")) });
var statements = new List <CSharpStatement>();
statements.Add(ifStatement);
statements.Add(checkStatement);
statements.Add(throwStatement);
var resolveMethod = new CSharpClassMethod(typeof(object), nameof(ContainerFactory.Resolve),
new MethodParameter[] { new MethodParameter(typeof(Type), "target") },
true, statements, new[] { "override" });
members.Add(resolveMethod);
return(members);
}