public bool TryGetContextLazy(INamedTypeSymbol contextSymbol, out ContextSymbolWrapper context)
{
if (!contexts.TryGetValue(contextSymbol, out context))
{
return(TryCacheContext(contextSymbol, out context));
}
return(true);
}
public bool Init(GenerationEnvironment env)
{
// 1. Lookup the type of the context. It is the most nested generic type of the index type.
var contextType = (INamedTypeSymbol)symbol.Type.GetLeafTypeArguments().First();
// 2. See if that context has already been cached in the environment.
// 3. Initialize the context if it is not found.
if (!env.TryGetContextLazy(contextType, out var context))
{
return(false);
}
Context = context;
return(true);
}
public bool TryInitActivationContext(GenerationEnvironment env, out ContextSymbolWrapper context)
{
// Initialize the context class symbol wrapper
var ctx_symbol = symbol.GetMembers().FirstOrDefault(s => s.Name == "Context");
if (ctx_symbol == null)
{
env.ReportError($"The {symbol.Name} behavior did not define a nested Context class.\nNote: Any behavior must define a Context class. If you do not have any chains in the behavior, make it a simple component. Behaviors by design differ from components in that they exploit chains.");
context = default;
return(false);
}
if (!(ctx_symbol is INamedTypeSymbol named_ctx_symbol))
{
env.ReportError($"The Context defined inside {symbol.Name} must be a class");
context = default;
return(false);
}
return(env.TryCacheContext(named_ctx_symbol, out context));
}
public bool TryCacheContext(INamedTypeSymbol contextSymbol, out ContextSymbolWrapper context)
{
context = new ContextSymbolWrapper(contextSymbol);
return(context.TryInit(this));
}
public BehaviorActivationChainWrapper(string name, INamedTypeSymbol parentSymbol, ContextSymbolWrapper context)
{
Name = name;
Parent = parentSymbol;
Context = context;
}