private Type GetType(UHeaderParser.TypeContext context)
{
var name = context.typeName().GetText();
if (_types.TryGetValue(name, out var val))
{
return(val);
}
if (name.StartsWith("E"))
{
return(Get(context, n => new Enum(n)));
}
if (name.EndsWith("Signature"))
{
return(Get(context, n => new Delegate(n)));
}
return(Get(context, n => new Class(n)));
}
private T Get <T>(UHeaderParser.TypeContext context, Func <string, T> activator) where T : Type
{
var name = context.typeName().GetText();
string templateBaseName = null;
if (name.Contains("<"))
{
templateBaseName = context.typeName().Identifier().First().GetText();
var templateTypes = context.typeName().type();
name = templateBaseName;
name += "__";
name += string.Join(", ", templateTypes.Select(x => x.typeName().Identifier().First().GetText()));
}
if (_types.TryGetValue(name, out var val))
{
if (val is T)
{
return((T)val);
}
throw new InvalidOperationException($"Элемент уже использован как {val.GetType()}");
}
var def = activator(name);
def.TemplateBaseName = templateBaseName;
_types.TryAdd(name, def);
foreach (var nameContext in context.typeName().type())
{
def.TemplateTypes.Add(ParceType(nameContext));
}
return(def);
}
private Variable ParceType(UHeaderParser.TypeContext context)
{
var typeName = context.typeName().GetText();
Variable variable;
if (PrimitiveVariable.PrimitiveTypes.Contains(typeName))
{
variable = new PrimitiveVariable(typeName);
}
else
{
var type = GetType(context);
if (type is Class)
{
variable = new ClassVariable((Class)type);
}
else if (type is Delegate)
{
variable = new DelegateVariable((Delegate)type);
}
else if (type is Enum)
{
variable = new EnumVariable((Enum)type);
}
else
{
throw new InvalidOperationException();
}
}
variable.IsConst = context.FoundChild <UHeaderParser.IsConstContext>();
variable.IsPointer = context.FoundChild <UHeaderParser.IsPtrQuantContext>();
variable.IsReference = context.FoundChild <UHeaderParser.IsRefQuantContext>();
variable.IsInterface = typeName.StartsWith("I");
return(variable);
}
/// <summary>
/// Visit a parse tree produced by <see cref="UHeaderParser.type"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitType([NotNull] UHeaderParser.TypeContext context)
{
return(VisitChildren(context));
}
