Expression ILiteralEncodingStrategy.Array(EncoderVisitor visitor, IList <LiteralNode> elements)
{
NativeLiteralArrayVisitor arrayVisitor = new NativeLiteralArrayVisitor(visitor);
Expression[] items = new Expression[elements.Count];
for (int i = 0; i < items.Length; i++)
{
items[i] = elements[i].Accept(arrayVisitor);
}
Expression initializer = Expression.NewArrayInit(typeof(object), items);
NativeLiteralArrayVisitor outerArrrayVisitor = visitor.GetNativeLiteralArrayVisitor();
if (outerArrrayVisitor != null)
{
outerArrrayVisitor.HadSymbols = outerArrrayVisitor.HadSymbols | arrayVisitor.HadSymbols;
return(initializer); // Embed in outer array
}
// Root (outer-most) array visitor
if (!arrayVisitor.HadSymbols)
{
return(this.DefineLiteral(visitor, "Array", initializer));
}
// Special handling if the array contains symbols.
FieldInfo field = this.LiteralGenerator.DefineLiteralField("Array", initializer);
ArrayBinderDefinition binder = new ArrayBinderDefinition(field);
return(this.GenerateLiteralCallSite(visitor, binder, "Array"));
}
Expression ILiteralEncodingStrategy.Symbol(EncoderVisitor visitor, string value)
{
NativeLiteralArrayVisitor arrayVisitor = visitor.GetNativeLiteralArrayVisitor();
if (arrayVisitor != null)
{
// If inside a literal array, special handling ... return a SymbolPlaceholder instead.
arrayVisitor.HadSymbols = true;
return(Expression.Convert(Expression.New(NativeLiteralEncodingStrategy.SymbolPlaceholderCtor, Expression.Constant(value, typeof(string))), typeof(object)));
}
SymbolBinderDefinition binder = new SymbolBinderDefinition(value);
return(this.GenerateLiteralCallSite(visitor, binder, value));
}