//
// Creates mcs expression from dynamic object
//
public Compiler.Expression CreateCompilerExpression (CSharpArgumentInfo info, DynamicMetaObject value)
{
//
// No type details provider, go with runtime type
//
if (info == null) {
if (value.LimitType == typeof (object))
return new Compiler.NullLiteral (Compiler.Location.Null);
return new Compiler.RuntimeValueExpression (value, ImportType (value.RuntimeType));
}
//
// Value is known to be a type
//
if ((info.Flags & CSharpArgumentInfoFlags.IsStaticType) != 0)
return new Compiler.TypeExpression (ImportType ((Type) value.Value), Compiler.Location.Null);
if (value.Value == null &&
(info.Flags & (CSharpArgumentInfoFlags.IsOut | CSharpArgumentInfoFlags.IsRef | CSharpArgumentInfoFlags.UseCompileTimeType)) == 0 &&
value.LimitType == typeof (object)) {
return new Compiler.NullLiteral (Compiler.Location.Null);
}
//
// Use compilation time type when type was known not to be dynamic during compilation
//
Type value_type = (info.Flags & CSharpArgumentInfoFlags.UseCompileTimeType) != 0 ? value.Expression.Type : value.LimitType;
var type = ImportType (value_type);
if ((info.Flags & CSharpArgumentInfoFlags.Constant) != 0) {
var c = Compiler.Constant.CreateConstantFromValue (type, value.Value, Compiler.Location.Null);
//
// It can be null for misused Constant flag
//
if (c != null)
return c;
}
return new Compiler.RuntimeValueExpression (value, type);
}