private bool GetValue <T>(MessageContext ctxt, CCI.AttributeList attributes, CCI.TypeNode attrType, IProperty <T> property, ref T value)
{
var found = 0;
foreach (var attribute in attributes)
{
if (IsAttribute(attribute, attrType))
{
var thisValue = default(T);
if (GetValue(ctxt, attribute, attrType, property, ref thisValue))
{
if (found++ == 0)
{
value = thisValue;
}
else
{
if (!thisValue.Equals(value))
{
env.Log(new InvalidInteropMessage
(RewriterMsgContext.AttributeProperty(ctxt, attribute, property.Name),
"duplicate inconsistent bindings"));
throw new DefinitionException();
}
}
}
}
}
return(found > 0);
}
public bool GetValue <T>(MessageContext ctxt, CCI.AttributeNode attribute, CCI.TypeNode attrType, IProperty <T> property, ref T value)
{
var expr = default(CCI.Literal);
if (property.Position >= 0)
{
expr = attribute.GetPositionalArgument(property.Position) as CCI.Literal;
}
if (expr == null)
{
expr = attribute.GetNamedArgument(CCI.Identifier.For(property.Name)) as CCI.Literal;
}
if (expr != null)
{
value = property.Value(RewriterMsgContext.AttributeProperty(ctxt, attribute, property.Name), expr.Value);
return(true);
}
else
{
return(false);
}
}