public override void LeaveMethodInvocationExpression(Boo.Lang.Compiler.Ast.MethodInvocationExpression node)
{
ICallableType callable = node.Target.ExpressionType as ICallableType;
if (callable != null)
{
CallableSignature signature = callable.GetSignature();
if (!signature.AcceptVarArgs)
{
return;
}
ExpandInvocation(node, signature.Parameters);
return;
}
IMethod method = TypeSystemServices.GetOptionalEntity(node.Target) as IMethod;
if (null == method || !method.AcceptVarArgs)
{
return;
}
ExpandInvocation(node, method.GetParameters());
}
private object GetLiteral(Expression expression)
{
switch (expression.NodeType)
{
case NodeType.CastExpression:
return(GetLiteral(((CastExpression)expression).Target));
case NodeType.IntegerLiteralExpression:
return(((IntegerLiteralExpression)expression).Value);
}
IField field = TypeSystemServices.GetOptionalEntity(expression) as IField;
if (field == null)
{
return(null);
}
if (!field.IsLiteral)
{
return(null);
}
return(field.StaticValue);
}
private bool IsLastArgumentOfVarArgInvocation(UnaryExpression node)
{
MethodInvocationExpression parent = node.ParentNode as MethodInvocationExpression;
if (null == parent)
{
return(false);
}
if (parent.Arguments.Count == 0 || node != parent.Arguments[-1])
{
return(false);
}
ICallableType type = parent.Target.ExpressionType as ICallableType;
if (null != type)
{
return(type.GetSignature().AcceptVarArgs);
}
IMethod method = TypeSystemServices.GetOptionalEntity(parent.Target) as IMethod;
return(null != method && method.AcceptVarArgs);
}
override public void OnReferenceExpression(ReferenceExpression node)
{
IExternalEntity member = TypeSystemServices.GetOptionalEntity(node) as IExternalEntity;
if (member == null)
{
return;
}
System.Attribute[] attributes = System.Attribute.GetCustomAttributes(member.MemberInfo, typeof(ObsoleteAttribute));
foreach (ObsoleteAttribute attr in attributes)
{
if (attr.IsError)
{
Errors.Add(
CompilerErrorFactory.Obsolete(node, member.ToString(), attr.Message));
}
else
{
Warnings.Add(
CompilerWarningFactory.Obsolete(node, member.ToString(), attr.Message));
}
}
}
public bool Matches(Node node)
{
return(_entity == TypeSystemServices.GetOptionalEntity(node));
}