public Arguments Clone(CloneContext cloneContext)
{
var clone = new Arguments(_arguments.Count);
clone.AddRange(_arguments.Select(o => Ast.Clone(cloneContext, o)));
return(clone);
}
public InvokeExpression(Expression target, IEnumerable <Argument> arguments)
: this()
{
if (target == null)
{
throw new ArgumentNullException("target");
}
Target = target;
if (arguments != null)
{
Arguments.AddRange(arguments);
}
}
public CallExpression(MethodInfo method, Expression target, IEnumerable <Argument> arguments)
: this()
{
if (method == null)
{
throw new ArgumentNullException("method");
}
if (target == null)
{
throw new ArgumentNullException("target");
}
Method = method;
Target = target;
if (arguments != null)
{
Arguments.AddRange(arguments);
}
}
public CallExpression(string methodName, Expression target, IEnumerable <Argument> arguments)
: this()
{
if (methodName == null)
{
throw new ArgumentNullException("methodName");
}
if (target == null)
{
throw new ArgumentNullException("target");
}
MethodName = methodName;
Target = target;
if (arguments != null)
{
Arguments.AddRange(arguments);
}
}
public void Append(Expression operand)
{
//
// Constant folding
//
var sc = operand as ConstantExpression <string>;
if (sc != null)
{
if (_arguments.Count != 0)
{
var lastArgument = _arguments[_arguments.Count - 1];
var lastExprConstant = lastArgument.Value as ConstantExpression <string>;
if (lastExprConstant != null)
{
lastArgument.Value = new ConstantExpression <string>(
lastExprConstant.Value + sc.Value,
sc.Span);
return;
}
}
}
else
{
//
// Multiple (3+) concatenation are resolved as multiple StringConcat instances
//
var concatOper = operand as ConcatExpression;
if (concatOper != null)
{
_arguments.AddRange(concatOper._arguments);
return;
}
}
_arguments.Add(new Argument(operand));
}
