/// <summary>
/// Performs a pattern-matching operation
/// </summary>
/// <param name="Branch">Branch to examine</param>
/// <param name="Value">Value to examine against</param>
/// <param name="Variables">Current set of variables where corresponding variable references will be set.</param>
/// <param name="Node">Node performing pattern matching operation.</param>
public static void Match(ScriptNode Branch, IElement Value, Variables Variables, ScriptNode Node)
{
Dictionary <string, IElement> AlreadyFound = new Dictionary <string, IElement>();
switch (Branch.PatternMatch(Value, AlreadyFound))
{
case PatternMatchResult.Match:
foreach (KeyValuePair <string, IElement> P in AlreadyFound)
{
Variables[P.Key] = P.Value;
}
break;
case PatternMatchResult.NoMatch:
throw new ScriptRuntimeException("Pattern mismatch.", Node);
case PatternMatchResult.Unknown:
default:
throw new ScriptRuntimeException("Unable to compute pattern match.", Node);
}
}
