public Impl(string unnamedParameterRenamePrefix)
{
_unnamedParameterRenamePrefix = unnamedParameterRenamePrefix;
_trie = new SyntaxTrie();
_trie.Add(unnamedParameterRenamePrefix);
_environment = new Stack <Dictionary <ParameterExpression, ParameterExpression> >();
}
/// <summary>
/// Adds an identifier to the syntax trie.
/// </summary>
/// <param name="identifier">Identifier to add.</param>
public void Add(string identifier)
{
if (identifier == null)
{
throw new ArgumentNullException(nameof(identifier));
}
var next = this;
for (int i = 0; i < identifier.Length; i++)
{
var c = identifier[i];
if (!next._trie.TryGetValue(c, out SyntaxTrie t))
{
t = new SyntaxTrie(next, i == identifier.Length - 1);
next._trie[c] = t;
}
next = t;
}
}
private SyntaxTrie(SyntaxTrie parent, bool isTerminal)
{
_trie = new Dictionary <char, SyntaxTrie>();
_parent = parent;
_isTerminal = isTerminal;
}