private PatternMatchProgress(SemanticPattern pattern, int currentPatternPart, MatchElement[][] varBuffers, PatternMatchProgress[][] varSubstitutions)
{
Pattern = pattern;
_currentPatternPart = currentPatternPart;
_varSubstitutions = varSubstitutions;
_varBuffers = varBuffers; // we don't need copying because ctor is private
}
internal MatchElement(SemanticPattern pattern, Dictionary <string, MatchElement> substitutions)
{
Pattern = pattern;
foreach (var substitution in substitutions)
{
var child = substitution.Value;
var variable = substitution.Key;
registerChild(child);
_substitutions.Add(variable, child);
}
Token = Substitute(Pattern.Representation);
}
internal void AddPattern(SemanticPattern pattern)
{
_patterns.Add(pattern);
}
internal PatternMatchProgress(SemanticPattern pattern, MatchElement[] tokens)
{
Pattern = pattern;
_varBuffers = new MatchElement[Pattern.PartCount][];
_varSubstitutions = new PatternMatchProgress[_varBuffers.Length][];
}
internal MatchElement(string token)
{
Token = token;
Pattern = SemanticPattern.Raw(Token);
}