/// <summary>
/// Creates a new rule.
/// </summary>
/// <param name="id">Id of this rule.</param>
/// <param name="lhs">Left hand side. The other symbols can be reduced to
/// this symbol.</param>
/// <param name="rhs">The right hand side. The symbols that can be reduced.</param>
public Rule(int id, SymbolNonterminal lhs, Symbol[] rhs)
{
this.id = id;
this.lhs = lhs;
this.rhs = rhs;
}
public Action this[Symbol symbol]
{
get { return Get(symbol);}
}
private RuleCollection CreateRules(CGTContent content)
{
RuleCollection rules = new RuleCollection();
foreach (RuleRecord ruleRecord in content.RuleTable)
{
SymbolNonterminal lhs = symbols[ruleRecord.Nonterminal] as SymbolNonterminal;
//todo: exception handling?
Symbol[] rhs = new Symbol[ruleRecord.Symbols.Count];
for (int i = 0; i< rhs.Length; i++)
{
rhs[i] = symbols[ruleRecord.Symbols[i]];
}
Rule rule = new Rule(ruleRecord.Index,lhs,rhs);
rules.Add(rule);
}
return rules;
}
public Action Get(Symbol symbol)
{
return table[symbol] as Action;
}
public void Add(Symbol symbol)
{
list.Add(symbol);
}