/// <summary>
/// Initializes this rule
/// </summary>
/// <param name='head'>The rule's head</param>
/// <param name='headAction'>Whether this rule is generated</param>
/// <param name='body'>The rule's body</param>
/// <param name='context'>The lexical context pushed by this rule</param>
public Rule(Variable head, TreeAction headAction, RuleBody body, int context)
{
this.head = head;
this.headAction = headAction;
this.body = body;
this.context = context;
}
/// <summary>
/// Produces the concatenation of the left and right bodies
/// </summary>
/// <param name='left'>The left rule body</param>
/// <param name='right'>The right rule body</param>
public static RuleBody Concatenate(RuleBody left, RuleBody right)
{
RuleBody result = new RuleBody();
result.parts.AddRange(left.parts);
result.parts.AddRange(right.parts);
return(result);
}
/// <summary>
/// Determines whether the specified <see cref="System.Object"/> is equal to the current <see cref="Hime.SDK.Grammars.RuleBody"/>.
/// </summary>
/// <param name='obj'>
/// The <see cref="System.Object"/> to compare with the current <see cref="Hime.SDK.Grammars.RuleBody"/>.
/// </param>
/// <returns>
/// <c>true</c> if the specified <see cref="System.Object"/> is equal to the current
/// <see cref="Hime.SDK.Grammars.RuleBody"/>; otherwise, <c>false</c>.
/// </returns>
public override bool Equals(object obj)
{
RuleBody temp = obj as RuleBody;
if (temp == null)
{
return(false);
}
if (parts.Count != temp.parts.Count)
{
return(false);
}
for (int i = 0; i != parts.Count; i++)
{
if (!parts[i].Equals(temp.parts[i]))
{
return(false);
}
}
return(true);
}
