public Rule(TItem name, AstNode body, string ovr)
{
this.Name = name;
this.Body = body;
this.Override = ovr;
Items = new List<TItem> { name };
Children = new List<AstNode> { body };
}
public Star(AstNode body)
{
this.Body = body;
Children = new List<AstNode> { body };
}
public GrammarFile(AstNode preamble, AstNode grammar)
{
this.Preamble = preamble as Preamble;
this.Grammar = grammar as Grammar;
Children = new List<AstNode> { grammar };
}
public Or(AstNode left, AstNode right)
{
this.Left = left;
this.Right = right;
Children = new List<AstNode> { left, right };
}
public Fail(AstNode message)
{
if (message != null)
this.Message = message.GetText().Trim();
}
public Cond(AstNode body, TItem exp)
{
this.Body = body;
this.Expression = exp;
Children = new List<AstNode> { body };
Items = new List<TItem> { exp };
}
public static char GetChar(AstNode node)
{
if (node != null)
{
string str = node.GetText().Trim('\'').Trim();
str = Regex.Unescape(str);
foreach (char ch in str)
return ch;
}
return (char)0;
}
public Bind(AstNode body, TItem varname)
{
this.Body = body;
this.VarName = varname;
Children = new List<AstNode> { body };
Items = new List<TItem> { varname };
}
public Args(AstNode parms, AstNode body)
{
this.Parms = parms;
this.Body = body;
Children = new List<AstNode> { body };
}
