/// <summary/>
public PhonEnvParser
(Symbols syms,ErrorHandler erh):base(syms,new tokens(erh)) {}
public cs0syntax (Symbols syms,ErrorHandler erh):base(syms,new cs0tokens(erh)) {}
/// <summary/>
public PhonEnvParser
(Symbols syms):base(syms,new tokens()) {}
public cs0syntax (Symbols syms):base(syms,new cs0tokens()) {}
public Sfactory(Symbols syms,string cls_name,SCreator cr)
{
syms.types[cls_name] = cr;
}
public Parser(Symbols syms,Lexer lexer)
{
m_lexer = lexer;
m_symbols = syms;
m_symbols.erh = m_lexer.tokens.erh;
}
public override bool Pass(Symbols syms,int snum, out ParserEntry entry)
{
if (!yyname().Equals("TOKEN")) // derived classes' parsetable do not depend on yytext
return base.Pass(syms,snum,out entry);
//Console.WriteLine("Retrieving Parsetable for literal {0}",m_str);
ParsingInfo pi = (ParsingInfo)syms.literalInfo[m_str];
if (pi==null)
syms.erh.Error(new CSToolsException(10,yylx,m_str,String.Format("Parser does not recognise literal <{0}>",m_str)));
bool r = pi.m_parsetable.Contains(snum);
entry = r?((ParserEntry)pi.m_parsetable[snum]):null;
return r;
}
public virtual bool Pass(Symbols syms,int snum,out ParserEntry entry)
{
ParsingInfo pi = (ParsingInfo)syms.symbolInfo[yyname()];
if (pi==null)
{
string s = string.Format("No parsinginfo for symbol {0}",yyname());
syms.erh.Error(new CSToolsFatalException(9,yylx,yyname(),s));
}
bool r = pi.m_parsetable.Contains(snum);
entry = r?((ParserEntry)pi.m_parsetable[snum]):null;
return r;
}
