public YyLexer(ErrorHandler eh)
{
this.erh = eh;
this.UsingCat(UnicodeCategory.OtherPunctuation);
this.m_gencat = UnicodeCategory.OtherPunctuation;
Tfactory tfactory = new Tfactory(this, "TOKEN", new TCreator(this.Tokenfactory));
}
public void Check(Lexer yyl, ref TOKEN tok)
{
string str = tok.yytext;
if (m_upper)
{
str = str.ToUpper();
}
object o = m_wds[str];
if (o == null)
{
return;
}
tok = (TOKEN)Tfactory.create((string)o, yyl);
}
public void Check(Lexer yyl, ref TOKEN tok)
{
string str = tok.yytext;
if (this.m_upper)
{
str = str.ToUpper();
}
object wd = this.m_wds[(object)str];
if (wd == null)
{
return;
}
tok = (TOKEN)Tfactory.create((string)wd, yyl);
}
bool TryActions(Dfa dfa, ref TOKEN tok)
{
int len = m_pch - m_startMatch;
if (len == 0)
{
return(false);
}
if (m_startMatch + len <= m_buf.Length)
{
yytext = m_buf.Substring(m_startMatch, len);
}
else // can happen with {EOF} rules
{
yytext = m_buf.Substring(m_startMatch);
}
// actions is a list of old-style actions for this DFA in order of priority
// there is a list because of the chance that any of them may REJECT
Dfa.Action a = dfa.m_actions;
bool reject = true;
while (reject && a != null)
{
int action = a.a_act;
reject = false;
a = a.a_next;
if (a == null && dfa.m_tokClass != "")
{ // last one might not be an old-style action
if (m_debug)
{
Console.WriteLine("creating a " + dfa.m_tokClass);
}
tok = (TOKEN)Tfactory.create(dfa.m_tokClass, this);
}
else
{
tok = m_tokens.OldAction(this, ref yytext, action, ref reject);
if (m_debug && !reject)
{
Console.WriteLine("Old action " + action);
}
}
}
return(!reject);
}
private bool TryActions(Dfa dfa, ref TOKEN tok)
{
int length = this.m_pch - this.m_startMatch;
if (length == 0)
{
return(false);
}
this.yytext = this.m_startMatch + length > this.m_buf.Length ? this.m_buf.Substring(this.m_startMatch) : this.m_buf.Substring(this.m_startMatch, length);
Dfa.Action action = dfa.m_actions;
bool reject = true;
while (reject && action != null)
{
int aAct = action.a_act;
reject = false;
action = action.a_next;
if (action == null && dfa.m_tokClass != "")
{
if (this.m_debug)
{
Console.WriteLine("creating a " + dfa.m_tokClass);
}
tok = (TOKEN)Tfactory.create(dfa.m_tokClass, this);
}
else
{
tok = this.m_tokens.OldAction(this, ref this.yytext, aAct, ref reject);
if (this.m_debug && !reject)
{
Console.WriteLine("Old action " + (object)aAct);
}
}
}
return(!reject);
}