internal bool AddNfaNode(NfaNode nfa)
{
if (!m_nfa.Add(nfa))
{
return(false);
}
if (nfa.m_sTerminal != "")
{
int qi, n = 0;
string tokClass = "";
string p = nfa.m_sTerminal;
if (p[0] == '%')
{ // check for %Tokname special action
for (n = 0, qi = 1; qi < p.Length; qi++, n++) // extract the class name
{
if (p[qi] == ' ' || p[qi] == '\t' || p[qi] == '\n' || p[qi] == '{' || p[qi] == ':')
{
break;
}
}
tokClass = nfa.m_sTerminal.Substring(1, n);
}
// check for ResWds machinery // 4.7
if (n > 0 && n + 1 < p.Length)
{
string st = nfa.m_sTerminal.Substring(n + 1).Trim();
if (st.Length > 0)
{
if (st.StartsWith("%except"))
{
m_reswds = nfa.m_state;
m_tks.m_tokens.reswds[nfa.m_state] = ResWds.New(m_tks, st.Substring(7));
}
}
}
// special action is always last in the list
if (tokClass == "")
{ //nfa has an old action
if (m_tokClass == "" // if both are old-style
|| // or we have a special action that is later
(m_actions.a_act) > nfa.m_state) // m_actions has at least one entry
{
AddAction(nfa.m_state);
}
// else we have a higher-precedence special action so we do nothing
}
else if (m_actions == null || m_actions.a_act > nfa.m_state)
{
MakeLastAction(nfa.m_state);
m_tokClass = tokClass;
} // else we have a higher-precedence special action so we do nothing
}
return(true);
}
internal bool AddNfaNode(NfaNode nfa)
{
if (!this.m_nfa.Add(nfa))
{
return(false);
}
if (nfa.m_sTerminal != "")
{
int length = 0;
string str1 = "";
string sTerminal = nfa.m_sTerminal;
if (sTerminal[0] == '%')
{
length = 0;
int index = 1;
while (index < sTerminal.Length && (sTerminal[index] != ' ' && sTerminal[index] != '\t') && (sTerminal[index] != '\n' && sTerminal[index] != '{' && sTerminal[index] != ':'))
{
++index;
++length;
}
str1 = nfa.m_sTerminal.Substring(1, length);
}
if (length > 0 && length + 1 < sTerminal.Length)
{
string str2 = nfa.m_sTerminal.Substring(length + 1).Trim();
if (str2.Length > 0 && str2.StartsWith("%except"))
{
this.m_reswds = nfa.m_state;
this.m_tks.m_tokens.reswds[(object)nfa.m_state] = (object)ResWds.New(this.m_tks, str2.Substring(7));
}
}
if (str1 == "")
{
if (this.m_tokClass == "" || this.m_actions.a_act > nfa.m_state)
{
this.AddAction(nfa.m_state);
}
}
else if (this.m_actions == null || this.m_actions.a_act > nfa.m_state)
{
this.MakeLastAction(nfa.m_state);
this.m_tokClass = str1;
}
}
return(true);
}
public static object Serialise(object o, Serialiser s)
{
if (s == null)
{
return(new ResWds());
}
ResWds r = (ResWds)o;
if (s.Encode)
{
s.Serialise(r.m_upper);
s.Serialise(r.m_wds);
return(null);
}
r.m_upper = (bool)s.Deserialise();
r.m_wds = (Hashtable)s.Deserialise();
return(r);
}
public static ResWds New(TokensGen tks, string str)
{
ResWds r = new ResWds();
str = str.Trim();
if (str[0] == 'U')
{
r.m_upper = true;
str = str.Substring(1).Trim();
}
if (str[0] != '{' || str[str.Length - 1] != '}')
{
goto bad;
}
str = str.Substring(1, str.Length - 2).Trim();
string[] wds = str.Split(',');
for (int j = 0; j < wds.Length; j++)
{
string w = wds[j].Trim();
string a = w;
int i = w.IndexOf(' ');
if (i > 0)
{
a = w.Substring(i).Trim();
w = w.Substring(0, i);
}
r.m_wds[w] = a;
if (tks.m_tokens.tokens[a] == null)
{
TokClassDef t = new TokClassDef(tks, a, "TOKEN");
tks.m_outFile.WriteLine("//%{0}+{1}", a, t.m_yynum);
tks.m_outFile.Write("public class {0} : TOKEN", a);
tks.m_outFile.WriteLine("{ public override string yyname { get { return \"" + a + "\";}}");
tks.m_outFile.WriteLine("public override int yynum { get { return " + t.m_yynum + "; }}");
tks.m_outFile.WriteLine(" public " + a + "(Lexer yyl):base(yyl) {}}");
}
}
return(r);
bad:
tks.m_tokens.erh.Error(new CSToolsException(47, "bad ResWds element"));
return(null);
}
public static ResWds New(TokensGen tks, string str)
{
ResWds resWds = new ResWds();
str = str.Trim();
if (str[0] == 'U')
{
resWds.m_upper = true;
str = str.Substring(1).Trim();
}
if (str[0] == '{' && str[str.Length - 1] == '}')
{
str = str.Substring(1, str.Length - 2).Trim();
string str1 = str;
char[] chArray = new char[1] {
','
};
foreach (string str2 in str1.Split(chArray))
{
string str3 = str2.Trim();
string name = str3;
int num = str3.IndexOf(' ');
if (num > 0)
{
name = str3.Substring(num).Trim();
str3 = str3.Substring(0, num);
}
resWds.m_wds[(object)str3] = (object)name;
if (tks.m_tokens.tokens[(object)name] == null)
{
TokClassDef tokClassDef = new TokClassDef((GenBase)tks, name, "TOKEN");
tks.m_outFile.WriteLine("//%{0}+{1}", (object)name, (object)tokClassDef.m_yynum);
tks.m_outFile.Write("public class {0} : TOKEN", (object)name);
tks.m_outFile.WriteLine("{ public override string yyname { get { return \"" + name + "\";}}");
tks.m_outFile.WriteLine("public override int yynum { get { return " + (object)tokClassDef.m_yynum + "; }}");
tks.m_outFile.WriteLine(" public " + name + "(Lexer yyl):base(yyl) {}}");
}
}
return(resWds);
}
tks.m_tokens.erh.Error(new CSToolsException(47, "bad ResWds element"));
return((ResWds)null);
}
/// <exclude/>
public static ResWds New(TokensGen tks,string str)
{
ResWds r = new ResWds();
str = str.Trim();
if (str[0]=='U')
{
r.m_upper = true;
str = str.Substring(1).Trim();
}
if (str[0]!='{' || str[str.Length-1]!='}')
goto bad;
str = str.Substring(1,str.Length-2).Trim();
string[] wds = str.Split(',');
for (int j=0;j<wds.Length;j++)
{
string w = wds[j].Trim();
string a = w;
int i = w.IndexOf(' ');
if (i>0)
{
a = w.Substring(i).Trim();
w = w.Substring(0,i);
}
r.m_wds[w] = a;
if (tks.m_tokens.tokens[a]==null)
{
TokClassDef t = new TokClassDef(tks,a,"TOKEN");
tks.m_outFile.WriteLine("//%{0}+{1}",a,t.m_yynum);
tks.m_outFile.Write("public class {0} : TOKEN",a);
tks.m_outFile.WriteLine("{ public override string yyname { get { return \""+a+"\";}}");
tks.m_outFile.WriteLine("public override int yynum { get { return "+t.m_yynum+"; }}");
tks.m_outFile.WriteLine(" public "+a+"(Lexer yyl):base(yyl) {}}");
}
}
return r;
bad:
tks.m_tokens.erh.Error(new CSToolsException(47,"bad ResWds element"));
return null;
}
