public static void BuildParseTable(Transition t)
{
YyParser symbols = t.m_ps.m_sgen.m_symbols;
ParsingInfo parsingInfo = t.ParsingInfo;
ParserReduce parserReduce1 = (ParserReduce)null;
foreach (ParserReduce parserReduce2 in (IEnumerable)t.m_reduce.Values)
{
if ((!t.m_ps.m_sgen.m_lalrParser ? (parserReduce2.m_prod.m_lhs.m_follow.Contains(t.m_A) ? 1 : 0) : (parserReduce2.m_lookAhead.Contains(t.m_A) ? 1 : 0)) != 0)
{
if (parserReduce1 != null)
{
symbols.erh.Error(new CSToolsException(12, string.Format("reduce/reduce conflict {0} vs {1}", (object)parserReduce1.m_prod.m_pno, (object)parserReduce2.m_prod.m_pno) + string.Format(" state {0} on {1}", (object)t.m_ps.m_state, (object)t.m_A.yytext)));
}
parserReduce1 = parserReduce2;
}
}
if (t.m_next != null && t.m_A != symbols.EOFSymbol)
{
if (parserReduce1 == null)
{
parsingInfo.m_parsetable[(object)t.m_ps.m_state] = (object)t.m_next;
}
else
{
switch (t.m_A.ShiftPrecedence(parserReduce1.m_prod, t.m_ps))
{
case Precedence.PrecType.left:
parsingInfo.m_parsetable[(object)t.m_ps.m_state] = (object)t.m_next;
break;
case Precedence.PrecType.right:
parsingInfo.m_parsetable[(object)t.m_ps.m_state] = (object)parserReduce1;
break;
}
}
}
else
{
if (parserReduce1 == null)
{
return;
}
parsingInfo.m_parsetable[(object)t.m_ps.m_state] = (object)parserReduce1;
}
}
public new static object Serialise(object o, Serialiser s)
{
if (s == null)
{
return((object)new ParserReduce());
}
ParserReduce parserReduce = (ParserReduce)o;
if (s.Encode)
{
ParserEntry.Serialise((object)parserReduce, s);
s.Serialise((object)parserReduce.m_depth);
s.Serialise((object)parserReduce.m_prod);
return((object)null);
}
ParserEntry.Serialise((object)parserReduce, s);
parserReduce.m_depth = (int)s.Deserialise();
parserReduce.m_prod = (Production)s.Deserialise();
return((object)parserReduce);
}
public void ReduceStates()
{
for (ProdItemList prodItemList = this.m_items; prodItemList.m_pi != null; prodItemList = prodItemList.m_next)
{
ProdItem pi = prodItemList.m_pi;
if (pi.Next() == null)
{
Production prod = pi.m_prod;
if (prod.m_pno != 0)
{
int count = prod.m_rhs.Count;
CSymbol rh;
ParserReduce parserReduce;
if (count > 0 && (rh = (CSymbol)prod.m_rhs[count - 1]) != null && rh.IsAction())
{
ParserAction action = (ParserAction)rh;
action.m_len = count;
parserReduce = new ParserReduce(action, count - 1, prod);
}
else
{
this.m_sgen.m_lexer.yytext = "%" + prod.m_lhs.yytext;
this.m_sgen.m_prod = prod;
ParserSimpleAction parserSimpleAction = new ParserSimpleAction(this.m_sgen);
parserSimpleAction.m_sym = prod.m_lhs;
parserSimpleAction.m_len = count;
parserReduce = new ParserReduce((ParserAction)parserSimpleAction, count, prod);
}
foreach (CSymbol key in (IEnumerable)pi.m_prod.m_lhs.m_follow.Keys)
{
this.GetTransition(key).m_reduce[(object)prod] = (object)parserReduce;
}
}
}
}
}
public void ReduceStates()
{
ProdItemList pil;
for (pil=m_items; pil.m_pi!=null; pil=pil.m_next)
{
ProdItem item = pil.m_pi;
CSymbol s = item.Next();
if (s==null)
{ // item is a reducing item
Production rp = item.m_prod;
if (rp.m_pno==0) // except for production 0: S'->S-|
continue;
// reduce item: deal with it
int n = rp.m_rhs.Count;
CSymbol a;
ParserReduce pr;
if (n>0 && (a=(CSymbol)rp.m_rhs[n-1])!=null && a.IsAction())
{
ParserAction pa = (ParserAction)a;
pa.m_len = n;
pr = new ParserReduce(pa,n-1,rp);
}
else
{
m_sgen.m_lexer.yytext = "%"+rp.m_lhs.yytext;
m_sgen.m_prod = rp;
ParserSimpleAction sa = new ParserSimpleAction(m_sgen);
sa.m_sym = (CSymbol)rp.m_lhs;
sa.m_len = n;
pr = new ParserReduce(sa,n,rp);
}
foreach (CSymbol ss in item.m_prod.m_lhs.m_follow.Keys)
GetTransition(ss).m_reduce[rp]=pr;
}
}
}
