private GrammarBuilder Productions(ParseTree.ProductionList prodList)
{
var ruleId = 0;
TypeTable.Write("types.txt");
foreach (var prod in prodList)
{
symbols.TryGetValue(prod.Name.Value, out var id, out var isTerminal);
foreach (var definition in prod.Definitions)
{
var terms = definition.Build(this);
var reduceContext = new ReduceContext(
TypeTable,
terms,
definition.Action,
noAction,
id);
var reduction = terms.Reduction(reduceContext);
var production = new Production(
prod.Name,
id,
ruleId++,
terms,
reduction);
productions.Add(production);
}
}
return(this);
}
public static IReduceExpr[] CreateArgs(this ITerminals terminals, ReduceContext context)
{
var result = new IReduceExpr[terminals.Length];
for (var i = 0; i < result.Length; i++)
{
result[i] = terminals[i].Reduce(context);
}
return(result);
}
public IReduceExpr Reduce(ReduceContext context) => context.TryFindType(Name, out var type) ? new ReduceCastedArgExpr(0, type !) :
public abstract IReduceExpr Reduce(ReduceContext context);
public override IReduceExpr Reduce(ReduceContext context) => new ReduceNullExpr();