private static ITokenItem ResolveTokenExpressionItem(this ITokenItem item, IOilexerGrammarTokenEntry entry, OilexerGrammarFile file, ICompilerErrorCollection errors)
{
if (item is ITokenGroupItem)
{
((ITokenGroupItem)(item)).ResolveTokenExpressionSeries(entry, file, errors);
return item;
}
else if (item is ISoftReferenceTokenItem)
{
return ((ISoftReferenceTokenItem)(item)).ResolveSoftReference(entry, file, errors);
}
else if (item is ICommandTokenItem)
{
((ICommandTokenItem)(item)).ResolveSoftReference(entry, file, errors);
return item;
}
else if (item is ILiteralStringTokenItem)
{
ILiteralStringTokenItem ilsti = ((ILiteralStringTokenItem)item);
if (ilsti.Value.Length == 1)
{
LiteralCharTokenItem result = new LiteralCharTokenItem(ilsti.Value[0], ilsti.CaseInsensitive, ilsti.Column, ilsti.Line, ilsti.Position);
((LiteralStringTokenItem)(item)).CloneData(result);
return result;
}
}//*/
return item;
}
public static IProductionRuleItem Deliteralize(this ILiteralProductionRuleItem ruleItem, IOilexerGrammarProductionRuleEntry currentEntry, IList <IOilexerGrammarTokenEntry> availableStock, OilexerGrammarFile file, ICompilerErrorCollection errors)
{
if (ruleItem is ILiteralCharProductionRuleItem)
{
return(Deliteralize <char, ILiteralCharTokenItem>(((ILiteralCharProductionRuleItem)(ruleItem)), currentEntry, availableStock, file,
literal =>
{
LiteralCharTokenItem result = new LiteralCharTokenItem(literal.Value, ((ILiteralCharProductionRuleItem)(literal)).CaseInsensitive, literal.Column, literal.Line, literal.Position);
if (literal.Name != null && literal.Name != string.Empty)
{
result.Name = literal.Name;
}
else
{
result.Name = ExtractName(result.Value);
}
return result;
},
(literal, destination) =>
{
if (destination.Name != "__EXTRACTIONS" &&
(destination.Branches.Count == 1 &&
destination.Branches[0].Count == 1))
{
return new TokenReferenceProductionRuleItem(destination, literal.Column, literal.Line, literal.Position);
}
else if (!(literal.Name != null && literal.Name != string.Empty))
{
literal.Name = ExtractName(literal.Value);
}
return new LiteralCharReferenceProductionRuleItem((ILiteralCharTokenItem)literal, destination, literal.Column, literal.Line, literal.Position, ruleItem.Flag, ruleItem.Counter);
}, errors));
}
else if (ruleItem is ILiteralStringProductionRuleItem)
{
return(Deliteralize <string, ILiteralStringTokenItem>(((ILiteralStringProductionRuleItem)(ruleItem)), currentEntry, availableStock, file,
literal =>
{
LiteralStringTokenItem result = new LiteralStringTokenItem(literal.Value, ((ILiteralStringProductionRuleItem)(literal)).CaseInsensitive, literal.Column, literal.Line, literal.Position, false);
if (literal.Name != null && literal.Name != string.Empty)
{
result.Name = literal.Name;
}
else
{
result.Name = ExtractName(result.Value);
}
return result;
},
(literal, destination) =>
{
if (destination.Name != "__EXTRACTIONS" &&
(destination.Branches.Count == 1 &&
destination.Branches[0].Count == 1))
{
return new TokenReferenceProductionRuleItem(destination, literal.Column, literal.Line, literal.Position);
}
else if (string.IsNullOrEmpty(literal.Name))
{
literal.Name = ExtractName(literal.Value);
}
LiteralStringReferenceProductionRuleItem result = new LiteralStringReferenceProductionRuleItem((ILiteralStringTokenItem)literal, destination, literal.Column, literal.Line, literal.Position, ruleItem.Flag, ruleItem.Counter);
if (ruleItem.Flag)
{
result.Name = ExtractName(literal.Value);
}
return result;
}, errors));
}
return(ruleItem);
}
