public static SyntacticalNFAState BuildNFA(this IRuleReferenceProductionRuleItem ruleReference, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
{
SyntacticalNFAState state = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
GrammarVocabulary movement = new GrammarVocabulary(symbols, symbols[ruleReference.Reference]);
var stateEnd = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
state.MoveTo(movement, stateEnd);
return(state);
}
public static SyntacticalNFAState BuildNFA <T, TLiteral>(this ILiteralReferenceProductionRuleItem <T, TLiteral> item, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
where TLiteral :
ILiteralTokenItem <T>
{
SyntacticalNFAState state = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
GrammarVocabulary movement = new GrammarVocabulary(symbols, symbols[item.Literal]);
var stateEnd = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
state.MoveTo(movement, stateEnd);
return(state);
}
public static SyntacticalNFAState BuildNFA(this IProductionRuleItem item, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
{
SyntacticalNFAState result = null;
if (item is IProductionRuleGroupItem)
{
result = ((IProductionRuleSeries)item).BuildNFA(symbols, lookup, replacements);
}
else if (item is ILiteralCharReferenceProductionRuleItem)
{
result = ((ILiteralCharReferenceProductionRuleItem)(item)).BuildNFA(symbols, lookup, replacements);
}
else if (item is ILiteralStringReferenceProductionRuleItem)
{
result = ((ILiteralStringReferenceProductionRuleItem)(item)).BuildNFA(symbols, lookup, replacements);
}
else if (item is ITokenReferenceProductionRuleItem)
{
result = ((ITokenReferenceProductionRuleItem)(item)).BuildNFA(symbols, lookup, replacements);
}
else if (item is IRuleReferenceProductionRuleItem)
{
result = ((IRuleReferenceProductionRuleItem)(item)).BuildNFA(symbols, lookup, replacements);
}
else
{
throw new ArgumentException("series");
}
if (result == null)
{
return(null);
}
var source = replacements.ContainsKey(item) ? (IProductionRuleSource)replacements[item] : (IProductionRuleSource)item;
result.HandleRepeatCycle <GrammarVocabulary, SyntacticalNFAState, SyntacticalDFAState, IProductionRuleSource, SyntacticalNFARootState, IProductionRuleItem>(item, item, OilexerGrammarInliningCore.ProductionRuleRootStateClonerCache, () => new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols));
List <SyntacticalNFAState> flatForm = new List <SyntacticalNFAState>();
SyntacticalNFAState.FlatlineState(result, flatForm);
result.SetInitial(source);
foreach (var fState in flatForm)
{
fState.SetIntermediate(source);
}
foreach (var edge in result.ObtainEdges())
{
edge.SetFinal(source);
}
return(result);
}
public static SyntacticalNFAState BuildNFA(this IProductionRuleSeries series, SyntacticalNFAState root, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
{
SyntacticalNFAState state = root;
bool first = true;
foreach (var expression in series)
{
if (state == null)
{
state = expression.BuildNFA(symbols, lookup, replacements);
first = false;
}
else
{
var expressionNFA = expression.BuildNFA(symbols, lookup, replacements);
if (first)
{
bool isEdge = expressionNFA.IsEdge;
first = false;
state.Union(expressionNFA);
if (state.IsEdge && !isEdge)
{
state.IsEdge = isEdge;
}
}
else
{
state.Union(expressionNFA);
}
}
}
if (!(series is IProductionRuleGroupItem))
{
List <SyntacticalNFAState> flatForm = new List <SyntacticalNFAState>();
SyntacticalNFAState.FlatlineState(state, flatForm);
var source = (replacements.ContainsKey(series) ? (IProductionRuleSource)replacements[series] : (IProductionRuleSource)series);
state.SetInitial(source);
foreach (var fState in flatForm)
{
fState.SetIntermediate(source);
}
foreach (var edge in state.ObtainEdges())
{
edge.SetFinal(source);
}
}
return(state);
}
public static SyntacticalNFAState BuildNFA(this IProductionRule rule, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
{
SyntacticalNFAState state = null;
foreach (var item in rule)
{
if (state == null)
{
state = item.BuildNFA(symbols, lookup, replacements);
}
else
{
var nextState = item.BuildNFA(symbols, lookup, replacements);
if (nextState != null)
{
state.Concat(nextState);
}
}
}
return(state);
}
public static SyntacticalNFAState BuildNFA(this ITokenReferenceProductionRuleItem tokenReference, IGrammarSymbolSet symbols, ControlledDictionary <IOilexerGrammarProductionRuleEntry, SyntacticalDFARootState> lookup, Dictionary <IProductionRuleSource, IProductionRuleCaptureStructuralItem> replacements)
{
SyntacticalNFAState state = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
var symbol = symbols[tokenReference.Reference];
GrammarVocabulary movement = null;
if (symbol is IGrammarConstantItemSymbol)
{
IGrammarConstantItemSymbol constantItemSymbol = (IGrammarConstantItemSymbol)symbol;
movement = new GrammarVocabulary(symbols, (from s in symbols
let cis = s as IGrammarConstantItemSymbol
where cis != null && cis.Source == constantItemSymbol.Source
select cis).ToArray());
}
else
{
movement = new GrammarVocabulary(symbols, symbol);
}
var stateEnd = new SyntacticalNFAState(lookup, (GrammarSymbolSet)symbols);
state.MoveTo(movement, stateEnd);
return(state);
}