public override void EnterCat([NotNull] lbnfParser.CatContext context)
{
if (context.Identifier() == null)
{
return;
}
var id = context.Identifier().GetText();
if (context.Parent is lbnfParser.DefContext ||
context.Parent is lbnfParser.CatContext)
{
var frontier = TreeEdits.Frontier(context);
var list = frontier.Select(t => t.Symbol).ToList();
ISymbol sym = new NonterminalSymbol(id, list);
_pd.RootScope.define(ref sym);
CombinedScopeSymbol s = (CombinedScopeSymbol)sym;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
foreach (var tr in frontier)
{
_pd.Attributes[tr] = new List <CombinedScopeSymbol>()
{
s
}
}
;
}
}
}
public override void EnterSymbol([NotNull] W3CebnfParser.SymbolContext context)
{
var token_ref = context.SYMBOL();
if (token_ref != null)
{
for (var parent = context.Parent; parent != null; parent = parent.Parent)
{
if (parent is W3CebnfParser.LhsContext)
{
return;
}
}
string id = token_ref.GetText();
List <ISymbol> list = _pd.RootScope.LookupType(id).ToList();
if (!list.Any())
{
ISymbol sym = new NonterminalSymbol(id, new List <IToken>()
{
token_ref.Symbol
});
_pd.RootScope.define(ref sym);
list = _pd.RootScope.LookupType(id).ToList();
}
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
CombinedScopeSymbol s = new RefSymbol(new List <IToken>()
{
token_ref.Symbol
}, list);
new_attrs.Add(s);
_pd.Attributes[context] = new_attrs;
_pd.Attributes[token_ref] = new_attrs;
}
}
public static void ResetGlobalVariables(
Action <MessageTypeOrDestinationEnum, String> outputMessage,
Action <MessageTypeOrDestinationEnum, String, Int32> outputMessageAndPosition)
{
// Reset all settings
GlobalSettings.Reset();
UnifiedString.Reset();
// Reset all static variables
NumberOfActions = 0;
OutputMessage = outputMessage;
OutputMessageAndPosition = outputMessageAndPosition;
NumberOfTerminalSymbols = 0;
NumberOfNonterminalSymbols = 0;
Startsymbol = new NonterminalSymbol(new UnifiedString("*Startsymbol"),
position: 0,
symbolNumber: 0,
attributetypeStringList: Array.Empty <UnifiedString>(),
attributenameStringList: Array.Empty <UnifiedString>()
// trivalDefinitionsArray: Array.Empty<Symbol>(), // the startsymbol will not have any trival definitions: default
// nontrivalDefinitionsList: ... // will be set after the startsymbol: default (empty list)
);
ListOfAllHaltActions.Clear();
ListOfAllHaltActions.Capacity = InitialCapacityOfListOfAllHaltActions;
ListOfAllHaltActions.Add(new HaltAction(IdNumber: 0, AttributestackAdjustement: 0));
TerminalSymbols = Array.Empty <TerminalSymbol>();
AllTerminalSymbols = EmptyBitarray;
ListOfAllStates.Clear();
ListOfAllStates.Capacity = InitialCapacityOfListOfAllStates;
ListOfAllErrorhandlingActions.Clear();
ListOfAllErrorhandlingActions.Capacity = InitialCapacityOfListOfAllStates;
ListOfAllReductions.Clear();
ListOfAllReductions.Capacity = InitialCapacityOfListOfAllReductions;
ListOfAllBranchActions.Clear();
ListOfAllBranchActions.Capacity = InitialCapacityOfListOfAllBranchActions;
ListOfAllPushStateActions.Clear();
ListOfAllPushStateActions.Capacity = InitialCapacityOfListOfAllPushStateActions;
ListOfAllPrioritySelectActions.Clear();
ListOfAllPrioritySelectActions.Capacity = InitialCapacityOfListOfAllPrioritySelectActions;
ListOfAllPriorityBranchActions.Clear();
ListOfAllPriorityBranchActions.Capacity = InitialCapacityOfListOfAllPriorityBranchActions;
}
static GlobalVariables()
{
Startsymbol = new NonterminalSymbol(new UnifiedString("*Startsymbol"),
position: 0,
symbolNumber: 0,
attributetypeStringList: Array.Empty <UnifiedString>(),
attributenameStringList: Array.Empty <UnifiedString>()
);
TerminalSymbols = Array.Empty <TerminalSymbol>();
OutputMessage = OutputToNirwana;
OutputMessageAndPosition = OutputToNirwana;
Startaction = new DeletedParserAction();
}
public override void EnterCat([NotNull] lbnfParser.CatContext context)
{
if (context.Identifier() == null)
{
return;
}
var id = context.Identifier().GetText();
if (!(context.Parent is lbnfParser.ItemContext))
{
return;
}
var frontier = TreeEdits.Frontier(context);
List <ISymbol> prior = _pd.RootScope.LookupType(id).ToList();
if (!prior.Any())
{
var listp = frontier.Select(t => t.Symbol).ToList();
ISymbol symp = new NonterminalSymbol(id, listp);
_pd.RootScope.define(ref symp);
prior = _pd.RootScope.LookupType(id).ToList();
}
var list = frontier.Select(t => t.Symbol).ToList();
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
CombinedScopeSymbol s = new RefSymbol(list, prior);
new_attrs.Add(s);
_pd.Attributes[context] = new_attrs;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
foreach (var tr in frontier)
{
_pd.Attributes[tr] = new List <CombinedScopeSymbol>()
{
s
}
}
;
}
}
public override void EnterRuleref([NotNull] ANTLRv4Parser.RulerefContext context)
{
TerminalNodeImpl first = context.GetChild(0) as TerminalNodeImpl;
string id = context.GetChild(0).GetText();
IList <ISymbol> list = _pd.RootScope.LookupType(id);
if (!list.Any())
{
ISymbol sym = new NonterminalSymbol(id, first.Symbol);
_pd.RootScope.define(ref sym);
}
List <CombinedScopeSymbol> new_attrs = new List <CombinedScopeSymbol>();
foreach (ISymbol sym in list)
{
CombinedScopeSymbol s = new RefSymbol(first.Symbol, sym);
new_attrs.Add(s);
}
_pd.Attributes[context] = new_attrs;
_pd.Attributes[context.GetChild(0)] = new_attrs;
}
public GrammarDefinition(
bool isCaseInsensitive,
string lineComment,
string startBlockComment,
string endBlockComment,
IEnumerable <RegexDefinition> regexDefinitions,
IEnumerable <CharsetDefinition> charsetDefinitions,
IReadOnlyDictionary <GrammarProduction, string> productionNames,
IEnumerable <GrammarProduction> productions,
NonterminalSymbol startingSymbol) : base(productions, startingSymbol)
{
IsCaseInsensitive = isCaseInsensitive;
LineComment = lineComment;
StartBlockComment = startBlockComment;
EndBlockComment = endBlockComment;
ProductionNames = productionNames;
RegexDefinitions = regexDefinitions.ToList().AsReadOnly();
CharsetDefinitions = charsetDefinitions.ToList().AsReadOnly();
ExtractKeywords();
Validate();
ComputeTable();
var charsetByName = new Dictionary <string, CharsetDefinition>();
this.CharsetByName = charsetByName;
foreach (var item in CharsetDefinitions)
{
charsetByName[item.Name] = item;
}
var regexByName = new Dictionary <string, RegexDefinition>();
this.RegexByName = regexByName;
foreach (var item in RegexDefinitions)
{
regexByName[item.Name] = item;
}
}
public override void EnterParserRuleSpec([NotNull] ANTLRv4Parser.ParserRuleSpecContext context)
{
int i;
for (i = 0; i < context.ChildCount; ++i)
{
if (!(context.GetChild(i) is TerminalNodeImpl))
{
continue;
}
TerminalNodeImpl c = context.GetChild(i) as TerminalNodeImpl;
if (c.Symbol.Type == ANTLRv4Lexer.RULE_REF)
{
break;
}
}
if (i == context.ChildCount)
{
return;
}
TerminalNodeImpl rule_ref = context.GetChild(i) as TerminalNodeImpl;
string id = rule_ref.GetText();
ISymbol sym = new NonterminalSymbol(id, rule_ref.Symbol);
_pd.RootScope.define(ref sym);
CombinedScopeSymbol s = (CombinedScopeSymbol)sym;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
_pd.Attributes[context.GetChild(i)] = new List <CombinedScopeSymbol>()
{
s
};
}
public override void EnterSymbol([NotNull] W3CebnfParser.SymbolContext context)
{
var token_ref = context.SYMBOL();
if (token_ref != null && context.Parent is W3CebnfParser.LhsContext)
{
string id = token_ref.GetText();
ISymbol sym = new NonterminalSymbol(id, new List <IToken>()
{
token_ref.Symbol
});
_pd.RootScope.define(ref sym);
CombinedScopeSymbol s = (CombinedScopeSymbol)sym;
_pd.Attributes[context] = new List <CombinedScopeSymbol>()
{
s
};
_pd.Attributes[token_ref] = new List <CombinedScopeSymbol>()
{
s
};
}
}
