/// <summary>
/// Get a child node of this node using its value to find it
/// </summary>
/// <param name="Value">The value of the node to find</param>
/// <returns>The node</returns>
private TrieNode GetChild(TToken Value)
{
if (Children != null && Children.ContainsKey(Value))
{
return(Children[Value]);
}
return(null);
}
/// <summary>
/// Test if a node contains a particular child
/// </summary>
/// <param name="Value">The value to test</param>
/// <returns>True if the node contains the chil, otherwise false</returns>
private bool ContainsChild(TToken Value)
{
if (Children == null)
{
return(false);
}
else if (Children.ContainsKey(Value))
{
return(true);
}
return(false);
}
private LexerDfaState(LexerDfaState state) : base(state)
{
if (SuccessSubGraph == null)
{
return;
}
var lexerStateRule = ((LexerState)SuccessSubGraph.State).Rule;
Token = lexerStateRule.Token;
TokenCode = lexerStateRule.TokenCode;
Skip = lexerStateRule.Skip;
}
public void add_word(string word, TToken type)
{
flag_exist = false;
switch (type)
{
case TToken.lxmIdentifier:
for (int i = 0; i < count_letter_words; i++)
{
if (word == letter_words[i])
{
flag_exist = true;
}
}
if (!flag_exist)
{
letter_words[count_letter_words] = word;
count_letter_words++;
}
break;
case TToken.lxmNumber:
for (int i = 0; i < count_digit_words; i++)
{
if (word == digit_words[i])
{
flag_exist = true;
}
}
if (!flag_exist)
{
digit_words[count_digit_words] = word;
count_digit_words++;
}
break;
default:
for (int i = 0; i < count_symbolic_words; i++)
{
if (word == symbolic_words[i])
{
flag_exist = true;
}
}
if (!flag_exist)
{
symbolic_words[count_symbolic_words] = word;
count_symbolic_words++;
}
break;
}
}
public LexerDfaState(DfaNode[] nodes, DfaTransition[] lazyTransitions, DfaTransition successTransition, DfaTransition prevSuccessTransition, int hashCode, LexerDfaBuilder builder, bool build = true,
LexerDfaState[] array = null) : base(nodes, lazyTransitions, successTransition,
prevSuccessTransition, hashCode, builder)
{
if (SuccessSubGraph == null)
{
return;
}
var lexerStateRule = ((LexerState)SuccessSubGraph.State).Rule;
Token = lexerStateRule.Token;
TokenCode = lexerStateRule.TokenCode;
Skip = lexerStateRule.Skip;
}
private List <TValue> GetMatchingValues(TToken[] Keys, int Index, List <TValue> Values, bool PrefixSearch)
{
if (Index == Keys.Length)
{
if (this.Terminal)
{
//if (!PrefixSearch)
//{
Values.Add(this.Value);
//}
//else
//{
// Values.Add(this.Value);
// return Values;
//}
}
if (PrefixSearch && Children != null)
{
foreach (KeyValuePair <TToken, TrieNode> value in Children)
{
value.Value.GetMatchingValues(Keys, Index, Values, PrefixSearch);
}
}
return(Values);
}
if (Children != null && container.WildCardIsSet && Keys[Index].CompareTo(container.WildCard) == 0)
{
foreach (KeyValuePair <TToken, TrieNode> value in Children)
{
TToken[] TestValues = new TToken[Keys.Length];
Keys.CopyTo(TestValues, 0);
TestValues[Index] = value.Key;
GetMatchingValues(TestValues, Index, Values, PrefixSearch);
}
}
else
{
if (this.ContainsChild(Keys[Index]))
{
return(GetChild(Keys[Index]).GetMatchingValues(Keys, Index + 1, Values, PrefixSearch));
}
}
return(Values);
}
internal sealed override Result <TToken, TEnumerable> Parse(IParseState <TToken> state)
{
var consumedInput = false;
foreach (var x in _valueList)
{
var result = state.Peek();
if (!result.HasValue)
{
return(Result.Failure <TToken, TEnumerable>(
new ParseError <TToken>(
result,
true,
Expected,
state.SourcePos,
null
),
consumedInput
));
}
TToken token = result.GetValueOrDefault();
if (!token.Equals(x))
{
return(Result.Failure <TToken, TEnumerable>(
new ParseError <TToken>(
result,
false,
Expected,
state.SourcePos,
null
),
consumedInput
));
}
consumedInput = true;
state.Advance();
}
return(Result.Success <TToken, TEnumerable>(_value, consumedInput));
}
/// <summary>
/// Recursive sub function for the Contains method group
/// </summary>
/// <param name="Values">The value composing the word to check</param>
/// <param name="Index">The index into the word being evaluated</param>
/// <returns>True if the word is found, otherwise false</returns>
private bool Contains(TToken[] Values, int Index)
{
if (Index == Values.Length)
{
if (Terminal)
{
return(true);
}
else
{
return(false);
}
}
if (Children != null && container.WildCardIsSet && Values[Index].CompareTo(container.WildCard) == 0)
{
foreach (KeyValuePair <TToken, TrieNode> value in Children)
{
TToken[] TestValues = new TToken[Values.Length];
Values.CopyTo(TestValues, 0);
TestValues[Index] = value.Key;
bool Contained = Contains(TestValues, Index);
if (Contained == true)
{
return(true);
}
}
}
else
{
if (this.ContainsChild(Values[Index]))
{
return(GetChild(Values[Index]).Contains(Values, Index + 1));
}
}
return(false);
}
internal sealed override InternalResult <TEnumerable> Parse(IParseState <TToken> state)
{
var consumedInput = false;
foreach (var x in _valueTokens)
{
var result = state.Peek();
if (!result.HasValue)
{
state.Error = new ParseError <TToken>(
result,
true,
Expected,
state.SourcePos,
null
);
return(InternalResult.Failure <TEnumerable>(consumedInput));
}
TToken token = result.GetValueOrDefault();
if (!EqualityComparer <TToken> .Default.Equals(token, x))
{
state.Error = new ParseError <TToken>(
result,
false,
Expected,
state.SourcePos,
null
);
return(InternalResult.Failure <TEnumerable>(consumedInput));
}
consumedInput = true;
state.Advance();
}
return(InternalResult.Success <TEnumerable>(_value, consumedInput));
}
private List <TToken[]> GetMatchingKeys(TToken[] Keys, int Index, List <TToken[]> matches, bool PrefixSearch)
{
if (Index == Keys.Length)
{
if (this.Terminal)
{
matches.Add(this.Word.ToArray());
}
if (PrefixSearch && Children != null)
{
foreach (KeyValuePair <TToken, TrieNode> value in Children)
{
value.Value.GetMatchingKeys(Keys, Index, matches, PrefixSearch);
}
}
return(matches);
}
if (Children != null && container.WildCardIsSet && Keys[Index].CompareTo(container.WildCard) == 0)
{
foreach (KeyValuePair <TToken, TrieNode> value in Children)
{
TToken[] TestValues = new TToken[Keys.Length];
Keys.CopyTo(TestValues, 0);
TestValues[Index] = value.Key;
GetMatchingKeys(TestValues, Index, matches, PrefixSearch);
}
}
else
{
if (this.ContainsChild(Keys[Index]))
{
return(GetChild(Keys[Index]).GetMatchingKeys(Keys, Index + 1, matches, PrefixSearch));
}
}
return(matches);
}
public Container(TToken token, TAuth data)
{
Token = token;
Data = data;
}
public StateResult(int?state, TToken result)
{
State = state;
Result = result;
}
public void NextToken()
{
strFLexicalUnit = "";
if (enumFState == TState.Start)
{
intFSourceRowSelection = 0;
intFSourceColSelection = -1;
GetSymbol();
}
while (enumFSelectionCharType == TCharType.Space || enumFSelectionCharType == TCharType.EndRow)
{
GetSymbol();
}
if (chrFSelection == '/')
{
GetSymbol();
if (chrFSelection == '/')
{
while (enumFSelectionCharType != TCharType.EndRow)
{
GetSymbol();
}
}
GetSymbol();
}
// Вариант 3
switch (enumFSelectionCharType)
{
case TCharType.Letter:
{
// a b c d
// AFin | AFin | CFin | AFin | AFin |
// CFin | AFin | | AFin | AFin |
AFin:
{
if (chrFSelection == 'a' || chrFSelection == 'c' || chrFSelection == 'd')
{
TakeSymbol();
goto AFin;
}
else if (chrFSelection == 'b')
{
TakeSymbol();
goto CFin;
}
else
{
enumFToken = TToken.lxmIdentifier;
return;
}
}
CFin:
{
if (chrFSelection == 'a' || chrFSelection == 'c' || chrFSelection == 'd')
{
TakeSymbol();
goto AFin;
}
else
{
throw new Exception("Есть bb");
}
}
}
case TCharType.Digit:
{
// 0 1
// A | BC | |
// BC | D | E |
// D | A | |
// E | FFin| |
// FFin | G | |
// G | | H |
// H | | FFin|
A:
if (chrFSelection == '0')
{
TakeSymbol();
goto BC;
}
else
{
throw new Exception("Ожидался 0");
}
BC:
if (chrFSelection == '0')
{
TakeSymbol();
goto D;
}
else if (chrFSelection == '1')
{
TakeSymbol();
goto E;
}
else
{
throw new Exception("Ожидался 0 или 1");
}
D:
if (chrFSelection == '0')
{
TakeSymbol();
goto A;
}
else
{
throw new Exception("Ожидался 0");
}
E:
if (chrFSelection == '0')
{
TakeSymbol();
goto FFin;
}
else
{
throw new Exception("Ожидался 0");
}
FFin:
if (chrFSelection == '0')
{
TakeSymbol();
goto G;
}
else if (enumFSelectionCharType != TCharType.Digit)
{
enumFToken = TToken.lxmNumber; return;
}
else
{
throw new Exception("Ожидалась 0");
}
G:
if (chrFSelection == '1')
{
TakeSymbol();
goto H;
}
else
{
throw new Exception("Ожидалась 1");
}
H:
if (chrFSelection == '1')
{
TakeSymbol();
goto FFin;
}
else
{
throw new Exception("Ожидалась 1");
}
}
case TCharType.ReservedSymbol:
{
if (chrFSelection == '/')
{
GetSymbol();
if (chrFSelection == '/')
{
while (enumFSelectionCharType != TCharType.EndRow)
{
GetSymbol();
}
}
GetSymbol();
}
if (chrFSelection == '(')
{
enumFToken = TToken.lxmLeftParenth;
GetSymbol();
return;
}
if (chrFSelection == ')')
{
enumFToken = TToken.lxmRightParenth;
GetSymbol();
return;
}
if (chrFSelection == '[')
{
enumFToken = TToken.lxmls;
GetSymbol();
return;
}
if (chrFSelection == ']')
{
enumFToken = TToken.lxmrs;
GetSymbol();
return;
}
if (chrFSelection == ',')
{
enumFToken = TToken.lxmComma;
GetSymbol();
return;
}
if (chrFSelection == ':')
{
enumFToken = TToken.lxmdt;
GetSymbol();
return;
}
if (chrFSelection == '=')
{
enumFToken = TToken.lxmr;
GetSymbol();
return;
}
break;
}
case TCharType.EndText:
{
enumFToken = TToken.lxmEmpty;
break;
}
}
}
public void NextToken()
{
strFLexicalUnit = "";
if (enumFState == TState.Start)
{
intFSourceRowSelection = 0;
intFSourceColSelection = -1;
GetSymbol();
}
while (enumFSelectionCharType == TCharType.Space || enumFSelectionCharType == TCharType.EndRow)
{
GetSymbol();
}
if (chrFSelection == '/')
{
GetSymbol();
if (chrFSelection == '/')
{
while (enumFSelectionCharType != TCharType.EndRow)
{
GetSymbol();
}
}
GetSymbol();
}
// Вариант 4
switch (enumFSelectionCharType)
{
case TCharType.Letter:
{
A:
{
if (chrFSelection == 'b' || chrFSelection == 'c' || chrFSelection == 'd')
{
TakeSymbol();
goto AFin;
}
else if (chrFSelection == 'a')
{
TakeSymbol();
goto BFin;
}
else
{
throw new Exception("Ошибка в идентификаторе");
}
}
AFin:
{
if (chrFSelection == 'a' || chrFSelection == 'b' || chrFSelection == 'd' || chrFSelection == 'c')
{
TakeSymbol();
goto AFin;
}
else
{
enumFToken = TToken.lxmIdentifier;
return;
}
}
BFin:
{
if (chrFSelection == 'b')
{
TakeSymbol();
throw new Exception("Ошибка в идентификаторе");
}
else if (chrFSelection == 'a' || chrFSelection == 'c' || chrFSelection == 'd')
{
TakeSymbol();
goto AFin;
}
else
{
enumFToken = TToken.lxmIdentifier;
return;
}
}
}
case TCharType.Digit:
{
A:
if (chrFSelection == '0')
{
TakeSymbol();
goto B;
}
else
{
throw new Exception("Ожидалось 0");
}
B:
if (chrFSelection == '0')
{
TakeSymbol();
goto C;
}
else if (chrFSelection == '1')
{
TakeSymbol();
goto DFin;
}
else
{
throw new Exception("Ожидалась цифра");
}
C:
if (chrFSelection == '0')
{
TakeSymbol();
goto A;
}
else
{
throw new Exception("Ожидалось 0");
}
DFin:
if (chrFSelection == '0')
{
TakeSymbol();
goto E;
}
else
{
throw new Exception("Ожидалось 0");
}
E:
if (chrFSelection == '1')
{
TakeSymbol();
goto F;
}
else if (enumFSelectionCharType != TCharType.Digit)
{
enumFToken = TToken.lxmNumber; return;
}
else
{
throw new Exception("Ожидалось 1");
}
F:
if (chrFSelection == '0')
{
TakeSymbol();
goto DFin;
}
else
{
throw new Exception("Ожидалось 0");
}
}
case TCharType.ReservedSymbol:
{
if (chrFSelection == '/')
{
GetSymbol();
if (chrFSelection == '/')
{
intFSourceColSelection = strFSource[intFSourceRowSelection].Length;
}
}
if (chrFSelection == ':')
{
enumFToken = TToken.lxmColon;
}
if (chrFSelection == '-')
{
enumFToken = TToken.lxmDash;
}
if (chrFSelection == '.')
{
enumFToken = TToken.lxmDot;
}
if (chrFSelection == ',')
{
enumFToken = TToken.lxmComma;
}
if (chrFSelection == '(')
{
enumFToken = TToken.lxmLeftParenth;
}
if (chrFSelection == ')')
{
enumFToken = TToken.lxmRightParenth;
}
TakeSymbol();
break;
}
case TCharType.EndText:
{
enumFToken = TToken.lxmEmpty;
break;
}
}
}
public ParserSingleMatchEntry(string name, TToken operand) : base(operand)
{
ParserEntryData = new ParserEntryData(name, this);
}
internal TokenRule(TToken token)
{
Token = token;
GrammarType = GetGrammarType();
}