Enhanced C#
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An base class designed for parsers that use LLLPG (Loyc LL(k) Parser Generator) and receive tokens from an IEnumerator{Token}. More...
An base class designed for parsers that use LLLPG (Loyc LL(k) Parser Generator) and receive tokens from an IEnumerator{Token}.
Token | : | ISimpleToken |
Protected Member Functions | |
BaseParserNoBacktracking (IEnumerable< Token > sequence, Token eofToken, ISourceFile file) | |
BaseParserNoBacktracking (IEnumerator< Token > sequence, Token eofToken, ISourceFile file) | |
Protected Member Functions inherited from Loyc.Syntax.BaseParserNoBacktracking< Token, Enumerator > | |
BaseParserNoBacktracking (Enumerator sequence, Token eofToken, ISourceFile file, int startIndex=0) | |
Initializes this object to begin parsing the specified tokens. More... | |
void | Reset (Enumerator sequence, Token eofToken, ISourceFile file, int startIndex=0) |
sealed override Int32 | EofInt () |
Returns the value used for EOF (normally 0) More... | |
sealed override Token | LT (int i) |
Returns the Token at lookahead i, where 0 is the next token. This class does not support negative lookahead because old tokens from the IEnumerator are discarded. More... | |
abstract override string | ToString (Int32 tokenType) |
Returns a string representation of the specified token type. These strings are used in error messages. More... | |
Protected Member Functions inherited from Loyc.Syntax.BaseParser< Token > | |
BaseParser (ISourceFile file=null, int startIndex=0) | |
Protected Member Functions inherited from Loyc.Syntax.BaseParser< Token, MatchType > | |
BaseParser (ISourceFile file=null, int startIndex=0) | |
abstract string | ToString (MatchType tokenType) |
Returns a string representation of the specified token type. These strings are used in error messages. More... | |
virtual int | LaIndexToCharIndex (int lookaheadIndex) |
Converts a lookahead token index to a character index (used for error reporting). More... | |
virtual object | LaIndexToSourcePos (int lookaheadIndex) |
Converts a lookahead token index to a SourcePos object using LaIndexToCharIndex and SourceFile. More... | |
virtual void | Error (int lookaheadIndex, string message) |
Records an error or throws an exception. More... | |
virtual void | Error (int lookaheadIndex, string format, params object[] args) |
void | Skip () |
Token | MatchAny () |
Token | Match (HashSet< MatchType > set, bool inverted=false) |
Token | Match (MatchType a) |
Token | Match (MatchType a, MatchType b) |
Token | Match (MatchType a, MatchType b, MatchType c) |
Token | Match (MatchType a, MatchType b, MatchType c, MatchType d) |
Token | MatchExcept () |
Token | MatchExcept (MatchType a) |
Token | MatchExcept (MatchType a, MatchType b) |
Token | MatchExcept (MatchType a, MatchType b, MatchType c) |
Token | MatchExcept (MatchType a, MatchType b, MatchType c, MatchType d) |
Token | MatchExcept (HashSet< MatchType > set) |
bool | TryMatch (HashSet< MatchType > set, bool inverted=false) |
bool | TryMatch (MatchType a) |
bool | TryMatch (MatchType a, MatchType b) |
bool | TryMatch (MatchType a, MatchType b, MatchType c) |
bool | TryMatch (MatchType a, MatchType b, MatchType c, MatchType d) |
bool | TryMatchExcept () |
bool | TryMatchExcept (MatchType a) |
bool | TryMatchExcept (MatchType a, MatchType b) |
bool | TryMatchExcept (MatchType a, MatchType b, MatchType c) |
bool | TryMatchExcept (MatchType a, MatchType b, MatchType c, MatchType d) |
bool | TryMatchExcept (HashSet< MatchType > set) |
void | Error (bool inverted, params MatchType[] expected) |
virtual void | Error (bool inverted, IEnumerable< MatchType > expected) |
virtual string | ToString (bool inverted, IEnumerable< MatchType > expected) |
virtual void | Check (bool expectation, string expectedDescr="") |
Additional Inherited Members | |
Public static fields inherited from Loyc.Syntax.BaseParser< Token, MatchType > | |
static readonly IMessageSink | FormatExceptionErrorSink |
Throws FormatException when it receives an error. Non-errors are sent to MessageSink.Current. More... | |
Properties inherited from Loyc.Syntax.BaseParserNoBacktracking< Token, Enumerator > | |
sealed override Int32 | LA0Int [get] |
new int | InputPosition [get, set] |
Cumulative index of the next token to be parsed. More... | |
Properties inherited from Loyc.Syntax.BaseParser< Token, MatchType > | |
IMessageSink | ErrorSink [get, set] |
Gets or sets the object to which error messages are sent. The default object is FormatExceptionErrorSink, which throws FormatException if an error occurs. More... | |
ISourceFile | SourceFile [get] |
The ISourceFile object that was provided to the constructor, if any. More... | |
Token | LT0 [get] |
Next token to parse (cached; is set to LT(0) whenever InputPosition is changed). More... | |
int | InputPosition [get, set] |
Current position of the next token to be parsed. More... | |
abstract MatchType | LA0Int [get] |
Returns the token type of _lt0 (normally _lt0.TypeInt) More... | |
Static Protected Member Functions inherited from Loyc.Syntax.BaseParser< Token, MatchType > | |
static HashSet< MatchType > | NewSet (params MatchType[] items) |
Protected fields inherited from Loyc.Syntax.BaseParserNoBacktracking< Token, Enumerator > | |
Token | EofToken |
new int | _inputPosition |
Protected fields inherited from Loyc.Syntax.BaseParser< Token, MatchType > | |
ISourceFile | _sourceFile |
Token | _lt0 |
int | _inputPosition |
MatchType | EOF |