Package org.nineml.coffeegrinder.exceptions

Class GrammarException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.nineml.coffeegrinder.exceptions.CoffeeGrinderException

org.nineml.coffeegrinder.exceptions.GrammarException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CompilerException

public class GrammarException
extends CoffeeGrinderException

Grammar exceptions.

Grammar exceptions are generally errors in the grammar, use of a nonterminal that has no rule defining it, for example.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
GrammarException(String code, String message)	Grammar exception with a message.
GrammarException(String code, String message, Throwable cause)	Grammar exception with an underlying cause.

Method Summary

Modifier and Type	Method	Description
static GrammarException	grammarIsClosed()	Raised if an attempt is made to write to a closed grammar.
static GrammarException	invalidCharacterClass(String name)	Raised if an invalid Unicode character class is specified.
static GrammarException	invalidGrammarRegex()	Raised if a regular expression is used incorrectly.

Methods inherited from class org.nineml.coffeegrinder.exceptions.CoffeeGrinderException

getCode

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

GrammarException

public GrammarException(String code,
 String message)

Grammar exception with a message.

Parameters:

code - the code

message - the message

GrammarException

public GrammarException(String code,
 String message,
 Throwable cause)

Grammar exception with an underlying cause.

Parameters:

code - the code

message - the message

cause - the cause

Method Details

grammarIsClosed

public static GrammarException grammarIsClosed()

Raised if an attempt is made to write to a closed grammar.

Returns:

a GrammarException

invalidCharacterClass

public static GrammarException invalidCharacterClass(String name)

Raised if an invalid Unicode character class is specified.

Parameters:

name - the Unicode character class

Returns:

a GrammarException.

invalidGrammarRegex

public static GrammarException invalidGrammarRegex()

Raised if a regular expression is used incorrectly.

Regular expressions must be the only symbol on the right hand side of a rule.

Returns:

a GrammarException.