Package snap.parse

Class Grammar

java.lang.Object

snap.parse.Grammar

public class Grammar
extends Object

This class manages a set of parse rules.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Grammar()	Constructor.
protected	Grammar(ParseRule primaryRule)	Constructor for given primary rule.

Method Summary

Modifier and Type	Method	Description
ParseRule	addRuleForName(String ruleName)	Adds a rule for given name.
static Grammar	createGrammarForParserClass(Class<?> parserClass)	Creates a grammar for given parser class.
ParseRule[]	getAllPatternRules()	Returns all rules with a pattern.
Regex[]	getAllRegexes()	Returns the Regexes for all token patterns.
ParseRule[]	getAllRules()	Returns all unique rules.
List<ParseRule>	getNamedRules()	The set of top level named rules in this grammar.
ParseRule	getPrimaryRule()	Returns the primary rule.
ParseRule	getRuleForName(String ruleName)	Returns the rule for name.
void	installHandlerForClass(Class<? extends ParseHandler<?>> handlerClass)	Finds the rule with same name as handler class and sets handler instance.
void	installHandlerForClasses(Class<? extends ParseHandler<?>>[] handlerClasses)	Finds the rule with same name as handler class and sets handler instance.
boolean	isRuleSetForName(String ruleName)	Returns the rule for name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Grammar

protected Grammar()

Constructor.

Grammar

protected Grammar(ParseRule primaryRule)

Constructor for given primary rule.

Method Details

getNamedRules

public List<ParseRule> getNamedRules()

The set of top level named rules in this grammar.

addRuleForName

public ParseRule addRuleForName(String ruleName)

Adds a rule for given name.

getPrimaryRule

public ParseRule getPrimaryRule()

Returns the primary rule.

isRuleSetForName

public boolean isRuleSetForName(String ruleName)

Returns the rule for name.

getRuleForName

public ParseRule getRuleForName(String ruleName)

Returns the rule for name.

getAllRules

public ParseRule[] getAllRules()

Returns all unique rules.

getAllPatternRules

public ParseRule[] getAllPatternRules()

Returns all rules with a pattern.

getAllRegexes

public Regex[] getAllRegexes()

Returns the Regexes for all token patterns.

installHandlerForClass

public void installHandlerForClass(Class<? extends ParseHandler<?>> handlerClass)

Finds the rule with same name as handler class and sets handler instance.

installHandlerForClasses

public void installHandlerForClasses(Class<? extends ParseHandler<?>>[] handlerClasses)

Finds the rule with same name as handler class and sets handler instance.

createGrammarForParserClass

public static Grammar createGrammarForParserClass(Class<?> parserClass)

Creates a grammar for given parser class.