com.sonar.sslr.api
Interface Rule

All Superinterfaces:

AstNodeType

public interface Rule
extends AstNodeType

A Rule describes a grammar syntactic rule.

See Also:

Grammar, Backus�Naur Form

Method Summary

Rule	and(Object... matchers)
Rule	is(Object... matchers) This method allows the define the current rule as the sequence of the matchers passed as parameters, respecting the order of the given matchers.
Rule	isOr(Object... matchers)
void	mock()
void	mockUpperCase()
Rule	or(Object... matchers)
Rule	orBefore(Object... matchers)
Rule	override(Object... matchers) This method has the same effect as RuleImpl#is(Object...), except that it can be called more than once to redefine a rule from scratch.
Rule	setListener(AstListener listener)
Rule	skip()
Rule	skipIf(AstNodeType policy)
Rule	skipIfOneChild()

Method Detail

is

Rule is(Object... matchers)

This method allows the define the current rule as the sequence of the matchers passed as parameters, respecting the order of the given matchers.

Note: this method can be called only once for a rule. If it is called more than once, an IllegalStateException will be thrown. If the rule definition really needs to be redefine, then the override(Object...) method must be used.

Parameters:

matchers - the matchers that define the rule

Returns:

the rule

See Also:

override(Object...)

override

Rule override(Object... matchers)

This method has the same effect as RuleImpl#is(Object...), except that it can be called more than once to redefine a rule from scratch. It can be used if the rule has to be redefined later (for instance in grammar extensions).

Parameters:

matchers - the matchers that define the rule

Returns:

the rule

See Also:

RuleImpl#override(Object...)

or

Rule or(Object... matchers)

and

Rule and(Object... matchers)

orBefore

Rule orBefore(Object... matchers)

isOr

Rule isOr(Object... matchers)

setListener

Rule setListener(AstListener listener)

skip

Rule skip()

skipIf

Rule skipIf(AstNodeType policy)

skipIfOneChild

Rule skipIfOneChild()

mockUpperCase

void mockUpperCase()

mock

void mock()