FollowMatchersVisitor (parboiled-core 1.3.2 API)

java.lang.Object
- org.parboiled.matchervisitors.DefaultMatcherVisitor<Boolean>
- - org.parboiled.matchervisitors.FollowMatchersVisitor

All Implemented Interfaces:

MatcherVisitor<Boolean>
```
public class FollowMatchersVisitor
extends DefaultMatcherVisitor<Boolean>
```
Collects the matchers that can legally follow the given matcher according to the grammar into a given list. The visitor returns true if the collected matchers are all possible followers, and false if other matchers higher up the rule stack can also follow.

Constructor Summary

Constructors
Constructor Description

FollowMatchersVisitor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Boolean`	`defaultValue(AbstractMatcher matcher)`	Returns the default value for all visiting methods that have not been overridden.
`List<Matcher>`	`getFollowMatchers(MatcherContext currentContext)`
`Boolean`	`visit(OneOrMoreMatcher matcher)`
`Boolean`	`visit(SequenceMatcher matcher)`
`Boolean`	`visit(ZeroOrMoreMatcher matcher)`

Methods inherited from class org.parboiled.matchervisitors.DefaultMatcherVisitor
visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FollowMatchersVisitor
```
public FollowMatchersVisitor()
```
- Method Detail
  - getFollowMatchers
```
public List<Matcher> getFollowMatchers(MatcherContext currentContext)
```
  - visit
```
public Boolean visit(OneOrMoreMatcher matcher)
```
    Specified by:
    
    visit in interface MatcherVisitor<Boolean>
    
    Overrides:
    
    visit in class DefaultMatcherVisitor<Boolean>
  - visit
```
public Boolean visit(SequenceMatcher matcher)
```
    Specified by:
    
    visit in interface MatcherVisitor<Boolean>
    
    Overrides:
    
    visit in class DefaultMatcherVisitor<Boolean>
  - visit
```
public Boolean visit(ZeroOrMoreMatcher matcher)
```
    Specified by:
    
    visit in interface MatcherVisitor<Boolean>
    
    Overrides:
    
    visit in class DefaultMatcherVisitor<Boolean>
  - defaultValue
```
public Boolean defaultValue(AbstractMatcher matcher)
```
    Description copied from class: DefaultMatcherVisitor
    
    Returns the default value for all visiting methods that have not been overridden.
    
    Overrides:
    
    defaultValue in class DefaultMatcherVisitor<Boolean>
    
    Parameters:
    
    matcher - the matcher
    
    Returns:
    
    the return value (null by default)