Package org.snt.inmemantlr.listener

Class DefaultTreeListener

java.lang.Object

org.snt.inmemantlr.listener.DefaultListener

org.snt.inmemantlr.listener.DefaultTreeListener

All Implemented Interfaces:

java.io.Serializable, org.antlr.v4.runtime.tree.ParseTreeListener

public class DefaultTreeListener
extends DefaultListener

default tree listener implementation

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.function.Predicate<java.lang.String>	filter
protected java.lang.StringBuilder	glob
protected boolean	includeTerminals
protected ParseTreeNode	nodeptr
protected ParseTree	parseTree
protected java.util.Deque<java.lang.String>	sctx

Fields inherited from class org.snt.inmemantlr.listener.DefaultListener

parser

Constructor Summary

Constructors

Constructor	Description
DefaultTreeListener()	constructor
DefaultTreeListener(boolean includeTerminals)	constructor
DefaultTreeListener(java.util.function.Predicate<java.lang.String> filter)	constructor

Method Summary

Modifier and Type	Method	Description
void	enterEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)
void	exitEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)
java.util.Set<ParseTreeNode>	getNodes()	get ast nodes
ParseTree	getParseTree()	get ast
void	reset()
java.lang.String	toString()
void	visitErrorNode(org.antlr.v4.runtime.tree.ErrorNode errorNode)
void	visitTerminal(org.antlr.v4.runtime.tree.TerminalNode terminalNode)

Methods inherited from class org.snt.inmemantlr.listener.DefaultListener

getRuleByKey, setParser

Methods inherited from class java.lang.Object

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

Field Detail

sctx

protected java.util.Deque<java.lang.String> sctx

glob

protected java.lang.StringBuilder glob

parseTree

protected ParseTree parseTree

nodeptr

protected ParseTreeNode nodeptr

filter

protected java.util.function.Predicate<java.lang.String> filter

includeTerminals

protected boolean includeTerminals

Constructor Detail

DefaultTreeListener

public DefaultTreeListener()

constructor

DefaultTreeListener

public DefaultTreeListener(boolean includeTerminals)

constructor

Parameters:

includeTerminals - include terminal nodes in resulting tree

DefaultTreeListener

public DefaultTreeListener(java.util.function.Predicate<java.lang.String> filter)

constructor

Parameters:

filter - condition that has to hold for every node

Method Detail

visitTerminal

public void visitTerminal(org.antlr.v4.runtime.tree.TerminalNode terminalNode)

Specified by:

visitTerminal in interface org.antlr.v4.runtime.tree.ParseTreeListener

Overrides:

visitTerminal in class DefaultListener

visitErrorNode

public void visitErrorNode(org.antlr.v4.runtime.tree.ErrorNode errorNode)

Specified by:

visitErrorNode in interface org.antlr.v4.runtime.tree.ParseTreeListener

Overrides:

visitErrorNode in class DefaultListener

enterEveryRule

public void enterEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)

Specified by:

enterEveryRule in interface org.antlr.v4.runtime.tree.ParseTreeListener

Overrides:

enterEveryRule in class DefaultListener

exitEveryRule

public void exitEveryRule(org.antlr.v4.runtime.ParserRuleContext ctx)

Specified by:

exitEveryRule in interface org.antlr.v4.runtime.tree.ParseTreeListener

Overrides:

exitEveryRule in class DefaultListener

reset

public void reset()

Overrides:

reset in class DefaultListener

getParseTree

public ParseTree getParseTree()

get ast

Returns:

ast

getNodes

public java.util.Set<ParseTreeNode> getNodes()

get ast nodes

Returns:

set of ast nodes

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object