Package org.antlr.v4.tool

Class DOTGenerator

java.lang.Object

org.antlr.v4.tool.DOTGenerator

public class DOTGenerator
extends Object

The DOT (part of graphviz) generation aspect.

Field Summary

Fields

Modifier and Type	Field	Description
protected String	arrowhead
protected Grammar	grammar
protected String	rankdir
static org.stringtemplate.v4.STGroup	stlib	Library of output templates; use <attrname> format.
static boolean	STRIP_NONREDUCED_STATES

Constructor Summary

Constructors

Constructor	Description
DOTGenerator(Grammar grammar)	This aspect is associated with a grammar

Method Summary

Modifier and Type	Method	Description
String	getDOT(ATNState startState)
String	getDOT(ATNState startState, boolean isLexer)
String	getDOT(ATNState startState, String[] ruleNames, boolean isLexer)	Return a String containing a DOT description that, when displayed, will show the incoming state machine visually.
String	getDOT(DFA dfa, boolean isLexer)
protected String	getEdgeLabel(String label)	Fix edge strings so they print out in DOT properly; generate any gated predicates on edge too.
protected String	getStateLabel(ATNState s)
protected String	getStateLabel(DFAState s)

Methods inherited from class java.lang.Object

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

Field Detail

STRIP_NONREDUCED_STATES

public static final boolean STRIP_NONREDUCED_STATES

See Also:

Constant Field Values

arrowhead

protected String arrowhead

rankdir

protected String rankdir

stlib

public static final org.stringtemplate.v4.STGroup stlib

Library of output templates; use <attrname> format.

grammar

protected Grammar grammar

Constructor Detail

DOTGenerator

public DOTGenerator(Grammar grammar)

This aspect is associated with a grammar

Method Detail

getDOT

public String getDOT(DFA dfa,
                     boolean isLexer)

getStateLabel

protected String getStateLabel(DFAState s)

getDOT

public String getDOT(ATNState startState)

getDOT

public String getDOT(ATNState startState,
                     boolean isLexer)

getDOT

public String getDOT(ATNState startState,
                     String[] ruleNames,
                     boolean isLexer)

Return a String containing a DOT description that, when displayed, will show the incoming state machine visually. All nodes reachable from startState will be included.

getEdgeLabel

protected String getEdgeLabel(String label)

Fix edge strings so they print out in DOT properly; generate any gated predicates on edge too.

getStateLabel

protected String getStateLabel(ATNState s)