org.antlr.v4.semantics

Class UseDefAnalyzer

java.lang.Object

org.antlr.v4.semantics.UseDefAnalyzer

public class UseDefAnalyzer
extends java.lang.Object

Look for errors and deadcode stuff

Constructor Summary

Constructors

Constructor and Description
UseDefAnalyzer()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	actionIsContextDependent(ActionAST actionAST)
static java.util.Map<Rule,java.util.Set<Rule>>	getRuleDependencies(Grammar g) Find all rules reachable from r directly or indirectly for all r in g
static java.util.Map<Rule,java.util.Set<Rule>>	getRuleDependencies(Grammar g, java.util.Collection<Rule> rules)
static java.util.Map<Rule,java.util.Set<Rule>>	getRuleDependencies(LexerGrammar g, java.lang.String modeName)
static void	trackTokenRuleRefsInActions(Grammar g)

Methods inherited from class java.lang.Object

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

Constructor Detail

UseDefAnalyzer

public UseDefAnalyzer()

Method Detail

trackTokenRuleRefsInActions

public static void trackTokenRuleRefsInActions(Grammar g)

actionIsContextDependent

public static boolean actionIsContextDependent(ActionAST actionAST)

getRuleDependencies

public static java.util.Map<Rule,java.util.Set<Rule>> getRuleDependencies(Grammar g)

Find all rules reachable from r directly or indirectly for all r in g

getRuleDependencies

public static java.util.Map<Rule,java.util.Set<Rule>> getRuleDependencies(LexerGrammar g,
                                                          java.lang.String modeName)

getRuleDependencies

public static java.util.Map<Rule,java.util.Set<Rule>> getRuleDependencies(Grammar g,
                                                          java.util.Collection<Rule> rules)