How to use

org.antlr.v4.tool.ast.GrammarAST

constructor

@Override
public GrammarAST dupNode() {
  return new GrammarAST(this);
}

@Override
public Object create(Token token) {
  return new GrammarAST(token);
}

@Override
public GrammarAST dupNode() {
  return new GrammarAST(this);
}

@Override
public Object create(Token token) {
  return new GrammarAST(token);
}

@Override
public Object create(Token token) {
  return new GrammarAST(token);
}

@Override
public Object create(Token token) {
  return new GrammarAST(token);
}

@Override
public GrammarAST dupNode() {
  return new GrammarAST(this);
}

@Override
public GrammarAST create(Token token) {
  return new GrammarAST(token);
}

@Override
public GrammarAST dupNode() {
  return new GrammarAST(this);
}

@Override
public GrammarAST dupNode() {
  return new GrammarAST(this);
}

public AltAST addPrecedenceArgToRules(AltAST t, int prec) {
  if ( t==null ) return null;
  // get all top-level rule refs from ALT
  List<GrammarAST> outerAltRuleRefs = t.getNodesWithTypePreorderDFS(IntervalSet.of(RULE_REF));
  for (GrammarAST x : outerAltRuleRefs) {
    RuleRefAST rref = (RuleRefAST)x;
    boolean recursive = rref.getText().equals(ruleName);
    boolean rightmost = rref == outerAltRuleRefs.get(outerAltRuleRefs.size()-1);
    if ( recursive && rightmost ) {
      GrammarAST dummyValueNode = new GrammarAST(new CommonToken(ANTLRParser.INT, ""+prec));
      rref.setOption(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME, dummyValueNode);
    }
  }
  return t;
}

public AltAST addPrecedenceArgToRules(AltAST t, int prec) {
  if ( t==null ) return null;
  // get all top-level rule refs from ALT
  List<GrammarAST> outerAltRuleRefs = t.getNodesWithTypePreorderDFS(IntervalSet.of(RULE_REF));
  for (GrammarAST x : outerAltRuleRefs) {
    RuleRefAST rref = (RuleRefAST)x;
    boolean recursive = rref.getText().equals(ruleName);
    boolean rightmost = rref == outerAltRuleRefs.get(outerAltRuleRefs.size()-1);
    if ( recursive && rightmost ) {
      GrammarAST dummyValueNode = new GrammarAST(new CommonToken(ANTLRParser.INT, ""+prec));
      rref.setOption(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME, dummyValueNode);
    }
  }
  return t;
}

public AltAST addPrecedenceArgToRules(AltAST t, int prec) {
  if ( t==null ) return null;
  // get all top-level rule refs from ALT
  List<GrammarAST> outerAltRuleRefs = t.getNodesWithTypePreorderDFS(IntervalSet.of(RULE_REF));
  for (GrammarAST x : outerAltRuleRefs) {
    RuleRefAST rref = (RuleRefAST)x;
    boolean recursive = rref.getText().equals(ruleName);
    boolean rightmost = rref == outerAltRuleRefs.get(outerAltRuleRefs.size()-1);
    if ( recursive && rightmost ) {
      GrammarAST dummyValueNode = new GrammarAST(new CommonToken(ANTLRParser.INT, ""+prec));
      rref.setOption(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME, dummyValueNode);
    }
  }
  return t;
}

public AltAST addPrecedenceArgToRules(AltAST t, int prec) {
  if ( t==null ) return null;
  // get all top-level rule refs from ALT
  List<GrammarAST> outerAltRuleRefs = t.getNodesWithTypePreorderDFS(IntervalSet.of(RULE_REF));
  for (GrammarAST x : outerAltRuleRefs) {
    RuleRefAST rref = (RuleRefAST)x;
    boolean recursive = rref.getText().equals(ruleName);
    boolean rightmost = rref == outerAltRuleRefs.get(outerAltRuleRefs.size()-1);
    if ( recursive && rightmost ) {
      GrammarAST dummyValueNode = new GrammarAST(new CommonToken(ANTLRParser.INT, ""+prec));
      rref.setOption(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME, dummyValueNode);
    }
  }
  return t;
}

public AltAST addPrecedenceArgToRules(AltAST t, int prec) {
  if ( t==null ) return null;
  // get all top-level rule refs from ALT
  List<GrammarAST> outerAltRuleRefs = t.getNodesWithTypePreorderDFS(IntervalSet.of(RULE_REF));
  for (GrammarAST x : outerAltRuleRefs) {
    RuleRefAST rref = (RuleRefAST)x;
    boolean recursive = rref.getText().equals(ruleName);
    boolean rightmost = rref == outerAltRuleRefs.get(outerAltRuleRefs.size()-1);
    if ( recursive && rightmost ) {
      GrammarAST dummyValueNode = new GrammarAST(new CommonToken(ANTLRParser.INT, ""+prec));
      rref.setOption(LeftRecursiveRuleTransformer.PRECEDENCE_OPTION_NAME, dummyValueNode);
    }
  }
  return t;
}