How to use

getAllChildrenWithType

method

in

org.antlr.v4.tool.ast.BlockAST

ruleParent.freshenParentAndChildIndexes(rule.ast.getChildIndex());
List<GrammarAST> alts = block.getAllChildrenWithType(ANTLRParser.ALT);
Rule variant = new Rule(_g, ast.getChild(0).getText(), ast, alts.size());
_g.defineRule(variant);
ruleParent.freshenParentAndChildIndexes(rule.ast.getChildIndex());
List<GrammarAST> alts = unfactoredBlock.getAllChildrenWithType(ANTLRParser.ALT);
Rule variant = new Rule(_g, unfactoredAst.getChild(0).getText(), unfactoredAst, alts.size());
_g.defineRule(variant);