Example usage for org.antlr.v4.tool.ast GrammarAST getChildrenAsArray

Introduction

In this page you can find the example usage for org.antlr.v4.tool.ast GrammarAST getChildrenAsArray.

Prototype

public GrammarAST[] getChildrenAsArray() 

Source Link

Usage

From source file:org.opencypher.tools.grammar.Antlr4ToolFacade.java

License:Apache License

private static RuleAST lastGoodRule(GrammarAST ast) {
    ast = (GrammarAST) ast.getFirstChildWithType(GrammarTreeVisitor.RULES);
    if (ast == null) {
        return null;
    }//from  ww w .j  a v a2  s .  c  o m
    RuleAST last = null;
    for (GrammarAST rule : ast.getChildrenAsArray()) {
        if (rule instanceof RuleAST) {
            last = (RuleAST) rule;
        } else {
            return last;
        }
    }
    return null;
}

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