Example usage for org.antlr.v4.runtime RuleContext getChildCount

Introduction

In this page you can find the example usage for org.antlr.v4.runtime RuleContext getChildCount.

Prototype

@Override
    public int getChildCount() 

Source Link

Usage

From source file:com.twosigma.beaker.groovy.autocomplete.GroovyNodeCompletion.java

License:Apache License

private ParseTree findLeftSibling(RuleContext ctx) {
    RuleContext p = ctx.getParent();
    if (p != null) {
        for (int i = 0; i < p.getChildCount(); i++) {
            if (p.getChild(i).equals(ctx)) {
                if (i > 0)
                    return p.getChild(i - 1);
                break;
            }//  w  ww . j a v a  2s  . co m
        }
    }
    return null;
}

---

From source file:compile.compilersource.ASTPrinter.java

public static String explore(RuleContext context, int indentation) {
    System.out.println(MessageFormat.format("explore context nullcheck: {0}", context == null));

    String output = "";
    String RuleName = myGrammarParser.ruleNames[context.getRuleIndex()];
    for (int c = 0; c < indentation; c++) {
        System.out.print("  ");
        output += "  ";
    }//www . java2s .co  m
    System.out.println(RuleName);
    output += RuleName;
    for (int c = 0; c < context.getChildCount(); c++) {
        ParseTree element = context.getChild(c);
        if (element instanceof RuleContext) {
            output += explore((RuleContext) element, indentation + 1);
        }
    }
    return output;
}

---

From source file:compile.compilersource.CompilerHelper.java

public static String explore(RuleContext context, int indentation) {
    String output = "";
    String RuleName = myGrammarParser.ruleNames[context.getRuleIndex()];
    for (int c = 0; c < indentation; c++) {
        System.out.print("  ");
        output += "  ";
    }/*from www.  ja  va  2 s . co  m*/
    System.out.println(RuleName);
    output += RuleName + "\n";
    for (int c = 0; c < context.getChildCount(); c++) {
        ParseTree element = context.getChild(c);
        if (element instanceof RuleContext) {
            output += explore((RuleContext) element, indentation + 1);
        }
    }
    return output;
}

---