Example usage for org.antlr.v4.runtime.tree ParseTreeListener enterEveryRule

Introduction

In this page you can find the example usage for org.antlr.v4.runtime.tree ParseTreeListener enterEveryRule.

Prototype

void enterEveryRule(ParserRuleContext ctx);

Source Link

Usage

From source file:parser.walkers.SnapTreeWalker.java

License:Open Source License

/**
 * The discovery of a rule node, involves sending two events: the generic
 * {@link ParseTreeListener#enterEveryRule} and a
 * {@link RuleContext}-specific event. First we trigger the generic and then
 * the rule specific. We to them in reverse order upon finishing the node.
 *///from   www.  jav a2 s  . c  o m
protected void enterRule(ParseTreeListener listener, RuleNode r) {
    GlobalInfo info = GlobalInfo.getInstance();
    info.enterRuleSetup();
    ParserRuleContext ctx = (ParserRuleContext) r.getRuleContext();
    listener.enterEveryRule(ctx);
    ctx.enterRule(listener);
}

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