Sha256: d1cd27ce0709ffd8e8a5708bdb35db9d6e3efb830b7d8ac161f5c5494dd0d823
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Size: 1007 Bytes
Versions: 27
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Stored size: 1007 Bytes
Contents
/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
#pragma once
#include "antlr4-common.h"
namespace antlr4 {
namespace tree {
class ANTLR4CPP_PUBLIC ParseTreeWalker {
public:
static ParseTreeWalker &DEFAULT;
virtual ~ParseTreeWalker();
virtual void walk(ParseTreeListener *listener, ParseTree *t) const;
protected:
/// The discovery of a rule node, involves sending two events: the generic
/// <seealso cref="ParseTreeListener#enterEveryRule"/> and a
/// <seealso cref="RuleContext"/>-specific event. First we trigger the generic and then
/// the rule specific. We do them in reverse order upon finishing the node.
virtual void enterRule(ParseTreeListener *listener, ParseTree *r) const;
virtual void exitRule(ParseTreeListener *listener, ParseTree *r) const;
};
} // namespace tree
} // namespace antlr4
Version data entries
27 entries across 27 versions & 2 rubygems