X-Git-Url: https://gitweb.ps.run/toc/blobdiff_plain/9f94b672a5dc32da5ad01742bd4e976315a30d9c..c6ad2948bb98d42f8e0883ef82cd14cd2d5eda60:/antlr4-cpp-runtime-4.9.2-source/runtime/src/RuleContextWithAltNum.h diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/RuleContextWithAltNum.h b/antlr4-cpp-runtime-4.9.2-source/runtime/src/RuleContextWithAltNum.h new file mode 100644 index 0000000..995d9aa --- /dev/null +++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/RuleContextWithAltNum.h @@ -0,0 +1,32 @@ +/* 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 "ParserRuleContext.h" + +namespace antlr4 { + + /// A handy class for use with + /// + /// options {contextSuperClass=org.antlr.v4.runtime.RuleContextWithAltNum;} + /// + /// that provides a backing field / impl for the outer alternative number + /// matched for an internal parse tree node. + /// + /// I'm only putting into Java runtime as I'm certain I'm the only one that + /// will really every use this. + class ANTLR4CPP_PUBLIC RuleContextWithAltNum : public ParserRuleContext { + public: + size_t altNum = 0; + + RuleContextWithAltNum(); + RuleContextWithAltNum(ParserRuleContext *parent, int invokingStateNumber); + + virtual size_t getAltNumber() const override; + virtual void setAltNumber(size_t altNum) override; + }; + +} // namespace antlr4