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Java Predicate with SQL-like syntax support
There is a newer version: 2.1.2
// Generated from /home/griever/Documents/javawork/libra/src/main/java/org/joo/libra/sql/antlr/SqlParser.g4 by ANTLR 4.7

package org.joo.libra.sql.antlr;

import org.antlr.v4.runtime.tree.ParseTreeVisitor;

/**
 * This interface defines a complete generic visitor for a parse tree produced
 * by {@link SqlParser}.
 *
 * @param  The return type of the visit operation. Use {@link Void} for
 * operations with no return type.
 */
public interface SqlParserVisitor extends ParseTreeVisitor {
	/**
	 * Visit a parse tree produced by the {@code expressionExpr}
	 * labeled alternative in {@link SqlParser#predicate}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitExpressionExpr(SqlParser.ExpressionExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code notExpr}
	 * labeled alternative in {@link SqlParser#expression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNotExpr(SqlParser.NotExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code termExpr}
	 * labeled alternative in {@link SqlParser#expression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTermExpr(SqlParser.TermExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code orExpr}
	 * labeled alternative in {@link SqlParser#expression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitOrExpr(SqlParser.OrExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code andExpr}
	 * labeled alternative in {@link SqlParser#expression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitAndExpr(SqlParser.AndExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code compareExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCompareExpr(SqlParser.CompareExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code equalExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitEqualExpr(SqlParser.EqualExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code notEqualExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNotEqualExpr(SqlParser.NotEqualExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code emptyExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitEmptyExpr(SqlParser.EmptyExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code containsExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitContainsExpr(SqlParser.ContainsExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code matchesExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMatchesExpr(SqlParser.MatchesExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code factorExpr}
	 * labeled alternative in {@link SqlParser#term}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFactorExpr(SqlParser.FactorExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code stringExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitStringExpr(SqlParser.StringExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code variableExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableExpr(SqlParser.VariableExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code nullExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNullExpr(SqlParser.NullExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code mathExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMathExpr(SqlParser.MathExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code numberExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNumberExpr(SqlParser.NumberExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code booleanExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBooleanExpr(SqlParser.BooleanExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code parenExpr}
	 * labeled alternative in {@link SqlParser#factor}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitParenExpr(SqlParser.ParenExprContext ctx);
}