// Generated from java-escape by ANTLR 4.11.1
package main.parsers;
import org.antlr.v4.runtime.tree.ParseTreeVisitor;

/**
 * This interface defines a complete generic visitor for a parse tree produced
 * by {@link XGrammarParser}.
 *
 * @param <T> The return type of the visit operation. Use {@link Void} for
 * operations with no return type.
 */
public interface XGrammarVisitor<T> extends ParseTreeVisitor<T> {
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#prog}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitProg(XGrammarParser.ProgContext ctx);
	/**
	 * Visit a parse tree produced by the {@code ap_Slash}
	 * labeled alternative in {@link XGrammarParser#ap}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitAp_Slash(XGrammarParser.Ap_SlashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code ap_Dslash}
	 * labeled alternative in {@link XGrammarParser#ap}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitAp_Dslash(XGrammarParser.Ap_DslashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_DSlash}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_DSlash(XGrammarParser.Rp_DSlashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Wild}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Wild(XGrammarParser.Rp_WildContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Per}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Per(XGrammarParser.Rp_PerContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Filter}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Filter(XGrammarParser.Rp_FilterContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Concat}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Concat(XGrammarParser.Rp_ConcatContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Tag}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Tag(XGrammarParser.Rp_TagContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Text}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Text(XGrammarParser.Rp_TextContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Dper}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Dper(XGrammarParser.Rp_DperContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Slash}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Slash(XGrammarParser.Rp_SlashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Attr}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Attr(XGrammarParser.Rp_AttrContext ctx);
	/**
	 * Visit a parse tree produced by the {@code rp_Par}
	 * labeled alternative in {@link XGrammarParser#rp}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitRp_Par(XGrammarParser.Rp_ParContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Par}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Par(XGrammarParser.F_ParContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Not}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Not(XGrammarParser.F_NotContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Or}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Or(XGrammarParser.F_OrContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Const}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Const(XGrammarParser.F_ConstContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_And}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_And(XGrammarParser.F_AndContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Rp}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Rp(XGrammarParser.F_RpContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Eq}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Eq(XGrammarParser.F_EqContext ctx);
	/**
	 * Visit a parse tree produced by the {@code f_Is}
	 * labeled alternative in {@link XGrammarParser#f}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitF_Is(XGrammarParser.F_IsContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#doc}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDoc(XGrammarParser.DocContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Const}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Const(XGrammarParser.Xq_ConstContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xp_Par}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXp_Par(XGrammarParser.Xp_ParContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Dslash}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Dslash(XGrammarParser.Xq_DslashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Concat}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Concat(XGrammarParser.Xq_ConcatContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Ap}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Ap(XGrammarParser.Xq_ApContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Slash}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Slash(XGrammarParser.Xq_SlashContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Var}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Var(XGrammarParser.Xq_VarContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_FLWR}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_FLWR(XGrammarParser.Xq_FLWRContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Join}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Join(XGrammarParser.Xq_JoinContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Tag}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Tag(XGrammarParser.Xq_TagContext ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Tag2}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Tag2(XGrammarParser.Xq_Tag2Context ctx);
	/**
	 * Visit a parse tree produced by the {@code xq_Let}
	 * labeled alternative in {@link XGrammarParser#xq}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXq_Let(XGrammarParser.Xq_LetContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#forClause}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitForClause(XGrammarParser.ForClauseContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#letClause}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLetClause(XGrammarParser.LetClauseContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#whereClause}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitWhereClause(XGrammarParser.WhereClauseContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#returnClause}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitReturnClause(XGrammarParser.ReturnClauseContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_concat}
	 * labeled alternative in {@link XGrammarParser#returnClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_concat(XGrammarParser.Join_concatContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_tag_no_constr}
	 * labeled alternative in {@link XGrammarParser#returnClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_tag_no_constr(XGrammarParser.Join_tag_no_constrContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_tag_constr}
	 * labeled alternative in {@link XGrammarParser#returnClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_tag_constr(XGrammarParser.Join_tag_constrContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_ap}
	 * labeled alternative in {@link XGrammarParser#returnClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_ap(XGrammarParser.Join_apContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_return}
	 * labeled alternative in {@link XGrammarParser#returnClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_return(XGrammarParser.Join_returnContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_cond_var_eq}
	 * labeled alternative in {@link XGrammarParser#condClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_cond_var_eq(XGrammarParser.Join_cond_var_eqContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_cond_var_const_eq}
	 * labeled alternative in {@link XGrammarParser#condClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_cond_var_const_eq(XGrammarParser.Join_cond_var_const_eqContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_cond_const_eq}
	 * labeled alternative in {@link XGrammarParser#condClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_cond_const_eq(XGrammarParser.Join_cond_const_eqContext ctx);
	/**
	 * Visit a parse tree produced by the {@code join_cond_and}
	 * labeled alternative in {@link XGrammarParser#condClauseJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin_cond_and(XGrammarParser.Join_cond_andContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#attrList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitAttrList(XGrammarParser.AttrListContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#xqJoin}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitXqJoin(XGrammarParser.XqJoinContext ctx);
	/**
	 * Visit a parse tree produced by {@link XGrammarParser#join}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitJoin(XGrammarParser.JoinContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_And}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_And(XGrammarParser.Cond_AndContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Eq}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Eq(XGrammarParser.Cond_EqContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Is}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Is(XGrammarParser.Cond_IsContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Some}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Some(XGrammarParser.Cond_SomeContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Not}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Not(XGrammarParser.Cond_NotContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Par}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Par(XGrammarParser.Cond_ParContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Empty}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Empty(XGrammarParser.Cond_EmptyContext ctx);
	/**
	 * Visit a parse tree produced by the {@code cond_Or}
	 * labeled alternative in {@link XGrammarParser#cond}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCond_Or(XGrammarParser.Cond_OrContext ctx);
}