• Home
• com.alibaba
• QLExpress4
• 4.0.0-beta.1
• source code

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

LExpress4.4.0.0-beta.1.source-code.QLParserVisitor Maven / Gradle / Ivy

// Generated from QLParser.g4 by ANTLR 4.9.3

    package com.alibaba.qlexpress4.aparser;
    import static com.alibaba.qlexpress4.aparser.ParserOperatorManager.OpType.*;
    import static com.alibaba.qlexpress4.QLPrecedences.*;
    import static com.alibaba.qlexpress4.aparser.InterpolationMode.*;

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

/**
 * This interface defines a complete generic visitor for a parse tree produced
 * by {@link QLParser}.
 *
 * @param  The return type of the visit operation. Use {@link Void} for
 * operations with no return type.
 */
public interface QLParserVisitor extends ParseTreeVisitor {
	/**
	 * Visit a parse tree produced by {@link QLParser#program}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitProgram(QLParser.ProgramContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#blockStatements}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBlockStatements(QLParser.BlockStatementsContext ctx);
	/**
	 * Visit a parse tree produced by the {@code localVariableDeclarationStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLocalVariableDeclarationStatement(QLParser.LocalVariableDeclarationStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code throwStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitThrowStatement(QLParser.ThrowStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code whileStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitWhileStatement(QLParser.WhileStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code traditionalForStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTraditionalForStatement(QLParser.TraditionalForStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code forEachStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitForEachStatement(QLParser.ForEachStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code functionStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFunctionStatement(QLParser.FunctionStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code macroStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMacroStatement(QLParser.MacroStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code breakContinueStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBreakContinueStatement(QLParser.BreakContinueStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code returnStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitReturnStatement(QLParser.ReturnStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code emptyStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitEmptyStatement(QLParser.EmptyStatementContext ctx);
	/**
	 * Visit a parse tree produced by the {@code expressionStatement}
	 * labeled alternative in {@link QLParser#blockStatement}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitExpressionStatement(QLParser.ExpressionStatementContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#localVariableDeclaration}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLocalVariableDeclaration(QLParser.LocalVariableDeclarationContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#forInit}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitForInit(QLParser.ForInitContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#variableDeclaratorList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableDeclaratorList(QLParser.VariableDeclaratorListContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#variableDeclarator}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableDeclarator(QLParser.VariableDeclaratorContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#variableDeclaratorId}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableDeclaratorId(QLParser.VariableDeclaratorIdContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#variableInitializer}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableInitializer(QLParser.VariableInitializerContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#arrayInitializer}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitArrayInitializer(QLParser.ArrayInitializerContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#variableInitializerList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVariableInitializerList(QLParser.VariableInitializerListContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#declType}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDeclType(QLParser.DeclTypeContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#declTypeNoArr}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDeclTypeNoArr(QLParser.DeclTypeNoArrContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#primitiveType}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitPrimitiveType(QLParser.PrimitiveTypeContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#referenceType}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitReferenceType(QLParser.ReferenceTypeContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#dims}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDims(QLParser.DimsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#clsTypeNoTypeArguments}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitClsTypeNoTypeArguments(QLParser.ClsTypeNoTypeArgumentsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#clsType}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitClsType(QLParser.ClsTypeContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#typeArguments}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTypeArguments(QLParser.TypeArgumentsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#typeArgumentList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTypeArgumentList(QLParser.TypeArgumentListContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#typeArgument}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTypeArgument(QLParser.TypeArgumentContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#wildcard}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitWildcard(QLParser.WildcardContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#wildcardBounds}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitWildcardBounds(QLParser.WildcardBoundsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#expression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitExpression(QLParser.ExpressionContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#leftHandSide}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLeftHandSide(QLParser.LeftHandSideContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#ternaryExpr}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTernaryExpr(QLParser.TernaryExprContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#baseExpr}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBaseExpr(QLParser.BaseExprContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#leftAsso}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLeftAsso(QLParser.LeftAssoContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#binaryop}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBinaryop(QLParser.BinaryopContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#primary}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitPrimary(QLParser.PrimaryContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#prefixExpress}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitPrefixExpress(QLParser.PrefixExpressContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#suffixExpress}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitSuffixExpress(QLParser.SuffixExpressContext ctx);
	/**
	 * Visit a parse tree produced by the {@code constExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitConstExpr(QLParser.ConstExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code castExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCastExpr(QLParser.CastExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code groupExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitGroupExpr(QLParser.GroupExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code newObjExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNewObjExpr(QLParser.NewObjExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code newEmptyArrExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNewEmptyArrExpr(QLParser.NewEmptyArrExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code newInitArrExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitNewInitArrExpr(QLParser.NewInitArrExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code lambdaExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLambdaExpr(QLParser.LambdaExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code varIdExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVarIdExpr(QLParser.VarIdExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code typeExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTypeExpr(QLParser.TypeExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code listExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitListExpr(QLParser.ListExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code mapExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMapExpr(QLParser.MapExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code blockExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBlockExpr(QLParser.BlockExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code ifExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitIfExpr(QLParser.IfExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code tryCatchExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTryCatchExpr(QLParser.TryCatchExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code contextSelectExpr}
	 * labeled alternative in {@link QLParser#primaryNoFix}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitContextSelectExpr(QLParser.ContextSelectExprContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#ifBody}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitIfBody(QLParser.IfBodyContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#listItems}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitListItems(QLParser.ListItemsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#dimExprs}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDimExprs(QLParser.DimExprsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#tryCatches}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTryCatches(QLParser.TryCatchesContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#tryCatch}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTryCatch(QLParser.TryCatchContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#catchParams}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCatchParams(QLParser.CatchParamsContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#tryFinally}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitTryFinally(QLParser.TryFinallyContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#mapEntries}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMapEntries(QLParser.MapEntriesContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#mapEntry}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMapEntry(QLParser.MapEntryContext ctx);
	/**
	 * Visit a parse tree produced by the {@code clsValue}
	 * labeled alternative in {@link QLParser#mapValue}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitClsValue(QLParser.ClsValueContext ctx);
	/**
	 * Visit a parse tree produced by the {@code eValue}
	 * labeled alternative in {@link QLParser#mapValue}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitEValue(QLParser.EValueContext ctx);
	/**
	 * Visit a parse tree produced by the {@code idKey}
	 * labeled alternative in {@link QLParser#mapKey}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitIdKey(QLParser.IdKeyContext ctx);
	/**
	 * Visit a parse tree produced by the {@code stringKey}
	 * labeled alternative in {@link QLParser#mapKey}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitStringKey(QLParser.StringKeyContext ctx);
	/**
	 * Visit a parse tree produced by the {@code quoteStringKey}
	 * labeled alternative in {@link QLParser#mapKey}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitQuoteStringKey(QLParser.QuoteStringKeyContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#idMapKey}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitIdMapKey(QLParser.IdMapKeyContext ctx);
	/**
	 * Visit a parse tree produced by the {@code methodInvoke}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMethodInvoke(QLParser.MethodInvokeContext ctx);
	/**
	 * Visit a parse tree produced by the {@code optionalMethodInvoke}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitOptionalMethodInvoke(QLParser.OptionalMethodInvokeContext ctx);
	/**
	 * Visit a parse tree produced by the {@code spreadMethodInvoke}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitSpreadMethodInvoke(QLParser.SpreadMethodInvokeContext ctx);
	/**
	 * Visit a parse tree produced by the {@code fieldAccess}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFieldAccess(QLParser.FieldAccessContext ctx);
	/**
	 * Visit a parse tree produced by the {@code optionalFieldAccess}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitOptionalFieldAccess(QLParser.OptionalFieldAccessContext ctx);
	/**
	 * Visit a parse tree produced by the {@code spreadFieldAccess}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitSpreadFieldAccess(QLParser.SpreadFieldAccessContext ctx);
	/**
	 * Visit a parse tree produced by the {@code methodAccess}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitMethodAccess(QLParser.MethodAccessContext ctx);
	/**
	 * Visit a parse tree produced by the {@code callExpr}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCallExpr(QLParser.CallExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code indexExpr}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitIndexExpr(QLParser.IndexExprContext ctx);
	/**
	 * Visit a parse tree produced by the {@code customPath}
	 * labeled alternative in {@link QLParser#pathPart}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitCustomPath(QLParser.CustomPathContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#fieldId}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFieldId(QLParser.FieldIdContext ctx);
	/**
	 * Visit a parse tree produced by the {@code singleIndex}
	 * labeled alternative in {@link QLParser#indexValueExpr}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitSingleIndex(QLParser.SingleIndexContext ctx);
	/**
	 * Visit a parse tree produced by the {@code sliceIndex}
	 * labeled alternative in {@link QLParser#indexValueExpr}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitSliceIndex(QLParser.SliceIndexContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#argumentList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitArgumentList(QLParser.ArgumentListContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#literal}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLiteral(QLParser.LiteralContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#doubleQuoteStringLiteral}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitDoubleQuoteStringLiteral(QLParser.DoubleQuoteStringLiteralContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#stringExpression}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitStringExpression(QLParser.StringExpressionContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#boolenLiteral}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitBoolenLiteral(QLParser.BoolenLiteralContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#lambdaParameters}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitLambdaParameters(QLParser.LambdaParametersContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#formalOrInferredParameterList}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFormalOrInferredParameterList(QLParser.FormalOrInferredParameterListContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#formalOrInferredParameter}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitFormalOrInferredParameter(QLParser.FormalOrInferredParameterContext ctx);
	/**
	 * Visit a parse tree produced by the {@code importCls}
	 * labeled alternative in {@link QLParser#importDeclaration}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitImportCls(QLParser.ImportClsContext ctx);
	/**
	 * Visit a parse tree produced by the {@code importPack}
	 * labeled alternative in {@link QLParser#importDeclaration}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitImportPack(QLParser.ImportPackContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#assignOperator}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitAssignOperator(QLParser.AssignOperatorContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#opId}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitOpId(QLParser.OpIdContext ctx);
	/**
	 * Visit a parse tree produced by {@link QLParser#varId}.
	 * @param ctx the parse tree
	 * @return the visitor result
	 */
	T visitVarId(QLParser.VarIdContext ctx);
}