Package step.core.ql

Class OQLFilterVisitor

java.lang.Object

org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>

step.core.ql.OQLBaseVisitor<Filter>

step.core.ql.OQLFilterVisitor

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeVisitor<Filter>, OQLVisitor<Filter>

public class OQLFilterVisitor
extends OQLBaseVisitor<Filter>

Constructor Summary

Constructors

Constructor	Description
OQLFilterVisitor()

Method Summary

Modifier and Type	Method	Description
protected String	unescapeStringAtom(String str)
protected String	unescapeStringIfNecessary(String text1)
Filter	visitAndExpr(OQLParser.AndExprContext ctx)	Visit a parse tree produced by the andExpr labeled alternative in OQLParser.expr().
Filter	visitComparisonExpr(OQLParser.ComparisonExprContext ctx)	Visit a parse tree produced by the comparisonExpr labeled alternative in OQLParser.expr().
Filter	visitEqualityExpr(OQLParser.EqualityExprContext ctx)	Visit a parse tree produced by the equalityExpr labeled alternative in OQLParser.expr().
Filter	visitInExpr(OQLParser.InExprContext ctx)	Visit a parse tree produced by the inExpr labeled alternative in OQLParser.expr().
Filter	visitNonQuotedStringAtom(OQLParser.NonQuotedStringAtomContext ctx)	Visit a parse tree produced by the nonQuotedStringAtom labeled alternative in OQLParser.atom().
Filter	visitNotExpr(OQLParser.NotExprContext ctx)	Visit a parse tree produced by the notExpr labeled alternative in OQLParser.expr().
Filter	visitOrExpr(OQLParser.OrExprContext ctx)	Visit a parse tree produced by the orExpr labeled alternative in OQLParser.expr().
Filter	visitParExpr(OQLParser.ParExprContext ctx)	Visit a parse tree produced by the parExpr labeled alternative in OQLParser.atom().
Filter	visitStringAtom(OQLParser.StringAtomContext ctx)	Visit a parse tree produced by the stringAtom labeled alternative in OQLParser.atom().

Methods inherited from class step.core.ql.OQLBaseVisitor

visitAtomExpr, visitParse

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor

aggregateResult, defaultResult, shouldVisitNextChild, visit, visitChildren, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor

visit, visitChildren, visitErrorNode, visitTerminal

Constructor Detail

OQLFilterVisitor

public OQLFilterVisitor()

Method Detail

visitAndExpr

public Filter visitAndExpr(OQLParser.AndExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the andExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitAndExpr in interface OQLVisitor<Filter>

Overrides:

visitAndExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitEqualityExpr

public Filter visitEqualityExpr(OQLParser.EqualityExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the equalityExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitEqualityExpr in interface OQLVisitor<Filter>

Overrides:

visitEqualityExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitComparisonExpr

public Filter visitComparisonExpr(OQLParser.ComparisonExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the comparisonExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitComparisonExpr in interface OQLVisitor<Filter>

Overrides:

visitComparisonExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

unescapeStringIfNecessary

protected String unescapeStringIfNecessary(String text1)

visitOrExpr

public Filter visitOrExpr(OQLParser.OrExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the orExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitOrExpr in interface OQLVisitor<Filter>

Overrides:

visitOrExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitInExpr

public Filter visitInExpr(OQLParser.InExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the inExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitInExpr in interface OQLVisitor<Filter>

Overrides:

visitInExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitNotExpr

public Filter visitNotExpr(OQLParser.NotExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the notExpr labeled alternative in OQLParser.expr().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitNotExpr in interface OQLVisitor<Filter>

Overrides:

visitNotExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitParExpr

public Filter visitParExpr(OQLParser.ParExprContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the parExpr labeled alternative in OQLParser.atom().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitParExpr in interface OQLVisitor<Filter>

Overrides:

visitParExpr in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitNonQuotedStringAtom

public Filter visitNonQuotedStringAtom(OQLParser.NonQuotedStringAtomContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the nonQuotedStringAtom labeled alternative in OQLParser.atom().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitNonQuotedStringAtom in interface OQLVisitor<Filter>

Overrides:

visitNonQuotedStringAtom in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

visitStringAtom

public Filter visitStringAtom(OQLParser.StringAtomContext ctx)

Description copied from class: OQLBaseVisitor

Visit a parse tree produced by the stringAtom labeled alternative in OQLParser.atom().

The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.

Specified by:

visitStringAtom in interface OQLVisitor<Filter>

Overrides:

visitStringAtom in class OQLBaseVisitor<Filter>

Parameters:

ctx - the parse tree

Returns:

the visitor result

unescapeStringAtom

protected String unescapeStringAtom(String str)