Remove generated gherkin code from coverage report

- Take the chance to remove / deprecate autogenerated classes that are
   not needed and were not used.

pmd-gherkin/pom.xml

@@ -18,6 +18,28 @@
                 <artifactId>antlr4-maven-plugin</artifactId>
             </plugin>
 
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-antrun-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>antlr-cleanup</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>run</goal>
+                        </goals>
+                        <configuration>
+                            <target>
+                                <ant antfile="${antlr4.ant.wrapper}" target="cpd-language">
+                                    <property name="lang-name" value="Gherkin" />
+                                    <property name="lang-id" value="gherkin" />
+                                </ant>
+                            </target>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
             <plugin>
                 <artifactId>maven-resources-plugin</artifactId>
                 <configuration>

pmd-gherkin/src/main/java/net/sourceforge/pmd/lang/gherkin/ast/GherkinBaseVisitor.java

@@ -0,0 +1,192 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+// CHECKSTYLE:OFF
+// Generated from net/sourceforge/pmd/lang/gherkin/ast/Gherkin.g4 by ANTLR 4.9.3
+package net.sourceforge.pmd.lang.gherkin.ast;
+import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
+
+/**
+ * This class provides an empty implementation of {@link GherkinVisitor},
+ * which can be extended to create a visitor which only needs to handle a subset
+ * of the available methods.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ *
+ * @deprecated Since 7.8.0. This class was never intended to be generated. It will be removed with no replacement.
+ */
+
+@Deprecated
+@net.sourceforge.pmd.annotation.Generated("org.antlr.v4.Tool")
+ public class GherkinBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements GherkinVisitor<T> {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitMain(GherkinParser.MainContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitFeature(GherkinParser.FeatureContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInstructionLine(GherkinParser.InstructionLineContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInstruction(GherkinParser.InstructionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStepInstruction(GherkinParser.StepInstructionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBackground(GherkinParser.BackgroundContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitRulex(GherkinParser.RulexContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitScenario(GherkinParser.ScenarioContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitScenarioOutline(GherkinParser.ScenarioOutlineContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStep(GherkinParser.StepContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStepItem(GherkinParser.StepItemContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitTagline(GherkinParser.TaglineContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAnd(GherkinParser.AndContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitAnystep(GherkinParser.AnystepContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitBut(GherkinParser.ButContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDatatable(GherkinParser.DatatableContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitGiven(GherkinParser.GivenContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitThen(GherkinParser.ThenContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitWhen(GherkinParser.WhenContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitExamples(GherkinParser.ExamplesContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitInstructionDescription(GherkinParser.InstructionDescriptionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitStepDescription(GherkinParser.StepDescriptionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitDescription(GherkinParser.DescriptionContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitText(GherkinParser.TextContext ctx) { return visitChildren(ctx); }
+}

pmd-gherkin/src/main/java/net/sourceforge/pmd/lang/gherkin/ast/GherkinListener.java

@@ -0,0 +1,260 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+// CHECKSTYLE:OFF
+// Generated from net/sourceforge/pmd/lang/gherkin/ast/Gherkin.g4 by ANTLR 4.9.3
+package net.sourceforge.pmd.lang.gherkin.ast;
+import org.antlr.v4.runtime.tree.ParseTreeListener;
+
+/**
+ * This interface defines a complete listener for a parse tree produced by
+ * {@link GherkinParser}.
+ *
+ * @deprecated Since 7.8.0. This class was never intended to be generated. It will be removed with no replacement.
+ */
+
+@Deprecated
+@net.sourceforge.pmd.annotation.Generated("org.antlr.v4.Tool")
+ public interface GherkinListener extends ParseTreeListener {
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#main}.
+	 * @param ctx the parse tree
+	 */
+	void enterMain(GherkinParser.MainContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#main}.
+	 * @param ctx the parse tree
+	 */
+	void exitMain(GherkinParser.MainContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#feature}.
+	 * @param ctx the parse tree
+	 */
+	void enterFeature(GherkinParser.FeatureContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#feature}.
+	 * @param ctx the parse tree
+	 */
+	void exitFeature(GherkinParser.FeatureContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#instructionLine}.
+	 * @param ctx the parse tree
+	 */
+	void enterInstructionLine(GherkinParser.InstructionLineContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#instructionLine}.
+	 * @param ctx the parse tree
+	 */
+	void exitInstructionLine(GherkinParser.InstructionLineContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#instruction}.
+	 * @param ctx the parse tree
+	 */
+	void enterInstruction(GherkinParser.InstructionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#instruction}.
+	 * @param ctx the parse tree
+	 */
+	void exitInstruction(GherkinParser.InstructionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#stepInstruction}.
+	 * @param ctx the parse tree
+	 */
+	void enterStepInstruction(GherkinParser.StepInstructionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#stepInstruction}.
+	 * @param ctx the parse tree
+	 */
+	void exitStepInstruction(GherkinParser.StepInstructionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#background}.
+	 * @param ctx the parse tree
+	 */
+	void enterBackground(GherkinParser.BackgroundContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#background}.
+	 * @param ctx the parse tree
+	 */
+	void exitBackground(GherkinParser.BackgroundContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#rulex}.
+	 * @param ctx the parse tree
+	 */
+	void enterRulex(GherkinParser.RulexContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#rulex}.
+	 * @param ctx the parse tree
+	 */
+	void exitRulex(GherkinParser.RulexContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#scenario}.
+	 * @param ctx the parse tree
+	 */
+	void enterScenario(GherkinParser.ScenarioContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#scenario}.
+	 * @param ctx the parse tree
+	 */
+	void exitScenario(GherkinParser.ScenarioContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#scenarioOutline}.
+	 * @param ctx the parse tree
+	 */
+	void enterScenarioOutline(GherkinParser.ScenarioOutlineContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#scenarioOutline}.
+	 * @param ctx the parse tree
+	 */
+	void exitScenarioOutline(GherkinParser.ScenarioOutlineContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#step}.
+	 * @param ctx the parse tree
+	 */
+	void enterStep(GherkinParser.StepContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#step}.
+	 * @param ctx the parse tree
+	 */
+	void exitStep(GherkinParser.StepContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#stepItem}.
+	 * @param ctx the parse tree
+	 */
+	void enterStepItem(GherkinParser.StepItemContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#stepItem}.
+	 * @param ctx the parse tree
+	 */
+	void exitStepItem(GherkinParser.StepItemContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#tagline}.
+	 * @param ctx the parse tree
+	 */
+	void enterTagline(GherkinParser.TaglineContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#tagline}.
+	 * @param ctx the parse tree
+	 */
+	void exitTagline(GherkinParser.TaglineContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#and}.
+	 * @param ctx the parse tree
+	 */
+	void enterAnd(GherkinParser.AndContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#and}.
+	 * @param ctx the parse tree
+	 */
+	void exitAnd(GherkinParser.AndContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#anystep}.
+	 * @param ctx the parse tree
+	 */
+	void enterAnystep(GherkinParser.AnystepContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#anystep}.
+	 * @param ctx the parse tree
+	 */
+	void exitAnystep(GherkinParser.AnystepContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#but}.
+	 * @param ctx the parse tree
+	 */
+	void enterBut(GherkinParser.ButContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#but}.
+	 * @param ctx the parse tree
+	 */
+	void exitBut(GherkinParser.ButContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#datatable}.
+	 * @param ctx the parse tree
+	 */
+	void enterDatatable(GherkinParser.DatatableContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#datatable}.
+	 * @param ctx the parse tree
+	 */
+	void exitDatatable(GherkinParser.DatatableContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#given}.
+	 * @param ctx the parse tree
+	 */
+	void enterGiven(GherkinParser.GivenContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#given}.
+	 * @param ctx the parse tree
+	 */
+	void exitGiven(GherkinParser.GivenContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#then}.
+	 * @param ctx the parse tree
+	 */
+	void enterThen(GherkinParser.ThenContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#then}.
+	 * @param ctx the parse tree
+	 */
+	void exitThen(GherkinParser.ThenContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#when}.
+	 * @param ctx the parse tree
+	 */
+	void enterWhen(GherkinParser.WhenContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#when}.
+	 * @param ctx the parse tree
+	 */
+	void exitWhen(GherkinParser.WhenContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#examples}.
+	 * @param ctx the parse tree
+	 */
+	void enterExamples(GherkinParser.ExamplesContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#examples}.
+	 * @param ctx the parse tree
+	 */
+	void exitExamples(GherkinParser.ExamplesContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#instructionDescription}.
+	 * @param ctx the parse tree
+	 */
+	void enterInstructionDescription(GherkinParser.InstructionDescriptionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#instructionDescription}.
+	 * @param ctx the parse tree
+	 */
+	void exitInstructionDescription(GherkinParser.InstructionDescriptionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#stepDescription}.
+	 * @param ctx the parse tree
+	 */
+	void enterStepDescription(GherkinParser.StepDescriptionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#stepDescription}.
+	 * @param ctx the parse tree
+	 */
+	void exitStepDescription(GherkinParser.StepDescriptionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#description}.
+	 * @param ctx the parse tree
+	 */
+	void enterDescription(GherkinParser.DescriptionContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#description}.
+	 * @param ctx the parse tree
+	 */
+	void exitDescription(GherkinParser.DescriptionContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link GherkinParser#text}.
+	 * @param ctx the parse tree
+	 */
+	void enterText(GherkinParser.TextContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link GherkinParser#text}.
+	 * @param ctx the parse tree
+	 */
+	void exitText(GherkinParser.TextContext ctx);
+}

pmd-gherkin/src/main/java/net/sourceforge/pmd/lang/gherkin/ast/GherkinVisitor.java

@@ -0,0 +1,167 @@
+/*
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+// CHECKSTYLE:OFF
+// Generated from net/sourceforge/pmd/lang/gherkin/ast/Gherkin.g4 by ANTLR 4.9.3
+package net.sourceforge.pmd.lang.gherkin.ast;
+import org.antlr.v4.runtime.tree.ParseTreeVisitor;
+
+/**
+ * This interface defines a complete generic visitor for a parse tree produced
+ * by {@link GherkinParser}.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ *
+ * @deprecated Since 7.8.0. This class was never intended to be generated. It will be removed with no replacement.
+ */
+
+@Deprecated
+@net.sourceforge.pmd.annotation.Generated("org.antlr.v4.Tool")
+ public interface GherkinVisitor<T> extends ParseTreeVisitor<T> {
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#main}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitMain(GherkinParser.MainContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#feature}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitFeature(GherkinParser.FeatureContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#instructionLine}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInstructionLine(GherkinParser.InstructionLineContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#instruction}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInstruction(GherkinParser.InstructionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#stepInstruction}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStepInstruction(GherkinParser.StepInstructionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#background}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBackground(GherkinParser.BackgroundContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#rulex}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitRulex(GherkinParser.RulexContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#scenario}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitScenario(GherkinParser.ScenarioContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#scenarioOutline}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitScenarioOutline(GherkinParser.ScenarioOutlineContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#step}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStep(GherkinParser.StepContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#stepItem}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStepItem(GherkinParser.StepItemContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#tagline}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitTagline(GherkinParser.TaglineContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#and}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAnd(GherkinParser.AndContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#anystep}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitAnystep(GherkinParser.AnystepContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#but}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitBut(GherkinParser.ButContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#datatable}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDatatable(GherkinParser.DatatableContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#given}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitGiven(GherkinParser.GivenContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#then}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitThen(GherkinParser.ThenContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#when}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitWhen(GherkinParser.WhenContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#examples}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitExamples(GherkinParser.ExamplesContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#instructionDescription}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitInstructionDescription(GherkinParser.InstructionDescriptionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#stepDescription}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitStepDescription(GherkinParser.StepDescriptionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#description}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitDescription(GherkinParser.DescriptionContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link GherkinParser#text}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitText(GherkinParser.TextContext ctx);
+}