cukexit - the cucumber exit :P in full swing

we have a working antlr parser and even the execution life-cycle working
the main thing pending is now reporting
everything is very compact and arguably tightly-coupled, no interfaces and de-coupling
a test case validates that every gherkin in the karate source tree is parse-able
this karate-antlr sub maven-module is temporary and will merge into karate-core when the time is right

karate-antlr/pom.xml

@@ -0,0 +1,69 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.intuit.karate</groupId>
+        <artifactId>karate-parent</artifactId>
+        <version>0.9.0</version>
+    </parent>
+    <artifactId>karate-antlr</artifactId>
+    <packaging>jar</packaging>
+
+    <properties>
+        <antlr.version>4.7.1</antlr.version>
+    </properties>                              
+
+    <dependencies>        
+        <dependency>
+            <groupId>com.intuit.karate</groupId>
+            <artifactId>karate-apache</artifactId>
+            <version>${project.version}</version>
+        </dependency>              
+        <dependency>
+            <groupId>org.antlr</groupId>
+            <artifactId>antlr4-runtime</artifactId>
+            <version>${antlr.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>        
+    </dependencies>
+
+    <build>
+        <testResources>
+            <testResource>
+                <directory>src/test/java</directory>
+                <excludes>
+                    <exclude>**/*.java</exclude>
+                </excludes>
+            </testResource>
+        </testResources>    
+        <plugins>           
+            <plugin>
+                <groupId>org.antlr</groupId>
+                <artifactId>antlr4-maven-plugin</artifactId>
+                <version>${antlr.version}</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>antlr4</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>${nexus.staging.plugin.version}</version>
+                <configuration>
+                    <skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
+                </configuration>
+            </plugin>            
+        </plugins>
+    </build>             
+
+</project>

karate-antlr/src/main/antlr4/com/intuit/karate/core/KarateLexer.g4

@@ -0,0 +1,53 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2018 Intuit Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+lexer grammar KarateLexer;
+
+FEATURE_COMMENT: WS* '#' ~[\r\n]* BOL+ -> channel(HIDDEN) ;
+FEATURE_TAGS: WS* '@' ~[\r\n]+ BOL+ ;
+FEATURE: 'Feature:' WS* -> pushMode(MAIN) ; // we never popMode !
+
+fragment BOL: [\r\n]+ [ \t]* ; // Beginning Of Line
+fragment WS: [ \t] ;           // White Space
+
+mode MAIN; // ==================================================================
+
+BACKGROUND: BOL+ 'Background:' WS* ;
+SCENARIO: BOL+ 'Scenario:' WS* ;
+SCENARIO_OUTLINE: BOL+ 'Scenario Outline:' WS* ;
+EXAMPLES: BOL+ 'Examples:' WS* ;
+
+STAR: BOL+ '*' WS+ ;
+GIVEN: BOL+ 'Given' WS+ ;
+WHEN: BOL+ 'When' WS+ ;
+THEN: BOL+ 'Then' WS+ ;
+AND: BOL+ 'And' WS+ ;
+BUT: BOL+ 'But' WS+ ;
+
+COMMENT: BOL+ '#' ~[\r\n]* -> channel(HIDDEN) ;
+TAGS: BOL+ '@' ~[\r\n]+ ;
+TABLE_ROW: BOL+ '|' ~[\r\n]+ ;
+DOC_STRING: BOL+ '"""' .*? '"""' ~[\r\n]* ;
+
+CHAR: ~[\r\n] ;
+NEWLINE: BOL+ ;

karate-antlr/src/main/antlr4/com/intuit/karate/core/KarateParser.g4

@@ -0,0 +1,54 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2018 Intuit Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+parser grammar KarateParser ;
+
+options { tokenVocab=KarateLexer; }
+
+feature: featureSection background? ( scenario | scenarioOutline )* NEWLINE? EOF ;
+
+featureSection: FEATURE_TAGS? FEATURE featureDescription;
+
+featureDescription: ~(BACKGROUND | SCENARIO | SCENARIO_OUTLINE)* ;
+
+background: BACKGROUND step* ;
+
+scenario: tags? SCENARIO scenarioDescription step* ;
+
+scenarioDescription: ~(STAR | GIVEN | WHEN | THEN | AND | BUT | SCENARIO | SCENARIO_OUTLINE)* ;
+
+scenarioOutline: tags? SCENARIO_OUTLINE scenarioDescription step* examples+ ;
+
+examples: tags? EXAMPLES table ;
+
+step: prefix line ( docString | table )? ;
+
+prefix: STAR | GIVEN | WHEN | THEN | AND | BUT ;
+
+line: CHAR+ ;
+
+tags: TAGS ;
+
+docString: DOC_STRING ;
+
+table: TABLE_ROW+ ;

karate-antlr/src/main/java/com/intuit/karate/core/Background.java

@@ -0,0 +1,49 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2018 Intuit Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.intuit.karate.core;
+
+import java.util.List;
+
+/**
+ *
+ * @author pthomas3
+ */
+public class Background {
+
+    private List<Step> steps;
+
+    public List<Step> getSteps() {
+        return steps;
+    }
+
+    public void setSteps(List<Step> steps) {
+        this.steps = steps;
+    }     
+
+    @Override
+    public String toString() {
+        return steps == null ? null : steps.toString();
+    }    
+
+}

karate-antlr/src/main/java/com/intuit/karate/core/ExampleTable.java

@@ -0,0 +1,53 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2018 Intuit Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.intuit.karate.core;
+
+import java.util.List;
+
+/**
+ *
+ * @author pthomas3
+ */
+public class ExampleTable {
+
+    private List<Tag> tags;   
+    private Table table;
+
+    public List<Tag> getTags() {
+        return tags;
+    }
+
+    public void setTags(List<Tag> tags) {
+        this.tags = tags;
+    }
+
+    public Table getTable() {
+        return table;
+    }
+
+    public void setTable(Table table) {
+        this.table = table;
+    }
+
+}