<?xml version="1.0"?>
<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/maven-v4_0_0.xsd">
  <parent>
    <groupId>org.neo4j</groupId>
    <artifactId>cypher-v5-parser-parent</artifactId>
    <version>2025.09.0</version>
    <relativePath>../pom.xml</relativePath>
  </parent>

  <modelVersion>4.0.0</modelVersion>
  <artifactId>cypher-v5-antlr-parser</artifactId>
  <packaging>jar</packaging>
  <name>Cypher 5 ANTLR based parser</name>

  <description>Cypher 5 ANTLR based parser</description>

  <properties>
    <moduleName>org.neo4j.cypher.internal.parser.antlr4</moduleName>
    <spotless.check.skip>true</spotless.check.skip>
    <dependency.analyze.failOnWarning>true</dependency.analyze.failOnWarning>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.antlr</groupId>
      <artifactId>antlr4-runtime</artifactId>
    </dependency>
    <dependency>
      <groupId>org.neo4j</groupId>
      <artifactId>cypher-antlr-common</artifactId>
      <version>${project.version}</version>
    </dependency>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter</artifactId>
    </dependency>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-api</artifactId>
      <version>${junit.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.assertj</groupId>
      <artifactId>assertj-core</artifactId>
    </dependency>
  </dependencies>

  <build>
    <plugins>
      <plugin>
        <groupId>org.antlr</groupId>
        <artifactId>antlr4-maven-plugin</artifactId>
        <version>${antlr.version}</version>
        <executions>
          <execution>
            <id>antlr</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>antlr4</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <options>
            <contextSuperClass>org.neo4j.cypher.internal.parser.AstRuleCtx</contextSuperClass>
          </options>
          <listener>false</listener> <!-- We have our own optimised listener -->
          <visitor>false</visitor>
          <outputDirectory>${basedir}/src/main/java/</outputDirectory>
          <treatWarningsAsErrors>true</treatWarningsAsErrors>
        </configuration>
      </plugin>
      <plugin>
        <groupId>com.mycila</groupId>
        <artifactId>license-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>check-licenses</id>
            <goals>
              <goal>format</goal>
            </goals>
            <phase>process-sources</phase>
            <configuration>
              <skip>false</skip> <!-- Never skip license:format here since these files are generated -->
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>com.diffplug.spotless</groupId>
        <artifactId>spotless-maven-plugin</artifactId>
        <configuration>
          <java>
            <excludes>
              <!-- These files causes stack overflow -->
              <exclude>src/main/java/org/neo4j/cypher/internal/parser/v5/*.java</exclude>
            </excludes>
          </java>
        </configuration>
      </plugin>
      <plugin>
        <!-- disable scala-maven-plugin, because we have no scala -->
        <groupId>net.alchim31.maven</groupId>
        <artifactId>scala-maven-plugin</artifactId>
        <executions>
          <execution>
            <id>scala-compile</id>
            <phase>none</phase>
          </execution>
        </executions>
        <configuration>
          <skip>true</skip>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-enforcer-plugin</artifactId>
        <executions>
          <execution>
            <id>default</id>
            <goals>
              <goal>enforce</goal>
            </goals>
            <configuration>
              <rules>
                <!-- Antlr generates star imports so ignore it -->
                <RestrictImports>
                  <excludedSourceRoot>${basedir}/src/main/java/</excludedSourceRoot>
                </RestrictImports>
              </rules>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-assembly-plugin</artifactId>
        <configuration>
          <encoding>UTF-8</encoding>
          <appendAssemblyId>true</appendAssemblyId>
        </configuration>
        <executions>
          <execution>
            <phase>package</phase>
            <id>grammar</id>
            <goals>
              <goal>single</goal>
            </goals>
            <configuration>
              <descriptors>
                <descriptor>src/main/assembly/grammar.xml</descriptor>
              </descriptors>
            </configuration>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

  <profiles>
    <!-- Profile to ignore check for changes to generated parser. -->
    <profile>
      <id>check-generated-antlr</id>
      <activation>
        <property>
          <name>!generate.antlr</name>
        </property>
      </activation>
      <build>
        <plugins>
          <plugin>
            <inherited>false</inherited>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-antrun-plugin</artifactId>
            <executions>
              <execution>
                <!-- Copy the old generated parser files to target, see next step. -->
                <id>copy-generated-antlr</id>
                <phase>initialize</phase>
                <goals>
                  <goal>run</goal>
                </goals>
                <configuration>
                  <target>
                    <delete dir="${basedir}/target/old-generated-antlr"/>
                    <copy todir="${basedir}/target/old-generated-antlr">
                      <fileset dir="${basedir}/src/main/java" includes="**/*.java"/>
                    </copy>
                  </target>
                </configuration>
              </execution>
              <execution>
                <!-- Fail build if generated antlr parser files have changed.
                     To prevent changes to grammar or antlr version without re-generating and checking in the generated files.
                     Needed because we check in the generated parser in VCS. -->
                <id>check-generated-antlr</id>
                <phase>verify</phase>
                <goals>
                  <goal>run</goal>
                </goals>
                <configuration>
                  <target>
                    <property name="parser-old-path"
                              value="${basedir}/target/old-generated-antlr/org/neo4j/cypher/internal/parser/v5/Cypher5Parser.java"/>
                    <property name="parser-new-path"
                              value="${basedir}/src/main/java/org/neo4j/cypher/internal/parser/v5/Cypher5Parser.java"/>
                    <property name="lexer-old-path"
                              value="${basedir}/target/old-generated-antlr/org/neo4j/cypher/internal/parser/v5/Cypher5Lexer.java"/>
                    <property name="lexer-new-path"
                              value="${basedir}/src/main/java/org/neo4j/cypher/internal/parser/v5/Cypher5Lexer.java"/>

                    <!-- Uncomment to debug failures

                    <exec executable="diff">
                        <arg value="-s" />
                        <arg value="${parser-old-path}" />
                        <arg value="${parser-new-path}" />
                        <redirector output="parser-diff.txt"/>
                    </exec>
                    <loadfile property="parser-diff" srcFile="parser-diff.txt" />
                    <echo>diff -s ${parser-old-path} ${parser-new-path}</echo>
                    <echo>${parser-diff}</echo>

                    <exec executable="diff">
                        <arg value="-s" />
                        <arg value="${lexer-old-path}" />
                        <arg value="${lexer-new-path}" />
                        <redirector output="lexer-diff.txt"/>
                    </exec>
                    <loadfile property="lexer-diff" srcFile="lexer-diff.txt" />
                    <echo>diff -s ${lexer-old-path} ${lexer-new-path}</echo>
                    <echo>${lexer-diff}</echo>
                    -->

                    <fail
                        message="Generated parser files have changed, please re-generate the parser (build with -Dgenerate.antlr) and commit changes to git.">
                      <condition>
                        <not>
                          <and>
                            <filesmatch textfile="true" file1="${parser-old-path}" file2="${parser-new-path}"/>
                            <filesmatch textfile="true" file1="${lexer-old-path}" file2="${lexer-new-path}"/>
                          </and>
                        </not>
                      </condition>
                    </fail>
                  </target>
                </configuration>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>
</project>
