使用Maven编译Antlr4文件

Question

我遇到maven没有编译任何.g4文件的问题，我不知道为什么。我看了几个网站，但由于没有一个非常好的文档，我无法弄清楚我的问题。

这是我的pom.xml

<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>
    <groupId>toreal</groupId>
    <artifactId>toreal</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>TOREAL</name>
    <description>Tableau Optimierung for RElational ALgebra</description>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <antlr4.visitor>true</antlr4.visitor>
        <antlr4.listener>true</antlr4.listener>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>javax.json</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.json</groupId>
            <artifactId>javax.json-api</artifactId>
        </dependency>
        <dependency>
            <groupId>com.googlecode.json-simple</groupId>
            <artifactId>json-simple</artifactId>
        </dependency>
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
        </dependency>
        <dependency>
            <groupId>org.antlr</groupId>
            <artifactId>antlr4</artifactId>
        </dependency>
    </dependencies>

    <build>
        <sourceDirectory>src</sourceDirectory>
        <resources>
            <resource>
                <directory>src</directory>
                <excludes>
                    <exclude>**/*.java</exclude>
                </excludes>
            </resource>
        </resources>
        <pluginManagement>
            <plugins>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.3</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                    </configuration>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>2.6</version>
                    <configuration>
                        <failOnMissingWebXml>false</failOnMissingWebXml>
                        <webappDirectory>../WebContent</webappDirectory>
                        <!-- webappDirectory is relative to sourceDirectory and basepath var 
                            is not working -->
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>org.antlr</groupId>
                    <artifactId>antlr4-maven-plugin</artifactId>
                    <version>4.5.3</version>
                    <configuration>
                        <sourceDirectory>${basedir}/src/parser/antlr4</sourceDirectory>
                        <outputDirectory>${project.build.directory}/generated-sources/antlr4</outputDirectory>
                    </configuration>
                    <executions>
                        <execution>
                            <goals>
                                <goal>antlr4</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <groupId>org.codehouse.mojo</groupId>
                    <artifactId>build-helper-maven-plugin</artifactId>
                    <version>1.12</version>
                    <executions>
                        <execution>
                            <id>add-source</id>
                            <phase>generate-sources</phase>
                            <goals>
                                <goal>add-source</goal>
                            </goals>
                            <configuration>
                                <sources>
                                    <source>target/generated-sources/antlr4</source>
                                </sources>
                            </configuration>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </pluginManagement>
    </build>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.glassfish</groupId>
                <artifactId>javax.json</artifactId>
                <version>1.0.4</version>
            </dependency>
            <dependency>
                <groupId>javax.json</groupId>
                <artifactId>javax.json-api</artifactId>
                <version>1.0</version>
            </dependency>
            <dependency>
                <groupId>com.googlecode.json-simple</groupId>
                <artifactId>json-simple</artifactId>
                <version>1.1.1</version>
            </dependency>
            <dependency>
                <groupId>com.google.code.gson</groupId>
                <artifactId>gson</artifactId>
                <version>2.7</version>
            </dependency>
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>servlet-api</artifactId>
                <version>2.5</version>
            </dependency>
            <dependency>
                <groupId>org.antlr</groupId>
                <artifactId>antlr4</artifactId>
                <version>4.5.3</version>
            </dependency>
            <dependency>
                <groupId>org.antlr</groupId>
                <artifactId>antlr4-runtime</artifactId>
                <version>4.5.3</version>
            </dependency>
        </dependencies>
    </dependencyManagement>
    <packaging>war</packaging>
</project>

我想将.g4文件存储在/src/main/parser/antlr4/，将生成的Java源文件存储在/target/generated-sources/antlr4。这是一个位于/src/main/parser/antlr4/TestLexer.g4

的示例语法

grammar TestLexer

options{
    language = Java;
    output = AST;
}

H: 'Hello';   
W: 'World';

expression : H W;

当我尝试在eclipse中生成源代码（使用maven build或generate-sources或install）时，没有任何反应。这是mvn generate-sources的示例输出：

[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building TOREAL 0.0.1-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.112 s
[INFO] Finished at: 2016-10-20T18:31:04+02:00
[INFO] Final Memory: 7M/241M
[INFO] ------------------------------------------------------------------------

/target/generated-sources文件夹仅包含空annotations文件夹，但不包含Java源文件。

由于我对Maven和Antlr都是全新的，所以我很感激任何帮助，以找出问题所在。