--precompile 标志应该做什么？
What is the --precompile flag supposed to do?
我正在使用 Spoon 在带注释的 类 上生成代码，这样我就可以减少我正在从事的项目的样板文件和代码重复。
由于项目很小，所以我一直在寻找方法，这样我就不必将整个项目分成两个甚至三个必须按顺序编译的不同项目，所以我的 AnnotationProcessor 在
可用
查看 the Spoon documentation 我找到了 --precompile 标志，据我所知，它应该预编译整个源代码并将其添加到类路径中，因此 Spoon 将在 运行 时间找到处理器和其他东西。
但是根据我在 运行 时遇到的错误，它似乎不起作用，即使我添加了选项，我仍然缺少处理器。
[INFO] --- exec-maven-plugin:1.5.0:java (execute-spoon) @ JHTML5 ---
12:29:50.454 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.456 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiling sources: []
12:29:50.539 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compile args: [-encoding, UTF-8, -cp, .;/C:/Data/CrumbleWorks_java/JHTML5/target/classes;/C:/Data/Maven/repo/fr/inria/gforge/spoon/spoon-core/5.4.0/spoon-core-5.4.0.jar;/C:/Data/Maven/repo/org/eclipse/jdt/org.eclipse.jdt.core/3.12.0.v20160516-2131/org.eclipse.jdt.core-3.12.0.v20160516-2131.jar;/C:/Data/Maven/repo/com/martiansoftware/jsap/2.1/jsap-2.1.jar;/C:/Data/Maven/repo/commons-io/commons-io/1.4/commons-io-1.4.jar;/C:/Data/Maven/repo/org/slf4j/log4j-over-slf4j/1.7.21/log4j-over-slf4j-1.7.21.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-classic/1.1.7/logback-classic-1.1.7.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-core/1.1.7/logback-core-1.1.7.jar;/C:/Data/Maven/repo/org/crumbleworks/forge/crumbutil/crumbutil/0.1.0/crumbutil-0.1.0.jar;/C:/Data/Maven/repo/org/slf4j/slf4j-api/1.7.21/slf4j-api-1.7.21.jar, -d, C:\Data\CrumbleWorks_java\JHTML5\spooned-classes, -1.8, -proc:none, -preserveAllLocals, -noExit, -enableJavadoc, .]
12:29:50.790 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiled in 323 ms
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - Spoon version 5.4.0
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - running Spoon...
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - start processing...
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building sources: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building templates: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.793 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - model built in 1
[WARNING]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.mojo.exec.ExecJavaMojo.run(ExecJavaMojo.java:294)
at java.lang.Thread.run(Thread.java:745)
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:79)
at spoon.support.compiler.jdt.JDTBasedSpoonCompiler.instantiateAndProcess(JDTBasedSpoonCompiler.java:169)
at spoon.Launcher.process(Launcher.java:719)
at spoon.Launcher.run(Launcher.java:665)
at spoon.Launcher.run(Launcher.java:106)
at spoon.Launcher.main(Launcher.java:99)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:77)
... 11 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.202 s
[INFO] Finished at: 2016-10-31T12:29:50+01:00
[INFO] Final Memory: 14M/284M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:java (execute-spoon) on project JHTML5: An exception occured while executing the Java class. null: InvocationTargetException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option? -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
完整的maven错误输出
唉，这一行让我很困惑...
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
...因为 是的，我确实使用了 --precompile 选项。谢谢提问
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-plugin.version}</version>
<executions>
<execution>
<id>execute-spoon</id>
<phase>process-sources</phase>
<goals>
<goal>java</goal>
</goals>
<configuration>
<classpathScope>compile</classpathScope>
<mainClass>spoon.Launcher</mainClass>
<arguments>
<argument>--with-imports</argument>
<argument>--processors</argument>
<argument>org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor</argument>
<argument>--enable-comments</argument>
<argument>--precompile</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
使用 exec-maven-plugin 向 运行 spoon 声明 Maven 插件（执行任何 java 可执行文件）
所以：--precompile 标志应该做什么？
我分别做错了什么？
编辑:
这是一个带有 maven-pom 的简化示例和描述如何 运行 并在不使用 maven 的情况下显示的自述文件：https://github.com/CrumbleWorks/Spoon-Precompile-Issue
--precompile 选项编译作为输入给出的源代码，以便对于所有 CtTypeReference 对象，可以使用 getActualClass() 获得实际的 class。此外，它还为任何启用 getActualClass()
CtType。
（这允许在同一分析或转换中将 Spoon 的反射与 Java 的反射混合）
我正在使用 Spoon 在带注释的 类 上生成代码，这样我就可以减少我正在从事的项目的样板文件和代码重复。
由于项目很小，所以我一直在寻找方法，这样我就不必将整个项目分成两个甚至三个必须按顺序编译的不同项目，所以我的 AnnotationProcessor 在
可用查看 the Spoon documentation 我找到了 --precompile 标志，据我所知，它应该预编译整个源代码并将其添加到类路径中，因此 Spoon 将在 运行 时间找到处理器和其他东西。
但是根据我在 运行 时遇到的错误，它似乎不起作用，即使我添加了选项，我仍然缺少处理器。
[INFO] --- exec-maven-plugin:1.5.0:java (execute-spoon) @ JHTML5 ---
12:29:50.454 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.456 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.457 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - output: spooned
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - destination: C:\Data\CrumbleWorks_java\JHTML5\spooned-classes
12:29:50.466 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - source classpath: null
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - template classpath: []
12:29:50.467 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiling sources: []
12:29:50.539 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compile args: [-encoding, UTF-8, -cp, .;/C:/Data/CrumbleWorks_java/JHTML5/target/classes;/C:/Data/Maven/repo/fr/inria/gforge/spoon/spoon-core/5.4.0/spoon-core-5.4.0.jar;/C:/Data/Maven/repo/org/eclipse/jdt/org.eclipse.jdt.core/3.12.0.v20160516-2131/org.eclipse.jdt.core-3.12.0.v20160516-2131.jar;/C:/Data/Maven/repo/com/martiansoftware/jsap/2.1/jsap-2.1.jar;/C:/Data/Maven/repo/commons-io/commons-io/1.4/commons-io-1.4.jar;/C:/Data/Maven/repo/org/slf4j/log4j-over-slf4j/1.7.21/log4j-over-slf4j-1.7.21.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-classic/1.1.7/logback-classic-1.1.7.jar;/C:/Data/Maven/repo/ch/qos/logback/logback-core/1.1.7/logback-core-1.1.7.jar;/C:/Data/Maven/repo/org/crumbleworks/forge/crumbutil/crumbutil/0.1.0/crumbutil-0.1.0.jar;/C:/Data/Maven/repo/org/slf4j/slf4j-api/1.7.21/slf4j-api-1.7.21.jar, -d, C:\Data\CrumbleWorks_java\JHTML5\spooned-classes, -1.8, -proc:none, -preserveAllLocals, -noExit, -enableJavadoc, .]
12:29:50.790 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - compiled in 323 ms
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - Spoon version 5.4.0
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - running Spoon...
12:29:50.792 [spoon.Launcher.main()] INFO spoon.support.StandardEnvironment - start processing...
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building sources: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - building templates: []
12:29:50.792 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - built in 0 ms
12:29:50.793 [spoon.Launcher.main()] DEBUG spoon.support.StandardEnvironment - model built in 1
[WARNING]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.mojo.exec.ExecJavaMojo.run(ExecJavaMojo.java:294)
at java.lang.Thread.run(Thread.java:745)
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:79)
at spoon.support.compiler.jdt.JDTBasedSpoonCompiler.instantiateAndProcess(JDTBasedSpoonCompiler.java:169)
at spoon.Launcher.process(Launcher.java:719)
at spoon.Launcher.run(Launcher.java:665)
at spoon.Launcher.run(Launcher.java:106)
at spoon.Launcher.main(Launcher.java:99)
... 6 more
Caused by: java.lang.ClassNotFoundException: org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at spoon.support.QueueProcessingManager.addProcessor(QueueProcessingManager.java:77)
... 11 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.202 s
[INFO] Finished at: 2016-10-31T12:29:50+01:00
[INFO] Final Memory: 14M/284M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:java (execute-spoon) on project JHTML5: An exception occured while executing the Java class. null: InvocationTargetException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option? -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
完整的maven错误输出
唉，这一行让我很困惑...
Caused by: spoon.SpoonException: Unable to load processor "org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor" - Check your classpath. Did you use the --precompile option?
...因为 是的，我确实使用了 --precompile 选项。谢谢提问
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-plugin.version}</version>
<executions>
<execution>
<id>execute-spoon</id>
<phase>process-sources</phase>
<goals>
<goal>java</goal>
</goals>
<configuration>
<classpathScope>compile</classpathScope>
<mainClass>spoon.Launcher</mainClass>
<arguments>
<argument>--with-imports</argument>
<argument>--processors</argument>
<argument>org.crumbleworks.forge.jhtml5.spoon.AttributeProcessor</argument>
<argument>--enable-comments</argument>
<argument>--precompile</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
使用 exec-maven-plugin 向 运行 spoon 声明 Maven 插件（执行任何 java 可执行文件）
所以：--precompile 标志应该做什么？
我分别做错了什么？
编辑:
这是一个带有 maven-pom 的简化示例和描述如何 运行 并在不使用 maven 的情况下显示的自述文件：https://github.com/CrumbleWorks/Spoon-Precompile-Issue
--precompile 选项编译作为输入给出的源代码，以便对于所有 CtTypeReference 对象，可以使用 getActualClass() 获得实际的 class。此外，它还为任何启用 getActualClass()
CtType。
（这允许在同一分析或转换中将 Spoon 的反射与 Java 的反射混合）