org.apache.tools.ant.taskdefs.optional.javacc

## Class JJTree

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.Task
    - - org.apache.tools.ant.taskdefs.optional.javacc.JJTree

- All Implemented Interfaces:
    java.lang.Cloneable

      public class JJTree
      extends Task

  Runs the JJTree compiler compiler.

- - ### Field Summary

    - ### Fields inherited from class org.apache.tools.ant.Task

      `target, taskName, taskType, wrapper`

    - ### Fields inherited from class org.apache.tools.ant.ProjectComponent

      `description, location, project`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `JJTree()` Constructor

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `execute()` Run the task.
    `void` | `setBuildnodefiles(boolean buildNodeFiles)` Sets the BUILD_NODE_FILES grammar option.
    `void` | `setJavacchome(java.io.File javaccHome)` The directory containing the JavaCC distribution.
    `void` | `setMaxmemory(java.lang.String max)` Corresponds -Xmx.
    `void` | `setMulti(boolean multi)` Sets the MULTI grammar option.
    `void` | `setNodedefaultvoid(boolean nodeDefaultVoid)` Sets the NODE_DEFAULT_VOID grammar option.
    `void` | `setNodefactory(boolean nodeFactory)` Sets the NODE_FACTORY grammar option.
    `void` | `setNodepackage(java.lang.String nodePackage)` Sets the NODE_PACKAGE grammar option.
    `void` | `setNodeprefix(java.lang.String nodePrefix)` Sets the NODE_PREFIX grammar option.
    `void` | `setNodescopehook(boolean nodeScopeHook)` Sets the NODE_SCOPE_HOOK grammar option.
    `void` | `setNodeusesparser(boolean nodeUsesParser)` Sets the NODE_USES_PARSER grammar option.
    `void` | `setOutputdirectory(java.io.File outputDirectory)` The directory to write the generated JavaCC grammar and node files to.
    `void` | `setOutputfile(java.lang.String outputFile)` The outputfile to write the generated JavaCC grammar file to.
    `void` | `setStatic(boolean staticParser)` Sets the STATIC grammar option.
    `void` | `setTarget(java.io.File targetFile)` The jjtree grammar file to process.
    `void` | `setVisitor(boolean visitor)` Sets the VISITOR grammar option.
    `void` | `setVisitorException(java.lang.String visitorException)` Sets the VISITOR_EXCEPTION grammar option.

    - ### Methods inherited from class org.apache.tools.ant.Task

      `bindToOwner, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, init, isInvalid, log, log, log, log, maybeConfigure, perform, reconfigure, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType`

    - ### Methods inherited from class org.apache.tools.ant.ProjectComponent

      `clone, getDescription, getLocation, getProject, setDescription, setLocation, setProject`

    - ### Methods inherited from class java.lang.Object

      `equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### JJTree

          public JJTree()

      Constructor

  - ### Method Detail

    - #### setBuildnodefiles

          public void setBuildnodefiles(boolean buildNodeFiles)

      Sets the BUILD_NODE_FILES grammar option.
      Parameters:
        `buildNodeFiles` - a `boolean` value.

    - #### setMulti

          public void setMulti(boolean multi)

      Sets the MULTI grammar option.
      Parameters:
        `multi` - a `boolean` value.

    - #### setNodedefaultvoid

          public void setNodedefaultvoid(boolean nodeDefaultVoid)

      Sets the NODE_DEFAULT_VOID grammar option.
      Parameters:
        `nodeDefaultVoid` - a `boolean` value.

    - #### setNodefactory

          public void setNodefactory(boolean nodeFactory)

      Sets the NODE_FACTORY grammar option.
      Parameters:
        `nodeFactory` - a `boolean` value.

    - #### setNodescopehook

          public void setNodescopehook(boolean nodeScopeHook)

      Sets the NODE_SCOPE_HOOK grammar option.
      Parameters:
        `nodeScopeHook` - a `boolean` value.

    - #### setNodeusesparser

          public void setNodeusesparser(boolean nodeUsesParser)

      Sets the NODE_USES_PARSER grammar option.
      Parameters:
        `nodeUsesParser` - a `boolean` value.

    - #### setStatic

          public void setStatic(boolean staticParser)

      Sets the STATIC grammar option.
      Parameters:
        `staticParser` - a `boolean` value.

    - #### setVisitor

          public void setVisitor(boolean visitor)

      Sets the VISITOR grammar option.
      Parameters:
        `visitor` - a `boolean` value.

    - #### setNodepackage

          public void setNodepackage(java.lang.String nodePackage)

      Sets the NODE_PACKAGE grammar option.
      Parameters:
        `nodePackage` - the option to use.

    - #### setVisitorException

          public void setVisitorException(java.lang.String visitorException)

      Sets the VISITOR_EXCEPTION grammar option.
      Parameters:
        `visitorException` - the option to use.

    - #### setNodeprefix

          public void setNodeprefix(java.lang.String nodePrefix)

      Sets the NODE_PREFIX grammar option.
      Parameters:
        `nodePrefix` - the option to use.

    - #### setOutputdirectory

          public void setOutputdirectory(java.io.File outputDirectory)

      The directory to write the generated JavaCC grammar and node files to. If not set, the files are written to the directory containing the grammar file.
      Parameters:
        `outputDirectory` - the output directory.

    - #### setOutputfile

          public void setOutputfile(java.lang.String outputFile)

      The outputfile to write the generated JavaCC grammar file to. If not set, the file is written with the same name as the JJTree grammar file with a suffix .jj.
      Parameters:
        `outputFile` - the output file name.

    - #### setTarget

          public void setTarget(java.io.File targetFile)

      The jjtree grammar file to process.
      Parameters:
        `targetFile` - the grammar file.

    - #### setJavacchome

          public void setJavacchome(java.io.File javaccHome)

      The directory containing the JavaCC distribution.
      Parameters:
        `javaccHome` - the directory containing JavaCC.

    - #### setMaxmemory

          public void setMaxmemory(java.lang.String max)

      Corresponds -Xmx.
      Parameters:
        `max` - max memory parameter.
      Since:
        Ant 1.8.3

    - #### execute

          public void execute()
                       throws BuildException

      Run the task.
      Overrides:
        `execute` in class `Task`
      Throws:
        `BuildException` - on error.