xtext-gradle-plugin's Introduction

xtext-gradle-plugin

A plugin for using Xtext languages from a Gradle build

Features

Use Xtext based code generators in your Gradle build
automatically integrates with the Java plugin
all your languages are built in one go, so they can have cross-references
configures the Eclipse plugin to generate .settings files for each language

Usage

Get the latest version of the plugin from the Gradle Plugin Portal

Add your languages to the xtextTooling configuration

dependencies {
  xtextTooling 'org.example:org.example.hero.core:3.3.3'
  xtextTooling 'org.example:org.example.villain.core:6.6.6'
}

Add code that your models compile against to the xtext configuration. If you use the Java plugin, this configuration will automatically contain everything from compile and testCompile. So in many cases this can be omitted.

dependencies {
  xtext 'com.google.guava:guava:15.0'
}

Configure your languages

xtext {
  version = '2.8.0' // the current default, can be omitted
  encoding = 'UTF-8' //the default, can be omitted
  
  /* Java sourceDirs are added automatically,
   * so you only need this element if you have
   * additional source directories to add
   */
  sources {
    srcDir 'src/main/heroes'
    srcDir 'src/main/villains'
  }
  
  languages{
    heroes {
      setup = 'org.example.hero.core.HeroStandaloneSetup'
      consumesJava = true
      outputs {
        DEFAULT_OUTPUT.dir = 'build/heroes'
        SIDEKICKS {
          dir = 'build/sidekicks'
          //automatically adds the above folder as a Java source folder for the main sourceSet
          producesJavaFor sourceSets.main
        }
      }
    }
    
    villains {
      setup = 'org.example.villain.core.VillainStandaloneSetup'
      //equivalent to DEFAULT_OUTPUT.dir
      output.dir = 'build/villains'
    }
  }
}

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