Class: Ensime

Inherits:
Object
  • Object
show all
Defined in:
lib/ensime.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(conf_path) ⇒ Ensime

Returns a new instance of Ensime.



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# File 'lib/ensime.rb', line 16

def initialize conf_path
    @quiet = false
    @conf_path = conf_path
    @version = "0.9.10-SNAPSHOT"
    @conf = Hash[File.read(conf_path).gsub("\n", "").gsub(
        "(", " ").gsub(")", " ").gsub('"', "").split(" :").collect do |x|
        m = x.match("\([^ ]*\) *\(.*\)$")
        [m[1], m[2]]
        end] if File.exists? conf_path
end

Instance Attribute Details

#quiet ⇒ Object

Returns the value of attribute quiet.



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# File 'lib/ensime.rb', line 5

def quiet
  @quiet
end

Instance Method Details

#get_classpath ⇒ Object 



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# File 'lib/ensime.rb', line 26

def get_classpath
    log = nil 
    classpath = nil
    dir = "/tmp/classpath_project_ensime"
    classpath_file = "#{dir}/classpath"
    if not File.exists? classpath_file
    FileUtils.mkdir_p dir
    build_sbt = <<EOF
import sbt._
import IO._
import java.io._
scalaVersion := "#{@conf['scala-version']}"
ivyScala := ivyScala.value map { _.copy(overrideScalaVersion = true) }
// allows local builds of scala
resolvers += Resolver.mavenLocal
resolvers += Resolver.sonatypeRepo("snapshots")
resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"
resolvers += "Akka Repo" at "http://repo.akka.io/repository"
libraryDependencies ++= Seq(
  "org.ensime" %% "ensime" % "#{@version}",
  "org.scala-lang" % "scala-compiler" % scalaVersion.value force(),
  "org.scala-lang" % "scala-reflect" % scalaVersion.value force(),
  "org.scala-lang" % "scalap" % scalaVersion.value force()
)
val saveClasspathTask = TaskKey[Unit]("saveClasspath", "Save the classpath to a file")
saveClasspathTask := {
  val managed = (managedClasspath in Runtime).value.map(_.data.getAbsolutePath)
  val unmanaged = (unmanagedClasspath in Runtime).value.map(_.data.getAbsolutePath)
  val out = file("#{classpath_file}")
  write(out, (unmanaged ++ managed).mkString(File.pathSeparator))
}
EOF
        FileUtils.mkdir_p "#{dir}/project"
        File.write("#{dir}/build.sbt", build_sbt)
        File.write("#{dir}/project/build.properties", "sbt.version=0.13.8")
        Dir.chdir dir do 
            log = `sbt saveClasspath`
        end
    end
    classpath = File.read classpath_file
    classpath + ":#{@conf['java-home']}/lib/tools.jar"
end

#is_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ensime.rb', line 6

def is_running?
    port_path = @conf_path + "_cache/http"
    return false if not File.exists? port_path
    begin
        TCPSocket.open("127.0.0.1", File.read(port_path).chomp).close
    rescue => e
        return false
    end
    true
end

#run ⇒ Object 



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# File 'lib/ensime.rb', line 68

def run
    if @conf.nil?
        puts "no #{@conf_path} file found" if not quiet
        return
    end
    if is_running?
        puts "ensime is already running"
    else
        FileUtils.mkdir_p @conf['cache-dir']
        out = quiet ? ".ensime_cache/server.log" : STDOUT
        @pid = Process.spawn(
            "#{@conf['java-home']}/bin/java #{@conf['java-flags']} \
    -cp #{get_classpath} -Densime.config=#{@conf_path} org.ensime.server.Server",
        :out => out)
    end
    self
end

#stop ⇒ Object 



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# File 'lib/ensime.rb', line 88

def stop
    Process.kill 'TERM', @pid if @pid
end

#wait ⇒ Object 



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# File 'lib/ensime.rb', line 85

def wait
    Process.wait @pid if @pid
end