FileParseException if "//" style comment occurs in windows platform

[xieliang]

see https://issues.apache.org/jira/browse/DL-28

[ERROR] Exception parsing: E:\incubator-distributedlog\distributedlog-protocol\src\main\thrift\service.thrift: [3.1] failure: string matching regex \z' expected but /' found
[ERROR]
[ERROR] // Response stats codes
[ERROR]
[ERROR] ^
[ERROR] -> [Help 1]
com.twitter.scrooge.frontend.FileParseException: Exception parsing: E:\isoftstone\workspacedeis\incubator-distributedlog\distributedlog-protocol\src\main\thrift\service.thrift
at com.twitter.scrooge.frontend.ThriftParser$$anonfun$parse$1.apply(ThriftParser.scala:427)
at com.twitter.scrooge.frontend.ThriftParser$$anonfun$parse$1.apply(ThriftParser.scala:427)
at scala.Option.map(Option.scala:145)
at com.twitter.scrooge.frontend.ThriftParser.parse(ThriftParser.scala:420)
at com.twitter.scrooge.frontend.ThriftParser.parseFile(ThriftParser.scala:448)
at com.twitter.scrooge.Compiler$$anonfun$run$2.apply(Compiler.scala:66)
at com.twitter.scrooge.Compiler$$anonfun$run$2.apply(Compiler.scala:64)
at scala.collection.immutable.List.foreach(List.scala:318)
at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)
at scala.collection.mutable.ListBuffer.foreach(ListBuffer.scala:45)
at com.twitter.scrooge.Compiler.run(Compiler.scala:64)
at com.twitter.ScroogeRunner.compile(ScroogeRunner.scala:45)
at com.twitter.AbstractMavenScroogeMojo.execute(AbstractMavenScroogeMojo.java:239)
at com.twitter.MavenScroogeCompileMojo.execute(MavenScroogeCompileMojo.java:22)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
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:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: com.twitter.scrooge.frontend.ParseException: [3.1] failure: string matching regex \z' expected but /' found
// Response stats codes
^
at com.twitter.scrooge.frontend.ThriftParser.parse(ThriftParser.scala:423)

[kevinoliver]

@xieliang our team lacks a windows environment so it'll be hard for us to reproduce, let alone fix.

[mosesn]

@xieliang do you mind taking a stab at fixing this?