scaladoc不像編譯器那樣編譯

Question

當我編譯我的程序時，它編譯得很好，但是，當我運行scaladoc時它不起作用。這裏是最小的代碼，其中sbt compile編譯好，sbt doc不起作用：

/** 
* Doc here. 
*/ 
object SigmaDDFactoryImpl { 
lazy val ipfFactory = new SigmaDDIPFFactoryImpl { 
    val inductiveIPFFactory = new SigmaDDInductiveIPFFactoryImpl { 
    val sigmaDDFactory: SigmaDDFactoryImpl.this.type = SigmaDDFactoryImpl.this 
    } 
} 
class SigmaDD 
} 

/** 
* Doc here. 
*/ 
abstract class SigmaDDIPFFactoryImpl { 
type InductiveIPFType = inductiveIPFFactory.InductiveTypeImpl 

val inductiveIPFFactory:SigmaDDInductiveIPFFactoryImpl 
} 

class SigmaDDInductiveIPFFactoryImpl { 
class InductiveTypeImpl 
object MyObj extends InductiveTypeImpl 
} 

/** 
* Doc here. 
*/ 

class OtherClass { 
type InductiveIPF = SigmaDDFactoryImpl.ipfFactory.InductiveIPFType 

def method(inductiveElt:InductiveIPF) = inductiveElt match { 
    case a:SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl => None 
    case SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.MyObj => None 
} 
} 

這裏是sbt doc輸出：

[info] Set current project to scaladocbugtest (in build file:/Users/mundacho/temp/scaladocBugTest/) 
[info] Main Scala API documentation to /Users/mundacho/temp/scaladocBugTest/target/scala-2.10/api... 
[error] /Users/mundacho/temp/scaladocBugTest/src/main/scala/TestClass.scala:35: pattern type is incompatible with expected type; 
[error] found : SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl 
[error] required: SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl 
[error]  case a:SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl => None 
[error]               ^
[error] /Users/mundacho/temp/scaladocBugTest/src/main/scala/TestClass.scala:36: pattern type is incompatible with expected type; 
[error] found : SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.MyObj.type 
[error] required: OtherClass.this.InductiveIPF 
[error]  (which expands to) SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl 
[error] Note: if you intended to match against the class, try `case _: <none>` 
[error]  case SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.MyObj => None 
[error]               ^
[info] No documentation generated with unsucessful compiler run 
[error] two errors found 
[error] (compile:doc) Scaladoc generation failed 
[error] Total time: 1 s, completed 11 oct. 2013 14:04:25 

我使用SBT 0.13和Scala 2.10.2。如何使這個代碼工作？

Answer 1

我找到的解決方案是：

/** 
* Doc here. 
*/ 
object SigmaDDFactoryImpl { 
lazy val ipfFactory = new SigmaDDIPFFactoryImpl { 
    val inductiveIPFFactory = new SigmaDDInductiveIPFFactoryImpl // I removed the braces here 
} 
class SigmaDD 
} 

/** 
* Doc here. 
*/ 
abstract class SigmaDDIPFFactoryImpl { 
type InductiveIPFType = inductiveIPFFactory.InductiveTypeImpl 

val inductiveIPFFactory:SigmaDDInductiveIPFFactoryImpl 
} 

class SigmaDDInductiveIPFFactoryImpl { 
class InductiveTypeImpl 
object MyObj extends InductiveTypeImpl 
} 

/** 
* Doc here. 
*/ 

class OtherClass { 
type InductiveIPF = SigmaDDFactoryImpl.ipfFactory.InductiveIPFType 

def method(inductiveElt:InductiveIPF) = inductiveElt match { 
    case a:SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.InductiveTypeImpl => None 
    case SigmaDDFactoryImpl.ipfFactory.inductiveIPFFactory.MyObj => None 
} 
} 

但是，我仍然不知道爲什麼scaladoc需要編譯代碼。