KotlinShouldNotThrowExceptionsDetector-ThrowsCode.kt

private inner class ThrowCallVisitor(private val context: JavaContext) : AbstractUastVisitor() {

  override fun visitCallExpression(node: UCallExpression): Boolean {
      if(node.uastParent is KotlinUThrowExpression) {
          val type = node.returnType ?: throw IllegalStateException("type of KotlinUThrowExpression cannot be null")
          if(!isUncheckedException(type)) {
              reportUsage(context, context.getLocation(element = node))
          }
      }
      return false
  }

  private fun isUncheckedException(type: PsiType): Boolean {
      if(type.canonicalText == RuntimeException::class.java.canonicalName) {
          return true
      }
      for(superType in type.superTypes) {
          if(isUncheckedException(superType)) {
              return true
          }
      }
      return false
  }

}