blob: 0826f12edd5d8e53e77eceebc419ccbcf77d1905 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
package cbt
import cbt.eval.Eval
trait DynamicOverrides extends BaseBuild{
private val twitterEval = cached("eval"){
new Eval{
override lazy val impliedClassPath: List[String] = context.parentBuild.get.classpath.strings.toList//new ScalaCompilerDependency( context.cbtHasChanged, context.paths.mavenCache, scalaVersion ).classpath.strings.toList
override def classLoader = DynamicOverrides.this.getClass.getClassLoader
}
}
protected [cbt] def overrides: String = ""
// TODO: add support for Build inner classes
def newBuild[T <: DynamicOverrides:scala.reflect.ClassTag]: DynamicOverrides with T = newBuild[T](context)("")
def newBuild[T <: DynamicOverrides:scala.reflect.ClassTag](body: String): DynamicOverrides with T = newBuild[T](context)(body)
def newBuild[T <: DynamicOverrides:scala.reflect.ClassTag](context: Context)(body: String): DynamicOverrides with T = {
val mixinClass = scala.reflect.classTag[T].runtimeClass
assert(mixinClass.getTypeParameters.size == 0)
val mixin = if(
mixinClass == classOf[Nothing]
|| mixinClass.getSimpleName == "Build"
) "" else " with "+mixinClass.getName
import scala.collection.JavaConverters._
val parent = Option(
if(this.getClass.getName.startsWith("Evaluator__"))
this.getClass.getName.dropWhile(_ != '$').drop(1).stripSuffix("$1")
else
this.getClass.getName
).getOrElse(
throw new Exception( "You cannot have more than one newBuild call on the Stack right now." )
)
val overrides = "" // currently disables, but can be used to force overrides everywhere
val name = if(mixin == "" && overrides == "" && body == ""){
"Build"
} else if(overrides == ""){
val name = "DynamicBuild" + System.currentTimeMillis
val code = s"""
class $name(context: _root_.cbt.Context)
extends $parent(context)$mixin{
$body
}
"""
logger.dynamic("Dynamically generated code:\n" ++ code)
twitterEval.compile(code)
name
} else {
val name = "DynamicBuild" + System.currentTimeMillis
val code = s"""
class $name(context: _root_.cbt.Context)
extends $parent(context)$mixin{
$body
}
class ${name}Overrides(context: _root_.cbt.Context)
extends $name(context){
$overrides
}
"""
logger.dynamic("Dynamically generated code:\n" ++ code)
twitterEval.compile(code)
name+"Overrides"
}
val createBuild = twitterEval.apply[Context => T](s"new $name(_: _root_.cbt.Context)",false)
createBuild( context ).asInstanceOf[DynamicOverrides with T]
}
}
|
