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
|
import java.io.File
import scala.collection.JavaConverters._
import scala.tools.asm.tree.{ClassNode, InvokeDynamicInsnNode}
import scala.tools.asm.{Handle, Opcodes}
import scala.tools.partest.BytecodeTest.modifyClassFile
import scala.tools.partest._
object Test extends DirectTest {
def code = ???
def compileCode(code: String) = {
val classpath = List(sys.props("partest.lib"), testOutput.path) mkString sys.props("path.separator")
compileString(newCompiler("-cp", classpath, "-d", testOutput.path, "-opt:l:classpath", "-Yopt-inline-heuristics:everything", "-opt-warnings:_"))(code)
}
def show(): Unit = {
val unknownBootstrapMethod = new Handle(
Opcodes.H_INVOKESTATIC,
"not/java/lang/SomeLambdaMetafactory",
"notAMetaFactoryMethod",
"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;",
/* itf = */ false)
modifyClassFile(new File(testOutput.toFile, "A_1.class"))((cn: ClassNode) => {
val testMethod = cn.methods.iterator.asScala.find(_.name == "test").head
val indy = testMethod.instructions.iterator.asScala.collect({ case i: InvokeDynamicInsnNode => i }).next()
indy.bsm = unknownBootstrapMethod
cn
})
compileCode("class T { def foo = A_1.test }")
}
}
|
