feat: Create new JITC engine (#205)

Fixes #202

build.sc

@@ -13,7 +13,7 @@ import mill.contrib.scoverage.{ScoverageModule, ScoverageReport}
 object scoverage extends BaseModule with ScoverageReport
 
 trait BaseModule extends ScoverageModule with ScalafmtModule {
-  def scalaVersion = "3.3.0-RC6"
+  def scalaVersion = "3.3.0"
   def scoverageVersion = "2.0.7"
 
   val munitVersion = "1.0.0-M7"

core/src/fr/hammons/slinc/Ptr.scala

@@ -3,6 +3,7 @@ package fr.hammons.slinc
 import scala.reflect.ClassTag
 import fr.hammons.slinc.modules.DescriptorModule
 import fr.hammons.slinc.modules.ReadWriteModule
+import fr.hammons.slinc.fnutils.{Fn, toNativeCompatible}
 
 class Ptr[A](private[slinc] val mem: Mem, private[slinc] val offset: Bytes):
   inline def `unary_!`(using rwm: ReadWriteModule): A =
@@ -86,6 +87,6 @@ object Ptr:
   )
 
   inline def upcall[A](inline a: A)(using alloc: Allocator): Ptr[A] =
-    val nFn = Fn.toNativeCompatible(a)
+    val nFn = toNativeCompatible(a)
     val descriptor = FunctionDescriptor.fromFunction[A]
     Ptr[A](alloc.upcall(descriptor, nFn), Bytes(0))

core/src/fr/hammons/slinc/Slinc.scala

@@ -7,8 +7,6 @@ import types.SizeT
 
 trait Slinc:
   val version: Int
-  protected def jitManager: JitManager
-
   protected def scopePlatformSpecific: ScopeI.PlatformSpecific
 
   given dm: DescriptorModule

core/src/fr/hammons/slinc/fnutils/Fn.scala

@@ -0,0 +1,32 @@
+package fr.hammons.slinc.fnutils
+
+sealed trait Fn[A, B <: Tuple, C]
+
+object Fn:
+  given [Z]: Fn[() => Z, EmptyTuple, Z] with {}
+  given [A, Z]: Fn[A => Z, Tuple1[A], Z] with {}
+  given [A, B, Z]: Fn[(A, B) => Z, (A, B), Z] with {}
+  given [A, B, C, Z]: Fn[(A, B, C) => Z, (A, B, C), Z] with {}
+  given [A, B, C, D, Z]: Fn[(A, B, C, D) => Z, (A, B, C, D), Z] with {}
+  given [A, B, C, D, E, Z]: Fn[(A, B, C, D, E) => Z, (A, B, C, D, E), Z] with {}
+  given [A, B, C, D, E, F, Z]
+      : Fn[(A, B, C, D, E, F) => Z, (A, B, C, D, E, F), Z] with {}
+  given [A, B, C, D, E, F, G, Z]
+      : Fn[(A, B, C, D, E, F, G) => Z, (A, B, C, D, E, F, G), Z] with {}
+  given [A, B, C, D, E, F, G, H, Z]
+      : Fn[(A, B, C, D, E, F, G, H) => Z, (A, B, C, D, E, F, G, H), Z] with {}
+  given [A, B, C, D, E, F, G, H, I, Z]
+      : Fn[(A, B, C, D, E, F, G, H, I) => Z, (A, B, C, D, E, F, G, H, I), Z]
+  with {}
+
+  given [A, B, C, D, E, F, G, H, I, J, Z]: Fn[
+    (A, B, C, D, E, F, G, H, I, J) => Z,
+    (A, B, C, D, E, F, G, H, I, J),
+    Z
+  ] with {}
+
+  given [A, B, C, D, E, F, G, H, I, J, K, Z]: Fn[
+    (A, B, C, D, E, F, G, H, I, J, K) => Z,
+    (A, B, C, D, E, F, G, H, I, J, K),
+    Z
+  ] with {}