zio.macros.AccessibleMacro.scala Maven / Gradle / Ivy
/*
* Copyright 2019-2024 John A. De Goes and the ZIO Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package zio.macros
import scala.annotation.nowarn
import scala.reflect.macros.whitebox
/**
* Generates method accessors for a service into annotated object.
*/
private[macros] class AccessibleMacro(override val c: whitebox.Context) extends AccessibleMacroBase(c) {
import c.universe._
protected val macroName: String = "accessible"
@nowarn("msg=pattern var [^\\s]+ in method unapply is never used")
override def macroApply(annottees: Seq[c.Tree]): MacroApply = new MacroApply(annottees) {
protected def treeTpe(tree: Tree): Type =
(tree: @unchecked) match {
case tq"$typeName[..$typeParams]" =>
val typeArgs = typeParams.map(t => c.typecheck(tq"$t", c.TYPEmode, silent = true).tpe)
c.typecheck(tq"$typeName[..$typeArgs]", c.TYPEmode).tpe
}
override protected def typeArgsForService(serviceTypeParams: List[TypeDef]): List[TypeName] =
serviceTypeParams.map(_.name)
override protected def typeParamsForAccessors(serviceTypeParams: List[TypeDef]): List[TypeDef] =
serviceTypeParams
}
}