/
TypeInfoMacro.scala
67 lines (59 loc) · 1.8 KB
/
TypeInfoMacro.scala
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/*
* Copyright 2001-2017 Artima, Inc.
*
* 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 org.scalactic.source
import org.scalactic.{MacroOwnerRepair, Resources}
import scala.reflect.macros.Context
/**
* Helper class for Position macro. (Will be removed from the public API if possible in a subsequent 3.0.0-RCx release.)
*/
object TypeInfoMacro {
/**
* Helper method for TypeInfo macro.
*/
def genTypeInfo[T: context.WeakTypeTag](context: Context) = {
import context.universe._
val TypeApply(_, List(typeTree)) = context.macroApplication
val expandedCode =
context.Expr(
Apply(
TypeApply(
Select(
Select(
Select(
Select(
Select(
Ident(newTermName("_root_")),
newTermName("org")
),
newTermName("scalactic")
),
newTermName("source")
),
newTermName("TypeInfo")
),
newTermName("apply")
),
List(typeTree.duplicate)
),
List(
Literal(Constant(typeTree.toString()))
)
)
)
val ownerRepair = new MacroOwnerRepair[context.type](context)
ownerRepair.repairOwners(expandedCode)
}
}