Merge pull request #7267 from dotty-staging/move-quoted-lifters-inot-expr

Replace quoted `toExpr` with `Expr.apply`

Author: anatoliykmetyuk

community-build/community-projects/minitest

@@ -206,7 +206,7 @@ implementation method `fromDigitsImpl`. Here is its definition:
       case Const(ds) =>
         try {
           val BigFloat(m, e) = apply(ds)
-          '{BigFloat(${m.toExpr}, ${e.toExpr})}
+          '{BigFloat(${Expr(m)}, ${Expr(e)})}
         }
         catch {
           case ex: FromDigits.FromDigitsException =>

community-build/community-projects/scalatest

@@ -228,7 +228,7 @@ import given scala.quoted._
 
 def compile(e: Exp, env: Map[String, Expr[Int]]): Expr[Int] = e match {
   case Num(n) =>
-    n.toExpr
+    Expr(n)
   case Plus(e1, e2) =>
     '{ ${ compile(e1, env) } + ${ compile(e2, env) } }
   case Var(x) =>
@@ -241,7 +241,7 @@ Running `compile(letExp, Map())` would yield the following Scala code:
 ```scala
 '{ val y = 3; (2 + y) + 4 }
 ```
-The body of the first clause, `case Num(n) => n.toExpr`, looks suspicious. `n`
+The body of the first clause, `case Num(n) => Expr(n)`, looks suspicious. `n`
 is declared as an `Int`, yet it is converted to an `Expr[Int]` with `toExpr`.
 Shouldn’t `n` be quoted? In fact this would not
 work since replacing `n` by `'n` in the clause would not be phase
@@ -308,7 +308,7 @@ Using lifting, we can now give the missing definition of `showExpr` in the intro
 ```scala
 def showExpr[T](expr: Expr[T]): Expr[String] = {
   val code: String = expr.show
-  code.toExpr
+  Expr(code)
 }
 ```
 That is, the `showExpr` method converts its `Expr` argument to a string (`code`), and lifts

community-build/community-projects/shapeless

@@ -68,7 +68,7 @@ The method `qctx.tasty.Term.seal[T]` provides a way to go back to a
 `quoted.Expr[Any]`. Note that the type is `Expr[Any]`. Consequently, the type
 must be set explicitly with a checked `cast` call. If the type does not conform
 to it an exception will be thrown. In the code above, we could have replaced
-`n.toExpr` by `xTree.seal.cast[Int]`.
+`Expr(n)` by `xTree.seal.cast[Int]`.
 
 ### Obtaining the underlying argument
 

community-build/community-projects/sourcecode

@@ -751,6 +751,6 @@ object StringContextMacro {
     }
 
     // macro expansion
-    '{(${parts.mkString.toExpr}).format(${argsExpr}: _*)}
+    '{(${Expr(parts.mkString)}).format(${argsExpr}: _*)}
   }
 }