Add Symbol.allMembers to reflection API

Author: pikinier20

compiler/src/scala/quoted/runtime/impl/QuotesImpl.scala

@@ -2547,6 +2547,13 @@ class QuotesImpl private (using val ctx: Context) extends Quotes, QuoteUnpickler
         def declarations: List[Symbol] =
           self.typeRef.info.decls.toList
 
+        def allMembers: List[Symbol] =
+          lookupPrefix.allMembers.iterator.map(_.symbol).collect {
+            case sym if sym.isType => sym.asType
+            case sym if isMethod(sym) => sym.asTerm
+            case sym if isField(sym) => sym.asTerm
+          }.toList
+
         def paramSymss: List[List[Symbol]] = self.denot.paramSymss
         def primaryConstructor: Symbol = self.denot.primaryConstructor
         def allOverriddenSymbols: Iterator[Symbol] = self.denot.allOverriddenSymbols

library/src/scala/quoted/Quotes.scala

@@ -3652,6 +3652,9 @@ trait Quotes { self: runtime.QuoteUnpickler & runtime.QuoteMatching =>
         /** All members directly declared in the class */
         def declarations: List[Symbol]
 
+        /** All members declared or inherited */
+        def allMembers: List[Symbol]
+
         /** The symbols of each type parameter list and value parameter list of this
           *  method, or Nil if this isn't a method.
           */