Fix #9499: Add ExtensionMethod to refelction

Author: nicolasstucki

compiler/src/dotty/tools/dotc/tastyreflect/ReflectionCompilerInterface.scala

@@ -1864,6 +1864,7 @@ class ReflectionCompilerInterface(val rootContext: core.Contexts.Context) extend
   def Flags_EmptyFlags: Flags = core.Flags.EmptyFlags
   def Flags_Enum: Flags = core.Flags.Enum
   def Flags_Erased: Flags = core.Flags.Erased
+  def Flags_ExtensionMethod: Flags = core.Flags.ExtensionMethod
   def Flags_FieldAccessor: Flags = core.Flags.Accessor
   def Flags_Final: Flags = core.Flags.Final
   def Flags_Given: Flags = core.Flags.Given

library/src/scala/internal/tasty/CompilerInterface.scala

@@ -1413,6 +1413,7 @@ trait CompilerInterface {
   def Flags_EmptyFlags: Flags
   def Flags_Enum: Flags
   def Flags_Erased: Flags
+  def Flags_ExtensionMethod: Flags
   def Flags_FieldAccessor: Flags
   def Flags_Final: Flags
   def Flags_Given: Flags

library/src/scala/tasty/Reflection.scala

@@ -2858,6 +2858,9 @@ class Reflection(private[scala] val internal: CompilerInterface) { self =>
     /** Is this symbol `erased` */
     def Erased: Flags = internal.Flags_Erased
 
+    /** Is this symbol a `def` defined in an `extension` */
+    def ExtensionMethod: Flags = internal.Flags_ExtensionMethod
+
     /** Is this symbol a getter or a setter */
     def FieldAccessor: Flags = internal.Flags_FieldAccessor
 

library/src/scala/tasty/reflect/ExtractorsPrinter.scala

@@ -26,6 +26,7 @@ class ExtractorsPrinter[R <: Reflection & Singleton](val tasty: R) extends Print
     if (flags.is(Flags.Covariant)) flagList += "Flags.Covariant"
     if (flags.is(Flags.Enum)) flagList += "Flags.Enum"
     if (flags.is(Flags.Erased)) flagList += "Flags.Erased"
+    if (flags.is(Flags.ExtensionMethod)) flagList += "Flags.ExtensionMethod"
     if (flags.is(Flags.FieldAccessor)) flagList += "Flags.FieldAccessor"
     if (flags.is(Flags.Final)) flagList += "Flags.Final"
     if (flags.is(Flags.HasDefault)) flagList += "Flags.HasDefault"

library/src/scala/tasty/reflect/SourceCodePrinter.scala

@@ -31,6 +31,7 @@ class SourceCodePrinter[R <: Reflection & Singleton](val tasty: R)(syntaxHighlig
     if (flags.is(Flags.Covariant)) flagList += "covariant"
     if (flags.is(Flags.Enum)) flagList += "enum"
     if (flags.is(Flags.Erased)) flagList += "erased"
+    if (flags.is(Flags.ExtensionMethod)) flagList += "extension"
     if (flags.is(Flags.FieldAccessor)) flagList += "accessor"
     if (flags.is(Flags.Final)) flagList += "final"
     if (flags.is(Flags.HasDefault)) flagList += "hasDefault"