add -Xsource:3 option. avoid deprecated with

build.sbt

@@ -17,6 +17,16 @@ ThisBuild / developers := List(
 ThisBuild / description := "Contraband is a description language for your datatypes and APIs, currently targeting Java and Scala."
 Global / semanticdbEnabled := true
 Global / semanticdbVersion := "4.10.1"
+ThisBuild / scalacOptions ++= {
+ scalaBinaryVersion.value match {
+ case "2.12" =>
+ Seq("-Xsource:3")
+ case "2.13" =>
+ Seq("-Xsource:3-cross")
+ case _ =>
+ Nil
+ }
+}
 
 lazy val root = (project in file("."))
  .enablePlugins(TravisSitePlugin)

library/src/main/scala/sbt/contraband/parser/SchemaParser.scala

@@ -5,7 +5,7 @@ import org.parboiled2._
 import CharPredicate.{ HexDigit, Digit19, AlphaNum }
 import scala.util.{ Failure, Success, Try }
 
-trait Tokens extends StringBuilding with PositionTracking { this: Parser with Ignored =>
+trait Tokens extends StringBuilding with PositionTracking { this: Parser & Ignored =>
 
  def Token = rule { Punctuator | Name | NumberValue | StringValue }
 
@@ -153,14 +153,7 @@ trait Ignored extends PositionTracking { this: Parser =>
 }
 
 trait Document {
- this: Parser
- with Values
- with Operations
- with Types
- with Tokens /* with Operations*/
- with Ignored /*with Fragments with Operations with Values*/
- with Directives
- with TypeSystemDefinitions =>
+ this: Parser & Values & Operations & Types & Tokens & Ignored & Directives & TypeSystemDefinitions =>
 
  def `package` = rule { Keyword("package") }
 
@@ -183,7 +176,7 @@ trait Document {
 }
 
 trait TypeSystemDefinitions {
- this: Parser with Tokens with Ignored with Directives with Types with Operations with Values /*with Fragments*/ =>
+ this: Parser & Tokens & Ignored & Directives & Types & Operations & Values =>
 
  def scalar = rule { Keyword("scalar") }
  def `type` = rule { Keyword("type") }
@@ -304,7 +297,7 @@ trait TypeSystemDefinitions {
 }
 
 trait Operations extends PositionTracking {
- this: Parser with Tokens with Ignored /*with Fragments*/ with Values with Types with Directives =>
+ this: Parser & Tokens & Ignored & Values & Types & Directives =>
 
  // def OperationDefinition = rule {
  // Comments ~ trackPos ~ SelectionSet ~> ((comment, pos, s) => ast.OperationDefinition(selections = s._1, comments = comment, trailingComments = s._2, position = Some(pos))) |
@@ -360,7 +353,7 @@ trait Operations extends PositionTracking {
  }
 }
 
-trait Values { this: Parser with Tokens with Ignored with Operations with Types with Directives =>
+trait Values { this: Parser & Tokens & Ignored & Operations & Types & Directives =>
 
  def ValueConst: Rule1[ast.Value] = rule {
  NumberValue | RawValue | StringValue | BooleanValue | NullValue | EnumValue | ListValueConst | ObjectValueConst
@@ -439,7 +432,7 @@ trait Values { this: Parser with Tokens with Ignored with Operations with Types
 }
 
 trait Directives {
- this: Parser with Tokens with Operations with Ignored with Values with Operations with Types =>
+ this: Parser & Tokens & Operations & Ignored & Values & Operations & Types =>
 
  def Directives = rule { Directive.+ ~> (_.toList) }
 
@@ -450,7 +443,7 @@ trait Directives {
 
 }
 
-trait Types { this: Parser with Tokens with Ignored =>
+trait Types { this: Parser & Tokens & Ignored =>
  def `lazy` = rule { Keyword("lazy") }
 
  def Type: Rule1[ast.Type] = rule { LazyType | NonNullType | ListType | NamedType }