compiler: Parser Compile Should Match Compile Protocol

Signed-off-by: Will Hawkins <hawkinsw@obs.cr>

Sources/P4Compiler/Declarations.swift

@@ -393,7 +393,7 @@ extension P4Lang.Parser: Compilable {
       withName: parser_name!, withParameters: parameter_list, node: current_node!,
       withContext: current_context)
     {
-    case Result.Ok((let parser, let updated_context)):
+    case Result.Ok(let parser):
       let parser_declaration = Declaration(
         TypedIdentifier(id: parser.name, withType: P4QualifiedType(parser)))
       // Create a new context with the name of the parser that was just compiled in scope.

Sources/P4Compiler/SpecialCompilers.swift

@@ -175,7 +175,7 @@ public struct SpecialCompilers {
   static func CompileParserBody(
     withName name: Common.Identifier, withParameters parameters: ParameterList, node: Node,
     withContext context: CompilerContext
-  ) -> Result<(P4Lang.Parser, CompilerContext)> {
+  ) -> Result<P4Lang.Parser> {
 
     var parser = P4Lang.Parser(withName: name, withParameters: parameters)
 
@@ -206,7 +206,7 @@ public struct SpecialCompilers {
       return .Error(error)
     }
 
-    return Result.Ok((parser, current_context))
+    return Result.Ok(parser)
   }
 
   public struct ProgramCompiler {