Use one file for versioned parser classes

lib/prism/translation.rb

@@ -7,11 +7,11 @@ module Prism
   module Translation # steep:ignore
     autoload :Parser, "prism/translation/parser"
     autoload :ParserCurrent, "prism/translation/parser_current"
-    autoload :Parser33, "prism/translation/parser33"
-    autoload :Parser34, "prism/translation/parser34"
-    autoload :Parser35, "prism/translation/parser35"
-    autoload :Parser40, "prism/translation/parser40"
-    autoload :Parser41, "prism/translation/parser41"
+    autoload :Parser33, "prism/translation/parser_versions"
+    autoload :Parser34, "prism/translation/parser_versions"
+    autoload :Parser35, "prism/translation/parser_versions"
+    autoload :Parser40, "prism/translation/parser_versions"
+    autoload :Parser41, "prism/translation/parser_versions"
     autoload :Ripper, "prism/translation/ripper"
     autoload :RubyParser, "prism/translation/ruby_parser"
   end

lib/prism/translation/parser_versions.rb

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+# :markup: markdown
+
+module Prism
+  module Translation
+    # This class is the entry-point for Ruby 3.3 of `Prism::Translation::Parser`.
+    class Parser33 < Parser
+      def version # :nodoc:
+        33
+      end
+    end
+
+    # This class is the entry-point for Ruby 3.4 of `Prism::Translation::Parser`.
+    class Parser34 < Parser
+      def version # :nodoc:
+        34
+      end
+    end
+
+    # This class is the entry-point for Ruby 4.0 of `Prism::Translation::Parser`.
+    class Parser40 < Parser
+      def version # :nodoc:
+        40
+      end
+    end
+
+    Parser35 = Parser40 # :nodoc:
+
+    # This class is the entry-point for Ruby 4.1 of `Prism::Translation::Parser`.
+    class Parser41 < Parser
+      def version # :nodoc:
+        41
+      end
+    end
+  end
+end

prism.gemspec

@@ -99,11 +99,7 @@ Gem::Specification.new do |spec|
     "lib/prism/translation.rb",
     "lib/prism/translation/parser.rb",
     "lib/prism/translation/parser_current.rb",
-    "lib/prism/translation/parser33.rb",
-    "lib/prism/translation/parser34.rb",
-    "lib/prism/translation/parser35.rb",
-    "lib/prism/translation/parser40.rb",
-    "lib/prism/translation/parser41.rb",
+    "lib/prism/translation/parser_versions.rb",
     "lib/prism/translation/parser/builder.rb",
     "lib/prism/translation/parser/compiler.rb",
     "lib/prism/translation/parser/lexer.rb",
@@ -123,11 +119,7 @@ Gem::Specification.new do |spec|
     "rbi/prism/reflection.rbi",
     "rbi/prism/string_query.rbi",
     "rbi/prism/translation/parser.rbi",
-    "rbi/prism/translation/parser33.rbi",
-    "rbi/prism/translation/parser34.rbi",
-    "rbi/prism/translation/parser35.rbi",
-    "rbi/prism/translation/parser40.rbi",
-    "rbi/prism/translation/parser41.rbi",
+    "rbi/prism/translation/parser_versions.rbi",
     "rbi/prism/translation/ripper.rbi",
     "rbi/prism/visitor.rbi",
     "sig/prism.rbs",

rbi/prism/translation/parser_versions.rbi

@@ -0,0 +1,23 @@
+# typed: strict
+
+class Prism::Translation::Parser33 < Prism::Translation::Parser
+  sig { override.returns(Integer) }
+  def version; end
+end
+
+class Prism::Translation::Parser34 < Prism::Translation::Parser
+  sig { override.returns(Integer) }
+  def version; end
+end
+
+class Prism::Translation::Parser40 < Prism::Translation::Parser
+  sig { override.returns(Integer) }
+  def version; end
+end
+
+Prism::Translation::Parser35 = Prism::Translation::Parser40
+
+class Prism::Translation::Parser40 < Prism::Translation::Parser
+  sig { override.returns(Integer) }
+  def version; end
+end

test/prism/ruby/parser_test.rb

@@ -5,8 +5,6 @@
 begin
   verbose, $VERBOSE = $VERBOSE, nil
   require "parser/ruby33"
-  require "prism/translation/parser33"
-  require "prism/translation/parser34"
 rescue LoadError
   # In CRuby's CI, we're not going to test against the parser gem because we
   # don't want to have to install it. So in this case we'll just skip this test.