Support multi-versioning for Prism::Translation::Parser

lib/prism/translation/parser.rb

@@ -43,7 +43,7 @@ def parse(source_buffer)
         source = source_buffer.source
 
         offset_cache = build_offset_cache(source)
-        result = unwrap(Prism.parse(source, filepath: source_buffer.name), offset_cache)
+        result = unwrap(Prism.parse(source, filepath: source_buffer.name, version: convert_for_prism(version)), offset_cache)
 
         build_ast(result.value, offset_cache)
       ensure
@@ -56,7 +56,7 @@ def parse_with_comments(source_buffer)
         source = source_buffer.source
 
         offset_cache = build_offset_cache(source)
-        result = unwrap(Prism.parse(source, filepath: source_buffer.name), offset_cache)
+        result = unwrap(Prism.parse(source, filepath: source_buffer.name, version: convert_for_prism(version)), offset_cache)
 
         [
           build_ast(result.value, offset_cache),
@@ -75,7 +75,7 @@ def tokenize(source_buffer, recover = false)
         offset_cache = build_offset_cache(source)
         result =
           begin
-            unwrap(Prism.parse_lex(source, filepath: source_buffer.name), offset_cache)
+            unwrap(Prism.parse_lex(source, filepath: source_buffer.name, version: convert_for_prism(version)), offset_cache)
           rescue ::Parser::SyntaxError
             raise if !recover
           end
@@ -168,6 +168,18 @@ def build_range(location, offset_cache)
         )
       end
 
+      # Converts the version format handled by Parser to the format handled by Prism.
+      def convert_for_prism(version)
+        case version
+        when 33
+          "3.3.0"
+        when 34
+          "3.4.0"
+        else
+          "latest"
+        end
+      end
+
       require_relative "parser/compiler"
       require_relative "parser/lexer"
 

lib/prism/translation/parser/rubocop.rb

@@ -9,18 +9,24 @@
 module Prism
   module Translation
     class Parser
-      # This is the special version number that should be used in rubocop
+      # This is the special version numbers that should be used in RuboCop
       # configuration files to trigger using prism.
+      # For Ruby 3.3
       VERSION_3_3 = 80_82_73_83_77.33
+      # For Ruby 3.4
+      VERSION_3_4 = 80_82_73_83_77.34
 
       # This module gets prepended into RuboCop::AST::ProcessedSource.
       module ProcessedSource
         # Redefine parser_class so that we can inject the prism parser into the
         # list of known parsers.
         def parser_class(ruby_version)
           if ruby_version == Prism::Translation::Parser::VERSION_3_3
-            require "prism/translation/parser"
-            Prism::Translation::Parser
+            require "prism/translation/parser33"
+            Prism::Translation::Parser33
+          if ruby_version == Prism::Translation::Parser::VERSION_3_4
+            require "prism/translation/parser34"
+            Prism::Translation::Parser34
           else
             super
           end

lib/prism/translation/parser33.rb

@@ -0,0 +1,12 @@
+require_relative "parser"
+
+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
+  end
+end

lib/prism/translation/parser34.rb

@@ -0,0 +1,12 @@
+require_relative "parser"
+
+module Prism
+  module Translation
+    # This class is the entry-point for Ruby 3.4 of `Prism::Translation::Parser`.
+    class Parser34 < Parser
+      def version # :nodoc:
+        34
+      end
+    end
+  end
+end

prism.gemspec

@@ -87,6 +87,8 @@ Gem::Specification.new do |spec|
     "lib/prism/serialize.rb",
     "lib/prism/translation.rb",
     "lib/prism/translation/parser.rb",
+    "lib/prism/translation/parser33.rb",
+    "lib/prism/translation/parser34.rb",
     "lib/prism/translation/parser/compiler.rb",
     "lib/prism/translation/parser/lexer.rb",
     "lib/prism/translation/parser/rubocop.rb",