rubocop.rb in prism-0.25.0

- old
+ new

@@ -1,12 +1,15 @@
 # frozen_string_literal: true
+# typed: ignore
 
+warn "WARN: Prism is directly supported since RuboCop 1.62. The `prism/translation/parser/rubocop` file is deprecated."
+
 require "parser"
 require "rubocop"
 
-require "prism"
-require "prism/translation/parser"
+require_relative "../../prism"
+require_relative "../parser"
 
 module Prism
   module Translation
     class Parser
       # This is the special version numbers that should be used in RuboCop
@@ -18,20 +21,45 @@
       # 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/parser33"
-            Prism::Translation::Parser33
-          elsif ruby_version == Prism::Translation::Parser::VERSION_3_4
-            require "prism/translation/parser34"
-            Prism::Translation::Parser34
-          else
-            super
+        # This condition is compatible with rubocop-ast versions up to 1.30.0.
+        if RuboCop::AST::ProcessedSource.instance_method(:parser_class).arity == 1
+          # 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
+              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.33` is deprecated. " \
+                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.3` instead."
+              require_relative "../parser33"
+              Prism::Translation::Parser33
+            elsif ruby_version == Prism::Translation::Parser::VERSION_3_4
+              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.34` is deprecated. " \
+                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.4` instead."
+              require_relative "../parser34"
+              Prism::Translation::Parser34
+            else
+              super
+            end
+          end
+        else
+          # Redefine parser_class so that we can inject the prism parser into the
+          # list of known parsers.
+          def parser_class(ruby_version, _parser_engine)
+            if ruby_version == Prism::Translation::Parser::VERSION_3_3
+              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.33` is deprecated. " \
+                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.3` instead."
+              require_relative "../parser33"
+              Prism::Translation::Parser33
+            elsif ruby_version == Prism::Translation::Parser::VERSION_3_4
+              warn "WARN: Setting `TargetRubyVersion: 80_82_73_83_77.34` is deprecated. " \
+                   "Set to `ParserEngine: parser_prism` and `TargetRubyVersion: 3.4` instead."
+              require_relative "../parser34"
+              Prism::Translation::Parser34
+            else
+              super
+            end
           end
         end
       end
     end
   end