Add Ruby 4.1 as a version specifier

include/prism/options.h

@@ -97,8 +97,11 @@ typedef enum {
     /** The vendored version of prism in CRuby 4.0.x. */
     PM_OPTIONS_VERSION_CRUBY_4_0 = 3,
 
+    /** The vendored version of prism in CRuby 4.1.x. */
+    PM_OPTIONS_VERSION_CRUBY_4_1 = 4,
+
     /** The current version of prism. */
-    PM_OPTIONS_VERSION_LATEST = PM_OPTIONS_VERSION_CRUBY_4_0
+    PM_OPTIONS_VERSION_LATEST = PM_OPTIONS_VERSION_CRUBY_4_1
 } pm_options_version_t;
 
 /**

java/org/prism/ParsingOptions.java

@@ -16,7 +16,8 @@ public enum SyntaxVersion {
         V3_3(1),
         V3_4(2),
         V3_5(3),
-        V4_0(3);
+        V4_0(3),
+        V4_1(4);
 
         private final int value;
 

javascript/src/parsePrism.js

@@ -148,6 +148,8 @@ function dumpOptions(options) {
     values.push(2);
   } else if (options.version.match(/^3\.5(\.\d+)?$/) || options.version.match(/^4\.0(\.\d+)?$/)) {
     values.push(3);
+  } else if (options.version.match(/^4\.1(\.\d+)?$/)) {
+    values.push(4);
   } else {
     throw new Error(`Unsupported version '${options.version}' in compiler options`);
   }

lib/prism/ffi.rb

@@ -434,6 +434,8 @@ def dump_options_version(version)
         2
       when /\A3\.5(\.\d+)?\z/, /\A4\.0(\.\d+)?\z/
         3
+      when /\A4\.1(\.\d+)?\z/
+        4
       else
         if current
           raise CurrentVersionError, RUBY_VERSION

lib/prism/translation.rb

@@ -11,6 +11,7 @@ module Translation # steep:ignore
     autoload :Parser34, "prism/translation/parser34"
     autoload :Parser35, "prism/translation/parser35"
     autoload :Parser40, "prism/translation/parser40"
+    autoload :Parser41, "prism/translation/parser41"
     autoload :Ripper, "prism/translation/ripper"
     autoload :RubyParser, "prism/translation/ruby_parser"
   end

lib/prism/translation/parser.rb

@@ -84,7 +84,7 @@ def initialize(builder = Prism::Translation::Parser::Builder.new, parser: Prism)
       end
 
       def version # :nodoc:
-        40
+        41
       end
 
       # The default encoding for Ruby files is UTF-8.
@@ -358,6 +358,8 @@ def convert_for_prism(version)
           "3.4.0"
         when 35, 40
           "4.0.0"
+        when 41
+          "4.1.0"
         else
           "latest"
         end

lib/prism/translation/parser41.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+# :markup: markdown
+
+module Prism
+  module Translation
+    # 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

lib/prism/translation/parser_current.rb

@@ -12,6 +12,8 @@ module Translation
       ParserCurrent = Parser34
     when /^3\.5\./, /^4\.0\./
       ParserCurrent = Parser40
+    when /^4\.1\./
+      ParserCurrent = Parser41
     else
       # Keep this in sync with released Ruby.
       parser = Parser34

prism.gemspec

@@ -102,6 +102,7 @@ Gem::Specification.new do |spec|
     "lib/prism/translation/parser34.rb",
     "lib/prism/translation/parser35.rb",
     "lib/prism/translation/parser40.rb",
+    "lib/prism/translation/parser41.rb",
     "lib/prism/translation/parser/builder.rb",
     "lib/prism/translation/parser/compiler.rb",
     "lib/prism/translation/parser/lexer.rb",
@@ -125,6 +126,7 @@ Gem::Specification.new do |spec|
     "rbi/prism/translation/parser34.rbi",
     "rbi/prism/translation/parser35.rbi",
     "rbi/prism/translation/parser40.rbi",
+    "rbi/prism/translation/parser41.rbi",
     "rbi/prism/translation/ripper.rbi",
     "rbi/prism/visitor.rbi",
     "sig/prism.rbs",

rbi/prism/translation/parser41.rbi

@@ -0,0 +1,6 @@
+# typed: strict
+
+class Prism::Translation::Parser40 < Prism::Translation::Parser
+  sig { override.returns(Integer) }
+  def version; end
+end

src/options.c

@@ -93,6 +93,11 @@ pm_options_version_set(pm_options_t *options, const char *version, size_t length
             return true;
         }
 
+        if (strncmp(version, "4.1", 3) == 0) {
+            options->version = PM_OPTIONS_VERSION_CRUBY_4_1;
+            return true;
+        }
+
         return false;
     }
 
@@ -111,6 +116,11 @@ pm_options_version_set(pm_options_t *options, const char *version, size_t length
             options->version = PM_OPTIONS_VERSION_CRUBY_4_0;
             return true;
         }
+
+        if (strncmp(version, "4.1.", 4) == 0) {
+            options->version = PM_OPTIONS_VERSION_CRUBY_4_1;
+            return true;
+        }
     }
 
     if (length >= 6) {

test/prism/api/parse_test.rb

@@ -122,6 +122,9 @@ def test_version
       assert Prism.parse_success?("1 + 1", version: "4.0")
       assert Prism.parse_success?("1 + 1", version: "4.0.0")
 
+      assert Prism.parse_success?("1 + 1", version: "4.1")
+      assert Prism.parse_success?("1 + 1", version: "4.1.0")
+
       assert Prism.parse_success?("1 + 1", version: "latest")
 
       # Test edge case

test/prism/test_helper.rb

@@ -241,7 +241,7 @@ def self.windows?
     end
 
     # All versions that prism can parse
-    SYNTAX_VERSIONS = %w[3.3 3.4 4.0]
+    SYNTAX_VERSIONS = %w[3.3 3.4 4.0 4.1]
 
     # `RUBY_VERSION` with the patch version excluded
     CURRENT_MAJOR_MINOR = RUBY_VERSION.split(".")[0, 2].join(".")