Remove support for ruby-3.2

Author: mbj

.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.3, ruby-3.4]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -35,7 +35,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.3, ruby-3.4]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -53,7 +53,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.3, ruby-3.4]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -69,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.3, ruby-3.4]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
@@ -85,7 +85,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ruby-3.2, ruby-3.3, ruby-3.4]
+        ruby: [ruby-3.3, ruby-3.4]
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v4

.rubocop.yml

@@ -5,7 +5,7 @@ AllCops:
     - '**/*.rake'
     - 'Gemfile'
     - 'Gemfile.triage'
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.3
   Exclude:
     - tmp/**/*
     - vendor/**/*

README.md

@@ -10,7 +10,7 @@ The following constraints apply:
 
 * No support for macruby extensions
 * Only support for the [modern AST](https://github.com/whitequark/parser/#usage) format
-* Only support for Ruby >= 3.2
+* Only support for Ruby >= 3.3
 
 Notable Users:
 

lib/unparser/emitter/primitive.rb

@@ -13,23 +13,8 @@ class Symbol < self
 
         private
 
-        # mutant:disable
         def dispatch
-          if inspect_breaks_parsing?
-            write(":#{value.name.inspect}")
-          else
-            write(value.inspect)
-          end
-        end
-
-        # mutant:disable
-        def inspect_breaks_parsing?
-          return false unless RUBY_VERSION < '3.2.'
-
-          Unparser.parse(value.inspect)
-          false
-        rescue Parser::SyntaxError
-          true
+          write(value.inspect)
         end
       end # Symbol
 

spec/unit/unparser_spec.rb

@@ -467,22 +467,6 @@ def foo(bar)
         )
       end
 
-      if RUBY_VERSION < '3.2.'
-        excludes.concat(
-          %w[
-            test/corpus/literal/since/32.rb
-          ]
-        )
-      end
-
-      if RUBY_VERSION < '3.1.'
-        excludes.concat(
-          %w[
-            test/corpus/literal/since/31.rb
-          ]
-        )
-      end
-
       excludes.flat_map { |file| ['--ignore', file] }
     end
 

unparser.gemspec

@@ -23,7 +23,7 @@ Gem::Specification.new do |gem|
   gem.extra_rdoc_files = %w[README.md]
   gem.executables      = %w[unparser]
 
-  gem.required_ruby_version = '>= 3.1'
+  gem.required_ruby_version = '>= 3.3'
 
   gem.add_dependency('diff-lcs', '~> 1.6')
   gem.add_dependency('parser',   '>= 3.3.0')