Fix deep forward args

Changelog.md

@@ -1,7 +1,15 @@
+# v0.11.24 2023-10-10
+
+* Fix restarg and kwrestarg nested mutations.
+
+  [#1403](https://github.com/mbj/mutant/pull/1403)
+
 # v0.11.23 2023-10-08
 
 * Fix restarg and kwrestarg invalid mutations.
 
+  [#1402](https://github.com/mbj/mutant/pull/1402)
+
 # v0.11.22 2023-07-16
 
 * Introduce mutation operators config 'light' and 'full'. Mutant will default to

Gemfile.lock

@@ -1,10 +1,10 @@
 PATH
   remote: .
   specs:
-    mutant (0.11.23)
+    mutant (0.11.24)
       diff-lcs (~> 1.3)
       parser (~> 3.2.2, >= 3.2.2.4)
-      regexp_parser (~> 2.6.1)
+      regexp_parser (~> 2.8.2)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
 
@@ -27,7 +27,7 @@ GEM
       racc
     racc (1.7.1)
     rainbow (3.1.1)
-    regexp_parser (2.6.2)
+    regexp_parser (2.8.2)
     rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)

lib/mutant/ast/structure.rb

@@ -391,6 +391,16 @@ def variable_descendants(node)
           fixed:    EMPTY_ARRAY,
           variable: nil
         ),
+        Node.new(
+          type:     :forwarded_kwrestarg,
+          fixed:    EMPTY_ARRAY,
+          variable: nil
+        ),
+        Node.new(
+          type:     :forwarded_restarg,
+          fixed:    EMPTY_ARRAY,
+          variable: nil
+        ),
         Node.new(
           type:     :for,
           fixed:    Node.fixed(

lib/mutant/mutator/regexp.rb

@@ -103,7 +103,7 @@ def emit_removal
         end
 
         def emit_replacement
-          new_text = MAP[input.quantifier.text]
+          new_text = MAP[input.quantifier.text] or return
 
           emit(mk_dup.tap { |new| new.quantifier.text = new_text })
         end

lib/mutant/version.rb

@@ -2,5 +2,5 @@
 
 module Mutant
   # Current mutant version
-  VERSION = '0.11.23'
+  VERSION = '0.11.24'
 end # Mutant

meta/def.rb

@@ -229,6 +229,37 @@
     mutation 'def foo(**); { nil => nil, ** }; end'
     mutation 'def foo(**); {}; end'
   end
+
+  Mutant::Meta::Example.add :hash do
+    source 'def foo(**); bar { { ** } }; end'
+
+    mutation 'def foo(**); bar { nil }; end'
+    mutation 'def foo(**); bar { raise }; end'
+    mutation 'def foo(**); bar { {} }; end'
+    mutation 'def foo(**); bar { }; end'
+    mutation 'def foo(**); bar; end'
+    mutation 'def foo(**); end'
+    mutation 'def foo(**); nil; end'
+    mutation 'def foo(**); raise; end'
+    mutation 'def foo(**); super; end'
+    mutation 'def foo(**); { ** }; end'
+  end
+
+  Mutant::Meta::Example.add :hash do
+    source 'def foo(*); bar { boz(*) }; end'
+
+    mutation 'def foo(*); bar { boz }; end'
+    mutation 'def foo(*); bar { nil }; end'
+    mutation 'def foo(*); bar { raise }; end'
+    mutation 'def foo(*); bar { }; end'
+    mutation 'def foo(*); bar.boz(*); end'
+    mutation 'def foo(*); bar; end'
+    mutation 'def foo(*); boz(*); end'
+    mutation 'def foo(*); end'
+    mutation 'def foo(*); nil; end'
+    mutation 'def foo(*); raise; end'
+    mutation 'def foo(*); super; end'
+  end
 end
 
 if RUBY_VERSION >= '3.1'

mutant.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |gem|
 
   gem.add_runtime_dependency('diff-lcs',       '~> 1.3')
   gem.add_runtime_dependency('parser',         '~> 3.2.2', '>= 3.2.2.4')
-  gem.add_runtime_dependency('regexp_parser',  '~> 2.6.1')
+  gem.add_runtime_dependency('regexp_parser',  '~> 2.8.2')
   gem.add_runtime_dependency('sorbet-runtime', '~> 0.5.0')
   gem.add_runtime_dependency('unparser',       '~> 0.6.9')
 

scripts/devloop.sh

@@ -1,4 +1,4 @@
-while inotifywait lib/**/*.rb spec/**/*.rb Gemfile Gemfile.shared mutant.gemspec; do
+while inotifywait lib/**/*.rb meta/**/*.rb spec/**/*.rb Gemfile Gemfile.shared mutant.gemspec; do
   bundle exec rspec spec/unit -fd --fail-fast --order default \
     && bundle exec mutant run --since main --fail-fast --zombie -- 'Mutant*' \
     && bundle exec rubocop

spec/integrations.yml

@@ -2,35 +2,13 @@
 - name: rubyspec
   namespace: Rubyspec
   repo_uri: 'https://github.com/ruby/rubyspec.git'
-  repo_ref: 249a36c2e9fcddbb208a0d618d05f6bd9a64fd17
+  repo_ref: 59bdcb4ea95c60159bb2bfc8c73022364da8ec0d
   integration_name: mspec
   mutation_coverage: false
   mutation_generation: true
   exclude:
-    - command_line/fixtures/bad_syntax.rb
-    - command_line/fixtures/freeze_flag_required_diff_enc.rb
-    - core/file/stat_spec.rb
-    - core/kernel/shared/sprintf_encoding.rb
-    - core/module/fixtures/autoload_empty.rb
-    - core/module/fixtures/autoload_never_set.rb
-    - core/module/fixtures/path2/load_path.rb
-    - core/regexp/shared/new.rb
-    - core/string/casecmp_spec.rb
-    - core/string/encode_spec.rb
-    - core/string/inspect_spec.rb
-    - core/string/shared/to_sym.rb
-    - core/symbol/casecmp_spec.rb
-    - language/fixtures/freeze_magic_comment_required_diff_enc.rb
-    - language/fixtures/utf16-be-nobom.rb
-    - language/fixtures/utf16-le-nobom.rb
-    - language/predefined/fixtures/data4.rb
-    - language/predefined/fixtures/data_only.rb
-    - language/source_encoding_spec.rb
-    - library/base64/decode64_spec.rb
-    - library/cgi/escapeHTML_spec.rb
-    # invalid regexp on 3.1 parser
-    - regexp_parser/test/parser/test_escapes.rb
-    - security/cve_2010_1330_spec.rb
+  # regexp_parser crash
+  - language/regexp/back-references_spec.rb
 - name: regexp_parser
   namespace: Regexp
   repo_uri: 'https://github.com/ammar/regexp_parser.git'

spec/support/corpus.rb

@@ -135,7 +135,12 @@ def checkout
       #
       # @return [Integer] mutations generated
       def check_generation(path)
-        node = Unparser.parse(path.read) or return 0
+        begin
+          node = Unparser.parse(path.read) or return 0
+        # no need to generate mutation if the source is invalid
+        rescue Parser::SyntaxError
+          return 0
+        end
 
         mutations = Mutant::Mutator::Node.mutate(
           config: Mutant::Mutation::Config::DEFAULT.with(operators: Mutant::Mutation::Operators::Full.new),

test_app/Gemfile.minitest.lock

@@ -1,15 +1,15 @@
 PATH
   remote: ..
   specs:
-    mutant (0.11.23)
+    mutant (0.11.24)
       diff-lcs (~> 1.3)
       parser (~> 3.2.2, >= 3.2.2.4)
-      regexp_parser (~> 2.6.1)
+      regexp_parser (~> 2.8.2)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-minitest (0.11.23)
+    mutant-minitest (0.11.24)
       minitest (~> 5.11)
-      mutant (= 0.11.23)
+      mutant (= 0.11.24)
 
 GEM
   remote: https://oss:Px2ENN7S91OmWaD5G7MIQJi1dmtmYrEh@gem.mutant.dev/
@@ -26,7 +26,7 @@ GEM
       ast (~> 2.4.1)
       racc
     racc (1.7.1)
-    regexp_parser (2.6.1)
+    regexp_parser (2.8.2)
     sorbet-runtime (0.5.10607)
     unparser (0.6.9)
       diff-lcs (~> 1.3)

test_app/Gemfile.rspec3.8.lock

@@ -1,14 +1,14 @@
 PATH
   remote: ..
   specs:
-    mutant (0.11.23)
+    mutant (0.11.24)
       diff-lcs (~> 1.3)
       parser (~> 3.2.2, >= 3.2.2.4)
-      regexp_parser (~> 2.6.1)
+      regexp_parser (~> 2.8.2)
       sorbet-runtime (~> 0.5.0)
       unparser (~> 0.6.9)
-    mutant-rspec (0.11.23)
-      mutant (= 0.11.23)
+    mutant-rspec (0.11.24)
+      mutant (= 0.11.24)
       rspec-core (>= 3.8.0, < 4.0.0)
 
 GEM
@@ -31,7 +31,7 @@ GEM
       ast (~> 2.4.1)
       racc
     racc (1.7.1)
-    regexp_parser (2.6.1)
+    regexp_parser (2.8.2)
     rspec (3.8.0)
       rspec-core (~> 3.8.0)
       rspec-expectations (~> 3.8.0)