Merge pull request #522 from mbj/feature/parser-2-3

Add support for parser 2.3

lib/mutant/ast/types.rb

@@ -41,8 +41,9 @@ module Mutant
       # Nodes that are NOT generated by parser but used by mutant / unparser.
       EXTRA = symbolset.(%w[empty])
 
-      # Nodes that are currently missing from parser META
-      MISSING = symbolset.(%w[rational])
+      # Nodes that are currently missing from Parser::Meta::NODE_TYPES
+      # * https://github.com/whitequark/parser/pull/251
+      MISSING = symbolset.(%w[csend])
 
       # All node types mutant handles
       ALL = symbolset.((Parser::Meta::NODE_TYPES + EXTRA + MISSING) - BLACKLIST)

lib/mutant/mutator/node/generic.rb

@@ -8,7 +8,7 @@ module Mutant
         # These nodes still need a dedicated mutator,
         # your contribution is that close!
         handle(
-          :ensure, :redo, :regopt, :retry, :arg_expr,
+          :csend, :ensure, :redo, :regopt, :retry, :arg_expr,
           :kwrestarg, :kwoptarg, :kwarg, :undef, :module, :empty,
           :alias, :for, :xstr, :back_ref, :class,
           :sclass, :match_with_lvasgn, :while_post,

meta/dsym.rb

@@ -2,11 +2,11 @@ Mutant::Meta::Example.add do
   source ':"foo#{bar}baz"'
 
   singleton_mutations
-  # TODO: Unparser imperfection two asts with same source.
-  mutation s(:dsym, s(:nil), s(:begin, s(:send, nil, :bar)), s(:str, 'baz'))
-  mutation s(:dsym, s(:self), s(:begin, s(:send, nil, :bar)), s(:str, 'baz'))
-  mutation s(:dsym, s(:str, 'foo'), s(:begin, s(:self)), s(:str, 'baz'))
-  mutation s(:dsym, s(:str, 'foo'), s(:begin, s(:nil)), s(:str, 'baz'))
-  mutation s(:dsym, s(:str, 'foo'), s(:begin, s(:send, nil, :bar)), s(:nil))
-  mutation s(:dsym, s(:str, 'foo'), s(:begin, s(:send, nil, :bar)), s(:self))
+
+  mutation ':"#{nil}#{bar}#{"baz"}"'
+  mutation ':"#{self}#{bar}#{"baz"}"'
+  mutation ':"#{"foo"}#{nil}#{"baz"}"'
+  mutation ':"#{"foo"}#{self}#{"baz"}"'
+  mutation ':"#{"foo"}#{bar}#{nil}"'
+  mutation ':"#{"foo"}#{bar}#{self}"'
 end

mutant.gemspec

@@ -21,14 +21,14 @@ Gem::Specification.new do |gem|
 
   gem.required_ruby_version = '>= 2.1'
 
-  gem.add_runtime_dependency('parser',        '~> 2.2.2')
-  gem.add_runtime_dependency('ast',           '~> 2.1')
+  gem.add_runtime_dependency('parser',        '~> 2.3.0')
+  gem.add_runtime_dependency('ast',           '~> 2.2')
   gem.add_runtime_dependency('diff-lcs',      '~> 1.2')
   gem.add_runtime_dependency('parallel',      '~> 1.3')
   gem.add_runtime_dependency('morpher',       '~> 0.2.6')
   gem.add_runtime_dependency('procto',        '~> 0.0.2')
   gem.add_runtime_dependency('abstract_type', '~> 0.0.7')
-  gem.add_runtime_dependency('unparser',      '~> 0.2.4')
+  gem.add_runtime_dependency('unparser',      '~> 0.2.5')
   gem.add_runtime_dependency('ice_nine',      '~> 0.11.1')
   gem.add_runtime_dependency('adamantium',    '~> 0.2.0')
   gem.add_runtime_dependency('memoizable',    '~> 0.4.2')