From ae251bb33af8404686b3fb34dd7feeeaa5ef6fdf Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@schirp-dso.com>
Date: Mon, 3 May 2021 13:46:42 +0000
Subject: [PATCH] Fix regexp latin property mapping

---
 Changelog.md                                | 8 ++++++++
 lib/mutant/ast/regexp/transformer/direct.rb | 1 +
 lib/mutant/ast/types.rb                     | 1 +
 meta/regexp/regexp_latin_property.rb        | 8 ++++++++
 spec/unit/mutant/ast/regexp_spec.rb         | 5 +++++
 5 files changed, 23 insertions(+)
 create mode 100644 meta/regexp/regexp_latin_property.rb

diff --git a/Changelog.md b/Changelog.md
index 9b51db2dd..0440b4759 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,11 @@
+# v0.10.31 2021-05-03
+
+* [#](https://github.com/mbj/mutant/pull/)
+  Add mapping for latin regexp properties to fix crash on mutating
+  `p{Latin}` regexp nodes.
+
+  [Fix #1231]
+
 # v0.10.30 2021-04-25
 
 * [#1229](https://github.com/mbj/mutant/pull/1229)
diff --git a/lib/mutant/ast/regexp/transformer/direct.rb b/lib/mutant/ast/regexp/transformer/direct.rb
index 4c956d015..6b0187d44 100644
--- a/lib/mutant/ast/regexp/transformer/direct.rb
+++ b/lib/mutant/ast/regexp/transformer/direct.rb
@@ -74,6 +74,7 @@ class ASTToExpression < Transformer::ASTToExpression
               [:regexp_katakana_property,        [:property,      :katakana,         '\p{Katakana}'], ::Regexp::Expression::UnicodeProperty::Script],
               [:regexp_letter_property,          [:property,      :letter,           '\p{L}'],        ::Regexp::Expression::UnicodeProperty::Letter::Any],
               [:regexp_linebreak_type,           [:type,          :linebreak,        '\R'],           ::Regexp::Expression::CharacterType::Linebreak],
+              [:regexp_latin_property,           [:property,      :latin,            '\p{Latin}'],    ::Regexp::Expression::UnicodeProperty::Script],
               [:regexp_lower_posixclass,         [:posixclass,    :lower,            '[:lower:]'],    ::Regexp::Expression::PosixClass],
               [:regexp_mark_keep,                [:keep,          :mark,             '\K'],           ::Regexp::Expression::Keep::Mark],
               [:regexp_match_start_anchor,       [:anchor,        :match_start,      '\\G'],          ::Regexp::Expression::Anchor::MatchStart],
diff --git a/lib/mutant/ast/types.rb b/lib/mutant/ast/types.rb
index 45f4a19e6..460656c8c 100644
--- a/lib/mutant/ast/types.rb
+++ b/lib/mutant/ast/types.rb
@@ -107,6 +107,7 @@ module Types # rubocop:disable Metrics/ModuleLength
         regexp_interval_close_escape
         regexp_interval_open_escape
         regexp_katakana_property
+        regexp_latin_property
         regexp_letter_property
         regexp_linebreak_type
         regexp_literal_escape
diff --git a/meta/regexp/regexp_latin_property.rb b/meta/regexp/regexp_latin_property.rb
new file mode 100644
index 000000000..e32ac1b12
--- /dev/null
+++ b/meta/regexp/regexp_latin_property.rb
@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+Mutant::Meta::Example.add :regexp, :regexp_latin_property do
+  source('/p{Latin}/')
+
+  singleton_mutations
+  regexp_mutations
+end
diff --git a/spec/unit/mutant/ast/regexp_spec.rb b/spec/unit/mutant/ast/regexp_spec.rb
index dc63b8160..e2ab5c9a8 100644
--- a/spec/unit/mutant/ast/regexp_spec.rb
+++ b/spec/unit/mutant/ast/regexp_spec.rb
@@ -657,6 +657,11 @@ def self.expect_mapping(regexp, type, &block)
     s(:regexp_hiragana_property))
 end
 
+RegexpSpec.expect_mapping(/\p{Latin}/, :regexp_latin_property) do
+  s(:regexp_root_expression,
+    s(:regexp_latin_property))
+end
+
 RegexpSpec.expect_mapping(/\p{Katakana}/, :regexp_katakana_property) do
   s(:regexp_root_expression,
     s(:regexp_katakana_property))