Merge JSON 2.7.2 for Ruby 3.3 (#11541)

Merge JSON 2.7.2

ext/json/generator/generator.c

@@ -867,7 +867,7 @@ json_object_i(VALUE key, VALUE val, VALUE _arg)
     if (klass == rb_cString) {
         key_to_s = key;
     } else if (klass == rb_cSymbol) {
-        key_to_s = rb_id2str(SYM2ID(key));
+        key_to_s = rb_sym2str(key);
     } else {
         key_to_s = rb_funcall(key, i_to_s, 0);
     }
@@ -892,7 +892,6 @@ static void generate_json_object(FBuffer *buffer, VALUE Vstate, JSON_Generator_S
     struct hash_foreach_arg arg;
 
     if (max_nesting != 0 && depth > max_nesting) {
-        fbuffer_free(buffer);
         rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
     }
     fbuffer_append_char(buffer, '{');
@@ -927,7 +926,6 @@ static void generate_json_array(FBuffer *buffer, VALUE Vstate, JSON_Generator_St
     long depth = ++state->depth;
     int i, j;
     if (max_nesting != 0 && depth > max_nesting) {
-        fbuffer_free(buffer);
         rb_raise(eNestingError, "nesting of %ld is too deep", --state->depth);
     }
     fbuffer_append_char(buffer, '[');
@@ -1020,10 +1018,8 @@ static void generate_json_float(FBuffer *buffer, VALUE Vstate, JSON_Generator_St
     VALUE tmp = rb_funcall(obj, i_to_s, 0);
     if (!allow_nan) {
         if (isinf(value)) {
-            fbuffer_free(buffer);
             rb_raise(eGeneratorError, "%"PRIsVALUE" not allowed in JSON", RB_OBJ_STRING(tmp));
         } else if (isnan(value)) {
-            fbuffer_free(buffer);
             rb_raise(eGeneratorError, "%"PRIsVALUE" not allowed in JSON", RB_OBJ_STRING(tmp));
         }
     }
@@ -1096,11 +1092,45 @@ static FBuffer *cState_prepare_buffer(VALUE self)
     return buffer;
 }
 
+struct generate_json_data {
+    FBuffer *buffer;
+    VALUE vstate;
+    JSON_Generator_State *state;
+    VALUE obj;
+};
+
+static VALUE generate_json_try(VALUE d)
+{
+    struct generate_json_data *data = (struct generate_json_data *)d;
+
+    generate_json(data->buffer, data->vstate, data->state, data->obj);
+
+    return Qnil;
+}
+
+static VALUE generate_json_rescue(VALUE d, VALUE exc)
+{
+    struct generate_json_data *data = (struct generate_json_data *)d;
+    fbuffer_free(data->buffer);
+
+    rb_exc_raise(exc);
+
+    return Qundef;
+}
+
 static VALUE cState_partial_generate(VALUE self, VALUE obj)
 {
     FBuffer *buffer = cState_prepare_buffer(self);
     GET_STATE(self);
-    generate_json(buffer, self, state, obj);
+
+    struct generate_json_data data = {
+        .buffer = buffer,
+        .vstate = self,
+        .state = state,
+        .obj = obj
+    };
+    rb_rescue(generate_json_try, (VALUE)&data, generate_json_rescue, (VALUE)&data);
+
     return fbuffer_to_s(buffer);
 }
 

ext/json/lib/json/add/ostruct.rb

@@ -2,7 +2,10 @@
 unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
   require 'json'
 end
-require 'ostruct'
+begin
+  require 'ostruct'
+rescue LoadError
+end
 
 class OpenStruct
 
@@ -48,4 +51,4 @@ class OpenStruct
   def to_json(*args)
     as_json.to_json(*args)
   end
-end
+end if defined?(::OpenStruct)

ext/json/lib/json/common.rb

@@ -1,8 +1,9 @@
 #frozen_string_literal: false
 require 'json/version'
-require 'json/generic_object'
 
 module JSON
+  autoload :GenericObject, 'json/generic_object'
+
   NOT_SET = Object.new.freeze
   private_constant :NOT_SET
 

ext/json/lib/json/generic_object.rb

@@ -1,5 +1,9 @@
 #frozen_string_literal: false
-require 'ostruct'
+begin
+  require 'ostruct'
+rescue LoadError
+  warn "JSON::GenericObject requires 'ostruct'. Please install it with `gem install ostruct`."
+end
 
 module JSON
   class GenericObject < OpenStruct
@@ -67,5 +71,5 @@ module JSON
     def to_json(*a)
       as_json.to_json(*a)
     end
-  end
+  end if defined?(::OpenStruct)
 end

ext/json/lib/json/version.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: false
 module JSON
   # JSON version
-  VERSION         = '2.7.1'
+  VERSION         = '2.7.2'
   VERSION_ARRAY   = VERSION.split(/\./).map { |x| x.to_i } # :nodoc:
   VERSION_MAJOR   = VERSION_ARRAY[0] # :nodoc:
   VERSION_MINOR   = VERSION_ARRAY[1] # :nodoc:

test/json/json_addition_test.rb

@@ -190,7 +190,7 @@ class JSONAdditionTest < Test::Unit::TestCase
     # XXX this won't work; o.foo = { :bar => true }
     o.foo = { 'bar' => true }
     assert_equal o, parse(JSON(o), :create_additions => true)
-  end
+  end if defined?(::OpenStruct)
 
   def test_set
     s = Set.new([:a, :b, :c, :a])

test/json/json_generic_object_test.rb

@@ -79,4 +79,4 @@ class JSONGenericObjectTest < Test::Unit::TestCase
   ensure
     JSON::GenericObject.json_creatable = false
   end
-end
+end if defined?(JSON::GenericObject)

test/json/json_parser_test.rb

@@ -3,7 +3,10 @@
 require_relative 'test_helper'
 require 'stringio'
 require 'tempfile'
-require 'ostruct'
+begin
+  require 'ostruct'
+rescue LoadError
+end
 begin
   require 'bigdecimal'
 rescue LoadError
@@ -412,6 +415,14 @@ EOT
     end
   end
 
+  def test_parse_object_custom_hash_derived_class
+    res = parse('{"foo":"bar"}', :object_class => SubHash)
+    assert_equal({"foo" => "bar"}, res)
+    assert_equal(SubHash, res.class)
+    assert res.item_set?
+  end
+
+  if defined?(::OpenStruct)
     class SubOpenStruct < OpenStruct
       def [](k)
         __send__(k)
@@ -427,13 +438,6 @@ EOT
       end
     end
 
-  def test_parse_object_custom_hash_derived_class
-    res = parse('{"foo":"bar"}', :object_class => SubHash)
-    assert_equal({"foo" => "bar"}, res)
-    assert_equal(SubHash, res.class)
-    assert res.item_set?
-  end
-
     def test_parse_object_custom_non_hash_derived_class
       res = parse('{"foo":"bar"}', :object_class => SubOpenStruct)
       assert_equal "bar", res.foo
@@ -453,6 +457,7 @@ EOT
       assert_equal "bar", res.to_hash[:foo]
       assert_equal(JSON::GenericObject, res.baz.class)
     end
+  end
 
   def test_generate_core_subclasses_with_new_to_json
     obj = SubHash2["foo" => SubHash2["bar" => true]]