Impl function_self_pointer_hint

Author: sue445

_tools/ruby_h_to_go/lib/ruby_header_parser/data.rb

@@ -22,6 +22,15 @@ def function_arg_pointer_hint(function_name:, pos:)
       :ref
     end
 
+    # @param function_name [String]
+    # @return [Symbol] :ref, :raw
+    def function_self_pointer_hint(function_name)
+      pointer_hint = data["function"]["pointer_hint"].dig(function_name, "self")
+      return pointer_hint.to_sym if pointer_hint
+
+      :ref
+    end
+
     # rubocop:disable Style/CaseEquality
 
     # Whether generate C function to go

_tools/ruby_h_to_go/lib/ruby_header_parser/data.yml

@@ -68,6 +68,8 @@ function:
     - rb_class_descendants
 
   pointer_hint:
+    RSTRING_PTR:
+      self: raw
     rb_data_object_make:
       4: sref
     rb_data_typed_object_make:

_tools/ruby_h_to_go/spec/ruby_header_parser/data_spec.rb

@@ -21,6 +21,22 @@
     end
   end
 
+  describe "#function_self_pointer_hint" do
+    subject { data.function_self_pointer_hint(function_name) }
+
+    context "found in data.yml" do
+      let(:function_name) { "RSTRING_PTR" }
+
+      it { should eq :raw }
+    end
+
+    context "not found in data.yml" do
+      let(:function_name) { "rb_class2name" }
+
+      it { should eq :ref }
+    end
+  end
+
   describe "#should_generate_function?" do
     subject { data.should_generate_function?(function_name) }