Merge pull request #99 from sue445/rb_define_method_id

Add RbDefineMethodId

Author: sue445

README.md

@@ -206,7 +206,7 @@ ref. https://docs.ruby-lang.org/ja/latest/function/index.html
 * [ ] `rb_define_global_function`
 * [ ] `rb_define_hooked_variable`
 * [x] `rb_define_method`
-* [ ] `rb_define_method_id`
+* [x] `rb_define_method_id`
 * [x] `rb_define_module`
 * [x] `rb_define_module_function`
 * [ ] `rb_define_module_id`

ruby-internal-intern-class.go

@@ -22,3 +22,12 @@ func RbDefineSingletonMethod(obj VALUE, mid string, fun unsafe.Pointer, arity in
 
 	C.rb_define_singleton_method(C.VALUE(obj), char, toFunctionPointer(fun), C.int(arity))
 }
+
+// RbDefineMethodId calls `rb_define_method_id` in C
+//
+// Original definition is following
+//
+//	void rb_define_method_id(VALUE klass, ID mid, VALUE (*func)(ANYARGS), int arity)
+func RbDefineMethodId(klass VALUE, mid ID, fun unsafe.Pointer, arity int) {
+	C.rb_define_method_id(C.VALUE(klass), C.ID(mid), toFunctionPointer(fun), C.int(arity))
+}

testdata/dummy/ext/dummy/tests.go

@@ -3,6 +3,7 @@ package main
 /*
 #include "dummy.h"
 
+void  rb_dummy_tests_nop(VALUE self);
 VALUE rb_dummy_tests_rb_ivar_get(VALUE self);
 void  rb_dummy_tests_rb_ivar_set(VALUE self, VALUE value);
 VALUE rb_dummy_tests_rb_yield(VALUE self, VALUE arg);
@@ -33,6 +34,10 @@ import (
 	ruby "github.com/sue445/go-gem-wrapper"
 )
 
+//export rb_dummy_tests_nop
+func rb_dummy_tests_nop(_ C.VALUE) {
+}
+
 //export rb_dummy_tests_rb_ivar_get
 func rb_dummy_tests_rb_ivar_get(self C.VALUE) C.VALUE {
 	ivarID := ruby.RbIntern("@ivar")
@@ -247,6 +252,8 @@ func defineMethodsToDummyTests(rb_mDummy ruby.VALUE) {
 	ruby.RbDefineMethod(rb_cTests, "rb_ivar_get", C.rb_dummy_tests_rb_ivar_get, 0)
 	ruby.RbDefineMethod(rb_cTests, "rb_ivar_set", C.rb_dummy_tests_rb_ivar_set, 1)
 
+	ruby.RbDefineMethodId(rb_cTests, ruby.RbIntern("nop_rb_define_method_id"), C.rb_dummy_tests_nop, 0)
+
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_yield", C.rb_dummy_tests_rb_yield, 1)
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_block_proc", C.rb_dummy_tests_rb_block_proc, 1)
 	ruby.RbDefineSingletonMethod(rb_cTests, "rb_funcall2", C.rb_dummy_tests_rb_funcall2, 2)

testdata/dummy/sig/dummy/tests.rbs

@@ -12,6 +12,8 @@ module Dummy
     def rb_ivar_get: () -> untyped
     def rb_ivar_set: (untyped ivar) -> void
 
+    def nop_rb_define_method_id: () -> void
+
     def self.rb_yield: (untyped) { (untyped) -> untyped } -> untyped
     def self.rb_block_proc: (untyped) { (untyped) -> untyped } -> untyped
     def self.rb_funcall2: (Integer num, Integer ndigits) -> Integer

testdata/dummy/test/dummy/tests_test.rb

@@ -158,5 +158,9 @@ class RbAttrTest < Test::Unit::TestCase
       assert { array == [2, 1] }
       assert { ret == [2, 1] }
     end
+
+    test "#nop_rb_define_method_id" do
+      assert { Dummy::Tests.new.respond_to?(:nop_rb_define_method_id) }
+    end
   end
 end