forked from enlightenment/efl
efl-mono: Fix call of virtual methods after new API
Summary: After the new API, the virtual wrapper classes (*NativeInherit) just declared the wrappers for the current class. But as they didn't have any inheritance information, reimplementing methods from a parent Eo class wouldn't work. (e.g. Efl.Ui.Button reimplementing Efl.Object FinalizeAdd). This commit changes these NativeInherit classes to mimic the inheritance chain of their regular/abstract counterparts, reusing the virtual wrapper implementations. In order to access the correct Eo class created, the methods on it were changed from static to instance methods. The instance will be held as a class member of the regular/abstract API class to keep the delegates alive and allow getting C Function pointers from them. The class_initializer method was also split in two. The method collecting the wrapper delegates was extracted in order to call the parent ones. Also avoid exception in cached strings queries as TryGetValue requires non-null keys. Test Plan: Run test suite. Reviewers: vitor.sousa, felipealmeida Reviewed By: vitor.sousa Subscribers: cedric, #reviewers, #committers Tags: #efl Differential Revision: https://phab.enlightenment.org/D7460
This commit is contained in:
parent
dd5c230353
commit
9603cc07eb
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@ -75,7 +75,7 @@ struct native_function_definition_generator
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if(!as_generator
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(scope_tab
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<< " private static "
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<< " private "
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<< eolian_mono::marshall_type(true) << " "
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<< string
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<< "(System.IntPtr obj, System.IntPtr pd"
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@ -98,7 +98,7 @@ struct native_function_definition_generator
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<< eolian_mono::native_function_definition_epilogue(*klass)
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<< scope_tab << scope_tab << "} else {\n"
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<< scope_tab << scope_tab << scope_tab << (return_type != " void" ? "return " : "") << string
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<< "(Efl.Eo.Globals.efl_super(obj, " << klass_inherit_name << ".klass)" << *(", " << argument) << ");\n"
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<< "(Efl.Eo.Globals.efl_super(obj, " << "EoKlass)" << *(", " << argument) << ");\n"
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<< scope_tab << scope_tab << "}\n"
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<< scope_tab << "}\n"
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)
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@ -114,13 +114,10 @@ struct native_function_definition_generator
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, context))
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return false;
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if(!as_generator
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(scope_tab << "private static "
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<< string
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<< "_delegate "
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<< string << "_static_delegate = new " << string << "_delegate(" << name_helpers::klass_native_inherit_name(*klass) << "." << string << ");\n"
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)
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.generate(sink, std::make_tuple(f.c_name, f.c_name, f.c_name, escape_keyword(f.name)), context))
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// This is the delegate that will be passed to Eo to be called from C.
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if(!as_generator(
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scope_tab << "private " << f.c_name << "_delegate " << f.c_name << "_static_delegate;\n"
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).generate(sink, attributes::unused, context))
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return false;
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return true;
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}
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@ -41,7 +41,7 @@ struct native_function_definition_preamble_generator
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).generate(sink, std::make_tuple(f.parameters, f.parameters, f.parameters, f.return_type), context))
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return false;
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return true;
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return as_generator("\n").generate(sink, attributes::unused, context);
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}
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};
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@ -35,14 +35,20 @@ struct function_registration_generator
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else
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{
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auto index = index_generator();
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if(!as_generator(
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scope_tab << scope_tab << f.c_name << "_static_delegate = new " << f.c_name << "_delegate(" <<
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escape_keyword(f.name) << ");\n"
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).generate(sink, attributes::unused, context))
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return false;
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if(!as_generator
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#ifdef _WIN32
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(scope_tab << scope_tab << "descs[" << index << "].api_func = Marshal.StringToHGlobalAnsi(\"" << string << "\");\n"
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#else
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(scope_tab << scope_tab << "descs[" << index << "].api_func = Efl.Eo.Globals.dlsym(Efl.Eo.Globals.RTLD_DEFAULT, \"" << string << "\");\n"
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#endif
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<< scope_tab << scope_tab << "descs[" << index << "].func = Marshal.GetFunctionPointerForDelegate(" << name_helpers::klass_native_inherit_name(*klass) << "." << string << "_static_delegate);\n"
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<< scope_tab << scope_tab << "descs[" << index << "].func = Marshal.GetFunctionPointerForDelegate(" << string << "_static_delegate);\n"
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)
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.generate(sink, std::make_tuple(f.c_name, f.c_name), context))
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return false;
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@ -357,10 +357,19 @@ struct klass
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{
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auto inative_cxt = context_add_tag(class_context{class_context::inherit_native}, context);
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auto native_inherit_name = name_helpers::klass_native_inherit_name(cls);
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auto inherit_name = name_helpers::klass_inherit_name(cls);
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std::string base_name;
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if(!root)
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{
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attributes::klass_def parent_klass(get_klass(*cls.parent, cls.unit), cls.unit);
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base_name = name_helpers::klass_full_native_inherit_name(parent_klass);
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}
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if(!as_generator
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(
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"internal " << class_type << " " << native_inherit_name << " {\n"
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<< scope_tab << "public static byte class_initializer(IntPtr klass)\n"
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"public " << class_type << " " << native_inherit_name << " " << (root ? "" : (": " + base_name)) <<"{\n"
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<< scope_tab << (root ? "protected IntPtr EoKlass { get; set; }\n" : "\n")
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<< scope_tab << "public " << (root ? "" : "new ") << "Efl_Op_Description[] GetEoOps()\n"
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<< scope_tab << "{\n"
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<< scope_tab << scope_tab << "Efl_Op_Description[] descs = new Efl_Op_Description[" << grammar::int_ << "];\n"
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)
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@ -371,20 +380,35 @@ struct klass
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if(!as_generator(*(function_registration(index_generator, cls)))
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.generate(sink, helpers::get_all_implementable_methods(cls), inative_cxt)) return false;
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if(!root)
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if(!as_generator(scope_tab << scope_tab << "descs = descs.Concat(base.GetEoOps()).ToArray();\n").generate(sink, attributes::unused, inative_cxt))
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return false;
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if(!as_generator(
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scope_tab << scope_tab << "return descs;\n"
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<< scope_tab << "}\n"
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).generate(sink, attributes::unused, inative_cxt))
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return false;
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if(!as_generator
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( scope_tab << scope_tab << "IntPtr descs_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(descs[0])*" << function_count << ");\n"
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(scope_tab << "public " << (root ? "" : "new " ) << "byte class_initializer(IntPtr klass)\n"
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<< scope_tab << "{\n"
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<< scope_tab << scope_tab << "var descs = GetEoOps();\n"
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<< scope_tab << scope_tab << "var count = descs.Length;\n"
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<< scope_tab << scope_tab << "IntPtr descs_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(descs[0])*count);\n"
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<< scope_tab << scope_tab << "IntPtr ptr = descs_ptr;\n"
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<< scope_tab << scope_tab << "for(int i = 0; i != " << function_count << "; ++i)\n"
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<< scope_tab << scope_tab << "for(int i = 0; i != count; ++i)\n"
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<< scope_tab << scope_tab << "{\n"
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<< scope_tab << scope_tab << scope_tab << "Marshal.StructureToPtr(descs[i], ptr, false);\n"
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<< scope_tab << scope_tab << scope_tab << "ptr = IntPtr.Add(ptr, Marshal.SizeOf(descs[0]));\n"
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<< scope_tab << scope_tab << "}\n"
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<< scope_tab << scope_tab << "Efl_Object_Ops ops;\n"
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<< scope_tab << scope_tab << "ops.descs = descs_ptr;\n"
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<< scope_tab << scope_tab << "ops.count = (UIntPtr)" << function_count << ";\n"
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<< scope_tab << scope_tab << "ops.count = (UIntPtr)count;\n"
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<< scope_tab << scope_tab << "IntPtr ops_ptr = Marshal.AllocHGlobal(Marshal.SizeOf(ops));\n"
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<< scope_tab << scope_tab << "Marshal.StructureToPtr(ops, ops_ptr, false);\n"
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<< scope_tab << scope_tab << "Efl.Eo.Globals.efl_class_functions_set(klass, ops_ptr, IntPtr.Zero);\n"
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<< scope_tab << scope_tab << "EoKlass = klass;\n"
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).generate(sink, attributes::unused, inative_cxt)) return false;
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@ -413,6 +437,7 @@ struct klass
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bool is_inherit = is_inherit_context(context);
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std::string class_getter = "return Efl.Eo.Globals.efl_class_get(handle);";
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std::string native_inherit_full_name = name_helpers::klass_full_native_inherit_name(cls);
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// The klass field is static but there is no problem if multiple C# classes inherit from this generated one
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// as it is just a simple wrapper, forwarding the Eo calls either to the user API (where C#'s virtual method
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@ -421,6 +446,7 @@ struct klass
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{
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if(!as_generator(
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scope_tab << "public " << (root ? "" : "new ") << "static System.IntPtr klass = System.IntPtr.Zero;\n"
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<< scope_tab << "public " << (root ? "" : "new ") << "static " << native_inherit_full_name << " nativeInherit = new " << native_inherit_full_name << "();\n"
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).generate(sink, attributes::unused, context))
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return false;
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class_getter = "return klass;";
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@ -493,7 +519,7 @@ struct klass
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scope_tab << "///<summary>Creates a new instance.</summary>\n"
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<< scope_tab << "///<param name=\"parent\">Parent instance.</param>\n"
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<< scope_tab << "///<param name=\"init_cb\">Delegate to call constructing methods that should be run inside the constructor.</param>\n"
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<< scope_tab << "public " << inherit_name << "(Efl.Object parent = null, ConstructingMethod init_cb=null) : base(" << native_inherit_name << ".class_initializer, \"" << inherit_name << "\", " << name_helpers::klass_get_name(cls) << "(), typeof(" << inherit_name << "), parent, ref klass)\n"
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<< scope_tab << "public " << inherit_name << "(Efl.Object parent = null, ConstructingMethod init_cb=null) : base(nativeInherit.class_initializer, \"" << inherit_name << "\", " << name_helpers::klass_get_name(cls) << "(), typeof(" << inherit_name << "), parent, ref klass)\n"
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<< scope_tab << "{\n"
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<< scope_tab << scope_tab << "if (init_cb != null) {\n"
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<< scope_tab << scope_tab << scope_tab << "init_cb(this);\n"
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@ -518,7 +544,7 @@ struct klass
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scope_tab << "///<summary>Creates a new instance.</summary>\n"
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<< scope_tab << "///<param name=\"parent\">Parent instance.</param>\n"
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<< scope_tab << "///<param name=\"init_cb\">Delegate to call constructing methods that should be run inside the constructor.</param>\n"
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<< scope_tab << "public " << inherit_name << "(Efl.Object parent = null, ConstructingMethod init_cb=null) : this(" << native_inherit_name << ".class_initializer, \"" << inherit_name << "\", " << name_helpers::klass_get_name(cls) << "(), typeof(" << inherit_name << "), parent, ref klass)\n"
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<< scope_tab << "public " << inherit_name << "(Efl.Object parent = null, ConstructingMethod init_cb=null) : this(nativeInherit.class_initializer, \"" << inherit_name << "\", " << name_helpers::klass_get_name(cls) << "(), typeof(" << inherit_name << "), parent, ref klass)\n"
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<< scope_tab << "{\n"
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<< scope_tab << scope_tab << "if (init_cb != null) {\n"
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<< scope_tab << scope_tab << scope_tab << "init_cb(this);\n"
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@ -353,6 +353,12 @@ inline std::string klass_native_inherit_name(T const& klass)
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return klass_concrete_name(klass) + "NativeInherit";
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}
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template<typename T>
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inline std::string klass_full_native_inherit_name(T const& klass)
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{
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return klass_full_concrete_name(klass) + "NativeInherit";
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}
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template<typename T>
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inline std::string klass_get_name(T const& clsname)
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{
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@ -131,6 +131,7 @@ run(options_type const& opts)
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if (!as_generator("using System;\n"
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"using System.Runtime.InteropServices;\n"
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"using System.Collections.Generic;\n"
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"using System.Linq;\n"
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"using System.ComponentModel;\n")
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.generate(iterator, efl::eolian::grammar::attributes::unused, efl::eolian::grammar::context_null()))
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{
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@ -141,6 +141,10 @@ public class Globals {
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public static IntPtr cached_string_to_intptr(Dictionary<String, IntPtr> dict, String str)
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{
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IntPtr ptr = IntPtr.Zero;
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if (str == null)
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return ptr;
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if (!dict.TryGetValue(str, out ptr))
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{
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ptr = Eina.StringConversion.ManagedStringToNativeUtf8Alloc(str);
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@ -153,6 +157,10 @@ public class Globals {
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public static IntPtr cached_stringshare_to_intptr(Dictionary<String, IntPtr> dict, String str)
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{
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IntPtr ptr = IntPtr.Zero;
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if (str == null)
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return ptr;
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if (!dict.TryGetValue(str, out ptr))
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{
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ptr = Eina.Stringshare.eina_stringshare_add(str);
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@ -345,4 +345,39 @@ class TestCsharpProperties
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}
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}
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class TestEoGrandChildrenFinalize
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{
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public sealed class Child : Dummy.TestObject
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{
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public int receivedValue = 0;
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public override Efl.Object FinalizeAdd()
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{
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receivedValue = 42;
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return this;
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}
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}
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public static void test_grand_children_finalize()
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{
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Child obj = new Child();
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Test.AssertEquals(42, obj.receivedValue);
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}
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public sealed class GrandChild : Dummy.Child
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{
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public int receivedValue = 0;
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public override Efl.Object FinalizeAdd()
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{
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receivedValue = -42;
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return this;
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}
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}
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public static void test_grand_grand_children_finalize()
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{
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GrandChild obj = new GrandChild();
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Test.AssertEquals(-42, obj.receivedValue);
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}
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}
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}
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@ -36,6 +36,7 @@
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#include "dummy_numberwrapper.eo.h"
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#include "dummy_test_object.eo.h"
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#include "dummy_child.eo.h"
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#include "dummy_test_iface.eo.h"
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#include "dummy_another_iface.eo.h"
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int number;
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} Dummy_Numberwrapper_Data;
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typedef struct Dummy_Child_Data
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{
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} Dummy_Child_Data;
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static
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void *_new_int(int v)
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@ -3898,8 +3903,29 @@ int _dummy_test_object_dummy_test_iface_iface_prop_get(EINA_UNUSED const Eo *obj
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return pd->iface_prop;
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}
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/// Dummy.Child
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static Efl_Object *
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_dummy_child_efl_object_constructor(Eo *obj, EINA_UNUSED Dummy_Child_Data *pd)
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{
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efl_constructor(efl_super(obj, DUMMY_CHILD_CLASS));
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return obj;
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}
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EOLIAN static void
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_dummy_child_class_constructor(Efl_Class *klass)
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{
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(void)klass;
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}
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EOLIAN static void
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_dummy_child_class_destructor(Efl_Class *klass)
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{
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(void)klass;
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}
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#include "dummy_test_object.eo.c"
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#include "dummy_numberwrapper.eo.c"
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#include "dummy_child.eo.c"
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#include "dummy_test_iface.eo.c"
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#include "dummy_another_iface.eo.c"
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