Merge pull request #96955 from Delsin-Yu/generator-based-CreateManagedForGodotObjectBinding

[.NET] Replace Reflection-Based implementation with Generated one in `CreateManagedForGodotObjectBinding`
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Rémi Verschelde 2024-09-23 16:13:49 +02:00
commit ea8d20d35b
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GPG key ID: C3336907360768E1
4 changed files with 158 additions and 74 deletions

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@ -77,6 +77,10 @@ StringBuilder &operator<<(StringBuilder &r_sb, const char *p_cstring) {
#define BINDINGS_GLOBAL_SCOPE_CLASS "GD"
#define BINDINGS_NATIVE_NAME_FIELD "NativeName"
#define BINDINGS_CLASS_CONSTRUCTOR "Constructors"
#define BINDINGS_CLASS_CONSTRUCTOR_EDITOR "EditorConstructors"
#define BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY "BuiltInMethodConstructors"
#define CS_PARAM_MEMORYOWN "memoryOwn"
#define CS_PARAM_METHODBIND "method"
#define CS_PARAM_INSTANCE "ptr"
@ -1737,6 +1741,69 @@ Error BindingsGenerator::generate_cs_core_project(const String &p_proj_dir) {
compile_items.push_back(output_file);
}
// Generate source file for built-in type constructor dictionary.
{
StringBuilder cs_built_in_ctors_content;
cs_built_in_ctors_content.append("namespace " BINDINGS_NAMESPACE ";\n\n");
cs_built_in_ctors_content.append("using System;\n"
"using System.Collections.Generic;\n"
"\n");
cs_built_in_ctors_content.append("internal static class " BINDINGS_CLASS_CONSTRUCTOR "\n{");
cs_built_in_ctors_content.append(MEMBER_BEGIN "internal static readonly Dictionary<string, Func<IntPtr, GodotObject>> " BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY ";\n");
cs_built_in_ctors_content.append(MEMBER_BEGIN "public static GodotObject Invoke(string nativeTypeNameStr, IntPtr nativeObjectPtr)\n");
cs_built_in_ctors_content.append(INDENT1 OPEN_BLOCK);
cs_built_in_ctors_content.append(INDENT2 "if (!" BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY ".TryGetValue(nativeTypeNameStr, out var constructor))\n");
cs_built_in_ctors_content.append(INDENT3 "throw new InvalidOperationException(\"Wrapper class not found for type: \" + nativeTypeNameStr);\n");
cs_built_in_ctors_content.append(INDENT2 "return constructor(nativeObjectPtr);\n");
cs_built_in_ctors_content.append(INDENT1 CLOSE_BLOCK);
cs_built_in_ctors_content.append(MEMBER_BEGIN "static " BINDINGS_CLASS_CONSTRUCTOR "()\n");
cs_built_in_ctors_content.append(INDENT1 OPEN_BLOCK);
cs_built_in_ctors_content.append(INDENT2 BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY " = new();\n");
for (const KeyValue<StringName, TypeInterface> &E : obj_types) {
const TypeInterface &itype = E.value;
if (itype.api_type != ClassDB::API_CORE || itype.is_singleton_instance) {
continue;
}
if (itype.is_deprecated) {
cs_built_in_ctors_content.append("#pragma warning disable CS0618\n");
}
cs_built_in_ctors_content.append(INDENT2 BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY ".Add(\"");
cs_built_in_ctors_content.append(itype.name);
cs_built_in_ctors_content.append("\", " CS_PARAM_INSTANCE " => new ");
cs_built_in_ctors_content.append(itype.proxy_name);
if (itype.is_singleton && !itype.is_compat_singleton) {
cs_built_in_ctors_content.append("Instance");
}
cs_built_in_ctors_content.append("(" CS_PARAM_INSTANCE "));\n");
if (itype.is_deprecated) {
cs_built_in_ctors_content.append("#pragma warning restore CS0618\n");
}
}
cs_built_in_ctors_content.append(INDENT1 CLOSE_BLOCK);
cs_built_in_ctors_content.append(CLOSE_BLOCK);
String constructors_file = path::join(base_gen_dir, BINDINGS_CLASS_CONSTRUCTOR ".cs");
Error err = _save_file(constructors_file, cs_built_in_ctors_content);
if (err != OK) {
return err;
}
compile_items.push_back(constructors_file);
}
// Generate native calls
StringBuilder cs_icalls_content;
@ -1844,6 +1911,57 @@ Error BindingsGenerator::generate_cs_editor_project(const String &p_proj_dir) {
compile_items.push_back(output_file);
}
// Generate source file for editor type constructor dictionary.
{
StringBuilder cs_built_in_ctors_content;
cs_built_in_ctors_content.append("namespace " BINDINGS_NAMESPACE ";\n\n");
cs_built_in_ctors_content.append("internal static class " BINDINGS_CLASS_CONSTRUCTOR_EDITOR "\n{");
cs_built_in_ctors_content.append(MEMBER_BEGIN "private static void AddEditorConstructors()\n");
cs_built_in_ctors_content.append(INDENT1 OPEN_BLOCK);
cs_built_in_ctors_content.append(INDENT2 "var builtInMethodConstructors = " BINDINGS_CLASS_CONSTRUCTOR "." BINDINGS_CLASS_CONSTRUCTOR_DICTIONARY ";\n");
for (const KeyValue<StringName, TypeInterface> &E : obj_types) {
const TypeInterface &itype = E.value;
if (itype.api_type != ClassDB::API_EDITOR || itype.is_singleton_instance) {
continue;
}
if (itype.is_deprecated) {
cs_built_in_ctors_content.append("#pragma warning disable CS0618\n");
}
cs_built_in_ctors_content.append(INDENT2 "builtInMethodConstructors.Add(\"");
cs_built_in_ctors_content.append(itype.name);
cs_built_in_ctors_content.append("\", " CS_PARAM_INSTANCE " => new ");
cs_built_in_ctors_content.append(itype.proxy_name);
if (itype.is_singleton && !itype.is_compat_singleton) {
cs_built_in_ctors_content.append("Instance");
}
cs_built_in_ctors_content.append("(" CS_PARAM_INSTANCE "));\n");
if (itype.is_deprecated) {
cs_built_in_ctors_content.append("#pragma warning restore CS0618\n");
}
}
cs_built_in_ctors_content.append(INDENT1 CLOSE_BLOCK);
cs_built_in_ctors_content.append(CLOSE_BLOCK);
String constructors_file = path::join(base_gen_dir, BINDINGS_CLASS_CONSTRUCTOR_EDITOR ".cs");
Error err = _save_file(constructors_file, cs_built_in_ctors_content);
if (err != OK) {
return err;
}
compile_items.push_back(constructors_file);
}
// Generate native calls
StringBuilder cs_icalls_content;
@ -2210,6 +2328,15 @@ Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const Str
<< CLOSE_BLOCK_L2 CLOSE_BLOCK_L1;
}
output << MEMBER_BEGIN "internal " << itype.proxy_name << "(IntPtr " CS_PARAM_INSTANCE ") : this("
<< (itype.memory_own ? "true" : "false") << ")\n" OPEN_BLOCK_L1
<< INDENT2 "NativePtr = " CS_PARAM_INSTANCE ";\n"
<< INDENT2 "unsafe\n" INDENT2 OPEN_BLOCK
<< INDENT3 "ConstructAndInitialize(null, "
<< BINDINGS_NATIVE_NAME_FIELD ", CachedType, refCounted: "
<< (itype.is_ref_counted ? "true" : "false") << ");\n"
<< CLOSE_BLOCK_L2 CLOSE_BLOCK_L1;
// Add.. em.. trick constructor. Sort of.
output.append(MEMBER_BEGIN "internal ");
output.append(itype.proxy_name);