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-rw-r--r--modules/mono/editor/bindings_generator.cpp2151
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diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp
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+/*************************************************************************/
+/* bindings_generator.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+#include "bindings_generator.h"
+
+#ifdef DEBUG_METHODS_ENABLED
+
+#include "global_constants.h"
+#include "io/compression.h"
+#include "os/dir_access.h"
+#include "os/file_access.h"
+#include "os/os.h"
+#include "project_settings.h"
+#include "ucaps.h"
+
+#include "../glue/cs_compressed.gen.h"
+#include "../godotsharp_defs.h"
+#include "../mono_gd/gd_mono_marshal.h"
+#include "../utils/path_utils.h"
+#include "../utils/string_utils.h"
+#include "csharp_project.h"
+#include "net_solution.h"
+
+#define CS_INDENT " "
+
+#define INDENT1 CS_INDENT
+#define INDENT2 INDENT1 INDENT1
+#define INDENT3 INDENT2 INDENT1
+#define INDENT4 INDENT3 INDENT1
+#define INDENT5 INDENT4 INDENT1
+
+#define MEMBER_BEGIN "\n" INDENT2
+
+#define OPEN_BLOCK "{\n"
+#define CLOSE_BLOCK "}\n"
+
+#define OPEN_BLOCK_L2 INDENT2 OPEN_BLOCK INDENT3
+#define OPEN_BLOCK_L3 INDENT3 OPEN_BLOCK INDENT4
+#define OPEN_BLOCK_L4 INDENT4 OPEN_BLOCK INDENT5
+#define CLOSE_BLOCK_L2 INDENT2 CLOSE_BLOCK
+#define CLOSE_BLOCK_L3 INDENT3 CLOSE_BLOCK
+#define CLOSE_BLOCK_L4 INDENT4 CLOSE_BLOCK
+
+#define LOCAL_RET "ret"
+
+#define CS_CLASS_NATIVECALLS "NativeCalls"
+#define CS_CLASS_NATIVECALLS_EDITOR "EditorNativeCalls"
+#define CS_FIELD_MEMORYOWN "memoryOwn"
+#define CS_PARAM_METHODBIND "method"
+#define CS_PARAM_INSTANCE "ptr"
+#define CS_SMETHOD_GETINSTANCE "GetPtr"
+#define CS_FIELD_SINGLETON "instance"
+#define CS_PROP_SINGLETON "Instance"
+#define CS_CLASS_SIGNALAWAITER "SignalAwaiter"
+#define CS_METHOD_CALL "Call"
+
+#define GLUE_HEADER_FILE "glue_header.h"
+#define ICALL_PREFIX "godot_icall_"
+#define SINGLETON_ICALL_SUFFIX "_get_singleton"
+#define ICALL_GET_METHODBIND ICALL_PREFIX "ClassDB_get_method"
+#define ICALL_CONNECT_SIGNAL_AWAITER ICALL_PREFIX "Object_connect_signal_awaiter"
+#define ICALL_OBJECT_DTOR ICALL_PREFIX "Object_Dtor"
+#define C_LOCAL_PTRCALL_ARGS "call_args"
+#define C_MACRO_OBJECT_CONSTRUCT "GODOTSHARP_INSTANCE_OBJECT"
+
+#define C_NS_MONOUTILS "GDMonoUtils"
+#define C_NS_MONOINTERNALS "GDMonoInternals"
+#define C_METHOD_TIE_MANAGED_TO_UNMANAGED C_NS_MONOINTERNALS "::tie_managed_to_unmanaged"
+#define C_METHOD_UNMANAGED_GET_MANAGED C_NS_MONOUTILS "::unmanaged_get_managed"
+
+#define C_NS_MONOMARSHAL "GDMonoMarshal"
+#define C_METHOD_MANAGED_TO_VARIANT C_NS_MONOMARSHAL "::mono_object_to_variant"
+#define C_METHOD_MANAGED_FROM_VARIANT C_NS_MONOMARSHAL "::variant_to_mono_object"
+#define C_METHOD_MONOSTR_TO_GODOT C_NS_MONOMARSHAL "::mono_string_to_godot"
+#define C_METHOD_MONOSTR_FROM_GODOT C_NS_MONOMARSHAL "::mono_string_from_godot"
+#define C_METHOD_MONOARRAY_TO(m_type) C_NS_MONOMARSHAL "::mono_array_to_" #m_type
+#define C_METHOD_MONOARRAY_FROM(m_type) C_NS_MONOMARSHAL "::" #m_type "_to_mono_array"
+#define C_METHOD_MANAGED_TO_DICT C_NS_MONOMARSHAL "::mono_object_to_Dictionary"
+#define C_METHOD_MANAGED_FROM_DICT C_NS_MONOMARSHAL "::Dictionary_to_mono_object"
+
+const char *BindingsGenerator::TypeInterface::DEFAULT_VARARG_C_IN = "\t%0 %1_in = %1;\n";
+
+bool BindingsGenerator::verbose_output = false;
+
+static bool is_csharp_keyword(const String &p_name) {
+
+ // Reserved keywords
+
+ return p_name == "abstract" || p_name == "as" || p_name == "base" || p_name == "bool" ||
+ p_name == "break" || p_name == "byte" || p_name == "case" || p_name == "catch" ||
+ p_name == "char" || p_name == "checked" || p_name == "class" || p_name == "const" ||
+ p_name == "continue" || p_name == "decimal" || p_name == "default" || p_name == "delegate" ||
+ p_name == "do" || p_name == "double" || p_name == "else" || p_name == "enum" ||
+ p_name == "event" || p_name == "explicit" || p_name == "extern" || p_name == "false" ||
+ p_name == "finally" || p_name == "fixed" || p_name == "float" || p_name == "for" ||
+ p_name == "forech" || p_name == "goto" || p_name == "if" || p_name == "implicit" ||
+ p_name == "in" || p_name == "int" || p_name == "interface" || p_name == "internal" ||
+ p_name == "is" || p_name == "lock" || p_name == "long" || p_name == "namespace" ||
+ p_name == "new" || p_name == "null" || p_name == "object" || p_name == "operator" ||
+ p_name == "out" || p_name == "override" || p_name == "params" || p_name == "private" ||
+ p_name == "protected" || p_name == "public" || p_name == "readonly" || p_name == "ref" ||
+ p_name == "return" || p_name == "sbyte" || p_name == "sealed" || p_name == "short" ||
+ p_name == "sizeof" || p_name == "stackalloc" || p_name == "static" || p_name == "string" ||
+ p_name == "struct" || p_name == "switch" || p_name == "this" || p_name == "throw" ||
+ p_name == "true" || p_name == "try" || p_name == "typeof" || p_name == "uint" || p_name == "ulong" ||
+ p_name == "unchecked" || p_name == "unsafe" || p_name == "ushort" || p_name == "using" ||
+ p_name == "virtual" || p_name == "volatile" || p_name == "void" || p_name == "while";
+}
+
+static bool is_singleton_black_listed(const String &p_type) {
+
+ return p_type == "IP_Unix" || p_type == "InputDefault" || p_type == "AudioServerSW" || p_type == "PhysicsServerSW" ||
+ p_type == "Physics2DServerSW" || p_type == "SpatialSoundServerSW" || p_type == "SpatialSound2DServerSW";
+}
+
+inline static String escape_csharp_keyword(const String &p_name) {
+
+ return is_csharp_keyword(p_name) ? "@" + p_name : p_name;
+}
+
+static String snake_to_pascal_case(const String &p_identifier) {
+
+ String ret;
+ Vector<String> parts = p_identifier.split("_", true);
+
+ for (int i = 0; i < parts.size(); i++) {
+ String part = parts[i];
+
+ if (part.length()) {
+ part[0] = _find_upper(part[0]);
+ ret += part;
+ } else {
+ if (i == 0 || i == (parts.size() - 1)) {
+ // Preserve underscores at the beginning and end
+ ret += "_";
+ } else {
+ // Preserve contiguous underscores
+ if (parts[i - 1].length()) {
+ ret += "__";
+ } else {
+ ret += "_";
+ }
+ }
+ }
+ }
+
+ return ret;
+}
+
+static String snake_to_camel_case(const String &p_identifier) {
+
+ String ret;
+ Vector<String> parts = p_identifier.split("_", true);
+
+ for (int i = 0; i < parts.size(); i++) {
+ String part = parts[i];
+
+ if (part.length()) {
+ if (i != 0)
+ part[0] = _find_upper(part[0]);
+ ret += part;
+ } else {
+ if (i == 0 || i == (parts.size() - 1)) {
+ // Preserve underscores at the beginning and end
+ ret += "_";
+ } else {
+ // Preserve contiguous underscores
+ if (parts[i - 1].length()) {
+ ret += "__";
+ } else {
+ ret += "_";
+ }
+ }
+ }
+ }
+
+ return ret;
+}
+
+void BindingsGenerator::_generate_header_icalls() {
+
+ core_custom_icalls.clear();
+
+ core_custom_icalls.push_back(InternalCall(ICALL_GET_METHODBIND, "IntPtr", "string type, string method"));
+ core_custom_icalls.push_back(InternalCall(ICALL_OBJECT_DTOR, "void", "IntPtr ptr"));
+
+ core_custom_icalls.push_back(InternalCall(ICALL_CONNECT_SIGNAL_AWAITER, "Error",
+ "IntPtr source, string signal, IntPtr target, " CS_CLASS_SIGNALAWAITER " awaiter"));
+
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "NodePath_Ctor", "IntPtr", "string path"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "NodePath_Dtor", "void", "IntPtr ptr"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "NodePath_operator_String", "string", "IntPtr ptr"));
+
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "RID_Ctor", "IntPtr", "IntPtr from"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "RID_Dtor", "void", "IntPtr ptr"));
+
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_md5_buffer", "byte[]", "string str"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_md5_text", "string", "string str"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_rfind", "int", "string str, string what, int from"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_rfindn", "int", "string str, string what, int from"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_sha256_buffer", "byte[]", "string str"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "String_sha256_text", "string", "string str"));
+
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_bytes2var", "object", "byte[] bytes"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_convert", "object", "object what, int type"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_hash", "int", "object var"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_instance_from_id", "Object", "int instance_id"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_print", "void", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_printerr", "void", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_printraw", "void", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_prints", "void", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_printt", "void", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_seed", "void", "int seed"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_str", "string", "object[] what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_str2var", "object", "string str"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_type_exists", "bool", "string type"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_var2bytes", "byte[]", "object what"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_var2str", "string", "object var"));
+ core_custom_icalls.push_back(InternalCall(ICALL_PREFIX "Godot_weakref", "WeakRef", "IntPtr obj"));
+}
+
+void BindingsGenerator::_generate_method_icalls(const TypeInterface &p_itype) {
+
+ if (p_itype.base_name.length() && obj_types[p_itype.base_name].is_singleton && is_singleton_black_listed(p_itype.name))
+ return;
+
+ for (const List<MethodInterface>::Element *E = p_itype.methods.front(); E; E = E->next()) {
+ const MethodInterface &imethod = E->get();
+
+ if (imethod.is_virtual)
+ continue;
+
+ const TypeInterface *return_type = _get_type_by_name_or_placeholder(imethod.return_type);
+
+ String im_sig = "IntPtr " CS_PARAM_METHODBIND ", IntPtr " CS_PARAM_INSTANCE;
+ String im_unique_sig = imethod.return_type + ",IntPtr,IntPtr";
+
+ // Get arguments information
+ int i = 0;
+ for (const List<ArgumentInterface>::Element *F = imethod.arguments.front(); F; F = F->next()) {
+ const TypeInterface *arg_type = _get_type_by_name_or_placeholder(F->get().type);
+
+ im_sig += ", ";
+ im_sig += arg_type->im_type_in;
+ im_sig += " arg";
+ im_sig += itos(i + 1);
+
+ im_unique_sig += ",";
+ im_unique_sig += get_unique_sig(*arg_type);
+
+ i++;
+ }
+
+ // godot_icall_{argc}_{icallcount}
+ String icall_method = ICALL_PREFIX + itos(imethod.arguments.size()) + "_" + itos(method_icalls.size());
+
+ InternalCall im_icall = InternalCall(p_itype.api_type, icall_method, return_type->im_type_out, im_sig, im_unique_sig);
+
+ List<InternalCall>::Element *match = method_icalls.find(im_icall);
+
+ if (match) {
+ if (p_itype.api_type != ClassDB::API_EDITOR)
+ match->get().editor_only = false;
+ method_icalls_map.insert(&E->get(), &match->get());
+ } else {
+ List<InternalCall>::Element *added = method_icalls.push_back(im_icall);
+ method_icalls_map.insert(&E->get(), &added->get());
+ }
+ }
+}
+
+Error BindingsGenerator::generate_cs_core_project(const String &p_output_dir, bool p_verbose_output) {
+
+ verbose_output = p_verbose_output;
+
+ DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+ ERR_FAIL_COND_V(!da, ERR_CANT_CREATE);
+
+ if (!DirAccess::exists(p_output_dir)) {
+ Error err = da->make_dir_recursive(p_output_dir);
+ ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
+ }
+
+ da->change_dir(p_output_dir);
+ da->make_dir("Core");
+ da->make_dir("ObjectType");
+
+ String core_dir = path_join(p_output_dir, "Core");
+ String obj_type_dir = path_join(p_output_dir, "ObjectType");
+
+ Vector<String> compile_items;
+
+ NETSolution solution(API_ASSEMBLY_NAME);
+
+ if (!solution.set_path(p_output_dir))
+ return ERR_FILE_NOT_FOUND;
+
+ for (Map<String, TypeInterface>::Element *E = obj_types.front(); E; E = E->next()) {
+ const TypeInterface &itype = E->get();
+
+ if (itype.api_type == ClassDB::API_EDITOR)
+ continue;
+
+ String output_file = path_join(obj_type_dir, E->get().proxy_name + ".cs");
+ Error err = _generate_cs_type(E->get(), output_file);
+
+ if (err == ERR_SKIP)
+ continue;
+
+ if (err != OK)
+ return err;
+
+ compile_items.push_back(output_file);
+ }
+
+#define GENERATE_BUILTIN_TYPE(m_name) \
+ { \
+ String output_file = path_join(core_dir, #m_name ".cs"); \
+ Error err = _generate_cs_type(builtin_types[#m_name], output_file); \
+ if (err != OK) \
+ return err; \
+ compile_items.push_back(output_file); \
+ }
+
+ GENERATE_BUILTIN_TYPE(NodePath);
+ GENERATE_BUILTIN_TYPE(RID);
+
+#undef GENERATE_BUILTIN_TYPE
+
+ // Generate source for GlobalConstants
+
+ String constants_source;
+ int global_constants_count = GlobalConstants::get_global_constant_count();
+
+ if (global_constants_count > 0) {
+ Map<String, DocData::ClassDoc>::Element *match = EditorHelp::get_doc_data()->class_list.find("@Global Scope");
+
+ ERR_EXPLAIN("Could not find `@Global Scope` in DocData");
+ ERR_FAIL_COND_V(!match, ERR_BUG);
+
+ const DocData::ClassDoc &global_scope_doc = match->value();
+
+ for (int i = 0; i < global_constants_count; i++) {
+ const DocData::ConstantDoc &const_doc = global_scope_doc.constants[i];
+
+ if (i > 0)
+ constants_source += MEMBER_BEGIN;
+
+ if (const_doc.description.size()) {
+ constants_source += "/// <summary>\n";
+
+ Vector<String> description_lines = const_doc.description.split("\n");
+
+ for (int i = 0; i < description_lines.size(); i++) {
+ if (description_lines[i].size()) {
+ constants_source += INDENT2 "/// ";
+ constants_source += description_lines[i].strip_edges().xml_escape();
+ constants_source += "\n";
+ }
+ }
+
+ constants_source += INDENT2 "/// </summary>" MEMBER_BEGIN;
+ }
+
+ constants_source += "public const int ";
+ constants_source += GlobalConstants::get_global_constant_name(i);
+ constants_source += " = ";
+ constants_source += itos(GlobalConstants::get_global_constant_value(i));
+ constants_source += ";";
+ }
+ }
+
+ // Generate sources from compressed files
+
+ Map<String, CompressedFile> compressed_files;
+ get_compressed_files(compressed_files);
+
+ for (Map<String, CompressedFile>::Element *E = compressed_files.front(); E; E = E->next()) {
+ const String &file_name = E->key();
+ const CompressedFile &file_data = E->value();
+
+ String output_file = path_join(core_dir, file_name);
+
+ Vector<uint8_t> data;
+ data.resize(file_data.uncompressed_size);
+ Compression::decompress(data.ptr(), file_data.uncompressed_size, file_data.data, file_data.compressed_size, Compression::MODE_DEFLATE);
+
+ if (file_name.get_basename() == BINDINGS_GLOBAL_SCOPE_CLASS) {
+ // GD.cs must be formatted to include the generated global constants
+ String data_str = String::utf8(reinterpret_cast<const char *>(data.ptr()), data.size());
+
+ Dictionary format_keys;
+ format_keys["GodotGlobalConstants"] = constants_source;
+ data_str = data_str.format(format_keys, "/*{_}*/");
+
+ CharString data_utf8 = data_str.utf8();
+ data.resize(data_utf8.length());
+ copymem(data.ptr(), reinterpret_cast<const uint8_t *>(data_utf8.get_data()), data_utf8.length());
+ }
+
+ FileAccessRef file = FileAccess::open(output_file, FileAccess::WRITE);
+ ERR_FAIL_COND_V(!file, ERR_FILE_CANT_WRITE);
+ file->store_buffer(data.ptr(), data.size());
+ file->close();
+
+ compile_items.push_back(output_file);
+ }
+
+ List<String> cs_icalls_content;
+
+ cs_icalls_content.push_back("using System;\n"
+ "using System.Runtime.CompilerServices;\n"
+ "using System.Collections.Generic;\n"
+ "\n");
+ cs_icalls_content.push_back("namespace " BINDINGS_NAMESPACE "\n" OPEN_BLOCK);
+ cs_icalls_content.push_back(INDENT1 "internal static class " CS_CLASS_NATIVECALLS "\n" INDENT1 OPEN_BLOCK);
+
+#define ADD_INTERNAL_CALL(m_icall) \
+ if (!m_icall.editor_only) { \
+ cs_icalls_content.push_back(INDENT2 "[MethodImpl(MethodImplOptions.InternalCall)]\n"); \
+ cs_icalls_content.push_back(INDENT2 "internal extern static "); \
+ cs_icalls_content.push_back(m_icall.im_type_out + " "); \
+ cs_icalls_content.push_back(m_icall.name + "("); \
+ cs_icalls_content.push_back(m_icall.im_sig + ");\n"); \
+ }
+
+ for (const List<InternalCall>::Element *E = core_custom_icalls.front(); E; E = E->next())
+ ADD_INTERNAL_CALL(E->get());
+ for (const List<InternalCall>::Element *E = method_icalls.front(); E; E = E->next())
+ ADD_INTERNAL_CALL(E->get());
+
+#undef ADD_INTERNAL_CALL
+
+ cs_icalls_content.push_back(INDENT1 CLOSE_BLOCK CLOSE_BLOCK);
+
+ String internal_methods_file = path_join(core_dir, CS_CLASS_NATIVECALLS ".cs");
+
+ Error err = _save_file(internal_methods_file, cs_icalls_content);
+ if (err != OK)
+ return err;
+
+ compile_items.push_back(internal_methods_file);
+
+ String guid = CSharpProject::generate_core_api_project(p_output_dir, compile_items);
+
+ solution.add_new_project(API_ASSEMBLY_NAME, guid);
+
+ Error sln_error = solution.save();
+ if (sln_error != OK) {
+ ERR_PRINT("Could not to save .NET solution.");
+ return sln_error;
+ }
+
+ return OK;
+}
+
+Error BindingsGenerator::generate_cs_editor_project(const String &p_output_dir, const String &p_core_dll_path, bool p_verbose_output) {
+
+ verbose_output = p_verbose_output;
+
+ DirAccessRef da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM);
+ ERR_FAIL_COND_V(!da, ERR_CANT_CREATE);
+
+ if (!DirAccess::exists(p_output_dir)) {
+ Error err = da->make_dir_recursive(p_output_dir);
+ ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
+ }
+
+ da->change_dir(p_output_dir);
+ da->make_dir("Core");
+ da->make_dir("ObjectType");
+
+ String core_dir = path_join(p_output_dir, "Core");
+ String obj_type_dir = path_join(p_output_dir, "ObjectType");
+
+ Vector<String> compile_items;
+
+ NETSolution solution(EDITOR_API_ASSEMBLY_NAME);
+
+ if (!solution.set_path(p_output_dir))
+ return ERR_FILE_NOT_FOUND;
+
+ for (Map<String, TypeInterface>::Element *E = obj_types.front(); E; E = E->next()) {
+ const TypeInterface &itype = E->get();
+
+ if (itype.api_type != ClassDB::API_EDITOR)
+ continue;
+
+ String output_file = path_join(obj_type_dir, E->get().proxy_name + ".cs");
+ Error err = _generate_cs_type(E->get(), output_file);
+
+ if (err == ERR_SKIP)
+ continue;
+
+ if (err != OK)
+ return err;
+
+ compile_items.push_back(output_file);
+ }
+
+ List<String> cs_icalls_content;
+
+ cs_icalls_content.push_back("using System;\n"
+ "using System.Runtime.CompilerServices;\n"
+ "using System.Collections.Generic;\n"
+ "\n");
+ cs_icalls_content.push_back("namespace " BINDINGS_NAMESPACE "\n" OPEN_BLOCK);
+ cs_icalls_content.push_back(INDENT1 "internal static class " CS_CLASS_NATIVECALLS_EDITOR "\n" INDENT1 OPEN_BLOCK);
+
+#define ADD_INTERNAL_CALL(m_icall) \
+ if (m_icall.editor_only) { \
+ cs_icalls_content.push_back(INDENT2 "[MethodImpl(MethodImplOptions.InternalCall)]\n"); \
+ cs_icalls_content.push_back(INDENT2 "internal extern static "); \
+ cs_icalls_content.push_back(m_icall.im_type_out + " "); \
+ cs_icalls_content.push_back(m_icall.name + "("); \
+ cs_icalls_content.push_back(m_icall.im_sig + ");\n"); \
+ }
+
+ for (const List<InternalCall>::Element *E = editor_custom_icalls.front(); E; E = E->next())
+ ADD_INTERNAL_CALL(E->get());
+ for (const List<InternalCall>::Element *E = method_icalls.front(); E; E = E->next())
+ ADD_INTERNAL_CALL(E->get());
+
+#undef ADD_INTERNAL_CALL
+
+ cs_icalls_content.push_back(INDENT1 CLOSE_BLOCK CLOSE_BLOCK);
+
+ String internal_methods_file = path_join(core_dir, CS_CLASS_NATIVECALLS_EDITOR ".cs");
+
+ Error err = _save_file(internal_methods_file, cs_icalls_content);
+ if (err != OK)
+ return err;
+
+ compile_items.push_back(internal_methods_file);
+
+ String guid = CSharpProject::generate_editor_api_project(p_output_dir, p_core_dll_path, compile_items);
+
+ solution.add_new_project(EDITOR_API_ASSEMBLY_NAME, guid);
+
+ Error sln_error = solution.save();
+ if (sln_error != OK) {
+ ERR_PRINT("Could not to save .NET solution.");
+ return sln_error;
+ }
+
+ return OK;
+}
+
+// TODO: there are constants that hide inherited members. must explicitly use `new` to avoid warnings
+// e.g.: warning CS0108: 'SpriteBase3D.FLAG_MAX' hides inherited member 'GeometryInstance.FLAG_MAX'. Use the new keyword if hiding was intended.
+Error BindingsGenerator::_generate_cs_type(const TypeInterface &itype, const String &p_output_file) {
+
+ int method_bind_count = 0;
+
+ bool is_derived_type = itype.base_name.length();
+
+ if (is_derived_type && obj_types[itype.base_name].is_singleton && is_singleton_black_listed(itype.name))
+ return ERR_SKIP;
+
+ List<InternalCall> &custom_icalls = itype.api_type == ClassDB::API_EDITOR ? editor_custom_icalls : core_custom_icalls;
+
+ if (verbose_output)
+ OS::get_singleton()->print(String("Generating " + itype.proxy_name + ".cs...\n").utf8());
+
+ String ctor_method(ICALL_PREFIX + itype.proxy_name + "_Ctor");
+
+ List<String> cs_file;
+
+ cs_file.push_back("using System;\n"); // IntPtr
+
+ if (itype.requires_collections)
+ cs_file.push_back("using System.Collections.Generic;\n"); // Dictionary
+
+ cs_file.push_back("\nnamespace " BINDINGS_NAMESPACE "\n" OPEN_BLOCK);
+
+ const DocData::ClassDoc *class_doc = itype.class_doc;
+
+ if (class_doc && class_doc->description.size()) {
+ cs_file.push_back(INDENT1 "/// <summary>\n");
+
+ Vector<String> description_lines = class_doc->description.split("\n");
+
+ for (int i = 0; i < description_lines.size(); i++) {
+ if (description_lines[i].size()) {
+ cs_file.push_back(INDENT1 "/// ");
+ cs_file.push_back(description_lines[i].strip_edges().xml_escape());
+ cs_file.push_back("\n");
+ }
+ }
+
+ cs_file.push_back(INDENT1 "/// </summary>\n");
+ }
+
+ cs_file.push_back(INDENT1 "public ");
+ cs_file.push_back(itype.is_singleton ? "static class " : "class ");
+ cs_file.push_back(itype.proxy_name);
+
+ if (itype.is_singleton || !itype.is_object_type) {
+ cs_file.push_back("\n");
+ } else if (!is_derived_type) {
+ cs_file.push_back(" : IDisposable\n");
+ } else if (obj_types.has(itype.base_name)) {
+ cs_file.push_back(" : ");
+ cs_file.push_back(obj_types[itype.base_name].proxy_name);
+ cs_file.push_back("\n");
+ } else {
+ ERR_PRINTS("Base type ' " + itype.base_name + "' does not exist");
+ return ERR_INVALID_DATA;
+ }
+
+ cs_file.push_back(INDENT1 "{");
+
+ if (class_doc) {
+
+ // Add constants
+
+ for (int i = 0; i < class_doc->constants.size(); i++) {
+ const DocData::ConstantDoc &const_doc = class_doc->constants[i];
+
+ if (const_doc.description.size()) {
+ cs_file.push_back(MEMBER_BEGIN "/// <summary>\n");
+
+ Vector<String> description_lines = const_doc.description.split("\n");
+
+ for (int i = 0; i < description_lines.size(); i++) {
+ if (description_lines[i].size()) {
+ cs_file.push_back(INDENT2 "/// ");
+ cs_file.push_back(description_lines[i].strip_edges().xml_escape());
+ cs_file.push_back("\n");
+ }
+ }
+
+ cs_file.push_back(INDENT2 "/// </summary>");
+ }
+
+ cs_file.push_back(MEMBER_BEGIN "public const int ");
+ cs_file.push_back(const_doc.name);
+ cs_file.push_back(" = ");
+ cs_file.push_back(const_doc.value);
+ cs_file.push_back(";");
+ }
+
+ if (class_doc->constants.size())
+ cs_file.push_back("\n");
+
+ // Add properties
+
+ const Vector<DocData::PropertyDoc> &properties = itype.class_doc->properties;
+
+ for (int i = 0; i < properties.size(); i++) {
+ const DocData::PropertyDoc &prop_doc = properties[i];
+
+ const MethodInterface *setter = itype.find_method_by_name(prop_doc.setter);
+
+ // Search it in base types too
+ const TypeInterface *current_type = &itype;
+ while (!setter && current_type->base_name.length()) {
+ Map<String, TypeInterface>::Element *base_match = obj_types.find(current_type->base_name);
+ ERR_FAIL_NULL_V(base_match, ERR_BUG);
+ current_type = &base_match->get();
+ setter = current_type->find_method_by_name(prop_doc.setter);
+ }
+
+ const MethodInterface *getter = itype.find_method_by_name(prop_doc.getter);
+
+ // Search it in base types too
+ current_type = &itype;
+ while (!getter && current_type->base_name.length()) {
+ Map<String, TypeInterface>::Element *base_match = obj_types.find(current_type->base_name);
+ ERR_FAIL_NULL_V(base_match, ERR_BUG);
+ current_type = &base_match->get();
+ getter = current_type->find_method_by_name(prop_doc.getter);
+ }
+
+ ERR_FAIL_COND_V(!setter && !getter, ERR_BUG);
+
+ bool is_valid = false;
+ int prop_index = ClassDB::get_property_index(itype.name, prop_doc.name, &is_valid);
+ ERR_FAIL_COND_V(!is_valid, ERR_BUG);
+
+ if (setter) {
+ int setter_argc = prop_index != -1 ? 2 : 1;
+ ERR_FAIL_COND_V(setter->arguments.size() != setter_argc, ERR_BUG);
+ }
+
+ if (getter) {
+ int getter_argc = prop_index != -1 ? 1 : 0;
+ ERR_FAIL_COND_V(getter->arguments.size() != getter_argc, ERR_BUG);
+ }
+
+ if (getter && setter) {
+ ERR_FAIL_COND_V(getter->return_type != setter->arguments.back()->get().type, ERR_BUG);
+ }
+
+ // Let's not trust PropertyDoc::type
+ String proptype_name = getter ? getter->return_type : setter->arguments.back()->get().type;
+
+ const TypeInterface *prop_itype = _get_type_by_name_or_null(proptype_name);
+ if (!prop_itype) {
+ // Try with underscore prefix
+ prop_itype = _get_type_by_name_or_null("_" + proptype_name);
+ }
+
+ ERR_FAIL_NULL_V(prop_itype, ERR_BUG);
+
+ String prop_proxy_name = escape_csharp_keyword(snake_to_pascal_case(prop_doc.name));
+
+ // Prevent property and enclosing type from sharing the same name
+ if (prop_proxy_name == itype.proxy_name) {
+ if (verbose_output) {
+ WARN_PRINTS("Name of property `" + prop_proxy_name + "` is ambiguous with the name of its class `" +
+ itype.proxy_name + "`. Renaming property to `" + prop_proxy_name + "_`");
+ }
+
+ prop_proxy_name += "_";
+ }
+
+ if (prop_doc.description.size()) {
+ cs_file.push_back(MEMBER_BEGIN "/// <summary>\n");
+
+ Vector<String> description_lines = prop_doc.description.split("\n");
+
+ for (int i = 0; i < description_lines.size(); i++) {
+ if (description_lines[i].size()) {
+ cs_file.push_back(INDENT2 "/// ");
+ cs_file.push_back(description_lines[i].strip_edges().xml_escape());
+ cs_file.push_back("\n");
+ }
+ }
+
+ cs_file.push_back(INDENT2 "/// </summary>");
+ }
+
+ cs_file.push_back(MEMBER_BEGIN "public ");
+
+ if (itype.is_singleton)
+ cs_file.push_back("static ");
+
+ cs_file.push_back(prop_itype->cs_type);
+ cs_file.push_back(" ");
+ cs_file.push_back(prop_proxy_name.replace("/", "__"));
+ cs_file.push_back("\n" INDENT2 OPEN_BLOCK);
+
+ if (getter) {
+ cs_file.push_back(INDENT3 "get\n" OPEN_BLOCK_L3);
+ cs_file.push_back("return ");
+ cs_file.push_back(getter->proxy_name + "(");
+ if (prop_index != -1)
+ cs_file.push_back(itos(prop_index));
+ cs_file.push_back(");\n" CLOSE_BLOCK_L3);
+ }
+
+ if (setter) {
+ cs_file.push_back(INDENT3 "set\n" OPEN_BLOCK_L3);
+ cs_file.push_back(setter->proxy_name + "(");
+ if (prop_index != -1)
+ cs_file.push_back(itos(prop_index) + ", ");
+ cs_file.push_back("value);\n" CLOSE_BLOCK_L3);
+ }
+
+ cs_file.push_back(CLOSE_BLOCK_L2);
+ }
+
+ if (class_doc->properties.size())
+ cs_file.push_back("\n");
+ }
+
+ if (!itype.is_object_type) {
+ cs_file.push_back(MEMBER_BEGIN "private const string " BINDINGS_NATIVE_NAME_FIELD " = \"" + itype.name + "\";\n");
+ cs_file.push_back(MEMBER_BEGIN "private bool disposed = false;\n");
+ cs_file.push_back(MEMBER_BEGIN "internal IntPtr " BINDINGS_PTR_FIELD ";\n");
+
+ cs_file.push_back(MEMBER_BEGIN "internal static IntPtr " CS_SMETHOD_GETINSTANCE "(");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back(" instance)\n" OPEN_BLOCK_L2 "return instance == null ? IntPtr.Zero : instance." BINDINGS_PTR_FIELD ";\n" CLOSE_BLOCK_L2);
+
+ // Add Destructor
+ cs_file.push_back(MEMBER_BEGIN "~");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("()\n" OPEN_BLOCK_L2 "Dispose(false);\n" CLOSE_BLOCK_L2);
+
+ // Add the Dispose from IDisposable
+ cs_file.push_back(MEMBER_BEGIN "public void Dispose()\n" OPEN_BLOCK_L2 "Dispose(true);\n" INDENT3 "GC.SuppressFinalize(this);\n" CLOSE_BLOCK_L2);
+
+ // Add the virtual Dispose
+ cs_file.push_back(MEMBER_BEGIN "public virtual void Dispose(bool disposing)\n" OPEN_BLOCK_L2
+ "if (disposed) return;\n" INDENT3
+ "if (" BINDINGS_PTR_FIELD " != IntPtr.Zero)\n" OPEN_BLOCK_L3 "NativeCalls.godot_icall_");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("_Dtor(" BINDINGS_PTR_FIELD ");\n" INDENT5 BINDINGS_PTR_FIELD " = IntPtr.Zero;\n" CLOSE_BLOCK_L3 INDENT3
+ "GC.SuppressFinalize(this);\n" INDENT3 "disposed = true;\n" CLOSE_BLOCK_L2);
+
+ cs_file.push_back(MEMBER_BEGIN "internal ");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("(IntPtr " BINDINGS_PTR_FIELD ")\n" OPEN_BLOCK_L2 "this." BINDINGS_PTR_FIELD " = " BINDINGS_PTR_FIELD ";\n" CLOSE_BLOCK_L2);
+
+ cs_file.push_back(MEMBER_BEGIN "public bool HasValidHandle()\n" OPEN_BLOCK_L2
+ "return " BINDINGS_PTR_FIELD " == IntPtr.Zero;\n" CLOSE_BLOCK_L2);
+ } else if (itype.is_singleton) {
+ // Add the type name and the singleton pointer as static fields
+
+ cs_file.push_back(MEMBER_BEGIN "private const string " BINDINGS_NATIVE_NAME_FIELD " = \"");
+ cs_file.push_back(itype.name);
+ cs_file.push_back("\";\n");
+
+ cs_file.push_back(INDENT2 "internal static IntPtr " BINDINGS_PTR_FIELD " = ");
+ cs_file.push_back(itype.api_type == ClassDB::API_EDITOR ? CS_CLASS_NATIVECALLS_EDITOR : CS_CLASS_NATIVECALLS);
+ cs_file.push_back("." ICALL_PREFIX);
+ cs_file.push_back(itype.name);
+ cs_file.push_back(SINGLETON_ICALL_SUFFIX "();\n");
+ } else {
+ // Add member fields
+
+ cs_file.push_back(MEMBER_BEGIN "private const string " BINDINGS_NATIVE_NAME_FIELD " = \"");
+ cs_file.push_back(itype.name);
+ cs_file.push_back("\";\n");
+
+ // Only the base class stores the pointer to the native object
+ // This pointer is expected to be and must be of type Object*
+ if (!is_derived_type) {
+ cs_file.push_back(MEMBER_BEGIN "private bool disposed = false;\n");
+ cs_file.push_back(INDENT2 "internal IntPtr " BINDINGS_PTR_FIELD ";\n");
+ cs_file.push_back(INDENT2 "internal bool " CS_FIELD_MEMORYOWN ";\n");
+ }
+
+ // Add default constructor
+ if (itype.is_instantiable) {
+ cs_file.push_back(MEMBER_BEGIN "public ");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("() : this(");
+ cs_file.push_back(itype.memory_own ? "true" : "false");
+
+ // The default constructor may also be called by the engine when instancing existing native objects
+ // The engine will initialize the pointer field of the managed side before calling the constructor
+ // This is why we only allocate a new native object from the constructor if the pointer field is not set
+ cs_file.push_back(")\n" OPEN_BLOCK_L2 "if (" BINDINGS_PTR_FIELD " == IntPtr.Zero)\n" INDENT4 BINDINGS_PTR_FIELD " = ");
+ cs_file.push_back(itype.api_type == ClassDB::API_EDITOR ? CS_CLASS_NATIVECALLS_EDITOR : CS_CLASS_NATIVECALLS);
+ cs_file.push_back("." + ctor_method);
+ cs_file.push_back("(this);\n" CLOSE_BLOCK_L2);
+ } else {
+ // Hide the constructor
+ cs_file.push_back(MEMBER_BEGIN "internal ");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("() {}\n");
+ }
+
+ // Add.. em.. trick constructor. Sort of.
+ cs_file.push_back(MEMBER_BEGIN "internal ");
+ cs_file.push_back(itype.proxy_name);
+ if (is_derived_type) {
+ cs_file.push_back("(bool " CS_FIELD_MEMORYOWN ") : base(" CS_FIELD_MEMORYOWN ") {}\n");
+ } else {
+ cs_file.push_back("(bool " CS_FIELD_MEMORYOWN ")\n" OPEN_BLOCK_L2
+ "this." CS_FIELD_MEMORYOWN " = " CS_FIELD_MEMORYOWN ";\n" CLOSE_BLOCK_L2);
+ }
+
+ // Add methods
+
+ if (!is_derived_type) {
+ cs_file.push_back(MEMBER_BEGIN "public bool HasValidHandle()\n" OPEN_BLOCK_L2
+ "return " BINDINGS_PTR_FIELD " == IntPtr.Zero;\n" CLOSE_BLOCK_L2);
+
+ cs_file.push_back(MEMBER_BEGIN "internal static IntPtr " CS_SMETHOD_GETINSTANCE "(Object instance)\n" OPEN_BLOCK_L2
+ "return instance == null ? IntPtr.Zero : instance." BINDINGS_PTR_FIELD ";\n" CLOSE_BLOCK_L2);
+ }
+
+ if (!is_derived_type) {
+ // Add destructor
+ cs_file.push_back(MEMBER_BEGIN "~");
+ cs_file.push_back(itype.proxy_name);
+ cs_file.push_back("()\n" OPEN_BLOCK_L2 "Dispose(false);\n" CLOSE_BLOCK_L2);
+
+ // Add the Dispose from IDisposable
+ cs_file.push_back(MEMBER_BEGIN "public void Dispose()\n" OPEN_BLOCK_L2 "Dispose(true);\n" INDENT3 "GC.SuppressFinalize(this);\n" CLOSE_BLOCK_L2);
+
+ // Add the virtual Dispose
+ cs_file.push_back(MEMBER_BEGIN "public virtual void Dispose(bool disposing)\n" OPEN_BLOCK_L2
+ "if (disposed) return;\n" INDENT3
+ "if (" BINDINGS_PTR_FIELD " != IntPtr.Zero)\n" OPEN_BLOCK_L3
+ "if (" CS_FIELD_MEMORYOWN ")\n" OPEN_BLOCK_L4 CS_FIELD_MEMORYOWN
+ " = false;\n" INDENT5 CS_CLASS_NATIVECALLS "." ICALL_OBJECT_DTOR
+ "(" BINDINGS_PTR_FIELD ");\n" INDENT5 BINDINGS_PTR_FIELD
+ " = IntPtr.Zero;\n" CLOSE_BLOCK_L4 CLOSE_BLOCK_L3 INDENT3
+ "GC.SuppressFinalize(this);\n" INDENT3 "disposed = true;\n" CLOSE_BLOCK_L2);
+
+ Map<String, TypeInterface>::Element *array_itype = builtin_types.find("Array");
+
+ if (!array_itype) {
+ ERR_PRINT("BUG: Array type interface not found!");
+ return ERR_BUG;
+ }
+
+ cs_file.push_back(MEMBER_BEGIN "private void _AwaitedSignalCallback(");
+ cs_file.push_back(array_itype->get().cs_type);
+ cs_file.push_back(" args, SignalAwaiter awaiter)\n" OPEN_BLOCK_L2 "awaiter.SignalCallback(args);\n" CLOSE_BLOCK_L2);
+
+ Map<String, TypeInterface>::Element *object_itype = obj_types.find("Object");
+
+ if (!object_itype) {
+ ERR_PRINT("BUG: Array type interface not found!");
+ return ERR_BUG;
+ }
+
+ cs_file.push_back(MEMBER_BEGIN "public " CS_CLASS_SIGNALAWAITER " ToSignal(");
+ cs_file.push_back(object_itype->get().cs_type);
+ cs_file.push_back(" source, string signal)\n" OPEN_BLOCK_L2
+ "return new " CS_CLASS_SIGNALAWAITER "(source, signal, this);\n" CLOSE_BLOCK_L2);
+ }
+ }
+
+ Map<String, String>::Element *extra_member = extra_members.find(itype.name);
+ if (extra_member)
+ cs_file.push_back(extra_member->get());
+
+ for (const List<MethodInterface>::Element *E = itype.methods.front(); E; E = E->next()) {
+ const MethodInterface &imethod = E->get();
+
+ const TypeInterface *return_type = _get_type_by_name_or_placeholder(imethod.return_type);
+
+ String method_bind_field = "method_bind_" + itos(method_bind_count);
+
+ String icall_params = method_bind_field + ", " + sformat(itype.cs_in, "this");
+ String arguments_sig;
+ String cs_in_statements;
+
+ List<String> default_args_doc;
+
+ // Retrieve information from the arguments
+ for (const List<ArgumentInterface>::Element *F = imethod.arguments.front(); F; F = F->next()) {
+ const ArgumentInterface &iarg = F->get();
+ const TypeInterface *arg_type = _get_type_by_name_or_placeholder(iarg.type);
+
+ // Add the current arguments to the signature
+ // If the argument has a default value which is not a constant, we will make it Nullable
+ {
+ if (F != imethod.arguments.front())
+ arguments_sig += ", ";
+
+ if (iarg.def_param_mode == ArgumentInterface::NULLABLE_VAL)
+ arguments_sig += "Nullable<";
+
+ arguments_sig += arg_type->cs_type;
+
+ if (iarg.def_param_mode == ArgumentInterface::NULLABLE_VAL)
+ arguments_sig += "> ";
+ else
+ arguments_sig += " ";
+
+ arguments_sig += iarg.name;
+
+ if (iarg.default_argument.size()) {
+ if (iarg.def_param_mode != ArgumentInterface::CONSTANT)
+ arguments_sig += " = null";
+ else
+ arguments_sig += " = " + sformat(iarg.default_argument, arg_type->cs_type);
+ }
+ }
+
+ icall_params += ", ";
+
+ if (iarg.default_argument.size() && iarg.def_param_mode != ArgumentInterface::CONSTANT) {
+ // The default value of an argument must be constant. Otherwise we make it Nullable and do the following:
+ // Type arg_in = arg.HasValue ? arg.Value : <non-const default value>;
+ String arg_in = iarg.name;
+ arg_in += "_in";
+
+ cs_in_statements += arg_type->cs_type;
+ cs_in_statements += " ";
+ cs_in_statements += arg_in;
+ cs_in_statements += " = ";
+ cs_in_statements += iarg.name;
+
+ if (iarg.def_param_mode == ArgumentInterface::NULLABLE_VAL)
+ cs_in_statements += ".HasValue ? ";
+ else
+ cs_in_statements += " != null ? ";
+
+ cs_in_statements += iarg.name;
+
+ if (iarg.def_param_mode == ArgumentInterface::NULLABLE_VAL)
+ cs_in_statements += ".Value : ";
+ else
+ cs_in_statements += " : ";
+
+ String def_arg = sformat(iarg.default_argument, arg_type->cs_type);
+
+ cs_in_statements += def_arg;
+ cs_in_statements += ";\n" INDENT3;
+
+ icall_params += arg_type->cs_in.empty() ? arg_in : sformat(arg_type->cs_in, arg_in);
+
+ default_args_doc.push_back(INDENT2 "/// <param name=\"" + iarg.name + "\">If the param is null, then the default value is " + def_arg + "</param>\n");
+ } else {
+ icall_params += arg_type->cs_in.empty() ? iarg.name : sformat(arg_type->cs_in, iarg.name);
+ }
+ }
+
+ // Generate method
+ {
+ if (!imethod.is_virtual && !imethod.requires_object_call) {
+ cs_file.push_back(MEMBER_BEGIN "private ");
+ cs_file.push_back(itype.is_singleton ? "static IntPtr " : "IntPtr ");
+ cs_file.push_back(method_bind_field + " = " CS_CLASS_NATIVECALLS "." ICALL_GET_METHODBIND "(" BINDINGS_NATIVE_NAME_FIELD ", \"");
+ cs_file.push_back(imethod.name);
+ cs_file.push_back("\");\n");
+ }
+
+ if (imethod.method_doc && imethod.method_doc->description.size()) {
+ cs_file.push_back(MEMBER_BEGIN "/// <summary>\n");
+
+ Vector<String> description_lines = imethod.method_doc->description.split("\n");
+
+ for (int i = 0; i < description_lines.size(); i++) {
+ if (description_lines[i].size()) {
+ cs_file.push_back(INDENT2 "/// ");
+ cs_file.push_back(description_lines[i].strip_edges().xml_escape());
+ cs_file.push_back("\n");
+ }
+ }
+
+ for (List<String>::Element *E = default_args_doc.front(); E; E = E->next()) {
+ cs_file.push_back(E->get().xml_escape());
+ }
+
+ cs_file.push_back(INDENT2 "/// </summary>");
+ }
+
+ if (!imethod.is_internal) {
+ cs_file.push_back(MEMBER_BEGIN "[GodotMethod(\"");
+ cs_file.push_back(imethod.name);
+ cs_file.push_back("\")]");
+ }
+
+ cs_file.push_back(MEMBER_BEGIN);
+ cs_file.push_back(imethod.is_internal ? "internal " : "public ");
+
+ if (itype.is_singleton) {
+ cs_file.push_back("static ");
+ } else if (imethod.is_virtual) {
+ cs_file.push_back("virtual ");
+ }
+
+ cs_file.push_back(return_type->cs_type + " ");
+ cs_file.push_back(imethod.proxy_name + "(");
+ cs_file.push_back(arguments_sig + ")\n" OPEN_BLOCK_L2);
+
+ if (imethod.is_virtual) {
+ // Godot virtual method must be overridden, therefore we return a default value by default.
+
+ if (return_type->name == "void") {
+ cs_file.push_back("return;\n" CLOSE_BLOCK_L2);
+ } else {
+ cs_file.push_back("return default(");
+ cs_file.push_back(return_type->cs_type);
+ cs_file.push_back(");\n" CLOSE_BLOCK_L2);
+ }
+
+ continue;
+ }
+
+ if (imethod.requires_object_call) {
+ // Fallback to Godot's object.Call(string, params)
+
+ cs_file.push_back(CS_METHOD_CALL "(\"");
+ cs_file.push_back(imethod.name);
+ cs_file.push_back("\"");
+
+ for (const List<ArgumentInterface>::Element *F = imethod.arguments.front(); F; F = F->next()) {
+ cs_file.push_back(", ");
+ cs_file.push_back(F->get().name);
+ }
+
+ cs_file.push_back(");\n" CLOSE_BLOCK_L2);
+
+ continue;
+ }
+
+ const Map<const MethodInterface *, const InternalCall *>::Element *match = method_icalls_map.find(&E->get());
+ ERR_FAIL_NULL_V(match, ERR_BUG);
+
+ const InternalCall *im_icall = match->value();
+
+ String im_call = im_icall->editor_only ? CS_CLASS_NATIVECALLS_EDITOR : CS_CLASS_NATIVECALLS;
+ im_call += "." + im_icall->name + "(" + icall_params + ");\n";
+
+ if (imethod.arguments.size())
+ cs_file.push_back(cs_in_statements);
+
+ if (return_type->name == "void") {
+ cs_file.push_back(im_call);
+ } else if (return_type->cs_out.empty()) {
+ cs_file.push_back("return " + im_call);
+ } else {
+ cs_file.push_back(return_type->im_type_out);
+ cs_file.push_back(" " LOCAL_RET " = ");
+ cs_file.push_back(im_call);
+ cs_file.push_back(INDENT3);
+ cs_file.push_back(sformat(return_type->cs_out, LOCAL_RET) + "\n");
+ }
+
+ cs_file.push_back(CLOSE_BLOCK_L2);
+ }
+
+ method_bind_count++;
+ }
+
+ if (itype.is_singleton) {
+ InternalCall singleton_icall = InternalCall(itype.api_type, ICALL_PREFIX + itype.name + SINGLETON_ICALL_SUFFIX, "IntPtr");
+
+ if (!find_icall_by_name(singleton_icall.name, custom_icalls))
+ custom_icalls.push_back(singleton_icall);
+ }
+
+ if (itype.is_instantiable) {
+ InternalCall ctor_icall = InternalCall(itype.api_type, ctor_method, "IntPtr", itype.proxy_name + " obj");
+
+ if (!find_icall_by_name(ctor_icall.name, custom_icalls))
+ custom_icalls.push_back(ctor_icall);
+ }
+
+ cs_file.push_back(INDENT1 CLOSE_BLOCK CLOSE_BLOCK);
+
+ return _save_file(p_output_file, cs_file);
+}
+
+Error BindingsGenerator::generate_glue(const String &p_output_dir) {
+
+ verbose_output = true;
+
+ bool dir_exists = DirAccess::exists(p_output_dir);
+ ERR_EXPLAIN("The output directory does not exist.");
+ ERR_FAIL_COND_V(!dir_exists, ERR_FILE_BAD_PATH);
+
+ List<String> cpp_file;
+
+ cpp_file.push_back("#include \"" GLUE_HEADER_FILE "\"\n"
+ "\n");
+
+ List<const InternalCall *> generated_icall_funcs;
+
+ for (Map<String, TypeInterface>::Element *type_elem = obj_types.front(); type_elem; type_elem = type_elem->next()) {
+ const TypeInterface &itype = type_elem->get();
+
+ if (itype.base_name.length() && obj_types[itype.base_name].is_singleton && is_singleton_black_listed(itype.name))
+ continue;
+
+ List<InternalCall> &custom_icalls = itype.api_type == ClassDB::API_EDITOR ? editor_custom_icalls : core_custom_icalls;
+
+ OS::get_singleton()->print(String("Generating " + itype.name + "...\n").utf8());
+
+ String ctor_method(ICALL_PREFIX + itype.proxy_name + "_Ctor");
+
+ for (const List<MethodInterface>::Element *E = itype.methods.front(); E; E = E->next()) {
+ const MethodInterface &imethod = E->get();
+
+ if (imethod.is_virtual)
+ continue;
+
+ bool ret_void = imethod.return_type == "void";
+
+ const TypeInterface *return_type = _get_type_by_name_or_placeholder(imethod.return_type);
+
+ String argc_str = itos(imethod.arguments.size());
+
+ String c_func_sig = "MethodBind* " CS_PARAM_METHODBIND ", " + itype.c_type_in + " " CS_PARAM_INSTANCE;
+ String c_in_statements;
+ String c_args_var_content;
+
+ // Get arguments information
+ int i = 0;
+ for (const List<ArgumentInterface>::Element *F = imethod.arguments.front(); F; F = F->next()) {
+ const ArgumentInterface &iarg = F->get();
+ const TypeInterface *arg_type = _get_type_by_name_or_placeholder(iarg.type);
+
+ String c_param_name = "arg" + itos(i + 1);
+
+ if (imethod.is_vararg) {
+ if (i < imethod.arguments.size() - 1) {
+ c_in_statements += sformat(arg_type->c_in.size() ? arg_type->c_in : TypeInterface::DEFAULT_VARARG_C_IN, "Variant", c_param_name);
+ c_in_statements += "\t" C_LOCAL_PTRCALL_ARGS ".set(0, ";
+ c_in_statements += sformat("&%s_in", c_param_name);
+ c_in_statements += ");\n";
+ }
+ } else {
+ if (i > 0)
+ c_args_var_content += ", ";
+ if (arg_type->c_in.size())
+ c_in_statements += sformat(arg_type->c_in, arg_type->c_type, c_param_name);
+ c_args_var_content += sformat(arg_type->c_arg_in, c_param_name);
+ }
+
+ c_func_sig += ", ";
+ c_func_sig += arg_type->c_type_in;
+ c_func_sig += " ";
+ c_func_sig += c_param_name;
+
+ i++;
+ }
+
+ const Map<const MethodInterface *, const InternalCall *>::Element *match = method_icalls_map.find(&E->get());
+ ERR_FAIL_NULL_V(match, ERR_BUG);
+
+ const InternalCall *im_icall = match->value();
+ String icall_method = im_icall->name;
+
+ if (!generated_icall_funcs.find(im_icall)) {
+ generated_icall_funcs.push_back(im_icall);
+
+ if (im_icall->editor_only)
+ cpp_file.push_back("#ifdef TOOLS_ENABLED\n");
+
+ // Generate icall function
+
+ cpp_file.push_back(ret_void ? "void " : return_type->c_type_out + " ");
+ cpp_file.push_back(icall_method);
+ cpp_file.push_back("(");
+ cpp_file.push_back(c_func_sig);
+ cpp_file.push_back(") " OPEN_BLOCK);
+
+ String fail_ret = ret_void ? "" : ", " + (return_type->c_type_out.ends_with("*") ? "NULL" : return_type->c_type_out + "()");
+
+ if (!ret_void) {
+ String ptrcall_return_type;
+ String initialization;
+
+ if (return_type->is_object_type) {
+ ptrcall_return_type = return_type->is_reference ? "Ref<Reference>" : return_type->c_type;
+ initialization = return_type->is_reference ? "" : " = NULL";
+ } else {
+ ptrcall_return_type = return_type->c_type;
+ }
+
+ cpp_file.push_back("\t" + ptrcall_return_type);
+ cpp_file.push_back(" " LOCAL_RET);
+ cpp_file.push_back(initialization + ";\n");
+ cpp_file.push_back("\tERR_FAIL_NULL_V(" CS_PARAM_INSTANCE);
+ cpp_file.push_back(fail_ret);
+ cpp_file.push_back(");\n");
+ } else {
+ cpp_file.push_back("\tERR_FAIL_NULL(" CS_PARAM_INSTANCE ");\n");
+ }
+
+ if (imethod.arguments.size()) {
+ if (imethod.is_vararg) {
+ String err_fail_macro = ret_void ? "ERR_FAIL_COND" : "ERR_FAIL_COND_V";
+ String vararg_arg = "arg" + argc_str;
+ String real_argc_str = itos(imethod.arguments.size() - 1); // Arguments count without vararg
+
+ cpp_file.push_back("\tVector<Variant> varargs;\n"
+ "\tint vararg_length = mono_array_length(");
+ cpp_file.push_back(vararg_arg);
+ cpp_file.push_back(");\n\tint total_length = ");
+ cpp_file.push_back(real_argc_str);
+ cpp_file.push_back(" + vararg_length;\n\t");
+ cpp_file.push_back(err_fail_macro);
+ cpp_file.push_back("(varargs.resize(vararg_length) != OK");
+ cpp_file.push_back(fail_ret);
+ cpp_file.push_back(");\n\tVector<Variant*> " C_LOCAL_PTRCALL_ARGS ";\n\t");
+ cpp_file.push_back(err_fail_macro);
+ cpp_file.push_back("(call_args.resize(total_length) != OK");
+ cpp_file.push_back(fail_ret);
+ cpp_file.push_back(");\n");
+ cpp_file.push_back(c_in_statements);
+ cpp_file.push_back("\tfor (int i = 0; i < vararg_length; i++) " OPEN_BLOCK
+ "\t\tMonoObject* elem = mono_array_get(");
+ cpp_file.push_back(vararg_arg);
+ cpp_file.push_back(", MonoObject*, i);\n"
+ "\t\tvarargs.set(i, GDMonoMarshal::mono_object_to_variant(elem));\n"
+ "\t\t" C_LOCAL_PTRCALL_ARGS ".set(");
+ cpp_file.push_back(real_argc_str);
+ cpp_file.push_back(" + i, &varargs[i]);\n\t" CLOSE_BLOCK);
+ } else {
+ cpp_file.push_back(c_in_statements);
+ cpp_file.push_back("\tconst void* " C_LOCAL_PTRCALL_ARGS "[");
+ cpp_file.push_back(argc_str + "] = { ");
+ cpp_file.push_back(c_args_var_content + " };\n");
+ }
+ }
+
+ if (imethod.is_vararg) {
+ cpp_file.push_back("\tVariant::CallError vcall_error;\n\t");
+
+ if (!ret_void)
+ cpp_file.push_back(LOCAL_RET " = ");
+
+ cpp_file.push_back(CS_PARAM_METHODBIND "->call(" CS_PARAM_INSTANCE ", ");
+ cpp_file.push_back(imethod.arguments.size() ? "(const Variant**)" C_LOCAL_PTRCALL_ARGS ".ptr()" : "NULL");
+ cpp_file.push_back(", total_length, vcall_error);\n");
+ } else {
+ cpp_file.push_back("\t" CS_PARAM_METHODBIND "->ptrcall(" CS_PARAM_INSTANCE ", ");
+ cpp_file.push_back(imethod.arguments.size() ? C_LOCAL_PTRCALL_ARGS ", " : "NULL, ");
+ cpp_file.push_back(!ret_void ? "&" LOCAL_RET ");\n" : "NULL);\n");
+ }
+
+ if (!ret_void) {
+ if (return_type->c_out.empty())
+ cpp_file.push_back("\treturn " LOCAL_RET ";\n");
+ else
+ cpp_file.push_back(sformat(return_type->c_out, return_type->c_type_out, LOCAL_RET, return_type->name));
+ }
+
+ cpp_file.push_back(CLOSE_BLOCK "\n");
+
+ if (im_icall->editor_only)
+ cpp_file.push_back("#endif // TOOLS_ENABLED\n");
+ }
+ }
+
+ if (itype.is_singleton) {
+ String singleton_icall_name = ICALL_PREFIX + itype.name + SINGLETON_ICALL_SUFFIX;
+ InternalCall singleton_icall = InternalCall(itype.api_type, singleton_icall_name, "IntPtr");
+
+ if (!find_icall_by_name(singleton_icall.name, custom_icalls))
+ custom_icalls.push_back(singleton_icall);
+
+ cpp_file.push_back("Object* ");
+ cpp_file.push_back(singleton_icall_name);
+ cpp_file.push_back("() " OPEN_BLOCK "\treturn ProjectSettings::get_singleton()->get_singleton_object(\"");
+ cpp_file.push_back(itype.proxy_name);
+ cpp_file.push_back("\");\n" CLOSE_BLOCK "\n");
+ }
+
+ if (itype.is_instantiable) {
+ InternalCall ctor_icall = InternalCall(itype.api_type, ctor_method, "IntPtr", itype.proxy_name + " obj");
+
+ if (!find_icall_by_name(ctor_icall.name, custom_icalls))
+ custom_icalls.push_back(ctor_icall);
+
+ cpp_file.push_back("Object* ");
+ cpp_file.push_back(ctor_method);
+ cpp_file.push_back("(MonoObject* obj) " OPEN_BLOCK
+ "\t" C_MACRO_OBJECT_CONSTRUCT "(instance, \"");
+ cpp_file.push_back(itype.name);
+ cpp_file.push_back("\");\n"
+ "\t" C_METHOD_TIE_MANAGED_TO_UNMANAGED "(obj, instance);\n"
+ "\treturn instance;\n" CLOSE_BLOCK "\n");
+ }
+ }
+
+ cpp_file.push_back("namespace GodotSharpBindings\n" OPEN_BLOCK);
+ cpp_file.push_back("uint64_t get_core_api_hash() { return ");
+ cpp_file.push_back(itos(GDMono::get_singleton()->get_api_core_hash()) + "; }\n");
+ cpp_file.push_back("#ifdef TOOLS_ENABLED\n"
+ "uint64_t get_editor_api_hash() { return ");
+ cpp_file.push_back(itos(GDMono::get_singleton()->get_api_editor_hash()) +
+ "; }\n#endif // TOOLS_ENABLED\n");
+ cpp_file.push_back("void register_generated_icalls() " OPEN_BLOCK);
+
+#define ADD_INTERNAL_CALL_REGISTRATION(m_icall) \
+ { \
+ cpp_file.push_back("\tmono_add_internal_call("); \
+ cpp_file.push_back("\"" BINDINGS_NAMESPACE "."); \
+ cpp_file.push_back(m_icall.editor_only ? CS_CLASS_NATIVECALLS_EDITOR : CS_CLASS_NATIVECALLS); \
+ cpp_file.push_back("::"); \
+ cpp_file.push_back(m_icall.name); \
+ cpp_file.push_back("\", (void*)"); \
+ cpp_file.push_back(m_icall.name); \
+ cpp_file.push_back(");\n"); \
+ }
+
+ bool tools_sequence = false;
+ for (const List<InternalCall>::Element *E = core_custom_icalls.front(); E; E = E->next()) {
+
+ if (tools_sequence) {
+ if (!E->get().editor_only) {
+ tools_sequence = false;
+ cpp_file.push_back("#endif\n");
+ }
+ } else {
+ if (E->get().editor_only) {
+ cpp_file.push_back("#ifdef TOOLS_ENABLED\n");
+ tools_sequence = true;
+ }
+ }
+
+ ADD_INTERNAL_CALL_REGISTRATION(E->get());
+ }
+
+ if (tools_sequence) {
+ tools_sequence = false;
+ cpp_file.push_back("#endif\n");
+ }
+
+ cpp_file.push_back("#ifdef TOOLS_ENABLED\n");
+ for (const List<InternalCall>::Element *E = editor_custom_icalls.front(); E; E = E->next())
+ ADD_INTERNAL_CALL_REGISTRATION(E->get());
+ cpp_file.push_back("#endif // TOOLS_ENABLED\n");
+
+ for (const List<InternalCall>::Element *E = method_icalls.front(); E; E = E->next()) {
+
+ if (tools_sequence) {
+ if (!E->get().editor_only) {
+ tools_sequence = false;
+ cpp_file.push_back("#endif\n");
+ }
+ } else {
+ if (E->get().editor_only) {
+ cpp_file.push_back("#ifdef TOOLS_ENABLED\n");
+ tools_sequence = true;
+ }
+ }
+
+ ADD_INTERNAL_CALL_REGISTRATION(E->get());
+ }
+
+ if (tools_sequence) {
+ tools_sequence = false;
+ cpp_file.push_back("#endif\n");
+ }
+
+#undef ADD_INTERNAL_CALL_REGISTRATION
+
+ cpp_file.push_back(CLOSE_BLOCK "}\n");
+
+ return _save_file(path_join(p_output_dir, "mono_glue.gen.cpp"), cpp_file);
+}
+
+Error BindingsGenerator::_save_file(const String &p_path, const List<String> &p_content) {
+
+ FileAccessRef file = FileAccess::open(p_path, FileAccess::WRITE);
+
+ ERR_FAIL_COND_V(!file, ERR_FILE_CANT_WRITE);
+
+ for (const List<String>::Element *E = p_content.front(); E; E = E->next()) {
+ file->store_string(E->get());
+ }
+
+ file->close();
+
+ return OK;
+}
+
+const BindingsGenerator::TypeInterface *BindingsGenerator::_get_type_by_name_or_null(const String &p_name) {
+
+ const Map<String, TypeInterface>::Element *match = builtin_types.find(p_name);
+
+ if (match)
+ return &match->get();
+
+ match = obj_types.find(p_name);
+
+ if (match)
+ return &match->get();
+
+ return NULL;
+}
+
+const BindingsGenerator::TypeInterface *BindingsGenerator::_get_type_by_name_or_placeholder(const String &p_name) {
+
+ const TypeInterface *found = _get_type_by_name_or_null(p_name);
+
+ if (found)
+ return found;
+
+ ERR_PRINTS(String() + "Type not found. Creating placeholder: " + p_name);
+
+ const Map<String, TypeInterface>::Element *match = placeholder_types.find(p_name);
+
+ if (match)
+ return &match->get();
+
+ TypeInterface placeholder;
+ TypeInterface::create_placeholder_type(placeholder, p_name);
+
+ return &placeholder_types.insert(placeholder.name, placeholder)->get();
+}
+
+void BindingsGenerator::_populate_object_type_interfaces() {
+
+ obj_types.clear();
+
+ List<StringName> class_list;
+ ClassDB::get_class_list(&class_list);
+ class_list.sort_custom<StringName::AlphCompare>();
+
+ StringName refclass_name = String("Reference");
+
+ while (class_list.size()) {
+ StringName type_cname = class_list.front()->get();
+
+ ClassDB::APIType api_type = ClassDB::get_api_type(type_cname);
+
+ if (api_type == ClassDB::API_NONE) {
+ class_list.pop_front();
+ continue;
+ }
+
+ TypeInterface itype = TypeInterface::create_object_type(type_cname, api_type);
+
+ itype.base_name = ClassDB::get_parent_class(type_cname);
+ itype.is_singleton = ProjectSettings::get_singleton()->has_singleton(itype.proxy_name);
+ itype.is_instantiable = ClassDB::can_instance(type_cname) && !itype.is_singleton;
+ itype.is_reference = ClassDB::is_parent_class(type_cname, refclass_name);
+ itype.memory_own = itype.is_reference;
+
+ itype.c_out = "\treturn ";
+ itype.c_out += C_METHOD_UNMANAGED_GET_MANAGED;
+ itype.c_out += itype.is_reference ? "(%1.ptr());\n" : "(%1);\n";
+
+ itype.cs_in = itype.is_singleton ? BINDINGS_PTR_FIELD : "Object." CS_SMETHOD_GETINSTANCE "(%0)";
+
+ itype.c_type = "Object*";
+ itype.c_type_in = itype.c_type;
+ itype.c_type_out = "MonoObject*";
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = "IntPtr";
+ itype.im_type_out = itype.proxy_name;
+
+ List<MethodInfo> virtual_method_list;
+ ClassDB::get_virtual_methods(type_cname, &virtual_method_list, true);
+
+ List<MethodInfo> method_list;
+ ClassDB::get_method_list(type_cname, &method_list, true);
+ method_list.sort();
+
+ for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
+ const MethodInfo &method_info = E->get();
+
+ int argc = method_info.arguments.size();
+
+ if (method_info.name.empty())
+ continue;
+
+ MethodInterface imethod;
+ imethod.name = method_info.name;
+
+ if (method_info.flags & METHOD_FLAG_VIRTUAL)
+ imethod.is_virtual = true;
+
+ PropertyInfo return_info = method_info.return_val;
+
+ MethodBind *m = imethod.is_virtual ? NULL : ClassDB::get_method(type_cname, method_info.name);
+
+ imethod.is_vararg = m && m->is_vararg();
+
+ if (!m && !imethod.is_virtual) {
+ if (virtual_method_list.find(method_info)) {
+ // A virtual method without the virtual flag. This is a special case.
+
+ // This type of method can only be found in Object derived types.
+ ERR_FAIL_COND(!itype.is_object_type);
+
+ // There is no method bind, so let's fallback to Godot's object.Call(string, params)
+ imethod.requires_object_call = true;
+
+ // The method Object.free is registered as a virtual method, but without the virtual flag.
+ // This is because this method is not supposed to be overridden, but called.
+ // We assume the return type is void.
+ imethod.return_type = "void";
+
+ // Actually, more methods like this may be added in the future,
+ // which could actually will return something differnet.
+ // Let's put this to notify us if that ever happens.
+ if (itype.name != "Object" || imethod.name != "free") {
+ WARN_PRINTS("Notification: New unexpected virtual non-overridable method found.\n"
+ "We only expected Object.free, but found " +
+ itype.name + "." + imethod.name);
+ }
+ } else {
+ ERR_PRINTS("Missing MethodBind for non-virtual method: " + itype.name + "." + imethod.name);
+ }
+ } else if (return_info.type == Variant::INT && return_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
+ //imethod.return_type = return_info.class_name;
+ imethod.return_type = "int";
+ } else if (return_info.class_name != StringName()) {
+ imethod.return_type = return_info.class_name;
+ } else if (return_info.hint == PROPERTY_HINT_RESOURCE_TYPE) {
+ imethod.return_type = return_info.hint_string;
+ } else if (return_info.type == Variant::NIL && return_info.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
+ imethod.return_type = "Variant";
+ } else if (return_info.type == Variant::NIL) {
+ imethod.return_type = "void";
+ } else {
+ imethod.return_type = Variant::get_type_name(return_info.type);
+ }
+
+ if (!itype.requires_collections && imethod.return_type == "Dictionary")
+ itype.requires_collections = true;
+
+ for (int i = 0; i < argc; i++) {
+ PropertyInfo arginfo = method_info.arguments[i];
+
+ ArgumentInterface iarg;
+ iarg.name = arginfo.name;
+
+ if (arginfo.type == Variant::INT && arginfo.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
+ //iarg.type = arginfo.class_name;
+ iarg.type = "int";
+ } else if (arginfo.class_name != StringName()) {
+ iarg.type = arginfo.class_name;
+ } else if (arginfo.hint == PROPERTY_HINT_RESOURCE_TYPE) {
+ iarg.type = arginfo.hint_string;
+ } else if (arginfo.type == Variant::NIL) {
+ iarg.type = "Variant";
+ } else {
+ iarg.type = Variant::get_type_name(arginfo.type);
+ }
+
+ iarg.name = escape_csharp_keyword(snake_to_camel_case(iarg.name));
+
+ if (!itype.requires_collections && iarg.type == "Dictionary")
+ itype.requires_collections = true;
+
+ if (m && m->has_default_argument(i)) {
+ _default_argument_from_variant(m->get_default_argument(i), iarg);
+ }
+
+ imethod.add_argument(iarg);
+ }
+
+ if (imethod.is_vararg) {
+ ArgumentInterface ivararg;
+ ivararg.type = "VarArg";
+ ivararg.name = "@args";
+ imethod.add_argument(ivararg);
+ }
+
+ imethod.proxy_name = escape_csharp_keyword(snake_to_pascal_case(imethod.name));
+
+ // Prevent naming the property and its enclosing type from sharing the same name
+ if (imethod.proxy_name == itype.proxy_name) {
+ if (verbose_output) {
+ WARN_PRINTS("Name of method `" + imethod.proxy_name + "` is ambiguous with the name of its class `" +
+ itype.proxy_name + "`. Renaming method to `" + imethod.proxy_name + "_`");
+ }
+
+ imethod.proxy_name += "_";
+ }
+
+ if (itype.class_doc) {
+ for (int i = 0; i < itype.class_doc->methods.size(); i++) {
+ if (itype.class_doc->methods[i].name == imethod.name) {
+ imethod.method_doc = &itype.class_doc->methods[i];
+ break;
+ }
+ }
+ }
+
+ if (!imethod.is_virtual && imethod.name[0] == '_') {
+ const Vector<DocData::PropertyDoc> &properties = itype.class_doc->properties;
+
+ for (int i = 0; i < properties.size(); i++) {
+ const DocData::PropertyDoc &prop_doc = properties[i];
+
+ if (prop_doc.getter == imethod.name || prop_doc.setter == imethod.name) {
+ imethod.is_internal = true;
+ itype.methods.push_back(imethod);
+ break;
+ }
+ }
+ } else {
+ itype.methods.push_back(imethod);
+ }
+ }
+
+ obj_types.insert(itype.name, itype);
+
+ class_list.pop_front();
+ }
+}
+
+void BindingsGenerator::_default_argument_from_variant(const Variant &p_val, ArgumentInterface &r_iarg) {
+
+ r_iarg.default_argument = p_val;
+
+ switch (p_val.get_type()) {
+ case Variant::NIL:
+ if (ClassDB::class_exists(r_iarg.type)) {
+ // Object type
+ r_iarg.default_argument = "null";
+ } else {
+ // Variant
+ r_iarg.default_argument = "null";
+ }
+ break;
+ // Atomic types
+ case Variant::BOOL:
+ r_iarg.default_argument = bool(p_val) ? "true" : "false";
+ break;
+ case Variant::INT:
+ break; // Keep it
+ case Variant::REAL:
+#ifndef REAL_T_IS_DOUBLE
+ r_iarg.default_argument += "f";
+#endif
+ break;
+ case Variant::STRING:
+ case Variant::NODE_PATH:
+ r_iarg.default_argument = "\"" + r_iarg.default_argument + "\"";
+ break;
+ case Variant::TRANSFORM:
+ if (p_val.operator Transform() == Transform())
+ r_iarg.default_argument.clear();
+ r_iarg.default_argument = "new %s(" + r_iarg.default_argument + ")";
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_VAL;
+ break;
+ case Variant::PLANE:
+ case Variant::RECT3:
+ case Variant::COLOR:
+ r_iarg.default_argument = "new Color(1, 1, 1, 1)";
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_VAL;
+ break;
+ case Variant::VECTOR2:
+ case Variant::RECT2:
+ case Variant::VECTOR3:
+ r_iarg.default_argument = "new %s" + r_iarg.default_argument;
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_VAL;
+ break;
+ case Variant::OBJECT:
+ if (p_val.is_zero()) {
+ r_iarg.default_argument = "null";
+ break;
+ }
+ case Variant::DICTIONARY:
+ case Variant::_RID:
+ r_iarg.default_argument = "new %s()";
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_REF;
+ break;
+ case Variant::ARRAY:
+ case Variant::POOL_BYTE_ARRAY:
+ case Variant::POOL_INT_ARRAY:
+ case Variant::POOL_REAL_ARRAY:
+ case Variant::POOL_STRING_ARRAY:
+ case Variant::POOL_VECTOR2_ARRAY:
+ case Variant::POOL_VECTOR3_ARRAY:
+ case Variant::POOL_COLOR_ARRAY:
+ r_iarg.default_argument = "new %s {}";
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_REF;
+ break;
+ case Variant::TRANSFORM2D:
+ case Variant::BASIS:
+ case Variant::QUAT:
+ r_iarg.default_argument = Variant::get_type_name(p_val.get_type()) + ".Identity";
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_VAL;
+ break;
+ default: {}
+ }
+
+ if (r_iarg.def_param_mode == ArgumentInterface::CONSTANT && r_iarg.type == "Variant" && r_iarg.default_argument != "null")
+ r_iarg.def_param_mode = ArgumentInterface::NULLABLE_REF;
+}
+
+void BindingsGenerator::_populate_builtin_type_interfaces() {
+
+ builtin_types.clear();
+
+ TypeInterface itype;
+
+#define INSERT_STRUCT_TYPE(m_type, m_type_in) \
+ { \
+ itype = TypeInterface::create_value_type(#m_type); \
+ itype.c_in = "\tMARSHALLED_IN(" #m_type ", %1, %1_in);\n"; \
+ itype.c_out = "\tMARSHALLED_OUT(" #m_type ", %1, ret_out)\n" \
+ "\treturn mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(%2), ret_out);\n"; \
+ itype.c_arg_in = "&%s_in"; \
+ itype.c_type_in = m_type_in; \
+ itype.cs_in = "ref %s"; \
+ itype.cs_out = "return (" #m_type ")%0;"; \
+ itype.im_type_out = "object"; \
+ builtin_types.insert(#m_type, itype); \
+ }
+
+ INSERT_STRUCT_TYPE(Vector2, "real_t*")
+ INSERT_STRUCT_TYPE(Rect2, "real_t*")
+ INSERT_STRUCT_TYPE(Transform2D, "real_t*")
+ INSERT_STRUCT_TYPE(Vector3, "real_t*")
+ INSERT_STRUCT_TYPE(Basis, "real_t*")
+ INSERT_STRUCT_TYPE(Quat, "real_t*")
+ INSERT_STRUCT_TYPE(Transform, "real_t*")
+ INSERT_STRUCT_TYPE(Rect3, "real_t*")
+ INSERT_STRUCT_TYPE(Color, "real_t*")
+ INSERT_STRUCT_TYPE(Plane, "real_t*")
+
+#undef INSERT_STRUCT_TYPE
+
+#define INSERT_PRIMITIVE_TYPE(m_type) \
+ { \
+ itype = TypeInterface::create_value_type(#m_type); \
+ itype.c_arg_in = "&%s"; \
+ itype.c_type_in = #m_type; \
+ itype.c_type_out = #m_type; \
+ itype.im_type_in = #m_type; \
+ itype.im_type_out = #m_type; \
+ builtin_types.insert(#m_type, itype); \
+ }
+
+ INSERT_PRIMITIVE_TYPE(bool)
+ //INSERT_PRIMITIVE_TYPE(int)
+
+ // int
+ itype = TypeInterface::create_value_type("int");
+ itype.c_arg_in = "&%s_in";
+ //* ptrcall only supports int64_t and uint64_t
+ itype.c_in = "\t%0 %1_in = (%0)%1;\n";
+ itype.c_out = "\treturn (%0)%1;\n";
+ itype.c_type = "int64_t";
+ //*/
+ itype.c_type_in = itype.name;
+ itype.c_type_out = itype.name;
+ itype.im_type_in = itype.name;
+ itype.im_type_out = itype.name;
+ builtin_types.insert(itype.name, itype);
+
+#undef INSERT_PRIMITIVE_TYPE
+
+ // real_t
+ itype = TypeInterface();
+#ifdef REAL_T_IS_DOUBLE
+ itype.name = "double";
+#else
+ itype.name = "float";
+#endif
+ itype.proxy_name = itype.name;
+ itype.c_arg_in = "&%s_in";
+ //* ptrcall only supports double
+ itype.c_in = "\t%0 %1_in = (%0)%1;\n";
+ itype.c_out = "\treturn (%0)%1;\n";
+ itype.c_type = "double";
+ //*/
+ itype.c_type_in = "real_t";
+ itype.c_type_out = "real_t";
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = itype.proxy_name;
+ itype.im_type_out = itype.proxy_name;
+ builtin_types.insert(itype.name, itype);
+
+ // String
+ itype = TypeInterface();
+ itype.name = "String";
+ itype.proxy_name = "string";
+ itype.c_in = "\t%0 %1_in = " C_METHOD_MONOSTR_TO_GODOT "(%1);\n";
+ itype.c_out = "\treturn " C_METHOD_MONOSTR_FROM_GODOT "(%1);\n";
+ itype.c_arg_in = "&%s_in";
+ itype.c_type = itype.name;
+ itype.c_type_in = "MonoString*";
+ itype.c_type_out = "MonoString*";
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = itype.proxy_name;
+ itype.im_type_out = itype.proxy_name;
+ builtin_types.insert(itype.name, itype);
+
+ // NodePath
+ itype = TypeInterface();
+ itype.name = "NodePath";
+ itype.proxy_name = "NodePath";
+ itype.c_out = "\treturn memnew(NodePath(%1));\n";
+ itype.c_type = itype.name;
+ itype.c_type_in = itype.c_type + "*";
+ itype.c_type_out = itype.c_type + "*";
+ itype.cs_type = itype.proxy_name;
+ itype.cs_in = "NodePath." CS_SMETHOD_GETINSTANCE "(%0)";
+ itype.cs_out = "return new NodePath(%0);";
+ itype.im_type_in = "IntPtr";
+ itype.im_type_out = "IntPtr";
+ _populate_builtin_type(itype, Variant::NODE_PATH);
+ extra_members.insert(itype.name, MEMBER_BEGIN "public NodePath() : this(string.Empty) {}\n" MEMBER_BEGIN "public NodePath(string path)\n" OPEN_BLOCK_L2
+ "this." BINDINGS_PTR_FIELD " = NativeCalls.godot_icall_NodePath_Ctor(path);\n" CLOSE_BLOCK_L2
+ MEMBER_BEGIN "public static implicit operator NodePath(string from)\n" OPEN_BLOCK_L2 "return new NodePath(from);\n" CLOSE_BLOCK_L2
+ MEMBER_BEGIN "public static implicit operator string(NodePath from)\n" OPEN_BLOCK_L2
+ "return NativeCalls." ICALL_PREFIX "NodePath_operator_String(NodePath." CS_SMETHOD_GETINSTANCE "(from));\n" CLOSE_BLOCK_L2);
+ builtin_types.insert(itype.name, itype);
+
+ // RID
+ itype = TypeInterface();
+ itype.name = "RID";
+ itype.proxy_name = "RID";
+ itype.c_out = "\treturn memnew(RID(%1));\n";
+ itype.c_type = itype.name;
+ itype.c_type_in = itype.c_type + "*";
+ itype.c_type_out = itype.c_type + "*";
+ itype.cs_type = itype.proxy_name;
+ itype.cs_in = "RID." CS_SMETHOD_GETINSTANCE "(%0)";
+ itype.cs_out = "return new RID(%0);";
+ itype.im_type_in = "IntPtr";
+ itype.im_type_out = "IntPtr";
+ _populate_builtin_type(itype, Variant::_RID);
+ extra_members.insert(itype.name, MEMBER_BEGIN "internal RID()\n" OPEN_BLOCK_L2
+ "this." BINDINGS_PTR_FIELD " = IntPtr.Zero;\n" CLOSE_BLOCK_L2);
+ builtin_types.insert(itype.name, itype);
+
+ // Variant
+ itype = TypeInterface();
+ itype.name = "Variant";
+ itype.proxy_name = "object";
+ itype.c_in = "\t%0 %1_in = " C_METHOD_MANAGED_TO_VARIANT "(%1);\n";
+ itype.c_out = "\treturn " C_METHOD_MANAGED_FROM_VARIANT "(%1);\n";
+ itype.c_arg_in = "&%s_in";
+ itype.c_type = itype.name;
+ itype.c_type_in = "MonoObject*";
+ itype.c_type_out = "MonoObject*";
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = "object";
+ itype.im_type_out = itype.proxy_name;
+ builtin_types.insert(itype.name, itype);
+
+ // VarArg (fictitious type to represent variable arguments)
+ itype = TypeInterface();
+ itype.name = "VarArg";
+ itype.proxy_name = "object[]";
+ itype.c_in = "\t%0 %1_in = " C_METHOD_MONOARRAY_TO(Array) "(%1);\n";
+ itype.c_arg_in = "&%s_in";
+ itype.c_type = "Array";
+ itype.c_type_in = "MonoArray*";
+ itype.cs_type = "params object[]";
+ itype.im_type_in = "object[]";
+ builtin_types.insert(itype.name, itype);
+
+#define INSERT_ARRAY_FULL(m_name, m_type, m_proxy_t) \
+ { \
+ itype = TypeInterface(); \
+ itype.name = #m_name; \
+ itype.proxy_name = #m_proxy_t "[]"; \
+ itype.c_in = "\t%0 %1_in = " C_METHOD_MONOARRAY_TO(m_type) "(%1);\n"; \
+ itype.c_out = "\treturn " C_METHOD_MONOARRAY_FROM(m_type) "(%1);\n"; \
+ itype.c_arg_in = "&%s_in"; \
+ itype.c_type = #m_type; \
+ itype.c_type_in = "MonoArray*"; \
+ itype.c_type_out = "MonoArray*"; \
+ itype.cs_type = itype.proxy_name; \
+ itype.im_type_in = itype.proxy_name; \
+ itype.im_type_out = itype.proxy_name; \
+ builtin_types.insert(itype.name, itype); \
+ }
+
+#define INSERT_ARRAY(m_type, m_proxy_t) INSERT_ARRAY_FULL(m_type, m_type, m_proxy_t)
+
+ INSERT_ARRAY(Array, object);
+ INSERT_ARRAY(PoolIntArray, int);
+ INSERT_ARRAY_FULL(PoolByteArray, PoolByteArray, byte);
+
+#ifdef REAL_T_IS_DOUBLE
+ INSERT_ARRAY(PoolRealArray, double);
+#else
+ INSERT_ARRAY(PoolRealArray, float);
+#endif
+
+ INSERT_ARRAY(PoolStringArray, string);
+
+ INSERT_ARRAY(PoolColorArray, Color);
+ INSERT_ARRAY(PoolVector2Array, Vector2);
+ INSERT_ARRAY(PoolVector3Array, Vector3);
+
+#undef INSERT_ARRAY
+
+ // Dictionary
+ itype = TypeInterface();
+ itype.name = "Dictionary";
+ itype.proxy_name = "Dictionary<object, object>";
+ itype.c_in = "\t%0 %1_in = " C_METHOD_MANAGED_TO_DICT "(%1);\n";
+ itype.c_out = "\treturn " C_METHOD_MANAGED_FROM_DICT "(%1);\n";
+ itype.c_arg_in = "&%s_in";
+ itype.c_type = itype.name;
+ itype.c_type_in = "MonoObject*";
+ itype.c_type_out = "MonoObject*";
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = itype.proxy_name;
+ itype.im_type_out = itype.proxy_name;
+ builtin_types.insert(itype.name, itype);
+
+ // void (fictitious type to represent the return type of methods that do not return anything)
+ itype = TypeInterface();
+ itype.name = "void";
+ itype.proxy_name = itype.name;
+ itype.c_type = itype.name;
+ itype.c_type_in = itype.c_type;
+ itype.c_type_out = itype.c_type;
+ itype.cs_type = itype.proxy_name;
+ itype.im_type_in = itype.proxy_name;
+ itype.im_type_out = itype.proxy_name;
+ builtin_types.insert(itype.name, itype);
+
+ // Error
+ itype = TypeInterface();
+ itype.name = "Error";
+ itype.proxy_name = "Error";
+ itype.c_type = itype.name;
+ itype.c_type_in = itype.c_type;
+ itype.c_type_out = itype.c_type;
+ itype.cs_type = itype.proxy_name;
+ itype.cs_in = "(int)%0";
+ itype.cs_out = "return (Error)%s;";
+ itype.im_type_in = "int";
+ itype.im_type_out = "int";
+ builtin_types.insert(itype.name, itype);
+}
+
+void BindingsGenerator::_populate_builtin_type(TypeInterface &r_itype, Variant::Type vtype) {
+
+ Variant::CallError cerror;
+ Variant v = Variant::construct(vtype, NULL, 0, cerror);
+
+ List<MethodInfo> method_list;
+ v.get_method_list(&method_list);
+ method_list.sort();
+
+ for (List<MethodInfo>::Element *E = method_list.front(); E; E = E->next()) {
+ MethodInfo &mi = E->get();
+ MethodInterface imethod;
+
+ imethod.name = mi.name;
+ imethod.proxy_name = mi.name;
+
+ for (int i = 0; i < mi.arguments.size(); i++) {
+ ArgumentInterface iarg;
+ PropertyInfo pi = mi.arguments[i];
+
+ iarg.name = pi.name;
+
+ if (pi.type == Variant::NIL)
+ iarg.type = "Variant";
+ else
+ iarg.type = Variant::get_type_name(pi.type);
+
+ if (!r_itype.requires_collections && iarg.type == "Dictionary")
+ r_itype.requires_collections = true;
+
+ if ((mi.default_arguments.size() - mi.arguments.size() + i) >= 0)
+ _default_argument_from_variant(Variant::construct(pi.type, NULL, 0, cerror), iarg);
+
+ imethod.add_argument(iarg);
+ }
+
+ if (mi.return_val.type == Variant::NIL) {
+ if (mi.return_val.name != "")
+ imethod.return_type = "Variant";
+ } else {
+ imethod.return_type = Variant::get_type_name(mi.return_val.type);
+ }
+
+ if (!r_itype.requires_collections && imethod.return_type == "Dictionary")
+ r_itype.requires_collections = true;
+
+ if (r_itype.class_doc) {
+ for (int i = 0; i < r_itype.class_doc->methods.size(); i++) {
+ if (r_itype.class_doc->methods[i].name == imethod.name) {
+ imethod.method_doc = &r_itype.class_doc->methods[i];
+ break;
+ }
+ }
+ }
+
+ r_itype.methods.push_back(imethod);
+ }
+}
+
+BindingsGenerator::BindingsGenerator() {
+
+ EditorHelp::generate_doc();
+
+ _populate_object_type_interfaces();
+ _populate_builtin_type_interfaces();
+ _generate_header_icalls();
+
+ for (Map<String, TypeInterface>::Element *E = obj_types.front(); E; E = E->next())
+ _generate_method_icalls(E->get());
+
+ _generate_method_icalls(builtin_types["NodePath"]);
+ _generate_method_icalls(builtin_types["RID"]);
+}
+
+void BindingsGenerator::handle_cmdline_args(const List<String> &p_cmdline_args) {
+
+ int options_count = 3;
+
+ String mono_glue_option = "--generate-mono-glue";
+ String cs_core_api_option = "--generate-cs-core-api";
+ String cs_editor_api_option = "--generate-cs-editor-api";
+
+ verbose_output = true;
+
+ const List<String>::Element *elem = p_cmdline_args.front();
+
+ while (elem && options_count) {
+
+ if (elem->get() == mono_glue_option) {
+
+ const List<String>::Element *path_elem = elem->next();
+
+ if (path_elem) {
+ get_singleton().generate_glue(path_elem->get());
+ elem = elem->next();
+ } else {
+ ERR_PRINTS("--generate-mono-glue: No output directory specified");
+ }
+
+ --options_count;
+
+ } else if (elem->get() == cs_core_api_option) {
+
+ const List<String>::Element *path_elem = elem->next();
+
+ if (path_elem) {
+ get_singleton().generate_cs_core_project(path_elem->get());
+ elem = elem->next();
+ } else {
+ ERR_PRINTS(cs_core_api_option + ": No output directory specified");
+ }
+
+ --options_count;
+
+ } else if (elem->get() == cs_editor_api_option) {
+
+ const List<String>::Element *path_elem = elem->next();
+
+ if (path_elem) {
+ if (path_elem->next()) {
+ get_singleton().generate_cs_editor_project(path_elem->get(), path_elem->next()->get());
+ elem = path_elem->next();
+ } else {
+ ERR_PRINTS(cs_editor_api_option + ": No hint path for the Core API dll specified");
+ }
+ } else {
+ ERR_PRINTS(cs_editor_api_option + ": No output directory specified");
+ }
+
+ --options_count;
+ }
+
+ elem = elem->next();
+ }
+
+ verbose_output = false;
+}
+
+#endif