454 lines
15 KiB
C++
454 lines
15 KiB
C++
/**************************************************************************/
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/* gdscript_docgen.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "gdscript_docgen.h"
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#include "../gdscript.h"
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String GDScriptDocGen::_get_script_path(const String &p_path) {
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return p_path.trim_prefix("res://").quote();
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}
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String GDScriptDocGen::_get_class_name(const GDP::ClassNode &p_class) {
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const GDP::ClassNode *curr_class = &p_class;
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if (!curr_class->identifier) { // All inner classes have an identifier, so this is the outer class.
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return _get_script_path(curr_class->fqcn);
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}
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String full_name = curr_class->identifier->name;
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while (curr_class->outer) {
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curr_class = curr_class->outer;
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if (!curr_class->identifier) { // All inner classes have an identifier, so this is the outer class.
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return vformat("%s.%s", _get_script_path(curr_class->fqcn), full_name);
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}
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full_name = vformat("%s.%s", curr_class->identifier->name, full_name);
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}
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return full_name;
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}
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void GDScriptDocGen::_doctype_from_gdtype(const GDType &p_gdtype, String &r_type, String &r_enum, bool p_is_return) {
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if (!p_gdtype.is_hard_type()) {
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r_type = "Variant";
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return;
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}
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switch (p_gdtype.kind) {
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case GDType::BUILTIN:
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if (p_gdtype.builtin_type == Variant::NIL) {
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r_type = p_is_return ? "void" : "null";
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return;
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}
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if (p_gdtype.builtin_type == Variant::ARRAY && p_gdtype.has_container_element_type(0)) {
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_doctype_from_gdtype(p_gdtype.get_container_element_type(0), r_type, r_enum);
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if (!r_enum.is_empty()) {
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r_type = "int[]";
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r_enum += "[]";
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return;
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}
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if (!r_type.is_empty() && r_type != "Variant") {
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r_type += "[]";
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return;
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}
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}
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r_type = Variant::get_type_name(p_gdtype.builtin_type);
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return;
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case GDType::NATIVE:
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if (p_gdtype.is_meta_type) {
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//r_type = GDScriptNativeClass::get_class_static();
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r_type = "Object"; // "GDScriptNativeClass" refers to a blank page.
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return;
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}
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r_type = p_gdtype.native_type;
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return;
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case GDType::SCRIPT:
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if (p_gdtype.is_meta_type) {
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r_type = p_gdtype.script_type.is_valid() ? p_gdtype.script_type->get_class() : Script::get_class_static();
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return;
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}
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if (p_gdtype.script_type.is_valid()) {
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if (p_gdtype.script_type->get_global_name() != StringName()) {
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r_type = p_gdtype.script_type->get_global_name();
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return;
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}
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if (!p_gdtype.script_type->get_path().is_empty()) {
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r_type = _get_script_path(p_gdtype.script_type->get_path());
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return;
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}
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}
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if (!p_gdtype.script_path.is_empty()) {
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r_type = _get_script_path(p_gdtype.script_path);
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return;
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}
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r_type = "Object";
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return;
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case GDType::CLASS:
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if (p_gdtype.is_meta_type) {
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r_type = GDScript::get_class_static();
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return;
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}
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r_type = _get_class_name(*p_gdtype.class_type);
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return;
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case GDType::ENUM:
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if (p_gdtype.is_meta_type) {
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r_type = "Dictionary";
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return;
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}
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r_type = "int";
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r_enum = String(p_gdtype.native_type).replace("::", ".");
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if (r_enum.begins_with("res://")) {
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r_enum = r_enum.trim_prefix("res://");
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int dot_pos = r_enum.rfind(".");
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if (dot_pos >= 0) {
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r_enum = r_enum.left(dot_pos).quote() + r_enum.substr(dot_pos);
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}
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}
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return;
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case GDType::VARIANT:
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case GDType::RESOLVING:
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case GDType::UNRESOLVED:
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r_type = "Variant";
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return;
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}
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}
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String GDScriptDocGen::_docvalue_from_variant(const Variant &p_variant, int p_recursion_level) {
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constexpr int MAX_RECURSION_LEVEL = 2;
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switch (p_variant.get_type()) {
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case Variant::STRING:
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return String(p_variant).c_escape().quote();
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case Variant::OBJECT:
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return "<Object>";
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case Variant::DICTIONARY: {
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const Dictionary dict = p_variant;
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if (dict.is_empty()) {
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return "{}";
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}
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if (p_recursion_level > MAX_RECURSION_LEVEL) {
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return "{...}";
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}
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List<Variant> keys;
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dict.get_key_list(&keys);
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keys.sort();
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String data;
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for (List<Variant>::Element *E = keys.front(); E; E = E->next()) {
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if (E->prev()) {
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data += ", ";
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}
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data += _docvalue_from_variant(E->get(), p_recursion_level + 1) + ": " + _docvalue_from_variant(dict[E->get()], p_recursion_level + 1);
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}
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return "{" + data + "}";
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} break;
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case Variant::ARRAY: {
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const Array array = p_variant;
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String result;
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if (array.get_typed_builtin() != Variant::NIL) {
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result += "Array[";
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Ref<Script> script = array.get_typed_script();
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if (script.is_valid()) {
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if (script->get_global_name() != StringName()) {
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result += script->get_global_name();
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} else if (!script->get_path().get_file().is_empty()) {
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result += script->get_path().get_file();
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} else {
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result += array.get_typed_class_name();
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}
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} else if (array.get_typed_class_name() != StringName()) {
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result += array.get_typed_class_name();
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} else {
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result += Variant::get_type_name((Variant::Type)array.get_typed_builtin());
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}
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result += "](";
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}
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if (array.is_empty()) {
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result += "[]";
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} else if (p_recursion_level > MAX_RECURSION_LEVEL) {
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result += "[...]";
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} else {
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result += "[";
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for (int i = 0; i < array.size(); i++) {
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if (i > 0) {
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result += ", ";
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}
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result += _docvalue_from_variant(array[i], p_recursion_level + 1);
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}
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result += "]";
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}
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if (array.get_typed_builtin() != Variant::NIL) {
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result += ")";
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}
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return result;
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} break;
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default:
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return p_variant.get_construct_string();
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}
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}
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void GDScriptDocGen::generate_docs(GDScript *p_script, const GDP::ClassNode *p_class) {
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p_script->_clear_doc();
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DocData::ClassDoc &doc = p_script->doc;
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doc.script_path = _get_script_path(p_script->get_script_path());
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if (p_script->local_name == StringName()) {
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doc.name = doc.script_path;
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} else {
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doc.name = p_script->local_name;
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}
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if (p_script->_owner) {
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doc.name = p_script->_owner->doc.name + "." + doc.name;
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doc.script_path = doc.script_path + "." + doc.name;
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}
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doc.is_script_doc = true;
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if (p_script->base.is_valid() && p_script->base->is_valid()) {
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if (!p_script->base->doc.name.is_empty()) {
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doc.inherits = p_script->base->doc.name;
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} else {
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doc.inherits = p_script->base->get_instance_base_type();
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}
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} else if (p_script->native.is_valid()) {
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doc.inherits = p_script->native->get_name();
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}
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doc.brief_description = p_class->doc_data.brief;
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doc.description = p_class->doc_data.description;
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for (const Pair<String, String> &p : p_class->doc_data.tutorials) {
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DocData::TutorialDoc td;
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td.title = p.first;
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td.link = p.second;
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doc.tutorials.append(td);
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}
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doc.is_deprecated = p_class->doc_data.is_deprecated;
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doc.is_experimental = p_class->doc_data.is_experimental;
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for (const GDP::ClassNode::Member &member : p_class->members) {
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switch (member.type) {
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case GDP::ClassNode::Member::CLASS: {
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const GDP::ClassNode *inner_class = member.m_class;
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const StringName &class_name = inner_class->identifier->name;
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p_script->member_lines[class_name] = inner_class->start_line;
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// Recursively generate inner class docs.
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// Needs inner GDScripts to exist: previously generated in GDScriptCompiler::make_scripts().
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GDScriptDocGen::generate_docs(*p_script->subclasses[class_name], inner_class);
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} break;
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case GDP::ClassNode::Member::CONSTANT: {
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const GDP::ConstantNode *m_const = member.constant;
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const StringName &const_name = member.constant->identifier->name;
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p_script->member_lines[const_name] = m_const->start_line;
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DocData::ConstantDoc const_doc;
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const_doc.name = const_name;
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const_doc.value = _docvalue_from_variant(m_const->initializer->reduced_value);
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const_doc.is_value_valid = true;
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const_doc.description = m_const->doc_data.description;
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const_doc.is_deprecated = m_const->doc_data.is_deprecated;
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const_doc.is_experimental = m_const->doc_data.is_experimental;
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doc.constants.push_back(const_doc);
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} break;
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case GDP::ClassNode::Member::FUNCTION: {
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const GDP::FunctionNode *m_func = member.function;
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const StringName &func_name = m_func->identifier->name;
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p_script->member_lines[func_name] = m_func->start_line;
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DocData::MethodDoc method_doc;
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method_doc.name = func_name;
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method_doc.description = m_func->doc_data.description;
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method_doc.is_deprecated = m_func->doc_data.is_deprecated;
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method_doc.is_experimental = m_func->doc_data.is_experimental;
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method_doc.qualifiers = m_func->is_static ? "static" : "";
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if (m_func->return_type) {
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// `m_func->return_type->get_datatype()` is a metatype.
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_doctype_from_gdtype(m_func->get_datatype(), method_doc.return_type, method_doc.return_enum, true);
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} else if (!m_func->body->has_return) {
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// If no `return` statement, then return type is `void`, not `Variant`.
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method_doc.return_type = "void";
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} else {
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method_doc.return_type = "Variant";
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}
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for (const GDScriptParser::ParameterNode *p : m_func->parameters) {
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DocData::ArgumentDoc arg_doc;
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arg_doc.name = p->identifier->name;
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_doctype_from_gdtype(p->get_datatype(), arg_doc.type, arg_doc.enumeration);
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if (p->initializer != nullptr) {
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if (p->initializer->is_constant) {
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arg_doc.default_value = _docvalue_from_variant(p->initializer->reduced_value);
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} else {
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arg_doc.default_value = "<unknown>";
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}
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}
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method_doc.arguments.push_back(arg_doc);
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}
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doc.methods.push_back(method_doc);
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} break;
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case GDP::ClassNode::Member::SIGNAL: {
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const GDP::SignalNode *m_signal = member.signal;
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const StringName &signal_name = m_signal->identifier->name;
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p_script->member_lines[signal_name] = m_signal->start_line;
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DocData::MethodDoc signal_doc;
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signal_doc.name = signal_name;
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signal_doc.description = m_signal->doc_data.description;
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signal_doc.is_deprecated = m_signal->doc_data.is_deprecated;
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signal_doc.is_experimental = m_signal->doc_data.is_experimental;
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for (const GDScriptParser::ParameterNode *p : m_signal->parameters) {
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DocData::ArgumentDoc arg_doc;
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arg_doc.name = p->identifier->name;
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_doctype_from_gdtype(p->get_datatype(), arg_doc.type, arg_doc.enumeration);
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signal_doc.arguments.push_back(arg_doc);
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}
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doc.signals.push_back(signal_doc);
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} break;
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case GDP::ClassNode::Member::VARIABLE: {
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const GDP::VariableNode *m_var = member.variable;
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const StringName &var_name = m_var->identifier->name;
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p_script->member_lines[var_name] = m_var->start_line;
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DocData::PropertyDoc prop_doc;
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prop_doc.name = var_name;
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prop_doc.description = m_var->doc_data.description;
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prop_doc.is_deprecated = m_var->doc_data.is_deprecated;
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prop_doc.is_experimental = m_var->doc_data.is_experimental;
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_doctype_from_gdtype(m_var->get_datatype(), prop_doc.type, prop_doc.enumeration);
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switch (m_var->property) {
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case GDP::VariableNode::PROP_NONE:
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break;
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case GDP::VariableNode::PROP_INLINE:
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if (m_var->setter != nullptr) {
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prop_doc.setter = m_var->setter->identifier->name;
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}
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if (m_var->getter != nullptr) {
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prop_doc.getter = m_var->getter->identifier->name;
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}
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break;
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case GDP::VariableNode::PROP_SETGET:
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if (m_var->setter_pointer != nullptr) {
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prop_doc.setter = m_var->setter_pointer->name;
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}
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if (m_var->getter_pointer != nullptr) {
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prop_doc.getter = m_var->getter_pointer->name;
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}
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break;
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}
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if (m_var->initializer) {
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if (m_var->initializer->is_constant) {
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prop_doc.default_value = _docvalue_from_variant(m_var->initializer->reduced_value);
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} else {
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prop_doc.default_value = "<unknown>";
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}
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}
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prop_doc.overridden = false;
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doc.properties.push_back(prop_doc);
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} break;
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case GDP::ClassNode::Member::ENUM: {
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const GDP::EnumNode *m_enum = member.m_enum;
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StringName name = m_enum->identifier->name;
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p_script->member_lines[name] = m_enum->start_line;
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DocData::EnumDoc enum_doc;
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enum_doc.description = m_enum->doc_data.description;
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enum_doc.is_deprecated = m_enum->doc_data.is_deprecated;
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enum_doc.is_experimental = m_enum->doc_data.is_experimental;
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doc.enums[name] = enum_doc;
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for (const GDP::EnumNode::Value &val : m_enum->values) {
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DocData::ConstantDoc const_doc;
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const_doc.name = val.identifier->name;
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const_doc.value = _docvalue_from_variant(val.value);
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const_doc.is_value_valid = true;
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const_doc.enumeration = name;
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const_doc.description = val.doc_data.description;
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const_doc.is_deprecated = val.doc_data.is_deprecated;
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const_doc.is_experimental = val.doc_data.is_experimental;
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doc.constants.push_back(const_doc);
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}
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} break;
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case GDP::ClassNode::Member::ENUM_VALUE: {
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const GDP::EnumNode::Value &m_enum_val = member.enum_value;
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const StringName &name = m_enum_val.identifier->name;
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p_script->member_lines[name] = m_enum_val.identifier->start_line;
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DocData::ConstantDoc const_doc;
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const_doc.name = name;
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const_doc.value = _docvalue_from_variant(m_enum_val.value);
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const_doc.is_value_valid = true;
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const_doc.enumeration = "@unnamed_enums";
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const_doc.description = m_enum_val.doc_data.description;
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const_doc.is_deprecated = m_enum_val.doc_data.is_deprecated;
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const_doc.is_experimental = m_enum_val.doc_data.is_experimental;
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doc.constants.push_back(const_doc);
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} break;
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default:
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break;
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}
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}
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// Add doc to the outer-most class.
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p_script->_add_doc(doc);
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}
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