godot/modules/gdscript/editor/gdscript_docgen.cpp

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/**************************************************************************/
/* gdscript_docgen.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 "gdscript_docgen.h"
#include "../gdscript.h"
using GDP = GDScriptParser;
using GDType = GDP::DataType;
static String _get_script_path(const String &p_path) {
return vformat(R"("%s")", p_path.get_slice("://", 1));
}
static String _get_class_name(const GDP::ClassNode &p_class) {
const GDP::ClassNode *curr_class = &p_class;
if (!curr_class->identifier) { // All inner classes have a identifier, so this is the outer class
return _get_script_path(curr_class->fqcn);
}
String full_name = curr_class->identifier->name;
while (curr_class->outer) {
curr_class = curr_class->outer;
if (!curr_class->identifier) { // All inner classes have a identifier, so this is the outer class
return vformat("%s.%s", _get_script_path(curr_class->fqcn), full_name);
}
full_name = vformat("%s.%s", curr_class->identifier->name, full_name);
}
return full_name;
}
static PropertyInfo _property_info_from_datatype(const GDType &p_type) {
PropertyInfo pi;
pi.type = p_type.builtin_type;
if (p_type.kind == GDType::CLASS) {
pi.class_name = _get_class_name(*p_type.class_type);
} else if (p_type.kind == GDType::ENUM && p_type.enum_type != StringName()) {
pi.type = Variant::INT; // Only int types are recognized as enums by the EditorHelp
pi.usage |= PROPERTY_USAGE_CLASS_IS_ENUM;
// Replace :: from enum's use of fully qualified class names with regular .
pi.class_name = String(p_type.native_type).replace("::", ".");
} else if (p_type.kind == GDType::NATIVE) {
pi.class_name = p_type.native_type;
}
return pi;
}
void GDScriptDocGen::generate_docs(GDScript *p_script, const GDP::ClassNode *p_class) {
p_script->_clear_doc();
DocData::ClassDoc &doc = p_script->doc;
doc.script_path = _get_script_path(p_script->get_script_path());
if (p_script->name.is_empty()) {
doc.name = doc.script_path;
} else {
doc.name = p_script->name;
}
if (p_script->_owner) {
doc.name = p_script->_owner->doc.name + "." + doc.name;
doc.script_path = doc.script_path + "." + doc.name;
}
doc.is_script_doc = true;
if (p_script->base.is_valid() && p_script->base->is_valid()) {
if (!p_script->base->doc.name.is_empty()) {
doc.inherits = p_script->base->doc.name;
} else {
doc.inherits = p_script->base->get_instance_base_type();
}
} else if (p_script->native.is_valid()) {
doc.inherits = p_script->native->get_name();
}
doc.brief_description = p_class->doc_data.brief;
doc.description = p_class->doc_data.description;
for (const Pair<String, String> &p : p_class->doc_data.tutorials) {
DocData::TutorialDoc td;
td.title = p.first;
td.link = p.second;
doc.tutorials.append(td);
}
doc.is_deprecated = p_class->doc_data.is_deprecated;
doc.is_experimental = p_class->doc_data.is_experimental;
for (const GDP::ClassNode::Member &member : p_class->members) {
switch (member.type) {
case GDP::ClassNode::Member::CLASS: {
const GDP::ClassNode *inner_class = member.m_class;
const StringName &class_name = inner_class->identifier->name;
p_script->member_lines[class_name] = inner_class->start_line;
// Recursively generate inner class docs
// Needs inner GDScripts to exist: previously generated in GDScriptCompiler::make_scripts()
GDScriptDocGen::generate_docs(*p_script->subclasses[class_name], inner_class);
} break;
case GDP::ClassNode::Member::CONSTANT: {
const GDP::ConstantNode *m_const = member.constant;
const StringName &const_name = member.constant->identifier->name;
p_script->member_lines[const_name] = m_const->start_line;
DocData::ConstantDoc const_doc;
DocData::constant_doc_from_variant(const_doc, const_name, m_const->initializer->reduced_value, m_const->doc_data.description);
const_doc.is_deprecated = m_const->doc_data.is_deprecated;
const_doc.is_experimental = m_const->doc_data.is_experimental;
doc.constants.push_back(const_doc);
} break;
case GDP::ClassNode::Member::FUNCTION: {
const GDP::FunctionNode *m_func = member.function;
const StringName &func_name = m_func->identifier->name;
p_script->member_lines[func_name] = m_func->start_line;
MethodInfo mi;
mi.name = func_name;
if (m_func->return_type) {
mi.return_val = _property_info_from_datatype(m_func->return_type->get_datatype());
}
for (const GDScriptParser::ParameterNode *p : m_func->parameters) {
PropertyInfo pi = _property_info_from_datatype(p->get_datatype());
pi.name = p->identifier->name;
mi.arguments.push_back(pi);
}
DocData::MethodDoc method_doc;
DocData::method_doc_from_methodinfo(method_doc, mi, m_func->doc_data.description);
method_doc.is_deprecated = m_func->doc_data.is_deprecated;
method_doc.is_experimental = m_func->doc_data.is_experimental;
doc.methods.push_back(method_doc);
} break;
case GDP::ClassNode::Member::SIGNAL: {
const GDP::SignalNode *m_signal = member.signal;
const StringName &signal_name = m_signal->identifier->name;
p_script->member_lines[signal_name] = m_signal->start_line;
MethodInfo mi;
mi.name = signal_name;
for (const GDScriptParser::ParameterNode *p : m_signal->parameters) {
PropertyInfo pi = _property_info_from_datatype(p->get_datatype());
pi.name = p->identifier->name;
mi.arguments.push_back(pi);
}
DocData::MethodDoc signal_doc;
DocData::signal_doc_from_methodinfo(signal_doc, mi, m_signal->doc_data.description);
signal_doc.is_deprecated = m_signal->doc_data.is_deprecated;
signal_doc.is_experimental = m_signal->doc_data.is_experimental;
doc.signals.push_back(signal_doc);
} break;
case GDP::ClassNode::Member::VARIABLE: {
const GDP::VariableNode *m_var = member.variable;
const StringName &var_name = m_var->identifier->name;
p_script->member_lines[var_name] = m_var->start_line;
DocData::PropertyDoc prop_doc;
prop_doc.name = var_name;
prop_doc.description = m_var->doc_data.description;
prop_doc.is_deprecated = m_var->doc_data.is_deprecated;
prop_doc.is_experimental = m_var->doc_data.is_experimental;
GDType dt = m_var->get_datatype();
switch (dt.kind) {
case GDType::CLASS:
prop_doc.type = _get_class_name(*dt.class_type);
break;
case GDType::VARIANT:
prop_doc.type = "Variant";
break;
case GDType::ENUM:
prop_doc.type = Variant::get_type_name(dt.builtin_type);
// Replace :: from enum's use of fully qualified class names with regular .
prop_doc.enumeration = String(dt.native_type).replace("::", ".");
break;
case GDType::NATIVE:;
prop_doc.type = dt.native_type;
break;
case GDType::BUILTIN:
prop_doc.type = Variant::get_type_name(dt.builtin_type);
break;
default:
// SCRIPT: can be preload()'d and perhaps used as types directly?
// RESOLVING & UNRESOLVED should never happen since docgen requires analyzing w/o errors
break;
}
if (m_var->property == GDP::VariableNode::PROP_SETGET) {
if (m_var->setter_pointer != nullptr) {
prop_doc.setter = m_var->setter_pointer->name;
}
if (m_var->getter_pointer != nullptr) {
prop_doc.getter = m_var->getter_pointer->name;
}
}
if (m_var->initializer && m_var->initializer->is_constant) {
prop_doc.default_value = m_var->initializer->reduced_value.get_construct_string().replace("\n", "");
}
prop_doc.overridden = false;
doc.properties.push_back(prop_doc);
} break;
case GDP::ClassNode::Member::ENUM: {
const GDP::EnumNode *m_enum = member.m_enum;
StringName name = m_enum->identifier->name;
p_script->member_lines[name] = m_enum->start_line;
DocData::EnumDoc enum_doc;
enum_doc.description = m_enum->doc_data.description;
enum_doc.is_deprecated = m_enum->doc_data.is_deprecated;
enum_doc.is_experimental = m_enum->doc_data.is_experimental;
doc.enums[name] = enum_doc;
for (const GDP::EnumNode::Value &val : m_enum->values) {
DocData::ConstantDoc const_doc;
const_doc.name = val.identifier->name;
const_doc.value = String(Variant(val.value));
const_doc.is_value_valid = true;
const_doc.enumeration = name;
const_doc.description = val.doc_data.description;
const_doc.is_deprecated = val.doc_data.is_deprecated;
const_doc.is_experimental = val.doc_data.is_experimental;
doc.constants.push_back(const_doc);
}
} break;
case GDP::ClassNode::Member::ENUM_VALUE: {
const GDP::EnumNode::Value &m_enum_val = member.enum_value;
const StringName &name = m_enum_val.identifier->name;
p_script->member_lines[name] = m_enum_val.identifier->start_line;
DocData::ConstantDoc const_doc;
DocData::constant_doc_from_variant(const_doc, name, m_enum_val.value, m_enum_val.doc_data.description);
const_doc.enumeration = "@unnamed_enums";
const_doc.is_deprecated = m_enum_val.doc_data.is_deprecated;
const_doc.is_experimental = m_enum_val.doc_data.is_experimental;
doc.constants.push_back(const_doc);
} break;
case GDP::ClassNode::Member::GROUP:
case GDP::ClassNode::Member::UNDEFINED:
default:
break;
}
}
// Add doc to the outer-most class.
p_script->_add_doc(doc);
}