godot/modules/gdscript/gdscript_editor.cpp
2021-06-30 02:37:20 -07:00

3150 lines
111 KiB
C++

/*************************************************************************/
/* gdscript_editor.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "gdscript.h"
#include "core/config/engine.h"
#include "core/core_constants.h"
#include "core/io/file_access.h"
#include "gdscript_analyzer.h"
#include "gdscript_compiler.h"
#include "gdscript_parser.h"
#include "gdscript_tokenizer.h"
#include "gdscript_utility_functions.h"
#ifdef TOOLS_ENABLED
#include "core/config/project_settings.h"
#include "editor/editor_file_system.h"
#include "editor/editor_settings.h"
#endif
void GDScriptLanguage::get_comment_delimiters(List<String> *p_delimiters) const {
p_delimiters->push_back("#");
}
void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const {
p_delimiters->push_back("\" \"");
p_delimiters->push_back("' '");
p_delimiters->push_back("\"\"\" \"\"\"");
}
String GDScriptLanguage::_get_processed_template(const String &p_template, const String &p_base_class_name) const {
String processed_template = p_template;
#ifdef TOOLS_ENABLED
if (EDITOR_DEF("text_editor/completion/add_type_hints", false)) {
processed_template = processed_template.replace("%INT_TYPE%", ": int");
processed_template = processed_template.replace("%STRING_TYPE%", ": String");
processed_template = processed_template.replace("%FLOAT_TYPE%", ": float");
processed_template = processed_template.replace("%VOID_RETURN%", " -> void");
} else {
processed_template = processed_template.replace("%INT_TYPE%", "");
processed_template = processed_template.replace("%STRING_TYPE%", "");
processed_template = processed_template.replace("%FLOAT_TYPE%", "");
processed_template = processed_template.replace("%VOID_RETURN%", "");
}
#else
processed_template = processed_template.replace("%INT_TYPE%", "");
processed_template = processed_template.replace("%STRING_TYPE%", "");
processed_template = processed_template.replace("%FLOAT_TYPE%", "");
processed_template = processed_template.replace("%VOID_RETURN%", "");
#endif
processed_template = processed_template.replace("%BASE%", p_base_class_name);
processed_template = processed_template.replace("%TS%", _get_indentation());
return processed_template;
}
Ref<Script> GDScriptLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const {
String _template = "extends %BASE%\n"
"\n"
"\n"
"# Declare member variables here. Examples:\n"
"# var a%INT_TYPE% = 2\n"
"# var b%STRING_TYPE% = \"text\"\n"
"\n"
"\n"
"# Called when the node enters the scene tree for the first time.\n"
"func _ready()%VOID_RETURN%:\n"
"%TS%pass # Replace with function body.\n"
"\n"
"\n"
"# Called every frame. 'delta' is the elapsed time since the previous frame.\n"
"#func _process(delta%FLOAT_TYPE%)%VOID_RETURN%:\n"
"#%TS%pass\n";
_template = _get_processed_template(_template, p_base_class_name);
Ref<GDScript> script;
script.instantiate();
script->set_source_code(_template);
return script;
}
bool GDScriptLanguage::is_using_templates() {
return true;
}
void GDScriptLanguage::make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {
String _template = _get_processed_template(p_script->get_source_code(), p_base_class_name);
p_script->set_source_code(_template);
}
static void get_function_names_recursively(const GDScriptParser::ClassNode *p_class, const String &p_prefix, Map<int, String> &r_funcs) {
for (int i = 0; i < p_class->members.size(); i++) {
if (p_class->members[i].type == GDScriptParser::ClassNode::Member::FUNCTION) {
const GDScriptParser::FunctionNode *function = p_class->members[i].function;
r_funcs[function->start_line] = p_prefix.is_empty() ? String(function->identifier->name) : p_prefix + "." + String(function->identifier->name);
} else if (p_class->members[i].type == GDScriptParser::ClassNode::Member::CLASS) {
String new_prefix = p_class->members[i].m_class->identifier->name;
get_function_names_recursively(p_class->members[i].m_class, p_prefix.is_empty() ? new_prefix : p_prefix + "." + new_prefix, r_funcs);
}
}
}
bool GDScriptLanguage::validate(const String &p_script, const String &p_path, List<String> *r_functions, List<ScriptLanguage::ScriptError> *r_errors, List<ScriptLanguage::Warning> *r_warnings, Set<int> *r_safe_lines) const {
GDScriptParser parser;
GDScriptAnalyzer analyzer(&parser);
Error err = parser.parse(p_script, p_path, false);
if (err == OK) {
err = analyzer.analyze();
}
#ifdef DEBUG_ENABLED
if (r_warnings) {
for (const List<GDScriptWarning>::Element *E = parser.get_warnings().front(); E; E = E->next()) {
const GDScriptWarning &warn = E->get();
ScriptLanguage::Warning w;
w.start_line = warn.start_line;
w.end_line = warn.end_line;
w.leftmost_column = warn.leftmost_column;
w.rightmost_column = warn.rightmost_column;
w.code = (int)warn.code;
w.string_code = GDScriptWarning::get_name_from_code(warn.code);
w.message = warn.get_message();
r_warnings->push_back(w);
}
}
#endif
if (err) {
if (r_errors) {
for (const List<GDScriptParser::ParserError>::Element *E = parser.get_errors().front(); E; E = E->next()) {
const GDScriptParser::ParserError &pe = E->get();
ScriptLanguage::ScriptError e;
e.line = pe.line;
e.column = pe.column;
e.message = pe.message;
r_errors->push_back(e);
}
}
return false;
} else {
const GDScriptParser::ClassNode *cl = parser.get_tree();
Map<int, String> funcs;
get_function_names_recursively(cl, "", funcs);
for (Map<int, String>::Element *E = funcs.front(); E; E = E->next()) {
r_functions->push_back(E->get() + ":" + itos(E->key()));
}
}
#ifdef DEBUG_ENABLED
if (r_safe_lines) {
const Set<int> &unsafe_lines = parser.get_unsafe_lines();
for (int i = 1; i <= parser.get_last_line_number(); i++) {
if (!unsafe_lines.has(i)) {
r_safe_lines->insert(i);
}
}
}
#endif
return true;
}
bool GDScriptLanguage::has_named_classes() const {
return false;
}
bool GDScriptLanguage::supports_builtin_mode() const {
return true;
}
bool GDScriptLanguage::supports_documentation() const {
return true;
}
int GDScriptLanguage::find_function(const String &p_function, const String &p_code) const {
GDScriptTokenizer tokenizer;
tokenizer.set_source_code(p_code);
int indent = 0;
GDScriptTokenizer::Token current = tokenizer.scan();
while (current.type != GDScriptTokenizer::Token::TK_EOF && current.type != GDScriptTokenizer::Token::ERROR) {
if (current.type == GDScriptTokenizer::Token::INDENT) {
indent++;
} else if (current.type == GDScriptTokenizer::Token::DEDENT) {
indent--;
}
if (indent == 0 && current.type == GDScriptTokenizer::Token::FUNC) {
current = tokenizer.scan();
if (current.is_identifier()) {
String identifier = current.get_identifier();
if (identifier == p_function) {
return current.start_line;
}
}
}
current = tokenizer.scan();
}
return -1;
}
Script *GDScriptLanguage::create_script() const {
return memnew(GDScript);
}
/* DEBUGGER FUNCTIONS */
bool GDScriptLanguage::debug_break_parse(const String &p_file, int p_line, const String &p_error) {
//break because of parse error
if (EngineDebugger::is_active() && Thread::get_caller_id() == Thread::get_main_id()) {
_debug_parse_err_line = p_line;
_debug_parse_err_file = p_file;
_debug_error = p_error;
EngineDebugger::get_script_debugger()->debug(this, false, true);
return true;
} else {
return false;
}
}
bool GDScriptLanguage::debug_break(const String &p_error, bool p_allow_continue) {
if (EngineDebugger::is_active() && Thread::get_caller_id() == Thread::get_main_id()) {
_debug_parse_err_line = -1;
_debug_parse_err_file = "";
_debug_error = p_error;
bool is_error_breakpoint = p_error != "Breakpoint";
EngineDebugger::get_script_debugger()->debug(this, p_allow_continue, is_error_breakpoint);
return true;
} else {
return false;
}
}
String GDScriptLanguage::debug_get_error() const {
return _debug_error;
}
int GDScriptLanguage::debug_get_stack_level_count() const {
if (_debug_parse_err_line >= 0) {
return 1;
}
return _debug_call_stack_pos;
}
int GDScriptLanguage::debug_get_stack_level_line(int p_level) const {
if (_debug_parse_err_line >= 0) {
return _debug_parse_err_line;
}
ERR_FAIL_INDEX_V(p_level, _debug_call_stack_pos, -1);
int l = _debug_call_stack_pos - p_level - 1;
return *(_call_stack[l].line);
}
String GDScriptLanguage::debug_get_stack_level_function(int p_level) const {
if (_debug_parse_err_line >= 0) {
return "";
}
ERR_FAIL_INDEX_V(p_level, _debug_call_stack_pos, "");
int l = _debug_call_stack_pos - p_level - 1;
return _call_stack[l].function->get_name();
}
String GDScriptLanguage::debug_get_stack_level_source(int p_level) const {
if (_debug_parse_err_line >= 0) {
return _debug_parse_err_file;
}
ERR_FAIL_INDEX_V(p_level, _debug_call_stack_pos, "");
int l = _debug_call_stack_pos - p_level - 1;
return _call_stack[l].function->get_source();
}
void GDScriptLanguage::debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {
if (_debug_parse_err_line >= 0) {
return;
}
ERR_FAIL_INDEX(p_level, _debug_call_stack_pos);
int l = _debug_call_stack_pos - p_level - 1;
GDScriptFunction *f = _call_stack[l].function;
List<Pair<StringName, int>> locals;
f->debug_get_stack_member_state(*_call_stack[l].line, &locals);
for (List<Pair<StringName, int>>::Element *E = locals.front(); E; E = E->next()) {
p_locals->push_back(E->get().first);
p_values->push_back(_call_stack[l].stack[E->get().second]);
}
}
void GDScriptLanguage::debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {
if (_debug_parse_err_line >= 0) {
return;
}
ERR_FAIL_INDEX(p_level, _debug_call_stack_pos);
int l = _debug_call_stack_pos - p_level - 1;
GDScriptInstance *instance = _call_stack[l].instance;
if (!instance) {
return;
}
Ref<GDScript> script = instance->get_script();
ERR_FAIL_COND(script.is_null());
const Map<StringName, GDScript::MemberInfo> &mi = script->debug_get_member_indices();
for (const Map<StringName, GDScript::MemberInfo>::Element *E = mi.front(); E; E = E->next()) {
p_members->push_back(E->key());
p_values->push_back(instance->debug_get_member_by_index(E->get().index));
}
}
ScriptInstance *GDScriptLanguage::debug_get_stack_level_instance(int p_level) {
if (_debug_parse_err_line >= 0) {
return nullptr;
}
ERR_FAIL_INDEX_V(p_level, _debug_call_stack_pos, nullptr);
int l = _debug_call_stack_pos - p_level - 1;
ScriptInstance *instance = _call_stack[l].instance;
return instance;
}
void GDScriptLanguage::debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {
const Map<StringName, int> &name_idx = GDScriptLanguage::get_singleton()->get_global_map();
const Variant *globals = GDScriptLanguage::get_singleton()->get_global_array();
List<Pair<String, Variant>> cinfo;
get_public_constants(&cinfo);
for (const Map<StringName, int>::Element *E = name_idx.front(); E; E = E->next()) {
if (ClassDB::class_exists(E->key()) || Engine::get_singleton()->has_singleton(E->key())) {
continue;
}
bool is_script_constant = false;
for (List<Pair<String, Variant>>::Element *CE = cinfo.front(); CE; CE = CE->next()) {
if (CE->get().first == E->key()) {
is_script_constant = true;
break;
}
}
if (is_script_constant) {
continue;
}
const Variant &var = globals[E->value()];
if (Object *obj = var) {
if (Object::cast_to<GDScriptNativeClass>(obj)) {
continue;
}
}
bool skip = false;
for (int i = 0; i < CoreConstants::get_global_constant_count(); i++) {
if (E->key() == CoreConstants::get_global_constant_name(i)) {
skip = true;
break;
}
}
if (skip) {
continue;
}
p_globals->push_back(E->key());
p_values->push_back(var);
}
}
String GDScriptLanguage::debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth) {
return "";
}
void GDScriptLanguage::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("gd");
}
void GDScriptLanguage::get_public_functions(List<MethodInfo> *p_functions) const {
List<StringName> functions;
GDScriptUtilityFunctions::get_function_list(&functions);
for (const List<StringName>::Element *E = functions.front(); E; E = E->next()) {
p_functions->push_back(GDScriptUtilityFunctions::get_function_info(E->get()));
}
// Not really "functions", but show in documentation.
{
MethodInfo mi;
mi.name = "preload";
mi.arguments.push_back(PropertyInfo(Variant::STRING, "path"));
mi.return_val = PropertyInfo(Variant::OBJECT, "", PROPERTY_HINT_RESOURCE_TYPE, "Resource");
p_functions->push_back(mi);
}
{
MethodInfo mi;
mi.name = "assert";
mi.return_val.type = Variant::NIL;
mi.arguments.push_back(PropertyInfo(Variant::BOOL, "condition"));
mi.arguments.push_back(PropertyInfo(Variant::STRING, "message"));
mi.default_arguments.push_back(String());
p_functions->push_back(mi);
}
}
void GDScriptLanguage::get_public_constants(List<Pair<String, Variant>> *p_constants) const {
Pair<String, Variant> pi;
pi.first = "PI";
pi.second = Math_PI;
p_constants->push_back(pi);
Pair<String, Variant> tau;
tau.first = "TAU";
tau.second = Math_TAU;
p_constants->push_back(tau);
Pair<String, Variant> infinity;
infinity.first = "INF";
infinity.second = Math_INF;
p_constants->push_back(infinity);
Pair<String, Variant> nan;
nan.first = "NAN";
nan.second = Math_NAN;
p_constants->push_back(nan);
}
String GDScriptLanguage::make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const {
#ifdef TOOLS_ENABLED
bool th = EditorSettings::get_singleton()->get_setting("text_editor/completion/add_type_hints");
#else
bool th = false;
#endif
String s = "func " + p_name + "(";
if (p_args.size()) {
for (int i = 0; i < p_args.size(); i++) {
if (i > 0) {
s += ", ";
}
s += p_args[i].get_slice(":", 0);
if (th) {
String type = p_args[i].get_slice(":", 1);
if (!type.is_empty() && type != "var") {
s += ": " + type;
}
}
}
}
s += String(")") + (th ? " -> void" : "") + ":\n" + _get_indentation() + "pass # Replace with function body.\n";
return s;
}
//////// COMPLETION //////////
#ifdef TOOLS_ENABLED
#define COMPLETION_RECURSION_LIMIT 200
struct GDScriptCompletionIdentifier {
GDScriptParser::DataType type;
String enumeration;
Variant value;
const GDScriptParser::ExpressionNode *assigned_expression = nullptr;
};
static String _get_visual_datatype(const PropertyInfo &p_info, bool p_is_arg = true) {
if (p_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
String enum_name = p_info.class_name;
if (enum_name.find(".") == -1) {
return enum_name;
}
return enum_name.get_slice(".", 1);
}
String n = p_info.name;
int idx = n.find(":");
if (idx != -1) {
return n.substr(idx + 1, n.length());
}
if (p_info.type == Variant::OBJECT) {
if (p_info.hint == PROPERTY_HINT_RESOURCE_TYPE) {
return p_info.hint_string;
} else {
return p_info.class_name.operator String();
}
}
if (p_info.type == Variant::NIL) {
if (p_is_arg || (p_info.usage & PROPERTY_USAGE_NIL_IS_VARIANT)) {
return "Variant";
} else {
return "void";
}
}
return Variant::get_type_name(p_info.type);
}
static String _make_arguments_hint(const MethodInfo &p_info, int p_arg_idx, bool p_is_annotation = false) {
String arghint;
if (!p_is_annotation) {
arghint += _get_visual_datatype(p_info.return_val, false) + " ";
}
arghint += p_info.name + "(";
int def_args = p_info.arguments.size() - p_info.default_arguments.size();
int i = 0;
for (const List<PropertyInfo>::Element *E = p_info.arguments.front(); E; E = E->next()) {
if (i > 0) {
arghint += ", ";
}
if (i == p_arg_idx) {
arghint += String::chr(0xFFFF);
}
arghint += E->get().name + ": " + _get_visual_datatype(E->get(), true);
if (i - def_args >= 0) {
arghint += String(" = ") + p_info.default_arguments[i - def_args].get_construct_string();
}
if (i == p_arg_idx) {
arghint += String::chr(0xFFFF);
}
i++;
}
if (p_info.flags & METHOD_FLAG_VARARG) {
if (p_info.arguments.size() > 0) {
arghint += ", ";
}
if (p_arg_idx >= p_info.arguments.size()) {
arghint += String::chr(0xFFFF);
}
arghint += "...";
if (p_arg_idx >= p_info.arguments.size()) {
arghint += String::chr(0xFFFF);
}
}
arghint += ")";
return arghint;
}
static String _make_arguments_hint(const GDScriptParser::FunctionNode *p_function, int p_arg_idx) {
String arghint = p_function->get_datatype().to_string() + " " + p_function->identifier->name.operator String() + "(";
for (int i = 0; i < p_function->parameters.size(); i++) {
if (i > 0) {
arghint += ", ";
}
if (i == p_arg_idx) {
arghint += String::chr(0xFFFF);
}
const GDScriptParser::ParameterNode *par = p_function->parameters[i];
arghint += par->identifier->name.operator String() + ": " + par->get_datatype().to_string();
if (par->default_value) {
String def_val = "<unknown>";
if (par->default_value->type == GDScriptParser::Node::LITERAL) {
const GDScriptParser::LiteralNode *literal = static_cast<const GDScriptParser::LiteralNode *>(par->default_value);
def_val = literal->value.get_construct_string();
} else if (par->default_value->type == GDScriptParser::Node::IDENTIFIER) {
const GDScriptParser::IdentifierNode *id = static_cast<const GDScriptParser::IdentifierNode *>(par->default_value);
def_val = id->name.operator String();
}
arghint += " = " + def_val;
}
if (i == p_arg_idx) {
arghint += String::chr(0xFFFF);
}
}
arghint += ")";
return arghint;
}
static void _get_directory_contents(EditorFileSystemDirectory *p_dir, Map<String, ScriptCodeCompletionOption> &r_list) {
const String quote_style = EDITOR_DEF("text_editor/completion/use_single_quotes", false) ? "'" : "\"";
for (int i = 0; i < p_dir->get_file_count(); i++) {
ScriptCodeCompletionOption option(p_dir->get_file_path(i), ScriptCodeCompletionOption::KIND_FILE_PATH);
option.insert_text = quote_style + option.display + quote_style;
r_list.insert(option.display, option);
}
for (int i = 0; i < p_dir->get_subdir_count(); i++) {
_get_directory_contents(p_dir->get_subdir(i), r_list);
}
}
static void _find_annotation_arguments(const GDScriptParser::AnnotationNode *p_annotation, int p_argument, const String p_quote_style, Map<String, ScriptCodeCompletionOption> &r_result) {
if (p_annotation->name == "@export_range" || p_annotation->name == "@export_exp_range") {
if (p_argument == 3 || p_argument == 4) {
// Slider hint.
ScriptCodeCompletionOption slider1("or_greater", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
slider1.insert_text = p_quote_style + slider1.display + p_quote_style;
r_result.insert(slider1.display, slider1);
ScriptCodeCompletionOption slider2("or_lesser", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
slider2.insert_text = p_quote_style + slider2.display + p_quote_style;
r_result.insert(slider2.display, slider2);
}
} else if (p_annotation->name == "@export_exp_easing") {
if (p_argument == 0 || p_argument == 1) {
// Easing hint.
ScriptCodeCompletionOption hint1("attenuation", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
hint1.insert_text = p_quote_style + hint1.display + p_quote_style;
r_result.insert(hint1.display, hint1);
ScriptCodeCompletionOption hint2("inout", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
hint2.insert_text = p_quote_style + hint2.display + p_quote_style;
r_result.insert(hint2.display, hint2);
}
} else if (p_annotation->name == "@export_node_path") {
ScriptCodeCompletionOption node("Node", ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(node.display, node);
List<StringName> node_types;
ClassDB::get_inheriters_from_class("Node", &node_types);
for (const List<StringName>::Element *E = node_types.front(); E != nullptr; E = E->next()) {
if (!ClassDB::is_class_exposed(E->get())) {
continue;
}
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
}
}
static void _list_available_types(bool p_inherit_only, GDScriptParser::CompletionContext &p_context, Map<String, ScriptCodeCompletionOption> &r_result) {
List<StringName> native_types;
ClassDB::get_class_list(&native_types);
for (const List<StringName>::Element *E = native_types.front(); E != nullptr; E = E->next()) {
if (ClassDB::is_class_exposed(E->get()) && !Engine::get_singleton()->has_singleton(E->get())) {
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
}
if (p_context.current_class) {
if (!p_inherit_only && p_context.current_class->base_type.is_set()) {
// Native enums from base class
List<StringName> enums;
ClassDB::get_enum_list(p_context.current_class->base_type.native_type, &enums);
for (const List<StringName>::Element *E = enums.front(); E != nullptr; E = E->next()) {
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_ENUM);
r_result.insert(option.display, option);
}
}
// Check current class for potential types
const GDScriptParser::ClassNode *current = p_context.current_class;
while (current) {
for (int i = 0; i < current->members.size(); i++) {
const GDScriptParser::ClassNode::Member &member = current->members[i];
switch (member.type) {
case GDScriptParser::ClassNode::Member::CLASS: {
ScriptCodeCompletionOption option(member.m_class->identifier->name, ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
} break;
case GDScriptParser::ClassNode::Member::ENUM: {
if (!p_inherit_only) {
ScriptCodeCompletionOption option(member.m_enum->identifier->name, ScriptCodeCompletionOption::KIND_ENUM);
r_result.insert(option.display, option);
}
} break;
case GDScriptParser::ClassNode::Member::CONSTANT: {
if (member.constant->get_datatype().is_meta_type && p_context.current_class->outer != nullptr) {
ScriptCodeCompletionOption option(member.constant->identifier->name, ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
} break;
default:
break;
}
}
current = current->outer;
}
}
// Global scripts
List<StringName> global_classes;
ScriptServer::get_global_class_list(&global_classes);
for (const List<StringName>::Element *E = global_classes.front(); E != nullptr; E = E->next()) {
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
// Autoload singletons
Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
for (const Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E != nullptr; E = E->next()) {
const ProjectSettings::AutoloadInfo &info = E->get();
if (!info.is_singleton || info.path.get_extension().to_lower() != "gd") {
continue;
}
ScriptCodeCompletionOption option(info.name, ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
}
static void _find_identifiers_in_suite(const GDScriptParser::SuiteNode *p_suite, Map<String, ScriptCodeCompletionOption> &r_result) {
for (int i = 0; i < p_suite->locals.size(); i++) {
ScriptCodeCompletionOption option;
if (p_suite->locals[i].type == GDScriptParser::SuiteNode::Local::CONSTANT) {
option = ScriptCodeCompletionOption(p_suite->locals[i].name, ScriptCodeCompletionOption::KIND_CONSTANT);
option.default_value = p_suite->locals[i].constant->initializer->reduced_value;
} else {
option = ScriptCodeCompletionOption(p_suite->locals[i].name, ScriptCodeCompletionOption::KIND_VARIABLE);
}
r_result.insert(option.display, option);
}
if (p_suite->parent_block) {
_find_identifiers_in_suite(p_suite->parent_block, r_result);
}
}
static void _find_identifiers_in_base(const GDScriptCompletionIdentifier &p_base, bool p_only_functions, Map<String, ScriptCodeCompletionOption> &r_result, int p_recursion_depth);
static void _find_identifiers_in_class(const GDScriptParser::ClassNode *p_class, bool p_only_functions, bool p_static, bool p_parent_only, Map<String, ScriptCodeCompletionOption> &r_result, int p_recursion_depth) {
ERR_FAIL_COND(p_recursion_depth > COMPLETION_RECURSION_LIMIT);
if (!p_parent_only) {
bool outer = false;
const GDScriptParser::ClassNode *clss = p_class;
while (clss) {
for (int i = 0; i < clss->members.size(); i++) {
const GDScriptParser::ClassNode::Member &member = clss->members[i];
ScriptCodeCompletionOption option;
switch (member.type) {
case GDScriptParser::ClassNode::Member::VARIABLE:
if (p_only_functions || outer || (p_static)) {
continue;
}
option = ScriptCodeCompletionOption(member.variable->identifier->name, ScriptCodeCompletionOption::KIND_MEMBER);
break;
case GDScriptParser::ClassNode::Member::CONSTANT:
if (p_only_functions) {
continue;
}
option = ScriptCodeCompletionOption(member.constant->identifier->name, ScriptCodeCompletionOption::KIND_CONSTANT);
if (member.constant->initializer) {
option.default_value = member.constant->initializer->reduced_value;
}
break;
case GDScriptParser::ClassNode::Member::CLASS:
if (p_only_functions) {
continue;
}
option = ScriptCodeCompletionOption(member.m_class->identifier->name, ScriptCodeCompletionOption::KIND_CLASS);
break;
case GDScriptParser::ClassNode::Member::ENUM_VALUE:
if (p_only_functions) {
continue;
}
option = ScriptCodeCompletionOption(member.enum_value.identifier->name, ScriptCodeCompletionOption::KIND_CONSTANT);
break;
case GDScriptParser::ClassNode::Member::ENUM:
if (p_only_functions) {
continue;
}
option = ScriptCodeCompletionOption(member.m_enum->identifier->name, ScriptCodeCompletionOption::KIND_ENUM);
break;
case GDScriptParser::ClassNode::Member::FUNCTION:
if (outer || (p_static && !member.function->is_static) || member.function->identifier->name.operator String().begins_with("@")) {
continue;
}
option = ScriptCodeCompletionOption(member.function->identifier->name, ScriptCodeCompletionOption::KIND_FUNCTION);
if (member.function->parameters.size() > 0) {
option.insert_text += "(";
} else {
option.insert_text += "()";
}
break;
case GDScriptParser::ClassNode::Member::SIGNAL:
if (p_only_functions || outer) {
continue;
}
option = ScriptCodeCompletionOption(member.signal->identifier->name, ScriptCodeCompletionOption::KIND_SIGNAL);
break;
case GDScriptParser::ClassNode::Member::UNDEFINED:
break;
}
r_result.insert(option.display, option);
}
outer = true;
clss = clss->outer;
}
}
// Parents.
GDScriptCompletionIdentifier base_type;
base_type.type = p_class->base_type;
base_type.type.is_meta_type = p_static;
_find_identifiers_in_base(base_type, p_only_functions, r_result, p_recursion_depth + 1);
}
static void _find_identifiers_in_base(const GDScriptCompletionIdentifier &p_base, bool p_only_functions, Map<String, ScriptCodeCompletionOption> &r_result, int p_recursion_depth) {
ERR_FAIL_COND(p_recursion_depth > COMPLETION_RECURSION_LIMIT);
GDScriptParser::DataType base_type = p_base.type;
bool _static = base_type.is_meta_type;
if (_static && base_type.kind != GDScriptParser::DataType::BUILTIN) {
ScriptCodeCompletionOption option("new", ScriptCodeCompletionOption::KIND_FUNCTION);
option.insert_text += "(";
r_result.insert(option.display, option);
}
while (!base_type.has_no_type()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS: {
_find_identifiers_in_class(base_type.class_type, p_only_functions, _static, false, r_result, p_recursion_depth + 1);
// This already finds all parent identifiers, so we are done.
base_type = GDScriptParser::DataType();
} break;
case GDScriptParser::DataType::SCRIPT: {
Ref<Script> scr = base_type.script_type;
if (scr.is_valid()) {
if (!p_only_functions) {
if (!_static) {
List<PropertyInfo> members;
scr->get_script_property_list(&members);
for (List<PropertyInfo>::Element *E = members.front(); E; E = E->next()) {
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_MEMBER);
r_result.insert(option.display, option);
}
}
Map<StringName, Variant> constants;
scr->get_constants(&constants);
for (Map<StringName, Variant>::Element *E = constants.front(); E; E = E->next()) {
ScriptCodeCompletionOption option(E->key().operator String(), ScriptCodeCompletionOption::KIND_CONSTANT);
r_result.insert(option.display, option);
}
List<MethodInfo> signals;
scr->get_script_signal_list(&signals);
for (List<MethodInfo>::Element *E = signals.front(); E; E = E->next()) {
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_SIGNAL);
r_result.insert(option.display, option);
}
}
List<MethodInfo> methods;
scr->get_script_method_list(&methods);
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
if (E->get().name.begins_with("@")) {
continue;
}
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_FUNCTION);
if (E->get().arguments.size()) {
option.insert_text += "(";
} else {
option.insert_text += "()";
}
r_result.insert(option.display, option);
}
Ref<Script> base_script = scr->get_base_script();
if (base_script.is_valid()) {
base_type.script_type = base_script;
} else {
base_type.kind = GDScriptParser::DataType::NATIVE;
base_type.native_type = scr->get_instance_base_type();
}
} else {
return;
}
} break;
case GDScriptParser::DataType::NATIVE: {
StringName type = GDScriptParser::get_real_class_name(base_type.native_type);
if (!ClassDB::class_exists(type)) {
return;
}
if (!p_only_functions) {
List<String> constants;
ClassDB::get_integer_constant_list(type, &constants);
for (List<String>::Element *E = constants.front(); E; E = E->next()) {
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_CONSTANT);
r_result.insert(option.display, option);
}
if (!_static || Engine::get_singleton()->has_singleton(type)) {
List<PropertyInfo> pinfo;
ClassDB::get_property_list(type, &pinfo);
for (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
if (E->get().usage & (PROPERTY_USAGE_GROUP | PROPERTY_USAGE_CATEGORY)) {
continue;
}
if (E->get().name.find("/") != -1) {
continue;
}
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_MEMBER);
r_result.insert(option.display, option);
}
}
}
if (!_static || Engine::get_singleton()->has_singleton(type)) {
List<MethodInfo> methods;
bool is_autocompleting_getters = GLOBAL_GET("debug/gdscript/completion/autocomplete_setters_and_getters").booleanize();
ClassDB::get_method_list(type, &methods, false, !is_autocompleting_getters);
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
if (E->get().name.begins_with("_")) {
continue;
}
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_FUNCTION);
if (E->get().arguments.size()) {
option.insert_text += "(";
} else {
option.insert_text += "()";
}
r_result.insert(option.display, option);
}
}
return;
} break;
case GDScriptParser::DataType::BUILTIN: {
Callable::CallError err;
Variant tmp;
Variant::construct(base_type.builtin_type, tmp, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
return;
}
if (!p_only_functions) {
List<PropertyInfo> members;
if (p_base.value.get_type() != Variant::NIL) {
p_base.value.get_property_list(&members);
} else {
tmp.get_property_list(&members);
}
for (List<PropertyInfo>::Element *E = members.front(); E; E = E->next()) {
if (String(E->get().name).find("/") == -1) {
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_MEMBER);
r_result.insert(option.display, option);
}
}
}
List<MethodInfo> methods;
tmp.get_method_list(&methods);
for (const List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
ScriptCodeCompletionOption option(E->get().name, ScriptCodeCompletionOption::KIND_FUNCTION);
if (E->get().arguments.size()) {
option.insert_text += "(";
} else {
option.insert_text += "()";
}
r_result.insert(option.display, option);
}
return;
} break;
default: {
return;
} break;
}
}
}
static void _find_identifiers(GDScriptParser::CompletionContext &p_context, bool p_only_functions, Map<String, ScriptCodeCompletionOption> &r_result, int p_recursion_depth) {
if (!p_only_functions && p_context.current_suite) {
// This includes function parameters, since they are also locals.
_find_identifiers_in_suite(p_context.current_suite, r_result);
}
if (p_context.current_class) {
_find_identifiers_in_class(p_context.current_class, p_only_functions, (!p_context.current_function || p_context.current_function->is_static), false, r_result, p_recursion_depth + 1);
}
List<StringName> functions;
GDScriptUtilityFunctions::get_function_list(&functions);
for (const List<StringName>::Element *E = functions.front(); E; E = E->next()) {
MethodInfo function = GDScriptUtilityFunctions::get_function_info(E->get());
ScriptCodeCompletionOption option(String(E->get()), ScriptCodeCompletionOption::KIND_FUNCTION);
if (function.arguments.size() || (function.flags & METHOD_FLAG_VARARG)) {
option.insert_text += "(";
} else {
option.insert_text += "()";
}
r_result.insert(option.display, option);
}
if (p_only_functions) {
return;
}
static const char *_type_names[Variant::VARIANT_MAX] = {
"null", "bool", "int", "float", "String", "StringName", "Vector2", "Vector2i", "Rect2", "Rect2i", "Vector3", "Vector3i", "Transform2D", "Plane", "Quaternion", "AABB", "Basis", "Transform3D",
"Color", "NodePath", "RID", "Signal", "Callable", "Object", "Dictionary", "Array", "PackedByteArray", "PackedInt32Array", "PackedInt64Array", "PackedFloat32Array", "PackedFloat64Array", "PackedStringArray",
"PackedVector2Array", "PackedVector3Array", "PackedColorArray"
};
static_assert((sizeof(_type_names) / sizeof(*_type_names)) == Variant::VARIANT_MAX, "Completion for builtin types is incomplete");
for (int i = 0; i < Variant::VARIANT_MAX; i++) {
ScriptCodeCompletionOption option(_type_names[i], ScriptCodeCompletionOption::KIND_CLASS);
r_result.insert(option.display, option);
}
static const char *_keywords[] = {
"false", "PI", "TAU", "INF", "NAN", "self", "true", "breakpoint", "tool", "super",
"break", "continue", "pass", "return",
nullptr
};
const char **kw = _keywords;
while (*kw) {
ScriptCodeCompletionOption option(*kw, ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
r_result.insert(option.display, option);
kw++;
}
static const char *_keywords_with_space[] = {
"and", "in", "not", "or", "as", "class", "extends", "is", "func", "signal", "await",
"const", "enum", "static", "var", "if", "elif", "else", "for", "match", "while",
nullptr
};
const char **kws = _keywords_with_space;
while (*kws) {
ScriptCodeCompletionOption option(*kws, ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
option.insert_text += " ";
r_result.insert(option.display, option);
kws++;
}
static const char *_keywords_with_args[] = {
"assert", "preload",
nullptr
};
const char **kwa = _keywords_with_args;
while (*kwa) {
ScriptCodeCompletionOption option(*kwa, ScriptCodeCompletionOption::KIND_FUNCTION);
option.insert_text += "(";
r_result.insert(option.display, option);
kwa++;
}
Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
for (const Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E != nullptr; E = E->next()) {
if (!E->value().is_singleton) {
continue;
}
ScriptCodeCompletionOption option(E->key(), ScriptCodeCompletionOption::KIND_CONSTANT);
r_result.insert(option.display, option);
}
// Native classes and global constants.
for (const Map<StringName, int>::Element *E = GDScriptLanguage::get_singleton()->get_global_map().front(); E; E = E->next()) {
ScriptCodeCompletionOption option;
if (ClassDB::class_exists(E->key()) || Engine::get_singleton()->has_singleton(E->key())) {
option = ScriptCodeCompletionOption(E->key().operator String(), ScriptCodeCompletionOption::KIND_CLASS);
} else {
option = ScriptCodeCompletionOption(E->key().operator String(), ScriptCodeCompletionOption::KIND_CONSTANT);
}
r_result.insert(option.display, option);
}
}
static GDScriptCompletionIdentifier _type_from_variant(const Variant &p_value) {
GDScriptCompletionIdentifier ci;
ci.value = p_value;
ci.type.is_constant = true;
ci.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
ci.type.kind = GDScriptParser::DataType::BUILTIN;
ci.type.builtin_type = p_value.get_type();
if (ci.type.builtin_type == Variant::OBJECT) {
Object *obj = p_value.operator Object *();
if (!obj) {
return ci;
}
ci.type.native_type = obj->get_class_name();
Ref<Script> scr = p_value;
if (scr.is_valid()) {
ci.type.is_meta_type = true;
} else {
ci.type.is_meta_type = false;
scr = obj->get_script();
}
if (scr.is_valid()) {
ci.type.script_type = scr;
ci.type.kind = GDScriptParser::DataType::SCRIPT;
ci.type.native_type = scr->get_instance_base_type();
} else {
ci.type.kind = GDScriptParser::DataType::NATIVE;
}
}
return ci;
}
static GDScriptCompletionIdentifier _type_from_property(const PropertyInfo &p_property) {
GDScriptCompletionIdentifier ci;
if (p_property.type == Variant::NIL) {
// Variant
return ci;
}
if (p_property.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
ci.enumeration = p_property.class_name;
}
ci.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
ci.type.builtin_type = p_property.type;
if (p_property.type == Variant::OBJECT) {
ci.type.kind = GDScriptParser::DataType::NATIVE;
ci.type.native_type = p_property.class_name == StringName() ? "Object" : p_property.class_name;
} else {
ci.type.kind = GDScriptParser::DataType::BUILTIN;
}
return ci;
}
static bool _guess_identifier_type(GDScriptParser::CompletionContext &p_context, const StringName &p_identifier, GDScriptCompletionIdentifier &r_type);
static bool _guess_identifier_type_from_base(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_identifier, GDScriptCompletionIdentifier &r_type);
static bool _guess_method_return_type_from_base(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_method, GDScriptCompletionIdentifier &r_type);
static bool _guess_expression_type(GDScriptParser::CompletionContext &p_context, const GDScriptParser::ExpressionNode *p_expression, GDScriptCompletionIdentifier &r_type) {
bool found = false;
if (p_expression->is_constant) {
// Already has a value, so just use that.
r_type = _type_from_variant(p_expression->reduced_value);
found = true;
} else {
switch (p_expression->type) {
case GDScriptParser::Node::LITERAL: {
const GDScriptParser::LiteralNode *literal = static_cast<const GDScriptParser::LiteralNode *>(p_expression);
r_type = _type_from_variant(literal->value);
found = true;
} break;
case GDScriptParser::Node::SELF: {
if (p_context.current_class) {
r_type.type.kind = GDScriptParser::DataType::CLASS;
r_type.type.type_source = GDScriptParser::DataType::INFERRED;
r_type.type.is_constant = true;
r_type.type.class_type = p_context.current_class;
r_type.value = p_context.base;
found = true;
}
} break;
case GDScriptParser::Node::IDENTIFIER: {
const GDScriptParser::IdentifierNode *id = static_cast<const GDScriptParser::IdentifierNode *>(p_expression);
found = _guess_identifier_type(p_context, id->name, r_type);
} break;
case GDScriptParser::Node::DICTIONARY: {
// Try to recreate the dictionary.
const GDScriptParser::DictionaryNode *dn = static_cast<const GDScriptParser::DictionaryNode *>(p_expression);
Dictionary d;
bool full = true;
for (int i = 0; i < dn->elements.size(); i++) {
GDScriptCompletionIdentifier key;
if (_guess_expression_type(p_context, dn->elements[i].key, key)) {
if (!key.type.is_constant) {
full = false;
break;
}
GDScriptCompletionIdentifier value;
if (_guess_expression_type(p_context, dn->elements[i].value, value)) {
if (!value.type.is_constant) {
full = false;
break;
}
d[key.value] = value.value;
} else {
full = false;
break;
}
} else {
full = false;
break;
}
}
if (full) {
r_type.value = d;
r_type.type.is_constant = true;
}
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::BUILTIN;
r_type.type.builtin_type = Variant::DICTIONARY;
found = true;
} break;
case GDScriptParser::Node::ARRAY: {
// Try to recreate the array
const GDScriptParser::ArrayNode *an = static_cast<const GDScriptParser::ArrayNode *>(p_expression);
Array a;
bool full = true;
a.resize(an->elements.size());
for (int i = 0; i < an->elements.size(); i++) {
GDScriptCompletionIdentifier value;
if (_guess_expression_type(p_context, an->elements[i], value)) {
if (value.type.is_constant) {
a[i] = value.value;
} else {
full = false;
break;
}
} else {
full = false;
break;
}
}
if (full) {
// If not fully constant, setting this value is detrimental to the inference.
r_type.value = a;
}
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::BUILTIN;
r_type.type.builtin_type = Variant::ARRAY;
found = true;
} break;
case GDScriptParser::Node::CAST: {
const GDScriptParser::CastNode *cn = static_cast<const GDScriptParser::CastNode *>(p_expression);
GDScriptCompletionIdentifier value;
if (_guess_expression_type(p_context, cn->operand, r_type)) {
r_type.type = cn->get_datatype();
found = true;
}
} break;
case GDScriptParser::Node::CALL: {
const GDScriptParser::CallNode *call = static_cast<const GDScriptParser::CallNode *>(p_expression);
if (GDScriptParser::get_builtin_type(call->function_name) < Variant::VARIANT_MAX) {
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::BUILTIN;
r_type.type.builtin_type = GDScriptParser::get_builtin_type(call->function_name);
found = true;
break;
} else if (GDScriptUtilityFunctions::function_exists(call->function_name)) {
MethodInfo mi = GDScriptUtilityFunctions::get_function_info(call->function_name);
r_type = _type_from_property(mi.return_val);
found = true;
break;
} else {
GDScriptParser::CompletionContext c = p_context;
c.current_line = call->start_line;
GDScriptParser::Node::Type callee_type = call->get_callee_type();
GDScriptCompletionIdentifier base;
if (callee_type == GDScriptParser::Node::IDENTIFIER || call->is_super) {
// Simple call, so base is 'self'.
if (p_context.current_class) {
base.type.kind = GDScriptParser::DataType::CLASS;
base.type.type_source = GDScriptParser::DataType::INFERRED;
base.type.is_constant = true;
base.type.class_type = p_context.current_class;
base.value = p_context.base;
} else {
break;
}
} else if (callee_type == GDScriptParser::Node::SUBSCRIPT && static_cast<const GDScriptParser::SubscriptNode *>(call->callee)->is_attribute) {
if (!_guess_expression_type(c, static_cast<const GDScriptParser::SubscriptNode *>(call->callee)->base, base)) {
found = false;
break;
}
} else {
break;
}
// Try call if constant methods with constant arguments
if (base.type.is_constant && base.value.get_type() == Variant::OBJECT) {
GDScriptParser::DataType native_type = base.type;
while (native_type.kind == GDScriptParser::DataType::CLASS) {
native_type = native_type.class_type->base_type;
}
while (native_type.kind == GDScriptParser::DataType::SCRIPT) {
if (native_type.script_type.is_valid()) {
Ref<Script> parent = native_type.script_type->get_base_script();
if (parent.is_valid()) {
native_type.script_type = parent;
} else {
native_type.kind = GDScriptParser::DataType::NATIVE;
native_type.native_type = native_type.script_type->get_instance_base_type();
if (!ClassDB::class_exists(native_type.native_type)) {
native_type.native_type = String("_") + native_type.native_type;
if (!ClassDB::class_exists(native_type.native_type)) {
native_type.kind = GDScriptParser::DataType::UNRESOLVED;
}
}
}
}
}
if (native_type.kind == GDScriptParser::DataType::NATIVE) {
MethodBind *mb = ClassDB::get_method(native_type.native_type, call->function_name);
if (mb && mb->is_const()) {
bool all_is_const = true;
Vector<Variant> args;
GDScriptParser::CompletionContext c2 = p_context;
c2.current_line = call->start_line;
for (int i = 0; all_is_const && i < call->arguments.size(); i++) {
GDScriptCompletionIdentifier arg;
if (!call->arguments[i]->is_constant) {
all_is_const = false;
}
}
Object *baseptr = base.value;
if (all_is_const && String(call->function_name) == "get_node" && ClassDB::is_parent_class(native_type.native_type, "Node") && args.size()) {
String arg1 = args[0];
if (arg1.begins_with("/root/")) {
String which = arg1.get_slice("/", 2);
if (which != "") {
// Try singletons first
if (GDScriptLanguage::get_singleton()->get_named_globals_map().has(which)) {
r_type = _type_from_variant(GDScriptLanguage::get_singleton()->get_named_globals_map()[which]);
found = true;
} else {
Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
for (Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E; E = E->next()) {
String name = E->key();
if (name == which) {
String script = E->value().path;
if (!script.begins_with("res://")) {
script = "res://" + script;
}
if (!script.ends_with(".gd")) {
//not a script, try find the script anyway,
//may have some success
script = script.get_basename() + ".gd";
}
if (FileAccess::exists(script)) {
Error err = OK;
Ref<GDScriptParserRef> parser = GDScriptCache::get_parser(script, GDScriptParserRef::INTERFACE_SOLVED, err);
if (err == OK) {
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.script_path = script;
r_type.type.class_type = parser->get_parser()->get_tree();
r_type.type.is_constant = false;
r_type.type.kind = GDScriptParser::DataType::CLASS;
r_type.value = Variant();
p_context.dependent_parsers.push_back(parser);
found = true;
}
}
break;
}
}
}
}
}
}
if (!found && all_is_const && baseptr) {
Vector<const Variant *> argptr;
for (int i = 0; i < args.size(); i++) {
argptr.push_back(&args[i]);
}
Callable::CallError ce;
Variant ret = mb->call(baseptr, (const Variant **)argptr.ptr(), argptr.size(), ce);
if (ce.error == Callable::CallError::CALL_OK && ret.get_type() != Variant::NIL) {
if (ret.get_type() != Variant::OBJECT || ret.operator Object *() != nullptr) {
r_type = _type_from_variant(ret);
found = true;
}
}
}
}
}
}
if (!found) {
found = _guess_method_return_type_from_base(c, base, call->function_name, r_type);
}
}
} break;
case GDScriptParser::Node::SUBSCRIPT: {
const GDScriptParser::SubscriptNode *subscript = static_cast<const GDScriptParser::SubscriptNode *>(p_expression);
if (subscript->is_attribute) {
GDScriptParser::CompletionContext c = p_context;
c.current_line = subscript->start_line;
GDScriptCompletionIdentifier base;
if (!_guess_expression_type(c, subscript->base, base)) {
found = false;
break;
}
if (base.value.get_type() == Variant::DICTIONARY && base.value.operator Dictionary().has(String(subscript->attribute->name))) {
Variant value = base.value.operator Dictionary()[String(subscript->attribute->name)];
r_type = _type_from_variant(value);
found = true;
break;
}
const GDScriptParser::DictionaryNode *dn = nullptr;
if (subscript->base->type == GDScriptParser::Node::DICTIONARY) {
dn = static_cast<const GDScriptParser::DictionaryNode *>(subscript->base);
} else if (base.assigned_expression && base.assigned_expression->type == GDScriptParser::Node::DICTIONARY) {
dn = static_cast<const GDScriptParser::DictionaryNode *>(base.assigned_expression);
}
if (dn) {
for (int i = 0; i < dn->elements.size(); i++) {
GDScriptCompletionIdentifier key;
if (!_guess_expression_type(c, dn->elements[i].key, key)) {
continue;
}
if (key.value == String(subscript->attribute->name)) {
r_type.assigned_expression = dn->elements[i].value;
found = _guess_expression_type(c, dn->elements[i].value, r_type);
break;
}
}
}
if (!found) {
found = _guess_identifier_type_from_base(c, base, subscript->attribute->name, r_type);
}
} else {
if (subscript->index == nullptr) {
found = false;
break;
}
GDScriptParser::CompletionContext c = p_context;
c.current_line = subscript->start_line;
GDScriptCompletionIdentifier base;
if (!_guess_expression_type(c, subscript->base, base)) {
found = false;
break;
}
GDScriptCompletionIdentifier index;
if (!_guess_expression_type(c, subscript->index, index)) {
found = false;
break;
}
if (base.value.in(index.value)) {
Variant value = base.value.get(index.value);
r_type = _type_from_variant(value);
found = true;
break;
}
// Look if it is a dictionary node.
const GDScriptParser::DictionaryNode *dn = nullptr;
if (subscript->base->type == GDScriptParser::Node::DICTIONARY) {
dn = static_cast<const GDScriptParser::DictionaryNode *>(subscript->base);
} else if (base.assigned_expression && base.assigned_expression->type == GDScriptParser::Node::DICTIONARY) {
dn = static_cast<const GDScriptParser::DictionaryNode *>(base.assigned_expression);
}
if (dn) {
for (int i = 0; i < dn->elements.size(); i++) {
GDScriptCompletionIdentifier key;
if (!_guess_expression_type(c, dn->elements[i].key, key)) {
continue;
}
if (key.value == index.value) {
r_type.assigned_expression = dn->elements[i].value;
found = _guess_expression_type(p_context, dn->elements[i].value, r_type);
break;
}
}
}
// Look if it is an array node.
if (!found && index.value.is_num()) {
int idx = index.value;
const GDScriptParser::ArrayNode *an = nullptr;
if (subscript->base->type == GDScriptParser::Node::ARRAY) {
an = static_cast<const GDScriptParser::ArrayNode *>(subscript->base);
} else if (base.assigned_expression && base.assigned_expression->type == GDScriptParser::Node::ARRAY) {
an = static_cast<const GDScriptParser::ArrayNode *>(base.assigned_expression);
}
if (an && idx >= 0 && an->elements.size() > idx) {
r_type.assigned_expression = an->elements[idx];
found = _guess_expression_type(c, an->elements[idx], r_type);
break;
}
}
// Look for valid indexing in other types
if (!found && (index.value.get_type() == Variant::STRING || index.value.get_type() == Variant::NODE_PATH)) {
StringName id = index.value;
found = _guess_identifier_type_from_base(c, base, id, r_type);
} else if (!found && index.type.kind == GDScriptParser::DataType::BUILTIN) {
Callable::CallError err;
Variant base_val;
Variant::construct(base.type.builtin_type, base_val, nullptr, 0, err);
bool valid = false;
Variant res = base_val.get(index.value, &valid);
if (valid) {
r_type = _type_from_variant(res);
r_type.value = Variant();
r_type.type.is_constant = false;
found = true;
}
}
}
} break;
case GDScriptParser::Node::BINARY_OPERATOR: {
const GDScriptParser::BinaryOpNode *op = static_cast<const GDScriptParser::BinaryOpNode *>(p_expression);
if (op->variant_op == Variant::OP_MAX) {
break;
}
GDScriptParser::CompletionContext context = p_context;
context.current_line = op->start_line;
GDScriptCompletionIdentifier p1;
GDScriptCompletionIdentifier p2;
if (!_guess_expression_type(context, op->left_operand, p1)) {
found = false;
break;
}
if (!_guess_expression_type(context, op->right_operand, p2)) {
found = false;
break;
}
Callable::CallError ce;
bool v1_use_value = p1.value.get_type() != Variant::NIL && p1.value.get_type() != Variant::OBJECT;
Variant d1;
Variant::construct(p1.type.builtin_type, d1, nullptr, 0, ce);
Variant d2;
Variant::construct(p2.type.builtin_type, d2, nullptr, 0, ce);
Variant v1 = (v1_use_value) ? p1.value : d1;
bool v2_use_value = p2.value.get_type() != Variant::NIL && p2.value.get_type() != Variant::OBJECT;
Variant v2 = (v2_use_value) ? p2.value : d2;
// avoid potential invalid ops
if ((op->variant_op == Variant::OP_DIVIDE || op->variant_op == Variant::OP_MODULE) && v2.get_type() == Variant::INT) {
v2 = 1;
v2_use_value = false;
}
if (op->variant_op == Variant::OP_DIVIDE && v2.get_type() == Variant::FLOAT) {
v2 = 1.0;
v2_use_value = false;
}
Variant res;
bool valid;
Variant::evaluate(op->variant_op, v1, v2, res, valid);
if (!valid) {
found = false;
break;
}
r_type = _type_from_variant(res);
if (!v1_use_value || !v2_use_value) {
r_type.value = Variant();
r_type.type.is_constant = false;
}
found = true;
} break;
default:
break;
}
}
// It may have found a null, but that's never useful
if (found && r_type.type.kind == GDScriptParser::DataType::BUILTIN && r_type.type.builtin_type == Variant::NIL) {
found = false;
}
// Check type hint last. For collections we want chance to get the actual value first
// This way we can detect types from the content of dictionaries and arrays
if (!found && p_expression->get_datatype().is_hard_type()) {
r_type.type = p_expression->get_datatype();
if (!r_type.assigned_expression) {
r_type.assigned_expression = p_expression;
}
found = true;
}
return found;
}
static bool _guess_identifier_type(GDScriptParser::CompletionContext &p_context, const StringName &p_identifier, GDScriptCompletionIdentifier &r_type) {
// Look in blocks first.
int last_assign_line = -1;
const GDScriptParser::ExpressionNode *last_assigned_expression = nullptr;
GDScriptParser::DataType id_type;
GDScriptParser::SuiteNode *suite = p_context.current_suite;
bool is_function_parameter = false;
if (suite) {
if (suite->has_local(p_identifier)) {
const GDScriptParser::SuiteNode::Local &local = suite->get_local(p_identifier);
id_type = local.get_datatype();
// Check initializer as the first assignment.
switch (local.type) {
case GDScriptParser::SuiteNode::Local::VARIABLE:
if (local.variable->initializer) {
last_assign_line = local.variable->initializer->end_line;
last_assigned_expression = local.variable->initializer;
}
break;
case GDScriptParser::SuiteNode::Local::CONSTANT:
if (local.constant->initializer) {
last_assign_line = local.constant->initializer->end_line;
last_assigned_expression = local.constant->initializer;
}
break;
case GDScriptParser::SuiteNode::Local::PARAMETER:
if (local.parameter->default_value) {
last_assign_line = local.parameter->default_value->end_line;
last_assigned_expression = local.parameter->default_value;
}
is_function_parameter = true;
break;
default:
break;
}
}
}
while (suite) {
for (int i = 0; i < suite->statements.size(); i++) {
if (suite->statements[i]->start_line > p_context.current_line) {
break;
}
switch (suite->statements[i]->type) {
case GDScriptParser::Node::ASSIGNMENT: {
const GDScriptParser::AssignmentNode *assign = static_cast<const GDScriptParser::AssignmentNode *>(suite->statements[i]);
if (assign->end_line > last_assign_line && assign->assignee && assign->assigned_value && assign->assignee->type == GDScriptParser::Node::IDENTIFIER) {
const GDScriptParser::IdentifierNode *id = static_cast<const GDScriptParser::IdentifierNode *>(assign->assignee);
if (id->name == p_identifier) {
last_assign_line = assign->assigned_value->end_line;
last_assigned_expression = assign->assigned_value;
}
}
} break;
default:
// TODO: Check sub blocks (control flow statements) as they might also reassign stuff.
break;
}
}
if (suite->parent_if && suite->parent_if->condition && suite->parent_if->condition->type == GDScriptParser::Node::BINARY_OPERATOR && static_cast<const GDScriptParser::BinaryOpNode *>(suite->parent_if->condition)->operation == GDScriptParser::BinaryOpNode::OP_TYPE_TEST) {
// Operator `is` used, check if identifier is in there! this helps resolve in blocks that are (if (identifier is value)): which are very common..
// Super dirty hack, but very useful.
// Credit: Zylann.
// TODO: this could be hacked to detect ANDed conditions too...
const GDScriptParser::BinaryOpNode *op = static_cast<const GDScriptParser::BinaryOpNode *>(suite->parent_if->condition);
if (op->left_operand && op->right_operand && op->left_operand->type == GDScriptParser::Node::IDENTIFIER && static_cast<const GDScriptParser::IdentifierNode *>(op->left_operand)->name == p_identifier) {
// Bingo.
GDScriptParser::CompletionContext c = p_context;
c.current_line = op->left_operand->start_line;
c.current_suite = suite;
GDScriptCompletionIdentifier is_type;
if (_guess_expression_type(c, op->right_operand, is_type)) {
id_type = is_type.type;
id_type.is_meta_type = false;
if (last_assign_line < c.current_line) {
// Override last assignment.
last_assign_line = c.current_line;
last_assigned_expression = nullptr;
}
}
}
}
suite = suite->parent_block;
}
if (last_assigned_expression && last_assign_line != p_context.current_line) {
GDScriptParser::CompletionContext c = p_context;
c.current_line = last_assign_line;
r_type.assigned_expression = last_assigned_expression;
if (_guess_expression_type(c, last_assigned_expression, r_type)) {
return true;
}
}
if (is_function_parameter && p_context.current_function && p_context.current_class) {
// Check if it's override of native function, then we can assume the type from the signature.
GDScriptParser::DataType base_type = p_context.current_class->base_type;
while (base_type.is_set()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS:
if (base_type.class_type->has_function(p_context.current_function->identifier->name)) {
GDScriptParser::FunctionNode *parent_function = base_type.class_type->get_member(p_context.current_function->identifier->name).function;
const GDScriptParser::ParameterNode *parameter = parent_function->parameters[parent_function->parameters_indices[p_identifier]];
if ((!id_type.is_set() || id_type.is_variant()) && parameter->get_datatype().is_hard_type()) {
id_type = parameter->get_datatype();
}
if (parameter->default_value) {
GDScriptParser::CompletionContext c = p_context;
c.current_function = parent_function;
c.current_class = base_type.class_type;
c.base = nullptr;
if (_guess_expression_type(c, parameter->default_value, r_type)) {
return true;
}
}
}
base_type = base_type.class_type->base_type;
break;
case GDScriptParser::DataType::NATIVE: {
if (id_type.is_set() && !id_type.is_variant()) {
base_type = GDScriptParser::DataType();
break;
}
StringName real_native = GDScriptParser::get_real_class_name(base_type.native_type);
MethodInfo info;
if (ClassDB::get_method_info(real_native, p_context.current_function->identifier->name, &info)) {
for (const List<PropertyInfo>::Element *E = info.arguments.front(); E; E = E->next()) {
if (E->get().name == p_identifier) {
r_type = _type_from_property(E->get());
return true;
}
}
}
base_type = GDScriptParser::DataType();
} break;
default:
break;
}
}
}
if (id_type.is_set() && !id_type.is_variant()) {
r_type.type = id_type;
return true;
}
// Check current class (including inheritance).
if (p_context.current_class) {
GDScriptCompletionIdentifier base;
base.value = p_context.base;
base.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
base.type.kind = GDScriptParser::DataType::CLASS;
base.type.class_type = p_context.current_class;
base.type.is_meta_type = p_context.current_function && p_context.current_function->is_static;
if (_guess_identifier_type_from_base(p_context, base, p_identifier, r_type)) {
return true;
}
}
// Check global scripts.
if (ScriptServer::is_global_class(p_identifier)) {
String script = ScriptServer::get_global_class_path(p_identifier);
if (script.to_lower().ends_with(".gd")) {
Error err = OK;
Ref<GDScriptParserRef> parser = GDScriptCache::get_parser(script, GDScriptParserRef::INTERFACE_SOLVED, err);
if (err == OK) {
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.script_path = script;
r_type.type.class_type = parser->get_parser()->get_tree();
r_type.type.is_constant = false;
r_type.type.kind = GDScriptParser::DataType::CLASS;
r_type.value = Variant();
p_context.dependent_parsers.push_back(parser);
return true;
}
} else {
Ref<Script> scr = ResourceLoader::load(ScriptServer::get_global_class_path(p_identifier));
if (scr.is_valid()) {
r_type = _type_from_variant(scr);
r_type.type.is_meta_type = true;
return true;
}
}
return false;
}
// Check autoloads.
if (ProjectSettings::get_singleton()->has_autoload(p_identifier)) {
r_type = _type_from_variant(GDScriptLanguage::get_singleton()->get_named_globals_map()[p_identifier]);
return true;
}
// Check ClassDB.
StringName class_name = GDScriptParser::get_real_class_name(p_identifier);
if (ClassDB::class_exists(class_name) && ClassDB::is_class_exposed(class_name)) {
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::NATIVE;
r_type.type.native_type = p_identifier;
r_type.type.is_constant = true;
r_type.type.is_meta_type = !Engine::get_singleton()->has_singleton(class_name);
r_type.value = Variant();
}
return false;
}
static bool _guess_identifier_type_from_base(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_identifier, GDScriptCompletionIdentifier &r_type) {
GDScriptParser::DataType base_type = p_base.type;
bool is_static = base_type.is_meta_type;
while (base_type.is_set()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS:
if (base_type.class_type->has_member(p_identifier)) {
const GDScriptParser::ClassNode::Member &member = base_type.class_type->get_member(p_identifier);
switch (member.type) {
case GDScriptParser::ClassNode::Member::CONSTANT:
r_type.type = member.constant->get_datatype();
if (member.constant->initializer && member.constant->initializer->is_constant) {
r_type.value = member.constant->initializer->reduced_value;
}
return true;
case GDScriptParser::ClassNode::Member::VARIABLE:
if (!is_static) {
if (member.variable->initializer) {
const GDScriptParser::ExpressionNode *init = member.variable->initializer;
if (init->is_constant) {
r_type.value = init->reduced_value;
r_type = _type_from_variant(init->reduced_value);
return true;
} else if (init->start_line == p_context.current_line) {
return false;
} else if (_guess_expression_type(p_context, init, r_type)) {
return true;
} else if (init->get_datatype().is_set() && !init->get_datatype().is_variant()) {
r_type.type = init->get_datatype();
return true;
}
} else if (member.variable->get_datatype().is_set() && !member.variable->get_datatype().is_variant()) {
r_type.type = member.variable->get_datatype();
return true;
}
}
// TODO: Check assignments in constructor.
return false;
case GDScriptParser::ClassNode::Member::ENUM:
r_type.type = member.m_enum->get_datatype();
r_type.enumeration = member.m_enum->identifier->name;
return true;
case GDScriptParser::ClassNode::Member::ENUM_VALUE:
r_type = _type_from_variant(member.enum_value.value);
return true;
case GDScriptParser::ClassNode::Member::SIGNAL:
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::BUILTIN;
r_type.type.builtin_type = Variant::SIGNAL;
return true;
case GDScriptParser::ClassNode::Member::FUNCTION:
if (is_static && !member.function->is_static) {
return false;
}
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::BUILTIN;
r_type.type.builtin_type = Variant::CALLABLE;
return true;
case GDScriptParser::ClassNode::Member::CLASS:
r_type.type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
r_type.type.kind = GDScriptParser::DataType::CLASS;
r_type.type.class_type = member.m_class;
return true;
case GDScriptParser::ClassNode::Member::UNDEFINED:
return false; // Unreachable.
}
return false;
}
base_type = base_type.class_type->base_type;
break;
case GDScriptParser::DataType::SCRIPT: {
Ref<Script> scr = base_type.script_type;
if (scr.is_valid()) {
Map<StringName, Variant> constants;
scr->get_constants(&constants);
if (constants.has(p_identifier)) {
r_type = _type_from_variant(constants[p_identifier]);
return true;
}
if (!is_static) {
List<PropertyInfo> members;
scr->get_script_property_list(&members);
for (const List<PropertyInfo>::Element *E = members.front(); E; E = E->next()) {
const PropertyInfo &prop = E->get();
if (prop.name == p_identifier) {
r_type = _type_from_property(prop);
return true;
}
}
}
Ref<Script> parent = scr->get_base_script();
if (parent.is_valid()) {
base_type.script_type = parent;
} else {
base_type.kind = GDScriptParser::DataType::NATIVE;
base_type.native_type = scr->get_instance_base_type();
}
} else {
return false;
}
} break;
case GDScriptParser::DataType::NATIVE: {
StringName class_name = GDScriptParser::get_real_class_name(base_type.native_type);
if (!ClassDB::class_exists(class_name)) {
return false;
}
// Skip constants since they're all integers. Type does not matter because int has no members.
PropertyInfo prop;
if (ClassDB::get_property_info(class_name, p_identifier, &prop)) {
StringName getter = ClassDB::get_property_getter(class_name, p_identifier);
if (getter != StringName()) {
MethodBind *g = ClassDB::get_method(class_name, getter);
if (g) {
r_type = _type_from_property(g->get_return_info());
return true;
}
} else {
r_type = _type_from_property(prop);
return true;
}
}
return false;
} break;
case GDScriptParser::DataType::BUILTIN: {
Callable::CallError err;
Variant tmp;
Variant::construct(base_type.builtin_type, tmp, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
return false;
}
bool valid = false;
Variant res = tmp.get(p_identifier, &valid);
if (valid) {
r_type = _type_from_variant(res);
r_type.value = Variant();
r_type.type.is_constant = false;
return true;
}
return false;
} break;
default: {
return false;
} break;
}
}
return false;
}
static void _find_last_return_in_block(GDScriptParser::CompletionContext &p_context, int &r_last_return_line, const GDScriptParser::ExpressionNode **r_last_returned_value) {
if (!p_context.current_suite) {
return;
}
for (int i = 0; i < p_context.current_suite->statements.size(); i++) {
if (p_context.current_suite->statements[i]->start_line < r_last_return_line) {
break;
}
GDScriptParser::CompletionContext c = p_context;
switch (p_context.current_suite->statements[i]->type) {
case GDScriptParser::Node::FOR:
c.current_suite = static_cast<const GDScriptParser::ForNode *>(p_context.current_suite->statements[i])->loop;
_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
break;
case GDScriptParser::Node::WHILE:
c.current_suite = static_cast<const GDScriptParser::WhileNode *>(p_context.current_suite->statements[i])->loop;
_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
break;
case GDScriptParser::Node::IF: {
const GDScriptParser::IfNode *_if = static_cast<const GDScriptParser::IfNode *>(p_context.current_suite->statements[i]);
c.current_suite = _if->true_block;
_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
if (_if->false_block) {
c.current_suite = _if->false_block;
_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
}
} break;
case GDScriptParser::Node::MATCH: {
const GDScriptParser::MatchNode *match = static_cast<const GDScriptParser::MatchNode *>(p_context.current_suite->statements[i]);
for (int j = 0; j < match->branches.size(); j++) {
c.current_suite = match->branches[j]->block;
_find_last_return_in_block(c, r_last_return_line, r_last_returned_value);
}
} break;
case GDScriptParser::Node::RETURN: {
const GDScriptParser::ReturnNode *ret = static_cast<const GDScriptParser::ReturnNode *>(p_context.current_suite->statements[i]);
if (ret->return_value) {
if (ret->start_line > r_last_return_line) {
r_last_return_line = ret->start_line;
*r_last_returned_value = ret->return_value;
}
}
} break;
default:
break;
}
}
}
static bool _guess_method_return_type_from_base(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_method, GDScriptCompletionIdentifier &r_type) {
GDScriptParser::DataType base_type = p_base.type;
bool is_static = base_type.is_meta_type;
if (is_static && p_method == "new") {
r_type.type = base_type;
r_type.type.is_meta_type = false;
r_type.type.is_constant = false;
return true;
}
while (base_type.is_set() && !base_type.is_variant()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS:
if (base_type.class_type->has_function(p_method)) {
const GDScriptParser::FunctionNode *method = base_type.class_type->get_member(p_method).function;
if (!is_static || method->is_static) {
int last_return_line = -1;
const GDScriptParser::ExpressionNode *last_returned_value = nullptr;
GDScriptParser::CompletionContext c = p_context;
c.current_class = base_type.class_type;
c.current_function = const_cast<GDScriptParser::FunctionNode *>(method);
c.current_suite = method->body;
_find_last_return_in_block(c, last_return_line, &last_returned_value);
if (last_returned_value) {
c.current_line = c.current_suite->end_line;
if (_guess_expression_type(c, last_returned_value, r_type)) {
return true;
}
if (method->get_datatype().is_set() && !method->get_datatype().is_variant()) {
r_type.type = method->get_datatype();
return true;
}
}
}
}
base_type = base_type.class_type->base_type;
break;
case GDScriptParser::DataType::SCRIPT: {
Ref<Script> scr = base_type.script_type;
if (scr.is_valid()) {
List<MethodInfo> methods;
scr->get_script_method_list(&methods);
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
MethodInfo &mi = E->get();
if (mi.name == p_method) {
r_type = _type_from_property(mi.return_val);
return true;
}
}
Ref<Script> base_script = scr->get_base_script();
if (base_script.is_valid()) {
base_type.script_type = base_script;
} else {
base_type.kind = GDScriptParser::DataType::NATIVE;
base_type.native_type = scr->get_instance_base_type();
}
} else {
return false;
}
} break;
case GDScriptParser::DataType::NATIVE: {
StringName native = GDScriptParser::get_real_class_name(base_type.native_type);
if (!ClassDB::class_exists(native)) {
return false;
}
MethodBind *mb = ClassDB::get_method(native, p_method);
if (mb) {
r_type = _type_from_property(mb->get_return_info());
return true;
}
return false;
} break;
case GDScriptParser::DataType::BUILTIN: {
Callable::CallError err;
Variant tmp;
Variant::construct(base_type.builtin_type, tmp, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
return false;
}
List<MethodInfo> methods;
tmp.get_method_list(&methods);
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
MethodInfo &mi = E->get();
if (mi.name == p_method) {
r_type = _type_from_property(mi.return_val);
return true;
}
}
return false;
} break;
default: {
return false;
}
}
}
return false;
}
static void _find_enumeration_candidates(GDScriptParser::CompletionContext &p_context, const String &p_enum_hint, Map<String, ScriptCodeCompletionOption> &r_result) {
if (p_enum_hint.find(".") == -1) {
// Global constant or in the current class.
StringName current_enum = p_enum_hint;
if (p_context.current_class && p_context.current_class->has_member(current_enum) && p_context.current_class->get_member(current_enum).type == GDScriptParser::ClassNode::Member::ENUM) {
const GDScriptParser::EnumNode *_enum = p_context.current_class->get_member(current_enum).m_enum;
for (int i = 0; i < _enum->values.size(); i++) {
ScriptCodeCompletionOption option(_enum->values[i].identifier->name, ScriptCodeCompletionOption::KIND_ENUM);
r_result.insert(option.display, option);
}
} else {
for (int i = 0; i < CoreConstants::get_global_constant_count(); i++) {
if (CoreConstants::get_global_constant_enum(i) == current_enum) {
ScriptCodeCompletionOption option(CoreConstants::get_global_constant_name(i), ScriptCodeCompletionOption::KIND_ENUM);
r_result.insert(option.display, option);
}
}
}
} else {
String class_name = p_enum_hint.get_slice(".", 0);
String enum_name = p_enum_hint.get_slice(".", 1);
if (!ClassDB::class_exists(class_name)) {
return;
}
List<StringName> enum_constants;
ClassDB::get_enum_constants(class_name, enum_name, &enum_constants);
for (List<StringName>::Element *E = enum_constants.front(); E; E = E->next()) {
String candidate = class_name + "." + E->get();
ScriptCodeCompletionOption option(candidate, ScriptCodeCompletionOption::KIND_ENUM);
r_result.insert(option.display, option);
}
}
}
static void _find_call_arguments(GDScriptParser::CompletionContext &p_context, const GDScriptCompletionIdentifier &p_base, const StringName &p_method, int p_argidx, bool p_static, Map<String, ScriptCodeCompletionOption> &r_result, String &r_arghint) {
Variant base = p_base.value;
GDScriptParser::DataType base_type = p_base.type;
const String quote_style = EDITOR_DEF("text_editor/completion/use_single_quotes", false) ? "'" : "\"";
while (base_type.is_set() && !base_type.is_variant()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS: {
if (base_type.class_type->has_member(p_method)) {
const GDScriptParser::ClassNode::Member &member = base_type.class_type->get_member(p_method);
if (member.type == GDScriptParser::ClassNode::Member::FUNCTION) {
r_arghint = _make_arguments_hint(member.function, p_argidx);
return;
}
}
base_type = base_type.class_type->base_type;
} break;
case GDScriptParser::DataType::NATIVE: {
StringName class_name = GDScriptParser::get_real_class_name(base_type.native_type);
if (!ClassDB::class_exists(class_name)) {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
break;
}
MethodInfo info;
int method_args = 0;
if (ClassDB::get_method_info(class_name, p_method, &info)) {
method_args = info.arguments.size();
if (base.get_type() == Variant::OBJECT) {
Object *obj = base.operator Object *();
if (obj) {
List<String> options;
obj->get_argument_options(p_method, p_argidx, &options);
for (List<String>::Element *F = options.front(); F; F = F->next()) {
ScriptCodeCompletionOption option(F->get(), ScriptCodeCompletionOption::KIND_FUNCTION);
r_result.insert(option.display, option);
}
}
}
if (p_argidx < method_args) {
PropertyInfo arg_info = info.arguments[p_argidx];
if (arg_info.usage & PROPERTY_USAGE_CLASS_IS_ENUM) {
_find_enumeration_candidates(p_context, arg_info.class_name, r_result);
}
}
r_arghint = _make_arguments_hint(info, p_argidx);
}
if (p_argidx == 0 && ClassDB::is_parent_class(class_name, "Node") && (p_method == "get_node" || p_method == "has_node")) {
// Get autoloads
List<PropertyInfo> props;
ProjectSettings::get_singleton()->get_property_list(&props);
for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
String s = E->get().name;
if (!s.begins_with("autoload/")) {
continue;
}
String name = s.get_slice("/", 1);
ScriptCodeCompletionOption option("/root/" + name, ScriptCodeCompletionOption::KIND_NODE_PATH);
option.insert_text = quote_style + option.display + quote_style;
r_result.insert(option.display, option);
}
}
if (p_argidx == 0 && method_args > 0 && ClassDB::is_parent_class(class_name, "InputEvent") && p_method.operator String().find("action") != -1) {
// Get input actions
List<PropertyInfo> props;
ProjectSettings::get_singleton()->get_property_list(&props);
for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
String s = E->get().name;
if (!s.begins_with("input/")) {
continue;
}
String name = s.get_slice("/", 1);
ScriptCodeCompletionOption option(name, ScriptCodeCompletionOption::KIND_CONSTANT);
option.insert_text = quote_style + option.display + quote_style;
r_result.insert(option.display, option);
}
}
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
} break;
case GDScriptParser::DataType::BUILTIN: {
if (base.get_type() == Variant::NIL) {
Callable::CallError err;
Variant::construct(base_type.builtin_type, base, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
return;
}
}
List<MethodInfo> methods;
base.get_method_list(&methods);
for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
if (E->get().name == p_method) {
r_arghint = _make_arguments_hint(E->get(), p_argidx);
return;
}
}
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
} break;
default: {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
} break;
}
}
}
static void _find_call_arguments(GDScriptParser::CompletionContext &p_context, const GDScriptParser::Node *p_call, int p_argidx, Map<String, ScriptCodeCompletionOption> &r_result, bool &r_forced, String &r_arghint) {
const String quote_style = EDITOR_DEF("text_editor/completion/use_single_quotes", false) ? "'" : "\"";
if (p_call->type == GDScriptParser::Node::PRELOAD) {
if (p_argidx == 0 && bool(EditorSettings::get_singleton()->get("text_editor/completion/complete_file_paths"))) {
_get_directory_contents(EditorFileSystem::get_singleton()->get_filesystem(), r_result);
}
MethodInfo mi(PropertyInfo(Variant::OBJECT, "resource", PROPERTY_HINT_RESOURCE_TYPE, "Resource"), "preload", PropertyInfo(Variant::STRING, "path"));
r_arghint = _make_arguments_hint(mi, p_argidx);
return;
} else if (p_call->type != GDScriptParser::Node::CALL) {
return;
}
Variant base;
GDScriptParser::DataType base_type;
bool _static = false;
const GDScriptParser::CallNode *call = static_cast<const GDScriptParser::CallNode *>(p_call);
GDScriptParser::Node::Type callee_type = call->get_callee_type();
GDScriptCompletionIdentifier connect_base;
if (GDScriptUtilityFunctions::function_exists(call->function_name)) {
MethodInfo info = GDScriptUtilityFunctions::get_function_info(call->function_name);
r_arghint = _make_arguments_hint(info, p_argidx);
return;
} else if (GDScriptParser::get_builtin_type(call->function_name) < Variant::VARIANT_MAX) {
// Complete constructor
List<MethodInfo> constructors;
Variant::get_constructor_list(GDScriptParser::get_builtin_type(call->function_name), &constructors);
int i = 0;
for (List<MethodInfo>::Element *E = constructors.front(); E; E = E->next()) {
if (p_argidx >= E->get().arguments.size()) {
continue;
}
if (i > 0) {
r_arghint += "\n";
}
r_arghint += _make_arguments_hint(E->get(), p_argidx);
i++;
}
return;
} else if (call->is_super || callee_type == GDScriptParser::Node::IDENTIFIER) {
base = p_context.base;
if (p_context.current_class) {
base_type = p_context.current_class->get_datatype();
_static = !p_context.current_function || p_context.current_function->is_static;
}
} else if (callee_type == GDScriptParser::Node::SUBSCRIPT) {
const GDScriptParser::SubscriptNode *subscript = static_cast<const GDScriptParser::SubscriptNode *>(call->callee);
if (subscript->is_attribute) {
GDScriptCompletionIdentifier ci;
if (_guess_expression_type(p_context, subscript->base, ci)) {
base_type = ci.type;
base = ci.value;
} else {
return;
}
_static = base_type.is_meta_type;
}
} else {
return;
}
GDScriptCompletionIdentifier ci;
ci.type = base_type;
ci.value = base;
_find_call_arguments(p_context, ci, call->function_name, p_argidx, _static, r_result, r_arghint);
r_forced = r_result.size() > 0;
}
::Error GDScriptLanguage::complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint) {
const String quote_style = EDITOR_DEF("text_editor/completion/use_single_quotes", false) ? "'" : "\"";
GDScriptParser parser;
GDScriptAnalyzer analyzer(&parser);
parser.parse(p_code, p_path, true);
analyzer.analyze();
r_forced = false;
Map<String, ScriptCodeCompletionOption> options;
GDScriptParser::CompletionContext completion_context = parser.get_completion_context();
completion_context.base = p_owner;
bool is_function = false;
switch (completion_context.type) {
case GDScriptParser::COMPLETION_NONE:
break;
case GDScriptParser::COMPLETION_ANNOTATION: {
List<MethodInfo> annotations;
parser.get_annotation_list(&annotations);
for (const List<MethodInfo>::Element *E = annotations.front(); E != nullptr; E = E->next()) {
ScriptCodeCompletionOption option(E->get().name.substr(1), ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
if (E->get().arguments.size() > 0) {
option.insert_text += "(";
}
options.insert(option.display, option);
}
r_forced = true;
} break;
case GDScriptParser::COMPLETION_ANNOTATION_ARGUMENTS: {
if (completion_context.node == nullptr || completion_context.node->type != GDScriptParser::Node::ANNOTATION) {
break;
}
const GDScriptParser::AnnotationNode *annotation = static_cast<const GDScriptParser::AnnotationNode *>(completion_context.node);
_find_annotation_arguments(annotation, completion_context.current_argument, quote_style, options);
r_forced = true;
} break;
case GDScriptParser::COMPLETION_BUILT_IN_TYPE_CONSTANT: {
List<StringName> constants;
Variant::get_constants_for_type(completion_context.builtin_type, &constants);
for (const List<StringName>::Element *E = constants.front(); E != nullptr; E = E->next()) {
ScriptCodeCompletionOption option(E->get(), ScriptCodeCompletionOption::KIND_CONSTANT);
bool valid = false;
Variant default_value = Variant::get_constant_value(completion_context.builtin_type, E->get(), &valid);
if (valid) {
option.default_value = default_value;
}
options.insert(option.display, option);
}
} break;
case GDScriptParser::COMPLETION_INHERIT_TYPE: {
_list_available_types(true, completion_context, options);
r_forced = true;
} break;
case GDScriptParser::COMPLETION_TYPE_NAME_OR_VOID: {
ScriptCodeCompletionOption option("void", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
options.insert(option.display, option);
}
[[fallthrough]];
case GDScriptParser::COMPLETION_TYPE_NAME: {
_list_available_types(false, completion_context, options);
r_forced = true;
} break;
case GDScriptParser::COMPLETION_PROPERTY_DECLARATION_OR_TYPE: {
_list_available_types(false, completion_context, options);
ScriptCodeCompletionOption get("get", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
options.insert(get.display, get);
ScriptCodeCompletionOption set("set", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
options.insert(set.display, set);
r_forced = true;
} break;
case GDScriptParser::COMPLETION_PROPERTY_DECLARATION: {
ScriptCodeCompletionOption get("get", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
options.insert(get.display, get);
ScriptCodeCompletionOption set("set", ScriptCodeCompletionOption::KIND_PLAIN_TEXT);
options.insert(set.display, set);
r_forced = true;
} break;
case GDScriptParser::COMPLETION_PROPERTY_METHOD: {
if (!completion_context.current_class) {
break;
}
for (int i = 0; i < completion_context.current_class->members.size(); i++) {
const GDScriptParser::ClassNode::Member &member = completion_context.current_class->members[i];
if (member.type != GDScriptParser::ClassNode::Member::FUNCTION) {
continue;
}
if (member.function->is_static) {
continue;
}
ScriptCodeCompletionOption option(member.function->identifier->name, ScriptCodeCompletionOption::KIND_FUNCTION);
options.insert(option.display, option);
}
r_forced = true;
} break;
case GDScriptParser::COMPLETION_ASSIGN: {
GDScriptCompletionIdentifier type;
if (!completion_context.node || completion_context.node->type != GDScriptParser::Node::ASSIGNMENT) {
break;
}
if (!_guess_expression_type(completion_context, static_cast<const GDScriptParser::AssignmentNode *>(completion_context.node)->assignee, type)) {
_find_identifiers(completion_context, false, options, 0);
r_forced = true;
break;
}
if (!type.enumeration.is_empty()) {
_find_enumeration_candidates(completion_context, type.enumeration, options);
r_forced = options.size() > 0;
} else {
_find_identifiers(completion_context, false, options, 0);
r_forced = true;
}
} break;
case GDScriptParser::COMPLETION_METHOD:
is_function = true;
[[fallthrough]];
case GDScriptParser::COMPLETION_IDENTIFIER: {
_find_identifiers(completion_context, is_function, options, 0);
} break;
case GDScriptParser::COMPLETION_ATTRIBUTE_METHOD:
is_function = true;
[[fallthrough]];
case GDScriptParser::COMPLETION_ATTRIBUTE: {
r_forced = true;
const GDScriptParser::SubscriptNode *attr = static_cast<const GDScriptParser::SubscriptNode *>(completion_context.node);
if (attr->base) {
GDScriptCompletionIdentifier base;
if (!_guess_expression_type(completion_context, attr->base, base)) {
break;
}
_find_identifiers_in_base(base, is_function, options, 0);
}
} break;
case GDScriptParser::COMPLETION_SUBSCRIPT: {
const GDScriptParser::SubscriptNode *subscript = static_cast<const GDScriptParser::SubscriptNode *>(completion_context.node);
GDScriptCompletionIdentifier base;
if (!_guess_expression_type(completion_context, subscript->base, base)) {
break;
}
GDScriptParser::CompletionContext c = completion_context;
c.current_function = nullptr;
c.current_suite = nullptr;
c.base = base.value.get_type() == Variant::OBJECT ? base.value.operator Object *() : nullptr;
if (base.type.kind == GDScriptParser::DataType::CLASS) {
c.current_class = base.type.class_type;
} else {
c.current_class = nullptr;
}
_find_identifiers_in_base(base, false, options, 0);
} break;
case GDScriptParser::COMPLETION_TYPE_ATTRIBUTE: {
if (!completion_context.current_class) {
break;
}
const GDScriptParser::TypeNode *type = static_cast<const GDScriptParser::TypeNode *>(completion_context.node);
bool found = true;
GDScriptCompletionIdentifier base;
base.type.kind = GDScriptParser::DataType::CLASS;
base.type.type_source = GDScriptParser::DataType::INFERRED;
base.type.is_constant = true;
base.type.class_type = completion_context.current_class;
base.value = completion_context.base;
for (int i = 0; i < completion_context.current_argument; i++) {
GDScriptCompletionIdentifier ci;
if (!_guess_identifier_type_from_base(completion_context, base, type->type_chain[i]->name, ci)) {
found = false;
break;
}
base = ci;
}
// TODO: Improve this to only list types.
if (found) {
_find_identifiers_in_base(base, false, options, 0);
}
r_forced = true;
} break;
case GDScriptParser::COMPLETION_RESOURCE_PATH: {
if (EditorSettings::get_singleton()->get("text_editor/completion/complete_file_paths")) {
_get_directory_contents(EditorFileSystem::get_singleton()->get_filesystem(), options);
r_forced = true;
}
} break;
case GDScriptParser::COMPLETION_CALL_ARGUMENTS: {
if (!completion_context.node) {
break;
}
_find_call_arguments(completion_context, completion_context.node, completion_context.current_argument, options, r_forced, r_call_hint);
} break;
case GDScriptParser::COMPLETION_OVERRIDE_METHOD: {
GDScriptParser::DataType native_type = completion_context.current_class->base_type;
while (native_type.is_set() && native_type.kind != GDScriptParser::DataType::NATIVE) {
switch (native_type.kind) {
case GDScriptParser::DataType::CLASS: {
native_type = native_type.class_type->base_type;
} break;
default: {
native_type.kind = GDScriptParser::DataType::UNRESOLVED;
} break;
}
}
if (!native_type.is_set()) {
break;
}
StringName class_name = GDScriptParser::get_real_class_name(native_type.native_type);
if (!ClassDB::class_exists(class_name)) {
break;
}
bool use_type_hint = EditorSettings::get_singleton()->get_setting("text_editor/completion/add_type_hints").operator bool();
List<MethodInfo> virtual_methods;
ClassDB::get_virtual_methods(class_name, &virtual_methods);
for (List<MethodInfo>::Element *E = virtual_methods.front(); E; E = E->next()) {
MethodInfo &mi = E->get();
String method_hint = mi.name;
if (method_hint.find(":") != -1) {
method_hint = method_hint.get_slice(":", 0);
}
method_hint += "(";
if (mi.arguments.size()) {
for (int i = 0; i < mi.arguments.size(); i++) {
if (i > 0) {
method_hint += ", ";
}
String arg = mi.arguments[i].name;
if (arg.find(":") != -1) {
arg = arg.substr(0, arg.find(":"));
}
method_hint += arg;
if (use_type_hint && mi.arguments[i].type != Variant::NIL) {
method_hint += ": ";
if (mi.arguments[i].type == Variant::OBJECT && mi.arguments[i].class_name != StringName()) {
method_hint += mi.arguments[i].class_name.operator String();
} else {
method_hint += Variant::get_type_name(mi.arguments[i].type);
}
}
}
}
method_hint += ")";
if (use_type_hint && (mi.return_val.type != Variant::NIL || !(mi.return_val.usage & PROPERTY_USAGE_NIL_IS_VARIANT))) {
method_hint += " -> ";
if (mi.return_val.type == Variant::NIL) {
method_hint += "void";
} else if (mi.return_val.type == Variant::OBJECT && mi.return_val.class_name != StringName()) {
method_hint += mi.return_val.class_name.operator String();
} else {
method_hint += Variant::get_type_name(mi.return_val.type);
}
}
method_hint += ":";
ScriptCodeCompletionOption option(method_hint, ScriptCodeCompletionOption::KIND_FUNCTION);
options.insert(option.display, option);
}
} break;
case GDScriptParser::COMPLETION_GET_NODE: {
if (p_owner) {
List<String> opts;
p_owner->get_argument_options("get_node", 0, &opts);
for (List<String>::Element *E = opts.front(); E; E = E->next()) {
String opt = E->get().strip_edges();
if (opt.is_quoted()) {
r_forced = true;
String idopt = opt.unquote();
if (idopt.replace("/", "_").is_valid_identifier()) {
ScriptCodeCompletionOption option(idopt, ScriptCodeCompletionOption::KIND_NODE_PATH);
options.insert(option.display, option);
} else {
ScriptCodeCompletionOption option(opt, ScriptCodeCompletionOption::KIND_NODE_PATH);
options.insert(option.display, option);
}
}
}
// Get autoloads.
Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
for (Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E; E = E->next()) {
String name = E->key();
ScriptCodeCompletionOption option(quote_style + "/root/" + name + quote_style, ScriptCodeCompletionOption::KIND_NODE_PATH);
options.insert(option.display, option);
}
}
} break;
case GDScriptParser::COMPLETION_SUPER_METHOD: {
if (!completion_context.current_class) {
break;
}
_find_identifiers_in_class(completion_context.current_class, true, false, true, options, 0);
} break;
}
for (Map<String, ScriptCodeCompletionOption>::Element *E = options.front(); E; E = E->next()) {
r_options->push_back(E->get());
}
return OK;
}
#else
Error GDScriptLanguage::complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint) {
return OK;
}
#endif
//////// END COMPLETION //////////
String GDScriptLanguage::_get_indentation() const {
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
bool use_space_indentation = EDITOR_DEF("text_editor/indent/type", false);
if (use_space_indentation) {
int indent_size = EDITOR_DEF("text_editor/indent/size", 4);
String space_indent = "";
for (int i = 0; i < indent_size; i++) {
space_indent += " ";
}
return space_indent;
}
}
#endif
return "\t";
}
void GDScriptLanguage::auto_indent_code(String &p_code, int p_from_line, int p_to_line) const {
String indent = _get_indentation();
Vector<String> lines = p_code.split("\n");
List<int> indent_stack;
for (int i = 0; i < lines.size(); i++) {
String l = lines[i];
int tc = 0;
for (int j = 0; j < l.length(); j++) {
if (l[j] == ' ' || l[j] == '\t') {
tc++;
} else {
break;
}
}
String st = l.substr(tc, l.length()).strip_edges();
if (st == "" || st.begins_with("#")) {
continue; //ignore!
}
int ilevel = 0;
if (indent_stack.size()) {
ilevel = indent_stack.back()->get();
}
if (tc > ilevel) {
indent_stack.push_back(tc);
} else if (tc < ilevel) {
while (indent_stack.size() && indent_stack.back()->get() > tc) {
indent_stack.pop_back();
}
if (indent_stack.size() && indent_stack.back()->get() != tc) {
indent_stack.push_back(tc); //this is not right but gets the job done
}
}
if (i >= p_from_line) {
l = "";
for (int j = 0; j < indent_stack.size(); j++) {
l += indent;
}
l += st;
} else if (i > p_to_line) {
break;
}
lines.write[i] = l;
}
p_code = "";
for (int i = 0; i < lines.size(); i++) {
if (i > 0) {
p_code += "\n";
}
p_code += lines[i];
}
}
#ifdef TOOLS_ENABLED
static Error _lookup_symbol_from_base(const GDScriptParser::DataType &p_base, const String &p_symbol, bool p_is_function, GDScriptLanguage::LookupResult &r_result) {
GDScriptParser::DataType base_type = p_base;
while (base_type.is_set()) {
switch (base_type.kind) {
case GDScriptParser::DataType::CLASS: {
if (base_type.class_type) {
if (base_type.class_type->has_member(p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION;
r_result.location = base_type.class_type->get_member(p_symbol).get_line();
return OK;
}
base_type = base_type.class_type->base_type;
}
} break;
case GDScriptParser::DataType::SCRIPT: {
Ref<Script> scr = base_type.script_type;
if (scr.is_valid()) {
int line = scr->get_member_line(p_symbol);
if (line >= 0) {
r_result.type = ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION;
r_result.location = line;
r_result.script = scr;
return OK;
}
Ref<Script> base_script = scr->get_base_script();
if (base_script.is_valid()) {
base_type.script_type = base_script;
} else {
base_type.kind = GDScriptParser::DataType::NATIVE;
base_type.native_type = scr->get_instance_base_type();
}
} else {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
}
} break;
case GDScriptParser::DataType::NATIVE: {
StringName class_name = GDScriptParser::get_real_class_name(base_type.native_type);
if (!ClassDB::class_exists(class_name)) {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
break;
}
if (ClassDB::has_method(class_name, p_symbol, true)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_METHOD;
r_result.class_name = base_type.native_type;
r_result.class_member = p_symbol;
return OK;
}
List<MethodInfo> virtual_methods;
ClassDB::get_virtual_methods(class_name, &virtual_methods, true);
for (List<MethodInfo>::Element *E = virtual_methods.front(); E; E = E->next()) {
if (E->get().name == p_symbol) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_METHOD;
r_result.class_name = base_type.native_type;
r_result.class_member = p_symbol;
return OK;
}
}
StringName enum_name = ClassDB::get_integer_constant_enum(class_name, p_symbol, true);
if (enum_name != StringName()) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_ENUM;
r_result.class_name = base_type.native_type;
r_result.class_member = enum_name;
return OK;
}
List<String> constants;
ClassDB::get_integer_constant_list(class_name, &constants, true);
for (List<String>::Element *E = constants.front(); E; E = E->next()) {
if (E->get() == p_symbol) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = base_type.native_type;
r_result.class_member = p_symbol;
return OK;
}
}
if (ClassDB::has_property(class_name, p_symbol, true)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_PROPERTY;
r_result.class_name = base_type.native_type;
r_result.class_member = p_symbol;
return OK;
}
StringName parent = ClassDB::get_parent_class(class_name);
if (parent != StringName()) {
if (String(parent).begins_with("_")) {
base_type.native_type = String(parent).substr(1);
} else {
base_type.native_type = parent;
}
} else {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
}
} break;
case GDScriptParser::DataType::BUILTIN: {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
if (Variant::has_constant(base_type.builtin_type, p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = Variant::get_type_name(base_type.builtin_type);
r_result.class_member = p_symbol;
return OK;
}
Variant v;
REF v_ref;
if (base_type.builtin_type == Variant::OBJECT) {
v_ref.instantiate();
v = v_ref;
} else {
Callable::CallError err;
Variant::construct(base_type.builtin_type, v, nullptr, 0, err);
if (err.error != Callable::CallError::CALL_OK) {
break;
}
}
if (v.has_method(p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_METHOD;
r_result.class_name = Variant::get_type_name(base_type.builtin_type);
r_result.class_member = p_symbol;
return OK;
}
bool valid = false;
v.get(p_symbol, &valid);
if (valid) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_PROPERTY;
r_result.class_name = Variant::get_type_name(base_type.builtin_type);
r_result.class_member = p_symbol;
return OK;
}
} break;
default: {
base_type.kind = GDScriptParser::DataType::UNRESOLVED;
} break;
}
}
return ERR_CANT_RESOLVE;
}
::Error GDScriptLanguage::lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result) {
//before parsing, try the usual stuff
if (ClassDB::class_exists(p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS;
r_result.class_name = p_symbol;
return OK;
} else {
String under_prefix = "_" + p_symbol;
if (ClassDB::class_exists(under_prefix)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS;
r_result.class_name = p_symbol;
return OK;
}
}
for (int i = 0; i < Variant::VARIANT_MAX; i++) {
Variant::Type t = Variant::Type(i);
if (Variant::get_type_name(t) == p_symbol) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS;
r_result.class_name = Variant::get_type_name(t);
return OK;
}
}
if (GDScriptUtilityFunctions::function_exists(p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_METHOD;
r_result.class_name = "@GDScript";
r_result.class_member = p_symbol;
return OK;
}
if ("PI" == p_symbol || "TAU" == p_symbol || "INF" == p_symbol || "NAN" == p_symbol) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = "@GDScript";
r_result.class_member = p_symbol;
return OK;
}
GDScriptParser parser;
parser.parse(p_code, p_path, true);
GDScriptAnalyzer analyzer(&parser);
analyzer.analyze();
GDScriptParser::CompletionContext context = parser.get_completion_context();
if (context.current_class && context.current_class->extends.size() > 0) {
bool success = false;
ClassDB::get_integer_constant(context.current_class->extends[0], p_symbol, &success);
if (success) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = context.current_class->extends[0];
r_result.class_member = p_symbol;
return OK;
}
}
bool is_function = false;
switch (context.type) {
case GDScriptParser::COMPLETION_BUILT_IN_TYPE_CONSTANT: {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = Variant::get_type_name(context.builtin_type);
r_result.class_member = p_symbol;
return OK;
} break;
case GDScriptParser::COMPLETION_SUPER_METHOD:
case GDScriptParser::COMPLETION_METHOD: {
is_function = true;
[[fallthrough]];
}
case GDScriptParser::COMPLETION_CALL_ARGUMENTS:
case GDScriptParser::COMPLETION_IDENTIFIER: {
GDScriptParser::DataType base_type;
if (context.current_class) {
if (context.type != GDScriptParser::COMPLETION_SUPER_METHOD) {
base_type = context.current_class->get_datatype();
} else {
base_type = context.current_class->base_type;
}
} else {
break;
}
if (!is_function && context.current_suite) {
// Lookup local variables.
const GDScriptParser::SuiteNode *suite = context.current_suite;
while (suite) {
if (suite->has_local(p_symbol)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION;
r_result.location = suite->get_local(p_symbol).start_line;
return OK;
}
suite = suite->parent_block;
}
}
if (_lookup_symbol_from_base(base_type, p_symbol, is_function, r_result) == OK) {
return OK;
}
if (!is_function) {
// Guess in autoloads as singletons.
if (ProjectSettings::get_singleton()->has_autoload(p_symbol)) {
const ProjectSettings::AutoloadInfo &autoload = ProjectSettings::get_singleton()->get_autoload(p_symbol);
if (autoload.is_singleton) {
String script = autoload.path;
if (!script.ends_with(".gd")) {
// Not a script, try find the script anyway,
// may have some success.
script = script.get_basename() + ".gd";
}
if (FileAccess::exists(script)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION;
r_result.location = 0;
r_result.script = ResourceLoader::load(script);
return OK;
}
}
}
// Global.
Map<StringName, int> classes = GDScriptLanguage::get_singleton()->get_global_map();
if (classes.has(p_symbol)) {
Variant value = GDScriptLanguage::get_singleton()->get_global_array()[classes[p_symbol]];
if (value.get_type() == Variant::OBJECT) {
Object *obj = value;
if (obj) {
if (Object::cast_to<GDScriptNativeClass>(obj)) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS;
r_result.class_name = Object::cast_to<GDScriptNativeClass>(obj)->get_name();
} else {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS;
r_result.class_name = obj->get_class();
}
// proxy class remove the underscore.
if (r_result.class_name.begins_with("_")) {
r_result.class_name = r_result.class_name.substr(1);
}
return OK;
}
} else {
/*
// Because get_integer_constant_enum and get_integer_constant don't work on @GlobalScope
// We cannot determine the exact nature of the identifier here
// Otherwise these codes would work
StringName enumName = ClassDB::get_integer_constant_enum("@GlobalScope", p_symbol, true);
if (enumName != nullptr) {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_ENUM;
r_result.class_name = "@GlobalScope";
r_result.class_member = enumName;
return OK;
}
else {
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_CONSTANT;
r_result.class_name = "@GlobalScope";
r_result.class_member = p_symbol;
return OK;
}*/
r_result.type = ScriptLanguage::LookupResult::RESULT_CLASS_TBD_GLOBALSCOPE;
r_result.class_name = "@GlobalScope";
r_result.class_member = p_symbol;
return OK;
}
}
}
} break;
case GDScriptParser::COMPLETION_ATTRIBUTE_METHOD: {
is_function = true;
[[fallthrough]];
}
case GDScriptParser::COMPLETION_ATTRIBUTE: {
if (context.node->type != GDScriptParser::Node::SUBSCRIPT) {
break;
}
const GDScriptParser::SubscriptNode *subscript = static_cast<const GDScriptParser::SubscriptNode *>(context.node);
if (!subscript->is_attribute) {
break;
}
GDScriptCompletionIdentifier base;
if (!_guess_expression_type(context, subscript->base, base)) {
break;
}
if (_lookup_symbol_from_base(base.type, p_symbol, is_function, r_result) == OK) {
return OK;
}
} break;
case GDScriptParser::COMPLETION_OVERRIDE_METHOD: {
GDScriptParser::DataType base_type = context.current_class->base_type;
if (_lookup_symbol_from_base(base_type, p_symbol, true, r_result) == OK) {
return OK;
}
} break;
case GDScriptParser::COMPLETION_TYPE_NAME_OR_VOID:
case GDScriptParser::COMPLETION_TYPE_NAME: {
GDScriptParser::DataType base_type = context.current_class->get_datatype();
if (_lookup_symbol_from_base(base_type, p_symbol, false, r_result) == OK) {
return OK;
}
} break;
default: {
}
}
return ERR_CANT_RESOLVE;
}
#endif