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godot/modules/gdscript/language_server/gdscript_workspace.cpp

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/*************************************************************************/
/* gdscript_workspace.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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_workspace.h"
#include "../gdscript.h"
#include "../gdscript_parser.h"
#include "core/project_settings.h"
#include "core/script_language.h"
#include "editor/editor_help.h"
#include "gdscript_language_protocol.h"
void GDScriptWorkspace::_bind_methods() {
ClassDB::bind_method(D_METHOD("symbol"), &GDScriptWorkspace::symbol);
ClassDB::bind_method(D_METHOD("parse_script", "p_path", "p_content"), &GDScriptWorkspace::parse_script);
ClassDB::bind_method(D_METHOD("parse_local_script", "p_path"), &GDScriptWorkspace::parse_local_script);
ClassDB::bind_method(D_METHOD("get_file_path", "p_uri"), &GDScriptWorkspace::get_file_path);
ClassDB::bind_method(D_METHOD("get_file_uri", "p_path"), &GDScriptWorkspace::get_file_uri);
ClassDB::bind_method(D_METHOD("publish_diagnostics", "p_path"), &GDScriptWorkspace::publish_diagnostics);
ClassDB::bind_method(D_METHOD("generate_script_api", "p_path"), &GDScriptWorkspace::generate_script_api);
}
void GDScriptWorkspace::remove_cache_parser(const String &p_path) {
Map<String, ExtendGDScriptParser *>::Element *parser = parse_results.find(p_path);
Map<String, ExtendGDScriptParser *>::Element *script = scripts.find(p_path);
if (parser && script) {
if (script->get() && script->get() == script->get()) {
memdelete(script->get());
} else {
memdelete(script->get());
memdelete(parser->get());
}
parse_results.erase(p_path);
scripts.erase(p_path);
} else if (parser) {
memdelete(parser->get());
parse_results.erase(p_path);
} else if (script) {
memdelete(script->get());
scripts.erase(p_path);
}
}
const lsp::DocumentSymbol *GDScriptWorkspace::get_native_symbol(const String &p_class, const String &p_member) const {
StringName class_name = p_class;
StringName empty;
while (class_name != empty) {
if (const Map<StringName, lsp::DocumentSymbol>::Element *E = native_symbols.find(class_name)) {
const lsp::DocumentSymbol &class_symbol = E->value();
if (p_member.empty()) {
return &class_symbol;
} else {
for (int i = 0; i < class_symbol.children.size(); i++) {
const lsp::DocumentSymbol &symbol = class_symbol.children[i];
if (symbol.name == p_member) {
return &symbol;
}
}
}
}
class_name = ClassDB::get_parent_class(class_name);
}
return NULL;
}
const lsp::DocumentSymbol *GDScriptWorkspace::get_script_symbol(const String &p_path) const {
const Map<String, ExtendGDScriptParser *>::Element *S = scripts.find(p_path);
if (S) {
return &(S->get()->get_symbols());
}
return NULL;
}
void GDScriptWorkspace::reload_all_workspace_scripts() {
List<String> pathes;
list_script_files("res://", pathes);
for (List<String>::Element *E = pathes.front(); E; E = E->next()) {
const String &path = E->get();
Error err;
String content = FileAccess::get_file_as_string(path, &err);
ERR_CONTINUE(err != OK);
err = parse_script(path, content);
if (err != OK) {
Map<String, ExtendGDScriptParser *>::Element *S = parse_results.find(path);
String err_msg = "Failed parse script " + path;
if (S) {
err_msg += "\n" + S->get()->get_error();
}
ERR_EXPLAIN(err_msg);
ERR_CONTINUE(err != OK);
}
}
}
void GDScriptWorkspace::list_script_files(const String &p_root_dir, List<String> &r_files) {
Error err;
DirAccessRef dir = DirAccess::open(p_root_dir, &err);
if (OK == err) {
dir->list_dir_begin();
String file_name = dir->get_next();
while (file_name.length()) {
if (dir->current_is_dir() && file_name != "." && file_name != ".." && file_name != "./") {
list_script_files(p_root_dir.plus_file(file_name), r_files);
} else if (file_name.ends_with(".gd")) {
String script_file = p_root_dir.plus_file(file_name);
r_files.push_back(script_file);
}
file_name = dir->get_next();
}
}
}
ExtendGDScriptParser *GDScriptWorkspace::get_parse_successed_script(const String &p_path) {
const Map<String, ExtendGDScriptParser *>::Element *S = scripts.find(p_path);
if (!S) {
parse_local_script(p_path);
S = scripts.find(p_path);
}
if (S) {
return S->get();
}
return NULL;
}
ExtendGDScriptParser *GDScriptWorkspace::get_parse_result(const String &p_path) {
const Map<String, ExtendGDScriptParser *>::Element *S = parse_results.find(p_path);
if (!S) {
parse_local_script(p_path);
S = parse_results.find(p_path);
}
if (S) {
return S->get();
}
return NULL;
}
Array GDScriptWorkspace::symbol(const Dictionary &p_params) {
String query = p_params["query"];
Array arr;
if (!query.empty()) {
for (Map<String, ExtendGDScriptParser *>::Element *E = scripts.front(); E; E = E->next()) {
Vector<lsp::DocumentedSymbolInformation> script_symbols;
E->get()->get_symbols().symbol_tree_as_list(E->key(), script_symbols);
for (int i = 0; i < script_symbols.size(); ++i) {
if (query.is_subsequence_ofi(script_symbols[i].name)) {
arr.push_back(script_symbols[i].to_json());
}
}
}
}
return arr;
}
Error GDScriptWorkspace::initialize() {
if (initialized) return OK;
DocData *doc = EditorHelp::get_doc_data();
for (Map<String, DocData::ClassDoc>::Element *E = doc->class_list.front(); E; E = E->next()) {
const DocData::ClassDoc &class_data = E->value();
lsp::DocumentSymbol class_symbol;
String class_name = E->key();
class_symbol.name = class_name;
class_symbol.native_class = class_name;
class_symbol.kind = lsp::SymbolKind::Class;
class_symbol.detail = String("<Native> class ") + class_name;
if (!class_data.inherits.empty()) {
class_symbol.detail += " extends " + class_data.inherits;
}
class_symbol.documentation = ExtendGDScriptParser::marked_documentation(class_data.brief_description) + "\n" + ExtendGDScriptParser::marked_documentation(class_data.description);
for (int i = 0; i < class_data.constants.size(); i++) {
const DocData::ConstantDoc &const_data = class_data.constants[i];
lsp::DocumentSymbol symbol;
symbol.name = const_data.name;
symbol.native_class = class_name;
symbol.kind = lsp::SymbolKind::Constant;
symbol.detail = "const " + class_name + "." + const_data.name;
if (const_data.enumeration.length()) {
symbol.detail += ": " + const_data.enumeration;
}
symbol.detail += " = " + const_data.value;
symbol.documentation = ExtendGDScriptParser::marked_documentation(const_data.description);
class_symbol.children.push_back(symbol);
}
Vector<DocData::PropertyDoc> properties;
properties.append_array(class_data.properties);
const int theme_prop_start_idx = properties.size();
properties.append_array(class_data.theme_properties);
for (int i = 0; i < class_data.properties.size(); i++) {
const DocData::PropertyDoc &data = class_data.properties[i];
lsp::DocumentSymbol symbol;
symbol.name = data.name;
symbol.native_class = class_name;
symbol.kind = lsp::SymbolKind::Property;
symbol.detail = String(i >= theme_prop_start_idx ? "<Theme> var" : "var") + " " + class_name + "." + data.name;
if (data.enumeration.length()) {
symbol.detail += ": " + data.enumeration;
} else {
symbol.detail += ": " + data.type;
}
symbol.documentation = ExtendGDScriptParser::marked_documentation(data.description);
class_symbol.children.push_back(symbol);
}
Vector<DocData::MethodDoc> methods_signals;
methods_signals.append_array(class_data.methods);
const int signal_start_idx = methods_signals.size();
methods_signals.append_array(class_data.signals);
for (int i = 0; i < methods_signals.size(); i++) {
const DocData::MethodDoc &data = methods_signals[i];
lsp::DocumentSymbol symbol;
symbol.name = data.name;
symbol.native_class = class_name;
symbol.kind = i >= signal_start_idx ? lsp::SymbolKind::Event : lsp::SymbolKind::Method;
String params = "";
bool arg_default_value_started = false;
for (int j = 0; j < data.arguments.size(); j++) {
const DocData::ArgumentDoc &arg = data.arguments[j];
if (!arg_default_value_started && !arg.default_value.empty()) {
arg_default_value_started = true;
}
String arg_str = arg.name + ": " + arg.type;
if (arg_default_value_started) {
arg_str += " = " + arg.default_value;
}
if (j < data.arguments.size() - 1) {
arg_str += ", ";
}
params += arg_str;
}
if (data.qualifiers.find("vararg") != -1) {
params += params.empty() ? "..." : ", ...";
}
symbol.detail = "func " + class_name + "." + data.name + "(" + params + ") -> " + data.return_type;
symbol.documentation = ExtendGDScriptParser::marked_documentation(data.description);
class_symbol.children.push_back(symbol);
}
native_symbols.insert(class_name, class_symbol);
}
reload_all_workspace_scripts();
if (GDScriptLanguageProtocol::get_singleton()->is_smart_resolve_enabled()) {
for (Map<StringName, lsp::DocumentSymbol>::Element *E = native_symbols.front(); E; E = E->next()) {
ClassMembers members;
const lsp::DocumentSymbol &class_symbol = E->get();
for (int i = 0; i < class_symbol.children.size(); i++) {
const lsp::DocumentSymbol &symbol = class_symbol.children[i];
members.set(symbol.name, &symbol);
}
native_members.set(E->key(), members);
}
// cache member completions
for (Map<String, ExtendGDScriptParser *>::Element *S = scripts.front(); S; S = S->next()) {
S->get()->get_member_completions();
}
}
return OK;
}
Error GDScriptWorkspace::parse_script(const String &p_path, const String &p_content) {
ExtendGDScriptParser *parser = memnew(ExtendGDScriptParser);
Error err = parser->parse(p_content, p_path);
Map<String, ExtendGDScriptParser *>::Element *last_parser = parse_results.find(p_path);
Map<String, ExtendGDScriptParser *>::Element *last_script = scripts.find(p_path);
if (err == OK) {
remove_cache_parser(p_path);
parse_results[p_path] = parser;
scripts[p_path] = parser;
} else {
if (last_parser && last_script && last_parser->get() != last_script->get()) {
memdelete(last_parser->get());
}
parse_results[p_path] = parser;
}
publish_diagnostics(p_path);
return err;
}
Error GDScriptWorkspace::parse_local_script(const String &p_path) {
Error err;
String content = FileAccess::get_file_as_string(p_path, &err);
if (err == OK) {
err = parse_script(p_path, content);
}
return err;
}
String GDScriptWorkspace::get_file_path(const String &p_uri) const {
String path = p_uri;
path = path.replace(root_uri + "/", "res://");
path = path.http_unescape();
return path;
}
String GDScriptWorkspace::get_file_uri(const String &p_path) const {
String uri = p_path;
uri = uri.replace("res://", root_uri + "/");
return uri;
}
void GDScriptWorkspace::publish_diagnostics(const String &p_path) {
Dictionary params;
Array errors;
const Map<String, ExtendGDScriptParser *>::Element *ele = parse_results.find(p_path);
if (ele) {
const Vector<lsp::Diagnostic> &list = ele->get()->get_diagnostics();
errors.resize(list.size());
for (int i = 0; i < list.size(); ++i) {
errors[i] = list[i].to_json();
}
}
params["diagnostics"] = errors;
params["uri"] = get_file_uri(p_path);
GDScriptLanguageProtocol::get_singleton()->notify_client("textDocument/publishDiagnostics", params);
}
void GDScriptWorkspace::completion(const lsp::CompletionParams &p_params, List<ScriptCodeCompletionOption> *r_options) {
String path = get_file_path(p_params.textDocument.uri);
String call_hint;
bool forced = false;
if (const ExtendGDScriptParser *parser = get_parse_result(path)) {
String code = parser->get_text_for_completion(p_params.position);
GDScriptLanguage::get_singleton()->complete_code(code, path, NULL, r_options, forced, call_hint);
}
}
const lsp::DocumentSymbol *GDScriptWorkspace::resolve_symbol(const lsp::TextDocumentPositionParams &p_doc_pos, const String &p_symbol_name, bool p_func_requred) {
const lsp::DocumentSymbol *symbol = NULL;
String path = get_file_path(p_doc_pos.textDocument.uri);
if (const ExtendGDScriptParser *parser = get_parse_result(path)) {
String symbol_identifier = p_symbol_name;
Vector<String> identifier_parts = symbol_identifier.split("(");
if (identifier_parts.size()) {
symbol_identifier = identifier_parts[0];
}
lsp::Position pos = p_doc_pos.position;
if (symbol_identifier.empty()) {
Vector2i offset;
symbol_identifier = parser->get_identifier_under_position(p_doc_pos.position, offset);
pos.character += offset.y;
}
if (!symbol_identifier.empty()) {
if (ScriptServer::is_global_class(symbol_identifier)) {
String class_path = ScriptServer::get_global_class_path(symbol_identifier);
symbol = get_script_symbol(class_path);
} else {
ScriptLanguage::LookupResult ret;
if (OK == GDScriptLanguage::get_singleton()->lookup_code(parser->get_text_for_lookup_symbol(pos, symbol_identifier, p_func_requred), symbol_identifier, path, NULL, ret)) {
if (ret.type == ScriptLanguage::LookupResult::RESULT_SCRIPT_LOCATION) {
String target_script_path = path;
if (!ret.script.is_null()) {
target_script_path = ret.script->get_path();
}
if (const ExtendGDScriptParser *target_parser = get_parse_result(target_script_path)) {
symbol = target_parser->get_symbol_defined_at_line(LINE_NUMBER_TO_INDEX(ret.location));
}
} else {
String member = ret.class_member;
if (member.empty() && symbol_identifier != ret.class_name) {
member = symbol_identifier;
}
symbol = get_native_symbol(ret.class_name, member);
}
} else {
symbol = parser->get_member_symbol(symbol_identifier);
}
}
}
}
return symbol;
}
void GDScriptWorkspace::resolve_related_symbols(const lsp::TextDocumentPositionParams &p_doc_pos, List<const lsp::DocumentSymbol *> &r_list) {
String path = get_file_path(p_doc_pos.textDocument.uri);
if (const ExtendGDScriptParser *parser = get_parse_result(path)) {
String symbol_identifier;
Vector2i offset;
symbol_identifier = parser->get_identifier_under_position(p_doc_pos.position, offset);
const StringName *class_ptr = native_members.next(NULL);
while (class_ptr) {
const ClassMembers &members = native_members.get(*class_ptr);
if (const lsp::DocumentSymbol *const *symbol = members.getptr(symbol_identifier)) {
r_list.push_back(*symbol);
}
class_ptr = native_members.next(class_ptr);
}
for (Map<String, ExtendGDScriptParser *>::Element *E = scripts.front(); E; E = E->next()) {
const ExtendGDScriptParser *script = E->get();
const ClassMembers &members = script->get_members();
if (const lsp::DocumentSymbol *const *symbol = members.getptr(symbol_identifier)) {
r_list.push_back(*symbol);
}
const HashMap<String, ClassMembers> &inner_classes = script->get_inner_classes();
const String *_class = inner_classes.next(NULL);
while (_class) {
const ClassMembers *inner_class = inner_classes.getptr(*_class);
if (const lsp::DocumentSymbol *const *symbol = inner_class->getptr(symbol_identifier)) {
r_list.push_back(*symbol);
}
_class = inner_classes.next(_class);
}
}
}
}
Dictionary GDScriptWorkspace::generate_script_api(const String &p_path) {
Dictionary api;
if (const ExtendGDScriptParser *parser = get_parse_successed_script(p_path)) {
api = parser->generate_api();
}
return api;
}
GDScriptWorkspace::GDScriptWorkspace() {
ProjectSettings::get_singleton()->get_resource_path();
}
GDScriptWorkspace::~GDScriptWorkspace() {
Set<String> cached_parsers;
for (Map<String, ExtendGDScriptParser *>::Element *E = parse_results.front(); E; E = E->next()) {
cached_parsers.insert(E->key());
}
for (Map<String, ExtendGDScriptParser *>::Element *E = scripts.front(); E; E = E->next()) {
cached_parsers.insert(E->key());
}
for (Set<String>::Element *E = cached_parsers.front(); E; E = E->next()) {
remove_cache_parser(E->get());
}
}
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