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+/*************************************************************************/
+/* test_gdscript.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 "test_gdscript.h"
+
+#include "core/config/project_settings.h"
+#include "core/io/file_access_pack.h"
+#include "core/os/file_access.h"
+#include "core/os/main_loop.h"
+#include "core/os/os.h"
+#include "core/string/string_builder.h"
+#include "scene/resources/packed_scene.h"
+
+#include "modules/gdscript/gdscript_analyzer.h"
+#include "modules/gdscript/gdscript_compiler.h"
+#include "modules/gdscript/gdscript_parser.h"
+#include "modules/gdscript/gdscript_tokenizer.h"
+
+#ifdef TOOLS_ENABLED
+#include "editor/editor_settings.h"
+#endif
+
+namespace TestGDScript {
+
+static void test_tokenizer(const String &p_code, const Vector<String> &p_lines) {
+ GDScriptTokenizer tokenizer;
+ tokenizer.set_source_code(p_code);
+
+ int tab_size = 4;
+#ifdef TOOLS_ENABLED
+ if (EditorSettings::get_singleton()) {
+ tab_size = EditorSettings::get_singleton()->get_setting("text_editor/indent/size");
+ }
+#endif // TOOLS_ENABLED
+ String tab = String(" ").repeat(tab_size);
+
+ GDScriptTokenizer::Token current = tokenizer.scan();
+ while (current.type != GDScriptTokenizer::Token::TK_EOF) {
+ StringBuilder token;
+ token += " --> "; // Padding for line number.
+
+ for (int l = current.start_line; l <= current.end_line; l++) {
+ print_line(vformat("%04d %s", l, p_lines[l - 1]).replace("\t", tab));
+ }
+
+ {
+ // Print carets to point at the token.
+ StringBuilder pointer;
+ pointer += " "; // Padding for line number.
+ int rightmost_column = current.rightmost_column;
+ if (current.end_line > current.start_line) {
+ rightmost_column--; // Don't point to the newline as a column.
+ }
+ for (int col = 1; col < rightmost_column; col++) {
+ if (col < current.leftmost_column) {
+ pointer += " ";
+ } else {
+ pointer += "^";
+ }
+ }
+ print_line(pointer.as_string());
+ }
+
+ token += current.get_name();
+
+ if (current.type == GDScriptTokenizer::Token::ERROR || current.type == GDScriptTokenizer::Token::LITERAL || current.type == GDScriptTokenizer::Token::IDENTIFIER || current.type == GDScriptTokenizer::Token::ANNOTATION) {
+ token += "(";
+ token += Variant::get_type_name(current.literal.get_type());
+ token += ") ";
+ token += current.literal;
+ }
+
+ print_line(token.as_string());
+
+ print_line("-------------------------------------------------------");
+
+ current = tokenizer.scan();
+ }
+
+ print_line(current.get_name()); // Should be EOF
+}
+
+static void test_parser(const String &p_code, const String &p_script_path, const Vector<String> &p_lines) {
+ GDScriptParser parser;
+ Error err = parser.parse(p_code, p_script_path, false);
+
+ if (err != OK) {
+ const List<GDScriptParser::ParserError> &errors = parser.get_errors();
+ for (const List<GDScriptParser::ParserError>::Element *E = errors.front(); E != nullptr; E = E->next()) {
+ const GDScriptParser::ParserError &error = E->get();
+ print_line(vformat("%02d:%02d: %s", error.line, error.column, error.message));
+ }
+ }
+
+ GDScriptParser::TreePrinter printer;
+
+ printer.print_tree(parser);
+}
+
+static void test_compiler(const String &p_code, const String &p_script_path, const Vector<String> &p_lines) {
+ GDScriptParser parser;
+ Error err = parser.parse(p_code, p_script_path, false);
+
+ if (err != OK) {
+ print_line("Error in parser:");
+ const List<GDScriptParser::ParserError> &errors = parser.get_errors();
+ for (const List<GDScriptParser::ParserError>::Element *E = errors.front(); E != nullptr; E = E->next()) {
+ const GDScriptParser::ParserError &error = E->get();
+ print_line(vformat("%02d:%02d: %s", error.line, error.column, error.message));
+ }
+ return;
+ }
+
+ GDScriptAnalyzer analyzer(&parser);
+ err = analyzer.analyze();
+
+ if (err != OK) {
+ print_line("Error in analyzer:");
+ const List<GDScriptParser::ParserError> &errors = parser.get_errors();
+ for (const List<GDScriptParser::ParserError>::Element *E = errors.front(); E != nullptr; E = E->next()) {
+ const GDScriptParser::ParserError &error = E->get();
+ print_line(vformat("%02d:%02d: %s", error.line, error.column, error.message));
+ }
+ return;
+ }
+
+ GDScriptCompiler compiler;
+ Ref<GDScript> script;
+ script.instance();
+ script->set_path(p_script_path);
+
+ err = compiler.compile(&parser, script.ptr(), false);
+
+ if (err) {
+ print_line("Error in compiler:");
+ print_line(vformat("%02d:%02d: %s", compiler.get_error_line(), compiler.get_error_column(), compiler.get_error()));
+ return;
+ }
+
+ for (const Map<StringName, GDScriptFunction *>::Element *E = script->get_member_functions().front(); E; E = E->next()) {
+ const GDScriptFunction *func = E->value();
+
+ String signature = "Disassembling " + func->get_name().operator String() + "(";
+ for (int i = 0; i < func->get_argument_count(); i++) {
+ if (i > 0) {
+ signature += ", ";
+ }
+ signature += func->get_argument_name(i);
+ }
+ print_line(signature + ")");
+
+ func->disassemble(p_lines);
+ print_line("");
+ print_line("");
+ }
+}
+
+void init_autoloads() {
+ Map<StringName, ProjectSettings::AutoloadInfo> autoloads = ProjectSettings::get_singleton()->get_autoload_list();
+
+ // First pass, add the constants so they exist before any script is loaded.
+ for (Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E; E = E->next()) {
+ const ProjectSettings::AutoloadInfo &info = E->get();
+
+ if (info.is_singleton) {
+ for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+ ScriptServer::get_language(i)->add_global_constant(info.name, Variant());
+ }
+ }
+ }
+
+ // Second pass, load into global constants.
+ for (Map<StringName, ProjectSettings::AutoloadInfo>::Element *E = autoloads.front(); E; E = E->next()) {
+ const ProjectSettings::AutoloadInfo &info = E->get();
+
+ if (!info.is_singleton) {
+ // Skip non-singletons since we don't have a scene tree here anyway.
+ continue;
+ }
+
+ RES res = ResourceLoader::load(info.path);
+ ERR_CONTINUE_MSG(res.is_null(), "Can't autoload: " + info.path);
+ Node *n = nullptr;
+ if (res->is_class("PackedScene")) {
+ Ref<PackedScene> ps = res;
+ n = ps->instance();
+ } else if (res->is_class("Script")) {
+ Ref<Script> script_res = res;
+ StringName ibt = script_res->get_instance_base_type();
+ bool valid_type = ClassDB::is_parent_class(ibt, "Node");
+ ERR_CONTINUE_MSG(!valid_type, "Script does not inherit a Node: " + info.path);
+
+ Object *obj = ClassDB::instance(ibt);
+
+ ERR_CONTINUE_MSG(obj == nullptr,
+ "Cannot instance script for autoload, expected 'Node' inheritance, got: " +
+ String(ibt));
+
+ n = Object::cast_to<Node>(obj);
+ n->set_script(script_res);
+ }
+
+ ERR_CONTINUE_MSG(!n, "Path in autoload not a node or script: " + info.path);
+ n->set_name(info.name);
+
+ for (int i = 0; i < ScriptServer::get_language_count(); i++) {
+ ScriptServer::get_language(i)->add_global_constant(info.name, n);
+ }
+ }
+}
+
+void test(TestType p_type) {
+ List<String> cmdlargs = OS::get_singleton()->get_cmdline_args();
+
+ if (cmdlargs.is_empty()) {
+ return;
+ }
+
+ String test = cmdlargs.back()->get();
+ if (!test.ends_with(".gd")) {
+ print_line("This test expects a path to a GDScript file as its last parameter. Got: " + test);
+ return;
+ }
+
+ FileAccessRef fa = FileAccess::open(test, FileAccess::READ);
+ ERR_FAIL_COND_MSG(!fa, "Could not open file: " + test);
+
+ // Init PackedData since it's used by ProjectSettings.
+ PackedData *packed_data = memnew(PackedData);
+
+ // Setup project settings since it's needed by the languages to get the global scripts.
+ // This also sets up the base resource path.
+ Error err = ProjectSettings::get_singleton()->setup(fa->get_path_absolute().get_base_dir(), String(), true);
+ if (err) {
+ print_line("Could not load project settings.");
+ // Keep going since some scripts still work without this.
+ }
+
+ // Initialize the language for the test routine.
+ ScriptServer::init_languages();
+ init_autoloads();
+
+ Vector<uint8_t> buf;
+ int flen = fa->get_len();
+ buf.resize(fa->get_len() + 1);
+ fa->get_buffer(buf.ptrw(), flen);
+ buf.write[flen] = 0;
+
+ String code;
+ code.parse_utf8((const char *)&buf[0]);
+
+ Vector<String> lines;
+ int last = 0;
+ for (int i = 0; i <= code.length(); i++) {
+ if (code[i] == '\n' || code[i] == 0) {
+ lines.push_back(code.substr(last, i - last));
+ last = i + 1;
+ }
+ }
+
+ switch (p_type) {
+ case TEST_TOKENIZER:
+ test_tokenizer(code, lines);
+ break;
+ case TEST_PARSER:
+ test_parser(code, test, lines);
+ break;
+ case TEST_COMPILER:
+ test_compiler(code, test, lines);
+ break;
+ case TEST_BYTECODE:
+ print_line("Not implemented.");
+ }
+
+ // Destroy stuff we set up earlier.
+ ScriptServer::finish_languages();
+ memdelete(packed_data);
+}
+} // namespace TestGDScript
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