diff options
Diffstat (limited to 'modules/gdscript')
-rw-r--r-- | modules/gdscript/SCsub | 2 | ||||
-rw-r--r-- | modules/gdscript/doc_classes/GDScript.xml | 2 | ||||
-rw-r--r-- | modules/gdscript/editor/gdscript_highlighter.cpp | 22 | ||||
-rw-r--r-- | modules/gdscript/gdscript.cpp | 59 | ||||
-rw-r--r-- | modules/gdscript/gdscript.h | 8 | ||||
-rw-r--r-- | modules/gdscript/gdscript_compiler.cpp | 2 | ||||
-rw-r--r-- | modules/gdscript/gdscript_editor.cpp | 71 | ||||
-rw-r--r-- | modules/gdscript/gdscript_function.cpp | 146 | ||||
-rw-r--r-- | modules/gdscript/gdscript_function.h | 6 | ||||
-rw-r--r-- | modules/gdscript/gdscript_functions.cpp | 63 | ||||
-rw-r--r-- | modules/gdscript/gdscript_functions.h | 3 | ||||
-rw-r--r-- | modules/gdscript/gdscript_parser.cpp | 158 | ||||
-rw-r--r-- | modules/gdscript/gdscript_parser.h | 3 | ||||
-rw-r--r-- | modules/gdscript/gdscript_tokenizer.cpp | 2 |
14 files changed, 323 insertions, 224 deletions
diff --git a/modules/gdscript/SCsub b/modules/gdscript/SCsub index 73f09f1659..6904154953 100644 --- a/modules/gdscript/SCsub +++ b/modules/gdscript/SCsub @@ -9,5 +9,3 @@ env_gdscript.add_source_files(env.modules_sources, "*.cpp") if env['tools']: env_gdscript.add_source_files(env.modules_sources, "./editor/*.cpp") - -Export('env') diff --git a/modules/gdscript/doc_classes/GDScript.xml b/modules/gdscript/doc_classes/GDScript.xml index 632970f8c0..4cefdbd7cb 100644 --- a/modules/gdscript/doc_classes/GDScript.xml +++ b/modules/gdscript/doc_classes/GDScript.xml @@ -8,7 +8,7 @@ [method new] creates a new instance of the script. [method Object.set_script] extends an existing object, if that object's class matches one of the script's base classes. </description> <tutorials> - <link>http://docs.godotengine.org/en/3.0/getting_started/scripting/gdscript/index.html</link> + <link>https://docs.godotengine.org/en/latest/getting_started/scripting/gdscript/index.html</link> </tutorials> <demos> </demos> diff --git a/modules/gdscript/editor/gdscript_highlighter.cpp b/modules/gdscript/editor/gdscript_highlighter.cpp index a1163b5d8d..e4aee842ba 100644 --- a/modules/gdscript/editor/gdscript_highlighter.cpp +++ b/modules/gdscript/editor/gdscript_highlighter.cpp @@ -43,10 +43,6 @@ static bool _is_text_char(CharType c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_'; } -static bool _is_whitespace(CharType c) { - return c == '\t' || c == ' '; -} - static bool _is_char(CharType c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_'; @@ -76,6 +72,7 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_ bool in_word = false; bool in_function_name = false; bool in_variable_declaration = false; + bool in_function_args = false; bool in_member_variable = false; bool in_node_path = false; bool is_hex_notation = false; @@ -224,17 +221,24 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_ } if (is_symbol) { - in_function_name = false; - in_member_variable = false; - if (expect_type && str[j] != ' ' && str[j] != '\t' && str[j] != ':') { + if (in_function_name) { + in_function_args = true; + } + + if (in_function_args && str[j] == ')') { + in_function_args = false; + } + + if (expect_type && prev_is_char) { expect_type = false; } + if (j > 0 && str[j] == '>' && str[j - 1] == '-') { expect_type = true; } - if (in_variable_declaration || previous_text == "(" || previous_text == ",") { + if (in_variable_declaration || in_function_args) { int k = j; // Skip space while (k < str.length() && (str[k] == '\t' || str[k] == ' ')) { @@ -248,6 +252,8 @@ Map<int, TextEdit::HighlighterInfo> GDScriptSyntaxHighlighter::_get_line_syntax_ } in_variable_declaration = false; + in_function_name = false; + in_member_variable = false; } if (!in_node_path && in_region == -1 && str[j] == '$') { diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp index b0d5422afe..538249c8e2 100644 --- a/modules/gdscript/gdscript.cpp +++ b/modules/gdscript/gdscript.cpp @@ -421,31 +421,40 @@ bool GDScript::_update_exports() { base_cache = Ref<GDScript>(); } - if (c->extends_used && String(c->extends_file) != "" && String(c->extends_file) != get_path()) { - - String path = c->extends_file; - if (path.is_rel_path()) { - - String base = get_path(); - if (base == "" || base.is_rel_path()) { - - ERR_PRINT(("Could not resolve relative path for parent class: " + path).utf8().get_data()); - } else { - path = base.get_base_dir().plus_file(path); + if (c->extends_used) { + String path = ""; + if (String(c->extends_file) != "" && String(c->extends_file) != get_path()) { + path = c->extends_file; + if (path.is_rel_path()) { + + String base = get_path(); + if (base == "" || base.is_rel_path()) { + + ERR_PRINT(("Could not resolve relative path for parent class: " + path).utf8().get_data()); + } else { + path = base.get_base_dir().plus_file(path); + } } + } else if (c->extends_class.size() != 0) { + String base = c->extends_class[0]; + + if (ScriptServer::is_global_class(base)) + path = ScriptServer::get_global_class_path(base); } - if (path != get_path()) { + if (path != "") { + if (path != get_path()) { - Ref<GDScript> bf = ResourceLoader::load(path); + Ref<GDScript> bf = ResourceLoader::load(path); - if (bf.is_valid()) { + if (bf.is_valid()) { - base_cache = bf; - bf->inheriters_cache.insert(get_instance_id()); + base_cache = bf; + bf->inheriters_cache.insert(get_instance_id()); + } + } else { + ERR_PRINT(("Path extending itself in " + path).utf8().get_data()); } - } else { - ERR_PRINT(("Path extending itself in " + path).utf8().get_data()); } } @@ -469,8 +478,15 @@ bool GDScript::_update_exports() { for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) { E->get()->set_build_failed(true); } + return false; } } else { + if (!valid) { + for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) { + E->get()->set_build_failed(true); + } + return false; + } } if (base_cache.is_valid()) { @@ -851,7 +867,6 @@ bool GDScript::has_script_signal(const StringName &p_signal) const { else if (base_cache.is_valid()) { return base_cache->has_script_signal(p_signal); } - #endif return false; } @@ -1981,6 +1996,7 @@ String GDScriptWarning::get_message() const { CHECK_SYMBOLS(2); return "The '" + symbols[0] + "' keyword is deprecated and will be removed in a future release, please replace its uses by '" + symbols[1] + "'."; } break; + case WARNING_MAX: break; // Can't happen, but silences warning } ERR_EXPLAIN("Invalid GDScript warning code: " + get_name_from_code(code)); ERR_FAIL_V(String()); @@ -2064,12 +2080,12 @@ GDScriptLanguage::GDScriptLanguage() { _debug_call_stack_pos = 0; int dmcs = GLOBAL_DEF("debug/settings/gdscript/max_call_stack", 1024); + ProjectSettings::get_singleton()->set_custom_property_info("debug/settings/gdscript/max_call_stack", PropertyInfo(Variant::INT, "debug/settings/gdscript/max_call_stack", PROPERTY_HINT_RANGE, "1024,4096,1,or_greater")); //minimum is 1024 + if (ScriptDebugger::get_singleton()) { //debugging enabled! _debug_max_call_stack = dmcs; - if (_debug_max_call_stack < 1024) - _debug_max_call_stack = 1024; _call_stack = memnew_arr(CallLevel, _debug_max_call_stack + 1); } else { @@ -2080,6 +2096,7 @@ GDScriptLanguage::GDScriptLanguage() { #ifdef DEBUG_ENABLED GLOBAL_DEF("debug/gdscript/warnings/enable", true); GLOBAL_DEF("debug/gdscript/warnings/treat_warnings_as_errors", false); + GLOBAL_DEF("debug/gdscript/completion/autocomplete_setters_and_getters", false); for (int i = 0; i < (int)GDScriptWarning::WARNING_MAX; i++) { String warning = GDScriptWarning::get_name_from_code((GDScriptWarning::Code)i).to_lower(); GLOBAL_DEF("debug/gdscript/warnings/" + warning, !warning.begins_with("unsafe_")); diff --git a/modules/gdscript/gdscript.h b/modules/gdscript/gdscript.h index d795500265..752d660ffb 100644 --- a/modules/gdscript/gdscript.h +++ b/modules/gdscript/gdscript.h @@ -141,13 +141,13 @@ protected: static void _bind_methods(); public: - bool is_valid() const { return valid; } + virtual bool is_valid() const { return valid; } const Map<StringName, Ref<GDScript> > &get_subclasses() const { return subclasses; } const Map<StringName, Variant> &get_constants() const { return constants; } const Set<StringName> &get_members() const { return members; } const GDScriptDataType &get_member_type(const StringName &p_member) const { - ERR_FAIL_COND_V(!member_indices.has(p_member), GDScriptDataType()); + CRASH_COND(!member_indices.has(p_member)); return member_indices[p_member].data_type; } const Map<StringName, GDScriptFunction *> &get_member_functions() const { return member_functions; } @@ -301,8 +301,8 @@ struct GDScriptWarning { static Code get_code_from_name(const String &p_name); GDScriptWarning() : - line(-1), - code(WARNING_MAX) {} + code(WARNING_MAX), + line(-1) {} }; #endif // DEBUG_ENABLED diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp index 310c4e21f2..caa7fbfeca 100644 --- a/modules/gdscript/gdscript_compiler.cpp +++ b/modules/gdscript/gdscript_compiler.cpp @@ -132,7 +132,7 @@ GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::D result.kind = GDScriptDataType::SCRIPT; result.script_type = p_datatype.script_type; result.native_type = result.script_type->get_instance_base_type(); - } + } break; case GDScriptParser::DataType::GDSCRIPT: { result.kind = GDScriptDataType::GDSCRIPT; result.script_type = p_datatype.script_type; diff --git a/modules/gdscript/gdscript_editor.cpp b/modules/gdscript/gdscript_editor.cpp index a9b641de50..068e8d2d92 100644 --- a/modules/gdscript/gdscript_editor.cpp +++ b/modules/gdscript/gdscript_editor.cpp @@ -33,12 +33,9 @@ #include "core/engine.h" #include "core/global_constants.h" #include "core/os/file_access.h" -#include "editor/editor_settings.h" #include "gdscript_compiler.h" #ifdef TOOLS_ENABLED -#include "core/engine.h" -#include "core/reference.h" #include "editor/editor_file_system.h" #include "editor/editor_settings.h" #endif @@ -54,12 +51,6 @@ void GDScriptLanguage::get_string_delimiters(List<String> *p_delimiters) const { p_delimiters->push_back("\"\"\" \"\"\""); } Ref<Script> GDScriptLanguage::get_template(const String &p_class_name, const String &p_base_class_name) const { -#ifdef TOOLS_ENABLED - bool th = EDITOR_DEF("text_editor/completion/add_type_hints", false); -#else - bool th = false; -#endif - String _template = "extends %BASE%\n" "\n" "# Declare member variables here. Examples:\n" @@ -1113,6 +1104,7 @@ static bool _guess_expression_type(const GDScriptCompletionContext &p_context, c } break; } } break; + default: {} } // It may have found a null, but that's never useful @@ -1316,37 +1308,38 @@ static bool _guess_identifier_type(const GDScriptCompletionContext &p_context, c return false; } - // Check ClassDB - if (ClassDB::class_exists(p_identifier)) { - r_type.type.has_type = true; - r_type.type.kind = GDScriptParser::DataType::NATIVE; - r_type.type.native_type = p_identifier; - if (Engine::get_singleton()->has_singleton(p_identifier)) { - r_type.type.is_meta_type = false; - r_type.value = Engine::get_singleton()->get_singleton_object(p_identifier); - } else { - r_type.type.is_meta_type = true; - int idx = GDScriptLanguage::get_singleton()->get_global_map()[p_identifier]; - r_type.value = GDScriptLanguage::get_singleton()->get_global_array()[idx]; + for (int i = 0; i < 2; i++) { + StringName target_id; + switch (i) { + case 0: + // Check ClassDB + target_id = p_identifier; + break; + case 1: + // ClassDB again for underscore-prefixed classes + target_id = String("_") + p_identifier; + break; } - return true; - } - // ClassDB again for underscore-prefixed classes - StringName under_id = String("_") + p_identifier; - if (ClassDB::class_exists(under_id)) { - r_type.type.has_type = true; - r_type.type.kind = GDScriptParser::DataType::NATIVE; - r_type.type.native_type = p_identifier; - if (Engine::get_singleton()->has_singleton(p_identifier)) { - r_type.type.is_meta_type = false; - r_type.value = Engine::get_singleton()->get_singleton_object(p_identifier); - } else { - r_type.type.is_meta_type = true; - int idx = GDScriptLanguage::get_singleton()->get_global_map()[p_identifier]; - r_type.value = GDScriptLanguage::get_singleton()->get_global_array()[idx]; + if (ClassDB::class_exists(target_id)) { + r_type.type.has_type = true; + r_type.type.kind = GDScriptParser::DataType::NATIVE; + r_type.type.native_type = target_id; + if (Engine::get_singleton()->has_singleton(target_id)) { + r_type.type.is_meta_type = false; + r_type.value = Engine::get_singleton()->get_singleton_object(target_id); + } else { + r_type.type.is_meta_type = true; + const Map<StringName, int>::Element *target_elem = GDScriptLanguage::get_singleton()->get_global_map().find(target_id); + // Check because classes like EditorNode are in ClassDB by now, but unknown to GDScript + if (!target_elem) { + return false; + } + int idx = target_elem->get(); + r_type.value = GDScriptLanguage::get_singleton()->get_global_array()[idx]; + } + return true; } - return true; } // Check autoload singletons @@ -2007,7 +2000,8 @@ static void _find_identifiers_in_base(const GDScriptCompletionContext &p_context if (!_static) { List<MethodInfo> methods; - ClassDB::get_method_list(type, &methods, false, true); + 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; @@ -3357,6 +3351,7 @@ Error GDScriptLanguage::lookup_code(const String &p_code, const String &p_symbol return OK; } } break; + default: {} } return ERR_CANT_RESOLVE; diff --git a/modules/gdscript/gdscript_function.cpp b/modules/gdscript/gdscript_function.cpp index abd08d13ff..cd6c21a629 100644 --- a/modules/gdscript/gdscript_function.cpp +++ b/modules/gdscript/gdscript_function.cpp @@ -155,6 +155,7 @@ String GDScriptFunction::_get_call_error(const Variant::CallError &p_err, const return err_text; } +#ifdef DEBUG_ENABLED static String _get_var_type(const Variant *p_type) { String basestr; @@ -164,7 +165,6 @@ static String _get_var_type(const Variant *p_type) { if (!bobj) { basestr = "null instance"; } else { -#ifdef DEBUG_ENABLED if (ObjectDB::instance_validate(bobj)) { if (bobj->get_script_instance()) basestr = bobj->get_class() + " (" + bobj->get_script_instance()->get_script()->get_path().get_file() + ")"; @@ -173,10 +173,6 @@ static String _get_var_type(const Variant *p_type) { } else { basestr = "previously freed instance"; } - -#else - basestr = "Object"; -#endif } } else { @@ -185,6 +181,7 @@ static String _get_var_type(const Variant *p_type) { return basestr; } +#endif #if defined(__GNUC__) #define OPCODES_TABLE \ @@ -278,7 +275,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a #endif uint32_t alloca_size = 0; - GDScript *_class; + GDScript *script; int ip = 0; int line = _initial_line; @@ -289,7 +286,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a line = p_state->line; ip = p_state->ip; alloca_size = p_state->stack.size(); - _class = p_state->_class; + script = p_state->script.ptr(); p_instance = p_state->instance; defarg = p_state->defarg; self = p_state->self; @@ -371,9 +368,9 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a } else { self = p_instance->owner; } - _class = p_instance->script.ptr(); + script = p_instance->script.ptr(); } else { - _class = _script; + script = _script; } } @@ -398,7 +395,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a #define GET_VARIANT_PTR(m_v, m_code_ofs) \ Variant *m_v; \ - m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, _class, self, stack, err_text); \ + m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, stack, err_text); \ if (unlikely(!m_v)) \ OPCODE_BREAK; @@ -407,7 +404,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a #define CHECK_SPACE(m_space) #define GET_VARIANT_PTR(m_v, m_code_ofs) \ Variant *m_v; \ - m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, _class, self, stack, err_text); + m_v = _get_variant(_code_ptr[ip + m_code_ofs], p_instance, script, self, stack, err_text); #endif @@ -422,8 +419,8 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a profile.call_count++; profile.frame_call_count++; } -#endif bool exit_ok = false; +#endif #ifdef DEBUG_ENABLED OPCODE_WHILE(ip < _code_size) { @@ -480,56 +477,53 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a GET_VARIANT_PTR(dst, 3); #ifdef DEBUG_ENABLED - if (a->get_type() != Variant::OBJECT || a->operator Object *() == NULL) { - - err_text = "Left operand of 'is' is not an instance of anything."; - OPCODE_BREAK; - } if (b->get_type() != Variant::OBJECT || b->operator Object *() == NULL) { err_text = "Right operand of 'is' is not a class."; OPCODE_BREAK; } #endif - Object *obj_A = *a; - Object *obj_B = *b; - - GDScript *scr_B = Object::cast_to<GDScript>(obj_B); bool extends_ok = false; + if (a->get_type() == Variant::OBJECT && a->operator Object *() != NULL) { + Object *obj_A = *a; + Object *obj_B = *b; - if (scr_B) { - //if B is a script, the only valid condition is that A has an instance which inherits from the script - //in other situation, this shoul return false. + GDScript *scr_B = Object::cast_to<GDScript>(obj_B); - if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language() == GDScriptLanguage::get_singleton()) { + if (scr_B) { + //if B is a script, the only valid condition is that A has an instance which inherits from the script + //in other situation, this shoul return false. - GDScript *cmp = static_cast<GDScript *>(obj_A->get_script_instance()->get_script().ptr()); - //bool found=false; - while (cmp) { + if (obj_A->get_script_instance() && obj_A->get_script_instance()->get_language() == GDScriptLanguage::get_singleton()) { - if (cmp == scr_B) { - //inherits from script, all ok - extends_ok = true; - break; - } + GDScript *cmp = static_cast<GDScript *>(obj_A->get_script_instance()->get_script().ptr()); + //bool found=false; + while (cmp) { + + if (cmp == scr_B) { + //inherits from script, all ok + extends_ok = true; + break; + } - cmp = cmp->_base; + cmp = cmp->_base; + } } - } - } else { + } else { - GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(obj_B); + GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(obj_B); #ifdef DEBUG_ENABLED - if (!nc) { + if (!nc) { - err_text = "Right operand of 'is' is not a class (type: '" + obj_B->get_class() + "')."; - OPCODE_BREAK; - } + err_text = "Right operand of 'is' is not a class (type: '" + obj_B->get_class() + "')."; + OPCODE_BREAK; + } #endif - extends_ok = ClassDB::is_parent_class(obj_A->get_class_name(), nc->get_name()); + extends_ok = ClassDB::is_parent_class(obj_A->get_class_name(), nc->get_name()); + } } *dst = extends_ok; @@ -682,8 +676,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a GET_VARIANT_PTR(src, 2); bool valid; +#ifndef DEBUG_ENABLED + ClassDB::set_property(p_instance->owner, *index, *src, &valid); +#else bool ok = ClassDB::set_property(p_instance->owner, *index, *src, &valid); -#ifdef DEBUG_ENABLED if (!ok) { err_text = "Internal error setting property: " + String(*index); OPCODE_BREAK; @@ -703,9 +699,11 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a GD_ERR_BREAK(indexname < 0 || indexname >= _global_names_count); const StringName *index = &_global_names_ptr[indexname]; GET_VARIANT_PTR(dst, 2); - bool ok = ClassDB::get_property(p_instance->owner, *index, *dst); -#ifdef DEBUG_ENABLED +#ifndef DEBUG_ENABLED + ClassDB::get_property(p_instance->owner, *index, *dst); +#else + bool ok = ClassDB::get_property(p_instance->owner, *index, *dst); if (!ok) { err_text = "Internal error getting property: " + String(*index); OPCODE_BREAK; @@ -752,13 +750,13 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE(OPCODE_ASSIGN_TYPED_BUILTIN) { CHECK_SPACE(4); - Variant::Type var_type = (Variant::Type)_code_ptr[ip + 1]; GET_VARIANT_PTR(dst, 2); GET_VARIANT_PTR(src, 3); +#ifdef DEBUG_ENABLED + Variant::Type var_type = (Variant::Type)_code_ptr[ip + 1]; GD_ERR_BREAK(var_type < 0 || var_type >= Variant::VARIANT_MAX); -#ifdef DEBUG_ENABLED if (src->get_type() != var_type) { if (Variant::can_convert_strict(src->get_type(), var_type)) { Variant::CallError ce; @@ -782,14 +780,14 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE(OPCODE_ASSIGN_TYPED_NATIVE) { CHECK_SPACE(4); - GET_VARIANT_PTR(type, 1); GET_VARIANT_PTR(dst, 2); GET_VARIANT_PTR(src, 3); #ifdef DEBUG_ENABLED + GET_VARIANT_PTR(type, 1); GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(type->operator Object *()); GD_ERR_BREAK(!nc); - if (!src->get_type() != Variant::OBJECT && !src->get_type() != Variant::NIL) { + if (src->get_type() != Variant::OBJECT && src->get_type() != Variant::NIL) { err_text = "Trying to assign value of type '" + Variant::get_type_name(src->get_type()) + "' to a variable of type '" + nc->get_name() + "'."; OPCODE_BREAK; @@ -811,11 +809,11 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE(OPCODE_ASSIGN_TYPED_SCRIPT) { CHECK_SPACE(4); - GET_VARIANT_PTR(type, 1); GET_VARIANT_PTR(dst, 2); GET_VARIANT_PTR(src, 3); #ifdef DEBUG_ENABLED + GET_VARIANT_PTR(type, 1); Script *base_type = Object::cast_to<Script>(type->operator Object *()); GD_ERR_BREAK(!base_type); @@ -1255,11 +1253,10 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a gdfs->state.stack_size = _stack_size; gdfs->state.self = self; gdfs->state.alloca_size = alloca_size; - gdfs->state._class = _class; + gdfs->state.script = Ref<GDScript>(_script); gdfs->state.ip = ip + ipofs; gdfs->state.line = line; gdfs->state.instance_id = (p_instance && p_instance->get_owner()) ? p_instance->get_owner()->get_instance_id() : 0; - gdfs->state.script_id = _class->get_instance_id(); //gdfs->state.result_pos=ip+ipofs-1; gdfs->state.defarg = defarg; gdfs->state.instance = p_instance; @@ -1282,10 +1279,11 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE_BREAK; } #endif + Object *obj = argobj->operator Object *(); String signal = argname->operator String(); -#ifdef DEBUG_ENABLED +#ifdef DEBUG_ENABLED if (!obj) { err_text = "First argument of yield() is null."; OPCODE_BREAK; @@ -1302,17 +1300,19 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE_BREAK; } -#endif Error err = obj->connect(signal, gdfs.ptr(), "_signal_callback", varray(gdfs), Object::CONNECT_ONESHOT); -#ifdef DEBUG_ENABLED if (err != OK) { err_text = "Error connecting to signal: " + signal + " during yield()."; OPCODE_BREAK; } +#else + obj->connect(signal, gdfs.ptr(), "_signal_callback", varray(gdfs), Object::CONNECT_ONESHOT); #endif } +#ifdef DEBUG_ENABLED exit_ok = true; +#endif OPCODE_BREAK; } @@ -1389,7 +1389,9 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a CHECK_SPACE(2); GET_VARIANT_PTR(r, 1); retvalue = *r; +#ifdef DEBUG_ENABLED exit_ok = true; +#endif OPCODE_BREAK; } @@ -1461,9 +1463,9 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE(OPCODE_ASSERT) { CHECK_SPACE(2); - GET_VARIANT_PTR(test, 1); #ifdef DEBUG_ENABLED + GET_VARIANT_PTR(test, 1); bool result = test->booleanize(); if (!result) { @@ -1518,8 +1520,9 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a DISPATCH_OPCODE; OPCODE(OPCODE_END) { - +#ifdef DEBUG_ENABLED exit_ok = true; +#endif OPCODE_BREAK; } @@ -1542,8 +1545,8 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a String err_file; if (p_instance) err_file = p_instance->script->path; - else if (_class) - err_file = _class->path; + else if (script) + err_file = script->path; if (err_file == "") err_file = "<built-in>"; String err_func = name; @@ -1757,17 +1760,14 @@ GDScriptFunction::~GDScriptFunction() { Variant GDScriptFunctionState::_signal_callback(const Variant **p_args, int p_argcount, Variant::CallError &r_error) { -#ifdef DEBUG_ENABLED if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) { +#ifdef DEBUG_ENABLED ERR_EXPLAIN("Resumed after yield, but class instance is gone"); ERR_FAIL_V(Variant()); - } - - if (state.script_id && !ObjectDB::get_instance(state.script_id)) { - ERR_EXPLAIN("Resumed after yield, but script is gone"); - ERR_FAIL_V(Variant()); - } +#else + return Variant(); #endif + } Variant arg; r_error.error = Variant::CallError::CALL_OK; @@ -1837,9 +1837,6 @@ bool GDScriptFunctionState::is_valid(bool p_extended_check) const { //class instance gone? if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) return false; - //script gone? - if (state.script_id && !ObjectDB::get_instance(state.script_id)) - return false; } return true; @@ -1848,17 +1845,14 @@ bool GDScriptFunctionState::is_valid(bool p_extended_check) const { Variant GDScriptFunctionState::resume(const Variant &p_arg) { ERR_FAIL_COND_V(!function, Variant()); -#ifdef DEBUG_ENABLED if (state.instance_id && !ObjectDB::get_instance(state.instance_id)) { +#ifdef DEBUG_ENABLED ERR_EXPLAIN("Resumed after yield, but class instance is gone"); ERR_FAIL_V(Variant()); - } - - if (state.script_id && !ObjectDB::get_instance(state.script_id)) { - ERR_EXPLAIN("Resumed after yield, but script is gone"); - ERR_FAIL_V(Variant()); - } +#else + return Variant(); #endif + } state.result = p_arg; Variant::CallError err; diff --git a/modules/gdscript/gdscript_function.h b/modules/gdscript/gdscript_function.h index bfb6d673f1..5509edf24a 100644 --- a/modules/gdscript/gdscript_function.h +++ b/modules/gdscript/gdscript_function.h @@ -272,15 +272,13 @@ private: public: struct CallState { - ObjectID instance_id; //by debug only - ObjectID script_id; - + ObjectID instance_id; GDScriptInstance *instance; Vector<uint8_t> stack; int stack_size; Variant self; uint32_t alloca_size; - GDScript *_class; + Ref<GDScript> script; int ip; int line; int defarg; diff --git a/modules/gdscript/gdscript_functions.cpp b/modules/gdscript/gdscript_functions.cpp index 5af9bbc05f..9ff33594ce 100644 --- a/modules/gdscript/gdscript_functions.cpp +++ b/modules/gdscript/gdscript_functions.cpp @@ -106,6 +106,8 @@ const char *GDScriptFunctions::get_func_name(Function p_func) { "printerr", "printraw", "print_debug", + "push_error", + "push_warning", "var2str", "str2var", "var2bytes", @@ -707,13 +709,40 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_ ScriptLanguage *script = GDScriptLanguage::get_singleton(); if (script->debug_get_stack_level_count() > 0) { - str += "\n\t"; - str += "At: " + script->debug_get_stack_level_source(0) + ":" + itos(script->debug_get_stack_level_line(0)); // + " in function '" + script->debug_get_stack_level_function(0) + "'"; + str += "\n At: " + script->debug_get_stack_level_source(0) + ":" + itos(script->debug_get_stack_level_line(0)) + ":" + script->debug_get_stack_level_function(0) + "()"; } print_line(str); r_ret = Variant(); } break; + case PUSH_ERROR: { + VALIDATE_ARG_COUNT(1); + if (p_args[0]->get_type() != Variant::STRING) { + r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; + r_error.argument = 0; + r_error.expected = Variant::STRING; + r_ret = Variant(); + break; + } + + String message = *p_args[0]; + ERR_PRINTS(message); + r_ret = Variant(); + } break; + case PUSH_WARNING: { + VALIDATE_ARG_COUNT(1); + if (p_args[0]->get_type() != Variant::STRING) { + r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; + r_error.argument = 0; + r_error.expected = Variant::STRING; + r_ret = Variant(); + break; + } + + String message = *p_args[0]; + WARN_PRINTS(message); + r_ret = Variant(); + } break; case VAR_TO_STR: { VALIDATE_ARG_COUNT(1); String vars; @@ -729,22 +758,14 @@ void GDScriptFunctions::call(Function p_func, const Variant **p_args, int p_arg_ r_ret = Variant(); return; } + r_ret = *p_args[0]; VariantParser::StreamString ss; ss.s = *p_args[0]; String errs; int line; - Error err = VariantParser::parse(&ss, r_ret, errs, line); - - if (err != OK) { - r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT; - r_error.argument = 0; - r_error.expected = Variant::STRING; - r_ret = "Parse error at line " + itos(line) + ": " + errs; - return; - } - + (void)VariantParser::parse(&ss, r_ret, errs, line); } break; case VAR_TO_BYTES: { VALIDATE_ARG_COUNT(1); @@ -1754,11 +1775,25 @@ MethodInfo GDScriptFunctions::get_info(Function p_func) { return mi; } break; + case PUSH_ERROR: { + + MethodInfo mi(Variant::NIL, "push_error", PropertyInfo(Variant::STRING, "message")); + mi.return_val.type = Variant::NIL; + return mi; + + } break; + case PUSH_WARNING: { + + MethodInfo mi(Variant::NIL, "push_warning", PropertyInfo(Variant::STRING, "message")); + mi.return_val.type = Variant::NIL; + return mi; + + } break; case VAR_TO_STR: { + MethodInfo mi("var2str", PropertyInfo(Variant::NIL, "var", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT)); mi.return_val.type = Variant::STRING; return mi; - } break; case STR_TO_VAR: { @@ -1768,10 +1803,10 @@ MethodInfo GDScriptFunctions::get_info(Function p_func) { return mi; } break; case VAR_TO_BYTES: { + MethodInfo mi("var2bytes", PropertyInfo(Variant::NIL, "var", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT)); mi.return_val.type = Variant::POOL_BYTE_ARRAY; return mi; - } break; case BYTES_TO_VAR: { diff --git a/modules/gdscript/gdscript_functions.h b/modules/gdscript/gdscript_functions.h index e920dd4ece..33d5f27230 100644 --- a/modules/gdscript/gdscript_functions.h +++ b/modules/gdscript/gdscript_functions.h @@ -97,6 +97,8 @@ public: TEXT_PRINTERR, TEXT_PRINTRAW, TEXT_PRINT_DEBUG, + PUSH_ERROR, + PUSH_WARNING, VAR_TO_STR, STR_TO_VAR, VAR_TO_BYTES, @@ -117,7 +119,6 @@ public: LEN, IS_INSTANCE_VALID, FUNC_MAX - }; static const char *get_func_name(Function p_func); diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index ea1287374b..0926c1a1ab 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -56,7 +56,9 @@ T *GDScriptParser::alloc_node() { return t; } +#ifdef DEBUG_ENABLED static String _find_function_name(const GDScriptParser::OperatorNode *p_call); +#endif // DEBUG_ENABLED bool GDScriptParser::_end_statement() { @@ -677,7 +679,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s if (tokenizer->get_token() == GDScriptTokenizer::TK_BUILT_IN_TYPE) { Variant::Type ct = tokenizer->get_token_type(); - if (p_parsing_constant == false) { + if (!p_parsing_constant) { if (ct == Variant::ARRAY) { if (tokenizer->get_token(2) == GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { ArrayNode *arr = alloc_node<ArrayNode>(); @@ -747,7 +749,6 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s while (!bfn && b) { if (b->variables.has(identifier)) { IdentifierNode *id = alloc_node<IdentifierNode>(); - LocalVarNode *lv = b->variables[identifier]; id->name = identifier; id->declared_block = b; id->line = id_line; @@ -755,6 +756,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s bfn = true; #ifdef DEBUG_ENABLED + LocalVarNode *lv = b->variables[identifier]; switch (tokenizer->get_token()) { case GDScriptTokenizer::TK_OP_ASSIGN_ADD: case GDScriptTokenizer::TK_OP_ASSIGN_BIT_AND: @@ -3750,6 +3752,19 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { BlockNode *block = alloc_node<BlockNode>(); block->parent_class = p_class; + FunctionNode *function = alloc_node<FunctionNode>(); + function->name = name; + function->arguments = arguments; + function->argument_types = argument_types; + function->default_values = default_values; + function->_static = _static; + function->line = fnline; +#ifdef DEBUG_ENABLED + function->arguments_usage = arguments_usage; +#endif // DEBUG_ENABLED + function->rpc_mode = rpc_mode; + rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED; + if (name == "_init") { if (_static) { @@ -3780,7 +3795,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { parenthesis++; while (true) { + current_function = function; Node *arg = _parse_and_reduce_expression(p_class, _static); + current_function = NULL; cparent->arguments.push_back(arg); if (tokenizer->get_token() == GDScriptTokenizer::TK_COMMA) { @@ -3824,19 +3841,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } - FunctionNode *function = alloc_node<FunctionNode>(); - function->name = name; function->return_type = return_type; - function->arguments = arguments; - function->argument_types = argument_types; - function->default_values = default_values; - function->_static = _static; - function->line = fnline; -#ifdef DEBUG_ENABLED - function->arguments_usage = arguments_usage; -#endif // DEBUG_ENABLED - function->rpc_mode = rpc_mode; - rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED; if (_static) p_class->static_functions.push_back(function); @@ -4351,6 +4356,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { current_export.type = Variant::INT; current_export.hint = is_flags ? PROPERTY_HINT_FLAGS : PROPERTY_HINT_ENUM; + current_export.usage |= PROPERTY_USAGE_SCRIPT_VARIABLE; Dictionary enum_values = constant; List<Variant> keys; @@ -4837,6 +4843,21 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { tokenizer->advance(); if (tokenizer->is_token_literal(0, true)) { enum_name = tokenizer->get_token_literal(); + + if (current_class->constant_expressions.has(enum_name)) { + _set_error("A constant named '" + String(enum_name) + "' already exists in this class (at line: " + + itos(current_class->constant_expressions[enum_name].expression->line) + ")."); + return; + } + + for (int i = 0; i < current_class->variables.size(); i++) { + if (current_class->variables[i].identifier == enum_name) { + _set_error("A variable named '" + String(enum_name) + "' already exists in this class (at line: " + + itos(current_class->variables[i].line) + ")."); + return; + } + } + tokenizer->advance(); } if (tokenizer->get_token() != GDScriptTokenizer::TK_CURLY_BRACKET_OPEN) { @@ -4863,26 +4884,12 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } else { // tokenizer->is_token_literal(0, true) - ClassNode::Constant constant; - StringName const_id = tokenizer->get_token_literal(); - if (current_class->constant_expressions.has(const_id)) { - _set_error("A constant named '" + String(const_id) + "' already exists in this class (at line: " + - itos(current_class->constant_expressions[const_id].expression->line) + ")."); - return; - } - - for (int i = 0; i < current_class->variables.size(); i++) { - if (current_class->variables[i].identifier == const_id) { - _set_error("A variable named '" + String(const_id) + "' already exists in this class (at line: " + - itos(current_class->variables[i].line) + ")."); - return; - } - } - tokenizer->advance(); + ConstantNode *enum_value_expr; + if (tokenizer->get_token() == GDScriptTokenizer::TK_OP_ASSIGN) { tokenizer->advance(); @@ -4899,23 +4906,20 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } - ConstantNode *subexpr_const = static_cast<ConstantNode *>(subexpr); + enum_value_expr = static_cast<ConstantNode *>(subexpr); - if (subexpr_const->value.get_type() != Variant::INT) { + if (enum_value_expr->value.get_type() != Variant::INT) { _set_error("Expected an int value for enum"); return; } - last_assign = subexpr_const->value; - - constant.expression = subexpr_const; + last_assign = enum_value_expr->value; } else { last_assign = last_assign + 1; - ConstantNode *cn = alloc_node<ConstantNode>(); - cn->value = last_assign; - cn->datatype = _type_from_variant(cn->value); - constant.expression = cn; + enum_value_expr = alloc_node<ConstantNode>(); + enum_value_expr->value = last_assign; + enum_value_expr->datatype = _type_from_variant(enum_value_expr->value); } if (tokenizer->get_token() == GDScriptTokenizer::TK_COMMA) { @@ -4923,14 +4927,29 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { } if (enum_name != "") { - const ConstantNode *cn = static_cast<const ConstantNode *>(constant.expression); - enum_dict[const_id] = cn->value; - } + enum_dict[const_id] = enum_value_expr->value; + } else { + if (current_class->constant_expressions.has(const_id)) { + _set_error("A constant named '" + String(const_id) + "' already exists in this class (at line: " + + itos(current_class->constant_expressions[const_id].expression->line) + ")."); + return; + } + + for (int i = 0; i < current_class->variables.size(); i++) { + if (current_class->variables[i].identifier == const_id) { + _set_error("A variable named '" + String(const_id) + "' already exists in this class (at line: " + + itos(current_class->variables[i].line) + ")."); + return; + } + } - constant.type.has_type = true; - constant.type.kind = DataType::BUILTIN; - constant.type.builtin_type = Variant::INT; - p_class->constant_expressions.insert(const_id, constant); + ClassNode::Constant constant; + constant.type.has_type = true; + constant.type.kind = DataType::BUILTIN; + constant.type.builtin_type = Variant::INT; + constant.expression = enum_value_expr; + p_class->constant_expressions.insert(const_id, constant); + } } } @@ -5079,7 +5098,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { if (found) continue; if (p->constant_expressions.has(base)) { - if (!p->constant_expressions[base].expression->type == Node::TYPE_CONSTANT) { + if (p->constant_expressions[base].expression->type != Node::TYPE_CONSTANT) { _set_error("Could not resolve constant '" + base + "'.", p_class->line); return; } @@ -5219,6 +5238,8 @@ String GDScriptParser::DataType::to_string() const { } return class_type->name.operator String(); } break; + case UNRESOLVED: { + } break; } return "Unresolved"; @@ -5791,7 +5812,10 @@ bool GDScriptParser::_is_type_compatible(const DataType &p_container, const Data expr_native = base->base_type.native_type; expr_script = base->base_type.script_type; } - } + } break; + case DataType::BUILTIN: // Already handled above + case DataType::UNRESOLVED: // Not allowed, see above + break; } switch (p_container.kind) { @@ -5834,7 +5858,10 @@ bool GDScriptParser::_is_type_compatible(const DataType &p_container, const Data expr_class = expr_class->base_type.class_type; } return false; - } + } break; + case DataType::BUILTIN: // Already handled above + case DataType::UNRESOLVED: // Not allowed, see above + break; } return false; @@ -6228,6 +6255,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) { case Variant::COLOR: { error = index_type.builtin_type != Variant::INT && index_type.builtin_type != Variant::STRING; } break; + default: {} } } if (error) { @@ -6345,6 +6373,7 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) { } } } break; + default: {} } p_node->set_datatype(_resolve_type(node_type, p_node->line)); @@ -6406,6 +6435,10 @@ bool GDScriptParser::_get_function_signature(DataType &p_base_type, const String StringName native; if (p_base_type.kind == DataType::GDSCRIPT) { base_gdscript = p_base_type.script_type; + if (base_gdscript.is_null() || !base_gdscript->is_valid()) { + // GDScript wasn't properly compíled, don't bother trying + return false; + } } else if (p_base_type.kind == DataType::SCRIPT) { base_script = p_base_type.script_type; } else if (p_base_type.kind == DataType::NATIVE) { @@ -6446,6 +6479,12 @@ bool GDScriptParser::_get_function_signature(DataType &p_base_type, const String base_script = base_script->get_base_script(); } + if (native == StringName()) { + // Empty native class, might happen in some Script implementations + // Just ignore it + return false; + } + #ifdef DEBUG_METHODS_ENABLED // Only native remains @@ -6697,9 +6736,15 @@ GDScriptParser::DataType GDScriptParser::_reduce_function_call_type(const Operat } } + bool rets = false; return_type.has_type = true; return_type.kind = DataType::BUILTIN; - return_type.builtin_type = Variant::get_method_return_type(base_type.builtin_type, callee_name); + return_type.builtin_type = Variant::get_method_return_type(base_type.builtin_type, callee_name, &rets); + // If the method returns, but it might return any type, (Variant::NIL), pretend we don't know the type. + // At least make sure we know that it returns + if (rets && return_type.builtin_type == Variant::NIL) { + return_type.has_type = false; + } break; } @@ -6882,6 +6927,10 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN Ref<GDScript> gds; if (base_type.kind == DataType::GDSCRIPT) { gds = base_type.script_type; + if (gds.is_null() || !gds->is_valid()) { + // GDScript wasn't properly compíled, don't bother trying + return false; + } } Ref<Script> scr; @@ -6944,6 +6993,12 @@ bool GDScriptParser::_get_member_type(const DataType &p_base_type, const StringN scr = scr->get_base_script(); } + if (native == StringName()) { + // Empty native class, might happen in some Script implementations + // Just ignore it + return false; + } + // Check ClassDB if (!ClassDB::class_exists(native)) { native = "_" + native.operator String(); @@ -7062,7 +7117,6 @@ GDScriptParser::DataType GDScriptParser::_reduce_identifier_type(const DataType DataType member_type; for (int i = 0; i < current_class->variables.size(); i++) { - ClassNode::Member m = current_class->variables[i]; if (current_class->variables[i].identifier == p_identifier) { member_type = current_class->variables[i].data_type; current_class->variables.write[i].usages += 1; @@ -7825,7 +7879,7 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) { // Figure out function name for warning String func_name = _find_function_name(op); if (func_name.empty()) { - func_name == "<undetected name>"; + func_name = "<undetected name>"; } _add_warning(GDScriptWarning::RETURN_VALUE_DISCARDED, op->line, func_name); } diff --git a/modules/gdscript/gdscript_parser.h b/modules/gdscript/gdscript_parser.h index cd68072499..8121fb7f85 100644 --- a/modules/gdscript/gdscript_parser.h +++ b/modules/gdscript/gdscript_parser.h @@ -88,6 +88,8 @@ public: case CLASS: { return class_type == other.class_type; } break; + case UNRESOLVED: { + } break; } return false; } @@ -553,7 +555,6 @@ private: CompletionType completion_type; StringName completion_cursor; - bool completion_static; Variant::Type completion_built_in_constant; Node *completion_node; ClassNode *completion_class; diff --git a/modules/gdscript/gdscript_tokenizer.cpp b/modules/gdscript/gdscript_tokenizer.cpp index 77e1b7290e..c37142b3c1 100644 --- a/modules/gdscript/gdscript_tokenizer.cpp +++ b/modules/gdscript/gdscript_tokenizer.cpp @@ -128,8 +128,8 @@ const char *GDScriptTokenizer::token_names[TK_MAX] = { "'.'", "'?'", "':'", - "'->'", "'$'", + "'->'", "'\\n'", "PI", "TAU", |