diff options
Diffstat (limited to 'modules/gdscript/gdscript_parser.cpp')
| -rw-r--r-- | modules/gdscript/gdscript_parser.cpp | 854 |
1 files changed, 694 insertions, 160 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index fde3662d66..029e30080b 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* 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 */ @@ -31,9 +31,9 @@ #include "gdscript_parser.h" #include "core/config/project_settings.h" +#include "core/io/file_access.h" #include "core/io/resource_loader.h" #include "core/math/math_defs.h" -#include "core/os/file_access.h" #include "gdscript.h" #ifdef DEBUG_ENABLED @@ -47,7 +47,7 @@ static HashMap<StringName, Variant::Type> builtin_types; Variant::Type GDScriptParser::get_builtin_type(const StringName &p_type) { - if (builtin_types.empty()) { + if (builtin_types.is_empty()) { builtin_types["bool"] = Variant::BOOL; builtin_types["int"] = Variant::INT; builtin_types["float"] = Variant::FLOAT; @@ -61,9 +61,9 @@ Variant::Type GDScriptParser::get_builtin_type(const StringName &p_type) { builtin_types["Vector3i"] = Variant::VECTOR3I; builtin_types["AABB"] = Variant::AABB; builtin_types["Plane"] = Variant::PLANE; - builtin_types["Quat"] = Variant::QUAT; + builtin_types["Quaternion"] = Variant::QUATERNION; builtin_types["Basis"] = Variant::BASIS; - builtin_types["Transform"] = Variant::TRANSFORM; + builtin_types["Transform3D"] = Variant::TRANSFORM3D; builtin_types["Color"] = Variant::COLOR; builtin_types["RID"] = Variant::RID; builtin_types["Object"] = Variant::OBJECT; @@ -98,32 +98,22 @@ void GDScriptParser::cleanup() { builtin_types.clear(); } -GDScriptFunctions::Function GDScriptParser::get_builtin_function(const StringName &p_name) { - for (int i = 0; i < GDScriptFunctions::FUNC_MAX; i++) { - if (p_name == GDScriptFunctions::get_func_name(GDScriptFunctions::Function(i))) { - return GDScriptFunctions::Function(i); - } - } - return GDScriptFunctions::FUNC_MAX; -} - void GDScriptParser::get_annotation_list(List<MethodInfo> *r_annotations) const { List<StringName> keys; valid_annotations.get_key_list(&keys); - for (const List<StringName>::Element *E = keys.front(); E != nullptr; E = E->next()) { - r_annotations->push_back(valid_annotations[E->get()].info); + for (const StringName &E : keys) { + r_annotations->push_back(valid_annotations[E].info); } } GDScriptParser::GDScriptParser() { // Register valid annotations. // TODO: Should this be static? - // TODO: Validate applicable types (e.g. a VARIABLE annotation that only applies to string variables). register_annotation(MethodInfo("@tool"), AnnotationInfo::SCRIPT, &GDScriptParser::tool_annotation); register_annotation(MethodInfo("@icon", { Variant::STRING, "icon_path" }), AnnotationInfo::SCRIPT, &GDScriptParser::icon_annotation); register_annotation(MethodInfo("@onready"), AnnotationInfo::VARIABLE, &GDScriptParser::onready_annotation); // Export annotations. - register_annotation(MethodInfo("@export"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_TYPE_STRING, Variant::NIL>); + register_annotation(MethodInfo("@export"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_NONE, Variant::NIL>); register_annotation(MethodInfo("@export_enum", { Variant::STRING, "names" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_ENUM, Variant::INT>, 0, true); register_annotation(MethodInfo("@export_file", { Variant::STRING, "filter" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_FILE, Variant::STRING>, 1, true); register_annotation(MethodInfo("@export_dir"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_DIR, Variant::STRING>); @@ -132,22 +122,18 @@ GDScriptParser::GDScriptParser() { register_annotation(MethodInfo("@export_multiline"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_MULTILINE_TEXT, Variant::STRING>); register_annotation(MethodInfo("@export_placeholder"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_PLACEHOLDER_TEXT, Variant::STRING>); register_annotation(MethodInfo("@export_range", { Variant::FLOAT, "min" }, { Variant::FLOAT, "max" }, { Variant::FLOAT, "step" }, { Variant::STRING, "slider1" }, { Variant::STRING, "slider2" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_RANGE, Variant::FLOAT>, 3); - register_annotation(MethodInfo("@export_exp_range", { Variant::FLOAT, "min" }, { Variant::FLOAT, "max" }, { Variant::FLOAT, "step" }, { Variant::STRING, "slider1" }, { Variant::STRING, "slider2" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_EXP_RANGE, Variant::FLOAT>, 3); register_annotation(MethodInfo("@export_exp_easing", { Variant::STRING, "hint1" }, { Variant::STRING, "hint2" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_EXP_EASING, Variant::FLOAT>, 2); register_annotation(MethodInfo("@export_color_no_alpha"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_COLOR_NO_ALPHA, Variant::COLOR>); register_annotation(MethodInfo("@export_node_path", { Variant::STRING, "type" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_NODE_PATH_VALID_TYPES, Variant::NODE_PATH>, 1, true); register_annotation(MethodInfo("@export_flags", { Variant::STRING, "names" }), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_FLAGS, Variant::INT>, 0, true); register_annotation(MethodInfo("@export_flags_2d_render"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_2D_RENDER, Variant::INT>); register_annotation(MethodInfo("@export_flags_2d_physics"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_2D_PHYSICS, Variant::INT>); + register_annotation(MethodInfo("@export_flags_2d_navigation"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_2D_NAVIGATION, Variant::INT>); register_annotation(MethodInfo("@export_flags_3d_render"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_3D_RENDER, Variant::INT>); register_annotation(MethodInfo("@export_flags_3d_physics"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_3D_PHYSICS, Variant::INT>); + register_annotation(MethodInfo("@export_flags_3d_navigation"), AnnotationInfo::VARIABLE, &GDScriptParser::export_annotations<PROPERTY_HINT_LAYERS_3D_NAVIGATION, Variant::INT>); // Networking. - register_annotation(MethodInfo("@remote"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_REMOTE>); - register_annotation(MethodInfo("@master"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_MASTER>); - register_annotation(MethodInfo("@puppet"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_PUPPET>); - register_annotation(MethodInfo("@remotesync"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_REMOTESYNC>); - register_annotation(MethodInfo("@mastersync"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_MASTERSYNC>); - register_annotation(MethodInfo("@puppetsync"), AnnotationInfo::VARIABLE | AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_PUPPETSYNC>); + register_annotation(MethodInfo("@rpc", { Variant::STRING, "mode" }, { Variant::STRING, "sync" }, { Variant::STRING, "transfer_mode" }, { Variant::INT, "transfer_channel" }), AnnotationInfo::FUNCTION, &GDScriptParser::network_annotations<MultiplayerAPI::RPC_MODE_PUPPET>, 4, true); // TODO: Warning annotations. } @@ -184,23 +170,25 @@ void GDScriptParser::push_error(const String &p_message, const Node *p_origin) { #ifdef DEBUG_ENABLED void GDScriptParser::push_warning(const Node *p_source, GDScriptWarning::Code p_code, const String &p_symbol1, const String &p_symbol2, const String &p_symbol3, const String &p_symbol4) { + ERR_FAIL_COND(p_source == nullptr); Vector<String> symbols; - if (!p_symbol1.empty()) { + if (!p_symbol1.is_empty()) { symbols.push_back(p_symbol1); } - if (!p_symbol2.empty()) { + if (!p_symbol2.is_empty()) { symbols.push_back(p_symbol2); } - if (!p_symbol3.empty()) { + if (!p_symbol3.is_empty()) { symbols.push_back(p_symbol3); } - if (!p_symbol4.empty()) { + if (!p_symbol4.is_empty()) { symbols.push_back(p_symbol4); } push_warning(p_source, p_code, symbols); } void GDScriptParser::push_warning(const Node *p_source, GDScriptWarning::Code p_code, const Vector<String> &p_symbols) { + ERR_FAIL_COND(p_source == nullptr); if (is_ignoring_warnings) { return; } @@ -225,7 +213,7 @@ void GDScriptParser::push_warning(const Node *p_source, GDScriptWarning::Code p_ warning.rightmost_column = p_source->rightmost_column; List<GDScriptWarning>::Element *before = nullptr; - for (List<GDScriptWarning>::Element *E = warnings.front(); E != nullptr; E = E->next()) { + for (List<GDScriptWarning>::Element *E = warnings.front(); E; E = E->next()) { if (E->get().start_line > warning.start_line) { break; } @@ -291,7 +279,7 @@ void GDScriptParser::pop_completion_call() { if (!for_completion) { return; } - ERR_FAIL_COND_MSG(completion_call_stack.empty(), "Trying to pop empty completion call stack"); + ERR_FAIL_COND_MSG(completion_call_stack.is_empty(), "Trying to pop empty completion call stack"); completion_call_stack.pop_back(); } @@ -299,7 +287,7 @@ void GDScriptParser::set_last_completion_call_arg(int p_argument) { if (!for_completion || passed_cursor) { return; } - ERR_FAIL_COND_MSG(completion_call_stack.empty(), "Trying to set argument on empty completion call stack"); + ERR_FAIL_COND_MSG(completion_call_stack.is_empty(), "Trying to set argument on empty completion call stack"); completion_call_stack.back()->get().argument = p_argument; } @@ -314,7 +302,7 @@ Error GDScriptParser::parse(const String &p_source_code, const String &p_script_ int tab_size = 4; #ifdef TOOLS_ENABLED if (EditorSettings::get_singleton()) { - tab_size = EditorSettings::get_singleton()->get_setting("text_editor/indent/size"); + tab_size = EditorSettings::get_singleton()->get_setting("text_editor/behavior/indent/size"); } #endif // TOOLS_ENABLED @@ -365,7 +353,7 @@ Error GDScriptParser::parse(const String &p_source_code, const String &p_script_ } #endif - if (errors.empty()) { + if (errors.is_empty()) { return OK; } else { return ERR_PARSE_ERROR; @@ -373,10 +361,12 @@ Error GDScriptParser::parse(const String &p_source_code, const String &p_script_ } GDScriptTokenizer::Token GDScriptParser::advance() { + lambda_ended = false; // Empty marker since we're past the end in any case. + if (current.type == GDScriptTokenizer::Token::TK_EOF) { ERR_FAIL_COND_V_MSG(current.type == GDScriptTokenizer::Token::TK_EOF, current, "GDScript parser bug: Trying to advance past the end of stream."); } - if (for_completion && !completion_call_stack.empty()) { + if (for_completion && !completion_call_stack.is_empty()) { if (completion_call.call == nullptr && tokenizer.is_past_cursor()) { completion_call = completion_call_stack.back()->get(); passed_cursor = true; @@ -399,7 +389,7 @@ bool GDScriptParser::match(GDScriptTokenizer::Token::Type p_token_type) { return true; } -bool GDScriptParser::check(GDScriptTokenizer::Token::Type p_token_type) { +bool GDScriptParser::check(GDScriptTokenizer::Token::Type p_token_type) const { if (p_token_type == GDScriptTokenizer::Token::IDENTIFIER) { return current.is_identifier(); } @@ -414,7 +404,7 @@ bool GDScriptParser::consume(GDScriptTokenizer::Token::Type p_token_type, const return false; } -bool GDScriptParser::is_at_end() { +bool GDScriptParser::is_at_end() const { return check(GDScriptTokenizer::Token::TK_EOF); } @@ -465,16 +455,34 @@ void GDScriptParser::pop_multiline() { tokenizer.set_multiline_mode(multiline_stack.size() > 0 ? multiline_stack.back()->get() : false); } -bool GDScriptParser::is_statement_end() { +bool GDScriptParser::is_statement_end_token() const { return check(GDScriptTokenizer::Token::NEWLINE) || check(GDScriptTokenizer::Token::SEMICOLON) || check(GDScriptTokenizer::Token::TK_EOF); } +bool GDScriptParser::is_statement_end() const { + return lambda_ended || in_lambda || is_statement_end_token(); +} + void GDScriptParser::end_statement(const String &p_context) { bool found = false; while (is_statement_end() && !is_at_end()) { // Remove sequential newlines/semicolons. + if (is_statement_end_token()) { + // Only consume if this is an actual token. + advance(); + } else if (lambda_ended) { + lambda_ended = false; // Consume this "token". + found = true; + break; + } else { + if (!found) { + lambda_ended = true; // Mark the lambda as done since we found something else to end the statement. + found = true; + } + break; + } + found = true; - advance(); } if (!found && !is_at_end()) { push_error(vformat(R"(Expected end of statement after %s, found "%s" instead.)", p_context, current.get_name())); @@ -507,7 +515,7 @@ void GDScriptParser::parse_program() { // Order here doesn't matter, but there should be only one of each at most. switch (current.type) { case GDScriptTokenizer::Token::CLASS_NAME: - if (!annotation_stack.empty()) { + if (!annotation_stack.is_empty()) { push_error(R"("class_name" should be used before annotations.)"); } advance(); @@ -518,7 +526,7 @@ void GDScriptParser::parse_program() { } break; case GDScriptTokenizer::Token::EXTENDS: - if (!annotation_stack.empty()) { + if (!annotation_stack.is_empty()) { push_error(R"("extends" should be used before annotations.)"); } advance(); @@ -556,6 +564,17 @@ void GDScriptParser::parse_program() { parse_class_body(); +#ifdef TOOLS_ENABLED + for (Map<int, GDScriptTokenizer::CommentData>::Element *E = tokenizer.get_comments().front(); E; E = E->next()) { + if (E->get().new_line && E->get().comment.begins_with("##")) { + class_doc_line = MIN(class_doc_line, E->key()); + } + } + if (has_comment(class_doc_line)) { + get_class_doc_comment(class_doc_line, head->doc_brief_description, head->doc_description, head->doc_tutorials, false); + } +#endif // TOOLS_ENABLED + if (!check(GDScriptTokenizer::Token::TK_EOF)) { push_error("Expected end of file."); } @@ -666,11 +685,14 @@ void GDScriptParser::parse_class_member(T *(GDScriptParser::*p_parse_function)() if (member == nullptr) { return; } +#ifdef TOOLS_ENABLED + int doc_comment_line = member->start_line - 1; +#endif // TOOLS_ENABLED + // Consume annotations. - while (!annotation_stack.empty()) { + while (!annotation_stack.is_empty()) { AnnotationNode *last_annotation = annotation_stack.back()->get(); if (last_annotation->applies_to(p_target)) { - last_annotation->apply(this, member); member->annotations.push_front(last_annotation); annotation_stack.pop_back(); } else { @@ -678,7 +700,25 @@ void GDScriptParser::parse_class_member(T *(GDScriptParser::*p_parse_function)() clear_unused_annotations(); return; } +#ifdef TOOLS_ENABLED + if (last_annotation->start_line == doc_comment_line) { + doc_comment_line--; + } +#endif // TOOLS_ENABLED + } + +#ifdef TOOLS_ENABLED + // Consume doc comments. + class_doc_line = MIN(class_doc_line, doc_comment_line - 1); + if (has_comment(doc_comment_line)) { + if constexpr (std::is_same_v<T, ClassNode>) { + get_class_doc_comment(doc_comment_line, member->doc_brief_description, member->doc_description, member->doc_tutorials, true); + } else { + member->doc_description = get_doc_comment(doc_comment_line); + } } +#endif // TOOLS_ENABLED + if (member->identifier != nullptr) { // Enums may be unnamed. // TODO: Consider names in outer scope too, for constants and classes (and static functions?) @@ -750,6 +790,7 @@ GDScriptParser::VariableNode *GDScriptParser::parse_variable(bool p_allow_proper VariableNode *variable = alloc_node<VariableNode>(); variable->identifier = parse_identifier(); + variable->export_info.name = variable->identifier->name; if (match(GDScriptTokenizer::Token::COLON)) { if (check(GDScriptTokenizer::Token::NEWLINE)) { @@ -783,6 +824,9 @@ GDScriptParser::VariableNode *GDScriptParser::parse_variable(bool p_allow_proper if (match(GDScriptTokenizer::Token::EQUAL)) { // Initializer. variable->initializer = parse_expression(false); + if (variable->initializer == nullptr) { + push_error(R"(Expected expression for variable initial value after "=".)"); + } variable->assignments++; } @@ -796,8 +840,6 @@ GDScriptParser::VariableNode *GDScriptParser::parse_variable(bool p_allow_proper end_statement("variable declaration"); - variable->export_info.name = variable->identifier->name; - return variable; } @@ -950,6 +992,8 @@ GDScriptParser::ConstantNode *GDScriptParser::parse_constant() { push_error(R"(Expected initializer expression for constant.)"); return nullptr; } + } else { + return nullptr; } end_statement("constant declaration"); @@ -1048,6 +1092,7 @@ GDScriptParser::EnumNode *GDScriptParser::parse_enum() { item.parent_enum = enum_node; item.line = previous.start_line; item.leftmost_column = previous.leftmost_column; + item.rightmost_column = previous.rightmost_column; if (elements.has(item.identifier->name)) { push_error(vformat(R"(Name "%s" was already in this enum (at line %d).)", item.identifier->name, elements[item.identifier->name]), item.identifier); @@ -1072,7 +1117,6 @@ GDScriptParser::EnumNode *GDScriptParser::parse_enum() { } item.custom_value = value; } - item.rightmost_column = previous.rightmost_column; item.index = enum_node->values.size(); enum_node->values.push_back(item); @@ -1086,41 +1130,37 @@ GDScriptParser::EnumNode *GDScriptParser::parse_enum() { pop_multiline(); consume(GDScriptTokenizer::Token::BRACE_CLOSE, R"(Expected closing "}" for enum.)"); - end_statement("enum"); - - return enum_node; -} - -GDScriptParser::FunctionNode *GDScriptParser::parse_function() { - bool _static = false; - if (previous.type == GDScriptTokenizer::Token::STATIC) { - // TODO: Improve message if user uses "static" with "var" or "const" - if (!consume(GDScriptTokenizer::Token::FUNC, R"(Expected "func" after "static".)")) { - return nullptr; +#ifdef TOOLS_ENABLED + // Enum values documentation. + for (int i = 0; i < enum_node->values.size(); i++) { + if (i == enum_node->values.size() - 1) { + // If close bracket is same line as last value. + if (enum_node->values[i].line != previous.start_line && has_comment(enum_node->values[i].line)) { + if (named) { + enum_node->values.write[i].doc_description = get_doc_comment(enum_node->values[i].line, true); + } else { + current_class->set_enum_value_doc(enum_node->values[i].identifier->name, get_doc_comment(enum_node->values[i].line, true)); + } + } + } else { + // If two values are same line. + if (enum_node->values[i].line != enum_node->values[i + 1].line && has_comment(enum_node->values[i].line)) { + if (named) { + enum_node->values.write[i].doc_description = get_doc_comment(enum_node->values[i].line, true); + } else { + current_class->set_enum_value_doc(enum_node->values[i].identifier->name, get_doc_comment(enum_node->values[i].line, true)); + } + } } - _static = true; } +#endif // TOOLS_ENABLED - FunctionNode *function = alloc_node<FunctionNode>(); - make_completion_context(COMPLETION_OVERRIDE_METHOD, function); - - if (!consume(GDScriptTokenizer::Token::IDENTIFIER, R"(Expected function name after "func".)")) { - return nullptr; - } - - FunctionNode *previous_function = current_function; - current_function = function; - - function->identifier = parse_identifier(); - function->is_static = _static; - - push_multiline(true); - consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after function name.)"); + end_statement("enum"); - SuiteNode *body = alloc_node<SuiteNode>(); - SuiteNode *previous_suite = current_suite; - current_suite = body; + return enum_node; +} +void GDScriptParser::parse_function_signature(FunctionNode *p_function, SuiteNode *p_body, const String &p_type) { if (!check(GDScriptTokenizer::Token::PARENTHESIS_CLOSE) && !is_at_end()) { bool default_used = false; do { @@ -1140,29 +1180,61 @@ GDScriptParser::FunctionNode *GDScriptParser::parse_function() { continue; } } - if (function->parameters_indices.has(parameter->identifier->name)) { - push_error(vformat(R"(Parameter with name "%s" was already declared for this function.)", parameter->identifier->name)); + if (p_function->parameters_indices.has(parameter->identifier->name)) { + push_error(vformat(R"(Parameter with name "%s" was already declared for this %s.)", parameter->identifier->name, p_type)); } else { - function->parameters_indices[parameter->identifier->name] = function->parameters.size(); - function->parameters.push_back(parameter); - body->add_local(parameter); + p_function->parameters_indices[parameter->identifier->name] = p_function->parameters.size(); + p_function->parameters.push_back(parameter); + p_body->add_local(parameter, current_function); } } while (match(GDScriptTokenizer::Token::COMMA)); } pop_multiline(); - consume(GDScriptTokenizer::Token::PARENTHESIS_CLOSE, R"*(Expected closing ")" after function parameters.)*"); + consume(GDScriptTokenizer::Token::PARENTHESIS_CLOSE, vformat(R"*(Expected closing ")" after %s parameters.)*", p_type)); if (match(GDScriptTokenizer::Token::FORWARD_ARROW)) { - make_completion_context(COMPLETION_TYPE_NAME_OR_VOID, function); - function->return_type = parse_type(true); - if (function->return_type == nullptr) { + make_completion_context(COMPLETION_TYPE_NAME_OR_VOID, p_function); + p_function->return_type = parse_type(true); + if (p_function->return_type == nullptr) { push_error(R"(Expected return type or "void" after "->".)"); } } // TODO: Improve token consumption so it synchronizes to a statement boundary. This way we can get into the function body with unrecognized tokens. - consume(GDScriptTokenizer::Token::COLON, R"(Expected ":" after function declaration.)"); + consume(GDScriptTokenizer::Token::COLON, vformat(R"(Expected ":" after %s declaration.)", p_type)); +} + +GDScriptParser::FunctionNode *GDScriptParser::parse_function() { + bool _static = false; + if (previous.type == GDScriptTokenizer::Token::STATIC) { + // TODO: Improve message if user uses "static" with "var" or "const" + if (!consume(GDScriptTokenizer::Token::FUNC, R"(Expected "func" after "static".)")) { + return nullptr; + } + _static = true; + } + + FunctionNode *function = alloc_node<FunctionNode>(); + make_completion_context(COMPLETION_OVERRIDE_METHOD, function); + + if (!consume(GDScriptTokenizer::Token::IDENTIFIER, R"(Expected function name after "func".)")) { + return nullptr; + } + + FunctionNode *previous_function = current_function; + current_function = function; + + function->identifier = parse_identifier(); + function->is_static = _static; + + SuiteNode *body = alloc_node<SuiteNode>(); + SuiteNode *previous_suite = current_suite; + current_suite = body; + + push_multiline(true); + consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after function name.)"); + parse_function_signature(function, body, "function"); current_suite = previous_suite; function->body = parse_suite("function declaration", body); @@ -1224,8 +1296,7 @@ GDScriptParser::AnnotationNode *GDScriptParser::parse_annotation(uint32_t p_vali } void GDScriptParser::clear_unused_annotations() { - for (const List<AnnotationNode *>::Element *E = annotation_stack.front(); E != nullptr; E = E->next()) { - AnnotationNode *annotation = E->get(); + for (const AnnotationNode *annotation : annotation_stack) { push_error(vformat(R"(Annotation "%s" does not precedes a valid target, so it will have no effect.)", annotation->name), annotation); } @@ -1248,29 +1319,34 @@ bool GDScriptParser::register_annotation(const MethodInfo &p_info, uint32_t p_ta return true; } -GDScriptParser::SuiteNode *GDScriptParser::parse_suite(const String &p_context, SuiteNode *p_suite) { +GDScriptParser::SuiteNode *GDScriptParser::parse_suite(const String &p_context, SuiteNode *p_suite, bool p_for_lambda) { SuiteNode *suite = p_suite != nullptr ? p_suite : alloc_node<SuiteNode>(); suite->parent_block = current_suite; + suite->parent_function = current_function; current_suite = suite; bool multiline = false; - if (check(GDScriptTokenizer::Token::NEWLINE)) { + if (match(GDScriptTokenizer::Token::NEWLINE)) { multiline = true; } if (multiline) { - consume(GDScriptTokenizer::Token::NEWLINE, vformat(R"(Expected newline after %s.)", p_context)); - if (!consume(GDScriptTokenizer::Token::INDENT, vformat(R"(Expected indented block after %s.)", p_context))) { current_suite = suite->parent_block; return suite; } } + int error_count = 0; + do { Node *statement = parse_statement(); if (statement == nullptr) { + if (error_count++ > 100) { + push_error("Too many statement errors.", suite); + break; + } continue; } suite->statements.push_back(statement); @@ -1283,7 +1359,7 @@ GDScriptParser::SuiteNode *GDScriptParser::parse_suite(const String &p_context, if (local.type != SuiteNode::Local::UNDEFINED) { push_error(vformat(R"(There is already a %s named "%s" declared in this scope.)", local.get_name(), variable->identifier->name)); } - current_suite->add_local(variable); + current_suite->add_local(variable, current_function); break; } case Node::CONSTANT: { @@ -1298,19 +1374,29 @@ GDScriptParser::SuiteNode *GDScriptParser::parse_suite(const String &p_context, } push_error(vformat(R"(There is already a %s named "%s" declared in this scope.)", name, constant->identifier->name)); } - current_suite->add_local(constant); + current_suite->add_local(constant, current_function); break; } default: break; } - } while (multiline && !check(GDScriptTokenizer::Token::DEDENT) && !is_at_end()); + } while (multiline && !check(GDScriptTokenizer::Token::DEDENT) && !lambda_ended && !is_at_end()); if (multiline) { - consume(GDScriptTokenizer::Token::DEDENT, vformat(R"(Missing unindent at the end of %s.)", p_context)); + if (!lambda_ended) { + consume(GDScriptTokenizer::Token::DEDENT, vformat(R"(Missing unindent at the end of %s.)", p_context)); + + } else { + match(GDScriptTokenizer::Token::DEDENT); + } + } else if (previous.type == GDScriptTokenizer::Token::SEMICOLON) { + consume(GDScriptTokenizer::Token::NEWLINE, vformat(R"(Expected newline after ";" at the end of %s.)", p_context)); } + if (p_for_lambda) { + lambda_ended = true; + } current_suite = suite->parent_block; return suite; } @@ -1367,6 +1453,10 @@ GDScriptParser::Node *GDScriptParser::parse_statement() { push_error(R"(Constructor cannot return a value.)"); } n_return->return_value = parse_expression(false); + } else if (in_lambda && !is_statement_end_token()) { + // Try to parse it anyway as this might not be the statement end in a lambda. + // If this fails the expression will be nullptr, but that's the same as no return, so it's fine. + n_return->return_value = parse_expression(false); } result = n_return; @@ -1395,10 +1485,18 @@ GDScriptParser::Node *GDScriptParser::parse_statement() { default: { // Expression statement. ExpressionNode *expression = parse_expression(true); // Allow assignment here. + bool has_ended_lambda = false; if (expression == nullptr) { - push_error(vformat(R"(Expected statement, found "%s" instead.)", previous.get_name())); + if (in_lambda) { + // If it's not a valid expression beginning, it might be the continuation of the outer expression where this lambda is. + lambda_ended = true; + has_ended_lambda = true; + } else { + push_error(vformat(R"(Expected statement, found "%s" instead.)", previous.get_name())); + } } end_statement("expression"); + lambda_ended = lambda_ended || has_ended_lambda; result = expression; #ifdef DEBUG_ENABLED @@ -1419,9 +1517,13 @@ GDScriptParser::Node *GDScriptParser::parse_statement() { } #ifdef DEBUG_ENABLED - if (unreachable) { + if (unreachable && result != nullptr) { current_suite->has_unreachable_code = true; - push_warning(result, GDScriptWarning::UNREACHABLE_CODE, current_function->identifier->name); + if (current_function) { + push_warning(result, GDScriptWarning::UNREACHABLE_CODE, current_function->identifier ? current_function->identifier->name : "<anonymous lambda>"); + } else { + // TODO: Properties setters and getters with unreachable code are not being warned + } } #endif @@ -1445,12 +1547,9 @@ GDScriptParser::AssertNode *GDScriptParser::parse_assert() { if (match(GDScriptTokenizer::Token::COMMA)) { // Error message. - if (consume(GDScriptTokenizer::Token::LITERAL, R"(Expected error message for assert after ",".)")) { - assert->message = parse_literal(); - if (assert->message->value.get_type() != Variant::STRING) { - push_error(R"(Expected string for assert error message.)"); - } - } else { + assert->message = parse_expression(false); + if (assert->message == nullptr) { + push_error(R"(Expected error message for assert after ",".)"); return nullptr; } } @@ -1506,7 +1605,7 @@ GDScriptParser::ForNode *GDScriptParser::parse_for() { SuiteNode *suite = alloc_node<SuiteNode>(); if (n_for->variable) { - suite->add_local(SuiteNode::Local(n_for->variable)); + suite->add_local(SuiteNode::Local(n_for->variable, current_function)); } suite->parent_for = n_for; @@ -1642,7 +1741,7 @@ GDScriptParser::MatchBranchNode *GDScriptParser::parse_match_branch() { branch->patterns.push_back(pattern); } while (match(GDScriptTokenizer::Token::COMMA)); - if (branch->patterns.empty()) { + if (branch->patterns.is_empty()) { push_error(R"(No pattern found for "match" branch.)"); } @@ -1660,8 +1759,8 @@ GDScriptParser::MatchBranchNode *GDScriptParser::parse_match_branch() { List<StringName> binds; branch->patterns[0]->binds.get_key_list(&binds); - for (List<StringName>::Element *E = binds.front(); E != nullptr; E = E->next()) { - SuiteNode::Local local(branch->patterns[0]->binds[E->get()]); + for (const StringName &E : binds) { + SuiteNode::Local local(branch->patterns[0]->binds[E], current_function); suite->add_local(local); } } @@ -1861,7 +1960,7 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_precedence(Precedence p_pr // Completion can appear whenever an expression is expected. make_completion_context(COMPLETION_IDENTIFIER, nullptr); - GDScriptTokenizer::Token token = advance(); + GDScriptTokenizer::Token token = current; ParseFunction prefix_rule = get_rule(token.type)->prefix; if (prefix_rule == nullptr) { @@ -1869,6 +1968,8 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_precedence(Precedence p_pr return nullptr; } + advance(); // Only consume the token if there's a valid rule. + ExpressionNode *previous_operand = (this->*prefix_rule)(nullptr, p_can_assign); while (p_precedence <= get_rule(current.type)->precedence) { @@ -1910,6 +2011,8 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_identifier(ExpressionNode if (current_suite != nullptr && current_suite->has_local(identifier->name)) { const SuiteNode::Local &declaration = current_suite->get_local(identifier->name); + + identifier->source_function = declaration.source_function; switch (declaration.type) { case SuiteNode::Local::CONSTANT: identifier->source = IdentifierNode::LOCAL_CONSTANT; @@ -1963,6 +2066,9 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_self(ExpressionNode *p_pre if (current_function && current_function->is_static) { push_error(R"(Cannot use "self" inside a static function.)"); } + if (in_lambda) { + push_error(R"(Cannot use "self" inside a lambda.)"); + } SelfNode *self = alloc_node<SelfNode>(); self->current_class = current_class; return self; @@ -1980,10 +2086,10 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_builtin_constant(Expressio constant->value = Math_TAU; break; case GDScriptTokenizer::Token::CONST_INF: - constant->value = Math_INF; + constant->value = INFINITY; break; case GDScriptTokenizer::Token::CONST_NAN: - constant->value = Math_NAN; + constant->value = NAN; break; default: return nullptr; // Unreachable. @@ -2025,6 +2131,17 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_unary_operator(ExpressionN return operation; } +GDScriptParser::ExpressionNode *GDScriptParser::parse_binary_not_in_operator(ExpressionNode *p_previous_operand, bool p_can_assign) { + // check that NOT is followed by IN by consuming it before calling parse_binary_operator which will only receive a plain IN + consume(GDScriptTokenizer::Token::IN, R"(Expected "in" after "not" in content-test operator.)"); + ExpressionNode *in_operation = parse_binary_operator(p_previous_operand, p_can_assign); + UnaryOpNode *operation = alloc_node<UnaryOpNode>(); + operation->operation = UnaryOpNode::OP_LOGIC_NOT; + operation->variant_op = Variant::OP_NOT; + operation->operand = in_operation; + return operation; +} + GDScriptParser::ExpressionNode *GDScriptParser::parse_binary_operator(ExpressionNode *p_previous_operand, bool p_can_assign) { GDScriptTokenizer::Token op = previous; BinaryOpNode *operation = alloc_node<BinaryOpNode>(); @@ -2248,6 +2365,9 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_assignment(ExpressionNode } assignment->assignee = p_previous_operand; assignment->assigned_value = parse_expression(false); + if (assignment->assigned_value == nullptr) { + push_error(R"(Expected an expression after "=".)"); + } #ifdef DEBUG_ENABLED if (has_operator && source_variable != nullptr && source_variable->assignments == 0) { @@ -2327,7 +2447,9 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_dictionary(ExpressionNode switch (dictionary->style) { case DictionaryNode::LUA_TABLE: if (key != nullptr && key->type != Node::IDENTIFIER) { - push_error("Expected identifier as dictionary key."); + push_error("Expected identifier as LUA-style dictionary key."); + advance(); + break; } if (!match(GDScriptTokenizer::Token::EQUAL)) { if (match(GDScriptTokenizer::Token::COLON)) { @@ -2337,6 +2459,8 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_dictionary(ExpressionNode push_error(R"(Expected "=" after dictionary key.)"); } } + key->is_constant = true; + key->reduced_value = static_cast<IdentifierNode *>(key)->name; break; case DictionaryNode::PYTHON_DICT: if (!match(GDScriptTokenizer::Token::COLON)) { @@ -2383,7 +2507,7 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_attribute(ExpressionNode * if (for_completion) { bool is_builtin = false; - if (p_previous_operand->type == Node::IDENTIFIER) { + if (p_previous_operand && p_previous_operand->type == Node::IDENTIFIER) { const IdentifierNode *id = static_cast<const IdentifierNode *>(p_previous_operand); Variant::Type builtin_type = get_builtin_type(id->name); if (builtin_type < Variant::VARIANT_MAX) { @@ -2488,7 +2612,7 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_call(ExpressionNode *p_pre // Arguments. CompletionType ct = COMPLETION_CALL_ARGUMENTS; - if (get_builtin_function(call->function_name) == GDScriptFunctions::RESOURCE_LOAD) { + if (call->function_name == "load") { ct = COMPLETION_RESOURCE_PATH; } push_completion_call(call); @@ -2570,6 +2694,65 @@ GDScriptParser::ExpressionNode *GDScriptParser::parse_preload(ExpressionNode *p_ return preload; } +GDScriptParser::ExpressionNode *GDScriptParser::parse_lambda(ExpressionNode *p_previous_operand, bool p_can_assign) { + LambdaNode *lambda = alloc_node<LambdaNode>(); + lambda->parent_function = current_function; + FunctionNode *function = alloc_node<FunctionNode>(); + function->source_lambda = lambda; + + function->is_static = current_function != nullptr ? current_function->is_static : false; + + if (match(GDScriptTokenizer::Token::IDENTIFIER)) { + function->identifier = parse_identifier(); + } + + bool multiline_context = multiline_stack.back()->get(); + + // Reset the multiline stack since we don't want the multiline mode one in the lambda body. + push_multiline(false); + if (multiline_context) { + tokenizer.push_expression_indented_block(); + } + + push_multiline(true); // For the parameters. + if (function->identifier) { + consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after lambda name.)"); + } else { + consume(GDScriptTokenizer::Token::PARENTHESIS_OPEN, R"(Expected opening "(" after "func".)"); + } + + FunctionNode *previous_function = current_function; + current_function = function; + + SuiteNode *body = alloc_node<SuiteNode>(); + SuiteNode *previous_suite = current_suite; + current_suite = body; + + parse_function_signature(function, body, "lambda"); + + current_suite = previous_suite; + + bool previous_in_lambda = in_lambda; + in_lambda = true; + + function->body = parse_suite("lambda declaration", body, true); + + pop_multiline(); + + if (multiline_context) { + // If we're in multiline mode, we want to skip the spurious DEDENT and NEWLINE tokens. + while (check(GDScriptTokenizer::Token::DEDENT) || check(GDScriptTokenizer::Token::INDENT) || check(GDScriptTokenizer::Token::NEWLINE)) { + current = tokenizer.scan(); // Not advance() since we don't want to change the previous token. + } + tokenizer.pop_expression_indented_block(); + } + + current_function = previous_function; + in_lambda = previous_in_lambda; + lambda->function = function; + return lambda; +} + GDScriptParser::ExpressionNode *GDScriptParser::parse_invalid_token(ExpressionNode *p_previous_operand, bool p_can_assign) { // Just for better error messages. GDScriptTokenizer::Token::Type invalid = previous.type; @@ -2606,6 +2789,19 @@ GDScriptParser::TypeNode *GDScriptParser::parse_type(bool p_allow_void) { type->type_chain.push_back(type_element); + if (match(GDScriptTokenizer::Token::BRACKET_OPEN)) { + // Typed collection (like Array[int]). + type->container_type = parse_type(false); // Don't allow void for array element type. + if (type->container_type == nullptr) { + push_error(R"(Expected type for collection after "[".)"); + type = nullptr; + } else if (type->container_type->container_type != nullptr) { + push_error("Nested typed collections are not supported."); + } + consume(GDScriptTokenizer::Token::BRACKET_CLOSE, R"(Expected closing "]" after collection type.)"); + return type; + } + int chain_index = 1; while (match(GDScriptTokenizer::Token::PERIOD)) { make_completion_context(COMPLETION_TYPE_ATTRIBUTE, type, chain_index++); @@ -2618,6 +2814,218 @@ GDScriptParser::TypeNode *GDScriptParser::parse_type(bool p_allow_void) { return type; } +#ifdef TOOLS_ENABLED +static bool _in_codeblock(String p_line, bool p_already_in, int *r_block_begins = nullptr) { + int start_block = p_line.rfind("[codeblock]"); + int end_block = p_line.rfind("[/codeblock]"); + + if (start_block != -1 && r_block_begins) { + *r_block_begins = start_block; + } + + if (p_already_in) { + if (end_block == -1) { + return true; + } else if (start_block == -1) { + return false; + } else { + return start_block > end_block; + } + } else { + if (start_block == -1) { + return false; + } else if (end_block == -1) { + return true; + } else { + return start_block > end_block; + } + } +} + +bool GDScriptParser::has_comment(int p_line) { + return tokenizer.get_comments().has(p_line); +} + +String GDScriptParser::get_doc_comment(int p_line, bool p_single_line) { + const Map<int, GDScriptTokenizer::CommentData> &comments = tokenizer.get_comments(); + ERR_FAIL_COND_V(!comments.has(p_line), String()); + + if (p_single_line) { + if (comments[p_line].comment.begins_with("##")) { + return comments[p_line].comment.trim_prefix("##").strip_edges(); + } + return ""; + } + + String doc; + + int line = p_line; + bool in_codeblock = false; + + while (comments.has(line - 1)) { + if (!comments[line - 1].new_line || !comments[line - 1].comment.begins_with("##")) { + break; + } + line--; + } + + int codeblock_begins = 0; + while (comments.has(line)) { + if (!comments[line].new_line || !comments[line].comment.begins_with("##")) { + break; + } + String doc_line = comments[line].comment.trim_prefix("##"); + + in_codeblock = _in_codeblock(doc_line, in_codeblock, &codeblock_begins); + + if (in_codeblock) { + int i = 0; + for (; i < codeblock_begins; i++) { + if (doc_line[i] != ' ') { + break; + } + } + doc_line = doc_line.substr(i); + } else { + doc_line = doc_line.strip_edges(); + } + String line_join = (in_codeblock) ? "\n" : " "; + + doc = (doc.is_empty()) ? doc_line : doc + line_join + doc_line; + line++; + } + + return doc; +} + +void GDScriptParser::get_class_doc_comment(int p_line, String &p_brief, String &p_desc, Vector<Pair<String, String>> &p_tutorials, bool p_inner_class) { + const Map<int, GDScriptTokenizer::CommentData> &comments = tokenizer.get_comments(); + if (!comments.has(p_line)) { + return; + } + ERR_FAIL_COND(p_brief != "" || p_desc != "" || p_tutorials.size() != 0); + + int line = p_line; + bool in_codeblock = false; + enum Mode { + BRIEF, + DESC, + TUTORIALS, + DONE, + }; + Mode mode = BRIEF; + + if (p_inner_class) { + while (comments.has(line - 1)) { + if (!comments[line - 1].new_line || !comments[line - 1].comment.begins_with("##")) { + break; + } + line--; + } + } + + int codeblock_begins = 0; + while (comments.has(line)) { + if (!comments[line].new_line || !comments[line].comment.begins_with("##")) { + break; + } + + String title, link; // For tutorials. + String doc_line = comments[line++].comment.trim_prefix("##"); + String striped_line = doc_line.strip_edges(); + + // Set the read mode. + if (striped_line.begins_with("@desc:") && p_desc == "") { + mode = DESC; + striped_line = striped_line.trim_prefix("@desc:"); + in_codeblock = _in_codeblock(doc_line, in_codeblock); + + } else if (striped_line.begins_with("@tutorial")) { + int begin_scan = String("@tutorial").length(); + if (begin_scan >= striped_line.length()) { + continue; // invalid syntax. + } + + if (striped_line[begin_scan] == ':') { // No title. + // Syntax: ## @tutorial: https://godotengine.org/ // The title argument is optional. + title = ""; + link = striped_line.trim_prefix("@tutorial:").strip_edges(); + + } else { + /* Syntax: + @tutorial ( The Title Here ) : https://the.url/ + ^ open ^ close ^ colon ^ url + */ + int open_bracket_pos = begin_scan, close_bracket_pos = 0; + while (open_bracket_pos < striped_line.length() && (striped_line[open_bracket_pos] == ' ' || striped_line[open_bracket_pos] == '\t')) { + open_bracket_pos++; + } + if (open_bracket_pos == striped_line.length() || striped_line[open_bracket_pos++] != '(') { + continue; // invalid syntax. + } + close_bracket_pos = open_bracket_pos; + while (close_bracket_pos < striped_line.length() && striped_line[close_bracket_pos] != ')') { + close_bracket_pos++; + } + if (close_bracket_pos == striped_line.length()) { + continue; // invalid syntax. + } + + int colon_pos = close_bracket_pos + 1; + while (colon_pos < striped_line.length() && (striped_line[colon_pos] == ' ' || striped_line[colon_pos] == '\t')) { + colon_pos++; + } + if (colon_pos == striped_line.length() || striped_line[colon_pos++] != ':') { + continue; // invalid syntax. + } + + title = striped_line.substr(open_bracket_pos, close_bracket_pos - open_bracket_pos).strip_edges(); + link = striped_line.substr(colon_pos).strip_edges(); + } + + mode = TUTORIALS; + in_codeblock = false; + } else if (striped_line.is_empty()) { + continue; + } else { + // Tutorial docs are single line, we need a @tag after it. + if (mode == TUTORIALS) { + mode = DONE; + } + + in_codeblock = _in_codeblock(doc_line, in_codeblock, &codeblock_begins); + } + + if (in_codeblock) { + int i = 0; + for (; i < codeblock_begins; i++) { + if (doc_line[i] != ' ') { + break; + } + } + doc_line = doc_line.substr(i); + } else { + doc_line = striped_line; + } + String line_join = (in_codeblock) ? "\n" : " "; + + switch (mode) { + case BRIEF: + p_brief = (p_brief.length() == 0) ? doc_line : p_brief + line_join + doc_line; + break; + case DESC: + p_desc = (p_desc.length() == 0) ? doc_line : p_desc + line_join + doc_line; + break; + case TUTORIALS: + p_tutorials.append(Pair<String, String>(title, link)); + break; + case DONE: + return; + } + } +} +#endif // TOOLS_ENABLED + GDScriptParser::ParseRule *GDScriptParser::get_rule(GDScriptTokenizer::Token::Type p_token_type) { // Function table for expression parsing. // clang-format destroys the alignment here, so turn off for the table. @@ -2639,7 +3047,7 @@ GDScriptParser::ParseRule *GDScriptParser::get_rule(GDScriptTokenizer::Token::Ty // Logical { nullptr, &GDScriptParser::parse_binary_operator, PREC_LOGIC_AND }, // AND, { nullptr, &GDScriptParser::parse_binary_operator, PREC_LOGIC_OR }, // OR, - { &GDScriptParser::parse_unary_operator, nullptr, PREC_NONE }, // NOT, + { &GDScriptParser::parse_unary_operator, &GDScriptParser::parse_binary_not_in_operator, PREC_CONTENT_TEST }, // NOT, { nullptr, &GDScriptParser::parse_binary_operator, PREC_LOGIC_AND }, // AMPERSAND_AMPERSAND, { nullptr, &GDScriptParser::parse_binary_operator, PREC_LOGIC_OR }, // PIPE_PIPE, { &GDScriptParser::parse_unary_operator, nullptr, PREC_NONE }, // BANG, @@ -2651,8 +3059,8 @@ GDScriptParser::ParseRule *GDScriptParser::get_rule(GDScriptTokenizer::Token::Ty { nullptr, &GDScriptParser::parse_binary_operator, PREC_BIT_SHIFT }, // LESS_LESS, { nullptr, &GDScriptParser::parse_binary_operator, PREC_BIT_SHIFT }, // GREATER_GREATER, // Math - { &GDScriptParser::parse_unary_operator, &GDScriptParser::parse_binary_operator, PREC_ADDITION }, // PLUS, - { &GDScriptParser::parse_unary_operator, &GDScriptParser::parse_binary_operator, PREC_SUBTRACTION }, // MINUS, + { &GDScriptParser::parse_unary_operator, &GDScriptParser::parse_binary_operator, PREC_ADDITION_SUBTRACTION }, // PLUS, + { &GDScriptParser::parse_unary_operator, &GDScriptParser::parse_binary_operator, PREC_ADDITION_SUBTRACTION }, // MINUS, { nullptr, &GDScriptParser::parse_binary_operator, PREC_FACTOR }, // STAR, { nullptr, &GDScriptParser::parse_binary_operator, PREC_FACTOR }, // SLASH, { nullptr, &GDScriptParser::parse_binary_operator, PREC_FACTOR }, // PERCENT, @@ -2689,7 +3097,7 @@ GDScriptParser::ParseRule *GDScriptParser::get_rule(GDScriptTokenizer::Token::Ty { nullptr, nullptr, PREC_NONE }, // CONST, { nullptr, nullptr, PREC_NONE }, // ENUM, { nullptr, nullptr, PREC_NONE }, // EXTENDS, - { nullptr, nullptr, PREC_NONE }, // FUNC, + { &GDScriptParser::parse_lambda, nullptr, PREC_NONE }, // FUNC, { nullptr, &GDScriptParser::parse_binary_operator, PREC_CONTENT_TEST }, // IN, { nullptr, &GDScriptParser::parse_binary_operator, PREC_TYPE_TEST }, // IS, { nullptr, nullptr, PREC_NONE }, // NAMESPACE, @@ -2738,7 +3146,7 @@ GDScriptParser::ParseRule *GDScriptParser::get_rule(GDScriptTokenizer::Token::Ty // Avoid desync. static_assert(sizeof(rules) / sizeof(rules[0]) == GDScriptTokenizer::Token::TK_MAX, "Amount of parse rules don't match the amount of token types."); - // Let's assume this this never invalid, since nothing generates a TK_MAX. + // Let's assume this is never invalid, since nothing generates a TK_MAX. return &rules[p_token_type]; } @@ -2880,24 +3288,10 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node } variable->exported = true; - // TODO: Improving setting type, especially for range hints, which can be int or float. + variable->export_info.type = t_type; variable->export_info.hint = t_hint; - if (p_annotation->name == "@export") { - if (variable->datatype_specifier == nullptr) { - if (variable->initializer == nullptr) { - push_error(R"(Cannot use "@export" annotation with variable without type or initializer, since type can't be inferred.)", p_annotation); - return false; - } - if (variable->initializer->type != Node::LITERAL) { - push_error(R"(To use "@export" annotation with type-less variable, the default value must be a literal.)", p_annotation); - return false; - } - variable->export_info.type = static_cast<LiteralNode *>(variable->initializer)->value.get_type(); - } // else: Actual type will be set by the analyzer, which can infer the proper type. - } - String hint_string; for (int i = 0; i < p_annotation->resolved_arguments.size(); i++) { if (i > 0) { @@ -2908,6 +3302,86 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node variable->export_info.hint_string = hint_string; + // This is called after tne analyzer is done finding the type, so this should be set here. + DataType export_type = variable->get_datatype(); + + if (p_annotation->name == "@export") { + if (variable->datatype_specifier == nullptr && variable->initializer == nullptr) { + push_error(R"(Cannot use simple "@export" annotation with variable without type or initializer, since type can't be inferred.)", p_annotation); + return false; + } + + bool is_array = false; + + if (export_type.builtin_type == Variant::ARRAY && export_type.has_container_element_type()) { + export_type = export_type.get_container_element_type(); // Use inner type for. + is_array = true; + } + + if (export_type.is_variant() || export_type.has_no_type()) { + push_error(R"(Cannot use simple "@export" annotation because the type of the initialized value can't be inferred.)", p_annotation); + return false; + } + + switch (export_type.kind) { + case GDScriptParser::DataType::BUILTIN: + variable->export_info.type = export_type.builtin_type; + variable->export_info.hint = PROPERTY_HINT_NONE; + variable->export_info.hint_string = Variant::get_type_name(export_type.builtin_type); + break; + case GDScriptParser::DataType::NATIVE: + if (ClassDB::is_parent_class(export_type.native_type, "Resource")) { + variable->export_info.type = Variant::OBJECT; + variable->export_info.hint = PROPERTY_HINT_RESOURCE_TYPE; + variable->export_info.hint_string = export_type.native_type; + } else { + push_error(R"(Export type can only be built-in, a resource, or an enum.)", variable); + return false; + } + break; + case GDScriptParser::DataType::ENUM: { + variable->export_info.type = Variant::INT; + variable->export_info.hint = PROPERTY_HINT_ENUM; + + String enum_hint_string; + for (const Map<StringName, int>::Element *E = export_type.enum_values.front(); E; E = E->next()) { + enum_hint_string += E->key().operator String().camelcase_to_underscore(true).capitalize().xml_escape(); + enum_hint_string += ":"; + enum_hint_string += String::num_int64(E->get()).xml_escape(); + + if (E->next()) { + enum_hint_string += ","; + } + } + + variable->export_info.hint_string = enum_hint_string; + } break; + default: + // TODO: Allow custom user resources. + push_error(R"(Export type can only be built-in, a resource, or an enum.)", variable); + break; + } + + if (is_array) { + String hint_prefix = itos(variable->export_info.type); + if (variable->export_info.hint) { + hint_prefix += "/" + itos(variable->export_info.hint); + } + variable->export_info.hint = PROPERTY_HINT_TYPE_STRING; + variable->export_info.hint_string = hint_prefix + ":" + variable->export_info.hint_string; + variable->export_info.type = Variant::ARRAY; + } + } else { + // Validate variable type with export. + if (!export_type.is_variant() && (export_type.kind != DataType::BUILTIN || export_type.builtin_type != t_type)) { + // Allow float/int conversion. + if ((t_type != Variant::FLOAT || export_type.builtin_type != Variant::INT) && (t_type != Variant::INT || export_type.builtin_type != Variant::FLOAT)) { + push_error(vformat(R"("%s" annotation requires a variable of type "%s" but type "%s" was given instead.)", p_annotation->name.operator String(), Variant::get_type_name(t_type), export_type.to_string()), variable); + return false; + } + } + } + return true; } @@ -2919,27 +3393,60 @@ template <MultiplayerAPI::RPCMode t_mode> bool GDScriptParser::network_annotations(const AnnotationNode *p_annotation, Node *p_node) { ERR_FAIL_COND_V_MSG(p_node->type != Node::VARIABLE && p_node->type != Node::FUNCTION, false, vformat(R"("%s" annotation can only be applied to variables and functions.)", p_annotation->name)); - switch (p_node->type) { - case Node::VARIABLE: { - VariableNode *variable = static_cast<VariableNode *>(p_node); - if (variable->rpc_mode != MultiplayerAPI::RPC_MODE_DISABLED) { - push_error(R"(RPC annotations can only be used once per variable.)", p_annotation); + MultiplayerAPI::RPCConfig rpc_config; + rpc_config.rpc_mode = t_mode; + for (int i = 0; i < p_annotation->resolved_arguments.size(); i++) { + if (i == 0) { + String mode = p_annotation->resolved_arguments[i].operator String(); + if (mode == "any") { + rpc_config.rpc_mode = MultiplayerAPI::RPC_MODE_REMOTE; + } else if (mode == "master") { + rpc_config.rpc_mode = MultiplayerAPI::RPC_MODE_MASTER; + } else if (mode == "puppet") { + rpc_config.rpc_mode = MultiplayerAPI::RPC_MODE_PUPPET; + } else { + push_error(R"(Invalid RPC mode. Must be one of: 'any', 'master', or 'puppet')", p_annotation); + return false; } - variable->rpc_mode = t_mode; - break; + } else if (i == 1) { + String sync = p_annotation->resolved_arguments[i].operator String(); + if (sync == "sync") { + rpc_config.sync = true; + } else if (sync == "nosync") { + rpc_config.sync = false; + } else { + push_error(R"(Invalid RPC sync mode. Must be one of: 'sync' or 'nosync')", p_annotation); + return false; + } + } else if (i == 2) { + String mode = p_annotation->resolved_arguments[i].operator String(); + if (mode == "reliable") { + rpc_config.transfer_mode = MultiplayerPeer::TRANSFER_MODE_RELIABLE; + } else if (mode == "unreliable") { + rpc_config.transfer_mode = MultiplayerPeer::TRANSFER_MODE_UNRELIABLE; + } else if (mode == "ordered") { + rpc_config.transfer_mode = MultiplayerPeer::TRANSFER_MODE_UNRELIABLE_ORDERED; + } else { + push_error(R"(Invalid RPC transfer mode. Must be one of: 'reliable', 'unreliable', 'ordered')", p_annotation); + return false; + } + } else if (i == 3) { + rpc_config.channel = p_annotation->resolved_arguments[i].operator int(); } + } + switch (p_node->type) { case Node::FUNCTION: { FunctionNode *function = static_cast<FunctionNode *>(p_node); - if (function->rpc_mode != MultiplayerAPI::RPC_MODE_DISABLED) { + if (function->rpc_config.rpc_mode != MultiplayerAPI::RPC_MODE_DISABLED) { push_error(R"(RPC annotations can only be used once per function.)", p_annotation); + return false; } - function->rpc_mode = t_mode; + function->rpc_config = rpc_config; break; } default: return false; // Unreachable. } - return true; } @@ -2993,6 +3500,9 @@ String GDScriptParser::DataType::to_string() const { if (builtin_type == Variant::NIL) { return "null"; } + if (builtin_type == Variant::ARRAY && has_container_element_type()) { + return vformat("Array[%s]", container_element_type->to_string()); + } return Variant::get_type_name(builtin_type); case NATIVE: if (is_meta_type) { @@ -3012,11 +3522,11 @@ String GDScriptParser::DataType::to_string() const { return script_type->get_class_name().operator String(); } String name = script_type->get_name(); - if (!name.empty()) { + if (!name.is_empty()) { return name; } name = script_path; - if (!name.empty()) { + if (!name.is_empty()) { return name; } return native_type.operator String(); @@ -3061,7 +3571,7 @@ void GDScriptParser::TreePrinter::decrease_indent() { } void GDScriptParser::TreePrinter::push_line(const String &p_line) { - if (!p_line.empty()) { + if (!p_line.is_empty()) { push_text(p_line); } printed += "\n"; @@ -3076,7 +3586,7 @@ void GDScriptParser::TreePrinter::push_text(const String &p_text) { printed += p_text; } -void GDScriptParser::TreePrinter::print_annotation(AnnotationNode *p_annotation) { +void GDScriptParser::TreePrinter::print_annotation(const AnnotationNode *p_annotation) { push_text(p_annotation->name); push_text(" ("); for (int i = 0; i < p_annotation->arguments.size(); i++) { @@ -3270,7 +3780,7 @@ void GDScriptParser::TreePrinter::print_class(ClassNode *p_class) { if (p_class->extends_used) { bool first = true; push_text(" Extends "); - if (!p_class->extends_path.empty()) { + if (!p_class->extends_path.is_empty()) { push_text(vformat(R"("%s")", p_class->extends_path)); first = false; } @@ -3356,6 +3866,10 @@ void GDScriptParser::TreePrinter::print_dictionary(DictionaryNode *p_dictionary) } void GDScriptParser::TreePrinter::print_expression(ExpressionNode *p_expression) { + if (p_expression == nullptr) { + push_text("<invalid expression>"); + return; + } switch (p_expression->type) { case Node::ARRAY: print_array(static_cast<ArrayNode *>(p_expression)); @@ -3384,6 +3898,9 @@ void GDScriptParser::TreePrinter::print_expression(ExpressionNode *p_expression) case Node::IDENTIFIER: print_identifier(static_cast<IdentifierNode *>(p_expression)); break; + case Node::LAMBDA: + print_lambda(static_cast<LambdaNode *>(p_expression)); + break; case Node::LITERAL: print_literal(static_cast<LiteralNode *>(p_expression)); break; @@ -3443,12 +3960,17 @@ void GDScriptParser::TreePrinter::print_for(ForNode *p_for) { decrease_indent(); } -void GDScriptParser::TreePrinter::print_function(FunctionNode *p_function) { - for (const List<AnnotationNode *>::Element *E = p_function->annotations.front(); E != nullptr; E = E->next()) { - print_annotation(E->get()); +void GDScriptParser::TreePrinter::print_function(FunctionNode *p_function, const String &p_context) { + for (const AnnotationNode *E : p_function->annotations) { + print_annotation(E); + } + push_text(p_context); + push_text(" "); + if (p_function->identifier) { + print_identifier(p_function->identifier); + } else { + push_text("<anonymous>"); } - push_text("Function "); - print_identifier(p_function->identifier); push_text("( "); for (int i = 0; i < p_function->parameters.size(); i++) { if (i > 0) { @@ -3502,6 +4024,18 @@ void GDScriptParser::TreePrinter::print_if(IfNode *p_if, bool p_is_elif) { } } +void GDScriptParser::TreePrinter::print_lambda(LambdaNode *p_lambda) { + print_function(p_lambda->function, "Lambda"); + push_text("| captures [ "); + for (int i = 0; i < p_lambda->captures.size(); i++) { + if (i > 0) { + push_text(" , "); + } + push_text(p_lambda->captures[i]->name.operator String()); + } + push_line(" ]"); +} + void GDScriptParser::TreePrinter::print_literal(LiteralNode *p_literal) { // Prefix for string types. switch (p_literal->value.get_type()) { @@ -3732,7 +4266,7 @@ void GDScriptParser::TreePrinter::print_ternary_op(TernaryOpNode *p_ternary_op) } void GDScriptParser::TreePrinter::print_type(TypeNode *p_type) { - if (p_type->type_chain.empty()) { + if (p_type->type_chain.is_empty()) { push_text("Void"); } else { for (int i = 0; i < p_type->type_chain.size(); i++) { @@ -3767,8 +4301,8 @@ void GDScriptParser::TreePrinter::print_unary_op(UnaryOpNode *p_unary_op) { } void GDScriptParser::TreePrinter::print_variable(VariableNode *p_variable) { - for (const List<AnnotationNode *>::Element *E = p_variable->annotations.front(); E != nullptr; E = E->next()) { - print_annotation(E->get()); + for (const AnnotationNode *E : p_variable->annotations) { + print_annotation(E); } push_text("Variable "); @@ -3852,7 +4386,7 @@ void GDScriptParser::TreePrinter::print_tree(const GDScriptParser &p_parser) { if (p_parser.is_tool()) { push_line("@tool"); } - if (!p_parser.get_tree()->icon_path.empty()) { + if (!p_parser.get_tree()->icon_path.is_empty()) { push_text(R"(@icon (")"); push_text(p_parser.get_tree()->icon_path); push_line("\")"); |