diff options
Diffstat (limited to 'modules/gdscript/gdscript_parser.cpp')
-rw-r--r-- | modules/gdscript/gdscript_parser.cpp | 228 |
1 files changed, 166 insertions, 62 deletions
diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index da69181a43..ec3e72eef7 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -282,7 +282,6 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s switch (tokenizer->get_token()) { case GDScriptTokenizer::TK_CURSOR: { - completion_cursor = StringName(); completion_type = COMPLETION_GET_NODE; completion_class = current_class; completion_function = current_function; @@ -777,7 +776,8 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s } _add_warning(GDScriptWarning::UNASSIGNED_VARIABLE_OP_ASSIGN, -1, identifier.operator String()); } - } // fallthrough + FALLTHROUGH; + } case GDScriptTokenizer::TK_OP_ASSIGN: { lv->assignments += 1; lv->usages--; // Assignment is not really usage @@ -887,7 +887,8 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s case GDScriptTokenizer::TK_OP_SUB: e.op = OperatorNode::OP_NEG; break; case GDScriptTokenizer::TK_OP_NOT: e.op = OperatorNode::OP_NOT; break; case GDScriptTokenizer::TK_OP_BIT_INVERT: e.op = OperatorNode::OP_BIT_INVERT; break; - default: {} + default: { + } } tokenizer->advance(); @@ -1874,7 +1875,9 @@ GDScriptParser::Node *GDScriptParser::_reduce_expression(Node *p_node, bool p_to } } break; - default: { break; } + default: { + break; + } } //now se if all are constants if (!all_constants) @@ -1987,10 +1990,11 @@ GDScriptParser::Node *GDScriptParser::_reduce_expression(Node *p_node, bool p_to return op->arguments[2]; } } break; - default: { ERR_FAIL_V(op); } + default: { + ERR_FAIL_V(op); + } } - ERR_FAIL_V(op); } break; default: { return p_node; @@ -2225,6 +2229,8 @@ GDScriptParser::PatternNode *GDScriptParser::_parse_pattern(bool p_static) { void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBranchNode *> &p_branches, bool p_static) { int indent_level = tab_level.back()->get(); + p_block->has_return = true; + while (true) { while (tokenizer->get_token() == GDScriptTokenizer::TK_NEWLINE && _parse_newline()) @@ -2282,8 +2288,8 @@ void GDScriptParser::_parse_pattern_block(BlockNode *p_block, Vector<PatternBran current_block = p_block; - if (catch_all && branch->body->has_return) { - p_block->has_return = true; + if (!branch->body->has_return) { + p_block->has_return = false; } p_branches.push_back(branch); @@ -2862,8 +2868,6 @@ void GDScriptParser::_parse_block(BlockNode *p_block, bool p_static) { lv->assign_op = op; lv->assign = assigned; - lv->assign_op = op; - if (!_end_statement()) { _set_error("Expected end of statement (var)"); return; @@ -3364,7 +3368,7 @@ void GDScriptParser::_parse_extends(ClassNode *p_class) { return; } - if (!p_class->constant_expressions.empty() || !p_class->subclasses.empty() || !p_class->functions.empty() || !p_class->variables.empty()) { + if (!p_class->constant_expressions.empty() || !p_class->subclasses.empty() || !p_class->functions.empty() || !p_class->variables.empty() || p_class->classname_used) { _set_error("'extends' must be used before anything else."); return; @@ -3492,11 +3496,21 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { _set_error("'class_name' is only valid for the main class namespace."); return; } + if (self_path.begins_with("res://") && self_path.find("::") != -1) { + _set_error("'class_name' not allowed in built-in scripts."); + return; + } if (tokenizer->get_token(1) != GDScriptTokenizer::TK_IDENTIFIER) { _set_error("'class_name' syntax: 'class_name <UniqueName>'"); return; } + if (p_class->classname_used) { + _set_error("'class_name' already used for this class."); + return; + } + + p_class->classname_used = true; p_class->name = tokenizer->get_token_identifier(1); @@ -3634,7 +3648,8 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } - }; //fallthrough to function + FALLTHROUGH; + } case GDScriptTokenizer::TK_PR_FUNCTION: { bool _static = false; @@ -3677,6 +3692,11 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { _add_warning(GDScriptWarning::FUNCTION_CONFLICTS_VARIABLE, -1, name); } } + for (int i = 0; i < p_class->subclasses.size(); i++) { + if (p_class->subclasses[i]->name == name) { + _add_warning(GDScriptWarning::FUNCTION_CONFLICTS_CONSTANT, -1, name); + } + } #endif // DEBUG_ENABLED if (tokenizer->get_token() != GDScriptTokenizer::TK_PARENTHESIS_OPEN) { @@ -4004,7 +4024,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { if (tokenizer->get_token() == GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { ERR_EXPLAIN("Exporting bit flags hint requires string constants."); - WARN_DEPRECATED + WARN_DEPRECATED; break; } if (tokenizer->get_token() != GDScriptTokenizer::TK_COMMA) { @@ -4047,6 +4067,50 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { break; } + if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "LAYERS_2D_RENDER") { + + tokenizer->advance(); + if (tokenizer->get_token() != GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { + _set_error("Expected ')' in layers 2D render hint."); + return; + } + current_export.hint = PROPERTY_HINT_LAYERS_2D_RENDER; + break; + } + + if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "LAYERS_2D_PHYSICS") { + + tokenizer->advance(); + if (tokenizer->get_token() != GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { + _set_error("Expected ')' in layers 2D physics hint."); + return; + } + current_export.hint = PROPERTY_HINT_LAYERS_2D_PHYSICS; + break; + } + + if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "LAYERS_3D_RENDER") { + + tokenizer->advance(); + if (tokenizer->get_token() != GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { + _set_error("Expected ')' in layers 3D render hint."); + return; + } + current_export.hint = PROPERTY_HINT_LAYERS_3D_RENDER; + break; + } + + if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "LAYERS_3D_PHYSICS") { + + tokenizer->advance(); + if (tokenizer->get_token() != GDScriptTokenizer::TK_PARENTHESIS_CLOSE) { + _set_error("Expected ')' in layers 3D physics hint."); + return; + } + current_export.hint = PROPERTY_HINT_LAYERS_3D_PHYSICS; + break; + } + if (tokenizer->get_token() == GDScriptTokenizer::TK_CONSTANT && tokenizer->get_token_constant().get_type() == Variant::STRING) { //enumeration current_export.hint = PROPERTY_HINT_ENUM; @@ -4084,7 +4148,8 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { break; } - }; //fallthrough to use the same + FALLTHROUGH; + } case Variant::REAL: { if (tokenizer->get_token() == GDScriptTokenizer::TK_IDENTIFIER && tokenizer->get_token_identifier() == "EASE") { @@ -4509,6 +4574,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { #ifdef DEBUG_ENABLED _add_warning(GDScriptWarning::DEPRECATED_KEYWORD, tokenizer->get_token_line(), "slave", "puppet"); #endif + FALLTHROUGH; case GDScriptTokenizer::TK_PR_PUPPET: { //may be fallthrough from export, ignore if so @@ -4576,7 +4642,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { continue; } break; case GDScriptTokenizer::TK_PR_VAR: { - //variale declaration and (eventual) initialization + // variable declaration and (eventual) initialization ClassNode::Member member; @@ -4619,6 +4685,13 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } } + + for (int i = 0; i < current_class->subclasses.size(); i++) { + if (current_class->subclasses[i]->name == member.identifier) { + _set_error("A class named '" + String(member.identifier) + "' already exists in this class (at line " + itos(current_class->subclasses[i]->line) + ")."); + return; + } + } #ifdef DEBUG_ENABLED for (int i = 0; i < current_class->functions.size(); i++) { if (current_class->functions[i]->name == member.identifier) { @@ -4758,19 +4831,30 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { return; } - if (member._export.type != Variant::NIL) { + Variant::Type initial_type = member.data_type.has_type ? member.data_type.builtin_type : member._export.type; + + if (initial_type != Variant::NIL && initial_type != Variant::OBJECT) { IdentifierNode *id = alloc_node<IdentifierNode>(); id->name = member.identifier; - ConstantNode *cn = alloc_node<ConstantNode>(); + Node *expr; - Variant::CallError ce2; - cn->value = Variant::construct(member._export.type, NULL, 0, ce2); + // Make sure arrays and dictionaries are not shared + if (initial_type == Variant::ARRAY) { + expr = alloc_node<ArrayNode>(); + } else if (initial_type == Variant::DICTIONARY) { + expr = alloc_node<DictionaryNode>(); + } else { + ConstantNode *cn = alloc_node<ConstantNode>(); + Variant::CallError ce2; + cn->value = Variant::construct(initial_type, NULL, 0, ce2); + expr = cn; + } OperatorNode *op = alloc_node<OperatorNode>(); op->op = OperatorNode::OP_INIT_ASSIGN; op->arguments.push_back(id); - op->arguments.push_back(cn); + op->arguments.push_back(expr); p_class->initializer->statements.push_back(op); @@ -4863,6 +4947,13 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { } } + for (int i = 0; i < current_class->subclasses.size(); i++) { + if (current_class->subclasses[i]->name == const_id) { + _set_error("A class named '" + String(const_id) + "' already exists in this class (at line " + itos(current_class->subclasses[i]->line) + ")."); + return; + } + } + tokenizer->advance(); if (tokenizer->get_token() == GDScriptTokenizer::TK_COLON) { @@ -4933,6 +5024,13 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { } } + for (int i = 0; i < current_class->subclasses.size(); i++) { + if (current_class->subclasses[i]->name == enum_name) { + _set_error("A class named '" + String(enum_name) + "' already exists in this class (at line " + itos(current_class->subclasses[i]->line) + ")."); + return; + } + } + tokenizer->advance(); } if (tokenizer->get_token() != GDScriptTokenizer::TK_CURLY_BRACKET_OPEN) { @@ -5018,6 +5116,13 @@ void GDScriptParser::_parse_class(ClassNode *p_class) { } } + for (int i = 0; i < current_class->subclasses.size(); i++) { + if (current_class->subclasses[i]->name == const_id) { + _set_error("A class named '" + String(const_id) + "' already exists in this class (at line " + itos(current_class->subclasses[i]->line) + ")."); + return; + } + } + ClassNode::Constant constant; constant.type.has_type = true; constant.type.kind = DataType::BUILTIN; @@ -5192,6 +5297,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { if (base_script.is_valid()) { String ident = base; + Ref<GDScript> find_subclass = base_script; for (int i = extend_iter; i < p_class->extends_class.size(); i++) { @@ -5201,7 +5307,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { if (base_script->get_subclasses().has(subclass)) { - base_script = base_script->get_subclasses()[subclass]; + find_subclass = base_script->get_subclasses()[subclass]; } else if (base_script->get_constants().has(subclass)) { Ref<GDScript> new_base_class = base_script->get_constants()[subclass]; @@ -5209,7 +5315,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { _set_error("Constant is not a class: " + ident, p_class->line); return; } - base_script = new_base_class; + find_subclass = new_base_class; } else { _set_error("Could not find subclass: " + ident, p_class->line); @@ -5217,7 +5323,7 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) { } } - script = base_script; + script = find_subclass; } else if (!base_class) { @@ -5288,7 +5394,8 @@ String GDScriptParser::DataType::to_string() const { if (!gds_class.empty()) { return gds_class; } - } // fallthrough + FALLTHROUGH; + } case SCRIPT: { if (is_meta_type) { return script_type->get_class_name().operator String(); @@ -5957,7 +6064,11 @@ bool GDScriptParser::_is_type_compatible(const DataType &p_container, const Data } GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) { +#ifdef DEBUG_ENABLED + if (p_node->get_datatype().has_type && p_node->type != Node::TYPE_ARRAY && p_node->type != Node::TYPE_DICTIONARY) { +#else if (p_node->get_datatype().has_type) { +#endif return p_node->get_datatype(); } @@ -6177,8 +6288,8 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) { return DataType(); } #ifdef DEBUG_ENABLED - if (var_op == Variant::OP_DIVIDE && argument_a_type.has_type && argument_a_type.kind == DataType::BUILTIN && argument_a_type.builtin_type == Variant::INT && - argument_b_type.has_type && argument_b_type.kind == DataType::BUILTIN && argument_b_type.builtin_type == Variant::INT) { + if (var_op == Variant::OP_DIVIDE && argument_a_type.kind == DataType::BUILTIN && argument_a_type.builtin_type == Variant::INT && + argument_b_type.kind == DataType::BUILTIN && argument_b_type.builtin_type == Variant::INT) { _add_warning(GDScriptWarning::INTEGER_DIVISION, op->line); } #endif // DEBUG_ENABLED @@ -6344,7 +6455,8 @@ 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: {} + default: { + } } } if (error) { @@ -6462,7 +6574,8 @@ GDScriptParser::DataType GDScriptParser::_reduce_node_type(Node *p_node) { } } } break; - default: {} + default: { + } } p_node->set_datatype(_resolve_type(node_type, p_node->line)); @@ -6887,10 +7000,8 @@ GDScriptParser::DataType GDScriptParser::_reduce_function_call_type(const Operat #ifdef DEBUG_ENABLED if (current_function && !for_completion && !is_static && p_call->arguments[0]->type == Node::TYPE_SELF && current_function->_static) { - if (current_function && current_function->_static && p_call->arguments[0]->type == Node::TYPE_SELF) { - _set_error("Can't call non-static function from a static function.", p_call->line); - return DataType(); - } + _set_error("Can't call non-static function from a static function.", p_call->line); + return DataType(); } if (check_types && !is_static && !is_initializer && base_type.is_meta_type) { @@ -7416,7 +7527,7 @@ void GDScriptParser::_check_class_level_types(ClassNode *p_class) { return; } - // Replace assignment with implict conversion + // Replace assignment with implicit conversion BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>(); convert->line = v.line; convert->function = GDScriptFunctions::TYPE_CONVERT; @@ -7445,30 +7556,6 @@ void GDScriptParser::_check_class_level_types(ClassNode *p_class) { v.data_type = expr_type; v.data_type.is_constant = false; } - } else if (v.data_type.has_type && v.data_type.kind == DataType::BUILTIN) { - // Create default value based on the type - IdentifierNode *id = alloc_node<IdentifierNode>(); - id->line = v.line; - id->name = v.identifier; - - ConstantNode *init = alloc_node<ConstantNode>(); - init->line = v.line; - Variant::CallError err; - init->value = Variant::construct(v.data_type.builtin_type, NULL, 0, err); - - OperatorNode *op = alloc_node<OperatorNode>(); - op->line = v.line; - op->op = OperatorNode::OP_INIT_ASSIGN; - op->arguments.push_back(id); - op->arguments.push_back(init); - - p_class->initializer->statements.push_front(op); - v.initial_assignment = op; -#ifdef DEBUG_ENABLED - NewLineNode *nl = alloc_node<NewLineNode>(); - nl->line = v.line - 1; - p_class->initializer->statements.push_front(nl); -#endif } // Check export hint @@ -7607,6 +7694,11 @@ void GDScriptParser::_check_function_types(FunctionNode *p_function) { if (p_function->arguments_usage[i] == 0 && !p_function->arguments[i].operator String().begins_with("_")) { _add_warning(GDScriptWarning::UNUSED_ARGUMENT, p_function->line, p_function->name, p_function->arguments[i].operator String()); } + for (int j = 0; j < current_class->variables.size(); j++) { + if (current_class->variables[j].identifier == p_function->arguments[i]) { + _add_warning(GDScriptWarning::SHADOWED_VARIABLE, p_function->line, p_function->arguments[i], itos(current_class->variables[j].line)); + } + } #endif // DEBUG_ENABLED } @@ -7680,6 +7772,17 @@ void GDScriptParser::_check_function_types(FunctionNode *p_function) { p_function->return_type.has_type = false; p_function->return_type.may_yield = true; } + +#ifdef DEBUG_ENABLED + for (Map<StringName, LocalVarNode *>::Element *E = p_function->body->variables.front(); E; E = E->next()) { + LocalVarNode *lv = E->get(); + for (int i = 0; i < current_class->variables.size(); i++) { + if (current_class->variables[i].identifier == lv->name) { + _add_warning(GDScriptWarning::SHADOWED_VARIABLE, lv->line, lv->name, itos(current_class->variables[i].line)); + } + } + } +#endif // DEBUG_ENABLED } void GDScriptParser::_check_class_blocks_types(ClassNode *p_class) { @@ -7788,14 +7891,14 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) { if (_is_type_compatible(assign_type, lv->datatype)) { _mark_line_as_unsafe(lv->line); } else { - // Try implict conversion + // Try implicit conversion if (lv->datatype.kind != DataType::BUILTIN || !_is_type_compatible(lv->datatype, assign_type, true)) { _set_error("Assigned value type (" + assign_type.to_string() + ") doesn't match the variable's type (" + lv->datatype.to_string() + ").", lv->line); return; } - // Replace assignment with implict conversion + // Replace assignment with implicit conversion BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>(); convert->line = lv->line; convert->function = GDScriptFunctions::TYPE_CONVERT; @@ -7919,14 +8022,14 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) { if (_is_type_compatible(rh_type, lh_type)) { _mark_line_as_unsafe(op->line); } else { - // Try implict conversion + // Try implicit conversion if (lh_type.kind != DataType::BUILTIN || !_is_type_compatible(lh_type, rh_type, true)) { _set_error("Assigned value type (" + rh_type.to_string() + ") doesn't match the variable's type (" + lh_type.to_string() + ").", op->line); return; } - // Replace assignment with implict conversion + // Replace assignment with implicit conversion BuiltInFunctionNode *convert = alloc_node<BuiltInFunctionNode>(); convert->line = op->line; convert->function = GDScriptFunctions::TYPE_CONVERT; @@ -8044,7 +8147,8 @@ void GDScriptParser::_check_block_types(BlockNode *p_block) { if (cn->value.get_type() == Variant::STRING) { break; } - } // falthrough + FALLTHROUGH; + } default: { _mark_line_as_safe(statement->line); _reduce_node_type(statement); // Test for safety anyway |