diff options
Diffstat (limited to 'modules/gdscript/gdscript_analyzer.cpp')
-rw-r--r-- | modules/gdscript/gdscript_analyzer.cpp | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index 8a07d509a1..e55b16c55d 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -1507,9 +1507,9 @@ void GDScriptAnalyzer::resolve_assignable(GDScriptParser::AssignableNode *p_assi if (is_constant) { if (p_assignable->initializer->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_assignable->initializer)); + const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_assignable->initializer), true); } else if (p_assignable->initializer->type == GDScriptParser::Node::DICTIONARY) { - const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_assignable->initializer)); + const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_assignable->initializer), true); } if (!p_assignable->initializer->is_constant) { push_error(vformat(R"(Assigned value for %s "%s" isn't a constant expression.)", p_kind, p_assignable->identifier->name), p_assignable->initializer); @@ -2063,6 +2063,10 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig GDScriptParser::DataType assignee_type = p_assignment->assignee->get_datatype(); + if (assignee_type.is_constant || (p_assignment->assignee->type == GDScriptParser::Node::SUBSCRIPT && static_cast<GDScriptParser::SubscriptNode *>(p_assignment->assignee)->base->is_constant)) { + push_error("Cannot assign a new value to a constant.", p_assignment->assignee); + } + // Check if assigned value is an array literal, so we can make it a typed array too if appropriate. if (assignee_type.has_container_element_type() && p_assignment->assigned_value->type == GDScriptParser::Node::ARRAY) { update_array_literal_element_type(assignee_type, static_cast<GDScriptParser::ArrayNode *>(p_assignment->assigned_value)); @@ -2070,10 +2074,6 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig GDScriptParser::DataType assigned_value_type = p_assignment->assigned_value->get_datatype(); - if (assignee_type.is_constant) { - push_error("Cannot assign a new value to a constant.", p_assignment->assignee); - } - bool compatible = true; GDScriptParser::DataType op_type = assigned_value_type; if (p_assignment->operation != GDScriptParser::AssignmentNode::OP_NONE) { @@ -3411,9 +3411,9 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri reduce_expression(p_subscript->base); if (p_subscript->base->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_subscript->base)); + const_fold_array(static_cast<GDScriptParser::ArrayNode *>(p_subscript->base), false); } else if (p_subscript->base->type == GDScriptParser::Node::DICTIONARY) { - const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_subscript->base)); + const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(p_subscript->base), false); } } @@ -3738,16 +3738,16 @@ void GDScriptAnalyzer::reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op) p_unary_op->set_datatype(result); } -void GDScriptAnalyzer::const_fold_array(GDScriptParser::ArrayNode *p_array) { +void GDScriptAnalyzer::const_fold_array(GDScriptParser::ArrayNode *p_array, bool p_is_const) { bool all_is_constant = true; for (int i = 0; i < p_array->elements.size(); i++) { GDScriptParser::ExpressionNode *element = p_array->elements[i]; if (element->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(element)); + const_fold_array(static_cast<GDScriptParser::ArrayNode *>(element), p_is_const); } else if (element->type == GDScriptParser::Node::DICTIONARY) { - const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(element)); + const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(element), p_is_const); } all_is_constant = all_is_constant && element->is_constant; @@ -3761,20 +3761,23 @@ void GDScriptAnalyzer::const_fold_array(GDScriptParser::ArrayNode *p_array) { for (int i = 0; i < p_array->elements.size(); i++) { array[i] = p_array->elements[i]->reduced_value; } + if (p_is_const) { + array.set_read_only(true); + } p_array->is_constant = true; p_array->reduced_value = array; } -void GDScriptAnalyzer::const_fold_dictionary(GDScriptParser::DictionaryNode *p_dictionary) { +void GDScriptAnalyzer::const_fold_dictionary(GDScriptParser::DictionaryNode *p_dictionary, bool p_is_const) { bool all_is_constant = true; for (int i = 0; i < p_dictionary->elements.size(); i++) { const GDScriptParser::DictionaryNode::Pair &element = p_dictionary->elements[i]; if (element.value->type == GDScriptParser::Node::ARRAY) { - const_fold_array(static_cast<GDScriptParser::ArrayNode *>(element.value)); + const_fold_array(static_cast<GDScriptParser::ArrayNode *>(element.value), p_is_const); } else if (element.value->type == GDScriptParser::Node::DICTIONARY) { - const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(element.value)); + const_fold_dictionary(static_cast<GDScriptParser::DictionaryNode *>(element.value), p_is_const); } all_is_constant = all_is_constant && element.key->is_constant && element.value->is_constant; @@ -3788,6 +3791,9 @@ void GDScriptAnalyzer::const_fold_dictionary(GDScriptParser::DictionaryNode *p_d const GDScriptParser::DictionaryNode::Pair &element = p_dictionary->elements[i]; dict[element.key->reduced_value] = element.value->reduced_value; } + if (p_is_const) { + dict.set_read_only(true); + } p_dictionary->is_constant = true; p_dictionary->reduced_value = dict; } |