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-rw-r--r--modules/gdscript/gdscript_analyzer.cpp153
1 files changed, 121 insertions, 32 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 2dafc85f45..8bd288cf0f 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -470,6 +470,7 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type
GDScriptParser::DataType container_type = resolve_datatype(p_type->container_type);
if (container_type.kind != GDScriptParser::DataType::VARIANT) {
+ container_type.is_meta_type = false;
result.set_container_element_type(container_type);
}
}
@@ -875,18 +876,34 @@ void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class) {
GDScriptParser::ClassNode *previous_class = parser->current_class;
parser->current_class = p_class;
- // Do functions now.
+ // Do functions and properties now.
for (int i = 0; i < p_class->members.size(); i++) {
GDScriptParser::ClassNode::Member member = p_class->members[i];
- if (member.type != GDScriptParser::ClassNode::Member::FUNCTION) {
- continue;
- }
+ if (member.type == GDScriptParser::ClassNode::Member::FUNCTION) {
+ resolve_function_body(member.function);
+
+ // Apply annotations.
+ for (GDScriptParser::AnnotationNode *&E : member.function->annotations) {
+ E->apply(parser, member.function);
+ }
+ } else if (member.type == GDScriptParser::ClassNode::Member::VARIABLE && member.variable->property != GDScriptParser::VariableNode::PROP_NONE) {
+ if (member.variable->property == GDScriptParser::VariableNode::PROP_INLINE) {
+ if (member.variable->getter != nullptr) {
+ member.variable->getter->set_datatype(member.variable->datatype);
- resolve_function_body(member.function);
+ resolve_function_body(member.variable->getter);
+ }
+ if (member.variable->setter != nullptr) {
+ resolve_function_signature(member.variable->setter);
+
+ if (member.variable->setter->parameters.size() > 0) {
+ member.variable->setter->parameters[0]->datatype_specifier = member.variable->datatype_specifier;
+ member.variable->setter->parameters[0]->set_datatype(member.get_datatype());
+ }
- // Apply annotations.
- for (GDScriptParser::AnnotationNode *&E : member.function->annotations) {
- E->apply(parser, member.function);
+ resolve_function_body(member.variable->setter);
+ }
+ }
}
}
@@ -902,17 +919,80 @@ void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class) {
resolve_class_body(member.m_class);
}
- // Check unused variables.
+ // Check unused variables and datatypes of property getters and setters.
for (int i = 0; i < p_class->members.size(); i++) {
GDScriptParser::ClassNode::Member member = p_class->members[i];
- if (member.type != GDScriptParser::ClassNode::Member::VARIABLE) {
- continue;
- }
+ if (member.type == GDScriptParser::ClassNode::Member::VARIABLE) {
#ifdef DEBUG_ENABLED
- if (member.variable->usages == 0 && String(member.variable->identifier->name).begins_with("_")) {
- parser->push_warning(member.variable->identifier, GDScriptWarning::UNUSED_PRIVATE_CLASS_VARIABLE, member.variable->identifier->name);
- }
+ if (member.variable->usages == 0 && String(member.variable->identifier->name).begins_with("_")) {
+ parser->push_warning(member.variable->identifier, GDScriptWarning::UNUSED_PRIVATE_CLASS_VARIABLE, member.variable->identifier->name);
+ }
#endif
+
+ if (member.variable->property == GDScriptParser::VariableNode::PROP_SETGET) {
+ GDScriptParser::FunctionNode *getter_function = nullptr;
+ GDScriptParser::FunctionNode *setter_function = nullptr;
+
+ bool has_valid_getter = false;
+ bool has_valid_setter = false;
+
+ if (member.variable->getter_pointer != nullptr) {
+ if (p_class->has_function(member.variable->getter_pointer->name)) {
+ getter_function = p_class->get_member(member.variable->getter_pointer->name).function;
+ }
+
+ if (getter_function == nullptr) {
+ push_error(vformat(R"(Getter "%s" not found.)", member.variable->getter_pointer->name), member.variable);
+
+ } else if (getter_function->parameters.size() != 0 || getter_function->datatype.has_no_type()) {
+ push_error(vformat(R"(Function "%s" cannot be used as getter because of its signature.)", getter_function->identifier->name), member.variable);
+
+ } else if (!is_type_compatible(member.variable->datatype, getter_function->datatype, true)) {
+ push_error(vformat(R"(Function with return type "%s" cannot be used as getter for a property of type "%s".)", getter_function->datatype.to_string(), member.variable->datatype.to_string()), member.variable);
+
+ } else {
+ has_valid_getter = true;
+
+#ifdef DEBUG_ENABLED
+ if (member.variable->datatype.builtin_type == Variant::INT && getter_function->datatype.builtin_type == Variant::FLOAT) {
+ parser->push_warning(member.variable, GDScriptWarning::NARROWING_CONVERSION);
+ }
+#endif
+ }
+ }
+
+ if (member.variable->setter_pointer != nullptr) {
+ if (p_class->has_function(member.variable->setter_pointer->name)) {
+ setter_function = p_class->get_member(member.variable->setter_pointer->name).function;
+ }
+
+ if (setter_function == nullptr) {
+ push_error(vformat(R"(Setter "%s" not found.)", member.variable->setter_pointer->name), member.variable);
+
+ } else if (setter_function->parameters.size() != 1) {
+ push_error(vformat(R"(Function "%s" cannot be used as setter because of its signature.)", setter_function->identifier->name), member.variable);
+
+ } else if (!is_type_compatible(member.variable->datatype, setter_function->parameters[0]->datatype, true)) {
+ push_error(vformat(R"(Function with argument type "%s" cannot be used as setter for a property of type "%s".)", setter_function->parameters[0]->datatype.to_string(), member.variable->datatype.to_string()), member.variable);
+
+ } else {
+ has_valid_setter = true;
+
+#ifdef DEBUG_ENABLED
+ if (member.variable->datatype.builtin_type == Variant::INT && setter_function->return_type->datatype.builtin_type == Variant::FLOAT) {
+ parser->push_warning(member.variable, GDScriptWarning::NARROWING_CONVERSION);
+ }
+#endif
+ }
+ }
+
+ if (member.variable->datatype.is_variant() && has_valid_getter && has_valid_setter) {
+ if (!is_type_compatible(getter_function->datatype, setter_function->parameters[0]->datatype, true)) {
+ push_error(vformat(R"(Getter with type "%s" cannot be used along with setter of type "%s".)", getter_function->datatype.to_string(), setter_function->parameters[0]->datatype.to_string()), member.variable);
+ }
+ }
+ }
+ }
}
}
@@ -1529,12 +1609,20 @@ void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parame
void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) {
GDScriptParser::DataType result;
+ GDScriptParser::DataType expected_type;
+ bool has_expected_type = false;
+
+ if (parser->current_function != nullptr) {
+ expected_type = parser->current_function->get_datatype();
+ has_expected_type = true;
+ }
+
if (p_return->return_value != nullptr) {
reduce_expression(p_return->return_value);
if (p_return->return_value->type == GDScriptParser::Node::ARRAY) {
// Check if assigned value is an array literal, so we can make it a typed array too if appropriate.
- if (parser->current_function->get_datatype().has_container_element_type() && p_return->return_value->type == GDScriptParser::Node::ARRAY) {
- update_array_literal_element_type(parser->current_function->get_datatype(), static_cast<GDScriptParser::ArrayNode *>(p_return->return_value));
+ if (has_expected_type && expected_type.has_container_element_type() && p_return->return_value->type == GDScriptParser::Node::ARRAY) {
+ update_array_literal_element_type(expected_type, static_cast<GDScriptParser::ArrayNode *>(p_return->return_value));
}
}
result = p_return->return_value->get_datatype();
@@ -1546,23 +1634,24 @@ void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) {
result.is_constant = true;
}
- GDScriptParser::DataType function_type = parser->current_function->get_datatype();
- function_type.is_meta_type = false;
- if (function_type.is_hard_type()) {
- if (!is_type_compatible(function_type, result)) {
- // Try other way. Okay but not safe.
- if (!is_type_compatible(result, function_type)) {
- push_error(vformat(R"(Cannot return value of type "%s" because the function return type is "%s".)", result.to_string(), function_type.to_string()), p_return);
- } else {
- // TODO: Add warning.
- mark_node_unsafe(p_return);
- }
+ if (has_expected_type) {
+ expected_type.is_meta_type = false;
+ if (expected_type.is_hard_type()) {
+ if (!is_type_compatible(expected_type, result)) {
+ // Try other way. Okay but not safe.
+ if (!is_type_compatible(result, expected_type)) {
+ push_error(vformat(R"(Cannot return value of type "%s" because the function return type is "%s".)", result.to_string(), expected_type.to_string()), p_return);
+ } else {
+ // TODO: Add warning.
+ mark_node_unsafe(p_return);
+ }
#ifdef DEBUG_ENABLED
- } else if (function_type.builtin_type == Variant::INT && result.builtin_type == Variant::FLOAT) {
- parser->push_warning(p_return, GDScriptWarning::NARROWING_CONVERSION);
- } else if (result.is_variant()) {
- mark_node_unsafe(p_return);
+ } else if (expected_type.builtin_type == Variant::INT && result.builtin_type == Variant::FLOAT) {
+ parser->push_warning(p_return, GDScriptWarning::NARROWING_CONVERSION);
+ } else if (result.is_variant()) {
+ mark_node_unsafe(p_return);
#endif
+ }
}
}