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-rw-r--r--modules/gdscript/gdscript_analyzer.cpp247
1 files changed, 154 insertions, 93 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 898e4eb1a6..663d72038d 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -32,6 +32,7 @@
#include "core/config/engine.h"
#include "core/config/project_settings.h"
+#include "core/core_string_names.h"
#include "core/io/file_access.h"
#include "core/io/resource_loader.h"
#include "core/object/class_db.h"
@@ -39,6 +40,7 @@
#include "core/templates/hash_map.h"
#include "gdscript.h"
#include "gdscript_utility_functions.h"
+#include "scene/resources/packed_scene.h"
static MethodInfo info_from_utility_func(const StringName &p_function) {
ERR_FAIL_COND_V(!Variant::has_utility_function(p_function), MethodInfo());
@@ -132,7 +134,7 @@ static GDScriptParser::DataType make_builtin_meta_type(Variant::Type p_type) {
return type;
}
-bool GDScriptAnalyzer::has_member_name_conflict_in_script_class(const StringName &p_member_name, const GDScriptParser::ClassNode *p_class) {
+bool GDScriptAnalyzer::has_member_name_conflict_in_script_class(const StringName &p_member_name, const GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_member) {
if (p_class->members_indices.has(p_member_name)) {
int index = p_class->members_indices[p_member_name];
const GDScriptParser::ClassNode::Member *member = &p_class->members[index];
@@ -145,6 +147,9 @@ bool GDScriptAnalyzer::has_member_name_conflict_in_script_class(const StringName
member->type == GDScriptParser::ClassNode::Member::SIGNAL) {
return true;
}
+ if (p_member->type != GDScriptParser::Node::FUNCTION && member->type == GDScriptParser::ClassNode::Member::FUNCTION) {
+ return true;
+ }
}
return false;
@@ -160,6 +165,9 @@ bool GDScriptAnalyzer::has_member_name_conflict_in_native_type(const StringName
if (ClassDB::has_integer_constant(p_native_type_string, p_member_name)) {
return true;
}
+ if (p_member_name == CoreStringNames::get_singleton()->_script) {
+ return true;
+ }
return false;
}
@@ -187,14 +195,18 @@ Error GDScriptAnalyzer::check_class_member_name_conflict(const GDScriptParser::C
const GDScriptParser::DataType *current_data_type = &p_class_node->base_type;
while (current_data_type && current_data_type->kind == GDScriptParser::DataType::Kind::CLASS) {
GDScriptParser::ClassNode *current_class_node = current_data_type->class_type;
- if (has_member_name_conflict_in_script_class(p_member_name, current_class_node)) {
- push_error(vformat(R"(The member "%s" already exists in a parent class.)", p_member_name),
- p_member_node);
+ if (has_member_name_conflict_in_script_class(p_member_name, current_class_node, p_member_node)) {
+ String parent_class_name = current_class_node->fqcn;
+ if (current_class_node->identifier != nullptr) {
+ parent_class_name = current_class_node->identifier->name;
+ }
+ push_error(vformat(R"(The member "%s" already exists in parent class %s.)", p_member_name, parent_class_name), p_member_node);
return ERR_PARSE_ERROR;
}
current_data_type = &current_class_node->base_type;
}
+ // No need for native class recursion because Node exposes all Object's properties.
if (current_data_type && current_data_type->kind == GDScriptParser::DataType::Kind::NATIVE) {
if (current_data_type->native_type != StringName()) {
return check_native_member_name_conflict(
@@ -213,16 +225,6 @@ Error GDScriptAnalyzer::resolve_inheritance(GDScriptParser::ClassNode *p_class,
return OK;
}
- if (p_class == parser->head) {
- if (p_class->identifier) {
- p_class->fqcn = p_class->identifier->name;
- } else {
- p_class->fqcn = parser->script_path;
- }
- } else {
- p_class->fqcn = p_class->outer->fqcn + "::" + String(p_class->identifier->name);
- }
-
if (p_class->identifier) {
StringName class_name = p_class->identifier->name;
if (class_exists(class_name)) {
@@ -495,8 +497,8 @@ GDScriptParser::DataType GDScriptAnalyzer::resolve_datatype(GDScriptParser::Type
result = ref->get_parser()->head->get_datatype();
} else {
result.kind = GDScriptParser::DataType::SCRIPT;
- result.native_type = ScriptServer::get_global_class_native_base(first);
result.script_type = ResourceLoader::load(path, "Script");
+ result.native_type = result.script_type->get_instance_base_type();
result.script_path = path;
result.is_constant = true;
result.is_meta_type = false;
@@ -985,21 +987,26 @@ void GDScriptAnalyzer::resolve_class_body(GDScriptParser::ClassNode *p_class) {
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;
+ GDScriptParser::DataType return_datatype = getter_function->datatype;
+ if (getter_function->return_type != nullptr) {
+ return_datatype = getter_function->return_type->datatype;
+ return_datatype.is_meta_type = false;
+ }
+ if (getter_function->parameters.size() != 0 || return_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, return_datatype, true)) {
+ push_error(vformat(R"(Function with return type "%s" cannot be used as getter for a property of type "%s".)", return_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);
- }
+ if (member.variable->datatype.builtin_type == Variant::INT && return_datatype.builtin_type == Variant::FLOAT) {
+ parser->push_warning(member.variable, GDScriptWarning::NARROWING_CONVERSION);
+ }
#endif
+ }
}
}
@@ -1158,6 +1165,8 @@ void GDScriptAnalyzer::resolve_function_signature(GDScriptParser::FunctionNode *
if (p_function->parameters[i]->default_value->is_constant) {
p_function->default_arg_values.push_back(p_function->parameters[i]->default_value->reduced_value);
+ } else {
+ p_function->default_arg_values.push_back(Variant()); // Prevent shift.
}
}
#endif // TOOLS_ENABLED
@@ -1210,11 +1219,7 @@ void GDScriptAnalyzer::resolve_function_signature(GDScriptParser::FunctionNode *
if (!valid) {
// Compute parent signature as a string to show in the error message.
- String parent_signature = parent_return_type.is_hard_type() ? parent_return_type.to_string() : "Variant";
- if (parent_signature == "null") {
- parent_signature = "void";
- }
- parent_signature += " " + p_function->identifier->name.operator String() + "(";
+ String parent_signature = p_function->identifier->name.operator String() + "(";
int j = 0;
for (const GDScriptParser::DataType &par_type : parameters_types) {
if (j > 0) {
@@ -1231,7 +1236,15 @@ void GDScriptAnalyzer::resolve_function_signature(GDScriptParser::FunctionNode *
j++;
}
- parent_signature += ")";
+ parent_signature += ") -> ";
+
+ const String return_type = parent_return_type.is_hard_type() ? parent_return_type.to_string() : "Variant";
+ if (return_type == "null") {
+ parent_signature += "void";
+ } else {
+ parent_signature += return_type;
+ }
+
push_error(vformat(R"(The function signature doesn't match the parent. Parent signature is "%s".)", parent_signature), p_function);
}
}
@@ -1377,7 +1390,7 @@ void GDScriptAnalyzer::resolve_for(GDScriptParser::ForNode *p_for) {
if (all_is_constant) {
switch (args.size()) {
case 1:
- reduced = args[0];
+ reduced = (int32_t)args[0];
break;
case 2:
reduced = Vector2i(args[0], args[1]);
@@ -1602,8 +1615,8 @@ void GDScriptAnalyzer::resolve_assert(GDScriptParser::AssertNode *p_assert) {
reduce_expression(p_assert->condition);
if (p_assert->message != nullptr) {
reduce_expression(p_assert->message);
- if (!p_assert->message->is_constant || p_assert->message->reduced_value.get_type() != Variant::STRING) {
- push_error(R"(Expected constant string for assert error message.)", p_assert->message);
+ if (!p_assert->message->get_datatype().has_no_type() && (p_assert->message->get_datatype().kind != GDScriptParser::DataType::BUILTIN || p_assert->message->get_datatype().builtin_type != Variant::STRING)) {
+ push_error(R"(Expected string for assert error message.)", p_assert->message);
}
}
@@ -1721,7 +1734,6 @@ void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parame
} else {
result.type_source = GDScriptParser::DataType::INFERRED;
}
- result.is_constant = false;
}
if (p_parameter->datatype_specifier != nullptr) {
@@ -1741,6 +1753,7 @@ void GDScriptAnalyzer::resolve_parameter(GDScriptParser::ParameterNode *p_parame
push_error(vformat(R"(Could not infer the type of the variable "%s" because the initial value is "null".)", p_parameter->identifier->name), p_parameter->default_value);
}
+ result.is_constant = false;
p_parameter->set_datatype(result);
}
@@ -2425,9 +2438,15 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a
switch (err.error) {
case Callable::CallError::CALL_ERROR_INVALID_ARGUMENT: {
- PropertyInfo wrong_arg = function_info.arguments[err.argument];
+ String expected_type_name;
+ if (err.argument < function_info.arguments.size()) {
+ expected_type_name = type_from_property(function_info.arguments[err.argument]).to_string();
+ } else {
+ expected_type_name = Variant::get_type_name((Variant::Type)err.expected);
+ }
+
push_error(vformat(R"*(Invalid argument for "%s()" function: argument %d should be %s but is %s.)*", function_name, err.argument + 1,
- type_from_property(wrong_arg).to_string(), p_call->arguments[err.argument]->get_datatype().to_string()),
+ expected_type_name, p_call->arguments[err.argument]->get_datatype().to_string()),
p_call->arguments[err.argument]);
} break;
case Callable::CallError::CALL_ERROR_INVALID_METHOD:
@@ -2553,8 +2572,14 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a
parser->push_warning(p_call, GDScriptWarning::RETURN_VALUE_DISCARDED, p_call->function_name);
}
- if (is_static && !base_type.is_meta_type && !(callee_type != GDScriptParser::Node::SUBSCRIPT && parser->current_function != nullptr && parser->current_function->is_static)) {
- parser->push_warning(p_call, GDScriptWarning::STATIC_CALLED_ON_INSTANCE, p_call->function_name, base_type.to_string());
+ if (is_static && !base_type.is_meta_type && !(is_self && parser->current_function != nullptr && parser->current_function->is_static)) {
+ String caller_type = String(base_type.native_type);
+
+ if (caller_type.is_empty()) {
+ caller_type = base_type.to_string();
+ }
+
+ parser->push_warning(p_call, GDScriptWarning::STATIC_CALLED_ON_INSTANCE, p_call->function_name, caller_type);
}
#endif // DEBUG_ENABLED
@@ -2717,21 +2742,13 @@ GDScriptParser::DataType GDScriptAnalyzer::make_global_class_meta_type(const Str
return type;
}
- type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
- type.kind = GDScriptParser::DataType::CLASS;
- type.builtin_type = Variant::OBJECT;
- type.native_type = ScriptServer::get_global_class_native_base(p_class_name);
- type.class_type = ref->get_parser()->head;
- type.script_path = ref->get_parser()->script_path;
- type.is_constant = true;
- type.is_meta_type = true;
- return type;
+ return ref->get_parser()->head->get_datatype();
} else {
type.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
type.kind = GDScriptParser::DataType::SCRIPT;
type.builtin_type = Variant::OBJECT;
- type.native_type = ScriptServer::get_global_class_native_base(p_class_name);
type.script_type = ResourceLoader::load(path, "Script");
+ type.native_type = type.script_type->get_instance_base_type();
type.script_path = path;
type.is_constant = true;
type.is_meta_type = true;
@@ -2855,6 +2872,9 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
p_identifier->variable_source = member.variable;
member.variable->usages += 1;
break;
+ case GDScriptParser::ClassNode::Member::SIGNAL:
+ p_identifier->source = GDScriptParser::IdentifierNode::MEMBER_SIGNAL;
+ break;
case GDScriptParser::ClassNode::Member::FUNCTION:
resolve_function_signature(member.function);
p_identifier->set_datatype(make_callable_type(member.function->info));
@@ -2911,7 +2931,7 @@ void GDScriptAnalyzer::reduce_identifier_from_base(GDScriptParser::IdentifierNod
base_class = base_class->base_type.class_type;
}
- // Check native members.
+ // Check native members. No need for native class recursion because Node exposes all Object's properties.
const StringName &native = base.native_type;
if (class_exists(native)) {
@@ -2999,6 +3019,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
p_identifier->reduced_value = p_identifier->constant_source->initializer->reduced_value;
found_source = true;
break;
+ case GDScriptParser::IdentifierNode::MEMBER_SIGNAL:
case GDScriptParser::IdentifierNode::INHERITED_VARIABLE:
mark_lambda_use_self();
break;
@@ -3102,7 +3123,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
GDScriptParser::DataType result;
result.kind = GDScriptParser::DataType::NATIVE;
result.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT;
- if (autoload.path.to_lower().ends_with(GDScriptLanguage::get_singleton()->get_extension())) {
+ if (ResourceLoader::get_resource_type(autoload.path) == "GDScript") {
Ref<GDScriptParserRef> singl_parser = get_parser_for(autoload.path);
if (singl_parser.is_valid()) {
Error err = singl_parser->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
@@ -3110,6 +3131,23 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident
result = type_from_metatype(singl_parser->get_parser()->head->get_datatype());
}
}
+ } else if (ResourceLoader::get_resource_type(autoload.path) == "PackedScene") {
+ if (GDScriptLanguage::get_singleton()->get_named_globals_map().has(name)) {
+ Variant constant = GDScriptLanguage::get_singleton()->get_named_globals_map()[name];
+ Node *node = Object::cast_to<Node>(constant);
+ if (node != nullptr) {
+ Ref<Script> scr = node->get_script();
+ if (scr.is_valid()) {
+ Ref<GDScriptParserRef> singl_parser = get_parser_for(scr->get_path());
+ if (singl_parser.is_valid()) {
+ Error err = singl_parser->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
+ if (err == OK) {
+ result = type_from_metatype(singl_parser->get_parser()->head->get_datatype());
+ }
+ }
+ }
+ }
+ }
}
result.is_constant = true;
p_identifier->set_datatype(result);
@@ -3235,9 +3273,28 @@ void GDScriptAnalyzer::reduce_preload(GDScriptParser::PreloadNode *p_preload) {
}
} else {
// TODO: Don't load if validating: use completion cache.
- p_preload->resource = ResourceLoader::load(p_preload->resolved_path);
- if (p_preload->resource.is_null()) {
- push_error(vformat(R"(Could not preload resource file "%s".)", p_preload->resolved_path), p_preload->path);
+
+ // Must load GDScript and PackedScenes separately to permit cyclic references
+ // as ResourceLoader::load() detect and reject those.
+ if (ResourceLoader::get_resource_type(p_preload->resolved_path) == "GDScript") {
+ Error err = OK;
+ Ref<GDScript> res = GDScriptCache::get_shallow_script(p_preload->resolved_path, err, parser->script_path);
+ p_preload->resource = res;
+ if (err != OK) {
+ push_error(vformat(R"(Could not preload resource script "%s".)", p_preload->resolved_path), p_preload->path);
+ }
+ } else if (ResourceLoader::get_resource_type(p_preload->resolved_path) == "PackedScene") {
+ Error err = OK;
+ Ref<PackedScene> res = GDScriptCache::get_packed_scene(p_preload->resolved_path, err, parser->script_path);
+ p_preload->resource = res;
+ if (err != OK) {
+ push_error(vformat(R"(Could not preload resource scene "%s".)", p_preload->resolved_path), p_preload->path);
+ }
+ } else {
+ p_preload->resource = ResourceLoader::load(p_preload->resolved_path);
+ if (p_preload->resource.is_null()) {
+ push_error(vformat(R"(Could not preload resource file "%s".)", p_preload->resolved_path), p_preload->path);
+ }
}
}
}
@@ -3279,6 +3336,17 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri
// Just try to get it.
bool valid = false;
Variant value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, valid);
+
+ // If it's a GDScript instance, try to get the full script. Maybe it's not still completely loaded.
+ Ref<GDScript> gdscr = Ref<GDScript>(p_subscript->base->reduced_value);
+ if (!valid && gdscr.is_valid()) {
+ Error err = OK;
+ GDScriptCache::get_full_script(gdscr->get_path(), err);
+ if (err == OK) {
+ value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, valid);
+ }
+ }
+
if (!valid) {
push_error(vformat(R"(Cannot get member "%s" from "%s".)", p_subscript->attribute->name, p_subscript->base->reduced_value), p_subscript->index);
result_type.kind = GDScriptParser::DataType::VARIANT;
@@ -3661,50 +3729,43 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_va
scr = obj->get_script();
}
if (scr.is_valid()) {
- if (scr->is_valid()) {
- result.script_type = scr;
- result.script_path = scr->get_path();
- Ref<GDScript> gds = scr;
- if (gds.is_valid()) {
- result.kind = GDScriptParser::DataType::CLASS;
- // This might be an inner class, so we want to get the parser for the root.
- // But still get the inner class from that tree.
- GDScript *current = gds.ptr();
- List<StringName> class_chain;
- while (current->_owner) {
- // Push to front so it's in reverse.
- class_chain.push_front(current->name);
- current = current->_owner;
- }
-
- Ref<GDScriptParserRef> ref = get_parser_for(current->get_path());
- if (ref.is_null()) {
- push_error("Could not find script in path.", p_source);
- GDScriptParser::DataType error_type;
- error_type.kind = GDScriptParser::DataType::VARIANT;
- return error_type;
- }
- ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
+ result.script_type = scr;
+ result.script_path = scr->get_path();
+ Ref<GDScript> gds = scr;
+ if (gds.is_valid()) {
+ result.kind = GDScriptParser::DataType::CLASS;
+ // This might be an inner class, so we want to get the parser for the root.
+ // But still get the inner class from that tree.
+ GDScript *current = gds.ptr();
+ List<StringName> class_chain;
+ while (current->_owner) {
+ // Push to front so it's in reverse.
+ class_chain.push_front(current->name);
+ current = current->_owner;
+ }
- GDScriptParser::ClassNode *found = ref->get_parser()->head;
+ Ref<GDScriptParserRef> ref = get_parser_for(current->get_path());
+ if (ref.is_null()) {
+ push_error("Could not find script in path.", p_source);
+ GDScriptParser::DataType error_type;
+ error_type.kind = GDScriptParser::DataType::VARIANT;
+ return error_type;
+ }
+ ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED);
- // It should be okay to assume this exists, since we have a complete script already.
- for (const StringName &E : class_chain) {
- found = found->get_member(E).m_class;
- }
+ GDScriptParser::ClassNode *found = ref->get_parser()->head;
- result.class_type = found;
- result.script_path = ref->get_parser()->script_path;
- } else {
- result.kind = GDScriptParser::DataType::SCRIPT;
+ // It should be okay to assume this exists, since we have a complete script already.
+ for (const StringName &E : class_chain) {
+ found = found->get_member(E).m_class;
}
- result.native_type = scr->get_instance_base_type();
+
+ result.class_type = found;
+ result.script_path = ref->get_parser()->script_path;
} else {
- push_error(vformat(R"(Constant value uses script from "%s" which is loaded but not compiled.)", scr->get_path()), p_source);
- result.kind = GDScriptParser::DataType::VARIANT;
- result.type_source = GDScriptParser::DataType::UNDETECTED;
- result.is_meta_type = false;
+ result.kind = GDScriptParser::DataType::SCRIPT;
}
+ result.native_type = scr->get_instance_base_type();
} else {
result.kind = GDScriptParser::DataType::NATIVE;
if (result.native_type == GDScriptNativeClass::get_class_static()) {