GDScript: Add validation for @export_node_path annotation arguments

Co-authored-by: George Marques <george@gmarqu.es>
This commit is contained in:
Danil Alexeev 2023-07-26 18:26:48 +03:00
parent 202e4b2c1e
commit 5b4403c9a5
No known key found for this signature in database
GPG key ID: 124453E157DA8DC7
3 changed files with 32 additions and 5 deletions

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@ -3867,6 +3867,7 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node
}
}
// WARNING: Do not merge with the previous `if` because there `!=`, not `==`!
if (p_annotation->name == SNAME("@export_flags")) {
const int64_t max_flags = 32;
Vector<String> t = arg_string.split(":", true, 1);
@ -3892,6 +3893,18 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node
push_error(vformat(R"(Invalid argument %d of annotation "@export_flags": Starting from argument %d, the flag value must be specified explicitly.)", i + 1, max_flags + 1), p_annotation->arguments[i]);
return false;
}
} else if (p_annotation->name == SNAME("@export_node_path")) {
String native_class = arg_string;
if (ScriptServer::is_global_class(arg_string)) {
native_class = ScriptServer::get_global_class_native_base(arg_string);
}
if (!ClassDB::class_exists(native_class)) {
push_error(vformat(R"(Invalid argument %d of annotation "@export_node_path": The class "%s" was not found in the global scope.)", i + 1, arg_string), p_annotation->arguments[i]);
return false;
} else if (!ClassDB::is_parent_class(native_class, SNAME("Node"))) {
push_error(vformat(R"(Invalid argument %d of annotation "@export_node_path": The class "%s" does not inherit "Node".)", i + 1, arg_string), p_annotation->arguments[i]);
return false;
}
}
if (i > 0) {
@ -3909,8 +3922,7 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node
if (export_type.builtin_type == Variant::INT) {
variable->export_info.type = Variant::INT;
}
}
if (p_annotation->name == SNAME("@export_multiline")) {
} else if (p_annotation->name == SNAME("@export_multiline")) {
if (export_type.builtin_type == Variant::ARRAY && export_type.has_container_element_type()) {
DataType inner_type = export_type.get_container_element_type();
if (inner_type.builtin_type != Variant::STRING) {
@ -3938,6 +3950,8 @@ bool GDScriptParser::export_annotations(const AnnotationNode *p_annotation, Node
}
}
// WARNING: Do not merge with the previous `else if`! Otherwise `else` (default variable type check)
// will not work for the above annotations. `@export` and `@export_enum` validate the type separately.
if (p_annotation->name == SNAME("@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);