diff options
Diffstat (limited to 'modules/mono/editor/bindings_generator.cpp')
| -rw-r--r-- | modules/mono/editor/bindings_generator.cpp | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/modules/mono/editor/bindings_generator.cpp b/modules/mono/editor/bindings_generator.cpp index cfd684ebbc..0b6a6a327c 100644 --- a/modules/mono/editor/bindings_generator.cpp +++ b/modules/mono/editor/bindings_generator.cpp @@ -80,6 +80,7 @@ #define ICALL_GET_METHODBIND ICALL_PREFIX "Object_ClassDB_get_method" #define C_LOCAL_RET "ret" +#define C_LOCAL_VARARG_RET "vararg_ret" #define C_LOCAL_PTRCALL_ARGS "call_args" #define C_MACRO_OBJECT_CONSTRUCT "GODOTSHARP_INSTANCE_OBJECT" @@ -96,7 +97,7 @@ #define C_METHOD_MONOARRAY_TO(m_type) C_NS_MONOMARSHAL "::mono_array_to_" #m_type #define C_METHOD_MONOARRAY_FROM(m_type) C_NS_MONOMARSHAL "::" #m_type "_to_mono_array" -#define BINDINGS_GENERATOR_VERSION UINT32_C(5) +#define BINDINGS_GENERATOR_VERSION UINT32_C(6) const char *BindingsGenerator::TypeInterface::DEFAULT_VARARG_C_IN = "\t%0 %1_in = %1;\n"; @@ -1501,6 +1502,15 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte String ptrcall_return_type; String initialization; + if (p_imethod.is_vararg && return_type->cname != name_cache.type_Variant) { + // VarArg methods always return Variant, but there are some cases in which MethodInfo provides + // a specific return type. We trust this information is valid. We need a temporary local to keep + // the Variant alive until the method returns. Otherwise, if the returned Variant holds a RefPtr, + // it could be deleted too early. This is the case with GDScript.new() which returns OBJECT. + // Alternatively, we could just return Variant, but that would result in a worse API. + p_output.push_back("\tVariant " C_LOCAL_VARARG_RET ";\n"); + } + if (return_type->is_object_type) { ptrcall_return_type = return_type->is_reference ? "Ref<Reference>" : return_type->c_type; initialization = return_type->is_reference ? "" : " = NULL"; @@ -1558,12 +1568,23 @@ Error BindingsGenerator::_generate_glue_method(const BindingsGenerator::TypeInte if (p_imethod.is_vararg) { p_output.push_back("\tVariant::CallError vcall_error;\n\t"); - if (!ret_void) - p_output.push_back(C_LOCAL_RET " = "); + if (!ret_void) { + // See the comment on the C_LOCAL_VARARG_RET declaration + if (return_type->cname != name_cache.type_Variant) { + p_output.push_back(C_LOCAL_VARARG_RET " = "); + } else { + p_output.push_back(C_LOCAL_RET " = "); + } + } p_output.push_back(CS_PARAM_METHODBIND "->call(" CS_PARAM_INSTANCE ", "); p_output.push_back(p_imethod.arguments.size() ? "(const Variant**)" C_LOCAL_PTRCALL_ARGS ".ptr()" : "NULL"); p_output.push_back(", total_length, vcall_error);\n"); + + // See the comment on the C_LOCAL_VARARG_RET declaration + if (return_type->cname != name_cache.type_Variant) { + p_output.push_back("\t" C_LOCAL_RET " = " C_LOCAL_VARARG_RET ";\n"); + } } else { p_output.push_back("\t" CS_PARAM_METHODBIND "->ptrcall(" CS_PARAM_INSTANCE ", "); p_output.push_back(p_imethod.arguments.size() ? C_LOCAL_PTRCALL_ARGS ", " : "NULL, "); |