diff options
-rw-r--r-- | modules/gdscript/gdscript_byte_codegen.cpp | 81 | ||||
-rw-r--r-- | modules/gdscript/gdscript_disassembler.cpp | 33 | ||||
-rw-r--r-- | modules/gdscript/gdscript_function.h | 4 | ||||
-rw-r--r-- | modules/gdscript/gdscript_vm.cpp | 192 |
4 files changed, 304 insertions, 6 deletions
diff --git a/modules/gdscript/gdscript_byte_codegen.cpp b/modules/gdscript/gdscript_byte_codegen.cpp index e27329d18b..a31d46bbba 100644 --- a/modules/gdscript/gdscript_byte_codegen.cpp +++ b/modules/gdscript/gdscript_byte_codegen.cpp @@ -1286,8 +1286,85 @@ void GDScriptByteCodeGenerator::write_newline(int p_line) { } void GDScriptByteCodeGenerator::write_return(const Address &p_return_value) { - append(GDScriptFunction::OPCODE_RETURN, 1); - append(p_return_value); + if (!function->return_type.has_type || p_return_value.type.has_type) { + // Either the function is untyped or the return value is also typed. + + // If this is a typed function, then we need to check for potential conversions. + if (function->return_type.has_type) { + if (function->return_type.kind == GDScriptDataType::BUILTIN && function->return_type.builtin_type == Variant::ARRAY && function->return_type.has_container_element_type()) { + // Typed array. + const GDScriptDataType &element_type = function->return_type.get_container_element_type(); + + Variant script = function->return_type.script_type; + int script_idx = get_constant_pos(script); + script_idx |= (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS); + + append(GDScriptFunction::OPCODE_RETURN_TYPED_ARRAY, 2); + append(p_return_value); + append(script_idx); + append(element_type.kind == GDScriptDataType::BUILTIN ? element_type.builtin_type : Variant::OBJECT); + append(element_type.native_type); + } else if (function->return_type.kind == GDScriptDataType::BUILTIN && p_return_value.type.kind == GDScriptDataType::BUILTIN && function->return_type.builtin_type != p_return_value.type.builtin_type) { + // Add conversion. + append(GDScriptFunction::OPCODE_RETURN_TYPED_BUILTIN, 1); + append(p_return_value); + append(function->return_type.builtin_type); + } else { + // Just assign. + append(GDScriptFunction::OPCODE_RETURN, 1); + append(p_return_value); + } + } else { + append(GDScriptFunction::OPCODE_RETURN, 1); + append(p_return_value); + } + } else { + switch (function->return_type.kind) { + case GDScriptDataType::BUILTIN: { + if (function->return_type.builtin_type == Variant::ARRAY && function->return_type.has_container_element_type()) { + const GDScriptDataType &element_type = function->return_type.get_container_element_type(); + + Variant script = function->return_type.script_type; + int script_idx = get_constant_pos(script); + script_idx |= (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS); + + append(GDScriptFunction::OPCODE_RETURN_TYPED_ARRAY, 2); + append(p_return_value); + append(script_idx); + append(element_type.kind == GDScriptDataType::BUILTIN ? element_type.builtin_type : Variant::OBJECT); + append(element_type.native_type); + } else { + append(GDScriptFunction::OPCODE_RETURN_TYPED_BUILTIN, 1); + append(p_return_value); + append(function->return_type.builtin_type); + } + } break; + case GDScriptDataType::NATIVE: { + append(GDScriptFunction::OPCODE_RETURN_TYPED_NATIVE, 2); + append(p_return_value); + int class_idx = GDScriptLanguage::get_singleton()->get_global_map()[function->return_type.native_type]; + class_idx |= (GDScriptFunction::ADDR_TYPE_GLOBAL << GDScriptFunction::ADDR_BITS); + append(class_idx); + } break; + case GDScriptDataType::GDSCRIPT: + case GDScriptDataType::SCRIPT: { + Variant script = function->return_type.script_type; + int script_idx = get_constant_pos(script); + script_idx |= (GDScriptFunction::ADDR_TYPE_LOCAL_CONSTANT << GDScriptFunction::ADDR_BITS); + + append(GDScriptFunction::OPCODE_RETURN_TYPED_SCRIPT, 2); + append(p_return_value); + append(script_idx); + } break; + default: { + ERR_PRINT("Compiler bug: unresolved return."); + + // Shouldn't get here, but fail-safe to a regular return; + append(GDScriptFunction::OPCODE_RETURN, 1); + append(p_return_value); + } break; + } + } } void GDScriptByteCodeGenerator::write_assert(const Address &p_test, const Address &p_message) { diff --git a/modules/gdscript/gdscript_disassembler.cpp b/modules/gdscript/gdscript_disassembler.cpp index 32adca29ed..76ebdc8bed 100644 --- a/modules/gdscript/gdscript_disassembler.cpp +++ b/modules/gdscript/gdscript_disassembler.cpp @@ -761,6 +761,39 @@ void GDScriptFunction::disassemble(const Vector<String> &p_code_lines) const { incr = 2; } break; + case OPCODE_RETURN_TYPED_BUILTIN: { + text += "return typed builtin ("; + text += Variant::get_type_name((Variant::Type)_code_ptr[ip + 2]); + text += ") "; + text += DADDR(1); + + incr += 3; + } break; + case OPCODE_RETURN_TYPED_ARRAY: { + text += "return typed array "; + text += DADDR(1); + + incr += 5; + } break; + case OPCODE_RETURN_TYPED_NATIVE: { + text += "return typed native ("; + text += DADDR(2); + text += ") "; + text += DADDR(1); + + incr += 3; + } break; + case OPCODE_RETURN_TYPED_SCRIPT: { + Variant script = _constants_ptr[_code_ptr[ip + 2]]; + Script *sc = Object::cast_to<Script>(script.operator Object *()); + + text += "return typed script ("; + text += sc->get_path(); + text += ") "; + text += DADDR(1); + + incr += 3; + } break; #define DISASSEMBLE_ITERATE(m_type) \ case OPCODE_ITERATE_##m_type: { \ diff --git a/modules/gdscript/gdscript_function.h b/modules/gdscript/gdscript_function.h index 41080ef371..9fc75b66ce 100644 --- a/modules/gdscript/gdscript_function.h +++ b/modules/gdscript/gdscript_function.h @@ -306,6 +306,10 @@ public: OPCODE_JUMP_IF_NOT, OPCODE_JUMP_TO_DEF_ARGUMENT, OPCODE_RETURN, + OPCODE_RETURN_TYPED_BUILTIN, + OPCODE_RETURN_TYPED_ARRAY, + OPCODE_RETURN_TYPED_NATIVE, + OPCODE_RETURN_TYPED_SCRIPT, OPCODE_ITERATE_BEGIN, OPCODE_ITERATE_BEGIN_INT, OPCODE_ITERATE_BEGIN_FLOAT, diff --git a/modules/gdscript/gdscript_vm.cpp b/modules/gdscript/gdscript_vm.cpp index ffc871bdcb..6b7da4a467 100644 --- a/modules/gdscript/gdscript_vm.cpp +++ b/modules/gdscript/gdscript_vm.cpp @@ -128,7 +128,10 @@ Variant *GDScriptFunction::_get_variant(int p_address, GDScriptInstance *p_insta #ifdef DEBUG_ENABLED static String _get_script_name(const Ref<Script> p_script) { - if (p_script->get_name().is_empty()) { + Ref<GDScript> gdscript = p_script; + if (gdscript.is_valid()) { + return gdscript->get_script_class_name(); + } else if (p_script->get_name().is_empty()) { return p_script->get_path().get_file(); } else { return p_script->get_name(); @@ -293,6 +296,10 @@ String GDScriptFunction::_get_call_error(const Callable::CallError &p_err, const &&OPCODE_JUMP_IF_NOT, \ &&OPCODE_JUMP_TO_DEF_ARGUMENT, \ &&OPCODE_RETURN, \ + &&OPCODE_RETURN_TYPED_BUILTIN, \ + &&OPCODE_RETURN_TYPED_ARRAY, \ + &&OPCODE_RETURN_TYPED_NATIVE, \ + &&OPCODE_RETURN_TYPED_SCRIPT, \ &&OPCODE_ITERATE_BEGIN, \ &&OPCODE_ITERATE_BEGIN_INT, \ &&OPCODE_ITERATE_BEGIN_FLOAT, \ @@ -569,7 +576,7 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a #ifdef DEBUG_ENABLED OPCODE_WHILE(ip < _code_size) { - int last_opcode = _code_ptr[ip]; + int last_opcode = _code_ptr[ip] & INSTR_MASK; #else OPCODE_WHILE(true) { #endif @@ -1113,14 +1120,14 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a #ifdef DEBUG_ENABLED err_text = "Trying to assign value of type '" + Variant::get_type_name(src->get_type()) + "' to a variable of type '" + +"'."; - OPCODE_BREAK; #endif + OPCODE_BREAK; } if (!dst_arr->typed_assign(*src)) { #ifdef DEBUG_ENABLED err_text = "Trying to assign a typed array with an array of different type.'"; - OPCODE_BREAK; #endif + OPCODE_BREAK; } ip += 3; @@ -2143,6 +2150,183 @@ Variant GDScriptFunction::call(GDScriptInstance *p_instance, const Variant **p_a OPCODE_BREAK; } + OPCODE(OPCODE_RETURN_TYPED_BUILTIN) { + CHECK_SPACE(3); + GET_INSTRUCTION_ARG(r, 0); + + Variant::Type ret_type = (Variant::Type)_code_ptr[ip + 2]; + GD_ERR_BREAK(ret_type < 0 || ret_type >= Variant::VARIANT_MAX); + + if (r->get_type() != ret_type) { + if (Variant::can_convert_strict(r->get_type(), ret_type)) { + Callable::CallError ce; + Variant::construct(ret_type, retvalue, const_cast<const Variant **>(&r), 1, ce); + } else { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + Variant::get_type_name(r->get_type()), Variant::get_type_name(ret_type)); +#endif // DEBUG_ENABLED + + // Construct a base type anyway so type constraints are met. + Callable::CallError ce; + Variant::construct(ret_type, retvalue, nullptr, 0, ce); + OPCODE_BREAK; + } + } else { + retvalue = *r; + } +#ifdef DEBUG_ENABLED + exit_ok = true; +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + + OPCODE(OPCODE_RETURN_TYPED_ARRAY) { + CHECK_SPACE(5); + GET_INSTRUCTION_ARG(r, 0); + + GET_INSTRUCTION_ARG(script_type, 1); + Variant::Type builtin_type = (Variant::Type)_code_ptr[ip + 3]; + int native_type_idx = _code_ptr[ip + 4]; + GD_ERR_BREAK(native_type_idx < 0 || native_type_idx >= _global_names_count); + const StringName native_type = _global_names_ptr[native_type_idx]; + + if (r->get_type() != Variant::ARRAY) { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "Array[%s]".)", + Variant::get_type_name(r->get_type()), Variant::get_type_name(builtin_type)); +#endif + OPCODE_BREAK; + } + + Array array; + array.set_typed(builtin_type, native_type, script_type); + +#ifdef DEBUG_ENABLED + bool valid = array.typed_assign(*VariantInternal::get_array(r)); +#else + array.typed_assign(*VariantInternal::get_array(r)); +#endif // DEBUG_ENABLED + + // Assign the return value anyway since we want it to be the valid type. + retvalue = array; + +#ifdef DEBUG_ENABLED + if (!valid) { + err_text = "Trying to return a typed array with an array of different type.'"; + OPCODE_BREAK; + } + + exit_ok = true; +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + + OPCODE(OPCODE_RETURN_TYPED_NATIVE) { + CHECK_SPACE(3); + GET_INSTRUCTION_ARG(r, 0); + + GET_INSTRUCTION_ARG(type, 1); + GDScriptNativeClass *nc = Object::cast_to<GDScriptNativeClass>(type->operator Object *()); + GD_ERR_BREAK(!nc); + + if (r->get_type() != Variant::OBJECT && r->get_type() != Variant::NIL) { + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + Variant::get_type_name(r->get_type()), nc->get_name()); + OPCODE_BREAK; + } + +#ifdef DEBUG_ENABLED + bool freed = false; + Object *ret_obj = r->get_validated_object_with_check(freed); + + if (freed) { + err_text = "Trying to return a previously freed instance."; + OPCODE_BREAK; + } +#else + Object *ret_obj = r->operator Object *(); +#endif // DEBUG_ENABLED + if (ret_obj && !ClassDB::is_parent_class(ret_obj->get_class_name(), nc->get_name())) { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + ret_obj->get_class_name(), nc->get_name()); +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + retvalue = *r; + +#ifdef DEBUG_ENABLED + exit_ok = true; +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + + OPCODE(OPCODE_RETURN_TYPED_SCRIPT) { + CHECK_SPACE(3); + GET_INSTRUCTION_ARG(r, 0); + + GET_INSTRUCTION_ARG(type, 1); + Script *base_type = Object::cast_to<Script>(type->operator Object *()); + GD_ERR_BREAK(!base_type); + + if (r->get_type() != Variant::OBJECT && r->get_type() != Variant::NIL) { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + Variant::get_type_name(r->get_type()), _get_script_name(Ref<Script>(base_type))); +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + +#ifdef DEBUG_ENABLED + bool freed = false; + Object *ret_obj = r->get_validated_object_with_check(freed); + + if (freed) { + err_text = "Trying to return a previously freed instance."; + OPCODE_BREAK; + } +#else + Object *ret_obj = r->operator Object *(); +#endif // DEBUG_ENABLED + + if (ret_obj) { + ScriptInstance *ret_inst = ret_obj->get_script_instance(); + if (!ret_inst) { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + ret_obj->get_class_name(), _get_script_name(Ref<GDScript>(base_type))); +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + + Script *ret_type = ret_obj->get_script_instance()->get_script().ptr(); + bool valid = false; + + while (ret_type) { + if (ret_type == base_type) { + valid = true; + break; + } + ret_type = ret_type->get_base_script().ptr(); + } + + if (!valid) { +#ifdef DEBUG_ENABLED + err_text = vformat(R"(Trying to return value of type "%s" from a function which the return type is "%s".)", + _get_script_name(ret_obj->get_script_instance()->get_script()), _get_script_name(Ref<GDScript>(base_type))); +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + } + retvalue = *r; + +#ifdef DEBUG_ENABLED + exit_ok = true; +#endif // DEBUG_ENABLED + OPCODE_BREAK; + } + OPCODE(OPCODE_ITERATE_BEGIN) { CHECK_SPACE(8); // Space for this and a regular iterate. |