diff options
16 files changed, 38 insertions, 35 deletions
diff --git a/doc/classes/ProjectSettings.xml b/doc/classes/ProjectSettings.xml index 67b692a7a0..d4c42e36eb 100644 --- a/doc/classes/ProjectSettings.xml +++ b/doc/classes/ProjectSettings.xml @@ -464,9 +464,6 @@ <member name="debug/gdscript/warnings/unused_variable" type="int" setter="" getter="" default="1"> When set to [code]warn[/code] or [code]error[/code], produces a warning or an error respectively when a local variable is unused. </member> - <member name="debug/gdscript/warnings/void_assignment" type="int" setter="" getter="" default="1"> - When set to [code]warn[/code] or [code]error[/code], produces a warning or an error respectively when assigning the result of a function that returns [code]void[/code] to a variable. - </member> <member name="debug/settings/crash_handler/message" type="String" setter="" getter="" default=""Please include this when reporting the bug to the project developer.""> Message to be displayed before the backtrace when the engine crashes. By default, this message is only used in exported projects due to the editor-only override applied to this setting. </member> diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index fc2e6e94f3..d8fb1b723c 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -1748,12 +1748,6 @@ void GDScriptAnalyzer::resolve_variable(GDScriptParser::VariableNode *p_variable type = p_variable->initializer->get_datatype(); -#ifdef DEBUG_ENABLED - if (p_variable->initializer->type == GDScriptParser::Node::CALL && type.is_hard_type() && type.kind == GDScriptParser::DataType::BUILTIN && type.builtin_type == Variant::NIL) { - parser->push_warning(p_variable->initializer, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_variable->initializer)->function_name); - } -#endif - if (p_variable->infer_datatype) { type.type_source = GDScriptParser::DataType::ANNOTATED_INFERRED; @@ -1843,12 +1837,6 @@ void GDScriptAnalyzer::resolve_constant(GDScriptParser::ConstantNode *p_constant } type = p_constant->initializer->get_datatype(); - -#ifdef DEBUG_ENABLED - if (p_constant->initializer->type == GDScriptParser::Node::CALL && type.is_hard_type() && type.kind == GDScriptParser::DataType::BUILTIN && type.builtin_type == Variant::NIL) { - parser->push_warning(p_constant->initializer, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_constant->initializer)->function_name); - } -#endif } if (p_constant->datatype_specifier != nullptr) { @@ -2333,9 +2321,7 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig } #ifdef DEBUG_ENABLED - if (p_assignment->assigned_value->type == GDScriptParser::Node::CALL && assigned_value_type.is_hard_type() && assigned_value_type.kind == GDScriptParser::DataType::BUILTIN && assigned_value_type.builtin_type == Variant::NIL) { - parser->push_warning(p_assignment->assigned_value, GDScriptWarning::VOID_ASSIGNMENT, static_cast<GDScriptParser::CallNode *>(p_assignment->assigned_value)->function_name); - } else if (assignee_type.is_hard_type() && assignee_type.builtin_type == Variant::INT && assigned_value_type.builtin_type == Variant::FLOAT) { + if (assignee_type.is_hard_type() && assignee_type.builtin_type == Variant::INT && assigned_value_type.builtin_type == Variant::FLOAT) { parser->push_warning(p_assignment->assigned_value, GDScriptWarning::NARROWING_CONVERSION); } #endif @@ -2650,6 +2636,10 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a } else if (GDScriptUtilityFunctions::function_exists(function_name)) { MethodInfo function_info = GDScriptUtilityFunctions::get_function_info(function_name); + if (!p_is_root && function_info.return_val.type == Variant::NIL && ((function_info.return_val.usage & PROPERTY_USAGE_NIL_IS_VARIANT) == 0)) { + push_error(vformat(R"*(Cannot get return value of call to "%s()" because it returns "void".)*", function_name), p_call); + } + if (all_is_constant && GDScriptUtilityFunctions::is_function_constant(function_name)) { // Can call on compilation. Vector<const Variant *> args; @@ -2693,6 +2683,10 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a } else if (Variant::has_utility_function(function_name)) { MethodInfo function_info = info_from_utility_func(function_name); + if (!p_is_root && function_info.return_val.type == Variant::NIL && ((function_info.return_val.usage & PROPERTY_USAGE_NIL_IS_VARIANT) == 0)) { + push_error(vformat(R"*(Cannot get return value of call to "%s()" because it returns "void".)*", function_name), p_call); + } + if (all_is_constant && Variant::get_utility_function_type(function_name) == Variant::UTILITY_FUNC_TYPE_MATH) { // Can call on compilation. Vector<const Variant *> args; @@ -2835,6 +2829,10 @@ void GDScriptAnalyzer::reduce_call(GDScriptParser::CallNode *p_call, bool p_is_a mark_lambda_use_self(); } + if (!p_is_root && return_type.is_hard_type() && return_type.kind == GDScriptParser::DataType::BUILTIN && return_type.builtin_type == Variant::NIL) { + push_error(vformat(R"*(Cannot get return value of call to "%s()" because it returns "void".)*", p_call->function_name), p_call); + } + #ifdef DEBUG_ENABLED if (p_is_root && return_type.kind != GDScriptParser::DataType::UNRESOLVED && return_type.builtin_type != Variant::NIL) { parser->push_warning(p_call, GDScriptWarning::RETURN_VALUE_DISCARDED, p_call->function_name); diff --git a/modules/gdscript/gdscript_warning.cpp b/modules/gdscript/gdscript_warning.cpp index 36bc051643..9ae4bdae56 100644 --- a/modules/gdscript/gdscript_warning.cpp +++ b/modules/gdscript/gdscript_warning.cpp @@ -80,10 +80,6 @@ String GDScriptWarning::get_message() const { case STANDALONE_EXPRESSION: { return "Standalone expression (the line has no effect)."; } break; - case VOID_ASSIGNMENT: { - CHECK_SYMBOLS(1); - return "Assignment operation, but the function '" + symbols[0] + "()' returns void."; - } break; case NARROWING_CONVERSION: { return "Narrowing conversion (float is converted to int and loses precision)."; } break; @@ -202,7 +198,6 @@ String GDScriptWarning::get_name_from_code(Code p_code) { "UNREACHABLE_CODE", "UNREACHABLE_PATTERN", "STANDALONE_EXPRESSION", - "VOID_ASSIGNMENT", "NARROWING_CONVERSION", "INCOMPATIBLE_TERNARY", "UNUSED_SIGNAL", diff --git a/modules/gdscript/gdscript_warning.h b/modules/gdscript/gdscript_warning.h index 7e4e975510..df6ee71425 100644 --- a/modules/gdscript/gdscript_warning.h +++ b/modules/gdscript/gdscript_warning.h @@ -57,7 +57,6 @@ public: UNREACHABLE_CODE, // Code after a return statement. UNREACHABLE_PATTERN, // Pattern in a match statement after a catch all pattern (wildcard or bind). STANDALONE_EXPRESSION, // Expression not assigned to a variable. - VOID_ASSIGNMENT, // Function returns void but it's assigned to a variable. NARROWING_CONVERSION, // Float value into an integer slot, precision is lost. INCOMPATIBLE_TERNARY, // Possible values of a ternary if are not mutually compatible. UNUSED_SIGNAL, // Signal is defined but never emitted. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.gd b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.gd new file mode 100644 index 0000000000..a3450966cc --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.gd @@ -0,0 +1,3 @@ +func test(): + var builtin := [] + print(builtin.reverse()) # Built-in type method. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.out b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.out new file mode 100644 index 0000000000..225c85e9c7 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_builtin_method.out @@ -0,0 +1,2 @@ +GDTEST_ANALYZER_ERROR +Cannot get return value of call to "reverse()" because it returns "void". diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.gd b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.gd new file mode 100644 index 0000000000..2162a181ac --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.gd @@ -0,0 +1,5 @@ +func foo() -> void: + pass + +func test(): + print(foo()) # Custom method. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.out b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.out new file mode 100644 index 0000000000..2b1a607883 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_custom_method.out @@ -0,0 +1,2 @@ +GDTEST_ANALYZER_ERROR +Cannot get return value of call to "foo()" because it returns "void". diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.gd b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.gd new file mode 100644 index 0000000000..f3443d985e --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.gd @@ -0,0 +1,2 @@ +func test(): + print(print_debug()) # GDScript utility function. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.out b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.out new file mode 100644 index 0000000000..502c18ab9d --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_gd_utility.out @@ -0,0 +1,2 @@ +GDTEST_ANALYZER_ERROR +Cannot get return value of call to "print_debug()" because it returns "void". diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.gd b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.gd new file mode 100644 index 0000000000..b8e81b160a --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.gd @@ -0,0 +1,3 @@ +func test(): + var obj := Node.new() + print(obj.free()) # Native type method. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.out b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.out new file mode 100644 index 0000000000..88be39345b --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_native_method.out @@ -0,0 +1,2 @@ +GDTEST_ANALYZER_ERROR +Cannot get return value of call to "free()" because it returns "void". diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.gd b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.gd new file mode 100644 index 0000000000..8eabed4271 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.gd @@ -0,0 +1,2 @@ +func test(): + print(print()) # Built-in utility function. diff --git a/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.out b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.out new file mode 100644 index 0000000000..ebf43186be --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/errors/use_value_of_void_function_utility.out @@ -0,0 +1,2 @@ +GDTEST_ANALYZER_ERROR +Cannot get return value of call to "print()" because it returns "void". diff --git a/modules/gdscript/tests/scripts/parser/warnings/void_assignment.gd b/modules/gdscript/tests/scripts/parser/warnings/void_assignment.gd deleted file mode 100644 index b4a42b3e3d..0000000000 --- a/modules/gdscript/tests/scripts/parser/warnings/void_assignment.gd +++ /dev/null @@ -1,6 +0,0 @@ -func i_return_void() -> void: - return - - -func test(): - var __ = i_return_void() diff --git a/modules/gdscript/tests/scripts/parser/warnings/void_assignment.out b/modules/gdscript/tests/scripts/parser/warnings/void_assignment.out deleted file mode 100644 index 84c9598f9a..0000000000 --- a/modules/gdscript/tests/scripts/parser/warnings/void_assignment.out +++ /dev/null @@ -1,5 +0,0 @@ -GDTEST_OK ->> WARNING ->> Line: 6 ->> VOID_ASSIGNMENT ->> Assignment operation, but the function 'i_return_void()' returns void. |