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GDScript: Make using return of void function an error

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Remove the `VOID_ASSIGNMENT` warning since those cases will be errors
now.
This commit is contained in:
George Marques 2022-12-30 11:57:25 -03:00
parent 0c15844551
commit bc739a4687
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GPG key ID: 046BD46A3201E43D
16 changed files with 38 additions and 35 deletions
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28
modules/gdscript/gdscript_analyzer.cpp
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@ -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);