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-rw-r--r--modules/gdscript/gdscript_analyzer.cpp35
-rw-r--r--modules/gdscript/tests/scripts/analyzer/features/return_conversions.gd34
-rw-r--r--modules/gdscript/tests/scripts/analyzer/features/return_conversions.out2
3 files changed, 51 insertions, 20 deletions
diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp
index 8c3521c530..293197d445 100644
--- a/modules/gdscript/gdscript_analyzer.cpp
+++ b/modules/gdscript/gdscript_analyzer.cpp
@@ -1958,11 +1958,9 @@ void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) {
GDScriptParser::DataType result;
GDScriptParser::DataType expected_type;
- bool has_expected_type = false;
-
- if (parser->current_function != nullptr) {
+ bool has_expected_type = parser->current_function != nullptr;
+ if (has_expected_type) {
expected_type = parser->current_function->get_datatype();
- has_expected_type = true;
}
if (p_return->return_value != nullptr) {
@@ -1985,24 +1983,21 @@ void GDScriptAnalyzer::resolve_return(GDScriptParser::ReturnNode *p_return) {
result.is_constant = true;
}
- if (has_expected_type) {
- expected_type.is_meta_type = false;
- if (expected_type.is_hard_type()) {
- if (!is_type_compatible(expected_type, result)) {
- // Try other way. Okay but not safe.
- if (!is_type_compatible(result, expected_type)) {
- push_error(vformat(R"(Cannot return value of type "%s" because the function return type is "%s".)", result.to_string(), expected_type.to_string()), p_return);
- } else {
- // TODO: Add warning.
- mark_node_unsafe(p_return);
- }
+ if (has_expected_type && !expected_type.is_variant()) {
+ if (result.is_variant() || !result.is_hard_type()) {
+ mark_node_unsafe(p_return);
+ if (!is_type_compatible(expected_type, result, true, p_return)) {
+ downgrade_node_type_source(p_return);
+ }
+ } else if (!is_type_compatible(expected_type, result, true, p_return)) {
+ mark_node_unsafe(p_return);
+ if (!is_type_compatible(result, expected_type)) {
+ push_error(vformat(R"(Cannot return value of type "%s" because the function return type is "%s".)", result.to_string(), expected_type.to_string()), p_return);
+ }
#ifdef DEBUG_ENABLED
- } else if (expected_type.builtin_type == Variant::INT && result.builtin_type == Variant::FLOAT) {
- parser->push_warning(p_return, GDScriptWarning::NARROWING_CONVERSION);
- } else if (result.is_variant() && !expected_type.is_variant()) {
- mark_node_unsafe(p_return);
+ } else if (expected_type.builtin_type == Variant::INT && result.builtin_type == Variant::FLOAT) {
+ parser->push_warning(p_return, GDScriptWarning::NARROWING_CONVERSION);
#endif
- }
}
}
diff --git a/modules/gdscript/tests/scripts/analyzer/features/return_conversions.gd b/modules/gdscript/tests/scripts/analyzer/features/return_conversions.gd
new file mode 100644
index 0000000000..0b1576e66e
--- /dev/null
+++ b/modules/gdscript/tests/scripts/analyzer/features/return_conversions.gd
@@ -0,0 +1,34 @@
+func convert_literal_int_to_float() -> float: return 76
+func convert_arg_int_to_float(arg: int) -> float: return arg
+func convert_var_int_to_float() -> float: var number := 59; return number
+
+func convert_literal_array_to_packed() -> PackedStringArray: return ['46']
+func convert_arg_array_to_packed(arg: Array) -> PackedStringArray: return arg
+func convert_var_array_to_packed() -> PackedStringArray: var array := ['79']; return array
+
+func test():
+ var converted_literal_int := convert_literal_int_to_float()
+ assert(typeof(converted_literal_int) == TYPE_FLOAT)
+ assert(converted_literal_int == 76.0)
+
+ var converted_arg_int := convert_arg_int_to_float(36)
+ assert(typeof(converted_arg_int) == TYPE_FLOAT)
+ assert(converted_arg_int == 36.0)
+
+ var converted_var_int := convert_var_int_to_float()
+ assert(typeof(converted_var_int) == TYPE_FLOAT)
+ assert(converted_var_int == 59.0)
+
+ var converted_literal_array := convert_literal_array_to_packed()
+ assert(typeof(converted_literal_array) == TYPE_PACKED_STRING_ARRAY)
+ assert(str(converted_literal_array) == '["46"]')
+
+ var converted_arg_array := convert_arg_array_to_packed(['91'])
+ assert(typeof(converted_arg_array) == TYPE_PACKED_STRING_ARRAY)
+ assert(str(converted_arg_array) == '["91"]')
+
+ var converted_var_array := convert_var_array_to_packed()
+ assert(typeof(converted_var_array) == TYPE_PACKED_STRING_ARRAY)
+ assert(str(converted_var_array) == '["79"]')
+
+ print('ok')
diff --git a/modules/gdscript/tests/scripts/analyzer/features/return_conversions.out b/modules/gdscript/tests/scripts/analyzer/features/return_conversions.out
new file mode 100644
index 0000000000..1b47ed10dc
--- /dev/null
+++ b/modules/gdscript/tests/scripts/analyzer/features/return_conversions.out
@@ -0,0 +1,2 @@
+GDTEST_OK
+ok