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-rw-r--r--modules/gdscript/gdscript_compiler.cpp10
-rw-r--r--modules/gdscript/gdscript_compiler.h1
-rw-r--r--modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.gd25
-rw-r--r--modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.out17
4 files changed, 50 insertions, 3 deletions
diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp
index 24241b712b..ea93e1ebfc 100644
--- a/modules/gdscript/gdscript_compiler.cpp
+++ b/modules/gdscript/gdscript_compiler.cpp
@@ -43,7 +43,7 @@ bool GDScriptCompiler::_is_class_member_property(CodeGen &codegen, const StringN
return false;
}
- if (codegen.parameters.has(p_name) || codegen.locals.has(p_name)) {
+ if (_is_local_or_parameter(codegen, p_name)) {
return false; //shadowed
}
@@ -65,6 +65,10 @@ bool GDScriptCompiler::_is_class_member_property(GDScript *owner, const StringNa
return ClassDB::has_property(nc->get_name(), p_name);
}
+bool GDScriptCompiler::_is_local_or_parameter(CodeGen &codegen, const StringName &p_name) {
+ return codegen.parameters.has(p_name) || codegen.locals.has(p_name);
+}
+
void GDScriptCompiler::_set_error(const String &p_error, const GDScriptParser::Node *p_node) {
if (!error.is_empty()) {
return;
@@ -920,7 +924,7 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
StringName var_name = identifier->name;
if (_is_class_member_property(codegen, var_name)) {
assign_class_member_property = var_name;
- } else if (!codegen.locals.has(var_name) && codegen.script->member_indices.has(var_name)) {
+ } else if (!_is_local_or_parameter(codegen, var_name) && codegen.script->member_indices.has(var_name)) {
is_member_property = true;
member_property_setter_function = codegen.script->member_indices[var_name].setter;
member_property_has_setter = member_property_setter_function != StringName();
@@ -1131,7 +1135,7 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
bool is_in_setter = false;
StringName setter_function;
StringName var_name = static_cast<const GDScriptParser::IdentifierNode *>(assignment->assignee)->name;
- if (!codegen.locals.has(var_name) && codegen.script->member_indices.has(var_name)) {
+ if (!_is_local_or_parameter(codegen, var_name) && codegen.script->member_indices.has(var_name)) {
is_member = true;
setter_function = codegen.script->member_indices[var_name].setter;
has_setter = setter_function != StringName();
diff --git a/modules/gdscript/gdscript_compiler.h b/modules/gdscript/gdscript_compiler.h
index 45ca4fe342..cba585e5a5 100644
--- a/modules/gdscript/gdscript_compiler.h
+++ b/modules/gdscript/gdscript_compiler.h
@@ -115,6 +115,7 @@ class GDScriptCompiler {
bool _is_class_member_property(CodeGen &codegen, const StringName &p_name);
bool _is_class_member_property(GDScript *owner, const StringName &p_name);
+ bool _is_local_or_parameter(CodeGen &codegen, const StringName &p_name);
void _set_error(const String &p_error, const GDScriptParser::Node *p_node);
diff --git a/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.gd b/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.gd
new file mode 100644
index 0000000000..f33ba7dffd
--- /dev/null
+++ b/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.gd
@@ -0,0 +1,25 @@
+# https://github.com/godotengine/godot/pull/69620
+
+var a: int = 1
+
+func shadow_regular_assignment(a: Variant, b: Variant) -> void:
+ print(a)
+ print(self.a)
+ a = b
+ print(a)
+ print(self.a)
+
+
+var v := Vector2(0.0, 0.0)
+
+func shadow_subscript_assignment(v: Vector2, x: float) -> void:
+ print(v)
+ print(self.v)
+ v.x += x
+ print(v)
+ print(self.v)
+
+
+func test():
+ shadow_regular_assignment('a', 'b')
+ shadow_subscript_assignment(Vector2(1.0, 1.0), 5.0)
diff --git a/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.out b/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.out
new file mode 100644
index 0000000000..5b981bc8bb
--- /dev/null
+++ b/modules/gdscript/tests/scripts/runtime/features/parameter_shadowing.out
@@ -0,0 +1,17 @@
+GDTEST_OK
+>> WARNING
+>> Line: 5
+>> SHADOWED_VARIABLE
+>> The local function parameter "a" is shadowing an already-declared variable at line 3.
+>> WARNING
+>> Line: 15
+>> SHADOWED_VARIABLE
+>> The local function parameter "v" is shadowing an already-declared variable at line 13.
+a
+1
+b
+1
+(1, 1)
+(0, 0)
+(6, 1)
+(0, 0)