GDScript: Call setter on simple setter chain without getter

Fixes a bug where a member variable was being set directly before
calling the setter.
This commit is contained in:
George Marques 2024-07-09 12:45:07 -03:00
parent 82cedc83c9
commit 87c90a573c
No known key found for this signature in database
GPG Key ID: 046BD46A3201E43D
3 changed files with 30 additions and 0 deletions

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@ -1064,12 +1064,22 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
// Get at (potential) root stack pos, so it can be returned.
GDScriptCodeGenerator::Address base = _parse_expression(codegen, r_error, chain.back()->get()->base);
if (r_error) {
return GDScriptCodeGenerator::Address();
}
GDScriptCodeGenerator::Address prev_base = base;
// In case the base has a setter, don't use the address directly, as we want to call that setter.
// So use a temp value instead and call the setter at the end.
GDScriptCodeGenerator::Address base_temp;
if (base.mode == GDScriptCodeGenerator::Address::MEMBER && member_property_has_setter && !member_property_is_in_setter) {
base_temp = codegen.add_temporary(base.type);
gen->write_assign(base_temp, base);
prev_base = base_temp;
}
struct ChainInfo {
bool is_named = false;
GDScriptCodeGenerator::Address base;
@ -1218,6 +1228,9 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
gen->write_end_jump_if_shared();
}
}
} else if (base_temp.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
// Save the temp value back to the base by calling its setter.
gen->write_call(GDScriptCodeGenerator::Address(), base, member_property_setter_function, { assigned });
}
if (assigned.mode == GDScriptCodeGenerator::Address::TEMPORARY) {

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@ -0,0 +1,13 @@
# https://github.com/godotengine/godot/issues/85952
var vec: Vector2 = Vector2.ZERO:
set(new_vec):
prints("setting vec from", vec, "to", new_vec)
if new_vec == Vector2(1, 1):
vec = new_vec
func test():
vec.x = 2
vec.y = 2
prints("vec is", vec)

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@ -0,0 +1,4 @@
GDTEST_OK
setting vec from (0, 0) to (2, 0)
setting vec from (0, 0) to (0, 2)
vec is (0, 0)