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Don't return reference on copy assignment operators

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We prefer to prevent using chained assignment (`T a = b = c = T();`) as this
can lead to confusing code and subtle bugs.

According to https://en.wikipedia.org/wiki/Assignment_operator_(C%2B%2B), C++
allows any arbitrary return type, so this is standard compliant.

This could be re-assessed if/when we have an actual need for a behavior more
akin to that of the C++ STL, for now this PR simply changes a handful of
cases which were inconsistent with the rest of the codebase (`void` return
type was already the most common case prior to this commit).
This commit is contained in:
Rémi Verschelde
2021-11-30 15:19:26 +01:00
parent 2d118bd8b8
commit 7da392bcc5
28 changed files with 93 additions and 90 deletions
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41
editor/debugger/debug_adapter/debug_adapter_protocol.cpp
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@@ -192,10 +192,12 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::VECTOR2I: {
int id = variable_id++;
Vector2 vec = p_var;
const String type_scalar = Variant::get_type_name(p_var.get_type() == Variant::VECTOR2 ? Variant::FLOAT : Variant::INT);
DAP::Variable x, y;
x.name = "x";
y.name = "y";
x.type = y.type = Variant::get_type_name(p_var.get_type() == Variant::VECTOR2 ? Variant::FLOAT : Variant::INT);
x.type = type_scalar;
y.type = type_scalar;
x.value = rtos(vec.x);
y.value = rtos(vec.y);
@@ -209,12 +211,16 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::RECT2I: {
int id = variable_id++;
Rect2 rect = p_var;
const String type_scalar = Variant::get_type_name(p_var.get_type() == Variant::RECT2 ? Variant::FLOAT : Variant::INT);
DAP::Variable x, y, w, h;
x.name = "x";
y.name = "y";
w.name = "w";
h.name = "h";
x.type = y.type = w.type = h.type = Variant::get_type_name(p_var.get_type() == Variant::RECT2 ? Variant::FLOAT : Variant::INT);
x.type = type_scalar;
y.type = type_scalar;
w.type = type_scalar;
h.type = type_scalar;
x.value = rtos(rect.position.x);
y.value = rtos(rect.position.y);
w.value = rtos(rect.size.x);
@@ -232,11 +238,14 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::VECTOR3I: {
int id = variable_id++;
Vector3 vec = p_var;
const String type_scalar = Variant::get_type_name(p_var.get_type() == Variant::VECTOR3 ? Variant::FLOAT : Variant::INT);
DAP::Variable x, y, z;
x.name = "x";
y.name = "y";
z.name = "z";
x.type = y.type = z.type = Variant::get_type_name(p_var.get_type() == Variant::VECTOR3 ? Variant::FLOAT : Variant::INT);
x.type = type_scalar;
y.type = type_scalar;
z.type = type_scalar;
x.value = rtos(vec.x);
y.value = rtos(vec.y);
z.value = rtos(vec.z);
@@ -251,11 +260,14 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::TRANSFORM2D: {
int id = variable_id++;
Transform2D transform = p_var;
const String type_vec2 = Variant::get_type_name(Variant::VECTOR2);
DAP::Variable x, y, origin;
x.name = "x";
y.name = "y";
origin.name = "origin";
x.type = y.type = origin.type = Variant::get_type_name(Variant::VECTOR2);
x.type = type_vec2;
y.type = type_vec2;
origin.type = type_vec2;
x.value = transform.elements[0];
y.value = transform.elements[1];
origin.value = transform.elements[2];
@@ -291,12 +303,16 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::QUATERNION: {
int id = variable_id++;
Quaternion quat = p_var;
const String type_float = Variant::get_type_name(Variant::FLOAT);
DAP::Variable x, y, z, w;
x.name = "x";
y.name = "y";
z.name = "z";
w.name = "w";
x.type = y.type = z.type = w.type = Variant::get_type_name(Variant::FLOAT);
x.type = type_float;
y.type = type_float;
z.type = type_float;
w.type = type_float;
x.value = rtos(quat.x);
y.value = rtos(quat.y);
z.value = rtos(quat.z);
@@ -313,10 +329,12 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::AABB: {
int id = variable_id++;
AABB aabb = p_var;
const String type_vec3 = Variant::get_type_name(Variant::VECTOR3);
DAP::Variable position, size;
position.name = "position";
size.name = "size";
position.type = size.type = Variant::get_type_name(Variant::VECTOR3);
position.type = type_vec3;
size.type = type_vec3;
position.value = aabb.position;
size.value = aabb.size;
position.variablesReference = parse_variant(aabb.position);
@@ -331,11 +349,14 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::BASIS: {
int id = variable_id++;
Basis basis = p_var;
const String type_vec2 = Variant::get_type_name(Variant::VECTOR2);
DAP::Variable x, y, z;
x.name = "x";
y.name = "y";
z.name = "z";
x.type = y.type = z.type = Variant::get_type_name(Variant::VECTOR2);
x.type = type_vec2;
y.type = type_vec2;
z.type = type_vec2;
x.value = basis.elements[0];
y.value = basis.elements[1];
z.value = basis.elements[2];
@@ -372,12 +393,16 @@ int DebugAdapterProtocol::parse_variant(const Variant &p_var) {
case Variant::COLOR: {
int id = variable_id++;
Color color = p_var;
const String type_float = Variant::get_type_name(Variant::FLOAT);
DAP::Variable r, g, b, a;
r.name = "r";
g.name = "g";
b.name = "b";
a.name = "a";
r.type = g.type = b.type = a.type = Variant::get_type_name(Variant::FLOAT);
r.type = type_float;
g.type = type_float;
b.type = type_float;
a.type = type_float;
r.value = rtos(color.r);
g.value = rtos(color.g);
b.value = rtos(color.b);