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[GDScript] Fix incorrect compound assignment

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Reverts in-place compound assignments

Added test to ensure correctness
This commit is contained in:
Ninni Pipping 2023-04-10 12:03:18 +02:00
parent 4dcf2c5431
commit e5365da03c
3 changed files with 38 additions and 11 deletions
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12
modules/gdscript/gdscript_compiler.cpp
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@ -1165,18 +1165,8 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code
bool has_operation = assignment->operation != GDScriptParser::AssignmentNode::OP_NONE;
if (has_operation) {
// Perform operation.
GDScriptCodeGenerator::Address og_value = _parse_expression(codegen, r_error, assignment->assignee);
if (!has_setter && !assignment->use_conversion_assign) {
// If there's nothing special about the assignment, perform the assignment as part of the operator
gen->write_binary_operator(target, assignment->variant_op, og_value, assigned_value);
if (assigned_value.mode == GDScriptCodeGenerator::Address::TEMPORARY) {
gen->pop_temporary(); // Pop assigned value if not done before.
}
return GDScriptCodeGenerator::Address();
}
GDScriptCodeGenerator::Address op_result = codegen.add_temporary(_gdtype_from_datatype(assignment->get_datatype(), codegen.script));
GDScriptCodeGenerator::Address og_value = _parse_expression(codegen, r_error, assignment->assignee);
gen->write_binary_operator(op_result, assignment->variant_op, og_value, assigned_value);
to_assign = op_result;

31
modules/gdscript/tests/scripts/runtime/features/assign_operator.gd Normal file
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@ -0,0 +1,31 @@
# https://github.com/godotengine/godot/issues/75832
@warning_ignore("narrowing_conversion")
func test():
var hf := 2.0
var sf = 2.0
var i := 2
i *= hf
i *= sf
i *= 2.0
print(i)
var v2 := Vector2i(1, 2)
v2 *= hf
v2 *= sf
v2 *= 2.0
print(v2)
var v3 := Vector3i(1, 2, 3)
v3 *= hf
v3 *= sf
v3 *= 2.0
print(v3)
var v4 := Vector4i(1, 2, 3, 4)
v4 *= hf
v4 *= sf
v4 *= 2.0
print(v4)
var arr := [1, 2, 3]
arr += [4, 5]
print(arr)

6
modules/gdscript/tests/scripts/runtime/features/assign_operator.out Normal file
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@ -0,0 +1,6 @@
GDTEST_OK
16
(8, 16)
(8, 16, 24)
(8, 16, 24, 32)
[1, 2, 3, 4, 5]