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GDScript: unsafe arithmetic assignment bug fix

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Fix: #41051
This commit is contained in:
Thakee Nathees 2020-08-06 11:12:26 +05:30
parent ec678c5e94
commit 38c7d080e8
1 changed files with 18 additions and 16 deletions
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34
modules/gdscript/gdscript_analyzer.cpp
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@ -1406,23 +1406,25 @@ void GDScriptAnalyzer::reduce_assignment(GDScriptParser::AssignmentNode *p_assig
break;
}
bool compatible = true;
GDScriptParser::DataType op_type = p_assignment->assigned_value->get_datatype();
if (vop != Variant::OP_EQUAL) {
op_type = get_operation_type(vop, p_assignment->assignee->get_datatype(), p_assignment->assigned_value->get_datatype(), compatible);
}
if (compatible) {
compatible = is_type_compatible(p_assignment->assignee->get_datatype(), op_type, true);
if (!compatible) {
if (p_assignment->assignee->get_datatype().is_hard_type()) {
push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", p_assignment->assigned_value->get_datatype().to_string(), p_assignment->assignee->get_datatype().to_string()), p_assignment->assigned_value);
} else {
// TODO: Warning in this case.
}
if (!p_assignment->assignee->get_datatype().is_variant() && !p_assignment->assigned_value->get_datatype().is_variant()) {
bool compatible = true;
GDScriptParser::DataType op_type = p_assignment->assigned_value->get_datatype();
if (vop != Variant::OP_EQUAL) {
op_type = get_operation_type(vop, p_assignment->assignee->get_datatype(), p_assignment->assigned_value->get_datatype(), compatible);
}
if (compatible) {
compatible = is_type_compatible(p_assignment->assignee->get_datatype(), op_type, true);
if (!compatible) {
if (p_assignment->assignee->get_datatype().is_hard_type()) {
push_error(vformat(R"(Cannot assign a value of type "%s" to a target of type "%s".)", p_assignment->assigned_value->get_datatype().to_string(), p_assignment->assignee->get_datatype().to_string()), p_assignment->assigned_value);
} else {
// TODO: Warning in this case.
}
}
} else {
push_error(vformat(R"(Invalid operands "%s" and "%s" for assignment operator.)", p_assignment->assignee->get_datatype().to_string(), p_assignment->assigned_value->get_datatype().to_string()), p_assignment);
}
} else {
push_error(vformat(R"(Invalid operands "%s" and "%s" for assignment operator.)", p_assignment->assignee->get_datatype().to_string(), p_assignment->assigned_value->get_datatype().to_string()), p_assignment);
}
if (p_assignment->assignee->get_datatype().has_no_type() || p_assignment->assigned_value->get_datatype().is_variant()) {