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restrict new relaxed named arguments to zscript >= 4.13

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This commit is contained in:
Ricardo Luís Vaz Silva 2024-06-01 11:24:12 -03:00
parent 20cf8befbf
commit 461c2f77b7
1 changed files with 33 additions and 13 deletions
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22
src/common/scripting/backend/codegen.cpp
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@ -9546,6 +9546,8 @@ FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
unsigned implicit = Function->GetImplicitArgs(); unsigned implicit = Function->GetImplicitArgs();
bool relaxed_named_arugments = (ctx.Version >= MakeVersion(4, 13));
if (!CheckAccessibility(ctx.Version)) if (!CheckAccessibility(ctx.Version))
{ {
delete this; delete this;
@ -9613,16 +9615,29 @@ FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
} }
else else
{ {
unsigned j;
FName name = static_cast<FxNamedNode *>(ArgList[i])->name; FName name = static_cast<FxNamedNode *>(ArgList[i])->name;
if(argnames[index + implicit] != name)
{
unsigned j;
for (j = 0; j < count; j++) for (j = 0; j < count; j++)
{ {
if (argnames[j + implicit] == name) if (argnames[j + implicit] == name)
{ {
if(!relaxed_named_arugments && !(argflags[j + implicit] & VARF_Optional))
{
ScriptPosition.Message(MSG_ERROR, "Cannot use a named argument here - not all required arguments have been passed.");
}
else if(!relaxed_named_arugments && j < index)
{
ScriptPosition.Message(MSG_ERROR, "Named argument %s comes before current position in argument list.", name.GetChars());
}
// i don't think this needs any further optimization? // i don't think this needs any further optimization?
// O(N^2) complexity technically but N isn't likely to be large, // O(N^2) complexity technically but N isn't likely to be large,
// and the check itself is just an int comparison, so it should be fine // and the check itself is just an int comparison, so it should be fine
index = j; index = j;
break; break;
} }
} }
@ -9634,6 +9649,11 @@ FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
return nullptr; return nullptr;
} }
} }
else if(!relaxed_named_arugments && !(argflags[index + implicit] & VARF_Optional))
{
ScriptPosition.Message(MSG_ERROR, "Cannot use a named argument here - not all required arguments have been passed.");
}
}
} }
if(index >= count) if(index >= count)