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Make using as a statement an opt-in with #+feature using-stmt

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This commit is contained in:
gingerBill
2025-12-21 11:53:44 +00:00
parent e138e76f21
commit d139c72fc2
9 changed files with 39 additions and 28 deletions
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8
src/check_stmt.cpp
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@@ -2943,10 +2943,12 @@ gb_internal void check_stmt_internal(CheckerContext *ctx, Ast *node, u32 flags)
error(us->token, "Empty 'using' list");
return;
}
if (check_vet_flags(node) & VetFlag_UsingStmt) {
u64 feature_flags = check_feature_flags(ctx, node);
if ((feature_flags & OptInFeatureFlag_UsingStmt) == 0) {
ERROR_BLOCK();
error(node, "'using' as a statement is not allowed when '-vet' or '-vet-using' is applied");
error_line("\t'using' is considered bad practice to use as a statement outside of immediate refactoring\n");
error(node, "'using' has been disallowed as it is considered bad practice to use as a statement outside of immediate refactoring");
error_line("\tIt you do require it for refactoring purposes or legacy code, it can be enabled on a per-file basis with '#+feature using-stmt'\n");
}
for (Ast *expr : us->list) {