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Allow for constant []typeid

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gingerBill
2025-09-28 21:47:56 +01:00
parent 35a32d41e0
commit 8be18d9a40
3 changed files with 61 additions and 17 deletions
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src/check_decl.cpp
+21
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@@ -1686,7 +1686,28 @@ gb_internal void check_global_variable_decl(CheckerContext *ctx, Entity *e, Ast
check_expr_with_type_hint(ctx, &o, init_expr, e->type);
check_init_variable(ctx, e, &o, str_lit("variable declaration"));
if (e->Variable.is_rodata && o.mode != Addressing_Constant) {
ERROR_BLOCK();
error(o.expr, "Variables declared with @(rodata) must have constant initialization");
Ast *expr = unparen_expr(o.expr);
if (is_type_struct(e->type) && expr && expr->kind == Ast_CompoundLit) {
ast_node(cl, CompoundLit, expr);
for (Ast *elem_ : cl->elems) {
Ast *elem = elem_;
if (elem->kind == Ast_FieldValue) {
elem = elem->FieldValue.value;
}
elem = unparen_expr(elem);
Entity *e = entity_of_node(elem);
if (elem->tav.mode != Addressing_Constant && e == nullptr && elem->kind != Ast_ProcLit) {
Token tok = ast_token(elem);
TokenPos pos = tok.pos;
gbString s = type_to_string(type_of_expr(elem));
error_line("%s Element is not constant, which is required for @(rodata), of type %s\n", token_pos_to_string(pos), s);
gb_string_free(s);
}
}
}
}
check_rtti_type_disallowed(e->token, e->type, "A variable declaration is using a type, %s, which has been disallowed");