remove temporary M7 ownership overlay

fec/src/own_m7.c

@@ -1,56 +0,0 @@
-/* M7 extension layer for compiler A.  Keep the M6 implementation intact and
-   replace only the two entry points whose semantics grow for wrapper types. */
-#define fe_own_is_copy_type fe_own_is_copy_type_m6
-#define fe_own_mark_consumed fe_own_mark_consumed_m6
-#include "own.c"
-#undef fe_own_is_copy_type
-#undef fe_own_mark_consumed
-
-static int m7_replace_unwrap(FeNode *expr)
-{
-    FeNode *call;
-    FeNode *member;
-    if (!expr || expr->kind != FE_N_MEMBER || !expr->text ||
-        strcmp(expr->text,".?") != 0)
-        return 0;
-    call=expr->a;
-    if (!call || call->kind != FE_N_CALL || !call->a ||
-        call->a->kind != FE_N_MEMBER)
-        return 0;
-    member=call->a;
-    return member->a && member->a->kind==FE_N_IDENT && member->a->text &&
-           strcmp(member->a->text,"mem")==0 && member->b && member->b->text &&
-           strcmp(member->b->text,"replace")==0;
-}
-
-int fe_own_is_copy_type(FeType *type)
-{
-    if (!type) return 1;
-    if (type->kind==FE_TYPE_OPTIONAL)
-        return fe_own_is_copy_type(type->elem);
-    if (type->kind==FE_TYPE_ERROR_UNION)
-        return fe_own_is_copy_type(type->error_value);
-    return fe_own_is_copy_type_m6(type);
-}
-
-void fe_own_mark_consumed(FeDiags *diags, int *state, FeNode *decl,
-                          FeNode *expr, FeType *type, int in_defer)
-{
-    if (!expr || !type || fe_own_is_copy_type(type)) return;
-    if (expr->kind == FE_N_INDEX && type->kind == FE_TYPE_SLICE &&
-        (expr->c || !expr->b))
-        return;
-    if ((expr->kind == FE_N_MEMBER || expr->kind == FE_N_INDEX) &&
-        !m7_replace_unwrap(expr)) {
-        fe_diag_error(diags, expr->loc,
-            "cannot move a non-Copy value out of a projection; use mem.replace");
-        return;
-    }
-    if (expr->kind != FE_N_IDENT || !state) return;
-    if (in_defer) {
-        if (decl) decl->flags |= FE_OWN_NODE_DEFER_CAPTURE;
-        return;
-    }
-    *state = FE_OWN_MOVED;
-    expr->flags |= FE_OWN_NODE_CONSUMED;
-}