diff options
Diffstat (limited to 'src/ast.c')
| -rw-r--r-- | src/ast.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -123,6 +123,8 @@ struct ast *gen_ast(enum ast_kind kind, n->s = s; n->v = v; n->d = d; + n->or = NULL; + n->ol = NULL; n->loc = loc; return n; } @@ -139,6 +141,7 @@ struct type *tgen_type(enum type_kind kind, n->k = kind; n->t0 = t0; n->id = id; + n->or = NULL; n->loc = loc; return n; } @@ -378,6 +381,7 @@ struct type *clone_type(struct type *type) if (type->t0) new->t0 = clone_type_list(type->t0); + new->or = type->or; new->group = type->group; new->loc = type->loc; return new; @@ -752,3 +756,11 @@ void opt_group(struct ast *a, struct ast *b) a->or = b; b->ol = a; } + +void own_type_group(struct type *owner, struct type *sub) +{ + /* sub does not get a reference to owner so if owner is moved, only the + * sub is marked as used. sub is still allowed to be passed around + * freely */ + owner->or = sub; +} |