diff options
Diffstat (limited to 'gdb/eval.c')
| -rw-r--r-- | gdb/eval.c | 39 |
1 files changed, 39 insertions, 0 deletions
@@ -2900,6 +2900,45 @@ evaluate_subexp_standard (struct type *expect_type, else error (_("Attempt to use a type name as an expression")); + case OP_TYPEOF: + case OP_DECLTYPE: + if (noside == EVAL_SKIP) + { + evaluate_subexp (NULL_TYPE, exp, pos, EVAL_SKIP); + goto nosideret; + } + else if (noside == EVAL_AVOID_SIDE_EFFECTS) + { + enum exp_opcode sub_op = exp->elts[*pos].opcode; + struct value *result; + + result = evaluate_subexp (NULL_TYPE, exp, pos, + EVAL_AVOID_SIDE_EFFECTS); + + /* 'decltype' has special semantics for lvalues. */ + if (op == OP_DECLTYPE + && (sub_op == BINOP_SUBSCRIPT + || sub_op == STRUCTOP_MEMBER + || sub_op == STRUCTOP_MPTR + || sub_op == UNOP_IND + || sub_op == STRUCTOP_STRUCT + || sub_op == STRUCTOP_PTR + || sub_op == OP_SCOPE)) + { + struct type *type = value_type (result); + + if (TYPE_CODE (check_typedef (type)) != TYPE_CODE_REF) + { + type = lookup_reference_type (type); + result = allocate_value (type); + } + } + + return result; + } + else + error (_("Attempt to use a type as an expression")); + default: /* Removing this case and compiling with gcc -Wall reveals that a lot of cases are hitting this case. Some of these should |