diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/expop.h | 25 |
2 files changed, 29 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 6496f98..89d3e6f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2021-03-08 Tom Tromey <tom@tromey.com> + * expop.h (class typeof_operation): New. + +2021-03-08 Tom Tromey <tom@tromey.com> + * expop.h (class type_operation): New. * eval.c (eval_op_type): No longer static. diff --git a/gdb/expop.h b/gdb/expop.h index 8b7bfbe..da74359 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -1445,6 +1445,31 @@ public: { return true; } }; +/* Implement the "typeof" operation. */ +class typeof_operation + : public maybe_constant_operation<operation_up> +{ +public: + + using maybe_constant_operation::maybe_constant_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + if (noside == EVAL_SKIP) + return eval_skip_value (exp); + else if (noside == EVAL_AVOID_SIDE_EFFECTS) + return std::get<0> (m_storage)->evaluate (nullptr, exp, + EVAL_AVOID_SIDE_EFFECTS); + else + error (_("Attempt to use a type as an expression")); + } + + enum exp_opcode opcode () const override + { return OP_TYPEOF; } +}; + } /* namespace expr */ #endif /* EXPOP_H */ |