diff options
Diffstat (limited to 'gdb/expop.h')
-rw-r--r-- | gdb/expop.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gdb/expop.h b/gdb/expop.h index 4bf32f5..2fa5b2f 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -1208,6 +1208,37 @@ protected: override; }; +/* C-style comma operator. */ +class comma_operation + : public maybe_constant_operation<operation_up, operation_up> +{ +public: + + using maybe_constant_operation::maybe_constant_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + /* The left-hand-side is only evaluated for side effects, so don't + bother in other modes. */ + if (noside == EVAL_NORMAL) + std::get<0> (m_storage)->evaluate (nullptr, exp, noside); + return std::get<1> (m_storage)->evaluate (nullptr, exp, noside); + } + + enum exp_opcode opcode () const override + { return BINOP_COMMA; } + +protected: + + void do_generate_ax (struct expression *exp, + struct agent_expr *ax, + struct axs_value *value, + struct type *cast_type) + override; +}; + } /* namespace expr */ #endif /* EXPOP_H */ |