From ae4bb61e199c90c71e3482169233a0f40f446484 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Mon, 8 Mar 2021 07:27:57 -0700 Subject: Introduce unop_alignof_operation This adds class unop_alignof_operation, which implements UNOP_ALIGNOF. gdb/ChangeLog 2021-03-08 Tom Tromey * expop.h (class unop_alignof_operation): New. * eval.c (eval_op_alignof): No longer static. --- gdb/expop.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'gdb/expop.h') diff --git a/gdb/expop.h b/gdb/expop.h index 8cb7281..87e52ac 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -189,6 +189,10 @@ extern struct value *eval_op_ind (struct type *expect_type, extern struct value *eval_op_type (struct type *expect_type, struct expression *exp, enum noside noside, struct type *type); +extern struct value *eval_op_alignof (struct type *expect_type, + struct expression *exp, + enum noside noside, + struct value *arg1); namespace expr { @@ -1611,6 +1615,27 @@ protected: override; }; +/* Implement 'alignof'. */ +class unop_alignof_operation + : public maybe_constant_operation +{ +public: + + using maybe_constant_operation::maybe_constant_operation; + + value *evaluate (struct type *expect_type, + struct expression *exp, + enum noside noside) override + { + value *val = std::get<0> (m_storage)->evaluate (nullptr, exp, + EVAL_AVOID_SIDE_EFFECTS); + return eval_op_alignof (expect_type, exp, noside, val); + } + + enum exp_opcode opcode () const override + { return UNOP_ALIGNOF; } +}; + } /* namespace expr */ #endif /* EXPOP_H */ -- cgit v1.1