diff options
author | Tom Tromey <tom@tromey.com> | 2021-03-08 07:27:57 -0700 |
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committer | Tom Tromey <tom@tromey.com> | 2021-03-08 07:28:24 -0700 |
commit | 292382f47ef08c5ec3292c612f737fe4b312c9f1 (patch) | |
tree | f2d9e9490ac38fb8609578b84036bfc7955574fa /gdb/expop.h | |
parent | 165a813a3abaa1f5993d754765bff2cfa9755995 (diff) |
Introduce unop_cast_type_operation
This adds class unop_cast_type_operation, which implements
UNOP_CAST_TYPE.
gdb/ChangeLog
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class unop_cast_type_operation): New.
* ax-gdb.c (unop_cast_type_operation::do_generate_ax): New
method.
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 abd5f64fda..1d1ce0b664 100644 --- a/gdb/expop.h +++ b/gdb/expop.h @@ -1864,6 +1864,37 @@ protected: override; }; +/* A cast, but the type comes from an expression, not a "struct + type". */ +class unop_cast_type_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 + { + value *val = std::get<0> (m_storage)->evaluate (nullptr, exp, + EVAL_AVOID_SIDE_EFFECTS); + return std::get<1> (m_storage)->evaluate_for_cast (value_type (val), + exp, noside); + } + + enum exp_opcode opcode () const override + { return UNOP_CAST_TYPE; } + +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 */ |