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Introduce ada_atr_val_operation

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This adds class ada_atr_val_operation, which implements OP_ATR_VAL.

gdb/ChangeLog
2021-03-08  Tom Tromey  <tom@tromey.com>

	* ada-lang.c (ada_val_atr): No longer static.
	(ada_atr_val_operation::evaluate): New method.
	* ada-exp.h (class ada_atr_val_operation): New.
This commit is contained in:
Tom Tromey
2021-03-08 07:27:57 -07:00
parent 7631cf6cc8
commit 9e99f48f27
3 changed files with 35 additions and 1 deletions
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6
gdb/ChangeLog
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@@ -1,3 +1,9 @@
2021-03-08 Tom Tromey <tom@tromey.com>
* ada-lang.c (ada_val_atr): No longer static.
(ada_atr_val_operation::evaluate): New method.
* ada-exp.h (class ada_atr_val_operation): New.
2021-03-08 Tom Tromey <tom@tromey.com> 2021-03-08 Tom Tromey <tom@tromey.com>
* ada-lang.c (ada_pos_atr): No longer static. * ada-lang.c (ada_pos_atr): No longer static.

19
gdb/ada-exp.h
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@@ -69,6 +69,9 @@ extern struct value *ada_pos_atr (struct type *expect_type,
struct expression *exp, struct expression *exp,
enum noside noside, enum exp_opcode op, enum noside noside, enum exp_opcode op,
struct value *arg); struct value *arg);
extern struct value *ada_val_atr (enum noside noside, struct type *type,
struct value *arg);
namespace expr namespace expr
{ {
@@ -334,6 +337,22 @@ protected:
using operation::do_generate_ax; using operation::do_generate_ax;
}; };
/* Implement the Ada 'val attribute. */
class ada_atr_val_operation
: public tuple_holding_operation<struct type *, operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return OP_ATR_VAL; }
};
} /* namespace expr */ } /* namespace expr */
#endif /* ADA_EXP_H */ #endif /* ADA_EXP_H */

11
gdb/ada-lang.c
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@@ -8892,7 +8892,7 @@ val_atr (struct type *type, LONGEST val)
return value_from_longest (type, val); return value_from_longest (type, val);
} }
static struct value * struct value *
ada_val_atr (enum noside noside, struct type *type, struct value *arg) ada_val_atr (enum noside noside, struct type *type, struct value *arg)
{ {
if (noside == EVAL_AVOID_SIDE_EFFECTS) if (noside == EVAL_AVOID_SIDE_EFFECTS)
@@ -10694,6 +10694,15 @@ ada_var_value_operation::evaluate (struct type *expect_type,
return ada_to_fixed_value (arg1); return ada_to_fixed_value (arg1);
} }
value *
ada_atr_val_operation::evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside)
{
value *arg = std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
return ada_val_atr (noside, std::get<0> (m_storage), arg);
}
} }
/* Implement the evaluate_exp routine in the exp_descriptor structure /* Implement the evaluate_exp routine in the exp_descriptor structure