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Introduce internalvar_operation

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This adds class internalvar_operation, which implements
OP_INTERNALVAR.

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

	* expop.h (class internalvar_operation): New.
	* ax-gdb.c (internalvar_operation::do_generate_ax): New method.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent e6985c5e45
commit e6e01e16c5
3 changed files with 62 additions and 0 deletions
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32
gdb/expop.h
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@ -649,6 +649,38 @@ public:
{ return true; }
};
class internalvar_operation
: public tuple_holding_operation<internalvar *>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override
{
return value_of_internalvar (exp->gdbarch,
std::get<0> (m_storage));
}
internalvar *get_internalvar () const
{
return std::get<0> (m_storage);
}
enum exp_opcode opcode () const override
{ return OP_INTERNALVAR; }
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 */