Introduce structop_member_operation and structop_mptr_operation

This adds class structop_member_operation and structop_mptr_operation,
which implement STRUCTOP_MEMBER and STRUCTOP_MPTR.

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

	* expop.h (class structop_member_operation)
	(class structop_mptr_operation): New.
	* eval.c (eval_op_member): No longer static.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent ab0609be83
commit 07f724a8c6
3 changed files with 55 additions and 1 deletions

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@ -1,3 +1,9 @@
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class structop_member_operation)
(class structop_mptr_operation): New.
* eval.c (eval_op_member): No longer static.
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class structop_ptr_operation): New.

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@ -1417,7 +1417,7 @@ eval_op_structop_ptr (struct type *expect_type, struct expression *exp,
/* A helper function for STRUCTOP_MEMBER. */
static struct value *
struct value *
eval_op_member (struct type *expect_type, struct expression *exp,
enum noside noside,
struct value *arg1, struct value *arg2)

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@ -80,6 +80,10 @@ extern struct value *eval_op_structop_ptr (struct type *expect_type,
enum noside noside,
struct value *arg1,
const char *string);
extern struct value *eval_op_member (struct type *expect_type,
struct expression *exp,
enum noside noside,
struct value *arg1, struct value *arg2);
namespace expr
{
@ -887,6 +891,50 @@ protected:
}
};
class structop_member_operation
: public tuple_holding_operation<operation_up, operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override
{
value *lhs
= std::get<0> (m_storage)->evaluate_for_address (exp, noside);
value *rhs
= std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
return eval_op_member (expect_type, exp, noside, lhs, rhs);
}
enum exp_opcode opcode () const override
{ return STRUCTOP_MEMBER; }
};
class structop_mptr_operation
: public tuple_holding_operation<operation_up, operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override
{
value *lhs
= std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
value *rhs
= std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
return eval_op_member (expect_type, exp, noside, lhs, rhs);
}
enum exp_opcode opcode () const override
{ return STRUCTOP_MPTR; }
};
} /* namespace expr */
#endif /* EXPOP_H */