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Introduce multi_subscript_operation

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This adds class multi_subscript_operation, which implements
MULTI_SUBSCRIPT.

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

	* expop.h (class multi_subscript_operation): New.
	* eval.c (multi_subscript_operation::evaluate): New method.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent 085734dd95
commit 821e72d775
3 changed files with 34 additions and 0 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class multi_subscript_operation): New.
* eval.c (multi_subscript_operation::evaluate): New method.
2021-03-08 Tom Tromey <tom@tromey.com>
* eval.c (objc_msgcall_operation::evaluate): New method.

13
gdb/eval.c
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@ -2472,8 +2472,21 @@ objc_msgcall_operation::evaluate (struct type *expect_type,
args.size () + 3));
}
value *
multi_subscript_operation::evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside)
{
value *arg1 = std::get<0> (m_storage)->evaluate_with_coercion (exp, noside);
std::vector<operation_up> &values = std::get<1> (m_storage);
value **argvec = XALLOCAVEC (struct value *, values.size ());
for (int ix = 0; ix < values.size (); ++ix)
argvec[ix] = values[ix]->evaluate_with_coercion (exp, noside);
return eval_multi_subscript (expect_type, exp, noside, arg1,
gdb::make_array_view (argvec, values.size ()));
}
}
struct value *
evaluate_subexp_standard (struct type *expect_type,

16
gdb/expop.h
View File

@ -1966,6 +1966,22 @@ using dynamic_cast_operation = cxx_cast_operation<UNOP_DYNAMIC_CAST,
using reinterpret_cast_operation = cxx_cast_operation<UNOP_REINTERPRET_CAST,
value_reinterpret_cast>;
/* Multi-dimensional subscripting. */
class multi_subscript_operation
: public tuple_holding_operation<operation_up, std::vector<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 MULTI_SUBSCRIPT; }
};
} /* namespace expr */
#endif /* EXPOP_H */