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Introduce ternop_slice_operation

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This adds class ternop_slice_operation, which implements TERNOP_SLICE.

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

	* expop.h (class ternop_slice_operation): New.
	* eval.c (eval_op_ternop): No longer static.
This commit is contained in:
Tom Tromey 2021-03-08 07:27:57 -07:00
parent b50db09ff9
commit 1594e0bb3d
3 changed files with 35 additions and 1 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class ternop_slice_operation): New.
* eval.c (eval_op_ternop): No longer static.
2021-03-08 Tom Tromey <tom@tromey.com> 2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class string_operation): New. * expop.h (class string_operation): New.

2
gdb/eval.c
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@ -1327,7 +1327,7 @@ eval_op_concat (struct type *expect_type, struct expression *exp,
/* A helper function for TERNOP_SLICE. */ /* A helper function for TERNOP_SLICE. */
static struct value * struct value *
eval_op_ternop (struct type *expect_type, struct expression *exp, eval_op_ternop (struct type *expect_type, struct expression *exp,
enum noside noside, enum noside noside,
struct value *array, struct value *low, struct value *upper) struct value *array, struct value *low, struct value *upper)

29
gdb/expop.h
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@ -65,6 +65,11 @@ extern struct value *eval_op_string (struct type *expect_type,
struct expression *exp, struct expression *exp,
enum noside noside, int len, enum noside noside, int len,
const char *string); const char *string);
extern struct value *eval_op_ternop (struct type *expect_type,
struct expression *exp,
enum noside noside,
struct value *array, struct value *low,
struct value *upper);
namespace expr namespace expr
{ {
@ -705,6 +710,30 @@ public:
{ return OP_STRING; } { return OP_STRING; }
}; };
class ternop_slice_operation
: public maybe_constant_operation<operation_up, 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
{
struct value *array
= std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
struct value *low
= std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
struct value *upper
= std::get<2> (m_storage)->evaluate (nullptr, exp, noside);
return eval_op_ternop (expect_type, exp, noside, array, low, upper);
}
enum exp_opcode opcode () const override
{ return TERNOP_SLICE; }
};
} /* namespace expr */ } /* namespace expr */
#endif /* EXPOP_H */ #endif /* EXPOP_H */