[PATCH 091/203] Introduce objc_selector_operation

Tom Tromey
2021-01-01T21:48:30Z

This adds class objc_selector_operation, which implements
OP_OBJC_SELECTOR.

gdb/ChangeLog
2021-01-01 Tom Tromey <tom@tromey.com>

* eval.c (eval_op_objc_selector): No longer static.
* c-exp.h (class objc_selector_operation): New.
---
gdb/ChangeLog | 5 +++++
gdb/c-exp.h | 25 +++++++++++++++++++++++++
gdb/eval.c | 2 +-
3 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/gdb/c-exp.h b/gdb/c-exp.h
index a7b11b5a25d..dcb4557b2d5 100644
--- a/gdb/c-exp.h
+++ b/gdb/c-exp.h
@@ -23,6 +23,10 @@
#include "expop.h"
#include "objc-lang.h"

+extern struct value *eval_op_objc_selector (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside,
+ const char *sel);
namespace expr
{

@@ -63,6 +67,27 @@ class objc_nsstring_operation
{ return OP_OBJC_NSSTRING; }
};

+class objc_selector_operation
+ : public tuple_holding_operation<std::string>
+{
+public:
+
+ using tuple_holding_operation::tuple_holding_operation;
+
+ value *evaluate (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside) override
+ {
+ if (noside == EVAL_SKIP)
+ return eval_skip_value (exp);
+ return eval_op_objc_selector (expect_type, exp, noside,
+ std::get<0> (m_storage).c_str ());
+ }
+
+ enum exp_opcode opcode () const override
+ { return OP_OBJC_SELECTOR; }
+};
+
}/* namespace expr */

#endif /* C_EXP_H */
diff --git a/gdb/eval.c b/gdb/eval.c
index 0b709ce17a2..217e37b8530 100644
--- a/gdb/eval.c
+++ b/gdb/eval.c
@@ -1285,7 +1285,7 @@ eval_op_string (struct type *expect_type, struct expression *exp,
return value_string (string, len, type);
}

-static struct value *
+struct value *
eval_op_objc_selector (struct type *expect_type, struct expression *exp,
enum noside noside,
const char *sel)
--
2.26.2