[PATCH 084/203] Introduce bool_operation

Tom Tromey
2021-01-01T21:48:24Z

This adds class bool_operation, which implements OP_BOOL.

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

* expop.h (class bool_operation): New.
---
gdb/ChangeLog | 4 ++++
gdb/expop.h | 22 ++++++++++++++++++++++
2 files changed, 26 insertions(+)

diff --git a/gdb/expop.h b/gdb/expop.h
index 32b57a0fff7..2c2f76d1da1 100644
--- a/gdb/expop.h
+++ b/gdb/expop.h
@@ -616,6 +616,28 @@ class register_operation
override;
};

+class bool_operation
+ : public tuple_holding_operation<bool>
+{
+public:
+
+ using tuple_holding_operation::tuple_holding_operation;
+
+ value *evaluate (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside) override
+ {
+ struct type *type = language_bool_type (exp->language_defn, exp->gdbarch);
+ return value_from_longest (type, std::get<0> (m_storage));
+ }
+
+ enum exp_opcode opcode () const override
+ { return OP_BOOL; }
+
+ bool constant_p () const override
+ { return true; }
+};
+
} /* namespace expr */

#endif /* EXPOP_H */
--
2.26.2