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authorTom Tromey <tom@tromey.com>2021-03-08 07:27:57 -0700
committerTom Tromey <tom@tromey.com>2021-03-08 07:28:22 -0700
commit14aff815df1efbbc573df75b7fc65017e9399c84 (patch)
tree951721757086aaeb65f51f802ebe4b64b7d1248b /gdb/expop.h
parent929f3aa7425dde2626bdf5b23277aee62ec75129 (diff)
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Introduce unop_addr_operation
This adds class unop_addr_operation, which implements UNOP_ADDR. gdb/ChangeLog 2021-03-08 Tom Tromey <tom@tromey.com> * expop.h (class unop_addr_operation): New. * ax-gdb.c (gen_expr_unop) <case UNOP_ADDR>: New.
Diffstat (limited to 'gdb/expop.h')
-rw-r--r--gdb/expop.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/gdb/expop.h b/gdb/expop.h
index 804f516..a09be96 100644
--- a/gdb/expop.h
+++ b/gdb/expop.h
@@ -1546,6 +1546,42 @@ public:
{ return OP_TYPEID; }
};
+/* Implement the address-of operation. */
+class unop_addr_operation
+ : public maybe_constant_operation<operation_up>
+{
+public:
+
+ using maybe_constant_operation::maybe_constant_operation;
+
+ value *evaluate (struct type *expect_type,
+ struct expression *exp,
+ enum noside noside) override
+ {
+ /* C++: check for and handle pointer to members. */
+ if (noside == EVAL_SKIP)
+ return eval_skip_value (exp);
+ else
+ return std::get<0> (m_storage)->evaluate_for_address (exp, noside);
+ }
+
+ enum exp_opcode opcode () const override
+ { return UNOP_ADDR; }
+
+protected:
+
+ void do_generate_ax (struct expression *exp,
+ struct agent_expr *ax,
+ struct axs_value *value,
+ struct type *cast_type)
+ override
+ {
+ gen_expr_unop (exp, UNOP_ADDR,
+ std::get<0> (this->m_storage).get (),
+ ax, value);
+ }
+};
+
} /* namespace expr */
#endif /* EXPOP_H */