Introduce unop_alignof_operation
This adds class unop_alignof_operation, which implements UNOP_ALIGNOF. gdb/ChangeLog 2021-03-08 Tom Tromey <tom@tromey.com> * expop.h (class unop_alignof_operation): New. * eval.c (eval_op_alignof): No longer static.
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@ -1,3 +1,8 @@
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2021-03-08 Tom Tromey <tom@tromey.com>
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* expop.h (class unop_alignof_operation): New.
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* eval.c (eval_op_alignof): No longer static.
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2021-03-08 Tom Tromey <tom@tromey.com>
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* expop.h (class unop_sizeof_operation): New.
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@ -1881,7 +1881,7 @@ eval_op_ind (struct type *expect_type, struct expression *exp,
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/* A helper function for UNOP_ALIGNOF. */
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static struct value *
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struct value *
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eval_op_alignof (struct type *expect_type, struct expression *exp,
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enum noside noside,
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struct value *arg1)
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25
gdb/expop.h
25
gdb/expop.h
@ -189,6 +189,10 @@ extern struct value *eval_op_ind (struct type *expect_type,
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extern struct value *eval_op_type (struct type *expect_type,
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struct expression *exp,
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enum noside noside, struct type *type);
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extern struct value *eval_op_alignof (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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struct value *arg1);
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namespace expr
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{
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@ -1611,6 +1615,27 @@ protected:
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override;
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};
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/* Implement 'alignof'. */
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class unop_alignof_operation
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: public maybe_constant_operation<operation_up>
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{
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public:
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using maybe_constant_operation::maybe_constant_operation;
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value *evaluate (struct type *expect_type,
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struct expression *exp,
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enum noside noside) override
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{
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value *val = std::get<0> (m_storage)->evaluate (nullptr, exp,
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EVAL_AVOID_SIDE_EFFECTS);
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return eval_op_alignof (expect_type, exp, noside, val);
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}
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enum exp_opcode opcode () const override
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{ return UNOP_ALIGNOF; }
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};
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} /* namespace expr */
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#endif /* EXPOP_H */
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