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/* Definitions for Ada expressions
Copyright (C) 2020 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef ADA_EXP_H
#define ADA_EXP_H
#include "expop.h"
extern struct value *ada_unop_neg (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1);
extern struct value *ada_atr_tag (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1);
extern struct value *ada_atr_size (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1);
extern struct value *ada_abs (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1);
extern struct value *ada_unop_in_range (struct type *expect_type,
struct expression *exp,
enum noside noside, enum exp_opcode op,
struct value *arg1, struct type *type);
namespace expr
{
/* In Ada, some generic operations must be wrapped with a handler that
handles some Ada-specific type conversions. */
class ada_wrapped_operation
: public tuple_holding_operation<operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return std::get<0> (m_storage)->opcode (); }
};
/* An Ada string constant. */
class ada_string_operation
: public string_operation
{
public:
using string_operation::string_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
};
/* The Ada TYPE'(EXP) construct. */
class ada_qual_operation
: public tuple_holding_operation<operation_up, struct type *>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return UNOP_QUAL; }
};
/* Ternary in-range operator. */
class ada_ternop_range_operation
: public tuple_holding_operation<operation_up, operation_up, operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return TERNOP_IN_RANGE; }
};
using ada_neg_operation = unop_operation<UNOP_NEG, ada_unop_neg>;
using ada_atr_tag_operation = unop_operation<OP_ATR_TAG, ada_atr_tag>;
using ada_atr_size_operation = unop_operation<OP_ATR_SIZE, ada_atr_size>;
using ada_abs_operation = unop_operation<UNOP_ABS, ada_abs>;
/* The in-range operation, given a type. */
class ada_unop_range_operation
: public tuple_holding_operation<operation_up, struct type *>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override
{
value *val = std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
return ada_unop_in_range (expect_type, exp, noside, UNOP_IN_RANGE,
val, std::get<1> (m_storage));
}
enum exp_opcode opcode () const override
{ return UNOP_IN_RANGE; }
};
/* The Ada + and - operators. */
class ada_binop_addsub_operation
: public tuple_holding_operation<enum exp_opcode, operation_up, operation_up>
{
public:
using tuple_holding_operation::tuple_holding_operation;
value *evaluate (struct type *expect_type,
struct expression *exp,
enum noside noside) override;
enum exp_opcode opcode () const override
{ return std::get<0> (m_storage); }
};
} /* namespace expr */
#endif /* ADA_EXP_H */
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