[thirdparty/binutils-gdb.git] / gdb / f-exp.h

/* Definitions for Fortran 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 FORTRAN_EXP_H
#define FORTRAN_EXP_H

#include "expop.h"

extern struct value *eval_op_f_abs (struct type *expect_type,
				    struct expression *exp,
				    enum noside noside,
				    enum exp_opcode opcode,
				    struct value *arg1);
extern struct value *eval_op_f_mod (struct type *expect_type,
				    struct expression *exp,
				    enum noside noside,
				    enum exp_opcode opcode,
				    struct value *arg1, struct value *arg2);
extern struct value *eval_op_f_ceil (struct type *expect_type,
				     struct expression *exp,
				     enum noside noside,
				     enum exp_opcode opcode,
				     struct value *arg1);
extern struct value *eval_op_f_floor (struct type *expect_type,
				      struct expression *exp,
				      enum noside noside,
				      enum exp_opcode opcode,
				      struct value *arg1);
extern struct value *eval_op_f_modulo (struct type *expect_type,
				       struct expression *exp,
				       enum noside noside,
				       enum exp_opcode opcode,
				       struct value *arg1, struct value *arg2);
extern struct value *eval_op_f_cmplx (struct type *expect_type,
				      struct expression *exp,
				      enum noside noside,
				      enum exp_opcode opcode,
				      struct value *arg1, struct value *arg2);
extern struct value *eval_op_f_kind (struct type *expect_type,
				     struct expression *exp,
				     enum noside noside,
				     enum exp_opcode opcode,
				     struct value *arg1);
extern struct value *eval_op_f_associated (struct type *expect_type,
					   struct expression *exp,
					   enum noside noside,
					   enum exp_opcode opcode,
					   struct value *arg1);
extern struct value *eval_op_f_associated (struct type *expect_type,
					   struct expression *exp,
					   enum noside noside,
					   enum exp_opcode opcode,
					   struct value *arg1,
					   struct value *arg2);

namespace expr
{

using fortran_abs_operation = unop_operation<UNOP_ABS, eval_op_f_abs>;
using fortran_ceil_operation = unop_operation<UNOP_FORTRAN_CEILING,
					      eval_op_f_ceil>;
using fortran_floor_operation = unop_operation<UNOP_FORTRAN_FLOOR,
					       eval_op_f_floor>;
using fortran_kind_operation = unop_operation<UNOP_FORTRAN_KIND,
					      eval_op_f_kind>;

using fortran_mod_operation = binop_operation<BINOP_MOD, eval_op_f_mod>;
using fortran_modulo_operation = binop_operation<BINOP_FORTRAN_MODULO,
						 eval_op_f_modulo>;
using fortran_associated_1arg = unop_operation<FORTRAN_ASSOCIATED,
					       eval_op_f_associated>;
using fortran_associated_2arg = binop_operation<FORTRAN_ASSOCIATED,
						eval_op_f_associated>;

/* The Fortran "complex" operation.  */
class fortran_cmplx_operation
  : public tuple_holding_operation<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
  {
    value *arg1 = std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
    value *arg2 = std::get<1> (m_storage)->evaluate (value_type (arg1),
						     exp, noside);
    return eval_op_f_cmplx (expect_type, exp, noside, BINOP_FORTRAN_CMPLX,
			    arg1, arg2);
  }

  enum exp_opcode opcode () const override
  { return BINOP_FORTRAN_CMPLX; }
};

/* OP_RANGE for Fortran.  */
class fortran_range_operation
  : public tuple_holding_operation<enum range_flag, 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
  {
    error (_("ranges not allowed in this context"));
  }

  range_flag get_flags () const
  {
    return std::get<0> (m_storage);
  }

  value *evaluate0 (struct expression *exp, enum noside noside) const
  {
    return std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
  }

  value *evaluate1 (struct expression *exp, enum noside noside) const
  {
    return std::get<2> (m_storage)->evaluate (nullptr, exp, noside);
  }

  value *evaluate2 (struct expression *exp, enum noside noside) const
  {
    return std::get<3> (m_storage)->evaluate (nullptr, exp, noside);
  }

  enum exp_opcode opcode () const override
  { return OP_RANGE; }
};

/* In F77, functions, substring ops and array subscript operations
   cannot be disambiguated at parse time.  This operation handles
   both, deciding which do to at evaluation time.  */
class fortran_undetermined
  : public tuple_holding_operation<operation_up, std::vector<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 OP_F77_UNDETERMINED_ARGLIST; }

private:

  value *value_subarray (value *array, struct expression *exp,
			 enum noside noside);
};

/* Single-argument form of Fortran ubound/lbound intrinsics.  */
class fortran_bound_1arg
  : public tuple_holding_operation<exp_opcode, 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); }
};

/* Two-argument form of Fortran ubound/lbound intrinsics.  */
class fortran_bound_2arg
  : public tuple_holding_operation<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 /* FORTRAN_EXP_H */
Commit	Line	Data
9dcd3e29 TT	1	/* Definitions for Fortran expressions
	2
	3	Copyright (C) 2020 Free Software Foundation, Inc.
	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#ifndef FORTRAN_EXP_H
	21	#define FORTRAN_EXP_H
	22
	23	#include "expop.h"
	24
	25	extern struct value eval_op_f_abs (struct type expect_type,
	26	struct expression *exp,
	27	enum noside noside,
	28	enum exp_opcode opcode,
	29	struct value *arg1);
	30	extern struct value eval_op_f_mod (struct type expect_type,
	31	struct expression *exp,
	32	enum noside noside,
	33	enum exp_opcode opcode,
	34	struct value arg1, struct value arg2);
	35	extern struct value eval_op_f_ceil (struct type expect_type,
	36	struct expression *exp,
	37	enum noside noside,
	38	enum exp_opcode opcode,
	39	struct value *arg1);
	40	extern struct value eval_op_f_floor (struct type expect_type,
	41	struct expression *exp,
	42	enum noside noside,
	43	enum exp_opcode opcode,
	44	struct value *arg1);
	45	extern struct value eval_op_f_modulo (struct type expect_type,
	46	struct expression *exp,
	47	enum noside noside,
	48	enum exp_opcode opcode,
	49	struct value arg1, struct value arg2);
	50	extern struct value eval_op_f_cmplx (struct type expect_type,
	51	struct expression *exp,
	52	enum noside noside,
	53	enum exp_opcode opcode,
	54	struct value arg1, struct value arg2);
	55	extern struct value eval_op_f_kind (struct type expect_type,
	56	struct expression *exp,
	57	enum noside noside,
	58	enum exp_opcode opcode,
	59	struct value *arg1);
eb4c9271 TT	60	extern struct value eval_op_f_associated (struct type expect_type,
	61	struct expression *exp,
	62	enum noside noside,
	63	enum exp_opcode opcode,
	64	struct value *arg1);
	65	extern struct value eval_op_f_associated (struct type expect_type,
	66	struct expression *exp,
	67	enum noside noside,
	68	enum exp_opcode opcode,
	69	struct value *arg1,
	70	struct value *arg2);
9dcd3e29 TT	71
	72	namespace expr
	73	{
	74
	75	using fortran_abs_operation = unop_operation<UNOP_ABS, eval_op_f_abs>;
	76	using fortran_ceil_operation = unop_operation<UNOP_FORTRAN_CEILING,
	77	eval_op_f_ceil>;
	78	using fortran_floor_operation = unop_operation<UNOP_FORTRAN_FLOOR,
	79	eval_op_f_floor>;
	80	using fortran_kind_operation = unop_operation<UNOP_FORTRAN_KIND,
	81	eval_op_f_kind>;
	82
	83	using fortran_mod_operation = binop_operation<BINOP_MOD, eval_op_f_mod>;
	84	using fortran_modulo_operation = binop_operation<BINOP_FORTRAN_MODULO,
	85	eval_op_f_modulo>;
eb4c9271 TT	86	using fortran_associated_1arg = unop_operation<FORTRAN_ASSOCIATED,
	87	eval_op_f_associated>;
	88	using fortran_associated_2arg = binop_operation<FORTRAN_ASSOCIATED,
	89	eval_op_f_associated>;
9dcd3e29 TT	90
	91	/* The Fortran "complex" operation. */
	92	class fortran_cmplx_operation
	93	: public tuple_holding_operation<operation_up, operation_up>
	94	{
	95	public:
	96
	97	using tuple_holding_operation::tuple_holding_operation;
	98
	99	value evaluate (struct type expect_type,
	100	struct expression *exp,
	101	enum noside noside) override
	102	{
	103	value *arg1 = std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
	104	value *arg2 = std::get<1> (m_storage)->evaluate (value_type (arg1),
	105	exp, noside);
	106	return eval_op_f_cmplx (expect_type, exp, noside, BINOP_FORTRAN_CMPLX,
	107	arg1, arg2);
	108	}
	109
	110	enum exp_opcode opcode () const override
	111	{ return BINOP_FORTRAN_CMPLX; }
	112	};
	113
2f98abe1 TT	114	/* OP_RANGE for Fortran. */
	115	class fortran_range_operation
	116	: public tuple_holding_operation<enum range_flag, operation_up, operation_up,
	117	operation_up>
	118	{
	119	public:
	120
	121	using tuple_holding_operation::tuple_holding_operation;
	122
	123	value evaluate (struct type expect_type,
	124	struct expression *exp,
	125	enum noside noside) override
	126	{
	127	error (_("ranges not allowed in this context"));
	128	}
	129
	130	range_flag get_flags () const
	131	{
	132	return std::get<0> (m_storage);
	133	}
	134
	135	value evaluate0 (struct expression exp, enum noside noside) const
	136	{
	137	return std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
	138	}
	139
	140	value evaluate1 (struct expression exp, enum noside noside) const
	141	{
	142	return std::get<2> (m_storage)->evaluate (nullptr, exp, noside);
	143	}
	144
	145	value evaluate2 (struct expression exp, enum noside noside) const
	146	{
	147	return std::get<3> (m_storage)->evaluate (nullptr, exp, noside);
	148	}
	149
	150	enum exp_opcode opcode () const override
	151	{ return OP_RANGE; }
	152	};
	153
	154	/* In F77, functions, substring ops and array subscript operations
	155	cannot be disambiguated at parse time. This operation handles
	156	both, deciding which do to at evaluation time. */
	157	class fortran_undetermined
	158	: public tuple_holding_operation<operation_up, std::vector<operation_up>>
	159	{
	160	public:
	161
	162	using tuple_holding_operation::tuple_holding_operation;
	163
	164	value evaluate (struct type expect_type,
	165	struct expression *exp,
	166	enum noside noside) override;
	167
	168	enum exp_opcode opcode () const override
	169	{ return OP_F77_UNDETERMINED_ARGLIST; }
	170
	171	private:
	172
	173	value value_subarray (value array, struct expression *exp,
	174	enum noside noside);
	175	};
	176
58a76c72 TT	177	/* Single-argument form of Fortran ubound/lbound intrinsics. */
	178	class fortran_bound_1arg
	179	: public tuple_holding_operation<exp_opcode, operation_up>
	180	{
	181	public:
	182
	183	using tuple_holding_operation::tuple_holding_operation;
	184
	185	value evaluate (struct type expect_type,
	186	struct expression *exp,
	187	enum noside noside) override;
	188
	189	enum exp_opcode opcode () const override
	190	{ return std::get<0> (m_storage); }
	191	};
	192
	193	/* Two-argument form of Fortran ubound/lbound intrinsics. */
	194	class fortran_bound_2arg
	195	: public tuple_holding_operation<exp_opcode, operation_up, operation_up>
	196	{
	197	public:
	198
	199	using tuple_holding_operation::tuple_holding_operation;
	200
	201	value evaluate (struct type expect_type,
	202	struct expression *exp,
	203	enum noside noside) override;
	204
	205	enum exp_opcode opcode () const override
	206	{ return std::get<0> (m_storage); }
	207	};
	208
9dcd3e29 TT	209	} /* namespace expr */
	210
	211	#endif /* FORTRAN_EXP_H */