1 /* Definitions for Fortran expressions
3 Copyright (C) 2020 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
25 extern struct value
*eval_op_f_abs (struct type
*expect_type
,
26 struct expression
*exp
,
28 enum exp_opcode opcode
,
30 extern struct value
*eval_op_f_mod (struct type
*expect_type
,
31 struct expression
*exp
,
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
,
38 enum exp_opcode opcode
,
40 extern struct value
*eval_op_f_floor (struct type
*expect_type
,
41 struct expression
*exp
,
43 enum exp_opcode opcode
,
45 extern struct value
*eval_op_f_modulo (struct type
*expect_type
,
46 struct expression
*exp
,
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
,
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
,
58 enum exp_opcode opcode
,
60 extern struct value
*eval_op_f_associated (struct type
*expect_type
,
61 struct expression
*exp
,
63 enum exp_opcode opcode
,
65 extern struct value
*eval_op_f_associated (struct type
*expect_type
,
66 struct expression
*exp
,
68 enum exp_opcode opcode
,
75 using fortran_abs_operation
= unop_operation
<UNOP_ABS
, eval_op_f_abs
>;
76 using fortran_ceil_operation
= unop_operation
<UNOP_FORTRAN_CEILING
,
78 using fortran_floor_operation
= unop_operation
<UNOP_FORTRAN_FLOOR
,
80 using fortran_kind_operation
= unop_operation
<UNOP_FORTRAN_KIND
,
83 using fortran_mod_operation
= binop_operation
<BINOP_MOD
, eval_op_f_mod
>;
84 using fortran_modulo_operation
= binop_operation
<BINOP_FORTRAN_MODULO
,
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
>;
91 /* The Fortran "complex" operation. */
92 class fortran_cmplx_operation
93 : public tuple_holding_operation
<operation_up
, operation_up
>
97 using tuple_holding_operation::tuple_holding_operation
;
99 value
*evaluate (struct type
*expect_type
,
100 struct expression
*exp
,
101 enum noside noside
) override
103 value
*arg1
= std::get
<0> (m_storage
)->evaluate (nullptr, exp
, noside
);
104 value
*arg2
= std::get
<1> (m_storage
)->evaluate (value_type (arg1
),
106 return eval_op_f_cmplx (expect_type
, exp
, noside
, BINOP_FORTRAN_CMPLX
,
110 enum exp_opcode
opcode () const override
111 { return BINOP_FORTRAN_CMPLX
; }
114 /* OP_RANGE for Fortran. */
115 class fortran_range_operation
116 : public tuple_holding_operation
<enum range_flag
, operation_up
, operation_up
,
121 using tuple_holding_operation::tuple_holding_operation
;
123 value
*evaluate (struct type
*expect_type
,
124 struct expression
*exp
,
125 enum noside noside
) override
127 error (_("ranges not allowed in this context"));
130 range_flag
get_flags () const
132 return std::get
<0> (m_storage
);
135 value
*evaluate0 (struct expression
*exp
, enum noside noside
) const
137 return std::get
<1> (m_storage
)->evaluate (nullptr, exp
, noside
);
140 value
*evaluate1 (struct expression
*exp
, enum noside noside
) const
142 return std::get
<2> (m_storage
)->evaluate (nullptr, exp
, noside
);
145 value
*evaluate2 (struct expression
*exp
, enum noside noside
) const
147 return std::get
<3> (m_storage
)->evaluate (nullptr, exp
, noside
);
150 enum exp_opcode
opcode () const override
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
>>
162 using tuple_holding_operation::tuple_holding_operation
;
164 value
*evaluate (struct type
*expect_type
,
165 struct expression
*exp
,
166 enum noside noside
) override
;
168 enum exp_opcode
opcode () const override
169 { return OP_F77_UNDETERMINED_ARGLIST
; }
173 value
*value_subarray (value
*array
, struct expression
*exp
,
177 /* Single-argument form of Fortran ubound/lbound intrinsics. */
178 class fortran_bound_1arg
179 : public tuple_holding_operation
<exp_opcode
, operation_up
>
183 using tuple_holding_operation::tuple_holding_operation
;
185 value
*evaluate (struct type
*expect_type
,
186 struct expression
*exp
,
187 enum noside noside
) override
;
189 enum exp_opcode
opcode () const override
190 { return std::get
<0> (m_storage
); }
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
>
199 using tuple_holding_operation::tuple_holding_operation
;
201 value
*evaluate (struct type
*expect_type
,
202 struct expression
*exp
,
203 enum noside noside
) override
;
205 enum exp_opcode
opcode () const override
206 { return std::get
<0> (m_storage
); }
209 } /* namespace expr */
211 #endif /* FORTRAN_EXP_H */