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611aa09d99
LOC(X) returns the address of X as an integer: https://gcc.gnu.org/onlinedocs/gfortran/LOC.html Before: (gdb) p LOC(r) No symbol "LOC" in current context. After: (gdb) p LOC(r) $1 = 0xffffdf48 gdb/ChangeLog: 2021-03-09 Felix Willgerodt <felix.willgerodt@intel.com> * f-exp.h (eval_op_f_loc): Declare. (expr::fortran_loc_operation): New typedef. * f-exp.y (exp): Handle UNOP_FORTRAN_LOC after parsing an UNOP_INTRINSIC. (f77_keywords): Add LOC keyword. * f-lang.c (eval_op_f_loc): New function. * std-operator.def (UNOP_FORTRAN_LOC): New operator. gdb/testsuite/ChangeLog: 2020-03-09 Felix Willgerodt <felix.willgerodt@intel.com> * gdb.fortran/intrinsics.exp: Add LOC tests.
279 lines
9.1 KiB
C++
279 lines
9.1 KiB
C++
/* Definitions for Fortran expressions
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Copyright (C) 2020, 2021 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef FORTRAN_EXP_H
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#define FORTRAN_EXP_H
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#include "expop.h"
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extern struct value *eval_op_f_abs (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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extern struct value *eval_op_f_mod (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1, struct value *arg2);
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extern struct value *eval_op_f_ceil (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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extern struct value *eval_op_f_floor (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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extern struct value *eval_op_f_modulo (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1, struct value *arg2);
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extern struct value *eval_op_f_cmplx (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1, struct value *arg2);
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extern struct value *eval_op_f_kind (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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extern struct value *eval_op_f_associated (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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extern struct value *eval_op_f_associated (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1,
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struct value *arg2);
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extern struct value * eval_op_f_allocated (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode op,
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struct value *arg1);
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extern struct value * eval_op_f_loc (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode op,
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struct value *arg1);
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/* Implement the evaluation of UNOP_FORTRAN_RANK. EXPECTED_TYPE, EXP, and
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NOSIDE are as for expression::evaluate (see expression.h). OP will
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always be UNOP_FORTRAN_RANK, and ARG1 is the argument being passed to
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the expression. */
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extern struct value *eval_op_f_rank (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode op,
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struct value *arg1);
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/* Implement expression evaluation for Fortran's SIZE keyword. For
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EXPECT_TYPE, EXP, and NOSIDE see expression::evaluate (in
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expression.h). OP will always for FORTRAN_ARRAY_SIZE. ARG1 is the
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value passed to SIZE if it is only passed a single argument. For the
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two argument form see the overload of this function below. */
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extern struct value *eval_op_f_array_size (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1);
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/* An overload of EVAL_OP_F_ARRAY_SIZE above, this version takes two
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arguments, representing the two values passed to Fortran's SIZE
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keyword. */
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extern struct value *eval_op_f_array_size (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode opcode,
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struct value *arg1,
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struct value *arg2);
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/* Implement the evaluation of Fortran's SHAPE keyword. EXPECTED_TYPE,
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EXP, and NOSIDE are as for expression::evaluate (see expression.h). OP
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will always be UNOP_FORTRAN_SHAPE, and ARG1 is the argument being passed
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to the expression. */
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extern struct value *eval_op_f_array_shape (struct type *expect_type,
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struct expression *exp,
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enum noside noside,
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enum exp_opcode op,
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struct value *arg1);
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namespace expr
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{
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using fortran_abs_operation = unop_operation<UNOP_ABS, eval_op_f_abs>;
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using fortran_ceil_operation = unop_operation<UNOP_FORTRAN_CEILING,
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eval_op_f_ceil>;
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using fortran_floor_operation = unop_operation<UNOP_FORTRAN_FLOOR,
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eval_op_f_floor>;
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using fortran_kind_operation = unop_operation<UNOP_FORTRAN_KIND,
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eval_op_f_kind>;
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using fortran_allocated_operation = unop_operation<UNOP_FORTRAN_ALLOCATED,
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eval_op_f_allocated>;
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using fortran_loc_operation = unop_operation<UNOP_FORTRAN_LOC,
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eval_op_f_loc>;
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using fortran_mod_operation = binop_operation<BINOP_MOD, eval_op_f_mod>;
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using fortran_modulo_operation = binop_operation<BINOP_FORTRAN_MODULO,
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eval_op_f_modulo>;
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using fortran_associated_1arg = unop_operation<FORTRAN_ASSOCIATED,
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eval_op_f_associated>;
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using fortran_associated_2arg = binop_operation<FORTRAN_ASSOCIATED,
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eval_op_f_associated>;
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using fortran_rank_operation = unop_operation<UNOP_FORTRAN_RANK,
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eval_op_f_rank>;
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using fortran_array_size_1arg = unop_operation<FORTRAN_ARRAY_SIZE,
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eval_op_f_array_size>;
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using fortran_array_size_2arg = binop_operation<FORTRAN_ARRAY_SIZE,
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eval_op_f_array_size>;
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using fortran_array_shape_operation = unop_operation<UNOP_FORTRAN_SHAPE,
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eval_op_f_array_shape>;
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/* The Fortran "complex" operation. */
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class fortran_cmplx_operation
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: public tuple_holding_operation<operation_up, operation_up>
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{
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public:
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using tuple_holding_operation::tuple_holding_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 *arg1 = std::get<0> (m_storage)->evaluate (nullptr, exp, noside);
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value *arg2 = std::get<1> (m_storage)->evaluate (value_type (arg1),
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exp, noside);
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return eval_op_f_cmplx (expect_type, exp, noside, BINOP_FORTRAN_CMPLX,
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arg1, arg2);
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}
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enum exp_opcode opcode () const override
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{ return BINOP_FORTRAN_CMPLX; }
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};
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/* OP_RANGE for Fortran. */
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class fortran_range_operation
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: public tuple_holding_operation<enum range_flag, operation_up, operation_up,
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operation_up>
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{
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public:
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using tuple_holding_operation::tuple_holding_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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error (_("ranges not allowed in this context"));
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}
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range_flag get_flags () const
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{
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return std::get<0> (m_storage);
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}
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value *evaluate0 (struct expression *exp, enum noside noside) const
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{
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return std::get<1> (m_storage)->evaluate (nullptr, exp, noside);
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}
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value *evaluate1 (struct expression *exp, enum noside noside) const
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{
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return std::get<2> (m_storage)->evaluate (nullptr, exp, noside);
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}
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value *evaluate2 (struct expression *exp, enum noside noside) const
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{
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return std::get<3> (m_storage)->evaluate (nullptr, exp, noside);
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}
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enum exp_opcode opcode () const override
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{ return OP_RANGE; }
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};
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/* In F77, functions, substring ops and array subscript operations
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cannot be disambiguated at parse time. This operation handles
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both, deciding which do to at evaluation time. */
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class fortran_undetermined
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: public tuple_holding_operation<operation_up, std::vector<operation_up>>
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{
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public:
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using tuple_holding_operation::tuple_holding_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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enum exp_opcode opcode () const override
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{ return OP_F77_UNDETERMINED_ARGLIST; }
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private:
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value *value_subarray (value *array, struct expression *exp,
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enum noside noside);
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};
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/* Single-argument form of Fortran ubound/lbound intrinsics. */
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class fortran_bound_1arg
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: public tuple_holding_operation<exp_opcode, operation_up>
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{
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public:
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using tuple_holding_operation::tuple_holding_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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enum exp_opcode opcode () const override
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{ return std::get<0> (m_storage); }
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};
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/* Two-argument form of Fortran ubound/lbound intrinsics. */
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class fortran_bound_2arg
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: public tuple_holding_operation<exp_opcode, operation_up, operation_up>
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{
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public:
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using tuple_holding_operation::tuple_holding_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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enum exp_opcode opcode () const override
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{ return std::get<0> (m_storage); }
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};
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} /* namespace expr */
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#endif /* FORTRAN_EXP_H */
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