1/* Header for code constant translation functions
2 Copyright (C) 2002-2023 Free Software Foundation, Inc.
3 Contributed by Paul Brook
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it under
8the terms of the GNU General Public License as published by the Free
9Software Foundation; either version 3, or (at your option) any later
10version.
11
12GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13WARRANTY; without even the implied warranty of MERCHANTABILITY or
14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21/* Converts between INT_CST and GMP integer representations. */
22tree gfc_conv_mpz_to_tree (mpz_t, int);
23tree gfc_conv_mpz_to_tree_type (mpz_t, const tree);
24void gfc_conv_tree_to_mpz (mpz_t, tree);
25
26/* Converts between REAL_CST and MPFR floating-point representations. */
27tree gfc_conv_mpfr_to_tree (mpfr_t, int, int);
28void gfc_conv_tree_to_mpfr (mpfr_ptr, tree);
29
30/* Build a tree containing a real infinity (or HUGE if infinities are
31 not supported for the given type. */
32tree gfc_build_inf_or_huge (tree, int);
33
34/* Build a tree containing a NaN for the given type, with significand
35 specified by second argument. */
36tree gfc_build_nan (tree, const char *);
37
38/* Build a tree for a constant. Must be an EXPR_CONSTANT gfc_expr.
39 For CHARACTER literal constants, the caller still has to set the
40 string length as a separate operation. */
41tree gfc_conv_constant_to_tree (gfc_expr *);
42
43/* Like gfc_conv_noncharacter_constant, but works on simplified expression
44 structures. Also sets the length of CHARACTER strings in the gfc_se. */
45void gfc_conv_constant (gfc_se *, gfc_expr *);
46
47tree gfc_build_string_const (size_t, const char *);
48tree gfc_build_wide_string_const (int, size_t, const gfc_char_t *);
49tree gfc_build_cstring_const (const char *);
50tree gfc_build_localized_cstring_const (const char *);
51
52/* Translate a string constant for a static initializer. */
53tree gfc_conv_string_init (tree, gfc_expr *);
54
55/* Create a tree node for the string length if it is constant. */
56void gfc_conv_const_charlen (gfc_charlen *);
57
58/* Initialize the nodes for constants. */
59void gfc_init_constants (void);
60
61/* Build a constant with given type from an int_cst. */
62tree gfc_build_const (tree, tree);
63
64/* Integer constants 0..GFC_MAX_DIMENSIONS. */
65extern GTY(()) tree gfc_rank_cst[GFC_MAX_DIMENSIONS + 1];
66
67#define gfc_index_zero_node gfc_rank_cst[0]
68#define gfc_index_one_node gfc_rank_cst[1]
69

source code of gcc/fortran/trans-const.h