1/* Header for code constant translation functions
2 Copyright (C) 2002-2017 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);
23void gfc_conv_tree_to_mpz (mpz_t, tree);
24
25/* Converts between REAL_CST and MPFR floating-point representations. */
26tree gfc_conv_mpfr_to_tree (mpfr_t, int, int);
27void gfc_conv_tree_to_mpfr (mpfr_ptr, tree);
28
29/* Build a tree containing a real infinity (or HUGE if infinities are
30 not supported for the given type. */
31tree gfc_build_inf_or_huge (tree, int);
32
33/* Build a tree containing a NaN for the given type, with significand
34 specified by second argument. */
35tree gfc_build_nan (tree, const char *);
36
37/* Build a tree for a constant. Must be an EXPR_CONSTANT gfc_expr.
38 For CHARACTER literal constants, the caller still has to set the
39 string length as a separate operation. */
40tree gfc_conv_constant_to_tree (gfc_expr *);
41
42/* Like gfc_conv_noncharacter_constant, but works on simplified expression
43 structures. Also sets the length of CHARACTER strings in the gfc_se. */
44void gfc_conv_constant (gfc_se *, gfc_expr *);
45
46tree gfc_build_string_const (int, const char *);
47tree gfc_build_wide_string_const (int, int, const gfc_char_t *);
48tree gfc_build_cstring_const (const char *);
49tree gfc_build_localized_cstring_const (const char *);
50
51/* Translate a string constant for a static initializer. */
52tree gfc_conv_string_init (tree, gfc_expr *);
53
54/* Create a tree node for the string length if it is constant. */
55void gfc_conv_const_charlen (gfc_charlen *);
56
57/* Initialize the nodes for constants. */
58void gfc_init_constants (void);
59
60/* Build a constant with given type from an int_cst. */
61tree gfc_build_const (tree, tree);
62
63/* Integer constants 0..GFC_MAX_DIMENSIONS. */
64extern GTY(()) tree gfc_rank_cst[GFC_MAX_DIMENSIONS + 1];
65
66#define gfc_index_zero_node gfc_rank_cst[0]
67#define gfc_index_one_node gfc_rank_cst[1]
68