2013-11-29 Richard Biener <rguenther@suse.de>
[official-gcc.git] / gcc / fortran / trans-const.h
blob1fe4d042dc03b5ef3965ec5539271137ba35e469
1 /* Header for code constant translation functions
2 Copyright (C) 2002-2013 Free Software Foundation, Inc.
3 Contributed by Paul Brook
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
10 version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 /* Converts between INT_CST and GMP integer representations. */
22 tree gfc_conv_mpz_to_tree (mpz_t, int);
23 void gfc_conv_tree_to_mpz (mpz_t, tree);
25 /* Converts between REAL_CST and MPFR floating-point representations. */
26 tree gfc_conv_mpfr_to_tree (mpfr_t, int, int);
27 void gfc_conv_tree_to_mpfr (mpfr_ptr, tree);
29 /* Build a tree containing a real infinity (or HUGE if infinities are
30 not supported for the given type. */
31 tree gfc_build_inf_or_huge (tree, int);
33 /* Build a tree for a constant. Must be an EXPR_CONSTANT gfc_expr.
34 For CHARACTER literal constants, the caller still has to set the
35 string length as a separate operation. */
36 tree gfc_conv_constant_to_tree (gfc_expr *);
38 /* Like gfc_conv_noncharacter_constant, but works on simplified expression
39 structures. Also sets the length of CHARACTER strings in the gfc_se. */
40 void gfc_conv_constant (gfc_se *, gfc_expr *);
42 tree gfc_build_string_const (int, const char *);
43 tree gfc_build_wide_string_const (int, int, const gfc_char_t *);
44 tree gfc_build_cstring_const (const char *);
45 tree gfc_build_localized_cstring_const (const char *);
47 /* Translate a string constant for a static initializer. */
48 tree gfc_conv_string_init (tree, gfc_expr *);
50 /* Create a tree node for the string length if it is constant. */
51 void gfc_conv_const_charlen (gfc_charlen *);
53 /* Initialize the nodes for constants. */
54 void gfc_init_constants (void);
56 /* Build a constant with given type from an int_cst. */
57 tree gfc_build_const (tree, tree);
59 /* Integer constants 0..GFC_MAX_DIMENSIONS. */
60 extern GTY(()) tree gfc_rank_cst[GFC_MAX_DIMENSIONS + 1];
62 #define gfc_index_zero_node gfc_rank_cst[0]
63 #define gfc_index_one_node gfc_rank_cst[1]