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[official-gcc.git] / gcc / fortran / trans-const.h
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1 /* Header for code constant translation functions
2 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
3 Free Software Foundation, Inc.
4 Contributed by Paul Brook
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
11 version.
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 /* Converts between INT_CST and GMP integer representations. */
23 tree gfc_conv_mpz_to_tree (mpz_t, int);
24 void gfc_conv_tree_to_mpz (mpz_t, tree);
26 /* Converts between REAL_CST and MPFR floating-point representations. */
27 tree gfc_conv_mpfr_to_tree (mpfr_t, int);
28 void gfc_conv_tree_to_mpfr (mpfr_ptr, tree);
30 /* Build a tree for a constant. Must be an EXPR_CONSTANT gfc_expr.
31 For CHARACTER literal constants, the caller still has to set the
32 string length as a separate operation. */
33 tree gfc_conv_constant_to_tree (gfc_expr *);
35 /* Like gfc_conv_noncharacter_constant, but works on simplified expression
36 structures. Also sets the length of CHARACTER strings in the gfc_se. */
37 void gfc_conv_constant (gfc_se *, gfc_expr *);
39 tree gfc_build_string_const (int, const char *);
40 tree gfc_build_cstring_const (const char *);
41 tree gfc_build_localized_cstring_const (const char *);
43 /* Translate a string constant for a static initializer. */
44 tree gfc_conv_string_init (tree, gfc_expr *);
46 /* Create a tree node for the string length if it is constant. */
47 void gfc_conv_const_charlen (gfc_charlen *);
49 /* Initialize the nodes for constants. */
50 void gfc_init_constants (void);
52 /* Build a constant with given type from an int_cst. */
53 tree gfc_build_const (tree, tree);
55 /* Integer constants 0..GFC_MAX_DIMENSIONS. */
56 extern GTY(()) tree gfc_rank_cst[GFC_MAX_DIMENSIONS + 1];
58 #define gfc_index_zero_node gfc_rank_cst[0]
59 #define gfc_index_one_node gfc_rank_cst[1]