gcc/fortran/trans-const.h

   1 /* Header for code constant translation functions
   2    Copyright (C) 2002-2017 Free Software Foundation, Inc.
   3    Contributed by Paul Brook
   4
   5 This file is part of GCC.
   6
   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.
  11
  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.
  16
  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/>.  */
  20
  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);
  24
  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);
  28
  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);
  32
  33 /* Build a tree containing a NaN for the given type, with significand
  34    specified by second argument.  */
  35 tree 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.  */
  40 tree 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.  */
  44 void gfc_conv_constant (gfc_se *, gfc_expr *);
  45
  46 tree gfc_build_string_const (int, const char *);
  47 tree gfc_build_wide_string_const (int, int, const gfc_char_t *);
  48 tree gfc_build_cstring_const (const char *);
  49 tree gfc_build_localized_cstring_const (const char *);
  50
  51 /* Translate a string constant for a static initializer.  */
  52 tree gfc_conv_string_init (tree, gfc_expr *);
  53
  54 /* Create a tree node for the string length if it is constant.  */
  55 void gfc_conv_const_charlen (gfc_charlen *);
  56
  57 /* Initialize the nodes for constants.  */
  58 void gfc_init_constants (void);
  59
  60 /* Build a constant with given type from an int_cst.  */
  61 tree gfc_build_const (tree, tree);
  62
  63 /* Integer constants 0..GFC_MAX_DIMENSIONS.  */
  64 extern 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]