gcc/fortran/trans-const.h

   1 /* Header for code constant translation functions
   2    Copyright (C) 2002-2018 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 tree gfc_conv_mpz_to_tree_type (mpz_t, const tree);
  24 void gfc_conv_tree_to_mpz (mpz_t, tree);
  25
  26 /* Converts between REAL_CST and MPFR floating-point representations.  */
  27 tree gfc_conv_mpfr_to_tree (mpfr_t, int, int);
  28 void 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.  */
  32 tree 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.  */
  36 tree 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.  */
  41 tree 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.  */
  45 void gfc_conv_constant (gfc_se *, gfc_expr *);
  46
  47 tree gfc_build_string_const (size_t, const char *);
  48 tree gfc_build_wide_string_const (int, size_t, const gfc_char_t *);
  49 tree gfc_build_cstring_const (const char *);
  50 tree gfc_build_localized_cstring_const (const char *);
  51
  52 /* Translate a string constant for a static initializer.  */
  53 tree gfc_conv_string_init (tree, gfc_expr *);
  54
  55 /* Create a tree node for the string length if it is constant.  */
  56 void gfc_conv_const_charlen (gfc_charlen *);
  57
  58 /* Initialize the nodes for constants.  */
  59 void gfc_init_constants (void);
  60
  61 /* Build a constant with given type from an int_cst.  */
  62 tree gfc_build_const (tree, tree);
  63
  64 /* Integer constants 0..GFC_MAX_DIMENSIONS.  */
  65 extern 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]