1  /* Header for code constant translation functions
       2     Copyright (C) 2002-2023 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]