gcc/fortran/trans-types.h

   1 /* Header for Fortran 95 types backend support.
   2    Copyright (C) 2002, 2003, 2004, 2005, 2007, 2008
   3    Free Software Foundation, Inc.
   4    Contributed by Paul Brook <paul@nowt.org>
   5    and Steven Bosscher <s.bosscher@student.tudelft.nl>
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23
  24 #ifndef GFC_BACKEND_H
  25 #define GFC_BACKEND_H
  26
  27 extern GTY(()) tree gfc_array_index_type;
  28 extern GTY(()) tree gfc_array_range_type;
  29 extern GTY(()) tree gfc_character1_type_node;
  30 extern GTY(()) tree ppvoid_type_node;
  31 extern GTY(()) tree pvoid_type_node;
  32 extern GTY(()) tree pchar_type_node;
  33
  34 /* This is the type used to hold the lengths of character variables.
  35    It must be the same as the corresponding definition in gfortran.h.  */
  36 /* TODO: This is still hardcoded as kind=4 in some bits of the compiler
  37    and runtime library.  */
  38 extern GTY(()) tree gfc_charlen_type_node;
  39
  40 typedef enum {
  41   PACKED_NO = 0,
  42   PACKED_PARTIAL,
  43   PACKED_FULL,
  44   PACKED_STATIC
  45 } gfc_packed;
  46
  47 /* be-function.c */
  48 void gfc_convert_function_code (gfc_namespace *);
  49
  50 /* trans-types.c */
  51 void gfc_init_kinds (void);
  52 void gfc_init_types (void);
  53
  54 tree gfc_get_int_type (int);
  55 tree gfc_get_real_type (int);
  56 tree gfc_get_complex_type (int);
  57 tree gfc_get_logical_type (int);
  58 tree gfc_get_char_type (int);
  59 tree gfc_get_pchar_type (int);
  60 tree gfc_get_character_type (int, gfc_charlen *);
  61 tree gfc_get_character_type_len (int, tree);
  62 tree gfc_get_character_type_len_for_eltype (tree, tree);
  63
  64 tree gfc_sym_type (gfc_symbol *);
  65 tree gfc_typenode_for_spec (gfc_typespec *);
  66
  67 tree gfc_get_function_type (gfc_symbol *);
  68
  69 tree gfc_type_for_size (unsigned, int);
  70 tree gfc_type_for_mode (enum machine_mode, int);
  71
  72 tree gfc_get_element_type (tree);
  73 tree gfc_get_array_type_bounds (tree, int, tree *, tree *, int,
  74                                 enum gfc_array_kind);
  75 tree gfc_get_nodesc_array_type (tree, gfc_array_spec *, gfc_packed);
  76
  77 /* Add a field of given name and type to a UNION_TYPE or RECORD_TYPE.  */
  78 tree gfc_add_field_to_struct (tree *, tree, tree, tree);
  79
  80 /* Layout and output debugging info for a type.  */
  81 void gfc_finish_type (tree);
  82
  83 /* Some functions have an extra parameter for the return value.  */
  84 int gfc_return_by_reference (gfc_symbol *);
  85
  86 /* Returns true if the array sym does not require a descriptor.  */
  87 int gfc_is_nodesc_array (gfc_symbol *);
  88
  89 /* Return the DTYPE for an array.  */
  90 tree gfc_get_dtype (tree);
  91
  92 #endif