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 prvoid_type_node;
  33 extern GTY(()) tree pchar_type_node;
  34 extern GTY(()) tree float128_type_node;
  35 extern GTY(()) tree complex_float128_type_node;
  36
  37 /* This is the type used to hold the lengths of character variables.
  38    It must be the same as the corresponding definition in gfortran.h.  */
  39 /* TODO: This is still hardcoded as kind=4 in some bits of the compiler
  40    and runtime library.  */
  41 extern GTY(()) tree gfc_charlen_type_node;
  42
  43 /* The following flags give us information on the correspondance of
  44    real (and complex) kinds with C floating-point types long double
  45    and __float128.  */
  46 extern bool gfc_real16_is_float128;
  47
  48 typedef enum {
  49   PACKED_NO = 0,
  50   PACKED_PARTIAL,
  51   PACKED_FULL,
  52   PACKED_STATIC
  53 } gfc_packed;
  54
  55 /* be-function.c */
  56 void gfc_convert_function_code (gfc_namespace *);
  57
  58 /* trans-types.c */
  59 void gfc_init_kinds (void);
  60 void gfc_init_types (void);
  61
  62 tree gfc_get_int_type (int);
  63 tree gfc_get_real_type (int);
  64 tree gfc_get_complex_type (int);
  65 tree gfc_get_logical_type (int);
  66 tree gfc_get_char_type (int);
  67 tree gfc_get_pchar_type (int);
  68 tree gfc_get_character_type (int, gfc_charlen *);
  69 tree gfc_get_character_type_len (int, tree);
  70 tree gfc_get_character_type_len_for_eltype (tree, tree);
  71
  72 tree gfc_sym_type (gfc_symbol *);
  73 tree gfc_typenode_for_spec (gfc_typespec *);
  74 int gfc_copy_dt_decls_ifequal (gfc_symbol *, gfc_symbol *, bool);
  75
  76 tree gfc_get_function_type (gfc_symbol *);
  77
  78 tree gfc_type_for_size (unsigned, int);
  79 tree gfc_type_for_mode (enum machine_mode, int);
  80 tree gfc_build_uint_type (int);
  81
  82 tree gfc_get_element_type (tree);
  83 tree gfc_get_array_type_bounds (tree, int, int, tree *, tree *, int,
  84                                 enum gfc_array_kind, bool);
  85 tree gfc_get_nodesc_array_type (tree, gfc_array_spec *, gfc_packed, bool);
  86
  87 /* Add a field of given name and type to a UNION_TYPE or RECORD_TYPE.  */
  88 tree gfc_add_field_to_struct (tree, tree, tree, tree **);
  89
  90 /* Layout and output debugging info for a type.  */
  91 void gfc_finish_type (tree);
  92
  93 /* Some functions have an extra parameter for the return value.  */
  94 int gfc_return_by_reference (gfc_symbol *);
  95
  96 /* Returns true if the array sym does not require a descriptor.  */
  97 int gfc_is_nodesc_array (gfc_symbol *);
  98
  99 /* Return the DTYPE for an array.  */
 100 tree gfc_get_dtype (tree);
 101
 102 tree gfc_get_ppc_type (gfc_component *);
 103
 104 #endif