gcc/fortran/trans-types.h

   1 /* Header for Fortran 95 types backend support.
   2    Copyright (C) 2002-2017 Free Software Foundation, Inc.
   3    Contributed by Paul Brook <paul@nowt.org>
   4    and Steven Bosscher <s.bosscher@student.tudelft.nl>
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.  */
  21
  22
  23 #ifndef GFC_BACKEND_H
  24 #define GFC_BACKEND_H
  25
  26 extern GTY(()) tree gfc_array_index_type;
  27 extern GTY(()) tree gfc_array_range_type;
  28 extern GTY(()) tree gfc_character1_type_node;
  29 extern GTY(()) tree ppvoid_type_node;
  30 extern GTY(()) tree pvoid_type_node;
  31 extern GTY(()) tree prvoid_type_node;
  32 extern GTY(()) tree pchar_type_node;
  33 extern GTY(()) tree gfc_float128_type_node;
  34 extern GTY(()) tree gfc_complex_float128_type_node;
  35
  36 /* This is the type used to hold the lengths of character variables.
  37    It must be the same as the corresponding definition in gfortran.h.  */
  38 /* TODO: This is still hardcoded as kind=4 in some bits of the compiler
  39    and runtime library.  */
  40 extern GTY(()) tree gfc_charlen_type_node;
  41
  42 /* The following flags give us information on the correspondence of
  43    real (and complex) kinds with C floating-point types long double
  44    and __float128.  */
  45 extern bool gfc_real16_is_float128;
  46
  47 enum gfc_packed {
  48   PACKED_NO = 0,
  49   PACKED_PARTIAL,
  50   PACKED_FULL,
  51   PACKED_STATIC
  52 };
  53
  54 /* be-function.c */
  55 void gfc_convert_function_code (gfc_namespace *);
  56
  57 /* trans-types.c */
  58 void gfc_init_kinds (void);
  59 void gfc_init_types (void);
  60 void gfc_init_c_interop_kinds (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 *, int c = 0);
  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 (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_rank_type (int, tree);
 101 tree gfc_get_dtype (tree);
 102
 103 tree gfc_get_ppc_type (gfc_component *);
 104 tree gfc_get_caf_vector_type (int dim);
 105 tree gfc_get_caf_reference_type ();
 106
 107 #endif