1 /* Header for Fortran 95 types backend support. 2 Copyright (C) 2002-2013 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 float128_type_node; 34 extern GTY(()) tree 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 typedef enum { 48 PACKED_NO = 0, 49 PACKED_PARTIAL, 50 PACKED_FULL, 51 PACKED_STATIC 52 } gfc_packed; 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 *); 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 105