gcc/f/com.h

   1 /* com.h -- Public #include File (module.h template V1.0)
   2    Copyright (C) 1995-1997 Free Software Foundation, Inc.
   3    Contributed by James Craig Burley.
   4
   5 This file is part of GNU Fortran.
   6
   7 GNU Fortran is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Fortran is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Fortran; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20 02111-1307, USA.
  21
  22    Owning Modules:
  23       com.c
  24
  25    Modifications:
  26 */
  27
  28 /* Allow multiple inclusion to work. */
  29
  30 #ifndef _H_f_com
  31 #define _H_f_com
  32
  33 /* Simple definitions and enumerations. */
  34
  35 #define FFECOM_dimensionsMAX 7  /* Max # dimensions (quick hack). */
  36
  37 #define FFECOM_targetFFE 1
  38 #define FFECOM_targetGCC 2
  39
  40 #ifndef FFE_STANDALONE
  41 #define FFECOM_targetCURRENT FFECOM_targetGCC   /* Backend! */
  42 #define FFECOM_ONEPASS 0
  43 #else
  44 #define FFECOM_targetCURRENT FFECOM_targetFFE
  45 #define FFECOM_ONEPASS 0
  46 #endif
  47
  48 #if FFECOM_ONEPASS
  49 #define FFECOM_TWOPASS 0
  50 #else
  51 #define FFECOM_TWOPASS 1
  52 #endif
  53
  54 #define FFECOM_SIZE_UNIT "byte" /* Singular form. */
  55 #define FFECOM_SIZE_UNITS "bytes"       /* Plural form. */
  56
  57 #if FFECOM_targetCURRENT == FFECOM_targetGCC
  58 #define FFECOM_constantNULL NULL_TREE
  59 #define FFECOM_nonterNULL NULL_TREE
  60 #define FFECOM_globalNULL NULL_TREE
  61 #define FFECOM_labelNULL NULL_TREE
  62 #define FFECOM_storageNULL NULL_TREE
  63 #define FFECOM_symbolNULL ffecom_symbol_null_
  64
  65 /* Shorthand for types used in f2c.h and that g77 perhaps allows some
  66    flexibility regarding in the section below.  I.e. the actual numbers
  67    below aren't important, as long as they're unique.  */
  68
  69 #define FFECOM_f2ccodeCHAR 1
  70 #define FFECOM_f2ccodeSHORT 2
  71 #define FFECOM_f2ccodeINT 3
  72 #define FFECOM_f2ccodeLONG 4
  73 #define FFECOM_f2ccodeLONGLONG 5
  74 #define FFECOM_f2ccodeCHARPTR 6         /* char * */
  75 #define FFECOM_f2ccodeFLOAT 7
  76 #define FFECOM_f2ccodeDOUBLE 8
  77 #define FFECOM_f2ccodeLONGDOUBLE 9
  78 #define FFECOM_f2ccodeTWOREALS 10
  79 #define FFECOM_f2ccodeTWODOUBLEREALS 11
  80
  81 #if FFECOM_DETERMINE_TYPES      /* only for com.c and configure */
  82
  83 /* Begin f2c.h information.  This must match the info in the f2c.h used
  84    to build the libf2c with which g77-generated code is linked, or there
  85    will probably be bugs, some of them difficult to detect or even trigger.  */
  86
  87 /* Do we need int (for 32-bit or 64-bit systems) or long (16-bit or
  88    normally 32-bit) for f2c-type integers? */
  89
  90 #ifndef BITS_PER_WORD
  91 #define BITS_PER_WORD 32
  92 #endif
  93
  94 #ifndef CHAR_TYPE_SIZE
  95 #define CHAR_TYPE_SIZE BITS_PER_UNIT
  96 #endif
  97
  98 #ifndef SHORT_TYPE_SIZE
  99 #define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
 100 #endif
 101
 102 #ifndef INT_TYPE_SIZE
 103 #define INT_TYPE_SIZE BITS_PER_WORD
 104 #endif
 105
 106 #ifndef LONG_TYPE_SIZE
 107 #define LONG_TYPE_SIZE BITS_PER_WORD
 108 #endif
 109
 110 #ifndef LONG_LONG_TYPE_SIZE
 111 #define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
 112 #endif
 113
 114 #ifndef WCHAR_UNSIGNED
 115 #define WCHAR_UNSIGNED 0
 116 #endif
 117
 118 #ifndef FLOAT_TYPE_SIZE
 119 #define FLOAT_TYPE_SIZE BITS_PER_WORD
 120 #endif
 121
 122 #ifndef DOUBLE_TYPE_SIZE
 123 #define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
 124 #endif
 125
 126 #ifndef LONG_DOUBLE_TYPE_SIZE
 127 #define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
 128 #endif
 129
 130 #if LONG_TYPE_SIZE == FLOAT_TYPE_SIZE
 131 #  define FFECOM_f2cINTEGER FFECOM_f2ccodeLONG
 132 #  define FFECOM_f2cLOGICAL FFECOM_f2ccodeLONG
 133 #elif INT_TYPE_SIZE == FLOAT_TYPE_SIZE
 134 #  define FFECOM_f2cINTEGER FFECOM_f2ccodeINT
 135 #  define FFECOM_f2cLOGICAL FFECOM_f2ccodeINT
 136 #else
 137 #  error Cannot find a suitable type for FFECOM_f2cINTEGER
 138 #endif
 139
 140 #if LONG_TYPE_SIZE == (FLOAT_TYPE_SIZE * 2)
 141 #  define FFECOM_f2cLONGINT FFECOM_f2ccodeLONG
 142 #elif LONG_LONG_TYPE_SIZE == (FLOAT_TYPE_SIZE * 2)
 143 #  define FFECOM_f2cLONGINT FFECOM_f2ccodeLONGLONG
 144 #else
 145 #  error Cannot find a suitable type for FFECOM_f2cLONGINT
 146 #endif
 147
 148 #define FFECOM_f2cADDRESS FFECOM_f2ccodeCHARPTR
 149 #define FFECOM_f2cSHORTINT FFECOM_f2ccodeSHORT
 150 #define FFECOM_f2cREAL FFECOM_f2ccodeFLOAT
 151 #define FFECOM_f2cDOUBLEREAL FFECOM_f2ccodeDOUBLE
 152 #define FFECOM_f2cCOMPLEX FFECOM_f2ccodeTWOREALS
 153 #define FFECOM_f2cDOUBLECOMPLEX FFECOM_f2ccodeTWODOUBLEREALS
 154 #define FFECOM_f2cSHORTLOGICAL FFECOM_f2ccodeSHORT
 155 #define FFECOM_f2cLOGICAL1 FFECOM_f2ccodeCHAR
 156 #define FFECOM_f2cINTEGER1 FFECOM_f2ccodeCHAR
 157
 158 /* These must be f2c's INTEGER type, to match runtime/f2c.h.in.  */
 159
 160 #define FFECOM_f2cFLAG FFECOM_f2cINTEGER
 161 #define FFECOM_f2cFTNINT FFECOM_f2cINTEGER
 162 #define FFECOM_f2cFTNLEN FFECOM_f2cINTEGER
 163
 164 #endif  /* #if FFECOM_DETERMINE_TYPES */
 165
 166 /* Everything else in f2c.h, specifically the structures used in
 167    interfacing compiled code with the library, must remain exactly
 168    as delivered, or g77 internals (mostly com.c and ste.c) must
 169    be modified accordingly to compensate.  Or there will be...trouble.  */
 170
 171 typedef enum
 172   {
 173 #define DEFGFRT(CODE,NAME,TYPE,ARGS,VOLATILE,COMPLEX) CODE,
 174 #include "com-rt.def"
 175 #undef DEFGFRT
 176     FFECOM_gfrt
 177   } ffecomGfrt;
 178
 179 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 180
 181 /* Typedefs. */
 182
 183 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 184 #ifndef TREE_CODE
 185 #include "tree.j"
 186 #endif
 187
 188 #ifndef BUILT_FOR_270
 189 #ifdef DECL_STATIC_CONSTRUCTOR  /* In gcc/tree.h. */
 190 #define BUILT_FOR_270 1
 191 #else
 192 #define BUILT_FOR_270 0
 193 #endif
 194 #endif  /* !defined (BUILT_FOR_270) */
 195
 196 #ifndef BUILT_FOR_280
 197 #ifdef DECL_ONE_ONLY    /* In gcc/tree.h. */
 198 #define BUILT_FOR_280 1
 199 #else
 200 #define BUILT_FOR_280 0
 201 #endif
 202 #endif  /* !defined (BUILT_FOR_280) */
 203
 204 typedef tree ffecomConstant;
 205 #define FFECOM_constantHOOK
 206 typedef tree ffecomNonter;
 207 #define FFECOM_nonterHOOK
 208 typedef tree ffecomLabel;
 209 #define FFECOM_globalHOOK
 210 typedef tree ffecomGlobal;
 211 #define FFECOM_labelHOOK
 212 typedef tree ffecomStorage;
 213 #define FFECOM_storageHOOK
 214 typedef struct _ffecom_symbol_ ffecomSymbol;
 215 #define FFECOM_symbolHOOK
 216
 217 struct _ffecom_symbol_
 218   {
 219     tree decl_tree;
 220     tree length_tree;           /* For CHARACTER dummies. */
 221     tree vardesc_tree;          /* For NAMELIST. */
 222     tree assign_tree;           /* For ASSIGN'ed vars. */
 223     bool addr;                  /* Is address of item instead of item. */
 224   };
 225 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 226
 227 /* Include files needed by this one. */
 228
 229 #include "bld.h"
 230 #include "info.h"
 231 #include "lab.h"
 232 #include "storag.h"
 233 #include "symbol.h"
 234
 235 /* Structure definitions. */
 236
 237
 238 /* Global objects accessed by users of this module. */
 239
 240 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 241 extern tree string_type_node;
 242 extern tree ffecom_integer_type_node;
 243 extern tree ffecom_integer_zero_node;
 244 extern tree ffecom_integer_one_node;
 245 extern tree ffecom_tree_type[FFEINFO_basictype][FFEINFO_kindtype];
 246 extern ffecomSymbol ffecom_symbol_null_;
 247 extern ffeinfoKindtype ffecom_pointer_kind_;
 248 extern ffeinfoKindtype ffecom_label_kind_;
 249
 250 extern int ffecom_f2c_typecode_[FFEINFO_basictype][FFEINFO_kindtype];
 251 extern tree ffecom_f2c_integer_type_node;
 252 extern tree ffecom_f2c_address_type_node;
 253 extern tree ffecom_f2c_real_type_node;
 254 extern tree ffecom_f2c_doublereal_type_node;
 255 extern tree ffecom_f2c_complex_type_node;
 256 extern tree ffecom_f2c_doublecomplex_type_node;
 257 extern tree ffecom_f2c_longint_type_node;
 258 extern tree ffecom_f2c_logical_type_node;
 259 extern tree ffecom_f2c_flag_type_node;
 260 extern tree ffecom_f2c_ftnlen_type_node;
 261 extern tree ffecom_f2c_ftnlen_zero_node;
 262 extern tree ffecom_f2c_ftnlen_one_node;
 263 extern tree ffecom_f2c_ftnlen_two_node;
 264 extern tree ffecom_f2c_ptr_to_ftnlen_type_node;
 265 extern tree ffecom_f2c_ftnint_type_node;
 266 extern tree ffecom_f2c_ptr_to_ftnint_type_node;
 267 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 268
 269 /* Declare functions with prototypes. */
 270
 271 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 272 tree ffecom_1 (enum tree_code code, tree type, tree node);
 273 tree ffecom_1_fn (tree node);
 274 tree ffecom_2 (enum tree_code code, tree type, tree node1, tree node2);
 275 bool ffecom_2pass_advise_entrypoint (ffesymbol entry);
 276 void ffecom_2pass_do_entrypoint (ffesymbol entry);
 277 tree ffecom_2s (enum tree_code code, tree type, tree node1, tree node2);
 278 tree ffecom_3 (enum tree_code code, tree type, tree node1, tree node2,
 279                tree node3);
 280 tree ffecom_3s (enum tree_code code, tree type, tree node1, tree node2,
 281                 tree node3);
 282 tree ffecom_arg_expr (ffebld expr, tree *length);
 283 tree ffecom_arg_ptr_to_const_expr (ffebld expr, tree *length);
 284 tree ffecom_arg_ptr_to_expr (ffebld expr, tree *length);
 285 tree ffecom_call_gfrt (ffecomGfrt ix, tree args, tree hook);
 286 tree ffecom_constantunion (ffebldConstantUnion *cu, ffeinfoBasictype bt,
 287                            ffeinfoKindtype kt, tree tree_type);
 288 tree ffecom_const_expr (ffebld expr);
 289 tree ffecom_decl_field (tree context, tree prevfield, const char *name,
 290                         tree type);
 291 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 292 void ffecom_close_include (FILE *f);
 293 int ffecom_decode_include_option (char *spec);
 294 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 295 tree ffecom_end_compstmt (void);
 296 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 297 void ffecom_end_transition (void);
 298 void ffecom_exec_transition (void);
 299 void ffecom_expand_let_stmt (ffebld dest, ffebld source);
 300 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 301 tree ffecom_expr (ffebld expr);
 302 tree ffecom_expr_assign (ffebld expr);
 303 tree ffecom_expr_assign_w (ffebld expr);
 304 tree ffecom_expr_rw (tree type, ffebld expr);
 305 tree ffecom_expr_w (tree type, ffebld expr);
 306 void ffecom_finish_compile (void);
 307 void ffecom_finish_decl (tree decl, tree init, bool is_top_level);
 308 void ffecom_finish_progunit (void);
 309 tree ffecom_get_invented_identifier (const char *pattern, const char *text,
 310                                      int number);
 311 ffeinfoKindtype ffecom_gfrt_basictype (ffecomGfrt ix);
 312 ffeinfoKindtype ffecom_gfrt_kindtype (ffecomGfrt ix);
 313 void ffecom_init_0 (void);
 314 void ffecom_init_2 (void);
 315 tree ffecom_list_expr (ffebld list);
 316 tree ffecom_list_ptr_to_expr (ffebld list);
 317 tree ffecom_lookup_label (ffelab label);
 318 tree ffecom_make_tempvar (const char *commentary, tree type,
 319                           ffetargetCharacterSize size, int elements);
 320 tree ffecom_modify (tree newtype, tree lhs, tree rhs);
 321 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 322 void ffecom_file (char *name);
 323 void ffecom_notify_init_storage (ffestorag st);
 324 void ffecom_notify_init_symbol (ffesymbol s);
 325 void ffecom_notify_primary_entry (ffesymbol fn);
 326 FILE *ffecom_open_include (char *name, ffewhereLine l, ffewhereColumn c);
 327 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 328 void ffecom_prepare_arg_ptr_to_expr (ffebld expr);
 329 bool ffecom_prepare_end (void);
 330 void ffecom_prepare_expr_ (ffebld expr, ffebld dest);
 331 void ffecom_prepare_expr_rw (tree type, ffebld expr);
 332 void ffecom_prepare_expr_w (tree type, ffebld expr);
 333 void ffecom_prepare_ptr_to_expr (ffebld expr);
 334 void ffecom_prepare_return_expr (ffebld expr);
 335 tree ffecom_ptr_to_const_expr (ffebld expr);
 336 tree ffecom_ptr_to_expr (ffebld expr);
 337 tree ffecom_return_expr (ffebld expr);
 338 tree ffecom_save_tree (tree t);
 339 void ffecom_start_compstmt (void);
 340 tree ffecom_start_decl (tree decl, bool is_init);
 341 void ffecom_sym_commit (ffesymbol s);
 342 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 343 ffesymbol ffecom_sym_end_transition (ffesymbol s);
 344 ffesymbol ffecom_sym_exec_transition (ffesymbol s);
 345 ffesymbol ffecom_sym_learned (ffesymbol s);
 346 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 347 void ffecom_sym_retract (ffesymbol s);
 348 tree ffecom_temp_label (void);
 349 tree ffecom_truth_value (tree expr);
 350 tree ffecom_truth_value_invert (tree expr);
 351 tree ffecom_type_expr (ffebld expr);
 352 tree ffecom_which_entrypoint_decl (void);
 353
 354 /* These need to be in the front end with exactly these interfaces,
 355    as they're called by the back end.  */
 356
 357 int mark_addressable (tree expr);
 358 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 359
 360 /* Define macros. */
 361
 362 #if FFECOM_targetCURRENT == FFECOM_targetFFE
 363 #define ffecom_expr(e) (e)
 364 #define ffecom_init_0()
 365 #define ffecom_init_2()
 366 #define ffecom_label_kind() FFEINFO_kindtypeINTEGERDEFAULT
 367 #define ffecom_pointer_kind() FFEINFO_kindtypeINTEGERDEFAULT
 368 #define ffecom_ptr_to_expr(e) (e)
 369 #define ffecom_sym_commit(s)
 370 #define ffecom_sym_retract(s)
 371 #endif  /* FFECOM_targetCURRENT == FFECOM_targetFFE */
 372
 373 #if FFECOM_targetCURRENT == FFECOM_targetGCC
 374 #define ffecom_f2c_typecode(bt,kt) ffecom_f2c_typecode_[(bt)][(kt)]
 375 #define ffecom_label_kind() ffecom_label_kind_
 376 #define ffecom_pointer_kind() ffecom_pointer_kind_
 377 #define ffecom_prepare_expr(e) ffecom_prepare_expr_ ((e), NULL)
 378 #endif  /* FFECOM_targetCURRENT == FFECOM_targetGCC */
 379
 380 #define ffecom_init_1()
 381 #define ffecom_init_3()
 382 #define ffecom_init_4()
 383 #define ffecom_terminate_0()
 384 #define ffecom_terminate_1()
 385 #define ffecom_terminate_2()
 386 #define ffecom_terminate_3()
 387 #define ffecom_terminate_4()
 388
 389 /* End of #include file. */
 390
 391 #endif