| 1 | /* Interface to LUCID Cadillac system for GNU compiler. |
| 2 | Copyright (C) 1988, 1992, 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU CC. |
| 5 | |
| 6 | GNU CC is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GNU CC is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU CC; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #include "config.h" |
| 21 | |
| 22 | #include "tree.h" |
| 23 | #include "flags.h" |
| 24 | #include <stdio.h> |
| 25 | #include "cp-tree.h" |
| 26 | #include "obstack.h" |
| 27 | |
| 28 | #ifdef CADILLAC |
| 29 | #include <compilerreq.h> |
| 30 | #include <compilerconn.h> |
| 31 | #include <sys/time.h> |
| 32 | #include <sys/types.h> |
| 33 | #include <errno.h> |
| 34 | #include <sys/file.h> |
| 35 | |
| 36 | #define obstack_chunk_alloc xmalloc |
| 37 | #define obstack_chunk_free free |
| 38 | |
| 39 | void init_cadillac (); |
| 40 | |
| 41 | extern char *input_filename; |
| 42 | extern int lineno; |
| 43 | |
| 44 | /* Put random information we might want to get back from |
| 45 | Cadillac here. */ |
| 46 | typedef struct |
| 47 | { |
| 48 | /* The connection to the Cadillac kernel. */ |
| 49 | Connection *conn; |
| 50 | |
| 51 | /* Input and output file descriptors for Cadillac. */ |
| 52 | short fd_input, fd_output; |
| 53 | |
| 54 | /* #include nesting of current file. */ |
| 55 | short depth; |
| 56 | |
| 57 | /* State variables for the connection. */ |
| 58 | char messages; |
| 59 | char conversion; |
| 60 | char emission; |
| 61 | char process_until; |
| 62 | |
| 63 | /* #if level of current file. */ |
| 64 | int iflevel; |
| 65 | |
| 66 | /* Line number that starts current source file. */ |
| 67 | int lineno; |
| 68 | |
| 69 | /* Name of current file. */ |
| 70 | char *filename; |
| 71 | |
| 72 | /* Where to stop processing (if process_until is set). */ |
| 73 | char *end_filename; |
| 74 | int end_position; |
| 75 | |
| 76 | } cadillac_struct; |
| 77 | static cadillac_struct cadillacObj; |
| 78 | |
| 79 | /* Nonzero if in the process of exiting. */ |
| 80 | static int exiting; |
| 81 | |
| 82 | void cadillac_note_source (); |
| 83 | static void CWriteLanguageDecl (); |
| 84 | static void CWriteLanguageType (); |
| 85 | static void CWriteTopLevel (); |
| 86 | static void cadillac_note_filepos (); |
| 87 | static void cadillac_process_request (), cadillac_process_requests (); |
| 88 | static void cadillac_switch_source (); |
| 89 | static void exit_cadillac (); |
| 90 | |
| 91 | /* Blocking test. */ |
| 92 | static int |
| 93 | readable_p (fd) |
| 94 | int fd; |
| 95 | { |
| 96 | fd_set f; |
| 97 | |
| 98 | FD_ZERO (&f); |
| 99 | FD_SET (fd, &f); |
| 100 | |
| 101 | return select (32, &f, NULL, NULL, 0) == 1; |
| 102 | } |
| 103 | |
| 104 | static CObjectType *tree_to_cadillac_map; |
| 105 | struct obstack cadillac_obstack; |
| 106 | |
| 107 | \f |
| 108 | #include "stack.h" |
| 109 | |
| 110 | struct context_level |
| 111 | { |
| 112 | struct stack_level base; |
| 113 | |
| 114 | tree context; |
| 115 | }; |
| 116 | |
| 117 | /* Stack for maintaining contexts (in case functions or types are nested). |
| 118 | When defining a struct type, the `context' field is the RECORD_TYPE. |
| 119 | When defining a function, the `context' field is the FUNCTION_DECL. */ |
| 120 | |
| 121 | static struct context_level *context_stack; |
| 122 | |
| 123 | static struct context_level * |
| 124 | push_context_level (stack, obstack) |
| 125 | struct stack_level *stack; |
| 126 | struct obstack *obstack; |
| 127 | { |
| 128 | struct context_level tem; |
| 129 | |
| 130 | tem.base.prev = stack; |
| 131 | return (struct context_level *)push_stack_level (obstack, &tem, sizeof (tem)); |
| 132 | } |
| 133 | |
| 134 | /* Discard a level of search allocation. */ |
| 135 | |
| 136 | static struct context_level * |
| 137 | pop_context_level (stack) |
| 138 | struct context_level *stack; |
| 139 | { |
| 140 | stack = (struct context_level *)pop_stack_level (stack); |
| 141 | return stack; |
| 142 | } |
| 143 | |
| 144 | void |
| 145 | init_cadillac () |
| 146 | { |
| 147 | extern FILE *finput; |
| 148 | extern int errno; |
| 149 | CCompilerMessage* req; |
| 150 | cadillac_struct *cp = &cadillacObj; |
| 151 | int i; |
| 152 | |
| 153 | if (! flag_cadillac) |
| 154 | return; |
| 155 | |
| 156 | tree_to_cadillac_map = (CObjectType*) xmalloc (sizeof (CObjectType) * LAST_CPLUS_TREE_CODE); |
| 157 | for (i = 0; i < LAST_CPLUS_TREE_CODE; i++) |
| 158 | tree_to_cadillac_map[i] = MiscOType; |
| 159 | tree_to_cadillac_map[RECORD_TYPE] = StructOType; |
| 160 | tree_to_cadillac_map[UNION_TYPE] = UnionOType; |
| 161 | tree_to_cadillac_map[ENUMERAL_TYPE] = EnumTypeOType; |
| 162 | tree_to_cadillac_map[TYPE_DECL] = TypedefOType; |
| 163 | tree_to_cadillac_map[VAR_DECL] = VariableOType; |
| 164 | tree_to_cadillac_map[CONST_DECL] = EnumConstantOType; |
| 165 | tree_to_cadillac_map[FUNCTION_DECL] = FunctionOType; |
| 166 | tree_to_cadillac_map[FIELD_DECL] = FieldOType; |
| 167 | |
| 168 | #ifdef sun |
| 169 | on_exit (&exit_cadillac, 0); |
| 170 | #endif |
| 171 | |
| 172 | gcc_obstack_init (&cadillac_obstack); |
| 173 | |
| 174 | /* Yow! This is the way Cadillac was designed to deal with |
| 175 | Oregon C++ compiler! */ |
| 176 | cp->fd_input = flag_cadillac; |
| 177 | cp->fd_output = flag_cadillac; |
| 178 | |
| 179 | /* Start in "turned-on" state. */ |
| 180 | cp->messages = 1; |
| 181 | cp->conversion = 1; |
| 182 | cp->emission = 1; |
| 183 | |
| 184 | /* Establish a connection with Cadillac here. */ |
| 185 | cp->conn = NewConnection (cp, cp->fd_input, cp->fd_output); |
| 186 | |
| 187 | CWriteHeader (cp->conn, WaitingMType, 0); |
| 188 | CWriteRequestBuffer (cp->conn); |
| 189 | |
| 190 | if (!readable_p (cp->fd_input)) |
| 191 | ; |
| 192 | |
| 193 | req = CReadCompilerMessage (cp->conn); |
| 194 | |
| 195 | if (!req) |
| 196 | switch (errno) |
| 197 | { |
| 198 | case EWOULDBLOCK: |
| 199 | sleep (5); |
| 200 | return; |
| 201 | |
| 202 | case 0: |
| 203 | fatal ("init_cadillac: EOF on connection to kernel, exiting\n"); |
| 204 | break; |
| 205 | |
| 206 | default: |
| 207 | perror ("Editor to kernel connection"); |
| 208 | exit (0); |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | static void |
| 213 | cadillac_process_requests (conn) |
| 214 | Connection *conn; |
| 215 | { |
| 216 | CCompilerMessage *req; |
| 217 | while (req = (CCompilerMessage*) CPeekNextRequest (conn)) |
| 218 | { |
| 219 | req = CReadCompilerMessage (conn); |
| 220 | cadillac_process_request (&cadillacObj, req); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | static void |
| 225 | cadillac_process_request (cp, req) |
| 226 | cadillac_struct *cp; |
| 227 | CCompilerMessage *req; |
| 228 | { |
| 229 | if (! req) |
| 230 | return; |
| 231 | |
| 232 | switch (req->reqType) |
| 233 | { |
| 234 | case ProcessUntilMType: |
| 235 | if (cp->process_until) |
| 236 | my_friendly_abort (23); |
| 237 | cp->process_until = 1; |
| 238 | /* This is not really right. */ |
| 239 | cp->end_position = ((CCompilerCommand*)req)->processuntil.position; |
| 240 | #if 0 |
| 241 | cp->end_filename = req->processuntil.filename; |
| 242 | #endif |
| 243 | break; |
| 244 | |
| 245 | case CommandMType: |
| 246 | switch (req->header.data) |
| 247 | { |
| 248 | case MessagesOnCType: |
| 249 | cp->messages = 1; |
| 250 | break; |
| 251 | case MessagesOffCType: |
| 252 | cp->messages = 0; |
| 253 | break; |
| 254 | case ConversionOnCType: |
| 255 | cp->conversion = 1; |
| 256 | break; |
| 257 | case ConversionOffCType: |
| 258 | cp->conversion = 0; |
| 259 | break; |
| 260 | case EmissionOnCType: |
| 261 | cp->emission = 1; |
| 262 | break; |
| 263 | case EmissionOffCType: |
| 264 | cp->emission = 0; |
| 265 | break; |
| 266 | |
| 267 | case FinishAnalysisCType: |
| 268 | return; |
| 269 | |
| 270 | case PuntAnalysisCType: |
| 271 | case ContinueAnalysisCType: |
| 272 | case GotoFileposCType: |
| 273 | case OpenSucceededCType: |
| 274 | case OpenFailedCType: |
| 275 | fprintf (stderr, "request type %d not implemented\n", req->reqType); |
| 276 | return; |
| 277 | |
| 278 | case DieCType: |
| 279 | if (! exiting) |
| 280 | my_friendly_abort (24); |
| 281 | return; |
| 282 | |
| 283 | } |
| 284 | break; |
| 285 | |
| 286 | default: |
| 287 | fatal ("unknown request type %d", req->reqType); |
| 288 | } |
| 289 | } |
| 290 | \f |
| 291 | void |
| 292 | cadillac_start () |
| 293 | { |
| 294 | Connection *conn = cadillacObj.conn; |
| 295 | CCompilerMessage *req; |
| 296 | |
| 297 | /* Let Cadillac know that we start in C++ language scope. */ |
| 298 | CWriteHeader (conn, ForeignLinkageMType, LinkCPlus); |
| 299 | CWriteLength (conn); |
| 300 | CWriteRequestBuffer (conn); |
| 301 | |
| 302 | cadillac_process_requests (conn); |
| 303 | } |
| 304 | |
| 305 | static void |
| 306 | cadillac_printf (msg, name) |
| 307 | { |
| 308 | if (cadillacObj.messages) |
| 309 | printf ("[%s,%4d] %s `%s'\n", input_filename, lineno, msg, name); |
| 310 | } |
| 311 | |
| 312 | void |
| 313 | cadillac_start_decl (decl) |
| 314 | tree decl; |
| 315 | { |
| 316 | Connection *conn = cadillacObj.conn; |
| 317 | CObjectType object_type = tree_to_cadillac_map [TREE_CODE (decl)]; |
| 318 | |
| 319 | if (context_stack) |
| 320 | switch (TREE_CODE (context_stack->context)) |
| 321 | { |
| 322 | case FUNCTION_DECL: |
| 323 | /* Currently, cadillac only implements top-level forms. */ |
| 324 | return; |
| 325 | case RECORD_TYPE: |
| 326 | case UNION_TYPE: |
| 327 | cadillac_printf ("start class-level decl", IDENTIFIER_POINTER (DECL_NAME (decl))); |
| 328 | break; |
| 329 | default: |
| 330 | my_friendly_abort (25); |
| 331 | } |
| 332 | else |
| 333 | { |
| 334 | cadillac_printf ("start top-level decl", IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))); |
| 335 | CWriteTopLevel (conn, StartMType); |
| 336 | } |
| 337 | |
| 338 | CWriteLanguageDecl (conn, decl, tree_to_cadillac_map[TREE_CODE (decl)]); |
| 339 | CWriteRequestBuffer (conn); |
| 340 | cadillac_process_requests (conn); |
| 341 | } |
| 342 | |
| 343 | void |
| 344 | cadillac_finish_decl (decl) |
| 345 | tree decl; |
| 346 | { |
| 347 | Connection *conn = cadillacObj.conn; |
| 348 | |
| 349 | if (context_stack) |
| 350 | switch (TREE_CODE (context_stack->context)) |
| 351 | { |
| 352 | case FUNCTION_DECL: |
| 353 | return; |
| 354 | case RECORD_TYPE: |
| 355 | case UNION_TYPE: |
| 356 | cadillac_printf ("end class-level decl", IDENTIFIER_POINTER (DECL_NAME (decl))); |
| 357 | CWriteHeader (conn, EndDefMType, 0); |
| 358 | CWriteLength (conn); |
| 359 | break; |
| 360 | default: |
| 361 | my_friendly_abort (26); |
| 362 | } |
| 363 | else |
| 364 | { |
| 365 | cadillac_printf ("end top-level decl", IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))); |
| 366 | CWriteHeader (conn, EndDefMType, 0); |
| 367 | CWriteLength (conn); |
| 368 | CWriteTopLevel (conn, StopMType); |
| 369 | } |
| 370 | |
| 371 | CWriteRequestBuffer (conn); |
| 372 | cadillac_process_requests (conn); |
| 373 | } |
| 374 | |
| 375 | void |
| 376 | cadillac_start_function (fndecl) |
| 377 | tree fndecl; |
| 378 | { |
| 379 | Connection *conn = cadillacObj.conn; |
| 380 | |
| 381 | if (context_stack) |
| 382 | /* nested functions not yet handled. */ |
| 383 | my_friendly_abort (27); |
| 384 | |
| 385 | cadillac_printf ("start top-level function", lang_printable_name (fndecl)); |
| 386 | context_stack = push_context_level (context_stack, &cadillac_obstack); |
| 387 | context_stack->context = fndecl; |
| 388 | |
| 389 | CWriteTopLevel (conn, StartMType); |
| 390 | my_friendly_assert (TREE_CODE (fndecl) == FUNCTION_DECL, 202); |
| 391 | CWriteLanguageDecl (conn, fndecl, |
| 392 | (TREE_CODE (TREE_TYPE (fndecl)) == METHOD_TYPE |
| 393 | ? MemberFnOType : FunctionOType)); |
| 394 | CWriteRequestBuffer (conn); |
| 395 | cadillac_process_requests (conn); |
| 396 | } |
| 397 | |
| 398 | void |
| 399 | cadillac_finish_function (fndecl) |
| 400 | tree fndecl; |
| 401 | { |
| 402 | Connection *conn = cadillacObj.conn; |
| 403 | |
| 404 | cadillac_printf ("end top-level function", lang_printable_name (fndecl)); |
| 405 | context_stack = pop_context_level (context_stack); |
| 406 | |
| 407 | if (context_stack) |
| 408 | /* nested functions not yet implemented. */ |
| 409 | my_friendly_abort (28); |
| 410 | |
| 411 | CWriteHeader (conn, EndDefMType, 0); |
| 412 | CWriteLength (conn); |
| 413 | CWriteTopLevel (conn, StopMType); |
| 414 | CWriteRequestBuffer (conn); |
| 415 | cadillac_process_requests (conn); |
| 416 | } |
| 417 | |
| 418 | void |
| 419 | cadillac_finish_anon_union (decl) |
| 420 | tree decl; |
| 421 | { |
| 422 | Connection *conn = cadillacObj.conn; |
| 423 | |
| 424 | if (! global_bindings_p ()) |
| 425 | return; |
| 426 | cadillac_printf ("finish top-level anon union", ""); |
| 427 | CWriteHeader (conn, EndDefMType, 0); |
| 428 | CWriteLength (conn); |
| 429 | CWriteTopLevel (conn, StopMType); |
| 430 | CWriteRequestBuffer (conn); |
| 431 | cadillac_process_requests (conn); |
| 432 | } |
| 433 | |
| 434 | void |
| 435 | cadillac_start_enum (type) |
| 436 | tree type; |
| 437 | { |
| 438 | Connection *conn = cadillacObj.conn; |
| 439 | |
| 440 | tree name = TYPE_NAME (type); |
| 441 | |
| 442 | if (TREE_CODE (name) == TYPE_DECL) |
| 443 | name = DECL_NAME (name); |
| 444 | |
| 445 | if (context_stack) |
| 446 | switch (TREE_CODE (context_stack->context)) |
| 447 | { |
| 448 | case FUNCTION_DECL: |
| 449 | return; |
| 450 | case RECORD_TYPE: |
| 451 | case UNION_TYPE: |
| 452 | break; |
| 453 | default: |
| 454 | my_friendly_abort (29); |
| 455 | } |
| 456 | else |
| 457 | { |
| 458 | cadillac_printf ("start top-level enum", IDENTIFIER_POINTER (name)); |
| 459 | CWriteTopLevel (conn, StartMType); |
| 460 | } |
| 461 | |
| 462 | CWriteLanguageType (conn, type, tree_to_cadillac_map[ENUMERAL_TYPE]); |
| 463 | } |
| 464 | |
| 465 | void |
| 466 | cadillac_finish_enum (type) |
| 467 | tree type; |
| 468 | { |
| 469 | Connection *conn = cadillacObj.conn; |
| 470 | tree name = TYPE_NAME (type); |
| 471 | |
| 472 | if (TREE_CODE (name) == TYPE_DECL) |
| 473 | name = DECL_NAME (name); |
| 474 | |
| 475 | if (context_stack) |
| 476 | switch (TREE_CODE (context_stack->context)) |
| 477 | { |
| 478 | case FUNCTION_DECL: |
| 479 | return; |
| 480 | case RECORD_TYPE: |
| 481 | case UNION_TYPE: |
| 482 | CWriteHeader (conn, EndDefMType, 0); |
| 483 | CWriteLength (conn); |
| 484 | break; |
| 485 | default: |
| 486 | my_friendly_abort (30); |
| 487 | } |
| 488 | else |
| 489 | { |
| 490 | CWriteHeader (conn, EndDefMType, 0); |
| 491 | CWriteLength (conn); |
| 492 | cadillac_printf ("finish top-level enum", IDENTIFIER_POINTER (name)); |
| 493 | CWriteTopLevel (conn, StopMType); |
| 494 | } |
| 495 | |
| 496 | CWriteRequestBuffer (conn); |
| 497 | cadillac_process_requests (conn); |
| 498 | } |
| 499 | |
| 500 | void |
| 501 | cadillac_start_struct (type) |
| 502 | tree type; |
| 503 | { |
| 504 | Connection *conn = cadillacObj.conn; |
| 505 | tree name = TYPE_NAME (type); |
| 506 | |
| 507 | if (TREE_CODE (name) == TYPE_DECL) |
| 508 | name = DECL_NAME (name); |
| 509 | |
| 510 | if (context_stack) |
| 511 | switch (TREE_CODE (context_stack->context)) |
| 512 | { |
| 513 | case FUNCTION_DECL: |
| 514 | return; |
| 515 | case RECORD_TYPE: |
| 516 | case UNION_TYPE: |
| 517 | return; |
| 518 | default: |
| 519 | my_friendly_abort (31); |
| 520 | } |
| 521 | else |
| 522 | { |
| 523 | cadillac_printf ("start struct", IDENTIFIER_POINTER (name)); |
| 524 | CWriteTopLevel (conn, StartMType); |
| 525 | } |
| 526 | |
| 527 | context_stack = push_context_level (context_stack, &cadillac_obstack); |
| 528 | context_stack->context = type; |
| 529 | |
| 530 | CWriteLanguageType (conn, type, |
| 531 | TYPE_LANG_SPECIFIC (type) && CLASSTYPE_DECLARED_CLASS (type) ? ClassOType : tree_to_cadillac_map[TREE_CODE (type)]); |
| 532 | } |
| 533 | |
| 534 | void |
| 535 | cadillac_finish_struct (type) |
| 536 | tree type; |
| 537 | { |
| 538 | Connection *conn = cadillacObj.conn; |
| 539 | tree name = TYPE_NAME (type); |
| 540 | |
| 541 | if (TREE_CODE (name) == TYPE_DECL) |
| 542 | name = DECL_NAME (name); |
| 543 | |
| 544 | context_stack = pop_context_level (context_stack); |
| 545 | if (context_stack) |
| 546 | return; |
| 547 | |
| 548 | cadillac_printf ("finish struct", IDENTIFIER_POINTER (name)); |
| 549 | CWriteHeader (conn, EndDefMType, 0); |
| 550 | CWriteLength (conn); |
| 551 | CWriteTopLevel (conn, StopMType); |
| 552 | CWriteRequestBuffer (conn); |
| 553 | cadillac_process_requests (conn); |
| 554 | } |
| 555 | |
| 556 | void |
| 557 | cadillac_finish_exception (type) |
| 558 | tree type; |
| 559 | { |
| 560 | Connection *conn = cadillacObj.conn; |
| 561 | |
| 562 | fatal ("cadillac_finish_exception"); |
| 563 | CWriteHeader (conn, EndDefMType, 0); |
| 564 | CWriteLength (conn); |
| 565 | CWriteTopLevel (conn, StopMType); |
| 566 | CWriteRequestBuffer (conn); |
| 567 | cadillac_process_requests (conn); |
| 568 | } |
| 569 | |
| 570 | void |
| 571 | cadillac_push_class (type) |
| 572 | tree type; |
| 573 | { |
| 574 | } |
| 575 | |
| 576 | void |
| 577 | cadillac_pop_class () |
| 578 | { |
| 579 | } |
| 580 | |
| 581 | void |
| 582 | cadillac_push_lang (name) |
| 583 | tree name; |
| 584 | { |
| 585 | Connection *conn = cadillacObj.conn; |
| 586 | CLinkLanguageType m; |
| 587 | |
| 588 | if (name == lang_name_cplusplus) |
| 589 | m = LinkCPlus; |
| 590 | else if (name == lang_name_c) |
| 591 | m = LinkC; |
| 592 | else |
| 593 | my_friendly_abort (32); |
| 594 | CWriteHeader (conn, ForeignLinkageMType, m); |
| 595 | CWriteRequestBuffer (conn); |
| 596 | cadillac_process_requests (conn); |
| 597 | } |
| 598 | |
| 599 | void |
| 600 | cadillac_pop_lang () |
| 601 | { |
| 602 | Connection *conn = cadillacObj.conn; |
| 603 | |
| 604 | CWriteHeader (conn, ForeignLinkageMType, LinkPop); |
| 605 | CWriteRequestBuffer (conn); |
| 606 | cadillac_process_requests (conn); |
| 607 | } |
| 608 | |
| 609 | void |
| 610 | cadillac_finish_stmt () |
| 611 | { |
| 612 | } |
| 613 | \f |
| 614 | void |
| 615 | cadillac_note_source () |
| 616 | { |
| 617 | cadillacObj.lineno = lineno; |
| 618 | cadillacObj.filename = input_filename; |
| 619 | } |
| 620 | |
| 621 | static void |
| 622 | CWriteTopLevel (conn, m) |
| 623 | Connection *conn; |
| 624 | CMessageSubType m; |
| 625 | { |
| 626 | static context_id = 0; |
| 627 | CWriteHeader (conn, TopLevelFormMType, m); |
| 628 | cadillac_note_filepos (); |
| 629 | |
| 630 | /* Eventually, this will point somewhere into the digest file. */ |
| 631 | context_id += 1; |
| 632 | CWriteSomething (conn, &context_id, sizeof (BITS32)); |
| 633 | |
| 634 | CWriteSomething (conn, &cadillacObj.iflevel, sizeof (BITS32)); |
| 635 | CWriteLength (conn); |
| 636 | } |
| 637 | |
| 638 | static void |
| 639 | cadillac_note_filepos () |
| 640 | { |
| 641 | extern FILE *finput; |
| 642 | int pos = ftell (finput); |
| 643 | CWriteSomething (cadillacObj.conn, &pos, sizeof (BITS32)); |
| 644 | } |
| 645 | |
| 646 | void |
| 647 | cadillac_switch_source (startflag) |
| 648 | int startflag; |
| 649 | { |
| 650 | Connection *conn = cadillacObj.conn; |
| 651 | /* Send out the name of the source file being compiled. */ |
| 652 | |
| 653 | CWriteHeader (conn, SourceFileMType, startflag ? StartMType : StopMType); |
| 654 | CWriteSomething (conn, &cadillacObj.depth, sizeof (BITS16)); |
| 655 | CWriteVstring0 (conn, input_filename); |
| 656 | CWriteLength (conn); |
| 657 | CWriteRequestBuffer (conn); |
| 658 | cadillac_process_requests (conn); |
| 659 | } |
| 660 | |
| 661 | void |
| 662 | cadillac_push_source () |
| 663 | { |
| 664 | cadillacObj.depth += 1; |
| 665 | cadillac_switch_source (1); |
| 666 | } |
| 667 | |
| 668 | void |
| 669 | cadillac_pop_source () |
| 670 | { |
| 671 | cadillacObj.depth -= 1; |
| 672 | cadillac_switch_source (0); |
| 673 | } |
| 674 | |
| 675 | struct cadillac_mdep |
| 676 | { |
| 677 | short object_type; |
| 678 | char linkage; |
| 679 | char access; |
| 680 | short length; |
| 681 | }; |
| 682 | |
| 683 | static void |
| 684 | CWriteLanguageElem (conn, p, name) |
| 685 | Connection *conn; |
| 686 | struct cadillac_mdep *p; |
| 687 | char *name; |
| 688 | { |
| 689 | CWriteSomething (conn, &p->object_type, sizeof (BITS16)); |
| 690 | CWriteSomething (conn, &p->linkage, sizeof (BITS8)); |
| 691 | CWriteSomething (conn, &p->access, sizeof (BITS8)); |
| 692 | CWriteSomething (conn, &p->length, sizeof (BITS16)); |
| 693 | CWriteVstring0 (conn, name); |
| 694 | |
| 695 | #if 0 |
| 696 | /* Don't write date_type. */ |
| 697 | CWriteVstring0 (conn, ""); |
| 698 | #endif |
| 699 | CWriteLength (conn); |
| 700 | } |
| 701 | |
| 702 | static void |
| 703 | CWriteLanguageDecl (conn, decl, object_type) |
| 704 | Connection *conn; |
| 705 | tree decl; |
| 706 | CObjectType object_type; |
| 707 | { |
| 708 | struct cadillac_mdep foo; |
| 709 | tree name; |
| 710 | |
| 711 | CWriteHeader (conn, LanguageElementMType, StartDefineMType); |
| 712 | foo.object_type = object_type; |
| 713 | if (decl_type_context (decl)) |
| 714 | { |
| 715 | foo.linkage = ParentLinkage; |
| 716 | if (TREE_PRIVATE (decl)) |
| 717 | foo.access = PrivateAccess; |
| 718 | else if (TREE_PROTECTED (decl)) |
| 719 | foo.access = ProtectedAccess; |
| 720 | else |
| 721 | foo.access = PublicAccess; |
| 722 | } |
| 723 | else |
| 724 | { |
| 725 | if (TREE_PUBLIC (decl)) |
| 726 | foo.linkage = GlobalLinkage; |
| 727 | else |
| 728 | foo.linkage = FileLinkage; |
| 729 | foo.access = PublicAccess; |
| 730 | } |
| 731 | name = DECL_NAME (decl); |
| 732 | foo.length = IDENTIFIER_LENGTH (name); |
| 733 | |
| 734 | CWriteLanguageElem (conn, &foo, IDENTIFIER_POINTER (name)); |
| 735 | CWriteRequestBuffer (conn); |
| 736 | cadillac_process_requests (conn); |
| 737 | } |
| 738 | |
| 739 | static void |
| 740 | CWriteLanguageType (conn, type, object_type) |
| 741 | Connection *conn; |
| 742 | tree type; |
| 743 | CObjectType object_type; |
| 744 | { |
| 745 | struct cadillac_mdep foo; |
| 746 | tree name = TYPE_NAME (type); |
| 747 | |
| 748 | CWriteHeader (conn, LanguageElementMType, StartDefineMType); |
| 749 | foo.object_type = object_type; |
| 750 | if (current_class_type) |
| 751 | { |
| 752 | foo.linkage = ParentLinkage; |
| 753 | if (TREE_PRIVATE (type)) |
| 754 | foo.access = PrivateAccess; |
| 755 | else if (TREE_PROTECTED (type)) |
| 756 | foo.access = ProtectedAccess; |
| 757 | else |
| 758 | foo.access = PublicAccess; |
| 759 | } |
| 760 | else |
| 761 | { |
| 762 | foo.linkage = NoLinkage; |
| 763 | foo.access = PublicAccess; |
| 764 | } |
| 765 | if (TREE_CODE (name) == TYPE_DECL) |
| 766 | name = DECL_NAME (name); |
| 767 | |
| 768 | foo.length = IDENTIFIER_LENGTH (name); |
| 769 | |
| 770 | CWriteLanguageElem (conn, &foo, IDENTIFIER_POINTER (name)); |
| 771 | CWriteRequestBuffer (conn); |
| 772 | cadillac_process_requests (conn); |
| 773 | } |
| 774 | |
| 775 | static void |
| 776 | CWriteUseObject (conn, type, object_type, use) |
| 777 | Connection *conn; |
| 778 | tree type; |
| 779 | CObjectType object_type; |
| 780 | CMessageSubType use; |
| 781 | { |
| 782 | struct cadillac_mdep foo; |
| 783 | tree name = NULL_TREE; |
| 784 | |
| 785 | CWriteHeader (conn, LanguageElementMType, use); |
| 786 | foo.object_type = object_type; |
| 787 | if (current_class_type) |
| 788 | { |
| 789 | foo.linkage = ParentLinkage; |
| 790 | if (TREE_PRIVATE (type)) |
| 791 | foo.access = PrivateAccess; |
| 792 | else if (TREE_PROTECTED (type)) |
| 793 | foo.access = ProtectedAccess; |
| 794 | else |
| 795 | foo.access = PublicAccess; |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | foo.linkage = NoLinkage; |
| 800 | foo.access = PublicAccess; |
| 801 | } |
| 802 | switch (TREE_CODE (type)) |
| 803 | { |
| 804 | case VAR_DECL: |
| 805 | case FIELD_DECL: |
| 806 | case TYPE_DECL: |
| 807 | case CONST_DECL: |
| 808 | case FUNCTION_DECL: |
| 809 | name = DECL_NAME (type); |
| 810 | break; |
| 811 | |
| 812 | default: |
| 813 | my_friendly_abort (33); |
| 814 | } |
| 815 | |
| 816 | foo.length = IDENTIFIER_LENGTH (name); |
| 817 | |
| 818 | CWriteLanguageElem (conn, &foo, IDENTIFIER_POINTER (name)); |
| 819 | CWriteRequestBuffer (conn); |
| 820 | cadillac_process_requests (conn); |
| 821 | } |
| 822 | \f |
| 823 | /* Here's how we exit under cadillac. */ |
| 824 | |
| 825 | static void |
| 826 | exit_cadillac () |
| 827 | { |
| 828 | extern int errorcount; |
| 829 | |
| 830 | Connection *conn = cadillacObj.conn; |
| 831 | |
| 832 | if (flag_cadillac) |
| 833 | { |
| 834 | CCompilerMessage *req; |
| 835 | |
| 836 | CWriteHeader (conn, FinishedMType, |
| 837 | errorcount ? 0 : CsObjectWritten | CsComplete); |
| 838 | /* Bye, bye! */ |
| 839 | CWriteRequestBuffer (conn); |
| 840 | |
| 841 | /* Block on read. */ |
| 842 | while (! readable_p (cadillacObj.fd_input)) |
| 843 | { |
| 844 | if (exiting) |
| 845 | my_friendly_abort (34); |
| 846 | exiting = 1; |
| 847 | } |
| 848 | exiting = 1; |
| 849 | |
| 850 | req = CReadCompilerMessage (conn); |
| 851 | cadillac_process_request (&cadillacObj, req); |
| 852 | } |
| 853 | } |
| 854 | |
| 855 | #else |
| 856 | /* Stubs. */ |
| 857 | void init_cadillac () {} |
| 858 | void cadillac_start () {} |
| 859 | void cadillac_start_decl (decl) |
| 860 | tree decl; |
| 861 | {} |
| 862 | void |
| 863 | cadillac_finish_decl (decl) |
| 864 | tree decl; |
| 865 | {} |
| 866 | void |
| 867 | cadillac_start_function (fndecl) |
| 868 | tree fndecl; |
| 869 | {} |
| 870 | void |
| 871 | cadillac_finish_function (fndecl) |
| 872 | tree fndecl; |
| 873 | {} |
| 874 | void |
| 875 | cadillac_finish_anon_union (decl) |
| 876 | tree decl; |
| 877 | {} |
| 878 | void |
| 879 | cadillac_start_enum (type) |
| 880 | tree type; |
| 881 | {} |
| 882 | void |
| 883 | cadillac_finish_enum (type) |
| 884 | tree type; |
| 885 | {} |
| 886 | void |
| 887 | cadillac_start_struct (type) |
| 888 | tree type; |
| 889 | {} |
| 890 | void |
| 891 | cadillac_finish_struct (type) |
| 892 | tree type; |
| 893 | {} |
| 894 | void |
| 895 | cadillac_finish_exception (type) |
| 896 | tree type; |
| 897 | {} |
| 898 | void |
| 899 | cadillac_push_class (type) |
| 900 | tree type; |
| 901 | {} |
| 902 | void |
| 903 | cadillac_pop_class () |
| 904 | {} |
| 905 | void |
| 906 | cadillac_push_lang (name) |
| 907 | tree name; |
| 908 | {} |
| 909 | void |
| 910 | cadillac_pop_lang () |
| 911 | {} |
| 912 | void |
| 913 | cadillac_note_source () |
| 914 | {} |
| 915 | void |
| 916 | cadillac_finish_stmt () |
| 917 | {} |
| 918 | void |
| 919 | cadillac_switch_source () |
| 920 | {} |
| 921 | void |
| 922 | cadillac_push_source () |
| 923 | {} |
| 924 | void |
| 925 | cadillac_pop_source () |
| 926 | {} |
| 927 | #endif |