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wer: Add new stubbed wer.dll.
[wine/hramrach.git] / tools / widl / typegen.c
blob8541c5a9c1bc95e449b14681fb3e6b80fc8c1494
1 /*
2 * Format String Generator for IDL Compiler
3 *
4 * Copyright 2005-2006 Eric Kohl
5 * Copyright 2005-2006 Robert Shearman
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library 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 GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #ifdef HAVE_UNISTD_H
28 # include <unistd.h>
29 #endif
30 #include <string.h>
31 #include <assert.h>
32 #include <ctype.h>
33 #include <limits.h>
34
35 #include "widl.h"
36 #include "utils.h"
37 #include "parser.h"
38 #include "header.h"
39 #include "typetree.h"
40
41 #include "typegen.h"
42 #include "expr.h"
43
44 /* round size up to multiple of alignment */
45 #define ROUND_SIZE(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))
46 /* value to add on to round size up to a multiple of alignment */
47 #define ROUNDING(size, alignment) (((alignment) - 1) - (((size) + ((alignment) - 1)) & ((alignment) - 1)))
48
49 static const type_t *current_structure;
50 static const type_t *current_iface;
51
52 static struct list expr_eval_routines = LIST_INIT(expr_eval_routines);
53 struct expr_eval_routine
54 {
55 struct list entry;
56 const type_t *structure;
57 unsigned int baseoff;
58 const expr_t *expr;
59 };
60
61 enum type_context
62 {
63 TYPE_CONTEXT_TOPLEVELPARAM,
64 TYPE_CONTEXT_PARAM,
65 TYPE_CONTEXT_CONTAINER,
66 TYPE_CONTEXT_CONTAINER_NO_POINTERS,
67 };
68
69 static unsigned int field_memsize(const type_t *type, unsigned int *offset);
70 static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align);
71 static unsigned int type_memsize_and_alignment(const type_t *t, unsigned int *align);
72 static unsigned int write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff);
73 static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
74 const char *name, int write_ptr, unsigned int *tfsoff);
75 static const var_t *find_array_or_string_in_struct(const type_t *type);
76 static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
77 type_t *type, int toplevel_param,
78 const char *name, unsigned int *typestring_offset);
79
80 static const char *string_of_type(unsigned char type)
81 {
82 switch (type)
83 {
84 case RPC_FC_BYTE: return "FC_BYTE";
85 case RPC_FC_CHAR: return "FC_CHAR";
86 case RPC_FC_SMALL: return "FC_SMALL";
87 case RPC_FC_USMALL: return "FC_USMALL";
88 case RPC_FC_WCHAR: return "FC_WCHAR";
89 case RPC_FC_SHORT: return "FC_SHORT";
90 case RPC_FC_USHORT: return "FC_USHORT";
91 case RPC_FC_LONG: return "FC_LONG";
92 case RPC_FC_ULONG: return "FC_ULONG";
93 case RPC_FC_FLOAT: return "FC_FLOAT";
94 case RPC_FC_HYPER: return "FC_HYPER";
95 case RPC_FC_DOUBLE: return "FC_DOUBLE";
96 case RPC_FC_ENUM16: return "FC_ENUM16";
97 case RPC_FC_ENUM32: return "FC_ENUM32";
98 case RPC_FC_IGNORE: return "FC_IGNORE";
99 case RPC_FC_ERROR_STATUS_T: return "FC_ERROR_STATUS_T";
100 case RPC_FC_RP: return "FC_RP";
101 case RPC_FC_UP: return "FC_UP";
102 case RPC_FC_OP: return "FC_OP";
103 case RPC_FC_FP: return "FC_FP";
104 case RPC_FC_ENCAPSULATED_UNION: return "FC_ENCAPSULATED_UNION";
105 case RPC_FC_NON_ENCAPSULATED_UNION: return "FC_NON_ENCAPSULATED_UNION";
106 case RPC_FC_STRUCT: return "FC_STRUCT";
107 case RPC_FC_PSTRUCT: return "FC_PSTRUCT";
108 case RPC_FC_CSTRUCT: return "FC_CSTRUCT";
109 case RPC_FC_CPSTRUCT: return "FC_CPSTRUCT";
110 case RPC_FC_CVSTRUCT: return "FC_CVSTRUCT";
111 case RPC_FC_BOGUS_STRUCT: return "FC_BOGUS_STRUCT";
112 case RPC_FC_SMFARRAY: return "FC_SMFARRAY";
113 case RPC_FC_LGFARRAY: return "FC_LGFARRAY";
114 case RPC_FC_SMVARRAY: return "FC_SMVARRAY";
115 case RPC_FC_LGVARRAY: return "FC_LGVARRAY";
116 case RPC_FC_CARRAY: return "FC_CARRAY";
117 case RPC_FC_CVARRAY: return "FC_CVARRAY";
118 case RPC_FC_BOGUS_ARRAY: return "FC_BOGUS_ARRAY";
119 case RPC_FC_ALIGNM2: return "FC_ALIGNM2";
120 case RPC_FC_ALIGNM4: return "FC_ALIGNM4";
121 case RPC_FC_ALIGNM8: return "FC_ALIGNM8";
122 case RPC_FC_POINTER: return "FC_POINTER";
123 case RPC_FC_C_CSTRING: return "FC_C_CSTRING";
124 case RPC_FC_C_WSTRING: return "FC_C_WSTRING";
125 case RPC_FC_CSTRING: return "FC_CSTRING";
126 case RPC_FC_WSTRING: return "FC_WSTRING";
127 case RPC_FC_BYTE_COUNT_POINTER: return "FC_BYTE_COUNT_POINTER";
128 case RPC_FC_TRANSMIT_AS: return "FC_TRANSMIT_AS";
129 case RPC_FC_REPRESENT_AS: return "FC_REPRESENT_AS";
130 case RPC_FC_IP: return "FC_IP";
131 case RPC_FC_BIND_CONTEXT: return "FC_BIND_CONTEXT";
132 case RPC_FC_BIND_GENERIC: return "FC_BIND_GENERIC";
133 case RPC_FC_BIND_PRIMITIVE: return "FC_BIND_PRIMITIVE";
134 case RPC_FC_AUTO_HANDLE: return "FC_AUTO_HANDLE";
135 case RPC_FC_CALLBACK_HANDLE: return "FC_CALLBACK_HANDLE";
136 case RPC_FC_STRUCTPAD1: return "FC_STRUCTPAD1";
137 case RPC_FC_STRUCTPAD2: return "FC_STRUCTPAD2";
138 case RPC_FC_STRUCTPAD3: return "FC_STRUCTPAD3";
139 case RPC_FC_STRUCTPAD4: return "FC_STRUCTPAD4";
140 case RPC_FC_STRUCTPAD5: return "FC_STRUCTPAD5";
141 case RPC_FC_STRUCTPAD6: return "FC_STRUCTPAD6";
142 case RPC_FC_STRUCTPAD7: return "FC_STRUCTPAD7";
143 case RPC_FC_STRING_SIZED: return "FC_STRING_SIZED";
144 case RPC_FC_NO_REPEAT: return "FC_NO_REPEAT";
145 case RPC_FC_FIXED_REPEAT: return "FC_FIXED_REPEAT";
146 case RPC_FC_VARIABLE_REPEAT: return "FC_VARIABLE_REPEAT";
147 case RPC_FC_FIXED_OFFSET: return "FC_FIXED_OFFSET";
148 case RPC_FC_VARIABLE_OFFSET: return "FC_VARIABLE_OFFSET";
149 case RPC_FC_PP: return "FC_PP";
150 case RPC_FC_EMBEDDED_COMPLEX: return "FC_EMBEDDED_COMPLEX";
151 case RPC_FC_DEREFERENCE: return "FC_DEREFERENCE";
152 case RPC_FC_DIV_2: return "FC_DIV_2";
153 case RPC_FC_MULT_2: return "FC_MULT_2";
154 case RPC_FC_ADD_1: return "FC_ADD_1";
155 case RPC_FC_SUB_1: return "FC_SUB_1";
156 case RPC_FC_CALLBACK: return "FC_CALLBACK";
157 case RPC_FC_CONSTANT_IID: return "FC_CONSTANT_IID";
158 case RPC_FC_END: return "FC_END";
159 case RPC_FC_PAD: return "FC_PAD";
160 case RPC_FC_USER_MARSHAL: return "FC_USER_MARSHAL";
161 case RPC_FC_RANGE: return "FC_RANGE";
162 case RPC_FC_INT3264: return "FC_INT3264";
163 case RPC_FC_UINT3264: return "FC_UINT3264";
164 default:
165 error("string_of_type: unknown type 0x%02x\n", type);
166 return NULL;
167 }
168 }
169
170 static void *get_aliaschain_attrp(const type_t *type, enum attr_type attr)
171 {
172 const type_t *t = type;
173 for (;;)
174 {
175 if (is_attr(t->attrs, attr))
176 return get_attrp(t->attrs, attr);
177 else if (type_is_alias(t))
178 t = type_alias_get_aliasee(t);
179 else return NULL;
180 }
181 }
182
183 unsigned char get_basic_fc(const type_t *type)
184 {
185 int sign = type_basic_get_sign(type);
186 switch (type_basic_get_type(type))
187 {
188 case TYPE_BASIC_INT8: return (sign <= 0 ? RPC_FC_SMALL : RPC_FC_USMALL);
189 case TYPE_BASIC_INT16: return (sign <= 0 ? RPC_FC_SHORT : RPC_FC_USHORT);
190 case TYPE_BASIC_INT32: return (sign <= 0 ? RPC_FC_LONG : RPC_FC_ULONG);
191 case TYPE_BASIC_INT64: return RPC_FC_HYPER;
192 case TYPE_BASIC_INT: return (sign <= 0 ? RPC_FC_LONG : RPC_FC_ULONG);
193 case TYPE_BASIC_INT3264: return (sign <= 0 ? RPC_FC_INT3264 : RPC_FC_UINT3264);
194 case TYPE_BASIC_BYTE: return RPC_FC_BYTE;
195 case TYPE_BASIC_CHAR: return RPC_FC_CHAR;
196 case TYPE_BASIC_WCHAR: return RPC_FC_WCHAR;
197 case TYPE_BASIC_HYPER: return RPC_FC_HYPER;
198 case TYPE_BASIC_FLOAT: return RPC_FC_FLOAT;
199 case TYPE_BASIC_DOUBLE: return RPC_FC_DOUBLE;
200 case TYPE_BASIC_ERROR_STATUS_T: return RPC_FC_ERROR_STATUS_T;
201 case TYPE_BASIC_HANDLE: return RPC_FC_BIND_PRIMITIVE;
202 }
203 return 0;
204 }
205
206 static inline unsigned int clamp_align(unsigned int align)
207 {
208 unsigned int packing = (pointer_size == 4) ? win32_packing : win64_packing;
209 if(align > packing) align = packing;
210 return align;
211 }
212
213 unsigned char get_pointer_fc(const type_t *type, const attr_list_t *attrs, int toplevel_param)
214 {
215 const type_t *t;
216 int pointer_type;
217
218 assert(is_ptr(type) || is_array(type));
219
220 pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
221 if (pointer_type)
222 return pointer_type;
223
224 for (t = type; type_is_alias(t); t = type_alias_get_aliasee(t))
225 {
226 pointer_type = get_attrv(t->attrs, ATTR_POINTERTYPE);
227 if (pointer_type)
228 return pointer_type;
229 }
230
231 if (toplevel_param)
232 return RPC_FC_RP;
233 else if (is_ptr(type))
234 return type_pointer_get_default_fc(type);
235 else
236 return type_array_get_ptr_default_fc(type);
237 }
238
239 static unsigned char get_enum_fc(const type_t *type)
240 {
241 assert(type_get_type(type) == TYPE_ENUM);
242 if (is_aliaschain_attr(type, ATTR_V1ENUM))
243 return RPC_FC_ENUM32;
244 else
245 return RPC_FC_ENUM16;
246 }
247
248 static type_t *get_user_type(const type_t *t, const char **pname)
249 {
250 for (;;)
251 {
252 type_t *ut = get_attrp(t->attrs, ATTR_WIREMARSHAL);
253 if (ut)
254 {
255 if (pname)
256 *pname = t->name;
257 return ut;
258 }
259
260 if (type_is_alias(t))
261 t = type_alias_get_aliasee(t);
262 else
263 return NULL;
264 }
265 }
266
267 static int is_user_type(const type_t *t)
268 {
269 return get_user_type(t, NULL) != NULL;
270 }
271
272 enum typegen_type typegen_detect_type(const type_t *type, const attr_list_t *attrs, unsigned int flags)
273 {
274 if (is_user_type(type))
275 return TGT_USER_TYPE;
276
277 if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE))
278 return TGT_CTXT_HANDLE;
279
280 if (!(flags & TDT_IGNORE_STRINGS) && is_string_type(attrs, type))
281 return TGT_STRING;
282
283 switch (type_get_type(type))
284 {
285 case TYPE_BASIC:
286 if (!(flags & TDT_IGNORE_RANGES) &&
287 (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE)))
288 return TGT_RANGE;
289 return TGT_BASIC;
290 case TYPE_ENUM:
291 if (!(flags & TDT_IGNORE_RANGES) &&
292 (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE)))
293 return TGT_RANGE;
294 return TGT_ENUM;
295 case TYPE_POINTER:
296 if (type_get_type(type_pointer_get_ref(type)) == TYPE_INTERFACE ||
297 (type_get_type(type_pointer_get_ref(type)) == TYPE_VOID && is_attr(attrs, ATTR_IIDIS)))
298 return TGT_IFACE_POINTER;
299 else if (is_aliaschain_attr(type_pointer_get_ref(type), ATTR_CONTEXTHANDLE))
300 return TGT_CTXT_HANDLE_POINTER;
301 else
302 return TGT_POINTER;
303 case TYPE_STRUCT:
304 return TGT_STRUCT;
305 case TYPE_ENCAPSULATED_UNION:
306 case TYPE_UNION:
307 return TGT_UNION;
308 case TYPE_ARRAY:
309 return TGT_ARRAY;
310 case TYPE_FUNCTION:
311 case TYPE_COCLASS:
312 case TYPE_INTERFACE:
313 case TYPE_MODULE:
314 case TYPE_VOID:
315 case TYPE_ALIAS:
316 case TYPE_BITFIELD:
317 break;
318 }
319 return TGT_INVALID;
320 }
321
322 static int get_padding(const var_list_t *fields)
323 {
324 unsigned short offset = 0;
325 unsigned int salign = 1;
326 const var_t *f;
327
328 if (!fields)
329 return 0;
330
331 LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
332 {
333 type_t *ft = f->type;
334 unsigned int align = 0;
335 unsigned int size = type_memsize_and_alignment(ft, &align);
336 align = clamp_align(align);
337 if (align > salign) salign = align;
338 offset = ROUND_SIZE(offset, align);
339 offset += size;
340 }
341
342 return ROUNDING(offset, salign);
343 }
344
345 unsigned char get_struct_fc(const type_t *type)
346 {
347 int has_pointer = 0;
348 int has_conformance = 0;
349 int has_variance = 0;
350 var_t *field;
351 var_list_t *fields;
352
353 fields = type_struct_get_fields(type);
354
355 if (get_padding(fields))
356 return RPC_FC_BOGUS_STRUCT;
357
358 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
359 {
360 type_t *t = field->type;
361 enum typegen_type typegen_type;
362
363 typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
364
365 if (typegen_type == TGT_ARRAY && !type_array_is_decl_as_ptr(t))
366 {
367 if (is_string_type(field->attrs, field->type))
368 {
369 if (is_conformant_array(t))
370 has_conformance = 1;
371 has_variance = 1;
372 continue;
373 }
374
375 if (is_array(type_array_get_element(field->type)))
376 return RPC_FC_BOGUS_STRUCT;
377
378 if (type_array_has_conformance(field->type))
379 {
380 has_conformance = 1;
381 if (list_next(fields, &field->entry))
382 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
383 field->name);
384 }
385 if (type_array_has_variance(t))
386 has_variance = 1;
387
388 t = type_array_get_element(t);
389 typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
390 }
391
392 switch (typegen_type)
393 {
394 case TGT_USER_TYPE:
395 case TGT_IFACE_POINTER:
396 return RPC_FC_BOGUS_STRUCT;
397 case TGT_BASIC:
398 if (type_basic_get_type(t) == TYPE_BASIC_INT3264 && pointer_size != 4)
399 return RPC_FC_BOGUS_STRUCT;
400 break;
401 case TGT_ENUM:
402 if (get_enum_fc(t) == RPC_FC_ENUM16)
403 return RPC_FC_BOGUS_STRUCT;
404 break;
405 case TGT_POINTER:
406 case TGT_ARRAY:
407 if (get_pointer_fc(t, field->attrs, FALSE) == RPC_FC_RP || pointer_size != 4)
408 return RPC_FC_BOGUS_STRUCT;
409 has_pointer = 1;
410 break;
411 case TGT_UNION:
412 return RPC_FC_BOGUS_STRUCT;
413 case TGT_STRUCT:
414 {
415 unsigned char fc = get_struct_fc(t);
416 switch (fc)
417 {
418 case RPC_FC_STRUCT:
419 break;
420 case RPC_FC_CVSTRUCT:
421 has_conformance = 1;
422 has_variance = 1;
423 has_pointer = 1;
424 break;
425
426 case RPC_FC_CPSTRUCT:
427 has_conformance = 1;
428 if (list_next( fields, &field->entry ))
429 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
430 field->name);
431 has_pointer = 1;
432 break;
433
434 case RPC_FC_CSTRUCT:
435 has_conformance = 1;
436 if (list_next( fields, &field->entry ))
437 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
438 field->name);
439 break;
440
441 case RPC_FC_PSTRUCT:
442 has_pointer = 1;
443 break;
444
445 default:
446 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, fc);
447 /* fallthru - treat it as complex */
448
449 /* as soon as we see one of these these members, it's bogus... */
450 case RPC_FC_BOGUS_STRUCT:
451 return RPC_FC_BOGUS_STRUCT;
452 }
453 break;
454 }
455 case TGT_RANGE:
456 return RPC_FC_BOGUS_STRUCT;
457 case TGT_STRING:
458 /* shouldn't get here because of TDT_IGNORE_STRINGS above. fall through */
459 case TGT_INVALID:
460 case TGT_CTXT_HANDLE:
461 case TGT_CTXT_HANDLE_POINTER:
462 /* checking after parsing should mean that we don't get here. if we do,
463 * it's a checker bug */
464 assert(0);
465 }
466 }
467
468 if( has_variance )
469 {
470 if ( has_conformance )
471 return RPC_FC_CVSTRUCT;
472 else
473 return RPC_FC_BOGUS_STRUCT;
474 }
475 if( has_conformance && has_pointer )
476 return RPC_FC_CPSTRUCT;
477 if( has_conformance )
478 return RPC_FC_CSTRUCT;
479 if( has_pointer )
480 return RPC_FC_PSTRUCT;
481 return RPC_FC_STRUCT;
482 }
483
484 static unsigned char get_array_fc(const type_t *type)
485 {
486 unsigned char fc;
487 const expr_t *size_is;
488 const type_t *elem_type;
489
490 elem_type = type_array_get_element(type);
491 size_is = type_array_get_conformance(type);
492
493 if (!size_is)
494 {
495 unsigned int size = type_memsize(elem_type);
496 if (size * type_array_get_dim(type) > 0xffffuL)
497 fc = RPC_FC_LGFARRAY;
498 else
499 fc = RPC_FC_SMFARRAY;
500 }
501 else
502 fc = RPC_FC_CARRAY;
503
504 if (type_array_has_variance(type))
505 {
506 if (fc == RPC_FC_SMFARRAY)
507 fc = RPC_FC_SMVARRAY;
508 else if (fc == RPC_FC_LGFARRAY)
509 fc = RPC_FC_LGVARRAY;
510 else if (fc == RPC_FC_CARRAY)
511 fc = RPC_FC_CVARRAY;
512 }
513
514 switch (typegen_detect_type(elem_type, NULL, TDT_IGNORE_STRINGS))
515 {
516 case TGT_USER_TYPE:
517 fc = RPC_FC_BOGUS_ARRAY;
518 break;
519 case TGT_BASIC:
520 if (type_basic_get_type(elem_type) == TYPE_BASIC_INT3264 &&
521 pointer_size != 4)
522 fc = RPC_FC_BOGUS_ARRAY;
523 break;
524 case TGT_STRUCT:
525 switch (get_struct_fc(elem_type))
526 {
527 case RPC_FC_BOGUS_STRUCT:
528 fc = RPC_FC_BOGUS_ARRAY;
529 break;
530 }
531 break;
532 case TGT_ENUM:
533 /* is 16-bit enum - if so, wire size differs from mem size and so
534 * the array cannot be block copied, which means the array is complex */
535 if (get_enum_fc(elem_type) == RPC_FC_ENUM16)
536 fc = RPC_FC_BOGUS_ARRAY;
537 break;
538 case TGT_UNION:
539 case TGT_IFACE_POINTER:
540 fc = RPC_FC_BOGUS_ARRAY;
541 break;
542 case TGT_POINTER:
543 /* ref pointers cannot just be block copied. unique pointers to
544 * interfaces need special treatment. either case means the array is
545 * complex */
546 if (get_pointer_fc(elem_type, NULL, FALSE) == RPC_FC_RP || pointer_size != 4)
547 fc = RPC_FC_BOGUS_ARRAY;
548 break;
549 case TGT_RANGE:
550 fc = RPC_FC_BOGUS_ARRAY;
551 break;
552 case TGT_CTXT_HANDLE:
553 case TGT_CTXT_HANDLE_POINTER:
554 case TGT_STRING:
555 case TGT_INVALID:
556 case TGT_ARRAY:
557 /* nothing to do for everything else */
558 break;
559 }
560
561 return fc;
562 }
563
564 static int is_non_complex_struct(const type_t *type)
565 {
566 return (type_get_type(type) == TYPE_STRUCT &&
567 get_struct_fc(type) != RPC_FC_BOGUS_STRUCT);
568 }
569
570 static int type_has_pointers(const type_t *type)
571 {
572 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
573 {
574 case TGT_USER_TYPE:
575 return FALSE;
576 case TGT_POINTER:
577 return TRUE;
578 case TGT_ARRAY:
579 return type_array_is_decl_as_ptr(type) || type_has_pointers(type_array_get_element(type));
580 case TGT_STRUCT:
581 {
582 var_list_t *fields = type_struct_get_fields(type);
583 const var_t *field;
584 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
585 {
586 if (type_has_pointers(field->type))
587 return TRUE;
588 }
589 break;
590 }
591 case TGT_UNION:
592 {
593 var_list_t *fields;
594 const var_t *field;
595 fields = type_union_get_cases(type);
596 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
597 {
598 if (field->type && type_has_pointers(field->type))
599 return TRUE;
600 }
601 break;
602 }
603 case TGT_CTXT_HANDLE:
604 case TGT_CTXT_HANDLE_POINTER:
605 case TGT_STRING:
606 case TGT_IFACE_POINTER:
607 case TGT_BASIC:
608 case TGT_ENUM:
609 case TGT_RANGE:
610 case TGT_INVALID:
611 break;
612 }
613
614 return FALSE;
615 }
616
617 static int type_has_full_pointer(const type_t *type, const attr_list_t *attrs,
618 int toplevel_param)
619 {
620 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
621 {
622 case TGT_USER_TYPE:
623 return FALSE;
624 case TGT_POINTER:
625 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_FP)
626 return TRUE;
627 else
628 return FALSE;
629 case TGT_ARRAY:
630 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_FP)
631 return TRUE;
632 else
633 return type_has_full_pointer(type_array_get_element(type), NULL, FALSE);
634 case TGT_STRUCT:
635 {
636 var_list_t *fields = type_struct_get_fields(type);
637 const var_t *field;
638 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
639 {
640 if (type_has_full_pointer(field->type, field->attrs, FALSE))
641 return TRUE;
642 }
643 break;
644 }
645 case TGT_UNION:
646 {
647 var_list_t *fields;
648 const var_t *field;
649 fields = type_union_get_cases(type);
650 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
651 {
652 if (field->type && type_has_full_pointer(field->type, field->attrs, FALSE))
653 return TRUE;
654 }
655 break;
656 }
657 case TGT_CTXT_HANDLE:
658 case TGT_CTXT_HANDLE_POINTER:
659 case TGT_STRING:
660 case TGT_IFACE_POINTER:
661 case TGT_BASIC:
662 case TGT_ENUM:
663 case TGT_RANGE:
664 case TGT_INVALID:
665 break;
666 }
667
668 return FALSE;
669 }
670
671 static unsigned short user_type_offset(const char *name)
672 {
673 user_type_t *ut;
674 unsigned short off = 0;
675 LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
676 {
677 if (strcmp(name, ut->name) == 0)
678 return off;
679 ++off;
680 }
681 error("user_type_offset: couldn't find type (%s)\n", name);
682 return 0;
683 }
684
685 static void update_tfsoff(type_t *type, unsigned int offset, FILE *file)
686 {
687 type->typestring_offset = offset;
688 if (file) type->tfswrite = FALSE;
689 }
690
691 static void guard_rec(type_t *type)
692 {
693 /* types that contain references to themselves (like a linked list),
694 need to be shielded from infinite recursion when writing embedded
695 types */
696 if (type->typestring_offset)
697 type->tfswrite = FALSE;
698 else
699 type->typestring_offset = 1;
700 }
701
702 static int is_embedded_complex(const type_t *type)
703 {
704 switch (typegen_detect_type(type, NULL, TDT_ALL_TYPES))
705 {
706 case TGT_USER_TYPE:
707 case TGT_STRUCT:
708 case TGT_UNION:
709 case TGT_ARRAY:
710 case TGT_IFACE_POINTER:
711 return TRUE;
712 default:
713 return FALSE;
714 }
715 }
716
717 static const char *get_context_handle_type_name(const type_t *type)
718 {
719 const type_t *t;
720 for (t = type;
721 is_ptr(t) || type_is_alias(t);
722 t = type_is_alias(t) ? type_alias_get_aliasee(t) : type_pointer_get_ref(t))
723 if (is_attr(t->attrs, ATTR_CONTEXTHANDLE))
724 return t->name;
725 assert(0);
726 return NULL;
727 }
728
729 #define WRITE_FCTYPE(file, fctype, typestring_offset) \
730 do { \
731 if (file) \
732 fprintf(file, "/* %2u */\n", typestring_offset); \
733 print_file((file), 2, "0x%02x, /* " #fctype " */\n", RPC_##fctype); \
734 } \
735 while (0)
736
737 static void print_file(FILE *file, int indent, const char *format, ...) __attribute__((format (printf, 3, 4)));
738 static void print_file(FILE *file, int indent, const char *format, ...)
739 {
740 va_list va;
741 va_start(va, format);
742 print(file, indent, format, va);
743 va_end(va);
744 }
745
746 void print(FILE *file, int indent, const char *format, va_list va)
747 {
748 if (file)
749 {
750 if (format[0] != '\n')
751 while (0 < indent--)
752 fprintf(file, " ");
753 vfprintf(file, format, va);
754 }
755 }
756
757
758 static void write_var_init(FILE *file, int indent, const type_t *t, const char *n, const char *local_var_prefix)
759 {
760 if (decl_indirect(t))
761 {
762 print_file(file, indent, "MIDL_memset(&%s%s, 0, sizeof(%s%s));\n",
763 local_var_prefix, n, local_var_prefix, n);
764 print_file(file, indent, "%s_p_%s = &%s%s;\n", local_var_prefix, n, local_var_prefix, n);
765 }
766 else if (is_ptr(t) || is_array(t))
767 print_file(file, indent, "%s%s = 0;\n", local_var_prefix, n);
768 }
769
770 void write_parameters_init(FILE *file, int indent, const var_t *func, const char *local_var_prefix)
771 {
772 const var_t *var;
773
774 if (!is_void(type_function_get_rettype(func->type)))
775 write_var_init(file, indent, type_function_get_rettype(func->type), "_RetVal", local_var_prefix);
776
777 if (!type_get_function_args(func->type))
778 return;
779
780 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
781 write_var_init(file, indent, var->type, var->name, local_var_prefix);
782
783 fprintf(file, "\n");
784 }
785
786 static void write_formatdesc(FILE *f, int indent, const char *str)
787 {
788 print_file(f, indent, "typedef struct _MIDL_%s_FORMAT_STRING\n", str);
789 print_file(f, indent, "{\n");
790 print_file(f, indent + 1, "short Pad;\n");
791 print_file(f, indent + 1, "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
792 print_file(f, indent, "} MIDL_%s_FORMAT_STRING;\n", str);
793 print_file(f, indent, "\n");
794 }
795
796 void write_formatstringsdecl(FILE *f, int indent, const statement_list_t *stmts, type_pred_t pred)
797 {
798 clear_all_offsets();
799
800 print_file(f, indent, "#define TYPE_FORMAT_STRING_SIZE %d\n",
801 get_size_typeformatstring(stmts, pred));
802
803 print_file(f, indent, "#define PROC_FORMAT_STRING_SIZE %d\n",
804 get_size_procformatstring(stmts, pred));
805
806 fprintf(f, "\n");
807 write_formatdesc(f, indent, "TYPE");
808 write_formatdesc(f, indent, "PROC");
809 fprintf(f, "\n");
810 print_file(f, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
811 print_file(f, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
812 print_file(f, indent, "\n");
813 }
814
815 int decl_indirect(const type_t *t)
816 {
817 if (is_user_type(t))
818 return TRUE;
819 return (type_get_type(t) != TYPE_BASIC &&
820 type_get_type(t) != TYPE_ENUM &&
821 type_get_type(t) != TYPE_POINTER &&
822 type_get_type(t) != TYPE_ARRAY);
823 }
824
825 static unsigned int write_procformatstring_type(FILE *file, int indent,
826 const char *name,
827 const type_t *type,
828 const attr_list_t *attrs,
829 int is_return)
830 {
831 unsigned int size;
832
833 int is_in = is_attr(attrs, ATTR_IN);
834 int is_out = is_attr(attrs, ATTR_OUT);
835
836 if (!is_in && !is_out) is_in = TRUE;
837
838 if (type_get_type(type) == TYPE_BASIC ||
839 type_get_type(type) == TYPE_ENUM)
840 {
841 unsigned char fc;
842
843 if (is_return)
844 print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n");
845 else
846 print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
847
848 if (type_get_type(type) == TYPE_ENUM)
849 {
850 fc = get_enum_fc(type);
851 }
852 else
853 {
854 fc = get_basic_fc(type);
855
856 if (fc == RPC_FC_BIND_PRIMITIVE)
857 fc = RPC_FC_IGNORE;
858 }
859
860 print_file(file, indent, "0x%02x, /* %s */\n",
861 fc, string_of_type(fc));
862 size = 2; /* includes param type prefix */
863 }
864 else
865 {
866 if (is_return)
867 print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n");
868 else if (is_in && is_out)
869 print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n");
870 else if (is_out)
871 print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n");
872 else
873 print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
874
875 print_file(file, indent, "0x01,\n");
876 print_file(file, indent, "NdrFcShort(0x%hx),\n", type->typestring_offset);
877 size = 4; /* includes param type prefix */
878 }
879 return size;
880 }
881
882 static void write_procformatstring_stmts(FILE *file, int indent, const statement_list_t *stmts, type_pred_t pred)
883 {
884 const statement_t *stmt;
885 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
886 {
887 if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
888 {
889 const statement_t *stmt_func;
890 if (!pred(stmt->u.type))
891 continue;
892 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type))
893 {
894 const var_t *func = stmt_func->u.var;
895 if (is_local(func->attrs)) continue;
896 /* emit argument data */
897 if (type_get_function_args(func->type))
898 {
899 const var_t *var;
900 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
901 write_procformatstring_type(file, indent, var->name, var->type, var->attrs, FALSE);
902 }
903
904 /* emit return value data */
905 if (is_void(type_function_get_rettype(func->type)))
906 {
907 print_file(file, indent, "0x5b, /* FC_END */\n");
908 print_file(file, indent, "0x5c, /* FC_PAD */\n");
909 }
910 else
911 write_procformatstring_type(file, indent, "return value", type_function_get_rettype(func->type), NULL, TRUE);
912 }
913 }
914 else if (stmt->type == STMT_LIBRARY)
915 write_procformatstring_stmts(file, indent, stmt->u.lib->stmts, pred);
916 }
917 }
918
919 void write_procformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
920 {
921 int indent = 0;
922
923 print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
924 print_file(file, indent, "{\n");
925 indent++;
926 print_file(file, indent, "0,\n");
927 print_file(file, indent, "{\n");
928 indent++;
929
930 write_procformatstring_stmts(file, indent, stmts, pred);
931
932 print_file(file, indent, "0x0\n");
933 indent--;
934 print_file(file, indent, "}\n");
935 indent--;
936 print_file(file, indent, "};\n");
937 print_file(file, indent, "\n");
938 }
939
940 static int write_base_type(FILE *file, const type_t *type, int convert_to_signed_type, unsigned int *typestring_offset)
941 {
942 unsigned char fc;
943
944 if (type_get_type(type) == TYPE_BASIC)
945 fc = get_basic_fc(type);
946 else if (type_get_type(type) == TYPE_ENUM)
947 fc = get_enum_fc(type);
948 else
949 return 0;
950
951 if (convert_to_signed_type)
952 {
953 switch(fc)
954 {
955 case RPC_FC_USMALL:
956 fc = RPC_FC_SMALL;
957 break;
958 case RPC_FC_USHORT:
959 fc = RPC_FC_SHORT;
960 break;
961 case RPC_FC_ULONG:
962 fc = RPC_FC_LONG;
963 break;
964 }
965 }
966
967 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
968 *typestring_offset += 1;
969 return 1;
970 }
971
972 /* write conformance / variance descriptor */
973 static unsigned int write_conf_or_var_desc(FILE *file, const type_t *structure,
974 unsigned int baseoff, const type_t *type,
975 const expr_t *expr)
976 {
977 unsigned char operator_type = 0;
978 unsigned char conftype = RPC_FC_NORMAL_CONFORMANCE;
979 const char *conftype_string = "";
980 const expr_t *subexpr;
981
982 if (!expr)
983 {
984 print_file(file, 2, "NdrFcLong(0xffffffff),\t/* -1 */\n");
985 return 4;
986 }
987
988 if (expr->is_const)
989 {
990 if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
991 error("write_conf_or_var_desc: constant value %d is greater than "
992 "the maximum constant size of %d\n", expr->cval,
993 UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
994
995 print_file(file, 2, "0x%x, /* Corr desc: constant, val = %d */\n",
996 RPC_FC_CONSTANT_CONFORMANCE, expr->cval);
997 print_file(file, 2, "0x%x,\n", expr->cval >> 16);
998 print_file(file, 2, "NdrFcShort(0x%hx),\n", (unsigned short)expr->cval);
999
1000 return 4;
1001 }
1002
1003 if (!structure)
1004 {
1005 /* Top-level conformance calculations are done inline. */
1006 print_file (file, 2, "0x%x,\t/* Corr desc: parameter */\n",
1007 RPC_FC_TOP_LEVEL_CONFORMANCE);
1008 print_file (file, 2, "0x0,\n");
1009 print_file (file, 2, "NdrFcShort(0x0),\n");
1010 return 4;
1011 }
1012
1013 if (is_ptr(type) || (is_array(type) && type_array_is_decl_as_ptr(type)))
1014 {
1015 conftype = RPC_FC_POINTER_CONFORMANCE;
1016 conftype_string = "field pointer, ";
1017 }
1018
1019 subexpr = expr;
1020 switch (subexpr->type)
1021 {
1022 case EXPR_PPTR:
1023 subexpr = subexpr->ref;
1024 operator_type = RPC_FC_DEREFERENCE;
1025 break;
1026 case EXPR_DIV:
1027 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1028 {
1029 subexpr = subexpr->ref;
1030 operator_type = RPC_FC_DIV_2;
1031 }
1032 break;
1033 case EXPR_MUL:
1034 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1035 {
1036 subexpr = subexpr->ref;
1037 operator_type = RPC_FC_MULT_2;
1038 }
1039 break;
1040 case EXPR_SUB:
1041 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1042 {
1043 subexpr = subexpr->ref;
1044 operator_type = RPC_FC_SUB_1;
1045 }
1046 break;
1047 case EXPR_ADD:
1048 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1049 {
1050 subexpr = subexpr->ref;
1051 operator_type = RPC_FC_ADD_1;
1052 }
1053 break;
1054 default:
1055 break;
1056 }
1057
1058 if (subexpr->type == EXPR_IDENTIFIER)
1059 {
1060 const type_t *correlation_variable = NULL;
1061 unsigned char param_type = 0;
1062 unsigned int offset = 0;
1063 const var_t *var;
1064 var_list_t *fields = type_struct_get_fields(structure);
1065
1066 if (fields) LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1067 {
1068 unsigned int size = field_memsize( var->type, &offset );
1069 if (var->name && !strcmp(var->name, subexpr->u.sval))
1070 {
1071 correlation_variable = var->type;
1072 break;
1073 }
1074 offset += size;
1075 }
1076 if (!correlation_variable)
1077 error("write_conf_or_var_desc: couldn't find variable %s in structure\n",
1078 subexpr->u.sval);
1079
1080 correlation_variable = expr_resolve_type(NULL, structure, expr);
1081
1082 offset -= baseoff;
1083
1084 if (type_get_type(correlation_variable) == TYPE_BASIC)
1085 {
1086 switch (get_basic_fc(correlation_variable))
1087 {
1088 case RPC_FC_CHAR:
1089 case RPC_FC_SMALL:
1090 param_type = RPC_FC_SMALL;
1091 break;
1092 case RPC_FC_BYTE:
1093 case RPC_FC_USMALL:
1094 param_type = RPC_FC_USMALL;
1095 break;
1096 case RPC_FC_WCHAR:
1097 case RPC_FC_SHORT:
1098 param_type = RPC_FC_SHORT;
1099 break;
1100 case RPC_FC_USHORT:
1101 param_type = RPC_FC_USHORT;
1102 break;
1103 case RPC_FC_LONG:
1104 param_type = RPC_FC_LONG;
1105 break;
1106 case RPC_FC_ULONG:
1107 param_type = RPC_FC_ULONG;
1108 break;
1109 default:
1110 error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
1111 get_basic_fc(correlation_variable));
1112 }
1113 }
1114 else if (type_get_type(correlation_variable) == TYPE_ENUM)
1115 {
1116 if (get_enum_fc(correlation_variable) == RPC_FC_ENUM32)
1117 param_type = RPC_FC_LONG;
1118 else
1119 param_type = RPC_FC_SHORT;
1120 }
1121 else if (type_get_type(correlation_variable) == TYPE_POINTER)
1122 {
1123 if (pointer_size == 8)
1124 param_type = RPC_FC_HYPER;
1125 else
1126 param_type = RPC_FC_LONG;
1127 }
1128 else
1129 {
1130 error("write_conf_or_var_desc: non-arithmetic type used as correlation variable %s\n",
1131 subexpr->u.sval);
1132 return 0;
1133 }
1134
1135 print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n",
1136 conftype | param_type, conftype_string, string_of_type(param_type));
1137 print_file(file, 2, "0x%x, /* %s */\n", operator_type,
1138 operator_type ? string_of_type(operator_type) : "no operators");
1139 print_file(file, 2, "NdrFcShort(0x%hx),\t/* offset = %d */\n",
1140 offset, offset);
1141 }
1142 else
1143 {
1144 unsigned int callback_offset = 0;
1145 struct expr_eval_routine *eval;
1146 int found = 0;
1147
1148 LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
1149 {
1150 if (eval->structure == structure ||
1151 (eval->structure->name && structure->name &&
1152 !strcmp(eval->structure->name, structure->name) &&
1153 !compare_expr(eval->expr, expr)))
1154 {
1155 found = 1;
1156 break;
1157 }
1158 callback_offset++;
1159 }
1160
1161 if (!found)
1162 {
1163 eval = xmalloc (sizeof(*eval));
1164 eval->structure = structure;
1165 eval->baseoff = baseoff;
1166 eval->expr = expr;
1167 list_add_tail (&expr_eval_routines, &eval->entry);
1168 }
1169
1170 if (callback_offset > USHRT_MAX)
1171 error("Maximum number of callback routines reached\n");
1172
1173 print_file(file, 2, "0x%x, /* Corr desc: %s */\n", conftype, conftype_string);
1174 print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK");
1175 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", callback_offset, callback_offset);
1176 }
1177 return 4;
1178 }
1179
1180 /* return size and start offset of a data field based on current offset */
1181 static unsigned int field_memsize(const type_t *type, unsigned int *offset)
1182 {
1183 unsigned int align = 0;
1184 unsigned int size = type_memsize_and_alignment( type, &align );
1185
1186 *offset = ROUND_SIZE( *offset, align );
1187 return size;
1188 }
1189
1190 static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align)
1191 {
1192 unsigned int size = 0;
1193 unsigned int max_align;
1194 const var_t *v;
1195
1196 if (!fields) return 0;
1197 LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1198 {
1199 unsigned int falign = 0;
1200 unsigned int fsize = type_memsize_and_alignment(v->type, &falign);
1201 if (*align < falign) *align = falign;
1202 falign = clamp_align(falign);
1203 size = ROUND_SIZE(size, falign);
1204 size += fsize;
1205 }
1206
1207 max_align = clamp_align(*align);
1208 size = ROUND_SIZE(size, max_align);
1209
1210 return size;
1211 }
1212
1213 static unsigned int union_memsize(const var_list_t *fields, unsigned int *pmaxa)
1214 {
1215 unsigned int size, maxs = 0;
1216 unsigned int align = *pmaxa;
1217 const var_t *v;
1218
1219 if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1220 {
1221 /* we could have an empty default field with NULL type */
1222 if (v->type)
1223 {
1224 size = type_memsize_and_alignment(v->type, &align);
1225 if (maxs < size) maxs = size;
1226 if (*pmaxa < align) *pmaxa = align;
1227 }
1228 }
1229
1230 return maxs;
1231 }
1232
1233 static unsigned int type_memsize_and_alignment(const type_t *t, unsigned int *align)
1234 {
1235 unsigned int size = 0;
1236
1237 switch (type_get_type(t))
1238 {
1239 case TYPE_BASIC:
1240 switch (get_basic_fc(t))
1241 {
1242 case RPC_FC_BYTE:
1243 case RPC_FC_CHAR:
1244 case RPC_FC_USMALL:
1245 case RPC_FC_SMALL:
1246 size = 1;
1247 if (size > *align) *align = size;
1248 break;
1249 case RPC_FC_WCHAR:
1250 case RPC_FC_USHORT:
1251 case RPC_FC_SHORT:
1252 size = 2;
1253 if (size > *align) *align = size;
1254 break;
1255 case RPC_FC_ULONG:
1256 case RPC_FC_LONG:
1257 case RPC_FC_ERROR_STATUS_T:
1258 case RPC_FC_FLOAT:
1259 size = 4;
1260 if (size > *align) *align = size;
1261 break;
1262 case RPC_FC_HYPER:
1263 case RPC_FC_DOUBLE:
1264 size = 8;
1265 if (size > *align) *align = size;
1266 break;
1267 case RPC_FC_INT3264:
1268 case RPC_FC_UINT3264:
1269 assert( pointer_size );
1270 size = pointer_size;
1271 if (size > *align) *align = size;
1272 break;
1273 default:
1274 error("type_memsize: Unknown type 0x%x\n", get_basic_fc(t));
1275 size = 0;
1276 }
1277 break;
1278 case TYPE_ENUM:
1279 switch (get_enum_fc(t))
1280 {
1281 case RPC_FC_ENUM16:
1282 case RPC_FC_ENUM32:
1283 size = 4;
1284 if (size > *align) *align = size;
1285 break;
1286 default:
1287 error("type_memsize: Unknown enum type\n");
1288 size = 0;
1289 }
1290 break;
1291 case TYPE_STRUCT:
1292 size = fields_memsize(type_struct_get_fields(t), align);
1293 break;
1294 case TYPE_ENCAPSULATED_UNION:
1295 size = fields_memsize(type_encapsulated_union_get_fields(t), align);
1296 break;
1297 case TYPE_UNION:
1298 size = union_memsize(type_union_get_cases(t), align);
1299 break;
1300 case TYPE_POINTER:
1301 assert( pointer_size );
1302 size = pointer_size;
1303 if (size > *align) *align = size;
1304 break;
1305 case TYPE_ARRAY:
1306 if (!type_array_is_decl_as_ptr(t))
1307 {
1308 if (is_conformant_array(t))
1309 {
1310 type_memsize_and_alignment(type_array_get_element(t), align);
1311 size = 0;
1312 }
1313 else
1314 size = type_array_get_dim(t) *
1315 type_memsize_and_alignment(type_array_get_element(t), align);
1316 }
1317 else /* declared as a pointer */
1318 {
1319 assert( pointer_size );
1320 size = pointer_size;
1321 if (size > *align) *align = size;
1322 }
1323 break;
1324 case TYPE_INTERFACE:
1325 case TYPE_ALIAS:
1326 case TYPE_VOID:
1327 case TYPE_COCLASS:
1328 case TYPE_MODULE:
1329 case TYPE_FUNCTION:
1330 case TYPE_BITFIELD:
1331 /* these types should not be encountered here due to language
1332 * restrictions (interface, void, coclass, module), logical
1333 * restrictions (alias - due to type_get_type call above) or
1334 * checking restrictions (function, bitfield). */
1335 assert(0);
1336 }
1337
1338 return size;
1339 }
1340
1341 unsigned int type_memsize(const type_t *t)
1342 {
1343 unsigned int align = 0;
1344 return type_memsize_and_alignment( t, &align );
1345 }
1346
1347 static unsigned int type_buffer_alignment(const type_t *t)
1348 {
1349 const var_list_t *fields;
1350 const var_t *var;
1351 unsigned int max = 0, align;
1352
1353 switch (type_get_type(t))
1354 {
1355 case TYPE_BASIC:
1356 switch (get_basic_fc(t))
1357 {
1358 case RPC_FC_BYTE:
1359 case RPC_FC_CHAR:
1360 case RPC_FC_USMALL:
1361 case RPC_FC_SMALL:
1362 return 1;
1363 case RPC_FC_WCHAR:
1364 case RPC_FC_USHORT:
1365 case RPC_FC_SHORT:
1366 return 2;
1367 case RPC_FC_ULONG:
1368 case RPC_FC_LONG:
1369 case RPC_FC_ERROR_STATUS_T:
1370 case RPC_FC_FLOAT:
1371 case RPC_FC_INT3264:
1372 case RPC_FC_UINT3264:
1373 return 4;
1374 case RPC_FC_HYPER:
1375 case RPC_FC_DOUBLE:
1376 return 8;
1377 default:
1378 error("type_buffer_alignment: Unknown type 0x%x\n", get_basic_fc(t));
1379 }
1380 break;
1381 case TYPE_ENUM:
1382 switch (get_enum_fc(t))
1383 {
1384 case RPC_FC_ENUM16:
1385 return 2;
1386 case RPC_FC_ENUM32:
1387 return 4;
1388 default:
1389 error("type_buffer_alignment: Unknown enum type\n");
1390 }
1391 break;
1392 case TYPE_STRUCT:
1393 if (!(fields = type_struct_get_fields(t))) break;
1394 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1395 {
1396 if (!var->type) continue;
1397 align = type_buffer_alignment( var->type );
1398 if (max < align) max = align;
1399 }
1400 break;
1401 case TYPE_ENCAPSULATED_UNION:
1402 if (!(fields = type_encapsulated_union_get_fields(t))) break;
1403 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1404 {
1405 if (!var->type) continue;
1406 align = type_buffer_alignment( var->type );
1407 if (max < align) max = align;
1408 }
1409 break;
1410 case TYPE_UNION:
1411 if (!(fields = type_union_get_cases(t))) break;
1412 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1413 {
1414 if (!var->type) continue;
1415 align = type_buffer_alignment( var->type );
1416 if (max < align) max = align;
1417 }
1418 break;
1419 case TYPE_ARRAY:
1420 if (!type_array_is_decl_as_ptr(t))
1421 return type_buffer_alignment( type_array_get_element(t) );
1422 /* else fall through */
1423 case TYPE_POINTER:
1424 return 4;
1425 case TYPE_INTERFACE:
1426 case TYPE_ALIAS:
1427 case TYPE_VOID:
1428 case TYPE_COCLASS:
1429 case TYPE_MODULE:
1430 case TYPE_FUNCTION:
1431 case TYPE_BITFIELD:
1432 /* these types should not be encountered here due to language
1433 * restrictions (interface, void, coclass, module), logical
1434 * restrictions (alias - due to type_get_type call above) or
1435 * checking restrictions (function, bitfield). */
1436 assert(0);
1437 }
1438 return max;
1439 }
1440
1441 int is_full_pointer_function(const var_t *func)
1442 {
1443 const var_t *var;
1444 if (type_has_full_pointer(type_function_get_rettype(func->type), func->attrs, TRUE))
1445 return TRUE;
1446 if (!type_get_function_args(func->type))
1447 return FALSE;
1448 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
1449 if (type_has_full_pointer( var->type, var->attrs, TRUE ))
1450 return TRUE;
1451 return FALSE;
1452 }
1453
1454 void write_full_pointer_init(FILE *file, int indent, const var_t *func, int is_server)
1455 {
1456 print_file(file, indent, "__frame->_StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,%s);\n",
1457 is_server ? "XLAT_SERVER" : "XLAT_CLIENT");
1458 fprintf(file, "\n");
1459 }
1460
1461 void write_full_pointer_free(FILE *file, int indent, const var_t *func)
1462 {
1463 print_file(file, indent, "NdrFullPointerXlatFree(__frame->_StubMsg.FullPtrXlatTables);\n");
1464 fprintf(file, "\n");
1465 }
1466
1467 static unsigned int write_nonsimple_pointer(FILE *file, const attr_list_t *attrs,
1468 const type_t *type,
1469 int toplevel_param,
1470 unsigned int offset,
1471 unsigned int *typeformat_offset)
1472 {
1473 unsigned int start_offset = *typeformat_offset;
1474 short reloff = offset - (*typeformat_offset + 2);
1475 int in_attr, out_attr;
1476 int pointer_type;
1477 unsigned char flags = 0;
1478
1479 pointer_type = get_pointer_fc(type, attrs, toplevel_param);
1480
1481 in_attr = is_attr(attrs, ATTR_IN);
1482 out_attr = is_attr(attrs, ATTR_OUT);
1483 if (!in_attr && !out_attr) in_attr = 1;
1484
1485 if (out_attr && !in_attr && pointer_type == RPC_FC_RP)
1486 flags |= RPC_FC_P_ONSTACK;
1487
1488 if (is_ptr(type) && is_declptr(type_pointer_get_ref(type)))
1489 flags |= RPC_FC_P_DEREF;
1490
1491 print_file(file, 2, "0x%x, 0x%x,\t\t/* %s",
1492 pointer_type,
1493 flags,
1494 string_of_type(pointer_type));
1495 if (file)
1496 {
1497 if (flags & RPC_FC_P_ONSTACK)
1498 fprintf(file, " [allocated_on_stack]");
1499 if (flags & RPC_FC_P_DEREF)
1500 fprintf(file, " [pointer_deref]");
1501 fprintf(file, " */\n");
1502 }
1503
1504 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, offset);
1505 *typeformat_offset += 4;
1506
1507 return start_offset;
1508 }
1509
1510 static unsigned int write_simple_pointer(FILE *file, const attr_list_t *attrs, const type_t *type, int toplevel_param)
1511 {
1512 unsigned char fc;
1513 unsigned char pointer_fc;
1514 const type_t *ref;
1515 int in_attr = is_attr(attrs, ATTR_IN);
1516 int out_attr = is_attr(attrs, ATTR_OUT);
1517 unsigned char flags = RPC_FC_P_SIMPLEPOINTER;
1518
1519 /* for historical reasons, write_simple_pointer also handled string types,
1520 * but no longer does. catch bad uses of the function with this check */
1521 if (is_string_type(attrs, type))
1522 error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
1523
1524 pointer_fc = get_pointer_fc(type, attrs, toplevel_param);
1525
1526 ref = type_pointer_get_ref(type);
1527 if (type_get_type(ref) == TYPE_ENUM)
1528 fc = get_enum_fc(ref);
1529 else
1530 fc = get_basic_fc(ref);
1531
1532 if (out_attr && !in_attr)
1533 flags |= RPC_FC_P_ONSTACK;
1534
1535 print_file(file, 2, "0x%02x, 0x%x,\t/* %s %s[simple_pointer] */\n",
1536 pointer_fc, flags, string_of_type(pointer_fc),
1537 flags & RPC_FC_P_ONSTACK ? "[allocated_on_stack] " : "");
1538 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
1539 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
1540 return 4;
1541 }
1542
1543 static void print_start_tfs_comment(FILE *file, type_t *t, unsigned int tfsoff)
1544 {
1545 print_file(file, 0, "/* %u (", tfsoff);
1546 write_type_decl(file, t, NULL);
1547 print_file(file, 0, ") */\n");
1548 }
1549
1550 static unsigned int write_pointer_tfs(FILE *file, const attr_list_t *attrs,
1551 type_t *type, unsigned int ref_offset,
1552 int toplevel_param,
1553 unsigned int *typestring_offset)
1554 {
1555 unsigned int offset = *typestring_offset;
1556 type_t *ref = type_pointer_get_ref(type);
1557
1558 print_start_tfs_comment(file, type, offset);
1559 update_tfsoff(type, offset, file);
1560
1561 switch (typegen_detect_type(ref, attrs, TDT_ALL_TYPES))
1562 {
1563 case TGT_BASIC:
1564 case TGT_ENUM:
1565 *typestring_offset += write_simple_pointer(file, attrs, type,
1566 toplevel_param);
1567 break;
1568 default:
1569 if (ref_offset)
1570 write_nonsimple_pointer(file, attrs, type,
1571 toplevel_param,
1572 ref_offset,
1573 typestring_offset);
1574 break;
1575 }
1576
1577 return offset;
1578 }
1579
1580 static int processed(const type_t *type)
1581 {
1582 return type->typestring_offset && !type->tfswrite;
1583 }
1584
1585 static int user_type_has_variable_size(const type_t *t)
1586 {
1587 if (is_ptr(t))
1588 return TRUE;
1589 else if (type_get_type(t) == TYPE_STRUCT)
1590 {
1591 switch (get_struct_fc(t))
1592 {
1593 case RPC_FC_PSTRUCT:
1594 case RPC_FC_CSTRUCT:
1595 case RPC_FC_CPSTRUCT:
1596 case RPC_FC_CVSTRUCT:
1597 return TRUE;
1598 }
1599 }
1600 /* Note: Since this only applies to user types, we can't have a conformant
1601 array here, and strings should get filed under pointer in this case. */
1602 return FALSE;
1603 }
1604
1605 static void write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
1606 {
1607 unsigned int start, absoff, flags;
1608 const char *name = NULL;
1609 type_t *utype = get_user_type(type, &name);
1610 unsigned int usize = type_memsize(utype);
1611 unsigned int ualign = type_buffer_alignment(utype);
1612 unsigned int size = type_memsize(type);
1613 unsigned short funoff = user_type_offset(name);
1614 short reloff;
1615
1616 guard_rec(type);
1617
1618 if(user_type_has_variable_size(utype)) usize = 0;
1619
1620 if (type_get_type(utype) == TYPE_BASIC ||
1621 type_get_type(utype) == TYPE_ENUM)
1622 {
1623 unsigned char fc;
1624
1625 if (type_get_type(utype) == TYPE_ENUM)
1626 fc = get_enum_fc(utype);
1627 else
1628 fc = get_basic_fc(utype);
1629
1630 absoff = *tfsoff;
1631 print_start_tfs_comment(file, utype, absoff);
1632 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
1633 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
1634 *tfsoff += 2;
1635 }
1636 else
1637 {
1638 if (!processed(utype))
1639 write_embedded_types(file, NULL, utype, utype->name, TRUE, tfsoff);
1640 absoff = utype->typestring_offset;
1641 }
1642
1643 if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_RP)
1644 flags = 0x40;
1645 else if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_UP)
1646 flags = 0x80;
1647 else
1648 flags = 0;
1649
1650 start = *tfsoff;
1651 update_tfsoff(type, start, file);
1652 print_start_tfs_comment(file, type, start);
1653 print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", RPC_FC_USER_MARSHAL);
1654 print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n",
1655 flags | (ualign - 1), ualign - 1, flags);
1656 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff);
1657 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", size, size);
1658 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", usize, usize);
1659 *tfsoff += 8;
1660 reloff = absoff - *tfsoff;
1661 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff);
1662 *tfsoff += 2;
1663 }
1664
1665 static void write_member_type(FILE *file, const type_t *cont,
1666 int cont_is_complex, const attr_list_t *attrs,
1667 const type_t *type, unsigned int *corroff,
1668 unsigned int *tfsoff)
1669 {
1670 if (is_embedded_complex(type) && !is_conformant_array(type))
1671 {
1672 unsigned int absoff;
1673 short reloff;
1674
1675 if (type_get_type(type) == TYPE_UNION && is_attr(attrs, ATTR_SWITCHIS))
1676 {
1677 absoff = *corroff;
1678 *corroff += 8;
1679 }
1680 else
1681 {
1682 absoff = type->typestring_offset;
1683 }
1684 reloff = absoff - (*tfsoff + 2);
1685
1686 print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n");
1687 /* padding is represented using FC_STRUCTPAD* types, so presumably
1688 * this is left over in the format for historical purposes in MIDL
1689 * or rpcrt4. */
1690 print_file(file, 2, "0x0,\n");
1691 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
1692 reloff, reloff, absoff);
1693 *tfsoff += 4;
1694 }
1695 else if (is_ptr(type) || is_conformant_array(type))
1696 {
1697 unsigned char fc = cont_is_complex ? RPC_FC_POINTER : RPC_FC_LONG;
1698 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
1699 *tfsoff += 1;
1700 }
1701 else if (!write_base_type(file, type, TRUE, tfsoff))
1702 error("Unsupported member type %d\n", type_get_type(type));
1703 }
1704
1705 static void write_array_element_type(FILE *file, const type_t *type,
1706 int cont_is_complex, unsigned int *tfsoff)
1707 {
1708 type_t *elem = type_array_get_element(type);
1709
1710 if (!is_embedded_complex(elem) && is_ptr(elem))
1711 {
1712 type_t *ref = type_pointer_get_ref(elem);
1713
1714 if (processed(ref))
1715 {
1716 write_nonsimple_pointer(file, NULL, elem, FALSE, ref->typestring_offset, tfsoff);
1717 return;
1718 }
1719 if (!is_string_type(NULL, elem) &&
1720 (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM))
1721 {
1722 *tfsoff += write_simple_pointer(file, NULL, elem, FALSE);
1723 return;
1724 }
1725 }
1726 return write_member_type(file, type, cont_is_complex, NULL, elem, NULL, tfsoff);
1727 }
1728
1729 static void write_end(FILE *file, unsigned int *tfsoff)
1730 {
1731 if (*tfsoff % 2 == 0)
1732 {
1733 print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD);
1734 *tfsoff += 1;
1735 }
1736 print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END);
1737 *tfsoff += 1;
1738 }
1739
1740 static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff)
1741 {
1742 unsigned int offset = 0;
1743 var_list_t *fs = type_struct_get_fields(type);
1744 var_t *f;
1745
1746 if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry)
1747 {
1748 type_t *ft = f->type;
1749 unsigned int size = field_memsize( ft, &offset );
1750 if (type_get_type(ft) == TYPE_UNION && is_attr(f->attrs, ATTR_SWITCHIS))
1751 {
1752 short reloff;
1753 unsigned int absoff = ft->typestring_offset;
1754 if (is_attr(ft->attrs, ATTR_SWITCHTYPE))
1755 absoff += 8; /* we already have a corr descr, skip it */
1756 reloff = absoff - (*tfsoff + 6);
1757 print_file(file, 0, "/* %d */\n", *tfsoff);
1758 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
1759 print_file(file, 2, "0x%x,\t/* FIXME: always FC_LONG */\n", RPC_FC_LONG);
1760 write_conf_or_var_desc(file, current_structure, offset, ft,
1761 get_attrp(f->attrs, ATTR_SWITCHIS));
1762 print_file(file, 2, "NdrFcShort(%hd),\t/* Offset= %hd (%u) */\n",
1763 reloff, reloff, absoff);
1764 *tfsoff += 8;
1765 }
1766 offset += size;
1767 }
1768 }
1769
1770 static int write_pointer_description_offsets(
1771 FILE *file, const attr_list_t *attrs, type_t *type,
1772 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1773 unsigned int *typestring_offset)
1774 {
1775 int written = 0;
1776
1777 if ((is_ptr(type) && type_get_type(type_pointer_get_ref(type)) != TYPE_INTERFACE) ||
1778 (is_array(type) && type_array_is_decl_as_ptr(type)))
1779 {
1780 if (offset_in_memory && offset_in_buffer)
1781 {
1782 unsigned int memsize;
1783
1784 /* pointer instance
1785 *
1786 * note that MSDN states that for pointer layouts in structures,
1787 * this is a negative offset from the end of the structure, but
1788 * this statement is incorrect. all offsets are positive */
1789 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", *offset_in_memory, *offset_in_memory);
1790 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", *offset_in_buffer, *offset_in_buffer);
1791
1792 memsize = type_memsize(type);
1793 *offset_in_memory += memsize;
1794 /* increment these separately as in the case of conformant (varying)
1795 * structures these start at different values */
1796 *offset_in_buffer += memsize;
1797 }
1798 *typestring_offset += 4;
1799
1800 if (is_ptr(type))
1801 {
1802 type_t *ref = type_pointer_get_ref(type);
1803
1804 if (is_string_type(attrs, type))
1805 write_string_tfs(file, attrs, type, FALSE, NULL, typestring_offset);
1806 else if (processed(ref))
1807 write_nonsimple_pointer(file, attrs, type, FALSE, ref->typestring_offset, typestring_offset);
1808 else if (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM)
1809 *typestring_offset += write_simple_pointer(file, attrs, type, FALSE);
1810 else
1811 error("write_pointer_description_offsets: type format string unknown\n");
1812 }
1813 else
1814 {
1815 unsigned int offset = type->typestring_offset;
1816 /* skip over the pointer that is written for strings, since a
1817 * pointer has to be written in-place here */
1818 if (is_string_type(attrs, type))
1819 offset += 4;
1820 write_nonsimple_pointer(file, attrs, type, FALSE, offset, typestring_offset);
1821 }
1822
1823 return 1;
1824 }
1825
1826 if (is_array(type))
1827 {
1828 return write_pointer_description_offsets(
1829 file, attrs, type_array_get_element(type), offset_in_memory,
1830 offset_in_buffer, typestring_offset);
1831 }
1832 else if (is_non_complex_struct(type))
1833 {
1834 /* otherwise search for interesting fields to parse */
1835 const var_t *v;
1836 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1837 {
1838 if (offset_in_memory && offset_in_buffer)
1839 {
1840 unsigned int padding;
1841 unsigned int align = 0;
1842 type_memsize_and_alignment(v->type, &align);
1843 padding = ROUNDING(*offset_in_memory, align);
1844 *offset_in_memory += padding;
1845 *offset_in_buffer += padding;
1846 }
1847 written += write_pointer_description_offsets(
1848 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
1849 typestring_offset);
1850 }
1851 }
1852 else
1853 {
1854 if (offset_in_memory && offset_in_buffer)
1855 {
1856 unsigned int memsize = type_memsize(type);
1857 *offset_in_memory += memsize;
1858 /* increment these separately as in the case of conformant (varying)
1859 * structures these start at different values */
1860 *offset_in_buffer += memsize;
1861 }
1862 }
1863
1864 return written;
1865 }
1866
1867 static int write_no_repeat_pointer_descriptions(
1868 FILE *file, const attr_list_t *attrs, type_t *type,
1869 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1870 unsigned int *typestring_offset)
1871 {
1872 int written = 0;
1873
1874 if (is_ptr(type) ||
1875 (is_conformant_array(type) && type_array_is_decl_as_ptr(type)))
1876 {
1877 print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", RPC_FC_NO_REPEAT);
1878 print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
1879 *typestring_offset += 2;
1880
1881 return write_pointer_description_offsets(file, attrs, type,
1882 offset_in_memory, offset_in_buffer, typestring_offset);
1883 }
1884
1885 if (is_non_complex_struct(type))
1886 {
1887 const var_t *v;
1888 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1889 {
1890 if (offset_in_memory && offset_in_buffer)
1891 {
1892 unsigned int padding;
1893 unsigned int align = 0;
1894 type_memsize_and_alignment(v->type, &align);
1895 padding = ROUNDING(*offset_in_memory, align);
1896 *offset_in_memory += padding;
1897 *offset_in_buffer += padding;
1898 }
1899 written += write_no_repeat_pointer_descriptions(
1900 file, v->attrs, v->type,
1901 offset_in_memory, offset_in_buffer, typestring_offset);
1902 }
1903 }
1904 else
1905 {
1906 unsigned int memsize = type_memsize(type);
1907 *offset_in_memory += memsize;
1908 /* increment these separately as in the case of conformant (varying)
1909 * structures these start at different values */
1910 *offset_in_buffer += memsize;
1911 }
1912
1913 return written;
1914 }
1915
1916 /* Note: if file is NULL return value is number of pointers to write, else
1917 * it is the number of type format characters written */
1918 static int write_fixed_array_pointer_descriptions(
1919 FILE *file, const attr_list_t *attrs, type_t *type,
1920 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1921 unsigned int *typestring_offset)
1922 {
1923 int pointer_count = 0;
1924
1925 if (type_get_type(type) == TYPE_ARRAY &&
1926 !type_array_has_conformance(type) && !type_array_has_variance(type))
1927 {
1928 unsigned int temp = 0;
1929 /* unfortunately, this needs to be done in two passes to avoid
1930 * writing out redundant FC_FIXED_REPEAT descriptions */
1931 pointer_count = write_pointer_description_offsets(
1932 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
1933 if (pointer_count > 0)
1934 {
1935 unsigned int increment_size;
1936 unsigned int offset_of_array_pointer_mem = 0;
1937 unsigned int offset_of_array_pointer_buf = 0;
1938
1939 increment_size = type_memsize(type_array_get_element(type));
1940
1941 print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", RPC_FC_FIXED_REPEAT);
1942 print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
1943 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Iterations = %d */\n", type_array_get_dim(type), type_array_get_dim(type));
1944 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
1945 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory);
1946 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
1947 *typestring_offset += 10;
1948
1949 pointer_count = write_pointer_description_offsets(
1950 file, attrs, type, &offset_of_array_pointer_mem,
1951 &offset_of_array_pointer_buf, typestring_offset);
1952 }
1953 }
1954 else if (type_get_type(type) == TYPE_STRUCT)
1955 {
1956 const var_t *v;
1957 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1958 {
1959 if (offset_in_memory && offset_in_buffer)
1960 {
1961 unsigned int padding;
1962 unsigned int align = 0;
1963 type_memsize_and_alignment(v->type, &align);
1964 padding = ROUNDING(*offset_in_memory, align);
1965 *offset_in_memory += padding;
1966 *offset_in_buffer += padding;
1967 }
1968 pointer_count += write_fixed_array_pointer_descriptions(
1969 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
1970 typestring_offset);
1971 }
1972 }
1973 else
1974 {
1975 if (offset_in_memory && offset_in_buffer)
1976 {
1977 unsigned int memsize;
1978 memsize = type_memsize(type);
1979 *offset_in_memory += memsize;
1980 /* increment these separately as in the case of conformant (varying)
1981 * structures these start at different values */
1982 *offset_in_buffer += memsize;
1983 }
1984 }
1985
1986 return pointer_count;
1987 }
1988
1989 /* Note: if file is NULL return value is number of pointers to write, else
1990 * it is the number of type format characters written */
1991 static int write_conformant_array_pointer_descriptions(
1992 FILE *file, const attr_list_t *attrs, type_t *type,
1993 unsigned int offset_in_memory, unsigned int *typestring_offset)
1994 {
1995 int pointer_count = 0;
1996
1997 if (is_conformant_array(type) && !type_array_has_variance(type))
1998 {
1999 unsigned int temp = 0;
2000 /* unfortunately, this needs to be done in two passes to avoid
2001 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2002 pointer_count = write_pointer_description_offsets(
2003 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2004 if (pointer_count > 0)
2005 {
2006 unsigned int increment_size;
2007 unsigned int offset_of_array_pointer_mem = offset_in_memory;
2008 unsigned int offset_of_array_pointer_buf = offset_in_memory;
2009
2010 increment_size = type_memsize(type_array_get_element(type));
2011
2012 if (increment_size > USHRT_MAX)
2013 error("array size of %u bytes is too large\n", increment_size);
2014
2015 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
2016 print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", RPC_FC_FIXED_OFFSET);
2017 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
2018 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", offset_in_memory, offset_in_memory);
2019 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
2020 *typestring_offset += 8;
2021
2022 pointer_count = write_pointer_description_offsets(
2023 file, attrs, type_array_get_element(type),
2024 &offset_of_array_pointer_mem, &offset_of_array_pointer_buf,
2025 typestring_offset);
2026 }
2027 }
2028
2029 return pointer_count;
2030 }
2031
2032 /* Note: if file is NULL return value is number of pointers to write, else
2033 * it is the number of type format characters written */
2034 static int write_varying_array_pointer_descriptions(
2035 FILE *file, const attr_list_t *attrs, type_t *type,
2036 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2037 unsigned int *typestring_offset)
2038 {
2039 int pointer_count = 0;
2040
2041 if (is_array(type) && type_array_has_variance(type))
2042 {
2043 unsigned int temp = 0;
2044 /* unfortunately, this needs to be done in two passes to avoid
2045 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2046 pointer_count = write_pointer_description_offsets(
2047 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2048 if (pointer_count > 0)
2049 {
2050 unsigned int increment_size;
2051
2052 increment_size = type_memsize(type_array_get_element(type));
2053
2054 if (increment_size > USHRT_MAX)
2055 error("array size of %u bytes is too large\n", increment_size);
2056
2057 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
2058 print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", RPC_FC_VARIABLE_OFFSET);
2059 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", increment_size, increment_size);
2060 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", *offset_in_memory, *offset_in_memory);
2061 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", pointer_count, pointer_count);
2062 *typestring_offset += 8;
2063
2064 pointer_count = write_pointer_description_offsets(
2065 file, attrs, type_array_get_element(type), offset_in_memory,
2066 offset_in_buffer, typestring_offset);
2067 }
2068 }
2069 else if (type_get_type(type) == TYPE_STRUCT)
2070 {
2071 const var_t *v;
2072 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2073 {
2074 if (offset_in_memory && offset_in_buffer)
2075 {
2076 unsigned int align = 0, padding;
2077
2078 if (is_array(v->type) && type_array_has_variance(v->type))
2079 {
2080 *offset_in_buffer = ROUND_SIZE(*offset_in_buffer, 4);
2081 /* skip over variance and offset in buffer */
2082 *offset_in_buffer += 8;
2083 }
2084
2085 type_memsize_and_alignment(v->type, &align);
2086 padding = ROUNDING(*offset_in_memory, align);
2087 *offset_in_memory += padding;
2088 *offset_in_buffer += padding;
2089 }
2090 pointer_count += write_varying_array_pointer_descriptions(
2091 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2092 typestring_offset);
2093 }
2094 }
2095 else
2096 {
2097 if (offset_in_memory && offset_in_buffer)
2098 {
2099 unsigned int memsize = type_memsize(type);
2100 *offset_in_memory += memsize;
2101 /* increment these separately as in the case of conformant (varying)
2102 * structures these start at different values */
2103 *offset_in_buffer += memsize;
2104 }
2105 }
2106
2107 return pointer_count;
2108 }
2109
2110 static void write_pointer_description(FILE *file, type_t *type,
2111 unsigned int *typestring_offset)
2112 {
2113 unsigned int offset_in_buffer;
2114 unsigned int offset_in_memory;
2115
2116 /* pass 1: search for single instance of a pointer (i.e. don't descend
2117 * into arrays) */
2118 if (!is_array(type))
2119 {
2120 offset_in_memory = 0;
2121 offset_in_buffer = 0;
2122 write_no_repeat_pointer_descriptions(
2123 file, NULL, type,
2124 &offset_in_memory, &offset_in_buffer, typestring_offset);
2125 }
2126
2127 /* pass 2: search for pointers in fixed arrays */
2128 offset_in_memory = 0;
2129 offset_in_buffer = 0;
2130 write_fixed_array_pointer_descriptions(
2131 file, NULL, type,
2132 &offset_in_memory, &offset_in_buffer, typestring_offset);
2133
2134 /* pass 3: search for pointers in conformant only arrays (but don't descend
2135 * into conformant varying or varying arrays) */
2136 if (is_conformant_array(type) &&
2137 (type_array_is_decl_as_ptr(type) || !current_structure))
2138 write_conformant_array_pointer_descriptions(
2139 file, NULL, type, 0, typestring_offset);
2140 else if (type_get_type(type) == TYPE_STRUCT &&
2141 get_struct_fc(type) == RPC_FC_CPSTRUCT)
2142 {
2143 type_t *carray = find_array_or_string_in_struct(type)->type;
2144 write_conformant_array_pointer_descriptions( file, NULL, carray,
2145 type_memsize(type), typestring_offset);
2146 }
2147
2148 /* pass 4: search for pointers in varying arrays */
2149 offset_in_memory = 0;
2150 offset_in_buffer = 0;
2151 write_varying_array_pointer_descriptions(
2152 file, NULL, type,
2153 &offset_in_memory, &offset_in_buffer, typestring_offset);
2154 }
2155
2156 int is_declptr(const type_t *t)
2157 {
2158 return is_ptr(t) || (type_get_type(t) == TYPE_ARRAY && type_array_is_decl_as_ptr(t));
2159 }
2160
2161 static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
2162 type_t *type, int toplevel_param,
2163 const char *name, unsigned int *typestring_offset)
2164 {
2165 unsigned int start_offset;
2166 unsigned char rtype;
2167 type_t *elem_type;
2168
2169 start_offset = *typestring_offset;
2170 update_tfsoff(type, start_offset, file);
2171
2172 if (is_declptr(type))
2173 {
2174 unsigned char flag = is_conformant_array(type) ? 0 : RPC_FC_P_SIMPLEPOINTER;
2175 int pointer_type = get_pointer_fc(type, attrs, toplevel_param);
2176 if (!pointer_type)
2177 pointer_type = RPC_FC_RP;
2178 print_start_tfs_comment(file, type, *typestring_offset);
2179 print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n",
2180 pointer_type, flag, string_of_type(pointer_type),
2181 flag ? " [simple_pointer]" : "");
2182 *typestring_offset += 2;
2183 if (!flag)
2184 {
2185 print_file(file, 2, "NdrFcShort(0x2),\n");
2186 *typestring_offset += 2;
2187 }
2188 }
2189
2190 if (is_array(type))
2191 elem_type = type_array_get_element(type);
2192 else
2193 elem_type = type_pointer_get_ref(type);
2194
2195 if (type_get_type(elem_type) != TYPE_BASIC)
2196 {
2197 error("write_string_tfs: Unimplemented for non-basic type %s\n", name);
2198 return start_offset;
2199 }
2200
2201 rtype = get_basic_fc(elem_type);
2202 if ((rtype != RPC_FC_BYTE) && (rtype != RPC_FC_CHAR) && (rtype != RPC_FC_WCHAR))
2203 {
2204 error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name);
2205 return start_offset;
2206 }
2207
2208 if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type))
2209 {
2210 unsigned int dim = type_array_get_dim(type);
2211
2212 /* FIXME: multi-dimensional array */
2213 if (0xffffu < dim)
2214 error("array size for parameter %s exceeds %u bytes by %u bytes\n",
2215 name, 0xffffu, dim - 0xffffu);
2216
2217 if (rtype == RPC_FC_WCHAR)
2218 WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
2219 else
2220 WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
2221 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2222 *typestring_offset += 2;
2223
2224 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", dim, dim);
2225 *typestring_offset += 2;
2226
2227 return start_offset;
2228 }
2229 else if (is_conformant_array(type))
2230 {
2231 if (rtype == RPC_FC_WCHAR)
2232 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2233 else
2234 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2235 print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED);
2236 *typestring_offset += 2;
2237
2238 *typestring_offset += write_conf_or_var_desc(
2239 file, current_structure,
2240 (!type_array_is_decl_as_ptr(type) && current_structure
2241 ? type_memsize(current_structure)
2242 : 0),
2243 type, type_array_get_conformance(type));
2244
2245 return start_offset;
2246 }
2247 else
2248 {
2249 if (rtype == RPC_FC_WCHAR)
2250 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2251 else
2252 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2253 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2254 *typestring_offset += 2;
2255
2256 return start_offset;
2257 }
2258 }
2259
2260 static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
2261 const char *name, unsigned int *typestring_offset)
2262 {
2263 const expr_t *length_is = type_array_get_variance(type);
2264 const expr_t *size_is = type_array_get_conformance(type);
2265 unsigned int align;
2266 unsigned int size;
2267 unsigned int start_offset;
2268 unsigned char fc;
2269 int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
2270 unsigned int baseoff
2271 = !type_array_is_decl_as_ptr(type) && current_structure
2272 ? type_memsize(current_structure)
2273 : 0;
2274
2275 if (!pointer_type)
2276 pointer_type = RPC_FC_RP;
2277
2278 write_embedded_types(file, attrs, type_array_get_element(type), name, FALSE, typestring_offset);
2279
2280 size = type_memsize(is_conformant_array(type) ? type_array_get_element(type) : type);
2281 align = type_buffer_alignment(is_conformant_array(type) ? type_array_get_element(type) : type);
2282 fc = get_array_fc(type);
2283
2284 start_offset = *typestring_offset;
2285 update_tfsoff(type, start_offset, file);
2286 print_start_tfs_comment(file, type, start_offset);
2287 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
2288 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
2289 *typestring_offset += 2;
2290
2291 align = 0;
2292 if (fc != RPC_FC_BOGUS_ARRAY)
2293 {
2294 if (fc == RPC_FC_LGFARRAY || fc == RPC_FC_LGVARRAY)
2295 {
2296 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", size, size);
2297 *typestring_offset += 4;
2298 }
2299 else
2300 {
2301 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", size, size);
2302 *typestring_offset += 2;
2303 }
2304
2305 if (is_conformant_array(type))
2306 *typestring_offset
2307 += write_conf_or_var_desc(file, current_structure, baseoff,
2308 type, size_is);
2309
2310 if (fc == RPC_FC_SMVARRAY || fc == RPC_FC_LGVARRAY)
2311 {
2312 unsigned int elsize = type_memsize(type_array_get_element(type));
2313 unsigned int dim = type_array_get_dim(type);
2314
2315 if (fc == RPC_FC_LGVARRAY)
2316 {
2317 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", dim, dim);
2318 *typestring_offset += 4;
2319 }
2320 else
2321 {
2322 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", dim, dim);
2323 *typestring_offset += 2;
2324 }
2325
2326 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", elsize, elsize);
2327 *typestring_offset += 2;
2328 }
2329
2330 if (length_is)
2331 *typestring_offset
2332 += write_conf_or_var_desc(file, current_structure, baseoff,
2333 type, length_is);
2334
2335 if (type_has_pointers(type_array_get_element(type)) &&
2336 (type_array_is_decl_as_ptr(type) || !current_structure))
2337 {
2338 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
2339 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2340 *typestring_offset += 2;
2341 write_pointer_description(file, type, typestring_offset);
2342 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
2343 *typestring_offset += 1;
2344 }
2345
2346 write_array_element_type(file, type, FALSE, typestring_offset);
2347 write_end(file, typestring_offset);
2348 }
2349 else
2350 {
2351 unsigned int dim = size_is ? 0 : type_array_get_dim(type);
2352 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", dim, dim);
2353 *typestring_offset += 2;
2354 *typestring_offset
2355 += write_conf_or_var_desc(file, current_structure, baseoff,
2356 type, size_is);
2357 *typestring_offset
2358 += write_conf_or_var_desc(file, current_structure, baseoff,
2359 type, length_is);
2360
2361 write_array_element_type(file, type, TRUE, typestring_offset);
2362 write_end(file, typestring_offset);
2363 }
2364
2365 return start_offset;
2366 }
2367
2368 static const var_t *find_array_or_string_in_struct(const type_t *type)
2369 {
2370 const var_list_t *fields = type_struct_get_fields(type);
2371 const var_t *last_field;
2372 const type_t *ft;
2373
2374 if (!fields || list_empty(fields))
2375 return NULL;
2376
2377 last_field = LIST_ENTRY( list_tail(fields), const var_t, entry );
2378 ft = last_field->type;
2379
2380 if (is_conformant_array(ft) && !type_array_is_decl_as_ptr(ft))
2381 return last_field;
2382
2383 if (type_get_type(ft) == TYPE_STRUCT)
2384 return find_array_or_string_in_struct(ft);
2385 else
2386 return NULL;
2387 }
2388
2389 static void write_struct_members(FILE *file, const type_t *type,
2390 int is_complex, unsigned int *corroff,
2391 unsigned int *typestring_offset)
2392 {
2393 const var_t *field;
2394 unsigned short offset = 0;
2395 unsigned int salign = 1;
2396 int padding;
2397 var_list_t *fields = type_struct_get_fields(type);
2398
2399 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2400 {
2401 type_t *ft = field->type;
2402 unsigned int align = 0;
2403 unsigned int size = type_memsize_and_alignment(ft, &align);
2404 align = clamp_align(align);
2405 if (salign < align) salign = align;
2406
2407 if (!is_conformant_array(ft) || type_array_is_decl_as_ptr(ft))
2408 {
2409 if ((align - 1) & offset)
2410 {
2411 unsigned char fc = 0;
2412 switch (align)
2413 {
2414 case 2:
2415 fc = RPC_FC_ALIGNM2;
2416 break;
2417 case 4:
2418 fc = RPC_FC_ALIGNM4;
2419 break;
2420 case 8:
2421 fc = RPC_FC_ALIGNM8;
2422 break;
2423 default:
2424 error("write_struct_members: cannot align type %d\n", type_get_type(ft));
2425 }
2426 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2427 offset = ROUND_SIZE(offset, align);
2428 *typestring_offset += 1;
2429 }
2430 write_member_type(file, type, is_complex, field->attrs, field->type, corroff,
2431 typestring_offset);
2432 offset += size;
2433 }
2434 }
2435
2436 padding = ROUNDING(offset, salign);
2437 if (padding)
2438 {
2439 print_file(file, 2, "0x%x,\t/* FC_STRUCTPAD%d */\n",
2440 RPC_FC_STRUCTPAD1 + padding - 1,
2441 padding);
2442 *typestring_offset += 1;
2443 }
2444
2445 write_end(file, typestring_offset);
2446 }
2447
2448 static unsigned int write_struct_tfs(FILE *file, type_t *type,
2449 const char *name, unsigned int *tfsoff)
2450 {
2451 const type_t *save_current_structure = current_structure;
2452 unsigned int total_size;
2453 const var_t *array;
2454 unsigned int start_offset;
2455 unsigned int align;
2456 unsigned int corroff;
2457 var_t *f;
2458 unsigned char fc = get_struct_fc(type);
2459 var_list_t *fields = type_struct_get_fields(type);
2460
2461 guard_rec(type);
2462 current_structure = type;
2463
2464 total_size = type_memsize(type);
2465 align = type_buffer_alignment(type);
2466 if (total_size > USHRT_MAX)
2467 error("structure size for %s exceeds %d bytes by %d bytes\n",
2468 name, USHRT_MAX, total_size - USHRT_MAX);
2469
2470 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2471 write_embedded_types(file, f->attrs, f->type, f->name, FALSE, tfsoff);
2472
2473 array = find_array_or_string_in_struct(type);
2474 if (array && !processed(array->type))
2475 {
2476 if(is_string_type(array->attrs, array->type))
2477 write_string_tfs(file, array->attrs, array->type, FALSE, array->name, tfsoff);
2478 else
2479 write_array_tfs(file, array->attrs, array->type, array->name, tfsoff);
2480 }
2481
2482 corroff = *tfsoff;
2483 write_descriptors(file, type, tfsoff);
2484
2485 start_offset = *tfsoff;
2486 update_tfsoff(type, start_offset, file);
2487 print_start_tfs_comment(file, type, start_offset);
2488 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2489 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
2490 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", total_size, total_size);
2491 *tfsoff += 4;
2492
2493 if (array)
2494 {
2495 unsigned int absoff = array->type->typestring_offset;
2496 short reloff = absoff - *tfsoff;
2497 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2498 reloff, reloff, absoff);
2499 *tfsoff += 2;
2500 }
2501 else if (fc == RPC_FC_BOGUS_STRUCT)
2502 {
2503 print_file(file, 2, "NdrFcShort(0x0),\n");
2504 *tfsoff += 2;
2505 }
2506
2507 if (fc == RPC_FC_BOGUS_STRUCT)
2508 {
2509 /* On the sizing pass, type->ptrdesc may be zero, but it's ok as
2510 nothing is written to file yet. On the actual writing pass,
2511 this will have been updated. */
2512 unsigned int absoff = type->ptrdesc ? type->ptrdesc : *tfsoff;
2513 int reloff = absoff - *tfsoff;
2514 assert( reloff >= 0 );
2515 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%u) */\n",
2516 reloff, reloff, absoff);
2517 *tfsoff += 2;
2518 }
2519 else if ((fc == RPC_FC_PSTRUCT) ||
2520 (fc == RPC_FC_CPSTRUCT) ||
2521 (fc == RPC_FC_CVSTRUCT && type_has_pointers(type)))
2522 {
2523 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
2524 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2525 *tfsoff += 2;
2526 write_pointer_description(file, type, tfsoff);
2527 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
2528 *tfsoff += 1;
2529 }
2530
2531 write_struct_members(file, type, fc == RPC_FC_BOGUS_STRUCT, &corroff,
2532 tfsoff);
2533
2534 if (fc == RPC_FC_BOGUS_STRUCT)
2535 {
2536 const var_t *f;
2537
2538 type->ptrdesc = *tfsoff;
2539 if (fields) LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
2540 {
2541 type_t *ft = f->type;
2542 switch (typegen_detect_type(ft, f->attrs, TDT_IGNORE_STRINGS))
2543 {
2544 case TGT_POINTER:
2545 if (is_string_type(f->attrs, ft))
2546 write_string_tfs(file, f->attrs, ft, FALSE, f->name, tfsoff);
2547 else
2548 write_pointer_tfs(file, f->attrs, ft,
2549 type_pointer_get_ref(ft)->typestring_offset,
2550 FALSE, tfsoff);
2551 break;
2552 case TGT_ARRAY:
2553 if (type_array_is_decl_as_ptr(ft))
2554 {
2555 unsigned int offset;
2556
2557 print_file(file, 0, "/* %d */\n", *tfsoff);
2558
2559 offset = ft->typestring_offset;
2560 /* skip over the pointer that is written for strings, since a
2561 * pointer has to be written in-place here */
2562 if (is_string_type(f->attrs, ft))
2563 offset += 4;
2564 write_nonsimple_pointer(file, f->attrs, ft, FALSE, offset, tfsoff);
2565 }
2566 break;
2567 default:
2568 break;
2569 }
2570 }
2571 if (type->ptrdesc == *tfsoff)
2572 type->ptrdesc = 0;
2573 }
2574
2575 current_structure = save_current_structure;
2576 return start_offset;
2577 }
2578
2579 static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff)
2580 {
2581 if (t == NULL)
2582 {
2583 print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n");
2584 }
2585 else
2586 {
2587 if (type_get_type(t) == TYPE_BASIC || type_get_type(t) == TYPE_ENUM)
2588 {
2589 unsigned char fc;
2590 if (type_get_type(t) == TYPE_BASIC)
2591 fc = get_basic_fc(t);
2592 else
2593 fc = get_enum_fc(t);
2594 print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n",
2595 fc, string_of_type(fc));
2596 }
2597 else if (t->typestring_offset)
2598 {
2599 short reloff = t->typestring_offset - *tfsoff;
2600 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%d) */\n",
2601 reloff, reloff, t->typestring_offset);
2602 }
2603 else
2604 error("write_branch_type: type unimplemented %d\n", type_get_type(t));
2605 }
2606
2607 *tfsoff += 2;
2608 }
2609
2610 static unsigned int write_union_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
2611 {
2612 unsigned int start_offset;
2613 unsigned int size;
2614 var_list_t *fields;
2615 unsigned int nbranch = 0;
2616 type_t *deftype = NULL;
2617 short nodeftype = 0xffff;
2618 var_t *f;
2619
2620 guard_rec(type);
2621
2622 size = type_memsize(type);
2623
2624 fields = type_union_get_cases(type);
2625
2626 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2627 {
2628 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
2629 if (cases)
2630 nbranch += list_count(cases);
2631 if (f->type)
2632 write_embedded_types(file, f->attrs, f->type, f->name, TRUE, tfsoff);
2633 }
2634
2635 start_offset = *tfsoff;
2636 update_tfsoff(type, start_offset, file);
2637 print_start_tfs_comment(file, type, start_offset);
2638 if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2639 {
2640 const var_t *sv = type_union_get_switch_value(type);
2641 const type_t *st = sv->type;
2642 unsigned char fc;
2643
2644 if (type_get_type(st) == TYPE_BASIC)
2645 {
2646 switch (get_basic_fc(st))
2647 {
2648 case RPC_FC_CHAR:
2649 case RPC_FC_SMALL:
2650 case RPC_FC_BYTE:
2651 case RPC_FC_USMALL:
2652 case RPC_FC_WCHAR:
2653 case RPC_FC_SHORT:
2654 case RPC_FC_USHORT:
2655 case RPC_FC_LONG:
2656 case RPC_FC_ULONG:
2657 fc = get_basic_fc(st);
2658 break;
2659 default:
2660 fc = 0;
2661 error("union switch type must be an integer, char, or enum\n");
2662 }
2663 }
2664 else if (type_get_type(st) == TYPE_ENUM)
2665 fc = get_enum_fc(st);
2666 else
2667 error("union switch type must be an integer, char, or enum\n");
2668
2669 print_file(file, 2, "0x%x,\t/* FC_ENCAPSULATED_UNION */\n", RPC_FC_ENCAPSULATED_UNION);
2670 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
2671 0x40 | fc, string_of_type(fc));
2672 *tfsoff += 2;
2673 }
2674 else if (is_attr(type->attrs, ATTR_SWITCHTYPE))
2675 {
2676 static const expr_t dummy_expr; /* FIXME */
2677 const type_t *st = get_attrp(type->attrs, ATTR_SWITCHTYPE);
2678 unsigned char fc;
2679
2680 if (type_get_type(st) == TYPE_BASIC)
2681 {
2682 switch (get_basic_fc(st))
2683 {
2684 case RPC_FC_CHAR:
2685 case RPC_FC_SMALL:
2686 case RPC_FC_USMALL:
2687 case RPC_FC_SHORT:
2688 case RPC_FC_USHORT:
2689 case RPC_FC_LONG:
2690 case RPC_FC_ULONG:
2691 case RPC_FC_ENUM16:
2692 case RPC_FC_ENUM32:
2693 fc = get_basic_fc(st);
2694 break;
2695 default:
2696 fc = 0;
2697 error("union switch type must be an integer, char, or enum\n");
2698 }
2699 }
2700 else if (type_get_type(st) == TYPE_ENUM)
2701 fc = get_enum_fc(st);
2702 else
2703 error("union switch type must be an integer, char, or enum\n");
2704
2705 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
2706 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
2707 fc, string_of_type(fc));
2708 *tfsoff += 2;
2709
2710 *tfsoff += write_conf_or_var_desc(file, NULL, *tfsoff, st, &dummy_expr );
2711 print_file(file, 2, "NdrFcShort(0x2),\t/* Offset= 2 (%u) */\n", *tfsoff + 2);
2712 *tfsoff += 2;
2713 print_file(file, 0, "/* %u */\n", *tfsoff);
2714 }
2715
2716 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", size, size);
2717 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", nbranch, nbranch);
2718 *tfsoff += 4;
2719
2720 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2721 {
2722 type_t *ft = f->type;
2723 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
2724 int deflt = is_attr(f->attrs, ATTR_DEFAULT);
2725 expr_t *c;
2726
2727 if (cases == NULL && !deflt)
2728 error("union field %s with neither case nor default attribute\n", f->name);
2729
2730 if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry)
2731 {
2732 /* MIDL doesn't check for duplicate cases, even though that seems
2733 like a reasonable thing to do, it just dumps them to the TFS
2734 like we're going to do here. */
2735 print_file(file, 2, "NdrFcLong(0x%x),\t/* %d */\n", c->cval, c->cval);
2736 *tfsoff += 4;
2737 write_branch_type(file, ft, tfsoff);
2738 }
2739
2740 /* MIDL allows multiple default branches, even though that seems
2741 illogical, it just chooses the last one, which is what we will
2742 do. */
2743 if (deflt)
2744 {
2745 deftype = ft;
2746 nodeftype = 0;
2747 }
2748 }
2749
2750 if (deftype)
2751 {
2752 write_branch_type(file, deftype, tfsoff);
2753 }
2754 else
2755 {
2756 print_file(file, 2, "NdrFcShort(0x%hx),\n", nodeftype);
2757 *tfsoff += 2;
2758 }
2759
2760 return start_offset;
2761 }
2762
2763 static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
2764 unsigned int *typeformat_offset)
2765 {
2766 unsigned int i;
2767 unsigned int start_offset = *typeformat_offset;
2768 expr_t *iid = get_attrp(attrs, ATTR_IIDIS);
2769
2770 print_start_tfs_comment(file, type, start_offset);
2771
2772 if (iid)
2773 {
2774 print_file(file, 2, "0x2f, /* FC_IP */\n");
2775 print_file(file, 2, "0x5c, /* FC_PAD */\n");
2776 *typeformat_offset
2777 += write_conf_or_var_desc(file, current_structure, 0, type, iid) + 2;
2778 }
2779 else
2780 {
2781 const type_t *base = is_ptr(type) ? type_pointer_get_ref(type) : type;
2782 const UUID *uuid = get_attrp(base->attrs, ATTR_UUID);
2783
2784 if (! uuid)
2785 error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
2786
2787 update_tfsoff(type, start_offset, file);
2788 print_file(file, 2, "0x2f,\t/* FC_IP */\n");
2789 print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n");
2790 print_file(file, 2, "NdrFcLong(0x%08x),\n", uuid->Data1);
2791 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2);
2792 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3);
2793 for (i = 0; i < 8; ++i)
2794 print_file(file, 2, "0x%02x,\n", uuid->Data4[i]);
2795
2796 if (file)
2797 fprintf(file, "\n");
2798
2799 *typeformat_offset += 18;
2800 }
2801 return start_offset;
2802 }
2803
2804 static unsigned int write_contexthandle_tfs(FILE *file,
2805 const attr_list_t *attrs,
2806 const type_t *type,
2807 unsigned int *typeformat_offset)
2808 {
2809 unsigned int start_offset = *typeformat_offset;
2810 unsigned char flags = 0;
2811
2812 if (is_attr(current_iface->attrs, ATTR_STRICTCONTEXTHANDLE))
2813 flags |= NDR_STRICT_CONTEXT_HANDLE;
2814
2815 if (is_ptr(type))
2816 flags |= 0x80;
2817 if (is_attr(attrs, ATTR_IN))
2818 {
2819 flags |= 0x40;
2820 if (!is_attr(attrs, ATTR_OUT))
2821 flags |= NDR_CONTEXT_HANDLE_CANNOT_BE_NULL;
2822 }
2823 if (is_attr(attrs, ATTR_OUT))
2824 flags |= 0x20;
2825
2826 WRITE_FCTYPE(file, FC_BIND_CONTEXT, *typeformat_offset);
2827 print_file(file, 2, "0x%x,\t/* Context flags: ", flags);
2828 /* return and can't be null values overlap */
2829 if (((flags & 0x21) != 0x21) && (flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL))
2830 print_file(file, 0, "can't be null, ");
2831 if (flags & NDR_CONTEXT_HANDLE_SERIALIZE)
2832 print_file(file, 0, "serialize, ");
2833 if (flags & NDR_CONTEXT_HANDLE_NO_SERIALIZE)
2834 print_file(file, 0, "no serialize, ");
2835 if (flags & NDR_STRICT_CONTEXT_HANDLE)
2836 print_file(file, 0, "strict, ");
2837 if ((flags & 0x21) == 0x20)
2838 print_file(file, 0, "out, ");
2839 if ((flags & 0x21) == 0x21)
2840 print_file(file, 0, "return, ");
2841 if (flags & 0x40)
2842 print_file(file, 0, "in, ");
2843 if (flags & 0x80)
2844 print_file(file, 0, "via ptr, ");
2845 print_file(file, 0, "*/\n");
2846 print_file(file, 2, "0, /* FIXME: rundown routine index*/\n");
2847 print_file(file, 2, "0, /* FIXME: param num */\n");
2848 *typeformat_offset += 4;
2849
2850 return start_offset;
2851 }
2852
2853 static unsigned int write_range_tfs(FILE *file, const attr_list_t *attrs,
2854 type_t *type, expr_list_t *range_list,
2855 unsigned int *typeformat_offset)
2856 {
2857 unsigned char fc;
2858 unsigned int start_offset = *typeformat_offset;
2859 const expr_t *range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry);
2860 const expr_t *range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
2861
2862 if (type_get_type(type) == TYPE_BASIC)
2863 fc = get_basic_fc(type);
2864 else
2865 fc = get_enum_fc(type);
2866
2867 /* fc must fit in lower 4-bits of 8-bit field below */
2868 assert(fc <= 0xf);
2869
2870 print_file(file, 0, "/* %u */\n", *typeformat_offset);
2871 print_file(file, 2, "0x%x,\t/* FC_RANGE */\n", RPC_FC_RANGE);
2872 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2873 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_min->cval, range_min->cval);
2874 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_max->cval, range_max->cval);
2875 *typeformat_offset += 10;
2876
2877 return start_offset;
2878 }
2879
2880 static unsigned int write_type_tfs(FILE *file, int indent,
2881 const attr_list_t *attrs, type_t *type,
2882 const char *name,
2883 enum type_context context,
2884 unsigned int *typeformat_offset)
2885 {
2886 unsigned int offset;
2887
2888 switch (typegen_detect_type(type, attrs, TDT_ALL_TYPES))
2889 {
2890 case TGT_CTXT_HANDLE:
2891 case TGT_CTXT_HANDLE_POINTER:
2892 return write_contexthandle_tfs(file, attrs, type, typeformat_offset);
2893 case TGT_USER_TYPE:
2894 write_user_tfs(file, type, typeformat_offset);
2895 return type->typestring_offset;
2896 case TGT_STRING:
2897 return write_string_tfs(file, attrs, type,
2898 context == TYPE_CONTEXT_TOPLEVELPARAM,
2899 name, typeformat_offset);
2900 case TGT_ARRAY:
2901 {
2902 unsigned int off;
2903 /* conformant and pointer arrays are handled specially */
2904 if ((context != TYPE_CONTEXT_CONTAINER &&
2905 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS) ||
2906 !is_conformant_array(type) || type_array_is_decl_as_ptr(type))
2907 off = write_array_tfs(file, attrs, type, name, typeformat_offset);
2908 else
2909 off = 0;
2910 if (context != TYPE_CONTEXT_CONTAINER &&
2911 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS)
2912 {
2913 int ptr_type;
2914 ptr_type = get_pointer_fc(type, attrs,
2915 context == TYPE_CONTEXT_TOPLEVELPARAM);
2916 if (ptr_type != RPC_FC_RP)
2917 {
2918 unsigned int absoff = type->typestring_offset;
2919 short reloff = absoff - (*typeformat_offset + 2);
2920 off = *typeformat_offset;
2921 print_file(file, 0, "/* %d */\n", off);
2922 print_file(file, 2, "0x%x, 0x0,\t/* %s */\n", ptr_type,
2923 string_of_type(ptr_type));
2924 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2925 reloff, reloff, absoff);
2926 *typeformat_offset += 4;
2927 }
2928 }
2929 return off;
2930 }
2931 case TGT_STRUCT:
2932 if (processed(type)) return type->typestring_offset;
2933 return write_struct_tfs(file, type, name, typeformat_offset);
2934 case TGT_UNION:
2935 if (processed(type)) return type->typestring_offset;
2936 return write_union_tfs(file, type, typeformat_offset);
2937 case TGT_ENUM:
2938 case TGT_BASIC:
2939 /* nothing to do */
2940 return 0;
2941 case TGT_RANGE:
2942 {
2943 expr_list_t *range_list = get_attrp(attrs, ATTR_RANGE);
2944 if (!range_list)
2945 range_list = get_aliaschain_attrp(type, ATTR_RANGE);
2946 return write_range_tfs(file, attrs, type, range_list, typeformat_offset);
2947 }
2948 case TGT_IFACE_POINTER:
2949 return write_ip_tfs(file, attrs, type, typeformat_offset);
2950 case TGT_POINTER:
2951 if (processed(type_pointer_get_ref(type)))
2952 offset = type_pointer_get_ref(type)->typestring_offset;
2953 else
2954 {
2955 enum type_context ref_context;
2956 if (context == TYPE_CONTEXT_TOPLEVELPARAM)
2957 ref_context = TYPE_CONTEXT_PARAM;
2958 else if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS)
2959 ref_context = TYPE_CONTEXT_CONTAINER;
2960 else
2961 ref_context = context;
2962 offset = write_type_tfs(
2963 file, indent, attrs, type_pointer_get_ref(type), name,
2964 ref_context, typeformat_offset);
2965 }
2966 if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS)
2967 return 0;
2968 else
2969 return write_pointer_tfs(file, attrs, type, offset,
2970 context == TYPE_CONTEXT_TOPLEVELPARAM,
2971 typeformat_offset);
2972 case TGT_INVALID:
2973 break;
2974 }
2975 error("invalid type %s for var %s\n", type->name, name);
2976 return 0;
2977 }
2978
2979 static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
2980 const char *name, int write_ptr, unsigned int *tfsoff)
2981 {
2982 return write_type_tfs(file, 2, attrs, type, name, write_ptr ? TYPE_CONTEXT_CONTAINER : TYPE_CONTEXT_CONTAINER_NO_POINTERS, tfsoff);
2983 }
2984
2985 static unsigned int process_tfs_stmts(FILE *file, const statement_list_t *stmts,
2986 type_pred_t pred, unsigned int *typeformat_offset)
2987 {
2988 const var_t *var;
2989 const statement_t *stmt;
2990
2991 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
2992 {
2993 const type_t *iface;
2994 const statement_t *stmt_func;
2995
2996 if (stmt->type == STMT_LIBRARY)
2997 {
2998 process_tfs_stmts(file, stmt->u.lib->stmts, pred, typeformat_offset);
2999 continue;
3000 }
3001 else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
3002 continue;
3003
3004 iface = stmt->u.type;
3005 if (!pred(iface))
3006 continue;
3007
3008 current_iface = iface;
3009 STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
3010 {
3011 const var_t *func = stmt_func->u.var;
3012 if (is_local(func->attrs)) continue;
3013
3014 if (!is_void(type_function_get_rettype(func->type)))
3015 {
3016 update_tfsoff(type_function_get_rettype(func->type),
3017 write_type_tfs(
3018 file, 2, func->attrs,
3019 type_function_get_rettype(func->type),
3020 func->name, TYPE_CONTEXT_PARAM,
3021 typeformat_offset),
3022 file);
3023 }
3024
3025 if (type_get_function_args(func->type))
3026 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3027 update_tfsoff(
3028 var->type,
3029 write_type_tfs(
3030 file, 2, var->attrs, var->type, var->name,
3031 TYPE_CONTEXT_TOPLEVELPARAM,
3032 typeformat_offset),
3033 file);
3034 }
3035 }
3036
3037 return *typeformat_offset + 1;
3038 }
3039
3040 static unsigned int process_tfs(FILE *file, const statement_list_t *stmts, type_pred_t pred)
3041 {
3042 unsigned int typeformat_offset = 2;
3043
3044 return process_tfs_stmts(file, stmts, pred, &typeformat_offset);
3045 }
3046
3047
3048 void write_typeformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
3049 {
3050 int indent = 0;
3051
3052 print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
3053 print_file(file, indent, "{\n");
3054 indent++;
3055 print_file(file, indent, "0,\n");
3056 print_file(file, indent, "{\n");
3057 indent++;
3058 print_file(file, indent, "NdrFcShort(0x0),\n");
3059
3060 set_all_tfswrite(TRUE);
3061 process_tfs(file, stmts, pred);
3062
3063 print_file(file, indent, "0x0\n");
3064 indent--;
3065 print_file(file, indent, "}\n");
3066 indent--;
3067 print_file(file, indent, "};\n");
3068 print_file(file, indent, "\n");
3069 }
3070
3071 static unsigned int get_required_buffer_size_type(
3072 const type_t *type, const char *name, const attr_list_t *attrs, int toplevel_param, unsigned int *alignment)
3073 {
3074 *alignment = 0;
3075 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS|TDT_IGNORE_RANGES))
3076 {
3077 case TGT_USER_TYPE:
3078 {
3079 const char *uname;
3080 const type_t *utype = get_user_type(type, &uname);
3081 return get_required_buffer_size_type(utype, uname, NULL, FALSE, alignment);
3082 }
3083 case TGT_BASIC:
3084 switch (get_basic_fc(type))
3085 {
3086 case RPC_FC_BYTE:
3087 case RPC_FC_CHAR:
3088 case RPC_FC_USMALL:
3089 case RPC_FC_SMALL:
3090 *alignment = 4;
3091 return 1;
3092
3093 case RPC_FC_WCHAR:
3094 case RPC_FC_USHORT:
3095 case RPC_FC_SHORT:
3096 *alignment = 4;
3097 return 2;
3098
3099 case RPC_FC_ULONG:
3100 case RPC_FC_LONG:
3101 case RPC_FC_FLOAT:
3102 case RPC_FC_ERROR_STATUS_T:
3103 *alignment = 4;
3104 return 4;
3105
3106 case RPC_FC_HYPER:
3107 case RPC_FC_DOUBLE:
3108 *alignment = 8;
3109 return 8;
3110
3111 case RPC_FC_INT3264:
3112 case RPC_FC_UINT3264:
3113 assert( pointer_size );
3114 *alignment = pointer_size;
3115 return pointer_size;
3116
3117 case RPC_FC_IGNORE:
3118 case RPC_FC_BIND_PRIMITIVE:
3119 return 0;
3120
3121 default:
3122 error("get_required_buffer_size: unknown basic type 0x%02x\n",
3123 get_basic_fc(type));
3124 return 0;
3125 }
3126 break;
3127
3128 case TGT_ENUM:
3129 switch (get_enum_fc(type))
3130 {
3131 case RPC_FC_ENUM32:
3132 *alignment = 4;
3133 return 4;
3134 case RPC_FC_ENUM16:
3135 *alignment = 4;
3136 return 2;
3137 }
3138 break;
3139
3140 case TGT_STRUCT:
3141 if (get_struct_fc(type) == RPC_FC_STRUCT)
3142 {
3143 if (!type_struct_get_fields(type)) return 0;
3144 return fields_memsize(type_struct_get_fields(type), alignment);
3145 }
3146 break;
3147
3148 case TGT_POINTER:
3149 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_RP)
3150 {
3151 const type_t *ref = type_pointer_get_ref(type);
3152 switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
3153 {
3154 case TGT_BASIC:
3155 case TGT_ENUM:
3156 case TGT_RANGE:
3157 return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
3158 case TGT_STRUCT:
3159 if (get_struct_fc(ref) == RPC_FC_STRUCT)
3160 return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
3161 break;
3162 case TGT_USER_TYPE:
3163 case TGT_CTXT_HANDLE:
3164 case TGT_CTXT_HANDLE_POINTER:
3165 case TGT_STRING:
3166 case TGT_POINTER:
3167 case TGT_ARRAY:
3168 case TGT_IFACE_POINTER:
3169 case TGT_UNION:
3170 case TGT_INVALID:
3171 break;
3172 }
3173 }
3174 break;
3175
3176 case TGT_ARRAY:
3177 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_RP)
3178 return type_array_get_dim(type) *
3179 get_required_buffer_size_type(type_array_get_element(type), name,
3180 NULL, FALSE, alignment);
3181
3182 default:
3183 break;
3184 }
3185 return 0;
3186 }
3187
3188 static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass)
3189 {
3190 int in_attr = is_attr(var->attrs, ATTR_IN);
3191 int out_attr = is_attr(var->attrs, ATTR_OUT);
3192
3193 if (!in_attr && !out_attr)
3194 in_attr = 1;
3195
3196 *alignment = 0;
3197
3198 if ((pass == PASS_IN && in_attr) || (pass == PASS_OUT && out_attr) ||
3199 pass == PASS_RETURN)
3200 {
3201 if (is_ptrchain_attr(var, ATTR_CONTEXTHANDLE))
3202 {
3203 *alignment = 4;
3204 return 20;
3205 }
3206
3207 if (!is_string_type(var->attrs, var->type))
3208 return get_required_buffer_size_type(var->type, var->name,
3209 var->attrs, TRUE, alignment);
3210 }
3211 return 0;
3212 }
3213
3214 static unsigned int get_function_buffer_size( const var_t *func, enum pass pass )
3215 {
3216 const var_t *var;
3217 unsigned int total_size = 0, alignment;
3218
3219 if (type_get_function_args(func->type))
3220 {
3221 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3222 {
3223 total_size += get_required_buffer_size(var, &alignment, pass);
3224 total_size += alignment;
3225 }
3226 }
3227
3228 if (pass == PASS_OUT && !is_void(type_function_get_rettype(func->type)))
3229 {
3230 var_t v = *func;
3231 v.type = type_function_get_rettype(func->type);
3232 total_size += get_required_buffer_size(&v, &alignment, PASS_RETURN);
3233 total_size += alignment;
3234 }
3235 return total_size;
3236 }
3237
3238 static void print_phase_function(FILE *file, int indent, const char *type,
3239 const char *local_var_prefix, enum remoting_phase phase,
3240 const var_t *var, unsigned int type_offset)
3241 {
3242 const char *function;
3243 switch (phase)
3244 {
3245 case PHASE_BUFFERSIZE:
3246 function = "BufferSize";
3247 break;
3248 case PHASE_MARSHAL:
3249 function = "Marshall";
3250 break;
3251 case PHASE_UNMARSHAL:
3252 function = "Unmarshall";
3253 break;
3254 case PHASE_FREE:
3255 function = "Free";
3256 break;
3257 default:
3258 assert(0);
3259 return;
3260 }
3261
3262 print_file(file, indent, "Ndr%s%s(\n", type, function);
3263 indent++;
3264 print_file(file, indent, "&__frame->_StubMsg,\n");
3265 print_file(file, indent, "%s%s%s%s%s,\n",
3266 (phase == PHASE_UNMARSHAL) ? "(unsigned char **)" : "(unsigned char *)",
3267 (phase == PHASE_UNMARSHAL || decl_indirect(var->type)) ? "&" : "",
3268 local_var_prefix,
3269 (phase == PHASE_UNMARSHAL && decl_indirect(var->type)) ? "_p_" : "",
3270 var->name);
3271 print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
3272 type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");");
3273 if (phase == PHASE_UNMARSHAL)
3274 print_file(file, indent, "0);\n");
3275 indent--;
3276 }
3277
3278 void print_phase_basetype(FILE *file, int indent, const char *local_var_prefix,
3279 enum remoting_phase phase, enum pass pass, const var_t *var,
3280 const char *varname)
3281 {
3282 type_t *type = var->type;
3283 unsigned int alignment = 0;
3284
3285 /* no work to do for other phases, buffer sizing is done elsewhere */
3286 if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL)
3287 return;
3288
3289 if (type_get_type(type) == TYPE_ENUM ||
3290 (type_get_type(type) == TYPE_BASIC &&
3291 type_basic_get_type(type) == TYPE_BASIC_INT3264 &&
3292 pointer_size != 4))
3293 {
3294 unsigned char fc;
3295
3296 if (type_get_type(type) == TYPE_ENUM)
3297 fc = get_enum_fc(type);
3298 else
3299 fc = get_basic_fc(type);
3300
3301 if (phase == PHASE_MARSHAL)
3302 print_file(file, indent, "NdrSimpleTypeMarshall(\n");
3303 else
3304 print_file(file, indent, "NdrSimpleTypeUnmarshall(\n");
3305 print_file(file, indent+1, "&__frame->_StubMsg,\n");
3306 print_file(file, indent+1, "(unsigned char *)&%s%s,\n",
3307 local_var_prefix,
3308 var->name);
3309 print_file(file, indent+1, "0x%02x /* %s */);\n", fc, string_of_type(fc));
3310 }
3311 else
3312 {
3313 const type_t *ref = is_ptr(type) ? type_pointer_get_ref(type) : type;
3314 switch (get_basic_fc(ref))
3315 {
3316 case RPC_FC_BYTE:
3317 case RPC_FC_CHAR:
3318 case RPC_FC_SMALL:
3319 case RPC_FC_USMALL:
3320 alignment = 1;
3321 break;
3322
3323 case RPC_FC_WCHAR:
3324 case RPC_FC_USHORT:
3325 case RPC_FC_SHORT:
3326 alignment = 2;
3327 break;
3328
3329 case RPC_FC_ULONG:
3330 case RPC_FC_LONG:
3331 case RPC_FC_FLOAT:
3332 case RPC_FC_ERROR_STATUS_T:
3333 /* pointer_size must be 4 if we got here in these two cases */
3334 case RPC_FC_INT3264:
3335 case RPC_FC_UINT3264:
3336 alignment = 4;
3337 break;
3338
3339 case RPC_FC_HYPER:
3340 case RPC_FC_DOUBLE:
3341 alignment = 8;
3342 break;
3343
3344 case RPC_FC_IGNORE:
3345 case RPC_FC_BIND_PRIMITIVE:
3346 /* no marshalling needed */
3347 return;
3348
3349 default:
3350 error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n",
3351 var->name, get_basic_fc(ref));
3352 }
3353
3354 if (phase == PHASE_MARSHAL && alignment > 1)
3355 print_file(file, indent, "MIDL_memset(__frame->_StubMsg.Buffer, 0, (0x%x - (ULONG_PTR)__frame->_StubMsg.Buffer) & 0x%x);\n", alignment, alignment - 1);
3356 print_file(file, indent, "__frame->_StubMsg.Buffer = (unsigned char *)(((ULONG_PTR)__frame->_StubMsg.Buffer + %u) & ~0x%x);\n",
3357 alignment - 1, alignment - 1);
3358
3359 if (phase == PHASE_MARSHAL)
3360 {
3361 print_file(file, indent, "*(");
3362 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3363 if (is_ptr(type))
3364 fprintf(file, " *)__frame->_StubMsg.Buffer = *");
3365 else
3366 fprintf(file, " *)__frame->_StubMsg.Buffer = ");
3367 fprintf(file, "%s%s", local_var_prefix, varname);
3368 fprintf(file, ";\n");
3369 }
3370 else if (phase == PHASE_UNMARSHAL)
3371 {
3372 print_file(file, indent, "if (__frame->_StubMsg.Buffer + sizeof(");
3373 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3374 fprintf(file, ") > __frame->_StubMsg.BufferEnd)\n");
3375 print_file(file, indent, "{\n");
3376 print_file(file, indent + 1, "RpcRaiseException(RPC_X_BAD_STUB_DATA);\n");
3377 print_file(file, indent, "}\n");
3378 print_file(file, indent, "%s%s%s",
3379 (pass == PASS_IN || pass == PASS_RETURN) ? "" : "*",
3380 local_var_prefix, varname);
3381 if (pass == PASS_IN && is_ptr(type))
3382 fprintf(file, " = (");
3383 else
3384 fprintf(file, " = *(");
3385 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3386 fprintf(file, " *)__frame->_StubMsg.Buffer;\n");
3387 }
3388
3389 print_file(file, indent, "__frame->_StubMsg.Buffer += sizeof(");
3390 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3391 fprintf(file, ");\n");
3392 }
3393 }
3394
3395 /* returns whether the MaxCount, Offset or ActualCount members need to be
3396 * filled in for the specified phase */
3397 static inline int is_conformance_needed_for_phase(enum remoting_phase phase)
3398 {
3399 return (phase != PHASE_UNMARSHAL);
3400 }
3401
3402 expr_t *get_size_is_expr(const type_t *t, const char *name)
3403 {
3404 expr_t *x = NULL;
3405
3406 for ( ; is_array(t); t = type_array_get_element(t))
3407 if (type_array_has_conformance(t) &&
3408 type_array_get_conformance(t)->type != EXPR_VOID)
3409 {
3410 if (!x)
3411 x = type_array_get_conformance(t);
3412 else
3413 error("%s: multidimensional conformant"
3414 " arrays not supported at the top level\n",
3415 name);
3416 }
3417
3418 return x;
3419 }
3420
3421 static void write_parameter_conf_or_var_exprs(FILE *file, int indent, const char *local_var_prefix,
3422 enum remoting_phase phase, const var_t *var)
3423 {
3424 const type_t *type = var->type;
3425 /* get fundamental type for the argument */
3426 for (;;)
3427 {
3428 switch (typegen_detect_type(type, var->attrs, TDT_IGNORE_STRINGS|TDT_IGNORE_RANGES))
3429 {
3430 case TGT_ARRAY:
3431 if (is_conformance_needed_for_phase(phase))
3432 {
3433 if (type_array_has_conformance(type) &&
3434 type_array_get_conformance(type)->type != EXPR_VOID)
3435 {
3436 print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
3437 write_expr(file, type_array_get_conformance(type), 1, 1, NULL, NULL, local_var_prefix);
3438 fprintf(file, ";\n\n");
3439 }
3440 if (type_array_has_variance(type))
3441 {
3442 print_file(file, indent, "__frame->_StubMsg.Offset = 0;\n"); /* FIXME */
3443 print_file(file, indent, "__frame->_StubMsg.ActualCount = (ULONG_PTR)");
3444 write_expr(file, type_array_get_variance(type), 1, 1, NULL, NULL, local_var_prefix);
3445 fprintf(file, ";\n\n");
3446 }
3447 }
3448 break;
3449 case TGT_UNION:
3450 if (type_get_type(type) == TYPE_UNION &&
3451 is_conformance_needed_for_phase(phase))
3452 {
3453 print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
3454 write_expr(file, get_attrp(var->attrs, ATTR_SWITCHIS), 1, 1, NULL, NULL, local_var_prefix);
3455 fprintf(file, ";\n\n");
3456 }
3457 break;
3458 case TGT_IFACE_POINTER:
3459 {
3460 expr_t *iid;
3461
3462 if (is_conformance_needed_for_phase(phase) && (iid = get_attrp( var->attrs, ATTR_IIDIS )))
3463 {
3464 print_file( file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR) " );
3465 write_expr( file, iid, 1, 1, NULL, NULL, local_var_prefix );
3466 fprintf( file, ";\n\n" );
3467 }
3468 break;
3469 }
3470 case TGT_POINTER:
3471 type = type_pointer_get_ref(type);
3472 continue;
3473 case TGT_INVALID:
3474 case TGT_USER_TYPE:
3475 case TGT_CTXT_HANDLE:
3476 case TGT_CTXT_HANDLE_POINTER:
3477 case TGT_STRING:
3478 case TGT_BASIC:
3479 case TGT_ENUM:
3480 case TGT_STRUCT:
3481 case TGT_RANGE:
3482 break;
3483 }
3484 break;
3485 }
3486 }
3487
3488 static void write_remoting_arg(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
3489 enum pass pass, enum remoting_phase phase, const var_t *var)
3490 {
3491 int in_attr, out_attr, pointer_type;
3492 const type_t *type = var->type;
3493 unsigned int start_offset = type->typestring_offset;
3494
3495 if (is_ptr(type) || is_array(type))
3496 pointer_type = get_pointer_fc(type, var->attrs, pass != PASS_RETURN);
3497 else
3498 pointer_type = 0;
3499
3500 in_attr = is_attr(var->attrs, ATTR_IN);
3501 out_attr = is_attr(var->attrs, ATTR_OUT);
3502 if (!in_attr && !out_attr)
3503 in_attr = 1;
3504
3505 if (phase != PHASE_FREE)
3506 switch (pass)
3507 {
3508 case PASS_IN:
3509 if (!in_attr) return;
3510 break;
3511 case PASS_OUT:
3512 if (!out_attr) return;
3513 break;
3514 case PASS_RETURN:
3515 break;
3516 }
3517
3518 write_parameter_conf_or_var_exprs(file, indent, local_var_prefix, phase, var);
3519
3520 switch (typegen_detect_type(type, var->attrs, TDT_ALL_TYPES))
3521 {
3522 case TGT_CTXT_HANDLE:
3523 case TGT_CTXT_HANDLE_POINTER:
3524 if (phase == PHASE_MARSHAL)
3525 {
3526 if (pass == PASS_IN)
3527 {
3528 /* if the context_handle attribute appears in the chain of types
3529 * without pointers being followed, then the context handle must
3530 * be direct, otherwise it is a pointer */
3531 int is_ch_ptr = is_aliaschain_attr(type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE;
3532 print_file(file, indent, "NdrClientContextMarshall(\n");
3533 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3534 print_file(file, indent + 1, "(NDR_CCONTEXT)%s%s%s,\n", is_ch_ptr ? "*" : "", local_var_prefix, var->name);
3535 print_file(file, indent + 1, "%s);\n", in_attr && out_attr ? "1" : "0");
3536 }
3537 else
3538 {
3539 print_file(file, indent, "NdrServerContextNewMarshall(\n");
3540 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3541 print_file(file, indent + 1, "(NDR_SCONTEXT)%s%s,\n", local_var_prefix, var->name);
3542 print_file(file, indent + 1, "(NDR_RUNDOWN)%s_rundown,\n", get_context_handle_type_name(var->type));
3543 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
3544 }
3545 }
3546 else if (phase == PHASE_UNMARSHAL)
3547 {
3548 if (pass == PASS_OUT)
3549 {
3550 if (!in_attr)
3551 print_file(file, indent, "*%s%s = 0;\n", local_var_prefix, var->name);
3552 print_file(file, indent, "NdrClientContextUnmarshall(\n");
3553 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3554 print_file(file, indent + 1, "(NDR_CCONTEXT *)%s%s,\n", local_var_prefix, var->name);
3555 print_file(file, indent + 1, "__frame->_Handle);\n");
3556 }
3557 else
3558 {
3559 print_file(file, indent, "%s%s = NdrServerContextNewUnmarshall(\n", local_var_prefix, var->name);
3560 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3561 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
3562 }
3563 }
3564 break;
3565 case TGT_USER_TYPE:
3566 print_phase_function(file, indent, "UserMarshal", local_var_prefix, phase, var, start_offset);
3567 break;
3568 case TGT_STRING:
3569 if (phase == PHASE_FREE || pass == PASS_RETURN ||
3570 pointer_type != RPC_FC_RP)
3571 {
3572 if (pointer_type == RPC_FC_RP && phase == PHASE_FREE &&
3573 !in_attr && is_conformant_array(type))
3574 {
3575 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3576 indent++;
3577 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3578 }
3579 /* strings returned are assumed to be global and hence don't
3580 * need freeing */
3581 else if (is_declptr(type) &&
3582 !(phase == PHASE_FREE && pass == PASS_RETURN))
3583 print_phase_function(file, indent, "Pointer", local_var_prefix,
3584 phase, var, start_offset);
3585 }
3586 else
3587 {
3588 unsigned int real_start_offset = start_offset;
3589 /* skip over pointer description straight to string description */
3590 if (is_declptr(type))
3591 {
3592 if (is_conformant_array(type))
3593 real_start_offset += 4;
3594 else
3595 real_start_offset += 2;
3596 }
3597 if (is_array(type) && !is_conformant_array(type))
3598 print_phase_function(file, indent, "NonConformantString",
3599 local_var_prefix, phase, var,
3600 real_start_offset);
3601 else
3602 print_phase_function(file, indent, "ConformantString", local_var_prefix,
3603 phase, var, real_start_offset);
3604 }
3605 break;
3606 case TGT_ARRAY:
3607 {
3608 unsigned char tc = get_array_fc(type);
3609 const char *array_type = NULL;
3610
3611 /* We already have the size_is expression since it's at the
3612 top level, but do checks for multidimensional conformant
3613 arrays. When we handle them, we'll need to extend this
3614 function to return a list, and then we'll actually use
3615 the return value. */
3616 get_size_is_expr(type, var->name);
3617
3618 switch (tc)
3619 {
3620 case RPC_FC_SMFARRAY:
3621 case RPC_FC_LGFARRAY:
3622 array_type = "FixedArray";
3623 break;
3624 case RPC_FC_SMVARRAY:
3625 case RPC_FC_LGVARRAY:
3626 array_type = "VaryingArray";
3627 break;
3628 case RPC_FC_CARRAY:
3629 array_type = "ConformantArray";
3630 break;
3631 case RPC_FC_CVARRAY:
3632 array_type = "ConformantVaryingArray";
3633 break;
3634 case RPC_FC_BOGUS_ARRAY:
3635 array_type = "ComplexArray";
3636 break;
3637 }
3638
3639 if (pointer_type != RPC_FC_RP) array_type = "Pointer";
3640 print_phase_function(file, indent, array_type, local_var_prefix, phase, var, start_offset);
3641 if (phase == PHASE_FREE && pointer_type == RPC_FC_RP)
3642 {
3643 /* these are all unmarshalled by allocating memory */
3644 if (tc == RPC_FC_BOGUS_ARRAY ||
3645 tc == RPC_FC_CVARRAY ||
3646 ((tc == RPC_FC_SMVARRAY || tc == RPC_FC_LGVARRAY) && in_attr) ||
3647 (tc == RPC_FC_CARRAY && !in_attr))
3648 {
3649 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3650 indent++;
3651 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3652 }
3653 }
3654 break;
3655 }
3656 case TGT_BASIC:
3657 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3658 break;
3659 case TGT_ENUM:
3660 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3661 break;
3662 case TGT_RANGE:
3663 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3664 /* Note: this goes beyond what MIDL does - it only supports arguments
3665 * with the [range] attribute in Oicf mode */
3666 if (phase == PHASE_UNMARSHAL)
3667 {
3668 const expr_t *range_min;
3669 const expr_t *range_max;
3670 expr_list_t *range_list = get_attrp(var->attrs, ATTR_RANGE);
3671 if (!range_list)
3672 range_list = get_aliaschain_attrp(type, ATTR_RANGE);
3673 range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry);
3674 range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
3675
3676 print_file(file, indent, "if ((%s%s < (", local_var_prefix, var->name);
3677 write_type_decl(file, var->type, NULL);
3678 fprintf(file, ")0x%x) || (%s%s > (", range_min->cval, local_var_prefix, var->name);
3679 write_type_decl(file, var->type, NULL);
3680 fprintf(file, ")0x%x))\n", range_max->cval);
3681 print_file(file, indent, "{\n");
3682 print_file(file, indent+1, "RpcRaiseException(RPC_S_INVALID_BOUND);\n");
3683 print_file(file, indent, "}\n");
3684 }
3685 break;
3686 case TGT_STRUCT:
3687 switch (get_struct_fc(type))
3688 {
3689 case RPC_FC_STRUCT:
3690 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3691 print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
3692 break;
3693 case RPC_FC_PSTRUCT:
3694 print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
3695 break;
3696 case RPC_FC_CSTRUCT:
3697 case RPC_FC_CPSTRUCT:
3698 print_phase_function(file, indent, "ConformantStruct", local_var_prefix, phase, var, start_offset);
3699 break;
3700 case RPC_FC_CVSTRUCT:
3701 print_phase_function(file, indent, "ConformantVaryingStruct", local_var_prefix, phase, var, start_offset);
3702 break;
3703 case RPC_FC_BOGUS_STRUCT:
3704 print_phase_function(file, indent, "ComplexStruct", local_var_prefix, phase, var, start_offset);
3705 break;
3706 default:
3707 error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(type));
3708 }
3709 break;
3710 case TGT_UNION:
3711 {
3712 const char *union_type = NULL;
3713
3714 if (type_get_type(type) == TYPE_UNION)
3715 union_type = "NonEncapsulatedUnion";
3716 else if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
3717 union_type = "EncapsulatedUnion";
3718
3719 print_phase_function(file, indent, union_type, local_var_prefix,
3720 phase, var, start_offset);
3721 break;
3722 }
3723 case TGT_POINTER:
3724 {
3725 const type_t *ref = type_pointer_get_ref(type);
3726 if (pointer_type == RPC_FC_RP) switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
3727 {
3728 case TGT_BASIC:
3729 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3730 break;
3731 case TGT_ENUM:
3732 /* base types have known sizes, so don't need a sizing pass
3733 * and don't have any memory to free and so don't need a
3734 * freeing pass */
3735 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3736 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3737 break;
3738 case TGT_STRUCT:
3739 {
3740 const char *struct_type = NULL;
3741 switch (get_struct_fc(ref))
3742 {
3743 case RPC_FC_STRUCT:
3744 /* simple structs have known sizes, so don't need a sizing
3745 * pass and don't have any memory to free and so don't
3746 * need a freeing pass */
3747 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3748 struct_type = "SimpleStruct";
3749 else if (phase == PHASE_FREE && pass == PASS_RETURN)
3750 {
3751 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3752 indent++;
3753 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3754 indent--;
3755 }
3756 break;
3757 case RPC_FC_PSTRUCT:
3758 struct_type = "SimpleStruct";
3759 break;
3760 case RPC_FC_CSTRUCT:
3761 case RPC_FC_CPSTRUCT:
3762 struct_type = "ConformantStruct";
3763 break;
3764 case RPC_FC_CVSTRUCT:
3765 struct_type = "ConformantVaryingStruct";
3766 break;
3767 case RPC_FC_BOGUS_STRUCT:
3768 struct_type = "ComplexStruct";
3769 break;
3770 default:
3771 error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(ref));
3772 }
3773
3774 if (struct_type)
3775 {
3776 if (phase == PHASE_FREE)
3777 struct_type = "Pointer";
3778 else
3779 start_offset = ref->typestring_offset;
3780 print_phase_function(file, indent, struct_type, local_var_prefix, phase, var, start_offset);
3781 }
3782 break;
3783 }
3784 case TGT_UNION:
3785 {
3786 const char *union_type = NULL;
3787 if (phase == PHASE_FREE)
3788 union_type = "Pointer";
3789 else
3790 {
3791 if (type_get_type(ref) == TYPE_UNION)
3792 union_type = "NonEncapsulatedUnion";
3793 else if (type_get_type(ref) == TYPE_ENCAPSULATED_UNION)
3794 union_type = "EncapsulatedUnion";
3795
3796 start_offset = ref->typestring_offset;
3797 }
3798
3799 print_phase_function(file, indent, union_type, local_var_prefix,
3800 phase, var, start_offset);
3801 break;
3802 }
3803 case TGT_STRING:
3804 case TGT_POINTER:
3805 case TGT_ARRAY:
3806 case TGT_RANGE:
3807 case TGT_IFACE_POINTER:
3808 case TGT_USER_TYPE:
3809 case TGT_CTXT_HANDLE:
3810 case TGT_CTXT_HANDLE_POINTER:
3811 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3812 break;
3813 case TGT_INVALID:
3814 assert(0);
3815 break;
3816 }
3817 else
3818 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3819 break;
3820 }
3821 case TGT_IFACE_POINTER:
3822 print_phase_function(file, indent, "InterfacePointer", local_var_prefix, phase, var, start_offset);
3823 break;
3824 case TGT_INVALID:
3825 assert(0);
3826 break;
3827 }
3828 fprintf(file, "\n");
3829 }
3830
3831 void write_remoting_arguments(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
3832 enum pass pass, enum remoting_phase phase)
3833 {
3834 if (phase == PHASE_BUFFERSIZE && pass != PASS_RETURN)
3835 {
3836 unsigned int size = get_function_buffer_size( func, pass );
3837 print_file(file, indent, "__frame->_StubMsg.BufferLength = %u;\n", size);
3838 }
3839
3840 if (pass == PASS_RETURN)
3841 {
3842 var_t var;
3843 var = *func;
3844 var.type = type_function_get_rettype(func->type);
3845 var.name = xstrdup( "_RetVal" );
3846 write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, &var );
3847 free( var.name );
3848 }
3849 else
3850 {
3851 const var_t *var;
3852 if (!type_get_function_args(func->type))
3853 return;
3854 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3855 write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, var );
3856 }
3857 }
3858
3859
3860 unsigned int get_size_procformatstring_type(const char *name, const type_t *type, const attr_list_t *attrs)
3861 {
3862 return write_procformatstring_type(NULL, 0, name, type, attrs, FALSE);
3863 }
3864
3865
3866 unsigned int get_size_procformatstring_func(const var_t *func)
3867 {
3868 const var_t *var;
3869 unsigned int size = 0;
3870
3871 /* argument list size */
3872 if (type_get_function_args(func->type))
3873 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3874 size += get_size_procformatstring_type(var->name, var->type, var->attrs);
3875
3876 /* return value size */
3877 if (is_void(type_function_get_rettype(func->type)))
3878 size += 2; /* FC_END and FC_PAD */
3879 else
3880 size += get_size_procformatstring_type("return value", type_function_get_rettype(func->type), NULL);
3881
3882 return size;
3883 }
3884
3885 unsigned int get_size_procformatstring(const statement_list_t *stmts, type_pred_t pred)
3886 {
3887 const statement_t *stmt;
3888 unsigned int size = 1;
3889
3890 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
3891 {
3892 const type_t *iface;
3893 const statement_t *stmt_func;
3894
3895 if (stmt->type == STMT_LIBRARY)
3896 {
3897 size += get_size_procformatstring(stmt->u.lib->stmts, pred) - 1;
3898 continue;
3899 }
3900 else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
3901 continue;
3902
3903 iface = stmt->u.type;
3904 if (!pred(iface))
3905 continue;
3906
3907 STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
3908 {
3909 const var_t *func = stmt_func->u.var;
3910 if (!is_local(func->attrs))
3911 size += get_size_procformatstring_func( func );
3912 }
3913 }
3914 return size;
3915 }
3916
3917 unsigned int get_size_typeformatstring(const statement_list_t *stmts, type_pred_t pred)
3918 {
3919 set_all_tfswrite(FALSE);
3920 return process_tfs(NULL, stmts, pred);
3921 }
3922
3923 void declare_stub_args( FILE *file, int indent, const var_t *func )
3924 {
3925 int in_attr, out_attr;
3926 int i = 0;
3927 const var_t *var;
3928
3929 /* declare return value '_RetVal' */
3930 if (!is_void(type_function_get_rettype(func->type)))
3931 {
3932 print_file(file, indent, "%s", "");
3933 write_type_decl_left(file, type_function_get_rettype(func->type));
3934 fprintf(file, " _RetVal;\n");
3935 }
3936
3937 if (!type_get_function_args(func->type))
3938 return;
3939
3940 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3941 {
3942 in_attr = is_attr(var->attrs, ATTR_IN);
3943 out_attr = is_attr(var->attrs, ATTR_OUT);
3944 if (!out_attr && !in_attr)
3945 in_attr = 1;
3946
3947 if (is_context_handle(var->type))
3948 print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name);
3949 else
3950 {
3951 if (!in_attr && !is_conformant_array(var->type))
3952 {
3953 type_t *type_to_print;
3954 char name[16];
3955 print_file(file, indent, "%s", "");
3956 if (type_get_type(var->type) == TYPE_ARRAY &&
3957 !type_array_is_decl_as_ptr(var->type))
3958 type_to_print = var->type;
3959 else
3960 type_to_print = type_pointer_get_ref(var->type);
3961 sprintf(name, "_W%u", i++);
3962 write_type_decl(file, type_to_print, name);
3963 fprintf(file, ";\n");
3964 }
3965
3966 print_file(file, indent, "%s", "");
3967 write_type_decl_left(file, var->type);
3968 fprintf(file, " ");
3969 if (type_get_type(var->type) == TYPE_ARRAY &&
3970 !type_array_is_decl_as_ptr(var->type)) {
3971 fprintf(file, "(*%s)", var->name);
3972 } else
3973 fprintf(file, "%s", var->name);
3974 write_type_right(file, var->type, FALSE);
3975 fprintf(file, ";\n");
3976
3977 if (decl_indirect(var->type))
3978 print_file(file, indent, "void *_p_%s;\n", var->name);
3979 }
3980 }
3981 }
3982
3983
3984 void assign_stub_out_args( FILE *file, int indent, const var_t *func, const char *local_var_prefix )
3985 {
3986 int in_attr, out_attr;
3987 int i = 0, sep = 0;
3988 const var_t *var;
3989
3990 if (!type_get_function_args(func->type))
3991 return;
3992
3993 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3994 {
3995 in_attr = is_attr(var->attrs, ATTR_IN);
3996 out_attr = is_attr(var->attrs, ATTR_OUT);
3997 if (!out_attr && !in_attr)
3998 in_attr = 1;
3999
4000 if (!in_attr)
4001 {
4002 print_file(file, indent, "%s%s", local_var_prefix, var->name);
4003
4004 switch (typegen_detect_type(var->type, var->attrs, TDT_IGNORE_STRINGS))
4005 {
4006 case TGT_CTXT_HANDLE_POINTER:
4007 fprintf(file, " = NdrContextHandleInitialize(\n");
4008 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
4009 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n",
4010 var->type->typestring_offset);
4011 break;
4012 case TGT_ARRAY:
4013 if (type_array_has_conformance(var->type))
4014 {
4015 unsigned int size;
4016 type_t *type = var->type;
4017
4018 fprintf(file, " = NdrAllocate(&__frame->_StubMsg, ");
4019 for ( ;
4020 is_array(type) && type_array_has_conformance(type);
4021 type = type_array_get_element(type))
4022 {
4023 write_expr(file, type_array_get_conformance(type), TRUE,
4024 TRUE, NULL, NULL, local_var_prefix);
4025 fprintf(file, " * ");
4026 }
4027 size = type_memsize(type);
4028 fprintf(file, "%u);\n", size);
4029 }
4030 else
4031 fprintf(file, " = &%s_W%u;\n", local_var_prefix, i++);
4032 break;
4033 case TGT_POINTER:
4034 fprintf(file, " = &%s_W%u;\n", local_var_prefix, i);
4035 switch (typegen_detect_type(type_pointer_get_ref(var->type), var->attrs, TDT_IGNORE_STRINGS))
4036 {
4037 case TGT_BASIC:
4038 case TGT_ENUM:
4039 case TGT_POINTER:
4040 case TGT_RANGE:
4041 print_file(file, indent, "%s_W%u = 0;\n", local_var_prefix, i);
4042 break;
4043 case TGT_STRUCT:
4044 case TGT_UNION:
4045 case TGT_USER_TYPE:
4046 case TGT_IFACE_POINTER:
4047 case TGT_ARRAY:
4048 case TGT_CTXT_HANDLE:
4049 case TGT_CTXT_HANDLE_POINTER:
4050 case TGT_INVALID:
4051 case TGT_STRING:
4052 /* not initialised */
4053 break;
4054 }
4055 i++;
4056 break;
4057 default:
4058 break;
4059 }
4060
4061 sep = 1;
4062 }
4063 }
4064 if (sep)
4065 fprintf(file, "\n");
4066 }
4067
4068
4069 int write_expr_eval_routines(FILE *file, const char *iface)
4070 {
4071 static const char *var_name = "pS";
4072 static const char *var_name_expr = "pS->";
4073 int result = 0;
4074 struct expr_eval_routine *eval;
4075 unsigned short callback_offset = 0;
4076
4077 LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
4078 {
4079 const char *name = eval->structure->name;
4080 result = 1;
4081
4082 print_file(file, 0, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n",
4083 iface, name, callback_offset);
4084 print_file(file, 0, "{\n");
4085 print_file(file, 1, "%s", "");
4086 write_type_left(file, (type_t *)eval->structure, TRUE);
4087 fprintf(file, " *%s = (", var_name);
4088 write_type_left(file, (type_t *)eval->structure, TRUE);
4089 fprintf(file, " *)(pStubMsg->StackTop - %u);\n", eval->baseoff);
4090 print_file(file, 1, "pStubMsg->Offset = 0;\n"); /* FIXME */
4091 print_file(file, 1, "pStubMsg->MaxCount = (ULONG_PTR)");
4092 write_expr(file, eval->expr, 1, 1, var_name_expr, eval->structure, "");
4093 fprintf(file, ";\n");
4094 print_file(file, 0, "}\n\n");
4095 callback_offset++;
4096 }
4097 return result;
4098 }
4099
4100 void write_expr_eval_routine_list(FILE *file, const char *iface)
4101 {
4102 struct expr_eval_routine *eval;
4103 struct expr_eval_routine *cursor;
4104 unsigned short callback_offset = 0;
4105
4106 fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n");
4107 fprintf(file, "{\n");
4108
4109 LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry)
4110 {
4111 const char *name = eval->structure->name;
4112 print_file(file, 1, "%s_%sExprEval_%04u,\n", iface, name, callback_offset);
4113 callback_offset++;
4114 list_remove(&eval->entry);
4115 free(eval);
4116 }
4117
4118 fprintf(file, "};\n\n");
4119 }
4120
4121 void write_user_quad_list(FILE *file)
4122 {
4123 user_type_t *ut;
4124
4125 if (list_empty(&user_type_list))
4126 return;
4127
4128 fprintf(file, "static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[] =\n");
4129 fprintf(file, "{\n");
4130 LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
4131 {
4132 const char *sep = &ut->entry == list_tail(&user_type_list) ? "" : ",";
4133 print_file(file, 1, "{\n");
4134 print_file(file, 2, "(USER_MARSHAL_SIZING_ROUTINE)%s_UserSize,\n", ut->name);
4135 print_file(file, 2, "(USER_MARSHAL_MARSHALLING_ROUTINE)%s_UserMarshal,\n", ut->name);
4136 print_file(file, 2, "(USER_MARSHAL_UNMARSHALLING_ROUTINE)%s_UserUnmarshal,\n", ut->name);
4137 print_file(file, 2, "(USER_MARSHAL_FREEING_ROUTINE)%s_UserFree\n", ut->name);
4138 print_file(file, 1, "}%s\n", sep);
4139 }
4140 fprintf(file, "};\n\n");
4141 }
4142
4143 void write_endpoints( FILE *f, const char *prefix, const str_list_t *list )
4144 {
4145 const struct str_list_entry_t *endpoint;
4146 const char *p;
4147
4148 /* this should be an array of RPC_PROTSEQ_ENDPOINT but we want const strings */
4149 print_file( f, 0, "static const unsigned char * const %s__RpcProtseqEndpoint[][2] =\n{\n", prefix );
4150 LIST_FOR_EACH_ENTRY( endpoint, list, const struct str_list_entry_t, entry )
4151 {
4152 print_file( f, 1, "{ (const unsigned char *)\"" );
4153 for (p = endpoint->str; *p && *p != ':'; p++)
4154 {
4155 if (*p == '"' || *p == '\\') fputc( '\\', f );
4156 fputc( *p, f );
4157 }
4158 if (!*p) goto error;
4159 if (p[1] != '[') goto error;
4160
4161 fprintf( f, "\", (const unsigned char *)\"" );
4162 for (p += 2; *p && *p != ']'; p++)
4163 {
4164 if (*p == '"' || *p == '\\') fputc( '\\', f );
4165 fputc( *p, f );
4166 }
4167 if (*p != ']') goto error;
4168 fprintf( f, "\" },\n" );
4169 }
4170 print_file( f, 0, "};\n\n" );
4171 return;
4172
4173 error:
4174 error("Invalid endpoint syntax '%s'\n", endpoint->str);
4175 }
4176
4177 void write_exceptions( FILE *file )
4178 {
4179 fprintf( file, "#ifndef USE_COMPILER_EXCEPTIONS\n");
4180 fprintf( file, "\n");
4181 fprintf( file, "#include \"wine/exception.h\"\n");
4182 fprintf( file, "#undef RpcTryExcept\n");
4183 fprintf( file, "#undef RpcExcept\n");
4184 fprintf( file, "#undef RpcEndExcept\n");
4185 fprintf( file, "#undef RpcTryFinally\n");
4186 fprintf( file, "#undef RpcFinally\n");
4187 fprintf( file, "#undef RpcEndFinally\n");
4188 fprintf( file, "#undef RpcExceptionCode\n");
4189 fprintf( file, "#undef RpcAbnormalTermination\n");
4190 fprintf( file, "\n");
4191 fprintf( file, "struct __exception_frame;\n");
4192 fprintf( file, "typedef int (*__filter_func)(struct __exception_frame *);\n");
4193 fprintf( file, "typedef void (*__finally_func)(struct __exception_frame *);\n");
4194 fprintf( file, "\n");
4195 fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
4196 fprintf( file, " EXCEPTION_REGISTRATION_RECORD frame; \\\n");
4197 fprintf( file, " __filter_func filter; \\\n");
4198 fprintf( file, " __finally_func finally; \\\n");
4199 fprintf( file, " sigjmp_buf jmp; \\\n");
4200 fprintf( file, " DWORD code; \\\n");
4201 fprintf( file, " unsigned char abnormal_termination; \\\n");
4202 fprintf( file, " unsigned char filter_level; \\\n");
4203 fprintf( file, " unsigned char finally_level;\n");
4204 fprintf( file, "\n");
4205 fprintf( file, "struct __exception_frame\n{\n");
4206 fprintf( file, " __DECL_EXCEPTION_FRAME\n");
4207 fprintf( file, "};\n");
4208 fprintf( file, "\n");
4209 fprintf( file, "static inline void __widl_unwind_target(void)\n" );
4210 fprintf( file, "{\n");
4211 fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)__wine_get_frame();\n" );
4212 fprintf( file, " if (exc_frame->finally_level > exc_frame->filter_level)\n" );
4213 fprintf( file, " {\n");
4214 fprintf( file, " exc_frame->abnormal_termination = 1;\n");
4215 fprintf( file, " exc_frame->finally( exc_frame );\n");
4216 fprintf( file, " __wine_pop_frame( &exc_frame->frame );\n");
4217 fprintf( file, " }\n");
4218 fprintf( file, " exc_frame->filter_level = 0;\n");
4219 fprintf( file, " siglongjmp( exc_frame->jmp, 1 );\n");
4220 fprintf( file, "}\n");
4221 fprintf( file, "\n");
4222 fprintf( file, "static DWORD __widl_exception_handler( EXCEPTION_RECORD *record,\n");
4223 fprintf( file, " EXCEPTION_REGISTRATION_RECORD *frame,\n");
4224 fprintf( file, " CONTEXT *context,\n");
4225 fprintf( file, " EXCEPTION_REGISTRATION_RECORD **pdispatcher )\n");
4226 fprintf( file, "{\n");
4227 fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)frame;\n");
4228 fprintf( file, "\n");
4229 fprintf( file, " if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))\n");
4230 fprintf( file, " {\n" );
4231 fprintf( file, " if (exc_frame->finally_level && (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND)))\n");
4232 fprintf( file, " {\n" );
4233 fprintf( file, " exc_frame->abnormal_termination = 1;\n");
4234 fprintf( file, " exc_frame->finally( exc_frame );\n");
4235 fprintf( file, " }\n" );
4236 fprintf( file, " return ExceptionContinueSearch;\n");
4237 fprintf( file, " }\n" );
4238 fprintf( file, " exc_frame->code = record->ExceptionCode;\n");
4239 fprintf( file, " if (exc_frame->filter_level && exc_frame->filter( exc_frame ) == EXCEPTION_EXECUTE_HANDLER)\n" );
4240 fprintf( file, " __wine_rtl_unwind( frame, record, __widl_unwind_target );\n");
4241 fprintf( file, " return ExceptionContinueSearch;\n");
4242 fprintf( file, "}\n");
4243 fprintf( file, "\n");
4244 fprintf( file, "#define RpcTryExcept \\\n");
4245 fprintf( file, " if (!sigsetjmp( __frame->jmp, 0 )) \\\n");
4246 fprintf( file, " { \\\n");
4247 fprintf( file, " if (!__frame->finally_level) \\\n" );
4248 fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
4249 fprintf( file, " __frame->filter_level = __frame->finally_level + 1;\n" );
4250 fprintf( file, "\n");
4251 fprintf( file, "#define RpcExcept(expr) \\\n");
4252 fprintf( file, " if (!__frame->finally_level) \\\n" );
4253 fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
4254 fprintf( file, " __frame->filter_level = 0; \\\n" );
4255 fprintf( file, " } \\\n");
4256 fprintf( file, " else \\\n");
4257 fprintf( file, "\n");
4258 fprintf( file, "#define RpcEndExcept\n");
4259 fprintf( file, "\n");
4260 fprintf( file, "#define RpcExceptionCode() (__frame->code)\n");
4261 fprintf( file, "\n");
4262 fprintf( file, "#define RpcTryFinally \\\n");
4263 fprintf( file, " if (!__frame->filter_level) \\\n");
4264 fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
4265 fprintf( file, " __frame->finally_level = __frame->filter_level + 1;\n");
4266 fprintf( file, "\n");
4267 fprintf( file, "#define RpcFinally \\\n");
4268 fprintf( file, " if (!__frame->filter_level) \\\n");
4269 fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
4270 fprintf( file, " __frame->finally_level = 0;\n");
4271 fprintf( file, "\n");
4272 fprintf( file, "#define RpcEndFinally\n");
4273 fprintf( file, "\n");
4274 fprintf( file, "#define RpcAbnormalTermination() (__frame->abnormal_termination)\n");
4275 fprintf( file, "\n");
4276 fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
4277 fprintf( file, " do { \\\n");
4278 fprintf( file, " __frame->frame.Handler = __widl_exception_handler; \\\n");
4279 fprintf( file, " __frame->filter = (__filter_func)(filter_func); \\\n" );
4280 fprintf( file, " __frame->finally = (__finally_func)(finally_func); \\\n");
4281 fprintf( file, " __frame->abnormal_termination = 0; \\\n");
4282 fprintf( file, " __frame->filter_level = 0; \\\n");
4283 fprintf( file, " __frame->finally_level = 0; \\\n");
4284 fprintf( file, " } while (0)\n");
4285 fprintf( file, "\n");
4286 fprintf( file, "#else /* USE_COMPILER_EXCEPTIONS */\n");
4287 fprintf( file, "\n");
4288 fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
4289 fprintf( file, " do { (void)(filter_func); } while(0)\n");
4290 fprintf( file, "\n");
4291 fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
4292 fprintf( file, " DWORD code;\n");
4293 fprintf( file, "\n");
4294 fprintf( file, "#endif /* USE_COMPILER_EXCEPTIONS */\n");
4295 }
an attempt at megring old patches into wine