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windowscodecs: Implement TiffDecoder_GetResolution.
[wine/multimedia.git] / tools / widl / typegen.c
blob2d2bd75273bf11fd66176b890d80fd80b03fdbaf
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 type_t *type,
827 const attr_list_t *attrs,
828 int is_return)
829 {
830 unsigned int size;
831
832 int is_in = is_attr(attrs, ATTR_IN);
833 int is_out = is_attr(attrs, ATTR_OUT);
834
835 if (!is_in && !is_out) is_in = TRUE;
836
837 if (type_get_type(type) == TYPE_BASIC ||
838 type_get_type(type) == TYPE_ENUM)
839 {
840 unsigned char fc;
841
842 if (is_return)
843 print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n");
844 else
845 print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
846
847 if (type_get_type(type) == TYPE_ENUM)
848 {
849 fc = get_enum_fc(type);
850 }
851 else
852 {
853 fc = get_basic_fc(type);
854
855 if (fc == RPC_FC_BIND_PRIMITIVE)
856 fc = RPC_FC_IGNORE;
857 }
858
859 print_file(file, indent, "0x%02x, /* %s */\n",
860 fc, string_of_type(fc));
861 size = 2; /* includes param type prefix */
862 }
863 else
864 {
865 if (is_return)
866 print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n");
867 else if (is_in && is_out)
868 print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n");
869 else if (is_out)
870 print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n");
871 else
872 print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
873
874 print_file(file, indent, "0x01,\n");
875 print_file(file, indent, "NdrFcShort(0x%x), /* type offset = %u */\n",
876 type->typestring_offset, type->typestring_offset);
877 size = 4; /* includes param type prefix */
878 }
879 return size;
880 }
881
882 static void write_procformatstring_func( FILE *file, int indent,
883 const var_t *func, unsigned int *offset )
884 {
885 /* emit argument data */
886 if (type_get_function_args(func->type))
887 {
888 const var_t *var;
889 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
890 {
891 print_file( file, 0, "/* %u (parameter %s) */\n", *offset, var->name );
892 *offset += write_procformatstring_type(file, indent, var->type, var->attrs, FALSE);
893 }
894 }
895
896 /* emit return value data */
897 if (is_void(type_function_get_rettype(func->type)))
898 {
899 print_file(file, 0, "/* %u (void) */\n", *offset);
900 print_file(file, indent, "0x5b, /* FC_END */\n");
901 print_file(file, indent, "0x5c, /* FC_PAD */\n");
902 *offset += 2;
903 }
904 else
905 {
906 print_file( file, 0, "/* %u (return value) */\n", *offset );
907 *offset += write_procformatstring_type(file, indent, type_function_get_rettype(func->type), NULL, TRUE);
908 }
909 }
910
911 static void write_procformatstring_stmts(FILE *file, int indent, const statement_list_t *stmts,
912 type_pred_t pred, unsigned int *offset)
913 {
914 const statement_t *stmt;
915 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
916 {
917 if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
918 {
919 const statement_t *stmt_func;
920 if (!pred(stmt->u.type))
921 continue;
922 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type))
923 {
924 const var_t *func = stmt_func->u.var;
925 if (is_local(func->attrs)) continue;
926 write_procformatstring_func( file, indent, func, offset );
927 }
928 }
929 else if (stmt->type == STMT_LIBRARY)
930 write_procformatstring_stmts(file, indent, stmt->u.lib->stmts, pred, offset);
931 }
932 }
933
934 void write_procformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
935 {
936 int indent = 0;
937 unsigned int offset = 0;
938
939 print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
940 print_file(file, indent, "{\n");
941 indent++;
942 print_file(file, indent, "0,\n");
943 print_file(file, indent, "{\n");
944 indent++;
945
946 write_procformatstring_stmts(file, indent, stmts, pred, &offset);
947
948 print_file(file, indent, "0x0\n");
949 indent--;
950 print_file(file, indent, "}\n");
951 indent--;
952 print_file(file, indent, "};\n");
953 print_file(file, indent, "\n");
954 }
955
956 void write_procformatstring_offsets( FILE *file, const type_t *iface )
957 {
958 const statement_t *stmt;
959 int indent = 0;
960
961 print_file( file, indent, "static const unsigned short %s_FormatStringOffsetTable[] =\n",
962 iface->name );
963 print_file( file, indent, "{\n" );
964 indent++;
965 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
966 {
967 var_t *func = stmt->u.var;
968 if (is_local( func->attrs )) continue;
969 print_file( file, indent, "%u, /* %s */\n", func->procstring_offset, func->name );
970 }
971 indent--;
972 print_file( file, indent, "};\n\n" );
973 }
974
975 static int write_base_type(FILE *file, const type_t *type, int convert_to_signed_type, unsigned int *typestring_offset)
976 {
977 unsigned char fc;
978
979 if (type_get_type(type) == TYPE_BASIC)
980 fc = get_basic_fc(type);
981 else if (type_get_type(type) == TYPE_ENUM)
982 fc = get_enum_fc(type);
983 else
984 return 0;
985
986 if (convert_to_signed_type)
987 {
988 switch(fc)
989 {
990 case RPC_FC_USMALL:
991 fc = RPC_FC_SMALL;
992 break;
993 case RPC_FC_USHORT:
994 fc = RPC_FC_SHORT;
995 break;
996 case RPC_FC_ULONG:
997 fc = RPC_FC_LONG;
998 break;
999 }
1000 }
1001
1002 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
1003 *typestring_offset += 1;
1004 return 1;
1005 }
1006
1007 /* write conformance / variance descriptor */
1008 static unsigned int write_conf_or_var_desc(FILE *file, const type_t *structure,
1009 unsigned int baseoff, const type_t *type,
1010 const expr_t *expr)
1011 {
1012 unsigned char operator_type = 0;
1013 unsigned char conftype = RPC_FC_NORMAL_CONFORMANCE;
1014 const char *conftype_string = "";
1015 const expr_t *subexpr;
1016
1017 if (!expr)
1018 {
1019 print_file(file, 2, "NdrFcLong(0xffffffff),\t/* -1 */\n");
1020 return 4;
1021 }
1022
1023 if (expr->is_const)
1024 {
1025 if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
1026 error("write_conf_or_var_desc: constant value %d is greater than "
1027 "the maximum constant size of %d\n", expr->cval,
1028 UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
1029
1030 print_file(file, 2, "0x%x, /* Corr desc: constant, val = %d */\n",
1031 RPC_FC_CONSTANT_CONFORMANCE, expr->cval);
1032 print_file(file, 2, "0x%x,\n", expr->cval >> 16);
1033 print_file(file, 2, "NdrFcShort(0x%hx),\n", (unsigned short)expr->cval);
1034
1035 return 4;
1036 }
1037
1038 if (!structure)
1039 {
1040 /* Top-level conformance calculations are done inline. */
1041 print_file (file, 2, "0x%x,\t/* Corr desc: parameter */\n",
1042 RPC_FC_TOP_LEVEL_CONFORMANCE);
1043 print_file (file, 2, "0x0,\n");
1044 print_file (file, 2, "NdrFcShort(0x0),\n");
1045 return 4;
1046 }
1047
1048 if (is_ptr(type) || (is_array(type) && type_array_is_decl_as_ptr(type)))
1049 {
1050 conftype = RPC_FC_POINTER_CONFORMANCE;
1051 conftype_string = "field pointer, ";
1052 }
1053
1054 subexpr = expr;
1055 switch (subexpr->type)
1056 {
1057 case EXPR_PPTR:
1058 subexpr = subexpr->ref;
1059 operator_type = RPC_FC_DEREFERENCE;
1060 break;
1061 case EXPR_DIV:
1062 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1063 {
1064 subexpr = subexpr->ref;
1065 operator_type = RPC_FC_DIV_2;
1066 }
1067 break;
1068 case EXPR_MUL:
1069 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1070 {
1071 subexpr = subexpr->ref;
1072 operator_type = RPC_FC_MULT_2;
1073 }
1074 break;
1075 case EXPR_SUB:
1076 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1077 {
1078 subexpr = subexpr->ref;
1079 operator_type = RPC_FC_SUB_1;
1080 }
1081 break;
1082 case EXPR_ADD:
1083 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1084 {
1085 subexpr = subexpr->ref;
1086 operator_type = RPC_FC_ADD_1;
1087 }
1088 break;
1089 default:
1090 break;
1091 }
1092
1093 if (subexpr->type == EXPR_IDENTIFIER)
1094 {
1095 const type_t *correlation_variable = NULL;
1096 unsigned char param_type = 0;
1097 unsigned int offset = 0;
1098 const var_t *var;
1099 var_list_t *fields = type_struct_get_fields(structure);
1100
1101 if (fields) LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1102 {
1103 unsigned int size = field_memsize( var->type, &offset );
1104 if (var->name && !strcmp(var->name, subexpr->u.sval))
1105 {
1106 correlation_variable = var->type;
1107 break;
1108 }
1109 offset += size;
1110 }
1111 if (!correlation_variable)
1112 error("write_conf_or_var_desc: couldn't find variable %s in structure\n",
1113 subexpr->u.sval);
1114
1115 correlation_variable = expr_resolve_type(NULL, structure, expr);
1116
1117 offset -= baseoff;
1118
1119 if (type_get_type(correlation_variable) == TYPE_BASIC)
1120 {
1121 switch (get_basic_fc(correlation_variable))
1122 {
1123 case RPC_FC_CHAR:
1124 case RPC_FC_SMALL:
1125 param_type = RPC_FC_SMALL;
1126 break;
1127 case RPC_FC_BYTE:
1128 case RPC_FC_USMALL:
1129 param_type = RPC_FC_USMALL;
1130 break;
1131 case RPC_FC_WCHAR:
1132 case RPC_FC_SHORT:
1133 param_type = RPC_FC_SHORT;
1134 break;
1135 case RPC_FC_USHORT:
1136 param_type = RPC_FC_USHORT;
1137 break;
1138 case RPC_FC_LONG:
1139 param_type = RPC_FC_LONG;
1140 break;
1141 case RPC_FC_ULONG:
1142 param_type = RPC_FC_ULONG;
1143 break;
1144 default:
1145 error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
1146 get_basic_fc(correlation_variable));
1147 }
1148 }
1149 else if (type_get_type(correlation_variable) == TYPE_ENUM)
1150 {
1151 if (get_enum_fc(correlation_variable) == RPC_FC_ENUM32)
1152 param_type = RPC_FC_LONG;
1153 else
1154 param_type = RPC_FC_SHORT;
1155 }
1156 else if (type_get_type(correlation_variable) == TYPE_POINTER)
1157 {
1158 if (pointer_size == 8)
1159 param_type = RPC_FC_HYPER;
1160 else
1161 param_type = RPC_FC_LONG;
1162 }
1163 else
1164 {
1165 error("write_conf_or_var_desc: non-arithmetic type used as correlation variable %s\n",
1166 subexpr->u.sval);
1167 return 0;
1168 }
1169
1170 print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n",
1171 conftype | param_type, conftype_string, string_of_type(param_type));
1172 print_file(file, 2, "0x%x, /* %s */\n", operator_type,
1173 operator_type ? string_of_type(operator_type) : "no operators");
1174 print_file(file, 2, "NdrFcShort(0x%hx),\t/* offset = %d */\n",
1175 (unsigned short)offset, offset);
1176 }
1177 else
1178 {
1179 unsigned int callback_offset = 0;
1180 struct expr_eval_routine *eval;
1181 int found = 0;
1182
1183 LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
1184 {
1185 if (eval->structure == structure ||
1186 (eval->structure->name && structure->name &&
1187 !strcmp(eval->structure->name, structure->name) &&
1188 !compare_expr(eval->expr, expr)))
1189 {
1190 found = 1;
1191 break;
1192 }
1193 callback_offset++;
1194 }
1195
1196 if (!found)
1197 {
1198 eval = xmalloc (sizeof(*eval));
1199 eval->structure = structure;
1200 eval->baseoff = baseoff;
1201 eval->expr = expr;
1202 list_add_tail (&expr_eval_routines, &eval->entry);
1203 }
1204
1205 if (callback_offset > USHRT_MAX)
1206 error("Maximum number of callback routines reached\n");
1207
1208 print_file(file, 2, "0x%x, /* Corr desc: %s */\n", conftype, conftype_string);
1209 print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK");
1210 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)callback_offset, callback_offset);
1211 }
1212 return 4;
1213 }
1214
1215 /* return size and start offset of a data field based on current offset */
1216 static unsigned int field_memsize(const type_t *type, unsigned int *offset)
1217 {
1218 unsigned int align = 0;
1219 unsigned int size = type_memsize_and_alignment( type, &align );
1220
1221 *offset = ROUND_SIZE( *offset, align );
1222 return size;
1223 }
1224
1225 static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align)
1226 {
1227 unsigned int size = 0;
1228 unsigned int max_align;
1229 const var_t *v;
1230
1231 if (!fields) return 0;
1232 LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1233 {
1234 unsigned int falign = 0;
1235 unsigned int fsize = type_memsize_and_alignment(v->type, &falign);
1236 if (*align < falign) *align = falign;
1237 falign = clamp_align(falign);
1238 size = ROUND_SIZE(size, falign);
1239 size += fsize;
1240 }
1241
1242 max_align = clamp_align(*align);
1243 size = ROUND_SIZE(size, max_align);
1244
1245 return size;
1246 }
1247
1248 static unsigned int union_memsize(const var_list_t *fields, unsigned int *pmaxa)
1249 {
1250 unsigned int size, maxs = 0;
1251 unsigned int align = *pmaxa;
1252 const var_t *v;
1253
1254 if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1255 {
1256 /* we could have an empty default field with NULL type */
1257 if (v->type)
1258 {
1259 size = type_memsize_and_alignment(v->type, &align);
1260 if (maxs < size) maxs = size;
1261 if (*pmaxa < align) *pmaxa = align;
1262 }
1263 }
1264
1265 return maxs;
1266 }
1267
1268 static unsigned int type_memsize_and_alignment(const type_t *t, unsigned int *align)
1269 {
1270 unsigned int size = 0;
1271
1272 switch (type_get_type(t))
1273 {
1274 case TYPE_BASIC:
1275 switch (get_basic_fc(t))
1276 {
1277 case RPC_FC_BYTE:
1278 case RPC_FC_CHAR:
1279 case RPC_FC_USMALL:
1280 case RPC_FC_SMALL:
1281 size = 1;
1282 if (size > *align) *align = size;
1283 break;
1284 case RPC_FC_WCHAR:
1285 case RPC_FC_USHORT:
1286 case RPC_FC_SHORT:
1287 size = 2;
1288 if (size > *align) *align = size;
1289 break;
1290 case RPC_FC_ULONG:
1291 case RPC_FC_LONG:
1292 case RPC_FC_ERROR_STATUS_T:
1293 case RPC_FC_FLOAT:
1294 size = 4;
1295 if (size > *align) *align = size;
1296 break;
1297 case RPC_FC_HYPER:
1298 case RPC_FC_DOUBLE:
1299 size = 8;
1300 if (size > *align) *align = size;
1301 break;
1302 case RPC_FC_INT3264:
1303 case RPC_FC_UINT3264:
1304 assert( pointer_size );
1305 size = pointer_size;
1306 if (size > *align) *align = size;
1307 break;
1308 default:
1309 error("type_memsize: Unknown type 0x%x\n", get_basic_fc(t));
1310 size = 0;
1311 }
1312 break;
1313 case TYPE_ENUM:
1314 switch (get_enum_fc(t))
1315 {
1316 case RPC_FC_ENUM16:
1317 case RPC_FC_ENUM32:
1318 size = 4;
1319 if (size > *align) *align = size;
1320 break;
1321 default:
1322 error("type_memsize: Unknown enum type\n");
1323 size = 0;
1324 }
1325 break;
1326 case TYPE_STRUCT:
1327 size = fields_memsize(type_struct_get_fields(t), align);
1328 break;
1329 case TYPE_ENCAPSULATED_UNION:
1330 size = fields_memsize(type_encapsulated_union_get_fields(t), align);
1331 break;
1332 case TYPE_UNION:
1333 size = union_memsize(type_union_get_cases(t), align);
1334 break;
1335 case TYPE_POINTER:
1336 assert( pointer_size );
1337 size = pointer_size;
1338 if (size > *align) *align = size;
1339 break;
1340 case TYPE_ARRAY:
1341 if (!type_array_is_decl_as_ptr(t))
1342 {
1343 if (is_conformant_array(t))
1344 {
1345 type_memsize_and_alignment(type_array_get_element(t), align);
1346 size = 0;
1347 }
1348 else
1349 size = type_array_get_dim(t) *
1350 type_memsize_and_alignment(type_array_get_element(t), align);
1351 }
1352 else /* declared as a pointer */
1353 {
1354 assert( pointer_size );
1355 size = pointer_size;
1356 if (size > *align) *align = size;
1357 }
1358 break;
1359 case TYPE_INTERFACE:
1360 case TYPE_ALIAS:
1361 case TYPE_VOID:
1362 case TYPE_COCLASS:
1363 case TYPE_MODULE:
1364 case TYPE_FUNCTION:
1365 case TYPE_BITFIELD:
1366 /* these types should not be encountered here due to language
1367 * restrictions (interface, void, coclass, module), logical
1368 * restrictions (alias - due to type_get_type call above) or
1369 * checking restrictions (function, bitfield). */
1370 assert(0);
1371 }
1372
1373 return size;
1374 }
1375
1376 unsigned int type_memsize(const type_t *t)
1377 {
1378 unsigned int align = 0;
1379 return type_memsize_and_alignment( t, &align );
1380 }
1381
1382 static unsigned int type_buffer_alignment(const type_t *t)
1383 {
1384 const var_list_t *fields;
1385 const var_t *var;
1386 unsigned int max = 0, align;
1387
1388 switch (type_get_type(t))
1389 {
1390 case TYPE_BASIC:
1391 switch (get_basic_fc(t))
1392 {
1393 case RPC_FC_BYTE:
1394 case RPC_FC_CHAR:
1395 case RPC_FC_USMALL:
1396 case RPC_FC_SMALL:
1397 return 1;
1398 case RPC_FC_WCHAR:
1399 case RPC_FC_USHORT:
1400 case RPC_FC_SHORT:
1401 return 2;
1402 case RPC_FC_ULONG:
1403 case RPC_FC_LONG:
1404 case RPC_FC_ERROR_STATUS_T:
1405 case RPC_FC_FLOAT:
1406 case RPC_FC_INT3264:
1407 case RPC_FC_UINT3264:
1408 return 4;
1409 case RPC_FC_HYPER:
1410 case RPC_FC_DOUBLE:
1411 return 8;
1412 default:
1413 error("type_buffer_alignment: Unknown type 0x%x\n", get_basic_fc(t));
1414 }
1415 break;
1416 case TYPE_ENUM:
1417 switch (get_enum_fc(t))
1418 {
1419 case RPC_FC_ENUM16:
1420 return 2;
1421 case RPC_FC_ENUM32:
1422 return 4;
1423 default:
1424 error("type_buffer_alignment: Unknown enum type\n");
1425 }
1426 break;
1427 case TYPE_STRUCT:
1428 if (!(fields = type_struct_get_fields(t))) break;
1429 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1430 {
1431 if (!var->type) continue;
1432 align = type_buffer_alignment( var->type );
1433 if (max < align) max = align;
1434 }
1435 break;
1436 case TYPE_ENCAPSULATED_UNION:
1437 if (!(fields = type_encapsulated_union_get_fields(t))) break;
1438 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1439 {
1440 if (!var->type) continue;
1441 align = type_buffer_alignment( var->type );
1442 if (max < align) max = align;
1443 }
1444 break;
1445 case TYPE_UNION:
1446 if (!(fields = type_union_get_cases(t))) break;
1447 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1448 {
1449 if (!var->type) continue;
1450 align = type_buffer_alignment( var->type );
1451 if (max < align) max = align;
1452 }
1453 break;
1454 case TYPE_ARRAY:
1455 if (!type_array_is_decl_as_ptr(t))
1456 return type_buffer_alignment( type_array_get_element(t) );
1457 /* else fall through */
1458 case TYPE_POINTER:
1459 return 4;
1460 case TYPE_INTERFACE:
1461 case TYPE_ALIAS:
1462 case TYPE_VOID:
1463 case TYPE_COCLASS:
1464 case TYPE_MODULE:
1465 case TYPE_FUNCTION:
1466 case TYPE_BITFIELD:
1467 /* these types should not be encountered here due to language
1468 * restrictions (interface, void, coclass, module), logical
1469 * restrictions (alias - due to type_get_type call above) or
1470 * checking restrictions (function, bitfield). */
1471 assert(0);
1472 }
1473 return max;
1474 }
1475
1476 int is_full_pointer_function(const var_t *func)
1477 {
1478 const var_t *var;
1479 if (type_has_full_pointer(type_function_get_rettype(func->type), func->attrs, TRUE))
1480 return TRUE;
1481 if (!type_get_function_args(func->type))
1482 return FALSE;
1483 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
1484 if (type_has_full_pointer( var->type, var->attrs, TRUE ))
1485 return TRUE;
1486 return FALSE;
1487 }
1488
1489 void write_full_pointer_init(FILE *file, int indent, const var_t *func, int is_server)
1490 {
1491 print_file(file, indent, "__frame->_StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,%s);\n",
1492 is_server ? "XLAT_SERVER" : "XLAT_CLIENT");
1493 fprintf(file, "\n");
1494 }
1495
1496 void write_full_pointer_free(FILE *file, int indent, const var_t *func)
1497 {
1498 print_file(file, indent, "NdrFullPointerXlatFree(__frame->_StubMsg.FullPtrXlatTables);\n");
1499 fprintf(file, "\n");
1500 }
1501
1502 static unsigned int write_nonsimple_pointer(FILE *file, const attr_list_t *attrs,
1503 const type_t *type,
1504 int toplevel_param,
1505 unsigned int offset,
1506 unsigned int *typeformat_offset)
1507 {
1508 unsigned int start_offset = *typeformat_offset;
1509 short reloff = offset - (*typeformat_offset + 2);
1510 int in_attr, out_attr;
1511 int pointer_type;
1512 unsigned char flags = 0;
1513
1514 pointer_type = get_pointer_fc(type, attrs, toplevel_param);
1515
1516 in_attr = is_attr(attrs, ATTR_IN);
1517 out_attr = is_attr(attrs, ATTR_OUT);
1518 if (!in_attr && !out_attr) in_attr = 1;
1519
1520 if (out_attr && !in_attr && pointer_type == RPC_FC_RP)
1521 flags |= RPC_FC_P_ONSTACK;
1522
1523 if (is_ptr(type))
1524 {
1525 type_t *ref = type_pointer_get_ref(type);
1526 if(is_declptr(ref) && !is_user_type(ref))
1527 flags |= RPC_FC_P_DEREF;
1528 }
1529
1530 print_file(file, 2, "0x%x, 0x%x,\t\t/* %s",
1531 pointer_type,
1532 flags,
1533 string_of_type(pointer_type));
1534 if (file)
1535 {
1536 if (flags & RPC_FC_P_ONSTACK)
1537 fprintf(file, " [allocated_on_stack]");
1538 if (flags & RPC_FC_P_DEREF)
1539 fprintf(file, " [pointer_deref]");
1540 fprintf(file, " */\n");
1541 }
1542
1543 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, offset);
1544 *typeformat_offset += 4;
1545
1546 return start_offset;
1547 }
1548
1549 static unsigned int write_simple_pointer(FILE *file, const attr_list_t *attrs, const type_t *type, int toplevel_param)
1550 {
1551 unsigned char fc;
1552 unsigned char pointer_fc;
1553 const type_t *ref;
1554 int in_attr = is_attr(attrs, ATTR_IN);
1555 int out_attr = is_attr(attrs, ATTR_OUT);
1556 unsigned char flags = RPC_FC_P_SIMPLEPOINTER;
1557
1558 /* for historical reasons, write_simple_pointer also handled string types,
1559 * but no longer does. catch bad uses of the function with this check */
1560 if (is_string_type(attrs, type))
1561 error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
1562
1563 pointer_fc = get_pointer_fc(type, attrs, toplevel_param);
1564
1565 ref = type_pointer_get_ref(type);
1566 if (type_get_type(ref) == TYPE_ENUM)
1567 fc = get_enum_fc(ref);
1568 else
1569 fc = get_basic_fc(ref);
1570
1571 if (out_attr && !in_attr)
1572 flags |= RPC_FC_P_ONSTACK;
1573
1574 print_file(file, 2, "0x%02x, 0x%x,\t/* %s %s[simple_pointer] */\n",
1575 pointer_fc, flags, string_of_type(pointer_fc),
1576 flags & RPC_FC_P_ONSTACK ? "[allocated_on_stack] " : "");
1577 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
1578 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
1579 return 4;
1580 }
1581
1582 static void print_start_tfs_comment(FILE *file, type_t *t, unsigned int tfsoff)
1583 {
1584 print_file(file, 0, "/* %u (", tfsoff);
1585 write_type_decl(file, t, NULL);
1586 print_file(file, 0, ") */\n");
1587 }
1588
1589 static unsigned int write_pointer_tfs(FILE *file, const attr_list_t *attrs,
1590 type_t *type, unsigned int ref_offset,
1591 int toplevel_param,
1592 unsigned int *typestring_offset)
1593 {
1594 unsigned int offset = *typestring_offset;
1595 type_t *ref = type_pointer_get_ref(type);
1596
1597 print_start_tfs_comment(file, type, offset);
1598 update_tfsoff(type, offset, file);
1599
1600 switch (typegen_detect_type(ref, attrs, TDT_ALL_TYPES))
1601 {
1602 case TGT_BASIC:
1603 case TGT_ENUM:
1604 *typestring_offset += write_simple_pointer(file, attrs, type,
1605 toplevel_param);
1606 break;
1607 default:
1608 if (ref_offset)
1609 write_nonsimple_pointer(file, attrs, type,
1610 toplevel_param,
1611 ref_offset,
1612 typestring_offset);
1613 break;
1614 }
1615
1616 return offset;
1617 }
1618
1619 static int processed(const type_t *type)
1620 {
1621 return type->typestring_offset && !type->tfswrite;
1622 }
1623
1624 static int user_type_has_variable_size(const type_t *t)
1625 {
1626 if (is_ptr(t))
1627 return TRUE;
1628 else if (type_get_type(t) == TYPE_STRUCT)
1629 {
1630 switch (get_struct_fc(t))
1631 {
1632 case RPC_FC_PSTRUCT:
1633 case RPC_FC_CSTRUCT:
1634 case RPC_FC_CPSTRUCT:
1635 case RPC_FC_CVSTRUCT:
1636 return TRUE;
1637 }
1638 }
1639 /* Note: Since this only applies to user types, we can't have a conformant
1640 array here, and strings should get filed under pointer in this case. */
1641 return FALSE;
1642 }
1643
1644 static void write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
1645 {
1646 unsigned int start, absoff, flags;
1647 const char *name = NULL;
1648 type_t *utype = get_user_type(type, &name);
1649 unsigned int usize = type_memsize(utype);
1650 unsigned int ualign = type_buffer_alignment(utype);
1651 unsigned int size = type_memsize(type);
1652 unsigned short funoff = user_type_offset(name);
1653 short reloff;
1654
1655 guard_rec(type);
1656
1657 if(user_type_has_variable_size(utype)) usize = 0;
1658
1659 if (type_get_type(utype) == TYPE_BASIC ||
1660 type_get_type(utype) == TYPE_ENUM)
1661 {
1662 unsigned char fc;
1663
1664 if (type_get_type(utype) == TYPE_ENUM)
1665 fc = get_enum_fc(utype);
1666 else
1667 fc = get_basic_fc(utype);
1668
1669 absoff = *tfsoff;
1670 print_start_tfs_comment(file, utype, absoff);
1671 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
1672 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
1673 *tfsoff += 2;
1674 }
1675 else
1676 {
1677 if (!processed(utype))
1678 write_embedded_types(file, NULL, utype, utype->name, TRUE, tfsoff);
1679 absoff = utype->typestring_offset;
1680 }
1681
1682 if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_RP)
1683 flags = 0x40;
1684 else if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == RPC_FC_UP)
1685 flags = 0x80;
1686 else
1687 flags = 0;
1688
1689 start = *tfsoff;
1690 update_tfsoff(type, start, file);
1691 print_start_tfs_comment(file, type, start);
1692 print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", RPC_FC_USER_MARSHAL);
1693 print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n",
1694 flags | (ualign - 1), ualign - 1, flags);
1695 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff);
1696 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size);
1697 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)usize, usize);
1698 *tfsoff += 8;
1699 reloff = absoff - *tfsoff;
1700 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff);
1701 *tfsoff += 2;
1702 }
1703
1704 static void write_member_type(FILE *file, const type_t *cont,
1705 int cont_is_complex, const attr_list_t *attrs,
1706 const type_t *type, unsigned int *corroff,
1707 unsigned int *tfsoff)
1708 {
1709 if (is_embedded_complex(type) && !is_conformant_array(type))
1710 {
1711 unsigned int absoff;
1712 short reloff;
1713
1714 if (type_get_type(type) == TYPE_UNION && is_attr(attrs, ATTR_SWITCHIS))
1715 {
1716 absoff = *corroff;
1717 *corroff += 8;
1718 }
1719 else
1720 {
1721 absoff = type->typestring_offset;
1722 }
1723 reloff = absoff - (*tfsoff + 2);
1724
1725 print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n");
1726 /* padding is represented using FC_STRUCTPAD* types, so presumably
1727 * this is left over in the format for historical purposes in MIDL
1728 * or rpcrt4. */
1729 print_file(file, 2, "0x0,\n");
1730 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
1731 reloff, reloff, absoff);
1732 *tfsoff += 4;
1733 }
1734 else if (is_ptr(type) || is_conformant_array(type))
1735 {
1736 unsigned char fc = cont_is_complex ? RPC_FC_POINTER : RPC_FC_LONG;
1737 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
1738 *tfsoff += 1;
1739 }
1740 else if (!write_base_type(file, type, TRUE, tfsoff))
1741 error("Unsupported member type %d\n", type_get_type(type));
1742 }
1743
1744 static void write_array_element_type(FILE *file, const type_t *type,
1745 int cont_is_complex, unsigned int *tfsoff)
1746 {
1747 type_t *elem = type_array_get_element(type);
1748
1749 if (!is_embedded_complex(elem) && is_ptr(elem))
1750 {
1751 type_t *ref = type_pointer_get_ref(elem);
1752
1753 if (processed(ref))
1754 {
1755 write_nonsimple_pointer(file, NULL, elem, FALSE, ref->typestring_offset, tfsoff);
1756 return;
1757 }
1758 if (!is_string_type(NULL, elem) &&
1759 (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM))
1760 {
1761 *tfsoff += write_simple_pointer(file, NULL, elem, FALSE);
1762 return;
1763 }
1764 }
1765 return write_member_type(file, type, cont_is_complex, NULL, elem, NULL, tfsoff);
1766 }
1767
1768 static void write_end(FILE *file, unsigned int *tfsoff)
1769 {
1770 if (*tfsoff % 2 == 0)
1771 {
1772 print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD);
1773 *tfsoff += 1;
1774 }
1775 print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END);
1776 *tfsoff += 1;
1777 }
1778
1779 static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff)
1780 {
1781 unsigned int offset = 0;
1782 var_list_t *fs = type_struct_get_fields(type);
1783 var_t *f;
1784
1785 if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry)
1786 {
1787 type_t *ft = f->type;
1788 unsigned int size = field_memsize( ft, &offset );
1789 if (type_get_type(ft) == TYPE_UNION && is_attr(f->attrs, ATTR_SWITCHIS))
1790 {
1791 short reloff;
1792 unsigned int absoff = ft->typestring_offset;
1793 if (is_attr(ft->attrs, ATTR_SWITCHTYPE))
1794 absoff += 8; /* we already have a corr descr, skip it */
1795 reloff = absoff - (*tfsoff + 6);
1796 print_file(file, 0, "/* %d */\n", *tfsoff);
1797 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
1798 print_file(file, 2, "0x%x,\t/* FIXME: always FC_LONG */\n", RPC_FC_LONG);
1799 write_conf_or_var_desc(file, current_structure, offset, ft,
1800 get_attrp(f->attrs, ATTR_SWITCHIS));
1801 print_file(file, 2, "NdrFcShort(%hd),\t/* Offset= %hd (%u) */\n",
1802 reloff, reloff, absoff);
1803 *tfsoff += 8;
1804 }
1805 offset += size;
1806 }
1807 }
1808
1809 static int write_pointer_description_offsets(
1810 FILE *file, const attr_list_t *attrs, type_t *type,
1811 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1812 unsigned int *typestring_offset)
1813 {
1814 int written = 0;
1815
1816 if ((is_ptr(type) && type_get_type(type_pointer_get_ref(type)) != TYPE_INTERFACE) ||
1817 (is_array(type) && type_array_is_decl_as_ptr(type)))
1818 {
1819 if (offset_in_memory && offset_in_buffer)
1820 {
1821 unsigned int memsize;
1822
1823 /* pointer instance
1824 *
1825 * note that MSDN states that for pointer layouts in structures,
1826 * this is a negative offset from the end of the structure, but
1827 * this statement is incorrect. all offsets are positive */
1828 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
1829 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", (unsigned short)*offset_in_buffer, *offset_in_buffer);
1830
1831 memsize = type_memsize(type);
1832 *offset_in_memory += memsize;
1833 /* increment these separately as in the case of conformant (varying)
1834 * structures these start at different values */
1835 *offset_in_buffer += memsize;
1836 }
1837 *typestring_offset += 4;
1838
1839 if (is_ptr(type))
1840 {
1841 type_t *ref = type_pointer_get_ref(type);
1842
1843 if (is_string_type(attrs, type))
1844 write_string_tfs(file, attrs, type, FALSE, NULL, typestring_offset);
1845 else if (processed(ref))
1846 write_nonsimple_pointer(file, attrs, type, FALSE, ref->typestring_offset, typestring_offset);
1847 else if (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM)
1848 *typestring_offset += write_simple_pointer(file, attrs, type, FALSE);
1849 else
1850 error("write_pointer_description_offsets: type format string unknown\n");
1851 }
1852 else
1853 {
1854 unsigned int offset = type->typestring_offset;
1855 /* skip over the pointer that is written for strings, since a
1856 * pointer has to be written in-place here */
1857 if (is_string_type(attrs, type))
1858 offset += 4;
1859 write_nonsimple_pointer(file, attrs, type, FALSE, offset, typestring_offset);
1860 }
1861
1862 return 1;
1863 }
1864
1865 if (is_array(type))
1866 {
1867 return write_pointer_description_offsets(
1868 file, attrs, type_array_get_element(type), offset_in_memory,
1869 offset_in_buffer, typestring_offset);
1870 }
1871 else if (is_non_complex_struct(type))
1872 {
1873 /* otherwise search for interesting fields to parse */
1874 const var_t *v;
1875 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1876 {
1877 if (offset_in_memory && offset_in_buffer)
1878 {
1879 unsigned int padding;
1880 unsigned int align = 0;
1881 type_memsize_and_alignment(v->type, &align);
1882 padding = ROUNDING(*offset_in_memory, align);
1883 *offset_in_memory += padding;
1884 *offset_in_buffer += padding;
1885 }
1886 written += write_pointer_description_offsets(
1887 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
1888 typestring_offset);
1889 }
1890 }
1891 else
1892 {
1893 if (offset_in_memory && offset_in_buffer)
1894 {
1895 unsigned int memsize = type_memsize(type);
1896 *offset_in_memory += memsize;
1897 /* increment these separately as in the case of conformant (varying)
1898 * structures these start at different values */
1899 *offset_in_buffer += memsize;
1900 }
1901 }
1902
1903 return written;
1904 }
1905
1906 static int write_no_repeat_pointer_descriptions(
1907 FILE *file, const attr_list_t *attrs, type_t *type,
1908 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1909 unsigned int *typestring_offset)
1910 {
1911 int written = 0;
1912
1913 if (is_ptr(type) ||
1914 (is_conformant_array(type) && type_array_is_decl_as_ptr(type)))
1915 {
1916 print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", RPC_FC_NO_REPEAT);
1917 print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
1918 *typestring_offset += 2;
1919
1920 return write_pointer_description_offsets(file, attrs, type,
1921 offset_in_memory, offset_in_buffer, typestring_offset);
1922 }
1923
1924 if (is_non_complex_struct(type))
1925 {
1926 const var_t *v;
1927 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1928 {
1929 if (offset_in_memory && offset_in_buffer)
1930 {
1931 unsigned int padding;
1932 unsigned int align = 0;
1933 type_memsize_and_alignment(v->type, &align);
1934 padding = ROUNDING(*offset_in_memory, align);
1935 *offset_in_memory += padding;
1936 *offset_in_buffer += padding;
1937 }
1938 written += write_no_repeat_pointer_descriptions(
1939 file, v->attrs, v->type,
1940 offset_in_memory, offset_in_buffer, typestring_offset);
1941 }
1942 }
1943 else
1944 {
1945 unsigned int memsize = type_memsize(type);
1946 *offset_in_memory += memsize;
1947 /* increment these separately as in the case of conformant (varying)
1948 * structures these start at different values */
1949 *offset_in_buffer += memsize;
1950 }
1951
1952 return written;
1953 }
1954
1955 /* Note: if file is NULL return value is number of pointers to write, else
1956 * it is the number of type format characters written */
1957 static int write_fixed_array_pointer_descriptions(
1958 FILE *file, const attr_list_t *attrs, type_t *type,
1959 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
1960 unsigned int *typestring_offset)
1961 {
1962 int pointer_count = 0;
1963
1964 if (type_get_type(type) == TYPE_ARRAY &&
1965 !type_array_has_conformance(type) && !type_array_has_variance(type))
1966 {
1967 unsigned int temp = 0;
1968 /* unfortunately, this needs to be done in two passes to avoid
1969 * writing out redundant FC_FIXED_REPEAT descriptions */
1970 pointer_count = write_pointer_description_offsets(
1971 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
1972 if (pointer_count > 0)
1973 {
1974 unsigned int increment_size;
1975 unsigned int offset_of_array_pointer_mem = 0;
1976 unsigned int offset_of_array_pointer_buf = 0;
1977
1978 increment_size = type_memsize(type_array_get_element(type));
1979
1980 print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", RPC_FC_FIXED_REPEAT);
1981 print_file(file, 2, "0x%02x, /* FC_PAD */\n", RPC_FC_PAD);
1982 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Iterations = %d */\n", (unsigned short)type_array_get_dim(type), type_array_get_dim(type));
1983 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
1984 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
1985 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
1986 *typestring_offset += 10;
1987
1988 pointer_count = write_pointer_description_offsets(
1989 file, attrs, type, &offset_of_array_pointer_mem,
1990 &offset_of_array_pointer_buf, typestring_offset);
1991 }
1992 }
1993 else if (type_get_type(type) == TYPE_STRUCT)
1994 {
1995 const var_t *v;
1996 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
1997 {
1998 if (offset_in_memory && offset_in_buffer)
1999 {
2000 unsigned int padding;
2001 unsigned int align = 0;
2002 type_memsize_and_alignment(v->type, &align);
2003 padding = ROUNDING(*offset_in_memory, align);
2004 *offset_in_memory += padding;
2005 *offset_in_buffer += padding;
2006 }
2007 pointer_count += write_fixed_array_pointer_descriptions(
2008 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2009 typestring_offset);
2010 }
2011 }
2012 else
2013 {
2014 if (offset_in_memory && offset_in_buffer)
2015 {
2016 unsigned int memsize;
2017 memsize = type_memsize(type);
2018 *offset_in_memory += memsize;
2019 /* increment these separately as in the case of conformant (varying)
2020 * structures these start at different values */
2021 *offset_in_buffer += memsize;
2022 }
2023 }
2024
2025 return pointer_count;
2026 }
2027
2028 /* Note: if file is NULL return value is number of pointers to write, else
2029 * it is the number of type format characters written */
2030 static int write_conformant_array_pointer_descriptions(
2031 FILE *file, const attr_list_t *attrs, type_t *type,
2032 unsigned int offset_in_memory, unsigned int *typestring_offset)
2033 {
2034 int pointer_count = 0;
2035
2036 if (is_conformant_array(type) && !type_array_has_variance(type))
2037 {
2038 unsigned int temp = 0;
2039 /* unfortunately, this needs to be done in two passes to avoid
2040 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2041 pointer_count = write_pointer_description_offsets(
2042 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2043 if (pointer_count > 0)
2044 {
2045 unsigned int increment_size;
2046 unsigned int offset_of_array_pointer_mem = offset_in_memory;
2047 unsigned int offset_of_array_pointer_buf = offset_in_memory;
2048
2049 increment_size = type_memsize(type_array_get_element(type));
2050
2051 if (increment_size > USHRT_MAX)
2052 error("array size of %u bytes is too large\n", increment_size);
2053
2054 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
2055 print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", RPC_FC_FIXED_OFFSET);
2056 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
2057 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)offset_in_memory, offset_in_memory);
2058 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
2059 *typestring_offset += 8;
2060
2061 pointer_count = write_pointer_description_offsets(
2062 file, attrs, type_array_get_element(type),
2063 &offset_of_array_pointer_mem, &offset_of_array_pointer_buf,
2064 typestring_offset);
2065 }
2066 }
2067
2068 return pointer_count;
2069 }
2070
2071 /* Note: if file is NULL return value is number of pointers to write, else
2072 * it is the number of type format characters written */
2073 static int write_varying_array_pointer_descriptions(
2074 FILE *file, const attr_list_t *attrs, type_t *type,
2075 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2076 unsigned int *typestring_offset)
2077 {
2078 int pointer_count = 0;
2079
2080 if (is_array(type) && type_array_has_variance(type))
2081 {
2082 unsigned int temp = 0;
2083 /* unfortunately, this needs to be done in two passes to avoid
2084 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2085 pointer_count = write_pointer_description_offsets(
2086 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2087 if (pointer_count > 0)
2088 {
2089 unsigned int increment_size;
2090
2091 increment_size = type_memsize(type_array_get_element(type));
2092
2093 if (increment_size > USHRT_MAX)
2094 error("array size of %u bytes is too large\n", increment_size);
2095
2096 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", RPC_FC_VARIABLE_REPEAT);
2097 print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", RPC_FC_VARIABLE_OFFSET);
2098 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
2099 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
2100 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
2101 *typestring_offset += 8;
2102
2103 pointer_count = write_pointer_description_offsets(
2104 file, attrs, type_array_get_element(type), offset_in_memory,
2105 offset_in_buffer, typestring_offset);
2106 }
2107 }
2108 else if (type_get_type(type) == TYPE_STRUCT)
2109 {
2110 const var_t *v;
2111 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2112 {
2113 if (offset_in_memory && offset_in_buffer)
2114 {
2115 unsigned int align = 0, padding;
2116
2117 if (is_array(v->type) && type_array_has_variance(v->type))
2118 {
2119 *offset_in_buffer = ROUND_SIZE(*offset_in_buffer, 4);
2120 /* skip over variance and offset in buffer */
2121 *offset_in_buffer += 8;
2122 }
2123
2124 type_memsize_and_alignment(v->type, &align);
2125 padding = ROUNDING(*offset_in_memory, align);
2126 *offset_in_memory += padding;
2127 *offset_in_buffer += padding;
2128 }
2129 pointer_count += write_varying_array_pointer_descriptions(
2130 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2131 typestring_offset);
2132 }
2133 }
2134 else
2135 {
2136 if (offset_in_memory && offset_in_buffer)
2137 {
2138 unsigned int memsize = type_memsize(type);
2139 *offset_in_memory += memsize;
2140 /* increment these separately as in the case of conformant (varying)
2141 * structures these start at different values */
2142 *offset_in_buffer += memsize;
2143 }
2144 }
2145
2146 return pointer_count;
2147 }
2148
2149 static void write_pointer_description(FILE *file, type_t *type,
2150 unsigned int *typestring_offset)
2151 {
2152 unsigned int offset_in_buffer;
2153 unsigned int offset_in_memory;
2154
2155 /* pass 1: search for single instance of a pointer (i.e. don't descend
2156 * into arrays) */
2157 if (!is_array(type))
2158 {
2159 offset_in_memory = 0;
2160 offset_in_buffer = 0;
2161 write_no_repeat_pointer_descriptions(
2162 file, NULL, type,
2163 &offset_in_memory, &offset_in_buffer, typestring_offset);
2164 }
2165
2166 /* pass 2: search for pointers in fixed arrays */
2167 offset_in_memory = 0;
2168 offset_in_buffer = 0;
2169 write_fixed_array_pointer_descriptions(
2170 file, NULL, type,
2171 &offset_in_memory, &offset_in_buffer, typestring_offset);
2172
2173 /* pass 3: search for pointers in conformant only arrays (but don't descend
2174 * into conformant varying or varying arrays) */
2175 if (is_conformant_array(type) &&
2176 (type_array_is_decl_as_ptr(type) || !current_structure))
2177 write_conformant_array_pointer_descriptions(
2178 file, NULL, type, 0, typestring_offset);
2179 else if (type_get_type(type) == TYPE_STRUCT &&
2180 get_struct_fc(type) == RPC_FC_CPSTRUCT)
2181 {
2182 type_t *carray = find_array_or_string_in_struct(type)->type;
2183 write_conformant_array_pointer_descriptions( file, NULL, carray,
2184 type_memsize(type), typestring_offset);
2185 }
2186
2187 /* pass 4: search for pointers in varying arrays */
2188 offset_in_memory = 0;
2189 offset_in_buffer = 0;
2190 write_varying_array_pointer_descriptions(
2191 file, NULL, type,
2192 &offset_in_memory, &offset_in_buffer, typestring_offset);
2193 }
2194
2195 int is_declptr(const type_t *t)
2196 {
2197 return is_ptr(t) || (type_get_type(t) == TYPE_ARRAY && type_array_is_decl_as_ptr(t));
2198 }
2199
2200 static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
2201 type_t *type, int toplevel_param,
2202 const char *name, unsigned int *typestring_offset)
2203 {
2204 unsigned int start_offset;
2205 unsigned char rtype;
2206 type_t *elem_type;
2207
2208 start_offset = *typestring_offset;
2209 update_tfsoff(type, start_offset, file);
2210
2211 if (is_declptr(type))
2212 {
2213 unsigned char flag = is_conformant_array(type) ? 0 : RPC_FC_P_SIMPLEPOINTER;
2214 int pointer_type = get_pointer_fc(type, attrs, toplevel_param);
2215 if (!pointer_type)
2216 pointer_type = RPC_FC_RP;
2217 print_start_tfs_comment(file, type, *typestring_offset);
2218 print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n",
2219 pointer_type, flag, string_of_type(pointer_type),
2220 flag ? " [simple_pointer]" : "");
2221 *typestring_offset += 2;
2222 if (!flag)
2223 {
2224 print_file(file, 2, "NdrFcShort(0x2),\n");
2225 *typestring_offset += 2;
2226 }
2227 }
2228
2229 if (is_array(type))
2230 elem_type = type_array_get_element(type);
2231 else
2232 elem_type = type_pointer_get_ref(type);
2233
2234 if (type_get_type(elem_type) != TYPE_BASIC)
2235 {
2236 error("write_string_tfs: Unimplemented for non-basic type %s\n", name);
2237 return start_offset;
2238 }
2239
2240 rtype = get_basic_fc(elem_type);
2241 if ((rtype != RPC_FC_BYTE) && (rtype != RPC_FC_CHAR) && (rtype != RPC_FC_WCHAR))
2242 {
2243 error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name);
2244 return start_offset;
2245 }
2246
2247 if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type))
2248 {
2249 unsigned int dim = type_array_get_dim(type);
2250
2251 /* FIXME: multi-dimensional array */
2252 if (0xffffu < dim)
2253 error("array size for parameter %s exceeds %u bytes by %u bytes\n",
2254 name, 0xffffu, dim - 0xffffu);
2255
2256 if (rtype == RPC_FC_WCHAR)
2257 WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
2258 else
2259 WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
2260 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2261 *typestring_offset += 2;
2262
2263 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)dim, dim);
2264 *typestring_offset += 2;
2265
2266 return start_offset;
2267 }
2268 else if (is_conformant_array(type))
2269 {
2270 if (rtype == RPC_FC_WCHAR)
2271 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2272 else
2273 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2274 print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED);
2275 *typestring_offset += 2;
2276
2277 *typestring_offset += write_conf_or_var_desc(
2278 file, current_structure,
2279 (!type_array_is_decl_as_ptr(type) && current_structure
2280 ? type_memsize(current_structure)
2281 : 0),
2282 type, type_array_get_conformance(type));
2283
2284 return start_offset;
2285 }
2286 else
2287 {
2288 if (rtype == RPC_FC_WCHAR)
2289 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2290 else
2291 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2292 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2293 *typestring_offset += 2;
2294
2295 return start_offset;
2296 }
2297 }
2298
2299 static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
2300 const char *name, unsigned int *typestring_offset)
2301 {
2302 const expr_t *length_is = type_array_get_variance(type);
2303 const expr_t *size_is = type_array_get_conformance(type);
2304 unsigned int align;
2305 unsigned int size;
2306 unsigned int start_offset;
2307 unsigned char fc;
2308 int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
2309 unsigned int baseoff
2310 = !type_array_is_decl_as_ptr(type) && current_structure
2311 ? type_memsize(current_structure)
2312 : 0;
2313
2314 if (!pointer_type)
2315 pointer_type = RPC_FC_RP;
2316
2317 write_embedded_types(file, attrs, type_array_get_element(type), name, FALSE, typestring_offset);
2318
2319 size = type_memsize(is_conformant_array(type) ? type_array_get_element(type) : type);
2320 align = type_buffer_alignment(is_conformant_array(type) ? type_array_get_element(type) : type);
2321 fc = get_array_fc(type);
2322
2323 start_offset = *typestring_offset;
2324 update_tfsoff(type, start_offset, file);
2325 print_start_tfs_comment(file, type, start_offset);
2326 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
2327 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
2328 *typestring_offset += 2;
2329
2330 align = 0;
2331 if (fc != RPC_FC_BOGUS_ARRAY)
2332 {
2333 if (fc == RPC_FC_LGFARRAY || fc == RPC_FC_LGVARRAY)
2334 {
2335 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", size, size);
2336 *typestring_offset += 4;
2337 }
2338 else
2339 {
2340 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size);
2341 *typestring_offset += 2;
2342 }
2343
2344 if (is_conformant_array(type))
2345 *typestring_offset
2346 += write_conf_or_var_desc(file, current_structure, baseoff,
2347 type, size_is);
2348
2349 if (fc == RPC_FC_SMVARRAY || fc == RPC_FC_LGVARRAY)
2350 {
2351 unsigned int elsize = type_memsize(type_array_get_element(type));
2352 unsigned int dim = type_array_get_dim(type);
2353
2354 if (fc == RPC_FC_LGVARRAY)
2355 {
2356 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", dim, dim);
2357 *typestring_offset += 4;
2358 }
2359 else
2360 {
2361 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim);
2362 *typestring_offset += 2;
2363 }
2364
2365 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)elsize, elsize);
2366 *typestring_offset += 2;
2367 }
2368
2369 if (length_is)
2370 *typestring_offset
2371 += write_conf_or_var_desc(file, current_structure, baseoff,
2372 type, length_is);
2373
2374 if (type_has_pointers(type_array_get_element(type)) &&
2375 (type_array_is_decl_as_ptr(type) || !current_structure))
2376 {
2377 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
2378 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2379 *typestring_offset += 2;
2380 write_pointer_description(file, type, typestring_offset);
2381 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
2382 *typestring_offset += 1;
2383 }
2384
2385 write_array_element_type(file, type, FALSE, typestring_offset);
2386 write_end(file, typestring_offset);
2387 }
2388 else
2389 {
2390 unsigned int dim = size_is ? 0 : type_array_get_dim(type);
2391 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim);
2392 *typestring_offset += 2;
2393 *typestring_offset
2394 += write_conf_or_var_desc(file, current_structure, baseoff,
2395 type, size_is);
2396 *typestring_offset
2397 += write_conf_or_var_desc(file, current_structure, baseoff,
2398 type, length_is);
2399
2400 write_array_element_type(file, type, TRUE, typestring_offset);
2401 write_end(file, typestring_offset);
2402 }
2403
2404 return start_offset;
2405 }
2406
2407 static const var_t *find_array_or_string_in_struct(const type_t *type)
2408 {
2409 const var_list_t *fields = type_struct_get_fields(type);
2410 const var_t *last_field;
2411 const type_t *ft;
2412
2413 if (!fields || list_empty(fields))
2414 return NULL;
2415
2416 last_field = LIST_ENTRY( list_tail(fields), const var_t, entry );
2417 ft = last_field->type;
2418
2419 if (is_conformant_array(ft) && !type_array_is_decl_as_ptr(ft))
2420 return last_field;
2421
2422 if (type_get_type(ft) == TYPE_STRUCT)
2423 return find_array_or_string_in_struct(ft);
2424 else
2425 return NULL;
2426 }
2427
2428 static void write_struct_members(FILE *file, const type_t *type,
2429 int is_complex, unsigned int *corroff,
2430 unsigned int *typestring_offset)
2431 {
2432 const var_t *field;
2433 unsigned short offset = 0;
2434 unsigned int salign = 1;
2435 int padding;
2436 var_list_t *fields = type_struct_get_fields(type);
2437
2438 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2439 {
2440 type_t *ft = field->type;
2441 unsigned int align = 0;
2442 unsigned int size = type_memsize_and_alignment(ft, &align);
2443 align = clamp_align(align);
2444 if (salign < align) salign = align;
2445
2446 if (!is_conformant_array(ft) || type_array_is_decl_as_ptr(ft))
2447 {
2448 if ((align - 1) & offset)
2449 {
2450 unsigned char fc = 0;
2451 switch (align)
2452 {
2453 case 2:
2454 fc = RPC_FC_ALIGNM2;
2455 break;
2456 case 4:
2457 fc = RPC_FC_ALIGNM4;
2458 break;
2459 case 8:
2460 fc = RPC_FC_ALIGNM8;
2461 break;
2462 default:
2463 error("write_struct_members: cannot align type %d\n", type_get_type(ft));
2464 }
2465 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2466 offset = ROUND_SIZE(offset, align);
2467 *typestring_offset += 1;
2468 }
2469 write_member_type(file, type, is_complex, field->attrs, field->type, corroff,
2470 typestring_offset);
2471 offset += size;
2472 }
2473 }
2474
2475 padding = ROUNDING(offset, salign);
2476 if (padding)
2477 {
2478 print_file(file, 2, "0x%x,\t/* FC_STRUCTPAD%d */\n",
2479 RPC_FC_STRUCTPAD1 + padding - 1,
2480 padding);
2481 *typestring_offset += 1;
2482 }
2483
2484 write_end(file, typestring_offset);
2485 }
2486
2487 static unsigned int write_struct_tfs(FILE *file, type_t *type,
2488 const char *name, unsigned int *tfsoff)
2489 {
2490 const type_t *save_current_structure = current_structure;
2491 unsigned int total_size;
2492 const var_t *array;
2493 unsigned int start_offset;
2494 unsigned int align;
2495 unsigned int corroff;
2496 var_t *f;
2497 unsigned char fc = get_struct_fc(type);
2498 var_list_t *fields = type_struct_get_fields(type);
2499
2500 guard_rec(type);
2501 current_structure = type;
2502
2503 total_size = type_memsize(type);
2504 align = type_buffer_alignment(type);
2505 if (total_size > USHRT_MAX)
2506 error("structure size for %s exceeds %d bytes by %d bytes\n",
2507 name, USHRT_MAX, total_size - USHRT_MAX);
2508
2509 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2510 write_embedded_types(file, f->attrs, f->type, f->name, FALSE, tfsoff);
2511
2512 array = find_array_or_string_in_struct(type);
2513 if (array && !processed(array->type))
2514 {
2515 if(is_string_type(array->attrs, array->type))
2516 write_string_tfs(file, array->attrs, array->type, FALSE, array->name, tfsoff);
2517 else
2518 write_array_tfs(file, array->attrs, array->type, array->name, tfsoff);
2519 }
2520
2521 corroff = *tfsoff;
2522 write_descriptors(file, type, tfsoff);
2523
2524 start_offset = *tfsoff;
2525 update_tfsoff(type, start_offset, file);
2526 print_start_tfs_comment(file, type, start_offset);
2527 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2528 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
2529 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)total_size, total_size);
2530 *tfsoff += 4;
2531
2532 if (array)
2533 {
2534 unsigned int absoff = array->type->typestring_offset;
2535 short reloff = absoff - *tfsoff;
2536 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2537 reloff, reloff, absoff);
2538 *tfsoff += 2;
2539 }
2540 else if (fc == RPC_FC_BOGUS_STRUCT)
2541 {
2542 print_file(file, 2, "NdrFcShort(0x0),\n");
2543 *tfsoff += 2;
2544 }
2545
2546 if (fc == RPC_FC_BOGUS_STRUCT)
2547 {
2548 /* On the sizing pass, type->ptrdesc may be zero, but it's ok as
2549 nothing is written to file yet. On the actual writing pass,
2550 this will have been updated. */
2551 unsigned int absoff = type->ptrdesc ? type->ptrdesc : *tfsoff;
2552 int reloff = absoff - *tfsoff;
2553 assert( reloff >= 0 );
2554 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%u) */\n",
2555 (unsigned short)reloff, reloff, absoff);
2556 *tfsoff += 2;
2557 }
2558 else if ((fc == RPC_FC_PSTRUCT) ||
2559 (fc == RPC_FC_CPSTRUCT) ||
2560 (fc == RPC_FC_CVSTRUCT && type_has_pointers(type)))
2561 {
2562 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
2563 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
2564 *tfsoff += 2;
2565 write_pointer_description(file, type, tfsoff);
2566 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
2567 *tfsoff += 1;
2568 }
2569
2570 write_struct_members(file, type, fc == RPC_FC_BOGUS_STRUCT, &corroff,
2571 tfsoff);
2572
2573 if (fc == RPC_FC_BOGUS_STRUCT)
2574 {
2575 const var_t *f;
2576
2577 type->ptrdesc = *tfsoff;
2578 if (fields) LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
2579 {
2580 type_t *ft = f->type;
2581 switch (typegen_detect_type(ft, f->attrs, TDT_IGNORE_STRINGS))
2582 {
2583 case TGT_POINTER:
2584 if (is_string_type(f->attrs, ft))
2585 write_string_tfs(file, f->attrs, ft, FALSE, f->name, tfsoff);
2586 else
2587 write_pointer_tfs(file, f->attrs, ft,
2588 type_pointer_get_ref(ft)->typestring_offset,
2589 FALSE, tfsoff);
2590 break;
2591 case TGT_ARRAY:
2592 if (type_array_is_decl_as_ptr(ft))
2593 {
2594 unsigned int offset;
2595
2596 print_file(file, 0, "/* %d */\n", *tfsoff);
2597
2598 offset = ft->typestring_offset;
2599 /* skip over the pointer that is written for strings, since a
2600 * pointer has to be written in-place here */
2601 if (is_string_type(f->attrs, ft))
2602 offset += 4;
2603 write_nonsimple_pointer(file, f->attrs, ft, FALSE, offset, tfsoff);
2604 }
2605 break;
2606 default:
2607 break;
2608 }
2609 }
2610 if (type->ptrdesc == *tfsoff)
2611 type->ptrdesc = 0;
2612 }
2613
2614 current_structure = save_current_structure;
2615 return start_offset;
2616 }
2617
2618 static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff)
2619 {
2620 if (t == NULL)
2621 {
2622 print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n");
2623 }
2624 else
2625 {
2626 if (type_get_type(t) == TYPE_BASIC || type_get_type(t) == TYPE_ENUM)
2627 {
2628 unsigned char fc;
2629 if (type_get_type(t) == TYPE_BASIC)
2630 fc = get_basic_fc(t);
2631 else
2632 fc = get_enum_fc(t);
2633 print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n",
2634 fc, string_of_type(fc));
2635 }
2636 else if (t->typestring_offset)
2637 {
2638 short reloff = t->typestring_offset - *tfsoff;
2639 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%d) */\n",
2640 reloff, reloff, t->typestring_offset);
2641 }
2642 else
2643 error("write_branch_type: type unimplemented %d\n", type_get_type(t));
2644 }
2645
2646 *tfsoff += 2;
2647 }
2648
2649 static unsigned int write_union_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
2650 {
2651 unsigned int start_offset;
2652 unsigned int size;
2653 var_list_t *fields;
2654 unsigned int nbranch = 0;
2655 type_t *deftype = NULL;
2656 short nodeftype = 0xffff;
2657 var_t *f;
2658
2659 guard_rec(type);
2660
2661 size = type_memsize(type);
2662
2663 fields = type_union_get_cases(type);
2664
2665 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2666 {
2667 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
2668 if (cases)
2669 nbranch += list_count(cases);
2670 if (f->type)
2671 write_embedded_types(file, f->attrs, f->type, f->name, TRUE, tfsoff);
2672 }
2673
2674 start_offset = *tfsoff;
2675 update_tfsoff(type, start_offset, file);
2676 print_start_tfs_comment(file, type, start_offset);
2677 if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2678 {
2679 const var_t *sv = type_union_get_switch_value(type);
2680 const type_t *st = sv->type;
2681 unsigned char fc;
2682
2683 if (type_get_type(st) == TYPE_BASIC)
2684 {
2685 switch (get_basic_fc(st))
2686 {
2687 case RPC_FC_CHAR:
2688 case RPC_FC_SMALL:
2689 case RPC_FC_BYTE:
2690 case RPC_FC_USMALL:
2691 case RPC_FC_WCHAR:
2692 case RPC_FC_SHORT:
2693 case RPC_FC_USHORT:
2694 case RPC_FC_LONG:
2695 case RPC_FC_ULONG:
2696 fc = get_basic_fc(st);
2697 break;
2698 default:
2699 fc = 0;
2700 error("union switch type must be an integer, char, or enum\n");
2701 }
2702 }
2703 else if (type_get_type(st) == TYPE_ENUM)
2704 fc = get_enum_fc(st);
2705 else
2706 error("union switch type must be an integer, char, or enum\n");
2707
2708 print_file(file, 2, "0x%x,\t/* FC_ENCAPSULATED_UNION */\n", RPC_FC_ENCAPSULATED_UNION);
2709 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
2710 0x40 | fc, string_of_type(fc));
2711 *tfsoff += 2;
2712 }
2713 else if (is_attr(type->attrs, ATTR_SWITCHTYPE))
2714 {
2715 static const expr_t dummy_expr; /* FIXME */
2716 const type_t *st = get_attrp(type->attrs, ATTR_SWITCHTYPE);
2717 unsigned char fc;
2718
2719 if (type_get_type(st) == TYPE_BASIC)
2720 {
2721 switch (get_basic_fc(st))
2722 {
2723 case RPC_FC_CHAR:
2724 case RPC_FC_SMALL:
2725 case RPC_FC_USMALL:
2726 case RPC_FC_SHORT:
2727 case RPC_FC_USHORT:
2728 case RPC_FC_LONG:
2729 case RPC_FC_ULONG:
2730 case RPC_FC_ENUM16:
2731 case RPC_FC_ENUM32:
2732 fc = get_basic_fc(st);
2733 break;
2734 default:
2735 fc = 0;
2736 error("union switch type must be an integer, char, or enum\n");
2737 }
2738 }
2739 else if (type_get_type(st) == TYPE_ENUM)
2740 fc = get_enum_fc(st);
2741 else
2742 error("union switch type must be an integer, char, or enum\n");
2743
2744 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", RPC_FC_NON_ENCAPSULATED_UNION);
2745 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
2746 fc, string_of_type(fc));
2747 *tfsoff += 2;
2748
2749 *tfsoff += write_conf_or_var_desc(file, NULL, *tfsoff, st, &dummy_expr );
2750 print_file(file, 2, "NdrFcShort(0x2),\t/* Offset= 2 (%u) */\n", *tfsoff + 2);
2751 *tfsoff += 2;
2752 print_file(file, 0, "/* %u */\n", *tfsoff);
2753 }
2754
2755 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)size, size);
2756 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)nbranch, nbranch);
2757 *tfsoff += 4;
2758
2759 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
2760 {
2761 type_t *ft = f->type;
2762 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
2763 int deflt = is_attr(f->attrs, ATTR_DEFAULT);
2764 expr_t *c;
2765
2766 if (cases == NULL && !deflt)
2767 error("union field %s with neither case nor default attribute\n", f->name);
2768
2769 if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry)
2770 {
2771 /* MIDL doesn't check for duplicate cases, even though that seems
2772 like a reasonable thing to do, it just dumps them to the TFS
2773 like we're going to do here. */
2774 print_file(file, 2, "NdrFcLong(0x%x),\t/* %d */\n", c->cval, c->cval);
2775 *tfsoff += 4;
2776 write_branch_type(file, ft, tfsoff);
2777 }
2778
2779 /* MIDL allows multiple default branches, even though that seems
2780 illogical, it just chooses the last one, which is what we will
2781 do. */
2782 if (deflt)
2783 {
2784 deftype = ft;
2785 nodeftype = 0;
2786 }
2787 }
2788
2789 if (deftype)
2790 {
2791 write_branch_type(file, deftype, tfsoff);
2792 }
2793 else
2794 {
2795 print_file(file, 2, "NdrFcShort(0x%hx),\n", nodeftype);
2796 *tfsoff += 2;
2797 }
2798
2799 return start_offset;
2800 }
2801
2802 static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
2803 unsigned int *typeformat_offset)
2804 {
2805 unsigned int i;
2806 unsigned int start_offset = *typeformat_offset;
2807 expr_t *iid = get_attrp(attrs, ATTR_IIDIS);
2808
2809 print_start_tfs_comment(file, type, start_offset);
2810
2811 if (iid)
2812 {
2813 print_file(file, 2, "0x2f, /* FC_IP */\n");
2814 print_file(file, 2, "0x5c, /* FC_PAD */\n");
2815 *typeformat_offset
2816 += write_conf_or_var_desc(file, current_structure, 0, type, iid) + 2;
2817 }
2818 else
2819 {
2820 const type_t *base = is_ptr(type) ? type_pointer_get_ref(type) : type;
2821 const UUID *uuid = get_attrp(base->attrs, ATTR_UUID);
2822
2823 if (! uuid)
2824 error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
2825
2826 update_tfsoff(type, start_offset, file);
2827 print_file(file, 2, "0x2f,\t/* FC_IP */\n");
2828 print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n");
2829 print_file(file, 2, "NdrFcLong(0x%08x),\n", uuid->Data1);
2830 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2);
2831 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3);
2832 for (i = 0; i < 8; ++i)
2833 print_file(file, 2, "0x%02x,\n", uuid->Data4[i]);
2834
2835 if (file)
2836 fprintf(file, "\n");
2837
2838 *typeformat_offset += 18;
2839 }
2840 return start_offset;
2841 }
2842
2843 static unsigned int write_contexthandle_tfs(FILE *file,
2844 const attr_list_t *attrs,
2845 const type_t *type,
2846 unsigned int *typeformat_offset)
2847 {
2848 unsigned int start_offset = *typeformat_offset;
2849 unsigned char flags = 0;
2850
2851 if (is_attr(current_iface->attrs, ATTR_STRICTCONTEXTHANDLE))
2852 flags |= NDR_STRICT_CONTEXT_HANDLE;
2853
2854 if (is_ptr(type))
2855 flags |= 0x80;
2856 if (is_attr(attrs, ATTR_IN))
2857 {
2858 flags |= 0x40;
2859 if (!is_attr(attrs, ATTR_OUT))
2860 flags |= NDR_CONTEXT_HANDLE_CANNOT_BE_NULL;
2861 }
2862 if (is_attr(attrs, ATTR_OUT))
2863 flags |= 0x20;
2864
2865 WRITE_FCTYPE(file, FC_BIND_CONTEXT, *typeformat_offset);
2866 print_file(file, 2, "0x%x,\t/* Context flags: ", flags);
2867 /* return and can't be null values overlap */
2868 if (((flags & 0x21) != 0x21) && (flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL))
2869 print_file(file, 0, "can't be null, ");
2870 if (flags & NDR_CONTEXT_HANDLE_SERIALIZE)
2871 print_file(file, 0, "serialize, ");
2872 if (flags & NDR_CONTEXT_HANDLE_NO_SERIALIZE)
2873 print_file(file, 0, "no serialize, ");
2874 if (flags & NDR_STRICT_CONTEXT_HANDLE)
2875 print_file(file, 0, "strict, ");
2876 if ((flags & 0x21) == 0x20)
2877 print_file(file, 0, "out, ");
2878 if ((flags & 0x21) == 0x21)
2879 print_file(file, 0, "return, ");
2880 if (flags & 0x40)
2881 print_file(file, 0, "in, ");
2882 if (flags & 0x80)
2883 print_file(file, 0, "via ptr, ");
2884 print_file(file, 0, "*/\n");
2885 print_file(file, 2, "0, /* FIXME: rundown routine index*/\n");
2886 print_file(file, 2, "0, /* FIXME: param num */\n");
2887 *typeformat_offset += 4;
2888
2889 return start_offset;
2890 }
2891
2892 static unsigned int write_range_tfs(FILE *file, const attr_list_t *attrs,
2893 type_t *type, expr_list_t *range_list,
2894 unsigned int *typeformat_offset)
2895 {
2896 unsigned char fc;
2897 unsigned int start_offset = *typeformat_offset;
2898 const expr_t *range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry);
2899 const expr_t *range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
2900
2901 if (type_get_type(type) == TYPE_BASIC)
2902 fc = get_basic_fc(type);
2903 else
2904 fc = get_enum_fc(type);
2905
2906 /* fc must fit in lower 4-bits of 8-bit field below */
2907 assert(fc <= 0xf);
2908
2909 print_file(file, 0, "/* %u */\n", *typeformat_offset);
2910 print_file(file, 2, "0x%x,\t/* FC_RANGE */\n", RPC_FC_RANGE);
2911 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2912 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_min->cval, range_min->cval);
2913 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_max->cval, range_max->cval);
2914 *typeformat_offset += 10;
2915
2916 return start_offset;
2917 }
2918
2919 static unsigned int write_type_tfs(FILE *file, int indent,
2920 const attr_list_t *attrs, type_t *type,
2921 const char *name,
2922 enum type_context context,
2923 unsigned int *typeformat_offset)
2924 {
2925 unsigned int offset;
2926
2927 switch (typegen_detect_type(type, attrs, TDT_ALL_TYPES))
2928 {
2929 case TGT_CTXT_HANDLE:
2930 case TGT_CTXT_HANDLE_POINTER:
2931 return write_contexthandle_tfs(file, attrs, type, typeformat_offset);
2932 case TGT_USER_TYPE:
2933 write_user_tfs(file, type, typeformat_offset);
2934 return type->typestring_offset;
2935 case TGT_STRING:
2936 return write_string_tfs(file, attrs, type,
2937 context == TYPE_CONTEXT_TOPLEVELPARAM,
2938 name, typeformat_offset);
2939 case TGT_ARRAY:
2940 {
2941 unsigned int off;
2942 /* conformant and pointer arrays are handled specially */
2943 if ((context != TYPE_CONTEXT_CONTAINER &&
2944 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS) ||
2945 !is_conformant_array(type) || type_array_is_decl_as_ptr(type))
2946 off = write_array_tfs(file, attrs, type, name, typeformat_offset);
2947 else
2948 off = 0;
2949 if (context != TYPE_CONTEXT_CONTAINER &&
2950 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS)
2951 {
2952 int ptr_type;
2953 ptr_type = get_pointer_fc(type, attrs,
2954 context == TYPE_CONTEXT_TOPLEVELPARAM);
2955 if (ptr_type != RPC_FC_RP)
2956 {
2957 unsigned int absoff = type->typestring_offset;
2958 short reloff = absoff - (*typeformat_offset + 2);
2959 off = *typeformat_offset;
2960 print_file(file, 0, "/* %d */\n", off);
2961 print_file(file, 2, "0x%x, 0x0,\t/* %s */\n", ptr_type,
2962 string_of_type(ptr_type));
2963 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2964 reloff, reloff, absoff);
2965 *typeformat_offset += 4;
2966 }
2967 }
2968 return off;
2969 }
2970 case TGT_STRUCT:
2971 if (processed(type)) return type->typestring_offset;
2972 return write_struct_tfs(file, type, name, typeformat_offset);
2973 case TGT_UNION:
2974 if (processed(type)) return type->typestring_offset;
2975 return write_union_tfs(file, type, typeformat_offset);
2976 case TGT_ENUM:
2977 case TGT_BASIC:
2978 /* nothing to do */
2979 return 0;
2980 case TGT_RANGE:
2981 {
2982 expr_list_t *range_list = get_attrp(attrs, ATTR_RANGE);
2983 if (!range_list)
2984 range_list = get_aliaschain_attrp(type, ATTR_RANGE);
2985 return write_range_tfs(file, attrs, type, range_list, typeformat_offset);
2986 }
2987 case TGT_IFACE_POINTER:
2988 return write_ip_tfs(file, attrs, type, typeformat_offset);
2989 case TGT_POINTER:
2990 if (processed(type_pointer_get_ref(type)))
2991 offset = type_pointer_get_ref(type)->typestring_offset;
2992 else
2993 {
2994 enum type_context ref_context;
2995 if (context == TYPE_CONTEXT_TOPLEVELPARAM)
2996 ref_context = TYPE_CONTEXT_PARAM;
2997 else if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS)
2998 ref_context = TYPE_CONTEXT_CONTAINER;
2999 else
3000 ref_context = context;
3001 offset = write_type_tfs(
3002 file, indent, attrs, type_pointer_get_ref(type), name,
3003 ref_context, typeformat_offset);
3004 }
3005 if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS)
3006 return 0;
3007 else
3008 return write_pointer_tfs(file, attrs, type, offset,
3009 context == TYPE_CONTEXT_TOPLEVELPARAM,
3010 typeformat_offset);
3011 case TGT_INVALID:
3012 break;
3013 }
3014 error("invalid type %s for var %s\n", type->name, name);
3015 return 0;
3016 }
3017
3018 static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
3019 const char *name, int write_ptr, unsigned int *tfsoff)
3020 {
3021 return write_type_tfs(file, 2, attrs, type, name, write_ptr ? TYPE_CONTEXT_CONTAINER : TYPE_CONTEXT_CONTAINER_NO_POINTERS, tfsoff);
3022 }
3023
3024 static unsigned int process_tfs_stmts(FILE *file, const statement_list_t *stmts,
3025 type_pred_t pred, unsigned int *typeformat_offset)
3026 {
3027 const var_t *var;
3028 const statement_t *stmt;
3029
3030 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
3031 {
3032 const type_t *iface;
3033 const statement_t *stmt_func;
3034
3035 if (stmt->type == STMT_LIBRARY)
3036 {
3037 process_tfs_stmts(file, stmt->u.lib->stmts, pred, typeformat_offset);
3038 continue;
3039 }
3040 else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
3041 continue;
3042
3043 iface = stmt->u.type;
3044 if (!pred(iface))
3045 continue;
3046
3047 current_iface = iface;
3048 STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
3049 {
3050 const var_t *func = stmt_func->u.var;
3051 if (is_local(func->attrs)) continue;
3052
3053 if (!is_void(type_function_get_rettype(func->type)))
3054 {
3055 update_tfsoff(type_function_get_rettype(func->type),
3056 write_type_tfs(
3057 file, 2, func->attrs,
3058 type_function_get_rettype(func->type),
3059 func->name, TYPE_CONTEXT_PARAM,
3060 typeformat_offset),
3061 file);
3062 }
3063
3064 if (type_get_function_args(func->type))
3065 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3066 update_tfsoff(
3067 var->type,
3068 write_type_tfs(
3069 file, 2, var->attrs, var->type, var->name,
3070 TYPE_CONTEXT_TOPLEVELPARAM,
3071 typeformat_offset),
3072 file);
3073 }
3074 }
3075
3076 return *typeformat_offset + 1;
3077 }
3078
3079 static unsigned int process_tfs(FILE *file, const statement_list_t *stmts, type_pred_t pred)
3080 {
3081 unsigned int typeformat_offset = 2;
3082
3083 return process_tfs_stmts(file, stmts, pred, &typeformat_offset);
3084 }
3085
3086
3087 void write_typeformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
3088 {
3089 int indent = 0;
3090
3091 print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
3092 print_file(file, indent, "{\n");
3093 indent++;
3094 print_file(file, indent, "0,\n");
3095 print_file(file, indent, "{\n");
3096 indent++;
3097 print_file(file, indent, "NdrFcShort(0x0),\n");
3098
3099 set_all_tfswrite(TRUE);
3100 process_tfs(file, stmts, pred);
3101
3102 print_file(file, indent, "0x0\n");
3103 indent--;
3104 print_file(file, indent, "}\n");
3105 indent--;
3106 print_file(file, indent, "};\n");
3107 print_file(file, indent, "\n");
3108 }
3109
3110 static unsigned int get_required_buffer_size_type(
3111 const type_t *type, const char *name, const attr_list_t *attrs, int toplevel_param, unsigned int *alignment)
3112 {
3113 *alignment = 0;
3114 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS|TDT_IGNORE_RANGES))
3115 {
3116 case TGT_USER_TYPE:
3117 {
3118 const char *uname;
3119 const type_t *utype = get_user_type(type, &uname);
3120 return get_required_buffer_size_type(utype, uname, NULL, FALSE, alignment);
3121 }
3122 case TGT_BASIC:
3123 switch (get_basic_fc(type))
3124 {
3125 case RPC_FC_BYTE:
3126 case RPC_FC_CHAR:
3127 case RPC_FC_USMALL:
3128 case RPC_FC_SMALL:
3129 *alignment = 4;
3130 return 1;
3131
3132 case RPC_FC_WCHAR:
3133 case RPC_FC_USHORT:
3134 case RPC_FC_SHORT:
3135 *alignment = 4;
3136 return 2;
3137
3138 case RPC_FC_ULONG:
3139 case RPC_FC_LONG:
3140 case RPC_FC_FLOAT:
3141 case RPC_FC_ERROR_STATUS_T:
3142 *alignment = 4;
3143 return 4;
3144
3145 case RPC_FC_HYPER:
3146 case RPC_FC_DOUBLE:
3147 *alignment = 8;
3148 return 8;
3149
3150 case RPC_FC_INT3264:
3151 case RPC_FC_UINT3264:
3152 assert( pointer_size );
3153 *alignment = pointer_size;
3154 return pointer_size;
3155
3156 case RPC_FC_IGNORE:
3157 case RPC_FC_BIND_PRIMITIVE:
3158 return 0;
3159
3160 default:
3161 error("get_required_buffer_size: unknown basic type 0x%02x\n",
3162 get_basic_fc(type));
3163 return 0;
3164 }
3165 break;
3166
3167 case TGT_ENUM:
3168 switch (get_enum_fc(type))
3169 {
3170 case RPC_FC_ENUM32:
3171 *alignment = 4;
3172 return 4;
3173 case RPC_FC_ENUM16:
3174 *alignment = 4;
3175 return 2;
3176 }
3177 break;
3178
3179 case TGT_STRUCT:
3180 if (get_struct_fc(type) == RPC_FC_STRUCT)
3181 {
3182 if (!type_struct_get_fields(type)) return 0;
3183 return fields_memsize(type_struct_get_fields(type), alignment);
3184 }
3185 break;
3186
3187 case TGT_POINTER:
3188 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_RP)
3189 {
3190 const type_t *ref = type_pointer_get_ref(type);
3191 switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
3192 {
3193 case TGT_BASIC:
3194 case TGT_ENUM:
3195 case TGT_RANGE:
3196 return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
3197 case TGT_STRUCT:
3198 if (get_struct_fc(ref) == RPC_FC_STRUCT)
3199 return get_required_buffer_size_type( ref, name, NULL, FALSE, alignment );
3200 break;
3201 case TGT_USER_TYPE:
3202 case TGT_CTXT_HANDLE:
3203 case TGT_CTXT_HANDLE_POINTER:
3204 case TGT_STRING:
3205 case TGT_POINTER:
3206 case TGT_ARRAY:
3207 case TGT_IFACE_POINTER:
3208 case TGT_UNION:
3209 case TGT_INVALID:
3210 break;
3211 }
3212 }
3213 break;
3214
3215 case TGT_ARRAY:
3216 if (get_pointer_fc(type, attrs, toplevel_param) == RPC_FC_RP)
3217 return type_array_get_dim(type) *
3218 get_required_buffer_size_type(type_array_get_element(type), name,
3219 NULL, FALSE, alignment);
3220
3221 default:
3222 break;
3223 }
3224 return 0;
3225 }
3226
3227 static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass)
3228 {
3229 int in_attr = is_attr(var->attrs, ATTR_IN);
3230 int out_attr = is_attr(var->attrs, ATTR_OUT);
3231
3232 if (!in_attr && !out_attr)
3233 in_attr = 1;
3234
3235 *alignment = 0;
3236
3237 if ((pass == PASS_IN && in_attr) || (pass == PASS_OUT && out_attr) ||
3238 pass == PASS_RETURN)
3239 {
3240 if (is_ptrchain_attr(var, ATTR_CONTEXTHANDLE))
3241 {
3242 *alignment = 4;
3243 return 20;
3244 }
3245
3246 if (!is_string_type(var->attrs, var->type))
3247 return get_required_buffer_size_type(var->type, var->name,
3248 var->attrs, TRUE, alignment);
3249 }
3250 return 0;
3251 }
3252
3253 static unsigned int get_function_buffer_size( const var_t *func, enum pass pass )
3254 {
3255 const var_t *var;
3256 unsigned int total_size = 0, alignment;
3257
3258 if (type_get_function_args(func->type))
3259 {
3260 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3261 {
3262 total_size += get_required_buffer_size(var, &alignment, pass);
3263 total_size += alignment;
3264 }
3265 }
3266
3267 if (pass == PASS_OUT && !is_void(type_function_get_rettype(func->type)))
3268 {
3269 var_t v = *func;
3270 v.type = type_function_get_rettype(func->type);
3271 total_size += get_required_buffer_size(&v, &alignment, PASS_RETURN);
3272 total_size += alignment;
3273 }
3274 return total_size;
3275 }
3276
3277 static void print_phase_function(FILE *file, int indent, const char *type,
3278 const char *local_var_prefix, enum remoting_phase phase,
3279 const var_t *var, unsigned int type_offset)
3280 {
3281 const char *function;
3282 switch (phase)
3283 {
3284 case PHASE_BUFFERSIZE:
3285 function = "BufferSize";
3286 break;
3287 case PHASE_MARSHAL:
3288 function = "Marshall";
3289 break;
3290 case PHASE_UNMARSHAL:
3291 function = "Unmarshall";
3292 break;
3293 case PHASE_FREE:
3294 function = "Free";
3295 break;
3296 default:
3297 assert(0);
3298 return;
3299 }
3300
3301 print_file(file, indent, "Ndr%s%s(\n", type, function);
3302 indent++;
3303 print_file(file, indent, "&__frame->_StubMsg,\n");
3304 print_file(file, indent, "%s%s%s%s%s,\n",
3305 (phase == PHASE_UNMARSHAL) ? "(unsigned char **)" : "(unsigned char *)",
3306 (phase == PHASE_UNMARSHAL || decl_indirect(var->type)) ? "&" : "",
3307 local_var_prefix,
3308 (phase == PHASE_UNMARSHAL && decl_indirect(var->type)) ? "_p_" : "",
3309 var->name);
3310 print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
3311 type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");");
3312 if (phase == PHASE_UNMARSHAL)
3313 print_file(file, indent, "0);\n");
3314 indent--;
3315 }
3316
3317 void print_phase_basetype(FILE *file, int indent, const char *local_var_prefix,
3318 enum remoting_phase phase, enum pass pass, const var_t *var,
3319 const char *varname)
3320 {
3321 type_t *type = var->type;
3322 unsigned int alignment = 0;
3323
3324 /* no work to do for other phases, buffer sizing is done elsewhere */
3325 if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL)
3326 return;
3327
3328 if (type_get_type(type) == TYPE_ENUM ||
3329 (type_get_type(type) == TYPE_BASIC &&
3330 type_basic_get_type(type) == TYPE_BASIC_INT3264 &&
3331 pointer_size != 4))
3332 {
3333 unsigned char fc;
3334
3335 if (type_get_type(type) == TYPE_ENUM)
3336 fc = get_enum_fc(type);
3337 else
3338 fc = get_basic_fc(type);
3339
3340 if (phase == PHASE_MARSHAL)
3341 print_file(file, indent, "NdrSimpleTypeMarshall(\n");
3342 else
3343 print_file(file, indent, "NdrSimpleTypeUnmarshall(\n");
3344 print_file(file, indent+1, "&__frame->_StubMsg,\n");
3345 print_file(file, indent+1, "(unsigned char *)&%s%s,\n",
3346 local_var_prefix,
3347 var->name);
3348 print_file(file, indent+1, "0x%02x /* %s */);\n", fc, string_of_type(fc));
3349 }
3350 else
3351 {
3352 const type_t *ref = is_ptr(type) ? type_pointer_get_ref(type) : type;
3353 switch (get_basic_fc(ref))
3354 {
3355 case RPC_FC_BYTE:
3356 case RPC_FC_CHAR:
3357 case RPC_FC_SMALL:
3358 case RPC_FC_USMALL:
3359 alignment = 1;
3360 break;
3361
3362 case RPC_FC_WCHAR:
3363 case RPC_FC_USHORT:
3364 case RPC_FC_SHORT:
3365 alignment = 2;
3366 break;
3367
3368 case RPC_FC_ULONG:
3369 case RPC_FC_LONG:
3370 case RPC_FC_FLOAT:
3371 case RPC_FC_ERROR_STATUS_T:
3372 /* pointer_size must be 4 if we got here in these two cases */
3373 case RPC_FC_INT3264:
3374 case RPC_FC_UINT3264:
3375 alignment = 4;
3376 break;
3377
3378 case RPC_FC_HYPER:
3379 case RPC_FC_DOUBLE:
3380 alignment = 8;
3381 break;
3382
3383 case RPC_FC_IGNORE:
3384 case RPC_FC_BIND_PRIMITIVE:
3385 /* no marshalling needed */
3386 return;
3387
3388 default:
3389 error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n",
3390 var->name, get_basic_fc(ref));
3391 }
3392
3393 if (phase == PHASE_MARSHAL && alignment > 1)
3394 print_file(file, indent, "MIDL_memset(__frame->_StubMsg.Buffer, 0, (0x%x - (ULONG_PTR)__frame->_StubMsg.Buffer) & 0x%x);\n", alignment, alignment - 1);
3395 print_file(file, indent, "__frame->_StubMsg.Buffer = (unsigned char *)(((ULONG_PTR)__frame->_StubMsg.Buffer + %u) & ~0x%x);\n",
3396 alignment - 1, alignment - 1);
3397
3398 if (phase == PHASE_MARSHAL)
3399 {
3400 print_file(file, indent, "*(");
3401 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3402 if (is_ptr(type))
3403 fprintf(file, " *)__frame->_StubMsg.Buffer = *");
3404 else
3405 fprintf(file, " *)__frame->_StubMsg.Buffer = ");
3406 fprintf(file, "%s%s", local_var_prefix, varname);
3407 fprintf(file, ";\n");
3408 }
3409 else if (phase == PHASE_UNMARSHAL)
3410 {
3411 print_file(file, indent, "if (__frame->_StubMsg.Buffer + sizeof(");
3412 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3413 fprintf(file, ") > __frame->_StubMsg.BufferEnd)\n");
3414 print_file(file, indent, "{\n");
3415 print_file(file, indent + 1, "RpcRaiseException(RPC_X_BAD_STUB_DATA);\n");
3416 print_file(file, indent, "}\n");
3417 print_file(file, indent, "%s%s%s",
3418 (pass == PASS_IN || pass == PASS_RETURN) ? "" : "*",
3419 local_var_prefix, varname);
3420 if (pass == PASS_IN && is_ptr(type))
3421 fprintf(file, " = (");
3422 else
3423 fprintf(file, " = *(");
3424 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3425 fprintf(file, " *)__frame->_StubMsg.Buffer;\n");
3426 }
3427
3428 print_file(file, indent, "__frame->_StubMsg.Buffer += sizeof(");
3429 write_type_decl(file, is_ptr(type) ? type_pointer_get_ref(type) : type, NULL);
3430 fprintf(file, ");\n");
3431 }
3432 }
3433
3434 /* returns whether the MaxCount, Offset or ActualCount members need to be
3435 * filled in for the specified phase */
3436 static inline int is_conformance_needed_for_phase(enum remoting_phase phase)
3437 {
3438 return (phase != PHASE_UNMARSHAL);
3439 }
3440
3441 expr_t *get_size_is_expr(const type_t *t, const char *name)
3442 {
3443 expr_t *x = NULL;
3444
3445 for ( ; is_array(t); t = type_array_get_element(t))
3446 if (type_array_has_conformance(t) &&
3447 type_array_get_conformance(t)->type != EXPR_VOID)
3448 {
3449 if (!x)
3450 x = type_array_get_conformance(t);
3451 else
3452 error("%s: multidimensional conformant"
3453 " arrays not supported at the top level\n",
3454 name);
3455 }
3456
3457 return x;
3458 }
3459
3460 static void write_parameter_conf_or_var_exprs(FILE *file, int indent, const char *local_var_prefix,
3461 enum remoting_phase phase, const var_t *var)
3462 {
3463 const type_t *type = var->type;
3464 /* get fundamental type for the argument */
3465 for (;;)
3466 {
3467 switch (typegen_detect_type(type, var->attrs, TDT_IGNORE_STRINGS|TDT_IGNORE_RANGES))
3468 {
3469 case TGT_ARRAY:
3470 if (is_conformance_needed_for_phase(phase))
3471 {
3472 if (type_array_has_conformance(type) &&
3473 type_array_get_conformance(type)->type != EXPR_VOID)
3474 {
3475 print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
3476 write_expr(file, type_array_get_conformance(type), 1, 1, NULL, NULL, local_var_prefix);
3477 fprintf(file, ";\n\n");
3478 }
3479 if (type_array_has_variance(type))
3480 {
3481 print_file(file, indent, "__frame->_StubMsg.Offset = 0;\n"); /* FIXME */
3482 print_file(file, indent, "__frame->_StubMsg.ActualCount = (ULONG_PTR)");
3483 write_expr(file, type_array_get_variance(type), 1, 1, NULL, NULL, local_var_prefix);
3484 fprintf(file, ";\n\n");
3485 }
3486 }
3487 break;
3488 case TGT_UNION:
3489 if (type_get_type(type) == TYPE_UNION &&
3490 is_conformance_needed_for_phase(phase))
3491 {
3492 print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)");
3493 write_expr(file, get_attrp(var->attrs, ATTR_SWITCHIS), 1, 1, NULL, NULL, local_var_prefix);
3494 fprintf(file, ";\n\n");
3495 }
3496 break;
3497 case TGT_IFACE_POINTER:
3498 {
3499 expr_t *iid;
3500
3501 if (is_conformance_needed_for_phase(phase) && (iid = get_attrp( var->attrs, ATTR_IIDIS )))
3502 {
3503 print_file( file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR) " );
3504 write_expr( file, iid, 1, 1, NULL, NULL, local_var_prefix );
3505 fprintf( file, ";\n\n" );
3506 }
3507 break;
3508 }
3509 case TGT_POINTER:
3510 type = type_pointer_get_ref(type);
3511 continue;
3512 case TGT_INVALID:
3513 case TGT_USER_TYPE:
3514 case TGT_CTXT_HANDLE:
3515 case TGT_CTXT_HANDLE_POINTER:
3516 case TGT_STRING:
3517 case TGT_BASIC:
3518 case TGT_ENUM:
3519 case TGT_STRUCT:
3520 case TGT_RANGE:
3521 break;
3522 }
3523 break;
3524 }
3525 }
3526
3527 static void write_remoting_arg(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
3528 enum pass pass, enum remoting_phase phase, const var_t *var)
3529 {
3530 int in_attr, out_attr, pointer_type;
3531 const type_t *type = var->type;
3532 unsigned int start_offset = type->typestring_offset;
3533
3534 if (is_ptr(type) || is_array(type))
3535 pointer_type = get_pointer_fc(type, var->attrs, pass != PASS_RETURN);
3536 else
3537 pointer_type = 0;
3538
3539 in_attr = is_attr(var->attrs, ATTR_IN);
3540 out_attr = is_attr(var->attrs, ATTR_OUT);
3541 if (!in_attr && !out_attr)
3542 in_attr = 1;
3543
3544 if (phase != PHASE_FREE)
3545 switch (pass)
3546 {
3547 case PASS_IN:
3548 if (!in_attr) return;
3549 break;
3550 case PASS_OUT:
3551 if (!out_attr) return;
3552 break;
3553 case PASS_RETURN:
3554 break;
3555 }
3556
3557 write_parameter_conf_or_var_exprs(file, indent, local_var_prefix, phase, var);
3558
3559 switch (typegen_detect_type(type, var->attrs, TDT_ALL_TYPES))
3560 {
3561 case TGT_CTXT_HANDLE:
3562 case TGT_CTXT_HANDLE_POINTER:
3563 if (phase == PHASE_MARSHAL)
3564 {
3565 if (pass == PASS_IN)
3566 {
3567 /* if the context_handle attribute appears in the chain of types
3568 * without pointers being followed, then the context handle must
3569 * be direct, otherwise it is a pointer */
3570 int is_ch_ptr = is_aliaschain_attr(type, ATTR_CONTEXTHANDLE) ? FALSE : TRUE;
3571 print_file(file, indent, "NdrClientContextMarshall(\n");
3572 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3573 print_file(file, indent + 1, "(NDR_CCONTEXT)%s%s%s,\n", is_ch_ptr ? "*" : "", local_var_prefix, var->name);
3574 print_file(file, indent + 1, "%s);\n", in_attr && out_attr ? "1" : "0");
3575 }
3576 else
3577 {
3578 print_file(file, indent, "NdrServerContextNewMarshall(\n");
3579 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3580 print_file(file, indent + 1, "(NDR_SCONTEXT)%s%s,\n", local_var_prefix, var->name);
3581 print_file(file, indent + 1, "(NDR_RUNDOWN)%s_rundown,\n", get_context_handle_type_name(var->type));
3582 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
3583 }
3584 }
3585 else if (phase == PHASE_UNMARSHAL)
3586 {
3587 if (pass == PASS_OUT)
3588 {
3589 if (!in_attr)
3590 print_file(file, indent, "*%s%s = 0;\n", local_var_prefix, var->name);
3591 print_file(file, indent, "NdrClientContextUnmarshall(\n");
3592 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3593 print_file(file, indent + 1, "(NDR_CCONTEXT *)%s%s,\n", local_var_prefix, var->name);
3594 print_file(file, indent + 1, "__frame->_Handle);\n");
3595 }
3596 else
3597 {
3598 print_file(file, indent, "%s%s = NdrServerContextNewUnmarshall(\n", local_var_prefix, var->name);
3599 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
3600 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset);
3601 }
3602 }
3603 break;
3604 case TGT_USER_TYPE:
3605 print_phase_function(file, indent, "UserMarshal", local_var_prefix, phase, var, start_offset);
3606 break;
3607 case TGT_STRING:
3608 if (phase == PHASE_FREE || pass == PASS_RETURN ||
3609 pointer_type != RPC_FC_RP)
3610 {
3611 if (pointer_type == RPC_FC_RP && phase == PHASE_FREE &&
3612 !in_attr && is_conformant_array(type))
3613 {
3614 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3615 indent++;
3616 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3617 }
3618 /* strings returned are assumed to be global and hence don't
3619 * need freeing */
3620 else if (is_declptr(type) &&
3621 !(phase == PHASE_FREE && pass == PASS_RETURN))
3622 print_phase_function(file, indent, "Pointer", local_var_prefix,
3623 phase, var, start_offset);
3624 }
3625 else
3626 {
3627 unsigned int real_start_offset = start_offset;
3628 /* skip over pointer description straight to string description */
3629 if (is_declptr(type))
3630 {
3631 if (is_conformant_array(type))
3632 real_start_offset += 4;
3633 else
3634 real_start_offset += 2;
3635 }
3636 if (is_array(type) && !is_conformant_array(type))
3637 print_phase_function(file, indent, "NonConformantString",
3638 local_var_prefix, phase, var,
3639 real_start_offset);
3640 else
3641 print_phase_function(file, indent, "ConformantString", local_var_prefix,
3642 phase, var, real_start_offset);
3643 }
3644 break;
3645 case TGT_ARRAY:
3646 {
3647 unsigned char tc = get_array_fc(type);
3648 const char *array_type = NULL;
3649
3650 /* We already have the size_is expression since it's at the
3651 top level, but do checks for multidimensional conformant
3652 arrays. When we handle them, we'll need to extend this
3653 function to return a list, and then we'll actually use
3654 the return value. */
3655 get_size_is_expr(type, var->name);
3656
3657 switch (tc)
3658 {
3659 case RPC_FC_SMFARRAY:
3660 case RPC_FC_LGFARRAY:
3661 array_type = "FixedArray";
3662 break;
3663 case RPC_FC_SMVARRAY:
3664 case RPC_FC_LGVARRAY:
3665 array_type = "VaryingArray";
3666 break;
3667 case RPC_FC_CARRAY:
3668 array_type = "ConformantArray";
3669 break;
3670 case RPC_FC_CVARRAY:
3671 array_type = "ConformantVaryingArray";
3672 break;
3673 case RPC_FC_BOGUS_ARRAY:
3674 array_type = "ComplexArray";
3675 break;
3676 }
3677
3678 if (pointer_type != RPC_FC_RP) array_type = "Pointer";
3679 print_phase_function(file, indent, array_type, local_var_prefix, phase, var, start_offset);
3680 if (phase == PHASE_FREE && pointer_type == RPC_FC_RP)
3681 {
3682 /* these are all unmarshalled by allocating memory */
3683 if (tc == RPC_FC_BOGUS_ARRAY ||
3684 tc == RPC_FC_CVARRAY ||
3685 ((tc == RPC_FC_SMVARRAY || tc == RPC_FC_LGVARRAY) && in_attr) ||
3686 (tc == RPC_FC_CARRAY && !in_attr))
3687 {
3688 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3689 indent++;
3690 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3691 }
3692 }
3693 break;
3694 }
3695 case TGT_BASIC:
3696 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3697 break;
3698 case TGT_ENUM:
3699 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3700 break;
3701 case TGT_RANGE:
3702 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3703 /* Note: this goes beyond what MIDL does - it only supports arguments
3704 * with the [range] attribute in Oicf mode */
3705 if (phase == PHASE_UNMARSHAL)
3706 {
3707 const expr_t *range_min;
3708 const expr_t *range_max;
3709 expr_list_t *range_list = get_attrp(var->attrs, ATTR_RANGE);
3710 if (!range_list)
3711 range_list = get_aliaschain_attrp(type, ATTR_RANGE);
3712 range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry);
3713 range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
3714
3715 print_file(file, indent, "if ((%s%s < (", local_var_prefix, var->name);
3716 write_type_decl(file, var->type, NULL);
3717 fprintf(file, ")0x%x) || (%s%s > (", range_min->cval, local_var_prefix, var->name);
3718 write_type_decl(file, var->type, NULL);
3719 fprintf(file, ")0x%x))\n", range_max->cval);
3720 print_file(file, indent, "{\n");
3721 print_file(file, indent+1, "RpcRaiseException(RPC_S_INVALID_BOUND);\n");
3722 print_file(file, indent, "}\n");
3723 }
3724 break;
3725 case TGT_STRUCT:
3726 switch (get_struct_fc(type))
3727 {
3728 case RPC_FC_STRUCT:
3729 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3730 print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
3731 break;
3732 case RPC_FC_PSTRUCT:
3733 print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset);
3734 break;
3735 case RPC_FC_CSTRUCT:
3736 case RPC_FC_CPSTRUCT:
3737 print_phase_function(file, indent, "ConformantStruct", local_var_prefix, phase, var, start_offset);
3738 break;
3739 case RPC_FC_CVSTRUCT:
3740 print_phase_function(file, indent, "ConformantVaryingStruct", local_var_prefix, phase, var, start_offset);
3741 break;
3742 case RPC_FC_BOGUS_STRUCT:
3743 print_phase_function(file, indent, "ComplexStruct", local_var_prefix, phase, var, start_offset);
3744 break;
3745 default:
3746 error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(type));
3747 }
3748 break;
3749 case TGT_UNION:
3750 {
3751 const char *union_type = NULL;
3752
3753 if (type_get_type(type) == TYPE_UNION)
3754 union_type = "NonEncapsulatedUnion";
3755 else if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
3756 union_type = "EncapsulatedUnion";
3757
3758 print_phase_function(file, indent, union_type, local_var_prefix,
3759 phase, var, start_offset);
3760 break;
3761 }
3762 case TGT_POINTER:
3763 {
3764 const type_t *ref = type_pointer_get_ref(type);
3765 if (pointer_type == RPC_FC_RP) switch (typegen_detect_type(ref, NULL, TDT_ALL_TYPES))
3766 {
3767 case TGT_BASIC:
3768 print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name);
3769 break;
3770 case TGT_ENUM:
3771 /* base types have known sizes, so don't need a sizing pass
3772 * and don't have any memory to free and so don't need a
3773 * freeing pass */
3774 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3775 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3776 break;
3777 case TGT_STRUCT:
3778 {
3779 const char *struct_type = NULL;
3780 switch (get_struct_fc(ref))
3781 {
3782 case RPC_FC_STRUCT:
3783 /* simple structs have known sizes, so don't need a sizing
3784 * pass and don't have any memory to free and so don't
3785 * need a freeing pass */
3786 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
3787 struct_type = "SimpleStruct";
3788 else if (phase == PHASE_FREE && pass == PASS_RETURN)
3789 {
3790 print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name);
3791 indent++;
3792 print_file(file, indent, "__frame->_StubMsg.pfnFree(%s%s);\n", local_var_prefix, var->name);
3793 indent--;
3794 }
3795 break;
3796 case RPC_FC_PSTRUCT:
3797 struct_type = "SimpleStruct";
3798 break;
3799 case RPC_FC_CSTRUCT:
3800 case RPC_FC_CPSTRUCT:
3801 struct_type = "ConformantStruct";
3802 break;
3803 case RPC_FC_CVSTRUCT:
3804 struct_type = "ConformantVaryingStruct";
3805 break;
3806 case RPC_FC_BOGUS_STRUCT:
3807 struct_type = "ComplexStruct";
3808 break;
3809 default:
3810 error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(ref));
3811 }
3812
3813 if (struct_type)
3814 {
3815 if (phase == PHASE_FREE)
3816 struct_type = "Pointer";
3817 else
3818 start_offset = ref->typestring_offset;
3819 print_phase_function(file, indent, struct_type, local_var_prefix, phase, var, start_offset);
3820 }
3821 break;
3822 }
3823 case TGT_UNION:
3824 {
3825 const char *union_type = NULL;
3826 if (phase == PHASE_FREE)
3827 union_type = "Pointer";
3828 else
3829 {
3830 if (type_get_type(ref) == TYPE_UNION)
3831 union_type = "NonEncapsulatedUnion";
3832 else if (type_get_type(ref) == TYPE_ENCAPSULATED_UNION)
3833 union_type = "EncapsulatedUnion";
3834
3835 start_offset = ref->typestring_offset;
3836 }
3837
3838 print_phase_function(file, indent, union_type, local_var_prefix,
3839 phase, var, start_offset);
3840 break;
3841 }
3842 case TGT_STRING:
3843 case TGT_POINTER:
3844 case TGT_ARRAY:
3845 case TGT_RANGE:
3846 case TGT_IFACE_POINTER:
3847 case TGT_USER_TYPE:
3848 case TGT_CTXT_HANDLE:
3849 case TGT_CTXT_HANDLE_POINTER:
3850 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3851 break;
3852 case TGT_INVALID:
3853 assert(0);
3854 break;
3855 }
3856 else
3857 print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset);
3858 break;
3859 }
3860 case TGT_IFACE_POINTER:
3861 print_phase_function(file, indent, "InterfacePointer", local_var_prefix, phase, var, start_offset);
3862 break;
3863 case TGT_INVALID:
3864 assert(0);
3865 break;
3866 }
3867 fprintf(file, "\n");
3868 }
3869
3870 void write_remoting_arguments(FILE *file, int indent, const var_t *func, const char *local_var_prefix,
3871 enum pass pass, enum remoting_phase phase)
3872 {
3873 if (phase == PHASE_BUFFERSIZE && pass != PASS_RETURN)
3874 {
3875 unsigned int size = get_function_buffer_size( func, pass );
3876 print_file(file, indent, "__frame->_StubMsg.BufferLength = %u;\n", size);
3877 }
3878
3879 if (pass == PASS_RETURN)
3880 {
3881 var_t var;
3882 var = *func;
3883 var.type = type_function_get_rettype(func->type);
3884 var.name = xstrdup( "_RetVal" );
3885 write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, &var );
3886 free( var.name );
3887 }
3888 else
3889 {
3890 const var_t *var;
3891 if (!type_get_function_args(func->type))
3892 return;
3893 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3894 write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, var );
3895 }
3896 }
3897
3898
3899 unsigned int get_size_procformatstring_func(const var_t *func)
3900 {
3901 unsigned int offset = 0;
3902 write_procformatstring_func( NULL, 0, func, &offset );
3903 return offset;
3904 }
3905
3906 unsigned int get_size_procformatstring(const statement_list_t *stmts, type_pred_t pred)
3907 {
3908 const statement_t *stmt;
3909 unsigned int size = 1;
3910
3911 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
3912 {
3913 const type_t *iface;
3914 const statement_t *stmt_func;
3915
3916 if (stmt->type == STMT_LIBRARY)
3917 {
3918 size += get_size_procformatstring(stmt->u.lib->stmts, pred) - 1;
3919 continue;
3920 }
3921 else if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
3922 continue;
3923
3924 iface = stmt->u.type;
3925 if (!pred(iface))
3926 continue;
3927
3928 STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(iface) )
3929 {
3930 const var_t *func = stmt_func->u.var;
3931 if (!is_local(func->attrs))
3932 size += get_size_procformatstring_func( func );
3933 }
3934 }
3935 return size;
3936 }
3937
3938 unsigned int get_size_typeformatstring(const statement_list_t *stmts, type_pred_t pred)
3939 {
3940 set_all_tfswrite(FALSE);
3941 return process_tfs(NULL, stmts, pred);
3942 }
3943
3944 void declare_stub_args( FILE *file, int indent, const var_t *func )
3945 {
3946 int in_attr, out_attr;
3947 int i = 0;
3948 const var_t *var;
3949
3950 /* declare return value '_RetVal' */
3951 if (!is_void(type_function_get_rettype(func->type)))
3952 {
3953 print_file(file, indent, "%s", "");
3954 write_type_decl_left(file, type_function_get_rettype(func->type));
3955 fprintf(file, " _RetVal;\n");
3956 }
3957
3958 if (!type_get_function_args(func->type))
3959 return;
3960
3961 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
3962 {
3963 in_attr = is_attr(var->attrs, ATTR_IN);
3964 out_attr = is_attr(var->attrs, ATTR_OUT);
3965 if (!out_attr && !in_attr)
3966 in_attr = 1;
3967
3968 if (is_context_handle(var->type))
3969 print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name);
3970 else
3971 {
3972 if (!in_attr && !is_conformant_array(var->type))
3973 {
3974 type_t *type_to_print;
3975 char name[16];
3976 print_file(file, indent, "%s", "");
3977 if (type_get_type(var->type) == TYPE_ARRAY &&
3978 !type_array_is_decl_as_ptr(var->type))
3979 type_to_print = var->type;
3980 else
3981 type_to_print = type_pointer_get_ref(var->type);
3982 sprintf(name, "_W%u", i++);
3983 write_type_decl(file, type_to_print, name);
3984 fprintf(file, ";\n");
3985 }
3986
3987 print_file(file, indent, "%s", "");
3988 write_type_decl_left(file, var->type);
3989 fprintf(file, " ");
3990 if (type_get_type(var->type) == TYPE_ARRAY &&
3991 !type_array_is_decl_as_ptr(var->type)) {
3992 fprintf(file, "(*%s)", var->name);
3993 } else
3994 fprintf(file, "%s", var->name);
3995 write_type_right(file, var->type, FALSE);
3996 fprintf(file, ";\n");
3997
3998 if (decl_indirect(var->type))
3999 print_file(file, indent, "void *_p_%s;\n", var->name);
4000 }
4001 }
4002 }
4003
4004
4005 void assign_stub_out_args( FILE *file, int indent, const var_t *func, const char *local_var_prefix )
4006 {
4007 int in_attr, out_attr;
4008 int i = 0, sep = 0;
4009 const var_t *var;
4010
4011 if (!type_get_function_args(func->type))
4012 return;
4013
4014 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
4015 {
4016 in_attr = is_attr(var->attrs, ATTR_IN);
4017 out_attr = is_attr(var->attrs, ATTR_OUT);
4018 if (!out_attr && !in_attr)
4019 in_attr = 1;
4020
4021 if (!in_attr)
4022 {
4023 print_file(file, indent, "%s%s", local_var_prefix, var->name);
4024
4025 switch (typegen_detect_type(var->type, var->attrs, TDT_IGNORE_STRINGS))
4026 {
4027 case TGT_CTXT_HANDLE_POINTER:
4028 fprintf(file, " = NdrContextHandleInitialize(\n");
4029 print_file(file, indent + 1, "&__frame->_StubMsg,\n");
4030 print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n",
4031 var->type->typestring_offset);
4032 break;
4033 case TGT_ARRAY:
4034 if (type_array_has_conformance(var->type))
4035 {
4036 unsigned int size;
4037 type_t *type;
4038
4039 fprintf(file, " = NdrAllocate(&__frame->_StubMsg, ");
4040 for (type = var->type;
4041 is_array(type) && type_array_has_conformance(type);
4042 type = type_array_get_element(type))
4043 {
4044 write_expr(file, type_array_get_conformance(type), TRUE,
4045 TRUE, NULL, NULL, local_var_prefix);
4046 fprintf(file, " * ");
4047 }
4048 size = type_memsize(type);
4049 fprintf(file, "%u);\n", size);
4050
4051 print_file(file, indent, "memset(%s%s, 0, ", local_var_prefix, var->name);
4052 for (type = var->type;
4053 is_array(type) && type_array_has_conformance(type);
4054 type = type_array_get_element(type))
4055 {
4056 write_expr(file, type_array_get_conformance(type), TRUE,
4057 TRUE, NULL, NULL, local_var_prefix);
4058 fprintf(file, " * ");
4059 }
4060 size = type_memsize(type);
4061 fprintf(file, "%u);\n", size);
4062 }
4063 else
4064 fprintf(file, " = &%s_W%u;\n", local_var_prefix, i++);
4065 break;
4066 case TGT_POINTER:
4067 fprintf(file, " = &%s_W%u;\n", local_var_prefix, i);
4068 switch (typegen_detect_type(type_pointer_get_ref(var->type), var->attrs, TDT_IGNORE_STRINGS))
4069 {
4070 case TGT_BASIC:
4071 case TGT_ENUM:
4072 case TGT_POINTER:
4073 case TGT_RANGE:
4074 case TGT_IFACE_POINTER:
4075 print_file(file, indent, "%s_W%u = 0;\n", local_var_prefix, i);
4076 break;
4077 case TGT_USER_TYPE:
4078 print_file(file, indent, "memset(&%s_W%u, 0, sizeof(%s_W%u));\n",
4079 local_var_prefix, i, local_var_prefix, i);
4080 break;
4081 case TGT_STRUCT:
4082 case TGT_UNION:
4083 case TGT_ARRAY:
4084 case TGT_CTXT_HANDLE:
4085 case TGT_CTXT_HANDLE_POINTER:
4086 case TGT_INVALID:
4087 case TGT_STRING:
4088 /* not initialised */
4089 break;
4090 }
4091 i++;
4092 break;
4093 default:
4094 break;
4095 }
4096
4097 sep = 1;
4098 }
4099 }
4100 if (sep)
4101 fprintf(file, "\n");
4102 }
4103
4104
4105 int write_expr_eval_routines(FILE *file, const char *iface)
4106 {
4107 static const char *var_name = "pS";
4108 static const char *var_name_expr = "pS->";
4109 int result = 0;
4110 struct expr_eval_routine *eval;
4111 unsigned short callback_offset = 0;
4112
4113 LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
4114 {
4115 const char *name = eval->structure->name;
4116 result = 1;
4117
4118 print_file(file, 0, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n",
4119 iface, name, callback_offset);
4120 print_file(file, 0, "{\n");
4121 print_file(file, 1, "%s", "");
4122 write_type_left(file, (type_t *)eval->structure, TRUE);
4123 fprintf(file, " *%s = (", var_name);
4124 write_type_left(file, (type_t *)eval->structure, TRUE);
4125 fprintf(file, " *)(pStubMsg->StackTop - %u);\n", eval->baseoff);
4126 print_file(file, 1, "pStubMsg->Offset = 0;\n"); /* FIXME */
4127 print_file(file, 1, "pStubMsg->MaxCount = (ULONG_PTR)");
4128 write_expr(file, eval->expr, 1, 1, var_name_expr, eval->structure, "");
4129 fprintf(file, ";\n");
4130 print_file(file, 0, "}\n\n");
4131 callback_offset++;
4132 }
4133 return result;
4134 }
4135
4136 void write_expr_eval_routine_list(FILE *file, const char *iface)
4137 {
4138 struct expr_eval_routine *eval;
4139 struct expr_eval_routine *cursor;
4140 unsigned short callback_offset = 0;
4141
4142 fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n");
4143 fprintf(file, "{\n");
4144
4145 LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry)
4146 {
4147 const char *name = eval->structure->name;
4148 print_file(file, 1, "%s_%sExprEval_%04u,\n", iface, name, callback_offset);
4149 callback_offset++;
4150 list_remove(&eval->entry);
4151 free(eval);
4152 }
4153
4154 fprintf(file, "};\n\n");
4155 }
4156
4157 void write_user_quad_list(FILE *file)
4158 {
4159 user_type_t *ut;
4160
4161 if (list_empty(&user_type_list))
4162 return;
4163
4164 fprintf(file, "static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[] =\n");
4165 fprintf(file, "{\n");
4166 LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
4167 {
4168 const char *sep = &ut->entry == list_tail(&user_type_list) ? "" : ",";
4169 print_file(file, 1, "{\n");
4170 print_file(file, 2, "(USER_MARSHAL_SIZING_ROUTINE)%s_UserSize,\n", ut->name);
4171 print_file(file, 2, "(USER_MARSHAL_MARSHALLING_ROUTINE)%s_UserMarshal,\n", ut->name);
4172 print_file(file, 2, "(USER_MARSHAL_UNMARSHALLING_ROUTINE)%s_UserUnmarshal,\n", ut->name);
4173 print_file(file, 2, "(USER_MARSHAL_FREEING_ROUTINE)%s_UserFree\n", ut->name);
4174 print_file(file, 1, "}%s\n", sep);
4175 }
4176 fprintf(file, "};\n\n");
4177 }
4178
4179 void write_endpoints( FILE *f, const char *prefix, const str_list_t *list )
4180 {
4181 const struct str_list_entry_t *endpoint;
4182 const char *p;
4183
4184 /* this should be an array of RPC_PROTSEQ_ENDPOINT but we want const strings */
4185 print_file( f, 0, "static const unsigned char * const %s__RpcProtseqEndpoint[][2] =\n{\n", prefix );
4186 LIST_FOR_EACH_ENTRY( endpoint, list, const struct str_list_entry_t, entry )
4187 {
4188 print_file( f, 1, "{ (const unsigned char *)\"" );
4189 for (p = endpoint->str; *p && *p != ':'; p++)
4190 {
4191 if (*p == '"' || *p == '\\') fputc( '\\', f );
4192 fputc( *p, f );
4193 }
4194 if (!*p) goto error;
4195 if (p[1] != '[') goto error;
4196
4197 fprintf( f, "\", (const unsigned char *)\"" );
4198 for (p += 2; *p && *p != ']'; p++)
4199 {
4200 if (*p == '"' || *p == '\\') fputc( '\\', f );
4201 fputc( *p, f );
4202 }
4203 if (*p != ']') goto error;
4204 fprintf( f, "\" },\n" );
4205 }
4206 print_file( f, 0, "};\n\n" );
4207 return;
4208
4209 error:
4210 error("Invalid endpoint syntax '%s'\n", endpoint->str);
4211 }
4212
4213 void write_exceptions( FILE *file )
4214 {
4215 fprintf( file, "#ifndef USE_COMPILER_EXCEPTIONS\n");
4216 fprintf( file, "\n");
4217 fprintf( file, "#include \"wine/exception.h\"\n");
4218 fprintf( file, "#undef RpcTryExcept\n");
4219 fprintf( file, "#undef RpcExcept\n");
4220 fprintf( file, "#undef RpcEndExcept\n");
4221 fprintf( file, "#undef RpcTryFinally\n");
4222 fprintf( file, "#undef RpcFinally\n");
4223 fprintf( file, "#undef RpcEndFinally\n");
4224 fprintf( file, "#undef RpcExceptionCode\n");
4225 fprintf( file, "#undef RpcAbnormalTermination\n");
4226 fprintf( file, "\n");
4227 fprintf( file, "struct __exception_frame;\n");
4228 fprintf( file, "typedef int (*__filter_func)(struct __exception_frame *);\n");
4229 fprintf( file, "typedef void (*__finally_func)(struct __exception_frame *);\n");
4230 fprintf( file, "\n");
4231 fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
4232 fprintf( file, " EXCEPTION_REGISTRATION_RECORD frame; \\\n");
4233 fprintf( file, " __filter_func filter; \\\n");
4234 fprintf( file, " __finally_func finally; \\\n");
4235 fprintf( file, " sigjmp_buf jmp; \\\n");
4236 fprintf( file, " DWORD code; \\\n");
4237 fprintf( file, " unsigned char abnormal_termination; \\\n");
4238 fprintf( file, " unsigned char filter_level; \\\n");
4239 fprintf( file, " unsigned char finally_level;\n");
4240 fprintf( file, "\n");
4241 fprintf( file, "struct __exception_frame\n{\n");
4242 fprintf( file, " __DECL_EXCEPTION_FRAME\n");
4243 fprintf( file, "};\n");
4244 fprintf( file, "\n");
4245 fprintf( file, "static inline void __widl_unwind_target(void)\n" );
4246 fprintf( file, "{\n");
4247 fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)__wine_get_frame();\n" );
4248 fprintf( file, " if (exc_frame->finally_level > exc_frame->filter_level)\n" );
4249 fprintf( file, " {\n");
4250 fprintf( file, " exc_frame->abnormal_termination = 1;\n");
4251 fprintf( file, " exc_frame->finally( exc_frame );\n");
4252 fprintf( file, " __wine_pop_frame( &exc_frame->frame );\n");
4253 fprintf( file, " }\n");
4254 fprintf( file, " exc_frame->filter_level = 0;\n");
4255 fprintf( file, " siglongjmp( exc_frame->jmp, 1 );\n");
4256 fprintf( file, "}\n");
4257 fprintf( file, "\n");
4258 fprintf( file, "static DWORD __widl_exception_handler( EXCEPTION_RECORD *record,\n");
4259 fprintf( file, " EXCEPTION_REGISTRATION_RECORD *frame,\n");
4260 fprintf( file, " CONTEXT *context,\n");
4261 fprintf( file, " EXCEPTION_REGISTRATION_RECORD **pdispatcher )\n");
4262 fprintf( file, "{\n");
4263 fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)frame;\n");
4264 fprintf( file, "\n");
4265 fprintf( file, " if (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND | EH_NESTED_CALL))\n");
4266 fprintf( file, " {\n" );
4267 fprintf( file, " if (exc_frame->finally_level && (record->ExceptionFlags & (EH_UNWINDING | EH_EXIT_UNWIND)))\n");
4268 fprintf( file, " {\n" );
4269 fprintf( file, " exc_frame->abnormal_termination = 1;\n");
4270 fprintf( file, " exc_frame->finally( exc_frame );\n");
4271 fprintf( file, " }\n" );
4272 fprintf( file, " return ExceptionContinueSearch;\n");
4273 fprintf( file, " }\n" );
4274 fprintf( file, " exc_frame->code = record->ExceptionCode;\n");
4275 fprintf( file, " if (exc_frame->filter_level && exc_frame->filter( exc_frame ) == EXCEPTION_EXECUTE_HANDLER)\n" );
4276 fprintf( file, " __wine_rtl_unwind( frame, record, __widl_unwind_target );\n");
4277 fprintf( file, " return ExceptionContinueSearch;\n");
4278 fprintf( file, "}\n");
4279 fprintf( file, "\n");
4280 fprintf( file, "#define RpcTryExcept \\\n");
4281 fprintf( file, " if (!sigsetjmp( __frame->jmp, 0 )) \\\n");
4282 fprintf( file, " { \\\n");
4283 fprintf( file, " if (!__frame->finally_level) \\\n" );
4284 fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
4285 fprintf( file, " __frame->filter_level = __frame->finally_level + 1;\n" );
4286 fprintf( file, "\n");
4287 fprintf( file, "#define RpcExcept(expr) \\\n");
4288 fprintf( file, " if (!__frame->finally_level) \\\n" );
4289 fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
4290 fprintf( file, " __frame->filter_level = 0; \\\n" );
4291 fprintf( file, " } \\\n");
4292 fprintf( file, " else \\\n");
4293 fprintf( file, "\n");
4294 fprintf( file, "#define RpcEndExcept\n");
4295 fprintf( file, "\n");
4296 fprintf( file, "#define RpcExceptionCode() (__frame->code)\n");
4297 fprintf( file, "\n");
4298 fprintf( file, "#define RpcTryFinally \\\n");
4299 fprintf( file, " if (!__frame->filter_level) \\\n");
4300 fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n");
4301 fprintf( file, " __frame->finally_level = __frame->filter_level + 1;\n");
4302 fprintf( file, "\n");
4303 fprintf( file, "#define RpcFinally \\\n");
4304 fprintf( file, " if (!__frame->filter_level) \\\n");
4305 fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n");
4306 fprintf( file, " __frame->finally_level = 0;\n");
4307 fprintf( file, "\n");
4308 fprintf( file, "#define RpcEndFinally\n");
4309 fprintf( file, "\n");
4310 fprintf( file, "#define RpcAbnormalTermination() (__frame->abnormal_termination)\n");
4311 fprintf( file, "\n");
4312 fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
4313 fprintf( file, " do { \\\n");
4314 fprintf( file, " __frame->frame.Handler = __widl_exception_handler; \\\n");
4315 fprintf( file, " __frame->filter = (__filter_func)(filter_func); \\\n" );
4316 fprintf( file, " __frame->finally = (__finally_func)(finally_func); \\\n");
4317 fprintf( file, " __frame->abnormal_termination = 0; \\\n");
4318 fprintf( file, " __frame->filter_level = 0; \\\n");
4319 fprintf( file, " __frame->finally_level = 0; \\\n");
4320 fprintf( file, " } while (0)\n");
4321 fprintf( file, "\n");
4322 fprintf( file, "#else /* USE_COMPILER_EXCEPTIONS */\n");
4323 fprintf( file, "\n");
4324 fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n");
4325 fprintf( file, " do { (void)(filter_func); } while(0)\n");
4326 fprintf( file, "\n");
4327 fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n");
4328 fprintf( file, " DWORD code;\n");
4329 fprintf( file, "\n");
4330 fprintf( file, "#endif /* USE_COMPILER_EXCEPTIONS */\n");
4331 }
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