ReactOS 0.4.15-dev-5666-gc548b97
typegen.c
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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
49static const type_t *current_structure;
50static const var_t *current_func;
51static const type_t *current_iface;
52
53static struct list expr_eval_routines = LIST_INIT(expr_eval_routines);
54struct expr_eval_routine
55{
56 struct list entry;
57 const type_t *iface;
58 const type_t *cont_type;
59 char *name;
60 unsigned int baseoff;
61 const expr_t *expr;
62};
63
64enum type_context
65{
66 TYPE_CONTEXT_TOPLEVELPARAM,
67 TYPE_CONTEXT_PARAM,
68 TYPE_CONTEXT_CONTAINER,
69 TYPE_CONTEXT_CONTAINER_NO_POINTERS,
70};
71
72/* parameter flags in Oif mode */
73static const unsigned short MustSize = 0x0001;
74static const unsigned short MustFree = 0x0002;
75static const unsigned short IsPipe = 0x0004;
76static const unsigned short IsIn = 0x0008;
77static const unsigned short IsOut = 0x0010;
78static const unsigned short IsReturn = 0x0020;
79static const unsigned short IsBasetype = 0x0040;
80static const unsigned short IsByValue = 0x0080;
81static const unsigned short IsSimpleRef = 0x0100;
82/* static const unsigned short IsDontCallFreeInst = 0x0200; */
83/* static const unsigned short SaveForAsyncFinish = 0x0400; */
84
85static unsigned int field_memsize(const type_t *type, unsigned int *offset);
86static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align);
87static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
88 const char *name, unsigned int *typestring_offset);
89static unsigned int write_struct_tfs(FILE *file, type_t *type, const char *name, unsigned int *tfsoff);
90static int write_embedded_types(FILE *file, const attr_list_t *attrs, type_t *type,
91 const char *name, int write_ptr, unsigned int *tfsoff);
92static const var_t *find_array_or_string_in_struct(const type_t *type);
93static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
94 type_t *type, enum type_context context,
95 const char *name, unsigned int *typestring_offset);
96static unsigned int get_required_buffer_size_type( const type_t *type, const char *name,
97 const attr_list_t *attrs, int toplevel_param,
98 unsigned int *alignment );
99static unsigned int get_function_buffer_size( const var_t *func, enum pass pass );
100
101static const char *string_of_type(unsigned char type)
102{
103 switch (type)
104 {
105 case FC_BYTE: return "FC_BYTE";
106 case FC_CHAR: return "FC_CHAR";
107 case FC_SMALL: return "FC_SMALL";
108 case FC_USMALL: return "FC_USMALL";
109 case FC_WCHAR: return "FC_WCHAR";
110 case FC_SHORT: return "FC_SHORT";
111 case FC_USHORT: return "FC_USHORT";
112 case FC_LONG: return "FC_LONG";
113 case FC_ULONG: return "FC_ULONG";
114 case FC_FLOAT: return "FC_FLOAT";
115 case FC_HYPER: return "FC_HYPER";
116 case FC_DOUBLE: return "FC_DOUBLE";
117 case FC_ENUM16: return "FC_ENUM16";
118 case FC_ENUM32: return "FC_ENUM32";
119 case FC_IGNORE: return "FC_IGNORE";
120 case FC_ERROR_STATUS_T: return "FC_ERROR_STATUS_T";
121 case FC_RP: return "FC_RP";
122 case FC_UP: return "FC_UP";
123 case FC_OP: return "FC_OP";
124 case FC_FP: return "FC_FP";
125 case FC_ENCAPSULATED_UNION: return "FC_ENCAPSULATED_UNION";
126 case FC_NON_ENCAPSULATED_UNION: return "FC_NON_ENCAPSULATED_UNION";
127 case FC_STRUCT: return "FC_STRUCT";
128 case FC_PSTRUCT: return "FC_PSTRUCT";
129 case FC_CSTRUCT: return "FC_CSTRUCT";
130 case FC_CPSTRUCT: return "FC_CPSTRUCT";
131 case FC_CVSTRUCT: return "FC_CVSTRUCT";
132 case FC_BOGUS_STRUCT: return "FC_BOGUS_STRUCT";
133 case FC_SMFARRAY: return "FC_SMFARRAY";
134 case FC_LGFARRAY: return "FC_LGFARRAY";
135 case FC_SMVARRAY: return "FC_SMVARRAY";
136 case FC_LGVARRAY: return "FC_LGVARRAY";
137 case FC_CARRAY: return "FC_CARRAY";
138 case FC_CVARRAY: return "FC_CVARRAY";
139 case FC_BOGUS_ARRAY: return "FC_BOGUS_ARRAY";
140 case FC_ALIGNM2: return "FC_ALIGNM2";
141 case FC_ALIGNM4: return "FC_ALIGNM4";
142 case FC_ALIGNM8: return "FC_ALIGNM8";
143 case FC_POINTER: return "FC_POINTER";
144 case FC_C_CSTRING: return "FC_C_CSTRING";
145 case FC_C_WSTRING: return "FC_C_WSTRING";
146 case FC_CSTRING: return "FC_CSTRING";
147 case FC_WSTRING: return "FC_WSTRING";
148 case FC_BYTE_COUNT_POINTER: return "FC_BYTE_COUNT_POINTER";
149 case FC_TRANSMIT_AS: return "FC_TRANSMIT_AS";
150 case FC_REPRESENT_AS: return "FC_REPRESENT_AS";
151 case FC_IP: return "FC_IP";
152 case FC_BIND_CONTEXT: return "FC_BIND_CONTEXT";
153 case FC_BIND_GENERIC: return "FC_BIND_GENERIC";
154 case FC_BIND_PRIMITIVE: return "FC_BIND_PRIMITIVE";
155 case FC_AUTO_HANDLE: return "FC_AUTO_HANDLE";
156 case FC_CALLBACK_HANDLE: return "FC_CALLBACK_HANDLE";
157 case FC_STRUCTPAD1: return "FC_STRUCTPAD1";
158 case FC_STRUCTPAD2: return "FC_STRUCTPAD2";
159 case FC_STRUCTPAD3: return "FC_STRUCTPAD3";
160 case FC_STRUCTPAD4: return "FC_STRUCTPAD4";
161 case FC_STRUCTPAD5: return "FC_STRUCTPAD5";
162 case FC_STRUCTPAD6: return "FC_STRUCTPAD6";
163 case FC_STRUCTPAD7: return "FC_STRUCTPAD7";
164 case FC_STRING_SIZED: return "FC_STRING_SIZED";
165 case FC_NO_REPEAT: return "FC_NO_REPEAT";
166 case FC_FIXED_REPEAT: return "FC_FIXED_REPEAT";
167 case FC_VARIABLE_REPEAT: return "FC_VARIABLE_REPEAT";
168 case FC_FIXED_OFFSET: return "FC_FIXED_OFFSET";
169 case FC_VARIABLE_OFFSET: return "FC_VARIABLE_OFFSET";
170 case FC_PP: return "FC_PP";
171 case FC_EMBEDDED_COMPLEX: return "FC_EMBEDDED_COMPLEX";
172 case FC_DEREFERENCE: return "FC_DEREFERENCE";
173 case FC_DIV_2: return "FC_DIV_2";
174 case FC_MULT_2: return "FC_MULT_2";
175 case FC_ADD_1: return "FC_ADD_1";
176 case FC_SUB_1: return "FC_SUB_1";
177 case FC_CALLBACK: return "FC_CALLBACK";
178 case FC_CONSTANT_IID: return "FC_CONSTANT_IID";
179 case FC_END: return "FC_END";
180 case FC_PAD: return "FC_PAD";
181 case FC_USER_MARSHAL: return "FC_USER_MARSHAL";
182 case FC_RANGE: return "FC_RANGE";
183 case FC_INT3264: return "FC_INT3264";
184 case FC_UINT3264: return "FC_UINT3264";
185 default:
186 error("string_of_type: unknown type 0x%02x\n", type);
187 return NULL;
188 }
189}
190
191static void *get_aliaschain_attrp(const type_t *type, enum attr_type attr)
192{
193 const type_t *t = type;
194 for (;;)
195 {
196 if (is_attr(t->attrs, attr))
197 return get_attrp(t->attrs, attr);
198 else if (type_is_alias(t))
199 t = type_alias_get_aliasee(t);
200 else return NULL;
201 }
202}
203
204unsigned char get_basic_fc(const type_t *type)
205{
206 int sign = type_basic_get_sign(type);
207 switch (type_basic_get_type(type))
208 {
209 case TYPE_BASIC_INT8: return (sign <= 0 ? FC_SMALL : FC_USMALL);
210 case TYPE_BASIC_INT16: return (sign <= 0 ? FC_SHORT : FC_USHORT);
211 case TYPE_BASIC_INT32:
212 case TYPE_BASIC_LONG: return (sign <= 0 ? FC_LONG : FC_ULONG);
213 case TYPE_BASIC_INT64: return FC_HYPER;
214 case TYPE_BASIC_INT: return (sign <= 0 ? FC_LONG : FC_ULONG);
215 case TYPE_BASIC_INT3264: return (sign <= 0 ? FC_INT3264 : FC_UINT3264);
216 case TYPE_BASIC_BYTE: return FC_BYTE;
217 case TYPE_BASIC_CHAR: return FC_CHAR;
218 case TYPE_BASIC_WCHAR: return FC_WCHAR;
219 case TYPE_BASIC_HYPER: return FC_HYPER;
220 case TYPE_BASIC_FLOAT: return FC_FLOAT;
221 case TYPE_BASIC_DOUBLE: return FC_DOUBLE;
222 case TYPE_BASIC_ERROR_STATUS_T: return FC_ERROR_STATUS_T;
223 case TYPE_BASIC_HANDLE: return FC_BIND_PRIMITIVE;
224 }
225 return 0;
226}
227
228static unsigned char get_basic_fc_signed(const type_t *type)
229{
230 switch (type_basic_get_type(type))
231 {
232 case TYPE_BASIC_INT8: return FC_SMALL;
233 case TYPE_BASIC_INT16: return FC_SHORT;
234 case TYPE_BASIC_INT32: return FC_LONG;
235 case TYPE_BASIC_INT64: return FC_HYPER;
236 case TYPE_BASIC_INT: return FC_LONG;
237 case TYPE_BASIC_INT3264: return FC_INT3264;
238 case TYPE_BASIC_LONG: return FC_LONG;
239 case TYPE_BASIC_BYTE: return FC_BYTE;
240 case TYPE_BASIC_CHAR: return FC_CHAR;
241 case TYPE_BASIC_WCHAR: return FC_WCHAR;
242 case TYPE_BASIC_HYPER: return FC_HYPER;
243 case TYPE_BASIC_FLOAT: return FC_FLOAT;
244 case TYPE_BASIC_DOUBLE: return FC_DOUBLE;
245 case TYPE_BASIC_ERROR_STATUS_T: return FC_ERROR_STATUS_T;
246 case TYPE_BASIC_HANDLE: return FC_BIND_PRIMITIVE;
247 }
248 return 0;
249}
250
251static inline unsigned int clamp_align(unsigned int align)
252{
253 unsigned int packing = (pointer_size == 4) ? win32_packing : win64_packing;
254 if(align > packing) align = packing;
255 return align;
256}
257
258unsigned char get_pointer_fc(const type_t *type, const attr_list_t *attrs, int toplevel_param)
259{
260 const type_t *t;
261 int pointer_type;
262
263 assert(is_ptr(type) || is_array(type));
264
265 pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
266 if (pointer_type)
267 return pointer_type;
268
269 for (t = type; type_is_alias(t); t = type_alias_get_aliasee(t))
270 {
271 pointer_type = get_attrv(t->attrs, ATTR_POINTERTYPE);
272 if (pointer_type)
273 return pointer_type;
274 }
275
276 if (toplevel_param)
277 return FC_RP;
278 else if (is_ptr(type))
279 return type_pointer_get_default_fc(type);
280 else
281 return type_array_get_ptr_default_fc(type);
282}
283
284static unsigned char get_pointer_fc_context( const type_t *type, const attr_list_t *attrs,
285 enum type_context context )
286{
287 int pointer_fc = get_pointer_fc(type, attrs, context == TYPE_CONTEXT_TOPLEVELPARAM);
288
289 if (pointer_fc == FC_UP && is_attr( attrs, ATTR_OUT ) &&
290 context == TYPE_CONTEXT_PARAM && is_object( current_iface ))
291 pointer_fc = FC_OP;
292
293 return pointer_fc;
294}
295
296static unsigned char get_enum_fc(const type_t *type)
297{
298 assert(type_get_type(type) == TYPE_ENUM);
299 if (is_aliaschain_attr(type, ATTR_V1ENUM))
300 return FC_ENUM32;
301 else
302 return FC_ENUM16;
303}
304
305static type_t *get_user_type(const type_t *t, const char **pname)
306{
307 for (;;)
308 {
309 type_t *ut = get_attrp(t->attrs, ATTR_WIREMARSHAL);
310 if (ut)
311 {
312 if (pname)
313 *pname = t->name;
314 return ut;
315 }
316
317 if (type_is_alias(t))
318 t = type_alias_get_aliasee(t);
319 else
320 return NULL;
321 }
322}
323
324static int is_user_type(const type_t *t)
325{
326 return get_user_type(t, NULL) != NULL;
327}
328
329enum typegen_type typegen_detect_type(const type_t *type, const attr_list_t *attrs, unsigned int flags)
330{
331 if (is_user_type(type))
332 return TGT_USER_TYPE;
333
334 if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE))
335 return TGT_CTXT_HANDLE;
336
337 if (!(flags & TDT_IGNORE_STRINGS) && is_string_type(attrs, type))
338 return TGT_STRING;
339
340 switch (type_get_type(type))
341 {
342 case TYPE_BASIC:
343 if (!(flags & TDT_IGNORE_RANGES) &&
344 (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE)))
345 return TGT_RANGE;
346 return TGT_BASIC;
347 case TYPE_ENUM:
348 if (!(flags & TDT_IGNORE_RANGES) &&
349 (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE)))
350 return TGT_RANGE;
351 return TGT_ENUM;
352 case TYPE_POINTER:
353 if (type_get_type(type_pointer_get_ref(type)) == TYPE_INTERFACE ||
354 (type_get_type(type_pointer_get_ref(type)) == TYPE_VOID && is_attr(attrs, ATTR_IIDIS)))
355 return TGT_IFACE_POINTER;
356 else if (is_aliaschain_attr(type_pointer_get_ref(type), ATTR_CONTEXTHANDLE))
357 return TGT_CTXT_HANDLE_POINTER;
358 else
359 return TGT_POINTER;
360 case TYPE_STRUCT:
361 return TGT_STRUCT;
362 case TYPE_ENCAPSULATED_UNION:
363 case TYPE_UNION:
364 return TGT_UNION;
365 case TYPE_ARRAY:
366 return TGT_ARRAY;
367 case TYPE_FUNCTION:
368 case TYPE_COCLASS:
369 case TYPE_INTERFACE:
370 case TYPE_MODULE:
371 case TYPE_VOID:
372 case TYPE_ALIAS:
373 case TYPE_BITFIELD:
374 break;
375 }
376 return TGT_INVALID;
377}
378
379static int cant_be_null(const var_t *v)
380{
381 switch (typegen_detect_type(v->type, v->attrs, TDT_IGNORE_STRINGS))
382 {
383 case TGT_ARRAY:
384 if (!type_array_is_decl_as_ptr( v->type )) return 0;
385 /* fall through */
386 case TGT_POINTER:
387 return (get_pointer_fc(v->type, v->attrs, TRUE) == FC_RP);
388 case TGT_CTXT_HANDLE_POINTER:
389 return TRUE;
390 default:
391 return 0;
392 }
393
394}
395
396static int get_padding(const var_list_t *fields)
397{
398 unsigned short offset = 0;
399 unsigned int salign = 1;
400 const var_t *f;
401
402 if (!fields)
403 return 0;
404
405 LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
406 {
407 type_t *ft = f->type;
408 unsigned int align = 0;
409 unsigned int size = type_memsize_and_alignment(ft, &align);
410 align = clamp_align(align);
411 if (align > salign) salign = align;
412 offset = ROUND_SIZE(offset, align);
413 offset += size;
414 }
415
416 return ROUNDING(offset, salign);
417}
418
419static unsigned int get_stack_size( const var_t *var, int *by_value )
420{
421 unsigned int stack_size;
422 int by_val;
423
424 switch (typegen_detect_type( var->type, var->attrs, TDT_ALL_TYPES ))
425 {
426 case TGT_BASIC:
427 case TGT_ENUM:
428 case TGT_RANGE:
429 case TGT_STRUCT:
430 case TGT_UNION:
431 case TGT_USER_TYPE:
432 stack_size = type_memsize( var->type );
433 by_val = (pointer_size < 8 || stack_size <= pointer_size); /* FIXME: should be platform-specific */
434 break;
435 default:
436 by_val = 0;
437 break;
438 }
439 if (!by_val) stack_size = pointer_size;
440 if (by_value) *by_value = by_val;
441 return ROUND_SIZE( stack_size, pointer_size );
442}
443
444static unsigned char get_contexthandle_flags( const type_t *iface, const attr_list_t *attrs,
445 const type_t *type )
446{
447 unsigned char flags = 0;
448
449 if (is_attr(iface->attrs, ATTR_STRICTCONTEXTHANDLE)) flags |= NDR_STRICT_CONTEXT_HANDLE;
450
451 if (is_ptr(type) &&
452 !is_attr( type->attrs, ATTR_CONTEXTHANDLE ) &&
453 !is_attr( attrs, ATTR_CONTEXTHANDLE ))
454 flags |= 0x80;
455
456 if (is_attr(attrs, ATTR_IN))
457 {
458 flags |= 0x40;
459 if (!is_attr(attrs, ATTR_OUT)) flags |= NDR_CONTEXT_HANDLE_CANNOT_BE_NULL;
460 }
461 if (is_attr(attrs, ATTR_OUT)) flags |= 0x20;
462
463 return flags;
464}
465
466static unsigned int get_rpc_flags( const attr_list_t *attrs )
467{
468 unsigned int flags = 0;
469
470 if (is_attr( attrs, ATTR_IDEMPOTENT )) flags |= 0x0001;
471 if (is_attr( attrs, ATTR_BROADCAST )) flags |= 0x0002;
472 if (is_attr( attrs, ATTR_MAYBE )) flags |= 0x0004;
473 if (is_attr( attrs, ATTR_MESSAGE )) flags |= 0x0100;
474 if (is_attr( attrs, ATTR_ASYNC )) flags |= 0x4000;
475 return flags;
476}
477
478unsigned char get_struct_fc(const type_t *type)
479{
480 int has_pointer = 0;
481 int has_conformance = 0;
482 int has_variance = 0;
483 var_t *field;
484 var_list_t *fields;
485
486 fields = type_struct_get_fields(type);
487
488 if (get_padding(fields))
489 return FC_BOGUS_STRUCT;
490
491 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
492 {
493 type_t *t = field->type;
494 enum typegen_type typegen_type;
495
496 typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
497
498 if (typegen_type == TGT_ARRAY && !type_array_is_decl_as_ptr(t))
499 {
500 if (is_string_type(field->attrs, field->type))
501 {
502 if (is_conformant_array(t))
503 has_conformance = 1;
504 has_variance = 1;
505 continue;
506 }
507
508 if (is_array(type_array_get_element(field->type)))
509 return FC_BOGUS_STRUCT;
510
511 if (type_array_has_conformance(field->type))
512 {
513 has_conformance = 1;
514 if (list_next(fields, &field->entry))
515 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
516 field->name);
517 }
518 if (type_array_has_variance(t))
519 has_variance = 1;
520
521 t = type_array_get_element(t);
522 typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
523 }
524
525 switch (typegen_type)
526 {
527 case TGT_USER_TYPE:
528 case TGT_IFACE_POINTER:
529 return FC_BOGUS_STRUCT;
530 case TGT_BASIC:
531 if (type_basic_get_type(t) == TYPE_BASIC_INT3264 && pointer_size != 4)
532 return FC_BOGUS_STRUCT;
533 break;
534 case TGT_ENUM:
535 if (get_enum_fc(t) == FC_ENUM16)
536 return FC_BOGUS_STRUCT;
537 break;
538 case TGT_POINTER:
539 case TGT_ARRAY:
540 if (get_pointer_fc(t, field->attrs, FALSE) == FC_RP || pointer_size != 4)
541 return FC_BOGUS_STRUCT;
542 has_pointer = 1;
543 break;
544 case TGT_UNION:
545 return FC_BOGUS_STRUCT;
546 case TGT_STRUCT:
547 {
548 unsigned char fc = get_struct_fc(t);
549 switch (fc)
550 {
551 case FC_STRUCT:
552 break;
553 case FC_CVSTRUCT:
554 has_conformance = 1;
555 has_variance = 1;
556 has_pointer = 1;
557 break;
558
559 case FC_CPSTRUCT:
560 has_conformance = 1;
561 if (list_next( fields, &field->entry ))
562 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
563 field->name);
564 has_pointer = 1;
565 break;
566
567 case FC_CSTRUCT:
568 has_conformance = 1;
569 if (list_next( fields, &field->entry ))
570 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
571 field->name);
572 break;
573
574 case FC_PSTRUCT:
575 has_pointer = 1;
576 break;
577
578 default:
579 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, fc);
580 /* fallthru - treat it as complex */
581
582 /* as soon as we see one of these these members, it's bogus... */
583 case FC_BOGUS_STRUCT:
584 return FC_BOGUS_STRUCT;
585 }
586 break;
587 }
588 case TGT_RANGE:
589 return FC_BOGUS_STRUCT;
590 case TGT_STRING:
591 /* shouldn't get here because of TDT_IGNORE_STRINGS above. fall through */
592 case TGT_INVALID:
593 case TGT_CTXT_HANDLE:
594 case TGT_CTXT_HANDLE_POINTER:
595 /* checking after parsing should mean that we don't get here. if we do,
596 * it's a checker bug */
597 assert(0);
598 }
599 }
600
601 if( has_variance )
602 {
603 if ( has_conformance )
604 return FC_CVSTRUCT;
605 else
606 return FC_BOGUS_STRUCT;
607 }
608 if( has_conformance && has_pointer )
609 return FC_CPSTRUCT;
610 if( has_conformance )
611 return FC_CSTRUCT;
612 if( has_pointer )
613 return FC_PSTRUCT;
614 return FC_STRUCT;
615}
616
617static unsigned char get_array_fc(const type_t *type)
618{
619 unsigned char fc;
620 const expr_t *size_is;
621 const type_t *elem_type;
622
623 elem_type = type_array_get_element(type);
624 size_is = type_array_get_conformance(type);
625
626 if (!size_is)
627 {
628 unsigned int size = type_memsize(elem_type);
629 if (size * type_array_get_dim(type) > 0xffffuL)
630 fc = FC_LGFARRAY;
631 else
632 fc = FC_SMFARRAY;
633 }
634 else
635 fc = FC_CARRAY;
636
637 if (type_array_has_variance(type))
638 {
639 if (fc == FC_SMFARRAY)
640 fc = FC_SMVARRAY;
641 else if (fc == FC_LGFARRAY)
642 fc = FC_LGVARRAY;
643 else if (fc == FC_CARRAY)
644 fc = FC_CVARRAY;
645 }
646
647 switch (typegen_detect_type(elem_type, NULL, TDT_IGNORE_STRINGS))
648 {
649 case TGT_USER_TYPE:
650 fc = FC_BOGUS_ARRAY;
651 break;
652 case TGT_BASIC:
653 if (type_basic_get_type(elem_type) == TYPE_BASIC_INT3264 &&
654 pointer_size != 4)
655 fc = FC_BOGUS_ARRAY;
656 break;
657 case TGT_STRUCT:
658 switch (get_struct_fc(elem_type))
659 {
660 case FC_BOGUS_STRUCT:
661 fc = FC_BOGUS_ARRAY;
662 break;
663 }
664 break;
665 case TGT_ENUM:
666 /* is 16-bit enum - if so, wire size differs from mem size and so
667 * the array cannot be block copied, which means the array is complex */
668 if (get_enum_fc(elem_type) == FC_ENUM16)
669 fc = FC_BOGUS_ARRAY;
670 break;
671 case TGT_UNION:
672 case TGT_IFACE_POINTER:
673 fc = FC_BOGUS_ARRAY;
674 break;
675 case TGT_POINTER:
676 /* ref pointers cannot just be block copied. unique pointers to
677 * interfaces need special treatment. either case means the array is
678 * complex */
679 if (get_pointer_fc(elem_type, NULL, FALSE) == FC_RP || pointer_size != 4)
680 fc = FC_BOGUS_ARRAY;
681 break;
682 case TGT_RANGE:
683 fc = FC_BOGUS_ARRAY;
684 break;
685 case TGT_CTXT_HANDLE:
686 case TGT_CTXT_HANDLE_POINTER:
687 case TGT_STRING:
688 case TGT_INVALID:
689 case TGT_ARRAY:
690 /* nothing to do for everything else */
691 break;
692 }
693
694 return fc;
695}
696
697static int is_non_complex_struct(const type_t *type)
698{
699 return (type_get_type(type) == TYPE_STRUCT &&
700 get_struct_fc(type) != FC_BOGUS_STRUCT);
701}
702
703static int type_has_pointers(const type_t *type)
704{
705 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
706 {
707 case TGT_USER_TYPE:
708 return FALSE;
709 case TGT_POINTER:
710 return TRUE;
711 case TGT_ARRAY:
712 return type_array_is_decl_as_ptr(type) || type_has_pointers(type_array_get_element(type));
713 case TGT_STRUCT:
714 {
715 var_list_t *fields = type_struct_get_fields(type);
716 const var_t *field;
717 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
718 {
719 if (type_has_pointers(field->type))
720 return TRUE;
721 }
722 break;
723 }
724 case TGT_UNION:
725 {
726 var_list_t *fields;
727 const var_t *field;
728 fields = type_union_get_cases(type);
729 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
730 {
731 if (field->type && type_has_pointers(field->type))
732 return TRUE;
733 }
734 break;
735 }
736 case TGT_CTXT_HANDLE:
737 case TGT_CTXT_HANDLE_POINTER:
738 case TGT_STRING:
739 case TGT_IFACE_POINTER:
740 case TGT_BASIC:
741 case TGT_ENUM:
742 case TGT_RANGE:
743 case TGT_INVALID:
744 break;
745 }
746
747 return FALSE;
748}
749
750static int type_has_full_pointer(const type_t *type, const attr_list_t *attrs,
751 int toplevel_param)
752{
753 switch (typegen_detect_type(type, NULL, TDT_IGNORE_STRINGS))
754 {
755 case TGT_USER_TYPE:
756 return FALSE;
757 case TGT_POINTER:
758 if (get_pointer_fc(type, attrs, toplevel_param) == FC_FP)
759 return TRUE;
760 else
761 return FALSE;
762 case TGT_ARRAY:
763 if (get_pointer_fc(type, attrs, toplevel_param) == FC_FP)
764 return TRUE;
765 else
766 return type_has_full_pointer(type_array_get_element(type), NULL, FALSE);
767 case TGT_STRUCT:
768 {
769 var_list_t *fields = type_struct_get_fields(type);
770 const var_t *field;
771 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
772 {
773 if (type_has_full_pointer(field->type, field->attrs, FALSE))
774 return TRUE;
775 }
776 break;
777 }
778 case TGT_UNION:
779 {
780 var_list_t *fields;
781 const var_t *field;
782 fields = type_union_get_cases(type);
783 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
784 {
785 if (field->type && type_has_full_pointer(field->type, field->attrs, FALSE))
786 return TRUE;
787 }
788 break;
789 }
790 case TGT_CTXT_HANDLE:
791 case TGT_CTXT_HANDLE_POINTER:
792 case TGT_STRING:
793 case TGT_IFACE_POINTER:
794 case TGT_BASIC:
795 case TGT_ENUM:
796 case TGT_RANGE:
797 case TGT_INVALID:
798 break;
799 }
800
801 return FALSE;
802}
803
804static unsigned short user_type_offset(const char *name)
805{
806 user_type_t *ut;
807 unsigned short off = 0;
808 LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry)
809 {
810 if (strcmp(name, ut->name) == 0)
811 return off;
812 ++off;
813 }
814 error("user_type_offset: couldn't find type (%s)\n", name);
815 return 0;
816}
817
818static void update_tfsoff(type_t *type, unsigned int offset, FILE *file)
819{
820 type->typestring_offset = offset;
821 if (file) type->tfswrite = FALSE;
822}
823
824static void guard_rec(type_t *type)
825{
826 /* types that contain references to themselves (like a linked list),
827 need to be shielded from infinite recursion when writing embedded
828 types */
829 if (type->typestring_offset)
830 type->tfswrite = FALSE;
831 else
832 type->typestring_offset = 1;
833}
834
835static int is_embedded_complex(const type_t *type)
836{
837 switch (typegen_detect_type(type, NULL, TDT_ALL_TYPES))
838 {
839 case TGT_USER_TYPE:
840 case TGT_STRUCT:
841 case TGT_UNION:
842 case TGT_ARRAY:
843 case TGT_IFACE_POINTER:
844 return TRUE;
845 default:
846 return FALSE;
847 }
848}
849
850static const char *get_context_handle_type_name(const type_t *type)
851{
852 const type_t *t;
853 for (t = type;
854 is_ptr(t) || type_is_alias(t);
855 t = type_is_alias(t) ? type_alias_get_aliasee(t) : type_pointer_get_ref(t))
856 if (is_attr(t->attrs, ATTR_CONTEXTHANDLE))
857 return t->name;
858 assert(0);
859 return NULL;
860}
861
862#define WRITE_FCTYPE(file, fctype, typestring_offset) \
863 do { \
864 if (file) \
865 fprintf(file, "/* %2u */\n", typestring_offset); \
866 print_file((file), 2, "0x%02x,\t/* " #fctype " */\n", fctype); \
867 } \
868 while (0)
869
870static void print_file(FILE *file, int indent, const char *format, ...) __attribute__((format (printf, 3, 4)));
871static void print_file(FILE *file, int indent, const char *format, ...)
872{
873 va_list va;
874 va_start(va, format);
875 print(file, indent, format, va);
876 va_end(va);
877}
878
879void print(FILE *file, int indent, const char *format, va_list va)
880{
881 if (file)
882 {
883 if (format[0] != '\n')
884 while (0 < indent--)
885 fprintf(file, " ");
886 vfprintf(file, format, va);
887 }
888}
889
890
891static void write_var_init(FILE *file, int indent, const type_t *t, const char *n, const char *local_var_prefix)
892{
893 if (decl_indirect(t))
894 {
895 print_file(file, indent, "MIDL_memset(&%s%s, 0, sizeof(%s%s));\n",
896 local_var_prefix, n, local_var_prefix, n);
897 print_file(file, indent, "%s_p_%s = &%s%s;\n", local_var_prefix, n, local_var_prefix, n);
898 }
899 else if (is_ptr(t) || is_array(t))
900 print_file(file, indent, "%s%s = 0;\n", local_var_prefix, n);
901}
902
903void write_parameters_init(FILE *file, int indent, const var_t *func, const char *local_var_prefix)
904{
905 const var_t *var = type_function_get_retval(func->type);
906
907 if (!is_void(var->type))
908 write_var_init(file, indent, var->type, var->name, local_var_prefix);
909
910 if (!type_get_function_args(func->type))
911 return;
912
913 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
914 write_var_init(file, indent, var->type, var->name, local_var_prefix);
915
916 fprintf(file, "\n");
917}
918
919static void write_formatdesc(FILE *f, int indent, const char *str)
920{
921 print_file(f, indent, "typedef struct _MIDL_%s_FORMAT_STRING\n", str);
922 print_file(f, indent, "{\n");
923 print_file(f, indent + 1, "short Pad;\n");
924 print_file(f, indent + 1, "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str);
925 print_file(f, indent, "} MIDL_%s_FORMAT_STRING;\n", str);
926 print_file(f, indent, "\n");
927}
928
929void write_formatstringsdecl(FILE *f, int indent, const statement_list_t *stmts, type_pred_t pred)
930{
931 clear_all_offsets();
932
933 print_file(f, indent, "#define TYPE_FORMAT_STRING_SIZE %d\n",
934 get_size_typeformatstring(stmts, pred));
935
936 print_file(f, indent, "#define PROC_FORMAT_STRING_SIZE %d\n",
937 get_size_procformatstring(stmts, pred));
938
939 fprintf(f, "\n");
940 write_formatdesc(f, indent, "TYPE");
941 write_formatdesc(f, indent, "PROC");
942 fprintf(f, "\n");
943 print_file(f, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n");
944 print_file(f, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n");
945 print_file(f, indent, "\n");
946}
947
948int decl_indirect(const type_t *t)
949{
950 if (is_user_type(t))
951 return TRUE;
952 return (type_get_type(t) != TYPE_BASIC &&
953 type_get_type(t) != TYPE_ENUM &&
954 type_get_type(t) != TYPE_POINTER &&
955 type_get_type(t) != TYPE_ARRAY);
956}
957
958static unsigned char get_parameter_fc( const var_t *var, int is_return, unsigned short *flags,
959 unsigned int *stack_size, unsigned int *typestring_offset )
960{
961 unsigned int alignment, server_size = 0, buffer_size = 0;
962 unsigned char fc = 0;
963 int is_byval;
964 int is_in = is_attr(var->attrs, ATTR_IN);
965 int is_out = is_attr(var->attrs, ATTR_OUT);
966
967 if (is_return) is_out = TRUE;
968 else if (!is_in && !is_out) is_in = TRUE;
969
970 *flags = 0;
971 *stack_size = get_stack_size( var, &is_byval );
972 *typestring_offset = var->typestring_offset;
973
974 if (is_in) *flags |= IsIn;
975 if (is_out) *flags |= IsOut;
976 if (is_return) *flags |= IsReturn;
977
978 if (!is_string_type( var->attrs, var->type ))
979 buffer_size = get_required_buffer_size_type( var->type, NULL, var->attrs, TRUE, &alignment );
980
981 switch (typegen_detect_type( var->type, var->attrs, TDT_ALL_TYPES ))
982 {
983 case TGT_BASIC:
984 *flags |= IsBasetype;
985 fc = get_basic_fc_signed( var->type );
986 if (fc == FC_BIND_PRIMITIVE)
987 {
988 buffer_size = 4; /* actually 0 but avoids setting MustSize */
989 fc = FC_LONG;
990 }
991 break;
992 case TGT_ENUM:
993 *flags |= IsBasetype;
994 fc = get_enum_fc( var->type );
995 break;
996 case TGT_RANGE:
997 *flags |= IsByValue;
998 break;
999 case TGT_STRUCT:
1000 case TGT_UNION:
1001 case TGT_USER_TYPE:
1002 *flags |= MustFree | (is_byval ? IsByValue : IsSimpleRef);
1003 break;
1004 case TGT_IFACE_POINTER:
1005 *flags |= MustFree;
1006 break;
1007 case TGT_ARRAY:
1008 *flags |= MustFree;
1009 if (type_array_is_decl_as_ptr(var->type) && var->type->details.array.ptr_tfsoff &&
1010 get_pointer_fc( var->type, var->attrs, !is_return ) == FC_RP)
1011 {
1012 *typestring_offset = var->type->typestring_offset;
1013 *flags |= IsSimpleRef;
1014 }
1015 break;
1016 case TGT_STRING:
1017 *flags |= MustFree;
1018 if (is_declptr( var->type ) && get_pointer_fc( var->type, var->attrs, !is_return ) == FC_RP)
1019 {
1020 /* skip over pointer description straight to string description */
1021 if (is_conformant_array( var->type )) *typestring_offset += 4;
1022 else *typestring_offset += 2;
1023 *flags |= IsSimpleRef;
1024 }
1025 break;
1026 case TGT_CTXT_HANDLE_POINTER:
1027 *flags |= IsSimpleRef;
1028 *typestring_offset += 4;
1029 /* fall through */
1030 case TGT_CTXT_HANDLE:
1031 buffer_size = 20;
1032 break;
1033 case TGT_POINTER:
1034 if (get_pointer_fc( var->type, var->attrs, !is_return ) == FC_RP)
1035 {
1036 const type_t *ref = type_pointer_get_ref( var->type );
1037
1038 if (!is_string_type( var->attrs, ref ))
1039 buffer_size = get_required_buffer_size_type( ref, NULL, NULL, TRUE, &alignment );
1040
1041 switch (typegen_detect_type( ref, NULL, TDT_ALL_TYPES ))
1042 {
1043 case TGT_BASIC:
1044 *flags |= IsSimpleRef | IsBasetype;
1045 fc = get_basic_fc( ref );
1046 if (!is_in && is_out) server_size = pointer_size;
1047 break;
1048 case TGT_ENUM:
1049 if ((fc = get_enum_fc( ref )) == FC_ENUM32)
1050 {
1051 *flags |= IsSimpleRef | IsBasetype;
1052 if (!is_in && is_out) server_size = pointer_size;
1053 }
1054 else
1055 {
1056 server_size = pointer_size;
1057 }
1058 break;
1059 case TGT_UNION:
1060 case TGT_USER_TYPE:
1061 case TGT_RANGE:
1062 case TGT_ARRAY:
1063 *flags |= IsSimpleRef | MustFree;
1064 *typestring_offset = ref->typestring_offset;
1065 if (!is_in && is_out) server_size = type_memsize( ref );
1066 break;
1067 case TGT_STRING:
1068 case TGT_POINTER:
1069 case TGT_CTXT_HANDLE:
1070 case TGT_CTXT_HANDLE_POINTER:
1071 *flags |= MustFree;
1072 server_size = pointer_size;
1073 break;
1074 case TGT_IFACE_POINTER:
1075 *flags |= MustFree;
1076 if (is_in && is_out) server_size = pointer_size;
1077 break;
1078 case TGT_STRUCT:
1079 *flags |= IsSimpleRef | MustFree;
1080 *typestring_offset = ref->typestring_offset;
1081 switch (get_struct_fc(ref))
1082 {
1083 case FC_STRUCT:
1084 case FC_PSTRUCT:
1085 case FC_BOGUS_STRUCT:
1086 if (!is_in && is_out) server_size = type_memsize( ref );
1087 break;
1088 default:
1089 break;
1090 }
1091 break;
1092 case TGT_INVALID:
1093 assert(0);
1094 }
1095 }
1096 else /* not ref pointer */
1097 {
1098 *flags |= MustFree;
1099 }
1100 break;
1101 case TGT_INVALID:
1102 assert(0);
1103 }
1104
1105 if (!buffer_size) *flags |= MustSize;
1106
1107 if (server_size)
1108 {
1109 server_size = (server_size + 7) / 8;
1110 if (server_size < 8) *flags |= server_size << 13;
1111 }
1112 return fc;
1113}
1114
1115static unsigned char get_func_oi2_flags( const var_t *func )
1116{
1117 const var_t *var;
1118 var_list_t *args = type_get_function_args( func->type );
1119 var_t *retval = type_function_get_retval( func->type );
1120 unsigned char oi2_flags = 0x40; /* HasExtensions */
1121 unsigned short flags;
1122 unsigned int stack_size, typestring_offset;
1123
1124 if (args) LIST_FOR_EACH_ENTRY( var, args, const var_t, entry )
1125 {
1126 get_parameter_fc( var, 0, &flags, &stack_size, &typestring_offset );
1127 if (flags & MustSize)
1128 {
1129 if (flags & IsIn) oi2_flags |= 0x02; /* ClientMustSize */
1130 if (flags & IsOut) oi2_flags |= 0x01; /* ServerMustSize */
1131 }
1132 }
1133
1134 if (!is_void( retval->type ))
1135 {
1136 oi2_flags |= 0x04; /* HasRet */
1137 get_parameter_fc( retval, 1, &flags, &stack_size, &typestring_offset );
1138 if (flags & MustSize) oi2_flags |= 0x01; /* ServerMustSize */
1139 }
1140 return oi2_flags;
1141}
1142
1143static unsigned int write_new_procformatstring_type(FILE *file, int indent, const var_t *var,
1144 int is_return, unsigned int *stack_offset)
1145{
1146 char buffer[128];
1147 unsigned int stack_size, typestring_offset;
1148 unsigned short flags;
1149 unsigned char fc = get_parameter_fc( var, is_return, &flags, &stack_size, &typestring_offset );
1150
1151 strcpy( buffer, "/* flags:" );
1152 if (flags & MustSize) strcat( buffer, " must size," );
1153 if (flags & MustFree) strcat( buffer, " must free," );
1154 if (flags & IsPipe) strcat( buffer, " pipe," );
1155 if (flags & IsIn) strcat( buffer, " in," );
1156 if (flags & IsOut) strcat( buffer, " out," );
1157 if (flags & IsReturn) strcat( buffer, " return," );
1158 if (flags & IsBasetype) strcat( buffer, " base type," );
1159 if (flags & IsByValue) strcat( buffer, " by value," );
1160 if (flags & IsSimpleRef) strcat( buffer, " simple ref," );
1161 if (flags >> 13) sprintf( buffer + strlen(buffer), " srv size=%u,", (flags >> 13) * 8 );
1162 strcpy( buffer + strlen( buffer ) - 1, " */" );
1163 print_file( file, indent, "NdrFcShort(0x%hx),\t%s\n", flags, buffer );
1164 print_file( file, indent, "NdrFcShort(0x%x), /* stack offset = %u */\n",
1165 *stack_offset, *stack_offset );
1166 if (flags & IsBasetype)
1167 {
1168 print_file( file, indent, "0x%02x, /* %s */\n", fc, string_of_type(fc) );
1169 print_file( file, indent, "0x0,\n" );
1170 }
1171 else
1172 print_file( file, indent, "NdrFcShort(0x%x), /* type offset = %u */\n",
1173 typestring_offset, typestring_offset );
1174 *stack_offset += max( stack_size, pointer_size );
1175 return 6;
1176}
1177
1178static unsigned int write_old_procformatstring_type(FILE *file, int indent, const var_t *var,
1179 int is_return, int is_interpreted)
1180{
1181 unsigned int size;
1182
1183 int is_in = is_attr(var->attrs, ATTR_IN);
1184 int is_out = is_attr(var->attrs, ATTR_OUT);
1185
1186 if (!is_in && !is_out) is_in = TRUE;
1187
1188 if (type_get_type(var->type) == TYPE_BASIC ||
1189 type_get_type(var->type) == TYPE_ENUM)
1190 {
1191 unsigned char fc;
1192
1193 if (is_return)
1194 print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n");
1195 else
1196 print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
1197
1198 if (type_get_type(var->type) == TYPE_ENUM)
1199 {
1200 fc = get_enum_fc(var->type);
1201 }
1202 else
1203 {
1204 fc = get_basic_fc_signed(var->type);
1205
1206 if (fc == FC_BIND_PRIMITIVE)
1207 fc = FC_IGNORE;
1208 }
1209
1210 print_file(file, indent, "0x%02x, /* %s */\n",
1211 fc, string_of_type(fc));
1212 size = 2; /* includes param type prefix */
1213 }
1214 else
1215 {
1216 unsigned short offset = var->typestring_offset;
1217
1218 if (!is_interpreted && is_array(var->type) &&
1219 type_array_is_decl_as_ptr(var->type) &&
1220 var->type->details.array.ptr_tfsoff)
1221 offset = var->type->typestring_offset;
1222
1223 if (is_return)
1224 print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n");
1225 else if (is_in && is_out)
1226 print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n");
1227 else if (is_out)
1228 print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n");
1229 else
1230 print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
1231
1232 size = get_stack_size( var, NULL );
1233 print_file(file, indent, "0x%02x,\n", size / pointer_size );
1234 print_file(file, indent, "NdrFcShort(0x%x), /* type offset = %u */\n", offset, offset);
1235 size = 4; /* includes param type prefix */
1236 }
1237 return size;
1238}
1239
1240int is_interpreted_func( const type_t *iface, const var_t *func )
1241{
1242 const char *str;
1243 const var_t *var;
1244 const var_list_t *args = type_get_function_args( func->type );
1245 const type_t *ret_type = type_function_get_rettype( func->type );
1246
1247 if (type_get_type( ret_type ) == TYPE_BASIC)
1248 {
1249 switch (type_basic_get_type( ret_type ))
1250 {
1251 case TYPE_BASIC_INT64:
1252 case TYPE_BASIC_HYPER:
1253 /* return value must fit in a long_ptr */
1254 if (pointer_size < 8) return 0;
1255 break;
1256 case TYPE_BASIC_FLOAT:
1257 case TYPE_BASIC_DOUBLE:
1258 /* floating point values can't be returned */
1259 return 0;
1260 default:
1261 break;
1262 }
1263 }
1264 if (get_stub_mode() != MODE_Oif && args)
1265 {
1266 LIST_FOR_EACH_ENTRY( var, args, const var_t, entry )
1267 switch (type_get_type( var->type ))
1268 {
1269 case TYPE_BASIC:
1270 switch (type_basic_get_type( var->type ))
1271 {
1272 /* floating point arguments are not supported in Oi mode */
1273 case TYPE_BASIC_FLOAT: return 0;
1274 case TYPE_BASIC_DOUBLE: return 0;
1275 default: break;
1276 }
1277 break;
1278 /* unions passed by value are not supported in Oi mode */
1279 case TYPE_UNION: return 0;
1280 case TYPE_ENCAPSULATED_UNION: return 0;
1281 default: break;
1282 }
1283 }
1284
1285 if ((str = get_attrp( func->attrs, ATTR_OPTIMIZE ))) return !strcmp( str, "i" );
1286 if ((str = get_attrp( iface->attrs, ATTR_OPTIMIZE ))) return !strcmp( str, "i" );
1287 return (get_stub_mode() != MODE_Os);
1288}
1289
1290static void write_proc_func_header( FILE *file, int indent, const type_t *iface,
1291 const var_t *func, unsigned int *offset,
1292 unsigned short num_proc )
1293{
1294 var_t *var;
1295 var_list_t *args = type_get_function_args( func->type );
1296 unsigned char explicit_fc, implicit_fc;
1297 unsigned char handle_flags;
1298 const var_t *handle_var = get_func_handle_var( iface, func, &explicit_fc, &implicit_fc );
1299 unsigned char oi_flags = Oi_HAS_RPCFLAGS | Oi_USE_NEW_INIT_ROUTINES;
1300 unsigned int rpc_flags = get_rpc_flags( func->attrs );
1301 unsigned int nb_args = 0;
1302 unsigned int stack_size = 0;
1303 unsigned short param_num = 0;
1304 unsigned short handle_stack_offset = 0;
1305 unsigned short handle_param_num = 0;
1306
1307 if (is_full_pointer_function( func )) oi_flags |= Oi_FULL_PTR_USED;
1308 if (is_object( iface ))
1309 {
1310 oi_flags |= Oi_OBJECT_PROC;
1311 if (get_stub_mode() == MODE_Oif) oi_flags |= Oi_OBJ_USE_V2_INTERPRETER;
1312 stack_size += pointer_size;
1313 }
1314
1315 if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry )
1316 {
1317 if (var == handle_var)
1318 {
1319 handle_stack_offset = stack_size;
1320 handle_param_num = param_num;
1321 }
1322 stack_size += get_stack_size( var, NULL );
1323 param_num++;
1324
1325 if (var != handle_var || implicit_fc || explicit_fc != FC_BIND_PRIMITIVE)
1326 nb_args++;
1327 }
1328 if (!is_void( type_function_get_rettype( func->type )))
1329 {
1330 stack_size += pointer_size;
1331 nb_args++;
1332 }
1333
1334 print_file( file, 0, "/* %u (procedure %s::%s) */\n", *offset, iface->name, func->name );
1335 print_file( file, indent, "0x%02x,\t/* %s */\n", implicit_fc,
1336 implicit_fc ? string_of_type(implicit_fc) : "explicit handle" );
1337 print_file( file, indent, "0x%02x,\n", oi_flags );
1338 print_file( file, indent, "NdrFcLong(0x%x),\n", rpc_flags );
1339 print_file( file, indent, "NdrFcShort(0x%hx),\t/* method %hu */\n", num_proc, num_proc );
1340 print_file( file, indent, "NdrFcShort(0x%x),\t/* stack size = %u */\n", stack_size, stack_size );
1341 *offset += 10;
1342
1343 if (!implicit_fc)
1344 {
1345 switch (explicit_fc)
1346 {
1347 case FC_BIND_PRIMITIVE:
1348 handle_flags = 0;
1349 print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) );
1350 print_file( file, indent, "0x%02x,\n", handle_flags );
1351 print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n",
1352 handle_stack_offset, handle_stack_offset );
1353 *offset += 4;
1354 break;
1355 case FC_BIND_GENERIC:
1356 handle_flags = type_memsize( handle_var->type );
1357 print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) );
1358 print_file( file, indent, "0x%02x,\n", handle_flags );
1359 print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n",
1360 handle_stack_offset, handle_stack_offset );
1361 print_file( file, indent, "0x%02x,\n", get_generic_handle_offset( handle_var->type ) );
1362 print_file( file, indent, "0x%x,\t/* FC_PAD */\n", FC_PAD);
1363 *offset += 6;
1364 break;
1365 case FC_BIND_CONTEXT:
1366 handle_flags = get_contexthandle_flags( iface, handle_var->attrs, handle_var->type );
1367 print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) );
1368 print_file( file, indent, "0x%02x,\n", handle_flags );
1369 print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n",
1370 handle_stack_offset, handle_stack_offset );
1371 print_file( file, indent, "0x%02x,\n", get_context_handle_offset( handle_var->type ) );
1372 print_file( file, indent, "0x%02x,\t/* param %hu */\n", handle_param_num, handle_param_num );
1373 *offset += 6;
1374 break;
1375 }
1376 }
1377
1378 if (get_stub_mode() == MODE_Oif)
1379 {
1380 unsigned char oi2_flags = get_func_oi2_flags( func );
1381 unsigned char ext_flags = 0;
1382 unsigned int size;
1383
1384 if (is_attr( func->attrs, ATTR_NOTIFY )) ext_flags |= 0x08; /* HasNotify */
1385 if (is_attr( func->attrs, ATTR_NOTIFYFLAG )) ext_flags |= 0x10; /* HasNotify2 */
1386 if (iface == iface->details.iface->async_iface) oi2_flags |= 0x20;
1387
1388 size = get_function_buffer_size( func, PASS_IN );
1389 print_file( file, indent, "NdrFcShort(0x%x),\t/* client buffer = %u */\n", size, size );
1390 size = get_function_buffer_size( func, PASS_OUT );
1391 print_file( file, indent, "NdrFcShort(0x%x),\t/* server buffer = %u */\n", size, size );
1392 print_file( file, indent, "0x%02x,\n", oi2_flags );
1393 print_file( file, indent, "0x%02x,\t/* %u params */\n", nb_args, nb_args );
1394 print_file( file, indent, "0x%02x,\n", pointer_size == 8 ? 10 : 8 );
1395 print_file( file, indent, "0x%02x,\n", ext_flags );
1396 print_file( file, indent, "NdrFcShort(0x0),\n" ); /* server corr hint */
1397 print_file( file, indent, "NdrFcShort(0x0),\n" ); /* client corr hint */
1398 print_file( file, indent, "NdrFcShort(0x0),\n" ); /* FIXME: notify index */
1399 *offset += 14;
1400 if (pointer_size == 8)
1401 {
1402 unsigned short pos = 0, fpu_mask = 0;
1403
1404 if (is_object( iface )) pos += 2;
1405 if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry )
1406 {
1407 if (type_get_type( var->type ) == TYPE_BASIC)
1408 {
1409 switch (type_basic_get_type( var->type ))
1410 {
1411 case TYPE_BASIC_FLOAT: fpu_mask |= 1 << pos; break;
1412 case TYPE_BASIC_DOUBLE: fpu_mask |= 2 << pos; break;
1413 default: break;
1414 }
1415 }
1416 pos += 2;
1417 if (pos >= 16) break;
1418 }
1419 print_file( file, indent, "NdrFcShort(0x%x),\n", fpu_mask ); /* floating point mask */
1420 *offset += 2;
1421 }
1422 }
1423}
1424
1425static void write_procformatstring_func( FILE *file, int indent, const type_t *iface,
1426 const var_t *func, unsigned int *offset,
1427 unsigned short num_proc )
1428{
1429 unsigned int stack_offset = is_object( iface ) ? pointer_size : 0;
1430 int is_interpreted = is_interpreted_func( iface, func );
1431 int is_new_style = is_interpreted && (get_stub_mode() == MODE_Oif);
1432 var_t *retval = type_function_get_retval( func->type );
1433 unsigned char explicit_fc, implicit_fc;
1434 const var_t *handle_var = get_func_handle_var( iface, func, &explicit_fc, &implicit_fc );
1435
1436 if (is_interpreted) write_proc_func_header( file, indent, iface, func, offset, num_proc );
1437
1438 /* emit argument data */
1439 if (type_get_function_args(func->type))
1440 {
1441 const var_t *var;
1442 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
1443 {
1444 if (var != handle_var || implicit_fc || explicit_fc != FC_BIND_PRIMITIVE)
1445 {
1446 print_file( file, 0, "/* %u (parameter %s) */\n", *offset, var->name );
1447 if (is_new_style)
1448 *offset += write_new_procformatstring_type(file, indent, var, FALSE, &stack_offset);
1449 else
1450 *offset += write_old_procformatstring_type(file, indent, var, FALSE, is_interpreted);
1451 }
1452 else
1453 {
1454 stack_offset += pointer_size;
1455 }
1456 }
1457 }
1458
1459 /* emit return value data */
1460 if (is_void(retval->type))
1461 {
1462 if (!is_new_style)
1463 {
1464 print_file(file, 0, "/* %u (void) */\n", *offset);
1465 print_file(file, indent, "0x5b,\t/* FC_END */\n");
1466 print_file(file, indent, "0x5c,\t/* FC_PAD */\n");
1467 *offset += 2;
1468 }
1469 }
1470 else
1471 {
1472 print_file( file, 0, "/* %u (return value) */\n", *offset );
1473 if (is_new_style)
1474 *offset += write_new_procformatstring_type(file, indent, retval, TRUE, &stack_offset);
1475 else
1476 *offset += write_old_procformatstring_type(file, indent, retval, TRUE, is_interpreted);
1477 }
1478}
1479
1480static void for_each_iface(const statement_list_t *stmts,
1481 void (*proc)(type_t *iface, FILE *file, int indent, unsigned int *offset),
1482 type_pred_t pred, FILE *file, int indent, unsigned int *offset)
1483{
1484 const statement_t *stmt;
1485 type_t *iface;
1486
1487 if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry )
1488 {
1489 if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE)
1490 continue;
1491 iface = stmt->u.type;
1492 if (!pred(iface)) continue;
1493 proc(iface, file, indent, offset);
1494 if (iface->details.iface->async_iface)
1495 proc(iface->details.iface->async_iface, file, indent, offset);
1496 }
1497}
1498
1499static void write_iface_procformatstring(type_t *iface, FILE *file, int indent, unsigned int *offset)
1500{
1501 const statement_t *stmt;
1502 const type_t *parent = type_iface_get_inherit( iface );
1503 int count = parent ? count_methods( parent ) : 0;
1504
1505 STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface))
1506 {
1507 var_t *func = stmt->u.var;
1508 if (is_local(func->attrs)) continue;
1509 write_procformatstring_func( file, indent, iface, func, offset, count++ );
1510 }
1511}
1512
1513void write_procformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred)
1514{
1515 int indent = 0;
1516 unsigned int offset = 0;
1517
1518 print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
1519 print_file(file, indent, "{\n");
1520 indent++;
1521 print_file(file, indent, "0,\n");
1522 print_file(file, indent, "{\n");
1523 indent++;
1524
1525 for_each_iface(stmts, write_iface_procformatstring, pred, file, indent, &offset);
1526
1527 print_file(file, indent, "0x0\n");
1528 indent--;
1529 print_file(file, indent, "}\n");
1530 indent--;
1531 print_file(file, indent, "};\n");
1532 print_file(file, indent, "\n");
1533}
1534
1535void write_procformatstring_offsets( FILE *file, const type_t *iface )
1536{
1537 const statement_t *stmt;
1538 int indent = 0;
1539
1540 print_file( file, indent, "static const unsigned short %s_FormatStringOffsetTable[] =\n",
1541 iface->name );
1542 print_file( file, indent, "{\n" );
1543 indent++;
1544 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
1545 {
1546 var_t *func = stmt->u.var;
1547 if (is_local( func->attrs )) continue;
1548 print_file( file, indent, "%u, /* %s */\n", func->procstring_offset, func->name );
1549 }
1550 indent--;
1551 print_file( file, indent, "};\n\n" );
1552}
1553
1554static int write_base_type(FILE *file, const type_t *type, unsigned int *typestring_offset)
1555{
1556 unsigned char fc;
1557
1558 if (type_get_type(type) == TYPE_BASIC)
1559 fc = get_basic_fc_signed(type);
1560 else if (type_get_type(type) == TYPE_ENUM)
1561 fc = get_enum_fc(type);
1562 else
1563 return 0;
1564
1565 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
1566 *typestring_offset += 1;
1567 return 1;
1568}
1569
1570/* write conformance / variance descriptor */
1571static unsigned int write_conf_or_var_desc(FILE *file, const type_t *cont_type,
1572 unsigned int baseoff, const type_t *type,
1573 const expr_t *expr)
1574{
1575 unsigned char operator_type = 0;
1576 unsigned char conftype = FC_NORMAL_CONFORMANCE;
1577 const char *conftype_string = "field";
1578 const expr_t *subexpr;
1579 const type_t *iface = NULL;
1580 const char *name;
1581
1582 if (!expr)
1583 {
1584 print_file(file, 2, "NdrFcLong(0xffffffff),\t/* -1 */\n");
1585 return 4;
1586 }
1587
1588 if (expr->is_const)
1589 {
1590 if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
1591 error("write_conf_or_var_desc: constant value %d is greater than "
1592 "the maximum constant size of %d\n", expr->cval,
1593 UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
1594
1595 print_file(file, 2, "0x%x, /* Corr desc: constant, val = %d */\n",
1596 FC_CONSTANT_CONFORMANCE, expr->cval);
1597 print_file(file, 2, "0x%x,\n", expr->cval >> 16);
1598 print_file(file, 2, "NdrFcShort(0x%hx),\n", (unsigned short)expr->cval);
1599
1600 return 4;
1601 }
1602
1603 if (!cont_type) /* top-level conformance */
1604 {
1605 conftype = FC_TOP_LEVEL_CONFORMANCE;
1606 conftype_string = "parameter";
1607 cont_type = current_func->type;
1608 name = current_func->name;
1609 iface = current_iface;
1610 }
1611 else
1612 {
1613 name = cont_type->name;
1614 if (is_ptr(type) || (is_array(type) && type_array_is_decl_as_ptr(type)))
1615 {
1616 conftype = FC_POINTER_CONFORMANCE;
1617 conftype_string = "field pointer";
1618 }
1619 }
1620
1621 subexpr = expr;
1622 switch (subexpr->type)
1623 {
1624 case EXPR_PPTR:
1625 subexpr = subexpr->ref;
1626 operator_type = FC_DEREFERENCE;
1627 break;
1628 case EXPR_DIV:
1629 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1630 {
1631 subexpr = subexpr->ref;
1632 operator_type = FC_DIV_2;
1633 }
1634 break;
1635 case EXPR_MUL:
1636 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
1637 {
1638 subexpr = subexpr->ref;
1639 operator_type = FC_MULT_2;
1640 }
1641 break;
1642 case EXPR_SUB:
1643 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1644 {
1645 subexpr = subexpr->ref;
1646 operator_type = FC_SUB_1;
1647 }
1648 break;
1649 case EXPR_ADD:
1650 if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
1651 {
1652 subexpr = subexpr->ref;
1653 operator_type = FC_ADD_1;
1654 }
1655 break;
1656 default:
1657 break;
1658 }
1659
1660 if (subexpr->type == EXPR_IDENTIFIER)
1661 {
1662 const type_t *correlation_variable = NULL;
1663 unsigned char param_type = 0;
1664 unsigned int offset = 0;
1665 const var_t *var;
1666 struct expr_loc expr_loc;
1667
1668 if (type_get_type(cont_type) == TYPE_FUNCTION)
1669 {
1670 var_list_t *args = type_get_function_args( cont_type );
1671
1672 if (is_object( iface )) offset += pointer_size;
1673 if (args) LIST_FOR_EACH_ENTRY( var, args, const var_t, entry )
1674 {
1675 if (var->name && !strcmp(var->name, subexpr->u.sval))
1676 {
1677 expr_loc.v = var;
1678 correlation_variable = var->type;
1679 break;
1680 }
1681 offset += get_stack_size( var, NULL );
1682 }
1683 }
1684 else
1685 {
1686 var_list_t *fields = type_struct_get_fields( cont_type );
1687
1688 if (fields) LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
1689 {
1690 unsigned int size = field_memsize( var->type, &offset );
1691 if (var->name && !strcmp(var->name, subexpr->u.sval))
1692 {
1693 expr_loc.v = var;
1694 correlation_variable = var->type;
1695 break;
1696 }
1697 offset += size;
1698 }
1699 }
1700
1701 if (!correlation_variable)
1702 error("write_conf_or_var_desc: couldn't find variable %s in %s\n", subexpr->u.sval, name);
1703 expr_loc.attr = NULL;
1704 correlation_variable = expr_resolve_type(&expr_loc, cont_type, expr);
1705
1706 offset -= baseoff;
1707
1708 if (type_get_type(correlation_variable) == TYPE_BASIC)
1709 {
1710 switch (get_basic_fc(correlation_variable))
1711 {
1712 case FC_CHAR:
1713 case FC_SMALL:
1714 param_type = FC_SMALL;
1715 break;
1716 case FC_BYTE:
1717 case FC_USMALL:
1718 param_type = FC_USMALL;
1719 break;
1720 case FC_WCHAR:
1721 case FC_SHORT:
1722 param_type = FC_SHORT;
1723 break;
1724 case FC_USHORT:
1725 param_type = FC_USHORT;
1726 break;
1727 case FC_LONG:
1728 param_type = FC_LONG;
1729 break;
1730 case FC_ULONG:
1731 param_type = FC_ULONG;
1732 break;
1733 default:
1734 error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
1735 get_basic_fc(correlation_variable));
1736 }
1737 }
1738 else if (type_get_type(correlation_variable) == TYPE_ENUM)
1739 {
1740 if (get_enum_fc(correlation_variable) == FC_ENUM32)
1741 param_type = FC_LONG;
1742 else
1743 param_type = FC_SHORT;
1744 }
1745 else if (type_get_type(correlation_variable) == TYPE_POINTER)
1746 {
1747 if (pointer_size == 8)
1748 param_type = FC_HYPER;
1749 else
1750 param_type = FC_LONG;
1751 }
1752 else
1753 {
1754 error("write_conf_or_var_desc: non-arithmetic type used as correlation variable %s\n",
1755 subexpr->u.sval);
1756 return 0;
1757 }
1758
1759 print_file(file, 2, "0x%x,\t/* Corr desc: %s %s, %s */\n",
1760 conftype | param_type, conftype_string, subexpr->u.sval, string_of_type(param_type));
1761 print_file(file, 2, "0x%x,\t/* %s */\n", operator_type,
1762 operator_type ? string_of_type(operator_type) : "no operators");
1763 print_file(file, 2, "NdrFcShort(0x%hx),\t/* offset = %d */\n",
1764 (unsigned short)offset, offset);
1765 }
1766 else if (!iface || is_interpreted_func( iface, current_func ))
1767 {
1768 unsigned int callback_offset = 0;
1769 struct expr_eval_routine *eval;
1770 int found = 0;
1771
1772 LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
1773 {
1774 if (eval->cont_type == cont_type ||
1775 (type_get_type( eval->cont_type ) == type_get_type( cont_type ) &&
1776 eval->iface == iface &&
1777 eval->name && name && !strcmp(eval->name, name) &&
1778 !compare_expr(eval->expr, expr)))
1779 {
1780 found = 1;
1781 break;
1782 }
1783 callback_offset++;
1784 }
1785
1786 if (!found)
1787 {
1788 eval = xmalloc (sizeof(*eval));
1789 eval->iface = iface;
1790 eval->cont_type = cont_type;
1791 eval->name = xstrdup( name );
1792 eval->baseoff = baseoff;
1793 eval->expr = expr;
1794 list_add_tail (&expr_eval_routines, &eval->entry);
1795 }
1796
1797 if (callback_offset > USHRT_MAX)
1798 error("Maximum number of callback routines reached\n");
1799
1800 print_file(file, 2, "0x%x,\t/* Corr desc: %s in %s */\n", conftype, conftype_string, name);
1801 print_file(file, 2, "0x%x,\t/* %s */\n", FC_CALLBACK, "FC_CALLBACK");
1802 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)callback_offset, callback_offset);
1803 }
1804 else /* output a dummy corr desc that isn't used */
1805 {
1806 print_file(file, 2, "0x%x,\t/* Corr desc: unused for %s */\n", conftype, name);
1807 print_file(file, 2, "0x0,\n" );
1808 print_file(file, 2, "NdrFcShort(0x0),\n" );
1809 }
1810 return 4;
1811}
1812
1813/* return size and start offset of a data field based on current offset */
1814static unsigned int field_memsize(const type_t *type, unsigned int *offset)
1815{
1816 unsigned int align = 0;
1817 unsigned int size = type_memsize_and_alignment( type, &align );
1818
1819 *offset = ROUND_SIZE( *offset, align );
1820 return size;
1821}
1822
1823static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align)
1824{
1825 unsigned int size = 0;
1826 unsigned int max_align;
1827 const var_t *v;
1828
1829 if (!fields) return 0;
1830 LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1831 {
1832 unsigned int falign = 0;
1833 unsigned int fsize = type_memsize_and_alignment(v->type, &falign);
1834 if (*align < falign) *align = falign;
1835 falign = clamp_align(falign);
1836 size = ROUND_SIZE(size, falign);
1837 size += fsize;
1838 }
1839
1840 max_align = clamp_align(*align);
1841 size = ROUND_SIZE(size, max_align);
1842
1843 return size;
1844}
1845
1846static unsigned int union_memsize(const var_list_t *fields, unsigned int *pmaxa)
1847{
1848 unsigned int size, maxs = 0;
1849 unsigned int align = *pmaxa;
1850 const var_t *v;
1851
1852 if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry )
1853 {
1854 /* we could have an empty default field with NULL type */
1855 if (v->type)
1856 {
1857 size = type_memsize_and_alignment(v->type, &align);
1858 if (maxs < size) maxs = size;
1859 if (*pmaxa < align) *pmaxa = align;
1860 }
1861 }
1862
1863 return maxs;
1864}
1865
1866unsigned int type_memsize_and_alignment(const type_t *t, unsigned int *align)
1867{
1868 unsigned int size = 0;
1869
1870 switch (type_get_type(t))
1871 {
1872 case TYPE_BASIC:
1873 switch (get_basic_fc(t))
1874 {
1875 case FC_BYTE:
1876 case FC_CHAR:
1877 case FC_USMALL:
1878 case FC_SMALL:
1879 size = 1;
1880 if (size > *align) *align = size;
1881 break;
1882 case FC_WCHAR:
1883 case FC_USHORT:
1884 case FC_SHORT:
1885 size = 2;
1886 if (size > *align) *align = size;
1887 break;
1888 case FC_ULONG:
1889 case FC_LONG:
1890 case FC_ERROR_STATUS_T:
1891 case FC_FLOAT:
1892 size = 4;
1893 if (size > *align) *align = size;
1894 break;
1895 case FC_HYPER:
1896 case FC_DOUBLE:
1897 size = 8;
1898 if (size > *align) *align = size;
1899 break;
1900 case FC_INT3264:
1901 case FC_UINT3264:
1902 case FC_BIND_PRIMITIVE:
1903 assert( pointer_size );
1904 size = pointer_size;
1905 if (size > *align) *align = size;
1906 break;
1907 default:
1908 error("type_memsize: Unknown type 0x%x\n", get_basic_fc(t));
1909 size = 0;
1910 }
1911 break;
1912 case TYPE_ENUM:
1913 switch (get_enum_fc(t))
1914 {
1915 case FC_ENUM16:
1916 case FC_ENUM32:
1917 size = 4;
1918 if (size > *align) *align = size;
1919 break;
1920 default:
1921 error("type_memsize: Unknown enum type\n");
1922 size = 0;
1923 }
1924 break;
1925 case TYPE_STRUCT:
1926 size = fields_memsize(type_struct_get_fields(t), align);
1927 break;
1928 case TYPE_ENCAPSULATED_UNION:
1929 size = fields_memsize(type_encapsulated_union_get_fields(t), align);
1930 break;
1931 case TYPE_UNION:
1932 size = union_memsize(type_union_get_cases(t), align);
1933 break;
1934 case TYPE_POINTER:
1935 case TYPE_INTERFACE:
1936 assert( pointer_size );
1937 size = pointer_size;
1938 if (size > *align) *align = size;
1939 break;
1940 case TYPE_ARRAY:
1941 if (!type_array_is_decl_as_ptr(t))
1942 {
1943 if (is_conformant_array(t))
1944 {
1945 type_memsize_and_alignment(type_array_get_element(t), align);
1946 size = 0;
1947 }
1948 else
1949 size = type_array_get_dim(t) *
1950 type_memsize_and_alignment(type_array_get_element(t), align);
1951 }
1952 else /* declared as a pointer */
1953 {
1954 assert( pointer_size );
1955 size = pointer_size;
1956 if (size > *align) *align = size;
1957 }
1958 break;
1959 case TYPE_ALIAS:
1960 case TYPE_VOID:
1961 case TYPE_COCLASS:
1962 case TYPE_MODULE:
1963 case TYPE_FUNCTION:
1964 case TYPE_BITFIELD:
1965 /* these types should not be encountered here due to language
1966 * restrictions (interface, void, coclass, module), logical
1967 * restrictions (alias - due to type_get_type call above) or
1968 * checking restrictions (function, bitfield). */
1969 assert(0);
1970 }
1971
1972 return size;
1973}
1974
1975unsigned int type_memsize(const type_t *t)
1976{
1977 unsigned int align = 0;
1978 return type_memsize_and_alignment( t, &align );
1979}
1980
1981static unsigned int type_buffer_alignment(const type_t *t)
1982{
1983 const var_list_t *fields;
1984 const var_t *var;
1985 unsigned int max = 0, align;
1986
1987 switch (type_get_type(t))
1988 {
1989 case TYPE_BASIC:
1990 switch (get_basic_fc(t))
1991 {
1992 case FC_BYTE:
1993 case FC_CHAR:
1994 case FC_USMALL:
1995 case FC_SMALL:
1996 return 1;
1997 case FC_WCHAR:
1998 case FC_USHORT:
1999 case FC_SHORT:
2000 return 2;
2001 case FC_ULONG:
2002 case FC_LONG:
2003 case FC_ERROR_STATUS_T:
2004 case FC_FLOAT:
2005 case FC_INT3264:
2006 case FC_UINT3264:
2007 return 4;
2008 case FC_HYPER:
2009 case FC_DOUBLE:
2010 return 8;
2011 default:
2012 error("type_buffer_alignment: Unknown type 0x%x\n", get_basic_fc(t));
2013 }
2014 break;
2015 case TYPE_ENUM:
2016 switch (get_enum_fc(t))
2017 {
2018 case FC_ENUM16:
2019 return 2;
2020 case FC_ENUM32:
2021 return 4;
2022 default:
2023 error("type_buffer_alignment: Unknown enum type\n");
2024 }
2025 break;
2026 case TYPE_STRUCT:
2027 if (!(fields = type_struct_get_fields(t))) break;
2028 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
2029 {
2030 if (!var->type) continue;
2031 align = type_buffer_alignment( var->type );
2032 if (max < align) max = align;
2033 }
2034 break;
2035 case TYPE_ENCAPSULATED_UNION:
2036 if (!(fields = type_encapsulated_union_get_fields(t))) break;
2037 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
2038 {
2039 if (!var->type) continue;
2040 align = type_buffer_alignment( var->type );
2041 if (max < align) max = align;
2042 }
2043 break;
2044 case TYPE_UNION:
2045 if (!(fields = type_union_get_cases(t))) break;
2046 LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry )
2047 {
2048 if (!var->type) continue;
2049 align = type_buffer_alignment( var->type );
2050 if (max < align) max = align;
2051 }
2052 break;
2053 case TYPE_ARRAY:
2054 if (!type_array_is_decl_as_ptr(t))
2055 return type_buffer_alignment( type_array_get_element(t) );
2056 /* else fall through */
2057 case TYPE_POINTER:
2058 return 4;
2059 case TYPE_INTERFACE:
2060 case TYPE_ALIAS:
2061 case TYPE_VOID:
2062 case TYPE_COCLASS:
2063 case TYPE_MODULE:
2064 case TYPE_FUNCTION:
2065 case TYPE_BITFIELD:
2066 /* these types should not be encountered here due to language
2067 * restrictions (interface, void, coclass, module), logical
2068 * restrictions (alias - due to type_get_type call above) or
2069 * checking restrictions (function, bitfield). */
2070 assert(0);
2071 }
2072 return max;
2073}
2074
2075int is_full_pointer_function(const var_t *func)
2076{
2077 const var_t *var;
2078 if (type_has_full_pointer(type_function_get_rettype(func->type), func->attrs, TRUE))
2079 return TRUE;
2080 if (!type_get_function_args(func->type))
2081 return FALSE;
2082 LIST_FOR_EACH_ENTRY( var, type_get_function_args(func->type), const var_t, entry )
2083 if (type_has_full_pointer( var->type, var->attrs, TRUE ))
2084 return TRUE;
2085 return FALSE;
2086}
2087
2088void write_full_pointer_init(FILE *file, int indent, const var_t *func, int is_server)
2089{
2090 print_file(file, indent, "__frame->_StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,%s);\n",
2091 is_server ? "XLAT_SERVER" : "XLAT_CLIENT");
2092 fprintf(file, "\n");
2093}
2094
2095void write_full_pointer_free(FILE *file, int indent, const var_t *func)
2096{
2097 print_file(file, indent, "NdrFullPointerXlatFree(__frame->_StubMsg.FullPtrXlatTables);\n");
2098 fprintf(file, "\n");
2099}
2100
2101static unsigned int write_nonsimple_pointer(FILE *file, const attr_list_t *attrs,
2102 const type_t *type,
2103 enum type_context context,
2104 unsigned int offset,
2105 unsigned int *typeformat_offset)
2106{
2107 unsigned int start_offset = *typeformat_offset;
2108 short reloff = offset - (*typeformat_offset + 2);
2109 int in_attr, out_attr;
2110 int pointer_type;
2111 unsigned char flags = 0;
2112
2113 pointer_type = get_pointer_fc_context(type, attrs, context);
2114
2115 in_attr = is_attr(attrs, ATTR_IN);
2116 out_attr = is_attr(attrs, ATTR_OUT);
2117 if (!in_attr && !out_attr) in_attr = 1;
2118
2119 if (!is_interpreted_func(current_iface, current_func))
2120 {
2121 if (out_attr && !in_attr && pointer_type == FC_RP)
2122 flags |= FC_ALLOCED_ON_STACK;
2123 }
2124 else if (get_stub_mode() == MODE_Oif)
2125 {
2126 if (context == TYPE_CONTEXT_TOPLEVELPARAM && is_ptr(type) && pointer_type == FC_RP)
2127 {
2128 switch (typegen_detect_type(type_pointer_get_ref(type), NULL, TDT_ALL_TYPES))
2129 {
2130 case TGT_STRING:
2131 case TGT_POINTER:
2132 case TGT_CTXT_HANDLE:
2133 case TGT_CTXT_HANDLE_POINTER:
2134 flags |= FC_ALLOCED_ON_STACK;
2135 break;
2136 case TGT_IFACE_POINTER:
2137 if (in_attr && out_attr)
2138 flags |= FC_ALLOCED_ON_STACK;
2139 break;
2140 default:
2141 break;
2142 }
2143 }
2144 }
2145
2146 if (is_ptr(type))
2147 {
2148 type_t *ref = type_pointer_get_ref(type);
2149 if(is_declptr(ref) && !is_user_type(ref))
2150 flags |= FC_POINTER_DEREF;
2151 if (pointer_type != FC_RP) {
2152 flags |= get_attrv(type->attrs, ATTR_ALLOCATE);
2153 }
2154 }
2155
2156 print_file(file, 2, "0x%x, 0x%x,\t\t/* %s",
2157 pointer_type,
2158 flags,
2159 string_of_type(pointer_type));
2160 if (file)
2161 {
2162 if (flags & FC_ALLOCED_ON_STACK)
2163 fprintf(file, " [allocated_on_stack]");
2164 if (flags & FC_POINTER_DEREF)
2165 fprintf(file, " [pointer_deref]");
2166 if (flags & FC_DONT_FREE)
2167 fprintf(file, " [dont_free]");
2168 if (flags & FC_ALLOCATE_ALL_NODES)
2169 fprintf(file, " [all_nodes]");
2170 fprintf(file, " */\n");
2171 }
2172
2173 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, offset);
2174 *typeformat_offset += 4;
2175
2176 return start_offset;
2177}
2178
2179static unsigned int write_simple_pointer(FILE *file, const attr_list_t *attrs,
2180 const type_t *type, enum type_context context)
2181{
2182 unsigned char fc;
2183 unsigned char pointer_fc;
2184 const type_t *ref;
2185 int in_attr = is_attr(attrs, ATTR_IN);
2186 int out_attr = is_attr(attrs, ATTR_OUT);
2187 unsigned char flags = FC_SIMPLE_POINTER;
2188
2189 /* for historical reasons, write_simple_pointer also handled string types,
2190 * but no longer does. catch bad uses of the function with this check */
2191 if (is_string_type(attrs, type))
2192 error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
2193
2194 pointer_fc = get_pointer_fc_context(type, attrs, context);
2195
2196 ref = type_pointer_get_ref(type);
2197 if (type_get_type(ref) == TYPE_ENUM)
2198 fc = get_enum_fc(ref);
2199 else
2200 fc = get_basic_fc(ref);
2201
2202 if (!is_interpreted_func(current_iface, current_func))
2203 {
2204 if (out_attr && !in_attr && pointer_fc == FC_RP)
2205 flags |= FC_ALLOCED_ON_STACK;
2206 }
2207 else if (get_stub_mode() == MODE_Oif)
2208 {
2209 if (context == TYPE_CONTEXT_TOPLEVELPARAM && fc == FC_ENUM16 && pointer_fc == FC_RP)
2210 flags |= FC_ALLOCED_ON_STACK;
2211 }
2212
2213 print_file(file, 2, "0x%02x, 0x%x,\t/* %s %s[simple_pointer] */\n",
2214 pointer_fc, flags, string_of_type(pointer_fc),
2215 flags & FC_ALLOCED_ON_STACK ? "[allocated_on_stack] " : "");
2216 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
2217 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
2218 return 4;
2219}
2220
2221static void print_start_tfs_comment(FILE *file, type_t *t, unsigned int tfsoff)
2222{
2223 print_file(file, 0, "/* %u (", tfsoff);
2224 write_type_decl(file, t, NULL);
2225 print_file(file, 0, ") */\n");
2226}
2227
2228static unsigned int write_pointer_tfs(FILE *file, const attr_list_t *attrs,
2229 type_t *type, unsigned int ref_offset,
2230 enum type_context context,
2231 unsigned int *typestring_offset)
2232{
2233 unsigned int offset = *typestring_offset;
2234 type_t *ref = type_pointer_get_ref(type);
2235
2236 print_start_tfs_comment(file, type, offset);
2237 update_tfsoff(type, offset, file);
2238
2239 switch (typegen_detect_type(ref, attrs, TDT_ALL_TYPES))
2240 {
2241 case TGT_BASIC:
2242 case TGT_ENUM:
2243 *typestring_offset += write_simple_pointer(file, attrs, type, context);
2244 break;
2245 default:
2246 if (ref_offset)
2247 write_nonsimple_pointer(file, attrs, type, context, ref_offset, typestring_offset);
2248 break;
2249 }
2250
2251 return offset;
2252}
2253
2254static int processed(const type_t *type)
2255{
2256 return type->typestring_offset && !type->tfswrite;
2257}
2258
2259static int user_type_has_variable_size(const type_t *t)
2260{
2261 if (is_ptr(t))
2262 return TRUE;
2263 else if (type_get_type(t) == TYPE_STRUCT)
2264 {
2265 switch (get_struct_fc(t))
2266 {
2267 case FC_PSTRUCT:
2268 case FC_CSTRUCT:
2269 case FC_CPSTRUCT:
2270 case FC_CVSTRUCT:
2271 return TRUE;
2272 }
2273 }
2274 /* Note: Since this only applies to user types, we can't have a conformant
2275 array here, and strings should get filed under pointer in this case. */
2276 return FALSE;
2277}
2278
2279static unsigned int write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff)
2280{
2281 unsigned int start, absoff, flags;
2282 const char *name = NULL;
2283 type_t *utype = get_user_type(type, &name);
2284 unsigned int usize = type_memsize(utype);
2285 unsigned int ualign = type_buffer_alignment(utype);
2286 unsigned int size = type_memsize(type);
2287 unsigned short funoff = user_type_offset(name);
2288 short reloff;
2289
2290 if (processed(type)) return type->typestring_offset;
2291
2292 guard_rec(type);
2293
2294 if(user_type_has_variable_size(utype)) usize = 0;
2295
2296 if (type_get_type(utype) == TYPE_BASIC ||
2297 type_get_type(utype) == TYPE_ENUM)
2298 {
2299 unsigned char fc;
2300
2301 if (type_get_type(utype) == TYPE_ENUM)
2302 fc = get_enum_fc(utype);
2303 else
2304 fc = get_basic_fc(utype);
2305
2306 absoff = *tfsoff;
2307 print_start_tfs_comment(file, utype, absoff);
2308 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2309 print_file(file, 2, "0x5c,\t/* FC_PAD */\n");
2310 *tfsoff += 2;
2311 }
2312 else
2313 {
2314 if (!processed(utype))
2315 write_embedded_types(file, NULL, utype, utype->name, TRUE, tfsoff);
2316 absoff = utype->typestring_offset;
2317 }
2318
2319 if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == FC_RP)
2320 flags = 0x40;
2321 else if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE) == FC_UP)
2322 flags = 0x80;
2323 else
2324 flags = 0;
2325
2326 start = *tfsoff;
2327 update_tfsoff(type, start, file);
2328 print_start_tfs_comment(file, type, start);
2329 print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", FC_USER_MARSHAL);
2330 print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n",
2331 flags | (ualign - 1), ualign - 1, flags);
2332 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff);
2333 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size);
2334 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)usize, usize);
2335 *tfsoff += 8;
2336 reloff = absoff - *tfsoff;
2337 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff);
2338 *tfsoff += 2;
2339 return start;
2340}
2341
2342static void write_member_type(FILE *file, const type_t *cont,
2343 int cont_is_complex, const attr_list_t *attrs,
2344 const type_t *type, unsigned int *corroff,
2345 unsigned int *tfsoff)
2346{
2347 if (is_embedded_complex(type) && !is_conformant_array(type))
2348 {
2349 unsigned int absoff;
2350 short reloff;
2351
2352 if (type_get_type(type) == TYPE_UNION && is_attr(attrs, ATTR_SWITCHIS))
2353 {
2354 absoff = *corroff;
2355 *corroff += 8;
2356 }
2357 else
2358 {
2359 absoff = type->typestring_offset;
2360 }
2361 reloff = absoff - (*tfsoff + 2);
2362
2363 print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n");
2364 /* padding is represented using FC_STRUCTPAD* types, so presumably
2365 * this is left over in the format for historical purposes in MIDL
2366 * or rpcrt4. */
2367 print_file(file, 2, "0x0,\n");
2368 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2369 reloff, reloff, absoff);
2370 *tfsoff += 4;
2371 }
2372 else if (is_ptr(type) || is_conformant_array(type))
2373 {
2374 unsigned char fc = cont_is_complex ? FC_POINTER : FC_LONG;
2375 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
2376 *tfsoff += 1;
2377 }
2378 else if (!write_base_type(file, type, tfsoff))
2379 error("Unsupported member type %d\n", type_get_type(type));
2380}
2381
2382static void write_array_element_type(FILE *file, const attr_list_t *attrs, const type_t *type,
2383 int cont_is_complex, unsigned int *tfsoff)
2384{
2385 type_t *elem = type_array_get_element(type);
2386
2387 if (!is_embedded_complex(elem) && is_ptr(elem))
2388 {
2389 type_t *ref = type_pointer_get_ref(elem);
2390
2391 if (processed(ref))
2392 {
2393 write_nonsimple_pointer(file, NULL, elem, TYPE_CONTEXT_CONTAINER,
2394 ref->typestring_offset, tfsoff);
2395 return;
2396 }
2397 if (cont_is_complex && is_string_type(attrs, elem))
2398 {
2399 write_string_tfs(file, NULL, elem, TYPE_CONTEXT_CONTAINER, NULL, tfsoff);
2400 return;
2401 }
2402 if (!is_string_type(NULL, elem) &&
2403 (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM))
2404 {
2405 *tfsoff += write_simple_pointer(file, NULL, elem, TYPE_CONTEXT_CONTAINER);
2406 return;
2407 }
2408 }
2409 write_member_type(file, type, cont_is_complex, NULL, elem, NULL, tfsoff);
2410}
2411
2412static void write_end(FILE *file, unsigned int *tfsoff)
2413{
2414 if (*tfsoff % 2 == 0)
2415 {
2416 print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD);
2417 *tfsoff += 1;
2418 }
2419 print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END);
2420 *tfsoff += 1;
2421}
2422
2423static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff)
2424{
2425 unsigned int offset = 0;
2426 var_list_t *fs = type_struct_get_fields(type);
2427 var_t *f;
2428
2429 if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry)
2430 {
2431 type_t *ft = f->type;
2432 unsigned int size = field_memsize( ft, &offset );
2433 if (type_get_type(ft) == TYPE_UNION && is_attr(f->attrs, ATTR_SWITCHIS))
2434 {
2435 short reloff;
2436 unsigned int absoff = ft->typestring_offset;
2437 if (is_attr(ft->attrs, ATTR_SWITCHTYPE))
2438 absoff += 8; /* we already have a corr descr, skip it */
2439 reloff = absoff - (*tfsoff + 6);
2440 print_file(file, 0, "/* %d */\n", *tfsoff);
2441 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", FC_NON_ENCAPSULATED_UNION);
2442 print_file(file, 2, "0x%x,\t/* FIXME: always FC_LONG */\n", FC_LONG);
2443 write_conf_or_var_desc(file, current_structure, offset, ft,
2444 get_attrp(f->attrs, ATTR_SWITCHIS));
2445 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
2446 (unsigned short)reloff, reloff, absoff);
2447 *tfsoff += 8;
2448 }
2449 offset += size;
2450 }
2451}
2452
2453static int write_pointer_description_offsets(
2454 FILE *file, const attr_list_t *attrs, type_t *type,
2455 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2456 unsigned int *typestring_offset)
2457{
2458 int written = 0;
2459
2460 if ((is_ptr(type) && type_get_type(type_pointer_get_ref(type)) != TYPE_INTERFACE) ||
2461 (is_array(type) && type_array_is_decl_as_ptr(type)))
2462 {
2463 if (offset_in_memory && offset_in_buffer)
2464 {
2465 unsigned int memsize;
2466
2467 /* pointer instance
2468 *
2469 * note that MSDN states that for pointer layouts in structures,
2470 * this is a negative offset from the end of the structure, but
2471 * this statement is incorrect. all offsets are positive */
2472 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
2473 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", (unsigned short)*offset_in_buffer, *offset_in_buffer);
2474
2475 memsize = type_memsize(type);
2476 *offset_in_memory += memsize;
2477 /* increment these separately as in the case of conformant (varying)
2478 * structures these start at different values */
2479 *offset_in_buffer += memsize;
2480 }
2481 *typestring_offset += 4;
2482
2483 if (is_ptr(type))
2484 {
2485 type_t *ref = type_pointer_get_ref(type);
2486
2487 if (is_string_type(attrs, type))
2488 write_string_tfs(file, attrs, type, TYPE_CONTEXT_CONTAINER, NULL, typestring_offset);
2489 else if (processed(ref))
2490 write_nonsimple_pointer(file, attrs, type, TYPE_CONTEXT_CONTAINER,
2491 ref->typestring_offset, typestring_offset);
2492 else if (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM)
2493 *typestring_offset += write_simple_pointer(file, attrs, type, TYPE_CONTEXT_CONTAINER);
2494 else
2495 error("write_pointer_description_offsets: type format string unknown\n");
2496 }
2497 else
2498 {
2499 unsigned int offset = type->typestring_offset;
2500 /* skip over the pointer that is written for strings, since a
2501 * pointer has to be written in-place here */
2502 if (is_string_type(attrs, type))
2503 offset += 4;
2504 write_nonsimple_pointer(file, attrs, type, TYPE_CONTEXT_CONTAINER, offset, typestring_offset);
2505 }
2506
2507 return 1;
2508 }
2509
2510 if (is_array(type))
2511 {
2512 return write_pointer_description_offsets(
2513 file, attrs, type_array_get_element(type), offset_in_memory,
2514 offset_in_buffer, typestring_offset);
2515 }
2516 else if (is_non_complex_struct(type))
2517 {
2518 /* otherwise search for interesting fields to parse */
2519 const var_t *v;
2520 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2521 {
2522 if (offset_in_memory && offset_in_buffer)
2523 {
2524 unsigned int padding;
2525 unsigned int align = 0;
2526 type_memsize_and_alignment(v->type, &align);
2527 padding = ROUNDING(*offset_in_memory, align);
2528 *offset_in_memory += padding;
2529 *offset_in_buffer += padding;
2530 }
2531 written += write_pointer_description_offsets(
2532 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2533 typestring_offset);
2534 }
2535 }
2536 else
2537 {
2538 if (offset_in_memory && offset_in_buffer)
2539 {
2540 unsigned int memsize = type_memsize(type);
2541 *offset_in_memory += memsize;
2542 /* increment these separately as in the case of conformant (varying)
2543 * structures these start at different values */
2544 *offset_in_buffer += memsize;
2545 }
2546 }
2547
2548 return written;
2549}
2550
2551static int write_no_repeat_pointer_descriptions(
2552 FILE *file, const attr_list_t *attrs, type_t *type,
2553 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2554 unsigned int *typestring_offset)
2555{
2556 int written = 0;
2557
2558 if (is_ptr(type) ||
2559 (is_conformant_array(type) && type_array_is_decl_as_ptr(type)))
2560 {
2561 print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", FC_NO_REPEAT);
2562 print_file(file, 2, "0x%02x, /* FC_PAD */\n", FC_PAD);
2563 *typestring_offset += 2;
2564
2565 return write_pointer_description_offsets(file, attrs, type,
2566 offset_in_memory, offset_in_buffer, typestring_offset);
2567 }
2568
2569 if (is_non_complex_struct(type))
2570 {
2571 const var_t *v;
2572 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2573 {
2574 if (offset_in_memory && offset_in_buffer)
2575 {
2576 unsigned int padding;
2577 unsigned int align = 0;
2578 type_memsize_and_alignment(v->type, &align);
2579 padding = ROUNDING(*offset_in_memory, align);
2580 *offset_in_memory += padding;
2581 *offset_in_buffer += padding;
2582 }
2583 written += write_no_repeat_pointer_descriptions(
2584 file, v->attrs, v->type,
2585 offset_in_memory, offset_in_buffer, typestring_offset);
2586 }
2587 }
2588 else
2589 {
2590 unsigned int memsize = type_memsize(type);
2591 *offset_in_memory += memsize;
2592 /* increment these separately as in the case of conformant (varying)
2593 * structures these start at different values */
2594 *offset_in_buffer += memsize;
2595 }
2596
2597 return written;
2598}
2599
2600/* Note: if file is NULL return value is number of pointers to write, else
2601 * it is the number of type format characters written */
2602static int write_fixed_array_pointer_descriptions(
2603 FILE *file, const attr_list_t *attrs, type_t *type,
2604 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2605 unsigned int *typestring_offset)
2606{
2607 int pointer_count = 0;
2608
2609 if (type_get_type(type) == TYPE_ARRAY &&
2610 !type_array_has_conformance(type) && !type_array_has_variance(type))
2611 {
2612 unsigned int temp = 0;
2613 /* unfortunately, this needs to be done in two passes to avoid
2614 * writing out redundant FC_FIXED_REPEAT descriptions */
2615 pointer_count = write_pointer_description_offsets(
2616 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2617 if (pointer_count > 0)
2618 {
2619 unsigned int increment_size;
2620 unsigned int offset_of_array_pointer_mem = 0;
2621 unsigned int offset_of_array_pointer_buf = 0;
2622
2623 increment_size = type_memsize(type_array_get_element(type));
2624
2625 print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", FC_FIXED_REPEAT);
2626 print_file(file, 2, "0x%02x, /* FC_PAD */\n", FC_PAD);
2627 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Iterations = %d */\n", (unsigned short)type_array_get_dim(type), type_array_get_dim(type));
2628 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
2629 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
2630 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
2631 *typestring_offset += 10;
2632
2633 pointer_count = write_pointer_description_offsets(
2634 file, attrs, type, &offset_of_array_pointer_mem,
2635 &offset_of_array_pointer_buf, typestring_offset);
2636 }
2637 }
2638 else if (type_get_type(type) == TYPE_STRUCT)
2639 {
2640 const var_t *v;
2641 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2642 {
2643 if (offset_in_memory && offset_in_buffer)
2644 {
2645 unsigned int padding;
2646 unsigned int align = 0;
2647 type_memsize_and_alignment(v->type, &align);
2648 padding = ROUNDING(*offset_in_memory, align);
2649 *offset_in_memory += padding;
2650 *offset_in_buffer += padding;
2651 }
2652 pointer_count += write_fixed_array_pointer_descriptions(
2653 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2654 typestring_offset);
2655 }
2656 }
2657 else
2658 {
2659 if (offset_in_memory && offset_in_buffer)
2660 {
2661 unsigned int memsize;
2662 memsize = type_memsize(type);
2663 *offset_in_memory += memsize;
2664 /* increment these separately as in the case of conformant (varying)
2665 * structures these start at different values */
2666 *offset_in_buffer += memsize;
2667 }
2668 }
2669
2670 return pointer_count;
2671}
2672
2673/* Note: if file is NULL return value is number of pointers to write, else
2674 * it is the number of type format characters written */
2675static int write_conformant_array_pointer_descriptions(
2676 FILE *file, const attr_list_t *attrs, type_t *type,
2677 unsigned int offset_in_memory, unsigned int *typestring_offset)
2678{
2679 int pointer_count = 0;
2680
2681 if (is_conformant_array(type) && !type_array_has_variance(type))
2682 {
2683 unsigned int temp = 0;
2684 /* unfortunately, this needs to be done in two passes to avoid
2685 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2686 pointer_count = write_pointer_description_offsets(
2687 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2688 if (pointer_count > 0)
2689 {
2690 unsigned int increment_size;
2691 unsigned int offset_of_array_pointer_mem = offset_in_memory;
2692 unsigned int offset_of_array_pointer_buf = offset_in_memory;
2693
2694 increment_size = type_memsize(type_array_get_element(type));
2695
2696 if (increment_size > USHRT_MAX)
2697 error("array size of %u bytes is too large\n", increment_size);
2698
2699 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", FC_VARIABLE_REPEAT);
2700 print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", FC_FIXED_OFFSET);
2701 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
2702 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)offset_in_memory, offset_in_memory);
2703 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
2704 *typestring_offset += 8;
2705
2706 pointer_count = write_pointer_description_offsets(
2707 file, attrs, type_array_get_element(type),
2708 &offset_of_array_pointer_mem, &offset_of_array_pointer_buf,
2709 typestring_offset);
2710 }
2711 }
2712
2713 return pointer_count;
2714}
2715
2716/* Note: if file is NULL return value is number of pointers to write, else
2717 * it is the number of type format characters written */
2718static int write_varying_array_pointer_descriptions(
2719 FILE *file, const attr_list_t *attrs, type_t *type,
2720 unsigned int *offset_in_memory, unsigned int *offset_in_buffer,
2721 unsigned int *typestring_offset)
2722{
2723 int pointer_count = 0;
2724
2725 if (is_array(type) && type_array_has_variance(type))
2726 {
2727 unsigned int temp = 0;
2728 /* unfortunately, this needs to be done in two passes to avoid
2729 * writing out redundant FC_VARIABLE_REPEAT descriptions */
2730 pointer_count = write_pointer_description_offsets(
2731 NULL, attrs, type_array_get_element(type), NULL, NULL, &temp);
2732 if (pointer_count > 0)
2733 {
2734 unsigned int increment_size;
2735
2736 increment_size = type_memsize(type_array_get_element(type));
2737
2738 if (increment_size > USHRT_MAX)
2739 error("array size of %u bytes is too large\n", increment_size);
2740
2741 print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", FC_VARIABLE_REPEAT);
2742 print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", FC_VARIABLE_OFFSET);
2743 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size);
2744 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory);
2745 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count);
2746 *typestring_offset += 8;
2747
2748 pointer_count = write_pointer_description_offsets(
2749 file, attrs, type_array_get_element(type), offset_in_memory,
2750 offset_in_buffer, typestring_offset);
2751 }
2752 }
2753 else if (type_get_type(type) == TYPE_STRUCT)
2754 {
2755 const var_t *v;
2756 LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry )
2757 {
2758 if (offset_in_memory && offset_in_buffer)
2759 {
2760 unsigned int align = 0, padding;
2761
2762 if (is_array(v->type) && type_array_has_variance(v->type))
2763 {
2764 *offset_in_buffer = ROUND_SIZE(*offset_in_buffer, 4);
2765 /* skip over variance and offset in buffer */
2766 *offset_in_buffer += 8;
2767 }
2768
2769 type_memsize_and_alignment(v->type, &align);
2770 padding = ROUNDING(*offset_in_memory, align);
2771 *offset_in_memory += padding;
2772 *offset_in_buffer += padding;
2773 }
2774 pointer_count += write_varying_array_pointer_descriptions(
2775 file, v->attrs, v->type, offset_in_memory, offset_in_buffer,
2776 typestring_offset);
2777 }
2778 }
2779 else
2780 {
2781 if (offset_in_memory && offset_in_buffer)
2782 {
2783 unsigned int memsize = type_memsize(type);
2784 *offset_in_memory += memsize;
2785 /* increment these separately as in the case of conformant (varying)
2786 * structures these start at different values */
2787 *offset_in_buffer += memsize;
2788 }
2789 }
2790
2791 return pointer_count;
2792}
2793
2794static void write_pointer_description(FILE *file, const attr_list_t *attrs, type_t *type,
2795 unsigned int *typestring_offset)
2796{
2797 unsigned int offset_in_buffer;
2798 unsigned int offset_in_memory;
2799
2800 /* pass 1: search for single instance of a pointer (i.e. don't descend
2801 * into arrays) */
2802 if (!is_array(type))
2803 {
2804 offset_in_memory = 0;
2805 offset_in_buffer = 0;
2806 write_no_repeat_pointer_descriptions(
2807 file, NULL, type,
2808 &offset_in_memory, &offset_in_buffer, typestring_offset);
2809 }
2810
2811 /* pass 2: search for pointers in fixed arrays */
2812 offset_in_memory = 0;
2813 offset_in_buffer = 0;
2814 write_fixed_array_pointer_descriptions(
2815 file, NULL, type,
2816 &offset_in_memory, &offset_in_buffer, typestring_offset);
2817
2818 /* pass 3: search for pointers in conformant only arrays (but don't descend
2819 * into conformant varying or varying arrays) */
2820 if (is_conformant_array(type) &&
2821 (type_array_is_decl_as_ptr(type) || !current_structure))
2822 write_conformant_array_pointer_descriptions(
2823 file, attrs, type, 0, typestring_offset);
2824 else if (type_get_type(type) == TYPE_STRUCT &&
2825 get_struct_fc(type) == FC_CPSTRUCT)
2826 {
2827 type_t *carray = find_array_or_string_in_struct(type)->type;
2828 write_conformant_array_pointer_descriptions( file, NULL, carray,
2829 type_memsize(type), typestring_offset);
2830 }
2831
2832 /* pass 4: search for pointers in varying arrays */
2833 offset_in_memory = 0;
2834 offset_in_buffer = 0;
2835 write_varying_array_pointer_descriptions(
2836 file, NULL, type,
2837 &offset_in_memory, &offset_in_buffer, typestring_offset);
2838}
2839
2840static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs,
2841 type_t *type, enum type_context context,
2842 const char *name, unsigned int *typestring_offset)
2843{
2844 unsigned int start_offset;
2845 unsigned char rtype;
2846 type_t *elem_type;
2847 int is_processed = processed(type);
2848
2849 start_offset = *typestring_offset;
2850
2851 if (is_declptr(type))
2852 {
2853 unsigned char flag = is_conformant_array(type) ? 0 : FC_SIMPLE_POINTER;
2854 int pointer_type = get_pointer_fc_context(type, attrs, context);
2855 if (!pointer_type)
2856 pointer_type = FC_RP;
2857 print_start_tfs_comment(file, type, *typestring_offset);
2858 print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n",
2859 pointer_type, flag, string_of_type(pointer_type),
2860 flag ? " [simple_pointer]" : "");
2861 *typestring_offset += 2;
2862 if (!flag)
2863 {
2864 print_file(file, 2, "NdrFcShort(0x2),\n");
2865 *typestring_offset += 2;
2866 }
2867 is_processed = FALSE;
2868 }
2869
2870 if (is_array(type))
2871 elem_type = type_array_get_element(type);
2872 else
2873 elem_type = type_pointer_get_ref(type);
2874
2875 if (type_get_type(elem_type) == TYPE_POINTER && is_array(type))
2876 return write_array_tfs(file, attrs, type, name, typestring_offset);
2877
2878 if (type_get_type(elem_type) != TYPE_BASIC)
2879 {
2880 error("write_string_tfs: Unimplemented for non-basic type %s\n", name);
2881 return start_offset;
2882 }
2883
2884 rtype = get_basic_fc(elem_type);
2885 if ((rtype != FC_BYTE) && (rtype != FC_CHAR) && (rtype != FC_WCHAR))
2886 {
2887 error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name);
2888 return start_offset;
2889 }
2890
2891 if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type))
2892 {
2893 unsigned int dim = type_array_get_dim(type);
2894
2895 if (is_processed) return start_offset;
2896
2897 /* FIXME: multi-dimensional array */
2898 if (0xffffu < dim)
2899 error("array size for parameter %s exceeds %u bytes by %u bytes\n",
2900 name, 0xffffu, dim - 0xffffu);
2901
2902 if (rtype == FC_WCHAR)
2903 WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
2904 else
2905 WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
2906 print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD);
2907 *typestring_offset += 2;
2908
2909 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)dim, dim);
2910 *typestring_offset += 2;
2911
2912 update_tfsoff(type, start_offset, file);
2913 return start_offset;
2914 }
2915 else if (is_conformant_array(type))
2916 {
2917 if (rtype == FC_WCHAR)
2918 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2919 else
2920 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2921 print_file(file, 2, "0x%x,\t/* FC_STRING_SIZED */\n", FC_STRING_SIZED);
2922 *typestring_offset += 2;
2923
2924 *typestring_offset += write_conf_or_var_desc(
2925 file, current_structure,
2926 (!type_array_is_decl_as_ptr(type) && current_structure
2927 ? type_memsize(current_structure)
2928 : 0),
2929 type, type_array_get_conformance(type));
2930
2931 update_tfsoff(type, start_offset, file);
2932 return start_offset;
2933 }
2934 else
2935 {
2936 if (is_processed) return start_offset;
2937
2938 if (rtype == FC_WCHAR)
2939 WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
2940 else
2941 WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
2942 print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD);
2943 *typestring_offset += 2;
2944
2945 update_tfsoff(type, start_offset, file);
2946 return start_offset;
2947 }
2948}
2949
2950static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
2951 const char *name, unsigned int *typestring_offset)
2952{
2953 const expr_t *length_is = type_array_get_variance(type);
2954 const expr_t *size_is = type_array_get_conformance(type);
2955 unsigned int align;
2956 unsigned int size;
2957 unsigned int start_offset;
2958 unsigned char fc;
2959 int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
2960 unsigned int baseoff
2961 = !type_array_is_decl_as_ptr(type) && current_structure
2962 ? type_memsize(current_structure)
2963 : 0;
2964
2965 if (!pointer_type)
2966 pointer_type = FC_RP;
2967
2968 if (!is_string_type(attrs, type_array_get_element(type)))
2969 write_embedded_types(file, attrs, type_array_get_element(type), name, FALSE, typestring_offset);
2970
2971 size = type_memsize(is_conformant_array(type) ? type_array_get_element(type) : type);
2972 align = type_buffer_alignment(is_conformant_array(type) ? type_array_get_element(type) : type);
2973 fc = get_array_fc(type);
2974
2975 start_offset = *typestring_offset;
2976 update_tfsoff(type, start_offset, file);
2977 print_start_tfs_comment(file, type, start_offset);
2978 print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc));
2979 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
2980 *typestring_offset += 2;
2981
2982 align = 0;
2983 if (fc != FC_BOGUS_ARRAY)
2984 {
2985 if (fc == FC_LGFARRAY || fc == FC_LGVARRAY)
2986 {
2987 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", size, size);
2988 *typestring_offset += 4;
2989 }
2990 else
2991 {
2992 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size);
2993 *typestring_offset += 2;
2994 }
2995
2996 if (is_conformant_array(type))
2997 *typestring_offset
2998 += write_conf_or_var_desc(file, current_structure, baseoff,
2999 type, size_is);
3000
3001 if (fc == FC_SMVARRAY || fc == FC_LGVARRAY)
3002 {
3003 unsigned int elsize = type_memsize(type_array_get_element(type));
3004 unsigned int dim = type_array_get_dim(type);
3005
3006 if (fc == FC_LGVARRAY)
3007 {
3008 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", dim, dim);
3009 *typestring_offset += 4;
3010 }
3011 else
3012 {
3013 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim);
3014 *typestring_offset += 2;
3015 }
3016
3017 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)elsize, elsize);
3018 *typestring_offset += 2;
3019 }
3020
3021 if (length_is)
3022 *typestring_offset
3023 += write_conf_or_var_desc(file, current_structure, baseoff,
3024 type, length_is);
3025
3026 if (type_has_pointers(type_array_get_element(type)) &&
3027 (type_array_is_decl_as_ptr(type) || !current_structure))
3028 {
3029 print_file(file, 2, "0x%x,\t/* FC_PP */\n", FC_PP);
3030 print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD);
3031 *typestring_offset += 2;
3032 write_pointer_description(file, is_string_type(attrs, type) ? attrs : NULL, type, typestring_offset);
3033 print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END);
3034 *typestring_offset += 1;
3035 }
3036
3037 write_array_element_type(file, is_string_type(attrs, type) ? attrs : NULL, type, FALSE, typestring_offset);
3038 write_end(file, typestring_offset);
3039 }
3040 else
3041 {
3042 unsigned int dim = size_is ? 0 : type_array_get_dim(type);
3043 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim);
3044 *typestring_offset += 2;
3045 *typestring_offset
3046 += write_conf_or_var_desc(file, current_structure, baseoff,
3047 type, size_is);
3048 *typestring_offset
3049 += write_conf_or_var_desc(file, current_structure, baseoff,
3050 type, length_is);
3051
3052 write_array_element_type(file, is_string_type(attrs, type) ? attrs : NULL, type, TRUE, typestring_offset);
3053 write_end(file, typestring_offset);
3054 }
3055
3056 return start_offset;
3057}
3058
3059static const var_t *find_array_or_string_in_struct(const type_t *type)
3060{
3061 const var_list_t *fields = type_struct_get_fields(type);
3062 const var_t *last_field;
3063 const type_t *ft;
3064
3065 if (!fields || list_empty(fields))
3066 return NULL;
3067
3068 last_field = LIST_ENTRY( list_tail(fields), const var_t, entry );
3069 ft = last_field->type;
3070
3071 if (is_conformant_array(ft) && !type_array_is_decl_as_ptr(ft))
3072 return last_field;
3073
3074 if (type_get_type(ft) == TYPE_STRUCT)
3075 return find_array_or_string_in_struct(ft);
3076 else
3077 return NULL;
3078}
3079
3080static void write_struct_members(FILE *file, const type_t *type,
3081 int is_complex, unsigned int *corroff,
3082 unsigned int *typestring_offset)
3083{
3084 const var_t *field;
3085 unsigned short offset = 0;
3086 unsigned int salign = 1;
3087 int padding;
3088 var_list_t *fields = type_struct_get_fields(type);
3089
3090 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
3091 {
3092 type_t *ft = field->type;
3093 unsigned int align = 0;
3094 unsigned int size = type_memsize_and_alignment(ft, &align);
3095 align = clamp_align(align);
3096 if (salign < align) salign = align;
3097
3098 if (!is_conformant_array(ft) || type_array_is_decl_as_ptr(ft))
3099 {
3100 if ((align - 1) & offset)
3101 {
3102 unsigned char fc = 0;
3103 switch (align)
3104 {
3105 case 2:
3106 fc = FC_ALIGNM2;
3107 break;
3108 case 4:
3109 fc = FC_ALIGNM4;
3110 break;
3111 case 8:
3112 fc = FC_ALIGNM8;
3113 break;
3114 default:
3115 error("write_struct_members: cannot align type %d\n", type_get_type(ft));
3116 }
3117 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
3118 offset = ROUND_SIZE(offset, align);
3119 *typestring_offset += 1;
3120 }
3121 write_member_type(file, type, is_complex, field->attrs, field->type, corroff,
3122 typestring_offset);
3123 offset += size;
3124 }
3125 }
3126
3127 padding = ROUNDING(offset, salign);
3128 if (padding)
3129 {
3130 print_file(file, 2, "0x%x,\t/* FC_STRUCTPAD%d */\n",
3131 FC_STRUCTPAD1 + padding - 1,
3132 padding);
3133 *typestring_offset += 1;
3134 }
3135
3136 write_end(file, typestring_offset);
3137}
3138
3139static unsigned int write_struct_tfs(FILE *file, type_t *type,
3140 const char *name, unsigned int *tfsoff)
3141{
3142 const type_t *save_current_structure = current_structure;
3143 unsigned int total_size;
3144 const var_t *array;
3145 unsigned int start_offset;
3146 unsigned int align;
3147 unsigned int corroff;
3148 var_t *f;
3149 unsigned char fc = get_struct_fc(type);
3150 var_list_t *fields = type_struct_get_fields(type);
3151
3152 if (processed(type)) return type->typestring_offset;
3153
3154 guard_rec(type);
3155 current_structure = type;
3156
3157 total_size = type_memsize(type);
3158 align = type_buffer_alignment(type);
3159 if (total_size > USHRT_MAX)
3160 error("structure size for %s exceeds %d bytes by %d bytes\n",
3161 name, USHRT_MAX, total_size - USHRT_MAX);
3162
3163 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
3164 write_embedded_types(file, f->attrs, f->type, f->name, FALSE, tfsoff);
3165
3166 array = find_array_or_string_in_struct(type);
3167 if (array && !processed(array->type))
3168 {
3169 if(is_string_type(array->attrs, array->type))
3170 write_string_tfs(file, array->attrs, array->type, TYPE_CONTEXT_CONTAINER, array->name, tfsoff);
3171 else
3172 write_array_tfs(file, array->attrs, array->type, array->name, tfsoff);
3173 }
3174
3175 corroff = *tfsoff;
3176 write_descriptors(file, type, tfsoff);
3177
3178 start_offset = *tfsoff;
3179 update_tfsoff(type, start_offset, file);
3180 print_start_tfs_comment(file, type, start_offset);
3181 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
3182 print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1);
3183 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)total_size, total_size);
3184 *tfsoff += 4;
3185
3186 if (array)
3187 {
3188 unsigned int absoff = array->type->typestring_offset;
3189 short reloff = absoff - *tfsoff;
3190 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
3191 reloff, reloff, absoff);
3192 *tfsoff += 2;
3193 }
3194 else if (fc == FC_BOGUS_STRUCT)
3195 {
3196 print_file(file, 2, "NdrFcShort(0x0),\n");
3197 *tfsoff += 2;
3198 }
3199
3200 if (fc == FC_BOGUS_STRUCT)
3201 {
3202 /* On the sizing pass, type->ptrdesc may be zero, but it's ok as
3203 nothing is written to file yet. On the actual writing pass,
3204 this will have been updated. */
3205 unsigned int absoff = type->ptrdesc ? type->ptrdesc : *tfsoff;
3206 int reloff = absoff - *tfsoff;
3207 assert( reloff >= 0 );
3208 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%u) */\n",
3209 (unsigned short)reloff, reloff, absoff);
3210 *tfsoff += 2;
3211 }
3212 else if ((fc == FC_PSTRUCT) ||
3213 (fc == FC_CPSTRUCT) ||
3214 (fc == FC_CVSTRUCT && type_has_pointers(type)))
3215 {
3216 print_file(file, 2, "0x%x,\t/* FC_PP */\n", FC_PP);
3217 print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD);
3218 *tfsoff += 2;
3219 write_pointer_description(file, NULL, type, tfsoff);
3220 print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END);
3221 *tfsoff += 1;
3222 }
3223
3224 write_struct_members(file, type, fc == FC_BOGUS_STRUCT, &corroff,
3225 tfsoff);
3226
3227 if (fc == FC_BOGUS_STRUCT)
3228 {
3229 const var_t *f;
3230
3231 type->ptrdesc = *tfsoff;
3232 if (fields) LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry)
3233 {
3234 type_t *ft = f->type;
3235 switch (typegen_detect_type(ft, f->attrs, TDT_IGNORE_STRINGS))
3236 {
3237 case TGT_POINTER:
3238 if (is_string_type(f->attrs, ft))
3239 write_string_tfs(file, f->attrs, ft, TYPE_CONTEXT_CONTAINER, f->name, tfsoff);
3240 else
3241 write_pointer_tfs(file, f->attrs, ft,
3242 type_pointer_get_ref(ft)->typestring_offset,
3243 TYPE_CONTEXT_CONTAINER, tfsoff);
3244 break;
3245 case TGT_ARRAY:
3246 if (type_array_is_decl_as_ptr(ft))
3247 {
3248 unsigned int offset;
3249
3250 print_file(file, 0, "/* %d */\n", *tfsoff);
3251
3252 offset = ft->typestring_offset;
3253 /* skip over the pointer that is written for strings, since a
3254 * pointer has to be written in-place here */
3255 if (is_string_type(f->attrs, ft))
3256 offset += 4;
3257 write_nonsimple_pointer(file, f->attrs, ft, TYPE_CONTEXT_CONTAINER, offset, tfsoff);
3258 }
3259 break;
3260 default:
3261 break;
3262 }
3263 }
3264 if (type->ptrdesc == *tfsoff)
3265 type->ptrdesc = 0;
3266 }
3267
3268 current_structure = save_current_structure;
3269 return start_offset;
3270}
3271
3272static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff)
3273{
3274 if (t == NULL)
3275 {
3276 print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n");
3277 }
3278 else
3279 {
3280 if (type_get_type(t) == TYPE_BASIC || type_get_type(t) == TYPE_ENUM)
3281 {
3282 unsigned char fc;
3283 if (type_get_type(t) == TYPE_BASIC)
3284 fc = get_basic_fc(t);
3285 else
3286 fc = get_enum_fc(t);
3287 print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n",
3288 fc, string_of_type(fc));
3289 }
3290 else if (t->typestring_offset)
3291 {
3292 short reloff = t->typestring_offset - *tfsoff;
3293 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%d) */\n",
3294 reloff, reloff, t->typestring_offset);
3295 }
3296 else
3297 error("write_branch_type: type unimplemented %d\n", type_get_type(t));
3298 }
3299
3300 *tfsoff += 2;
3301}
3302
3303static unsigned int write_union_tfs(FILE *file, const attr_list_t *attrs,
3304 type_t *type, unsigned int *tfsoff)
3305{
3306 unsigned int start_offset;
3307 unsigned int size;
3308 var_list_t *fields;
3309 unsigned int nbranch = 0;
3310 type_t *deftype = NULL;
3311 short nodeftype = 0xffff;
3312 unsigned int dummy;
3313 var_t *f;
3314
3315 if (processed(type) &&
3316 (type_get_type(type) == TYPE_ENCAPSULATED_UNION || !is_attr(type->attrs, ATTR_SWITCHTYPE)))
3317 return type->typestring_offset;
3318
3319 guard_rec(type);
3320
3321 fields = type_union_get_cases(type);
3322
3323 size = union_memsize(fields, &dummy);
3324
3325 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
3326 {
3327 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
3328 if (cases)
3329 nbranch += list_count(cases);
3330 if (f->type)
3331 write_embedded_types(file, f->attrs, f->type, f->name, TRUE, tfsoff);
3332 }
3333
3334 start_offset = *tfsoff;
3335 update_tfsoff(type, start_offset, file);
3336 print_start_tfs_comment(file, type, start_offset);
3337 if (type_get_type(type) == TYPE_ENCAPSULATED_UNION)
3338 {
3339 const var_t *sv = type_union_get_switch_value(type);
3340 const type_t *st = sv->type;
3341 unsigned int align = 0;
3342 unsigned char fc;
3343
3344 if (type_get_type(st) == TYPE_BASIC)
3345 {
3346 fc = get_basic_fc(st);
3347 switch (fc)
3348 {
3349 case FC_CHAR:
3350 case FC_SMALL:
3351 case FC_BYTE:
3352 case FC_USMALL:
3353 case FC_WCHAR:
3354 case FC_SHORT:
3355 case FC_USHORT:
3356 case FC_LONG:
3357 case FC_ULONG:
3358 break;
3359 default:
3360 fc = 0;
3361 error("union switch type must be an integer, char, or enum\n");
3362 }
3363 }
3364 else if (type_get_type(st) == TYPE_ENUM)
3365 fc = get_enum_fc(st);
3366 else
3367 error("union switch type must be an integer, char, or enum\n");
3368
3369 type_memsize_and_alignment(st, &align);
3370 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
3371 {
3372 if (f->type)
3373 type_memsize_and_alignment(f->type, &align);
3374 }
3375
3376 print_file(file, 2, "0x%x,\t/* FC_ENCAPSULATED_UNION */\n", FC_ENCAPSULATED_UNION);
3377 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
3378 (align << 4) | fc, string_of_type(fc));
3379 *tfsoff += 2;
3380 }
3381 else if (is_attr(type->attrs, ATTR_SWITCHTYPE))
3382 {
3383 const expr_t *switch_is = get_attrp(attrs, ATTR_SWITCHIS);
3384 const type_t *st = get_attrp(type->attrs, ATTR_SWITCHTYPE);
3385 unsigned char fc;
3386
3387 if (type_get_type(st) == TYPE_BASIC)
3388 {
3389 fc = get_basic_fc(st);
3390 switch (fc)
3391 {
3392 case FC_CHAR:
3393 case FC_SMALL:
3394 case FC_USMALL:
3395 case FC_SHORT:
3396 case FC_USHORT:
3397 case FC_LONG:
3398 case FC_ULONG:
3399 case FC_ENUM16:
3400 case FC_ENUM32:
3401 break;
3402 default:
3403 fc = 0;
3404 error("union switch type must be an integer, char, or enum\n");
3405 }
3406 }
3407 else if (type_get_type(st) == TYPE_ENUM)
3408 fc = get_enum_fc(st);
3409 else
3410 error("union switch type must be an integer, char, or enum\n");
3411
3412 print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", FC_NON_ENCAPSULATED_UNION);
3413 print_file(file, 2, "0x%x,\t/* Switch type= %s */\n",
3414 fc, string_of_type(fc));
3415 *tfsoff += 2;
3416 *tfsoff += write_conf_or_var_desc(file, current_structure, 0, st, switch_is );
3417 print_file(file, 2, "NdrFcShort(0x2),\t/* Offset= 2 (%u) */\n", *tfsoff + 2);
3418 *tfsoff += 2;
3419 print_file(file, 0, "/* %u */\n", *tfsoff);
3420 }
3421
3422 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)size, size);
3423 print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)nbranch, nbranch);
3424 *tfsoff += 4;
3425
3426 if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry)
3427 {
3428 type_t *ft = f->type;
3429 expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE);
3430 int deflt = is_attr(f->attrs, ATTR_DEFAULT);
3431 expr_t *c;
3432
3433 if (cases == NULL && !deflt)
3434 error("union field %s with neither case nor default attribute\n", f->name);
3435
3436 if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry)
3437 {
3438 /* MIDL doesn't check for duplicate cases, even though that seems
3439 like a reasonable thing to do, it just dumps them to the TFS
3440 like we're going to do here. */
3441 print_file(file, 2, "NdrFcLong(0x%x),\t/* %d */\n", c->cval, c->cval);
3442 *tfsoff += 4;
3443 write_branch_type(file, ft, tfsoff);
3444 }
3445
3446 /* MIDL allows multiple default branches, even though that seems
3447 illogical, it just chooses the last one, which is what we will
3448 do. */
3449 if (deflt)
3450 {
3451 deftype = ft;
3452 nodeftype = 0;
3453 }
3454 }
3455
3456 if (deftype)
3457 {
3458 write_branch_type(file, deftype, tfsoff);
3459 }
3460 else
3461 {
3462 print_file(file, 2, "NdrFcShort(0x%hx),\n", nodeftype);
3463 *tfsoff += 2;
3464 }
3465
3466 return start_offset;
3467}
3468
3469static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type,
3470 unsigned int *typeformat_offset)
3471{
3472 unsigned int i;
3473 unsigned int start_offset = *typeformat_offset;
3474 expr_t *iid = get_attrp(attrs, ATTR_IIDIS);
3475
3476 if (!iid && processed(type)) return type->typestring_offset;
3477
3478 print_start_tfs_comment(file, type, start_offset);
3479 update_tfsoff(type, start_offset, file);
3480
3481 if (iid)
3482 {
3483 print_file(file, 2, "0x2f, /* FC_IP */\n");
3484 print_file(file, 2, "0x5c, /* FC_PAD */\n");
3485 *typeformat_offset
3486 += write_conf_or_var_desc(file, current_structure, 0, type, iid) + 2;
3487 }
3488 else
3489 {
3490 const type_t *base = is_ptr(type) ? type_pointer_get_ref(type) : type;
3491 const UUID *uuid = get_attrp(base->attrs, ATTR_UUID);
3492
3493 if (! uuid)
3494 error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
3495
3496 print_file(file, 2, "0x2f,\t/* FC_IP */\n");
3497 print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n");
3498 print_file(file, 2, "NdrFcLong(0x%08x),\n", uuid->Data1);
3499 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2);
3500 print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3);
3501 for (i = 0; i < 8; ++i)
3502 print_file(file, 2, "0x%02x,\n", uuid->Data4[i]);
3503
3504 if (file)
3505 fprintf(file, "\n");
3506
3507 *typeformat_offset += 18;
3508 }
3509 return start_offset;
3510}
3511
3512static unsigned int write_contexthandle_tfs(FILE *file,
3513 const attr_list_t *attrs,
3514 type_t *type,
3515 int toplevel_param,
3516 unsigned int *typeformat_offset)
3517{
3518 unsigned int start_offset = *typeformat_offset;
3519 unsigned char flags = get_contexthandle_flags( current_iface, attrs, type );
3520
3521 print_start_tfs_comment(file, type, start_offset);
3522
3523 if (flags & 0x80) /* via ptr */
3524 {
3525 int pointer_type = get_pointer_fc( type, attrs, toplevel_param );
3526 if (!pointer_type) pointer_type = FC_RP;
3527 *typeformat_offset += 4;
3528 print_file(file, 2,"0x%x, 0x0,\t/* %s */\n", pointer_type, string_of_type(pointer_type) );
3529 print_file(file, 2, "NdrFcShort(0x2),\t /* Offset= 2 (%u) */\n", *typeformat_offset);
3530 print_file(file, 0, "/* %2u */\n", *typeformat_offset);
3531 }
3532
3533 print_file(file, 2, "0x%02x,\t/* FC_BIND_CONTEXT */\n", FC_BIND_CONTEXT);
3534 print_file(file, 2, "0x%x,\t/* Context flags: ", flags);
3535 /* return and can't be null values overlap */
3536 if (((flags & 0x21) != 0x21) && (flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL))
3537 print_file(file, 0, "can't be null, ");
3538 if (flags & NDR_CONTEXT_HANDLE_SERIALIZE)
3539 print_file(file, 0, "serialize, ");
3540 if (flags & NDR_CONTEXT_HANDLE_NOSERIALIZE)
3541 print_file(file, 0, "no serialize, ");
3542 if (flags & NDR_STRICT_CONTEXT_HANDLE)
3543 print_file(file, 0, "strict, ");
3544 if ((flags & 0x21) == 0x20)
3545 print_file(file, 0, "out, ");
3546 if ((flags & 0x21) == 0x21)
3547 print_file(file, 0, "return, ");
3548 if (flags & 0x40)
3549 print_file(file, 0, "in, ");
3550 if (flags & 0x80)
3551 print_file(file, 0, "via ptr, ");
3552 print_file(file, 0, "*/\n");
3553 print_file(file, 2, "0x%x,\t/* rundown routine */\n", get_context_handle_offset( type ));
3554 print_file(file, 2, "0, /* FIXME: param num */\n");
3555 *typeformat_offset += 4;
3556
3557 update_tfsoff( type, start_offset, file );
3558 return start_offset;
3559}
3560
3561static unsigned int write_range_tfs(FILE *file, const attr_list_t *attrs,
3562 type_t *type, expr_list_t *range_list,
3563 unsigned int *typeformat_offset)
3564{
3565 unsigned char fc;
3566 unsigned int start_offset = *typeformat_offset;
3567 const expr_t *range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry);
3568 const expr_t *range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
3569
3570 if (type_get_type(type) == TYPE_BASIC)
3571 fc = get_basic_fc(type);
3572 else
3573 fc = get_enum_fc(type);
3574
3575 /* fc must fit in lower 4-bits of 8-bit field below */
3576 assert(fc <= 0xf);
3577
3578 print_file(file, 0, "/* %u */\n", *typeformat_offset);
3579 print_file(file, 2, "0x%x,\t/* FC_RANGE */\n", FC_RANGE);
3580 print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
3581 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_min->cval, range_min->cval);
3582 print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_max->cval, range_max->cval);
3583 update_tfsoff( type, start_offset, file );
3584 *typeformat_offset += 10;
3585
3586 return start_offset;
3587}
3588
3589static unsigned int write_type_tfs(FILE *file, int indent,
3590 const attr_list_t *attrs, type_t *type,
3591 const char *name,
3592 enum type_context context,
3593 unsigned int *typeformat_offset)
3594{
3595 unsigned int offset;
3596
3597 switch (typegen_detect_type(type, attrs, TDT_ALL_TYPES))
3598 {
3599 case TGT_CTXT_HANDLE:
3600 case TGT_CTXT_HANDLE_POINTER:
3601 return write_contexthandle_tfs(file, attrs, type,
3602 context == TYPE_CONTEXT_TOPLEVELPARAM, typeformat_offset);
3603 case TGT_USER_TYPE:
3604 return write_user_tfs(file, type, typeformat_offset);
3605 case TGT_STRING:
3606 return write_string_tfs(file, attrs, type, context, name, typeformat_offset);
3607 case TGT_ARRAY:
3608 {
3609 unsigned int off;
3610 /* conformant and pointer arrays are handled specially */
3611 if ((context != TYPE_CONTEXT_CONTAINER &&
3612 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS) ||
3613 !is_conformant_array(type) || type_array_is_decl_as_ptr(type))
3614 off = write_array_tfs(file, attrs, type, name, typeformat_offset);
3615 else
3616 off = 0;
3617 if (context != TYPE_CONTEXT_CONTAINER &&
3618 context != TYPE_CONTEXT_CONTAINER_NO_POINTERS)
3619 {
3620 int ptr_type;
3621 ptr_type = get_pointer_fc(type, attrs,
3622 context == TYPE_CONTEXT_TOPLEVELPARAM);
3623 if (ptr_type != FC_RP || type_array_is_decl_as_ptr(type))
3624 {
3625 unsigned int absoff = type->typestring_offset;
3626 short reloff = absoff - (*typeformat_offset + 2);
3627 off = *typeformat_offset;
3628 print_file(file, 0, "/* %d */\n", off);
3629 print_file(file, 2, "0x%x, 0x0,\t/* %s */\n", ptr_type,
3630 string_of_type(ptr_type));
3631 print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n",
3632 reloff, reloff, absoff);
3633 if (ptr_type != FC_RP) update_tfsoff( type, off, file );
3634 *typeformat_offset += 4;
3635 }
3636 type->details.array.ptr_tfsoff = off;
3637 }
3638 return off;
3639 }
3640 case TGT_STRUCT:
3641 return write_struct_tfs(file, type, name, typeformat_offset);
3642 case TGT_UNION:
3643 return write_union_tfs(file, attrs, type, typeformat_offset);
3644 case TGT_ENUM:
3645 case TGT_BASIC:
3646 /* nothing to do */
3647 return 0;
3648 case TGT_RANGE:
3649 {
3650 expr_list_t *range_list = get_attrp(attrs, ATTR_RANGE);
3651 if (!range_list)
3652 range_list = get_aliaschain_attrp(type, ATTR_RANGE);
3653 return write_range_tfs(file, attrs, type, range_list, typeformat_offset);
3654 }
3655 case TGT_IFACE_POINTER:
3656 return write_ip_tfs(file, attrs, type, typeformat_offset);
3657 case TGT_POINTER:
3658 {
3659 enum type_context ref_context;
3660 unsigned int toplevel_offset = *typeformat_offset;
3661 type_t *ref = type_pointer_get_ref(type);
3662
3663 if (