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wine/tools/widl/write_msft.c

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  1 /*
  2  *      Typelib v2 (MSFT) generation
  3  *
  4  *      Copyright 2004  Alastair Bridgewater
  5  *                2004, 2005 Huw Davies
  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  *  Known problems:
 23  *
 24  *    Badly incomplete.
 25  *
 26  *    Only works on little-endian systems.
 27  *
 28  */
 29 
 30 #include "config.h"
 31 #include "wine/port.h"
 32 
 33 #include <stdlib.h>
 34 #include <string.h>
 35 #include <stdarg.h>
 36 #include <stdio.h>
 37 #include <ctype.h>
 38 #include <time.h>
 39 
 40 #define NONAMELESSUNION
 41 #define NONAMELESSSTRUCT
 42 
 43 #include "winerror.h"
 44 #include "windef.h"
 45 #include "winbase.h"
 46 #include "winnls.h"
 47 
 48 #include "widltypes.h"
 49 #include "typelib.h"
 50 #include "typelib_struct.h"
 51 #include "utils.h"
 52 #include "header.h"
 53 #include "hash.h"
 54 #include "typetree.h"
 55 
 56 enum MSFT_segment_index {
 57     MSFT_SEG_TYPEINFO = 0,  /* type information */
 58     MSFT_SEG_IMPORTINFO,    /* import information */
 59     MSFT_SEG_IMPORTFILES,   /* import filenames */
 60     MSFT_SEG_REFERENCES,    /* references (?) */
 61     MSFT_SEG_GUIDHASH,      /* hash table for guids? */
 62     MSFT_SEG_GUID,          /* guid storage */
 63     MSFT_SEG_NAMEHASH,      /* hash table for names */
 64     MSFT_SEG_NAME,          /* name storage */
 65     MSFT_SEG_STRING,        /* string storage */
 66     MSFT_SEG_TYPEDESC,      /* type descriptions */
 67     MSFT_SEG_ARRAYDESC,     /* array descriptions */
 68     MSFT_SEG_CUSTDATA,      /* custom data */
 69     MSFT_SEG_CUSTDATAGUID,  /* custom data guids */
 70     MSFT_SEG_UNKNOWN,       /* ??? */
 71     MSFT_SEG_UNKNOWN2,      /* ??? */
 72     MSFT_SEG_MAX            /* total number of segments */
 73 };
 74 
 75 typedef struct tagMSFT_ImpFile {
 76     int guid;
 77     LCID lcid;
 78     int version;
 79     char filename[0]; /* preceded by two bytes of encoded (length << 2) + flags in the low two bits. */
 80 } MSFT_ImpFile;
 81 
 82 typedef struct _msft_typelib_t
 83 {
 84     typelib_t *typelib;
 85     MSFT_Header typelib_header;
 86     MSFT_pSeg typelib_segdir[MSFT_SEG_MAX];
 87     char *typelib_segment_data[MSFT_SEG_MAX];
 88     int typelib_segment_block_length[MSFT_SEG_MAX];
 89 
 90     INT typelib_typeinfo_offsets[0x200]; /* Hope that's enough. */
 91 
 92     INT *typelib_namehash_segment;
 93     INT *typelib_guidhash_segment;
 94 
 95     INT help_string_dll_offset;
 96 
 97     struct _msft_typeinfo_t *typeinfos;
 98     struct _msft_typeinfo_t *last_typeinfo;
 99 } msft_typelib_t;
100 
101 typedef struct _msft_typeinfo_t
102 {
103     msft_typelib_t *typelib;
104     MSFT_TypeInfoBase *typeinfo;
105 
106     int typekind;
107 
108     unsigned int var_data_allocated;
109     int *var_data;
110 
111     unsigned int func_data_allocated;
112     int *func_data;
113 
114     int vars_allocated;
115     int *var_indices;
116     int *var_names;
117     int *var_offsets;
118 
119     int funcs_allocated;
120     int *func_indices;
121     int *func_names;
122     int *func_offsets;
123 
124     int datawidth;
125 
126     struct _msft_typeinfo_t *next_typeinfo;
127 } msft_typeinfo_t;
128 
129 
130 
131 /*================== Internal functions ===================================*/
132 
133 /****************************************************************************
134  *      ctl2_init_header
135  *
136  *  Initializes the type library header of a new typelib.
137  */
138 static void ctl2_init_header(
139         msft_typelib_t *typelib) /* [I] The typelib to initialize. */
140 {
141     typelib->typelib_header.magic1 = 0x5446534d;
142     typelib->typelib_header.magic2 = 0x00010002;
143     typelib->typelib_header.posguid = -1;
144     typelib->typelib_header.lcid = 0x0409; /* or do we use the current one? */
145     typelib->typelib_header.lcid2 = 0x0;
146     typelib->typelib_header.varflags = 0x40;
147     typelib->typelib_header.version = 0;
148     typelib->typelib_header.flags = 0;
149     typelib->typelib_header.nrtypeinfos = 0;
150     typelib->typelib_header.helpstring = -1;
151     typelib->typelib_header.helpstringcontext = 0;
152     typelib->typelib_header.helpcontext = 0;
153     typelib->typelib_header.nametablecount = 0;
154     typelib->typelib_header.nametablechars = 0;
155     typelib->typelib_header.NameOffset = -1;
156     typelib->typelib_header.helpfile = -1;
157     typelib->typelib_header.CustomDataOffset = -1;
158     typelib->typelib_header.res44 = 0x20;
159     typelib->typelib_header.res48 = 0x80;
160     typelib->typelib_header.dispatchpos = -1;
161     typelib->typelib_header.nimpinfos = 0;
162 }
163 
164 /****************************************************************************
165  *      ctl2_init_segdir
166  *
167  *  Initializes the segment directory of a new typelib.
168  */
169 static void ctl2_init_segdir(
170         msft_typelib_t *typelib) /* [I] The typelib to initialize. */
171 {
172     int i;
173     MSFT_pSeg *segdir;
174 
175     segdir = &typelib->typelib_segdir[MSFT_SEG_TYPEINFO];
176 
177     for (i = 0; i < 15; i++) {
178         segdir[i].offset = -1;
179         segdir[i].length = 0;
180         segdir[i].res08 = -1;
181         segdir[i].res0c = 0x0f;
182     }
183 }
184 
185 /****************************************************************************
186  *      ctl2_hash_guid
187  *
188  *  Generates a hash key from a GUID.
189  *
190  * RETURNS
191  *
192  *  The hash key for the GUID.
193  */
194 static int ctl2_hash_guid(
195         REFGUID guid)                /* [I] The guid to hash. */
196 {
197     int hash;
198     int i;
199 
200     hash = 0;
201     for (i = 0; i < 8; i ++) {
202         hash ^= ((const short *)guid)[i];
203     }
204 
205     return hash & 0x1f;
206 }
207 
208 /****************************************************************************
209  *      ctl2_find_guid
210  *
211  *  Locates a guid in a type library.
212  *
213  * RETURNS
214  *
215  *  The offset into the GUID segment of the guid, or -1 if not found.
216  */
217 static int ctl2_find_guid(
218         msft_typelib_t *typelib,   /* [I] The typelib to operate against. */
219         int hash_key,              /* [I] The hash key for the guid. */
220         REFGUID guid)              /* [I] The guid to find. */
221 {
222     int offset;
223     MSFT_GuidEntry *guidentry;
224 
225     offset = typelib->typelib_guidhash_segment[hash_key];
226     while (offset != -1) {
227         guidentry = (MSFT_GuidEntry *)&typelib->typelib_segment_data[MSFT_SEG_GUID][offset];
228 
229         if (!memcmp(guidentry, guid, sizeof(GUID))) return offset;
230 
231         offset = guidentry->next_hash;
232     }
233 
234     return offset;
235 }
236 
237 /****************************************************************************
238  *      ctl2_find_name
239  *
240  *  Locates a name in a type library.
241  *
242  * RETURNS
243  *
244  *  The offset into the NAME segment of the name, or -1 if not found.
245  *
246  * NOTES
247  *
248  *  The name must be encoded as with ctl2_encode_name().
249  */
250 static int ctl2_find_name(
251         msft_typelib_t *typelib,   /* [I] The typelib to operate against. */
252         char *name)                /* [I] The encoded name to find. */
253 {
254     int offset;
255     int *namestruct;
256 
257     offset = typelib->typelib_namehash_segment[name[2] & 0x7f];
258     while (offset != -1) {
259         namestruct = (int *)&typelib->typelib_segment_data[MSFT_SEG_NAME][offset];
260 
261         if (!((namestruct[2] ^ *((int *)name)) & 0xffff00ff)) {
262             /* hash codes and lengths match, final test */
263             if (!strncasecmp(name+4, (void *)(namestruct+3), name[0])) break;
264         }
265 
266         /* move to next item in hash bucket */
267         offset = namestruct[1];
268     }
269 
270     return offset;
271 }
272 
273 /****************************************************************************
274  *      ctl2_encode_name
275  *
276  *  Encodes a name string to a form suitable for storing into a type library
277  *  or comparing to a name stored in a type library.
278  *
279  * RETURNS
280  *
281  *  The length of the encoded name, including padding and length+hash fields.
282  *
283  * NOTES
284  *
285  *  Will throw an exception if name or result are NULL. Is not multithread
286  *  safe in the slightest.
287  */
288 static int ctl2_encode_name(
289         msft_typelib_t *typelib,   /* [I] The typelib to operate against (used for LCID only). */
290         const char *name,          /* [I] The name string to encode. */
291         char **result)             /* [O] A pointer to a pointer to receive the encoded name. */
292 {
293     int length;
294     static char converted_name[0x104];
295     int offset;
296     int value;
297 
298     length = strlen(name);
299     memcpy(converted_name + 4, name, length);
300 
301     converted_name[length + 4] = 0;
302 
303 
304     value = lhash_val_of_name_sys(typelib->typelib_header.varflags & 0x0f, typelib->typelib_header.lcid, converted_name + 4);
305 
306 #ifdef WORDS_BIGENDIAN
307     converted_name[3] = length & 0xff;
308     converted_name[2] = 0x00;
309     converted_name[1] = value;
310     converted_name[0] = value >> 8;
311 #else
312     converted_name[0] = length & 0xff;
313     converted_name[1] = 0x00;
314     converted_name[2] = value;
315     converted_name[3] = value >> 8;
316 #endif
317 
318     for (offset = (4 - length) & 3; offset; offset--) converted_name[length + offset + 3] = 0x57;
319 
320     *result = converted_name;
321 
322     return (length + 7) & ~3;
323 }
324 
325 /****************************************************************************
326  *      ctl2_encode_string
327  *
328  *  Encodes a string to a form suitable for storing into a type library or
329  *  comparing to a string stored in a type library.
330  *
331  * RETURNS
332  *
333  *  The length of the encoded string, including padding and length fields.
334  *
335  * NOTES
336  *
337  *  Will throw an exception if string or result are NULL. Is not multithread
338  *  safe in the slightest.
339  */
340 static int ctl2_encode_string(
341         const char *string,        /* [I] The string to encode. */
342         char **result)             /* [O] A pointer to a pointer to receive the encoded string. */
343 {
344     int length;
345     static char converted_string[0x104];
346     int offset;
347 
348     length = strlen(string);
349     memcpy(converted_string + 2, string, length);
350 
351 #ifdef WORDS_BIGENDIAN
352     converted_string[1] = length & 0xff;
353     converted_string[0] = (length >> 8) & 0xff;
354 #else
355     converted_string[0] = length & 0xff;
356     converted_string[1] = (length >> 8) & 0xff;
357 #endif
358 
359     if(length < 3) { /* strings of this length are padded with up to 8 bytes incl the 2 byte length */
360         for(offset = 0; offset < 4; offset++)
361             converted_string[length + offset + 2] = 0x57;
362         length += 4;
363     }
364     for (offset = (4 - (length + 2)) & 3; offset; offset--) converted_string[length + offset + 1] = 0x57;
365 
366     *result = converted_string;
367 
368     return (length + 5) & ~3;
369 }
370 
371 /****************************************************************************
372  *      ctl2_alloc_segment
373  *
374  *  Allocates memory from a segment in a type library.
375  *
376  * RETURNS
377  *
378  *  Success: The offset within the segment of the new data area.
379  *
380  * BUGS
381  *
382  *  Does not (yet) handle the case where the allocated segment memory needs to grow.
383  */
384 static int ctl2_alloc_segment(
385         msft_typelib_t *typelib,         /* [I] The type library in which to allocate. */
386         enum MSFT_segment_index segment, /* [I] The segment in which to allocate. */
387         int size,                        /* [I] The amount to allocate. */
388         int block_size)                  /* [I] Initial allocation block size, or 0 for default. */
389 {
390     int offset;
391 
392     if(!typelib->typelib_segment_data[segment]) {
393         if (!block_size) block_size = 0x2000;
394 
395         typelib->typelib_segment_block_length[segment] = block_size;
396         typelib->typelib_segment_data[segment] = xmalloc(block_size);
397         if (!typelib->typelib_segment_data[segment]) return -1;
398         memset(typelib->typelib_segment_data[segment], 0x57, block_size);
399     }
400 
401     while ((typelib->typelib_segdir[segment].length + size) > typelib->typelib_segment_block_length[segment]) {
402         char *block;
403 
404         block_size = typelib->typelib_segment_block_length[segment];
405         block = xrealloc(typelib->typelib_segment_data[segment], block_size << 1);
406 
407         if (segment == MSFT_SEG_TYPEINFO) {
408             /* TypeInfos have a direct pointer to their memory space, so we have to fix them up. */
409             msft_typeinfo_t *typeinfo;
410 
411             for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
412                 typeinfo->typeinfo = (void *)&block[((char *)typeinfo->typeinfo) - typelib->typelib_segment_data[segment]];
413             }
414         }
415 
416         memset(block + block_size, 0x57, block_size);
417         typelib->typelib_segment_block_length[segment] = block_size << 1;
418         typelib->typelib_segment_data[segment] = block;
419     }
420 
421     offset = typelib->typelib_segdir[segment].length;
422     typelib->typelib_segdir[segment].length += size;
423 
424     return offset;
425 }
426 
427 /****************************************************************************
428  *      ctl2_alloc_typeinfo
429  *
430  *  Allocates and initializes a typeinfo structure in a type library.
431  *
432  * RETURNS
433  *
434  *  Success: The offset of the new typeinfo.
435  *  Failure: -1 (this is invariably an out of memory condition).
436  */
437 static int ctl2_alloc_typeinfo(
438         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
439         int nameoffset)            /* [I] The offset of the name for this typeinfo. */
440 {
441     int offset;
442     MSFT_TypeInfoBase *typeinfo;
443 
444     offset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEINFO, sizeof(MSFT_TypeInfoBase), 0);
445 
446     typelib->typelib_typeinfo_offsets[typelib->typelib_header.nrtypeinfos++] = offset;
447 
448     typeinfo = (void *)(typelib->typelib_segment_data[MSFT_SEG_TYPEINFO] + offset);
449 
450     typeinfo->typekind = (typelib->typelib_header.nrtypeinfos - 1) << 16;
451     typeinfo->memoffset = -1; /* should be EOF if no elements */
452     typeinfo->res2 = 0;
453     typeinfo->res3 = -1;
454     typeinfo->res4 = 3;
455     typeinfo->res5 = 0;
456     typeinfo->cElement = 0;
457     typeinfo->res7 = 0;
458     typeinfo->res8 = 0;
459     typeinfo->res9 = 0;
460     typeinfo->resA = 0;
461     typeinfo->posguid = -1;
462     typeinfo->flags = 0;
463     typeinfo->NameOffset = nameoffset;
464     typeinfo->version = 0;
465     typeinfo->docstringoffs = -1;
466     typeinfo->helpstringcontext = 0;
467     typeinfo->helpcontext = 0;
468     typeinfo->oCustData = -1;
469     typeinfo->cbSizeVft = 0;
470     typeinfo->cImplTypes = 0;
471     typeinfo->size = 0;
472     typeinfo->datatype1 = -1;
473     typeinfo->datatype2 = 0;
474     typeinfo->res18 = 0;
475     typeinfo->res19 = -1;
476 
477     return offset;
478 }
479 
480 /****************************************************************************
481  *      ctl2_alloc_guid
482  *
483  *  Allocates and initializes a GUID structure in a type library. Also updates
484  *  the GUID hash table as needed.
485  *
486  * RETURNS
487  *
488  *  Success: The offset of the new GUID.
489  */
490 static int ctl2_alloc_guid(
491         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
492         MSFT_GuidEntry *guid)      /* [I] The GUID to store. */
493 {
494     int offset;
495     MSFT_GuidEntry *guid_space;
496     int hash_key;
497 
498     hash_key = ctl2_hash_guid(&guid->guid);
499 
500     offset = ctl2_find_guid(typelib, hash_key, &guid->guid);
501     if (offset != -1) return offset;
502 
503     offset = ctl2_alloc_segment(typelib, MSFT_SEG_GUID, sizeof(MSFT_GuidEntry), 0);
504 
505     guid_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_GUID] + offset);
506     *guid_space = *guid;
507 
508     guid_space->next_hash = typelib->typelib_guidhash_segment[hash_key];
509     typelib->typelib_guidhash_segment[hash_key] = offset;
510 
511     return offset;
512 }
513 
514 /****************************************************************************
515  *      ctl2_alloc_name
516  *
517  *  Allocates and initializes a name within a type library. Also updates the
518  *  name hash table as needed.
519  *
520  * RETURNS
521  *
522  *  Success: The offset within the segment of the new name.
523  *  Failure: -1 (this is invariably an out of memory condition).
524  */
525 static int ctl2_alloc_name(
526         msft_typelib_t *typelib,  /* [I] The type library to allocate in. */
527         const char *name)         /* [I] The name to store. */
528 {
529     int length;
530     int offset;
531     MSFT_NameIntro *name_space;
532     char *encoded_name;
533 
534     length = ctl2_encode_name(typelib, name, &encoded_name);
535 
536     offset = ctl2_find_name(typelib, encoded_name);
537     if (offset != -1) return offset;
538 
539     offset = ctl2_alloc_segment(typelib, MSFT_SEG_NAME, length + 8, 0);
540 
541     name_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_NAME] + offset);
542     name_space->hreftype = -1;
543     name_space->next_hash = -1;
544     memcpy(&name_space->namelen, encoded_name, length);
545 
546     if (typelib->typelib_namehash_segment[encoded_name[2] & 0x7f] != -1)
547         name_space->next_hash = typelib->typelib_namehash_segment[encoded_name[2] & 0x7f];
548 
549     typelib->typelib_namehash_segment[encoded_name[2] & 0x7f] = offset;
550 
551     typelib->typelib_header.nametablecount += 1;
552     typelib->typelib_header.nametablechars += *encoded_name;
553 
554     return offset;
555 }
556 
557 /****************************************************************************
558  *      ctl2_alloc_string
559  *
560  *  Allocates and initializes a string in a type library.
561  *
562  * RETURNS
563  *
564  *  Success: The offset within the segment of the new string.
565  *  Failure: -1 (this is invariably an out of memory condition).
566  */
567 static int ctl2_alloc_string(
568         msft_typelib_t *typelib,  /* [I] The type library to allocate in. */
569         const char *string)       /* [I] The string to store. */
570 {
571     int length;
572     int offset;
573     char *string_space;
574     char *encoded_string;
575 
576     length = ctl2_encode_string(string, &encoded_string);
577 
578     for (offset = 0; offset < typelib->typelib_segdir[MSFT_SEG_STRING].length;
579          offset += ((((typelib->typelib_segment_data[MSFT_SEG_STRING][offset + 1] << 8) & 0xff)
580              | (typelib->typelib_segment_data[MSFT_SEG_STRING][offset + 0] & 0xff)) + 5) & ~3) {
581         if (!memcmp(encoded_string, typelib->typelib_segment_data[MSFT_SEG_STRING] + offset, length)) return offset;
582     }
583 
584     offset = ctl2_alloc_segment(typelib, MSFT_SEG_STRING, length, 0);
585 
586     string_space = typelib->typelib_segment_data[MSFT_SEG_STRING] + offset;
587     memcpy(string_space, encoded_string, length);
588 
589     return offset;
590 }
591 
592 /****************************************************************************
593  *      alloc_msft_importinfo
594  *
595  *  Allocates and initializes an import information structure in a type library.
596  *
597  * RETURNS
598  *
599  *  Success: The offset of the new importinfo.
600  *  Failure: -1 (this is invariably an out of memory condition).
601  */
602 static int alloc_msft_importinfo(
603         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
604         MSFT_ImpInfo *impinfo)     /* [I] The import information to store. */
605 {
606     int offset;
607     MSFT_ImpInfo *impinfo_space;
608 
609     for (offset = 0;
610          offset < typelib->typelib_segdir[MSFT_SEG_IMPORTINFO].length;
611          offset += sizeof(MSFT_ImpInfo)) {
612         if (!memcmp(&(typelib->typelib_segment_data[MSFT_SEG_IMPORTINFO][offset]),
613                     impinfo, sizeof(MSFT_ImpInfo))) {
614             return offset;
615         }
616     }
617 
618     impinfo->flags |= typelib->typelib_header.nimpinfos++;
619 
620     offset = ctl2_alloc_segment(typelib, MSFT_SEG_IMPORTINFO, sizeof(MSFT_ImpInfo), 0);
621 
622     impinfo_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_IMPORTINFO] + offset);
623     *impinfo_space = *impinfo;
624 
625     return offset;
626 }
627 
628 /****************************************************************************
629  *      alloc_importfile
630  *
631  *  Allocates and initializes an import file definition in a type library.
632  *
633  * RETURNS
634  *
635  *  Success: The offset of the new importinfo.
636  *  Failure: -1 (this is invariably an out of memory condition).
637  */
638 static int alloc_importfile(
639         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
640         int guidoffset,            /* [I] The offset to the GUID for the imported library. */
641         int major_version,         /* [I] The major version number of the imported library. */
642         int minor_version,         /* [I] The minor version number of the imported library. */
643         const char *filename)      /* [I] The filename of the imported library. */
644 {
645     int length;
646     int offset;
647     MSFT_ImpFile *importfile;
648     char *encoded_string;
649 
650     length = ctl2_encode_string(filename, &encoded_string);
651 
652     encoded_string[0] <<= 2;
653     encoded_string[0] |= 1;
654 
655     for (offset = 0; offset < typelib->typelib_segdir[MSFT_SEG_IMPORTFILES].length;
656          offset += ((((typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset + 0xd] << 8) & 0xff)
657              | (typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset + 0xc] & 0xff)) >> 2) + 0xc) {
658         if (!memcmp(encoded_string, typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES] + offset + 0xc, length)) return offset;
659     }
660 
661     offset = ctl2_alloc_segment(typelib, MSFT_SEG_IMPORTFILES, length + 0xc, 0);
662 
663     importfile = (MSFT_ImpFile *)&typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset];
664     importfile->guid = guidoffset;
665     importfile->lcid = typelib->typelib_header.lcid2;
666     importfile->version = major_version | (minor_version << 16);
667     memcpy(&importfile->filename, encoded_string, length);
668 
669     return offset;
670 }
671 
672 static void alloc_importinfo(msft_typelib_t *typelib, importinfo_t *importinfo)
673 {
674     importlib_t *importlib = importinfo->importlib;
675 
676     chat("alloc_importinfo: %s\n", importinfo->name);
677 
678     if(!importlib->allocated) {
679         MSFT_GuidEntry guid;
680         int guid_idx;
681 
682         chat("allocating importlib %s\n", importlib->name);
683 
684         importlib->allocated = -1;
685 
686         memcpy(&guid.guid, &importlib->guid, sizeof(GUID));
687         guid.hreftype = 2;
688 
689         guid_idx = ctl2_alloc_guid(typelib, &guid);
690 
691         alloc_importfile(typelib, guid_idx, importlib->version&0xffff,
692                          importlib->version>>16, importlib->name);
693     }
694 
695     if(importinfo->offset == -1 || !(importinfo->flags & MSFT_IMPINFO_OFFSET_IS_GUID)) {
696         MSFT_ImpInfo impinfo;
697 
698         impinfo.flags = importinfo->flags;
699         impinfo.oImpFile = 0;
700 
701         if(importinfo->flags & MSFT_IMPINFO_OFFSET_IS_GUID) {
702             MSFT_GuidEntry guid;
703 
704             guid.hreftype = 0;
705             memcpy(&guid.guid, &importinfo->guid, sizeof(GUID));
706 
707             impinfo.oGuid = ctl2_alloc_guid(typelib, &guid);
708 
709             importinfo->offset = alloc_msft_importinfo(typelib, &impinfo);
710 
711             typelib->typelib_segment_data[MSFT_SEG_GUID][impinfo.oGuid+sizeof(GUID)]
712                 = importinfo->offset+1;
713 
714             if(!strcmp(importinfo->name, "IDispatch"))
715                 typelib->typelib_header.dispatchpos = importinfo->offset+1;
716         }else {
717             impinfo.oGuid = importinfo->id;
718             importinfo->offset = alloc_msft_importinfo(typelib, &impinfo);
719         }
720     }
721 }
722 
723 static importinfo_t *find_importinfo(msft_typelib_t *typelib, const char *name)
724 {
725     importlib_t *importlib;
726     int i;
727 
728     chat("search importlib %s\n", name);
729 
730     if(!name)
731         return NULL;
732 
733     LIST_FOR_EACH_ENTRY( importlib, &typelib->typelib->importlibs, importlib_t, entry )
734     {
735         for(i=0; i < importlib->ntypeinfos; i++) {
736             if(!strcmp(name, importlib->importinfos[i].name)) {
737                 chat("Found %s in importlib.\n", name);
738                 return importlib->importinfos+i;
739             }
740         }
741     }
742 
743     return NULL;
744 }
745 
746 static void add_structure_typeinfo(msft_typelib_t *typelib, type_t *structure);
747 static void add_interface_typeinfo(msft_typelib_t *typelib, type_t *interface);
748 static void add_enum_typeinfo(msft_typelib_t *typelib, type_t *enumeration);
749 static void add_coclass_typeinfo(msft_typelib_t *typelib, type_t *cls);
750 static void add_dispinterface_typeinfo(msft_typelib_t *typelib, type_t *dispinterface);
751 
752 
753 /****************************************************************************
754  *      encode_type
755  *
756  *  Encodes a type, storing information in the TYPEDESC and ARRAYDESC
757  *  segments as needed.
758  *
759  * RETURNS
760  *
761  *  Success: 0.
762  *  Failure: -1.
763  */
764 static int encode_type(
765         msft_typelib_t *typelib,   /* [I] The type library in which to encode the TYPEDESC. */
766         int vt,                    /* [I] vt to encode */
767         type_t *type,              /* [I] type */
768         int *encoded_type,         /* [O] The encoded type description. */
769         int *width,                /* [O] The width of the type, or NULL. */
770         int *alignment,            /* [O] The alignment of the type, or NULL. */
771         int *decoded_size)         /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
772 {
773     int default_type;
774     int scratch;
775     int typeoffset;
776     int *typedata;
777     int target_type;
778     int child_size = 0;
779 
780     chat("encode_type vt %d type %p\n", vt, type);
781 
782     default_type = 0x80000000 | (vt << 16) | vt;
783     if (!width) width = &scratch;
784     if (!alignment) alignment = &scratch;
785     if (!decoded_size) decoded_size = &scratch;
786 
787 
788     switch (vt) {
789     case VT_I1:
790     case VT_UI1:
791         *encoded_type = default_type;
792         *width = 1;
793         *alignment = 1;
794         break;
795 
796     case VT_INT:
797         *encoded_type = 0x80000000 | (VT_I4 << 16) | VT_INT;
798         if ((typelib->typelib_header.varflags & 0x0f) == SYS_WIN16) {
799             *width = 2;
800             *alignment = 2;
801         } else {
802             *width = 4;
803             *alignment = 4;
804         }
805         break;
806 
807     case VT_UINT:
808         *encoded_type = 0x80000000 | (VT_UI4 << 16) | VT_UINT;
809         if ((typelib->typelib_header.varflags & 0x0f) == SYS_WIN16) {
810             *width = 2;
811             *alignment = 2;
812         } else {
813             *width = 4;
814             *alignment = 4;
815         }
816         break;
817 
818     case VT_UI2:
819     case VT_I2:
820     case VT_BOOL:
821         *encoded_type = default_type;
822         *width = 2;
823         *alignment = 2;
824         break;
825 
826     case VT_I4:
827     case VT_UI4:
828     case VT_R4:
829     case VT_ERROR:
830     case VT_BSTR:
831     case VT_HRESULT:
832         *encoded_type = default_type;
833         *width = 4;
834         *alignment = 4;
835         break;
836 
837     case VT_R8:
838     case VT_I8:
839     case VT_UI8:
840         *encoded_type = default_type;
841         *width = 8;
842         *alignment = 8;
843         break;
844 
845     case VT_CY:
846     case VT_DATE:
847         *encoded_type = default_type;
848         *width = 8;
849         *alignment = 8;
850         break;
851 
852     case VT_VOID:
853         *encoded_type = 0x80000000 | (VT_EMPTY << 16) | vt;
854         *width = 0;
855         *alignment = 1;
856         break;
857 
858     case VT_UNKNOWN:
859     case VT_DISPATCH:
860         *encoded_type = default_type;
861         *width = 4;
862         *alignment = 4;
863         break;
864 
865     case VT_VARIANT:
866         *encoded_type = default_type;
867         break;
868 
869     case VT_LPSTR:
870     case VT_LPWSTR:
871         *encoded_type = 0xfffe0000 | vt;
872         *width = 4;
873         *alignment = 4;
874         break;
875 
876     case VT_PTR:
877       {
878         int next_vt;
879         for(next_vt = 0; is_ptr(type); type = type_pointer_get_ref(type)) {
880             next_vt = get_type_vt(type_pointer_get_ref(type));
881             if (next_vt != 0)
882                 break;
883         }
884         /* if no type found then it must be void */
885         if (next_vt == 0)
886             next_vt = VT_VOID;
887 
888         encode_type(typelib, next_vt, type_pointer_get_ref(type),
889                     &target_type, NULL, NULL, &child_size);
890         /* these types already have an implicit pointer, so we don't need to
891          * add another */
892         if(next_vt == VT_DISPATCH || next_vt == VT_UNKNOWN) {
893             chat("encode_type: skipping ptr\n");
894             *encoded_type = target_type;
895             *width = 4;
896             *alignment = 4;
897             *decoded_size = child_size;
898             break;
899         }
900 
901         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
902             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
903             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
904         }
905 
906         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
907             int mix_field;
908             
909             if (target_type & 0x80000000) {
910                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
911             } else {
912                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
913                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
914             }
915 
916             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
917             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
918 
919             typedata[0] = (mix_field << 16) | VT_PTR;
920             typedata[1] = target_type;
921         }
922 
923         *encoded_type = typeoffset;
924 
925         *width = 4;
926         *alignment = 4;
927         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
928         break;
929     }
930 
931 
932     case VT_SAFEARRAY:
933         {
934         int next_vt;
935 
936         /* skip over SAFEARRAY type straight to element type */
937         type = type->ref;
938 
939         for(next_vt = 0; type->ref; type = type->ref) {
940             next_vt = get_type_vt(type->ref);
941             if (next_vt != 0)
942                 break;
943         }
944 
945         encode_type(typelib, next_vt, type->ref, &target_type, NULL, NULL, &child_size);
946 
947         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
948             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
949             if (((typedata[0] & 0xffff) == VT_SAFEARRAY) && (typedata[1] == target_type)) break;
950         }
951 
952         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
953             int mix_field;
954             
955             if (target_type & 0x80000000) {
956                 mix_field = ((target_type >> 16) & VT_TYPEMASK) | VT_ARRAY;
957             } else {
958                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
959                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
960             }
961 
962             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
963             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
964 
965             typedata[0] = (mix_field << 16) | VT_SAFEARRAY;
966             typedata[1] = target_type;
967         }
968 
969         *encoded_type = typeoffset;
970 
971         *width = 4;
972         *alignment = 4;
973         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
974         break;
975         }
976 
977 
978     case VT_USERDEFINED:
979       {
980         int typeinfo_offset;
981 
982         /* typedef'd types without public attribute aren't included in the typelib */
983         while (type->typelib_idx < 0 && type_is_alias(type) && !is_attr(type->attrs, ATTR_PUBLIC))
984           type = type_alias_get_aliasee(type);
985 
986         chat("encode_type: VT_USERDEFINED - type %p name = %s type->type %d idx %d\n", type,
987              type->name, type->type, type->typelib_idx);
988 
989         if(type->typelib_idx == -1) {
990             chat("encode_type: trying to ref not added type\n");
991             switch(type->type) {
992             case RPC_FC_STRUCT:
993             case RPC_FC_PSTRUCT:
994             case RPC_FC_CSTRUCT:
995             case RPC_FC_CPSTRUCT:
996             case RPC_FC_CVSTRUCT:
997             case RPC_FC_BOGUS_STRUCT:
998                 add_structure_typeinfo(typelib, type);
999                 break;
1000             case RPC_FC_IP:
1001                 add_interface_typeinfo(typelib, type);
1002                 break;
1003             case RPC_FC_ENUM16:
1004                 add_enum_typeinfo(typelib, type);
1005                 break;
1006             case RPC_FC_COCLASS:
1007                 add_coclass_typeinfo(typelib, type);
1008                 break;
1009             case 0:
1010                 error("encode_type: VT_USERDEFINED - can't yet add typedef's on the fly\n");
1011                 break;
1012             default:
1013                 error("encode_type: VT_USERDEFINED - unhandled type %d\n", type->type);
1014             }
1015         }
1016 
1017         typeinfo_offset = typelib->typelib_typeinfo_offsets[type->typelib_idx];
1018         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1019             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1020             if ((typedata[0] == ((0x7fff << 16) | VT_USERDEFINED)) && (typedata[1] == typeinfo_offset)) break;
1021         }
1022 
1023         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1024             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1025             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1026 
1027             typedata[0] = (0x7fff << 16) | VT_USERDEFINED;
1028             typedata[1] = typeinfo_offset;
1029         }
1030 
1031         *encoded_type = typeoffset;
1032         *width = 0;
1033         *alignment = 1;
1034         break;
1035       }
1036 
1037     default:
1038         error("encode_type: unrecognized type %d.\n", vt);
1039         *encoded_type = default_type;
1040         *width = 0;
1041         *alignment = 1;
1042         break;
1043     }
1044 
1045     return 0;
1046 }
1047 
1048 static void dump_type(type_t *t)
1049 {
1050     chat("dump_type: %p name %s type %d ref %p attrs %p\n", t, t->name, t->type, t->ref, t->attrs);
1051     if(t->ref) dump_type(t->ref);
1052 }
1053 
1054 static int encode_var(
1055         msft_typelib_t *typelib,   /* [I] The type library in which to encode the TYPEDESC. */
1056         type_t *type,              /* [I] The type description to encode. */
1057         var_t *var,                /* [I] The var to encode. */
1058         int *encoded_type,         /* [O] The encoded type description. */
1059         int *width,                /* [O] The width of the type, or NULL. */
1060         int *alignment,            /* [O] The alignment of the type, or NULL. */
1061         int *decoded_size)         /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
1062 {
1063     int typeoffset;
1064     int *typedata;
1065     int target_type;
1066     int child_size;
1067     int vt;
1068     int scratch;
1069 
1070     if (!width) width = &scratch;
1071     if (!alignment) alignment = &scratch;
1072     if (!decoded_size) decoded_size = &scratch;
1073     *decoded_size = 0;
1074 
1075     chat("encode_var: var %p type %p type->name %s type->ref %p\n",
1076          var, type, type->name ? type->name : "NULL", type->ref);
1077 
1078     if (type->declarray) {
1079         int num_dims, elements = 1, arrayoffset;
1080         type_t *atype;
1081         int *arraydata;
1082 
1083         num_dims = 0;
1084         for (atype = type; atype->declarray; atype = type_array_get_element(atype))
1085             ++num_dims;
1086 
1087         chat("array with %d dimensions\n", num_dims);
1088         encode_var(typelib, atype, var, &target_type, width, alignment, NULL);
1089         arrayoffset = ctl2_alloc_segment(typelib, MSFT_SEG_ARRAYDESC, (2 + 2 * num_dims) * sizeof(long), 0);
1090         arraydata = (void *)&typelib->typelib_segment_data[MSFT_SEG_ARRAYDESC][arrayoffset];
1091 
1092         arraydata[0] = target_type;
1093         arraydata[1] = num_dims;
1094         arraydata[1] |= ((num_dims * 2 * sizeof(long)) << 16);
1095 
1096         arraydata += 2;
1097         for (atype = type; atype->declarray; atype = type_array_get_element(atype))
1098         {
1099             arraydata[0] = type_array_get_dim(atype);
1100             arraydata[1] = 0;
1101             arraydata += 2;
1102             elements *= type_array_get_dim(atype);
1103         }
1104 
1105         typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1106         typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1107 
1108         typedata[0] = (0x7ffe << 16) | VT_CARRAY;
1109         typedata[1] = arrayoffset;
1110 
1111         *encoded_type = typeoffset;
1112         *width = *width * elements;
1113         *decoded_size = 20 /*sizeof(ARRAYDESC)*/ + (num_dims - 1) * 8 /*sizeof(SAFEARRAYBOUND)*/;
1114         return 0;
1115     }
1116 
1117     vt = get_type_vt(type);
1118     if (vt == VT_PTR) {
1119         type_t *ref = is_ptr(type) ?
1120             type_pointer_get_ref(type) : type_array_get_element(type);
1121         int skip_ptr = encode_var(typelib, ref, var,
1122                                   &target_type, NULL, NULL, &child_size);
1123 
1124         if(skip_ptr == 2) {
1125             chat("encode_var: skipping ptr\n");
1126             *encoded_type = target_type;
1127             *decoded_size = child_size;
1128             *width = 4;
1129             *alignment = 4;
1130             return 0;
1131         }
1132 
1133         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1134             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1135             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
1136         }
1137 
1138         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1139             int mix_field;
1140             
1141             if (target_type & 0x80000000) {
1142                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
1143             } else {
1144                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
1145                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
1146             }
1147 
1148             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1149             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1150 
1151             typedata[0] = (mix_field << 16) | VT_PTR;
1152             typedata[1] = target_type;
1153         }
1154 
1155         *encoded_type = typeoffset;
1156 
1157         *width = 4;
1158         *alignment = 4;
1159         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
1160         return 0;
1161     }
1162 
1163     dump_type(type);
1164 
1165     encode_type(typelib, vt, type, encoded_type, width, alignment, decoded_size);
1166     /* these types already have an implicit pointer, so we don't need to
1167      * add another */
1168     if(vt == VT_DISPATCH || vt == VT_UNKNOWN) return 2;
1169     return 0;
1170 }
1171 
1172 static unsigned long get_ulong_val(unsigned long val, int vt)
1173 {
1174     switch(vt) {
1175     case VT_I2:
1176     case VT_BOOL:
1177     case VT_UI2:
1178         return val & 0xffff;
1179     case VT_I1:
1180     case VT_UI1:
1181         return val & 0xff;
1182     }
1183 
1184     return val;
1185 }
1186 
1187 static void write_value(msft_typelib_t* typelib, int *out, int vt, const void *value)
1188 {
1189     switch(vt) {
1190     case VT_I2:
1191     case VT_I4:
1192     case VT_R4:
1193     case VT_BOOL:
1194     case VT_I1:
1195     case VT_UI1:
1196     case VT_UI2:
1197     case VT_UI4:
1198     case VT_INT:
1199     case VT_UINT:
1200     case VT_HRESULT:
1201     case VT_PTR:
1202       {
1203         const unsigned long lv = get_ulong_val(*(const unsigned long*)value, vt);
1204         if((lv & 0x3ffffff) == lv) {
1205             *out = 0x80000000;
1206             *out |= vt << 26;
1207             *out |= lv;
1208         } else {
1209             int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, 8, 0);
1210             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1211             memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2], value, 4);
1212             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6]) = 0x5757;
1213             *out = offset;
1214         }
1215         return;
1216       }
1217     case VT_BSTR:
1218       {
1219         const char *s = (const char *) value;
1220         int len = strlen(s), seg_len = (len + 6 + 3) & ~0x3;
1221         int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, seg_len, 0);
1222         *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1223         *((unsigned int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2]) = len;        
1224         memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6], value, len);
1225         len += 6;
1226         while(len < seg_len) {
1227             *((char *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+len]) = 0x57;
1228             len++;
1229         }
1230         *out = offset;
1231         return;
1232       }
1233 
1234     default:
1235         warning("can't write value of type %d yet\n", vt);
1236     }
1237     return;
1238 }
1239 
1240 static HRESULT set_custdata(msft_typelib_t *typelib, REFGUID guid,
1241                             int vt, void *value, int *offset)
1242 {
1243     MSFT_GuidEntry guidentry;
1244     int guidoffset;
1245     int custoffset;
1246     int *custdata;
1247     int data_out;
1248 
1249     guidentry.guid = *guid;
1250 
1251     guidentry.hreftype = -1;
1252     guidentry.next_hash = -1;
1253 
1254     guidoffset = ctl2_alloc_guid(typelib, &guidentry);
1255     write_value(typelib, &data_out, vt, value);
1256 
1257     custoffset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATAGUID, 12, 0);
1258 
1259     custdata = (int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATAGUID][custoffset];
1260     custdata[0] = guidoffset;
1261     custdata[1] = data_out;
1262     custdata[2] = *offset;
1263     *offset = custoffset;
1264 
1265     return S_OK;
1266 }
1267 
1268 static HRESULT add_func_desc(msft_typeinfo_t* typeinfo, var_t *func, int index)
1269 {
1270     int offset, name_offset;
1271     int *typedata, typedata_size;
1272     int i, id, next_idx;
1273     int decoded_size, extra_attr = 0;
1274     int num_params = 0, num_optional = 0, num_defaults = 0;
1275     var_t *arg;
1276     char *namedata;
1277     const attr_t *attr;
1278     unsigned int funcflags = 0, callconv = 4 /* CC_STDCALL */;
1279     unsigned int funckind, invokekind = 1 /* INVOKE_FUNC */;
1280     int help_context = 0, help_string_context = 0, help_string_offset = -1;
1281     int entry = -1, entry_is_ord = 0;
1282 
1283     chat("add_func_desc(%p,%d)\n", typeinfo, index);
1284 
1285     id = ((0x6000 | (typeinfo->typeinfo->datatype2 & 0xffff)) << 16) | index;
1286 
1287     switch(typeinfo->typekind) {
1288     case TKIND_DISPATCH:
1289         funckind = 0x4; /* FUNC_DISPATCH */
1290         break;
1291     case TKIND_MODULE:
1292         funckind = 0x3; /* FUNC_STATIC */
1293         break;
1294     default:
1295         funckind = 0x1; /* FUNC_PUREVIRTUAL */
1296         break;
1297     }
1298 
1299     if (is_local( func->attrs )) {
1300         chat("add_func_desc: skipping local function\n");
1301         return S_FALSE;
1302     }
1303 
1304     if (type_get_function_args(func->type))
1305       LIST_FOR_EACH_ENTRY( arg, type_get_function_args(func->type), var_t, entry )
1306       {
1307         num_params++;
1308         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1309             if(attr->type == ATTR_DEFAULTVALUE)
1310                 num_defaults++;
1311             else if(attr->type == ATTR_OPTIONAL)
1312                 num_optional++;
1313         }
1314       }
1315 
1316     chat("add_func_desc: num of params %d\n", num_params);
1317 
1318     name_offset = ctl2_alloc_name(typeinfo->typelib, func->name);
1319 
1320     if (func->attrs) LIST_FOR_EACH_ENTRY( attr, func->attrs, const attr_t, entry ) {
1321         expr_t *expr = attr->u.pval;
1322         switch(attr->type) {
1323         case ATTR_BINDABLE:
1324             funcflags |= 0x4; /* FUNCFLAG_FBINDABLE */
1325             break;
1326         /* FIXME: FUNCFLAG_FDEFAULTBIND */
1327         case ATTR_DEFAULTCOLLELEM:
1328             funcflags |= 0x100; /* FUNCFLAG_FDEFAULTCOLLELEM */
1329             break;
1330         case ATTR_DISPLAYBIND:
1331             funcflags |= 0x10; /* FUNCFLAG_FDISPLAYBIND */
1332             break;
1333         case ATTR_ENTRY:
1334             extra_attr = max(extra_attr, 3);
1335             if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1336               entry = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1337             else {
1338               entry = expr->cval;
1339               entry_is_ord = 1;
1340             }
1341             break;
1342         case ATTR_HELPCONTEXT:
1343             extra_attr = max(extra_attr, 1);
1344             help_context = expr->u.lval;
1345             break;
1346         case ATTR_HELPSTRING:
1347             extra_attr = max(extra_attr, 2);
1348             help_string_offset = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1349             break;
1350         case ATTR_HELPSTRINGCONTEXT:
1351             extra_attr = max(extra_attr, 6);
1352             help_string_context = expr->u.lval;
1353             break;
1354         case ATTR_HIDDEN:
1355             funcflags |= 0x40; /* FUNCFLAG_FHIDDEN */
1356             break;
1357         case ATTR_ID:
1358             id = expr->cval;
1359             break;
1360         case ATTR_IMMEDIATEBIND:
1361             funcflags |= 0x1000; /* FUNCFLAG_FIMMEDIATEBIND */
1362             break;
1363         case ATTR_NONBROWSABLE:
1364             funcflags |= 0x400; /* FUNCFLAG_FNONBROWSABLE */
1365             break;
1366         case ATTR_OUT:
1367             break;
1368         case ATTR_PROPGET:
1369             invokekind = 0x2; /* INVOKE_PROPERTYGET */
1370             break;
1371         case ATTR_PROPPUT:
1372             invokekind = 0x4; /* INVOKE_PROPERTYPUT */
1373             break;
1374         case ATTR_PROPPUTREF:
1375             invokekind = 0x8; /* INVOKE_PROPERTYPUTREF */
1376             break;
1377         /* FIXME: FUNCFLAG_FREPLACEABLE */
1378         case ATTR_REQUESTEDIT:
1379             funcflags |= 0x8; /* FUNCFLAG_FREQUESTEDIT */
1380             break;
1381         case ATTR_RESTRICTED:
1382             funcflags |= 0x1; /* FUNCFLAG_FRESTRICTED */
1383             break;
1384         case ATTR_SOURCE:
1385             funcflags |= 0x2; /* FUNCFLAG_FSOURCE */
1386             break;
1387         /* FIXME: FUNCFLAG_FUIDEFAULT */
1388         /* FIXME: FUNCFLAG_FUSESGETLASTERROR */
1389         case ATTR_VARARG:
1390             if (num_optional || num_defaults)
1391                 warning("add_func_desc: ignoring vararg in function with optional or defaultvalue params\n");
1392             else
1393                 num_optional = -1;
1394             break;
1395         default:
1396             break;
1397         }
1398     }
1399 
1400     /* allocate type data space for us */
1401     typedata_size = 0x18 + extra_attr * sizeof(int) + (num_params * (num_defaults ? 16 : 12));
1402 
1403     if (!typeinfo->func_data) {
1404         typeinfo->func_data = xmalloc(0x100);
1405         typeinfo->func_data_allocated = 0x100;
1406         typeinfo->func_data[0] = 0;
1407     }
1408 
1409     if(typeinfo->func_data[0] + typedata_size + sizeof(int) > typeinfo->func_data_allocated) {
1410         typeinfo->func_data_allocated = max(typeinfo->func_data_allocated * 2,
1411                                             typeinfo->func_data[0] + typedata_size + sizeof(int));
1412         typeinfo->func_data = xrealloc(typeinfo->func_data, typeinfo->func_data_allocated);
1413     }
1414 
1415     offset = typeinfo->func_data[0];
1416     typeinfo->func_data[0] += typedata_size;
1417     typedata = typeinfo->func_data + (offset >> 2) + 1;
1418 
1419 
1420     /* find func with the same name - if it exists use its id */
1421     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1422         if(name_offset == typeinfo->func_names[i]) {
1423             id = typeinfo->func_indices[i];
1424             break;
1425         }
1426     }
1427 
1428     /* find the first func with the same id and link via the hiword of typedata[4] */
1429     next_idx = index;
1430     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1431         if(id == typeinfo->func_indices[i]) {
1432             next_idx = typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] >> 16;
1433             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] &= 0xffff;
1434             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] |= (index << 16);
1435             break;
1436         }
1437     }
1438 
1439     /* fill out the basic type information */
1440     typedata[0] = typedata_size | (index << 16);
1441     encode_var(typeinfo->typelib, type_function_get_rettype(func->type), func, &typedata[1], NULL, NULL, &decoded_size);
1442     typedata[2] = funcflags;
1443     typedata[3] = ((52 /*sizeof(FUNCDESC)*/ + decoded_size) << 16) | typeinfo->typeinfo->cbSizeVft;
1444     typedata[4] = (next_idx << 16) | (callconv << 8) | (invokekind << 3) | funckind;
1445     if(num_defaults) typedata[4] |= 0x1000;
1446     if(entry_is_ord) typedata[4] |= 0x2000;
1447     typedata[5] = (num_optional << 16) | num_params;
1448 
1449     /* NOTE: High word of typedata[3] is total size of FUNCDESC + size of all ELEMDESCs for params + TYPEDESCs for pointer params and return types. */
1450     /* That is, total memory allocation required to reconstitute the FUNCDESC in its entirety. */
1451     typedata[3] += (16 /*sizeof(ELEMDESC)*/ * num_params) << 16;
1452     typedata[3] += (24 /*sizeof(PARAMDESCEX)*/ * num_defaults) << 16;
1453 
1454     switch(extra_attr) {
1455     case 6: typedata[11] = help_string_context;
1456     case 5: typedata[10] = -1;
1457     case 4: typedata[9] = -1;
1458     case 3: typedata[8] = entry;
1459     case 2: typedata[7] = help_string_offset;
1460     case 1: typedata[6] = help_context;
1461     case 0:
1462         break;
1463     default:
1464         warning("unknown number of optional attrs\n");
1465     }
1466 
1467     if (type_get_function_args(func->type))
1468     {
1469       i = 0;
1470       LIST_FOR_EACH_ENTRY( arg, type_get_function_args(func->type), var_t, entry )
1471       {
1472         int paramflags = 0;
1473         int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1474         int *defaultdata = num_defaults ? typedata + 6 + extra_attr + i : NULL;
1475 
1476         if(defaultdata) *defaultdata = -1;
1477 
1478         encode_var(typeinfo->typelib, arg->type, arg, paramdata, NULL, NULL, &decoded_size);
1479         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1480             switch(attr->type) {
1481             case ATTR_DEFAULTVALUE:
1482               {
1483                 int vt;
1484                 expr_t *expr = (expr_t *)attr->u.pval;
1485                 if (arg->type->type == RPC_FC_ENUM16)
1486                     vt = VT_INT;
1487                 else
1488                     vt = get_type_vt(arg->type);
1489                 paramflags |= 0x30; /* PARAMFLAG_FHASDEFAULT | PARAMFLAG_FOPT */
1490                 if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1491                 {
1492                   if (vt != VT_BSTR) error("string default value applied to non-string type\n");
1493                   chat("default value '%s'\n", expr->u.sval);
1494                   write_value(typeinfo->typelib, defaultdata, vt, expr->u.sval);
1495                 }
1496                 else
1497                 {
1498                   chat("default value %ld\n", expr->cval);
1499                   write_value(typeinfo->typelib, defaultdata, vt, &expr->cval);
1500                 }
1501                 break;
1502               }
1503             case ATTR_IN:
1504                 paramflags |= 0x01; /* PARAMFLAG_FIN */
1505                 break;
1506             case ATTR_OPTIONAL:
1507                 paramflags |= 0x10; /* PARAMFLAG_FOPT */
1508                 break;
1509             case ATTR_OUT:
1510                 paramflags |= 0x02; /* PARAMFLAG_FOUT */
1511                 break;
1512             case ATTR_RETVAL:
1513                 paramflags |= 0x08; /* PARAMFLAG_FRETVAL */
1514                 typedata[4] |= 0x4000;
1515                 break;
1516             default:
1517                 chat("unhandled param attr %d\n", attr->type);
1518                 break;
1519             }
1520         }
1521         paramdata[1] = -1;
1522         paramdata[2] = paramflags;
1523         typedata[3] += decoded_size << 16;
1524         i++;
1525       }
1526     }
1527 
1528     if(typeinfo->funcs_allocated == 0) {
1529         typeinfo->funcs_allocated = 10;
1530         typeinfo->func_indices = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1531         typeinfo->func_names   = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1532         typeinfo->func_offsets = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1533     }
1534     if(typeinfo->funcs_allocated == (typeinfo->typeinfo->cElement & 0xffff)) {
1535         typeinfo->funcs_allocated *= 2;
1536         typeinfo->func_indices = xrealloc(typeinfo->func_indices, typeinfo->funcs_allocated * sizeof(int));
1537         typeinfo->func_names   = xrealloc(typeinfo->func_names,   typeinfo->funcs_allocated * sizeof(int));
1538         typeinfo->func_offsets = xrealloc(typeinfo->func_offsets, typeinfo->funcs_allocated * sizeof(int));
1539     }
1540 
1541     /* update the index data */
1542     typeinfo->func_indices[typeinfo->typeinfo->cElement & 0xffff] = id; 
1543     typeinfo->func_offsets[typeinfo->typeinfo->cElement & 0xffff] = offset;
1544     typeinfo->func_names[typeinfo->typeinfo->cElement & 0xffff] = name_offset;
1545 
1546     /* ??? */
1547     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x20;
1548     typeinfo->typeinfo->res2 <<= 1;
1549     /* ??? */
1550     if (index < 2) typeinfo->typeinfo->res2 += num_params << 4;
1551 
1552     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1553     typeinfo->typeinfo->res3 += 0x38 + num_params * 0x10;
1554     if(num_defaults) typeinfo->typeinfo->res3 += num_params * 0x4;
1555 
1556     /* adjust size of VTBL */
1557     if(funckind != 0x3 /* FUNC_STATIC */)
1558         typeinfo->typeinfo->cbSizeVft += 4;
1559 
1560     /* Increment the number of function elements */
1561     typeinfo->typeinfo->cElement += 1;
1562 
1563     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + name_offset;
1564     if (*((INT *)namedata) == -1) {
1565         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1566         if(typeinfo->typekind == TKIND_MODULE)
1567             namedata[9] |= 0x10;
1568     } else
1569         namedata[9] &= ~0x10;
1570 
1571     if(typeinfo->typekind == TKIND_MODULE)
1572         namedata[9] |= 0x20;
1573 
1574     if (type_get_function_args(func->type))
1575     {
1576         i = 0;
1577         LIST_FOR_EACH_ENTRY( arg, type_get_function_args(func->type), var_t, entry )
1578         {
1579             /* don't give the last arg of a [propput*] func a name */
1580             if(i != num_params - 1 || (invokekind != 0x4 /* INVOKE_PROPERTYPUT */ && invokekind != 0x8 /* INVOKE_PROPERTYPUTREF */))
1581             {
1582                 int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1583                 offset = ctl2_alloc_name(typeinfo->typelib, arg->name);
1584                 paramdata[1] = offset;
1585             }
1586             i++;
1587         }
1588     }
1589     return S_OK;
1590 }
1591 
1592 static HRESULT add_var_desc(msft_typeinfo_t *typeinfo, UINT index, var_t* var)
1593 {
1594     int offset, id;
1595     unsigned int typedata_size;
1596     INT *typedata;
1597     int var_datawidth;
1598     int var_alignment;
1599     int var_type_size, var_kind = 0 /* VAR_PERINSTANCE */; 
1600     int alignment;
1601     int varflags = 0;
1602     const attr_t *attr;
1603     char *namedata;
1604     int var_num = (typeinfo->typeinfo->cElement >> 16) & 0xffff;
1605 
1606     chat("add_var_desc(%d, %s)\n", index, var->name);
1607 
1608     id = 0x40000000 + index;
1609 
1610     if (var->attrs) LIST_FOR_EACH_ENTRY( attr, var->attrs, const attr_t, entry ) {
1611         expr_t *expr = attr->u.pval;
1612         switch(attr->type) {
1613         case ATTR_BINDABLE:
1614             varflags |= 0x04; /* VARFLAG_FBINDABLE */
1615             break;
1616         /* FIXME: VARFLAG_FDEFAULTBIND */
1617         case ATTR_DEFAULTCOLLELEM:
1618             varflags |= 0x100; /* VARFLAG_FDEFAULTCOLLELEM */
1619             break;
1620         case ATTR_DISPLAYBIND:
1621             varflags |= 0x10; /* VARFLAG_FDISPLAYBIND */
1622             break;
1623         case ATTR_HIDDEN:
1624             varflags |= 0x40; /* VARFLAG_FHIDDEN */
1625             break;
1626         case ATTR_ID:
1627             id = expr->cval;
1628             break;
1629         case ATTR_IMMEDIATEBIND:
1630             varflags |= 0x1000; /* VARFLAG_FIMMEDIATEBIND */
1631             break;
1632         case ATTR_NONBROWSABLE:
1633             varflags |= 0x400; /* VARFLAG_FNONBROWSABLE */
1634             break;
1635         case ATTR_READONLY:
1636             varflags |= 0x01; /* VARFLAG_FREADONLY */
1637             break;
1638         /* FIXME: VARFLAG_FREPLACEABLE */
1639         case ATTR_REQUESTEDIT:
1640             varflags |= 0x08; /* VARFLAG_FREQUESTEDIT */
1641             break;
1642         case ATTR_RESTRICTED:
1643             varflags |= 0x80; /* VARFLAG_FRESTRICTED */
1644             break;
1645         case ATTR_SOURCE:
1646             varflags |= 0x02; /* VARFLAG_FSOURCE */
1647             break;
1648         /* FIXME: VARFLAG_FUIDEFAULT */
1649         default:
1650             break;
1651         }
1652     }
1653 
1654     /* allocate type data space for us */
1655     typedata_size = 0x14;
1656 
1657     if (!typeinfo->var_data) {
1658         typeinfo->var_data = xmalloc(0x100);
1659         typeinfo->var_data_allocated = 0x100;
1660         typeinfo->var_data[0] = 0;
1661     }
1662 
1663     if(typeinfo->var_data[0] + typedata_size + sizeof(int) > typeinfo->var_data_allocated) {
1664         typeinfo->var_data_allocated = max(typeinfo->var_data_allocated * 2,
1665                                             typeinfo->var_data[0] + typedata_size + sizeof(int));
1666         typeinfo->var_data = xrealloc(typeinfo->var_data, typeinfo->var_data_allocated);
1667     }
1668 
1669     offset = typeinfo->var_data[0];
1670     typeinfo->var_data[0] += typedata_size;
1671     typedata = typeinfo->var_data + (offset >> 2) + 1;
1672 
1673     /* fill out the basic type information */
1674     typedata[0] = typedata_size | (index << 16);
1675     typedata[2] = varflags;
1676     typedata[3] = (36 /*sizeof(VARDESC)*/ << 16) | 0;
1677 
1678     if(typeinfo->vars_allocated == 0) {
1679         typeinfo->vars_allocated = 10;
1680         typeinfo->var_indices = xmalloc(typeinfo->vars_allocated * sizeof(int));
1681         typeinfo->var_names   = xmalloc(typeinfo->vars_allocated * sizeof(int));
1682         typeinfo->var_offsets = xmalloc(typeinfo->vars_allocated * sizeof(int));
1683     }
1684     if(typeinfo->vars_allocated == var_num) {
1685         typeinfo->vars_allocated *= 2;
1686         typeinfo->var_indices = xrealloc(typeinfo->var_indices, typeinfo->vars_allocated * sizeof(int));
1687         typeinfo->var_names   = xrealloc(typeinfo->var_names,   typeinfo->vars_allocated * sizeof(int));
1688         typeinfo->var_offsets = xrealloc(typeinfo->var_offsets, typeinfo->vars_allocated * sizeof(int));
1689     }
1690     /* update the index data */
1691     typeinfo->var_indices[var_num] = id;
1692     typeinfo->var_names[var_num] = -1;
1693     typeinfo->var_offsets[var_num] = offset;
1694 
1695     /* figure out type widths and whatnot */
1696     encode_var(typeinfo->typelib, var->type, var, &typedata[1], &var_datawidth,
1697                &var_alignment, &var_type_size);
1698 
1699     /* pad out starting position to data width */
1700     typeinfo->datawidth += var_alignment - 1;
1701     typeinfo->datawidth &= ~(var_alignment - 1);
1702 
1703     switch(typeinfo->typekind) {
1704     case TKIND_ENUM:
1705         write_value(typeinfo->typelib, &typedata[4], VT_I4, &var->eval->cval);
1706         var_kind = 2; /* VAR_CONST */
1707         var_type_size += 16; /* sizeof(VARIANT) */
1708         typeinfo->datawidth = var_datawidth;
1709         break;
1710     case TKIND_RECORD:
1711         typedata[4] = typeinfo->datawidth;
1712         typeinfo->datawidth += var_datawidth;
1713         break;
1714     case TKIND_DISPATCH:
1715         var_kind = 3; /* VAR_DISPATCH */
1716         typeinfo->datawidth = 4;
1717         var_alignment = 4;
1718         break;
1719     default:
1720         error("add_var_desc: unhandled type kind %d\n", typeinfo->typekind);
1721         break;
1722     }
1723 
1724     /* add type description size to total required allocation */
1725     typedata[3] += var_type_size << 16 | var_kind;
1726 
1727     /* fix type alignment */
1728     alignment = (typeinfo->typeinfo->typekind >> 11) & 0x1f;
1729     if (alignment < var_alignment) {
1730         alignment = var_alignment;
1731         typeinfo->typeinfo->typekind &= ~0xffc0;
1732         typeinfo->typeinfo->typekind |= alignment << 11 | alignment << 6;
1733     }
1734 
1735     /* ??? */
1736     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x1a;
1737     if ((index == 0) || (index == 1) || (index == 2) || (index == 4) || (index == 9)) {
1738         typeinfo->typeinfo->res2 <<= 1;
1739     }
1740 
1741     /* ??? */
1742     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1743     typeinfo->typeinfo->res3 += 0x2c;
1744 
1745     /* increment the number of variable elements */
1746     typeinfo->typeinfo->cElement += 0x10000;
1747 
1748     /* pad data width to alignment */
1749     typeinfo->typeinfo->size = (typeinfo->datawidth + (alignment - 1)) & ~(alignment - 1);
1750 
1751     offset = ctl2_alloc_name(typeinfo->typelib, var->name);
1752     if (offset == -1) return E_OUTOFMEMORY;
1753 
1754     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + offset;
1755     if (*((INT *)namedata) == -1) {
1756         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1757         if(typeinfo->typekind != TKIND_DISPATCH)
1758             namedata[9] |= 0x10;
1759     } else
1760         namedata[9] &= ~0x10;
1761 
1762     if (typeinfo->typekind == TKIND_ENUM) {
1763         namedata[9] |= 0x20;
1764     }
1765     typeinfo->var_names[var_num] = offset;
1766 
1767     return S_OK;
1768 }
1769 
1770 static HRESULT add_impl_type(msft_typeinfo_t *typeinfo, type_t *ref, importinfo_t *importinfo)
1771 {
1772     if(importinfo) {
1773         alloc_importinfo(typeinfo->typelib, importinfo);
1774         typeinfo->typeinfo->datatype1 = importinfo->offset+1;
1775     }else {
1776         if(ref->typelib_idx == -1)
1777             add_interface_typeinfo(typeinfo->typelib, ref);
1778         if(ref->typelib_idx == -1)
1779             error("add_impl_type: unable to add inherited interface\n");
1780 
1781         typeinfo->typeinfo->datatype1 = typeinfo->typelib->typelib_typeinfo_offsets[ref->typelib_idx];
1782     }
1783 
1784     typeinfo->typeinfo->cImplTypes++;
1785     return S_OK;
1786 }
1787 
1788 static msft_typeinfo_t *create_msft_typeinfo(msft_typelib_t *typelib, enum type_kind kind,
1789                                              const char *name, const attr_list_t *attrs)
1790 {
1791     const attr_t *attr;
1792     msft_typeinfo_t *msft_typeinfo;
1793     int nameoffset;
1794     int typeinfo_offset;
1795     MSFT_TypeInfoBase *typeinfo;
1796     MSFT_GuidEntry guidentry;
1797 
1798     chat("create_msft_typeinfo: name %s kind %d\n", name, kind);
1799 
1800     msft_typeinfo = xmalloc(sizeof(*msft_typeinfo));
1801     memset( msft_typeinfo, 0, sizeof(*msft_typeinfo) );
1802 
1803     msft_typeinfo->typelib = typelib;
1804 
1805     nameoffset = ctl2_alloc_name(typelib, name);
1806     typeinfo_offset = ctl2_alloc_typeinfo(typelib, nameoffset);
1807     typeinfo = (MSFT_TypeInfoBase *)&typelib->typelib_segment_data[MSFT_SEG_TYPEINFO][typeinfo_offset];
1808 
1809     typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset + 9] = 0x38;
1810     *((int *)&typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset]) = typeinfo_offset;
1811 
1812     msft_typeinfo->typekind = kind;
1813     msft_typeinfo->typeinfo = typeinfo;
1814 
1815     typeinfo->typekind |= kind | 0x20;
1816 
1817     if(kind == TKIND_COCLASS)
1818         typeinfo->flags |= 0x2; /* TYPEFLAG_FCANCREATE */
1819 
1820     if (attrs) LIST_FOR_EACH_ENTRY( attr, attrs, const attr_t, entry ) {
1821         switch(attr->type) {
1822         case ATTR_AGGREGATABLE:
1823             if (kind == TKIND_COCLASS)
1824                 typeinfo->flags |= 0x400; /* TYPEFLAG_FAGGREGATABLE */
1825             break;
1826 
1827         case ATTR_APPOBJECT:
1828             if (kind == TKIND_COCLASS)
1829                 typeinfo->flags |= 0x1; /* TYPEFLAG_FAPPOBJECT */
1830             break;
1831 
1832         case ATTR_CONTROL:
1833             if (kind == TKIND_COCLASS)
1834                 typeinfo->flags |= 0x20; /* TYPEFLAG_FCONTROL */
1835             break;
1836 
1837         case ATTR_DLLNAME:
1838           {
1839             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1840             typeinfo->datatype1 = offset;
1841             break;
1842           }
1843 
1844         case ATTR_DUAL:
1845             /* FIXME: check interface is compatible */
1846             typeinfo->typekind = (typeinfo->typekind & ~0xff) | 0x34;
1847             typeinfo->flags |= 0x140; /* TYPEFLAG_FDUAL | TYPEFLAG_FOLEAUTOMATION */
1848             break;
1849 
1850         case ATTR_HELPCONTEXT:
1851           {
1852             expr_t *expr = (expr_t*)attr->u.pval;
1853             typeinfo->helpcontext = expr->cval;
1854             break;
1855           }
1856         case ATTR_HELPSTRING:
1857           {
1858             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1859             if (offset == -1) break;
1860             typeinfo->docstringoffs = offset;
1861             break;
1862           }
1863         case ATTR_HELPSTRINGCONTEXT:
1864           {
1865             expr_t *expr = (expr_t*)attr->u.pval;
1866             typeinfo->helpstringcontext = expr->cval;
1867             break;
1868           }
1869         case ATTR_HIDDEN:
1870             typeinfo->flags |= 0x10; /* TYPEFLAG_FHIDDEN */
1871             break;
1872 
1873         /* FIXME: TYPEFLAG_FLICENSED */
1874 
1875         case ATTR_NONCREATABLE:
1876             typeinfo->flags &= ~0x2; /* TYPEFLAG_FCANCREATE */
1877             break;
1878 
1879         case ATTR_NONEXTENSIBLE:
1880             typeinfo->flags |= 0x80; /* TYPEFLAG_FNONEXTENSIBLE */
1881             break;
1882 
1883         case ATTR_OLEAUTOMATION:
1884             typeinfo->flags |= 0x100; /* TYPEFLAG_FOLEAUTOMATION */
1885             break;
1886 
1887         /* FIXME: TYPEFLAG_FPREDCLID */
1888 
1889         /* FIXME: TYPEFLAG_FPROXY */
1890 
1891         /* FIXME: TYPEFLAG_FREPLACEABLE */
1892 
1893         case ATTR_RESTRICTED:
1894             typeinfo->flags |= 0x200; /* TYPEFLAG_FRESTRICTED */
1895             break;
1896 
1897         case ATTR_UUID:
1898             guidentry.guid = *(GUID*)attr->u.pval;
1899             guidentry.hreftype = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1900             guidentry.next_hash = -1;
1901             typeinfo->posguid = ctl2_alloc_guid(typelib, &guidentry);
1902 #if 0
1903             if (IsEqualIID(guid, &IID_IDispatch)) {
1904                 typelib->typelib_header.dispatchpos = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1905             }
1906 #endif
1907             break;
1908 
1909         case ATTR_VERSION:
1910             typeinfo->version = attr->u.ival;
1911             break;
1912 
1913         default:
1914             break;
1915         }
1916     }
1917 
1918     if (typelib->last_typeinfo) typelib->last_typeinfo->next_typeinfo = msft_typeinfo;
1919     typelib->last_typeinfo = msft_typeinfo;
1920     if (!typelib->typeinfos) typelib->typeinfos = msft_typeinfo;
1921 
1922 
1923     return msft_typeinfo;
1924 }
1925 
1926 static void add_dispatch(msft_typelib_t *typelib)
1927 {
1928     int guid_offset, impfile_offset;
1929     MSFT_GuidEntry guidentry;
1930     MSFT_ImpInfo impinfo;
1931     GUID stdole =        {0x00020430,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1932     GUID iid_idispatch = {0x00020400,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1933 
1934     if(typelib->typelib_header.dispatchpos != -1) return;
1935 
1936     guidentry.guid = stdole;
1937     guidentry.hreftype = 2;
1938     guidentry.next_hash = -1;
1939     guid_offset = ctl2_alloc_guid(typelib, &guidentry);
1940     impfile_offset = alloc_importfile(typelib, guid_offset, 2, 0, "stdole2.tlb");
1941 
1942     guidentry.guid = iid_idispatch;
1943     guidentry.hreftype = 1;
1944     guidentry.next_hash = -1;
1945     impinfo.flags = TKIND_INTERFACE << 24 | MSFT_IMPINFO_OFFSET_IS_GUID;
1946     impinfo.oImpFile = impfile_offset;
1947     impinfo.oGuid = ctl2_alloc_guid(typelib, &guidentry);
1948     typelib->typelib_header.dispatchpos = alloc_msft_importinfo(typelib, &impinfo) | 0x01;
1949 }
1950 
1951 static void add_dispinterface_typeinfo(msft_typelib_t *typelib, type_t *dispinterface)
1952 {
1953     int idx = 0;
1954     const func_t *func;
1955     var_t *var;
1956     msft_typeinfo_t *msft_typeinfo;
1957 
1958     if (-1 < dispinterface->typelib_idx)
1959         return;
1960 
1961     dispinterface->typelib_idx = typelib->typelib_header.nrtypeinfos;
1962     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_DISPATCH, dispinterface->name,
1963                                          dispinterface->attrs);
1964 
1965     msft_typeinfo->typeinfo->size = 4;
1966     msft_typeinfo->typeinfo->typekind |= 0x2100;
1967 
1968     msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
1969     add_dispatch(typelib);
1970     msft_typeinfo->typeinfo->cImplTypes = 1;
1971 
1972     /* count the no of methods, as the variable indices come after the funcs */
1973     if (dispinterface->details.iface->disp_methods)
1974         LIST_FOR_EACH_ENTRY( func, dispinterface->details.iface->disp_methods, const func_t, entry )
1975             idx++;
1976 
1977     if (type_dispiface_get_props(dispinterface))
1978         LIST_FOR_EACH_ENTRY( var, type_dispiface_get_props(dispinterface), var_t, entry )
1979             add_var_desc(msft_typeinfo, idx++, var);
1980 
1981     if (type_dispiface_get_methods(dispinterface))
1982     {
1983         idx = 0;
1984         LIST_FOR_EACH_ENTRY( func, type_dispiface_get_methods(dispinterface), const func_t, entry )
1985             if(add_func_desc(msft_typeinfo, func->def, idx) == S_OK)
1986                 idx++;
1987     }
1988 }
1989 
1990 static void add_interface_typeinfo(msft_typelib_t *typelib, type_t *interface)
1991 {
1992     int idx = 0;
1993     const statement_t *stmt_func;
1994     type_t *ref;
1995     msft_typeinfo_t *msft_typeinfo;
1996     importinfo_t *ref_importinfo = NULL;
1997     int num_parents = 0, num_funcs = 0;
1998     type_t *inherit;
1999     const type_t *derived;
2000 
2001     if (-1 < interface->typelib_idx)
2002         return;
2003 
2004     if (is_attr(interface->attrs, ATTR_DISPINTERFACE))
2005         return add_dispinterface_typeinfo(typelib, interface);
2006 
2007     /* midl adds the parent interface first, unless the parent itself
2008        has no parent (i.e. it stops before IUnknown). */
2009 
2010     inherit = type_iface_get_inherit(interface);
2011 
2012     if(inherit) {
2013         ref_importinfo = find_importinfo(typelib, inherit->name);
2014 
2015         if(!ref_importinfo && type_iface_get_inherit(inherit) &&
2016            inherit->typelib_idx == -1)
2017             add_interface_typeinfo(typelib, inherit);
2018     }
2019 
2020     interface->typelib_idx = typelib->typelib_header.nrtypeinfos;
2021     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_INTERFACE, interface->name, interface->attrs);
2022     msft_typeinfo->typeinfo->size = 4;
2023     msft_typeinfo->typeinfo->typekind |= 0x2200;
2024 
2025     for (derived = inherit; derived; derived = type_iface_get_inherit(derived))
2026         if (derived->name && !strcmp(derived->name, "IDispatch"))
2027             msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
2028 
2029     /* can't be dual if it doesn't derive from IDispatch */
2030     if (!(msft_typeinfo->typeinfo->flags & 0x1000)) /* TYPEFLAG_FDISPATCHABLE */
2031         msft_typeinfo->typeinfo->flags &= ~0x40; /* TYPEFLAG_FDUAL */
2032 
2033     if(type_iface_get_inherit(interface))
2034         add_impl_type(msft_typeinfo, type_iface_get_inherit(interface),
2035                       ref_importinfo);
2036 
2037     /* count the number of inherited interfaces and non-local functions */
2038     for(ref = inherit; ref; ref = type_iface_get_inherit(ref)) {
2039         num_parents++;
2040         STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(ref) ) {
2041             var_t *func = stmt_func->u.var;
2042             if (!is_local(func->attrs)) num_funcs++;
2043         }
2044     }
2045     msft_typeinfo->typeinfo->datatype2 = num_funcs << 16 | num_parents;
2046     msft_typeinfo->typeinfo->cbSizeVft = num_funcs * 4;
2047 
2048     STATEMENTS_FOR_EACH_FUNC( stmt_func, type_iface_get_stmts(interface) ) {
2049         var_t *func = stmt_func->u.var;
2050         if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2051             idx++;
2052     }
2053 }
2054 
2055 static void add_structure_typeinfo(msft_typelib_t *typelib, type_t *structure)
2056 {
2057     int idx = 0;
2058     var_t *cur;
2059     msft_typeinfo_t *msft_typeinfo;
2060 
2061     if (-1 < structure->typelib_idx)
2062         return;
2063 
2064     structure->typelib_idx = typelib->typelib_header.nrtypeinfos;
2065     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_RECORD, structure->name, structure->attrs);
2066     msft_typeinfo->typeinfo->size = 0;
2067 
2068     if (type_struct_get_fields(structure))
2069         LIST_FOR_EACH_ENTRY( cur, type_struct_get_fields(structure), var_t, entry )
2070             add_var_desc(msft_typeinfo, idx++, cur);
2071 }
2072 
2073 static void add_enum_typeinfo(msft_typelib_t *typelib, type_t *enumeration)
2074 {
2075     int idx = 0;
2076     var_t *cur;
2077     msft_typeinfo_t *msft_typeinfo;
2078 
2079     enumeration->typelib_idx = typelib->typelib_header.nrtypeinfos;
2080     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ENUM, enumeration->name, enumeration->attrs);
2081     msft_typeinfo->typeinfo->size = 0;
2082 
2083     if (type_enum_get_values(enumeration))
2084         LIST_FOR_EACH_ENTRY( cur, type_enum_get_values(enumeration), var_t, entry )
2085             add_var_desc(msft_typeinfo, idx++, cur);
2086 }
2087 
2088 static void add_typedef_typeinfo(msft_typelib_t *typelib, type_t *tdef)
2089 {
2090     msft_typeinfo_t *msft_typeinfo;
2091     int alignment;
2092 
2093     if (-1 < tdef->typelib_idx)
2094         return;
2095 
2096     tdef->typelib_idx = typelib->typelib_header.nrtypeinfos;
2097     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ALIAS, tdef->name, tdef->attrs);
2098     encode_type(typelib, get_type_vt(type_alias_get_aliasee(tdef)),
2099                 type_alias_get_aliasee(tdef),
2100                 &msft_typeinfo->typeinfo->datatype1,
2101                 &msft_typeinfo->typeinfo->size,
2102                 &alignment, &msft_typeinfo->typeinfo->datatype2);
2103     msft_typeinfo->typeinfo->typekind |= (alignment << 11 | alignment << 6);
2104 }
2105 
2106 static void add_coclass_typeinfo(msft_typelib_t *typelib, type_t *cls)
2107 {
2108     msft_typeinfo_t *msft_typeinfo;
2109     ifref_t *iref;
2110     int num_ifaces = 0, offset, i;
2111     MSFT_RefRecord *ref, *first = NULL, *first_source = NULL;
2112     int have_default = 0, have_default_source = 0;
2113     const attr_t *attr;
2114     ifref_list_t *ifaces;
2115 
2116     if (-1 < cls->typelib_idx)
2117         return;
2118 
2119     cls->typelib_idx = typelib->typelib_header.nrtypeinfos;
2120     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_COCLASS, cls->name, cls->attrs);
2121 
2122     ifaces = type_coclass_get_ifaces(cls);
2123     if (ifaces) LIST_FOR_EACH_ENTRY( iref, ifaces, ifref_t, entry ) num_ifaces++;
2124 
2125     offset = msft_typeinfo->typeinfo->datatype1 = ctl2_alloc_segment(typelib, MSFT_SEG_REFERENCES,
2126                                                                      num_ifaces * sizeof(*ref), 0);
2127 
2128     i = 0;
2129     if (ifaces) LIST_FOR_EACH_ENTRY( iref, ifaces, ifref_t, entry ) {
2130         if(iref->iface->typelib_idx == -1)
2131             add_interface_typeinfo(typelib, iref->iface);
2132         ref = (MSFT_RefRecord*) (typelib->typelib_segment_data[MSFT_SEG_REFERENCES] + offset + i * sizeof(*ref));
2133         ref->reftype = typelib->typelib_typeinfo_offsets[iref->iface->typelib_idx];
2134         ref->flags = 0;
2135         ref->oCustData = -1;
2136         ref->onext = -1;
2137         if(i < num_ifaces - 1)
2138             ref->onext = offset + (i + 1) * sizeof(*ref);
2139 
2140         if (iref->attrs) LIST_FOR_EACH_ENTRY( attr, iref->attrs, const attr_t, entry ) {
2141             switch(attr->type) {
2142             case ATTR_DEFAULT:
2143                 ref->flags |= 0x1; /* IMPLTYPEFLAG_FDEFAULT */
2144                 break;
2145             case ATTR_DEFAULTVTABLE:
2146                 ref->flags |= 0x8; /* IMPLTYPEFLAG_FDEFAULTVTABLE */
2147                 break;
2148             case ATTR_RESTRICTED:
2149                 ref->flags |= 0x4; /* IMPLTYPEFLAG_FRESTRICTED */
2150                 break;
2151             case ATTR_SOURCE:
2152                 ref->flags |= 0x2; /* IMPLTYPEFLAG_FSOURCE */
2153                 break;
2154             default:
2155                 warning("add_coclass_typeinfo: unhandled attr %d\n", attr->type);
2156             }
2157         }
2158         if(ref->flags & 0x1) { /* IMPLTYPEFLAG_FDEFAULT */
2159             if(ref->flags & 0x2) /* IMPLTYPEFLAG_SOURCE */
2160                 have_default_source = 1;
2161             else
2162                 have_default = 1;
2163         }
2164 
2165         /* If the interface is non-restricted and we haven't already had one then
2166            remember it so that we can use it as a default later */
2167         if((ref->flags & 0x4) == 0) { /* IMPLTYPEFLAG_FRESTRICTED */
2168             if(ref->flags & 0x2) { /* IMPLTYPEFLAG_FSOURCE */
2169                 if(!first_source)
2170                     first_source = ref;
2171             }
2172             else if(!first)
2173                 first = ref;
2174         }
2175         i++;
2176     }
2177 
2178     /* If we haven't had a default interface, then set the default flags on the
2179        first ones */
2180     if(!have_default && first)
2181         first->flags |= 0x1;
2182     if(!have_default_source && first_source)
2183         first_source->flags |= 0x1;
2184 
2185     msft_typeinfo->typeinfo->cImplTypes = num_ifaces;
2186     msft_typeinfo->typeinfo->size = 4;
2187     msft_typeinfo->typeinfo->typekind |= 0x2200;
2188 }
2189 
2190 static void add_module_typeinfo(msft_typelib_t *typelib, type_t *module)
2191 {
2192     int idx = 0;
2193     const statement_t *stmt;
2194     msft_typeinfo_t *msft_typeinfo;
2195 
2196     if (-1 < module->typelib_idx)
2197         return;
2198 
2199     module->typelib_idx = typelib->typelib_header.nrtypeinfos;
2200     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_MODULE, module->name, module->attrs);
2201     msft_typeinfo->typeinfo->typekind |= 0x0a00;
2202 
2203     STATEMENTS_FOR_EACH_FUNC( stmt, module->details.module->stmts ) {
2204         var_t *func = stmt->u.var;
2205         if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2206             idx++;
2207     }
2208 
2209     msft_typeinfo->typeinfo->size = idx;
2210 }
2211 
2212 static void add_type_typeinfo(msft_typelib_t *typelib, type_t *type)
2213 {
2214     switch (type->type) {
2215     case RPC_FC_IP:
2216         add_interface_typeinfo(typelib, type);
2217         break;
2218     case RPC_FC_STRUCT:
2219         add_structure_typeinfo(typelib, type);
2220         break;
2221     case RPC_FC_ENUM16:
2222     case RPC_FC_ENUM32:
2223         add_enum_typeinfo(typelib, type);
2224         break;
2225     case RPC_FC_COCLASS:
2226         add_coclass_typeinfo(typelib, type);
2227         break;
2228     case RPC_FC_BYTE:
2229     case RPC_FC_CHAR:
2230     case RPC_FC_USMALL:
2231     case RPC_FC_SMALL:
2232     case RPC_FC_WCHAR:
2233     case RPC_FC_USHORT:
2234     case RPC_FC_SHORT:
2235     case RPC_FC_ULONG:
2236     case RPC_FC_LONG:
2237     case RPC_FC_HYPER:
2238     case RPC_FC_IGNORE:
2239     case RPC_FC_FLOAT:
2240     case RPC_FC_DOUBLE:
2241     case RPC_FC_ERROR_STATUS_T:
2242     case RPC_FC_BIND_PRIMITIVE:
2243     case RPC_FC_RP:
2244     case RPC_FC_UP:
2245     case RPC_FC_OP:
2246     case RPC_FC_FP:
2247         break;
2248     default:
2249         error("add_entry: unhandled type 0x%x for %s\n", type->type, type->name);
2250         break;
2251     }
2252 }
2253 
2254 static void add_entry(msft_typelib_t *typelib, const statement_t *stmt)
2255 {
2256     switch(stmt->type) {
2257     case STMT_LIBRARY:
2258     case STMT_IMPORT:
2259     case STMT_CPPQUOTE:
2260     case STMT_DECLARATION:
2261         /* not included in typelib */
2262         break;
2263     case STMT_IMPORTLIB:
2264         /* not processed here */
2265         break;
2266     case STMT_TYPEDEF:
2267     {
2268         const type_list_t *type_entry = stmt->u.type_list;
2269         for (; type_entry; type_entry = type_entry->next) {
2270             /* if the type is public then add the typedef, otherwise attempt
2271              * to add the aliased type */
2272             if (is_attr(type_entry->type->attrs, ATTR_PUBLIC))
2273                 add_typedef_typeinfo(typelib, type_entry->type);
2274             else
2275                 add_type_typeinfo(typelib, type_alias_get_aliasee(type_entry->type));
2276         }
2277         break;
2278     }
2279     case STMT_MODULE:
2280         add_module_typeinfo(typelib, stmt->u.type);
2281         break;
2282     case STMT_TYPE:
2283     case STMT_TYPEREF:
2284     {
2285         type_t *type = stmt->u.type;
2286         add_type_typeinfo(typelib, type);
2287         break;
2288     }
2289     }
2290 }
2291 
2292 static void set_name(msft_typelib_t *typelib)
2293 {
2294     int offset;
2295 
2296     offset = ctl2_alloc_name(typelib, typelib->typelib->name);
2297     if (offset == -1) return;
2298     typelib->typelib_header.NameOffset = offset;
2299     return;
2300 }
2301 
2302 static void set_version(msft_typelib_t *typelib)
2303 {
2304     typelib->typelib_header.version = get_attrv( typelib->typelib->attrs, ATTR_VERSION );
2305 }
2306 
2307 static void set_guid(msft_typelib_t *typelib)
2308 {
2309     MSFT_GuidEntry guidentry;
2310     int offset;
2311     void *ptr;
2312     GUID guid = {0,0,0,{0,0,0,0,0,0}};
2313 
2314     guidentry.guid = guid;
2315     guidentry.hreftype = -2;
2316     guidentry.next_hash = -1;
2317 
2318     ptr = get_attrp( typelib->typelib->attrs, ATTR_UUID );
2319     if (ptr) guidentry.guid = *(GUID *)ptr;
2320 
2321     offset = ctl2_alloc_guid(typelib, &guidentry);
2322     typelib->typelib_header.posguid = offset;
2323 
2324     return;
2325 }
2326 
2327 static void set_doc_string(msft_typelib_t *typelib)
2328 {
2329     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRING );
2330 
2331     if (str)
2332     {
2333         int offset = ctl2_alloc_string(typelib, str);
2334         if (offset != -1) typelib->typelib_header.helpstring = offset;
2335     }
2336 }
2337 
2338 static void set_help_file_name(msft_typelib_t *typelib)
2339 {
2340     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPFILE );
2341 
2342     if (str)
2343     {
2344         int offset = ctl2_alloc_string(typelib, str);
2345         if (offset != -1)
2346         {
2347             typelib->typelib_header.helpfile = offset;
2348             typelib->typelib_header.varflags |= 0x10;
2349         }
2350     }
2351 }
2352 
2353 static void set_help_context(msft_typelib_t *typelib)
2354 {
2355     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPCONTEXT );
2356     if (expr) typelib->typelib_header.helpcontext = expr->cval;
2357 }
2358 
2359 static void set_help_string_dll(msft_typelib_t *typelib)
2360 {
2361     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGDLL );
2362 
2363     if (str)
2364     {
2365         int offset = ctl2_alloc_string(typelib, str);
2366         if (offset != -1)
2367         {
2368             typelib->help_string_dll_offset = offset;
2369             typelib->typelib_header.varflags |= 0x100;
2370         }
2371     }
2372 }
2373 
2374 static void set_help_string_context(msft_typelib_t *typelib)
2375 {
2376     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGCONTEXT );
2377     if (expr) typelib->typelib_header.helpstringcontext = expr->cval;
2378 }
2379 
2380 static void set_lcid(msft_typelib_t *typelib)
2381 {
2382     const expr_t *lcid_expr = get_attrp( typelib->typelib->attrs, ATTR_LIBLCID );
2383     typelib->typelib_header.lcid2 = lcid_expr ? lcid_expr->cval : 0x0;
2384 }
2385 
2386 static void set_lib_flags(msft_typelib_t *typelib)
2387 {
2388     const attr_t *attr;
2389 
2390     typelib->typelib_header.flags = 0;
2391     if (!typelib->typelib->attrs) return;
2392     LIST_FOR_EACH_ENTRY( attr, typelib->typelib->attrs, const attr_t, entry )
2393     {
2394         switch(attr->type) {
2395         case ATTR_CONTROL:
2396             typelib->typelib_header.flags |= 0x02; /* LIBFLAG_FCONTROL */
2397             break;
2398         case ATTR_HIDDEN:
2399             typelib->typelib_header.flags |= 0x04; /* LIBFLAG_FHIDDEN */
2400             break;
2401         case ATTR_RESTRICTED:
2402             typelib->typelib_header.flags |= 0x01; /* LIBFLAG_FRESTRICTED */
2403             break;
2404         default:
2405             break;
2406         }
2407     }
2408     return;
2409 }
2410 
2411 static int ctl2_write_chunk(int fd, void *segment, int length)
2412 {
2413     if (write(fd, segment, length) != length) {
2414         close(fd);
2415         return 0;
2416     }
2417     return -1;
2418 }
2419 
2420 static int ctl2_write_segment(msft_typelib_t *typelib, int fd, int segment)
2421 {
2422     if (write(fd, typelib->typelib_segment_data[segment], typelib->typelib_segdir[segment].length)
2423         != typelib->typelib_segdir[segment].length) {
2424         close(fd);
2425         return 0;
2426     }
2427 
2428     return -1;
2429 }
2430 
2431 static void ctl2_finalize_typeinfos(msft_typelib_t *typelib, int filesize)
2432 {
2433     msft_typeinfo_t *typeinfo;
2434 
2435     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2436         typeinfo->typeinfo->memoffset = filesize;
2437         if (typeinfo->func_data)
2438             filesize += typeinfo->func_data[0] + ((typeinfo->typeinfo->cElement & 0xffff) * 12);
2439         if (typeinfo->var_data)
2440             filesize += typeinfo->var_data[0] + (((typeinfo->typeinfo->cElement >> 16) & 0xffff) * 12);
2441         if (typeinfo->func_data || typeinfo->var_data)
2442             filesize += 4;
2443     }
2444 }
2445 
2446 static int ctl2_finalize_segment(msft_typelib_t *typelib, int filepos, int segment)
2447 {
2448     if (typelib->typelib_segdir[segment].length) {
2449         typelib->typelib_segdir[segment].offset = filepos;
2450     } else {
2451         typelib->typelib_segdir[segment].offset = -1;
2452     }
2453 
2454     return typelib->typelib_segdir[segment].length;
2455 }
2456 
2457 
2458 static void ctl2_write_typeinfos(msft_typelib_t *typelib, int fd)
2459 {
2460     msft_typeinfo_t *typeinfo;
2461     int typedata_size;
2462 
2463     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2464         if (!typeinfo->func_data && !typeinfo->var_data) continue;
2465         typedata_size = 0;
2466         if (typeinfo->func_data)
2467             typedata_size = typeinfo->func_data[0];
2468         if (typeinfo->var_data)
2469             typedata_size += typeinfo->var_data[0];
2470         ctl2_write_chunk(fd, &typedata_size, sizeof(int));
2471         if (typeinfo->func_data)
2472             ctl2_write_chunk(fd, typeinfo->func_data + 1, typeinfo->func_data[0]);
2473         if (typeinfo->var_data)
2474             ctl2_write_chunk(fd, typeinfo->var_data + 1, typeinfo->var_data[0]);
2475         if (typeinfo->func_indices)
2476             ctl2_write_chunk(fd, typeinfo->func_indices, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2477         if (typeinfo->var_indices)
2478             ctl2_write_chunk(fd, typeinfo->var_indices, (typeinfo->typeinfo->cElement >> 16) * 4);
2479         if (typeinfo->func_names)
2480             ctl2_write_chunk(fd, typeinfo->func_names,   (typeinfo->typeinfo->cElement & 0xffff) * 4);
2481         if (typeinfo->var_names)
2482             ctl2_write_chunk(fd, typeinfo->var_names,   (typeinfo->typeinfo->cElement >> 16) * 4); 
2483         if (typeinfo->func_offsets)
2484             ctl2_write_chunk(fd, typeinfo->func_offsets, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2485         if (typeinfo->var_offsets) {
2486             int add = 0, i, offset;
2487             if(typeinfo->func_data)
2488                 add = typeinfo->func_data[0];
2489             for(i = 0; i < (typeinfo->typeinfo->cElement >> 16); i++) {
2490                 offset = typeinfo->var_offsets[i];
2491                 offset += add;
2492                 ctl2_write_chunk(fd, &offset, 4);
2493             }
2494         }
2495     }
2496 }
2497 
2498 static int save_all_changes(msft_typelib_t *typelib)
2499 {
2500     int retval;
2501     int filepos;
2502     int fd;
2503 
2504     chat("save_all_changes(%p)\n", typelib);
2505 
2506     retval = TYPE_E_IOERROR;
2507 
2508     fd = open(typelib->typelib->filename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, 0666);
2509     if (fd == -1) return retval;
2510 
2511     filepos = sizeof(MSFT_Header) + sizeof(MSFT_SegDir);
2512     if(typelib->typelib_header.varflags & 0x100) filepos += 4; /* helpstringdll */
2513     filepos += typelib->typelib_header.nrtypeinfos * 4;
2514 
2515     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEINFO);
2516     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUIDHASH);
2517     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUID);
2518     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_REFERENCES);
2519     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTINFO);
2520     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTFILES);
2521     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAMEHASH);
2522     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAME);
2523     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_STRING);
2524     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEDESC);
2525     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_ARRAYDESC);
2526     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATA);
2527     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATAGUID);
2528 
2529     ctl2_finalize_typeinfos(typelib, filepos);
2530 
2531     if (!ctl2_write_chunk(fd, &typelib->typelib_header, sizeof(typelib->typelib_header))) return retval;
2532     if(typelib->typelib_header.varflags & 0x100)
2533         if (!ctl2_write_chunk(fd, &typelib->help_string_dll_offset, sizeof(typelib->help_string_dll_offset)))
2534             return retval;
2535 
2536     if (!ctl2_write_chunk(fd, typelib->typelib_typeinfo_offsets, typelib->typelib_header.nrtypeinfos * 4)) return retval;
2537     if (!ctl2_write_chunk(fd, &typelib->typelib_segdir, sizeof(typelib->typelib_segdir))) return retval;
2538     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEINFO    )) return retval;
2539     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUIDHASH    )) return retval;
2540     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUID        )) return retval;
2541     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_REFERENCES  )) return retval;
2542     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTINFO  )) return retval;
2543     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTFILES )) return retval;
2544     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAMEHASH    )) return retval;
2545     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAME        )) return retval;
2546     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_STRING      )) return retval;
2547     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEDESC    )) return retval;
2548     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_ARRAYDESC   )) return retval;
2549     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATA    )) return retval;
2550     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATAGUID)) return retval;
2551 
2552     ctl2_write_typeinfos(typelib, fd);
2553 
2554     if (close(fd) == -1) return retval;
2555 
2556     retval = S_OK;
2557     return retval;
2558 }
2559 
2560 int create_msft_typelib(typelib_t *typelib)
2561 {
2562     msft_typelib_t *msft;
2563     int failed = 0;
2564     const statement_t *stmt;
2565     time_t cur_time;
2566     char *time_override;
2567     unsigned int version = 5 << 24 | 1 << 16 | 164; /* 5.01.0164 */
2568     GUID midl_time_guid    = {0xde77ba63,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2569     GUID midl_version_guid = {0xde77ba64,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2570 
2571     msft = xmalloc(sizeof(*msft));
2572     memset(msft, 0, sizeof(*msft));
2573     msft->typelib = typelib;
2574 
2575     ctl2_init_header(msft);
2576     ctl2_init_segdir(msft);
2577 
2578     msft->typelib_header.varflags |= SYS_WIN32;
2579 
2580     /*
2581      * The following two calls return an offset or -1 if out of memory. We
2582      * specifically need an offset of 0, however, so...
2583      */
2584     if (ctl2_alloc_segment(msft, MSFT_SEG_GUIDHASH, 0x80, 0x80)) { failed = 1; }
2585     if (ctl2_alloc_segment(msft, MSFT_SEG_NAMEHASH, 0x200, 0x200)) { failed = 1; }
2586 
2587     if(failed)
2588     {
2589         free(msft);
2590         return 0;
2591     }
2592 
2593     msft->typelib_guidhash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_GUIDHASH];
2594     msft->typelib_namehash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_NAMEHASH];
2595 
2596     memset(msft->typelib_guidhash_segment, 0xff, 0x80);
2597     memset(msft->typelib_namehash_segment, 0xff, 0x200);
2598 
2599     set_lib_flags(msft);
2600     set_lcid(msft);
2601     set_help_file_name(msft);
2602     set_doc_string(msft);
2603     set_guid(msft);
2604     set_version(msft);
2605     set_name(msft);
2606     set_help_context(msft);
2607     set_help_string_dll(msft);
2608     set_help_string_context(msft);
2609     
2610     /* midl adds two sets of custom data to the library: the current unix time
2611        and midl's version number */
2612     time_override = getenv( "WIDL_TIME_OVERRIDE");
2613     cur_time = time_override ? atol( time_override) : time(NULL);
2614     set_custdata(msft, &midl_time_guid, VT_UI4, &cur_time, &msft->typelib_header.CustomDataOffset);
2615     set_custdata(msft, &midl_version_guid, VT_UI4, &version, &msft->typelib_header.CustomDataOffset);
2616 
2617     if (typelib->stmts)
2618         LIST_FOR_EACH_ENTRY( stmt, typelib->stmts, const statement_t, entry )
2619             add_entry(msft, stmt);
2620 
2621     save_all_changes(msft);
2622     free(msft);
2623     return 1;
2624 }
2625 

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