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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; type->ref; type = type->ref) {
880             next_vt = get_type_vt(type->ref);
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->ref, &target_type, NULL, NULL, &child_size);
889         /* these types already have an implicit pointer, so we don't need to
890          * add another */
891         if(next_vt == VT_DISPATCH || next_vt == VT_UNKNOWN) {
892             chat("encode_type: skipping ptr\n");
893             *encoded_type = target_type;
894             *width = 4;
895             *alignment = 4;
896             *decoded_size = child_size;
897             break;
898         }
899 
900         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
901             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
902             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
903         }
904 
905         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
906             int mix_field;
907             
908             if (target_type & 0x80000000) {
909                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
910             } else {
911                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
912                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
913             }
914 
915             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
916             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
917 
918             typedata[0] = (mix_field << 16) | VT_PTR;
919             typedata[1] = target_type;
920         }
921 
922         *encoded_type = typeoffset;
923 
924         *width = 4;
925         *alignment = 4;
926         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
927         break;
928     }
929 
930 
931     case VT_SAFEARRAY:
932         {
933         int next_vt;
934 
935         /* skip over SAFEARRAY type straight to element type */
936         type = type->ref;
937 
938         for(next_vt = 0; type->ref; type = type->ref) {
939             next_vt = get_type_vt(type->ref);
940             if (next_vt != 0)
941                 break;
942         }
943 
944         encode_type(typelib, next_vt, type->ref, &target_type, NULL, NULL, &child_size);
945 
946         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
947             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
948             if (((typedata[0] & 0xffff) == VT_SAFEARRAY) && (typedata[1] == target_type)) break;
949         }
950 
951         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
952             int mix_field;
953             
954             if (target_type & 0x80000000) {
955                 mix_field = ((target_type >> 16) & VT_TYPEMASK) | VT_ARRAY;
956             } else {
957                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
958                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
959             }
960 
961             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
962             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
963 
964             typedata[0] = (mix_field << 16) | VT_SAFEARRAY;
965             typedata[1] = target_type;
966         }
967 
968         *encoded_type = typeoffset;
969 
970         *width = 4;
971         *alignment = 4;
972         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
973         break;
974         }
975 
976 
977     case VT_USERDEFINED:
978       {
979         int typeinfo_offset;
980 
981         /* typedef'd types without public attribute aren't included in the typelib */
982         while (type->typelib_idx < 0 && type->kind == TKIND_ALIAS && !is_attr(type->attrs, ATTR_PUBLIC))
983           type = type->orig;
984 
985         chat("encode_type: VT_USERDEFINED - type %p name = %s type->type %d idx %d\n", type,
986              type->name, type->type, type->typelib_idx);
987 
988         if(type->typelib_idx == -1) {
989             chat("encode_type: trying to ref not added type\n");
990             switch(type->type) {
991             case RPC_FC_STRUCT:
992             case RPC_FC_PSTRUCT:
993             case RPC_FC_CSTRUCT:
994             case RPC_FC_CPSTRUCT:
995             case RPC_FC_CVSTRUCT:
996             case RPC_FC_BOGUS_STRUCT:
997                 add_structure_typeinfo(typelib, type);
998                 break;
999             case RPC_FC_IP:
1000                 add_interface_typeinfo(typelib, type);
1001                 break;
1002             case RPC_FC_ENUM16:
1003                 add_enum_typeinfo(typelib, type);
1004                 break;
1005             case RPC_FC_COCLASS:
1006                 add_coclass_typeinfo(typelib, type);
1007                 break;
1008             case 0:
1009                 error("encode_type: VT_USERDEFINED - can't yet add typedef's on the fly\n");
1010                 break;
1011             default:
1012                 error("encode_type: VT_USERDEFINED - unhandled type %d\n", type->type);
1013             }
1014         }
1015 
1016         typeinfo_offset = typelib->typelib_typeinfo_offsets[type->typelib_idx];
1017         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1018             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1019             if ((typedata[0] == ((0x7fff << 16) | VT_USERDEFINED)) && (typedata[1] == typeinfo_offset)) break;
1020         }
1021 
1022         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1023             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1024             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1025 
1026             typedata[0] = (0x7fff << 16) | VT_USERDEFINED;
1027             typedata[1] = typeinfo_offset;
1028         }
1029 
1030         *encoded_type = typeoffset;
1031         *width = 0;
1032         *alignment = 1;
1033         break;
1034       }
1035 
1036     default:
1037         error("encode_type: unrecognized type %d.\n", vt);
1038         *encoded_type = default_type;
1039         *width = 0;
1040         *alignment = 1;
1041         break;
1042     }
1043 
1044     return 0;
1045 }
1046 
1047 static void dump_type(type_t *t)
1048 {
1049     chat("dump_type: %p name %s type %d ref %p attrs %p\n", t, t->name, t->type, t->ref, t->attrs);
1050     if(t->ref) dump_type(t->ref);
1051 }
1052 
1053 static int encode_var(
1054         msft_typelib_t *typelib,   /* [I] The type library in which to encode the TYPEDESC. */
1055         type_t *type,              /* [I] The type description to encode. */
1056         var_t *var,                /* [I] The var to encode. */
1057         int *encoded_type,         /* [O] The encoded type description. */
1058         int *width,                /* [O] The width of the type, or NULL. */
1059         int *alignment,            /* [O] The alignment of the type, or NULL. */
1060         int *decoded_size)         /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
1061 {
1062     int typeoffset;
1063     int *typedata;
1064     int target_type;
1065     int child_size;
1066     int vt;
1067     int scratch;
1068 
1069     if (!width) width = &scratch;
1070     if (!alignment) alignment = &scratch;
1071     if (!decoded_size) decoded_size = &scratch;
1072     *decoded_size = 0;
1073 
1074     chat("encode_var: var %p type %p type->name %s type->ref %p\n",
1075          var, type, type->name ? type->name : "NULL", type->ref);
1076 
1077     if (type->declarray) {
1078         int num_dims, elements = 1, arrayoffset;
1079         type_t *atype;
1080         int *arraydata;
1081 
1082         num_dims = 0;
1083         for (atype = type; atype->declarray; atype = atype->ref)
1084             ++num_dims;
1085 
1086         chat("array with %d dimensions\n", num_dims);
1087         encode_var(typelib, atype, var, &target_type, width, alignment, NULL);
1088         arrayoffset = ctl2_alloc_segment(typelib, MSFT_SEG_ARRAYDESC, (2 + 2 * num_dims) * sizeof(long), 0);
1089         arraydata = (void *)&typelib->typelib_segment_data[MSFT_SEG_ARRAYDESC][arrayoffset];
1090 
1091         arraydata[0] = target_type;
1092         arraydata[1] = num_dims;
1093         arraydata[1] |= ((num_dims * 2 * sizeof(long)) << 16);
1094 
1095         arraydata += 2;
1096         for (atype = type; atype->declarray; atype = atype->ref)
1097         {
1098             arraydata[0] = atype->dim;
1099             arraydata[1] = 0;
1100             arraydata += 2;
1101             elements *= atype->dim;
1102         }
1103 
1104         typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1105         typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1106 
1107         typedata[0] = (0x7ffe << 16) | VT_CARRAY;
1108         typedata[1] = arrayoffset;
1109 
1110         *encoded_type = typeoffset;
1111         *width = *width * elements;
1112         *decoded_size = 20 /*sizeof(ARRAYDESC)*/ + (num_dims - 1) * 8 /*sizeof(SAFEARRAYBOUND)*/;
1113         return 0;
1114     }
1115 
1116     vt = get_type_vt(type);
1117     if (vt == VT_PTR) {
1118         int skip_ptr = encode_var(typelib, type->ref, var, &target_type, NULL, NULL, &child_size);
1119 
1120         if(skip_ptr == 2) {
1121             chat("encode_var: skipping ptr\n");
1122             *encoded_type = target_type;
1123             *decoded_size = child_size;
1124             *width = 4;
1125             *alignment = 4;
1126             return 0;
1127         }
1128 
1129         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1130             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1131             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
1132         }
1133 
1134         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1135             int mix_field;
1136             
1137             if (target_type & 0x80000000) {
1138                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
1139             } else {
1140                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
1141                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
1142             }
1143 
1144             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1145             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1146 
1147             typedata[0] = (mix_field << 16) | VT_PTR;
1148             typedata[1] = target_type;
1149         }
1150 
1151         *encoded_type = typeoffset;
1152 
1153         *width = 4;
1154         *alignment = 4;
1155         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
1156         return 0;
1157     }
1158 
1159     dump_type(type);
1160 
1161     encode_type(typelib, vt, type, encoded_type, width, alignment, decoded_size);
1162     /* these types already have an implicit pointer, so we don't need to
1163      * add another */
1164     if(vt == VT_DISPATCH || vt == VT_UNKNOWN) return 2;
1165     return 0;
1166 }
1167 
1168 static unsigned long get_ulong_val(unsigned long val, int vt)
1169 {
1170     switch(vt) {
1171     case VT_I2:
1172     case VT_BOOL:
1173     case VT_UI2:
1174         return val & 0xffff;
1175     case VT_I1:
1176     case VT_UI1:
1177         return val & 0xff;
1178     }
1179 
1180     return val;
1181 }
1182 
1183 static void write_value(msft_typelib_t* typelib, int *out, int vt, const void *value)
1184 {
1185     switch(vt) {
1186     case VT_I2:
1187     case VT_I4:
1188     case VT_R4:
1189     case VT_BOOL:
1190     case VT_I1:
1191     case VT_UI1:
1192     case VT_UI2:
1193     case VT_UI4:
1194     case VT_INT:
1195     case VT_UINT:
1196     case VT_HRESULT:
1197     case VT_PTR:
1198       {
1199         const unsigned long lv = get_ulong_val(*(const unsigned long*)value, vt);
1200         if((lv & 0x3ffffff) == lv) {
1201             *out = 0x80000000;
1202             *out |= vt << 26;
1203             *out |= lv;
1204         } else {
1205             int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, 8, 0);
1206             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1207             memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2], value, 4);
1208             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6]) = 0x5757;
1209             *out = offset;
1210         }
1211         return;
1212       }
1213     case VT_BSTR:
1214       {
1215         const char *s = (const char *) value;
1216         int len = strlen(s), seg_len = (len + 6 + 3) & ~0x3;
1217         int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, seg_len, 0);
1218         *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1219         *((unsigned int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2]) = len;        
1220         memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6], value, len);
1221         len += 6;
1222         while(len < seg_len) {
1223             *((char *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+len]) = 0x57;
1224             len++;
1225         }
1226         *out = offset;
1227         return;
1228       }
1229 
1230     default:
1231         warning("can't write value of type %d yet\n", vt);
1232     }
1233     return;
1234 }
1235 
1236 static HRESULT set_custdata(msft_typelib_t *typelib, REFGUID guid,
1237                             int vt, void *value, int *offset)
1238 {
1239     MSFT_GuidEntry guidentry;
1240     int guidoffset;
1241     int custoffset;
1242     int *custdata;
1243     int data_out;
1244 
1245     guidentry.guid = *guid;
1246 
1247     guidentry.hreftype = -1;
1248     guidentry.next_hash = -1;
1249 
1250     guidoffset = ctl2_alloc_guid(typelib, &guidentry);
1251     write_value(typelib, &data_out, vt, value);
1252 
1253     custoffset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATAGUID, 12, 0);
1254 
1255     custdata = (int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATAGUID][custoffset];
1256     custdata[0] = guidoffset;
1257     custdata[1] = data_out;
1258     custdata[2] = *offset;
1259     *offset = custoffset;
1260 
1261     return S_OK;
1262 }
1263 
1264 static HRESULT add_func_desc(msft_typeinfo_t* typeinfo, const func_t *func, int index)
1265 {
1266     int offset, name_offset;
1267     int *typedata, typedata_size;
1268     int i, id, next_idx;
1269     int decoded_size, extra_attr = 0;
1270     int num_params = 0, num_optional = 0, num_defaults = 0;
1271     var_t *arg;
1272     char *namedata;
1273     const attr_t *attr;
1274     unsigned int funcflags = 0, callconv = 4 /* CC_STDCALL */;
1275     unsigned int funckind, invokekind = 1 /* INVOKE_FUNC */;
1276     int help_context = 0, help_string_context = 0, help_string_offset = -1;
1277     int entry = -1, entry_is_ord = 0;
1278 
1279     chat("add_func_desc(%p,%d)\n", typeinfo, index);
1280 
1281     id = ((0x6000 | (typeinfo->typeinfo->datatype2 & 0xffff)) << 16) | index;
1282 
1283     switch(typeinfo->typekind) {
1284     case TKIND_DISPATCH:
1285         funckind = 0x4; /* FUNC_DISPATCH */
1286         break;
1287     case TKIND_MODULE:
1288         funckind = 0x3; /* FUNC_STATIC */
1289         break;
1290     default:
1291         funckind = 0x1; /* FUNC_PUREVIRTUAL */
1292         break;
1293     }
1294 
1295     if (is_local( func->def->attrs )) {
1296         chat("add_func_desc: skipping local function\n");
1297         return S_FALSE;
1298     }
1299 
1300     if (func->args)
1301       LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1302       {
1303         num_params++;
1304         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1305             if(attr->type == ATTR_DEFAULTVALUE)
1306                 num_defaults++;
1307             else if(attr->type == ATTR_OPTIONAL)
1308                 num_optional++;
1309         }
1310       }
1311 
1312     chat("add_func_desc: num of params %d\n", num_params);
1313 
1314     name_offset = ctl2_alloc_name(typeinfo->typelib, func->def->name);
1315 
1316     if (func->def->attrs) LIST_FOR_EACH_ENTRY( attr, func->def->attrs, const attr_t, entry ) {
1317         expr_t *expr = attr->u.pval;
1318         switch(attr->type) {
1319         case ATTR_BINDABLE:
1320             funcflags |= 0x4; /* FUNCFLAG_FBINDABLE */
1321             break;
1322         /* FIXME: FUNCFLAG_FDEFAULTBIND */
1323         case ATTR_DEFAULTCOLLELEM:
1324             funcflags |= 0x100; /* FUNCFLAG_FDEFAULTCOLLELEM */
1325             break;
1326         case ATTR_DISPLAYBIND:
1327             funcflags |= 0x10; /* FUNCFLAG_FDISPLAYBIND */
1328             break;
1329         case ATTR_ENTRY:
1330             extra_attr = max(extra_attr, 3);
1331             if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1332               entry = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1333             else {
1334               entry = expr->cval;
1335               entry_is_ord = 1;
1336             }
1337             break;
1338         case ATTR_HELPCONTEXT:
1339             extra_attr = max(extra_attr, 1);
1340             help_context = expr->u.lval;
1341             break;
1342         case ATTR_HELPSTRING:
1343             extra_attr = max(extra_attr, 2);
1344             help_string_offset = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1345             break;
1346         case ATTR_HELPSTRINGCONTEXT:
1347             extra_attr = max(extra_attr, 6);
1348             help_string_context = expr->u.lval;
1349             break;
1350         case ATTR_HIDDEN:
1351             funcflags |= 0x40; /* FUNCFLAG_FHIDDEN */
1352             break;
1353         case ATTR_ID:
1354             id = expr->cval;
1355             break;
1356         case ATTR_IMMEDIATEBIND:
1357             funcflags |= 0x1000; /* FUNCFLAG_FIMMEDIATEBIND */
1358             break;
1359         case ATTR_NONBROWSABLE:
1360             funcflags |= 0x400; /* FUNCFLAG_FNONBROWSABLE */
1361             break;
1362         case ATTR_OUT:
1363             break;
1364         case ATTR_PROPGET:
1365             invokekind = 0x2; /* INVOKE_PROPERTYGET */
1366             break;
1367         case ATTR_PROPPUT:
1368             invokekind = 0x4; /* INVOKE_PROPERTYPUT */
1369             break;
1370         case ATTR_PROPPUTREF:
1371             invokekind = 0x8; /* INVOKE_PROPERTYPUTREF */
1372             break;
1373         /* FIXME: FUNCFLAG_FREPLACEABLE */
1374         case ATTR_REQUESTEDIT:
1375             funcflags |= 0x8; /* FUNCFLAG_FREQUESTEDIT */
1376             break;
1377         case ATTR_RESTRICTED:
1378             funcflags |= 0x1; /* FUNCFLAG_FRESTRICTED */
1379             break;
1380         case ATTR_SOURCE:
1381             funcflags |= 0x2; /* FUNCFLAG_FSOURCE */
1382             break;
1383         /* FIXME: FUNCFLAG_FUIDEFAULT */
1384         /* FIXME: FUNCFLAG_FUSESGETLASTERROR */
1385         case ATTR_VARARG:
1386             if (num_optional || num_defaults)
1387                 warning("add_func_desc: ignoring vararg in function with optional or defaultvalue params\n");
1388             else
1389                 num_optional = -1;
1390             break;
1391         default:
1392             break;
1393         }
1394     }
1395 
1396     /* allocate type data space for us */
1397     typedata_size = 0x18 + extra_attr * sizeof(int) + (num_params * (num_defaults ? 16 : 12));
1398 
1399     if (!typeinfo->func_data) {
1400         typeinfo->func_data = xmalloc(0x100);
1401         typeinfo->func_data_allocated = 0x100;
1402         typeinfo->func_data[0] = 0;
1403     }
1404 
1405     if(typeinfo->func_data[0] + typedata_size + sizeof(int) > typeinfo->func_data_allocated) {
1406         typeinfo->func_data_allocated = max(typeinfo->func_data_allocated * 2,
1407                                             typeinfo->func_data[0] + typedata_size + sizeof(int));
1408         typeinfo->func_data = xrealloc(typeinfo->func_data, typeinfo->func_data_allocated);
1409     }
1410 
1411     offset = typeinfo->func_data[0];
1412     typeinfo->func_data[0] += typedata_size;
1413     typedata = typeinfo->func_data + (offset >> 2) + 1;
1414 
1415 
1416     /* find func with the same name - if it exists use its id */
1417     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1418         if(name_offset == typeinfo->func_names[i]) {
1419             id = typeinfo->func_indices[i];
1420             break;
1421         }
1422     }
1423 
1424     /* find the first func with the same id and link via the hiword of typedata[4] */
1425     next_idx = index;
1426     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1427         if(id == typeinfo->func_indices[i]) {
1428             next_idx = typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] >> 16;
1429             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] &= 0xffff;
1430             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] |= (index << 16);
1431             break;
1432         }
1433     }
1434 
1435     /* fill out the basic type information */
1436     typedata[0] = typedata_size | (index << 16);
1437     encode_var(typeinfo->typelib, get_func_return_type(func), func->def, &typedata[1], NULL, NULL, &decoded_size);
1438     typedata[2] = funcflags;
1439     typedata[3] = ((52 /*sizeof(FUNCDESC)*/ + decoded_size) << 16) | typeinfo->typeinfo->cbSizeVft;
1440     typedata[4] = (next_idx << 16) | (callconv << 8) | (invokekind << 3) | funckind;
1441     if(num_defaults) typedata[4] |= 0x1000;
1442     if(entry_is_ord) typedata[4] |= 0x2000;
1443     typedata[5] = (num_optional << 16) | num_params;
1444 
1445     /* NOTE: High word of typedata[3] is total size of FUNCDESC + size of all ELEMDESCs for params + TYPEDESCs for pointer params and return types. */
1446     /* That is, total memory allocation required to reconstitute the FUNCDESC in its entirety. */
1447     typedata[3] += (16 /*sizeof(ELEMDESC)*/ * num_params) << 16;
1448     typedata[3] += (24 /*sizeof(PARAMDESCEX)*/ * num_defaults) << 16;
1449 
1450     switch(extra_attr) {
1451     case 6: typedata[11] = help_string_context;
1452     case 5: typedata[10] = -1;
1453     case 4: typedata[9] = -1;
1454     case 3: typedata[8] = entry;
1455     case 2: typedata[7] = help_string_offset;
1456     case 1: typedata[6] = help_context;
1457     case 0:
1458         break;
1459     default:
1460         warning("unknown number of optional attrs\n");
1461     }
1462 
1463     if (func->args)
1464     {
1465       i = 0;
1466       LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1467       {
1468         int paramflags = 0;
1469         int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1470         int *defaultdata = num_defaults ? typedata + 6 + extra_attr + i : NULL;
1471 
1472         if(defaultdata) *defaultdata = -1;
1473 
1474         encode_var(typeinfo->typelib, arg->type, arg, paramdata, NULL, NULL, &decoded_size);
1475         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1476             switch(attr->type) {
1477             case ATTR_DEFAULTVALUE:
1478               {
1479                 int vt;
1480                 expr_t *expr = (expr_t *)attr->u.pval;
1481                 if (arg->type->type == RPC_FC_ENUM16)
1482                     vt = VT_INT;
1483                 else
1484                     vt = get_type_vt(arg->type);
1485                 paramflags |= 0x30; /* PARAMFLAG_FHASDEFAULT | PARAMFLAG_FOPT */
1486                 if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1487                 {
1488                   if (vt != VT_BSTR) error("string default value applied to non-string type\n");
1489                   chat("default value '%s'\n", expr->u.sval);
1490                   write_value(typeinfo->typelib, defaultdata, vt, expr->u.sval);
1491                 }
1492                 else
1493                 {
1494                   chat("default value %ld\n", expr->cval);
1495                   write_value(typeinfo->typelib, defaultdata, vt, &expr->cval);
1496                 }
1497                 break;
1498               }
1499             case ATTR_IN:
1500                 paramflags |= 0x01; /* PARAMFLAG_FIN */
1501                 break;
1502             case ATTR_OPTIONAL:
1503                 paramflags |= 0x10; /* PARAMFLAG_FOPT */
1504                 break;
1505             case ATTR_OUT:
1506                 paramflags |= 0x02; /* PARAMFLAG_FOUT */
1507                 break;
1508             case ATTR_RETVAL:
1509                 paramflags |= 0x08; /* PARAMFLAG_FRETVAL */
1510                 typedata[4] |= 0x4000;
1511                 break;
1512             default:
1513                 chat("unhandled param attr %d\n", attr->type);
1514                 break;
1515             }
1516         }
1517         paramdata[1] = -1;
1518         paramdata[2] = paramflags;
1519         typedata[3] += decoded_size << 16;
1520         i++;
1521       }
1522     }
1523 
1524     if(typeinfo->funcs_allocated == 0) {
1525         typeinfo->funcs_allocated = 10;
1526         typeinfo->func_indices = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1527         typeinfo->func_names   = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1528         typeinfo->func_offsets = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1529     }
1530     if(typeinfo->funcs_allocated == (typeinfo->typeinfo->cElement & 0xffff)) {
1531         typeinfo->funcs_allocated *= 2;
1532         typeinfo->func_indices = xrealloc(typeinfo->func_indices, typeinfo->funcs_allocated * sizeof(int));
1533         typeinfo->func_names   = xrealloc(typeinfo->func_names,   typeinfo->funcs_allocated * sizeof(int));
1534         typeinfo->func_offsets = xrealloc(typeinfo->func_offsets, typeinfo->funcs_allocated * sizeof(int));
1535     }
1536 
1537     /* update the index data */
1538     typeinfo->func_indices[typeinfo->typeinfo->cElement & 0xffff] = id; 
1539     typeinfo->func_offsets[typeinfo->typeinfo->cElement & 0xffff] = offset;
1540     typeinfo->func_names[typeinfo->typeinfo->cElement & 0xffff] = name_offset;
1541 
1542     /* ??? */
1543     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x20;
1544     typeinfo->typeinfo->res2 <<= 1;
1545     /* ??? */
1546     if (index < 2) typeinfo->typeinfo->res2 += num_params << 4;
1547 
1548     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1549     typeinfo->typeinfo->res3 += 0x38 + num_params * 0x10;
1550     if(num_defaults) typeinfo->typeinfo->res3 += num_params * 0x4;
1551 
1552     /* adjust size of VTBL */
1553     if(funckind != 0x3 /* FUNC_STATIC */)
1554         typeinfo->typeinfo->cbSizeVft += 4;
1555 
1556     /* Increment the number of function elements */
1557     typeinfo->typeinfo->cElement += 1;
1558 
1559     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + name_offset;
1560     if (*((INT *)namedata) == -1) {
1561         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1562         if(typeinfo->typekind == TKIND_MODULE)
1563             namedata[9] |= 0x10;
1564     } else
1565         namedata[9] &= ~0x10;
1566 
1567     if(typeinfo->typekind == TKIND_MODULE)
1568         namedata[9] |= 0x20;
1569 
1570     if (func->args)
1571     {
1572         i = 0;
1573         LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1574         {
1575             /* don't give the last arg of a [propput*] func a name */
1576             if(i != num_params - 1 || (invokekind != 0x4 /* INVOKE_PROPERTYPUT */ && invokekind != 0x8 /* INVOKE_PROPERTYPUTREF */))
1577             {
1578                 int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1579                 offset = ctl2_alloc_name(typeinfo->typelib, arg->name);
1580                 paramdata[1] = offset;
1581             }
1582             i++;
1583         }
1584     }
1585     return S_OK;
1586 }
1587 
1588 static HRESULT add_var_desc(msft_typeinfo_t *typeinfo, UINT index, var_t* var)
1589 {
1590     int offset, id;
1591     unsigned int typedata_size;
1592     INT *typedata;
1593     int var_datawidth;
1594     int var_alignment;
1595     int var_type_size, var_kind = 0 /* VAR_PERINSTANCE */; 
1596     int alignment;
1597     int varflags = 0;
1598     const attr_t *attr;
1599     char *namedata;
1600     int var_num = (typeinfo->typeinfo->cElement >> 16) & 0xffff;
1601 
1602     chat("add_var_desc(%d, %s)\n", index, var->name);
1603 
1604     id = 0x40000000 + index;
1605 
1606     if (var->attrs) LIST_FOR_EACH_ENTRY( attr, var->attrs, const attr_t, entry ) {
1607         expr_t *expr = attr->u.pval;
1608         switch(attr->type) {
1609         case ATTR_BINDABLE:
1610             varflags |= 0x04; /* VARFLAG_FBINDABLE */
1611             break;
1612         /* FIXME: VARFLAG_FDEFAULTBIND */
1613         case ATTR_DEFAULTCOLLELEM:
1614             varflags |= 0x100; /* VARFLAG_FDEFAULTCOLLELEM */
1615             break;
1616         case ATTR_DISPLAYBIND:
1617             varflags |= 0x10; /* VARFLAG_FDISPLAYBIND */
1618             break;
1619         case ATTR_HIDDEN:
1620             varflags |= 0x40; /* VARFLAG_FHIDDEN */
1621             break;
1622         case ATTR_ID:
1623             id = expr->cval;
1624             break;
1625         case ATTR_IMMEDIATEBIND:
1626             varflags |= 0x1000; /* VARFLAG_FIMMEDIATEBIND */
1627             break;
1628         case ATTR_NONBROWSABLE:
1629             varflags |= 0x400; /* VARFLAG_FNONBROWSABLE */
1630             break;
1631         case ATTR_READONLY:
1632             varflags |= 0x01; /* VARFLAG_FREADONLY */
1633             break;
1634         /* FIXME: VARFLAG_FREPLACEABLE */
1635         case ATTR_REQUESTEDIT:
1636             varflags |= 0x08; /* VARFLAG_FREQUESTEDIT */
1637             break;
1638         case ATTR_RESTRICTED:
1639             varflags |= 0x80; /* VARFLAG_FRESTRICTED */
1640             break;
1641         case ATTR_SOURCE:
1642             varflags |= 0x02; /* VARFLAG_FSOURCE */
1643             break;
1644         /* FIXME: VARFLAG_FUIDEFAULT */
1645         default:
1646             break;
1647         }
1648     }
1649 
1650     /* allocate type data space for us */
1651     typedata_size = 0x14;
1652 
1653     if (!typeinfo->var_data) {
1654         typeinfo->var_data = xmalloc(0x100);
1655         typeinfo->var_data_allocated = 0x100;
1656         typeinfo->var_data[0] = 0;
1657     }
1658 
1659     if(typeinfo->var_data[0] + typedata_size + sizeof(int) > typeinfo->var_data_allocated) {
1660         typeinfo->var_data_allocated = max(typeinfo->var_data_allocated * 2,
1661                                             typeinfo->var_data[0] + typedata_size + sizeof(int));
1662         typeinfo->var_data = xrealloc(typeinfo->var_data, typeinfo->var_data_allocated);
1663     }
1664 
1665     offset = typeinfo->var_data[0];
1666     typeinfo->var_data[0] += typedata_size;
1667     typedata = typeinfo->var_data + (offset >> 2) + 1;
1668 
1669     /* fill out the basic type information */
1670     typedata[0] = typedata_size | (index << 16);
1671     typedata[2] = varflags;
1672     typedata[3] = (36 /*sizeof(VARDESC)*/ << 16) | 0;
1673 
1674     if(typeinfo->vars_allocated == 0) {
1675         typeinfo->vars_allocated = 10;
1676         typeinfo->var_indices = xmalloc(typeinfo->vars_allocated * sizeof(int));
1677         typeinfo->var_names   = xmalloc(typeinfo->vars_allocated * sizeof(int));
1678         typeinfo->var_offsets = xmalloc(typeinfo->vars_allocated * sizeof(int));
1679     }
1680     if(typeinfo->vars_allocated == var_num) {
1681         typeinfo->vars_allocated *= 2;
1682         typeinfo->var_indices = xrealloc(typeinfo->var_indices, typeinfo->vars_allocated * sizeof(int));
1683         typeinfo->var_names   = xrealloc(typeinfo->var_names,   typeinfo->vars_allocated * sizeof(int));
1684         typeinfo->var_offsets = xrealloc(typeinfo->var_offsets, typeinfo->vars_allocated * sizeof(int));
1685     }
1686     /* update the index data */
1687     typeinfo->var_indices[var_num] = id;
1688     typeinfo->var_names[var_num] = -1;
1689     typeinfo->var_offsets[var_num] = offset;
1690 
1691     /* figure out type widths and whatnot */
1692     encode_var(typeinfo->typelib, var->type, var, &typedata[1], &var_datawidth,
1693                &var_alignment, &var_type_size);
1694 
1695     /* pad out starting position to data width */
1696     typeinfo->datawidth += var_alignment - 1;
1697     typeinfo->datawidth &= ~(var_alignment - 1);
1698 
1699     switch(typeinfo->typekind) {
1700     case TKIND_ENUM:
1701         write_value(typeinfo->typelib, &typedata[4], VT_I4, &var->eval->cval);
1702         var_kind = 2; /* VAR_CONST */
1703         var_type_size += 16; /* sizeof(VARIANT) */
1704         typeinfo->datawidth = var_datawidth;
1705         break;
1706     case TKIND_RECORD:
1707         typedata[4] = typeinfo->datawidth;
1708         typeinfo->datawidth += var_datawidth;
1709         break;
1710     case TKIND_DISPATCH:
1711         var_kind = 3; /* VAR_DISPATCH */
1712         typeinfo->datawidth = 4;
1713         var_alignment = 4;
1714         break;
1715     default:
1716         error("add_var_desc: unhandled type kind %d\n", typeinfo->typekind);
1717         break;
1718     }
1719 
1720     /* add type description size to total required allocation */
1721     typedata[3] += var_type_size << 16 | var_kind;
1722 
1723     /* fix type alignment */
1724     alignment = (typeinfo->typeinfo->typekind >> 11) & 0x1f;
1725     if (alignment < var_alignment) {
1726         alignment = var_alignment;
1727         typeinfo->typeinfo->typekind &= ~0xffc0;
1728         typeinfo->typeinfo->typekind |= alignment << 11 | alignment << 6;
1729     }
1730 
1731     /* ??? */
1732     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x1a;
1733     if ((index == 0) || (index == 1) || (index == 2) || (index == 4) || (index == 9)) {
1734         typeinfo->typeinfo->res2 <<= 1;
1735     }
1736 
1737     /* ??? */
1738     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1739     typeinfo->typeinfo->res3 += 0x2c;
1740 
1741     /* increment the number of variable elements */
1742     typeinfo->typeinfo->cElement += 0x10000;
1743 
1744     /* pad data width to alignment */
1745     typeinfo->typeinfo->size = (typeinfo->datawidth + (alignment - 1)) & ~(alignment - 1);
1746 
1747     offset = ctl2_alloc_name(typeinfo->typelib, var->name);
1748     if (offset == -1) return E_OUTOFMEMORY;
1749 
1750     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + offset;
1751     if (*((INT *)namedata) == -1) {
1752         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1753         if(typeinfo->typekind != TKIND_DISPATCH)
1754             namedata[9] |= 0x10;
1755     } else
1756         namedata[9] &= ~0x10;
1757 
1758     if (typeinfo->typekind == TKIND_ENUM) {
1759         namedata[9] |= 0x20;
1760     }
1761     typeinfo->var_names[var_num] = offset;
1762 
1763     return S_OK;
1764 }
1765 
1766 static HRESULT add_impl_type(msft_typeinfo_t *typeinfo, type_t *ref, importinfo_t *importinfo)
1767 {
1768     if(importinfo) {
1769         alloc_importinfo(typeinfo->typelib, importinfo);
1770         typeinfo->typeinfo->datatype1 = importinfo->offset+1;
1771     }else {
1772         if(ref->typelib_idx == -1)
1773             add_interface_typeinfo(typeinfo->typelib, ref);
1774         if(ref->typelib_idx == -1)
1775             error("add_impl_type: unable to add inherited interface\n");
1776 
1777         typeinfo->typeinfo->datatype1 = typeinfo->typelib->typelib_typeinfo_offsets[ref->typelib_idx];
1778     }
1779 
1780     typeinfo->typeinfo->cImplTypes++;
1781     return S_OK;
1782 }
1783 
1784 static msft_typeinfo_t *create_msft_typeinfo(msft_typelib_t *typelib, enum type_kind kind,
1785                                              const char *name, const attr_list_t *attrs)
1786 {
1787     const attr_t *attr;
1788     msft_typeinfo_t *msft_typeinfo;
1789     int nameoffset;
1790     int typeinfo_offset;
1791     MSFT_TypeInfoBase *typeinfo;
1792     MSFT_GuidEntry guidentry;
1793 
1794     chat("create_msft_typeinfo: name %s kind %d\n", name, kind);
1795 
1796     msft_typeinfo = xmalloc(sizeof(*msft_typeinfo));
1797     memset( msft_typeinfo, 0, sizeof(*msft_typeinfo) );
1798 
1799     msft_typeinfo->typelib = typelib;
1800 
1801     nameoffset = ctl2_alloc_name(typelib, name);
1802     typeinfo_offset = ctl2_alloc_typeinfo(typelib, nameoffset);
1803     typeinfo = (MSFT_TypeInfoBase *)&typelib->typelib_segment_data[MSFT_SEG_TYPEINFO][typeinfo_offset];
1804 
1805     typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset + 9] = 0x38;
1806     *((int *)&typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset]) = typeinfo_offset;
1807 
1808     msft_typeinfo->typekind = kind;
1809     msft_typeinfo->typeinfo = typeinfo;
1810 
1811     typeinfo->typekind |= kind | 0x20;
1812 
1813     if(kind == TKIND_COCLASS)
1814         typeinfo->flags |= 0x2; /* TYPEFLAG_FCANCREATE */
1815 
1816     if (attrs) LIST_FOR_EACH_ENTRY( attr, attrs, const attr_t, entry ) {
1817         switch(attr->type) {
1818         case ATTR_AGGREGATABLE:
1819             if (kind == TKIND_COCLASS)
1820                 typeinfo->flags |= 0x400; /* TYPEFLAG_FAGGREGATABLE */
1821             break;
1822 
1823         case ATTR_APPOBJECT:
1824             if (kind == TKIND_COCLASS)
1825                 typeinfo->flags |= 0x1; /* TYPEFLAG_FAPPOBJECT */
1826             break;
1827 
1828         case ATTR_CONTROL:
1829             if (kind == TKIND_COCLASS)
1830                 typeinfo->flags |= 0x20; /* TYPEFLAG_FCONTROL */
1831             break;
1832 
1833         case ATTR_DLLNAME:
1834           {
1835             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1836             typeinfo->datatype1 = offset;
1837             break;
1838           }
1839 
1840         case ATTR_DUAL:
1841             /* FIXME: check interface is compatible */
1842             typeinfo->typekind = (typeinfo->typekind & ~0xff) | 0x34;
1843             typeinfo->flags |= 0x140; /* TYPEFLAG_FDUAL | TYPEFLAG_FOLEAUTOMATION */
1844             break;
1845 
1846         case ATTR_HELPCONTEXT:
1847           {
1848             expr_t *expr = (expr_t*)attr->u.pval;
1849             typeinfo->helpcontext = expr->cval;
1850             break;
1851           }
1852         case ATTR_HELPSTRING:
1853           {
1854             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1855             if (offset == -1) break;
1856             typeinfo->docstringoffs = offset;
1857             break;
1858           }
1859         case ATTR_HELPSTRINGCONTEXT:
1860           {
1861             expr_t *expr = (expr_t*)attr->u.pval;
1862             typeinfo->helpstringcontext = expr->cval;
1863             break;
1864           }
1865         case ATTR_HIDDEN:
1866             typeinfo->flags |= 0x10; /* TYPEFLAG_FHIDDEN */
1867             break;
1868 
1869         /* FIXME: TYPEFLAG_FLICENSED */
1870 
1871         case ATTR_NONCREATABLE:
1872             typeinfo->flags &= ~0x2; /* TYPEFLAG_FCANCREATE */
1873             break;
1874 
1875         case ATTR_NONEXTENSIBLE:
1876             typeinfo->flags |= 0x80; /* TYPEFLAG_FNONEXTENSIBLE */
1877             break;
1878 
1879         case ATTR_OLEAUTOMATION:
1880             typeinfo->flags |= 0x100; /* TYPEFLAG_FOLEAUTOMATION */
1881             break;
1882 
1883         /* FIXME: TYPEFLAG_FPREDCLID */
1884 
1885         /* FIXME: TYPEFLAG_FPROXY */
1886 
1887         /* FIXME: TYPEFLAG_FREPLACEABLE */
1888 
1889         case ATTR_RESTRICTED:
1890             typeinfo->flags |= 0x200; /* TYPEFLAG_FRESTRICTED */
1891             break;
1892 
1893         case ATTR_UUID:
1894             guidentry.guid = *(GUID*)attr->u.pval;
1895             guidentry.hreftype = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1896             guidentry.next_hash = -1;
1897             typeinfo->posguid = ctl2_alloc_guid(typelib, &guidentry);
1898 #if 0
1899             if (IsEqualIID(guid, &IID_IDispatch)) {
1900                 typelib->typelib_header.dispatchpos = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1901             }
1902 #endif
1903             break;
1904 
1905         case ATTR_VERSION:
1906             typeinfo->version = attr->u.ival;
1907             break;
1908 
1909         default:
1910             break;
1911         }
1912     }
1913 
1914     if (typelib->last_typeinfo) typelib->last_typeinfo->next_typeinfo = msft_typeinfo;
1915     typelib->last_typeinfo = msft_typeinfo;
1916     if (!typelib->typeinfos) typelib->typeinfos = msft_typeinfo;
1917 
1918 
1919     return msft_typeinfo;
1920 }
1921 
1922 static void add_dispatch(msft_typelib_t *typelib)
1923 {
1924     int guid_offset, impfile_offset;
1925     MSFT_GuidEntry guidentry;
1926     MSFT_ImpInfo impinfo;
1927     GUID stdole =        {0x00020430,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1928     GUID iid_idispatch = {0x00020400,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1929 
1930     if(typelib->typelib_header.dispatchpos != -1) return;
1931 
1932     guidentry.guid = stdole;
1933     guidentry.hreftype = 2;
1934     guidentry.next_hash = -1;
1935     guid_offset = ctl2_alloc_guid(typelib, &guidentry);
1936     impfile_offset = alloc_importfile(typelib, guid_offset, 2, 0, "stdole2.tlb");
1937 
1938     guidentry.guid = iid_idispatch;
1939     guidentry.hreftype = 1;
1940     guidentry.next_hash = -1;
1941     impinfo.flags = TKIND_INTERFACE << 24 | MSFT_IMPINFO_OFFSET_IS_GUID;
1942     impinfo.oImpFile = impfile_offset;
1943     impinfo.oGuid = ctl2_alloc_guid(typelib, &guidentry);
1944     typelib->typelib_header.dispatchpos = alloc_msft_importinfo(typelib, &impinfo) | 0x01;
1945 }
1946 
1947 static void add_dispinterface_typeinfo(msft_typelib_t *typelib, type_t *dispinterface)
1948 {
1949     int idx = 0;
1950     const func_t *func;
1951     var_t *var;
1952     msft_typeinfo_t *msft_typeinfo;
1953 
1954     if (-1 < dispinterface->typelib_idx)
1955         return;
1956 
1957     dispinterface->typelib_idx = typelib->typelib_header.nrtypeinfos;
1958     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_DISPATCH, dispinterface->name,
1959                                          dispinterface->attrs);
1960 
1961     msft_typeinfo->typeinfo->size = 4;
1962     msft_typeinfo->typeinfo->typekind |= 0x2100;
1963 
1964     msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
1965     add_dispatch(typelib);
1966     msft_typeinfo->typeinfo->cImplTypes = 1;
1967 
1968     /* count the no of funcs, as the variable indices come after the funcs */
1969     if (dispinterface->funcs)
1970         LIST_FOR_EACH_ENTRY( func, dispinterface->funcs, const func_t, entry ) idx++;
1971 
1972     if (type_dispiface_get_props(dispinterface))
1973         LIST_FOR_EACH_ENTRY( var, type_dispiface_get_props(dispinterface), var_t, entry )
1974             add_var_desc(msft_typeinfo, idx++, var);
1975 
1976     if (type_dispiface_get_methods(dispinterface))
1977     {
1978         idx = 0;
1979         LIST_FOR_EACH_ENTRY( func, type_dispiface_get_methods(dispinterface), const func_t, entry )
1980             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
1981                 idx++;
1982     }
1983 }
1984 
1985 static void add_interface_typeinfo(msft_typelib_t *typelib, type_t *interface)
1986 {
1987     int idx = 0;
1988     const func_t *func;
1989     type_t *ref;
1990     msft_typeinfo_t *msft_typeinfo;
1991     importinfo_t *ref_importinfo = NULL;
1992     int num_parents = 0, num_funcs = 0;
1993     const type_t *derived;
1994 
1995     if (-1 < interface->typelib_idx)
1996         return;
1997 
1998     if (is_attr(interface->attrs, ATTR_DISPINTERFACE))
1999         return add_dispinterface_typeinfo(typelib, interface);
2000 
2001     /* midl adds the parent interface first, unless the parent itself
2002        has no parent (i.e. it stops before IUnknown). */
2003 
2004     if(interface->ref) {
2005         ref_importinfo = find_importinfo(typelib, interface->ref->name);
2006 
2007         if(!ref_importinfo && interface->ref->ref && interface->ref->typelib_idx == -1)
2008             add_interface_typeinfo(typelib, interface->ref);
2009     }
2010 
2011     interface->typelib_idx = typelib->typelib_header.nrtypeinfos;
2012     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_INTERFACE, interface->name, interface->attrs);
2013     msft_typeinfo->typeinfo->size = 4;
2014     msft_typeinfo->typeinfo->typekind |= 0x2200;
2015 
2016     for (derived = interface->ref; derived; derived = derived->ref)
2017         if (derived->name && !strcmp(derived->name, "IDispatch"))
2018             msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
2019 
2020     /* can't be dual if it doesn't derive from IDispatch */
2021     if (!(msft_typeinfo->typeinfo->flags & 0x1000)) /* TYPEFLAG_FDISPATCHABLE */
2022         msft_typeinfo->typeinfo->flags &= ~0x40; /* TYPEFLAG_FDUAL */
2023 
2024     if(interface->ref)
2025         add_impl_type(msft_typeinfo, interface->ref, ref_importinfo);
2026 
2027     /* count the number of inherited interfaces and non-local functions */
2028     for(ref = interface->ref; ref; ref = ref->ref) {
2029         num_parents++;
2030         if (ref->funcs)
2031             LIST_FOR_EACH_ENTRY( func, ref->funcs, const func_t, entry )
2032                 if (!is_local(func->def->attrs)) num_funcs++;
2033     }
2034     msft_typeinfo->typeinfo->datatype2 = num_funcs << 16 | num_parents;
2035     msft_typeinfo->typeinfo->cbSizeVft = num_funcs * 4;
2036 
2037     if (interface->funcs)
2038         LIST_FOR_EACH_ENTRY( func, interface->funcs, const func_t, entry )
2039             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2040                 idx++;
2041 }
2042 
2043 static void add_structure_typeinfo(msft_typelib_t *typelib, type_t *structure)
2044 {
2045     int idx = 0;
2046     var_t *cur;
2047     msft_typeinfo_t *msft_typeinfo;
2048 
2049     if (-1 < structure->typelib_idx)
2050         return;
2051 
2052     structure->typelib_idx = typelib->typelib_header.nrtypeinfos;
2053     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_RECORD, structure->name, structure->attrs);
2054     msft_typeinfo->typeinfo->size = 0;
2055 
2056     if (type_struct_get_fields(structure))
2057         LIST_FOR_EACH_ENTRY( cur, type_struct_get_fields(structure), var_t, entry )
2058             add_var_desc(msft_typeinfo, idx++, cur);
2059 }
2060 
2061 static void add_enum_typeinfo(msft_typelib_t *typelib, type_t *enumeration)
2062 {
2063     int idx = 0;
2064     var_t *cur;
2065     msft_typeinfo_t *msft_typeinfo;
2066 
2067     enumeration->typelib_idx = typelib->typelib_header.nrtypeinfos;
2068     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ENUM, enumeration->name, enumeration->attrs);
2069     msft_typeinfo->typeinfo->size = 0;
2070 
2071     if (type_enum_get_values(enumeration))
2072         LIST_FOR_EACH_ENTRY( cur, type_enum_get_values(enumeration), var_t, entry )
2073             add_var_desc(msft_typeinfo, idx++, cur);
2074 }
2075 
2076 static void add_typedef_typeinfo(msft_typelib_t *typelib, type_t *tdef)
2077 {
2078     msft_typeinfo_t *msft_typeinfo;
2079     int alignment;
2080 
2081     if (-1 < tdef->typelib_idx)
2082         return;
2083 
2084     tdef->typelib_idx = typelib->typelib_header.nrtypeinfos;
2085     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ALIAS, tdef->name, tdef->attrs);
2086     encode_type(typelib, get_type_vt(tdef->orig), tdef->orig, &msft_typeinfo->typeinfo->datatype1, &msft_typeinfo->typeinfo->size,
2087                &alignment, &msft_typeinfo->typeinfo->datatype2);
2088     msft_typeinfo->typeinfo->typekind |= (alignment << 11 | alignment << 6);
2089 }
2090 
2091 static void add_coclass_typeinfo(msft_typelib_t *typelib, type_t *cls)
2092 {
2093     msft_typeinfo_t *msft_typeinfo;
2094     ifref_t *iref;
2095     int num_ifaces = 0, offset, i;
2096     MSFT_RefRecord *ref, *first = NULL, *first_source = NULL;
2097     int have_default = 0, have_default_source = 0;
2098     const attr_t *attr;
2099 
2100     if (-1 < cls->typelib_idx)
2101         return;
2102 
2103     cls->typelib_idx = typelib->typelib_header.nrtypeinfos;
2104     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_COCLASS, cls->name, cls->attrs);
2105 
2106     if (cls->ifaces) LIST_FOR_EACH_ENTRY( iref, cls->ifaces, ifref_t, entry ) num_ifaces++;
2107 
2108     offset = msft_typeinfo->typeinfo->datatype1 = ctl2_alloc_segment(typelib, MSFT_SEG_REFERENCES,
2109                                                                      num_ifaces * sizeof(*ref), 0);
2110 
2111     i = 0;
2112     if (cls->ifaces) LIST_FOR_EACH_ENTRY( iref, cls->ifaces, ifref_t, entry ) {
2113         if(iref->iface->typelib_idx == -1)
2114             add_interface_typeinfo(typelib, iref->iface);
2115         ref = (MSFT_RefRecord*) (typelib->typelib_segment_data[MSFT_SEG_REFERENCES] + offset + i * sizeof(*ref));
2116         ref->reftype = typelib->typelib_typeinfo_offsets[iref->iface->typelib_idx];
2117         ref->flags = 0;
2118         ref->oCustData = -1;
2119         ref->onext = -1;
2120         if(i < num_ifaces - 1)
2121             ref->onext = offset + (i + 1) * sizeof(*ref);
2122 
2123         if (iref->attrs) LIST_FOR_EACH_ENTRY( attr, iref->attrs, const attr_t, entry ) {
2124             switch(attr->type) {
2125             case ATTR_DEFAULT:
2126                 ref->flags |= 0x1; /* IMPLTYPEFLAG_FDEFAULT */
2127                 break;
2128             case ATTR_DEFAULTVTABLE:
2129                 ref->flags |= 0x8; /* IMPLTYPEFLAG_FDEFAULTVTABLE */
2130                 break;
2131             case ATTR_RESTRICTED:
2132                 ref->flags |= 0x4; /* IMPLTYPEFLAG_FRESTRICTED */
2133                 break;
2134             case ATTR_SOURCE:
2135                 ref->flags |= 0x2; /* IMPLTYPEFLAG_FSOURCE */
2136                 break;
2137             default:
2138                 warning("add_coclass_typeinfo: unhandled attr %d\n", attr->type);
2139             }
2140         }
2141         if(ref->flags & 0x1) { /* IMPLTYPEFLAG_FDEFAULT */
2142             if(ref->flags & 0x2) /* IMPLTYPEFLAG_SOURCE */
2143                 have_default_source = 1;
2144             else
2145                 have_default = 1;
2146         }
2147 
2148         /* If the interface is non-restricted and we haven't already had one then
2149            remember it so that we can use it as a default later */
2150         if((ref->flags & 0x4) == 0) { /* IMPLTYPEFLAG_FRESTRICTED */
2151             if(ref->flags & 0x2) { /* IMPLTYPEFLAG_FSOURCE */
2152                 if(!first_source)
2153                     first_source = ref;
2154             }
2155             else if(!first)
2156                 first = ref;
2157         }
2158         i++;
2159     }
2160 
2161     /* If we haven't had a default interface, then set the default flags on the
2162        first ones */
2163     if(!have_default && first)
2164         first->flags |= 0x1;
2165     if(!have_default_source && first_source)
2166         first_source->flags |= 0x1;
2167 
2168     msft_typeinfo->typeinfo->cImplTypes = num_ifaces;
2169     msft_typeinfo->typeinfo->size = 4;
2170     msft_typeinfo->typeinfo->typekind |= 0x2200;
2171 }
2172 
2173 static void add_module_typeinfo(msft_typelib_t *typelib, type_t *module)
2174 {
2175     int idx = 0;
2176     const func_t *func;
2177     msft_typeinfo_t *msft_typeinfo;
2178 
2179     if (-1 < module->typelib_idx)
2180         return;
2181 
2182     module->typelib_idx = typelib->typelib_header.nrtypeinfos;
2183     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_MODULE, module->name, module->attrs);
2184     msft_typeinfo->typeinfo->typekind |= 0x0a00;
2185 
2186     if (module->funcs)
2187         LIST_FOR_EACH_ENTRY( func, module->funcs, const func_t, entry )
2188             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2189                 idx++;
2190 
2191     msft_typeinfo->typeinfo->size = idx;
2192 }
2193 
2194 static void add_entry(msft_typelib_t *typelib, const statement_t *stmt)
2195 {
2196     switch(stmt->type) {
2197     case STMT_LIBRARY:
2198     case STMT_IMPORT:
2199     case STMT_CPPQUOTE:
2200     case STMT_DECLARATION:
2201         /* not included in typelib */
2202         break;
2203     case STMT_IMPORTLIB:
2204         /* not processed here */
2205         break;
2206     case STMT_TYPEDEF:
2207     {
2208         const type_list_t *type_entry = stmt->u.type_list;
2209         for (; type_entry; type_entry = type_entry->next)
2210             if (is_attr(type_entry->type->attrs, ATTR_PUBLIC))
2211                 add_typedef_typeinfo(typelib, type_entry->type);
2212         break;
2213     }
2214     case STMT_MODULE:
2215         add_module_typeinfo(typelib, stmt->u.type);
2216         break;
2217     case STMT_TYPE:
2218     case STMT_TYPEREF:
2219     {
2220         type_t *type = stmt->u.type;
2221         switch (type->kind) {
2222         case TKIND_INTERFACE:
2223         case TKIND_DISPATCH:
2224             add_interface_typeinfo(typelib, type);
2225             break;
2226         case TKIND_RECORD:
2227             add_structure_typeinfo(typelib, type);
2228             break;
2229         case TKIND_ENUM:
2230             add_enum_typeinfo(typelib, type);
2231             break;
2232         case TKIND_COCLASS:
2233             add_coclass_typeinfo(typelib, type);
2234             break;
2235         default:
2236             error("add_entry: unhandled type %d\n", type->kind);
2237             break;
2238         }
2239         break;
2240     }
2241     }
2242 }
2243 
2244 static void set_name(msft_typelib_t *typelib)
2245 {
2246     int offset;
2247 
2248     offset = ctl2_alloc_name(typelib, typelib->typelib->name);
2249     if (offset == -1) return;
2250     typelib->typelib_header.NameOffset = offset;
2251     return;
2252 }
2253 
2254 static void set_version(msft_typelib_t *typelib)
2255 {
2256     typelib->typelib_header.version = get_attrv( typelib->typelib->attrs, ATTR_VERSION );
2257 }
2258 
2259 static void set_guid(msft_typelib_t *typelib)
2260 {
2261     MSFT_GuidEntry guidentry;
2262     int offset;
2263     void *ptr;
2264     GUID guid = {0,0,0,{0,0,0,0,0,0}};
2265 
2266     guidentry.guid = guid;
2267     guidentry.hreftype = -2;
2268     guidentry.next_hash = -1;
2269 
2270     ptr = get_attrp( typelib->typelib->attrs, ATTR_UUID );
2271     if (ptr) guidentry.guid = *(GUID *)ptr;
2272 
2273     offset = ctl2_alloc_guid(typelib, &guidentry);
2274     typelib->typelib_header.posguid = offset;
2275 
2276     return;
2277 }
2278 
2279 static void set_doc_string(msft_typelib_t *typelib)
2280 {
2281     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRING );
2282 
2283     if (str)
2284     {
2285         int offset = ctl2_alloc_string(typelib, str);
2286         if (offset != -1) typelib->typelib_header.helpstring = offset;
2287     }
2288 }
2289 
2290 static void set_help_file_name(msft_typelib_t *typelib)
2291 {
2292     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPFILE );
2293 
2294     if (str)
2295     {
2296         int offset = ctl2_alloc_string(typelib, str);
2297         if (offset != -1)
2298         {
2299             typelib->typelib_header.helpfile = offset;
2300             typelib->typelib_header.varflags |= 0x10;
2301         }
2302     }
2303 }
2304 
2305 static void set_help_context(msft_typelib_t *typelib)
2306 {
2307     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPCONTEXT );
2308     if (expr) typelib->typelib_header.helpcontext = expr->cval;
2309 }
2310 
2311 static void set_help_string_dll(msft_typelib_t *typelib)
2312 {
2313     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGDLL );
2314 
2315     if (str)
2316     {
2317         int offset = ctl2_alloc_string(typelib, str);
2318         if (offset != -1)
2319         {
2320             typelib->help_string_dll_offset = offset;
2321             typelib->typelib_header.varflags |= 0x100;
2322         }
2323     }
2324 }
2325 
2326 static void set_help_string_context(msft_typelib_t *typelib)
2327 {
2328     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGCONTEXT );
2329     if (expr) typelib->typelib_header.helpstringcontext = expr->cval;
2330 }
2331 
2332 static void set_lcid(msft_typelib_t *typelib)
2333 {
2334     const expr_t *lcid_expr = get_attrp( typelib->typelib->attrs, ATTR_LIBLCID );
2335     typelib->typelib_header.lcid2 = lcid_expr ? lcid_expr->cval : 0x0;
2336 }
2337 
2338 static void set_lib_flags(msft_typelib_t *typelib)
2339 {
2340     const attr_t *attr;
2341 
2342     typelib->typelib_header.flags = 0;
2343     if (!typelib->typelib->attrs) return;
2344     LIST_FOR_EACH_ENTRY( attr, typelib->typelib->attrs, const attr_t, entry )
2345     {
2346         switch(attr->type) {
2347         case ATTR_CONTROL:
2348             typelib->typelib_header.flags |= 0x02; /* LIBFLAG_FCONTROL */
2349             break;
2350         case ATTR_HIDDEN:
2351             typelib->typelib_header.flags |= 0x04; /* LIBFLAG_FHIDDEN */
2352             break;
2353         case ATTR_RESTRICTED:
2354             typelib->typelib_header.flags |= 0x01; /* LIBFLAG_FRESTRICTED */
2355             break;
2356         default:
2357             break;
2358         }
2359     }
2360     return;
2361 }
2362 
2363 static int ctl2_write_chunk(int fd, void *segment, int length)
2364 {
2365     if (write(fd, segment, length) != length) {
2366         close(fd);
2367         return 0;
2368     }
2369     return -1;
2370 }
2371 
2372 static int ctl2_write_segment(msft_typelib_t *typelib, int fd, int segment)
2373 {
2374     if (write(fd, typelib->typelib_segment_data[segment], typelib->typelib_segdir[segment].length)
2375         != typelib->typelib_segdir[segment].length) {
2376         close(fd);
2377         return 0;
2378     }
2379 
2380     return -1;
2381 }
2382 
2383 static void ctl2_finalize_typeinfos(msft_typelib_t *typelib, int filesize)
2384 {
2385     msft_typeinfo_t *typeinfo;
2386 
2387     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2388         typeinfo->typeinfo->memoffset = filesize;
2389         if (typeinfo->func_data)
2390             filesize += typeinfo->func_data[0] + ((typeinfo->typeinfo->cElement & 0xffff) * 12);
2391         if (typeinfo->var_data)
2392             filesize += typeinfo->var_data[0] + (((typeinfo->typeinfo->cElement >> 16) & 0xffff) * 12);
2393         if (typeinfo->func_data || typeinfo->var_data)
2394             filesize += 4;
2395     }
2396 }
2397 
2398 static int ctl2_finalize_segment(msft_typelib_t *typelib, int filepos, int segment)
2399 {
2400     if (typelib->typelib_segdir[segment].length) {
2401         typelib->typelib_segdir[segment].offset = filepos;
2402     } else {
2403         typelib->typelib_segdir[segment].offset = -1;
2404     }
2405 
2406     return typelib->typelib_segdir[segment].length;
2407 }
2408 
2409 
2410 static void ctl2_write_typeinfos(msft_typelib_t *typelib, int fd)
2411 {
2412     msft_typeinfo_t *typeinfo;
2413     int typedata_size;
2414 
2415     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2416         if (!typeinfo->func_data && !typeinfo->var_data) continue;
2417         typedata_size = 0;
2418         if (typeinfo->func_data)
2419             typedata_size = typeinfo->func_data[0];
2420         if (typeinfo->var_data)
2421             typedata_size += typeinfo->var_data[0];
2422         ctl2_write_chunk(fd, &typedata_size, sizeof(int));
2423         if (typeinfo->func_data)
2424             ctl2_write_chunk(fd, typeinfo->func_data + 1, typeinfo->func_data[0]);
2425         if (typeinfo->var_data)
2426             ctl2_write_chunk(fd, typeinfo->var_data + 1, typeinfo->var_data[0]);
2427         if (typeinfo->func_indices)
2428             ctl2_write_chunk(fd, typeinfo->func_indices, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2429         if (typeinfo->var_indices)
2430             ctl2_write_chunk(fd, typeinfo->var_indices, (typeinfo->typeinfo->cElement >> 16) * 4);
2431         if (typeinfo->func_names)
2432             ctl2_write_chunk(fd, typeinfo->func_names,   (typeinfo->typeinfo->cElement & 0xffff) * 4);
2433         if (typeinfo->var_names)
2434             ctl2_write_chunk(fd, typeinfo->var_names,   (typeinfo->typeinfo->cElement >> 16) * 4); 
2435         if (typeinfo->func_offsets)
2436             ctl2_write_chunk(fd, typeinfo->func_offsets, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2437         if (typeinfo->var_offsets) {
2438             int add = 0, i, offset;
2439             if(typeinfo->func_data)
2440                 add = typeinfo->func_data[0];
2441             for(i = 0; i < (typeinfo->typeinfo->cElement >> 16); i++) {
2442                 offset = typeinfo->var_offsets[i];
2443                 offset += add;
2444                 ctl2_write_chunk(fd, &offset, 4);
2445             }
2446         }
2447     }
2448 }
2449 
2450 static int save_all_changes(msft_typelib_t *typelib)
2451 {
2452     int retval;
2453     int filepos;
2454     int fd;
2455 
2456     chat("save_all_changes(%p)\n", typelib);
2457 
2458     retval = TYPE_E_IOERROR;
2459 
2460     fd = open(typelib->typelib->filename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, 0666);
2461     if (fd == -1) return retval;
2462 
2463     filepos = sizeof(MSFT_Header) + sizeof(MSFT_SegDir);
2464     if(typelib->typelib_header.varflags & 0x100) filepos += 4; /* helpstringdll */
2465     filepos += typelib->typelib_header.nrtypeinfos * 4;
2466 
2467     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEINFO);
2468     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUIDHASH);
2469     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUID);
2470     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_REFERENCES);
2471     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTINFO);
2472     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTFILES);
2473     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAMEHASH);
2474     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAME);
2475     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_STRING);
2476     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEDESC);
2477     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_ARRAYDESC);
2478     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATA);
2479     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATAGUID);
2480 
2481     ctl2_finalize_typeinfos(typelib, filepos);
2482 
2483     if (!ctl2_write_chunk(fd, &typelib->typelib_header, sizeof(typelib->typelib_header))) return retval;
2484     if(typelib->typelib_header.varflags & 0x100)
2485         if (!ctl2_write_chunk(fd, &typelib->help_string_dll_offset, sizeof(typelib->help_string_dll_offset)))
2486             return retval;
2487 
2488     if (!ctl2_write_chunk(fd, typelib->typelib_typeinfo_offsets, typelib->typelib_header.nrtypeinfos * 4)) return retval;
2489     if (!ctl2_write_chunk(fd, &typelib->typelib_segdir, sizeof(typelib->typelib_segdir))) return retval;
2490     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEINFO    )) return retval;
2491     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUIDHASH    )) return retval;
2492     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUID        )) return retval;
2493     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_REFERENCES  )) return retval;
2494     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTINFO  )) return retval;
2495     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTFILES )) return retval;
2496     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAMEHASH    )) return retval;
2497     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAME        )) return retval;
2498     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_STRING      )) return retval;
2499     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEDESC    )) return retval;
2500     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_ARRAYDESC   )) return retval;
2501     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATA    )) return retval;
2502     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATAGUID)) return retval;
2503 
2504     ctl2_write_typeinfos(typelib, fd);
2505 
2506     if (close(fd) == -1) return retval;
2507 
2508     retval = S_OK;
2509     return retval;
2510 }
2511 
2512 int create_msft_typelib(typelib_t *typelib)
2513 {
2514     msft_typelib_t *msft;
2515     int failed = 0;
2516     const statement_t *stmt;
2517     time_t cur_time;
2518     char *time_override;
2519     unsigned int version = 5 << 24 | 1 << 16 | 164; /* 5.01.0164 */
2520     GUID midl_time_guid    = {0xde77ba63,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2521     GUID midl_version_guid = {0xde77ba64,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2522 
2523     msft = xmalloc(sizeof(*msft));
2524     memset(msft, 0, sizeof(*msft));
2525     msft->typelib = typelib;
2526 
2527     ctl2_init_header(msft);
2528     ctl2_init_segdir(msft);
2529 
2530     msft->typelib_header.varflags |= SYS_WIN32;
2531 
2532     /*
2533      * The following two calls return an offset or -1 if out of memory. We
2534      * specifically need an offset of 0, however, so...
2535      */
2536     if (ctl2_alloc_segment(msft, MSFT_SEG_GUIDHASH, 0x80, 0x80)) { failed = 1; }
2537     if (ctl2_alloc_segment(msft, MSFT_SEG_NAMEHASH, 0x200, 0x200)) { failed = 1; }
2538 
2539     if(failed)
2540     {
2541         free(msft);
2542         return 0;
2543     }
2544 
2545     msft->typelib_guidhash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_GUIDHASH];
2546     msft->typelib_namehash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_NAMEHASH];
2547 
2548     memset(msft->typelib_guidhash_segment, 0xff, 0x80);
2549     memset(msft->typelib_namehash_segment, 0xff, 0x200);
2550 
2551     set_lib_flags(msft);
2552     set_lcid(msft);
2553     set_help_file_name(msft);
2554     set_doc_string(msft);
2555     set_guid(msft);
2556     set_version(msft);
2557     set_name(msft);
2558     set_help_context(msft);
2559     set_help_string_dll(msft);
2560     set_help_string_context(msft);
2561     
2562     /* midl adds two sets of custom data to the library: the current unix time
2563        and midl's version number */
2564     time_override = getenv( "WIDL_TIME_OVERRIDE");
2565     cur_time = time_override ? atol( time_override) : time(NULL);
2566     set_custdata(msft, &midl_time_guid, VT_UI4, &cur_time, &msft->typelib_header.CustomDataOffset);
2567     set_custdata(msft, &midl_version_guid, VT_UI4, &version, &msft->typelib_header.CustomDataOffset);
2568 
2569     if (typelib->stmts)
2570         LIST_FOR_EACH_ENTRY( stmt, typelib->stmts, const statement_t, entry )
2571             add_entry(msft, stmt);
2572 
2573     save_all_changes(msft);
2574     free(msft);
2575     return 1;
2576 }
2577 

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