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wined3d: CreateAdditionalSwapChain bugfix.
[wine/wine64.git] / tools / widl / parser.y
blob5b4c5ff860cf4d838fb010bc76eda9dcd2eb3e92
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <assert.h>
28 #include <ctype.h>
29 #include <string.h>
30 #ifdef HAVE_ALLOCA_H
31 #include <alloca.h>
32 #endif
33
34 #include "windef.h"
35
36 #include "widl.h"
37 #include "utils.h"
38 #include "parser.h"
39 #include "header.h"
40 #include "typelib.h"
41 #include "typegen.h"
42
43 #if defined(YYBYACC)
44 /* Berkeley yacc (byacc) doesn't seem to know about these */
45 /* Some *BSD supplied versions do define these though */
46 # ifndef YYEMPTY
47 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
48 # endif
49 # ifndef YYLEX
50 # define YYLEX yylex()
51 # endif
52
53 #elif defined(YYBISON)
54 /* Bison was used for original development */
55 /* #define YYEMPTY -2 */
56 /* #define YYLEX yylex() */
57
58 #else
59 /* No yacc we know yet */
60 # if !defined(YYEMPTY) || !defined(YYLEX)
61 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
62 # elif defined(__GNUC__) /* gcc defines the #warning directive */
63 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
64 /* #else we just take a chance that it works... */
65 # endif
66 #endif
67
68 typedef struct list typelist_t;
69 struct typenode {
70 type_t *type;
71 struct list entry;
72 };
73
74 typelist_t incomplete_types = LIST_INIT(incomplete_types);
75
76 static void add_incomplete(type_t *t);
77 static void fix_incomplete(void);
78
79 static str_list_t *append_str(str_list_t *list, char *str);
80 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
81 static attr_t *make_attr(enum attr_type type);
82 static attr_t *make_attrv(enum attr_type type, unsigned long val);
83 static attr_t *make_attrp(enum attr_type type, void *val);
84 static expr_t *make_expr(enum expr_type type);
85 static expr_t *make_exprl(enum expr_type type, long val);
86 static expr_t *make_exprd(enum expr_type type, double val);
87 static expr_t *make_exprs(enum expr_type type, char *val);
88 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
89 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
90 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
91 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
92 static type_t *make_type(unsigned char type, type_t *ref);
93 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
94 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
95 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr);
96 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
97 static ifref_t *make_ifref(type_t *iface);
98 static var_list_t *append_var(var_list_t *list, var_t *var);
99 static var_t *make_var(char *name);
100 static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
101 static pident_t *make_pident(var_t *var);
102 static func_list_t *append_func(func_list_t *list, func_t *func);
103 static func_t *make_func(var_t *def, var_list_t *args);
104 static type_t *make_class(char *name);
105 static type_t *make_safearray(type_t *type);
106 static type_t *make_builtin(char *name);
107 static type_t *make_int(int sign);
108
109 static type_t *reg_type(type_t *type, const char *name, int t);
110 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
111 static type_t *find_type(const char *name, int t);
112 static type_t *find_type2(char *name, int t);
113 static type_t *get_type(unsigned char type, char *name, int t);
114 static type_t *get_typev(unsigned char type, var_t *name, int t);
115 static int get_struct_type(var_list_t *fields);
116
117 static var_t *reg_const(var_t *var);
118 static var_t *find_const(char *name, int f);
119
120 static void write_libid(const char *name, const attr_list_t *attr);
121 static void write_clsid(type_t *cls);
122 static void write_diid(type_t *iface);
123 static void write_iid(type_t *iface);
124
125 static int compute_method_indexes(type_t *iface);
126 static char *gen_name(void);
127 static void process_typedefs(var_list_t *names);
128 static void check_arg(var_t *arg);
129 static void check_all_user_types(ifref_list_t *ifaces);
130
131 #define tsENUM 1
132 #define tsSTRUCT 2
133 #define tsUNION 3
134
135 %}
136 %union {
137 attr_t *attr;
138 attr_list_t *attr_list;
139 str_list_t *str_list;
140 expr_t *expr;
141 expr_list_t *expr_list;
142 array_dims_t *array_dims;
143 type_t *type;
144 var_t *var;
145 var_list_t *var_list;
146 pident_t *pident;
147 pident_list_t *pident_list;
148 func_t *func;
149 func_list_t *func_list;
150 ifref_t *ifref;
151 ifref_list_t *ifref_list;
152 char *str;
153 UUID *uuid;
154 unsigned int num;
155 double dbl;
156 }
157
158 %token <str> aIDENTIFIER
159 %token <str> aKNOWNTYPE
160 %token <num> aNUM aHEXNUM
161 %token <dbl> aDOUBLE
162 %token <str> aSTRING
163 %token <uuid> aUUID
164 %token aEOF
165 %token SHL SHR
166 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
167 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
168 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
169 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
170 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
171 %token tDEFAULT
172 %token tDEFAULTCOLLELEM
173 %token tDEFAULTVALUE
174 %token tDEFAULTVTABLE
175 %token tDISPLAYBIND
176 %token tDISPINTERFACE
177 %token tDLLNAME tDOUBLE tDUAL
178 %token tENDPOINT
179 %token tENTRY tENUM tERRORSTATUST
180 %token tEXPLICITHANDLE tEXTERN
181 %token tFALSE
182 %token tFLOAT
183 %token tHANDLE
184 %token tHANDLET
185 %token tHELPCONTEXT tHELPFILE
186 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
187 %token tHIDDEN
188 %token tHYPER tID tIDEMPOTENT
189 %token tIIDIS
190 %token tIMMEDIATEBIND
191 %token tIMPLICITHANDLE
192 %token tIMPORT tIMPORTLIB
193 %token tIN tINLINE
194 %token tINPUTSYNC
195 %token tINT tINT64
196 %token tINTERFACE
197 %token tLCID
198 %token tLENGTHIS tLIBRARY
199 %token tLOCAL
200 %token tLONG
201 %token tMETHODS
202 %token tMODULE
203 %token tNONBROWSABLE
204 %token tNONCREATABLE
205 %token tNONEXTENSIBLE
206 %token tOBJECT tODL tOLEAUTOMATION
207 %token tOPTIONAL
208 %token tOUT
209 %token tPOINTERDEFAULT
210 %token tPROPERTIES
211 %token tPROPGET tPROPPUT tPROPPUTREF
212 %token tPTR
213 %token tPUBLIC
214 %token tRANGE
215 %token tREADONLY tREF
216 %token tREQUESTEDIT
217 %token tRESTRICTED
218 %token tRETVAL
219 %token tSAFEARRAY
220 %token tSHORT
221 %token tSIGNED
222 %token tSINGLE
223 %token tSIZEIS tSIZEOF
224 %token tSMALL
225 %token tSOURCE
226 %token tSTDCALL
227 %token tSTRING tSTRUCT
228 %token tSWITCH tSWITCHIS tSWITCHTYPE
229 %token tTRANSMITAS
230 %token tTRUE
231 %token tTYPEDEF
232 %token tUNION
233 %token tUNIQUE
234 %token tUNSIGNED
235 %token tUUID
236 %token tV1ENUM
237 %token tVARARG
238 %token tVERSION
239 %token tVOID
240 %token tWCHAR tWIREMARSHAL
241
242 %type <attr> attribute
243 %type <attr_list> m_attributes attributes attrib_list
244 %type <str_list> str_list
245 %type <expr> m_expr expr expr_const
246 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
247 %type <array_dims> array array_list
248 %type <type> inherit interface interfacehdr interfacedef interfacedec
249 %type <type> dispinterface dispinterfacehdr dispinterfacedef
250 %type <type> module modulehdr moduledef
251 %type <type> base_type int_std
252 %type <type> enumdef structdef uniondef
253 %type <type> type
254 %type <ifref> coclass_int
255 %type <ifref_list> gbl_statements coclass_ints
256 %type <var> arg field s_field case enum constdef externdef
257 %type <var_list> m_args no_args args fields cases enums enum_list dispint_props
258 %type <var> m_ident t_ident ident
259 %type <pident> p_ident pident
260 %type <pident_list> pident_list
261 %type <func> funcdef
262 %type <func_list> int_statements dispint_meths
263 %type <type> coclass coclasshdr coclassdef
264 %type <num> pointer_type version
265 %type <str> libraryhdr
266
267 %left ','
268 %right '?' ':'
269 %left '|'
270 %left '&'
271 %left '-' '+'
272 %left '*' '/'
273 %left SHL SHR
274 %right '~'
275 %right CAST
276 %right PPTR
277 %right NEG
278
279 %%
280
281 input: gbl_statements { fix_incomplete();
282 check_all_user_types($1);
283 write_proxies($1);
284 write_client($1);
285 write_server($1);
286 }
287 ;
288
289 gbl_statements: { $$ = NULL; }
290 | gbl_statements interfacedec { $$ = $1; }
291 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
292 | gbl_statements coclass ';' { $$ = $1;
293 reg_type($2, $2->name, 0);
294 if (!parse_only && do_header) write_coclass_forward($2);
295 }
296 | gbl_statements coclassdef { $$ = $1;
297 add_typelib_entry($2);
298 reg_type($2, $2->name, 0);
299 if (!parse_only && do_header) write_coclass_forward($2);
300 }
301 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
302 | gbl_statements librarydef { $$ = $1; }
303 | gbl_statements statement { $$ = $1; }
304 ;
305
306 imp_statements: {}
307 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
308 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
309 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
310 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
311 reg_type($2, $2->name, 0);
312 if (!parse_only && do_header) write_coclass_forward($2);
313 }
314 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
315 | imp_statements statement {}
316 | imp_statements importlib {}
317 ;
318
319 int_statements: { $$ = NULL; }
320 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
321 | int_statements statement { $$ = $1; }
322 ;
323
324 statement: ';' {}
325 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
326 | cppquote {}
327 | enumdef ';' { if (!parse_only && do_header) {
328 write_type(header, $1, FALSE, NULL);
329 fprintf(header, ";\n\n");
330 }
331 }
332 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
333 | import {}
334 | structdef ';' { if (!parse_only && do_header) {
335 write_type(header, $1, FALSE, NULL);
336 fprintf(header, ";\n\n");
337 }
338 }
339 | typedef ';' {}
340 | uniondef ';' { if (!parse_only && do_header) {
341 write_type(header, $1, FALSE, NULL);
342 fprintf(header, ";\n\n");
343 }
344 }
345 ;
346
347 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
348 ;
349 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
350 if (!do_import($2)) yychar = aEOF; }
351 ;
352 import: import_start imp_statements aEOF {}
353 ;
354
355 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
356 ;
357
358 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
359 ;
360 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
361 if (!parse_only && do_header) write_library($2, $1);
362 if (!parse_only && do_idfile) write_libid($2, $1);
363 }
364 ;
365 librarydef: library_start imp_statements '}' { end_typelib(); }
366 ;
367
368 m_args: { $$ = NULL; }
369 | args
370 ;
371
372 no_args: tVOID { $$ = NULL; }
373 ;
374
375 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
376 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
377 | no_args
378 ;
379
380 /* split into two rules to get bison to resolve a tVOID conflict */
381 arg: attributes type pident array { $$ = $3->var;
382 $$->attrs = $1;
383 set_type($$, $2, $3->ptr_level, $4);
384 free($3);
385 }
386 | type pident array { $$ = $2->var;
387 set_type($$, $1, $2->ptr_level, $3);
388 free($2);
389 }
390 | attributes type pident '(' m_args ')' { $$ = $3->var;
391 $$->attrs = $1;
392 set_type($$, $2, $3->ptr_level - 1, NULL);
393 free($3);
394 $$->args = $5;
395 }
396 | type pident '(' m_args ')' { $$ = $2->var;
397 set_type($$, $1, $2->ptr_level - 1, NULL);
398 free($2);
399 $$->args = $4;
400 }
401 ;
402
403 array: { $$ = NULL; }
404 | '[' array_list ']' { $$ = $2; }
405 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
406 ;
407
408 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
409 | array_list ',' expr { $$ = append_array( $1, $3 ); }
410 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
411 ;
412
413 m_attributes: { $$ = NULL; }
414 | attributes
415 ;
416
417 attributes:
418 '[' attrib_list ']' { $$ = $2;
419 if (!$$)
420 yyerror("empty attribute lists unsupported");
421 }
422 ;
423
424 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
425 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
426 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
427 ;
428
429 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
430 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
431 ;
432
433 attribute: { $$ = NULL; }
434 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
435 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
436 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
437 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
438 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
439 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
440 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
441 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
442 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
443 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
444 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
445 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
446 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
447 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
448 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
449 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
450 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
451 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
452 | tDUAL { $$ = make_attr(ATTR_DUAL); }
453 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
454 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
455 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
456 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
457 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
458 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
459 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
460 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
461 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
462 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
463 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
464 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
465 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
466 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
467 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
468 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
469 | tIN { $$ = make_attr(ATTR_IN); }
470 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
471 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
472 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
473 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
474 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
475 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
476 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
477 | tODL { $$ = make_attr(ATTR_ODL); }
478 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
479 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
480 | tOUT { $$ = make_attr(ATTR_OUT); }
481 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
482 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
483 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
484 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
485 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
486 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
487 list = append_expr( list, $5 );
488 $$ = make_attrp(ATTR_RANGE, list); }
489 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
490 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
491 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
492 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
493 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
494 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
495 | tSTRING { $$ = make_attr(ATTR_STRING); }
496 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
497 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
498 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
499 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
500 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
501 | tVARARG { $$ = make_attr(ATTR_VARARG); }
502 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
503 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
504 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
505 ;
506
507 callconv:
508 | tSTDCALL
509 ;
510
511 cases: { $$ = NULL; }
512 | cases case { $$ = append_var( $1, $2 ); }
513 ;
514
515 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
516 $$ = $4; if (!$$) $$ = make_var(NULL);
517 $$->attrs = append_attr( $$->attrs, a );
518 }
519 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
520 $$ = $3; if (!$$) $$ = make_var(NULL);
521 $$->attrs = append_attr( $$->attrs, a );
522 }
523 ;
524
525 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
526 set_type($$, $2, 0, NULL);
527 $$->eval = $5;
528 }
529 ;
530
531 enums: { $$ = NULL; }
532 | enum_list ',' { $$ = $1; }
533 | enum_list
534 ;
535
536 enum_list: enum { if (!$1->eval)
537 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
538 $$ = append_var( NULL, $1 );
539 }
540 | enum_list ',' enum { if (!$3->eval)
541 {
542 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
543 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
544 }
545 $$ = append_var( $1, $3 );
546 }
547 ;
548
549 enum: ident '=' expr_const { $$ = reg_const($1);
550 $$->eval = $3;
551 $$->type = make_int(0);
552 }
553 | ident { $$ = reg_const($1);
554 $$->type = make_int(0);
555 }
556 ;
557
558 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
559 $$->kind = TKIND_ENUM;
560 $$->fields = $4;
561 $$->defined = TRUE;
562 if(in_typelib)
563 add_typelib_entry($$);
564 }
565 ;
566
567 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
568 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
569 ;
570
571 /*
572 exprs: { $$ = make_expr(EXPR_VOID); }
573 | expr_list
574 ;
575
576 expr_list: expr
577 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
578 ;
579 */
580
581 m_expr: { $$ = make_expr(EXPR_VOID); }
582 | expr
583 ;
584
585 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
586 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
587 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
588 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
589 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
590 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
591 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
592 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
593 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
594 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
595 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
596 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
597 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
598 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
599 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
600 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
601 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
602 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
603 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
604 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
605 | '(' expr ')' { $$ = $2; }
606 ;
607
608 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
609 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
610 ;
611
612 expr_const: expr { $$ = $1;
613 if (!$$->is_const)
614 yyerror("expression is not constant");
615 }
616 ;
617
618 externdef: tEXTERN tCONST type ident { $$ = $4;
619 set_type($$, $3, 0, NULL);
620 }
621 ;
622
623 fields: { $$ = NULL; }
624 | fields field { $$ = append_var( $1, $2 ); }
625 ;
626
627 field: s_field ';' { $$ = $1; }
628 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
629 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
630 | ';' { $$ = NULL; }
631 ;
632
633 s_field: m_attributes type pident array { $$ = $3->var;
634 $$->attrs = $1;
635 set_type($$, $2, $3->ptr_level, $4);
636 free($3);
637 }
638 ;
639
640 funcdef:
641 m_attributes type callconv pident
642 '(' m_args ')' { var_t *v = $4->var;
643 v->attrs = $1;
644 set_type(v, $2, $4->ptr_level, NULL);
645 free($4);
646 $$ = make_func(v, $6);
647 if (is_attr(v->attrs, ATTR_IN)) {
648 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
649 }
650 }
651 ;
652
653 m_ident: { $$ = NULL; }
654 | ident
655 ;
656
657 t_ident: { $$ = NULL; }
658 | aIDENTIFIER { $$ = make_var($1); }
659 | aKNOWNTYPE { $$ = make_var($1); }
660 ;
661
662 ident: aIDENTIFIER { $$ = make_var($1); }
663 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
664 | aKNOWNTYPE { $$ = make_var($<str>1); }
665 ;
666
667 base_type: tBYTE { $$ = make_builtin($<str>1); }
668 | tWCHAR { $$ = make_builtin($<str>1); }
669 | int_std
670 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
671 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
672 switch ($$->type) {
673 case RPC_FC_CHAR: break;
674 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
675 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
676 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
677 case RPC_FC_HYPER:
678 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
679 {
680 $$ = alias($$, "MIDL_uhyper");
681 $$->sign = 0;
682 }
683 break;
684 default: break;
685 }
686 }
687 | tUNSIGNED { $$ = make_int(-1); }
688 | tFLOAT { $$ = make_builtin($<str>1); }
689 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
690 | tDOUBLE { $$ = make_builtin($<str>1); }
691 | tBOOLEAN { $$ = make_builtin($<str>1); }
692 | tERRORSTATUST { $$ = make_builtin($<str>1); }
693 | tHANDLET { $$ = make_builtin($<str>1); }
694 ;
695
696 m_int:
697 | tINT
698 ;
699
700 int_std: tINT { $$ = make_builtin($<str>1); }
701 | tSHORT m_int { $$ = make_builtin($<str>1); }
702 | tSMALL { $$ = make_builtin($<str>1); }
703 | tLONG m_int { $$ = make_builtin($<str>1); }
704 | tHYPER m_int { $$ = make_builtin($<str>1); }
705 | tINT64 { $$ = make_builtin($<str>1); }
706 | tCHAR { $$ = make_builtin($<str>1); }
707 ;
708
709 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
710 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
711 if ($$->defined) yyerror("multiple definition error");
712 if ($$->kind != TKIND_COCLASS) yyerror("%s was not declared a coclass", $2);
713 }
714 ;
715
716 coclasshdr: attributes coclass { $$ = $2;
717 $$->attrs = $1;
718 if (!parse_only && do_header)
719 write_coclass($$);
720 if (!parse_only && do_idfile)
721 write_clsid($$);
722 }
723 ;
724
725 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
726 $$->ifaces = $3;
727 $$->defined = TRUE;
728 }
729 ;
730
731 coclass_ints: { $$ = NULL; }
732 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
733 ;
734
735 coclass_int:
736 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
737 ;
738
739 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
740 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
741 ;
742
743 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
744 $$ = $2;
745 if ($$->defined) yyerror("multiple definition error");
746 attrs = make_attr(ATTR_DISPINTERFACE);
747 $$->attrs = append_attr( $1, attrs );
748 $$->ref = find_type("IDispatch", 0);
749 if (!$$->ref) yyerror("IDispatch is undefined");
750 $$->defined = TRUE;
751 if (!parse_only && do_header) write_forward($$);
752 }
753 ;
754
755 dispint_props: tPROPERTIES ':' { $$ = NULL; }
756 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
757 ;
758
759 dispint_meths: tMETHODS ':' { $$ = NULL; }
760 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
761 ;
762
763 dispinterfacedef: dispinterfacehdr '{'
764 dispint_props
765 dispint_meths
766 '}' { $$ = $1;
767 $$->fields = $3;
768 $$->funcs = $4;
769 if (!parse_only && do_header) write_dispinterface($$);
770 if (!parse_only && do_idfile) write_diid($$);
771 }
772 | dispinterfacehdr
773 '{' interface ';' '}' { $$ = $1;
774 $$->fields = $3->fields;
775 $$->funcs = $3->funcs;
776 if (!parse_only && do_header) write_dispinterface($$);
777 if (!parse_only && do_idfile) write_diid($$);
778 }
779 ;
780
781 inherit: { $$ = NULL; }
782 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
783 ;
784
785 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
786 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
787 ;
788
789 interfacehdr: attributes interface { $$ = $2;
790 if ($$->defined) yyerror("multiple definition error");
791 $$->attrs = $1;
792 $$->defined = TRUE;
793 if (!parse_only && do_header) write_forward($$);
794 }
795 ;
796
797 interfacedef: interfacehdr inherit
798 '{' int_statements '}' { $$ = $1;
799 $$->ref = $2;
800 $$->funcs = $4;
801 compute_method_indexes($$);
802 if (!parse_only && do_header) write_interface($$);
803 if (!parse_only && do_idfile) write_iid($$);
804 }
805 /* MIDL is able to import the definition of a base class from inside the
806 * definition of a derived class, I'll try to support it with this rule */
807 | interfacehdr ':' aIDENTIFIER
808 '{' import int_statements '}' { $$ = $1;
809 $$->ref = find_type2($3, 0);
810 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
811 $$->funcs = $6;
812 compute_method_indexes($$);
813 if (!parse_only && do_header) write_interface($$);
814 if (!parse_only && do_idfile) write_iid($$);
815 }
816 | dispinterfacedef { $$ = $1; }
817 ;
818
819 interfacedec:
820 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
821 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
822 ;
823
824 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
825 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
826 ;
827
828 modulehdr: attributes module { $$ = $2;
829 $$->attrs = $1;
830 }
831 ;
832
833 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
834 $$->funcs = $3;
835 /* FIXME: if (!parse_only && do_header) write_module($$); */
836 }
837 ;
838
839 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
840 | tCONST p_ident { $$ = $2; /* FIXME */ }
841 ;
842
843 pident: ident { $$ = make_pident($1); }
844 | p_ident
845 | '(' pident ')' { $$ = $2; }
846 ;
847
848 pident_list:
849 pident { $$ = append_pident( NULL, $1 ); }
850 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
851 ;
852
853 pointer_type:
854 tREF { $$ = RPC_FC_RP; }
855 | tUNIQUE { $$ = RPC_FC_UP; }
856 | tPTR { $$ = RPC_FC_FP; }
857 ;
858
859 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
860 /* overwrite RPC_FC_STRUCT with a more exact type */
861 $$->type = get_struct_type( $4 );
862 $$->kind = TKIND_RECORD;
863 $$->fields = $4;
864 $$->defined = TRUE;
865 if(in_typelib)
866 add_typelib_entry($$);
867 }
868 ;
869
870 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
871 | aKNOWNTYPE { $$ = find_type($1, 0); }
872 | base_type { $$ = $1; }
873 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
874 | enumdef { $$ = $1; }
875 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
876 | structdef { $$ = $1; }
877 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
878 | uniondef { $$ = $1; }
879 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
880 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
881 ;
882
883 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
884 process_typedefs($4);
885 }
886 ;
887
888 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
889 $$->kind = TKIND_UNION;
890 $$->fields = $4;
891 $$->defined = TRUE;
892 }
893 | tUNION t_ident
894 tSWITCH '(' s_field ')'
895 m_ident '{' cases '}' { var_t *u = $7;
896 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
897 $$->kind = TKIND_UNION;
898 if (!u) u = make_var( xstrdup("tagged_union") );
899 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
900 u->type->kind = TKIND_UNION;
901 u->type->fields = $9;
902 u->type->defined = TRUE;
903 $$->fields = append_var( $$->fields, $5 );
904 $$->fields = append_var( $$->fields, u );
905 $$->defined = TRUE;
906 }
907 ;
908
909 version:
910 aNUM { $$ = MAKELONG($1, 0); }
911 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
912 ;
913
914 %%
915
916 static void decl_builtin(const char *name, unsigned char type)
917 {
918 type_t *t = make_type(type, NULL);
919 t->name = xstrdup(name);
920 reg_type(t, name, 0);
921 }
922
923 static type_t *make_builtin(char *name)
924 {
925 /* NAME is strdup'd in the lexer */
926 type_t *t = duptype(find_type(name, 0), 0);
927 t->name = name;
928 return t;
929 }
930
931 static type_t *make_int(int sign)
932 {
933 type_t *t = duptype(find_type("int", 0), 1);
934
935 t->sign = sign;
936 if (sign < 0)
937 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
938
939 return t;
940 }
941
942 void init_types(void)
943 {
944 decl_builtin("void", 0);
945 decl_builtin("byte", RPC_FC_BYTE);
946 decl_builtin("wchar_t", RPC_FC_WCHAR);
947 decl_builtin("int", RPC_FC_LONG); /* win32 */
948 decl_builtin("short", RPC_FC_SHORT);
949 decl_builtin("small", RPC_FC_SMALL);
950 decl_builtin("long", RPC_FC_LONG);
951 decl_builtin("hyper", RPC_FC_HYPER);
952 decl_builtin("__int64", RPC_FC_HYPER);
953 decl_builtin("char", RPC_FC_CHAR);
954 decl_builtin("float", RPC_FC_FLOAT);
955 decl_builtin("double", RPC_FC_DOUBLE);
956 decl_builtin("boolean", RPC_FC_BYTE);
957 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
958 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
959 }
960
961 static str_list_t *append_str(str_list_t *list, char *str)
962 {
963 struct str_list_entry_t *entry;
964
965 if (!str) return list;
966 if (!list)
967 {
968 list = xmalloc( sizeof(*list) );
969 list_init( list );
970 }
971 entry = xmalloc( sizeof(*entry) );
972 entry->str = str;
973 list_add_tail( list, &entry->entry );
974 return list;
975 }
976
977 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
978 {
979 if (!attr) return list;
980 if (!list)
981 {
982 list = xmalloc( sizeof(*list) );
983 list_init( list );
984 }
985 list_add_tail( list, &attr->entry );
986 return list;
987 }
988
989 static attr_t *make_attr(enum attr_type type)
990 {
991 attr_t *a = xmalloc(sizeof(attr_t));
992 a->type = type;
993 a->u.ival = 0;
994 return a;
995 }
996
997 static attr_t *make_attrv(enum attr_type type, unsigned long val)
998 {
999 attr_t *a = xmalloc(sizeof(attr_t));
1000 a->type = type;
1001 a->u.ival = val;
1002 return a;
1003 }
1004
1005 static attr_t *make_attrp(enum attr_type type, void *val)
1006 {
1007 attr_t *a = xmalloc(sizeof(attr_t));
1008 a->type = type;
1009 a->u.pval = val;
1010 return a;
1011 }
1012
1013 static expr_t *make_expr(enum expr_type type)
1014 {
1015 expr_t *e = xmalloc(sizeof(expr_t));
1016 e->type = type;
1017 e->ref = NULL;
1018 e->u.lval = 0;
1019 e->is_const = FALSE;
1020 return e;
1021 }
1022
1023 static expr_t *make_exprl(enum expr_type type, long val)
1024 {
1025 expr_t *e = xmalloc(sizeof(expr_t));
1026 e->type = type;
1027 e->ref = NULL;
1028 e->u.lval = val;
1029 e->is_const = FALSE;
1030 /* check for numeric constant */
1031 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
1032 /* make sure true/false value is valid */
1033 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1034 e->is_const = TRUE;
1035 e->cval = val;
1036 }
1037 return e;
1038 }
1039
1040 static expr_t *make_exprd(enum expr_type type, double val)
1041 {
1042 expr_t *e = xmalloc(sizeof(expr_t));
1043 e->type = type;
1044 e->ref = NULL;
1045 e->u.dval = val;
1046 e->is_const = TRUE;
1047 e->cval = val;
1048 return e;
1049 }
1050
1051 static expr_t *make_exprs(enum expr_type type, char *val)
1052 {
1053 expr_t *e;
1054 e = xmalloc(sizeof(expr_t));
1055 e->type = type;
1056 e->ref = NULL;
1057 e->u.sval = val;
1058 e->is_const = FALSE;
1059 /* check for predefined constants */
1060 if (type == EXPR_IDENTIFIER) {
1061 var_t *c = find_const(val, 0);
1062 if (c) {
1063 e->u.sval = c->name;
1064 free(val);
1065 e->is_const = TRUE;
1066 e->cval = c->eval->cval;
1067 }
1068 }
1069 return e;
1070 }
1071
1072 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1073 {
1074 expr_t *e;
1075 e = xmalloc(sizeof(expr_t));
1076 e->type = type;
1077 e->ref = expr;
1078 e->u.tref = tref;
1079 e->is_const = FALSE;
1080 /* check for cast of constant expression */
1081 if (type == EXPR_SIZEOF) {
1082 switch (tref->type) {
1083 case RPC_FC_BYTE:
1084 case RPC_FC_CHAR:
1085 case RPC_FC_SMALL:
1086 case RPC_FC_USMALL:
1087 e->is_const = TRUE;
1088 e->cval = 1;
1089 break;
1090 case RPC_FC_WCHAR:
1091 case RPC_FC_USHORT:
1092 case RPC_FC_SHORT:
1093 e->is_const = TRUE;
1094 e->cval = 2;
1095 break;
1096 case RPC_FC_LONG:
1097 case RPC_FC_ULONG:
1098 case RPC_FC_FLOAT:
1099 case RPC_FC_ERROR_STATUS_T:
1100 e->is_const = TRUE;
1101 e->cval = 4;
1102 break;
1103 case RPC_FC_HYPER:
1104 case RPC_FC_DOUBLE:
1105 e->is_const = TRUE;
1106 e->cval = 8;
1107 break;
1108 }
1109 }
1110 if (type == EXPR_CAST && expr->is_const) {
1111 e->is_const = TRUE;
1112 e->cval = expr->cval;
1113 }
1114 return e;
1115 }
1116
1117 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1118 {
1119 expr_t *e;
1120 e = xmalloc(sizeof(expr_t));
1121 e->type = type;
1122 e->ref = expr;
1123 e->u.lval = 0;
1124 e->is_const = FALSE;
1125 /* check for compile-time optimization */
1126 if (expr->is_const) {
1127 e->is_const = TRUE;
1128 switch (type) {
1129 case EXPR_NEG:
1130 e->cval = -expr->cval;
1131 break;
1132 case EXPR_NOT:
1133 e->cval = ~expr->cval;
1134 break;
1135 default:
1136 e->is_const = FALSE;
1137 break;
1138 }
1139 }
1140 return e;
1141 }
1142
1143 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1144 {
1145 expr_t *e;
1146 e = xmalloc(sizeof(expr_t));
1147 e->type = type;
1148 e->ref = expr1;
1149 e->u.ext = expr2;
1150 e->is_const = FALSE;
1151 /* check for compile-time optimization */
1152 if (expr1->is_const && expr2->is_const) {
1153 e->is_const = TRUE;
1154 switch (type) {
1155 case EXPR_ADD:
1156 e->cval = expr1->cval + expr2->cval;
1157 break;
1158 case EXPR_SUB:
1159 e->cval = expr1->cval - expr2->cval;
1160 break;
1161 case EXPR_MUL:
1162 e->cval = expr1->cval * expr2->cval;
1163 break;
1164 case EXPR_DIV:
1165 e->cval = expr1->cval / expr2->cval;
1166 break;
1167 case EXPR_OR:
1168 e->cval = expr1->cval | expr2->cval;
1169 break;
1170 case EXPR_AND:
1171 e->cval = expr1->cval & expr2->cval;
1172 break;
1173 case EXPR_SHL:
1174 e->cval = expr1->cval << expr2->cval;
1175 break;
1176 case EXPR_SHR:
1177 e->cval = expr1->cval >> expr2->cval;
1178 break;
1179 default:
1180 e->is_const = FALSE;
1181 break;
1182 }
1183 }
1184 return e;
1185 }
1186
1187 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1188 {
1189 expr_t *e;
1190 e = xmalloc(sizeof(expr_t));
1191 e->type = type;
1192 e->ref = expr1;
1193 e->u.ext = expr2;
1194 e->ext2 = expr3;
1195 e->is_const = FALSE;
1196 /* check for compile-time optimization */
1197 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1198 e->is_const = TRUE;
1199 switch (type) {
1200 case EXPR_COND:
1201 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1202 break;
1203 default:
1204 e->is_const = FALSE;
1205 break;
1206 }
1207 }
1208 return e;
1209 }
1210
1211 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1212 {
1213 if (!expr) return list;
1214 if (!list)
1215 {
1216 list = xmalloc( sizeof(*list) );
1217 list_init( list );
1218 }
1219 list_add_tail( list, &expr->entry );
1220 return list;
1221 }
1222
1223 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1224 {
1225 if (!expr) return list;
1226 if (!list)
1227 {
1228 list = xmalloc( sizeof(*list) );
1229 list_init( list );
1230 }
1231 list_add_tail( list, &expr->entry );
1232 return list;
1233 }
1234
1235 static type_t *make_type(unsigned char type, type_t *ref)
1236 {
1237 type_t *t = xmalloc(sizeof(type_t));
1238 t->name = NULL;
1239 t->kind = TKIND_PRIMITIVE;
1240 t->type = type;
1241 t->ref = ref;
1242 t->attrs = NULL;
1243 t->orig = NULL;
1244 t->funcs = NULL;
1245 t->fields = NULL;
1246 t->ifaces = NULL;
1247 t->dim = 0;
1248 t->size_is = NULL;
1249 t->length_is = NULL;
1250 t->typestring_offset = 0;
1251 t->declarray = FALSE;
1252 t->ignore = (parse_only != 0);
1253 t->is_const = FALSE;
1254 t->sign = 0;
1255 t->defined = FALSE;
1256 t->written = FALSE;
1257 t->user_types_registered = FALSE;
1258 t->tfswrite = FALSE;
1259 t->typelib_idx = -1;
1260 return t;
1261 }
1262
1263 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr)
1264 {
1265 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1266 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1267 int sizeless, has_varconf;
1268 expr_t *dim;
1269 type_t *atype, **ptype;
1270
1271 v->type = type;
1272
1273 for ( ; 0 < ptr_level; --ptr_level)
1274 v->type = make_type(RPC_FC_RP, v->type);
1275
1276 sizeless = FALSE;
1277 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1278 {
1279 if (sizeless)
1280 error("%s: only the first array dimension can be unspecified\n", v->name);
1281
1282 if (dim->is_const)
1283 {
1284 unsigned int align = 0;
1285 size_t size = type_memsize(v->type, &align);
1286
1287 if (dim->cval <= 0)
1288 error("%s: array dimension must be positive\n", v->name);
1289
1290 if (0xffffffffuL / size < (unsigned long) dim->cval)
1291 error("%s: total array size is too large", v->name);
1292 else if (0xffffuL < size * dim->cval)
1293 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1294 else
1295 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1296 }
1297 else
1298 {
1299 sizeless = TRUE;
1300 v->type = make_type(RPC_FC_CARRAY, v->type);
1301 }
1302
1303 v->type->declarray = TRUE;
1304 v->type->dim = dim->cval;
1305 }
1306
1307 ptype = &v->type;
1308 has_varconf = FALSE;
1309 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1310 {
1311 if (dim->type != EXPR_VOID)
1312 {
1313 has_varconf = TRUE;
1314 atype = *ptype = duptype(*ptype, 0);
1315
1316 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1317 error("%s: cannot specify size_is for a fixed sized array\n", v->name);
1318
1319 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1320 error("%s: size_is attribute applied to illegal type\n", v->name);
1321
1322 atype->type = RPC_FC_CARRAY;
1323 atype->size_is = dim;
1324 }
1325
1326 ptype = &(*ptype)->ref;
1327 if (*ptype == NULL)
1328 error("%s: too many expressions in size_is attribute\n", v->name);
1329 }
1330
1331 ptype = &v->type;
1332 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1333 {
1334 if (dim->type != EXPR_VOID)
1335 {
1336 has_varconf = TRUE;
1337 atype = *ptype = duptype(*ptype, 0);
1338
1339 if (atype->type == RPC_FC_SMFARRAY)
1340 atype->type = RPC_FC_SMVARRAY;
1341 else if (atype->type == RPC_FC_LGFARRAY)
1342 atype->type = RPC_FC_LGVARRAY;
1343 else if (atype->type == RPC_FC_CARRAY)
1344 atype->type = RPC_FC_CVARRAY;
1345 else
1346 error("%s: length_is attribute applied to illegal type\n", v->name);
1347
1348 atype->length_is = dim;
1349 }
1350
1351 ptype = &(*ptype)->ref;
1352 if (*ptype == NULL)
1353 error("%s: too many expressions in length_is attribute\n", v->name);
1354 }
1355
1356 if (has_varconf && !last_array(v->type))
1357 {
1358 ptype = &v->type;
1359 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1360 {
1361 *ptype = duptype(*ptype, 0);
1362 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1363 }
1364 }
1365 }
1366
1367 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1368 {
1369 if (!iface) return list;
1370 if (!list)
1371 {
1372 list = xmalloc( sizeof(*list) );
1373 list_init( list );
1374 }
1375 list_add_tail( list, &iface->entry );
1376 return list;
1377 }
1378
1379 static ifref_t *make_ifref(type_t *iface)
1380 {
1381 ifref_t *l = xmalloc(sizeof(ifref_t));
1382 l->iface = iface;
1383 l->attrs = NULL;
1384 return l;
1385 }
1386
1387 static var_list_t *append_var(var_list_t *list, var_t *var)
1388 {
1389 if (!var) return list;
1390 if (!list)
1391 {
1392 list = xmalloc( sizeof(*list) );
1393 list_init( list );
1394 }
1395 list_add_tail( list, &var->entry );
1396 return list;
1397 }
1398
1399 static var_t *make_var(char *name)
1400 {
1401 var_t *v = xmalloc(sizeof(var_t));
1402 v->name = name;
1403 v->type = NULL;
1404 v->args = NULL;
1405 v->attrs = NULL;
1406 v->eval = NULL;
1407 return v;
1408 }
1409
1410 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1411 {
1412 if (!p) return list;
1413 if (!list) {
1414 list = xmalloc(sizeof(*list));
1415 list_init(list);
1416 }
1417 list_add_tail(list, &p->entry);
1418 return list;
1419 }
1420
1421 static pident_t *make_pident(var_t *var)
1422 {
1423 pident_t *p = xmalloc(sizeof(*p));
1424 p->var = var;
1425 p->ptr_level = 0;
1426 return p;
1427 }
1428
1429 static func_list_t *append_func(func_list_t *list, func_t *func)
1430 {
1431 if (!func) return list;
1432 if (!list)
1433 {
1434 list = xmalloc( sizeof(*list) );
1435 list_init( list );
1436 }
1437 list_add_tail( list, &func->entry );
1438 return list;
1439 }
1440
1441 static func_t *make_func(var_t *def, var_list_t *args)
1442 {
1443 func_t *f = xmalloc(sizeof(func_t));
1444 f->def = def;
1445 f->args = args;
1446 f->ignore = parse_only;
1447 f->idx = -1;
1448 return f;
1449 }
1450
1451 static type_t *make_class(char *name)
1452 {
1453 type_t *c = make_type(0, NULL);
1454 c->name = name;
1455 c->kind = TKIND_COCLASS;
1456 return c;
1457 }
1458
1459 static type_t *make_safearray(type_t *type)
1460 {
1461 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1462 sa->ref = type;
1463 return make_type(RPC_FC_FP, sa);
1464 }
1465
1466 #define HASHMAX 64
1467
1468 static int hash_ident(const char *name)
1469 {
1470 const char *p = name;
1471 int sum = 0;
1472 /* a simple sum hash is probably good enough */
1473 while (*p) {
1474 sum += *p;
1475 p++;
1476 }
1477 return sum & (HASHMAX-1);
1478 }
1479
1480 /***** type repository *****/
1481
1482 struct rtype {
1483 const char *name;
1484 type_t *type;
1485 int t;
1486 struct rtype *next;
1487 };
1488
1489 struct rtype *type_hash[HASHMAX];
1490
1491 static type_t *reg_type(type_t *type, const char *name, int t)
1492 {
1493 struct rtype *nt;
1494 int hash;
1495 if (!name) {
1496 yyerror("registering named type without name");
1497 return type;
1498 }
1499 hash = hash_ident(name);
1500 nt = xmalloc(sizeof(struct rtype));
1501 nt->name = name;
1502 nt->type = type;
1503 nt->t = t;
1504 nt->next = type_hash[hash];
1505 type_hash[hash] = nt;
1506 return type;
1507 }
1508
1509 static int is_incomplete(const type_t *t)
1510 {
1511 return !t->defined && (is_struct(t->type) || is_union(t->type));
1512 }
1513
1514 static void add_incomplete(type_t *t)
1515 {
1516 struct typenode *tn = xmalloc(sizeof *tn);
1517 tn->type = t;
1518 list_add_tail(&incomplete_types, &tn->entry);
1519 }
1520
1521 static void fix_type(type_t *t)
1522 {
1523 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1524 type_t *ot = t->orig;
1525 fix_type(ot);
1526 t->fields = ot->fields;
1527 t->defined = ot->defined;
1528 }
1529 }
1530
1531 static void fix_incomplete(void)
1532 {
1533 struct typenode *tn, *next;
1534
1535 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1536 fix_type(tn->type);
1537 free(tn);
1538 }
1539 }
1540
1541 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1542 {
1543 type_t *ptr = type;
1544 const pident_t *pident;
1545 int ptrc = 0;
1546 int is_str = is_attr(attrs, ATTR_STRING);
1547 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1548
1549 if (is_str)
1550 {
1551 type_t *t = type;
1552 unsigned char c;
1553
1554 while (is_ptr(t))
1555 t = t->ref;
1556
1557 c = t->type;
1558 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1559 {
1560 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1561 yyerror("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays",
1562 pident->var->name);
1563 }
1564 }
1565
1566 /* We must generate names for tagless enum, struct or union.
1567 Typedef-ing a tagless enum, struct or union means we want the typedef
1568 to be included in a library whether it has other attributes or not,
1569 hence the public attribute. */
1570 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1571 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1572 {
1573 if (! is_attr(attrs, ATTR_PUBLIC))
1574 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1575 type->name = gen_name();
1576 }
1577
1578 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1579 {
1580 var_t *name = pident->var;
1581
1582 if (name->name) {
1583 type_t *cur = ptr;
1584 int cptr = pident->ptr_level;
1585 if (cptr > ptrc) {
1586 while (cptr > ptrc) {
1587 cur = ptr = make_type(RPC_FC_RP, cur);
1588 ptrc++;
1589 }
1590 } else {
1591 while (cptr < ptrc) {
1592 cur = cur->ref;
1593 cptr++;
1594 }
1595 }
1596 cur = alias(cur, name->name);
1597 cur->attrs = attrs;
1598 if (ptr_type)
1599 {
1600 if (is_ptr(cur))
1601 cur->type = ptr_type;
1602 else
1603 yyerror("'%s': pointer attribute applied to non-pointer type",
1604 cur->name);
1605 }
1606 else if (is_str && ! is_ptr(cur))
1607 yyerror("'%s': [string] attribute applied to non-pointer type",
1608 cur->name);
1609
1610 if (is_incomplete(cur))
1611 add_incomplete(cur);
1612 reg_type(cur, cur->name, 0);
1613 }
1614 }
1615 return type;
1616 }
1617
1618 static type_t *find_type(const char *name, int t)
1619 {
1620 struct rtype *cur = type_hash[hash_ident(name)];
1621 while (cur && (cur->t != t || strcmp(cur->name, name)))
1622 cur = cur->next;
1623 if (!cur) {
1624 yyerror("type '%s' not found", name);
1625 return NULL;
1626 }
1627 return cur->type;
1628 }
1629
1630 static type_t *find_type2(char *name, int t)
1631 {
1632 type_t *tp = find_type(name, t);
1633 free(name);
1634 return tp;
1635 }
1636
1637 int is_type(const char *name)
1638 {
1639 struct rtype *cur = type_hash[hash_ident(name)];
1640 while (cur && (cur->t || strcmp(cur->name, name)))
1641 cur = cur->next;
1642 if (cur) return TRUE;
1643 return FALSE;
1644 }
1645
1646 static type_t *get_type(unsigned char type, char *name, int t)
1647 {
1648 struct rtype *cur = NULL;
1649 type_t *tp;
1650 if (name) {
1651 cur = type_hash[hash_ident(name)];
1652 while (cur && (cur->t != t || strcmp(cur->name, name)))
1653 cur = cur->next;
1654 }
1655 if (cur) {
1656 free(name);
1657 return cur->type;
1658 }
1659 tp = make_type(type, NULL);
1660 tp->name = name;
1661 if (!name) return tp;
1662 return reg_type(tp, name, t);
1663 }
1664
1665 static type_t *get_typev(unsigned char type, var_t *name, int t)
1666 {
1667 char *sname = NULL;
1668 if (name) {
1669 sname = name->name;
1670 free(name);
1671 }
1672 return get_type(type, sname, t);
1673 }
1674
1675 static int get_struct_type(var_list_t *fields)
1676 {
1677 int has_pointer = 0;
1678 int has_conformance = 0;
1679 int has_variance = 0;
1680 var_t *field;
1681
1682 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1683 {
1684 type_t *t = field->type;
1685
1686 if (is_ptr(t))
1687 {
1688 do
1689 t = t->ref;
1690 while (is_ptr(t));
1691
1692 switch (t->type)
1693 {
1694 case RPC_FC_IP:
1695 case RPC_FC_ENCAPSULATED_UNION:
1696 case RPC_FC_NON_ENCAPSULATED_UNION:
1697 case RPC_FC_BOGUS_STRUCT:
1698 return RPC_FC_BOGUS_STRUCT;
1699 }
1700
1701 has_pointer = 1;
1702 continue;
1703 }
1704
1705 if (field->type->declarray)
1706 {
1707 if (is_string_type(field->attrs, field->type))
1708 {
1709 if (is_conformant_array(field->type))
1710 has_conformance = 1;
1711 has_variance = 1;
1712 continue;
1713 }
1714
1715 if (is_array(field->type->ref))
1716 return RPC_FC_BOGUS_STRUCT;
1717
1718 if (is_conformant_array(field->type))
1719 {
1720 has_conformance = 1;
1721 if (field->type->declarray && list_next(fields, &field->entry))
1722 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1723 field->name);
1724 }
1725 if (field->type->length_is)
1726 has_variance = 1;
1727
1728 t = field->type->ref;
1729 }
1730
1731 switch (t->type)
1732 {
1733 /*
1734 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1735 * Simple types don't effect the type of struct.
1736 * A struct containing a simple struct is still a simple struct.
1737 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1738 */
1739 case 0: /* void pointer */
1740 case RPC_FC_BYTE:
1741 case RPC_FC_CHAR:
1742 case RPC_FC_SMALL:
1743 case RPC_FC_USMALL:
1744 case RPC_FC_WCHAR:
1745 case RPC_FC_SHORT:
1746 case RPC_FC_USHORT:
1747 case RPC_FC_LONG:
1748 case RPC_FC_ULONG:
1749 case RPC_FC_INT3264:
1750 case RPC_FC_UINT3264:
1751 case RPC_FC_HYPER:
1752 case RPC_FC_FLOAT:
1753 case RPC_FC_DOUBLE:
1754 case RPC_FC_STRUCT:
1755 case RPC_FC_ENUM16:
1756 case RPC_FC_ENUM32:
1757 break;
1758
1759 case RPC_FC_RP:
1760 case RPC_FC_UP:
1761 case RPC_FC_FP:
1762 case RPC_FC_OP:
1763 case RPC_FC_CARRAY:
1764 case RPC_FC_CVARRAY:
1765 has_pointer = 1;
1766 break;
1767
1768 /*
1769 * Propagate member attributes
1770 * a struct should be at least as complex as its member
1771 */
1772 case RPC_FC_CVSTRUCT:
1773 has_conformance = 1;
1774 has_variance = 1;
1775 has_pointer = 1;
1776 break;
1777
1778 case RPC_FC_CPSTRUCT:
1779 has_conformance = 1;
1780 if (list_next( fields, &field->entry ))
1781 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1782 field->name);
1783 has_pointer = 1;
1784 break;
1785
1786 case RPC_FC_CSTRUCT:
1787 has_conformance = 1;
1788 if (list_next( fields, &field->entry ))
1789 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1790 field->name);
1791 break;
1792
1793 case RPC_FC_PSTRUCT:
1794 has_pointer = 1;
1795 break;
1796
1797 default:
1798 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1799 field->name, t->type);
1800 /* fallthru - treat it as complex */
1801
1802 /* as soon as we see one of these these members, it's bogus... */
1803 case RPC_FC_IP:
1804 case RPC_FC_ENCAPSULATED_UNION:
1805 case RPC_FC_NON_ENCAPSULATED_UNION:
1806 case RPC_FC_TRANSMIT_AS:
1807 case RPC_FC_REPRESENT_AS:
1808 case RPC_FC_PAD:
1809 case RPC_FC_EMBEDDED_COMPLEX:
1810 case RPC_FC_BOGUS_STRUCT:
1811 return RPC_FC_BOGUS_STRUCT;
1812 }
1813 }
1814
1815 if( has_variance )
1816 {
1817 if ( has_conformance )
1818 return RPC_FC_CVSTRUCT;
1819 else
1820 return RPC_FC_BOGUS_STRUCT;
1821 }
1822 if( has_conformance && has_pointer )
1823 return RPC_FC_CPSTRUCT;
1824 if( has_conformance )
1825 return RPC_FC_CSTRUCT;
1826 if( has_pointer )
1827 return RPC_FC_PSTRUCT;
1828 return RPC_FC_STRUCT;
1829 }
1830
1831 /***** constant repository *****/
1832
1833 struct rconst {
1834 char *name;
1835 var_t *var;
1836 struct rconst *next;
1837 };
1838
1839 struct rconst *const_hash[HASHMAX];
1840
1841 static var_t *reg_const(var_t *var)
1842 {
1843 struct rconst *nc;
1844 int hash;
1845 if (!var->name) {
1846 yyerror("registering constant without name");
1847 return var;
1848 }
1849 hash = hash_ident(var->name);
1850 nc = xmalloc(sizeof(struct rconst));
1851 nc->name = var->name;
1852 nc->var = var;
1853 nc->next = const_hash[hash];
1854 const_hash[hash] = nc;
1855 return var;
1856 }
1857
1858 static var_t *find_const(char *name, int f)
1859 {
1860 struct rconst *cur = const_hash[hash_ident(name)];
1861 while (cur && strcmp(cur->name, name))
1862 cur = cur->next;
1863 if (!cur) {
1864 if (f) yyerror("constant '%s' not found", name);
1865 return NULL;
1866 }
1867 return cur->var;
1868 }
1869
1870 static void write_libid(const char *name, const attr_list_t *attr)
1871 {
1872 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1873 write_guid(idfile, "LIBID", name, uuid);
1874 }
1875
1876 static void write_clsid(type_t *cls)
1877 {
1878 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1879 write_guid(idfile, "CLSID", cls->name, uuid);
1880 }
1881
1882 static void write_diid(type_t *iface)
1883 {
1884 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1885 write_guid(idfile, "DIID", iface->name, uuid);
1886 }
1887
1888 static void write_iid(type_t *iface)
1889 {
1890 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1891 write_guid(idfile, "IID", iface->name, uuid);
1892 }
1893
1894 static int compute_method_indexes(type_t *iface)
1895 {
1896 int idx;
1897 func_t *f;
1898
1899 if (iface->ref)
1900 idx = compute_method_indexes(iface->ref);
1901 else
1902 idx = 0;
1903
1904 if (!iface->funcs)
1905 return idx;
1906
1907 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
1908 if (! is_callas(f->def->attrs))
1909 f->idx = idx++;
1910
1911 return idx;
1912 }
1913
1914 static char *gen_name(void)
1915 {
1916 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1917 static unsigned long n = 0;
1918 static const char *file_id;
1919 static size_t size;
1920 char *name;
1921
1922 if (! file_id)
1923 {
1924 char *dst = dup_basename(input_name, ".idl");
1925 file_id = dst;
1926
1927 for (; *dst; ++dst)
1928 if (! isalnum((unsigned char) *dst))
1929 *dst = '_';
1930
1931 size = sizeof format - 7 + strlen(file_id) + 8;
1932 }
1933
1934 name = xmalloc(size);
1935 sprintf(name, format, file_id, n++);
1936 return name;
1937 }
1938
1939 static void process_typedefs(pident_list_t *pidents)
1940 {
1941 pident_t *pident, *next;
1942
1943 if (!pidents) return;
1944 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
1945 {
1946 var_t *var = pident->var;
1947 type_t *type = find_type(var->name, 0);
1948
1949 if (! parse_only && do_header)
1950 write_typedef(type);
1951 if (in_typelib && type->attrs)
1952 add_typelib_entry(type);
1953
1954 free(pident);
1955 free(var);
1956 }
1957 }
1958
1959 static void check_arg(var_t *arg)
1960 {
1961 type_t *t = arg->type;
1962
1963 if (t->type == 0 && ! is_var_ptr(arg))
1964 yyerror("argument '%s' has void type", arg->name);
1965 }
1966
1967 static void check_all_user_types(ifref_list_t *ifrefs)
1968 {
1969 const ifref_t *ifref;
1970 const func_t *f;
1971
1972 if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
1973 {
1974 const func_list_t *fs = ifref->iface->funcs;
1975 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
1976 check_for_user_types(f->args);
1977 }
1978 }