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Release 0.9.39.
[wine/dibdrv.git] / tools / widl / parser.y
blob5f30ccc1af4e3e77e029fe118bf0b6038b3fc259
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_exprs(enum expr_type type, char *val);
87 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr);
88 static expr_t *make_expr1(enum expr_type type, expr_t *expr);
89 static expr_t *make_expr2(enum expr_type type, expr_t *exp1, expr_t *exp2);
90 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3);
91 static type_t *make_type(unsigned char type, type_t *ref);
92 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
93 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
94 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr);
95 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
96 static ifref_t *make_ifref(type_t *iface);
97 static var_list_t *append_var(var_list_t *list, var_t *var);
98 static var_t *make_var(char *name);
99 static pident_list_t *append_pident(pident_list_t *list, pident_t *p);
100 static pident_t *make_pident(var_t *var);
101 static func_list_t *append_func(func_list_t *list, func_t *func);
102 static func_t *make_func(var_t *def, var_list_t *args);
103 static type_t *make_class(char *name);
104 static type_t *make_safearray(type_t *type);
105 static type_t *make_builtin(char *name);
106 static type_t *make_int(int sign);
107
108 static type_t *reg_type(type_t *type, const char *name, int t);
109 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
110 static type_t *find_type(const char *name, int t);
111 static type_t *find_type2(char *name, int t);
112 static type_t *get_type(unsigned char type, char *name, int t);
113 static type_t *get_typev(unsigned char type, var_t *name, int t);
114 static int get_struct_type(var_list_t *fields);
115
116 static var_t *reg_const(var_t *var);
117 static var_t *find_const(char *name, int f);
118
119 static void write_libid(const char *name, const attr_list_t *attr);
120 static void write_clsid(type_t *cls);
121 static void write_diid(type_t *iface);
122 static void write_iid(type_t *iface);
123
124 static int compute_method_indexes(type_t *iface);
125 static char *gen_name(void);
126 static void process_typedefs(var_list_t *names);
127 static void check_arg(var_t *arg);
128 static void check_all_user_types(ifref_list_t *ifaces);
129
130 #define tsENUM 1
131 #define tsSTRUCT 2
132 #define tsUNION 3
133
134 %}
135 %union {
136 attr_t *attr;
137 attr_list_t *attr_list;
138 str_list_t *str_list;
139 expr_t *expr;
140 expr_list_t *expr_list;
141 array_dims_t *array_dims;
142 type_t *type;
143 var_t *var;
144 var_list_t *var_list;
145 pident_t *pident;
146 pident_list_t *pident_list;
147 func_t *func;
148 func_list_t *func_list;
149 ifref_t *ifref;
150 ifref_list_t *ifref_list;
151 char *str;
152 UUID *uuid;
153 unsigned int num;
154 }
155
156 %token <str> aIDENTIFIER
157 %token <str> aKNOWNTYPE
158 %token <num> aNUM aHEXNUM
159 %token <str> aSTRING
160 %token <uuid> aUUID
161 %token aEOF
162 %token SHL SHR
163 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
164 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
165 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
166 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
167 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
168 %token tDEFAULT
169 %token tDEFAULTCOLLELEM
170 %token tDEFAULTVALUE
171 %token tDEFAULTVTABLE
172 %token tDISPLAYBIND
173 %token tDISPINTERFACE
174 %token tDLLNAME tDOUBLE tDUAL
175 %token tENDPOINT
176 %token tENTRY tENUM tERRORSTATUST
177 %token tEXPLICITHANDLE tEXTERN
178 %token tFALSE
179 %token tFLOAT
180 %token tHANDLE
181 %token tHANDLET
182 %token tHELPCONTEXT tHELPFILE
183 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
184 %token tHIDDEN
185 %token tHYPER tID tIDEMPOTENT
186 %token tIIDIS
187 %token tIMMEDIATEBIND
188 %token tIMPLICITHANDLE
189 %token tIMPORT tIMPORTLIB
190 %token tIN tINLINE
191 %token tINPUTSYNC
192 %token tINT tINT64
193 %token tINTERFACE
194 %token tLCID
195 %token tLENGTHIS tLIBRARY
196 %token tLOCAL
197 %token tLONG
198 %token tMETHODS
199 %token tMODULE
200 %token tNONBROWSABLE
201 %token tNONCREATABLE
202 %token tNONEXTENSIBLE
203 %token tOBJECT tODL tOLEAUTOMATION
204 %token tOPTIONAL
205 %token tOUT
206 %token tPOINTERDEFAULT
207 %token tPROPERTIES
208 %token tPROPGET tPROPPUT tPROPPUTREF
209 %token tPTR
210 %token tPUBLIC
211 %token tRANGE
212 %token tREADONLY tREF
213 %token tREQUESTEDIT
214 %token tRESTRICTED
215 %token tRETVAL
216 %token tSAFEARRAY
217 %token tSHORT
218 %token tSIGNED
219 %token tSINGLE
220 %token tSIZEIS tSIZEOF
221 %token tSMALL
222 %token tSOURCE
223 %token tSTDCALL
224 %token tSTRING tSTRUCT
225 %token tSWITCH tSWITCHIS tSWITCHTYPE
226 %token tTRANSMITAS
227 %token tTRUE
228 %token tTYPEDEF
229 %token tUNION
230 %token tUNIQUE
231 %token tUNSIGNED
232 %token tUUID
233 %token tV1ENUM
234 %token tVARARG
235 %token tVERSION
236 %token tVOID
237 %token tWCHAR tWIREMARSHAL
238
239 %type <attr> attribute
240 %type <attr_list> m_attributes attributes attrib_list
241 %type <str_list> str_list
242 %type <expr> m_expr expr expr_const
243 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_const
244 %type <array_dims> array array_list
245 %type <type> inherit interface interfacehdr interfacedef interfacedec
246 %type <type> dispinterface dispinterfacehdr dispinterfacedef
247 %type <type> module modulehdr moduledef
248 %type <type> base_type int_std
249 %type <type> enumdef structdef uniondef
250 %type <type> type
251 %type <ifref> coclass_int
252 %type <ifref_list> gbl_statements coclass_ints
253 %type <var> arg field s_field case enum constdef externdef
254 %type <var_list> m_args no_args args fields cases enums enum_list dispint_props
255 %type <var> m_ident t_ident ident
256 %type <pident> p_ident pident
257 %type <pident_list> pident_list
258 %type <func> funcdef
259 %type <func_list> int_statements dispint_meths
260 %type <type> coclass coclasshdr coclassdef
261 %type <num> pointer_type version
262 %type <str> libraryhdr
263
264 %left ','
265 %right '?' ':'
266 %left '|'
267 %left '&'
268 %left '-' '+'
269 %left '*' '/'
270 %left SHL SHR
271 %right '~'
272 %right CAST
273 %right PPTR
274 %right NEG
275
276 %%
277
278 input: gbl_statements { fix_incomplete();
279 check_all_user_types($1);
280 write_proxies($1);
281 write_client($1);
282 write_server($1);
283 }
284 ;
285
286 gbl_statements: { $$ = NULL; }
287 | gbl_statements interfacedec { $$ = $1; }
288 | gbl_statements interfacedef { $$ = append_ifref( $1, make_ifref($2) ); }
289 | gbl_statements coclass ';' { $$ = $1;
290 reg_type($2, $2->name, 0);
291 if (!parse_only && do_header) write_coclass_forward($2);
292 }
293 | gbl_statements coclassdef { $$ = $1;
294 add_typelib_entry($2);
295 reg_type($2, $2->name, 0);
296 if (!parse_only && do_header) write_coclass_forward($2);
297 }
298 | gbl_statements moduledef { $$ = $1; add_typelib_entry($2); }
299 | gbl_statements librarydef { $$ = $1; }
300 | gbl_statements statement { $$ = $1; }
301 ;
302
303 imp_statements: {}
304 | imp_statements interfacedec { if (!parse_only) add_typelib_entry($2); }
305 | imp_statements interfacedef { if (!parse_only) add_typelib_entry($2); }
306 | imp_statements coclass ';' { reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
307 | imp_statements coclassdef { if (!parse_only) add_typelib_entry($2);
308 reg_type($2, $2->name, 0);
309 if (!parse_only && do_header) write_coclass_forward($2);
310 }
311 | imp_statements moduledef { if (!parse_only) add_typelib_entry($2); }
312 | imp_statements statement {}
313 | imp_statements importlib {}
314 ;
315
316 int_statements: { $$ = NULL; }
317 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
318 | int_statements statement { $$ = $1; }
319 ;
320
321 statement: ';' {}
322 | constdef ';' { if (!parse_only && do_header) { write_constdef($1); } }
323 | cppquote {}
324 | enumdef ';' { if (!parse_only && do_header) {
325 write_type(header, $1, FALSE, NULL);
326 fprintf(header, ";\n\n");
327 }
328 }
329 | externdef ';' { if (!parse_only && do_header) { write_externdef($1); } }
330 | import {}
331 | structdef ';' { if (!parse_only && do_header) {
332 write_type(header, $1, FALSE, NULL);
333 fprintf(header, ";\n\n");
334 }
335 }
336 | typedef ';' {}
337 | uniondef ';' { if (!parse_only && do_header) {
338 write_type(header, $1, FALSE, NULL);
339 fprintf(header, ";\n\n");
340 }
341 }
342 ;
343
344 cppquote: tCPPQUOTE '(' aSTRING ')' { if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
345 ;
346 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
347 if (!do_import($2)) yychar = aEOF; }
348 ;
349 import: import_start imp_statements aEOF {}
350 ;
351
352 importlib: tIMPORTLIB '(' aSTRING ')' { if(!parse_only) add_importlib($3); }
353 ;
354
355 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
356 ;
357 library_start: attributes libraryhdr '{' { start_typelib($2, $1);
358 if (!parse_only && do_header) write_library($2, $1);
359 if (!parse_only && do_idfile) write_libid($2, $1);
360 }
361 ;
362 librarydef: library_start imp_statements '}' { end_typelib(); }
363 ;
364
365 m_args: { $$ = NULL; }
366 | args
367 ;
368
369 no_args: tVOID { $$ = NULL; }
370 ;
371
372 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
373 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
374 | no_args
375 ;
376
377 /* split into two rules to get bison to resolve a tVOID conflict */
378 arg: attributes type pident array { $$ = $3->var;
379 $$->attrs = $1;
380 set_type($$, $2, $3->ptr_level, $4);
381 free($3);
382 }
383 | type pident array { $$ = $2->var;
384 set_type($$, $1, $2->ptr_level, $3);
385 free($2);
386 }
387 | attributes type pident '(' m_args ')' { $$ = $3->var;
388 $$->attrs = $1;
389 set_type($$, $2, $3->ptr_level - 1, NULL);
390 free($3);
391 $$->args = $5;
392 }
393 | type pident '(' m_args ')' { $$ = $2->var;
394 set_type($$, $1, $2->ptr_level - 1, NULL);
395 free($2);
396 $$->args = $4;
397 }
398 ;
399
400 array: { $$ = NULL; }
401 | '[' array_list ']' { $$ = $2; }
402 | '[' '*' ']' { $$ = append_array( NULL, make_expr(EXPR_VOID) ); }
403 ;
404
405 array_list: m_expr /* size of first dimension is optional */ { $$ = append_array( NULL, $1 ); }
406 | array_list ',' expr { $$ = append_array( $1, $3 ); }
407 | array_list ']' '[' expr { $$ = append_array( $1, $4 ); }
408 ;
409
410 m_attributes: { $$ = NULL; }
411 | attributes
412 ;
413
414 attributes:
415 '[' attrib_list ']' { $$ = $2;
416 if (!$$)
417 yyerror("empty attribute lists unsupported");
418 }
419 ;
420
421 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
422 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
423 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
424 ;
425
426 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
427 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
428 ;
429
430 attribute: { $$ = NULL; }
431 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
432 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
433 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
434 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
435 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
436 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
437 | tCASE '(' expr_list_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
438 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
439 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
440 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
441 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
442 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
443 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
444 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_EXPR, $3); }
445 | tDEFAULTVALUE '(' aSTRING ')' { $$ = make_attrp(ATTR_DEFAULTVALUE_STRING, $3); }
446 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
447 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
448 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
449 | tDUAL { $$ = make_attr(ATTR_DUAL); }
450 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
451 | tENTRY '(' aSTRING ')' { $$ = make_attrp(ATTR_ENTRY_STRING, $3); }
452 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY_ORDINAL, $3); }
453 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
454 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
455 | tHELPCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
456 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
457 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
458 | tHELPSTRINGCONTEXT '(' expr_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
459 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
460 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
461 | tID '(' expr_const ')' { $$ = make_attrp(ATTR_ID, $3); }
462 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
463 | tIIDIS '(' ident ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
464 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
465 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
466 | tIN { $$ = make_attr(ATTR_IN); }
467 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
468 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
469 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
470 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
471 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
472 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
473 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
474 | tODL { $$ = make_attr(ATTR_ODL); }
475 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
476 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
477 | tOUT { $$ = make_attr(ATTR_OUT); }
478 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
479 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
480 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
481 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
482 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
483 | tRANGE '(' expr_const ',' expr_const ')' { expr_list_t *list = append_expr( NULL, $3 );
484 list = append_expr( list, $5 );
485 $$ = make_attrp(ATTR_RANGE, list); }
486 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
487 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
488 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
489 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
490 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
491 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
492 | tSTRING { $$ = make_attr(ATTR_STRING); }
493 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
494 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
495 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
496 | tUUID '(' aUUID ')' { $$ = make_attrp(ATTR_UUID, $3); }
497 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
498 | tVARARG { $$ = make_attr(ATTR_VARARG); }
499 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
500 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
501 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
502 ;
503
504 callconv:
505 | tSTDCALL
506 ;
507
508 cases: { $$ = NULL; }
509 | cases case { $$ = append_var( $1, $2 ); }
510 ;
511
512 case: tCASE expr ':' field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
513 $$ = $4; if (!$$) $$ = make_var(NULL);
514 $$->attrs = append_attr( $$->attrs, a );
515 }
516 | tDEFAULT ':' field { attr_t *a = make_attr(ATTR_DEFAULT);
517 $$ = $3; if (!$$) $$ = make_var(NULL);
518 $$->attrs = append_attr( $$->attrs, a );
519 }
520 ;
521
522 constdef: tCONST type ident '=' expr_const { $$ = reg_const($3);
523 set_type($$, $2, 0, NULL);
524 $$->eval = $5;
525 }
526 ;
527
528 enums: { $$ = NULL; }
529 | enum_list ',' { $$ = $1; }
530 | enum_list
531 ;
532
533 enum_list: enum { if (!$1->eval)
534 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
535 $$ = append_var( NULL, $1 );
536 }
537 | enum_list ',' enum { if (!$3->eval)
538 {
539 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
540 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
541 }
542 $$ = append_var( $1, $3 );
543 }
544 ;
545
546 enum: ident '=' expr_const { $$ = reg_const($1);
547 $$->eval = $3;
548 $$->type = make_int(0);
549 }
550 | ident { $$ = reg_const($1);
551 $$->type = make_int(0);
552 }
553 ;
554
555 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
556 $$->kind = TKIND_ENUM;
557 $$->fields = $4;
558 $$->defined = TRUE;
559 if(in_typelib)
560 add_typelib_entry($$);
561 }
562 ;
563
564 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
565 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
566 ;
567
568 /*
569 exprs: { $$ = make_expr(EXPR_VOID); }
570 | expr_list
571 ;
572
573 expr_list: expr
574 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
575 ;
576 */
577
578 m_expr: { $$ = make_expr(EXPR_VOID); }
579 | expr
580 ;
581
582 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
583 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
584 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
585 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
586 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
587 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
588 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
589 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
590 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
591 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
592 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
593 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
594 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
595 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
596 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
597 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
598 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
599 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
600 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
601 | '(' expr ')' { $$ = $2; }
602 ;
603
604 expr_list_const: expr_const { $$ = append_expr( NULL, $1 ); }
605 | expr_list_const ',' expr_const { $$ = append_expr( $1, $3 ); }
606 ;
607
608 expr_const: expr { $$ = $1;
609 if (!$$->is_const)
610 yyerror("expression is not constant");
611 }
612 ;
613
614 externdef: tEXTERN tCONST type ident { $$ = $4;
615 set_type($$, $3, 0, NULL);
616 }
617 ;
618
619 fields: { $$ = NULL; }
620 | fields field { $$ = append_var( $1, $2 ); }
621 ;
622
623 field: s_field ';' { $$ = $1; }
624 | m_attributes uniondef ';' { $$ = make_var(NULL); $$->type = $2; $$->attrs = $1; }
625 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
626 | ';' { $$ = NULL; }
627 ;
628
629 s_field: m_attributes type pident array { $$ = $3->var;
630 $$->attrs = $1;
631 set_type($$, $2, $3->ptr_level, $4);
632 free($3);
633 }
634 ;
635
636 funcdef:
637 m_attributes type callconv pident
638 '(' m_args ')' { var_t *v = $4->var;
639 v->attrs = $1;
640 set_type(v, $2, $4->ptr_level, NULL);
641 free($4);
642 $$ = make_func(v, $6);
643 if (is_attr(v->attrs, ATTR_IN)) {
644 yyerror("inapplicable attribute [in] for function '%s'",$$->def->name);
645 }
646 }
647 ;
648
649 m_ident: { $$ = NULL; }
650 | ident
651 ;
652
653 t_ident: { $$ = NULL; }
654 | aIDENTIFIER { $$ = make_var($1); }
655 | aKNOWNTYPE { $$ = make_var($1); }
656 ;
657
658 ident: aIDENTIFIER { $$ = make_var($1); }
659 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
660 | aKNOWNTYPE { $$ = make_var($<str>1); }
661 ;
662
663 base_type: tBYTE { $$ = make_builtin($<str>1); }
664 | tWCHAR { $$ = make_builtin($<str>1); }
665 | int_std
666 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
667 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
668 switch ($$->type) {
669 case RPC_FC_CHAR: break;
670 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
671 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
672 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
673 case RPC_FC_HYPER:
674 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
675 {
676 $$ = alias($$, "MIDL_uhyper");
677 $$->sign = 0;
678 }
679 break;
680 default: break;
681 }
682 }
683 | tUNSIGNED { $$ = make_int(-1); }
684 | tFLOAT { $$ = make_builtin($<str>1); }
685 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
686 | tDOUBLE { $$ = make_builtin($<str>1); }
687 | tBOOLEAN { $$ = make_builtin($<str>1); }
688 | tERRORSTATUST { $$ = make_builtin($<str>1); }
689 | tHANDLET { $$ = make_builtin($<str>1); }
690 ;
691
692 m_int:
693 | tINT
694 ;
695
696 int_std: tINT { $$ = make_builtin($<str>1); }
697 | tSHORT m_int { $$ = make_builtin($<str>1); }
698 | tSMALL { $$ = make_builtin($<str>1); }
699 | tLONG m_int { $$ = make_builtin($<str>1); }
700 | tHYPER m_int { $$ = make_builtin($<str>1); }
701 | tINT64 { $$ = make_builtin($<str>1); }
702 | tCHAR { $$ = make_builtin($<str>1); }
703 ;
704
705 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
706 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
707 if ($$->defined) yyerror("multiple definition error");
708 if ($$->kind != TKIND_COCLASS) yyerror("%s was not declared a coclass", $2);
709 }
710 ;
711
712 coclasshdr: attributes coclass { $$ = $2;
713 $$->attrs = $1;
714 if (!parse_only && do_header)
715 write_coclass($$);
716 if (!parse_only && do_idfile)
717 write_clsid($$);
718 }
719 ;
720
721 coclassdef: coclasshdr '{' coclass_ints '}' { $$ = $1;
722 $$->ifaces = $3;
723 $$->defined = TRUE;
724 }
725 ;
726
727 coclass_ints: { $$ = NULL; }
728 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
729 ;
730
731 coclass_int:
732 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
733 ;
734
735 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
736 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
737 ;
738
739 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
740 $$ = $2;
741 if ($$->defined) yyerror("multiple definition error");
742 attrs = make_attr(ATTR_DISPINTERFACE);
743 $$->attrs = append_attr( $1, attrs );
744 $$->ref = find_type("IDispatch", 0);
745 if (!$$->ref) yyerror("IDispatch is undefined");
746 $$->defined = TRUE;
747 if (!parse_only && do_header) write_forward($$);
748 }
749 ;
750
751 dispint_props: tPROPERTIES ':' { $$ = NULL; }
752 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
753 ;
754
755 dispint_meths: tMETHODS ':' { $$ = NULL; }
756 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
757 ;
758
759 dispinterfacedef: dispinterfacehdr '{'
760 dispint_props
761 dispint_meths
762 '}' { $$ = $1;
763 $$->fields = $3;
764 $$->funcs = $4;
765 if (!parse_only && do_header) write_dispinterface($$);
766 if (!parse_only && do_idfile) write_diid($$);
767 }
768 | dispinterfacehdr
769 '{' interface ';' '}' { $$ = $1;
770 $$->fields = $3->fields;
771 $$->funcs = $3->funcs;
772 if (!parse_only && do_header) write_dispinterface($$);
773 if (!parse_only && do_idfile) write_diid($$);
774 }
775 ;
776
777 inherit: { $$ = NULL; }
778 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
779 ;
780
781 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
782 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
783 ;
784
785 interfacehdr: attributes interface { $$ = $2;
786 if ($$->defined) yyerror("multiple definition error");
787 $$->attrs = $1;
788 $$->defined = TRUE;
789 if (!parse_only && do_header) write_forward($$);
790 }
791 ;
792
793 interfacedef: interfacehdr inherit
794 '{' int_statements '}' { $$ = $1;
795 $$->ref = $2;
796 $$->funcs = $4;
797 compute_method_indexes($$);
798 if (!parse_only && do_header) write_interface($$);
799 if (!parse_only && do_idfile) write_iid($$);
800 }
801 /* MIDL is able to import the definition of a base class from inside the
802 * definition of a derived class, I'll try to support it with this rule */
803 | interfacehdr ':' aIDENTIFIER
804 '{' import int_statements '}' { $$ = $1;
805 $$->ref = find_type2($3, 0);
806 if (!$$->ref) yyerror("base class '%s' not found in import", $3);
807 $$->funcs = $6;
808 compute_method_indexes($$);
809 if (!parse_only && do_header) write_interface($$);
810 if (!parse_only && do_idfile) write_iid($$);
811 }
812 | dispinterfacedef { $$ = $1; }
813 ;
814
815 interfacedec:
816 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
817 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
818 ;
819
820 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
821 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
822 ;
823
824 modulehdr: attributes module { $$ = $2;
825 $$->attrs = $1;
826 }
827 ;
828
829 moduledef: modulehdr '{' int_statements '}' { $$ = $1;
830 $$->funcs = $3;
831 /* FIXME: if (!parse_only && do_header) write_module($$); */
832 }
833 ;
834
835 p_ident: '*' pident %prec PPTR { $$ = $2; $$->ptr_level++; }
836 | tCONST p_ident { $$ = $2; /* FIXME */ }
837 ;
838
839 pident: ident { $$ = make_pident($1); }
840 | p_ident
841 | '(' pident ')' { $$ = $2; }
842 ;
843
844 pident_list:
845 pident { $$ = append_pident( NULL, $1 ); }
846 | pident_list ',' pident { $$ = append_pident( $1, $3 ); }
847 ;
848
849 pointer_type:
850 tREF { $$ = RPC_FC_RP; }
851 | tUNIQUE { $$ = RPC_FC_UP; }
852 | tPTR { $$ = RPC_FC_FP; }
853 ;
854
855 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
856 /* overwrite RPC_FC_STRUCT with a more exact type */
857 $$->type = get_struct_type( $4 );
858 $$->kind = TKIND_RECORD;
859 $$->fields = $4;
860 $$->defined = TRUE;
861 if(in_typelib)
862 add_typelib_entry($$);
863 }
864 ;
865
866 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
867 | aKNOWNTYPE { $$ = find_type($1, 0); }
868 | base_type { $$ = $1; }
869 | tCONST type { $$ = duptype($2, 1); $$->is_const = TRUE; }
870 | enumdef { $$ = $1; }
871 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
872 | structdef { $$ = $1; }
873 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
874 | uniondef { $$ = $1; }
875 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
876 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
877 ;
878
879 typedef: tTYPEDEF m_attributes type pident_list { reg_typedefs($3, $4, $2);
880 process_typedefs($4);
881 }
882 ;
883
884 uniondef: tUNION t_ident '{' fields '}' { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
885 $$->kind = TKIND_UNION;
886 $$->fields = $4;
887 $$->defined = TRUE;
888 }
889 | tUNION t_ident
890 tSWITCH '(' s_field ')'
891 m_ident '{' cases '}' { var_t *u = $7;
892 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
893 $$->kind = TKIND_UNION;
894 if (!u) u = make_var( xstrdup("tagged_union") );
895 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
896 u->type->kind = TKIND_UNION;
897 u->type->fields = $9;
898 u->type->defined = TRUE;
899 $$->fields = append_var( $$->fields, $5 );
900 $$->fields = append_var( $$->fields, u );
901 $$->defined = TRUE;
902 }
903 ;
904
905 version:
906 aNUM { $$ = MAKELONG($1, 0); }
907 | aNUM '.' aNUM { $$ = MAKELONG($1, $3); }
908 ;
909
910 %%
911
912 static void decl_builtin(const char *name, unsigned char type)
913 {
914 type_t *t = make_type(type, NULL);
915 t->name = xstrdup(name);
916 reg_type(t, name, 0);
917 }
918
919 static type_t *make_builtin(char *name)
920 {
921 /* NAME is strdup'd in the lexer */
922 type_t *t = duptype(find_type(name, 0), 0);
923 t->name = name;
924 return t;
925 }
926
927 static type_t *make_int(int sign)
928 {
929 type_t *t = duptype(find_type("int", 0), 1);
930
931 t->sign = sign;
932 if (sign < 0)
933 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
934
935 return t;
936 }
937
938 void init_types(void)
939 {
940 decl_builtin("void", 0);
941 decl_builtin("byte", RPC_FC_BYTE);
942 decl_builtin("wchar_t", RPC_FC_WCHAR);
943 decl_builtin("int", RPC_FC_LONG); /* win32 */
944 decl_builtin("short", RPC_FC_SHORT);
945 decl_builtin("small", RPC_FC_SMALL);
946 decl_builtin("long", RPC_FC_LONG);
947 decl_builtin("hyper", RPC_FC_HYPER);
948 decl_builtin("__int64", RPC_FC_HYPER);
949 decl_builtin("char", RPC_FC_CHAR);
950 decl_builtin("float", RPC_FC_FLOAT);
951 decl_builtin("double", RPC_FC_DOUBLE);
952 decl_builtin("boolean", RPC_FC_BYTE);
953 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
954 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
955 }
956
957 static str_list_t *append_str(str_list_t *list, char *str)
958 {
959 struct str_list_entry_t *entry;
960
961 if (!str) return list;
962 if (!list)
963 {
964 list = xmalloc( sizeof(*list) );
965 list_init( list );
966 }
967 entry = xmalloc( sizeof(*entry) );
968 entry->str = str;
969 list_add_tail( list, &entry->entry );
970 return list;
971 }
972
973 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
974 {
975 if (!attr) return list;
976 if (!list)
977 {
978 list = xmalloc( sizeof(*list) );
979 list_init( list );
980 }
981 list_add_tail( list, &attr->entry );
982 return list;
983 }
984
985 static attr_t *make_attr(enum attr_type type)
986 {
987 attr_t *a = xmalloc(sizeof(attr_t));
988 a->type = type;
989 a->u.ival = 0;
990 return a;
991 }
992
993 static attr_t *make_attrv(enum attr_type type, unsigned long val)
994 {
995 attr_t *a = xmalloc(sizeof(attr_t));
996 a->type = type;
997 a->u.ival = val;
998 return a;
999 }
1000
1001 static attr_t *make_attrp(enum attr_type type, void *val)
1002 {
1003 attr_t *a = xmalloc(sizeof(attr_t));
1004 a->type = type;
1005 a->u.pval = val;
1006 return a;
1007 }
1008
1009 static expr_t *make_expr(enum expr_type type)
1010 {
1011 expr_t *e = xmalloc(sizeof(expr_t));
1012 e->type = type;
1013 e->ref = NULL;
1014 e->u.lval = 0;
1015 e->is_const = FALSE;
1016 return e;
1017 }
1018
1019 static expr_t *make_exprl(enum expr_type type, long val)
1020 {
1021 expr_t *e = xmalloc(sizeof(expr_t));
1022 e->type = type;
1023 e->ref = NULL;
1024 e->u.lval = val;
1025 e->is_const = FALSE;
1026 /* check for numeric constant */
1027 if (type == EXPR_NUM || type == EXPR_HEXNUM || type == EXPR_TRUEFALSE) {
1028 /* make sure true/false value is valid */
1029 assert(type != EXPR_TRUEFALSE || val == 0 || val == 1);
1030 e->is_const = TRUE;
1031 e->cval = val;
1032 }
1033 return e;
1034 }
1035
1036 static expr_t *make_exprs(enum expr_type type, char *val)
1037 {
1038 expr_t *e;
1039 e = xmalloc(sizeof(expr_t));
1040 e->type = type;
1041 e->ref = NULL;
1042 e->u.sval = val;
1043 e->is_const = FALSE;
1044 /* check for predefined constants */
1045 if (type == EXPR_IDENTIFIER) {
1046 var_t *c = find_const(val, 0);
1047 if (c) {
1048 e->u.sval = c->name;
1049 free(val);
1050 e->is_const = TRUE;
1051 e->cval = c->eval->cval;
1052 }
1053 }
1054 return e;
1055 }
1056
1057 static expr_t *make_exprt(enum expr_type type, type_t *tref, expr_t *expr)
1058 {
1059 expr_t *e;
1060 e = xmalloc(sizeof(expr_t));
1061 e->type = type;
1062 e->ref = expr;
1063 e->u.tref = tref;
1064 e->is_const = FALSE;
1065 /* check for cast of constant expression */
1066 if (type == EXPR_SIZEOF) {
1067 switch (tref->type) {
1068 case RPC_FC_BYTE:
1069 case RPC_FC_CHAR:
1070 case RPC_FC_SMALL:
1071 case RPC_FC_USMALL:
1072 e->is_const = TRUE;
1073 e->cval = 1;
1074 break;
1075 case RPC_FC_WCHAR:
1076 case RPC_FC_USHORT:
1077 case RPC_FC_SHORT:
1078 e->is_const = TRUE;
1079 e->cval = 2;
1080 break;
1081 case RPC_FC_LONG:
1082 case RPC_FC_ULONG:
1083 case RPC_FC_FLOAT:
1084 case RPC_FC_ERROR_STATUS_T:
1085 e->is_const = TRUE;
1086 e->cval = 4;
1087 break;
1088 case RPC_FC_HYPER:
1089 case RPC_FC_DOUBLE:
1090 e->is_const = TRUE;
1091 e->cval = 8;
1092 break;
1093 }
1094 }
1095 if (type == EXPR_CAST && expr->is_const) {
1096 e->is_const = TRUE;
1097 e->cval = expr->cval;
1098 }
1099 return e;
1100 }
1101
1102 static expr_t *make_expr1(enum expr_type type, expr_t *expr)
1103 {
1104 expr_t *e;
1105 e = xmalloc(sizeof(expr_t));
1106 e->type = type;
1107 e->ref = expr;
1108 e->u.lval = 0;
1109 e->is_const = FALSE;
1110 /* check for compile-time optimization */
1111 if (expr->is_const) {
1112 e->is_const = TRUE;
1113 switch (type) {
1114 case EXPR_NEG:
1115 e->cval = -expr->cval;
1116 break;
1117 case EXPR_NOT:
1118 e->cval = ~expr->cval;
1119 break;
1120 default:
1121 e->is_const = FALSE;
1122 break;
1123 }
1124 }
1125 return e;
1126 }
1127
1128 static expr_t *make_expr2(enum expr_type type, expr_t *expr1, expr_t *expr2)
1129 {
1130 expr_t *e;
1131 e = xmalloc(sizeof(expr_t));
1132 e->type = type;
1133 e->ref = expr1;
1134 e->u.ext = expr2;
1135 e->is_const = FALSE;
1136 /* check for compile-time optimization */
1137 if (expr1->is_const && expr2->is_const) {
1138 e->is_const = TRUE;
1139 switch (type) {
1140 case EXPR_ADD:
1141 e->cval = expr1->cval + expr2->cval;
1142 break;
1143 case EXPR_SUB:
1144 e->cval = expr1->cval - expr2->cval;
1145 break;
1146 case EXPR_MUL:
1147 e->cval = expr1->cval * expr2->cval;
1148 break;
1149 case EXPR_DIV:
1150 e->cval = expr1->cval / expr2->cval;
1151 break;
1152 case EXPR_OR:
1153 e->cval = expr1->cval | expr2->cval;
1154 break;
1155 case EXPR_AND:
1156 e->cval = expr1->cval & expr2->cval;
1157 break;
1158 case EXPR_SHL:
1159 e->cval = expr1->cval << expr2->cval;
1160 break;
1161 case EXPR_SHR:
1162 e->cval = expr1->cval >> expr2->cval;
1163 break;
1164 default:
1165 e->is_const = FALSE;
1166 break;
1167 }
1168 }
1169 return e;
1170 }
1171
1172 static expr_t *make_expr3(enum expr_type type, expr_t *expr1, expr_t *expr2, expr_t *expr3)
1173 {
1174 expr_t *e;
1175 e = xmalloc(sizeof(expr_t));
1176 e->type = type;
1177 e->ref = expr1;
1178 e->u.ext = expr2;
1179 e->ext2 = expr3;
1180 e->is_const = FALSE;
1181 /* check for compile-time optimization */
1182 if (expr1->is_const && expr2->is_const && expr3->is_const) {
1183 e->is_const = TRUE;
1184 switch (type) {
1185 case EXPR_COND:
1186 e->cval = expr1->cval ? expr2->cval : expr3->cval;
1187 break;
1188 default:
1189 e->is_const = FALSE;
1190 break;
1191 }
1192 }
1193 return e;
1194 }
1195
1196 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1197 {
1198 if (!expr) return list;
1199 if (!list)
1200 {
1201 list = xmalloc( sizeof(*list) );
1202 list_init( list );
1203 }
1204 list_add_tail( list, &expr->entry );
1205 return list;
1206 }
1207
1208 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1209 {
1210 if (!expr) return list;
1211 if (!list)
1212 {
1213 list = xmalloc( sizeof(*list) );
1214 list_init( list );
1215 }
1216 list_add_tail( list, &expr->entry );
1217 return list;
1218 }
1219
1220 static type_t *make_type(unsigned char type, type_t *ref)
1221 {
1222 type_t *t = xmalloc(sizeof(type_t));
1223 t->name = NULL;
1224 t->kind = TKIND_PRIMITIVE;
1225 t->type = type;
1226 t->ref = ref;
1227 t->attrs = NULL;
1228 t->orig = NULL;
1229 t->funcs = NULL;
1230 t->fields = NULL;
1231 t->ifaces = NULL;
1232 t->dim = 0;
1233 t->size_is = NULL;
1234 t->length_is = NULL;
1235 t->typestring_offset = 0;
1236 t->declarray = FALSE;
1237 t->ignore = (parse_only != 0);
1238 t->is_const = FALSE;
1239 t->sign = 0;
1240 t->defined = FALSE;
1241 t->written = FALSE;
1242 t->user_types_registered = FALSE;
1243 t->tfswrite = FALSE;
1244 t->typelib_idx = -1;
1245 return t;
1246 }
1247
1248 static void set_type(var_t *v, type_t *type, int ptr_level, array_dims_t *arr)
1249 {
1250 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1251 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1252 int sizeless, has_varconf;
1253 expr_t *dim;
1254 type_t *atype, **ptype;
1255
1256 v->type = type;
1257
1258 for ( ; 0 < ptr_level; --ptr_level)
1259 v->type = make_type(RPC_FC_RP, v->type);
1260
1261 sizeless = FALSE;
1262 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1263 {
1264 if (sizeless)
1265 error("%s: only the first array dimension can be unspecified\n", v->name);
1266
1267 if (dim->is_const)
1268 {
1269 unsigned int align = 0;
1270 size_t size = type_memsize(v->type, &align);
1271
1272 if (dim->cval <= 0)
1273 error("%s: array dimension must be positive\n", v->name);
1274
1275 if (0xffffffffuL / size < (unsigned long) dim->cval)
1276 error("%s: total array size is too large", v->name);
1277 else if (0xffffuL < size * dim->cval)
1278 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1279 else
1280 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1281 }
1282 else
1283 {
1284 sizeless = TRUE;
1285 v->type = make_type(RPC_FC_CARRAY, v->type);
1286 }
1287
1288 v->type->declarray = TRUE;
1289 v->type->dim = dim->cval;
1290 }
1291
1292 ptype = &v->type;
1293 has_varconf = FALSE;
1294 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1295 {
1296 if (dim->type != EXPR_VOID)
1297 {
1298 has_varconf = TRUE;
1299 atype = *ptype = duptype(*ptype, 0);
1300
1301 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1302 error("%s: cannot specify size_is for a fixed sized array\n", v->name);
1303
1304 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1305 error("%s: size_is attribute applied to illegal type\n", v->name);
1306
1307 atype->type = RPC_FC_CARRAY;
1308 atype->size_is = dim;
1309 }
1310
1311 ptype = &(*ptype)->ref;
1312 if (*ptype == NULL)
1313 error("%s: too many expressions in size_is attribute\n", v->name);
1314 }
1315
1316 ptype = &v->type;
1317 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1318 {
1319 if (dim->type != EXPR_VOID)
1320 {
1321 has_varconf = TRUE;
1322 atype = *ptype = duptype(*ptype, 0);
1323
1324 if (atype->type == RPC_FC_SMFARRAY)
1325 atype->type = RPC_FC_SMVARRAY;
1326 else if (atype->type == RPC_FC_LGFARRAY)
1327 atype->type = RPC_FC_LGVARRAY;
1328 else if (atype->type == RPC_FC_CARRAY)
1329 atype->type = RPC_FC_CVARRAY;
1330 else
1331 error("%s: length_is attribute applied to illegal type\n", v->name);
1332
1333 atype->length_is = dim;
1334 }
1335
1336 ptype = &(*ptype)->ref;
1337 if (*ptype == NULL)
1338 error("%s: too many expressions in length_is attribute\n", v->name);
1339 }
1340
1341 if (has_varconf && !last_array(v->type))
1342 {
1343 ptype = &v->type;
1344 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1345 {
1346 *ptype = duptype(*ptype, 0);
1347 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1348 }
1349 }
1350 }
1351
1352 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1353 {
1354 if (!iface) return list;
1355 if (!list)
1356 {
1357 list = xmalloc( sizeof(*list) );
1358 list_init( list );
1359 }
1360 list_add_tail( list, &iface->entry );
1361 return list;
1362 }
1363
1364 static ifref_t *make_ifref(type_t *iface)
1365 {
1366 ifref_t *l = xmalloc(sizeof(ifref_t));
1367 l->iface = iface;
1368 l->attrs = NULL;
1369 return l;
1370 }
1371
1372 static var_list_t *append_var(var_list_t *list, var_t *var)
1373 {
1374 if (!var) return list;
1375 if (!list)
1376 {
1377 list = xmalloc( sizeof(*list) );
1378 list_init( list );
1379 }
1380 list_add_tail( list, &var->entry );
1381 return list;
1382 }
1383
1384 static var_t *make_var(char *name)
1385 {
1386 var_t *v = xmalloc(sizeof(var_t));
1387 v->name = name;
1388 v->type = NULL;
1389 v->args = NULL;
1390 v->attrs = NULL;
1391 v->eval = NULL;
1392 return v;
1393 }
1394
1395 static pident_list_t *append_pident(pident_list_t *list, pident_t *p)
1396 {
1397 if (!p) return list;
1398 if (!list) {
1399 list = xmalloc(sizeof(*list));
1400 list_init(list);
1401 }
1402 list_add_tail(list, &p->entry);
1403 return list;
1404 }
1405
1406 static pident_t *make_pident(var_t *var)
1407 {
1408 pident_t *p = xmalloc(sizeof(*p));
1409 p->var = var;
1410 p->ptr_level = 0;
1411 return p;
1412 }
1413
1414 static func_list_t *append_func(func_list_t *list, func_t *func)
1415 {
1416 if (!func) return list;
1417 if (!list)
1418 {
1419 list = xmalloc( sizeof(*list) );
1420 list_init( list );
1421 }
1422 list_add_tail( list, &func->entry );
1423 return list;
1424 }
1425
1426 static func_t *make_func(var_t *def, var_list_t *args)
1427 {
1428 func_t *f = xmalloc(sizeof(func_t));
1429 f->def = def;
1430 f->args = args;
1431 f->ignore = parse_only;
1432 f->idx = -1;
1433 return f;
1434 }
1435
1436 static type_t *make_class(char *name)
1437 {
1438 type_t *c = make_type(0, NULL);
1439 c->name = name;
1440 c->kind = TKIND_COCLASS;
1441 return c;
1442 }
1443
1444 static type_t *make_safearray(type_t *type)
1445 {
1446 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1447 sa->ref = type;
1448 return make_type(RPC_FC_FP, sa);
1449 }
1450
1451 #define HASHMAX 64
1452
1453 static int hash_ident(const char *name)
1454 {
1455 const char *p = name;
1456 int sum = 0;
1457 /* a simple sum hash is probably good enough */
1458 while (*p) {
1459 sum += *p;
1460 p++;
1461 }
1462 return sum & (HASHMAX-1);
1463 }
1464
1465 /***** type repository *****/
1466
1467 struct rtype {
1468 const char *name;
1469 type_t *type;
1470 int t;
1471 struct rtype *next;
1472 };
1473
1474 struct rtype *type_hash[HASHMAX];
1475
1476 static type_t *reg_type(type_t *type, const char *name, int t)
1477 {
1478 struct rtype *nt;
1479 int hash;
1480 if (!name) {
1481 yyerror("registering named type without name");
1482 return type;
1483 }
1484 hash = hash_ident(name);
1485 nt = xmalloc(sizeof(struct rtype));
1486 nt->name = name;
1487 nt->type = type;
1488 nt->t = t;
1489 nt->next = type_hash[hash];
1490 type_hash[hash] = nt;
1491 return type;
1492 }
1493
1494 static int is_incomplete(const type_t *t)
1495 {
1496 return !t->defined && (is_struct(t->type) || is_union(t->type));
1497 }
1498
1499 static void add_incomplete(type_t *t)
1500 {
1501 struct typenode *tn = xmalloc(sizeof *tn);
1502 tn->type = t;
1503 list_add_tail(&incomplete_types, &tn->entry);
1504 }
1505
1506 static void fix_type(type_t *t)
1507 {
1508 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1509 type_t *ot = t->orig;
1510 fix_type(ot);
1511 t->fields = ot->fields;
1512 t->defined = ot->defined;
1513 }
1514 }
1515
1516 static void fix_incomplete(void)
1517 {
1518 struct typenode *tn, *next;
1519
1520 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1521 fix_type(tn->type);
1522 free(tn);
1523 }
1524 }
1525
1526 static type_t *reg_typedefs(type_t *type, pident_list_t *pidents, attr_list_t *attrs)
1527 {
1528 type_t *ptr = type;
1529 const pident_t *pident;
1530 int ptrc = 0;
1531 int is_str = is_attr(attrs, ATTR_STRING);
1532 unsigned char ptr_type = get_attrv(attrs, ATTR_POINTERTYPE);
1533
1534 if (is_str)
1535 {
1536 type_t *t = type;
1537 unsigned char c;
1538
1539 while (is_ptr(t))
1540 t = t->ref;
1541
1542 c = t->type;
1543 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1544 {
1545 pident = LIST_ENTRY( list_head( pidents ), const pident_t, entry );
1546 yyerror("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays",
1547 pident->var->name);
1548 }
1549 }
1550
1551 /* We must generate names for tagless enum, struct or union.
1552 Typedef-ing a tagless enum, struct or union means we want the typedef
1553 to be included in a library whether it has other attributes or not,
1554 hence the public attribute. */
1555 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1556 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1557 {
1558 if (! is_attr(attrs, ATTR_PUBLIC))
1559 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1560 type->name = gen_name();
1561 }
1562
1563 LIST_FOR_EACH_ENTRY( pident, pidents, const pident_t, entry )
1564 {
1565 var_t *name = pident->var;
1566
1567 if (name->name) {
1568 type_t *cur = ptr;
1569 int cptr = pident->ptr_level;
1570 if (cptr > ptrc) {
1571 while (cptr > ptrc) {
1572 cur = ptr = make_type(RPC_FC_RP, cur);
1573 ptrc++;
1574 }
1575 } else {
1576 while (cptr < ptrc) {
1577 cur = cur->ref;
1578 cptr++;
1579 }
1580 }
1581 cur = alias(cur, name->name);
1582 cur->attrs = attrs;
1583 if (ptr_type)
1584 {
1585 if (is_ptr(cur))
1586 cur->type = ptr_type;
1587 else
1588 yyerror("'%s': pointer attribute applied to non-pointer type",
1589 cur->name);
1590 }
1591 else if (is_str && ! is_ptr(cur))
1592 yyerror("'%s': [string] attribute applied to non-pointer type",
1593 cur->name);
1594
1595 if (is_incomplete(cur))
1596 add_incomplete(cur);
1597 reg_type(cur, cur->name, 0);
1598 }
1599 }
1600 return type;
1601 }
1602
1603 static type_t *find_type(const char *name, int t)
1604 {
1605 struct rtype *cur = type_hash[hash_ident(name)];
1606 while (cur && (cur->t != t || strcmp(cur->name, name)))
1607 cur = cur->next;
1608 if (!cur) {
1609 yyerror("type '%s' not found", name);
1610 return NULL;
1611 }
1612 return cur->type;
1613 }
1614
1615 static type_t *find_type2(char *name, int t)
1616 {
1617 type_t *tp = find_type(name, t);
1618 free(name);
1619 return tp;
1620 }
1621
1622 int is_type(const char *name)
1623 {
1624 struct rtype *cur = type_hash[hash_ident(name)];
1625 while (cur && (cur->t || strcmp(cur->name, name)))
1626 cur = cur->next;
1627 if (cur) return TRUE;
1628 return FALSE;
1629 }
1630
1631 static type_t *get_type(unsigned char type, char *name, int t)
1632 {
1633 struct rtype *cur = NULL;
1634 type_t *tp;
1635 if (name) {
1636 cur = type_hash[hash_ident(name)];
1637 while (cur && (cur->t != t || strcmp(cur->name, name)))
1638 cur = cur->next;
1639 }
1640 if (cur) {
1641 free(name);
1642 return cur->type;
1643 }
1644 tp = make_type(type, NULL);
1645 tp->name = name;
1646 if (!name) return tp;
1647 return reg_type(tp, name, t);
1648 }
1649
1650 static type_t *get_typev(unsigned char type, var_t *name, int t)
1651 {
1652 char *sname = NULL;
1653 if (name) {
1654 sname = name->name;
1655 free(name);
1656 }
1657 return get_type(type, sname, t);
1658 }
1659
1660 static int get_struct_type(var_list_t *fields)
1661 {
1662 int has_pointer = 0;
1663 int has_conformance = 0;
1664 int has_variance = 0;
1665 var_t *field;
1666
1667 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1668 {
1669 type_t *t = field->type;
1670
1671 if (is_ptr(t))
1672 {
1673 do
1674 t = t->ref;
1675 while (is_ptr(t));
1676
1677 switch (t->type)
1678 {
1679 case RPC_FC_IP:
1680 case RPC_FC_ENCAPSULATED_UNION:
1681 case RPC_FC_NON_ENCAPSULATED_UNION:
1682 case RPC_FC_BOGUS_STRUCT:
1683 return RPC_FC_BOGUS_STRUCT;
1684 }
1685
1686 has_pointer = 1;
1687 continue;
1688 }
1689
1690 if (field->type->declarray)
1691 {
1692 if (is_string_type(field->attrs, field->type))
1693 {
1694 has_conformance = 1;
1695 has_variance = 1;
1696 continue;
1697 }
1698
1699 if (is_array(field->type->ref))
1700 return RPC_FC_BOGUS_STRUCT;
1701
1702 if (is_conformant_array(field->type))
1703 {
1704 has_conformance = 1;
1705 if (field->type->declarray && list_next(fields, &field->entry))
1706 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1707 field->name);
1708 }
1709 if (field->type->length_is)
1710 has_variance = 1;
1711
1712 t = field->type->ref;
1713 }
1714
1715 switch (t->type)
1716 {
1717 /*
1718 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1719 * Simple types don't effect the type of struct.
1720 * A struct containing a simple struct is still a simple struct.
1721 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1722 */
1723 case 0: /* void pointer */
1724 case RPC_FC_BYTE:
1725 case RPC_FC_CHAR:
1726 case RPC_FC_SMALL:
1727 case RPC_FC_USMALL:
1728 case RPC_FC_WCHAR:
1729 case RPC_FC_SHORT:
1730 case RPC_FC_USHORT:
1731 case RPC_FC_LONG:
1732 case RPC_FC_ULONG:
1733 case RPC_FC_INT3264:
1734 case RPC_FC_UINT3264:
1735 case RPC_FC_HYPER:
1736 case RPC_FC_FLOAT:
1737 case RPC_FC_DOUBLE:
1738 case RPC_FC_STRUCT:
1739 case RPC_FC_ENUM16:
1740 case RPC_FC_ENUM32:
1741 break;
1742
1743 case RPC_FC_RP:
1744 case RPC_FC_UP:
1745 case RPC_FC_FP:
1746 case RPC_FC_OP:
1747 case RPC_FC_CARRAY:
1748 case RPC_FC_CVARRAY:
1749 has_pointer = 1;
1750 break;
1751
1752 /*
1753 * Propagate member attributes
1754 * a struct should be at least as complex as its member
1755 */
1756 case RPC_FC_CVSTRUCT:
1757 has_conformance = 1;
1758 has_variance = 1;
1759 has_pointer = 1;
1760 break;
1761
1762 case RPC_FC_CPSTRUCT:
1763 has_conformance = 1;
1764 if (list_next( fields, &field->entry ))
1765 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1766 field->name);
1767 has_pointer = 1;
1768 break;
1769
1770 case RPC_FC_CSTRUCT:
1771 has_conformance = 1;
1772 if (list_next( fields, &field->entry ))
1773 yyerror("field '%s' deriving from a conformant array must be the last field in the structure",
1774 field->name);
1775 break;
1776
1777 case RPC_FC_PSTRUCT:
1778 has_pointer = 1;
1779 break;
1780
1781 default:
1782 fprintf(stderr,"Unknown struct member %s with type (0x%02x)\n",
1783 field->name, t->type);
1784 /* fallthru - treat it as complex */
1785
1786 /* as soon as we see one of these these members, it's bogus... */
1787 case RPC_FC_IP:
1788 case RPC_FC_ENCAPSULATED_UNION:
1789 case RPC_FC_NON_ENCAPSULATED_UNION:
1790 case RPC_FC_TRANSMIT_AS:
1791 case RPC_FC_REPRESENT_AS:
1792 case RPC_FC_PAD:
1793 case RPC_FC_EMBEDDED_COMPLEX:
1794 case RPC_FC_BOGUS_STRUCT:
1795 return RPC_FC_BOGUS_STRUCT;
1796 }
1797 }
1798
1799 if( has_variance )
1800 {
1801 if ( has_conformance )
1802 return RPC_FC_CVSTRUCT;
1803 else
1804 return RPC_FC_BOGUS_STRUCT;
1805 }
1806 if( has_conformance && has_pointer )
1807 return RPC_FC_CPSTRUCT;
1808 if( has_conformance )
1809 return RPC_FC_CSTRUCT;
1810 if( has_pointer )
1811 return RPC_FC_PSTRUCT;
1812 return RPC_FC_STRUCT;
1813 }
1814
1815 /***** constant repository *****/
1816
1817 struct rconst {
1818 char *name;
1819 var_t *var;
1820 struct rconst *next;
1821 };
1822
1823 struct rconst *const_hash[HASHMAX];
1824
1825 static var_t *reg_const(var_t *var)
1826 {
1827 struct rconst *nc;
1828 int hash;
1829 if (!var->name) {
1830 yyerror("registering constant without name");
1831 return var;
1832 }
1833 hash = hash_ident(var->name);
1834 nc = xmalloc(sizeof(struct rconst));
1835 nc->name = var->name;
1836 nc->var = var;
1837 nc->next = const_hash[hash];
1838 const_hash[hash] = nc;
1839 return var;
1840 }
1841
1842 static var_t *find_const(char *name, int f)
1843 {
1844 struct rconst *cur = const_hash[hash_ident(name)];
1845 while (cur && strcmp(cur->name, name))
1846 cur = cur->next;
1847 if (!cur) {
1848 if (f) yyerror("constant '%s' not found", name);
1849 return NULL;
1850 }
1851 return cur->var;
1852 }
1853
1854 static void write_libid(const char *name, const attr_list_t *attr)
1855 {
1856 const UUID *uuid = get_attrp(attr, ATTR_UUID);
1857 write_guid(idfile, "LIBID", name, uuid);
1858 }
1859
1860 static void write_clsid(type_t *cls)
1861 {
1862 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1863 write_guid(idfile, "CLSID", cls->name, uuid);
1864 }
1865
1866 static void write_diid(type_t *iface)
1867 {
1868 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1869 write_guid(idfile, "DIID", iface->name, uuid);
1870 }
1871
1872 static void write_iid(type_t *iface)
1873 {
1874 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
1875 write_guid(idfile, "IID", iface->name, uuid);
1876 }
1877
1878 static int compute_method_indexes(type_t *iface)
1879 {
1880 int idx;
1881 func_t *f;
1882
1883 if (iface->ref)
1884 idx = compute_method_indexes(iface->ref);
1885 else
1886 idx = 0;
1887
1888 if (!iface->funcs)
1889 return idx;
1890
1891 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
1892 if (! is_callas(f->def->attrs))
1893 f->idx = idx++;
1894
1895 return idx;
1896 }
1897
1898 static char *gen_name(void)
1899 {
1900 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1901 static unsigned long n = 0;
1902 static const char *file_id;
1903 static size_t size;
1904 char *name;
1905
1906 if (! file_id)
1907 {
1908 char *dst = dup_basename(input_name, ".idl");
1909 file_id = dst;
1910
1911 for (; *dst; ++dst)
1912 if (! isalnum((unsigned char) *dst))
1913 *dst = '_';
1914
1915 size = sizeof format - 7 + strlen(file_id) + 8;
1916 }
1917
1918 name = xmalloc(size);
1919 sprintf(name, format, file_id, n++);
1920 return name;
1921 }
1922
1923 static void process_typedefs(pident_list_t *pidents)
1924 {
1925 pident_t *pident, *next;
1926
1927 if (!pidents) return;
1928 LIST_FOR_EACH_ENTRY_SAFE( pident, next, pidents, pident_t, entry )
1929 {
1930 var_t *var = pident->var;
1931 type_t *type = find_type(var->name, 0);
1932
1933 if (! parse_only && do_header)
1934 write_typedef(type);
1935 if (in_typelib && type->attrs)
1936 add_typelib_entry(type);
1937
1938 free(pident);
1939 free(var);
1940 }
1941 }
1942
1943 static void check_arg(var_t *arg)
1944 {
1945 type_t *t = arg->type;
1946
1947 if (t->type == 0 && ! is_var_ptr(arg))
1948 yyerror("argument '%s' has void type", arg->name);
1949 }
1950
1951 static void check_all_user_types(ifref_list_t *ifrefs)
1952 {
1953 const ifref_t *ifref;
1954 const func_t *f;
1955
1956 if (ifrefs) LIST_FOR_EACH_ENTRY(ifref, ifrefs, const ifref_t, entry)
1957 {
1958 const func_list_t *fs = ifref->iface->funcs;
1959 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
1960 check_for_user_types(f->args);
1961 }
1962 }
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