c337aa6f70890080b3707111dc345cb0bd3f244d
[reactos.git] / reactos / tools / widl / parser.y
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31 #ifdef HAVE_ALLOCA_H
32 #include <alloca.h>
33 #endif
34
35 #include "widl.h"
36 #include "utils.h"
37 #include "parser.h"
38 #include "header.h"
39 #include "typelib.h"
40 #include "typegen.h"
41 #include "expr.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 #define YYERROR_VERBOSE
69
70 unsigned char pointer_default = RPC_FC_UP;
71 static int is_in_interface = FALSE;
72 static int is_object_interface = FALSE;
73 /* are we inside a library block? */
74 static int is_inside_library = FALSE;
75
76 typedef struct list typelist_t;
77 struct typenode {
78 type_t *type;
79 struct list entry;
80 };
81
82 struct _import_t
83 {
84 char *name;
85 int import_performed;
86 };
87
88 typedef struct _decl_spec_t
89 {
90 type_t *type;
91 attr_list_t *attrs;
92 enum storage_class stgclass;
93 } decl_spec_t;
94
95 typelist_t incomplete_types = LIST_INIT(incomplete_types);
96
97 static void add_incomplete(type_t *t);
98 static void fix_incomplete(void);
99
100 static str_list_t *append_str(str_list_t *list, char *str);
101 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
102 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
103 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
104 static attr_t *make_attr(enum attr_type type);
105 static attr_t *make_attrv(enum attr_type type, unsigned long val);
106 static attr_t *make_attrp(enum attr_type type, void *val);
107 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
108 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
109 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
110 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
111 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
112 static ifref_t *make_ifref(type_t *iface);
113 static var_list_t *append_var(var_list_t *list, var_t *var);
114 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
115 static var_t *make_var(char *name);
116 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
117 static declarator_t *make_declarator(var_t *var);
118 static func_list_t *append_func(func_list_t *list, func_t *func);
119 static func_t *make_func(var_t *def);
120 static type_t *make_class(char *name);
121 static type_t *make_safearray(type_t *type);
122 static type_t *make_builtin(char *name);
123 static type_t *make_int(int sign);
124 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
125 static type_t *make_func_type(var_list_t *args);
126 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs);
127 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
128
129 static type_t *reg_type(type_t *type, const char *name, int t);
130 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
131 static type_t *find_type2(char *name, int t);
132 static type_t *get_type(unsigned char type, char *name, int t);
133 static type_t *get_typev(unsigned char type, var_t *name, int t);
134 static int get_struct_type(var_list_t *fields);
135
136 static var_t *reg_const(var_t *var);
137
138 static void write_libid(const typelib_t *typelib);
139 static void write_clsid(type_t *cls);
140 static void write_diid(type_t *iface);
141 static void write_iid(type_t *iface);
142
143 static int compute_method_indexes(type_t *iface);
144 static char *gen_name(void);
145 static statement_t *process_typedefs(var_list_t *names);
146 static void check_arg(var_t *arg);
147 static void check_functions(const type_t *iface);
148 static void check_all_user_types(const statement_list_t *stmts);
149 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
150 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
152 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
153 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
154 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
155 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
156 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
157 const char *get_attr_display_name(enum attr_type type);
158 static void add_explicit_handle_if_necessary(func_t *func);
159
160 static statement_t *make_statement(enum statement_type type);
161 static statement_t *make_statement_type_decl(type_t *type);
162 static statement_t *make_statement_reference(type_t *type);
163 static statement_t *make_statement_declaration(var_t *var);
164 static statement_t *make_statement_library(typelib_t *typelib);
165 static statement_t *make_statement_cppquote(const char *str);
166 static statement_t *make_statement_importlib(const char *str);
167 static statement_t *make_statement_module(type_t *type);
168 static statement_t *make_statement_import(const char *str);
169 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
170 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt);
171
172 #define tsENUM 1
173 #define tsSTRUCT 2
174 #define tsUNION 3
175
176 %}
177 %union {
178 attr_t *attr;
179 attr_list_t *attr_list;
180 str_list_t *str_list;
181 expr_t *expr;
182 expr_list_t *expr_list;
183 array_dims_t *array_dims;
184 type_t *type;
185 var_t *var;
186 var_list_t *var_list;
187 declarator_t *declarator;
188 declarator_list_t *declarator_list;
189 func_t *func;
190 func_list_t *func_list;
191 statement_t *statement;
192 statement_list_t *stmt_list;
193 ifref_t *ifref;
194 ifref_list_t *ifref_list;
195 char *str;
196 UUID *uuid;
197 unsigned int num;
198 double dbl;
199 interface_info_t ifinfo;
200 typelib_t *typelib;
201 struct _import_t *import;
202 struct _decl_spec_t *declspec;
203 enum storage_class stgclass;
204 }
205
206 %token <str> aIDENTIFIER
207 %token <str> aKNOWNTYPE
208 %token <num> aNUM aHEXNUM
209 %token <dbl> aDOUBLE
210 %token <str> aSTRING aWSTRING
211 %token <uuid> aUUID
212 %token aEOF
213 %token SHL SHR
214 %token MEMBERPTR
215 %token EQUALITY INEQUALITY
216 %token GREATEREQUAL LESSEQUAL
217 %token LOGICALOR LOGICALAND
218 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
219 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
220 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
221 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
222 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
223 %token tDEFAULT
224 %token tDEFAULTCOLLELEM
225 %token tDEFAULTVALUE
226 %token tDEFAULTVTABLE
227 %token tDISPLAYBIND
228 %token tDISPINTERFACE
229 %token tDLLNAME tDOUBLE tDUAL
230 %token tENDPOINT
231 %token tENTRY tENUM tERRORSTATUST
232 %token tEXPLICITHANDLE tEXTERN
233 %token tFALSE
234 %token tFASTCALL
235 %token tFLOAT
236 %token tHANDLE
237 %token tHANDLET
238 %token tHELPCONTEXT tHELPFILE
239 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
240 %token tHIDDEN
241 %token tHYPER tID tIDEMPOTENT
242 %token tIIDIS
243 %token tIMMEDIATEBIND
244 %token tIMPLICITHANDLE
245 %token tIMPORT tIMPORTLIB
246 %token tIN tIN_LINE tINLINE
247 %token tINPUTSYNC
248 %token tINT tINT64
249 %token tINTERFACE
250 %token tLCID
251 %token tLENGTHIS tLIBRARY
252 %token tLOCAL
253 %token tLONG
254 %token tMETHODS
255 %token tMODULE
256 %token tNONBROWSABLE
257 %token tNONCREATABLE
258 %token tNONEXTENSIBLE
259 %token tNULL
260 %token tOBJECT tODL tOLEAUTOMATION
261 %token tOPTIONAL
262 %token tOUT
263 %token tPASCAL
264 %token tPOINTERDEFAULT
265 %token tPROPERTIES
266 %token tPROPGET tPROPPUT tPROPPUTREF
267 %token tPTR
268 %token tPUBLIC
269 %token tRANGE
270 %token tREADONLY tREF
271 %token tREGISTER
272 %token tREQUESTEDIT
273 %token tRESTRICTED
274 %token tRETVAL
275 %token tSAFEARRAY
276 %token tSHORT
277 %token tSIGNED
278 %token tSINGLE
279 %token tSIZEIS tSIZEOF
280 %token tSMALL
281 %token tSOURCE
282 %token tSTATIC
283 %token tSTDCALL
284 %token tSTRICTCONTEXTHANDLE
285 %token tSTRING tSTRUCT
286 %token tSWITCH tSWITCHIS tSWITCHTYPE
287 %token tTRANSMITAS
288 %token tTRUE
289 %token tTYPEDEF
290 %token tUNION
291 %token tUNIQUE
292 %token tUNSIGNED
293 %token tUUID
294 %token tV1ENUM
295 %token tVARARG
296 %token tVERSION
297 %token tVOID
298 %token tWCHAR tWIREMARSHAL
299
300 %type <attr> attribute type_qualifier function_specifier
301 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
302 %type <str_list> str_list
303 %type <expr> m_expr expr expr_const expr_int_const array
304 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
305 %type <ifinfo> interfacehdr
306 %type <stgclass> storage_cls_spec
307 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
308 %type <type> inherit interface interfacedef interfacedec
309 %type <type> dispinterface dispinterfacehdr dispinterfacedef
310 %type <type> module modulehdr moduledef
311 %type <type> base_type int_std
312 %type <type> enumdef structdef uniondef
313 %type <type> type
314 %type <ifref> coclass_int
315 %type <ifref_list> coclass_ints
316 %type <var> arg ne_union_field union_field s_field case enum declaration
317 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
318 %type <var> m_ident t_ident ident
319 %type <declarator> declarator direct_declarator init_declarator
320 %type <declarator_list> declarator_list
321 %type <func> funcdef
322 %type <func_list> int_statements dispint_meths
323 %type <type> coclass coclasshdr coclassdef
324 %type <num> pointer_type version
325 %type <str> libraryhdr callconv cppquote importlib import
326 %type <uuid> uuid_string
327 %type <import> import_start
328 %type <typelib> library_start librarydef
329 %type <statement> statement typedef
330 %type <stmt_list> gbl_statements imp_statements
331
332 %left ','
333 %right '?' ':'
334 %left LOGICALOR
335 %left LOGICALAND
336 %left '|'
337 %left '^'
338 %left '&'
339 %left EQUALITY INEQUALITY
340 %left '<' '>' LESSEQUAL GREATEREQUAL
341 %left SHL SHR
342 %left '-' '+'
343 %left '*' '/' '%'
344 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
345 %left '.' MEMBERPTR '[' ']'
346
347 %%
348
349 input: gbl_statements { fix_incomplete();
350 check_all_user_types($1);
351 write_proxies($1);
352 write_client($1);
353 write_server($1);
354 write_dlldata($1);
355 }
356 ;
357
358 gbl_statements: { $$ = NULL; }
359 | gbl_statements interfacedec { $$ = $1; }
360 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
361 | gbl_statements coclass ';' { $$ = $1;
362 reg_type($2, $2->name, 0);
363 if (!parse_only && do_header) write_coclass_forward($2);
364 }
365 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
366 add_typelib_entry($2);
367 reg_type($2, $2->name, 0);
368 if (!parse_only && do_header) write_coclass_forward($2);
369 }
370 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
371 add_typelib_entry($2);
372 }
373 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
374 | gbl_statements statement { $$ = append_statement($1, $2); }
375 ;
376
377 imp_statements: { $$ = NULL; }
378 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
379 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
380 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
381 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
382 if (!parse_only) add_typelib_entry($2);
383 reg_type($2, $2->name, 0);
384 if (!parse_only && do_header) write_coclass_forward($2);
385 }
386 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
387 | imp_statements statement { $$ = append_statement($1, $2); }
388 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
389 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
390 ;
391
392 int_statements: { $$ = NULL; }
393 | int_statements statement { $$ = append_func_from_statement( $1, $2 ); }
394 ;
395
396 semicolon_opt:
397 | ';'
398 ;
399
400 statement:
401 cppquote { $$ = make_statement_cppquote($1); }
402 | enumdef ';' { $$ = make_statement_type_decl($1);
403 if (!parse_only && do_header) {
404 write_type_def_or_decl(header, $1, FALSE, NULL);
405 fprintf(header, ";\n\n");
406 }
407 }
408 | declaration ';' { $$ = make_statement_declaration($1);
409 if (!parse_only && do_header) write_declaration($1, is_in_interface);
410 }
411 | import { $$ = make_statement_import($1); }
412 | structdef ';' { $$ = make_statement_type_decl($1);
413 if (!parse_only && do_header) {
414 write_type_def_or_decl(header, $1, FALSE, NULL);
415 fprintf(header, ";\n\n");
416 }
417 }
418 | typedef ';' { $$ = $1; }
419 | uniondef ';' { $$ = make_statement_type_decl($1);
420 if (!parse_only && do_header) {
421 write_type_def_or_decl(header, $1, FALSE, NULL);
422 fprintf(header, ";\n\n");
423 }
424 }
425 ;
426
427 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
428 ;
429 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
430 $$ = xmalloc(sizeof(struct _import_t));
431 $$->name = $2;
432 $$->import_performed = do_import($2);
433 if (!$$->import_performed) yychar = aEOF;
434 }
435 ;
436
437 import: import_start imp_statements aEOF { $$ = $1->name;
438 if ($1->import_performed) pop_import();
439 free($1);
440 if (!parse_only && do_header) write_import($$);
441 }
442 ;
443
444 importlib: tIMPORTLIB '(' aSTRING ')'
445 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
446 ;
447
448 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
449 ;
450 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
451 if (!parse_only) start_typelib($$);
452 if (!parse_only && do_header) write_library($$);
453 if (!parse_only && do_idfile) write_libid($$);
454 is_inside_library = TRUE;
455 }
456 ;
457 librarydef: library_start imp_statements '}'
458 semicolon_opt { $$ = $1;
459 $$->stmts = $2;
460 if (!parse_only) end_typelib();
461 is_inside_library = FALSE;
462 }
463 ;
464
465 m_args: { $$ = NULL; }
466 | args
467 ;
468
469 no_args: tVOID { $$ = NULL; }
470 ;
471
472 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
473 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
474 | no_args
475 ;
476
477 /* split into two rules to get bison to resolve a tVOID conflict */
478 arg: attributes decl_spec declarator { $$ = $3->var;
479 $$->attrs = $1;
480 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
481 error_loc("invalid storage class for function parameter\n");
482 set_type($$, $2, $3, TRUE);
483 free($3);
484 }
485 | decl_spec declarator { $$ = $2->var;
486 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
487 error_loc("invalid storage class for function parameter\n");
488 set_type($$, $1, $2, TRUE);
489 free($2);
490 }
491 ;
492
493 array: '[' m_expr ']' { $$ = $2; }
494 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
495 ;
496
497 m_attributes: { $$ = NULL; }
498 | attributes
499 ;
500
501 attributes:
502 '[' attrib_list ']' { $$ = $2;
503 if (!$$)
504 error_loc("empty attribute lists unsupported\n");
505 }
506 ;
507
508 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
509 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
510 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
511 ;
512
513 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
514 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
515 ;
516
517 attribute: { $$ = NULL; }
518 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
519 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
520 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
521 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
522 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
523 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
524 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
525 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
526 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
527 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
528 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
529 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
530 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
531 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
532 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
533 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
534 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
535 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
536 | tDUAL { $$ = make_attr(ATTR_DUAL); }
537 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
538 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
539 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
540 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
541 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
542 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
543 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
544 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
545 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
546 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
547 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
548 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
549 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
550 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
551 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
552 | tIN { $$ = make_attr(ATTR_IN); }
553 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
554 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
555 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
556 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
557 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
558 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
559 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
560 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
561 | tODL { $$ = make_attr(ATTR_ODL); }
562 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
563 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
564 | tOUT { $$ = make_attr(ATTR_OUT); }
565 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
566 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
567 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
568 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
569 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
570 | tRANGE '(' expr_int_const ',' expr_int_const ')'
571 { expr_list_t *list = append_expr( NULL, $3 );
572 list = append_expr( list, $5 );
573 $$ = make_attrp(ATTR_RANGE, list); }
574 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
575 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
576 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
577 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
578 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
579 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
580 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
581 | tSTRING { $$ = make_attr(ATTR_STRING); }
582 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
583 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
584 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
585 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
586 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
587 | tVARARG { $$ = make_attr(ATTR_VARARG); }
588 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
589 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
590 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
591 ;
592
593 uuid_string:
594 aUUID
595 | aSTRING { if (!is_valid_uuid($1))
596 error_loc("invalid UUID: %s\n", $1);
597 $$ = parse_uuid($1); }
598 ;
599
600 callconv: tCDECL { $$ = $<str>1; }
601 | tFASTCALL { $$ = $<str>1; }
602 | tPASCAL { $$ = $<str>1; }
603 | tSTDCALL { $$ = $<str>1; }
604 ;
605
606 cases: { $$ = NULL; }
607 | cases case { $$ = append_var( $1, $2 ); }
608 ;
609
610 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
611 $$ = $4; if (!$$) $$ = make_var(NULL);
612 $$->attrs = append_attr( $$->attrs, a );
613 }
614 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
615 $$ = $3; if (!$$) $$ = make_var(NULL);
616 $$->attrs = append_attr( $$->attrs, a );
617 }
618 ;
619
620 enums: { $$ = NULL; }
621 | enum_list ',' { $$ = $1; }
622 | enum_list
623 ;
624
625 enum_list: enum { if (!$1->eval)
626 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
627 $$ = append_var( NULL, $1 );
628 }
629 | enum_list ',' enum { if (!$3->eval)
630 {
631 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
632 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
633 }
634 $$ = append_var( $1, $3 );
635 }
636 ;
637
638 enum: ident '=' expr_int_const { $$ = reg_const($1);
639 $$->eval = $3;
640 $$->type = make_int(0);
641 }
642 | ident { $$ = reg_const($1);
643 $$->type = make_int(0);
644 }
645 ;
646
647 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
648 $$->kind = TKIND_ENUM;
649 $$->fields_or_args = $4;
650 $$->defined = TRUE;
651 if(in_typelib)
652 add_typelib_entry($$);
653 }
654 ;
655
656 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
657 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
658 ;
659
660 /*
661 exprs: { $$ = make_expr(EXPR_VOID); }
662 | expr_list
663 ;
664
665 expr_list: expr
666 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
667 ;
668 */
669
670 m_expr: { $$ = make_expr(EXPR_VOID); }
671 | expr
672 ;
673
674 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
675 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
676 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
677 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
678 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
679 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
680 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
681 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
682 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
683 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
684 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
685 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
686 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
687 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
688 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
689 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
690 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
691 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
692 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
693 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
694 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
695 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
696 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
697 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
698 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
699 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
700 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
701 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
702 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
703 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
704 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
705 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
706 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
707 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
708 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
709 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
710 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
711 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
712 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
713 | '(' expr ')' { $$ = $2; }
714 ;
715
716 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
717 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
718 ;
719
720 expr_int_const: expr { $$ = $1;
721 if (!$$->is_const)
722 error_loc("expression is not an integer constant\n");
723 }
724 ;
725
726 expr_const: expr { $$ = $1;
727 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
728 error_loc("expression is not constant\n");
729 }
730 ;
731
732 fields: { $$ = NULL; }
733 | fields field { $$ = append_var_list($1, $2); }
734 ;
735
736 field: m_attributes decl_spec declarator_list ';'
737 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
738 check_field_attrs(first, $1);
739 $$ = set_var_types($1, $2, $3);
740 }
741 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
742 v->type = $2; v->attrs = $1;
743 $$ = append_var(NULL, v);
744 }
745 ;
746
747 ne_union_field:
748 s_field ';' { $$ = $1; }
749 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
750 ;
751
752 ne_union_fields: { $$ = NULL; }
753 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
754 ;
755
756 union_field:
757 s_field ';' { $$ = $1; }
758 | ';' { $$ = NULL; }
759 ;
760
761 s_field: m_attributes decl_spec declarator { $$ = $3->var;
762 $$->attrs = check_field_attrs($$->name, $1);
763 set_type($$, $2, $3, FALSE);
764 free($3);
765 }
766 ;
767
768 funcdef:
769 m_attributes decl_spec declarator { var_t *v = $3->var;
770 v->attrs = check_function_attrs(v->name, $1);
771 set_type(v, $2, $3, FALSE);
772 free($3);
773 $$ = make_func(v);
774 }
775 ;
776
777 declaration:
778 attributes decl_spec init_declarator
779 { $$ = $3->var;
780 $$->attrs = $1;
781 set_type($$, $2, $3, FALSE);
782 free($3);
783 }
784 | decl_spec init_declarator { $$ = $2->var;
785 set_type($$, $1, $2, FALSE);
786 free($2);
787 }
788 ;
789
790 m_ident: { $$ = NULL; }
791 | ident
792 ;
793
794 t_ident: { $$ = NULL; }
795 | aIDENTIFIER { $$ = make_var($1); }
796 | aKNOWNTYPE { $$ = make_var($1); }
797 ;
798
799 ident: aIDENTIFIER { $$ = make_var($1); }
800 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
801 | aKNOWNTYPE { $$ = make_var($<str>1); }
802 ;
803
804 base_type: tBYTE { $$ = make_builtin($<str>1); }
805 | tWCHAR { $$ = make_builtin($<str>1); }
806 | int_std
807 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
808 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
809 switch ($$->type) {
810 case RPC_FC_CHAR: break;
811 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
812 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
813 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
814 case RPC_FC_HYPER:
815 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
816 {
817 $$ = alias($$, "MIDL_uhyper");
818 $$->sign = 0;
819 }
820 break;
821 default: break;
822 }
823 }
824 | tUNSIGNED { $$ = make_int(-1); }
825 | tFLOAT { $$ = make_builtin($<str>1); }
826 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
827 | tDOUBLE { $$ = make_builtin($<str>1); }
828 | tBOOLEAN { $$ = make_builtin($<str>1); }
829 | tERRORSTATUST { $$ = make_builtin($<str>1); }
830 | tHANDLET { $$ = make_builtin($<str>1); }
831 ;
832
833 m_int:
834 | tINT
835 ;
836
837 int_std: tINT { $$ = make_builtin($<str>1); }
838 | tSHORT m_int { $$ = make_builtin($<str>1); }
839 | tSMALL { $$ = make_builtin($<str>1); }
840 | tLONG m_int { $$ = make_builtin($<str>1); }
841 | tHYPER m_int { $$ = make_builtin($<str>1); }
842 | tINT64 { $$ = make_builtin($<str>1); }
843 | tCHAR { $$ = make_builtin($<str>1); }
844 ;
845
846 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
847 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
848 if ($$->defined) error_loc("multiple definition error\n");
849 if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2);
850 }
851 ;
852
853 coclasshdr: attributes coclass { $$ = $2;
854 $$->attrs = check_coclass_attrs($2->name, $1);
855 if (!parse_only && do_header)
856 write_coclass($$);
857 if (!parse_only && do_idfile)
858 write_clsid($$);
859 }
860 ;
861
862 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
863 { $$ = $1;
864 $$->ifaces = $3;
865 $$->defined = TRUE;
866 }
867 ;
868
869 coclass_ints: { $$ = NULL; }
870 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
871 ;
872
873 coclass_int:
874 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
875 ;
876
877 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
878 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
879 ;
880
881 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
882 is_in_interface = TRUE;
883 is_object_interface = TRUE;
884 $$ = $2;
885 if ($$->defined) error_loc("multiple definition error\n");
886 attrs = make_attr(ATTR_DISPINTERFACE);
887 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
888 $$->ref = find_type("IDispatch", 0);
889 if (!$$->ref) error_loc("IDispatch is undefined\n");
890 $$->defined = TRUE;
891 if (!parse_only && do_header) write_forward($$);
892 }
893 ;
894
895 dispint_props: tPROPERTIES ':' { $$ = NULL; }
896 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
897 ;
898
899 dispint_meths: tMETHODS ':' { $$ = NULL; }
900 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
901 ;
902
903 dispinterfacedef: dispinterfacehdr '{'
904 dispint_props
905 dispint_meths
906 '}' { $$ = $1;
907 $$->fields_or_args = $3;
908 $$->funcs = $4;
909 if (!parse_only && do_header) write_interface($$);
910 if (!parse_only && do_idfile) write_diid($$);
911 is_in_interface = FALSE;
912 }
913 | dispinterfacehdr
914 '{' interface ';' '}' { $$ = $1;
915 $$->fields_or_args = $3->fields_or_args;
916 $$->funcs = $3->funcs;
917 if (!parse_only && do_header) write_interface($$);
918 if (!parse_only && do_idfile) write_diid($$);
919 is_in_interface = FALSE;
920 }
921 ;
922
923 inherit: { $$ = NULL; }
924 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
925 ;
926
927 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
928 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
929 ;
930
931 interfacehdr: attributes interface { $$.interface = $2;
932 $$.old_pointer_default = pointer_default;
933 if (is_attr($1, ATTR_POINTERDEFAULT))
934 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
935 is_object_interface = is_object($1);
936 is_in_interface = TRUE;
937 if ($2->defined) error_loc("multiple definition error\n");
938 $2->attrs = check_iface_attrs($2->name, $1);
939 $2->defined = TRUE;
940 if (!parse_only && do_header) write_forward($2);
941 }
942 ;
943
944 interfacedef: interfacehdr inherit
945 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
946 $$->ref = $2;
947 $$->funcs = $4;
948 check_functions($$);
949 compute_method_indexes($$);
950 if (!parse_only && do_header) write_interface($$);
951 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
952 if (!parse_only && do_idfile) write_iid($$);
953 pointer_default = $1.old_pointer_default;
954 is_in_interface = FALSE;
955 }
956 /* MIDL is able to import the definition of a base class from inside the
957 * definition of a derived class, I'll try to support it with this rule */
958 | interfacehdr ':' aIDENTIFIER
959 '{' import int_statements '}'
960 semicolon_opt { $$ = $1.interface;
961 $$->ref = find_type2($3, 0);
962 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
963 $$->funcs = $6;
964 compute_method_indexes($$);
965 if (!parse_only && do_header) write_interface($$);
966 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
967 if (!parse_only && do_idfile) write_iid($$);
968 pointer_default = $1.old_pointer_default;
969 is_in_interface = FALSE;
970 }
971 | dispinterfacedef semicolon_opt { $$ = $1; }
972 ;
973
974 interfacedec:
975 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
976 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
977 ;
978
979 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
980 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
981 ;
982
983 modulehdr: attributes module { $$ = $2;
984 $$->attrs = check_module_attrs($2->name, $1);
985 }
986 ;
987
988 moduledef: modulehdr '{' int_statements '}'
989 semicolon_opt { $$ = $1;
990 $$->funcs = $3;
991 /* FIXME: if (!parse_only && do_header) write_module($$); */
992 }
993 ;
994
995 storage_cls_spec:
996 tEXTERN { $$ = STG_EXTERN; }
997 | tSTATIC { $$ = STG_STATIC; }
998 | tREGISTER { $$ = STG_REGISTER; }
999 ;
1000
1001 function_specifier:
1002 tINLINE { $$ = make_attr(ATTR_INLINE); }
1003 ;
1004
1005 type_qualifier:
1006 tCONST { $$ = make_attr(ATTR_CONST); }
1007 ;
1008
1009 m_type_qual_list: { $$ = NULL; }
1010 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
1011 ;
1012
1013 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
1014 | decl_spec_no_type type m_decl_spec_no_type
1015 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
1016 ;
1017
1018 m_decl_spec_no_type: { $$ = NULL; }
1019 | decl_spec_no_type
1020 ;
1021
1022 decl_spec_no_type:
1023 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1024 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1025 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
1026 ;
1027
1028 declarator:
1029 '*' m_type_qual_list declarator %prec PPTR
1030 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1031 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1032 | direct_declarator
1033 ;
1034
1035 direct_declarator:
1036 ident { $$ = make_declarator($1); }
1037 | '(' declarator ')' { $$ = $2; }
1038 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1039 | direct_declarator '(' m_args ')' { $$ = $1;
1040 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1041 $$->type = NULL;
1042 }
1043 ;
1044
1045 declarator_list:
1046 declarator { $$ = append_declarator( NULL, $1 ); }
1047 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1048 ;
1049
1050 init_declarator:
1051 declarator { $$ = $1; }
1052 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1053 ;
1054
1055 pointer_type:
1056 tREF { $$ = RPC_FC_RP; }
1057 | tUNIQUE { $$ = RPC_FC_UP; }
1058 | tPTR { $$ = RPC_FC_FP; }
1059 ;
1060
1061 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1062 /* overwrite RPC_FC_STRUCT with a more exact type */
1063 $$->type = get_struct_type( $4 );
1064 $$->kind = TKIND_RECORD;
1065 $$->fields_or_args = $4;
1066 $$->defined = TRUE;
1067 if(in_typelib)
1068 add_typelib_entry($$);
1069 }
1070 ;
1071
1072 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
1073 | aKNOWNTYPE { $$ = find_type($1, 0); }
1074 | base_type { $$ = $1; }
1075 | enumdef { $$ = $1; }
1076 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
1077 | structdef { $$ = $1; }
1078 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
1079 | uniondef { $$ = $1; }
1080 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
1081 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1082 ;
1083
1084 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1085 { reg_typedefs($3, $4, check_typedef_attrs($2));
1086 $$ = process_typedefs($4);
1087 }
1088 ;
1089
1090 uniondef: tUNION t_ident '{' ne_union_fields '}'
1091 { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
1092 $$->kind = TKIND_UNION;
1093 $$->fields_or_args = $4;
1094 $$->defined = TRUE;
1095 }
1096 | tUNION t_ident
1097 tSWITCH '(' s_field ')'
1098 m_ident '{' cases '}' { var_t *u = $7;
1099 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
1100 $$->kind = TKIND_UNION;
1101 if (!u) u = make_var( xstrdup("tagged_union") );
1102 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1103 u->type->kind = TKIND_UNION;
1104 u->type->fields_or_args = $9;
1105 u->type->defined = TRUE;
1106 $$->fields_or_args = append_var( $$->fields_or_args, $5 );
1107 $$->fields_or_args = append_var( $$->fields_or_args, u );
1108 $$->defined = TRUE;
1109 }
1110 ;
1111
1112 version:
1113 aNUM { $$ = MAKEVERSION($1, 0); }
1114 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1115 ;
1116
1117 %%
1118
1119 static void decl_builtin(const char *name, unsigned char type)
1120 {
1121 type_t *t = make_type(type, NULL);
1122 t->name = xstrdup(name);
1123 reg_type(t, name, 0);
1124 }
1125
1126 static type_t *make_builtin(char *name)
1127 {
1128 /* NAME is strdup'd in the lexer */
1129 type_t *t = duptype(find_type(name, 0), 0);
1130 t->name = name;
1131 return t;
1132 }
1133
1134 static type_t *make_int(int sign)
1135 {
1136 type_t *t = duptype(find_type("int", 0), 1);
1137
1138 t->sign = sign;
1139 if (sign < 0)
1140 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1141
1142 return t;
1143 }
1144
1145 void init_types(void)
1146 {
1147 decl_builtin("void", 0);
1148 decl_builtin("byte", RPC_FC_BYTE);
1149 decl_builtin("wchar_t", RPC_FC_WCHAR);
1150 decl_builtin("int", RPC_FC_LONG); /* win32 */
1151 decl_builtin("short", RPC_FC_SHORT);
1152 decl_builtin("small", RPC_FC_SMALL);
1153 decl_builtin("long", RPC_FC_LONG);
1154 decl_builtin("hyper", RPC_FC_HYPER);
1155 decl_builtin("__int64", RPC_FC_HYPER);
1156 decl_builtin("char", RPC_FC_CHAR);
1157 decl_builtin("float", RPC_FC_FLOAT);
1158 decl_builtin("double", RPC_FC_DOUBLE);
1159 decl_builtin("boolean", RPC_FC_BYTE);
1160 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1161 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1162 }
1163
1164 static str_list_t *append_str(str_list_t *list, char *str)
1165 {
1166 struct str_list_entry_t *entry;
1167
1168 if (!str) return list;
1169 if (!list)
1170 {
1171 list = xmalloc( sizeof(*list) );
1172 list_init( list );
1173 }
1174 entry = xmalloc( sizeof(*entry) );
1175 entry->str = str;
1176 list_add_tail( list, &entry->entry );
1177 return list;
1178 }
1179
1180 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1181 {
1182 attr_t *attr_existing;
1183 if (!attr) return list;
1184 if (!list)
1185 {
1186 list = xmalloc( sizeof(*list) );
1187 list_init( list );
1188 }
1189 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1190 if (attr_existing->type == attr->type)
1191 {
1192 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1193 /* use the last attribute, like MIDL does */
1194 list_remove(&attr_existing->entry);
1195 break;
1196 }
1197 list_add_tail( list, &attr->entry );
1198 return list;
1199 }
1200
1201 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1202 {
1203 attr_t *attr;
1204 if (!src) return dst;
1205 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1206 if (attr->type == type)
1207 {
1208 list_remove(&attr->entry);
1209 return append_attr(dst, attr);
1210 }
1211 return dst;
1212 }
1213
1214 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1215 {
1216 struct list *entry;
1217
1218 if (!old_list) return new_list;
1219
1220 while ((entry = list_head(old_list)))
1221 {
1222 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1223 list_remove(entry);
1224 new_list = append_attr(new_list, attr);
1225 }
1226 return new_list;
1227 }
1228
1229 static attr_list_t *dupattrs(const attr_list_t *list)
1230 {
1231 attr_list_t *new_list;
1232 const attr_t *attr;
1233
1234 if (!list) return NULL;
1235
1236 new_list = xmalloc( sizeof(*list) );
1237 list_init( new_list );
1238 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1239 {
1240 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1241 *new_attr = *attr;
1242 list_add_tail(new_list, &new_attr->entry);
1243 }
1244 return new_list;
1245 }
1246
1247 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass)
1248 {
1249 decl_spec_t *declspec = left ? left : right;
1250 if (!declspec)
1251 {
1252 declspec = xmalloc(sizeof(*declspec));
1253 declspec->type = NULL;
1254 declspec->attrs = NULL;
1255 declspec->stgclass = STG_NONE;
1256 }
1257 declspec->type = type;
1258 if (left && declspec != left)
1259 {
1260 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1261 if (declspec->stgclass == STG_NONE)
1262 declspec->stgclass = left->stgclass;
1263 else if (left->stgclass != STG_NONE)
1264 error_loc("only one storage class can be specified\n");
1265 assert(!left->type);
1266 free(left);
1267 }
1268 if (right && declspec != right)
1269 {
1270 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1271 if (declspec->stgclass == STG_NONE)
1272 declspec->stgclass = right->stgclass;
1273 else if (right->stgclass != STG_NONE)
1274 error_loc("only one storage class can be specified\n");
1275 assert(!right->type);
1276 free(right);
1277 }
1278
1279 declspec->attrs = append_attr(declspec->attrs, attr);
1280 if (declspec->stgclass == STG_NONE)
1281 declspec->stgclass = stgclass;
1282 else if (stgclass != STG_NONE)
1283 error_loc("only one storage class can be specified\n");
1284
1285 /* apply attributes to type */
1286 if (type && declspec->attrs)
1287 {
1288 attr_list_t *attrs;
1289 declspec->type = duptype(type, 1);
1290 attrs = dupattrs(type->attrs);
1291 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1292 declspec->attrs = NULL;
1293 }
1294
1295 return declspec;
1296 }
1297
1298 static attr_t *make_attr(enum attr_type type)
1299 {
1300 attr_t *a = xmalloc(sizeof(attr_t));
1301 a->type = type;
1302 a->u.ival = 0;
1303 return a;
1304 }
1305
1306 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1307 {
1308 attr_t *a = xmalloc(sizeof(attr_t));
1309 a->type = type;
1310 a->u.ival = val;
1311 return a;
1312 }
1313
1314 static attr_t *make_attrp(enum attr_type type, void *val)
1315 {
1316 attr_t *a = xmalloc(sizeof(attr_t));
1317 a->type = type;
1318 a->u.pval = val;
1319 return a;
1320 }
1321
1322 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1323 {
1324 if (!expr) return list;
1325 if (!list)
1326 {
1327 list = xmalloc( sizeof(*list) );
1328 list_init( list );
1329 }
1330 list_add_tail( list, &expr->entry );
1331 return list;
1332 }
1333
1334 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1335 {
1336 if (!expr) return list;
1337 if (!list)
1338 {
1339 list = xmalloc( sizeof(*list) );
1340 list_init( list );
1341 }
1342 list_add_tail( list, &expr->entry );
1343 return list;
1344 }
1345
1346 static struct list type_pool = LIST_INIT(type_pool);
1347 typedef struct
1348 {
1349 type_t data;
1350 struct list link;
1351 } type_pool_node_t;
1352
1353 type_t *alloc_type(void)
1354 {
1355 type_pool_node_t *node = xmalloc(sizeof *node);
1356 list_add_tail(&type_pool, &node->link);
1357 return &node->data;
1358 }
1359
1360 void set_all_tfswrite(int val)
1361 {
1362 type_pool_node_t *node;
1363 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1364 node->data.tfswrite = val;
1365 }
1366
1367 type_t *make_type(unsigned char type, type_t *ref)
1368 {
1369 type_t *t = alloc_type();
1370 t->name = NULL;
1371 t->kind = TKIND_PRIMITIVE;
1372 t->type = type;
1373 t->ref = ref;
1374 t->attrs = NULL;
1375 t->orig = NULL;
1376 t->funcs = NULL;
1377 t->fields_or_args = NULL;
1378 t->ifaces = NULL;
1379 t->dim = 0;
1380 t->size_is = NULL;
1381 t->length_is = NULL;
1382 t->typestring_offset = 0;
1383 t->ptrdesc = 0;
1384 t->declarray = FALSE;
1385 t->ignore = (parse_only != 0);
1386 t->sign = 0;
1387 t->defined = FALSE;
1388 t->written = FALSE;
1389 t->user_types_registered = FALSE;
1390 t->tfswrite = FALSE;
1391 t->checked = FALSE;
1392 t->typelib_idx = -1;
1393 return t;
1394 }
1395
1396 static type_t *make_func_type(var_list_t *args)
1397 {
1398 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1399 t->fields_or_args = args;
1400 return t;
1401 }
1402
1403 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1404 {
1405 type_t *t = make_type(pointer_default, ref);
1406 t->attrs = attrs;
1407 return t;
1408 }
1409
1410 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1411 {
1412 type_t *ptrchain_type;
1413 if (!ptrchain)
1414 return type;
1415 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1416 ;
1417 ptrchain_type->ref = type;
1418 return ptrchain;
1419 }
1420
1421 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1422 int top)
1423 {
1424 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1425 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1426 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1427 int sizeless, has_varconf;
1428 expr_t *dim;
1429 type_t *atype, **ptype;
1430 array_dims_t *arr = decl ? decl->array : NULL;
1431 type_t *func_type = decl ? decl->func_type : NULL;
1432 type_t *type = decl_spec->type;
1433
1434 if (is_attr(type->attrs, ATTR_INLINE))
1435 {
1436 if (!func_type)
1437 error_loc("inline attribute applied to non-function type\n");
1438 else
1439 {
1440 type_t *t;
1441 /* move inline attribute from return type node to function node */
1442 for (t = func_type; is_ptr(t); t = t->ref)
1443 ;
1444 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1445 }
1446 }
1447
1448 /* add type onto the end of the pointers in pident->type */
1449 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1450 v->stgclass = decl_spec->stgclass;
1451
1452 /* the highest level of pointer specified should default to the var's ptr attr
1453 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1454 * pointer_default so we need to fix that up here */
1455 if (!arr)
1456 {
1457 const type_t *ptr = NULL;
1458 /* pointer attributes on the left side of the type belong to the function
1459 * pointer, if one is being declared */
1460 type_t **pt = func_type ? &func_type : &v->type;
1461 for (ptr = *pt; ptr; )
1462 {
1463 if (ptr->kind == TKIND_ALIAS)
1464 ptr = ptr->orig;
1465 else
1466 break;
1467 }
1468 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1469 {
1470 /* duplicate type to avoid changing original type */
1471 *pt = duptype(*pt, 1);
1472 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1473 }
1474 else if (ptr_attr)
1475 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1476 }
1477
1478 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1479 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1480 v->name);
1481
1482 sizeless = FALSE;
1483 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1484 {
1485 if (sizeless)
1486 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1487
1488 if (dim->is_const)
1489 {
1490 unsigned int align = 0;
1491 size_t size = type_memsize(v->type, &align);
1492
1493 if (dim->cval <= 0)
1494 error_loc("%s: array dimension must be positive\n", v->name);
1495
1496 if (0xffffffffuL / size < (unsigned long) dim->cval)
1497 error_loc("%s: total array size is too large\n", v->name);
1498 else if (0xffffuL < size * dim->cval)
1499 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1500 else
1501 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1502 }
1503 else
1504 {
1505 sizeless = TRUE;
1506 v->type = make_type(RPC_FC_CARRAY, v->type);
1507 }
1508
1509 v->type->declarray = TRUE;
1510 v->type->dim = dim->cval;
1511 }
1512
1513 ptype = &v->type;
1514 has_varconf = FALSE;
1515 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1516 {
1517 if (dim->type != EXPR_VOID)
1518 {
1519 has_varconf = TRUE;
1520 atype = *ptype = duptype(*ptype, 0);
1521
1522 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1523 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1524
1525 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1526 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1527
1528 atype->type = RPC_FC_CARRAY;
1529 atype->size_is = dim;
1530 }
1531
1532 ptype = &(*ptype)->ref;
1533 if (*ptype == NULL)
1534 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1535 }
1536
1537 ptype = &v->type;
1538 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1539 {
1540 if (dim->type != EXPR_VOID)
1541 {
1542 has_varconf = TRUE;
1543 atype = *ptype = duptype(*ptype, 0);
1544
1545 if (atype->type == RPC_FC_SMFARRAY)
1546 atype->type = RPC_FC_SMVARRAY;
1547 else if (atype->type == RPC_FC_LGFARRAY)
1548 atype->type = RPC_FC_LGVARRAY;
1549 else if (atype->type == RPC_FC_CARRAY)
1550 atype->type = RPC_FC_CVARRAY;
1551 else
1552 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1553
1554 atype->length_is = dim;
1555 }
1556
1557 ptype = &(*ptype)->ref;
1558 if (*ptype == NULL)
1559 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1560 }
1561
1562 if (has_varconf && !last_array(v->type))
1563 {
1564 ptype = &v->type;
1565 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1566 {
1567 *ptype = duptype(*ptype, 0);
1568 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1569 }
1570 }
1571
1572 if (is_array(v->type))
1573 {
1574 const type_t *rt = v->type->ref;
1575 if (is_user_type(rt))
1576 v->type->type = RPC_FC_BOGUS_ARRAY;
1577 else
1578 switch (rt->type)
1579 {
1580 case RPC_FC_BOGUS_STRUCT:
1581 case RPC_FC_NON_ENCAPSULATED_UNION:
1582 case RPC_FC_ENCAPSULATED_UNION:
1583 case RPC_FC_ENUM16:
1584 v->type->type = RPC_FC_BOGUS_ARRAY;
1585 break;
1586 /* FC_RP should be above, but widl overuses these, and will break things. */
1587 case RPC_FC_UP:
1588 case RPC_FC_RP:
1589 if (rt->ref->type == RPC_FC_IP)
1590 v->type->type = RPC_FC_BOGUS_ARRAY;
1591 break;
1592 }
1593 }
1594
1595 /* v->type is currently pointing to the type on the left-side of the
1596 * declaration, so we need to fix this up so that it is the return type of the
1597 * function and make v->type point to the function side of the declaration */
1598 if (func_type)
1599 {
1600 type_t *ft, *t;
1601 type_t *return_type = v->type;
1602 v->type = func_type;
1603 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1604 ;
1605 assert(ft->type == RPC_FC_FUNCTION);
1606 ft->ref = return_type;
1607 /* move calling convention attribute, if present, from pointer nodes to
1608 * function node */
1609 for (t = v->type; is_ptr(t); t = t->ref)
1610 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1611 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1612 {
1613 static char *stdmethodcalltype;
1614 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1615 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1616 }
1617 }
1618 else
1619 {
1620 type_t *t;
1621 for (t = v->type; is_ptr(t); t = t->ref)
1622 if (is_attr(t->attrs, ATTR_CALLCONV))
1623 error_loc("calling convention applied to non-function-pointer type\n");
1624 }
1625 }
1626
1627 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1628 {
1629 declarator_t *decl, *next;
1630 var_list_t *var_list = NULL;
1631
1632 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1633 {
1634 var_t *var = decl->var;
1635
1636 var->attrs = attrs;
1637 set_type(var, decl_spec, decl, 0);
1638 var_list = append_var(var_list, var);
1639 free(decl);
1640 }
1641 return var_list;
1642 }
1643
1644 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1645 {
1646 if (!iface) return list;
1647 if (!list)
1648 {
1649 list = xmalloc( sizeof(*list) );
1650 list_init( list );
1651 }
1652 list_add_tail( list, &iface->entry );
1653 return list;
1654 }
1655
1656 static ifref_t *make_ifref(type_t *iface)
1657 {
1658 ifref_t *l = xmalloc(sizeof(ifref_t));
1659 l->iface = iface;
1660 l->attrs = NULL;
1661 return l;
1662 }
1663
1664 static var_list_t *append_var(var_list_t *list, var_t *var)
1665 {
1666 if (!var) return list;
1667 if (!list)
1668 {
1669 list = xmalloc( sizeof(*list) );
1670 list_init( list );
1671 }
1672 list_add_tail( list, &var->entry );
1673 return list;
1674 }
1675
1676 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1677 {
1678 if (!vars) return list;
1679 if (!list)
1680 {
1681 list = xmalloc( sizeof(*list) );
1682 list_init( list );
1683 }
1684 list_move_tail( list, vars );
1685 return list;
1686 }
1687
1688 static var_t *make_var(char *name)
1689 {
1690 var_t *v = xmalloc(sizeof(var_t));
1691 v->name = name;
1692 v->type = NULL;
1693 v->attrs = NULL;
1694 v->eval = NULL;
1695 v->stgclass = STG_NONE;
1696 v->loc_info.input_name = input_name ? input_name : "stdin";
1697 v->loc_info.line_number = line_number;
1698 v->loc_info.near_text = parser_text;
1699 return v;
1700 }
1701
1702 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1703 {
1704 if (!d) return list;
1705 if (!list) {
1706 list = xmalloc(sizeof(*list));
1707 list_init(list);
1708 }
1709 list_add_tail(list, &d->entry);
1710 return list;
1711 }
1712
1713 static declarator_t *make_declarator(var_t *var)
1714 {
1715 declarator_t *d = xmalloc(sizeof(*d));
1716 d->var = var;
1717 d->type = NULL;
1718 d->func_type = NULL;
1719 d->array = NULL;
1720 return d;
1721 }
1722
1723 static func_list_t *append_func(func_list_t *list, func_t *func)
1724 {
1725 if (!func) return list;
1726 if (!list)
1727 {
1728 list = xmalloc( sizeof(*list) );
1729 list_init( list );
1730 }
1731 list_add_tail( list, &func->entry );
1732 return list;
1733 }
1734
1735 static func_t *make_func(var_t *def)
1736 {
1737 func_t *f = xmalloc(sizeof(func_t));
1738 f->def = def;
1739 f->args = def->type->fields_or_args;
1740 f->ignore = parse_only;
1741 f->idx = -1;
1742 return f;
1743 }
1744
1745 static type_t *make_class(char *name)
1746 {
1747 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1748 c->name = name;
1749 c->kind = TKIND_COCLASS;
1750 return c;
1751 }
1752
1753 static type_t *make_safearray(type_t *type)
1754 {
1755 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1756 sa->ref = type;
1757 return make_type(pointer_default, sa);
1758 }
1759
1760 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1761 {
1762 typelib_t *typelib = xmalloc(sizeof(*typelib));
1763 typelib->name = xstrdup(name);
1764 typelib->filename = NULL;
1765 typelib->attrs = attrs;
1766 list_init( &typelib->entries );
1767 list_init( &typelib->importlibs );
1768 return typelib;
1769 }
1770
1771 #define HASHMAX 64
1772
1773 static int hash_ident(const char *name)
1774 {
1775 const char *p = name;
1776 int sum = 0;
1777 /* a simple sum hash is probably good enough */
1778 while (*p) {
1779 sum += *p;
1780 p++;
1781 }
1782 return sum & (HASHMAX-1);
1783 }
1784
1785 /***** type repository *****/
1786
1787 struct rtype {
1788 const char *name;
1789 type_t *type;
1790 int t;
1791 struct rtype *next;
1792 };
1793
1794 struct rtype *type_hash[HASHMAX];
1795
1796 static type_t *reg_type(type_t *type, const char *name, int t)
1797 {
1798 struct rtype *nt;
1799 int hash;
1800 if (!name) {
1801 error_loc("registering named type without name\n");
1802 return type;
1803 }
1804 hash = hash_ident(name);
1805 nt = xmalloc(sizeof(struct rtype));
1806 nt->name = name;
1807 nt->type = type;
1808 nt->t = t;
1809 nt->next = type_hash[hash];
1810 type_hash[hash] = nt;
1811 return type;
1812 }
1813
1814 static int is_incomplete(const type_t *t)
1815 {
1816 return !t->defined && (is_struct(t->type) || is_union(t->type));
1817 }
1818
1819 static void add_incomplete(type_t *t)
1820 {
1821 struct typenode *tn = xmalloc(sizeof *tn);
1822 tn->type = t;
1823 list_add_tail(&incomplete_types, &tn->entry);
1824 }
1825
1826 static void fix_type(type_t *t)
1827 {
1828 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1829 type_t *ot = t->orig;
1830 fix_type(ot);
1831 t->fields_or_args = ot->fields_or_args;
1832 t->defined = ot->defined;
1833 }
1834 }
1835
1836 static void fix_incomplete(void)
1837 {
1838 struct typenode *tn, *next;
1839
1840 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1841 fix_type(tn->type);
1842 free(tn);
1843 }
1844 }
1845
1846 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1847 {
1848 const declarator_t *decl;
1849 int is_str = is_attr(attrs, ATTR_STRING);
1850 type_t *type = decl_spec->type;
1851
1852 if (is_str)
1853 {
1854 type_t *t = decl_spec->type;
1855 unsigned char c;
1856
1857 while (is_ptr(t))
1858 t = t->ref;
1859
1860 c = t->type;
1861 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1862 {
1863 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1864 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1865 decl->var->name);
1866 }
1867 }
1868
1869 /* We must generate names for tagless enum, struct or union.
1870 Typedef-ing a tagless enum, struct or union means we want the typedef
1871 to be included in a library hence the public attribute. */
1872 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1873 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1874 {
1875 if (! is_attr(attrs, ATTR_PUBLIC))
1876 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1877 type->name = gen_name();
1878 }
1879 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1880 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1881
1882 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1883 {
1884 var_t *name = decl->var;
1885
1886 if (name->name) {
1887 type_t *cur;
1888
1889 /* set the attributes to allow set_type to do some checks on them */
1890 name->attrs = attrs;
1891 set_type(name, decl_spec, decl, 0);
1892 cur = alias(name->type, name->name);
1893 cur->attrs = attrs;
1894
1895 if (is_incomplete(cur))
1896 add_incomplete(cur);
1897 reg_type(cur, cur->name, 0);
1898 }
1899 }
1900 return type;
1901 }
1902
1903 type_t *find_type(const char *name, int t)
1904 {
1905 struct rtype *cur = type_hash[hash_ident(name)];
1906 while (cur && (cur->t != t || strcmp(cur->name, name)))
1907 cur = cur->next;
1908 if (!cur) {
1909 error_loc("type '%s' not found\n", name);
1910 return NULL;
1911 }
1912 return cur->type;
1913 }
1914
1915 static type_t *find_type2(char *name, int t)
1916 {
1917 type_t *tp = find_type(name, t);
1918 free(name);
1919 return tp;
1920 }
1921
1922 int is_type(const char *name)
1923 {
1924 struct rtype *cur = type_hash[hash_ident(name)];
1925 while (cur && (cur->t || strcmp(cur->name, name)))
1926 cur = cur->next;
1927 if (cur) return TRUE;
1928 return FALSE;
1929 }
1930
1931 static type_t *get_type(unsigned char type, char *name, int t)
1932 {
1933 struct rtype *cur = NULL;
1934 type_t *tp;
1935 if (name) {
1936 cur = type_hash[hash_ident(name)];
1937 while (cur && (cur->t != t || strcmp(cur->name, name)))
1938 cur = cur->next;
1939 }
1940 if (cur) {
1941 free(name);
1942 return cur->type;
1943 }
1944 tp = make_type(type, NULL);
1945 tp->name = name;
1946 if (!name) return tp;
1947 return reg_type(tp, name, t);
1948 }
1949
1950 static type_t *get_typev(unsigned char type, var_t *name, int t)
1951 {
1952 char *sname = NULL;
1953 if (name) {
1954 sname = name->name;
1955 free(name);
1956 }
1957 return get_type(type, sname, t);
1958 }
1959
1960 static int get_struct_type(var_list_t *fields)
1961 {
1962 int has_pointer = 0;
1963 int has_conformance = 0;
1964 int has_variance = 0;
1965 var_t *field;
1966
1967 if (get_padding(fields))
1968 return RPC_FC_BOGUS_STRUCT;
1969
1970 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1971 {
1972 type_t *t = field->type;
1973
1974 if (is_user_type(t))
1975 return RPC_FC_BOGUS_STRUCT;
1976
1977 if (is_ptr(t))
1978 {
1979 do
1980 t = t->ref;
1981 while (is_ptr(t));
1982
1983 switch (t->type)
1984 {
1985 case RPC_FC_IP:
1986 case RPC_FC_ENCAPSULATED_UNION:
1987 case RPC_FC_NON_ENCAPSULATED_UNION:
1988 case RPC_FC_BOGUS_STRUCT:
1989 return RPC_FC_BOGUS_STRUCT;
1990 }
1991
1992 has_pointer = 1;
1993 continue;
1994 }
1995
1996 if (field->type->declarray)
1997 {
1998 if (is_string_type(field->attrs, field->type))
1999 {
2000 if (is_conformant_array(field->type))
2001 has_conformance = 1;
2002 has_variance = 1;
2003 continue;
2004 }
2005
2006 if (is_array(field->type->ref))
2007 return RPC_FC_BOGUS_STRUCT;
2008
2009 if (is_conformant_array(field->type))
2010 {
2011 has_conformance = 1;
2012 if (field->type->declarray && list_next(fields, &field->entry))
2013 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2014 field->name);
2015 }
2016 if (field->type->length_is)
2017 has_variance = 1;
2018
2019 t = field->type->ref;
2020 }
2021
2022 switch (t->type)
2023 {
2024 /*
2025 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
2026 * Simple types don't effect the type of struct.
2027 * A struct containing a simple struct is still a simple struct.
2028 * So long as we can block copy the data, we return RPC_FC_STRUCT.
2029 */
2030 case 0: /* void pointer */
2031 case RPC_FC_BYTE:
2032 case RPC_FC_CHAR:
2033 case RPC_FC_SMALL:
2034 case RPC_FC_USMALL:
2035 case RPC_FC_WCHAR:
2036 case RPC_FC_SHORT:
2037 case RPC_FC_USHORT:
2038 case RPC_FC_LONG:
2039 case RPC_FC_ULONG:
2040 case RPC_FC_INT3264:
2041 case RPC_FC_UINT3264:
2042 case RPC_FC_HYPER:
2043 case RPC_FC_FLOAT:
2044 case RPC_FC_DOUBLE:
2045 case RPC_FC_STRUCT:
2046 case RPC_FC_ENUM32:
2047 break;
2048
2049 case RPC_FC_RP:
2050 case RPC_FC_UP:
2051 case RPC_FC_FP:
2052 case RPC_FC_OP:
2053 case RPC_FC_CARRAY:
2054 case RPC_FC_CVARRAY:
2055 case RPC_FC_BOGUS_ARRAY:
2056 has_pointer = 1;
2057 break;
2058
2059 /*
2060 * Propagate member attributes
2061 * a struct should be at least as complex as its member
2062 */
2063 case RPC_FC_CVSTRUCT:
2064 has_conformance = 1;
2065 has_variance = 1;
2066 has_pointer = 1;
2067 break;
2068
2069 case RPC_FC_CPSTRUCT:
2070 has_conformance = 1;
2071 if (list_next( fields, &field->entry ))
2072 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2073 field->name);
2074 has_pointer = 1;
2075 break;
2076
2077 case RPC_FC_CSTRUCT:
2078 has_conformance = 1;
2079 if (list_next( fields, &field->entry ))
2080 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2081 field->name);
2082 break;
2083
2084 case RPC_FC_PSTRUCT:
2085 has_pointer = 1;
2086 break;
2087
2088 default:
2089 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2090 /* fallthru - treat it as complex */
2091
2092 /* as soon as we see one of these these members, it's bogus... */
2093 case RPC_FC_ENCAPSULATED_UNION:
2094 case RPC_FC_NON_ENCAPSULATED_UNION:
2095 case RPC_FC_BOGUS_STRUCT:
2096 case RPC_FC_ENUM16:
2097 return RPC_FC_BOGUS_STRUCT;
2098 }
2099 }
2100
2101 if( has_variance )
2102 {
2103 if ( has_conformance )
2104 return RPC_FC_CVSTRUCT;
2105 else
2106 return RPC_FC_BOGUS_STRUCT;
2107 }
2108 if( has_conformance && has_pointer )
2109 return RPC_FC_CPSTRUCT;
2110 if( has_conformance )
2111 return RPC_FC_CSTRUCT;
2112 if( has_pointer )
2113 return RPC_FC_PSTRUCT;
2114 return RPC_FC_STRUCT;
2115 }
2116
2117 /***** constant repository *****/
2118
2119 struct rconst {
2120 char *name;
2121 var_t *var;
2122 struct rconst *next;
2123 };
2124
2125 struct rconst *const_hash[HASHMAX];
2126
2127 static var_t *reg_const(var_t *var)
2128 {
2129 struct rconst *nc;
2130 int hash;
2131 if (!var->name) {
2132 error_loc("registering constant without name\n");
2133 return var;
2134 }
2135 hash = hash_ident(var->name);
2136 nc = xmalloc(sizeof(struct rconst));
2137 nc->name = var->name;
2138 nc->var = var;
2139 nc->next = const_hash[hash];
2140 const_hash[hash] = nc;
2141 return var;
2142 }
2143
2144 var_t *find_const(const char *name, int f)
2145 {
2146 struct rconst *cur = const_hash[hash_ident(name)];
2147 while (cur && strcmp(cur->name, name))
2148 cur = cur->next;
2149 if (!cur) {
2150 if (f) error_loc("constant '%s' not found\n", name);
2151 return NULL;
2152 }
2153 return cur->var;
2154 }
2155
2156 static void write_libid(const typelib_t *typelib)
2157 {
2158 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2159 write_guid(idfile, "LIBID", typelib->name, uuid);
2160 }
2161
2162 static void write_clsid(type_t *cls)
2163 {
2164 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2165 write_guid(idfile, "CLSID", cls->name, uuid);
2166 }
2167
2168 static void write_diid(type_t *iface)
2169 {
2170 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2171 write_guid(idfile, "DIID", iface->name, uuid);
2172 }
2173
2174 static void write_iid(type_t *iface)
2175 {
2176 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2177 write_guid(idfile, "IID", iface->name, uuid);
2178 }
2179
2180 static int compute_method_indexes(type_t *iface)
2181 {
2182 int idx;
2183 func_t *f;
2184
2185 if (iface->ref)
2186 idx = compute_method_indexes(iface->ref);
2187 else
2188 idx = 0;
2189
2190 if (!iface->funcs)
2191 return idx;
2192
2193 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2194 if (! is_callas(f->def->attrs))
2195 f->idx = idx++;
2196
2197 return idx;
2198 }
2199
2200 static char *gen_name(void)
2201 {
2202 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2203 static unsigned long n = 0;
2204 static const char *file_id;
2205 static size_t size;
2206 char *name;
2207
2208 if (! file_id)
2209 {
2210 char *dst = dup_basename(input_name, ".idl");
2211 file_id = dst;
2212
2213 for (; *dst; ++dst)
2214 if (! isalnum((unsigned char) *dst))
2215 *dst = '_';
2216
2217 size = sizeof format - 7 + strlen(file_id) + 8;
2218 }
2219
2220 name = xmalloc(size);
2221 sprintf(name, format, file_id, n++);
2222 return name;
2223 }
2224
2225 struct allowed_attr
2226 {
2227 unsigned int dce_compatible : 1;
2228 unsigned int acf : 1;
2229 unsigned int on_interface : 1;
2230 unsigned int on_function : 1;
2231 unsigned int on_arg : 1;
2232 unsigned int on_type : 1;
2233 unsigned int on_field : 1;
2234 unsigned int on_library : 1;
2235 unsigned int on_dispinterface : 1;
2236 unsigned int on_module : 1;
2237 unsigned int on_coclass : 1;
2238 const char *display_name;
2239 };
2240
2241 struct allowed_attr allowed_attr[] =
2242 {
2243 /* attr { D ACF I Fn ARG T Fi L DI M C <display name> } */
2244 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2245 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2246 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, "async" },
2247 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2248 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2249 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2250 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2251 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, NULL },
2252 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2253 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2254 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "context_handle" },
2255 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2256 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2257 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2258 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2259 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2260 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2261 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2262 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2263 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2264 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2265 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "entry" },
2266 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2267 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "handle" },
2268 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpcontext" },
2269 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2270 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstring" },
2271 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstringcontext" },
2272 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2273 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2274 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, "id" },
2275 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2276 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "iid_is" },
2277 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2278 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2279 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "in" },
2280 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2281 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2282 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "length_is" },
2283 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2284 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "local" },
2285 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2286 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2287 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2288 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2289 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2290 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2291 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "optional" },
2292 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "out" },
2293 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2294 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2295 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propget" },
2296 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propput" },
2297 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2298 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "public" },
2299 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "range" },
2300 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "readonly" },
2301 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2302 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, "restricted" },
2303 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "retval" },
2304 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "size_is" },
2305 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, "source" },
2306 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2307 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, "string" },
2308 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "switch_is" },
2309 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, "switch_type" },
2310 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "transmit_as" },
2311 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, "uuid" },
2312 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "v1_enum" },
2313 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2314 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2315 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "wire_marshal" },
2316 };
2317
2318 const char *get_attr_display_name(enum attr_type type)
2319 {
2320 return allowed_attr[type].display_name;
2321 }
2322
2323 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2324 {
2325 const attr_t *attr;
2326 if (!attrs) return attrs;
2327 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2328 {
2329 if (!allowed_attr[attr->type].on_interface)
2330 error_loc("inapplicable attribute %s for interface %s\n",
2331 allowed_attr[attr->type].display_name, name);
2332 }
2333 return attrs;
2334 }
2335
2336 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2337 {
2338 const attr_t *attr;
2339 if (!attrs) return attrs;
2340 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2341 {
2342 if (!allowed_attr[attr->type].on_function)
2343 error_loc("inapplicable attribute %s for function %s\n",
2344 allowed_attr[attr->type].display_name, name);
2345 }
2346 return attrs;
2347 }
2348
2349 static void check_arg(var_t *arg)
2350 {
2351 const type_t *t = arg->type;
2352 const attr_t *attr;
2353
2354 if (t->type == 0 && ! is_var_ptr(arg))
2355 error_loc("argument '%s' has void type\n", arg->name);
2356
2357 if (arg->attrs)
2358 {
2359 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2360 {
2361 if (!allowed_attr[attr->type].on_arg)
2362 error_loc("inapplicable attribute %s for argument %s\n",
2363 allowed_attr[attr->type].display_name, arg->name);
2364 }
2365 }
2366 }
2367
2368 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2369 {
2370 const attr_t *attr;
2371 if (!attrs) return attrs;
2372 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2373 {
2374 if (!allowed_attr[attr->type].on_type)
2375 error_loc("inapplicable attribute %s for typedef\n",
2376 allowed_attr[attr->type].display_name);
2377 }
2378 return attrs;
2379 }
2380
2381 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2382 {
2383 const attr_t *attr;
2384 if (!attrs) return attrs;
2385 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2386 {
2387 if (!allowed_attr[attr->type].on_field)
2388 error_loc("inapplicable attribute %s for field %s\n",
2389 allowed_attr[attr->type].display_name, name);
2390 }
2391 return attrs;
2392 }
2393
2394 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2395 {
2396 const attr_t *attr;
2397 if (!attrs) return attrs;
2398 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2399 {
2400 if (!allowed_attr[attr->type].on_library)
2401 error_loc("inapplicable attribute %s for library %s\n",
2402 allowed_attr[attr->type].display_name, name);
2403 }
2404 return attrs;
2405 }
2406
2407 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2408 {
2409 const attr_t *attr;
2410 if (!attrs) return attrs;
2411 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2412 {
2413 if (!allowed_attr[attr->type].on_dispinterface)
2414 error_loc("inapplicable attribute %s for dispinterface %s\n",
2415 allowed_attr[attr->type].display_name, name);
2416 }
2417 return attrs;
2418 }
2419
2420 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2421 {
2422 const attr_t *attr;
2423 if (!attrs) return attrs;
2424 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2425 {
2426 if (!allowed_attr[attr->type].on_module)
2427 error_loc("inapplicable attribute %s for module %s\n",
2428 allowed_attr[attr->type].display_name, name);
2429 }
2430 return attrs;
2431 }
2432
2433 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2434 {
2435 const attr_t *attr;
2436 if (!attrs) return attrs;
2437 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2438 {
2439 if (!allowed_attr[attr->type].on_coclass)
2440 error_loc("inapplicable attribute %s for coclass %s\n",
2441 allowed_attr[attr->type].display_name, name);
2442 }
2443 return attrs;
2444 }
2445
2446 static int is_allowed_conf_type(const type_t *type)
2447 {
2448 switch (type->type)
2449 {
2450 case RPC_FC_CHAR:
2451 case RPC_FC_SMALL:
2452 case RPC_FC_BYTE:
2453 case RPC_FC_USMALL:
2454 case RPC_FC_WCHAR:
2455 case RPC_FC_SHORT:
2456 case RPC_FC_ENUM16:
2457 case RPC_FC_USHORT:
2458 case RPC_FC_LONG:
2459 case RPC_FC_ENUM32:
2460 case RPC_FC_ULONG:
2461 return TRUE;
2462 default:
2463 return FALSE;
2464 }
2465 }
2466
2467 static int is_ptr_guid_type(const type_t *type)
2468 {
2469 unsigned int align = 0;
2470 for (;;)
2471 {
2472 if (type->kind == TKIND_ALIAS)
2473 type = type->orig;
2474 else if (is_ptr(type))
2475 {
2476 type = type->ref;
2477 break;
2478 }
2479 else
2480 return FALSE;
2481 }
2482 return (type_memsize(type, &align) == 16);
2483 }
2484
2485 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2486 {
2487 expr_t *dim;
2488 struct expr_loc expr_loc;
2489 expr_loc.v = arg;
2490 expr_loc.attr = attr_name;
2491 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2492 {
2493 if (dim->type != EXPR_VOID)
2494 {
2495 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2496 if (!is_allowed_conf_type(expr_type))
2497 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2498 attr_name);
2499 }
2500 }
2501 }
2502
2503 static void check_remoting_fields(const var_t *var, type_t *type);
2504
2505 /* checks that properties common to fields and arguments are consistent */
2506 static void check_field_common(const type_t *container_type,
2507 const char *container_name, const var_t *arg)
2508 {
2509 type_t *type = arg->type;
2510 int is_wire_marshal = 0;
2511 int is_context_handle = 0;
2512 const char *container_type_name = NULL;
2513
2514 if (is_struct(container_type->type))
2515 container_type_name = "struct";
2516 else if (is_union(container_type->type))
2517 container_type_name = "union";
2518 else if (container_type->type == RPC_FC_FUNCTION)
2519 container_type_name = "function";
2520
2521 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2522 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2523 error_loc_info(&arg->loc_info,
2524 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2525 arg->name);
2526
2527 if (is_attr(arg->attrs, ATTR_SIZEIS))
2528 {
2529 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2530 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2531 }
2532 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2533 {
2534 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2535 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2536 }
2537 if (is_attr(arg->attrs, ATTR_IIDIS))
2538 {
2539 struct expr_loc expr_loc;
2540 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2541 if (expr->type != EXPR_VOID)
2542 {
2543 const type_t *expr_type;
2544 expr_loc.v = arg;
2545 expr_loc.attr = "iid_is";
2546 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2547 if (!expr_type || !is_ptr_guid_type(expr_type))
2548 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2549 }
2550 }
2551 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2552 {
2553 struct expr_loc expr_loc;
2554 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2555 if (expr->type != EXPR_VOID)
2556 {
2557 const type_t *expr_type;
2558 expr_loc.v = arg;
2559 expr_loc.attr = "switch_is";
2560 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2561 if (!expr_type || !is_allowed_conf_type(expr_type))
2562 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2563 expr_loc.attr);
2564 }
2565 }
2566
2567 /* get fundamental type for the argument */
2568 for (;;)
2569 {
2570 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2571 {
2572 is_wire_marshal = 1;
2573 break;
2574 }
2575 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2576 {
2577 is_context_handle = 1;
2578 break;
2579 }
2580 if (type->kind == TKIND_ALIAS)
2581 type = type->orig;
2582 else if (is_ptr(type) || is_array(type))
2583 type = type->ref;
2584 else
2585 break;
2586 }
2587
2588 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2589 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2590 else if (type->type == RPC_FC_FUNCTION)
2591 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2592 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2593 check_remoting_fields(arg, type);
2594 }
2595
2596 static void check_remoting_fields(const var_t *var, type_t *type)
2597 {
2598 const var_t *field;
2599 const var_list_t *fields = NULL;
2600
2601 if (type->checked)
2602 return;
2603
2604 type->checked = TRUE;
2605
2606 if (is_struct(type->type))
2607 fields = type->fields_or_args;
2608 else if (is_union(type->type))
2609 {
2610 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2611 {
2612 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2613 fields = uv->type->fields_or_args;
2614 }
2615 else
2616 fields = type->fields_or_args;
2617 }
2618
2619 if (fields) LIST_FOR_EACH_ENTRY( field, type->fields_or_args, const var_t, entry )
2620 if (field->type) check_field_common(type, type->name, field);
2621 }
2622
2623 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2624 static void check_remoting_args(const func_t *func)
2625 {
2626 const char *funcname = func->def->name;
2627 const var_t *arg;
2628
2629 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2630 {
2631 int ptr_level = 0;
2632 const type_t *type = arg->type;
2633
2634 /* get pointer level and fundamental type for the argument */
2635 for (;;)
2636 {
2637 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2638 break;
2639 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2640 break;
2641 if (type->kind == TKIND_ALIAS)
2642 type = type->orig;
2643 else if (is_ptr(type))
2644 {
2645 ptr_level++;
2646 type = type->ref;
2647 }
2648 else
2649 break;
2650 }
2651
2652 /* check that [out] parameters have enough pointer levels */
2653 if (is_attr(arg->attrs, ATTR_OUT))
2654 {
2655 if (!is_array(type))
2656 {
2657 if (!ptr_level)
2658 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2659 if (type->type == RPC_FC_IP && ptr_level == 1)
2660 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2661 }
2662 }
2663
2664 check_field_common(func->def->type, funcname, arg);
2665 }
2666 }
2667
2668 static void add_explicit_handle_if_necessary(func_t *func)
2669 {
2670 const var_t* explicit_handle_var;
2671 const var_t* explicit_generic_handle_var = NULL;
2672 const var_t* context_handle_var = NULL;
2673
2674 /* check for a defined binding handle */
2675 explicit_handle_var = get_explicit_handle_var(func);
2676 if (!explicit_handle_var)
2677 {
2678 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2679 if (!explicit_generic_handle_var)
2680 {
2681 context_handle_var = get_context_handle_var(func);
2682 if (!context_handle_var)
2683 {
2684 /* no explicit handle specified so add
2685 * "[in] handle_t IDL_handle" as the first parameter to the
2686 * function */
2687 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2688 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2689 idl_handle->type = find_type("handle_t", 0);
2690 if (!func->def->type->fields_or_args)
2691 {
2692 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2693 list_init( func->def->type->fields_or_args );
2694 }
2695 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2696 func->args = func->def->type->fields_or_args;
2697 }
2698 }
2699 }
2700 }
2701
2702 static void check_functions(const type_t *iface)
2703 {
2704 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2705 {
2706 func_t *func;
2707 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2708 add_explicit_handle_if_necessary(func);
2709 }
2710 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2711 {
2712 const func_t *func;
2713 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2714 {
2715 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2716 check_remoting_args(func);
2717 }
2718 }
2719 }
2720
2721 static void check_all_user_types(const statement_list_t *stmts)
2722 {
2723 const statement_t *stmt;
2724
2725 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2726 {
2727 if (stmt->type == STMT_LIBRARY)
2728 check_all_user_types(stmt->u.lib->stmts);
2729 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2730 {
2731 const func_t *f;
2732 const func_list_t *fs = stmt->u.type->funcs;
2733 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2734 check_for_additional_prototype_types(f->args);
2735 }
2736 }
2737 }
2738
2739 int is_valid_uuid(const char *s)
2740 {
2741 int i;
2742
2743 for (i = 0; i < 36; ++i)
2744 if (i == 8 || i == 13 || i == 18 || i == 23)
2745 {
2746 if (s[i] != '-')
2747 return FALSE;
2748 }
2749 else
2750 if (!isxdigit(s[i]))
2751 return FALSE;
2752
2753 return s[i] == '\0';
2754 }
2755
2756 static statement_t *make_statement(enum statement_type type)
2757 {
2758 statement_t *stmt = xmalloc(sizeof(*stmt));
2759 stmt->type = type;
2760 return stmt;
2761 }
2762
2763 static statement_t *make_statement_type_decl(type_t *type)
2764 {
2765 statement_t *stmt = make_statement(STMT_TYPE);
2766 stmt->u.type = type;
2767 return stmt;
2768 }
2769
2770 static statement_t *make_statement_reference(type_t *type)
2771 {
2772 statement_t *stmt = make_statement(STMT_TYPEREF);
2773 stmt->u.type = type;
2774 return stmt;
2775 }
2776
2777 static statement_t *make_statement_declaration(var_t *var)
2778 {
2779 statement_t *stmt = make_statement(STMT_DECLARATION);
2780 stmt->u.var = var;
2781 if (var->stgclass == STG_EXTERN && var->eval)
2782 warning("'%s' initialised and declared extern\n", var->name);
2783 if (is_const_decl(var))
2784 {
2785 if (var->eval)
2786 reg_const(var);
2787 }
2788 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2789 var->type->type != RPC_FC_FUNCTION)
2790 error_loc("instantiation of data is illegal\n");
2791 return stmt;
2792 }
2793
2794 static statement_t *make_statement_library(typelib_t *typelib)
2795 {
2796 statement_t *stmt = make_statement(STMT_LIBRARY);
2797 stmt->u.lib = typelib;
2798 return stmt;
2799 }
2800
2801 static statement_t *make_statement_cppquote(const char *str)
2802 {
2803 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2804 stmt->u.str = str;
2805 return stmt;
2806 }
2807
2808 static statement_t *make_statement_importlib(const char *str)
2809 {
2810 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2811 stmt->u.str = str;
2812 return stmt;
2813 }
2814
2815 static statement_t *make_statement_import(const char *str)
2816 {
2817 statement_t *stmt = make_statement(STMT_IMPORT);
2818 stmt->u.str = str;
2819 return stmt;
2820 }
2821
2822 static statement_t *make_statement_module(type_t *type)
2823 {
2824 statement_t *stmt = make_statement(STMT_MODULE);
2825 stmt->u.type = type;
2826 return stmt;
2827 }
2828
2829 static statement_t *process_typedefs(declarator_list_t *decls)
2830 {
2831 declarator_t *decl, *next;
2832 statement_t *stmt;
2833 type_list_t **type_list;
2834
2835 if (!decls) return NULL;
2836
2837 stmt = make_statement(STMT_TYPEDEF);
2838 stmt->u.type_list = NULL;
2839 type_list = &stmt->u.type_list;
2840
2841 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2842 {
2843 var_t *var = decl->var;
2844 type_t *type = find_type(var->name, 0);
2845 *type_list = xmalloc(sizeof(type_list_t));
2846 (*type_list)->type = type;
2847 (*type_list)->next = NULL;
2848
2849 if (! parse_only && do_header)
2850 write_typedef(type);
2851 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2852 add_typelib_entry(type);
2853
2854 type_list = &(*type_list)->next;
2855 free(decl);
2856 free(var);
2857 }
2858
2859 return stmt;
2860 }
2861
2862 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2863 {
2864 if (!stmt) return list;
2865 if (!list)
2866 {
2867 list = xmalloc( sizeof(*list) );
2868 list_init( list );
2869 }
2870 list_add_tail( list, &stmt->entry );
2871 return list;
2872 }
2873
2874 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2875 {
2876 if (stmt->type == STMT_DECLARATION)
2877 {
2878 var_t *var = stmt->u.var;
2879 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2880 {
2881 check_function_attrs(var->name, var->type->attrs);
2882 return append_func(list, make_func(stmt->u.var));
2883 }
2884 }
2885 return list;
2886 }