68f969a6ed54a931aa79b959f1ef13644e5d8b20
[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 { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
878 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->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 if (is_attr(v->attrs, ATTR_V1ENUM))
1483 {
1484 if (v->type->type == RPC_FC_ENUM16)
1485 v->type->type = RPC_FC_ENUM32;
1486 else
1487 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1488 }
1489
1490 sizeless = FALSE;
1491 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1492 {
1493 if (sizeless)
1494 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1495
1496 if (dim->is_const)
1497 {
1498 unsigned int align = 0;
1499 size_t size = type_memsize(v->type, &align);
1500
1501 if (dim->cval <= 0)
1502 error_loc("%s: array dimension must be positive\n", v->name);
1503
1504 if (0xffffffffuL / size < (unsigned long) dim->cval)
1505 error_loc("%s: total array size is too large\n", v->name);
1506 else if (0xffffuL < size * dim->cval)
1507 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1508 else
1509 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1510 }
1511 else
1512 {
1513 sizeless = TRUE;
1514 v->type = make_type(RPC_FC_CARRAY, v->type);
1515 }
1516
1517 v->type->declarray = TRUE;
1518 v->type->dim = dim->cval;
1519 }
1520
1521 ptype = &v->type;
1522 has_varconf = FALSE;
1523 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1524 {
1525 if (dim->type != EXPR_VOID)
1526 {
1527 has_varconf = TRUE;
1528 atype = *ptype = duptype(*ptype, 0);
1529
1530 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1531 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1532
1533 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1534 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1535
1536 atype->type = RPC_FC_CARRAY;
1537 atype->size_is = dim;
1538 }
1539
1540 ptype = &(*ptype)->ref;
1541 if (*ptype == NULL)
1542 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1543 }
1544
1545 ptype = &v->type;
1546 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1547 {
1548 if (dim->type != EXPR_VOID)
1549 {
1550 has_varconf = TRUE;
1551 atype = *ptype = duptype(*ptype, 0);
1552
1553 if (atype->type == RPC_FC_SMFARRAY)
1554 atype->type = RPC_FC_SMVARRAY;
1555 else if (atype->type == RPC_FC_LGFARRAY)
1556 atype->type = RPC_FC_LGVARRAY;
1557 else if (atype->type == RPC_FC_CARRAY)
1558 atype->type = RPC_FC_CVARRAY;
1559 else
1560 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1561
1562 atype->length_is = dim;
1563 }
1564
1565 ptype = &(*ptype)->ref;
1566 if (*ptype == NULL)
1567 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1568 }
1569
1570 if (has_varconf && !last_array(v->type))
1571 {
1572 ptype = &v->type;
1573 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1574 {
1575 *ptype = duptype(*ptype, 0);
1576 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1577 }
1578 }
1579
1580 if (is_array(v->type))
1581 {
1582 const type_t *rt = v->type->ref;
1583 if (is_user_type(rt))
1584 v->type->type = RPC_FC_BOGUS_ARRAY;
1585 else
1586 switch (rt->type)
1587 {
1588 case RPC_FC_BOGUS_STRUCT:
1589 case RPC_FC_NON_ENCAPSULATED_UNION:
1590 case RPC_FC_ENCAPSULATED_UNION:
1591 case RPC_FC_ENUM16:
1592 v->type->type = RPC_FC_BOGUS_ARRAY;
1593 break;
1594 /* FC_RP should be above, but widl overuses these, and will break things. */
1595 case RPC_FC_UP:
1596 case RPC_FC_RP:
1597 if (rt->ref->type == RPC_FC_IP)
1598 v->type->type = RPC_FC_BOGUS_ARRAY;
1599 break;
1600 }
1601 }
1602
1603 /* v->type is currently pointing to the type on the left-side of the
1604 * declaration, so we need to fix this up so that it is the return type of the
1605 * function and make v->type point to the function side of the declaration */
1606 if (func_type)
1607 {
1608 type_t *ft, *t;
1609 type_t *return_type = v->type;
1610 v->type = func_type;
1611 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1612 ;
1613 assert(ft->type == RPC_FC_FUNCTION);
1614 ft->ref = return_type;
1615 /* move calling convention attribute, if present, from pointer nodes to
1616 * function node */
1617 for (t = v->type; is_ptr(t); t = t->ref)
1618 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1619 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1620 {
1621 static char *stdmethodcalltype;
1622 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1623 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1624 }
1625 }
1626 else
1627 {
1628 type_t *t;
1629 for (t = v->type; is_ptr(t); t = t->ref)
1630 if (is_attr(t->attrs, ATTR_CALLCONV))
1631 error_loc("calling convention applied to non-function-pointer type\n");
1632 }
1633 }
1634
1635 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1636 {
1637 declarator_t *decl, *next;
1638 var_list_t *var_list = NULL;
1639
1640 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1641 {
1642 var_t *var = decl->var;
1643
1644 var->attrs = attrs;
1645 set_type(var, decl_spec, decl, 0);
1646 var_list = append_var(var_list, var);
1647 free(decl);
1648 }
1649 return var_list;
1650 }
1651
1652 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1653 {
1654 if (!iface) return list;
1655 if (!list)
1656 {
1657 list = xmalloc( sizeof(*list) );
1658 list_init( list );
1659 }
1660 list_add_tail( list, &iface->entry );
1661 return list;
1662 }
1663
1664 static ifref_t *make_ifref(type_t *iface)
1665 {
1666 ifref_t *l = xmalloc(sizeof(ifref_t));
1667 l->iface = iface;
1668 l->attrs = NULL;
1669 return l;
1670 }
1671
1672 static var_list_t *append_var(var_list_t *list, var_t *var)
1673 {
1674 if (!var) return list;
1675 if (!list)
1676 {
1677 list = xmalloc( sizeof(*list) );
1678 list_init( list );
1679 }
1680 list_add_tail( list, &var->entry );
1681 return list;
1682 }
1683
1684 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1685 {
1686 if (!vars) return list;
1687 if (!list)
1688 {
1689 list = xmalloc( sizeof(*list) );
1690 list_init( list );
1691 }
1692 list_move_tail( list, vars );
1693 return list;
1694 }
1695
1696 static var_t *make_var(char *name)
1697 {
1698 var_t *v = xmalloc(sizeof(var_t));
1699 v->name = name;
1700 v->type = NULL;
1701 v->attrs = NULL;
1702 v->eval = NULL;
1703 v->stgclass = STG_NONE;
1704 v->loc_info.input_name = input_name ? input_name : "stdin";
1705 v->loc_info.line_number = line_number;
1706 v->loc_info.near_text = parser_text;
1707 return v;
1708 }
1709
1710 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1711 {
1712 if (!d) return list;
1713 if (!list) {
1714 list = xmalloc(sizeof(*list));
1715 list_init(list);
1716 }
1717 list_add_tail(list, &d->entry);
1718 return list;
1719 }
1720
1721 static declarator_t *make_declarator(var_t *var)
1722 {
1723 declarator_t *d = xmalloc(sizeof(*d));
1724 d->var = var;
1725 d->type = NULL;
1726 d->func_type = NULL;
1727 d->array = NULL;
1728 return d;
1729 }
1730
1731 static func_list_t *append_func(func_list_t *list, func_t *func)
1732 {
1733 if (!func) return list;
1734 if (!list)
1735 {
1736 list = xmalloc( sizeof(*list) );
1737 list_init( list );
1738 }
1739 list_add_tail( list, &func->entry );
1740 return list;
1741 }
1742
1743 static func_t *make_func(var_t *def)
1744 {
1745 func_t *f = xmalloc(sizeof(func_t));
1746 f->def = def;
1747 f->args = def->type->fields_or_args;
1748 f->ignore = parse_only;
1749 f->idx = -1;
1750 return f;
1751 }
1752
1753 static type_t *make_class(char *name)
1754 {
1755 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1756 c->name = name;
1757 c->kind = TKIND_COCLASS;
1758 return c;
1759 }
1760
1761 static type_t *make_safearray(type_t *type)
1762 {
1763 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1764 sa->ref = type;
1765 return make_type(pointer_default, sa);
1766 }
1767
1768 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1769 {
1770 typelib_t *typelib = xmalloc(sizeof(*typelib));
1771 typelib->name = xstrdup(name);
1772 typelib->filename = NULL;
1773 typelib->attrs = attrs;
1774 list_init( &typelib->entries );
1775 list_init( &typelib->importlibs );
1776 return typelib;
1777 }
1778
1779 #define HASHMAX 64
1780
1781 static int hash_ident(const char *name)
1782 {
1783 const char *p = name;
1784 int sum = 0;
1785 /* a simple sum hash is probably good enough */
1786 while (*p) {
1787 sum += *p;
1788 p++;
1789 }
1790 return sum & (HASHMAX-1);
1791 }
1792
1793 /***** type repository *****/
1794
1795 struct rtype {
1796 const char *name;
1797 type_t *type;
1798 int t;
1799 struct rtype *next;
1800 };
1801
1802 struct rtype *type_hash[HASHMAX];
1803
1804 static type_t *reg_type(type_t *type, const char *name, int t)
1805 {
1806 struct rtype *nt;
1807 int hash;
1808 if (!name) {
1809 error_loc("registering named type without name\n");
1810 return type;
1811 }
1812 hash = hash_ident(name);
1813 nt = xmalloc(sizeof(struct rtype));
1814 nt->name = name;
1815 nt->type = type;
1816 nt->t = t;
1817 nt->next = type_hash[hash];
1818 type_hash[hash] = nt;
1819 return type;
1820 }
1821
1822 static int is_incomplete(const type_t *t)
1823 {
1824 return !t->defined && (is_struct(t->type) || is_union(t->type));
1825 }
1826
1827 static void add_incomplete(type_t *t)
1828 {
1829 struct typenode *tn = xmalloc(sizeof *tn);
1830 tn->type = t;
1831 list_add_tail(&incomplete_types, &tn->entry);
1832 }
1833
1834 static void fix_type(type_t *t)
1835 {
1836 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1837 type_t *ot = t->orig;
1838 fix_type(ot);
1839 t->fields_or_args = ot->fields_or_args;
1840 t->defined = ot->defined;
1841 }
1842 }
1843
1844 static void fix_incomplete(void)
1845 {
1846 struct typenode *tn, *next;
1847
1848 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1849 fix_type(tn->type);
1850 free(tn);
1851 }
1852 }
1853
1854 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1855 {
1856 const declarator_t *decl;
1857 int is_str = is_attr(attrs, ATTR_STRING);
1858 type_t *type = decl_spec->type;
1859
1860 if (is_str)
1861 {
1862 type_t *t = decl_spec->type;
1863 unsigned char c;
1864
1865 while (is_ptr(t))
1866 t = t->ref;
1867
1868 c = t->type;
1869 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1870 {
1871 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1872 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1873 decl->var->name);
1874 }
1875 }
1876
1877 /* We must generate names for tagless enum, struct or union.
1878 Typedef-ing a tagless enum, struct or union means we want the typedef
1879 to be included in a library hence the public attribute. */
1880 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1881 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1882 {
1883 if (! is_attr(attrs, ATTR_PUBLIC))
1884 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1885 type->name = gen_name();
1886 }
1887 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1888 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1889
1890 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1891 {
1892 var_t *name = decl->var;
1893
1894 if (name->name) {
1895 type_t *cur;
1896
1897 /* set the attributes to allow set_type to do some checks on them */
1898 name->attrs = attrs;
1899 set_type(name, decl_spec, decl, 0);
1900 cur = alias(name->type, name->name);
1901 cur->attrs = attrs;
1902
1903 if (is_incomplete(cur))
1904 add_incomplete(cur);
1905 reg_type(cur, cur->name, 0);
1906 }
1907 }
1908 return type;
1909 }
1910
1911 static type_t *find_type_helper(const char *name, int t)
1912 {
1913 struct rtype *cur = type_hash[hash_ident(name)];
1914 while (cur && (cur->t != t || strcmp(cur->name, name)))
1915 cur = cur->next;
1916 return cur ? cur->type : NULL;
1917 }
1918
1919 type_t *find_type(const char *name, int t)
1920 {
1921 type_t *type = find_type_helper(name, t);
1922 if (!type) {
1923 error_loc("type '%s' not found\n", name);
1924 return NULL;
1925 }
1926 return type;
1927 }
1928
1929 static type_t *find_type2(char *name, int t)
1930 {
1931 type_t *tp = find_type(name, t);
1932 free(name);
1933 return tp;
1934 }
1935
1936 int is_type(const char *name)
1937 {
1938 return find_type_helper(name, 0) != NULL;
1939 }
1940
1941 static type_t *get_type(unsigned char type, char *name, int t)
1942 {
1943 type_t *tp;
1944 if (name) {
1945 tp = find_type_helper(name, t);
1946 if (tp) {
1947 free(name);
1948 return tp;
1949 }
1950 }
1951 tp = make_type(type, NULL);
1952 tp->name = name;
1953 if (!name) return tp;
1954 return reg_type(tp, name, t);
1955 }
1956
1957 static type_t *get_typev(unsigned char type, var_t *name, int t)
1958 {
1959 char *sname = NULL;
1960 if (name) {
1961 sname = name->name;
1962 free(name);
1963 }
1964 return get_type(type, sname, t);
1965 }
1966
1967 static int get_struct_type(var_list_t *fields)
1968 {
1969 int has_pointer = 0;
1970 int has_conformance = 0;
1971 int has_variance = 0;
1972 var_t *field;
1973
1974 if (get_padding(fields))
1975 return RPC_FC_BOGUS_STRUCT;
1976
1977 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1978 {
1979 type_t *t = field->type;
1980
1981 if (is_user_type(t))
1982 return RPC_FC_BOGUS_STRUCT;
1983
1984 if (is_ptr(t))
1985 {
1986 do
1987 t = t->ref;
1988 while (is_ptr(t));
1989
1990 switch (t->type)
1991 {
1992 case RPC_FC_IP:
1993 case RPC_FC_ENCAPSULATED_UNION:
1994 case RPC_FC_NON_ENCAPSULATED_UNION:
1995 case RPC_FC_BOGUS_STRUCT:
1996 return RPC_FC_BOGUS_STRUCT;
1997 }
1998
1999 has_pointer = 1;
2000 continue;
2001 }
2002
2003 if (field->type->declarray)
2004 {
2005 if (is_string_type(field->attrs, field->type))
2006 {
2007 if (is_conformant_array(field->type))
2008 has_conformance = 1;
2009 has_variance = 1;
2010 continue;
2011 }
2012
2013 if (is_array(field->type->ref))
2014 return RPC_FC_BOGUS_STRUCT;
2015
2016 if (is_conformant_array(field->type))
2017 {
2018 has_conformance = 1;
2019 if (field->type->declarray && list_next(fields, &field->entry))
2020 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2021 field->name);
2022 }
2023 if (field->type->length_is)
2024 has_variance = 1;
2025
2026 t = field->type->ref;
2027 }
2028
2029 switch (t->type)
2030 {
2031 /*
2032 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
2033 * Simple types don't effect the type of struct.
2034 * A struct containing a simple struct is still a simple struct.
2035 * So long as we can block copy the data, we return RPC_FC_STRUCT.
2036 */
2037 case 0: /* void pointer */
2038 case RPC_FC_BYTE:
2039 case RPC_FC_CHAR:
2040 case RPC_FC_SMALL:
2041 case RPC_FC_USMALL:
2042 case RPC_FC_WCHAR:
2043 case RPC_FC_SHORT:
2044 case RPC_FC_USHORT:
2045 case RPC_FC_LONG:
2046 case RPC_FC_ULONG:
2047 case RPC_FC_INT3264:
2048 case RPC_FC_UINT3264:
2049 case RPC_FC_HYPER:
2050 case RPC_FC_FLOAT:
2051 case RPC_FC_DOUBLE:
2052 case RPC_FC_STRUCT:
2053 case RPC_FC_ENUM32:
2054 break;
2055
2056 case RPC_FC_RP:
2057 case RPC_FC_UP:
2058 case RPC_FC_FP:
2059 case RPC_FC_OP:
2060 case RPC_FC_CARRAY:
2061 case RPC_FC_CVARRAY:
2062 case RPC_FC_BOGUS_ARRAY:
2063 has_pointer = 1;
2064 break;
2065
2066 /*
2067 * Propagate member attributes
2068 * a struct should be at least as complex as its member
2069 */
2070 case RPC_FC_CVSTRUCT:
2071 has_conformance = 1;
2072 has_variance = 1;
2073 has_pointer = 1;
2074 break;
2075
2076 case RPC_FC_CPSTRUCT:
2077 has_conformance = 1;
2078 if (list_next( fields, &field->entry ))
2079 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2080 field->name);
2081 has_pointer = 1;
2082 break;
2083
2084 case RPC_FC_CSTRUCT:
2085 has_conformance = 1;
2086 if (list_next( fields, &field->entry ))
2087 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2088 field->name);
2089 break;
2090
2091 case RPC_FC_PSTRUCT:
2092 has_pointer = 1;
2093 break;
2094
2095 default:
2096 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2097 /* fallthru - treat it as complex */
2098
2099 /* as soon as we see one of these these members, it's bogus... */
2100 case RPC_FC_ENCAPSULATED_UNION:
2101 case RPC_FC_NON_ENCAPSULATED_UNION:
2102 case RPC_FC_BOGUS_STRUCT:
2103 case RPC_FC_ENUM16:
2104 return RPC_FC_BOGUS_STRUCT;
2105 }
2106 }
2107
2108 if( has_variance )
2109 {
2110 if ( has_conformance )
2111 return RPC_FC_CVSTRUCT;
2112 else
2113 return RPC_FC_BOGUS_STRUCT;
2114 }
2115 if( has_conformance && has_pointer )
2116 return RPC_FC_CPSTRUCT;
2117 if( has_conformance )
2118 return RPC_FC_CSTRUCT;
2119 if( has_pointer )
2120 return RPC_FC_PSTRUCT;
2121 return RPC_FC_STRUCT;
2122 }
2123
2124 /***** constant repository *****/
2125
2126 struct rconst {
2127 char *name;
2128 var_t *var;
2129 struct rconst *next;
2130 };
2131
2132 struct rconst *const_hash[HASHMAX];
2133
2134 static var_t *reg_const(var_t *var)
2135 {
2136 struct rconst *nc;
2137 int hash;
2138 if (!var->name) {
2139 error_loc("registering constant without name\n");
2140 return var;
2141 }
2142 hash = hash_ident(var->name);
2143 nc = xmalloc(sizeof(struct rconst));
2144 nc->name = var->name;
2145 nc->var = var;
2146 nc->next = const_hash[hash];
2147 const_hash[hash] = nc;
2148 return var;
2149 }
2150
2151 var_t *find_const(const char *name, int f)
2152 {
2153 struct rconst *cur = const_hash[hash_ident(name)];
2154 while (cur && strcmp(cur->name, name))
2155 cur = cur->next;
2156 if (!cur) {
2157 if (f) error_loc("constant '%s' not found\n", name);
2158 return NULL;
2159 }
2160 return cur->var;
2161 }
2162
2163 static void write_libid(const typelib_t *typelib)
2164 {
2165 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2166 write_guid(idfile, "LIBID", typelib->name, uuid);
2167 }
2168
2169 static void write_clsid(type_t *cls)
2170 {
2171 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2172 write_guid(idfile, "CLSID", cls->name, uuid);
2173 }
2174
2175 static void write_diid(type_t *iface)
2176 {
2177 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2178 write_guid(idfile, "DIID", iface->name, uuid);
2179 }
2180
2181 static void write_iid(type_t *iface)
2182 {
2183 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2184 write_guid(idfile, "IID", iface->name, uuid);
2185 }
2186
2187 static int compute_method_indexes(type_t *iface)
2188 {
2189 int idx;
2190 func_t *f;
2191
2192 if (iface->ref)
2193 idx = compute_method_indexes(iface->ref);
2194 else
2195 idx = 0;
2196
2197 if (!iface->funcs)
2198 return idx;
2199
2200 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2201 if (! is_callas(f->def->attrs))
2202 f->idx = idx++;
2203
2204 return idx;
2205 }
2206
2207 static char *gen_name(void)
2208 {
2209 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2210 static unsigned long n = 0;
2211 static const char *file_id;
2212 static size_t size;
2213 char *name;
2214
2215 if (! file_id)
2216 {
2217 char *dst = dup_basename(input_name, ".idl");
2218 file_id = dst;
2219
2220 for (; *dst; ++dst)
2221 if (! isalnum((unsigned char) *dst))
2222 *dst = '_';
2223
2224 size = sizeof format - 7 + strlen(file_id) + 8;
2225 }
2226
2227 name = xmalloc(size);
2228 sprintf(name, format, file_id, n++);
2229 return name;
2230 }
2231
2232 struct allowed_attr
2233 {
2234 unsigned int dce_compatible : 1;
2235 unsigned int acf : 1;
2236 unsigned int on_interface : 1;
2237 unsigned int on_function : 1;
2238 unsigned int on_arg : 1;
2239 unsigned int on_type : 1;
2240 unsigned int on_field : 1;
2241 unsigned int on_library : 1;
2242 unsigned int on_dispinterface : 1;
2243 unsigned int on_module : 1;
2244 unsigned int on_coclass : 1;
2245 const char *display_name;
2246 };
2247
2248 struct allowed_attr allowed_attr[] =
2249 {
2250 /* attr { D ACF I Fn ARG T Fi L DI M C <display name> } */
2251 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2252 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2253 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, "async" },
2254 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2255 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2256 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2257 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2258 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, NULL },
2259 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2260 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2261 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "context_handle" },
2262 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2263 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2264 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2265 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2266 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2267 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2268 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2269 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2270 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2271 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2272 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "entry" },
2273 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2274 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "handle" },
2275 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpcontext" },
2276 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2277 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstring" },
2278 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstringcontext" },
2279 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2280 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2281 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, "id" },
2282 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2283 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "iid_is" },
2284 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2285 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2286 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "in" },
2287 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2288 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2289 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "length_is" },
2290 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2291 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "local" },
2292 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2293 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2294 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2295 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2296 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2297 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2298 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "optional" },
2299 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "out" },
2300 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2301 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2302 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propget" },
2303 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propput" },
2304 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2305 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "public" },
2306 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "range" },
2307 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "readonly" },
2308 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2309 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, "restricted" },
2310 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "retval" },
2311 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "size_is" },
2312 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, "source" },
2313 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2314 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, "string" },
2315 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "switch_is" },
2316 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, "switch_type" },
2317 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "transmit_as" },
2318 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, "uuid" },
2319 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "v1_enum" },
2320 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2321 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2322 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "wire_marshal" },
2323 };
2324
2325 const char *get_attr_display_name(enum attr_type type)
2326 {
2327 return allowed_attr[type].display_name;
2328 }
2329
2330 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2331 {
2332 const attr_t *attr;
2333 if (!attrs) return attrs;
2334 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2335 {
2336 if (!allowed_attr[attr->type].on_interface)
2337 error_loc("inapplicable attribute %s for interface %s\n",
2338 allowed_attr[attr->type].display_name, name);
2339 }
2340 return attrs;
2341 }
2342
2343 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2344 {
2345 const attr_t *attr;
2346 if (!attrs) return attrs;
2347 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2348 {
2349 if (!allowed_attr[attr->type].on_function)
2350 error_loc("inapplicable attribute %s for function %s\n",
2351 allowed_attr[attr->type].display_name, name);
2352 }
2353 return attrs;
2354 }
2355
2356 static void check_arg(var_t *arg)
2357 {
2358 const type_t *t = arg->type;
2359 const attr_t *attr;
2360
2361 if (t->type == 0 && ! is_var_ptr(arg))
2362 error_loc("argument '%s' has void type\n", arg->name);
2363
2364 if (arg->attrs)
2365 {
2366 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2367 {
2368 if (!allowed_attr[attr->type].on_arg)
2369 error_loc("inapplicable attribute %s for argument %s\n",
2370 allowed_attr[attr->type].display_name, arg->name);
2371 }
2372 }
2373 }
2374
2375 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2376 {
2377 const attr_t *attr;
2378 if (!attrs) return attrs;
2379 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2380 {
2381 if (!allowed_attr[attr->type].on_type)
2382 error_loc("inapplicable attribute %s for typedef\n",
2383 allowed_attr[attr->type].display_name);
2384 }
2385 return attrs;
2386 }
2387
2388 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2389 {
2390 const attr_t *attr;
2391 if (!attrs) return attrs;
2392 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2393 {
2394 if (!allowed_attr[attr->type].on_field)
2395 error_loc("inapplicable attribute %s for field %s\n",
2396 allowed_attr[attr->type].display_name, name);
2397 }
2398 return attrs;
2399 }
2400
2401 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2402 {
2403 const attr_t *attr;
2404 if (!attrs) return attrs;
2405 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2406 {
2407 if (!allowed_attr[attr->type].on_library)
2408 error_loc("inapplicable attribute %s for library %s\n",
2409 allowed_attr[attr->type].display_name, name);
2410 }
2411 return attrs;
2412 }
2413
2414 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2415 {
2416 const attr_t *attr;
2417 if (!attrs) return attrs;
2418 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2419 {
2420 if (!allowed_attr[attr->type].on_dispinterface)
2421 error_loc("inapplicable attribute %s for dispinterface %s\n",
2422 allowed_attr[attr->type].display_name, name);
2423 }
2424 return attrs;
2425 }
2426
2427 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2428 {
2429 const attr_t *attr;
2430 if (!attrs) return attrs;
2431 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2432 {
2433 if (!allowed_attr[attr->type].on_module)
2434 error_loc("inapplicable attribute %s for module %s\n",
2435 allowed_attr[attr->type].display_name, name);
2436 }
2437 return attrs;
2438 }
2439
2440 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2441 {
2442 const attr_t *attr;
2443 if (!attrs) return attrs;
2444 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2445 {
2446 if (!allowed_attr[attr->type].on_coclass)
2447 error_loc("inapplicable attribute %s for coclass %s\n",
2448 allowed_attr[attr->type].display_name, name);
2449 }
2450 return attrs;
2451 }
2452
2453 static int is_allowed_conf_type(const type_t *type)
2454 {
2455 switch (type->type)
2456 {
2457 case RPC_FC_CHAR:
2458 case RPC_FC_SMALL:
2459 case RPC_FC_BYTE:
2460 case RPC_FC_USMALL:
2461 case RPC_FC_WCHAR:
2462 case RPC_FC_SHORT:
2463 case RPC_FC_ENUM16:
2464 case RPC_FC_USHORT:
2465 case RPC_FC_LONG:
2466 case RPC_FC_ENUM32:
2467 case RPC_FC_ULONG:
2468 return TRUE;
2469 default:
2470 return FALSE;
2471 }
2472 }
2473
2474 static int is_ptr_guid_type(const type_t *type)
2475 {
2476 unsigned int align = 0;
2477 for (;;)
2478 {
2479 if (type->kind == TKIND_ALIAS)
2480 type = type->orig;
2481 else if (is_ptr(type))
2482 {
2483 type = type->ref;
2484 break;
2485 }
2486 else
2487 return FALSE;
2488 }
2489 return (type_memsize(type, &align) == 16);
2490 }
2491
2492 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2493 {
2494 expr_t *dim;
2495 struct expr_loc expr_loc;
2496 expr_loc.v = arg;
2497 expr_loc.attr = attr_name;
2498 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2499 {
2500 if (dim->type != EXPR_VOID)
2501 {
2502 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2503 if (!is_allowed_conf_type(expr_type))
2504 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2505 attr_name);
2506 }
2507 }
2508 }
2509
2510 static void check_remoting_fields(const var_t *var, type_t *type);
2511
2512 /* checks that properties common to fields and arguments are consistent */
2513 static void check_field_common(const type_t *container_type,
2514 const char *container_name, const var_t *arg)
2515 {
2516 type_t *type = arg->type;
2517 int is_wire_marshal = 0;
2518 int is_context_handle = 0;
2519 const char *container_type_name = NULL;
2520
2521 if (is_struct(container_type->type))
2522 container_type_name = "struct";
2523 else if (is_union(container_type->type))
2524 container_type_name = "union";
2525 else if (container_type->type == RPC_FC_FUNCTION)
2526 container_type_name = "function";
2527
2528 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2529 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2530 error_loc_info(&arg->loc_info,
2531 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2532 arg->name);
2533
2534 if (is_attr(arg->attrs, ATTR_SIZEIS))
2535 {
2536 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2537 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2538 }
2539 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2540 {
2541 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2542 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2543 }
2544 if (is_attr(arg->attrs, ATTR_IIDIS))
2545 {
2546 struct expr_loc expr_loc;
2547 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2548 if (expr->type != EXPR_VOID)
2549 {
2550 const type_t *expr_type;
2551 expr_loc.v = arg;
2552 expr_loc.attr = "iid_is";
2553 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2554 if (!expr_type || !is_ptr_guid_type(expr_type))
2555 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2556 }
2557 }
2558 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2559 {
2560 struct expr_loc expr_loc;
2561 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2562 if (expr->type != EXPR_VOID)
2563 {
2564 const type_t *expr_type;
2565 expr_loc.v = arg;
2566 expr_loc.attr = "switch_is";
2567 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2568 if (!expr_type || !is_allowed_conf_type(expr_type))
2569 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2570 expr_loc.attr);
2571 }
2572 }
2573
2574 /* get fundamental type for the argument */
2575 for (;;)
2576 {
2577 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2578 {
2579 is_wire_marshal = 1;
2580 break;
2581 }
2582 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2583 {
2584 is_context_handle = 1;
2585 break;
2586 }
2587 if (type->kind == TKIND_ALIAS)
2588 type = type->orig;
2589 else if (is_ptr(type) || is_array(type))
2590 type = type->ref;
2591 else
2592 break;
2593 }
2594
2595 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2596 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2597 else if (type->type == RPC_FC_FUNCTION)
2598 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2599 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2600 check_remoting_fields(arg, type);
2601 }
2602
2603 static void check_remoting_fields(const var_t *var, type_t *type)
2604 {
2605 const var_t *field;
2606 const var_list_t *fields = NULL;
2607
2608 if (type->checked)
2609 return;
2610
2611 type->checked = TRUE;
2612
2613 if (is_struct(type->type))
2614 {
2615 if (type->defined)
2616 fields = type->fields_or_args;
2617 else
2618 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2619 }
2620 else if (is_union(type->type))
2621 {
2622 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2623 {
2624 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2625 fields = uv->type->fields_or_args;
2626 }
2627 else
2628 fields = type->fields_or_args;
2629 }
2630
2631 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2632 if (field->type) check_field_common(type, type->name, field);
2633 }
2634
2635 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2636 static void check_remoting_args(const func_t *func)
2637 {
2638 const char *funcname = func->def->name;
2639 const var_t *arg;
2640
2641 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2642 {
2643 int ptr_level = 0;
2644 const type_t *type = arg->type;
2645
2646 /* get pointer level and fundamental type for the argument */
2647 for (;;)
2648 {
2649 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2650 break;
2651 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2652 break;
2653 if (type->kind == TKIND_ALIAS)
2654 type = type->orig;
2655 else if (is_ptr(type))
2656 {
2657 ptr_level++;
2658 type = type->ref;
2659 }
2660 else
2661 break;
2662 }
2663
2664 /* check that [out] parameters have enough pointer levels */
2665 if (is_attr(arg->attrs, ATTR_OUT))
2666 {
2667 if (!is_array(type))
2668 {
2669 if (!ptr_level)
2670 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2671 if (type->type == RPC_FC_IP && ptr_level == 1)
2672 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2673 }
2674 }
2675
2676 check_field_common(func->def->type, funcname, arg);
2677 }
2678 }
2679
2680 static void add_explicit_handle_if_necessary(func_t *func)
2681 {
2682 const var_t* explicit_handle_var;
2683 const var_t* explicit_generic_handle_var = NULL;
2684 const var_t* context_handle_var = NULL;
2685
2686 /* check for a defined binding handle */
2687 explicit_handle_var = get_explicit_handle_var(func);
2688 if (!explicit_handle_var)
2689 {
2690 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2691 if (!explicit_generic_handle_var)
2692 {
2693 context_handle_var = get_context_handle_var(func);
2694 if (!context_handle_var)
2695 {
2696 /* no explicit handle specified so add
2697 * "[in] handle_t IDL_handle" as the first parameter to the
2698 * function */
2699 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2700 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2701 idl_handle->type = find_type("handle_t", 0);
2702 if (!func->def->type->fields_or_args)
2703 {
2704 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2705 list_init( func->def->type->fields_or_args );
2706 }
2707 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2708 func->args = func->def->type->fields_or_args;
2709 }
2710 }
2711 }
2712 }
2713
2714 static void check_functions(const type_t *iface)
2715 {
2716 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2717 {
2718 func_t *func;
2719 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2720 add_explicit_handle_if_necessary(func);
2721 }
2722 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2723 {
2724 const func_t *func;
2725 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2726 {
2727 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2728 check_remoting_args(func);
2729 }
2730 }
2731 }
2732
2733 static void check_all_user_types(const statement_list_t *stmts)
2734 {
2735 const statement_t *stmt;
2736
2737 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2738 {
2739 if (stmt->type == STMT_LIBRARY)
2740 check_all_user_types(stmt->u.lib->stmts);
2741 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2742 {
2743 const func_t *f;
2744 const func_list_t *fs = stmt->u.type->funcs;
2745 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2746 check_for_additional_prototype_types(f->args);
2747 }
2748 }
2749 }
2750
2751 int is_valid_uuid(const char *s)
2752 {
2753 int i;
2754
2755 for (i = 0; i < 36; ++i)
2756 if (i == 8 || i == 13 || i == 18 || i == 23)
2757 {
2758 if (s[i] != '-')
2759 return FALSE;
2760 }
2761 else
2762 if (!isxdigit(s[i]))
2763 return FALSE;
2764
2765 return s[i] == '\0';
2766 }
2767
2768 static statement_t *make_statement(enum statement_type type)
2769 {
2770 statement_t *stmt = xmalloc(sizeof(*stmt));
2771 stmt->type = type;
2772 return stmt;
2773 }
2774
2775 static statement_t *make_statement_type_decl(type_t *type)
2776 {
2777 statement_t *stmt = make_statement(STMT_TYPE);
2778 stmt->u.type = type;
2779 return stmt;
2780 }
2781
2782 static statement_t *make_statement_reference(type_t *type)
2783 {
2784 statement_t *stmt = make_statement(STMT_TYPEREF);
2785 stmt->u.type = type;
2786 return stmt;
2787 }
2788
2789 static statement_t *make_statement_declaration(var_t *var)
2790 {
2791 statement_t *stmt = make_statement(STMT_DECLARATION);
2792 stmt->u.var = var;
2793 if (var->stgclass == STG_EXTERN && var->eval)
2794 warning("'%s' initialised and declared extern\n", var->name);
2795 if (is_const_decl(var))
2796 {
2797 if (var->eval)
2798 reg_const(var);
2799 }
2800 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2801 var->type->type != RPC_FC_FUNCTION)
2802 error_loc("instantiation of data is illegal\n");
2803 return stmt;
2804 }
2805
2806 static statement_t *make_statement_library(typelib_t *typelib)
2807 {
2808 statement_t *stmt = make_statement(STMT_LIBRARY);
2809 stmt->u.lib = typelib;
2810 return stmt;
2811 }
2812
2813 static statement_t *make_statement_cppquote(const char *str)
2814 {
2815 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2816 stmt->u.str = str;
2817 return stmt;
2818 }
2819
2820 static statement_t *make_statement_importlib(const char *str)
2821 {
2822 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2823 stmt->u.str = str;
2824 return stmt;
2825 }
2826
2827 static statement_t *make_statement_import(const char *str)
2828 {
2829 statement_t *stmt = make_statement(STMT_IMPORT);
2830 stmt->u.str = str;
2831 return stmt;
2832 }
2833
2834 static statement_t *make_statement_module(type_t *type)
2835 {
2836 statement_t *stmt = make_statement(STMT_MODULE);
2837 stmt->u.type = type;
2838 return stmt;
2839 }
2840
2841 static statement_t *process_typedefs(declarator_list_t *decls)
2842 {
2843 declarator_t *decl, *next;
2844 statement_t *stmt;
2845 type_list_t **type_list;
2846
2847 if (!decls) return NULL;
2848
2849 stmt = make_statement(STMT_TYPEDEF);
2850 stmt->u.type_list = NULL;
2851 type_list = &stmt->u.type_list;
2852
2853 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2854 {
2855 var_t *var = decl->var;
2856 type_t *type = find_type(var->name, 0);
2857 *type_list = xmalloc(sizeof(type_list_t));
2858 (*type_list)->type = type;
2859 (*type_list)->next = NULL;
2860
2861 if (! parse_only && do_header)
2862 write_typedef(type);
2863 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2864 add_typelib_entry(type);
2865
2866 type_list = &(*type_list)->next;
2867 free(decl);
2868 free(var);
2869 }
2870
2871 return stmt;
2872 }
2873
2874 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2875 {
2876 if (!stmt) return list;
2877 if (!list)
2878 {
2879 list = xmalloc( sizeof(*list) );
2880 list_init( list );
2881 }
2882 list_add_tail( list, &stmt->entry );
2883 return list;
2884 }
2885
2886 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2887 {
2888 if (stmt->type == STMT_DECLARATION)
2889 {
2890 var_t *var = stmt->u.var;
2891 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2892 {
2893 check_function_attrs(var->name, var->type->attrs);
2894 return append_func(list, make_func(stmt->u.var));
2895 }
2896 }
2897 return list;
2898 }