Sync to wine-1.1.1:
[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_type_or_error(const char *name, int t);
132 static type_t *find_type_or_error2(char *name, int t);
133 static type_t *get_type(unsigned char type, char *name, int t);
134 static type_t *get_typev(unsigned char type, var_t *name, int t);
135 static int get_struct_type(var_list_t *fields);
136
137 static var_t *reg_const(var_t *var);
138
139 static void write_libid(const typelib_t *typelib);
140 static void write_clsid(type_t *cls);
141 static void write_diid(type_t *iface);
142 static void write_iid(type_t *iface);
143
144 static int compute_method_indexes(type_t *iface);
145 static char *gen_name(void);
146 static statement_t *process_typedefs(var_list_t *names);
147 static void check_arg(var_t *arg);
148 static void check_functions(const type_t *iface);
149 static void check_all_user_types(const statement_list_t *stmts);
150 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
152 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
153 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
154 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
155 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
156 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
157 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
158 const char *get_attr_display_name(enum attr_type type);
159 static void add_explicit_handle_if_necessary(func_t *func);
160 static void check_def(const type_t *t);
161
162 static statement_t *make_statement(enum statement_type type);
163 static statement_t *make_statement_type_decl(type_t *type);
164 static statement_t *make_statement_reference(type_t *type);
165 static statement_t *make_statement_declaration(var_t *var);
166 static statement_t *make_statement_library(typelib_t *typelib);
167 static statement_t *make_statement_cppquote(const char *str);
168 static statement_t *make_statement_importlib(const char *str);
169 static statement_t *make_statement_module(type_t *type);
170 static statement_t *make_statement_import(const char *str);
171 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
172 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt);
173
174 #define tsENUM 1
175 #define tsSTRUCT 2
176 #define tsUNION 3
177
178 %}
179 %union {
180 attr_t *attr;
181 attr_list_t *attr_list;
182 str_list_t *str_list;
183 expr_t *expr;
184 expr_list_t *expr_list;
185 array_dims_t *array_dims;
186 type_t *type;
187 var_t *var;
188 var_list_t *var_list;
189 declarator_t *declarator;
190 declarator_list_t *declarator_list;
191 func_t *func;
192 func_list_t *func_list;
193 statement_t *statement;
194 statement_list_t *stmt_list;
195 ifref_t *ifref;
196 ifref_list_t *ifref_list;
197 char *str;
198 UUID *uuid;
199 unsigned int num;
200 double dbl;
201 interface_info_t ifinfo;
202 typelib_t *typelib;
203 struct _import_t *import;
204 struct _decl_spec_t *declspec;
205 enum storage_class stgclass;
206 }
207
208 %token <str> aIDENTIFIER
209 %token <str> aKNOWNTYPE
210 %token <num> aNUM aHEXNUM
211 %token <dbl> aDOUBLE
212 %token <str> aSTRING aWSTRING
213 %token <uuid> aUUID
214 %token aEOF
215 %token SHL SHR
216 %token MEMBERPTR
217 %token EQUALITY INEQUALITY
218 %token GREATEREQUAL LESSEQUAL
219 %token LOGICALOR LOGICALAND
220 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
221 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
222 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
223 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
224 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
225 %token tDEFAULT
226 %token tDEFAULTCOLLELEM
227 %token tDEFAULTVALUE
228 %token tDEFAULTVTABLE
229 %token tDISPLAYBIND
230 %token tDISPINTERFACE
231 %token tDLLNAME tDOUBLE tDUAL
232 %token tENDPOINT
233 %token tENTRY tENUM tERRORSTATUST
234 %token tEXPLICITHANDLE tEXTERN
235 %token tFALSE
236 %token tFASTCALL
237 %token tFLOAT
238 %token tHANDLE
239 %token tHANDLET
240 %token tHELPCONTEXT tHELPFILE
241 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
242 %token tHIDDEN
243 %token tHYPER tID tIDEMPOTENT
244 %token tIIDIS
245 %token tIMMEDIATEBIND
246 %token tIMPLICITHANDLE
247 %token tIMPORT tIMPORTLIB
248 %token tIN tIN_LINE tINLINE
249 %token tINPUTSYNC
250 %token tINT tINT64
251 %token tINTERFACE
252 %token tLCID
253 %token tLENGTHIS tLIBRARY
254 %token tLOCAL
255 %token tLONG
256 %token tMETHODS
257 %token tMODULE
258 %token tNONBROWSABLE
259 %token tNONCREATABLE
260 %token tNONEXTENSIBLE
261 %token tNULL
262 %token tOBJECT tODL tOLEAUTOMATION
263 %token tOPTIONAL
264 %token tOUT
265 %token tPASCAL
266 %token tPOINTERDEFAULT
267 %token tPROPERTIES
268 %token tPROPGET tPROPPUT tPROPPUTREF
269 %token tPTR
270 %token tPUBLIC
271 %token tRANGE
272 %token tREADONLY tREF
273 %token tREGISTER
274 %token tREQUESTEDIT
275 %token tRESTRICTED
276 %token tRETVAL
277 %token tSAFEARRAY
278 %token tSHORT
279 %token tSIGNED
280 %token tSINGLE
281 %token tSIZEIS tSIZEOF
282 %token tSMALL
283 %token tSOURCE
284 %token tSTATIC
285 %token tSTDCALL
286 %token tSTRICTCONTEXTHANDLE
287 %token tSTRING tSTRUCT
288 %token tSWITCH tSWITCHIS tSWITCHTYPE
289 %token tTRANSMITAS
290 %token tTRUE
291 %token tTYPEDEF
292 %token tUNION
293 %token tUNIQUE
294 %token tUNSIGNED
295 %token tUUID
296 %token tV1ENUM
297 %token tVARARG
298 %token tVERSION
299 %token tVOID
300 %token tWCHAR tWIREMARSHAL
301
302 %type <attr> attribute type_qualifier function_specifier
303 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
304 %type <str_list> str_list
305 %type <expr> m_expr expr expr_const expr_int_const array
306 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
307 %type <ifinfo> interfacehdr
308 %type <stgclass> storage_cls_spec
309 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
310 %type <type> inherit interface interfacedef interfacedec
311 %type <type> dispinterface dispinterfacehdr dispinterfacedef
312 %type <type> module modulehdr moduledef
313 %type <type> base_type int_std
314 %type <type> enumdef structdef uniondef typedecl
315 %type <type> type
316 %type <ifref> coclass_int
317 %type <ifref_list> coclass_ints
318 %type <var> arg ne_union_field union_field s_field case enum declaration
319 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
320 %type <var> m_ident t_ident ident
321 %type <declarator> declarator direct_declarator init_declarator
322 %type <declarator_list> declarator_list
323 %type <func> funcdef
324 %type <func_list> int_statements dispint_meths
325 %type <type> coclass coclasshdr coclassdef
326 %type <num> pointer_type version
327 %type <str> libraryhdr callconv cppquote importlib import
328 %type <uuid> uuid_string
329 %type <import> import_start
330 %type <typelib> library_start librarydef
331 %type <statement> statement typedef
332 %type <stmt_list> gbl_statements imp_statements
333
334 %left ','
335 %right '?' ':'
336 %left LOGICALOR
337 %left LOGICALAND
338 %left '|'
339 %left '^'
340 %left '&'
341 %left EQUALITY INEQUALITY
342 %left '<' '>' LESSEQUAL GREATEREQUAL
343 %left SHL SHR
344 %left '-' '+'
345 %left '*' '/' '%'
346 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
347 %left '.' MEMBERPTR '[' ']'
348
349 %%
350
351 input: gbl_statements { fix_incomplete();
352 check_all_user_types($1);
353 write_proxies($1);
354 write_client($1);
355 write_server($1);
356 write_dlldata($1);
357 }
358 ;
359
360 gbl_statements: { $$ = NULL; }
361 | gbl_statements interfacedec { $$ = $1; }
362 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
363 | gbl_statements coclass ';' { $$ = $1;
364 reg_type($2, $2->name, 0);
365 if (!parse_only && do_header) write_coclass_forward($2);
366 }
367 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
368 add_typelib_entry($2);
369 reg_type($2, $2->name, 0);
370 if (!parse_only && do_header) write_coclass_forward($2);
371 }
372 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
373 add_typelib_entry($2);
374 }
375 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
376 | gbl_statements statement { $$ = append_statement($1, $2); }
377 ;
378
379 imp_statements: { $$ = NULL; }
380 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
381 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
382 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
383 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
384 if (!parse_only) add_typelib_entry($2);
385 reg_type($2, $2->name, 0);
386 if (!parse_only && do_header) write_coclass_forward($2);
387 }
388 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
389 | imp_statements statement { $$ = append_statement($1, $2); }
390 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
391 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
392 ;
393
394 int_statements: { $$ = NULL; }
395 | int_statements statement { $$ = append_func_from_statement( $1, $2 ); }
396 ;
397
398 semicolon_opt:
399 | ';'
400 ;
401
402 statement:
403 cppquote { $$ = make_statement_cppquote($1); }
404 | typedecl ';' { $$ = make_statement_type_decl($1);
405 if (!parse_only && do_header) {
406 write_type_def_or_decl(header, $1, FALSE, NULL);
407 fprintf(header, ";\n\n");
408 }
409 }
410 | declaration ';' { $$ = make_statement_declaration($1);
411 if (!parse_only && do_header) write_declaration($1, is_in_interface);
412 }
413 | import { $$ = make_statement_import($1); }
414 | typedef ';' { $$ = $1; }
415 ;
416
417 typedecl:
418 enumdef
419 | structdef
420 | uniondef
421 ;
422
423 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
424 ;
425 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
426 $$ = xmalloc(sizeof(struct _import_t));
427 $$->name = $2;
428 $$->import_performed = do_import($2);
429 if (!$$->import_performed) yychar = aEOF;
430 }
431 ;
432
433 import: import_start imp_statements aEOF { $$ = $1->name;
434 if ($1->import_performed) pop_import();
435 free($1);
436 if (!parse_only && do_header) write_import($$);
437 }
438 ;
439
440 importlib: tIMPORTLIB '(' aSTRING ')'
441 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
442 ;
443
444 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
445 ;
446 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
447 if (!parse_only) start_typelib($$);
448 if (!parse_only && do_header) write_library($$);
449 if (!parse_only && do_idfile) write_libid($$);
450 is_inside_library = TRUE;
451 }
452 ;
453 librarydef: library_start imp_statements '}'
454 semicolon_opt { $$ = $1;
455 $$->stmts = $2;
456 if (!parse_only) end_typelib();
457 is_inside_library = FALSE;
458 }
459 ;
460
461 m_args: { $$ = NULL; }
462 | args
463 ;
464
465 no_args: tVOID { $$ = NULL; }
466 ;
467
468 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
469 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
470 | no_args
471 ;
472
473 /* split into two rules to get bison to resolve a tVOID conflict */
474 arg: attributes decl_spec declarator { $$ = $3->var;
475 $$->attrs = $1;
476 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
477 error_loc("invalid storage class for function parameter\n");
478 set_type($$, $2, $3, TRUE);
479 free($3);
480 }
481 | decl_spec declarator { $$ = $2->var;
482 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
483 error_loc("invalid storage class for function parameter\n");
484 set_type($$, $1, $2, TRUE);
485 free($2);
486 }
487 ;
488
489 array: '[' m_expr ']' { $$ = $2; }
490 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
491 ;
492
493 m_attributes: { $$ = NULL; }
494 | attributes
495 ;
496
497 attributes:
498 '[' attrib_list ']' { $$ = $2;
499 if (!$$)
500 error_loc("empty attribute lists unsupported\n");
501 }
502 ;
503
504 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
505 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
506 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
507 ;
508
509 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
510 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
511 ;
512
513 attribute: { $$ = NULL; }
514 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
515 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
516 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
517 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
518 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
519 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
520 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
521 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
522 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
523 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
524 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
525 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
526 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
527 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
528 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
529 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
530 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
531 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
532 | tDUAL { $$ = make_attr(ATTR_DUAL); }
533 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
534 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
535 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
536 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
537 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
538 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
539 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
540 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
541 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
542 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
543 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
544 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
545 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
546 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
547 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
548 | tIN { $$ = make_attr(ATTR_IN); }
549 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
550 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
551 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
552 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
553 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
554 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
555 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
556 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
557 | tODL { $$ = make_attr(ATTR_ODL); }
558 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
559 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
560 | tOUT { $$ = make_attr(ATTR_OUT); }
561 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
562 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
563 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
564 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
565 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
566 | tRANGE '(' expr_int_const ',' expr_int_const ')'
567 { expr_list_t *list = append_expr( NULL, $3 );
568 list = append_expr( list, $5 );
569 $$ = make_attrp(ATTR_RANGE, list); }
570 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
571 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
572 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
573 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
574 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
575 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
576 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
577 | tSTRING { $$ = make_attr(ATTR_STRING); }
578 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
579 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
580 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
581 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
582 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
583 | tVARARG { $$ = make_attr(ATTR_VARARG); }
584 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
585 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
586 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
587 ;
588
589 uuid_string:
590 aUUID
591 | aSTRING { if (!is_valid_uuid($1))
592 error_loc("invalid UUID: %s\n", $1);
593 $$ = parse_uuid($1); }
594 ;
595
596 callconv: tCDECL { $$ = $<str>1; }
597 | tFASTCALL { $$ = $<str>1; }
598 | tPASCAL { $$ = $<str>1; }
599 | tSTDCALL { $$ = $<str>1; }
600 ;
601
602 cases: { $$ = NULL; }
603 | cases case { $$ = append_var( $1, $2 ); }
604 ;
605
606 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
607 $$ = $4; if (!$$) $$ = make_var(NULL);
608 $$->attrs = append_attr( $$->attrs, a );
609 }
610 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
611 $$ = $3; if (!$$) $$ = make_var(NULL);
612 $$->attrs = append_attr( $$->attrs, a );
613 }
614 ;
615
616 enums: { $$ = NULL; }
617 | enum_list ',' { $$ = $1; }
618 | enum_list
619 ;
620
621 enum_list: enum { if (!$1->eval)
622 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
623 $$ = append_var( NULL, $1 );
624 }
625 | enum_list ',' enum { if (!$3->eval)
626 {
627 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
628 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
629 }
630 $$ = append_var( $1, $3 );
631 }
632 ;
633
634 enum: ident '=' expr_int_const { $$ = reg_const($1);
635 $$->eval = $3;
636 $$->type = make_int(0);
637 }
638 | ident { $$ = reg_const($1);
639 $$->type = make_int(0);
640 }
641 ;
642
643 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
644 $$->kind = TKIND_ENUM;
645 $$->fields_or_args = $4;
646 $$->defined = TRUE;
647 if(in_typelib)
648 add_typelib_entry($$);
649 }
650 ;
651
652 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
653 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
654 ;
655
656 /*
657 exprs: { $$ = make_expr(EXPR_VOID); }
658 | expr_list
659 ;
660
661 expr_list: expr
662 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
663 ;
664 */
665
666 m_expr: { $$ = make_expr(EXPR_VOID); }
667 | expr
668 ;
669
670 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
671 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
672 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
673 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
674 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
675 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
676 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
677 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
678 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
679 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
680 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
681 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
682 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
683 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
684 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
685 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
686 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
687 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
688 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
689 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
690 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
691 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
692 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
693 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
694 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
695 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
696 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
697 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
698 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
699 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
700 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
701 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
702 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
703 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
704 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
705 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
706 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
707 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
708 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
709 | '(' expr ')' { $$ = $2; }
710 ;
711
712 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
713 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
714 ;
715
716 expr_int_const: expr { $$ = $1;
717 if (!$$->is_const)
718 error_loc("expression is not an integer constant\n");
719 }
720 ;
721
722 expr_const: expr { $$ = $1;
723 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
724 error_loc("expression is not constant\n");
725 }
726 ;
727
728 fields: { $$ = NULL; }
729 | fields field { $$ = append_var_list($1, $2); }
730 ;
731
732 field: m_attributes decl_spec declarator_list ';'
733 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
734 check_field_attrs(first, $1);
735 $$ = set_var_types($1, $2, $3);
736 }
737 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
738 v->type = $2; v->attrs = $1;
739 $$ = append_var(NULL, v);
740 }
741 ;
742
743 ne_union_field:
744 s_field ';' { $$ = $1; }
745 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
746 ;
747
748 ne_union_fields: { $$ = NULL; }
749 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
750 ;
751
752 union_field:
753 s_field ';' { $$ = $1; }
754 | ';' { $$ = NULL; }
755 ;
756
757 s_field: m_attributes decl_spec declarator { $$ = $3->var;
758 $$->attrs = check_field_attrs($$->name, $1);
759 set_type($$, $2, $3, FALSE);
760 free($3);
761 }
762 ;
763
764 funcdef:
765 m_attributes decl_spec declarator { var_t *v = $3->var;
766 v->attrs = check_function_attrs(v->name, $1);
767 set_type(v, $2, $3, FALSE);
768 free($3);
769 $$ = make_func(v);
770 }
771 ;
772
773 declaration:
774 attributes decl_spec init_declarator
775 { $$ = $3->var;
776 $$->attrs = $1;
777 set_type($$, $2, $3, FALSE);
778 free($3);
779 }
780 | decl_spec init_declarator { $$ = $2->var;
781 set_type($$, $1, $2, FALSE);
782 free($2);
783 }
784 ;
785
786 m_ident: { $$ = NULL; }
787 | ident
788 ;
789
790 t_ident: { $$ = NULL; }
791 | aIDENTIFIER { $$ = make_var($1); }
792 | aKNOWNTYPE { $$ = make_var($1); }
793 ;
794
795 ident: aIDENTIFIER { $$ = make_var($1); }
796 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
797 | aKNOWNTYPE { $$ = make_var($<str>1); }
798 ;
799
800 base_type: tBYTE { $$ = make_builtin($<str>1); }
801 | tWCHAR { $$ = make_builtin($<str>1); }
802 | int_std
803 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
804 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
805 switch ($$->type) {
806 case RPC_FC_CHAR: break;
807 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
808 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
809 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
810 case RPC_FC_HYPER:
811 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
812 {
813 $$ = alias($$, "MIDL_uhyper");
814 $$->sign = 0;
815 }
816 break;
817 default: break;
818 }
819 }
820 | tUNSIGNED { $$ = make_int(-1); }
821 | tFLOAT { $$ = make_builtin($<str>1); }
822 | tSINGLE { $$ = find_type("float", 0); }
823 | tDOUBLE { $$ = make_builtin($<str>1); }
824 | tBOOLEAN { $$ = make_builtin($<str>1); }
825 | tERRORSTATUST { $$ = make_builtin($<str>1); }
826 | tHANDLET { $$ = make_builtin($<str>1); }
827 ;
828
829 m_int:
830 | tINT
831 ;
832
833 int_std: tINT { $$ = make_builtin($<str>1); }
834 | tSHORT m_int { $$ = make_builtin($<str>1); }
835 | tSMALL { $$ = make_builtin($<str>1); }
836 | tLONG m_int { $$ = make_builtin($<str>1); }
837 | tHYPER m_int { $$ = make_builtin($<str>1); }
838 | tINT64 { $$ = make_builtin($<str>1); }
839 | tCHAR { $$ = make_builtin($<str>1); }
840 ;
841
842 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
843 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
844 if ($$->kind != TKIND_COCLASS)
845 error_loc("%s was not declared a coclass at %s:%d\n",
846 $2, $$->loc_info.input_name,
847 $$->loc_info.line_number);
848 }
849 ;
850
851 coclasshdr: attributes coclass { $$ = $2;
852 check_def($$);
853 $$->attrs = check_coclass_attrs($2->name, $1);
854 if (!parse_only && do_header)
855 write_coclass($$);
856 if (!parse_only && do_idfile)
857 write_clsid($$);
858 }
859 ;
860
861 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
862 { $$ = $1;
863 $$->ifaces = $3;
864 $$->defined = TRUE;
865 }
866 ;
867
868 coclass_ints: { $$ = NULL; }
869 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
870 ;
871
872 coclass_int:
873 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
874 ;
875
876 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
877 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
878 ;
879
880 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
881 is_in_interface = TRUE;
882 is_object_interface = TRUE;
883 $$ = $2;
884 check_def($$);
885 attrs = make_attr(ATTR_DISPINTERFACE);
886 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
887 $$->ref = find_type("IDispatch", 0);
888 if (!$$->ref) error_loc("IDispatch is undefined\n");
889 $$->defined = TRUE;
890 if (!parse_only && do_header) write_forward($$);
891 }
892 ;
893
894 dispint_props: tPROPERTIES ':' { $$ = NULL; }
895 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
896 ;
897
898 dispint_meths: tMETHODS ':' { $$ = NULL; }
899 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
900 ;
901
902 dispinterfacedef: dispinterfacehdr '{'
903 dispint_props
904 dispint_meths
905 '}' { $$ = $1;
906 $$->fields_or_args = $3;
907 $$->funcs = $4;
908 if (!parse_only && do_header) write_interface($$);
909 if (!parse_only && do_idfile) write_diid($$);
910 is_in_interface = FALSE;
911 }
912 | dispinterfacehdr
913 '{' interface ';' '}' { $$ = $1;
914 $$->fields_or_args = $3->fields_or_args;
915 $$->funcs = $3->funcs;
916 if (!parse_only && do_header) write_interface($$);
917 if (!parse_only && do_idfile) write_diid($$);
918 is_in_interface = FALSE;
919 }
920 ;
921
922 inherit: { $$ = NULL; }
923 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
924 ;
925
926 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
927 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
928 ;
929
930 interfacehdr: attributes interface { $$.interface = $2;
931 $$.old_pointer_default = pointer_default;
932 if (is_attr($1, ATTR_POINTERDEFAULT))
933 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
934 is_object_interface = is_object($1);
935 is_in_interface = TRUE;
936 check_def($2);
937 $2->attrs = check_iface_attrs($2->name, $1);
938 $2->defined = TRUE;
939 if (!parse_only && do_header) write_forward($2);
940 }
941 ;
942
943 interfacedef: interfacehdr inherit
944 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
945 $$->ref = $2;
946 $$->funcs = $4;
947 check_functions($$);
948 compute_method_indexes($$);
949 if (!parse_only && do_header) write_interface($$);
950 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
951 if (!parse_only && do_idfile) write_iid($$);
952 pointer_default = $1.old_pointer_default;
953 is_in_interface = FALSE;
954 }
955 /* MIDL is able to import the definition of a base class from inside the
956 * definition of a derived class, I'll try to support it with this rule */
957 | interfacehdr ':' aIDENTIFIER
958 '{' import int_statements '}'
959 semicolon_opt { $$ = $1.interface;
960 $$->ref = find_type_or_error2($3, 0);
961 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
962 $$->funcs = $6;
963 compute_method_indexes($$);
964 if (!parse_only && do_header) write_interface($$);
965 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
966 if (!parse_only && do_idfile) write_iid($$);
967 pointer_default = $1.old_pointer_default;
968 is_in_interface = FALSE;
969 }
970 | dispinterfacedef semicolon_opt { $$ = $1; }
971 ;
972
973 interfacedec:
974 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
975 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
976 ;
977
978 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
979 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
980 ;
981
982 modulehdr: attributes module { $$ = $2;
983 $$->attrs = check_module_attrs($2->name, $1);
984 }
985 ;
986
987 moduledef: modulehdr '{' int_statements '}'
988 semicolon_opt { $$ = $1;
989 $$->funcs = $3;
990 /* FIXME: if (!parse_only && do_header) write_module($$); */
991 }
992 ;
993
994 storage_cls_spec:
995 tEXTERN { $$ = STG_EXTERN; }
996 | tSTATIC { $$ = STG_STATIC; }
997 | tREGISTER { $$ = STG_REGISTER; }
998 ;
999
1000 function_specifier:
1001 tINLINE { $$ = make_attr(ATTR_INLINE); }
1002 ;
1003
1004 type_qualifier:
1005 tCONST { $$ = make_attr(ATTR_CONST); }
1006 ;
1007
1008 m_type_qual_list: { $$ = NULL; }
1009 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
1010 ;
1011
1012 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
1013 | decl_spec_no_type type m_decl_spec_no_type
1014 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
1015 ;
1016
1017 m_decl_spec_no_type: { $$ = NULL; }
1018 | decl_spec_no_type
1019 ;
1020
1021 decl_spec_no_type:
1022 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1023 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1024 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
1025 ;
1026
1027 declarator:
1028 '*' m_type_qual_list declarator %prec PPTR
1029 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1030 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1031 | direct_declarator
1032 ;
1033
1034 direct_declarator:
1035 ident { $$ = make_declarator($1); }
1036 | '(' declarator ')' { $$ = $2; }
1037 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1038 | direct_declarator '(' m_args ')' { $$ = $1;
1039 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1040 $$->type = NULL;
1041 }
1042 ;
1043
1044 declarator_list:
1045 declarator { $$ = append_declarator( NULL, $1 ); }
1046 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1047 ;
1048
1049 init_declarator:
1050 declarator { $$ = $1; }
1051 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1052 ;
1053
1054 pointer_type:
1055 tREF { $$ = RPC_FC_RP; }
1056 | tUNIQUE { $$ = RPC_FC_UP; }
1057 | tPTR { $$ = RPC_FC_FP; }
1058 ;
1059
1060 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1061 /* overwrite RPC_FC_STRUCT with a more exact type */
1062 check_def($$);
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($$);
1069 }
1070 ;
1071
1072 type: tVOID { $$ = find_type_or_error("void", 0); }
1073 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1074 | base_type { $$ = $1; }
1075 | enumdef { $$ = $1; }
1076 | tENUM aIDENTIFIER { $$ = find_type_or_error2($2, tsENUM); }
1077 | structdef { $$ = $1; }
1078 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
1079 | uniondef { $$ = $1; }
1080 | tUNION aIDENTIFIER { $$ = find_type_or_error2($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 { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
1092 check_def($$);
1093 $$->kind = TKIND_UNION;
1094 $$->fields_or_args = $4;
1095 $$->defined = TRUE;
1096 }
1097 | tUNION t_ident
1098 tSWITCH '(' s_field ')'
1099 m_ident '{' cases '}' { var_t *u = $7;
1100 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
1101 check_def($$);
1102 $$->kind = TKIND_UNION;
1103 if (!u) u = make_var( xstrdup("tagged_union") );
1104 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1105 u->type->kind = TKIND_UNION;
1106 u->type->fields_or_args = $9;
1107 u->type->defined = TRUE;
1108 $$->fields_or_args = append_var( $$->fields_or_args, $5 );
1109 $$->fields_or_args = append_var( $$->fields_or_args, u );
1110 $$->defined = TRUE;
1111 }
1112 ;
1113
1114 version:
1115 aNUM { $$ = MAKEVERSION($1, 0); }
1116 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1117 ;
1118
1119 %%
1120
1121 static void decl_builtin(const char *name, unsigned char type)
1122 {
1123 type_t *t = make_type(type, NULL);
1124 t->name = xstrdup(name);
1125 reg_type(t, name, 0);
1126 }
1127
1128 static type_t *make_builtin(char *name)
1129 {
1130 /* NAME is strdup'd in the lexer */
1131 type_t *t = duptype(find_type_or_error(name, 0), 0);
1132 t->name = name;
1133 return t;
1134 }
1135
1136 static type_t *make_int(int sign)
1137 {
1138 type_t *t = duptype(find_type_or_error("int", 0), 1);
1139
1140 t->sign = sign;
1141 if (sign < 0)
1142 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1143
1144 return t;
1145 }
1146
1147 void init_types(void)
1148 {
1149 decl_builtin("void", 0);
1150 decl_builtin("byte", RPC_FC_BYTE);
1151 decl_builtin("wchar_t", RPC_FC_WCHAR);
1152 decl_builtin("int", RPC_FC_LONG); /* win32 */
1153 decl_builtin("short", RPC_FC_SHORT);
1154 decl_builtin("small", RPC_FC_SMALL);
1155 decl_builtin("long", RPC_FC_LONG);
1156 decl_builtin("hyper", RPC_FC_HYPER);
1157 decl_builtin("__int64", RPC_FC_HYPER);
1158 decl_builtin("char", RPC_FC_CHAR);
1159 decl_builtin("float", RPC_FC_FLOAT);
1160 decl_builtin("double", RPC_FC_DOUBLE);
1161 decl_builtin("boolean", RPC_FC_BYTE);
1162 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1163 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1164 }
1165
1166 static str_list_t *append_str(str_list_t *list, char *str)
1167 {
1168 struct str_list_entry_t *entry;
1169
1170 if (!str) return list;
1171 if (!list)
1172 {
1173 list = xmalloc( sizeof(*list) );
1174 list_init( list );
1175 }
1176 entry = xmalloc( sizeof(*entry) );
1177 entry->str = str;
1178 list_add_tail( list, &entry->entry );
1179 return list;
1180 }
1181
1182 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1183 {
1184 attr_t *attr_existing;
1185 if (!attr) return list;
1186 if (!list)
1187 {
1188 list = xmalloc( sizeof(*list) );
1189 list_init( list );
1190 }
1191 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1192 if (attr_existing->type == attr->type)
1193 {
1194 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1195 /* use the last attribute, like MIDL does */
1196 list_remove(&attr_existing->entry);
1197 break;
1198 }
1199 list_add_tail( list, &attr->entry );
1200 return list;
1201 }
1202
1203 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1204 {
1205 attr_t *attr;
1206 if (!src) return dst;
1207 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1208 if (attr->type == type)
1209 {
1210 list_remove(&attr->entry);
1211 return append_attr(dst, attr);
1212 }
1213 return dst;
1214 }
1215
1216 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1217 {
1218 struct list *entry;
1219
1220 if (!old_list) return new_list;
1221
1222 while ((entry = list_head(old_list)))
1223 {
1224 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1225 list_remove(entry);
1226 new_list = append_attr(new_list, attr);
1227 }
1228 return new_list;
1229 }
1230
1231 static attr_list_t *dupattrs(const attr_list_t *list)
1232 {
1233 attr_list_t *new_list;
1234 const attr_t *attr;
1235
1236 if (!list) return NULL;
1237
1238 new_list = xmalloc( sizeof(*list) );
1239 list_init( new_list );
1240 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1241 {
1242 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1243 *new_attr = *attr;
1244 list_add_tail(new_list, &new_attr->entry);
1245 }
1246 return new_list;
1247 }
1248
1249 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)
1250 {
1251 decl_spec_t *declspec = left ? left : right;
1252 if (!declspec)
1253 {
1254 declspec = xmalloc(sizeof(*declspec));
1255 declspec->type = NULL;
1256 declspec->attrs = NULL;
1257 declspec->stgclass = STG_NONE;
1258 }
1259 declspec->type = type;
1260 if (left && declspec != left)
1261 {
1262 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1263 if (declspec->stgclass == STG_NONE)
1264 declspec->stgclass = left->stgclass;
1265 else if (left->stgclass != STG_NONE)
1266 error_loc("only one storage class can be specified\n");
1267 assert(!left->type);
1268 free(left);
1269 }
1270 if (right && declspec != right)
1271 {
1272 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1273 if (declspec->stgclass == STG_NONE)
1274 declspec->stgclass = right->stgclass;
1275 else if (right->stgclass != STG_NONE)
1276 error_loc("only one storage class can be specified\n");
1277 assert(!right->type);
1278 free(right);
1279 }
1280
1281 declspec->attrs = append_attr(declspec->attrs, attr);
1282 if (declspec->stgclass == STG_NONE)
1283 declspec->stgclass = stgclass;
1284 else if (stgclass != STG_NONE)
1285 error_loc("only one storage class can be specified\n");
1286
1287 /* apply attributes to type */
1288 if (type && declspec->attrs)
1289 {
1290 attr_list_t *attrs;
1291 declspec->type = duptype(type, 1);
1292 attrs = dupattrs(type->attrs);
1293 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1294 declspec->attrs = NULL;
1295 }
1296
1297 return declspec;
1298 }
1299
1300 static attr_t *make_attr(enum attr_type type)
1301 {
1302 attr_t *a = xmalloc(sizeof(attr_t));
1303 a->type = type;
1304 a->u.ival = 0;
1305 return a;
1306 }
1307
1308 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1309 {
1310 attr_t *a = xmalloc(sizeof(attr_t));
1311 a->type = type;
1312 a->u.ival = val;
1313 return a;
1314 }
1315
1316 static attr_t *make_attrp(enum attr_type type, void *val)
1317 {
1318 attr_t *a = xmalloc(sizeof(attr_t));
1319 a->type = type;
1320 a->u.pval = val;
1321 return a;
1322 }
1323
1324 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1325 {
1326 if (!expr) return list;
1327 if (!list)
1328 {
1329 list = xmalloc( sizeof(*list) );
1330 list_init( list );
1331 }
1332 list_add_tail( list, &expr->entry );
1333 return list;
1334 }
1335
1336 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1337 {
1338 if (!expr) return list;
1339 if (!list)
1340 {
1341 list = xmalloc( sizeof(*list) );
1342 list_init( list );
1343 }
1344 list_add_tail( list, &expr->entry );
1345 return list;
1346 }
1347
1348 static struct list type_pool = LIST_INIT(type_pool);
1349 typedef struct
1350 {
1351 type_t data;
1352 struct list link;
1353 } type_pool_node_t;
1354
1355 type_t *alloc_type(void)
1356 {
1357 type_pool_node_t *node = xmalloc(sizeof *node);
1358 list_add_tail(&type_pool, &node->link);
1359 return &node->data;
1360 }
1361
1362 void set_all_tfswrite(int val)
1363 {
1364 type_pool_node_t *node;
1365 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1366 node->data.tfswrite = val;
1367 }
1368
1369 type_t *make_type(unsigned char type, type_t *ref)
1370 {
1371 type_t *t = alloc_type();
1372 t->name = NULL;
1373 t->kind = TKIND_PRIMITIVE;
1374 t->type = type;
1375 t->ref = ref;
1376 t->attrs = NULL;
1377 t->orig = NULL;
1378 t->funcs = NULL;
1379 t->fields_or_args = NULL;
1380 t->ifaces = NULL;
1381 t->dim = 0;
1382 t->size_is = NULL;
1383 t->length_is = NULL;
1384 t->typestring_offset = 0;
1385 t->ptrdesc = 0;
1386 t->declarray = FALSE;
1387 t->ignore = (parse_only != 0);
1388 t->sign = 0;
1389 t->defined = FALSE;
1390 t->written = FALSE;
1391 t->user_types_registered = FALSE;
1392 t->tfswrite = FALSE;
1393 t->checked = FALSE;
1394 t->typelib_idx = -1;
1395 init_loc_info(&t->loc_info);
1396 return t;
1397 }
1398
1399 static type_t *make_func_type(var_list_t *args)
1400 {
1401 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1402 t->fields_or_args = args;
1403 return t;
1404 }
1405
1406 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1407 {
1408 type_t *t = make_type(pointer_default, ref);
1409 t->attrs = attrs;
1410 return t;
1411 }
1412
1413 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1414 {
1415 type_t *ptrchain_type;
1416 if (!ptrchain)
1417 return type;
1418 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1419 ;
1420 ptrchain_type->ref = type;
1421 return ptrchain;
1422 }
1423
1424 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1425 int top)
1426 {
1427 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1428 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1429 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1430 int sizeless, has_varconf;
1431 expr_t *dim;
1432 type_t *atype, **ptype;
1433 array_dims_t *arr = decl ? decl->array : NULL;
1434 type_t *func_type = decl ? decl->func_type : NULL;
1435 type_t *type = decl_spec->type;
1436
1437 if (is_attr(type->attrs, ATTR_INLINE))
1438 {
1439 if (!func_type)
1440 error_loc("inline attribute applied to non-function type\n");
1441 else
1442 {
1443 type_t *t;
1444 /* move inline attribute from return type node to function node */
1445 for (t = func_type; is_ptr(t); t = t->ref)
1446 ;
1447 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1448 }
1449 }
1450
1451 /* add type onto the end of the pointers in pident->type */
1452 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1453 v->stgclass = decl_spec->stgclass;
1454
1455 /* the highest level of pointer specified should default to the var's ptr attr
1456 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1457 * pointer_default so we need to fix that up here */
1458 if (!arr)
1459 {
1460 const type_t *ptr = NULL;
1461 /* pointer attributes on the left side of the type belong to the function
1462 * pointer, if one is being declared */
1463 type_t **pt = func_type ? &func_type : &v->type;
1464 for (ptr = *pt; ptr; )
1465 {
1466 if (ptr->kind == TKIND_ALIAS)
1467 ptr = ptr->orig;
1468 else
1469 break;
1470 }
1471 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1472 {
1473 /* duplicate type to avoid changing original type */
1474 *pt = duptype(*pt, 1);
1475 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1476 }
1477 else if (ptr_attr)
1478 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1479 }
1480
1481 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1482 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1483 v->name);
1484
1485 if (is_attr(v->attrs, ATTR_V1ENUM))
1486 {
1487 if (v->type->type == RPC_FC_ENUM16)
1488 v->type->type = RPC_FC_ENUM32;
1489 else
1490 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1491 }
1492
1493 sizeless = FALSE;
1494 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1495 {
1496 if (sizeless)
1497 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1498
1499 if (dim->is_const)
1500 {
1501 unsigned int align = 0;
1502 size_t size = type_memsize(v->type, &align);
1503
1504 if (dim->cval <= 0)
1505 error_loc("%s: array dimension must be positive\n", v->name);
1506
1507 if (0xffffffffuL / size < (unsigned long) dim->cval)
1508 error_loc("%s: total array size is too large\n", v->name);
1509 else if (0xffffuL < size * dim->cval)
1510 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1511 else
1512 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1513 }
1514 else
1515 {
1516 sizeless = TRUE;
1517 v->type = make_type(RPC_FC_CARRAY, v->type);
1518 }
1519
1520 v->type->declarray = TRUE;
1521 v->type->dim = dim->cval;
1522 }
1523
1524 ptype = &v->type;
1525 has_varconf = FALSE;
1526 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1527 {
1528 if (dim->type != EXPR_VOID)
1529 {
1530 has_varconf = TRUE;
1531 atype = *ptype = duptype(*ptype, 0);
1532
1533 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1534 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1535
1536 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1537 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1538
1539 atype->type = RPC_FC_CARRAY;
1540 atype->size_is = dim;
1541 }
1542
1543 ptype = &(*ptype)->ref;
1544 if (*ptype == NULL)
1545 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1546 }
1547
1548 ptype = &v->type;
1549 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1550 {
1551 if (dim->type != EXPR_VOID)
1552 {
1553 has_varconf = TRUE;
1554 atype = *ptype = duptype(*ptype, 0);
1555
1556 if (atype->type == RPC_FC_SMFARRAY)
1557 atype->type = RPC_FC_SMVARRAY;
1558 else if (atype->type == RPC_FC_LGFARRAY)
1559 atype->type = RPC_FC_LGVARRAY;
1560 else if (atype->type == RPC_FC_CARRAY)
1561 atype->type = RPC_FC_CVARRAY;
1562 else
1563 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1564
1565 atype->length_is = dim;
1566 }
1567
1568 ptype = &(*ptype)->ref;
1569 if (*ptype == NULL)
1570 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1571 }
1572
1573 if (has_varconf && !last_array(v->type))
1574 {
1575 ptype = &v->type;
1576 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1577 {
1578 *ptype = duptype(*ptype, 0);
1579 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1580 }
1581 }
1582
1583 if (is_array(v->type))
1584 {
1585 const type_t *rt = v->type->ref;
1586 if (is_user_type(rt))
1587 v->type->type = RPC_FC_BOGUS_ARRAY;
1588 else
1589 switch (rt->type)
1590 {
1591 case RPC_FC_BOGUS_STRUCT:
1592 case RPC_FC_NON_ENCAPSULATED_UNION:
1593 case RPC_FC_ENCAPSULATED_UNION:
1594 case RPC_FC_ENUM16:
1595 v->type->type = RPC_FC_BOGUS_ARRAY;
1596 break;
1597 /* FC_RP should be above, but widl overuses these, and will break things. */
1598 case RPC_FC_UP:
1599 case RPC_FC_RP:
1600 if (rt->ref->type == RPC_FC_IP)
1601 v->type->type = RPC_FC_BOGUS_ARRAY;
1602 break;
1603 }
1604 }
1605
1606 /* v->type is currently pointing to the type on the left-side of the
1607 * declaration, so we need to fix this up so that it is the return type of the
1608 * function and make v->type point to the function side of the declaration */
1609 if (func_type)
1610 {
1611 type_t *ft, *t;
1612 type_t *return_type = v->type;
1613 v->type = func_type;
1614 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1615 ;
1616 assert(ft->type == RPC_FC_FUNCTION);
1617 ft->ref = return_type;
1618 /* move calling convention attribute, if present, from pointer nodes to
1619 * function node */
1620 for (t = v->type; is_ptr(t); t = t->ref)
1621 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1622 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1623 {
1624 static char *stdmethodcalltype;
1625 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1626 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1627 }
1628 }
1629 else
1630 {
1631 type_t *t;
1632 for (t = v->type; is_ptr(t); t = t->ref)
1633 if (is_attr(t->attrs, ATTR_CALLCONV))
1634 error_loc("calling convention applied to non-function-pointer type\n");
1635 }
1636 }
1637
1638 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1639 {
1640 declarator_t *decl, *next;
1641 var_list_t *var_list = NULL;
1642
1643 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1644 {
1645 var_t *var = decl->var;
1646
1647 var->attrs = attrs;
1648 set_type(var, decl_spec, decl, 0);
1649 var_list = append_var(var_list, var);
1650 free(decl);
1651 }
1652 return var_list;
1653 }
1654
1655 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1656 {
1657 if (!iface) return list;
1658 if (!list)
1659 {
1660 list = xmalloc( sizeof(*list) );
1661 list_init( list );
1662 }
1663 list_add_tail( list, &iface->entry );
1664 return list;
1665 }
1666
1667 static ifref_t *make_ifref(type_t *iface)
1668 {
1669 ifref_t *l = xmalloc(sizeof(ifref_t));
1670 l->iface = iface;
1671 l->attrs = NULL;
1672 return l;
1673 }
1674
1675 static var_list_t *append_var(var_list_t *list, var_t *var)
1676 {
1677 if (!var) return list;
1678 if (!list)
1679 {
1680 list = xmalloc( sizeof(*list) );
1681 list_init( list );
1682 }
1683 list_add_tail( list, &var->entry );
1684 return list;
1685 }
1686
1687 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1688 {
1689 if (!vars) return list;
1690 if (!list)
1691 {
1692 list = xmalloc( sizeof(*list) );
1693 list_init( list );
1694 }
1695 list_move_tail( list, vars );
1696 return list;
1697 }
1698
1699 static var_t *make_var(char *name)
1700 {
1701 var_t *v = xmalloc(sizeof(var_t));
1702 v->name = name;
1703 v->type = NULL;
1704 v->attrs = NULL;
1705 v->eval = NULL;
1706 v->stgclass = STG_NONE;
1707 init_loc_info(&v->loc_info);
1708 return v;
1709 }
1710
1711 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1712 {
1713 if (!d) return list;
1714 if (!list) {
1715 list = xmalloc(sizeof(*list));
1716 list_init(list);
1717 }
1718 list_add_tail(list, &d->entry);
1719 return list;
1720 }
1721
1722 static declarator_t *make_declarator(var_t *var)
1723 {
1724 declarator_t *d = xmalloc(sizeof(*d));
1725 d->var = var;
1726 d->type = NULL;
1727 d->func_type = NULL;
1728 d->array = NULL;
1729 return d;
1730 }
1731
1732 static func_list_t *append_func(func_list_t *list, func_t *func)
1733 {
1734 if (!func) return list;
1735 if (!list)
1736 {
1737 list = xmalloc( sizeof(*list) );
1738 list_init( list );
1739 }
1740 list_add_tail( list, &func->entry );
1741 return list;
1742 }
1743
1744 static func_t *make_func(var_t *def)
1745 {
1746 func_t *f = xmalloc(sizeof(func_t));
1747 f->def = def;
1748 f->args = def->type->fields_or_args;
1749 f->ignore = parse_only;
1750 f->idx = -1;
1751 return f;
1752 }
1753
1754 static type_t *make_class(char *name)
1755 {
1756 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1757 c->name = name;
1758 c->kind = TKIND_COCLASS;
1759 return c;
1760 }
1761
1762 static type_t *make_safearray(type_t *type)
1763 {
1764 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1765 sa->ref = type;
1766 return make_type(pointer_default, sa);
1767 }
1768
1769 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1770 {
1771 typelib_t *typelib = xmalloc(sizeof(*typelib));
1772 typelib->name = xstrdup(name);
1773 typelib->filename = NULL;
1774 typelib->attrs = attrs;
1775 list_init( &typelib->entries );
1776 list_init( &typelib->importlibs );
1777 return typelib;
1778 }
1779
1780 #define HASHMAX 64
1781
1782 static int hash_ident(const char *name)
1783 {
1784 const char *p = name;
1785 int sum = 0;
1786 /* a simple sum hash is probably good enough */
1787 while (*p) {
1788 sum += *p;
1789 p++;
1790 }
1791 return sum & (HASHMAX-1);
1792 }
1793
1794 /***** type repository *****/
1795
1796 struct rtype {
1797 const char *name;
1798 type_t *type;
1799 int t;
1800 struct rtype *next;
1801 };
1802
1803 struct rtype *type_hash[HASHMAX];
1804
1805 static type_t *reg_type(type_t *type, const char *name, int t)
1806 {
1807 struct rtype *nt;
1808 int hash;
1809 if (!name) {
1810 error_loc("registering named type without name\n");
1811 return type;
1812 }
1813 hash = hash_ident(name);
1814 nt = xmalloc(sizeof(struct rtype));
1815 nt->name = name;
1816 nt->type = type;
1817 nt->t = t;
1818 nt->next = type_hash[hash];
1819 type_hash[hash] = nt;
1820 return type;
1821 }
1822
1823 static int is_incomplete(const type_t *t)
1824 {
1825 return !t->defined && (is_struct(t->type) || is_union(t->type));
1826 }
1827
1828 static void add_incomplete(type_t *t)
1829 {
1830 struct typenode *tn = xmalloc(sizeof *tn);
1831 tn->type = t;
1832 list_add_tail(&incomplete_types, &tn->entry);
1833 }
1834
1835 static void fix_type(type_t *t)
1836 {
1837 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1838 type_t *ot = t->orig;
1839 fix_type(ot);
1840 t->fields_or_args = ot->fields_or_args;
1841 t->defined = ot->defined;
1842 }
1843 }
1844
1845 static void fix_incomplete(void)
1846 {
1847 struct typenode *tn, *next;
1848
1849 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1850 fix_type(tn->type);
1851 free(tn);
1852 }
1853 }
1854
1855 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1856 {
1857 const declarator_t *decl;
1858 int is_str = is_attr(attrs, ATTR_STRING);
1859 type_t *type = decl_spec->type;
1860
1861 if (is_str)
1862 {
1863 type_t *t = decl_spec->type;
1864 unsigned char c;
1865
1866 while (is_ptr(t))
1867 t = t->ref;
1868
1869 c = t->type;
1870 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1871 {
1872 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1873 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1874 decl->var->name);
1875 }
1876 }
1877
1878 /* We must generate names for tagless enum, struct or union.
1879 Typedef-ing a tagless enum, struct or union means we want the typedef
1880 to be included in a library hence the public attribute. */
1881 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1882 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1883 {
1884 if (! is_attr(attrs, ATTR_PUBLIC))
1885 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1886 type->name = gen_name();
1887 }
1888 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1889 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1890
1891 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1892 {
1893 var_t *name = decl->var;
1894
1895 if (name->name) {
1896 type_t *cur;
1897
1898 cur = find_type(name->name, 0);
1899 if (cur)
1900 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1901 cur->name, cur->loc_info.input_name,
1902 cur->loc_info.line_number);
1903
1904 /* set the attributes to allow set_type to do some checks on them */
1905 name->attrs = attrs;
1906 set_type(name, decl_spec, decl, 0);
1907 cur = alias(name->type, name->name);
1908 cur->attrs = attrs;
1909
1910 if (is_incomplete(cur))
1911 add_incomplete(cur);
1912 reg_type(cur, cur->name, 0);
1913 }
1914 }
1915 return type;
1916 }
1917
1918 type_t *find_type(const char *name, int t)
1919 {
1920 struct rtype *cur = type_hash[hash_ident(name)];
1921 while (cur && (cur->t != t || strcmp(cur->name, name)))
1922 cur = cur->next;
1923 return cur ? cur->type : NULL;
1924 }
1925
1926 static type_t *find_type_or_error(const char *name, int t)
1927 {
1928 type_t *type = find_type(name, t);
1929 if (!type) {
1930 error_loc("type '%s' not found\n", name);
1931 return NULL;
1932 }
1933 return type;
1934 }
1935
1936 static type_t *find_type_or_error2(char *name, int t)
1937 {
1938 type_t *tp = find_type_or_error(name, t);
1939 free(name);
1940 return tp;
1941 }
1942
1943 int is_type(const char *name)
1944 {
1945 return find_type(name, 0) != NULL;
1946 }
1947
1948 static type_t *get_type(unsigned char type, char *name, int t)
1949 {
1950 type_t *tp;
1951 if (name) {
1952 tp = find_type(name, t);
1953 if (tp) {
1954 free(name);
1955 return tp;
1956 }
1957 }
1958 tp = make_type(type, NULL);
1959 tp->name = name;
1960 if (!name) return tp;
1961 return reg_type(tp, name, t);
1962 }
1963
1964 static type_t *get_typev(unsigned char type, var_t *name, int t)
1965 {
1966 char *sname = NULL;
1967 if (name) {
1968 sname = name->name;
1969 free(name);
1970 }
1971 return get_type(type, sname, t);
1972 }
1973
1974 static int get_struct_type(var_list_t *fields)
1975 {
1976 int has_pointer = 0;
1977 int has_conformance = 0;
1978 int has_variance = 0;
1979 var_t *field;
1980
1981 if (get_padding(fields))
1982 return RPC_FC_BOGUS_STRUCT;
1983
1984 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1985 {
1986 type_t *t = field->type;
1987
1988 if (is_user_type(t))
1989 return RPC_FC_BOGUS_STRUCT;
1990
1991 if (is_ptr(t))
1992 {
1993 do
1994 t = t->ref;
1995 while (is_ptr(t));
1996
1997 switch (t->type)
1998 {
1999 case RPC_FC_IP:
2000 case RPC_FC_ENCAPSULATED_UNION:
2001 case RPC_FC_NON_ENCAPSULATED_UNION:
2002 case RPC_FC_BOGUS_STRUCT:
2003 return RPC_FC_BOGUS_STRUCT;
2004 }
2005
2006 has_pointer = 1;
2007 continue;
2008 }
2009
2010 if (field->type->declarray)
2011 {
2012 if (is_string_type(field->attrs, field->type))
2013 {
2014 if (is_conformant_array(field->type))
2015 has_conformance = 1;
2016 has_variance = 1;
2017 continue;
2018 }
2019
2020 if (is_array(field->type->ref))
2021 return RPC_FC_BOGUS_STRUCT;
2022
2023 if (is_conformant_array(field->type))
2024 {
2025 has_conformance = 1;
2026 if (field->type->declarray && list_next(fields, &field->entry))
2027 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2028 field->name);
2029 }
2030 if (field->type->length_is)
2031 has_variance = 1;
2032
2033 t = field->type->ref;
2034 }
2035
2036 switch (t->type)
2037 {
2038 /*
2039 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
2040 * Simple types don't effect the type of struct.
2041 * A struct containing a simple struct is still a simple struct.
2042 * So long as we can block copy the data, we return RPC_FC_STRUCT.
2043 */
2044 case 0: /* void pointer */
2045 case RPC_FC_BYTE:
2046 case RPC_FC_CHAR:
2047 case RPC_FC_SMALL:
2048 case RPC_FC_USMALL:
2049 case RPC_FC_WCHAR:
2050 case RPC_FC_SHORT:
2051 case RPC_FC_USHORT:
2052 case RPC_FC_LONG:
2053 case RPC_FC_ULONG:
2054 case RPC_FC_INT3264:
2055 case RPC_FC_UINT3264:
2056 case RPC_FC_HYPER:
2057 case RPC_FC_FLOAT:
2058 case RPC_FC_DOUBLE:
2059 case RPC_FC_STRUCT:
2060 case RPC_FC_ENUM32:
2061 break;
2062
2063 case RPC_FC_RP:
2064 case RPC_FC_UP:
2065 case RPC_FC_FP:
2066 case RPC_FC_OP:
2067 case RPC_FC_CARRAY:
2068 case RPC_FC_CVARRAY:
2069 case RPC_FC_BOGUS_ARRAY:
2070 has_pointer = 1;
2071 break;
2072
2073 /*
2074 * Propagate member attributes
2075 * a struct should be at least as complex as its member
2076 */
2077 case RPC_FC_CVSTRUCT:
2078 has_conformance = 1;
2079 has_variance = 1;
2080 has_pointer = 1;
2081 break;
2082
2083 case RPC_FC_CPSTRUCT:
2084 has_conformance = 1;
2085 if (list_next( fields, &field->entry ))
2086 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2087 field->name);
2088 has_pointer = 1;
2089 break;
2090
2091 case RPC_FC_CSTRUCT:
2092 has_conformance = 1;
2093 if (list_next( fields, &field->entry ))
2094 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2095 field->name);
2096 break;
2097
2098 case RPC_FC_PSTRUCT:
2099 has_pointer = 1;
2100 break;
2101
2102 default:
2103 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2104 /* fallthru - treat it as complex */
2105
2106 /* as soon as we see one of these these members, it's bogus... */
2107 case RPC_FC_ENCAPSULATED_UNION:
2108 case RPC_FC_NON_ENCAPSULATED_UNION:
2109 case RPC_FC_BOGUS_STRUCT:
2110 case RPC_FC_ENUM16:
2111 return RPC_FC_BOGUS_STRUCT;
2112 }
2113 }
2114
2115 if( has_variance )
2116 {
2117 if ( has_conformance )
2118 return RPC_FC_CVSTRUCT;
2119 else
2120 return RPC_FC_BOGUS_STRUCT;
2121 }
2122 if( has_conformance && has_pointer )
2123 return RPC_FC_CPSTRUCT;
2124 if( has_conformance )
2125 return RPC_FC_CSTRUCT;
2126 if( has_pointer )
2127 return RPC_FC_PSTRUCT;
2128 return RPC_FC_STRUCT;
2129 }
2130
2131 /***** constant repository *****/
2132
2133 struct rconst {
2134 char *name;
2135 var_t *var;
2136 struct rconst *next;
2137 };
2138
2139 struct rconst *const_hash[HASHMAX];
2140
2141 static var_t *reg_const(var_t *var)
2142 {
2143 struct rconst *nc;
2144 int hash;
2145 if (!var->name) {
2146 error_loc("registering constant without name\n");
2147 return var;
2148 }
2149 hash = hash_ident(var->name);
2150 nc = xmalloc(sizeof(struct rconst));
2151 nc->name = var->name;
2152 nc->var = var;
2153 nc->next = const_hash[hash];
2154 const_hash[hash] = nc;
2155 return var;
2156 }
2157
2158 var_t *find_const(const char *name, int f)
2159 {
2160 struct rconst *cur = const_hash[hash_ident(name)];
2161 while (cur && strcmp(cur->name, name))
2162 cur = cur->next;
2163 if (!cur) {
2164 if (f) error_loc("constant '%s' not found\n", name);
2165 return NULL;
2166 }
2167 return cur->var;
2168 }
2169
2170 static void write_libid(const typelib_t *typelib)
2171 {
2172 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2173 write_guid(idfile, "LIBID", typelib->name, uuid);
2174 }
2175
2176 static void write_clsid(type_t *cls)
2177 {
2178 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2179 write_guid(idfile, "CLSID", cls->name, uuid);
2180 }
2181
2182 static void write_diid(type_t *iface)
2183 {
2184 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2185 write_guid(idfile, "DIID", iface->name, uuid);
2186 }
2187
2188 static void write_iid(type_t *iface)
2189 {
2190 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2191 write_guid(idfile, "IID", iface->name, uuid);
2192 }
2193
2194 static int compute_method_indexes(type_t *iface)
2195 {
2196 int idx;
2197 func_t *f;
2198
2199 if (iface->ref)
2200 idx = compute_method_indexes(iface->ref);
2201 else
2202 idx = 0;
2203
2204 if (!iface->funcs)
2205 return idx;
2206
2207 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2208 if (! is_callas(f->def->attrs))
2209 f->idx = idx++;
2210
2211 return idx;
2212 }
2213
2214 static char *gen_name(void)
2215 {
2216 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2217 static unsigned long n = 0;
2218 static const char *file_id;
2219 static size_t size;
2220 char *name;
2221
2222 if (! file_id)
2223 {
2224 char *dst = dup_basename(input_name, ".idl");
2225 file_id = dst;
2226
2227 for (; *dst; ++dst)
2228 if (! isalnum((unsigned char) *dst))
2229 *dst = '_';
2230
2231 size = sizeof format - 7 + strlen(file_id) + 8;
2232 }
2233
2234 name = xmalloc(size);
2235 sprintf(name, format, file_id, n++);
2236 return name;
2237 }
2238
2239 struct allowed_attr
2240 {
2241 unsigned int dce_compatible : 1;
2242 unsigned int acf : 1;
2243 unsigned int on_interface : 1;
2244 unsigned int on_function : 1;
2245 unsigned int on_arg : 1;
2246 unsigned int on_type : 1;
2247 unsigned int on_field : 1;
2248 unsigned int on_library : 1;
2249 unsigned int on_dispinterface : 1;
2250 unsigned int on_module : 1;
2251 unsigned int on_coclass : 1;
2252 const char *display_name;
2253 };
2254
2255 struct allowed_attr allowed_attr[] =
2256 {
2257 /* attr { D ACF I Fn ARG T Fi L DI M C <display name> } */
2258 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2259 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2260 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, "async" },
2261 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2262 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2263 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2264 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2265 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, NULL },
2266 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2267 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2268 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "context_handle" },
2269 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2270 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2271 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2272 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2273 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2274 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2275 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2276 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2277 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2278 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2279 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "entry" },
2280 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2281 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "handle" },
2282 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpcontext" },
2283 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2284 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstring" },
2285 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstringcontext" },
2286 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2287 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2288 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, "id" },
2289 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2290 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "iid_is" },
2291 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2292 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2293 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "in" },
2294 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2295 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2296 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "length_is" },
2297 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2298 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "local" },
2299 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2300 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2301 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2302 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2303 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2304 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2305 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "optional" },
2306 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "out" },
2307 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2308 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2309 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propget" },
2310 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propput" },
2311 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2312 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "public" },
2313 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "range" },
2314 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "readonly" },
2315 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2316 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, "restricted" },
2317 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "retval" },
2318 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "size_is" },
2319 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, "source" },
2320 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2321 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, "string" },
2322 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "switch_is" },
2323 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, "switch_type" },
2324 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "transmit_as" },
2325 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, "uuid" },
2326 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "v1_enum" },
2327 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2328 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2329 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "wire_marshal" },
2330 };
2331
2332 const char *get_attr_display_name(enum attr_type type)
2333 {
2334 return allowed_attr[type].display_name;
2335 }
2336
2337 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2338 {
2339 const attr_t *attr;
2340 if (!attrs) return attrs;
2341 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2342 {
2343 if (!allowed_attr[attr->type].on_interface)
2344 error_loc("inapplicable attribute %s for interface %s\n",
2345 allowed_attr[attr->type].display_name, name);
2346 }
2347 return attrs;
2348 }
2349
2350 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2351 {
2352 const attr_t *attr;
2353 if (!attrs) return attrs;
2354 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2355 {
2356 if (!allowed_attr[attr->type].on_function)
2357 error_loc("inapplicable attribute %s for function %s\n",
2358 allowed_attr[attr->type].display_name, name);
2359 }
2360 return attrs;
2361 }
2362
2363 static void check_arg(var_t *arg)
2364 {
2365 const type_t *t = arg->type;
2366 const attr_t *attr;
2367
2368 if (t->type == 0 && ! is_var_ptr(arg))
2369 error_loc("argument '%s' has void type\n", arg->name);
2370
2371 if (arg->attrs)
2372 {
2373 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2374 {
2375 if (!allowed_attr[attr->type].on_arg)
2376 error_loc("inapplicable attribute %s for argument %s\n",
2377 allowed_attr[attr->type].display_name, arg->name);
2378 }
2379 }
2380 }
2381
2382 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2383 {
2384 const attr_t *attr;
2385 if (!attrs) return attrs;
2386 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2387 {
2388 if (!allowed_attr[attr->type].on_type)
2389 error_loc("inapplicable attribute %s for typedef\n",
2390 allowed_attr[attr->type].display_name);
2391 }
2392 return attrs;
2393 }
2394
2395 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2396 {
2397 const attr_t *attr;
2398 if (!attrs) return attrs;
2399 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2400 {
2401 if (!allowed_attr[attr->type].on_field)
2402 error_loc("inapplicable attribute %s for field %s\n",
2403 allowed_attr[attr->type].display_name, name);
2404 }
2405 return attrs;
2406 }
2407
2408 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2409 {
2410 const attr_t *attr;
2411 if (!attrs) return attrs;
2412 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2413 {
2414 if (!allowed_attr[attr->type].on_library)
2415 error_loc("inapplicable attribute %s for library %s\n",
2416 allowed_attr[attr->type].display_name, name);
2417 }
2418 return attrs;
2419 }
2420
2421 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2422 {
2423 const attr_t *attr;
2424 if (!attrs) return attrs;
2425 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2426 {
2427 if (!allowed_attr[attr->type].on_dispinterface)
2428 error_loc("inapplicable attribute %s for dispinterface %s\n",
2429 allowed_attr[attr->type].display_name, name);
2430 }
2431 return attrs;
2432 }
2433
2434 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2435 {
2436 const attr_t *attr;
2437 if (!attrs) return attrs;
2438 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2439 {
2440 if (!allowed_attr[attr->type].on_module)
2441 error_loc("inapplicable attribute %s for module %s\n",
2442 allowed_attr[attr->type].display_name, name);
2443 }
2444 return attrs;
2445 }
2446
2447 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2448 {
2449 const attr_t *attr;
2450 if (!attrs) return attrs;
2451 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2452 {
2453 if (!allowed_attr[attr->type].on_coclass)
2454 error_loc("inapplicable attribute %s for coclass %s\n",
2455 allowed_attr[attr->type].display_name, name);
2456 }
2457 return attrs;
2458 }
2459
2460 static int is_allowed_conf_type(const type_t *type)
2461 {
2462 switch (type->type)
2463 {
2464 case RPC_FC_CHAR:
2465 case RPC_FC_SMALL:
2466 case RPC_FC_BYTE:
2467 case RPC_FC_USMALL:
2468 case RPC_FC_WCHAR:
2469 case RPC_FC_SHORT:
2470 case RPC_FC_ENUM16:
2471 case RPC_FC_USHORT:
2472 case RPC_FC_LONG:
2473 case RPC_FC_ENUM32:
2474 case RPC_FC_ULONG:
2475 return TRUE;
2476 default:
2477 return FALSE;
2478 }
2479 }
2480
2481 static int is_ptr_guid_type(const type_t *type)
2482 {
2483 unsigned int align = 0;
2484 for (;;)
2485 {
2486 if (type->kind == TKIND_ALIAS)
2487 type = type->orig;
2488 else if (is_ptr(type))
2489 {
2490 type = type->ref;
2491 break;
2492 }
2493 else
2494 return FALSE;
2495 }
2496 return (type_memsize(type, &align) == 16);
2497 }
2498
2499 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2500 {
2501 expr_t *dim;
2502 struct expr_loc expr_loc;
2503 expr_loc.v = arg;
2504 expr_loc.attr = attr_name;
2505 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2506 {
2507 if (dim->type != EXPR_VOID)
2508 {
2509 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2510 if (!is_allowed_conf_type(expr_type))
2511 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2512 attr_name);
2513 }
2514 }
2515 }
2516
2517 static void check_remoting_fields(const var_t *var, type_t *type);
2518
2519 /* checks that properties common to fields and arguments are consistent */
2520 static void check_field_common(const type_t *container_type,
2521 const char *container_name, const var_t *arg)
2522 {
2523 type_t *type = arg->type;
2524 int is_wire_marshal = 0;
2525 int is_context_handle = 0;
2526 const char *container_type_name = NULL;
2527
2528 if (is_struct(container_type->type))
2529 container_type_name = "struct";
2530 else if (is_union(container_type->type))
2531 container_type_name = "union";
2532 else if (container_type->type == RPC_FC_FUNCTION)
2533 container_type_name = "function";
2534
2535 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2536 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2537 error_loc_info(&arg->loc_info,
2538 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2539 arg->name);
2540
2541 if (is_attr(arg->attrs, ATTR_SIZEIS))
2542 {
2543 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2544 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2545 }
2546 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2547 {
2548 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2549 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2550 }
2551 if (is_attr(arg->attrs, ATTR_IIDIS))
2552 {
2553 struct expr_loc expr_loc;
2554 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2555 if (expr->type != EXPR_VOID)
2556 {
2557 const type_t *expr_type;
2558 expr_loc.v = arg;
2559 expr_loc.attr = "iid_is";
2560 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2561 if (!expr_type || !is_ptr_guid_type(expr_type))
2562 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2563 }
2564 }
2565 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2566 {
2567 struct expr_loc expr_loc;
2568 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2569 if (expr->type != EXPR_VOID)
2570 {
2571 const type_t *expr_type;
2572 expr_loc.v = arg;
2573 expr_loc.attr = "switch_is";
2574 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2575 if (!expr_type || !is_allowed_conf_type(expr_type))
2576 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2577 expr_loc.attr);
2578 }
2579 }
2580
2581 /* get fundamental type for the argument */
2582 for (;;)
2583 {
2584 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2585 {
2586 is_wire_marshal = 1;
2587 break;
2588 }
2589 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2590 {
2591 is_context_handle = 1;
2592 break;
2593 }
2594 if (type->kind == TKIND_ALIAS)
2595 type = type->orig;
2596 else if (is_ptr(type) || is_array(type))
2597 type = type->ref;
2598 else
2599 break;
2600 }
2601
2602 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2603 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2604 else if (type->type == RPC_FC_FUNCTION)
2605 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2606 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2607 check_remoting_fields(arg, type);
2608 }
2609
2610 static void check_remoting_fields(const var_t *var, type_t *type)
2611 {
2612 const var_t *field;
2613 const var_list_t *fields = NULL;
2614
2615 if (type->checked)
2616 return;
2617
2618 type->checked = TRUE;
2619
2620 if (is_struct(type->type))
2621 {
2622 if (type->defined)
2623 fields = type->fields_or_args;
2624 else
2625 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2626 }
2627 else if (is_union(type->type))
2628 {
2629 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2630 {
2631 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2632 fields = uv->type->fields_or_args;
2633 }
2634 else
2635 fields = type->fields_or_args;
2636 }
2637
2638 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2639 if (field->type) check_field_common(type, type->name, field);
2640 }
2641
2642 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2643 static void check_remoting_args(const func_t *func)
2644 {
2645 const char *funcname = func->def->name;
2646 const var_t *arg;
2647
2648 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2649 {
2650 int ptr_level = 0;
2651 const type_t *type = arg->type;
2652
2653 /* get pointer level and fundamental type for the argument */
2654 for (;;)
2655 {
2656 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2657 break;
2658 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2659 break;
2660 if (type->kind == TKIND_ALIAS)
2661 type = type->orig;
2662 else if (is_ptr(type))
2663 {
2664 ptr_level++;
2665 type = type->ref;
2666 }
2667 else
2668 break;
2669 }
2670
2671 /* check that [out] parameters have enough pointer levels */
2672 if (is_attr(arg->attrs, ATTR_OUT))
2673 {
2674 if (!is_array(type))
2675 {
2676 if (!ptr_level)
2677 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2678 if (type->type == RPC_FC_IP && ptr_level == 1)
2679 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2680 }
2681 }
2682
2683 check_field_common(func->def->type, funcname, arg);
2684 }
2685 }
2686
2687 static void add_explicit_handle_if_necessary(func_t *func)
2688 {
2689 const var_t* explicit_handle_var;
2690 const var_t* explicit_generic_handle_var = NULL;
2691 const var_t* context_handle_var = NULL;
2692
2693 /* check for a defined binding handle */
2694 explicit_handle_var = get_explicit_handle_var(func);
2695 if (!explicit_handle_var)
2696 {
2697 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2698 if (!explicit_generic_handle_var)
2699 {
2700 context_handle_var = get_context_handle_var(func);
2701 if (!context_handle_var)
2702 {
2703 /* no explicit handle specified so add
2704 * "[in] handle_t IDL_handle" as the first parameter to the
2705 * function */
2706 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2707 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2708 idl_handle->type = find_type_or_error("handle_t", 0);
2709 if (!func->def->type->fields_or_args)
2710 {
2711 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2712 list_init( func->def->type->fields_or_args );
2713 }
2714 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2715 func->args = func->def->type->fields_or_args;
2716 }
2717 }
2718 }
2719 }
2720
2721 static void check_functions(const type_t *iface)
2722 {
2723 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2724 {
2725 func_t *func;
2726 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2727 add_explicit_handle_if_necessary(func);
2728 }
2729 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2730 {
2731 const func_t *func;
2732 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2733 {
2734 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2735 check_remoting_args(func);
2736 }
2737 }
2738 }
2739
2740 static void check_all_user_types(const statement_list_t *stmts)
2741 {
2742 const statement_t *stmt;
2743
2744 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2745 {
2746 if (stmt->type == STMT_LIBRARY)
2747 check_all_user_types(stmt->u.lib->stmts);
2748 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2749 {
2750 const func_t *f;
2751 const func_list_t *fs = stmt->u.type->funcs;
2752 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2753 check_for_additional_prototype_types(f->args);
2754 }
2755 }
2756 }
2757
2758 int is_valid_uuid(const char *s)
2759 {
2760 int i;
2761
2762 for (i = 0; i < 36; ++i)
2763 if (i == 8 || i == 13 || i == 18 || i == 23)
2764 {
2765 if (s[i] != '-')
2766 return FALSE;
2767 }
2768 else
2769 if (!isxdigit(s[i]))
2770 return FALSE;
2771
2772 return s[i] == '\0';
2773 }
2774
2775 static statement_t *make_statement(enum statement_type type)
2776 {
2777 statement_t *stmt = xmalloc(sizeof(*stmt));
2778 stmt->type = type;
2779 return stmt;
2780 }
2781
2782 static statement_t *make_statement_type_decl(type_t *type)
2783 {
2784 statement_t *stmt = make_statement(STMT_TYPE);
2785 stmt->u.type = type;
2786 return stmt;
2787 }
2788
2789 static statement_t *make_statement_reference(type_t *type)
2790 {
2791 statement_t *stmt = make_statement(STMT_TYPEREF);
2792 stmt->u.type = type;
2793 return stmt;
2794 }
2795
2796 static statement_t *make_statement_declaration(var_t *var)
2797 {
2798 statement_t *stmt = make_statement(STMT_DECLARATION);
2799 stmt->u.var = var;
2800 if (var->stgclass == STG_EXTERN && var->eval)
2801 warning("'%s' initialised and declared extern\n", var->name);
2802 if (is_const_decl(var))
2803 {
2804 if (var->eval)
2805 reg_const(var);
2806 }
2807 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2808 var->type->type != RPC_FC_FUNCTION)
2809 error_loc("instantiation of data is illegal\n");
2810 return stmt;
2811 }
2812
2813 static statement_t *make_statement_library(typelib_t *typelib)
2814 {
2815 statement_t *stmt = make_statement(STMT_LIBRARY);
2816 stmt->u.lib = typelib;
2817 return stmt;
2818 }
2819
2820 static statement_t *make_statement_cppquote(const char *str)
2821 {
2822 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2823 stmt->u.str = str;
2824 return stmt;
2825 }
2826
2827 static statement_t *make_statement_importlib(const char *str)
2828 {
2829 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2830 stmt->u.str = str;
2831 return stmt;
2832 }
2833
2834 static statement_t *make_statement_import(const char *str)
2835 {
2836 statement_t *stmt = make_statement(STMT_IMPORT);
2837 stmt->u.str = str;
2838 return stmt;
2839 }
2840
2841 static statement_t *make_statement_module(type_t *type)
2842 {
2843 statement_t *stmt = make_statement(STMT_MODULE);
2844 stmt->u.type = type;
2845 return stmt;
2846 }
2847
2848 static statement_t *process_typedefs(declarator_list_t *decls)
2849 {
2850 declarator_t *decl, *next;
2851 statement_t *stmt;
2852 type_list_t **type_list;
2853
2854 if (!decls) return NULL;
2855
2856 stmt = make_statement(STMT_TYPEDEF);
2857 stmt->u.type_list = NULL;
2858 type_list = &stmt->u.type_list;
2859
2860 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2861 {
2862 var_t *var = decl->var;
2863 type_t *type = find_type_or_error(var->name, 0);
2864 *type_list = xmalloc(sizeof(type_list_t));
2865 (*type_list)->type = type;
2866 (*type_list)->next = NULL;
2867
2868 if (! parse_only && do_header)
2869 write_typedef(type);
2870 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2871 add_typelib_entry(type);
2872
2873 type_list = &(*type_list)->next;
2874 free(decl);
2875 free(var);
2876 }
2877
2878 return stmt;
2879 }
2880
2881 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2882 {
2883 if (!stmt) return list;
2884 if (!list)
2885 {
2886 list = xmalloc( sizeof(*list) );
2887 list_init( list );
2888 }
2889 list_add_tail( list, &stmt->entry );
2890 return list;
2891 }
2892
2893 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2894 {
2895 if (stmt->type == STMT_DECLARATION)
2896 {
2897 var_t *var = stmt->u.var;
2898 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2899 {
2900 check_function_attrs(var->name, var->type->attrs);
2901 return append_func(list, make_func(stmt->u.var));
2902 }
2903 }
2904 return list;
2905 }
2906
2907 void init_loc_info(loc_info_t *i)
2908 {
2909 i->input_name = input_name ? input_name : "stdin";
2910 i->line_number = line_number;
2911 i->near_text = parser_text;
2912 }
2913
2914 static void check_def(const type_t *t)
2915 {
2916 if (t->defined)
2917 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2918 t->name, t->loc_info.input_name, t->loc_info.line_number);
2919 }