?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
widl: Allow enum and union tags to be used without being defined.
[wine/wine-gecko.git] / tools / widl / parser.y
blob816d5e1a777008f092baee378d4cc02400416565
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
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 unsigned char pointer_default = RPC_FC_UP;
69 static int is_object_interface = FALSE;
70
71 typedef struct list typelist_t;
72 struct typenode {
73 type_t *type;
74 struct list entry;
75 };
76
77 struct _import_t
78 {
79 char *name;
80 int import_performed;
81 };
82
83 typedef struct _decl_spec_t
84 {
85 type_t *type;
86 attr_list_t *attrs;
87 enum storage_class stgclass;
88 } decl_spec_t;
89
90 typelist_t incomplete_types = LIST_INIT(incomplete_types);
91
92 static void add_incomplete(type_t *t);
93 static void fix_incomplete(void);
94 static void fix_incomplete_types(type_t *complete_type);
95
96 static str_list_t *append_str(str_list_t *list, char *str);
97 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
98 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
99 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);
100 static attr_t *make_attr(enum attr_type type);
101 static attr_t *make_attrv(enum attr_type type, unsigned long val);
102 static attr_t *make_attrp(enum attr_type type, void *val);
103 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
104 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
105 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
106 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
107 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
108 static ifref_t *make_ifref(type_t *iface);
109 static var_list_t *append_var(var_list_t *list, var_t *var);
110 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
111 static var_t *make_var(char *name);
112 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
113 static declarator_t *make_declarator(var_t *var);
114 static func_list_t *append_func(func_list_t *list, func_t *func);
115 static func_t *make_func(var_t *def);
116 static type_t *make_safearray(type_t *type);
117 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
118 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
119
120 static type_t *type_new_enum(const char *name, int defined, var_list_t *enums);
121 static type_t *type_new_struct(char *name, int defined, var_list_t *fields);
122 static type_t *type_new_nonencapsulated_union(const char *name, int defined, var_list_t *fields);
123 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases);
124
125 static type_t *reg_type(type_t *type, const char *name, int t);
126 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
127 static type_t *find_type_or_error(const char *name, int t);
128 static type_t *find_type_or_error2(char *name, int t);
129 static type_t *get_type(enum type_type type, char *name, int t);
130
131 static var_t *reg_const(var_t *var);
132
133 static char *gen_name(void);
134 static void check_arg(var_t *arg);
135 static void check_statements(const statement_list_t *stmts, int is_inside_library);
136 static void check_all_user_types(const statement_list_t *stmts);
137 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
138 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
139 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
140 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
141 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
142 static attr_list_t *check_union_attrs(attr_list_t *attrs);
143 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
144 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
145 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
146 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
147 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
148 const char *get_attr_display_name(enum attr_type type);
149 static void add_explicit_handle_if_necessary(var_t *func);
150 static void check_def(const type_t *t);
151
152 static statement_t *make_statement(enum statement_type type);
153 static statement_t *make_statement_type_decl(type_t *type);
154 static statement_t *make_statement_reference(type_t *type);
155 static statement_t *make_statement_declaration(var_t *var);
156 static statement_t *make_statement_library(typelib_t *typelib);
157 static statement_t *make_statement_cppquote(const char *str);
158 static statement_t *make_statement_importlib(const char *str);
159 static statement_t *make_statement_module(type_t *type);
160 static statement_t *make_statement_typedef(var_list_t *names);
161 static statement_t *make_statement_import(const char *str);
162 static statement_t *make_statement_typedef(var_list_t *names);
163 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
164
165 #define tsENUM 1
166 #define tsSTRUCT 2
167 #define tsUNION 3
168
169 %}
170 %union {
171 attr_t *attr;
172 attr_list_t *attr_list;
173 str_list_t *str_list;
174 expr_t *expr;
175 expr_list_t *expr_list;
176 array_dims_t *array_dims;
177 type_t *type;
178 var_t *var;
179 var_list_t *var_list;
180 declarator_t *declarator;
181 declarator_list_t *declarator_list;
182 func_t *func;
183 func_list_t *func_list;
184 statement_t *statement;
185 statement_list_t *stmt_list;
186 ifref_t *ifref;
187 ifref_list_t *ifref_list;
188 char *str;
189 UUID *uuid;
190 unsigned int num;
191 double dbl;
192 interface_info_t ifinfo;
193 typelib_t *typelib;
194 struct _import_t *import;
195 struct _decl_spec_t *declspec;
196 enum storage_class stgclass;
197 }
198
199 %token <str> aIDENTIFIER
200 %token <str> aKNOWNTYPE
201 %token <num> aNUM aHEXNUM
202 %token <dbl> aDOUBLE
203 %token <str> aSTRING aWSTRING
204 %token <uuid> aUUID
205 %token aEOF
206 %token SHL SHR
207 %token MEMBERPTR
208 %token EQUALITY INEQUALITY
209 %token GREATEREQUAL LESSEQUAL
210 %token LOGICALOR LOGICALAND
211 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
212 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
213 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
214 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
215 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
216 %token tDEFAULT
217 %token tDEFAULTCOLLELEM
218 %token tDEFAULTVALUE
219 %token tDEFAULTVTABLE
220 %token tDISPLAYBIND
221 %token tDISPINTERFACE
222 %token tDLLNAME tDOUBLE tDUAL
223 %token tENDPOINT
224 %token tENTRY tENUM tERRORSTATUST
225 %token tEXPLICITHANDLE tEXTERN
226 %token tFALSE
227 %token tFASTCALL
228 %token tFLOAT
229 %token tHANDLE
230 %token tHANDLET
231 %token tHELPCONTEXT tHELPFILE
232 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
233 %token tHIDDEN
234 %token tHYPER tID tIDEMPOTENT
235 %token tIIDIS
236 %token tIMMEDIATEBIND
237 %token tIMPLICITHANDLE
238 %token tIMPORT tIMPORTLIB
239 %token tIN tIN_LINE tINLINE
240 %token tINPUTSYNC
241 %token tINT tINT64
242 %token tINTERFACE
243 %token tLCID
244 %token tLENGTHIS tLIBRARY
245 %token tLOCAL
246 %token tLONG
247 %token tMETHODS
248 %token tMODULE
249 %token tNONBROWSABLE
250 %token tNONCREATABLE
251 %token tNONEXTENSIBLE
252 %token tNULL
253 %token tOBJECT tODL tOLEAUTOMATION
254 %token tOPTIONAL
255 %token tOUT
256 %token tPASCAL
257 %token tPOINTERDEFAULT
258 %token tPROPERTIES
259 %token tPROPGET tPROPPUT tPROPPUTREF
260 %token tPTR
261 %token tPUBLIC
262 %token tRANGE
263 %token tREADONLY tREF
264 %token tREGISTER
265 %token tREQUESTEDIT
266 %token tRESTRICTED
267 %token tRETVAL
268 %token tSAFEARRAY
269 %token tSHORT
270 %token tSIGNED
271 %token tSIZEIS tSIZEOF
272 %token tSMALL
273 %token tSOURCE
274 %token tSTATIC
275 %token tSTDCALL
276 %token tSTRICTCONTEXTHANDLE
277 %token tSTRING tSTRUCT
278 %token tSWITCH tSWITCHIS tSWITCHTYPE
279 %token tTRANSMITAS
280 %token tTRUE
281 %token tTYPEDEF
282 %token tUNION
283 %token tUNIQUE
284 %token tUNSIGNED
285 %token tUUID
286 %token tV1ENUM
287 %token tVARARG
288 %token tVERSION
289 %token tVOID
290 %token tWCHAR tWIREMARSHAL
291
292 %type <attr> attribute type_qualifier function_specifier
293 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
294 %type <str_list> str_list
295 %type <expr> m_expr expr expr_const expr_int_const array
296 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
297 %type <ifinfo> interfacehdr
298 %type <stgclass> storage_cls_spec
299 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
300 %type <type> inherit interface interfacedef interfacedec
301 %type <type> dispinterface dispinterfacehdr dispinterfacedef
302 %type <type> module modulehdr moduledef
303 %type <type> base_type int_std
304 %type <type> enumdef structdef uniondef typedecl
305 %type <type> type
306 %type <ifref> coclass_int
307 %type <ifref_list> coclass_ints
308 %type <var> arg ne_union_field union_field s_field case enum declaration
309 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
310 %type <var> m_ident ident
311 %type <declarator> declarator direct_declarator init_declarator
312 %type <declarator_list> declarator_list
313 %type <func> funcdef
314 %type <type> coclass coclasshdr coclassdef
315 %type <num> pointer_type version
316 %type <str> libraryhdr callconv cppquote importlib import t_ident
317 %type <uuid> uuid_string
318 %type <import> import_start
319 %type <typelib> library_start librarydef
320 %type <statement> statement typedef
321 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
322
323 %left ','
324 %right '?' ':'
325 %left LOGICALOR
326 %left LOGICALAND
327 %left '|'
328 %left '^'
329 %left '&'
330 %left EQUALITY INEQUALITY
331 %left '<' '>' LESSEQUAL GREATEREQUAL
332 %left SHL SHR
333 %left '-' '+'
334 %left '*' '/' '%'
335 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
336 %left '.' MEMBERPTR '[' ']'
337
338 %%
339
340 input: gbl_statements { fix_incomplete();
341 check_statements($1, FALSE);
342 check_all_user_types($1);
343 write_header($1);
344 write_id_data($1);
345 write_proxies($1);
346 write_client($1);
347 write_server($1);
348 write_dlldata($1);
349 write_local_stubs($1);
350 }
351 ;
352
353 gbl_statements: { $$ = NULL; }
354 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
355 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
356 | gbl_statements coclass ';' { $$ = $1;
357 reg_type($2, $2->name, 0);
358 }
359 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
360 reg_type($2, $2->name, 0);
361 }
362 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
363 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
364 | gbl_statements statement { $$ = append_statement($1, $2); }
365 ;
366
367 imp_statements: { $$ = NULL; }
368 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
369 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
370 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
371 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
372 reg_type($2, $2->name, 0);
373 }
374 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
375 | imp_statements statement { $$ = append_statement($1, $2); }
376 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
377 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
378 ;
379
380 int_statements: { $$ = NULL; }
381 | int_statements statement { $$ = append_statement($1, $2); }
382 ;
383
384 semicolon_opt:
385 | ';'
386 ;
387
388 statement:
389 cppquote { $$ = make_statement_cppquote($1); }
390 | typedecl ';' { $$ = make_statement_type_decl($1); }
391 | declaration ';' { $$ = make_statement_declaration($1); }
392 | import { $$ = make_statement_import($1); }
393 | typedef ';' { $$ = $1; }
394 ;
395
396 typedecl:
397 enumdef
398 | structdef
399 | uniondef
400 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
401 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
402 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
403 ;
404
405 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
406 ;
407 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
408 $$ = xmalloc(sizeof(struct _import_t));
409 $$->name = $2;
410 $$->import_performed = do_import($2);
411 if (!$$->import_performed) yychar = aEOF;
412 }
413 ;
414
415 import: import_start imp_statements aEOF { $$ = $1->name;
416 if ($1->import_performed) pop_import();
417 free($1);
418 }
419 ;
420
421 importlib: tIMPORTLIB '(' aSTRING ')'
422 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
423 ;
424
425 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
426 ;
427 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
428 if (!parse_only) start_typelib($$);
429 }
430 ;
431 librarydef: library_start imp_statements '}'
432 semicolon_opt { $$ = $1;
433 $$->stmts = $2;
434 if (!parse_only) end_typelib();
435 }
436 ;
437
438 m_args: { $$ = NULL; }
439 | args
440 ;
441
442 no_args: tVOID { $$ = NULL; }
443 ;
444
445 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
446 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
447 | no_args
448 ;
449
450 /* split into two rules to get bison to resolve a tVOID conflict */
451 arg: attributes decl_spec declarator { $$ = $3->var;
452 $$->attrs = $1;
453 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
454 error_loc("invalid storage class for function parameter\n");
455 set_type($$, $2, $3, TRUE);
456 free($3);
457 }
458 | decl_spec declarator { $$ = $2->var;
459 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
460 error_loc("invalid storage class for function parameter\n");
461 set_type($$, $1, $2, TRUE);
462 free($2);
463 }
464 ;
465
466 array: '[' m_expr ']' { $$ = $2; }
467 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
468 ;
469
470 m_attributes: { $$ = NULL; }
471 | attributes
472 ;
473
474 attributes:
475 '[' attrib_list ']' { $$ = $2; }
476 ;
477
478 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
479 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
480 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
481 ;
482
483 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
484 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
485 ;
486
487 attribute: { $$ = NULL; }
488 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
489 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
490 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
491 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
492 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
493 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
494 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
495 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
496 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
497 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
498 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
499 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
500 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
501 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
502 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
503 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
504 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
505 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
506 | tDUAL { $$ = make_attr(ATTR_DUAL); }
507 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
508 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
509 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
510 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
511 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
512 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
513 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
514 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
515 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
516 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
517 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
518 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
519 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
520 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
521 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
522 | tIN { $$ = make_attr(ATTR_IN); }
523 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
524 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
525 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
526 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
527 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
528 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
529 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
530 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
531 | tODL { $$ = make_attr(ATTR_ODL); }
532 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
533 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
534 | tOUT { $$ = make_attr(ATTR_OUT); }
535 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
536 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
537 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
538 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
539 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
540 | tRANGE '(' expr_int_const ',' expr_int_const ')'
541 { expr_list_t *list = append_expr( NULL, $3 );
542 list = append_expr( list, $5 );
543 $$ = make_attrp(ATTR_RANGE, list); }
544 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
545 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
546 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
547 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
548 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
549 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
550 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
551 | tSTRING { $$ = make_attr(ATTR_STRING); }
552 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
553 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
554 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
555 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
556 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
557 | tVARARG { $$ = make_attr(ATTR_VARARG); }
558 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
559 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
560 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
561 ;
562
563 uuid_string:
564 aUUID
565 | aSTRING { if (!is_valid_uuid($1))
566 error_loc("invalid UUID: %s\n", $1);
567 $$ = parse_uuid($1); }
568 ;
569
570 callconv: tCDECL { $$ = $<str>1; }
571 | tFASTCALL { $$ = $<str>1; }
572 | tPASCAL { $$ = $<str>1; }
573 | tSTDCALL { $$ = $<str>1; }
574 ;
575
576 cases: { $$ = NULL; }
577 | cases case { $$ = append_var( $1, $2 ); }
578 ;
579
580 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
581 $$ = $4; if (!$$) $$ = make_var(NULL);
582 $$->attrs = append_attr( $$->attrs, a );
583 }
584 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
585 $$ = $3; if (!$$) $$ = make_var(NULL);
586 $$->attrs = append_attr( $$->attrs, a );
587 }
588 ;
589
590 enums: { $$ = NULL; }
591 | enum_list ',' { $$ = $1; }
592 | enum_list
593 ;
594
595 enum_list: enum { if (!$1->eval)
596 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
597 $$ = append_var( NULL, $1 );
598 }
599 | enum_list ',' enum { if (!$3->eval)
600 {
601 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
602 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
603 }
604 $$ = append_var( $1, $3 );
605 }
606 ;
607
608 enum: ident '=' expr_int_const { $$ = reg_const($1);
609 $$->eval = $3;
610 $$->type = type_new_int(TYPE_BASIC_INT, 0);
611 }
612 | ident { $$ = reg_const($1);
613 $$->type = type_new_int(TYPE_BASIC_INT, 0);
614 }
615 ;
616
617 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
618 ;
619
620 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
621 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
622 ;
623
624 /*
625 exprs: { $$ = make_expr(EXPR_VOID); }
626 | expr_list
627 ;
628
629 expr_list: expr
630 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
631 ;
632 */
633
634 m_expr: { $$ = make_expr(EXPR_VOID); }
635 | expr
636 ;
637
638 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
639 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
640 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
641 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
642 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
643 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
644 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
645 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
646 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
647 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
648 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
649 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
650 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
651 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
652 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
653 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
654 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
655 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
656 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
657 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
658 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
659 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
660 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
661 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
662 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
663 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
664 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
665 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
666 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
667 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
668 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
669 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
670 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
671 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
672 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
673 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
674 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
675 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
676 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
677 | '(' expr ')' { $$ = $2; }
678 ;
679
680 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
681 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
682 ;
683
684 expr_int_const: expr { $$ = $1;
685 if (!$$->is_const)
686 error_loc("expression is not an integer constant\n");
687 }
688 ;
689
690 expr_const: expr { $$ = $1;
691 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
692 error_loc("expression is not constant\n");
693 }
694 ;
695
696 fields: { $$ = NULL; }
697 | fields field { $$ = append_var_list($1, $2); }
698 ;
699
700 field: m_attributes decl_spec declarator_list ';'
701 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
702 check_field_attrs(first, $1);
703 $$ = set_var_types($1, $2, $3);
704 }
705 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
706 v->type = $2; v->attrs = $1;
707 $$ = append_var(NULL, v);
708 }
709 ;
710
711 ne_union_field:
712 s_field ';' { $$ = $1; }
713 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
714 ;
715
716 ne_union_fields: { $$ = NULL; }
717 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
718 ;
719
720 union_field:
721 s_field ';' { $$ = $1; }
722 | ';' { $$ = NULL; }
723 ;
724
725 s_field: m_attributes decl_spec declarator { $$ = $3->var;
726 $$->attrs = check_field_attrs($$->name, $1);
727 set_type($$, $2, $3, FALSE);
728 free($3);
729 }
730 ;
731
732 funcdef:
733 m_attributes decl_spec declarator { var_t *v = $3->var;
734 v->attrs = check_function_attrs(v->name, $1);
735 set_type(v, $2, $3, FALSE);
736 free($3);
737 $$ = make_func(v);
738 }
739 ;
740
741 declaration:
742 attributes decl_spec init_declarator
743 { $$ = $3->var;
744 $$->attrs = $1;
745 set_type($$, $2, $3, FALSE);
746 free($3);
747 }
748 | decl_spec init_declarator { $$ = $2->var;
749 set_type($$, $1, $2, FALSE);
750 free($2);
751 }
752 ;
753
754 m_ident: { $$ = NULL; }
755 | ident
756 ;
757
758 t_ident: { $$ = NULL; }
759 | aIDENTIFIER { $$ = $1; }
760 | aKNOWNTYPE { $$ = $1; }
761 ;
762
763 ident: aIDENTIFIER { $$ = make_var($1); }
764 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
765 | aKNOWNTYPE { $$ = make_var($<str>1); }
766 ;
767
768 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
769 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
770 | int_std
771 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
772 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
773 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
774 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
775 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
776 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
777 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
778 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
779 ;
780
781 m_int:
782 | tINT
783 ;
784
785 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
786 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
787 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
788 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
789 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
790 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
791 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
792 ;
793
794 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
795 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
796 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
797 error_loc("%s was not declared a coclass at %s:%d\n",
798 $2, $$->loc_info.input_name,
799 $$->loc_info.line_number);
800 }
801 ;
802
803 coclasshdr: attributes coclass { $$ = $2;
804 check_def($$);
805 $$->attrs = check_coclass_attrs($2->name, $1);
806 }
807 ;
808
809 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
810 { $$ = type_coclass_define($1, $3); }
811 ;
812
813 coclass_ints: { $$ = NULL; }
814 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
815 ;
816
817 coclass_int:
818 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
819 ;
820
821 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
822 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
823 ;
824
825 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
826 is_object_interface = TRUE;
827 $$ = $2;
828 check_def($$);
829 attrs = make_attr(ATTR_DISPINTERFACE);
830 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
831 $$->defined = TRUE;
832 }
833 ;
834
835 dispint_props: tPROPERTIES ':' { $$ = NULL; }
836 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
837 ;
838
839 dispint_meths: tMETHODS ':' { $$ = NULL; }
840 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
841 ;
842
843 dispinterfacedef: dispinterfacehdr '{'
844 dispint_props
845 dispint_meths
846 '}' { $$ = $1;
847 type_dispinterface_define($$, $3, $4);
848 }
849 | dispinterfacehdr
850 '{' interface ';' '}' { $$ = $1;
851 type_dispinterface_define_from_iface($$, $3);
852 }
853 ;
854
855 inherit: { $$ = NULL; }
856 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
857 ;
858
859 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
860 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
861 ;
862
863 interfacehdr: attributes interface { $$.interface = $2;
864 $$.old_pointer_default = pointer_default;
865 if (is_attr($1, ATTR_POINTERDEFAULT))
866 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
867 is_object_interface = is_object($1);
868 check_def($2);
869 $2->attrs = check_iface_attrs($2->name, $1);
870 $2->defined = TRUE;
871 }
872 ;
873
874 interfacedef: interfacehdr inherit
875 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
876 type_interface_define($$, $2, $4);
877 pointer_default = $1.old_pointer_default;
878 }
879 /* MIDL is able to import the definition of a base class from inside the
880 * definition of a derived class, I'll try to support it with this rule */
881 | interfacehdr ':' aIDENTIFIER
882 '{' import int_statements '}'
883 semicolon_opt { $$ = $1.interface;
884 type_interface_define($$, find_type_or_error2($3, 0), $6);
885 pointer_default = $1.old_pointer_default;
886 }
887 | dispinterfacedef semicolon_opt { $$ = $1; }
888 ;
889
890 interfacedec:
891 interface ';' { $$ = $1; }
892 | dispinterface ';' { $$ = $1; }
893 ;
894
895 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
896 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
897 ;
898
899 modulehdr: attributes module { $$ = $2;
900 $$->attrs = check_module_attrs($2->name, $1);
901 }
902 ;
903
904 moduledef: modulehdr '{' int_statements '}'
905 semicolon_opt { $$ = $1;
906 type_module_define($$, $3);
907 }
908 ;
909
910 storage_cls_spec:
911 tEXTERN { $$ = STG_EXTERN; }
912 | tSTATIC { $$ = STG_STATIC; }
913 | tREGISTER { $$ = STG_REGISTER; }
914 ;
915
916 function_specifier:
917 tINLINE { $$ = make_attr(ATTR_INLINE); }
918 ;
919
920 type_qualifier:
921 tCONST { $$ = make_attr(ATTR_CONST); }
922 ;
923
924 m_type_qual_list: { $$ = NULL; }
925 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
926 ;
927
928 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
929 | decl_spec_no_type type m_decl_spec_no_type
930 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
931 ;
932
933 m_decl_spec_no_type: { $$ = NULL; }
934 | decl_spec_no_type
935 ;
936
937 decl_spec_no_type:
938 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
939 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
940 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
941 ;
942
943 declarator:
944 '*' m_type_qual_list declarator %prec PPTR
945 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(NULL, $2)); }
946 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
947 | direct_declarator
948 ;
949
950 direct_declarator:
951 ident { $$ = make_declarator($1); }
952 | '(' declarator ')' { $$ = $2; }
953 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
954 | direct_declarator '(' m_args ')' { $$ = $1;
955 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
956 $$->type = NULL;
957 }
958 ;
959
960 declarator_list:
961 declarator { $$ = append_declarator( NULL, $1 ); }
962 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
963 ;
964
965 init_declarator:
966 declarator { $$ = $1; }
967 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
968 ;
969
970 pointer_type:
971 tREF { $$ = RPC_FC_RP; }
972 | tUNIQUE { $$ = RPC_FC_UP; }
973 | tPTR { $$ = RPC_FC_FP; }
974 ;
975
976 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
977 ;
978
979 type: tVOID { $$ = type_new_void(); }
980 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
981 | base_type { $$ = $1; }
982 | enumdef { $$ = $1; }
983 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
984 | structdef { $$ = $1; }
985 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
986 | uniondef { $$ = $1; }
987 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
988 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
989 ;
990
991 typedef: tTYPEDEF m_attributes decl_spec declarator_list
992 { reg_typedefs($3, $4, check_typedef_attrs($2));
993 $$ = make_statement_typedef($4);
994 }
995 ;
996
997 uniondef: tUNION t_ident '{' ne_union_fields '}'
998 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
999 | tUNION t_ident
1000 tSWITCH '(' s_field ')'
1001 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1002 ;
1003
1004 version:
1005 aNUM { $$ = MAKEVERSION($1, 0); }
1006 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1007 ;
1008
1009 %%
1010
1011 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1012 {
1013 type_t *t = type_new_basic(type);
1014 reg_type(t, name, 0);
1015 }
1016
1017 static void decl_builtin_alias(const char *name, type_t *t)
1018 {
1019 reg_type(type_new_alias(t, name), name, 0);
1020 }
1021
1022 void init_types(void)
1023 {
1024 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1025 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1026 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1027 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1028 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1029 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1030 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1031 }
1032
1033 static str_list_t *append_str(str_list_t *list, char *str)
1034 {
1035 struct str_list_entry_t *entry;
1036
1037 if (!str) return list;
1038 if (!list)
1039 {
1040 list = xmalloc( sizeof(*list) );
1041 list_init( list );
1042 }
1043 entry = xmalloc( sizeof(*entry) );
1044 entry->str = str;
1045 list_add_tail( list, &entry->entry );
1046 return list;
1047 }
1048
1049 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1050 {
1051 attr_t *attr_existing;
1052 if (!attr) return list;
1053 if (!list)
1054 {
1055 list = xmalloc( sizeof(*list) );
1056 list_init( list );
1057 }
1058 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1059 if (attr_existing->type == attr->type)
1060 {
1061 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1062 /* use the last attribute, like MIDL does */
1063 list_remove(&attr_existing->entry);
1064 break;
1065 }
1066 list_add_tail( list, &attr->entry );
1067 return list;
1068 }
1069
1070 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1071 {
1072 attr_t *attr;
1073 if (!src) return dst;
1074 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1075 if (attr->type == type)
1076 {
1077 list_remove(&attr->entry);
1078 return append_attr(dst, attr);
1079 }
1080 return dst;
1081 }
1082
1083 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1084 {
1085 struct list *entry;
1086
1087 if (!old_list) return new_list;
1088
1089 while ((entry = list_head(old_list)))
1090 {
1091 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1092 list_remove(entry);
1093 new_list = append_attr(new_list, attr);
1094 }
1095 return new_list;
1096 }
1097
1098 static attr_list_t *dupattrs(const attr_list_t *list)
1099 {
1100 attr_list_t *new_list;
1101 const attr_t *attr;
1102
1103 if (!list) return NULL;
1104
1105 new_list = xmalloc( sizeof(*list) );
1106 list_init( new_list );
1107 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1108 {
1109 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1110 *new_attr = *attr;
1111 list_add_tail(new_list, &new_attr->entry);
1112 }
1113 return new_list;
1114 }
1115
1116 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)
1117 {
1118 decl_spec_t *declspec = left ? left : right;
1119 if (!declspec)
1120 {
1121 declspec = xmalloc(sizeof(*declspec));
1122 declspec->type = NULL;
1123 declspec->attrs = NULL;
1124 declspec->stgclass = STG_NONE;
1125 }
1126 declspec->type = type;
1127 if (left && declspec != left)
1128 {
1129 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1130 if (declspec->stgclass == STG_NONE)
1131 declspec->stgclass = left->stgclass;
1132 else if (left->stgclass != STG_NONE)
1133 error_loc("only one storage class can be specified\n");
1134 assert(!left->type);
1135 free(left);
1136 }
1137 if (right && declspec != right)
1138 {
1139 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1140 if (declspec->stgclass == STG_NONE)
1141 declspec->stgclass = right->stgclass;
1142 else if (right->stgclass != STG_NONE)
1143 error_loc("only one storage class can be specified\n");
1144 assert(!right->type);
1145 free(right);
1146 }
1147
1148 declspec->attrs = append_attr(declspec->attrs, attr);
1149 if (declspec->stgclass == STG_NONE)
1150 declspec->stgclass = stgclass;
1151 else if (stgclass != STG_NONE)
1152 error_loc("only one storage class can be specified\n");
1153
1154 /* apply attributes to type */
1155 if (type && declspec->attrs)
1156 {
1157 attr_list_t *attrs;
1158 declspec->type = duptype(type, 1);
1159 attrs = dupattrs(type->attrs);
1160 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1161 declspec->attrs = NULL;
1162 }
1163
1164 return declspec;
1165 }
1166
1167 static attr_t *make_attr(enum attr_type type)
1168 {
1169 attr_t *a = xmalloc(sizeof(attr_t));
1170 a->type = type;
1171 a->u.ival = 0;
1172 return a;
1173 }
1174
1175 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1176 {
1177 attr_t *a = xmalloc(sizeof(attr_t));
1178 a->type = type;
1179 a->u.ival = val;
1180 return a;
1181 }
1182
1183 static attr_t *make_attrp(enum attr_type type, void *val)
1184 {
1185 attr_t *a = xmalloc(sizeof(attr_t));
1186 a->type = type;
1187 a->u.pval = val;
1188 return a;
1189 }
1190
1191 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1192 {
1193 if (!expr) return list;
1194 if (!list)
1195 {
1196 list = xmalloc( sizeof(*list) );
1197 list_init( list );
1198 }
1199 list_add_tail( list, &expr->entry );
1200 return list;
1201 }
1202
1203 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1204 {
1205 if (!expr) return list;
1206 if (!list)
1207 {
1208 list = xmalloc( sizeof(*list) );
1209 list_init( list );
1210 }
1211 list_add_tail( list, &expr->entry );
1212 return list;
1213 }
1214
1215 static struct list type_pool = LIST_INIT(type_pool);
1216 typedef struct
1217 {
1218 type_t data;
1219 struct list link;
1220 } type_pool_node_t;
1221
1222 type_t *alloc_type(void)
1223 {
1224 type_pool_node_t *node = xmalloc(sizeof *node);
1225 list_add_tail(&type_pool, &node->link);
1226 return &node->data;
1227 }
1228
1229 void set_all_tfswrite(int val)
1230 {
1231 type_pool_node_t *node;
1232 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1233 node->data.tfswrite = val;
1234 }
1235
1236 void clear_all_offsets(void)
1237 {
1238 type_pool_node_t *node;
1239 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1240 node->data.typestring_offset = node->data.ptrdesc = 0;
1241 }
1242
1243 static type_t *type_new_enum(const char *name, int defined, var_list_t *enums)
1244 {
1245 type_t *tag_type = name ? find_type(name, tsENUM) : NULL;
1246 type_t *t = make_type(TYPE_ENUM);
1247 t->name = name;
1248
1249 if (tag_type && tag_type->details.enumeration)
1250 t->details.enumeration = tag_type->details.enumeration;
1251 else if (defined)
1252 {
1253 t->details.enumeration = xmalloc(sizeof(*t->details.enumeration));
1254 t->details.enumeration->enums = enums;
1255 t->defined = TRUE;
1256 }
1257
1258 if (name)
1259 {
1260 if (defined)
1261 reg_type(t, name, tsENUM);
1262 else
1263 add_incomplete(t);
1264 }
1265 return t;
1266 }
1267
1268 static type_t *type_new_struct(char *name, int defined, var_list_t *fields)
1269 {
1270 type_t *tag_type = name ? find_type(name, tsSTRUCT) : NULL;
1271 type_t *t = make_type(TYPE_STRUCT);
1272 t->name = name;
1273 if (defined || (tag_type && tag_type->details.structure))
1274 {
1275 if (tag_type && tag_type->details.structure)
1276 t->details.structure = tag_type->details.structure;
1277 else if (defined)
1278 {
1279 t->details.structure = xmalloc(sizeof(*t->details.structure));
1280 t->details.structure->fields = fields;
1281 t->defined = TRUE;
1282 }
1283 }
1284 if (name)
1285 {
1286 if (fields)
1287 reg_type(t, name, tsSTRUCT);
1288 else
1289 add_incomplete(t);
1290 }
1291 return t;
1292 }
1293
1294 static type_t *type_new_nonencapsulated_union(const char *name, int defined, var_list_t *fields)
1295 {
1296 type_t *tag_type = name ? find_type(name, tsUNION) : NULL;
1297 type_t *t = make_type(TYPE_UNION);
1298 t->name = name;
1299 if (tag_type && tag_type->details.structure)
1300 t->details.structure = tag_type->details.structure;
1301 else if (defined)
1302 {
1303 t->details.structure = xmalloc(sizeof(*t->details.structure));
1304 t->details.structure->fields = fields;
1305 t->defined = TRUE;
1306 }
1307 if (name)
1308 {
1309 if (defined)
1310 reg_type(t, name, tsUNION);
1311 else
1312 add_incomplete(t);
1313 }
1314 return t;
1315 }
1316
1317 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases)
1318 {
1319 type_t *t = get_type(TYPE_ENCAPSULATED_UNION, name, tsUNION);
1320 if (!union_field) union_field = make_var( xstrdup("tagged_union") );
1321 union_field->type = make_type(TYPE_UNION);
1322 union_field->type->details.structure = xmalloc(sizeof(*union_field->type->details.structure));
1323 union_field->type->details.structure->fields = cases;
1324 union_field->type->defined = TRUE;
1325 t->details.structure = xmalloc(sizeof(*t->details.structure));
1326 t->details.structure->fields = append_var( NULL, switch_field );
1327 t->details.structure->fields = append_var( t->details.structure->fields, union_field );
1328 t->defined = TRUE;
1329 return t;
1330 }
1331
1332 static void type_function_add_head_arg(type_t *type, var_t *arg)
1333 {
1334 if (!type->details.function->args)
1335 {
1336 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1337 list_init( type->details.function->args );
1338 }
1339 list_add_head( type->details.function->args, &arg->entry );
1340 }
1341
1342 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1343 {
1344 type_t *ptrchain_type;
1345 if (!ptrchain)
1346 return type;
1347 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1348 ;
1349 assert(ptrchain_type->type_type == TYPE_POINTER);
1350 ptrchain_type->details.pointer.ref = type;
1351 return ptrchain;
1352 }
1353
1354 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1355 int top)
1356 {
1357 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1358 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1359 int sizeless;
1360 expr_t *dim;
1361 type_t **ptype;
1362 array_dims_t *arr = decl ? decl->array : NULL;
1363 type_t *func_type = decl ? decl->func_type : NULL;
1364 type_t *type = decl_spec->type;
1365
1366 if (is_attr(type->attrs, ATTR_INLINE))
1367 {
1368 if (!func_type)
1369 error_loc("inline attribute applied to non-function type\n");
1370 else
1371 {
1372 type_t *t;
1373 /* move inline attribute from return type node to function node */
1374 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1375 ;
1376 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1377 }
1378 }
1379
1380 /* add type onto the end of the pointers in pident->type */
1381 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1382 v->stgclass = decl_spec->stgclass;
1383
1384 /* the highest level of pointer specified should default to the var's ptr attr
1385 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1386 * pointer_default so we need to fix that up here */
1387 if (!arr)
1388 {
1389 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1390 const type_t *ptr = NULL;
1391 /* pointer attributes on the left side of the type belong to the function
1392 * pointer, if one is being declared */
1393 type_t **pt = func_type ? &func_type : &v->type;
1394 for (ptr = *pt; ptr && !ptr_attr; )
1395 {
1396 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1397 if (!ptr_attr && type_is_alias(ptr))
1398 ptr = type_alias_get_aliasee(ptr);
1399 else
1400 break;
1401 }
1402 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1403 {
1404 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1405 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1406 warning_loc_info(&v->loc_info,
1407 "%s: pointer attribute applied to interface "
1408 "pointer type has no effect\n", v->name);
1409 if (top && !ptr_attr)
1410 ptr_attr = RPC_FC_RP;
1411 if (ptr_attr != (*pt)->details.pointer.fc)
1412 {
1413 /* create new type to avoid changing original type */
1414 /* FIXME: this is a horrible hack - we might be changing the pointer
1415 * type of an alias here, so we also need corresponding hacks in
1416 * get_pointer_fc to handle this. The type of pointer that the type
1417 * ends up having is context sensitive and so we shouldn't be
1418 * setting it here, but rather determining it when it is used. */
1419 *pt = duptype(*pt, 1);
1420 (*pt)->details.pointer.fc = ptr_attr;
1421 }
1422 }
1423 else if (ptr_attr)
1424 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1425 }
1426
1427 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1428 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1429 v->name);
1430
1431 if (is_attr(v->attrs, ATTR_V1ENUM))
1432 {
1433 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1434 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1435 }
1436
1437 ptype = &v->type;
1438 sizeless = FALSE;
1439 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1440 {
1441 if (sizeless)
1442 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1443
1444 if (dim->is_const)
1445 {
1446 if (dim->cval <= 0)
1447 error_loc("%s: array dimension must be positive\n", v->name);
1448
1449 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1450 if (0)
1451 {
1452 unsigned int align = 0;
1453 unsigned int size = type_memsize(v->type, &align);
1454
1455 if (0xffffffffu / size < dim->cval)
1456 error_loc("%s: total array size is too large\n", v->name);
1457 }
1458 }
1459 else
1460 sizeless = TRUE;
1461
1462 *ptype = type_new_array(NULL, *ptype, FALSE,
1463 dim->is_const ? dim->cval : 0,
1464 dim->is_const ? NULL : dim, NULL);
1465 }
1466
1467 ptype = &v->type;
1468 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1469 {
1470 if (dim->type != EXPR_VOID)
1471 {
1472 if (is_array(*ptype))
1473 {
1474 if (type_array_get_conformance(*ptype)->is_const)
1475 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1476 else
1477 *ptype = type_new_array((*ptype)->name,
1478 type_array_get_element(*ptype), FALSE,
1479 0, dim, NULL);
1480 }
1481 else if (is_ptr(*ptype))
1482 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1483 0, dim, NULL);
1484 else
1485 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1486 }
1487
1488 if (is_ptr(*ptype))
1489 ptype = &(*ptype)->details.pointer.ref;
1490 else if (is_array(*ptype))
1491 ptype = &(*ptype)->details.array.elem;
1492 else
1493 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1494 }
1495
1496 ptype = &v->type;
1497 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1498 {
1499 if (dim->type != EXPR_VOID)
1500 {
1501 if (is_array(*ptype))
1502 {
1503 *ptype = type_new_array((*ptype)->name,
1504 type_array_get_element(*ptype),
1505 type_array_is_decl_as_ptr(*ptype),
1506 type_array_get_dim(*ptype),
1507 type_array_get_conformance(*ptype),
1508 dim);
1509 }
1510 else
1511 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1512 }
1513
1514 if (is_ptr(*ptype))
1515 ptype = &(*ptype)->details.pointer.ref;
1516 else if (is_array(*ptype))
1517 ptype = &(*ptype)->details.array.elem;
1518 else
1519 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1520 }
1521
1522 /* v->type is currently pointing to the type on the left-side of the
1523 * declaration, so we need to fix this up so that it is the return type of the
1524 * function and make v->type point to the function side of the declaration */
1525 if (func_type)
1526 {
1527 type_t *ft, *t;
1528 type_t *return_type = v->type;
1529 v->type = func_type;
1530 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1531 ;
1532 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1533 ft->details.function->rettype = return_type;
1534 /* move calling convention attribute, if present, from pointer nodes to
1535 * function node */
1536 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1537 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1538 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1539 {
1540 static char *stdmethodcalltype;
1541 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1542 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1543 }
1544 }
1545 else
1546 {
1547 type_t *t;
1548 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1549 if (is_attr(t->attrs, ATTR_CALLCONV))
1550 error_loc("calling convention applied to non-function-pointer type\n");
1551 }
1552 }
1553
1554 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1555 {
1556 declarator_t *decl, *next;
1557 var_list_t *var_list = NULL;
1558
1559 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1560 {
1561 var_t *var = decl->var;
1562
1563 var->attrs = attrs;
1564 set_type(var, decl_spec, decl, 0);
1565 var_list = append_var(var_list, var);
1566 free(decl);
1567 }
1568 return var_list;
1569 }
1570
1571 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1572 {
1573 if (!iface) return list;
1574 if (!list)
1575 {
1576 list = xmalloc( sizeof(*list) );
1577 list_init( list );
1578 }
1579 list_add_tail( list, &iface->entry );
1580 return list;
1581 }
1582
1583 static ifref_t *make_ifref(type_t *iface)
1584 {
1585 ifref_t *l = xmalloc(sizeof(ifref_t));
1586 l->iface = iface;
1587 l->attrs = NULL;
1588 return l;
1589 }
1590
1591 static var_list_t *append_var(var_list_t *list, var_t *var)
1592 {
1593 if (!var) return list;
1594 if (!list)
1595 {
1596 list = xmalloc( sizeof(*list) );
1597 list_init( list );
1598 }
1599 list_add_tail( list, &var->entry );
1600 return list;
1601 }
1602
1603 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1604 {
1605 if (!vars) return list;
1606 if (!list)
1607 {
1608 list = xmalloc( sizeof(*list) );
1609 list_init( list );
1610 }
1611 list_move_tail( list, vars );
1612 return list;
1613 }
1614
1615 static var_t *make_var(char *name)
1616 {
1617 var_t *v = xmalloc(sizeof(var_t));
1618 v->name = name;
1619 v->type = NULL;
1620 v->attrs = NULL;
1621 v->eval = NULL;
1622 v->stgclass = STG_NONE;
1623 init_loc_info(&v->loc_info);
1624 return v;
1625 }
1626
1627 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1628 {
1629 if (!d) return list;
1630 if (!list) {
1631 list = xmalloc(sizeof(*list));
1632 list_init(list);
1633 }
1634 list_add_tail(list, &d->entry);
1635 return list;
1636 }
1637
1638 static declarator_t *make_declarator(var_t *var)
1639 {
1640 declarator_t *d = xmalloc(sizeof(*d));
1641 d->var = var;
1642 d->type = NULL;
1643 d->func_type = NULL;
1644 d->array = NULL;
1645 return d;
1646 }
1647
1648 static func_list_t *append_func(func_list_t *list, func_t *func)
1649 {
1650 if (!func) return list;
1651 if (!list)
1652 {
1653 list = xmalloc( sizeof(*list) );
1654 list_init( list );
1655 }
1656 list_add_tail( list, &func->entry );
1657 return list;
1658 }
1659
1660 static func_t *make_func(var_t *def)
1661 {
1662 func_t *f = xmalloc(sizeof(func_t));
1663 f->def = def;
1664 return f;
1665 }
1666
1667 static type_t *make_safearray(type_t *type)
1668 {
1669 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0, NULL, NULL);
1670 }
1671
1672 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1673 {
1674 typelib_t *typelib = xmalloc(sizeof(*typelib));
1675 typelib->name = xstrdup(name);
1676 typelib->filename = NULL;
1677 typelib->attrs = attrs;
1678 list_init( &typelib->importlibs );
1679 return typelib;
1680 }
1681
1682 #define HASHMAX 64
1683
1684 static int hash_ident(const char *name)
1685 {
1686 const char *p = name;
1687 int sum = 0;
1688 /* a simple sum hash is probably good enough */
1689 while (*p) {
1690 sum += *p;
1691 p++;
1692 }
1693 return sum & (HASHMAX-1);
1694 }
1695
1696 /***** type repository *****/
1697
1698 struct rtype {
1699 const char *name;
1700 type_t *type;
1701 int t;
1702 struct rtype *next;
1703 };
1704
1705 struct rtype *type_hash[HASHMAX];
1706
1707 static type_t *reg_type(type_t *type, const char *name, int t)
1708 {
1709 struct rtype *nt;
1710 int hash;
1711 if (!name) {
1712 error_loc("registering named type without name\n");
1713 return type;
1714 }
1715 hash = hash_ident(name);
1716 nt = xmalloc(sizeof(struct rtype));
1717 nt->name = name;
1718 nt->type = type;
1719 nt->t = t;
1720 nt->next = type_hash[hash];
1721 type_hash[hash] = nt;
1722 if ((t == tsSTRUCT || t == tsUNION))
1723 fix_incomplete_types(type);
1724 return type;
1725 }
1726
1727 static int is_incomplete(const type_t *t)
1728 {
1729 return !t->defined &&
1730 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1731 type_get_type_detect_alias(t) == TYPE_UNION ||
1732 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1733 }
1734
1735 static void add_incomplete(type_t *t)
1736 {
1737 struct typenode *tn = xmalloc(sizeof *tn);
1738 tn->type = t;
1739 list_add_tail(&incomplete_types, &tn->entry);
1740 }
1741
1742 static void fix_type(type_t *t)
1743 {
1744 if (type_is_alias(t) && is_incomplete(t)) {
1745 type_t *ot = type_alias_get_aliasee(t);
1746 fix_type(ot);
1747 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1748 type_get_type_detect_alias(ot) == TYPE_UNION ||
1749 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1750 t->details.structure = ot->details.structure;
1751 t->defined = ot->defined;
1752 }
1753 }
1754
1755 static void fix_incomplete(void)
1756 {
1757 struct typenode *tn, *next;
1758
1759 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1760 fix_type(tn->type);
1761 list_remove(&tn->entry);
1762 free(tn);
1763 }
1764 }
1765
1766 static void fix_incomplete_types(type_t *complete_type)
1767 {
1768 struct typenode *tn, *next;
1769
1770 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1771 {
1772 if (type_is_equal(complete_type, tn->type))
1773 {
1774 tn->type->details.structure = complete_type->details.structure;
1775 list_remove(&tn->entry);
1776 free(tn);
1777 }
1778 }
1779 }
1780
1781 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1782 {
1783 const declarator_t *decl;
1784 int is_str = is_attr(attrs, ATTR_STRING);
1785 type_t *type = decl_spec->type;
1786
1787 if (is_str)
1788 {
1789 type_t *t = decl_spec->type;
1790
1791 while (is_ptr(t))
1792 t = type_pointer_get_ref(t);
1793
1794 if (type_get_type(t) != TYPE_BASIC &&
1795 (type_basic_get_fc(t) != RPC_FC_CHAR &&
1796 type_basic_get_fc(t) != RPC_FC_BYTE &&
1797 type_basic_get_fc(t) != RPC_FC_WCHAR))
1798 {
1799 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1800 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1801 decl->var->name);
1802 }
1803 }
1804
1805 /* We must generate names for tagless enum, struct or union.
1806 Typedef-ing a tagless enum, struct or union means we want the typedef
1807 to be included in a library hence the public attribute. */
1808 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1809 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1810 type_get_type_detect_alias(type) == TYPE_UNION ||
1811 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1812 !type->name && !parse_only)
1813 {
1814 if (! is_attr(attrs, ATTR_PUBLIC))
1815 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1816 type->name = gen_name();
1817 }
1818 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1819 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1820
1821 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1822 {
1823 var_t *name = decl->var;
1824
1825 if (name->name) {
1826 type_t *cur;
1827
1828 cur = find_type(name->name, 0);
1829 if (cur)
1830 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1831 cur->name, cur->loc_info.input_name,
1832 cur->loc_info.line_number);
1833
1834 /* set the attributes to allow set_type to do some checks on them */
1835 name->attrs = attrs;
1836 set_type(name, decl_spec, decl, 0);
1837 cur = type_new_alias(name->type, name->name);
1838 cur->attrs = attrs;
1839
1840 if (is_incomplete(cur))
1841 add_incomplete(cur);
1842 reg_type(cur, cur->name, 0);
1843 }
1844 }
1845 return type;
1846 }
1847
1848 type_t *find_type(const char *name, int t)
1849 {
1850 struct rtype *cur = type_hash[hash_ident(name)];
1851 while (cur && (cur->t != t || strcmp(cur->name, name)))
1852 cur = cur->next;
1853 return cur ? cur->type : NULL;
1854 }
1855
1856 static type_t *find_type_or_error(const char *name, int t)
1857 {
1858 type_t *type = find_type(name, t);
1859 if (!type) {
1860 error_loc("type '%s' not found\n", name);
1861 return NULL;
1862 }
1863 return type;
1864 }
1865
1866 static type_t *find_type_or_error2(char *name, int t)
1867 {
1868 type_t *tp = find_type_or_error(name, t);
1869 free(name);
1870 return tp;
1871 }
1872
1873 int is_type(const char *name)
1874 {
1875 return find_type(name, 0) != NULL;
1876 }
1877
1878 static type_t *get_type(enum type_type type, char *name, int t)
1879 {
1880 type_t *tp;
1881 if (name) {
1882 tp = find_type(name, t);
1883 if (tp) {
1884 free(name);
1885 return tp;
1886 }
1887 }
1888 tp = make_type(type);
1889 tp->name = name;
1890 if (!name) return tp;
1891 return reg_type(tp, name, t);
1892 }
1893
1894 /***** constant repository *****/
1895
1896 struct rconst {
1897 char *name;
1898 var_t *var;
1899 struct rconst *next;
1900 };
1901
1902 struct rconst *const_hash[HASHMAX];
1903
1904 static var_t *reg_const(var_t *var)
1905 {
1906 struct rconst *nc;
1907 int hash;
1908 if (!var->name) {
1909 error_loc("registering constant without name\n");
1910 return var;
1911 }
1912 hash = hash_ident(var->name);
1913 nc = xmalloc(sizeof(struct rconst));
1914 nc->name = var->name;
1915 nc->var = var;
1916 nc->next = const_hash[hash];
1917 const_hash[hash] = nc;
1918 return var;
1919 }
1920
1921 var_t *find_const(const char *name, int f)
1922 {
1923 struct rconst *cur = const_hash[hash_ident(name)];
1924 while (cur && strcmp(cur->name, name))
1925 cur = cur->next;
1926 if (!cur) {
1927 if (f) error_loc("constant '%s' not found\n", name);
1928 return NULL;
1929 }
1930 return cur->var;
1931 }
1932
1933 static char *gen_name(void)
1934 {
1935 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1936 static unsigned long n = 0;
1937 static const char *file_id;
1938 static size_t size;
1939 char *name;
1940
1941 if (! file_id)
1942 {
1943 char *dst = dup_basename(input_name, ".idl");
1944 file_id = dst;
1945
1946 for (; *dst; ++dst)
1947 if (! isalnum((unsigned char) *dst))
1948 *dst = '_';
1949
1950 size = sizeof format - 7 + strlen(file_id) + 8;
1951 }
1952
1953 name = xmalloc(size);
1954 sprintf(name, format, file_id, n++);
1955 return name;
1956 }
1957
1958 struct allowed_attr
1959 {
1960 unsigned int dce_compatible : 1;
1961 unsigned int acf : 1;
1962 unsigned int on_interface : 1;
1963 unsigned int on_function : 1;
1964 unsigned int on_arg : 1;
1965 unsigned int on_type : 1;
1966 unsigned int on_enum : 1;
1967 unsigned int on_struct : 1;
1968 unsigned int on_union : 1;
1969 unsigned int on_field : 1;
1970 unsigned int on_library : 1;
1971 unsigned int on_dispinterface : 1;
1972 unsigned int on_module : 1;
1973 unsigned int on_coclass : 1;
1974 const char *display_name;
1975 };
1976
1977 struct allowed_attr allowed_attr[] =
1978 {
1979 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1980 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1981 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1982 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1983 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1984 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1985 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1986 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1987 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1988 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1989 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1990 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1991 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1992 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1993 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
1994 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
1995 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
1996 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1997 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
1998 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
1999 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2000 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2001 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2002 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2003 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2004 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2005 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2006 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2007 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2008 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2009 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2010 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2011 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2012 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2013 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2014 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2015 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2016 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2017 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2018 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2019 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2020 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2021 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2022 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2023 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2024 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2025 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2026 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2027 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2028 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2029 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2030 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2031 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2032 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2033 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2034 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2035 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2036 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2037 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2038 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2039 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2040 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2041 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2042 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2043 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2044 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2045 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2046 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2047 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2048 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2049 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2050 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2051 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2052 };
2053
2054 const char *get_attr_display_name(enum attr_type type)
2055 {
2056 return allowed_attr[type].display_name;
2057 }
2058
2059 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2060 {
2061 const attr_t *attr;
2062 if (!attrs) return attrs;
2063 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2064 {
2065 if (!allowed_attr[attr->type].on_interface)
2066 error_loc("inapplicable attribute %s for interface %s\n",
2067 allowed_attr[attr->type].display_name, name);
2068 }
2069 return attrs;
2070 }
2071
2072 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2073 {
2074 const attr_t *attr;
2075 if (!attrs) return attrs;
2076 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2077 {
2078 if (!allowed_attr[attr->type].on_function)
2079 error_loc("inapplicable attribute %s for function %s\n",
2080 allowed_attr[attr->type].display_name, name);
2081 }
2082 return attrs;
2083 }
2084
2085 static void check_arg(var_t *arg)
2086 {
2087 const type_t *t = arg->type;
2088 const attr_t *attr;
2089
2090 if (type_get_type(t) == TYPE_VOID)
2091 error_loc("argument '%s' has void type\n", arg->name);
2092
2093 if (arg->attrs)
2094 {
2095 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2096 {
2097 if (!allowed_attr[attr->type].on_arg)
2098 error_loc("inapplicable attribute %s for argument %s\n",
2099 allowed_attr[attr->type].display_name, arg->name);
2100 }
2101 }
2102 }
2103
2104 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2105 {
2106 const attr_t *attr;
2107 if (!attrs) return attrs;
2108 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2109 {
2110 if (!allowed_attr[attr->type].on_type)
2111 error_loc("inapplicable attribute %s for typedef\n",
2112 allowed_attr[attr->type].display_name);
2113 }
2114 return attrs;
2115 }
2116
2117 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2118 {
2119 const attr_t *attr;
2120 if (!attrs) return attrs;
2121 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2122 {
2123 if (!allowed_attr[attr->type].on_enum)
2124 error_loc("inapplicable attribute %s for enum\n",
2125 allowed_attr[attr->type].display_name);
2126 }
2127 return attrs;
2128 }
2129
2130 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2131 {
2132 const attr_t *attr;
2133 if (!attrs) return attrs;
2134 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2135 {
2136 if (!allowed_attr[attr->type].on_struct)
2137 error_loc("inapplicable attribute %s for struct\n",
2138 allowed_attr[attr->type].display_name);
2139 }
2140 return attrs;
2141 }
2142
2143 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2144 {
2145 const attr_t *attr;
2146 if (!attrs) return attrs;
2147 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2148 {
2149 if (!allowed_attr[attr->type].on_union)
2150 error_loc("inapplicable attribute %s for union\n",
2151 allowed_attr[attr->type].display_name);
2152 }
2153 return attrs;
2154 }
2155
2156 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2157 {
2158 const attr_t *attr;
2159 if (!attrs) return attrs;
2160 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2161 {
2162 if (!allowed_attr[attr->type].on_field)
2163 error_loc("inapplicable attribute %s for field %s\n",
2164 allowed_attr[attr->type].display_name, name);
2165 }
2166 return attrs;
2167 }
2168
2169 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2170 {
2171 const attr_t *attr;
2172 if (!attrs) return attrs;
2173 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2174 {
2175 if (!allowed_attr[attr->type].on_library)
2176 error_loc("inapplicable attribute %s for library %s\n",
2177 allowed_attr[attr->type].display_name, name);
2178 }
2179 return attrs;
2180 }
2181
2182 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2183 {
2184 const attr_t *attr;
2185 if (!attrs) return attrs;
2186 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2187 {
2188 if (!allowed_attr[attr->type].on_dispinterface)
2189 error_loc("inapplicable attribute %s for dispinterface %s\n",
2190 allowed_attr[attr->type].display_name, name);
2191 }
2192 return attrs;
2193 }
2194
2195 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2196 {
2197 const attr_t *attr;
2198 if (!attrs) return attrs;
2199 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2200 {
2201 if (!allowed_attr[attr->type].on_module)
2202 error_loc("inapplicable attribute %s for module %s\n",
2203 allowed_attr[attr->type].display_name, name);
2204 }
2205 return attrs;
2206 }
2207
2208 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2209 {
2210 const attr_t *attr;
2211 if (!attrs) return attrs;
2212 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2213 {
2214 if (!allowed_attr[attr->type].on_coclass)
2215 error_loc("inapplicable attribute %s for coclass %s\n",
2216 allowed_attr[attr->type].display_name, name);
2217 }
2218 return attrs;
2219 }
2220
2221 static int is_allowed_conf_type(const type_t *type)
2222 {
2223 switch (type_get_type(type))
2224 {
2225 case TYPE_ENUM:
2226 return TRUE;
2227 case TYPE_BASIC:
2228 switch (type_basic_get_fc(type))
2229 {
2230 case RPC_FC_CHAR:
2231 case RPC_FC_SMALL:
2232 case RPC_FC_BYTE:
2233 case RPC_FC_USMALL:
2234 case RPC_FC_WCHAR:
2235 case RPC_FC_SHORT:
2236 case RPC_FC_USHORT:
2237 case RPC_FC_LONG:
2238 case RPC_FC_ULONG:
2239 case RPC_FC_ERROR_STATUS_T:
2240 return TRUE;
2241 default:
2242 return FALSE;
2243 }
2244 case TYPE_ALIAS:
2245 /* shouldn't get here because of type_get_type call above */
2246 assert(0);
2247 /* fall through */
2248 case TYPE_STRUCT:
2249 case TYPE_UNION:
2250 case TYPE_ENCAPSULATED_UNION:
2251 case TYPE_ARRAY:
2252 case TYPE_POINTER:
2253 case TYPE_VOID:
2254 case TYPE_MODULE:
2255 case TYPE_COCLASS:
2256 case TYPE_FUNCTION:
2257 case TYPE_INTERFACE:
2258 return FALSE;
2259 }
2260 return FALSE;
2261 }
2262
2263 static int is_ptr_guid_type(const type_t *type)
2264 {
2265 unsigned int align = 0;
2266
2267 /* first, make sure it is a pointer to something */
2268 if (!is_ptr(type)) return FALSE;
2269
2270 /* second, make sure it is a pointer to something of size sizeof(GUID),
2271 * i.e. 16 bytes */
2272 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2273 }
2274
2275 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2276 {
2277 expr_t *dim;
2278 struct expr_loc expr_loc;
2279 expr_loc.v = arg;
2280 expr_loc.attr = attr_name;
2281 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2282 {
2283 if (dim->type != EXPR_VOID)
2284 {
2285 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2286 if (!is_allowed_conf_type(expr_type))
2287 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2288 attr_name);
2289 }
2290 }
2291 }
2292
2293 static void check_remoting_fields(const var_t *var, type_t *type);
2294
2295 /* checks that properties common to fields and arguments are consistent */
2296 static void check_field_common(const type_t *container_type,
2297 const char *container_name, const var_t *arg)
2298 {
2299 type_t *type = arg->type;
2300 int more_to_do;
2301 const char *container_type_name = NULL;
2302
2303 switch (type_get_type_detect_alias(type))
2304 {
2305 case TYPE_STRUCT:
2306 container_type_name = "struct";
2307 break;
2308 case TYPE_UNION:
2309 container_type_name = "union";
2310 break;
2311 case TYPE_ENCAPSULATED_UNION:
2312 container_type_name = "encapsulated union";
2313 break;
2314 case TYPE_FUNCTION:
2315 container_type_name = "function";
2316 break;
2317 default:
2318 break;
2319 }
2320
2321 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2322 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2323 error_loc_info(&arg->loc_info,
2324 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2325 arg->name);
2326
2327 if (is_attr(arg->attrs, ATTR_SIZEIS))
2328 {
2329 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2330 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2331 }
2332 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2333 {
2334 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2335 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2336 }
2337 if (is_attr(arg->attrs, ATTR_IIDIS))
2338 {
2339 struct expr_loc expr_loc;
2340 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2341 if (expr->type != EXPR_VOID)
2342 {
2343 const type_t *expr_type;
2344 expr_loc.v = arg;
2345 expr_loc.attr = "iid_is";
2346 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2347 if (!expr_type || !is_ptr_guid_type(expr_type))
2348 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2349 }
2350 }
2351 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2352 {
2353 struct expr_loc expr_loc;
2354 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2355 if (expr->type != EXPR_VOID)
2356 {
2357 const type_t *expr_type;
2358 expr_loc.v = arg;
2359 expr_loc.attr = "switch_is";
2360 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2361 if (!expr_type || !is_allowed_conf_type(expr_type))
2362 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2363 expr_loc.attr);
2364 }
2365 }
2366
2367 do
2368 {
2369 more_to_do = FALSE;
2370
2371 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2372 {
2373 case TGT_STRUCT:
2374 case TGT_UNION:
2375 check_remoting_fields(arg, type);
2376 break;
2377 case TGT_INVALID:
2378 switch (type_get_type(type))
2379 {
2380 case TYPE_VOID:
2381 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n",
2382 arg->name, container_type_name, container_name);
2383 break;
2384 case TYPE_FUNCTION:
2385 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n",
2386 arg->name, container_type_name, container_name);
2387 break;
2388 case TYPE_COCLASS:
2389 case TYPE_INTERFACE:
2390 case TYPE_MODULE:
2391 /* FIXME */
2392 break;
2393 default:
2394 break;
2395 }
2396 case TGT_CTXT_HANDLE:
2397 case TGT_CTXT_HANDLE_POINTER:
2398 /* FIXME */
2399 break;
2400 case TGT_POINTER:
2401 type = type_pointer_get_ref(type);
2402 more_to_do = TRUE;
2403 break;
2404 case TGT_ARRAY:
2405 type = type_array_get_element(type);
2406 more_to_do = TRUE;
2407 break;
2408 case TGT_USER_TYPE:
2409 case TGT_STRING:
2410 case TGT_IFACE_POINTER:
2411 case TGT_BASIC:
2412 case TGT_ENUM:
2413 /* nothing to do */
2414 break;
2415 }
2416 } while (more_to_do);
2417 }
2418
2419 static void check_remoting_fields(const var_t *var, type_t *type)
2420 {
2421 const var_t *field;
2422 const var_list_t *fields = NULL;
2423
2424 type = type_get_real_type(type);
2425
2426 if (type->checked)
2427 return;
2428
2429 type->checked = TRUE;
2430
2431 if (type_get_type(type) == TYPE_STRUCT)
2432 {
2433 if (type_is_complete(type))
2434 fields = type_struct_get_fields(type);
2435 else
2436 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2437 }
2438 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2439 fields = type_union_get_cases(type);
2440
2441 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2442 if (field->type) check_field_common(type, type->name, field);
2443 }
2444
2445 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2446 static void check_remoting_args(const var_t *func)
2447 {
2448 const char *funcname = func->name;
2449 const var_t *arg;
2450
2451 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2452 {
2453 const type_t *type = arg->type;
2454
2455 /* check that [out] parameters have enough pointer levels */
2456 if (is_attr(arg->attrs, ATTR_OUT))
2457 {
2458 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2459 {
2460 case TGT_BASIC:
2461 case TGT_ENUM:
2462 case TGT_STRUCT:
2463 case TGT_UNION:
2464 case TGT_CTXT_HANDLE:
2465 case TGT_USER_TYPE:
2466 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2467 break;
2468 case TGT_IFACE_POINTER:
2469 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2470 break;
2471 case TGT_STRING:
2472 if (!is_array(type))
2473 {
2474 /* FIXME */
2475 }
2476 break;
2477 case TGT_INVALID:
2478 /* already error'd before we get here */
2479 case TGT_CTXT_HANDLE_POINTER:
2480 case TGT_POINTER:
2481 case TGT_ARRAY:
2482 /* OK */
2483 break;
2484 }
2485 }
2486
2487 check_field_common(func->type, funcname, arg);
2488 }
2489 }
2490
2491 static void add_explicit_handle_if_necessary(var_t *func)
2492 {
2493 const var_t* explicit_handle_var;
2494 const var_t* explicit_generic_handle_var = NULL;
2495 const var_t* context_handle_var = NULL;
2496
2497 /* check for a defined binding handle */
2498 explicit_handle_var = get_explicit_handle_var(func);
2499 if (!explicit_handle_var)
2500 {
2501 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2502 if (!explicit_generic_handle_var)
2503 {
2504 context_handle_var = get_context_handle_var(func);
2505 if (!context_handle_var)
2506 {
2507 /* no explicit handle specified so add
2508 * "[in] handle_t IDL_handle" as the first parameter to the
2509 * function */
2510 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2511 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2512 idl_handle->type = find_type_or_error("handle_t", 0);
2513 type_function_add_head_arg(func->type, idl_handle);
2514 }
2515 }
2516 }
2517 }
2518
2519 static void check_functions(const type_t *iface, int is_inside_library)
2520 {
2521 const statement_t *stmt;
2522 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2523 {
2524 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2525 {
2526 var_t *func = stmt->u.var;
2527 add_explicit_handle_if_necessary(func);
2528 }
2529 }
2530 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2531 {
2532 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2533 {
2534 const var_t *func = stmt->u.var;
2535 if (!is_attr(func->attrs, ATTR_LOCAL))
2536 check_remoting_args(func);
2537 }
2538 }
2539 }
2540
2541 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2542 {
2543 const statement_t *stmt;
2544
2545 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2546 {
2547 if (stmt->type == STMT_LIBRARY)
2548 check_statements(stmt->u.lib->stmts, TRUE);
2549 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2550 check_functions(stmt->u.type, is_inside_library);
2551 }
2552 }
2553
2554 static void check_all_user_types(const statement_list_t *stmts)
2555 {
2556 const statement_t *stmt;
2557
2558 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2559 {
2560 if (stmt->type == STMT_LIBRARY)
2561 check_all_user_types(stmt->u.lib->stmts);
2562 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2563 !is_local(stmt->u.type->attrs))
2564 {
2565 const statement_t *stmt_func;
2566 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2567 const var_t *func = stmt_func->u.var;
2568 check_for_additional_prototype_types(func->type->details.function->args);
2569 }
2570 }
2571 }
2572 }
2573
2574 int is_valid_uuid(const char *s)
2575 {
2576 int i;
2577
2578 for (i = 0; i < 36; ++i)
2579 if (i == 8 || i == 13 || i == 18 || i == 23)
2580 {
2581 if (s[i] != '-')
2582 return FALSE;
2583 }
2584 else
2585 if (!isxdigit(s[i]))
2586 return FALSE;
2587
2588 return s[i] == '\0';
2589 }
2590
2591 static statement_t *make_statement(enum statement_type type)
2592 {
2593 statement_t *stmt = xmalloc(sizeof(*stmt));
2594 stmt->type = type;
2595 return stmt;
2596 }
2597
2598 static statement_t *make_statement_type_decl(type_t *type)
2599 {
2600 statement_t *stmt = make_statement(STMT_TYPE);
2601 stmt->u.type = type;
2602 return stmt;
2603 }
2604
2605 static statement_t *make_statement_reference(type_t *type)
2606 {
2607 statement_t *stmt = make_statement(STMT_TYPEREF);
2608 stmt->u.type = type;
2609 return stmt;
2610 }
2611
2612 static statement_t *make_statement_declaration(var_t *var)
2613 {
2614 statement_t *stmt = make_statement(STMT_DECLARATION);
2615 stmt->u.var = var;
2616 if (var->stgclass == STG_EXTERN && var->eval)
2617 warning("'%s' initialised and declared extern\n", var->name);
2618 if (is_const_decl(var))
2619 {
2620 if (var->eval)
2621 reg_const(var);
2622 }
2623 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2624 type_get_type(var->type) != TYPE_FUNCTION)
2625 error_loc("instantiation of data is illegal\n");
2626 return stmt;
2627 }
2628
2629 static statement_t *make_statement_library(typelib_t *typelib)
2630 {
2631 statement_t *stmt = make_statement(STMT_LIBRARY);
2632 stmt->u.lib = typelib;
2633 return stmt;
2634 }
2635
2636 static statement_t *make_statement_cppquote(const char *str)
2637 {
2638 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2639 stmt->u.str = str;
2640 return stmt;
2641 }
2642
2643 static statement_t *make_statement_importlib(const char *str)
2644 {
2645 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2646 stmt->u.str = str;
2647 return stmt;
2648 }
2649
2650 static statement_t *make_statement_import(const char *str)
2651 {
2652 statement_t *stmt = make_statement(STMT_IMPORT);
2653 stmt->u.str = str;
2654 return stmt;
2655 }
2656
2657 static statement_t *make_statement_module(type_t *type)
2658 {
2659 statement_t *stmt = make_statement(STMT_MODULE);
2660 stmt->u.type = type;
2661 return stmt;
2662 }
2663
2664 static statement_t *make_statement_typedef(declarator_list_t *decls)
2665 {
2666 declarator_t *decl, *next;
2667 statement_t *stmt;
2668 type_list_t **type_list;
2669
2670 if (!decls) return NULL;
2671
2672 stmt = make_statement(STMT_TYPEDEF);
2673 stmt->u.type_list = NULL;
2674 type_list = &stmt->u.type_list;
2675
2676 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2677 {
2678 var_t *var = decl->var;
2679 type_t *type = find_type_or_error(var->name, 0);
2680 *type_list = xmalloc(sizeof(type_list_t));
2681 (*type_list)->type = type;
2682 (*type_list)->next = NULL;
2683
2684 type_list = &(*type_list)->next;
2685 free(decl);
2686 free(var);
2687 }
2688
2689 return stmt;
2690 }
2691
2692 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2693 {
2694 if (!stmt) return list;
2695 if (!list)
2696 {
2697 list = xmalloc( sizeof(*list) );
2698 list_init( list );
2699 }
2700 list_add_tail( list, &stmt->entry );
2701 return list;
2702 }
2703
2704 void init_loc_info(loc_info_t *i)
2705 {
2706 i->input_name = input_name ? input_name : "stdin";
2707 i->line_number = line_number;
2708 i->near_text = parser_text;
2709 }
2710
2711 static void check_def(const type_t *t)
2712 {
2713 if (t->defined)
2714 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2715 t->name, t->loc_info.input_name, t->loc_info.line_number);
2716 }
Wine tree for Wine Gecko development