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qdvd: Add version resource.
[wine.git] / tools / widl / parser.y
blob686aa6b58a841319c3bdc7c70599477365772feb
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 typedef struct list typelist_t;
42 struct typenode {
43 type_t *type;
44 struct list entry;
45 };
46
47 struct _import_t
48 {
49 char *name;
50 int import_performed;
51 };
52
53 static str_list_t *append_str(str_list_t *list, char *str);
54 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
55 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
56 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right,
57 enum storage_class stgclass, enum type_qualifier qual, enum function_specifier func_specifier);
58 static attr_t *make_attr(enum attr_type type);
59 static attr_t *make_attrv(enum attr_type type, unsigned int val);
60 static attr_t *make_attrp(enum attr_type type, void *val);
61 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
62 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl, int top);
63 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
64 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
65 static ifref_t *make_ifref(type_t *iface);
66 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
67 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
68 static declarator_t *make_declarator(var_t *var);
69 static type_t *make_safearray(type_t *type);
70 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
71 static void append_array(declarator_t *decl, expr_t *expr);
72 static void append_chain_type(declarator_t *decl, type_t *type, enum type_qualifier qual);
73 static void append_chain_callconv(type_t *chain, char *callconv);
74 static warning_list_t *append_warning(warning_list_t *, int);
75
76 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
77 static type_t *find_type_or_error(const char *name, int t);
78 static type_t *find_type_or_error2(char *name, int t);
79
80 static var_t *reg_const(var_t *var);
81
82 static void push_namespace(const char *name);
83 static void pop_namespace(const char *name);
84 static void init_lookup_namespace(const char *name);
85 static void push_lookup_namespace(const char *name);
86
87 static void check_arg_attrs(const var_t *arg);
88 static void check_statements(const statement_list_t *stmts, int is_inside_library);
89 static void check_all_user_types(const statement_list_t *stmts);
90 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
91 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
92 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
93 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
94 static attr_list_t *check_enum_member_attrs(attr_list_t *attrs);
95 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
96 static attr_list_t *check_union_attrs(attr_list_t *attrs);
97 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
98 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
99 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
100 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
101 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
102 const char *get_attr_display_name(enum attr_type type);
103 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
104 static void check_def(const type_t *t);
105
106 static void check_async_uuid(type_t *iface);
107
108 static statement_t *make_statement(enum statement_type type);
109 static statement_t *make_statement_type_decl(type_t *type);
110 static statement_t *make_statement_reference(type_t *type);
111 static statement_t *make_statement_declaration(var_t *var);
112 static statement_t *make_statement_library(typelib_t *typelib);
113 static statement_t *make_statement_pragma(const char *str);
114 static statement_t *make_statement_cppquote(const char *str);
115 static statement_t *make_statement_importlib(const char *str);
116 static statement_t *make_statement_module(type_t *type);
117 static statement_t *make_statement_typedef(var_list_t *names, int declonly);
118 static statement_t *make_statement_import(const char *str);
119 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
120 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
121 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
122
123 static struct namespace global_namespace = {
124 NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
125 };
126
127 static struct namespace *current_namespace = &global_namespace;
128 static struct namespace *lookup_namespace = &global_namespace;
129
130 static typelib_t *current_typelib;
131
132 %}
133 %union {
134 attr_t *attr;
135 attr_list_t *attr_list;
136 str_list_t *str_list;
137 expr_t *expr;
138 expr_list_t *expr_list;
139 type_t *type;
140 var_t *var;
141 var_list_t *var_list;
142 declarator_t *declarator;
143 declarator_list_t *declarator_list;
144 statement_t *statement;
145 statement_list_t *stmt_list;
146 warning_t *warning;
147 warning_list_t *warning_list;
148 ifref_t *ifref;
149 ifref_list_t *ifref_list;
150 char *str;
151 UUID *uuid;
152 unsigned int num;
153 double dbl;
154 typelib_t *typelib;
155 struct _import_t *import;
156 struct _decl_spec_t *declspec;
157 enum storage_class stgclass;
158 enum type_qualifier type_qualifier;
159 enum function_specifier function_specifier;
160 }
161
162 %token <str> aIDENTIFIER aPRAGMA
163 %token <str> aKNOWNTYPE aNAMESPACE
164 %token <num> aNUM aHEXNUM
165 %token <dbl> aDOUBLE
166 %token <str> aSTRING aWSTRING aSQSTRING
167 %token <uuid> aUUID
168 %token aEOF aACF
169 %token SHL SHR
170 %token MEMBERPTR
171 %token EQUALITY INEQUALITY
172 %token GREATEREQUAL LESSEQUAL
173 %token LOGICALOR LOGICALAND
174 %token ELLIPSIS
175 %token tAGGREGATABLE tALLNODES tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
176 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
177 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
178 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
179 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
180 %token tDECODE tDEFAULT tDEFAULTBIND
181 %token tDEFAULTCOLLELEM
182 %token tDEFAULTVALUE
183 %token tDEFAULTVTABLE
184 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
185 %token tDISPINTERFACE
186 %token tDLLNAME tDONTFREE tDOUBLE tDUAL
187 %token tENABLEALLOCATE tENCODE tENDPOINT
188 %token tENTRY tENUM tERRORSTATUST
189 %token tEXPLICITHANDLE tEXTERN
190 %token tFALSE
191 %token tFASTCALL tFAULTSTATUS
192 %token tFLOAT tFORCEALLOCATE
193 %token tHANDLE
194 %token tHANDLET
195 %token tHELPCONTEXT tHELPFILE
196 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
197 %token tHIDDEN
198 %token tHYPER tID tIDEMPOTENT
199 %token tIGNORE tIIDIS
200 %token tIMMEDIATEBIND
201 %token tIMPLICITHANDLE
202 %token tIMPORT tIMPORTLIB
203 %token tIN tIN_LINE tINLINE
204 %token tINPUTSYNC
205 %token tINT tINT32 tINT3264 tINT64
206 %token tINTERFACE
207 %token tLCID
208 %token tLENGTHIS tLIBRARY
209 %token tLICENSED tLOCAL
210 %token tLONG
211 %token tMAYBE tMESSAGE
212 %token tMETHODS
213 %token tMODULE
214 %token tNAMESPACE
215 %token tNOCODE tNONBROWSABLE
216 %token tNONCREATABLE
217 %token tNONEXTENSIBLE
218 %token tNOTIFY tNOTIFYFLAG
219 %token tNULL
220 %token tOBJECT tODL tOLEAUTOMATION
221 %token tOPTIMIZE tOPTIONAL
222 %token tOUT
223 %token tPARTIALIGNORE tPASCAL
224 %token tPOINTERDEFAULT
225 %token tPRAGMA_WARNING
226 %token tPROGID tPROPERTIES
227 %token tPROPGET tPROPPUT tPROPPUTREF
228 %token tPROXY tPTR
229 %token tPUBLIC
230 %token tRANGE
231 %token tREADONLY tREF
232 %token tREGISTER tREPRESENTAS
233 %token tREQUESTEDIT
234 %token tRESTRICTED
235 %token tRETVAL
236 %token tSAFEARRAY
237 %token tSHORT
238 %token tSIGNED tSINGLENODE
239 %token tSIZEIS tSIZEOF
240 %token tSMALL
241 %token tSOURCE
242 %token tSTATIC
243 %token tSTDCALL
244 %token tSTRICTCONTEXTHANDLE
245 %token tSTRING tSTRUCT
246 %token tSWITCH tSWITCHIS tSWITCHTYPE
247 %token tTHREADING tTRANSMITAS
248 %token tTRUE
249 %token tTYPEDEF
250 %token tUIDEFAULT tUNION
251 %token tUNIQUE
252 %token tUNSIGNED
253 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
254 %token tV1ENUM
255 %token tVARARG
256 %token tVERSION tVIPROGID
257 %token tVOID
258 %token tWCHAR tWIREMARSHAL
259 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
260
261 %type <attr> attribute acf_attribute
262 %type <attr_list> m_attributes attributes attrib_list
263 %type <attr_list> acf_attributes acf_attribute_list
264 %type <str_list> str_list
265 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
266 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
267 %type <type> interfacehdr
268 %type <stgclass> storage_cls_spec
269 %type <type_qualifier> type_qualifier m_type_qual_list
270 %type <function_specifier> function_specifier
271 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
272 %type <type> inherit interface interfacedef interfacedec
273 %type <type> dispinterface dispinterfacehdr dispinterfacedef
274 %type <type> module modulehdr moduledef
275 %type <str> namespacedef
276 %type <type> base_type int_std
277 %type <type> enumdef structdef uniondef typedecl
278 %type <type> type qualified_seq qualified_type
279 %type <ifref> coclass_int
280 %type <ifref_list> coclass_ints
281 %type <var> arg ne_union_field union_field s_field case enum enum_member declaration
282 %type <var> funcdef
283 %type <var_list> m_args arg_list args dispint_meths
284 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
285 %type <var> m_ident ident
286 %type <declarator> declarator direct_declarator init_declarator struct_declarator
287 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
288 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
289 %type <declarator_list> declarator_list struct_declarator_list
290 %type <type> coclass coclasshdr coclassdef
291 %type <num> pointer_type threading_type version
292 %type <str> libraryhdr callconv cppquote importlib import t_ident
293 %type <uuid> uuid_string
294 %type <import> import_start
295 %type <typelib> library_start librarydef
296 %type <statement> statement typedef pragma_warning
297 %type <stmt_list> gbl_statements imp_statements int_statements
298 %type <warning_list> warnings
299 %type <num> allocate_option_list allocate_option
300
301 %left ','
302 %right '?' ':'
303 %left LOGICALOR
304 %left LOGICALAND
305 %left '|'
306 %left '^'
307 %left '&'
308 %left EQUALITY INEQUALITY
309 %left '<' '>' LESSEQUAL GREATEREQUAL
310 %left SHL SHR
311 %left '-' '+'
312 %left '*' '/' '%'
313 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
314 %left '.' MEMBERPTR '[' ']'
315
316 %define parse.error verbose
317
318 %%
319
320 input: gbl_statements m_acf { check_statements($1, FALSE);
321 check_all_user_types($1);
322 write_header($1);
323 write_id_data($1);
324 write_proxies($1);
325 write_client($1);
326 write_server($1);
327 write_regscript($1);
328 write_typelib_regscript($1);
329 write_dlldata($1);
330 write_local_stubs($1);
331 }
332 ;
333
334 m_acf: /* empty */ | aACF acf_statements
335
336 gbl_statements: { $$ = NULL; }
337 | gbl_statements namespacedef '{' { push_namespace($2); } gbl_statements '}'
338 { pop_namespace($2); $$ = append_statements($1, $5); }
339 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
340 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
341 | gbl_statements coclass ';' { $$ = $1;
342 reg_type($2, $2->name, current_namespace, 0);
343 }
344 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
345 reg_type($2, $2->name, current_namespace, 0);
346 }
347 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
348 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
349 | gbl_statements statement { $$ = append_statement($1, $2); }
350 ;
351
352 imp_statements: { $$ = NULL; }
353 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
354 | imp_statements namespacedef '{' { push_namespace($2); } imp_statements '}'
355 { pop_namespace($2); $$ = append_statements($1, $5); }
356 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
357 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, current_namespace, 0); }
358 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
359 reg_type($2, $2->name, current_namespace, 0);
360 }
361 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
362 | imp_statements statement { $$ = append_statement($1, $2); }
363 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
364 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
365 ;
366
367 int_statements: { $$ = NULL; }
368 | int_statements statement { $$ = append_statement($1, $2); }
369 ;
370
371 semicolon_opt:
372 | ';'
373 ;
374
375 statement:
376 cppquote { $$ = make_statement_cppquote($1); }
377 | typedecl ';' { $$ = make_statement_type_decl($1); }
378 | declaration ';' { $$ = make_statement_declaration($1); }
379 | import { $$ = make_statement_import($1); }
380 | typedef ';' { $$ = $1; }
381 | aPRAGMA { $$ = make_statement_pragma($1); }
382 | pragma_warning { $$ = NULL; }
383 ;
384
385 pragma_warning: tPRAGMA_WARNING '(' aIDENTIFIER ':' warnings ')'
386 {
387 int result;
388 $$ = NULL;
389 result = do_warning($3, $5);
390 if(!result)
391 error_loc("expected \"disable\" or \"enable\"\n");
392 }
393 ;
394
395 warnings:
396 aNUM { $$ = append_warning(NULL, $1); }
397 | warnings aNUM { $$ = append_warning($1, $2); }
398 ;
399
400 typedecl:
401 enumdef
402 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
403 | structdef
404 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
405 | uniondef
406 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
407 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
408 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
409 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
410 ;
411
412 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
413 ;
414 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
415 $$ = xmalloc(sizeof(struct _import_t));
416 $$->name = $2;
417 $$->import_performed = do_import($2);
418 if (!$$->import_performed) yychar = aEOF;
419 }
420 ;
421
422 import: import_start imp_statements aEOF { $$ = $1->name;
423 if ($1->import_performed) pop_import();
424 free($1);
425 }
426 ;
427
428 importlib: tIMPORTLIB '(' aSTRING ')'
429 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3, current_typelib); }
430 ;
431
432 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
433 | tLIBRARY aKNOWNTYPE { $$ = $2; }
434 ;
435 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
436 if (!parse_only && do_typelib) current_typelib = $$;
437 }
438 ;
439 librarydef: library_start imp_statements '}'
440 semicolon_opt { $$ = $1; $$->stmts = $2; }
441 ;
442
443 m_args: { $$ = NULL; }
444 | args
445 ;
446
447 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
448 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
449 ;
450
451 args: arg_list
452 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
453 ;
454
455 /* split into two rules to get bison to resolve a tVOID conflict */
456 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
457 error_loc("invalid storage class for function parameter\n");
458 $$ = declare_var($1, $2, $3, TRUE);
459 free($2); free($3);
460 }
461 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
462 error_loc("invalid storage class for function parameter\n");
463 $$ = declare_var(NULL, $1, $2, TRUE);
464 free($1); free($2);
465 }
466 ;
467
468 array: '[' expr ']' { $$ = $2;
469 if (!$$->is_const || $$->cval <= 0)
470 error_loc("array dimension is not a positive integer constant\n");
471 }
472 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
473 | '[' ']' { $$ = make_expr(EXPR_VOID); }
474 ;
475
476 m_attributes: { $$ = NULL; }
477 | attributes
478 ;
479
480 attributes:
481 '[' attrib_list ']' { $$ = $2; }
482 ;
483
484 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
485 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
486 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
487 ;
488
489 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
490 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
491 ;
492
493 attribute: { $$ = NULL; }
494 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
495 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
496 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
497 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
498 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
499 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
500 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
501 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
502 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
503 | tCODE { $$ = make_attr(ATTR_CODE); }
504 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
505 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
506 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
507 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
508 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
509 | tDECODE { $$ = make_attr(ATTR_DECODE); }
510 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
511 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
512 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
513 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
514 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
515 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
516 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
517 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
518 | tDUAL { $$ = make_attr(ATTR_DUAL); }
519 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
520 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
521 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
522 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
523 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
524 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
525 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
526 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
527 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
528 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
529 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
530 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
531 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
532 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
533 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
534 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
535 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
536 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
537 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
538 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
539 | tIN { $$ = make_attr(ATTR_IN); }
540 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
541 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
542 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
543 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
544 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
545 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
546 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
547 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
548 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
549 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
550 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
551 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
552 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
553 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
554 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
555 | tODL { $$ = make_attr(ATTR_ODL); }
556 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
557 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
558 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
559 | tOUT { $$ = make_attr(ATTR_OUT); }
560 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
561 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
562 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
563 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
564 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
565 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
566 | tPROXY { $$ = make_attr(ATTR_PROXY); }
567 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
568 | tRANGE '(' expr_int_const ',' expr_int_const ')'
569 { expr_list_t *list = append_expr( NULL, $3 );
570 list = append_expr( list, $5 );
571 $$ = make_attrp(ATTR_RANGE, list); }
572 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
573 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
574 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
575 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
576 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
577 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
578 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
579 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
580 | tSTRING { $$ = make_attr(ATTR_STRING); }
581 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
582 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
583 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
584 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
585 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
586 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
587 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
588 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
589 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); }
590 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
591 | tVARARG { $$ = make_attr(ATTR_VARARG); }
592 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
593 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
594 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
595 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
596 ;
597
598 uuid_string:
599 aUUID
600 | aSTRING { if (!is_valid_uuid($1))
601 error_loc("invalid UUID: %s\n", $1);
602 $$ = parse_uuid($1); }
603 ;
604
605 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
606 | tFASTCALL { $$ = xstrdup("__fastcall"); }
607 | tPASCAL { $$ = xstrdup("__pascal"); }
608 | tSTDCALL { $$ = xstrdup("__stdcall"); }
609 ;
610
611 cases: { $$ = NULL; }
612 | cases case { $$ = append_var( $1, $2 ); }
613 ;
614
615 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
616 $$ = $4; if (!$$) $$ = make_var(NULL);
617 $$->attrs = append_attr( $$->attrs, a );
618 }
619 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
620 $$ = $3; if (!$$) $$ = make_var(NULL);
621 $$->attrs = append_attr( $$->attrs, a );
622 }
623 ;
624
625 enums: { $$ = NULL; }
626 | enum_list ',' { $$ = $1; }
627 | enum_list
628 ;
629
630 enum_list: enum { if (!$1->eval)
631 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
632 $$ = append_var( NULL, $1 );
633 }
634 | enum_list ',' enum { if (!$3->eval)
635 {
636 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
637 enum expr_type type = EXPR_NUM;
638 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
639 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
640 $3->eval = make_exprl(type, last->eval->cval + 1);
641 }
642 $$ = append_var( $1, $3 );
643 }
644 ;
645
646 enum_member: m_attributes ident { $$ = $2;
647 $$->attrs = check_enum_member_attrs($1);
648 }
649 ;
650
651 enum: enum_member '=' expr_int_const { $$ = reg_const($1);
652 $$->eval = $3;
653 $$->declspec.type = type_new_int(TYPE_BASIC_INT, 0);
654 }
655 | enum_member { $$ = reg_const($1);
656 $$->declspec.type = type_new_int(TYPE_BASIC_INT, 0);
657 }
658 ;
659
660 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, current_namespace, TRUE, $4); }
661 ;
662
663 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
664 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
665 ;
666
667 m_expr: { $$ = make_expr(EXPR_VOID); }
668 | expr
669 ;
670
671 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
672 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
673 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
674 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
675 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
676 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
677 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
678 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
679 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
680 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
681 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
682 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
683 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
684 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
685 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
686 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
687 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
688 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
689 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
690 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
691 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
692 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
693 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
694 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
695 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
696 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
697 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
698 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
699 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
700 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
701 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
702 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
703 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
704 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
705 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
706 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
707 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
708 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
709 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
710 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
711 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
712 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
713 | '(' expr ')' { $$ = $2; }
714 ;
715
716 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
717 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
718 ;
719
720 expr_int_const: expr { $$ = $1;
721 if (!$$->is_const)
722 error_loc("expression is not an integer constant\n");
723 }
724 ;
725
726 expr_const: expr { $$ = $1;
727 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
728 error_loc("expression is not constant\n");
729 }
730 ;
731
732 fields: { $$ = NULL; }
733 | fields field { $$ = append_var_list($1, $2); }
734 ;
735
736 field: m_attributes decl_spec struct_declarator_list ';'
737 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
738 check_field_attrs(first, $1);
739 $$ = set_var_types($1, $2, $3);
740 }
741 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
742 v->declspec.type = $2; v->attrs = $1;
743 $$ = append_var(NULL, v);
744 }
745 ;
746
747 ne_union_field:
748 s_field ';' { $$ = $1; }
749 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
750 ;
751
752 ne_union_fields: { $$ = NULL; }
753 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
754 ;
755
756 union_field:
757 s_field ';' { $$ = $1; }
758 | ';' { $$ = NULL; }
759 ;
760
761 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
762 $2, $3, FALSE);
763 free($3);
764 }
765 | m_attributes structdef { var_t *v = make_var(NULL);
766 v->declspec.type = $2; v->attrs = $1;
767 $$ = v;
768 }
769 ;
770
771 funcdef: declaration { $$ = $1;
772 if (type_get_type($$->declspec.type) != TYPE_FUNCTION)
773 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
774 check_function_attrs($$->name, $$->attrs);
775 }
776 ;
777
778 declaration:
779 attributes decl_spec init_declarator
780 { $$ = declare_var($1, $2, $3, FALSE);
781 free($3);
782 }
783 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
784 free($2);
785 }
786 ;
787
788 m_ident: { $$ = NULL; }
789 | ident
790 ;
791
792 t_ident: { $$ = NULL; }
793 | aIDENTIFIER { $$ = $1; }
794 | aKNOWNTYPE { $$ = $1; }
795 ;
796
797 ident: aIDENTIFIER { $$ = make_var($1); }
798 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
799 | aKNOWNTYPE { $$ = make_var($<str>1); }
800 ;
801
802 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
803 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
804 | int_std
805 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
806 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
807 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
808 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
809 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
810 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
811 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
812 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
813 ;
814
815 m_int:
816 | tINT
817 ;
818
819 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
820 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
821 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
822 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_LONG, 0); }
823 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
824 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
825 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
826 | tINT32 { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
827 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
828 ;
829
830 qualified_seq:
831 aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
832 | aIDENTIFIER '.' { push_lookup_namespace($1); } qualified_seq { $$ = $4; }
833 ;
834
835 qualified_type:
836 aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
837 | aNAMESPACE '.' { init_lookup_namespace($1); } qualified_seq { $$ = $4; }
838 ;
839
840 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
841 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, NULL, 0);
842 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
843 error_loc("%s was not declared a coclass at %s:%d\n",
844 $2, $$->loc_info.input_name,
845 $$->loc_info.line_number);
846 }
847 ;
848
849 coclasshdr: attributes coclass { $$ = $2;
850 check_def($$);
851 $$->attrs = check_coclass_attrs($2->name, $1);
852 }
853 ;
854
855 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
856 { $$ = type_coclass_define($1, $3); }
857 ;
858
859 namespacedef: tNAMESPACE aIDENTIFIER { $$ = $2; }
860 | tNAMESPACE aNAMESPACE { $$ = $2; }
861 ;
862
863 coclass_ints: { $$ = NULL; }
864 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
865 ;
866
867 coclass_int:
868 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
869 ;
870
871 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
872 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
873 ;
874
875 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
876 $$ = $2;
877 check_def($$);
878 attrs = make_attr(ATTR_DISPINTERFACE);
879 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
880 $$->defined = TRUE;
881 }
882 ;
883
884 dispint_props: tPROPERTIES ':' { $$ = NULL; }
885 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
886 ;
887
888 dispint_meths: tMETHODS ':' { $$ = NULL; }
889 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
890 ;
891
892 dispinterfacedef: dispinterfacehdr '{'
893 dispint_props
894 dispint_meths
895 '}' { $$ = $1;
896 type_dispinterface_define($$, $3, $4);
897 }
898 | dispinterfacehdr
899 '{' interface ';' '}' { $$ = $1;
900 type_dispinterface_define_from_iface($$, $3);
901 }
902 ;
903
904 inherit: { $$ = NULL; }
905 | ':' qualified_type { $$ = $2; }
906 ;
907
908 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
909 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
910 ;
911
912 interfacehdr: attributes interface { $$ = $2;
913 check_def($2);
914 $2->attrs = check_iface_attrs($2->name, $1);
915 $2->defined = TRUE;
916 }
917 ;
918
919 interfacedef: interfacehdr inherit
920 '{' int_statements '}' semicolon_opt { $$ = $1;
921 if($$ == $2)
922 error_loc("Interface can't inherit from itself\n");
923 type_interface_define($$, $2, $4);
924 check_async_uuid($$);
925 }
926 /* MIDL is able to import the definition of a base class from inside the
927 * definition of a derived class, I'll try to support it with this rule */
928 | interfacehdr ':' aIDENTIFIER
929 '{' import int_statements '}'
930 semicolon_opt { $$ = $1;
931 type_interface_define($$, find_type_or_error2($3, 0), $6);
932 }
933 | dispinterfacedef semicolon_opt { $$ = $1; }
934 ;
935
936 interfacedec:
937 interface ';' { $$ = $1; }
938 | dispinterface ';' { $$ = $1; }
939 ;
940
941 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
942 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
943 ;
944
945 modulehdr: attributes module { $$ = $2;
946 $$->attrs = check_module_attrs($2->name, $1);
947 }
948 ;
949
950 moduledef: modulehdr '{' int_statements '}'
951 semicolon_opt { $$ = $1;
952 type_module_define($$, $3);
953 }
954 ;
955
956 storage_cls_spec:
957 tEXTERN { $$ = STG_EXTERN; }
958 | tSTATIC { $$ = STG_STATIC; }
959 | tREGISTER { $$ = STG_REGISTER; }
960 ;
961
962 function_specifier:
963 tINLINE { $$ = FUNCTION_SPECIFIER_INLINE; }
964 ;
965
966 type_qualifier:
967 tCONST { $$ = TYPE_QUALIFIER_CONST; }
968 ;
969
970 m_type_qual_list: { $$ = 0; }
971 | m_type_qual_list type_qualifier { $$ = $1 | $2; }
972 ;
973
974 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, STG_NONE, 0, 0); }
975 | decl_spec_no_type type m_decl_spec_no_type
976 { $$ = make_decl_spec($2, $1, $3, STG_NONE, 0, 0); }
977 ;
978
979 m_decl_spec_no_type: { $$ = NULL; }
980 | decl_spec_no_type
981 ;
982
983 decl_spec_no_type:
984 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, STG_NONE, $1, 0); }
985 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, STG_NONE, 0, $1); }
986 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, 0, 0); }
987 ;
988
989 declarator:
990 '*' m_type_qual_list declarator %prec PPTR
991 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
992 | callconv declarator { $$ = $2; append_chain_callconv($$->type, $1); }
993 | direct_declarator
994 ;
995
996 direct_declarator:
997 ident { $$ = make_declarator($1); }
998 | '(' declarator ')' { $$ = $2; }
999 | direct_declarator array { $$ = $1; append_array($$, $2); }
1000 | direct_declarator '(' m_args ')' { $$ = $1; append_chain_type($$, type_new_function($3), 0); }
1001 ;
1002
1003 /* abstract declarator */
1004 abstract_declarator:
1005 '*' m_type_qual_list m_abstract_declarator %prec PPTR
1006 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1007 | callconv m_abstract_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1008 | abstract_direct_declarator
1009 ;
1010
1011 /* abstract declarator without accepting direct declarator */
1012 abstract_declarator_no_direct:
1013 '*' m_type_qual_list m_any_declarator %prec PPTR
1014 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1015 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1016 ;
1017
1018 /* abstract declarator or empty */
1019 m_abstract_declarator: { $$ = make_declarator(NULL); }
1020 | abstract_declarator
1021 ;
1022
1023 /* abstract direct declarator */
1024 abstract_direct_declarator:
1025 '(' abstract_declarator_no_direct ')' { $$ = $2; }
1026 | abstract_direct_declarator array { $$ = $1; append_array($$, $2); }
1027 | array { $$ = make_declarator(NULL); append_array($$, $1); }
1028 | '(' m_args ')'
1029 { $$ = make_declarator(NULL);
1030 append_chain_type($$, type_new_function($2), 0);
1031 }
1032 | abstract_direct_declarator '(' m_args ')'
1033 { $$ = $1;
1034 append_chain_type($$, type_new_function($3), 0);
1035 }
1036 ;
1037
1038 /* abstract or non-abstract declarator */
1039 any_declarator:
1040 '*' m_type_qual_list m_any_declarator %prec PPTR
1041 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1042 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1043 | any_direct_declarator
1044 ;
1045
1046 /* abstract or non-abstract declarator without accepting direct declarator */
1047 any_declarator_no_direct:
1048 '*' m_type_qual_list m_any_declarator %prec PPTR
1049 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1050 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1051 ;
1052
1053 /* abstract or non-abstract declarator or empty */
1054 m_any_declarator: { $$ = make_declarator(NULL); }
1055 | any_declarator
1056 ;
1057
1058 /* abstract or non-abstract direct declarator. note: direct declarators
1059 * aren't accepted inside brackets to avoid ambiguity with the rule for
1060 * function arguments */
1061 any_direct_declarator:
1062 ident { $$ = make_declarator($1); }
1063 | '(' any_declarator_no_direct ')' { $$ = $2; }
1064 | any_direct_declarator array { $$ = $1; append_array($$, $2); }
1065 | array { $$ = make_declarator(NULL); append_array($$, $1); }
1066 | '(' m_args ')'
1067 { $$ = make_declarator(NULL);
1068 append_chain_type($$, type_new_function($2), 0);
1069 }
1070 | any_direct_declarator '(' m_args ')'
1071 { $$ = $1;
1072 append_chain_type($$, type_new_function($3), 0);
1073 }
1074 ;
1075
1076 declarator_list:
1077 declarator { $$ = append_declarator( NULL, $1 ); }
1078 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1079 ;
1080
1081 m_bitfield: { $$ = NULL; }
1082 | ':' expr_const { $$ = $2; }
1083 ;
1084
1085 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1086 if (!$$->bits && !$$->var->name)
1087 error_loc("unnamed fields are not allowed\n");
1088 }
1089 ;
1090
1091 struct_declarator_list:
1092 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1093 | struct_declarator_list ',' struct_declarator
1094 { $$ = append_declarator( $1, $3 ); }
1095 ;
1096
1097 init_declarator:
1098 declarator { $$ = $1; }
1099 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1100 ;
1101
1102 threading_type:
1103 tAPARTMENT { $$ = THREADING_APARTMENT; }
1104 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1105 | tSINGLE { $$ = THREADING_SINGLE; }
1106 | tFREE { $$ = THREADING_FREE; }
1107 | tBOTH { $$ = THREADING_BOTH; }
1108 ;
1109
1110 pointer_type:
1111 tREF { $$ = FC_RP; }
1112 | tUNIQUE { $$ = FC_UP; }
1113 | tPTR { $$ = FC_FP; }
1114 ;
1115
1116 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); }
1117 ;
1118
1119 type: tVOID { $$ = type_new_void(); }
1120 | qualified_type { $$ = $1; }
1121 | base_type { $$ = $1; }
1122 | enumdef { $$ = $1; }
1123 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
1124 | structdef { $$ = $1; }
1125 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
1126 | uniondef { $$ = $1; }
1127 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1128 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1129 ;
1130
1131 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1132 { $1 = append_attribs($1, $3);
1133 reg_typedefs($4, $5, check_typedef_attrs($1));
1134 $$ = make_statement_typedef($5, !$4->type->defined);
1135 }
1136 ;
1137
1138 uniondef: tUNION t_ident '{' ne_union_fields '}'
1139 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1140 | tUNION t_ident
1141 tSWITCH '(' s_field ')'
1142 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1143 ;
1144
1145 version:
1146 aNUM { $$ = MAKEVERSION($1, 0); }
1147 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1148 | aHEXNUM { $$ = $1; }
1149 ;
1150
1151 acf_statements
1152 : /* empty */
1153 | acf_interface acf_statements
1154 ;
1155
1156 acf_int_statements
1157 : /* empty */
1158 | acf_int_statement acf_int_statements
1159 ;
1160
1161 acf_int_statement
1162 : tTYPEDEF acf_attributes aKNOWNTYPE ';'
1163 { type_t *type = find_type_or_error($3, 0);
1164 type->attrs = append_attr_list(type->attrs, $2);
1165 }
1166 ;
1167
1168 acf_interface
1169 : acf_attributes tINTERFACE aKNOWNTYPE '{' acf_int_statements '}'
1170 { type_t *iface = find_type_or_error2($3, 0);
1171 if (type_get_type(iface) != TYPE_INTERFACE)
1172 error_loc("%s is not an interface\n", iface->name);
1173 iface->attrs = append_attr_list(iface->attrs, $1);
1174 }
1175 ;
1176
1177 acf_attributes
1178 : /* empty */ { $$ = NULL; };
1179 | '[' acf_attribute_list ']' { $$ = $2; };
1180 ;
1181
1182 acf_attribute_list
1183 : acf_attribute { $$ = append_attr(NULL, $1); }
1184 | acf_attribute_list ',' acf_attribute { $$ = append_attr($1, $3); }
1185 ;
1186
1187 acf_attribute
1188 : tALLOCATE '(' allocate_option_list ')'
1189 { $$ = make_attrv(ATTR_ALLOCATE, $3); }
1190 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
1191 | tDECODE { $$ = make_attr(ATTR_DECODE); }
1192 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
1193 ;
1194
1195 allocate_option_list
1196 : allocate_option { $$ = $1; }
1197 | allocate_option_list ',' allocate_option
1198 { $$ = $1 | $3; }
1199 ;
1200
1201 allocate_option
1202 : tDONTFREE { $$ = FC_DONT_FREE; }
1203 | tFREE { $$ = 0; }
1204 | tALLNODES { $$ = FC_ALLOCATE_ALL_NODES; }
1205 | tSINGLENODE { $$ = 0; }
1206 ;
1207
1208 %%
1209
1210 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1211 {
1212 type_t *t = type_new_basic(type);
1213 reg_type(t, name, NULL, 0);
1214 }
1215
1216 static void decl_builtin_alias(const char *name, type_t *t)
1217 {
1218 const decl_spec_t ds = {.type = t};
1219 reg_type(type_new_alias(&ds, name), name, NULL, 0);
1220 }
1221
1222 void init_types(void)
1223 {
1224 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1225 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1226 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1227 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1228 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1229 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1230 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_CHAR));
1231 }
1232
1233 static str_list_t *append_str(str_list_t *list, char *str)
1234 {
1235 struct str_list_entry_t *entry;
1236
1237 if (!str) return list;
1238 if (!list)
1239 {
1240 list = xmalloc( sizeof(*list) );
1241 list_init( list );
1242 }
1243 entry = xmalloc( sizeof(*entry) );
1244 entry->str = str;
1245 list_add_tail( list, &entry->entry );
1246 return list;
1247 }
1248
1249 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1250 {
1251 attr_t *attr_existing;
1252 if (!attr) return list;
1253 if (!list)
1254 {
1255 list = xmalloc( sizeof(*list) );
1256 list_init( list );
1257 }
1258 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1259 if (attr_existing->type == attr->type)
1260 {
1261 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1262 /* use the last attribute, like MIDL does */
1263 list_remove(&attr_existing->entry);
1264 break;
1265 }
1266 list_add_tail( list, &attr->entry );
1267 return list;
1268 }
1269
1270 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1271 {
1272 attr_t *attr;
1273 if (!src) return dst;
1274 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1275 if (attr->type == type)
1276 {
1277 list_remove(&attr->entry);
1278 return append_attr(dst, attr);
1279 }
1280 return dst;
1281 }
1282
1283 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1284 {
1285 struct list *entry;
1286
1287 if (!old_list) return new_list;
1288
1289 while ((entry = list_head(old_list)))
1290 {
1291 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1292 list_remove(entry);
1293 new_list = append_attr(new_list, attr);
1294 }
1295 return new_list;
1296 }
1297
1298 typedef int (*map_attrs_filter_t)(attr_list_t*,const attr_t*);
1299
1300 static attr_list_t *map_attrs(const attr_list_t *list, map_attrs_filter_t filter)
1301 {
1302 attr_list_t *new_list;
1303 const attr_t *attr;
1304 attr_t *new_attr;
1305
1306 if (!list) return NULL;
1307
1308 new_list = xmalloc( sizeof(*list) );
1309 list_init( new_list );
1310 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1311 {
1312 if (filter && !filter(new_list, attr)) continue;
1313 new_attr = xmalloc(sizeof(*new_attr));
1314 *new_attr = *attr;
1315 list_add_tail(new_list, &new_attr->entry);
1316 }
1317 return new_list;
1318 }
1319
1320 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right,
1321 enum storage_class stgclass, enum type_qualifier qual, enum function_specifier func_specifier)
1322 {
1323 decl_spec_t *declspec = left ? left : right;
1324 if (!declspec)
1325 {
1326 declspec = xmalloc(sizeof(*declspec));
1327 declspec->type = NULL;
1328 declspec->stgclass = STG_NONE;
1329 declspec->qualifier = 0;
1330 declspec->func_specifier = 0;
1331 }
1332 declspec->type = type;
1333 if (left && declspec != left)
1334 {
1335 if (declspec->stgclass == STG_NONE)
1336 declspec->stgclass = left->stgclass;
1337 else if (left->stgclass != STG_NONE)
1338 error_loc("only one storage class can be specified\n");
1339 declspec->qualifier |= left->qualifier;
1340 declspec->func_specifier |= left->func_specifier;
1341 assert(!left->type);
1342 free(left);
1343 }
1344 if (right && declspec != right)
1345 {
1346 if (declspec->stgclass == STG_NONE)
1347 declspec->stgclass = right->stgclass;
1348 else if (right->stgclass != STG_NONE)
1349 error_loc("only one storage class can be specified\n");
1350 declspec->qualifier |= right->qualifier;
1351 declspec->func_specifier |= right->func_specifier;
1352 assert(!right->type);
1353 free(right);
1354 }
1355
1356 if (declspec->stgclass == STG_NONE)
1357 declspec->stgclass = stgclass;
1358 else if (stgclass != STG_NONE)
1359 error_loc("only one storage class can be specified\n");
1360 declspec->qualifier |= qual;
1361 declspec->func_specifier |= func_specifier;
1362
1363 return declspec;
1364 }
1365
1366 static attr_t *make_attr(enum attr_type type)
1367 {
1368 attr_t *a = xmalloc(sizeof(attr_t));
1369 a->type = type;
1370 a->u.ival = 0;
1371 return a;
1372 }
1373
1374 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1375 {
1376 attr_t *a = xmalloc(sizeof(attr_t));
1377 a->type = type;
1378 a->u.ival = val;
1379 return a;
1380 }
1381
1382 static attr_t *make_attrp(enum attr_type type, void *val)
1383 {
1384 attr_t *a = xmalloc(sizeof(attr_t));
1385 a->type = type;
1386 a->u.pval = val;
1387 return a;
1388 }
1389
1390 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1391 {
1392 if (!expr) return list;
1393 if (!list)
1394 {
1395 list = xmalloc( sizeof(*list) );
1396 list_init( list );
1397 }
1398 list_add_tail( list, &expr->entry );
1399 return list;
1400 }
1401
1402 static void append_array(declarator_t *decl, expr_t *expr)
1403 {
1404 type_t *array;
1405
1406 if (!expr)
1407 return;
1408
1409 /* An array is always a reference pointer unless explicitly marked otherwise
1410 * (regardless of what the default pointer attribute is). */
1411 array = type_new_array(NULL, NULL, FALSE, expr->is_const ? expr->cval : 0,
1412 expr->is_const ? NULL : expr, NULL);
1413
1414 append_chain_type(decl, array, 0);
1415 }
1416
1417 static struct list type_pool = LIST_INIT(type_pool);
1418 typedef struct
1419 {
1420 type_t data;
1421 struct list link;
1422 } type_pool_node_t;
1423
1424 type_t *alloc_type(void)
1425 {
1426 type_pool_node_t *node = xmalloc(sizeof *node);
1427 list_add_tail(&type_pool, &node->link);
1428 return &node->data;
1429 }
1430
1431 void set_all_tfswrite(int val)
1432 {
1433 type_pool_node_t *node;
1434 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1435 node->data.tfswrite = val;
1436 }
1437
1438 void clear_all_offsets(void)
1439 {
1440 type_pool_node_t *node;
1441 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1442 node->data.typestring_offset = node->data.ptrdesc = 0;
1443 }
1444
1445 static void type_function_add_head_arg(type_t *type, var_t *arg)
1446 {
1447 if (!type->details.function->args)
1448 {
1449 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1450 list_init( type->details.function->args );
1451 }
1452 list_add_head( type->details.function->args, &arg->entry );
1453 }
1454
1455 static int is_allowed_range_type(const type_t *type)
1456 {
1457 switch (type_get_type(type))
1458 {
1459 case TYPE_ENUM:
1460 return TRUE;
1461 case TYPE_BASIC:
1462 switch (type_basic_get_type(type))
1463 {
1464 case TYPE_BASIC_INT8:
1465 case TYPE_BASIC_INT16:
1466 case TYPE_BASIC_INT32:
1467 case TYPE_BASIC_INT64:
1468 case TYPE_BASIC_INT:
1469 case TYPE_BASIC_INT3264:
1470 case TYPE_BASIC_LONG:
1471 case TYPE_BASIC_BYTE:
1472 case TYPE_BASIC_CHAR:
1473 case TYPE_BASIC_WCHAR:
1474 case TYPE_BASIC_HYPER:
1475 return TRUE;
1476 case TYPE_BASIC_FLOAT:
1477 case TYPE_BASIC_DOUBLE:
1478 case TYPE_BASIC_ERROR_STATUS_T:
1479 case TYPE_BASIC_HANDLE:
1480 return FALSE;
1481 }
1482 return FALSE;
1483 default:
1484 return FALSE;
1485 }
1486 }
1487
1488 static type_t *get_chain_ref(type_t *type)
1489 {
1490 if (is_ptr(type))
1491 return type_pointer_get_ref_type(type);
1492 else if (is_array(type))
1493 return type_array_get_element_type(type);
1494 else if (is_func(type))
1495 return type_function_get_rettype(type);
1496 return NULL;
1497 }
1498
1499 static type_t *get_chain_end(type_t *type)
1500 {
1501 type_t *inner;
1502 while ((inner = get_chain_ref(type)))
1503 type = inner;
1504 return type;
1505 }
1506
1507 static void append_chain_type(declarator_t *decl, type_t *type, enum type_qualifier qual)
1508 {
1509 type_t *chain_type;
1510
1511 if (!decl->type)
1512 {
1513 decl->type = type;
1514 decl->qualifier = qual;
1515 return;
1516 }
1517 chain_type = get_chain_end(decl->type);
1518
1519 if (is_ptr(chain_type))
1520 {
1521 chain_type->details.pointer.ref.type = type;
1522 chain_type->details.pointer.ref.qualifier = qual;
1523 }
1524 else if (is_array(chain_type))
1525 {
1526 chain_type->details.array.elem.type = type;
1527 chain_type->details.array.elem.qualifier = qual;
1528 }
1529 else if (is_func(chain_type))
1530 {
1531 chain_type->details.function->retval->declspec.type = type;
1532 chain_type->details.function->retval->declspec.qualifier = qual;
1533 }
1534 else
1535 assert(0);
1536
1537 if (!is_func(chain_type))
1538 type->attrs = move_attr(type->attrs, chain_type->attrs, ATTR_CALLCONV);
1539 }
1540
1541 static void append_chain_callconv(type_t *chain, char *callconv)
1542 {
1543 type_t *chain_end;
1544
1545 if (chain && (chain_end = get_chain_end(chain)))
1546 chain_end->attrs = append_attr(chain_end->attrs, make_attrp(ATTR_CALLCONV, callconv));
1547 else
1548 error_loc("calling convention applied to non-function type\n");
1549 }
1550
1551 static warning_list_t *append_warning(warning_list_t *list, int num)
1552 {
1553 warning_t *entry;
1554
1555 if(!list)
1556 {
1557 list = xmalloc( sizeof(*list) );
1558 list_init( list );
1559 }
1560 entry = xmalloc( sizeof(*entry) );
1561 entry->num = num;
1562 list_add_tail( list, &entry->entry );
1563 return list;
1564 }
1565
1566 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl,
1567 int top)
1568 {
1569 var_t *v = decl->var;
1570 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1571 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1572 expr_t *dim;
1573 type_t **ptype;
1574 type_t *type = decl_spec->type;
1575
1576 if (decl_spec->func_specifier & FUNCTION_SPECIFIER_INLINE)
1577 {
1578 if (!decl || !is_func(decl->type))
1579 error_loc("inline attribute applied to non-function type\n");
1580 }
1581
1582 /* add type onto the end of the pointers in pident->type */
1583 append_chain_type(decl, type, decl_spec->qualifier);
1584 v->declspec = *decl_spec;
1585 v->declspec.type = decl->type;
1586 v->declspec.qualifier = decl->qualifier;
1587 v->attrs = attrs;
1588 v->declonly = !type->defined;
1589
1590 if (is_attr(type->attrs, ATTR_CALLCONV) && !is_func(type))
1591 error_loc("calling convention applied to non-function type\n");
1592
1593 /* check for pointer attribute being applied to non-pointer, non-array
1594 * type */
1595 if (!is_array(v->declspec.type))
1596 {
1597 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1598 const type_t *ptr = NULL;
1599 for (ptr = v->declspec.type; ptr && !ptr_attr; )
1600 {
1601 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1602 if (!ptr_attr && type_is_alias(ptr))
1603 ptr = type_alias_get_aliasee_type(ptr);
1604 else
1605 break;
1606 }
1607 if (is_ptr(ptr))
1608 {
1609 if (ptr_attr && ptr_attr != FC_UP &&
1610 type_get_type(type_pointer_get_ref_type(ptr)) == TYPE_INTERFACE)
1611 warning_loc_info(&v->loc_info,
1612 "%s: pointer attribute applied to interface "
1613 "pointer type has no effect\n", v->name);
1614 if (!ptr_attr && top)
1615 {
1616 /* FIXME: this is a horrible hack to cope with the issue that we
1617 * store an offset to the typeformat string in the type object, but
1618 * two typeformat strings may be written depending on whether the
1619 * pointer is a toplevel parameter or not */
1620 v->declspec.type = duptype(v->declspec.type, 1);
1621 }
1622 }
1623 else if (ptr_attr)
1624 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1625 }
1626
1627 if (is_attr(v->attrs, ATTR_STRING))
1628 {
1629 type_t *t = type;
1630
1631 if (!is_ptr(v->declspec.type) && !is_array(v->declspec.type))
1632 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1633 v->name);
1634
1635 for (;;)
1636 {
1637 if (is_ptr(t))
1638 t = type_pointer_get_ref_type(t);
1639 else if (is_array(t))
1640 t = type_array_get_element_type(t);
1641 else
1642 break;
1643 }
1644
1645 if (type_get_type(t) != TYPE_BASIC &&
1646 (get_basic_fc(t) != FC_CHAR &&
1647 get_basic_fc(t) != FC_BYTE &&
1648 get_basic_fc(t) != FC_WCHAR))
1649 {
1650 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1651 v->name);
1652 }
1653 }
1654
1655 if (is_attr(v->attrs, ATTR_V1ENUM))
1656 {
1657 if (type_get_type_detect_alias(v->declspec.type) != TYPE_ENUM)
1658 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1659 }
1660
1661 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->declspec.type))
1662 error_loc("'%s': [range] attribute applied to non-integer type\n",
1663 v->name);
1664
1665 ptype = &v->declspec.type;
1666 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1667 {
1668 if (dim->type != EXPR_VOID)
1669 {
1670 if (is_array(*ptype))
1671 {
1672 if (!type_array_get_conformance(*ptype) ||
1673 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1674 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1675 else
1676 *ptype = type_new_array((*ptype)->name,
1677 type_array_get_element(*ptype), FALSE,
1678 0, dim, NULL);
1679 }
1680 else if (is_ptr(*ptype))
1681 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1682 0, dim, NULL);
1683 else
1684 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1685 }
1686
1687 if (is_ptr(*ptype))
1688 ptype = &(*ptype)->details.pointer.ref.type;
1689 else if (is_array(*ptype))
1690 ptype = &(*ptype)->details.array.elem.type;
1691 else
1692 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1693 }
1694
1695 ptype = &v->declspec.type;
1696 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1697 {
1698 if (dim->type != EXPR_VOID)
1699 {
1700 if (is_array(*ptype))
1701 {
1702 *ptype = type_new_array((*ptype)->name,
1703 type_array_get_element(*ptype),
1704 type_array_is_decl_as_ptr(*ptype),
1705 type_array_get_dim(*ptype),
1706 type_array_get_conformance(*ptype), dim);
1707 }
1708 else
1709 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1710 }
1711
1712 if (is_ptr(*ptype))
1713 ptype = &(*ptype)->details.pointer.ref.type;
1714 else if (is_array(*ptype))
1715 ptype = &(*ptype)->details.array.elem.type;
1716 else
1717 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1718 }
1719
1720 if (decl->bits)
1721 v->declspec.type = type_new_bitfield(v->declspec.type, decl->bits);
1722
1723 return v;
1724 }
1725
1726 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1727 {
1728 declarator_t *decl, *next;
1729 var_list_t *var_list = NULL;
1730
1731 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1732 {
1733 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1734 var_list = append_var(var_list, var);
1735 free(decl);
1736 }
1737 free(decl_spec);
1738 return var_list;
1739 }
1740
1741 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1742 {
1743 if (!iface) return list;
1744 if (!list)
1745 {
1746 list = xmalloc( sizeof(*list) );
1747 list_init( list );
1748 }
1749 list_add_tail( list, &iface->entry );
1750 return list;
1751 }
1752
1753 static ifref_t *make_ifref(type_t *iface)
1754 {
1755 ifref_t *l = xmalloc(sizeof(ifref_t));
1756 l->iface = iface;
1757 l->attrs = NULL;
1758 return l;
1759 }
1760
1761 var_list_t *append_var(var_list_t *list, var_t *var)
1762 {
1763 if (!var) return list;
1764 if (!list)
1765 {
1766 list = xmalloc( sizeof(*list) );
1767 list_init( list );
1768 }
1769 list_add_tail( list, &var->entry );
1770 return list;
1771 }
1772
1773 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1774 {
1775 if (!vars) return list;
1776 if (!list)
1777 {
1778 list = xmalloc( sizeof(*list) );
1779 list_init( list );
1780 }
1781 list_move_tail( list, vars );
1782 return list;
1783 }
1784
1785 var_t *make_var(char *name)
1786 {
1787 var_t *v = xmalloc(sizeof(var_t));
1788 v->name = name;
1789 init_declspec(&v->declspec, NULL);
1790 v->attrs = NULL;
1791 v->eval = NULL;
1792 init_loc_info(&v->loc_info);
1793 v->declonly = FALSE;
1794 return v;
1795 }
1796
1797 static var_t *copy_var(var_t *src, char *name, map_attrs_filter_t attr_filter)
1798 {
1799 var_t *v = xmalloc(sizeof(var_t));
1800 v->name = name;
1801 v->declspec = src->declspec;
1802 v->attrs = map_attrs(src->attrs, attr_filter);
1803 v->eval = src->eval;
1804 v->loc_info = src->loc_info;
1805 return v;
1806 }
1807
1808 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1809 {
1810 if (!d) return list;
1811 if (!list) {
1812 list = xmalloc(sizeof(*list));
1813 list_init(list);
1814 }
1815 list_add_tail(list, &d->entry);
1816 return list;
1817 }
1818
1819 static declarator_t *make_declarator(var_t *var)
1820 {
1821 declarator_t *d = xmalloc(sizeof(*d));
1822 d->var = var ? var : make_var(NULL);
1823 d->type = NULL;
1824 d->qualifier = 0;
1825 d->bits = NULL;
1826 return d;
1827 }
1828
1829 static type_t *make_safearray(type_t *type)
1830 {
1831 decl_spec_t ds = {.type = type};
1832 ds.type = type_new_alias(&ds, "SAFEARRAY");
1833 return type_new_array(NULL, &ds, TRUE, 0, NULL, NULL);
1834 }
1835
1836 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1837 {
1838 typelib_t *typelib = xmalloc(sizeof(*typelib));
1839 memset(typelib, 0, sizeof(*typelib));
1840 typelib->name = xstrdup(name);
1841 typelib->attrs = attrs;
1842 list_init( &typelib->importlibs );
1843 return typelib;
1844 }
1845
1846 static int hash_ident(const char *name)
1847 {
1848 const char *p = name;
1849 int sum = 0;
1850 /* a simple sum hash is probably good enough */
1851 while (*p) {
1852 sum += *p;
1853 p++;
1854 }
1855 return sum & (HASHMAX-1);
1856 }
1857
1858 /***** type repository *****/
1859
1860 static struct namespace *find_sub_namespace(struct namespace *namespace, const char *name)
1861 {
1862 struct namespace *cur;
1863
1864 LIST_FOR_EACH_ENTRY(cur, &namespace->children, struct namespace, entry) {
1865 if(!strcmp(cur->name, name))
1866 return cur;
1867 }
1868
1869 return NULL;
1870 }
1871
1872 static void push_namespace(const char *name)
1873 {
1874 struct namespace *namespace;
1875
1876 namespace = find_sub_namespace(current_namespace, name);
1877 if(!namespace) {
1878 namespace = xmalloc(sizeof(*namespace));
1879 namespace->name = xstrdup(name);
1880 namespace->parent = current_namespace;
1881 list_add_tail(&current_namespace->children, &namespace->entry);
1882 list_init(&namespace->children);
1883 memset(namespace->type_hash, 0, sizeof(namespace->type_hash));
1884 }
1885
1886 current_namespace = namespace;
1887 }
1888
1889 static void pop_namespace(const char *name)
1890 {
1891 assert(!strcmp(current_namespace->name, name) && current_namespace->parent);
1892 current_namespace = current_namespace->parent;
1893 }
1894
1895 static void init_lookup_namespace(const char *name)
1896 {
1897 if (!(lookup_namespace = find_sub_namespace(&global_namespace, name)))
1898 error_loc("namespace '%s' not found\n", name);
1899 }
1900
1901 static void push_lookup_namespace(const char *name)
1902 {
1903 struct namespace *namespace;
1904 if (!(namespace = find_sub_namespace(lookup_namespace, name)))
1905 error_loc("namespace '%s' not found\n", name);
1906 lookup_namespace = namespace;
1907 }
1908
1909 struct rtype {
1910 const char *name;
1911 type_t *type;
1912 int t;
1913 struct rtype *next;
1914 };
1915
1916 type_t *reg_type(type_t *type, const char *name, struct namespace *namespace, int t)
1917 {
1918 struct rtype *nt;
1919 int hash;
1920 if (!name) {
1921 error_loc("registering named type without name\n");
1922 return type;
1923 }
1924 if (!namespace)
1925 namespace = &global_namespace;
1926 hash = hash_ident(name);
1927 nt = xmalloc(sizeof(struct rtype));
1928 nt->name = name;
1929 if (is_global_namespace(namespace))
1930 type->c_name = name;
1931 else
1932 type->c_name = format_namespace(namespace, "__x_", "_C", name);
1933 nt->type = type;
1934 nt->t = t;
1935 nt->next = namespace->type_hash[hash];
1936 namespace->type_hash[hash] = nt;
1937 return type;
1938 }
1939
1940 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1941 {
1942 declarator_t *decl;
1943 type_t *type = decl_spec->type;
1944
1945 if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1946 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1947
1948 /* We must generate names for tagless enum, struct or union.
1949 Typedef-ing a tagless enum, struct or union means we want the typedef
1950 to be included in a library hence the public attribute. */
1951 if (type_get_type_detect_alias(type) == TYPE_ENUM ||
1952 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1953 type_get_type_detect_alias(type) == TYPE_UNION ||
1954 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION)
1955 {
1956 if (!type->name)
1957 {
1958 type->name = gen_name();
1959 if (!is_attr(attrs, ATTR_PUBLIC))
1960 attrs = append_attr(attrs, make_attr(ATTR_PUBLIC));
1961 }
1962
1963 /* replace existing attributes when generating a typelib */
1964 if (do_typelib)
1965 type->attrs = attrs;
1966 }
1967
1968 LIST_FOR_EACH_ENTRY( decl, decls, declarator_t, entry )
1969 {
1970
1971 if (decl->var->name) {
1972 type_t *cur;
1973 var_t *name;
1974
1975 cur = find_type(decl->var->name, current_namespace, 0);
1976
1977 /*
1978 * MIDL allows shadowing types that are declared in imported files.
1979 * We don't throw an error in this case and instead add a new type
1980 * (which is earlier on the list in hash table, so it will be used
1981 * instead of shadowed type).
1982 *
1983 * FIXME: We may consider string separated type tables for each input
1984 * for cleaner solution.
1985 */
1986 if (cur && input_name == cur->loc_info.input_name)
1987 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1988 cur->name, cur->loc_info.input_name,
1989 cur->loc_info.line_number);
1990
1991 name = declare_var(attrs, decl_spec, decl, 0);
1992 cur = type_new_alias(&name->declspec, name->name);
1993 cur->attrs = attrs;
1994
1995 reg_type(cur, cur->name, current_namespace, 0);
1996 }
1997 }
1998 return type;
1999 }
2000
2001 type_t *find_type(const char *name, struct namespace *namespace, int t)
2002 {
2003 struct rtype *cur;
2004
2005 if(namespace && namespace != &global_namespace) {
2006 for(cur = namespace->type_hash[hash_ident(name)]; cur; cur = cur->next) {
2007 if(cur->t == t && !strcmp(cur->name, name))
2008 return cur->type;
2009 }
2010 }
2011 for(cur = global_namespace.type_hash[hash_ident(name)]; cur; cur = cur->next) {
2012 if(cur->t == t && !strcmp(cur->name, name))
2013 return cur->type;
2014 }
2015 return NULL;
2016 }
2017
2018 static type_t *find_type_or_error(const char *name, int t)
2019 {
2020 type_t *type;
2021 if (!(type = find_type(name, current_namespace, t)) &&
2022 !(type = find_type(name, lookup_namespace, t)))
2023 {
2024 error_loc("type '%s' not found\n", name);
2025 return NULL;
2026 }
2027 return type;
2028 }
2029
2030 static type_t *find_type_or_error2(char *name, int t)
2031 {
2032 type_t *tp = find_type_or_error(name, t);
2033 free(name);
2034 return tp;
2035 }
2036
2037 int is_type(const char *name)
2038 {
2039 return find_type(name, current_namespace, 0) != NULL ||
2040 find_type(name, lookup_namespace, 0) != NULL;
2041 }
2042
2043 int is_namespace(const char *name)
2044 {
2045 if (!winrt_mode) return 0;
2046 return find_sub_namespace(current_namespace, name) != NULL ||
2047 find_sub_namespace(&global_namespace, name) != NULL;
2048 }
2049
2050 type_t *get_type(enum type_type type, char *name, struct namespace *namespace, int t)
2051 {
2052 type_t *tp;
2053 if (!namespace)
2054 namespace = &global_namespace;
2055 if (name) {
2056 tp = find_type(name, namespace, t);
2057 if (tp) {
2058 free(name);
2059 return tp;
2060 }
2061 }
2062 tp = make_type(type);
2063 tp->name = name;
2064 tp->namespace = namespace;
2065 if (!name) return tp;
2066 return reg_type(tp, name, namespace, t);
2067 }
2068
2069 /***** constant repository *****/
2070
2071 struct rconst {
2072 char *name;
2073 var_t *var;
2074 struct rconst *next;
2075 };
2076
2077 struct rconst *const_hash[HASHMAX];
2078
2079 static var_t *reg_const(var_t *var)
2080 {
2081 struct rconst *nc;
2082 int hash;
2083 if (!var->name) {
2084 error_loc("registering constant without name\n");
2085 return var;
2086 }
2087 hash = hash_ident(var->name);
2088 nc = xmalloc(sizeof(struct rconst));
2089 nc->name = var->name;
2090 nc->var = var;
2091 nc->next = const_hash[hash];
2092 const_hash[hash] = nc;
2093 return var;
2094 }
2095
2096 var_t *find_const(const char *name, int f)
2097 {
2098 struct rconst *cur = const_hash[hash_ident(name)];
2099 while (cur && strcmp(cur->name, name))
2100 cur = cur->next;
2101 if (!cur) {
2102 if (f) error_loc("constant '%s' not found\n", name);
2103 return NULL;
2104 }
2105 return cur->var;
2106 }
2107
2108 char *gen_name(void)
2109 {
2110 static unsigned long n = 0;
2111 static const char *file_id;
2112
2113 if (! file_id)
2114 {
2115 char *dst = dup_basename(input_idl_name, ".idl");
2116 file_id = dst;
2117
2118 for (; *dst; ++dst)
2119 if (! isalnum((unsigned char) *dst))
2120 *dst = '_';
2121 }
2122 return strmake("__WIDL_%s_generated_name_%08lX", file_id, n++);
2123 }
2124
2125 struct allowed_attr
2126 {
2127 unsigned int dce_compatible : 1;
2128 unsigned int acf : 1;
2129 unsigned int on_interface : 1;
2130 unsigned int on_function : 1;
2131 unsigned int on_arg : 1;
2132 unsigned int on_type : 1;
2133 unsigned int on_enum : 1;
2134 unsigned int on_enum_member : 1;
2135 unsigned int on_struct : 2;
2136 unsigned int on_union : 1;
2137 unsigned int on_field : 1;
2138 unsigned int on_library : 1;
2139 unsigned int on_dispinterface : 1;
2140 unsigned int on_module : 1;
2141 unsigned int on_coclass : 1;
2142 const char *display_name;
2143 };
2144
2145 struct allowed_attr allowed_attr[] =
2146 {
2147 /* attr { D ACF I Fn ARG T En Enm St Un Fi L DI M C <display name> } */
2148 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2149 /* ATTR_ALLOCATE */ { 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "allocate" },
2150 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2151 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2152 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2153 /* ATTR_ASYNCUUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "async_uuid" },
2154 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2155 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2156 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2157 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2158 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2159 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2160 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2161 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2162 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2163 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2164 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2165 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2166 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2167 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2168 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2169 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2170 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2171 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2172 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2173 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2174 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2175 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2176 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2177 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2178 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2179 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2180 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2181 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2182 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2183 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2184 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2185 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2186 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2187 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2188 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2189 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2190 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2191 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2192 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2193 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2194 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2195 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2196 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2197 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2198 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2199 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2200 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2201 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2202 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2203 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2204 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2205 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2206 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2207 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2208 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2209 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2210 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2211 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2212 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2213 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2214 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2215 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2216 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2217 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2218 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2219 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2220 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2221 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2222 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2223 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2224 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2225 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "range" },
2226 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2227 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2228 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2229 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, "restricted" },
2230 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2231 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2232 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2233 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2234 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2235 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2236 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2237 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2238 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2239 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2240 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2241 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2242 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, "uuid" },
2243 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2244 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2245 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 0, 1, "version" },
2246 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2247 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2248 };
2249
2250 const char *get_attr_display_name(enum attr_type type)
2251 {
2252 return allowed_attr[type].display_name;
2253 }
2254
2255 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2256 {
2257 const attr_t *attr;
2258 if (!attrs) return attrs;
2259 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2260 {
2261 if (!allowed_attr[attr->type].on_interface)
2262 error_loc("inapplicable attribute %s for interface %s\n",
2263 allowed_attr[attr->type].display_name, name);
2264 if (attr->type == ATTR_IMPLICIT_HANDLE)
2265 {
2266 const var_t *var = attr->u.pval;
2267 if (type_get_type( var->declspec.type) == TYPE_BASIC &&
2268 type_basic_get_type( var->declspec.type ) == TYPE_BASIC_HANDLE)
2269 continue;
2270 if (is_aliaschain_attr( var->declspec.type, ATTR_HANDLE ))
2271 continue;
2272 error_loc("attribute %s requires a handle type in interface %s\n",
2273 allowed_attr[attr->type].display_name, name);
2274 }
2275 }
2276 return attrs;
2277 }
2278
2279 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2280 {
2281 const attr_t *attr;
2282 if (!attrs) return attrs;
2283 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2284 {
2285 if (!allowed_attr[attr->type].on_function)
2286 error_loc("inapplicable attribute %s for function %s\n",
2287 allowed_attr[attr->type].display_name, name);
2288 }
2289 return attrs;
2290 }
2291
2292 static void check_arg_attrs(const var_t *arg)
2293 {
2294 const attr_t *attr;
2295
2296 if (arg->attrs)
2297 {
2298 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2299 {
2300 if (!allowed_attr[attr->type].on_arg)
2301 error_loc("inapplicable attribute %s for argument %s\n",
2302 allowed_attr[attr->type].display_name, arg->name);
2303 }
2304 }
2305 }
2306
2307 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2308 {
2309 const attr_t *attr;
2310 if (!attrs) return attrs;
2311 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2312 {
2313 if (!allowed_attr[attr->type].on_type)
2314 error_loc("inapplicable attribute %s for typedef\n",
2315 allowed_attr[attr->type].display_name);
2316 }
2317 return attrs;
2318 }
2319
2320 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2321 {
2322 const attr_t *attr;
2323 if (!attrs) return attrs;
2324 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2325 {
2326 if (!allowed_attr[attr->type].on_enum)
2327 error_loc("inapplicable attribute %s for enum\n",
2328 allowed_attr[attr->type].display_name);
2329 }
2330 return attrs;
2331 }
2332
2333 static attr_list_t *check_enum_member_attrs(attr_list_t *attrs)
2334 {
2335 const attr_t *attr;
2336 if (!attrs) return attrs;
2337 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2338 {
2339 if (!allowed_attr[attr->type].on_enum_member)
2340 error_loc("inapplicable attribute %s for enum member\n",
2341 allowed_attr[attr->type].display_name);
2342 }
2343 return attrs;
2344 }
2345
2346 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2347 {
2348 int mask = winrt_mode ? 3 : 1;
2349 const attr_t *attr;
2350 if (!attrs) return attrs;
2351 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2352 {
2353 if (!(allowed_attr[attr->type].on_struct & mask))
2354 error_loc("inapplicable attribute %s for struct\n",
2355 allowed_attr[attr->type].display_name);
2356 }
2357 return attrs;
2358 }
2359
2360 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2361 {
2362 const attr_t *attr;
2363 if (!attrs) return attrs;
2364 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2365 {
2366 if (!allowed_attr[attr->type].on_union)
2367 error_loc("inapplicable attribute %s for union\n",
2368 allowed_attr[attr->type].display_name);
2369 }
2370 return attrs;
2371 }
2372
2373 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2374 {
2375 const attr_t *attr;
2376 if (!attrs) return attrs;
2377 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2378 {
2379 if (!allowed_attr[attr->type].on_field)
2380 error_loc("inapplicable attribute %s for field %s\n",
2381 allowed_attr[attr->type].display_name, name);
2382 }
2383 return attrs;
2384 }
2385
2386 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2387 {
2388 const attr_t *attr;
2389 if (!attrs) return attrs;
2390 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2391 {
2392 if (!allowed_attr[attr->type].on_library)
2393 error_loc("inapplicable attribute %s for library %s\n",
2394 allowed_attr[attr->type].display_name, name);
2395 }
2396 return attrs;
2397 }
2398
2399 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2400 {
2401 const attr_t *attr;
2402 if (!attrs) return attrs;
2403 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2404 {
2405 if (!allowed_attr[attr->type].on_dispinterface)
2406 error_loc("inapplicable attribute %s for dispinterface %s\n",
2407 allowed_attr[attr->type].display_name, name);
2408 }
2409 return attrs;
2410 }
2411
2412 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2413 {
2414 const attr_t *attr;
2415 if (!attrs) return attrs;
2416 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2417 {
2418 if (!allowed_attr[attr->type].on_module)
2419 error_loc("inapplicable attribute %s for module %s\n",
2420 allowed_attr[attr->type].display_name, name);
2421 }
2422 return attrs;
2423 }
2424
2425 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2426 {
2427 const attr_t *attr;
2428 if (!attrs) return attrs;
2429 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2430 {
2431 if (!allowed_attr[attr->type].on_coclass)
2432 error_loc("inapplicable attribute %s for coclass %s\n",
2433 allowed_attr[attr->type].display_name, name);
2434 }
2435 return attrs;
2436 }
2437
2438 static int is_allowed_conf_type(const type_t *type)
2439 {
2440 switch (type_get_type(type))
2441 {
2442 case TYPE_ENUM:
2443 return TRUE;
2444 case TYPE_BASIC:
2445 switch (type_basic_get_type(type))
2446 {
2447 case TYPE_BASIC_INT8:
2448 case TYPE_BASIC_INT16:
2449 case TYPE_BASIC_INT32:
2450 case TYPE_BASIC_INT64:
2451 case TYPE_BASIC_INT:
2452 case TYPE_BASIC_LONG:
2453 case TYPE_BASIC_CHAR:
2454 case TYPE_BASIC_HYPER:
2455 case TYPE_BASIC_BYTE:
2456 case TYPE_BASIC_WCHAR:
2457 return TRUE;
2458 default:
2459 return FALSE;
2460 }
2461 case TYPE_ALIAS:
2462 /* shouldn't get here because of type_get_type call above */
2463 assert(0);
2464 /* fall through */
2465 case TYPE_STRUCT:
2466 case TYPE_UNION:
2467 case TYPE_ENCAPSULATED_UNION:
2468 case TYPE_ARRAY:
2469 case TYPE_POINTER:
2470 case TYPE_VOID:
2471 case TYPE_MODULE:
2472 case TYPE_COCLASS:
2473 case TYPE_FUNCTION:
2474 case TYPE_INTERFACE:
2475 case TYPE_BITFIELD:
2476 return FALSE;
2477 }
2478 return FALSE;
2479 }
2480
2481 static int is_ptr_guid_type(const type_t *type)
2482 {
2483 /* first, make sure it is a pointer to something */
2484 if (!is_ptr(type)) return FALSE;
2485
2486 /* second, make sure it is a pointer to something of size sizeof(GUID),
2487 * i.e. 16 bytes */
2488 return (type_memsize(type_pointer_get_ref_type(type)) == 16);
2489 }
2490
2491 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2492 {
2493 expr_t *dim;
2494 struct expr_loc expr_loc;
2495 expr_loc.v = arg;
2496 expr_loc.attr = attr_name;
2497 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2498 {
2499 if (dim->type != EXPR_VOID)
2500 {
2501 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2502 if (!is_allowed_conf_type(expr_type))
2503 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2504 attr_name);
2505 }
2506 }
2507 }
2508
2509 static void check_remoting_fields(const var_t *var, type_t *type);
2510
2511 /* checks that properties common to fields and arguments are consistent */
2512 static void check_field_common(const type_t *container_type,
2513 const char *container_name, const var_t *arg)
2514 {
2515 type_t *type = arg->declspec.type;
2516 int more_to_do;
2517 const char *container_type_name;
2518 const char *var_type;
2519
2520 switch (type_get_type(container_type))
2521 {
2522 case TYPE_STRUCT:
2523 container_type_name = "struct";
2524 var_type = "field";
2525 break;
2526 case TYPE_UNION:
2527 container_type_name = "union";
2528 var_type = "arm";
2529 break;
2530 case TYPE_ENCAPSULATED_UNION:
2531 container_type_name = "encapsulated union";
2532 var_type = "arm";
2533 break;
2534 case TYPE_FUNCTION:
2535 container_type_name = "function";
2536 var_type = "parameter";
2537 break;
2538 default:
2539 /* should be no other container types */
2540 assert(0);
2541 return;
2542 }
2543
2544 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2545 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->declspec.type, ATTR_STRING)))
2546 error_loc_info(&arg->loc_info,
2547 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2548 arg->name);
2549
2550 if (is_attr(arg->attrs, ATTR_SIZEIS))
2551 {
2552 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2553 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2554 }
2555 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2556 {
2557 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2558 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2559 }
2560 if (is_attr(arg->attrs, ATTR_IIDIS))
2561 {
2562 struct expr_loc expr_loc;
2563 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2564 if (expr->type != EXPR_VOID)
2565 {
2566 const type_t *expr_type;
2567 expr_loc.v = arg;
2568 expr_loc.attr = "iid_is";
2569 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2570 if (!expr_type || !is_ptr_guid_type(expr_type))
2571 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2572 }
2573 }
2574 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2575 {
2576 struct expr_loc expr_loc;
2577 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2578 if (expr->type != EXPR_VOID)
2579 {
2580 const type_t *expr_type;
2581 expr_loc.v = arg;
2582 expr_loc.attr = "switch_is";
2583 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2584 if (!expr_type || !is_allowed_conf_type(expr_type))
2585 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2586 expr_loc.attr);
2587 }
2588 }
2589
2590 do
2591 {
2592 more_to_do = FALSE;
2593
2594 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2595 {
2596 case TGT_STRUCT:
2597 case TGT_UNION:
2598 check_remoting_fields(arg, type);
2599 break;
2600 case TGT_INVALID:
2601 {
2602 const char *reason = "is invalid";
2603 switch (type_get_type(type))
2604 {
2605 case TYPE_VOID:
2606 reason = "cannot derive from void *";
2607 break;
2608 case TYPE_FUNCTION:
2609 reason = "cannot be a function pointer";
2610 break;
2611 case TYPE_BITFIELD:
2612 reason = "cannot be a bit-field";
2613 break;
2614 case TYPE_COCLASS:
2615 reason = "cannot be a class";
2616 break;
2617 case TYPE_INTERFACE:
2618 reason = "cannot be a non-pointer to an interface";
2619 break;
2620 case TYPE_MODULE:
2621 reason = "cannot be a module";
2622 break;
2623 default:
2624 break;
2625 }
2626 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2627 var_type, arg->name, container_type_name, container_name, reason);
2628 break;
2629 }
2630 case TGT_CTXT_HANDLE:
2631 case TGT_CTXT_HANDLE_POINTER:
2632 if (type_get_type(container_type) != TYPE_FUNCTION)
2633 error_loc_info(&arg->loc_info,
2634 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2635 var_type, arg->name, container_type_name,
2636 container_name);
2637 break;
2638 case TGT_STRING:
2639 {
2640 const type_t *t = type;
2641 while (is_ptr(t))
2642 t = type_pointer_get_ref_type(t);
2643 if (is_aliaschain_attr(t, ATTR_RANGE))
2644 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2645 break;
2646 }
2647 case TGT_POINTER:
2648 type = type_pointer_get_ref_type(type);
2649 more_to_do = TRUE;
2650 break;
2651 case TGT_ARRAY:
2652 type = type_array_get_element_type(type);
2653 more_to_do = TRUE;
2654 break;
2655 case TGT_ENUM:
2656 type = type_get_real_type(type);
2657 if (!type_is_complete(type))
2658 {
2659 error_loc_info(&arg->loc_info, "undefined type declaration \"enum %s\"\n", type->name);
2660 }
2661 case TGT_USER_TYPE:
2662 case TGT_IFACE_POINTER:
2663 case TGT_BASIC:
2664 case TGT_RANGE:
2665 /* nothing to do */
2666 break;
2667 }
2668 } while (more_to_do);
2669 }
2670
2671 static void check_remoting_fields(const var_t *var, type_t *type)
2672 {
2673 const var_t *field;
2674 const var_list_t *fields = NULL;
2675
2676 type = type_get_real_type(type);
2677
2678 if (type->checked)
2679 return;
2680
2681 type->checked = TRUE;
2682
2683 if (type_get_type(type) == TYPE_STRUCT)
2684 {
2685 if (type_is_complete(type))
2686 fields = type_struct_get_fields(type);
2687 else
2688 error_loc_info(&var->loc_info, "undefined type declaration \"struct %s\"\n", type->name);
2689 }
2690 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2691 {
2692 if (type_is_complete(type))
2693 fields = type_union_get_cases(type);
2694 else
2695 error_loc_info(&var->loc_info, "undefined type declaration \"union %s\"\n", type->name);
2696 }
2697
2698 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2699 if (field->declspec.type) check_field_common(type, type->name, field);
2700 }
2701
2702 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2703 static void check_remoting_args(const var_t *func)
2704 {
2705 const char *funcname = func->name;
2706 const var_t *arg;
2707
2708 if (!type_function_get_args(func->declspec.type))
2709 return;
2710
2711 LIST_FOR_EACH_ENTRY( arg, type_function_get_args(func->declspec.type), const var_t, entry )
2712 {
2713 const type_t *type = arg->declspec.type;
2714
2715 /* check that [out] parameters have enough pointer levels */
2716 if (is_attr(arg->attrs, ATTR_OUT))
2717 {
2718 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2719 {
2720 case TGT_BASIC:
2721 case TGT_ENUM:
2722 case TGT_RANGE:
2723 case TGT_STRUCT:
2724 case TGT_UNION:
2725 case TGT_CTXT_HANDLE:
2726 case TGT_USER_TYPE:
2727 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2728 break;
2729 case TGT_IFACE_POINTER:
2730 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2731 break;
2732 case TGT_STRING:
2733 if (is_array(type))
2734 {
2735 /* needs conformance or fixed dimension */
2736 if (type_array_has_conformance(type) &&
2737 type_array_get_conformance(type)->type != EXPR_VOID) break;
2738 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2739 }
2740 if (is_attr( arg->attrs, ATTR_IN )) break;
2741 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2742 break;
2743 case TGT_INVALID:
2744 /* already error'd before we get here */
2745 case TGT_CTXT_HANDLE_POINTER:
2746 case TGT_POINTER:
2747 case TGT_ARRAY:
2748 /* OK */
2749 break;
2750 }
2751 }
2752
2753 check_field_common(func->declspec.type, funcname, arg);
2754 }
2755
2756 if (type_get_type(type_function_get_rettype(func->declspec.type)) != TYPE_VOID)
2757 {
2758 var_t var;
2759 var = *func;
2760 var.declspec.type = type_function_get_rettype(func->declspec.type);
2761 var.name = xstrdup("return value");
2762 check_field_common(func->declspec.type, funcname, &var);
2763 free(var.name);
2764 }
2765 }
2766
2767 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2768 {
2769 unsigned char explicit_fc, implicit_fc;
2770
2771 /* check for a defined binding handle */
2772 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2773 {
2774 /* no explicit handle specified so add
2775 * "[in] handle_t IDL_handle" as the first parameter to the
2776 * function */
2777 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2778 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2779 idl_handle->declspec.type = find_type_or_error("handle_t", 0);
2780 type_function_add_head_arg(func->declspec.type, idl_handle);
2781 }
2782 }
2783
2784 static void check_functions(const type_t *iface, int is_inside_library)
2785 {
2786 const statement_t *stmt;
2787 /* check for duplicates */
2788 if (is_attr(iface->attrs, ATTR_DISPINTERFACE))
2789 {
2790 var_list_t *methods = type_dispiface_get_methods(iface);
2791 var_t *func, *func_iter;
2792
2793 if (methods) LIST_FOR_EACH_ENTRY( func, methods, var_t, entry )
2794 {
2795 LIST_FOR_EACH_ENTRY( func_iter, methods, var_t, entry )
2796 {
2797 if (func == func_iter) break;
2798 if (strcmp(func->name, func_iter->name)) continue;
2799 if (is_attr(func->attrs, ATTR_PROPGET) != is_attr(func_iter->attrs, ATTR_PROPGET)) continue;
2800 if (is_attr(func->attrs, ATTR_PROPPUT) != is_attr(func_iter->attrs, ATTR_PROPPUT)) continue;
2801 if (is_attr(func->attrs, ATTR_PROPPUTREF) != is_attr(func_iter->attrs, ATTR_PROPPUTREF)) continue;
2802 error_loc_info(&func->loc_info, "duplicated function \'%s\'\n", func->name);
2803 }
2804 }
2805 }
2806 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2807 {
2808 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2809 {
2810 var_t *func = stmt->u.var;
2811 add_explicit_handle_if_necessary(iface, func);
2812 }
2813 }
2814 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2815 {
2816 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2817 {
2818 const var_t *func = stmt->u.var;
2819 if (!is_attr(func->attrs, ATTR_LOCAL))
2820 check_remoting_args(func);
2821 }
2822 }
2823 }
2824
2825 static int async_iface_attrs(attr_list_t *attrs, const attr_t *attr)
2826 {
2827 switch(attr->type)
2828 {
2829 case ATTR_UUID:
2830 return 0;
2831 case ATTR_ASYNCUUID:
2832 append_attr(attrs, make_attrp(ATTR_UUID, attr->u.pval));
2833 return 0;
2834 default:
2835 return 1;
2836 }
2837 }
2838
2839 static int arg_in_attrs(attr_list_t *attrs, const attr_t *attr)
2840 {
2841 return attr->type != ATTR_OUT && attr->type != ATTR_RETVAL;
2842 }
2843
2844 static int arg_out_attrs(attr_list_t *attrs, const attr_t *attr)
2845 {
2846 return attr->type != ATTR_IN;
2847 }
2848
2849 static void check_async_uuid(type_t *iface)
2850 {
2851 statement_list_t *stmts = NULL;
2852 statement_t *stmt;
2853 type_t *async_iface;
2854 type_t *inherit;
2855
2856 if (!is_attr(iface->attrs, ATTR_ASYNCUUID)) return;
2857
2858 inherit = type_iface_get_inherit(iface);
2859 if (inherit && strcmp(inherit->name, "IUnknown"))
2860 inherit = type_iface_get_async_iface(inherit);
2861 if (!inherit)
2862 error_loc("async_uuid applied to an interface with incompatible parent\n");
2863
2864 async_iface = get_type(TYPE_INTERFACE, strmake("Async%s", iface->name), iface->namespace, 0);
2865 async_iface->attrs = map_attrs(iface->attrs, async_iface_attrs);
2866
2867 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2868 {
2869 var_t *begin_func, *finish_func, *func = stmt->u.var, *arg;
2870 var_list_t *begin_args = NULL, *finish_args = NULL, *args;
2871
2872 args = type_function_get_args(func->declspec.type);
2873 if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
2874 {
2875 if (is_attr(arg->attrs, ATTR_IN) || !is_attr(arg->attrs, ATTR_OUT))
2876 begin_args = append_var(begin_args, copy_var(arg, strdup(arg->name), arg_in_attrs));
2877 if (is_attr(arg->attrs, ATTR_OUT))
2878 finish_args = append_var(finish_args, copy_var(arg, strdup(arg->name), arg_out_attrs));
2879 }
2880
2881 begin_func = copy_var(func, strmake("Begin_%s", func->name), NULL);
2882 begin_func->declspec.type = type_new_function(begin_args);
2883 begin_func->declspec.type->attrs = func->attrs;
2884 begin_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
2885 stmts = append_statement(stmts, make_statement_declaration(begin_func));
2886
2887 finish_func = copy_var(func, strmake("Finish_%s", func->name), NULL);
2888 finish_func->declspec.type = type_new_function(finish_args);
2889 finish_func->declspec.type->attrs = func->attrs;
2890 finish_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
2891 stmts = append_statement(stmts, make_statement_declaration(finish_func));
2892 }
2893
2894 type_interface_define(async_iface, inherit, stmts);
2895 iface->details.iface->async_iface = async_iface->details.iface->async_iface = async_iface;
2896 }
2897
2898 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2899 {
2900 const statement_t *stmt;
2901
2902 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2903 {
2904 switch(stmt->type) {
2905 case STMT_LIBRARY:
2906 check_statements(stmt->u.lib->stmts, TRUE);
2907 break;
2908 case STMT_TYPE:
2909 switch(type_get_type(stmt->u.type)) {
2910 case TYPE_INTERFACE:
2911 check_functions(stmt->u.type, is_inside_library);
2912 break;
2913 case TYPE_COCLASS:
2914 if(winrt_mode)
2915 error_loc("coclass is not allowed in Windows Runtime mode\n");
2916 break;
2917 default:
2918 break;
2919 }
2920 break;
2921 default:
2922 break;
2923 }
2924 }
2925 }
2926
2927 static void check_all_user_types(const statement_list_t *stmts)
2928 {
2929 const statement_t *stmt;
2930 const var_t *v;
2931
2932 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2933 {
2934 if (stmt->type == STMT_LIBRARY)
2935 check_all_user_types(stmt->u.lib->stmts);
2936 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2937 !is_local(stmt->u.type->attrs))
2938 {
2939 const statement_t *stmt_func;
2940 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2941 const var_t *func = stmt_func->u.var;
2942 if (type_function_get_args(func->declspec.type))
2943 LIST_FOR_EACH_ENTRY( v, type_function_get_args(func->declspec.type), const var_t, entry )
2944 check_for_additional_prototype_types(v->declspec.type);
2945 check_for_additional_prototype_types(type_function_get_rettype(func->declspec.type));
2946 }
2947 }
2948 }
2949 }
2950
2951 int is_valid_uuid(const char *s)
2952 {
2953 int i;
2954
2955 for (i = 0; i < 36; ++i)
2956 if (i == 8 || i == 13 || i == 18 || i == 23)
2957 {
2958 if (s[i] != '-')
2959 return FALSE;
2960 }
2961 else
2962 if (!isxdigit(s[i]))
2963 return FALSE;
2964
2965 return s[i] == '\0';
2966 }
2967
2968 static statement_t *make_statement(enum statement_type type)
2969 {
2970 statement_t *stmt = xmalloc(sizeof(*stmt));
2971 stmt->type = type;
2972 return stmt;
2973 }
2974
2975 static statement_t *make_statement_type_decl(type_t *type)
2976 {
2977 statement_t *stmt = make_statement(STMT_TYPE);
2978 stmt->u.type = type;
2979 stmt->declonly = !type->defined;
2980 return stmt;
2981 }
2982
2983 static statement_t *make_statement_reference(type_t *type)
2984 {
2985 statement_t *stmt = make_statement(STMT_TYPEREF);
2986 stmt->u.type = type;
2987 return stmt;
2988 }
2989
2990 static statement_t *make_statement_declaration(var_t *var)
2991 {
2992 statement_t *stmt = make_statement(STMT_DECLARATION);
2993 stmt->u.var = var;
2994 if (var->declspec.stgclass == STG_EXTERN && var->eval)
2995 warning("'%s' initialised and declared extern\n", var->name);
2996 if (is_const_decl(var))
2997 {
2998 if (var->eval)
2999 reg_const(var);
3000 }
3001 else if (type_get_type(var->declspec.type) == TYPE_FUNCTION)
3002 check_function_attrs(var->name, var->attrs);
3003 else if (var->declspec.stgclass == STG_NONE || var->declspec.stgclass == STG_REGISTER)
3004 error_loc("instantiation of data is illegal\n");
3005 return stmt;
3006 }
3007
3008 static statement_t *make_statement_library(typelib_t *typelib)
3009 {
3010 statement_t *stmt = make_statement(STMT_LIBRARY);
3011 stmt->u.lib = typelib;
3012 return stmt;
3013 }
3014
3015 static statement_t *make_statement_pragma(const char *str)
3016 {
3017 statement_t *stmt = make_statement(STMT_PRAGMA);
3018 stmt->u.str = str;
3019 return stmt;
3020 }
3021
3022 static statement_t *make_statement_cppquote(const char *str)
3023 {
3024 statement_t *stmt = make_statement(STMT_CPPQUOTE);
3025 stmt->u.str = str;
3026 return stmt;
3027 }
3028
3029 static statement_t *make_statement_importlib(const char *str)
3030 {
3031 statement_t *stmt = make_statement(STMT_IMPORTLIB);
3032 stmt->u.str = str;
3033 return stmt;
3034 }
3035
3036 static statement_t *make_statement_import(const char *str)
3037 {
3038 statement_t *stmt = make_statement(STMT_IMPORT);
3039 stmt->u.str = str;
3040 return stmt;
3041 }
3042
3043 static statement_t *make_statement_module(type_t *type)
3044 {
3045 statement_t *stmt = make_statement(STMT_MODULE);
3046 stmt->u.type = type;
3047 return stmt;
3048 }
3049
3050 static statement_t *make_statement_typedef(declarator_list_t *decls, int declonly)
3051 {
3052 declarator_t *decl, *next;
3053 statement_t *stmt;
3054 type_list_t **type_list;
3055
3056 if (!decls) return NULL;
3057
3058 stmt = make_statement(STMT_TYPEDEF);
3059 stmt->u.type_list = NULL;
3060 type_list = &stmt->u.type_list;
3061 stmt->declonly = declonly;
3062
3063 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
3064 {
3065 var_t *var = decl->var;
3066 type_t *type = find_type_or_error(var->name, 0);
3067 *type_list = xmalloc(sizeof(type_list_t));
3068 (*type_list)->type = type;
3069 (*type_list)->next = NULL;
3070
3071 type_list = &(*type_list)->next;
3072 free(decl);
3073 free(var);
3074 }
3075
3076 return stmt;
3077 }
3078
3079 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
3080 {
3081 if (!l2) return l1;
3082 if (!l1 || l1 == l2) return l2;
3083 list_move_tail (l1, l2);
3084 return l1;
3085 }
3086
3087 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
3088 {
3089 if (!l2) return l1;
3090 if (!l1 || l1 == l2) return l2;
3091 list_move_tail (l1, l2);
3092 return l1;
3093 }
3094
3095 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
3096 {
3097 if (!stmt) return list;
3098 if (!list)
3099 {
3100 list = xmalloc( sizeof(*list) );
3101 list_init( list );
3102 }
3103 list_add_tail( list, &stmt->entry );
3104 return list;
3105 }
3106
3107 void init_loc_info(loc_info_t *i)
3108 {
3109 i->input_name = input_name ? input_name : "stdin";
3110 i->line_number = line_number;
3111 i->near_text = parser_text;
3112 }
3113
3114 static void check_def(const type_t *t)
3115 {
3116 if (t->defined)
3117 error_loc("%s: redefinition error; original definition was at %s:%d\n",
3118 t->name, t->loc_info.input_name, t->loc_info.line_number);
3119 }
Windows API implementation