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msxml3: Only allow ASCII characters in number conversion.
[wine.git] / tools / widl / parser.y
blob160e4029a6e928ccabad3cdb4c07c3af5db0ad13
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 attr_t *make_custom_attr(UUID *id, expr_t *pval);
62 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
63 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl, int top);
64 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
65 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
66 static ifref_t *make_ifref(type_t *iface);
67 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
68 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
69 static declarator_t *make_declarator(var_t *var);
70 static type_t *make_safearray(type_t *type);
71 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
72 static void append_array(declarator_t *decl, expr_t *expr);
73 static void append_chain_type(declarator_t *decl, type_t *type, enum type_qualifier qual);
74 static void append_chain_callconv(type_t *chain, char *callconv);
75 static warning_list_t *append_warning(warning_list_t *, int);
76
77 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
78 static type_t *find_type_or_error(const char *name, int t);
79 static type_t *find_type_or_error2(char *name, int t);
80
81 static var_t *reg_const(var_t *var);
82
83 static void push_namespace(const char *name);
84 static void pop_namespace(const char *name);
85 static void init_lookup_namespace(const char *name);
86 static void push_lookup_namespace(const char *name);
87
88 static void check_arg_attrs(const var_t *arg);
89 static void check_statements(const statement_list_t *stmts, int is_inside_library);
90 static void check_all_user_types(const statement_list_t *stmts);
91 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
92 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
93 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
94 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
95 static attr_list_t *check_enum_member_attrs(attr_list_t *attrs);
96 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
97 static attr_list_t *check_union_attrs(attr_list_t *attrs);
98 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
99 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
100 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
101 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
102 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
103 const char *get_attr_display_name(enum attr_type type);
104 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
105 static void check_def(const type_t *t);
106
107 static void check_async_uuid(type_t *iface);
108
109 static statement_t *make_statement(enum statement_type type);
110 static statement_t *make_statement_type_decl(type_t *type);
111 static statement_t *make_statement_reference(type_t *type);
112 static statement_t *make_statement_declaration(var_t *var);
113 static statement_t *make_statement_library(typelib_t *typelib);
114 static statement_t *make_statement_pragma(const char *str);
115 static statement_t *make_statement_cppquote(const char *str);
116 static statement_t *make_statement_importlib(const char *str);
117 static statement_t *make_statement_module(type_t *type);
118 static statement_t *make_statement_typedef(var_list_t *names, int declonly);
119 static statement_t *make_statement_import(const char *str);
120 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
121 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
122 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
123
124 static struct namespace global_namespace = {
125 NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
126 };
127
128 static struct namespace *current_namespace = &global_namespace;
129 static struct namespace *lookup_namespace = &global_namespace;
130
131 static typelib_t *current_typelib;
132
133 %}
134 %union {
135 attr_t *attr;
136 attr_list_t *attr_list;
137 str_list_t *str_list;
138 expr_t *expr;
139 expr_list_t *expr_list;
140 type_t *type;
141 var_t *var;
142 var_list_t *var_list;
143 declarator_t *declarator;
144 declarator_list_t *declarator_list;
145 statement_t *statement;
146 statement_list_t *stmt_list;
147 warning_t *warning;
148 warning_list_t *warning_list;
149 ifref_t *ifref;
150 ifref_list_t *ifref_list;
151 char *str;
152 UUID *uuid;
153 unsigned int num;
154 double dbl;
155 typelib_t *typelib;
156 struct _import_t *import;
157 struct _decl_spec_t *declspec;
158 enum storage_class stgclass;
159 enum type_qualifier type_qualifier;
160 enum function_specifier function_specifier;
161 }
162
163 %token <str> aIDENTIFIER aPRAGMA
164 %token <str> aKNOWNTYPE aNAMESPACE
165 %token <num> aNUM aHEXNUM
166 %token <dbl> aDOUBLE
167 %token <str> aSTRING aWSTRING aSQSTRING
168 %token <uuid> aUUID
169 %token aEOF aACF
170 %token SHL SHR
171 %token MEMBERPTR
172 %token EQUALITY INEQUALITY
173 %token GREATEREQUAL LESSEQUAL
174 %token LOGICALOR LOGICALAND
175 %token ELLIPSIS
176 %token tAGGREGATABLE tALLNODES tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
177 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
178 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
179 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
180 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
181 %token tCUSTOM
182 %token tDECODE tDEFAULT tDEFAULTBIND
183 %token tDEFAULTCOLLELEM
184 %token tDEFAULTVALUE
185 %token tDEFAULTVTABLE
186 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
187 %token tDISPINTERFACE
188 %token tDLLNAME tDONTFREE tDOUBLE tDUAL
189 %token tENABLEALLOCATE tENCODE tENDPOINT
190 %token tENTRY tENUM tERRORSTATUST
191 %token tEXPLICITHANDLE tEXTERN
192 %token tFALSE
193 %token tFASTCALL tFAULTSTATUS
194 %token tFLOAT tFORCEALLOCATE
195 %token tHANDLE
196 %token tHANDLET
197 %token tHELPCONTEXT tHELPFILE
198 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
199 %token tHIDDEN
200 %token tHYPER tID tIDEMPOTENT
201 %token tIGNORE tIIDIS
202 %token tIMMEDIATEBIND
203 %token tIMPLICITHANDLE
204 %token tIMPORT tIMPORTLIB
205 %token tIN tIN_LINE tINLINE
206 %token tINPUTSYNC
207 %token tINT tINT32 tINT3264 tINT64
208 %token tINTERFACE
209 %token tLCID
210 %token tLENGTHIS tLIBRARY
211 %token tLICENSED tLOCAL
212 %token tLONG
213 %token tMAYBE tMESSAGE
214 %token tMETHODS
215 %token tMODULE
216 %token tNAMESPACE
217 %token tNOCODE tNONBROWSABLE
218 %token tNONCREATABLE
219 %token tNONEXTENSIBLE
220 %token tNOTIFY tNOTIFYFLAG
221 %token tNULL
222 %token tOBJECT tODL tOLEAUTOMATION
223 %token tOPTIMIZE tOPTIONAL
224 %token tOUT
225 %token tPARTIALIGNORE tPASCAL
226 %token tPOINTERDEFAULT
227 %token tPRAGMA_WARNING
228 %token tPROGID tPROPERTIES
229 %token tPROPGET tPROPPUT tPROPPUTREF
230 %token tPROXY tPTR
231 %token tPUBLIC
232 %token tRANGE
233 %token tREADONLY tREF
234 %token tREGISTER tREPRESENTAS
235 %token tREQUESTEDIT
236 %token tRESTRICTED
237 %token tRETVAL
238 %token tSAFEARRAY
239 %token tSHORT
240 %token tSIGNED tSINGLENODE
241 %token tSIZEIS tSIZEOF
242 %token tSMALL
243 %token tSOURCE
244 %token tSTATIC
245 %token tSTDCALL
246 %token tSTRICTCONTEXTHANDLE
247 %token tSTRING tSTRUCT
248 %token tSWITCH tSWITCHIS tSWITCHTYPE
249 %token tTHREADING tTRANSMITAS
250 %token tTRUE
251 %token tTYPEDEF
252 %token tUIDEFAULT tUNION
253 %token tUNIQUE
254 %token tUNSIGNED
255 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
256 %token tV1ENUM
257 %token tVARARG
258 %token tVERSION tVIPROGID
259 %token tVOID
260 %token tWCHAR tWIREMARSHAL
261 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
262
263 %type <attr> attribute acf_attribute
264 %type <attr_list> m_attributes attributes attrib_list
265 %type <attr_list> acf_attributes acf_attribute_list
266 %type <str_list> str_list
267 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
268 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
269 %type <type> interfacehdr
270 %type <stgclass> storage_cls_spec
271 %type <type_qualifier> type_qualifier m_type_qual_list
272 %type <function_specifier> function_specifier
273 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
274 %type <type> inherit interface interfacedef interfacedec
275 %type <type> dispinterface dispinterfacehdr dispinterfacedef
276 %type <type> module modulehdr moduledef
277 %type <str> namespacedef
278 %type <type> base_type int_std
279 %type <type> enumdef structdef uniondef typedecl
280 %type <type> type qualified_seq qualified_type
281 %type <ifref> coclass_int
282 %type <ifref_list> coclass_ints
283 %type <var> arg ne_union_field union_field s_field case enum enum_member declaration
284 %type <var> funcdef
285 %type <var_list> m_args arg_list args dispint_meths
286 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
287 %type <var> m_ident ident
288 %type <declarator> declarator direct_declarator init_declarator struct_declarator
289 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
290 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
291 %type <declarator_list> declarator_list struct_declarator_list
292 %type <type> coclass coclasshdr coclassdef
293 %type <num> pointer_type threading_type version
294 %type <str> libraryhdr callconv cppquote importlib import t_ident
295 %type <uuid> uuid_string
296 %type <import> import_start
297 %type <typelib> library_start librarydef
298 %type <statement> statement typedef pragma_warning
299 %type <stmt_list> gbl_statements imp_statements int_statements
300 %type <warning_list> warnings
301 %type <num> allocate_option_list allocate_option
302
303 %left ','
304 %right '?' ':'
305 %left LOGICALOR
306 %left LOGICALAND
307 %left '|'
308 %left '^'
309 %left '&'
310 %left EQUALITY INEQUALITY
311 %left '<' '>' LESSEQUAL GREATEREQUAL
312 %left SHL SHR
313 %left '-' '+'
314 %left '*' '/' '%'
315 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
316 %left '.' MEMBERPTR '[' ']'
317
318 %define parse.error verbose
319
320 %%
321
322 input: gbl_statements m_acf { check_statements($1, FALSE);
323 check_all_user_types($1);
324 write_header($1);
325 write_id_data($1);
326 write_proxies($1);
327 write_client($1);
328 write_server($1);
329 write_regscript($1);
330 write_typelib_regscript($1);
331 write_dlldata($1);
332 write_local_stubs($1);
333 }
334 ;
335
336 m_acf: /* empty */ | aACF acf_statements
337
338 gbl_statements: { $$ = NULL; }
339 | gbl_statements namespacedef '{' { push_namespace($2); } gbl_statements '}'
340 { pop_namespace($2); $$ = append_statements($1, $5); }
341 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
342 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
343 | gbl_statements coclass ';' { $$ = $1;
344 reg_type($2, $2->name, current_namespace, 0);
345 }
346 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
347 reg_type($2, $2->name, current_namespace, 0);
348 }
349 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
350 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
351 | gbl_statements statement { $$ = append_statement($1, $2); }
352 ;
353
354 imp_statements: { $$ = NULL; }
355 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
356 | imp_statements namespacedef '{' { push_namespace($2); } imp_statements '}'
357 { pop_namespace($2); $$ = append_statements($1, $5); }
358 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
359 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, current_namespace, 0); }
360 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
361 reg_type($2, $2->name, current_namespace, 0);
362 }
363 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
364 | imp_statements statement { $$ = append_statement($1, $2); }
365 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
366 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
367 ;
368
369 int_statements: { $$ = NULL; }
370 | int_statements statement { $$ = append_statement($1, $2); }
371 ;
372
373 semicolon_opt:
374 | ';'
375 ;
376
377 statement:
378 cppquote { $$ = make_statement_cppquote($1); }
379 | typedecl ';' { $$ = make_statement_type_decl($1); }
380 | declaration ';' { $$ = make_statement_declaration($1); }
381 | import { $$ = make_statement_import($1); }
382 | typedef ';' { $$ = $1; }
383 | aPRAGMA { $$ = make_statement_pragma($1); }
384 | pragma_warning { $$ = NULL; }
385 ;
386
387 pragma_warning: tPRAGMA_WARNING '(' aIDENTIFIER ':' warnings ')'
388 {
389 int result;
390 $$ = NULL;
391 result = do_warning($3, $5);
392 if(!result)
393 error_loc("expected \"disable\" or \"enable\"\n");
394 }
395 ;
396
397 warnings:
398 aNUM { $$ = append_warning(NULL, $1); }
399 | warnings aNUM { $$ = append_warning($1, $2); }
400 ;
401
402 typedecl:
403 enumdef
404 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
405 | structdef
406 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
407 | uniondef
408 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
409 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
410 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
411 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
412 ;
413
414 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
415 ;
416 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
417 $$ = xmalloc(sizeof(struct _import_t));
418 $$->name = $2;
419 $$->import_performed = do_import($2);
420 if (!$$->import_performed) yychar = aEOF;
421 }
422 ;
423
424 import: import_start imp_statements aEOF { $$ = $1->name;
425 if ($1->import_performed) pop_import();
426 free($1);
427 }
428 ;
429
430 importlib: tIMPORTLIB '(' aSTRING ')'
431 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3, current_typelib); }
432 ;
433
434 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
435 | tLIBRARY aKNOWNTYPE { $$ = $2; }
436 ;
437 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
438 if (!parse_only && do_typelib) current_typelib = $$;
439 }
440 ;
441 librarydef: library_start imp_statements '}'
442 semicolon_opt { $$ = $1; $$->stmts = $2; }
443 ;
444
445 m_args: { $$ = NULL; }
446 | args
447 ;
448
449 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
450 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
451 ;
452
453 args: arg_list
454 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
455 ;
456
457 /* split into two rules to get bison to resolve a tVOID conflict */
458 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
459 error_loc("invalid storage class for function parameter\n");
460 $$ = declare_var($1, $2, $3, TRUE);
461 free($2); free($3);
462 }
463 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
464 error_loc("invalid storage class for function parameter\n");
465 $$ = declare_var(NULL, $1, $2, TRUE);
466 free($1); free($2);
467 }
468 ;
469
470 array: '[' expr ']' { $$ = $2;
471 if (!$$->is_const || $$->cval <= 0)
472 error_loc("array dimension is not a positive integer constant\n");
473 }
474 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
475 | '[' ']' { $$ = make_expr(EXPR_VOID); }
476 ;
477
478 m_attributes: { $$ = NULL; }
479 | attributes
480 ;
481
482 attributes:
483 '[' attrib_list ']' { $$ = $2; }
484 ;
485
486 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
487 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
488 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
489 ;
490
491 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
492 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
493 ;
494
495 attribute: { $$ = NULL; }
496 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
497 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
498 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
499 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
500 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
501 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
502 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
503 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
504 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
505 | tCODE { $$ = make_attr(ATTR_CODE); }
506 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
507 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
508 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
509 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
510 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
511 | tCUSTOM '(' uuid_string ',' expr_const ')' { $$ = make_custom_attr($3, $5); }
512 | tDECODE { $$ = make_attr(ATTR_DECODE); }
513 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
514 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
515 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
516 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
517 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
518 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
519 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
520 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
521 | tDUAL { $$ = make_attr(ATTR_DUAL); }
522 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
523 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
524 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
525 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
526 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
527 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
528 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
529 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
530 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
531 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
532 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
533 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
534 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
535 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
536 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
537 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
538 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
539 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
540 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
541 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
542 | tIN { $$ = make_attr(ATTR_IN); }
543 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
544 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
545 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
546 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
547 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
548 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
549 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
550 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
551 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
552 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
553 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
554 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
555 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
556 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
557 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
558 | tODL { $$ = make_attr(ATTR_ODL); }
559 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
560 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
561 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
562 | tOUT { $$ = make_attr(ATTR_OUT); }
563 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
564 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
565 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
566 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
567 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
568 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
569 | tPROXY { $$ = make_attr(ATTR_PROXY); }
570 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
571 | tRANGE '(' expr_int_const ',' expr_int_const ')'
572 { expr_list_t *list = append_expr( NULL, $3 );
573 list = append_expr( list, $5 );
574 $$ = make_attrp(ATTR_RANGE, list); }
575 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
576 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
577 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
578 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
579 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
580 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
581 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
582 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
583 | tSTRING { $$ = make_attr(ATTR_STRING); }
584 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
585 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
586 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
587 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
588 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
589 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
590 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
591 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
592 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); }
593 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
594 | tVARARG { $$ = make_attr(ATTR_VARARG); }
595 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
596 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
597 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
598 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
599 ;
600
601 uuid_string:
602 aUUID
603 | aSTRING { if (!is_valid_uuid($1))
604 error_loc("invalid UUID: %s\n", $1);
605 $$ = parse_uuid($1); }
606 ;
607
608 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
609 | tFASTCALL { $$ = xstrdup("__fastcall"); }
610 | tPASCAL { $$ = xstrdup("__pascal"); }
611 | tSTDCALL { $$ = xstrdup("__stdcall"); }
612 ;
613
614 cases: { $$ = NULL; }
615 | cases case { $$ = append_var( $1, $2 ); }
616 ;
617
618 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
619 $$ = $4; if (!$$) $$ = make_var(NULL);
620 $$->attrs = append_attr( $$->attrs, a );
621 }
622 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
623 $$ = $3; if (!$$) $$ = make_var(NULL);
624 $$->attrs = append_attr( $$->attrs, a );
625 }
626 ;
627
628 enums: { $$ = NULL; }
629 | enum_list ',' { $$ = $1; }
630 | enum_list
631 ;
632
633 enum_list: enum { if (!$1->eval)
634 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
635 $$ = append_var( NULL, $1 );
636 }
637 | enum_list ',' enum { if (!$3->eval)
638 {
639 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
640 enum expr_type type = EXPR_NUM;
641 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
642 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
643 $3->eval = make_exprl(type, last->eval->cval + 1);
644 }
645 $$ = append_var( $1, $3 );
646 }
647 ;
648
649 enum_member: m_attributes ident { $$ = $2;
650 $$->attrs = check_enum_member_attrs($1);
651 }
652 ;
653
654 enum: enum_member '=' expr_int_const { $$ = reg_const($1);
655 $$->eval = $3;
656 $$->declspec.type = type_new_int(TYPE_BASIC_INT, 0);
657 }
658 | enum_member { $$ = reg_const($1);
659 $$->declspec.type = type_new_int(TYPE_BASIC_INT, 0);
660 }
661 ;
662
663 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, current_namespace, TRUE, $4); }
664 ;
665
666 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
667 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
668 ;
669
670 m_expr: { $$ = make_expr(EXPR_VOID); }
671 | expr
672 ;
673
674 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
675 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
676 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
677 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
678 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
679 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
680 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
681 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
682 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
683 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
684 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
685 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
686 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
687 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
688 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
689 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
690 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
691 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
692 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
693 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
694 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
695 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
696 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
697 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
698 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
699 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
700 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
701 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
702 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
703 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
704 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
705 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
706 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
707 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
708 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
709 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
710 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
711 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
712 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
713 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
714 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
715 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
716 | '(' expr ')' { $$ = $2; }
717 ;
718
719 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
720 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
721 ;
722
723 expr_int_const: expr { $$ = $1;
724 if (!$$->is_const)
725 error_loc("expression is not an integer constant\n");
726 }
727 ;
728
729 expr_const: expr { $$ = $1;
730 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
731 error_loc("expression is not constant\n");
732 }
733 ;
734
735 fields: { $$ = NULL; }
736 | fields field { $$ = append_var_list($1, $2); }
737 ;
738
739 field: m_attributes decl_spec struct_declarator_list ';'
740 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
741 check_field_attrs(first, $1);
742 $$ = set_var_types($1, $2, $3);
743 }
744 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
745 v->declspec.type = $2; v->attrs = $1;
746 $$ = append_var(NULL, v);
747 }
748 ;
749
750 ne_union_field:
751 s_field ';' { $$ = $1; }
752 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
753 ;
754
755 ne_union_fields: { $$ = NULL; }
756 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
757 ;
758
759 union_field:
760 s_field ';' { $$ = $1; }
761 | ';' { $$ = NULL; }
762 ;
763
764 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
765 $2, $3, FALSE);
766 free($3);
767 }
768 | m_attributes structdef { var_t *v = make_var(NULL);
769 v->declspec.type = $2; v->attrs = $1;
770 $$ = v;
771 }
772 ;
773
774 funcdef: declaration { $$ = $1;
775 if (type_get_type($$->declspec.type) != TYPE_FUNCTION)
776 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
777 check_function_attrs($$->name, $$->attrs);
778 }
779 ;
780
781 declaration:
782 attributes decl_spec init_declarator
783 { $$ = declare_var($1, $2, $3, FALSE);
784 free($3);
785 }
786 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
787 free($2);
788 }
789 ;
790
791 m_ident: { $$ = NULL; }
792 | ident
793 ;
794
795 t_ident: { $$ = NULL; }
796 | aIDENTIFIER { $$ = $1; }
797 | aKNOWNTYPE { $$ = $1; }
798 ;
799
800 ident: aIDENTIFIER { $$ = make_var($1); }
801 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
802 | aKNOWNTYPE { $$ = make_var($<str>1); }
803 ;
804
805 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
806 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
807 | int_std
808 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
809 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
810 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
811 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
812 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
813 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
814 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
815 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
816 ;
817
818 m_int:
819 | tINT
820 ;
821
822 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
823 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
824 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
825 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_LONG, 0); }
826 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
827 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
828 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
829 | tINT32 { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
830 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
831 ;
832
833 qualified_seq:
834 aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
835 | aIDENTIFIER '.' { push_lookup_namespace($1); } qualified_seq { $$ = $4; }
836 ;
837
838 qualified_type:
839 aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
840 | aNAMESPACE '.' { init_lookup_namespace($1); } qualified_seq { $$ = $4; }
841 ;
842
843 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
844 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, NULL, 0);
845 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
846 error_loc("%s was not declared a coclass at %s:%d\n",
847 $2, $$->loc_info.input_name,
848 $$->loc_info.line_number);
849 }
850 ;
851
852 coclasshdr: attributes coclass { $$ = $2;
853 check_def($$);
854 $$->attrs = check_coclass_attrs($2->name, $1);
855 }
856 ;
857
858 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
859 { $$ = type_coclass_define($1, $3); }
860 ;
861
862 namespacedef: tNAMESPACE aIDENTIFIER { $$ = $2; }
863 | tNAMESPACE aNAMESPACE { $$ = $2; }
864 ;
865
866 coclass_ints: { $$ = NULL; }
867 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
868 ;
869
870 coclass_int:
871 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
872 ;
873
874 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
875 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
876 ;
877
878 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
879 $$ = $2;
880 check_def($$);
881 attrs = make_attr(ATTR_DISPINTERFACE);
882 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
883 $$->defined = TRUE;
884 }
885 ;
886
887 dispint_props: tPROPERTIES ':' { $$ = NULL; }
888 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
889 ;
890
891 dispint_meths: tMETHODS ':' { $$ = NULL; }
892 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
893 ;
894
895 dispinterfacedef: dispinterfacehdr '{'
896 dispint_props
897 dispint_meths
898 '}' { $$ = $1;
899 type_dispinterface_define($$, $3, $4);
900 }
901 | dispinterfacehdr
902 '{' interface ';' '}' { $$ = $1;
903 type_dispinterface_define_from_iface($$, $3);
904 }
905 ;
906
907 inherit: { $$ = NULL; }
908 | ':' qualified_type { $$ = $2; }
909 ;
910
911 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
912 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
913 ;
914
915 interfacehdr: attributes interface { $$ = $2;
916 check_def($2);
917 $2->attrs = check_iface_attrs($2->name, $1);
918 $2->defined = TRUE;
919 }
920 ;
921
922 interfacedef: interfacehdr inherit
923 '{' int_statements '}' semicolon_opt { $$ = $1;
924 if($$ == $2)
925 error_loc("Interface can't inherit from itself\n");
926 type_interface_define($$, $2, $4);
927 check_async_uuid($$);
928 }
929 /* MIDL is able to import the definition of a base class from inside the
930 * definition of a derived class, I'll try to support it with this rule */
931 | interfacehdr ':' aIDENTIFIER
932 '{' import int_statements '}'
933 semicolon_opt { $$ = $1;
934 type_interface_define($$, find_type_or_error2($3, 0), $6);
935 }
936 | dispinterfacedef semicolon_opt { $$ = $1; }
937 ;
938
939 interfacedec:
940 interface ';' { $$ = $1; }
941 | dispinterface ';' { $$ = $1; }
942 ;
943
944 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
945 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
946 ;
947
948 modulehdr: attributes module { $$ = $2;
949 $$->attrs = check_module_attrs($2->name, $1);
950 }
951 ;
952
953 moduledef: modulehdr '{' int_statements '}'
954 semicolon_opt { $$ = $1;
955 type_module_define($$, $3);
956 }
957 ;
958
959 storage_cls_spec:
960 tEXTERN { $$ = STG_EXTERN; }
961 | tSTATIC { $$ = STG_STATIC; }
962 | tREGISTER { $$ = STG_REGISTER; }
963 ;
964
965 function_specifier:
966 tINLINE { $$ = FUNCTION_SPECIFIER_INLINE; }
967 ;
968
969 type_qualifier:
970 tCONST { $$ = TYPE_QUALIFIER_CONST; }
971 ;
972
973 m_type_qual_list: { $$ = 0; }
974 | m_type_qual_list type_qualifier { $$ = $1 | $2; }
975 ;
976
977 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, STG_NONE, 0, 0); }
978 | decl_spec_no_type type m_decl_spec_no_type
979 { $$ = make_decl_spec($2, $1, $3, STG_NONE, 0, 0); }
980 ;
981
982 m_decl_spec_no_type: { $$ = NULL; }
983 | decl_spec_no_type
984 ;
985
986 decl_spec_no_type:
987 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, STG_NONE, $1, 0); }
988 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, STG_NONE, 0, $1); }
989 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, 0, 0); }
990 ;
991
992 declarator:
993 '*' m_type_qual_list declarator %prec PPTR
994 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
995 | callconv declarator { $$ = $2; append_chain_callconv($$->type, $1); }
996 | direct_declarator
997 ;
998
999 direct_declarator:
1000 ident { $$ = make_declarator($1); }
1001 | '(' declarator ')' { $$ = $2; }
1002 | direct_declarator array { $$ = $1; append_array($$, $2); }
1003 | direct_declarator '(' m_args ')' { $$ = $1; append_chain_type($$, type_new_function($3), 0); }
1004 ;
1005
1006 /* abstract declarator */
1007 abstract_declarator:
1008 '*' m_type_qual_list m_abstract_declarator %prec PPTR
1009 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1010 | callconv m_abstract_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1011 | abstract_direct_declarator
1012 ;
1013
1014 /* abstract declarator without accepting direct declarator */
1015 abstract_declarator_no_direct:
1016 '*' m_type_qual_list m_any_declarator %prec PPTR
1017 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1018 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1019 ;
1020
1021 /* abstract declarator or empty */
1022 m_abstract_declarator: { $$ = make_declarator(NULL); }
1023 | abstract_declarator
1024 ;
1025
1026 /* abstract direct declarator */
1027 abstract_direct_declarator:
1028 '(' abstract_declarator_no_direct ')' { $$ = $2; }
1029 | abstract_direct_declarator array { $$ = $1; append_array($$, $2); }
1030 | array { $$ = make_declarator(NULL); append_array($$, $1); }
1031 | '(' m_args ')'
1032 { $$ = make_declarator(NULL);
1033 append_chain_type($$, type_new_function($2), 0);
1034 }
1035 | abstract_direct_declarator '(' m_args ')'
1036 { $$ = $1;
1037 append_chain_type($$, type_new_function($3), 0);
1038 }
1039 ;
1040
1041 /* abstract or non-abstract declarator */
1042 any_declarator:
1043 '*' m_type_qual_list m_any_declarator %prec PPTR
1044 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1045 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1046 | any_direct_declarator
1047 ;
1048
1049 /* abstract or non-abstract declarator without accepting direct declarator */
1050 any_declarator_no_direct:
1051 '*' m_type_qual_list m_any_declarator %prec PPTR
1052 { $$ = $3; append_chain_type($$, type_new_pointer(NULL), $2); }
1053 | callconv m_any_declarator { $$ = $2; append_chain_callconv($$->type, $1); }
1054 ;
1055
1056 /* abstract or non-abstract declarator or empty */
1057 m_any_declarator: { $$ = make_declarator(NULL); }
1058 | any_declarator
1059 ;
1060
1061 /* abstract or non-abstract direct declarator. note: direct declarators
1062 * aren't accepted inside brackets to avoid ambiguity with the rule for
1063 * function arguments */
1064 any_direct_declarator:
1065 ident { $$ = make_declarator($1); }
1066 | '(' any_declarator_no_direct ')' { $$ = $2; }
1067 | any_direct_declarator array { $$ = $1; append_array($$, $2); }
1068 | array { $$ = make_declarator(NULL); append_array($$, $1); }
1069 | '(' m_args ')'
1070 { $$ = make_declarator(NULL);
1071 append_chain_type($$, type_new_function($2), 0);
1072 }
1073 | any_direct_declarator '(' m_args ')'
1074 { $$ = $1;
1075 append_chain_type($$, type_new_function($3), 0);
1076 }
1077 ;
1078
1079 declarator_list:
1080 declarator { $$ = append_declarator( NULL, $1 ); }
1081 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1082 ;
1083
1084 m_bitfield: { $$ = NULL; }
1085 | ':' expr_const { $$ = $2; }
1086 ;
1087
1088 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1089 if (!$$->bits && !$$->var->name)
1090 error_loc("unnamed fields are not allowed\n");
1091 }
1092 ;
1093
1094 struct_declarator_list:
1095 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1096 | struct_declarator_list ',' struct_declarator
1097 { $$ = append_declarator( $1, $3 ); }
1098 ;
1099
1100 init_declarator:
1101 declarator { $$ = $1; }
1102 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1103 ;
1104
1105 threading_type:
1106 tAPARTMENT { $$ = THREADING_APARTMENT; }
1107 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1108 | tSINGLE { $$ = THREADING_SINGLE; }
1109 | tFREE { $$ = THREADING_FREE; }
1110 | tBOTH { $$ = THREADING_BOTH; }
1111 ;
1112
1113 pointer_type:
1114 tREF { $$ = FC_RP; }
1115 | tUNIQUE { $$ = FC_UP; }
1116 | tPTR { $$ = FC_FP; }
1117 ;
1118
1119 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); }
1120 ;
1121
1122 type: tVOID { $$ = type_new_void(); }
1123 | qualified_type { $$ = $1; }
1124 | base_type { $$ = $1; }
1125 | enumdef { $$ = $1; }
1126 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
1127 | structdef { $$ = $1; }
1128 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
1129 | uniondef { $$ = $1; }
1130 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1131 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1132 ;
1133
1134 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1135 { $1 = append_attribs($1, $3);
1136 reg_typedefs($4, $5, check_typedef_attrs($1));
1137 $$ = make_statement_typedef($5, !$4->type->defined);
1138 }
1139 ;
1140
1141 uniondef: tUNION t_ident '{' ne_union_fields '}'
1142 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1143 | tUNION t_ident
1144 tSWITCH '(' s_field ')'
1145 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1146 ;
1147
1148 version:
1149 aNUM { $$ = MAKEVERSION($1, 0); }
1150 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1151 | aHEXNUM { $$ = $1; }
1152 ;
1153
1154 acf_statements
1155 : /* empty */
1156 | acf_interface acf_statements
1157 ;
1158
1159 acf_int_statements
1160 : /* empty */
1161 | acf_int_statement acf_int_statements
1162 ;
1163
1164 acf_int_statement
1165 : tTYPEDEF acf_attributes aKNOWNTYPE ';'
1166 { type_t *type = find_type_or_error($3, 0);
1167 type->attrs = append_attr_list(type->attrs, $2);
1168 }
1169 ;
1170
1171 acf_interface
1172 : acf_attributes tINTERFACE aKNOWNTYPE '{' acf_int_statements '}'
1173 { type_t *iface = find_type_or_error2($3, 0);
1174 if (type_get_type(iface) != TYPE_INTERFACE)
1175 error_loc("%s is not an interface\n", iface->name);
1176 iface->attrs = append_attr_list(iface->attrs, $1);
1177 }
1178 ;
1179
1180 acf_attributes
1181 : /* empty */ { $$ = NULL; };
1182 | '[' acf_attribute_list ']' { $$ = $2; };
1183 ;
1184
1185 acf_attribute_list
1186 : acf_attribute { $$ = append_attr(NULL, $1); }
1187 | acf_attribute_list ',' acf_attribute { $$ = append_attr($1, $3); }
1188 ;
1189
1190 acf_attribute
1191 : tALLOCATE '(' allocate_option_list ')'
1192 { $$ = make_attrv(ATTR_ALLOCATE, $3); }
1193 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
1194 | tDECODE { $$ = make_attr(ATTR_DECODE); }
1195 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
1196 ;
1197
1198 allocate_option_list
1199 : allocate_option { $$ = $1; }
1200 | allocate_option_list ',' allocate_option
1201 { $$ = $1 | $3; }
1202 ;
1203
1204 allocate_option
1205 : tDONTFREE { $$ = FC_DONT_FREE; }
1206 | tFREE { $$ = 0; }
1207 | tALLNODES { $$ = FC_ALLOCATE_ALL_NODES; }
1208 | tSINGLENODE { $$ = 0; }
1209 ;
1210
1211 %%
1212
1213 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1214 {
1215 type_t *t = type_new_basic(type);
1216 reg_type(t, name, NULL, 0);
1217 }
1218
1219 static void decl_builtin_alias(const char *name, type_t *t)
1220 {
1221 const decl_spec_t ds = {.type = t};
1222 reg_type(type_new_alias(&ds, name), name, NULL, 0);
1223 }
1224
1225 void init_types(void)
1226 {
1227 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1228 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1229 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1230 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1231 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1232 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1233 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_CHAR));
1234 }
1235
1236 static str_list_t *append_str(str_list_t *list, char *str)
1237 {
1238 struct str_list_entry_t *entry;
1239
1240 if (!str) return list;
1241 if (!list)
1242 {
1243 list = xmalloc( sizeof(*list) );
1244 list_init( list );
1245 }
1246 entry = xmalloc( sizeof(*entry) );
1247 entry->str = str;
1248 list_add_tail( list, &entry->entry );
1249 return list;
1250 }
1251
1252 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1253 {
1254 attr_t *attr;
1255 if (!src) return dst;
1256 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1257 if (attr->type == type)
1258 {
1259 list_remove(&attr->entry);
1260 return append_attr(dst, attr);
1261 }
1262 return dst;
1263 }
1264
1265 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1266 {
1267 struct list *entry;
1268
1269 if (!old_list) return new_list;
1270
1271 while ((entry = list_head(old_list)))
1272 {
1273 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1274 list_remove(entry);
1275 new_list = append_attr(new_list, attr);
1276 }
1277 return new_list;
1278 }
1279
1280 typedef int (*map_attrs_filter_t)(attr_list_t*,const attr_t*);
1281
1282 static attr_list_t *map_attrs(const attr_list_t *list, map_attrs_filter_t filter)
1283 {
1284 attr_list_t *new_list;
1285 const attr_t *attr;
1286 attr_t *new_attr;
1287
1288 if (!list) return NULL;
1289
1290 new_list = xmalloc( sizeof(*list) );
1291 list_init( new_list );
1292 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1293 {
1294 if (filter && !filter(new_list, attr)) continue;
1295 new_attr = xmalloc(sizeof(*new_attr));
1296 *new_attr = *attr;
1297 list_add_tail(new_list, &new_attr->entry);
1298 }
1299 return new_list;
1300 }
1301
1302 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right,
1303 enum storage_class stgclass, enum type_qualifier qual, enum function_specifier func_specifier)
1304 {
1305 decl_spec_t *declspec = left ? left : right;
1306 if (!declspec)
1307 {
1308 declspec = xmalloc(sizeof(*declspec));
1309 declspec->type = NULL;
1310 declspec->stgclass = STG_NONE;
1311 declspec->qualifier = 0;
1312 declspec->func_specifier = 0;
1313 }
1314 declspec->type = type;
1315 if (left && declspec != left)
1316 {
1317 if (declspec->stgclass == STG_NONE)
1318 declspec->stgclass = left->stgclass;
1319 else if (left->stgclass != STG_NONE)
1320 error_loc("only one storage class can be specified\n");
1321 declspec->qualifier |= left->qualifier;
1322 declspec->func_specifier |= left->func_specifier;
1323 assert(!left->type);
1324 free(left);
1325 }
1326 if (right && declspec != right)
1327 {
1328 if (declspec->stgclass == STG_NONE)
1329 declspec->stgclass = right->stgclass;
1330 else if (right->stgclass != STG_NONE)
1331 error_loc("only one storage class can be specified\n");
1332 declspec->qualifier |= right->qualifier;
1333 declspec->func_specifier |= right->func_specifier;
1334 assert(!right->type);
1335 free(right);
1336 }
1337
1338 if (declspec->stgclass == STG_NONE)
1339 declspec->stgclass = stgclass;
1340 else if (stgclass != STG_NONE)
1341 error_loc("only one storage class can be specified\n");
1342 declspec->qualifier |= qual;
1343 declspec->func_specifier |= func_specifier;
1344
1345 return declspec;
1346 }
1347
1348 static attr_t *make_attr(enum attr_type type)
1349 {
1350 attr_t *a = xmalloc(sizeof(attr_t));
1351 a->type = type;
1352 a->u.ival = 0;
1353 return a;
1354 }
1355
1356 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1357 {
1358 attr_t *a = xmalloc(sizeof(attr_t));
1359 a->type = type;
1360 a->u.ival = val;
1361 return a;
1362 }
1363
1364 static attr_t *make_attrp(enum attr_type type, void *val)
1365 {
1366 attr_t *a = xmalloc(sizeof(attr_t));
1367 a->type = type;
1368 a->u.pval = val;
1369 return a;
1370 }
1371
1372 static attr_t *make_custom_attr(UUID *id, expr_t *pval)
1373 {
1374 attr_t *a = xmalloc(sizeof(attr_t));
1375 attr_custdata_t *cstdata = xmalloc(sizeof(attr_custdata_t));
1376 a->type = ATTR_CUSTOM;
1377 cstdata->id = *id;
1378 cstdata->pval = pval;
1379 a->u.pval = cstdata;
1380 return a;
1381 }
1382
1383 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1384 {
1385 if (!expr) return list;
1386 if (!list)
1387 {
1388 list = xmalloc( sizeof(*list) );
1389 list_init( list );
1390 }
1391 list_add_tail( list, &expr->entry );
1392 return list;
1393 }
1394
1395 static void append_array(declarator_t *decl, expr_t *expr)
1396 {
1397 type_t *array;
1398
1399 if (!expr)
1400 return;
1401
1402 /* An array is always a reference pointer unless explicitly marked otherwise
1403 * (regardless of what the default pointer attribute is). */
1404 array = type_new_array(NULL, NULL, FALSE, expr->is_const ? expr->cval : 0,
1405 expr->is_const ? NULL : expr, NULL);
1406
1407 append_chain_type(decl, array, 0);
1408 }
1409
1410 static struct list type_pool = LIST_INIT(type_pool);
1411 typedef struct
1412 {
1413 type_t data;
1414 struct list link;
1415 } type_pool_node_t;
1416
1417 type_t *alloc_type(void)
1418 {
1419 type_pool_node_t *node = xmalloc(sizeof *node);
1420 list_add_tail(&type_pool, &node->link);
1421 return &node->data;
1422 }
1423
1424 void set_all_tfswrite(int val)
1425 {
1426 type_pool_node_t *node;
1427 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1428 node->data.tfswrite = val;
1429 }
1430
1431 void clear_all_offsets(void)
1432 {
1433 type_pool_node_t *node;
1434 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1435 node->data.typestring_offset = node->data.ptrdesc = 0;
1436 }
1437
1438 static void type_function_add_head_arg(type_t *type, var_t *arg)
1439 {
1440 if (!type->details.function->args)
1441 {
1442 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1443 list_init( type->details.function->args );
1444 }
1445 list_add_head( type->details.function->args, &arg->entry );
1446 }
1447
1448 static int is_allowed_range_type(const type_t *type)
1449 {
1450 switch (type_get_type(type))
1451 {
1452 case TYPE_ENUM:
1453 return TRUE;
1454 case TYPE_BASIC:
1455 switch (type_basic_get_type(type))
1456 {
1457 case TYPE_BASIC_INT8:
1458 case TYPE_BASIC_INT16:
1459 case TYPE_BASIC_INT32:
1460 case TYPE_BASIC_INT64:
1461 case TYPE_BASIC_INT:
1462 case TYPE_BASIC_INT3264:
1463 case TYPE_BASIC_LONG:
1464 case TYPE_BASIC_BYTE:
1465 case TYPE_BASIC_CHAR:
1466 case TYPE_BASIC_WCHAR:
1467 case TYPE_BASIC_HYPER:
1468 return TRUE;
1469 case TYPE_BASIC_FLOAT:
1470 case TYPE_BASIC_DOUBLE:
1471 case TYPE_BASIC_ERROR_STATUS_T:
1472 case TYPE_BASIC_HANDLE:
1473 return FALSE;
1474 }
1475 return FALSE;
1476 default:
1477 return FALSE;
1478 }
1479 }
1480
1481 static type_t *get_chain_ref(type_t *type)
1482 {
1483 if (is_ptr(type))
1484 return type_pointer_get_ref_type(type);
1485 else if (is_array(type))
1486 return type_array_get_element_type(type);
1487 else if (is_func(type))
1488 return type_function_get_rettype(type);
1489 return NULL;
1490 }
1491
1492 static type_t *get_chain_end(type_t *type)
1493 {
1494 type_t *inner;
1495 while ((inner = get_chain_ref(type)))
1496 type = inner;
1497 return type;
1498 }
1499
1500 static void append_chain_type(declarator_t *decl, type_t *type, enum type_qualifier qual)
1501 {
1502 type_t *chain_type;
1503
1504 if (!decl->type)
1505 {
1506 decl->type = type;
1507 decl->qualifier = qual;
1508 return;
1509 }
1510 chain_type = get_chain_end(decl->type);
1511
1512 if (is_ptr(chain_type))
1513 {
1514 chain_type->details.pointer.ref.type = type;
1515 chain_type->details.pointer.ref.qualifier = qual;
1516 }
1517 else if (is_array(chain_type))
1518 {
1519 chain_type->details.array.elem.type = type;
1520 chain_type->details.array.elem.qualifier = qual;
1521 }
1522 else if (is_func(chain_type))
1523 {
1524 chain_type->details.function->retval->declspec.type = type;
1525 chain_type->details.function->retval->declspec.qualifier = qual;
1526 }
1527 else
1528 assert(0);
1529
1530 if (!is_func(chain_type))
1531 type->attrs = move_attr(type->attrs, chain_type->attrs, ATTR_CALLCONV);
1532 }
1533
1534 static void append_chain_callconv(type_t *chain, char *callconv)
1535 {
1536 type_t *chain_end;
1537
1538 if (chain && (chain_end = get_chain_end(chain)))
1539 chain_end->attrs = append_attr(chain_end->attrs, make_attrp(ATTR_CALLCONV, callconv));
1540 else
1541 error_loc("calling convention applied to non-function type\n");
1542 }
1543
1544 static warning_list_t *append_warning(warning_list_t *list, int num)
1545 {
1546 warning_t *entry;
1547
1548 if(!list)
1549 {
1550 list = xmalloc( sizeof(*list) );
1551 list_init( list );
1552 }
1553 entry = xmalloc( sizeof(*entry) );
1554 entry->num = num;
1555 list_add_tail( list, &entry->entry );
1556 return list;
1557 }
1558
1559 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl,
1560 int top)
1561 {
1562 var_t *v = decl->var;
1563 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1564 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1565 expr_t *dim;
1566 type_t **ptype;
1567 type_t *type = decl_spec->type;
1568
1569 if (decl_spec->func_specifier & FUNCTION_SPECIFIER_INLINE)
1570 {
1571 if (!decl || !is_func(decl->type))
1572 error_loc("inline attribute applied to non-function type\n");
1573 }
1574
1575 /* add type onto the end of the pointers in pident->type */
1576 append_chain_type(decl, type, decl_spec->qualifier);
1577 v->declspec = *decl_spec;
1578 v->declspec.type = decl->type;
1579 v->declspec.qualifier = decl->qualifier;
1580 v->attrs = attrs;
1581 v->declonly = !type->defined;
1582
1583 if (is_attr(type->attrs, ATTR_CALLCONV) && !is_func(type))
1584 error_loc("calling convention applied to non-function type\n");
1585
1586 /* check for pointer attribute being applied to non-pointer, non-array
1587 * type */
1588 if (!is_array(v->declspec.type))
1589 {
1590 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1591 const type_t *ptr = NULL;
1592 for (ptr = v->declspec.type; ptr && !ptr_attr; )
1593 {
1594 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1595 if (!ptr_attr && type_is_alias(ptr))
1596 ptr = type_alias_get_aliasee_type(ptr);
1597 else
1598 break;
1599 }
1600 if (is_ptr(ptr))
1601 {
1602 if (ptr_attr && ptr_attr != FC_UP &&
1603 type_get_type(type_pointer_get_ref_type(ptr)) == TYPE_INTERFACE)
1604 warning_loc_info(&v->loc_info,
1605 "%s: pointer attribute applied to interface "
1606 "pointer type has no effect\n", v->name);
1607 if (!ptr_attr && top)
1608 {
1609 /* FIXME: this is a horrible hack to cope with the issue that we
1610 * store an offset to the typeformat string in the type object, but
1611 * two typeformat strings may be written depending on whether the
1612 * pointer is a toplevel parameter or not */
1613 v->declspec.type = duptype(v->declspec.type, 1);
1614 }
1615 }
1616 else if (ptr_attr)
1617 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1618 }
1619
1620 if (is_attr(v->attrs, ATTR_STRING))
1621 {
1622 type_t *t = type;
1623
1624 if (!is_ptr(v->declspec.type) && !is_array(v->declspec.type))
1625 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1626 v->name);
1627
1628 for (;;)
1629 {
1630 if (is_ptr(t))
1631 t = type_pointer_get_ref_type(t);
1632 else if (is_array(t))
1633 t = type_array_get_element_type(t);
1634 else
1635 break;
1636 }
1637
1638 if (type_get_type(t) != TYPE_BASIC &&
1639 (get_basic_fc(t) != FC_CHAR &&
1640 get_basic_fc(t) != FC_BYTE &&
1641 get_basic_fc(t) != FC_WCHAR))
1642 {
1643 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1644 v->name);
1645 }
1646 }
1647
1648 if (is_attr(v->attrs, ATTR_V1ENUM))
1649 {
1650 if (type_get_type_detect_alias(v->declspec.type) != TYPE_ENUM)
1651 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1652 }
1653
1654 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->declspec.type))
1655 error_loc("'%s': [range] attribute applied to non-integer type\n",
1656 v->name);
1657
1658 ptype = &v->declspec.type;
1659 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1660 {
1661 if (dim->type != EXPR_VOID)
1662 {
1663 if (is_array(*ptype))
1664 {
1665 if (!type_array_get_conformance(*ptype) ||
1666 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1667 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1668 else
1669 *ptype = type_new_array((*ptype)->name,
1670 type_array_get_element(*ptype), FALSE,
1671 0, dim, NULL);
1672 }
1673 else if (is_ptr(*ptype))
1674 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1675 0, dim, NULL);
1676 else
1677 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1678 }
1679
1680 if (is_ptr(*ptype))
1681 ptype = &(*ptype)->details.pointer.ref.type;
1682 else if (is_array(*ptype))
1683 ptype = &(*ptype)->details.array.elem.type;
1684 else
1685 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1686 }
1687
1688 ptype = &v->declspec.type;
1689 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1690 {
1691 if (dim->type != EXPR_VOID)
1692 {
1693 if (is_array(*ptype))
1694 {
1695 *ptype = type_new_array((*ptype)->name,
1696 type_array_get_element(*ptype),
1697 type_array_is_decl_as_ptr(*ptype),
1698 type_array_get_dim(*ptype),
1699 type_array_get_conformance(*ptype), dim);
1700 }
1701 else
1702 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1703 }
1704
1705 if (is_ptr(*ptype))
1706 ptype = &(*ptype)->details.pointer.ref.type;
1707 else if (is_array(*ptype))
1708 ptype = &(*ptype)->details.array.elem.type;
1709 else
1710 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1711 }
1712
1713 if (decl->bits)
1714 v->declspec.type = type_new_bitfield(v->declspec.type, decl->bits);
1715
1716 return v;
1717 }
1718
1719 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1720 {
1721 declarator_t *decl, *next;
1722 var_list_t *var_list = NULL;
1723
1724 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1725 {
1726 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1727 var_list = append_var(var_list, var);
1728 free(decl);
1729 }
1730 free(decl_spec);
1731 return var_list;
1732 }
1733
1734 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1735 {
1736 if (!iface) return list;
1737 if (!list)
1738 {
1739 list = xmalloc( sizeof(*list) );
1740 list_init( list );
1741 }
1742 list_add_tail( list, &iface->entry );
1743 return list;
1744 }
1745
1746 static ifref_t *make_ifref(type_t *iface)
1747 {
1748 ifref_t *l = xmalloc(sizeof(ifref_t));
1749 l->iface = iface;
1750 l->attrs = NULL;
1751 return l;
1752 }
1753
1754 var_list_t *append_var(var_list_t *list, var_t *var)
1755 {
1756 if (!var) return list;
1757 if (!list)
1758 {
1759 list = xmalloc( sizeof(*list) );
1760 list_init( list );
1761 }
1762 list_add_tail( list, &var->entry );
1763 return list;
1764 }
1765
1766 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1767 {
1768 if (!vars) return list;
1769 if (!list)
1770 {
1771 list = xmalloc( sizeof(*list) );
1772 list_init( list );
1773 }
1774 list_move_tail( list, vars );
1775 return list;
1776 }
1777
1778 var_t *make_var(char *name)
1779 {
1780 var_t *v = xmalloc(sizeof(var_t));
1781 v->name = name;
1782 init_declspec(&v->declspec, NULL);
1783 v->attrs = NULL;
1784 v->eval = NULL;
1785 init_loc_info(&v->loc_info);
1786 v->declonly = FALSE;
1787 return v;
1788 }
1789
1790 static var_t *copy_var(var_t *src, char *name, map_attrs_filter_t attr_filter)
1791 {
1792 var_t *v = xmalloc(sizeof(var_t));
1793 v->name = name;
1794 v->declspec = src->declspec;
1795 v->attrs = map_attrs(src->attrs, attr_filter);
1796 v->eval = src->eval;
1797 v->loc_info = src->loc_info;
1798 return v;
1799 }
1800
1801 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1802 {
1803 if (!d) return list;
1804 if (!list) {
1805 list = xmalloc(sizeof(*list));
1806 list_init(list);
1807 }
1808 list_add_tail(list, &d->entry);
1809 return list;
1810 }
1811
1812 static declarator_t *make_declarator(var_t *var)
1813 {
1814 declarator_t *d = xmalloc(sizeof(*d));
1815 d->var = var ? var : make_var(NULL);
1816 d->type = NULL;
1817 d->qualifier = 0;
1818 d->bits = NULL;
1819 return d;
1820 }
1821
1822 static type_t *make_safearray(type_t *type)
1823 {
1824 decl_spec_t ds = {.type = type};
1825 ds.type = type_new_alias(&ds, "SAFEARRAY");
1826 return type_new_array(NULL, &ds, TRUE, 0, NULL, NULL);
1827 }
1828
1829 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1830 {
1831 typelib_t *typelib = xmalloc(sizeof(*typelib));
1832 memset(typelib, 0, sizeof(*typelib));
1833 typelib->name = xstrdup(name);
1834 typelib->attrs = attrs;
1835 list_init( &typelib->importlibs );
1836 return typelib;
1837 }
1838
1839 static int hash_ident(const char *name)
1840 {
1841 const char *p = name;
1842 int sum = 0;
1843 /* a simple sum hash is probably good enough */
1844 while (*p) {
1845 sum += *p;
1846 p++;
1847 }
1848 return sum & (HASHMAX-1);
1849 }
1850
1851 /***** type repository *****/
1852
1853 static struct namespace *find_sub_namespace(struct namespace *namespace, const char *name)
1854 {
1855 struct namespace *cur;
1856
1857 LIST_FOR_EACH_ENTRY(cur, &namespace->children, struct namespace, entry) {
1858 if(!strcmp(cur->name, name))
1859 return cur;
1860 }
1861
1862 return NULL;
1863 }
1864
1865 static void push_namespace(const char *name)
1866 {
1867 struct namespace *namespace;
1868
1869 namespace = find_sub_namespace(current_namespace, name);
1870 if(!namespace) {
1871 namespace = xmalloc(sizeof(*namespace));
1872 namespace->name = xstrdup(name);
1873 namespace->parent = current_namespace;
1874 list_add_tail(&current_namespace->children, &namespace->entry);
1875 list_init(&namespace->children);
1876 memset(namespace->type_hash, 0, sizeof(namespace->type_hash));
1877 }
1878
1879 current_namespace = namespace;
1880 }
1881
1882 static void pop_namespace(const char *name)
1883 {
1884 assert(!strcmp(current_namespace->name, name) && current_namespace->parent);
1885 current_namespace = current_namespace->parent;
1886 }
1887
1888 static void init_lookup_namespace(const char *name)
1889 {
1890 if (!(lookup_namespace = find_sub_namespace(&global_namespace, name)))
1891 error_loc("namespace '%s' not found\n", name);
1892 }
1893
1894 static void push_lookup_namespace(const char *name)
1895 {
1896 struct namespace *namespace;
1897 if (!(namespace = find_sub_namespace(lookup_namespace, name)))
1898 error_loc("namespace '%s' not found\n", name);
1899 lookup_namespace = namespace;
1900 }
1901
1902 struct rtype {
1903 const char *name;
1904 type_t *type;
1905 int t;
1906 struct rtype *next;
1907 };
1908
1909 type_t *reg_type(type_t *type, const char *name, struct namespace *namespace, int t)
1910 {
1911 struct rtype *nt;
1912 int hash;
1913 if (!name) {
1914 error_loc("registering named type without name\n");
1915 return type;
1916 }
1917 if (!namespace)
1918 namespace = &global_namespace;
1919 hash = hash_ident(name);
1920 nt = xmalloc(sizeof(struct rtype));
1921 nt->name = name;
1922 if (is_global_namespace(namespace))
1923 type->c_name = name;
1924 else
1925 type->c_name = format_namespace(namespace, "__x_", "_C", name);
1926 nt->type = type;
1927 nt->t = t;
1928 nt->next = namespace->type_hash[hash];
1929 namespace->type_hash[hash] = nt;
1930 return type;
1931 }
1932
1933 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1934 {
1935 declarator_t *decl;
1936 type_t *type = decl_spec->type;
1937
1938 if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1939 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1940
1941 /* We must generate names for tagless enum, struct or union.
1942 Typedef-ing a tagless enum, struct or union means we want the typedef
1943 to be included in a library hence the public attribute. */
1944 if (type_get_type_detect_alias(type) == TYPE_ENUM ||
1945 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1946 type_get_type_detect_alias(type) == TYPE_UNION ||
1947 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION)
1948 {
1949 if (!type->name)
1950 {
1951 type->name = gen_name();
1952 if (!is_attr(attrs, ATTR_PUBLIC))
1953 attrs = append_attr(attrs, make_attr(ATTR_PUBLIC));
1954 }
1955
1956 /* replace existing attributes when generating a typelib */
1957 if (do_typelib)
1958 type->attrs = attrs;
1959 }
1960
1961 LIST_FOR_EACH_ENTRY( decl, decls, declarator_t, entry )
1962 {
1963
1964 if (decl->var->name) {
1965 type_t *cur;
1966 var_t *name;
1967
1968 cur = find_type(decl->var->name, current_namespace, 0);
1969
1970 /*
1971 * MIDL allows shadowing types that are declared in imported files.
1972 * We don't throw an error in this case and instead add a new type
1973 * (which is earlier on the list in hash table, so it will be used
1974 * instead of shadowed type).
1975 *
1976 * FIXME: We may consider string separated type tables for each input
1977 * for cleaner solution.
1978 */
1979 if (cur && input_name == cur->loc_info.input_name)
1980 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1981 cur->name, cur->loc_info.input_name,
1982 cur->loc_info.line_number);
1983
1984 name = declare_var(attrs, decl_spec, decl, 0);
1985 cur = type_new_alias(&name->declspec, name->name);
1986 cur->attrs = attrs;
1987
1988 reg_type(cur, cur->name, current_namespace, 0);
1989 }
1990 }
1991 return type;
1992 }
1993
1994 type_t *find_type(const char *name, struct namespace *namespace, int t)
1995 {
1996 struct rtype *cur;
1997
1998 if(namespace && namespace != &global_namespace) {
1999 for(cur = namespace->type_hash[hash_ident(name)]; cur; cur = cur->next) {
2000 if(cur->t == t && !strcmp(cur->name, name))
2001 return cur->type;
2002 }
2003 }
2004 for(cur = global_namespace.type_hash[hash_ident(name)]; cur; cur = cur->next) {
2005 if(cur->t == t && !strcmp(cur->name, name))
2006 return cur->type;
2007 }
2008 return NULL;
2009 }
2010
2011 static type_t *find_type_or_error(const char *name, int t)
2012 {
2013 type_t *type;
2014 if (!(type = find_type(name, current_namespace, t)) &&
2015 !(type = find_type(name, lookup_namespace, t)))
2016 {
2017 error_loc("type '%s' not found\n", name);
2018 return NULL;
2019 }
2020 return type;
2021 }
2022
2023 static type_t *find_type_or_error2(char *name, int t)
2024 {
2025 type_t *tp = find_type_or_error(name, t);
2026 free(name);
2027 return tp;
2028 }
2029
2030 int is_type(const char *name)
2031 {
2032 return find_type(name, current_namespace, 0) != NULL ||
2033 find_type(name, lookup_namespace, 0) != NULL;
2034 }
2035
2036 int is_namespace(const char *name)
2037 {
2038 if (!winrt_mode) return 0;
2039 return find_sub_namespace(current_namespace, name) != NULL ||
2040 find_sub_namespace(&global_namespace, name) != NULL;
2041 }
2042
2043 type_t *get_type(enum type_type type, char *name, struct namespace *namespace, int t)
2044 {
2045 type_t *tp;
2046 if (!namespace)
2047 namespace = &global_namespace;
2048 if (name) {
2049 tp = find_type(name, namespace, t);
2050 if (tp) {
2051 free(name);
2052 return tp;
2053 }
2054 }
2055 tp = make_type(type);
2056 tp->name = name;
2057 tp->namespace = namespace;
2058 if (!name) return tp;
2059 return reg_type(tp, name, namespace, t);
2060 }
2061
2062 /***** constant repository *****/
2063
2064 struct rconst {
2065 char *name;
2066 var_t *var;
2067 struct rconst *next;
2068 };
2069
2070 struct rconst *const_hash[HASHMAX];
2071
2072 static var_t *reg_const(var_t *var)
2073 {
2074 struct rconst *nc;
2075 int hash;
2076 if (!var->name) {
2077 error_loc("registering constant without name\n");
2078 return var;
2079 }
2080 hash = hash_ident(var->name);
2081 nc = xmalloc(sizeof(struct rconst));
2082 nc->name = var->name;
2083 nc->var = var;
2084 nc->next = const_hash[hash];
2085 const_hash[hash] = nc;
2086 return var;
2087 }
2088
2089 var_t *find_const(const char *name, int f)
2090 {
2091 struct rconst *cur = const_hash[hash_ident(name)];
2092 while (cur && strcmp(cur->name, name))
2093 cur = cur->next;
2094 if (!cur) {
2095 if (f) error_loc("constant '%s' not found\n", name);
2096 return NULL;
2097 }
2098 return cur->var;
2099 }
2100
2101 char *gen_name(void)
2102 {
2103 static unsigned long n = 0;
2104 static const char *file_id;
2105
2106 if (! file_id)
2107 {
2108 char *dst = dup_basename(input_idl_name, ".idl");
2109 file_id = dst;
2110
2111 for (; *dst; ++dst)
2112 if (! isalnum((unsigned char) *dst))
2113 *dst = '_';
2114 }
2115 return strmake("__WIDL_%s_generated_name_%08lX", file_id, n++);
2116 }
2117
2118 struct allowed_attr
2119 {
2120 unsigned int dce_compatible : 1;
2121 unsigned int acf : 1;
2122 unsigned int multiple : 1;
2123
2124 unsigned int on_interface : 1;
2125 unsigned int on_function : 1;
2126 unsigned int on_arg : 1;
2127 unsigned int on_type : 1;
2128 unsigned int on_enum : 1;
2129 unsigned int on_enum_member : 1;
2130 unsigned int on_struct : 2;
2131 unsigned int on_union : 1;
2132 unsigned int on_field : 1;
2133 unsigned int on_library : 1;
2134 unsigned int on_dispinterface : 1;
2135 unsigned int on_module : 1;
2136 unsigned int on_coclass : 1;
2137 const char *display_name;
2138 };
2139
2140 struct allowed_attr allowed_attr[] =
2141 {
2142 /* attr { D ACF M I Fn ARG T En Enm St Un Fi L DI M C <display name> } */
2143 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2144 /* ATTR_ALLOCATE */ { 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "allocate" },
2145 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2146 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2147 /* ATTR_ASYNC */ { 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2148 /* ATTR_ASYNCUUID */ { 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "async_uuid" },
2149 /* ATTR_AUTO_HANDLE */ { 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2150 /* ATTR_BINDABLE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2151 /* ATTR_BROADCAST */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2152 /* ATTR_CALLAS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2153 /* ATTR_CALLCONV */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2154 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2155 /* ATTR_CODE */ { 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2156 /* ATTR_COMMSTATUS */ { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2157 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2158 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2159 /* ATTR_CUSTOM */ { 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, "custom" },
2160 /* ATTR_DECODE */ { 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2161 /* ATTR_DEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2162 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2163 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2164 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2165 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2166 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2167 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2168 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2169 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2170 /* ATTR_DUAL */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2171 /* ATTR_ENABLEALLOCATE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2172 /* ATTR_ENCODE */ { 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2173 /* ATTR_ENDPOINT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2174 /* ATTR_ENTRY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2175 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2176 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2177 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2178 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2179 /* ATTR_HELPCONTEXT */ { 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2180 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2181 /* ATTR_HELPSTRING */ { 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2182 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2183 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2184 /* ATTR_HIDDEN */ { 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2185 /* ATTR_ID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2186 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2187 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2188 /* ATTR_IIDIS */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2189 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2190 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2191 /* ATTR_IN */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2192 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2193 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2194 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2195 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2196 /* ATTR_LOCAL */ { 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2197 /* ATTR_MAYBE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2198 /* ATTR_MESSAGE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2199 /* ATTR_NOCODE */ { 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2200 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2201 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2202 /* ATTR_NONEXTENSIBLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2203 /* ATTR_NOTIFY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2204 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2205 /* ATTR_OBJECT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2206 /* ATTR_ODL */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2207 /* ATTR_OLEAUTOMATION */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2208 /* ATTR_OPTIMIZE */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2209 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2210 /* ATTR_OUT */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2211 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2212 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2213 /* ATTR_POINTERDEFAULT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2214 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2215 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2216 /* ATTR_PROPGET */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2217 /* ATTR_PROPPUT */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2218 /* ATTR_PROPPUTREF */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2219 /* ATTR_PROXY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2220 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2221 /* ATTR_RANGE */ { 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "range" },
2222 /* ATTR_READONLY */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2223 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2224 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2225 /* ATTR_RESTRICTED */ { 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, "restricted" },
2226 /* ATTR_RETVAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2227 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2228 /* ATTR_SOURCE */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2229 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2230 /* ATTR_STRING */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2231 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2232 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2233 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2234 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2235 /* ATTR_UIDEFAULT */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2236 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2237 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2238 /* ATTR_UUID */ { 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, "uuid" },
2239 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2240 /* ATTR_VARARG */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2241 /* ATTR_VERSION */ { 1, 0, 0, 1, 0, 0, 1, 1, 0, 2, 0, 0, 1, 0, 0, 1, "version" },
2242 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2243 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2244 };
2245
2246 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
2247 {
2248 attr_t *attr_existing;
2249 if (!attr) return list;
2250 if (!list)
2251 {
2252 list = xmalloc( sizeof(*list) );
2253 list_init( list );
2254 }
2255 if (!allowed_attr[attr->type].multiple)
2256 {
2257 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
2258 if (attr_existing->type == attr->type)
2259 {
2260 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
2261 /* use the last attribute, like MIDL does */
2262 list_remove(&attr_existing->entry);
2263 break;
2264 }
2265 }
2266 list_add_tail( list, &attr->entry );
2267 return list;
2268 }
2269
2270 const char *get_attr_display_name(enum attr_type type)
2271 {
2272 return allowed_attr[type].display_name;
2273 }
2274
2275 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2276 {
2277 const attr_t *attr;
2278 if (!attrs) return attrs;
2279 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2280 {
2281 if (!allowed_attr[attr->type].on_interface)
2282 error_loc("inapplicable attribute %s for interface %s\n",
2283 allowed_attr[attr->type].display_name, name);
2284 if (attr->type == ATTR_IMPLICIT_HANDLE)
2285 {
2286 const var_t *var = attr->u.pval;
2287 if (type_get_type( var->declspec.type) == TYPE_BASIC &&
2288 type_basic_get_type( var->declspec.type ) == TYPE_BASIC_HANDLE)
2289 continue;
2290 if (is_aliaschain_attr( var->declspec.type, ATTR_HANDLE ))
2291 continue;
2292 error_loc("attribute %s requires a handle type in interface %s\n",
2293 allowed_attr[attr->type].display_name, name);
2294 }
2295 }
2296 return attrs;
2297 }
2298
2299 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2300 {
2301 const attr_t *attr;
2302 if (!attrs) return attrs;
2303 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2304 {
2305 if (!allowed_attr[attr->type].on_function)
2306 error_loc("inapplicable attribute %s for function %s\n",
2307 allowed_attr[attr->type].display_name, name);
2308 }
2309 return attrs;
2310 }
2311
2312 static void check_arg_attrs(const var_t *arg)
2313 {
2314 const attr_t *attr;
2315
2316 if (arg->attrs)
2317 {
2318 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2319 {
2320 if (!allowed_attr[attr->type].on_arg)
2321 error_loc("inapplicable attribute %s for argument %s\n",
2322 allowed_attr[attr->type].display_name, arg->name);
2323 }
2324 }
2325 }
2326
2327 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2328 {
2329 const attr_t *attr;
2330 if (!attrs) return attrs;
2331 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2332 {
2333 if (!allowed_attr[attr->type].on_type)
2334 error_loc("inapplicable attribute %s for typedef\n",
2335 allowed_attr[attr->type].display_name);
2336 }
2337 return attrs;
2338 }
2339
2340 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2341 {
2342 const attr_t *attr;
2343 if (!attrs) return attrs;
2344 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2345 {
2346 if (!allowed_attr[attr->type].on_enum)
2347 error_loc("inapplicable attribute %s for enum\n",
2348 allowed_attr[attr->type].display_name);
2349 }
2350 return attrs;
2351 }
2352
2353 static attr_list_t *check_enum_member_attrs(attr_list_t *attrs)
2354 {
2355 const attr_t *attr;
2356 if (!attrs) return attrs;
2357 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2358 {
2359 if (!allowed_attr[attr->type].on_enum_member)
2360 error_loc("inapplicable attribute %s for enum member\n",
2361 allowed_attr[attr->type].display_name);
2362 }
2363 return attrs;
2364 }
2365
2366 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2367 {
2368 int mask = winrt_mode ? 3 : 1;
2369 const attr_t *attr;
2370 if (!attrs) return attrs;
2371 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2372 {
2373 if (!(allowed_attr[attr->type].on_struct & mask))
2374 error_loc("inapplicable attribute %s for struct\n",
2375 allowed_attr[attr->type].display_name);
2376 }
2377 return attrs;
2378 }
2379
2380 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2381 {
2382 const attr_t *attr;
2383 if (!attrs) return attrs;
2384 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2385 {
2386 if (!allowed_attr[attr->type].on_union)
2387 error_loc("inapplicable attribute %s for union\n",
2388 allowed_attr[attr->type].display_name);
2389 }
2390 return attrs;
2391 }
2392
2393 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2394 {
2395 const attr_t *attr;
2396 if (!attrs) return attrs;
2397 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2398 {
2399 if (!allowed_attr[attr->type].on_field)
2400 error_loc("inapplicable attribute %s for field %s\n",
2401 allowed_attr[attr->type].display_name, name);
2402 }
2403 return attrs;
2404 }
2405
2406 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2407 {
2408 const attr_t *attr;
2409 if (!attrs) return attrs;
2410 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2411 {
2412 if (!allowed_attr[attr->type].on_library)
2413 error_loc("inapplicable attribute %s for library %s\n",
2414 allowed_attr[attr->type].display_name, name);
2415 }
2416 return attrs;
2417 }
2418
2419 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2420 {
2421 const attr_t *attr;
2422 if (!attrs) return attrs;
2423 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2424 {
2425 if (!allowed_attr[attr->type].on_dispinterface)
2426 error_loc("inapplicable attribute %s for dispinterface %s\n",
2427 allowed_attr[attr->type].display_name, name);
2428 }
2429 return attrs;
2430 }
2431
2432 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2433 {
2434 const attr_t *attr;
2435 if (!attrs) return attrs;
2436 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2437 {
2438 if (!allowed_attr[attr->type].on_module)
2439 error_loc("inapplicable attribute %s for module %s\n",
2440 allowed_attr[attr->type].display_name, name);
2441 }
2442 return attrs;
2443 }
2444
2445 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2446 {
2447 const attr_t *attr;
2448 if (!attrs) return attrs;
2449 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2450 {
2451 if (!allowed_attr[attr->type].on_coclass)
2452 error_loc("inapplicable attribute %s for coclass %s\n",
2453 allowed_attr[attr->type].display_name, name);
2454 }
2455 return attrs;
2456 }
2457
2458 static int is_allowed_conf_type(const type_t *type)
2459 {
2460 switch (type_get_type(type))
2461 {
2462 case TYPE_ENUM:
2463 return TRUE;
2464 case TYPE_BASIC:
2465 switch (type_basic_get_type(type))
2466 {
2467 case TYPE_BASIC_INT8:
2468 case TYPE_BASIC_INT16:
2469 case TYPE_BASIC_INT32:
2470 case TYPE_BASIC_INT64:
2471 case TYPE_BASIC_INT:
2472 case TYPE_BASIC_LONG:
2473 case TYPE_BASIC_CHAR:
2474 case TYPE_BASIC_HYPER:
2475 case TYPE_BASIC_BYTE:
2476 case TYPE_BASIC_WCHAR:
2477 return TRUE;
2478 default:
2479 return FALSE;
2480 }
2481 case TYPE_ALIAS:
2482 /* shouldn't get here because of type_get_type call above */
2483 assert(0);
2484 /* fall through */
2485 case TYPE_STRUCT:
2486 case TYPE_UNION:
2487 case TYPE_ENCAPSULATED_UNION:
2488 case TYPE_ARRAY:
2489 case TYPE_POINTER:
2490 case TYPE_VOID:
2491 case TYPE_MODULE:
2492 case TYPE_COCLASS:
2493 case TYPE_FUNCTION:
2494 case TYPE_INTERFACE:
2495 case TYPE_BITFIELD:
2496 return FALSE;
2497 }
2498 return FALSE;
2499 }
2500
2501 static int is_ptr_guid_type(const type_t *type)
2502 {
2503 /* first, make sure it is a pointer to something */
2504 if (!is_ptr(type)) return FALSE;
2505
2506 /* second, make sure it is a pointer to something of size sizeof(GUID),
2507 * i.e. 16 bytes */
2508 return (type_memsize(type_pointer_get_ref_type(type)) == 16);
2509 }
2510
2511 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2512 {
2513 expr_t *dim;
2514 struct expr_loc expr_loc;
2515 expr_loc.v = arg;
2516 expr_loc.attr = attr_name;
2517 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2518 {
2519 if (dim->type != EXPR_VOID)
2520 {
2521 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2522 if (!is_allowed_conf_type(expr_type))
2523 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2524 attr_name);
2525 }
2526 }
2527 }
2528
2529 static void check_remoting_fields(const var_t *var, type_t *type);
2530
2531 /* checks that properties common to fields and arguments are consistent */
2532 static void check_field_common(const type_t *container_type,
2533 const char *container_name, const var_t *arg)
2534 {
2535 type_t *type = arg->declspec.type;
2536 int more_to_do;
2537 const char *container_type_name;
2538 const char *var_type;
2539
2540 switch (type_get_type(container_type))
2541 {
2542 case TYPE_STRUCT:
2543 container_type_name = "struct";
2544 var_type = "field";
2545 break;
2546 case TYPE_UNION:
2547 container_type_name = "union";
2548 var_type = "arm";
2549 break;
2550 case TYPE_ENCAPSULATED_UNION:
2551 container_type_name = "encapsulated union";
2552 var_type = "arm";
2553 break;
2554 case TYPE_FUNCTION:
2555 container_type_name = "function";
2556 var_type = "parameter";
2557 break;
2558 default:
2559 /* should be no other container types */
2560 assert(0);
2561 return;
2562 }
2563
2564 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2565 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->declspec.type, ATTR_STRING)))
2566 error_loc_info(&arg->loc_info,
2567 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2568 arg->name);
2569
2570 if (is_attr(arg->attrs, ATTR_SIZEIS))
2571 {
2572 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2573 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2574 }
2575 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2576 {
2577 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2578 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2579 }
2580 if (is_attr(arg->attrs, ATTR_IIDIS))
2581 {
2582 struct expr_loc expr_loc;
2583 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2584 if (expr->type != EXPR_VOID)
2585 {
2586 const type_t *expr_type;
2587 expr_loc.v = arg;
2588 expr_loc.attr = "iid_is";
2589 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2590 if (!expr_type || !is_ptr_guid_type(expr_type))
2591 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2592 }
2593 }
2594 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2595 {
2596 struct expr_loc expr_loc;
2597 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2598 if (expr->type != EXPR_VOID)
2599 {
2600 const type_t *expr_type;
2601 expr_loc.v = arg;
2602 expr_loc.attr = "switch_is";
2603 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2604 if (!expr_type || !is_allowed_conf_type(expr_type))
2605 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2606 expr_loc.attr);
2607 }
2608 }
2609
2610 do
2611 {
2612 more_to_do = FALSE;
2613
2614 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2615 {
2616 case TGT_STRUCT:
2617 case TGT_UNION:
2618 check_remoting_fields(arg, type);
2619 break;
2620 case TGT_INVALID:
2621 {
2622 const char *reason = "is invalid";
2623 switch (type_get_type(type))
2624 {
2625 case TYPE_VOID:
2626 reason = "cannot derive from void *";
2627 break;
2628 case TYPE_FUNCTION:
2629 reason = "cannot be a function pointer";
2630 break;
2631 case TYPE_BITFIELD:
2632 reason = "cannot be a bit-field";
2633 break;
2634 case TYPE_COCLASS:
2635 reason = "cannot be a class";
2636 break;
2637 case TYPE_INTERFACE:
2638 reason = "cannot be a non-pointer to an interface";
2639 break;
2640 case TYPE_MODULE:
2641 reason = "cannot be a module";
2642 break;
2643 default:
2644 break;
2645 }
2646 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2647 var_type, arg->name, container_type_name, container_name, reason);
2648 break;
2649 }
2650 case TGT_CTXT_HANDLE:
2651 case TGT_CTXT_HANDLE_POINTER:
2652 if (type_get_type(container_type) != TYPE_FUNCTION)
2653 error_loc_info(&arg->loc_info,
2654 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2655 var_type, arg->name, container_type_name,
2656 container_name);
2657 break;
2658 case TGT_STRING:
2659 {
2660 const type_t *t = type;
2661 while (is_ptr(t))
2662 t = type_pointer_get_ref_type(t);
2663 if (is_aliaschain_attr(t, ATTR_RANGE))
2664 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2665 break;
2666 }
2667 case TGT_POINTER:
2668 type = type_pointer_get_ref_type(type);
2669 more_to_do = TRUE;
2670 break;
2671 case TGT_ARRAY:
2672 type = type_array_get_element_type(type);
2673 more_to_do = TRUE;
2674 break;
2675 case TGT_ENUM:
2676 type = type_get_real_type(type);
2677 if (!type_is_complete(type))
2678 {
2679 error_loc_info(&arg->loc_info, "undefined type declaration \"enum %s\"\n", type->name);
2680 }
2681 case TGT_USER_TYPE:
2682 case TGT_IFACE_POINTER:
2683 case TGT_BASIC:
2684 case TGT_RANGE:
2685 /* nothing to do */
2686 break;
2687 }
2688 } while (more_to_do);
2689 }
2690
2691 static void check_remoting_fields(const var_t *var, type_t *type)
2692 {
2693 const var_t *field;
2694 const var_list_t *fields = NULL;
2695
2696 type = type_get_real_type(type);
2697
2698 if (type->checked)
2699 return;
2700
2701 type->checked = TRUE;
2702
2703 if (type_get_type(type) == TYPE_STRUCT)
2704 {
2705 if (type_is_complete(type))
2706 fields = type_struct_get_fields(type);
2707 else
2708 error_loc_info(&var->loc_info, "undefined type declaration \"struct %s\"\n", type->name);
2709 }
2710 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2711 {
2712 if (type_is_complete(type))
2713 fields = type_union_get_cases(type);
2714 else
2715 error_loc_info(&var->loc_info, "undefined type declaration \"union %s\"\n", type->name);
2716 }
2717
2718 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2719 if (field->declspec.type) check_field_common(type, type->name, field);
2720 }
2721
2722 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2723 static void check_remoting_args(const var_t *func)
2724 {
2725 const char *funcname = func->name;
2726 const var_t *arg;
2727
2728 if (!type_function_get_args(func->declspec.type))
2729 return;
2730
2731 LIST_FOR_EACH_ENTRY( arg, type_function_get_args(func->declspec.type), const var_t, entry )
2732 {
2733 const type_t *type = arg->declspec.type;
2734
2735 /* check that [out] parameters have enough pointer levels */
2736 if (is_attr(arg->attrs, ATTR_OUT))
2737 {
2738 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2739 {
2740 case TGT_BASIC:
2741 case TGT_ENUM:
2742 case TGT_RANGE:
2743 case TGT_STRUCT:
2744 case TGT_UNION:
2745 case TGT_CTXT_HANDLE:
2746 case TGT_USER_TYPE:
2747 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2748 break;
2749 case TGT_IFACE_POINTER:
2750 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2751 break;
2752 case TGT_STRING:
2753 if (is_array(type))
2754 {
2755 /* needs conformance or fixed dimension */
2756 if (type_array_has_conformance(type) &&
2757 type_array_get_conformance(type)->type != EXPR_VOID) break;
2758 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2759 }
2760 if (is_attr( arg->attrs, ATTR_IN )) break;
2761 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2762 break;
2763 case TGT_INVALID:
2764 /* already error'd before we get here */
2765 case TGT_CTXT_HANDLE_POINTER:
2766 case TGT_POINTER:
2767 case TGT_ARRAY:
2768 /* OK */
2769 break;
2770 }
2771 }
2772
2773 check_field_common(func->declspec.type, funcname, arg);
2774 }
2775
2776 if (type_get_type(type_function_get_rettype(func->declspec.type)) != TYPE_VOID)
2777 {
2778 var_t var;
2779 var = *func;
2780 var.declspec.type = type_function_get_rettype(func->declspec.type);
2781 var.name = xstrdup("return value");
2782 check_field_common(func->declspec.type, funcname, &var);
2783 free(var.name);
2784 }
2785 }
2786
2787 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2788 {
2789 unsigned char explicit_fc, implicit_fc;
2790
2791 /* check for a defined binding handle */
2792 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2793 {
2794 /* no explicit handle specified so add
2795 * "[in] handle_t IDL_handle" as the first parameter to the
2796 * function */
2797 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2798 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2799 idl_handle->declspec.type = find_type_or_error("handle_t", 0);
2800 type_function_add_head_arg(func->declspec.type, idl_handle);
2801 }
2802 }
2803
2804 static void check_functions(const type_t *iface, int is_inside_library)
2805 {
2806 const statement_t *stmt;
2807 /* check for duplicates */
2808 if (is_attr(iface->attrs, ATTR_DISPINTERFACE))
2809 {
2810 var_list_t *methods = type_dispiface_get_methods(iface);
2811 var_t *func, *func_iter;
2812
2813 if (methods) LIST_FOR_EACH_ENTRY( func, methods, var_t, entry )
2814 {
2815 LIST_FOR_EACH_ENTRY( func_iter, methods, var_t, entry )
2816 {
2817 if (func == func_iter) break;
2818 if (strcmp(func->name, func_iter->name)) continue;
2819 if (is_attr(func->attrs, ATTR_PROPGET) != is_attr(func_iter->attrs, ATTR_PROPGET)) continue;
2820 if (is_attr(func->attrs, ATTR_PROPPUT) != is_attr(func_iter->attrs, ATTR_PROPPUT)) continue;
2821 if (is_attr(func->attrs, ATTR_PROPPUTREF) != is_attr(func_iter->attrs, ATTR_PROPPUTREF)) continue;
2822 error_loc_info(&func->loc_info, "duplicated function \'%s\'\n", func->name);
2823 }
2824 }
2825 }
2826 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2827 {
2828 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2829 {
2830 var_t *func = stmt->u.var;
2831 add_explicit_handle_if_necessary(iface, func);
2832 }
2833 }
2834 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2835 {
2836 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2837 {
2838 const var_t *func = stmt->u.var;
2839 if (!is_attr(func->attrs, ATTR_LOCAL))
2840 check_remoting_args(func);
2841 }
2842 }
2843 }
2844
2845 static int async_iface_attrs(attr_list_t *attrs, const attr_t *attr)
2846 {
2847 switch(attr->type)
2848 {
2849 case ATTR_UUID:
2850 return 0;
2851 case ATTR_ASYNCUUID:
2852 append_attr(attrs, make_attrp(ATTR_UUID, attr->u.pval));
2853 return 0;
2854 default:
2855 return 1;
2856 }
2857 }
2858
2859 static int arg_in_attrs(attr_list_t *attrs, const attr_t *attr)
2860 {
2861 return attr->type != ATTR_OUT && attr->type != ATTR_RETVAL;
2862 }
2863
2864 static int arg_out_attrs(attr_list_t *attrs, const attr_t *attr)
2865 {
2866 return attr->type != ATTR_IN;
2867 }
2868
2869 static void check_async_uuid(type_t *iface)
2870 {
2871 statement_list_t *stmts = NULL;
2872 statement_t *stmt;
2873 type_t *async_iface;
2874 type_t *inherit;
2875
2876 if (!is_attr(iface->attrs, ATTR_ASYNCUUID)) return;
2877
2878 inherit = type_iface_get_inherit(iface);
2879 if (inherit && strcmp(inherit->name, "IUnknown"))
2880 inherit = type_iface_get_async_iface(inherit);
2881 if (!inherit)
2882 error_loc("async_uuid applied to an interface with incompatible parent\n");
2883
2884 async_iface = get_type(TYPE_INTERFACE, strmake("Async%s", iface->name), iface->namespace, 0);
2885 async_iface->attrs = map_attrs(iface->attrs, async_iface_attrs);
2886
2887 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2888 {
2889 var_t *begin_func, *finish_func, *func = stmt->u.var, *arg;
2890 var_list_t *begin_args = NULL, *finish_args = NULL, *args;
2891
2892 args = type_function_get_args(func->declspec.type);
2893 if (args) LIST_FOR_EACH_ENTRY(arg, args, var_t, entry)
2894 {
2895 if (is_attr(arg->attrs, ATTR_IN) || !is_attr(arg->attrs, ATTR_OUT))
2896 begin_args = append_var(begin_args, copy_var(arg, strdup(arg->name), arg_in_attrs));
2897 if (is_attr(arg->attrs, ATTR_OUT))
2898 finish_args = append_var(finish_args, copy_var(arg, strdup(arg->name), arg_out_attrs));
2899 }
2900
2901 begin_func = copy_var(func, strmake("Begin_%s", func->name), NULL);
2902 begin_func->declspec.type = type_new_function(begin_args);
2903 begin_func->declspec.type->attrs = func->attrs;
2904 begin_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
2905 stmts = append_statement(stmts, make_statement_declaration(begin_func));
2906
2907 finish_func = copy_var(func, strmake("Finish_%s", func->name), NULL);
2908 finish_func->declspec.type = type_new_function(finish_args);
2909 finish_func->declspec.type->attrs = func->attrs;
2910 finish_func->declspec.type->details.function->retval = func->declspec.type->details.function->retval;
2911 stmts = append_statement(stmts, make_statement_declaration(finish_func));
2912 }
2913
2914 type_interface_define(async_iface, inherit, stmts);
2915 iface->details.iface->async_iface = async_iface->details.iface->async_iface = async_iface;
2916 }
2917
2918 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2919 {
2920 const statement_t *stmt;
2921
2922 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2923 {
2924 switch(stmt->type) {
2925 case STMT_LIBRARY:
2926 check_statements(stmt->u.lib->stmts, TRUE);
2927 break;
2928 case STMT_TYPE:
2929 switch(type_get_type(stmt->u.type)) {
2930 case TYPE_INTERFACE:
2931 check_functions(stmt->u.type, is_inside_library);
2932 break;
2933 case TYPE_COCLASS:
2934 if(winrt_mode)
2935 error_loc("coclass is not allowed in Windows Runtime mode\n");
2936 break;
2937 default:
2938 break;
2939 }
2940 break;
2941 default:
2942 break;
2943 }
2944 }
2945 }
2946
2947 static void check_all_user_types(const statement_list_t *stmts)
2948 {
2949 const statement_t *stmt;
2950 const var_t *v;
2951
2952 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2953 {
2954 if (stmt->type == STMT_LIBRARY)
2955 check_all_user_types(stmt->u.lib->stmts);
2956 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2957 !is_local(stmt->u.type->attrs))
2958 {
2959 const statement_t *stmt_func;
2960 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2961 const var_t *func = stmt_func->u.var;
2962 if (type_function_get_args(func->declspec.type))
2963 LIST_FOR_EACH_ENTRY( v, type_function_get_args(func->declspec.type), const var_t, entry )
2964 check_for_additional_prototype_types(v->declspec.type);
2965 check_for_additional_prototype_types(type_function_get_rettype(func->declspec.type));
2966 }
2967 }
2968 }
2969 }
2970
2971 int is_valid_uuid(const char *s)
2972 {
2973 int i;
2974
2975 for (i = 0; i < 36; ++i)
2976 if (i == 8 || i == 13 || i == 18 || i == 23)
2977 {
2978 if (s[i] != '-')
2979 return FALSE;
2980 }
2981 else
2982 if (!isxdigit(s[i]))
2983 return FALSE;
2984
2985 return s[i] == '\0';
2986 }
2987
2988 static statement_t *make_statement(enum statement_type type)
2989 {
2990 statement_t *stmt = xmalloc(sizeof(*stmt));
2991 stmt->type = type;
2992 return stmt;
2993 }
2994
2995 static statement_t *make_statement_type_decl(type_t *type)
2996 {
2997 statement_t *stmt = make_statement(STMT_TYPE);
2998 stmt->u.type = type;
2999 stmt->declonly = !type->defined;
3000 return stmt;
3001 }
3002
3003 static statement_t *make_statement_reference(type_t *type)
3004 {
3005 statement_t *stmt = make_statement(STMT_TYPEREF);
3006 stmt->u.type = type;
3007 return stmt;
3008 }
3009
3010 static statement_t *make_statement_declaration(var_t *var)
3011 {
3012 statement_t *stmt = make_statement(STMT_DECLARATION);
3013 stmt->u.var = var;
3014 if (var->declspec.stgclass == STG_EXTERN && var->eval)
3015 warning("'%s' initialised and declared extern\n", var->name);
3016 if (is_const_decl(var))
3017 {
3018 if (var->eval)
3019 reg_const(var);
3020 }
3021 else if (type_get_type(var->declspec.type) == TYPE_FUNCTION)
3022 check_function_attrs(var->name, var->attrs);
3023 else if (var->declspec.stgclass == STG_NONE || var->declspec.stgclass == STG_REGISTER)
3024 error_loc("instantiation of data is illegal\n");
3025 return stmt;
3026 }
3027
3028 static statement_t *make_statement_library(typelib_t *typelib)
3029 {
3030 statement_t *stmt = make_statement(STMT_LIBRARY);
3031 stmt->u.lib = typelib;
3032 return stmt;
3033 }
3034
3035 static statement_t *make_statement_pragma(const char *str)
3036 {
3037 statement_t *stmt = make_statement(STMT_PRAGMA);
3038 stmt->u.str = str;
3039 return stmt;
3040 }
3041
3042 static statement_t *make_statement_cppquote(const char *str)
3043 {
3044 statement_t *stmt = make_statement(STMT_CPPQUOTE);
3045 stmt->u.str = str;
3046 return stmt;
3047 }
3048
3049 static statement_t *make_statement_importlib(const char *str)
3050 {
3051 statement_t *stmt = make_statement(STMT_IMPORTLIB);
3052 stmt->u.str = str;
3053 return stmt;
3054 }
3055
3056 static statement_t *make_statement_import(const char *str)
3057 {
3058 statement_t *stmt = make_statement(STMT_IMPORT);
3059 stmt->u.str = str;
3060 return stmt;
3061 }
3062
3063 static statement_t *make_statement_module(type_t *type)
3064 {
3065 statement_t *stmt = make_statement(STMT_MODULE);
3066 stmt->u.type = type;
3067 return stmt;
3068 }
3069
3070 static statement_t *make_statement_typedef(declarator_list_t *decls, int declonly)
3071 {
3072 declarator_t *decl, *next;
3073 statement_t *stmt;
3074 type_list_t **type_list;
3075
3076 if (!decls) return NULL;
3077
3078 stmt = make_statement(STMT_TYPEDEF);
3079 stmt->u.type_list = NULL;
3080 type_list = &stmt->u.type_list;
3081 stmt->declonly = declonly;
3082
3083 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
3084 {
3085 var_t *var = decl->var;
3086 type_t *type = find_type_or_error(var->name, 0);
3087 *type_list = xmalloc(sizeof(type_list_t));
3088 (*type_list)->type = type;
3089 (*type_list)->next = NULL;
3090
3091 type_list = &(*type_list)->next;
3092 free(decl);
3093 free(var);
3094 }
3095
3096 return stmt;
3097 }
3098
3099 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
3100 {
3101 if (!l2) return l1;
3102 if (!l1 || l1 == l2) return l2;
3103 list_move_tail (l1, l2);
3104 return l1;
3105 }
3106
3107 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
3108 {
3109 if (!l2) return l1;
3110 if (!l1 || l1 == l2) return l2;
3111 list_move_tail (l1, l2);
3112 return l1;
3113 }
3114
3115 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
3116 {
3117 if (!stmt) return list;
3118 if (!list)
3119 {
3120 list = xmalloc( sizeof(*list) );
3121 list_init( list );
3122 }
3123 list_add_tail( list, &stmt->entry );
3124 return list;
3125 }
3126
3127 void init_loc_info(loc_info_t *i)
3128 {
3129 i->input_name = input_name ? input_name : "stdin";
3130 i->line_number = line_number;
3131 i->near_text = parser_text;
3132 }
3133
3134 static void check_def(const type_t *t)
3135 {
3136 if (t->defined)
3137 error_loc("%s: redefinition error; original definition was at %s:%d\n",
3138 t->name, t->loc_info.input_name, t->loc_info.line_number);
3139 }
Windows API implementation