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ext-ms-win-gdi-render-l1-1-0: Add dll.
[wine.git] / tools / widl / parser.y
blob6551ea20b4598be147e8cb7acf8c413d5c21523d
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 static unsigned char pointer_default = RPC_FC_UP;
42
43 typedef struct list typelist_t;
44 struct typenode {
45 type_t *type;
46 struct list entry;
47 };
48
49 struct _import_t
50 {
51 char *name;
52 int import_performed;
53 };
54
55 typedef struct _decl_spec_t
56 {
57 type_t *type;
58 attr_list_t *attrs;
59 enum storage_class stgclass;
60 } decl_spec_t;
61
62 typelist_t incomplete_types = LIST_INIT(incomplete_types);
63
64 static void fix_incomplete(void);
65 static void fix_incomplete_types(type_t *complete_type);
66
67 static str_list_t *append_str(str_list_t *list, char *str);
68 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
69 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
70 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
71 static attr_t *make_attr(enum attr_type type);
72 static attr_t *make_attrv(enum attr_type type, unsigned int val);
73 static attr_t *make_attrp(enum attr_type type, void *val);
74 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
75 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
76 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
77 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
78 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
79 static ifref_t *make_ifref(type_t *iface);
80 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
81 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
82 static declarator_t *make_declarator(var_t *var);
83 static type_t *make_safearray(type_t *type);
84 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
85 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
86 static warning_list_t *append_warning(warning_list_t *, int);
87
88 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
89 static type_t *find_type_or_error(const char *name, int t);
90 static type_t *find_type_or_error2(char *name, int t);
91
92 static var_t *reg_const(var_t *var);
93
94 static void push_namespace(const char *name);
95 static void pop_namespace(const char *name);
96
97 static char *gen_name(void);
98 static void check_arg_attrs(const var_t *arg);
99 static void check_statements(const statement_list_t *stmts, int is_inside_library);
100 static void check_all_user_types(const statement_list_t *stmts);
101 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
102 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
103 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
104 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
105 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
106 static attr_list_t *check_union_attrs(attr_list_t *attrs);
107 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
108 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
109 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
110 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
111 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
112 const char *get_attr_display_name(enum attr_type type);
113 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
114 static void check_def(const type_t *t);
115
116 static statement_t *make_statement(enum statement_type type);
117 static statement_t *make_statement_type_decl(type_t *type);
118 static statement_t *make_statement_reference(type_t *type);
119 static statement_t *make_statement_declaration(var_t *var);
120 static statement_t *make_statement_library(typelib_t *typelib);
121 static statement_t *make_statement_pragma(const char *str);
122 static statement_t *make_statement_cppquote(const char *str);
123 static statement_t *make_statement_importlib(const char *str);
124 static statement_t *make_statement_module(type_t *type);
125 static statement_t *make_statement_typedef(var_list_t *names);
126 static statement_t *make_statement_import(const char *str);
127 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
128 static statement_list_t *append_statements(statement_list_t *, statement_list_t *);
129 static attr_list_t *append_attribs(attr_list_t *, attr_list_t *);
130
131 static struct namespace global_namespace = {
132 NULL, NULL, LIST_INIT(global_namespace.entry), LIST_INIT(global_namespace.children)
133 };
134
135 static struct namespace *current_namespace = &global_namespace;
136
137 %}
138 %union {
139 attr_t *attr;
140 attr_list_t *attr_list;
141 str_list_t *str_list;
142 expr_t *expr;
143 expr_list_t *expr_list;
144 array_dims_t *array_dims;
145 type_t *type;
146 var_t *var;
147 var_list_t *var_list;
148 declarator_t *declarator;
149 declarator_list_t *declarator_list;
150 statement_t *statement;
151 statement_list_t *stmt_list;
152 warning_t *warning;
153 warning_list_t *warning_list;
154 ifref_t *ifref;
155 ifref_list_t *ifref_list;
156 char *str;
157 UUID *uuid;
158 unsigned int num;
159 double dbl;
160 interface_info_t ifinfo;
161 typelib_t *typelib;
162 struct _import_t *import;
163 struct _decl_spec_t *declspec;
164 enum storage_class stgclass;
165 }
166
167 %token <str> aIDENTIFIER aPRAGMA
168 %token <str> aKNOWNTYPE
169 %token <num> aNUM aHEXNUM
170 %token <dbl> aDOUBLE
171 %token <str> aSTRING aWSTRING aSQSTRING
172 %token <uuid> aUUID
173 %token aEOF
174 %token SHL SHR
175 %token MEMBERPTR
176 %token EQUALITY INEQUALITY
177 %token GREATEREQUAL LESSEQUAL
178 %token LOGICALOR LOGICALAND
179 %token ELLIPSIS
180 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
181 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
182 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
183 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
184 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
185 %token tDECODE tDEFAULT tDEFAULTBIND
186 %token tDEFAULTCOLLELEM
187 %token tDEFAULTVALUE
188 %token tDEFAULTVTABLE
189 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
190 %token tDISPINTERFACE
191 %token tDLLNAME tDOUBLE tDUAL
192 %token tENABLEALLOCATE tENCODE tENDPOINT
193 %token tENTRY tENUM tERRORSTATUST
194 %token tEXPLICITHANDLE tEXTERN
195 %token tFALSE
196 %token tFASTCALL tFAULTSTATUS
197 %token tFLOAT tFORCEALLOCATE
198 %token tHANDLE
199 %token tHANDLET
200 %token tHELPCONTEXT tHELPFILE
201 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
202 %token tHIDDEN
203 %token tHYPER tID tIDEMPOTENT
204 %token tIGNORE tIIDIS
205 %token tIMMEDIATEBIND
206 %token tIMPLICITHANDLE
207 %token tIMPORT tIMPORTLIB
208 %token tIN tIN_LINE tINLINE
209 %token tINPUTSYNC
210 %token tINT tINT3264 tINT64
211 %token tINTERFACE
212 %token tLCID
213 %token tLENGTHIS tLIBRARY
214 %token tLICENSED tLOCAL
215 %token tLONG
216 %token tMAYBE tMESSAGE
217 %token tMETHODS
218 %token tMODULE
219 %token tNAMESPACE
220 %token tNOCODE tNONBROWSABLE
221 %token tNONCREATABLE
222 %token tNONEXTENSIBLE
223 %token tNOTIFY tNOTIFYFLAG
224 %token tNULL
225 %token tOBJECT tODL tOLEAUTOMATION
226 %token tOPTIMIZE tOPTIONAL
227 %token tOUT
228 %token tPARTIALIGNORE tPASCAL
229 %token tPOINTERDEFAULT
230 %token tPRAGMA_WARNING
231 %token tPROGID tPROPERTIES
232 %token tPROPGET tPROPPUT tPROPPUTREF
233 %token tPROXY tPTR
234 %token tPUBLIC
235 %token tRANGE
236 %token tREADONLY tREF
237 %token tREGISTER tREPRESENTAS
238 %token tREQUESTEDIT
239 %token tRESTRICTED
240 %token tRETVAL
241 %token tSAFEARRAY
242 %token tSHORT
243 %token tSIGNED
244 %token tSIZEIS tSIZEOF
245 %token tSMALL
246 %token tSOURCE
247 %token tSTATIC
248 %token tSTDCALL
249 %token tSTRICTCONTEXTHANDLE
250 %token tSTRING tSTRUCT
251 %token tSWITCH tSWITCHIS tSWITCHTYPE
252 %token tTHREADING tTRANSMITAS
253 %token tTRUE
254 %token tTYPEDEF
255 %token tUIDEFAULT tUNION
256 %token tUNIQUE
257 %token tUNSIGNED
258 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
259 %token tV1ENUM
260 %token tVARARG
261 %token tVERSION tVIPROGID
262 %token tVOID
263 %token tWCHAR tWIREMARSHAL
264 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
265
266 %type <attr> attribute type_qualifier function_specifier
267 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
268 %type <str_list> str_list
269 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
270 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
271 %type <ifinfo> interfacehdr
272 %type <stgclass> storage_cls_spec
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
281 %type <ifref> coclass_int
282 %type <ifref_list> coclass_ints
283 %type <var> arg ne_union_field union_field s_field case enum 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
302 %left ','
303 %right '?' ':'
304 %left LOGICALOR
305 %left LOGICALAND
306 %left '|'
307 %left '^'
308 %left '&'
309 %left EQUALITY INEQUALITY
310 %left '<' '>' LESSEQUAL GREATEREQUAL
311 %left SHL SHR
312 %left '-' '+'
313 %left '*' '/' '%'
314 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
315 %left '.' MEMBERPTR '[' ']'
316
317 %error-verbose
318
319 %%
320
321 input: gbl_statements { fix_incomplete();
322 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_dlldata($1);
331 write_local_stubs($1);
332 }
333 ;
334
335 gbl_statements: { $$ = NULL; }
336 | gbl_statements namespacedef '{' { push_namespace($2); } gbl_statements '}'
337 { pop_namespace($2); $$ = append_statements($1, $5); }
338 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
339 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
340 | gbl_statements coclass ';' { $$ = $1;
341 reg_type($2, $2->name, current_namespace, 0);
342 }
343 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
344 reg_type($2, $2->name, current_namespace, 0);
345 }
346 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
347 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
348 | gbl_statements statement { $$ = append_statement($1, $2); }
349 ;
350
351 imp_statements: { $$ = NULL; }
352 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
353 | imp_statements namespacedef '{' { push_namespace($2); } imp_statements '}'
354 { pop_namespace($2); $$ = append_statements($1, $5); }
355 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
356 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, current_namespace, 0); }
357 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
358 reg_type($2, $2->name, current_namespace, 0);
359 }
360 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
361 | imp_statements statement { $$ = append_statement($1, $2); }
362 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
363 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
364 ;
365
366 int_statements: { $$ = NULL; }
367 | int_statements statement { $$ = append_statement($1, $2); }
368 ;
369
370 semicolon_opt:
371 | ';'
372 ;
373
374 statement:
375 cppquote { $$ = make_statement_cppquote($1); }
376 | typedecl ';' { $$ = make_statement_type_decl($1); }
377 | declaration ';' { $$ = make_statement_declaration($1); }
378 | import { $$ = make_statement_import($1); }
379 | typedef ';' { $$ = $1; }
380 | aPRAGMA { $$ = make_statement_pragma($1); }
381 | pragma_warning { $$ = NULL; }
382 ;
383
384 pragma_warning: tPRAGMA_WARNING '(' aIDENTIFIER ':' warnings ')'
385 {
386 int result;
387 $$ = NULL;
388 result = do_warning($3, $5);
389 if(!result)
390 error_loc("expected \"disable\" or \"enable\"\n");
391 }
392 ;
393
394 warnings:
395 aNUM { $$ = append_warning(NULL, $1); }
396 | warnings aNUM { $$ = append_warning($1, $2); }
397 ;
398
399 typedecl:
400 enumdef
401 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
402 | structdef
403 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
404 | uniondef
405 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
406 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
407 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
408 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
409 ;
410
411 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
412 ;
413 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
414 $$ = xmalloc(sizeof(struct _import_t));
415 $$->name = $2;
416 $$->import_performed = do_import($2);
417 if (!$$->import_performed) yychar = aEOF;
418 }
419 ;
420
421 import: import_start imp_statements aEOF { $$ = $1->name;
422 if ($1->import_performed) pop_import();
423 free($1);
424 }
425 ;
426
427 importlib: tIMPORTLIB '(' aSTRING ')'
428 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
429 ;
430
431 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
432 ;
433 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
434 if (!parse_only) start_typelib($$);
435 }
436 ;
437 librarydef: library_start imp_statements '}'
438 semicolon_opt { $$ = $1;
439 $$->stmts = $2;
440 if (!parse_only) end_typelib();
441 }
442 ;
443
444 m_args: { $$ = NULL; }
445 | args
446 ;
447
448 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
449 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
450 ;
451
452 args: arg_list
453 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
454 ;
455
456 /* split into two rules to get bison to resolve a tVOID conflict */
457 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
458 error_loc("invalid storage class for function parameter\n");
459 $$ = declare_var($1, $2, $3, TRUE);
460 free($2); free($3);
461 }
462 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
463 error_loc("invalid storage class for function parameter\n");
464 $$ = declare_var(NULL, $1, $2, TRUE);
465 free($1); free($2);
466 }
467 ;
468
469 array: '[' expr ']' { $$ = $2;
470 if (!$$->is_const)
471 error_loc("array dimension is not an integer constant\n");
472 }
473 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
474 | '[' ']' { $$ = make_expr(EXPR_VOID); }
475 ;
476
477 m_attributes: { $$ = NULL; }
478 | attributes
479 ;
480
481 attributes:
482 '[' attrib_list ']' { $$ = $2; }
483 ;
484
485 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
486 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
487 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
488 ;
489
490 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
491 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
492 ;
493
494 attribute: { $$ = NULL; }
495 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
496 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
497 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
498 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
499 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
500 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
501 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
502 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
503 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
504 | tCODE { $$ = make_attr(ATTR_CODE); }
505 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
506 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
507 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
508 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
509 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
510 | tDECODE { $$ = make_attr(ATTR_DECODE); }
511 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
512 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
513 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
514 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
515 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
516 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
517 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
518 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
519 | tDUAL { $$ = make_attr(ATTR_DUAL); }
520 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
521 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
522 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
523 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
524 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
525 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
526 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
527 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
528 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
529 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
530 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
531 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
532 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
533 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
534 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
535 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
536 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
537 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
538 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
539 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
540 | tIN { $$ = make_attr(ATTR_IN); }
541 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
542 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
543 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
544 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
545 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
546 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
547 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
548 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
549 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
550 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
551 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
552 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
553 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
554 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
555 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
556 | tODL { $$ = make_attr(ATTR_ODL); }
557 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
558 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
559 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
560 | tOUT { $$ = make_attr(ATTR_OUT); }
561 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
562 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
563 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
564 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
565 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
566 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
567 | tPROXY { $$ = make_attr(ATTR_PROXY); }
568 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
569 | tRANGE '(' expr_int_const ',' expr_int_const ')'
570 { expr_list_t *list = append_expr( NULL, $3 );
571 list = append_expr( list, $5 );
572 $$ = make_attrp(ATTR_RANGE, list); }
573 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
574 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
575 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
576 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
577 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
578 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
579 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
580 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
581 | tSTRING { $$ = make_attr(ATTR_STRING); }
582 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
583 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
584 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
585 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
586 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
587 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
588 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
589 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
590 | tASYNCUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_ASYNCUUID, $3); }
591 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
592 | tVARARG { $$ = make_attr(ATTR_VARARG); }
593 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
594 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
595 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
596 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
597 ;
598
599 uuid_string:
600 aUUID
601 | aSTRING { if (!is_valid_uuid($1))
602 error_loc("invalid UUID: %s\n", $1);
603 $$ = parse_uuid($1); }
604 ;
605
606 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
607 | tFASTCALL { $$ = xstrdup("__fastcall"); }
608 | tPASCAL { $$ = xstrdup("__pascal"); }
609 | tSTDCALL { $$ = xstrdup("__stdcall"); }
610 ;
611
612 cases: { $$ = NULL; }
613 | cases case { $$ = append_var( $1, $2 ); }
614 ;
615
616 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
617 $$ = $4; if (!$$) $$ = make_var(NULL);
618 $$->attrs = append_attr( $$->attrs, a );
619 }
620 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
621 $$ = $3; if (!$$) $$ = make_var(NULL);
622 $$->attrs = append_attr( $$->attrs, a );
623 }
624 ;
625
626 enums: { $$ = NULL; }
627 | enum_list ',' { $$ = $1; }
628 | enum_list
629 ;
630
631 enum_list: enum { if (!$1->eval)
632 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
633 $$ = append_var( NULL, $1 );
634 }
635 | enum_list ',' enum { if (!$3->eval)
636 {
637 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
638 enum expr_type type = EXPR_NUM;
639 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
640 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
641 $3->eval = make_exprl(type, last->eval->cval + 1);
642 }
643 $$ = append_var( $1, $3 );
644 }
645 ;
646
647 enum: ident '=' expr_int_const { $$ = reg_const($1);
648 $$->eval = $3;
649 $$->type = type_new_int(TYPE_BASIC_INT, 0);
650 }
651 | ident { $$ = reg_const($1);
652 $$->type = type_new_int(TYPE_BASIC_INT, 0);
653 }
654 ;
655
656 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, current_namespace, TRUE, $4); }
657 ;
658
659 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
660 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
661 ;
662
663 m_expr: { $$ = make_expr(EXPR_VOID); }
664 | expr
665 ;
666
667 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
668 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
669 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
670 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
671 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
672 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
673 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
674 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
675 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
676 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
677 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
678 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
679 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
680 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
681 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
682 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
683 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
684 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
685 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
686 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
687 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
688 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
689 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
690 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
691 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
692 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
693 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
694 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
695 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
696 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
697 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
698 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
699 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
700 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
701 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
702 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
703 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
704 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
705 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
706 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
707 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
708 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
709 | '(' expr ')' { $$ = $2; }
710 ;
711
712 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
713 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
714 ;
715
716 expr_int_const: expr { $$ = $1;
717 if (!$$->is_const)
718 error_loc("expression is not an integer constant\n");
719 }
720 ;
721
722 expr_const: expr { $$ = $1;
723 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
724 error_loc("expression is not constant\n");
725 }
726 ;
727
728 fields: { $$ = NULL; }
729 | fields field { $$ = append_var_list($1, $2); }
730 ;
731
732 field: m_attributes decl_spec struct_declarator_list ';'
733 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
734 check_field_attrs(first, $1);
735 $$ = set_var_types($1, $2, $3);
736 }
737 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
738 v->type = $2; v->attrs = $1;
739 $$ = append_var(NULL, v);
740 }
741 ;
742
743 ne_union_field:
744 s_field ';' { $$ = $1; }
745 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
746 ;
747
748 ne_union_fields: { $$ = NULL; }
749 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
750 ;
751
752 union_field:
753 s_field ';' { $$ = $1; }
754 | ';' { $$ = NULL; }
755 ;
756
757 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
758 $2, $3, FALSE);
759 free($3);
760 }
761 | m_attributes structdef { var_t *v = make_var(NULL);
762 v->type = $2; v->attrs = $1;
763 $$ = v;
764 }
765 ;
766
767 funcdef: declaration { $$ = $1;
768 if (type_get_type($$->type) != TYPE_FUNCTION)
769 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
770 check_function_attrs($$->name, $$->attrs);
771 }
772 ;
773
774 declaration:
775 attributes decl_spec init_declarator
776 { $$ = declare_var($1, $2, $3, FALSE);
777 free($3);
778 }
779 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
780 free($2);
781 }
782 ;
783
784 m_ident: { $$ = NULL; }
785 | ident
786 ;
787
788 t_ident: { $$ = NULL; }
789 | aIDENTIFIER { $$ = $1; }
790 | aKNOWNTYPE { $$ = $1; }
791 ;
792
793 ident: aIDENTIFIER { $$ = make_var($1); }
794 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
795 | aKNOWNTYPE { $$ = make_var($<str>1); }
796 ;
797
798 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
799 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
800 | int_std
801 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
802 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
803 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
804 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
805 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
806 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
807 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
808 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
809 ;
810
811 m_int:
812 | tINT
813 ;
814
815 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
816 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
817 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
818 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
819 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
820 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
821 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
822 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
823 ;
824
825 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
826 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, NULL, 0);
827 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
828 error_loc("%s was not declared a coclass at %s:%d\n",
829 $2, $$->loc_info.input_name,
830 $$->loc_info.line_number);
831 }
832 ;
833
834 coclasshdr: attributes coclass { $$ = $2;
835 check_def($$);
836 $$->attrs = check_coclass_attrs($2->name, $1);
837 }
838 ;
839
840 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
841 { $$ = type_coclass_define($1, $3); }
842 ;
843
844 namespacedef: tNAMESPACE aIDENTIFIER { $$ = $2; }
845 ;
846
847 coclass_ints: { $$ = NULL; }
848 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
849 ;
850
851 coclass_int:
852 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
853 ;
854
855 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
856 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
857 ;
858
859 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
860 $$ = $2;
861 check_def($$);
862 attrs = make_attr(ATTR_DISPINTERFACE);
863 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
864 $$->defined = TRUE;
865 }
866 ;
867
868 dispint_props: tPROPERTIES ':' { $$ = NULL; }
869 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
870 ;
871
872 dispint_meths: tMETHODS ':' { $$ = NULL; }
873 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
874 ;
875
876 dispinterfacedef: dispinterfacehdr '{'
877 dispint_props
878 dispint_meths
879 '}' { $$ = $1;
880 type_dispinterface_define($$, $3, $4);
881 }
882 | dispinterfacehdr
883 '{' interface ';' '}' { $$ = $1;
884 type_dispinterface_define_from_iface($$, $3);
885 }
886 ;
887
888 inherit: { $$ = NULL; }
889 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
890 ;
891
892 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
893 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, current_namespace, 0); }
894 ;
895
896 interfacehdr: attributes interface { $$.interface = $2;
897 $$.old_pointer_default = pointer_default;
898 if (is_attr($1, ATTR_POINTERDEFAULT))
899 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
900 check_def($2);
901 $2->attrs = check_iface_attrs($2->name, $1);
902 $2->defined = TRUE;
903 }
904 ;
905
906 interfacedef: interfacehdr inherit
907 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
908 if($$ == $2)
909 error_loc("Interface can't inherit from itself\n");
910 type_interface_define($$, $2, $4);
911 pointer_default = $1.old_pointer_default;
912 }
913 /* MIDL is able to import the definition of a base class from inside the
914 * definition of a derived class, I'll try to support it with this rule */
915 | interfacehdr ':' aIDENTIFIER
916 '{' import int_statements '}'
917 semicolon_opt { $$ = $1.interface;
918 type_interface_define($$, find_type_or_error2($3, 0), $6);
919 pointer_default = $1.old_pointer_default;
920 }
921 | dispinterfacedef semicolon_opt { $$ = $1; }
922 ;
923
924 interfacedec:
925 interface ';' { $$ = $1; }
926 | dispinterface ';' { $$ = $1; }
927 ;
928
929 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
930 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
931 ;
932
933 modulehdr: attributes module { $$ = $2;
934 $$->attrs = check_module_attrs($2->name, $1);
935 }
936 ;
937
938 moduledef: modulehdr '{' int_statements '}'
939 semicolon_opt { $$ = $1;
940 type_module_define($$, $3);
941 }
942 ;
943
944 storage_cls_spec:
945 tEXTERN { $$ = STG_EXTERN; }
946 | tSTATIC { $$ = STG_STATIC; }
947 | tREGISTER { $$ = STG_REGISTER; }
948 ;
949
950 function_specifier:
951 tINLINE { $$ = make_attr(ATTR_INLINE); }
952 ;
953
954 type_qualifier:
955 tCONST { $$ = make_attr(ATTR_CONST); }
956 ;
957
958 m_type_qual_list: { $$ = NULL; }
959 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
960 ;
961
962 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
963 | decl_spec_no_type type m_decl_spec_no_type
964 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
965 ;
966
967 m_decl_spec_no_type: { $$ = NULL; }
968 | decl_spec_no_type
969 ;
970
971 decl_spec_no_type:
972 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
973 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
974 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
975 ;
976
977 declarator:
978 '*' m_type_qual_list declarator %prec PPTR
979 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
980 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
981 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
982 | direct_declarator
983 ;
984
985 direct_declarator:
986 ident { $$ = make_declarator($1); }
987 | '(' declarator ')' { $$ = $2; }
988 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
989 | direct_declarator '(' m_args ')' { $$ = $1;
990 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
991 $$->type = NULL;
992 }
993 ;
994
995 /* abstract declarator */
996 abstract_declarator:
997 '*' m_type_qual_list m_abstract_declarator %prec PPTR
998 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
999 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
1000 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1001 | abstract_direct_declarator
1002 ;
1003
1004 /* abstract declarator without accepting direct declarator */
1005 abstract_declarator_no_direct:
1006 '*' m_type_qual_list m_any_declarator %prec PPTR
1007 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1008 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
1009 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1010 ;
1011
1012 /* abstract declarator or empty */
1013 m_abstract_declarator: { $$ = make_declarator(NULL); }
1014 | abstract_declarator
1015 ;
1016
1017 /* abstract direct declarator */
1018 abstract_direct_declarator:
1019 '(' abstract_declarator_no_direct ')' { $$ = $2; }
1020 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1021 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1022 | '(' m_args ')'
1023 { $$ = make_declarator(NULL);
1024 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1025 $$->type = NULL;
1026 }
1027 | abstract_direct_declarator '(' m_args ')'
1028 { $$ = $1;
1029 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1030 $$->type = NULL;
1031 }
1032 ;
1033
1034 /* abstract or non-abstract declarator */
1035 any_declarator:
1036 '*' m_type_qual_list m_any_declarator %prec PPTR
1037 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1038 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1039 | any_direct_declarator
1040 ;
1041
1042 /* abstract or non-abstract declarator without accepting direct declarator */
1043 any_declarator_no_direct:
1044 '*' m_type_qual_list m_any_declarator %prec PPTR
1045 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1046 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1047 ;
1048
1049 /* abstract or non-abstract declarator or empty */
1050 m_any_declarator: { $$ = make_declarator(NULL); }
1051 | any_declarator
1052 ;
1053
1054 /* abstract or non-abstract direct declarator. note: direct declarators
1055 * aren't accepted inside brackets to avoid ambiguity with the rule for
1056 * function arguments */
1057 any_direct_declarator:
1058 ident { $$ = make_declarator($1); }
1059 | '(' any_declarator_no_direct ')' { $$ = $2; }
1060 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1061 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1062 | '(' m_args ')'
1063 { $$ = make_declarator(NULL);
1064 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1065 $$->type = NULL;
1066 }
1067 | any_direct_declarator '(' m_args ')'
1068 { $$ = $1;
1069 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1070 $$->type = NULL;
1071 }
1072 ;
1073
1074 declarator_list:
1075 declarator { $$ = append_declarator( NULL, $1 ); }
1076 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1077 ;
1078
1079 m_bitfield: { $$ = NULL; }
1080 | ':' expr_const { $$ = $2; }
1081 ;
1082
1083 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1084 if (!$$->bits && !$$->var->name)
1085 error_loc("unnamed fields are not allowed\n");
1086 }
1087 ;
1088
1089 struct_declarator_list:
1090 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1091 | struct_declarator_list ',' struct_declarator
1092 { $$ = append_declarator( $1, $3 ); }
1093 ;
1094
1095 init_declarator:
1096 declarator { $$ = $1; }
1097 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1098 ;
1099
1100 threading_type:
1101 tAPARTMENT { $$ = THREADING_APARTMENT; }
1102 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1103 | tSINGLE { $$ = THREADING_SINGLE; }
1104 | tFREE { $$ = THREADING_FREE; }
1105 | tBOTH { $$ = THREADING_BOTH; }
1106 ;
1107
1108 pointer_type:
1109 tREF { $$ = RPC_FC_RP; }
1110 | tUNIQUE { $$ = RPC_FC_UP; }
1111 | tPTR { $$ = RPC_FC_FP; }
1112 ;
1113
1114 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, current_namespace, TRUE, $4); }
1115 ;
1116
1117 type: tVOID { $$ = type_new_void(); }
1118 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1119 | base_type { $$ = $1; }
1120 | enumdef { $$ = $1; }
1121 | tENUM aIDENTIFIER { $$ = type_new_enum($2, current_namespace, FALSE, NULL); }
1122 | structdef { $$ = $1; }
1123 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, current_namespace, FALSE, NULL); }
1124 | uniondef { $$ = $1; }
1125 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1126 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1127 ;
1128
1129 typedef: m_attributes tTYPEDEF m_attributes decl_spec declarator_list
1130 { $1 = append_attribs($1, $3);
1131 reg_typedefs($4, $5, check_typedef_attrs($1));
1132 $$ = make_statement_typedef($5);
1133 }
1134 ;
1135
1136 uniondef: tUNION t_ident '{' ne_union_fields '}'
1137 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1138 | tUNION t_ident
1139 tSWITCH '(' s_field ')'
1140 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1141 ;
1142
1143 version:
1144 aNUM { $$ = MAKEVERSION($1, 0); }
1145 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1146 | aHEXNUM { $$ = $1; }
1147 ;
1148
1149 %%
1150
1151 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1152 {
1153 type_t *t = type_new_basic(type);
1154 reg_type(t, name, NULL, 0);
1155 }
1156
1157 static void decl_builtin_alias(const char *name, type_t *t)
1158 {
1159 reg_type(type_new_alias(t, name), name, NULL, 0);
1160 }
1161
1162 void init_types(void)
1163 {
1164 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1165 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1166 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1167 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1168 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1169 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1170 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1171 }
1172
1173 static str_list_t *append_str(str_list_t *list, char *str)
1174 {
1175 struct str_list_entry_t *entry;
1176
1177 if (!str) return list;
1178 if (!list)
1179 {
1180 list = xmalloc( sizeof(*list) );
1181 list_init( list );
1182 }
1183 entry = xmalloc( sizeof(*entry) );
1184 entry->str = str;
1185 list_add_tail( list, &entry->entry );
1186 return list;
1187 }
1188
1189 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1190 {
1191 attr_t *attr_existing;
1192 if (!attr) return list;
1193 if (!list)
1194 {
1195 list = xmalloc( sizeof(*list) );
1196 list_init( list );
1197 }
1198 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1199 if (attr_existing->type == attr->type)
1200 {
1201 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1202 /* use the last attribute, like MIDL does */
1203 list_remove(&attr_existing->entry);
1204 break;
1205 }
1206 list_add_tail( list, &attr->entry );
1207 return list;
1208 }
1209
1210 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1211 {
1212 attr_t *attr;
1213 if (!src) return dst;
1214 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1215 if (attr->type == type)
1216 {
1217 list_remove(&attr->entry);
1218 return append_attr(dst, attr);
1219 }
1220 return dst;
1221 }
1222
1223 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1224 {
1225 struct list *entry;
1226
1227 if (!old_list) return new_list;
1228
1229 while ((entry = list_head(old_list)))
1230 {
1231 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1232 list_remove(entry);
1233 new_list = append_attr(new_list, attr);
1234 }
1235 return new_list;
1236 }
1237
1238 static attr_list_t *dupattrs(const attr_list_t *list)
1239 {
1240 attr_list_t *new_list;
1241 const attr_t *attr;
1242
1243 if (!list) return NULL;
1244
1245 new_list = xmalloc( sizeof(*list) );
1246 list_init( new_list );
1247 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1248 {
1249 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1250 *new_attr = *attr;
1251 list_add_tail(new_list, &new_attr->entry);
1252 }
1253 return new_list;
1254 }
1255
1256 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass)
1257 {
1258 decl_spec_t *declspec = left ? left : right;
1259 if (!declspec)
1260 {
1261 declspec = xmalloc(sizeof(*declspec));
1262 declspec->type = NULL;
1263 declspec->attrs = NULL;
1264 declspec->stgclass = STG_NONE;
1265 }
1266 declspec->type = type;
1267 if (left && declspec != left)
1268 {
1269 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1270 if (declspec->stgclass == STG_NONE)
1271 declspec->stgclass = left->stgclass;
1272 else if (left->stgclass != STG_NONE)
1273 error_loc("only one storage class can be specified\n");
1274 assert(!left->type);
1275 free(left);
1276 }
1277 if (right && declspec != right)
1278 {
1279 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1280 if (declspec->stgclass == STG_NONE)
1281 declspec->stgclass = right->stgclass;
1282 else if (right->stgclass != STG_NONE)
1283 error_loc("only one storage class can be specified\n");
1284 assert(!right->type);
1285 free(right);
1286 }
1287
1288 declspec->attrs = append_attr(declspec->attrs, attr);
1289 if (declspec->stgclass == STG_NONE)
1290 declspec->stgclass = stgclass;
1291 else if (stgclass != STG_NONE)
1292 error_loc("only one storage class can be specified\n");
1293
1294 /* apply attributes to type */
1295 if (type && declspec->attrs)
1296 {
1297 attr_list_t *attrs;
1298 declspec->type = duptype(type, 1);
1299 attrs = dupattrs(type->attrs);
1300 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1301 declspec->attrs = NULL;
1302 }
1303
1304 return declspec;
1305 }
1306
1307 static attr_t *make_attr(enum attr_type type)
1308 {
1309 attr_t *a = xmalloc(sizeof(attr_t));
1310 a->type = type;
1311 a->u.ival = 0;
1312 return a;
1313 }
1314
1315 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1316 {
1317 attr_t *a = xmalloc(sizeof(attr_t));
1318 a->type = type;
1319 a->u.ival = val;
1320 return a;
1321 }
1322
1323 static attr_t *make_attrp(enum attr_type type, void *val)
1324 {
1325 attr_t *a = xmalloc(sizeof(attr_t));
1326 a->type = type;
1327 a->u.pval = val;
1328 return a;
1329 }
1330
1331 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1332 {
1333 if (!expr) return list;
1334 if (!list)
1335 {
1336 list = xmalloc( sizeof(*list) );
1337 list_init( list );
1338 }
1339 list_add_tail( list, &expr->entry );
1340 return list;
1341 }
1342
1343 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1344 {
1345 if (!expr) return list;
1346 if (!list)
1347 {
1348 list = xmalloc( sizeof(*list) );
1349 list_init( list );
1350 }
1351 list_add_tail( list, &expr->entry );
1352 return list;
1353 }
1354
1355 static struct list type_pool = LIST_INIT(type_pool);
1356 typedef struct
1357 {
1358 type_t data;
1359 struct list link;
1360 } type_pool_node_t;
1361
1362 type_t *alloc_type(void)
1363 {
1364 type_pool_node_t *node = xmalloc(sizeof *node);
1365 list_add_tail(&type_pool, &node->link);
1366 return &node->data;
1367 }
1368
1369 void set_all_tfswrite(int val)
1370 {
1371 type_pool_node_t *node;
1372 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1373 node->data.tfswrite = val;
1374 }
1375
1376 void clear_all_offsets(void)
1377 {
1378 type_pool_node_t *node;
1379 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1380 node->data.typestring_offset = node->data.ptrdesc = 0;
1381 }
1382
1383 static void type_function_add_head_arg(type_t *type, var_t *arg)
1384 {
1385 if (!type->details.function->args)
1386 {
1387 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1388 list_init( type->details.function->args );
1389 }
1390 list_add_head( type->details.function->args, &arg->entry );
1391 }
1392
1393 static int is_allowed_range_type(const type_t *type)
1394 {
1395 switch (type_get_type(type))
1396 {
1397 case TYPE_ENUM:
1398 return TRUE;
1399 case TYPE_BASIC:
1400 switch (type_basic_get_type(type))
1401 {
1402 case TYPE_BASIC_INT8:
1403 case TYPE_BASIC_INT16:
1404 case TYPE_BASIC_INT32:
1405 case TYPE_BASIC_INT64:
1406 case TYPE_BASIC_INT:
1407 case TYPE_BASIC_INT3264:
1408 case TYPE_BASIC_BYTE:
1409 case TYPE_BASIC_CHAR:
1410 case TYPE_BASIC_WCHAR:
1411 case TYPE_BASIC_HYPER:
1412 return TRUE;
1413 case TYPE_BASIC_FLOAT:
1414 case TYPE_BASIC_DOUBLE:
1415 case TYPE_BASIC_ERROR_STATUS_T:
1416 case TYPE_BASIC_HANDLE:
1417 return FALSE;
1418 }
1419 return FALSE;
1420 default:
1421 return FALSE;
1422 }
1423 }
1424
1425 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1426 {
1427 type_t *ptrchain_type;
1428 if (!ptrchain)
1429 return type;
1430 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1431 ;
1432 assert(ptrchain_type->type_type == TYPE_POINTER);
1433 ptrchain_type->details.pointer.ref = type;
1434 return ptrchain;
1435 }
1436
1437 static warning_list_t *append_warning(warning_list_t *list, int num)
1438 {
1439 warning_t *entry;
1440
1441 if(!list)
1442 {
1443 list = xmalloc( sizeof(*list) );
1444 list_init( list );
1445 }
1446 entry = xmalloc( sizeof(*entry) );
1447 entry->num = num;
1448 list_add_tail( list, &entry->entry );
1449 return list;
1450 }
1451
1452 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1453 int top)
1454 {
1455 var_t *v = decl->var;
1456 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1457 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1458 int sizeless;
1459 expr_t *dim;
1460 type_t **ptype;
1461 array_dims_t *arr = decl ? decl->array : NULL;
1462 type_t *func_type = decl ? decl->func_type : NULL;
1463 type_t *type = decl_spec->type;
1464
1465 if (is_attr(type->attrs, ATTR_INLINE))
1466 {
1467 if (!func_type)
1468 error_loc("inline attribute applied to non-function type\n");
1469 else
1470 {
1471 type_t *t;
1472 /* move inline attribute from return type node to function node */
1473 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1474 ;
1475 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1476 }
1477 }
1478
1479 /* add type onto the end of the pointers in pident->type */
1480 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1481 v->stgclass = decl_spec->stgclass;
1482 v->attrs = attrs;
1483
1484 /* check for pointer attribute being applied to non-pointer, non-array
1485 * type */
1486 if (!arr)
1487 {
1488 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1489 const type_t *ptr = NULL;
1490 /* pointer attributes on the left side of the type belong to the function
1491 * pointer, if one is being declared */
1492 type_t **pt = func_type ? &func_type : &v->type;
1493 for (ptr = *pt; ptr && !ptr_attr; )
1494 {
1495 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1496 if (!ptr_attr && type_is_alias(ptr))
1497 ptr = type_alias_get_aliasee(ptr);
1498 else
1499 break;
1500 }
1501 if (is_ptr(ptr))
1502 {
1503 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1504 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1505 warning_loc_info(&v->loc_info,
1506 "%s: pointer attribute applied to interface "
1507 "pointer type has no effect\n", v->name);
1508 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1509 {
1510 /* FIXME: this is a horrible hack to cope with the issue that we
1511 * store an offset to the typeformat string in the type object, but
1512 * two typeformat strings may be written depending on whether the
1513 * pointer is a toplevel parameter or not */
1514 *pt = duptype(*pt, 1);
1515 }
1516 }
1517 else if (ptr_attr)
1518 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1519 }
1520
1521 if (is_attr(v->attrs, ATTR_STRING))
1522 {
1523 type_t *t = type;
1524
1525 if (!is_ptr(v->type) && !arr)
1526 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1527 v->name);
1528
1529 while (is_ptr(t))
1530 t = type_pointer_get_ref(t);
1531
1532 if (type_get_type(t) != TYPE_BASIC &&
1533 (get_basic_fc(t) != RPC_FC_CHAR &&
1534 get_basic_fc(t) != RPC_FC_BYTE &&
1535 get_basic_fc(t) != RPC_FC_WCHAR))
1536 {
1537 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1538 v->name);
1539 }
1540 }
1541
1542 if (is_attr(v->attrs, ATTR_V1ENUM))
1543 {
1544 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1545 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1546 }
1547
1548 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1549 error_loc("'%s': [range] attribute applied to non-integer type\n",
1550 v->name);
1551
1552 ptype = &v->type;
1553 sizeless = FALSE;
1554 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1555 {
1556 if (sizeless)
1557 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1558
1559 if (dim->is_const)
1560 {
1561 if (dim->cval <= 0)
1562 error_loc("%s: array dimension must be positive\n", v->name);
1563
1564 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1565 if (0)
1566 {
1567 unsigned int size = type_memsize(v->type);
1568
1569 if (0xffffffffu / size < dim->cval)
1570 error_loc("%s: total array size is too large\n", v->name);
1571 }
1572 }
1573 else
1574 sizeless = TRUE;
1575
1576 *ptype = type_new_array(NULL, *ptype, FALSE,
1577 dim->is_const ? dim->cval : 0,
1578 dim->is_const ? NULL : dim, NULL,
1579 pointer_default);
1580 }
1581
1582 ptype = &v->type;
1583 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1584 {
1585 if (dim->type != EXPR_VOID)
1586 {
1587 if (is_array(*ptype))
1588 {
1589 if (!type_array_get_conformance(*ptype) ||
1590 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1591 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1592 else
1593 *ptype = type_new_array((*ptype)->name,
1594 type_array_get_element(*ptype), FALSE,
1595 0, dim, NULL, 0);
1596 }
1597 else if (is_ptr(*ptype))
1598 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1599 0, dim, NULL, pointer_default);
1600 else
1601 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1602 }
1603
1604 if (is_ptr(*ptype))
1605 ptype = &(*ptype)->details.pointer.ref;
1606 else if (is_array(*ptype))
1607 ptype = &(*ptype)->details.array.elem;
1608 else
1609 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1610 }
1611
1612 ptype = &v->type;
1613 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1614 {
1615 if (dim->type != EXPR_VOID)
1616 {
1617 if (is_array(*ptype))
1618 {
1619 *ptype = type_new_array((*ptype)->name,
1620 type_array_get_element(*ptype),
1621 type_array_is_decl_as_ptr(*ptype),
1622 type_array_get_dim(*ptype),
1623 type_array_get_conformance(*ptype),
1624 dim, type_array_get_ptr_default_fc(*ptype));
1625 }
1626 else
1627 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1628 }
1629
1630 if (is_ptr(*ptype))
1631 ptype = &(*ptype)->details.pointer.ref;
1632 else if (is_array(*ptype))
1633 ptype = &(*ptype)->details.array.elem;
1634 else
1635 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1636 }
1637
1638 /* v->type is currently pointing to the type on the left-side of the
1639 * declaration, so we need to fix this up so that it is the return type of the
1640 * function and make v->type point to the function side of the declaration */
1641 if (func_type)
1642 {
1643 type_t *ft, *t;
1644 type_t *return_type = v->type;
1645 v->type = func_type;
1646 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1647 ;
1648 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1649 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1650 ft->details.function->retval->type = return_type;
1651 /* move calling convention attribute, if present, from pointer nodes to
1652 * function node */
1653 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1654 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1655 }
1656 else
1657 {
1658 type_t *t;
1659 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1660 if (is_attr(t->attrs, ATTR_CALLCONV))
1661 error_loc("calling convention applied to non-function-pointer type\n");
1662 }
1663
1664 if (decl->bits)
1665 v->type = type_new_bitfield(v->type, decl->bits);
1666
1667 return v;
1668 }
1669
1670 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1671 {
1672 declarator_t *decl, *next;
1673 var_list_t *var_list = NULL;
1674
1675 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1676 {
1677 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1678 var_list = append_var(var_list, var);
1679 free(decl);
1680 }
1681 free(decl_spec);
1682 return var_list;
1683 }
1684
1685 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1686 {
1687 if (!iface) return list;
1688 if (!list)
1689 {
1690 list = xmalloc( sizeof(*list) );
1691 list_init( list );
1692 }
1693 list_add_tail( list, &iface->entry );
1694 return list;
1695 }
1696
1697 static ifref_t *make_ifref(type_t *iface)
1698 {
1699 ifref_t *l = xmalloc(sizeof(ifref_t));
1700 l->iface = iface;
1701 l->attrs = NULL;
1702 return l;
1703 }
1704
1705 var_list_t *append_var(var_list_t *list, var_t *var)
1706 {
1707 if (!var) return list;
1708 if (!list)
1709 {
1710 list = xmalloc( sizeof(*list) );
1711 list_init( list );
1712 }
1713 list_add_tail( list, &var->entry );
1714 return list;
1715 }
1716
1717 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1718 {
1719 if (!vars) return list;
1720 if (!list)
1721 {
1722 list = xmalloc( sizeof(*list) );
1723 list_init( list );
1724 }
1725 list_move_tail( list, vars );
1726 return list;
1727 }
1728
1729 var_t *make_var(char *name)
1730 {
1731 var_t *v = xmalloc(sizeof(var_t));
1732 v->name = name;
1733 v->type = NULL;
1734 v->attrs = NULL;
1735 v->eval = NULL;
1736 v->stgclass = STG_NONE;
1737 init_loc_info(&v->loc_info);
1738 return v;
1739 }
1740
1741 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1742 {
1743 if (!d) return list;
1744 if (!list) {
1745 list = xmalloc(sizeof(*list));
1746 list_init(list);
1747 }
1748 list_add_tail(list, &d->entry);
1749 return list;
1750 }
1751
1752 static declarator_t *make_declarator(var_t *var)
1753 {
1754 declarator_t *d = xmalloc(sizeof(*d));
1755 d->var = var ? var : make_var(NULL);
1756 d->type = NULL;
1757 d->func_type = NULL;
1758 d->array = NULL;
1759 d->bits = NULL;
1760 return d;
1761 }
1762
1763 static type_t *make_safearray(type_t *type)
1764 {
1765 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1766 NULL, NULL, RPC_FC_RP);
1767 }
1768
1769 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1770 {
1771 typelib_t *typelib = xmalloc(sizeof(*typelib));
1772 typelib->name = xstrdup(name);
1773 typelib->attrs = attrs;
1774 list_init( &typelib->importlibs );
1775 return typelib;
1776 }
1777
1778 static int hash_ident(const char *name)
1779 {
1780 const char *p = name;
1781 int sum = 0;
1782 /* a simple sum hash is probably good enough */
1783 while (*p) {
1784 sum += *p;
1785 p++;
1786 }
1787 return sum & (HASHMAX-1);
1788 }
1789
1790 /***** type repository *****/
1791
1792 static struct namespace *find_sub_namespace(struct namespace *namespace, const char *name)
1793 {
1794 struct namespace *cur;
1795
1796 LIST_FOR_EACH_ENTRY(cur, &namespace->children, struct namespace, entry) {
1797 if(!strcmp(cur->name, name))
1798 return cur;
1799 }
1800
1801 return NULL;
1802 }
1803
1804 static void push_namespace(const char *name)
1805 {
1806 struct namespace *namespace;
1807
1808 namespace = find_sub_namespace(current_namespace, name);
1809 if(!namespace) {
1810 namespace = xmalloc(sizeof(*namespace));
1811 namespace->name = xstrdup(name);
1812 namespace->parent = current_namespace;
1813 list_add_tail(&current_namespace->children, &namespace->entry);
1814 list_init(&namespace->children);
1815 memset(namespace->type_hash, 0, sizeof(namespace->type_hash));
1816 }
1817
1818 current_namespace = namespace;
1819 }
1820
1821 static void pop_namespace(const char *name)
1822 {
1823 assert(!strcmp(current_namespace->name, name) && current_namespace->parent);
1824 current_namespace = current_namespace->parent;
1825 }
1826
1827 struct rtype {
1828 const char *name;
1829 type_t *type;
1830 int t;
1831 struct rtype *next;
1832 };
1833
1834 type_t *reg_type(type_t *type, const char *name, struct namespace *namespace, int t)
1835 {
1836 struct rtype *nt;
1837 int hash;
1838 if (!name) {
1839 error_loc("registering named type without name\n");
1840 return type;
1841 }
1842 if (!namespace)
1843 namespace = &global_namespace;
1844 hash = hash_ident(name);
1845 nt = xmalloc(sizeof(struct rtype));
1846 nt->name = name;
1847 if (is_global_namespace(namespace))
1848 type->c_name = name;
1849 else
1850 type->c_name = format_namespace(namespace, "__x_", "_C", name);
1851 nt->type = type;
1852 nt->t = t;
1853 nt->next = namespace->type_hash[hash];
1854 namespace->type_hash[hash] = nt;
1855 if ((t == tsSTRUCT || t == tsUNION))
1856 fix_incomplete_types(type);
1857 return type;
1858 }
1859
1860 static int is_incomplete(const type_t *t)
1861 {
1862 return !t->defined &&
1863 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1864 type_get_type_detect_alias(t) == TYPE_UNION ||
1865 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1866 }
1867
1868 void add_incomplete(type_t *t)
1869 {
1870 struct typenode *tn = xmalloc(sizeof *tn);
1871 tn->type = t;
1872 list_add_tail(&incomplete_types, &tn->entry);
1873 }
1874
1875 static void fix_type(type_t *t)
1876 {
1877 if (type_is_alias(t) && is_incomplete(t)) {
1878 type_t *ot = type_alias_get_aliasee(t);
1879 fix_type(ot);
1880 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1881 type_get_type_detect_alias(ot) == TYPE_UNION ||
1882 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1883 t->details.structure = ot->details.structure;
1884 t->defined = ot->defined;
1885 }
1886 }
1887
1888 static void fix_incomplete(void)
1889 {
1890 struct typenode *tn, *next;
1891
1892 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1893 fix_type(tn->type);
1894 list_remove(&tn->entry);
1895 free(tn);
1896 }
1897 }
1898
1899 static void fix_incomplete_types(type_t *complete_type)
1900 {
1901 struct typenode *tn, *next;
1902
1903 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1904 {
1905 if (type_is_equal(complete_type, tn->type))
1906 {
1907 tn->type->details.structure = complete_type->details.structure;
1908 list_remove(&tn->entry);
1909 free(tn);
1910 }
1911 }
1912 }
1913
1914 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1915 {
1916 const declarator_t *decl;
1917 type_t *type = decl_spec->type;
1918
1919 if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1920 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1921
1922 /* We must generate names for tagless enum, struct or union.
1923 Typedef-ing a tagless enum, struct or union means we want the typedef
1924 to be included in a library hence the public attribute. */
1925 if (type_get_type_detect_alias(type) == TYPE_ENUM ||
1926 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1927 type_get_type_detect_alias(type) == TYPE_UNION ||
1928 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION)
1929 {
1930 if (!type->name)
1931 type->name = gen_name();
1932
1933 /* replace existing attributes when generating a typelib */
1934 if (do_typelib)
1935 type->attrs = attrs;
1936 }
1937
1938 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1939 {
1940
1941 if (decl->var->name) {
1942 type_t *cur;
1943 var_t *name;
1944
1945 cur = find_type(decl->var->name, current_namespace, 0);
1946
1947 /*
1948 * MIDL allows shadowing types that are declared in imported files.
1949 * We don't throw an error in this case and instead add a new type
1950 * (which is earlier on the list in hash table, so it will be used
1951 * instead of shadowed type).
1952 *
1953 * FIXME: We may consider string separated type tables for each input
1954 * for cleaner solution.
1955 */
1956 if (cur && input_name == cur->loc_info.input_name)
1957 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1958 cur->name, cur->loc_info.input_name,
1959 cur->loc_info.line_number);
1960
1961 name = declare_var(attrs, decl_spec, decl, 0);
1962 cur = type_new_alias(name->type, name->name);
1963 cur->attrs = attrs;
1964
1965 if (is_incomplete(cur))
1966 add_incomplete(cur);
1967 reg_type(cur, cur->name, current_namespace, 0);
1968 }
1969 }
1970 return type;
1971 }
1972
1973 type_t *find_type(const char *name, struct namespace *namespace, int t)
1974 {
1975 struct rtype *cur;
1976
1977 if(namespace && namespace != &global_namespace) {
1978 for(cur = namespace->type_hash[hash_ident(name)]; cur; cur = cur->next) {
1979 if(cur->t == t && !strcmp(cur->name, name))
1980 return cur->type;
1981 }
1982 }
1983 for(cur = global_namespace.type_hash[hash_ident(name)]; cur; cur = cur->next) {
1984 if(cur->t == t && !strcmp(cur->name, name))
1985 return cur->type;
1986 }
1987 return NULL;
1988 }
1989
1990 static type_t *find_type_or_error(const char *name, int t)
1991 {
1992 type_t *type = find_type(name, NULL, t);
1993 if (!type) {
1994 error_loc("type '%s' not found\n", name);
1995 return NULL;
1996 }
1997 return type;
1998 }
1999
2000 static type_t *find_type_or_error2(char *name, int t)
2001 {
2002 type_t *tp = find_type_or_error(name, t);
2003 free(name);
2004 return tp;
2005 }
2006
2007 int is_type(const char *name)
2008 {
2009 return find_type(name, current_namespace, 0) != NULL;
2010 }
2011
2012 type_t *get_type(enum type_type type, char *name, struct namespace *namespace, int t)
2013 {
2014 type_t *tp;
2015 if (!namespace)
2016 namespace = &global_namespace;
2017 if (name) {
2018 tp = find_type(name, namespace, t);
2019 if (tp) {
2020 free(name);
2021 return tp;
2022 }
2023 }
2024 tp = make_type(type);
2025 tp->name = name;
2026 tp->namespace = namespace;
2027 if (!name) return tp;
2028 return reg_type(tp, name, namespace, t);
2029 }
2030
2031 /***** constant repository *****/
2032
2033 struct rconst {
2034 char *name;
2035 var_t *var;
2036 struct rconst *next;
2037 };
2038
2039 struct rconst *const_hash[HASHMAX];
2040
2041 static var_t *reg_const(var_t *var)
2042 {
2043 struct rconst *nc;
2044 int hash;
2045 if (!var->name) {
2046 error_loc("registering constant without name\n");
2047 return var;
2048 }
2049 hash = hash_ident(var->name);
2050 nc = xmalloc(sizeof(struct rconst));
2051 nc->name = var->name;
2052 nc->var = var;
2053 nc->next = const_hash[hash];
2054 const_hash[hash] = nc;
2055 return var;
2056 }
2057
2058 var_t *find_const(const char *name, int f)
2059 {
2060 struct rconst *cur = const_hash[hash_ident(name)];
2061 while (cur && strcmp(cur->name, name))
2062 cur = cur->next;
2063 if (!cur) {
2064 if (f) error_loc("constant '%s' not found\n", name);
2065 return NULL;
2066 }
2067 return cur->var;
2068 }
2069
2070 static char *gen_name(void)
2071 {
2072 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2073 static unsigned long n = 0;
2074 static const char *file_id;
2075 static size_t size;
2076 char *name;
2077
2078 if (! file_id)
2079 {
2080 char *dst = dup_basename(input_idl_name, ".idl");
2081 file_id = dst;
2082
2083 for (; *dst; ++dst)
2084 if (! isalnum((unsigned char) *dst))
2085 *dst = '_';
2086
2087 size = sizeof format - 7 + strlen(file_id) + 8;
2088 }
2089
2090 name = xmalloc(size);
2091 sprintf(name, format, file_id, n++);
2092 return name;
2093 }
2094
2095 struct allowed_attr
2096 {
2097 unsigned int dce_compatible : 1;
2098 unsigned int acf : 1;
2099 unsigned int on_interface : 1;
2100 unsigned int on_function : 1;
2101 unsigned int on_arg : 1;
2102 unsigned int on_type : 1;
2103 unsigned int on_enum : 1;
2104 unsigned int on_struct : 2;
2105 unsigned int on_union : 1;
2106 unsigned int on_field : 1;
2107 unsigned int on_library : 1;
2108 unsigned int on_dispinterface : 1;
2109 unsigned int on_module : 1;
2110 unsigned int on_coclass : 1;
2111 const char *display_name;
2112 };
2113
2114 struct allowed_attr allowed_attr[] =
2115 {
2116 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2117 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2118 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2119 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2120 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2121 /* ATTR_ASYNCUUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "async_uuid" },
2122 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2123 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2124 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2125 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2126 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2127 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2128 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2129 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2130 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2131 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2132 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2133 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2134 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2135 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2136 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2137 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2138 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2139 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2140 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2141 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2142 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2143 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2144 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2145 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2146 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2147 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2148 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2149 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2150 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2151 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2152 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2153 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2154 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2155 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2156 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2157 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2158 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2159 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2160 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2161 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2162 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2163 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2164 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2165 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2166 /* ATTR_INPUTSYNC */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2167 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2168 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2169 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2170 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2171 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2172 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2173 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2174 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2175 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2176 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2177 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2178 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2179 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2180 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2181 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2182 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2183 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2184 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2185 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2186 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2187 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2188 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2189 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2190 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2191 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2192 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2193 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2194 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2195 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2196 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2197 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2198 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2199 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2200 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2201 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2202 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2203 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2204 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2205 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2206 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2207 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2208 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2209 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2210 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2211 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2212 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, "uuid" },
2213 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2214 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2215 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 1, 1, 2, 0, 0, 1, 0, 0, 1, "version" },
2216 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2217 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2218 };
2219
2220 const char *get_attr_display_name(enum attr_type type)
2221 {
2222 return allowed_attr[type].display_name;
2223 }
2224
2225 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2226 {
2227 const attr_t *attr;
2228 if (!attrs) return attrs;
2229 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2230 {
2231 if (!allowed_attr[attr->type].on_interface)
2232 error_loc("inapplicable attribute %s for interface %s\n",
2233 allowed_attr[attr->type].display_name, name);
2234 if (attr->type == ATTR_IMPLICIT_HANDLE)
2235 {
2236 const var_t *var = attr->u.pval;
2237 if (type_get_type( var->type) == TYPE_BASIC &&
2238 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2239 continue;
2240 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2241 continue;
2242 error_loc("attribute %s requires a handle type in interface %s\n",
2243 allowed_attr[attr->type].display_name, name);
2244 }
2245 }
2246 return attrs;
2247 }
2248
2249 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2250 {
2251 const attr_t *attr;
2252 if (!attrs) return attrs;
2253 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2254 {
2255 if (!allowed_attr[attr->type].on_function)
2256 error_loc("inapplicable attribute %s for function %s\n",
2257 allowed_attr[attr->type].display_name, name);
2258 }
2259 return attrs;
2260 }
2261
2262 static void check_arg_attrs(const var_t *arg)
2263 {
2264 const attr_t *attr;
2265
2266 if (arg->attrs)
2267 {
2268 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2269 {
2270 if (!allowed_attr[attr->type].on_arg)
2271 error_loc("inapplicable attribute %s for argument %s\n",
2272 allowed_attr[attr->type].display_name, arg->name);
2273 }
2274 }
2275 }
2276
2277 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2278 {
2279 const attr_t *attr;
2280 if (!attrs) return attrs;
2281 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2282 {
2283 if (!allowed_attr[attr->type].on_type)
2284 error_loc("inapplicable attribute %s for typedef\n",
2285 allowed_attr[attr->type].display_name);
2286 }
2287 return attrs;
2288 }
2289
2290 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2291 {
2292 const attr_t *attr;
2293 if (!attrs) return attrs;
2294 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2295 {
2296 if (!allowed_attr[attr->type].on_enum)
2297 error_loc("inapplicable attribute %s for enum\n",
2298 allowed_attr[attr->type].display_name);
2299 }
2300 return attrs;
2301 }
2302
2303 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2304 {
2305 int mask = winrt_mode ? 3 : 1;
2306 const attr_t *attr;
2307 if (!attrs) return attrs;
2308 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2309 {
2310 if (!(allowed_attr[attr->type].on_struct & mask))
2311 error_loc("inapplicable attribute %s for struct\n",
2312 allowed_attr[attr->type].display_name);
2313 }
2314 return attrs;
2315 }
2316
2317 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2318 {
2319 const attr_t *attr;
2320 if (!attrs) return attrs;
2321 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2322 {
2323 if (!allowed_attr[attr->type].on_union)
2324 error_loc("inapplicable attribute %s for union\n",
2325 allowed_attr[attr->type].display_name);
2326 }
2327 return attrs;
2328 }
2329
2330 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2331 {
2332 const attr_t *attr;
2333 if (!attrs) return attrs;
2334 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2335 {
2336 if (!allowed_attr[attr->type].on_field)
2337 error_loc("inapplicable attribute %s for field %s\n",
2338 allowed_attr[attr->type].display_name, name);
2339 }
2340 return attrs;
2341 }
2342
2343 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2344 {
2345 const attr_t *attr;
2346 if (!attrs) return attrs;
2347 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2348 {
2349 if (!allowed_attr[attr->type].on_library)
2350 error_loc("inapplicable attribute %s for library %s\n",
2351 allowed_attr[attr->type].display_name, name);
2352 }
2353 return attrs;
2354 }
2355
2356 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2357 {
2358 const attr_t *attr;
2359 if (!attrs) return attrs;
2360 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2361 {
2362 if (!allowed_attr[attr->type].on_dispinterface)
2363 error_loc("inapplicable attribute %s for dispinterface %s\n",
2364 allowed_attr[attr->type].display_name, name);
2365 }
2366 return attrs;
2367 }
2368
2369 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2370 {
2371 const attr_t *attr;
2372 if (!attrs) return attrs;
2373 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2374 {
2375 if (!allowed_attr[attr->type].on_module)
2376 error_loc("inapplicable attribute %s for module %s\n",
2377 allowed_attr[attr->type].display_name, name);
2378 }
2379 return attrs;
2380 }
2381
2382 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2383 {
2384 const attr_t *attr;
2385 if (!attrs) return attrs;
2386 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2387 {
2388 if (!allowed_attr[attr->type].on_coclass)
2389 error_loc("inapplicable attribute %s for coclass %s\n",
2390 allowed_attr[attr->type].display_name, name);
2391 }
2392 return attrs;
2393 }
2394
2395 static int is_allowed_conf_type(const type_t *type)
2396 {
2397 switch (type_get_type(type))
2398 {
2399 case TYPE_ENUM:
2400 return TRUE;
2401 case TYPE_BASIC:
2402 switch (type_basic_get_type(type))
2403 {
2404 case TYPE_BASIC_INT8:
2405 case TYPE_BASIC_INT16:
2406 case TYPE_BASIC_INT32:
2407 case TYPE_BASIC_INT64:
2408 case TYPE_BASIC_INT:
2409 case TYPE_BASIC_CHAR:
2410 case TYPE_BASIC_HYPER:
2411 case TYPE_BASIC_BYTE:
2412 case TYPE_BASIC_WCHAR:
2413 return TRUE;
2414 default:
2415 return FALSE;
2416 }
2417 case TYPE_ALIAS:
2418 /* shouldn't get here because of type_get_type call above */
2419 assert(0);
2420 /* fall through */
2421 case TYPE_STRUCT:
2422 case TYPE_UNION:
2423 case TYPE_ENCAPSULATED_UNION:
2424 case TYPE_ARRAY:
2425 case TYPE_POINTER:
2426 case TYPE_VOID:
2427 case TYPE_MODULE:
2428 case TYPE_COCLASS:
2429 case TYPE_FUNCTION:
2430 case TYPE_INTERFACE:
2431 case TYPE_BITFIELD:
2432 return FALSE;
2433 }
2434 return FALSE;
2435 }
2436
2437 static int is_ptr_guid_type(const type_t *type)
2438 {
2439 /* first, make sure it is a pointer to something */
2440 if (!is_ptr(type)) return FALSE;
2441
2442 /* second, make sure it is a pointer to something of size sizeof(GUID),
2443 * i.e. 16 bytes */
2444 return (type_memsize(type_pointer_get_ref(type)) == 16);
2445 }
2446
2447 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2448 {
2449 expr_t *dim;
2450 struct expr_loc expr_loc;
2451 expr_loc.v = arg;
2452 expr_loc.attr = attr_name;
2453 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2454 {
2455 if (dim->type != EXPR_VOID)
2456 {
2457 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2458 if (!is_allowed_conf_type(expr_type))
2459 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2460 attr_name);
2461 }
2462 }
2463 }
2464
2465 static void check_remoting_fields(const var_t *var, type_t *type);
2466
2467 /* checks that properties common to fields and arguments are consistent */
2468 static void check_field_common(const type_t *container_type,
2469 const char *container_name, const var_t *arg)
2470 {
2471 type_t *type = arg->type;
2472 int more_to_do;
2473 const char *container_type_name;
2474 const char *var_type;
2475
2476 switch (type_get_type(container_type))
2477 {
2478 case TYPE_STRUCT:
2479 container_type_name = "struct";
2480 var_type = "field";
2481 break;
2482 case TYPE_UNION:
2483 container_type_name = "union";
2484 var_type = "arm";
2485 break;
2486 case TYPE_ENCAPSULATED_UNION:
2487 container_type_name = "encapsulated union";
2488 var_type = "arm";
2489 break;
2490 case TYPE_FUNCTION:
2491 container_type_name = "function";
2492 var_type = "parameter";
2493 break;
2494 default:
2495 /* should be no other container types */
2496 assert(0);
2497 return;
2498 }
2499
2500 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2501 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2502 error_loc_info(&arg->loc_info,
2503 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2504 arg->name);
2505
2506 if (is_attr(arg->attrs, ATTR_SIZEIS))
2507 {
2508 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2509 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2510 }
2511 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2512 {
2513 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2514 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2515 }
2516 if (is_attr(arg->attrs, ATTR_IIDIS))
2517 {
2518 struct expr_loc expr_loc;
2519 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2520 if (expr->type != EXPR_VOID)
2521 {
2522 const type_t *expr_type;
2523 expr_loc.v = arg;
2524 expr_loc.attr = "iid_is";
2525 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2526 if (!expr_type || !is_ptr_guid_type(expr_type))
2527 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2528 }
2529 }
2530 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2531 {
2532 struct expr_loc expr_loc;
2533 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2534 if (expr->type != EXPR_VOID)
2535 {
2536 const type_t *expr_type;
2537 expr_loc.v = arg;
2538 expr_loc.attr = "switch_is";
2539 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2540 if (!expr_type || !is_allowed_conf_type(expr_type))
2541 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2542 expr_loc.attr);
2543 }
2544 }
2545
2546 do
2547 {
2548 more_to_do = FALSE;
2549
2550 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2551 {
2552 case TGT_STRUCT:
2553 case TGT_UNION:
2554 check_remoting_fields(arg, type);
2555 break;
2556 case TGT_INVALID:
2557 {
2558 const char *reason = "is invalid";
2559 switch (type_get_type(type))
2560 {
2561 case TYPE_VOID:
2562 reason = "cannot derive from void *";
2563 break;
2564 case TYPE_FUNCTION:
2565 reason = "cannot be a function pointer";
2566 break;
2567 case TYPE_BITFIELD:
2568 reason = "cannot be a bit-field";
2569 break;
2570 case TYPE_COCLASS:
2571 reason = "cannot be a class";
2572 break;
2573 case TYPE_INTERFACE:
2574 reason = "cannot be a non-pointer to an interface";
2575 break;
2576 case TYPE_MODULE:
2577 reason = "cannot be a module";
2578 break;
2579 default:
2580 break;
2581 }
2582 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2583 var_type, arg->name, container_type_name, container_name, reason);
2584 break;
2585 }
2586 case TGT_CTXT_HANDLE:
2587 case TGT_CTXT_HANDLE_POINTER:
2588 if (type_get_type(container_type) != TYPE_FUNCTION)
2589 error_loc_info(&arg->loc_info,
2590 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2591 var_type, arg->name, container_type_name,
2592 container_name);
2593 break;
2594 case TGT_STRING:
2595 {
2596 const type_t *t = type;
2597 while (is_ptr(t))
2598 t = type_pointer_get_ref(t);
2599 if (is_aliaschain_attr(t, ATTR_RANGE))
2600 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2601 break;
2602 }
2603 case TGT_POINTER:
2604 type = type_pointer_get_ref(type);
2605 more_to_do = TRUE;
2606 break;
2607 case TGT_ARRAY:
2608 type = type_array_get_element(type);
2609 more_to_do = TRUE;
2610 break;
2611 case TGT_USER_TYPE:
2612 case TGT_IFACE_POINTER:
2613 case TGT_BASIC:
2614 case TGT_ENUM:
2615 case TGT_RANGE:
2616 /* nothing to do */
2617 break;
2618 }
2619 } while (more_to_do);
2620 }
2621
2622 static void check_remoting_fields(const var_t *var, type_t *type)
2623 {
2624 const var_t *field;
2625 const var_list_t *fields = NULL;
2626
2627 type = type_get_real_type(type);
2628
2629 if (type->checked)
2630 return;
2631
2632 type->checked = TRUE;
2633
2634 if (type_get_type(type) == TYPE_STRUCT)
2635 {
2636 if (type_is_complete(type))
2637 fields = type_struct_get_fields(type);
2638 else
2639 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2640 }
2641 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2642 fields = type_union_get_cases(type);
2643
2644 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2645 if (field->type) check_field_common(type, type->name, field);
2646 }
2647
2648 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2649 static void check_remoting_args(const var_t *func)
2650 {
2651 const char *funcname = func->name;
2652 const var_t *arg;
2653
2654 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2655 {
2656 const type_t *type = arg->type;
2657
2658 /* check that [out] parameters have enough pointer levels */
2659 if (is_attr(arg->attrs, ATTR_OUT))
2660 {
2661 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2662 {
2663 case TGT_BASIC:
2664 case TGT_ENUM:
2665 case TGT_RANGE:
2666 case TGT_STRUCT:
2667 case TGT_UNION:
2668 case TGT_CTXT_HANDLE:
2669 case TGT_USER_TYPE:
2670 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2671 break;
2672 case TGT_IFACE_POINTER:
2673 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2674 break;
2675 case TGT_STRING:
2676 if (is_array(type))
2677 {
2678 /* needs conformance or fixed dimension */
2679 if (type_array_has_conformance(type) &&
2680 type_array_get_conformance(type)->type != EXPR_VOID) break;
2681 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2682 }
2683 if (is_attr( arg->attrs, ATTR_IN )) break;
2684 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2685 break;
2686 case TGT_INVALID:
2687 /* already error'd before we get here */
2688 case TGT_CTXT_HANDLE_POINTER:
2689 case TGT_POINTER:
2690 case TGT_ARRAY:
2691 /* OK */
2692 break;
2693 }
2694 }
2695
2696 check_field_common(func->type, funcname, arg);
2697 }
2698
2699 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2700 {
2701 var_t var;
2702 var = *func;
2703 var.type = type_function_get_rettype(func->type);
2704 var.name = xstrdup("return value");
2705 check_field_common(func->type, funcname, &var);
2706 free(var.name);
2707 }
2708 }
2709
2710 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2711 {
2712 unsigned char explicit_fc, implicit_fc;
2713
2714 /* check for a defined binding handle */
2715 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2716 {
2717 /* no explicit handle specified so add
2718 * "[in] handle_t IDL_handle" as the first parameter to the
2719 * function */
2720 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2721 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2722 idl_handle->type = find_type_or_error("handle_t", 0);
2723 type_function_add_head_arg(func->type, idl_handle);
2724 }
2725 }
2726
2727 static void check_functions(const type_t *iface, int is_inside_library)
2728 {
2729 const statement_t *stmt;
2730 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2731 {
2732 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2733 {
2734 var_t *func = stmt->u.var;
2735 add_explicit_handle_if_necessary(iface, func);
2736 }
2737 }
2738 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2739 {
2740 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2741 {
2742 const var_t *func = stmt->u.var;
2743 if (!is_attr(func->attrs, ATTR_LOCAL))
2744 check_remoting_args(func);
2745 }
2746 }
2747 }
2748
2749 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2750 {
2751 const statement_t *stmt;
2752
2753 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2754 {
2755 switch(stmt->type) {
2756 case STMT_LIBRARY:
2757 check_statements(stmt->u.lib->stmts, TRUE);
2758 break;
2759 case STMT_TYPE:
2760 switch(type_get_type(stmt->u.type)) {
2761 case TYPE_INTERFACE:
2762 check_functions(stmt->u.type, is_inside_library);
2763 break;
2764 case TYPE_COCLASS:
2765 if(winrt_mode)
2766 error_loc("coclass is not allowed in Windows Runtime mode\n");
2767 break;
2768 default:
2769 break;
2770 }
2771 break;
2772 default:
2773 break;
2774 }
2775 }
2776 }
2777
2778 static void check_all_user_types(const statement_list_t *stmts)
2779 {
2780 const statement_t *stmt;
2781
2782 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2783 {
2784 if (stmt->type == STMT_LIBRARY)
2785 check_all_user_types(stmt->u.lib->stmts);
2786 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2787 !is_local(stmt->u.type->attrs))
2788 {
2789 const statement_t *stmt_func;
2790 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2791 const var_t *func = stmt_func->u.var;
2792 check_for_additional_prototype_types(func->type->details.function->args);
2793 }
2794 }
2795 }
2796 }
2797
2798 int is_valid_uuid(const char *s)
2799 {
2800 int i;
2801
2802 for (i = 0; i < 36; ++i)
2803 if (i == 8 || i == 13 || i == 18 || i == 23)
2804 {
2805 if (s[i] != '-')
2806 return FALSE;
2807 }
2808 else
2809 if (!isxdigit(s[i]))
2810 return FALSE;
2811
2812 return s[i] == '\0';
2813 }
2814
2815 static statement_t *make_statement(enum statement_type type)
2816 {
2817 statement_t *stmt = xmalloc(sizeof(*stmt));
2818 stmt->type = type;
2819 return stmt;
2820 }
2821
2822 static statement_t *make_statement_type_decl(type_t *type)
2823 {
2824 statement_t *stmt = make_statement(STMT_TYPE);
2825 stmt->u.type = type;
2826 return stmt;
2827 }
2828
2829 static statement_t *make_statement_reference(type_t *type)
2830 {
2831 statement_t *stmt = make_statement(STMT_TYPEREF);
2832 stmt->u.type = type;
2833 return stmt;
2834 }
2835
2836 static statement_t *make_statement_declaration(var_t *var)
2837 {
2838 statement_t *stmt = make_statement(STMT_DECLARATION);
2839 stmt->u.var = var;
2840 if (var->stgclass == STG_EXTERN && var->eval)
2841 warning("'%s' initialised and declared extern\n", var->name);
2842 if (is_const_decl(var))
2843 {
2844 if (var->eval)
2845 reg_const(var);
2846 }
2847 else if (type_get_type(var->type) == TYPE_FUNCTION)
2848 check_function_attrs(var->name, var->attrs);
2849 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2850 error_loc("instantiation of data is illegal\n");
2851 return stmt;
2852 }
2853
2854 static statement_t *make_statement_library(typelib_t *typelib)
2855 {
2856 statement_t *stmt = make_statement(STMT_LIBRARY);
2857 stmt->u.lib = typelib;
2858 return stmt;
2859 }
2860
2861 static statement_t *make_statement_pragma(const char *str)
2862 {
2863 statement_t *stmt = make_statement(STMT_PRAGMA);
2864 stmt->u.str = str;
2865 return stmt;
2866 }
2867
2868 static statement_t *make_statement_cppquote(const char *str)
2869 {
2870 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2871 stmt->u.str = str;
2872 return stmt;
2873 }
2874
2875 static statement_t *make_statement_importlib(const char *str)
2876 {
2877 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2878 stmt->u.str = str;
2879 return stmt;
2880 }
2881
2882 static statement_t *make_statement_import(const char *str)
2883 {
2884 statement_t *stmt = make_statement(STMT_IMPORT);
2885 stmt->u.str = str;
2886 return stmt;
2887 }
2888
2889 static statement_t *make_statement_module(type_t *type)
2890 {
2891 statement_t *stmt = make_statement(STMT_MODULE);
2892 stmt->u.type = type;
2893 return stmt;
2894 }
2895
2896 static statement_t *make_statement_typedef(declarator_list_t *decls)
2897 {
2898 declarator_t *decl, *next;
2899 statement_t *stmt;
2900 type_list_t **type_list;
2901
2902 if (!decls) return NULL;
2903
2904 stmt = make_statement(STMT_TYPEDEF);
2905 stmt->u.type_list = NULL;
2906 type_list = &stmt->u.type_list;
2907
2908 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2909 {
2910 var_t *var = decl->var;
2911 type_t *type = find_type_or_error(var->name, 0);
2912 *type_list = xmalloc(sizeof(type_list_t));
2913 (*type_list)->type = type;
2914 (*type_list)->next = NULL;
2915
2916 type_list = &(*type_list)->next;
2917 free(decl);
2918 free(var);
2919 }
2920
2921 return stmt;
2922 }
2923
2924 static statement_list_t *append_statements(statement_list_t *l1, statement_list_t *l2)
2925 {
2926 if (!l2) return l1;
2927 if (!l1 || l1 == l2) return l2;
2928 list_move_tail (l1, l2);
2929 return l1;
2930 }
2931
2932 static attr_list_t *append_attribs(attr_list_t *l1, attr_list_t *l2)
2933 {
2934 if (!l2) return l1;
2935 if (!l1 || l1 == l2) return l2;
2936 list_move_tail (l1, l2);
2937 return l1;
2938 }
2939
2940 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2941 {
2942 if (!stmt) return list;
2943 if (!list)
2944 {
2945 list = xmalloc( sizeof(*list) );
2946 list_init( list );
2947 }
2948 list_add_tail( list, &stmt->entry );
2949 return list;
2950 }
2951
2952 void init_loc_info(loc_info_t *i)
2953 {
2954 i->input_name = input_name ? input_name : "stdin";
2955 i->line_number = line_number;
2956 i->near_text = parser_text;
2957 }
2958
2959 static void check_def(const type_t *t)
2960 {
2961 if (t->defined)
2962 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2963 t->name, t->loc_info.input_name, t->loc_info.line_number);
2964 }
Windows API implementation