?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
server: Add a heuristic to avoid computing surface regions when no pixel format has...
[wine.git] / tools / widl / parser.y
blob616a538ae9d5e8686f8f7edd024984614b9dea93
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 static unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 struct _import_t
77 {
78 char *name;
79 int import_performed;
80 };
81
82 typedef struct _decl_spec_t
83 {
84 type_t *type;
85 attr_list_t *attrs;
86 enum storage_class stgclass;
87 } decl_spec_t;
88
89 typelist_t incomplete_types = LIST_INIT(incomplete_types);
90
91 static void fix_incomplete(void);
92 static void fix_incomplete_types(type_t *complete_type);
93
94 static str_list_t *append_str(str_list_t *list, char *str);
95 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
96 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
97 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);
98 static attr_t *make_attr(enum attr_type type);
99 static attr_t *make_attrv(enum attr_type type, unsigned int val);
100 static attr_t *make_attrp(enum attr_type type, void *val);
101 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
102 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
103 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
104 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
105 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
106 static ifref_t *make_ifref(type_t *iface);
107 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
108 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
109 static declarator_t *make_declarator(var_t *var);
110 static type_t *make_safearray(type_t *type);
111 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
112 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
113
114 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
115 static type_t *find_type_or_error(const char *name, int t);
116 static type_t *find_type_or_error2(char *name, int t);
117
118 static var_t *reg_const(var_t *var);
119
120 static char *gen_name(void);
121 static void check_arg_attrs(const var_t *arg);
122 static void check_statements(const statement_list_t *stmts, int is_inside_library);
123 static void check_all_user_types(const statement_list_t *stmts);
124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
125 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
127 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
128 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
129 static attr_list_t *check_union_attrs(attr_list_t *attrs);
130 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
131 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
135 const char *get_attr_display_name(enum attr_type type);
136 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
137 static void check_def(const type_t *t);
138
139 static statement_t *make_statement(enum statement_type type);
140 static statement_t *make_statement_type_decl(type_t *type);
141 static statement_t *make_statement_reference(type_t *type);
142 static statement_t *make_statement_declaration(var_t *var);
143 static statement_t *make_statement_library(typelib_t *typelib);
144 static statement_t *make_statement_cppquote(const char *str);
145 static statement_t *make_statement_importlib(const char *str);
146 static statement_t *make_statement_module(type_t *type);
147 static statement_t *make_statement_typedef(var_list_t *names);
148 static statement_t *make_statement_import(const char *str);
149 static statement_t *make_statement_typedef(var_list_t *names);
150 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
151
152 %}
153 %union {
154 attr_t *attr;
155 attr_list_t *attr_list;
156 str_list_t *str_list;
157 expr_t *expr;
158 expr_list_t *expr_list;
159 array_dims_t *array_dims;
160 type_t *type;
161 var_t *var;
162 var_list_t *var_list;
163 declarator_t *declarator;
164 declarator_list_t *declarator_list;
165 statement_t *statement;
166 statement_list_t *stmt_list;
167 ifref_t *ifref;
168 ifref_list_t *ifref_list;
169 char *str;
170 UUID *uuid;
171 unsigned int num;
172 double dbl;
173 interface_info_t ifinfo;
174 typelib_t *typelib;
175 struct _import_t *import;
176 struct _decl_spec_t *declspec;
177 enum storage_class stgclass;
178 }
179
180 %token <str> aIDENTIFIER
181 %token <str> aKNOWNTYPE
182 %token <num> aNUM aHEXNUM
183 %token <dbl> aDOUBLE
184 %token <str> aSTRING aWSTRING aSQSTRING
185 %token <uuid> aUUID
186 %token aEOF
187 %token SHL SHR
188 %token MEMBERPTR
189 %token EQUALITY INEQUALITY
190 %token GREATEREQUAL LESSEQUAL
191 %token LOGICALOR LOGICALAND
192 %token ELLIPSIS
193 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
194 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
195 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
196 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
197 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
198 %token tDECODE tDEFAULT tDEFAULTBIND
199 %token tDEFAULTCOLLELEM
200 %token tDEFAULTVALUE
201 %token tDEFAULTVTABLE
202 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
203 %token tDISPINTERFACE
204 %token tDLLNAME tDOUBLE tDUAL
205 %token tENABLEALLOCATE tENCODE tENDPOINT
206 %token tENTRY tENUM tERRORSTATUST
207 %token tEXPLICITHANDLE tEXTERN
208 %token tFALSE
209 %token tFASTCALL tFAULTSTATUS
210 %token tFLOAT tFORCEALLOCATE
211 %token tHANDLE
212 %token tHANDLET
213 %token tHELPCONTEXT tHELPFILE
214 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
215 %token tHIDDEN
216 %token tHYPER tID tIDEMPOTENT
217 %token tIGNORE tIIDIS
218 %token tIMMEDIATEBIND
219 %token tIMPLICITHANDLE
220 %token tIMPORT tIMPORTLIB
221 %token tIN tIN_LINE tINLINE
222 %token tINPUTSYNC
223 %token tINT tINT3264 tINT64
224 %token tINTERFACE
225 %token tLCID
226 %token tLENGTHIS tLIBRARY
227 %token tLICENSED tLOCAL
228 %token tLONG
229 %token tMAYBE tMESSAGE
230 %token tMETHODS
231 %token tMODULE
232 %token tNOCODE tNONBROWSABLE
233 %token tNONCREATABLE
234 %token tNONEXTENSIBLE
235 %token tNOTIFY tNOTIFYFLAG
236 %token tNULL
237 %token tOBJECT tODL tOLEAUTOMATION
238 %token tOPTIMIZE tOPTIONAL
239 %token tOUT
240 %token tPARTIALIGNORE tPASCAL
241 %token tPOINTERDEFAULT
242 %token tPROGID tPROPERTIES
243 %token tPROPGET tPROPPUT tPROPPUTREF
244 %token tPROXY tPTR
245 %token tPUBLIC
246 %token tRANGE
247 %token tREADONLY tREF
248 %token tREGISTER tREPRESENTAS
249 %token tREQUESTEDIT
250 %token tRESTRICTED
251 %token tRETVAL
252 %token tSAFEARRAY
253 %token tSHORT
254 %token tSIGNED
255 %token tSIZEIS tSIZEOF
256 %token tSMALL
257 %token tSOURCE
258 %token tSTATIC
259 %token tSTDCALL
260 %token tSTRICTCONTEXTHANDLE
261 %token tSTRING tSTRUCT
262 %token tSWITCH tSWITCHIS tSWITCHTYPE
263 %token tTHREADING tTRANSMITAS
264 %token tTRUE
265 %token tTYPEDEF
266 %token tUIDEFAULT tUNION
267 %token tUNIQUE
268 %token tUNSIGNED
269 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
270 %token tV1ENUM
271 %token tVARARG
272 %token tVERSION tVIPROGID
273 %token tVOID
274 %token tWCHAR tWIREMARSHAL
275 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
276
277 %type <attr> attribute type_qualifier function_specifier
278 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
279 %type <str_list> str_list
280 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
281 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
282 %type <ifinfo> interfacehdr
283 %type <stgclass> storage_cls_spec
284 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
285 %type <type> inherit interface interfacedef interfacedec
286 %type <type> dispinterface dispinterfacehdr dispinterfacedef
287 %type <type> module modulehdr moduledef
288 %type <type> base_type int_std
289 %type <type> enumdef structdef uniondef typedecl
290 %type <type> type
291 %type <ifref> coclass_int
292 %type <ifref_list> coclass_ints
293 %type <var> arg ne_union_field union_field s_field case enum declaration
294 %type <var> funcdef
295 %type <var_list> m_args arg_list args dispint_meths
296 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
297 %type <var> m_ident ident
298 %type <declarator> declarator direct_declarator init_declarator struct_declarator
299 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
300 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
301 %type <declarator_list> declarator_list struct_declarator_list
302 %type <type> coclass coclasshdr coclassdef
303 %type <num> pointer_type threading_type version
304 %type <str> libraryhdr callconv cppquote importlib import t_ident
305 %type <uuid> uuid_string
306 %type <import> import_start
307 %type <typelib> library_start librarydef
308 %type <statement> statement typedef
309 %type <stmt_list> gbl_statements imp_statements int_statements
310
311 %left ','
312 %right '?' ':'
313 %left LOGICALOR
314 %left LOGICALAND
315 %left '|'
316 %left '^'
317 %left '&'
318 %left EQUALITY INEQUALITY
319 %left '<' '>' LESSEQUAL GREATEREQUAL
320 %left SHL SHR
321 %left '-' '+'
322 %left '*' '/' '%'
323 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
324 %left '.' MEMBERPTR '[' ']'
325
326 %%
327
328 input: gbl_statements { fix_incomplete();
329 check_statements($1, FALSE);
330 check_all_user_types($1);
331 write_header($1);
332 write_id_data($1);
333 write_proxies($1);
334 write_client($1);
335 write_server($1);
336 write_regscript($1);
337 write_dlldata($1);
338 write_local_stubs($1);
339 }
340 ;
341
342 gbl_statements: { $$ = NULL; }
343 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
344 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
345 | gbl_statements coclass ';' { $$ = $1;
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
349 reg_type($2, $2->name, 0);
350 }
351 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
352 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
353 | gbl_statements statement { $$ = append_statement($1, $2); }
354 ;
355
356 imp_statements: { $$ = NULL; }
357 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
358 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
359 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
360 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
361 reg_type($2, $2->name, 0);
362 }
363 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
364 | imp_statements statement { $$ = append_statement($1, $2); }
365 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
366 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
367 ;
368
369 int_statements: { $$ = NULL; }
370 | int_statements statement { $$ = append_statement($1, $2); }
371 ;
372
373 semicolon_opt:
374 | ';'
375 ;
376
377 statement:
378 cppquote { $$ = make_statement_cppquote($1); }
379 | typedecl ';' { $$ = make_statement_type_decl($1); }
380 | declaration ';' { $$ = make_statement_declaration($1); }
381 | import { $$ = make_statement_import($1); }
382 | typedef ';' { $$ = $1; }
383 ;
384
385 typedecl:
386 enumdef
387 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
388 | structdef
389 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
390 | uniondef
391 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
392 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
393 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
394 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
395 ;
396
397 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
398 ;
399 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
400 $$ = xmalloc(sizeof(struct _import_t));
401 $$->name = $2;
402 $$->import_performed = do_import($2);
403 if (!$$->import_performed) yychar = aEOF;
404 }
405 ;
406
407 import: import_start imp_statements aEOF { $$ = $1->name;
408 if ($1->import_performed) pop_import();
409 free($1);
410 }
411 ;
412
413 importlib: tIMPORTLIB '(' aSTRING ')'
414 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
415 ;
416
417 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
418 ;
419 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
420 if (!parse_only) start_typelib($$);
421 }
422 ;
423 librarydef: library_start imp_statements '}'
424 semicolon_opt { $$ = $1;
425 $$->stmts = $2;
426 if (!parse_only) end_typelib();
427 }
428 ;
429
430 m_args: { $$ = NULL; }
431 | args
432 ;
433
434 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
435 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
436 ;
437
438 args: arg_list
439 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
440 ;
441
442 /* split into two rules to get bison to resolve a tVOID conflict */
443 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
444 error_loc("invalid storage class for function parameter\n");
445 $$ = declare_var($1, $2, $3, TRUE);
446 free($2); free($3);
447 }
448 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
449 error_loc("invalid storage class for function parameter\n");
450 $$ = declare_var(NULL, $1, $2, TRUE);
451 free($1); free($2);
452 }
453 ;
454
455 array: '[' expr ']' { $$ = $2;
456 if (!$$->is_const)
457 error_loc("array dimension is not an integer constant\n");
458 }
459 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
460 | '[' ']' { $$ = make_expr(EXPR_VOID); }
461 ;
462
463 m_attributes: { $$ = NULL; }
464 | attributes
465 ;
466
467 attributes:
468 '[' attrib_list ']' { $$ = $2; }
469 ;
470
471 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
472 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
473 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
474 ;
475
476 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
477 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
478 ;
479
480 attribute: { $$ = NULL; }
481 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
482 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
483 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
484 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
485 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
486 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
487 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
488 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
489 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
490 | tCODE { $$ = make_attr(ATTR_CODE); }
491 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
492 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
493 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
494 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
495 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
496 | tDECODE { $$ = make_attr(ATTR_DECODE); }
497 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
498 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
499 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
500 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
501 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
502 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
503 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
504 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
505 | tDUAL { $$ = make_attr(ATTR_DUAL); }
506 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
507 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
508 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
509 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
510 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
511 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
512 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
513 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
514 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
515 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
516 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
517 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
518 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
519 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
520 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
521 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
522 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
523 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
524 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
525 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
526 | tIN { $$ = make_attr(ATTR_IN); }
527 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
528 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
529 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
530 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
531 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
532 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
533 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
534 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
535 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
536 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
537 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
538 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
539 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
540 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
541 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
542 | tODL { $$ = make_attr(ATTR_ODL); }
543 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
544 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
545 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
546 | tOUT { $$ = make_attr(ATTR_OUT); }
547 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
548 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
549 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
550 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
551 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
552 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
553 | tPROXY { $$ = make_attr(ATTR_PROXY); }
554 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
555 | tRANGE '(' expr_int_const ',' expr_int_const ')'
556 { expr_list_t *list = append_expr( NULL, $3 );
557 list = append_expr( list, $5 );
558 $$ = make_attrp(ATTR_RANGE, list); }
559 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
560 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
561 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
562 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
563 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
564 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
565 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
566 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
567 | tSTRING { $$ = make_attr(ATTR_STRING); }
568 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
569 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
570 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
571 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
572 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
573 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
574 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
575 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
576 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
577 | tVARARG { $$ = make_attr(ATTR_VARARG); }
578 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
579 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
580 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
581 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
582 ;
583
584 uuid_string:
585 aUUID
586 | aSTRING { if (!is_valid_uuid($1))
587 error_loc("invalid UUID: %s\n", $1);
588 $$ = parse_uuid($1); }
589 ;
590
591 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
592 | tFASTCALL { $$ = xstrdup("__fastcall"); }
593 | tPASCAL { $$ = xstrdup("__pascal"); }
594 | tSTDCALL { $$ = xstrdup("__stdcall"); }
595 ;
596
597 cases: { $$ = NULL; }
598 | cases case { $$ = append_var( $1, $2 ); }
599 ;
600
601 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
602 $$ = $4; if (!$$) $$ = make_var(NULL);
603 $$->attrs = append_attr( $$->attrs, a );
604 }
605 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
606 $$ = $3; if (!$$) $$ = make_var(NULL);
607 $$->attrs = append_attr( $$->attrs, a );
608 }
609 ;
610
611 enums: { $$ = NULL; }
612 | enum_list ',' { $$ = $1; }
613 | enum_list
614 ;
615
616 enum_list: enum { if (!$1->eval)
617 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
618 $$ = append_var( NULL, $1 );
619 }
620 | enum_list ',' enum { if (!$3->eval)
621 {
622 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
623 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
624 }
625 $$ = append_var( $1, $3 );
626 }
627 ;
628
629 enum: ident '=' expr_int_const { $$ = reg_const($1);
630 $$->eval = $3;
631 $$->type = type_new_int(TYPE_BASIC_INT, 0);
632 }
633 | ident { $$ = reg_const($1);
634 $$->type = type_new_int(TYPE_BASIC_INT, 0);
635 }
636 ;
637
638 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
639 ;
640
641 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
642 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
643 ;
644
645 m_expr: { $$ = make_expr(EXPR_VOID); }
646 | expr
647 ;
648
649 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
650 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
651 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
652 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
653 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
654 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
655 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
656 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
657 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
658 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
659 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
660 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
661 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
662 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
663 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
664 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
665 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
666 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
667 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
668 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
669 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
670 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
671 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
672 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
673 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
674 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
675 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
676 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
677 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
678 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
679 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
680 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
681 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
682 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
683 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
684 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
685 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
686 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
687 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
688 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
689 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
690 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
691 | '(' expr ')' { $$ = $2; }
692 ;
693
694 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
695 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
696 ;
697
698 expr_int_const: expr { $$ = $1;
699 if (!$$->is_const)
700 error_loc("expression is not an integer constant\n");
701 }
702 ;
703
704 expr_const: expr { $$ = $1;
705 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
706 error_loc("expression is not constant\n");
707 }
708 ;
709
710 fields: { $$ = NULL; }
711 | fields field { $$ = append_var_list($1, $2); }
712 ;
713
714 field: m_attributes decl_spec struct_declarator_list ';'
715 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
716 check_field_attrs(first, $1);
717 $$ = set_var_types($1, $2, $3);
718 }
719 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
720 v->type = $2; v->attrs = $1;
721 $$ = append_var(NULL, v);
722 }
723 ;
724
725 ne_union_field:
726 s_field ';' { $$ = $1; }
727 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
728 ;
729
730 ne_union_fields: { $$ = NULL; }
731 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
732 ;
733
734 union_field:
735 s_field ';' { $$ = $1; }
736 | ';' { $$ = NULL; }
737 ;
738
739 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
740 $2, $3, FALSE);
741 free($3);
742 }
743 | m_attributes structdef { var_t *v = make_var(NULL);
744 v->type = $2; v->attrs = $1;
745 $$ = v;
746 }
747 ;
748
749 funcdef: declaration { $$ = $1;
750 if (type_get_type($$->type) != TYPE_FUNCTION)
751 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
752 check_function_attrs($$->name, $$->attrs);
753 }
754 ;
755
756 declaration:
757 attributes decl_spec init_declarator
758 { $$ = declare_var($1, $2, $3, FALSE);
759 free($3);
760 }
761 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
762 free($2);
763 }
764 ;
765
766 m_ident: { $$ = NULL; }
767 | ident
768 ;
769
770 t_ident: { $$ = NULL; }
771 | aIDENTIFIER { $$ = $1; }
772 | aKNOWNTYPE { $$ = $1; }
773 ;
774
775 ident: aIDENTIFIER { $$ = make_var($1); }
776 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
777 | aKNOWNTYPE { $$ = make_var($<str>1); }
778 ;
779
780 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
781 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
782 | int_std
783 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
784 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
785 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
786 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
787 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
788 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
789 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
790 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
791 ;
792
793 m_int:
794 | tINT
795 ;
796
797 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
798 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
799 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
800 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
801 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
802 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
803 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
804 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
805 ;
806
807 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
808 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
809 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
810 error_loc("%s was not declared a coclass at %s:%d\n",
811 $2, $$->loc_info.input_name,
812 $$->loc_info.line_number);
813 }
814 ;
815
816 coclasshdr: attributes coclass { $$ = $2;
817 check_def($$);
818 $$->attrs = check_coclass_attrs($2->name, $1);
819 }
820 ;
821
822 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
823 { $$ = type_coclass_define($1, $3); }
824 ;
825
826 coclass_ints: { $$ = NULL; }
827 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
828 ;
829
830 coclass_int:
831 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
832 ;
833
834 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
835 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
836 ;
837
838 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
839 $$ = $2;
840 check_def($$);
841 attrs = make_attr(ATTR_DISPINTERFACE);
842 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
843 $$->defined = TRUE;
844 }
845 ;
846
847 dispint_props: tPROPERTIES ':' { $$ = NULL; }
848 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
849 ;
850
851 dispint_meths: tMETHODS ':' { $$ = NULL; }
852 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
853 ;
854
855 dispinterfacedef: dispinterfacehdr '{'
856 dispint_props
857 dispint_meths
858 '}' { $$ = $1;
859 type_dispinterface_define($$, $3, $4);
860 }
861 | dispinterfacehdr
862 '{' interface ';' '}' { $$ = $1;
863 type_dispinterface_define_from_iface($$, $3);
864 }
865 ;
866
867 inherit: { $$ = NULL; }
868 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
869 ;
870
871 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
872 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
873 ;
874
875 interfacehdr: attributes interface { $$.interface = $2;
876 $$.old_pointer_default = pointer_default;
877 if (is_attr($1, ATTR_POINTERDEFAULT))
878 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
879 check_def($2);
880 $2->attrs = check_iface_attrs($2->name, $1);
881 $2->defined = TRUE;
882 }
883 ;
884
885 interfacedef: interfacehdr inherit
886 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
887 if($$ == $2)
888 error_loc("Interface can't inherit from itself\n");
889 type_interface_define($$, $2, $4);
890 pointer_default = $1.old_pointer_default;
891 }
892 /* MIDL is able to import the definition of a base class from inside the
893 * definition of a derived class, I'll try to support it with this rule */
894 | interfacehdr ':' aIDENTIFIER
895 '{' import int_statements '}'
896 semicolon_opt { $$ = $1.interface;
897 type_interface_define($$, find_type_or_error2($3, 0), $6);
898 pointer_default = $1.old_pointer_default;
899 }
900 | dispinterfacedef semicolon_opt { $$ = $1; }
901 ;
902
903 interfacedec:
904 interface ';' { $$ = $1; }
905 | dispinterface ';' { $$ = $1; }
906 ;
907
908 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
909 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
910 ;
911
912 modulehdr: attributes module { $$ = $2;
913 $$->attrs = check_module_attrs($2->name, $1);
914 }
915 ;
916
917 moduledef: modulehdr '{' int_statements '}'
918 semicolon_opt { $$ = $1;
919 type_module_define($$, $3);
920 }
921 ;
922
923 storage_cls_spec:
924 tEXTERN { $$ = STG_EXTERN; }
925 | tSTATIC { $$ = STG_STATIC; }
926 | tREGISTER { $$ = STG_REGISTER; }
927 ;
928
929 function_specifier:
930 tINLINE { $$ = make_attr(ATTR_INLINE); }
931 ;
932
933 type_qualifier:
934 tCONST { $$ = make_attr(ATTR_CONST); }
935 ;
936
937 m_type_qual_list: { $$ = NULL; }
938 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
939 ;
940
941 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
942 | decl_spec_no_type type m_decl_spec_no_type
943 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
944 ;
945
946 m_decl_spec_no_type: { $$ = NULL; }
947 | decl_spec_no_type
948 ;
949
950 decl_spec_no_type:
951 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
952 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
953 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
954 ;
955
956 declarator:
957 '*' m_type_qual_list declarator %prec PPTR
958 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
959 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
960 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
961 | direct_declarator
962 ;
963
964 direct_declarator:
965 ident { $$ = make_declarator($1); }
966 | '(' declarator ')' { $$ = $2; }
967 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
968 | direct_declarator '(' m_args ')' { $$ = $1;
969 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
970 $$->type = NULL;
971 }
972 ;
973
974 /* abstract declarator */
975 abstract_declarator:
976 '*' m_type_qual_list m_abstract_declarator %prec PPTR
977 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
978 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
979 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
980 | abstract_direct_declarator
981 ;
982
983 /* abstract declarator without accepting direct declarator */
984 abstract_declarator_no_direct:
985 '*' m_type_qual_list m_any_declarator %prec PPTR
986 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
987 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
988 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
989 ;
990
991 /* abstract declarator or empty */
992 m_abstract_declarator: { $$ = make_declarator(NULL); }
993 | abstract_declarator
994 ;
995
996 /* abstract direct declarator */
997 abstract_direct_declarator:
998 '(' abstract_declarator_no_direct ')' { $$ = $2; }
999 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1000 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1001 | '(' m_args ')'
1002 { $$ = make_declarator(NULL);
1003 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1004 $$->type = NULL;
1005 }
1006 | abstract_direct_declarator '(' m_args ')'
1007 { $$ = $1;
1008 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1009 $$->type = NULL;
1010 }
1011 ;
1012
1013 /* abstract or non-abstract declarator */
1014 any_declarator:
1015 '*' m_type_qual_list m_any_declarator %prec PPTR
1016 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1017 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1018 | any_direct_declarator
1019 ;
1020
1021 /* abstract or non-abstract declarator without accepting direct declarator */
1022 any_declarator_no_direct:
1023 '*' m_type_qual_list m_any_declarator %prec PPTR
1024 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1025 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1026 ;
1027
1028 /* abstract or non-abstract declarator or empty */
1029 m_any_declarator: { $$ = make_declarator(NULL); }
1030 | any_declarator
1031 ;
1032
1033 /* abstract or non-abstract direct declarator. note: direct declarators
1034 * aren't accepted inside brackets to avoid ambiguity with the rule for
1035 * function arguments */
1036 any_direct_declarator:
1037 ident { $$ = make_declarator($1); }
1038 | '(' any_declarator_no_direct ')' { $$ = $2; }
1039 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1040 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1041 | '(' m_args ')'
1042 { $$ = make_declarator(NULL);
1043 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1044 $$->type = NULL;
1045 }
1046 | any_direct_declarator '(' m_args ')'
1047 { $$ = $1;
1048 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1049 $$->type = NULL;
1050 }
1051 ;
1052
1053 declarator_list:
1054 declarator { $$ = append_declarator( NULL, $1 ); }
1055 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1056 ;
1057
1058 m_bitfield: { $$ = NULL; }
1059 | ':' expr_const { $$ = $2; }
1060 ;
1061
1062 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1063 if (!$$->bits && !$$->var->name)
1064 error_loc("unnamed fields are not allowed\n");
1065 }
1066 ;
1067
1068 struct_declarator_list:
1069 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1070 | struct_declarator_list ',' struct_declarator
1071 { $$ = append_declarator( $1, $3 ); }
1072 ;
1073
1074 init_declarator:
1075 declarator { $$ = $1; }
1076 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1077 ;
1078
1079 threading_type:
1080 tAPARTMENT { $$ = THREADING_APARTMENT; }
1081 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1082 | tSINGLE { $$ = THREADING_SINGLE; }
1083 | tFREE { $$ = THREADING_FREE; }
1084 | tBOTH { $$ = THREADING_BOTH; }
1085 ;
1086
1087 pointer_type:
1088 tREF { $$ = RPC_FC_RP; }
1089 | tUNIQUE { $$ = RPC_FC_UP; }
1090 | tPTR { $$ = RPC_FC_FP; }
1091 ;
1092
1093 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1094 ;
1095
1096 type: tVOID { $$ = type_new_void(); }
1097 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1098 | base_type { $$ = $1; }
1099 | enumdef { $$ = $1; }
1100 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1101 | structdef { $$ = $1; }
1102 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1103 | uniondef { $$ = $1; }
1104 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1105 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1106 ;
1107
1108 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1109 { reg_typedefs($3, $4, check_typedef_attrs($2));
1110 $$ = make_statement_typedef($4);
1111 }
1112 ;
1113
1114 uniondef: tUNION t_ident '{' ne_union_fields '}'
1115 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1116 | tUNION t_ident
1117 tSWITCH '(' s_field ')'
1118 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1119 ;
1120
1121 version:
1122 aNUM { $$ = MAKEVERSION($1, 0); }
1123 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1124 ;
1125
1126 %%
1127
1128 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1129 {
1130 type_t *t = type_new_basic(type);
1131 reg_type(t, name, 0);
1132 }
1133
1134 static void decl_builtin_alias(const char *name, type_t *t)
1135 {
1136 reg_type(type_new_alias(t, name), name, 0);
1137 }
1138
1139 void init_types(void)
1140 {
1141 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1142 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1143 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1144 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1145 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1146 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1147 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1148 }
1149
1150 static str_list_t *append_str(str_list_t *list, char *str)
1151 {
1152 struct str_list_entry_t *entry;
1153
1154 if (!str) return list;
1155 if (!list)
1156 {
1157 list = xmalloc( sizeof(*list) );
1158 list_init( list );
1159 }
1160 entry = xmalloc( sizeof(*entry) );
1161 entry->str = str;
1162 list_add_tail( list, &entry->entry );
1163 return list;
1164 }
1165
1166 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1167 {
1168 attr_t *attr_existing;
1169 if (!attr) return list;
1170 if (!list)
1171 {
1172 list = xmalloc( sizeof(*list) );
1173 list_init( list );
1174 }
1175 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1176 if (attr_existing->type == attr->type)
1177 {
1178 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1179 /* use the last attribute, like MIDL does */
1180 list_remove(&attr_existing->entry);
1181 break;
1182 }
1183 list_add_tail( list, &attr->entry );
1184 return list;
1185 }
1186
1187 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1188 {
1189 attr_t *attr;
1190 if (!src) return dst;
1191 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1192 if (attr->type == type)
1193 {
1194 list_remove(&attr->entry);
1195 return append_attr(dst, attr);
1196 }
1197 return dst;
1198 }
1199
1200 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1201 {
1202 struct list *entry;
1203
1204 if (!old_list) return new_list;
1205
1206 while ((entry = list_head(old_list)))
1207 {
1208 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1209 list_remove(entry);
1210 new_list = append_attr(new_list, attr);
1211 }
1212 return new_list;
1213 }
1214
1215 static attr_list_t *dupattrs(const attr_list_t *list)
1216 {
1217 attr_list_t *new_list;
1218 const attr_t *attr;
1219
1220 if (!list) return NULL;
1221
1222 new_list = xmalloc( sizeof(*list) );
1223 list_init( new_list );
1224 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1225 {
1226 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1227 *new_attr = *attr;
1228 list_add_tail(new_list, &new_attr->entry);
1229 }
1230 return new_list;
1231 }
1232
1233 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)
1234 {
1235 decl_spec_t *declspec = left ? left : right;
1236 if (!declspec)
1237 {
1238 declspec = xmalloc(sizeof(*declspec));
1239 declspec->type = NULL;
1240 declspec->attrs = NULL;
1241 declspec->stgclass = STG_NONE;
1242 }
1243 declspec->type = type;
1244 if (left && declspec != left)
1245 {
1246 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1247 if (declspec->stgclass == STG_NONE)
1248 declspec->stgclass = left->stgclass;
1249 else if (left->stgclass != STG_NONE)
1250 error_loc("only one storage class can be specified\n");
1251 assert(!left->type);
1252 free(left);
1253 }
1254 if (right && declspec != right)
1255 {
1256 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1257 if (declspec->stgclass == STG_NONE)
1258 declspec->stgclass = right->stgclass;
1259 else if (right->stgclass != STG_NONE)
1260 error_loc("only one storage class can be specified\n");
1261 assert(!right->type);
1262 free(right);
1263 }
1264
1265 declspec->attrs = append_attr(declspec->attrs, attr);
1266 if (declspec->stgclass == STG_NONE)
1267 declspec->stgclass = stgclass;
1268 else if (stgclass != STG_NONE)
1269 error_loc("only one storage class can be specified\n");
1270
1271 /* apply attributes to type */
1272 if (type && declspec->attrs)
1273 {
1274 attr_list_t *attrs;
1275 declspec->type = duptype(type, 1);
1276 attrs = dupattrs(type->attrs);
1277 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1278 declspec->attrs = NULL;
1279 }
1280
1281 return declspec;
1282 }
1283
1284 static attr_t *make_attr(enum attr_type type)
1285 {
1286 attr_t *a = xmalloc(sizeof(attr_t));
1287 a->type = type;
1288 a->u.ival = 0;
1289 return a;
1290 }
1291
1292 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1293 {
1294 attr_t *a = xmalloc(sizeof(attr_t));
1295 a->type = type;
1296 a->u.ival = val;
1297 return a;
1298 }
1299
1300 static attr_t *make_attrp(enum attr_type type, void *val)
1301 {
1302 attr_t *a = xmalloc(sizeof(attr_t));
1303 a->type = type;
1304 a->u.pval = val;
1305 return a;
1306 }
1307
1308 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1309 {
1310 if (!expr) return list;
1311 if (!list)
1312 {
1313 list = xmalloc( sizeof(*list) );
1314 list_init( list );
1315 }
1316 list_add_tail( list, &expr->entry );
1317 return list;
1318 }
1319
1320 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1321 {
1322 if (!expr) return list;
1323 if (!list)
1324 {
1325 list = xmalloc( sizeof(*list) );
1326 list_init( list );
1327 }
1328 list_add_tail( list, &expr->entry );
1329 return list;
1330 }
1331
1332 static struct list type_pool = LIST_INIT(type_pool);
1333 typedef struct
1334 {
1335 type_t data;
1336 struct list link;
1337 } type_pool_node_t;
1338
1339 type_t *alloc_type(void)
1340 {
1341 type_pool_node_t *node = xmalloc(sizeof *node);
1342 list_add_tail(&type_pool, &node->link);
1343 return &node->data;
1344 }
1345
1346 void set_all_tfswrite(int val)
1347 {
1348 type_pool_node_t *node;
1349 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1350 node->data.tfswrite = val;
1351 }
1352
1353 void clear_all_offsets(void)
1354 {
1355 type_pool_node_t *node;
1356 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1357 node->data.typestring_offset = node->data.ptrdesc = 0;
1358 }
1359
1360 static void type_function_add_head_arg(type_t *type, var_t *arg)
1361 {
1362 if (!type->details.function->args)
1363 {
1364 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1365 list_init( type->details.function->args );
1366 }
1367 list_add_head( type->details.function->args, &arg->entry );
1368 }
1369
1370 static int is_allowed_range_type(const type_t *type)
1371 {
1372 switch (type_get_type(type))
1373 {
1374 case TYPE_ENUM:
1375 return TRUE;
1376 case TYPE_BASIC:
1377 switch (type_basic_get_type(type))
1378 {
1379 case TYPE_BASIC_INT8:
1380 case TYPE_BASIC_INT16:
1381 case TYPE_BASIC_INT32:
1382 case TYPE_BASIC_INT64:
1383 case TYPE_BASIC_INT:
1384 case TYPE_BASIC_INT3264:
1385 case TYPE_BASIC_BYTE:
1386 case TYPE_BASIC_CHAR:
1387 case TYPE_BASIC_WCHAR:
1388 case TYPE_BASIC_HYPER:
1389 return TRUE;
1390 case TYPE_BASIC_FLOAT:
1391 case TYPE_BASIC_DOUBLE:
1392 case TYPE_BASIC_ERROR_STATUS_T:
1393 case TYPE_BASIC_HANDLE:
1394 return FALSE;
1395 }
1396 return FALSE;
1397 default:
1398 return FALSE;
1399 }
1400 }
1401
1402 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1403 {
1404 type_t *ptrchain_type;
1405 if (!ptrchain)
1406 return type;
1407 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1408 ;
1409 assert(ptrchain_type->type_type == TYPE_POINTER);
1410 ptrchain_type->details.pointer.ref = type;
1411 return ptrchain;
1412 }
1413
1414 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1415 int top)
1416 {
1417 var_t *v = decl->var;
1418 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1419 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1420 int sizeless;
1421 expr_t *dim;
1422 type_t **ptype;
1423 array_dims_t *arr = decl ? decl->array : NULL;
1424 type_t *func_type = decl ? decl->func_type : NULL;
1425 type_t *type = decl_spec->type;
1426
1427 if (is_attr(type->attrs, ATTR_INLINE))
1428 {
1429 if (!func_type)
1430 error_loc("inline attribute applied to non-function type\n");
1431 else
1432 {
1433 type_t *t;
1434 /* move inline attribute from return type node to function node */
1435 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1436 ;
1437 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1438 }
1439 }
1440
1441 /* add type onto the end of the pointers in pident->type */
1442 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1443 v->stgclass = decl_spec->stgclass;
1444 v->attrs = attrs;
1445
1446 /* check for pointer attribute being applied to non-pointer, non-array
1447 * type */
1448 if (!arr)
1449 {
1450 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1451 const type_t *ptr = NULL;
1452 /* pointer attributes on the left side of the type belong to the function
1453 * pointer, if one is being declared */
1454 type_t **pt = func_type ? &func_type : &v->type;
1455 for (ptr = *pt; ptr && !ptr_attr; )
1456 {
1457 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1458 if (!ptr_attr && type_is_alias(ptr))
1459 ptr = type_alias_get_aliasee(ptr);
1460 else
1461 break;
1462 }
1463 if (is_ptr(ptr))
1464 {
1465 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1466 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1467 warning_loc_info(&v->loc_info,
1468 "%s: pointer attribute applied to interface "
1469 "pointer type has no effect\n", v->name);
1470 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1471 {
1472 /* FIXME: this is a horrible hack to cope with the issue that we
1473 * store an offset to the typeformat string in the type object, but
1474 * two typeformat strings may be written depending on whether the
1475 * pointer is a toplevel parameter or not */
1476 *pt = duptype(*pt, 1);
1477 }
1478 }
1479 else if (ptr_attr)
1480 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1481 }
1482
1483 if (is_attr(v->attrs, ATTR_STRING))
1484 {
1485 type_t *t = type;
1486
1487 if (!is_ptr(v->type) && !arr)
1488 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1489 v->name);
1490
1491 while (is_ptr(t))
1492 t = type_pointer_get_ref(t);
1493
1494 if (type_get_type(t) != TYPE_BASIC &&
1495 (get_basic_fc(t) != RPC_FC_CHAR &&
1496 get_basic_fc(t) != RPC_FC_BYTE &&
1497 get_basic_fc(t) != RPC_FC_WCHAR))
1498 {
1499 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1500 v->name);
1501 }
1502 }
1503
1504 if (is_attr(v->attrs, ATTR_V1ENUM))
1505 {
1506 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1507 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1508 }
1509
1510 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1511 error_loc("'%s': [range] attribute applied to non-integer type\n",
1512 v->name);
1513
1514 ptype = &v->type;
1515 sizeless = FALSE;
1516 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1517 {
1518 if (sizeless)
1519 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1520
1521 if (dim->is_const)
1522 {
1523 if (dim->cval <= 0)
1524 error_loc("%s: array dimension must be positive\n", v->name);
1525
1526 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1527 if (0)
1528 {
1529 unsigned int size = type_memsize(v->type);
1530
1531 if (0xffffffffu / size < dim->cval)
1532 error_loc("%s: total array size is too large\n", v->name);
1533 }
1534 }
1535 else
1536 sizeless = TRUE;
1537
1538 *ptype = type_new_array(NULL, *ptype, FALSE,
1539 dim->is_const ? dim->cval : 0,
1540 dim->is_const ? NULL : dim, NULL,
1541 pointer_default);
1542 }
1543
1544 ptype = &v->type;
1545 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1546 {
1547 if (dim->type != EXPR_VOID)
1548 {
1549 if (is_array(*ptype))
1550 {
1551 if (!type_array_get_conformance(*ptype) ||
1552 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1553 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1554 else
1555 *ptype = type_new_array((*ptype)->name,
1556 type_array_get_element(*ptype), FALSE,
1557 0, dim, NULL, 0);
1558 }
1559 else if (is_ptr(*ptype))
1560 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1561 0, dim, NULL, pointer_default);
1562 else
1563 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1564 }
1565
1566 if (is_ptr(*ptype))
1567 ptype = &(*ptype)->details.pointer.ref;
1568 else if (is_array(*ptype))
1569 ptype = &(*ptype)->details.array.elem;
1570 else
1571 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1572 }
1573
1574 ptype = &v->type;
1575 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1576 {
1577 if (dim->type != EXPR_VOID)
1578 {
1579 if (is_array(*ptype))
1580 {
1581 *ptype = type_new_array((*ptype)->name,
1582 type_array_get_element(*ptype),
1583 type_array_is_decl_as_ptr(*ptype),
1584 type_array_get_dim(*ptype),
1585 type_array_get_conformance(*ptype),
1586 dim, type_array_get_ptr_default_fc(*ptype));
1587 }
1588 else
1589 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1590 }
1591
1592 if (is_ptr(*ptype))
1593 ptype = &(*ptype)->details.pointer.ref;
1594 else if (is_array(*ptype))
1595 ptype = &(*ptype)->details.array.elem;
1596 else
1597 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1598 }
1599
1600 /* v->type is currently pointing to the type on the left-side of the
1601 * declaration, so we need to fix this up so that it is the return type of the
1602 * function and make v->type point to the function side of the declaration */
1603 if (func_type)
1604 {
1605 type_t *ft, *t;
1606 type_t *return_type = v->type;
1607 v->type = func_type;
1608 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1609 ;
1610 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1611 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1612 ft->details.function->retval->type = return_type;
1613 /* move calling convention attribute, if present, from pointer nodes to
1614 * function node */
1615 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1616 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1617 }
1618 else
1619 {
1620 type_t *t;
1621 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1622 if (is_attr(t->attrs, ATTR_CALLCONV))
1623 error_loc("calling convention applied to non-function-pointer type\n");
1624 }
1625
1626 if (decl->bits)
1627 v->type = type_new_bitfield(v->type, decl->bits);
1628
1629 return v;
1630 }
1631
1632 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1633 {
1634 declarator_t *decl, *next;
1635 var_list_t *var_list = NULL;
1636
1637 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1638 {
1639 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1640 var_list = append_var(var_list, var);
1641 free(decl);
1642 }
1643 free(decl_spec);
1644 return var_list;
1645 }
1646
1647 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1648 {
1649 if (!iface) return list;
1650 if (!list)
1651 {
1652 list = xmalloc( sizeof(*list) );
1653 list_init( list );
1654 }
1655 list_add_tail( list, &iface->entry );
1656 return list;
1657 }
1658
1659 static ifref_t *make_ifref(type_t *iface)
1660 {
1661 ifref_t *l = xmalloc(sizeof(ifref_t));
1662 l->iface = iface;
1663 l->attrs = NULL;
1664 return l;
1665 }
1666
1667 var_list_t *append_var(var_list_t *list, var_t *var)
1668 {
1669 if (!var) return list;
1670 if (!list)
1671 {
1672 list = xmalloc( sizeof(*list) );
1673 list_init( list );
1674 }
1675 list_add_tail( list, &var->entry );
1676 return list;
1677 }
1678
1679 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1680 {
1681 if (!vars) return list;
1682 if (!list)
1683 {
1684 list = xmalloc( sizeof(*list) );
1685 list_init( list );
1686 }
1687 list_move_tail( list, vars );
1688 return list;
1689 }
1690
1691 var_t *make_var(char *name)
1692 {
1693 var_t *v = xmalloc(sizeof(var_t));
1694 v->name = name;
1695 v->type = NULL;
1696 v->attrs = NULL;
1697 v->eval = NULL;
1698 v->stgclass = STG_NONE;
1699 init_loc_info(&v->loc_info);
1700 return v;
1701 }
1702
1703 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1704 {
1705 if (!d) return list;
1706 if (!list) {
1707 list = xmalloc(sizeof(*list));
1708 list_init(list);
1709 }
1710 list_add_tail(list, &d->entry);
1711 return list;
1712 }
1713
1714 static declarator_t *make_declarator(var_t *var)
1715 {
1716 declarator_t *d = xmalloc(sizeof(*d));
1717 d->var = var ? var : make_var(NULL);
1718 d->type = NULL;
1719 d->func_type = NULL;
1720 d->array = NULL;
1721 d->bits = NULL;
1722 return d;
1723 }
1724
1725 static type_t *make_safearray(type_t *type)
1726 {
1727 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1728 NULL, NULL, RPC_FC_RP);
1729 }
1730
1731 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1732 {
1733 typelib_t *typelib = xmalloc(sizeof(*typelib));
1734 typelib->name = xstrdup(name);
1735 typelib->attrs = attrs;
1736 list_init( &typelib->importlibs );
1737 return typelib;
1738 }
1739
1740 #define HASHMAX 64
1741
1742 static int hash_ident(const char *name)
1743 {
1744 const char *p = name;
1745 int sum = 0;
1746 /* a simple sum hash is probably good enough */
1747 while (*p) {
1748 sum += *p;
1749 p++;
1750 }
1751 return sum & (HASHMAX-1);
1752 }
1753
1754 /***** type repository *****/
1755
1756 struct rtype {
1757 const char *name;
1758 type_t *type;
1759 int t;
1760 struct rtype *next;
1761 };
1762
1763 struct rtype *type_hash[HASHMAX];
1764
1765 type_t *reg_type(type_t *type, const char *name, int t)
1766 {
1767 struct rtype *nt;
1768 int hash;
1769 if (!name) {
1770 error_loc("registering named type without name\n");
1771 return type;
1772 }
1773 hash = hash_ident(name);
1774 nt = xmalloc(sizeof(struct rtype));
1775 nt->name = name;
1776 nt->type = type;
1777 nt->t = t;
1778 nt->next = type_hash[hash];
1779 type_hash[hash] = nt;
1780 if ((t == tsSTRUCT || t == tsUNION))
1781 fix_incomplete_types(type);
1782 return type;
1783 }
1784
1785 static int is_incomplete(const type_t *t)
1786 {
1787 return !t->defined &&
1788 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1789 type_get_type_detect_alias(t) == TYPE_UNION ||
1790 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1791 }
1792
1793 void add_incomplete(type_t *t)
1794 {
1795 struct typenode *tn = xmalloc(sizeof *tn);
1796 tn->type = t;
1797 list_add_tail(&incomplete_types, &tn->entry);
1798 }
1799
1800 static void fix_type(type_t *t)
1801 {
1802 if (type_is_alias(t) && is_incomplete(t)) {
1803 type_t *ot = type_alias_get_aliasee(t);
1804 fix_type(ot);
1805 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1806 type_get_type_detect_alias(ot) == TYPE_UNION ||
1807 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1808 t->details.structure = ot->details.structure;
1809 t->defined = ot->defined;
1810 }
1811 }
1812
1813 static void fix_incomplete(void)
1814 {
1815 struct typenode *tn, *next;
1816
1817 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1818 fix_type(tn->type);
1819 list_remove(&tn->entry);
1820 free(tn);
1821 }
1822 }
1823
1824 static void fix_incomplete_types(type_t *complete_type)
1825 {
1826 struct typenode *tn, *next;
1827
1828 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1829 {
1830 if (type_is_equal(complete_type, tn->type))
1831 {
1832 tn->type->details.structure = complete_type->details.structure;
1833 list_remove(&tn->entry);
1834 free(tn);
1835 }
1836 }
1837 }
1838
1839 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1840 {
1841 const declarator_t *decl;
1842 type_t *type = decl_spec->type;
1843
1844 /* We must generate names for tagless enum, struct or union.
1845 Typedef-ing a tagless enum, struct or union means we want the typedef
1846 to be included in a library hence the public attribute. */
1847 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1848 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1849 type_get_type_detect_alias(type) == TYPE_UNION ||
1850 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1851 !type->name && !parse_only)
1852 {
1853 if (! is_attr(attrs, ATTR_PUBLIC))
1854 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1855 type->name = gen_name();
1856 }
1857 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1858 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1859
1860 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1861 {
1862
1863 if (decl->var->name) {
1864 type_t *cur;
1865 var_t *name;
1866
1867 cur = find_type(decl->var->name, 0);
1868 if (cur)
1869 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1870 cur->name, cur->loc_info.input_name,
1871 cur->loc_info.line_number);
1872
1873 name = declare_var(attrs, decl_spec, decl, 0);
1874 cur = type_new_alias(name->type, name->name);
1875 cur->attrs = attrs;
1876
1877 if (is_incomplete(cur))
1878 add_incomplete(cur);
1879 reg_type(cur, cur->name, 0);
1880 }
1881 }
1882 return type;
1883 }
1884
1885 type_t *find_type(const char *name, int t)
1886 {
1887 struct rtype *cur = type_hash[hash_ident(name)];
1888 while (cur && (cur->t != t || strcmp(cur->name, name)))
1889 cur = cur->next;
1890 return cur ? cur->type : NULL;
1891 }
1892
1893 static type_t *find_type_or_error(const char *name, int t)
1894 {
1895 type_t *type = find_type(name, t);
1896 if (!type) {
1897 error_loc("type '%s' not found\n", name);
1898 return NULL;
1899 }
1900 return type;
1901 }
1902
1903 static type_t *find_type_or_error2(char *name, int t)
1904 {
1905 type_t *tp = find_type_or_error(name, t);
1906 free(name);
1907 return tp;
1908 }
1909
1910 int is_type(const char *name)
1911 {
1912 return find_type(name, 0) != NULL;
1913 }
1914
1915 type_t *get_type(enum type_type type, char *name, int t)
1916 {
1917 type_t *tp;
1918 if (name) {
1919 tp = find_type(name, t);
1920 if (tp) {
1921 free(name);
1922 return tp;
1923 }
1924 }
1925 tp = make_type(type);
1926 tp->name = name;
1927 if (!name) return tp;
1928 return reg_type(tp, name, t);
1929 }
1930
1931 /***** constant repository *****/
1932
1933 struct rconst {
1934 char *name;
1935 var_t *var;
1936 struct rconst *next;
1937 };
1938
1939 struct rconst *const_hash[HASHMAX];
1940
1941 static var_t *reg_const(var_t *var)
1942 {
1943 struct rconst *nc;
1944 int hash;
1945 if (!var->name) {
1946 error_loc("registering constant without name\n");
1947 return var;
1948 }
1949 hash = hash_ident(var->name);
1950 nc = xmalloc(sizeof(struct rconst));
1951 nc->name = var->name;
1952 nc->var = var;
1953 nc->next = const_hash[hash];
1954 const_hash[hash] = nc;
1955 return var;
1956 }
1957
1958 var_t *find_const(const char *name, int f)
1959 {
1960 struct rconst *cur = const_hash[hash_ident(name)];
1961 while (cur && strcmp(cur->name, name))
1962 cur = cur->next;
1963 if (!cur) {
1964 if (f) error_loc("constant '%s' not found\n", name);
1965 return NULL;
1966 }
1967 return cur->var;
1968 }
1969
1970 static char *gen_name(void)
1971 {
1972 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1973 static unsigned long n = 0;
1974 static const char *file_id;
1975 static size_t size;
1976 char *name;
1977
1978 if (! file_id)
1979 {
1980 char *dst = dup_basename(input_name, ".idl");
1981 file_id = dst;
1982
1983 for (; *dst; ++dst)
1984 if (! isalnum((unsigned char) *dst))
1985 *dst = '_';
1986
1987 size = sizeof format - 7 + strlen(file_id) + 8;
1988 }
1989
1990 name = xmalloc(size);
1991 sprintf(name, format, file_id, n++);
1992 return name;
1993 }
1994
1995 struct allowed_attr
1996 {
1997 unsigned int dce_compatible : 1;
1998 unsigned int acf : 1;
1999 unsigned int on_interface : 1;
2000 unsigned int on_function : 1;
2001 unsigned int on_arg : 1;
2002 unsigned int on_type : 1;
2003 unsigned int on_enum : 1;
2004 unsigned int on_struct : 1;
2005 unsigned int on_union : 1;
2006 unsigned int on_field : 1;
2007 unsigned int on_library : 1;
2008 unsigned int on_dispinterface : 1;
2009 unsigned int on_module : 1;
2010 unsigned int on_coclass : 1;
2011 const char *display_name;
2012 };
2013
2014 struct allowed_attr allowed_attr[] =
2015 {
2016 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2017 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2018 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2019 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2020 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2021 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2022 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2023 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2024 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2025 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2026 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2027 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2028 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2029 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2030 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2031 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2032 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2033 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2034 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2035 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2036 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2037 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2038 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2039 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2040 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2041 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2042 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2043 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2044 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2045 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2046 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2047 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2048 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2049 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2050 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2051 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2052 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2053 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2054 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2055 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2056 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2057 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2058 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2059 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2060 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2061 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2062 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2063 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2064 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2065 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2066 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2067 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2068 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2069 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2070 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2071 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2072 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2073 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2074 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2075 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2076 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2077 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2078 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2079 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2080 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2081 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2082 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2083 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2084 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2085 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2086 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2087 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2088 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2089 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2090 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2091 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2092 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2093 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2094 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2095 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2096 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2097 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2098 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2099 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2100 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2101 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2102 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2103 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2104 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2105 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2106 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2107 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2108 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2109 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2110 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2111 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2112 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2113 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2114 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
2115 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2116 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2117 };
2118
2119 const char *get_attr_display_name(enum attr_type type)
2120 {
2121 return allowed_attr[type].display_name;
2122 }
2123
2124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2125 {
2126 const attr_t *attr;
2127 if (!attrs) return attrs;
2128 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2129 {
2130 if (!allowed_attr[attr->type].on_interface)
2131 error_loc("inapplicable attribute %s for interface %s\n",
2132 allowed_attr[attr->type].display_name, name);
2133 if (attr->type == ATTR_IMPLICIT_HANDLE)
2134 {
2135 const var_t *var = attr->u.pval;
2136 if (type_get_type( var->type) == TYPE_BASIC &&
2137 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2138 continue;
2139 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2140 continue;
2141 error_loc("attribute %s requires a handle type in interface %s\n",
2142 allowed_attr[attr->type].display_name, name);
2143 }
2144 }
2145 return attrs;
2146 }
2147
2148 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2149 {
2150 const attr_t *attr;
2151 if (!attrs) return attrs;
2152 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2153 {
2154 if (!allowed_attr[attr->type].on_function)
2155 error_loc("inapplicable attribute %s for function %s\n",
2156 allowed_attr[attr->type].display_name, name);
2157 }
2158 return attrs;
2159 }
2160
2161 static void check_arg_attrs(const var_t *arg)
2162 {
2163 const attr_t *attr;
2164
2165 if (arg->attrs)
2166 {
2167 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2168 {
2169 if (!allowed_attr[attr->type].on_arg)
2170 error_loc("inapplicable attribute %s for argument %s\n",
2171 allowed_attr[attr->type].display_name, arg->name);
2172 }
2173 }
2174 }
2175
2176 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2177 {
2178 const attr_t *attr;
2179 if (!attrs) return attrs;
2180 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2181 {
2182 if (!allowed_attr[attr->type].on_type)
2183 error_loc("inapplicable attribute %s for typedef\n",
2184 allowed_attr[attr->type].display_name);
2185 }
2186 return attrs;
2187 }
2188
2189 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2190 {
2191 const attr_t *attr;
2192 if (!attrs) return attrs;
2193 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2194 {
2195 if (!allowed_attr[attr->type].on_enum)
2196 error_loc("inapplicable attribute %s for enum\n",
2197 allowed_attr[attr->type].display_name);
2198 }
2199 return attrs;
2200 }
2201
2202 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2203 {
2204 const attr_t *attr;
2205 if (!attrs) return attrs;
2206 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2207 {
2208 if (!allowed_attr[attr->type].on_struct)
2209 error_loc("inapplicable attribute %s for struct\n",
2210 allowed_attr[attr->type].display_name);
2211 }
2212 return attrs;
2213 }
2214
2215 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2216 {
2217 const attr_t *attr;
2218 if (!attrs) return attrs;
2219 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2220 {
2221 if (!allowed_attr[attr->type].on_union)
2222 error_loc("inapplicable attribute %s for union\n",
2223 allowed_attr[attr->type].display_name);
2224 }
2225 return attrs;
2226 }
2227
2228 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2229 {
2230 const attr_t *attr;
2231 if (!attrs) return attrs;
2232 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2233 {
2234 if (!allowed_attr[attr->type].on_field)
2235 error_loc("inapplicable attribute %s for field %s\n",
2236 allowed_attr[attr->type].display_name, name);
2237 }
2238 return attrs;
2239 }
2240
2241 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2242 {
2243 const attr_t *attr;
2244 if (!attrs) return attrs;
2245 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2246 {
2247 if (!allowed_attr[attr->type].on_library)
2248 error_loc("inapplicable attribute %s for library %s\n",
2249 allowed_attr[attr->type].display_name, name);
2250 }
2251 return attrs;
2252 }
2253
2254 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2255 {
2256 const attr_t *attr;
2257 if (!attrs) return attrs;
2258 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2259 {
2260 if (!allowed_attr[attr->type].on_dispinterface)
2261 error_loc("inapplicable attribute %s for dispinterface %s\n",
2262 allowed_attr[attr->type].display_name, name);
2263 }
2264 return attrs;
2265 }
2266
2267 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2268 {
2269 const attr_t *attr;
2270 if (!attrs) return attrs;
2271 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2272 {
2273 if (!allowed_attr[attr->type].on_module)
2274 error_loc("inapplicable attribute %s for module %s\n",
2275 allowed_attr[attr->type].display_name, name);
2276 }
2277 return attrs;
2278 }
2279
2280 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2281 {
2282 const attr_t *attr;
2283 if (!attrs) return attrs;
2284 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2285 {
2286 if (!allowed_attr[attr->type].on_coclass)
2287 error_loc("inapplicable attribute %s for coclass %s\n",
2288 allowed_attr[attr->type].display_name, name);
2289 }
2290 return attrs;
2291 }
2292
2293 static int is_allowed_conf_type(const type_t *type)
2294 {
2295 switch (type_get_type(type))
2296 {
2297 case TYPE_ENUM:
2298 return TRUE;
2299 case TYPE_BASIC:
2300 switch (type_basic_get_type(type))
2301 {
2302 case TYPE_BASIC_INT8:
2303 case TYPE_BASIC_INT16:
2304 case TYPE_BASIC_INT32:
2305 case TYPE_BASIC_INT64:
2306 case TYPE_BASIC_INT:
2307 case TYPE_BASIC_CHAR:
2308 case TYPE_BASIC_HYPER:
2309 case TYPE_BASIC_BYTE:
2310 case TYPE_BASIC_WCHAR:
2311 return TRUE;
2312 default:
2313 return FALSE;
2314 }
2315 case TYPE_ALIAS:
2316 /* shouldn't get here because of type_get_type call above */
2317 assert(0);
2318 /* fall through */
2319 case TYPE_STRUCT:
2320 case TYPE_UNION:
2321 case TYPE_ENCAPSULATED_UNION:
2322 case TYPE_ARRAY:
2323 case TYPE_POINTER:
2324 case TYPE_VOID:
2325 case TYPE_MODULE:
2326 case TYPE_COCLASS:
2327 case TYPE_FUNCTION:
2328 case TYPE_INTERFACE:
2329 case TYPE_BITFIELD:
2330 return FALSE;
2331 }
2332 return FALSE;
2333 }
2334
2335 static int is_ptr_guid_type(const type_t *type)
2336 {
2337 /* first, make sure it is a pointer to something */
2338 if (!is_ptr(type)) return FALSE;
2339
2340 /* second, make sure it is a pointer to something of size sizeof(GUID),
2341 * i.e. 16 bytes */
2342 return (type_memsize(type_pointer_get_ref(type)) == 16);
2343 }
2344
2345 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2346 {
2347 expr_t *dim;
2348 struct expr_loc expr_loc;
2349 expr_loc.v = arg;
2350 expr_loc.attr = attr_name;
2351 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2352 {
2353 if (dim->type != EXPR_VOID)
2354 {
2355 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2356 if (!is_allowed_conf_type(expr_type))
2357 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2358 attr_name);
2359 }
2360 }
2361 }
2362
2363 static void check_remoting_fields(const var_t *var, type_t *type);
2364
2365 /* checks that properties common to fields and arguments are consistent */
2366 static void check_field_common(const type_t *container_type,
2367 const char *container_name, const var_t *arg)
2368 {
2369 type_t *type = arg->type;
2370 int more_to_do;
2371 const char *container_type_name;
2372 const char *var_type;
2373
2374 switch (type_get_type(container_type))
2375 {
2376 case TYPE_STRUCT:
2377 container_type_name = "struct";
2378 var_type = "field";
2379 break;
2380 case TYPE_UNION:
2381 container_type_name = "union";
2382 var_type = "arm";
2383 break;
2384 case TYPE_ENCAPSULATED_UNION:
2385 container_type_name = "encapsulated union";
2386 var_type = "arm";
2387 break;
2388 case TYPE_FUNCTION:
2389 container_type_name = "function";
2390 var_type = "parameter";
2391 break;
2392 default:
2393 /* should be no other container types */
2394 assert(0);
2395 return;
2396 }
2397
2398 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2399 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2400 error_loc_info(&arg->loc_info,
2401 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2402 arg->name);
2403
2404 if (is_attr(arg->attrs, ATTR_SIZEIS))
2405 {
2406 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2407 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2408 }
2409 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2410 {
2411 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2412 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2413 }
2414 if (is_attr(arg->attrs, ATTR_IIDIS))
2415 {
2416 struct expr_loc expr_loc;
2417 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2418 if (expr->type != EXPR_VOID)
2419 {
2420 const type_t *expr_type;
2421 expr_loc.v = arg;
2422 expr_loc.attr = "iid_is";
2423 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2424 if (!expr_type || !is_ptr_guid_type(expr_type))
2425 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2426 }
2427 }
2428 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2429 {
2430 struct expr_loc expr_loc;
2431 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2432 if (expr->type != EXPR_VOID)
2433 {
2434 const type_t *expr_type;
2435 expr_loc.v = arg;
2436 expr_loc.attr = "switch_is";
2437 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2438 if (!expr_type || !is_allowed_conf_type(expr_type))
2439 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2440 expr_loc.attr);
2441 }
2442 }
2443
2444 do
2445 {
2446 more_to_do = FALSE;
2447
2448 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2449 {
2450 case TGT_STRUCT:
2451 case TGT_UNION:
2452 check_remoting_fields(arg, type);
2453 break;
2454 case TGT_INVALID:
2455 {
2456 const char *reason = "is invalid";
2457 switch (type_get_type(type))
2458 {
2459 case TYPE_VOID:
2460 reason = "cannot derive from void *";
2461 break;
2462 case TYPE_FUNCTION:
2463 reason = "cannot be a function pointer";
2464 break;
2465 case TYPE_BITFIELD:
2466 reason = "cannot be a bit-field";
2467 break;
2468 case TYPE_COCLASS:
2469 reason = "cannot be a class";
2470 break;
2471 case TYPE_INTERFACE:
2472 reason = "cannot be a non-pointer to an interface";
2473 break;
2474 case TYPE_MODULE:
2475 reason = "cannot be a module";
2476 break;
2477 default:
2478 break;
2479 }
2480 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2481 var_type, arg->name, container_type_name, container_name, reason);
2482 break;
2483 }
2484 case TGT_CTXT_HANDLE:
2485 case TGT_CTXT_HANDLE_POINTER:
2486 if (type_get_type(container_type) != TYPE_FUNCTION)
2487 error_loc_info(&arg->loc_info,
2488 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2489 var_type, arg->name, container_type_name,
2490 container_name);
2491 break;
2492 case TGT_STRING:
2493 {
2494 const type_t *t = type;
2495 while (is_ptr(t))
2496 t = type_pointer_get_ref(t);
2497 if (is_aliaschain_attr(t, ATTR_RANGE))
2498 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2499 break;
2500 }
2501 case TGT_POINTER:
2502 type = type_pointer_get_ref(type);
2503 more_to_do = TRUE;
2504 break;
2505 case TGT_ARRAY:
2506 type = type_array_get_element(type);
2507 more_to_do = TRUE;
2508 break;
2509 case TGT_USER_TYPE:
2510 case TGT_IFACE_POINTER:
2511 case TGT_BASIC:
2512 case TGT_ENUM:
2513 case TGT_RANGE:
2514 /* nothing to do */
2515 break;
2516 }
2517 } while (more_to_do);
2518 }
2519
2520 static void check_remoting_fields(const var_t *var, type_t *type)
2521 {
2522 const var_t *field;
2523 const var_list_t *fields = NULL;
2524
2525 type = type_get_real_type(type);
2526
2527 if (type->checked)
2528 return;
2529
2530 type->checked = TRUE;
2531
2532 if (type_get_type(type) == TYPE_STRUCT)
2533 {
2534 if (type_is_complete(type))
2535 fields = type_struct_get_fields(type);
2536 else
2537 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2538 }
2539 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2540 fields = type_union_get_cases(type);
2541
2542 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2543 if (field->type) check_field_common(type, type->name, field);
2544 }
2545
2546 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2547 static void check_remoting_args(const var_t *func)
2548 {
2549 const char *funcname = func->name;
2550 const var_t *arg;
2551
2552 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2553 {
2554 const type_t *type = arg->type;
2555
2556 /* check that [out] parameters have enough pointer levels */
2557 if (is_attr(arg->attrs, ATTR_OUT))
2558 {
2559 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2560 {
2561 case TGT_BASIC:
2562 case TGT_ENUM:
2563 case TGT_RANGE:
2564 case TGT_STRUCT:
2565 case TGT_UNION:
2566 case TGT_CTXT_HANDLE:
2567 case TGT_USER_TYPE:
2568 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2569 break;
2570 case TGT_IFACE_POINTER:
2571 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2572 break;
2573 case TGT_STRING:
2574 if (is_array(type))
2575 {
2576 /* needs conformance or fixed dimension */
2577 if (type_array_has_conformance(type) &&
2578 type_array_get_conformance(type)->type != EXPR_VOID) break;
2579 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2580 }
2581 if (is_attr( arg->attrs, ATTR_IN )) break;
2582 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2583 break;
2584 case TGT_INVALID:
2585 /* already error'd before we get here */
2586 case TGT_CTXT_HANDLE_POINTER:
2587 case TGT_POINTER:
2588 case TGT_ARRAY:
2589 /* OK */
2590 break;
2591 }
2592 }
2593
2594 check_field_common(func->type, funcname, arg);
2595 }
2596
2597 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2598 {
2599 var_t var;
2600 var = *func;
2601 var.type = type_function_get_rettype(func->type);
2602 var.name = xstrdup("return value");
2603 check_field_common(func->type, funcname, &var);
2604 free(var.name);
2605 }
2606 }
2607
2608 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2609 {
2610 unsigned char explicit_fc, implicit_fc;
2611
2612 /* check for a defined binding handle */
2613 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2614 {
2615 /* no explicit handle specified so add
2616 * "[in] handle_t IDL_handle" as the first parameter to the
2617 * function */
2618 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2619 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2620 idl_handle->type = find_type_or_error("handle_t", 0);
2621 type_function_add_head_arg(func->type, idl_handle);
2622 }
2623 }
2624
2625 static void check_functions(const type_t *iface, int is_inside_library)
2626 {
2627 const statement_t *stmt;
2628 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2629 {
2630 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2631 {
2632 var_t *func = stmt->u.var;
2633 add_explicit_handle_if_necessary(iface, func);
2634 }
2635 }
2636 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2637 {
2638 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2639 {
2640 const var_t *func = stmt->u.var;
2641 if (!is_attr(func->attrs, ATTR_LOCAL))
2642 check_remoting_args(func);
2643 }
2644 }
2645 }
2646
2647 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2648 {
2649 const statement_t *stmt;
2650
2651 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2652 {
2653 if (stmt->type == STMT_LIBRARY)
2654 check_statements(stmt->u.lib->stmts, TRUE);
2655 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2656 check_functions(stmt->u.type, is_inside_library);
2657 }
2658 }
2659
2660 static void check_all_user_types(const statement_list_t *stmts)
2661 {
2662 const statement_t *stmt;
2663
2664 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2665 {
2666 if (stmt->type == STMT_LIBRARY)
2667 check_all_user_types(stmt->u.lib->stmts);
2668 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2669 !is_local(stmt->u.type->attrs))
2670 {
2671 const statement_t *stmt_func;
2672 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2673 const var_t *func = stmt_func->u.var;
2674 check_for_additional_prototype_types(func->type->details.function->args);
2675 }
2676 }
2677 }
2678 }
2679
2680 int is_valid_uuid(const char *s)
2681 {
2682 int i;
2683
2684 for (i = 0; i < 36; ++i)
2685 if (i == 8 || i == 13 || i == 18 || i == 23)
2686 {
2687 if (s[i] != '-')
2688 return FALSE;
2689 }
2690 else
2691 if (!isxdigit(s[i]))
2692 return FALSE;
2693
2694 return s[i] == '\0';
2695 }
2696
2697 static statement_t *make_statement(enum statement_type type)
2698 {
2699 statement_t *stmt = xmalloc(sizeof(*stmt));
2700 stmt->type = type;
2701 return stmt;
2702 }
2703
2704 static statement_t *make_statement_type_decl(type_t *type)
2705 {
2706 statement_t *stmt = make_statement(STMT_TYPE);
2707 stmt->u.type = type;
2708 return stmt;
2709 }
2710
2711 static statement_t *make_statement_reference(type_t *type)
2712 {
2713 statement_t *stmt = make_statement(STMT_TYPEREF);
2714 stmt->u.type = type;
2715 return stmt;
2716 }
2717
2718 static statement_t *make_statement_declaration(var_t *var)
2719 {
2720 statement_t *stmt = make_statement(STMT_DECLARATION);
2721 stmt->u.var = var;
2722 if (var->stgclass == STG_EXTERN && var->eval)
2723 warning("'%s' initialised and declared extern\n", var->name);
2724 if (is_const_decl(var))
2725 {
2726 if (var->eval)
2727 reg_const(var);
2728 }
2729 else if (type_get_type(var->type) == TYPE_FUNCTION)
2730 check_function_attrs(var->name, var->attrs);
2731 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2732 error_loc("instantiation of data is illegal\n");
2733 return stmt;
2734 }
2735
2736 static statement_t *make_statement_library(typelib_t *typelib)
2737 {
2738 statement_t *stmt = make_statement(STMT_LIBRARY);
2739 stmt->u.lib = typelib;
2740 return stmt;
2741 }
2742
2743 static statement_t *make_statement_cppquote(const char *str)
2744 {
2745 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2746 stmt->u.str = str;
2747 return stmt;
2748 }
2749
2750 static statement_t *make_statement_importlib(const char *str)
2751 {
2752 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2753 stmt->u.str = str;
2754 return stmt;
2755 }
2756
2757 static statement_t *make_statement_import(const char *str)
2758 {
2759 statement_t *stmt = make_statement(STMT_IMPORT);
2760 stmt->u.str = str;
2761 return stmt;
2762 }
2763
2764 static statement_t *make_statement_module(type_t *type)
2765 {
2766 statement_t *stmt = make_statement(STMT_MODULE);
2767 stmt->u.type = type;
2768 return stmt;
2769 }
2770
2771 static statement_t *make_statement_typedef(declarator_list_t *decls)
2772 {
2773 declarator_t *decl, *next;
2774 statement_t *stmt;
2775 type_list_t **type_list;
2776
2777 if (!decls) return NULL;
2778
2779 stmt = make_statement(STMT_TYPEDEF);
2780 stmt->u.type_list = NULL;
2781 type_list = &stmt->u.type_list;
2782
2783 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2784 {
2785 var_t *var = decl->var;
2786 type_t *type = find_type_or_error(var->name, 0);
2787 *type_list = xmalloc(sizeof(type_list_t));
2788 (*type_list)->type = type;
2789 (*type_list)->next = NULL;
2790
2791 type_list = &(*type_list)->next;
2792 free(decl);
2793 free(var);
2794 }
2795
2796 return stmt;
2797 }
2798
2799 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2800 {
2801 if (!stmt) return list;
2802 if (!list)
2803 {
2804 list = xmalloc( sizeof(*list) );
2805 list_init( list );
2806 }
2807 list_add_tail( list, &stmt->entry );
2808 return list;
2809 }
2810
2811 void init_loc_info(loc_info_t *i)
2812 {
2813 i->input_name = input_name ? input_name : "stdin";
2814 i->line_number = line_number;
2815 i->near_text = parser_text;
2816 }
2817
2818 static void check_def(const type_t *t)
2819 {
2820 if (t->defined)
2821 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2822 t->name, t->loc_info.input_name, t->loc_info.line_number);
2823 }
Windows API implementation