?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
shell32: Fix a copy & paste typo.
[wine/multimedia.git] / tools / widl / parser.y
blobb7fa2f6d97efdf8e5e9fecd70a11810a2a5aa279
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 enum expr_type type = EXPR_NUM;
624 if (last->eval->type == EXPR_HEXNUM) type = EXPR_HEXNUM;
625 if (last->eval->cval + 1 < 0) type = EXPR_HEXNUM;
626 $3->eval = make_exprl(type, last->eval->cval + 1);
627 }
628 $$ = append_var( $1, $3 );
629 }
630 ;
631
632 enum: ident '=' expr_int_const { $$ = reg_const($1);
633 $$->eval = $3;
634 $$->type = type_new_int(TYPE_BASIC_INT, 0);
635 }
636 | ident { $$ = reg_const($1);
637 $$->type = type_new_int(TYPE_BASIC_INT, 0);
638 }
639 ;
640
641 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
642 ;
643
644 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
645 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
646 ;
647
648 m_expr: { $$ = make_expr(EXPR_VOID); }
649 | expr
650 ;
651
652 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
653 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
654 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
655 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
656 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
657 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
658 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
659 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
660 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
661 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
662 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
663 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
664 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
665 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
666 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
667 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
668 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
669 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
670 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
671 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
672 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
673 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
674 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
675 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
676 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
677 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
678 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
679 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
680 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
681 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
682 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
683 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
684 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
685 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
686 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
687 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
688 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
689 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
690 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
691 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
692 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
693 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
694 | '(' expr ')' { $$ = $2; }
695 ;
696
697 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
698 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
699 ;
700
701 expr_int_const: expr { $$ = $1;
702 if (!$$->is_const)
703 error_loc("expression is not an integer constant\n");
704 }
705 ;
706
707 expr_const: expr { $$ = $1;
708 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
709 error_loc("expression is not constant\n");
710 }
711 ;
712
713 fields: { $$ = NULL; }
714 | fields field { $$ = append_var_list($1, $2); }
715 ;
716
717 field: m_attributes decl_spec struct_declarator_list ';'
718 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
719 check_field_attrs(first, $1);
720 $$ = set_var_types($1, $2, $3);
721 }
722 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
723 v->type = $2; v->attrs = $1;
724 $$ = append_var(NULL, v);
725 }
726 ;
727
728 ne_union_field:
729 s_field ';' { $$ = $1; }
730 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
731 ;
732
733 ne_union_fields: { $$ = NULL; }
734 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
735 ;
736
737 union_field:
738 s_field ';' { $$ = $1; }
739 | ';' { $$ = NULL; }
740 ;
741
742 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
743 $2, $3, FALSE);
744 free($3);
745 }
746 | m_attributes structdef { var_t *v = make_var(NULL);
747 v->type = $2; v->attrs = $1;
748 $$ = v;
749 }
750 ;
751
752 funcdef: declaration { $$ = $1;
753 if (type_get_type($$->type) != TYPE_FUNCTION)
754 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
755 check_function_attrs($$->name, $$->attrs);
756 }
757 ;
758
759 declaration:
760 attributes decl_spec init_declarator
761 { $$ = declare_var($1, $2, $3, FALSE);
762 free($3);
763 }
764 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
765 free($2);
766 }
767 ;
768
769 m_ident: { $$ = NULL; }
770 | ident
771 ;
772
773 t_ident: { $$ = NULL; }
774 | aIDENTIFIER { $$ = $1; }
775 | aKNOWNTYPE { $$ = $1; }
776 ;
777
778 ident: aIDENTIFIER { $$ = make_var($1); }
779 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
780 | aKNOWNTYPE { $$ = make_var($<str>1); }
781 ;
782
783 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
784 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
785 | int_std
786 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
787 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
788 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
789 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
790 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
791 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
792 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
793 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
794 ;
795
796 m_int:
797 | tINT
798 ;
799
800 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
801 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
802 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
803 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
804 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
805 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
806 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
807 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
808 ;
809
810 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
811 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
812 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
813 error_loc("%s was not declared a coclass at %s:%d\n",
814 $2, $$->loc_info.input_name,
815 $$->loc_info.line_number);
816 }
817 ;
818
819 coclasshdr: attributes coclass { $$ = $2;
820 check_def($$);
821 $$->attrs = check_coclass_attrs($2->name, $1);
822 }
823 ;
824
825 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
826 { $$ = type_coclass_define($1, $3); }
827 ;
828
829 coclass_ints: { $$ = NULL; }
830 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
831 ;
832
833 coclass_int:
834 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
835 ;
836
837 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
838 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
839 ;
840
841 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
842 $$ = $2;
843 check_def($$);
844 attrs = make_attr(ATTR_DISPINTERFACE);
845 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
846 $$->defined = TRUE;
847 }
848 ;
849
850 dispint_props: tPROPERTIES ':' { $$ = NULL; }
851 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
852 ;
853
854 dispint_meths: tMETHODS ':' { $$ = NULL; }
855 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
856 ;
857
858 dispinterfacedef: dispinterfacehdr '{'
859 dispint_props
860 dispint_meths
861 '}' { $$ = $1;
862 type_dispinterface_define($$, $3, $4);
863 }
864 | dispinterfacehdr
865 '{' interface ';' '}' { $$ = $1;
866 type_dispinterface_define_from_iface($$, $3);
867 }
868 ;
869
870 inherit: { $$ = NULL; }
871 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
872 ;
873
874 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
875 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
876 ;
877
878 interfacehdr: attributes interface { $$.interface = $2;
879 $$.old_pointer_default = pointer_default;
880 if (is_attr($1, ATTR_POINTERDEFAULT))
881 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
882 check_def($2);
883 $2->attrs = check_iface_attrs($2->name, $1);
884 $2->defined = TRUE;
885 }
886 ;
887
888 interfacedef: interfacehdr inherit
889 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
890 if($$ == $2)
891 error_loc("Interface can't inherit from itself\n");
892 type_interface_define($$, $2, $4);
893 pointer_default = $1.old_pointer_default;
894 }
895 /* MIDL is able to import the definition of a base class from inside the
896 * definition of a derived class, I'll try to support it with this rule */
897 | interfacehdr ':' aIDENTIFIER
898 '{' import int_statements '}'
899 semicolon_opt { $$ = $1.interface;
900 type_interface_define($$, find_type_or_error2($3, 0), $6);
901 pointer_default = $1.old_pointer_default;
902 }
903 | dispinterfacedef semicolon_opt { $$ = $1; }
904 ;
905
906 interfacedec:
907 interface ';' { $$ = $1; }
908 | dispinterface ';' { $$ = $1; }
909 ;
910
911 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
912 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
913 ;
914
915 modulehdr: attributes module { $$ = $2;
916 $$->attrs = check_module_attrs($2->name, $1);
917 }
918 ;
919
920 moduledef: modulehdr '{' int_statements '}'
921 semicolon_opt { $$ = $1;
922 type_module_define($$, $3);
923 }
924 ;
925
926 storage_cls_spec:
927 tEXTERN { $$ = STG_EXTERN; }
928 | tSTATIC { $$ = STG_STATIC; }
929 | tREGISTER { $$ = STG_REGISTER; }
930 ;
931
932 function_specifier:
933 tINLINE { $$ = make_attr(ATTR_INLINE); }
934 ;
935
936 type_qualifier:
937 tCONST { $$ = make_attr(ATTR_CONST); }
938 ;
939
940 m_type_qual_list: { $$ = NULL; }
941 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
942 ;
943
944 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
945 | decl_spec_no_type type m_decl_spec_no_type
946 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
947 ;
948
949 m_decl_spec_no_type: { $$ = NULL; }
950 | decl_spec_no_type
951 ;
952
953 decl_spec_no_type:
954 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
955 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
956 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
957 ;
958
959 declarator:
960 '*' m_type_qual_list declarator %prec PPTR
961 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
962 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
963 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
964 | direct_declarator
965 ;
966
967 direct_declarator:
968 ident { $$ = make_declarator($1); }
969 | '(' declarator ')' { $$ = $2; }
970 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
971 | direct_declarator '(' m_args ')' { $$ = $1;
972 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
973 $$->type = NULL;
974 }
975 ;
976
977 /* abstract declarator */
978 abstract_declarator:
979 '*' m_type_qual_list m_abstract_declarator %prec PPTR
980 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
981 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
982 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
983 | abstract_direct_declarator
984 ;
985
986 /* abstract declarator without accepting direct declarator */
987 abstract_declarator_no_direct:
988 '*' m_type_qual_list m_any_declarator %prec PPTR
989 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
990 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
991 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
992 ;
993
994 /* abstract declarator or empty */
995 m_abstract_declarator: { $$ = make_declarator(NULL); }
996 | abstract_declarator
997 ;
998
999 /* abstract direct declarator */
1000 abstract_direct_declarator:
1001 '(' abstract_declarator_no_direct ')' { $$ = $2; }
1002 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1003 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1004 | '(' m_args ')'
1005 { $$ = make_declarator(NULL);
1006 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1007 $$->type = NULL;
1008 }
1009 | abstract_direct_declarator '(' m_args ')'
1010 { $$ = $1;
1011 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1012 $$->type = NULL;
1013 }
1014 ;
1015
1016 /* abstract or non-abstract declarator */
1017 any_declarator:
1018 '*' m_type_qual_list m_any_declarator %prec PPTR
1019 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1020 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1021 | any_direct_declarator
1022 ;
1023
1024 /* abstract or non-abstract declarator without accepting direct declarator */
1025 any_declarator_no_direct:
1026 '*' m_type_qual_list m_any_declarator %prec PPTR
1027 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1028 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1029 ;
1030
1031 /* abstract or non-abstract declarator or empty */
1032 m_any_declarator: { $$ = make_declarator(NULL); }
1033 | any_declarator
1034 ;
1035
1036 /* abstract or non-abstract direct declarator. note: direct declarators
1037 * aren't accepted inside brackets to avoid ambiguity with the rule for
1038 * function arguments */
1039 any_direct_declarator:
1040 ident { $$ = make_declarator($1); }
1041 | '(' any_declarator_no_direct ')' { $$ = $2; }
1042 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1043 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1044 | '(' m_args ')'
1045 { $$ = make_declarator(NULL);
1046 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1047 $$->type = NULL;
1048 }
1049 | any_direct_declarator '(' m_args ')'
1050 { $$ = $1;
1051 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1052 $$->type = NULL;
1053 }
1054 ;
1055
1056 declarator_list:
1057 declarator { $$ = append_declarator( NULL, $1 ); }
1058 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1059 ;
1060
1061 m_bitfield: { $$ = NULL; }
1062 | ':' expr_const { $$ = $2; }
1063 ;
1064
1065 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1066 if (!$$->bits && !$$->var->name)
1067 error_loc("unnamed fields are not allowed\n");
1068 }
1069 ;
1070
1071 struct_declarator_list:
1072 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1073 | struct_declarator_list ',' struct_declarator
1074 { $$ = append_declarator( $1, $3 ); }
1075 ;
1076
1077 init_declarator:
1078 declarator { $$ = $1; }
1079 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1080 ;
1081
1082 threading_type:
1083 tAPARTMENT { $$ = THREADING_APARTMENT; }
1084 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1085 | tSINGLE { $$ = THREADING_SINGLE; }
1086 | tFREE { $$ = THREADING_FREE; }
1087 | tBOTH { $$ = THREADING_BOTH; }
1088 ;
1089
1090 pointer_type:
1091 tREF { $$ = RPC_FC_RP; }
1092 | tUNIQUE { $$ = RPC_FC_UP; }
1093 | tPTR { $$ = RPC_FC_FP; }
1094 ;
1095
1096 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1097 ;
1098
1099 type: tVOID { $$ = type_new_void(); }
1100 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1101 | base_type { $$ = $1; }
1102 | enumdef { $$ = $1; }
1103 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1104 | structdef { $$ = $1; }
1105 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1106 | uniondef { $$ = $1; }
1107 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1108 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1109 ;
1110
1111 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1112 { reg_typedefs($3, $4, check_typedef_attrs($2));
1113 $$ = make_statement_typedef($4);
1114 }
1115 ;
1116
1117 uniondef: tUNION t_ident '{' ne_union_fields '}'
1118 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1119 | tUNION t_ident
1120 tSWITCH '(' s_field ')'
1121 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1122 ;
1123
1124 version:
1125 aNUM { $$ = MAKEVERSION($1, 0); }
1126 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1127 ;
1128
1129 %%
1130
1131 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1132 {
1133 type_t *t = type_new_basic(type);
1134 reg_type(t, name, 0);
1135 }
1136
1137 static void decl_builtin_alias(const char *name, type_t *t)
1138 {
1139 reg_type(type_new_alias(t, name), name, 0);
1140 }
1141
1142 void init_types(void)
1143 {
1144 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1145 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1146 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1147 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1148 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1149 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1150 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1151 }
1152
1153 static str_list_t *append_str(str_list_t *list, char *str)
1154 {
1155 struct str_list_entry_t *entry;
1156
1157 if (!str) return list;
1158 if (!list)
1159 {
1160 list = xmalloc( sizeof(*list) );
1161 list_init( list );
1162 }
1163 entry = xmalloc( sizeof(*entry) );
1164 entry->str = str;
1165 list_add_tail( list, &entry->entry );
1166 return list;
1167 }
1168
1169 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1170 {
1171 attr_t *attr_existing;
1172 if (!attr) return list;
1173 if (!list)
1174 {
1175 list = xmalloc( sizeof(*list) );
1176 list_init( list );
1177 }
1178 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1179 if (attr_existing->type == attr->type)
1180 {
1181 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1182 /* use the last attribute, like MIDL does */
1183 list_remove(&attr_existing->entry);
1184 break;
1185 }
1186 list_add_tail( list, &attr->entry );
1187 return list;
1188 }
1189
1190 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1191 {
1192 attr_t *attr;
1193 if (!src) return dst;
1194 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1195 if (attr->type == type)
1196 {
1197 list_remove(&attr->entry);
1198 return append_attr(dst, attr);
1199 }
1200 return dst;
1201 }
1202
1203 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1204 {
1205 struct list *entry;
1206
1207 if (!old_list) return new_list;
1208
1209 while ((entry = list_head(old_list)))
1210 {
1211 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1212 list_remove(entry);
1213 new_list = append_attr(new_list, attr);
1214 }
1215 return new_list;
1216 }
1217
1218 static attr_list_t *dupattrs(const attr_list_t *list)
1219 {
1220 attr_list_t *new_list;
1221 const attr_t *attr;
1222
1223 if (!list) return NULL;
1224
1225 new_list = xmalloc( sizeof(*list) );
1226 list_init( new_list );
1227 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1228 {
1229 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1230 *new_attr = *attr;
1231 list_add_tail(new_list, &new_attr->entry);
1232 }
1233 return new_list;
1234 }
1235
1236 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)
1237 {
1238 decl_spec_t *declspec = left ? left : right;
1239 if (!declspec)
1240 {
1241 declspec = xmalloc(sizeof(*declspec));
1242 declspec->type = NULL;
1243 declspec->attrs = NULL;
1244 declspec->stgclass = STG_NONE;
1245 }
1246 declspec->type = type;
1247 if (left && declspec != left)
1248 {
1249 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1250 if (declspec->stgclass == STG_NONE)
1251 declspec->stgclass = left->stgclass;
1252 else if (left->stgclass != STG_NONE)
1253 error_loc("only one storage class can be specified\n");
1254 assert(!left->type);
1255 free(left);
1256 }
1257 if (right && declspec != right)
1258 {
1259 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1260 if (declspec->stgclass == STG_NONE)
1261 declspec->stgclass = right->stgclass;
1262 else if (right->stgclass != STG_NONE)
1263 error_loc("only one storage class can be specified\n");
1264 assert(!right->type);
1265 free(right);
1266 }
1267
1268 declspec->attrs = append_attr(declspec->attrs, attr);
1269 if (declspec->stgclass == STG_NONE)
1270 declspec->stgclass = stgclass;
1271 else if (stgclass != STG_NONE)
1272 error_loc("only one storage class can be specified\n");
1273
1274 /* apply attributes to type */
1275 if (type && declspec->attrs)
1276 {
1277 attr_list_t *attrs;
1278 declspec->type = duptype(type, 1);
1279 attrs = dupattrs(type->attrs);
1280 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1281 declspec->attrs = NULL;
1282 }
1283
1284 return declspec;
1285 }
1286
1287 static attr_t *make_attr(enum attr_type type)
1288 {
1289 attr_t *a = xmalloc(sizeof(attr_t));
1290 a->type = type;
1291 a->u.ival = 0;
1292 return a;
1293 }
1294
1295 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1296 {
1297 attr_t *a = xmalloc(sizeof(attr_t));
1298 a->type = type;
1299 a->u.ival = val;
1300 return a;
1301 }
1302
1303 static attr_t *make_attrp(enum attr_type type, void *val)
1304 {
1305 attr_t *a = xmalloc(sizeof(attr_t));
1306 a->type = type;
1307 a->u.pval = val;
1308 return a;
1309 }
1310
1311 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1312 {
1313 if (!expr) return list;
1314 if (!list)
1315 {
1316 list = xmalloc( sizeof(*list) );
1317 list_init( list );
1318 }
1319 list_add_tail( list, &expr->entry );
1320 return list;
1321 }
1322
1323 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1324 {
1325 if (!expr) return list;
1326 if (!list)
1327 {
1328 list = xmalloc( sizeof(*list) );
1329 list_init( list );
1330 }
1331 list_add_tail( list, &expr->entry );
1332 return list;
1333 }
1334
1335 static struct list type_pool = LIST_INIT(type_pool);
1336 typedef struct
1337 {
1338 type_t data;
1339 struct list link;
1340 } type_pool_node_t;
1341
1342 type_t *alloc_type(void)
1343 {
1344 type_pool_node_t *node = xmalloc(sizeof *node);
1345 list_add_tail(&type_pool, &node->link);
1346 return &node->data;
1347 }
1348
1349 void set_all_tfswrite(int val)
1350 {
1351 type_pool_node_t *node;
1352 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1353 node->data.tfswrite = val;
1354 }
1355
1356 void clear_all_offsets(void)
1357 {
1358 type_pool_node_t *node;
1359 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1360 node->data.typestring_offset = node->data.ptrdesc = 0;
1361 }
1362
1363 static void type_function_add_head_arg(type_t *type, var_t *arg)
1364 {
1365 if (!type->details.function->args)
1366 {
1367 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1368 list_init( type->details.function->args );
1369 }
1370 list_add_head( type->details.function->args, &arg->entry );
1371 }
1372
1373 static int is_allowed_range_type(const type_t *type)
1374 {
1375 switch (type_get_type(type))
1376 {
1377 case TYPE_ENUM:
1378 return TRUE;
1379 case TYPE_BASIC:
1380 switch (type_basic_get_type(type))
1381 {
1382 case TYPE_BASIC_INT8:
1383 case TYPE_BASIC_INT16:
1384 case TYPE_BASIC_INT32:
1385 case TYPE_BASIC_INT64:
1386 case TYPE_BASIC_INT:
1387 case TYPE_BASIC_INT3264:
1388 case TYPE_BASIC_BYTE:
1389 case TYPE_BASIC_CHAR:
1390 case TYPE_BASIC_WCHAR:
1391 case TYPE_BASIC_HYPER:
1392 return TRUE;
1393 case TYPE_BASIC_FLOAT:
1394 case TYPE_BASIC_DOUBLE:
1395 case TYPE_BASIC_ERROR_STATUS_T:
1396 case TYPE_BASIC_HANDLE:
1397 return FALSE;
1398 }
1399 return FALSE;
1400 default:
1401 return FALSE;
1402 }
1403 }
1404
1405 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1406 {
1407 type_t *ptrchain_type;
1408 if (!ptrchain)
1409 return type;
1410 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1411 ;
1412 assert(ptrchain_type->type_type == TYPE_POINTER);
1413 ptrchain_type->details.pointer.ref = type;
1414 return ptrchain;
1415 }
1416
1417 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1418 int top)
1419 {
1420 var_t *v = decl->var;
1421 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1422 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1423 int sizeless;
1424 expr_t *dim;
1425 type_t **ptype;
1426 array_dims_t *arr = decl ? decl->array : NULL;
1427 type_t *func_type = decl ? decl->func_type : NULL;
1428 type_t *type = decl_spec->type;
1429
1430 if (is_attr(type->attrs, ATTR_INLINE))
1431 {
1432 if (!func_type)
1433 error_loc("inline attribute applied to non-function type\n");
1434 else
1435 {
1436 type_t *t;
1437 /* move inline attribute from return type node to function node */
1438 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1439 ;
1440 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1441 }
1442 }
1443
1444 /* add type onto the end of the pointers in pident->type */
1445 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1446 v->stgclass = decl_spec->stgclass;
1447 v->attrs = attrs;
1448
1449 /* check for pointer attribute being applied to non-pointer, non-array
1450 * type */
1451 if (!arr)
1452 {
1453 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1454 const type_t *ptr = NULL;
1455 /* pointer attributes on the left side of the type belong to the function
1456 * pointer, if one is being declared */
1457 type_t **pt = func_type ? &func_type : &v->type;
1458 for (ptr = *pt; ptr && !ptr_attr; )
1459 {
1460 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1461 if (!ptr_attr && type_is_alias(ptr))
1462 ptr = type_alias_get_aliasee(ptr);
1463 else
1464 break;
1465 }
1466 if (is_ptr(ptr))
1467 {
1468 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1469 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1470 warning_loc_info(&v->loc_info,
1471 "%s: pointer attribute applied to interface "
1472 "pointer type has no effect\n", v->name);
1473 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1474 {
1475 /* FIXME: this is a horrible hack to cope with the issue that we
1476 * store an offset to the typeformat string in the type object, but
1477 * two typeformat strings may be written depending on whether the
1478 * pointer is a toplevel parameter or not */
1479 *pt = duptype(*pt, 1);
1480 }
1481 }
1482 else if (ptr_attr)
1483 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1484 }
1485
1486 if (is_attr(v->attrs, ATTR_STRING))
1487 {
1488 type_t *t = type;
1489
1490 if (!is_ptr(v->type) && !arr)
1491 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1492 v->name);
1493
1494 while (is_ptr(t))
1495 t = type_pointer_get_ref(t);
1496
1497 if (type_get_type(t) != TYPE_BASIC &&
1498 (get_basic_fc(t) != RPC_FC_CHAR &&
1499 get_basic_fc(t) != RPC_FC_BYTE &&
1500 get_basic_fc(t) != RPC_FC_WCHAR))
1501 {
1502 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1503 v->name);
1504 }
1505 }
1506
1507 if (is_attr(v->attrs, ATTR_V1ENUM))
1508 {
1509 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1510 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1511 }
1512
1513 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1514 error_loc("'%s': [range] attribute applied to non-integer type\n",
1515 v->name);
1516
1517 ptype = &v->type;
1518 sizeless = FALSE;
1519 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1520 {
1521 if (sizeless)
1522 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1523
1524 if (dim->is_const)
1525 {
1526 if (dim->cval <= 0)
1527 error_loc("%s: array dimension must be positive\n", v->name);
1528
1529 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1530 if (0)
1531 {
1532 unsigned int size = type_memsize(v->type);
1533
1534 if (0xffffffffu / size < dim->cval)
1535 error_loc("%s: total array size is too large\n", v->name);
1536 }
1537 }
1538 else
1539 sizeless = TRUE;
1540
1541 *ptype = type_new_array(NULL, *ptype, FALSE,
1542 dim->is_const ? dim->cval : 0,
1543 dim->is_const ? NULL : dim, NULL,
1544 pointer_default);
1545 }
1546
1547 ptype = &v->type;
1548 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1549 {
1550 if (dim->type != EXPR_VOID)
1551 {
1552 if (is_array(*ptype))
1553 {
1554 if (!type_array_get_conformance(*ptype) ||
1555 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1556 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1557 else
1558 *ptype = type_new_array((*ptype)->name,
1559 type_array_get_element(*ptype), FALSE,
1560 0, dim, NULL, 0);
1561 }
1562 else if (is_ptr(*ptype))
1563 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1564 0, dim, NULL, pointer_default);
1565 else
1566 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1567 }
1568
1569 if (is_ptr(*ptype))
1570 ptype = &(*ptype)->details.pointer.ref;
1571 else if (is_array(*ptype))
1572 ptype = &(*ptype)->details.array.elem;
1573 else
1574 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1575 }
1576
1577 ptype = &v->type;
1578 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1579 {
1580 if (dim->type != EXPR_VOID)
1581 {
1582 if (is_array(*ptype))
1583 {
1584 *ptype = type_new_array((*ptype)->name,
1585 type_array_get_element(*ptype),
1586 type_array_is_decl_as_ptr(*ptype),
1587 type_array_get_dim(*ptype),
1588 type_array_get_conformance(*ptype),
1589 dim, type_array_get_ptr_default_fc(*ptype));
1590 }
1591 else
1592 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1593 }
1594
1595 if (is_ptr(*ptype))
1596 ptype = &(*ptype)->details.pointer.ref;
1597 else if (is_array(*ptype))
1598 ptype = &(*ptype)->details.array.elem;
1599 else
1600 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1601 }
1602
1603 /* v->type is currently pointing to the type on the left-side of the
1604 * declaration, so we need to fix this up so that it is the return type of the
1605 * function and make v->type point to the function side of the declaration */
1606 if (func_type)
1607 {
1608 type_t *ft, *t;
1609 type_t *return_type = v->type;
1610 v->type = func_type;
1611 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1612 ;
1613 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1614 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1615 ft->details.function->retval->type = return_type;
1616 /* move calling convention attribute, if present, from pointer nodes to
1617 * function node */
1618 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1619 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1620 }
1621 else
1622 {
1623 type_t *t;
1624 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1625 if (is_attr(t->attrs, ATTR_CALLCONV))
1626 error_loc("calling convention applied to non-function-pointer type\n");
1627 }
1628
1629 if (decl->bits)
1630 v->type = type_new_bitfield(v->type, decl->bits);
1631
1632 return v;
1633 }
1634
1635 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1636 {
1637 declarator_t *decl, *next;
1638 var_list_t *var_list = NULL;
1639
1640 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1641 {
1642 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1643 var_list = append_var(var_list, var);
1644 free(decl);
1645 }
1646 free(decl_spec);
1647 return var_list;
1648 }
1649
1650 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1651 {
1652 if (!iface) return list;
1653 if (!list)
1654 {
1655 list = xmalloc( sizeof(*list) );
1656 list_init( list );
1657 }
1658 list_add_tail( list, &iface->entry );
1659 return list;
1660 }
1661
1662 static ifref_t *make_ifref(type_t *iface)
1663 {
1664 ifref_t *l = xmalloc(sizeof(ifref_t));
1665 l->iface = iface;
1666 l->attrs = NULL;
1667 return l;
1668 }
1669
1670 var_list_t *append_var(var_list_t *list, var_t *var)
1671 {
1672 if (!var) return list;
1673 if (!list)
1674 {
1675 list = xmalloc( sizeof(*list) );
1676 list_init( list );
1677 }
1678 list_add_tail( list, &var->entry );
1679 return list;
1680 }
1681
1682 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1683 {
1684 if (!vars) return list;
1685 if (!list)
1686 {
1687 list = xmalloc( sizeof(*list) );
1688 list_init( list );
1689 }
1690 list_move_tail( list, vars );
1691 return list;
1692 }
1693
1694 var_t *make_var(char *name)
1695 {
1696 var_t *v = xmalloc(sizeof(var_t));
1697 v->name = name;
1698 v->type = NULL;
1699 v->attrs = NULL;
1700 v->eval = NULL;
1701 v->stgclass = STG_NONE;
1702 init_loc_info(&v->loc_info);
1703 return v;
1704 }
1705
1706 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1707 {
1708 if (!d) return list;
1709 if (!list) {
1710 list = xmalloc(sizeof(*list));
1711 list_init(list);
1712 }
1713 list_add_tail(list, &d->entry);
1714 return list;
1715 }
1716
1717 static declarator_t *make_declarator(var_t *var)
1718 {
1719 declarator_t *d = xmalloc(sizeof(*d));
1720 d->var = var ? var : make_var(NULL);
1721 d->type = NULL;
1722 d->func_type = NULL;
1723 d->array = NULL;
1724 d->bits = NULL;
1725 return d;
1726 }
1727
1728 static type_t *make_safearray(type_t *type)
1729 {
1730 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1731 NULL, NULL, RPC_FC_RP);
1732 }
1733
1734 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1735 {
1736 typelib_t *typelib = xmalloc(sizeof(*typelib));
1737 typelib->name = xstrdup(name);
1738 typelib->attrs = attrs;
1739 list_init( &typelib->importlibs );
1740 return typelib;
1741 }
1742
1743 #define HASHMAX 64
1744
1745 static int hash_ident(const char *name)
1746 {
1747 const char *p = name;
1748 int sum = 0;
1749 /* a simple sum hash is probably good enough */
1750 while (*p) {
1751 sum += *p;
1752 p++;
1753 }
1754 return sum & (HASHMAX-1);
1755 }
1756
1757 /***** type repository *****/
1758
1759 struct rtype {
1760 const char *name;
1761 type_t *type;
1762 int t;
1763 struct rtype *next;
1764 };
1765
1766 struct rtype *type_hash[HASHMAX];
1767
1768 type_t *reg_type(type_t *type, const char *name, int t)
1769 {
1770 struct rtype *nt;
1771 int hash;
1772 if (!name) {
1773 error_loc("registering named type without name\n");
1774 return type;
1775 }
1776 hash = hash_ident(name);
1777 nt = xmalloc(sizeof(struct rtype));
1778 nt->name = name;
1779 nt->type = type;
1780 nt->t = t;
1781 nt->next = type_hash[hash];
1782 type_hash[hash] = nt;
1783 if ((t == tsSTRUCT || t == tsUNION))
1784 fix_incomplete_types(type);
1785 return type;
1786 }
1787
1788 static int is_incomplete(const type_t *t)
1789 {
1790 return !t->defined &&
1791 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1792 type_get_type_detect_alias(t) == TYPE_UNION ||
1793 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1794 }
1795
1796 void add_incomplete(type_t *t)
1797 {
1798 struct typenode *tn = xmalloc(sizeof *tn);
1799 tn->type = t;
1800 list_add_tail(&incomplete_types, &tn->entry);
1801 }
1802
1803 static void fix_type(type_t *t)
1804 {
1805 if (type_is_alias(t) && is_incomplete(t)) {
1806 type_t *ot = type_alias_get_aliasee(t);
1807 fix_type(ot);
1808 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1809 type_get_type_detect_alias(ot) == TYPE_UNION ||
1810 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1811 t->details.structure = ot->details.structure;
1812 t->defined = ot->defined;
1813 }
1814 }
1815
1816 static void fix_incomplete(void)
1817 {
1818 struct typenode *tn, *next;
1819
1820 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1821 fix_type(tn->type);
1822 list_remove(&tn->entry);
1823 free(tn);
1824 }
1825 }
1826
1827 static void fix_incomplete_types(type_t *complete_type)
1828 {
1829 struct typenode *tn, *next;
1830
1831 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1832 {
1833 if (type_is_equal(complete_type, tn->type))
1834 {
1835 tn->type->details.structure = complete_type->details.structure;
1836 list_remove(&tn->entry);
1837 free(tn);
1838 }
1839 }
1840 }
1841
1842 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1843 {
1844 const declarator_t *decl;
1845 type_t *type = decl_spec->type;
1846
1847 /* We must generate names for tagless enum, struct or union.
1848 Typedef-ing a tagless enum, struct or union means we want the typedef
1849 to be included in a library hence the public attribute. */
1850 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1851 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1852 type_get_type_detect_alias(type) == TYPE_UNION ||
1853 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1854 !type->name && !parse_only)
1855 {
1856 if (! is_attr(attrs, ATTR_PUBLIC))
1857 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1858 type->name = gen_name();
1859 }
1860 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1861 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1862
1863 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1864 {
1865
1866 if (decl->var->name) {
1867 type_t *cur;
1868 var_t *name;
1869
1870 cur = find_type(decl->var->name, 0);
1871
1872 /*
1873 * MIDL allows shadowing types that are declared in imported files.
1874 * We don't throw an error in this case and instead add a new type
1875 * (which is earlier on the list in hash table, so it will be used
1876 * instead of shadowed type).
1877 *
1878 * FIXME: We may consider string separated type tables for each input
1879 * for cleaner solution.
1880 */
1881 if (cur && input_name == cur->loc_info.input_name)
1882 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1883 cur->name, cur->loc_info.input_name,
1884 cur->loc_info.line_number);
1885
1886 name = declare_var(attrs, decl_spec, decl, 0);
1887 cur = type_new_alias(name->type, name->name);
1888 cur->attrs = attrs;
1889
1890 if (is_incomplete(cur))
1891 add_incomplete(cur);
1892 reg_type(cur, cur->name, 0);
1893 }
1894 }
1895 return type;
1896 }
1897
1898 type_t *find_type(const char *name, int t)
1899 {
1900 struct rtype *cur = type_hash[hash_ident(name)];
1901 while (cur && (cur->t != t || strcmp(cur->name, name)))
1902 cur = cur->next;
1903 return cur ? cur->type : NULL;
1904 }
1905
1906 static type_t *find_type_or_error(const char *name, int t)
1907 {
1908 type_t *type = find_type(name, t);
1909 if (!type) {
1910 error_loc("type '%s' not found\n", name);
1911 return NULL;
1912 }
1913 return type;
1914 }
1915
1916 static type_t *find_type_or_error2(char *name, int t)
1917 {
1918 type_t *tp = find_type_or_error(name, t);
1919 free(name);
1920 return tp;
1921 }
1922
1923 int is_type(const char *name)
1924 {
1925 return find_type(name, 0) != NULL;
1926 }
1927
1928 type_t *get_type(enum type_type type, char *name, int t)
1929 {
1930 type_t *tp;
1931 if (name) {
1932 tp = find_type(name, t);
1933 if (tp) {
1934 free(name);
1935 return tp;
1936 }
1937 }
1938 tp = make_type(type);
1939 tp->name = name;
1940 if (!name) return tp;
1941 return reg_type(tp, name, t);
1942 }
1943
1944 /***** constant repository *****/
1945
1946 struct rconst {
1947 char *name;
1948 var_t *var;
1949 struct rconst *next;
1950 };
1951
1952 struct rconst *const_hash[HASHMAX];
1953
1954 static var_t *reg_const(var_t *var)
1955 {
1956 struct rconst *nc;
1957 int hash;
1958 if (!var->name) {
1959 error_loc("registering constant without name\n");
1960 return var;
1961 }
1962 hash = hash_ident(var->name);
1963 nc = xmalloc(sizeof(struct rconst));
1964 nc->name = var->name;
1965 nc->var = var;
1966 nc->next = const_hash[hash];
1967 const_hash[hash] = nc;
1968 return var;
1969 }
1970
1971 var_t *find_const(const char *name, int f)
1972 {
1973 struct rconst *cur = const_hash[hash_ident(name)];
1974 while (cur && strcmp(cur->name, name))
1975 cur = cur->next;
1976 if (!cur) {
1977 if (f) error_loc("constant '%s' not found\n", name);
1978 return NULL;
1979 }
1980 return cur->var;
1981 }
1982
1983 static char *gen_name(void)
1984 {
1985 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1986 static unsigned long n = 0;
1987 static const char *file_id;
1988 static size_t size;
1989 char *name;
1990
1991 if (! file_id)
1992 {
1993 char *dst = dup_basename(input_name, ".idl");
1994 file_id = dst;
1995
1996 for (; *dst; ++dst)
1997 if (! isalnum((unsigned char) *dst))
1998 *dst = '_';
1999
2000 size = sizeof format - 7 + strlen(file_id) + 8;
2001 }
2002
2003 name = xmalloc(size);
2004 sprintf(name, format, file_id, n++);
2005 return name;
2006 }
2007
2008 struct allowed_attr
2009 {
2010 unsigned int dce_compatible : 1;
2011 unsigned int acf : 1;
2012 unsigned int on_interface : 1;
2013 unsigned int on_function : 1;
2014 unsigned int on_arg : 1;
2015 unsigned int on_type : 1;
2016 unsigned int on_enum : 1;
2017 unsigned int on_struct : 1;
2018 unsigned int on_union : 1;
2019 unsigned int on_field : 1;
2020 unsigned int on_library : 1;
2021 unsigned int on_dispinterface : 1;
2022 unsigned int on_module : 1;
2023 unsigned int on_coclass : 1;
2024 const char *display_name;
2025 };
2026
2027 struct allowed_attr allowed_attr[] =
2028 {
2029 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2030 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2031 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2032 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2033 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2034 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2035 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2036 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2037 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2038 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2039 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2040 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2041 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2042 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2043 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2044 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2045 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2046 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2047 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2048 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2049 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2050 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2051 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2052 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2053 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2054 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2055 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2056 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2057 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2058 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2059 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2060 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2061 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2062 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2063 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2064 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2065 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2066 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2067 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2068 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2069 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2070 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, "id" },
2071 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2072 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2073 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2074 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2075 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2076 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2077 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2078 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2079 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2080 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2081 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2082 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2083 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2084 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2085 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2086 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2087 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2088 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2089 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2090 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2091 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2092 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2093 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2094 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2095 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2096 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2097 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2098 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2099 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2100 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2101 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2102 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2103 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2104 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2105 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2106 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2107 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2108 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2109 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2110 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2111 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2112 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2113 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2114 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2115 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2116 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2117 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2118 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2119 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2120 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2121 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2122 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2123 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2124 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2125 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2126 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2127 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
2128 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2129 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2130 };
2131
2132 const char *get_attr_display_name(enum attr_type type)
2133 {
2134 return allowed_attr[type].display_name;
2135 }
2136
2137 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2138 {
2139 const attr_t *attr;
2140 if (!attrs) return attrs;
2141 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2142 {
2143 if (!allowed_attr[attr->type].on_interface)
2144 error_loc("inapplicable attribute %s for interface %s\n",
2145 allowed_attr[attr->type].display_name, name);
2146 if (attr->type == ATTR_IMPLICIT_HANDLE)
2147 {
2148 const var_t *var = attr->u.pval;
2149 if (type_get_type( var->type) == TYPE_BASIC &&
2150 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2151 continue;
2152 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2153 continue;
2154 error_loc("attribute %s requires a handle type in interface %s\n",
2155 allowed_attr[attr->type].display_name, name);
2156 }
2157 }
2158 return attrs;
2159 }
2160
2161 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2162 {
2163 const attr_t *attr;
2164 if (!attrs) return attrs;
2165 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2166 {
2167 if (!allowed_attr[attr->type].on_function)
2168 error_loc("inapplicable attribute %s for function %s\n",
2169 allowed_attr[attr->type].display_name, name);
2170 }
2171 return attrs;
2172 }
2173
2174 static void check_arg_attrs(const var_t *arg)
2175 {
2176 const attr_t *attr;
2177
2178 if (arg->attrs)
2179 {
2180 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2181 {
2182 if (!allowed_attr[attr->type].on_arg)
2183 error_loc("inapplicable attribute %s for argument %s\n",
2184 allowed_attr[attr->type].display_name, arg->name);
2185 }
2186 }
2187 }
2188
2189 static attr_list_t *check_typedef_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_type)
2196 error_loc("inapplicable attribute %s for typedef\n",
2197 allowed_attr[attr->type].display_name);
2198 }
2199 return attrs;
2200 }
2201
2202 static attr_list_t *check_enum_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_enum)
2209 error_loc("inapplicable attribute %s for enum\n",
2210 allowed_attr[attr->type].display_name);
2211 }
2212 return attrs;
2213 }
2214
2215 static attr_list_t *check_struct_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_struct)
2222 error_loc("inapplicable attribute %s for struct\n",
2223 allowed_attr[attr->type].display_name);
2224 }
2225 return attrs;
2226 }
2227
2228 static attr_list_t *check_union_attrs(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_union)
2235 error_loc("inapplicable attribute %s for union\n",
2236 allowed_attr[attr->type].display_name);
2237 }
2238 return attrs;
2239 }
2240
2241 static attr_list_t *check_field_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_field)
2248 error_loc("inapplicable attribute %s for field %s\n",
2249 allowed_attr[attr->type].display_name, name);
2250 }
2251 return attrs;
2252 }
2253
2254 static attr_list_t *check_library_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_library)
2261 error_loc("inapplicable attribute %s for library %s\n",
2262 allowed_attr[attr->type].display_name, name);
2263 }
2264 return attrs;
2265 }
2266
2267 static attr_list_t *check_dispiface_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_dispinterface)
2274 error_loc("inapplicable attribute %s for dispinterface %s\n",
2275 allowed_attr[attr->type].display_name, name);
2276 }
2277 return attrs;
2278 }
2279
2280 static attr_list_t *check_module_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_module)
2287 error_loc("inapplicable attribute %s for module %s\n",
2288 allowed_attr[attr->type].display_name, name);
2289 }
2290 return attrs;
2291 }
2292
2293 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2294 {
2295 const attr_t *attr;
2296 if (!attrs) return attrs;
2297 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2298 {
2299 if (!allowed_attr[attr->type].on_coclass)
2300 error_loc("inapplicable attribute %s for coclass %s\n",
2301 allowed_attr[attr->type].display_name, name);
2302 }
2303 return attrs;
2304 }
2305
2306 static int is_allowed_conf_type(const type_t *type)
2307 {
2308 switch (type_get_type(type))
2309 {
2310 case TYPE_ENUM:
2311 return TRUE;
2312 case TYPE_BASIC:
2313 switch (type_basic_get_type(type))
2314 {
2315 case TYPE_BASIC_INT8:
2316 case TYPE_BASIC_INT16:
2317 case TYPE_BASIC_INT32:
2318 case TYPE_BASIC_INT64:
2319 case TYPE_BASIC_INT:
2320 case TYPE_BASIC_CHAR:
2321 case TYPE_BASIC_HYPER:
2322 case TYPE_BASIC_BYTE:
2323 case TYPE_BASIC_WCHAR:
2324 return TRUE;
2325 default:
2326 return FALSE;
2327 }
2328 case TYPE_ALIAS:
2329 /* shouldn't get here because of type_get_type call above */
2330 assert(0);
2331 /* fall through */
2332 case TYPE_STRUCT:
2333 case TYPE_UNION:
2334 case TYPE_ENCAPSULATED_UNION:
2335 case TYPE_ARRAY:
2336 case TYPE_POINTER:
2337 case TYPE_VOID:
2338 case TYPE_MODULE:
2339 case TYPE_COCLASS:
2340 case TYPE_FUNCTION:
2341 case TYPE_INTERFACE:
2342 case TYPE_BITFIELD:
2343 return FALSE;
2344 }
2345 return FALSE;
2346 }
2347
2348 static int is_ptr_guid_type(const type_t *type)
2349 {
2350 /* first, make sure it is a pointer to something */
2351 if (!is_ptr(type)) return FALSE;
2352
2353 /* second, make sure it is a pointer to something of size sizeof(GUID),
2354 * i.e. 16 bytes */
2355 return (type_memsize(type_pointer_get_ref(type)) == 16);
2356 }
2357
2358 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2359 {
2360 expr_t *dim;
2361 struct expr_loc expr_loc;
2362 expr_loc.v = arg;
2363 expr_loc.attr = attr_name;
2364 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2365 {
2366 if (dim->type != EXPR_VOID)
2367 {
2368 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2369 if (!is_allowed_conf_type(expr_type))
2370 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2371 attr_name);
2372 }
2373 }
2374 }
2375
2376 static void check_remoting_fields(const var_t *var, type_t *type);
2377
2378 /* checks that properties common to fields and arguments are consistent */
2379 static void check_field_common(const type_t *container_type,
2380 const char *container_name, const var_t *arg)
2381 {
2382 type_t *type = arg->type;
2383 int more_to_do;
2384 const char *container_type_name;
2385 const char *var_type;
2386
2387 switch (type_get_type(container_type))
2388 {
2389 case TYPE_STRUCT:
2390 container_type_name = "struct";
2391 var_type = "field";
2392 break;
2393 case TYPE_UNION:
2394 container_type_name = "union";
2395 var_type = "arm";
2396 break;
2397 case TYPE_ENCAPSULATED_UNION:
2398 container_type_name = "encapsulated union";
2399 var_type = "arm";
2400 break;
2401 case TYPE_FUNCTION:
2402 container_type_name = "function";
2403 var_type = "parameter";
2404 break;
2405 default:
2406 /* should be no other container types */
2407 assert(0);
2408 return;
2409 }
2410
2411 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2412 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2413 error_loc_info(&arg->loc_info,
2414 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2415 arg->name);
2416
2417 if (is_attr(arg->attrs, ATTR_SIZEIS))
2418 {
2419 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2420 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2421 }
2422 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2423 {
2424 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2425 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2426 }
2427 if (is_attr(arg->attrs, ATTR_IIDIS))
2428 {
2429 struct expr_loc expr_loc;
2430 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2431 if (expr->type != EXPR_VOID)
2432 {
2433 const type_t *expr_type;
2434 expr_loc.v = arg;
2435 expr_loc.attr = "iid_is";
2436 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2437 if (!expr_type || !is_ptr_guid_type(expr_type))
2438 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2439 }
2440 }
2441 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2442 {
2443 struct expr_loc expr_loc;
2444 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2445 if (expr->type != EXPR_VOID)
2446 {
2447 const type_t *expr_type;
2448 expr_loc.v = arg;
2449 expr_loc.attr = "switch_is";
2450 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2451 if (!expr_type || !is_allowed_conf_type(expr_type))
2452 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2453 expr_loc.attr);
2454 }
2455 }
2456
2457 do
2458 {
2459 more_to_do = FALSE;
2460
2461 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2462 {
2463 case TGT_STRUCT:
2464 case TGT_UNION:
2465 check_remoting_fields(arg, type);
2466 break;
2467 case TGT_INVALID:
2468 {
2469 const char *reason = "is invalid";
2470 switch (type_get_type(type))
2471 {
2472 case TYPE_VOID:
2473 reason = "cannot derive from void *";
2474 break;
2475 case TYPE_FUNCTION:
2476 reason = "cannot be a function pointer";
2477 break;
2478 case TYPE_BITFIELD:
2479 reason = "cannot be a bit-field";
2480 break;
2481 case TYPE_COCLASS:
2482 reason = "cannot be a class";
2483 break;
2484 case TYPE_INTERFACE:
2485 reason = "cannot be a non-pointer to an interface";
2486 break;
2487 case TYPE_MODULE:
2488 reason = "cannot be a module";
2489 break;
2490 default:
2491 break;
2492 }
2493 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2494 var_type, arg->name, container_type_name, container_name, reason);
2495 break;
2496 }
2497 case TGT_CTXT_HANDLE:
2498 case TGT_CTXT_HANDLE_POINTER:
2499 if (type_get_type(container_type) != TYPE_FUNCTION)
2500 error_loc_info(&arg->loc_info,
2501 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2502 var_type, arg->name, container_type_name,
2503 container_name);
2504 break;
2505 case TGT_STRING:
2506 {
2507 const type_t *t = type;
2508 while (is_ptr(t))
2509 t = type_pointer_get_ref(t);
2510 if (is_aliaschain_attr(t, ATTR_RANGE))
2511 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2512 break;
2513 }
2514 case TGT_POINTER:
2515 type = type_pointer_get_ref(type);
2516 more_to_do = TRUE;
2517 break;
2518 case TGT_ARRAY:
2519 type = type_array_get_element(type);
2520 more_to_do = TRUE;
2521 break;
2522 case TGT_USER_TYPE:
2523 case TGT_IFACE_POINTER:
2524 case TGT_BASIC:
2525 case TGT_ENUM:
2526 case TGT_RANGE:
2527 /* nothing to do */
2528 break;
2529 }
2530 } while (more_to_do);
2531 }
2532
2533 static void check_remoting_fields(const var_t *var, type_t *type)
2534 {
2535 const var_t *field;
2536 const var_list_t *fields = NULL;
2537
2538 type = type_get_real_type(type);
2539
2540 if (type->checked)
2541 return;
2542
2543 type->checked = TRUE;
2544
2545 if (type_get_type(type) == TYPE_STRUCT)
2546 {
2547 if (type_is_complete(type))
2548 fields = type_struct_get_fields(type);
2549 else
2550 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2551 }
2552 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2553 fields = type_union_get_cases(type);
2554
2555 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2556 if (field->type) check_field_common(type, type->name, field);
2557 }
2558
2559 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2560 static void check_remoting_args(const var_t *func)
2561 {
2562 const char *funcname = func->name;
2563 const var_t *arg;
2564
2565 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2566 {
2567 const type_t *type = arg->type;
2568
2569 /* check that [out] parameters have enough pointer levels */
2570 if (is_attr(arg->attrs, ATTR_OUT))
2571 {
2572 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2573 {
2574 case TGT_BASIC:
2575 case TGT_ENUM:
2576 case TGT_RANGE:
2577 case TGT_STRUCT:
2578 case TGT_UNION:
2579 case TGT_CTXT_HANDLE:
2580 case TGT_USER_TYPE:
2581 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2582 break;
2583 case TGT_IFACE_POINTER:
2584 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2585 break;
2586 case TGT_STRING:
2587 if (is_array(type))
2588 {
2589 /* needs conformance or fixed dimension */
2590 if (type_array_has_conformance(type) &&
2591 type_array_get_conformance(type)->type != EXPR_VOID) break;
2592 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2593 }
2594 if (is_attr( arg->attrs, ATTR_IN )) break;
2595 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2596 break;
2597 case TGT_INVALID:
2598 /* already error'd before we get here */
2599 case TGT_CTXT_HANDLE_POINTER:
2600 case TGT_POINTER:
2601 case TGT_ARRAY:
2602 /* OK */
2603 break;
2604 }
2605 }
2606
2607 check_field_common(func->type, funcname, arg);
2608 }
2609
2610 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2611 {
2612 var_t var;
2613 var = *func;
2614 var.type = type_function_get_rettype(func->type);
2615 var.name = xstrdup("return value");
2616 check_field_common(func->type, funcname, &var);
2617 free(var.name);
2618 }
2619 }
2620
2621 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2622 {
2623 unsigned char explicit_fc, implicit_fc;
2624
2625 /* check for a defined binding handle */
2626 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2627 {
2628 /* no explicit handle specified so add
2629 * "[in] handle_t IDL_handle" as the first parameter to the
2630 * function */
2631 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2632 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2633 idl_handle->type = find_type_or_error("handle_t", 0);
2634 type_function_add_head_arg(func->type, idl_handle);
2635 }
2636 }
2637
2638 static void check_functions(const type_t *iface, int is_inside_library)
2639 {
2640 const statement_t *stmt;
2641 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2642 {
2643 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2644 {
2645 var_t *func = stmt->u.var;
2646 add_explicit_handle_if_necessary(iface, func);
2647 }
2648 }
2649 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2650 {
2651 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2652 {
2653 const var_t *func = stmt->u.var;
2654 if (!is_attr(func->attrs, ATTR_LOCAL))
2655 check_remoting_args(func);
2656 }
2657 }
2658 }
2659
2660 static void check_statements(const statement_list_t *stmts, int is_inside_library)
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_statements(stmt->u.lib->stmts, TRUE);
2668 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2669 check_functions(stmt->u.type, is_inside_library);
2670 }
2671 }
2672
2673 static void check_all_user_types(const statement_list_t *stmts)
2674 {
2675 const statement_t *stmt;
2676
2677 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2678 {
2679 if (stmt->type == STMT_LIBRARY)
2680 check_all_user_types(stmt->u.lib->stmts);
2681 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2682 !is_local(stmt->u.type->attrs))
2683 {
2684 const statement_t *stmt_func;
2685 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2686 const var_t *func = stmt_func->u.var;
2687 check_for_additional_prototype_types(func->type->details.function->args);
2688 }
2689 }
2690 }
2691 }
2692
2693 int is_valid_uuid(const char *s)
2694 {
2695 int i;
2696
2697 for (i = 0; i < 36; ++i)
2698 if (i == 8 || i == 13 || i == 18 || i == 23)
2699 {
2700 if (s[i] != '-')
2701 return FALSE;
2702 }
2703 else
2704 if (!isxdigit(s[i]))
2705 return FALSE;
2706
2707 return s[i] == '\0';
2708 }
2709
2710 static statement_t *make_statement(enum statement_type type)
2711 {
2712 statement_t *stmt = xmalloc(sizeof(*stmt));
2713 stmt->type = type;
2714 return stmt;
2715 }
2716
2717 static statement_t *make_statement_type_decl(type_t *type)
2718 {
2719 statement_t *stmt = make_statement(STMT_TYPE);
2720 stmt->u.type = type;
2721 return stmt;
2722 }
2723
2724 static statement_t *make_statement_reference(type_t *type)
2725 {
2726 statement_t *stmt = make_statement(STMT_TYPEREF);
2727 stmt->u.type = type;
2728 return stmt;
2729 }
2730
2731 static statement_t *make_statement_declaration(var_t *var)
2732 {
2733 statement_t *stmt = make_statement(STMT_DECLARATION);
2734 stmt->u.var = var;
2735 if (var->stgclass == STG_EXTERN && var->eval)
2736 warning("'%s' initialised and declared extern\n", var->name);
2737 if (is_const_decl(var))
2738 {
2739 if (var->eval)
2740 reg_const(var);
2741 }
2742 else if (type_get_type(var->type) == TYPE_FUNCTION)
2743 check_function_attrs(var->name, var->attrs);
2744 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2745 error_loc("instantiation of data is illegal\n");
2746 return stmt;
2747 }
2748
2749 static statement_t *make_statement_library(typelib_t *typelib)
2750 {
2751 statement_t *stmt = make_statement(STMT_LIBRARY);
2752 stmt->u.lib = typelib;
2753 return stmt;
2754 }
2755
2756 static statement_t *make_statement_cppquote(const char *str)
2757 {
2758 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2759 stmt->u.str = str;
2760 return stmt;
2761 }
2762
2763 static statement_t *make_statement_importlib(const char *str)
2764 {
2765 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2766 stmt->u.str = str;
2767 return stmt;
2768 }
2769
2770 static statement_t *make_statement_import(const char *str)
2771 {
2772 statement_t *stmt = make_statement(STMT_IMPORT);
2773 stmt->u.str = str;
2774 return stmt;
2775 }
2776
2777 static statement_t *make_statement_module(type_t *type)
2778 {
2779 statement_t *stmt = make_statement(STMT_MODULE);
2780 stmt->u.type = type;
2781 return stmt;
2782 }
2783
2784 static statement_t *make_statement_typedef(declarator_list_t *decls)
2785 {
2786 declarator_t *decl, *next;
2787 statement_t *stmt;
2788 type_list_t **type_list;
2789
2790 if (!decls) return NULL;
2791
2792 stmt = make_statement(STMT_TYPEDEF);
2793 stmt->u.type_list = NULL;
2794 type_list = &stmt->u.type_list;
2795
2796 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2797 {
2798 var_t *var = decl->var;
2799 type_t *type = find_type_or_error(var->name, 0);
2800 *type_list = xmalloc(sizeof(type_list_t));
2801 (*type_list)->type = type;
2802 (*type_list)->next = NULL;
2803
2804 type_list = &(*type_list)->next;
2805 free(decl);
2806 free(var);
2807 }
2808
2809 return stmt;
2810 }
2811
2812 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2813 {
2814 if (!stmt) return list;
2815 if (!list)
2816 {
2817 list = xmalloc( sizeof(*list) );
2818 list_init( list );
2819 }
2820 list_add_tail( list, &stmt->entry );
2821 return list;
2822 }
2823
2824 void init_loc_info(loc_info_t *i)
2825 {
2826 i->input_name = input_name ? input_name : "stdin";
2827 i->line_number = line_number;
2828 i->near_text = parser_text;
2829 }
2830
2831 static void check_def(const type_t *t)
2832 {
2833 if (t->defined)
2834 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2835 t->name, t->loc_info.input_name, t->loc_info.line_number);
2836 }
Maarten's multimedia branch