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jscript: Don't set constructor property to each object instance, it belongs to their...
[wine/multimedia.git] / tools / widl / parser.y
blob55b2df90db8f1431bbb360d41848d0985ddb0e14
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 static unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 struct _import_t
77 {
78 char *name;
79 int import_performed;
80 };
81
82 typedef struct _decl_spec_t
83 {
84 type_t *type;
85 attr_list_t *attrs;
86 enum storage_class stgclass;
87 } decl_spec_t;
88
89 typelist_t incomplete_types = LIST_INIT(incomplete_types);
90
91 static void fix_incomplete(void);
92 static void fix_incomplete_types(type_t *complete_type);
93
94 static str_list_t *append_str(str_list_t *list, char *str);
95 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
96 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
97 static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right, attr_t *attr, enum storage_class stgclass);
98 static attr_t *make_attr(enum attr_type type);
99 static attr_t *make_attrv(enum attr_type type, unsigned int val);
100 static attr_t *make_attrp(enum attr_type type, void *val);
101 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
102 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
103 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
104 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
105 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
106 static ifref_t *make_ifref(type_t *iface);
107 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
108 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
109 static declarator_t *make_declarator(var_t *var);
110 static type_t *make_safearray(type_t *type);
111 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
112 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
113
114 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
115 static type_t *find_type_or_error(const char *name, int t);
116 static type_t *find_type_or_error2(char *name, int t);
117
118 static var_t *reg_const(var_t *var);
119
120 static char *gen_name(void);
121 static void check_arg_attrs(const var_t *arg);
122 static void check_statements(const statement_list_t *stmts, int is_inside_library);
123 static void check_all_user_types(const statement_list_t *stmts);
124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
125 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
127 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
128 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
129 static attr_list_t *check_union_attrs(attr_list_t *attrs);
130 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
131 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
135 const char *get_attr_display_name(enum attr_type type);
136 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func);
137 static void check_def(const type_t *t);
138
139 static statement_t *make_statement(enum statement_type type);
140 static statement_t *make_statement_type_decl(type_t *type);
141 static statement_t *make_statement_reference(type_t *type);
142 static statement_t *make_statement_declaration(var_t *var);
143 static statement_t *make_statement_library(typelib_t *typelib);
144 static statement_t *make_statement_cppquote(const char *str);
145 static statement_t *make_statement_importlib(const char *str);
146 static statement_t *make_statement_module(type_t *type);
147 static statement_t *make_statement_typedef(var_list_t *names);
148 static statement_t *make_statement_import(const char *str);
149 static statement_t *make_statement_typedef(var_list_t *names);
150 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
151
152 %}
153 %union {
154 attr_t *attr;
155 attr_list_t *attr_list;
156 str_list_t *str_list;
157 expr_t *expr;
158 expr_list_t *expr_list;
159 array_dims_t *array_dims;
160 type_t *type;
161 var_t *var;
162 var_list_t *var_list;
163 declarator_t *declarator;
164 declarator_list_t *declarator_list;
165 statement_t *statement;
166 statement_list_t *stmt_list;
167 ifref_t *ifref;
168 ifref_list_t *ifref_list;
169 char *str;
170 UUID *uuid;
171 unsigned int num;
172 double dbl;
173 interface_info_t ifinfo;
174 typelib_t *typelib;
175 struct _import_t *import;
176 struct _decl_spec_t *declspec;
177 enum storage_class stgclass;
178 }
179
180 %token <str> aIDENTIFIER
181 %token <str> aKNOWNTYPE
182 %token <num> aNUM aHEXNUM
183 %token <dbl> aDOUBLE
184 %token <str> aSTRING aWSTRING aSQSTRING
185 %token <uuid> aUUID
186 %token aEOF
187 %token SHL SHR
188 %token MEMBERPTR
189 %token EQUALITY INEQUALITY
190 %token GREATEREQUAL LESSEQUAL
191 %token LOGICALOR LOGICALAND
192 %token ELLIPSIS
193 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
194 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
195 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
196 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
197 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
198 %token tDECODE tDEFAULT tDEFAULTBIND
199 %token tDEFAULTCOLLELEM
200 %token tDEFAULTVALUE
201 %token tDEFAULTVTABLE
202 %token tDISABLECONSISTENCYCHECK tDISPLAYBIND
203 %token tDISPINTERFACE
204 %token tDLLNAME tDOUBLE tDUAL
205 %token tENABLEALLOCATE tENCODE tENDPOINT
206 %token tENTRY tENUM tERRORSTATUST
207 %token tEXPLICITHANDLE tEXTERN
208 %token tFALSE
209 %token tFASTCALL tFAULTSTATUS
210 %token tFLOAT tFORCEALLOCATE
211 %token tHANDLE
212 %token tHANDLET
213 %token tHELPCONTEXT tHELPFILE
214 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
215 %token tHIDDEN
216 %token tHYPER tID tIDEMPOTENT
217 %token tIGNORE tIIDIS
218 %token tIMMEDIATEBIND
219 %token tIMPLICITHANDLE
220 %token tIMPORT tIMPORTLIB
221 %token tIN tIN_LINE tINLINE
222 %token tINPUTSYNC
223 %token tINT tINT3264 tINT64
224 %token tINTERFACE
225 %token tLCID
226 %token tLENGTHIS tLIBRARY
227 %token tLICENSED tLOCAL
228 %token tLONG
229 %token tMAYBE tMESSAGE
230 %token tMETHODS
231 %token tMODULE
232 %token tNOCODE tNONBROWSABLE
233 %token tNONCREATABLE
234 %token tNONEXTENSIBLE
235 %token tNOTIFY tNOTIFYFLAG
236 %token tNULL
237 %token tOBJECT tODL tOLEAUTOMATION
238 %token tOPTIMIZE tOPTIONAL
239 %token tOUT
240 %token tPARTIALIGNORE tPASCAL
241 %token tPOINTERDEFAULT
242 %token tPROGID tPROPERTIES
243 %token tPROPGET tPROPPUT tPROPPUTREF
244 %token tPROXY tPTR
245 %token tPUBLIC
246 %token tRANGE
247 %token tREADONLY tREF
248 %token tREGISTER tREPRESENTAS
249 %token tREQUESTEDIT
250 %token tRESTRICTED
251 %token tRETVAL
252 %token tSAFEARRAY
253 %token tSHORT
254 %token tSIGNED
255 %token tSIZEIS tSIZEOF
256 %token tSMALL
257 %token tSOURCE
258 %token tSTATIC
259 %token tSTDCALL
260 %token tSTRICTCONTEXTHANDLE
261 %token tSTRING tSTRUCT
262 %token tSWITCH tSWITCHIS tSWITCHTYPE
263 %token tTHREADING tTRANSMITAS
264 %token tTRUE
265 %token tTYPEDEF
266 %token tUIDEFAULT tUNION
267 %token tUNIQUE
268 %token tUNSIGNED
269 %token tUSESGETLASTERROR tUSERMARSHAL tUUID
270 %token tV1ENUM
271 %token tVARARG
272 %token tVERSION tVIPROGID
273 %token tVOID
274 %token tWCHAR tWIREMARSHAL
275 %token tAPARTMENT tNEUTRAL tSINGLE tFREE tBOTH
276
277 %type <attr> attribute type_qualifier function_specifier
278 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
279 %type <str_list> str_list
280 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
281 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
282 %type <ifinfo> interfacehdr
283 %type <stgclass> storage_cls_spec
284 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
285 %type <type> inherit interface interfacedef interfacedec
286 %type <type> dispinterface dispinterfacehdr dispinterfacedef
287 %type <type> module modulehdr moduledef
288 %type <type> base_type int_std
289 %type <type> enumdef structdef uniondef typedecl
290 %type <type> type
291 %type <ifref> coclass_int
292 %type <ifref_list> coclass_ints
293 %type <var> arg ne_union_field union_field s_field case enum declaration
294 %type <var> funcdef
295 %type <var_list> m_args arg_list args dispint_meths
296 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
297 %type <var> m_ident ident
298 %type <declarator> declarator direct_declarator init_declarator struct_declarator
299 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
300 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
301 %type <declarator_list> declarator_list struct_declarator_list
302 %type <type> coclass coclasshdr coclassdef
303 %type <num> pointer_type threading_type version
304 %type <str> libraryhdr callconv cppquote importlib import t_ident
305 %type <uuid> uuid_string
306 %type <import> import_start
307 %type <typelib> library_start librarydef
308 %type <statement> statement typedef
309 %type <stmt_list> gbl_statements imp_statements int_statements
310
311 %left ','
312 %right '?' ':'
313 %left LOGICALOR
314 %left LOGICALAND
315 %left '|'
316 %left '^'
317 %left '&'
318 %left EQUALITY INEQUALITY
319 %left '<' '>' LESSEQUAL GREATEREQUAL
320 %left SHL SHR
321 %left '-' '+'
322 %left '*' '/' '%'
323 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
324 %left '.' MEMBERPTR '[' ']'
325
326 %%
327
328 input: gbl_statements { fix_incomplete();
329 check_statements($1, FALSE);
330 check_all_user_types($1);
331 write_header($1);
332 write_id_data($1);
333 write_proxies($1);
334 write_client($1);
335 write_server($1);
336 write_regscript($1);
337 write_dlldata($1);
338 write_local_stubs($1);
339 }
340 ;
341
342 gbl_statements: { $$ = NULL; }
343 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
344 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
345 | gbl_statements coclass ';' { $$ = $1;
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
349 reg_type($2, $2->name, 0);
350 }
351 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
352 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
353 | gbl_statements statement { $$ = append_statement($1, $2); }
354 ;
355
356 imp_statements: { $$ = NULL; }
357 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
358 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
359 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
360 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
361 reg_type($2, $2->name, 0);
362 }
363 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
364 | imp_statements statement { $$ = append_statement($1, $2); }
365 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
366 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
367 ;
368
369 int_statements: { $$ = NULL; }
370 | int_statements statement { $$ = append_statement($1, $2); }
371 ;
372
373 semicolon_opt:
374 | ';'
375 ;
376
377 statement:
378 cppquote { $$ = make_statement_cppquote($1); }
379 | typedecl ';' { $$ = make_statement_type_decl($1); }
380 | declaration ';' { $$ = make_statement_declaration($1); }
381 | import { $$ = make_statement_import($1); }
382 | typedef ';' { $$ = $1; }
383 ;
384
385 typedecl:
386 enumdef
387 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
388 | structdef
389 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
390 | uniondef
391 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
392 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
393 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
394 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
395 ;
396
397 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
398 ;
399 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
400 $$ = xmalloc(sizeof(struct _import_t));
401 $$->name = $2;
402 $$->import_performed = do_import($2);
403 if (!$$->import_performed) yychar = aEOF;
404 }
405 ;
406
407 import: import_start imp_statements aEOF { $$ = $1->name;
408 if ($1->import_performed) pop_import();
409 free($1);
410 }
411 ;
412
413 importlib: tIMPORTLIB '(' aSTRING ')'
414 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
415 ;
416
417 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
418 ;
419 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
420 if (!parse_only) start_typelib($$);
421 }
422 ;
423 librarydef: library_start imp_statements '}'
424 semicolon_opt { $$ = $1;
425 $$->stmts = $2;
426 if (!parse_only) end_typelib();
427 }
428 ;
429
430 m_args: { $$ = NULL; }
431 | args
432 ;
433
434 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
435 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
436 ;
437
438 args: arg_list
439 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
440 ;
441
442 /* split into two rules to get bison to resolve a tVOID conflict */
443 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
444 error_loc("invalid storage class for function parameter\n");
445 $$ = declare_var($1, $2, $3, TRUE);
446 free($2); free($3);
447 }
448 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
449 error_loc("invalid storage class for function parameter\n");
450 $$ = declare_var(NULL, $1, $2, TRUE);
451 free($1); free($2);
452 }
453 ;
454
455 array: '[' expr ']' { $$ = $2;
456 if (!$$->is_const)
457 error_loc("array dimension is not an integer constant\n");
458 }
459 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
460 | '[' ']' { $$ = make_expr(EXPR_VOID); }
461 ;
462
463 m_attributes: { $$ = NULL; }
464 | attributes
465 ;
466
467 attributes:
468 '[' attrib_list ']' { $$ = $2; }
469 ;
470
471 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
472 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
473 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
474 ;
475
476 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
477 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
478 ;
479
480 attribute: { $$ = NULL; }
481 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
482 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
483 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
484 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
485 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
486 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
487 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
488 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
489 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
490 | tCODE { $$ = make_attr(ATTR_CODE); }
491 | tCOMMSTATUS { $$ = make_attr(ATTR_COMMSTATUS); }
492 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
493 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
494 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
495 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
496 | tDECODE { $$ = make_attr(ATTR_DECODE); }
497 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
498 | tDEFAULTBIND { $$ = make_attr(ATTR_DEFAULTBIND); }
499 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
500 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
501 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
502 | tDISABLECONSISTENCYCHECK { $$ = make_attr(ATTR_DISABLECONSISTENCYCHECK); }
503 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
504 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
505 | tDUAL { $$ = make_attr(ATTR_DUAL); }
506 | tENABLEALLOCATE { $$ = make_attr(ATTR_ENABLEALLOCATE); }
507 | tENCODE { $$ = make_attr(ATTR_ENCODE); }
508 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
509 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
510 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
511 | tFAULTSTATUS { $$ = make_attr(ATTR_FAULTSTATUS); }
512 | tFORCEALLOCATE { $$ = make_attr(ATTR_FORCEALLOCATE); }
513 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
514 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
515 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
516 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
517 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
518 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
519 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
520 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
521 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
522 | tIGNORE { $$ = make_attr(ATTR_IGNORE); }
523 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
524 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
525 | tIMPLICITHANDLE '(' arg ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $3); }
526 | tIN { $$ = make_attr(ATTR_IN); }
527 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
528 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
529 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
530 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
531 | tLICENSED { $$ = make_attr(ATTR_LICENSED); }
532 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
533 | tMAYBE { $$ = make_attr(ATTR_MAYBE); }
534 | tMESSAGE { $$ = make_attr(ATTR_MESSAGE); }
535 | tNOCODE { $$ = make_attr(ATTR_NOCODE); }
536 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
537 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
538 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
539 | tNOTIFY { $$ = make_attr(ATTR_NOTIFY); }
540 | tNOTIFYFLAG { $$ = make_attr(ATTR_NOTIFYFLAG); }
541 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
542 | tODL { $$ = make_attr(ATTR_ODL); }
543 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
544 | tOPTIMIZE '(' aSTRING ')' { $$ = make_attrp(ATTR_OPTIMIZE, $3); }
545 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
546 | tOUT { $$ = make_attr(ATTR_OUT); }
547 | tPARTIALIGNORE { $$ = make_attr(ATTR_PARTIALIGNORE); }
548 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
549 | tPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_PROGID, $3); }
550 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
551 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
552 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
553 | tPROXY { $$ = make_attr(ATTR_PROXY); }
554 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
555 | tRANGE '(' expr_int_const ',' expr_int_const ')'
556 { expr_list_t *list = append_expr( NULL, $3 );
557 list = append_expr( list, $5 );
558 $$ = make_attrp(ATTR_RANGE, list); }
559 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
560 | tREPRESENTAS '(' type ')' { $$ = make_attrp(ATTR_REPRESENTAS, $3); }
561 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
562 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
563 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
564 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
565 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
566 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
567 | tSTRING { $$ = make_attr(ATTR_STRING); }
568 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
569 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
570 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
571 | tTHREADING '(' threading_type ')' { $$ = make_attrv(ATTR_THREADING, $3); }
572 | tUIDEFAULT { $$ = make_attr(ATTR_UIDEFAULT); }
573 | tUSESGETLASTERROR { $$ = make_attr(ATTR_USESGETLASTERROR); }
574 | tUSERMARSHAL '(' type ')' { $$ = make_attrp(ATTR_USERMARSHAL, $3); }
575 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
576 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
577 | tVARARG { $$ = make_attr(ATTR_VARARG); }
578 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
579 | tVIPROGID '(' aSTRING ')' { $$ = make_attrp(ATTR_VIPROGID, $3); }
580 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
581 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
582 ;
583
584 uuid_string:
585 aUUID
586 | aSTRING { if (!is_valid_uuid($1))
587 error_loc("invalid UUID: %s\n", $1);
588 $$ = parse_uuid($1); }
589 ;
590
591 callconv: tCDECL { $$ = xstrdup("__cdecl"); }
592 | tFASTCALL { $$ = xstrdup("__fastcall"); }
593 | tPASCAL { $$ = xstrdup("__pascal"); }
594 | tSTDCALL { $$ = xstrdup("__stdcall"); }
595 ;
596
597 cases: { $$ = NULL; }
598 | cases case { $$ = append_var( $1, $2 ); }
599 ;
600
601 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
602 $$ = $4; if (!$$) $$ = make_var(NULL);
603 $$->attrs = append_attr( $$->attrs, a );
604 }
605 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
606 $$ = $3; if (!$$) $$ = make_var(NULL);
607 $$->attrs = append_attr( $$->attrs, a );
608 }
609 ;
610
611 enums: { $$ = NULL; }
612 | enum_list ',' { $$ = $1; }
613 | enum_list
614 ;
615
616 enum_list: enum { if (!$1->eval)
617 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
618 $$ = append_var( NULL, $1 );
619 }
620 | enum_list ',' enum { if (!$3->eval)
621 {
622 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
623 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
624 }
625 $$ = append_var( $1, $3 );
626 }
627 ;
628
629 enum: ident '=' expr_int_const { $$ = reg_const($1);
630 $$->eval = $3;
631 $$->type = type_new_int(TYPE_BASIC_INT, 0);
632 }
633 | ident { $$ = reg_const($1);
634 $$->type = type_new_int(TYPE_BASIC_INT, 0);
635 }
636 ;
637
638 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
639 ;
640
641 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
642 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
643 ;
644
645 m_expr: { $$ = make_expr(EXPR_VOID); }
646 | expr
647 ;
648
649 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
650 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
651 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
652 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
653 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
654 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
655 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
656 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
657 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
658 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
659 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
660 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
661 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
662 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
663 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
664 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
665 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
666 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
667 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
668 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
669 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
670 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
671 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
672 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
673 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
674 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
675 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
676 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
677 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
678 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
679 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
680 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
681 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
682 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
683 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
684 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
685 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
686 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
687 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
688 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
689 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
690 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
691 | '(' expr ')' { $$ = $2; }
692 ;
693
694 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
695 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
696 ;
697
698 expr_int_const: expr { $$ = $1;
699 if (!$$->is_const)
700 error_loc("expression is not an integer constant\n");
701 }
702 ;
703
704 expr_const: expr { $$ = $1;
705 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
706 error_loc("expression is not constant\n");
707 }
708 ;
709
710 fields: { $$ = NULL; }
711 | fields field { $$ = append_var_list($1, $2); }
712 ;
713
714 field: m_attributes decl_spec struct_declarator_list ';'
715 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
716 check_field_attrs(first, $1);
717 $$ = set_var_types($1, $2, $3);
718 }
719 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
720 v->type = $2; v->attrs = $1;
721 $$ = append_var(NULL, v);
722 }
723 ;
724
725 ne_union_field:
726 s_field ';' { $$ = $1; }
727 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
728 ;
729
730 ne_union_fields: { $$ = NULL; }
731 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
732 ;
733
734 union_field:
735 s_field ';' { $$ = $1; }
736 | ';' { $$ = NULL; }
737 ;
738
739 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
740 $2, $3, FALSE);
741 free($3);
742 }
743 | m_attributes structdef { var_t *v = make_var(NULL);
744 v->type = $2; v->attrs = $1;
745 $$ = v;
746 }
747 ;
748
749 funcdef: declaration { $$ = $1;
750 if (type_get_type($$->type) != TYPE_FUNCTION)
751 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
752 check_function_attrs($$->name, $$->attrs);
753 }
754 ;
755
756 declaration:
757 attributes decl_spec init_declarator
758 { $$ = declare_var($1, $2, $3, FALSE);
759 free($3);
760 }
761 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
762 free($2);
763 }
764 ;
765
766 m_ident: { $$ = NULL; }
767 | ident
768 ;
769
770 t_ident: { $$ = NULL; }
771 | aIDENTIFIER { $$ = $1; }
772 | aKNOWNTYPE { $$ = $1; }
773 ;
774
775 ident: aIDENTIFIER { $$ = make_var($1); }
776 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
777 | aKNOWNTYPE { $$ = make_var($<str>1); }
778 ;
779
780 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
781 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
782 | int_std
783 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
784 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
785 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
786 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
787 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
788 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
789 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
790 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
791 ;
792
793 m_int:
794 | tINT
795 ;
796
797 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
798 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
799 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
800 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
801 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
802 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
803 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
804 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
805 ;
806
807 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
808 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
809 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
810 error_loc("%s was not declared a coclass at %s:%d\n",
811 $2, $$->loc_info.input_name,
812 $$->loc_info.line_number);
813 }
814 ;
815
816 coclasshdr: attributes coclass { $$ = $2;
817 check_def($$);
818 $$->attrs = check_coclass_attrs($2->name, $1);
819 }
820 ;
821
822 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
823 { $$ = type_coclass_define($1, $3); }
824 ;
825
826 coclass_ints: { $$ = NULL; }
827 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
828 ;
829
830 coclass_int:
831 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
832 ;
833
834 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
835 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
836 ;
837
838 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
839 $$ = $2;
840 check_def($$);
841 attrs = make_attr(ATTR_DISPINTERFACE);
842 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
843 $$->defined = TRUE;
844 }
845 ;
846
847 dispint_props: tPROPERTIES ':' { $$ = NULL; }
848 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
849 ;
850
851 dispint_meths: tMETHODS ':' { $$ = NULL; }
852 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
853 ;
854
855 dispinterfacedef: dispinterfacehdr '{'
856 dispint_props
857 dispint_meths
858 '}' { $$ = $1;
859 type_dispinterface_define($$, $3, $4);
860 }
861 | dispinterfacehdr
862 '{' interface ';' '}' { $$ = $1;
863 type_dispinterface_define_from_iface($$, $3);
864 }
865 ;
866
867 inherit: { $$ = NULL; }
868 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
869 ;
870
871 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
872 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
873 ;
874
875 interfacehdr: attributes interface { $$.interface = $2;
876 $$.old_pointer_default = pointer_default;
877 if (is_attr($1, ATTR_POINTERDEFAULT))
878 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
879 check_def($2);
880 $2->attrs = check_iface_attrs($2->name, $1);
881 $2->defined = TRUE;
882 }
883 ;
884
885 interfacedef: interfacehdr inherit
886 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
887 type_interface_define($$, $2, $4);
888 pointer_default = $1.old_pointer_default;
889 }
890 /* MIDL is able to import the definition of a base class from inside the
891 * definition of a derived class, I'll try to support it with this rule */
892 | interfacehdr ':' aIDENTIFIER
893 '{' import int_statements '}'
894 semicolon_opt { $$ = $1.interface;
895 type_interface_define($$, find_type_or_error2($3, 0), $6);
896 pointer_default = $1.old_pointer_default;
897 }
898 | dispinterfacedef semicolon_opt { $$ = $1; }
899 ;
900
901 interfacedec:
902 interface ';' { $$ = $1; }
903 | dispinterface ';' { $$ = $1; }
904 ;
905
906 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
907 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
908 ;
909
910 modulehdr: attributes module { $$ = $2;
911 $$->attrs = check_module_attrs($2->name, $1);
912 }
913 ;
914
915 moduledef: modulehdr '{' int_statements '}'
916 semicolon_opt { $$ = $1;
917 type_module_define($$, $3);
918 }
919 ;
920
921 storage_cls_spec:
922 tEXTERN { $$ = STG_EXTERN; }
923 | tSTATIC { $$ = STG_STATIC; }
924 | tREGISTER { $$ = STG_REGISTER; }
925 ;
926
927 function_specifier:
928 tINLINE { $$ = make_attr(ATTR_INLINE); }
929 ;
930
931 type_qualifier:
932 tCONST { $$ = make_attr(ATTR_CONST); }
933 ;
934
935 m_type_qual_list: { $$ = NULL; }
936 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
937 ;
938
939 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
940 | decl_spec_no_type type m_decl_spec_no_type
941 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
942 ;
943
944 m_decl_spec_no_type: { $$ = NULL; }
945 | decl_spec_no_type
946 ;
947
948 decl_spec_no_type:
949 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
950 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
951 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
952 ;
953
954 declarator:
955 '*' m_type_qual_list declarator %prec PPTR
956 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
957 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
958 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
959 | direct_declarator
960 ;
961
962 direct_declarator:
963 ident { $$ = make_declarator($1); }
964 | '(' declarator ')' { $$ = $2; }
965 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
966 | direct_declarator '(' m_args ')' { $$ = $1;
967 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
968 $$->type = NULL;
969 }
970 ;
971
972 /* abstract declarator */
973 abstract_declarator:
974 '*' m_type_qual_list m_abstract_declarator %prec PPTR
975 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
976 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
977 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
978 | abstract_direct_declarator
979 ;
980
981 /* abstract declarator without accepting direct declarator */
982 abstract_declarator_no_direct:
983 '*' m_type_qual_list m_any_declarator %prec PPTR
984 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
985 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
986 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
987 ;
988
989 /* abstract declarator or empty */
990 m_abstract_declarator: { $$ = make_declarator(NULL); }
991 | abstract_declarator
992 ;
993
994 /* abstract direct declarator */
995 abstract_direct_declarator:
996 '(' abstract_declarator_no_direct ')' { $$ = $2; }
997 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
998 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
999 | '(' m_args ')'
1000 { $$ = make_declarator(NULL);
1001 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1002 $$->type = NULL;
1003 }
1004 | abstract_direct_declarator '(' m_args ')'
1005 { $$ = $1;
1006 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1007 $$->type = NULL;
1008 }
1009 ;
1010
1011 /* abstract or non-abstract declarator */
1012 any_declarator:
1013 '*' m_type_qual_list m_any_declarator %prec PPTR
1014 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1015 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1016 | any_direct_declarator
1017 ;
1018
1019 /* abstract or non-abstract declarator without accepting direct declarator */
1020 any_declarator_no_direct:
1021 '*' m_type_qual_list m_any_declarator %prec PPTR
1022 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
1023 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1024 ;
1025
1026 /* abstract or non-abstract declarator or empty */
1027 m_any_declarator: { $$ = make_declarator(NULL); }
1028 | any_declarator
1029 ;
1030
1031 /* abstract or non-abstract direct declarator. note: direct declarators
1032 * aren't accepted inside brackets to avoid ambiguity with the rule for
1033 * function arguments */
1034 any_direct_declarator:
1035 ident { $$ = make_declarator($1); }
1036 | '(' any_declarator_no_direct ')' { $$ = $2; }
1037 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1038 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1039 | '(' m_args ')'
1040 { $$ = make_declarator(NULL);
1041 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1042 $$->type = NULL;
1043 }
1044 | any_direct_declarator '(' m_args ')'
1045 { $$ = $1;
1046 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1047 $$->type = NULL;
1048 }
1049 ;
1050
1051 declarator_list:
1052 declarator { $$ = append_declarator( NULL, $1 ); }
1053 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1054 ;
1055
1056 m_bitfield: { $$ = NULL; }
1057 | ':' expr_const { $$ = $2; }
1058 ;
1059
1060 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1061 if (!$$->bits && !$$->var->name)
1062 error_loc("unnamed fields are not allowed\n");
1063 }
1064 ;
1065
1066 struct_declarator_list:
1067 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1068 | struct_declarator_list ',' struct_declarator
1069 { $$ = append_declarator( $1, $3 ); }
1070 ;
1071
1072 init_declarator:
1073 declarator { $$ = $1; }
1074 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1075 ;
1076
1077 threading_type:
1078 tAPARTMENT { $$ = THREADING_APARTMENT; }
1079 | tNEUTRAL { $$ = THREADING_NEUTRAL; }
1080 | tSINGLE { $$ = THREADING_SINGLE; }
1081 | tFREE { $$ = THREADING_FREE; }
1082 | tBOTH { $$ = THREADING_BOTH; }
1083 ;
1084
1085 pointer_type:
1086 tREF { $$ = RPC_FC_RP; }
1087 | tUNIQUE { $$ = RPC_FC_UP; }
1088 | tPTR { $$ = RPC_FC_FP; }
1089 ;
1090
1091 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1092 ;
1093
1094 type: tVOID { $$ = type_new_void(); }
1095 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1096 | base_type { $$ = $1; }
1097 | enumdef { $$ = $1; }
1098 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1099 | structdef { $$ = $1; }
1100 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1101 | uniondef { $$ = $1; }
1102 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1103 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1104 ;
1105
1106 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1107 { reg_typedefs($3, $4, check_typedef_attrs($2));
1108 $$ = make_statement_typedef($4);
1109 }
1110 ;
1111
1112 uniondef: tUNION t_ident '{' ne_union_fields '}'
1113 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1114 | tUNION t_ident
1115 tSWITCH '(' s_field ')'
1116 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1117 ;
1118
1119 version:
1120 aNUM { $$ = MAKEVERSION($1, 0); }
1121 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1122 ;
1123
1124 %%
1125
1126 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1127 {
1128 type_t *t = type_new_basic(type);
1129 reg_type(t, name, 0);
1130 }
1131
1132 static void decl_builtin_alias(const char *name, type_t *t)
1133 {
1134 reg_type(type_new_alias(t, name), name, 0);
1135 }
1136
1137 void init_types(void)
1138 {
1139 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1140 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1141 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1142 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1143 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1144 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1145 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1146 }
1147
1148 static str_list_t *append_str(str_list_t *list, char *str)
1149 {
1150 struct str_list_entry_t *entry;
1151
1152 if (!str) return list;
1153 if (!list)
1154 {
1155 list = xmalloc( sizeof(*list) );
1156 list_init( list );
1157 }
1158 entry = xmalloc( sizeof(*entry) );
1159 entry->str = str;
1160 list_add_tail( list, &entry->entry );
1161 return list;
1162 }
1163
1164 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1165 {
1166 attr_t *attr_existing;
1167 if (!attr) return list;
1168 if (!list)
1169 {
1170 list = xmalloc( sizeof(*list) );
1171 list_init( list );
1172 }
1173 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1174 if (attr_existing->type == attr->type)
1175 {
1176 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1177 /* use the last attribute, like MIDL does */
1178 list_remove(&attr_existing->entry);
1179 break;
1180 }
1181 list_add_tail( list, &attr->entry );
1182 return list;
1183 }
1184
1185 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1186 {
1187 attr_t *attr;
1188 if (!src) return dst;
1189 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1190 if (attr->type == type)
1191 {
1192 list_remove(&attr->entry);
1193 return append_attr(dst, attr);
1194 }
1195 return dst;
1196 }
1197
1198 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1199 {
1200 struct list *entry;
1201
1202 if (!old_list) return new_list;
1203
1204 while ((entry = list_head(old_list)))
1205 {
1206 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1207 list_remove(entry);
1208 new_list = append_attr(new_list, attr);
1209 }
1210 return new_list;
1211 }
1212
1213 static attr_list_t *dupattrs(const attr_list_t *list)
1214 {
1215 attr_list_t *new_list;
1216 const attr_t *attr;
1217
1218 if (!list) return NULL;
1219
1220 new_list = xmalloc( sizeof(*list) );
1221 list_init( new_list );
1222 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1223 {
1224 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1225 *new_attr = *attr;
1226 list_add_tail(new_list, &new_attr->entry);
1227 }
1228 return new_list;
1229 }
1230
1231 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)
1232 {
1233 decl_spec_t *declspec = left ? left : right;
1234 if (!declspec)
1235 {
1236 declspec = xmalloc(sizeof(*declspec));
1237 declspec->type = NULL;
1238 declspec->attrs = NULL;
1239 declspec->stgclass = STG_NONE;
1240 }
1241 declspec->type = type;
1242 if (left && declspec != left)
1243 {
1244 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1245 if (declspec->stgclass == STG_NONE)
1246 declspec->stgclass = left->stgclass;
1247 else if (left->stgclass != STG_NONE)
1248 error_loc("only one storage class can be specified\n");
1249 assert(!left->type);
1250 free(left);
1251 }
1252 if (right && declspec != right)
1253 {
1254 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1255 if (declspec->stgclass == STG_NONE)
1256 declspec->stgclass = right->stgclass;
1257 else if (right->stgclass != STG_NONE)
1258 error_loc("only one storage class can be specified\n");
1259 assert(!right->type);
1260 free(right);
1261 }
1262
1263 declspec->attrs = append_attr(declspec->attrs, attr);
1264 if (declspec->stgclass == STG_NONE)
1265 declspec->stgclass = stgclass;
1266 else if (stgclass != STG_NONE)
1267 error_loc("only one storage class can be specified\n");
1268
1269 /* apply attributes to type */
1270 if (type && declspec->attrs)
1271 {
1272 attr_list_t *attrs;
1273 declspec->type = duptype(type, 1);
1274 attrs = dupattrs(type->attrs);
1275 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1276 declspec->attrs = NULL;
1277 }
1278
1279 return declspec;
1280 }
1281
1282 static attr_t *make_attr(enum attr_type type)
1283 {
1284 attr_t *a = xmalloc(sizeof(attr_t));
1285 a->type = type;
1286 a->u.ival = 0;
1287 return a;
1288 }
1289
1290 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1291 {
1292 attr_t *a = xmalloc(sizeof(attr_t));
1293 a->type = type;
1294 a->u.ival = val;
1295 return a;
1296 }
1297
1298 static attr_t *make_attrp(enum attr_type type, void *val)
1299 {
1300 attr_t *a = xmalloc(sizeof(attr_t));
1301 a->type = type;
1302 a->u.pval = val;
1303 return a;
1304 }
1305
1306 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1307 {
1308 if (!expr) return list;
1309 if (!list)
1310 {
1311 list = xmalloc( sizeof(*list) );
1312 list_init( list );
1313 }
1314 list_add_tail( list, &expr->entry );
1315 return list;
1316 }
1317
1318 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1319 {
1320 if (!expr) return list;
1321 if (!list)
1322 {
1323 list = xmalloc( sizeof(*list) );
1324 list_init( list );
1325 }
1326 list_add_tail( list, &expr->entry );
1327 return list;
1328 }
1329
1330 static struct list type_pool = LIST_INIT(type_pool);
1331 typedef struct
1332 {
1333 type_t data;
1334 struct list link;
1335 } type_pool_node_t;
1336
1337 type_t *alloc_type(void)
1338 {
1339 type_pool_node_t *node = xmalloc(sizeof *node);
1340 list_add_tail(&type_pool, &node->link);
1341 return &node->data;
1342 }
1343
1344 void set_all_tfswrite(int val)
1345 {
1346 type_pool_node_t *node;
1347 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1348 node->data.tfswrite = val;
1349 }
1350
1351 void clear_all_offsets(void)
1352 {
1353 type_pool_node_t *node;
1354 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1355 node->data.typestring_offset = node->data.ptrdesc = 0;
1356 }
1357
1358 static void type_function_add_head_arg(type_t *type, var_t *arg)
1359 {
1360 if (!type->details.function->args)
1361 {
1362 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1363 list_init( type->details.function->args );
1364 }
1365 list_add_head( type->details.function->args, &arg->entry );
1366 }
1367
1368 static int is_allowed_range_type(const type_t *type)
1369 {
1370 switch (type_get_type(type))
1371 {
1372 case TYPE_ENUM:
1373 return TRUE;
1374 case TYPE_BASIC:
1375 switch (type_basic_get_type(type))
1376 {
1377 case TYPE_BASIC_INT8:
1378 case TYPE_BASIC_INT16:
1379 case TYPE_BASIC_INT32:
1380 case TYPE_BASIC_INT64:
1381 case TYPE_BASIC_INT:
1382 case TYPE_BASIC_INT3264:
1383 case TYPE_BASIC_BYTE:
1384 case TYPE_BASIC_CHAR:
1385 case TYPE_BASIC_WCHAR:
1386 case TYPE_BASIC_HYPER:
1387 return TRUE;
1388 case TYPE_BASIC_FLOAT:
1389 case TYPE_BASIC_DOUBLE:
1390 case TYPE_BASIC_ERROR_STATUS_T:
1391 case TYPE_BASIC_HANDLE:
1392 return FALSE;
1393 }
1394 return FALSE;
1395 default:
1396 return FALSE;
1397 }
1398 }
1399
1400 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1401 {
1402 type_t *ptrchain_type;
1403 if (!ptrchain)
1404 return type;
1405 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1406 ;
1407 assert(ptrchain_type->type_type == TYPE_POINTER);
1408 ptrchain_type->details.pointer.ref = type;
1409 return ptrchain;
1410 }
1411
1412 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1413 int top)
1414 {
1415 var_t *v = decl->var;
1416 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1417 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1418 int sizeless;
1419 expr_t *dim;
1420 type_t **ptype;
1421 array_dims_t *arr = decl ? decl->array : NULL;
1422 type_t *func_type = decl ? decl->func_type : NULL;
1423 type_t *type = decl_spec->type;
1424
1425 if (is_attr(type->attrs, ATTR_INLINE))
1426 {
1427 if (!func_type)
1428 error_loc("inline attribute applied to non-function type\n");
1429 else
1430 {
1431 type_t *t;
1432 /* move inline attribute from return type node to function node */
1433 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1434 ;
1435 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1436 }
1437 }
1438
1439 /* add type onto the end of the pointers in pident->type */
1440 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1441 v->stgclass = decl_spec->stgclass;
1442 v->attrs = attrs;
1443
1444 /* check for pointer attribute being applied to non-pointer, non-array
1445 * type */
1446 if (!arr)
1447 {
1448 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1449 const type_t *ptr = NULL;
1450 /* pointer attributes on the left side of the type belong to the function
1451 * pointer, if one is being declared */
1452 type_t **pt = func_type ? &func_type : &v->type;
1453 for (ptr = *pt; ptr && !ptr_attr; )
1454 {
1455 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1456 if (!ptr_attr && type_is_alias(ptr))
1457 ptr = type_alias_get_aliasee(ptr);
1458 else
1459 break;
1460 }
1461 if (is_ptr(ptr))
1462 {
1463 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1464 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1465 warning_loc_info(&v->loc_info,
1466 "%s: pointer attribute applied to interface "
1467 "pointer type has no effect\n", v->name);
1468 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1469 {
1470 /* FIXME: this is a horrible hack to cope with the issue that we
1471 * store an offset to the typeformat string in the type object, but
1472 * two typeformat strings may be written depending on whether the
1473 * pointer is a toplevel parameter or not */
1474 *pt = duptype(*pt, 1);
1475 }
1476 }
1477 else if (ptr_attr)
1478 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1479 }
1480
1481 if (is_attr(v->attrs, ATTR_STRING))
1482 {
1483 type_t *t = type;
1484
1485 if (!is_ptr(v->type) && !arr)
1486 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1487 v->name);
1488
1489 while (is_ptr(t))
1490 t = type_pointer_get_ref(t);
1491
1492 if (type_get_type(t) != TYPE_BASIC &&
1493 (get_basic_fc(t) != RPC_FC_CHAR &&
1494 get_basic_fc(t) != RPC_FC_BYTE &&
1495 get_basic_fc(t) != RPC_FC_WCHAR))
1496 {
1497 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1498 v->name);
1499 }
1500 }
1501
1502 if (is_attr(v->attrs, ATTR_V1ENUM))
1503 {
1504 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1505 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1506 }
1507
1508 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1509 error_loc("'%s': [range] attribute applied to non-integer type\n",
1510 v->name);
1511
1512 ptype = &v->type;
1513 sizeless = FALSE;
1514 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1515 {
1516 if (sizeless)
1517 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1518
1519 if (dim->is_const)
1520 {
1521 if (dim->cval <= 0)
1522 error_loc("%s: array dimension must be positive\n", v->name);
1523
1524 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1525 if (0)
1526 {
1527 unsigned int size = type_memsize(v->type);
1528
1529 if (0xffffffffu / size < dim->cval)
1530 error_loc("%s: total array size is too large\n", v->name);
1531 }
1532 }
1533 else
1534 sizeless = TRUE;
1535
1536 *ptype = type_new_array(NULL, *ptype, FALSE,
1537 dim->is_const ? dim->cval : 0,
1538 dim->is_const ? NULL : dim, NULL,
1539 pointer_default);
1540 }
1541
1542 ptype = &v->type;
1543 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1544 {
1545 if (dim->type != EXPR_VOID)
1546 {
1547 if (is_array(*ptype))
1548 {
1549 if (!type_array_get_conformance(*ptype) ||
1550 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1551 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1552 else
1553 *ptype = type_new_array((*ptype)->name,
1554 type_array_get_element(*ptype), FALSE,
1555 0, dim, NULL, 0);
1556 }
1557 else if (is_ptr(*ptype))
1558 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1559 0, dim, NULL, pointer_default);
1560 else
1561 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1562 }
1563
1564 if (is_ptr(*ptype))
1565 ptype = &(*ptype)->details.pointer.ref;
1566 else if (is_array(*ptype))
1567 ptype = &(*ptype)->details.array.elem;
1568 else
1569 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1570 }
1571
1572 ptype = &v->type;
1573 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1574 {
1575 if (dim->type != EXPR_VOID)
1576 {
1577 if (is_array(*ptype))
1578 {
1579 *ptype = type_new_array((*ptype)->name,
1580 type_array_get_element(*ptype),
1581 type_array_is_decl_as_ptr(*ptype),
1582 type_array_get_dim(*ptype),
1583 type_array_get_conformance(*ptype),
1584 dim, type_array_get_ptr_default_fc(*ptype));
1585 }
1586 else
1587 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1588 }
1589
1590 if (is_ptr(*ptype))
1591 ptype = &(*ptype)->details.pointer.ref;
1592 else if (is_array(*ptype))
1593 ptype = &(*ptype)->details.array.elem;
1594 else
1595 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1596 }
1597
1598 /* v->type is currently pointing to the type on the left-side of the
1599 * declaration, so we need to fix this up so that it is the return type of the
1600 * function and make v->type point to the function side of the declaration */
1601 if (func_type)
1602 {
1603 type_t *ft, *t;
1604 type_t *return_type = v->type;
1605 v->type = func_type;
1606 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1607 ;
1608 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1609 ft->details.function->retval = make_var(xstrdup("_RetVal"));
1610 ft->details.function->retval->type = return_type;
1611 /* move calling convention attribute, if present, from pointer nodes to
1612 * function node */
1613 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1614 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1615 }
1616 else
1617 {
1618 type_t *t;
1619 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1620 if (is_attr(t->attrs, ATTR_CALLCONV))
1621 error_loc("calling convention applied to non-function-pointer type\n");
1622 }
1623
1624 if (decl->bits)
1625 v->type = type_new_bitfield(v->type, decl->bits);
1626
1627 return v;
1628 }
1629
1630 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1631 {
1632 declarator_t *decl, *next;
1633 var_list_t *var_list = NULL;
1634
1635 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1636 {
1637 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1638 var_list = append_var(var_list, var);
1639 free(decl);
1640 }
1641 free(decl_spec);
1642 return var_list;
1643 }
1644
1645 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1646 {
1647 if (!iface) return list;
1648 if (!list)
1649 {
1650 list = xmalloc( sizeof(*list) );
1651 list_init( list );
1652 }
1653 list_add_tail( list, &iface->entry );
1654 return list;
1655 }
1656
1657 static ifref_t *make_ifref(type_t *iface)
1658 {
1659 ifref_t *l = xmalloc(sizeof(ifref_t));
1660 l->iface = iface;
1661 l->attrs = NULL;
1662 return l;
1663 }
1664
1665 var_list_t *append_var(var_list_t *list, var_t *var)
1666 {
1667 if (!var) return list;
1668 if (!list)
1669 {
1670 list = xmalloc( sizeof(*list) );
1671 list_init( list );
1672 }
1673 list_add_tail( list, &var->entry );
1674 return list;
1675 }
1676
1677 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1678 {
1679 if (!vars) return list;
1680 if (!list)
1681 {
1682 list = xmalloc( sizeof(*list) );
1683 list_init( list );
1684 }
1685 list_move_tail( list, vars );
1686 return list;
1687 }
1688
1689 var_t *make_var(char *name)
1690 {
1691 var_t *v = xmalloc(sizeof(var_t));
1692 v->name = name;
1693 v->type = NULL;
1694 v->attrs = NULL;
1695 v->eval = NULL;
1696 v->stgclass = STG_NONE;
1697 init_loc_info(&v->loc_info);
1698 return v;
1699 }
1700
1701 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1702 {
1703 if (!d) return list;
1704 if (!list) {
1705 list = xmalloc(sizeof(*list));
1706 list_init(list);
1707 }
1708 list_add_tail(list, &d->entry);
1709 return list;
1710 }
1711
1712 static declarator_t *make_declarator(var_t *var)
1713 {
1714 declarator_t *d = xmalloc(sizeof(*d));
1715 d->var = var ? var : make_var(NULL);
1716 d->type = NULL;
1717 d->func_type = NULL;
1718 d->array = NULL;
1719 d->bits = NULL;
1720 return d;
1721 }
1722
1723 static type_t *make_safearray(type_t *type)
1724 {
1725 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1726 NULL, NULL, RPC_FC_RP);
1727 }
1728
1729 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1730 {
1731 typelib_t *typelib = xmalloc(sizeof(*typelib));
1732 typelib->name = xstrdup(name);
1733 typelib->attrs = attrs;
1734 list_init( &typelib->importlibs );
1735 return typelib;
1736 }
1737
1738 #define HASHMAX 64
1739
1740 static int hash_ident(const char *name)
1741 {
1742 const char *p = name;
1743 int sum = 0;
1744 /* a simple sum hash is probably good enough */
1745 while (*p) {
1746 sum += *p;
1747 p++;
1748 }
1749 return sum & (HASHMAX-1);
1750 }
1751
1752 /***** type repository *****/
1753
1754 struct rtype {
1755 const char *name;
1756 type_t *type;
1757 int t;
1758 struct rtype *next;
1759 };
1760
1761 struct rtype *type_hash[HASHMAX];
1762
1763 type_t *reg_type(type_t *type, const char *name, int t)
1764 {
1765 struct rtype *nt;
1766 int hash;
1767 if (!name) {
1768 error_loc("registering named type without name\n");
1769 return type;
1770 }
1771 hash = hash_ident(name);
1772 nt = xmalloc(sizeof(struct rtype));
1773 nt->name = name;
1774 nt->type = type;
1775 nt->t = t;
1776 nt->next = type_hash[hash];
1777 type_hash[hash] = nt;
1778 if ((t == tsSTRUCT || t == tsUNION))
1779 fix_incomplete_types(type);
1780 return type;
1781 }
1782
1783 static int is_incomplete(const type_t *t)
1784 {
1785 return !t->defined &&
1786 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1787 type_get_type_detect_alias(t) == TYPE_UNION ||
1788 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1789 }
1790
1791 void add_incomplete(type_t *t)
1792 {
1793 struct typenode *tn = xmalloc(sizeof *tn);
1794 tn->type = t;
1795 list_add_tail(&incomplete_types, &tn->entry);
1796 }
1797
1798 static void fix_type(type_t *t)
1799 {
1800 if (type_is_alias(t) && is_incomplete(t)) {
1801 type_t *ot = type_alias_get_aliasee(t);
1802 fix_type(ot);
1803 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1804 type_get_type_detect_alias(ot) == TYPE_UNION ||
1805 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1806 t->details.structure = ot->details.structure;
1807 t->defined = ot->defined;
1808 }
1809 }
1810
1811 static void fix_incomplete(void)
1812 {
1813 struct typenode *tn, *next;
1814
1815 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1816 fix_type(tn->type);
1817 list_remove(&tn->entry);
1818 free(tn);
1819 }
1820 }
1821
1822 static void fix_incomplete_types(type_t *complete_type)
1823 {
1824 struct typenode *tn, *next;
1825
1826 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1827 {
1828 if (type_is_equal(complete_type, tn->type))
1829 {
1830 tn->type->details.structure = complete_type->details.structure;
1831 list_remove(&tn->entry);
1832 free(tn);
1833 }
1834 }
1835 }
1836
1837 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1838 {
1839 const declarator_t *decl;
1840 type_t *type = decl_spec->type;
1841
1842 /* We must generate names for tagless enum, struct or union.
1843 Typedef-ing a tagless enum, struct or union means we want the typedef
1844 to be included in a library hence the public attribute. */
1845 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1846 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1847 type_get_type_detect_alias(type) == TYPE_UNION ||
1848 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1849 !type->name && !parse_only)
1850 {
1851 if (! is_attr(attrs, ATTR_PUBLIC))
1852 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1853 type->name = gen_name();
1854 }
1855 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1856 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1857
1858 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1859 {
1860
1861 if (decl->var->name) {
1862 type_t *cur;
1863 var_t *name;
1864
1865 cur = find_type(decl->var->name, 0);
1866 if (cur)
1867 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1868 cur->name, cur->loc_info.input_name,
1869 cur->loc_info.line_number);
1870
1871 name = declare_var(attrs, decl_spec, decl, 0);
1872 cur = type_new_alias(name->type, name->name);
1873 cur->attrs = attrs;
1874
1875 if (is_incomplete(cur))
1876 add_incomplete(cur);
1877 reg_type(cur, cur->name, 0);
1878 }
1879 }
1880 return type;
1881 }
1882
1883 type_t *find_type(const char *name, int t)
1884 {
1885 struct rtype *cur = type_hash[hash_ident(name)];
1886 while (cur && (cur->t != t || strcmp(cur->name, name)))
1887 cur = cur->next;
1888 return cur ? cur->type : NULL;
1889 }
1890
1891 static type_t *find_type_or_error(const char *name, int t)
1892 {
1893 type_t *type = find_type(name, t);
1894 if (!type) {
1895 error_loc("type '%s' not found\n", name);
1896 return NULL;
1897 }
1898 return type;
1899 }
1900
1901 static type_t *find_type_or_error2(char *name, int t)
1902 {
1903 type_t *tp = find_type_or_error(name, t);
1904 free(name);
1905 return tp;
1906 }
1907
1908 int is_type(const char *name)
1909 {
1910 return find_type(name, 0) != NULL;
1911 }
1912
1913 type_t *get_type(enum type_type type, char *name, int t)
1914 {
1915 type_t *tp;
1916 if (name) {
1917 tp = find_type(name, t);
1918 if (tp) {
1919 free(name);
1920 return tp;
1921 }
1922 }
1923 tp = make_type(type);
1924 tp->name = name;
1925 if (!name) return tp;
1926 return reg_type(tp, name, t);
1927 }
1928
1929 /***** constant repository *****/
1930
1931 struct rconst {
1932 char *name;
1933 var_t *var;
1934 struct rconst *next;
1935 };
1936
1937 struct rconst *const_hash[HASHMAX];
1938
1939 static var_t *reg_const(var_t *var)
1940 {
1941 struct rconst *nc;
1942 int hash;
1943 if (!var->name) {
1944 error_loc("registering constant without name\n");
1945 return var;
1946 }
1947 hash = hash_ident(var->name);
1948 nc = xmalloc(sizeof(struct rconst));
1949 nc->name = var->name;
1950 nc->var = var;
1951 nc->next = const_hash[hash];
1952 const_hash[hash] = nc;
1953 return var;
1954 }
1955
1956 var_t *find_const(const char *name, int f)
1957 {
1958 struct rconst *cur = const_hash[hash_ident(name)];
1959 while (cur && strcmp(cur->name, name))
1960 cur = cur->next;
1961 if (!cur) {
1962 if (f) error_loc("constant '%s' not found\n", name);
1963 return NULL;
1964 }
1965 return cur->var;
1966 }
1967
1968 static char *gen_name(void)
1969 {
1970 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1971 static unsigned long n = 0;
1972 static const char *file_id;
1973 static size_t size;
1974 char *name;
1975
1976 if (! file_id)
1977 {
1978 char *dst = dup_basename(input_name, ".idl");
1979 file_id = dst;
1980
1981 for (; *dst; ++dst)
1982 if (! isalnum((unsigned char) *dst))
1983 *dst = '_';
1984
1985 size = sizeof format - 7 + strlen(file_id) + 8;
1986 }
1987
1988 name = xmalloc(size);
1989 sprintf(name, format, file_id, n++);
1990 return name;
1991 }
1992
1993 struct allowed_attr
1994 {
1995 unsigned int dce_compatible : 1;
1996 unsigned int acf : 1;
1997 unsigned int on_interface : 1;
1998 unsigned int on_function : 1;
1999 unsigned int on_arg : 1;
2000 unsigned int on_type : 1;
2001 unsigned int on_enum : 1;
2002 unsigned int on_struct : 1;
2003 unsigned int on_union : 1;
2004 unsigned int on_field : 1;
2005 unsigned int on_library : 1;
2006 unsigned int on_dispinterface : 1;
2007 unsigned int on_module : 1;
2008 unsigned int on_coclass : 1;
2009 const char *display_name;
2010 };
2011
2012 struct allowed_attr allowed_attr[] =
2013 {
2014 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2015 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2016 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2017 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2018 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2019 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2020 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2021 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2022 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2023 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2024 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2025 /* ATTR_CODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "code" },
2026 /* ATTR_COMMSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "comm_status" },
2027 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2028 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2029 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2030 /* ATTR_DECODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
2031 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2032 /* ATTR_DEFAULTBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
2033 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2034 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2035 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2036 /* ATTR_DISABLECONSISTENCYCHECK */{ 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "disable_consistency_check" },
2037 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2038 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2039 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2040 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2041 /* ATTR_ENABLEALLOCATE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "enable_allocate" },
2042 /* ATTR_ENCODE */ { 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "encode" },
2043 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2044 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2045 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2046 /* ATTR_FAULTSTATUS */ { 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "fault_status" },
2047 /* ATTR_FORCEALLOCATE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "force_allocate" },
2048 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2049 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2050 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2051 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2052 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2053 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2054 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2055 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2056 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2057 /* ATTR_IGNORE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "ignore" },
2058 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2059 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2060 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2061 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2062 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2063 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2064 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2065 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2066 /* ATTR_LICENSED */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "licensed" },
2067 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2068 /* ATTR_MAYBE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "maybe" },
2069 /* ATTR_MESSAGE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "message" },
2070 /* ATTR_NOCODE */ { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nocode" },
2071 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2072 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2073 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2074 /* ATTR_NOTIFY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify" },
2075 /* ATTR_NOTIFYFLAG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "notify_flag" },
2076 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2077 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2078 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2079 /* ATTR_OPTIMIZE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optimize" },
2080 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2081 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2082 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2083 /* ATTR_PARTIALIGNORE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "partial_ignore" },
2084 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2085 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2086 /* ATTR_PROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "progid" },
2087 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2088 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2089 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2090 /* ATTR_PROXY */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "proxy" },
2091 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2092 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2093 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2094 /* ATTR_REPRESENTAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "represent_as" },
2095 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2096 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2097 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2098 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2099 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2100 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2101 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2102 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2103 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2104 /* ATTR_THREADING */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "threading" },
2105 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2106 /* ATTR_UIDEFAULT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "uidefault" },
2107 /* ATTR_USESGETLASTERROR */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "usesgetlasterror" },
2108 /* ATTR_USERMARSHAL */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "user_marshal" },
2109 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2110 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2111 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2112 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "version" },
2113 /* ATTR_VIPROGID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "vi_progid" },
2114 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2115 };
2116
2117 const char *get_attr_display_name(enum attr_type type)
2118 {
2119 return allowed_attr[type].display_name;
2120 }
2121
2122 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2123 {
2124 const attr_t *attr;
2125 if (!attrs) return attrs;
2126 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2127 {
2128 if (!allowed_attr[attr->type].on_interface)
2129 error_loc("inapplicable attribute %s for interface %s\n",
2130 allowed_attr[attr->type].display_name, name);
2131 if (attr->type == ATTR_IMPLICIT_HANDLE)
2132 {
2133 const var_t *var = attr->u.pval;
2134 if (type_get_type( var->type) == TYPE_BASIC &&
2135 type_basic_get_type( var->type ) == TYPE_BASIC_HANDLE)
2136 continue;
2137 if (is_aliaschain_attr( var->type, ATTR_HANDLE ))
2138 continue;
2139 error_loc("attribute %s requires a handle type in interface %s\n",
2140 allowed_attr[attr->type].display_name, name);
2141 }
2142 }
2143 return attrs;
2144 }
2145
2146 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2147 {
2148 const attr_t *attr;
2149 if (!attrs) return attrs;
2150 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2151 {
2152 if (!allowed_attr[attr->type].on_function)
2153 error_loc("inapplicable attribute %s for function %s\n",
2154 allowed_attr[attr->type].display_name, name);
2155 }
2156 return attrs;
2157 }
2158
2159 static void check_arg_attrs(const var_t *arg)
2160 {
2161 const attr_t *attr;
2162
2163 if (arg->attrs)
2164 {
2165 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2166 {
2167 if (!allowed_attr[attr->type].on_arg)
2168 error_loc("inapplicable attribute %s for argument %s\n",
2169 allowed_attr[attr->type].display_name, arg->name);
2170 }
2171 }
2172 }
2173
2174 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2175 {
2176 const attr_t *attr;
2177 if (!attrs) return attrs;
2178 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2179 {
2180 if (!allowed_attr[attr->type].on_type)
2181 error_loc("inapplicable attribute %s for typedef\n",
2182 allowed_attr[attr->type].display_name);
2183 }
2184 return attrs;
2185 }
2186
2187 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2188 {
2189 const attr_t *attr;
2190 if (!attrs) return attrs;
2191 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2192 {
2193 if (!allowed_attr[attr->type].on_enum)
2194 error_loc("inapplicable attribute %s for enum\n",
2195 allowed_attr[attr->type].display_name);
2196 }
2197 return attrs;
2198 }
2199
2200 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2201 {
2202 const attr_t *attr;
2203 if (!attrs) return attrs;
2204 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2205 {
2206 if (!allowed_attr[attr->type].on_struct)
2207 error_loc("inapplicable attribute %s for struct\n",
2208 allowed_attr[attr->type].display_name);
2209 }
2210 return attrs;
2211 }
2212
2213 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2214 {
2215 const attr_t *attr;
2216 if (!attrs) return attrs;
2217 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2218 {
2219 if (!allowed_attr[attr->type].on_union)
2220 error_loc("inapplicable attribute %s for union\n",
2221 allowed_attr[attr->type].display_name);
2222 }
2223 return attrs;
2224 }
2225
2226 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2227 {
2228 const attr_t *attr;
2229 if (!attrs) return attrs;
2230 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2231 {
2232 if (!allowed_attr[attr->type].on_field)
2233 error_loc("inapplicable attribute %s for field %s\n",
2234 allowed_attr[attr->type].display_name, name);
2235 }
2236 return attrs;
2237 }
2238
2239 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2240 {
2241 const attr_t *attr;
2242 if (!attrs) return attrs;
2243 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2244 {
2245 if (!allowed_attr[attr->type].on_library)
2246 error_loc("inapplicable attribute %s for library %s\n",
2247 allowed_attr[attr->type].display_name, name);
2248 }
2249 return attrs;
2250 }
2251
2252 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2253 {
2254 const attr_t *attr;
2255 if (!attrs) return attrs;
2256 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2257 {
2258 if (!allowed_attr[attr->type].on_dispinterface)
2259 error_loc("inapplicable attribute %s for dispinterface %s\n",
2260 allowed_attr[attr->type].display_name, name);
2261 }
2262 return attrs;
2263 }
2264
2265 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2266 {
2267 const attr_t *attr;
2268 if (!attrs) return attrs;
2269 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2270 {
2271 if (!allowed_attr[attr->type].on_module)
2272 error_loc("inapplicable attribute %s for module %s\n",
2273 allowed_attr[attr->type].display_name, name);
2274 }
2275 return attrs;
2276 }
2277
2278 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2279 {
2280 const attr_t *attr;
2281 if (!attrs) return attrs;
2282 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2283 {
2284 if (!allowed_attr[attr->type].on_coclass)
2285 error_loc("inapplicable attribute %s for coclass %s\n",
2286 allowed_attr[attr->type].display_name, name);
2287 }
2288 return attrs;
2289 }
2290
2291 static int is_allowed_conf_type(const type_t *type)
2292 {
2293 switch (type_get_type(type))
2294 {
2295 case TYPE_ENUM:
2296 return TRUE;
2297 case TYPE_BASIC:
2298 switch (type_basic_get_type(type))
2299 {
2300 case TYPE_BASIC_INT8:
2301 case TYPE_BASIC_INT16:
2302 case TYPE_BASIC_INT32:
2303 case TYPE_BASIC_INT64:
2304 case TYPE_BASIC_INT:
2305 case TYPE_BASIC_CHAR:
2306 case TYPE_BASIC_HYPER:
2307 case TYPE_BASIC_BYTE:
2308 case TYPE_BASIC_WCHAR:
2309 return TRUE;
2310 default:
2311 return FALSE;
2312 }
2313 case TYPE_ALIAS:
2314 /* shouldn't get here because of type_get_type call above */
2315 assert(0);
2316 /* fall through */
2317 case TYPE_STRUCT:
2318 case TYPE_UNION:
2319 case TYPE_ENCAPSULATED_UNION:
2320 case TYPE_ARRAY:
2321 case TYPE_POINTER:
2322 case TYPE_VOID:
2323 case TYPE_MODULE:
2324 case TYPE_COCLASS:
2325 case TYPE_FUNCTION:
2326 case TYPE_INTERFACE:
2327 case TYPE_BITFIELD:
2328 return FALSE;
2329 }
2330 return FALSE;
2331 }
2332
2333 static int is_ptr_guid_type(const type_t *type)
2334 {
2335 /* first, make sure it is a pointer to something */
2336 if (!is_ptr(type)) return FALSE;
2337
2338 /* second, make sure it is a pointer to something of size sizeof(GUID),
2339 * i.e. 16 bytes */
2340 return (type_memsize(type_pointer_get_ref(type)) == 16);
2341 }
2342
2343 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2344 {
2345 expr_t *dim;
2346 struct expr_loc expr_loc;
2347 expr_loc.v = arg;
2348 expr_loc.attr = attr_name;
2349 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2350 {
2351 if (dim->type != EXPR_VOID)
2352 {
2353 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2354 if (!is_allowed_conf_type(expr_type))
2355 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2356 attr_name);
2357 }
2358 }
2359 }
2360
2361 static void check_remoting_fields(const var_t *var, type_t *type);
2362
2363 /* checks that properties common to fields and arguments are consistent */
2364 static void check_field_common(const type_t *container_type,
2365 const char *container_name, const var_t *arg)
2366 {
2367 type_t *type = arg->type;
2368 int more_to_do;
2369 const char *container_type_name;
2370 const char *var_type;
2371
2372 switch (type_get_type(container_type))
2373 {
2374 case TYPE_STRUCT:
2375 container_type_name = "struct";
2376 var_type = "field";
2377 break;
2378 case TYPE_UNION:
2379 container_type_name = "union";
2380 var_type = "arm";
2381 break;
2382 case TYPE_ENCAPSULATED_UNION:
2383 container_type_name = "encapsulated union";
2384 var_type = "arm";
2385 break;
2386 case TYPE_FUNCTION:
2387 container_type_name = "function";
2388 var_type = "parameter";
2389 break;
2390 default:
2391 /* should be no other container types */
2392 assert(0);
2393 return;
2394 }
2395
2396 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2397 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2398 error_loc_info(&arg->loc_info,
2399 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2400 arg->name);
2401
2402 if (is_attr(arg->attrs, ATTR_SIZEIS))
2403 {
2404 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2405 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2406 }
2407 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2408 {
2409 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2410 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2411 }
2412 if (is_attr(arg->attrs, ATTR_IIDIS))
2413 {
2414 struct expr_loc expr_loc;
2415 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2416 if (expr->type != EXPR_VOID)
2417 {
2418 const type_t *expr_type;
2419 expr_loc.v = arg;
2420 expr_loc.attr = "iid_is";
2421 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2422 if (!expr_type || !is_ptr_guid_type(expr_type))
2423 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2424 }
2425 }
2426 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2427 {
2428 struct expr_loc expr_loc;
2429 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2430 if (expr->type != EXPR_VOID)
2431 {
2432 const type_t *expr_type;
2433 expr_loc.v = arg;
2434 expr_loc.attr = "switch_is";
2435 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2436 if (!expr_type || !is_allowed_conf_type(expr_type))
2437 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2438 expr_loc.attr);
2439 }
2440 }
2441
2442 do
2443 {
2444 more_to_do = FALSE;
2445
2446 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2447 {
2448 case TGT_STRUCT:
2449 case TGT_UNION:
2450 check_remoting_fields(arg, type);
2451 break;
2452 case TGT_INVALID:
2453 {
2454 const char *reason = "is invalid";
2455 switch (type_get_type(type))
2456 {
2457 case TYPE_VOID:
2458 reason = "cannot derive from void *";
2459 break;
2460 case TYPE_FUNCTION:
2461 reason = "cannot be a function pointer";
2462 break;
2463 case TYPE_BITFIELD:
2464 reason = "cannot be a bit-field";
2465 break;
2466 case TYPE_COCLASS:
2467 reason = "cannot be a class";
2468 break;
2469 case TYPE_INTERFACE:
2470 reason = "cannot be a non-pointer to an interface";
2471 break;
2472 case TYPE_MODULE:
2473 reason = "cannot be a module";
2474 break;
2475 default:
2476 break;
2477 }
2478 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2479 var_type, arg->name, container_type_name, container_name, reason);
2480 break;
2481 }
2482 case TGT_CTXT_HANDLE:
2483 case TGT_CTXT_HANDLE_POINTER:
2484 if (type_get_type(container_type) != TYPE_FUNCTION)
2485 error_loc_info(&arg->loc_info,
2486 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2487 var_type, arg->name, container_type_name,
2488 container_name);
2489 break;
2490 case TGT_STRING:
2491 {
2492 const type_t *t = type;
2493 while (is_ptr(t))
2494 t = type_pointer_get_ref(t);
2495 if (is_aliaschain_attr(t, ATTR_RANGE))
2496 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2497 break;
2498 }
2499 case TGT_POINTER:
2500 type = type_pointer_get_ref(type);
2501 more_to_do = TRUE;
2502 break;
2503 case TGT_ARRAY:
2504 type = type_array_get_element(type);
2505 more_to_do = TRUE;
2506 break;
2507 case TGT_USER_TYPE:
2508 case TGT_IFACE_POINTER:
2509 case TGT_BASIC:
2510 case TGT_ENUM:
2511 case TGT_RANGE:
2512 /* nothing to do */
2513 break;
2514 }
2515 } while (more_to_do);
2516 }
2517
2518 static void check_remoting_fields(const var_t *var, type_t *type)
2519 {
2520 const var_t *field;
2521 const var_list_t *fields = NULL;
2522
2523 type = type_get_real_type(type);
2524
2525 if (type->checked)
2526 return;
2527
2528 type->checked = TRUE;
2529
2530 if (type_get_type(type) == TYPE_STRUCT)
2531 {
2532 if (type_is_complete(type))
2533 fields = type_struct_get_fields(type);
2534 else
2535 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2536 }
2537 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2538 fields = type_union_get_cases(type);
2539
2540 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2541 if (field->type) check_field_common(type, type->name, field);
2542 }
2543
2544 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2545 static void check_remoting_args(const var_t *func)
2546 {
2547 const char *funcname = func->name;
2548 const var_t *arg;
2549
2550 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2551 {
2552 const type_t *type = arg->type;
2553
2554 /* check that [out] parameters have enough pointer levels */
2555 if (is_attr(arg->attrs, ATTR_OUT))
2556 {
2557 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2558 {
2559 case TGT_BASIC:
2560 case TGT_ENUM:
2561 case TGT_RANGE:
2562 case TGT_STRUCT:
2563 case TGT_UNION:
2564 case TGT_CTXT_HANDLE:
2565 case TGT_USER_TYPE:
2566 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2567 break;
2568 case TGT_IFACE_POINTER:
2569 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2570 break;
2571 case TGT_STRING:
2572 if (is_array(type))
2573 {
2574 /* needs conformance or fixed dimension */
2575 if (type_array_has_conformance(type) &&
2576 type_array_get_conformance(type)->type != EXPR_VOID) break;
2577 if (!type_array_has_conformance(type) && type_array_get_dim(type)) break;
2578 }
2579 if (is_attr( arg->attrs, ATTR_IN )) break;
2580 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2581 break;
2582 case TGT_INVALID:
2583 /* already error'd before we get here */
2584 case TGT_CTXT_HANDLE_POINTER:
2585 case TGT_POINTER:
2586 case TGT_ARRAY:
2587 /* OK */
2588 break;
2589 }
2590 }
2591
2592 check_field_common(func->type, funcname, arg);
2593 }
2594
2595 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2596 {
2597 var_t var;
2598 var = *func;
2599 var.type = type_function_get_rettype(func->type);
2600 var.name = xstrdup("return value");
2601 check_field_common(func->type, funcname, &var);
2602 free(var.name);
2603 }
2604 }
2605
2606 static void add_explicit_handle_if_necessary(const type_t *iface, var_t *func)
2607 {
2608 unsigned char explicit_fc, implicit_fc;
2609
2610 /* check for a defined binding handle */
2611 if (!get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ) || !explicit_fc)
2612 {
2613 /* no explicit handle specified so add
2614 * "[in] handle_t IDL_handle" as the first parameter to the
2615 * function */
2616 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2617 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2618 idl_handle->type = find_type_or_error("handle_t", 0);
2619 type_function_add_head_arg(func->type, idl_handle);
2620 }
2621 }
2622
2623 static void check_functions(const type_t *iface, int is_inside_library)
2624 {
2625 const statement_t *stmt;
2626 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2627 {
2628 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2629 {
2630 var_t *func = stmt->u.var;
2631 add_explicit_handle_if_necessary(iface, func);
2632 }
2633 }
2634 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2635 {
2636 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2637 {
2638 const var_t *func = stmt->u.var;
2639 if (!is_attr(func->attrs, ATTR_LOCAL))
2640 check_remoting_args(func);
2641 }
2642 }
2643 }
2644
2645 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2646 {
2647 const statement_t *stmt;
2648
2649 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2650 {
2651 if (stmt->type == STMT_LIBRARY)
2652 check_statements(stmt->u.lib->stmts, TRUE);
2653 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2654 check_functions(stmt->u.type, is_inside_library);
2655 }
2656 }
2657
2658 static void check_all_user_types(const statement_list_t *stmts)
2659 {
2660 const statement_t *stmt;
2661
2662 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2663 {
2664 if (stmt->type == STMT_LIBRARY)
2665 check_all_user_types(stmt->u.lib->stmts);
2666 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2667 !is_local(stmt->u.type->attrs))
2668 {
2669 const statement_t *stmt_func;
2670 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2671 const var_t *func = stmt_func->u.var;
2672 check_for_additional_prototype_types(func->type->details.function->args);
2673 }
2674 }
2675 }
2676 }
2677
2678 int is_valid_uuid(const char *s)
2679 {
2680 int i;
2681
2682 for (i = 0; i < 36; ++i)
2683 if (i == 8 || i == 13 || i == 18 || i == 23)
2684 {
2685 if (s[i] != '-')
2686 return FALSE;
2687 }
2688 else
2689 if (!isxdigit(s[i]))
2690 return FALSE;
2691
2692 return s[i] == '\0';
2693 }
2694
2695 static statement_t *make_statement(enum statement_type type)
2696 {
2697 statement_t *stmt = xmalloc(sizeof(*stmt));
2698 stmt->type = type;
2699 return stmt;
2700 }
2701
2702 static statement_t *make_statement_type_decl(type_t *type)
2703 {
2704 statement_t *stmt = make_statement(STMT_TYPE);
2705 stmt->u.type = type;
2706 return stmt;
2707 }
2708
2709 static statement_t *make_statement_reference(type_t *type)
2710 {
2711 statement_t *stmt = make_statement(STMT_TYPEREF);
2712 stmt->u.type = type;
2713 return stmt;
2714 }
2715
2716 static statement_t *make_statement_declaration(var_t *var)
2717 {
2718 statement_t *stmt = make_statement(STMT_DECLARATION);
2719 stmt->u.var = var;
2720 if (var->stgclass == STG_EXTERN && var->eval)
2721 warning("'%s' initialised and declared extern\n", var->name);
2722 if (is_const_decl(var))
2723 {
2724 if (var->eval)
2725 reg_const(var);
2726 }
2727 else if (type_get_type(var->type) == TYPE_FUNCTION)
2728 check_function_attrs(var->name, var->attrs);
2729 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2730 error_loc("instantiation of data is illegal\n");
2731 return stmt;
2732 }
2733
2734 static statement_t *make_statement_library(typelib_t *typelib)
2735 {
2736 statement_t *stmt = make_statement(STMT_LIBRARY);
2737 stmt->u.lib = typelib;
2738 return stmt;
2739 }
2740
2741 static statement_t *make_statement_cppquote(const char *str)
2742 {
2743 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2744 stmt->u.str = str;
2745 return stmt;
2746 }
2747
2748 static statement_t *make_statement_importlib(const char *str)
2749 {
2750 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2751 stmt->u.str = str;
2752 return stmt;
2753 }
2754
2755 static statement_t *make_statement_import(const char *str)
2756 {
2757 statement_t *stmt = make_statement(STMT_IMPORT);
2758 stmt->u.str = str;
2759 return stmt;
2760 }
2761
2762 static statement_t *make_statement_module(type_t *type)
2763 {
2764 statement_t *stmt = make_statement(STMT_MODULE);
2765 stmt->u.type = type;
2766 return stmt;
2767 }
2768
2769 static statement_t *make_statement_typedef(declarator_list_t *decls)
2770 {
2771 declarator_t *decl, *next;
2772 statement_t *stmt;
2773 type_list_t **type_list;
2774
2775 if (!decls) return NULL;
2776
2777 stmt = make_statement(STMT_TYPEDEF);
2778 stmt->u.type_list = NULL;
2779 type_list = &stmt->u.type_list;
2780
2781 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2782 {
2783 var_t *var = decl->var;
2784 type_t *type = find_type_or_error(var->name, 0);
2785 *type_list = xmalloc(sizeof(type_list_t));
2786 (*type_list)->type = type;
2787 (*type_list)->next = NULL;
2788
2789 type_list = &(*type_list)->next;
2790 free(decl);
2791 free(var);
2792 }
2793
2794 return stmt;
2795 }
2796
2797 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2798 {
2799 if (!stmt) return list;
2800 if (!list)
2801 {
2802 list = xmalloc( sizeof(*list) );
2803 list_init( list );
2804 }
2805 list_add_tail( list, &stmt->entry );
2806 return list;
2807 }
2808
2809 void init_loc_info(loc_info_t *i)
2810 {
2811 i->input_name = input_name ? input_name : "stdin";
2812 i->line_number = line_number;
2813 i->near_text = parser_text;
2814 }
2815
2816 static void check_def(const type_t *t)
2817 {
2818 if (t->defined)
2819 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2820 t->name, t->loc_info.input_name, t->loc_info.line_number);
2821 }
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