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push bf834a7eef2241618d351018da1587a7ae2466d1
[wine/hacks.git] / tools / widl / parser.y
blob084b5b3d2a06f475b4b4800c152041193a6d1709
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 #ifdef HAVE_ALLOCA_H
32 #include <alloca.h>
33 #endif
34
35 #include "widl.h"
36 #include "utils.h"
37 #include "parser.h"
38 #include "header.h"
39 #include "typelib.h"
40 #include "typegen.h"
41 #include "expr.h"
42 #include "typetree.h"
43
44 #if defined(YYBYACC)
45 /* Berkeley yacc (byacc) doesn't seem to know about these */
46 /* Some *BSD supplied versions do define these though */
47 # ifndef YYEMPTY
48 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
49 # endif
50 # ifndef YYLEX
51 # define YYLEX yylex()
52 # endif
53
54 #elif defined(YYBISON)
55 /* Bison was used for original development */
56 /* #define YYEMPTY -2 */
57 /* #define YYLEX yylex() */
58
59 #else
60 /* No yacc we know yet */
61 # if !defined(YYEMPTY) || !defined(YYLEX)
62 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
63 # elif defined(__GNUC__) /* gcc defines the #warning directive */
64 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
65 /* #else we just take a chance that it works... */
66 # endif
67 #endif
68
69 #define YYERROR_VERBOSE
70
71 unsigned char pointer_default = RPC_FC_UP;
72 static int is_object_interface = FALSE;
73
74 typedef struct list typelist_t;
75 struct typenode {
76 type_t *type;
77 struct list entry;
78 };
79
80 struct _import_t
81 {
82 char *name;
83 int import_performed;
84 };
85
86 typedef struct _decl_spec_t
87 {
88 type_t *type;
89 attr_list_t *attrs;
90 enum storage_class stgclass;
91 } decl_spec_t;
92
93 typelist_t incomplete_types = LIST_INIT(incomplete_types);
94
95 static void add_incomplete(type_t *t);
96 static void fix_incomplete(void);
97 static void fix_incomplete_types(type_t *complete_type);
98
99 static str_list_t *append_str(str_list_t *list, char *str);
100 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
101 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
102 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);
103 static attr_t *make_attr(enum attr_type type);
104 static attr_t *make_attrv(enum attr_type type, unsigned long val);
105 static attr_t *make_attrp(enum attr_type type, void *val);
106 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
107 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
108 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
109 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
110 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
111 static ifref_t *make_ifref(type_t *iface);
112 static var_list_t *append_var(var_list_t *list, var_t *var);
113 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
114 static var_t *make_var(char *name);
115 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
116 static declarator_t *make_declarator(var_t *var);
117 static func_list_t *append_func(func_list_t *list, func_t *func);
118 static func_t *make_func(var_t *def);
119 static type_t *make_class(char *name);
120 static type_t *make_safearray(type_t *type);
121 static type_t *make_builtin(char *name);
122 static type_t *make_int(int sign);
123 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
124 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
125
126 static type_t *type_new_enum(char *name, var_list_t *enums);
127 static type_t *type_new_struct(char *name, int defined, var_list_t *fields);
128 static type_t *type_new_nonencapsulated_union(char *name, var_list_t *fields);
129 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases);
130
131 static type_t *reg_type(type_t *type, const char *name, int t);
132 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
133 static type_t *find_type_or_error(const char *name, int t);
134 static type_t *find_type_or_error2(char *name, int t);
135 static type_t *get_type(unsigned char type, char *name, int t);
136
137 static var_t *reg_const(var_t *var);
138
139 static char *gen_name(void);
140 static void check_arg(var_t *arg);
141 static void check_statements(const statement_list_t *stmts, int is_inside_library);
142 static void check_all_user_types(const statement_list_t *stmts);
143 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
144 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
145 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
146 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
147 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
148 static attr_list_t *check_union_attrs(attr_list_t *attrs);
149 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
150 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
152 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
153 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
154 const char *get_attr_display_name(enum attr_type type);
155 static void add_explicit_handle_if_necessary(var_t *func);
156 static void check_def(const type_t *t);
157
158 static statement_t *make_statement(enum statement_type type);
159 static statement_t *make_statement_type_decl(type_t *type);
160 static statement_t *make_statement_reference(type_t *type);
161 static statement_t *make_statement_declaration(var_t *var);
162 static statement_t *make_statement_library(typelib_t *typelib);
163 static statement_t *make_statement_cppquote(const char *str);
164 static statement_t *make_statement_importlib(const char *str);
165 static statement_t *make_statement_module(type_t *type);
166 static statement_t *make_statement_typedef(var_list_t *names);
167 static statement_t *make_statement_import(const char *str);
168 static statement_t *make_statement_typedef(var_list_t *names);
169 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
170
171 #define tsENUM 1
172 #define tsSTRUCT 2
173 #define tsUNION 3
174
175 %}
176 %union {
177 attr_t *attr;
178 attr_list_t *attr_list;
179 str_list_t *str_list;
180 expr_t *expr;
181 expr_list_t *expr_list;
182 array_dims_t *array_dims;
183 type_t *type;
184 var_t *var;
185 var_list_t *var_list;
186 declarator_t *declarator;
187 declarator_list_t *declarator_list;
188 func_t *func;
189 func_list_t *func_list;
190 statement_t *statement;
191 statement_list_t *stmt_list;
192 ifref_t *ifref;
193 ifref_list_t *ifref_list;
194 char *str;
195 UUID *uuid;
196 unsigned int num;
197 double dbl;
198 interface_info_t ifinfo;
199 typelib_t *typelib;
200 struct _import_t *import;
201 struct _decl_spec_t *declspec;
202 enum storage_class stgclass;
203 }
204
205 %token <str> aIDENTIFIER
206 %token <str> aKNOWNTYPE
207 %token <num> aNUM aHEXNUM
208 %token <dbl> aDOUBLE
209 %token <str> aSTRING aWSTRING
210 %token <uuid> aUUID
211 %token aEOF
212 %token SHL SHR
213 %token MEMBERPTR
214 %token EQUALITY INEQUALITY
215 %token GREATEREQUAL LESSEQUAL
216 %token LOGICALOR LOGICALAND
217 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
218 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
219 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
220 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
221 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
222 %token tDEFAULT
223 %token tDEFAULTCOLLELEM
224 %token tDEFAULTVALUE
225 %token tDEFAULTVTABLE
226 %token tDISPLAYBIND
227 %token tDISPINTERFACE
228 %token tDLLNAME tDOUBLE tDUAL
229 %token tENDPOINT
230 %token tENTRY tENUM tERRORSTATUST
231 %token tEXPLICITHANDLE tEXTERN
232 %token tFALSE
233 %token tFASTCALL
234 %token tFLOAT
235 %token tHANDLE
236 %token tHANDLET
237 %token tHELPCONTEXT tHELPFILE
238 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
239 %token tHIDDEN
240 %token tHYPER tID tIDEMPOTENT
241 %token tIIDIS
242 %token tIMMEDIATEBIND
243 %token tIMPLICITHANDLE
244 %token tIMPORT tIMPORTLIB
245 %token tIN tIN_LINE tINLINE
246 %token tINPUTSYNC
247 %token tINT tINT64
248 %token tINTERFACE
249 %token tLCID
250 %token tLENGTHIS tLIBRARY
251 %token tLOCAL
252 %token tLONG
253 %token tMETHODS
254 %token tMODULE
255 %token tNONBROWSABLE
256 %token tNONCREATABLE
257 %token tNONEXTENSIBLE
258 %token tNULL
259 %token tOBJECT tODL tOLEAUTOMATION
260 %token tOPTIONAL
261 %token tOUT
262 %token tPASCAL
263 %token tPOINTERDEFAULT
264 %token tPROPERTIES
265 %token tPROPGET tPROPPUT tPROPPUTREF
266 %token tPTR
267 %token tPUBLIC
268 %token tRANGE
269 %token tREADONLY tREF
270 %token tREGISTER
271 %token tREQUESTEDIT
272 %token tRESTRICTED
273 %token tRETVAL
274 %token tSAFEARRAY
275 %token tSHORT
276 %token tSIGNED
277 %token tSINGLE
278 %token tSIZEIS tSIZEOF
279 %token tSMALL
280 %token tSOURCE
281 %token tSTATIC
282 %token tSTDCALL
283 %token tSTRICTCONTEXTHANDLE
284 %token tSTRING tSTRUCT
285 %token tSWITCH tSWITCHIS tSWITCHTYPE
286 %token tTRANSMITAS
287 %token tTRUE
288 %token tTYPEDEF
289 %token tUNION
290 %token tUNIQUE
291 %token tUNSIGNED
292 %token tUUID
293 %token tV1ENUM
294 %token tVARARG
295 %token tVERSION
296 %token tVOID
297 %token tWCHAR tWIREMARSHAL
298
299 %type <attr> attribute type_qualifier function_specifier
300 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
301 %type <str_list> str_list
302 %type <expr> m_expr expr expr_const expr_int_const array
303 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
304 %type <ifinfo> interfacehdr
305 %type <stgclass> storage_cls_spec
306 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
307 %type <type> inherit interface interfacedef interfacedec
308 %type <type> dispinterface dispinterfacehdr dispinterfacedef
309 %type <type> module modulehdr moduledef
310 %type <type> base_type int_std
311 %type <type> enumdef structdef uniondef typedecl
312 %type <type> type
313 %type <ifref> coclass_int
314 %type <ifref_list> coclass_ints
315 %type <var> arg ne_union_field union_field s_field case enum declaration
316 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
317 %type <var> m_ident ident
318 %type <declarator> declarator direct_declarator init_declarator
319 %type <declarator_list> declarator_list
320 %type <func> funcdef
321 %type <type> coclass coclasshdr coclassdef
322 %type <num> pointer_type version
323 %type <str> libraryhdr callconv cppquote importlib import t_ident
324 %type <uuid> uuid_string
325 %type <import> import_start
326 %type <typelib> library_start librarydef
327 %type <statement> statement typedef
328 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
329
330 %left ','
331 %right '?' ':'
332 %left LOGICALOR
333 %left LOGICALAND
334 %left '|'
335 %left '^'
336 %left '&'
337 %left EQUALITY INEQUALITY
338 %left '<' '>' LESSEQUAL GREATEREQUAL
339 %left SHL SHR
340 %left '-' '+'
341 %left '*' '/' '%'
342 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
343 %left '.' MEMBERPTR '[' ']'
344
345 %%
346
347 input: gbl_statements { fix_incomplete();
348 check_statements($1, FALSE);
349 check_all_user_types($1);
350 write_header($1);
351 write_id_data($1);
352 write_proxies($1);
353 write_client($1);
354 write_server($1);
355 write_dlldata($1);
356 write_local_stubs($1);
357 }
358 ;
359
360 gbl_statements: { $$ = NULL; }
361 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
362 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
363 | gbl_statements coclass ';' { $$ = $1;
364 reg_type($2, $2->name, 0);
365 }
366 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
367 reg_type($2, $2->name, 0);
368 }
369 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
370 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
371 | gbl_statements statement { $$ = append_statement($1, $2); }
372 ;
373
374 imp_statements: { $$ = NULL; }
375 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
376 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
377 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
378 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
379 reg_type($2, $2->name, 0);
380 }
381 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
382 | imp_statements statement { $$ = append_statement($1, $2); }
383 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
384 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
385 ;
386
387 int_statements: { $$ = NULL; }
388 | int_statements statement { $$ = append_statement($1, $2); }
389 ;
390
391 semicolon_opt:
392 | ';'
393 ;
394
395 statement:
396 cppquote { $$ = make_statement_cppquote($1); }
397 | typedecl ';' { $$ = make_statement_type_decl($1); }
398 | declaration ';' { $$ = make_statement_declaration($1); }
399 | import { $$ = make_statement_import($1); }
400 | typedef ';' { $$ = $1; }
401 ;
402
403 typedecl:
404 enumdef
405 | structdef
406 | uniondef
407 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
408 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
409 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
410 ;
411
412 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
413 ;
414 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
415 $$ = xmalloc(sizeof(struct _import_t));
416 $$->name = $2;
417 $$->import_performed = do_import($2);
418 if (!$$->import_performed) yychar = aEOF;
419 }
420 ;
421
422 import: import_start imp_statements aEOF { $$ = $1->name;
423 if ($1->import_performed) pop_import();
424 free($1);
425 }
426 ;
427
428 importlib: tIMPORTLIB '(' aSTRING ')'
429 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
430 ;
431
432 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
433 ;
434 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
435 if (!parse_only) start_typelib($$);
436 }
437 ;
438 librarydef: library_start imp_statements '}'
439 semicolon_opt { $$ = $1;
440 $$->stmts = $2;
441 if (!parse_only) end_typelib();
442 }
443 ;
444
445 m_args: { $$ = NULL; }
446 | args
447 ;
448
449 no_args: tVOID { $$ = NULL; }
450 ;
451
452 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
453 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
454 | no_args
455 ;
456
457 /* split into two rules to get bison to resolve a tVOID conflict */
458 arg: attributes decl_spec declarator { $$ = $3->var;
459 $$->attrs = $1;
460 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
461 error_loc("invalid storage class for function parameter\n");
462 set_type($$, $2, $3, TRUE);
463 free($3);
464 }
465 | decl_spec declarator { $$ = $2->var;
466 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
467 error_loc("invalid storage class for function parameter\n");
468 set_type($$, $1, $2, TRUE);
469 free($2);
470 }
471 ;
472
473 array: '[' m_expr ']' { $$ = $2; }
474 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
475 ;
476
477 m_attributes: { $$ = NULL; }
478 | attributes
479 ;
480
481 attributes:
482 '[' attrib_list ']' { $$ = $2; }
483 ;
484
485 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
486 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
487 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
488 ;
489
490 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
491 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
492 ;
493
494 attribute: { $$ = NULL; }
495 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
496 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
497 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
498 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
499 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
500 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
501 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
502 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
503 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
504 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
505 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
506 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
507 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
508 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
509 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
510 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
511 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
512 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
513 | tDUAL { $$ = make_attr(ATTR_DUAL); }
514 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
515 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
516 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
517 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
518 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
519 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
520 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
521 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
522 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
523 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
524 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
525 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
526 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
527 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
528 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
529 | tIN { $$ = make_attr(ATTR_IN); }
530 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
531 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
532 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
533 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
534 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
535 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
536 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
537 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
538 | tODL { $$ = make_attr(ATTR_ODL); }
539 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
540 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
541 | tOUT { $$ = make_attr(ATTR_OUT); }
542 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
543 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
544 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
545 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
546 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
547 | tRANGE '(' expr_int_const ',' expr_int_const ')'
548 { expr_list_t *list = append_expr( NULL, $3 );
549 list = append_expr( list, $5 );
550 $$ = make_attrp(ATTR_RANGE, list); }
551 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
552 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
553 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
554 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
555 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
556 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
557 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
558 | tSTRING { $$ = make_attr(ATTR_STRING); }
559 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
560 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
561 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
562 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
563 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
564 | tVARARG { $$ = make_attr(ATTR_VARARG); }
565 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
566 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
567 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
568 ;
569
570 uuid_string:
571 aUUID
572 | aSTRING { if (!is_valid_uuid($1))
573 error_loc("invalid UUID: %s\n", $1);
574 $$ = parse_uuid($1); }
575 ;
576
577 callconv: tCDECL { $$ = $<str>1; }
578 | tFASTCALL { $$ = $<str>1; }
579 | tPASCAL { $$ = $<str>1; }
580 | tSTDCALL { $$ = $<str>1; }
581 ;
582
583 cases: { $$ = NULL; }
584 | cases case { $$ = append_var( $1, $2 ); }
585 ;
586
587 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
588 $$ = $4; if (!$$) $$ = make_var(NULL);
589 $$->attrs = append_attr( $$->attrs, a );
590 }
591 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
592 $$ = $3; if (!$$) $$ = make_var(NULL);
593 $$->attrs = append_attr( $$->attrs, a );
594 }
595 ;
596
597 enums: { $$ = NULL; }
598 | enum_list ',' { $$ = $1; }
599 | enum_list
600 ;
601
602 enum_list: enum { if (!$1->eval)
603 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
604 $$ = append_var( NULL, $1 );
605 }
606 | enum_list ',' enum { if (!$3->eval)
607 {
608 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
609 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
610 }
611 $$ = append_var( $1, $3 );
612 }
613 ;
614
615 enum: ident '=' expr_int_const { $$ = reg_const($1);
616 $$->eval = $3;
617 $$->type = make_int(0);
618 }
619 | ident { $$ = reg_const($1);
620 $$->type = make_int(0);
621 }
622 ;
623
624 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, $4); }
625 ;
626
627 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
628 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
629 ;
630
631 /*
632 exprs: { $$ = make_expr(EXPR_VOID); }
633 | expr_list
634 ;
635
636 expr_list: expr
637 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
638 ;
639 */
640
641 m_expr: { $$ = make_expr(EXPR_VOID); }
642 | expr
643 ;
644
645 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
646 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
647 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
648 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
649 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
650 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
651 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
652 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
653 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
654 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
655 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
656 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
657 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
658 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
659 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
660 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
661 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
662 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
663 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
664 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
665 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
666 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
667 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
668 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
669 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
670 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
671 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
672 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
673 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
674 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
675 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
676 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
677 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
678 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
679 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
680 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
681 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
682 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
683 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
684 | '(' expr ')' { $$ = $2; }
685 ;
686
687 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
688 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
689 ;
690
691 expr_int_const: expr { $$ = $1;
692 if (!$$->is_const)
693 error_loc("expression is not an integer constant\n");
694 }
695 ;
696
697 expr_const: expr { $$ = $1;
698 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
699 error_loc("expression is not constant\n");
700 }
701 ;
702
703 fields: { $$ = NULL; }
704 | fields field { $$ = append_var_list($1, $2); }
705 ;
706
707 field: m_attributes decl_spec declarator_list ';'
708 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
709 check_field_attrs(first, $1);
710 $$ = set_var_types($1, $2, $3);
711 }
712 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
713 v->type = $2; v->attrs = $1;
714 $$ = append_var(NULL, v);
715 }
716 ;
717
718 ne_union_field:
719 s_field ';' { $$ = $1; }
720 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
721 ;
722
723 ne_union_fields: { $$ = NULL; }
724 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
725 ;
726
727 union_field:
728 s_field ';' { $$ = $1; }
729 | ';' { $$ = NULL; }
730 ;
731
732 s_field: m_attributes decl_spec declarator { $$ = $3->var;
733 $$->attrs = check_field_attrs($$->name, $1);
734 set_type($$, $2, $3, FALSE);
735 free($3);
736 }
737 ;
738
739 funcdef:
740 m_attributes decl_spec declarator { var_t *v = $3->var;
741 v->attrs = check_function_attrs(v->name, $1);
742 set_type(v, $2, $3, FALSE);
743 free($3);
744 $$ = make_func(v);
745 }
746 ;
747
748 declaration:
749 attributes decl_spec init_declarator
750 { $$ = $3->var;
751 $$->attrs = $1;
752 set_type($$, $2, $3, FALSE);
753 free($3);
754 }
755 | decl_spec init_declarator { $$ = $2->var;
756 set_type($$, $1, $2, FALSE);
757 free($2);
758 }
759 ;
760
761 m_ident: { $$ = NULL; }
762 | ident
763 ;
764
765 t_ident: { $$ = NULL; }
766 | aIDENTIFIER { $$ = $1; }
767 | aKNOWNTYPE { $$ = $1; }
768 ;
769
770 ident: aIDENTIFIER { $$ = make_var($1); }
771 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
772 | aKNOWNTYPE { $$ = make_var($<str>1); }
773 ;
774
775 base_type: tBYTE { $$ = make_builtin($<str>1); }
776 | tWCHAR { $$ = make_builtin($<str>1); }
777 | int_std
778 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
779 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
780 switch ($$->type) {
781 case RPC_FC_CHAR: break;
782 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
783 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
784 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
785 case RPC_FC_HYPER:
786 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
787 {
788 $$ = type_new_alias($$, "MIDL_uhyper");
789 $$->sign = 0;
790 }
791 break;
792 default: break;
793 }
794 }
795 | tUNSIGNED { $$ = make_int(-1); }
796 | tFLOAT { $$ = make_builtin($<str>1); }
797 | tSINGLE { $$ = find_type("float", 0); }
798 | tDOUBLE { $$ = make_builtin($<str>1); }
799 | tBOOLEAN { $$ = make_builtin($<str>1); }
800 | tERRORSTATUST { $$ = make_builtin($<str>1); }
801 | tHANDLET { $$ = make_builtin($<str>1); }
802 ;
803
804 m_int:
805 | tINT
806 ;
807
808 int_std: tINT { $$ = make_builtin($<str>1); }
809 | tSHORT m_int { $$ = make_builtin($<str>1); }
810 | tSMALL { $$ = make_builtin($<str>1); }
811 | tLONG m_int { $$ = make_builtin($<str>1); }
812 | tHYPER m_int { $$ = make_builtin($<str>1); }
813 | tINT64 { $$ = make_builtin($<str>1); }
814 | tCHAR { $$ = make_builtin($<str>1); }
815 ;
816
817 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
818 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
819 if ($$->type != RPC_FC_COCLASS)
820 error_loc("%s was not declared a coclass at %s:%d\n",
821 $2, $$->loc_info.input_name,
822 $$->loc_info.line_number);
823 }
824 ;
825
826 coclasshdr: attributes coclass { $$ = $2;
827 check_def($$);
828 $$->attrs = check_coclass_attrs($2->name, $1);
829 }
830 ;
831
832 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
833 { $$ = type_coclass_define($1, $3); }
834 ;
835
836 coclass_ints: { $$ = NULL; }
837 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
838 ;
839
840 coclass_int:
841 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
842 ;
843
844 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
845 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
846 ;
847
848 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
849 is_object_interface = TRUE;
850 $$ = $2;
851 check_def($$);
852 attrs = make_attr(ATTR_DISPINTERFACE);
853 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
854 $$->defined = TRUE;
855 }
856 ;
857
858 dispint_props: tPROPERTIES ':' { $$ = NULL; }
859 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
860 ;
861
862 dispint_meths: tMETHODS ':' { $$ = NULL; }
863 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
864 ;
865
866 dispinterfacedef: dispinterfacehdr '{'
867 dispint_props
868 dispint_meths
869 '}' { $$ = $1;
870 type_dispinterface_define($$, $3, $4);
871 }
872 | dispinterfacehdr
873 '{' interface ';' '}' { $$ = $1;
874 type_dispinterface_define_from_iface($$, $3);
875 }
876 ;
877
878 inherit: { $$ = NULL; }
879 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
880 ;
881
882 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
883 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
884 ;
885
886 interfacehdr: attributes interface { $$.interface = $2;
887 $$.old_pointer_default = pointer_default;
888 if (is_attr($1, ATTR_POINTERDEFAULT))
889 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
890 is_object_interface = is_object($1);
891 check_def($2);
892 $2->attrs = check_iface_attrs($2->name, $1);
893 $2->defined = TRUE;
894 }
895 ;
896
897 interfacedef: interfacehdr inherit
898 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
899 type_interface_define($$, $2, $4);
900 pointer_default = $1.old_pointer_default;
901 }
902 /* MIDL is able to import the definition of a base class from inside the
903 * definition of a derived class, I'll try to support it with this rule */
904 | interfacehdr ':' aIDENTIFIER
905 '{' import int_statements '}'
906 semicolon_opt { $$ = $1.interface;
907 type_interface_define($$, find_type_or_error2($3, 0), $6);
908 pointer_default = $1.old_pointer_default;
909 }
910 | dispinterfacedef semicolon_opt { $$ = $1; }
911 ;
912
913 interfacedec:
914 interface ';' { $$ = $1; }
915 | dispinterface ';' { $$ = $1; }
916 ;
917
918 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
919 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
920 ;
921
922 modulehdr: attributes module { $$ = $2;
923 $$->attrs = check_module_attrs($2->name, $1);
924 }
925 ;
926
927 moduledef: modulehdr '{' int_statements '}'
928 semicolon_opt { $$ = $1;
929 type_module_define($$, $3);
930 }
931 ;
932
933 storage_cls_spec:
934 tEXTERN { $$ = STG_EXTERN; }
935 | tSTATIC { $$ = STG_STATIC; }
936 | tREGISTER { $$ = STG_REGISTER; }
937 ;
938
939 function_specifier:
940 tINLINE { $$ = make_attr(ATTR_INLINE); }
941 ;
942
943 type_qualifier:
944 tCONST { $$ = make_attr(ATTR_CONST); }
945 ;
946
947 m_type_qual_list: { $$ = NULL; }
948 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
949 ;
950
951 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
952 | decl_spec_no_type type m_decl_spec_no_type
953 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
954 ;
955
956 m_decl_spec_no_type: { $$ = NULL; }
957 | decl_spec_no_type
958 ;
959
960 decl_spec_no_type:
961 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
962 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
963 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
964 ;
965
966 declarator:
967 '*' m_type_qual_list declarator %prec PPTR
968 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(NULL, $2)); }
969 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
970 | direct_declarator
971 ;
972
973 direct_declarator:
974 ident { $$ = make_declarator($1); }
975 | '(' declarator ')' { $$ = $2; }
976 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
977 | direct_declarator '(' m_args ')' { $$ = $1;
978 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
979 $$->type = NULL;
980 }
981 ;
982
983 declarator_list:
984 declarator { $$ = append_declarator( NULL, $1 ); }
985 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
986 ;
987
988 init_declarator:
989 declarator { $$ = $1; }
990 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
991 ;
992
993 pointer_type:
994 tREF { $$ = RPC_FC_RP; }
995 | tUNIQUE { $$ = RPC_FC_UP; }
996 | tPTR { $$ = RPC_FC_FP; }
997 ;
998
999 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1000 ;
1001
1002 type: tVOID { $$ = find_type_or_error("void", 0); }
1003 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1004 | base_type { $$ = $1; }
1005 | enumdef { $$ = $1; }
1006 | tENUM aIDENTIFIER { $$ = find_type_or_error2($2, tsENUM); }
1007 | structdef { $$ = $1; }
1008 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1009 | uniondef { $$ = $1; }
1010 | tUNION aIDENTIFIER { $$ = find_type_or_error2($2, tsUNION); }
1011 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1012 ;
1013
1014 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1015 { reg_typedefs($3, $4, check_typedef_attrs($2));
1016 $$ = make_statement_typedef($4);
1017 }
1018 ;
1019
1020 uniondef: tUNION t_ident '{' ne_union_fields '}'
1021 { $$ = type_new_nonencapsulated_union($2, $4); }
1022 | tUNION t_ident
1023 tSWITCH '(' s_field ')'
1024 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1025 ;
1026
1027 version:
1028 aNUM { $$ = MAKEVERSION($1, 0); }
1029 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1030 ;
1031
1032 %%
1033
1034 static void decl_builtin(const char *name, unsigned char type)
1035 {
1036 type_t *t = make_type(type, NULL);
1037 t->name = xstrdup(name);
1038 reg_type(t, name, 0);
1039 }
1040
1041 static type_t *make_builtin(char *name)
1042 {
1043 /* NAME is strdup'd in the lexer */
1044 type_t *t = duptype(find_type_or_error(name, 0), 0);
1045 t->name = name;
1046 return t;
1047 }
1048
1049 static type_t *make_int(int sign)
1050 {
1051 type_t *t = duptype(find_type_or_error("int", 0), 1);
1052
1053 t->sign = sign;
1054 if (sign < 0)
1055 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1056
1057 return t;
1058 }
1059
1060 void init_types(void)
1061 {
1062 decl_builtin("void", 0);
1063 decl_builtin("byte", RPC_FC_BYTE);
1064 decl_builtin("wchar_t", RPC_FC_WCHAR);
1065 decl_builtin("int", RPC_FC_LONG); /* win32 */
1066 decl_builtin("short", RPC_FC_SHORT);
1067 decl_builtin("small", RPC_FC_SMALL);
1068 decl_builtin("long", RPC_FC_LONG);
1069 decl_builtin("hyper", RPC_FC_HYPER);
1070 decl_builtin("__int64", RPC_FC_HYPER);
1071 decl_builtin("char", RPC_FC_CHAR);
1072 decl_builtin("float", RPC_FC_FLOAT);
1073 decl_builtin("double", RPC_FC_DOUBLE);
1074 decl_builtin("boolean", RPC_FC_BYTE);
1075 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1076 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1077 }
1078
1079 static str_list_t *append_str(str_list_t *list, char *str)
1080 {
1081 struct str_list_entry_t *entry;
1082
1083 if (!str) return list;
1084 if (!list)
1085 {
1086 list = xmalloc( sizeof(*list) );
1087 list_init( list );
1088 }
1089 entry = xmalloc( sizeof(*entry) );
1090 entry->str = str;
1091 list_add_tail( list, &entry->entry );
1092 return list;
1093 }
1094
1095 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1096 {
1097 attr_t *attr_existing;
1098 if (!attr) return list;
1099 if (!list)
1100 {
1101 list = xmalloc( sizeof(*list) );
1102 list_init( list );
1103 }
1104 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1105 if (attr_existing->type == attr->type)
1106 {
1107 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1108 /* use the last attribute, like MIDL does */
1109 list_remove(&attr_existing->entry);
1110 break;
1111 }
1112 list_add_tail( list, &attr->entry );
1113 return list;
1114 }
1115
1116 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1117 {
1118 attr_t *attr;
1119 if (!src) return dst;
1120 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1121 if (attr->type == type)
1122 {
1123 list_remove(&attr->entry);
1124 return append_attr(dst, attr);
1125 }
1126 return dst;
1127 }
1128
1129 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1130 {
1131 struct list *entry;
1132
1133 if (!old_list) return new_list;
1134
1135 while ((entry = list_head(old_list)))
1136 {
1137 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1138 list_remove(entry);
1139 new_list = append_attr(new_list, attr);
1140 }
1141 return new_list;
1142 }
1143
1144 static attr_list_t *dupattrs(const attr_list_t *list)
1145 {
1146 attr_list_t *new_list;
1147 const attr_t *attr;
1148
1149 if (!list) return NULL;
1150
1151 new_list = xmalloc( sizeof(*list) );
1152 list_init( new_list );
1153 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1154 {
1155 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1156 *new_attr = *attr;
1157 list_add_tail(new_list, &new_attr->entry);
1158 }
1159 return new_list;
1160 }
1161
1162 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)
1163 {
1164 decl_spec_t *declspec = left ? left : right;
1165 if (!declspec)
1166 {
1167 declspec = xmalloc(sizeof(*declspec));
1168 declspec->type = NULL;
1169 declspec->attrs = NULL;
1170 declspec->stgclass = STG_NONE;
1171 }
1172 declspec->type = type;
1173 if (left && declspec != left)
1174 {
1175 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1176 if (declspec->stgclass == STG_NONE)
1177 declspec->stgclass = left->stgclass;
1178 else if (left->stgclass != STG_NONE)
1179 error_loc("only one storage class can be specified\n");
1180 assert(!left->type);
1181 free(left);
1182 }
1183 if (right && declspec != right)
1184 {
1185 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1186 if (declspec->stgclass == STG_NONE)
1187 declspec->stgclass = right->stgclass;
1188 else if (right->stgclass != STG_NONE)
1189 error_loc("only one storage class can be specified\n");
1190 assert(!right->type);
1191 free(right);
1192 }
1193
1194 declspec->attrs = append_attr(declspec->attrs, attr);
1195 if (declspec->stgclass == STG_NONE)
1196 declspec->stgclass = stgclass;
1197 else if (stgclass != STG_NONE)
1198 error_loc("only one storage class can be specified\n");
1199
1200 /* apply attributes to type */
1201 if (type && declspec->attrs)
1202 {
1203 attr_list_t *attrs;
1204 declspec->type = duptype(type, 1);
1205 attrs = dupattrs(type->attrs);
1206 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1207 declspec->attrs = NULL;
1208 }
1209
1210 return declspec;
1211 }
1212
1213 static attr_t *make_attr(enum attr_type type)
1214 {
1215 attr_t *a = xmalloc(sizeof(attr_t));
1216 a->type = type;
1217 a->u.ival = 0;
1218 return a;
1219 }
1220
1221 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1222 {
1223 attr_t *a = xmalloc(sizeof(attr_t));
1224 a->type = type;
1225 a->u.ival = val;
1226 return a;
1227 }
1228
1229 static attr_t *make_attrp(enum attr_type type, void *val)
1230 {
1231 attr_t *a = xmalloc(sizeof(attr_t));
1232 a->type = type;
1233 a->u.pval = val;
1234 return a;
1235 }
1236
1237 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1238 {
1239 if (!expr) return list;
1240 if (!list)
1241 {
1242 list = xmalloc( sizeof(*list) );
1243 list_init( list );
1244 }
1245 list_add_tail( list, &expr->entry );
1246 return list;
1247 }
1248
1249 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1250 {
1251 if (!expr) return list;
1252 if (!list)
1253 {
1254 list = xmalloc( sizeof(*list) );
1255 list_init( list );
1256 }
1257 list_add_tail( list, &expr->entry );
1258 return list;
1259 }
1260
1261 static struct list type_pool = LIST_INIT(type_pool);
1262 typedef struct
1263 {
1264 type_t data;
1265 struct list link;
1266 } type_pool_node_t;
1267
1268 type_t *alloc_type(void)
1269 {
1270 type_pool_node_t *node = xmalloc(sizeof *node);
1271 list_add_tail(&type_pool, &node->link);
1272 return &node->data;
1273 }
1274
1275 void set_all_tfswrite(int val)
1276 {
1277 type_pool_node_t *node;
1278 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1279 node->data.tfswrite = val;
1280 }
1281
1282 void clear_all_offsets(void)
1283 {
1284 type_pool_node_t *node;
1285 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1286 node->data.typestring_offset = node->data.ptrdesc = 0;
1287 }
1288
1289 type_t *make_type(unsigned char type, type_t *ref)
1290 {
1291 type_t *t = alloc_type();
1292 t->name = NULL;
1293 t->type = type;
1294 t->ref = ref;
1295 t->attrs = NULL;
1296 t->orig = NULL;
1297 memset(&t->details, 0, sizeof(t->details));
1298 t->typestring_offset = 0;
1299 t->ptrdesc = 0;
1300 t->declarray = FALSE;
1301 t->ignore = (parse_only != 0);
1302 t->sign = 0;
1303 t->defined = FALSE;
1304 t->written = FALSE;
1305 t->user_types_registered = FALSE;
1306 t->tfswrite = FALSE;
1307 t->checked = FALSE;
1308 t->is_alias = FALSE;
1309 t->typelib_idx = -1;
1310 init_loc_info(&t->loc_info);
1311 return t;
1312 }
1313
1314 static type_t *type_new_enum(char *name, var_list_t *enums)
1315 {
1316 type_t *t = get_type(RPC_FC_ENUM16, name, tsENUM);
1317 if (enums)
1318 {
1319 t->details.enumeration = xmalloc(sizeof(*t->details.enumeration));
1320 t->details.enumeration->enums = enums;
1321 }
1322 else
1323 t->details.enumeration = NULL;
1324 t->defined = TRUE;
1325 return t;
1326 }
1327
1328 static type_t *type_new_struct(char *name, int defined, var_list_t *fields)
1329 {
1330 type_t *tag_type = name ? find_type(name, tsSTRUCT) : NULL;
1331 type_t *t = make_type(RPC_FC_STRUCT, NULL);
1332 t->name = name;
1333 if (defined || (tag_type && tag_type->details.structure))
1334 {
1335 if (tag_type && tag_type->details.structure)
1336 {
1337 t->details.structure = tag_type->details.structure;
1338 t->type = tag_type->type;
1339 }
1340 else if (defined)
1341 {
1342 t->details.structure = xmalloc(sizeof(*t->details.structure));
1343 t->details.structure->fields = fields;
1344 t->defined = TRUE;
1345 }
1346 }
1347 if (name)
1348 {
1349 if (fields)
1350 reg_type(t, name, tsSTRUCT);
1351 else
1352 add_incomplete(t);
1353 }
1354 return t;
1355 }
1356
1357 static type_t *type_new_nonencapsulated_union(char *name, var_list_t *fields)
1358 {
1359 type_t *t = get_type(RPC_FC_NON_ENCAPSULATED_UNION, name, tsUNION);
1360 t->details.structure = xmalloc(sizeof(*t->details.structure));
1361 t->details.structure->fields = fields;
1362 t->defined = TRUE;
1363 return t;
1364 }
1365
1366 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases)
1367 {
1368 type_t *t = get_type(RPC_FC_ENCAPSULATED_UNION, name, tsUNION);
1369 if (!union_field) union_field = make_var( xstrdup("tagged_union") );
1370 union_field->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1371 union_field->type->details.structure = xmalloc(sizeof(*union_field->type->details.structure));
1372 union_field->type->details.structure->fields = cases;
1373 union_field->type->defined = TRUE;
1374 t->details.structure = xmalloc(sizeof(*t->details.structure));
1375 t->details.structure->fields = append_var( NULL, switch_field );
1376 t->details.structure->fields = append_var( t->details.structure->fields, union_field );
1377 t->defined = TRUE;
1378 return t;
1379 }
1380
1381 static void type_function_add_head_arg(type_t *type, var_t *arg)
1382 {
1383 if (!type->details.function->args)
1384 {
1385 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1386 list_init( type->details.function->args );
1387 }
1388 list_add_head( type->details.function->args, &arg->entry );
1389 }
1390
1391 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1392 {
1393 type_t *ptrchain_type;
1394 if (!ptrchain)
1395 return type;
1396 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1397 ;
1398 ptrchain_type->ref = type;
1399 return ptrchain;
1400 }
1401
1402 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1403 int top)
1404 {
1405 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1406 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1407 int sizeless;
1408 expr_t *dim;
1409 type_t **ptype;
1410 array_dims_t *arr = decl ? decl->array : NULL;
1411 type_t *func_type = decl ? decl->func_type : NULL;
1412 type_t *type = decl_spec->type;
1413
1414 if (is_attr(type->attrs, ATTR_INLINE))
1415 {
1416 if (!func_type)
1417 error_loc("inline attribute applied to non-function type\n");
1418 else
1419 {
1420 type_t *t;
1421 /* move inline attribute from return type node to function node */
1422 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1423 ;
1424 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1425 }
1426 }
1427
1428 /* add type onto the end of the pointers in pident->type */
1429 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1430 v->stgclass = decl_spec->stgclass;
1431
1432 /* the highest level of pointer specified should default to the var's ptr attr
1433 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1434 * pointer_default so we need to fix that up here */
1435 if (!arr)
1436 {
1437 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1438 const type_t *ptr = NULL;
1439 /* pointer attributes on the left side of the type belong to the function
1440 * pointer, if one is being declared */
1441 type_t **pt = func_type ? &func_type : &v->type;
1442 for (ptr = *pt; ptr && !ptr_attr; )
1443 {
1444 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1445 if (!ptr_attr && type_is_alias(ptr))
1446 ptr = ptr->orig;
1447 else
1448 break;
1449 }
1450 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1451 {
1452 /* duplicate type to avoid changing original type */
1453 *pt = duptype(*pt, 1);
1454 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1455 }
1456 else if (ptr_attr)
1457 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1458 }
1459
1460 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1461 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1462 v->name);
1463
1464 if (is_attr(v->attrs, ATTR_V1ENUM))
1465 {
1466 if (v->type->type == RPC_FC_ENUM16)
1467 v->type->type = RPC_FC_ENUM32;
1468 else
1469 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1470 }
1471
1472 ptype = &v->type;
1473 sizeless = FALSE;
1474 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1475 {
1476 if (sizeless)
1477 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1478
1479 if (dim->is_const)
1480 {
1481 if (dim->cval <= 0)
1482 error_loc("%s: array dimension must be positive\n", v->name);
1483
1484 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1485 if (0)
1486 {
1487 unsigned int align = 0;
1488 size_t size = type_memsize(v->type, &align);
1489
1490 if (0xffffffffuL / size < (unsigned long) dim->cval)
1491 error_loc("%s: total array size is too large\n", v->name);
1492 }
1493 }
1494 else
1495 sizeless = TRUE;
1496
1497 *ptype = type_new_array(NULL, *ptype, TRUE,
1498 dim->is_const ? dim->cval : 0,
1499 dim->is_const ? NULL : dim, NULL);
1500 }
1501
1502 ptype = &v->type;
1503 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1504 {
1505 if (dim->type != EXPR_VOID)
1506 {
1507 if (is_array(*ptype))
1508 {
1509 if (type_array_get_conformance(*ptype)->is_const)
1510 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1511 else
1512 *ptype = type_new_array((*ptype)->name,
1513 type_array_get_element(*ptype), TRUE,
1514 0, dim, NULL);
1515 }
1516 else if (is_ptr(*ptype))
1517 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), FALSE,
1518 0, dim, NULL);
1519 else
1520 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1521 }
1522
1523 ptype = &(*ptype)->ref;
1524 if (*ptype == NULL)
1525 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1526 }
1527
1528 ptype = &v->type;
1529 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1530 {
1531 if (dim->type != EXPR_VOID)
1532 {
1533 if (is_array(*ptype))
1534 {
1535 *ptype = type_new_array((*ptype)->name,
1536 type_array_get_element(*ptype),
1537 (*ptype)->declarray,
1538 type_array_get_dim(*ptype),
1539 type_array_get_conformance(*ptype),
1540 dim);
1541 }
1542 else
1543 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1544 }
1545
1546 ptype = &(*ptype)->ref;
1547 if (*ptype == NULL)
1548 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1549 }
1550
1551 /* v->type is currently pointing to the type on the left-side of the
1552 * declaration, so we need to fix this up so that it is the return type of the
1553 * function and make v->type point to the function side of the declaration */
1554 if (func_type)
1555 {
1556 type_t *ft, *t;
1557 type_t *return_type = v->type;
1558 v->type = func_type;
1559 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1560 ;
1561 assert(ft->type == RPC_FC_FUNCTION);
1562 ft->ref = return_type;
1563 /* move calling convention attribute, if present, from pointer nodes to
1564 * function node */
1565 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1566 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1567 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1568 {
1569 static char *stdmethodcalltype;
1570 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1571 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1572 }
1573 }
1574 else
1575 {
1576 type_t *t;
1577 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1578 if (is_attr(t->attrs, ATTR_CALLCONV))
1579 error_loc("calling convention applied to non-function-pointer type\n");
1580 }
1581 }
1582
1583 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1584 {
1585 declarator_t *decl, *next;
1586 var_list_t *var_list = NULL;
1587
1588 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1589 {
1590 var_t *var = decl->var;
1591
1592 var->attrs = attrs;
1593 set_type(var, decl_spec, decl, 0);
1594 var_list = append_var(var_list, var);
1595 free(decl);
1596 }
1597 return var_list;
1598 }
1599
1600 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1601 {
1602 if (!iface) return list;
1603 if (!list)
1604 {
1605 list = xmalloc( sizeof(*list) );
1606 list_init( list );
1607 }
1608 list_add_tail( list, &iface->entry );
1609 return list;
1610 }
1611
1612 static ifref_t *make_ifref(type_t *iface)
1613 {
1614 ifref_t *l = xmalloc(sizeof(ifref_t));
1615 l->iface = iface;
1616 l->attrs = NULL;
1617 return l;
1618 }
1619
1620 static var_list_t *append_var(var_list_t *list, var_t *var)
1621 {
1622 if (!var) return list;
1623 if (!list)
1624 {
1625 list = xmalloc( sizeof(*list) );
1626 list_init( list );
1627 }
1628 list_add_tail( list, &var->entry );
1629 return list;
1630 }
1631
1632 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1633 {
1634 if (!vars) return list;
1635 if (!list)
1636 {
1637 list = xmalloc( sizeof(*list) );
1638 list_init( list );
1639 }
1640 list_move_tail( list, vars );
1641 return list;
1642 }
1643
1644 static var_t *make_var(char *name)
1645 {
1646 var_t *v = xmalloc(sizeof(var_t));
1647 v->name = name;
1648 v->type = NULL;
1649 v->attrs = NULL;
1650 v->eval = NULL;
1651 v->stgclass = STG_NONE;
1652 init_loc_info(&v->loc_info);
1653 return v;
1654 }
1655
1656 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1657 {
1658 if (!d) return list;
1659 if (!list) {
1660 list = xmalloc(sizeof(*list));
1661 list_init(list);
1662 }
1663 list_add_tail(list, &d->entry);
1664 return list;
1665 }
1666
1667 static declarator_t *make_declarator(var_t *var)
1668 {
1669 declarator_t *d = xmalloc(sizeof(*d));
1670 d->var = var;
1671 d->type = NULL;
1672 d->func_type = NULL;
1673 d->array = NULL;
1674 return d;
1675 }
1676
1677 static func_list_t *append_func(func_list_t *list, func_t *func)
1678 {
1679 if (!func) return list;
1680 if (!list)
1681 {
1682 list = xmalloc( sizeof(*list) );
1683 list_init( list );
1684 }
1685 list_add_tail( list, &func->entry );
1686 return list;
1687 }
1688
1689 static func_t *make_func(var_t *def)
1690 {
1691 func_t *f = xmalloc(sizeof(func_t));
1692 f->def = def;
1693 return f;
1694 }
1695
1696 static type_t *make_class(char *name)
1697 {
1698 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1699 c->name = name;
1700 return c;
1701 }
1702
1703 static type_t *make_safearray(type_t *type)
1704 {
1705 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1706 sa->ref = type;
1707 return make_type(pointer_default, sa);
1708 }
1709
1710 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1711 {
1712 typelib_t *typelib = xmalloc(sizeof(*typelib));
1713 typelib->name = xstrdup(name);
1714 typelib->filename = NULL;
1715 typelib->attrs = attrs;
1716 list_init( &typelib->importlibs );
1717 return typelib;
1718 }
1719
1720 #define HASHMAX 64
1721
1722 static int hash_ident(const char *name)
1723 {
1724 const char *p = name;
1725 int sum = 0;
1726 /* a simple sum hash is probably good enough */
1727 while (*p) {
1728 sum += *p;
1729 p++;
1730 }
1731 return sum & (HASHMAX-1);
1732 }
1733
1734 /***** type repository *****/
1735
1736 struct rtype {
1737 const char *name;
1738 type_t *type;
1739 int t;
1740 struct rtype *next;
1741 };
1742
1743 struct rtype *type_hash[HASHMAX];
1744
1745 static type_t *reg_type(type_t *type, const char *name, int t)
1746 {
1747 struct rtype *nt;
1748 int hash;
1749 if (!name) {
1750 error_loc("registering named type without name\n");
1751 return type;
1752 }
1753 hash = hash_ident(name);
1754 nt = xmalloc(sizeof(struct rtype));
1755 nt->name = name;
1756 nt->type = type;
1757 nt->t = t;
1758 nt->next = type_hash[hash];
1759 type_hash[hash] = nt;
1760 if ((t == tsSTRUCT || t == tsUNION))
1761 fix_incomplete_types(type);
1762 return type;
1763 }
1764
1765 static int is_incomplete(const type_t *t)
1766 {
1767 return !t->defined && (is_struct(t->type) || is_union(t->type));
1768 }
1769
1770 static void add_incomplete(type_t *t)
1771 {
1772 struct typenode *tn = xmalloc(sizeof *tn);
1773 tn->type = t;
1774 list_add_tail(&incomplete_types, &tn->entry);
1775 }
1776
1777 static void fix_type(type_t *t)
1778 {
1779 if (type_is_alias(t) && is_incomplete(t)) {
1780 type_t *ot = t->orig;
1781 fix_type(ot);
1782 if (is_struct(ot->type) || is_union(ot->type))
1783 t->details.structure = ot->details.structure;
1784 t->defined = ot->defined;
1785 }
1786 }
1787
1788 static void fix_incomplete(void)
1789 {
1790 struct typenode *tn, *next;
1791
1792 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1793 fix_type(tn->type);
1794 list_remove(&tn->entry);
1795 free(tn);
1796 }
1797 }
1798
1799 static void fix_incomplete_types(type_t *complete_type)
1800 {
1801 struct typenode *tn, *next;
1802
1803 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1804 {
1805 if (((is_struct(complete_type->type) && is_struct(tn->type->type)) ||
1806 (is_union(complete_type->type) && is_union(tn->type->type))) &&
1807 !strcmp(complete_type->name, tn->type->name))
1808 {
1809 tn->type->details.structure = complete_type->details.structure;
1810 tn->type->type = complete_type->type;
1811 list_remove(&tn->entry);
1812 free(tn);
1813 }
1814 }
1815 }
1816
1817 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1818 {
1819 const declarator_t *decl;
1820 int is_str = is_attr(attrs, ATTR_STRING);
1821 type_t *type = decl_spec->type;
1822
1823 if (is_str)
1824 {
1825 type_t *t = decl_spec->type;
1826 unsigned char c;
1827
1828 while (is_ptr(t))
1829 t = type_pointer_get_ref(t);
1830
1831 c = t->type;
1832 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1833 {
1834 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1835 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1836 decl->var->name);
1837 }
1838 }
1839
1840 /* We must generate names for tagless enum, struct or union.
1841 Typedef-ing a tagless enum, struct or union means we want the typedef
1842 to be included in a library hence the public attribute. */
1843 if ((type->type == RPC_FC_ENUM16 || type->type == RPC_FC_ENUM32 ||
1844 is_struct(type->type) || is_union(type->type)) &&
1845 !type->name && !parse_only)
1846 {
1847 if (! is_attr(attrs, ATTR_PUBLIC))
1848 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1849 type->name = gen_name();
1850 }
1851 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1852 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1853
1854 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1855 {
1856 var_t *name = decl->var;
1857
1858 if (name->name) {
1859 type_t *cur;
1860
1861 cur = find_type(name->name, 0);
1862 if (cur)
1863 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1864 cur->name, cur->loc_info.input_name,
1865 cur->loc_info.line_number);
1866
1867 /* set the attributes to allow set_type to do some checks on them */
1868 name->attrs = attrs;
1869 set_type(name, decl_spec, decl, 0);
1870 cur = type_new_alias(name->type, name->name);
1871 cur->attrs = attrs;
1872
1873 if (is_incomplete(cur))
1874 add_incomplete(cur);
1875 reg_type(cur, cur->name, 0);
1876 }
1877 }
1878 return type;
1879 }
1880
1881 type_t *find_type(const char *name, int t)
1882 {
1883 struct rtype *cur = type_hash[hash_ident(name)];
1884 while (cur && (cur->t != t || strcmp(cur->name, name)))
1885 cur = cur->next;
1886 return cur ? cur->type : NULL;
1887 }
1888
1889 static type_t *find_type_or_error(const char *name, int t)
1890 {
1891 type_t *type = find_type(name, t);
1892 if (!type) {
1893 error_loc("type '%s' not found\n", name);
1894 return NULL;
1895 }
1896 return type;
1897 }
1898
1899 static type_t *find_type_or_error2(char *name, int t)
1900 {
1901 type_t *tp = find_type_or_error(name, t);
1902 free(name);
1903 return tp;
1904 }
1905
1906 int is_type(const char *name)
1907 {
1908 return find_type(name, 0) != NULL;
1909 }
1910
1911 static type_t *get_type(unsigned char type, char *name, int t)
1912 {
1913 type_t *tp;
1914 if (name) {
1915 tp = find_type(name, t);
1916 if (tp) {
1917 free(name);
1918 return tp;
1919 }
1920 }
1921 tp = make_type(type, NULL);
1922 tp->name = name;
1923 if (!name) return tp;
1924 return reg_type(tp, name, t);
1925 }
1926
1927 /***** constant repository *****/
1928
1929 struct rconst {
1930 char *name;
1931 var_t *var;
1932 struct rconst *next;
1933 };
1934
1935 struct rconst *const_hash[HASHMAX];
1936
1937 static var_t *reg_const(var_t *var)
1938 {
1939 struct rconst *nc;
1940 int hash;
1941 if (!var->name) {
1942 error_loc("registering constant without name\n");
1943 return var;
1944 }
1945 hash = hash_ident(var->name);
1946 nc = xmalloc(sizeof(struct rconst));
1947 nc->name = var->name;
1948 nc->var = var;
1949 nc->next = const_hash[hash];
1950 const_hash[hash] = nc;
1951 return var;
1952 }
1953
1954 var_t *find_const(const char *name, int f)
1955 {
1956 struct rconst *cur = const_hash[hash_ident(name)];
1957 while (cur && strcmp(cur->name, name))
1958 cur = cur->next;
1959 if (!cur) {
1960 if (f) error_loc("constant '%s' not found\n", name);
1961 return NULL;
1962 }
1963 return cur->var;
1964 }
1965
1966 static char *gen_name(void)
1967 {
1968 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1969 static unsigned long n = 0;
1970 static const char *file_id;
1971 static size_t size;
1972 char *name;
1973
1974 if (! file_id)
1975 {
1976 char *dst = dup_basename(input_name, ".idl");
1977 file_id = dst;
1978
1979 for (; *dst; ++dst)
1980 if (! isalnum((unsigned char) *dst))
1981 *dst = '_';
1982
1983 size = sizeof format - 7 + strlen(file_id) + 8;
1984 }
1985
1986 name = xmalloc(size);
1987 sprintf(name, format, file_id, n++);
1988 return name;
1989 }
1990
1991 struct allowed_attr
1992 {
1993 unsigned int dce_compatible : 1;
1994 unsigned int acf : 1;
1995 unsigned int on_interface : 1;
1996 unsigned int on_function : 1;
1997 unsigned int on_arg : 1;
1998 unsigned int on_type : 1;
1999 unsigned int on_enum : 1;
2000 unsigned int on_struct : 1;
2001 unsigned int on_union : 1;
2002 unsigned int on_field : 1;
2003 unsigned int on_library : 1;
2004 unsigned int on_dispinterface : 1;
2005 unsigned int on_module : 1;
2006 unsigned int on_coclass : 1;
2007 const char *display_name;
2008 };
2009
2010 struct allowed_attr allowed_attr[] =
2011 {
2012 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2013 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2014 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2015 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2016 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2017 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2018 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2019 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2020 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2021 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2022 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2023 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2024 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2025 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2026 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2027 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2028 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2029 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2030 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2031 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2032 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2033 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2034 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2035 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2036 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2037 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2038 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2039 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2040 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2041 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2042 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2043 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2044 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2045 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2046 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2047 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2048 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2049 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2050 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2051 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2052 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2053 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2054 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2055 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2056 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2057 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2058 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2059 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2060 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2061 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2062 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2063 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2064 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2065 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2066 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2067 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2068 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2069 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2070 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2071 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2072 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2073 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2074 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2075 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2076 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2077 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2078 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2079 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2080 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2081 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2082 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2083 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2084 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2085 };
2086
2087 const char *get_attr_display_name(enum attr_type type)
2088 {
2089 return allowed_attr[type].display_name;
2090 }
2091
2092 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2093 {
2094 const attr_t *attr;
2095 if (!attrs) return attrs;
2096 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2097 {
2098 if (!allowed_attr[attr->type].on_interface)
2099 error_loc("inapplicable attribute %s for interface %s\n",
2100 allowed_attr[attr->type].display_name, name);
2101 }
2102 return attrs;
2103 }
2104
2105 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2106 {
2107 const attr_t *attr;
2108 if (!attrs) return attrs;
2109 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2110 {
2111 if (!allowed_attr[attr->type].on_function)
2112 error_loc("inapplicable attribute %s for function %s\n",
2113 allowed_attr[attr->type].display_name, name);
2114 }
2115 return attrs;
2116 }
2117
2118 static void check_arg(var_t *arg)
2119 {
2120 const type_t *t = arg->type;
2121 const attr_t *attr;
2122
2123 if (t->type == 0 && ! is_var_ptr(arg))
2124 error_loc("argument '%s' has void type\n", arg->name);
2125
2126 if (arg->attrs)
2127 {
2128 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2129 {
2130 if (!allowed_attr[attr->type].on_arg)
2131 error_loc("inapplicable attribute %s for argument %s\n",
2132 allowed_attr[attr->type].display_name, arg->name);
2133 }
2134 }
2135 }
2136
2137 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2138 {
2139 const attr_t *attr;
2140 if (!attrs) return attrs;
2141 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2142 {
2143 if (!allowed_attr[attr->type].on_type)
2144 error_loc("inapplicable attribute %s for typedef\n",
2145 allowed_attr[attr->type].display_name);
2146 }
2147 return attrs;
2148 }
2149
2150 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2151 {
2152 const attr_t *attr;
2153 if (!attrs) return attrs;
2154 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2155 {
2156 if (!allowed_attr[attr->type].on_enum)
2157 error_loc("inapplicable attribute %s for enum\n",
2158 allowed_attr[attr->type].display_name);
2159 }
2160 return attrs;
2161 }
2162
2163 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2164 {
2165 const attr_t *attr;
2166 if (!attrs) return attrs;
2167 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2168 {
2169 if (!allowed_attr[attr->type].on_struct)
2170 error_loc("inapplicable attribute %s for struct\n",
2171 allowed_attr[attr->type].display_name);
2172 }
2173 return attrs;
2174 }
2175
2176 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2177 {
2178 const attr_t *attr;
2179 if (!attrs) return attrs;
2180 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2181 {
2182 if (!allowed_attr[attr->type].on_union)
2183 error_loc("inapplicable attribute %s for union\n",
2184 allowed_attr[attr->type].display_name);
2185 }
2186 return attrs;
2187 }
2188
2189 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2190 {
2191 const attr_t *attr;
2192 if (!attrs) return attrs;
2193 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2194 {
2195 if (!allowed_attr[attr->type].on_field)
2196 error_loc("inapplicable attribute %s for field %s\n",
2197 allowed_attr[attr->type].display_name, name);
2198 }
2199 return attrs;
2200 }
2201
2202 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2203 {
2204 const attr_t *attr;
2205 if (!attrs) return attrs;
2206 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2207 {
2208 if (!allowed_attr[attr->type].on_library)
2209 error_loc("inapplicable attribute %s for library %s\n",
2210 allowed_attr[attr->type].display_name, name);
2211 }
2212 return attrs;
2213 }
2214
2215 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2216 {
2217 const attr_t *attr;
2218 if (!attrs) return attrs;
2219 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2220 {
2221 if (!allowed_attr[attr->type].on_dispinterface)
2222 error_loc("inapplicable attribute %s for dispinterface %s\n",
2223 allowed_attr[attr->type].display_name, name);
2224 }
2225 return attrs;
2226 }
2227
2228 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2229 {
2230 const attr_t *attr;
2231 if (!attrs) return attrs;
2232 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2233 {
2234 if (!allowed_attr[attr->type].on_module)
2235 error_loc("inapplicable attribute %s for module %s\n",
2236 allowed_attr[attr->type].display_name, name);
2237 }
2238 return attrs;
2239 }
2240
2241 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2242 {
2243 const attr_t *attr;
2244 if (!attrs) return attrs;
2245 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2246 {
2247 if (!allowed_attr[attr->type].on_coclass)
2248 error_loc("inapplicable attribute %s for coclass %s\n",
2249 allowed_attr[attr->type].display_name, name);
2250 }
2251 return attrs;
2252 }
2253
2254 static int is_allowed_conf_type(const type_t *type)
2255 {
2256 switch (type->type)
2257 {
2258 case RPC_FC_CHAR:
2259 case RPC_FC_SMALL:
2260 case RPC_FC_BYTE:
2261 case RPC_FC_USMALL:
2262 case RPC_FC_WCHAR:
2263 case RPC_FC_SHORT:
2264 case RPC_FC_ENUM16:
2265 case RPC_FC_USHORT:
2266 case RPC_FC_LONG:
2267 case RPC_FC_ENUM32:
2268 case RPC_FC_ULONG:
2269 return TRUE;
2270 default:
2271 return FALSE;
2272 }
2273 }
2274
2275 static int is_ptr_guid_type(const type_t *type)
2276 {
2277 unsigned int align = 0;
2278
2279 /* first, make sure it is a pointer to something */
2280 if (!is_ptr(type)) return FALSE;
2281
2282 /* second, make sure it is a pointer to something of size sizeof(GUID),
2283 * i.e. 16 bytes */
2284 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2285 }
2286
2287 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2288 {
2289 expr_t *dim;
2290 struct expr_loc expr_loc;
2291 expr_loc.v = arg;
2292 expr_loc.attr = attr_name;
2293 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2294 {
2295 if (dim->type != EXPR_VOID)
2296 {
2297 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2298 if (!is_allowed_conf_type(expr_type))
2299 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2300 attr_name);
2301 }
2302 }
2303 }
2304
2305 static void check_remoting_fields(const var_t *var, type_t *type);
2306
2307 /* checks that properties common to fields and arguments are consistent */
2308 static void check_field_common(const type_t *container_type,
2309 const char *container_name, const var_t *arg)
2310 {
2311 type_t *type = arg->type;
2312 int is_wire_marshal = 0;
2313 int is_context_handle = 0;
2314 const char *container_type_name = NULL;
2315
2316 if (is_struct(container_type->type))
2317 container_type_name = "struct";
2318 else if (is_union(container_type->type))
2319 container_type_name = "union";
2320 else if (container_type->type == RPC_FC_FUNCTION)
2321 container_type_name = "function";
2322
2323 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2324 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2325 error_loc_info(&arg->loc_info,
2326 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2327 arg->name);
2328
2329 if (is_attr(arg->attrs, ATTR_SIZEIS))
2330 {
2331 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2332 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2333 }
2334 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2335 {
2336 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2337 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2338 }
2339 if (is_attr(arg->attrs, ATTR_IIDIS))
2340 {
2341 struct expr_loc expr_loc;
2342 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2343 if (expr->type != EXPR_VOID)
2344 {
2345 const type_t *expr_type;
2346 expr_loc.v = arg;
2347 expr_loc.attr = "iid_is";
2348 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2349 if (!expr_type || !is_ptr_guid_type(expr_type))
2350 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2351 }
2352 }
2353 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2354 {
2355 struct expr_loc expr_loc;
2356 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2357 if (expr->type != EXPR_VOID)
2358 {
2359 const type_t *expr_type;
2360 expr_loc.v = arg;
2361 expr_loc.attr = "switch_is";
2362 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2363 if (!expr_type || !is_allowed_conf_type(expr_type))
2364 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2365 expr_loc.attr);
2366 }
2367 }
2368
2369 /* get fundamental type for the argument */
2370 for (;;)
2371 {
2372 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2373 {
2374 is_wire_marshal = 1;
2375 break;
2376 }
2377 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2378 {
2379 is_context_handle = 1;
2380 break;
2381 }
2382 if (type_is_alias(type))
2383 type = type->orig;
2384 else if (is_ptr(type))
2385 type = type->ref;
2386 else if (is_array(type))
2387 type = type_array_get_element(type);
2388 else
2389 break;
2390 }
2391
2392 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2393 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2394 else if (type->type == RPC_FC_FUNCTION)
2395 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2396 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2397 check_remoting_fields(arg, type);
2398 }
2399
2400 static void check_remoting_fields(const var_t *var, type_t *type)
2401 {
2402 const var_t *field;
2403 const var_list_t *fields = NULL;
2404
2405 type = type_get_real_type(type);
2406
2407 if (type->checked)
2408 return;
2409
2410 type->checked = TRUE;
2411
2412 if (is_struct(type->type))
2413 {
2414 if (type_is_complete(type))
2415 fields = type_struct_get_fields(type);
2416 else
2417 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2418 }
2419 else if (is_union(type->type))
2420 fields = type_union_get_cases(type);
2421
2422 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2423 if (field->type) check_field_common(type, type->name, field);
2424 }
2425
2426 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2427 static void check_remoting_args(const var_t *func)
2428 {
2429 const char *funcname = func->name;
2430 const var_t *arg;
2431
2432 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2433 {
2434 int ptr_level = 0;
2435 const type_t *type = arg->type;
2436
2437 /* get pointer level and fundamental type for the argument */
2438 for (;;)
2439 {
2440 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2441 break;
2442 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2443 break;
2444 if (type_is_alias(type))
2445 type = type->orig;
2446 else if (is_ptr(type))
2447 {
2448 ptr_level++;
2449 type = type_pointer_get_ref(type);
2450 }
2451 else
2452 break;
2453 }
2454
2455 /* check that [out] parameters have enough pointer levels */
2456 if (is_attr(arg->attrs, ATTR_OUT))
2457 {
2458 if (!is_array(type))
2459 {
2460 if (!ptr_level)
2461 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2462 if (type->type == RPC_FC_IP && ptr_level == 1)
2463 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2464 }
2465 }
2466
2467 check_field_common(func->type, funcname, arg);
2468 }
2469 }
2470
2471 static void add_explicit_handle_if_necessary(var_t *func)
2472 {
2473 const var_t* explicit_handle_var;
2474 const var_t* explicit_generic_handle_var = NULL;
2475 const var_t* context_handle_var = NULL;
2476
2477 /* check for a defined binding handle */
2478 explicit_handle_var = get_explicit_handle_var(func);
2479 if (!explicit_handle_var)
2480 {
2481 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2482 if (!explicit_generic_handle_var)
2483 {
2484 context_handle_var = get_context_handle_var(func);
2485 if (!context_handle_var)
2486 {
2487 /* no explicit handle specified so add
2488 * "[in] handle_t IDL_handle" as the first parameter to the
2489 * function */
2490 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2491 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2492 idl_handle->type = find_type_or_error("handle_t", 0);
2493 type_function_add_head_arg(func->type, idl_handle);
2494 }
2495 }
2496 }
2497 }
2498
2499 static void check_functions(const type_t *iface, int is_inside_library)
2500 {
2501 const statement_t *stmt;
2502 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2503 {
2504 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2505 {
2506 var_t *func = stmt->u.var;
2507 add_explicit_handle_if_necessary(func);
2508 }
2509 }
2510 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2511 {
2512 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2513 {
2514 const var_t *func = stmt->u.var;
2515 if (!is_attr(func->attrs, ATTR_LOCAL))
2516 check_remoting_args(func);
2517 }
2518 }
2519 }
2520
2521 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2522 {
2523 const statement_t *stmt;
2524
2525 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2526 {
2527 if (stmt->type == STMT_LIBRARY)
2528 check_statements(stmt->u.lib->stmts, TRUE);
2529 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2530 check_functions(stmt->u.type, is_inside_library);
2531 }
2532 }
2533
2534 static void check_all_user_types(const statement_list_t *stmts)
2535 {
2536 const statement_t *stmt;
2537
2538 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2539 {
2540 if (stmt->type == STMT_LIBRARY)
2541 check_all_user_types(stmt->u.lib->stmts);
2542 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP &&
2543 !is_local(stmt->u.type->attrs))
2544 {
2545 const statement_t *stmt_func;
2546 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2547 const var_t *func = stmt_func->u.var;
2548 check_for_additional_prototype_types(func->type->details.function->args);
2549 }
2550 }
2551 }
2552 }
2553
2554 int is_valid_uuid(const char *s)
2555 {
2556 int i;
2557
2558 for (i = 0; i < 36; ++i)
2559 if (i == 8 || i == 13 || i == 18 || i == 23)
2560 {
2561 if (s[i] != '-')
2562 return FALSE;
2563 }
2564 else
2565 if (!isxdigit(s[i]))
2566 return FALSE;
2567
2568 return s[i] == '\0';
2569 }
2570
2571 static statement_t *make_statement(enum statement_type type)
2572 {
2573 statement_t *stmt = xmalloc(sizeof(*stmt));
2574 stmt->type = type;
2575 return stmt;
2576 }
2577
2578 static statement_t *make_statement_type_decl(type_t *type)
2579 {
2580 statement_t *stmt = make_statement(STMT_TYPE);
2581 stmt->u.type = type;
2582 return stmt;
2583 }
2584
2585 static statement_t *make_statement_reference(type_t *type)
2586 {
2587 statement_t *stmt = make_statement(STMT_TYPEREF);
2588 stmt->u.type = type;
2589 return stmt;
2590 }
2591
2592 static statement_t *make_statement_declaration(var_t *var)
2593 {
2594 statement_t *stmt = make_statement(STMT_DECLARATION);
2595 stmt->u.var = var;
2596 if (var->stgclass == STG_EXTERN && var->eval)
2597 warning("'%s' initialised and declared extern\n", var->name);
2598 if (is_const_decl(var))
2599 {
2600 if (var->eval)
2601 reg_const(var);
2602 }
2603 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2604 var->type->type != RPC_FC_FUNCTION)
2605 error_loc("instantiation of data is illegal\n");
2606 return stmt;
2607 }
2608
2609 static statement_t *make_statement_library(typelib_t *typelib)
2610 {
2611 statement_t *stmt = make_statement(STMT_LIBRARY);
2612 stmt->u.lib = typelib;
2613 return stmt;
2614 }
2615
2616 static statement_t *make_statement_cppquote(const char *str)
2617 {
2618 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2619 stmt->u.str = str;
2620 return stmt;
2621 }
2622
2623 static statement_t *make_statement_importlib(const char *str)
2624 {
2625 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2626 stmt->u.str = str;
2627 return stmt;
2628 }
2629
2630 static statement_t *make_statement_import(const char *str)
2631 {
2632 statement_t *stmt = make_statement(STMT_IMPORT);
2633 stmt->u.str = str;
2634 return stmt;
2635 }
2636
2637 static statement_t *make_statement_module(type_t *type)
2638 {
2639 statement_t *stmt = make_statement(STMT_MODULE);
2640 stmt->u.type = type;
2641 return stmt;
2642 }
2643
2644 static statement_t *make_statement_typedef(declarator_list_t *decls)
2645 {
2646 declarator_t *decl, *next;
2647 statement_t *stmt;
2648 type_list_t **type_list;
2649
2650 if (!decls) return NULL;
2651
2652 stmt = make_statement(STMT_TYPEDEF);
2653 stmt->u.type_list = NULL;
2654 type_list = &stmt->u.type_list;
2655
2656 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2657 {
2658 var_t *var = decl->var;
2659 type_t *type = find_type_or_error(var->name, 0);
2660 *type_list = xmalloc(sizeof(type_list_t));
2661 (*type_list)->type = type;
2662 (*type_list)->next = NULL;
2663
2664 type_list = &(*type_list)->next;
2665 free(decl);
2666 free(var);
2667 }
2668
2669 return stmt;
2670 }
2671
2672 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2673 {
2674 if (!stmt) return list;
2675 if (!list)
2676 {
2677 list = xmalloc( sizeof(*list) );
2678 list_init( list );
2679 }
2680 list_add_tail( list, &stmt->entry );
2681 return list;
2682 }
2683
2684 void init_loc_info(loc_info_t *i)
2685 {
2686 i->input_name = input_name ? input_name : "stdin";
2687 i->line_number = line_number;
2688 i->near_text = parser_text;
2689 }
2690
2691 static void check_def(const type_t *t)
2692 {
2693 if (t->defined)
2694 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2695 t->name, t->loc_info.input_name, t->loc_info.line_number);
2696 }
useful hacks and other patches not (yet) suitable for mainline