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mshtml: Implement IDispatch for IHTMLDocument5.
[wine/multimedia.git] / tools / widl / parser.y
blobf6daa0edcb345365ef6f28594d44190279a2f75b
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
43 #if defined(YYBYACC)
44 /* Berkeley yacc (byacc) doesn't seem to know about these */
45 /* Some *BSD supplied versions do define these though */
46 # ifndef YYEMPTY
47 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
48 # endif
49 # ifndef YYLEX
50 # define YYLEX yylex()
51 # endif
52
53 #elif defined(YYBISON)
54 /* Bison was used for original development */
55 /* #define YYEMPTY -2 */
56 /* #define YYLEX yylex() */
57
58 #else
59 /* No yacc we know yet */
60 # if !defined(YYEMPTY) || !defined(YYLEX)
61 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
62 # elif defined(__GNUC__) /* gcc defines the #warning directive */
63 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
64 /* #else we just take a chance that it works... */
65 # endif
66 #endif
67
68 #define YYERROR_VERBOSE
69
70 unsigned char pointer_default = RPC_FC_UP;
71 static int is_in_interface = FALSE;
72 static int is_object_interface = FALSE;
73 /* are we inside a library block? */
74 static int is_inside_library = FALSE;
75
76 typedef struct list typelist_t;
77 struct typenode {
78 type_t *type;
79 struct list entry;
80 };
81
82 struct _import_t
83 {
84 char *name;
85 int import_performed;
86 };
87
88 typedef struct _decl_spec_t
89 {
90 type_t *type;
91 attr_list_t *attrs;
92 enum storage_class stgclass;
93 } decl_spec_t;
94
95 typelist_t incomplete_types = LIST_INIT(incomplete_types);
96
97 static void add_incomplete(type_t *t);
98 static void fix_incomplete(void);
99
100 static str_list_t *append_str(str_list_t *list, char *str);
101 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
102 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
103 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);
104 static attr_t *make_attr(enum attr_type type);
105 static attr_t *make_attrv(enum attr_type type, unsigned long val);
106 static attr_t *make_attrp(enum attr_type type, void *val);
107 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
108 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
109 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
110 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
111 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
112 static ifref_t *make_ifref(type_t *iface);
113 static var_list_t *append_var(var_list_t *list, var_t *var);
114 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
115 static var_t *make_var(char *name);
116 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
117 static declarator_t *make_declarator(var_t *var);
118 static func_list_t *append_func(func_list_t *list, func_t *func);
119 static func_t *make_func(var_t *def);
120 static type_t *make_class(char *name);
121 static type_t *make_safearray(type_t *type);
122 static type_t *make_builtin(char *name);
123 static type_t *make_int(int sign);
124 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
125 static type_t *make_func_type(var_list_t *args);
126 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs);
127 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
128
129 static type_t *reg_type(type_t *type, const char *name, int t);
130 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
131 static type_t *find_type_or_error(const char *name, int t);
132 static type_t *find_type_or_error2(char *name, int t);
133 static type_t *get_type(unsigned char type, char *name, int t);
134 static type_t *get_typev(unsigned char type, var_t *name, int t);
135 static int get_struct_type(var_list_t *fields);
136
137 static var_t *reg_const(var_t *var);
138
139 static void write_libid(const typelib_t *typelib);
140 static void write_clsid(type_t *cls);
141 static void write_diid(type_t *iface);
142 static void write_iid(type_t *iface);
143
144 static int compute_method_indexes(type_t *iface);
145 static char *gen_name(void);
146 static statement_t *process_typedefs(var_list_t *names);
147 static void check_arg(var_t *arg);
148 static void check_functions(const type_t *iface);
149 static void check_all_user_types(const statement_list_t *stmts);
150 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
152 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
153 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
154 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
155 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
156 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
157 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
158 const char *get_attr_display_name(enum attr_type type);
159 static void add_explicit_handle_if_necessary(func_t *func);
160 static void check_def(const type_t *t);
161
162 static statement_t *make_statement(enum statement_type type);
163 static statement_t *make_statement_type_decl(type_t *type);
164 static statement_t *make_statement_reference(type_t *type);
165 static statement_t *make_statement_declaration(var_t *var);
166 static statement_t *make_statement_library(typelib_t *typelib);
167 static statement_t *make_statement_cppquote(const char *str);
168 static statement_t *make_statement_importlib(const char *str);
169 static statement_t *make_statement_module(type_t *type);
170 static statement_t *make_statement_import(const char *str);
171 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
172 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt);
173
174 #define tsENUM 1
175 #define tsSTRUCT 2
176 #define tsUNION 3
177
178 %}
179 %union {
180 attr_t *attr;
181 attr_list_t *attr_list;
182 str_list_t *str_list;
183 expr_t *expr;
184 expr_list_t *expr_list;
185 array_dims_t *array_dims;
186 type_t *type;
187 var_t *var;
188 var_list_t *var_list;
189 declarator_t *declarator;
190 declarator_list_t *declarator_list;
191 func_t *func;
192 func_list_t *func_list;
193 statement_t *statement;
194 statement_list_t *stmt_list;
195 ifref_t *ifref;
196 ifref_list_t *ifref_list;
197 char *str;
198 UUID *uuid;
199 unsigned int num;
200 double dbl;
201 interface_info_t ifinfo;
202 typelib_t *typelib;
203 struct _import_t *import;
204 struct _decl_spec_t *declspec;
205 enum storage_class stgclass;
206 }
207
208 %token <str> aIDENTIFIER
209 %token <str> aKNOWNTYPE
210 %token <num> aNUM aHEXNUM
211 %token <dbl> aDOUBLE
212 %token <str> aSTRING aWSTRING
213 %token <uuid> aUUID
214 %token aEOF
215 %token SHL SHR
216 %token MEMBERPTR
217 %token EQUALITY INEQUALITY
218 %token GREATEREQUAL LESSEQUAL
219 %token LOGICALOR LOGICALAND
220 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
221 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
222 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
223 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
224 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
225 %token tDEFAULT
226 %token tDEFAULTCOLLELEM
227 %token tDEFAULTVALUE
228 %token tDEFAULTVTABLE
229 %token tDISPLAYBIND
230 %token tDISPINTERFACE
231 %token tDLLNAME tDOUBLE tDUAL
232 %token tENDPOINT
233 %token tENTRY tENUM tERRORSTATUST
234 %token tEXPLICITHANDLE tEXTERN
235 %token tFALSE
236 %token tFASTCALL
237 %token tFLOAT
238 %token tHANDLE
239 %token tHANDLET
240 %token tHELPCONTEXT tHELPFILE
241 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
242 %token tHIDDEN
243 %token tHYPER tID tIDEMPOTENT
244 %token tIIDIS
245 %token tIMMEDIATEBIND
246 %token tIMPLICITHANDLE
247 %token tIMPORT tIMPORTLIB
248 %token tIN tIN_LINE tINLINE
249 %token tINPUTSYNC
250 %token tINT tINT64
251 %token tINTERFACE
252 %token tLCID
253 %token tLENGTHIS tLIBRARY
254 %token tLOCAL
255 %token tLONG
256 %token tMETHODS
257 %token tMODULE
258 %token tNONBROWSABLE
259 %token tNONCREATABLE
260 %token tNONEXTENSIBLE
261 %token tNULL
262 %token tOBJECT tODL tOLEAUTOMATION
263 %token tOPTIONAL
264 %token tOUT
265 %token tPASCAL
266 %token tPOINTERDEFAULT
267 %token tPROPERTIES
268 %token tPROPGET tPROPPUT tPROPPUTREF
269 %token tPTR
270 %token tPUBLIC
271 %token tRANGE
272 %token tREADONLY tREF
273 %token tREGISTER
274 %token tREQUESTEDIT
275 %token tRESTRICTED
276 %token tRETVAL
277 %token tSAFEARRAY
278 %token tSHORT
279 %token tSIGNED
280 %token tSINGLE
281 %token tSIZEIS tSIZEOF
282 %token tSMALL
283 %token tSOURCE
284 %token tSTATIC
285 %token tSTDCALL
286 %token tSTRICTCONTEXTHANDLE
287 %token tSTRING tSTRUCT
288 %token tSWITCH tSWITCHIS tSWITCHTYPE
289 %token tTRANSMITAS
290 %token tTRUE
291 %token tTYPEDEF
292 %token tUNION
293 %token tUNIQUE
294 %token tUNSIGNED
295 %token tUUID
296 %token tV1ENUM
297 %token tVARARG
298 %token tVERSION
299 %token tVOID
300 %token tWCHAR tWIREMARSHAL
301
302 %type <attr> attribute type_qualifier function_specifier
303 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
304 %type <str_list> str_list
305 %type <expr> m_expr expr expr_const expr_int_const array
306 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
307 %type <ifinfo> interfacehdr
308 %type <stgclass> storage_cls_spec
309 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
310 %type <type> inherit interface interfacedef interfacedec
311 %type <type> dispinterface dispinterfacehdr dispinterfacedef
312 %type <type> module modulehdr moduledef
313 %type <type> base_type int_std
314 %type <type> enumdef structdef uniondef typedecl
315 %type <type> type
316 %type <ifref> coclass_int
317 %type <ifref_list> coclass_ints
318 %type <var> arg ne_union_field union_field s_field case enum declaration
319 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
320 %type <var> m_ident t_ident ident
321 %type <declarator> declarator direct_declarator init_declarator
322 %type <declarator_list> declarator_list
323 %type <func> funcdef
324 %type <func_list> int_statements dispint_meths
325 %type <type> coclass coclasshdr coclassdef
326 %type <num> pointer_type version
327 %type <str> libraryhdr callconv cppquote importlib import
328 %type <uuid> uuid_string
329 %type <import> import_start
330 %type <typelib> library_start librarydef
331 %type <statement> statement typedef
332 %type <stmt_list> gbl_statements imp_statements
333
334 %left ','
335 %right '?' ':'
336 %left LOGICALOR
337 %left LOGICALAND
338 %left '|'
339 %left '^'
340 %left '&'
341 %left EQUALITY INEQUALITY
342 %left '<' '>' LESSEQUAL GREATEREQUAL
343 %left SHL SHR
344 %left '-' '+'
345 %left '*' '/' '%'
346 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
347 %left '.' MEMBERPTR '[' ']'
348
349 %%
350
351 input: gbl_statements { fix_incomplete();
352 check_all_user_types($1);
353 write_proxies($1);
354 write_client($1);
355 write_server($1);
356 write_dlldata($1);
357 }
358 ;
359
360 gbl_statements: { $$ = NULL; }
361 | gbl_statements interfacedec { $$ = $1; }
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 if (!parse_only && do_header) write_coclass_forward($2);
366 }
367 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
368 add_typelib_entry($2);
369 reg_type($2, $2->name, 0);
370 if (!parse_only && do_header) write_coclass_forward($2);
371 }
372 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
373 add_typelib_entry($2);
374 }
375 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
376 | gbl_statements statement { $$ = append_statement($1, $2); }
377 ;
378
379 imp_statements: { $$ = NULL; }
380 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
381 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
382 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
383 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
384 if (!parse_only) add_typelib_entry($2);
385 reg_type($2, $2->name, 0);
386 if (!parse_only && do_header) write_coclass_forward($2);
387 }
388 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
389 | imp_statements statement { $$ = append_statement($1, $2); }
390 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
391 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
392 ;
393
394 int_statements: { $$ = NULL; }
395 | int_statements statement { $$ = append_func_from_statement( $1, $2 ); }
396 ;
397
398 semicolon_opt:
399 | ';'
400 ;
401
402 statement:
403 cppquote { $$ = make_statement_cppquote($1); }
404 | typedecl ';' { $$ = make_statement_type_decl($1);
405 if (!parse_only && do_header) {
406 write_type_def_or_decl(header, $1, FALSE, NULL);
407 fprintf(header, ";\n\n");
408 }
409 }
410 | declaration ';' { $$ = make_statement_declaration($1);
411 if (!parse_only && do_header) write_declaration($1, is_in_interface);
412 }
413 | import { $$ = make_statement_import($1); }
414 | typedef ';' { $$ = $1; }
415 ;
416
417 typedecl:
418 enumdef
419 | structdef
420 | uniondef
421 ;
422
423 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
424 ;
425 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
426 $$ = xmalloc(sizeof(struct _import_t));
427 $$->name = $2;
428 $$->import_performed = do_import($2);
429 if (!$$->import_performed) yychar = aEOF;
430 }
431 ;
432
433 import: import_start imp_statements aEOF { $$ = $1->name;
434 if ($1->import_performed) pop_import();
435 free($1);
436 if (!parse_only && do_header) write_import($$);
437 }
438 ;
439
440 importlib: tIMPORTLIB '(' aSTRING ')'
441 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
442 ;
443
444 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
445 ;
446 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
447 if (!parse_only) start_typelib($$);
448 if (!parse_only && do_header) write_library($$);
449 if (!parse_only && do_idfile) write_libid($$);
450 is_inside_library = TRUE;
451 }
452 ;
453 librarydef: library_start imp_statements '}'
454 semicolon_opt { $$ = $1;
455 $$->stmts = $2;
456 if (!parse_only) end_typelib();
457 is_inside_library = FALSE;
458 }
459 ;
460
461 m_args: { $$ = NULL; }
462 | args
463 ;
464
465 no_args: tVOID { $$ = NULL; }
466 ;
467
468 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
469 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
470 | no_args
471 ;
472
473 /* split into two rules to get bison to resolve a tVOID conflict */
474 arg: attributes decl_spec declarator { $$ = $3->var;
475 $$->attrs = $1;
476 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
477 error_loc("invalid storage class for function parameter\n");
478 set_type($$, $2, $3, TRUE);
479 free($3);
480 }
481 | decl_spec declarator { $$ = $2->var;
482 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
483 error_loc("invalid storage class for function parameter\n");
484 set_type($$, $1, $2, TRUE);
485 free($2);
486 }
487 ;
488
489 array: '[' m_expr ']' { $$ = $2; }
490 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
491 ;
492
493 m_attributes: { $$ = NULL; }
494 | attributes
495 ;
496
497 attributes:
498 '[' attrib_list ']' { $$ = $2;
499 if (!$$)
500 error_loc("empty attribute lists unsupported\n");
501 }
502 ;
503
504 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
505 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
506 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
507 ;
508
509 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
510 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
511 ;
512
513 attribute: { $$ = NULL; }
514 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
515 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
516 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
517 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
518 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
519 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
520 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
521 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
522 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
523 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
524 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
525 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
526 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
527 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
528 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
529 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
530 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
531 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
532 | tDUAL { $$ = make_attr(ATTR_DUAL); }
533 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
534 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
535 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
536 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
537 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
538 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
539 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
540 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
541 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
542 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
543 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
544 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
545 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
546 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
547 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
548 | tIN { $$ = make_attr(ATTR_IN); }
549 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
550 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
551 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
552 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
553 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
554 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
555 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
556 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
557 | tODL { $$ = make_attr(ATTR_ODL); }
558 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
559 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
560 | tOUT { $$ = make_attr(ATTR_OUT); }
561 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
562 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
563 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
564 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
565 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
566 | tRANGE '(' expr_int_const ',' expr_int_const ')'
567 { expr_list_t *list = append_expr( NULL, $3 );
568 list = append_expr( list, $5 );
569 $$ = make_attrp(ATTR_RANGE, list); }
570 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
571 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
572 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
573 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
574 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
575 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
576 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
577 | tSTRING { $$ = make_attr(ATTR_STRING); }
578 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
579 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
580 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
581 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
582 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
583 | tVARARG { $$ = make_attr(ATTR_VARARG); }
584 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
585 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
586 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
587 ;
588
589 uuid_string:
590 aUUID
591 | aSTRING { if (!is_valid_uuid($1))
592 error_loc("invalid UUID: %s\n", $1);
593 $$ = parse_uuid($1); }
594 ;
595
596 callconv: tCDECL { $$ = $<str>1; }
597 | tFASTCALL { $$ = $<str>1; }
598 | tPASCAL { $$ = $<str>1; }
599 | tSTDCALL { $$ = $<str>1; }
600 ;
601
602 cases: { $$ = NULL; }
603 | cases case { $$ = append_var( $1, $2 ); }
604 ;
605
606 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
607 $$ = $4; if (!$$) $$ = make_var(NULL);
608 $$->attrs = append_attr( $$->attrs, a );
609 }
610 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
611 $$ = $3; if (!$$) $$ = make_var(NULL);
612 $$->attrs = append_attr( $$->attrs, a );
613 }
614 ;
615
616 enums: { $$ = NULL; }
617 | enum_list ',' { $$ = $1; }
618 | enum_list
619 ;
620
621 enum_list: enum { if (!$1->eval)
622 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
623 $$ = append_var( NULL, $1 );
624 }
625 | enum_list ',' enum { if (!$3->eval)
626 {
627 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
628 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
629 }
630 $$ = append_var( $1, $3 );
631 }
632 ;
633
634 enum: ident '=' expr_int_const { $$ = reg_const($1);
635 $$->eval = $3;
636 $$->type = make_int(0);
637 }
638 | ident { $$ = reg_const($1);
639 $$->type = make_int(0);
640 }
641 ;
642
643 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
644 $$->kind = TKIND_ENUM;
645 $$->fields_or_args = $4;
646 $$->defined = TRUE;
647 if(in_typelib)
648 add_typelib_entry($$);
649 }
650 ;
651
652 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
653 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
654 ;
655
656 /*
657 exprs: { $$ = make_expr(EXPR_VOID); }
658 | expr_list
659 ;
660
661 expr_list: expr
662 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
663 ;
664 */
665
666 m_expr: { $$ = make_expr(EXPR_VOID); }
667 | expr
668 ;
669
670 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
671 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
672 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
673 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
674 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
675 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
676 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
677 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
678 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
679 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
680 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
681 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
682 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
683 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
684 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
685 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
686 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
687 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
688 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
689 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
690 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
691 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
692 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
693 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
694 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
695 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
696 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
697 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
698 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
699 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
700 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
701 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
702 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
703 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
704 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
705 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
706 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
707 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
708 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
709 | '(' expr ')' { $$ = $2; }
710 ;
711
712 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
713 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
714 ;
715
716 expr_int_const: expr { $$ = $1;
717 if (!$$->is_const)
718 error_loc("expression is not an integer constant\n");
719 }
720 ;
721
722 expr_const: expr { $$ = $1;
723 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
724 error_loc("expression is not constant\n");
725 }
726 ;
727
728 fields: { $$ = NULL; }
729 | fields field { $$ = append_var_list($1, $2); }
730 ;
731
732 field: m_attributes decl_spec declarator_list ';'
733 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
734 check_field_attrs(first, $1);
735 $$ = set_var_types($1, $2, $3);
736 }
737 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
738 v->type = $2; v->attrs = $1;
739 $$ = append_var(NULL, v);
740 }
741 ;
742
743 ne_union_field:
744 s_field ';' { $$ = $1; }
745 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
746 ;
747
748 ne_union_fields: { $$ = NULL; }
749 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
750 ;
751
752 union_field:
753 s_field ';' { $$ = $1; }
754 | ';' { $$ = NULL; }
755 ;
756
757 s_field: m_attributes decl_spec declarator { $$ = $3->var;
758 $$->attrs = check_field_attrs($$->name, $1);
759 set_type($$, $2, $3, FALSE);
760 free($3);
761 }
762 ;
763
764 funcdef:
765 m_attributes decl_spec declarator { var_t *v = $3->var;
766 v->attrs = check_function_attrs(v->name, $1);
767 set_type(v, $2, $3, FALSE);
768 free($3);
769 $$ = make_func(v);
770 }
771 ;
772
773 declaration:
774 attributes decl_spec init_declarator
775 { $$ = $3->var;
776 $$->attrs = $1;
777 set_type($$, $2, $3, FALSE);
778 free($3);
779 }
780 | decl_spec init_declarator { $$ = $2->var;
781 set_type($$, $1, $2, FALSE);
782 free($2);
783 }
784 ;
785
786 m_ident: { $$ = NULL; }
787 | ident
788 ;
789
790 t_ident: { $$ = NULL; }
791 | aIDENTIFIER { $$ = make_var($1); }
792 | aKNOWNTYPE { $$ = make_var($1); }
793 ;
794
795 ident: aIDENTIFIER { $$ = make_var($1); }
796 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
797 | aKNOWNTYPE { $$ = make_var($<str>1); }
798 ;
799
800 base_type: tBYTE { $$ = make_builtin($<str>1); }
801 | tWCHAR { $$ = make_builtin($<str>1); }
802 | int_std
803 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
804 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
805 switch ($$->type) {
806 case RPC_FC_CHAR: break;
807 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
808 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
809 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
810 case RPC_FC_HYPER:
811 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
812 {
813 $$ = alias($$, "MIDL_uhyper");
814 $$->sign = 0;
815 }
816 break;
817 default: break;
818 }
819 }
820 | tUNSIGNED { $$ = make_int(-1); }
821 | tFLOAT { $$ = make_builtin($<str>1); }
822 | tSINGLE { $$ = find_type("float", 0); }
823 | tDOUBLE { $$ = make_builtin($<str>1); }
824 | tBOOLEAN { $$ = make_builtin($<str>1); }
825 | tERRORSTATUST { $$ = make_builtin($<str>1); }
826 | tHANDLET { $$ = make_builtin($<str>1); }
827 ;
828
829 m_int:
830 | tINT
831 ;
832
833 int_std: tINT { $$ = make_builtin($<str>1); }
834 | tSHORT m_int { $$ = make_builtin($<str>1); }
835 | tSMALL { $$ = make_builtin($<str>1); }
836 | tLONG m_int { $$ = make_builtin($<str>1); }
837 | tHYPER m_int { $$ = make_builtin($<str>1); }
838 | tINT64 { $$ = make_builtin($<str>1); }
839 | tCHAR { $$ = make_builtin($<str>1); }
840 ;
841
842 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
843 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
844 if ($$->kind != TKIND_COCLASS)
845 error_loc("%s was not declared a coclass at %s:%d\n",
846 $2, $$->loc_info.input_name,
847 $$->loc_info.line_number);
848 }
849 ;
850
851 coclasshdr: attributes coclass { $$ = $2;
852 check_def($$);
853 $$->attrs = check_coclass_attrs($2->name, $1);
854 if (!parse_only && do_header)
855 write_coclass($$);
856 if (!parse_only && do_idfile)
857 write_clsid($$);
858 }
859 ;
860
861 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
862 { $$ = $1;
863 $$->ifaces = $3;
864 $$->defined = TRUE;
865 }
866 ;
867
868 coclass_ints: { $$ = NULL; }
869 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
870 ;
871
872 coclass_int:
873 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
874 ;
875
876 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
877 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
878 ;
879
880 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
881 is_in_interface = TRUE;
882 is_object_interface = TRUE;
883 $$ = $2;
884 check_def($$);
885 attrs = make_attr(ATTR_DISPINTERFACE);
886 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
887 $$->ref = find_type("IDispatch", 0);
888 if (!$$->ref) error_loc("IDispatch is undefined\n");
889 $$->defined = TRUE;
890 if (!parse_only && do_header) write_forward($$);
891 }
892 ;
893
894 dispint_props: tPROPERTIES ':' { $$ = NULL; }
895 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
896 ;
897
898 dispint_meths: tMETHODS ':' { $$ = NULL; }
899 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
900 ;
901
902 dispinterfacedef: dispinterfacehdr '{'
903 dispint_props
904 dispint_meths
905 '}' { $$ = $1;
906 $$->fields_or_args = $3;
907 $$->funcs = $4;
908 if (!parse_only && do_header) write_interface($$);
909 if (!parse_only && do_idfile) write_diid($$);
910 is_in_interface = FALSE;
911 }
912 | dispinterfacehdr
913 '{' interface ';' '}' { $$ = $1;
914 $$->fields_or_args = $3->fields_or_args;
915 $$->funcs = $3->funcs;
916 if (!parse_only && do_header) write_interface($$);
917 if (!parse_only && do_idfile) write_diid($$);
918 is_in_interface = FALSE;
919 }
920 ;
921
922 inherit: { $$ = NULL; }
923 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
924 ;
925
926 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
927 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
928 ;
929
930 interfacehdr: attributes interface { $$.interface = $2;
931 $$.old_pointer_default = pointer_default;
932 if (is_attr($1, ATTR_POINTERDEFAULT))
933 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
934 is_object_interface = is_object($1);
935 is_in_interface = TRUE;
936 check_def($2);
937 $2->attrs = check_iface_attrs($2->name, $1);
938 $2->defined = TRUE;
939 if (!parse_only && do_header) write_forward($2);
940 }
941 ;
942
943 interfacedef: interfacehdr inherit
944 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
945 $$->ref = $2;
946 $$->funcs = $4;
947 check_functions($$);
948 compute_method_indexes($$);
949 if (!parse_only && do_header) write_interface($$);
950 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
951 if (!parse_only && do_idfile) write_iid($$);
952 pointer_default = $1.old_pointer_default;
953 is_in_interface = FALSE;
954 }
955 /* MIDL is able to import the definition of a base class from inside the
956 * definition of a derived class, I'll try to support it with this rule */
957 | interfacehdr ':' aIDENTIFIER
958 '{' import int_statements '}'
959 semicolon_opt { $$ = $1.interface;
960 $$->ref = find_type_or_error2($3, 0);
961 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
962 $$->funcs = $6;
963 compute_method_indexes($$);
964 if (!parse_only && do_header) write_interface($$);
965 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
966 if (!parse_only && do_idfile) write_iid($$);
967 pointer_default = $1.old_pointer_default;
968 is_in_interface = FALSE;
969 }
970 | dispinterfacedef semicolon_opt { $$ = $1; }
971 ;
972
973 interfacedec:
974 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
975 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
976 ;
977
978 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
979 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
980 ;
981
982 modulehdr: attributes module { $$ = $2;
983 $$->attrs = check_module_attrs($2->name, $1);
984 }
985 ;
986
987 moduledef: modulehdr '{' int_statements '}'
988 semicolon_opt { $$ = $1;
989 $$->funcs = $3;
990 /* FIXME: if (!parse_only && do_header) write_module($$); */
991 }
992 ;
993
994 storage_cls_spec:
995 tEXTERN { $$ = STG_EXTERN; }
996 | tSTATIC { $$ = STG_STATIC; }
997 | tREGISTER { $$ = STG_REGISTER; }
998 ;
999
1000 function_specifier:
1001 tINLINE { $$ = make_attr(ATTR_INLINE); }
1002 ;
1003
1004 type_qualifier:
1005 tCONST { $$ = make_attr(ATTR_CONST); }
1006 ;
1007
1008 m_type_qual_list: { $$ = NULL; }
1009 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
1010 ;
1011
1012 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
1013 | decl_spec_no_type type m_decl_spec_no_type
1014 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
1015 ;
1016
1017 m_decl_spec_no_type: { $$ = NULL; }
1018 | decl_spec_no_type
1019 ;
1020
1021 decl_spec_no_type:
1022 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1023 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1024 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
1025 ;
1026
1027 declarator:
1028 '*' m_type_qual_list declarator %prec PPTR
1029 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1030 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1031 | direct_declarator
1032 ;
1033
1034 direct_declarator:
1035 ident { $$ = make_declarator($1); }
1036 | '(' declarator ')' { $$ = $2; }
1037 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1038 | direct_declarator '(' m_args ')' { $$ = $1;
1039 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1040 $$->type = NULL;
1041 }
1042 ;
1043
1044 declarator_list:
1045 declarator { $$ = append_declarator( NULL, $1 ); }
1046 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1047 ;
1048
1049 init_declarator:
1050 declarator { $$ = $1; }
1051 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1052 ;
1053
1054 pointer_type:
1055 tREF { $$ = RPC_FC_RP; }
1056 | tUNIQUE { $$ = RPC_FC_UP; }
1057 | tPTR { $$ = RPC_FC_FP; }
1058 ;
1059
1060 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1061 /* overwrite RPC_FC_STRUCT with a more exact type */
1062 check_def($$);
1063 $$->type = get_struct_type( $4 );
1064 $$->kind = TKIND_RECORD;
1065 $$->fields_or_args = $4;
1066 $$->defined = TRUE;
1067 if(in_typelib)
1068 add_typelib_entry($$);
1069 }
1070 ;
1071
1072 type: tVOID { $$ = find_type_or_error("void", 0); }
1073 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1074 | base_type { $$ = $1; }
1075 | enumdef { $$ = $1; }
1076 | tENUM aIDENTIFIER { $$ = find_type_or_error2($2, tsENUM); }
1077 | structdef { $$ = $1; }
1078 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
1079 | uniondef { $$ = $1; }
1080 | tUNION aIDENTIFIER { $$ = find_type_or_error2($2, tsUNION); }
1081 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1082 ;
1083
1084 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1085 { reg_typedefs($3, $4, check_typedef_attrs($2));
1086 $$ = process_typedefs($4);
1087 }
1088 ;
1089
1090 uniondef: tUNION t_ident '{' ne_union_fields '}'
1091 { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
1092 check_def($$);
1093 $$->kind = TKIND_UNION;
1094 $$->fields_or_args = $4;
1095 $$->defined = TRUE;
1096 }
1097 | tUNION t_ident
1098 tSWITCH '(' s_field ')'
1099 m_ident '{' cases '}' { var_t *u = $7;
1100 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
1101 check_def($$);
1102 $$->kind = TKIND_UNION;
1103 if (!u) u = make_var( xstrdup("tagged_union") );
1104 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1105 u->type->kind = TKIND_UNION;
1106 u->type->fields_or_args = $9;
1107 u->type->defined = TRUE;
1108 $$->fields_or_args = append_var( $$->fields_or_args, $5 );
1109 $$->fields_or_args = append_var( $$->fields_or_args, u );
1110 $$->defined = TRUE;
1111 }
1112 ;
1113
1114 version:
1115 aNUM { $$ = MAKEVERSION($1, 0); }
1116 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1117 ;
1118
1119 %%
1120
1121 static void decl_builtin(const char *name, unsigned char type)
1122 {
1123 type_t *t = make_type(type, NULL);
1124 t->name = xstrdup(name);
1125 reg_type(t, name, 0);
1126 }
1127
1128 static type_t *make_builtin(char *name)
1129 {
1130 /* NAME is strdup'd in the lexer */
1131 type_t *t = duptype(find_type_or_error(name, 0), 0);
1132 t->name = name;
1133 return t;
1134 }
1135
1136 static type_t *make_int(int sign)
1137 {
1138 type_t *t = duptype(find_type_or_error("int", 0), 1);
1139
1140 t->sign = sign;
1141 if (sign < 0)
1142 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1143
1144 return t;
1145 }
1146
1147 void init_types(void)
1148 {
1149 decl_builtin("void", 0);
1150 decl_builtin("byte", RPC_FC_BYTE);
1151 decl_builtin("wchar_t", RPC_FC_WCHAR);
1152 decl_builtin("int", RPC_FC_LONG); /* win32 */
1153 decl_builtin("short", RPC_FC_SHORT);
1154 decl_builtin("small", RPC_FC_SMALL);
1155 decl_builtin("long", RPC_FC_LONG);
1156 decl_builtin("hyper", RPC_FC_HYPER);
1157 decl_builtin("__int64", RPC_FC_HYPER);
1158 decl_builtin("char", RPC_FC_CHAR);
1159 decl_builtin("float", RPC_FC_FLOAT);
1160 decl_builtin("double", RPC_FC_DOUBLE);
1161 decl_builtin("boolean", RPC_FC_BYTE);
1162 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1163 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1164 }
1165
1166 static str_list_t *append_str(str_list_t *list, char *str)
1167 {
1168 struct str_list_entry_t *entry;
1169
1170 if (!str) return list;
1171 if (!list)
1172 {
1173 list = xmalloc( sizeof(*list) );
1174 list_init( list );
1175 }
1176 entry = xmalloc( sizeof(*entry) );
1177 entry->str = str;
1178 list_add_tail( list, &entry->entry );
1179 return list;
1180 }
1181
1182 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1183 {
1184 attr_t *attr_existing;
1185 if (!attr) return list;
1186 if (!list)
1187 {
1188 list = xmalloc( sizeof(*list) );
1189 list_init( list );
1190 }
1191 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1192 if (attr_existing->type == attr->type)
1193 {
1194 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1195 /* use the last attribute, like MIDL does */
1196 list_remove(&attr_existing->entry);
1197 break;
1198 }
1199 list_add_tail( list, &attr->entry );
1200 return list;
1201 }
1202
1203 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1204 {
1205 attr_t *attr;
1206 if (!src) return dst;
1207 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1208 if (attr->type == type)
1209 {
1210 list_remove(&attr->entry);
1211 return append_attr(dst, attr);
1212 }
1213 return dst;
1214 }
1215
1216 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1217 {
1218 struct list *entry;
1219
1220 if (!old_list) return new_list;
1221
1222 while ((entry = list_head(old_list)))
1223 {
1224 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1225 list_remove(entry);
1226 new_list = append_attr(new_list, attr);
1227 }
1228 return new_list;
1229 }
1230
1231 static attr_list_t *dupattrs(const attr_list_t *list)
1232 {
1233 attr_list_t *new_list;
1234 const attr_t *attr;
1235
1236 if (!list) return NULL;
1237
1238 new_list = xmalloc( sizeof(*list) );
1239 list_init( new_list );
1240 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1241 {
1242 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1243 *new_attr = *attr;
1244 list_add_tail(new_list, &new_attr->entry);
1245 }
1246 return new_list;
1247 }
1248
1249 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)
1250 {
1251 decl_spec_t *declspec = left ? left : right;
1252 if (!declspec)
1253 {
1254 declspec = xmalloc(sizeof(*declspec));
1255 declspec->type = NULL;
1256 declspec->attrs = NULL;
1257 declspec->stgclass = STG_NONE;
1258 }
1259 declspec->type = type;
1260 if (left && declspec != left)
1261 {
1262 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1263 if (declspec->stgclass == STG_NONE)
1264 declspec->stgclass = left->stgclass;
1265 else if (left->stgclass != STG_NONE)
1266 error_loc("only one storage class can be specified\n");
1267 assert(!left->type);
1268 free(left);
1269 }
1270 if (right && declspec != right)
1271 {
1272 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1273 if (declspec->stgclass == STG_NONE)
1274 declspec->stgclass = right->stgclass;
1275 else if (right->stgclass != STG_NONE)
1276 error_loc("only one storage class can be specified\n");
1277 assert(!right->type);
1278 free(right);
1279 }
1280
1281 declspec->attrs = append_attr(declspec->attrs, attr);
1282 if (declspec->stgclass == STG_NONE)
1283 declspec->stgclass = stgclass;
1284 else if (stgclass != STG_NONE)
1285 error_loc("only one storage class can be specified\n");
1286
1287 /* apply attributes to type */
1288 if (type && declspec->attrs)
1289 {
1290 attr_list_t *attrs;
1291 declspec->type = duptype(type, 1);
1292 attrs = dupattrs(type->attrs);
1293 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1294 declspec->attrs = NULL;
1295 }
1296
1297 return declspec;
1298 }
1299
1300 static attr_t *make_attr(enum attr_type type)
1301 {
1302 attr_t *a = xmalloc(sizeof(attr_t));
1303 a->type = type;
1304 a->u.ival = 0;
1305 return a;
1306 }
1307
1308 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1309 {
1310 attr_t *a = xmalloc(sizeof(attr_t));
1311 a->type = type;
1312 a->u.ival = val;
1313 return a;
1314 }
1315
1316 static attr_t *make_attrp(enum attr_type type, void *val)
1317 {
1318 attr_t *a = xmalloc(sizeof(attr_t));
1319 a->type = type;
1320 a->u.pval = val;
1321 return a;
1322 }
1323
1324 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1325 {
1326 if (!expr) return list;
1327 if (!list)
1328 {
1329 list = xmalloc( sizeof(*list) );
1330 list_init( list );
1331 }
1332 list_add_tail( list, &expr->entry );
1333 return list;
1334 }
1335
1336 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1337 {
1338 if (!expr) return list;
1339 if (!list)
1340 {
1341 list = xmalloc( sizeof(*list) );
1342 list_init( list );
1343 }
1344 list_add_tail( list, &expr->entry );
1345 return list;
1346 }
1347
1348 static struct list type_pool = LIST_INIT(type_pool);
1349 typedef struct
1350 {
1351 type_t data;
1352 struct list link;
1353 } type_pool_node_t;
1354
1355 type_t *alloc_type(void)
1356 {
1357 type_pool_node_t *node = xmalloc(sizeof *node);
1358 list_add_tail(&type_pool, &node->link);
1359 return &node->data;
1360 }
1361
1362 void set_all_tfswrite(int val)
1363 {
1364 type_pool_node_t *node;
1365 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1366 node->data.tfswrite = val;
1367 }
1368
1369 type_t *make_type(unsigned char type, type_t *ref)
1370 {
1371 type_t *t = alloc_type();
1372 t->name = NULL;
1373 t->kind = TKIND_PRIMITIVE;
1374 t->type = type;
1375 t->ref = ref;
1376 t->attrs = NULL;
1377 t->orig = NULL;
1378 t->funcs = NULL;
1379 t->fields_or_args = NULL;
1380 t->ifaces = NULL;
1381 t->dim = 0;
1382 t->size_is = NULL;
1383 t->length_is = NULL;
1384 t->typestring_offset = 0;
1385 t->ptrdesc = 0;
1386 t->declarray = FALSE;
1387 t->ignore = (parse_only != 0);
1388 t->sign = 0;
1389 t->defined = FALSE;
1390 t->written = FALSE;
1391 t->user_types_registered = FALSE;
1392 t->tfswrite = FALSE;
1393 t->checked = FALSE;
1394 t->typelib_idx = -1;
1395 init_loc_info(&t->loc_info);
1396 return t;
1397 }
1398
1399 static type_t *make_func_type(var_list_t *args)
1400 {
1401 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1402 t->fields_or_args = args;
1403 return t;
1404 }
1405
1406 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1407 {
1408 type_t *t = make_type(pointer_default, ref);
1409 t->attrs = attrs;
1410 return t;
1411 }
1412
1413 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1414 {
1415 type_t *ptrchain_type;
1416 if (!ptrchain)
1417 return type;
1418 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1419 ;
1420 ptrchain_type->ref = type;
1421 return ptrchain;
1422 }
1423
1424 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1425 int top)
1426 {
1427 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1428 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1429 int sizeless, has_varconf;
1430 expr_t *dim;
1431 type_t *atype, **ptype;
1432 array_dims_t *arr = decl ? decl->array : NULL;
1433 type_t *func_type = decl ? decl->func_type : NULL;
1434 type_t *type = decl_spec->type;
1435
1436 if (is_attr(type->attrs, ATTR_INLINE))
1437 {
1438 if (!func_type)
1439 error_loc("inline attribute applied to non-function type\n");
1440 else
1441 {
1442 type_t *t;
1443 /* move inline attribute from return type node to function node */
1444 for (t = func_type; is_ptr(t); t = t->ref)
1445 ;
1446 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1447 }
1448 }
1449
1450 /* add type onto the end of the pointers in pident->type */
1451 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1452 v->stgclass = decl_spec->stgclass;
1453
1454 /* the highest level of pointer specified should default to the var's ptr attr
1455 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1456 * pointer_default so we need to fix that up here */
1457 if (!arr)
1458 {
1459 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1460 const type_t *ptr = NULL;
1461 /* pointer attributes on the left side of the type belong to the function
1462 * pointer, if one is being declared */
1463 type_t **pt = func_type ? &func_type : &v->type;
1464 for (ptr = *pt; ptr && !ptr_attr; )
1465 {
1466 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1467 if (!ptr_attr && ptr->kind == TKIND_ALIAS)
1468 ptr = ptr->orig;
1469 else
1470 break;
1471 }
1472 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1473 {
1474 /* duplicate type to avoid changing original type */
1475 *pt = duptype(*pt, 1);
1476 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1477 }
1478 else if (ptr_attr)
1479 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1480 }
1481
1482 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1483 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1484 v->name);
1485
1486 if (is_attr(v->attrs, ATTR_V1ENUM))
1487 {
1488 if (v->type->type == RPC_FC_ENUM16)
1489 v->type->type = RPC_FC_ENUM32;
1490 else
1491 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1492 }
1493
1494 sizeless = FALSE;
1495 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1496 {
1497 if (sizeless)
1498 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1499
1500 if (dim->is_const)
1501 {
1502 unsigned int align = 0;
1503 size_t size = type_memsize(v->type, &align);
1504
1505 if (dim->cval <= 0)
1506 error_loc("%s: array dimension must be positive\n", v->name);
1507
1508 if (0xffffffffuL / size < (unsigned long) dim->cval)
1509 error_loc("%s: total array size is too large\n", v->name);
1510 else if (0xffffuL < size * dim->cval)
1511 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1512 else
1513 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1514 }
1515 else
1516 {
1517 sizeless = TRUE;
1518 v->type = make_type(RPC_FC_CARRAY, v->type);
1519 }
1520
1521 v->type->declarray = TRUE;
1522 v->type->dim = dim->cval;
1523 }
1524
1525 ptype = &v->type;
1526 has_varconf = FALSE;
1527 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1528 {
1529 if (dim->type != EXPR_VOID)
1530 {
1531 has_varconf = TRUE;
1532 atype = *ptype = duptype(*ptype, 0);
1533
1534 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1535 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1536
1537 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1538 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1539
1540 atype->type = RPC_FC_CARRAY;
1541 atype->size_is = dim;
1542 }
1543
1544 ptype = &(*ptype)->ref;
1545 if (*ptype == NULL)
1546 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1547 }
1548
1549 ptype = &v->type;
1550 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1551 {
1552 if (dim->type != EXPR_VOID)
1553 {
1554 has_varconf = TRUE;
1555 atype = *ptype = duptype(*ptype, 0);
1556
1557 if (atype->type == RPC_FC_SMFARRAY)
1558 atype->type = RPC_FC_SMVARRAY;
1559 else if (atype->type == RPC_FC_LGFARRAY)
1560 atype->type = RPC_FC_LGVARRAY;
1561 else if (atype->type == RPC_FC_CARRAY)
1562 atype->type = RPC_FC_CVARRAY;
1563 else
1564 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1565
1566 atype->length_is = dim;
1567 }
1568
1569 ptype = &(*ptype)->ref;
1570 if (*ptype == NULL)
1571 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1572 }
1573
1574 if (has_varconf && !last_array(v->type))
1575 {
1576 ptype = &v->type;
1577 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1578 {
1579 *ptype = duptype(*ptype, 0);
1580 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1581 }
1582 }
1583
1584 if (is_array(v->type))
1585 {
1586 const type_t *rt = v->type->ref;
1587 if (is_user_type(rt))
1588 v->type->type = RPC_FC_BOGUS_ARRAY;
1589 else
1590 switch (rt->type)
1591 {
1592 case RPC_FC_BOGUS_STRUCT:
1593 case RPC_FC_NON_ENCAPSULATED_UNION:
1594 case RPC_FC_ENCAPSULATED_UNION:
1595 case RPC_FC_ENUM16:
1596 v->type->type = RPC_FC_BOGUS_ARRAY;
1597 break;
1598 /* FC_RP should be above, but widl overuses these, and will break things. */
1599 case RPC_FC_UP:
1600 case RPC_FC_RP:
1601 if (rt->ref->type == RPC_FC_IP)
1602 v->type->type = RPC_FC_BOGUS_ARRAY;
1603 break;
1604 }
1605 }
1606
1607 /* v->type is currently pointing to the type on the left-side of the
1608 * declaration, so we need to fix this up so that it is the return type of the
1609 * function and make v->type point to the function side of the declaration */
1610 if (func_type)
1611 {
1612 type_t *ft, *t;
1613 type_t *return_type = v->type;
1614 v->type = func_type;
1615 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1616 ;
1617 assert(ft->type == RPC_FC_FUNCTION);
1618 ft->ref = return_type;
1619 /* move calling convention attribute, if present, from pointer nodes to
1620 * function node */
1621 for (t = v->type; is_ptr(t); t = t->ref)
1622 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1623 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1624 {
1625 static char *stdmethodcalltype;
1626 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1627 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1628 }
1629 }
1630 else
1631 {
1632 type_t *t;
1633 for (t = v->type; is_ptr(t); t = t->ref)
1634 if (is_attr(t->attrs, ATTR_CALLCONV))
1635 error_loc("calling convention applied to non-function-pointer type\n");
1636 }
1637 }
1638
1639 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1640 {
1641 declarator_t *decl, *next;
1642 var_list_t *var_list = NULL;
1643
1644 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1645 {
1646 var_t *var = decl->var;
1647
1648 var->attrs = attrs;
1649 set_type(var, decl_spec, decl, 0);
1650 var_list = append_var(var_list, var);
1651 free(decl);
1652 }
1653 return var_list;
1654 }
1655
1656 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1657 {
1658 if (!iface) return list;
1659 if (!list)
1660 {
1661 list = xmalloc( sizeof(*list) );
1662 list_init( list );
1663 }
1664 list_add_tail( list, &iface->entry );
1665 return list;
1666 }
1667
1668 static ifref_t *make_ifref(type_t *iface)
1669 {
1670 ifref_t *l = xmalloc(sizeof(ifref_t));
1671 l->iface = iface;
1672 l->attrs = NULL;
1673 return l;
1674 }
1675
1676 static var_list_t *append_var(var_list_t *list, var_t *var)
1677 {
1678 if (!var) return list;
1679 if (!list)
1680 {
1681 list = xmalloc( sizeof(*list) );
1682 list_init( list );
1683 }
1684 list_add_tail( list, &var->entry );
1685 return list;
1686 }
1687
1688 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1689 {
1690 if (!vars) return list;
1691 if (!list)
1692 {
1693 list = xmalloc( sizeof(*list) );
1694 list_init( list );
1695 }
1696 list_move_tail( list, vars );
1697 return list;
1698 }
1699
1700 static var_t *make_var(char *name)
1701 {
1702 var_t *v = xmalloc(sizeof(var_t));
1703 v->name = name;
1704 v->type = NULL;
1705 v->attrs = NULL;
1706 v->eval = NULL;
1707 v->stgclass = STG_NONE;
1708 init_loc_info(&v->loc_info);
1709 return v;
1710 }
1711
1712 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1713 {
1714 if (!d) return list;
1715 if (!list) {
1716 list = xmalloc(sizeof(*list));
1717 list_init(list);
1718 }
1719 list_add_tail(list, &d->entry);
1720 return list;
1721 }
1722
1723 static declarator_t *make_declarator(var_t *var)
1724 {
1725 declarator_t *d = xmalloc(sizeof(*d));
1726 d->var = var;
1727 d->type = NULL;
1728 d->func_type = NULL;
1729 d->array = NULL;
1730 return d;
1731 }
1732
1733 static func_list_t *append_func(func_list_t *list, func_t *func)
1734 {
1735 if (!func) return list;
1736 if (!list)
1737 {
1738 list = xmalloc( sizeof(*list) );
1739 list_init( list );
1740 }
1741 list_add_tail( list, &func->entry );
1742 return list;
1743 }
1744
1745 static func_t *make_func(var_t *def)
1746 {
1747 func_t *f = xmalloc(sizeof(func_t));
1748 f->def = def;
1749 f->args = def->type->fields_or_args;
1750 f->ignore = parse_only;
1751 f->idx = -1;
1752 return f;
1753 }
1754
1755 static type_t *make_class(char *name)
1756 {
1757 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1758 c->name = name;
1759 c->kind = TKIND_COCLASS;
1760 return c;
1761 }
1762
1763 static type_t *make_safearray(type_t *type)
1764 {
1765 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1766 sa->ref = type;
1767 return make_type(pointer_default, sa);
1768 }
1769
1770 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1771 {
1772 typelib_t *typelib = xmalloc(sizeof(*typelib));
1773 typelib->name = xstrdup(name);
1774 typelib->filename = NULL;
1775 typelib->attrs = attrs;
1776 list_init( &typelib->entries );
1777 list_init( &typelib->importlibs );
1778 return typelib;
1779 }
1780
1781 #define HASHMAX 64
1782
1783 static int hash_ident(const char *name)
1784 {
1785 const char *p = name;
1786 int sum = 0;
1787 /* a simple sum hash is probably good enough */
1788 while (*p) {
1789 sum += *p;
1790 p++;
1791 }
1792 return sum & (HASHMAX-1);
1793 }
1794
1795 /***** type repository *****/
1796
1797 struct rtype {
1798 const char *name;
1799 type_t *type;
1800 int t;
1801 struct rtype *next;
1802 };
1803
1804 struct rtype *type_hash[HASHMAX];
1805
1806 static type_t *reg_type(type_t *type, const char *name, int t)
1807 {
1808 struct rtype *nt;
1809 int hash;
1810 if (!name) {
1811 error_loc("registering named type without name\n");
1812 return type;
1813 }
1814 hash = hash_ident(name);
1815 nt = xmalloc(sizeof(struct rtype));
1816 nt->name = name;
1817 nt->type = type;
1818 nt->t = t;
1819 nt->next = type_hash[hash];
1820 type_hash[hash] = nt;
1821 return type;
1822 }
1823
1824 static int is_incomplete(const type_t *t)
1825 {
1826 return !t->defined && (is_struct(t->type) || is_union(t->type));
1827 }
1828
1829 static void add_incomplete(type_t *t)
1830 {
1831 struct typenode *tn = xmalloc(sizeof *tn);
1832 tn->type = t;
1833 list_add_tail(&incomplete_types, &tn->entry);
1834 }
1835
1836 static void fix_type(type_t *t)
1837 {
1838 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1839 type_t *ot = t->orig;
1840 fix_type(ot);
1841 t->fields_or_args = ot->fields_or_args;
1842 t->defined = ot->defined;
1843 }
1844 }
1845
1846 static void fix_incomplete(void)
1847 {
1848 struct typenode *tn, *next;
1849
1850 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1851 fix_type(tn->type);
1852 free(tn);
1853 }
1854 }
1855
1856 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1857 {
1858 const declarator_t *decl;
1859 int is_str = is_attr(attrs, ATTR_STRING);
1860 type_t *type = decl_spec->type;
1861
1862 if (is_str)
1863 {
1864 type_t *t = decl_spec->type;
1865 unsigned char c;
1866
1867 while (is_ptr(t))
1868 t = t->ref;
1869
1870 c = t->type;
1871 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1872 {
1873 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1874 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1875 decl->var->name);
1876 }
1877 }
1878
1879 /* We must generate names for tagless enum, struct or union.
1880 Typedef-ing a tagless enum, struct or union means we want the typedef
1881 to be included in a library hence the public attribute. */
1882 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1883 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1884 {
1885 if (! is_attr(attrs, ATTR_PUBLIC))
1886 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1887 type->name = gen_name();
1888 }
1889 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1890 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1891
1892 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1893 {
1894 var_t *name = decl->var;
1895
1896 if (name->name) {
1897 type_t *cur;
1898
1899 cur = find_type(name->name, 0);
1900 if (cur)
1901 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1902 cur->name, cur->loc_info.input_name,
1903 cur->loc_info.line_number);
1904
1905 /* set the attributes to allow set_type to do some checks on them */
1906 name->attrs = attrs;
1907 set_type(name, decl_spec, decl, 0);
1908 cur = alias(name->type, name->name);
1909 cur->attrs = attrs;
1910
1911 if (is_incomplete(cur))
1912 add_incomplete(cur);
1913 reg_type(cur, cur->name, 0);
1914 }
1915 }
1916 return type;
1917 }
1918
1919 type_t *find_type(const char *name, int t)
1920 {
1921 struct rtype *cur = type_hash[hash_ident(name)];
1922 while (cur && (cur->t != t || strcmp(cur->name, name)))
1923 cur = cur->next;
1924 return cur ? cur->type : NULL;
1925 }
1926
1927 static type_t *find_type_or_error(const char *name, int t)
1928 {
1929 type_t *type = find_type(name, t);
1930 if (!type) {
1931 error_loc("type '%s' not found\n", name);
1932 return NULL;
1933 }
1934 return type;
1935 }
1936
1937 static type_t *find_type_or_error2(char *name, int t)
1938 {
1939 type_t *tp = find_type_or_error(name, t);
1940 free(name);
1941 return tp;
1942 }
1943
1944 int is_type(const char *name)
1945 {
1946 return find_type(name, 0) != NULL;
1947 }
1948
1949 static type_t *get_type(unsigned char type, char *name, int t)
1950 {
1951 type_t *tp;
1952 if (name) {
1953 tp = find_type(name, t);
1954 if (tp) {
1955 free(name);
1956 return tp;
1957 }
1958 }
1959 tp = make_type(type, NULL);
1960 tp->name = name;
1961 if (!name) return tp;
1962 return reg_type(tp, name, t);
1963 }
1964
1965 static type_t *get_typev(unsigned char type, var_t *name, int t)
1966 {
1967 char *sname = NULL;
1968 if (name) {
1969 sname = name->name;
1970 free(name);
1971 }
1972 return get_type(type, sname, t);
1973 }
1974
1975 static int get_struct_type(var_list_t *fields)
1976 {
1977 int has_pointer = 0;
1978 int has_conformance = 0;
1979 int has_variance = 0;
1980 var_t *field;
1981
1982 if (get_padding(fields))
1983 return RPC_FC_BOGUS_STRUCT;
1984
1985 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1986 {
1987 type_t *t = field->type;
1988
1989 if (is_user_type(t))
1990 return RPC_FC_BOGUS_STRUCT;
1991
1992 if (is_ptr(t))
1993 {
1994 do
1995 t = t->ref;
1996 while (is_ptr(t));
1997
1998 switch (t->type)
1999 {
2000 case RPC_FC_IP:
2001 case RPC_FC_ENCAPSULATED_UNION:
2002 case RPC_FC_NON_ENCAPSULATED_UNION:
2003 case RPC_FC_BOGUS_STRUCT:
2004 return RPC_FC_BOGUS_STRUCT;
2005 }
2006
2007 has_pointer = 1;
2008 continue;
2009 }
2010
2011 if (field->type->declarray)
2012 {
2013 if (is_string_type(field->attrs, field->type))
2014 {
2015 if (is_conformant_array(field->type))
2016 has_conformance = 1;
2017 has_variance = 1;
2018 continue;
2019 }
2020
2021 if (is_array(field->type->ref))
2022 return RPC_FC_BOGUS_STRUCT;
2023
2024 if (is_conformant_array(field->type))
2025 {
2026 has_conformance = 1;
2027 if (field->type->declarray && list_next(fields, &field->entry))
2028 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2029 field->name);
2030 }
2031 if (field->type->length_is)
2032 has_variance = 1;
2033
2034 t = field->type->ref;
2035 }
2036
2037 switch (t->type)
2038 {
2039 /*
2040 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
2041 * Simple types don't effect the type of struct.
2042 * A struct containing a simple struct is still a simple struct.
2043 * So long as we can block copy the data, we return RPC_FC_STRUCT.
2044 */
2045 case 0: /* void pointer */
2046 case RPC_FC_BYTE:
2047 case RPC_FC_CHAR:
2048 case RPC_FC_SMALL:
2049 case RPC_FC_USMALL:
2050 case RPC_FC_WCHAR:
2051 case RPC_FC_SHORT:
2052 case RPC_FC_USHORT:
2053 case RPC_FC_LONG:
2054 case RPC_FC_ULONG:
2055 case RPC_FC_INT3264:
2056 case RPC_FC_UINT3264:
2057 case RPC_FC_HYPER:
2058 case RPC_FC_FLOAT:
2059 case RPC_FC_DOUBLE:
2060 case RPC_FC_STRUCT:
2061 case RPC_FC_ENUM32:
2062 break;
2063
2064 case RPC_FC_RP:
2065 case RPC_FC_UP:
2066 case RPC_FC_FP:
2067 case RPC_FC_OP:
2068 case RPC_FC_CARRAY:
2069 case RPC_FC_CVARRAY:
2070 case RPC_FC_BOGUS_ARRAY:
2071 has_pointer = 1;
2072 break;
2073
2074 /*
2075 * Propagate member attributes
2076 * a struct should be at least as complex as its member
2077 */
2078 case RPC_FC_CVSTRUCT:
2079 has_conformance = 1;
2080 has_variance = 1;
2081 has_pointer = 1;
2082 break;
2083
2084 case RPC_FC_CPSTRUCT:
2085 has_conformance = 1;
2086 if (list_next( fields, &field->entry ))
2087 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2088 field->name);
2089 has_pointer = 1;
2090 break;
2091
2092 case RPC_FC_CSTRUCT:
2093 has_conformance = 1;
2094 if (list_next( fields, &field->entry ))
2095 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2096 field->name);
2097 break;
2098
2099 case RPC_FC_PSTRUCT:
2100 has_pointer = 1;
2101 break;
2102
2103 default:
2104 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2105 /* fallthru - treat it as complex */
2106
2107 /* as soon as we see one of these these members, it's bogus... */
2108 case RPC_FC_ENCAPSULATED_UNION:
2109 case RPC_FC_NON_ENCAPSULATED_UNION:
2110 case RPC_FC_BOGUS_STRUCT:
2111 case RPC_FC_ENUM16:
2112 return RPC_FC_BOGUS_STRUCT;
2113 }
2114 }
2115
2116 if( has_variance )
2117 {
2118 if ( has_conformance )
2119 return RPC_FC_CVSTRUCT;
2120 else
2121 return RPC_FC_BOGUS_STRUCT;
2122 }
2123 if( has_conformance && has_pointer )
2124 return RPC_FC_CPSTRUCT;
2125 if( has_conformance )
2126 return RPC_FC_CSTRUCT;
2127 if( has_pointer )
2128 return RPC_FC_PSTRUCT;
2129 return RPC_FC_STRUCT;
2130 }
2131
2132 /***** constant repository *****/
2133
2134 struct rconst {
2135 char *name;
2136 var_t *var;
2137 struct rconst *next;
2138 };
2139
2140 struct rconst *const_hash[HASHMAX];
2141
2142 static var_t *reg_const(var_t *var)
2143 {
2144 struct rconst *nc;
2145 int hash;
2146 if (!var->name) {
2147 error_loc("registering constant without name\n");
2148 return var;
2149 }
2150 hash = hash_ident(var->name);
2151 nc = xmalloc(sizeof(struct rconst));
2152 nc->name = var->name;
2153 nc->var = var;
2154 nc->next = const_hash[hash];
2155 const_hash[hash] = nc;
2156 return var;
2157 }
2158
2159 var_t *find_const(const char *name, int f)
2160 {
2161 struct rconst *cur = const_hash[hash_ident(name)];
2162 while (cur && strcmp(cur->name, name))
2163 cur = cur->next;
2164 if (!cur) {
2165 if (f) error_loc("constant '%s' not found\n", name);
2166 return NULL;
2167 }
2168 return cur->var;
2169 }
2170
2171 static void write_libid(const typelib_t *typelib)
2172 {
2173 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2174 write_guid(idfile, "LIBID", typelib->name, uuid);
2175 }
2176
2177 static void write_clsid(type_t *cls)
2178 {
2179 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2180 write_guid(idfile, "CLSID", cls->name, uuid);
2181 }
2182
2183 static void write_diid(type_t *iface)
2184 {
2185 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2186 write_guid(idfile, "DIID", iface->name, uuid);
2187 }
2188
2189 static void write_iid(type_t *iface)
2190 {
2191 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2192 write_guid(idfile, "IID", iface->name, uuid);
2193 }
2194
2195 static int compute_method_indexes(type_t *iface)
2196 {
2197 int idx;
2198 func_t *f;
2199
2200 if (iface->ref)
2201 idx = compute_method_indexes(iface->ref);
2202 else
2203 idx = 0;
2204
2205 if (!iface->funcs)
2206 return idx;
2207
2208 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2209 if (! is_callas(f->def->attrs))
2210 f->idx = idx++;
2211
2212 return idx;
2213 }
2214
2215 static char *gen_name(void)
2216 {
2217 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2218 static unsigned long n = 0;
2219 static const char *file_id;
2220 static size_t size;
2221 char *name;
2222
2223 if (! file_id)
2224 {
2225 char *dst = dup_basename(input_name, ".idl");
2226 file_id = dst;
2227
2228 for (; *dst; ++dst)
2229 if (! isalnum((unsigned char) *dst))
2230 *dst = '_';
2231
2232 size = sizeof format - 7 + strlen(file_id) + 8;
2233 }
2234
2235 name = xmalloc(size);
2236 sprintf(name, format, file_id, n++);
2237 return name;
2238 }
2239
2240 struct allowed_attr
2241 {
2242 unsigned int dce_compatible : 1;
2243 unsigned int acf : 1;
2244 unsigned int on_interface : 1;
2245 unsigned int on_function : 1;
2246 unsigned int on_arg : 1;
2247 unsigned int on_type : 1;
2248 unsigned int on_field : 1;
2249 unsigned int on_library : 1;
2250 unsigned int on_dispinterface : 1;
2251 unsigned int on_module : 1;
2252 unsigned int on_coclass : 1;
2253 const char *display_name;
2254 };
2255
2256 struct allowed_attr allowed_attr[] =
2257 {
2258 /* attr { D ACF I Fn ARG T Fi L DI M C <display name> } */
2259 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2260 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2261 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, "async" },
2262 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2263 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2264 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2265 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2266 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, NULL },
2267 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2268 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2269 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "context_handle" },
2270 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2271 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2272 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2273 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2274 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2275 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2276 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2277 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2278 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2279 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2280 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "entry" },
2281 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2282 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "handle" },
2283 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpcontext" },
2284 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2285 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstring" },
2286 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstringcontext" },
2287 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2288 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2289 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, "id" },
2290 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2291 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "iid_is" },
2292 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2293 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2294 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "in" },
2295 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2296 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2297 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "length_is" },
2298 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2299 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "local" },
2300 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2301 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2302 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2303 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2304 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2305 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2306 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "optional" },
2307 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "out" },
2308 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2309 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2310 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propget" },
2311 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propput" },
2312 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2313 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "public" },
2314 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "range" },
2315 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "readonly" },
2316 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2317 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, "restricted" },
2318 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "retval" },
2319 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "size_is" },
2320 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, "source" },
2321 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2322 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, "string" },
2323 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "switch_is" },
2324 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, "switch_type" },
2325 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "transmit_as" },
2326 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, "uuid" },
2327 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "v1_enum" },
2328 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2329 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2330 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "wire_marshal" },
2331 };
2332
2333 const char *get_attr_display_name(enum attr_type type)
2334 {
2335 return allowed_attr[type].display_name;
2336 }
2337
2338 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2339 {
2340 const attr_t *attr;
2341 if (!attrs) return attrs;
2342 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2343 {
2344 if (!allowed_attr[attr->type].on_interface)
2345 error_loc("inapplicable attribute %s for interface %s\n",
2346 allowed_attr[attr->type].display_name, name);
2347 }
2348 return attrs;
2349 }
2350
2351 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2352 {
2353 const attr_t *attr;
2354 if (!attrs) return attrs;
2355 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2356 {
2357 if (!allowed_attr[attr->type].on_function)
2358 error_loc("inapplicable attribute %s for function %s\n",
2359 allowed_attr[attr->type].display_name, name);
2360 }
2361 return attrs;
2362 }
2363
2364 static void check_arg(var_t *arg)
2365 {
2366 const type_t *t = arg->type;
2367 const attr_t *attr;
2368
2369 if (t->type == 0 && ! is_var_ptr(arg))
2370 error_loc("argument '%s' has void type\n", arg->name);
2371
2372 if (arg->attrs)
2373 {
2374 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2375 {
2376 if (!allowed_attr[attr->type].on_arg)
2377 error_loc("inapplicable attribute %s for argument %s\n",
2378 allowed_attr[attr->type].display_name, arg->name);
2379 }
2380 }
2381 }
2382
2383 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2384 {
2385 const attr_t *attr;
2386 if (!attrs) return attrs;
2387 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2388 {
2389 if (!allowed_attr[attr->type].on_type)
2390 error_loc("inapplicable attribute %s for typedef\n",
2391 allowed_attr[attr->type].display_name);
2392 }
2393 return attrs;
2394 }
2395
2396 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2397 {
2398 const attr_t *attr;
2399 if (!attrs) return attrs;
2400 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2401 {
2402 if (!allowed_attr[attr->type].on_field)
2403 error_loc("inapplicable attribute %s for field %s\n",
2404 allowed_attr[attr->type].display_name, name);
2405 }
2406 return attrs;
2407 }
2408
2409 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2410 {
2411 const attr_t *attr;
2412 if (!attrs) return attrs;
2413 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2414 {
2415 if (!allowed_attr[attr->type].on_library)
2416 error_loc("inapplicable attribute %s for library %s\n",
2417 allowed_attr[attr->type].display_name, name);
2418 }
2419 return attrs;
2420 }
2421
2422 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2423 {
2424 const attr_t *attr;
2425 if (!attrs) return attrs;
2426 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2427 {
2428 if (!allowed_attr[attr->type].on_dispinterface)
2429 error_loc("inapplicable attribute %s for dispinterface %s\n",
2430 allowed_attr[attr->type].display_name, name);
2431 }
2432 return attrs;
2433 }
2434
2435 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2436 {
2437 const attr_t *attr;
2438 if (!attrs) return attrs;
2439 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2440 {
2441 if (!allowed_attr[attr->type].on_module)
2442 error_loc("inapplicable attribute %s for module %s\n",
2443 allowed_attr[attr->type].display_name, name);
2444 }
2445 return attrs;
2446 }
2447
2448 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2449 {
2450 const attr_t *attr;
2451 if (!attrs) return attrs;
2452 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2453 {
2454 if (!allowed_attr[attr->type].on_coclass)
2455 error_loc("inapplicable attribute %s for coclass %s\n",
2456 allowed_attr[attr->type].display_name, name);
2457 }
2458 return attrs;
2459 }
2460
2461 static int is_allowed_conf_type(const type_t *type)
2462 {
2463 switch (type->type)
2464 {
2465 case RPC_FC_CHAR:
2466 case RPC_FC_SMALL:
2467 case RPC_FC_BYTE:
2468 case RPC_FC_USMALL:
2469 case RPC_FC_WCHAR:
2470 case RPC_FC_SHORT:
2471 case RPC_FC_ENUM16:
2472 case RPC_FC_USHORT:
2473 case RPC_FC_LONG:
2474 case RPC_FC_ENUM32:
2475 case RPC_FC_ULONG:
2476 return TRUE;
2477 default:
2478 return FALSE;
2479 }
2480 }
2481
2482 static int is_ptr_guid_type(const type_t *type)
2483 {
2484 unsigned int align = 0;
2485 for (;;)
2486 {
2487 if (type->kind == TKIND_ALIAS)
2488 type = type->orig;
2489 else if (is_ptr(type))
2490 {
2491 type = type->ref;
2492 break;
2493 }
2494 else
2495 return FALSE;
2496 }
2497 return (type_memsize(type, &align) == 16);
2498 }
2499
2500 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2501 {
2502 expr_t *dim;
2503 struct expr_loc expr_loc;
2504 expr_loc.v = arg;
2505 expr_loc.attr = attr_name;
2506 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2507 {
2508 if (dim->type != EXPR_VOID)
2509 {
2510 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2511 if (!is_allowed_conf_type(expr_type))
2512 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2513 attr_name);
2514 }
2515 }
2516 }
2517
2518 static void check_remoting_fields(const var_t *var, type_t *type);
2519
2520 /* checks that properties common to fields and arguments are consistent */
2521 static void check_field_common(const type_t *container_type,
2522 const char *container_name, const var_t *arg)
2523 {
2524 type_t *type = arg->type;
2525 int is_wire_marshal = 0;
2526 int is_context_handle = 0;
2527 const char *container_type_name = NULL;
2528
2529 if (is_struct(container_type->type))
2530 container_type_name = "struct";
2531 else if (is_union(container_type->type))
2532 container_type_name = "union";
2533 else if (container_type->type == RPC_FC_FUNCTION)
2534 container_type_name = "function";
2535
2536 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2537 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2538 error_loc_info(&arg->loc_info,
2539 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2540 arg->name);
2541
2542 if (is_attr(arg->attrs, ATTR_SIZEIS))
2543 {
2544 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2545 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2546 }
2547 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2548 {
2549 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2550 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2551 }
2552 if (is_attr(arg->attrs, ATTR_IIDIS))
2553 {
2554 struct expr_loc expr_loc;
2555 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2556 if (expr->type != EXPR_VOID)
2557 {
2558 const type_t *expr_type;
2559 expr_loc.v = arg;
2560 expr_loc.attr = "iid_is";
2561 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2562 if (!expr_type || !is_ptr_guid_type(expr_type))
2563 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2564 }
2565 }
2566 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2567 {
2568 struct expr_loc expr_loc;
2569 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2570 if (expr->type != EXPR_VOID)
2571 {
2572 const type_t *expr_type;
2573 expr_loc.v = arg;
2574 expr_loc.attr = "switch_is";
2575 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2576 if (!expr_type || !is_allowed_conf_type(expr_type))
2577 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2578 expr_loc.attr);
2579 }
2580 }
2581
2582 /* get fundamental type for the argument */
2583 for (;;)
2584 {
2585 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2586 {
2587 is_wire_marshal = 1;
2588 break;
2589 }
2590 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2591 {
2592 is_context_handle = 1;
2593 break;
2594 }
2595 if (type->kind == TKIND_ALIAS)
2596 type = type->orig;
2597 else if (is_ptr(type) || is_array(type))
2598 type = type->ref;
2599 else
2600 break;
2601 }
2602
2603 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2604 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2605 else if (type->type == RPC_FC_FUNCTION)
2606 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2607 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2608 check_remoting_fields(arg, type);
2609 }
2610
2611 static void check_remoting_fields(const var_t *var, type_t *type)
2612 {
2613 const var_t *field;
2614 const var_list_t *fields = NULL;
2615
2616 if (type->checked)
2617 return;
2618
2619 type->checked = TRUE;
2620
2621 if (is_struct(type->type))
2622 {
2623 if (type->defined)
2624 fields = type->fields_or_args;
2625 else
2626 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2627 }
2628 else if (is_union(type->type))
2629 {
2630 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2631 {
2632 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2633 fields = uv->type->fields_or_args;
2634 }
2635 else
2636 fields = type->fields_or_args;
2637 }
2638
2639 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2640 if (field->type) check_field_common(type, type->name, field);
2641 }
2642
2643 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2644 static void check_remoting_args(const func_t *func)
2645 {
2646 const char *funcname = func->def->name;
2647 const var_t *arg;
2648
2649 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2650 {
2651 int ptr_level = 0;
2652 const type_t *type = arg->type;
2653
2654 /* get pointer level and fundamental type for the argument */
2655 for (;;)
2656 {
2657 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2658 break;
2659 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2660 break;
2661 if (type->kind == TKIND_ALIAS)
2662 type = type->orig;
2663 else if (is_ptr(type))
2664 {
2665 ptr_level++;
2666 type = type->ref;
2667 }
2668 else
2669 break;
2670 }
2671
2672 /* check that [out] parameters have enough pointer levels */
2673 if (is_attr(arg->attrs, ATTR_OUT))
2674 {
2675 if (!is_array(type))
2676 {
2677 if (!ptr_level)
2678 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2679 if (type->type == RPC_FC_IP && ptr_level == 1)
2680 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2681 }
2682 }
2683
2684 check_field_common(func->def->type, funcname, arg);
2685 }
2686 }
2687
2688 static void add_explicit_handle_if_necessary(func_t *func)
2689 {
2690 const var_t* explicit_handle_var;
2691 const var_t* explicit_generic_handle_var = NULL;
2692 const var_t* context_handle_var = NULL;
2693
2694 /* check for a defined binding handle */
2695 explicit_handle_var = get_explicit_handle_var(func);
2696 if (!explicit_handle_var)
2697 {
2698 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2699 if (!explicit_generic_handle_var)
2700 {
2701 context_handle_var = get_context_handle_var(func);
2702 if (!context_handle_var)
2703 {
2704 /* no explicit handle specified so add
2705 * "[in] handle_t IDL_handle" as the first parameter to the
2706 * function */
2707 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2708 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2709 idl_handle->type = find_type_or_error("handle_t", 0);
2710 if (!func->def->type->fields_or_args)
2711 {
2712 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2713 list_init( func->def->type->fields_or_args );
2714 }
2715 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2716 func->args = func->def->type->fields_or_args;
2717 }
2718 }
2719 }
2720 }
2721
2722 static void check_functions(const type_t *iface)
2723 {
2724 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2725 {
2726 func_t *func;
2727 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2728 add_explicit_handle_if_necessary(func);
2729 }
2730 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2731 {
2732 const func_t *func;
2733 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2734 {
2735 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2736 check_remoting_args(func);
2737 }
2738 }
2739 }
2740
2741 static void check_all_user_types(const statement_list_t *stmts)
2742 {
2743 const statement_t *stmt;
2744
2745 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2746 {
2747 if (stmt->type == STMT_LIBRARY)
2748 check_all_user_types(stmt->u.lib->stmts);
2749 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2750 {
2751 const func_t *f;
2752 const func_list_t *fs = stmt->u.type->funcs;
2753 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2754 check_for_additional_prototype_types(f->args);
2755 }
2756 }
2757 }
2758
2759 int is_valid_uuid(const char *s)
2760 {
2761 int i;
2762
2763 for (i = 0; i < 36; ++i)
2764 if (i == 8 || i == 13 || i == 18 || i == 23)
2765 {
2766 if (s[i] != '-')
2767 return FALSE;
2768 }
2769 else
2770 if (!isxdigit(s[i]))
2771 return FALSE;
2772
2773 return s[i] == '\0';
2774 }
2775
2776 static statement_t *make_statement(enum statement_type type)
2777 {
2778 statement_t *stmt = xmalloc(sizeof(*stmt));
2779 stmt->type = type;
2780 return stmt;
2781 }
2782
2783 static statement_t *make_statement_type_decl(type_t *type)
2784 {
2785 statement_t *stmt = make_statement(STMT_TYPE);
2786 stmt->u.type = type;
2787 return stmt;
2788 }
2789
2790 static statement_t *make_statement_reference(type_t *type)
2791 {
2792 statement_t *stmt = make_statement(STMT_TYPEREF);
2793 stmt->u.type = type;
2794 return stmt;
2795 }
2796
2797 static statement_t *make_statement_declaration(var_t *var)
2798 {
2799 statement_t *stmt = make_statement(STMT_DECLARATION);
2800 stmt->u.var = var;
2801 if (var->stgclass == STG_EXTERN && var->eval)
2802 warning("'%s' initialised and declared extern\n", var->name);
2803 if (is_const_decl(var))
2804 {
2805 if (var->eval)
2806 reg_const(var);
2807 }
2808 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2809 var->type->type != RPC_FC_FUNCTION)
2810 error_loc("instantiation of data is illegal\n");
2811 return stmt;
2812 }
2813
2814 static statement_t *make_statement_library(typelib_t *typelib)
2815 {
2816 statement_t *stmt = make_statement(STMT_LIBRARY);
2817 stmt->u.lib = typelib;
2818 return stmt;
2819 }
2820
2821 static statement_t *make_statement_cppquote(const char *str)
2822 {
2823 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2824 stmt->u.str = str;
2825 return stmt;
2826 }
2827
2828 static statement_t *make_statement_importlib(const char *str)
2829 {
2830 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2831 stmt->u.str = str;
2832 return stmt;
2833 }
2834
2835 static statement_t *make_statement_import(const char *str)
2836 {
2837 statement_t *stmt = make_statement(STMT_IMPORT);
2838 stmt->u.str = str;
2839 return stmt;
2840 }
2841
2842 static statement_t *make_statement_module(type_t *type)
2843 {
2844 statement_t *stmt = make_statement(STMT_MODULE);
2845 stmt->u.type = type;
2846 return stmt;
2847 }
2848
2849 static statement_t *process_typedefs(declarator_list_t *decls)
2850 {
2851 declarator_t *decl, *next;
2852 statement_t *stmt;
2853 type_list_t **type_list;
2854
2855 if (!decls) return NULL;
2856
2857 stmt = make_statement(STMT_TYPEDEF);
2858 stmt->u.type_list = NULL;
2859 type_list = &stmt->u.type_list;
2860
2861 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2862 {
2863 var_t *var = decl->var;
2864 type_t *type = find_type_or_error(var->name, 0);
2865 *type_list = xmalloc(sizeof(type_list_t));
2866 (*type_list)->type = type;
2867 (*type_list)->next = NULL;
2868
2869 if (! parse_only && do_header)
2870 write_typedef(type);
2871 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2872 add_typelib_entry(type);
2873
2874 type_list = &(*type_list)->next;
2875 free(decl);
2876 free(var);
2877 }
2878
2879 return stmt;
2880 }
2881
2882 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2883 {
2884 if (!stmt) return list;
2885 if (!list)
2886 {
2887 list = xmalloc( sizeof(*list) );
2888 list_init( list );
2889 }
2890 list_add_tail( list, &stmt->entry );
2891 return list;
2892 }
2893
2894 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2895 {
2896 if (stmt->type == STMT_DECLARATION)
2897 {
2898 var_t *var = stmt->u.var;
2899 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2900 {
2901 check_function_attrs(var->name, var->type->attrs);
2902 return append_func(list, make_func(stmt->u.var));
2903 }
2904 }
2905 return list;
2906 }
2907
2908 void init_loc_info(loc_info_t *i)
2909 {
2910 i->input_name = input_name ? input_name : "stdin";
2911 i->line_number = line_number;
2912 i->near_text = parser_text;
2913 }
2914
2915 static void check_def(const type_t *t)
2916 {
2917 if (t->defined)
2918 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2919 t->name, t->loc_info.input_name, t->loc_info.line_number);
2920 }
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