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widl: Add support for generating 32-bit and/or 64-bit code for proxies/clients/servers.
[wine/wine64.git] / tools / widl / parser.y
blob4d44e2ce0b9e621149ba4c502b12a8214f83bd55
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
136 static var_t *reg_const(var_t *var);
137
138 static void write_libid(const typelib_t *typelib);
139 static void write_clsid(type_t *cls);
140 static void write_diid(type_t *iface);
141 static void write_iid(type_t *iface);
142
143 static int compute_method_indexes(type_t *iface);
144 static char *gen_name(void);
145 static statement_t *process_typedefs(var_list_t *names);
146 static void check_arg(var_t *arg);
147 static void check_functions(const type_t *iface);
148 static void check_all_user_types(const statement_list_t *stmts);
149 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
150 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
151 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
152 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
153 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
154 static attr_list_t *check_union_attrs(attr_list_t *attrs);
155 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
156 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
157 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
158 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
159 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
160 const char *get_attr_display_name(enum attr_type type);
161 static void add_explicit_handle_if_necessary(func_t *func);
162 static void check_def(const type_t *t);
163
164 static statement_t *make_statement(enum statement_type type);
165 static statement_t *make_statement_type_decl(type_t *type);
166 static statement_t *make_statement_reference(type_t *type);
167 static statement_t *make_statement_declaration(var_t *var);
168 static statement_t *make_statement_library(typelib_t *typelib);
169 static statement_t *make_statement_cppquote(const char *str);
170 static statement_t *make_statement_importlib(const char *str);
171 static statement_t *make_statement_module(type_t *type);
172 static statement_t *make_statement_import(const char *str);
173 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
174 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt);
175
176 #define tsENUM 1
177 #define tsSTRUCT 2
178 #define tsUNION 3
179
180 %}
181 %union {
182 attr_t *attr;
183 attr_list_t *attr_list;
184 str_list_t *str_list;
185 expr_t *expr;
186 expr_list_t *expr_list;
187 array_dims_t *array_dims;
188 type_t *type;
189 var_t *var;
190 var_list_t *var_list;
191 declarator_t *declarator;
192 declarator_list_t *declarator_list;
193 func_t *func;
194 func_list_t *func_list;
195 statement_t *statement;
196 statement_list_t *stmt_list;
197 ifref_t *ifref;
198 ifref_list_t *ifref_list;
199 char *str;
200 UUID *uuid;
201 unsigned int num;
202 double dbl;
203 interface_info_t ifinfo;
204 typelib_t *typelib;
205 struct _import_t *import;
206 struct _decl_spec_t *declspec;
207 enum storage_class stgclass;
208 }
209
210 %token <str> aIDENTIFIER
211 %token <str> aKNOWNTYPE
212 %token <num> aNUM aHEXNUM
213 %token <dbl> aDOUBLE
214 %token <str> aSTRING aWSTRING
215 %token <uuid> aUUID
216 %token aEOF
217 %token SHL SHR
218 %token MEMBERPTR
219 %token EQUALITY INEQUALITY
220 %token GREATEREQUAL LESSEQUAL
221 %token LOGICALOR LOGICALAND
222 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
223 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
224 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
225 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
226 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
227 %token tDEFAULT
228 %token tDEFAULTCOLLELEM
229 %token tDEFAULTVALUE
230 %token tDEFAULTVTABLE
231 %token tDISPLAYBIND
232 %token tDISPINTERFACE
233 %token tDLLNAME tDOUBLE tDUAL
234 %token tENDPOINT
235 %token tENTRY tENUM tERRORSTATUST
236 %token tEXPLICITHANDLE tEXTERN
237 %token tFALSE
238 %token tFASTCALL
239 %token tFLOAT
240 %token tHANDLE
241 %token tHANDLET
242 %token tHELPCONTEXT tHELPFILE
243 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
244 %token tHIDDEN
245 %token tHYPER tID tIDEMPOTENT
246 %token tIIDIS
247 %token tIMMEDIATEBIND
248 %token tIMPLICITHANDLE
249 %token tIMPORT tIMPORTLIB
250 %token tIN tIN_LINE tINLINE
251 %token tINPUTSYNC
252 %token tINT tINT64
253 %token tINTERFACE
254 %token tLCID
255 %token tLENGTHIS tLIBRARY
256 %token tLOCAL
257 %token tLONG
258 %token tMETHODS
259 %token tMODULE
260 %token tNONBROWSABLE
261 %token tNONCREATABLE
262 %token tNONEXTENSIBLE
263 %token tNULL
264 %token tOBJECT tODL tOLEAUTOMATION
265 %token tOPTIONAL
266 %token tOUT
267 %token tPASCAL
268 %token tPOINTERDEFAULT
269 %token tPROPERTIES
270 %token tPROPGET tPROPPUT tPROPPUTREF
271 %token tPTR
272 %token tPUBLIC
273 %token tRANGE
274 %token tREADONLY tREF
275 %token tREGISTER
276 %token tREQUESTEDIT
277 %token tRESTRICTED
278 %token tRETVAL
279 %token tSAFEARRAY
280 %token tSHORT
281 %token tSIGNED
282 %token tSINGLE
283 %token tSIZEIS tSIZEOF
284 %token tSMALL
285 %token tSOURCE
286 %token tSTATIC
287 %token tSTDCALL
288 %token tSTRICTCONTEXTHANDLE
289 %token tSTRING tSTRUCT
290 %token tSWITCH tSWITCHIS tSWITCHTYPE
291 %token tTRANSMITAS
292 %token tTRUE
293 %token tTYPEDEF
294 %token tUNION
295 %token tUNIQUE
296 %token tUNSIGNED
297 %token tUUID
298 %token tV1ENUM
299 %token tVARARG
300 %token tVERSION
301 %token tVOID
302 %token tWCHAR tWIREMARSHAL
303
304 %type <attr> attribute type_qualifier function_specifier
305 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
306 %type <str_list> str_list
307 %type <expr> m_expr expr expr_const expr_int_const array
308 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
309 %type <ifinfo> interfacehdr
310 %type <stgclass> storage_cls_spec
311 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
312 %type <type> inherit interface interfacedef interfacedec
313 %type <type> dispinterface dispinterfacehdr dispinterfacedef
314 %type <type> module modulehdr moduledef
315 %type <type> base_type int_std
316 %type <type> enumdef structdef uniondef typedecl
317 %type <type> type
318 %type <ifref> coclass_int
319 %type <ifref_list> coclass_ints
320 %type <var> arg ne_union_field union_field s_field case enum declaration
321 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
322 %type <var> m_ident t_ident ident
323 %type <declarator> declarator direct_declarator init_declarator
324 %type <declarator_list> declarator_list
325 %type <func> funcdef
326 %type <func_list> int_statements dispint_meths
327 %type <type> coclass coclasshdr coclassdef
328 %type <num> pointer_type version
329 %type <str> libraryhdr callconv cppquote importlib import
330 %type <uuid> uuid_string
331 %type <import> import_start
332 %type <typelib> library_start librarydef
333 %type <statement> statement typedef
334 %type <stmt_list> gbl_statements imp_statements
335
336 %left ','
337 %right '?' ':'
338 %left LOGICALOR
339 %left LOGICALAND
340 %left '|'
341 %left '^'
342 %left '&'
343 %left EQUALITY INEQUALITY
344 %left '<' '>' LESSEQUAL GREATEREQUAL
345 %left SHL SHR
346 %left '-' '+'
347 %left '*' '/' '%'
348 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
349 %left '.' MEMBERPTR '[' ']'
350
351 %%
352
353 input: gbl_statements { fix_incomplete();
354 check_all_user_types($1);
355 write_proxies($1);
356 write_client($1);
357 write_server($1);
358 write_dlldata($1);
359 }
360 ;
361
362 gbl_statements: { $$ = NULL; }
363 | gbl_statements interfacedec { $$ = $1; }
364 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
365 | gbl_statements coclass ';' { $$ = $1;
366 reg_type($2, $2->name, 0);
367 if (!parse_only && do_header) write_coclass_forward($2);
368 }
369 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
370 add_typelib_entry($2);
371 reg_type($2, $2->name, 0);
372 if (!parse_only && do_header) write_coclass_forward($2);
373 }
374 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
375 add_typelib_entry($2);
376 }
377 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
378 | gbl_statements statement { $$ = append_statement($1, $2); }
379 ;
380
381 imp_statements: { $$ = NULL; }
382 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
383 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
384 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
385 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
386 if (!parse_only) add_typelib_entry($2);
387 reg_type($2, $2->name, 0);
388 if (!parse_only && do_header) write_coclass_forward($2);
389 }
390 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
391 | imp_statements statement { $$ = append_statement($1, $2); }
392 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
393 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
394 ;
395
396 int_statements: { $$ = NULL; }
397 | int_statements statement { $$ = append_func_from_statement( $1, $2 ); }
398 ;
399
400 semicolon_opt:
401 | ';'
402 ;
403
404 statement:
405 cppquote { $$ = make_statement_cppquote($1); }
406 | typedecl ';' { $$ = make_statement_type_decl($1);
407 if (!parse_only && do_header) {
408 write_type_def_or_decl(header, $1, FALSE, NULL);
409 fprintf(header, ";\n\n");
410 }
411 }
412 | declaration ';' { $$ = make_statement_declaration($1);
413 if (!parse_only && do_header) write_declaration($1, is_in_interface);
414 }
415 | import { $$ = make_statement_import($1); }
416 | typedef ';' { $$ = $1; }
417 ;
418
419 typedecl:
420 enumdef
421 | structdef
422 | uniondef
423 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
424 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
425 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
426 ;
427
428 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
429 ;
430 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
431 $$ = xmalloc(sizeof(struct _import_t));
432 $$->name = $2;
433 $$->import_performed = do_import($2);
434 if (!$$->import_performed) yychar = aEOF;
435 }
436 ;
437
438 import: import_start imp_statements aEOF { $$ = $1->name;
439 if ($1->import_performed) pop_import();
440 free($1);
441 if (!parse_only && do_header) write_import($$);
442 }
443 ;
444
445 importlib: tIMPORTLIB '(' aSTRING ')'
446 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
447 ;
448
449 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
450 ;
451 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
452 if (!parse_only) start_typelib($$);
453 if (!parse_only && do_header) write_library($$);
454 if (!parse_only && do_idfile) write_libid($$);
455 is_inside_library = TRUE;
456 }
457 ;
458 librarydef: library_start imp_statements '}'
459 semicolon_opt { $$ = $1;
460 $$->stmts = $2;
461 if (!parse_only) end_typelib();
462 is_inside_library = FALSE;
463 }
464 ;
465
466 m_args: { $$ = NULL; }
467 | args
468 ;
469
470 no_args: tVOID { $$ = NULL; }
471 ;
472
473 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
474 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
475 | no_args
476 ;
477
478 /* split into two rules to get bison to resolve a tVOID conflict */
479 arg: attributes decl_spec declarator { $$ = $3->var;
480 $$->attrs = $1;
481 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
482 error_loc("invalid storage class for function parameter\n");
483 set_type($$, $2, $3, TRUE);
484 free($3);
485 }
486 | decl_spec declarator { $$ = $2->var;
487 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
488 error_loc("invalid storage class for function parameter\n");
489 set_type($$, $1, $2, TRUE);
490 free($2);
491 }
492 ;
493
494 array: '[' m_expr ']' { $$ = $2; }
495 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
496 ;
497
498 m_attributes: { $$ = NULL; }
499 | attributes
500 ;
501
502 attributes:
503 '[' attrib_list ']' { $$ = $2; }
504 ;
505
506 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
507 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
508 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
509 ;
510
511 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
512 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
513 ;
514
515 attribute: { $$ = NULL; }
516 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
517 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
518 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
519 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
520 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
521 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
522 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
523 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
524 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
525 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
526 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
527 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
528 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
529 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
530 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
531 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
532 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
533 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
534 | tDUAL { $$ = make_attr(ATTR_DUAL); }
535 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
536 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
537 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
538 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
539 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
540 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
541 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
542 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
543 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
544 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
545 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
546 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
547 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
548 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
549 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
550 | tIN { $$ = make_attr(ATTR_IN); }
551 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
552 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
553 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
554 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
555 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
556 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
557 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
558 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
559 | tODL { $$ = make_attr(ATTR_ODL); }
560 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
561 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
562 | tOUT { $$ = make_attr(ATTR_OUT); }
563 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
564 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
565 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
566 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
567 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
568 | tRANGE '(' expr_int_const ',' expr_int_const ')'
569 { expr_list_t *list = append_expr( NULL, $3 );
570 list = append_expr( list, $5 );
571 $$ = make_attrp(ATTR_RANGE, list); }
572 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
573 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
574 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
575 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
576 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
577 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
578 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
579 | tSTRING { $$ = make_attr(ATTR_STRING); }
580 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
581 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
582 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
583 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
584 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
585 | tVARARG { $$ = make_attr(ATTR_VARARG); }
586 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
587 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
588 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
589 ;
590
591 uuid_string:
592 aUUID
593 | aSTRING { if (!is_valid_uuid($1))
594 error_loc("invalid UUID: %s\n", $1);
595 $$ = parse_uuid($1); }
596 ;
597
598 callconv: tCDECL { $$ = $<str>1; }
599 | tFASTCALL { $$ = $<str>1; }
600 | tPASCAL { $$ = $<str>1; }
601 | tSTDCALL { $$ = $<str>1; }
602 ;
603
604 cases: { $$ = NULL; }
605 | cases case { $$ = append_var( $1, $2 ); }
606 ;
607
608 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
609 $$ = $4; if (!$$) $$ = make_var(NULL);
610 $$->attrs = append_attr( $$->attrs, a );
611 }
612 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
613 $$ = $3; if (!$$) $$ = make_var(NULL);
614 $$->attrs = append_attr( $$->attrs, a );
615 }
616 ;
617
618 enums: { $$ = NULL; }
619 | enum_list ',' { $$ = $1; }
620 | enum_list
621 ;
622
623 enum_list: enum { if (!$1->eval)
624 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
625 $$ = append_var( NULL, $1 );
626 }
627 | enum_list ',' enum { if (!$3->eval)
628 {
629 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
630 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
631 }
632 $$ = append_var( $1, $3 );
633 }
634 ;
635
636 enum: ident '=' expr_int_const { $$ = reg_const($1);
637 $$->eval = $3;
638 $$->type = make_int(0);
639 }
640 | ident { $$ = reg_const($1);
641 $$->type = make_int(0);
642 }
643 ;
644
645 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
646 $$->kind = TKIND_ENUM;
647 $$->fields_or_args = $4;
648 $$->defined = TRUE;
649 if(in_typelib)
650 add_typelib_entry($$);
651 }
652 ;
653
654 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
655 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
656 ;
657
658 /*
659 exprs: { $$ = make_expr(EXPR_VOID); }
660 | expr_list
661 ;
662
663 expr_list: expr
664 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
665 ;
666 */
667
668 m_expr: { $$ = make_expr(EXPR_VOID); }
669 | expr
670 ;
671
672 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
673 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
674 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
675 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
676 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
677 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
678 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
679 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
680 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
681 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
682 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
683 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
684 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
685 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
686 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
687 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
688 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
689 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
690 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
691 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
692 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
693 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
694 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
695 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
696 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
697 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
698 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
699 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
700 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
701 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
702 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
703 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
704 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
705 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
706 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
707 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
708 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
709 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
710 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
711 | '(' expr ')' { $$ = $2; }
712 ;
713
714 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
715 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
716 ;
717
718 expr_int_const: expr { $$ = $1;
719 if (!$$->is_const)
720 error_loc("expression is not an integer constant\n");
721 }
722 ;
723
724 expr_const: expr { $$ = $1;
725 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
726 error_loc("expression is not constant\n");
727 }
728 ;
729
730 fields: { $$ = NULL; }
731 | fields field { $$ = append_var_list($1, $2); }
732 ;
733
734 field: m_attributes decl_spec declarator_list ';'
735 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
736 check_field_attrs(first, $1);
737 $$ = set_var_types($1, $2, $3);
738 }
739 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
740 v->type = $2; v->attrs = $1;
741 $$ = append_var(NULL, v);
742 }
743 ;
744
745 ne_union_field:
746 s_field ';' { $$ = $1; }
747 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
748 ;
749
750 ne_union_fields: { $$ = NULL; }
751 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
752 ;
753
754 union_field:
755 s_field ';' { $$ = $1; }
756 | ';' { $$ = NULL; }
757 ;
758
759 s_field: m_attributes decl_spec declarator { $$ = $3->var;
760 $$->attrs = check_field_attrs($$->name, $1);
761 set_type($$, $2, $3, FALSE);
762 free($3);
763 }
764 ;
765
766 funcdef:
767 m_attributes decl_spec declarator { var_t *v = $3->var;
768 v->attrs = check_function_attrs(v->name, $1);
769 set_type(v, $2, $3, FALSE);
770 free($3);
771 $$ = make_func(v);
772 }
773 ;
774
775 declaration:
776 attributes decl_spec init_declarator
777 { $$ = $3->var;
778 $$->attrs = $1;
779 set_type($$, $2, $3, FALSE);
780 free($3);
781 }
782 | decl_spec init_declarator { $$ = $2->var;
783 set_type($$, $1, $2, FALSE);
784 free($2);
785 }
786 ;
787
788 m_ident: { $$ = NULL; }
789 | ident
790 ;
791
792 t_ident: { $$ = NULL; }
793 | aIDENTIFIER { $$ = make_var($1); }
794 | aKNOWNTYPE { $$ = make_var($1); }
795 ;
796
797 ident: aIDENTIFIER { $$ = make_var($1); }
798 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
799 | aKNOWNTYPE { $$ = make_var($<str>1); }
800 ;
801
802 base_type: tBYTE { $$ = make_builtin($<str>1); }
803 | tWCHAR { $$ = make_builtin($<str>1); }
804 | int_std
805 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
806 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
807 switch ($$->type) {
808 case RPC_FC_CHAR: break;
809 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
810 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
811 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
812 case RPC_FC_HYPER:
813 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
814 {
815 $$ = alias($$, "MIDL_uhyper");
816 $$->sign = 0;
817 }
818 break;
819 default: break;
820 }
821 }
822 | tUNSIGNED { $$ = make_int(-1); }
823 | tFLOAT { $$ = make_builtin($<str>1); }
824 | tSINGLE { $$ = find_type("float", 0); }
825 | tDOUBLE { $$ = make_builtin($<str>1); }
826 | tBOOLEAN { $$ = make_builtin($<str>1); }
827 | tERRORSTATUST { $$ = make_builtin($<str>1); }
828 | tHANDLET { $$ = make_builtin($<str>1); }
829 ;
830
831 m_int:
832 | tINT
833 ;
834
835 int_std: tINT { $$ = make_builtin($<str>1); }
836 | tSHORT m_int { $$ = make_builtin($<str>1); }
837 | tSMALL { $$ = make_builtin($<str>1); }
838 | tLONG m_int { $$ = make_builtin($<str>1); }
839 | tHYPER m_int { $$ = make_builtin($<str>1); }
840 | tINT64 { $$ = make_builtin($<str>1); }
841 | tCHAR { $$ = make_builtin($<str>1); }
842 ;
843
844 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
845 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
846 if ($$->kind != TKIND_COCLASS)
847 error_loc("%s was not declared a coclass at %s:%d\n",
848 $2, $$->loc_info.input_name,
849 $$->loc_info.line_number);
850 }
851 ;
852
853 coclasshdr: attributes coclass { $$ = $2;
854 check_def($$);
855 $$->attrs = check_coclass_attrs($2->name, $1);
856 if (!parse_only && do_header)
857 write_coclass($$);
858 if (!parse_only && do_idfile)
859 write_clsid($$);
860 }
861 ;
862
863 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
864 { $$ = $1;
865 $$->ifaces = $3;
866 $$->defined = TRUE;
867 }
868 ;
869
870 coclass_ints: { $$ = NULL; }
871 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
872 ;
873
874 coclass_int:
875 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
876 ;
877
878 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
879 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_DISPATCH; }
880 ;
881
882 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
883 is_in_interface = TRUE;
884 is_object_interface = TRUE;
885 $$ = $2;
886 check_def($$);
887 attrs = make_attr(ATTR_DISPINTERFACE);
888 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
889 $$->ref = find_type("IDispatch", 0);
890 if (!$$->ref) error_loc("IDispatch is undefined\n");
891 $$->defined = TRUE;
892 if (!parse_only && do_header) write_forward($$);
893 }
894 ;
895
896 dispint_props: tPROPERTIES ':' { $$ = NULL; }
897 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
898 ;
899
900 dispint_meths: tMETHODS ':' { $$ = NULL; }
901 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
902 ;
903
904 dispinterfacedef: dispinterfacehdr '{'
905 dispint_props
906 dispint_meths
907 '}' { $$ = $1;
908 $$->fields_or_args = $3;
909 $$->funcs = $4;
910 if (!parse_only && do_header) write_interface($$);
911 if (!parse_only && do_idfile) write_diid($$);
912 is_in_interface = FALSE;
913 }
914 | dispinterfacehdr
915 '{' interface ';' '}' { $$ = $1;
916 $$->fields_or_args = $3->fields_or_args;
917 $$->funcs = $3->funcs;
918 if (!parse_only && do_header) write_interface($$);
919 if (!parse_only && do_idfile) write_diid($$);
920 is_in_interface = FALSE;
921 }
922 ;
923
924 inherit: { $$ = NULL; }
925 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
926 ;
927
928 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
929 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
930 ;
931
932 interfacehdr: attributes interface { $$.interface = $2;
933 $$.old_pointer_default = pointer_default;
934 if (is_attr($1, ATTR_POINTERDEFAULT))
935 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
936 is_object_interface = is_object($1);
937 is_in_interface = TRUE;
938 check_def($2);
939 $2->attrs = check_iface_attrs($2->name, $1);
940 $2->defined = TRUE;
941 if (!parse_only && do_header) write_forward($2);
942 }
943 ;
944
945 interfacedef: interfacehdr inherit
946 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
947 $$->ref = $2;
948 $$->funcs = $4;
949 check_functions($$);
950 compute_method_indexes($$);
951 if (!parse_only && do_header) write_interface($$);
952 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
953 if (!parse_only && do_idfile) write_iid($$);
954 pointer_default = $1.old_pointer_default;
955 is_in_interface = FALSE;
956 }
957 /* MIDL is able to import the definition of a base class from inside the
958 * definition of a derived class, I'll try to support it with this rule */
959 | interfacehdr ':' aIDENTIFIER
960 '{' import int_statements '}'
961 semicolon_opt { $$ = $1.interface;
962 $$->ref = find_type_or_error2($3, 0);
963 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
964 $$->funcs = $6;
965 compute_method_indexes($$);
966 if (!parse_only && do_header) write_interface($$);
967 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
968 if (!parse_only && do_idfile) write_iid($$);
969 pointer_default = $1.old_pointer_default;
970 is_in_interface = FALSE;
971 }
972 | dispinterfacedef semicolon_opt { $$ = $1; }
973 ;
974
975 interfacedec:
976 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
977 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
978 ;
979
980 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
981 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
982 ;
983
984 modulehdr: attributes module { $$ = $2;
985 $$->attrs = check_module_attrs($2->name, $1);
986 }
987 ;
988
989 moduledef: modulehdr '{' int_statements '}'
990 semicolon_opt { $$ = $1;
991 $$->funcs = $3;
992 /* FIXME: if (!parse_only && do_header) write_module($$); */
993 }
994 ;
995
996 storage_cls_spec:
997 tEXTERN { $$ = STG_EXTERN; }
998 | tSTATIC { $$ = STG_STATIC; }
999 | tREGISTER { $$ = STG_REGISTER; }
1000 ;
1001
1002 function_specifier:
1003 tINLINE { $$ = make_attr(ATTR_INLINE); }
1004 ;
1005
1006 type_qualifier:
1007 tCONST { $$ = make_attr(ATTR_CONST); }
1008 ;
1009
1010 m_type_qual_list: { $$ = NULL; }
1011 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
1012 ;
1013
1014 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
1015 | decl_spec_no_type type m_decl_spec_no_type
1016 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
1017 ;
1018
1019 m_decl_spec_no_type: { $$ = NULL; }
1020 | decl_spec_no_type
1021 ;
1022
1023 decl_spec_no_type:
1024 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1025 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
1026 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
1027 ;
1028
1029 declarator:
1030 '*' m_type_qual_list declarator %prec PPTR
1031 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1032 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1033 | direct_declarator
1034 ;
1035
1036 direct_declarator:
1037 ident { $$ = make_declarator($1); }
1038 | '(' declarator ')' { $$ = $2; }
1039 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1040 | direct_declarator '(' m_args ')' { $$ = $1;
1041 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1042 $$->type = NULL;
1043 }
1044 ;
1045
1046 declarator_list:
1047 declarator { $$ = append_declarator( NULL, $1 ); }
1048 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1049 ;
1050
1051 init_declarator:
1052 declarator { $$ = $1; }
1053 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1054 ;
1055
1056 pointer_type:
1057 tREF { $$ = RPC_FC_RP; }
1058 | tUNIQUE { $$ = RPC_FC_UP; }
1059 | tPTR { $$ = RPC_FC_FP; }
1060 ;
1061
1062 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1063 check_def($$);
1064 $$->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 void clear_all_offsets(void)
1370 {
1371 type_pool_node_t *node;
1372 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1373 node->data.typestring_offset = node->data.ptrdesc = 0;
1374 }
1375
1376 type_t *make_type(unsigned char type, type_t *ref)
1377 {
1378 type_t *t = alloc_type();
1379 t->name = NULL;
1380 t->kind = TKIND_PRIMITIVE;
1381 t->type = type;
1382 t->ref = ref;
1383 t->attrs = NULL;
1384 t->orig = NULL;
1385 t->funcs = NULL;
1386 t->fields_or_args = NULL;
1387 t->ifaces = NULL;
1388 t->dim = 0;
1389 t->size_is = NULL;
1390 t->length_is = NULL;
1391 t->typestring_offset = 0;
1392 t->ptrdesc = 0;
1393 t->declarray = FALSE;
1394 t->ignore = (parse_only != 0);
1395 t->sign = 0;
1396 t->defined = FALSE;
1397 t->written = FALSE;
1398 t->user_types_registered = FALSE;
1399 t->tfswrite = FALSE;
1400 t->checked = FALSE;
1401 t->typelib_idx = -1;
1402 init_loc_info(&t->loc_info);
1403 return t;
1404 }
1405
1406 static type_t *make_func_type(var_list_t *args)
1407 {
1408 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1409 t->fields_or_args = args;
1410 return t;
1411 }
1412
1413 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1414 {
1415 type_t *t = make_type(pointer_default, ref);
1416 t->attrs = attrs;
1417 return t;
1418 }
1419
1420 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1421 {
1422 type_t *ptrchain_type;
1423 if (!ptrchain)
1424 return type;
1425 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1426 ;
1427 ptrchain_type->ref = type;
1428 return ptrchain;
1429 }
1430
1431 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1432 int top)
1433 {
1434 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1435 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1436 int sizeless, has_varconf;
1437 expr_t *dim;
1438 type_t *atype, **ptype;
1439 array_dims_t *arr = decl ? decl->array : NULL;
1440 type_t *func_type = decl ? decl->func_type : NULL;
1441 type_t *type = decl_spec->type;
1442
1443 if (is_attr(type->attrs, ATTR_INLINE))
1444 {
1445 if (!func_type)
1446 error_loc("inline attribute applied to non-function type\n");
1447 else
1448 {
1449 type_t *t;
1450 /* move inline attribute from return type node to function node */
1451 for (t = func_type; is_ptr(t); t = t->ref)
1452 ;
1453 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1454 }
1455 }
1456
1457 /* add type onto the end of the pointers in pident->type */
1458 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1459 v->stgclass = decl_spec->stgclass;
1460
1461 /* the highest level of pointer specified should default to the var's ptr attr
1462 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1463 * pointer_default so we need to fix that up here */
1464 if (!arr)
1465 {
1466 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1467 const type_t *ptr = NULL;
1468 /* pointer attributes on the left side of the type belong to the function
1469 * pointer, if one is being declared */
1470 type_t **pt = func_type ? &func_type : &v->type;
1471 for (ptr = *pt; ptr && !ptr_attr; )
1472 {
1473 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1474 if (!ptr_attr && ptr->kind == TKIND_ALIAS)
1475 ptr = ptr->orig;
1476 else
1477 break;
1478 }
1479 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1480 {
1481 /* duplicate type to avoid changing original type */
1482 *pt = duptype(*pt, 1);
1483 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1484 }
1485 else if (ptr_attr)
1486 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1487 }
1488
1489 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1490 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1491 v->name);
1492
1493 if (is_attr(v->attrs, ATTR_V1ENUM))
1494 {
1495 if (v->type->type == RPC_FC_ENUM16)
1496 v->type->type = RPC_FC_ENUM32;
1497 else
1498 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1499 }
1500
1501 sizeless = FALSE;
1502 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1503 {
1504 if (sizeless)
1505 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1506
1507 if (dim->is_const)
1508 {
1509 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1510 }
1511 else
1512 {
1513 sizeless = TRUE;
1514 v->type = make_type(RPC_FC_CARRAY, v->type);
1515 }
1516
1517 v->type->declarray = TRUE;
1518 v->type->dim = dim->cval;
1519 }
1520
1521 ptype = &v->type;
1522 has_varconf = FALSE;
1523 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1524 {
1525 if (dim->type != EXPR_VOID)
1526 {
1527 has_varconf = TRUE;
1528 atype = *ptype = duptype(*ptype, 0);
1529
1530 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1531 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1532
1533 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1534 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1535
1536 atype->type = RPC_FC_CARRAY;
1537 atype->size_is = dim;
1538 }
1539
1540 ptype = &(*ptype)->ref;
1541 if (*ptype == NULL)
1542 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1543 }
1544
1545 ptype = &v->type;
1546 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1547 {
1548 if (dim->type != EXPR_VOID)
1549 {
1550 has_varconf = TRUE;
1551 atype = *ptype = duptype(*ptype, 0);
1552
1553 if (atype->type == RPC_FC_SMFARRAY)
1554 atype->type = RPC_FC_SMVARRAY;
1555 else if (atype->type == RPC_FC_LGFARRAY)
1556 atype->type = RPC_FC_LGVARRAY;
1557 else if (atype->type == RPC_FC_CARRAY)
1558 atype->type = RPC_FC_CVARRAY;
1559 else
1560 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1561
1562 atype->length_is = dim;
1563 }
1564
1565 ptype = &(*ptype)->ref;
1566 if (*ptype == NULL)
1567 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1568 }
1569
1570 if (has_varconf && !last_array(v->type))
1571 {
1572 ptype = &v->type;
1573 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1574 {
1575 *ptype = duptype(*ptype, 0);
1576 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1577 }
1578 }
1579
1580 /* v->type is currently pointing to the type on the left-side of the
1581 * declaration, so we need to fix this up so that it is the return type of the
1582 * function and make v->type point to the function side of the declaration */
1583 if (func_type)
1584 {
1585 type_t *ft, *t;
1586 type_t *return_type = v->type;
1587 v->type = func_type;
1588 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1589 ;
1590 assert(ft->type == RPC_FC_FUNCTION);
1591 ft->ref = return_type;
1592 /* move calling convention attribute, if present, from pointer nodes to
1593 * function node */
1594 for (t = v->type; is_ptr(t); t = t->ref)
1595 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1596 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1597 {
1598 static char *stdmethodcalltype;
1599 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1600 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1601 }
1602 }
1603 else
1604 {
1605 type_t *t;
1606 for (t = v->type; is_ptr(t); t = t->ref)
1607 if (is_attr(t->attrs, ATTR_CALLCONV))
1608 error_loc("calling convention applied to non-function-pointer type\n");
1609 }
1610 }
1611
1612 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1613 {
1614 declarator_t *decl, *next;
1615 var_list_t *var_list = NULL;
1616
1617 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1618 {
1619 var_t *var = decl->var;
1620
1621 var->attrs = attrs;
1622 set_type(var, decl_spec, decl, 0);
1623 var_list = append_var(var_list, var);
1624 free(decl);
1625 }
1626 return var_list;
1627 }
1628
1629 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1630 {
1631 if (!iface) return list;
1632 if (!list)
1633 {
1634 list = xmalloc( sizeof(*list) );
1635 list_init( list );
1636 }
1637 list_add_tail( list, &iface->entry );
1638 return list;
1639 }
1640
1641 static ifref_t *make_ifref(type_t *iface)
1642 {
1643 ifref_t *l = xmalloc(sizeof(ifref_t));
1644 l->iface = iface;
1645 l->attrs = NULL;
1646 return l;
1647 }
1648
1649 static var_list_t *append_var(var_list_t *list, var_t *var)
1650 {
1651 if (!var) return list;
1652 if (!list)
1653 {
1654 list = xmalloc( sizeof(*list) );
1655 list_init( list );
1656 }
1657 list_add_tail( list, &var->entry );
1658 return list;
1659 }
1660
1661 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1662 {
1663 if (!vars) return list;
1664 if (!list)
1665 {
1666 list = xmalloc( sizeof(*list) );
1667 list_init( list );
1668 }
1669 list_move_tail( list, vars );
1670 return list;
1671 }
1672
1673 static var_t *make_var(char *name)
1674 {
1675 var_t *v = xmalloc(sizeof(var_t));
1676 v->name = name;
1677 v->type = NULL;
1678 v->attrs = NULL;
1679 v->eval = NULL;
1680 v->stgclass = STG_NONE;
1681 init_loc_info(&v->loc_info);
1682 return v;
1683 }
1684
1685 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1686 {
1687 if (!d) return list;
1688 if (!list) {
1689 list = xmalloc(sizeof(*list));
1690 list_init(list);
1691 }
1692 list_add_tail(list, &d->entry);
1693 return list;
1694 }
1695
1696 static declarator_t *make_declarator(var_t *var)
1697 {
1698 declarator_t *d = xmalloc(sizeof(*d));
1699 d->var = var;
1700 d->type = NULL;
1701 d->func_type = NULL;
1702 d->array = NULL;
1703 return d;
1704 }
1705
1706 static func_list_t *append_func(func_list_t *list, func_t *func)
1707 {
1708 if (!func) return list;
1709 if (!list)
1710 {
1711 list = xmalloc( sizeof(*list) );
1712 list_init( list );
1713 }
1714 list_add_tail( list, &func->entry );
1715 return list;
1716 }
1717
1718 static func_t *make_func(var_t *def)
1719 {
1720 func_t *f = xmalloc(sizeof(func_t));
1721 f->def = def;
1722 f->args = def->type->fields_or_args;
1723 f->ignore = parse_only;
1724 f->idx = -1;
1725 return f;
1726 }
1727
1728 static type_t *make_class(char *name)
1729 {
1730 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1731 c->name = name;
1732 c->kind = TKIND_COCLASS;
1733 return c;
1734 }
1735
1736 static type_t *make_safearray(type_t *type)
1737 {
1738 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1739 sa->ref = type;
1740 return make_type(pointer_default, sa);
1741 }
1742
1743 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1744 {
1745 typelib_t *typelib = xmalloc(sizeof(*typelib));
1746 typelib->name = xstrdup(name);
1747 typelib->filename = NULL;
1748 typelib->attrs = attrs;
1749 list_init( &typelib->entries );
1750 list_init( &typelib->importlibs );
1751 return typelib;
1752 }
1753
1754 #define HASHMAX 64
1755
1756 static int hash_ident(const char *name)
1757 {
1758 const char *p = name;
1759 int sum = 0;
1760 /* a simple sum hash is probably good enough */
1761 while (*p) {
1762 sum += *p;
1763 p++;
1764 }
1765 return sum & (HASHMAX-1);
1766 }
1767
1768 /***** type repository *****/
1769
1770 struct rtype {
1771 const char *name;
1772 type_t *type;
1773 int t;
1774 struct rtype *next;
1775 };
1776
1777 struct rtype *type_hash[HASHMAX];
1778
1779 static type_t *reg_type(type_t *type, const char *name, int t)
1780 {
1781 struct rtype *nt;
1782 int hash;
1783 if (!name) {
1784 error_loc("registering named type without name\n");
1785 return type;
1786 }
1787 hash = hash_ident(name);
1788 nt = xmalloc(sizeof(struct rtype));
1789 nt->name = name;
1790 nt->type = type;
1791 nt->t = t;
1792 nt->next = type_hash[hash];
1793 type_hash[hash] = nt;
1794 return type;
1795 }
1796
1797 static int is_incomplete(const type_t *t)
1798 {
1799 return !t->defined && (is_struct(t->type) || is_union(t->type));
1800 }
1801
1802 static void add_incomplete(type_t *t)
1803 {
1804 struct typenode *tn = xmalloc(sizeof *tn);
1805 tn->type = t;
1806 list_add_tail(&incomplete_types, &tn->entry);
1807 }
1808
1809 static void fix_type(type_t *t)
1810 {
1811 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1812 type_t *ot = t->orig;
1813 fix_type(ot);
1814 t->fields_or_args = ot->fields_or_args;
1815 t->defined = ot->defined;
1816 }
1817 }
1818
1819 static void fix_incomplete(void)
1820 {
1821 struct typenode *tn, *next;
1822
1823 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1824 fix_type(tn->type);
1825 free(tn);
1826 }
1827 }
1828
1829 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1830 {
1831 const declarator_t *decl;
1832 int is_str = is_attr(attrs, ATTR_STRING);
1833 type_t *type = decl_spec->type;
1834
1835 if (is_str)
1836 {
1837 type_t *t = decl_spec->type;
1838 unsigned char c;
1839
1840 while (is_ptr(t))
1841 t = t->ref;
1842
1843 c = t->type;
1844 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1845 {
1846 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1847 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1848 decl->var->name);
1849 }
1850 }
1851
1852 /* We must generate names for tagless enum, struct or union.
1853 Typedef-ing a tagless enum, struct or union means we want the typedef
1854 to be included in a library hence the public attribute. */
1855 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1856 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1857 {
1858 if (! is_attr(attrs, ATTR_PUBLIC))
1859 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1860 type->name = gen_name();
1861 }
1862 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1863 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1864
1865 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1866 {
1867 var_t *name = decl->var;
1868
1869 if (name->name) {
1870 type_t *cur;
1871
1872 cur = find_type(name->name, 0);
1873 if (cur)
1874 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1875 cur->name, cur->loc_info.input_name,
1876 cur->loc_info.line_number);
1877
1878 /* set the attributes to allow set_type to do some checks on them */
1879 name->attrs = attrs;
1880 set_type(name, decl_spec, decl, 0);
1881 cur = alias(name->type, name->name);
1882 cur->attrs = attrs;
1883
1884 if (is_incomplete(cur))
1885 add_incomplete(cur);
1886 reg_type(cur, cur->name, 0);
1887 }
1888 }
1889 return type;
1890 }
1891
1892 type_t *find_type(const char *name, int t)
1893 {
1894 struct rtype *cur = type_hash[hash_ident(name)];
1895 while (cur && (cur->t != t || strcmp(cur->name, name)))
1896 cur = cur->next;
1897 return cur ? cur->type : NULL;
1898 }
1899
1900 static type_t *find_type_or_error(const char *name, int t)
1901 {
1902 type_t *type = find_type(name, t);
1903 if (!type) {
1904 error_loc("type '%s' not found\n", name);
1905 return NULL;
1906 }
1907 return type;
1908 }
1909
1910 static type_t *find_type_or_error2(char *name, int t)
1911 {
1912 type_t *tp = find_type_or_error(name, t);
1913 free(name);
1914 return tp;
1915 }
1916
1917 int is_type(const char *name)
1918 {
1919 return find_type(name, 0) != NULL;
1920 }
1921
1922 static type_t *get_type(unsigned char type, char *name, int t)
1923 {
1924 type_t *tp;
1925 if (name) {
1926 tp = find_type(name, t);
1927 if (tp) {
1928 free(name);
1929 return tp;
1930 }
1931 }
1932 tp = make_type(type, NULL);
1933 tp->name = name;
1934 if (!name) return tp;
1935 return reg_type(tp, name, t);
1936 }
1937
1938 static type_t *get_typev(unsigned char type, var_t *name, int t)
1939 {
1940 char *sname = NULL;
1941 if (name) {
1942 sname = name->name;
1943 free(name);
1944 }
1945 return get_type(type, sname, t);
1946 }
1947
1948 /***** constant repository *****/
1949
1950 struct rconst {
1951 char *name;
1952 var_t *var;
1953 struct rconst *next;
1954 };
1955
1956 struct rconst *const_hash[HASHMAX];
1957
1958 static var_t *reg_const(var_t *var)
1959 {
1960 struct rconst *nc;
1961 int hash;
1962 if (!var->name) {
1963 error_loc("registering constant without name\n");
1964 return var;
1965 }
1966 hash = hash_ident(var->name);
1967 nc = xmalloc(sizeof(struct rconst));
1968 nc->name = var->name;
1969 nc->var = var;
1970 nc->next = const_hash[hash];
1971 const_hash[hash] = nc;
1972 return var;
1973 }
1974
1975 var_t *find_const(const char *name, int f)
1976 {
1977 struct rconst *cur = const_hash[hash_ident(name)];
1978 while (cur && strcmp(cur->name, name))
1979 cur = cur->next;
1980 if (!cur) {
1981 if (f) error_loc("constant '%s' not found\n", name);
1982 return NULL;
1983 }
1984 return cur->var;
1985 }
1986
1987 static void write_libid(const typelib_t *typelib)
1988 {
1989 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
1990 write_guid(idfile, "LIBID", typelib->name, uuid);
1991 }
1992
1993 static void write_clsid(type_t *cls)
1994 {
1995 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
1996 write_guid(idfile, "CLSID", cls->name, uuid);
1997 }
1998
1999 static void write_diid(type_t *iface)
2000 {
2001 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2002 write_guid(idfile, "DIID", iface->name, uuid);
2003 }
2004
2005 static void write_iid(type_t *iface)
2006 {
2007 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2008 write_guid(idfile, "IID", iface->name, uuid);
2009 }
2010
2011 static int compute_method_indexes(type_t *iface)
2012 {
2013 int idx;
2014 func_t *f;
2015
2016 if (iface->ref)
2017 idx = compute_method_indexes(iface->ref);
2018 else
2019 idx = 0;
2020
2021 if (!iface->funcs)
2022 return idx;
2023
2024 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2025 if (! is_callas(f->def->attrs))
2026 f->idx = idx++;
2027
2028 return idx;
2029 }
2030
2031 static char *gen_name(void)
2032 {
2033 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2034 static unsigned long n = 0;
2035 static const char *file_id;
2036 static size_t size;
2037 char *name;
2038
2039 if (! file_id)
2040 {
2041 char *dst = dup_basename(input_name, ".idl");
2042 file_id = dst;
2043
2044 for (; *dst; ++dst)
2045 if (! isalnum((unsigned char) *dst))
2046 *dst = '_';
2047
2048 size = sizeof format - 7 + strlen(file_id) + 8;
2049 }
2050
2051 name = xmalloc(size);
2052 sprintf(name, format, file_id, n++);
2053 return name;
2054 }
2055
2056 struct allowed_attr
2057 {
2058 unsigned int dce_compatible : 1;
2059 unsigned int acf : 1;
2060 unsigned int on_interface : 1;
2061 unsigned int on_function : 1;
2062 unsigned int on_arg : 1;
2063 unsigned int on_type : 1;
2064 unsigned int on_enum : 1;
2065 unsigned int on_struct : 1;
2066 unsigned int on_union : 1;
2067 unsigned int on_field : 1;
2068 unsigned int on_library : 1;
2069 unsigned int on_dispinterface : 1;
2070 unsigned int on_module : 1;
2071 unsigned int on_coclass : 1;
2072 const char *display_name;
2073 };
2074
2075 struct allowed_attr allowed_attr[] =
2076 {
2077 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2078 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2079 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2080 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2081 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2082 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2083 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2084 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2085 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2086 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2087 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2088 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2089 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2090 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2091 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2092 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2093 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2094 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2095 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2096 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2097 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2098 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2099 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2100 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2101 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2102 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2103 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2104 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2105 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2106 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2107 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2108 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2109 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2110 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2111 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2112 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2113 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2114 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2115 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2116 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2117 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2118 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2119 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2120 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2121 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2122 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2123 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2124 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2125 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2126 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2127 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2128 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2129 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2130 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2131 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2132 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2133 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2134 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2135 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2136 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2137 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2138 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2139 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2140 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2141 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2142 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2143 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2144 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2145 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2146 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2147 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2148 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2149 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2150 };
2151
2152 const char *get_attr_display_name(enum attr_type type)
2153 {
2154 return allowed_attr[type].display_name;
2155 }
2156
2157 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2158 {
2159 const attr_t *attr;
2160 if (!attrs) return attrs;
2161 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2162 {
2163 if (!allowed_attr[attr->type].on_interface)
2164 error_loc("inapplicable attribute %s for interface %s\n",
2165 allowed_attr[attr->type].display_name, name);
2166 }
2167 return attrs;
2168 }
2169
2170 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2171 {
2172 const attr_t *attr;
2173 if (!attrs) return attrs;
2174 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2175 {
2176 if (!allowed_attr[attr->type].on_function)
2177 error_loc("inapplicable attribute %s for function %s\n",
2178 allowed_attr[attr->type].display_name, name);
2179 }
2180 return attrs;
2181 }
2182
2183 static void check_arg(var_t *arg)
2184 {
2185 const type_t *t = arg->type;
2186 const attr_t *attr;
2187
2188 if (t->type == 0 && ! is_var_ptr(arg))
2189 error_loc("argument '%s' has void type\n", arg->name);
2190
2191 if (arg->attrs)
2192 {
2193 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2194 {
2195 if (!allowed_attr[attr->type].on_arg)
2196 error_loc("inapplicable attribute %s for argument %s\n",
2197 allowed_attr[attr->type].display_name, arg->name);
2198 }
2199 }
2200 }
2201
2202 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2203 {
2204 const attr_t *attr;
2205 if (!attrs) return attrs;
2206 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2207 {
2208 if (!allowed_attr[attr->type].on_type)
2209 error_loc("inapplicable attribute %s for typedef\n",
2210 allowed_attr[attr->type].display_name);
2211 }
2212 return attrs;
2213 }
2214
2215 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2216 {
2217 const attr_t *attr;
2218 if (!attrs) return attrs;
2219 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2220 {
2221 if (!allowed_attr[attr->type].on_enum)
2222 error_loc("inapplicable attribute %s for enum\n",
2223 allowed_attr[attr->type].display_name);
2224 }
2225 return attrs;
2226 }
2227
2228 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2229 {
2230 const attr_t *attr;
2231 if (!attrs) return attrs;
2232 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2233 {
2234 if (!allowed_attr[attr->type].on_struct)
2235 error_loc("inapplicable attribute %s for struct\n",
2236 allowed_attr[attr->type].display_name);
2237 }
2238 return attrs;
2239 }
2240
2241 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2242 {
2243 const attr_t *attr;
2244 if (!attrs) return attrs;
2245 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2246 {
2247 if (!allowed_attr[attr->type].on_union)
2248 error_loc("inapplicable attribute %s for union\n",
2249 allowed_attr[attr->type].display_name);
2250 }
2251 return attrs;
2252 }
2253
2254 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2255 {
2256 const attr_t *attr;
2257 if (!attrs) return attrs;
2258 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2259 {
2260 if (!allowed_attr[attr->type].on_field)
2261 error_loc("inapplicable attribute %s for field %s\n",
2262 allowed_attr[attr->type].display_name, name);
2263 }
2264 return attrs;
2265 }
2266
2267 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2268 {
2269 const attr_t *attr;
2270 if (!attrs) return attrs;
2271 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2272 {
2273 if (!allowed_attr[attr->type].on_library)
2274 error_loc("inapplicable attribute %s for library %s\n",
2275 allowed_attr[attr->type].display_name, name);
2276 }
2277 return attrs;
2278 }
2279
2280 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2281 {
2282 const attr_t *attr;
2283 if (!attrs) return attrs;
2284 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2285 {
2286 if (!allowed_attr[attr->type].on_dispinterface)
2287 error_loc("inapplicable attribute %s for dispinterface %s\n",
2288 allowed_attr[attr->type].display_name, name);
2289 }
2290 return attrs;
2291 }
2292
2293 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2294 {
2295 const attr_t *attr;
2296 if (!attrs) return attrs;
2297 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2298 {
2299 if (!allowed_attr[attr->type].on_module)
2300 error_loc("inapplicable attribute %s for module %s\n",
2301 allowed_attr[attr->type].display_name, name);
2302 }
2303 return attrs;
2304 }
2305
2306 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2307 {
2308 const attr_t *attr;
2309 if (!attrs) return attrs;
2310 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2311 {
2312 if (!allowed_attr[attr->type].on_coclass)
2313 error_loc("inapplicable attribute %s for coclass %s\n",
2314 allowed_attr[attr->type].display_name, name);
2315 }
2316 return attrs;
2317 }
2318
2319 static int is_allowed_conf_type(const type_t *type)
2320 {
2321 switch (type->type)
2322 {
2323 case RPC_FC_CHAR:
2324 case RPC_FC_SMALL:
2325 case RPC_FC_BYTE:
2326 case RPC_FC_USMALL:
2327 case RPC_FC_WCHAR:
2328 case RPC_FC_SHORT:
2329 case RPC_FC_ENUM16:
2330 case RPC_FC_USHORT:
2331 case RPC_FC_LONG:
2332 case RPC_FC_ENUM32:
2333 case RPC_FC_ULONG:
2334 return TRUE;
2335 default:
2336 return FALSE;
2337 }
2338 }
2339
2340 static int is_ptr_guid_type(const type_t *type)
2341 {
2342 unsigned int align = 0;
2343 for (;;)
2344 {
2345 if (type->kind == TKIND_ALIAS)
2346 type = type->orig;
2347 else if (is_ptr(type))
2348 {
2349 type = type->ref;
2350 break;
2351 }
2352 else
2353 return FALSE;
2354 }
2355 return (type_memsize(type, &align) == 16);
2356 }
2357
2358 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2359 {
2360 expr_t *dim;
2361 struct expr_loc expr_loc;
2362 expr_loc.v = arg;
2363 expr_loc.attr = attr_name;
2364 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2365 {
2366 if (dim->type != EXPR_VOID)
2367 {
2368 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2369 if (!is_allowed_conf_type(expr_type))
2370 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2371 attr_name);
2372 }
2373 }
2374 }
2375
2376 static void check_remoting_fields(const var_t *var, type_t *type);
2377
2378 /* checks that properties common to fields and arguments are consistent */
2379 static void check_field_common(const type_t *container_type,
2380 const char *container_name, const var_t *arg)
2381 {
2382 type_t *type = arg->type;
2383 int is_wire_marshal = 0;
2384 int is_context_handle = 0;
2385 const char *container_type_name = NULL;
2386
2387 if (is_struct(container_type->type))
2388 container_type_name = "struct";
2389 else if (is_union(container_type->type))
2390 container_type_name = "union";
2391 else if (container_type->type == RPC_FC_FUNCTION)
2392 container_type_name = "function";
2393
2394 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2395 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2396 error_loc_info(&arg->loc_info,
2397 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2398 arg->name);
2399
2400 if (is_attr(arg->attrs, ATTR_SIZEIS))
2401 {
2402 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2403 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2404 }
2405 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2406 {
2407 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2408 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2409 }
2410 if (is_attr(arg->attrs, ATTR_IIDIS))
2411 {
2412 struct expr_loc expr_loc;
2413 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2414 if (expr->type != EXPR_VOID)
2415 {
2416 const type_t *expr_type;
2417 expr_loc.v = arg;
2418 expr_loc.attr = "iid_is";
2419 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2420 if (!expr_type || !is_ptr_guid_type(expr_type))
2421 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2422 }
2423 }
2424 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2425 {
2426 struct expr_loc expr_loc;
2427 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2428 if (expr->type != EXPR_VOID)
2429 {
2430 const type_t *expr_type;
2431 expr_loc.v = arg;
2432 expr_loc.attr = "switch_is";
2433 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2434 if (!expr_type || !is_allowed_conf_type(expr_type))
2435 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2436 expr_loc.attr);
2437 }
2438 }
2439
2440 /* get fundamental type for the argument */
2441 for (;;)
2442 {
2443 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2444 {
2445 is_wire_marshal = 1;
2446 break;
2447 }
2448 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2449 {
2450 is_context_handle = 1;
2451 break;
2452 }
2453 if (type->kind == TKIND_ALIAS)
2454 type = type->orig;
2455 else if (is_ptr(type) || is_array(type))
2456 type = type->ref;
2457 else
2458 break;
2459 }
2460
2461 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2462 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2463 else if (type->type == RPC_FC_FUNCTION)
2464 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2465 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2466 check_remoting_fields(arg, type);
2467 }
2468
2469 static void check_remoting_fields(const var_t *var, type_t *type)
2470 {
2471 const var_t *field;
2472 const var_list_t *fields = NULL;
2473
2474 if (type->checked)
2475 return;
2476
2477 type->checked = TRUE;
2478
2479 if (is_struct(type->type))
2480 {
2481 if (type->defined)
2482 fields = type->fields_or_args;
2483 else
2484 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2485 }
2486 else if (is_union(type->type))
2487 {
2488 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2489 {
2490 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2491 fields = uv->type->fields_or_args;
2492 }
2493 else
2494 fields = type->fields_or_args;
2495 }
2496
2497 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2498 if (field->type) check_field_common(type, type->name, field);
2499 }
2500
2501 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2502 static void check_remoting_args(const func_t *func)
2503 {
2504 const char *funcname = func->def->name;
2505 const var_t *arg;
2506
2507 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2508 {
2509 int ptr_level = 0;
2510 const type_t *type = arg->type;
2511
2512 /* get pointer level and fundamental type for the argument */
2513 for (;;)
2514 {
2515 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2516 break;
2517 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2518 break;
2519 if (type->kind == TKIND_ALIAS)
2520 type = type->orig;
2521 else if (is_ptr(type))
2522 {
2523 ptr_level++;
2524 type = type->ref;
2525 }
2526 else
2527 break;
2528 }
2529
2530 /* check that [out] parameters have enough pointer levels */
2531 if (is_attr(arg->attrs, ATTR_OUT))
2532 {
2533 if (!is_array(type))
2534 {
2535 if (!ptr_level)
2536 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2537 if (type->type == RPC_FC_IP && ptr_level == 1)
2538 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2539 }
2540 }
2541
2542 check_field_common(func->def->type, funcname, arg);
2543 }
2544 }
2545
2546 static void add_explicit_handle_if_necessary(func_t *func)
2547 {
2548 const var_t* explicit_handle_var;
2549 const var_t* explicit_generic_handle_var = NULL;
2550 const var_t* context_handle_var = NULL;
2551
2552 /* check for a defined binding handle */
2553 explicit_handle_var = get_explicit_handle_var(func);
2554 if (!explicit_handle_var)
2555 {
2556 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2557 if (!explicit_generic_handle_var)
2558 {
2559 context_handle_var = get_context_handle_var(func);
2560 if (!context_handle_var)
2561 {
2562 /* no explicit handle specified so add
2563 * "[in] handle_t IDL_handle" as the first parameter to the
2564 * function */
2565 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2566 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2567 idl_handle->type = find_type_or_error("handle_t", 0);
2568 if (!func->def->type->fields_or_args)
2569 {
2570 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2571 list_init( func->def->type->fields_or_args );
2572 }
2573 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2574 func->args = func->def->type->fields_or_args;
2575 }
2576 }
2577 }
2578 }
2579
2580 static void check_functions(const type_t *iface)
2581 {
2582 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2583 {
2584 func_t *func;
2585 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2586 add_explicit_handle_if_necessary(func);
2587 }
2588 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2589 {
2590 const func_t *func;
2591 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2592 {
2593 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2594 check_remoting_args(func);
2595 }
2596 }
2597 }
2598
2599 static void check_all_user_types(const statement_list_t *stmts)
2600 {
2601 const statement_t *stmt;
2602
2603 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2604 {
2605 if (stmt->type == STMT_LIBRARY)
2606 check_all_user_types(stmt->u.lib->stmts);
2607 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2608 {
2609 const func_t *f;
2610 const func_list_t *fs = stmt->u.type->funcs;
2611 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2612 check_for_additional_prototype_types(f->args);
2613 }
2614 }
2615 }
2616
2617 int is_valid_uuid(const char *s)
2618 {
2619 int i;
2620
2621 for (i = 0; i < 36; ++i)
2622 if (i == 8 || i == 13 || i == 18 || i == 23)
2623 {
2624 if (s[i] != '-')
2625 return FALSE;
2626 }
2627 else
2628 if (!isxdigit(s[i]))
2629 return FALSE;
2630
2631 return s[i] == '\0';
2632 }
2633
2634 static statement_t *make_statement(enum statement_type type)
2635 {
2636 statement_t *stmt = xmalloc(sizeof(*stmt));
2637 stmt->type = type;
2638 return stmt;
2639 }
2640
2641 static statement_t *make_statement_type_decl(type_t *type)
2642 {
2643 statement_t *stmt = make_statement(STMT_TYPE);
2644 stmt->u.type = type;
2645 return stmt;
2646 }
2647
2648 static statement_t *make_statement_reference(type_t *type)
2649 {
2650 statement_t *stmt = make_statement(STMT_TYPEREF);
2651 stmt->u.type = type;
2652 return stmt;
2653 }
2654
2655 static statement_t *make_statement_declaration(var_t *var)
2656 {
2657 statement_t *stmt = make_statement(STMT_DECLARATION);
2658 stmt->u.var = var;
2659 if (var->stgclass == STG_EXTERN && var->eval)
2660 warning("'%s' initialised and declared extern\n", var->name);
2661 if (is_const_decl(var))
2662 {
2663 if (var->eval)
2664 reg_const(var);
2665 }
2666 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2667 var->type->type != RPC_FC_FUNCTION)
2668 error_loc("instantiation of data is illegal\n");
2669 return stmt;
2670 }
2671
2672 static statement_t *make_statement_library(typelib_t *typelib)
2673 {
2674 statement_t *stmt = make_statement(STMT_LIBRARY);
2675 stmt->u.lib = typelib;
2676 return stmt;
2677 }
2678
2679 static statement_t *make_statement_cppquote(const char *str)
2680 {
2681 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2682 stmt->u.str = str;
2683 return stmt;
2684 }
2685
2686 static statement_t *make_statement_importlib(const char *str)
2687 {
2688 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2689 stmt->u.str = str;
2690 return stmt;
2691 }
2692
2693 static statement_t *make_statement_import(const char *str)
2694 {
2695 statement_t *stmt = make_statement(STMT_IMPORT);
2696 stmt->u.str = str;
2697 return stmt;
2698 }
2699
2700 static statement_t *make_statement_module(type_t *type)
2701 {
2702 statement_t *stmt = make_statement(STMT_MODULE);
2703 stmt->u.type = type;
2704 return stmt;
2705 }
2706
2707 static statement_t *process_typedefs(declarator_list_t *decls)
2708 {
2709 declarator_t *decl, *next;
2710 statement_t *stmt;
2711 type_list_t **type_list;
2712
2713 if (!decls) return NULL;
2714
2715 stmt = make_statement(STMT_TYPEDEF);
2716 stmt->u.type_list = NULL;
2717 type_list = &stmt->u.type_list;
2718
2719 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2720 {
2721 var_t *var = decl->var;
2722 type_t *type = find_type_or_error(var->name, 0);
2723 *type_list = xmalloc(sizeof(type_list_t));
2724 (*type_list)->type = type;
2725 (*type_list)->next = NULL;
2726
2727 if (! parse_only && do_header)
2728 write_typedef(type);
2729 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2730 add_typelib_entry(type);
2731
2732 type_list = &(*type_list)->next;
2733 free(decl);
2734 free(var);
2735 }
2736
2737 return stmt;
2738 }
2739
2740 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2741 {
2742 if (!stmt) return list;
2743 if (!list)
2744 {
2745 list = xmalloc( sizeof(*list) );
2746 list_init( list );
2747 }
2748 list_add_tail( list, &stmt->entry );
2749 return list;
2750 }
2751
2752 static func_list_t *append_func_from_statement(func_list_t *list, statement_t *stmt)
2753 {
2754 if (stmt->type == STMT_DECLARATION)
2755 {
2756 var_t *var = stmt->u.var;
2757 if (var->stgclass == STG_NONE && var->type->type == RPC_FC_FUNCTION)
2758 {
2759 check_function_attrs(var->name, var->type->attrs);
2760 return append_func(list, make_func(stmt->u.var));
2761 }
2762 }
2763 return list;
2764 }
2765
2766 void init_loc_info(loc_info_t *i)
2767 {
2768 i->input_name = input_name ? input_name : "stdin";
2769 i->line_number = line_number;
2770 i->near_text = parser_text;
2771 }
2772
2773 static void check_def(const type_t *t)
2774 {
2775 if (t->defined)
2776 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2777 t->name, t->loc_info.input_name, t->loc_info.line_number);
2778 }