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widl: Allow pointer attributes to be applied to function pointers.
[wine/gsoc_dplay.git] / tools / widl / parser.y
blob6d5f497c39d3ce34b0b33200ea231b3d34429920
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_object_interface = FALSE;
72 /* are we inside a library block? */
73 static int is_inside_library = FALSE;
74
75 typedef struct list typelist_t;
76 struct typenode {
77 type_t *type;
78 struct list entry;
79 };
80
81 struct _import_t
82 {
83 char *name;
84 int import_performed;
85 };
86
87 typelist_t incomplete_types = LIST_INIT(incomplete_types);
88
89 static void add_incomplete(type_t *t);
90 static void fix_incomplete(void);
91
92 static str_list_t *append_str(str_list_t *list, char *str);
93 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
94 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
95 static type_t *apply_decl_spec(type_t *type, attr_list_t *list1, attr_list_t *list2);
96 static attr_t *make_attr(enum attr_type type);
97 static attr_t *make_attrv(enum attr_type type, unsigned long val);
98 static attr_t *make_attrp(enum attr_type type, void *val);
99 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
100 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
101 static void set_type(var_t *v, type_t *type, const declarator_t *decl, int top);
102 static var_list_t *set_var_types(attr_list_t *attrs, type_t *type, declarator_list_t *decls);
103 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
104 static ifref_t *make_ifref(type_t *iface);
105 static var_list_t *append_var(var_list_t *list, var_t *var);
106 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
107 static var_t *make_var(char *name);
108 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
109 static declarator_t *make_declarator(var_t *var);
110 static func_list_t *append_func(func_list_t *list, func_t *func);
111 static func_t *make_func(var_t *def);
112 static type_t *make_class(char *name);
113 static type_t *make_safearray(type_t *type);
114 static type_t *make_builtin(char *name);
115 static type_t *make_int(int sign);
116 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
117 static type_t *make_func_type(var_list_t *args);
118 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs);
119 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
120
121 static type_t *reg_type(type_t *type, const char *name, int t);
122 static type_t *reg_typedefs(type_t *type, var_list_t *names, attr_list_t *attrs);
123 static type_t *find_type2(char *name, int t);
124 static type_t *get_type(unsigned char type, char *name, int t);
125 static type_t *get_typev(unsigned char type, var_t *name, int t);
126 static int get_struct_type(var_list_t *fields);
127
128 static var_t *reg_const(var_t *var);
129
130 static void write_libid(const typelib_t *typelib);
131 static void write_clsid(type_t *cls);
132 static void write_diid(type_t *iface);
133 static void write_iid(type_t *iface);
134
135 static int compute_method_indexes(type_t *iface);
136 static char *gen_name(void);
137 static statement_t *process_typedefs(var_list_t *names);
138 static void check_arg(var_t *arg);
139 static void check_functions(const type_t *iface);
140 static void check_all_user_types(const statement_list_t *stmts);
141 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
142 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
143 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
144 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
145 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
146 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
147 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
148 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
149 const char *get_attr_display_name(enum attr_type type);
150 static void add_explicit_handle_if_necessary(func_t *func);
151
152 static statement_t *make_statement(enum statement_type type);
153 static statement_t *make_statement_type_decl(type_t *type);
154 static statement_t *make_statement_reference(type_t *type);
155 static statement_t *make_statement_init_decl(var_t *var);
156 static statement_t *make_statement_extern(var_t *var);
157 static statement_t *make_statement_library(typelib_t *typelib);
158 static statement_t *make_statement_cppquote(const char *str);
159 static statement_t *make_statement_importlib(const char *str);
160 static statement_t *make_statement_module(type_t *type);
161 static statement_t *make_statement_import(const char *str);
162 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
163
164 #define tsENUM 1
165 #define tsSTRUCT 2
166 #define tsUNION 3
167
168 %}
169 %union {
170 attr_t *attr;
171 attr_list_t *attr_list;
172 str_list_t *str_list;
173 expr_t *expr;
174 expr_list_t *expr_list;
175 array_dims_t *array_dims;
176 type_t *type;
177 var_t *var;
178 var_list_t *var_list;
179 declarator_t *declarator;
180 declarator_list_t *declarator_list;
181 func_t *func;
182 func_list_t *func_list;
183 statement_t *statement;
184 statement_list_t *stmt_list;
185 ifref_t *ifref;
186 ifref_list_t *ifref_list;
187 char *str;
188 UUID *uuid;
189 unsigned int num;
190 double dbl;
191 interface_info_t ifinfo;
192 typelib_t *typelib;
193 struct _import_t *import;
194 }
195
196 %token <str> aIDENTIFIER
197 %token <str> aKNOWNTYPE
198 %token <num> aNUM aHEXNUM
199 %token <dbl> aDOUBLE
200 %token <str> aSTRING aWSTRING
201 %token <uuid> aUUID
202 %token aEOF
203 %token SHL SHR
204 %token MEMBERPTR
205 %token EQUALITY INEQUALITY
206 %token GREATEREQUAL LESSEQUAL
207 %token LOGICALOR LOGICALAND
208 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
209 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
210 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
211 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
212 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
213 %token tDEFAULT
214 %token tDEFAULTCOLLELEM
215 %token tDEFAULTVALUE
216 %token tDEFAULTVTABLE
217 %token tDISPLAYBIND
218 %token tDISPINTERFACE
219 %token tDLLNAME tDOUBLE tDUAL
220 %token tENDPOINT
221 %token tENTRY tENUM tERRORSTATUST
222 %token tEXPLICITHANDLE tEXTERN
223 %token tFALSE
224 %token tFASTCALL
225 %token tFLOAT
226 %token tHANDLE
227 %token tHANDLET
228 %token tHELPCONTEXT tHELPFILE
229 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
230 %token tHIDDEN
231 %token tHYPER tID tIDEMPOTENT
232 %token tIIDIS
233 %token tIMMEDIATEBIND
234 %token tIMPLICITHANDLE
235 %token tIMPORT tIMPORTLIB
236 %token tIN tIN_LINE tINLINE
237 %token tINPUTSYNC
238 %token tINT tINT64
239 %token tINTERFACE
240 %token tLCID
241 %token tLENGTHIS tLIBRARY
242 %token tLOCAL
243 %token tLONG
244 %token tMETHODS
245 %token tMODULE
246 %token tNONBROWSABLE
247 %token tNONCREATABLE
248 %token tNONEXTENSIBLE
249 %token tNULL
250 %token tOBJECT tODL tOLEAUTOMATION
251 %token tOPTIONAL
252 %token tOUT
253 %token tPASCAL
254 %token tPOINTERDEFAULT
255 %token tPROPERTIES
256 %token tPROPGET tPROPPUT tPROPPUTREF
257 %token tPTR
258 %token tPUBLIC
259 %token tRANGE
260 %token tREADONLY tREF
261 %token tREQUESTEDIT
262 %token tRESTRICTED
263 %token tRETVAL
264 %token tSAFEARRAY
265 %token tSHORT
266 %token tSIGNED
267 %token tSINGLE
268 %token tSIZEIS tSIZEOF
269 %token tSMALL
270 %token tSOURCE
271 %token tSTDCALL
272 %token tSTRICTCONTEXTHANDLE
273 %token tSTRING tSTRUCT
274 %token tSWITCH tSWITCHIS tSWITCHTYPE
275 %token tTRANSMITAS
276 %token tTRUE
277 %token tTYPEDEF
278 %token tUNION
279 %token tUNIQUE
280 %token tUNSIGNED
281 %token tUUID
282 %token tV1ENUM
283 %token tVARARG
284 %token tVERSION
285 %token tVOID
286 %token tWCHAR tWIREMARSHAL
287
288 %type <attr> attribute type_qualifier function_specifier
289 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list decl_spec_no_type m_decl_spec_no_type
290 %type <str_list> str_list
291 %type <expr> m_expr expr expr_const expr_int_const array
292 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
293 %type <ifinfo> interfacehdr
294 %type <type> inherit interface interfacedef interfacedec
295 %type <type> dispinterface dispinterfacehdr dispinterfacedef
296 %type <type> module modulehdr moduledef
297 %type <type> base_type int_std
298 %type <type> enumdef structdef uniondef
299 %type <type> type decl_spec
300 %type <ifref> coclass_int
301 %type <ifref_list> coclass_ints
302 %type <var> arg ne_union_field union_field s_field case enum constdef externdef
303 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
304 %type <var> m_ident t_ident ident
305 %type <declarator> declarator direct_declarator
306 %type <declarator_list> declarator_list
307 %type <func> funcdef
308 %type <func_list> int_statements dispint_meths
309 %type <type> coclass coclasshdr coclassdef
310 %type <num> pointer_type version
311 %type <str> libraryhdr callconv cppquote importlib import
312 %type <uuid> uuid_string
313 %type <import> import_start
314 %type <typelib> library_start librarydef
315 %type <statement> statement typedef
316 %type <stmt_list> gbl_statements imp_statements
317
318 %left ','
319 %right '?' ':'
320 %left LOGICALOR
321 %left LOGICALAND
322 %left '|'
323 %left '^'
324 %left '&'
325 %left EQUALITY INEQUALITY
326 %left '<' '>' LESSEQUAL GREATEREQUAL
327 %left SHL SHR
328 %left '-' '+'
329 %left '*' '/' '%'
330 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
331 %left '.' MEMBERPTR '[' ']'
332
333 %%
334
335 input: gbl_statements { fix_incomplete();
336 check_all_user_types($1);
337 write_proxies($1);
338 write_client($1);
339 write_server($1);
340 write_dlldata($1);
341 }
342 ;
343
344 gbl_statements: { $$ = NULL; }
345 | gbl_statements interfacedec { $$ = $1; }
346 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
347 | gbl_statements coclass ';' { $$ = $1;
348 reg_type($2, $2->name, 0);
349 if (!parse_only && do_header) write_coclass_forward($2);
350 }
351 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
352 add_typelib_entry($2);
353 reg_type($2, $2->name, 0);
354 if (!parse_only && do_header) write_coclass_forward($2);
355 }
356 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2));
357 add_typelib_entry($2);
358 }
359 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
360 | gbl_statements statement { $$ = append_statement($1, $2); }
361 ;
362
363 imp_statements: { $$ = NULL; }
364 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); if (!parse_only) add_typelib_entry($2); }
365 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); if (!parse_only) add_typelib_entry($2); }
366 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); if (!parse_only && do_header) write_coclass_forward($2); }
367 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
368 if (!parse_only) add_typelib_entry($2);
369 reg_type($2, $2->name, 0);
370 if (!parse_only && do_header) write_coclass_forward($2);
371 }
372 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); if (!parse_only) add_typelib_entry($2); }
373 | imp_statements statement { $$ = append_statement($1, $2); }
374 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
375 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
376 ;
377
378 int_statements: { $$ = NULL; }
379 | int_statements funcdef ';' { $$ = append_func( $1, $2 ); }
380 | int_statements statement { $$ = $1; }
381 ;
382
383 semicolon_opt:
384 | ';'
385 ;
386
387 statement: constdef ';' { $$ = make_statement_init_decl($1);
388 if (!parse_only && do_header) { write_constdef($1); }
389 }
390 | cppquote { $$ = make_statement_cppquote($1); }
391 | enumdef ';' { $$ = make_statement_type_decl($1);
392 if (!parse_only && do_header) {
393 write_type_def_or_decl(header, $1, FALSE, NULL);
394 fprintf(header, ";\n\n");
395 }
396 }
397 | externdef ';' { $$ = make_statement_extern($1);
398 if (!parse_only && do_header) write_externdef($1);
399 }
400 | import { $$ = make_statement_import($1); }
401 | structdef ';' { $$ = make_statement_type_decl($1);
402 if (!parse_only && do_header) {
403 write_type_def_or_decl(header, $1, FALSE, NULL);
404 fprintf(header, ";\n\n");
405 }
406 }
407 | typedef ';' { $$ = $1; }
408 | uniondef ';' { $$ = make_statement_type_decl($1);
409 if (!parse_only && do_header) {
410 write_type_def_or_decl(header, $1, FALSE, NULL);
411 fprintf(header, ";\n\n");
412 }
413 }
414 ;
415
416 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; if (!parse_only && do_header) fprintf(header, "%s\n", $3); }
417 ;
418 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
419 $$ = xmalloc(sizeof(struct _import_t));
420 $$->name = $2;
421 $$->import_performed = do_import($2);
422 if (!$$->import_performed) yychar = aEOF;
423 }
424 ;
425
426 import: import_start imp_statements aEOF { $$ = $1->name;
427 if ($1->import_performed) pop_import();
428 free($1);
429 if (!parse_only && do_header) write_import($$);
430 }
431 ;
432
433 importlib: tIMPORTLIB '(' aSTRING ')'
434 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
435 ;
436
437 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
438 ;
439 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
440 if (!parse_only) start_typelib($$);
441 if (!parse_only && do_header) write_library($$);
442 if (!parse_only && do_idfile) write_libid($$);
443 is_inside_library = TRUE;
444 }
445 ;
446 librarydef: library_start imp_statements '}'
447 semicolon_opt { $$ = $1;
448 $$->stmts = $2;
449 if (!parse_only) end_typelib();
450 is_inside_library = FALSE;
451 }
452 ;
453
454 m_args: { $$ = NULL; }
455 | args
456 ;
457
458 no_args: tVOID { $$ = NULL; }
459 ;
460
461 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
462 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
463 | no_args
464 ;
465
466 /* split into two rules to get bison to resolve a tVOID conflict */
467 arg: attributes decl_spec declarator { $$ = $3->var;
468 $$->attrs = $1;
469 set_type($$, $2, $3, TRUE);
470 free($3);
471 }
472 | decl_spec declarator { $$ = $2->var;
473 set_type($$, $1, $2, TRUE);
474 free($2);
475 }
476 ;
477
478 array: '[' m_expr ']' { $$ = $2; }
479 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
480 ;
481
482 m_attributes: { $$ = NULL; }
483 | attributes
484 ;
485
486 attributes:
487 '[' attrib_list ']' { $$ = $2;
488 if (!$$)
489 error_loc("empty attribute lists unsupported\n");
490 }
491 ;
492
493 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
494 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
495 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
496 ;
497
498 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
499 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
500 ;
501
502 attribute: { $$ = NULL; }
503 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
504 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
505 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
506 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
507 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
508 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
509 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
510 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
511 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
512 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
513 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
514 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
515 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
516 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
517 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
518 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
519 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
520 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
521 | tDUAL { $$ = make_attr(ATTR_DUAL); }
522 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
523 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
524 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
525 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
526 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
527 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
528 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
529 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
530 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
531 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
532 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
533 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
534 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
535 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
536 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
537 | tIN { $$ = make_attr(ATTR_IN); }
538 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
539 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
540 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
541 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
542 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
543 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
544 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
545 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
546 | tODL { $$ = make_attr(ATTR_ODL); }
547 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
548 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
549 | tOUT { $$ = make_attr(ATTR_OUT); }
550 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
551 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
552 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
553 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
554 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
555 | tRANGE '(' expr_int_const ',' expr_int_const ')'
556 { expr_list_t *list = append_expr( NULL, $3 );
557 list = append_expr( list, $5 );
558 $$ = make_attrp(ATTR_RANGE, list); }
559 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
560 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
561 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
562 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
563 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
564 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
565 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
566 | tSTRING { $$ = make_attr(ATTR_STRING); }
567 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
568 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
569 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
570 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
571 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
572 | tVARARG { $$ = make_attr(ATTR_VARARG); }
573 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
574 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
575 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
576 ;
577
578 uuid_string:
579 aUUID
580 | aSTRING { if (!is_valid_uuid($1))
581 error_loc("invalid UUID: %s\n", $1);
582 $$ = parse_uuid($1); }
583 ;
584
585 callconv: tCDECL { $$ = $<str>1; }
586 | tFASTCALL { $$ = $<str>1; }
587 | tPASCAL { $$ = $<str>1; }
588 | tSTDCALL { $$ = $<str>1; }
589 ;
590
591 cases: { $$ = NULL; }
592 | cases case { $$ = append_var( $1, $2 ); }
593 ;
594
595 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
596 $$ = $4; if (!$$) $$ = make_var(NULL);
597 $$->attrs = append_attr( $$->attrs, a );
598 }
599 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
600 $$ = $3; if (!$$) $$ = make_var(NULL);
601 $$->attrs = append_attr( $$->attrs, a );
602 }
603 ;
604
605 constdef: tCONST decl_spec declarator '=' expr_const
606 { $$ = reg_const($3->var);
607 set_type($$, $2, $3, FALSE);
608 $$->eval = $5;
609 free($3);
610 }
611 ;
612
613 enums: { $$ = NULL; }
614 | enum_list ',' { $$ = $1; }
615 | enum_list
616 ;
617
618 enum_list: enum { if (!$1->eval)
619 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
620 $$ = append_var( NULL, $1 );
621 }
622 | enum_list ',' enum { if (!$3->eval)
623 {
624 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
625 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
626 }
627 $$ = append_var( $1, $3 );
628 }
629 ;
630
631 enum: ident '=' expr_int_const { $$ = reg_const($1);
632 $$->eval = $3;
633 $$->type = make_int(0);
634 }
635 | ident { $$ = reg_const($1);
636 $$->type = make_int(0);
637 }
638 ;
639
640 enumdef: tENUM t_ident '{' enums '}' { $$ = get_typev(RPC_FC_ENUM16, $2, tsENUM);
641 $$->kind = TKIND_ENUM;
642 $$->fields_or_args = $4;
643 $$->defined = TRUE;
644 if(in_typelib)
645 add_typelib_entry($$);
646 }
647 ;
648
649 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
650 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
651 ;
652
653 /*
654 exprs: { $$ = make_expr(EXPR_VOID); }
655 | expr_list
656 ;
657
658 expr_list: expr
659 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
660 ;
661 */
662
663 m_expr: { $$ = make_expr(EXPR_VOID); }
664 | expr
665 ;
666
667 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
668 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
669 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
670 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
671 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
672 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
673 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
674 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
675 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
676 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
677 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
678 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
679 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
680 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
681 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
682 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
683 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
684 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
685 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
686 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
687 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
688 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
689 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
690 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
691 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
692 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
693 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
694 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
695 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
696 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
697 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
698 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
699 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
700 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
701 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
702 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
703 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
704 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
705 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
706 | '(' expr ')' { $$ = $2; }
707 ;
708
709 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
710 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
711 ;
712
713 expr_int_const: expr { $$ = $1;
714 if (!$$->is_const)
715 error_loc("expression is not an integer constant\n");
716 }
717 ;
718
719 expr_const: expr { $$ = $1;
720 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
721 error_loc("expression is not constant\n");
722 }
723 ;
724
725 externdef: tEXTERN tCONST decl_spec declarator { $$ = $4->var;
726 set_type($$, $3, $4, FALSE);
727 free($4);
728 }
729 ;
730
731 fields: { $$ = NULL; }
732 | fields field { $$ = append_var_list($1, $2); }
733 ;
734
735 field: m_attributes decl_spec declarator_list ';'
736 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
737 check_field_attrs(first, $1);
738 $$ = set_var_types($1, $2, $3);
739 }
740 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
741 v->type = $2; v->attrs = $1;
742 $$ = append_var(NULL, v);
743 }
744 ;
745
746 ne_union_field:
747 s_field ';' { $$ = $1; }
748 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
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 s_field: m_attributes decl_spec declarator { $$ = $3->var;
759 $$->attrs = check_field_attrs($$->name, $1);
760 set_type($$, $2, $3, FALSE);
761 free($3);
762 }
763 ;
764
765 funcdef:
766 m_attributes decl_spec declarator { var_t *v = $3->var;
767 v->attrs = check_function_attrs(v->name, $1);
768 set_type(v, $2, $3, FALSE);
769 free($3);
770 $$ = make_func(v);
771 }
772 ;
773
774 m_ident: { $$ = NULL; }
775 | ident
776 ;
777
778 t_ident: { $$ = NULL; }
779 | aIDENTIFIER { $$ = make_var($1); }
780 | aKNOWNTYPE { $$ = make_var($1); }
781 ;
782
783 ident: aIDENTIFIER { $$ = make_var($1); }
784 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
785 | aKNOWNTYPE { $$ = make_var($<str>1); }
786 ;
787
788 base_type: tBYTE { $$ = make_builtin($<str>1); }
789 | tWCHAR { $$ = make_builtin($<str>1); }
790 | int_std
791 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
792 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
793 switch ($$->type) {
794 case RPC_FC_CHAR: break;
795 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
796 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
797 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
798 case RPC_FC_HYPER:
799 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
800 {
801 $$ = alias($$, "MIDL_uhyper");
802 $$->sign = 0;
803 }
804 break;
805 default: break;
806 }
807 }
808 | tUNSIGNED { $$ = make_int(-1); }
809 | tFLOAT { $$ = make_builtin($<str>1); }
810 | tSINGLE { $$ = duptype(find_type("float", 0), 1); }
811 | tDOUBLE { $$ = make_builtin($<str>1); }
812 | tBOOLEAN { $$ = make_builtin($<str>1); }
813 | tERRORSTATUST { $$ = make_builtin($<str>1); }
814 | tHANDLET { $$ = make_builtin($<str>1); }
815 ;
816
817 m_int:
818 | tINT
819 ;
820
821 int_std: tINT { $$ = make_builtin($<str>1); }
822 | tSHORT m_int { $$ = make_builtin($<str>1); }
823 | tSMALL { $$ = make_builtin($<str>1); }
824 | tLONG m_int { $$ = make_builtin($<str>1); }
825 | tHYPER m_int { $$ = make_builtin($<str>1); }
826 | tINT64 { $$ = make_builtin($<str>1); }
827 | tCHAR { $$ = make_builtin($<str>1); }
828 ;
829
830 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
831 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
832 if ($$->defined) error_loc("multiple definition error\n");
833 if ($$->kind != TKIND_COCLASS) error_loc("%s was not declared a coclass\n", $2);
834 }
835 ;
836
837 coclasshdr: attributes coclass { $$ = $2;
838 $$->attrs = check_coclass_attrs($2->name, $1);
839 if (!parse_only && do_header)
840 write_coclass($$);
841 if (!parse_only && do_idfile)
842 write_clsid($$);
843 }
844 ;
845
846 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
847 { $$ = $1;
848 $$->ifaces = $3;
849 $$->defined = TRUE;
850 }
851 ;
852
853 coclass_ints: { $$ = NULL; }
854 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
855 ;
856
857 coclass_int:
858 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
859 ;
860
861 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
862 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(0, $2, 0); $$->kind = TKIND_DISPATCH; }
863 ;
864
865 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
866 is_object_interface = TRUE;
867 $$ = $2;
868 if ($$->defined) error_loc("multiple definition error\n");
869 attrs = make_attr(ATTR_DISPINTERFACE);
870 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
871 $$->ref = find_type("IDispatch", 0);
872 if (!$$->ref) error_loc("IDispatch is undefined\n");
873 $$->defined = TRUE;
874 if (!parse_only && do_header) write_forward($$);
875 }
876 ;
877
878 dispint_props: tPROPERTIES ':' { $$ = NULL; }
879 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
880 ;
881
882 dispint_meths: tMETHODS ':' { $$ = NULL; }
883 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
884 ;
885
886 dispinterfacedef: dispinterfacehdr '{'
887 dispint_props
888 dispint_meths
889 '}' { $$ = $1;
890 $$->fields_or_args = $3;
891 $$->funcs = $4;
892 if (!parse_only && do_header) write_dispinterface($$);
893 if (!parse_only && do_idfile) write_diid($$);
894 }
895 | dispinterfacehdr
896 '{' interface ';' '}' { $$ = $1;
897 $$->fields_or_args = $3->fields_or_args;
898 $$->funcs = $3->funcs;
899 if (!parse_only && do_header) write_dispinterface($$);
900 if (!parse_only && do_idfile) write_diid($$);
901 }
902 ;
903
904 inherit: { $$ = NULL; }
905 | ':' aKNOWNTYPE { $$ = find_type2($2, 0); }
906 ;
907
908 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
909 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); $$->kind = TKIND_INTERFACE; }
910 ;
911
912 interfacehdr: attributes interface { $$.interface = $2;
913 $$.old_pointer_default = pointer_default;
914 if (is_attr($1, ATTR_POINTERDEFAULT))
915 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
916 is_object_interface = is_object($1);
917 if ($2->defined) error_loc("multiple definition error\n");
918 $2->attrs = check_iface_attrs($2->name, $1);
919 $2->defined = TRUE;
920 if (!parse_only && do_header) write_forward($2);
921 }
922 ;
923
924 interfacedef: interfacehdr inherit
925 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
926 $$->ref = $2;
927 $$->funcs = $4;
928 check_functions($$);
929 compute_method_indexes($$);
930 if (!parse_only && do_header) write_interface($$);
931 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
932 if (!parse_only && do_idfile) write_iid($$);
933 pointer_default = $1.old_pointer_default;
934 }
935 /* MIDL is able to import the definition of a base class from inside the
936 * definition of a derived class, I'll try to support it with this rule */
937 | interfacehdr ':' aIDENTIFIER
938 '{' import int_statements '}'
939 semicolon_opt { $$ = $1.interface;
940 $$->ref = find_type2($3, 0);
941 if (!$$->ref) error_loc("base class '%s' not found in import\n", $3);
942 $$->funcs = $6;
943 compute_method_indexes($$);
944 if (!parse_only && do_header) write_interface($$);
945 if (!parse_only && local_stubs) write_locals(local_stubs, $$, TRUE);
946 if (!parse_only && do_idfile) write_iid($$);
947 pointer_default = $1.old_pointer_default;
948 }
949 | dispinterfacedef semicolon_opt { $$ = $1; }
950 ;
951
952 interfacedec:
953 interface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
954 | dispinterface ';' { $$ = $1; if (!parse_only && do_header) write_forward($$); }
955 ;
956
957 module: tMODULE aIDENTIFIER { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
958 | tMODULE aKNOWNTYPE { $$ = make_type(0, NULL); $$->name = $2; $$->kind = TKIND_MODULE; }
959 ;
960
961 modulehdr: attributes module { $$ = $2;
962 $$->attrs = check_module_attrs($2->name, $1);
963 }
964 ;
965
966 moduledef: modulehdr '{' int_statements '}'
967 semicolon_opt { $$ = $1;
968 $$->funcs = $3;
969 /* FIXME: if (!parse_only && do_header) write_module($$); */
970 }
971 ;
972
973 function_specifier:
974 tINLINE { $$ = make_attr(ATTR_INLINE); }
975 ;
976
977 type_qualifier:
978 tCONST { $$ = make_attr(ATTR_CONST); }
979 ;
980
981 m_type_qual_list: { $$ = NULL; }
982 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
983 ;
984
985 decl_spec: type m_decl_spec_no_type { $$ = apply_decl_spec($1, $2, NULL); }
986 | decl_spec_no_type type m_decl_spec_no_type
987 { $$ = apply_decl_spec($2, $1, $3); }
988 ;
989
990 m_decl_spec_no_type: { $$ = NULL; }
991 | decl_spec_no_type
992 ;
993
994 decl_spec_no_type:
995 type_qualifier m_decl_spec_no_type { $$ = append_attr($2, $1); }
996 | function_specifier m_decl_spec_no_type { $$ = append_attr($2, $1); }
997 ;
998
999 declarator:
1000 '*' m_type_qual_list declarator %prec PPTR
1001 { $$ = $3; $$->type = append_ptrchain_type($$->type, make_pointer_type(NULL, $2)); }
1002 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
1003 | direct_declarator
1004 ;
1005
1006 direct_declarator:
1007 ident { $$ = make_declarator($1); }
1008 | '(' declarator ')' { $$ = $2; }
1009 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1010 | direct_declarator '(' m_args ')' { $$ = $1;
1011 $$->func_type = append_ptrchain_type($$->type, make_func_type($3));
1012 $$->type = NULL;
1013 }
1014 ;
1015
1016 declarator_list:
1017 declarator { $$ = append_declarator( NULL, $1 ); }
1018 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1019 ;
1020
1021 pointer_type:
1022 tREF { $$ = RPC_FC_RP; }
1023 | tUNIQUE { $$ = RPC_FC_UP; }
1024 | tPTR { $$ = RPC_FC_FP; }
1025 ;
1026
1027 structdef: tSTRUCT t_ident '{' fields '}' { $$ = get_typev(RPC_FC_STRUCT, $2, tsSTRUCT);
1028 /* overwrite RPC_FC_STRUCT with a more exact type */
1029 $$->type = get_struct_type( $4 );
1030 $$->kind = TKIND_RECORD;
1031 $$->fields_or_args = $4;
1032 $$->defined = TRUE;
1033 if(in_typelib)
1034 add_typelib_entry($$);
1035 }
1036 ;
1037
1038 type: tVOID { $$ = duptype(find_type("void", 0), 1); }
1039 | aKNOWNTYPE { $$ = find_type($1, 0); }
1040 | base_type { $$ = $1; }
1041 | enumdef { $$ = $1; }
1042 | tENUM aIDENTIFIER { $$ = find_type2($2, tsENUM); }
1043 | structdef { $$ = $1; }
1044 | tSTRUCT aIDENTIFIER { $$ = get_type(RPC_FC_STRUCT, $2, tsSTRUCT); }
1045 | uniondef { $$ = $1; }
1046 | tUNION aIDENTIFIER { $$ = find_type2($2, tsUNION); }
1047 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1048 ;
1049
1050 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1051 { reg_typedefs($3, $4, check_typedef_attrs($2));
1052 $$ = process_typedefs($4);
1053 }
1054 ;
1055
1056 uniondef: tUNION t_ident '{' ne_union_fields '}'
1057 { $$ = get_typev(RPC_FC_NON_ENCAPSULATED_UNION, $2, tsUNION);
1058 $$->kind = TKIND_UNION;
1059 $$->fields_or_args = $4;
1060 $$->defined = TRUE;
1061 }
1062 | tUNION t_ident
1063 tSWITCH '(' s_field ')'
1064 m_ident '{' cases '}' { var_t *u = $7;
1065 $$ = get_typev(RPC_FC_ENCAPSULATED_UNION, $2, tsUNION);
1066 $$->kind = TKIND_UNION;
1067 if (!u) u = make_var( xstrdup("tagged_union") );
1068 u->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1069 u->type->kind = TKIND_UNION;
1070 u->type->fields_or_args = $9;
1071 u->type->defined = TRUE;
1072 $$->fields_or_args = append_var( $$->fields_or_args, $5 );
1073 $$->fields_or_args = append_var( $$->fields_or_args, u );
1074 $$->defined = TRUE;
1075 }
1076 ;
1077
1078 version:
1079 aNUM { $$ = MAKEVERSION($1, 0); }
1080 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1081 ;
1082
1083 %%
1084
1085 static void decl_builtin(const char *name, unsigned char type)
1086 {
1087 type_t *t = make_type(type, NULL);
1088 t->name = xstrdup(name);
1089 reg_type(t, name, 0);
1090 }
1091
1092 static type_t *make_builtin(char *name)
1093 {
1094 /* NAME is strdup'd in the lexer */
1095 type_t *t = duptype(find_type(name, 0), 0);
1096 t->name = name;
1097 return t;
1098 }
1099
1100 static type_t *make_int(int sign)
1101 {
1102 type_t *t = duptype(find_type("int", 0), 1);
1103
1104 t->sign = sign;
1105 if (sign < 0)
1106 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1107
1108 return t;
1109 }
1110
1111 void init_types(void)
1112 {
1113 decl_builtin("void", 0);
1114 decl_builtin("byte", RPC_FC_BYTE);
1115 decl_builtin("wchar_t", RPC_FC_WCHAR);
1116 decl_builtin("int", RPC_FC_LONG); /* win32 */
1117 decl_builtin("short", RPC_FC_SHORT);
1118 decl_builtin("small", RPC_FC_SMALL);
1119 decl_builtin("long", RPC_FC_LONG);
1120 decl_builtin("hyper", RPC_FC_HYPER);
1121 decl_builtin("__int64", RPC_FC_HYPER);
1122 decl_builtin("char", RPC_FC_CHAR);
1123 decl_builtin("float", RPC_FC_FLOAT);
1124 decl_builtin("double", RPC_FC_DOUBLE);
1125 decl_builtin("boolean", RPC_FC_BYTE);
1126 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1127 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1128 }
1129
1130 static str_list_t *append_str(str_list_t *list, char *str)
1131 {
1132 struct str_list_entry_t *entry;
1133
1134 if (!str) return list;
1135 if (!list)
1136 {
1137 list = xmalloc( sizeof(*list) );
1138 list_init( list );
1139 }
1140 entry = xmalloc( sizeof(*entry) );
1141 entry->str = str;
1142 list_add_tail( list, &entry->entry );
1143 return list;
1144 }
1145
1146 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1147 {
1148 attr_t *attr_existing;
1149 if (!attr) return list;
1150 if (!list)
1151 {
1152 list = xmalloc( sizeof(*list) );
1153 list_init( list );
1154 }
1155 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1156 if (attr_existing->type == attr->type)
1157 {
1158 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1159 /* use the last attribute, like MIDL does */
1160 list_remove(&attr_existing->entry);
1161 break;
1162 }
1163 list_add_tail( list, &attr->entry );
1164 return list;
1165 }
1166
1167 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1168 {
1169 attr_t *attr;
1170 if (!src) return dst;
1171 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1172 if (attr->type == type)
1173 {
1174 list_remove(&attr->entry);
1175 return append_attr(dst, attr);
1176 }
1177 return dst;
1178 }
1179
1180 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1181 {
1182 struct list *entry;
1183
1184 if (!old_list) return new_list;
1185
1186 while ((entry = list_head(old_list)))
1187 {
1188 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1189 list_remove(entry);
1190 new_list = append_attr(new_list, attr);
1191 }
1192 return new_list;
1193 }
1194
1195 static attr_list_t *dupattrs(const attr_list_t *list)
1196 {
1197 attr_list_t *new_list;
1198 const attr_t *attr;
1199
1200 if (!list) return NULL;
1201
1202 new_list = xmalloc( sizeof(*list) );
1203 list_init( new_list );
1204 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1205 {
1206 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1207 *new_attr = *attr;
1208 list_add_tail(new_list, &new_attr->entry);
1209 }
1210 return new_list;
1211 }
1212
1213 static type_t *apply_decl_spec(type_t *type, attr_list_t *list1, attr_list_t *list2)
1214 {
1215 if (list1 || list2)
1216 {
1217 attr_list_t *attrs;
1218 type = duptype(type, 1);
1219 attrs = dupattrs(type->attrs);
1220 attrs = append_attr_list(attrs, list1);
1221 attrs = append_attr_list(attrs, list2);
1222 type->attrs = attrs;
1223 }
1224 return type;
1225 }
1226
1227 static attr_t *make_attr(enum attr_type type)
1228 {
1229 attr_t *a = xmalloc(sizeof(attr_t));
1230 a->type = type;
1231 a->u.ival = 0;
1232 return a;
1233 }
1234
1235 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1236 {
1237 attr_t *a = xmalloc(sizeof(attr_t));
1238 a->type = type;
1239 a->u.ival = val;
1240 return a;
1241 }
1242
1243 static attr_t *make_attrp(enum attr_type type, void *val)
1244 {
1245 attr_t *a = xmalloc(sizeof(attr_t));
1246 a->type = type;
1247 a->u.pval = val;
1248 return a;
1249 }
1250
1251 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1252 {
1253 if (!expr) return list;
1254 if (!list)
1255 {
1256 list = xmalloc( sizeof(*list) );
1257 list_init( list );
1258 }
1259 list_add_tail( list, &expr->entry );
1260 return list;
1261 }
1262
1263 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1264 {
1265 if (!expr) return list;
1266 if (!list)
1267 {
1268 list = xmalloc( sizeof(*list) );
1269 list_init( list );
1270 }
1271 list_add_tail( list, &expr->entry );
1272 return list;
1273 }
1274
1275 static struct list type_pool = LIST_INIT(type_pool);
1276 typedef struct
1277 {
1278 type_t data;
1279 struct list link;
1280 } type_pool_node_t;
1281
1282 type_t *alloc_type(void)
1283 {
1284 type_pool_node_t *node = xmalloc(sizeof *node);
1285 list_add_tail(&type_pool, &node->link);
1286 return &node->data;
1287 }
1288
1289 void set_all_tfswrite(int val)
1290 {
1291 type_pool_node_t *node;
1292 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1293 node->data.tfswrite = val;
1294 }
1295
1296 type_t *make_type(unsigned char type, type_t *ref)
1297 {
1298 type_t *t = alloc_type();
1299 t->name = NULL;
1300 t->kind = TKIND_PRIMITIVE;
1301 t->type = type;
1302 t->ref = ref;
1303 t->attrs = NULL;
1304 t->orig = NULL;
1305 t->funcs = NULL;
1306 t->fields_or_args = NULL;
1307 t->ifaces = NULL;
1308 t->dim = 0;
1309 t->size_is = NULL;
1310 t->length_is = NULL;
1311 t->typestring_offset = 0;
1312 t->ptrdesc = 0;
1313 t->declarray = FALSE;
1314 t->ignore = (parse_only != 0);
1315 t->sign = 0;
1316 t->defined = FALSE;
1317 t->written = FALSE;
1318 t->user_types_registered = FALSE;
1319 t->tfswrite = FALSE;
1320 t->checked = FALSE;
1321 t->typelib_idx = -1;
1322 return t;
1323 }
1324
1325 static type_t *make_func_type(var_list_t *args)
1326 {
1327 type_t *t = make_type(RPC_FC_FUNCTION, NULL);
1328 t->fields_or_args = args;
1329 return t;
1330 }
1331
1332 static type_t *make_pointer_type(type_t *ref, attr_list_t *attrs)
1333 {
1334 type_t *t = make_type(pointer_default, ref);
1335 t->attrs = attrs;
1336 return t;
1337 }
1338
1339 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1340 {
1341 type_t *ptrchain_type;
1342 if (!ptrchain)
1343 return type;
1344 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1345 ;
1346 ptrchain_type->ref = type;
1347 return ptrchain;
1348 }
1349
1350 static void set_type(var_t *v, type_t *type, const declarator_t *decl,
1351 int top)
1352 {
1353 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1354 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1355 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1356 int sizeless, has_varconf;
1357 expr_t *dim;
1358 type_t *atype, **ptype;
1359 array_dims_t *arr = decl ? decl->array : NULL;
1360 type_t *func_type = decl ? decl->func_type : NULL;
1361
1362 if (is_attr(type->attrs, ATTR_INLINE))
1363 {
1364 if (!func_type)
1365 error_loc("inline attribute applied to non-function type\n");
1366 else
1367 {
1368 type_t *t;
1369 /* move inline attribute from return type node to function node */
1370 for (t = func_type; is_ptr(t); t = t->ref)
1371 ;
1372 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1373 }
1374 }
1375
1376 /* add type onto the end of the pointers in pident->type */
1377 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1378
1379 /* the highest level of pointer specified should default to the var's ptr attr
1380 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1381 * pointer_default so we need to fix that up here */
1382 if (!arr)
1383 {
1384 const type_t *ptr = NULL;
1385 /* pointer attributes on the left side of the type belong to the function
1386 * pointer, if one is being declared */
1387 type_t **pt = func_type ? &func_type : &v->type;
1388 for (ptr = *pt; ptr; )
1389 {
1390 if (ptr->kind == TKIND_ALIAS)
1391 ptr = ptr->orig;
1392 else
1393 break;
1394 }
1395 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1396 {
1397 /* duplicate type to avoid changing original type */
1398 *pt = duptype(*pt, 1);
1399 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1400 }
1401 else if (ptr_attr)
1402 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1403 }
1404
1405 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1406 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1407 v->name);
1408
1409 sizeless = FALSE;
1410 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1411 {
1412 if (sizeless)
1413 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1414
1415 if (dim->is_const)
1416 {
1417 unsigned int align = 0;
1418 size_t size = type_memsize(v->type, &align);
1419
1420 if (dim->cval <= 0)
1421 error_loc("%s: array dimension must be positive\n", v->name);
1422
1423 if (0xffffffffuL / size < (unsigned long) dim->cval)
1424 error_loc("%s: total array size is too large\n", v->name);
1425 else if (0xffffuL < size * dim->cval)
1426 v->type = make_type(RPC_FC_LGFARRAY, v->type);
1427 else
1428 v->type = make_type(RPC_FC_SMFARRAY, v->type);
1429 }
1430 else
1431 {
1432 sizeless = TRUE;
1433 v->type = make_type(RPC_FC_CARRAY, v->type);
1434 }
1435
1436 v->type->declarray = TRUE;
1437 v->type->dim = dim->cval;
1438 }
1439
1440 ptype = &v->type;
1441 has_varconf = FALSE;
1442 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1443 {
1444 if (dim->type != EXPR_VOID)
1445 {
1446 has_varconf = TRUE;
1447 atype = *ptype = duptype(*ptype, 0);
1448
1449 if (atype->type == RPC_FC_SMFARRAY || atype->type == RPC_FC_LGFARRAY)
1450 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1451
1452 if (atype->type != RPC_FC_CARRAY && !is_ptr(atype))
1453 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1454
1455 atype->type = RPC_FC_CARRAY;
1456 atype->size_is = dim;
1457 }
1458
1459 ptype = &(*ptype)->ref;
1460 if (*ptype == NULL)
1461 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1462 }
1463
1464 ptype = &v->type;
1465 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1466 {
1467 if (dim->type != EXPR_VOID)
1468 {
1469 has_varconf = TRUE;
1470 atype = *ptype = duptype(*ptype, 0);
1471
1472 if (atype->type == RPC_FC_SMFARRAY)
1473 atype->type = RPC_FC_SMVARRAY;
1474 else if (atype->type == RPC_FC_LGFARRAY)
1475 atype->type = RPC_FC_LGVARRAY;
1476 else if (atype->type == RPC_FC_CARRAY)
1477 atype->type = RPC_FC_CVARRAY;
1478 else
1479 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1480
1481 atype->length_is = dim;
1482 }
1483
1484 ptype = &(*ptype)->ref;
1485 if (*ptype == NULL)
1486 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1487 }
1488
1489 if (has_varconf && !last_array(v->type))
1490 {
1491 ptype = &v->type;
1492 for (ptype = &v->type; is_array(*ptype); ptype = &(*ptype)->ref)
1493 {
1494 *ptype = duptype(*ptype, 0);
1495 (*ptype)->type = RPC_FC_BOGUS_ARRAY;
1496 }
1497 }
1498
1499 if (is_array(v->type))
1500 {
1501 const type_t *rt = v->type->ref;
1502 if (is_user_type(rt))
1503 v->type->type = RPC_FC_BOGUS_ARRAY;
1504 else
1505 switch (rt->type)
1506 {
1507 case RPC_FC_BOGUS_STRUCT:
1508 case RPC_FC_NON_ENCAPSULATED_UNION:
1509 case RPC_FC_ENCAPSULATED_UNION:
1510 case RPC_FC_ENUM16:
1511 v->type->type = RPC_FC_BOGUS_ARRAY;
1512 break;
1513 /* FC_RP should be above, but widl overuses these, and will break things. */
1514 case RPC_FC_UP:
1515 case RPC_FC_RP:
1516 if (rt->ref->type == RPC_FC_IP)
1517 v->type->type = RPC_FC_BOGUS_ARRAY;
1518 break;
1519 }
1520 }
1521
1522 /* v->type is currently pointing the the type on the left-side of the
1523 * declaration, so we need to fix this up so that it is the return type of the
1524 * function and make v->type point to the function side of the declaration */
1525 if (func_type)
1526 {
1527 type_t *ft, *t;
1528 type_t *return_type = v->type;
1529 v->type = func_type;
1530 for (ft = v->type; is_ptr(ft); ft = ft->ref)
1531 ;
1532 assert(ft->type == RPC_FC_FUNCTION);
1533 ft->ref = return_type;
1534 /* move calling convention attribute, if present, from pointer nodes to
1535 * function node */
1536 for (t = v->type; is_ptr(t); t = t->ref)
1537 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1538 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1539 {
1540 static char *stdmethodcalltype;
1541 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1542 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1543 }
1544 }
1545 else
1546 {
1547 type_t *t;
1548 for (t = v->type; is_ptr(t); t = t->ref)
1549 if (is_attr(t->attrs, ATTR_CALLCONV))
1550 error_loc("calling convention applied to non-function-pointer type\n");
1551 }
1552 }
1553
1554 static var_list_t *set_var_types(attr_list_t *attrs, type_t *type, declarator_list_t *decls)
1555 {
1556 declarator_t *decl, *next;
1557 var_list_t *var_list = NULL;
1558
1559 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1560 {
1561 var_t *var = decl->var;
1562
1563 var->attrs = attrs;
1564 set_type(var, type, decl, 0);
1565 var_list = append_var(var_list, var);
1566 free(decl);
1567 }
1568 return var_list;
1569 }
1570
1571 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1572 {
1573 if (!iface) return list;
1574 if (!list)
1575 {
1576 list = xmalloc( sizeof(*list) );
1577 list_init( list );
1578 }
1579 list_add_tail( list, &iface->entry );
1580 return list;
1581 }
1582
1583 static ifref_t *make_ifref(type_t *iface)
1584 {
1585 ifref_t *l = xmalloc(sizeof(ifref_t));
1586 l->iface = iface;
1587 l->attrs = NULL;
1588 return l;
1589 }
1590
1591 static var_list_t *append_var(var_list_t *list, var_t *var)
1592 {
1593 if (!var) return list;
1594 if (!list)
1595 {
1596 list = xmalloc( sizeof(*list) );
1597 list_init( list );
1598 }
1599 list_add_tail( list, &var->entry );
1600 return list;
1601 }
1602
1603 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1604 {
1605 if (!vars) return list;
1606 if (!list)
1607 {
1608 list = xmalloc( sizeof(*list) );
1609 list_init( list );
1610 }
1611 list_move_tail( list, vars );
1612 return list;
1613 }
1614
1615 static var_t *make_var(char *name)
1616 {
1617 var_t *v = xmalloc(sizeof(var_t));
1618 v->name = name;
1619 v->type = NULL;
1620 v->attrs = NULL;
1621 v->eval = NULL;
1622 v->loc_info.input_name = input_name ? input_name : "stdin";
1623 v->loc_info.line_number = line_number;
1624 v->loc_info.near_text = parser_text;
1625 return v;
1626 }
1627
1628 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1629 {
1630 if (!d) return list;
1631 if (!list) {
1632 list = xmalloc(sizeof(*list));
1633 list_init(list);
1634 }
1635 list_add_tail(list, &d->entry);
1636 return list;
1637 }
1638
1639 static declarator_t *make_declarator(var_t *var)
1640 {
1641 declarator_t *d = xmalloc(sizeof(*d));
1642 d->var = var;
1643 d->type = NULL;
1644 d->func_type = NULL;
1645 d->array = NULL;
1646 return d;
1647 }
1648
1649 static func_list_t *append_func(func_list_t *list, func_t *func)
1650 {
1651 if (!func) return list;
1652 if (!list)
1653 {
1654 list = xmalloc( sizeof(*list) );
1655 list_init( list );
1656 }
1657 list_add_tail( list, &func->entry );
1658 return list;
1659 }
1660
1661 static func_t *make_func(var_t *def)
1662 {
1663 func_t *f = xmalloc(sizeof(func_t));
1664 f->def = def;
1665 f->args = def->type->fields_or_args;
1666 f->ignore = parse_only;
1667 f->idx = -1;
1668 return f;
1669 }
1670
1671 static type_t *make_class(char *name)
1672 {
1673 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1674 c->name = name;
1675 c->kind = TKIND_COCLASS;
1676 return c;
1677 }
1678
1679 static type_t *make_safearray(type_t *type)
1680 {
1681 type_t *sa = duptype(find_type("SAFEARRAY", 0), 1);
1682 sa->ref = type;
1683 return make_type(pointer_default, sa);
1684 }
1685
1686 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1687 {
1688 typelib_t *typelib = xmalloc(sizeof(*typelib));
1689 typelib->name = xstrdup(name);
1690 typelib->filename = NULL;
1691 typelib->attrs = attrs;
1692 list_init( &typelib->entries );
1693 list_init( &typelib->importlibs );
1694 return typelib;
1695 }
1696
1697 #define HASHMAX 64
1698
1699 static int hash_ident(const char *name)
1700 {
1701 const char *p = name;
1702 int sum = 0;
1703 /* a simple sum hash is probably good enough */
1704 while (*p) {
1705 sum += *p;
1706 p++;
1707 }
1708 return sum & (HASHMAX-1);
1709 }
1710
1711 /***** type repository *****/
1712
1713 struct rtype {
1714 const char *name;
1715 type_t *type;
1716 int t;
1717 struct rtype *next;
1718 };
1719
1720 struct rtype *type_hash[HASHMAX];
1721
1722 static type_t *reg_type(type_t *type, const char *name, int t)
1723 {
1724 struct rtype *nt;
1725 int hash;
1726 if (!name) {
1727 error_loc("registering named type without name\n");
1728 return type;
1729 }
1730 hash = hash_ident(name);
1731 nt = xmalloc(sizeof(struct rtype));
1732 nt->name = name;
1733 nt->type = type;
1734 nt->t = t;
1735 nt->next = type_hash[hash];
1736 type_hash[hash] = nt;
1737 return type;
1738 }
1739
1740 static int is_incomplete(const type_t *t)
1741 {
1742 return !t->defined && (is_struct(t->type) || is_union(t->type));
1743 }
1744
1745 static void add_incomplete(type_t *t)
1746 {
1747 struct typenode *tn = xmalloc(sizeof *tn);
1748 tn->type = t;
1749 list_add_tail(&incomplete_types, &tn->entry);
1750 }
1751
1752 static void fix_type(type_t *t)
1753 {
1754 if (t->kind == TKIND_ALIAS && is_incomplete(t)) {
1755 type_t *ot = t->orig;
1756 fix_type(ot);
1757 t->fields_or_args = ot->fields_or_args;
1758 t->defined = ot->defined;
1759 }
1760 }
1761
1762 static void fix_incomplete(void)
1763 {
1764 struct typenode *tn, *next;
1765
1766 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1767 fix_type(tn->type);
1768 free(tn);
1769 }
1770 }
1771
1772 static type_t *reg_typedefs(type_t *type, declarator_list_t *decls, attr_list_t *attrs)
1773 {
1774 const declarator_t *decl;
1775 int is_str = is_attr(attrs, ATTR_STRING);
1776
1777 if (is_str)
1778 {
1779 type_t *t = type;
1780 unsigned char c;
1781
1782 while (is_ptr(t))
1783 t = t->ref;
1784
1785 c = t->type;
1786 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1787 {
1788 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1789 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1790 decl->var->name);
1791 }
1792 }
1793
1794 /* We must generate names for tagless enum, struct or union.
1795 Typedef-ing a tagless enum, struct or union means we want the typedef
1796 to be included in a library hence the public attribute. */
1797 if ((type->kind == TKIND_ENUM || type->kind == TKIND_RECORD
1798 || type->kind == TKIND_UNION) && ! type->name && ! parse_only)
1799 {
1800 if (! is_attr(attrs, ATTR_PUBLIC))
1801 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1802 type->name = gen_name();
1803 }
1804 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1805 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1806
1807 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1808 {
1809 var_t *name = decl->var;
1810
1811 if (name->name) {
1812 type_t *cur;
1813
1814 /* set the attributes to allow set_type to do some checks on them */
1815 name->attrs = attrs;
1816 set_type(name, type, decl, 0);
1817 cur = alias(name->type, name->name);
1818 cur->attrs = attrs;
1819
1820 if (is_incomplete(cur))
1821 add_incomplete(cur);
1822 reg_type(cur, cur->name, 0);
1823 }
1824 }
1825 return type;
1826 }
1827
1828 type_t *find_type(const char *name, int t)
1829 {
1830 struct rtype *cur = type_hash[hash_ident(name)];
1831 while (cur && (cur->t != t || strcmp(cur->name, name)))
1832 cur = cur->next;
1833 if (!cur) {
1834 error_loc("type '%s' not found\n", name);
1835 return NULL;
1836 }
1837 return cur->type;
1838 }
1839
1840 static type_t *find_type2(char *name, int t)
1841 {
1842 type_t *tp = find_type(name, t);
1843 free(name);
1844 return tp;
1845 }
1846
1847 int is_type(const char *name)
1848 {
1849 struct rtype *cur = type_hash[hash_ident(name)];
1850 while (cur && (cur->t || strcmp(cur->name, name)))
1851 cur = cur->next;
1852 if (cur) return TRUE;
1853 return FALSE;
1854 }
1855
1856 static type_t *get_type(unsigned char type, char *name, int t)
1857 {
1858 struct rtype *cur = NULL;
1859 type_t *tp;
1860 if (name) {
1861 cur = type_hash[hash_ident(name)];
1862 while (cur && (cur->t != t || strcmp(cur->name, name)))
1863 cur = cur->next;
1864 }
1865 if (cur) {
1866 free(name);
1867 return cur->type;
1868 }
1869 tp = make_type(type, NULL);
1870 tp->name = name;
1871 if (!name) return tp;
1872 return reg_type(tp, name, t);
1873 }
1874
1875 static type_t *get_typev(unsigned char type, var_t *name, int t)
1876 {
1877 char *sname = NULL;
1878 if (name) {
1879 sname = name->name;
1880 free(name);
1881 }
1882 return get_type(type, sname, t);
1883 }
1884
1885 static int get_struct_type(var_list_t *fields)
1886 {
1887 int has_pointer = 0;
1888 int has_conformance = 0;
1889 int has_variance = 0;
1890 var_t *field;
1891
1892 if (get_padding(fields))
1893 return RPC_FC_BOGUS_STRUCT;
1894
1895 if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry )
1896 {
1897 type_t *t = field->type;
1898
1899 if (is_user_type(t))
1900 return RPC_FC_BOGUS_STRUCT;
1901
1902 if (is_ptr(t))
1903 {
1904 do
1905 t = t->ref;
1906 while (is_ptr(t));
1907
1908 switch (t->type)
1909 {
1910 case RPC_FC_IP:
1911 case RPC_FC_ENCAPSULATED_UNION:
1912 case RPC_FC_NON_ENCAPSULATED_UNION:
1913 case RPC_FC_BOGUS_STRUCT:
1914 return RPC_FC_BOGUS_STRUCT;
1915 }
1916
1917 has_pointer = 1;
1918 continue;
1919 }
1920
1921 if (field->type->declarray)
1922 {
1923 if (is_string_type(field->attrs, field->type))
1924 {
1925 if (is_conformant_array(field->type))
1926 has_conformance = 1;
1927 has_variance = 1;
1928 continue;
1929 }
1930
1931 if (is_array(field->type->ref))
1932 return RPC_FC_BOGUS_STRUCT;
1933
1934 if (is_conformant_array(field->type))
1935 {
1936 has_conformance = 1;
1937 if (field->type->declarray && list_next(fields, &field->entry))
1938 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1939 field->name);
1940 }
1941 if (field->type->length_is)
1942 has_variance = 1;
1943
1944 t = field->type->ref;
1945 }
1946
1947 switch (t->type)
1948 {
1949 /*
1950 * RPC_FC_BYTE, RPC_FC_STRUCT, etc
1951 * Simple types don't effect the type of struct.
1952 * A struct containing a simple struct is still a simple struct.
1953 * So long as we can block copy the data, we return RPC_FC_STRUCT.
1954 */
1955 case 0: /* void pointer */
1956 case RPC_FC_BYTE:
1957 case RPC_FC_CHAR:
1958 case RPC_FC_SMALL:
1959 case RPC_FC_USMALL:
1960 case RPC_FC_WCHAR:
1961 case RPC_FC_SHORT:
1962 case RPC_FC_USHORT:
1963 case RPC_FC_LONG:
1964 case RPC_FC_ULONG:
1965 case RPC_FC_INT3264:
1966 case RPC_FC_UINT3264:
1967 case RPC_FC_HYPER:
1968 case RPC_FC_FLOAT:
1969 case RPC_FC_DOUBLE:
1970 case RPC_FC_STRUCT:
1971 case RPC_FC_ENUM32:
1972 break;
1973
1974 case RPC_FC_RP:
1975 case RPC_FC_UP:
1976 case RPC_FC_FP:
1977 case RPC_FC_OP:
1978 case RPC_FC_CARRAY:
1979 case RPC_FC_CVARRAY:
1980 case RPC_FC_BOGUS_ARRAY:
1981 has_pointer = 1;
1982 break;
1983
1984 /*
1985 * Propagate member attributes
1986 * a struct should be at least as complex as its member
1987 */
1988 case RPC_FC_CVSTRUCT:
1989 has_conformance = 1;
1990 has_variance = 1;
1991 has_pointer = 1;
1992 break;
1993
1994 case RPC_FC_CPSTRUCT:
1995 has_conformance = 1;
1996 if (list_next( fields, &field->entry ))
1997 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
1998 field->name);
1999 has_pointer = 1;
2000 break;
2001
2002 case RPC_FC_CSTRUCT:
2003 has_conformance = 1;
2004 if (list_next( fields, &field->entry ))
2005 error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n",
2006 field->name);
2007 break;
2008
2009 case RPC_FC_PSTRUCT:
2010 has_pointer = 1;
2011 break;
2012
2013 default:
2014 error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, t->type);
2015 /* fallthru - treat it as complex */
2016
2017 /* as soon as we see one of these these members, it's bogus... */
2018 case RPC_FC_ENCAPSULATED_UNION:
2019 case RPC_FC_NON_ENCAPSULATED_UNION:
2020 case RPC_FC_BOGUS_STRUCT:
2021 case RPC_FC_ENUM16:
2022 return RPC_FC_BOGUS_STRUCT;
2023 }
2024 }
2025
2026 if( has_variance )
2027 {
2028 if ( has_conformance )
2029 return RPC_FC_CVSTRUCT;
2030 else
2031 return RPC_FC_BOGUS_STRUCT;
2032 }
2033 if( has_conformance && has_pointer )
2034 return RPC_FC_CPSTRUCT;
2035 if( has_conformance )
2036 return RPC_FC_CSTRUCT;
2037 if( has_pointer )
2038 return RPC_FC_PSTRUCT;
2039 return RPC_FC_STRUCT;
2040 }
2041
2042 /***** constant repository *****/
2043
2044 struct rconst {
2045 char *name;
2046 var_t *var;
2047 struct rconst *next;
2048 };
2049
2050 struct rconst *const_hash[HASHMAX];
2051
2052 static var_t *reg_const(var_t *var)
2053 {
2054 struct rconst *nc;
2055 int hash;
2056 if (!var->name) {
2057 error_loc("registering constant without name\n");
2058 return var;
2059 }
2060 hash = hash_ident(var->name);
2061 nc = xmalloc(sizeof(struct rconst));
2062 nc->name = var->name;
2063 nc->var = var;
2064 nc->next = const_hash[hash];
2065 const_hash[hash] = nc;
2066 return var;
2067 }
2068
2069 var_t *find_const(const char *name, int f)
2070 {
2071 struct rconst *cur = const_hash[hash_ident(name)];
2072 while (cur && strcmp(cur->name, name))
2073 cur = cur->next;
2074 if (!cur) {
2075 if (f) error_loc("constant '%s' not found\n", name);
2076 return NULL;
2077 }
2078 return cur->var;
2079 }
2080
2081 static void write_libid(const typelib_t *typelib)
2082 {
2083 const UUID *uuid = get_attrp(typelib->attrs, ATTR_UUID);
2084 write_guid(idfile, "LIBID", typelib->name, uuid);
2085 }
2086
2087 static void write_clsid(type_t *cls)
2088 {
2089 const UUID *uuid = get_attrp(cls->attrs, ATTR_UUID);
2090 write_guid(idfile, "CLSID", cls->name, uuid);
2091 }
2092
2093 static void write_diid(type_t *iface)
2094 {
2095 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2096 write_guid(idfile, "DIID", iface->name, uuid);
2097 }
2098
2099 static void write_iid(type_t *iface)
2100 {
2101 const UUID *uuid = get_attrp(iface->attrs, ATTR_UUID);
2102 write_guid(idfile, "IID", iface->name, uuid);
2103 }
2104
2105 static int compute_method_indexes(type_t *iface)
2106 {
2107 int idx;
2108 func_t *f;
2109
2110 if (iface->ref)
2111 idx = compute_method_indexes(iface->ref);
2112 else
2113 idx = 0;
2114
2115 if (!iface->funcs)
2116 return idx;
2117
2118 LIST_FOR_EACH_ENTRY( f, iface->funcs, func_t, entry )
2119 if (! is_callas(f->def->attrs))
2120 f->idx = idx++;
2121
2122 return idx;
2123 }
2124
2125 static char *gen_name(void)
2126 {
2127 static const char format[] = "__WIDL_%s_generated_name_%08lX";
2128 static unsigned long n = 0;
2129 static const char *file_id;
2130 static size_t size;
2131 char *name;
2132
2133 if (! file_id)
2134 {
2135 char *dst = dup_basename(input_name, ".idl");
2136 file_id = dst;
2137
2138 for (; *dst; ++dst)
2139 if (! isalnum((unsigned char) *dst))
2140 *dst = '_';
2141
2142 size = sizeof format - 7 + strlen(file_id) + 8;
2143 }
2144
2145 name = xmalloc(size);
2146 sprintf(name, format, file_id, n++);
2147 return name;
2148 }
2149
2150 struct allowed_attr
2151 {
2152 unsigned int dce_compatible : 1;
2153 unsigned int acf : 1;
2154 unsigned int on_interface : 1;
2155 unsigned int on_function : 1;
2156 unsigned int on_arg : 1;
2157 unsigned int on_type : 1;
2158 unsigned int on_field : 1;
2159 unsigned int on_library : 1;
2160 unsigned int on_dispinterface : 1;
2161 unsigned int on_module : 1;
2162 unsigned int on_coclass : 1;
2163 const char *display_name;
2164 };
2165
2166 struct allowed_attr allowed_attr[] =
2167 {
2168 /* attr { D ACF I Fn ARG T Fi L DI M C <display name> } */
2169 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2170 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2171 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, "async" },
2172 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2173 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2174 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2175 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2176 /* ATTR_CALLCONV */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2177 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2178 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2179 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "context_handle" },
2180 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2181 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "default" },
2182 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2183 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2184 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2185 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2186 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2187 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2188 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2189 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2190 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "entry" },
2191 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2192 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "handle" },
2193 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpcontext" },
2194 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2195 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstring" },
2196 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, "helpstringcontext" },
2197 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2198 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2199 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, "id" },
2200 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2201 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "iid_is" },
2202 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2203 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2204 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "in" },
2205 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2206 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2207 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "length_is" },
2208 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2209 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "local" },
2210 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2211 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2212 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2213 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2214 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2215 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2216 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "optional" },
2217 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "out" },
2218 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2219 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2220 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propget" },
2221 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propput" },
2222 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2223 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "public" },
2224 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, "range" },
2225 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "readonly" },
2226 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2227 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, "restricted" },
2228 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, "retval" },
2229 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "size_is" },
2230 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, "source" },
2231 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2232 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, "string" },
2233 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "switch_is" },
2234 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, "switch_type" },
2235 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "transmit_as" },
2236 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, "uuid" },
2237 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "v1_enum" },
2238 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2239 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2240 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, "wire_marshal" },
2241 };
2242
2243 const char *get_attr_display_name(enum attr_type type)
2244 {
2245 return allowed_attr[type].display_name;
2246 }
2247
2248 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2249 {
2250 const attr_t *attr;
2251 if (!attrs) return attrs;
2252 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2253 {
2254 if (!allowed_attr[attr->type].on_interface)
2255 error_loc("inapplicable attribute %s for interface %s\n",
2256 allowed_attr[attr->type].display_name, name);
2257 }
2258 return attrs;
2259 }
2260
2261 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2262 {
2263 const attr_t *attr;
2264 if (!attrs) return attrs;
2265 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2266 {
2267 if (!allowed_attr[attr->type].on_function)
2268 error_loc("inapplicable attribute %s for function %s\n",
2269 allowed_attr[attr->type].display_name, name);
2270 }
2271 return attrs;
2272 }
2273
2274 static void check_arg(var_t *arg)
2275 {
2276 const type_t *t = arg->type;
2277 const attr_t *attr;
2278
2279 if (t->type == 0 && ! is_var_ptr(arg))
2280 error_loc("argument '%s' has void type\n", arg->name);
2281
2282 if (arg->attrs)
2283 {
2284 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2285 {
2286 if (!allowed_attr[attr->type].on_arg)
2287 error_loc("inapplicable attribute %s for argument %s\n",
2288 allowed_attr[attr->type].display_name, arg->name);
2289 }
2290 }
2291 }
2292
2293 static attr_list_t *check_typedef_attrs(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_type)
2300 error_loc("inapplicable attribute %s for typedef\n",
2301 allowed_attr[attr->type].display_name);
2302 }
2303 return attrs;
2304 }
2305
2306 static attr_list_t *check_field_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_field)
2313 error_loc("inapplicable attribute %s for field %s\n",
2314 allowed_attr[attr->type].display_name, name);
2315 }
2316 return attrs;
2317 }
2318
2319 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2320 {
2321 const attr_t *attr;
2322 if (!attrs) return attrs;
2323 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2324 {
2325 if (!allowed_attr[attr->type].on_library)
2326 error_loc("inapplicable attribute %s for library %s\n",
2327 allowed_attr[attr->type].display_name, name);
2328 }
2329 return attrs;
2330 }
2331
2332 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2333 {
2334 const attr_t *attr;
2335 if (!attrs) return attrs;
2336 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2337 {
2338 if (!allowed_attr[attr->type].on_dispinterface)
2339 error_loc("inapplicable attribute %s for dispinterface %s\n",
2340 allowed_attr[attr->type].display_name, name);
2341 }
2342 return attrs;
2343 }
2344
2345 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2346 {
2347 const attr_t *attr;
2348 if (!attrs) return attrs;
2349 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2350 {
2351 if (!allowed_attr[attr->type].on_module)
2352 error_loc("inapplicable attribute %s for module %s\n",
2353 allowed_attr[attr->type].display_name, name);
2354 }
2355 return attrs;
2356 }
2357
2358 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2359 {
2360 const attr_t *attr;
2361 if (!attrs) return attrs;
2362 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2363 {
2364 if (!allowed_attr[attr->type].on_coclass)
2365 error_loc("inapplicable attribute %s for coclass %s\n",
2366 allowed_attr[attr->type].display_name, name);
2367 }
2368 return attrs;
2369 }
2370
2371 static int is_allowed_conf_type(const type_t *type)
2372 {
2373 switch (type->type)
2374 {
2375 case RPC_FC_CHAR:
2376 case RPC_FC_SMALL:
2377 case RPC_FC_BYTE:
2378 case RPC_FC_USMALL:
2379 case RPC_FC_WCHAR:
2380 case RPC_FC_SHORT:
2381 case RPC_FC_ENUM16:
2382 case RPC_FC_USHORT:
2383 case RPC_FC_LONG:
2384 case RPC_FC_ENUM32:
2385 case RPC_FC_ULONG:
2386 return TRUE;
2387 default:
2388 return FALSE;
2389 }
2390 }
2391
2392 static int is_ptr_guid_type(const type_t *type)
2393 {
2394 unsigned int align = 0;
2395 for (;;)
2396 {
2397 if (type->kind == TKIND_ALIAS)
2398 type = type->orig;
2399 else if (is_ptr(type))
2400 {
2401 type = type->ref;
2402 break;
2403 }
2404 else
2405 return FALSE;
2406 }
2407 return (type_memsize(type, &align) == 16);
2408 }
2409
2410 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2411 {
2412 expr_t *dim;
2413 struct expr_loc expr_loc;
2414 expr_loc.v = arg;
2415 expr_loc.attr = attr_name;
2416 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2417 {
2418 if (dim->type != EXPR_VOID)
2419 {
2420 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2421 if (!is_allowed_conf_type(expr_type))
2422 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2423 attr_name);
2424 }
2425 }
2426 }
2427
2428 static void check_remoting_fields(const var_t *var, type_t *type);
2429
2430 /* checks that properties common to fields and arguments are consistent */
2431 static void check_field_common(const type_t *container_type,
2432 const char *container_name, const var_t *arg)
2433 {
2434 type_t *type = arg->type;
2435 int is_wire_marshal = 0;
2436 int is_context_handle = 0;
2437 const char *container_type_name = NULL;
2438
2439 if (is_struct(container_type->type))
2440 container_type_name = "struct";
2441 else if (is_union(container_type->type))
2442 container_type_name = "union";
2443 else if (container_type->type == RPC_FC_FUNCTION)
2444 container_type_name = "function";
2445
2446 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2447 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2448 error_loc_info(&arg->loc_info,
2449 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2450 arg->name);
2451
2452 if (is_attr(arg->attrs, ATTR_SIZEIS))
2453 {
2454 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2455 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2456 }
2457 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2458 {
2459 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2460 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2461 }
2462 if (is_attr(arg->attrs, ATTR_IIDIS))
2463 {
2464 struct expr_loc expr_loc;
2465 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2466 if (expr->type != EXPR_VOID)
2467 {
2468 const type_t *expr_type;
2469 expr_loc.v = arg;
2470 expr_loc.attr = "iid_is";
2471 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2472 if (!expr_type || !is_ptr_guid_type(expr_type))
2473 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2474 }
2475 }
2476 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2477 {
2478 struct expr_loc expr_loc;
2479 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2480 if (expr->type != EXPR_VOID)
2481 {
2482 const type_t *expr_type;
2483 expr_loc.v = arg;
2484 expr_loc.attr = "switch_is";
2485 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2486 if (!expr_type || !is_allowed_conf_type(expr_type))
2487 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2488 expr_loc.attr);
2489 }
2490 }
2491
2492 /* get fundamental type for the argument */
2493 for (;;)
2494 {
2495 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2496 {
2497 is_wire_marshal = 1;
2498 break;
2499 }
2500 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2501 {
2502 is_context_handle = 1;
2503 break;
2504 }
2505 if (type->kind == TKIND_ALIAS)
2506 type = type->orig;
2507 else if (is_ptr(type) || is_array(type))
2508 type = type->ref;
2509 else
2510 break;
2511 }
2512
2513 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2514 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2515 else if (type->type == RPC_FC_FUNCTION)
2516 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2517 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2518 check_remoting_fields(arg, type);
2519 }
2520
2521 static void check_remoting_fields(const var_t *var, type_t *type)
2522 {
2523 const var_t *field;
2524 const var_list_t *fields = NULL;
2525
2526 if (type->checked)
2527 return;
2528
2529 type->checked = TRUE;
2530
2531 if (is_struct(type->type))
2532 fields = type->fields_or_args;
2533 else if (is_union(type->type))
2534 {
2535 if (type->type == RPC_FC_ENCAPSULATED_UNION)
2536 {
2537 const var_t *uv = LIST_ENTRY(list_tail(type->fields_or_args), const var_t, entry);
2538 fields = uv->type->fields_or_args;
2539 }
2540 else
2541 fields = type->fields_or_args;
2542 }
2543
2544 if (fields) LIST_FOR_EACH_ENTRY( field, type->fields_or_args, const var_t, entry )
2545 if (field->type) check_field_common(type, type->name, field);
2546 }
2547
2548 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2549 static void check_remoting_args(const func_t *func)
2550 {
2551 const char *funcname = func->def->name;
2552 const var_t *arg;
2553
2554 if (func->args) LIST_FOR_EACH_ENTRY( arg, func->args, const var_t, entry )
2555 {
2556 int ptr_level = 0;
2557 const type_t *type = arg->type;
2558
2559 /* get pointer level and fundamental type for the argument */
2560 for (;;)
2561 {
2562 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2563 break;
2564 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2565 break;
2566 if (type->kind == TKIND_ALIAS)
2567 type = type->orig;
2568 else if (is_ptr(type))
2569 {
2570 ptr_level++;
2571 type = type->ref;
2572 }
2573 else
2574 break;
2575 }
2576
2577 /* check that [out] parameters have enough pointer levels */
2578 if (is_attr(arg->attrs, ATTR_OUT))
2579 {
2580 if (!is_array(type))
2581 {
2582 if (!ptr_level)
2583 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2584 if (type->type == RPC_FC_IP && ptr_level == 1)
2585 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2586 }
2587 }
2588
2589 check_field_common(func->def->type, funcname, arg);
2590 }
2591 }
2592
2593 static void add_explicit_handle_if_necessary(func_t *func)
2594 {
2595 const var_t* explicit_handle_var;
2596 const var_t* explicit_generic_handle_var = NULL;
2597 const var_t* context_handle_var = NULL;
2598
2599 /* check for a defined binding handle */
2600 explicit_handle_var = get_explicit_handle_var(func);
2601 if (!explicit_handle_var)
2602 {
2603 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2604 if (!explicit_generic_handle_var)
2605 {
2606 context_handle_var = get_context_handle_var(func);
2607 if (!context_handle_var)
2608 {
2609 /* no explicit handle specified so add
2610 * "[in] handle_t IDL_handle" as the first parameter to the
2611 * function */
2612 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2613 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2614 idl_handle->type = find_type("handle_t", 0);
2615 if (!func->def->type->fields_or_args)
2616 {
2617 func->def->type->fields_or_args = xmalloc( sizeof(*func->def->type->fields_or_args) );
2618 list_init( func->def->type->fields_or_args );
2619 }
2620 list_add_head( func->def->type->fields_or_args, &idl_handle->entry );
2621 func->args = func->def->type->fields_or_args;
2622 }
2623 }
2624 }
2625 }
2626
2627 static void check_functions(const type_t *iface)
2628 {
2629 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE) && iface->funcs)
2630 {
2631 func_t *func;
2632 LIST_FOR_EACH_ENTRY( func, iface->funcs, func_t, entry )
2633 add_explicit_handle_if_necessary(func);
2634 }
2635 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2636 {
2637 const func_t *func;
2638 if (iface->funcs) LIST_FOR_EACH_ENTRY( func, iface->funcs, const func_t, entry )
2639 {
2640 if (!is_attr(func->def->attrs, ATTR_LOCAL))
2641 check_remoting_args(func);
2642 }
2643 }
2644 }
2645
2646 static void check_all_user_types(const statement_list_t *stmts)
2647 {
2648 const statement_t *stmt;
2649
2650 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2651 {
2652 if (stmt->type == STMT_LIBRARY)
2653 check_all_user_types(stmt->u.lib->stmts);
2654 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2655 {
2656 const func_t *f;
2657 const func_list_t *fs = stmt->u.type->funcs;
2658 if (fs) LIST_FOR_EACH_ENTRY(f, fs, const func_t, entry)
2659 check_for_additional_prototype_types(f->args);
2660 }
2661 }
2662 }
2663
2664 int is_valid_uuid(const char *s)
2665 {
2666 int i;
2667
2668 for (i = 0; i < 36; ++i)
2669 if (i == 8 || i == 13 || i == 18 || i == 23)
2670 {
2671 if (s[i] != '-')
2672 return FALSE;
2673 }
2674 else
2675 if (!isxdigit(s[i]))
2676 return FALSE;
2677
2678 return s[i] == '\0';
2679 }
2680
2681 static statement_t *make_statement(enum statement_type type)
2682 {
2683 statement_t *stmt = xmalloc(sizeof(*stmt));
2684 stmt->type = type;
2685 return stmt;
2686 }
2687
2688 static statement_t *make_statement_type_decl(type_t *type)
2689 {
2690 statement_t *stmt = make_statement(STMT_TYPE);
2691 stmt->u.type = type;
2692 return stmt;
2693 }
2694
2695 static statement_t *make_statement_reference(type_t *type)
2696 {
2697 statement_t *stmt = make_statement(STMT_TYPEREF);
2698 stmt->u.type = type;
2699 return stmt;
2700 }
2701
2702 static statement_t *make_statement_init_decl(var_t *var)
2703 {
2704 statement_t *stmt = make_statement(STMT_INITDECL);
2705 stmt->u.var = var;
2706 return stmt;
2707 }
2708
2709 static statement_t *make_statement_extern(var_t *var)
2710 {
2711 statement_t *stmt = make_statement(STMT_EXTERN);
2712 stmt->u.var = var;
2713 return stmt;
2714 }
2715
2716 static statement_t *make_statement_library(typelib_t *typelib)
2717 {
2718 statement_t *stmt = make_statement(STMT_LIBRARY);
2719 stmt->u.lib = typelib;
2720 return stmt;
2721 }
2722
2723 static statement_t *make_statement_cppquote(const char *str)
2724 {
2725 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2726 stmt->u.str = str;
2727 return stmt;
2728 }
2729
2730 static statement_t *make_statement_importlib(const char *str)
2731 {
2732 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2733 stmt->u.str = str;
2734 return stmt;
2735 }
2736
2737 static statement_t *make_statement_import(const char *str)
2738 {
2739 statement_t *stmt = make_statement(STMT_IMPORT);
2740 stmt->u.str = str;
2741 return stmt;
2742 }
2743
2744 static statement_t *make_statement_module(type_t *type)
2745 {
2746 statement_t *stmt = make_statement(STMT_MODULE);
2747 stmt->u.type = type;
2748 return stmt;
2749 }
2750
2751 static statement_t *process_typedefs(declarator_list_t *decls)
2752 {
2753 declarator_t *decl, *next;
2754 statement_t *stmt;
2755 type_list_t **type_list;
2756
2757 if (!decls) return NULL;
2758
2759 stmt = make_statement(STMT_TYPEDEF);
2760 stmt->u.type_list = NULL;
2761 type_list = &stmt->u.type_list;
2762
2763 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2764 {
2765 var_t *var = decl->var;
2766 type_t *type = find_type(var->name, 0);
2767 *type_list = xmalloc(sizeof(type_list_t));
2768 (*type_list)->type = type;
2769 (*type_list)->next = NULL;
2770
2771 if (! parse_only && do_header)
2772 write_typedef(type);
2773 if (in_typelib && is_attr(type->attrs, ATTR_PUBLIC))
2774 add_typelib_entry(type);
2775
2776 type_list = &(*type_list)->next;
2777 free(decl);
2778 free(var);
2779 }
2780
2781 return stmt;
2782 }
2783
2784 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2785 {
2786 if (!stmt) return list;
2787 if (!list)
2788 {
2789 list = xmalloc( sizeof(*list) );
2790 list_init( list );
2791 }
2792 list_add_tail( list, &stmt->entry );
2793 return list;
2794 }
DirectPlay implementation for GSoC