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push 7b30519979490489283b8c9fd6a7de5d4bea772e
[wine/hacks.git] / tools / widl / parser.y
blobd5260c1203e8304adfbfe3c4dbe3a96b169f6887
1 %{
2 /*
3 * IDL Compiler
4 *
5 * Copyright 2002 Ove Kaaven
6 * Copyright 2006-2008 Robert Shearman
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 */
22
23 #include "config.h"
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <stdarg.h>
28 #include <assert.h>
29 #include <ctype.h>
30 #include <string.h>
31
32 #include "widl.h"
33 #include "utils.h"
34 #include "parser.h"
35 #include "header.h"
36 #include "typelib.h"
37 #include "typegen.h"
38 #include "expr.h"
39 #include "typetree.h"
40
41 #if defined(YYBYACC)
42 /* Berkeley yacc (byacc) doesn't seem to know about these */
43 /* Some *BSD supplied versions do define these though */
44 # ifndef YYEMPTY
45 # define YYEMPTY (-1) /* Empty lookahead value of yychar */
46 # endif
47 # ifndef YYLEX
48 # define YYLEX yylex()
49 # endif
50
51 #elif defined(YYBISON)
52 /* Bison was used for original development */
53 /* #define YYEMPTY -2 */
54 /* #define YYLEX yylex() */
55
56 #else
57 /* No yacc we know yet */
58 # if !defined(YYEMPTY) || !defined(YYLEX)
59 # error Yacc version/type unknown. This version needs to be verified for settings of YYEMPTY and YYLEX.
60 # elif defined(__GNUC__) /* gcc defines the #warning directive */
61 # warning Yacc version/type unknown. It defines YYEMPTY and YYLEX, but is not tested
62 /* #else we just take a chance that it works... */
63 # endif
64 #endif
65
66 #define YYERROR_VERBOSE
67
68 unsigned char pointer_default = RPC_FC_UP;
69 static int is_object_interface = FALSE;
70
71 typedef struct list typelist_t;
72 struct typenode {
73 type_t *type;
74 struct list entry;
75 };
76
77 struct _import_t
78 {
79 char *name;
80 int import_performed;
81 };
82
83 typedef struct _decl_spec_t
84 {
85 type_t *type;
86 attr_list_t *attrs;
87 enum storage_class stgclass;
88 } decl_spec_t;
89
90 typelist_t incomplete_types = LIST_INIT(incomplete_types);
91
92 static void add_incomplete(type_t *t);
93 static void fix_incomplete(void);
94 static void fix_incomplete_types(type_t *complete_type);
95
96 static str_list_t *append_str(str_list_t *list, char *str);
97 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
98 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
99 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);
100 static attr_t *make_attr(enum attr_type type);
101 static attr_t *make_attrv(enum attr_type type, unsigned long val);
102 static attr_t *make_attrp(enum attr_type type, void *val);
103 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
104 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
105 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl, int top);
106 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
107 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
108 static ifref_t *make_ifref(type_t *iface);
109 static var_list_t *append_var(var_list_t *list, var_t *var);
110 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
111 static var_t *make_var(char *name);
112 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
113 static declarator_t *make_declarator(var_t *var);
114 static func_list_t *append_func(func_list_t *list, func_t *func);
115 static func_t *make_func(var_t *def);
116 static type_t *make_class(char *name);
117 static type_t *make_safearray(type_t *type);
118 static type_t *make_builtin(char *name);
119 static type_t *make_int(int sign);
120 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
121 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
122
123 static type_t *type_new_enum(char *name, var_list_t *enums);
124 static type_t *type_new_struct(char *name, int defined, var_list_t *fields);
125 static type_t *type_new_nonencapsulated_union(char *name, var_list_t *fields);
126 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases);
127
128 static type_t *reg_type(type_t *type, const char *name, int t);
129 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
130 static type_t *find_type_or_error(const char *name, int t);
131 static type_t *find_type_or_error2(char *name, int t);
132 static type_t *get_type(unsigned char type, char *name, int t);
133
134 static var_t *reg_const(var_t *var);
135
136 static char *gen_name(void);
137 static void check_arg(var_t *arg);
138 static void check_statements(const statement_list_t *stmts, int is_inside_library);
139 static void check_all_user_types(const statement_list_t *stmts);
140 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
141 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
142 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
143 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
144 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
145 static attr_list_t *check_union_attrs(attr_list_t *attrs);
146 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
147 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
148 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
149 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
150 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
151 const char *get_attr_display_name(enum attr_type type);
152 static void add_explicit_handle_if_necessary(var_t *func);
153 static void check_def(const type_t *t);
154
155 static statement_t *make_statement(enum statement_type type);
156 static statement_t *make_statement_type_decl(type_t *type);
157 static statement_t *make_statement_reference(type_t *type);
158 static statement_t *make_statement_declaration(var_t *var);
159 static statement_t *make_statement_library(typelib_t *typelib);
160 static statement_t *make_statement_cppquote(const char *str);
161 static statement_t *make_statement_importlib(const char *str);
162 static statement_t *make_statement_module(type_t *type);
163 static statement_t *make_statement_typedef(var_list_t *names);
164 static statement_t *make_statement_import(const char *str);
165 static statement_t *make_statement_typedef(var_list_t *names);
166 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
167
168 #define tsENUM 1
169 #define tsSTRUCT 2
170 #define tsUNION 3
171
172 %}
173 %union {
174 attr_t *attr;
175 attr_list_t *attr_list;
176 str_list_t *str_list;
177 expr_t *expr;
178 expr_list_t *expr_list;
179 array_dims_t *array_dims;
180 type_t *type;
181 var_t *var;
182 var_list_t *var_list;
183 declarator_t *declarator;
184 declarator_list_t *declarator_list;
185 func_t *func;
186 func_list_t *func_list;
187 statement_t *statement;
188 statement_list_t *stmt_list;
189 ifref_t *ifref;
190 ifref_list_t *ifref_list;
191 char *str;
192 UUID *uuid;
193 unsigned int num;
194 double dbl;
195 interface_info_t ifinfo;
196 typelib_t *typelib;
197 struct _import_t *import;
198 struct _decl_spec_t *declspec;
199 enum storage_class stgclass;
200 }
201
202 %token <str> aIDENTIFIER
203 %token <str> aKNOWNTYPE
204 %token <num> aNUM aHEXNUM
205 %token <dbl> aDOUBLE
206 %token <str> aSTRING aWSTRING
207 %token <uuid> aUUID
208 %token aEOF
209 %token SHL SHR
210 %token MEMBERPTR
211 %token EQUALITY INEQUALITY
212 %token GREATEREQUAL LESSEQUAL
213 %token LOGICALOR LOGICALAND
214 %token tAGGREGATABLE tALLOCATE tAPPOBJECT tASYNC tASYNCUUID
215 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
216 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
217 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
218 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
219 %token tDEFAULT
220 %token tDEFAULTCOLLELEM
221 %token tDEFAULTVALUE
222 %token tDEFAULTVTABLE
223 %token tDISPLAYBIND
224 %token tDISPINTERFACE
225 %token tDLLNAME tDOUBLE tDUAL
226 %token tENDPOINT
227 %token tENTRY tENUM tERRORSTATUST
228 %token tEXPLICITHANDLE tEXTERN
229 %token tFALSE
230 %token tFASTCALL
231 %token tFLOAT
232 %token tHANDLE
233 %token tHANDLET
234 %token tHELPCONTEXT tHELPFILE
235 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
236 %token tHIDDEN
237 %token tHYPER tID tIDEMPOTENT
238 %token tIIDIS
239 %token tIMMEDIATEBIND
240 %token tIMPLICITHANDLE
241 %token tIMPORT tIMPORTLIB
242 %token tIN tIN_LINE tINLINE
243 %token tINPUTSYNC
244 %token tINT tINT64
245 %token tINTERFACE
246 %token tLCID
247 %token tLENGTHIS tLIBRARY
248 %token tLOCAL
249 %token tLONG
250 %token tMETHODS
251 %token tMODULE
252 %token tNONBROWSABLE
253 %token tNONCREATABLE
254 %token tNONEXTENSIBLE
255 %token tNULL
256 %token tOBJECT tODL tOLEAUTOMATION
257 %token tOPTIONAL
258 %token tOUT
259 %token tPASCAL
260 %token tPOINTERDEFAULT
261 %token tPROPERTIES
262 %token tPROPGET tPROPPUT tPROPPUTREF
263 %token tPTR
264 %token tPUBLIC
265 %token tRANGE
266 %token tREADONLY tREF
267 %token tREGISTER
268 %token tREQUESTEDIT
269 %token tRESTRICTED
270 %token tRETVAL
271 %token tSAFEARRAY
272 %token tSHORT
273 %token tSIGNED
274 %token tSINGLE
275 %token tSIZEIS tSIZEOF
276 %token tSMALL
277 %token tSOURCE
278 %token tSTATIC
279 %token tSTDCALL
280 %token tSTRICTCONTEXTHANDLE
281 %token tSTRING tSTRUCT
282 %token tSWITCH tSWITCHIS tSWITCHTYPE
283 %token tTRANSMITAS
284 %token tTRUE
285 %token tTYPEDEF
286 %token tUNION
287 %token tUNIQUE
288 %token tUNSIGNED
289 %token tUUID
290 %token tV1ENUM
291 %token tVARARG
292 %token tVERSION
293 %token tVOID
294 %token tWCHAR tWIREMARSHAL
295
296 %type <attr> attribute type_qualifier function_specifier
297 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
298 %type <str_list> str_list
299 %type <expr> m_expr expr expr_const expr_int_const array
300 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
301 %type <ifinfo> interfacehdr
302 %type <stgclass> storage_cls_spec
303 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
304 %type <type> inherit interface interfacedef interfacedec
305 %type <type> dispinterface dispinterfacehdr dispinterfacedef
306 %type <type> module modulehdr moduledef
307 %type <type> base_type int_std
308 %type <type> enumdef structdef uniondef typedecl
309 %type <type> type
310 %type <ifref> coclass_int
311 %type <ifref_list> coclass_ints
312 %type <var> arg ne_union_field union_field s_field case enum declaration
313 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
314 %type <var> m_ident ident
315 %type <declarator> declarator direct_declarator init_declarator
316 %type <declarator_list> declarator_list
317 %type <func> funcdef
318 %type <type> coclass coclasshdr coclassdef
319 %type <num> pointer_type version
320 %type <str> libraryhdr callconv cppquote importlib import t_ident
321 %type <uuid> uuid_string
322 %type <import> import_start
323 %type <typelib> library_start librarydef
324 %type <statement> statement typedef
325 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
326
327 %left ','
328 %right '?' ':'
329 %left LOGICALOR
330 %left LOGICALAND
331 %left '|'
332 %left '^'
333 %left '&'
334 %left EQUALITY INEQUALITY
335 %left '<' '>' LESSEQUAL GREATEREQUAL
336 %left SHL SHR
337 %left '-' '+'
338 %left '*' '/' '%'
339 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
340 %left '.' MEMBERPTR '[' ']'
341
342 %%
343
344 input: gbl_statements { fix_incomplete();
345 check_statements($1, FALSE);
346 check_all_user_types($1);
347 write_header($1);
348 write_id_data($1);
349 write_proxies($1);
350 write_client($1);
351 write_server($1);
352 write_dlldata($1);
353 write_local_stubs($1);
354 }
355 ;
356
357 gbl_statements: { $$ = NULL; }
358 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
359 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
360 | gbl_statements coclass ';' { $$ = $1;
361 reg_type($2, $2->name, 0);
362 }
363 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
364 reg_type($2, $2->name, 0);
365 }
366 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
367 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
368 | gbl_statements statement { $$ = append_statement($1, $2); }
369 ;
370
371 imp_statements: { $$ = NULL; }
372 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
373 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
374 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
375 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
376 reg_type($2, $2->name, 0);
377 }
378 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
379 | imp_statements statement { $$ = append_statement($1, $2); }
380 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
381 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
382 ;
383
384 int_statements: { $$ = NULL; }
385 | int_statements statement { $$ = append_statement($1, $2); }
386 ;
387
388 semicolon_opt:
389 | ';'
390 ;
391
392 statement:
393 cppquote { $$ = make_statement_cppquote($1); }
394 | typedecl ';' { $$ = make_statement_type_decl($1); }
395 | declaration ';' { $$ = make_statement_declaration($1); }
396 | import { $$ = make_statement_import($1); }
397 | typedef ';' { $$ = $1; }
398 ;
399
400 typedecl:
401 enumdef
402 | structdef
403 | uniondef
404 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
405 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
406 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
407 ;
408
409 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
410 ;
411 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
412 $$ = xmalloc(sizeof(struct _import_t));
413 $$->name = $2;
414 $$->import_performed = do_import($2);
415 if (!$$->import_performed) yychar = aEOF;
416 }
417 ;
418
419 import: import_start imp_statements aEOF { $$ = $1->name;
420 if ($1->import_performed) pop_import();
421 free($1);
422 }
423 ;
424
425 importlib: tIMPORTLIB '(' aSTRING ')'
426 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
427 ;
428
429 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
430 ;
431 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
432 if (!parse_only) start_typelib($$);
433 }
434 ;
435 librarydef: library_start imp_statements '}'
436 semicolon_opt { $$ = $1;
437 $$->stmts = $2;
438 if (!parse_only) end_typelib();
439 }
440 ;
441
442 m_args: { $$ = NULL; }
443 | args
444 ;
445
446 no_args: tVOID { $$ = NULL; }
447 ;
448
449 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
450 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
451 | no_args
452 ;
453
454 /* split into two rules to get bison to resolve a tVOID conflict */
455 arg: attributes decl_spec declarator { $$ = $3->var;
456 $$->attrs = $1;
457 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
458 error_loc("invalid storage class for function parameter\n");
459 set_type($$, $2, $3, TRUE);
460 free($3);
461 }
462 | decl_spec declarator { $$ = $2->var;
463 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
464 error_loc("invalid storage class for function parameter\n");
465 set_type($$, $1, $2, TRUE);
466 free($2);
467 }
468 ;
469
470 array: '[' m_expr ']' { $$ = $2; }
471 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
472 ;
473
474 m_attributes: { $$ = NULL; }
475 | attributes
476 ;
477
478 attributes:
479 '[' attrib_list ']' { $$ = $2; }
480 ;
481
482 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
483 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
484 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
485 ;
486
487 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
488 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
489 ;
490
491 attribute: { $$ = NULL; }
492 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
493 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
494 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
495 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
496 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
497 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
498 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
499 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
500 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
501 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
502 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
503 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
504 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
505 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
506 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
507 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
508 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
509 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
510 | tDUAL { $$ = make_attr(ATTR_DUAL); }
511 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
512 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
513 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
514 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
515 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
516 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
517 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
518 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
519 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
520 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
521 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
522 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
523 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
524 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
525 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
526 | tIN { $$ = make_attr(ATTR_IN); }
527 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
528 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
529 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
530 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
531 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
532 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
533 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
534 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
535 | tODL { $$ = make_attr(ATTR_ODL); }
536 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
537 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
538 | tOUT { $$ = make_attr(ATTR_OUT); }
539 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
540 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
541 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
542 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
543 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
544 | tRANGE '(' expr_int_const ',' expr_int_const ')'
545 { expr_list_t *list = append_expr( NULL, $3 );
546 list = append_expr( list, $5 );
547 $$ = make_attrp(ATTR_RANGE, list); }
548 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
549 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
550 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
551 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
552 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
553 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
554 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
555 | tSTRING { $$ = make_attr(ATTR_STRING); }
556 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
557 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
558 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
559 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
560 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
561 | tVARARG { $$ = make_attr(ATTR_VARARG); }
562 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
563 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
564 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
565 ;
566
567 uuid_string:
568 aUUID
569 | aSTRING { if (!is_valid_uuid($1))
570 error_loc("invalid UUID: %s\n", $1);
571 $$ = parse_uuid($1); }
572 ;
573
574 callconv: tCDECL { $$ = $<str>1; }
575 | tFASTCALL { $$ = $<str>1; }
576 | tPASCAL { $$ = $<str>1; }
577 | tSTDCALL { $$ = $<str>1; }
578 ;
579
580 cases: { $$ = NULL; }
581 | cases case { $$ = append_var( $1, $2 ); }
582 ;
583
584 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
585 $$ = $4; if (!$$) $$ = make_var(NULL);
586 $$->attrs = append_attr( $$->attrs, a );
587 }
588 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
589 $$ = $3; if (!$$) $$ = make_var(NULL);
590 $$->attrs = append_attr( $$->attrs, a );
591 }
592 ;
593
594 enums: { $$ = NULL; }
595 | enum_list ',' { $$ = $1; }
596 | enum_list
597 ;
598
599 enum_list: enum { if (!$1->eval)
600 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
601 $$ = append_var( NULL, $1 );
602 }
603 | enum_list ',' enum { if (!$3->eval)
604 {
605 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
606 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
607 }
608 $$ = append_var( $1, $3 );
609 }
610 ;
611
612 enum: ident '=' expr_int_const { $$ = reg_const($1);
613 $$->eval = $3;
614 $$->type = make_int(0);
615 }
616 | ident { $$ = reg_const($1);
617 $$->type = make_int(0);
618 }
619 ;
620
621 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, $4); }
622 ;
623
624 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
625 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
626 ;
627
628 /*
629 exprs: { $$ = make_expr(EXPR_VOID); }
630 | expr_list
631 ;
632
633 expr_list: expr
634 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
635 ;
636 */
637
638 m_expr: { $$ = make_expr(EXPR_VOID); }
639 | expr
640 ;
641
642 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
643 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
644 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
645 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
646 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
647 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
648 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
649 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
650 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
651 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
652 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
653 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
654 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
655 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
656 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
657 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
658 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
659 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
660 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
661 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
662 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
663 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
664 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
665 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
666 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
667 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
668 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
669 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
670 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
671 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
672 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
673 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
674 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
675 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
676 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
677 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
678 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
679 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
680 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
681 | '(' expr ')' { $$ = $2; }
682 ;
683
684 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
685 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
686 ;
687
688 expr_int_const: expr { $$ = $1;
689 if (!$$->is_const)
690 error_loc("expression is not an integer constant\n");
691 }
692 ;
693
694 expr_const: expr { $$ = $1;
695 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
696 error_loc("expression is not constant\n");
697 }
698 ;
699
700 fields: { $$ = NULL; }
701 | fields field { $$ = append_var_list($1, $2); }
702 ;
703
704 field: m_attributes decl_spec declarator_list ';'
705 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
706 check_field_attrs(first, $1);
707 $$ = set_var_types($1, $2, $3);
708 }
709 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
710 v->type = $2; v->attrs = $1;
711 $$ = append_var(NULL, v);
712 }
713 ;
714
715 ne_union_field:
716 s_field ';' { $$ = $1; }
717 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
718 ;
719
720 ne_union_fields: { $$ = NULL; }
721 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
722 ;
723
724 union_field:
725 s_field ';' { $$ = $1; }
726 | ';' { $$ = NULL; }
727 ;
728
729 s_field: m_attributes decl_spec declarator { $$ = $3->var;
730 $$->attrs = check_field_attrs($$->name, $1);
731 set_type($$, $2, $3, FALSE);
732 free($3);
733 }
734 ;
735
736 funcdef:
737 m_attributes decl_spec declarator { var_t *v = $3->var;
738 v->attrs = check_function_attrs(v->name, $1);
739 set_type(v, $2, $3, FALSE);
740 free($3);
741 $$ = make_func(v);
742 }
743 ;
744
745 declaration:
746 attributes decl_spec init_declarator
747 { $$ = $3->var;
748 $$->attrs = $1;
749 set_type($$, $2, $3, FALSE);
750 free($3);
751 }
752 | decl_spec init_declarator { $$ = $2->var;
753 set_type($$, $1, $2, FALSE);
754 free($2);
755 }
756 ;
757
758 m_ident: { $$ = NULL; }
759 | ident
760 ;
761
762 t_ident: { $$ = NULL; }
763 | aIDENTIFIER { $$ = $1; }
764 | aKNOWNTYPE { $$ = $1; }
765 ;
766
767 ident: aIDENTIFIER { $$ = make_var($1); }
768 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
769 | aKNOWNTYPE { $$ = make_var($<str>1); }
770 ;
771
772 base_type: tBYTE { $$ = make_builtin($<str>1); }
773 | tWCHAR { $$ = make_builtin($<str>1); }
774 | int_std
775 | tSIGNED int_std { $$ = $2; $$->sign = 1; }
776 | tUNSIGNED int_std { $$ = $2; $$->sign = -1;
777 switch ($$->type) {
778 case RPC_FC_CHAR: break;
779 case RPC_FC_SMALL: $$->type = RPC_FC_USMALL; break;
780 case RPC_FC_SHORT: $$->type = RPC_FC_USHORT; break;
781 case RPC_FC_LONG: $$->type = RPC_FC_ULONG; break;
782 case RPC_FC_HYPER:
783 if ($$->name[0] == 'h') /* hyper, as opposed to __int64 */
784 {
785 $$ = type_new_alias($$, "MIDL_uhyper");
786 $$->sign = 0;
787 }
788 break;
789 default: break;
790 }
791 }
792 | tUNSIGNED { $$ = make_int(-1); }
793 | tFLOAT { $$ = make_builtin($<str>1); }
794 | tSINGLE { $$ = find_type("float", 0); }
795 | tDOUBLE { $$ = make_builtin($<str>1); }
796 | tBOOLEAN { $$ = make_builtin($<str>1); }
797 | tERRORSTATUST { $$ = make_builtin($<str>1); }
798 | tHANDLET { $$ = make_builtin($<str>1); }
799 ;
800
801 m_int:
802 | tINT
803 ;
804
805 int_std: tINT { $$ = make_builtin($<str>1); }
806 | tSHORT m_int { $$ = make_builtin($<str>1); }
807 | tSMALL { $$ = make_builtin($<str>1); }
808 | tLONG m_int { $$ = make_builtin($<str>1); }
809 | tHYPER m_int { $$ = make_builtin($<str>1); }
810 | tINT64 { $$ = make_builtin($<str>1); }
811 | tCHAR { $$ = make_builtin($<str>1); }
812 ;
813
814 coclass: tCOCLASS aIDENTIFIER { $$ = make_class($2); }
815 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
816 if ($$->type != RPC_FC_COCLASS)
817 error_loc("%s was not declared a coclass at %s:%d\n",
818 $2, $$->loc_info.input_name,
819 $$->loc_info.line_number);
820 }
821 ;
822
823 coclasshdr: attributes coclass { $$ = $2;
824 check_def($$);
825 $$->attrs = check_coclass_attrs($2->name, $1);
826 }
827 ;
828
829 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
830 { $$ = type_coclass_define($1, $3); }
831 ;
832
833 coclass_ints: { $$ = NULL; }
834 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
835 ;
836
837 coclass_int:
838 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
839 ;
840
841 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
842 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
843 ;
844
845 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
846 is_object_interface = TRUE;
847 $$ = $2;
848 check_def($$);
849 attrs = make_attr(ATTR_DISPINTERFACE);
850 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
851 $$->defined = TRUE;
852 }
853 ;
854
855 dispint_props: tPROPERTIES ':' { $$ = NULL; }
856 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
857 ;
858
859 dispint_meths: tMETHODS ':' { $$ = NULL; }
860 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
861 ;
862
863 dispinterfacedef: dispinterfacehdr '{'
864 dispint_props
865 dispint_meths
866 '}' { $$ = $1;
867 type_dispinterface_define($$, $3, $4);
868 }
869 | dispinterfacehdr
870 '{' interface ';' '}' { $$ = $1;
871 type_dispinterface_define_from_iface($$, $3);
872 }
873 ;
874
875 inherit: { $$ = NULL; }
876 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
877 ;
878
879 interface: tINTERFACE aIDENTIFIER { $$ = get_type(RPC_FC_IP, $2, 0); }
880 | tINTERFACE aKNOWNTYPE { $$ = get_type(RPC_FC_IP, $2, 0); }
881 ;
882
883 interfacehdr: attributes interface { $$.interface = $2;
884 $$.old_pointer_default = pointer_default;
885 if (is_attr($1, ATTR_POINTERDEFAULT))
886 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
887 is_object_interface = is_object($1);
888 check_def($2);
889 $2->attrs = check_iface_attrs($2->name, $1);
890 $2->defined = TRUE;
891 }
892 ;
893
894 interfacedef: interfacehdr inherit
895 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
896 type_interface_define($$, $2, $4);
897 pointer_default = $1.old_pointer_default;
898 }
899 /* MIDL is able to import the definition of a base class from inside the
900 * definition of a derived class, I'll try to support it with this rule */
901 | interfacehdr ':' aIDENTIFIER
902 '{' import int_statements '}'
903 semicolon_opt { $$ = $1.interface;
904 type_interface_define($$, find_type_or_error2($3, 0), $6);
905 pointer_default = $1.old_pointer_default;
906 }
907 | dispinterfacedef semicolon_opt { $$ = $1; }
908 ;
909
910 interfacedec:
911 interface ';' { $$ = $1; }
912 | dispinterface ';' { $$ = $1; }
913 ;
914
915 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
916 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
917 ;
918
919 modulehdr: attributes module { $$ = $2;
920 $$->attrs = check_module_attrs($2->name, $1);
921 }
922 ;
923
924 moduledef: modulehdr '{' int_statements '}'
925 semicolon_opt { $$ = $1;
926 type_module_define($$, $3);
927 }
928 ;
929
930 storage_cls_spec:
931 tEXTERN { $$ = STG_EXTERN; }
932 | tSTATIC { $$ = STG_STATIC; }
933 | tREGISTER { $$ = STG_REGISTER; }
934 ;
935
936 function_specifier:
937 tINLINE { $$ = make_attr(ATTR_INLINE); }
938 ;
939
940 type_qualifier:
941 tCONST { $$ = make_attr(ATTR_CONST); }
942 ;
943
944 m_type_qual_list: { $$ = NULL; }
945 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
946 ;
947
948 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
949 | decl_spec_no_type type m_decl_spec_no_type
950 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
951 ;
952
953 m_decl_spec_no_type: { $$ = NULL; }
954 | decl_spec_no_type
955 ;
956
957 decl_spec_no_type:
958 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
959 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
960 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
961 ;
962
963 declarator:
964 '*' m_type_qual_list declarator %prec PPTR
965 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(NULL, $2)); }
966 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
967 | direct_declarator
968 ;
969
970 direct_declarator:
971 ident { $$ = make_declarator($1); }
972 | '(' declarator ')' { $$ = $2; }
973 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
974 | direct_declarator '(' m_args ')' { $$ = $1;
975 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
976 $$->type = NULL;
977 }
978 ;
979
980 declarator_list:
981 declarator { $$ = append_declarator( NULL, $1 ); }
982 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
983 ;
984
985 init_declarator:
986 declarator { $$ = $1; }
987 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
988 ;
989
990 pointer_type:
991 tREF { $$ = RPC_FC_RP; }
992 | tUNIQUE { $$ = RPC_FC_UP; }
993 | tPTR { $$ = RPC_FC_FP; }
994 ;
995
996 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
997 ;
998
999 type: tVOID { $$ = find_type_or_error("void", 0); }
1000 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1001 | base_type { $$ = $1; }
1002 | enumdef { $$ = $1; }
1003 | tENUM aIDENTIFIER { $$ = find_type_or_error2($2, tsENUM); }
1004 | structdef { $$ = $1; }
1005 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1006 | uniondef { $$ = $1; }
1007 | tUNION aIDENTIFIER { $$ = find_type_or_error2($2, tsUNION); }
1008 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1009 ;
1010
1011 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1012 { reg_typedefs($3, $4, check_typedef_attrs($2));
1013 $$ = make_statement_typedef($4);
1014 }
1015 ;
1016
1017 uniondef: tUNION t_ident '{' ne_union_fields '}'
1018 { $$ = type_new_nonencapsulated_union($2, $4); }
1019 | tUNION t_ident
1020 tSWITCH '(' s_field ')'
1021 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1022 ;
1023
1024 version:
1025 aNUM { $$ = MAKEVERSION($1, 0); }
1026 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1027 ;
1028
1029 %%
1030
1031 static void decl_builtin(const char *name, unsigned char type)
1032 {
1033 type_t *t = make_type(type, NULL);
1034 t->name = xstrdup(name);
1035 reg_type(t, name, 0);
1036 }
1037
1038 static type_t *make_builtin(char *name)
1039 {
1040 /* NAME is strdup'd in the lexer */
1041 type_t *t = duptype(find_type_or_error(name, 0), 0);
1042 t->name = name;
1043 return t;
1044 }
1045
1046 static type_t *make_int(int sign)
1047 {
1048 type_t *t = duptype(find_type_or_error("int", 0), 1);
1049
1050 t->sign = sign;
1051 if (sign < 0)
1052 t->type = t->type == RPC_FC_LONG ? RPC_FC_ULONG : RPC_FC_USHORT;
1053
1054 return t;
1055 }
1056
1057 void init_types(void)
1058 {
1059 decl_builtin("void", 0);
1060 decl_builtin("byte", RPC_FC_BYTE);
1061 decl_builtin("wchar_t", RPC_FC_WCHAR);
1062 decl_builtin("int", RPC_FC_LONG); /* win32 */
1063 decl_builtin("short", RPC_FC_SHORT);
1064 decl_builtin("small", RPC_FC_SMALL);
1065 decl_builtin("long", RPC_FC_LONG);
1066 decl_builtin("hyper", RPC_FC_HYPER);
1067 decl_builtin("__int64", RPC_FC_HYPER);
1068 decl_builtin("char", RPC_FC_CHAR);
1069 decl_builtin("float", RPC_FC_FLOAT);
1070 decl_builtin("double", RPC_FC_DOUBLE);
1071 decl_builtin("boolean", RPC_FC_BYTE);
1072 decl_builtin("error_status_t", RPC_FC_ERROR_STATUS_T);
1073 decl_builtin("handle_t", RPC_FC_BIND_PRIMITIVE);
1074 }
1075
1076 static str_list_t *append_str(str_list_t *list, char *str)
1077 {
1078 struct str_list_entry_t *entry;
1079
1080 if (!str) return list;
1081 if (!list)
1082 {
1083 list = xmalloc( sizeof(*list) );
1084 list_init( list );
1085 }
1086 entry = xmalloc( sizeof(*entry) );
1087 entry->str = str;
1088 list_add_tail( list, &entry->entry );
1089 return list;
1090 }
1091
1092 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1093 {
1094 attr_t *attr_existing;
1095 if (!attr) return list;
1096 if (!list)
1097 {
1098 list = xmalloc( sizeof(*list) );
1099 list_init( list );
1100 }
1101 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1102 if (attr_existing->type == attr->type)
1103 {
1104 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1105 /* use the last attribute, like MIDL does */
1106 list_remove(&attr_existing->entry);
1107 break;
1108 }
1109 list_add_tail( list, &attr->entry );
1110 return list;
1111 }
1112
1113 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1114 {
1115 attr_t *attr;
1116 if (!src) return dst;
1117 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1118 if (attr->type == type)
1119 {
1120 list_remove(&attr->entry);
1121 return append_attr(dst, attr);
1122 }
1123 return dst;
1124 }
1125
1126 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1127 {
1128 struct list *entry;
1129
1130 if (!old_list) return new_list;
1131
1132 while ((entry = list_head(old_list)))
1133 {
1134 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1135 list_remove(entry);
1136 new_list = append_attr(new_list, attr);
1137 }
1138 return new_list;
1139 }
1140
1141 static attr_list_t *dupattrs(const attr_list_t *list)
1142 {
1143 attr_list_t *new_list;
1144 const attr_t *attr;
1145
1146 if (!list) return NULL;
1147
1148 new_list = xmalloc( sizeof(*list) );
1149 list_init( new_list );
1150 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1151 {
1152 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1153 *new_attr = *attr;
1154 list_add_tail(new_list, &new_attr->entry);
1155 }
1156 return new_list;
1157 }
1158
1159 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)
1160 {
1161 decl_spec_t *declspec = left ? left : right;
1162 if (!declspec)
1163 {
1164 declspec = xmalloc(sizeof(*declspec));
1165 declspec->type = NULL;
1166 declspec->attrs = NULL;
1167 declspec->stgclass = STG_NONE;
1168 }
1169 declspec->type = type;
1170 if (left && declspec != left)
1171 {
1172 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1173 if (declspec->stgclass == STG_NONE)
1174 declspec->stgclass = left->stgclass;
1175 else if (left->stgclass != STG_NONE)
1176 error_loc("only one storage class can be specified\n");
1177 assert(!left->type);
1178 free(left);
1179 }
1180 if (right && declspec != right)
1181 {
1182 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1183 if (declspec->stgclass == STG_NONE)
1184 declspec->stgclass = right->stgclass;
1185 else if (right->stgclass != STG_NONE)
1186 error_loc("only one storage class can be specified\n");
1187 assert(!right->type);
1188 free(right);
1189 }
1190
1191 declspec->attrs = append_attr(declspec->attrs, attr);
1192 if (declspec->stgclass == STG_NONE)
1193 declspec->stgclass = stgclass;
1194 else if (stgclass != STG_NONE)
1195 error_loc("only one storage class can be specified\n");
1196
1197 /* apply attributes to type */
1198 if (type && declspec->attrs)
1199 {
1200 attr_list_t *attrs;
1201 declspec->type = duptype(type, 1);
1202 attrs = dupattrs(type->attrs);
1203 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1204 declspec->attrs = NULL;
1205 }
1206
1207 return declspec;
1208 }
1209
1210 static attr_t *make_attr(enum attr_type type)
1211 {
1212 attr_t *a = xmalloc(sizeof(attr_t));
1213 a->type = type;
1214 a->u.ival = 0;
1215 return a;
1216 }
1217
1218 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1219 {
1220 attr_t *a = xmalloc(sizeof(attr_t));
1221 a->type = type;
1222 a->u.ival = val;
1223 return a;
1224 }
1225
1226 static attr_t *make_attrp(enum attr_type type, void *val)
1227 {
1228 attr_t *a = xmalloc(sizeof(attr_t));
1229 a->type = type;
1230 a->u.pval = val;
1231 return a;
1232 }
1233
1234 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1235 {
1236 if (!expr) return list;
1237 if (!list)
1238 {
1239 list = xmalloc( sizeof(*list) );
1240 list_init( list );
1241 }
1242 list_add_tail( list, &expr->entry );
1243 return list;
1244 }
1245
1246 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1247 {
1248 if (!expr) return list;
1249 if (!list)
1250 {
1251 list = xmalloc( sizeof(*list) );
1252 list_init( list );
1253 }
1254 list_add_tail( list, &expr->entry );
1255 return list;
1256 }
1257
1258 static struct list type_pool = LIST_INIT(type_pool);
1259 typedef struct
1260 {
1261 type_t data;
1262 struct list link;
1263 } type_pool_node_t;
1264
1265 type_t *alloc_type(void)
1266 {
1267 type_pool_node_t *node = xmalloc(sizeof *node);
1268 list_add_tail(&type_pool, &node->link);
1269 return &node->data;
1270 }
1271
1272 void set_all_tfswrite(int val)
1273 {
1274 type_pool_node_t *node;
1275 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1276 node->data.tfswrite = val;
1277 }
1278
1279 void clear_all_offsets(void)
1280 {
1281 type_pool_node_t *node;
1282 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1283 node->data.typestring_offset = node->data.ptrdesc = 0;
1284 }
1285
1286 type_t *make_type(unsigned char type, type_t *ref)
1287 {
1288 type_t *t = alloc_type();
1289 t->name = NULL;
1290 t->type = type;
1291 t->ref = ref;
1292 t->attrs = NULL;
1293 t->orig = NULL;
1294 memset(&t->details, 0, sizeof(t->details));
1295 t->typestring_offset = 0;
1296 t->ptrdesc = 0;
1297 t->declarray = FALSE;
1298 t->ignore = (parse_only != 0);
1299 t->sign = 0;
1300 t->defined = FALSE;
1301 t->written = FALSE;
1302 t->user_types_registered = FALSE;
1303 t->tfswrite = FALSE;
1304 t->checked = FALSE;
1305 t->is_alias = FALSE;
1306 t->typelib_idx = -1;
1307 init_loc_info(&t->loc_info);
1308 return t;
1309 }
1310
1311 static type_t *type_new_enum(char *name, var_list_t *enums)
1312 {
1313 type_t *t = get_type(RPC_FC_ENUM16, name, tsENUM);
1314 if (enums)
1315 {
1316 t->details.enumeration = xmalloc(sizeof(*t->details.enumeration));
1317 t->details.enumeration->enums = enums;
1318 }
1319 else
1320 t->details.enumeration = NULL;
1321 t->defined = TRUE;
1322 return t;
1323 }
1324
1325 static type_t *type_new_struct(char *name, int defined, var_list_t *fields)
1326 {
1327 type_t *tag_type = name ? find_type(name, tsSTRUCT) : NULL;
1328 type_t *t = make_type(RPC_FC_STRUCT, NULL);
1329 t->name = name;
1330 if (defined || (tag_type && tag_type->details.structure))
1331 {
1332 if (tag_type && tag_type->details.structure)
1333 {
1334 t->details.structure = tag_type->details.structure;
1335 t->type = tag_type->type;
1336 }
1337 else if (defined)
1338 {
1339 t->details.structure = xmalloc(sizeof(*t->details.structure));
1340 t->details.structure->fields = fields;
1341 t->defined = TRUE;
1342 }
1343 }
1344 if (name)
1345 {
1346 if (fields)
1347 reg_type(t, name, tsSTRUCT);
1348 else
1349 add_incomplete(t);
1350 }
1351 return t;
1352 }
1353
1354 static type_t *type_new_nonencapsulated_union(char *name, var_list_t *fields)
1355 {
1356 type_t *t = get_type(RPC_FC_NON_ENCAPSULATED_UNION, name, tsUNION);
1357 t->details.structure = xmalloc(sizeof(*t->details.structure));
1358 t->details.structure->fields = fields;
1359 t->defined = TRUE;
1360 return t;
1361 }
1362
1363 static type_t *type_new_encapsulated_union(char *name, var_t *switch_field, var_t *union_field, var_list_t *cases)
1364 {
1365 type_t *t = get_type(RPC_FC_ENCAPSULATED_UNION, name, tsUNION);
1366 if (!union_field) union_field = make_var( xstrdup("tagged_union") );
1367 union_field->type = make_type(RPC_FC_NON_ENCAPSULATED_UNION, NULL);
1368 union_field->type->details.structure = xmalloc(sizeof(*union_field->type->details.structure));
1369 union_field->type->details.structure->fields = cases;
1370 union_field->type->defined = TRUE;
1371 t->details.structure = xmalloc(sizeof(*t->details.structure));
1372 t->details.structure->fields = append_var( NULL, switch_field );
1373 t->details.structure->fields = append_var( t->details.structure->fields, union_field );
1374 t->defined = TRUE;
1375 return t;
1376 }
1377
1378 static void type_function_add_head_arg(type_t *type, var_t *arg)
1379 {
1380 if (!type->details.function->args)
1381 {
1382 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1383 list_init( type->details.function->args );
1384 }
1385 list_add_head( type->details.function->args, &arg->entry );
1386 }
1387
1388 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1389 {
1390 type_t *ptrchain_type;
1391 if (!ptrchain)
1392 return type;
1393 for (ptrchain_type = ptrchain; ptrchain_type->ref; ptrchain_type = ptrchain_type->ref)
1394 ;
1395 ptrchain_type->ref = type;
1396 return ptrchain;
1397 }
1398
1399 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1400 int top)
1401 {
1402 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1403 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1404 int sizeless;
1405 expr_t *dim;
1406 type_t **ptype;
1407 array_dims_t *arr = decl ? decl->array : NULL;
1408 type_t *func_type = decl ? decl->func_type : NULL;
1409 type_t *type = decl_spec->type;
1410
1411 if (is_attr(type->attrs, ATTR_INLINE))
1412 {
1413 if (!func_type)
1414 error_loc("inline attribute applied to non-function type\n");
1415 else
1416 {
1417 type_t *t;
1418 /* move inline attribute from return type node to function node */
1419 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1420 ;
1421 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1422 }
1423 }
1424
1425 /* add type onto the end of the pointers in pident->type */
1426 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1427 v->stgclass = decl_spec->stgclass;
1428
1429 /* the highest level of pointer specified should default to the var's ptr attr
1430 * or (RPC_FC_RP if not specified and it's a top level ptr), not
1431 * pointer_default so we need to fix that up here */
1432 if (!arr)
1433 {
1434 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1435 const type_t *ptr = NULL;
1436 /* pointer attributes on the left side of the type belong to the function
1437 * pointer, if one is being declared */
1438 type_t **pt = func_type ? &func_type : &v->type;
1439 for (ptr = *pt; ptr && !ptr_attr; )
1440 {
1441 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1442 if (!ptr_attr && type_is_alias(ptr))
1443 ptr = type_alias_get_aliasee(ptr);
1444 else
1445 break;
1446 }
1447 if (ptr && is_ptr(ptr) && (ptr_attr || top))
1448 {
1449 /* duplicate type to avoid changing original type */
1450 *pt = duptype(*pt, 1);
1451 (*pt)->type = ptr_attr ? ptr_attr : RPC_FC_RP;
1452 }
1453 else if (ptr_attr)
1454 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1455 }
1456
1457 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1458 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1459 v->name);
1460
1461 if (is_attr(v->attrs, ATTR_V1ENUM))
1462 {
1463 if (v->type->type == RPC_FC_ENUM16)
1464 v->type->type = RPC_FC_ENUM32;
1465 else
1466 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1467 }
1468
1469 ptype = &v->type;
1470 sizeless = FALSE;
1471 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1472 {
1473 if (sizeless)
1474 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1475
1476 if (dim->is_const)
1477 {
1478 if (dim->cval <= 0)
1479 error_loc("%s: array dimension must be positive\n", v->name);
1480
1481 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1482 if (0)
1483 {
1484 unsigned int align = 0;
1485 unsigned int size = type_memsize(v->type, &align);
1486
1487 if (0xffffffffu / size < dim->cval)
1488 error_loc("%s: total array size is too large\n", v->name);
1489 }
1490 }
1491 else
1492 sizeless = TRUE;
1493
1494 *ptype = type_new_array(NULL, *ptype, TRUE,
1495 dim->is_const ? dim->cval : 0,
1496 dim->is_const ? NULL : dim, NULL);
1497 }
1498
1499 ptype = &v->type;
1500 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1501 {
1502 if (dim->type != EXPR_VOID)
1503 {
1504 if (is_array(*ptype))
1505 {
1506 if (type_array_get_conformance(*ptype)->is_const)
1507 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1508 else
1509 *ptype = type_new_array((*ptype)->name,
1510 type_array_get_element(*ptype), TRUE,
1511 0, dim, NULL);
1512 }
1513 else if (is_ptr(*ptype))
1514 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), FALSE,
1515 0, dim, NULL);
1516 else
1517 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1518 }
1519
1520 ptype = &(*ptype)->ref;
1521 if (*ptype == NULL)
1522 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1523 }
1524
1525 ptype = &v->type;
1526 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1527 {
1528 if (dim->type != EXPR_VOID)
1529 {
1530 if (is_array(*ptype))
1531 {
1532 *ptype = type_new_array((*ptype)->name,
1533 type_array_get_element(*ptype),
1534 (*ptype)->declarray,
1535 type_array_get_dim(*ptype),
1536 type_array_get_conformance(*ptype),
1537 dim);
1538 }
1539 else
1540 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1541 }
1542
1543 ptype = &(*ptype)->ref;
1544 if (*ptype == NULL)
1545 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1546 }
1547
1548 /* v->type is currently pointing to the type on the left-side of the
1549 * declaration, so we need to fix this up so that it is the return type of the
1550 * function and make v->type point to the function side of the declaration */
1551 if (func_type)
1552 {
1553 type_t *ft, *t;
1554 type_t *return_type = v->type;
1555 v->type = func_type;
1556 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1557 ;
1558 assert(ft->type == RPC_FC_FUNCTION);
1559 ft->ref = return_type;
1560 /* move calling convention attribute, if present, from pointer nodes to
1561 * function node */
1562 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1563 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1564 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1565 {
1566 static char *stdmethodcalltype;
1567 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1568 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1569 }
1570 }
1571 else
1572 {
1573 type_t *t;
1574 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1575 if (is_attr(t->attrs, ATTR_CALLCONV))
1576 error_loc("calling convention applied to non-function-pointer type\n");
1577 }
1578 }
1579
1580 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1581 {
1582 declarator_t *decl, *next;
1583 var_list_t *var_list = NULL;
1584
1585 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1586 {
1587 var_t *var = decl->var;
1588
1589 var->attrs = attrs;
1590 set_type(var, decl_spec, decl, 0);
1591 var_list = append_var(var_list, var);
1592 free(decl);
1593 }
1594 return var_list;
1595 }
1596
1597 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1598 {
1599 if (!iface) return list;
1600 if (!list)
1601 {
1602 list = xmalloc( sizeof(*list) );
1603 list_init( list );
1604 }
1605 list_add_tail( list, &iface->entry );
1606 return list;
1607 }
1608
1609 static ifref_t *make_ifref(type_t *iface)
1610 {
1611 ifref_t *l = xmalloc(sizeof(ifref_t));
1612 l->iface = iface;
1613 l->attrs = NULL;
1614 return l;
1615 }
1616
1617 static var_list_t *append_var(var_list_t *list, var_t *var)
1618 {
1619 if (!var) return list;
1620 if (!list)
1621 {
1622 list = xmalloc( sizeof(*list) );
1623 list_init( list );
1624 }
1625 list_add_tail( list, &var->entry );
1626 return list;
1627 }
1628
1629 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1630 {
1631 if (!vars) return list;
1632 if (!list)
1633 {
1634 list = xmalloc( sizeof(*list) );
1635 list_init( list );
1636 }
1637 list_move_tail( list, vars );
1638 return list;
1639 }
1640
1641 static var_t *make_var(char *name)
1642 {
1643 var_t *v = xmalloc(sizeof(var_t));
1644 v->name = name;
1645 v->type = NULL;
1646 v->attrs = NULL;
1647 v->eval = NULL;
1648 v->stgclass = STG_NONE;
1649 init_loc_info(&v->loc_info);
1650 return v;
1651 }
1652
1653 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1654 {
1655 if (!d) return list;
1656 if (!list) {
1657 list = xmalloc(sizeof(*list));
1658 list_init(list);
1659 }
1660 list_add_tail(list, &d->entry);
1661 return list;
1662 }
1663
1664 static declarator_t *make_declarator(var_t *var)
1665 {
1666 declarator_t *d = xmalloc(sizeof(*d));
1667 d->var = var;
1668 d->type = NULL;
1669 d->func_type = NULL;
1670 d->array = NULL;
1671 return d;
1672 }
1673
1674 static func_list_t *append_func(func_list_t *list, func_t *func)
1675 {
1676 if (!func) return list;
1677 if (!list)
1678 {
1679 list = xmalloc( sizeof(*list) );
1680 list_init( list );
1681 }
1682 list_add_tail( list, &func->entry );
1683 return list;
1684 }
1685
1686 static func_t *make_func(var_t *def)
1687 {
1688 func_t *f = xmalloc(sizeof(func_t));
1689 f->def = def;
1690 return f;
1691 }
1692
1693 static type_t *make_class(char *name)
1694 {
1695 type_t *c = make_type(RPC_FC_COCLASS, NULL);
1696 c->name = name;
1697 return c;
1698 }
1699
1700 static type_t *make_safearray(type_t *type)
1701 {
1702 type_t *sa = find_type_or_error("SAFEARRAY", 0);
1703 sa->ref = type;
1704 return make_type(pointer_default, sa);
1705 }
1706
1707 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1708 {
1709 typelib_t *typelib = xmalloc(sizeof(*typelib));
1710 typelib->name = xstrdup(name);
1711 typelib->filename = NULL;
1712 typelib->attrs = attrs;
1713 list_init( &typelib->importlibs );
1714 return typelib;
1715 }
1716
1717 #define HASHMAX 64
1718
1719 static int hash_ident(const char *name)
1720 {
1721 const char *p = name;
1722 int sum = 0;
1723 /* a simple sum hash is probably good enough */
1724 while (*p) {
1725 sum += *p;
1726 p++;
1727 }
1728 return sum & (HASHMAX-1);
1729 }
1730
1731 /***** type repository *****/
1732
1733 struct rtype {
1734 const char *name;
1735 type_t *type;
1736 int t;
1737 struct rtype *next;
1738 };
1739
1740 struct rtype *type_hash[HASHMAX];
1741
1742 static type_t *reg_type(type_t *type, const char *name, int t)
1743 {
1744 struct rtype *nt;
1745 int hash;
1746 if (!name) {
1747 error_loc("registering named type without name\n");
1748 return type;
1749 }
1750 hash = hash_ident(name);
1751 nt = xmalloc(sizeof(struct rtype));
1752 nt->name = name;
1753 nt->type = type;
1754 nt->t = t;
1755 nt->next = type_hash[hash];
1756 type_hash[hash] = nt;
1757 if ((t == tsSTRUCT || t == tsUNION))
1758 fix_incomplete_types(type);
1759 return type;
1760 }
1761
1762 static int is_incomplete(const type_t *t)
1763 {
1764 return !t->defined && (is_struct(t->type) || is_union(t->type));
1765 }
1766
1767 static void add_incomplete(type_t *t)
1768 {
1769 struct typenode *tn = xmalloc(sizeof *tn);
1770 tn->type = t;
1771 list_add_tail(&incomplete_types, &tn->entry);
1772 }
1773
1774 static void fix_type(type_t *t)
1775 {
1776 if (type_is_alias(t) && is_incomplete(t)) {
1777 type_t *ot = type_alias_get_aliasee(t);
1778 fix_type(ot);
1779 if (is_struct(ot->type) || is_union(ot->type))
1780 t->details.structure = ot->details.structure;
1781 t->defined = ot->defined;
1782 }
1783 }
1784
1785 static void fix_incomplete(void)
1786 {
1787 struct typenode *tn, *next;
1788
1789 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1790 fix_type(tn->type);
1791 list_remove(&tn->entry);
1792 free(tn);
1793 }
1794 }
1795
1796 static void fix_incomplete_types(type_t *complete_type)
1797 {
1798 struct typenode *tn, *next;
1799
1800 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1801 {
1802 if (((is_struct(complete_type->type) && is_struct(tn->type->type)) ||
1803 (is_union(complete_type->type) && is_union(tn->type->type))) &&
1804 !strcmp(complete_type->name, tn->type->name))
1805 {
1806 tn->type->details.structure = complete_type->details.structure;
1807 tn->type->type = complete_type->type;
1808 list_remove(&tn->entry);
1809 free(tn);
1810 }
1811 }
1812 }
1813
1814 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1815 {
1816 const declarator_t *decl;
1817 int is_str = is_attr(attrs, ATTR_STRING);
1818 type_t *type = decl_spec->type;
1819
1820 if (is_str)
1821 {
1822 type_t *t = decl_spec->type;
1823 unsigned char c;
1824
1825 while (is_ptr(t))
1826 t = type_pointer_get_ref(t);
1827
1828 c = t->type;
1829 if (c != RPC_FC_CHAR && c != RPC_FC_BYTE && c != RPC_FC_WCHAR)
1830 {
1831 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1832 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1833 decl->var->name);
1834 }
1835 }
1836
1837 /* We must generate names for tagless enum, struct or union.
1838 Typedef-ing a tagless enum, struct or union means we want the typedef
1839 to be included in a library hence the public attribute. */
1840 if ((type->type == RPC_FC_ENUM16 || type->type == RPC_FC_ENUM32 ||
1841 is_struct(type->type) || is_union(type->type)) &&
1842 !type->name && !parse_only)
1843 {
1844 if (! is_attr(attrs, ATTR_PUBLIC))
1845 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1846 type->name = gen_name();
1847 }
1848 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1849 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1850
1851 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1852 {
1853 var_t *name = decl->var;
1854
1855 if (name->name) {
1856 type_t *cur;
1857
1858 cur = find_type(name->name, 0);
1859 if (cur)
1860 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1861 cur->name, cur->loc_info.input_name,
1862 cur->loc_info.line_number);
1863
1864 /* set the attributes to allow set_type to do some checks on them */
1865 name->attrs = attrs;
1866 set_type(name, decl_spec, decl, 0);
1867 cur = type_new_alias(name->type, name->name);
1868 cur->attrs = attrs;
1869
1870 if (is_incomplete(cur))
1871 add_incomplete(cur);
1872 reg_type(cur, cur->name, 0);
1873 }
1874 }
1875 return type;
1876 }
1877
1878 type_t *find_type(const char *name, int t)
1879 {
1880 struct rtype *cur = type_hash[hash_ident(name)];
1881 while (cur && (cur->t != t || strcmp(cur->name, name)))
1882 cur = cur->next;
1883 return cur ? cur->type : NULL;
1884 }
1885
1886 static type_t *find_type_or_error(const char *name, int t)
1887 {
1888 type_t *type = find_type(name, t);
1889 if (!type) {
1890 error_loc("type '%s' not found\n", name);
1891 return NULL;
1892 }
1893 return type;
1894 }
1895
1896 static type_t *find_type_or_error2(char *name, int t)
1897 {
1898 type_t *tp = find_type_or_error(name, t);
1899 free(name);
1900 return tp;
1901 }
1902
1903 int is_type(const char *name)
1904 {
1905 return find_type(name, 0) != NULL;
1906 }
1907
1908 static type_t *get_type(unsigned char type, char *name, int t)
1909 {
1910 type_t *tp;
1911 if (name) {
1912 tp = find_type(name, t);
1913 if (tp) {
1914 free(name);
1915 return tp;
1916 }
1917 }
1918 tp = make_type(type, NULL);
1919 tp->name = name;
1920 if (!name) return tp;
1921 return reg_type(tp, name, t);
1922 }
1923
1924 /***** constant repository *****/
1925
1926 struct rconst {
1927 char *name;
1928 var_t *var;
1929 struct rconst *next;
1930 };
1931
1932 struct rconst *const_hash[HASHMAX];
1933
1934 static var_t *reg_const(var_t *var)
1935 {
1936 struct rconst *nc;
1937 int hash;
1938 if (!var->name) {
1939 error_loc("registering constant without name\n");
1940 return var;
1941 }
1942 hash = hash_ident(var->name);
1943 nc = xmalloc(sizeof(struct rconst));
1944 nc->name = var->name;
1945 nc->var = var;
1946 nc->next = const_hash[hash];
1947 const_hash[hash] = nc;
1948 return var;
1949 }
1950
1951 var_t *find_const(const char *name, int f)
1952 {
1953 struct rconst *cur = const_hash[hash_ident(name)];
1954 while (cur && strcmp(cur->name, name))
1955 cur = cur->next;
1956 if (!cur) {
1957 if (f) error_loc("constant '%s' not found\n", name);
1958 return NULL;
1959 }
1960 return cur->var;
1961 }
1962
1963 static char *gen_name(void)
1964 {
1965 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1966 static unsigned long n = 0;
1967 static const char *file_id;
1968 static size_t size;
1969 char *name;
1970
1971 if (! file_id)
1972 {
1973 char *dst = dup_basename(input_name, ".idl");
1974 file_id = dst;
1975
1976 for (; *dst; ++dst)
1977 if (! isalnum((unsigned char) *dst))
1978 *dst = '_';
1979
1980 size = sizeof format - 7 + strlen(file_id) + 8;
1981 }
1982
1983 name = xmalloc(size);
1984 sprintf(name, format, file_id, n++);
1985 return name;
1986 }
1987
1988 struct allowed_attr
1989 {
1990 unsigned int dce_compatible : 1;
1991 unsigned int acf : 1;
1992 unsigned int on_interface : 1;
1993 unsigned int on_function : 1;
1994 unsigned int on_arg : 1;
1995 unsigned int on_type : 1;
1996 unsigned int on_enum : 1;
1997 unsigned int on_struct : 1;
1998 unsigned int on_union : 1;
1999 unsigned int on_field : 1;
2000 unsigned int on_library : 1;
2001 unsigned int on_dispinterface : 1;
2002 unsigned int on_module : 1;
2003 unsigned int on_coclass : 1;
2004 const char *display_name;
2005 };
2006
2007 struct allowed_attr allowed_attr[] =
2008 {
2009 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2010 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2011 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2012 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2013 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2014 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2015 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2016 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2017 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2018 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2019 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2020 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2021 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2022 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2023 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2024 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2025 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2026 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2027 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2028 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2029 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2030 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2031 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2032 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2033 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2034 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2035 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2036 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2037 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2038 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2039 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2040 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2041 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2042 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2043 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2044 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2045 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2046 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2047 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2048 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2049 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2050 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2051 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2052 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2053 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2054 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2055 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2056 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2057 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2058 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2059 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2060 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2061 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2062 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2063 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2064 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2065 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2066 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2067 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2068 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2069 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2070 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2071 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2072 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2073 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2074 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2075 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2076 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2077 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2078 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2079 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2080 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2081 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2082 };
2083
2084 const char *get_attr_display_name(enum attr_type type)
2085 {
2086 return allowed_attr[type].display_name;
2087 }
2088
2089 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2090 {
2091 const attr_t *attr;
2092 if (!attrs) return attrs;
2093 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2094 {
2095 if (!allowed_attr[attr->type].on_interface)
2096 error_loc("inapplicable attribute %s for interface %s\n",
2097 allowed_attr[attr->type].display_name, name);
2098 }
2099 return attrs;
2100 }
2101
2102 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2103 {
2104 const attr_t *attr;
2105 if (!attrs) return attrs;
2106 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2107 {
2108 if (!allowed_attr[attr->type].on_function)
2109 error_loc("inapplicable attribute %s for function %s\n",
2110 allowed_attr[attr->type].display_name, name);
2111 }
2112 return attrs;
2113 }
2114
2115 static void check_arg(var_t *arg)
2116 {
2117 const type_t *t = arg->type;
2118 const attr_t *attr;
2119
2120 if (t->type == 0 && ! is_var_ptr(arg))
2121 error_loc("argument '%s' has void type\n", arg->name);
2122
2123 if (arg->attrs)
2124 {
2125 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2126 {
2127 if (!allowed_attr[attr->type].on_arg)
2128 error_loc("inapplicable attribute %s for argument %s\n",
2129 allowed_attr[attr->type].display_name, arg->name);
2130 }
2131 }
2132 }
2133
2134 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2135 {
2136 const attr_t *attr;
2137 if (!attrs) return attrs;
2138 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2139 {
2140 if (!allowed_attr[attr->type].on_type)
2141 error_loc("inapplicable attribute %s for typedef\n",
2142 allowed_attr[attr->type].display_name);
2143 }
2144 return attrs;
2145 }
2146
2147 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2148 {
2149 const attr_t *attr;
2150 if (!attrs) return attrs;
2151 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2152 {
2153 if (!allowed_attr[attr->type].on_enum)
2154 error_loc("inapplicable attribute %s for enum\n",
2155 allowed_attr[attr->type].display_name);
2156 }
2157 return attrs;
2158 }
2159
2160 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2161 {
2162 const attr_t *attr;
2163 if (!attrs) return attrs;
2164 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2165 {
2166 if (!allowed_attr[attr->type].on_struct)
2167 error_loc("inapplicable attribute %s for struct\n",
2168 allowed_attr[attr->type].display_name);
2169 }
2170 return attrs;
2171 }
2172
2173 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2174 {
2175 const attr_t *attr;
2176 if (!attrs) return attrs;
2177 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2178 {
2179 if (!allowed_attr[attr->type].on_union)
2180 error_loc("inapplicable attribute %s for union\n",
2181 allowed_attr[attr->type].display_name);
2182 }
2183 return attrs;
2184 }
2185
2186 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2187 {
2188 const attr_t *attr;
2189 if (!attrs) return attrs;
2190 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2191 {
2192 if (!allowed_attr[attr->type].on_field)
2193 error_loc("inapplicable attribute %s for field %s\n",
2194 allowed_attr[attr->type].display_name, name);
2195 }
2196 return attrs;
2197 }
2198
2199 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2200 {
2201 const attr_t *attr;
2202 if (!attrs) return attrs;
2203 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2204 {
2205 if (!allowed_attr[attr->type].on_library)
2206 error_loc("inapplicable attribute %s for library %s\n",
2207 allowed_attr[attr->type].display_name, name);
2208 }
2209 return attrs;
2210 }
2211
2212 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2213 {
2214 const attr_t *attr;
2215 if (!attrs) return attrs;
2216 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2217 {
2218 if (!allowed_attr[attr->type].on_dispinterface)
2219 error_loc("inapplicable attribute %s for dispinterface %s\n",
2220 allowed_attr[attr->type].display_name, name);
2221 }
2222 return attrs;
2223 }
2224
2225 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2226 {
2227 const attr_t *attr;
2228 if (!attrs) return attrs;
2229 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2230 {
2231 if (!allowed_attr[attr->type].on_module)
2232 error_loc("inapplicable attribute %s for module %s\n",
2233 allowed_attr[attr->type].display_name, name);
2234 }
2235 return attrs;
2236 }
2237
2238 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2239 {
2240 const attr_t *attr;
2241 if (!attrs) return attrs;
2242 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2243 {
2244 if (!allowed_attr[attr->type].on_coclass)
2245 error_loc("inapplicable attribute %s for coclass %s\n",
2246 allowed_attr[attr->type].display_name, name);
2247 }
2248 return attrs;
2249 }
2250
2251 static int is_allowed_conf_type(const type_t *type)
2252 {
2253 switch (type->type)
2254 {
2255 case RPC_FC_CHAR:
2256 case RPC_FC_SMALL:
2257 case RPC_FC_BYTE:
2258 case RPC_FC_USMALL:
2259 case RPC_FC_WCHAR:
2260 case RPC_FC_SHORT:
2261 case RPC_FC_ENUM16:
2262 case RPC_FC_USHORT:
2263 case RPC_FC_LONG:
2264 case RPC_FC_ENUM32:
2265 case RPC_FC_ULONG:
2266 return TRUE;
2267 default:
2268 return FALSE;
2269 }
2270 }
2271
2272 static int is_ptr_guid_type(const type_t *type)
2273 {
2274 unsigned int align = 0;
2275
2276 /* first, make sure it is a pointer to something */
2277 if (!is_ptr(type)) return FALSE;
2278
2279 /* second, make sure it is a pointer to something of size sizeof(GUID),
2280 * i.e. 16 bytes */
2281 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2282 }
2283
2284 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2285 {
2286 expr_t *dim;
2287 struct expr_loc expr_loc;
2288 expr_loc.v = arg;
2289 expr_loc.attr = attr_name;
2290 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2291 {
2292 if (dim->type != EXPR_VOID)
2293 {
2294 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2295 if (!is_allowed_conf_type(expr_type))
2296 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2297 attr_name);
2298 }
2299 }
2300 }
2301
2302 static void check_remoting_fields(const var_t *var, type_t *type);
2303
2304 /* checks that properties common to fields and arguments are consistent */
2305 static void check_field_common(const type_t *container_type,
2306 const char *container_name, const var_t *arg)
2307 {
2308 type_t *type = arg->type;
2309 int is_wire_marshal = 0;
2310 int is_context_handle = 0;
2311 const char *container_type_name = NULL;
2312
2313 if (is_struct(container_type->type))
2314 container_type_name = "struct";
2315 else if (is_union(container_type->type))
2316 container_type_name = "union";
2317 else if (container_type->type == RPC_FC_FUNCTION)
2318 container_type_name = "function";
2319
2320 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2321 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2322 error_loc_info(&arg->loc_info,
2323 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2324 arg->name);
2325
2326 if (is_attr(arg->attrs, ATTR_SIZEIS))
2327 {
2328 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2329 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2330 }
2331 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2332 {
2333 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2334 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2335 }
2336 if (is_attr(arg->attrs, ATTR_IIDIS))
2337 {
2338 struct expr_loc expr_loc;
2339 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2340 if (expr->type != EXPR_VOID)
2341 {
2342 const type_t *expr_type;
2343 expr_loc.v = arg;
2344 expr_loc.attr = "iid_is";
2345 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2346 if (!expr_type || !is_ptr_guid_type(expr_type))
2347 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2348 }
2349 }
2350 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2351 {
2352 struct expr_loc expr_loc;
2353 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2354 if (expr->type != EXPR_VOID)
2355 {
2356 const type_t *expr_type;
2357 expr_loc.v = arg;
2358 expr_loc.attr = "switch_is";
2359 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2360 if (!expr_type || !is_allowed_conf_type(expr_type))
2361 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2362 expr_loc.attr);
2363 }
2364 }
2365
2366 /* get fundamental type for the argument */
2367 for (;;)
2368 {
2369 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2370 {
2371 is_wire_marshal = 1;
2372 break;
2373 }
2374 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2375 {
2376 is_context_handle = 1;
2377 break;
2378 }
2379 if (type_is_alias(type))
2380 type = type_alias_get_aliasee(type);
2381 else if (is_ptr(type))
2382 type = type_pointer_get_ref(type);
2383 else if (is_array(type))
2384 type = type_array_get_element(type);
2385 else
2386 break;
2387 }
2388
2389 if (type->type == 0 && !is_attr(arg->attrs, ATTR_IIDIS) && !is_wire_marshal && !is_context_handle)
2390 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n", arg->name, container_type_name, container_name);
2391 else if (type->type == RPC_FC_FUNCTION)
2392 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n", arg->name, container_type_name, container_name);
2393 else if (!is_wire_marshal && (is_struct(type->type) || is_union(type->type)))
2394 check_remoting_fields(arg, type);
2395 }
2396
2397 static void check_remoting_fields(const var_t *var, type_t *type)
2398 {
2399 const var_t *field;
2400 const var_list_t *fields = NULL;
2401
2402 type = type_get_real_type(type);
2403
2404 if (type->checked)
2405 return;
2406
2407 type->checked = TRUE;
2408
2409 if (is_struct(type->type))
2410 {
2411 if (type_is_complete(type))
2412 fields = type_struct_get_fields(type);
2413 else
2414 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2415 }
2416 else if (is_union(type->type))
2417 fields = type_union_get_cases(type);
2418
2419 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2420 if (field->type) check_field_common(type, type->name, field);
2421 }
2422
2423 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2424 static void check_remoting_args(const var_t *func)
2425 {
2426 const char *funcname = func->name;
2427 const var_t *arg;
2428
2429 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2430 {
2431 int ptr_level = 0;
2432 const type_t *type = arg->type;
2433
2434 /* get pointer level and fundamental type for the argument */
2435 for (;;)
2436 {
2437 if (is_attr(type->attrs, ATTR_WIREMARSHAL))
2438 break;
2439 if (is_attr(type->attrs, ATTR_CONTEXTHANDLE))
2440 break;
2441 if (type_is_alias(type))
2442 type = type_alias_get_aliasee(type);
2443 else if (is_ptr(type))
2444 {
2445 ptr_level++;
2446 type = type_pointer_get_ref(type);
2447 }
2448 else
2449 break;
2450 }
2451
2452 /* check that [out] parameters have enough pointer levels */
2453 if (is_attr(arg->attrs, ATTR_OUT))
2454 {
2455 if (!is_array(type))
2456 {
2457 if (!ptr_level)
2458 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2459 if (type->type == RPC_FC_IP && ptr_level == 1)
2460 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2461 }
2462 }
2463
2464 check_field_common(func->type, funcname, arg);
2465 }
2466 }
2467
2468 static void add_explicit_handle_if_necessary(var_t *func)
2469 {
2470 const var_t* explicit_handle_var;
2471 const var_t* explicit_generic_handle_var = NULL;
2472 const var_t* context_handle_var = NULL;
2473
2474 /* check for a defined binding handle */
2475 explicit_handle_var = get_explicit_handle_var(func);
2476 if (!explicit_handle_var)
2477 {
2478 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2479 if (!explicit_generic_handle_var)
2480 {
2481 context_handle_var = get_context_handle_var(func);
2482 if (!context_handle_var)
2483 {
2484 /* no explicit handle specified so add
2485 * "[in] handle_t IDL_handle" as the first parameter to the
2486 * function */
2487 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2488 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2489 idl_handle->type = find_type_or_error("handle_t", 0);
2490 type_function_add_head_arg(func->type, idl_handle);
2491 }
2492 }
2493 }
2494 }
2495
2496 static void check_functions(const type_t *iface, int is_inside_library)
2497 {
2498 const statement_t *stmt;
2499 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2500 {
2501 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2502 {
2503 var_t *func = stmt->u.var;
2504 add_explicit_handle_if_necessary(func);
2505 }
2506 }
2507 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2508 {
2509 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2510 {
2511 const var_t *func = stmt->u.var;
2512 if (!is_attr(func->attrs, ATTR_LOCAL))
2513 check_remoting_args(func);
2514 }
2515 }
2516 }
2517
2518 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2519 {
2520 const statement_t *stmt;
2521
2522 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2523 {
2524 if (stmt->type == STMT_LIBRARY)
2525 check_statements(stmt->u.lib->stmts, TRUE);
2526 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP)
2527 check_functions(stmt->u.type, is_inside_library);
2528 }
2529 }
2530
2531 static void check_all_user_types(const statement_list_t *stmts)
2532 {
2533 const statement_t *stmt;
2534
2535 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2536 {
2537 if (stmt->type == STMT_LIBRARY)
2538 check_all_user_types(stmt->u.lib->stmts);
2539 else if (stmt->type == STMT_TYPE && stmt->u.type->type == RPC_FC_IP &&
2540 !is_local(stmt->u.type->attrs))
2541 {
2542 const statement_t *stmt_func;
2543 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2544 const var_t *func = stmt_func->u.var;
2545 check_for_additional_prototype_types(func->type->details.function->args);
2546 }
2547 }
2548 }
2549 }
2550
2551 int is_valid_uuid(const char *s)
2552 {
2553 int i;
2554
2555 for (i = 0; i < 36; ++i)
2556 if (i == 8 || i == 13 || i == 18 || i == 23)
2557 {
2558 if (s[i] != '-')
2559 return FALSE;
2560 }
2561 else
2562 if (!isxdigit(s[i]))
2563 return FALSE;
2564
2565 return s[i] == '\0';
2566 }
2567
2568 static statement_t *make_statement(enum statement_type type)
2569 {
2570 statement_t *stmt = xmalloc(sizeof(*stmt));
2571 stmt->type = type;
2572 return stmt;
2573 }
2574
2575 static statement_t *make_statement_type_decl(type_t *type)
2576 {
2577 statement_t *stmt = make_statement(STMT_TYPE);
2578 stmt->u.type = type;
2579 return stmt;
2580 }
2581
2582 static statement_t *make_statement_reference(type_t *type)
2583 {
2584 statement_t *stmt = make_statement(STMT_TYPEREF);
2585 stmt->u.type = type;
2586 return stmt;
2587 }
2588
2589 static statement_t *make_statement_declaration(var_t *var)
2590 {
2591 statement_t *stmt = make_statement(STMT_DECLARATION);
2592 stmt->u.var = var;
2593 if (var->stgclass == STG_EXTERN && var->eval)
2594 warning("'%s' initialised and declared extern\n", var->name);
2595 if (is_const_decl(var))
2596 {
2597 if (var->eval)
2598 reg_const(var);
2599 }
2600 else if ((var->stgclass == STG_NONE || var->stgclass == STG_REGISTER) &&
2601 var->type->type != RPC_FC_FUNCTION)
2602 error_loc("instantiation of data is illegal\n");
2603 return stmt;
2604 }
2605
2606 static statement_t *make_statement_library(typelib_t *typelib)
2607 {
2608 statement_t *stmt = make_statement(STMT_LIBRARY);
2609 stmt->u.lib = typelib;
2610 return stmt;
2611 }
2612
2613 static statement_t *make_statement_cppquote(const char *str)
2614 {
2615 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2616 stmt->u.str = str;
2617 return stmt;
2618 }
2619
2620 static statement_t *make_statement_importlib(const char *str)
2621 {
2622 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2623 stmt->u.str = str;
2624 return stmt;
2625 }
2626
2627 static statement_t *make_statement_import(const char *str)
2628 {
2629 statement_t *stmt = make_statement(STMT_IMPORT);
2630 stmt->u.str = str;
2631 return stmt;
2632 }
2633
2634 static statement_t *make_statement_module(type_t *type)
2635 {
2636 statement_t *stmt = make_statement(STMT_MODULE);
2637 stmt->u.type = type;
2638 return stmt;
2639 }
2640
2641 static statement_t *make_statement_typedef(declarator_list_t *decls)
2642 {
2643 declarator_t *decl, *next;
2644 statement_t *stmt;
2645 type_list_t **type_list;
2646
2647 if (!decls) return NULL;
2648
2649 stmt = make_statement(STMT_TYPEDEF);
2650 stmt->u.type_list = NULL;
2651 type_list = &stmt->u.type_list;
2652
2653 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2654 {
2655 var_t *var = decl->var;
2656 type_t *type = find_type_or_error(var->name, 0);
2657 *type_list = xmalloc(sizeof(type_list_t));
2658 (*type_list)->type = type;
2659 (*type_list)->next = NULL;
2660
2661 type_list = &(*type_list)->next;
2662 free(decl);
2663 free(var);
2664 }
2665
2666 return stmt;
2667 }
2668
2669 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2670 {
2671 if (!stmt) return list;
2672 if (!list)
2673 {
2674 list = xmalloc( sizeof(*list) );
2675 list_init( list );
2676 }
2677 list_add_tail( list, &stmt->entry );
2678 return list;
2679 }
2680
2681 void init_loc_info(loc_info_t *i)
2682 {
2683 i->input_name = input_name ? input_name : "stdin";
2684 i->line_number = line_number;
2685 i->near_text = parser_text;
2686 }
2687
2688 static void check_def(const type_t *t)
2689 {
2690 if (t->defined)
2691 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2692 t->name, t->loc_info.input_name, t->loc_info.line_number);
2693 }
useful hacks and other patches not (yet) suitable for mainline