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[WIDL]
[reactos.git] / reactos / tools / widl / parser.y
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 static unsigned char pointer_default = RPC_FC_UP;
69
70 typedef struct list typelist_t;
71 struct typenode {
72 type_t *type;
73 struct list entry;
74 };
75
76 struct _import_t
77 {
78 char *name;
79 int import_performed;
80 };
81
82 typedef struct _decl_spec_t
83 {
84 type_t *type;
85 attr_list_t *attrs;
86 enum storage_class stgclass;
87 } decl_spec_t;
88
89 typelist_t incomplete_types = LIST_INIT(incomplete_types);
90
91 static void fix_incomplete(void);
92 static void fix_incomplete_types(type_t *complete_type);
93
94 static str_list_t *append_str(str_list_t *list, char *str);
95 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
96 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
97 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);
98 static attr_t *make_attr(enum attr_type type);
99 static attr_t *make_attrv(enum attr_type type, unsigned int val);
100 static attr_t *make_attrp(enum attr_type type, void *val);
101 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
102 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
103 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
104 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
105 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
106 static ifref_t *make_ifref(type_t *iface);
107 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
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 type_t *make_safearray(type_t *type);
111 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
112 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
113
114 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
115 static type_t *find_type_or_error(const char *name, int t);
116 static type_t *find_type_or_error2(char *name, int t);
117
118 static var_t *reg_const(var_t *var);
119
120 static char *gen_name(void);
121 static void check_arg_attrs(const var_t *arg);
122 static void check_statements(const statement_list_t *stmts, int is_inside_library);
123 static void check_all_user_types(const statement_list_t *stmts);
124 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
125 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
127 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
128 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
129 static attr_list_t *check_union_attrs(attr_list_t *attrs);
130 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
131 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
135 const char *get_attr_display_name(enum attr_type type);
136 static void add_explicit_handle_if_necessary(var_t *func);
137 static void check_def(const type_t *t);
138
139 static statement_t *make_statement(enum statement_type type);
140 static statement_t *make_statement_type_decl(type_t *type);
141 static statement_t *make_statement_reference(type_t *type);
142 static statement_t *make_statement_declaration(var_t *var);
143 static statement_t *make_statement_library(typelib_t *typelib);
144 static statement_t *make_statement_cppquote(const char *str);
145 static statement_t *make_statement_importlib(const char *str);
146 static statement_t *make_statement_module(type_t *type);
147 static statement_t *make_statement_typedef(var_list_t *names);
148 static statement_t *make_statement_import(const char *str);
149 static statement_t *make_statement_typedef(var_list_t *names);
150 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
151
152 %}
153 %union {
154 attr_t *attr;
155 attr_list_t *attr_list;
156 str_list_t *str_list;
157 expr_t *expr;
158 expr_list_t *expr_list;
159 array_dims_t *array_dims;
160 type_t *type;
161 var_t *var;
162 var_list_t *var_list;
163 declarator_t *declarator;
164 declarator_list_t *declarator_list;
165 statement_t *statement;
166 statement_list_t *stmt_list;
167 ifref_t *ifref;
168 ifref_list_t *ifref_list;
169 char *str;
170 UUID *uuid;
171 unsigned int num;
172 double dbl;
173 interface_info_t ifinfo;
174 typelib_t *typelib;
175 struct _import_t *import;
176 struct _decl_spec_t *declspec;
177 enum storage_class stgclass;
178 }
179
180 %token <str> aIDENTIFIER
181 %token <str> aKNOWNTYPE
182 %token <num> aNUM aHEXNUM
183 %token <dbl> aDOUBLE
184 %token <str> aSTRING aWSTRING aSQSTRING
185 %token <uuid> aUUID
186 %token aEOF
187 %token SHL SHR
188 %token MEMBERPTR
189 %token EQUALITY INEQUALITY
190 %token GREATEREQUAL LESSEQUAL
191 %token LOGICALOR LOGICALAND
192 %token ELLIPSIS
193 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
194 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
195 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
196 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
197 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
198 %token tDEFAULT
199 %token tDEFAULTCOLLELEM
200 %token tDEFAULTVALUE
201 %token tDEFAULTVTABLE
202 %token tDISPLAYBIND
203 %token tDISPINTERFACE
204 %token tDLLNAME tDOUBLE tDUAL
205 %token tENDPOINT
206 %token tENTRY tENUM tERRORSTATUST
207 %token tEXPLICITHANDLE tEXTERN
208 %token tFALSE
209 %token tFASTCALL
210 %token tFLOAT
211 %token tHANDLE
212 %token tHANDLET
213 %token tHELPCONTEXT tHELPFILE
214 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
215 %token tHIDDEN
216 %token tHYPER tID tIDEMPOTENT
217 %token tIIDIS
218 %token tIMMEDIATEBIND
219 %token tIMPLICITHANDLE
220 %token tIMPORT tIMPORTLIB
221 %token tIN tIN_LINE tINLINE
222 %token tINPUTSYNC
223 %token tINT tINT3264 tINT64
224 %token tINTERFACE
225 %token tLCID
226 %token tLENGTHIS tLIBRARY
227 %token tLOCAL
228 %token tLONG
229 %token tMETHODS
230 %token tMODULE
231 %token tNONBROWSABLE
232 %token tNONCREATABLE
233 %token tNONEXTENSIBLE
234 %token tNULL
235 %token tOBJECT tODL tOLEAUTOMATION
236 %token tOPTIONAL
237 %token tOUT
238 %token tPASCAL
239 %token tPOINTERDEFAULT
240 %token tPROPERTIES
241 %token tPROPGET tPROPPUT tPROPPUTREF
242 %token tPTR
243 %token tPUBLIC
244 %token tRANGE
245 %token tREADONLY tREF
246 %token tREGISTER
247 %token tREQUESTEDIT
248 %token tRESTRICTED
249 %token tRETVAL
250 %token tSAFEARRAY
251 %token tSHORT
252 %token tSIGNED
253 %token tSIZEIS tSIZEOF
254 %token tSMALL
255 %token tSOURCE
256 %token tSTATIC
257 %token tSTDCALL
258 %token tSTRICTCONTEXTHANDLE
259 %token tSTRING tSTRUCT
260 %token tSWITCH tSWITCHIS tSWITCHTYPE
261 %token tTRANSMITAS
262 %token tTRUE
263 %token tTYPEDEF
264 %token tUNION
265 %token tUNIQUE
266 %token tUNSIGNED
267 %token tUUID
268 %token tV1ENUM
269 %token tVARARG
270 %token tVERSION
271 %token tVOID
272 %token tWCHAR tWIREMARSHAL
273
274 %type <attr> attribute type_qualifier function_specifier
275 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
276 %type <str_list> str_list
277 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
278 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
279 %type <ifinfo> interfacehdr
280 %type <stgclass> storage_cls_spec
281 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
282 %type <type> inherit interface interfacedef interfacedec
283 %type <type> dispinterface dispinterfacehdr dispinterfacedef
284 %type <type> module modulehdr moduledef
285 %type <type> base_type int_std
286 %type <type> enumdef structdef uniondef typedecl
287 %type <type> type
288 %type <ifref> coclass_int
289 %type <ifref_list> coclass_ints
290 %type <var> arg ne_union_field union_field s_field case enum declaration
291 %type <var> funcdef
292 %type <var_list> m_args arg_list args dispint_meths
293 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
294 %type <var> m_ident ident
295 %type <declarator> declarator direct_declarator init_declarator struct_declarator
296 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
297 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
298 %type <declarator_list> declarator_list struct_declarator_list
299 %type <type> coclass coclasshdr coclassdef
300 %type <num> pointer_type version
301 %type <str> libraryhdr callconv cppquote importlib import t_ident
302 %type <uuid> uuid_string
303 %type <import> import_start
304 %type <typelib> library_start librarydef
305 %type <statement> statement typedef
306 %type <stmt_list> gbl_statements imp_statements int_statements
307
308 %left ','
309 %right '?' ':'
310 %left LOGICALOR
311 %left LOGICALAND
312 %left '|'
313 %left '^'
314 %left '&'
315 %left EQUALITY INEQUALITY
316 %left '<' '>' LESSEQUAL GREATEREQUAL
317 %left SHL SHR
318 %left '-' '+'
319 %left '*' '/' '%'
320 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
321 %left '.' MEMBERPTR '[' ']'
322
323 %%
324
325 input: gbl_statements { fix_incomplete();
326 check_statements($1, FALSE);
327 check_all_user_types($1);
328 write_header($1);
329 write_id_data($1);
330 write_proxies($1);
331 write_client($1);
332 write_server($1);
333 write_dlldata($1);
334 write_local_stubs($1);
335 }
336 ;
337
338 gbl_statements: { $$ = NULL; }
339 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
340 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
341 | gbl_statements coclass ';' { $$ = $1;
342 reg_type($2, $2->name, 0);
343 }
344 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
345 reg_type($2, $2->name, 0);
346 }
347 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
348 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
349 | gbl_statements statement { $$ = append_statement($1, $2); }
350 ;
351
352 imp_statements: { $$ = NULL; }
353 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
354 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
355 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
356 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
357 reg_type($2, $2->name, 0);
358 }
359 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
360 | imp_statements statement { $$ = append_statement($1, $2); }
361 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
362 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
363 ;
364
365 int_statements: { $$ = NULL; }
366 | int_statements statement { $$ = append_statement($1, $2); }
367 ;
368
369 semicolon_opt:
370 | ';'
371 ;
372
373 statement:
374 cppquote { $$ = make_statement_cppquote($1); }
375 | typedecl ';' { $$ = make_statement_type_decl($1); }
376 | declaration ';' { $$ = make_statement_declaration($1); }
377 | import { $$ = make_statement_import($1); }
378 | typedef ';' { $$ = $1; }
379 ;
380
381 typedecl:
382 enumdef
383 | structdef
384 | uniondef
385 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
386 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
387 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
388 ;
389
390 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
391 ;
392 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
393 $$ = xmalloc(sizeof(struct _import_t));
394 $$->name = $2;
395 $$->import_performed = do_import($2);
396 if (!$$->import_performed) yychar = aEOF;
397 }
398 ;
399
400 import: import_start imp_statements aEOF { $$ = $1->name;
401 if ($1->import_performed) pop_import();
402 free($1);
403 }
404 ;
405
406 importlib: tIMPORTLIB '(' aSTRING ')'
407 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
408 ;
409
410 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
411 ;
412 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
413 if (!parse_only) start_typelib($$);
414 }
415 ;
416 librarydef: library_start imp_statements '}'
417 semicolon_opt { $$ = $1;
418 $$->stmts = $2;
419 if (!parse_only) end_typelib();
420 }
421 ;
422
423 m_args: { $$ = NULL; }
424 | args
425 ;
426
427 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
428 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
429 ;
430
431 args: arg_list
432 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
433 ;
434
435 /* split into two rules to get bison to resolve a tVOID conflict */
436 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
437 error_loc("invalid storage class for function parameter\n");
438 $$ = declare_var($1, $2, $3, TRUE);
439 free($2); free($3);
440 }
441 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
442 error_loc("invalid storage class for function parameter\n");
443 $$ = declare_var(NULL, $1, $2, TRUE);
444 free($1); free($2);
445 }
446 ;
447
448 array: '[' m_expr ']' { $$ = $2; }
449 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
450 ;
451
452 m_attributes: { $$ = NULL; }
453 | attributes
454 ;
455
456 attributes:
457 '[' attrib_list ']' { $$ = $2; }
458 ;
459
460 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
461 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
462 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
463 ;
464
465 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
466 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
467 ;
468
469 attribute: { $$ = NULL; }
470 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
471 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
472 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
473 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
474 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
475 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
476 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
477 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
478 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
479 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
480 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
481 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
482 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
483 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
484 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
485 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
486 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
487 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
488 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
489 | tDUAL { $$ = make_attr(ATTR_DUAL); }
490 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
491 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
492 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
493 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
494 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
495 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
496 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
497 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
498 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
499 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
500 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
501 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
502 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
503 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
504 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
505 | tIN { $$ = make_attr(ATTR_IN); }
506 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
507 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
508 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
509 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
510 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
511 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
512 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
513 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
514 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
515 | tODL { $$ = make_attr(ATTR_ODL); }
516 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
517 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
518 | tOUT { $$ = make_attr(ATTR_OUT); }
519 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
520 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
521 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
522 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
523 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
524 | tRANGE '(' expr_int_const ',' expr_int_const ')'
525 { expr_list_t *list = append_expr( NULL, $3 );
526 list = append_expr( list, $5 );
527 $$ = make_attrp(ATTR_RANGE, list); }
528 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
529 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
530 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
531 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
532 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
533 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
534 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
535 | tSTRING { $$ = make_attr(ATTR_STRING); }
536 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
537 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
538 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
539 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
540 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
541 | tVARARG { $$ = make_attr(ATTR_VARARG); }
542 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
543 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
544 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
545 ;
546
547 uuid_string:
548 aUUID
549 | aSTRING { if (!is_valid_uuid($1))
550 error_loc("invalid UUID: %s\n", $1);
551 $$ = parse_uuid($1); }
552 ;
553
554 callconv: tCDECL { $$ = $<str>1; }
555 | tFASTCALL { $$ = $<str>1; }
556 | tPASCAL { $$ = $<str>1; }
557 | tSTDCALL { $$ = $<str>1; }
558 ;
559
560 cases: { $$ = NULL; }
561 | cases case { $$ = append_var( $1, $2 ); }
562 ;
563
564 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
565 $$ = $4; if (!$$) $$ = make_var(NULL);
566 $$->attrs = append_attr( $$->attrs, a );
567 }
568 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
569 $$ = $3; if (!$$) $$ = make_var(NULL);
570 $$->attrs = append_attr( $$->attrs, a );
571 }
572 ;
573
574 enums: { $$ = NULL; }
575 | enum_list ',' { $$ = $1; }
576 | enum_list
577 ;
578
579 enum_list: enum { if (!$1->eval)
580 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
581 $$ = append_var( NULL, $1 );
582 }
583 | enum_list ',' enum { if (!$3->eval)
584 {
585 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
586 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
587 }
588 $$ = append_var( $1, $3 );
589 }
590 ;
591
592 enum: ident '=' expr_int_const { $$ = reg_const($1);
593 $$->eval = $3;
594 $$->type = type_new_int(TYPE_BASIC_INT, 0);
595 }
596 | ident { $$ = reg_const($1);
597 $$->type = type_new_int(TYPE_BASIC_INT, 0);
598 }
599 ;
600
601 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
602 ;
603
604 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
605 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
606 ;
607
608 /*
609 exprs: { $$ = make_expr(EXPR_VOID); }
610 | expr_list
611 ;
612
613 expr_list: expr
614 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
615 ;
616 */
617
618 m_expr: { $$ = make_expr(EXPR_VOID); }
619 | expr
620 ;
621
622 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
623 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
624 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
625 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
626 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
627 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
628 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
629 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
630 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
631 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
632 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
633 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
634 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
635 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
636 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
637 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
638 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
639 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
640 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
641 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
642 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
643 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
644 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
645 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
646 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
647 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
648 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
649 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
650 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
651 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
652 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
653 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
654 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
655 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
656 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
657 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
658 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
659 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
660 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
661 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
662 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
663 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
664 | '(' expr ')' { $$ = $2; }
665 ;
666
667 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
668 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
669 ;
670
671 expr_int_const: expr { $$ = $1;
672 if (!$$->is_const)
673 error_loc("expression is not an integer constant\n");
674 }
675 ;
676
677 expr_const: expr { $$ = $1;
678 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
679 error_loc("expression is not constant\n");
680 }
681 ;
682
683 fields: { $$ = NULL; }
684 | fields field { $$ = append_var_list($1, $2); }
685 ;
686
687 field: m_attributes decl_spec struct_declarator_list ';'
688 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
689 check_field_attrs(first, $1);
690 $$ = set_var_types($1, $2, $3);
691 }
692 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
693 v->type = $2; v->attrs = $1;
694 $$ = append_var(NULL, v);
695 }
696 ;
697
698 ne_union_field:
699 s_field ';' { $$ = $1; }
700 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
701 ;
702
703 ne_union_fields: { $$ = NULL; }
704 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
705 ;
706
707 union_field:
708 s_field ';' { $$ = $1; }
709 | ';' { $$ = NULL; }
710 ;
711
712 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
713 $2, $3, FALSE);
714 free($3);
715 }
716 ;
717
718 funcdef: declaration { $$ = $1;
719 if (type_get_type($$->type) != TYPE_FUNCTION)
720 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
721 check_function_attrs($$->name, $$->attrs);
722 }
723 ;
724
725 declaration:
726 attributes decl_spec init_declarator
727 { $$ = declare_var($1, $2, $3, FALSE);
728 free($3);
729 }
730 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
731 free($2);
732 }
733 ;
734
735 m_ident: { $$ = NULL; }
736 | ident
737 ;
738
739 t_ident: { $$ = NULL; }
740 | aIDENTIFIER { $$ = $1; }
741 | aKNOWNTYPE { $$ = $1; }
742 ;
743
744 ident: aIDENTIFIER { $$ = make_var($1); }
745 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
746 | aKNOWNTYPE { $$ = make_var($<str>1); }
747 ;
748
749 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
750 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
751 | int_std
752 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
753 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
754 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
755 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
756 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
757 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
758 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
759 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
760 ;
761
762 m_int:
763 | tINT
764 ;
765
766 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
767 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
768 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
769 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
770 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
771 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
772 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
773 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
774 ;
775
776 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
777 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
778 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
779 error_loc("%s was not declared a coclass at %s:%d\n",
780 $2, $$->loc_info.input_name,
781 $$->loc_info.line_number);
782 }
783 ;
784
785 coclasshdr: attributes coclass { $$ = $2;
786 check_def($$);
787 $$->attrs = check_coclass_attrs($2->name, $1);
788 }
789 ;
790
791 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
792 { $$ = type_coclass_define($1, $3); }
793 ;
794
795 coclass_ints: { $$ = NULL; }
796 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
797 ;
798
799 coclass_int:
800 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
801 ;
802
803 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
804 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
805 ;
806
807 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
808 $$ = $2;
809 check_def($$);
810 attrs = make_attr(ATTR_DISPINTERFACE);
811 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
812 $$->defined = TRUE;
813 }
814 ;
815
816 dispint_props: tPROPERTIES ':' { $$ = NULL; }
817 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
818 ;
819
820 dispint_meths: tMETHODS ':' { $$ = NULL; }
821 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
822 ;
823
824 dispinterfacedef: dispinterfacehdr '{'
825 dispint_props
826 dispint_meths
827 '}' { $$ = $1;
828 type_dispinterface_define($$, $3, $4);
829 }
830 | dispinterfacehdr
831 '{' interface ';' '}' { $$ = $1;
832 type_dispinterface_define_from_iface($$, $3);
833 }
834 ;
835
836 inherit: { $$ = NULL; }
837 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); }
838 ;
839
840 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
841 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
842 ;
843
844 interfacehdr: attributes interface { $$.interface = $2;
845 $$.old_pointer_default = pointer_default;
846 if (is_attr($1, ATTR_POINTERDEFAULT))
847 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
848 check_def($2);
849 $2->attrs = check_iface_attrs($2->name, $1);
850 $2->defined = TRUE;
851 }
852 ;
853
854 interfacedef: interfacehdr inherit
855 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
856 type_interface_define($$, $2, $4);
857 pointer_default = $1.old_pointer_default;
858 }
859 /* MIDL is able to import the definition of a base class from inside the
860 * definition of a derived class, I'll try to support it with this rule */
861 | interfacehdr ':' aIDENTIFIER
862 '{' import int_statements '}'
863 semicolon_opt { $$ = $1.interface;
864 type_interface_define($$, find_type_or_error2($3, 0), $6);
865 pointer_default = $1.old_pointer_default;
866 }
867 | dispinterfacedef semicolon_opt { $$ = $1; }
868 ;
869
870 interfacedec:
871 interface ';' { $$ = $1; }
872 | dispinterface ';' { $$ = $1; }
873 ;
874
875 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
876 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
877 ;
878
879 modulehdr: attributes module { $$ = $2;
880 $$->attrs = check_module_attrs($2->name, $1);
881 }
882 ;
883
884 moduledef: modulehdr '{' int_statements '}'
885 semicolon_opt { $$ = $1;
886 type_module_define($$, $3);
887 }
888 ;
889
890 storage_cls_spec:
891 tEXTERN { $$ = STG_EXTERN; }
892 | tSTATIC { $$ = STG_STATIC; }
893 | tREGISTER { $$ = STG_REGISTER; }
894 ;
895
896 function_specifier:
897 tINLINE { $$ = make_attr(ATTR_INLINE); }
898 ;
899
900 type_qualifier:
901 tCONST { $$ = make_attr(ATTR_CONST); }
902 ;
903
904 m_type_qual_list: { $$ = NULL; }
905 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
906 ;
907
908 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
909 | decl_spec_no_type type m_decl_spec_no_type
910 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
911 ;
912
913 m_decl_spec_no_type: { $$ = NULL; }
914 | decl_spec_no_type
915 ;
916
917 decl_spec_no_type:
918 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
919 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
920 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
921 ;
922
923 declarator:
924 '*' m_type_qual_list declarator %prec PPTR
925 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
926 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
927 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
928 | direct_declarator
929 ;
930
931 direct_declarator:
932 ident { $$ = make_declarator($1); }
933 | '(' declarator ')' { $$ = $2; }
934 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
935 | direct_declarator '(' m_args ')' { $$ = $1;
936 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
937 $$->type = NULL;
938 }
939 ;
940
941 /* abstract declarator */
942 abstract_declarator:
943 '*' m_type_qual_list m_abstract_declarator %prec PPTR
944 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
945 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
946 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
947 | abstract_direct_declarator
948 ;
949
950 /* abstract declarator without accepting direct declarator */
951 abstract_declarator_no_direct:
952 '*' m_type_qual_list m_any_declarator %prec PPTR
953 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
954 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
955 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
956 ;
957
958 /* abstract declarator or empty */
959 m_abstract_declarator: { $$ = make_declarator(NULL); }
960 | abstract_declarator
961 ;
962
963 /* abstract direct declarator */
964 abstract_direct_declarator:
965 '(' abstract_declarator_no_direct ')' { $$ = $2; }
966 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
967 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
968 | '(' m_args ')'
969 { $$ = make_declarator(NULL);
970 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
971 $$->type = NULL;
972 }
973 | abstract_direct_declarator '(' m_args ')'
974 { $$ = $1;
975 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
976 $$->type = NULL;
977 }
978 ;
979
980 /* abstract or non-abstract declarator */
981 any_declarator:
982 '*' m_type_qual_list m_any_declarator %prec PPTR
983 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
984 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
985 | any_direct_declarator
986 ;
987
988 /* abstract or non-abstract declarator without accepting direct declarator */
989 any_declarator_no_direct:
990 '*' m_type_qual_list m_any_declarator %prec PPTR
991 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
992 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
993 ;
994
995 /* abstract or non-abstract declarator or empty */
996 m_any_declarator: { $$ = make_declarator(NULL); }
997 | any_declarator
998 ;
999
1000 /* abstract or non-abstract direct declarator. note: direct declarators
1001 * aren't accepted inside brackets to avoid ambiguity with the rule for
1002 * function arguments */
1003 any_direct_declarator:
1004 ident { $$ = make_declarator($1); }
1005 | '(' any_declarator_no_direct ')' { $$ = $2; }
1006 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1007 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1008 | '(' m_args ')'
1009 { $$ = make_declarator(NULL);
1010 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1011 $$->type = NULL;
1012 }
1013 | any_direct_declarator '(' m_args ')'
1014 { $$ = $1;
1015 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1016 $$->type = NULL;
1017 }
1018 ;
1019
1020 declarator_list:
1021 declarator { $$ = append_declarator( NULL, $1 ); }
1022 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1023 ;
1024
1025 m_bitfield: { $$ = NULL; }
1026 | ':' expr_const { $$ = $2; }
1027 ;
1028
1029 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1030 if (!$$->bits && !$$->var->name)
1031 error_loc("unnamed fields are not allowed\n");
1032 }
1033 ;
1034
1035 struct_declarator_list:
1036 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1037 | struct_declarator_list ',' struct_declarator
1038 { $$ = append_declarator( $1, $3 ); }
1039 ;
1040
1041 init_declarator:
1042 declarator { $$ = $1; }
1043 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1044 ;
1045
1046 pointer_type:
1047 tREF { $$ = RPC_FC_RP; }
1048 | tUNIQUE { $$ = RPC_FC_UP; }
1049 | tPTR { $$ = RPC_FC_FP; }
1050 ;
1051
1052 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1053 ;
1054
1055 type: tVOID { $$ = type_new_void(); }
1056 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1057 | base_type { $$ = $1; }
1058 | enumdef { $$ = $1; }
1059 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1060 | structdef { $$ = $1; }
1061 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1062 | uniondef { $$ = $1; }
1063 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1064 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1065 ;
1066
1067 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1068 { reg_typedefs($3, $4, check_typedef_attrs($2));
1069 $$ = make_statement_typedef($4);
1070 }
1071 ;
1072
1073 uniondef: tUNION t_ident '{' ne_union_fields '}'
1074 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1075 | tUNION t_ident
1076 tSWITCH '(' s_field ')'
1077 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1078 ;
1079
1080 version:
1081 aNUM { $$ = MAKEVERSION($1, 0); }
1082 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1083 ;
1084
1085 %%
1086
1087 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1088 {
1089 type_t *t = type_new_basic(type);
1090 reg_type(t, name, 0);
1091 }
1092
1093 static void decl_builtin_alias(const char *name, type_t *t)
1094 {
1095 reg_type(type_new_alias(t, name), name, 0);
1096 }
1097
1098 void init_types(void)
1099 {
1100 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1101 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1102 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1103 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1104 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1105 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1106 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1107 }
1108
1109 static str_list_t *append_str(str_list_t *list, char *str)
1110 {
1111 struct str_list_entry_t *entry;
1112
1113 if (!str) return list;
1114 if (!list)
1115 {
1116 list = xmalloc( sizeof(*list) );
1117 list_init( list );
1118 }
1119 entry = xmalloc( sizeof(*entry) );
1120 entry->str = str;
1121 list_add_tail( list, &entry->entry );
1122 return list;
1123 }
1124
1125 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1126 {
1127 attr_t *attr_existing;
1128 if (!attr) return list;
1129 if (!list)
1130 {
1131 list = xmalloc( sizeof(*list) );
1132 list_init( list );
1133 }
1134 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1135 if (attr_existing->type == attr->type)
1136 {
1137 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1138 /* use the last attribute, like MIDL does */
1139 list_remove(&attr_existing->entry);
1140 break;
1141 }
1142 list_add_tail( list, &attr->entry );
1143 return list;
1144 }
1145
1146 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1147 {
1148 attr_t *attr;
1149 if (!src) return dst;
1150 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1151 if (attr->type == type)
1152 {
1153 list_remove(&attr->entry);
1154 return append_attr(dst, attr);
1155 }
1156 return dst;
1157 }
1158
1159 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1160 {
1161 struct list *entry;
1162
1163 if (!old_list) return new_list;
1164
1165 while ((entry = list_head(old_list)))
1166 {
1167 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1168 list_remove(entry);
1169 new_list = append_attr(new_list, attr);
1170 }
1171 return new_list;
1172 }
1173
1174 static attr_list_t *dupattrs(const attr_list_t *list)
1175 {
1176 attr_list_t *new_list;
1177 const attr_t *attr;
1178
1179 if (!list) return NULL;
1180
1181 new_list = xmalloc( sizeof(*list) );
1182 list_init( new_list );
1183 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1184 {
1185 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1186 *new_attr = *attr;
1187 list_add_tail(new_list, &new_attr->entry);
1188 }
1189 return new_list;
1190 }
1191
1192 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)
1193 {
1194 decl_spec_t *declspec = left ? left : right;
1195 if (!declspec)
1196 {
1197 declspec = xmalloc(sizeof(*declspec));
1198 declspec->type = NULL;
1199 declspec->attrs = NULL;
1200 declspec->stgclass = STG_NONE;
1201 }
1202 declspec->type = type;
1203 if (left && declspec != left)
1204 {
1205 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1206 if (declspec->stgclass == STG_NONE)
1207 declspec->stgclass = left->stgclass;
1208 else if (left->stgclass != STG_NONE)
1209 error_loc("only one storage class can be specified\n");
1210 assert(!left->type);
1211 free(left);
1212 }
1213 if (right && declspec != right)
1214 {
1215 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1216 if (declspec->stgclass == STG_NONE)
1217 declspec->stgclass = right->stgclass;
1218 else if (right->stgclass != STG_NONE)
1219 error_loc("only one storage class can be specified\n");
1220 assert(!right->type);
1221 free(right);
1222 }
1223
1224 declspec->attrs = append_attr(declspec->attrs, attr);
1225 if (declspec->stgclass == STG_NONE)
1226 declspec->stgclass = stgclass;
1227 else if (stgclass != STG_NONE)
1228 error_loc("only one storage class can be specified\n");
1229
1230 /* apply attributes to type */
1231 if (type && declspec->attrs)
1232 {
1233 attr_list_t *attrs;
1234 declspec->type = duptype(type, 1);
1235 attrs = dupattrs(type->attrs);
1236 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1237 declspec->attrs = NULL;
1238 }
1239
1240 return declspec;
1241 }
1242
1243 static attr_t *make_attr(enum attr_type type)
1244 {
1245 attr_t *a = xmalloc(sizeof(attr_t));
1246 a->type = type;
1247 a->u.ival = 0;
1248 return a;
1249 }
1250
1251 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1252 {
1253 attr_t *a = xmalloc(sizeof(attr_t));
1254 a->type = type;
1255 a->u.ival = val;
1256 return a;
1257 }
1258
1259 static attr_t *make_attrp(enum attr_type type, void *val)
1260 {
1261 attr_t *a = xmalloc(sizeof(attr_t));
1262 a->type = type;
1263 a->u.pval = val;
1264 return a;
1265 }
1266
1267 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1268 {
1269 if (!expr) return list;
1270 if (!list)
1271 {
1272 list = xmalloc( sizeof(*list) );
1273 list_init( list );
1274 }
1275 list_add_tail( list, &expr->entry );
1276 return list;
1277 }
1278
1279 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1280 {
1281 if (!expr) return list;
1282 if (!list)
1283 {
1284 list = xmalloc( sizeof(*list) );
1285 list_init( list );
1286 }
1287 list_add_tail( list, &expr->entry );
1288 return list;
1289 }
1290
1291 static struct list type_pool = LIST_INIT(type_pool);
1292 typedef struct
1293 {
1294 type_t data;
1295 struct list link;
1296 } type_pool_node_t;
1297
1298 type_t *alloc_type(void)
1299 {
1300 type_pool_node_t *node = xmalloc(sizeof *node);
1301 list_add_tail(&type_pool, &node->link);
1302 return &node->data;
1303 }
1304
1305 void set_all_tfswrite(int val)
1306 {
1307 type_pool_node_t *node;
1308 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1309 node->data.tfswrite = val;
1310 }
1311
1312 void clear_all_offsets(void)
1313 {
1314 type_pool_node_t *node;
1315 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1316 node->data.typestring_offset = node->data.ptrdesc = 0;
1317 }
1318
1319 static void type_function_add_head_arg(type_t *type, var_t *arg)
1320 {
1321 if (!type->details.function->args)
1322 {
1323 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1324 list_init( type->details.function->args );
1325 }
1326 list_add_head( type->details.function->args, &arg->entry );
1327 }
1328
1329 static int is_allowed_range_type(const type_t *type)
1330 {
1331 switch (type_get_type(type))
1332 {
1333 case TYPE_ENUM:
1334 return TRUE;
1335 case TYPE_BASIC:
1336 switch (type_basic_get_type(type))
1337 {
1338 case TYPE_BASIC_INT8:
1339 case TYPE_BASIC_INT16:
1340 case TYPE_BASIC_INT32:
1341 case TYPE_BASIC_INT64:
1342 case TYPE_BASIC_INT:
1343 case TYPE_BASIC_INT3264:
1344 case TYPE_BASIC_BYTE:
1345 case TYPE_BASIC_CHAR:
1346 case TYPE_BASIC_WCHAR:
1347 case TYPE_BASIC_HYPER:
1348 return TRUE;
1349 case TYPE_BASIC_FLOAT:
1350 case TYPE_BASIC_DOUBLE:
1351 case TYPE_BASIC_ERROR_STATUS_T:
1352 case TYPE_BASIC_HANDLE:
1353 return FALSE;
1354 }
1355 return FALSE;
1356 default:
1357 return FALSE;
1358 }
1359 }
1360
1361 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1362 {
1363 type_t *ptrchain_type;
1364 if (!ptrchain)
1365 return type;
1366 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1367 ;
1368 assert(ptrchain_type->type_type == TYPE_POINTER);
1369 ptrchain_type->details.pointer.ref = type;
1370 return ptrchain;
1371 }
1372
1373 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1374 int top)
1375 {
1376 var_t *v = decl->var;
1377 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1378 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1379 int sizeless;
1380 expr_t *dim;
1381 type_t **ptype;
1382 array_dims_t *arr = decl ? decl->array : NULL;
1383 type_t *func_type = decl ? decl->func_type : NULL;
1384 type_t *type = decl_spec->type;
1385
1386 if (is_attr(type->attrs, ATTR_INLINE))
1387 {
1388 if (!func_type)
1389 error_loc("inline attribute applied to non-function type\n");
1390 else
1391 {
1392 type_t *t;
1393 /* move inline attribute from return type node to function node */
1394 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1395 ;
1396 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1397 }
1398 }
1399
1400 /* add type onto the end of the pointers in pident->type */
1401 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1402 v->stgclass = decl_spec->stgclass;
1403 v->attrs = attrs;
1404
1405 /* check for pointer attribute being applied to non-pointer, non-array
1406 * type */
1407 if (!arr)
1408 {
1409 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1410 const type_t *ptr = NULL;
1411 /* pointer attributes on the left side of the type belong to the function
1412 * pointer, if one is being declared */
1413 type_t **pt = func_type ? &func_type : &v->type;
1414 for (ptr = *pt; ptr && !ptr_attr; )
1415 {
1416 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1417 if (!ptr_attr && type_is_alias(ptr))
1418 ptr = type_alias_get_aliasee(ptr);
1419 else
1420 break;
1421 }
1422 if (is_ptr(ptr))
1423 {
1424 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1425 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1426 warning_loc_info(&v->loc_info,
1427 "%s: pointer attribute applied to interface "
1428 "pointer type has no effect\n", v->name);
1429 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1430 {
1431 /* FIXME: this is a horrible hack to cope with the issue that we
1432 * store an offset to the typeformat string in the type object, but
1433 * two typeformat strings may be written depending on whether the
1434 * pointer is a toplevel parameter or not */
1435 *pt = duptype(*pt, 1);
1436 }
1437 }
1438 else if (ptr_attr)
1439 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1440 }
1441
1442 if (is_attr(v->attrs, ATTR_STRING))
1443 {
1444 type_t *t = type;
1445
1446 if (!is_ptr(v->type) && !arr)
1447 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1448 v->name);
1449
1450 while (is_ptr(t))
1451 t = type_pointer_get_ref(t);
1452
1453 if (type_get_type(t) != TYPE_BASIC &&
1454 (get_basic_fc(t) != RPC_FC_CHAR &&
1455 get_basic_fc(t) != RPC_FC_BYTE &&
1456 get_basic_fc(t) != RPC_FC_WCHAR))
1457 {
1458 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1459 v->name);
1460 }
1461 }
1462
1463 if (is_attr(v->attrs, ATTR_V1ENUM))
1464 {
1465 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1466 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1467 }
1468
1469 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1470 error_loc("'%s': [range] attribute applied to non-integer type\n",
1471 v->name);
1472
1473 ptype = &v->type;
1474 sizeless = FALSE;
1475 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1476 {
1477 if (sizeless)
1478 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1479
1480 if (dim->is_const)
1481 {
1482 if (dim->cval <= 0)
1483 error_loc("%s: array dimension must be positive\n", v->name);
1484
1485 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1486 if (0)
1487 {
1488 unsigned int size = type_memsize(v->type);
1489
1490 if (0xffffffffu / size < dim->cval)
1491 error_loc("%s: total array size is too large\n", v->name);
1492 }
1493 }
1494 else
1495 sizeless = TRUE;
1496
1497 *ptype = type_new_array(NULL, *ptype, FALSE,
1498 dim->is_const ? dim->cval : 0,
1499 dim->is_const ? NULL : dim, NULL,
1500 pointer_default);
1501 }
1502
1503 ptype = &v->type;
1504 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1505 {
1506 if (dim->type != EXPR_VOID)
1507 {
1508 if (is_array(*ptype))
1509 {
1510 if (!type_array_get_conformance(*ptype) ||
1511 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1512 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1513 else
1514 *ptype = type_new_array((*ptype)->name,
1515 type_array_get_element(*ptype), FALSE,
1516 0, dim, NULL, 0);
1517 }
1518 else if (is_ptr(*ptype))
1519 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1520 0, dim, NULL, pointer_default);
1521 else
1522 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1523 }
1524
1525 if (is_ptr(*ptype))
1526 ptype = &(*ptype)->details.pointer.ref;
1527 else if (is_array(*ptype))
1528 ptype = &(*ptype)->details.array.elem;
1529 else
1530 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1531 }
1532
1533 ptype = &v->type;
1534 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1535 {
1536 if (dim->type != EXPR_VOID)
1537 {
1538 if (is_array(*ptype))
1539 {
1540 *ptype = type_new_array((*ptype)->name,
1541 type_array_get_element(*ptype),
1542 type_array_is_decl_as_ptr(*ptype),
1543 type_array_get_dim(*ptype),
1544 type_array_get_conformance(*ptype),
1545 dim, type_array_get_ptr_default_fc(*ptype));
1546 }
1547 else
1548 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1549 }
1550
1551 if (is_ptr(*ptype))
1552 ptype = &(*ptype)->details.pointer.ref;
1553 else if (is_array(*ptype))
1554 ptype = &(*ptype)->details.array.elem;
1555 else
1556 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1557 }
1558
1559 /* v->type is currently pointing to the type on the left-side of the
1560 * declaration, so we need to fix this up so that it is the return type of the
1561 * function and make v->type point to the function side of the declaration */
1562 if (func_type)
1563 {
1564 type_t *ft, *t;
1565 type_t *return_type = v->type;
1566 v->type = func_type;
1567 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1568 ;
1569 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1570 ft->details.function->rettype = return_type;
1571 /* move calling convention attribute, if present, from pointer nodes to
1572 * function node */
1573 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1574 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1575 }
1576 else
1577 {
1578 type_t *t;
1579 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1580 if (is_attr(t->attrs, ATTR_CALLCONV))
1581 error_loc("calling convention applied to non-function-pointer type\n");
1582 }
1583
1584 if (decl->bits)
1585 v->type = type_new_bitfield(v->type, decl->bits);
1586
1587 return v;
1588 }
1589
1590 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1591 {
1592 declarator_t *decl, *next;
1593 var_list_t *var_list = NULL;
1594
1595 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1596 {
1597 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1598 var_list = append_var(var_list, var);
1599 free(decl);
1600 }
1601 free(decl_spec);
1602 return var_list;
1603 }
1604
1605 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1606 {
1607 if (!iface) return list;
1608 if (!list)
1609 {
1610 list = xmalloc( sizeof(*list) );
1611 list_init( list );
1612 }
1613 list_add_tail( list, &iface->entry );
1614 return list;
1615 }
1616
1617 static ifref_t *make_ifref(type_t *iface)
1618 {
1619 ifref_t *l = xmalloc(sizeof(ifref_t));
1620 l->iface = iface;
1621 l->attrs = NULL;
1622 return l;
1623 }
1624
1625 var_list_t *append_var(var_list_t *list, var_t *var)
1626 {
1627 if (!var) return list;
1628 if (!list)
1629 {
1630 list = xmalloc( sizeof(*list) );
1631 list_init( list );
1632 }
1633 list_add_tail( list, &var->entry );
1634 return list;
1635 }
1636
1637 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1638 {
1639 if (!vars) return list;
1640 if (!list)
1641 {
1642 list = xmalloc( sizeof(*list) );
1643 list_init( list );
1644 }
1645 list_move_tail( list, vars );
1646 return list;
1647 }
1648
1649 var_t *make_var(char *name)
1650 {
1651 var_t *v = xmalloc(sizeof(var_t));
1652 v->name = name;
1653 v->type = NULL;
1654 v->attrs = NULL;
1655 v->eval = NULL;
1656 v->stgclass = STG_NONE;
1657 init_loc_info(&v->loc_info);
1658 return v;
1659 }
1660
1661 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1662 {
1663 if (!d) return list;
1664 if (!list) {
1665 list = xmalloc(sizeof(*list));
1666 list_init(list);
1667 }
1668 list_add_tail(list, &d->entry);
1669 return list;
1670 }
1671
1672 static declarator_t *make_declarator(var_t *var)
1673 {
1674 declarator_t *d = xmalloc(sizeof(*d));
1675 d->var = var ? var : make_var(NULL);
1676 d->type = NULL;
1677 d->func_type = NULL;
1678 d->array = NULL;
1679 d->bits = NULL;
1680 return d;
1681 }
1682
1683 static type_t *make_safearray(type_t *type)
1684 {
1685 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1686 NULL, NULL, RPC_FC_RP);
1687 }
1688
1689 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1690 {
1691 typelib_t *typelib = xmalloc(sizeof(*typelib));
1692 typelib->name = xstrdup(name);
1693 typelib->filename = NULL;
1694 typelib->attrs = attrs;
1695 list_init( &typelib->importlibs );
1696 return typelib;
1697 }
1698
1699 #define HASHMAX 64
1700
1701 static int hash_ident(const char *name)
1702 {
1703 const char *p = name;
1704 int sum = 0;
1705 /* a simple sum hash is probably good enough */
1706 while (*p) {
1707 sum += *p;
1708 p++;
1709 }
1710 return sum & (HASHMAX-1);
1711 }
1712
1713 /***** type repository *****/
1714
1715 struct rtype {
1716 const char *name;
1717 type_t *type;
1718 int t;
1719 struct rtype *next;
1720 };
1721
1722 struct rtype *type_hash[HASHMAX];
1723
1724 type_t *reg_type(type_t *type, const char *name, int t)
1725 {
1726 struct rtype *nt;
1727 int hash;
1728 if (!name) {
1729 error_loc("registering named type without name\n");
1730 return type;
1731 }
1732 hash = hash_ident(name);
1733 nt = xmalloc(sizeof(struct rtype));
1734 nt->name = name;
1735 nt->type = type;
1736 nt->t = t;
1737 nt->next = type_hash[hash];
1738 type_hash[hash] = nt;
1739 if ((t == tsSTRUCT || t == tsUNION))
1740 fix_incomplete_types(type);
1741 return type;
1742 }
1743
1744 static int is_incomplete(const type_t *t)
1745 {
1746 return !t->defined &&
1747 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1748 type_get_type_detect_alias(t) == TYPE_UNION ||
1749 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1750 }
1751
1752 void add_incomplete(type_t *t)
1753 {
1754 struct typenode *tn = xmalloc(sizeof *tn);
1755 tn->type = t;
1756 list_add_tail(&incomplete_types, &tn->entry);
1757 }
1758
1759 static void fix_type(type_t *t)
1760 {
1761 if (type_is_alias(t) && is_incomplete(t)) {
1762 type_t *ot = type_alias_get_aliasee(t);
1763 fix_type(ot);
1764 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1765 type_get_type_detect_alias(ot) == TYPE_UNION ||
1766 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1767 t->details.structure = ot->details.structure;
1768 t->defined = ot->defined;
1769 }
1770 }
1771
1772 static void fix_incomplete(void)
1773 {
1774 struct typenode *tn, *next;
1775
1776 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1777 fix_type(tn->type);
1778 list_remove(&tn->entry);
1779 free(tn);
1780 }
1781 }
1782
1783 static void fix_incomplete_types(type_t *complete_type)
1784 {
1785 struct typenode *tn, *next;
1786
1787 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1788 {
1789 if (type_is_equal(complete_type, tn->type))
1790 {
1791 tn->type->details.structure = complete_type->details.structure;
1792 list_remove(&tn->entry);
1793 free(tn);
1794 }
1795 }
1796 }
1797
1798 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1799 {
1800 const declarator_t *decl;
1801 type_t *type = decl_spec->type;
1802
1803 /* We must generate names for tagless enum, struct or union.
1804 Typedef-ing a tagless enum, struct or union means we want the typedef
1805 to be included in a library hence the public attribute. */
1806 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1807 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1808 type_get_type_detect_alias(type) == TYPE_UNION ||
1809 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1810 !type->name && !parse_only)
1811 {
1812 if (! is_attr(attrs, ATTR_PUBLIC))
1813 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1814 type->name = gen_name();
1815 }
1816 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1817 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1818
1819 /* Append the SWITCHTYPE attribute to a union if it does not already have one. */
1820 if (type_get_type_detect_alias(type) == TYPE_UNION &&
1821 is_attr(attrs, ATTR_SWITCHTYPE) &&
1822 !is_attr(type->attrs, ATTR_SWITCHTYPE))
1823 type->attrs = append_attr(type->attrs, make_attrp(ATTR_SWITCHTYPE, get_attrp(attrs, ATTR_SWITCHTYPE)));
1824
1825 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1826 {
1827
1828 if (decl->var->name) {
1829 type_t *cur;
1830 var_t *name;
1831
1832 cur = find_type(decl->var->name, 0);
1833 if (cur)
1834 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1835 cur->name, cur->loc_info.input_name,
1836 cur->loc_info.line_number);
1837
1838 name = declare_var(attrs, decl_spec, decl, 0);
1839 cur = type_new_alias(name->type, name->name);
1840 cur->attrs = attrs;
1841
1842 if (is_incomplete(cur))
1843 add_incomplete(cur);
1844 reg_type(cur, cur->name, 0);
1845 }
1846 }
1847 return type;
1848 }
1849
1850 type_t *find_type(const char *name, int t)
1851 {
1852 struct rtype *cur = type_hash[hash_ident(name)];
1853 while (cur && (cur->t != t || strcmp(cur->name, name)))
1854 cur = cur->next;
1855 return cur ? cur->type : NULL;
1856 }
1857
1858 static type_t *find_type_or_error(const char *name, int t)
1859 {
1860 type_t *type = find_type(name, t);
1861 if (!type) {
1862 error_loc("type '%s' not found\n", name);
1863 return NULL;
1864 }
1865 return type;
1866 }
1867
1868 static type_t *find_type_or_error2(char *name, int t)
1869 {
1870 type_t *tp = find_type_or_error(name, t);
1871 free(name);
1872 return tp;
1873 }
1874
1875 int is_type(const char *name)
1876 {
1877 return find_type(name, 0) != NULL;
1878 }
1879
1880 type_t *get_type(enum type_type type, char *name, int t)
1881 {
1882 type_t *tp;
1883 if (name) {
1884 tp = find_type(name, t);
1885 if (tp) {
1886 free(name);
1887 return tp;
1888 }
1889 }
1890 tp = make_type(type);
1891 tp->name = name;
1892 if (!name) return tp;
1893 return reg_type(tp, name, t);
1894 }
1895
1896 /***** constant repository *****/
1897
1898 struct rconst {
1899 char *name;
1900 var_t *var;
1901 struct rconst *next;
1902 };
1903
1904 struct rconst *const_hash[HASHMAX];
1905
1906 static var_t *reg_const(var_t *var)
1907 {
1908 struct rconst *nc;
1909 int hash;
1910 if (!var->name) {
1911 error_loc("registering constant without name\n");
1912 return var;
1913 }
1914 hash = hash_ident(var->name);
1915 nc = xmalloc(sizeof(struct rconst));
1916 nc->name = var->name;
1917 nc->var = var;
1918 nc->next = const_hash[hash];
1919 const_hash[hash] = nc;
1920 return var;
1921 }
1922
1923 var_t *find_const(const char *name, int f)
1924 {
1925 struct rconst *cur = const_hash[hash_ident(name)];
1926 while (cur && strcmp(cur->name, name))
1927 cur = cur->next;
1928 if (!cur) {
1929 if (f) error_loc("constant '%s' not found\n", name);
1930 return NULL;
1931 }
1932 return cur->var;
1933 }
1934
1935 static char *gen_name(void)
1936 {
1937 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1938 static unsigned long n = 0;
1939 static const char *file_id;
1940 static size_t size;
1941 char *name;
1942
1943 if (! file_id)
1944 {
1945 char *dst = dup_basename(input_name, ".idl");
1946 file_id = dst;
1947
1948 for (; *dst; ++dst)
1949 if (! isalnum((unsigned char) *dst))
1950 *dst = '_';
1951
1952 size = sizeof format - 7 + strlen(file_id) + 8;
1953 }
1954
1955 name = xmalloc(size);
1956 sprintf(name, format, file_id, n++);
1957 return name;
1958 }
1959
1960 struct allowed_attr
1961 {
1962 unsigned int dce_compatible : 1;
1963 unsigned int acf : 1;
1964 unsigned int on_interface : 1;
1965 unsigned int on_function : 1;
1966 unsigned int on_arg : 1;
1967 unsigned int on_type : 1;
1968 unsigned int on_enum : 1;
1969 unsigned int on_struct : 1;
1970 unsigned int on_union : 1;
1971 unsigned int on_field : 1;
1972 unsigned int on_library : 1;
1973 unsigned int on_dispinterface : 1;
1974 unsigned int on_module : 1;
1975 unsigned int on_coclass : 1;
1976 const char *display_name;
1977 };
1978
1979 struct allowed_attr allowed_attr[] =
1980 {
1981 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1982 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1983 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
1984 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1985 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1986 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1987 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1988 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1989 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1990 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1991 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1992 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1993 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1994 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1995 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1996 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
1997 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
1998 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
1999 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2000 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2001 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2002 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2003 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2004 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2005 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2006 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2007 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2008 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2009 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2010 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2011 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2012 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2013 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2014 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2015 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2016 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2017 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2018 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2019 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2020 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2021 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2022 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2023 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2024 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2025 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2026 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2027 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2028 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2029 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2030 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2031 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2032 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2033 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2034 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2035 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2036 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2037 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2038 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2039 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2040 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2041 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2042 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2043 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2044 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2045 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2046 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2047 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2048 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2049 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2050 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2051 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2052 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2053 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2054 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2055 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2056 };
2057
2058 const char *get_attr_display_name(enum attr_type type)
2059 {
2060 return allowed_attr[type].display_name;
2061 }
2062
2063 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2064 {
2065 const attr_t *attr;
2066 if (!attrs) return attrs;
2067 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2068 {
2069 if (!allowed_attr[attr->type].on_interface)
2070 error_loc("inapplicable attribute %s for interface %s\n",
2071 allowed_attr[attr->type].display_name, name);
2072 }
2073 return attrs;
2074 }
2075
2076 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2077 {
2078 const attr_t *attr;
2079 if (!attrs) return attrs;
2080 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2081 {
2082 if (!allowed_attr[attr->type].on_function)
2083 error_loc("inapplicable attribute %s for function %s\n",
2084 allowed_attr[attr->type].display_name, name);
2085 }
2086 return attrs;
2087 }
2088
2089 static void check_arg_attrs(const var_t *arg)
2090 {
2091 const attr_t *attr;
2092
2093 if (arg->attrs)
2094 {
2095 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2096 {
2097 if (!allowed_attr[attr->type].on_arg)
2098 error_loc("inapplicable attribute %s for argument %s\n",
2099 allowed_attr[attr->type].display_name, arg->name);
2100 }
2101 }
2102 }
2103
2104 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2105 {
2106 const attr_t *attr;
2107 if (!attrs) return attrs;
2108 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2109 {
2110 if (!allowed_attr[attr->type].on_type)
2111 error_loc("inapplicable attribute %s for typedef\n",
2112 allowed_attr[attr->type].display_name);
2113 }
2114 return attrs;
2115 }
2116
2117 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2118 {
2119 const attr_t *attr;
2120 if (!attrs) return attrs;
2121 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2122 {
2123 if (!allowed_attr[attr->type].on_enum)
2124 error_loc("inapplicable attribute %s for enum\n",
2125 allowed_attr[attr->type].display_name);
2126 }
2127 return attrs;
2128 }
2129
2130 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2131 {
2132 const attr_t *attr;
2133 if (!attrs) return attrs;
2134 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2135 {
2136 if (!allowed_attr[attr->type].on_struct)
2137 error_loc("inapplicable attribute %s for struct\n",
2138 allowed_attr[attr->type].display_name);
2139 }
2140 return attrs;
2141 }
2142
2143 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2144 {
2145 const attr_t *attr;
2146 if (!attrs) return attrs;
2147 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2148 {
2149 if (!allowed_attr[attr->type].on_union)
2150 error_loc("inapplicable attribute %s for union\n",
2151 allowed_attr[attr->type].display_name);
2152 }
2153 return attrs;
2154 }
2155
2156 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2157 {
2158 const attr_t *attr;
2159 if (!attrs) return attrs;
2160 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2161 {
2162 if (!allowed_attr[attr->type].on_field)
2163 error_loc("inapplicable attribute %s for field %s\n",
2164 allowed_attr[attr->type].display_name, name);
2165 }
2166 return attrs;
2167 }
2168
2169 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2170 {
2171 const attr_t *attr;
2172 if (!attrs) return attrs;
2173 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2174 {
2175 if (!allowed_attr[attr->type].on_library)
2176 error_loc("inapplicable attribute %s for library %s\n",
2177 allowed_attr[attr->type].display_name, name);
2178 }
2179 return attrs;
2180 }
2181
2182 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2183 {
2184 const attr_t *attr;
2185 if (!attrs) return attrs;
2186 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2187 {
2188 if (!allowed_attr[attr->type].on_dispinterface)
2189 error_loc("inapplicable attribute %s for dispinterface %s\n",
2190 allowed_attr[attr->type].display_name, name);
2191 }
2192 return attrs;
2193 }
2194
2195 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2196 {
2197 const attr_t *attr;
2198 if (!attrs) return attrs;
2199 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2200 {
2201 if (!allowed_attr[attr->type].on_module)
2202 error_loc("inapplicable attribute %s for module %s\n",
2203 allowed_attr[attr->type].display_name, name);
2204 }
2205 return attrs;
2206 }
2207
2208 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2209 {
2210 const attr_t *attr;
2211 if (!attrs) return attrs;
2212 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2213 {
2214 if (!allowed_attr[attr->type].on_coclass)
2215 error_loc("inapplicable attribute %s for coclass %s\n",
2216 allowed_attr[attr->type].display_name, name);
2217 }
2218 return attrs;
2219 }
2220
2221 static int is_allowed_conf_type(const type_t *type)
2222 {
2223 switch (type_get_type(type))
2224 {
2225 case TYPE_ENUM:
2226 return TRUE;
2227 case TYPE_BASIC:
2228 switch (type_basic_get_type(type))
2229 {
2230 case TYPE_BASIC_INT8:
2231 case TYPE_BASIC_INT16:
2232 case TYPE_BASIC_INT32:
2233 case TYPE_BASIC_INT64:
2234 case TYPE_BASIC_INT:
2235 case TYPE_BASIC_CHAR:
2236 case TYPE_BASIC_HYPER:
2237 case TYPE_BASIC_BYTE:
2238 case TYPE_BASIC_WCHAR:
2239 return TRUE;
2240 default:
2241 return FALSE;
2242 }
2243 case TYPE_ALIAS:
2244 /* shouldn't get here because of type_get_type call above */
2245 assert(0);
2246 /* fall through */
2247 case TYPE_STRUCT:
2248 case TYPE_UNION:
2249 case TYPE_ENCAPSULATED_UNION:
2250 case TYPE_ARRAY:
2251 case TYPE_POINTER:
2252 case TYPE_VOID:
2253 case TYPE_MODULE:
2254 case TYPE_COCLASS:
2255 case TYPE_FUNCTION:
2256 case TYPE_INTERFACE:
2257 case TYPE_BITFIELD:
2258 return FALSE;
2259 }
2260 return FALSE;
2261 }
2262
2263 static int is_ptr_guid_type(const type_t *type)
2264 {
2265 /* first, make sure it is a pointer to something */
2266 if (!is_ptr(type)) return FALSE;
2267
2268 /* second, make sure it is a pointer to something of size sizeof(GUID),
2269 * i.e. 16 bytes */
2270 return (type_memsize(type_pointer_get_ref(type)) == 16);
2271 }
2272
2273 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2274 {
2275 expr_t *dim;
2276 struct expr_loc expr_loc;
2277 expr_loc.v = arg;
2278 expr_loc.attr = attr_name;
2279 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2280 {
2281 if (dim->type != EXPR_VOID)
2282 {
2283 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2284 if (!is_allowed_conf_type(expr_type))
2285 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2286 attr_name);
2287 }
2288 }
2289 }
2290
2291 static void check_remoting_fields(const var_t *var, type_t *type);
2292
2293 /* checks that properties common to fields and arguments are consistent */
2294 static void check_field_common(const type_t *container_type,
2295 const char *container_name, const var_t *arg)
2296 {
2297 type_t *type = arg->type;
2298 int more_to_do;
2299 const char *container_type_name;
2300 const char *var_type;
2301
2302 switch (type_get_type(container_type))
2303 {
2304 case TYPE_STRUCT:
2305 container_type_name = "struct";
2306 var_type = "field";
2307 break;
2308 case TYPE_UNION:
2309 container_type_name = "union";
2310 var_type = "arm";
2311 break;
2312 case TYPE_ENCAPSULATED_UNION:
2313 container_type_name = "encapsulated union";
2314 var_type = "arm";
2315 break;
2316 case TYPE_FUNCTION:
2317 container_type_name = "function";
2318 var_type = "parameter";
2319 break;
2320 default:
2321 /* should be no other container types */
2322 assert(0);
2323 return;
2324 }
2325
2326 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2327 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2328 error_loc_info(&arg->loc_info,
2329 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2330 arg->name);
2331
2332 if (is_attr(arg->attrs, ATTR_SIZEIS))
2333 {
2334 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2335 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2336 }
2337 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2338 {
2339 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2340 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2341 }
2342 if (is_attr(arg->attrs, ATTR_IIDIS))
2343 {
2344 struct expr_loc expr_loc;
2345 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2346 if (expr->type != EXPR_VOID)
2347 {
2348 const type_t *expr_type;
2349 expr_loc.v = arg;
2350 expr_loc.attr = "iid_is";
2351 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2352 if (!expr_type || !is_ptr_guid_type(expr_type))
2353 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2354 }
2355 }
2356 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2357 {
2358 struct expr_loc expr_loc;
2359 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2360 if (expr->type != EXPR_VOID)
2361 {
2362 const type_t *expr_type;
2363 expr_loc.v = arg;
2364 expr_loc.attr = "switch_is";
2365 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2366 if (!expr_type || !is_allowed_conf_type(expr_type))
2367 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2368 expr_loc.attr);
2369 }
2370 }
2371
2372 do
2373 {
2374 more_to_do = FALSE;
2375
2376 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2377 {
2378 case TGT_STRUCT:
2379 case TGT_UNION:
2380 check_remoting_fields(arg, type);
2381 break;
2382 case TGT_INVALID:
2383 {
2384 const char *reason = "is invalid";
2385 switch (type_get_type(type))
2386 {
2387 case TYPE_VOID:
2388 reason = "cannot derive from void *";
2389 break;
2390 case TYPE_FUNCTION:
2391 reason = "cannot be a function pointer";
2392 break;
2393 case TYPE_BITFIELD:
2394 reason = "cannot be a bit-field";
2395 break;
2396 case TYPE_COCLASS:
2397 reason = "cannot be a class";
2398 break;
2399 case TYPE_INTERFACE:
2400 reason = "cannot be a non-pointer to an interface";
2401 break;
2402 case TYPE_MODULE:
2403 reason = "cannot be a module";
2404 break;
2405 default:
2406 break;
2407 }
2408 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2409 var_type, arg->name, container_type_name, container_name, reason);
2410 break;
2411 }
2412 case TGT_CTXT_HANDLE:
2413 case TGT_CTXT_HANDLE_POINTER:
2414 if (type_get_type(container_type) != TYPE_FUNCTION)
2415 error_loc_info(&arg->loc_info,
2416 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2417 var_type, arg->name, container_type_name,
2418 container_name);
2419 break;
2420 case TGT_STRING:
2421 {
2422 const type_t *t = type;
2423 while (is_ptr(t))
2424 t = type_pointer_get_ref(t);
2425 if (is_aliaschain_attr(t, ATTR_RANGE))
2426 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2427 break;
2428 }
2429 case TGT_POINTER:
2430 type = type_pointer_get_ref(type);
2431 more_to_do = TRUE;
2432 break;
2433 case TGT_ARRAY:
2434 type = type_array_get_element(type);
2435 more_to_do = TRUE;
2436 break;
2437 case TGT_USER_TYPE:
2438 case TGT_IFACE_POINTER:
2439 case TGT_BASIC:
2440 case TGT_ENUM:
2441 case TGT_RANGE:
2442 /* nothing to do */
2443 break;
2444 }
2445 } while (more_to_do);
2446 }
2447
2448 static void check_remoting_fields(const var_t *var, type_t *type)
2449 {
2450 const var_t *field;
2451 const var_list_t *fields = NULL;
2452
2453 type = type_get_real_type(type);
2454
2455 if (type->checked)
2456 return;
2457
2458 type->checked = TRUE;
2459
2460 if (type_get_type(type) == TYPE_STRUCT)
2461 {
2462 if (type_is_complete(type))
2463 fields = type_struct_get_fields(type);
2464 else
2465 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2466 }
2467 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2468 fields = type_union_get_cases(type);
2469
2470 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2471 if (field->type) check_field_common(type, type->name, field);
2472 }
2473
2474 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2475 static void check_remoting_args(const var_t *func)
2476 {
2477 const char *funcname = func->name;
2478 const var_t *arg;
2479
2480 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2481 {
2482 const type_t *type = arg->type;
2483
2484 /* check that [out] parameters have enough pointer levels */
2485 if (is_attr(arg->attrs, ATTR_OUT))
2486 {
2487 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2488 {
2489 case TGT_BASIC:
2490 case TGT_ENUM:
2491 case TGT_RANGE:
2492 case TGT_STRUCT:
2493 case TGT_UNION:
2494 case TGT_CTXT_HANDLE:
2495 case TGT_USER_TYPE:
2496 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2497 break;
2498 case TGT_IFACE_POINTER:
2499 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2500 break;
2501 case TGT_STRING:
2502 if (is_ptr(type) ||
2503 (is_array(type) &&
2504 (!type_array_has_conformance(type) ||
2505 type_array_get_conformance(type)->type == EXPR_VOID)))
2506 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2507 break;
2508 case TGT_INVALID:
2509 /* already error'd before we get here */
2510 case TGT_CTXT_HANDLE_POINTER:
2511 case TGT_POINTER:
2512 case TGT_ARRAY:
2513 /* OK */
2514 break;
2515 }
2516 }
2517
2518 check_field_common(func->type, funcname, arg);
2519 }
2520
2521 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2522 {
2523 var_t var;
2524 var = *func;
2525 var.type = type_function_get_rettype(func->type);
2526 var.name = xstrdup("return value");
2527 check_field_common(func->type, funcname, &var);
2528 free(var.name);
2529 }
2530 }
2531
2532 static void add_explicit_handle_if_necessary(var_t *func)
2533 {
2534 const var_t* explicit_handle_var;
2535 const var_t* explicit_generic_handle_var = NULL;
2536 const var_t* context_handle_var = NULL;
2537
2538 /* check for a defined binding handle */
2539 explicit_handle_var = get_explicit_handle_var(func);
2540 if (!explicit_handle_var)
2541 {
2542 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2543 if (!explicit_generic_handle_var)
2544 {
2545 context_handle_var = get_context_handle_var(func);
2546 if (!context_handle_var)
2547 {
2548 /* no explicit handle specified so add
2549 * "[in] handle_t IDL_handle" as the first parameter to the
2550 * function */
2551 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2552 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2553 idl_handle->type = find_type_or_error("handle_t", 0);
2554 type_function_add_head_arg(func->type, idl_handle);
2555 }
2556 }
2557 }
2558 }
2559
2560 static void check_functions(const type_t *iface, int is_inside_library)
2561 {
2562 const statement_t *stmt;
2563 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2564 {
2565 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2566 {
2567 var_t *func = stmt->u.var;
2568 add_explicit_handle_if_necessary(func);
2569 }
2570 }
2571 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2572 {
2573 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2574 {
2575 const var_t *func = stmt->u.var;
2576 if (!is_attr(func->attrs, ATTR_LOCAL))
2577 check_remoting_args(func);
2578 }
2579 }
2580 }
2581
2582 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2583 {
2584 const statement_t *stmt;
2585
2586 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2587 {
2588 if (stmt->type == STMT_LIBRARY)
2589 check_statements(stmt->u.lib->stmts, TRUE);
2590 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2591 check_functions(stmt->u.type, is_inside_library);
2592 }
2593 }
2594
2595 static void check_all_user_types(const statement_list_t *stmts)
2596 {
2597 const statement_t *stmt;
2598
2599 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2600 {
2601 if (stmt->type == STMT_LIBRARY)
2602 check_all_user_types(stmt->u.lib->stmts);
2603 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2604 !is_local(stmt->u.type->attrs))
2605 {
2606 const statement_t *stmt_func;
2607 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2608 const var_t *func = stmt_func->u.var;
2609 check_for_additional_prototype_types(func->type->details.function->args);
2610 }
2611 }
2612 }
2613 }
2614
2615 int is_valid_uuid(const char *s)
2616 {
2617 int i;
2618
2619 for (i = 0; i < 36; ++i)
2620 if (i == 8 || i == 13 || i == 18 || i == 23)
2621 {
2622 if (s[i] != '-')
2623 return FALSE;
2624 }
2625 else
2626 if (!isxdigit(s[i]))
2627 return FALSE;
2628
2629 return s[i] == '\0';
2630 }
2631
2632 static statement_t *make_statement(enum statement_type type)
2633 {
2634 statement_t *stmt = xmalloc(sizeof(*stmt));
2635 stmt->type = type;
2636 return stmt;
2637 }
2638
2639 static statement_t *make_statement_type_decl(type_t *type)
2640 {
2641 statement_t *stmt = make_statement(STMT_TYPE);
2642 stmt->u.type = type;
2643 return stmt;
2644 }
2645
2646 static statement_t *make_statement_reference(type_t *type)
2647 {
2648 statement_t *stmt = make_statement(STMT_TYPEREF);
2649 stmt->u.type = type;
2650 return stmt;
2651 }
2652
2653 static statement_t *make_statement_declaration(var_t *var)
2654 {
2655 statement_t *stmt = make_statement(STMT_DECLARATION);
2656 stmt->u.var = var;
2657 if (var->stgclass == STG_EXTERN && var->eval)
2658 warning("'%s' initialised and declared extern\n", var->name);
2659 if (is_const_decl(var))
2660 {
2661 if (var->eval)
2662 reg_const(var);
2663 }
2664 else if (type_get_type(var->type) == TYPE_FUNCTION)
2665 check_function_attrs(var->name, var->attrs);
2666 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2667 error_loc("instantiation of data is illegal\n");
2668 return stmt;
2669 }
2670
2671 static statement_t *make_statement_library(typelib_t *typelib)
2672 {
2673 statement_t *stmt = make_statement(STMT_LIBRARY);
2674 stmt->u.lib = typelib;
2675 return stmt;
2676 }
2677
2678 static statement_t *make_statement_cppquote(const char *str)
2679 {
2680 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2681 stmt->u.str = str;
2682 return stmt;
2683 }
2684
2685 static statement_t *make_statement_importlib(const char *str)
2686 {
2687 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2688 stmt->u.str = str;
2689 return stmt;
2690 }
2691
2692 static statement_t *make_statement_import(const char *str)
2693 {
2694 statement_t *stmt = make_statement(STMT_IMPORT);
2695 stmt->u.str = str;
2696 return stmt;
2697 }
2698
2699 static statement_t *make_statement_module(type_t *type)
2700 {
2701 statement_t *stmt = make_statement(STMT_MODULE);
2702 stmt->u.type = type;
2703 return stmt;
2704 }
2705
2706 static statement_t *make_statement_typedef(declarator_list_t *decls)
2707 {
2708 declarator_t *decl, *next;
2709 statement_t *stmt;
2710 type_list_t **type_list;
2711
2712 if (!decls) return NULL;
2713
2714 stmt = make_statement(STMT_TYPEDEF);
2715 stmt->u.type_list = NULL;
2716 type_list = &stmt->u.type_list;
2717
2718 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2719 {
2720 var_t *var = decl->var;
2721 type_t *type = find_type_or_error(var->name, 0);
2722 *type_list = xmalloc(sizeof(type_list_t));
2723 (*type_list)->type = type;
2724 (*type_list)->next = NULL;
2725
2726 type_list = &(*type_list)->next;
2727 free(decl);
2728 free(var);
2729 }
2730
2731 return stmt;
2732 }
2733
2734 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2735 {
2736 if (!stmt) return list;
2737 if (!list)
2738 {
2739 list = xmalloc( sizeof(*list) );
2740 list_init( list );
2741 }
2742 list_add_tail( list, &stmt->entry );
2743 return list;
2744 }
2745
2746 void init_loc_info(loc_info_t *i)
2747 {
2748 i->input_name = input_name ? input_name : "stdin";
2749 i->line_number = line_number;
2750 i->near_text = parser_text;
2751 }
2752
2753 static void check_def(const type_t *t)
2754 {
2755 if (t->defined)
2756 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2757 t->name, t->loc_info.input_name, t->loc_info.line_number);
2758 }
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