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oleaut32: Fix several memory leaks in the tests.
[wine/hramrach.git] / tools / widl / parser.y
blobdda4a3730c7f0489f4db2b45be637ef7121c15d6
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 static int is_object_interface = FALSE;
70
71 typedef struct list typelist_t;
72 struct typenode {
73 type_t *type;
74 struct list entry;
75 };
76
77 struct _import_t
78 {
79 char *name;
80 int import_performed;
81 };
82
83 typedef struct _decl_spec_t
84 {
85 type_t *type;
86 attr_list_t *attrs;
87 enum storage_class stgclass;
88 } decl_spec_t;
89
90 typelist_t incomplete_types = LIST_INIT(incomplete_types);
91
92 static void fix_incomplete(void);
93 static void fix_incomplete_types(type_t *complete_type);
94
95 static str_list_t *append_str(str_list_t *list, char *str);
96 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
97 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
98 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);
99 static attr_t *make_attr(enum attr_type type);
100 static attr_t *make_attrv(enum attr_type type, unsigned long val);
101 static attr_t *make_attrp(enum attr_type type, void *val);
102 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
103 static array_dims_t *append_array(array_dims_t *list, expr_t *expr);
104 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl, int top);
105 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls);
106 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface);
107 static ifref_t *make_ifref(type_t *iface);
108 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars);
109 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *p);
110 static declarator_t *make_declarator(var_t *var);
111 static func_list_t *append_func(func_list_t *list, func_t *func);
112 static func_t *make_func(var_t *def);
113 static type_t *make_safearray(type_t *type);
114 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
115 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
116
117 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
118 static type_t *find_type_or_error(const char *name, int t);
119 static type_t *find_type_or_error2(char *name, int t);
120
121 static var_t *reg_const(var_t *var);
122
123 static char *gen_name(void);
124 static void check_arg_attrs(const var_t *arg);
125 static void check_statements(const statement_list_t *stmts, int is_inside_library);
126 static void check_all_user_types(const statement_list_t *stmts);
127 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
128 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
129 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
130 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
131 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
132 static attr_list_t *check_union_attrs(attr_list_t *attrs);
133 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
135 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
136 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
137 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
138 const char *get_attr_display_name(enum attr_type type);
139 static void add_explicit_handle_if_necessary(var_t *func);
140 static void check_def(const type_t *t);
141
142 static statement_t *make_statement(enum statement_type type);
143 static statement_t *make_statement_type_decl(type_t *type);
144 static statement_t *make_statement_reference(type_t *type);
145 static statement_t *make_statement_declaration(var_t *var);
146 static statement_t *make_statement_library(typelib_t *typelib);
147 static statement_t *make_statement_cppquote(const char *str);
148 static statement_t *make_statement_importlib(const char *str);
149 static statement_t *make_statement_module(type_t *type);
150 static statement_t *make_statement_typedef(var_list_t *names);
151 static statement_t *make_statement_import(const char *str);
152 static statement_t *make_statement_typedef(var_list_t *names);
153 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
154
155 %}
156 %union {
157 attr_t *attr;
158 attr_list_t *attr_list;
159 str_list_t *str_list;
160 expr_t *expr;
161 expr_list_t *expr_list;
162 array_dims_t *array_dims;
163 type_t *type;
164 var_t *var;
165 var_list_t *var_list;
166 declarator_t *declarator;
167 declarator_list_t *declarator_list;
168 func_t *func;
169 func_list_t *func_list;
170 statement_t *statement;
171 statement_list_t *stmt_list;
172 ifref_t *ifref;
173 ifref_list_t *ifref_list;
174 char *str;
175 UUID *uuid;
176 unsigned int num;
177 double dbl;
178 interface_info_t ifinfo;
179 typelib_t *typelib;
180 struct _import_t *import;
181 struct _decl_spec_t *declspec;
182 enum storage_class stgclass;
183 }
184
185 %token <str> aIDENTIFIER
186 %token <str> aKNOWNTYPE
187 %token <num> aNUM aHEXNUM
188 %token <dbl> aDOUBLE
189 %token <str> aSTRING aWSTRING
190 %token <uuid> aUUID
191 %token aEOF
192 %token SHL SHR
193 %token MEMBERPTR
194 %token EQUALITY INEQUALITY
195 %token GREATEREQUAL LESSEQUAL
196 %token LOGICALOR LOGICALAND
197 %token ELLIPSIS
198 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
199 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
200 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
201 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
202 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
203 %token tDEFAULT
204 %token tDEFAULTCOLLELEM
205 %token tDEFAULTVALUE
206 %token tDEFAULTVTABLE
207 %token tDISPLAYBIND
208 %token tDISPINTERFACE
209 %token tDLLNAME tDOUBLE tDUAL
210 %token tENDPOINT
211 %token tENTRY tENUM tERRORSTATUST
212 %token tEXPLICITHANDLE tEXTERN
213 %token tFALSE
214 %token tFASTCALL
215 %token tFLOAT
216 %token tHANDLE
217 %token tHANDLET
218 %token tHELPCONTEXT tHELPFILE
219 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
220 %token tHIDDEN
221 %token tHYPER tID tIDEMPOTENT
222 %token tIIDIS
223 %token tIMMEDIATEBIND
224 %token tIMPLICITHANDLE
225 %token tIMPORT tIMPORTLIB
226 %token tIN tIN_LINE tINLINE
227 %token tINPUTSYNC
228 %token tINT tINT3264 tINT64
229 %token tINTERFACE
230 %token tLCID
231 %token tLENGTHIS tLIBRARY
232 %token tLOCAL
233 %token tLONG
234 %token tMETHODS
235 %token tMODULE
236 %token tNONBROWSABLE
237 %token tNONCREATABLE
238 %token tNONEXTENSIBLE
239 %token tNULL
240 %token tOBJECT tODL tOLEAUTOMATION
241 %token tOPTIONAL
242 %token tOUT
243 %token tPASCAL
244 %token tPOINTERDEFAULT
245 %token tPROPERTIES
246 %token tPROPGET tPROPPUT tPROPPUTREF
247 %token tPTR
248 %token tPUBLIC
249 %token tRANGE
250 %token tREADONLY tREF
251 %token tREGISTER
252 %token tREQUESTEDIT
253 %token tRESTRICTED
254 %token tRETVAL
255 %token tSAFEARRAY
256 %token tSHORT
257 %token tSIGNED
258 %token tSIZEIS tSIZEOF
259 %token tSMALL
260 %token tSOURCE
261 %token tSTATIC
262 %token tSTDCALL
263 %token tSTRICTCONTEXTHANDLE
264 %token tSTRING tSTRUCT
265 %token tSWITCH tSWITCHIS tSWITCHTYPE
266 %token tTRANSMITAS
267 %token tTRUE
268 %token tTYPEDEF
269 %token tUNION
270 %token tUNIQUE
271 %token tUNSIGNED
272 %token tUUID
273 %token tV1ENUM
274 %token tVARARG
275 %token tVERSION
276 %token tVOID
277 %token tWCHAR tWIREMARSHAL
278
279 %type <attr> attribute type_qualifier function_specifier
280 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
281 %type <str_list> str_list
282 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
283 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
284 %type <ifinfo> interfacehdr
285 %type <stgclass> storage_cls_spec
286 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
287 %type <type> inherit interface interfacedef interfacedec
288 %type <type> dispinterface dispinterfacehdr dispinterfacedef
289 %type <type> module modulehdr moduledef
290 %type <type> base_type int_std
291 %type <type> enumdef structdef uniondef typedecl
292 %type <type> type
293 %type <ifref> coclass_int
294 %type <ifref_list> coclass_ints
295 %type <var> arg ne_union_field union_field s_field case enum declaration
296 %type <var_list> m_args arg_list args
297 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
298 %type <var> m_ident ident
299 %type <declarator> declarator direct_declarator init_declarator struct_declarator
300 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
301 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
302 %type <declarator_list> declarator_list struct_declarator_list
303 %type <func> funcdef
304 %type <type> coclass coclasshdr coclassdef
305 %type <num> pointer_type version
306 %type <str> libraryhdr callconv cppquote importlib import t_ident
307 %type <uuid> uuid_string
308 %type <import> import_start
309 %type <typelib> library_start librarydef
310 %type <statement> statement typedef
311 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
312
313 %left ','
314 %right '?' ':'
315 %left LOGICALOR
316 %left LOGICALAND
317 %left '|'
318 %left '^'
319 %left '&'
320 %left EQUALITY INEQUALITY
321 %left '<' '>' LESSEQUAL GREATEREQUAL
322 %left SHL SHR
323 %left '-' '+'
324 %left '*' '/' '%'
325 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
326 %left '.' MEMBERPTR '[' ']'
327
328 %%
329
330 input: gbl_statements { fix_incomplete();
331 check_statements($1, FALSE);
332 check_all_user_types($1);
333 write_header($1);
334 write_id_data($1);
335 write_proxies($1);
336 write_client($1);
337 write_server($1);
338 write_dlldata($1);
339 write_local_stubs($1);
340 }
341 ;
342
343 gbl_statements: { $$ = NULL; }
344 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
345 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
346 | gbl_statements coclass ';' { $$ = $1;
347 reg_type($2, $2->name, 0);
348 }
349 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
350 reg_type($2, $2->name, 0);
351 }
352 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
353 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
354 | gbl_statements statement { $$ = append_statement($1, $2); }
355 ;
356
357 imp_statements: { $$ = NULL; }
358 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
359 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
360 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
361 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
362 reg_type($2, $2->name, 0);
363 }
364 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
365 | imp_statements statement { $$ = append_statement($1, $2); }
366 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
367 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
368 ;
369
370 int_statements: { $$ = NULL; }
371 | int_statements statement { $$ = append_statement($1, $2); }
372 ;
373
374 semicolon_opt:
375 | ';'
376 ;
377
378 statement:
379 cppquote { $$ = make_statement_cppquote($1); }
380 | typedecl ';' { $$ = make_statement_type_decl($1); }
381 | declaration ';' { $$ = make_statement_declaration($1); }
382 | import { $$ = make_statement_import($1); }
383 | typedef ';' { $$ = $1; }
384 ;
385
386 typedecl:
387 enumdef
388 | structdef
389 | uniondef
390 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
391 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
392 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
393 ;
394
395 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
396 ;
397 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
398 $$ = xmalloc(sizeof(struct _import_t));
399 $$->name = $2;
400 $$->import_performed = do_import($2);
401 if (!$$->import_performed) yychar = aEOF;
402 }
403 ;
404
405 import: import_start imp_statements aEOF { $$ = $1->name;
406 if ($1->import_performed) pop_import();
407 free($1);
408 }
409 ;
410
411 importlib: tIMPORTLIB '(' aSTRING ')'
412 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
413 ;
414
415 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
416 ;
417 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
418 if (!parse_only) start_typelib($$);
419 }
420 ;
421 librarydef: library_start imp_statements '}'
422 semicolon_opt { $$ = $1;
423 $$->stmts = $2;
424 if (!parse_only) end_typelib();
425 }
426 ;
427
428 m_args: { $$ = NULL; }
429 | args
430 ;
431
432 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
433 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
434 ;
435
436 args: arg_list
437 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
438 ;
439
440 /* split into two rules to get bison to resolve a tVOID conflict */
441 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
442 error_loc("invalid storage class for function parameter\n");
443 $$ = declare_var($1, $2, $3, TRUE);
444 free($2); free($3);
445 }
446 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
447 error_loc("invalid storage class for function parameter\n");
448 $$ = declare_var(NULL, $1, $2, TRUE);
449 free($1); free($2);
450 }
451 ;
452
453 array: '[' m_expr ']' { $$ = $2; }
454 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
455 ;
456
457 m_attributes: { $$ = NULL; }
458 | attributes
459 ;
460
461 attributes:
462 '[' attrib_list ']' { $$ = $2; }
463 ;
464
465 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
466 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
467 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
468 ;
469
470 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
471 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
472 ;
473
474 attribute: { $$ = NULL; }
475 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
476 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
477 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
478 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
479 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
480 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
481 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
482 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
483 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
484 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
485 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
486 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
487 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
488 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
489 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
490 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
491 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
492 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
493 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
494 | tDUAL { $$ = make_attr(ATTR_DUAL); }
495 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
496 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
497 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
498 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
499 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
500 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
501 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
502 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
503 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
504 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
505 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
506 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
507 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
508 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
509 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
510 | tIN { $$ = make_attr(ATTR_IN); }
511 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
512 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
513 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
514 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
515 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
516 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
517 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
518 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
519 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
520 | tODL { $$ = make_attr(ATTR_ODL); }
521 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
522 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
523 | tOUT { $$ = make_attr(ATTR_OUT); }
524 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
525 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
526 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
527 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
528 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
529 | tRANGE '(' expr_int_const ',' expr_int_const ')'
530 { expr_list_t *list = append_expr( NULL, $3 );
531 list = append_expr( list, $5 );
532 $$ = make_attrp(ATTR_RANGE, list); }
533 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
534 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
535 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
536 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
537 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
538 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
539 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
540 | tSTRING { $$ = make_attr(ATTR_STRING); }
541 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
542 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
543 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
544 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
545 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
546 | tVARARG { $$ = make_attr(ATTR_VARARG); }
547 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
548 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
549 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
550 ;
551
552 uuid_string:
553 aUUID
554 | aSTRING { if (!is_valid_uuid($1))
555 error_loc("invalid UUID: %s\n", $1);
556 $$ = parse_uuid($1); }
557 ;
558
559 callconv: tCDECL { $$ = $<str>1; }
560 | tFASTCALL { $$ = $<str>1; }
561 | tPASCAL { $$ = $<str>1; }
562 | tSTDCALL { $$ = $<str>1; }
563 ;
564
565 cases: { $$ = NULL; }
566 | cases case { $$ = append_var( $1, $2 ); }
567 ;
568
569 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
570 $$ = $4; if (!$$) $$ = make_var(NULL);
571 $$->attrs = append_attr( $$->attrs, a );
572 }
573 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
574 $$ = $3; if (!$$) $$ = make_var(NULL);
575 $$->attrs = append_attr( $$->attrs, a );
576 }
577 ;
578
579 enums: { $$ = NULL; }
580 | enum_list ',' { $$ = $1; }
581 | enum_list
582 ;
583
584 enum_list: enum { if (!$1->eval)
585 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
586 $$ = append_var( NULL, $1 );
587 }
588 | enum_list ',' enum { if (!$3->eval)
589 {
590 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
591 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
592 }
593 $$ = append_var( $1, $3 );
594 }
595 ;
596
597 enum: ident '=' expr_int_const { $$ = reg_const($1);
598 $$->eval = $3;
599 $$->type = type_new_int(TYPE_BASIC_INT, 0);
600 }
601 | ident { $$ = reg_const($1);
602 $$->type = type_new_int(TYPE_BASIC_INT, 0);
603 }
604 ;
605
606 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
607 ;
608
609 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
610 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
611 ;
612
613 /*
614 exprs: { $$ = make_expr(EXPR_VOID); }
615 | expr_list
616 ;
617
618 expr_list: expr
619 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
620 ;
621 */
622
623 m_expr: { $$ = make_expr(EXPR_VOID); }
624 | expr
625 ;
626
627 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
628 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
629 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
630 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
631 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
632 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
633 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
634 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
635 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
636 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
637 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
638 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
639 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
640 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
641 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
642 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
643 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
644 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
645 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
646 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
647 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
648 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
649 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
650 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
651 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
652 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
653 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
654 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
655 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
656 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
657 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
658 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
659 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
660 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
661 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
662 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
663 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
664 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
665 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
666 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
667 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
668 | '(' expr ')' { $$ = $2; }
669 ;
670
671 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
672 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
673 ;
674
675 expr_int_const: expr { $$ = $1;
676 if (!$$->is_const)
677 error_loc("expression is not an integer constant\n");
678 }
679 ;
680
681 expr_const: expr { $$ = $1;
682 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
683 error_loc("expression is not constant\n");
684 }
685 ;
686
687 fields: { $$ = NULL; }
688 | fields field { $$ = append_var_list($1, $2); }
689 ;
690
691 field: m_attributes decl_spec struct_declarator_list ';'
692 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
693 check_field_attrs(first, $1);
694 $$ = set_var_types($1, $2, $3);
695 }
696 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
697 v->type = $2; v->attrs = $1;
698 $$ = append_var(NULL, v);
699 }
700 ;
701
702 ne_union_field:
703 s_field ';' { $$ = $1; }
704 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
705 ;
706
707 ne_union_fields: { $$ = NULL; }
708 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
709 ;
710
711 union_field:
712 s_field ';' { $$ = $1; }
713 | ';' { $$ = NULL; }
714 ;
715
716 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
717 $2, $3, FALSE);
718 free($3);
719 }
720 ;
721
722 funcdef:
723 m_attributes decl_spec declarator { var_t *v;
724 v = declare_var(check_function_attrs($3->var->name, $1),
725 $2, $3, FALSE);
726 free($3);
727 $$ = make_func(v);
728 }
729 ;
730
731 declaration:
732 attributes decl_spec init_declarator
733 { $$ = declare_var($1, $2, $3, FALSE);
734 free($3);
735 }
736 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
737 free($2);
738 }
739 ;
740
741 m_ident: { $$ = NULL; }
742 | ident
743 ;
744
745 t_ident: { $$ = NULL; }
746 | aIDENTIFIER { $$ = $1; }
747 | aKNOWNTYPE { $$ = $1; }
748 ;
749
750 ident: aIDENTIFIER { $$ = make_var($1); }
751 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
752 | aKNOWNTYPE { $$ = make_var($<str>1); }
753 ;
754
755 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
756 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
757 | int_std
758 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
759 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
760 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
761 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
762 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
763 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
764 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
765 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
766 ;
767
768 m_int:
769 | tINT
770 ;
771
772 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
773 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
774 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
775 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
776 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
777 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
778 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
779 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
780 ;
781
782 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
783 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
784 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
785 error_loc("%s was not declared a coclass at %s:%d\n",
786 $2, $$->loc_info.input_name,
787 $$->loc_info.line_number);
788 }
789 ;
790
791 coclasshdr: attributes coclass { $$ = $2;
792 check_def($$);
793 $$->attrs = check_coclass_attrs($2->name, $1);
794 }
795 ;
796
797 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
798 { $$ = type_coclass_define($1, $3); }
799 ;
800
801 coclass_ints: { $$ = NULL; }
802 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
803 ;
804
805 coclass_int:
806 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
807 ;
808
809 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
810 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
811 ;
812
813 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
814 is_object_interface = TRUE;
815 $$ = $2;
816 check_def($$);
817 attrs = make_attr(ATTR_DISPINTERFACE);
818 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
819 $$->defined = TRUE;
820 }
821 ;
822
823 dispint_props: tPROPERTIES ':' { $$ = NULL; }
824 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
825 ;
826
827 dispint_meths: tMETHODS ':' { $$ = NULL; }
828 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
829 ;
830
831 dispinterfacedef: dispinterfacehdr '{'
832 dispint_props
833 dispint_meths
834 '}' { $$ = $1;
835 type_dispinterface_define($$, $3, $4);
836 }
837 | dispinterfacehdr
838 '{' interface ';' '}' { $$ = $1;
839 type_dispinterface_define_from_iface($$, $3);
840 }
841 ;
842
843 inherit: { $$ = NULL; }
844 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); is_object_interface = 1; }
845 ;
846
847 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
848 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
849 ;
850
851 interfacehdr: attributes interface { $$.interface = $2;
852 $$.old_pointer_default = pointer_default;
853 if (is_attr($1, ATTR_POINTERDEFAULT))
854 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
855 check_def($2);
856 $2->attrs = check_iface_attrs($2->name, $1);
857 is_object_interface = is_object($2);
858 $2->defined = TRUE;
859 }
860 ;
861
862 interfacedef: interfacehdr inherit
863 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
864 type_interface_define($$, $2, $4);
865 pointer_default = $1.old_pointer_default;
866 }
867 /* MIDL is able to import the definition of a base class from inside the
868 * definition of a derived class, I'll try to support it with this rule */
869 | interfacehdr ':' aIDENTIFIER
870 '{' import int_statements '}'
871 semicolon_opt { $$ = $1.interface;
872 type_interface_define($$, find_type_or_error2($3, 0), $6);
873 pointer_default = $1.old_pointer_default;
874 }
875 | dispinterfacedef semicolon_opt { $$ = $1; }
876 ;
877
878 interfacedec:
879 interface ';' { $$ = $1; }
880 | dispinterface ';' { $$ = $1; }
881 ;
882
883 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
884 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
885 ;
886
887 modulehdr: attributes module { $$ = $2;
888 $$->attrs = check_module_attrs($2->name, $1);
889 }
890 ;
891
892 moduledef: modulehdr '{' int_statements '}'
893 semicolon_opt { $$ = $1;
894 type_module_define($$, $3);
895 }
896 ;
897
898 storage_cls_spec:
899 tEXTERN { $$ = STG_EXTERN; }
900 | tSTATIC { $$ = STG_STATIC; }
901 | tREGISTER { $$ = STG_REGISTER; }
902 ;
903
904 function_specifier:
905 tINLINE { $$ = make_attr(ATTR_INLINE); }
906 ;
907
908 type_qualifier:
909 tCONST { $$ = make_attr(ATTR_CONST); }
910 ;
911
912 m_type_qual_list: { $$ = NULL; }
913 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
914 ;
915
916 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
917 | decl_spec_no_type type m_decl_spec_no_type
918 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
919 ;
920
921 m_decl_spec_no_type: { $$ = NULL; }
922 | decl_spec_no_type
923 ;
924
925 decl_spec_no_type:
926 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
927 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
928 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
929 ;
930
931 declarator:
932 '*' m_type_qual_list declarator %prec PPTR
933 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
934 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
935 | direct_declarator
936 ;
937
938 direct_declarator:
939 ident { $$ = make_declarator($1); }
940 | '(' declarator ')' { $$ = $2; }
941 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
942 | direct_declarator '(' m_args ')' { $$ = $1;
943 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
944 $$->type = NULL;
945 }
946 ;
947
948 /* abstract declarator */
949 abstract_declarator:
950 '*' m_type_qual_list m_abstract_declarator %prec PPTR
951 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
952 | callconv m_abstract_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
953 | abstract_direct_declarator
954 ;
955
956 /* abstract declarator without accepting direct declarator */
957 abstract_declarator_no_direct:
958 '*' m_type_qual_list m_any_declarator %prec PPTR
959 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
960 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
961 ;
962
963 /* abstract declarator or empty */
964 m_abstract_declarator: { $$ = make_declarator(NULL); }
965 | abstract_declarator
966 ;
967
968 /* abstract direct declarator */
969 abstract_direct_declarator:
970 '(' abstract_declarator_no_direct ')' { $$ = $2; }
971 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
972 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
973 | '(' m_args ')'
974 { $$ = make_declarator(NULL);
975 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
976 $$->type = NULL;
977 }
978 | abstract_direct_declarator '(' m_args ')'
979 { $$ = $1;
980 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
981 $$->type = NULL;
982 }
983 ;
984
985 /* abstract or non-abstract declarator */
986 any_declarator:
987 '*' m_type_qual_list m_any_declarator %prec PPTR
988 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
989 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
990 | any_direct_declarator
991 ;
992
993 /* abstract or non-abstract declarator without accepting direct declarator */
994 any_declarator_no_direct:
995 '*' m_type_qual_list m_any_declarator %prec PPTR
996 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
997 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
998 ;
999
1000 /* abstract or non-abstract declarator or empty */
1001 m_any_declarator: { $$ = make_declarator(NULL); }
1002 | any_declarator
1003 ;
1004
1005 /* abstract or non-abstract direct declarator. note: direct declarators
1006 * aren't accepted inside brackets to avoid ambiguity with the rule for
1007 * function arguments */
1008 any_direct_declarator:
1009 ident { $$ = make_declarator($1); }
1010 | '(' any_declarator_no_direct ')' { $$ = $2; }
1011 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1012 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1013 | '(' m_args ')'
1014 { $$ = make_declarator(NULL);
1015 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1016 $$->type = NULL;
1017 }
1018 | any_direct_declarator '(' m_args ')'
1019 { $$ = $1;
1020 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1021 $$->type = NULL;
1022 }
1023 ;
1024
1025 declarator_list:
1026 declarator { $$ = append_declarator( NULL, $1 ); }
1027 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1028 ;
1029
1030 m_bitfield: { $$ = NULL; }
1031 | ':' expr_const { $$ = $2; }
1032 ;
1033
1034 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1035 if (!$$->bits && !$$->var->name)
1036 error_loc("unnamed fields are not allowed\n");
1037 }
1038 ;
1039
1040 struct_declarator_list:
1041 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1042 | struct_declarator_list ',' struct_declarator
1043 { $$ = append_declarator( $1, $3 ); }
1044 ;
1045
1046 init_declarator:
1047 declarator { $$ = $1; }
1048 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1049 ;
1050
1051 pointer_type:
1052 tREF { $$ = RPC_FC_RP; }
1053 | tUNIQUE { $$ = RPC_FC_UP; }
1054 | tPTR { $$ = RPC_FC_FP; }
1055 ;
1056
1057 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1058 ;
1059
1060 type: tVOID { $$ = type_new_void(); }
1061 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1062 | base_type { $$ = $1; }
1063 | enumdef { $$ = $1; }
1064 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1065 | structdef { $$ = $1; }
1066 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1067 | uniondef { $$ = $1; }
1068 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1069 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1070 ;
1071
1072 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1073 { reg_typedefs($3, $4, check_typedef_attrs($2));
1074 $$ = make_statement_typedef($4);
1075 }
1076 ;
1077
1078 uniondef: tUNION t_ident '{' ne_union_fields '}'
1079 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1080 | tUNION t_ident
1081 tSWITCH '(' s_field ')'
1082 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1083 ;
1084
1085 version:
1086 aNUM { $$ = MAKEVERSION($1, 0); }
1087 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1088 ;
1089
1090 %%
1091
1092 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1093 {
1094 type_t *t = type_new_basic(type);
1095 reg_type(t, name, 0);
1096 }
1097
1098 static void decl_builtin_alias(const char *name, type_t *t)
1099 {
1100 reg_type(type_new_alias(t, name), name, 0);
1101 }
1102
1103 void init_types(void)
1104 {
1105 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1106 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1107 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1108 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1109 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1110 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1111 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1112 }
1113
1114 static str_list_t *append_str(str_list_t *list, char *str)
1115 {
1116 struct str_list_entry_t *entry;
1117
1118 if (!str) return list;
1119 if (!list)
1120 {
1121 list = xmalloc( sizeof(*list) );
1122 list_init( list );
1123 }
1124 entry = xmalloc( sizeof(*entry) );
1125 entry->str = str;
1126 list_add_tail( list, &entry->entry );
1127 return list;
1128 }
1129
1130 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1131 {
1132 attr_t *attr_existing;
1133 if (!attr) return list;
1134 if (!list)
1135 {
1136 list = xmalloc( sizeof(*list) );
1137 list_init( list );
1138 }
1139 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1140 if (attr_existing->type == attr->type)
1141 {
1142 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1143 /* use the last attribute, like MIDL does */
1144 list_remove(&attr_existing->entry);
1145 break;
1146 }
1147 list_add_tail( list, &attr->entry );
1148 return list;
1149 }
1150
1151 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1152 {
1153 attr_t *attr;
1154 if (!src) return dst;
1155 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1156 if (attr->type == type)
1157 {
1158 list_remove(&attr->entry);
1159 return append_attr(dst, attr);
1160 }
1161 return dst;
1162 }
1163
1164 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1165 {
1166 struct list *entry;
1167
1168 if (!old_list) return new_list;
1169
1170 while ((entry = list_head(old_list)))
1171 {
1172 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1173 list_remove(entry);
1174 new_list = append_attr(new_list, attr);
1175 }
1176 return new_list;
1177 }
1178
1179 static attr_list_t *dupattrs(const attr_list_t *list)
1180 {
1181 attr_list_t *new_list;
1182 const attr_t *attr;
1183
1184 if (!list) return NULL;
1185
1186 new_list = xmalloc( sizeof(*list) );
1187 list_init( new_list );
1188 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1189 {
1190 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1191 *new_attr = *attr;
1192 list_add_tail(new_list, &new_attr->entry);
1193 }
1194 return new_list;
1195 }
1196
1197 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)
1198 {
1199 decl_spec_t *declspec = left ? left : right;
1200 if (!declspec)
1201 {
1202 declspec = xmalloc(sizeof(*declspec));
1203 declspec->type = NULL;
1204 declspec->attrs = NULL;
1205 declspec->stgclass = STG_NONE;
1206 }
1207 declspec->type = type;
1208 if (left && declspec != left)
1209 {
1210 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1211 if (declspec->stgclass == STG_NONE)
1212 declspec->stgclass = left->stgclass;
1213 else if (left->stgclass != STG_NONE)
1214 error_loc("only one storage class can be specified\n");
1215 assert(!left->type);
1216 free(left);
1217 }
1218 if (right && declspec != right)
1219 {
1220 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1221 if (declspec->stgclass == STG_NONE)
1222 declspec->stgclass = right->stgclass;
1223 else if (right->stgclass != STG_NONE)
1224 error_loc("only one storage class can be specified\n");
1225 assert(!right->type);
1226 free(right);
1227 }
1228
1229 declspec->attrs = append_attr(declspec->attrs, attr);
1230 if (declspec->stgclass == STG_NONE)
1231 declspec->stgclass = stgclass;
1232 else if (stgclass != STG_NONE)
1233 error_loc("only one storage class can be specified\n");
1234
1235 /* apply attributes to type */
1236 if (type && declspec->attrs)
1237 {
1238 attr_list_t *attrs;
1239 declspec->type = duptype(type, 1);
1240 attrs = dupattrs(type->attrs);
1241 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1242 declspec->attrs = NULL;
1243 }
1244
1245 return declspec;
1246 }
1247
1248 static attr_t *make_attr(enum attr_type type)
1249 {
1250 attr_t *a = xmalloc(sizeof(attr_t));
1251 a->type = type;
1252 a->u.ival = 0;
1253 return a;
1254 }
1255
1256 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1257 {
1258 attr_t *a = xmalloc(sizeof(attr_t));
1259 a->type = type;
1260 a->u.ival = val;
1261 return a;
1262 }
1263
1264 static attr_t *make_attrp(enum attr_type type, void *val)
1265 {
1266 attr_t *a = xmalloc(sizeof(attr_t));
1267 a->type = type;
1268 a->u.pval = val;
1269 return a;
1270 }
1271
1272 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1273 {
1274 if (!expr) return list;
1275 if (!list)
1276 {
1277 list = xmalloc( sizeof(*list) );
1278 list_init( list );
1279 }
1280 list_add_tail( list, &expr->entry );
1281 return list;
1282 }
1283
1284 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1285 {
1286 if (!expr) return list;
1287 if (!list)
1288 {
1289 list = xmalloc( sizeof(*list) );
1290 list_init( list );
1291 }
1292 list_add_tail( list, &expr->entry );
1293 return list;
1294 }
1295
1296 static struct list type_pool = LIST_INIT(type_pool);
1297 typedef struct
1298 {
1299 type_t data;
1300 struct list link;
1301 } type_pool_node_t;
1302
1303 type_t *alloc_type(void)
1304 {
1305 type_pool_node_t *node = xmalloc(sizeof *node);
1306 list_add_tail(&type_pool, &node->link);
1307 return &node->data;
1308 }
1309
1310 void set_all_tfswrite(int val)
1311 {
1312 type_pool_node_t *node;
1313 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1314 node->data.tfswrite = val;
1315 }
1316
1317 void clear_all_offsets(void)
1318 {
1319 type_pool_node_t *node;
1320 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1321 node->data.typestring_offset = node->data.ptrdesc = 0;
1322 }
1323
1324 static void type_function_add_head_arg(type_t *type, var_t *arg)
1325 {
1326 if (!type->details.function->args)
1327 {
1328 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1329 list_init( type->details.function->args );
1330 }
1331 list_add_head( type->details.function->args, &arg->entry );
1332 }
1333
1334 static int is_allowed_range_type(const type_t *type)
1335 {
1336 switch (type_get_type(type))
1337 {
1338 case TYPE_ENUM:
1339 return TRUE;
1340 case TYPE_BASIC:
1341 switch (type_basic_get_type(type))
1342 {
1343 case TYPE_BASIC_INT8:
1344 case TYPE_BASIC_INT16:
1345 case TYPE_BASIC_INT32:
1346 case TYPE_BASIC_INT64:
1347 case TYPE_BASIC_INT:
1348 case TYPE_BASIC_INT3264:
1349 case TYPE_BASIC_BYTE:
1350 case TYPE_BASIC_CHAR:
1351 case TYPE_BASIC_WCHAR:
1352 case TYPE_BASIC_HYPER:
1353 return TRUE;
1354 case TYPE_BASIC_FLOAT:
1355 case TYPE_BASIC_DOUBLE:
1356 case TYPE_BASIC_ERROR_STATUS_T:
1357 case TYPE_BASIC_HANDLE:
1358 return FALSE;
1359 }
1360 return FALSE;
1361 default:
1362 return FALSE;
1363 }
1364 }
1365
1366 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1367 {
1368 type_t *ptrchain_type;
1369 if (!ptrchain)
1370 return type;
1371 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1372 ;
1373 assert(ptrchain_type->type_type == TYPE_POINTER);
1374 ptrchain_type->details.pointer.ref = type;
1375 return ptrchain;
1376 }
1377
1378 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1379 int top)
1380 {
1381 var_t *v = decl->var;
1382 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1383 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1384 int sizeless;
1385 expr_t *dim;
1386 type_t **ptype;
1387 array_dims_t *arr = decl ? decl->array : NULL;
1388 type_t *func_type = decl ? decl->func_type : NULL;
1389 type_t *type = decl_spec->type;
1390
1391 if (is_attr(type->attrs, ATTR_INLINE))
1392 {
1393 if (!func_type)
1394 error_loc("inline attribute applied to non-function type\n");
1395 else
1396 {
1397 type_t *t;
1398 /* move inline attribute from return type node to function node */
1399 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1400 ;
1401 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1402 }
1403 }
1404
1405 /* add type onto the end of the pointers in pident->type */
1406 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1407 v->stgclass = decl_spec->stgclass;
1408 v->attrs = attrs;
1409
1410 /* check for pointer attribute being applied to non-pointer, non-array
1411 * type */
1412 if (!arr)
1413 {
1414 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1415 const type_t *ptr = NULL;
1416 /* pointer attributes on the left side of the type belong to the function
1417 * pointer, if one is being declared */
1418 type_t **pt = func_type ? &func_type : &v->type;
1419 for (ptr = *pt; ptr && !ptr_attr; )
1420 {
1421 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1422 if (!ptr_attr && type_is_alias(ptr))
1423 ptr = type_alias_get_aliasee(ptr);
1424 else
1425 break;
1426 }
1427 if (is_ptr(ptr))
1428 {
1429 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1430 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1431 warning_loc_info(&v->loc_info,
1432 "%s: pointer attribute applied to interface "
1433 "pointer type has no effect\n", v->name);
1434 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1435 {
1436 /* FIXME: this is a horrible hack to cope with the issue that we
1437 * store an offset to the typeformat string in the type object, but
1438 * two typeformat strings may be written depending on whether the
1439 * pointer is a toplevel parameter or not */
1440 *pt = duptype(*pt, 1);
1441 }
1442 }
1443 else if (ptr_attr)
1444 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1445 }
1446
1447 if (is_attr(v->attrs, ATTR_STRING))
1448 {
1449 type_t *t = type;
1450
1451 if (!is_ptr(v->type) && !arr)
1452 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1453 v->name);
1454
1455 while (is_ptr(t))
1456 t = type_pointer_get_ref(t);
1457
1458 if (type_get_type(t) != TYPE_BASIC &&
1459 (get_basic_fc(t) != RPC_FC_CHAR &&
1460 get_basic_fc(t) != RPC_FC_BYTE &&
1461 get_basic_fc(t) != RPC_FC_WCHAR))
1462 {
1463 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1464 v->name);
1465 }
1466 }
1467
1468 if (is_attr(v->attrs, ATTR_V1ENUM))
1469 {
1470 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1471 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1472 }
1473
1474 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1475 error_loc("'%s': [range] attribute applied to non-integer type\n",
1476 v->name);
1477
1478 ptype = &v->type;
1479 sizeless = FALSE;
1480 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1481 {
1482 if (sizeless)
1483 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1484
1485 if (dim->is_const)
1486 {
1487 if (dim->cval <= 0)
1488 error_loc("%s: array dimension must be positive\n", v->name);
1489
1490 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1491 if (0)
1492 {
1493 unsigned int align = 0;
1494 unsigned int size = type_memsize(v->type, &align);
1495
1496 if (0xffffffffu / size < dim->cval)
1497 error_loc("%s: total array size is too large\n", v->name);
1498 }
1499 }
1500 else
1501 sizeless = TRUE;
1502
1503 *ptype = type_new_array(NULL, *ptype, FALSE,
1504 dim->is_const ? dim->cval : 0,
1505 dim->is_const ? NULL : dim, NULL,
1506 pointer_default);
1507 }
1508
1509 ptype = &v->type;
1510 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1511 {
1512 if (dim->type != EXPR_VOID)
1513 {
1514 if (is_array(*ptype))
1515 {
1516 if (type_array_get_conformance(*ptype)->is_const)
1517 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1518 else
1519 *ptype = type_new_array((*ptype)->name,
1520 type_array_get_element(*ptype), FALSE,
1521 0, dim, NULL, 0);
1522 }
1523 else if (is_ptr(*ptype))
1524 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1525 0, dim, NULL, pointer_default);
1526 else
1527 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1528 }
1529
1530 if (is_ptr(*ptype))
1531 ptype = &(*ptype)->details.pointer.ref;
1532 else if (is_array(*ptype))
1533 ptype = &(*ptype)->details.array.elem;
1534 else
1535 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1536 }
1537
1538 ptype = &v->type;
1539 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1540 {
1541 if (dim->type != EXPR_VOID)
1542 {
1543 if (is_array(*ptype))
1544 {
1545 *ptype = type_new_array((*ptype)->name,
1546 type_array_get_element(*ptype),
1547 type_array_is_decl_as_ptr(*ptype),
1548 type_array_get_dim(*ptype),
1549 type_array_get_conformance(*ptype),
1550 dim, type_array_get_ptr_default_fc(*ptype));
1551 }
1552 else
1553 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1554 }
1555
1556 if (is_ptr(*ptype))
1557 ptype = &(*ptype)->details.pointer.ref;
1558 else if (is_array(*ptype))
1559 ptype = &(*ptype)->details.array.elem;
1560 else
1561 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1562 }
1563
1564 /* v->type is currently pointing to the type on the left-side of the
1565 * declaration, so we need to fix this up so that it is the return type of the
1566 * function and make v->type point to the function side of the declaration */
1567 if (func_type)
1568 {
1569 type_t *ft, *t;
1570 type_t *return_type = v->type;
1571 v->type = func_type;
1572 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1573 ;
1574 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1575 ft->details.function->rettype = return_type;
1576 /* move calling convention attribute, if present, from pointer nodes to
1577 * function node */
1578 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1579 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1580 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1581 {
1582 static char *stdmethodcalltype;
1583 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1584 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1585 }
1586 }
1587 else
1588 {
1589 type_t *t;
1590 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1591 if (is_attr(t->attrs, ATTR_CALLCONV))
1592 error_loc("calling convention applied to non-function-pointer type\n");
1593 }
1594
1595 if (decl->bits)
1596 v->type = type_new_bitfield(v->type, decl->bits);
1597
1598 return v;
1599 }
1600
1601 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1602 {
1603 declarator_t *decl, *next;
1604 var_list_t *var_list = NULL;
1605
1606 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1607 {
1608 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1609 var_list = append_var(var_list, var);
1610 free(decl);
1611 }
1612 free(decl_spec);
1613 return var_list;
1614 }
1615
1616 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1617 {
1618 if (!iface) return list;
1619 if (!list)
1620 {
1621 list = xmalloc( sizeof(*list) );
1622 list_init( list );
1623 }
1624 list_add_tail( list, &iface->entry );
1625 return list;
1626 }
1627
1628 static ifref_t *make_ifref(type_t *iface)
1629 {
1630 ifref_t *l = xmalloc(sizeof(ifref_t));
1631 l->iface = iface;
1632 l->attrs = NULL;
1633 return l;
1634 }
1635
1636 var_list_t *append_var(var_list_t *list, var_t *var)
1637 {
1638 if (!var) return list;
1639 if (!list)
1640 {
1641 list = xmalloc( sizeof(*list) );
1642 list_init( list );
1643 }
1644 list_add_tail( list, &var->entry );
1645 return list;
1646 }
1647
1648 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1649 {
1650 if (!vars) return list;
1651 if (!list)
1652 {
1653 list = xmalloc( sizeof(*list) );
1654 list_init( list );
1655 }
1656 list_move_tail( list, vars );
1657 return list;
1658 }
1659
1660 var_t *make_var(char *name)
1661 {
1662 var_t *v = xmalloc(sizeof(var_t));
1663 v->name = name;
1664 v->type = NULL;
1665 v->attrs = NULL;
1666 v->eval = NULL;
1667 v->stgclass = STG_NONE;
1668 init_loc_info(&v->loc_info);
1669 return v;
1670 }
1671
1672 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1673 {
1674 if (!d) return list;
1675 if (!list) {
1676 list = xmalloc(sizeof(*list));
1677 list_init(list);
1678 }
1679 list_add_tail(list, &d->entry);
1680 return list;
1681 }
1682
1683 static declarator_t *make_declarator(var_t *var)
1684 {
1685 declarator_t *d = xmalloc(sizeof(*d));
1686 d->var = var ? var : make_var(NULL);
1687 d->type = NULL;
1688 d->func_type = NULL;
1689 d->array = NULL;
1690 d->bits = NULL;
1691 return d;
1692 }
1693
1694 static func_list_t *append_func(func_list_t *list, func_t *func)
1695 {
1696 if (!func) return list;
1697 if (!list)
1698 {
1699 list = xmalloc( sizeof(*list) );
1700 list_init( list );
1701 }
1702 list_add_tail( list, &func->entry );
1703 return list;
1704 }
1705
1706 static func_t *make_func(var_t *def)
1707 {
1708 func_t *f = xmalloc(sizeof(func_t));
1709 f->def = def;
1710 return f;
1711 }
1712
1713 static type_t *make_safearray(type_t *type)
1714 {
1715 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1716 NULL, NULL, RPC_FC_RP);
1717 }
1718
1719 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1720 {
1721 typelib_t *typelib = xmalloc(sizeof(*typelib));
1722 typelib->name = xstrdup(name);
1723 typelib->filename = NULL;
1724 typelib->attrs = attrs;
1725 list_init( &typelib->importlibs );
1726 return typelib;
1727 }
1728
1729 #define HASHMAX 64
1730
1731 static int hash_ident(const char *name)
1732 {
1733 const char *p = name;
1734 int sum = 0;
1735 /* a simple sum hash is probably good enough */
1736 while (*p) {
1737 sum += *p;
1738 p++;
1739 }
1740 return sum & (HASHMAX-1);
1741 }
1742
1743 /***** type repository *****/
1744
1745 struct rtype {
1746 const char *name;
1747 type_t *type;
1748 int t;
1749 struct rtype *next;
1750 };
1751
1752 struct rtype *type_hash[HASHMAX];
1753
1754 type_t *reg_type(type_t *type, const char *name, int t)
1755 {
1756 struct rtype *nt;
1757 int hash;
1758 if (!name) {
1759 error_loc("registering named type without name\n");
1760 return type;
1761 }
1762 hash = hash_ident(name);
1763 nt = xmalloc(sizeof(struct rtype));
1764 nt->name = name;
1765 nt->type = type;
1766 nt->t = t;
1767 nt->next = type_hash[hash];
1768 type_hash[hash] = nt;
1769 if ((t == tsSTRUCT || t == tsUNION))
1770 fix_incomplete_types(type);
1771 return type;
1772 }
1773
1774 static int is_incomplete(const type_t *t)
1775 {
1776 return !t->defined &&
1777 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1778 type_get_type_detect_alias(t) == TYPE_UNION ||
1779 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1780 }
1781
1782 void add_incomplete(type_t *t)
1783 {
1784 struct typenode *tn = xmalloc(sizeof *tn);
1785 tn->type = t;
1786 list_add_tail(&incomplete_types, &tn->entry);
1787 }
1788
1789 static void fix_type(type_t *t)
1790 {
1791 if (type_is_alias(t) && is_incomplete(t)) {
1792 type_t *ot = type_alias_get_aliasee(t);
1793 fix_type(ot);
1794 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1795 type_get_type_detect_alias(ot) == TYPE_UNION ||
1796 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1797 t->details.structure = ot->details.structure;
1798 t->defined = ot->defined;
1799 }
1800 }
1801
1802 static void fix_incomplete(void)
1803 {
1804 struct typenode *tn, *next;
1805
1806 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1807 fix_type(tn->type);
1808 list_remove(&tn->entry);
1809 free(tn);
1810 }
1811 }
1812
1813 static void fix_incomplete_types(type_t *complete_type)
1814 {
1815 struct typenode *tn, *next;
1816
1817 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1818 {
1819 if (type_is_equal(complete_type, tn->type))
1820 {
1821 tn->type->details.structure = complete_type->details.structure;
1822 list_remove(&tn->entry);
1823 free(tn);
1824 }
1825 }
1826 }
1827
1828 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1829 {
1830 const declarator_t *decl;
1831 type_t *type = decl_spec->type;
1832
1833 /* We must generate names for tagless enum, struct or union.
1834 Typedef-ing a tagless enum, struct or union means we want the typedef
1835 to be included in a library hence the public attribute. */
1836 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1837 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1838 type_get_type_detect_alias(type) == TYPE_UNION ||
1839 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1840 !type->name && !parse_only)
1841 {
1842 if (! is_attr(attrs, ATTR_PUBLIC))
1843 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1844 type->name = gen_name();
1845 }
1846 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1847 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1848
1849 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1850 {
1851
1852 if (decl->var->name) {
1853 type_t *cur;
1854 var_t *name;
1855
1856 cur = find_type(decl->var->name, 0);
1857 if (cur)
1858 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1859 cur->name, cur->loc_info.input_name,
1860 cur->loc_info.line_number);
1861
1862 name = declare_var(attrs, decl_spec, decl, 0);
1863 cur = type_new_alias(name->type, name->name);
1864 cur->attrs = attrs;
1865
1866 if (is_incomplete(cur))
1867 add_incomplete(cur);
1868 reg_type(cur, cur->name, 0);
1869 }
1870 }
1871 return type;
1872 }
1873
1874 type_t *find_type(const char *name, int t)
1875 {
1876 struct rtype *cur = type_hash[hash_ident(name)];
1877 while (cur && (cur->t != t || strcmp(cur->name, name)))
1878 cur = cur->next;
1879 return cur ? cur->type : NULL;
1880 }
1881
1882 static type_t *find_type_or_error(const char *name, int t)
1883 {
1884 type_t *type = find_type(name, t);
1885 if (!type) {
1886 error_loc("type '%s' not found\n", name);
1887 return NULL;
1888 }
1889 return type;
1890 }
1891
1892 static type_t *find_type_or_error2(char *name, int t)
1893 {
1894 type_t *tp = find_type_or_error(name, t);
1895 free(name);
1896 return tp;
1897 }
1898
1899 int is_type(const char *name)
1900 {
1901 return find_type(name, 0) != NULL;
1902 }
1903
1904 type_t *get_type(enum type_type type, char *name, int t)
1905 {
1906 type_t *tp;
1907 if (name) {
1908 tp = find_type(name, t);
1909 if (tp) {
1910 free(name);
1911 return tp;
1912 }
1913 }
1914 tp = make_type(type);
1915 tp->name = name;
1916 if (!name) return tp;
1917 return reg_type(tp, name, t);
1918 }
1919
1920 /***** constant repository *****/
1921
1922 struct rconst {
1923 char *name;
1924 var_t *var;
1925 struct rconst *next;
1926 };
1927
1928 struct rconst *const_hash[HASHMAX];
1929
1930 static var_t *reg_const(var_t *var)
1931 {
1932 struct rconst *nc;
1933 int hash;
1934 if (!var->name) {
1935 error_loc("registering constant without name\n");
1936 return var;
1937 }
1938 hash = hash_ident(var->name);
1939 nc = xmalloc(sizeof(struct rconst));
1940 nc->name = var->name;
1941 nc->var = var;
1942 nc->next = const_hash[hash];
1943 const_hash[hash] = nc;
1944 return var;
1945 }
1946
1947 var_t *find_const(const char *name, int f)
1948 {
1949 struct rconst *cur = const_hash[hash_ident(name)];
1950 while (cur && strcmp(cur->name, name))
1951 cur = cur->next;
1952 if (!cur) {
1953 if (f) error_loc("constant '%s' not found\n", name);
1954 return NULL;
1955 }
1956 return cur->var;
1957 }
1958
1959 static char *gen_name(void)
1960 {
1961 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1962 static unsigned long n = 0;
1963 static const char *file_id;
1964 static size_t size;
1965 char *name;
1966
1967 if (! file_id)
1968 {
1969 char *dst = dup_basename(input_name, ".idl");
1970 file_id = dst;
1971
1972 for (; *dst; ++dst)
1973 if (! isalnum((unsigned char) *dst))
1974 *dst = '_';
1975
1976 size = sizeof format - 7 + strlen(file_id) + 8;
1977 }
1978
1979 name = xmalloc(size);
1980 sprintf(name, format, file_id, n++);
1981 return name;
1982 }
1983
1984 struct allowed_attr
1985 {
1986 unsigned int dce_compatible : 1;
1987 unsigned int acf : 1;
1988 unsigned int on_interface : 1;
1989 unsigned int on_function : 1;
1990 unsigned int on_arg : 1;
1991 unsigned int on_type : 1;
1992 unsigned int on_enum : 1;
1993 unsigned int on_struct : 1;
1994 unsigned int on_union : 1;
1995 unsigned int on_field : 1;
1996 unsigned int on_library : 1;
1997 unsigned int on_dispinterface : 1;
1998 unsigned int on_module : 1;
1999 unsigned int on_coclass : 1;
2000 const char *display_name;
2001 };
2002
2003 struct allowed_attr allowed_attr[] =
2004 {
2005 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2006 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2007 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2008 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2009 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2010 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2011 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2012 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2013 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2014 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2015 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2016 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2017 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2018 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2019 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2020 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2021 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2022 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2023 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2024 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2025 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2026 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2027 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2028 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2029 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2030 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2031 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2032 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2033 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2034 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2035 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2036 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2037 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2038 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2039 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2040 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2041 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2042 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2043 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2044 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2045 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2046 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2047 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2048 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2049 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2050 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2051 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2052 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2053 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2054 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2055 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2056 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2057 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2058 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2059 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2060 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2061 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2062 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2063 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2064 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2065 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2066 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2067 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2068 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2069 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2070 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2071 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2072 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2073 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2074 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2075 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2076 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2077 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2078 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2079 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2080 };
2081
2082 const char *get_attr_display_name(enum attr_type type)
2083 {
2084 return allowed_attr[type].display_name;
2085 }
2086
2087 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2088 {
2089 const attr_t *attr;
2090 if (!attrs) return attrs;
2091 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2092 {
2093 if (!allowed_attr[attr->type].on_interface)
2094 error_loc("inapplicable attribute %s for interface %s\n",
2095 allowed_attr[attr->type].display_name, name);
2096 }
2097 return attrs;
2098 }
2099
2100 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2101 {
2102 const attr_t *attr;
2103 if (!attrs) return attrs;
2104 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2105 {
2106 if (!allowed_attr[attr->type].on_function)
2107 error_loc("inapplicable attribute %s for function %s\n",
2108 allowed_attr[attr->type].display_name, name);
2109 }
2110 return attrs;
2111 }
2112
2113 static void check_arg_attrs(const var_t *arg)
2114 {
2115 const attr_t *attr;
2116
2117 if (arg->attrs)
2118 {
2119 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2120 {
2121 if (!allowed_attr[attr->type].on_arg)
2122 error_loc("inapplicable attribute %s for argument %s\n",
2123 allowed_attr[attr->type].display_name, arg->name);
2124 }
2125 }
2126 }
2127
2128 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2129 {
2130 const attr_t *attr;
2131 if (!attrs) return attrs;
2132 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2133 {
2134 if (!allowed_attr[attr->type].on_type)
2135 error_loc("inapplicable attribute %s for typedef\n",
2136 allowed_attr[attr->type].display_name);
2137 }
2138 return attrs;
2139 }
2140
2141 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2142 {
2143 const attr_t *attr;
2144 if (!attrs) return attrs;
2145 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2146 {
2147 if (!allowed_attr[attr->type].on_enum)
2148 error_loc("inapplicable attribute %s for enum\n",
2149 allowed_attr[attr->type].display_name);
2150 }
2151 return attrs;
2152 }
2153
2154 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2155 {
2156 const attr_t *attr;
2157 if (!attrs) return attrs;
2158 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2159 {
2160 if (!allowed_attr[attr->type].on_struct)
2161 error_loc("inapplicable attribute %s for struct\n",
2162 allowed_attr[attr->type].display_name);
2163 }
2164 return attrs;
2165 }
2166
2167 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2168 {
2169 const attr_t *attr;
2170 if (!attrs) return attrs;
2171 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2172 {
2173 if (!allowed_attr[attr->type].on_union)
2174 error_loc("inapplicable attribute %s for union\n",
2175 allowed_attr[attr->type].display_name);
2176 }
2177 return attrs;
2178 }
2179
2180 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2181 {
2182 const attr_t *attr;
2183 if (!attrs) return attrs;
2184 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2185 {
2186 if (!allowed_attr[attr->type].on_field)
2187 error_loc("inapplicable attribute %s for field %s\n",
2188 allowed_attr[attr->type].display_name, name);
2189 }
2190 return attrs;
2191 }
2192
2193 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2194 {
2195 const attr_t *attr;
2196 if (!attrs) return attrs;
2197 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2198 {
2199 if (!allowed_attr[attr->type].on_library)
2200 error_loc("inapplicable attribute %s for library %s\n",
2201 allowed_attr[attr->type].display_name, name);
2202 }
2203 return attrs;
2204 }
2205
2206 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2207 {
2208 const attr_t *attr;
2209 if (!attrs) return attrs;
2210 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2211 {
2212 if (!allowed_attr[attr->type].on_dispinterface)
2213 error_loc("inapplicable attribute %s for dispinterface %s\n",
2214 allowed_attr[attr->type].display_name, name);
2215 }
2216 return attrs;
2217 }
2218
2219 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2220 {
2221 const attr_t *attr;
2222 if (!attrs) return attrs;
2223 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2224 {
2225 if (!allowed_attr[attr->type].on_module)
2226 error_loc("inapplicable attribute %s for module %s\n",
2227 allowed_attr[attr->type].display_name, name);
2228 }
2229 return attrs;
2230 }
2231
2232 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2233 {
2234 const attr_t *attr;
2235 if (!attrs) return attrs;
2236 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2237 {
2238 if (!allowed_attr[attr->type].on_coclass)
2239 error_loc("inapplicable attribute %s for coclass %s\n",
2240 allowed_attr[attr->type].display_name, name);
2241 }
2242 return attrs;
2243 }
2244
2245 static int is_allowed_conf_type(const type_t *type)
2246 {
2247 switch (type_get_type(type))
2248 {
2249 case TYPE_ENUM:
2250 return TRUE;
2251 case TYPE_BASIC:
2252 switch (type_basic_get_type(type))
2253 {
2254 case TYPE_BASIC_INT8:
2255 case TYPE_BASIC_INT16:
2256 case TYPE_BASIC_INT32:
2257 case TYPE_BASIC_INT64:
2258 case TYPE_BASIC_INT:
2259 case TYPE_BASIC_CHAR:
2260 case TYPE_BASIC_HYPER:
2261 case TYPE_BASIC_BYTE:
2262 case TYPE_BASIC_WCHAR:
2263 case TYPE_BASIC_ERROR_STATUS_T:
2264 return TRUE;
2265 default:
2266 return FALSE;
2267 }
2268 case TYPE_ALIAS:
2269 /* shouldn't get here because of type_get_type call above */
2270 assert(0);
2271 /* fall through */
2272 case TYPE_STRUCT:
2273 case TYPE_UNION:
2274 case TYPE_ENCAPSULATED_UNION:
2275 case TYPE_ARRAY:
2276 case TYPE_POINTER:
2277 case TYPE_VOID:
2278 case TYPE_MODULE:
2279 case TYPE_COCLASS:
2280 case TYPE_FUNCTION:
2281 case TYPE_INTERFACE:
2282 case TYPE_BITFIELD:
2283 return FALSE;
2284 }
2285 return FALSE;
2286 }
2287
2288 static int is_ptr_guid_type(const type_t *type)
2289 {
2290 unsigned int align = 0;
2291
2292 /* first, make sure it is a pointer to something */
2293 if (!is_ptr(type)) return FALSE;
2294
2295 /* second, make sure it is a pointer to something of size sizeof(GUID),
2296 * i.e. 16 bytes */
2297 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2298 }
2299
2300 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2301 {
2302 expr_t *dim;
2303 struct expr_loc expr_loc;
2304 expr_loc.v = arg;
2305 expr_loc.attr = attr_name;
2306 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2307 {
2308 if (dim->type != EXPR_VOID)
2309 {
2310 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2311 if (!is_allowed_conf_type(expr_type))
2312 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2313 attr_name);
2314 }
2315 }
2316 }
2317
2318 static void check_remoting_fields(const var_t *var, type_t *type);
2319
2320 /* checks that properties common to fields and arguments are consistent */
2321 static void check_field_common(const type_t *container_type,
2322 const char *container_name, const var_t *arg)
2323 {
2324 type_t *type = arg->type;
2325 int more_to_do;
2326 const char *container_type_name;
2327 const char *var_type;
2328
2329 switch (type_get_type(container_type))
2330 {
2331 case TYPE_STRUCT:
2332 container_type_name = "struct";
2333 var_type = "field";
2334 break;
2335 case TYPE_UNION:
2336 container_type_name = "union";
2337 var_type = "arm";
2338 break;
2339 case TYPE_ENCAPSULATED_UNION:
2340 container_type_name = "encapsulated union";
2341 var_type = "arm";
2342 break;
2343 case TYPE_FUNCTION:
2344 container_type_name = "function";
2345 var_type = "parameter";
2346 break;
2347 default:
2348 /* should be no other container types */
2349 assert(0);
2350 }
2351
2352 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2353 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2354 error_loc_info(&arg->loc_info,
2355 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2356 arg->name);
2357
2358 if (is_attr(arg->attrs, ATTR_SIZEIS))
2359 {
2360 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2361 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2362 }
2363 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2364 {
2365 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2366 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2367 }
2368 if (is_attr(arg->attrs, ATTR_IIDIS))
2369 {
2370 struct expr_loc expr_loc;
2371 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2372 if (expr->type != EXPR_VOID)
2373 {
2374 const type_t *expr_type;
2375 expr_loc.v = arg;
2376 expr_loc.attr = "iid_is";
2377 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2378 if (!expr_type || !is_ptr_guid_type(expr_type))
2379 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2380 }
2381 }
2382 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2383 {
2384 struct expr_loc expr_loc;
2385 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2386 if (expr->type != EXPR_VOID)
2387 {
2388 const type_t *expr_type;
2389 expr_loc.v = arg;
2390 expr_loc.attr = "switch_is";
2391 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2392 if (!expr_type || !is_allowed_conf_type(expr_type))
2393 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2394 expr_loc.attr);
2395 }
2396 }
2397
2398 do
2399 {
2400 more_to_do = FALSE;
2401
2402 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2403 {
2404 case TGT_STRUCT:
2405 case TGT_UNION:
2406 check_remoting_fields(arg, type);
2407 break;
2408 case TGT_INVALID:
2409 {
2410 const char *reason = "is invalid";
2411 switch (type_get_type(type))
2412 {
2413 case TYPE_VOID:
2414 reason = "cannot derive from void *";
2415 break;
2416 case TYPE_FUNCTION:
2417 reason = "cannot be a function pointer";
2418 break;
2419 case TYPE_BITFIELD:
2420 reason = "cannot be a bit-field";
2421 break;
2422 case TYPE_COCLASS:
2423 reason = "cannot be a class";
2424 break;
2425 case TYPE_INTERFACE:
2426 reason = "cannot be a non-pointer to an interface";
2427 break;
2428 case TYPE_MODULE:
2429 reason = "cannot be a module";
2430 break;
2431 default:
2432 break;
2433 }
2434 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2435 var_type, arg->name, container_type_name, container_name, reason);
2436 break;
2437 }
2438 case TGT_CTXT_HANDLE:
2439 case TGT_CTXT_HANDLE_POINTER:
2440 /* FIXME */
2441 break;
2442 case TGT_STRING:
2443 {
2444 const type_t *t = type;
2445 while (is_ptr(t))
2446 t = type_pointer_get_ref(t);
2447 if (is_aliaschain_attr(t, ATTR_RANGE))
2448 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2449 break;
2450 }
2451 case TGT_POINTER:
2452 type = type_pointer_get_ref(type);
2453 more_to_do = TRUE;
2454 break;
2455 case TGT_ARRAY:
2456 type = type_array_get_element(type);
2457 more_to_do = TRUE;
2458 break;
2459 case TGT_USER_TYPE:
2460 case TGT_IFACE_POINTER:
2461 case TGT_BASIC:
2462 case TGT_ENUM:
2463 case TGT_RANGE:
2464 /* nothing to do */
2465 break;
2466 }
2467 } while (more_to_do);
2468 }
2469
2470 static void check_remoting_fields(const var_t *var, type_t *type)
2471 {
2472 const var_t *field;
2473 const var_list_t *fields = NULL;
2474
2475 type = type_get_real_type(type);
2476
2477 if (type->checked)
2478 return;
2479
2480 type->checked = TRUE;
2481
2482 if (type_get_type(type) == TYPE_STRUCT)
2483 {
2484 if (type_is_complete(type))
2485 fields = type_struct_get_fields(type);
2486 else
2487 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2488 }
2489 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2490 fields = type_union_get_cases(type);
2491
2492 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2493 if (field->type) check_field_common(type, type->name, field);
2494 }
2495
2496 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2497 static void check_remoting_args(const var_t *func)
2498 {
2499 const char *funcname = func->name;
2500 const var_t *arg;
2501
2502 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2503 {
2504 const type_t *type = arg->type;
2505
2506 /* check that [out] parameters have enough pointer levels */
2507 if (is_attr(arg->attrs, ATTR_OUT))
2508 {
2509 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2510 {
2511 case TGT_BASIC:
2512 case TGT_ENUM:
2513 case TGT_RANGE:
2514 case TGT_STRUCT:
2515 case TGT_UNION:
2516 case TGT_CTXT_HANDLE:
2517 case TGT_USER_TYPE:
2518 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2519 break;
2520 case TGT_IFACE_POINTER:
2521 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2522 break;
2523 case TGT_STRING:
2524 if (!is_array(type))
2525 {
2526 /* FIXME */
2527 }
2528 break;
2529 case TGT_INVALID:
2530 /* already error'd before we get here */
2531 case TGT_CTXT_HANDLE_POINTER:
2532 case TGT_POINTER:
2533 case TGT_ARRAY:
2534 /* OK */
2535 break;
2536 }
2537 }
2538
2539 check_field_common(func->type, funcname, arg);
2540 }
2541
2542 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2543 {
2544 var_t var;
2545 var = *func;
2546 var.type = type_function_get_rettype(func->type);
2547 var.name = xstrdup("return value");
2548 check_field_common(func->type, funcname, &var);
2549 free(var.name);
2550 }
2551 }
2552
2553 static void add_explicit_handle_if_necessary(var_t *func)
2554 {
2555 const var_t* explicit_handle_var;
2556 const var_t* explicit_generic_handle_var = NULL;
2557 const var_t* context_handle_var = NULL;
2558
2559 /* check for a defined binding handle */
2560 explicit_handle_var = get_explicit_handle_var(func);
2561 if (!explicit_handle_var)
2562 {
2563 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2564 if (!explicit_generic_handle_var)
2565 {
2566 context_handle_var = get_context_handle_var(func);
2567 if (!context_handle_var)
2568 {
2569 /* no explicit handle specified so add
2570 * "[in] handle_t IDL_handle" as the first parameter to the
2571 * function */
2572 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2573 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2574 idl_handle->type = find_type_or_error("handle_t", 0);
2575 type_function_add_head_arg(func->type, idl_handle);
2576 }
2577 }
2578 }
2579 }
2580
2581 static void check_functions(const type_t *iface, int is_inside_library)
2582 {
2583 const statement_t *stmt;
2584 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2585 {
2586 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2587 {
2588 var_t *func = stmt->u.var;
2589 add_explicit_handle_if_necessary(func);
2590 }
2591 }
2592 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2593 {
2594 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2595 {
2596 const var_t *func = stmt->u.var;
2597 if (!is_attr(func->attrs, ATTR_LOCAL))
2598 check_remoting_args(func);
2599 }
2600 }
2601 }
2602
2603 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2604 {
2605 const statement_t *stmt;
2606
2607 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2608 {
2609 if (stmt->type == STMT_LIBRARY)
2610 check_statements(stmt->u.lib->stmts, TRUE);
2611 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2612 check_functions(stmt->u.type, is_inside_library);
2613 }
2614 }
2615
2616 static void check_all_user_types(const statement_list_t *stmts)
2617 {
2618 const statement_t *stmt;
2619
2620 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2621 {
2622 if (stmt->type == STMT_LIBRARY)
2623 check_all_user_types(stmt->u.lib->stmts);
2624 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2625 !is_local(stmt->u.type->attrs))
2626 {
2627 const statement_t *stmt_func;
2628 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2629 const var_t *func = stmt_func->u.var;
2630 check_for_additional_prototype_types(func->type->details.function->args);
2631 }
2632 }
2633 }
2634 }
2635
2636 int is_valid_uuid(const char *s)
2637 {
2638 int i;
2639
2640 for (i = 0; i < 36; ++i)
2641 if (i == 8 || i == 13 || i == 18 || i == 23)
2642 {
2643 if (s[i] != '-')
2644 return FALSE;
2645 }
2646 else
2647 if (!isxdigit(s[i]))
2648 return FALSE;
2649
2650 return s[i] == '\0';
2651 }
2652
2653 static statement_t *make_statement(enum statement_type type)
2654 {
2655 statement_t *stmt = xmalloc(sizeof(*stmt));
2656 stmt->type = type;
2657 return stmt;
2658 }
2659
2660 static statement_t *make_statement_type_decl(type_t *type)
2661 {
2662 statement_t *stmt = make_statement(STMT_TYPE);
2663 stmt->u.type = type;
2664 return stmt;
2665 }
2666
2667 static statement_t *make_statement_reference(type_t *type)
2668 {
2669 statement_t *stmt = make_statement(STMT_TYPEREF);
2670 stmt->u.type = type;
2671 return stmt;
2672 }
2673
2674 static statement_t *make_statement_declaration(var_t *var)
2675 {
2676 statement_t *stmt = make_statement(STMT_DECLARATION);
2677 stmt->u.var = var;
2678 if (var->stgclass == STG_EXTERN && var->eval)
2679 warning("'%s' initialised and declared extern\n", var->name);
2680 if (is_const_decl(var))
2681 {
2682 if (var->eval)
2683 reg_const(var);
2684 }
2685 else if (type_get_type(var->type) == TYPE_FUNCTION)
2686 check_function_attrs(var->name, var->attrs);
2687 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2688 error_loc("instantiation of data is illegal\n");
2689 return stmt;
2690 }
2691
2692 static statement_t *make_statement_library(typelib_t *typelib)
2693 {
2694 statement_t *stmt = make_statement(STMT_LIBRARY);
2695 stmt->u.lib = typelib;
2696 return stmt;
2697 }
2698
2699 static statement_t *make_statement_cppquote(const char *str)
2700 {
2701 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2702 stmt->u.str = str;
2703 return stmt;
2704 }
2705
2706 static statement_t *make_statement_importlib(const char *str)
2707 {
2708 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2709 stmt->u.str = str;
2710 return stmt;
2711 }
2712
2713 static statement_t *make_statement_import(const char *str)
2714 {
2715 statement_t *stmt = make_statement(STMT_IMPORT);
2716 stmt->u.str = str;
2717 return stmt;
2718 }
2719
2720 static statement_t *make_statement_module(type_t *type)
2721 {
2722 statement_t *stmt = make_statement(STMT_MODULE);
2723 stmt->u.type = type;
2724 return stmt;
2725 }
2726
2727 static statement_t *make_statement_typedef(declarator_list_t *decls)
2728 {
2729 declarator_t *decl, *next;
2730 statement_t *stmt;
2731 type_list_t **type_list;
2732
2733 if (!decls) return NULL;
2734
2735 stmt = make_statement(STMT_TYPEDEF);
2736 stmt->u.type_list = NULL;
2737 type_list = &stmt->u.type_list;
2738
2739 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2740 {
2741 var_t *var = decl->var;
2742 type_t *type = find_type_or_error(var->name, 0);
2743 *type_list = xmalloc(sizeof(type_list_t));
2744 (*type_list)->type = type;
2745 (*type_list)->next = NULL;
2746
2747 type_list = &(*type_list)->next;
2748 free(decl);
2749 free(var);
2750 }
2751
2752 return stmt;
2753 }
2754
2755 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2756 {
2757 if (!stmt) return list;
2758 if (!list)
2759 {
2760 list = xmalloc( sizeof(*list) );
2761 list_init( list );
2762 }
2763 list_add_tail( list, &stmt->entry );
2764 return list;
2765 }
2766
2767 void init_loc_info(loc_info_t *i)
2768 {
2769 i->input_name = input_name ? input_name : "stdin";
2770 i->line_number = line_number;
2771 i->near_text = parser_text;
2772 }
2773
2774 static void check_def(const type_t *t)
2775 {
2776 if (t->defined)
2777 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2778 t->name, t->loc_info.input_name, t->loc_info.line_number);
2779 }
an attempt at megring old patches into wine