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advapi32/tests: Add some GetOldestEventLogRecord tests.
[wine/multimedia.git] / tools / widl / parser.y
blobb12741c1e80bbaf9f18d029646acb2c9046184dd
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 void set_type(var_t *v, 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(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 tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
198 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
199 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
200 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
201 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
202 %token tDEFAULT
203 %token tDEFAULTCOLLELEM
204 %token tDEFAULTVALUE
205 %token tDEFAULTVTABLE
206 %token tDISPLAYBIND
207 %token tDISPINTERFACE
208 %token tDLLNAME tDOUBLE tDUAL
209 %token tENDPOINT
210 %token tENTRY tENUM tERRORSTATUST
211 %token tEXPLICITHANDLE tEXTERN
212 %token tFALSE
213 %token tFASTCALL
214 %token tFLOAT
215 %token tHANDLE
216 %token tHANDLET
217 %token tHELPCONTEXT tHELPFILE
218 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
219 %token tHIDDEN
220 %token tHYPER tID tIDEMPOTENT
221 %token tIIDIS
222 %token tIMMEDIATEBIND
223 %token tIMPLICITHANDLE
224 %token tIMPORT tIMPORTLIB
225 %token tIN tIN_LINE tINLINE
226 %token tINPUTSYNC
227 %token tINT tINT64
228 %token tINTERFACE
229 %token tLCID
230 %token tLENGTHIS tLIBRARY
231 %token tLOCAL
232 %token tLONG
233 %token tMETHODS
234 %token tMODULE
235 %token tNONBROWSABLE
236 %token tNONCREATABLE
237 %token tNONEXTENSIBLE
238 %token tNULL
239 %token tOBJECT tODL tOLEAUTOMATION
240 %token tOPTIONAL
241 %token tOUT
242 %token tPASCAL
243 %token tPOINTERDEFAULT
244 %token tPROPERTIES
245 %token tPROPGET tPROPPUT tPROPPUTREF
246 %token tPTR
247 %token tPUBLIC
248 %token tRANGE
249 %token tREADONLY tREF
250 %token tREGISTER
251 %token tREQUESTEDIT
252 %token tRESTRICTED
253 %token tRETVAL
254 %token tSAFEARRAY
255 %token tSHORT
256 %token tSIGNED
257 %token tSIZEIS tSIZEOF
258 %token tSMALL
259 %token tSOURCE
260 %token tSTATIC
261 %token tSTDCALL
262 %token tSTRICTCONTEXTHANDLE
263 %token tSTRING tSTRUCT
264 %token tSWITCH tSWITCHIS tSWITCHTYPE
265 %token tTRANSMITAS
266 %token tTRUE
267 %token tTYPEDEF
268 %token tUNION
269 %token tUNIQUE
270 %token tUNSIGNED
271 %token tUUID
272 %token tV1ENUM
273 %token tVARARG
274 %token tVERSION
275 %token tVOID
276 %token tWCHAR tWIREMARSHAL
277
278 %type <attr> attribute type_qualifier function_specifier
279 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
280 %type <str_list> str_list
281 %type <expr> m_expr expr expr_const expr_int_const array
282 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
283 %type <ifinfo> interfacehdr
284 %type <stgclass> storage_cls_spec
285 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
286 %type <type> inherit interface interfacedef interfacedec
287 %type <type> dispinterface dispinterfacehdr dispinterfacedef
288 %type <type> module modulehdr moduledef
289 %type <type> base_type int_std
290 %type <type> enumdef structdef uniondef typedecl
291 %type <type> type
292 %type <ifref> coclass_int
293 %type <ifref_list> coclass_ints
294 %type <var> arg ne_union_field union_field s_field case enum declaration
295 %type <var_list> m_args no_args args fields ne_union_fields cases enums enum_list dispint_props field
296 %type <var> m_ident ident
297 %type <declarator> declarator direct_declarator init_declarator
298 %type <declarator_list> declarator_list
299 %type <func> funcdef
300 %type <type> coclass coclasshdr coclassdef
301 %type <num> pointer_type version
302 %type <str> libraryhdr callconv cppquote importlib import t_ident
303 %type <uuid> uuid_string
304 %type <import> import_start
305 %type <typelib> library_start librarydef
306 %type <statement> statement typedef
307 %type <stmt_list> gbl_statements imp_statements int_statements dispint_meths
308
309 %left ','
310 %right '?' ':'
311 %left LOGICALOR
312 %left LOGICALAND
313 %left '|'
314 %left '^'
315 %left '&'
316 %left EQUALITY INEQUALITY
317 %left '<' '>' LESSEQUAL GREATEREQUAL
318 %left SHL SHR
319 %left '-' '+'
320 %left '*' '/' '%'
321 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
322 %left '.' MEMBERPTR '[' ']'
323
324 %%
325
326 input: gbl_statements { fix_incomplete();
327 check_statements($1, FALSE);
328 check_all_user_types($1);
329 write_header($1);
330 write_id_data($1);
331 write_proxies($1);
332 write_client($1);
333 write_server($1);
334 write_dlldata($1);
335 write_local_stubs($1);
336 }
337 ;
338
339 gbl_statements: { $$ = NULL; }
340 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
341 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
342 | gbl_statements coclass ';' { $$ = $1;
343 reg_type($2, $2->name, 0);
344 }
345 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
349 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
350 | gbl_statements statement { $$ = append_statement($1, $2); }
351 ;
352
353 imp_statements: { $$ = NULL; }
354 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
355 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
356 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
357 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
358 reg_type($2, $2->name, 0);
359 }
360 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
361 | imp_statements statement { $$ = append_statement($1, $2); }
362 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
363 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
364 ;
365
366 int_statements: { $$ = NULL; }
367 | int_statements statement { $$ = append_statement($1, $2); }
368 ;
369
370 semicolon_opt:
371 | ';'
372 ;
373
374 statement:
375 cppquote { $$ = make_statement_cppquote($1); }
376 | typedecl ';' { $$ = make_statement_type_decl($1); }
377 | declaration ';' { $$ = make_statement_declaration($1); }
378 | import { $$ = make_statement_import($1); }
379 | typedef ';' { $$ = $1; }
380 ;
381
382 typedecl:
383 enumdef
384 | structdef
385 | uniondef
386 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
387 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
388 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
389 ;
390
391 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
392 ;
393 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
394 $$ = xmalloc(sizeof(struct _import_t));
395 $$->name = $2;
396 $$->import_performed = do_import($2);
397 if (!$$->import_performed) yychar = aEOF;
398 }
399 ;
400
401 import: import_start imp_statements aEOF { $$ = $1->name;
402 if ($1->import_performed) pop_import();
403 free($1);
404 }
405 ;
406
407 importlib: tIMPORTLIB '(' aSTRING ')'
408 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
409 ;
410
411 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
412 ;
413 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
414 if (!parse_only) start_typelib($$);
415 }
416 ;
417 librarydef: library_start imp_statements '}'
418 semicolon_opt { $$ = $1;
419 $$->stmts = $2;
420 if (!parse_only) end_typelib();
421 }
422 ;
423
424 m_args: { $$ = NULL; }
425 | args
426 ;
427
428 no_args: tVOID { $$ = NULL; }
429 ;
430
431 args: arg { check_arg($1); $$ = append_var( NULL, $1 ); }
432 | args ',' arg { check_arg($3); $$ = append_var( $1, $3); }
433 | no_args
434 ;
435
436 /* split into two rules to get bison to resolve a tVOID conflict */
437 arg: attributes decl_spec declarator { $$ = $3->var;
438 $$->attrs = $1;
439 if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
440 error_loc("invalid storage class for function parameter\n");
441 set_type($$, $2, $3, TRUE);
442 free($3);
443 }
444 | decl_spec declarator { $$ = $2->var;
445 if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
446 error_loc("invalid storage class for function parameter\n");
447 set_type($$, $1, $2, TRUE);
448 free($2);
449 }
450 ;
451
452 array: '[' m_expr ']' { $$ = $2; }
453 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
454 ;
455
456 m_attributes: { $$ = NULL; }
457 | attributes
458 ;
459
460 attributes:
461 '[' attrib_list ']' { $$ = $2; }
462 ;
463
464 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
465 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
466 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
467 ;
468
469 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
470 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
471 ;
472
473 attribute: { $$ = NULL; }
474 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
475 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
476 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
477 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
478 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
479 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
480 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
481 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
482 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
483 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
484 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
485 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
486 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
487 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
488 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
489 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
490 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
491 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
492 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
493 | tDUAL { $$ = make_attr(ATTR_DUAL); }
494 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
495 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
496 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
497 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
498 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
499 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
500 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
501 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
502 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
503 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
504 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
505 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
506 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
507 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
508 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
509 | tIN { $$ = make_attr(ATTR_IN); }
510 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
511 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
512 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
513 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
514 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
515 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
516 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
517 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
518 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
519 | tODL { $$ = make_attr(ATTR_ODL); }
520 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
521 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
522 | tOUT { $$ = make_attr(ATTR_OUT); }
523 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
524 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
525 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
526 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
527 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
528 | tRANGE '(' expr_int_const ',' expr_int_const ')'
529 { expr_list_t *list = append_expr( NULL, $3 );
530 list = append_expr( list, $5 );
531 $$ = make_attrp(ATTR_RANGE, list); }
532 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
533 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
534 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
535 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
536 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
537 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
538 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
539 | tSTRING { $$ = make_attr(ATTR_STRING); }
540 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
541 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
542 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
543 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
544 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
545 | tVARARG { $$ = make_attr(ATTR_VARARG); }
546 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
547 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
548 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
549 ;
550
551 uuid_string:
552 aUUID
553 | aSTRING { if (!is_valid_uuid($1))
554 error_loc("invalid UUID: %s\n", $1);
555 $$ = parse_uuid($1); }
556 ;
557
558 callconv: tCDECL { $$ = $<str>1; }
559 | tFASTCALL { $$ = $<str>1; }
560 | tPASCAL { $$ = $<str>1; }
561 | tSTDCALL { $$ = $<str>1; }
562 ;
563
564 cases: { $$ = NULL; }
565 | cases case { $$ = append_var( $1, $2 ); }
566 ;
567
568 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
569 $$ = $4; if (!$$) $$ = make_var(NULL);
570 $$->attrs = append_attr( $$->attrs, a );
571 }
572 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
573 $$ = $3; if (!$$) $$ = make_var(NULL);
574 $$->attrs = append_attr( $$->attrs, a );
575 }
576 ;
577
578 enums: { $$ = NULL; }
579 | enum_list ',' { $$ = $1; }
580 | enum_list
581 ;
582
583 enum_list: enum { if (!$1->eval)
584 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
585 $$ = append_var( NULL, $1 );
586 }
587 | enum_list ',' enum { if (!$3->eval)
588 {
589 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
590 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
591 }
592 $$ = append_var( $1, $3 );
593 }
594 ;
595
596 enum: ident '=' expr_int_const { $$ = reg_const($1);
597 $$->eval = $3;
598 $$->type = type_new_int(TYPE_BASIC_INT, 0);
599 }
600 | ident { $$ = reg_const($1);
601 $$->type = type_new_int(TYPE_BASIC_INT, 0);
602 }
603 ;
604
605 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
606 ;
607
608 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
609 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
610 ;
611
612 /*
613 exprs: { $$ = make_expr(EXPR_VOID); }
614 | expr_list
615 ;
616
617 expr_list: expr
618 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
619 ;
620 */
621
622 m_expr: { $$ = make_expr(EXPR_VOID); }
623 | expr
624 ;
625
626 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
627 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
628 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
629 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
630 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
631 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
632 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
633 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
634 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
635 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
636 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
637 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
638 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
639 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
640 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
641 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
642 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
643 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
644 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
645 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
646 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
647 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
648 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
649 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
650 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
651 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
652 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
653 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
654 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
655 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
656 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
657 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
658 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
659 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
660 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
661 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
662 | '(' type ')' expr %prec CAST { $$ = make_exprt(EXPR_CAST, $2, $4); }
663 | tSIZEOF '(' type ')' { $$ = make_exprt(EXPR_SIZEOF, $3, NULL); }
664 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
665 | '(' expr ')' { $$ = $2; }
666 ;
667
668 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
669 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
670 ;
671
672 expr_int_const: expr { $$ = $1;
673 if (!$$->is_const)
674 error_loc("expression is not an integer constant\n");
675 }
676 ;
677
678 expr_const: expr { $$ = $1;
679 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
680 error_loc("expression is not constant\n");
681 }
682 ;
683
684 fields: { $$ = NULL; }
685 | fields field { $$ = append_var_list($1, $2); }
686 ;
687
688 field: m_attributes decl_spec declarator_list ';'
689 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
690 check_field_attrs(first, $1);
691 $$ = set_var_types($1, $2, $3);
692 }
693 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
694 v->type = $2; v->attrs = $1;
695 $$ = append_var(NULL, v);
696 }
697 ;
698
699 ne_union_field:
700 s_field ';' { $$ = $1; }
701 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
702 ;
703
704 ne_union_fields: { $$ = NULL; }
705 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
706 ;
707
708 union_field:
709 s_field ';' { $$ = $1; }
710 | ';' { $$ = NULL; }
711 ;
712
713 s_field: m_attributes decl_spec declarator { $$ = $3->var;
714 $$->attrs = check_field_attrs($$->name, $1);
715 set_type($$, $2, $3, FALSE);
716 free($3);
717 }
718 ;
719
720 funcdef:
721 m_attributes decl_spec declarator { var_t *v = $3->var;
722 v->attrs = check_function_attrs(v->name, $1);
723 set_type(v, $2, $3, FALSE);
724 free($3);
725 $$ = make_func(v);
726 }
727 ;
728
729 declaration:
730 attributes decl_spec init_declarator
731 { $$ = $3->var;
732 $$->attrs = $1;
733 set_type($$, $2, $3, FALSE);
734 free($3);
735 }
736 | decl_spec init_declarator { $$ = $2->var;
737 set_type($$, $1, $2, FALSE);
738 free($2);
739 }
740 ;
741
742 m_ident: { $$ = NULL; }
743 | ident
744 ;
745
746 t_ident: { $$ = NULL; }
747 | aIDENTIFIER { $$ = $1; }
748 | aKNOWNTYPE { $$ = $1; }
749 ;
750
751 ident: aIDENTIFIER { $$ = make_var($1); }
752 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
753 | aKNOWNTYPE { $$ = make_var($<str>1); }
754 ;
755
756 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
757 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
758 | int_std
759 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
760 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
761 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
762 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
763 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
764 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
765 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
766 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
767 ;
768
769 m_int:
770 | tINT
771 ;
772
773 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
774 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
775 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
776 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
777 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
778 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
779 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 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 { $$ = find_type_or_error2($2, 0); }
845 ;
846
847 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
848 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
849 ;
850
851 interfacehdr: attributes interface { $$.interface = $2;
852 $$.old_pointer_default = pointer_default;
853 if (is_attr($1, ATTR_POINTERDEFAULT))
854 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
855 is_object_interface = is_object($1);
856 check_def($2);
857 $2->attrs = check_iface_attrs($2->name, $1);
858 $2->defined = TRUE;
859 }
860 ;
861
862 interfacedef: interfacehdr inherit
863 '{' int_statements '}' semicolon_opt { $$ = $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 declarator_list:
949 declarator { $$ = append_declarator( NULL, $1 ); }
950 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
951 ;
952
953 init_declarator:
954 declarator { $$ = $1; }
955 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
956 ;
957
958 pointer_type:
959 tREF { $$ = RPC_FC_RP; }
960 | tUNIQUE { $$ = RPC_FC_UP; }
961 | tPTR { $$ = RPC_FC_FP; }
962 ;
963
964 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
965 ;
966
967 type: tVOID { $$ = type_new_void(); }
968 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
969 | base_type { $$ = $1; }
970 | enumdef { $$ = $1; }
971 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
972 | structdef { $$ = $1; }
973 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
974 | uniondef { $$ = $1; }
975 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
976 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
977 ;
978
979 typedef: tTYPEDEF m_attributes decl_spec declarator_list
980 { reg_typedefs($3, $4, check_typedef_attrs($2));
981 $$ = make_statement_typedef($4);
982 }
983 ;
984
985 uniondef: tUNION t_ident '{' ne_union_fields '}'
986 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
987 | tUNION t_ident
988 tSWITCH '(' s_field ')'
989 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
990 ;
991
992 version:
993 aNUM { $$ = MAKEVERSION($1, 0); }
994 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
995 ;
996
997 %%
998
999 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1000 {
1001 type_t *t = type_new_basic(type);
1002 reg_type(t, name, 0);
1003 }
1004
1005 static void decl_builtin_alias(const char *name, type_t *t)
1006 {
1007 reg_type(type_new_alias(t, name), name, 0);
1008 }
1009
1010 void init_types(void)
1011 {
1012 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1013 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1014 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1015 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1016 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1017 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1018 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1019 }
1020
1021 static str_list_t *append_str(str_list_t *list, char *str)
1022 {
1023 struct str_list_entry_t *entry;
1024
1025 if (!str) return list;
1026 if (!list)
1027 {
1028 list = xmalloc( sizeof(*list) );
1029 list_init( list );
1030 }
1031 entry = xmalloc( sizeof(*entry) );
1032 entry->str = str;
1033 list_add_tail( list, &entry->entry );
1034 return list;
1035 }
1036
1037 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1038 {
1039 attr_t *attr_existing;
1040 if (!attr) return list;
1041 if (!list)
1042 {
1043 list = xmalloc( sizeof(*list) );
1044 list_init( list );
1045 }
1046 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1047 if (attr_existing->type == attr->type)
1048 {
1049 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1050 /* use the last attribute, like MIDL does */
1051 list_remove(&attr_existing->entry);
1052 break;
1053 }
1054 list_add_tail( list, &attr->entry );
1055 return list;
1056 }
1057
1058 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1059 {
1060 attr_t *attr;
1061 if (!src) return dst;
1062 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1063 if (attr->type == type)
1064 {
1065 list_remove(&attr->entry);
1066 return append_attr(dst, attr);
1067 }
1068 return dst;
1069 }
1070
1071 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1072 {
1073 struct list *entry;
1074
1075 if (!old_list) return new_list;
1076
1077 while ((entry = list_head(old_list)))
1078 {
1079 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1080 list_remove(entry);
1081 new_list = append_attr(new_list, attr);
1082 }
1083 return new_list;
1084 }
1085
1086 static attr_list_t *dupattrs(const attr_list_t *list)
1087 {
1088 attr_list_t *new_list;
1089 const attr_t *attr;
1090
1091 if (!list) return NULL;
1092
1093 new_list = xmalloc( sizeof(*list) );
1094 list_init( new_list );
1095 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1096 {
1097 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1098 *new_attr = *attr;
1099 list_add_tail(new_list, &new_attr->entry);
1100 }
1101 return new_list;
1102 }
1103
1104 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)
1105 {
1106 decl_spec_t *declspec = left ? left : right;
1107 if (!declspec)
1108 {
1109 declspec = xmalloc(sizeof(*declspec));
1110 declspec->type = NULL;
1111 declspec->attrs = NULL;
1112 declspec->stgclass = STG_NONE;
1113 }
1114 declspec->type = type;
1115 if (left && declspec != left)
1116 {
1117 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1118 if (declspec->stgclass == STG_NONE)
1119 declspec->stgclass = left->stgclass;
1120 else if (left->stgclass != STG_NONE)
1121 error_loc("only one storage class can be specified\n");
1122 assert(!left->type);
1123 free(left);
1124 }
1125 if (right && declspec != right)
1126 {
1127 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1128 if (declspec->stgclass == STG_NONE)
1129 declspec->stgclass = right->stgclass;
1130 else if (right->stgclass != STG_NONE)
1131 error_loc("only one storage class can be specified\n");
1132 assert(!right->type);
1133 free(right);
1134 }
1135
1136 declspec->attrs = append_attr(declspec->attrs, attr);
1137 if (declspec->stgclass == STG_NONE)
1138 declspec->stgclass = stgclass;
1139 else if (stgclass != STG_NONE)
1140 error_loc("only one storage class can be specified\n");
1141
1142 /* apply attributes to type */
1143 if (type && declspec->attrs)
1144 {
1145 attr_list_t *attrs;
1146 declspec->type = duptype(type, 1);
1147 attrs = dupattrs(type->attrs);
1148 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1149 declspec->attrs = NULL;
1150 }
1151
1152 return declspec;
1153 }
1154
1155 static attr_t *make_attr(enum attr_type type)
1156 {
1157 attr_t *a = xmalloc(sizeof(attr_t));
1158 a->type = type;
1159 a->u.ival = 0;
1160 return a;
1161 }
1162
1163 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1164 {
1165 attr_t *a = xmalloc(sizeof(attr_t));
1166 a->type = type;
1167 a->u.ival = val;
1168 return a;
1169 }
1170
1171 static attr_t *make_attrp(enum attr_type type, void *val)
1172 {
1173 attr_t *a = xmalloc(sizeof(attr_t));
1174 a->type = type;
1175 a->u.pval = val;
1176 return a;
1177 }
1178
1179 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1180 {
1181 if (!expr) return list;
1182 if (!list)
1183 {
1184 list = xmalloc( sizeof(*list) );
1185 list_init( list );
1186 }
1187 list_add_tail( list, &expr->entry );
1188 return list;
1189 }
1190
1191 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1192 {
1193 if (!expr) return list;
1194 if (!list)
1195 {
1196 list = xmalloc( sizeof(*list) );
1197 list_init( list );
1198 }
1199 list_add_tail( list, &expr->entry );
1200 return list;
1201 }
1202
1203 static struct list type_pool = LIST_INIT(type_pool);
1204 typedef struct
1205 {
1206 type_t data;
1207 struct list link;
1208 } type_pool_node_t;
1209
1210 type_t *alloc_type(void)
1211 {
1212 type_pool_node_t *node = xmalloc(sizeof *node);
1213 list_add_tail(&type_pool, &node->link);
1214 return &node->data;
1215 }
1216
1217 void set_all_tfswrite(int val)
1218 {
1219 type_pool_node_t *node;
1220 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1221 node->data.tfswrite = val;
1222 }
1223
1224 void clear_all_offsets(void)
1225 {
1226 type_pool_node_t *node;
1227 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1228 node->data.typestring_offset = node->data.ptrdesc = 0;
1229 }
1230
1231 static void type_function_add_head_arg(type_t *type, var_t *arg)
1232 {
1233 if (!type->details.function->args)
1234 {
1235 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1236 list_init( type->details.function->args );
1237 }
1238 list_add_head( type->details.function->args, &arg->entry );
1239 }
1240
1241 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1242 {
1243 type_t *ptrchain_type;
1244 if (!ptrchain)
1245 return type;
1246 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1247 ;
1248 assert(ptrchain_type->type_type == TYPE_POINTER);
1249 ptrchain_type->details.pointer.ref = type;
1250 return ptrchain;
1251 }
1252
1253 static void set_type(var_t *v, decl_spec_t *decl_spec, const declarator_t *decl,
1254 int top)
1255 {
1256 expr_list_t *sizes = get_attrp(v->attrs, ATTR_SIZEIS);
1257 expr_list_t *lengs = get_attrp(v->attrs, ATTR_LENGTHIS);
1258 int sizeless;
1259 expr_t *dim;
1260 type_t **ptype;
1261 array_dims_t *arr = decl ? decl->array : NULL;
1262 type_t *func_type = decl ? decl->func_type : NULL;
1263 type_t *type = decl_spec->type;
1264
1265 if (is_attr(type->attrs, ATTR_INLINE))
1266 {
1267 if (!func_type)
1268 error_loc("inline attribute applied to non-function type\n");
1269 else
1270 {
1271 type_t *t;
1272 /* move inline attribute from return type node to function node */
1273 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1274 ;
1275 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1276 }
1277 }
1278
1279 /* add type onto the end of the pointers in pident->type */
1280 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1281 v->stgclass = decl_spec->stgclass;
1282
1283 /* check for pointer attribute being applied to non-pointer, non-array
1284 * type */
1285 if (!arr)
1286 {
1287 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1288 const type_t *ptr = NULL;
1289 /* pointer attributes on the left side of the type belong to the function
1290 * pointer, if one is being declared */
1291 type_t **pt = func_type ? &func_type : &v->type;
1292 for (ptr = *pt; ptr && !ptr_attr; )
1293 {
1294 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1295 if (!ptr_attr && type_is_alias(ptr))
1296 ptr = type_alias_get_aliasee(ptr);
1297 else
1298 break;
1299 }
1300 if (is_ptr(ptr))
1301 {
1302 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1303 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1304 warning_loc_info(&v->loc_info,
1305 "%s: pointer attribute applied to interface "
1306 "pointer type has no effect\n", v->name);
1307 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1308 {
1309 /* FIXME: this is a horrible hack to cope with the issue that we
1310 * store an offset to the typeformat string in the type object, but
1311 * two typeformat strings may be written depending on whether the
1312 * pointer is a toplevel parameter or not */
1313 *pt = duptype(*pt, 1);
1314 }
1315 }
1316 else if (ptr_attr)
1317 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1318 }
1319
1320 if (is_attr(v->attrs, ATTR_STRING) && !is_ptr(v->type) && !arr)
1321 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1322 v->name);
1323
1324 if (is_attr(v->attrs, ATTR_V1ENUM))
1325 {
1326 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1327 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1328 }
1329
1330 ptype = &v->type;
1331 sizeless = FALSE;
1332 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1333 {
1334 if (sizeless)
1335 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1336
1337 if (dim->is_const)
1338 {
1339 if (dim->cval <= 0)
1340 error_loc("%s: array dimension must be positive\n", v->name);
1341
1342 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1343 if (0)
1344 {
1345 unsigned int align = 0;
1346 unsigned int size = type_memsize(v->type, &align);
1347
1348 if (0xffffffffu / size < dim->cval)
1349 error_loc("%s: total array size is too large\n", v->name);
1350 }
1351 }
1352 else
1353 sizeless = TRUE;
1354
1355 *ptype = type_new_array(NULL, *ptype, FALSE,
1356 dim->is_const ? dim->cval : 0,
1357 dim->is_const ? NULL : dim, NULL,
1358 pointer_default);
1359 }
1360
1361 ptype = &v->type;
1362 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1363 {
1364 if (dim->type != EXPR_VOID)
1365 {
1366 if (is_array(*ptype))
1367 {
1368 if (type_array_get_conformance(*ptype)->is_const)
1369 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1370 else
1371 *ptype = type_new_array((*ptype)->name,
1372 type_array_get_element(*ptype), FALSE,
1373 0, dim, NULL, 0);
1374 }
1375 else if (is_ptr(*ptype))
1376 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1377 0, dim, NULL, pointer_default);
1378 else
1379 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1380 }
1381
1382 if (is_ptr(*ptype))
1383 ptype = &(*ptype)->details.pointer.ref;
1384 else if (is_array(*ptype))
1385 ptype = &(*ptype)->details.array.elem;
1386 else
1387 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1388 }
1389
1390 ptype = &v->type;
1391 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1392 {
1393 if (dim->type != EXPR_VOID)
1394 {
1395 if (is_array(*ptype))
1396 {
1397 *ptype = type_new_array((*ptype)->name,
1398 type_array_get_element(*ptype),
1399 type_array_is_decl_as_ptr(*ptype),
1400 type_array_get_dim(*ptype),
1401 type_array_get_conformance(*ptype),
1402 dim, type_array_get_ptr_default_fc(*ptype));
1403 }
1404 else
1405 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1406 }
1407
1408 if (is_ptr(*ptype))
1409 ptype = &(*ptype)->details.pointer.ref;
1410 else if (is_array(*ptype))
1411 ptype = &(*ptype)->details.array.elem;
1412 else
1413 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1414 }
1415
1416 /* v->type is currently pointing to the type on the left-side of the
1417 * declaration, so we need to fix this up so that it is the return type of the
1418 * function and make v->type point to the function side of the declaration */
1419 if (func_type)
1420 {
1421 type_t *ft, *t;
1422 type_t *return_type = v->type;
1423 v->type = func_type;
1424 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1425 ;
1426 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1427 ft->details.function->rettype = return_type;
1428 /* move calling convention attribute, if present, from pointer nodes to
1429 * function node */
1430 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1431 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1432 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1433 {
1434 static char *stdmethodcalltype;
1435 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1436 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1437 }
1438 }
1439 else
1440 {
1441 type_t *t;
1442 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1443 if (is_attr(t->attrs, ATTR_CALLCONV))
1444 error_loc("calling convention applied to non-function-pointer type\n");
1445 }
1446 }
1447
1448 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1449 {
1450 declarator_t *decl, *next;
1451 var_list_t *var_list = NULL;
1452
1453 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1454 {
1455 var_t *var = decl->var;
1456
1457 var->attrs = attrs;
1458 set_type(var, decl_spec, decl, 0);
1459 var_list = append_var(var_list, var);
1460 free(decl);
1461 }
1462 return var_list;
1463 }
1464
1465 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1466 {
1467 if (!iface) return list;
1468 if (!list)
1469 {
1470 list = xmalloc( sizeof(*list) );
1471 list_init( list );
1472 }
1473 list_add_tail( list, &iface->entry );
1474 return list;
1475 }
1476
1477 static ifref_t *make_ifref(type_t *iface)
1478 {
1479 ifref_t *l = xmalloc(sizeof(ifref_t));
1480 l->iface = iface;
1481 l->attrs = NULL;
1482 return l;
1483 }
1484
1485 var_list_t *append_var(var_list_t *list, var_t *var)
1486 {
1487 if (!var) return list;
1488 if (!list)
1489 {
1490 list = xmalloc( sizeof(*list) );
1491 list_init( list );
1492 }
1493 list_add_tail( list, &var->entry );
1494 return list;
1495 }
1496
1497 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1498 {
1499 if (!vars) return list;
1500 if (!list)
1501 {
1502 list = xmalloc( sizeof(*list) );
1503 list_init( list );
1504 }
1505 list_move_tail( list, vars );
1506 return list;
1507 }
1508
1509 var_t *make_var(char *name)
1510 {
1511 var_t *v = xmalloc(sizeof(var_t));
1512 v->name = name;
1513 v->type = NULL;
1514 v->attrs = NULL;
1515 v->eval = NULL;
1516 v->stgclass = STG_NONE;
1517 init_loc_info(&v->loc_info);
1518 return v;
1519 }
1520
1521 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1522 {
1523 if (!d) return list;
1524 if (!list) {
1525 list = xmalloc(sizeof(*list));
1526 list_init(list);
1527 }
1528 list_add_tail(list, &d->entry);
1529 return list;
1530 }
1531
1532 static declarator_t *make_declarator(var_t *var)
1533 {
1534 declarator_t *d = xmalloc(sizeof(*d));
1535 d->var = var;
1536 d->type = NULL;
1537 d->func_type = NULL;
1538 d->array = NULL;
1539 return d;
1540 }
1541
1542 static func_list_t *append_func(func_list_t *list, func_t *func)
1543 {
1544 if (!func) return list;
1545 if (!list)
1546 {
1547 list = xmalloc( sizeof(*list) );
1548 list_init( list );
1549 }
1550 list_add_tail( list, &func->entry );
1551 return list;
1552 }
1553
1554 static func_t *make_func(var_t *def)
1555 {
1556 func_t *f = xmalloc(sizeof(func_t));
1557 f->def = def;
1558 return f;
1559 }
1560
1561 static type_t *make_safearray(type_t *type)
1562 {
1563 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1564 NULL, NULL, RPC_FC_RP);
1565 }
1566
1567 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1568 {
1569 typelib_t *typelib = xmalloc(sizeof(*typelib));
1570 typelib->name = xstrdup(name);
1571 typelib->filename = NULL;
1572 typelib->attrs = attrs;
1573 list_init( &typelib->importlibs );
1574 return typelib;
1575 }
1576
1577 #define HASHMAX 64
1578
1579 static int hash_ident(const char *name)
1580 {
1581 const char *p = name;
1582 int sum = 0;
1583 /* a simple sum hash is probably good enough */
1584 while (*p) {
1585 sum += *p;
1586 p++;
1587 }
1588 return sum & (HASHMAX-1);
1589 }
1590
1591 /***** type repository *****/
1592
1593 struct rtype {
1594 const char *name;
1595 type_t *type;
1596 int t;
1597 struct rtype *next;
1598 };
1599
1600 struct rtype *type_hash[HASHMAX];
1601
1602 type_t *reg_type(type_t *type, const char *name, int t)
1603 {
1604 struct rtype *nt;
1605 int hash;
1606 if (!name) {
1607 error_loc("registering named type without name\n");
1608 return type;
1609 }
1610 hash = hash_ident(name);
1611 nt = xmalloc(sizeof(struct rtype));
1612 nt->name = name;
1613 nt->type = type;
1614 nt->t = t;
1615 nt->next = type_hash[hash];
1616 type_hash[hash] = nt;
1617 if ((t == tsSTRUCT || t == tsUNION))
1618 fix_incomplete_types(type);
1619 return type;
1620 }
1621
1622 static int is_incomplete(const type_t *t)
1623 {
1624 return !t->defined &&
1625 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1626 type_get_type_detect_alias(t) == TYPE_UNION ||
1627 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1628 }
1629
1630 void add_incomplete(type_t *t)
1631 {
1632 struct typenode *tn = xmalloc(sizeof *tn);
1633 tn->type = t;
1634 list_add_tail(&incomplete_types, &tn->entry);
1635 }
1636
1637 static void fix_type(type_t *t)
1638 {
1639 if (type_is_alias(t) && is_incomplete(t)) {
1640 type_t *ot = type_alias_get_aliasee(t);
1641 fix_type(ot);
1642 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1643 type_get_type_detect_alias(ot) == TYPE_UNION ||
1644 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1645 t->details.structure = ot->details.structure;
1646 t->defined = ot->defined;
1647 }
1648 }
1649
1650 static void fix_incomplete(void)
1651 {
1652 struct typenode *tn, *next;
1653
1654 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1655 fix_type(tn->type);
1656 list_remove(&tn->entry);
1657 free(tn);
1658 }
1659 }
1660
1661 static void fix_incomplete_types(type_t *complete_type)
1662 {
1663 struct typenode *tn, *next;
1664
1665 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1666 {
1667 if (type_is_equal(complete_type, tn->type))
1668 {
1669 tn->type->details.structure = complete_type->details.structure;
1670 list_remove(&tn->entry);
1671 free(tn);
1672 }
1673 }
1674 }
1675
1676 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1677 {
1678 const declarator_t *decl;
1679 int is_str = is_attr(attrs, ATTR_STRING);
1680 type_t *type = decl_spec->type;
1681
1682 if (is_str)
1683 {
1684 type_t *t = decl_spec->type;
1685
1686 while (is_ptr(t))
1687 t = type_pointer_get_ref(t);
1688
1689 if (type_get_type(t) != TYPE_BASIC &&
1690 (get_basic_fc(t) != RPC_FC_CHAR &&
1691 get_basic_fc(t) != RPC_FC_BYTE &&
1692 get_basic_fc(t) != RPC_FC_WCHAR))
1693 {
1694 decl = LIST_ENTRY( list_head( decls ), const declarator_t, entry );
1695 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1696 decl->var->name);
1697 }
1698 }
1699
1700 /* We must generate names for tagless enum, struct or union.
1701 Typedef-ing a tagless enum, struct or union means we want the typedef
1702 to be included in a library hence the public attribute. */
1703 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1704 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1705 type_get_type_detect_alias(type) == TYPE_UNION ||
1706 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1707 !type->name && !parse_only)
1708 {
1709 if (! is_attr(attrs, ATTR_PUBLIC))
1710 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1711 type->name = gen_name();
1712 }
1713 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1714 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1715
1716 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1717 {
1718 var_t *name = decl->var;
1719
1720 if (name->name) {
1721 type_t *cur;
1722
1723 cur = find_type(name->name, 0);
1724 if (cur)
1725 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1726 cur->name, cur->loc_info.input_name,
1727 cur->loc_info.line_number);
1728
1729 /* set the attributes to allow set_type to do some checks on them */
1730 name->attrs = attrs;
1731 set_type(name, decl_spec, decl, 0);
1732 cur = type_new_alias(name->type, name->name);
1733 cur->attrs = attrs;
1734
1735 if (is_incomplete(cur))
1736 add_incomplete(cur);
1737 reg_type(cur, cur->name, 0);
1738 }
1739 }
1740 return type;
1741 }
1742
1743 type_t *find_type(const char *name, int t)
1744 {
1745 struct rtype *cur = type_hash[hash_ident(name)];
1746 while (cur && (cur->t != t || strcmp(cur->name, name)))
1747 cur = cur->next;
1748 return cur ? cur->type : NULL;
1749 }
1750
1751 static type_t *find_type_or_error(const char *name, int t)
1752 {
1753 type_t *type = find_type(name, t);
1754 if (!type) {
1755 error_loc("type '%s' not found\n", name);
1756 return NULL;
1757 }
1758 return type;
1759 }
1760
1761 static type_t *find_type_or_error2(char *name, int t)
1762 {
1763 type_t *tp = find_type_or_error(name, t);
1764 free(name);
1765 return tp;
1766 }
1767
1768 int is_type(const char *name)
1769 {
1770 return find_type(name, 0) != NULL;
1771 }
1772
1773 type_t *get_type(enum type_type type, char *name, int t)
1774 {
1775 type_t *tp;
1776 if (name) {
1777 tp = find_type(name, t);
1778 if (tp) {
1779 free(name);
1780 return tp;
1781 }
1782 }
1783 tp = make_type(type);
1784 tp->name = name;
1785 if (!name) return tp;
1786 return reg_type(tp, name, t);
1787 }
1788
1789 /***** constant repository *****/
1790
1791 struct rconst {
1792 char *name;
1793 var_t *var;
1794 struct rconst *next;
1795 };
1796
1797 struct rconst *const_hash[HASHMAX];
1798
1799 static var_t *reg_const(var_t *var)
1800 {
1801 struct rconst *nc;
1802 int hash;
1803 if (!var->name) {
1804 error_loc("registering constant without name\n");
1805 return var;
1806 }
1807 hash = hash_ident(var->name);
1808 nc = xmalloc(sizeof(struct rconst));
1809 nc->name = var->name;
1810 nc->var = var;
1811 nc->next = const_hash[hash];
1812 const_hash[hash] = nc;
1813 return var;
1814 }
1815
1816 var_t *find_const(const char *name, int f)
1817 {
1818 struct rconst *cur = const_hash[hash_ident(name)];
1819 while (cur && strcmp(cur->name, name))
1820 cur = cur->next;
1821 if (!cur) {
1822 if (f) error_loc("constant '%s' not found\n", name);
1823 return NULL;
1824 }
1825 return cur->var;
1826 }
1827
1828 static char *gen_name(void)
1829 {
1830 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1831 static unsigned long n = 0;
1832 static const char *file_id;
1833 static size_t size;
1834 char *name;
1835
1836 if (! file_id)
1837 {
1838 char *dst = dup_basename(input_name, ".idl");
1839 file_id = dst;
1840
1841 for (; *dst; ++dst)
1842 if (! isalnum((unsigned char) *dst))
1843 *dst = '_';
1844
1845 size = sizeof format - 7 + strlen(file_id) + 8;
1846 }
1847
1848 name = xmalloc(size);
1849 sprintf(name, format, file_id, n++);
1850 return name;
1851 }
1852
1853 struct allowed_attr
1854 {
1855 unsigned int dce_compatible : 1;
1856 unsigned int acf : 1;
1857 unsigned int on_interface : 1;
1858 unsigned int on_function : 1;
1859 unsigned int on_arg : 1;
1860 unsigned int on_type : 1;
1861 unsigned int on_enum : 1;
1862 unsigned int on_struct : 1;
1863 unsigned int on_union : 1;
1864 unsigned int on_field : 1;
1865 unsigned int on_library : 1;
1866 unsigned int on_dispinterface : 1;
1867 unsigned int on_module : 1;
1868 unsigned int on_coclass : 1;
1869 const char *display_name;
1870 };
1871
1872 struct allowed_attr allowed_attr[] =
1873 {
1874 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1875 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1876 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
1877 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1878 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1879 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1880 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1881 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1882 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1883 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1884 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1885 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1886 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1887 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1888 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1889 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
1890 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
1891 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
1892 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1893 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
1894 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
1895 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
1896 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
1897 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
1898 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
1899 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
1900 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
1901 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
1902 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
1903 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
1904 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
1905 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
1906 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
1907 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
1908 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
1909 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
1910 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
1911 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
1912 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
1913 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
1914 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
1915 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
1916 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
1917 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
1918 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
1919 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
1920 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
1921 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
1922 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
1923 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
1924 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
1925 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
1926 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
1927 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
1928 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
1929 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
1930 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
1931 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
1932 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
1933 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
1934 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
1935 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
1936 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
1937 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
1938 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
1939 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
1940 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
1941 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
1942 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
1943 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
1944 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
1945 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
1946 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
1947 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
1948 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
1949 };
1950
1951 const char *get_attr_display_name(enum attr_type type)
1952 {
1953 return allowed_attr[type].display_name;
1954 }
1955
1956 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
1957 {
1958 const attr_t *attr;
1959 if (!attrs) return attrs;
1960 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1961 {
1962 if (!allowed_attr[attr->type].on_interface)
1963 error_loc("inapplicable attribute %s for interface %s\n",
1964 allowed_attr[attr->type].display_name, name);
1965 }
1966 return attrs;
1967 }
1968
1969 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
1970 {
1971 const attr_t *attr;
1972 if (!attrs) return attrs;
1973 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
1974 {
1975 if (!allowed_attr[attr->type].on_function)
1976 error_loc("inapplicable attribute %s for function %s\n",
1977 allowed_attr[attr->type].display_name, name);
1978 }
1979 return attrs;
1980 }
1981
1982 static void check_arg(var_t *arg)
1983 {
1984 const type_t *t = arg->type;
1985 const attr_t *attr;
1986
1987 if (type_get_type(t) == TYPE_VOID)
1988 error_loc("argument '%s' has void type\n", arg->name);
1989
1990 if (arg->attrs)
1991 {
1992 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
1993 {
1994 if (!allowed_attr[attr->type].on_arg)
1995 error_loc("inapplicable attribute %s for argument %s\n",
1996 allowed_attr[attr->type].display_name, arg->name);
1997 }
1998 }
1999 }
2000
2001 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2002 {
2003 const attr_t *attr;
2004 if (!attrs) return attrs;
2005 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2006 {
2007 if (!allowed_attr[attr->type].on_type)
2008 error_loc("inapplicable attribute %s for typedef\n",
2009 allowed_attr[attr->type].display_name);
2010 }
2011 return attrs;
2012 }
2013
2014 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2015 {
2016 const attr_t *attr;
2017 if (!attrs) return attrs;
2018 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2019 {
2020 if (!allowed_attr[attr->type].on_enum)
2021 error_loc("inapplicable attribute %s for enum\n",
2022 allowed_attr[attr->type].display_name);
2023 }
2024 return attrs;
2025 }
2026
2027 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2028 {
2029 const attr_t *attr;
2030 if (!attrs) return attrs;
2031 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2032 {
2033 if (!allowed_attr[attr->type].on_struct)
2034 error_loc("inapplicable attribute %s for struct\n",
2035 allowed_attr[attr->type].display_name);
2036 }
2037 return attrs;
2038 }
2039
2040 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2041 {
2042 const attr_t *attr;
2043 if (!attrs) return attrs;
2044 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2045 {
2046 if (!allowed_attr[attr->type].on_union)
2047 error_loc("inapplicable attribute %s for union\n",
2048 allowed_attr[attr->type].display_name);
2049 }
2050 return attrs;
2051 }
2052
2053 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2054 {
2055 const attr_t *attr;
2056 if (!attrs) return attrs;
2057 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2058 {
2059 if (!allowed_attr[attr->type].on_field)
2060 error_loc("inapplicable attribute %s for field %s\n",
2061 allowed_attr[attr->type].display_name, name);
2062 }
2063 return attrs;
2064 }
2065
2066 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2067 {
2068 const attr_t *attr;
2069 if (!attrs) return attrs;
2070 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2071 {
2072 if (!allowed_attr[attr->type].on_library)
2073 error_loc("inapplicable attribute %s for library %s\n",
2074 allowed_attr[attr->type].display_name, name);
2075 }
2076 return attrs;
2077 }
2078
2079 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2080 {
2081 const attr_t *attr;
2082 if (!attrs) return attrs;
2083 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2084 {
2085 if (!allowed_attr[attr->type].on_dispinterface)
2086 error_loc("inapplicable attribute %s for dispinterface %s\n",
2087 allowed_attr[attr->type].display_name, name);
2088 }
2089 return attrs;
2090 }
2091
2092 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2093 {
2094 const attr_t *attr;
2095 if (!attrs) return attrs;
2096 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2097 {
2098 if (!allowed_attr[attr->type].on_module)
2099 error_loc("inapplicable attribute %s for module %s\n",
2100 allowed_attr[attr->type].display_name, name);
2101 }
2102 return attrs;
2103 }
2104
2105 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2106 {
2107 const attr_t *attr;
2108 if (!attrs) return attrs;
2109 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2110 {
2111 if (!allowed_attr[attr->type].on_coclass)
2112 error_loc("inapplicable attribute %s for coclass %s\n",
2113 allowed_attr[attr->type].display_name, name);
2114 }
2115 return attrs;
2116 }
2117
2118 static int is_allowed_conf_type(const type_t *type)
2119 {
2120 switch (type_get_type(type))
2121 {
2122 case TYPE_ENUM:
2123 return TRUE;
2124 case TYPE_BASIC:
2125 switch (type_basic_get_type(type))
2126 {
2127 case TYPE_BASIC_INT8:
2128 case TYPE_BASIC_INT16:
2129 case TYPE_BASIC_INT32:
2130 case TYPE_BASIC_INT64:
2131 case TYPE_BASIC_INT:
2132 case TYPE_BASIC_CHAR:
2133 case TYPE_BASIC_HYPER:
2134 case TYPE_BASIC_BYTE:
2135 case TYPE_BASIC_WCHAR:
2136 case TYPE_BASIC_ERROR_STATUS_T:
2137 return TRUE;
2138 default:
2139 return FALSE;
2140 }
2141 case TYPE_ALIAS:
2142 /* shouldn't get here because of type_get_type call above */
2143 assert(0);
2144 /* fall through */
2145 case TYPE_STRUCT:
2146 case TYPE_UNION:
2147 case TYPE_ENCAPSULATED_UNION:
2148 case TYPE_ARRAY:
2149 case TYPE_POINTER:
2150 case TYPE_VOID:
2151 case TYPE_MODULE:
2152 case TYPE_COCLASS:
2153 case TYPE_FUNCTION:
2154 case TYPE_INTERFACE:
2155 return FALSE;
2156 }
2157 return FALSE;
2158 }
2159
2160 static int is_ptr_guid_type(const type_t *type)
2161 {
2162 unsigned int align = 0;
2163
2164 /* first, make sure it is a pointer to something */
2165 if (!is_ptr(type)) return FALSE;
2166
2167 /* second, make sure it is a pointer to something of size sizeof(GUID),
2168 * i.e. 16 bytes */
2169 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2170 }
2171
2172 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2173 {
2174 expr_t *dim;
2175 struct expr_loc expr_loc;
2176 expr_loc.v = arg;
2177 expr_loc.attr = attr_name;
2178 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2179 {
2180 if (dim->type != EXPR_VOID)
2181 {
2182 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2183 if (!is_allowed_conf_type(expr_type))
2184 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2185 attr_name);
2186 }
2187 }
2188 }
2189
2190 static void check_remoting_fields(const var_t *var, type_t *type);
2191
2192 /* checks that properties common to fields and arguments are consistent */
2193 static void check_field_common(const type_t *container_type,
2194 const char *container_name, const var_t *arg)
2195 {
2196 type_t *type = arg->type;
2197 int more_to_do;
2198 const char *container_type_name = NULL;
2199
2200 switch (type_get_type_detect_alias(type))
2201 {
2202 case TYPE_STRUCT:
2203 container_type_name = "struct";
2204 break;
2205 case TYPE_UNION:
2206 container_type_name = "union";
2207 break;
2208 case TYPE_ENCAPSULATED_UNION:
2209 container_type_name = "encapsulated union";
2210 break;
2211 case TYPE_FUNCTION:
2212 container_type_name = "function";
2213 break;
2214 default:
2215 break;
2216 }
2217
2218 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2219 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2220 error_loc_info(&arg->loc_info,
2221 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2222 arg->name);
2223
2224 if (is_attr(arg->attrs, ATTR_SIZEIS))
2225 {
2226 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2227 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2228 }
2229 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2230 {
2231 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2232 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2233 }
2234 if (is_attr(arg->attrs, ATTR_IIDIS))
2235 {
2236 struct expr_loc expr_loc;
2237 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2238 if (expr->type != EXPR_VOID)
2239 {
2240 const type_t *expr_type;
2241 expr_loc.v = arg;
2242 expr_loc.attr = "iid_is";
2243 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2244 if (!expr_type || !is_ptr_guid_type(expr_type))
2245 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2246 }
2247 }
2248 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2249 {
2250 struct expr_loc expr_loc;
2251 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2252 if (expr->type != EXPR_VOID)
2253 {
2254 const type_t *expr_type;
2255 expr_loc.v = arg;
2256 expr_loc.attr = "switch_is";
2257 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2258 if (!expr_type || !is_allowed_conf_type(expr_type))
2259 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2260 expr_loc.attr);
2261 }
2262 }
2263
2264 do
2265 {
2266 more_to_do = FALSE;
2267
2268 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2269 {
2270 case TGT_STRUCT:
2271 case TGT_UNION:
2272 check_remoting_fields(arg, type);
2273 break;
2274 case TGT_INVALID:
2275 switch (type_get_type(type))
2276 {
2277 case TYPE_VOID:
2278 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot derive from void *\n",
2279 arg->name, container_type_name, container_name);
2280 break;
2281 case TYPE_FUNCTION:
2282 error_loc_info(&arg->loc_info, "parameter \'%s\' of %s \'%s\' cannot be a function pointer\n",
2283 arg->name, container_type_name, container_name);
2284 break;
2285 case TYPE_COCLASS:
2286 case TYPE_INTERFACE:
2287 case TYPE_MODULE:
2288 /* FIXME */
2289 break;
2290 default:
2291 break;
2292 }
2293 case TGT_CTXT_HANDLE:
2294 case TGT_CTXT_HANDLE_POINTER:
2295 /* FIXME */
2296 break;
2297 case TGT_POINTER:
2298 type = type_pointer_get_ref(type);
2299 more_to_do = TRUE;
2300 break;
2301 case TGT_ARRAY:
2302 type = type_array_get_element(type);
2303 more_to_do = TRUE;
2304 break;
2305 case TGT_USER_TYPE:
2306 case TGT_STRING:
2307 case TGT_IFACE_POINTER:
2308 case TGT_BASIC:
2309 case TGT_ENUM:
2310 /* nothing to do */
2311 break;
2312 }
2313 } while (more_to_do);
2314 }
2315
2316 static void check_remoting_fields(const var_t *var, type_t *type)
2317 {
2318 const var_t *field;
2319 const var_list_t *fields = NULL;
2320
2321 type = type_get_real_type(type);
2322
2323 if (type->checked)
2324 return;
2325
2326 type->checked = TRUE;
2327
2328 if (type_get_type(type) == TYPE_STRUCT)
2329 {
2330 if (type_is_complete(type))
2331 fields = type_struct_get_fields(type);
2332 else
2333 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2334 }
2335 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2336 fields = type_union_get_cases(type);
2337
2338 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2339 if (field->type) check_field_common(type, type->name, field);
2340 }
2341
2342 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2343 static void check_remoting_args(const var_t *func)
2344 {
2345 const char *funcname = func->name;
2346 const var_t *arg;
2347
2348 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2349 {
2350 const type_t *type = arg->type;
2351
2352 /* check that [out] parameters have enough pointer levels */
2353 if (is_attr(arg->attrs, ATTR_OUT))
2354 {
2355 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2356 {
2357 case TGT_BASIC:
2358 case TGT_ENUM:
2359 case TGT_STRUCT:
2360 case TGT_UNION:
2361 case TGT_CTXT_HANDLE:
2362 case TGT_USER_TYPE:
2363 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2364 break;
2365 case TGT_IFACE_POINTER:
2366 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2367 break;
2368 case TGT_STRING:
2369 if (!is_array(type))
2370 {
2371 /* FIXME */
2372 }
2373 break;
2374 case TGT_INVALID:
2375 /* already error'd before we get here */
2376 case TGT_CTXT_HANDLE_POINTER:
2377 case TGT_POINTER:
2378 case TGT_ARRAY:
2379 /* OK */
2380 break;
2381 }
2382 }
2383
2384 check_field_common(func->type, funcname, arg);
2385 }
2386 }
2387
2388 static void add_explicit_handle_if_necessary(var_t *func)
2389 {
2390 const var_t* explicit_handle_var;
2391 const var_t* explicit_generic_handle_var = NULL;
2392 const var_t* context_handle_var = NULL;
2393
2394 /* check for a defined binding handle */
2395 explicit_handle_var = get_explicit_handle_var(func);
2396 if (!explicit_handle_var)
2397 {
2398 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2399 if (!explicit_generic_handle_var)
2400 {
2401 context_handle_var = get_context_handle_var(func);
2402 if (!context_handle_var)
2403 {
2404 /* no explicit handle specified so add
2405 * "[in] handle_t IDL_handle" as the first parameter to the
2406 * function */
2407 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2408 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2409 idl_handle->type = find_type_or_error("handle_t", 0);
2410 type_function_add_head_arg(func->type, idl_handle);
2411 }
2412 }
2413 }
2414 }
2415
2416 static void check_functions(const type_t *iface, int is_inside_library)
2417 {
2418 const statement_t *stmt;
2419 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2420 {
2421 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2422 {
2423 var_t *func = stmt->u.var;
2424 add_explicit_handle_if_necessary(func);
2425 }
2426 }
2427 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2428 {
2429 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2430 {
2431 const var_t *func = stmt->u.var;
2432 if (!is_attr(func->attrs, ATTR_LOCAL))
2433 check_remoting_args(func);
2434 }
2435 }
2436 }
2437
2438 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2439 {
2440 const statement_t *stmt;
2441
2442 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2443 {
2444 if (stmt->type == STMT_LIBRARY)
2445 check_statements(stmt->u.lib->stmts, TRUE);
2446 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2447 check_functions(stmt->u.type, is_inside_library);
2448 }
2449 }
2450
2451 static void check_all_user_types(const statement_list_t *stmts)
2452 {
2453 const statement_t *stmt;
2454
2455 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2456 {
2457 if (stmt->type == STMT_LIBRARY)
2458 check_all_user_types(stmt->u.lib->stmts);
2459 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2460 !is_local(stmt->u.type->attrs))
2461 {
2462 const statement_t *stmt_func;
2463 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2464 const var_t *func = stmt_func->u.var;
2465 check_for_additional_prototype_types(func->type->details.function->args);
2466 }
2467 }
2468 }
2469 }
2470
2471 int is_valid_uuid(const char *s)
2472 {
2473 int i;
2474
2475 for (i = 0; i < 36; ++i)
2476 if (i == 8 || i == 13 || i == 18 || i == 23)
2477 {
2478 if (s[i] != '-')
2479 return FALSE;
2480 }
2481 else
2482 if (!isxdigit(s[i]))
2483 return FALSE;
2484
2485 return s[i] == '\0';
2486 }
2487
2488 static statement_t *make_statement(enum statement_type type)
2489 {
2490 statement_t *stmt = xmalloc(sizeof(*stmt));
2491 stmt->type = type;
2492 return stmt;
2493 }
2494
2495 static statement_t *make_statement_type_decl(type_t *type)
2496 {
2497 statement_t *stmt = make_statement(STMT_TYPE);
2498 stmt->u.type = type;
2499 return stmt;
2500 }
2501
2502 static statement_t *make_statement_reference(type_t *type)
2503 {
2504 statement_t *stmt = make_statement(STMT_TYPEREF);
2505 stmt->u.type = type;
2506 return stmt;
2507 }
2508
2509 static statement_t *make_statement_declaration(var_t *var)
2510 {
2511 statement_t *stmt = make_statement(STMT_DECLARATION);
2512 stmt->u.var = var;
2513 if (var->stgclass == STG_EXTERN && var->eval)
2514 warning("'%s' initialised and declared extern\n", var->name);
2515 if (is_const_decl(var))
2516 {
2517 if (var->eval)
2518 reg_const(var);
2519 }
2520 else if (type_get_type(var->type) == TYPE_FUNCTION)
2521 check_function_attrs(var->name, var->attrs);
2522 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2523 error_loc("instantiation of data is illegal\n");
2524 return stmt;
2525 }
2526
2527 static statement_t *make_statement_library(typelib_t *typelib)
2528 {
2529 statement_t *stmt = make_statement(STMT_LIBRARY);
2530 stmt->u.lib = typelib;
2531 return stmt;
2532 }
2533
2534 static statement_t *make_statement_cppquote(const char *str)
2535 {
2536 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2537 stmt->u.str = str;
2538 return stmt;
2539 }
2540
2541 static statement_t *make_statement_importlib(const char *str)
2542 {
2543 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2544 stmt->u.str = str;
2545 return stmt;
2546 }
2547
2548 static statement_t *make_statement_import(const char *str)
2549 {
2550 statement_t *stmt = make_statement(STMT_IMPORT);
2551 stmt->u.str = str;
2552 return stmt;
2553 }
2554
2555 static statement_t *make_statement_module(type_t *type)
2556 {
2557 statement_t *stmt = make_statement(STMT_MODULE);
2558 stmt->u.type = type;
2559 return stmt;
2560 }
2561
2562 static statement_t *make_statement_typedef(declarator_list_t *decls)
2563 {
2564 declarator_t *decl, *next;
2565 statement_t *stmt;
2566 type_list_t **type_list;
2567
2568 if (!decls) return NULL;
2569
2570 stmt = make_statement(STMT_TYPEDEF);
2571 stmt->u.type_list = NULL;
2572 type_list = &stmt->u.type_list;
2573
2574 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2575 {
2576 var_t *var = decl->var;
2577 type_t *type = find_type_or_error(var->name, 0);
2578 *type_list = xmalloc(sizeof(type_list_t));
2579 (*type_list)->type = type;
2580 (*type_list)->next = NULL;
2581
2582 type_list = &(*type_list)->next;
2583 free(decl);
2584 free(var);
2585 }
2586
2587 return stmt;
2588 }
2589
2590 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2591 {
2592 if (!stmt) return list;
2593 if (!list)
2594 {
2595 list = xmalloc( sizeof(*list) );
2596 list_init( list );
2597 }
2598 list_add_tail( list, &stmt->entry );
2599 return list;
2600 }
2601
2602 void init_loc_info(loc_info_t *i)
2603 {
2604 i->input_name = input_name ? input_name : "stdin";
2605 i->line_number = line_number;
2606 i->near_text = parser_text;
2607 }
2608
2609 static void check_def(const type_t *t)
2610 {
2611 if (t->defined)
2612 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2613 t->name, t->loc_info.input_name, t->loc_info.line_number);
2614 }
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