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d3dxof: Do not expect a separator when there is no element.
[wine/multimedia.git] / tools / widl / parser.y
blob2af7742d1721b4fc0ee310d9a64e644b0ee63b37
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 aSQSTRING
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 { $$ = make_exprs(EXPR_WSTRLIT, $1); }
635 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
636 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
637 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
638 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
639 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
640 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
641 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
642 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
643 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
644 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
645 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
646 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
647 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
648 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
649 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
650 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
651 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
652 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
653 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
654 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
655 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
656 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
657 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
658 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
659 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
660 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
661 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
662 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
663 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
664 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
665 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
666 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
667 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
668 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
669 | '(' expr ')' { $$ = $2; }
670 ;
671
672 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
673 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
674 ;
675
676 expr_int_const: expr { $$ = $1;
677 if (!$$->is_const)
678 error_loc("expression is not an integer constant\n");
679 }
680 ;
681
682 expr_const: expr { $$ = $1;
683 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
684 error_loc("expression is not constant\n");
685 }
686 ;
687
688 fields: { $$ = NULL; }
689 | fields field { $$ = append_var_list($1, $2); }
690 ;
691
692 field: m_attributes decl_spec struct_declarator_list ';'
693 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
694 check_field_attrs(first, $1);
695 $$ = set_var_types($1, $2, $3);
696 }
697 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
698 v->type = $2; v->attrs = $1;
699 $$ = append_var(NULL, v);
700 }
701 ;
702
703 ne_union_field:
704 s_field ';' { $$ = $1; }
705 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
706 ;
707
708 ne_union_fields: { $$ = NULL; }
709 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
710 ;
711
712 union_field:
713 s_field ';' { $$ = $1; }
714 | ';' { $$ = NULL; }
715 ;
716
717 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
718 $2, $3, FALSE);
719 free($3);
720 }
721 ;
722
723 funcdef:
724 m_attributes decl_spec declarator { var_t *v;
725 v = declare_var(check_function_attrs($3->var->name, $1),
726 $2, $3, FALSE);
727 free($3);
728 $$ = make_func(v);
729 }
730 ;
731
732 declaration:
733 attributes decl_spec init_declarator
734 { $$ = declare_var($1, $2, $3, FALSE);
735 free($3);
736 }
737 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
738 free($2);
739 }
740 ;
741
742 m_ident: { $$ = 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 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
781 ;
782
783 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
784 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
785 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
786 error_loc("%s was not declared a coclass at %s:%d\n",
787 $2, $$->loc_info.input_name,
788 $$->loc_info.line_number);
789 }
790 ;
791
792 coclasshdr: attributes coclass { $$ = $2;
793 check_def($$);
794 $$->attrs = check_coclass_attrs($2->name, $1);
795 }
796 ;
797
798 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
799 { $$ = type_coclass_define($1, $3); }
800 ;
801
802 coclass_ints: { $$ = NULL; }
803 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
804 ;
805
806 coclass_int:
807 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
808 ;
809
810 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
811 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
812 ;
813
814 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
815 is_object_interface = TRUE;
816 $$ = $2;
817 check_def($$);
818 attrs = make_attr(ATTR_DISPINTERFACE);
819 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
820 $$->defined = TRUE;
821 }
822 ;
823
824 dispint_props: tPROPERTIES ':' { $$ = NULL; }
825 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
826 ;
827
828 dispint_meths: tMETHODS ':' { $$ = NULL; }
829 | dispint_meths funcdef ';' { $$ = append_func( $1, $2 ); }
830 ;
831
832 dispinterfacedef: dispinterfacehdr '{'
833 dispint_props
834 dispint_meths
835 '}' { $$ = $1;
836 type_dispinterface_define($$, $3, $4);
837 }
838 | dispinterfacehdr
839 '{' interface ';' '}' { $$ = $1;
840 type_dispinterface_define_from_iface($$, $3);
841 }
842 ;
843
844 inherit: { $$ = NULL; }
845 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); is_object_interface = 1; }
846 ;
847
848 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
849 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
850 ;
851
852 interfacehdr: attributes interface { $$.interface = $2;
853 $$.old_pointer_default = pointer_default;
854 if (is_attr($1, ATTR_POINTERDEFAULT))
855 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
856 check_def($2);
857 $2->attrs = check_iface_attrs($2->name, $1);
858 is_object_interface = is_object($2);
859 $2->defined = TRUE;
860 }
861 ;
862
863 interfacedef: interfacehdr inherit
864 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
865 type_interface_define($$, $2, $4);
866 pointer_default = $1.old_pointer_default;
867 }
868 /* MIDL is able to import the definition of a base class from inside the
869 * definition of a derived class, I'll try to support it with this rule */
870 | interfacehdr ':' aIDENTIFIER
871 '{' import int_statements '}'
872 semicolon_opt { $$ = $1.interface;
873 type_interface_define($$, find_type_or_error2($3, 0), $6);
874 pointer_default = $1.old_pointer_default;
875 }
876 | dispinterfacedef semicolon_opt { $$ = $1; }
877 ;
878
879 interfacedec:
880 interface ';' { $$ = $1; }
881 | dispinterface ';' { $$ = $1; }
882 ;
883
884 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
885 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
886 ;
887
888 modulehdr: attributes module { $$ = $2;
889 $$->attrs = check_module_attrs($2->name, $1);
890 }
891 ;
892
893 moduledef: modulehdr '{' int_statements '}'
894 semicolon_opt { $$ = $1;
895 type_module_define($$, $3);
896 }
897 ;
898
899 storage_cls_spec:
900 tEXTERN { $$ = STG_EXTERN; }
901 | tSTATIC { $$ = STG_STATIC; }
902 | tREGISTER { $$ = STG_REGISTER; }
903 ;
904
905 function_specifier:
906 tINLINE { $$ = make_attr(ATTR_INLINE); }
907 ;
908
909 type_qualifier:
910 tCONST { $$ = make_attr(ATTR_CONST); }
911 ;
912
913 m_type_qual_list: { $$ = NULL; }
914 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
915 ;
916
917 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
918 | decl_spec_no_type type m_decl_spec_no_type
919 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
920 ;
921
922 m_decl_spec_no_type: { $$ = NULL; }
923 | decl_spec_no_type
924 ;
925
926 decl_spec_no_type:
927 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
928 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
929 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
930 ;
931
932 declarator:
933 '*' m_type_qual_list declarator %prec PPTR
934 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
935 | callconv declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
936 | direct_declarator
937 ;
938
939 direct_declarator:
940 ident { $$ = make_declarator($1); }
941 | '(' declarator ')' { $$ = $2; }
942 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
943 | direct_declarator '(' m_args ')' { $$ = $1;
944 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
945 $$->type = NULL;
946 }
947 ;
948
949 /* abstract declarator */
950 abstract_declarator:
951 '*' m_type_qual_list m_abstract_declarator %prec PPTR
952 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
953 | callconv m_abstract_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
954 | abstract_direct_declarator
955 ;
956
957 /* abstract declarator without accepting direct declarator */
958 abstract_declarator_no_direct:
959 '*' m_type_qual_list m_any_declarator %prec PPTR
960 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
961 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
962 ;
963
964 /* abstract declarator or empty */
965 m_abstract_declarator: { $$ = make_declarator(NULL); }
966 | abstract_declarator
967 ;
968
969 /* abstract direct declarator */
970 abstract_direct_declarator:
971 '(' abstract_declarator_no_direct ')' { $$ = $2; }
972 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
973 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
974 | '(' m_args ')'
975 { $$ = make_declarator(NULL);
976 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
977 $$->type = NULL;
978 }
979 | abstract_direct_declarator '(' m_args ')'
980 { $$ = $1;
981 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
982 $$->type = NULL;
983 }
984 ;
985
986 /* abstract or non-abstract declarator */
987 any_declarator:
988 '*' m_type_qual_list m_any_declarator %prec PPTR
989 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
990 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
991 | any_direct_declarator
992 ;
993
994 /* abstract or non-abstract declarator without accepting direct declarator */
995 any_declarator_no_direct:
996 '*' m_type_qual_list m_any_declarator %prec PPTR
997 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
998 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
999 ;
1000
1001 /* abstract or non-abstract declarator or empty */
1002 m_any_declarator: { $$ = make_declarator(NULL); }
1003 | any_declarator
1004 ;
1005
1006 /* abstract or non-abstract direct declarator. note: direct declarators
1007 * aren't accepted inside brackets to avoid ambiguity with the rule for
1008 * function arguments */
1009 any_direct_declarator:
1010 ident { $$ = make_declarator($1); }
1011 | '(' any_declarator_no_direct ')' { $$ = $2; }
1012 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1013 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1014 | '(' m_args ')'
1015 { $$ = make_declarator(NULL);
1016 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1017 $$->type = NULL;
1018 }
1019 | any_direct_declarator '(' m_args ')'
1020 { $$ = $1;
1021 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1022 $$->type = NULL;
1023 }
1024 ;
1025
1026 declarator_list:
1027 declarator { $$ = append_declarator( NULL, $1 ); }
1028 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1029 ;
1030
1031 m_bitfield: { $$ = NULL; }
1032 | ':' expr_const { $$ = $2; }
1033 ;
1034
1035 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1036 if (!$$->bits && !$$->var->name)
1037 error_loc("unnamed fields are not allowed\n");
1038 }
1039 ;
1040
1041 struct_declarator_list:
1042 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1043 | struct_declarator_list ',' struct_declarator
1044 { $$ = append_declarator( $1, $3 ); }
1045 ;
1046
1047 init_declarator:
1048 declarator { $$ = $1; }
1049 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1050 ;
1051
1052 pointer_type:
1053 tREF { $$ = RPC_FC_RP; }
1054 | tUNIQUE { $$ = RPC_FC_UP; }
1055 | tPTR { $$ = RPC_FC_FP; }
1056 ;
1057
1058 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1059 ;
1060
1061 type: tVOID { $$ = type_new_void(); }
1062 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1063 | base_type { $$ = $1; }
1064 | enumdef { $$ = $1; }
1065 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1066 | structdef { $$ = $1; }
1067 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1068 | uniondef { $$ = $1; }
1069 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1070 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1071 ;
1072
1073 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1074 { reg_typedefs($3, $4, check_typedef_attrs($2));
1075 $$ = make_statement_typedef($4);
1076 }
1077 ;
1078
1079 uniondef: tUNION t_ident '{' ne_union_fields '}'
1080 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1081 | tUNION t_ident
1082 tSWITCH '(' s_field ')'
1083 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1084 ;
1085
1086 version:
1087 aNUM { $$ = MAKEVERSION($1, 0); }
1088 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1089 ;
1090
1091 %%
1092
1093 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1094 {
1095 type_t *t = type_new_basic(type);
1096 reg_type(t, name, 0);
1097 }
1098
1099 static void decl_builtin_alias(const char *name, type_t *t)
1100 {
1101 reg_type(type_new_alias(t, name), name, 0);
1102 }
1103
1104 void init_types(void)
1105 {
1106 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1107 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1108 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1109 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1110 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1111 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1112 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1113 }
1114
1115 static str_list_t *append_str(str_list_t *list, char *str)
1116 {
1117 struct str_list_entry_t *entry;
1118
1119 if (!str) return list;
1120 if (!list)
1121 {
1122 list = xmalloc( sizeof(*list) );
1123 list_init( list );
1124 }
1125 entry = xmalloc( sizeof(*entry) );
1126 entry->str = str;
1127 list_add_tail( list, &entry->entry );
1128 return list;
1129 }
1130
1131 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1132 {
1133 attr_t *attr_existing;
1134 if (!attr) return list;
1135 if (!list)
1136 {
1137 list = xmalloc( sizeof(*list) );
1138 list_init( list );
1139 }
1140 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1141 if (attr_existing->type == attr->type)
1142 {
1143 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1144 /* use the last attribute, like MIDL does */
1145 list_remove(&attr_existing->entry);
1146 break;
1147 }
1148 list_add_tail( list, &attr->entry );
1149 return list;
1150 }
1151
1152 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1153 {
1154 attr_t *attr;
1155 if (!src) return dst;
1156 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1157 if (attr->type == type)
1158 {
1159 list_remove(&attr->entry);
1160 return append_attr(dst, attr);
1161 }
1162 return dst;
1163 }
1164
1165 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1166 {
1167 struct list *entry;
1168
1169 if (!old_list) return new_list;
1170
1171 while ((entry = list_head(old_list)))
1172 {
1173 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1174 list_remove(entry);
1175 new_list = append_attr(new_list, attr);
1176 }
1177 return new_list;
1178 }
1179
1180 static attr_list_t *dupattrs(const attr_list_t *list)
1181 {
1182 attr_list_t *new_list;
1183 const attr_t *attr;
1184
1185 if (!list) return NULL;
1186
1187 new_list = xmalloc( sizeof(*list) );
1188 list_init( new_list );
1189 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1190 {
1191 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1192 *new_attr = *attr;
1193 list_add_tail(new_list, &new_attr->entry);
1194 }
1195 return new_list;
1196 }
1197
1198 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)
1199 {
1200 decl_spec_t *declspec = left ? left : right;
1201 if (!declspec)
1202 {
1203 declspec = xmalloc(sizeof(*declspec));
1204 declspec->type = NULL;
1205 declspec->attrs = NULL;
1206 declspec->stgclass = STG_NONE;
1207 }
1208 declspec->type = type;
1209 if (left && declspec != left)
1210 {
1211 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1212 if (declspec->stgclass == STG_NONE)
1213 declspec->stgclass = left->stgclass;
1214 else if (left->stgclass != STG_NONE)
1215 error_loc("only one storage class can be specified\n");
1216 assert(!left->type);
1217 free(left);
1218 }
1219 if (right && declspec != right)
1220 {
1221 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1222 if (declspec->stgclass == STG_NONE)
1223 declspec->stgclass = right->stgclass;
1224 else if (right->stgclass != STG_NONE)
1225 error_loc("only one storage class can be specified\n");
1226 assert(!right->type);
1227 free(right);
1228 }
1229
1230 declspec->attrs = append_attr(declspec->attrs, attr);
1231 if (declspec->stgclass == STG_NONE)
1232 declspec->stgclass = stgclass;
1233 else if (stgclass != STG_NONE)
1234 error_loc("only one storage class can be specified\n");
1235
1236 /* apply attributes to type */
1237 if (type && declspec->attrs)
1238 {
1239 attr_list_t *attrs;
1240 declspec->type = duptype(type, 1);
1241 attrs = dupattrs(type->attrs);
1242 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1243 declspec->attrs = NULL;
1244 }
1245
1246 return declspec;
1247 }
1248
1249 static attr_t *make_attr(enum attr_type type)
1250 {
1251 attr_t *a = xmalloc(sizeof(attr_t));
1252 a->type = type;
1253 a->u.ival = 0;
1254 return a;
1255 }
1256
1257 static attr_t *make_attrv(enum attr_type type, unsigned long val)
1258 {
1259 attr_t *a = xmalloc(sizeof(attr_t));
1260 a->type = type;
1261 a->u.ival = val;
1262 return a;
1263 }
1264
1265 static attr_t *make_attrp(enum attr_type type, void *val)
1266 {
1267 attr_t *a = xmalloc(sizeof(attr_t));
1268 a->type = type;
1269 a->u.pval = val;
1270 return a;
1271 }
1272
1273 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1274 {
1275 if (!expr) return list;
1276 if (!list)
1277 {
1278 list = xmalloc( sizeof(*list) );
1279 list_init( list );
1280 }
1281 list_add_tail( list, &expr->entry );
1282 return list;
1283 }
1284
1285 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1286 {
1287 if (!expr) return list;
1288 if (!list)
1289 {
1290 list = xmalloc( sizeof(*list) );
1291 list_init( list );
1292 }
1293 list_add_tail( list, &expr->entry );
1294 return list;
1295 }
1296
1297 static struct list type_pool = LIST_INIT(type_pool);
1298 typedef struct
1299 {
1300 type_t data;
1301 struct list link;
1302 } type_pool_node_t;
1303
1304 type_t *alloc_type(void)
1305 {
1306 type_pool_node_t *node = xmalloc(sizeof *node);
1307 list_add_tail(&type_pool, &node->link);
1308 return &node->data;
1309 }
1310
1311 void set_all_tfswrite(int val)
1312 {
1313 type_pool_node_t *node;
1314 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1315 node->data.tfswrite = val;
1316 }
1317
1318 void clear_all_offsets(void)
1319 {
1320 type_pool_node_t *node;
1321 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1322 node->data.typestring_offset = node->data.ptrdesc = 0;
1323 }
1324
1325 static void type_function_add_head_arg(type_t *type, var_t *arg)
1326 {
1327 if (!type->details.function->args)
1328 {
1329 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1330 list_init( type->details.function->args );
1331 }
1332 list_add_head( type->details.function->args, &arg->entry );
1333 }
1334
1335 static int is_allowed_range_type(const type_t *type)
1336 {
1337 switch (type_get_type(type))
1338 {
1339 case TYPE_ENUM:
1340 return TRUE;
1341 case TYPE_BASIC:
1342 switch (type_basic_get_type(type))
1343 {
1344 case TYPE_BASIC_INT8:
1345 case TYPE_BASIC_INT16:
1346 case TYPE_BASIC_INT32:
1347 case TYPE_BASIC_INT64:
1348 case TYPE_BASIC_INT:
1349 case TYPE_BASIC_INT3264:
1350 case TYPE_BASIC_BYTE:
1351 case TYPE_BASIC_CHAR:
1352 case TYPE_BASIC_WCHAR:
1353 case TYPE_BASIC_HYPER:
1354 return TRUE;
1355 case TYPE_BASIC_FLOAT:
1356 case TYPE_BASIC_DOUBLE:
1357 case TYPE_BASIC_ERROR_STATUS_T:
1358 case TYPE_BASIC_HANDLE:
1359 return FALSE;
1360 }
1361 return FALSE;
1362 default:
1363 return FALSE;
1364 }
1365 }
1366
1367 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1368 {
1369 type_t *ptrchain_type;
1370 if (!ptrchain)
1371 return type;
1372 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1373 ;
1374 assert(ptrchain_type->type_type == TYPE_POINTER);
1375 ptrchain_type->details.pointer.ref = type;
1376 return ptrchain;
1377 }
1378
1379 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1380 int top)
1381 {
1382 var_t *v = decl->var;
1383 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1384 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1385 int sizeless;
1386 expr_t *dim;
1387 type_t **ptype;
1388 array_dims_t *arr = decl ? decl->array : NULL;
1389 type_t *func_type = decl ? decl->func_type : NULL;
1390 type_t *type = decl_spec->type;
1391
1392 if (is_attr(type->attrs, ATTR_INLINE))
1393 {
1394 if (!func_type)
1395 error_loc("inline attribute applied to non-function type\n");
1396 else
1397 {
1398 type_t *t;
1399 /* move inline attribute from return type node to function node */
1400 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1401 ;
1402 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1403 }
1404 }
1405
1406 /* add type onto the end of the pointers in pident->type */
1407 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1408 v->stgclass = decl_spec->stgclass;
1409 v->attrs = attrs;
1410
1411 /* check for pointer attribute being applied to non-pointer, non-array
1412 * type */
1413 if (!arr)
1414 {
1415 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1416 const type_t *ptr = NULL;
1417 /* pointer attributes on the left side of the type belong to the function
1418 * pointer, if one is being declared */
1419 type_t **pt = func_type ? &func_type : &v->type;
1420 for (ptr = *pt; ptr && !ptr_attr; )
1421 {
1422 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1423 if (!ptr_attr && type_is_alias(ptr))
1424 ptr = type_alias_get_aliasee(ptr);
1425 else
1426 break;
1427 }
1428 if (is_ptr(ptr))
1429 {
1430 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1431 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1432 warning_loc_info(&v->loc_info,
1433 "%s: pointer attribute applied to interface "
1434 "pointer type has no effect\n", v->name);
1435 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1436 {
1437 /* FIXME: this is a horrible hack to cope with the issue that we
1438 * store an offset to the typeformat string in the type object, but
1439 * two typeformat strings may be written depending on whether the
1440 * pointer is a toplevel parameter or not */
1441 *pt = duptype(*pt, 1);
1442 }
1443 }
1444 else if (ptr_attr)
1445 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1446 }
1447
1448 if (is_attr(v->attrs, ATTR_STRING))
1449 {
1450 type_t *t = type;
1451
1452 if (!is_ptr(v->type) && !arr)
1453 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1454 v->name);
1455
1456 while (is_ptr(t))
1457 t = type_pointer_get_ref(t);
1458
1459 if (type_get_type(t) != TYPE_BASIC &&
1460 (get_basic_fc(t) != RPC_FC_CHAR &&
1461 get_basic_fc(t) != RPC_FC_BYTE &&
1462 get_basic_fc(t) != RPC_FC_WCHAR))
1463 {
1464 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1465 v->name);
1466 }
1467 }
1468
1469 if (is_attr(v->attrs, ATTR_V1ENUM))
1470 {
1471 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1472 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1473 }
1474
1475 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1476 error_loc("'%s': [range] attribute applied to non-integer type\n",
1477 v->name);
1478
1479 ptype = &v->type;
1480 sizeless = FALSE;
1481 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1482 {
1483 if (sizeless)
1484 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1485
1486 if (dim->is_const)
1487 {
1488 if (dim->cval <= 0)
1489 error_loc("%s: array dimension must be positive\n", v->name);
1490
1491 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1492 if (0)
1493 {
1494 unsigned int align = 0;
1495 unsigned int size = type_memsize(v->type, &align);
1496
1497 if (0xffffffffu / size < dim->cval)
1498 error_loc("%s: total array size is too large\n", v->name);
1499 }
1500 }
1501 else
1502 sizeless = TRUE;
1503
1504 *ptype = type_new_array(NULL, *ptype, FALSE,
1505 dim->is_const ? dim->cval : 0,
1506 dim->is_const ? NULL : dim, NULL,
1507 pointer_default);
1508 }
1509
1510 ptype = &v->type;
1511 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1512 {
1513 if (dim->type != EXPR_VOID)
1514 {
1515 if (is_array(*ptype))
1516 {
1517 if (type_array_get_conformance(*ptype)->is_const)
1518 error_loc("%s: cannot specify size_is for a fixed sized array\n", v->name);
1519 else
1520 *ptype = type_new_array((*ptype)->name,
1521 type_array_get_element(*ptype), FALSE,
1522 0, dim, NULL, 0);
1523 }
1524 else if (is_ptr(*ptype))
1525 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1526 0, dim, NULL, pointer_default);
1527 else
1528 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1529 }
1530
1531 if (is_ptr(*ptype))
1532 ptype = &(*ptype)->details.pointer.ref;
1533 else if (is_array(*ptype))
1534 ptype = &(*ptype)->details.array.elem;
1535 else
1536 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1537 }
1538
1539 ptype = &v->type;
1540 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1541 {
1542 if (dim->type != EXPR_VOID)
1543 {
1544 if (is_array(*ptype))
1545 {
1546 *ptype = type_new_array((*ptype)->name,
1547 type_array_get_element(*ptype),
1548 type_array_is_decl_as_ptr(*ptype),
1549 type_array_get_dim(*ptype),
1550 type_array_get_conformance(*ptype),
1551 dim, type_array_get_ptr_default_fc(*ptype));
1552 }
1553 else
1554 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1555 }
1556
1557 if (is_ptr(*ptype))
1558 ptype = &(*ptype)->details.pointer.ref;
1559 else if (is_array(*ptype))
1560 ptype = &(*ptype)->details.array.elem;
1561 else
1562 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1563 }
1564
1565 /* v->type is currently pointing to the type on the left-side of the
1566 * declaration, so we need to fix this up so that it is the return type of the
1567 * function and make v->type point to the function side of the declaration */
1568 if (func_type)
1569 {
1570 type_t *ft, *t;
1571 type_t *return_type = v->type;
1572 v->type = func_type;
1573 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1574 ;
1575 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1576 ft->details.function->rettype = return_type;
1577 /* move calling convention attribute, if present, from pointer nodes to
1578 * function node */
1579 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1580 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1581 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1582 {
1583 static char *stdmethodcalltype;
1584 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1585 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1586 }
1587 }
1588 else
1589 {
1590 type_t *t;
1591 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1592 if (is_attr(t->attrs, ATTR_CALLCONV))
1593 error_loc("calling convention applied to non-function-pointer type\n");
1594 }
1595
1596 if (decl->bits)
1597 v->type = type_new_bitfield(v->type, decl->bits);
1598
1599 return v;
1600 }
1601
1602 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1603 {
1604 declarator_t *decl, *next;
1605 var_list_t *var_list = NULL;
1606
1607 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1608 {
1609 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1610 var_list = append_var(var_list, var);
1611 free(decl);
1612 }
1613 free(decl_spec);
1614 return var_list;
1615 }
1616
1617 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1618 {
1619 if (!iface) return list;
1620 if (!list)
1621 {
1622 list = xmalloc( sizeof(*list) );
1623 list_init( list );
1624 }
1625 list_add_tail( list, &iface->entry );
1626 return list;
1627 }
1628
1629 static ifref_t *make_ifref(type_t *iface)
1630 {
1631 ifref_t *l = xmalloc(sizeof(ifref_t));
1632 l->iface = iface;
1633 l->attrs = NULL;
1634 return l;
1635 }
1636
1637 var_list_t *append_var(var_list_t *list, var_t *var)
1638 {
1639 if (!var) return list;
1640 if (!list)
1641 {
1642 list = xmalloc( sizeof(*list) );
1643 list_init( list );
1644 }
1645 list_add_tail( list, &var->entry );
1646 return list;
1647 }
1648
1649 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1650 {
1651 if (!vars) return list;
1652 if (!list)
1653 {
1654 list = xmalloc( sizeof(*list) );
1655 list_init( list );
1656 }
1657 list_move_tail( list, vars );
1658 return list;
1659 }
1660
1661 var_t *make_var(char *name)
1662 {
1663 var_t *v = xmalloc(sizeof(var_t));
1664 v->name = name;
1665 v->type = NULL;
1666 v->attrs = NULL;
1667 v->eval = NULL;
1668 v->stgclass = STG_NONE;
1669 init_loc_info(&v->loc_info);
1670 return v;
1671 }
1672
1673 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1674 {
1675 if (!d) return list;
1676 if (!list) {
1677 list = xmalloc(sizeof(*list));
1678 list_init(list);
1679 }
1680 list_add_tail(list, &d->entry);
1681 return list;
1682 }
1683
1684 static declarator_t *make_declarator(var_t *var)
1685 {
1686 declarator_t *d = xmalloc(sizeof(*d));
1687 d->var = var ? var : make_var(NULL);
1688 d->type = NULL;
1689 d->func_type = NULL;
1690 d->array = NULL;
1691 d->bits = NULL;
1692 return d;
1693 }
1694
1695 static func_list_t *append_func(func_list_t *list, func_t *func)
1696 {
1697 if (!func) return list;
1698 if (!list)
1699 {
1700 list = xmalloc( sizeof(*list) );
1701 list_init( list );
1702 }
1703 list_add_tail( list, &func->entry );
1704 return list;
1705 }
1706
1707 static func_t *make_func(var_t *def)
1708 {
1709 func_t *f = xmalloc(sizeof(func_t));
1710 f->def = def;
1711 return f;
1712 }
1713
1714 static type_t *make_safearray(type_t *type)
1715 {
1716 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1717 NULL, NULL, RPC_FC_RP);
1718 }
1719
1720 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1721 {
1722 typelib_t *typelib = xmalloc(sizeof(*typelib));
1723 typelib->name = xstrdup(name);
1724 typelib->filename = NULL;
1725 typelib->attrs = attrs;
1726 list_init( &typelib->importlibs );
1727 return typelib;
1728 }
1729
1730 #define HASHMAX 64
1731
1732 static int hash_ident(const char *name)
1733 {
1734 const char *p = name;
1735 int sum = 0;
1736 /* a simple sum hash is probably good enough */
1737 while (*p) {
1738 sum += *p;
1739 p++;
1740 }
1741 return sum & (HASHMAX-1);
1742 }
1743
1744 /***** type repository *****/
1745
1746 struct rtype {
1747 const char *name;
1748 type_t *type;
1749 int t;
1750 struct rtype *next;
1751 };
1752
1753 struct rtype *type_hash[HASHMAX];
1754
1755 type_t *reg_type(type_t *type, const char *name, int t)
1756 {
1757 struct rtype *nt;
1758 int hash;
1759 if (!name) {
1760 error_loc("registering named type without name\n");
1761 return type;
1762 }
1763 hash = hash_ident(name);
1764 nt = xmalloc(sizeof(struct rtype));
1765 nt->name = name;
1766 nt->type = type;
1767 nt->t = t;
1768 nt->next = type_hash[hash];
1769 type_hash[hash] = nt;
1770 if ((t == tsSTRUCT || t == tsUNION))
1771 fix_incomplete_types(type);
1772 return type;
1773 }
1774
1775 static int is_incomplete(const type_t *t)
1776 {
1777 return !t->defined &&
1778 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1779 type_get_type_detect_alias(t) == TYPE_UNION ||
1780 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1781 }
1782
1783 void add_incomplete(type_t *t)
1784 {
1785 struct typenode *tn = xmalloc(sizeof *tn);
1786 tn->type = t;
1787 list_add_tail(&incomplete_types, &tn->entry);
1788 }
1789
1790 static void fix_type(type_t *t)
1791 {
1792 if (type_is_alias(t) && is_incomplete(t)) {
1793 type_t *ot = type_alias_get_aliasee(t);
1794 fix_type(ot);
1795 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1796 type_get_type_detect_alias(ot) == TYPE_UNION ||
1797 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1798 t->details.structure = ot->details.structure;
1799 t->defined = ot->defined;
1800 }
1801 }
1802
1803 static void fix_incomplete(void)
1804 {
1805 struct typenode *tn, *next;
1806
1807 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1808 fix_type(tn->type);
1809 list_remove(&tn->entry);
1810 free(tn);
1811 }
1812 }
1813
1814 static void fix_incomplete_types(type_t *complete_type)
1815 {
1816 struct typenode *tn, *next;
1817
1818 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1819 {
1820 if (type_is_equal(complete_type, tn->type))
1821 {
1822 tn->type->details.structure = complete_type->details.structure;
1823 list_remove(&tn->entry);
1824 free(tn);
1825 }
1826 }
1827 }
1828
1829 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1830 {
1831 const declarator_t *decl;
1832 type_t *type = decl_spec->type;
1833
1834 /* We must generate names for tagless enum, struct or union.
1835 Typedef-ing a tagless enum, struct or union means we want the typedef
1836 to be included in a library hence the public attribute. */
1837 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1838 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1839 type_get_type_detect_alias(type) == TYPE_UNION ||
1840 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1841 !type->name && !parse_only)
1842 {
1843 if (! is_attr(attrs, ATTR_PUBLIC))
1844 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1845 type->name = gen_name();
1846 }
1847 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1848 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1849
1850 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1851 {
1852
1853 if (decl->var->name) {
1854 type_t *cur;
1855 var_t *name;
1856
1857 cur = find_type(decl->var->name, 0);
1858 if (cur)
1859 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1860 cur->name, cur->loc_info.input_name,
1861 cur->loc_info.line_number);
1862
1863 name = declare_var(attrs, decl_spec, decl, 0);
1864 cur = type_new_alias(name->type, name->name);
1865 cur->attrs = attrs;
1866
1867 if (is_incomplete(cur))
1868 add_incomplete(cur);
1869 reg_type(cur, cur->name, 0);
1870 }
1871 }
1872 return type;
1873 }
1874
1875 type_t *find_type(const char *name, int t)
1876 {
1877 struct rtype *cur = type_hash[hash_ident(name)];
1878 while (cur && (cur->t != t || strcmp(cur->name, name)))
1879 cur = cur->next;
1880 return cur ? cur->type : NULL;
1881 }
1882
1883 static type_t *find_type_or_error(const char *name, int t)
1884 {
1885 type_t *type = find_type(name, t);
1886 if (!type) {
1887 error_loc("type '%s' not found\n", name);
1888 return NULL;
1889 }
1890 return type;
1891 }
1892
1893 static type_t *find_type_or_error2(char *name, int t)
1894 {
1895 type_t *tp = find_type_or_error(name, t);
1896 free(name);
1897 return tp;
1898 }
1899
1900 int is_type(const char *name)
1901 {
1902 return find_type(name, 0) != NULL;
1903 }
1904
1905 type_t *get_type(enum type_type type, char *name, int t)
1906 {
1907 type_t *tp;
1908 if (name) {
1909 tp = find_type(name, t);
1910 if (tp) {
1911 free(name);
1912 return tp;
1913 }
1914 }
1915 tp = make_type(type);
1916 tp->name = name;
1917 if (!name) return tp;
1918 return reg_type(tp, name, t);
1919 }
1920
1921 /***** constant repository *****/
1922
1923 struct rconst {
1924 char *name;
1925 var_t *var;
1926 struct rconst *next;
1927 };
1928
1929 struct rconst *const_hash[HASHMAX];
1930
1931 static var_t *reg_const(var_t *var)
1932 {
1933 struct rconst *nc;
1934 int hash;
1935 if (!var->name) {
1936 error_loc("registering constant without name\n");
1937 return var;
1938 }
1939 hash = hash_ident(var->name);
1940 nc = xmalloc(sizeof(struct rconst));
1941 nc->name = var->name;
1942 nc->var = var;
1943 nc->next = const_hash[hash];
1944 const_hash[hash] = nc;
1945 return var;
1946 }
1947
1948 var_t *find_const(const char *name, int f)
1949 {
1950 struct rconst *cur = const_hash[hash_ident(name)];
1951 while (cur && strcmp(cur->name, name))
1952 cur = cur->next;
1953 if (!cur) {
1954 if (f) error_loc("constant '%s' not found\n", name);
1955 return NULL;
1956 }
1957 return cur->var;
1958 }
1959
1960 static char *gen_name(void)
1961 {
1962 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1963 static unsigned long n = 0;
1964 static const char *file_id;
1965 static size_t size;
1966 char *name;
1967
1968 if (! file_id)
1969 {
1970 char *dst = dup_basename(input_name, ".idl");
1971 file_id = dst;
1972
1973 for (; *dst; ++dst)
1974 if (! isalnum((unsigned char) *dst))
1975 *dst = '_';
1976
1977 size = sizeof format - 7 + strlen(file_id) + 8;
1978 }
1979
1980 name = xmalloc(size);
1981 sprintf(name, format, file_id, n++);
1982 return name;
1983 }
1984
1985 struct allowed_attr
1986 {
1987 unsigned int dce_compatible : 1;
1988 unsigned int acf : 1;
1989 unsigned int on_interface : 1;
1990 unsigned int on_function : 1;
1991 unsigned int on_arg : 1;
1992 unsigned int on_type : 1;
1993 unsigned int on_enum : 1;
1994 unsigned int on_struct : 1;
1995 unsigned int on_union : 1;
1996 unsigned int on_field : 1;
1997 unsigned int on_library : 1;
1998 unsigned int on_dispinterface : 1;
1999 unsigned int on_module : 1;
2000 unsigned int on_coclass : 1;
2001 const char *display_name;
2002 };
2003
2004 struct allowed_attr allowed_attr[] =
2005 {
2006 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
2007 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
2008 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
2009 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
2010 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
2011 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
2012 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
2013 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
2014 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
2015 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2016 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
2017 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
2018 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
2019 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
2020 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
2021 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2022 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2023 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2024 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2025 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2026 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2027 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2028 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2029 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2030 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2031 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2032 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2033 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2034 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2035 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2036 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2037 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2038 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2039 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2040 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2041 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2042 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2043 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2044 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2045 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2046 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2047 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2048 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2049 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2050 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2051 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2052 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2053 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2054 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2055 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2056 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2057 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2058 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2059 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2060 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2061 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2062 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2063 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2064 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2065 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2066 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2067 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2068 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2069 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2070 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2071 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2072 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2073 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2074 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2075 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2076 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2077 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2078 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2079 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2080 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2081 };
2082
2083 const char *get_attr_display_name(enum attr_type type)
2084 {
2085 return allowed_attr[type].display_name;
2086 }
2087
2088 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2089 {
2090 const attr_t *attr;
2091 if (!attrs) return attrs;
2092 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2093 {
2094 if (!allowed_attr[attr->type].on_interface)
2095 error_loc("inapplicable attribute %s for interface %s\n",
2096 allowed_attr[attr->type].display_name, name);
2097 }
2098 return attrs;
2099 }
2100
2101 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2102 {
2103 const attr_t *attr;
2104 if (!attrs) return attrs;
2105 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2106 {
2107 if (!allowed_attr[attr->type].on_function)
2108 error_loc("inapplicable attribute %s for function %s\n",
2109 allowed_attr[attr->type].display_name, name);
2110 }
2111 return attrs;
2112 }
2113
2114 static void check_arg_attrs(const var_t *arg)
2115 {
2116 const attr_t *attr;
2117
2118 if (arg->attrs)
2119 {
2120 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2121 {
2122 if (!allowed_attr[attr->type].on_arg)
2123 error_loc("inapplicable attribute %s for argument %s\n",
2124 allowed_attr[attr->type].display_name, arg->name);
2125 }
2126 }
2127 }
2128
2129 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2130 {
2131 const attr_t *attr;
2132 if (!attrs) return attrs;
2133 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2134 {
2135 if (!allowed_attr[attr->type].on_type)
2136 error_loc("inapplicable attribute %s for typedef\n",
2137 allowed_attr[attr->type].display_name);
2138 }
2139 return attrs;
2140 }
2141
2142 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2143 {
2144 const attr_t *attr;
2145 if (!attrs) return attrs;
2146 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2147 {
2148 if (!allowed_attr[attr->type].on_enum)
2149 error_loc("inapplicable attribute %s for enum\n",
2150 allowed_attr[attr->type].display_name);
2151 }
2152 return attrs;
2153 }
2154
2155 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2156 {
2157 const attr_t *attr;
2158 if (!attrs) return attrs;
2159 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2160 {
2161 if (!allowed_attr[attr->type].on_struct)
2162 error_loc("inapplicable attribute %s for struct\n",
2163 allowed_attr[attr->type].display_name);
2164 }
2165 return attrs;
2166 }
2167
2168 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2169 {
2170 const attr_t *attr;
2171 if (!attrs) return attrs;
2172 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2173 {
2174 if (!allowed_attr[attr->type].on_union)
2175 error_loc("inapplicable attribute %s for union\n",
2176 allowed_attr[attr->type].display_name);
2177 }
2178 return attrs;
2179 }
2180
2181 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2182 {
2183 const attr_t *attr;
2184 if (!attrs) return attrs;
2185 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2186 {
2187 if (!allowed_attr[attr->type].on_field)
2188 error_loc("inapplicable attribute %s for field %s\n",
2189 allowed_attr[attr->type].display_name, name);
2190 }
2191 return attrs;
2192 }
2193
2194 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2195 {
2196 const attr_t *attr;
2197 if (!attrs) return attrs;
2198 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2199 {
2200 if (!allowed_attr[attr->type].on_library)
2201 error_loc("inapplicable attribute %s for library %s\n",
2202 allowed_attr[attr->type].display_name, name);
2203 }
2204 return attrs;
2205 }
2206
2207 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2208 {
2209 const attr_t *attr;
2210 if (!attrs) return attrs;
2211 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2212 {
2213 if (!allowed_attr[attr->type].on_dispinterface)
2214 error_loc("inapplicable attribute %s for dispinterface %s\n",
2215 allowed_attr[attr->type].display_name, name);
2216 }
2217 return attrs;
2218 }
2219
2220 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2221 {
2222 const attr_t *attr;
2223 if (!attrs) return attrs;
2224 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2225 {
2226 if (!allowed_attr[attr->type].on_module)
2227 error_loc("inapplicable attribute %s for module %s\n",
2228 allowed_attr[attr->type].display_name, name);
2229 }
2230 return attrs;
2231 }
2232
2233 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2234 {
2235 const attr_t *attr;
2236 if (!attrs) return attrs;
2237 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2238 {
2239 if (!allowed_attr[attr->type].on_coclass)
2240 error_loc("inapplicable attribute %s for coclass %s\n",
2241 allowed_attr[attr->type].display_name, name);
2242 }
2243 return attrs;
2244 }
2245
2246 static int is_allowed_conf_type(const type_t *type)
2247 {
2248 switch (type_get_type(type))
2249 {
2250 case TYPE_ENUM:
2251 return TRUE;
2252 case TYPE_BASIC:
2253 switch (type_basic_get_type(type))
2254 {
2255 case TYPE_BASIC_INT8:
2256 case TYPE_BASIC_INT16:
2257 case TYPE_BASIC_INT32:
2258 case TYPE_BASIC_INT64:
2259 case TYPE_BASIC_INT:
2260 case TYPE_BASIC_CHAR:
2261 case TYPE_BASIC_HYPER:
2262 case TYPE_BASIC_BYTE:
2263 case TYPE_BASIC_WCHAR:
2264 case TYPE_BASIC_ERROR_STATUS_T:
2265 return TRUE;
2266 default:
2267 return FALSE;
2268 }
2269 case TYPE_ALIAS:
2270 /* shouldn't get here because of type_get_type call above */
2271 assert(0);
2272 /* fall through */
2273 case TYPE_STRUCT:
2274 case TYPE_UNION:
2275 case TYPE_ENCAPSULATED_UNION:
2276 case TYPE_ARRAY:
2277 case TYPE_POINTER:
2278 case TYPE_VOID:
2279 case TYPE_MODULE:
2280 case TYPE_COCLASS:
2281 case TYPE_FUNCTION:
2282 case TYPE_INTERFACE:
2283 case TYPE_BITFIELD:
2284 return FALSE;
2285 }
2286 return FALSE;
2287 }
2288
2289 static int is_ptr_guid_type(const type_t *type)
2290 {
2291 unsigned int align = 0;
2292
2293 /* first, make sure it is a pointer to something */
2294 if (!is_ptr(type)) return FALSE;
2295
2296 /* second, make sure it is a pointer to something of size sizeof(GUID),
2297 * i.e. 16 bytes */
2298 return (type_memsize(type_pointer_get_ref(type), &align) == 16);
2299 }
2300
2301 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2302 {
2303 expr_t *dim;
2304 struct expr_loc expr_loc;
2305 expr_loc.v = arg;
2306 expr_loc.attr = attr_name;
2307 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2308 {
2309 if (dim->type != EXPR_VOID)
2310 {
2311 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2312 if (!is_allowed_conf_type(expr_type))
2313 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2314 attr_name);
2315 }
2316 }
2317 }
2318
2319 static void check_remoting_fields(const var_t *var, type_t *type);
2320
2321 /* checks that properties common to fields and arguments are consistent */
2322 static void check_field_common(const type_t *container_type,
2323 const char *container_name, const var_t *arg)
2324 {
2325 type_t *type = arg->type;
2326 int more_to_do;
2327 const char *container_type_name;
2328 const char *var_type;
2329
2330 switch (type_get_type(container_type))
2331 {
2332 case TYPE_STRUCT:
2333 container_type_name = "struct";
2334 var_type = "field";
2335 break;
2336 case TYPE_UNION:
2337 container_type_name = "union";
2338 var_type = "arm";
2339 break;
2340 case TYPE_ENCAPSULATED_UNION:
2341 container_type_name = "encapsulated union";
2342 var_type = "arm";
2343 break;
2344 case TYPE_FUNCTION:
2345 container_type_name = "function";
2346 var_type = "parameter";
2347 break;
2348 default:
2349 /* should be no other container types */
2350 assert(0);
2351 }
2352
2353 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2354 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2355 error_loc_info(&arg->loc_info,
2356 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2357 arg->name);
2358
2359 if (is_attr(arg->attrs, ATTR_SIZEIS))
2360 {
2361 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2362 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2363 }
2364 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2365 {
2366 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2367 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2368 }
2369 if (is_attr(arg->attrs, ATTR_IIDIS))
2370 {
2371 struct expr_loc expr_loc;
2372 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2373 if (expr->type != EXPR_VOID)
2374 {
2375 const type_t *expr_type;
2376 expr_loc.v = arg;
2377 expr_loc.attr = "iid_is";
2378 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2379 if (!expr_type || !is_ptr_guid_type(expr_type))
2380 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2381 }
2382 }
2383 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2384 {
2385 struct expr_loc expr_loc;
2386 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2387 if (expr->type != EXPR_VOID)
2388 {
2389 const type_t *expr_type;
2390 expr_loc.v = arg;
2391 expr_loc.attr = "switch_is";
2392 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2393 if (!expr_type || !is_allowed_conf_type(expr_type))
2394 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2395 expr_loc.attr);
2396 }
2397 }
2398
2399 do
2400 {
2401 more_to_do = FALSE;
2402
2403 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2404 {
2405 case TGT_STRUCT:
2406 case TGT_UNION:
2407 check_remoting_fields(arg, type);
2408 break;
2409 case TGT_INVALID:
2410 {
2411 const char *reason = "is invalid";
2412 switch (type_get_type(type))
2413 {
2414 case TYPE_VOID:
2415 reason = "cannot derive from void *";
2416 break;
2417 case TYPE_FUNCTION:
2418 reason = "cannot be a function pointer";
2419 break;
2420 case TYPE_BITFIELD:
2421 reason = "cannot be a bit-field";
2422 break;
2423 case TYPE_COCLASS:
2424 reason = "cannot be a class";
2425 break;
2426 case TYPE_INTERFACE:
2427 reason = "cannot be a non-pointer to an interface";
2428 break;
2429 case TYPE_MODULE:
2430 reason = "cannot be a module";
2431 break;
2432 default:
2433 break;
2434 }
2435 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2436 var_type, arg->name, container_type_name, container_name, reason);
2437 break;
2438 }
2439 case TGT_CTXT_HANDLE:
2440 case TGT_CTXT_HANDLE_POINTER:
2441 /* FIXME */
2442 break;
2443 case TGT_STRING:
2444 {
2445 const type_t *t = type;
2446 while (is_ptr(t))
2447 t = type_pointer_get_ref(t);
2448 if (is_aliaschain_attr(t, ATTR_RANGE))
2449 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2450 break;
2451 }
2452 case TGT_POINTER:
2453 type = type_pointer_get_ref(type);
2454 more_to_do = TRUE;
2455 break;
2456 case TGT_ARRAY:
2457 type = type_array_get_element(type);
2458 more_to_do = TRUE;
2459 break;
2460 case TGT_USER_TYPE:
2461 case TGT_IFACE_POINTER:
2462 case TGT_BASIC:
2463 case TGT_ENUM:
2464 case TGT_RANGE:
2465 /* nothing to do */
2466 break;
2467 }
2468 } while (more_to_do);
2469 }
2470
2471 static void check_remoting_fields(const var_t *var, type_t *type)
2472 {
2473 const var_t *field;
2474 const var_list_t *fields = NULL;
2475
2476 type = type_get_real_type(type);
2477
2478 if (type->checked)
2479 return;
2480
2481 type->checked = TRUE;
2482
2483 if (type_get_type(type) == TYPE_STRUCT)
2484 {
2485 if (type_is_complete(type))
2486 fields = type_struct_get_fields(type);
2487 else
2488 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2489 }
2490 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2491 fields = type_union_get_cases(type);
2492
2493 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2494 if (field->type) check_field_common(type, type->name, field);
2495 }
2496
2497 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2498 static void check_remoting_args(const var_t *func)
2499 {
2500 const char *funcname = func->name;
2501 const var_t *arg;
2502
2503 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2504 {
2505 const type_t *type = arg->type;
2506
2507 /* check that [out] parameters have enough pointer levels */
2508 if (is_attr(arg->attrs, ATTR_OUT))
2509 {
2510 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2511 {
2512 case TGT_BASIC:
2513 case TGT_ENUM:
2514 case TGT_RANGE:
2515 case TGT_STRUCT:
2516 case TGT_UNION:
2517 case TGT_CTXT_HANDLE:
2518 case TGT_USER_TYPE:
2519 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2520 break;
2521 case TGT_IFACE_POINTER:
2522 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2523 break;
2524 case TGT_STRING:
2525 if (!is_array(type))
2526 {
2527 /* FIXME */
2528 }
2529 break;
2530 case TGT_INVALID:
2531 /* already error'd before we get here */
2532 case TGT_CTXT_HANDLE_POINTER:
2533 case TGT_POINTER:
2534 case TGT_ARRAY:
2535 /* OK */
2536 break;
2537 }
2538 }
2539
2540 check_field_common(func->type, funcname, arg);
2541 }
2542
2543 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2544 {
2545 var_t var;
2546 var = *func;
2547 var.type = type_function_get_rettype(func->type);
2548 var.name = xstrdup("return value");
2549 check_field_common(func->type, funcname, &var);
2550 free(var.name);
2551 }
2552 }
2553
2554 static void add_explicit_handle_if_necessary(var_t *func)
2555 {
2556 const var_t* explicit_handle_var;
2557 const var_t* explicit_generic_handle_var = NULL;
2558 const var_t* context_handle_var = NULL;
2559
2560 /* check for a defined binding handle */
2561 explicit_handle_var = get_explicit_handle_var(func);
2562 if (!explicit_handle_var)
2563 {
2564 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2565 if (!explicit_generic_handle_var)
2566 {
2567 context_handle_var = get_context_handle_var(func);
2568 if (!context_handle_var)
2569 {
2570 /* no explicit handle specified so add
2571 * "[in] handle_t IDL_handle" as the first parameter to the
2572 * function */
2573 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2574 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2575 idl_handle->type = find_type_or_error("handle_t", 0);
2576 type_function_add_head_arg(func->type, idl_handle);
2577 }
2578 }
2579 }
2580 }
2581
2582 static void check_functions(const type_t *iface, int is_inside_library)
2583 {
2584 const statement_t *stmt;
2585 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2586 {
2587 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2588 {
2589 var_t *func = stmt->u.var;
2590 add_explicit_handle_if_necessary(func);
2591 }
2592 }
2593 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2594 {
2595 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2596 {
2597 const var_t *func = stmt->u.var;
2598 if (!is_attr(func->attrs, ATTR_LOCAL))
2599 check_remoting_args(func);
2600 }
2601 }
2602 }
2603
2604 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2605 {
2606 const statement_t *stmt;
2607
2608 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2609 {
2610 if (stmt->type == STMT_LIBRARY)
2611 check_statements(stmt->u.lib->stmts, TRUE);
2612 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2613 check_functions(stmt->u.type, is_inside_library);
2614 }
2615 }
2616
2617 static void check_all_user_types(const statement_list_t *stmts)
2618 {
2619 const statement_t *stmt;
2620
2621 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2622 {
2623 if (stmt->type == STMT_LIBRARY)
2624 check_all_user_types(stmt->u.lib->stmts);
2625 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2626 !is_local(stmt->u.type->attrs))
2627 {
2628 const statement_t *stmt_func;
2629 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2630 const var_t *func = stmt_func->u.var;
2631 check_for_additional_prototype_types(func->type->details.function->args);
2632 }
2633 }
2634 }
2635 }
2636
2637 int is_valid_uuid(const char *s)
2638 {
2639 int i;
2640
2641 for (i = 0; i < 36; ++i)
2642 if (i == 8 || i == 13 || i == 18 || i == 23)
2643 {
2644 if (s[i] != '-')
2645 return FALSE;
2646 }
2647 else
2648 if (!isxdigit(s[i]))
2649 return FALSE;
2650
2651 return s[i] == '\0';
2652 }
2653
2654 static statement_t *make_statement(enum statement_type type)
2655 {
2656 statement_t *stmt = xmalloc(sizeof(*stmt));
2657 stmt->type = type;
2658 return stmt;
2659 }
2660
2661 static statement_t *make_statement_type_decl(type_t *type)
2662 {
2663 statement_t *stmt = make_statement(STMT_TYPE);
2664 stmt->u.type = type;
2665 return stmt;
2666 }
2667
2668 static statement_t *make_statement_reference(type_t *type)
2669 {
2670 statement_t *stmt = make_statement(STMT_TYPEREF);
2671 stmt->u.type = type;
2672 return stmt;
2673 }
2674
2675 static statement_t *make_statement_declaration(var_t *var)
2676 {
2677 statement_t *stmt = make_statement(STMT_DECLARATION);
2678 stmt->u.var = var;
2679 if (var->stgclass == STG_EXTERN && var->eval)
2680 warning("'%s' initialised and declared extern\n", var->name);
2681 if (is_const_decl(var))
2682 {
2683 if (var->eval)
2684 reg_const(var);
2685 }
2686 else if (type_get_type(var->type) == TYPE_FUNCTION)
2687 check_function_attrs(var->name, var->attrs);
2688 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2689 error_loc("instantiation of data is illegal\n");
2690 return stmt;
2691 }
2692
2693 static statement_t *make_statement_library(typelib_t *typelib)
2694 {
2695 statement_t *stmt = make_statement(STMT_LIBRARY);
2696 stmt->u.lib = typelib;
2697 return stmt;
2698 }
2699
2700 static statement_t *make_statement_cppquote(const char *str)
2701 {
2702 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2703 stmt->u.str = str;
2704 return stmt;
2705 }
2706
2707 static statement_t *make_statement_importlib(const char *str)
2708 {
2709 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2710 stmt->u.str = str;
2711 return stmt;
2712 }
2713
2714 static statement_t *make_statement_import(const char *str)
2715 {
2716 statement_t *stmt = make_statement(STMT_IMPORT);
2717 stmt->u.str = str;
2718 return stmt;
2719 }
2720
2721 static statement_t *make_statement_module(type_t *type)
2722 {
2723 statement_t *stmt = make_statement(STMT_MODULE);
2724 stmt->u.type = type;
2725 return stmt;
2726 }
2727
2728 static statement_t *make_statement_typedef(declarator_list_t *decls)
2729 {
2730 declarator_t *decl, *next;
2731 statement_t *stmt;
2732 type_list_t **type_list;
2733
2734 if (!decls) return NULL;
2735
2736 stmt = make_statement(STMT_TYPEDEF);
2737 stmt->u.type_list = NULL;
2738 type_list = &stmt->u.type_list;
2739
2740 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2741 {
2742 var_t *var = decl->var;
2743 type_t *type = find_type_or_error(var->name, 0);
2744 *type_list = xmalloc(sizeof(type_list_t));
2745 (*type_list)->type = type;
2746 (*type_list)->next = NULL;
2747
2748 type_list = &(*type_list)->next;
2749 free(decl);
2750 free(var);
2751 }
2752
2753 return stmt;
2754 }
2755
2756 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2757 {
2758 if (!stmt) return list;
2759 if (!list)
2760 {
2761 list = xmalloc( sizeof(*list) );
2762 list_init( list );
2763 }
2764 list_add_tail( list, &stmt->entry );
2765 return list;
2766 }
2767
2768 void init_loc_info(loc_info_t *i)
2769 {
2770 i->input_name = input_name ? input_name : "stdin";
2771 i->line_number = line_number;
2772 i->near_text = parser_text;
2773 }
2774
2775 static void check_def(const type_t *t)
2776 {
2777 if (t->defined)
2778 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2779 t->name, t->loc_info.input_name, t->loc_info.line_number);
2780 }
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