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widl: Fix parsing of function calling conventions.
[wine/hramrach.git] / tools / widl / parser.y
blob1900d773e1d3981aba31f8e6ec1a78acb3bd03b9
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 int 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 type_t *make_safearray(type_t *type);
112 static typelib_t *make_library(const char *name, const attr_list_t *attrs);
113 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type);
114
115 static type_t *reg_typedefs(decl_spec_t *decl_spec, var_list_t *names, attr_list_t *attrs);
116 static type_t *find_type_or_error(const char *name, int t);
117 static type_t *find_type_or_error2(char *name, int t);
118
119 static var_t *reg_const(var_t *var);
120
121 static char *gen_name(void);
122 static void check_arg_attrs(const var_t *arg);
123 static void check_statements(const statement_list_t *stmts, int is_inside_library);
124 static void check_all_user_types(const statement_list_t *stmts);
125 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs);
126 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs);
127 static attr_list_t *check_typedef_attrs(attr_list_t *attrs);
128 static attr_list_t *check_enum_attrs(attr_list_t *attrs);
129 static attr_list_t *check_struct_attrs(attr_list_t *attrs);
130 static attr_list_t *check_union_attrs(attr_list_t *attrs);
131 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs);
132 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs);
133 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs);
134 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs);
135 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs);
136 const char *get_attr_display_name(enum attr_type type);
137 static void add_explicit_handle_if_necessary(var_t *func);
138 static void check_def(const type_t *t);
139
140 static statement_t *make_statement(enum statement_type type);
141 static statement_t *make_statement_type_decl(type_t *type);
142 static statement_t *make_statement_reference(type_t *type);
143 static statement_t *make_statement_declaration(var_t *var);
144 static statement_t *make_statement_library(typelib_t *typelib);
145 static statement_t *make_statement_cppquote(const char *str);
146 static statement_t *make_statement_importlib(const char *str);
147 static statement_t *make_statement_module(type_t *type);
148 static statement_t *make_statement_typedef(var_list_t *names);
149 static statement_t *make_statement_import(const char *str);
150 static statement_t *make_statement_typedef(var_list_t *names);
151 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt);
152
153 %}
154 %union {
155 attr_t *attr;
156 attr_list_t *attr_list;
157 str_list_t *str_list;
158 expr_t *expr;
159 expr_list_t *expr_list;
160 array_dims_t *array_dims;
161 type_t *type;
162 var_t *var;
163 var_list_t *var_list;
164 declarator_t *declarator;
165 declarator_list_t *declarator_list;
166 statement_t *statement;
167 statement_list_t *stmt_list;
168 ifref_t *ifref;
169 ifref_list_t *ifref_list;
170 char *str;
171 UUID *uuid;
172 unsigned int num;
173 double dbl;
174 interface_info_t ifinfo;
175 typelib_t *typelib;
176 struct _import_t *import;
177 struct _decl_spec_t *declspec;
178 enum storage_class stgclass;
179 }
180
181 %token <str> aIDENTIFIER
182 %token <str> aKNOWNTYPE
183 %token <num> aNUM aHEXNUM
184 %token <dbl> aDOUBLE
185 %token <str> aSTRING aWSTRING aSQSTRING
186 %token <uuid> aUUID
187 %token aEOF
188 %token SHL SHR
189 %token MEMBERPTR
190 %token EQUALITY INEQUALITY
191 %token GREATEREQUAL LESSEQUAL
192 %token LOGICALOR LOGICALAND
193 %token ELLIPSIS
194 %token tAGGREGATABLE tALLOCATE tANNOTATION tAPPOBJECT tASYNC tASYNCUUID
195 %token tAUTOHANDLE tBINDABLE tBOOLEAN tBROADCAST tBYTE tBYTECOUNT
196 %token tCALLAS tCALLBACK tCASE tCDECL tCHAR tCOCLASS tCODE tCOMMSTATUS
197 %token tCONST tCONTEXTHANDLE tCONTEXTHANDLENOSERIALIZE
198 %token tCONTEXTHANDLESERIALIZE tCONTROL tCPPQUOTE
199 %token tDEFAULT
200 %token tDEFAULTCOLLELEM
201 %token tDEFAULTVALUE
202 %token tDEFAULTVTABLE
203 %token tDISPLAYBIND
204 %token tDISPINTERFACE
205 %token tDLLNAME tDOUBLE tDUAL
206 %token tENDPOINT
207 %token tENTRY tENUM tERRORSTATUST
208 %token tEXPLICITHANDLE tEXTERN
209 %token tFALSE
210 %token tFASTCALL
211 %token tFLOAT
212 %token tHANDLE
213 %token tHANDLET
214 %token tHELPCONTEXT tHELPFILE
215 %token tHELPSTRING tHELPSTRINGCONTEXT tHELPSTRINGDLL
216 %token tHIDDEN
217 %token tHYPER tID tIDEMPOTENT
218 %token tIIDIS
219 %token tIMMEDIATEBIND
220 %token tIMPLICITHANDLE
221 %token tIMPORT tIMPORTLIB
222 %token tIN tIN_LINE tINLINE
223 %token tINPUTSYNC
224 %token tINT tINT3264 tINT64
225 %token tINTERFACE
226 %token tLCID
227 %token tLENGTHIS tLIBRARY
228 %token tLOCAL
229 %token tLONG
230 %token tMETHODS
231 %token tMODULE
232 %token tNONBROWSABLE
233 %token tNONCREATABLE
234 %token tNONEXTENSIBLE
235 %token tNULL
236 %token tOBJECT tODL tOLEAUTOMATION
237 %token tOPTIONAL
238 %token tOUT
239 %token tPASCAL
240 %token tPOINTERDEFAULT
241 %token tPROPERTIES
242 %token tPROPGET tPROPPUT tPROPPUTREF
243 %token tPTR
244 %token tPUBLIC
245 %token tRANGE
246 %token tREADONLY tREF
247 %token tREGISTER
248 %token tREQUESTEDIT
249 %token tRESTRICTED
250 %token tRETVAL
251 %token tSAFEARRAY
252 %token tSHORT
253 %token tSIGNED
254 %token tSIZEIS tSIZEOF
255 %token tSMALL
256 %token tSOURCE
257 %token tSTATIC
258 %token tSTDCALL
259 %token tSTRICTCONTEXTHANDLE
260 %token tSTRING tSTRUCT
261 %token tSWITCH tSWITCHIS tSWITCHTYPE
262 %token tTRANSMITAS
263 %token tTRUE
264 %token tTYPEDEF
265 %token tUNION
266 %token tUNIQUE
267 %token tUNSIGNED
268 %token tUUID
269 %token tV1ENUM
270 %token tVARARG
271 %token tVERSION
272 %token tVOID
273 %token tWCHAR tWIREMARSHAL
274
275 %type <attr> attribute type_qualifier function_specifier
276 %type <attr_list> m_attributes attributes attrib_list m_type_qual_list
277 %type <str_list> str_list
278 %type <expr> m_expr expr expr_const expr_int_const array m_bitfield
279 %type <expr_list> m_exprs /* exprs expr_list */ expr_list_int_const
280 %type <ifinfo> interfacehdr
281 %type <stgclass> storage_cls_spec
282 %type <declspec> decl_spec decl_spec_no_type m_decl_spec_no_type
283 %type <type> inherit interface interfacedef interfacedec
284 %type <type> dispinterface dispinterfacehdr dispinterfacedef
285 %type <type> module modulehdr moduledef
286 %type <type> base_type int_std
287 %type <type> enumdef structdef uniondef typedecl
288 %type <type> type
289 %type <ifref> coclass_int
290 %type <ifref_list> coclass_ints
291 %type <var> arg ne_union_field union_field s_field case enum declaration
292 %type <var> funcdef
293 %type <var_list> m_args arg_list args dispint_meths
294 %type <var_list> fields ne_union_fields cases enums enum_list dispint_props field
295 %type <var> m_ident ident
296 %type <declarator> declarator direct_declarator init_declarator struct_declarator
297 %type <declarator> m_any_declarator any_declarator any_declarator_no_direct any_direct_declarator
298 %type <declarator> m_abstract_declarator abstract_declarator abstract_declarator_no_direct abstract_direct_declarator
299 %type <declarator_list> declarator_list struct_declarator_list
300 %type <type> coclass coclasshdr coclassdef
301 %type <num> pointer_type version
302 %type <str> libraryhdr callconv cppquote importlib import t_ident
303 %type <uuid> uuid_string
304 %type <import> import_start
305 %type <typelib> library_start librarydef
306 %type <statement> statement typedef
307 %type <stmt_list> gbl_statements imp_statements int_statements
308
309 %left ','
310 %right '?' ':'
311 %left LOGICALOR
312 %left LOGICALAND
313 %left '|'
314 %left '^'
315 %left '&'
316 %left EQUALITY INEQUALITY
317 %left '<' '>' LESSEQUAL GREATEREQUAL
318 %left SHL SHR
319 %left '-' '+'
320 %left '*' '/' '%'
321 %right '!' '~' CAST PPTR POS NEG ADDRESSOF tSIZEOF
322 %left '.' MEMBERPTR '[' ']'
323
324 %%
325
326 input: gbl_statements { fix_incomplete();
327 check_statements($1, FALSE);
328 check_all_user_types($1);
329 write_header($1);
330 write_id_data($1);
331 write_proxies($1);
332 write_client($1);
333 write_server($1);
334 write_dlldata($1);
335 write_local_stubs($1);
336 }
337 ;
338
339 gbl_statements: { $$ = NULL; }
340 | gbl_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
341 | gbl_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
342 | gbl_statements coclass ';' { $$ = $1;
343 reg_type($2, $2->name, 0);
344 }
345 | gbl_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
346 reg_type($2, $2->name, 0);
347 }
348 | gbl_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
349 | gbl_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
350 | gbl_statements statement { $$ = append_statement($1, $2); }
351 ;
352
353 imp_statements: { $$ = NULL; }
354 | imp_statements interfacedec { $$ = append_statement($1, make_statement_reference($2)); }
355 | imp_statements interfacedef { $$ = append_statement($1, make_statement_type_decl($2)); }
356 | imp_statements coclass ';' { $$ = $1; reg_type($2, $2->name, 0); }
357 | imp_statements coclassdef { $$ = append_statement($1, make_statement_type_decl($2));
358 reg_type($2, $2->name, 0);
359 }
360 | imp_statements moduledef { $$ = append_statement($1, make_statement_module($2)); }
361 | imp_statements statement { $$ = append_statement($1, $2); }
362 | imp_statements importlib { $$ = append_statement($1, make_statement_importlib($2)); }
363 | imp_statements librarydef { $$ = append_statement($1, make_statement_library($2)); }
364 ;
365
366 int_statements: { $$ = NULL; }
367 | int_statements statement { $$ = append_statement($1, $2); }
368 ;
369
370 semicolon_opt:
371 | ';'
372 ;
373
374 statement:
375 cppquote { $$ = make_statement_cppquote($1); }
376 | typedecl ';' { $$ = make_statement_type_decl($1); }
377 | declaration ';' { $$ = make_statement_declaration($1); }
378 | import { $$ = make_statement_import($1); }
379 | typedef ';' { $$ = $1; }
380 ;
381
382 typedecl:
383 enumdef
384 | structdef
385 | uniondef
386 | attributes enumdef { $$ = $2; $$->attrs = check_enum_attrs($1); }
387 | attributes structdef { $$ = $2; $$->attrs = check_struct_attrs($1); }
388 | attributes uniondef { $$ = $2; $$->attrs = check_union_attrs($1); }
389 ;
390
391 cppquote: tCPPQUOTE '(' aSTRING ')' { $$ = $3; }
392 ;
393 import_start: tIMPORT aSTRING ';' { assert(yychar == YYEMPTY);
394 $$ = xmalloc(sizeof(struct _import_t));
395 $$->name = $2;
396 $$->import_performed = do_import($2);
397 if (!$$->import_performed) yychar = aEOF;
398 }
399 ;
400
401 import: import_start imp_statements aEOF { $$ = $1->name;
402 if ($1->import_performed) pop_import();
403 free($1);
404 }
405 ;
406
407 importlib: tIMPORTLIB '(' aSTRING ')'
408 semicolon_opt { $$ = $3; if(!parse_only) add_importlib($3); }
409 ;
410
411 libraryhdr: tLIBRARY aIDENTIFIER { $$ = $2; }
412 ;
413 library_start: attributes libraryhdr '{' { $$ = make_library($2, check_library_attrs($2, $1));
414 if (!parse_only) start_typelib($$);
415 }
416 ;
417 librarydef: library_start imp_statements '}'
418 semicolon_opt { $$ = $1;
419 $$->stmts = $2;
420 if (!parse_only) end_typelib();
421 }
422 ;
423
424 m_args: { $$ = NULL; }
425 | args
426 ;
427
428 arg_list: arg { check_arg_attrs($1); $$ = append_var( NULL, $1 ); }
429 | arg_list ',' arg { check_arg_attrs($3); $$ = append_var( $1, $3 ); }
430 ;
431
432 args: arg_list
433 | arg_list ',' ELLIPSIS { $$ = append_var( $1, make_var(strdup("...")) ); }
434 ;
435
436 /* split into two rules to get bison to resolve a tVOID conflict */
437 arg: attributes decl_spec m_any_declarator { if ($2->stgclass != STG_NONE && $2->stgclass != STG_REGISTER)
438 error_loc("invalid storage class for function parameter\n");
439 $$ = declare_var($1, $2, $3, TRUE);
440 free($2); free($3);
441 }
442 | decl_spec m_any_declarator { if ($1->stgclass != STG_NONE && $1->stgclass != STG_REGISTER)
443 error_loc("invalid storage class for function parameter\n");
444 $$ = declare_var(NULL, $1, $2, TRUE);
445 free($1); free($2);
446 }
447 ;
448
449 array: '[' m_expr ']' { $$ = $2; }
450 | '[' '*' ']' { $$ = make_expr(EXPR_VOID); }
451 ;
452
453 m_attributes: { $$ = NULL; }
454 | attributes
455 ;
456
457 attributes:
458 '[' attrib_list ']' { $$ = $2; }
459 ;
460
461 attrib_list: attribute { $$ = append_attr( NULL, $1 ); }
462 | attrib_list ',' attribute { $$ = append_attr( $1, $3 ); }
463 | attrib_list ']' '[' attribute { $$ = append_attr( $1, $4 ); }
464 ;
465
466 str_list: aSTRING { $$ = append_str( NULL, $1 ); }
467 | str_list ',' aSTRING { $$ = append_str( $1, $3 ); }
468 ;
469
470 attribute: { $$ = NULL; }
471 | tAGGREGATABLE { $$ = make_attr(ATTR_AGGREGATABLE); }
472 | tANNOTATION '(' aSTRING ')' { $$ = make_attrp(ATTR_ANNOTATION, $3); }
473 | tAPPOBJECT { $$ = make_attr(ATTR_APPOBJECT); }
474 | tASYNC { $$ = make_attr(ATTR_ASYNC); }
475 | tAUTOHANDLE { $$ = make_attr(ATTR_AUTO_HANDLE); }
476 | tBINDABLE { $$ = make_attr(ATTR_BINDABLE); }
477 | tBROADCAST { $$ = make_attr(ATTR_BROADCAST); }
478 | tCALLAS '(' ident ')' { $$ = make_attrp(ATTR_CALLAS, $3); }
479 | tCASE '(' expr_list_int_const ')' { $$ = make_attrp(ATTR_CASE, $3); }
480 | tCONTEXTHANDLE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); }
481 | tCONTEXTHANDLENOSERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_DONT_SERIALIZE */ }
482 | tCONTEXTHANDLESERIALIZE { $$ = make_attrv(ATTR_CONTEXTHANDLE, 0); /* RPC_CONTEXT_HANDLE_SERIALIZE */ }
483 | tCONTROL { $$ = make_attr(ATTR_CONTROL); }
484 | tDEFAULT { $$ = make_attr(ATTR_DEFAULT); }
485 | tDEFAULTCOLLELEM { $$ = make_attr(ATTR_DEFAULTCOLLELEM); }
486 | tDEFAULTVALUE '(' expr_const ')' { $$ = make_attrp(ATTR_DEFAULTVALUE, $3); }
487 | tDEFAULTVTABLE { $$ = make_attr(ATTR_DEFAULTVTABLE); }
488 | tDISPLAYBIND { $$ = make_attr(ATTR_DISPLAYBIND); }
489 | tDLLNAME '(' aSTRING ')' { $$ = make_attrp(ATTR_DLLNAME, $3); }
490 | tDUAL { $$ = make_attr(ATTR_DUAL); }
491 | tENDPOINT '(' str_list ')' { $$ = make_attrp(ATTR_ENDPOINT, $3); }
492 | tENTRY '(' expr_const ')' { $$ = make_attrp(ATTR_ENTRY, $3); }
493 | tEXPLICITHANDLE { $$ = make_attr(ATTR_EXPLICIT_HANDLE); }
494 | tHANDLE { $$ = make_attr(ATTR_HANDLE); }
495 | tHELPCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPCONTEXT, $3); }
496 | tHELPFILE '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPFILE, $3); }
497 | tHELPSTRING '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRING, $3); }
498 | tHELPSTRINGCONTEXT '(' expr_int_const ')' { $$ = make_attrp(ATTR_HELPSTRINGCONTEXT, $3); }
499 | tHELPSTRINGDLL '(' aSTRING ')' { $$ = make_attrp(ATTR_HELPSTRINGDLL, $3); }
500 | tHIDDEN { $$ = make_attr(ATTR_HIDDEN); }
501 | tID '(' expr_int_const ')' { $$ = make_attrp(ATTR_ID, $3); }
502 | tIDEMPOTENT { $$ = make_attr(ATTR_IDEMPOTENT); }
503 | tIIDIS '(' expr ')' { $$ = make_attrp(ATTR_IIDIS, $3); }
504 | tIMMEDIATEBIND { $$ = make_attr(ATTR_IMMEDIATEBIND); }
505 | tIMPLICITHANDLE '(' tHANDLET aIDENTIFIER ')' { $$ = make_attrp(ATTR_IMPLICIT_HANDLE, $4); }
506 | tIN { $$ = make_attr(ATTR_IN); }
507 | tINPUTSYNC { $$ = make_attr(ATTR_INPUTSYNC); }
508 | tLENGTHIS '(' m_exprs ')' { $$ = make_attrp(ATTR_LENGTHIS, $3); }
509 | tLCID '(' expr_int_const ')' { $$ = make_attrp(ATTR_LIBLCID, $3); }
510 | tLCID { $$ = make_attr(ATTR_PARAMLCID); }
511 | tLOCAL { $$ = make_attr(ATTR_LOCAL); }
512 | tNONBROWSABLE { $$ = make_attr(ATTR_NONBROWSABLE); }
513 | tNONCREATABLE { $$ = make_attr(ATTR_NONCREATABLE); }
514 | tNONEXTENSIBLE { $$ = make_attr(ATTR_NONEXTENSIBLE); }
515 | tOBJECT { $$ = make_attr(ATTR_OBJECT); }
516 | tODL { $$ = make_attr(ATTR_ODL); }
517 | tOLEAUTOMATION { $$ = make_attr(ATTR_OLEAUTOMATION); }
518 | tOPTIONAL { $$ = make_attr(ATTR_OPTIONAL); }
519 | tOUT { $$ = make_attr(ATTR_OUT); }
520 | tPOINTERDEFAULT '(' pointer_type ')' { $$ = make_attrv(ATTR_POINTERDEFAULT, $3); }
521 | tPROPGET { $$ = make_attr(ATTR_PROPGET); }
522 | tPROPPUT { $$ = make_attr(ATTR_PROPPUT); }
523 | tPROPPUTREF { $$ = make_attr(ATTR_PROPPUTREF); }
524 | tPUBLIC { $$ = make_attr(ATTR_PUBLIC); }
525 | tRANGE '(' expr_int_const ',' expr_int_const ')'
526 { expr_list_t *list = append_expr( NULL, $3 );
527 list = append_expr( list, $5 );
528 $$ = make_attrp(ATTR_RANGE, list); }
529 | tREADONLY { $$ = make_attr(ATTR_READONLY); }
530 | tREQUESTEDIT { $$ = make_attr(ATTR_REQUESTEDIT); }
531 | tRESTRICTED { $$ = make_attr(ATTR_RESTRICTED); }
532 | tRETVAL { $$ = make_attr(ATTR_RETVAL); }
533 | tSIZEIS '(' m_exprs ')' { $$ = make_attrp(ATTR_SIZEIS, $3); }
534 | tSOURCE { $$ = make_attr(ATTR_SOURCE); }
535 | tSTRICTCONTEXTHANDLE { $$ = make_attr(ATTR_STRICTCONTEXTHANDLE); }
536 | tSTRING { $$ = make_attr(ATTR_STRING); }
537 | tSWITCHIS '(' expr ')' { $$ = make_attrp(ATTR_SWITCHIS, $3); }
538 | tSWITCHTYPE '(' type ')' { $$ = make_attrp(ATTR_SWITCHTYPE, $3); }
539 | tTRANSMITAS '(' type ')' { $$ = make_attrp(ATTR_TRANSMITAS, $3); }
540 | tUUID '(' uuid_string ')' { $$ = make_attrp(ATTR_UUID, $3); }
541 | tV1ENUM { $$ = make_attr(ATTR_V1ENUM); }
542 | tVARARG { $$ = make_attr(ATTR_VARARG); }
543 | tVERSION '(' version ')' { $$ = make_attrv(ATTR_VERSION, $3); }
544 | tWIREMARSHAL '(' type ')' { $$ = make_attrp(ATTR_WIREMARSHAL, $3); }
545 | pointer_type { $$ = make_attrv(ATTR_POINTERTYPE, $1); }
546 ;
547
548 uuid_string:
549 aUUID
550 | aSTRING { if (!is_valid_uuid($1))
551 error_loc("invalid UUID: %s\n", $1);
552 $$ = parse_uuid($1); }
553 ;
554
555 callconv: tCDECL { $$ = $<str>1; }
556 | tFASTCALL { $$ = $<str>1; }
557 | tPASCAL { $$ = $<str>1; }
558 | tSTDCALL { $$ = $<str>1; }
559 ;
560
561 cases: { $$ = NULL; }
562 | cases case { $$ = append_var( $1, $2 ); }
563 ;
564
565 case: tCASE expr_int_const ':' union_field { attr_t *a = make_attrp(ATTR_CASE, append_expr( NULL, $2 ));
566 $$ = $4; if (!$$) $$ = make_var(NULL);
567 $$->attrs = append_attr( $$->attrs, a );
568 }
569 | tDEFAULT ':' union_field { attr_t *a = make_attr(ATTR_DEFAULT);
570 $$ = $3; if (!$$) $$ = make_var(NULL);
571 $$->attrs = append_attr( $$->attrs, a );
572 }
573 ;
574
575 enums: { $$ = NULL; }
576 | enum_list ',' { $$ = $1; }
577 | enum_list
578 ;
579
580 enum_list: enum { if (!$1->eval)
581 $1->eval = make_exprl(EXPR_NUM, 0 /* default for first enum entry */);
582 $$ = append_var( NULL, $1 );
583 }
584 | enum_list ',' enum { if (!$3->eval)
585 {
586 var_t *last = LIST_ENTRY( list_tail($$), var_t, entry );
587 $3->eval = make_exprl(EXPR_NUM, last->eval->cval + 1);
588 }
589 $$ = append_var( $1, $3 );
590 }
591 ;
592
593 enum: ident '=' expr_int_const { $$ = reg_const($1);
594 $$->eval = $3;
595 $$->type = type_new_int(TYPE_BASIC_INT, 0);
596 }
597 | ident { $$ = reg_const($1);
598 $$->type = type_new_int(TYPE_BASIC_INT, 0);
599 }
600 ;
601
602 enumdef: tENUM t_ident '{' enums '}' { $$ = type_new_enum($2, TRUE, $4); }
603 ;
604
605 m_exprs: m_expr { $$ = append_expr( NULL, $1 ); }
606 | m_exprs ',' m_expr { $$ = append_expr( $1, $3 ); }
607 ;
608
609 /*
610 exprs: { $$ = make_expr(EXPR_VOID); }
611 | expr_list
612 ;
613
614 expr_list: expr
615 | expr_list ',' expr { LINK($3, $1); $$ = $3; }
616 ;
617 */
618
619 m_expr: { $$ = make_expr(EXPR_VOID); }
620 | expr
621 ;
622
623 expr: aNUM { $$ = make_exprl(EXPR_NUM, $1); }
624 | aHEXNUM { $$ = make_exprl(EXPR_HEXNUM, $1); }
625 | aDOUBLE { $$ = make_exprd(EXPR_DOUBLE, $1); }
626 | tFALSE { $$ = make_exprl(EXPR_TRUEFALSE, 0); }
627 | tNULL { $$ = make_exprl(EXPR_NUM, 0); }
628 | tTRUE { $$ = make_exprl(EXPR_TRUEFALSE, 1); }
629 | aSTRING { $$ = make_exprs(EXPR_STRLIT, $1); }
630 | aWSTRING { $$ = make_exprs(EXPR_WSTRLIT, $1); }
631 | aSQSTRING { $$ = make_exprs(EXPR_CHARCONST, $1); }
632 | aIDENTIFIER { $$ = make_exprs(EXPR_IDENTIFIER, $1); }
633 | expr '?' expr ':' expr { $$ = make_expr3(EXPR_COND, $1, $3, $5); }
634 | expr LOGICALOR expr { $$ = make_expr2(EXPR_LOGOR, $1, $3); }
635 | expr LOGICALAND expr { $$ = make_expr2(EXPR_LOGAND, $1, $3); }
636 | expr '|' expr { $$ = make_expr2(EXPR_OR , $1, $3); }
637 | expr '^' expr { $$ = make_expr2(EXPR_XOR, $1, $3); }
638 | expr '&' expr { $$ = make_expr2(EXPR_AND, $1, $3); }
639 | expr EQUALITY expr { $$ = make_expr2(EXPR_EQUALITY, $1, $3); }
640 | expr INEQUALITY expr { $$ = make_expr2(EXPR_INEQUALITY, $1, $3); }
641 | expr '>' expr { $$ = make_expr2(EXPR_GTR, $1, $3); }
642 | expr '<' expr { $$ = make_expr2(EXPR_LESS, $1, $3); }
643 | expr GREATEREQUAL expr { $$ = make_expr2(EXPR_GTREQL, $1, $3); }
644 | expr LESSEQUAL expr { $$ = make_expr2(EXPR_LESSEQL, $1, $3); }
645 | expr SHL expr { $$ = make_expr2(EXPR_SHL, $1, $3); }
646 | expr SHR expr { $$ = make_expr2(EXPR_SHR, $1, $3); }
647 | expr '+' expr { $$ = make_expr2(EXPR_ADD, $1, $3); }
648 | expr '-' expr { $$ = make_expr2(EXPR_SUB, $1, $3); }
649 | expr '%' expr { $$ = make_expr2(EXPR_MOD, $1, $3); }
650 | expr '*' expr { $$ = make_expr2(EXPR_MUL, $1, $3); }
651 | expr '/' expr { $$ = make_expr2(EXPR_DIV, $1, $3); }
652 | '!' expr { $$ = make_expr1(EXPR_LOGNOT, $2); }
653 | '~' expr { $$ = make_expr1(EXPR_NOT, $2); }
654 | '+' expr %prec POS { $$ = make_expr1(EXPR_POS, $2); }
655 | '-' expr %prec NEG { $$ = make_expr1(EXPR_NEG, $2); }
656 | '&' expr %prec ADDRESSOF { $$ = make_expr1(EXPR_ADDRESSOF, $2); }
657 | '*' expr %prec PPTR { $$ = make_expr1(EXPR_PPTR, $2); }
658 | expr MEMBERPTR aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, make_expr1(EXPR_PPTR, $1), make_exprs(EXPR_IDENTIFIER, $3)); }
659 | expr '.' aIDENTIFIER { $$ = make_expr2(EXPR_MEMBER, $1, make_exprs(EXPR_IDENTIFIER, $3)); }
660 | '(' decl_spec m_abstract_declarator ')' expr %prec CAST
661 { $$ = make_exprt(EXPR_CAST, declare_var(NULL, $2, $3, 0), $5); free($2); free($3); }
662 | tSIZEOF '(' decl_spec m_abstract_declarator ')'
663 { $$ = make_exprt(EXPR_SIZEOF, declare_var(NULL, $3, $4, 0), NULL); free($3); free($4); }
664 | expr '[' expr ']' { $$ = make_expr2(EXPR_ARRAY, $1, $3); }
665 | '(' expr ')' { $$ = $2; }
666 ;
667
668 expr_list_int_const: expr_int_const { $$ = append_expr( NULL, $1 ); }
669 | expr_list_int_const ',' expr_int_const { $$ = append_expr( $1, $3 ); }
670 ;
671
672 expr_int_const: expr { $$ = $1;
673 if (!$$->is_const)
674 error_loc("expression is not an integer constant\n");
675 }
676 ;
677
678 expr_const: expr { $$ = $1;
679 if (!$$->is_const && $$->type != EXPR_STRLIT && $$->type != EXPR_WSTRLIT)
680 error_loc("expression is not constant\n");
681 }
682 ;
683
684 fields: { $$ = NULL; }
685 | fields field { $$ = append_var_list($1, $2); }
686 ;
687
688 field: m_attributes decl_spec struct_declarator_list ';'
689 { const char *first = LIST_ENTRY(list_head($3), declarator_t, entry)->var->name;
690 check_field_attrs(first, $1);
691 $$ = set_var_types($1, $2, $3);
692 }
693 | m_attributes uniondef ';' { var_t *v = make_var(NULL);
694 v->type = $2; v->attrs = $1;
695 $$ = append_var(NULL, v);
696 }
697 ;
698
699 ne_union_field:
700 s_field ';' { $$ = $1; }
701 | attributes ';' { $$ = make_var(NULL); $$->attrs = $1; }
702 ;
703
704 ne_union_fields: { $$ = NULL; }
705 | ne_union_fields ne_union_field { $$ = append_var( $1, $2 ); }
706 ;
707
708 union_field:
709 s_field ';' { $$ = $1; }
710 | ';' { $$ = NULL; }
711 ;
712
713 s_field: m_attributes decl_spec declarator { $$ = declare_var(check_field_attrs($3->var->name, $1),
714 $2, $3, FALSE);
715 free($3);
716 }
717 ;
718
719 funcdef: declaration { $$ = $1;
720 if (type_get_type($$->type) != TYPE_FUNCTION)
721 error_loc("only methods may be declared inside the methods section of a dispinterface\n");
722 check_function_attrs($$->name, $$->attrs);
723 }
724 ;
725
726 declaration:
727 attributes decl_spec init_declarator
728 { $$ = declare_var($1, $2, $3, FALSE);
729 free($3);
730 }
731 | decl_spec init_declarator { $$ = declare_var(NULL, $1, $2, FALSE);
732 free($2);
733 }
734 ;
735
736 m_ident: { $$ = NULL; }
737 | ident
738 ;
739
740 t_ident: { $$ = NULL; }
741 | aIDENTIFIER { $$ = $1; }
742 | aKNOWNTYPE { $$ = $1; }
743 ;
744
745 ident: aIDENTIFIER { $$ = make_var($1); }
746 /* some "reserved words" used in attributes are also used as field names in some MS IDL files */
747 | aKNOWNTYPE { $$ = make_var($<str>1); }
748 ;
749
750 base_type: tBYTE { $$ = find_type_or_error($<str>1, 0); }
751 | tWCHAR { $$ = find_type_or_error($<str>1, 0); }
752 | int_std
753 | tSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), -1); }
754 | tUNSIGNED int_std { $$ = type_new_int(type_basic_get_type($2), 1); }
755 | tUNSIGNED { $$ = type_new_int(TYPE_BASIC_INT, 1); }
756 | tFLOAT { $$ = find_type_or_error($<str>1, 0); }
757 | tDOUBLE { $$ = find_type_or_error($<str>1, 0); }
758 | tBOOLEAN { $$ = find_type_or_error($<str>1, 0); }
759 | tERRORSTATUST { $$ = find_type_or_error($<str>1, 0); }
760 | tHANDLET { $$ = find_type_or_error($<str>1, 0); }
761 ;
762
763 m_int:
764 | tINT
765 ;
766
767 int_std: tINT { $$ = type_new_int(TYPE_BASIC_INT, 0); }
768 | tSHORT m_int { $$ = type_new_int(TYPE_BASIC_INT16, 0); }
769 | tSMALL { $$ = type_new_int(TYPE_BASIC_INT8, 0); }
770 | tLONG m_int { $$ = type_new_int(TYPE_BASIC_INT32, 0); }
771 | tHYPER m_int { $$ = type_new_int(TYPE_BASIC_HYPER, 0); }
772 | tINT64 { $$ = type_new_int(TYPE_BASIC_INT64, 0); }
773 | tCHAR { $$ = type_new_int(TYPE_BASIC_CHAR, 0); }
774 | tINT3264 { $$ = type_new_int(TYPE_BASIC_INT3264, 0); }
775 ;
776
777 coclass: tCOCLASS aIDENTIFIER { $$ = type_new_coclass($2); }
778 | tCOCLASS aKNOWNTYPE { $$ = find_type($2, 0);
779 if (type_get_type_detect_alias($$) != TYPE_COCLASS)
780 error_loc("%s was not declared a coclass at %s:%d\n",
781 $2, $$->loc_info.input_name,
782 $$->loc_info.line_number);
783 }
784 ;
785
786 coclasshdr: attributes coclass { $$ = $2;
787 check_def($$);
788 $$->attrs = check_coclass_attrs($2->name, $1);
789 }
790 ;
791
792 coclassdef: coclasshdr '{' coclass_ints '}' semicolon_opt
793 { $$ = type_coclass_define($1, $3); }
794 ;
795
796 coclass_ints: { $$ = NULL; }
797 | coclass_ints coclass_int { $$ = append_ifref( $1, $2 ); }
798 ;
799
800 coclass_int:
801 m_attributes interfacedec { $$ = make_ifref($2); $$->attrs = $1; }
802 ;
803
804 dispinterface: tDISPINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
805 | tDISPINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
806 ;
807
808 dispinterfacehdr: attributes dispinterface { attr_t *attrs;
809 is_object_interface = TRUE;
810 $$ = $2;
811 check_def($$);
812 attrs = make_attr(ATTR_DISPINTERFACE);
813 $$->attrs = append_attr( check_dispiface_attrs($2->name, $1), attrs );
814 $$->defined = TRUE;
815 }
816 ;
817
818 dispint_props: tPROPERTIES ':' { $$ = NULL; }
819 | dispint_props s_field ';' { $$ = append_var( $1, $2 ); }
820 ;
821
822 dispint_meths: tMETHODS ':' { $$ = NULL; }
823 | dispint_meths funcdef ';' { $$ = append_var( $1, $2 ); }
824 ;
825
826 dispinterfacedef: dispinterfacehdr '{'
827 dispint_props
828 dispint_meths
829 '}' { $$ = $1;
830 type_dispinterface_define($$, $3, $4);
831 }
832 | dispinterfacehdr
833 '{' interface ';' '}' { $$ = $1;
834 type_dispinterface_define_from_iface($$, $3);
835 }
836 ;
837
838 inherit: { $$ = NULL; }
839 | ':' aKNOWNTYPE { $$ = find_type_or_error2($2, 0); is_object_interface = 1; }
840 ;
841
842 interface: tINTERFACE aIDENTIFIER { $$ = get_type(TYPE_INTERFACE, $2, 0); }
843 | tINTERFACE aKNOWNTYPE { $$ = get_type(TYPE_INTERFACE, $2, 0); }
844 ;
845
846 interfacehdr: attributes interface { $$.interface = $2;
847 $$.old_pointer_default = pointer_default;
848 if (is_attr($1, ATTR_POINTERDEFAULT))
849 pointer_default = get_attrv($1, ATTR_POINTERDEFAULT);
850 check_def($2);
851 $2->attrs = check_iface_attrs($2->name, $1);
852 is_object_interface = is_object($2);
853 $2->defined = TRUE;
854 }
855 ;
856
857 interfacedef: interfacehdr inherit
858 '{' int_statements '}' semicolon_opt { $$ = $1.interface;
859 type_interface_define($$, $2, $4);
860 pointer_default = $1.old_pointer_default;
861 }
862 /* MIDL is able to import the definition of a base class from inside the
863 * definition of a derived class, I'll try to support it with this rule */
864 | interfacehdr ':' aIDENTIFIER
865 '{' import int_statements '}'
866 semicolon_opt { $$ = $1.interface;
867 type_interface_define($$, find_type_or_error2($3, 0), $6);
868 pointer_default = $1.old_pointer_default;
869 }
870 | dispinterfacedef semicolon_opt { $$ = $1; }
871 ;
872
873 interfacedec:
874 interface ';' { $$ = $1; }
875 | dispinterface ';' { $$ = $1; }
876 ;
877
878 module: tMODULE aIDENTIFIER { $$ = type_new_module($2); }
879 | tMODULE aKNOWNTYPE { $$ = type_new_module($2); }
880 ;
881
882 modulehdr: attributes module { $$ = $2;
883 $$->attrs = check_module_attrs($2->name, $1);
884 }
885 ;
886
887 moduledef: modulehdr '{' int_statements '}'
888 semicolon_opt { $$ = $1;
889 type_module_define($$, $3);
890 }
891 ;
892
893 storage_cls_spec:
894 tEXTERN { $$ = STG_EXTERN; }
895 | tSTATIC { $$ = STG_STATIC; }
896 | tREGISTER { $$ = STG_REGISTER; }
897 ;
898
899 function_specifier:
900 tINLINE { $$ = make_attr(ATTR_INLINE); }
901 ;
902
903 type_qualifier:
904 tCONST { $$ = make_attr(ATTR_CONST); }
905 ;
906
907 m_type_qual_list: { $$ = NULL; }
908 | m_type_qual_list type_qualifier { $$ = append_attr($1, $2); }
909 ;
910
911 decl_spec: type m_decl_spec_no_type { $$ = make_decl_spec($1, $2, NULL, NULL, STG_NONE); }
912 | decl_spec_no_type type m_decl_spec_no_type
913 { $$ = make_decl_spec($2, $1, $3, NULL, STG_NONE); }
914 ;
915
916 m_decl_spec_no_type: { $$ = NULL; }
917 | decl_spec_no_type
918 ;
919
920 decl_spec_no_type:
921 type_qualifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
922 | function_specifier m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, $1, STG_NONE); }
923 | storage_cls_spec m_decl_spec_no_type { $$ = make_decl_spec(NULL, $2, NULL, NULL, $1); }
924 ;
925
926 declarator:
927 '*' m_type_qual_list declarator %prec PPTR
928 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
929 | callconv declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
930 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
931 | direct_declarator
932 ;
933
934 direct_declarator:
935 ident { $$ = make_declarator($1); }
936 | '(' declarator ')' { $$ = $2; }
937 | direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
938 | direct_declarator '(' m_args ')' { $$ = $1;
939 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
940 $$->type = NULL;
941 }
942 ;
943
944 /* abstract declarator */
945 abstract_declarator:
946 '*' m_type_qual_list m_abstract_declarator %prec PPTR
947 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
948 | callconv m_abstract_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
949 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
950 | abstract_direct_declarator
951 ;
952
953 /* abstract declarator without accepting direct declarator */
954 abstract_declarator_no_direct:
955 '*' m_type_qual_list m_any_declarator %prec PPTR
956 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
957 | callconv m_any_declarator { $$ = $2; if ($$->func_type) $$->func_type->attrs = append_attr($$->func_type->attrs, make_attrp(ATTR_CALLCONV, $1));
958 else if ($$->type) $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
959 ;
960
961 /* abstract declarator or empty */
962 m_abstract_declarator: { $$ = make_declarator(NULL); }
963 | abstract_declarator
964 ;
965
966 /* abstract direct declarator */
967 abstract_direct_declarator:
968 '(' abstract_declarator_no_direct ')' { $$ = $2; }
969 | abstract_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
970 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
971 | '(' m_args ')'
972 { $$ = make_declarator(NULL);
973 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
974 $$->type = NULL;
975 }
976 | abstract_direct_declarator '(' m_args ')'
977 { $$ = $1;
978 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
979 $$->type = NULL;
980 }
981 ;
982
983 /* abstract or non-abstract declarator */
984 any_declarator:
985 '*' m_type_qual_list m_any_declarator %prec PPTR
986 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
987 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
988 | any_direct_declarator
989 ;
990
991 /* abstract or non-abstract declarator without accepting direct declarator */
992 any_declarator_no_direct:
993 '*' m_type_qual_list m_any_declarator %prec PPTR
994 { $$ = $3; $$->type = append_ptrchain_type($$->type, type_new_pointer(pointer_default, NULL, $2)); }
995 | callconv m_any_declarator { $$ = $2; $$->type->attrs = append_attr($$->type->attrs, make_attrp(ATTR_CALLCONV, $1)); }
996 ;
997
998 /* abstract or non-abstract declarator or empty */
999 m_any_declarator: { $$ = make_declarator(NULL); }
1000 | any_declarator
1001 ;
1002
1003 /* abstract or non-abstract direct declarator. note: direct declarators
1004 * aren't accepted inside brackets to avoid ambiguity with the rule for
1005 * function arguments */
1006 any_direct_declarator:
1007 ident { $$ = make_declarator($1); }
1008 | '(' any_declarator_no_direct ')' { $$ = $2; }
1009 | any_direct_declarator array { $$ = $1; $$->array = append_array($$->array, $2); }
1010 | array { $$ = make_declarator(NULL); $$->array = append_array($$->array, $1); }
1011 | '(' m_args ')'
1012 { $$ = make_declarator(NULL);
1013 $$->func_type = append_ptrchain_type($$->type, type_new_function($2));
1014 $$->type = NULL;
1015 }
1016 | any_direct_declarator '(' m_args ')'
1017 { $$ = $1;
1018 $$->func_type = append_ptrchain_type($$->type, type_new_function($3));
1019 $$->type = NULL;
1020 }
1021 ;
1022
1023 declarator_list:
1024 declarator { $$ = append_declarator( NULL, $1 ); }
1025 | declarator_list ',' declarator { $$ = append_declarator( $1, $3 ); }
1026 ;
1027
1028 m_bitfield: { $$ = NULL; }
1029 | ':' expr_const { $$ = $2; }
1030 ;
1031
1032 struct_declarator: any_declarator m_bitfield { $$ = $1; $$->bits = $2;
1033 if (!$$->bits && !$$->var->name)
1034 error_loc("unnamed fields are not allowed\n");
1035 }
1036 ;
1037
1038 struct_declarator_list:
1039 struct_declarator { $$ = append_declarator( NULL, $1 ); }
1040 | struct_declarator_list ',' struct_declarator
1041 { $$ = append_declarator( $1, $3 ); }
1042 ;
1043
1044 init_declarator:
1045 declarator { $$ = $1; }
1046 | declarator '=' expr_const { $$ = $1; $1->var->eval = $3; }
1047 ;
1048
1049 pointer_type:
1050 tREF { $$ = RPC_FC_RP; }
1051 | tUNIQUE { $$ = RPC_FC_UP; }
1052 | tPTR { $$ = RPC_FC_FP; }
1053 ;
1054
1055 structdef: tSTRUCT t_ident '{' fields '}' { $$ = type_new_struct($2, TRUE, $4); }
1056 ;
1057
1058 type: tVOID { $$ = type_new_void(); }
1059 | aKNOWNTYPE { $$ = find_type_or_error($1, 0); }
1060 | base_type { $$ = $1; }
1061 | enumdef { $$ = $1; }
1062 | tENUM aIDENTIFIER { $$ = type_new_enum($2, FALSE, NULL); }
1063 | structdef { $$ = $1; }
1064 | tSTRUCT aIDENTIFIER { $$ = type_new_struct($2, FALSE, NULL); }
1065 | uniondef { $$ = $1; }
1066 | tUNION aIDENTIFIER { $$ = type_new_nonencapsulated_union($2, FALSE, NULL); }
1067 | tSAFEARRAY '(' type ')' { $$ = make_safearray($3); }
1068 ;
1069
1070 typedef: tTYPEDEF m_attributes decl_spec declarator_list
1071 { reg_typedefs($3, $4, check_typedef_attrs($2));
1072 $$ = make_statement_typedef($4);
1073 }
1074 ;
1075
1076 uniondef: tUNION t_ident '{' ne_union_fields '}'
1077 { $$ = type_new_nonencapsulated_union($2, TRUE, $4); }
1078 | tUNION t_ident
1079 tSWITCH '(' s_field ')'
1080 m_ident '{' cases '}' { $$ = type_new_encapsulated_union($2, $5, $7, $9); }
1081 ;
1082
1083 version:
1084 aNUM { $$ = MAKEVERSION($1, 0); }
1085 | aNUM '.' aNUM { $$ = MAKEVERSION($1, $3); }
1086 ;
1087
1088 %%
1089
1090 static void decl_builtin_basic(const char *name, enum type_basic_type type)
1091 {
1092 type_t *t = type_new_basic(type);
1093 reg_type(t, name, 0);
1094 }
1095
1096 static void decl_builtin_alias(const char *name, type_t *t)
1097 {
1098 reg_type(type_new_alias(t, name), name, 0);
1099 }
1100
1101 void init_types(void)
1102 {
1103 decl_builtin_basic("byte", TYPE_BASIC_BYTE);
1104 decl_builtin_basic("wchar_t", TYPE_BASIC_WCHAR);
1105 decl_builtin_basic("float", TYPE_BASIC_FLOAT);
1106 decl_builtin_basic("double", TYPE_BASIC_DOUBLE);
1107 decl_builtin_basic("error_status_t", TYPE_BASIC_ERROR_STATUS_T);
1108 decl_builtin_basic("handle_t", TYPE_BASIC_HANDLE);
1109 decl_builtin_alias("boolean", type_new_basic(TYPE_BASIC_BYTE));
1110 }
1111
1112 static str_list_t *append_str(str_list_t *list, char *str)
1113 {
1114 struct str_list_entry_t *entry;
1115
1116 if (!str) return list;
1117 if (!list)
1118 {
1119 list = xmalloc( sizeof(*list) );
1120 list_init( list );
1121 }
1122 entry = xmalloc( sizeof(*entry) );
1123 entry->str = str;
1124 list_add_tail( list, &entry->entry );
1125 return list;
1126 }
1127
1128 static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
1129 {
1130 attr_t *attr_existing;
1131 if (!attr) return list;
1132 if (!list)
1133 {
1134 list = xmalloc( sizeof(*list) );
1135 list_init( list );
1136 }
1137 LIST_FOR_EACH_ENTRY(attr_existing, list, attr_t, entry)
1138 if (attr_existing->type == attr->type)
1139 {
1140 parser_warning("duplicate attribute %s\n", get_attr_display_name(attr->type));
1141 /* use the last attribute, like MIDL does */
1142 list_remove(&attr_existing->entry);
1143 break;
1144 }
1145 list_add_tail( list, &attr->entry );
1146 return list;
1147 }
1148
1149 static attr_list_t *move_attr(attr_list_t *dst, attr_list_t *src, enum attr_type type)
1150 {
1151 attr_t *attr;
1152 if (!src) return dst;
1153 LIST_FOR_EACH_ENTRY(attr, src, attr_t, entry)
1154 if (attr->type == type)
1155 {
1156 list_remove(&attr->entry);
1157 return append_attr(dst, attr);
1158 }
1159 return dst;
1160 }
1161
1162 static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list)
1163 {
1164 struct list *entry;
1165
1166 if (!old_list) return new_list;
1167
1168 while ((entry = list_head(old_list)))
1169 {
1170 attr_t *attr = LIST_ENTRY(entry, attr_t, entry);
1171 list_remove(entry);
1172 new_list = append_attr(new_list, attr);
1173 }
1174 return new_list;
1175 }
1176
1177 static attr_list_t *dupattrs(const attr_list_t *list)
1178 {
1179 attr_list_t *new_list;
1180 const attr_t *attr;
1181
1182 if (!list) return NULL;
1183
1184 new_list = xmalloc( sizeof(*list) );
1185 list_init( new_list );
1186 LIST_FOR_EACH_ENTRY(attr, list, const attr_t, entry)
1187 {
1188 attr_t *new_attr = xmalloc(sizeof(*new_attr));
1189 *new_attr = *attr;
1190 list_add_tail(new_list, &new_attr->entry);
1191 }
1192 return new_list;
1193 }
1194
1195 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)
1196 {
1197 decl_spec_t *declspec = left ? left : right;
1198 if (!declspec)
1199 {
1200 declspec = xmalloc(sizeof(*declspec));
1201 declspec->type = NULL;
1202 declspec->attrs = NULL;
1203 declspec->stgclass = STG_NONE;
1204 }
1205 declspec->type = type;
1206 if (left && declspec != left)
1207 {
1208 declspec->attrs = append_attr_list(declspec->attrs, left->attrs);
1209 if (declspec->stgclass == STG_NONE)
1210 declspec->stgclass = left->stgclass;
1211 else if (left->stgclass != STG_NONE)
1212 error_loc("only one storage class can be specified\n");
1213 assert(!left->type);
1214 free(left);
1215 }
1216 if (right && declspec != right)
1217 {
1218 declspec->attrs = append_attr_list(declspec->attrs, right->attrs);
1219 if (declspec->stgclass == STG_NONE)
1220 declspec->stgclass = right->stgclass;
1221 else if (right->stgclass != STG_NONE)
1222 error_loc("only one storage class can be specified\n");
1223 assert(!right->type);
1224 free(right);
1225 }
1226
1227 declspec->attrs = append_attr(declspec->attrs, attr);
1228 if (declspec->stgclass == STG_NONE)
1229 declspec->stgclass = stgclass;
1230 else if (stgclass != STG_NONE)
1231 error_loc("only one storage class can be specified\n");
1232
1233 /* apply attributes to type */
1234 if (type && declspec->attrs)
1235 {
1236 attr_list_t *attrs;
1237 declspec->type = duptype(type, 1);
1238 attrs = dupattrs(type->attrs);
1239 declspec->type->attrs = append_attr_list(attrs, declspec->attrs);
1240 declspec->attrs = NULL;
1241 }
1242
1243 return declspec;
1244 }
1245
1246 static attr_t *make_attr(enum attr_type type)
1247 {
1248 attr_t *a = xmalloc(sizeof(attr_t));
1249 a->type = type;
1250 a->u.ival = 0;
1251 return a;
1252 }
1253
1254 static attr_t *make_attrv(enum attr_type type, unsigned int val)
1255 {
1256 attr_t *a = xmalloc(sizeof(attr_t));
1257 a->type = type;
1258 a->u.ival = val;
1259 return a;
1260 }
1261
1262 static attr_t *make_attrp(enum attr_type type, void *val)
1263 {
1264 attr_t *a = xmalloc(sizeof(attr_t));
1265 a->type = type;
1266 a->u.pval = val;
1267 return a;
1268 }
1269
1270 static expr_list_t *append_expr(expr_list_t *list, expr_t *expr)
1271 {
1272 if (!expr) return list;
1273 if (!list)
1274 {
1275 list = xmalloc( sizeof(*list) );
1276 list_init( list );
1277 }
1278 list_add_tail( list, &expr->entry );
1279 return list;
1280 }
1281
1282 static array_dims_t *append_array(array_dims_t *list, expr_t *expr)
1283 {
1284 if (!expr) return list;
1285 if (!list)
1286 {
1287 list = xmalloc( sizeof(*list) );
1288 list_init( list );
1289 }
1290 list_add_tail( list, &expr->entry );
1291 return list;
1292 }
1293
1294 static struct list type_pool = LIST_INIT(type_pool);
1295 typedef struct
1296 {
1297 type_t data;
1298 struct list link;
1299 } type_pool_node_t;
1300
1301 type_t *alloc_type(void)
1302 {
1303 type_pool_node_t *node = xmalloc(sizeof *node);
1304 list_add_tail(&type_pool, &node->link);
1305 return &node->data;
1306 }
1307
1308 void set_all_tfswrite(int val)
1309 {
1310 type_pool_node_t *node;
1311 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1312 node->data.tfswrite = val;
1313 }
1314
1315 void clear_all_offsets(void)
1316 {
1317 type_pool_node_t *node;
1318 LIST_FOR_EACH_ENTRY(node, &type_pool, type_pool_node_t, link)
1319 node->data.typestring_offset = node->data.ptrdesc = 0;
1320 }
1321
1322 static void type_function_add_head_arg(type_t *type, var_t *arg)
1323 {
1324 if (!type->details.function->args)
1325 {
1326 type->details.function->args = xmalloc( sizeof(*type->details.function->args) );
1327 list_init( type->details.function->args );
1328 }
1329 list_add_head( type->details.function->args, &arg->entry );
1330 }
1331
1332 static int is_allowed_range_type(const type_t *type)
1333 {
1334 switch (type_get_type(type))
1335 {
1336 case TYPE_ENUM:
1337 return TRUE;
1338 case TYPE_BASIC:
1339 switch (type_basic_get_type(type))
1340 {
1341 case TYPE_BASIC_INT8:
1342 case TYPE_BASIC_INT16:
1343 case TYPE_BASIC_INT32:
1344 case TYPE_BASIC_INT64:
1345 case TYPE_BASIC_INT:
1346 case TYPE_BASIC_INT3264:
1347 case TYPE_BASIC_BYTE:
1348 case TYPE_BASIC_CHAR:
1349 case TYPE_BASIC_WCHAR:
1350 case TYPE_BASIC_HYPER:
1351 return TRUE;
1352 case TYPE_BASIC_FLOAT:
1353 case TYPE_BASIC_DOUBLE:
1354 case TYPE_BASIC_ERROR_STATUS_T:
1355 case TYPE_BASIC_HANDLE:
1356 return FALSE;
1357 }
1358 return FALSE;
1359 default:
1360 return FALSE;
1361 }
1362 }
1363
1364 static type_t *append_ptrchain_type(type_t *ptrchain, type_t *type)
1365 {
1366 type_t *ptrchain_type;
1367 if (!ptrchain)
1368 return type;
1369 for (ptrchain_type = ptrchain; type_pointer_get_ref(ptrchain_type); ptrchain_type = type_pointer_get_ref(ptrchain_type))
1370 ;
1371 assert(ptrchain_type->type_type == TYPE_POINTER);
1372 ptrchain_type->details.pointer.ref = type;
1373 return ptrchain;
1374 }
1375
1376 static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, const declarator_t *decl,
1377 int top)
1378 {
1379 var_t *v = decl->var;
1380 expr_list_t *sizes = get_attrp(attrs, ATTR_SIZEIS);
1381 expr_list_t *lengs = get_attrp(attrs, ATTR_LENGTHIS);
1382 int sizeless;
1383 expr_t *dim;
1384 type_t **ptype;
1385 array_dims_t *arr = decl ? decl->array : NULL;
1386 type_t *func_type = decl ? decl->func_type : NULL;
1387 type_t *type = decl_spec->type;
1388
1389 if (is_attr(type->attrs, ATTR_INLINE))
1390 {
1391 if (!func_type)
1392 error_loc("inline attribute applied to non-function type\n");
1393 else
1394 {
1395 type_t *t;
1396 /* move inline attribute from return type node to function node */
1397 for (t = func_type; is_ptr(t); t = type_pointer_get_ref(t))
1398 ;
1399 t->attrs = move_attr(t->attrs, type->attrs, ATTR_INLINE);
1400 }
1401 }
1402
1403 /* add type onto the end of the pointers in pident->type */
1404 v->type = append_ptrchain_type(decl ? decl->type : NULL, type);
1405 v->stgclass = decl_spec->stgclass;
1406 v->attrs = attrs;
1407
1408 /* check for pointer attribute being applied to non-pointer, non-array
1409 * type */
1410 if (!arr)
1411 {
1412 int ptr_attr = get_attrv(v->attrs, ATTR_POINTERTYPE);
1413 const type_t *ptr = NULL;
1414 /* pointer attributes on the left side of the type belong to the function
1415 * pointer, if one is being declared */
1416 type_t **pt = func_type ? &func_type : &v->type;
1417 for (ptr = *pt; ptr && !ptr_attr; )
1418 {
1419 ptr_attr = get_attrv(ptr->attrs, ATTR_POINTERTYPE);
1420 if (!ptr_attr && type_is_alias(ptr))
1421 ptr = type_alias_get_aliasee(ptr);
1422 else
1423 break;
1424 }
1425 if (is_ptr(ptr))
1426 {
1427 if (ptr_attr && ptr_attr != RPC_FC_UP &&
1428 type_get_type(type_pointer_get_ref(ptr)) == TYPE_INTERFACE)
1429 warning_loc_info(&v->loc_info,
1430 "%s: pointer attribute applied to interface "
1431 "pointer type has no effect\n", v->name);
1432 if (!ptr_attr && top && (*pt)->details.pointer.def_fc != RPC_FC_RP)
1433 {
1434 /* FIXME: this is a horrible hack to cope with the issue that we
1435 * store an offset to the typeformat string in the type object, but
1436 * two typeformat strings may be written depending on whether the
1437 * pointer is a toplevel parameter or not */
1438 *pt = duptype(*pt, 1);
1439 }
1440 }
1441 else if (ptr_attr)
1442 error_loc("%s: pointer attribute applied to non-pointer type\n", v->name);
1443 }
1444
1445 if (is_attr(v->attrs, ATTR_STRING))
1446 {
1447 type_t *t = type;
1448
1449 if (!is_ptr(v->type) && !arr)
1450 error_loc("'%s': [string] attribute applied to non-pointer, non-array type\n",
1451 v->name);
1452
1453 while (is_ptr(t))
1454 t = type_pointer_get_ref(t);
1455
1456 if (type_get_type(t) != TYPE_BASIC &&
1457 (get_basic_fc(t) != RPC_FC_CHAR &&
1458 get_basic_fc(t) != RPC_FC_BYTE &&
1459 get_basic_fc(t) != RPC_FC_WCHAR))
1460 {
1461 error_loc("'%s': [string] attribute is only valid on 'char', 'byte', or 'wchar_t' pointers and arrays\n",
1462 v->name);
1463 }
1464 }
1465
1466 if (is_attr(v->attrs, ATTR_V1ENUM))
1467 {
1468 if (type_get_type_detect_alias(v->type) != TYPE_ENUM)
1469 error_loc("'%s': [v1_enum] attribute applied to non-enum type\n", v->name);
1470 }
1471
1472 if (is_attr(v->attrs, ATTR_RANGE) && !is_allowed_range_type(v->type))
1473 error_loc("'%s': [range] attribute applied to non-integer type\n",
1474 v->name);
1475
1476 ptype = &v->type;
1477 sizeless = FALSE;
1478 if (arr) LIST_FOR_EACH_ENTRY_REV(dim, arr, expr_t, entry)
1479 {
1480 if (sizeless)
1481 error_loc("%s: only the first array dimension can be unspecified\n", v->name);
1482
1483 if (dim->is_const)
1484 {
1485 if (dim->cval <= 0)
1486 error_loc("%s: array dimension must be positive\n", v->name);
1487
1488 /* FIXME: should use a type_memsize that allows us to pass in a pointer size */
1489 if (0)
1490 {
1491 unsigned int size = type_memsize(v->type);
1492
1493 if (0xffffffffu / size < dim->cval)
1494 error_loc("%s: total array size is too large\n", v->name);
1495 }
1496 }
1497 else
1498 sizeless = TRUE;
1499
1500 *ptype = type_new_array(NULL, *ptype, FALSE,
1501 dim->is_const ? dim->cval : 0,
1502 dim->is_const ? NULL : dim, NULL,
1503 pointer_default);
1504 }
1505
1506 ptype = &v->type;
1507 if (sizes) LIST_FOR_EACH_ENTRY(dim, sizes, expr_t, entry)
1508 {
1509 if (dim->type != EXPR_VOID)
1510 {
1511 if (is_array(*ptype))
1512 {
1513 if (!type_array_get_conformance(*ptype) ||
1514 type_array_get_conformance(*ptype)->type != EXPR_VOID)
1515 error_loc("%s: cannot specify size_is for an already sized array\n", v->name);
1516 else
1517 *ptype = type_new_array((*ptype)->name,
1518 type_array_get_element(*ptype), FALSE,
1519 0, dim, NULL, 0);
1520 }
1521 else if (is_ptr(*ptype))
1522 *ptype = type_new_array((*ptype)->name, type_pointer_get_ref(*ptype), TRUE,
1523 0, dim, NULL, pointer_default);
1524 else
1525 error_loc("%s: size_is attribute applied to illegal type\n", v->name);
1526 }
1527
1528 if (is_ptr(*ptype))
1529 ptype = &(*ptype)->details.pointer.ref;
1530 else if (is_array(*ptype))
1531 ptype = &(*ptype)->details.array.elem;
1532 else
1533 error_loc("%s: too many expressions in size_is attribute\n", v->name);
1534 }
1535
1536 ptype = &v->type;
1537 if (lengs) LIST_FOR_EACH_ENTRY(dim, lengs, expr_t, entry)
1538 {
1539 if (dim->type != EXPR_VOID)
1540 {
1541 if (is_array(*ptype))
1542 {
1543 *ptype = type_new_array((*ptype)->name,
1544 type_array_get_element(*ptype),
1545 type_array_is_decl_as_ptr(*ptype),
1546 type_array_get_dim(*ptype),
1547 type_array_get_conformance(*ptype),
1548 dim, type_array_get_ptr_default_fc(*ptype));
1549 }
1550 else
1551 error_loc("%s: length_is attribute applied to illegal type\n", v->name);
1552 }
1553
1554 if (is_ptr(*ptype))
1555 ptype = &(*ptype)->details.pointer.ref;
1556 else if (is_array(*ptype))
1557 ptype = &(*ptype)->details.array.elem;
1558 else
1559 error_loc("%s: too many expressions in length_is attribute\n", v->name);
1560 }
1561
1562 /* v->type is currently pointing to the type on the left-side of the
1563 * declaration, so we need to fix this up so that it is the return type of the
1564 * function and make v->type point to the function side of the declaration */
1565 if (func_type)
1566 {
1567 type_t *ft, *t;
1568 type_t *return_type = v->type;
1569 v->type = func_type;
1570 for (ft = v->type; is_ptr(ft); ft = type_pointer_get_ref(ft))
1571 ;
1572 assert(type_get_type_detect_alias(ft) == TYPE_FUNCTION);
1573 ft->details.function->rettype = return_type;
1574 /* move calling convention attribute, if present, from pointer nodes to
1575 * function node */
1576 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1577 ft->attrs = move_attr(ft->attrs, t->attrs, ATTR_CALLCONV);
1578 if (is_object_interface && !is_attr(ft->attrs, ATTR_CALLCONV))
1579 {
1580 static char *stdmethodcalltype;
1581 if (!stdmethodcalltype) stdmethodcalltype = strdup("STDMETHODCALLTYPE");
1582 ft->attrs = append_attr(NULL, make_attrp(ATTR_CALLCONV, stdmethodcalltype));
1583 }
1584 }
1585 else
1586 {
1587 type_t *t;
1588 for (t = v->type; is_ptr(t); t = type_pointer_get_ref(t))
1589 if (is_attr(t->attrs, ATTR_CALLCONV))
1590 error_loc("calling convention applied to non-function-pointer type\n");
1591 }
1592
1593 if (decl->bits)
1594 v->type = type_new_bitfield(v->type, decl->bits);
1595
1596 return v;
1597 }
1598
1599 static var_list_t *set_var_types(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_list_t *decls)
1600 {
1601 declarator_t *decl, *next;
1602 var_list_t *var_list = NULL;
1603
1604 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
1605 {
1606 var_t *var = declare_var(attrs, decl_spec, decl, 0);
1607 var_list = append_var(var_list, var);
1608 free(decl);
1609 }
1610 free(decl_spec);
1611 return var_list;
1612 }
1613
1614 static ifref_list_t *append_ifref(ifref_list_t *list, ifref_t *iface)
1615 {
1616 if (!iface) return list;
1617 if (!list)
1618 {
1619 list = xmalloc( sizeof(*list) );
1620 list_init( list );
1621 }
1622 list_add_tail( list, &iface->entry );
1623 return list;
1624 }
1625
1626 static ifref_t *make_ifref(type_t *iface)
1627 {
1628 ifref_t *l = xmalloc(sizeof(ifref_t));
1629 l->iface = iface;
1630 l->attrs = NULL;
1631 return l;
1632 }
1633
1634 var_list_t *append_var(var_list_t *list, var_t *var)
1635 {
1636 if (!var) return list;
1637 if (!list)
1638 {
1639 list = xmalloc( sizeof(*list) );
1640 list_init( list );
1641 }
1642 list_add_tail( list, &var->entry );
1643 return list;
1644 }
1645
1646 static var_list_t *append_var_list(var_list_t *list, var_list_t *vars)
1647 {
1648 if (!vars) return list;
1649 if (!list)
1650 {
1651 list = xmalloc( sizeof(*list) );
1652 list_init( list );
1653 }
1654 list_move_tail( list, vars );
1655 return list;
1656 }
1657
1658 var_t *make_var(char *name)
1659 {
1660 var_t *v = xmalloc(sizeof(var_t));
1661 v->name = name;
1662 v->type = NULL;
1663 v->attrs = NULL;
1664 v->eval = NULL;
1665 v->stgclass = STG_NONE;
1666 init_loc_info(&v->loc_info);
1667 return v;
1668 }
1669
1670 static declarator_list_t *append_declarator(declarator_list_t *list, declarator_t *d)
1671 {
1672 if (!d) return list;
1673 if (!list) {
1674 list = xmalloc(sizeof(*list));
1675 list_init(list);
1676 }
1677 list_add_tail(list, &d->entry);
1678 return list;
1679 }
1680
1681 static declarator_t *make_declarator(var_t *var)
1682 {
1683 declarator_t *d = xmalloc(sizeof(*d));
1684 d->var = var ? var : make_var(NULL);
1685 d->type = NULL;
1686 d->func_type = NULL;
1687 d->array = NULL;
1688 d->bits = NULL;
1689 return d;
1690 }
1691
1692 static type_t *make_safearray(type_t *type)
1693 {
1694 return type_new_array(NULL, type_new_alias(type, "SAFEARRAY"), TRUE, 0,
1695 NULL, NULL, RPC_FC_RP);
1696 }
1697
1698 static typelib_t *make_library(const char *name, const attr_list_t *attrs)
1699 {
1700 typelib_t *typelib = xmalloc(sizeof(*typelib));
1701 typelib->name = xstrdup(name);
1702 typelib->filename = NULL;
1703 typelib->attrs = attrs;
1704 list_init( &typelib->importlibs );
1705 return typelib;
1706 }
1707
1708 #define HASHMAX 64
1709
1710 static int hash_ident(const char *name)
1711 {
1712 const char *p = name;
1713 int sum = 0;
1714 /* a simple sum hash is probably good enough */
1715 while (*p) {
1716 sum += *p;
1717 p++;
1718 }
1719 return sum & (HASHMAX-1);
1720 }
1721
1722 /***** type repository *****/
1723
1724 struct rtype {
1725 const char *name;
1726 type_t *type;
1727 int t;
1728 struct rtype *next;
1729 };
1730
1731 struct rtype *type_hash[HASHMAX];
1732
1733 type_t *reg_type(type_t *type, const char *name, int t)
1734 {
1735 struct rtype *nt;
1736 int hash;
1737 if (!name) {
1738 error_loc("registering named type without name\n");
1739 return type;
1740 }
1741 hash = hash_ident(name);
1742 nt = xmalloc(sizeof(struct rtype));
1743 nt->name = name;
1744 nt->type = type;
1745 nt->t = t;
1746 nt->next = type_hash[hash];
1747 type_hash[hash] = nt;
1748 if ((t == tsSTRUCT || t == tsUNION))
1749 fix_incomplete_types(type);
1750 return type;
1751 }
1752
1753 static int is_incomplete(const type_t *t)
1754 {
1755 return !t->defined &&
1756 (type_get_type_detect_alias(t) == TYPE_STRUCT ||
1757 type_get_type_detect_alias(t) == TYPE_UNION ||
1758 type_get_type_detect_alias(t) == TYPE_ENCAPSULATED_UNION);
1759 }
1760
1761 void add_incomplete(type_t *t)
1762 {
1763 struct typenode *tn = xmalloc(sizeof *tn);
1764 tn->type = t;
1765 list_add_tail(&incomplete_types, &tn->entry);
1766 }
1767
1768 static void fix_type(type_t *t)
1769 {
1770 if (type_is_alias(t) && is_incomplete(t)) {
1771 type_t *ot = type_alias_get_aliasee(t);
1772 fix_type(ot);
1773 if (type_get_type_detect_alias(ot) == TYPE_STRUCT ||
1774 type_get_type_detect_alias(ot) == TYPE_UNION ||
1775 type_get_type_detect_alias(ot) == TYPE_ENCAPSULATED_UNION)
1776 t->details.structure = ot->details.structure;
1777 t->defined = ot->defined;
1778 }
1779 }
1780
1781 static void fix_incomplete(void)
1782 {
1783 struct typenode *tn, *next;
1784
1785 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry) {
1786 fix_type(tn->type);
1787 list_remove(&tn->entry);
1788 free(tn);
1789 }
1790 }
1791
1792 static void fix_incomplete_types(type_t *complete_type)
1793 {
1794 struct typenode *tn, *next;
1795
1796 LIST_FOR_EACH_ENTRY_SAFE(tn, next, &incomplete_types, struct typenode, entry)
1797 {
1798 if (type_is_equal(complete_type, tn->type))
1799 {
1800 tn->type->details.structure = complete_type->details.structure;
1801 list_remove(&tn->entry);
1802 free(tn);
1803 }
1804 }
1805 }
1806
1807 static type_t *reg_typedefs(decl_spec_t *decl_spec, declarator_list_t *decls, attr_list_t *attrs)
1808 {
1809 const declarator_t *decl;
1810 type_t *type = decl_spec->type;
1811
1812 /* We must generate names for tagless enum, struct or union.
1813 Typedef-ing a tagless enum, struct or union means we want the typedef
1814 to be included in a library hence the public attribute. */
1815 if ((type_get_type_detect_alias(type) == TYPE_ENUM ||
1816 type_get_type_detect_alias(type) == TYPE_STRUCT ||
1817 type_get_type_detect_alias(type) == TYPE_UNION ||
1818 type_get_type_detect_alias(type) == TYPE_ENCAPSULATED_UNION) &&
1819 !type->name && !parse_only)
1820 {
1821 if (! is_attr(attrs, ATTR_PUBLIC))
1822 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1823 type->name = gen_name();
1824 }
1825 else if (is_attr(attrs, ATTR_UUID) && !is_attr(attrs, ATTR_PUBLIC))
1826 attrs = append_attr( attrs, make_attr(ATTR_PUBLIC) );
1827
1828 LIST_FOR_EACH_ENTRY( decl, decls, const declarator_t, entry )
1829 {
1830
1831 if (decl->var->name) {
1832 type_t *cur;
1833 var_t *name;
1834
1835 cur = find_type(decl->var->name, 0);
1836 if (cur)
1837 error_loc("%s: redefinition error; original definition was at %s:%d\n",
1838 cur->name, cur->loc_info.input_name,
1839 cur->loc_info.line_number);
1840
1841 name = declare_var(attrs, decl_spec, decl, 0);
1842 cur = type_new_alias(name->type, name->name);
1843 cur->attrs = attrs;
1844
1845 if (is_incomplete(cur))
1846 add_incomplete(cur);
1847 reg_type(cur, cur->name, 0);
1848 }
1849 }
1850 return type;
1851 }
1852
1853 type_t *find_type(const char *name, int t)
1854 {
1855 struct rtype *cur = type_hash[hash_ident(name)];
1856 while (cur && (cur->t != t || strcmp(cur->name, name)))
1857 cur = cur->next;
1858 return cur ? cur->type : NULL;
1859 }
1860
1861 static type_t *find_type_or_error(const char *name, int t)
1862 {
1863 type_t *type = find_type(name, t);
1864 if (!type) {
1865 error_loc("type '%s' not found\n", name);
1866 return NULL;
1867 }
1868 return type;
1869 }
1870
1871 static type_t *find_type_or_error2(char *name, int t)
1872 {
1873 type_t *tp = find_type_or_error(name, t);
1874 free(name);
1875 return tp;
1876 }
1877
1878 int is_type(const char *name)
1879 {
1880 return find_type(name, 0) != NULL;
1881 }
1882
1883 type_t *get_type(enum type_type type, char *name, int t)
1884 {
1885 type_t *tp;
1886 if (name) {
1887 tp = find_type(name, t);
1888 if (tp) {
1889 free(name);
1890 return tp;
1891 }
1892 }
1893 tp = make_type(type);
1894 tp->name = name;
1895 if (!name) return tp;
1896 return reg_type(tp, name, t);
1897 }
1898
1899 /***** constant repository *****/
1900
1901 struct rconst {
1902 char *name;
1903 var_t *var;
1904 struct rconst *next;
1905 };
1906
1907 struct rconst *const_hash[HASHMAX];
1908
1909 static var_t *reg_const(var_t *var)
1910 {
1911 struct rconst *nc;
1912 int hash;
1913 if (!var->name) {
1914 error_loc("registering constant without name\n");
1915 return var;
1916 }
1917 hash = hash_ident(var->name);
1918 nc = xmalloc(sizeof(struct rconst));
1919 nc->name = var->name;
1920 nc->var = var;
1921 nc->next = const_hash[hash];
1922 const_hash[hash] = nc;
1923 return var;
1924 }
1925
1926 var_t *find_const(const char *name, int f)
1927 {
1928 struct rconst *cur = const_hash[hash_ident(name)];
1929 while (cur && strcmp(cur->name, name))
1930 cur = cur->next;
1931 if (!cur) {
1932 if (f) error_loc("constant '%s' not found\n", name);
1933 return NULL;
1934 }
1935 return cur->var;
1936 }
1937
1938 static char *gen_name(void)
1939 {
1940 static const char format[] = "__WIDL_%s_generated_name_%08lX";
1941 static unsigned long n = 0;
1942 static const char *file_id;
1943 static size_t size;
1944 char *name;
1945
1946 if (! file_id)
1947 {
1948 char *dst = dup_basename(input_name, ".idl");
1949 file_id = dst;
1950
1951 for (; *dst; ++dst)
1952 if (! isalnum((unsigned char) *dst))
1953 *dst = '_';
1954
1955 size = sizeof format - 7 + strlen(file_id) + 8;
1956 }
1957
1958 name = xmalloc(size);
1959 sprintf(name, format, file_id, n++);
1960 return name;
1961 }
1962
1963 struct allowed_attr
1964 {
1965 unsigned int dce_compatible : 1;
1966 unsigned int acf : 1;
1967 unsigned int on_interface : 1;
1968 unsigned int on_function : 1;
1969 unsigned int on_arg : 1;
1970 unsigned int on_type : 1;
1971 unsigned int on_enum : 1;
1972 unsigned int on_struct : 1;
1973 unsigned int on_union : 1;
1974 unsigned int on_field : 1;
1975 unsigned int on_library : 1;
1976 unsigned int on_dispinterface : 1;
1977 unsigned int on_module : 1;
1978 unsigned int on_coclass : 1;
1979 const char *display_name;
1980 };
1981
1982 struct allowed_attr allowed_attr[] =
1983 {
1984 /* attr { D ACF I Fn ARG T En St Un Fi L DI M C <display name> } */
1985 /* ATTR_AGGREGATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "aggregatable" },
1986 /* ATTR_ANNOTATION */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "annotation" },
1987 /* ATTR_APPOBJECT */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "appobject" },
1988 /* ATTR_ASYNC */ { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "async" },
1989 /* ATTR_AUTO_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "auto_handle" },
1990 /* ATTR_BINDABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "bindable" },
1991 /* ATTR_BROADCAST */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "broadcast" },
1992 /* ATTR_CALLAS */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "call_as" },
1993 /* ATTR_CALLCONV */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
1994 /* ATTR_CASE */ { 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "case" },
1995 /* ATTR_CONST */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "const" },
1996 /* ATTR_CONTEXTHANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "context_handle" },
1997 /* ATTR_CONTROL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, "control" },
1998 /* ATTR_DEFAULT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, "default" },
1999 /* ATTR_DEFAULTCOLLELEM */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
2000 /* ATTR_DEFAULTVALUE */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },
2001 /* ATTR_DEFAULTVTABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "defaultvtable" },
2002 /* ATTR_DISPINTERFACE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL },
2003 /* ATTR_DISPLAYBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "displaybind" },
2004 /* ATTR_DLLNAME */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, "dllname" },
2005 /* ATTR_DUAL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "dual" },
2006 /* ATTR_ENDPOINT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "endpoint" },
2007 /* ATTR_ENTRY */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "entry" },
2008 /* ATTR_EXPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "explicit_handle" },
2009 /* ATTR_HANDLE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "handle" },
2010 /* ATTR_HELPCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpcontext" },
2011 /* ATTR_HELPFILE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpfile" },
2012 /* ATTR_HELPSTRING */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstring" },
2013 /* ATTR_HELPSTRINGCONTEXT */ { 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "helpstringcontext" },
2014 /* ATTR_HELPSTRINGDLL */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "helpstringdll" },
2015 /* ATTR_HIDDEN */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, "hidden" },
2016 /* ATTR_ID */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, "id" },
2017 /* ATTR_IDEMPOTENT */ { 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "idempotent" },
2018 /* ATTR_IIDIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "iid_is" },
2019 /* ATTR_IMMEDIATEBIND */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "immediatebind" },
2020 /* ATTR_IMPLICIT_HANDLE */ { 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "implicit_handle" },
2021 /* ATTR_IN */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "in" },
2022 /* ATTR_INLINE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inline" },
2023 /* ATTR_INPUTSYNC */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "inputsync" },
2024 /* ATTR_LENGTHIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "length_is" },
2025 /* ATTR_LIBLCID */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "lcid" },
2026 /* ATTR_LOCAL */ { 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "local" },
2027 /* ATTR_NONBROWSABLE */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonbrowsable" },
2028 /* ATTR_NONCREATABLE */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, "noncreatable" },
2029 /* ATTR_NONEXTENSIBLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "nonextensible" },
2030 /* ATTR_OBJECT */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "object" },
2031 /* ATTR_ODL */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "odl" },
2032 /* ATTR_OLEAUTOMATION */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "oleautomation" },
2033 /* ATTR_OPTIONAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "optional" },
2034 /* ATTR_OUT */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "out" },
2035 /* ATTR_PARAMLCID */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "lcid" },
2036 /* ATTR_POINTERDEFAULT */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "pointer_default" },
2037 /* ATTR_POINTERTYPE */ { 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "ref, unique or ptr" },
2038 /* ATTR_PROPGET */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propget" },
2039 /* ATTR_PROPPUT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propput" },
2040 /* ATTR_PROPPUTREF */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "propputref" },
2041 /* ATTR_PUBLIC */ { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "public" },
2042 /* ATTR_RANGE */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, "range" },
2043 /* ATTR_READONLY */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "readonly" },
2044 /* ATTR_REQUESTEDIT */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "requestedit" },
2045 /* ATTR_RESTRICTED */ { 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, "restricted" },
2046 /* ATTR_RETVAL */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, "retval" },
2047 /* ATTR_SIZEIS */ { 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "size_is" },
2048 /* ATTR_SOURCE */ { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, "source" },
2049 /* ATTR_STRICTCONTEXTHANDLE */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "strict_context_handle" },
2050 /* ATTR_STRING */ { 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, "string" },
2051 /* ATTR_SWITCHIS */ { 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, "switch_is" },
2052 /* ATTR_SWITCHTYPE */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, "switch_type" },
2053 /* ATTR_TRANSMITAS */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "transmit_as" },
2054 /* ATTR_UUID */ { 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, "uuid" },
2055 /* ATTR_V1ENUM */ { 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, "v1_enum" },
2056 /* ATTR_VARARG */ { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "vararg" },
2057 /* ATTR_VERSION */ { 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, "version" },
2058 /* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
2059 };
2060
2061 const char *get_attr_display_name(enum attr_type type)
2062 {
2063 return allowed_attr[type].display_name;
2064 }
2065
2066 static attr_list_t *check_iface_attrs(const char *name, attr_list_t *attrs)
2067 {
2068 const attr_t *attr;
2069 if (!attrs) return attrs;
2070 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2071 {
2072 if (!allowed_attr[attr->type].on_interface)
2073 error_loc("inapplicable attribute %s for interface %s\n",
2074 allowed_attr[attr->type].display_name, name);
2075 }
2076 return attrs;
2077 }
2078
2079 static attr_list_t *check_function_attrs(const char *name, attr_list_t *attrs)
2080 {
2081 const attr_t *attr;
2082 if (!attrs) return attrs;
2083 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2084 {
2085 if (!allowed_attr[attr->type].on_function)
2086 error_loc("inapplicable attribute %s for function %s\n",
2087 allowed_attr[attr->type].display_name, name);
2088 }
2089 return attrs;
2090 }
2091
2092 static void check_arg_attrs(const var_t *arg)
2093 {
2094 const attr_t *attr;
2095
2096 if (arg->attrs)
2097 {
2098 LIST_FOR_EACH_ENTRY(attr, arg->attrs, const attr_t, entry)
2099 {
2100 if (!allowed_attr[attr->type].on_arg)
2101 error_loc("inapplicable attribute %s for argument %s\n",
2102 allowed_attr[attr->type].display_name, arg->name);
2103 }
2104 }
2105 }
2106
2107 static attr_list_t *check_typedef_attrs(attr_list_t *attrs)
2108 {
2109 const attr_t *attr;
2110 if (!attrs) return attrs;
2111 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2112 {
2113 if (!allowed_attr[attr->type].on_type)
2114 error_loc("inapplicable attribute %s for typedef\n",
2115 allowed_attr[attr->type].display_name);
2116 }
2117 return attrs;
2118 }
2119
2120 static attr_list_t *check_enum_attrs(attr_list_t *attrs)
2121 {
2122 const attr_t *attr;
2123 if (!attrs) return attrs;
2124 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2125 {
2126 if (!allowed_attr[attr->type].on_enum)
2127 error_loc("inapplicable attribute %s for enum\n",
2128 allowed_attr[attr->type].display_name);
2129 }
2130 return attrs;
2131 }
2132
2133 static attr_list_t *check_struct_attrs(attr_list_t *attrs)
2134 {
2135 const attr_t *attr;
2136 if (!attrs) return attrs;
2137 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2138 {
2139 if (!allowed_attr[attr->type].on_struct)
2140 error_loc("inapplicable attribute %s for struct\n",
2141 allowed_attr[attr->type].display_name);
2142 }
2143 return attrs;
2144 }
2145
2146 static attr_list_t *check_union_attrs(attr_list_t *attrs)
2147 {
2148 const attr_t *attr;
2149 if (!attrs) return attrs;
2150 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2151 {
2152 if (!allowed_attr[attr->type].on_union)
2153 error_loc("inapplicable attribute %s for union\n",
2154 allowed_attr[attr->type].display_name);
2155 }
2156 return attrs;
2157 }
2158
2159 static attr_list_t *check_field_attrs(const char *name, attr_list_t *attrs)
2160 {
2161 const attr_t *attr;
2162 if (!attrs) return attrs;
2163 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2164 {
2165 if (!allowed_attr[attr->type].on_field)
2166 error_loc("inapplicable attribute %s for field %s\n",
2167 allowed_attr[attr->type].display_name, name);
2168 }
2169 return attrs;
2170 }
2171
2172 static attr_list_t *check_library_attrs(const char *name, attr_list_t *attrs)
2173 {
2174 const attr_t *attr;
2175 if (!attrs) return attrs;
2176 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2177 {
2178 if (!allowed_attr[attr->type].on_library)
2179 error_loc("inapplicable attribute %s for library %s\n",
2180 allowed_attr[attr->type].display_name, name);
2181 }
2182 return attrs;
2183 }
2184
2185 static attr_list_t *check_dispiface_attrs(const char *name, attr_list_t *attrs)
2186 {
2187 const attr_t *attr;
2188 if (!attrs) return attrs;
2189 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2190 {
2191 if (!allowed_attr[attr->type].on_dispinterface)
2192 error_loc("inapplicable attribute %s for dispinterface %s\n",
2193 allowed_attr[attr->type].display_name, name);
2194 }
2195 return attrs;
2196 }
2197
2198 static attr_list_t *check_module_attrs(const char *name, attr_list_t *attrs)
2199 {
2200 const attr_t *attr;
2201 if (!attrs) return attrs;
2202 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2203 {
2204 if (!allowed_attr[attr->type].on_module)
2205 error_loc("inapplicable attribute %s for module %s\n",
2206 allowed_attr[attr->type].display_name, name);
2207 }
2208 return attrs;
2209 }
2210
2211 static attr_list_t *check_coclass_attrs(const char *name, attr_list_t *attrs)
2212 {
2213 const attr_t *attr;
2214 if (!attrs) return attrs;
2215 LIST_FOR_EACH_ENTRY(attr, attrs, const attr_t, entry)
2216 {
2217 if (!allowed_attr[attr->type].on_coclass)
2218 error_loc("inapplicable attribute %s for coclass %s\n",
2219 allowed_attr[attr->type].display_name, name);
2220 }
2221 return attrs;
2222 }
2223
2224 static int is_allowed_conf_type(const type_t *type)
2225 {
2226 switch (type_get_type(type))
2227 {
2228 case TYPE_ENUM:
2229 return TRUE;
2230 case TYPE_BASIC:
2231 switch (type_basic_get_type(type))
2232 {
2233 case TYPE_BASIC_INT8:
2234 case TYPE_BASIC_INT16:
2235 case TYPE_BASIC_INT32:
2236 case TYPE_BASIC_INT64:
2237 case TYPE_BASIC_INT:
2238 case TYPE_BASIC_CHAR:
2239 case TYPE_BASIC_HYPER:
2240 case TYPE_BASIC_BYTE:
2241 case TYPE_BASIC_WCHAR:
2242 return TRUE;
2243 default:
2244 return FALSE;
2245 }
2246 case TYPE_ALIAS:
2247 /* shouldn't get here because of type_get_type call above */
2248 assert(0);
2249 /* fall through */
2250 case TYPE_STRUCT:
2251 case TYPE_UNION:
2252 case TYPE_ENCAPSULATED_UNION:
2253 case TYPE_ARRAY:
2254 case TYPE_POINTER:
2255 case TYPE_VOID:
2256 case TYPE_MODULE:
2257 case TYPE_COCLASS:
2258 case TYPE_FUNCTION:
2259 case TYPE_INTERFACE:
2260 case TYPE_BITFIELD:
2261 return FALSE;
2262 }
2263 return FALSE;
2264 }
2265
2266 static int is_ptr_guid_type(const type_t *type)
2267 {
2268 /* first, make sure it is a pointer to something */
2269 if (!is_ptr(type)) return FALSE;
2270
2271 /* second, make sure it is a pointer to something of size sizeof(GUID),
2272 * i.e. 16 bytes */
2273 return (type_memsize(type_pointer_get_ref(type)) == 16);
2274 }
2275
2276 static void check_conformance_expr_list(const char *attr_name, const var_t *arg, const type_t *container_type, expr_list_t *expr_list)
2277 {
2278 expr_t *dim;
2279 struct expr_loc expr_loc;
2280 expr_loc.v = arg;
2281 expr_loc.attr = attr_name;
2282 if (expr_list) LIST_FOR_EACH_ENTRY(dim, expr_list, expr_t, entry)
2283 {
2284 if (dim->type != EXPR_VOID)
2285 {
2286 const type_t *expr_type = expr_resolve_type(&expr_loc, container_type, dim);
2287 if (!is_allowed_conf_type(expr_type))
2288 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2289 attr_name);
2290 }
2291 }
2292 }
2293
2294 static void check_remoting_fields(const var_t *var, type_t *type);
2295
2296 /* checks that properties common to fields and arguments are consistent */
2297 static void check_field_common(const type_t *container_type,
2298 const char *container_name, const var_t *arg)
2299 {
2300 type_t *type = arg->type;
2301 int more_to_do;
2302 const char *container_type_name;
2303 const char *var_type;
2304
2305 switch (type_get_type(container_type))
2306 {
2307 case TYPE_STRUCT:
2308 container_type_name = "struct";
2309 var_type = "field";
2310 break;
2311 case TYPE_UNION:
2312 container_type_name = "union";
2313 var_type = "arm";
2314 break;
2315 case TYPE_ENCAPSULATED_UNION:
2316 container_type_name = "encapsulated union";
2317 var_type = "arm";
2318 break;
2319 case TYPE_FUNCTION:
2320 container_type_name = "function";
2321 var_type = "parameter";
2322 break;
2323 default:
2324 /* should be no other container types */
2325 assert(0);
2326 return;
2327 }
2328
2329 if (is_attr(arg->attrs, ATTR_LENGTHIS) &&
2330 (is_attr(arg->attrs, ATTR_STRING) || is_aliaschain_attr(arg->type, ATTR_STRING)))
2331 error_loc_info(&arg->loc_info,
2332 "string and length_is specified for argument %s are mutually exclusive attributes\n",
2333 arg->name);
2334
2335 if (is_attr(arg->attrs, ATTR_SIZEIS))
2336 {
2337 expr_list_t *size_is_exprs = get_attrp(arg->attrs, ATTR_SIZEIS);
2338 check_conformance_expr_list("size_is", arg, container_type, size_is_exprs);
2339 }
2340 if (is_attr(arg->attrs, ATTR_LENGTHIS))
2341 {
2342 expr_list_t *length_is_exprs = get_attrp(arg->attrs, ATTR_LENGTHIS);
2343 check_conformance_expr_list("length_is", arg, container_type, length_is_exprs);
2344 }
2345 if (is_attr(arg->attrs, ATTR_IIDIS))
2346 {
2347 struct expr_loc expr_loc;
2348 expr_t *expr = get_attrp(arg->attrs, ATTR_IIDIS);
2349 if (expr->type != EXPR_VOID)
2350 {
2351 const type_t *expr_type;
2352 expr_loc.v = arg;
2353 expr_loc.attr = "iid_is";
2354 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2355 if (!expr_type || !is_ptr_guid_type(expr_type))
2356 error_loc_info(&arg->loc_info, "expression must resolve to pointer to GUID type for attribute iid_is\n");
2357 }
2358 }
2359 if (is_attr(arg->attrs, ATTR_SWITCHIS))
2360 {
2361 struct expr_loc expr_loc;
2362 expr_t *expr = get_attrp(arg->attrs, ATTR_SWITCHIS);
2363 if (expr->type != EXPR_VOID)
2364 {
2365 const type_t *expr_type;
2366 expr_loc.v = arg;
2367 expr_loc.attr = "switch_is";
2368 expr_type = expr_resolve_type(&expr_loc, container_type, expr);
2369 if (!expr_type || !is_allowed_conf_type(expr_type))
2370 error_loc_info(&arg->loc_info, "expression must resolve to integral type <= 32bits for attribute %s\n",
2371 expr_loc.attr);
2372 }
2373 }
2374
2375 do
2376 {
2377 more_to_do = FALSE;
2378
2379 switch (typegen_detect_type(type, arg->attrs, TDT_IGNORE_STRINGS))
2380 {
2381 case TGT_STRUCT:
2382 case TGT_UNION:
2383 check_remoting_fields(arg, type);
2384 break;
2385 case TGT_INVALID:
2386 {
2387 const char *reason = "is invalid";
2388 switch (type_get_type(type))
2389 {
2390 case TYPE_VOID:
2391 reason = "cannot derive from void *";
2392 break;
2393 case TYPE_FUNCTION:
2394 reason = "cannot be a function pointer";
2395 break;
2396 case TYPE_BITFIELD:
2397 reason = "cannot be a bit-field";
2398 break;
2399 case TYPE_COCLASS:
2400 reason = "cannot be a class";
2401 break;
2402 case TYPE_INTERFACE:
2403 reason = "cannot be a non-pointer to an interface";
2404 break;
2405 case TYPE_MODULE:
2406 reason = "cannot be a module";
2407 break;
2408 default:
2409 break;
2410 }
2411 error_loc_info(&arg->loc_info, "%s \'%s\' of %s \'%s\' %s\n",
2412 var_type, arg->name, container_type_name, container_name, reason);
2413 break;
2414 }
2415 case TGT_CTXT_HANDLE:
2416 case TGT_CTXT_HANDLE_POINTER:
2417 if (type_get_type(container_type) != TYPE_FUNCTION)
2418 error_loc_info(&arg->loc_info,
2419 "%s \'%s\' of %s \'%s\' cannot be a context handle\n",
2420 var_type, arg->name, container_type_name,
2421 container_name);
2422 break;
2423 case TGT_STRING:
2424 {
2425 const type_t *t = type;
2426 while (is_ptr(t))
2427 t = type_pointer_get_ref(t);
2428 if (is_aliaschain_attr(t, ATTR_RANGE))
2429 warning_loc_info(&arg->loc_info, "%s: range not verified for a string of ranged types\n", arg->name);
2430 break;
2431 }
2432 case TGT_POINTER:
2433 type = type_pointer_get_ref(type);
2434 more_to_do = TRUE;
2435 break;
2436 case TGT_ARRAY:
2437 type = type_array_get_element(type);
2438 more_to_do = TRUE;
2439 break;
2440 case TGT_USER_TYPE:
2441 case TGT_IFACE_POINTER:
2442 case TGT_BASIC:
2443 case TGT_ENUM:
2444 case TGT_RANGE:
2445 /* nothing to do */
2446 break;
2447 }
2448 } while (more_to_do);
2449 }
2450
2451 static void check_remoting_fields(const var_t *var, type_t *type)
2452 {
2453 const var_t *field;
2454 const var_list_t *fields = NULL;
2455
2456 type = type_get_real_type(type);
2457
2458 if (type->checked)
2459 return;
2460
2461 type->checked = TRUE;
2462
2463 if (type_get_type(type) == TYPE_STRUCT)
2464 {
2465 if (type_is_complete(type))
2466 fields = type_struct_get_fields(type);
2467 else
2468 error_loc_info(&var->loc_info, "undefined type declaration %s\n", type->name);
2469 }
2470 else if (type_get_type(type) == TYPE_UNION || type_get_type(type) == TYPE_ENCAPSULATED_UNION)
2471 fields = type_union_get_cases(type);
2472
2473 if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry )
2474 if (field->type) check_field_common(type, type->name, field);
2475 }
2476
2477 /* checks that arguments for a function make sense for marshalling and unmarshalling */
2478 static void check_remoting_args(const var_t *func)
2479 {
2480 const char *funcname = func->name;
2481 const var_t *arg;
2482
2483 if (func->type->details.function->args) LIST_FOR_EACH_ENTRY( arg, func->type->details.function->args, const var_t, entry )
2484 {
2485 const type_t *type = arg->type;
2486
2487 /* check that [out] parameters have enough pointer levels */
2488 if (is_attr(arg->attrs, ATTR_OUT))
2489 {
2490 switch (typegen_detect_type(type, arg->attrs, TDT_ALL_TYPES))
2491 {
2492 case TGT_BASIC:
2493 case TGT_ENUM:
2494 case TGT_RANGE:
2495 case TGT_STRUCT:
2496 case TGT_UNION:
2497 case TGT_CTXT_HANDLE:
2498 case TGT_USER_TYPE:
2499 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' is not a pointer\n", arg->name, funcname);
2500 break;
2501 case TGT_IFACE_POINTER:
2502 error_loc_info(&arg->loc_info, "out interface pointer \'%s\' of function \'%s\' is not a double pointer\n", arg->name, funcname);
2503 break;
2504 case TGT_STRING:
2505 if (is_ptr(type) ||
2506 (is_array(type) &&
2507 (!type_array_has_conformance(type) ||
2508 type_array_get_conformance(type)->type == EXPR_VOID)))
2509 error_loc_info(&arg->loc_info, "out parameter \'%s\' of function \'%s\' cannot be an unsized string\n", arg->name, funcname);
2510 break;
2511 case TGT_INVALID:
2512 /* already error'd before we get here */
2513 case TGT_CTXT_HANDLE_POINTER:
2514 case TGT_POINTER:
2515 case TGT_ARRAY:
2516 /* OK */
2517 break;
2518 }
2519 }
2520
2521 check_field_common(func->type, funcname, arg);
2522 }
2523
2524 if (type_get_type(type_function_get_rettype(func->type)) != TYPE_VOID)
2525 {
2526 var_t var;
2527 var = *func;
2528 var.type = type_function_get_rettype(func->type);
2529 var.name = xstrdup("return value");
2530 check_field_common(func->type, funcname, &var);
2531 free(var.name);
2532 }
2533 }
2534
2535 static void add_explicit_handle_if_necessary(var_t *func)
2536 {
2537 const var_t* explicit_handle_var;
2538 const var_t* explicit_generic_handle_var = NULL;
2539 const var_t* context_handle_var = NULL;
2540
2541 /* check for a defined binding handle */
2542 explicit_handle_var = get_explicit_handle_var(func);
2543 if (!explicit_handle_var)
2544 {
2545 explicit_generic_handle_var = get_explicit_generic_handle_var(func);
2546 if (!explicit_generic_handle_var)
2547 {
2548 context_handle_var = get_context_handle_var(func);
2549 if (!context_handle_var)
2550 {
2551 /* no explicit handle specified so add
2552 * "[in] handle_t IDL_handle" as the first parameter to the
2553 * function */
2554 var_t *idl_handle = make_var(xstrdup("IDL_handle"));
2555 idl_handle->attrs = append_attr(NULL, make_attr(ATTR_IN));
2556 idl_handle->type = find_type_or_error("handle_t", 0);
2557 type_function_add_head_arg(func->type, idl_handle);
2558 }
2559 }
2560 }
2561 }
2562
2563 static void check_functions(const type_t *iface, int is_inside_library)
2564 {
2565 const statement_t *stmt;
2566 if (is_attr(iface->attrs, ATTR_EXPLICIT_HANDLE))
2567 {
2568 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2569 {
2570 var_t *func = stmt->u.var;
2571 add_explicit_handle_if_necessary(func);
2572 }
2573 }
2574 if (!is_inside_library && !is_attr(iface->attrs, ATTR_LOCAL))
2575 {
2576 STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) )
2577 {
2578 const var_t *func = stmt->u.var;
2579 if (!is_attr(func->attrs, ATTR_LOCAL))
2580 check_remoting_args(func);
2581 }
2582 }
2583 }
2584
2585 static void check_statements(const statement_list_t *stmts, int is_inside_library)
2586 {
2587 const statement_t *stmt;
2588
2589 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2590 {
2591 if (stmt->type == STMT_LIBRARY)
2592 check_statements(stmt->u.lib->stmts, TRUE);
2593 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE)
2594 check_functions(stmt->u.type, is_inside_library);
2595 }
2596 }
2597
2598 static void check_all_user_types(const statement_list_t *stmts)
2599 {
2600 const statement_t *stmt;
2601
2602 if (stmts) LIST_FOR_EACH_ENTRY(stmt, stmts, const statement_t, entry)
2603 {
2604 if (stmt->type == STMT_LIBRARY)
2605 check_all_user_types(stmt->u.lib->stmts);
2606 else if (stmt->type == STMT_TYPE && type_get_type(stmt->u.type) == TYPE_INTERFACE &&
2607 !is_local(stmt->u.type->attrs))
2608 {
2609 const statement_t *stmt_func;
2610 STATEMENTS_FOR_EACH_FUNC(stmt_func, type_iface_get_stmts(stmt->u.type)) {
2611 const var_t *func = stmt_func->u.var;
2612 check_for_additional_prototype_types(func->type->details.function->args);
2613 }
2614 }
2615 }
2616 }
2617
2618 int is_valid_uuid(const char *s)
2619 {
2620 int i;
2621
2622 for (i = 0; i < 36; ++i)
2623 if (i == 8 || i == 13 || i == 18 || i == 23)
2624 {
2625 if (s[i] != '-')
2626 return FALSE;
2627 }
2628 else
2629 if (!isxdigit(s[i]))
2630 return FALSE;
2631
2632 return s[i] == '\0';
2633 }
2634
2635 static statement_t *make_statement(enum statement_type type)
2636 {
2637 statement_t *stmt = xmalloc(sizeof(*stmt));
2638 stmt->type = type;
2639 return stmt;
2640 }
2641
2642 static statement_t *make_statement_type_decl(type_t *type)
2643 {
2644 statement_t *stmt = make_statement(STMT_TYPE);
2645 stmt->u.type = type;
2646 return stmt;
2647 }
2648
2649 static statement_t *make_statement_reference(type_t *type)
2650 {
2651 statement_t *stmt = make_statement(STMT_TYPEREF);
2652 stmt->u.type = type;
2653 return stmt;
2654 }
2655
2656 static statement_t *make_statement_declaration(var_t *var)
2657 {
2658 statement_t *stmt = make_statement(STMT_DECLARATION);
2659 stmt->u.var = var;
2660 if (var->stgclass == STG_EXTERN && var->eval)
2661 warning("'%s' initialised and declared extern\n", var->name);
2662 if (is_const_decl(var))
2663 {
2664 if (var->eval)
2665 reg_const(var);
2666 }
2667 else if (type_get_type(var->type) == TYPE_FUNCTION)
2668 check_function_attrs(var->name, var->attrs);
2669 else if (var->stgclass == STG_NONE || var->stgclass == STG_REGISTER)
2670 error_loc("instantiation of data is illegal\n");
2671 return stmt;
2672 }
2673
2674 static statement_t *make_statement_library(typelib_t *typelib)
2675 {
2676 statement_t *stmt = make_statement(STMT_LIBRARY);
2677 stmt->u.lib = typelib;
2678 return stmt;
2679 }
2680
2681 static statement_t *make_statement_cppquote(const char *str)
2682 {
2683 statement_t *stmt = make_statement(STMT_CPPQUOTE);
2684 stmt->u.str = str;
2685 return stmt;
2686 }
2687
2688 static statement_t *make_statement_importlib(const char *str)
2689 {
2690 statement_t *stmt = make_statement(STMT_IMPORTLIB);
2691 stmt->u.str = str;
2692 return stmt;
2693 }
2694
2695 static statement_t *make_statement_import(const char *str)
2696 {
2697 statement_t *stmt = make_statement(STMT_IMPORT);
2698 stmt->u.str = str;
2699 return stmt;
2700 }
2701
2702 static statement_t *make_statement_module(type_t *type)
2703 {
2704 statement_t *stmt = make_statement(STMT_MODULE);
2705 stmt->u.type = type;
2706 return stmt;
2707 }
2708
2709 static statement_t *make_statement_typedef(declarator_list_t *decls)
2710 {
2711 declarator_t *decl, *next;
2712 statement_t *stmt;
2713 type_list_t **type_list;
2714
2715 if (!decls) return NULL;
2716
2717 stmt = make_statement(STMT_TYPEDEF);
2718 stmt->u.type_list = NULL;
2719 type_list = &stmt->u.type_list;
2720
2721 LIST_FOR_EACH_ENTRY_SAFE( decl, next, decls, declarator_t, entry )
2722 {
2723 var_t *var = decl->var;
2724 type_t *type = find_type_or_error(var->name, 0);
2725 *type_list = xmalloc(sizeof(type_list_t));
2726 (*type_list)->type = type;
2727 (*type_list)->next = NULL;
2728
2729 type_list = &(*type_list)->next;
2730 free(decl);
2731 free(var);
2732 }
2733
2734 return stmt;
2735 }
2736
2737 static statement_list_t *append_statement(statement_list_t *list, statement_t *stmt)
2738 {
2739 if (!stmt) return list;
2740 if (!list)
2741 {
2742 list = xmalloc( sizeof(*list) );
2743 list_init( list );
2744 }
2745 list_add_tail( list, &stmt->entry );
2746 return list;
2747 }
2748
2749 void init_loc_info(loc_info_t *i)
2750 {
2751 i->input_name = input_name ? input_name : "stdin";
2752 i->line_number = line_number;
2753 i->near_text = parser_text;
2754 }
2755
2756 static void check_def(const type_t *t)
2757 {
2758 if (t->defined)
2759 error_loc("%s: redefinition error; original definition was at %s:%d\n",
2760 t->name, t->loc_info.input_name, t->loc_info.line_number);
2761 }
an attempt at megring old patches into wine